CN210440309U - Split type concentric servo hydraulic cylinder mechanism - Google Patents
Split type concentric servo hydraulic cylinder mechanism Download PDFInfo
- Publication number
- CN210440309U CN210440309U CN201920469085.6U CN201920469085U CN210440309U CN 210440309 U CN210440309 U CN 210440309U CN 201920469085 U CN201920469085 U CN 201920469085U CN 210440309 U CN210440309 U CN 210440309U
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- CN
- China
- Prior art keywords
- hydraulic cylinder
- oil
- cylinder mechanism
- hydraulic cylinders
- concentric servo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
The utility model relates to a separated concentric servo hydraulic cylinder mechanism, which comprises at least two hydraulic cylinders, wherein the hydraulic cylinders are matched and fixed together through respective cylinder body walls to form an integral hydraulic cylinder mechanism; at least one oil cavity is formed in the cylinder body of the hydraulic cylinder, and a movable piston is arranged in the oil cavity; the cylinder body wall of the hydraulic cylinder is provided with at least one oil inlet hole communicated with the oil cavity, and the oil inlet holes are distributed in one-to-one correspondence with the oil cavities; the utility model has the advantages that: at least more than two hydraulic cylinders are arranged, the hydraulic cylinders are fixed in a combined mode, and customized design is carried out on a client according to the requirement of the client by adjusting the combined and connected mode, so that the hydraulic cylinder has the advantages of flexible arrangement, compact structure and capability of saving arrangement space; and the oil chambers in the hydraulic cylinders are completely and mutually independently arranged, so that the hydraulic cylinder has the advantages of no risk of oil leakage and leakage.
Description
Technical Field
The utility model belongs to the technical field of the automobile clutch part, especially, relate to a concentric servo pneumatic cylinder mechanism of disconnect-type.
Background
The gearboxes in automobiles are generally divided into manual gearboxes, automatic gearboxes or hybrid gearboxes, a clutch is arranged between the gearbox and an automobile engine, and a key component of a concentric servo hydraulic cylinder mechanism, namely the CSC, can be adopted no matter a dry clutch or a wet clutch. The traditional CSC structure is integrated, has the defects of heavy weight, inflexible arrangement and incapability of randomly replacing the space according to the requirements of customers, and brings great difficulty to the miniaturization design of a clutch and a gearbox.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art existence, and provide a concentric servo pneumatic cylinder mechanism of disconnect-type.
The utility model aims at completing the technical proposal that the separated concentric servo hydraulic cylinder mechanism comprises at least two hydraulic cylinders which are matched and fixed together through respective cylinder body walls to form an integral hydraulic cylinder mechanism; at least one oil cavity is formed in the cylinder body of the hydraulic cylinder, and a movable piston is arranged in the oil cavity; and the wall of the cylinder body of the hydraulic cylinder is provided with at least one oil inlet hole communicated with the oil cavity, and the oil inlet holes are distributed in one-to-one correspondence with the oil cavities.
Preferably, the hydraulic cylinder is connected with the hydraulic cylinder in a coaxial mode.
Preferably, the hydraulic cylinder is connected with the hydraulic cylinder in an off-axis mode.
Preferably, at least two oil cavities are formed in the cylinder body of the hydraulic cylinder, and the oil cavities are distributed independently.
Preferably, a convex block extends on the cylinder body wall of the hydraulic cylinder, and an oil inlet hole communicated with the oil cavity is formed in the convex block.
Preferably, the projection is provided with one or more than one.
Preferably, an oil pipe for supplying oil is installed in the oil inlet hole.
Preferably, the number of the oil inlet holes is equal to the number of the oil chambers.
The utility model has the advantages that: at least more than two hydraulic cylinders are arranged, the hydraulic cylinders are fixed in a combined mode, and customized design is carried out on a client according to the requirement of the client by adjusting the combined and connected mode, so that the hydraulic cylinder has the advantages of flexible arrangement, compact structure and capability of saving arrangement space; and the oil chambers in the hydraulic cylinders are completely and mutually independently arranged, so that the hydraulic cylinder has the advantages of no risk of oil leakage and leakage.
Drawings
Fig. 1 is a schematic structural view of the hydraulic cylinder mechanism of the present invention.
Fig. 2 is a schematic structural diagram of a first oil feeding mode in which the hydraulic cylinder of the specific embodiment of the present invention extends to form a bump.
Fig. 3 is a schematic diagram of the power flow structure between the hydraulic cylinder mechanism and the actuator according to the present invention.
The reference numbers in the drawings are respectively: 1. a hydraulic cylinder; 2. a hydraulic cylinder mechanism; 3. a piston; 4. a bump; 5. a first angular contact ball bearing; 6. a second angular contact ball bearing; 7. a first brake clutch; 8. a second brake clutch; 9. a first shift disconnect clutch; 10. a second shift disconnect clutch; 1-1, an oil cavity; 1-2, oil inlet holes; 3-1, a first piston; 3-2, a second piston; 3-3 a third piston; 3-4, a fourth piston; 1-11, a first oil chamber; 1-12, a second oil chamber; 1-13, a third oil chamber; 1-14 and a fourth oil chamber.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawing 1: the utility model comprises at least two hydraulic cylinders 1, the hydraulic cylinders 1 are matched and fixed together through respective cylinder body walls, and an integral hydraulic cylinder mechanism 2 is formed in a combined mode; the cylinder body wall between the hydraulic cylinder 1 and the hydraulic cylinder 1 is fixed together in the modes of interference fit, bolt fixation, positioning pin fit, spline fit or welding and the like, wherein the interference fit is commonly used, and the separated hydraulic cylinders 1 are nested together through external force. At least one oil cavity 1-1 is formed in the cylinder body of the hydraulic cylinder 1, and a movable piston 3 is arranged in the oil cavity 1-1; the wall of the hydraulic cylinder 1 is provided with at least one oil inlet 1-2 communicated with the oil cavity 1-1, and the at least one oil inlet 1-2 is distributed in one-to-one correspondence with the oil cavity 1-1; the number of the oil inlet holes 1-2 is equal to that of the oil cavities 1-1, so that the oil cavities 1-1 in each hydraulic cylinder 1 are completely and independently arranged, and the hydraulic cylinder has the advantages of no risk of oil leakage and leakage; meanwhile, the CSC arrangement space can be saved under the condition of meeting the same functional requirements.
The combination mode in the above is: when two hydraulic cylinders 1 are provided, the number of oil chambers therein may be arranged in such a manner as 1/1, 2/2, 2/3, or the like; when three hydraulic cylinders 1 are provided, the number of oil chambers therein may be arranged in such a manner as 2/2/2, 2/2/3, 2/3/3, or the like.
The hydraulic cylinders 1 are preferably of a rotating body structure, and the hydraulic cylinders 1 are connected in a coaxial manner, that is, the axis of one hydraulic cylinder 1 and the axis of the other hydraulic cylinder 1 are on the same straight line, and the coaxial connection is limited to the connection between the two hydraulic cylinders 1.
The hydraulic cylinders 1 are preferably of a rotating body structure, and the hydraulic cylinders 1 are connected with each other in an off-axis manner, that is, the axis of one hydraulic cylinder 1 and the axis of the other hydraulic cylinder 1 are distributed in parallel and are not intersected with each other, and the off-axis connection is suitable for the connection between two or more hydraulic cylinders 1.
Example (b): if three hydraulic cylinders 1 are arranged, two of the hydraulic cylinders 1 can be connected in a coaxial manner, and the rest one of the hydraulic cylinders is connected with the other two hydraulic cylinders 1 which are connected in a coaxial manner in an off-axis manner; or the three hydraulic cylinders 1 are connected in an off-axis mode; the two connection modes can be arranged and adjusted according to the size required by the CSC spatial position in the clutch, so that the clutch has the advantages of flexible arrangement, compact structure, capability of saving arrangement space and convenience for the miniaturization design of the clutch.
Example (b): the separated concentric servo hydraulic cylinder mechanism comprises two hydraulic cylinders 1, two oil cavities 1-1 in the cylinder body of each hydraulic cylinder 1 are arranged, and the oil cavities 1-1 are mutually independently distributed; the two hydraulic cylinders 1 are connected in a coaxial mode or an eccentric mode, and the cylinder walls are fixed together in an interference fit mode, a bolt fixing mode, a positioning pin fitting mode, a spline fitting mode or a welding mode.
An oil inlet mode I: as shown in the attached figure 2, a convex block 4 extends on the cylinder body wall of the hydraulic cylinder 1, and an oil inlet hole 1-2 communicated with an oil cavity 1-1 is formed in the convex block 4; one or more than one convex block 4 is arranged, namely when one convex block 4 is arranged, the convex block 4 is provided with oil inlet holes 1-2 with the same number as the oil cavities 1-1 in the cylinder body of the hydraulic cylinder 1; when more than one lug 4 is arranged, at the moment, the number of oil cavities 1-1 in the cylinder body of the hydraulic cylinder 1 is at least more than two, and each lug 1 is at least internally provided with one oil inlet 1-2; the number of the projections 4 can be set appropriately according to different requirements and allowable space ranges of the CSC in the clutch.
An oil inlet mode II is as follows: an oil pipe for supplying oil is arranged in the oil inlet 1-2, namely, a hole is directly drilled on the cylinder wall of the hydraulic cylinder, the oil pipe extends into the hole, or a prefabricated oil pipe is inserted, the mode is simple to process, and the oil duct is more convenient to arrange.
The utility model discloses a theory of operation does: as shown in fig. 3, when the first oil chamber 1-11 is filled with pressure oil, the first piston 3-1 is pushed by the pressure oil and moves to the left, so as to push the first brake clutch 7 in the left-hand actuator to engage or disengage (as shown in a in the figure); when the second oil chamber 1-12 is filled with pressure oil, the second piston 3-2 is pushed by the pressure oil and moves to the left, and can push the second brake clutch 8 in the left actuating mechanism to be combined or separated (as shown in B in the figure); when the third oil chamber 1-13 is filled with pressure oil, the third piston 3-3 is pushed by the pressure oil, moves to the right, and pushes the first gear-shifting separation clutch 9 in the right-side actuating mechanism to be combined or separated through the first angular contact ball bearing 5 (as shown in the figure C); when the fourth oil chamber 1-14 is filled with pressure oil, the fourth piston 3-4 is pushed by the pressure oil, moves to the right, and pushes the second shift separation clutch 10 in the right-hand actuator to be engaged or disengaged (as shown in D in the figure) through the second angular contact ball bearing 6; the first and second shifting clutches 9, 10 mentioned above are suitable for an automatic transmission or a hybrid transmission.
The oil cavity 1-1 is a pressure oil cavity in the hydraulic cylinder 1, and the oil inlet hole 1-2 matched with the oil cavity 1-1 is a pressure oil inlet hole.
The present invention is not limited to the above embodiments, and any change is made on the shape or material composition, and all the structural designs provided by the present invention are all the deformation of the present invention, which should be considered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a concentric servo hydraulic cylinder mechanism of disconnect-type which characterized in that: the hydraulic cylinder mechanism comprises at least two hydraulic cylinders (1), wherein the hydraulic cylinders (1) are matched and fixed together through respective cylinder body walls to form an integral hydraulic cylinder mechanism (2); at least one oil cavity (1-1) is formed in the cylinder body of the hydraulic cylinder (1), and a movable piston (3) is installed in the oil cavity (1-1); the cylinder body wall of the hydraulic cylinder (1) is provided with at least one oil inlet hole (1-2) communicated with the oil cavity (1-1), and the at least one oil inlet hole (1-2) is distributed in one-to-one correspondence with the oil cavity (1-1).
2. The split concentric servo hydraulic cylinder mechanism of claim 1, wherein: the hydraulic cylinder (1) is connected with the hydraulic cylinder (1) in a coaxial mode.
3. The split concentric servo hydraulic cylinder mechanism of claim 1, wherein: the hydraulic cylinder (1) is connected with the hydraulic cylinder (1) in an off-axis mode.
4. The split concentric servo hydraulic cylinder mechanism of claim 1, wherein: at least two oil cavities (1-1) are formed in the cylinder body of the hydraulic cylinder (1), and the oil cavities (1-1) are distributed independently.
5. The split concentric servo hydraulic cylinder mechanism of claim 1, wherein: a convex block (4) extends on the wall of the hydraulic cylinder (1), and an oil inlet hole (1-2) communicated with the oil cavity (1-1) is formed in the convex block (4).
6. The split concentric servo hydraulic cylinder mechanism of claim 5, wherein: one or more than one lug (4) is/are arranged.
7. The split concentric servo hydraulic cylinder mechanism of claim 1, wherein: an oil pipe for supplying oil is arranged in the oil inlet hole (1-2).
8. The split concentric servo hydraulic cylinder mechanism of claim 1, wherein: the number of the oil inlet holes (1-2) is equal to that of the oil cavities (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920469085.6U CN210440309U (en) | 2019-04-09 | 2019-04-09 | Split type concentric servo hydraulic cylinder mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920469085.6U CN210440309U (en) | 2019-04-09 | 2019-04-09 | Split type concentric servo hydraulic cylinder mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210440309U true CN210440309U (en) | 2020-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920469085.6U Active CN210440309U (en) | 2019-04-09 | 2019-04-09 | Split type concentric servo hydraulic cylinder mechanism |
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| Country | Link |
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| CN (1) | CN210440309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043527A (en) * | 2019-04-09 | 2019-07-23 | 博格华纳汽车零部件(宁波)有限公司 | A kind of separate type concentric servo hydraulic cylinder mechanism |
-
2019
- 2019-04-09 CN CN201920469085.6U patent/CN210440309U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043527A (en) * | 2019-04-09 | 2019-07-23 | 博格华纳汽车零部件(宁波)有限公司 | A kind of separate type concentric servo hydraulic cylinder mechanism |
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