CN213298641U

CN213298641U - Piston integrated clutch slave cylinder

Info

Publication number: CN213298641U
Application number: CN202021848205.2U
Authority: CN
Inventors: 马彬; 陈甸; 余耀迪
Original assignee: Zhejiang Birui Auto Parts Co ltd
Current assignee: Zhejiang Birui Auto Parts Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-05-28
Anticipated expiration: 2030-08-28

Abstract

The utility model provides a piston integral type clutch wheel cylinder belongs to clutch technical field. This piston integral type clutch wheel cylinder, including the ball seat, one side of ball seat is connected with the dust cover, and one side of dust cover is connected with the pump body through the cassette, and the inside of the pump body is provided with the spring holder, one side of spring holder is connected with the spring, and the bottom of the pump body is connected with the gassing screw. The utility model discloses in the use, this kind of clutch wheel cylinder piston, bulb and push rod are as a whole, and the piston front end is used for installing the leather cup, has annular groove and guide pillar on it, and in the leather cup was packed into the recess along the guide pillar, there was certain interference between leather cup inner circle and the guide pillar to be used for sealing, and guide pillar center cavity is used for installing the spring holder, and the design has the clamping ring on the spring holder, and in the leather cup recess was gone into to the clamping ring card when the piston was impressed to the spring holder, it was not hard up to prevent that the leather cup from moving to.

Description

Piston integrated clutch slave cylinder

Technical Field

The utility model belongs to the technical field of the clutch, a piston integral type clutch wheel cylinder is related to.

Background

The clutch master cylinder is connected with a clutch pedal and is connected with a clutch booster through an oil pipe, the clutch master cylinder is used for collecting pedal stroke information and enabling the clutch to be separated through the action of the booster, when a driver steps on the clutch pedal, a push rod pushes a master cylinder piston to increase oil pressure, the oil pressure enters the branch pump through a hose, a branch pump pull rod is forced to push a separation fork, and a separation bearing is pushed forwards; when the driver releases the clutch pedal, the hydraulic pressure is released, the separating fork gradually returns to the original position under the action of the return spring, the clutch is in the joint state, the middle part of the piston of the clutch master cylinder is provided with a radial long round through hole, the direction limiting screw penetrates through the long round hole of the piston to prevent the piston from rotating, the oil inlet valve is arranged in the axial hole at the left end of the piston, and the oil inlet valve seat is inserted in the piston hole through the straight hole on the surface of the piston.

Current piston integral type clutch wheel cylinder in the use, in the packing cup recess was gone into to the clamping ring card when the spring holder impresses the piston, the packing cup was not hard up easily to lead to the user to use inconvenient, current piston integral type clutch wheel cylinder in addition, manufacturing cost is higher, and push rod and piston rod installation arouse bad risk easily, thereby has influenced the practicality of piston integral type clutch wheel cylinder.

Disclosure of Invention

The utility model aims at having above-mentioned problem to current technique, provided a piston integral type clutch wheel cylinder, not hard up easily in order to solve the leather cup, manufacturing cost is higher, and push rod and piston rod installation arouse the problem of bad risk easily.

The purpose of the utility model can be realized by the following technical proposal: a piston integrated clutch slave cylinder comprises a ball seat, wherein one side of the ball seat is connected with a dust cover, one side of the dust cover is connected with a pump body through a clamping seat, a spring seat is arranged in the pump body, one side of the spring seat is connected with a spring, and the bottom of the pump body is connected with a deflation screw; one side of the pump body is connected with a piston extending into the dust cover, a leather cup is installed at one end of the piston, a guide pillar and an annular groove are respectively formed in the top of the piston, a pressing ring is connected to the other side of the spring seat and abuts against the leather cup, a push rod is installed at the other end of the piston, a ball head is installed at the other end of the push rod, and the ball head is located inside the ball seat.

Preferably, the ball head, the push rod and the piston are integrally formed.

Preferably, the annular groove is matched with the leather cup.

Preferably, an annular mounting groove is formed in the leather cup and is matched with the compression ring.

Preferably, the push rod is provided with a plurality of reinforcing ribs.

Preferably, the deflation screw is detachably arranged with the pump body through threads.

Preferably, the spring is made of manganese steel.

Preferably, the dust cover is made of butadiene-acrylonitrile rubber.

Compared with the prior art, the utility model has the advantages of it is following: the utility model discloses a be provided with annular groove, the guide pillar, a spring, a piston, a push rod, bulb and spring holder, in the use, this kind of clutch wheel cylinder piston, push rod and bulb are as an organic whole, the piston front end is used for installing the leather cup, there are annular groove and guide pillar on it, the leather cup is packed into in the annular groove along the guide pillar, there is certain interference for sealing between leather cup inner circle and the guide pillar, hollow being used for installing the spring holder in the guide pillar center, the design has the clamping ring on the spring holder, the clamping ring card is gone into in the annular mounting groove of leather cup when the spring holder is impressed the piston, prevent that the leather cup is not hard up, thereby convenient to use person uses, the middle of the piston and tail end part are push rod and bulb, be used for transmitting power, tail end part is the bulb for ball seat installation, this kind of structure has left out the assembly step between push, the piston integrated clutch slave cylinder can transmit hydraulic thrust more effectively, and product performance is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a spring seat of the present invention;

FIG. 3 is a schematic structural view of a piston according to the present invention;

fig. 4 is the mounting structure schematic diagram of the middle spring seat, the leather cup and the piston of the present invention.

In the figure: 1. a ball seat; 2. a dust cover; 3. a piston; 4. a card holder; 5. a leather cup; 6. a spring seat; 7. a pump body; 8. a spring; 9. an air release screw; 10. pressing a ring; 11. a ball head; 12. a guide post; 13. an annular groove; 14. a push rod.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

As shown in fig. 1-4, the piston integrated clutch slave cylinder comprises a ball seat 1, a dust cover 2, a piston 3, a clamping seat 4, a leather cup 5, a spring seat 6, a pump body 7, a spring 8, a deflation screw 9, a compression ring 10, a ball head 11, a guide post 12, an annular groove 13 and a push rod 14, wherein one side of the ball seat 1 is connected with the dust cover 2, one side of the dust cover 2 is connected with the pump body 7 through the clamping seat 4, the spring seat 6 is arranged inside the pump body 7, one side of the spring seat 6 is connected with the spring 8, and the bottom of the pump body 7 is; one side of the pump body 7 is connected with the piston 3 that extends to the inside of dust cover 2, and leather cup 5 is installed to the one end of piston 3, and the top of piston 3 is provided with guide pillar 12 and annular groove 13 respectively, and the opposite side of spring holder 6 is connected with clamping ring 10, and clamping ring 10 supports and leans on leather cup 5, and push rod 14 is installed to the other end of piston 3, and bulb 11 is installed to the other end of push rod 14, and bulb 11 is in the inside of ball seat 1.

Please refer to fig. 1, 3 and 4, the ball 11, the push rod 14 and the piston 3 are integrally formed, and the push rod 14 is provided with four reinforcing ribs, so that the strength of the piston can be improved, and the product performance can be improved.

Please refer to fig. 1, 3 and 4, the annular groove 13 is adapted to the cup 5 to facilitate the assembly between the cup and the piston. An annular mounting groove is formed in the leather cup 5, and the annular mounting groove is matched with the pressing ring 10, so that the assembly between the spring seat and the leather cup is facilitated.

Please refer to fig. 1, the air release screw 9 is detachably disposed with the pump body 7 through a screw thread, so as to improve the practicability.

In the present embodiment, the spring 8 is made of manganese steel, and the dust cover 2 is made of butadiene-acrylonitrile rubber. The clutch slave cylinder is made of the material, so that the using effect and the service life of the clutch slave cylinder are improved.

The working principle is as follows: firstly, in the using process, the piston 3, the push rod 14 and the ball 11 of the clutch wheel cylinder are integrated, the front end of the piston 3 is used for installing the leather cup 5, the leather cup is provided with an annular groove 13 and a guide post 12, the leather cup 5 is arranged in the annular groove 13 along the guide post 12, a certain interference exists between the inner ring of the leather cup 5 and the guide post 12 for sealing, the center of the guide post 12 is hollow and is used for installing the spring seat 6, the spring seat 6 is provided with the press ring 10, the press ring 10 is clamped in the annular installing groove of the leather cup when the spring seat 6 is pressed into the piston 3, the leather cup 5 is prevented from loosening, so that the clutch wheel cylinder is convenient for a user to use, the middle part and the tail end part of the piston 3 are the push rod and the ball and are used for transmitting power, the middle straight rod part is provided with four reinforcing ribs for increasing the, meanwhile, the risk caused by poor installation of the push rod and the piston 3 is avoided, so that the piston integrated clutch slave cylinder can transmit hydraulic thrust more effectively, and the product performance is improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms ball seat 1, dust cover 2, piston 3, clamping seat 4, cup 5, spring seat 6, pump body 7, spring 8, bleeder screw 9, compression ring 10, ball 11, guide post 12, annular groove 13, and pushrod 14 are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. Piston integral type clutch wheel cylinder, including ball seat (1), its characterized in that: one side of the ball seat (1) is connected with a dust cover (2), one side of the dust cover (2) is connected with a pump body (7) through a clamping seat (4), a spring seat (6) is arranged inside the pump body (7), one side of the spring seat (6) is connected with a spring (8), and the bottom of the pump body (7) is connected with a deflation screw (9); one side of the pump body (7) is connected with a piston (3) extending to the inside of the dust cover (2), a leather cup (5) is installed at one end of the piston (3), a guide pillar (12) and an annular groove (13) are respectively arranged at the top of the piston (3), a pressing ring (10) is connected to the other side of the spring seat (6), the pressing ring (10) is abutted against the leather cup (5), a push rod (14) is installed at the other end of the piston (3), a ball head (11) is installed at the other end of the push rod (14), and the ball head (11) is located inside the ball seat (1).

2. The piston-integrated clutch slave cylinder according to claim 1, characterized in that the ball head (11), the push rod (14) and the piston (3) are integrally formed.

3. The piston-integrated clutch cylinder as claimed in claim 1, characterized in that the annular groove (13) is adapted to the cup (5).

4. The piston integrated clutch slave cylinder according to claim 1, characterized in that an annular mounting groove is formed in the leather cup (5), and the annular mounting groove is matched with the compression ring (10).

5. The piston-integrated clutch cylinder as claimed in claim 2, characterized in that the push rod (14) is provided with a plurality of ribs.

6. The piston-integrated clutch slave cylinder according to claim 1, characterized in that the bleeder screw (9) is detachably provided with the pump body (7) by a screw thread.

7. The piston integrated clutch slave cylinder according to claim 1, characterized in that the spring (8) is made of manganese steel.

8. The piston integrated clutch slave cylinder according to claim 1, characterized in that the dust cover (2) is made of butadiene-acrylonitrile rubber.