CN204200901U - A kind of high pressure resistant clutch working cylinder - Google Patents

Abstract

The utility model provides a high-pressure resistant clutch working cylinder, which comprises an oil inlet seat assembly, a pump body assembly, a cylinder liner assembly, a piston assembly and an oil seal assembly. The oil inlet seat assembly includes an oil inlet pipeline, an air discharge pipeline and an oil outlet pipeline. The body assembly includes an oil passage and a pump body connected to one end of the oil passage. The cylinder liner assembly is placed in the pump body of the pump body assembly, and a sealing ring is provided at the gap between the first depression of the cylinder liner assembly and the inner wall of the pump body. A fastening ring is provided between the second depression of the cylinder liner assembly and the inner wall of the pump, the piston assembly includes a piston and a bearing fixing seat assembly, the oil seal assembly includes an oil seal, and the inner lower end of the cylinder liner assembly is provided with an oil seal. The utility model has the beneficial effects of adopting the double sealing form and increasing the bonding strength of the cylinder body by using the fastening ring form, which can ensure normal use in the limit state; at the same time, the dustproof cover is provided to prevent dust from entering the working cylinder; The air release pipe is provided with an air release oil nozzle, which is convenient for releasing the gas in the working cylinder.

Description

A kind of high pressure resistant clutch working cylinder

technical field

The utility model belongs to the technical field of automobiles, in particular to a working cylinder of a high-voltage resistant clutch.

Background technique

The clutch is installed between the engine and the transmission, and is an assembly directly connected with the engine in the car drive train. Usually the clutch is installed together with the crankshaft flywheel of the engine, and it is a component that cuts off and transmits power between the engine and the car drive train. Sometimes the automobile gearbox will fail under extreme conditions (high temperature, abnormal operation of the driver), resulting in the failure of the automobile transmission system; Party B releases the gas in the working cylinder by rotating the screw. The sealing effect of the screw is not good, and sometimes it is not convenient to operate due to the increase of the temperature of the screw.

Contents of the invention

The purpose of the utility model is to provide a high-voltage resistant clutch working cylinder, which has a simple structure, prevents dust from entering the cylinder, can ensure normal use under extreme conditions, and can easily discharge the gas in the working cylinder.

The technical solution of the utility model is: a high pressure resistant clutch working cylinder, including an oil inlet seat assembly, a pump body assembly, a cylinder liner assembly, a piston assembly and an oil seal assembly, wherein:

The oil inlet seat assembly includes an oil inlet pipeline, an air discharge pipeline and an oil outlet pipeline. The oil inlet pipeline communicates with the air outlet pipeline, and the oil inlet pipeline communicates with the oil outlet pipeline. One end of the oil inlet pipeline is an oil inlet hole. There is a plug inside, and the outer wall of the blocked plug is provided with an annular groove, and the annular groove is covered with a first O-ring. One end of the vent hole is an air release hole, and the air release hole is built with air release oil. The oil outlet pipeline is provided with a one-way valve and a cylindrical sealing ring in sequence. The other end of the oil pipeline is connected with the connecting pipe, and the air release nozzle is made of plastic;

The pump body assembly includes an oil passage and a pump body connected to one end of the oil passage. The inner diameter of the oil passage decreases in turn toward the pump body, and a second O-ring is arranged in the oil passage. The opening end of the pump body is provided with a sealing ring groove, and the sealing ring groove is provided with a rectangular sealing ring, the lower surface of the rectangular sealing ring is in contact with the lower end protrusion of the cylinder liner assembly, and the other end of the connecting pipe is in contact with the communication pipe. The other end of the oil channel is connected;

The cylinder liner assembly is placed in the pump body of the pump body assembly, a sealing ring is provided at the gap between the first depression of the cylinder liner assembly and the inner wall of the pump body, and a fastening ring is provided between the second depression of the cylinder liner assembly and the inner wall of the pump body. ring, the material of the fastening ring is steel material, one side of the fastening ring is provided with a circular chamfer, and the circular chamfer faces the first depression;

The piston assembly includes a piston and a bearing holder assembly, the piston is placed in the bearing holder assembly, and the outer groove of the piston corresponds to the slot in the bearing holder assembly, and the upper end of the piston is arranged between the bearing holder assembly. There is a dish washer, the lower end of the piston is provided with a groove, the groove is placed with a cup, a spring is arranged between the piston assembly and the cylinder liner assembly, and one end of the spring is fixed on the upper spring block seat of the bearing fixing seat assembly, The other end is placed on the lower spring block seat of the pump body;

The oil seal assembly includes an oil seal, the inner lower end of the cylinder liner assembly is provided with an oil seal, the oil seal is provided with a steel wire mesh, the inner upper end of the cylinder liner assembly is provided with an internal thread that matches the external thread of the locking piece, and the lock The mouth piece is fixed on the inner upper end of the cylinder liner assembly.

Further, the protrusion of the cylinder liner assembly matches with the groove in the pump body to fix the cylinder liner assembly in the pump body.

Further, the oil passage is provided with two arc grooves, and the two ends of the circlip pass through the arc grooves respectively, and are in contact with the outer wall of the connecting pipe of the oil inlet seat assembly.

Further, a groove hole for placing a circlip is provided in the air release pipe, and the two ends of the circlip pass through the groove hole and contact the outer wall of the air release nozzle.

Further, at least one positioning sleeve is provided on the outside of the pump body.

Further, there are three positioning sleeves.

Further, the material of the oil seal is steel or rubber, and the material of the positioning sleeve is steel.

Furthermore, the outer end of the air release oil nozzle is provided with an air release oil nozzle cover, and the oil inlet seat assembly is also provided with a dust cover.

Further, the dust cover is provided with an upper hole and a lower hole, and the outer side of the oil inlet pipe passes through the upper hole, and the outer side of the air discharge pipe passes through the lower hole.

The advantages and positive effects of the utility model are: due to the adoption of the above-mentioned technical scheme, a double sealing form is adopted, that is, a sealing ring is respectively provided at the gap between the first depression of the cylinder liner assembly and the inner wall of the pump body, and the lower end of the cylinder liner assembly protrudes The rectangular sealing ring between the pump body and the fastening ring is used to increase the bonding strength of the cylinder body, which can ensure that it can still be used normally under the limit state; at the same time, a dust cover can be set to prevent dust from entering the working cylinder; the set release The gas pipe adopts the gas release nozzle, which is convenient to release the gas in the working cylinder.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a sectional view of the utility model.

Fig. 3 is a sectional view in the direction of A of the oil inlet seat assembly of the present invention.

Fig. 4 is a top view of the oil inlet seat assembly of the present invention.

Fig. 5 is the sectional view of each pipeline of the oil inlet seat assembly I-I direction of the utility model.

Fig. 6 is a sectional view of the pump body assembly of the present invention.

Fig. 7 is a sectional view of the cylinder liner assembly of the present invention.

Fig. 8 is a structural schematic diagram of the connection between the pump body assembly and the cylinder liner assembly of the present invention.

Fig. 9 is a schematic structural view of the dustproof cover of the present invention.

In the picture:

1. Oil inlet seat assembly 2. Pump body assembly 3. Cylinder liner assembly

4. Piston assembly 5. Oil seal assembly 6. Oil inlet pipe

7. Air release pipe 8. Oil outlet pipe 9. Oil inlet hole

10. Blockage 11. The first O-ring 12. Flat sealing ring

13. Air release hole 14. Air release nozzle 15. Circlip

16. Groove hole 17. Vent nozzle cover 18. Dust cover

19. Upper hole 20. Lower hole 21. Check valve

22. Cylindrical sealing ring 23. Connecting pipe 24. Oil channel

25. Pump body 26. Second O-ring 27. Rectangular sealing ring

28. Protrusion 29. Piston 30. Bearing holder assembly

31. Disc washer 32. Cup 33. Spring

34. Upper spring stop seat 35. Lower spring stop seat 36. First depression

37. Sealing ring 38. Positioning sleeve 39. Second depression

40. Fastening ring 41. Oil seal 42. Steel wire mesh

43. Locking piece

Detailed ways

The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

As shown in Figures 1 to 9, a high pressure resistant clutch working cylinder includes an oil inlet seat assembly 1, a pump body assembly 2, a cylinder liner assembly 3, a piston assembly 4 and an oil seal assembly 5, wherein: the oil inlet seat assembly 1 Including an oil inlet pipeline 6, an air discharge pipeline 7 and an oil outlet pipeline 8, the oil inlet pipeline 6 communicates with the air outlet pipeline 7, the oil inlet pipeline 6 communicates with the oil outlet pipeline 8, and one end of the oil inlet pipeline 6 is an oil inlet hole 9. The oil inlet hole 9 is provided with a plug 10, the outer wall of the plug 10 is provided with an annular groove, and the annular groove is covered with a first O-ring 11, and the connection between the oil inlet pipe 6 and the air release pipe 7 A flat sealing ring 12 is provided, and one end of the vent pipe 7 is a vent hole 13, and the vent hole 13 has a built-in vent nozzle 14, and the vent pipe 7 is provided with a groove hole 16 for placing a retaining ring 15, and the retaining spring The two ends of 15 pass through the groove hole 16 and contact the outer wall of the air release nozzle 14, the outer end of the air release nozzle 14 is provided with an air discharge nozzle cover 17, and the oil inlet seat assembly 1 is also provided with a dust cover 18, The dust cover 18 is provided with an upper hole 19 and a lower hole 20, and the outside of the oil inlet pipeline 6 passes through the upper hole 19, and the air release pipeline 7 passes through the lower hole 20, and the oil outlet pipeline 8 is successively provided with a single Directional valve 21, cylindrical sealing ring 22, said one-way valve is located at the intersection of oil inlet pipeline 6 and oil outlet pipeline 8, the other end of oil outlet pipeline 8 is connected with connecting pipe 23, and said air release nozzle 14 is plastic ;

The pump body assembly 2 includes an oil passage 24 and a pump body 25 communicated with one end of the oil passage 24. The inner diameter of the oil passage 24 decreases in turn toward the pump body 25, and the oil passage 24 is provided with There is a second O-ring 26, a sealing ring groove is arranged in the opening end of the pump body 25, and a rectangular sealing ring 27 is arranged in the sealing ring groove, and the lower surface of the rectangular sealing ring 27 is protruding from the lower end of the cylinder liner assembly 3. 28 contacts, the other end of the connecting pipe 23 is connected with the other end of the oil passage 24;

The cylinder liner assembly 3 is placed in the pump body 25 of the pump body assembly 2, a sealing ring 37 is provided at the gap between the first depression 36 of the cylinder liner assembly 3 and the inner wall of the pump body 25, and the second depression 39 of the cylinder liner assembly 3 A fastening ring 40 is provided between the inner wall of the pump body 25, and the material of the fastening ring 40 is steel material. One side of the fastening ring 40 is provided with a circular chamfer, and the circular chamfer faces the first a depression;

The piston assembly 4 includes a piston 29 and a bearing holder assembly 30. The piston 29 is placed in the bearing holder assembly 30, and the outer groove of the piston 29 corresponds to the inner groove of the bearing holder assembly 30. The upper end of the piston 29 is connected to the A disc washer 31 is arranged between the bearing fixing seat assembly 30, a groove is arranged at the lower end of the piston 29, and a leather cup 32 is placed in the groove, a spring 33 is arranged between the piston assembly 4 and the cylinder liner assembly 3, and one end of the spring 33 It is fixed on the upper spring block seat 34 of the bearing fixing seat assembly 30, and the other end is placed at the lower spring block seat 35 of the pump body 25. The protrusion on the outside of the piston assembly 4 is in line with the groove in the pump body 25 cooperate to make the piston assembly 4 fixed in the pump body 25,

The oil seal assembly 5 includes an oil seal 41, the inner lower end of the cylinder liner assembly 3 is provided with an oil seal 41, the oil seal 41 is provided with a steel wire mesh 42, and the inner upper end of the cylinder liner assembly 3 is provided with a locking member 43 outside. The inner thread matched with the screw thread, the lock piece 43 is fixed on the inner upper end of the cylinder liner assembly 3 .

In this embodiment, the oil passage 24 is provided with two arc grooves, and the two ends of the clip spring 15 pass through the arc grooves respectively, and are in contact with the outer wall of the connecting pipe 23 of the oil inlet seat assembly 1, The outer side of the pump body 25 is provided with three positioning sleeves 38, the material of the oil seal 41 is steel or rubber, and the material of the positioning sleeve 44 is steel.

The working process of this example: before work, the clutch working cylinder is fixed on the car inner box by three positioning sleeves 38, and the blockage 10 at the oil inlet hole 9 is removed, and the oil inlet hole 9 passes through the oil outlet of the pipeline and the clutch master cylinder. port connected, the clutch working cylinder can be used at this time. A double-sealed form is adopted, that is, a sealing ring 37 is provided at the gap between the first depression 36 of the cylinder liner assembly 3 and the inner wall of the pump body 25, and the rectangular sealing ring 27 between the lower end of the cylinder liner assembly 3 and the pump body 25 is used. The form of fastening ring 40 increases the bonding strength of the cylinder body, which can ensure that it can still be used normally under the limit state; at the same time, a dust cover 18 can be set to prevent dust from entering the working cylinder; The gas oil nozzle 14 is convenient for releasing the gas in the working cylinder.

An embodiment of the present utility model has been described in detail above, but the content described is only a preferred embodiment of the present utility model, and cannot be considered as limiting the implementation scope of the present utility model. All equal changes and improvements made according to the application scope of the utility model should still belong to the scope covered by the patent of the utility model.

Claims (8)

1. a high pressure resistant clutch working cylinder, comprise oil-feed holder assembly, pump assembly, cylinder sleeve component, piston assembly and Oil sealing assembly, it is characterized in that: described oil-feed holder assembly comprises inflow pipeline, atmospheric pipe and flowline, inflow pipeline communicates with atmospheric pipe, inflow pipeline communicates with flowline, inflow pipeline one end is oil inlet hole, blocking is provided with in this oil inlet hole, the plug outer wall of described blocking is provided with annular groove, annular groove cover has an O type circle, described inflow pipeline and atmospheric pipe joint are provided with planar seal ring, one end of atmospheric pipe is vent hole, described vent hole is built-in with venting oil, one-way valve is provided with successively in described flowline, column sealed circle, described one-way valve is located at inflow pipeline and oil outlet tube infall, the other end of flowline is connected with connecting tube, described venting oil nozzle is plastics, the pump housing that described pump assembly comprises logical oily passage and is connected with logical oily passage end, described logical oily channel lumen reduces successively towards pump housing direction internal diameter, and be provided with the 2nd O type circle in logical oily passage, seal groove is provided with in pump housing opening end, rectangular seal is provided with in described seal groove, the lower surface of described rectangular seal and the lower end projection contacts of cylinder sleeve component, the other end of described connecting tube is connected with the other end of logical oily passage, described cylinder sleeve component is placed in the pump housing of pump assembly, first depression of cylinder sleeve component is provided with seal ring with the gap of pump housing inwall, fastening ring is provided with between second depression of cylinder sleeve component and pump housing inwall, the material of described fastening ring is Steel material, the side of described fastening ring is provided with annulus chamfering, and described annulus chamfering is towards the first depression, described piston assembly comprises piston, bearing fixed seat assembly, described piston is placed in bearing fixed seat assembly, and the water jacket of piston is corresponding with the draw-in groove in bearing fixed seat assembly, dish-like packing ring is provided with between piston upper end and bearing fixed seat assembly, the lower end of piston is provided with groove, and this groove places leather cup, is provided with spring between described piston assembly and described cylinder sleeve component, one end of spring is fixed on the upper spring stopper seat of bearing fixed seat assembly, and the other end is placed on the lower spring stopper seat of the pump housing, described Oil sealing assembly comprises oil seal, and in described cylinder sleeve component, lower end is provided with oil seal, is provided with steel wire in oil seal, and in described cylinder sleeve component, upper end is provided with the internal thread matched with locking piece outside thread, and locking piece is fixed on upper end in cylinder sleeve component.

2. the high pressure resistant clutch working cylinder of one according to claim 1, is characterized in that: the incompatible stationary cylinder grip assembly that makes of recess in the projection of described cylinder sleeve component and the pump housing is in the pump housing.

3. the high pressure resistant clutch working cylinder of one according to claim 2, is characterized in that: described logical oily passage is provided with two arc grooves, and the two ends of jump ring are each passed through arc groove, and contacts with the connecting tube outer wall of oil-feed holder assembly.

4. the high pressure resistant clutch working cylinder of one according to claim 1, is characterized in that: be provided with the recess hole for placing jump ring in atmospheric pipe, the two ends of jump ring through recess hole and with the wall contacts of venting oil nozzle.

5. the high pressure resistant clutch working cylinder of one according to claim 4, is characterized in that: the outside of the described pump housing is provided with at least one setting sleeve.

6. the high pressure resistant clutch working cylinder of one according to claim 5, is characterized in that: described setting sleeve is three.

7. the high pressure resistant clutch working cylinder of one according to claim 1, is characterized in that: the material of described oil seal is steel or rubber, and the material of setting sleeve is steel.

8. the high pressure resistant clutch working cylinder of one according to claim 1, is characterized in that: described venting oil nozzle outer end is provided with venting oil nozzle cover, and oil-feed holder assembly is also provided with dust-proof cover.