CN203913669U - A kind of tensile force type self-locked draught part - Google Patents
A kind of tensile force type self-locked draught part Download PDFInfo
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- CN203913669U CN203913669U CN201420205241.5U CN201420205241U CN203913669U CN 203913669 U CN203913669 U CN 203913669U CN 201420205241 U CN201420205241 U CN 201420205241U CN 203913669 U CN203913669 U CN 203913669U
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- pull head
- head body
- guide pin
- self
- pin bushing
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- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a kind of tensile force type self-locked draught part, comprises a pull head body; The self-locking mechanism that also comprises a connection pull head body; Described self-locking mechanism comprises a guide pin bushing, is connected on pull head body, and guide pin bushing and the corresponding thimble pilot hole communicating that is provided with on pull head body; One thimble, the thimble pilot hole through guide pin bushing and pull head body, carries out self-locking to snap between two adjacent chain teeth, or leaves chain tooth and carry out release; One spring, supports between guide pin bushing and thimble.This pull head intention without pulling-on piece structure, not only saved the assembling procedure of pull head and pulling-on piece, also further strengthened self-lock ability and the locating effect of pull head.Described guide pin bushing is spirally connected, tight fit or be bonded on pull head body, and pull head dismounting is simple and easy.
Description
Technical field
The utility model relates to a kind of slide fastener, especially refers to a kind of pull head with auto-lock function.
Background technology
At present, in our the daily slide fastener touching, the auto-lock function of lock zipper head is all that the combining structure that adopts cap to add horse hook completes.On pull head, all with pulling-on piece, by action pulling-on piece, carry out release and pull pull head.Relevant product can be referring to Chinese patent literature in the disclosed CN201210132997.7 of 2013.01.02 " self-locked draught part " and the disclosed CN201220193648.1 of 2012.12.12 " self-locked draught part ".The pull head that above-mentioned employing cap adds the self-locking that combining structure that horse hooks completes all exists self-lock force inadequate, the problem that locating effect is undesirable.
Utility model content
The problem existing for prior art, the utility model provides a kind of dismounting easy tensile force type self-locked draught part.This pull head intention without pulling-on piece structure, not only saved the assembling procedure of pull head and pulling-on piece, also further strengthened self-lock ability and the locating effect of pull head.
For achieving the above object, technical solutions of the utility model are:
A tensile force type self-locked draught part, comprises a pull head body; The self-locking mechanism that also comprises a connection pull head body; Described self-locking mechanism comprises a guide pin bushing, is connected on pull head body, and guide pin bushing and the corresponding thimble pilot hole communicating that is provided with on pull head body; One thimble, the thimble pilot hole through guide pin bushing and pull head body, carries out self-locking to snap between two adjacent chain teeth, or leaves chain tooth and carry out release; One spring, supports between guide pin bushing and thimble.
Foregoing a kind of tensile force type self-locked draught part, guide pin bushing is spirally connected, tight fit or be bonded on pull head body.
The usefulness of technique scheme is:
The combining structure that the cap that the self-locking structure of the utility model pull head adopts from prior art adds horse hook is completely different, another kind of simple and original thimble and the combining structure of spring, because the reset response of spring and elastic force, strengthened the self-lock force of pull head, and the locating effect of pull head in drawing process.Pull head of the prior art is all with pulling-on piece, and pulling-on piece is hung on pull head, and the utility model does not need to get final product release with pulling-on piece, pull pull head, thimble, under the effect of spring, can be realized thimble pull-up release and reset auto-lock function, the assembling procedure that has saved pull head and pulling-on piece, reduces production costs.The utility model self-locking mechanism adopts and to be threaded, tight fit or bonding way are directly connected on pull head body, and dismounting is very simple and easy.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the perspective view of the utility model self-locked draught part;
Fig. 2 is the perspective view of this practical self-locking mechanism decomposing state;
Fig. 3 is the perspective view of the utility model self-locking mechanism assembled state;
Fig. 4 is the sectional structure schematic diagram of the utility model self-locking mechanism assembled state.
The specific embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, clear, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
A kind of tensile force type self-locked draught part as shown in Figure 1, this self-locked draught part comprises a pull head body 10, also has a self-locking mechanism being connected on this pull head body 10.Described self-locking mechanism comprises a guide pin bushing 20, a thimble 30 and a spring 40.
As in Figure 2-4, described guide pin bushing 20 is a ducted body.The top of this guide pin bushing 20 is fixedly installed a cover plate 21, and this cover plate 21 is provided with through hole on thimble.In the below of this cover plate 21, form a spring accommodating cavity 22, after vacant chamber 22 necking downs of this spring, form the pull head installation cavity 23 of a connection pull head body 10.
As shown in Figure 4, pull head body 10 top end faces convex with the erection column 11 of a connection guide pin bushing 20, and this erection column 11 is provided with thimble lower through-hole.This erection column 11 can be a double-screw bolt, at pull head installation cavity 23 inwalls, establish screw thread and form the screw mate with this double-screw bolt, as shown in Figure 4, with by guide pin bushing 20 screw locks on pull head body 10.Or this erection column 11 also can be a light beam, this light beam just directly tight fit (tightly snapping in) in pull head installation cavity 23, or light beam is bonded in pull head installation cavity 23, so that guide pin bushing 20 is fixed on pull head body 10.Adopt above-mentioned be threaded, tight fit or any bonding mode be connected to guide pin bushing 20 on pull head body 10, destructing is installed all very simple and convenient.
Guide pin bushing 20 of the present utility model and the corresponding thimble pilot hole communicating that is provided with on pull head body 10.Specifically, through hole on described thimble, spring accommodating cavity 22, pull head are installed cavity 23 and thimble lower through-hole sequentially communicates and in same vertical center axis setting, to form the thimble pilot hole of thimble 30 guiding pull head body 10 inside.
Described thimble 30 through hole from the thimble of guide pin bushing cover plate 21 passes, the thimble lower through-hole of cavity 23 and pull head body erection column 11 is sequentially installed through spring accommodating cavity 22, pull head, namely through thimble pilot hole, until snap between two adjacent chain tooth (not shown)s in pull head body 10, carry out self-locking, to realize the location on chain tooth by pull head body 10; Or leave chain tooth and carry out release, with realize pull head body 10 relatively chain tooth be free to slide.
One end of the utility model thimble 20 is tip 31, for snapping in two adjacent chain teeth of pull head body 10; The other end extends cover plate 21 and forms round, forms the draw ring 32 that is suitable for pulling, and can be used as pulling-on piece and uses.The middle part of thimble 30, the position that is namely placed in spring accommodating cavity 22 forms a spring stopper 33.
Described spring 40, supports between guide pin bushing 20 and thimble 30.Specifically, this spring 40 is to support between the cover plate 21 of guide pin bushing 20 and the spring stopper 33 of thimble 30.Thimble 30, under the effect of spring 40, can be realized pull-up release and the reset auto-lock function of thimble 30.
Above-mentioned explanation illustrates and has described preferred embodiment of the present utility model, as previously mentioned, be to be understood that the utility model is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can, in utility model contemplated scope described herein, by technology or the knowledge of above-mentioned instruction or association area, change.And the change that those skilled in the art carry out and variation do not depart from spirit and scope of the present utility model, all should be in the protection domain of the utility model claims.
Claims (2)
1. a tensile force type self-locked draught part, comprises a pull head body; It is characterized in that: the self-locking mechanism that also comprises a connection pull head body; Described self-locking mechanism comprises:
One guide pin bushing, is connected on pull head body, and guide pin bushing and the corresponding thimble pilot hole communicating that is provided with on pull head body;
One thimble, the thimble pilot hole through guide pin bushing and pull head body, carries out self-locking to snap between two adjacent chain teeth, or leaves chain tooth and carry out release;
One spring, supports between guide pin bushing and thimble.
2. a kind of tensile force type self-locked draught part as claimed in claim 1, is characterized in that: described guide pin bushing is spirally connected, tight fit or be bonded on pull head body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205241.5U CN203913669U (en) | 2014-04-25 | 2014-04-25 | A kind of tensile force type self-locked draught part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205241.5U CN203913669U (en) | 2014-04-25 | 2014-04-25 | A kind of tensile force type self-locked draught part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203913669U true CN203913669U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420205241.5U Expired - Lifetime CN203913669U (en) | 2014-04-25 | 2014-04-25 | A kind of tensile force type self-locked draught part |
Country Status (1)
| Country | Link |
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| CN (1) | CN203913669U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157030A (en) * | 2017-06-16 | 2017-09-15 | 福建浔兴拉链科技股份有限公司 | Push type self-locking pull head |
| CN108618273A (en) * | 2018-07-13 | 2018-10-09 | 浙江伟星实业发展股份有限公司 | A kind of slider of zipper fastener and slide fastener |
| CN110179215A (en) * | 2019-07-10 | 2019-08-30 | 刘战军 | A kind of zipper with anti-theft function |
-
2014
- 2014-04-25 CN CN201420205241.5U patent/CN203913669U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157030A (en) * | 2017-06-16 | 2017-09-15 | 福建浔兴拉链科技股份有限公司 | Push type self-locking pull head |
| CN108618273A (en) * | 2018-07-13 | 2018-10-09 | 浙江伟星实业发展股份有限公司 | A kind of slider of zipper fastener and slide fastener |
| CN108618273B (en) * | 2018-07-13 | 2024-05-28 | 浙江伟星实业发展股份有限公司 | Slider and zipper |
| CN110179215A (en) * | 2019-07-10 | 2019-08-30 | 刘战军 | A kind of zipper with anti-theft function |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |
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| CX01 | Expiry of patent term |