CN110864054A

CN110864054A - Separation and reunion cylinder, separation and reunion system and vehicle

Info

Publication number: CN110864054A
Application number: CN201911180419.9A
Authority: CN
Inventors: 吕孟理; 崔英; 胡俊生; 汪江; 马成
Original assignee: Anhui Jianghuai Automobile Group Corp
Current assignee: Anhui Jianghuai Automobile Group Corp
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-03-06
Anticipated expiration: 2039-11-27
Also published as: CN110864054B

Abstract

The invention discloses a clutch cylinder, a clutch system and a vehicle, wherein the clutch cylinder comprises a cylinder body, a push rod, a dust cover, an oil inlet pipe, a deformation piece and a piston, the oil inlet pipe is communicated with an oil outlet pipe of a clutch main cylinder and is connected with the cylinder body, the deformation piece is arranged in the cylinder body and is positioned at one end close to the oil inlet pipe, the piston is arranged in the cylinder body, the first end of the piston is connected with the deformation piece, the first end of the push rod is nested in the second end of the piston, the second end of the push rod extends out of the cylinder body and is connected with a separation shifting fork of the clutch system, a pendulum body structure is arranged on the push rod, and when the push rod moves along the length direction of the cylinder body, the pendulum body structure can swing on the push rod along the length direction of the cylinder. The clutch cylinder can effectively weaken or eliminate the axial force borne by the push rod.

Description

Separation and reunion cylinder, separation and reunion system and vehicle

Technical Field

The invention relates to the field of vehicles, in particular to a clutch cylinder, a clutch system and a vehicle.

Background

The common manual transmission passenger car is matched with a clutch system, which mainly comprises: the clutch device comprises a clutch cylinder, a release fork, a release bearing, a clutch main cylinder oil outlet pipe, a clutch main cylinder and a clutch pedal.

When a clutch system of a vehicle is used, a clutch cylinder separating push rod inevitably bears certain axial force fluctuation in the process of stepping down a clutch pedal, and the fluctuating axial force comes from axial excitation of a crankshaft and a larger end jumping quantity of a separating finger on a clutch pressure plate cover when an engine is ignited. The excitation is transmitted to a clutch release bearing through a clutch, then transmitted to a clutch cylinder push rod of a clutch cylinder through a release fork, and further transmitted to a clutch main cylinder oil outlet pipe and a clutch main cylinder through a clutch cylinder piston, a clutch cylinder inner spring and a clutch cylinder oil inlet pipe, so that the clutch pedal shakes.

The foregoing is merely for the understanding of the present disclosure and is not admitted to be prior art.

Disclosure of Invention

The invention mainly aims to provide a clutch cylinder, a clutch system and a vehicle, and aims to solve the problem that a push rod of the clutch cylinder cannot weaken the fluctuation of the borne axial force in the prior art.

In order to achieve the purpose, the clutch cylinder comprises a cylinder body, a push rod, an oil inlet pipe, a deformation piece and a piston, wherein the oil inlet pipe is communicated with an oil outlet pipe of a clutch main cylinder and is connected with the cylinder body, the deformation piece is arranged in the cylinder body and is positioned at one end close to the oil inlet pipe, the piston is arranged in the cylinder body, a first end of the piston is connected with the deformation piece, a first end of the push rod is nested in a second end of the piston, a second end of the push rod extends out of the cylinder body and is connected with a separation shifting fork of a clutch system, a swing body structure is arranged on the push rod, and when the push rod moves along the length direction of the cylinder body, the swing body structure can swing on the push rod along the length direction of the cylinder body.

In an embodiment, the pendulum structure includes a pin, two swinging members, and two swinging planes formed on the push rod and symmetrically arranged with respect to the push rod, a communication hole is formed through the push rod, two ends of the communication hole are respectively communicated with the two swinging planes, the two swinging members are respectively and correspondingly disposed on the two swinging planes, and the pin is inserted through the two swinging planes and the two swinging members.

In an embodiment, the swinging member includes a swinging ring and a supporting wall disposed in the swinging ring, an end of the supporting wall is connected to an inner wall surface of the swinging ring, an arc-shaped groove is formed on the supporting wall, the pin shaft is disposed in the arc-shaped groove in a penetrating manner, and when the push rod moves along the length direction of the cylinder body, the swinging ring swings on the swinging plane.

In an embodiment, the pin shaft includes a head portion and a tail portion coaxially disposed on an end surface of the head portion, a radius of the head portion is larger than a radius of the tail portion, and an end surface of the head portion close to the tail portion can abut against a wall surface of the abutting wall.

In an embodiment, the pendulum body structure further comprises a shaft cap, and the shaft cap is mounted at one end of the tail part far away from the head part.

In one embodiment, the shaft cap comprises a body, a mounting groove is formed on the body, and one end of the tail part, which is far away from the head part, is arranged in the mounting groove.

In one embodiment, the radius of the mounting groove is smaller than the radius of the tail portion.

In one embodiment, the clutch cylinder further comprises an exhaust pin, and the exhaust pin is arranged on the cylinder body.

The invention also provides a clutch system, which comprises a clutch pedal, a clutch main cylinder, an oil outlet pipe, a separation shifting fork, a release bearing, a speed changer and the clutch sub-cylinder, wherein the clutch pedal and the speed changer are arranged on a vehicle, the clutch sub-cylinder is arranged on the speed changer, the first end of the clutch main cylinder is connected with the clutch pedal, the second end of the clutch main cylinder is connected with the first end of the oil outlet pipe, the second end of the oil outlet pipe is connected with an oil inlet pipe of the clutch sub-cylinder, the first end of the separation shifting fork is connected with a push rod of the clutch sub-cylinder, and the second end of the separation shifting fork is connected with the release bearing.

In addition, the invention also provides a vehicle which comprises the clutch system.

According to the technical scheme, the pendulum body structure is arranged on the push rod, so that when the push rod moves along the length direction of the cylinder body, the axial force sequentially transmitted to the push rod from the clutch can be weakened by swinging the pendulum body structure on the push rod along the length direction of the cylinder body, the axial force borne by the push rod can be effectively weakened or eliminated, and the problem of shaking of the clutch pedal can be effectively solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a clutch cylinder according to an embodiment of the invention;

FIG. 2 is a schematic structural diagram of a push rod according to an embodiment of the present invention;

FIG. 3 is a schematic diagram illustrating a split pendulum structure according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a pendulum mass configuration according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a clutch system according to an embodiment of the invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Cylinder body	20	Push rod
30	Dust cover	40	Oil inlet pipe
				50	Deformation piece	60	Piston
70	Pendulum structure	71	Pin shaft
				711	Head part	712	Tail part
72	Swinging member	721	Swinging ring
				722	Supporting wall	723	Arc-shaped groove
73	Swing plane	74	Communicating hole
				75	Shaft cap	751	Body
752	Mounting groove	100	Clutch cylinder
				200	Separation shifting fork	300	Release bearing
400	Oil outlet pipe	500	Clutch master cylinder
				600	Clutch pedal	700	Speed variator

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The invention provides a clutch cylinder 100.

As shown in fig. 1 and 2, the clutch cylinder 100 provided by the present invention includes a cylinder body 10, a push rod 20, an oil inlet pipe 40, a deformation element 50, and a piston 60, wherein the oil inlet pipe 40 is communicated with an oil outlet pipe 400 of a clutch master cylinder 500 and is connected with the cylinder body 10, the deformation element 50 is disposed in the cylinder body 10 and is located at an end close to the oil inlet pipe 40, the piston 60 is disposed in the cylinder body 10, a first end of the piston 60 is connected with the deformation element 50, a first end of the push rod 20 is nested in a second end of the piston 60, a second end of the push rod 20 extends out of the cylinder body 10 and is connected with a separation fork 200 of a clutch system, a pendulum structure 70 is disposed on the push rod 20, and when the push rod 20 moves along a length direction of the cylinder body 10, the pendulum structure 70.

In the present embodiment, during the process of depressing the clutch pedal 600, the push rod 20 of the clutch cylinder 100 is inevitably subjected to axial excitation from the crankshaft during ignition of the engine, so that the push rod 20 is subjected to a certain axial force fluctuation, and by providing the pendulum structure 70 on the push rod 20, when the push rod 20 moves along the length direction of the cylinder block 10, the axial force sequentially transmitted from the clutch to the push rod 20 can be weakened by swinging the pendulum structure 70 on the push rod 20 along the length direction of the cylinder block 10, so that not only the axial force borne on the push rod 20 can be effectively weakened or eliminated, but also the problem of shaking of the clutch pedal 600 can be effectively solved.

Meanwhile, in an alternative embodiment, the deforming member 50 may be a spring, and the clutch cylinder 100 further includes a dust cover 30, the dust cover 30 is covered on the push rod 20, and the pendulum structure 70 can be covered in the dust cover 30, so as to prevent the pendulum structure 70 from being contaminated, and to prolong the service life of the pendulum structure 70.

Referring to fig. 3, the pendulum structure 70 includes a pin 71, two swinging members 72, and two swinging planes 73 symmetrically arranged with respect to the push rod 20, a communication hole 74 is formed through the push rod 20, two ends of the communication hole 74 are respectively communicated with the two swinging planes 73, the two swinging members 72 are respectively and correspondingly disposed on the two swinging planes 73, and the pin 71 is inserted through the two swinging planes 73 and the two swinging members 72. In this embodiment, when the pin 71 is inserted into the two swinging members 72 and the communication hole 74, since the portion of the pin 71 located inside the push rod 20 is in interference connection with the communication hole 74, when the push rod 20 moves along the length direction of the cylinder 10, the pin 71 does not swing and moves together with the push rod 20, and since the swinging member 72 is hung on the pin 71, the swinging member 72 can swing along the length direction of the cylinder 10, so as to achieve the purpose of damping, in an optional embodiment, the swinging member 72 can be a rubber deformation member 50, so as to further improve the damping effect of the swinging member 72.

Specifically, the swinging member 72 includes a swinging ring 721 and a supporting wall 722 arranged in the swinging ring 721, an end of the supporting wall 722 is connected with an inner wall surface of the swinging ring 721, an arc-shaped groove 723 is formed on the supporting wall 722, the pin shaft 71 is inserted in the arc-shaped groove 723, and when the push rod 20 moves along the length direction of the cylinder 10, the swinging ring 721 swings on the swinging plane 73. In the present embodiment, the arc-shaped groove 723 is formed on the abutting wall 722, so that when the swinging ring 721 swings on the pin 71, the pin 71 slides in the arc-shaped groove 723 to achieve the purpose of shock absorption.

Referring to fig. 3 and 4, the pin 71 includes a head 711 and a tail 712 coaxially disposed on an end surface of the head 711, the radius of the head 711 is larger than that of the tail 712, and the end surface of the head 711 close to the tail 712 can abut against a wall surface of the abutting wall 722. In this embodiment, since the radius of the head 711 is greater than the radius of the tail 712, and the end surface of the head 711 close to the tail 712 can abut against the wall surface of the abutting wall 722, when the pin 71 is separated from the communication hole 74, the head 711 of the pin 71 can still abut against the abutting wall 722 of the swinging member 72, so that the pin 71 can still slide in the communication hole 74, thereby ensuring the normal use of the damping function of the swinging body structure 70, and further ensuring the normal use of the push rod 20.

In an alternative embodiment, the pendulum structure 70 further comprises a shaft cap 75, and the shaft cap 75 is mounted on an end of the tail portion 712 far from the head portion 711. In the embodiment, the shaft cap 75 is mounted on the end of the tail portion 712 away from the head portion 711, so that both ends of the pin 71 cannot be separated from the communication hole 74, and the normal use of the damping function of the pendulum structure 70 is further ensured.

Specifically, the shaft cap 75 includes a body 751, wherein the body 751 is formed with a mounting groove 752, one end of the tail portion 712 far from the head portion 711 is disposed in the mounting groove 752, and the radius of the mounting groove 752 is smaller than that of the tail portion 712. The tail portion 712 is not separated from the mounting groove 752 by interference coupling the tail portion 712 with the mounting groove 752, but may be coupled by a fastener in other embodiments.

In addition, the clutch cylinder 100 further includes an exhaust pin, and the exhaust pin is disposed on the cylinder block 10. In the present embodiment, by providing the exhaust pin, it is possible to exhaust the gas in the clutch cylinder 100 through the exhaust pin

Further, referring to fig. 5, the present invention further provides a clutch system, where the clutch system includes a clutch pedal 600, a clutch main cylinder 500, an oil outlet pipe 400, a release fork 200, a release bearing 300, a transmission 700, and a clutch sub cylinder 100, the clutch pedal 600 and the transmission 700 are mounted on a vehicle, the clutch sub cylinder 100 is mounted on the transmission 700, a first end of the clutch main cylinder 500 is connected to the clutch pedal 600, a second end of the clutch main cylinder 500 is connected to a first end of the oil outlet pipe 400, a second end of the oil outlet pipe 400 is connected to an oil inlet pipe 40 of the clutch sub cylinder 100, a first end of the release fork 200 is connected to a push rod 20 of the clutch sub cylinder 100, and a second end of the release fork 200 is connected to the release bearing 300.

Further, the invention also provides a vehicle, and the vehicle comprises the clutch system. Since the vehicle adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a separation and reunion divides jar, its characterized in that, separation and reunion divides jar includes cylinder body, push rod, advances oil pipe, deformation and piston, advance oil pipe and separation and reunion master cylinder go out oil pipe intercommunication and with the cylinder body is connected, deformation set up in the cylinder body and be located near advance oil pipe's one end, the piston set up in the cylinder body, the first end of piston with deformation connects, the first end of push rod nested in the second end of piston, the second end of push rod stretches out the cylinder body is connected with clutch system's separation shift fork, be equipped with the pendulum body structure on the push rod, the push rod is following during the length direction motion of cylinder body, the pendulum body structure can follow on the push rod the length direction swing of cylinder body.

2. The clutch cylinder according to claim 1, wherein the pendulum structure comprises a pin, two swinging members and two swinging planes formed on the push rod and symmetrically arranged with respect to the push rod, a communication hole is formed through the push rod, two ends of the communication hole are respectively communicated with the two swinging planes, the two swinging members are respectively correspondingly disposed on the two swinging planes, and the pin is inserted through the two swinging planes and the two swinging members.

3. The clutch cylinder according to claim 2, wherein the oscillating member includes a swinging ring and a supporting wall disposed in the swinging ring, an end of the supporting wall is connected to an inner wall surface of the swinging ring, an arc-shaped groove is formed in the supporting wall, the pin shaft is inserted into the arc-shaped groove, and when the push rod moves along a length direction of the cylinder body, the swinging ring oscillates on the swinging plane.

4. The clutch cylinder assembly as claimed in claim 3, wherein the pin includes a head portion and a tail portion coaxially disposed on an end surface of the head portion, the radius of the head portion is greater than that of the tail portion, and the end surface of the head portion close to the tail portion can abut against a wall surface of the abutting wall.

5. The clutched cylinder of claim 4, wherein the pendulum structure further comprises an axle cap mounted to an end of the tail portion distal from the head portion.

6. The clutch cylinder assembly as defined in claim 5, wherein said shaft cap includes a body having a mounting slot formed therein, said tail portion being disposed in said mounting slot at an end thereof remote from said head portion.

7. The clutched cylinder of claim 6, wherein a radius of the mounting slot is less than a radius of the tail portion.

8. The clutched cylinder of any one of claims 1-7, further comprising an exhaust pin disposed on the cylinder block.

9. The utility model provides a clutch system, its characterized in that, clutch system includes clutch pedal, clutch master cylinder, goes out oil pipe, separation shift fork, release bearing, derailleur and according to any one of claims 1-8 the separation and reunion cylinder, clutch pedal, the derailleur is installed on the vehicle, the separation and reunion cylinder install in on the derailleur, clutch master cylinder's first end with the clutch pedal is connected, clutch master cylinder's second end is connected with the first end that goes out oil pipe, go out oil pipe the second end with the oil inlet pipe of separation and reunion cylinder is connected, separation shift fork's first end with the push rod of separation and reunion cylinder is connected, separation shift fork's second end with release bearing connects.

10. A vehicle, characterized in that the vehicle comprises a clutch system according to claim 9.