CN204235074U - Split pin guiding pressure head with orientating function - Google Patents
Split pin guiding pressure head with orientating function Download PDFInfo
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- CN204235074U CN204235074U CN201420655905.8U CN201420655905U CN204235074U CN 204235074 U CN204235074 U CN 204235074U CN 201420655905 U CN201420655905 U CN 201420655905U CN 204235074 U CN204235074 U CN 204235074U
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- depression bar
- push rod
- guide
- pressure head
- split pin
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Abstract
A kind of split pin guiding pressure head of band orientating function of automobile gearbox technical field, comprise: the axial limiting part be fixedly connected with and depression bar and be movably set in axial limiting part end and the elastic push rod mechanism contacted with one end of depression bar, this elastic push rod mechanism comprises: the elastic component be connected with push rod with depression bar respectively and be arranged at the guide that push rod outside is flexibly connected with axial limiting part.The utility model can keep the correct attitude of elastic opening pin process of press in and correct angle, and has press-in guide function.
Description
Technical field
The utility model relates to a kind of device of automobile gearbox technical field, specifically a kind of split pin guiding pressure head with orientating function.
Background technology
Such as transfer case shift mechanisms assembling parts at present, often adopts as marked the elastic opening pin shown in part A in Fig. 1.It is simple that this elastic opening pin has assembling, and the advantage not easily loosened under stress condition, be thus used widely in associated component assembling.And for ensureing that resilient key assembling reaches best effects in particular directions by force intensity, usually require in assembling process that the strict opening direction controlling split pin requires that resilient key opening direction is consistent with shift fork axis direction.Under general semi-automatic manual loading and unloading condition, require that operator controls opening voluntarily to direction, and ensured by visual detection.This is very unreliable for control opening direction, therefore needs a kind of method that can be ensured by equipment.
Through finding the retrieval of prior art, Chinese patent literature CN203003741, publication date 2013-6-19, disclose a kind of split pin pressing clamp, comprise a base, described base is provided with a fairlead, described fairlead comprises a columniform overcoat, the inside of described overcoat is axial hollow structure, has been mounted slidably a columniform interior axle in described hollow structure; The top of described interior axle is provided with one, and coaxial and radius is less than the columniform boss of described interior axle with described interior axle, and the bottom of described interior axle offers a groove, is provided with a spring between described groove and base; When described interior axle and base contacts, what the difference of the height of place, the top plane of the step place plane formed between described interior axle and boss and described overcoat equaled split pin to be press-fited press-fits the degree of depth.But the prior art only can realize severity control, and be not suitable for pin and press-fit from the top down; And when the split pin that wall thickness is thinner press-fits, can not to split pin whole process guiding; There is no opening to opening orientating function; And, this mechanism by lead at the pilot pin of split pin endoporus, little by the circumstances that press-fits split pin diameter of bore very little, as this mechanism during double-deck split pin cannot will use because rigid deficiency; In addition, because elastic opening pin can reduce press-fiting endoporus in process, thus the axis of guide must stay comparatively wide arc gap, and thus guiding accuracy is poor.
Utility model content
The utility model, for prior art above shortcomings, proposes a kind of split pin guiding pressure head with orientating function, can be installed on special or general press, press-fit for elastic opening pin orientation.
The utility model is achieved through the following technical solutions, and the utility model comprises: the axial limiting part be fixedly connected with and depression bar and be movably set in axial limiting part end and the elastic push rod mechanism contacted with one end of depression bar.
Described elastic push rod mechanism comprises: push rod, the elastic component be connected with push rod with depression bar respectively and be arranged at the guide that is flexibly connected with axial limiting part of push rod outside.
The other end of described depression bar is provided with mounting disc.
The front end of described guide is provided with and adapts with push rod and to hold the structure of elastic opening pin to be press-fited.
The inside of described guide is provided with front end through hole and the tail end through hole of the hierarchic structure that two sections are connected, and tail end through hole and depression bar are slidably matched, and front end through hole and push rod are slidably matched and hold elastic opening pin to be press-fited.
The cross sectional shape of the front end through hole of described guide is the moon circular configuration with string limit, the opening of the elastic opening pin that string limit is corresponding to be press-fited, thus limits the angle of assembling of elastic opening pin to be press-fited.
The inside of described guide is provided with rotation limited part, and this rotation limited part matches with depression bar.
The outside of described guide is provided with boss structure, and the upper surface shoulder of this boss structure arranges one end of elastic component, and the other end of elastic component is arranged at the bottom side of depression bar, and elastic component is felt relieved; The lower surface of boss structure contacts with axial limiting part, for the end axial limiting of guide.
The front end sidepiece of described guide is provided with permanent magnet and the outer dia size of this front end is all less than other parts of guide, and permanent magnet, in order to attract elastic opening pin to be press-fited, makes it can not drop in vertical direction, for the feeding of elastic opening pin assembling process.
Described axial limiting part entirety is tube-in-tube structure, and one end is ladder nested structure with holes, and this structure is fixedly connected with depression bar, and the other end is arc hook formation, and this structure contacts with guide, for the end axial limiting of guide.
Described depression bar is some sections of hierarchic structures, this hierarchic structure is located by interior hole end surface and is fixedly connected with mounting disc, rotate in order to restriction, opposite side is fixedly connected with axial limiting part, the hierarchic structure in stage casing contacts with one end of axial limiting part and elastic component respectively, and the hierarchic structure of front end is provided with internal bore groove, and this internal bore groove is fixedly connected with push rod, front end external diameter is provided with the fluting matched with the rotation limited part of guide, directed for realizing in guide active procedure.
Described mounting disc is disk-shaped structure, and depression bar and the bonding press adopted are connected as one by screw, outside cylinder is provided with the mounting limit be connected with bonding press and holds out against screw.
Described push rod is two sections of stepped cylindrical structures, large end column structure side is taper hole, this taper hole is fixed by holding screw and depression bar, the side of another thin segment column structure is identical with the front end through hole cross sectional shape of guide, and the length of this thin segment column structure is greater than the limiting length that the tail end through hole of guide and depression bar are slidably matched.Push rod penetrates guide, and formation is slidably matched, thus after pressure head advances and guide is subject to thrust, push rod is by elastic opening pin press-in assembling object.
The utility model can keep the correct attitude of elastic opening pin process of press in and correct angle; There is the function of press-in guiding, and have compression distance control and pin maintenance feeding function concurrently, in elastic opening pin process of press in, good guidance can be provided all the time; And all parts of the present utility model are all replaceable, have good maintainability.
Accompanying drawing explanation
Fig. 1 is the existing common structure schematic diagram of background technology;
Fig. 2 is structure sectional view of the present utility model, and wherein scheming b is that the J of figure a is to enlarged drawing.
Detailed description of the invention
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment 1
As shown in Figure 2, the present embodiment comprises: the axial limiting part 3 be fixedly connected with and depression bar 5 and be movably set in axial limiting part 3 end and the elastic push rod mechanism contacted with one end of depression bar 5.
Described elastic push rod mechanism comprises: push rod 12, the elastic component 10 be connected with push rod 12 with depression bar 5 respectively and be arranged at the guide 1 that is flexibly connected with axial limiting part 3 of push rod 12 outside.
The other end of described depression bar 5 is provided with mounting disc 6.
The front end of described guide 1 is provided with and adapts with push rod 12 and to hold the structure of elastic opening pin to be press-fited.
The inside of described guide 1 is provided with front end through hole and the tail end through hole of the hierarchic structure that two sections are connected, and tail end through hole and depression bar 5 are slidably matched, and front end through hole and push rod 12 are slidably matched and hold elastic opening pin to be press-fited.
The cross sectional shape of the front end through hole of described guide 1 is the moon circular configuration with string limit, the opening of the elastic opening pin that string limit is corresponding to be press-fited, thus limits the angle of assembling of elastic opening pin to be press-fited.
The inside of described guide 1 is provided with rotation limited part, and this rotation limited part matches with depression bar 5.
The outside of described guide 1 is provided with boss structure, and the upper surface shoulder of this boss structure arranges one end of elastic component 10, and the other end of elastic component 10 is arranged at the bottom side of depression bar 5, and elastic component 10 is felt relieved; The lower surface of boss structure contacts with axial limiting part 3, for the end axial limiting of guide 1.
The front end sidepiece of described guide 1 is provided with permanent magnet 13 and the outer dia size of this front end is all less than other parts of guide 1, permanent magnet 13 is in order to attract elastic opening pin to be press-fited, make it can not drop in vertical direction, for the feeding of elastic opening pin assembling process.
In the present embodiment, guide 1 is cylindrical structural, has two sections of stairstepping endoporus and three sections of ladder cylindricals broad in the middle.The large end of endoporus is used for being slidably matched with depression bar 5 stroke; If the J of Fig. 2 is to shown in enlarged drawing, little stomidium is moon shape hole, and for holding push rod 12 and by the elastic opening pin press-fited, and string limit is corresponding to the opening of elastic opening pin press-fited, thus can limit by the angle of assembling press-fiting elastic opening pin.Guide ladder cylindrical one section and shoulder face are used for spring fitting centering, and other end external diameter and shoulder face are used for overcoat guide and limit.Guide 1 slides on depression bar 5, spacing by axial limiting part 3, makes it nature stretch out by elastic component 10, is rotated by the groove restriction on socket cap stop screw 11 and depression bar 5; Guide side is provided with permanent magnet 13, in order to attract to be press-fited elastic opening pin, makes it can not drop in vertical direction, thus may be used for the feeding of split pin assembling process.And push rod 12 is led in guide 1, rigidity is strengthened.
Described axial limiting part 3 entirety is tube-in-tube structure, and one end is ladder nested structure with holes, and this structure is fixedly connected with depression bar 5, and the other end is arc hook formation, and this structure contacts with guide 1, for the end axial limiting of guide 1.
In the present embodiment, axial limiting part 3 is ladder nested structure with holes, is fixed on depression bar 5 by hold-down screw 4, for limiting the axial end position of guide 1, and ensures that tapered sleeve 1 is not thrown off with depression bar under spring promotes.
Described depression bar 5 is some sections of hierarchic structures, this hierarchic structure is located by interior hole end surface and is fixedly connected with mounting disc 6, rotate in order to restriction, opposite side is fixedly connected with axial limiting part 3, the hierarchic structure in stage casing contacts with one end of axial limiting part 3 and elastic component 10 respectively, and the hierarchic structure of front end is provided with internal bore groove, and this internal bore groove is fixedly connected with push rod 12, front end external diameter is provided with the fluting matched with the rotation limited part of guide 1, directed for realizing in guide 1 active procedure.
In the present embodiment, depression bar 5 is four sections of ladders from big to small, two end band inner hole structures.Hole end surface location in large end, by being connected in mounting disc 6.Depression bar 5 except large end all the other each section, is connected with axial limiting part 3, elastic component 10, guide 1 and push rod 12 successively.Depression bar 5 front end external diameter is provided with keyway, for directed in guide 1 active procedure.
Described mounting disc 6 is disk-shaped structure, and depression bar 5 and the bonding press 14 that adopts are connected as one by soket head cap screw 8,9, outside cylinder is provided with the mounting limit be connected with bonding press 14 and holds out against screw 7.
Described push rod 12 is two sections of stepped cylindrical structures, large end column structure side is taper hole, this taper hole is fixed by holding screw 2 and depression bar 5, the side of another thin segment column structure is identical with the front end through hole cross sectional shape of guide 1, and the length of this thin segment column structure is greater than the limiting length that the tail end through hole of guide 1 and depression bar 5 are slidably matched.Push rod 12 penetrates guide 1, and formation is slidably matched, thus after pressure head advances and guide 1 is subject to thrust, push rod 12 is by elastic opening pin press-in assembling object.
Elastic component 10 is spring.
As shown in Figure 2, during use, first elastic opening pin is filled in guide 1, the opening of split pin is corresponding with string limit, split pin could be put into guide 1, thus make split pin obtain orientation.Under the sucking action of permanent magnet 13, split pin is maintained at origin-location, then bonding press 14 is to press-fiting object motion, when guide 1 contacts that to be press-fited around object aperture surperficial, elastic component 10 starts to be compressed, and push rod 12 starts split pin press-in to be press-fited in object hole, terminate until hole end surface stroke in guide 1 is pushed up in depression bar 5 front end, or press halts, then pressure head 14 returns, and completes elastic opening pin and press-fits.
Claims (10)
1. the split pin guiding pressure head with orientating function, it is characterized in that, comprise: the axial limiting part be fixedly connected with and depression bar and be movably set in axial limiting part end and the elastic push rod mechanism contacted with one end of depression bar, this elastic push rod mechanism comprises: push rod, the elastic component be connected with push rod with depression bar respectively and be arranged at the guide that push rod outside is flexibly connected with axial limiting part.
2. split pin guiding pressure head according to claim 1, it is characterized in that, the inside of described guide is provided with front end through hole and the tail end through hole of the hierarchic structure that two sections are connected, and tail end through hole and depression bar are slidably matched, and front end through hole and push rod are slidably matched and hold elastic opening pin to be press-fited.
3. split pin guiding pressure head according to claim 2, it is characterized in that, the cross sectional shape of the front end through hole of described guide is the moon circular configuration with string limit, the opening of the elastic opening pin that string limit is corresponding to be press-fited.
4. the split pin guiding pressure head according to claim 1,2 or 3, it is characterized in that, the inside of described guide is provided with rotation limited part, and this rotation limited part matches with depression bar.
5. split pin guiding pressure head according to claim 4, it is characterized in that, the outside of described guide is provided with boss structure, and the upper surface shoulder of this boss structure arranges one end of elastic component, and the other end of elastic component is arranged at the bottom side of depression bar; The lower surface of boss structure contacts with axial limiting part.
6. split pin guiding pressure head according to claim 5, it is characterized in that, the front end sidepiece of described guide is provided with permanent magnet.
7. split pin guiding pressure head according to claim 5, it is characterized in that, described axial limiting part entirety is tube-in-tube structure, and one end is ladder nested structure with holes, and this structure is fixedly connected with depression bar, and the other end is arc hook formation, and this structure contacts with guide.
8. the split pin guiding pressure head according to claim 6 or 7, it is characterized in that, the other end of described depression bar is provided with mounting disc, this depression bar is some sections of hierarchic structures, this hierarchic structure is located by interior hole end surface and is fixedly connected with mounting disc, opposite side is fixedly connected with axial limiting part, the hierarchic structure in stage casing contacts with one end of axial limiting part and elastic component respectively, the hierarchic structure of front end is provided with internal bore groove, this internal bore groove is fixedly connected with push rod, and front end external diameter is provided with the fluting matched with the rotation limited part of guide.
9. split pin guiding pressure head according to claim 8, it is characterized in that, described mounting disc is disk-shaped structure, and depression bar and the bonding press adopted are connected as one by screw, outside cylinder is provided with the mounting limit be connected with bonding press and holds out against screw.
10. split pin guiding pressure head according to claim 8, it is characterized in that, described push rod is two sections of stepped cylindrical structures, large end column structure side is taper hole, this taper hole is fixed by holding screw and depression bar, the side of another thin segment column structure is identical with the front end through hole cross sectional shape of guide, and the length of this thin segment column structure is greater than the limiting length that the tail end through hole of guide and depression bar are slidably matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420655905.8U CN204235074U (en) | 2014-11-05 | 2014-11-05 | Split pin guiding pressure head with orientating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420655905.8U CN204235074U (en) | 2014-11-05 | 2014-11-05 | Split pin guiding pressure head with orientating function |
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| Publication Number | Publication Date |
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| CN204235074U true CN204235074U (en) | 2015-04-01 |
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| CN201420655905.8U Active CN204235074U (en) | 2014-11-05 | 2014-11-05 | Split pin guiding pressure head with orientating function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215655A (en) * | 2015-10-14 | 2016-01-06 | 上海奥林汽车安全系统有限公司 | A kind of elastic device and application thereof press-fiting bearing pin |
| CN108161407A (en) * | 2018-03-06 | 2018-06-15 | 青岛力克川液压机械有限公司 | A kind of planet carrier automatic assembly equipment |
| CN110576307A (en) * | 2019-10-10 | 2019-12-17 | 湖南东创智能装备有限公司 | Press mounting tool for split elastic pin |
| CN112091578A (en) * | 2020-09-20 | 2020-12-18 | 孙奉生 | Automatic press fitting equipment for parking pawl of automobile gearbox |
-
2014
- 2014-11-05 CN CN201420655905.8U patent/CN204235074U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215655A (en) * | 2015-10-14 | 2016-01-06 | 上海奥林汽车安全系统有限公司 | A kind of elastic device and application thereof press-fiting bearing pin |
| CN108161407A (en) * | 2018-03-06 | 2018-06-15 | 青岛力克川液压机械有限公司 | A kind of planet carrier automatic assembly equipment |
| CN108161407B (en) * | 2018-03-06 | 2024-04-19 | 青岛力克川液压机械有限公司 | Automatic planet carrier assembly equipment |
| CN110576307A (en) * | 2019-10-10 | 2019-12-17 | 湖南东创智能装备有限公司 | Press mounting tool for split elastic pin |
| CN112091578A (en) * | 2020-09-20 | 2020-12-18 | 孙奉生 | Automatic press fitting equipment for parking pawl of automobile gearbox |
| CN112091578B (en) * | 2020-09-20 | 2022-05-03 | 浙江中马传动股份有限公司 | Automatic press fitting equipment for parking pawl of automobile gearbox |
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