CN113775669B - Clutch master cylinder with clutch semi-linkage point force adjusting structure and clutch system - Google Patents

Clutch master cylinder with clutch semi-linkage point force adjusting structure and clutch system Download PDF

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Publication number
CN113775669B
CN113775669B CN202111102320.4A CN202111102320A CN113775669B CN 113775669 B CN113775669 B CN 113775669B CN 202111102320 A CN202111102320 A CN 202111102320A CN 113775669 B CN113775669 B CN 113775669B
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China
Prior art keywords
clutch
cylinder
semi
master cylinder
force adjusting
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CN202111102320.4A
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Chinese (zh)
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CN113775669A (en
Inventor
吕孟理
康海波
李广涛
洪文波
钟王
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Anhui Jianghuai Automobile Group Corp
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Anhui Jianghuai Automobile Group Corp
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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
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • 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
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0227—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices
    • F16D2048/023—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices by pedal actuation
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/102—Actuator
    • F16D2500/1026—Hydraulic
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/11—Application
    • F16D2500/1107—Vehicles
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/314—Signal inputs from the user
    • F16D2500/31406—Signal inputs from the user input from pedals
    • F16D2500/31413—Clutch pedal position
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/502—Relating the clutch
    • F16D2500/50293—Reduction of vibrations

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

The invention discloses a clutch master cylinder with a clutch semi-linkage point force adjusting structure and a clutch system. The clutch system comprises a clutch pedal, an oil outlet pipe, a clutch cylinder, a transmission and the clutch master cylinder. The force adjusting mechanism of the clutch master cylinder can provide clutch pedal return resistance when a clutch is combined, and can reduce the clutch pedal return force when the clutch is in semi-linkage, so that the semi-linkage time of the clutch is prolonged, the control difficulty of the semi-linkage position of a driver is reduced, the vehicle pause and flameout risks caused by unskilled and error operation of the semi-linkage point of the clutch are avoided, and the manual driving blocking comfort is improved; the structure has certain adjustment capacity on the semi-linkage position of the clutch, thereby being suitable for the semi-linkage position difference of a vehicle clutch system.

Description

Clutch master cylinder with clutch semi-linkage point force adjusting structure and clutch system
Technical Field
The invention relates to the field of vehicles, in particular to a clutch master cylinder with a clutch semi-linkage point force adjusting structure and a clutch system.
Background
A common manual gear passenger vehicle is matched with a clutch operating system, and the clutch system of the vehicle comprises: the clutch device comprises a clutch main cylinder, a clutch pedal, a clutch main cylinder oil outlet pipe, a clutch cylinder, a release fork, a release bearing, a transmission and the like.
The driver operates the clutch pedal to realize the separation and combination of the vehicle clutch system. The clutch is separated, the power transmission between the speed changer and the engine is disconnected, and the speed changer can shift gears; the clutch is combined, and power can be transmitted between the transmission and the engine. When the clutch is controlled to be combined, a driver needs to master the position of the clutch pedal corresponding to the semi-linkage of the clutch skillfully, the clutch pedal is stopped or slowly loosened to enable the clutch to be combined smoothly when the clutch is in semi-linkage, and the problems that the clutch is quickly combined to enable a vehicle to be in pause and stop due to the fact that the clutch pedal is loosened at the semi-linkage position are solved.
It is difficult to accurately and smoothly control the clutch to be combined at the semi-linkage position of the clutch, the force of the clutch plate does not have obvious change prompt when the clutch is in semi-linkage, the semi-linkage point stroke of the clutch is small, and the clutch can be completely combined), which are one of the important reasons that many novices and drivers who are not skilled in clutch control are unwilling to drive manual-gear vehicles.
Therefore, it is an urgent technical problem in the art to provide a clutch master cylinder capable of effectively avoiding the problems of vehicle jerk and engine stall caused by too fast clutch engagement due to poor operation of the clutch semi-linkage point.
Disclosure of Invention
The invention mainly aims to provide a clutch master cylinder with a clutch semi-linkage point force adjusting structure and a vehicle clutch system, and aims to solve the problems of vehicle pause and engine flameout caused by over-quick clutch combination due to poor clutch semi-linkage point operation in the prior art.
According to one aspect of the invention, a clutch master cylinder with a clutch semi-linkage point force adjusting structure is provided, which comprises a push rod and fork head assembly, a force adjusting mechanism and a cylinder body assembly; wherein,
the push rod and fork head assembly comprises a push rod and a fork head, one end of the push rod is connected with the fork head, and the other end of the push rod is provided with a push head; a cone is arranged in the middle of the push rod, and a cone groove is formed in one side, facing the fork head, of the cone;
the force adjusting structure comprises a shell and a guide body, wherein one end of the shell is provided with a through hole with the diameter smaller than that of the shell, and the other end of the shell is connected with the cylinder body assembly; a convex guide surface is arranged on the inner side wall of the shell, and a first spring is attached to the side wall between the guide surface and the through hole;
the guide body is arranged in the shell and is in sliding fit with the guide surface, one side of the guide body facing the through hole is provided with a plurality of finger bodies which incline inwards, and the tail end of each finger body is provided with an inwards bent finger end; the push head penetrates through the through hole and the guide body and is connected with the cylinder body assembly, and the finger end is matched with the cone groove;
when the clutch pedal is stepped to the bottom, the cone body passes through the through hole and the finger end and enters the other side of the guide body; when the clutch pedal is released, the cone body is gradually close to the finger end, the finger end is buckled with the cone body groove, and the guide body and the first spring enable the push rod not to be rapidly reset; when the clutch pedal is completely released, the cone body enables the finger body to be opened, the finger end is not buckled with the cone body groove any more, and the guide body is reset under the action of the first spring.
Optionally, according to the clutch master cylinder with the clutch semi-linkage point force adjusting structure, a threaded section is arranged at the front end of the push rod, a round hole is formed in one side face of the fork head, and the threaded section can penetrate through the round hole and is fixed on the fork head through two nuts.
Optionally, according to the clutch master cylinder with the clutch semi-linkage point force adjusting structure, the inner side wall of the shell, which is far away from the through hole, is provided with two master cylinder mounting planes and two snap spring mounting arc surfaces, and the master cylinder mounting planes and the snap spring mounting arc surfaces are alternately arranged;
the main cylinder mounting plane is used for being assembled with the cylinder body assembly, clamp spring holes penetrating through the side wall of the shell are formed in the clamp spring mounting arc surface, and the two clamp spring holes are inserted into the clamp spring holes through U-shaped clamp springs.
Optionally, according to the clutch master cylinder with the clutch semi-linkage point force adjusting structure, the cylinder body assembly comprises a connecting pipe, two connecting planes and two connecting arc surfaces are arranged on the outer side wall of the connecting pipe, the connecting planes are matched with the master cylinder mounting plane, and the connecting arc surfaces are matched with the clamp spring mounting arc surfaces;
the connecting cambered surface is axially provided with a plurality of clamp spring grooves, the clamp spring grooves are matched with the clamp spring holes, and the clamp springs can penetrate through the clamp spring grooves and the clamp spring holes, so that the connecting pipe is stably connected with the shell.
Optionally, according to the clutch master cylinder with the clutch semi-linkage point force adjusting structure, the part of the clamp spring corresponding to the clamp spring hole is wavy.
Optionally, according to the clutch master cylinder with the clutch semi-linkage point force adjusting structure, a second spring is further arranged between the guide surface and the cylinder body assembly, and the second spring is used for enabling the guide body to be always located at the position of the guide surface.
Optionally, according to the clutch master cylinder with the clutch semi-linkage point force adjusting structure, the cylinder body assembly includes a cylinder body and a piston rod, one end of the cylinder body is connected with the force adjusting mechanism, the piston rod is arranged inside the cylinder body, one end of the piston rod abuts against the push head, the other end of the piston rod is provided with a return spring, and the return spring abuts against the inner wall surface of the cylinder body.
Optionally, according to the clutch master cylinder with the clutch semi-linkage point force adjusting structure, an oil inlet pipe is further arranged on the side wall of the cylinder body, and the oil inlet pipe is communicated or blocked with the inside of the cylinder body through sliding of the piston rod in the cylinder body.
According to another aspect of the invention, a clutch system is further provided, which comprises a clutch pedal, an oil outlet pipe, a clutch cylinder, a transmission and the clutch master cylinder of any embodiment, wherein the clutch pedal is connected with the fork head, and the clutch pedal can push the push rod and the fork head assembly to move;
one end of the oil outlet pipe is connected with the cylinder body assembly, the other end of the oil outlet pipe is connected with the clutch cylinder, the clutch cylinder is mounted on the transmission, and the transmission is mounted on a vehicle.
Optionally, according to the clutch system of the present invention, the transmission is further provided with a release bearing and a release fork, one end of the release fork is connected to the pushing rod of the clutch cylinder, and the other end of the release fork is connected to the release bearing.
The force adjusting mechanism of the clutch master cylinder can provide clutch pedal return resistance when a clutch is combined, and can reduce the clutch pedal return force when the clutch is in semi-linkage, so that the semi-linkage time of the clutch is prolonged, the control difficulty of the semi-linkage position of a driver is reduced, the vehicle pause and flameout risks caused by unskilled and error operation of the semi-linkage point of the clutch are avoided, and the manual driving blocking comfort is improved; the structure has certain adjustment capacity on the semi-linkage position of the clutch, thereby being suitable for the semi-linkage position difference of a vehicle clutch system.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is an exploded view of a clutch master cylinder according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a clutch master cylinder according to an embodiment of the present invention;
FIG. 3 is a perspective view of a putter and prong assembly in accordance with an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a push rod and prong assembly of the present invention in force;
FIG. 5 is an exploded view of a force modifying structure assembly according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a force adjustment structure assembly according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a force adjustment structure assembly housing according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view of a guide of a force adjustment structure assembly according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a cylinder body of a clutch master cylinder according to an embodiment of the invention;
FIG. 10 is a schematic view of the assembly of the housing and the cylinder of the force adjustment structure assembly according to the embodiment of the present invention;
FIG. 11 is a schematic view of the force adjustment mechanism assembly of the clutch pedal of the present invention;
FIG. 12 is a schematic view of the force adjustment mechanism assembly in the clutch semi-actuated position according to an embodiment of the present invention;
FIG. 13 is a schematic view of the force adjustment structure assembly when the clutch is fully engaged according to the embodiment of the present invention;
FIG. 14 is a schematic view of a force adjustment structure assembly according to an embodiment of the present invention returning to a free state;
FIG. 15 is a schematic view of the clutch master cylinder and clutch pedal assembly according to the embodiment of the invention;
fig. 16 is a schematic structural diagram of a clutch system according to an embodiment of the present invention.
Description of reference numerals: 10-a push rod and jaw assembly; 11-a fork head; 12-a nut; 13-a push rod; 131-a threaded section; 132-an open slot; 133-cone grooves; 134-cone; 135-pushing head;
20-a force adjustment mechanism; 21-a clamp spring; 22-a housing; 221-a through hole; 222-a guide surface; 223-installing a cambered surface by using a clamp spring; 224-master cylinder mounting plane; 225-circlip hole; 23-a first spring; 24-a guide body; 241-finger body; 242-finger tip; 243-cylinder; 25-a second spring;
30-a connecting pipe; 301-connecting the arc surface; 302-connection plane; 303-clamp spring groove; 40-a piston rod; 50-an oil inlet pipe;
100-clutch master cylinder; 200-clutch pedal; 300-clutch master cylinder oil outlet pipe; 400-clutch cylinder separation; 500-disengaging the shift fork; 600-release bearings; 700-transmission.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Referring to fig. 1 to 10, the present invention provides a clutch master cylinder 100 with a clutch semi-linkage point force adjusting structure, which includes a push rod and fork assembly 10, a force adjusting mechanism 20 and a cylinder body assembly; the push rod and fork head assembly 10 comprises a push rod 13 and a fork head 11, wherein one end of the push rod 13 is connected with the fork head 11, and the other end of the push rod is provided with a push head 135; the middle part of the push rod 13 is provided with a cone 134, and one side of the cone 134 facing the fork 11 is provided with a cone groove 133.
The force adjusting structure comprises a shell 22 and a guide body 24, wherein one end of the shell 22 is provided with a through hole 221 with the diameter smaller than that of the shell 22, and the other end of the shell 22 is connected with the cylinder body assembly; the inner side wall of the housing 22 is provided with a convex guide surface 222, and the side wall between the guide surface 222 and the through hole 221 is provided with a first spring 23 in an attaching manner.
The guide body 24 is arranged in the shell 22 and is in sliding fit with the guide surface 222, the whole guide body 24 is a cylinder 243, one side of the guide body 24 facing the through hole 221 is provided with a plurality of inwardly inclined finger bodies 241, and the tail end of each finger body 241 is provided with an inwardly bent finger end 242; the push head 135 passes through the through hole 221 and the guide body 24 and is connected with the cylinder body assembly, and the finger end 242 is matched with the cone groove 133.
When the clutch is implemented, the force adjusting structure of the clutch master cylinder 100 can provide the return resistance of the clutch pedal 200 when the clutch is combined, and can reduce the return force of the clutch pedal 200 when the clutch is in semi-linkage, so that the semi-linkage time of the clutch is prolonged, the control difficulty of the semi-linkage position of a driver is reduced, the vehicle pause and flameout risks caused by unskilled and error operation of the semi-linkage point of the clutch are avoided, and the driving comfort of manual blocking is improved; the structure has certain adjustment capacity on the semi-linkage position of the clutch, thereby being suitable for the semi-linkage position difference of a vehicle clutch system.
When the clutch pedal 200 is stepped on to the bottom, the cone 134 passes through the through hole 221 and the finger tip 242 and enters the other side of the guide body 24, as shown in fig. 11; when the clutch pedal 200 is released, the cone 134 gradually approaches the finger end 242, and the finger end 242 catches the cone groove 133, the guide body 24 and the first spring 23 prevent the push rod 13 from being quickly reset, as shown in fig. 12 and 13; when the clutch pedal 200 is completely released, the cone 134 causes the finger 241 to open, the finger tip 242 no longer catches the cone recess 133, and the guide 24 is returned by the first spring 23, as shown in fig. 14.
Further, as shown in fig. 3 and 4, a threaded section 131 is provided at the front end of the push rod 13, an open slot 132 is provided between the threaded section 131 and the cone 134, a circular hole is provided on one side surface of the fork 11, and the threaded section 131 can pass through the circular hole and be fixed on the fork 11 by two nuts 12. In implementation, the connecting position of the push rod 13 and the fork head 11 can be adjusted through the two nuts 12, so that the distance between the mounting point of the push rod 13 and the fork head 11 and the cylinder body can be adjusted.
Further, as shown in fig. 5 to 7, two master cylinder mounting planes 224 and two snap spring mounting arc surfaces 223 are arranged on the inner side wall of the housing 22 away from the through hole 221, and the master cylinder mounting planes 224 and the snap spring mounting arc surfaces 223 are alternately arranged; the main cylinder mounting plane 224 is used for being assembled with the cylinder body assembly, the clamp spring mounting arc surface 223 is provided with clamp spring holes 225 penetrating through the side wall of the shell 22, and the two clamp spring holes 225 are inserted into the U-shaped clamp springs 21. The connecting surface of the housing 22 and the cylinder body assembly is not a single circular curved surface, but curved surfaces and flat surfaces are alternately designed, so that the connection of the housing 22 and the cylinder body assembly is limited, and the relative rotation between the housing 22 and the cylinder body assembly is also limited.
Still further, as shown in fig. 9 and 10, the cylinder body assembly includes a connecting pipe 30, the outer side wall of the connecting pipe 30 is provided with two connecting planes 302 and two connecting arc surfaces 301, the connecting planes 302 are matched with the master cylinder mounting plane 224, and the connecting arc surfaces 301 are matched with the snap spring mounting arc surfaces 223; a plurality of clamp spring grooves 303 are axially formed in the connection arc surface 301, the clamp spring grooves 303 are matched with the clamp spring holes 225, and the clamp springs 21 can penetrate through the clamp spring grooves 303 and the clamp spring holes 225, so that the connection pipe 30 is stably connected with the housing 22. Corresponding to the structure of the housing 22, the connection tube 30 can be stably inserted into the housing 22, and the snap spring 21 can further limit the relative sliding between the housing 22 and the connection tube 30, thereby ensuring the stable connection between the housing 22 and the connection tube 30. In addition, the position of the connecting pipe 30 is adjusted to different positions in the shell 22 through different jump ring grooves 303, so that the position of the clutch joint of different vehicles can be adapted.
Further, the part of the snap spring 21 corresponding to the snap spring hole 225 is wavy. The matching degree between the clamp spring 21 and the clamp spring groove 303 and the clamp spring hole 225 is ensured.
Further, a second spring 25 is further disposed between the guide surface 222 and the cylinder body assembly, and when the guide body 24 is restored by the first spring 23, the second spring 25 is used for making the guide body 24 always located at the position of the guide surface 222.
Further, the cylinder body assembly includes a cylinder body and a piston rod 40, one end of the cylinder body is connected with the force adjusting mechanism 20, the piston rod 40 is disposed inside the cylinder body, one end of the piston rod 40 abuts against the push head 135, the other end is provided with a return spring, and the return spring abuts against the inner wall surface of the cylinder body.
Still further, an oil inlet pipe 50 is further disposed on the side wall of the cylinder body, and the oil inlet pipe 50 is communicated or blocked with the inside of the cylinder body through the sliding of the piston rod 40 in the cylinder body.
According to fig. 15 and 16, the invention further provides a clutch system, which comprises a clutch pedal 200, an oil outlet pipe 300, a clutch cylinder 400, a transmission 700 and the clutch master cylinder 100 of any embodiment, wherein the clutch pedal 200 is connected with the fork 11, and the clutch pedal 200 can push the push rod and fork assembly 10 to move; one end of the oil outlet pipe 300 is connected with the cylinder body assembly, the other end is connected with the clutch cylinder 400, the clutch cylinder 400 is installed on the transmission 700, and the transmission 700 is installed on a vehicle.
Further, the transmission 700 is further provided with a release bearing 600 and a release fork 500, one end of the release fork 500 is connected with the push rod of the clutch cylinder 400, and the other end is connected with the release bearing 600. In implementation, the push rod 13 moves towards the cylinder body assembly through the clutch pedal 200, and then the push rod 13 pushes the piston rod 40 to move, and the oil in the cylinder body is conveyed to the clutch cylinder 400 from the oil outlet pipe 300, and the push rod of the clutch cylinder 400 drives the release bearing 600 to rotate under the action of the oil, so that the transmission 700 performs speed change operation.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (10)

1. A clutch master cylinder with a clutch semi-linkage point force adjusting structure is characterized by comprising a push rod, a fork head assembly, a force adjusting mechanism and a cylinder body assembly; wherein,
the push rod and fork head assembly comprises a push rod and a fork head, one end of the push rod is connected with the fork head, and the other end of the push rod is provided with a push head; a cone is arranged in the middle of the push rod, and a cone groove is formed in one side, facing the fork head, of the cone;
the force adjusting structure comprises a shell and a guide body, wherein one end of the shell is provided with a through hole with the diameter smaller than that of the shell, and the other end of the shell is connected with the cylinder body assembly; a convex guide surface is arranged on the inner side wall of the shell, and a first spring is attached to the side wall between the guide surface and the through hole;
the guide body is arranged in the shell and is in sliding fit with the guide surface, one side of the guide body facing the through hole is provided with a plurality of finger bodies which incline inwards, and the tail end of each finger body is provided with an inwards bent finger end; the push head penetrates through the through hole and the guide body and is connected with the cylinder body assembly, and the finger end is matched with the cone groove;
when the clutch pedal is stepped to the bottom, the cone body passes through the through hole and the finger end and enters the other side of the guide body; when the clutch pedal is released, the cone body is gradually close to the finger end, the finger end is buckled with the cone body groove, and the guide body and the first spring enable the push rod not to be rapidly reset; when the clutch pedal is completely released, the cone body enables the finger body to be opened, the finger end is not buckled with the cone body groove any more, and the guide body is reset under the action of the first spring.
2. The clutch master cylinder with the clutch semi-linkage point force adjusting structure as claimed in claim 1, wherein a threaded section is provided at a front end of the push rod, a circular hole is formed on one side surface of the fork head, and the threaded section can pass through the circular hole and be fixed on the fork head through two nuts.
3. The clutch master cylinder with the clutch semi-linkage point force adjusting structure as claimed in claim 1, wherein two master cylinder mounting planes and two snap spring mounting arc surfaces are arranged on the inner side wall of the housing away from the through hole, and the master cylinder mounting planes and the snap spring mounting arc surfaces are alternately arranged;
the main cylinder mounting plane is used for being assembled with the cylinder body assembly, clamp spring holes penetrating through the side wall of the shell are formed in the clamp spring mounting arc surface, and the two clamp spring holes are inserted into the clamp spring holes through U-shaped clamp springs.
4. The clutch master cylinder with the clutch semi-linkage point force adjusting structure as claimed in claim 3, wherein the cylinder body assembly comprises a connecting pipe, two connecting planes and two connecting arc surfaces are arranged on the outer side wall of the connecting pipe, the connecting planes are matched with the master cylinder mounting plane, and the connecting arc surfaces are matched with the snap spring mounting arc surfaces;
the connecting cambered surface is axially provided with a plurality of clamp spring grooves, the clamp spring grooves are matched with the clamp spring holes, and the clamp springs can penetrate through the clamp spring grooves and the clamp spring holes, so that the connecting pipe is stably connected with the shell.
5. The master cylinder with the clutch semi-linkage point force adjusting structure as claimed in claim 4, wherein the portion of the snap spring corresponding to the snap spring hole is wavy.
6. The master cylinder with the clutch semi-linkage point force adjusting structure as claimed in claim 1, wherein a second spring is further provided between the guide surface and the cylinder body assembly, and the second spring is used for enabling the guide body to be always located at the position of the guide surface.
7. The main clutch cylinder with the clutch semi-linkage point force adjusting structure as claimed in claim 1, wherein the cylinder body assembly comprises a cylinder body and a piston rod, one end of the cylinder body is connected with the force adjusting mechanism, the piston rod is arranged inside the cylinder body, one end of the piston rod abuts against the push head, the other end of the piston rod is provided with a return spring, and the return spring abuts against the inner wall surface of the cylinder body.
8. A clutch master cylinder with a clutch semi-linkage point force adjusting structure as claimed in claim 7, wherein an oil inlet pipe is further arranged on the side wall of the cylinder body, and the oil inlet pipe is communicated with or blocked from the inside of the cylinder body through the sliding of the piston rod in the cylinder body.
9. A clutch system, comprising a clutch pedal, a fuel outlet pipe, a clutch cylinder, a transmission and the clutch master cylinder of any one of claims 1 to 8, wherein the clutch pedal is connected with the fork head, and the clutch pedal can push the push rod and the fork head assembly to move;
one end of the oil outlet pipe is connected with the cylinder body assembly, the other end of the oil outlet pipe is connected with the clutch cylinder, the clutch cylinder is mounted on the transmission, and the transmission is mounted on a vehicle.
10. The clutch system as claimed in claim 9, wherein the transmission is further provided with a release bearing and a release fork, one end of the release fork is connected with a push rod of the clutch cylinder, and the other end of the release fork is connected with the release bearing.
CN202111102320.4A 2021-09-19 2021-09-19 Clutch master cylinder with clutch semi-linkage point force adjusting structure and clutch system Active CN113775669B (en)

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Application Number Priority Date Filing Date Title
CN202111102320.4A CN113775669B (en) 2021-09-19 2021-09-19 Clutch master cylinder with clutch semi-linkage point force adjusting structure and clutch system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111102320.4A CN113775669B (en) 2021-09-19 2021-09-19 Clutch master cylinder with clutch semi-linkage point force adjusting structure and clutch system

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CN113775669A CN113775669A (en) 2021-12-10
CN113775669B true CN113775669B (en) 2022-05-10

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB959138A (en) * 1962-03-27 1964-05-27 Automotive Prod Co Ltd Improvements in or relating to master cylinders for liquid pressure operating systems
EP1306562A1 (en) * 2001-10-26 2003-05-02 Automotive Products France S.A. Hydraulic actuator with retainer
CN1955503A (en) * 2005-10-25 2007-05-02 比亚迪股份有限公司 Auxiliary device stablized connected with clutch
CN104442377A (en) * 2014-08-28 2015-03-25 长城汽车股份有限公司 Resilience mechanism of clutch pedal
CN104963960A (en) * 2015-06-18 2015-10-07 奇瑞汽车股份有限公司 Automobile clutch master cylinder
WO2017140306A1 (en) * 2016-02-18 2017-08-24 Schaeffler Technologies AG & Co. KG Clutch master cylinder having a damper
CN211715580U (en) * 2019-12-27 2020-10-20 西安涡普动力***股份有限公司 Clutch actuating mechanism with buffering positioning function

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3999112B2 (en) * 2002-11-28 2007-10-31 ナブテスコ株式会社 Push rod mounting mechanism for master cylinder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB959138A (en) * 1962-03-27 1964-05-27 Automotive Prod Co Ltd Improvements in or relating to master cylinders for liquid pressure operating systems
EP1306562A1 (en) * 2001-10-26 2003-05-02 Automotive Products France S.A. Hydraulic actuator with retainer
CN1955503A (en) * 2005-10-25 2007-05-02 比亚迪股份有限公司 Auxiliary device stablized connected with clutch
CN104442377A (en) * 2014-08-28 2015-03-25 长城汽车股份有限公司 Resilience mechanism of clutch pedal
CN104963960A (en) * 2015-06-18 2015-10-07 奇瑞汽车股份有限公司 Automobile clutch master cylinder
WO2017140306A1 (en) * 2016-02-18 2017-08-24 Schaeffler Technologies AG & Co. KG Clutch master cylinder having a damper
CN211715580U (en) * 2019-12-27 2020-10-20 西安涡普动力***股份有限公司 Clutch actuating mechanism with buffering positioning function

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