CN102771962A

CN102771962A - Planar pull head

Info

Publication number: CN102771962A
Application number: CN2012102699736A
Authority: CN
Inventors: 张田; 陈佰兴; 李鹏辉
Original assignee: Fujian SBS Zipper Science and Technology Co Ltd
Current assignee: Fujian Jinjiang xunxing zipper Technology Co. Ltd.
Priority date: 2012-07-30
Filing date: 2012-07-30
Publication date: 2012-11-14
Anticipated expiration: 2032-07-30
Also published as: CN102771962B

Abstract

The invention discloses a planar pull head which comprises a pull head body, an elastic piece and a pull piece; the pull head body is provided with an upper fin, a lower fin and a guide column; the elastic piece is provided with a central base part, a locking pawl which is arranged on the rear end of the central base part and a front end part which is arranged on the front end of the central base part; the pull piece is provided with a handle and an eccentric shaft, and the eccentric shaft can be arranged in a space formed by the central base part and the upper fin and is hidden by the central base part; the planar pull head is characterized in that the elastic piece also comprises a supporting pawl which is arranged on the front end of the central base part; a T-shaped sink is arranged on the upper fin, i.e. a horizontal groove and a vertical groove are arranged; the front end part is contained in the vertical groove of the T-shaped sink, so that the upper surface of the front end part is level with or lower than the surface of the upper fin; and the supporting pawl is inlaid into the horizontal groove and is collided with the groove wall of the horizontal groove. According to the planar pull head, the problems that wires are clamped, the hands of a user are injured, the elastic force of the elastic piece easily loses effect and the like in daily use can be solved, and the planar pull head has the advantages of simplicity in structure, convenience in processing and assembly and the like.

Description

A kind of plane pull head

Technical field

The present invention relates to self-locking pull head field, relate to a kind of plane pull head in particular, it can be avoided in daily use, blocking lines, scrape problems such as hand and the easy inefficacy of shell fragment elastic force, and also has characteristics such as simple in structure, that processing is easy to assembly.

Background technology

Japanese Utility Model is announced clear 54-43841 and is disclosed a kind of lock slide fastener pull head; It is conventional pull head in the market; It comprises pull head main body, shell fragment and pulling-on piece; This shell fragment has the central base portion of eccentric shaft on the hidden pulling-on piece, the lock pawl that is positioned at central base portion rear end and the fore-end of little width, the downwarping placed in the middle and being fixed on the front surface of pull head main body guide pillar from the rear end of central base portion of this fore-end.The relative both sides of the fore-end of this shell fragment central authorities base portion have a pair of shoulder; This shoulder meshes a pair of two strong points that protrude from pull head main body upper panel with pivotally supported mode; The rear end of the central base portion of this shell fragment has opening, and the edge of this opening can mesh with the engagement lug that is positioned on the upper panel.So; Effect through the eccentric shaft on the pulling-on piece; Make lock pawl on the shell fragment can respond pulling-on piece between horizontal attitude and upright posture rotation and mesh and throw off the slide fastener chain; Be that pulling-on piece can't drop the motion of pull head main body when horizontal attitude, when erectility, then can drop the motion of pull head main body.

But at least still there is following defective in above-mentioned conventional pull head in daily use:

One, two strong points owing to this pull head main body upper panel all are provided with outwardly, so in the daily life use, these two strong points block the situation of lines through regular meeting's existence, thereby can destroy clothing; Pull slide fastener and during at washing clothes, also can there be the hidden danger of scraping hand in these two strong points people in addition, brought bigger inconvenience for people's life;

Two, it is to the location of this shell fragment; Specifically comprise through the front surface of fore-end and guide pillar fix, conflict between a pair of shoulder through central base portion and two strong points and realize through the opening of central base portion rear end and the engagement between the upper panel engagement lug; So can know that this shell fragment major part remains the top that is in upper panel; So in pull head washing, aftertreatment technology process, occur blocking barrel phenomenon of wall aperture easily, so can reduce the elastic force of shell fragment owing to the mutual bump between the product.

In view of this, the inventor has this case to produce to the above-mentioned defective further investigation of self-locking pull head in the prior art then.

Summary of the invention

The object of the present invention is to provide a kind of plane pull head, exist and block lines, scrape hand and owing to clash into the problem that reduces shell fragment elastic force between the product each other to solve in the prior art self-locking pull head.

In order to reach above-mentioned purpose, solution of the present invention is:

A kind of plane pull head; Comprise pull head body, shell fragment and pulling-on piece; The guide pillar that this pull head body has upper panel, lower panel and connects upper panel and lower panel; The perforation that is formed with the engagement lug on this upper panel and runs through these upper panel two surfaces, this shell fragment has central base portion, is positioned at the lock pawl of central base portion rear end and the fore-end that is positioned at central base portion front end, also has opening between this central authorities' base portion and the lock pawl; This lock pawl passes the perforation of this upper panel and can slide fastener be locked, and the edge of this opening is meshed with the engagement lug; This pulling-on piece has handle portion and eccentric shaft, and this eccentric shaft can be arranged in the space of central base portion and upper panel and hidden by central base portion; Wherein, This shell fragment also comprises the support claw that is formed on central base portion front end; Also be formed with T shape deep gouge on this upper panel; Promptly comprise level trough and vertical slots, this fore-end is installed with in the vertical slots of T shape deep gouge and makes the upper surface of fore-end concordant or be lower than the surface of upper panel, and this support claw is embedded in the level trough and is inconsistent with the cell wall of level trough.

Further, this support claw comprises that branch is located at first corpus unguis and second corpus unguis of shell fragment fore-end both sides, and this first corpus unguis and second corpus unguis all can be installed with also all can be inconsistent with the cell wall of level trough in level trough.

Further, the width of vertical slots and the width of fore-end are complementary in this T shape deep gouge.

Further, this upper panel is at the also outstanding reinforcement that is formed with of rear side of T shape deep gouge.

After adopting said structure, a kind of plane pull head that the present invention relates to, it passes through on upper panel, to form T shape deep gouge, and makes the fore-end of shell fragment can be installed with in the vertical slots of T shape deep gouge, and makes the cell wall of level trough in this support claw and the T shape deep gouge inconsistent.So, the present invention compared with prior art has following beneficial effect at least:

One, this shell fragment is in the location of pull head fore-and-aft direction; Be to realize through the conflict between the cell wall of this support claw and level trough; Because this support claw is toward upper panel; Be state inwardly, so can reduce the inconvenience of blocking creases in the daily life use, also having eliminated drawing slide fastener process simultaneously has the generation of scraping the hand phenomenon;

Two, the fore-end owing to this shell fragment can be installed with in T shape deep gouge; And the upper surface of this fore-end is concordant or be lower than the surface of upper panel; So this fore-end can sink under the upper panel plane; So when carrying out processes such as pull head washing, aftertreatment technology, can not have influence on the elastic force of shell fragment, thereby guarantee that whole pull head has preferable quality;

Three, in assembling process, owing to can this fore-end be positioned in this T shape deep gouge, so also have characteristics easy to assembly fast.

Description of drawings

Fig. 1 is the combination sketch map that the present invention relates to the pull head preferred embodiment of a kind of plane;

Fig. 2 is the front view that the present invention relates to the pull head preferred embodiment of a kind of plane;

Fig. 3 is the side view that the present invention relates to the pull head preferred embodiment of a kind of plane;

Fig. 4 is the combination sketch map that the present invention relates to a kind of another angle of plane pull head preferred embodiment;

Fig. 5 is the three-dimensional exploded view that the present invention relates to a kind of plane pull head.

Among the figure:

Plane pull head 100

Pull head body 1 upper panel 11

Reinforcement 111 lower panels 12

Guide pillar 13 engagement lugs 14

The 15 T shape deep gouges 16 of boring a hole

Level trough 161 vertical slots 162

Shell fragment 2 central base portions 21

First corpus unguis, 211 second corpus unguis 212

Lock pawl 22 fore-ends 23

Opening 24 pulling-on pieces 3

Handle portion 31 eccentric shafts 32

The specific embodiment

In order further to explain technical scheme of the present invention, come the present invention is set forth in detail through specific embodiment below.

Extremely shown in Figure 5 like Fig. 1, a kind of plane pull head 100 that the present invention relates to, it comprises pull head body 1, shell fragment 2 and pulling-on piece 3, wherein:

The guide pillar 13 that this pull head body 1 has upper panel 11, lower panel 12 and connects upper panel 11 and lower panel 12; Be formed with engagement lug 14 on this upper panel 11 and bore a hole 15; This perforation 15 runs through two surfaces of this upper panel 11; Also be formed with T shape deep gouge 16 on this upper panel 11, promptly comprise level trough 161 and vertical slots 162.

This shell fragment 2 has central base portion 21, lock pawl 22 and fore-end 23; This lock pawl 22 is positioned at the rear end of central base portion 21; This fore-end 23 is positioned at the front end of central base portion 21; Also have opening 24 between this central authorities' base portion 21 and the lock pawl 22, this lock pawl 22 passes the perforation 15 of this upper panel 11 and can slide fastener be locked, and the edge of this opening 24 then can be meshed with engagement lug 14; This fore-end 23 is installed with in the vertical slots 162 of T shape deep gouge 16 in the part on the upper panel 11, and makes the upper surface of fore-end 23 concordant or be lower than the surface of upper panel 11; The width of vertical slots 162 and the width of fore-end 23 are complementary in this T shape deep gouge 16, and promptly this fore-end 23 just can be full of the vertical slots 162 of this T shape deep gouge 16; The front end of this central authorities' base portion 21 also is provided with support claw, and this support claw is embedded in the level trough 161 and is inconsistent with the cell wall of level trough 161.Preferably; In the present embodiment; This support claw comprises that branch is located at first corpus unguis 211 and second corpus unguis 212 of shell fragment 2 fore-ends 23 both sides, and this first corpus unguis 211 and second corpus unguis 212 all can be installed with also all can be inconsistent with the cell wall of level trough 161 in level trough 161, so through conflicting between first corpus unguis 211 and second corpus unguis 212 and the level trough 161; Thereby make whole shell fragment 2 can be located exactly, any left and right sides deflection promptly can not take place at fore-and-aft direction.

This pulling-on piece 3 has handle portion 31 and eccentric shaft 32, and this handle portion 31 supplies people to grip and pull, and 32 of this eccentric shafts can be arranged in the space of central base portion 21 and upper panel 11 and hidden by central base portion 21; When this pulling-on piece 3 is in horizontal attitude; This lock pawl 22 can be conflicted with the slide fastener chain and the pull head main body can't be dropped; When this pulling-on piece 3 was in vertical attitude, this shell fragment 2 can and make lock pawl 22 separate with the slide fastener chain by pulling-on piece 3 drives, thereby the pull head main body can be dropped.

So, the present invention compared with prior art, it is when realizing the location of this shell fragment 2 on the pull head fore-and-aft direction; Be to realize through the conflict between the cell wall of this support claw and level trough 161; Promptly replaced traditional mode that two strong points are set on upper panel 11, because this support claw toward upper panel 11, is state inwardly; So can reduce the inconvenience of blocking creases in the daily life use, that has also eliminated drawing slide fastener process simultaneously scrapes the hand phenomenon.

Then; Because the fore-end 23 of this shell fragment 2 can be installed with in T shape deep gouge 16, and the upper surface of this fore-end 23 is concordant or be lower than the surface of upper panel 11, so this fore-end 23 can sink under upper panel 11 planes; So when carrying out processes such as pull head washing, aftertreatment technology; This T shape deep gouge 16 can prevent that shell fragment 2 from contacting with extraneous, thereby in said process, can not have influence on the elastic force of shell fragment 2, thereby guarantees that whole pull head has preferable quality; In addition, in the assembling process of whole plane pull head 100, owing to can this fore-end 23 be positioned in this T shape deep gouge 16, so also have characteristics easy to assembly fast.

See also Fig. 3 and shown in Figure 4, in order to ensure the structural strength of upper panel 11 at T shape deep gouge 16 places, this upper panel 11 is at the also outstanding reinforcement 111 that is formed with of rear side of T shape deep gouge 16.

The foregoing description and graphic and non-limiting product form of the present invention and style, the those of ordinary skill of any affiliated technical field all should be regarded as not breaking away from patent category of the present invention to its suitable variation or modification of doing.

Claims

1. plane pull head; Comprise pull head body, shell fragment and pulling-on piece; The guide pillar that this pull head body has upper panel, lower panel and connects upper panel and lower panel; The perforation that is formed with the engagement lug on this upper panel and runs through these upper panel two surfaces, this shell fragment has central base portion, is positioned at the lock pawl of central base portion rear end and the fore-end that is positioned at central base portion front end, also has opening between this central authorities' base portion and the lock pawl; This lock pawl passes the perforation of this upper panel and can slide fastener be locked, and the edge of this opening is meshed with the engagement lug; This pulling-on piece has handle portion and eccentric shaft, and this eccentric shaft can be arranged in the space of central base portion and upper panel and hidden by central base portion; It is characterized in that; This shell fragment also comprises the support claw that is formed on central base portion front end; Also be formed with T shape deep gouge on this upper panel; Promptly comprise level trough and vertical slots, this fore-end is installed with in the vertical slots of T shape deep gouge and makes the upper surface of fore-end concordant or be lower than the surface of upper panel, and this support claw is embedded in the level trough and is inconsistent with the cell wall of level trough.

2. a kind of plane as claimed in claim 1 pull head; It is characterized in that; This support claw comprises that branch is located at first corpus unguis and second corpus unguis of shell fragment fore-end both sides, and this first corpus unguis and second corpus unguis all can be installed with also all can be inconsistent with the cell wall of level trough in level trough.

3. a kind of plane as claimed in claim 1 pull head is characterized in that, the width of vertical slots and the width of fore-end are complementary in this T shape deep gouge.

4. a kind of plane as claimed in claim 1 pull head is characterized in that, this upper panel is at the also outstanding reinforcement that is formed with of rear side of T shape deep gouge.