CN203986438U - A kind of push type self-locking pull head - Google Patents
A kind of push type self-locking pull head Download PDFInfo
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- CN203986438U CN203986438U CN201420205204.4U CN201420205204U CN203986438U CN 203986438 U CN203986438 U CN 203986438U CN 201420205204 U CN201420205204 U CN 201420205204U CN 203986438 U CN203986438 U CN 203986438U
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- gathering sill
- pull head
- sill position
- broached
- guide pillar
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Abstract
A kind of push type self-locking pull head, comprise: pull head body, described pull head body is provided with through hole, self-locking thimble extend in through hole, and end coordinates with chain tooth through through hole, and back-moving spring contact is located on the block of thimble and the spacing table top of through hole, described thimble is driven along through hole and is moved up and down and pin with chain tooth or throw off by push type self-locking device, simple in structure, easy to operate, there will not be stuck phenomenon.
Description
Technical field
The utility model relates to a kind of self-locked draught part, concrete relevant with a kind of push type self-locking pull head.
Background technology
Pull head uses extensively in daily life, generally uses simple mechanical type pull head on market.Now also there are on the market some pull heads with self-locking structure, if State Intellectual Property Office's application number is 201210132997.7, name is called " self-locked draught part ", it adopts mechanical braking weight hanger to coordinate the structure of spring leaf, this employing is similar to the mechanical type articulated structure of lever principle, cause its action underaction, and easily there is " stuck " phenomenon in the structure of braking clamp hook-type.
Utility model content
The purpose of this utility model is to solve the problem of prior art, and a kind of a kind of push type self-locking pull head simple in structure, easy to operate is provided.
For reaching above-mentioned purpose, the utility model adopts following technical scheme:
A kind of push type self-locking pull head, comprise: pull head body, described pull head body is provided with through hole, self-locking thimble extend in through hole, end coordinates with chain tooth through through hole, back-moving spring contact is located on the block of thimble and the spacing table top of through hole, and described thimble is driven along through hole and moved up and down and pin with chain tooth or throw off by push type self-locking device.
Further, the self-locking device of described push type comprises the rotation fixture, actuator, the cap switch piece that cooperatively interact and coaxially arrange, described pull head body is provided with projection, through hole is arranged in the middle of projection, cap switch piece is sheathed and be fixed on described projection, and rotation fixture lower end is provided with a storage tank and inserts and moved up and down by its drive for the upper end of thimble.
Further, described rotation fixture is a column structure, lower end coordinates drive thimble to move up and down with described thimble, upper end forms a lead, lead outer rim is provided with the first broached-tooth design lower than the position of lead end face, the surface of each the first broached-tooth design forms the first wedge surface, and rotation fixture outer most edge is provided with one group of guide pillar along circumference equal dividing, actuator is a column structure, lower end forms groove and plants for described lead, and lower end and described the first broached-tooth design cooperation position are provided with the second broached-tooth design, each the second broached-tooth design surface forms the second wedge surface and coordinates with the first described wedge surface, ensure that actuator driven rotary fixture rotates along fixed angle, actuator outer rim is separately interval with one group of guide pad, and guide pad upper surface forms the 3rd wedge surface, and the top of actuator forms pressing lever, cap switch piece is the barrel-shaped structure being fixed on pull head body, it is located at described thimble, outside rotation fixture and actuator, stretch out for described pressing lever in formation hole, top, cap switch piece inner chamber interval form two groups from the described gathering sill position that guide pillar quantity is corresponding and internal diameter is different, be respectively the first gathering sill position and the second gathering sill position, the first described lower surface, gathering sill position forms the 4th wedge surface, the second lower surface, gathering sill position forms the 5th wedge surface, the quantity of the first gathering sill position and internal diameter and guide pillar quantity and external diameter adapt and ensure that guide pillar moves up and down in the first gathering sill position, the internal diameter that the internal diameter of the second gathering sill position is less than the first gathering sill position ensures that rotation fixture rotates guide pillar upper end when fixed angle and is fastened on the 5th wedge surface of lower end of the second gathering sill position and locates.
Further, the first described broached-tooth design is six, be distributed on described rotation fixture (periphery, the second corresponding broached-tooth design is six and coordinates one by one while rotating with the first broached-tooth design, described guide pillar is three, be distributed on described rotation fixture outer most edge, described guide pad be six with described two broached-tooth designs corresponding setting one by one, the first described gathering sill position is three, coordinate one by one with described guide pillar and ensure that guide pillar moves up and down in its groove position, the second described gathering sill position is three, arrange and ensure that guide pillar its upper surface in the time turning over the first gathering sill position is fastened on the location, lower surface of the second gathering sill position with the first described gathering sill bit interval.
Technical scheme described in the utility model is with respect to prior art, use for reference the switching mechanism structure of automatic ball-pen, self-locking structure by such mechanism for automatically switching for pull head, when action, press pressing lever, make to rotate fixture and rotate an angle, ensure that guide pillar is arranged with the end face location of the second gathering sill position, now, thimble presses down to extend in chain tooth and forms self-locking, as need release, press again pressing lever one time, make to rotate fixture and rotate again an angle, guide pillar is dropped in the first gathering sill position, because the internal diameter of the first gathering sill position is slightly larger than guide pillar, guide pillar can move up along the first gathering sill position, thimble is pushed up back in ejection by back-moving spring, slide fastener can be moved correct position automatically to, the structure of this push type, simple to operate, and because thimble moves up and down, there will not be stuck phenomenon.
Brief description of the drawings
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 utility model structural representation one;
Fig. 2 is the utility model structural representation two;
Fig. 3 is the utility model combination generalized section;
Fig. 4 is the utility model rotation fixture schematic diagram one;
Fig. 5 is the utility model rotation fixture schematic diagram two;
Fig. 6 is the utility model rotation fixture schematic diagram three;
Fig. 7 is the utility model actuator schematic diagram one;
Fig. 8 is the utility model actuator schematic diagram two;
Fig. 9 is the utility model actuator schematic diagram three;
Figure 10 is the utility model cap switch piece schematic diagram one;
Figure 11 is the utility model cap switch piece schematic diagram two;
Figure 12 is the utility model cap switch piece schematic diagram three;
Figure 13 is the utility model thimble schematic diagram;
Figure 14 be the utility model pull head body schematic diagram three;
Figure 15 is the utility model push type self-locking device decomposing schematic representation;
Figure 16 is the utility model push type self-locking device combination schematic diagram.
Detailed description of the invention
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.
As shown in Fig. 1-Figure 16, a kind of push type self-locking pull head, comprise: pull head body, it is characterized in that: described pull head body is provided with projection 12, through hole 11 is arranged in the middle of projection 12, and self-locking thimble 2 extend in through hole 11, and end coordinates with chain tooth through through hole 11, back-moving spring 3 contacts are located on the block of thimble 2 and the spacing table top of through hole 11, and described thimble is driven along through hole 11 and moved up and down and pin with chain tooth or throw off by push type self-locking device 4.The self-locking device 4 of described push type comprises the rotation fixture 41, actuator 42, the cap switch piece 43 that cooperatively interact and coaxially arrange, cap switch piece 43 is sheathed and be fixed on described projection 12, and rotation fixture 41 lower ends are provided with a storage tank 415 and insert and moved up and down by its drive for the upper end of thimbles 2.
The self-locking device 4 of described push type of the present utility model adopts the pressing structure that is similar to automatic ball-pen, specifically describe as follows: rotation fixture 41 is a column structure, lower end coordinates drive thimble 2 to move up and down with described thimble 2, upper end forms a lead 411, lead 411 outer rims are provided with the first broached-tooth design 412 lower than the position of lead 411 end faces, the surface of each the first broached-tooth design 412 forms the first wedge surface 413, and rotation fixture 41 outer most edge are provided with one group of guide pillar 414 along circumference equal dividing, actuator 42 is a column structure, lower end forms groove 421 and plants for described lead 411, and lower end and described the first broached-tooth design 412 cooperation positions are provided with the second broached-tooth design 422, each the second broached-tooth design 422 surfaces form the second wedge surface 423 and coordinate with the first described wedge surface 413, ensure that actuator 42 driven rotary fixtures 41 rotate along fixed angle, actuator 42 outer rims are separately interval with one group of guide pad 424, guide pad 424 upper surfaces form the 3rd wedge surface 425, and the top of actuator 42 forms pressing lever 426, cap switch piece 43 is for being fixed on the barrel-shaped structure on pull head body 1, it is located at described thimble 2, outside rotation fixture 41 and actuator 42, stretch out for described pressing lever 426 in formation hole, top 431, cap switch piece 43 inner chamber intervals form two groups from the described gathering sill position that guide pillar 414 quantity are corresponding and internal diameter is different, be respectively the first gathering sill position 432 and the second gathering sill position 433, described 432 lower surfaces, the first gathering sill position form the 4th wedge surface 434, the second 433 lower surfaces, gathering sill position forms the 5th wedge surface 435, the quantity of the first gathering sill position 432 and internal diameter and guide pillar 414 quantity and external diameter adapt and ensure that guide pillar 414 moves up and down in the first gathering sill position 432, the internal diameter that the internal diameter of the second gathering sill position 433 is less than the first gathering sill position 432 ensures that rotation fixture 41 is fastened on location on the 5th wedge surface 435 of lower end of the second gathering sill position 433 in guide pillar 414 upper ends while rotating fixed angle.
In practical structures, the first described broached-tooth design 412 is six or other even number, be distributed on described rotation fixture 41 peripheries, the second corresponding broached-tooth design 422 is six and coordinates one by one while rotating with the first broached-tooth design 412, described guide pillar 414 is three, be distributed on described rotation fixture 41 outer most edge, described guide pad 424 be six with described two broached-tooth designs 422 corresponding setting one by one, the first described gathering sill position 432 is three, coordinate one by one with described guide pillar 414 and ensure that guide pillar (414) moves up and down in its groove position, the second described gathering sill position 433 is three, arrange and ensure that guide pillar its upper surface in the time turning over the first gathering sill position 432 is fastened on the location, lower surface of the second gathering sill position 433 with described 432 intervals, the first gathering sill position.
Wedge surface structure in said structure is all in order to ensure to rotate fixture smooth transition in the time rotating, when action, in the time pressing pressing lever, actuator driven rotary fixture rotates an angle (60 degree) along described wedge surface, guide pillar upper surface on rotation fixture rests on the 5th wedge surface of the second lower end, gathering sill position, thimble is pressed down through through hole to be snapped in chain tooth and locates, Zipper self-locking cannot pull, again press pressing lever, actuator driven rotary fixture rotates an angle (60 degree) again along described wedge surface, when on guide pillar on rotation fixture, rotation is to the first gathering sill position, guide pillar can move up and down in the first gathering sill position, now by action of reset spring, thimble and rotation fixture are by jack-up, make thimble depart from chain tooth and realize release, slide fastener can pull voluntarily, so cycling, ensure guide pillar alternate position in the first gathering sill position and the second gathering sill position, realize press down and bounce back realization locking and the release of thimble.
The utility model is simple in structure, easy to operate, and the structure of the push type of similar propelling pencil or ball pen can not cause stuck phenomenon to occur.
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, amendment and environment, and can, in utility model contemplated scope described herein, change by technology or the knowledge of above-mentioned instruction or association area.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 (4)
1. a push type self-locking pull head, comprise: pull head body, it is characterized in that: described pull head body (1) is provided with through hole (11), self-locking thimble (2) extend in through hole (11), end coordinates with chain tooth through through hole (11), back-moving spring (3) contact is located on the block of thimble (2) and the spacing table top of through hole (11), and described thimble is driven along through hole (11) and moved up and down and pin with chain tooth or throw off by push type self-locking device (4).
2. a kind of push type self-locking pull head as claimed in claim 1, it is characterized in that: the self-locking device (4) of described push type comprises the rotation fixture (41) that cooperatively interacts and coaxially arrange, actuator (42), cap switch piece (43), described pull head body (1) is provided with projection (12), through hole (11) is arranged in the middle of projection (12), cap switch piece (43) is sheathed and be fixed on described projection (12), rotation fixture (41) lower end is provided with a storage tank (415) and inserts and moved up and down by its drive for the upper end of thimble (2).
3. a kind of push type self-locking pull head as claimed in claim 2, it is characterized in that: described rotation fixture (41) is a column structure, lower end coordinates drive thimble (2) to move up and down with described thimble (2), upper end forms a lead (411), lead (411) outer rim is provided with the first broached-tooth design (412) lower than the position of lead (411) end face, the surface of each the first broached-tooth design (412) forms the first wedge surface (413), rotation fixture (41) outer most edge is provided with one group of guide pillar (414) along circumference equal dividing, actuator (42) is a column structure, lower end forms groove (421) and plants for described lead (411), and lower end and described the first broached-tooth design (412) cooperation position are provided with the second broached-tooth design (422), each the second broached-tooth design (422) surface forms the second wedge surface (423) and coordinates with described the first wedge surface (413), ensure that actuator (42) driven rotary fixture (41) rotates along fixed angle, actuator (42) outer rim is separately interval with one group of guide pad (424), guide pad (424) upper surface forms the 3rd wedge surface (425), the top of actuator (42) forms pressing lever (426), cap switch piece (43) is for being fixed on the barrel-shaped structure on pull head body (1), it is located at described thimble (2), outside rotation fixture (41) and actuator (42), stretch out for described pressing lever (426) in formation hole, top (431), cap switch piece (43) inner chamber interval form two groups from the described gathering sill position that guide pillar (414) quantity is corresponding and internal diameter is different, be respectively the first gathering sill position (432) and the second gathering sill position (433), the first described lower surface, gathering sill position (432) forms the 4th wedge surface (434), the second lower surface, gathering sill position (433) forms the 5th wedge surface (435), the quantity of the first gathering sill position (432) and internal diameter and guide pillar (414) quantity and external diameter adapt and ensure that guide pillar (414) moves up and down in the first gathering sill position (432), the internal diameter that the internal diameter of the second gathering sill position (433) is less than the first gathering sill position (432) ensures that rotation fixture (41) rotates guide pillar (414) upper end when fixed angle and be fastened on the upper location of the 5th wedge surface (435) of the lower end of the second gathering sill position (433).
4. a kind of push type self-locking pull head as claimed in claim 3, it is characterized in that: described the first broached-tooth design (412) is six, be distributed on described rotation fixture (41) periphery, corresponding the second broached-tooth design (422) is six and coordinates one by one while rotating with the first broached-tooth design (412), described guide pillar (414) is three, be distributed on described rotation fixture (41) outer most edge, described guide pad (424) be six with described two broached-tooth designs (422) corresponding setting one by one, the first described gathering sill position (432) is three, coordinate one by one with described guide pillar (414) and ensure that guide pillar (414) moves up and down in its groove position, the second described gathering sill position (433) is three, arrange and ensure that guide pillar its upper surface in the time turning over the first gathering sill position (432) is fastened on the location, lower surface of the second gathering sill position (433) with the first described interval, gathering sill position (432).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205204.4U CN203986438U (en) | 2014-04-25 | 2014-04-25 | A kind of push type self-locking pull head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205204.4U CN203986438U (en) | 2014-04-25 | 2014-04-25 | A kind of push type self-locking pull head |
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| CN203986438U true CN203986438U (en) | 2014-12-10 |
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| CN201420205204.4U Active CN203986438U (en) | 2014-04-25 | 2014-04-25 | A kind of push type self-locking pull head |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104627221A (en) * | 2015-01-30 | 2015-05-20 | 上海电机学院 | Device for connecting shopping carts in supermarket |
| CN105231602A (en) * | 2015-11-09 | 2016-01-13 | 晋江市金圣拉链科技有限公司 | Rotary knob type needle locking head |
| CN106654752A (en) * | 2016-12-22 | 2017-05-10 | 六安力达生产力促进中心有限公司 | Self-locking button socket |
| 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 |
| CN107989875A (en) * | 2017-11-30 | 2018-05-04 | 中电科技集团重庆声光电有限公司 | A kind of quick connection is with freeing structure |
| CN108477766A (en) * | 2018-05-11 | 2018-09-04 | 东莞市松研智达工业设计有限公司 | A kind of anti-jamming slide fastener based on sawtooth |
| CN109421756A (en) * | 2017-08-31 | 2019-03-05 | 比亚迪股份有限公司 | Lockable mechanism |
| CN110179215A (en) * | 2019-07-10 | 2019-08-30 | 刘战军 | A kind of zipper with anti-theft function |
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2014
- 2014-04-25 CN CN201420205204.4U patent/CN203986438U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104627221A (en) * | 2015-01-30 | 2015-05-20 | 上海电机学院 | Device for connecting shopping carts in supermarket |
| CN105231602A (en) * | 2015-11-09 | 2016-01-13 | 晋江市金圣拉链科技有限公司 | Rotary knob type needle locking head |
| CN105231602B (en) * | 2015-11-09 | 2017-09-12 | 晋江市金圣拉链科技有限公司 | A kind of knob pin tapered end |
| CN106654752A (en) * | 2016-12-22 | 2017-05-10 | 六安力达生产力促进中心有限公司 | Self-locking button socket |
| CN106654752B (en) * | 2016-12-22 | 2018-09-14 | 嘉兴恒源安全技术有限公司 | Self-locking button socket |
| 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 |
| CN109421756A (en) * | 2017-08-31 | 2019-03-05 | 比亚迪股份有限公司 | Lockable mechanism |
| CN107989875A (en) * | 2017-11-30 | 2018-05-04 | 中电科技集团重庆声光电有限公司 | A kind of quick connection is with freeing structure |
| CN108477766A (en) * | 2018-05-11 | 2018-09-04 | 东莞市松研智达工业设计有限公司 | A kind of anti-jamming slide fastener based on sawtooth |
| CN108477766B (en) * | 2018-05-11 | 2020-12-08 | 江苏汇源拉链制造有限公司 | Dead zip fastener of anti-sticking based on sawtooth |
| CN110179215A (en) * | 2019-07-10 | 2019-08-30 | 刘战军 | A kind of zipper with anti-theft function |
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