CN204533270U - A kind of gearbox piston mechanism - Google Patents
A kind of gearbox piston mechanism Download PDFInfo
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- CN204533270U CN204533270U CN201520185476.7U CN201520185476U CN204533270U CN 204533270 U CN204533270 U CN 204533270U CN 201520185476 U CN201520185476 U CN 201520185476U CN 204533270 U CN204533270 U CN 204533270U
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model relates to gearbox technical field, a kind of gearbox piston mechanism is provided, comprise punching piston skeleton, punching piston skeleton forms the space of punching piston skeleton with hub in gear, gear respectively, hub piston not-go-end in gear, the inner side surface of piston not-go-end is provided with oil pocket outer wall, and piston not-go-end is provided with not-go-end face, and punching piston skeleton extends to proximal ends from circumference not-go-end; Be provided with the block rubber into a single integrated structure with punching piston skeleton between hub in punching piston skeleton and gear, block rubber extends to the inner side of oil pocket outer wall from not-go-end face, and block rubber is provided with block rubber sealing lip; Proximal ends is provided with oil pocket inwall, and in gear, hub seal groove, is provided with Sealing in seal groove; The region mineralization pressure oil pocket that in punching piston skeleton, block rubber, gear, hub and Sealing surround, while punching piston skeleton ensures piston intensity, decrease part quality, and decrease the time of car seal groove, improve work efficiency and installation efficiency.
Description
Technical field
The utility model belongs to gearbox technical field, particularly relates to a kind of gearbox piston mechanism.
Background technique
Be provided with piston mechanism in gearbox, gearbox piston is generally arranged in the pressure oil cavity of clutch, by sealing the inside and outside wall of pressure oil cavity, and pressing friction sheet group when oil-filled, thus realize the gear shift operation of gearbox.Piston framework is generally machined piece, the inner circle and cylindrical of piston arranges ring recess respectively, arranges O RunddichtringO in this ring recess, realizes sealing by the compression of O RunddichtringO.
But there is following defect in above-mentioned gearbox piston:
Mach piston complex process, especially higher to the requirement of O type ring recess, to need in the inner circle and cylindrical of piston framework car respectively to go out corresponding ring recess, and cost is higher;
Be arranged on the O RunddichtringO on piston framework inner circle and cylindrical, as the one of motive sealing, its moving resistance is larger, more difficult control in manufacture, simultaneously, in the installation process of O RunddichtringO, also easily there is the situation scratched by the ring recess in piston framework, thus cause seal failure, and then cause gearbox cisco unity malfunction.
Model utility content
The purpose of this utility model is to provide a kind of gearbox piston mechanism, be intended to solve mach piston framework in prior art, complex process, cost is high, simultaneously, it is comparatively large to there is moving resistance in the O RunddichtringO be arranged on piston framework inner circle and cylindrical, is easily taken by ring recess, causes the problem of gearbox cisco unity malfunction.
The utility model realizes like this, a kind of gearbox piston mechanism, described gearbox piston mechanism comprises punching piston skeleton, described punching piston skeleton respectively with gear, in gear, hub forms the space of punching piston skeleton, described gear is connected with hub in described gear, in described gear, hub is provided with piston not-go-end near one end of described gear, the inner side surface of described piston not-go-end is provided with oil pocket outer wall, described piston not-go-end is provided with the not-go-end face perpendicular with the inner side surface at described oil pocket outer wall place, described gear is provided with circumference not-go-end away from one end of described piston not-go-end, in described gear, hub is away from described piston not-go-end, proximal ends is provided with near one end of axle, described punching piston skeleton extends to described proximal ends from described circumference not-go-end along the surface of hub in described gear and gear,
The block rubber into a single integrated structure with described punching piston skeleton is provided with between hub in described punching piston skeleton and described gear, described block rubber extends to the inner side of described oil pocket outer wall from described not-go-end face, and described block rubber is provided with to described oil pocket outer wall extension and fits with described oil pocket outer wall and forms the block rubber sealing lip of sealing mechanism;
Described proximal ends is provided with oil pocket inwall, and the side that in described gear, hub is provided with described oil pocket inwall is provided with seal groove, and being provided with in described seal groove matches with described punching piston skeleton forms the Sealing of sealing mechanism;
The region mineralization pressure oil pocket that in described punching piston skeleton, block rubber, gear, hub and described Sealing surround.
As a kind of improved plan, in described gear and described gear, hub is welded to connect.
As a kind of improved plan, described punching piston skeleton is provided with hub extension in gear extension and gear.
As a kind of improved plan, in described gear, hub extension is provided with extension, not-go-end face, gear tool withdrawal groove extension, transition extension and oil pocket inwall extension successively, and wherein, extension, described not-go-end face is connected with described gear extension.
As a kind of improved plan, described block rubber extends to the position of described gear tool withdrawal groove extension.
As a kind of improved plan, described Sealing is O RunddichtringO.
As a kind of improved plan, described Sealing is lip-type packing, and the sealing lip of described lip-type packing extends towards described punching piston skeleton and fits with described punching piston skeleton and forms described sealing mechanism.
As a kind of improved plan, described block rubber is connected by bonding way with described punching piston skeleton.
Because gearbox piston mechanism comprises punching piston skeleton, punching piston skeleton forms the space of punching piston skeleton with hub in gear, gear respectively, in gear, hub is provided with piston not-go-end near one end of gear, the inner side surface of piston not-go-end is provided with oil pocket outer wall, piston not-go-end is provided with not-go-end face, gear is provided with circumference not-go-end, and in gear, hub is provided with proximal ends, and punching piston skeleton extends to proximal ends from circumference not-go-end; The block rubber into a single integrated structure with punching piston skeleton is provided with between hub in punching piston skeleton and gear, block rubber extends to the inner side of oil pocket outer wall from not-go-end face, and block rubber is provided with to described oil pocket outer wall extension and fits with described oil pocket outer wall and forms the block rubber sealing lip of sealing mechanism; Proximal ends is provided with oil pocket inwall, and the side that in gear, hub is provided with oil pocket inwall is provided with seal groove, is provided with Sealing in seal groove; The region mineralization pressure oil pocket that in punching piston skeleton, block rubber, gear, hub and Sealing surround, thus realize realizing external sealed by block rubber, sealing in being realized by the Sealing be arranged in seal groove, while punching piston skeleton ensures piston intensity, decrease part quality, reduce cost, and decrease the time of car seal groove, improve work efficiency and installation efficiency.
Because punching piston skeleton is provided with hub extension in gear extension and gear, in gear, hub extension is provided with extension, not-go-end face, gear tool withdrawal groove extension, transition extension and oil pocket inwall extension successively, wherein, extension, not-go-end face is connected with gear extension, the punching press of punching piston skeleton can be realized, also can accept the oil pressure thrust of pressure oil cavity simultaneously, also can adapt with the internal surface of hub in gear and gear;
Meanwhile, block rubber extends to the position of gear tool withdrawal groove extension, improves the intensity of block rubber, improves the sealing effect of sealing lip.
Because Sealing is lip-type packing, the sealing lip of lip-type packing extends towards punching piston skeleton and fits with punching piston skeleton and forms sealing mechanism, moving resistance is little, the sealing lip of lip-type packing directly and punching piston skeleton fit, good sealing effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the gearbox piston mechanism that the utility model provides;
Wherein, 1-punching piston skeleton, 2-gear, hub in 3-gear, 4-piston not-go-end, 5-oil pocket outer wall, 6-not-go-end face, 7-circumference not-go-end, 8-proximal ends, 9-block rubber, 10-block rubber sealing lip, 11-oil pocket inwall, 12-seal groove, 13-Sealing, 14-pressure oil cavity, 15-gear extension, hub extension in 16-gear, extension, 17-not-go-end face, 18-gear tool withdrawal groove extension, 19-transition extension, 20-oil pocket inwall extension, the sealing lip of 21-lip-type packing.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structural representation of the gearbox piston mechanism that the utility model provides, and for convenience of explanation, only gives the part relevant to the utility model in figure.
Gearbox piston mechanism comprises punching piston skeleton 1, punching piston skeleton 1 respectively with gear 2, in gear, hub 3 forms the space of punching piston skeleton 1, gear 2 is connected with hub in gear 3, in gear, hub 3 is provided with piston not-go-end 4 near one end of gear 2, the inner side surface of piston not-go-end 4 is provided with oil pocket outer wall, piston not-go-end 4 is provided with the not-go-end face 6 perpendicular with the inner side surface at oil pocket outer wall 5 place, gear 2 is provided with circumference not-go-end 7 away from one end of piston not-go-end 4, in gear, hub 3 is away from piston not-go-end 4, proximal ends 8 is provided with near one end of axle (not shown), punching piston skeleton 1 extends to proximal ends 8 from circumference not-go-end 7 along the surface of hub 3 in gear 2 and gear,
The block rubber 9 into a single integrated structure with punching piston skeleton 1 is provided with between hub 3 in punching piston skeleton 1 and gear, block rubber 9 extends to the inner side of oil pocket outer wall 5 from not-go-end face 6, and block rubber 9 is provided with to extend to oil pocket outer wall 5 and fit with oil pocket outer wall 5 and forms the block rubber sealing lip 10 of sealing mechanism;
Proximal ends 8 is provided with oil pocket inwall 11, and the side that in gear, hub 3 is provided with oil pocket inwall 11 is provided with seal groove 12, and being provided with in seal groove 12 matches with punching piston skeleton 1 forms the Sealing 13 of sealing mechanism;
The region mineralization pressure oil pocket 14 that in punching piston skeleton 1, block rubber 9, gear, hub 3 and Sealing 13 surround.
Wherein, be the diagram of the half of piston mechanism in the effect shown in Fig. 1, other structures are same or similar therewith, do not repeating at this, but not in order to limit the utility model.
Wherein, gear 2 is welded to connect with hub 3 in gear, and namely the outer side surface of piston not-go-end 4 welds with gear 2, makes it meet the condition of the space forming punching piston skeleton 1.
In the utility model, shown in composition graphs 1, the concrete structure profile design of punching piston skeleton 1 is as follows:
Punching piston skeleton 1 is provided with hub extension 16 in gear extension 15 and gear;
In gear, hub extension 16 is provided with extension, not-go-end face 17, gear tool withdrawal groove extension 18, transition extension 19 and oil pocket inwall extension 20 successively, and wherein, extension, described not-go-end face 17 is connected with described gear extension 15.
Wherein, the setting of this each extension can be understood as to adapt with the inner surface structure of hub 3 in gear 2 and gear and arranges.
In the utility model, as shown in Figure 1, this block rubber 9 extends from the not-go-end face 6 of piston not-go-end 4, extends to the position of gear tool withdrawal groove extension 18;
Wherein, the vibrational power flow of punching piston skeleton 1, can be convenient to form this structure by impact style, also can accept the oil pressure thrust of pressure oil cavity 14 simultaneously, also can adapt with the internal surface of hub 3 in gear 2 and gear; Meanwhile, block rubber 9 extends to the position of gear tool withdrawal groove extension, improves the intensity of block rubber 9, improves the sealing effect of sealing lip.
In this embodiment, block rubber can be realized by bonding mode with the mode that 1 one-tenth, punching piston skeleton is integrated, and can certainly adopt other modes, not repeat them here, but not in order to limit the utility model.
In the utility model, be arranged on the Sealing 13 in proximal ends 8 seal groove 12, can adopt multiple sealing means, such as common O RunddichtringO or lip-type packing (shown in figure), do not repeating at this.
Wherein, the sealing lip 21 of lip-type packing extends towards punching piston skeleton 1 and fits with punching piston skeleton 1 and forms described sealing mechanism, i.e. the sealing lip 21 of this lip-type packing towards oil pocket inwall extension 20, and is fully fitted with it.
In the utility model, above-mentioned punching piston skeleton 1 can adopt carbon steel metal material to make, adopt impact briquetting, purchase cost can be reduced, meanwhile, carbon steel has good intensity and pressworkability, and not only intensity is high in the punching piston mechanism that carbon steel metal is formed, and wall is thin, effectively part quality can be reduced.
Further, block rubber 9 is adopted to seal at oil pocket outer wall 5, it is bonding with punching piston skeleton 1 integral, sealing is realized by compressing this block rubber sealing lip 10, in the mode that oil pocket inwall 11 adopts Sealing 13 to seal, the slip resistance of whole punching piston skeleton 1 is reduced, when using lip-type packing, the reduction further of its resistance;
Further, by this setting, the process complexity making piston framework can be reduced, also improve installation efficiency simultaneously, reduce costs.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a gearbox piston mechanism, it is characterized in that, described gearbox piston mechanism comprises punching piston skeleton, described punching piston skeleton respectively with gear, in gear, hub forms the space of punching piston skeleton, described gear is connected with hub in described gear, in described gear, hub is provided with piston not-go-end near one end of described gear, the inner side surface of described piston not-go-end is provided with oil pocket outer wall, described piston not-go-end is provided with the not-go-end face perpendicular with the inner side surface at described oil pocket outer wall place, described gear is provided with circumference not-go-end away from one end of described piston not-go-end, in described gear, hub is away from described piston not-go-end, proximal ends is provided with near one end of axle, described punching piston skeleton extends to described proximal ends from described circumference not-go-end along the surface of hub in described gear and gear,
The block rubber into a single integrated structure with described punching piston skeleton is provided with between hub in described punching piston skeleton and described gear, described block rubber extends to the inner side of described oil pocket outer wall from described not-go-end face, and described block rubber is provided with to described oil pocket outer wall extension and fits with described oil pocket outer wall and forms the block rubber sealing lip of sealing mechanism;
Described proximal ends is provided with oil pocket inwall, and the side that in described gear, hub is provided with described oil pocket inwall is provided with seal groove, and being provided with in described seal groove matches with described punching piston skeleton forms the Sealing of sealing mechanism;
The region mineralization pressure oil pocket that in described punching piston skeleton, block rubber, gear, hub and described Sealing surround.
2. gearbox piston mechanism according to claim 1, is characterized in that, in described gear and described gear, hub is welded to connect.
3. gearbox piston mechanism according to claim 1, is characterized in that, described punching piston skeleton is provided with hub extension in gear extension and gear.
4. gearbox piston mechanism according to claim 3, it is characterized in that, in described gear, hub extension is provided with extension, not-go-end face, gear tool withdrawal groove extension, transition extension and oil pocket inwall extension successively, and wherein, extension, described not-go-end face is connected with described gear extension.
5. gearbox piston mechanism according to claim 4, is characterized in that, described block rubber extends to the position of described gear tool withdrawal groove extension.
6. gearbox piston mechanism according to claim 1, is characterized in that, described Sealing is O RunddichtringO.
7. gearbox piston mechanism according to claim 1, is characterized in that, described Sealing is lip-type packing, and the sealing lip of described lip-type packing extends towards described punching piston skeleton and fits with described punching piston skeleton and forms described sealing mechanism.
8. the gearbox piston mechanism according to any one of claim 1 to 7, is characterized in that, described block rubber is connected by bonding way with described punching piston skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520185476.7U CN204533270U (en) | 2015-03-30 | 2015-03-30 | A kind of gearbox piston mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520185476.7U CN204533270U (en) | 2015-03-30 | 2015-03-30 | A kind of gearbox piston mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN204533270U true CN204533270U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520185476.7U Active CN204533270U (en) | 2015-03-30 | 2015-03-30 | A kind of gearbox piston mechanism |
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| CN (1) | CN204533270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150644A (en) * | 2017-12-25 | 2018-06-12 | 贵州凯星液力传动机械有限公司 | A kind of monoblock type clutch plunger for speed changer |
| CN111051723A (en) * | 2017-09-01 | 2020-04-21 | 舍弗勒技术股份两合公司 | Piston seal assembly for clutch release system and clutch release system |
-
2015
- 2015-03-30 CN CN201520185476.7U patent/CN204533270U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111051723A (en) * | 2017-09-01 | 2020-04-21 | 舍弗勒技术股份两合公司 | Piston seal assembly for clutch release system and clutch release system |
| CN111051723B (en) * | 2017-09-01 | 2022-01-21 | 舍弗勒技术股份两合公司 | Piston seal assembly for clutch release system and clutch release system |
| CN108150644A (en) * | 2017-12-25 | 2018-06-12 | 贵州凯星液力传动机械有限公司 | A kind of monoblock type clutch plunger for speed changer |
| CN108150644B (en) * | 2017-12-25 | 2021-02-12 | 贵州凯星液力传动机械有限公司 | Integral clutch piston for transmission |
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