CN204284379U - A kind of speed changer locator pin structure - Google Patents
A kind of speed changer locator pin structure Download PDFInfo
- Publication number
- CN204284379U CN204284379U CN201420677106.0U CN201420677106U CN204284379U CN 204284379 U CN204284379 U CN 204284379U CN 201420677106 U CN201420677106 U CN 201420677106U CN 204284379 U CN204284379 U CN 204284379U
- Authority
- CN
- China
- Prior art keywords
- pin
- speed changer
- hole
- rear case
- oil duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of speed changer locator pin structure; aim to provide a kind of rational in infrastructure compact; the space hold amount of speed changer inside can be reduced; improve the degree of registration of case of transmission docking, ensure docking preposition intensity, and there is the speed changer locator pin structure of good sealing effect and protection against leakage ability.It comprises the front case oil duct be located on speed changer front case, the rear case oil duct be located on speed changer rear case, speed changer front case is provided with interference pin-and-hole, speed changer rear case is provided with cover pin-and-hole, cover pin-and-hole is communicated with rear case oil duct and coaxial, one hollow pin one end and interference pin-and-hole interference fit, the other end stretches in cover pin-and-hole, and be provided with seal ring in seal groove, seal ring is set on hollow pin outer side wall.The beneficial effects of the utility model are: the oil-leakage-prevention effect of the oil duct linkage section that saves material, improves bulk strength, improves, working life obtain the sealing effect etc. extending, can improve working state.
Description
Technical field
The utility model belongs to speed changer internal oil passages and assembling and positioning field, particularly relates to a kind of speed changer locator pin structure.
Background technique
Speed changer is generally divided into front case, rear case, it is when assembling, be bolted, but before bolt is fixing, need, by two housing docking preposition, at this time will use locating stud, current, be generally offer pin-and-hole on front case, rear case, coordinate the application of locating stud; Structure on speed changer is a lot, wherein requisite also have oil duct, for passing through of transmission fluid force feed, therefore has very high requirement to the degree of registration on speed changer front case, rear case during oil duct docking and sealing, accordingly, to the precision of locating stud and positioning requirements also very high.And current speed changer locating pin structure, although pre-auxiliary positioning can be realized, in case of transmission assembling alignment, strengthen tightness of oil conduit, improve the aspects such as protection against leakage ability, still have very large shortcoming.
Model utility content
The utility model is to overcome deficiency of the prior art; provide a kind of rational in infrastructure compact; the space hold amount of speed changer inside can be reduced; improve the degree of registration of case of transmission docking, ensure docking preposition intensity, and there is the speed changer locator pin structure of good sealing effect and protection against leakage ability.
To achieve these goals, the utility model is by the following technical solutions:
A kind of speed changer locator pin structure, comprise the front case oil duct be located on speed changer front case, be located at the rear case oil duct on speed changer rear case, described front case oil duct, rear case oil duct is communicated with, described speed changer front case is provided with some hold-down bolts, described hold-down bolt leading portion to stretch in speed changer rear case and is threaded with speed changer rear case, described speed changer front case is provided with interference pin-and-hole, described interference pin-and-hole is communicated with front case oil duct, described speed changer rear case is provided with cover pin-and-hole, described cover pin-and-hole is communicated with rear case oil duct and coaxial, described speed changer front case, hollow pin is provided with between speed changer rear case, described hollow pin one end to stretch in interference pin-and-hole and with interference pin-and-hole interference fit, the hollow pin the other end stretches in cover pin-and-hole, described interference pin-and-hole and cover pin-and-hole are equipped with sealing half groove, two sealing half groove docking formation one seal grooves, seal ring is provided with in described seal groove, described seal ring is set on hollow pin outer side wall, described seal ring and speed changer front case, compress mutually between speed changer rear case.Front case oil duct, rear case oil duct are communicated with, and for passing through transmission fluid force feed, the joint of the two is easy oil leakage portion, needs to seal.Hollow pin one end and interference pin-and-hole are locked, the other end stretches in cover pin-and-hole, be equivalent to be provided with an intermediate conduit between front case oil duct, rear case oil duct, so, just kept by hollow pin outside easy oil leakage portion and compressed, sealing is improved, meanwhile, hollow pin instead of conventional locating pin structure, eliminates the step additionally offering independent pin-and-hole, reduce cost, improve integrity and the intensity of case of transmission.Utilize the interference fit of hollow pin one end, ensure that the sealing completely on a direction, the hollow pin the other end is for being inserted in end, preposition before speed changer front case, speed changer rear case assembly connection can be provided, together with hollow pin has been associated in oil duct simultaneously, had the guarantee of coaxality, degree of registration during case of transmission assembling is also corresponding obtains better guarantee.The seal ring be set on hollow pin outer side wall only has side to be in the state of contact oil; the sealing of the height that opposite side provides due to the interference fit of hollow pin one end; transmission fluid force feed can not be touched; be equivalent to the whole surface of contact of seal ring and hollow pin all only for the oil of side provides seal protection; and be no longer the state of both sides oil sealing; slippage, distortion, impaired possibility reduce, and working life is extended.
As preferably, described seal ring comprise be adjacent to ring portion, distortion ring portion, described be adjacent to ring portion, distortion ring portion is formed in one structure, described be adjacent in sealing half groove that ring portion is on cover pin-and-hole, the described side being adjacent to ring portion and hollow pin outer side wall are fitted completely, described distortion ring portion is in sealing half groove on interference pin-and-hole, has surplus gap between described distortion ring portion and hollow pin outer side wall.While two housings compress, seal ring is compressed, provides sealing effect.The side of contact oil; in order to thorough sealing; be made into a side and hollow pin outer side wall is fitted completely; and opposite side; for the consideration of the aspects such as protection of expanding with heat and contract with cold, be out of shape, leave surplus gap, better can adapt to working state; increase the service life, the sealing effect that provider is better.
As preferably, described locating stud comprises hold-down segment, socket section, and for connecting hold-down segment and the some skeleton steel bars being socketed section, grid is formed between described skeleton steel bar, described skeleton steel bar is provided with the shell fragment covering all grids, described shell fragment and hold-down segment, be socketed between section and be tightly connected, described seal ring to be set on shell fragment outer surface and to compress mutually with shell fragment.High pressure oil by time, can extrusion elastic, shell fragment local extends out, and further press seal circle, carries out in the course of the work sealing compression thoroughly, fully, play the effect of enhanced protection, oil-leakage-prevention.
The beneficial effects of the utility model are: utilize hollow pin directly to instead of original locating stud, save material and take up room, improve bulk strength; Utilize hollow pin to carry out seal protection, improve the oil-leakage-prevention effect of oil duct linkage section; Ring structure is pointed, and can provide distortion allowance and sealed department targetedly, structure is more reasonable, and working life is extended; There is elastic piece structure, high pressure oil by time can press seal circle, improve the sealing effect of working state, and automatically reduce the compression to seal ring in off working state, prevent it aging too fast.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the partial enlarged drawing at the utility model seal ring place;
Fig. 4 is the structural representation at the utility model embodiment 2 hollow core pin place.
In figure: speed changer front case 1, front case oil duct 2, speed changer rear case 3, rear case oil duct 4, hold-down bolt 5, hollow pin 6, hold-down segment 61, socket section 62, skeleton steel bar 63, shell fragment 64, seal half groove 7, seal ring 8, be adjacent to ring portion 81, distortion ring portion 82.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Embodiment 1: as Fig. 1, Fig. 2, in embodiment shown in Fig. 3, a kind of speed changer locator pin structure, comprise the front case oil duct 2 be located on speed changer front case 1, be located at the rear case oil duct 4 on speed changer rear case 3, described front case oil duct 2, rear case oil duct 4 is communicated with, described speed changer front case 1 is provided with some hold-down bolts 5, described hold-down bolt 5 leading portion to stretch in speed changer rear case 3 and is threaded with speed changer rear case 3, described speed changer front case 1 is provided with interference pin-and-hole, described interference pin-and-hole is communicated with front case oil duct 2, described speed changer rear case 3 is provided with cover pin-and-hole, described cover pin-and-hole is communicated with rear case oil duct 4 and coaxial, described speed changer front case 1, hollow pin 6 is provided with between speed changer rear case 3, described hollow pin 6 one end to stretch in interference pin-and-hole and with interference pin-and-hole interference fit, hollow pin 6 the other end stretches in cover pin-and-hole, described interference pin-and-hole and cover pin-and-hole are equipped with sealing half groove 7, two sealing half grooves 7 dock formation one seal groove, seal ring 8 is provided with in described seal groove, described seal ring 8 is set on hollow pin 6 outer side wall, described seal ring 8 and speed changer front case 1, compress mutually between speed changer rear case 3.Front case oil duct 2, rear case oil duct 4 are communicated with, and for passing through transmission fluid force feed, the joint of the two is easy oil leakage portion, needs to seal.Hollow pin 6 one end and interference pin-and-hole are locked, the other end stretches in cover pin-and-hole, be equivalent to be provided with an intermediate conduit between front case oil duct 2, rear case oil duct 4, so, just kept by hollow pin 6 outside easy oil leakage portion and compressed, sealing is improved, meanwhile, hollow pin 6 instead of conventional locating pin structure, eliminates the step additionally offering independent pin-and-hole, reduce cost, improve integrity and the intensity of case of transmission.Utilize the interference fit of hollow pin 6 one end, ensure that the sealing completely on a direction, hollow pin 6 the other end is for being inserted in end, preposition before speed changer front case 1, speed changer rear case 3 assembly connection can be provided, together with hollow pin 6 has been associated in oil duct simultaneously, had the guarantee of coaxality, degree of registration during case of transmission assembling is also corresponding obtains better guarantee.The seal ring 8 be set on hollow pin 6 outer side wall only has side to be in the state of contact oil; the sealing of the height that opposite side provides due to the interference fit of hollow pin 6 one end; transmission fluid force feed can not be touched; be equivalent to the whole surface of contact of seal ring 8 and hollow pin 6 all only for the oil of side provides seal protection; and be no longer the state of both sides oil sealing; slippage, distortion, impaired possibility reduce, and working life is extended.
Embodiment 2: the basic structure of the present embodiment and mode of execution are with embodiment 1, its difference is, as shown in Figure 4, described seal ring 8 comprise be adjacent to ring portion 81, distortion ring portion 82, described be adjacent to ring portion 81, distortion ring portion 82 is formed in one structure, described be adjacent in sealing half groove 7 that ring portion 81 is on cover pin-and-hole, the described side being adjacent to ring portion 81 and hollow pin 6 outer side wall are fitted completely, described distortion ring portion 82 is in sealing half groove 7 on interference pin-and-hole, has surplus gap between described distortion ring portion 82 and hollow pin 6 outer side wall.While two housings compress, seal ring 8 is compressed, provides sealing effect.The side of contact oil; in order to thorough sealing; be made into a side and hollow pin 6 outer side wall is fitted completely; and opposite side; for the consideration of the aspects such as protection of expanding with heat and contract with cold, be out of shape, leave surplus gap, better can adapt to working state; increase the service life, the sealing effect that provider is better.Described locating stud comprises hold-down segment 61, socket section 62, and for connecting hold-down segment 61 and the some skeleton steel bars 63 being socketed section 62, grid is formed between described skeleton steel bar 63, described skeleton steel bar 63 is provided with the shell fragment 64 covering all grids, described shell fragment 64 and hold-down segment 61, be socketed between section 62 and be tightly connected, described seal ring 8 to be set on shell fragment 64 outer surface and to compress mutually with shell fragment 64.High pressure oil by time, can extrusion elastic 64, shell fragment 64 local extends out, and further press seal circle 8, carries out in the course of the work sealing compression thoroughly, fully, play the effect of enhanced protection, oil-leakage-prevention.
Claims (3)
1. a speed changer locator pin structure, it is characterized in that, comprise the front case oil duct (2) be located on speed changer front case (1), be located at the rear case oil duct (4) on speed changer rear case (3), described front case oil duct (2), rear case oil duct (4) is communicated with, described speed changer front case (1) is provided with some hold-down bolts (5), described hold-down bolt (5) leading portion to stretch in speed changer rear case (3) and is threaded with speed changer rear case (3), described speed changer front case (1) is provided with interference pin-and-hole, described interference pin-and-hole is communicated with front case oil duct (2), described speed changer rear case (3) is provided with cover pin-and-hole, described cover pin-and-hole is communicated with rear case oil duct (4) and coaxial, described speed changer front case (1), hollow pin (6) is provided with between speed changer rear case (3), described hollow pin (6) one end to stretch in interference pin-and-hole and with interference pin-and-hole interference fit, hollow pin (6) the other end stretches in cover pin-and-hole, described interference pin-and-hole and cover pin-and-hole are equipped with sealing half groove (7), two sealing half groove (7) docking formation one seal grooves, seal ring (8) is provided with in described seal groove, described seal ring (8) is set on hollow pin (6) outer side wall, described seal ring (8) and speed changer front case (1), speed changer rear case compresses mutually between (3).
2. a kind of speed changer locator pin structure according to claim 1, it is characterized in that, described seal ring (8) comprises and is adjacent to ring portion (81), distortion ring portion (82), described is adjacent to ring portion (81), distortion ring portion (82) is formed in one structure, described be adjacent in sealing half groove (7) that ring portion (81) is on cover pin-and-hole, the described side being adjacent to ring portion (81) and hollow pin (6) outer side wall are fitted completely, described distortion ring portion (82) is in sealing half groove (7) on interference pin-and-hole, between described distortion ring portion (82) and hollow pin (6) outer side wall, there is surplus gap.
3. a kind of speed changer locator pin structure according to claim 1 and 2, it is characterized in that, described locating stud comprises hold-down segment (61), socket section (62), and for connecting hold-down segment (61) and the some skeleton steel bars (63) being socketed section (62), grid is formed between described skeleton steel bar (63), described skeleton steel bar (63) is provided with the shell fragment (64) covering all grids, and described seal ring (8) to be set on shell fragment (64) outer surface and to compress mutually with shell fragment (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420677106.0U CN204284379U (en) | 2014-11-13 | 2014-11-13 | A kind of speed changer locator pin structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420677106.0U CN204284379U (en) | 2014-11-13 | 2014-11-13 | A kind of speed changer locator pin structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204284379U true CN204284379U (en) | 2015-04-22 |
Family
ID=52867541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420677106.0U Expired - Fee Related CN204284379U (en) | 2014-11-13 | 2014-11-13 | A kind of speed changer locator pin structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204284379U (en) |
-
2014
- 2014-11-13 CN CN201420677106.0U patent/CN204284379U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151230 Address after: Ring Road water unlimited economic zone in Xiangtan County of Hunan Jiuhua 411100 city of Xiangtan Province Patentee after: Hunan Jisheng International Power Transmission System Co., Ltd. Address before: 315336 Binhai New Area, Hangzhou Bay, Zhejiang, No. two, No. 818 Road, No. Patentee before: Ningbo lucky Luo You engine component Co., Ltd Patentee before: Zhejiang Geely Luoyou Engine Co., Ltd. Patentee before: Ji'nan Geely Auto Parts Co., Ltd. Patentee before: Hunan Luoyou Engine Parts Co., Ltd. Patentee before: Shandong Jili Transmission Co., Ltd. Patentee before: Ningbo Shangzhongxia Automatic Transmission Co., Ltd. Patentee before: Hunan Jisheng International Power Transmission System Co., Ltd. Patentee before: Zhejiang Geely Holding Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20201113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |