CN218266897U - Clutch operating device and vehicle - Google Patents

Abstract

The utility model discloses a separation and reunion controlling device and vehicle, this separation and reunion controlling device includes footboard, separation and reunion working cylinder assembly includes the master cylinder body, is located the first piston in the master cylinder body, the cylinder pole of being connected with first piston, master cylinder and supplementary high-pressure line, the telescopic link and the first piston of master cylinder are connected, when the footboard is in trampling the state, high-pressure oil circuit and master cylinder intercommunication, supplementary high-pressure line and the sealed chamber of master cylinder body intercommunication, the two drives the cylinder pole action simultaneously so that the clutch separates; when the footboard was trampled, high-pressure oil circuit and supplementary high-pressure line drive jar pole action simultaneously provided the separating force of clutch jointly, under the unchangeable condition of footboard total stroke mutually, the utility model discloses well clutch working cylinder assembly can provide great separating force, can suitably reduce driver's pedal power, improves the footboard and controls the travelling comfort.

Description

Clutch operating device and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to separation and reunion controlling device and vehicle.

Background

For a manual transmission vehicle, the clutch is an important component of the vehicle powertrain, and is responsible for disconnecting and connecting power to the engine.

Generally, a clutch matched with a commercial automobile engine needs to transmit large torque, the clutch peak separation force is large, the clutch pedal travel is in a reasonable range, the clutch pedal force is too large, the clutch pedal operation comfort of a driver is affected, the driver is easy to fatigue, and even the clutch pedal cannot be stepped down due to too large pedal force, the clutch cannot be separated, and the gear engaging operation cannot be carried out.

Therefore, how to improve the comfort of the pedal operation of the driver is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a separation and reunion controlling device and vehicle that the manipulation travelling comfort is high.

The utility model provides a separation and reunion controlling device, including footboard, separation and reunion working cylinder assembly include the master cylinder body, be located the first piston in the master cylinder body, with cylinder pole, master cylinder and the supplementary high pressure pipeline of first piston connection, the telescopic link of master cylinder with first piston connection works as when the footboard is in trampling the state, high pressure oil circuit with master cylinder intercommunication, supplementary high pressure pipeline with the sealed chamber intercommunication of master cylinder body, the two simultaneous driving the cylinder pole action is so that the clutch separation.

The utility model discloses in when the footboard was trampled, high-pressure oil circuit and supplementary high-pressure line drive jar pole action simultaneously, provide the separating force of clutch jointly, under the unchangeable condition of footboard looks total stroke, the utility model discloses well clutch working cylinder assembly can provide great separating force, can suitably reduce driver's pedal power, improves the footboard and manipulates the travelling comfort.

Optionally, the clutch operating cylinder assembly further includes an auxiliary cylinder, a second piston is disposed inside the auxiliary cylinder, the second piston separates an inner cavity of the auxiliary cylinder into a first cavity and a second cavity, the first cavity is communicated with the hydraulic cavity of the main hydraulic cylinder, an air inlet valve is further disposed on a cylinder body wall of the auxiliary cylinder, in a normal state, the second piston closes the air inlet valve, when the high-pressure oil path is communicated with the main hydraulic cylinder, the second piston moves under the driving of hydraulic oil, and the air inlet valve is opened to communicate the auxiliary high-pressure pipeline with the sealed cavity.

Optionally, the auxiliary cylinder further includes an exhaust valve, when the high-pressure oil line is disconnected from the main cylinder, the second piston is reset, and the exhaust valve e is opened to communicate the second cavity with an external environment.

Optionally, the first spring is further included for providing a power for returning the second piston to the initial position.

Optionally, the auxiliary high-pressure line comprises a high-pressure gas tank.

Optionally, the main cylinder body further includes an installation cavity, the installation cavity and the sealing cavity are respectively located on two sides of the first piston, and a second spring is mounted between the inner wall of the installation cavity and the first piston in a pressing manner and used for providing power for the first piston to return to an initial position.

Optionally, the first piston and a telescopic rod of the master hydraulic cylinder are coaxially arranged, a mounting hole is formed in the middle of the first piston, the telescopic rod is fixed to the mounting hole, and the telescopic rod is hinged to the cylinder rod ball.

Optionally, the hydraulic control device further comprises a control oil cylinder, the control oil cylinder comprises a cylinder barrel, a third piston and a piston rod, one end of the piston rod, extending out of the cylinder barrel, is connected with the pedal, the cylinder barrel comprises a first oil port and a second oil port, the first oil port and the second oil port are respectively communicated with the oil reservoir and a hydraulic cavity of the main hydraulic cylinder, the third piston is disconnected from the first oil port and the second oil port in a normal state, and when the pedal is in a trampling state, the pedal drives the piston rod to move so that the first oil port and the second oil port are communicated.

Optionally, the clutch further comprises a connecting plate, one end of the connecting plate is hinged to the extending end of the cylinder rod, and the other end of the connecting plate is hinged to the clutch;

or/and the pedal device further comprises a limiting component used for limiting the maximum stepping displacement of the pedal.

Furthermore, the utility model also provides a vehicle, including the automobile body, still include above-mentioned arbitrary separation and reunion controlling device, the footboard pass through the support rotate connect in the automobile body.

The utility model discloses a vehicle includes above-mentioned separation and reunion controlling device, so also include separation and reunion controlling device's above-mentioned technological effect.

Drawings

Fig. 1 is a schematic view of a clutch operating device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the pedal assembly of FIG. 1;

FIG. 3 is a schematic diagram of the control cylinder of FIG. 1;

FIG. 4 is a schematic illustration of the clutched cylinder assembly of FIG. 1;

FIG. 5 is an operational schematic of the clutch cylinder assembly of FIG. 4 in a disengaged clutch state;

FIG. 6 is an operational schematic of the clutch cylinder assembly of FIG. 4 in a non-disengaged clutch state.

Wherein, the one-to-one correspondence between the reference numbers and the part names in fig. 1 to 6 is as follows:

1, an oil reservoir, 2, a control oil cylinder and 21 cylinders; 22 a first oil port; 23 a second oil port; 24 a piston rod; 3 clutch hard tube, 4 pedal limit device, 5 pedal, 51 support and 52 sensor; 53 torsion spring; 54 pin shafts; 6, a high-pressure gas storage tank, 7 clamp springs, 8 clutch hoses, 9 mounting frames, 10 clutch working cylinder assemblies and 101 main cylinder bodies; 1012 a first piston; 102a master cylinder; 1021 a telescopic rod; 102a hydraulic oil inlet; 103 auxiliary cylinder; 103a gas inlet; 1031 a second piston; 1032 a first spring; e, an exhaust valve, A sealing the cavity; a hydraulic chamber B; c a first cavity; d, a second cavity; h channel; 11 connecting plate.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 6, fig. 1 is a schematic view of a clutch operating device according to an embodiment of the present invention; FIG. 2 is a schematic view of the pedal assembly of FIG. 1; FIG. 3 is a schematic view of the control cylinder of FIG. 1; FIG. 4 is a schematic illustration of the clutched cylinder assembly of FIG. 1; FIG. 5 is an operational schematic of the clutch cylinder assembly of FIG. 4 in a disengaged clutch state; FIG. 6 is an operational schematic of the clutch cylinder assembly of FIG. 4 in a non-disengaged clutch state.

The utility model provides a separation and reunion controlling means is applied to the separation and the joint control of vehicle clutch. Referring to fig. 1, the clutch operating device of the present application at least includes a pedal and a clutch cylinder assembly, and of course, the clutch operating device may further include one or more of an oil reservoir 1, a control cylinder 2, a clutch hard tube 3, a pedal limiting device 4, a high-pressure air storage tank 6, a snap spring 7, a clutch hose 8, and a mounting bracket 9.

The oil reservoir 1 mainly serves to store and discharge hydraulic oil to the outside, that is, the oil reservoir 1 may be equivalent to both an oil supply unit and an oil storage unit depending on the operating state.

The pedal 5 is mounted on the vehicle body through a bracket 51, the bracket 51 is fixed on the vehicle body, the pedal 5 can be rotatably connected to the bracket through a pin 54, and in order to rapidly return the pedal 5 to the initial position after the treading force is removed, a torsion spring 53 is further arranged between the pedal 5 and the bracket 52 to provide the restoring force of the pedal 5. Of course, for vehicle control, a sensor 52 may be further provided for detecting the state of the pedal 5.

When the driver steps on the pedal 5, the pedal 5 can rotate relative to the pin. The control cylinder 2 may include a cylinder barrel, a third piston (not shown in the figure) and a piston rod, one end of the piston rod extending out of the cylinder barrel is connected to the pedal 5, the cylinder barrel includes a first oil port 22 and a second oil port 23, which are respectively communicated with the hydraulic chambers of the oil reservoir and the main hydraulic cylinder, in a normal state, the third piston disconnects the first oil port and the second oil port, and when the pedal 5 is in a treading state, the pedal 5 drives the piston rod to move so as to communicate the first oil port and the second oil port.

The extending end of the piston rod 24 of the control cylinder 2 can be connected with the end, far from the treading, of the pedal 5, and particularly the piston rod 24 and the pedal 5 can be hinged. When the pedal 5 rotates relative to the bracket, the pedal 5 can drive the piston rod 24 to move relative to the cylinder 21, so as to connect or disconnect the oil path between the oil reservoir 1 and the clutch cylinder assembly 10. The pipeline between the oil reservoir 1 and the clutch working cylinder assembly 10 can be connected in a mode of combining a hose 8 and a hard pipe 3, and the hose 8 and the hard pipe 3 can be connected through a clamp spring 7. Of course, the selection of the piping may be based on the relative positions of the components and is not limited to that described herein.

Specifically, the clutch operating cylinder assembly 10 of the present invention includes a main cylinder body 101, a first piston 1012 located in the main cylinder body 101, a cylinder rod connected to the first piston 1012, a main hydraulic cylinder 102, and an auxiliary high pressure pipeline. The telescopic rod of the pedal 5 main hydraulic cylinder is connected with the first piston, when the pedal 5 is in a treading state, the high-pressure oil circuit (the pipeline where the oil storage device is located) is communicated with the main hydraulic cylinder, the auxiliary high-pressure pipeline is communicated with the sealing cavity A of the main cylinder body 101, and the auxiliary high-pressure pipeline and the sealing cavity A simultaneously drive the cylinder rod to move so as to separate the clutch. Specifically, the clutch may be connected to the protruding end of the cylinder rod through a connecting plate.

From the above description, the utility model discloses in when footboard 5 was trampled, high-pressure oil circuit and supplementary high-pressure line drive the cylinder pole action simultaneously, provide the separating force of clutch jointly, under the unchangeable condition of 5 looks total strokes of footboard, the utility model discloses well clutch working cylinder assembly can provide great separating force, can suitably reduce driver's pedal power, improves footboard 5 and manipulates the travelling comfort.

The auxiliary high-pressure pipeline can be an oil circuit or a gas circuit, and the technical scheme and the technical effect are continuously described by taking the auxiliary high-pressure pipeline as the gas circuit.

Specifically, the clutch operating cylinder assembly 10 further includes an auxiliary cylinder 103, a second piston 1031 is disposed inside the auxiliary cylinder 103, the second piston 1031 separates an inner cavity of the auxiliary cylinder 103 into a first cavity C and a second cavity D, the first cavity C is communicated with a hydraulic cavity B of the main hydraulic cylinder, an intake valve (not shown in the figure) is further disposed on a cylinder body wall of the auxiliary cylinder 103, the second piston 1031 closes the intake valve in a normal state, when a high-pressure oil line is communicated with the main hydraulic cylinder, the second piston 1031 moves under the driving of hydraulic oil, and the intake valve is opened to communicate an auxiliary high-pressure pipeline and the sealed cavity a.

That is to say, when the pedal 5 is stepped on, the pedal 5 drives the piston rod 24 of the control cylinder 2 to move to the first oil port and the second oil port of the communicating cylinder barrel, so that the hydraulic oil in the oil reservoir 1 enters the hydraulic chamber B of the main hydraulic cylinder, when the telescopic rod 1021 of the main hydraulic cylinder is pushed to move towards the first piston 1012 in the main cylinder body 101, the hydraulic oil also enters the auxiliary cylinder 103 through the channel h to push the second piston 1031 to move, and then the air inlet valve is opened to communicate the auxiliary high-pressure pipeline and the sealing chamber a, so that the medium of the auxiliary high-pressure pipeline can further push the first piston 1012 to move.

The channel h may be provided in the wall of the master cylinder and the wall of the auxiliary cylinder 103, but may also be provided in other ways, such as by leading hydraulic oil from the hydraulic oil inlet 102a of the main cylinder to the auxiliary cylinder 103 via a pipeline.

It will be appreciated by those skilled in the art that the master cylinder and the auxiliary cylinder 103 together provide the driving force to the first piston in the present application, i.e. the driving force direction to the first piston is the same.

The utility model discloses an auxiliary cylinder 103 still includes the exhaust valve door e among the separation and reunion operating device, and when high-pressure oil circuit and main hydraulic cylinder disconnection, second piston 1031 resets, and exhaust valve door e is opened so that second chamber intercommunication external environment. The gas inside the main cylinder 101 and the auxiliary cylinder 103 can thus be directly vented to the external environment to quickly return the first piston to the initial position, engaging the clutch.

Of course, in order to improve the sensitivity of the system, the clutch operating device may further include a first spring 1032 for providing a power for returning the second piston 1031 to the initial position.

The auxiliary high-pressure pipeline in each embodiment comprises a high-pressure gas storage tank 6, high-pressure gas is stored in the high-pressure gas storage tank 6 in advance, and a gas outlet of the high-pressure gas storage tank 6 is communicated with the second cavity D through an air inlet valve. The figure shows an air inlet 103a on the slave cylinder. The high-pressure air storage tank 6 can also be provided with an air inlet pipeline system communicated with an air source, and when the internal pressure of the high-pressure air storage tank 6 is insufficient, the air source can inflate the high-pressure air storage tank through the air inlet pipeline system.

Further, the main cylinder 101 further includes a mounting chamber, and the mounting chamber and the sealing chamber a are respectively disposed at both sides of the first piston, and a second spring 1013 is compressed between the inner wall of the mounting chamber and the first piston for providing a power to return the first piston 1012 to the initial position.

In a specific example, the first piston 1012 is coaxially arranged with the telescopic rod 1021 of the main hydraulic cylinder, and the middle part of the first piston is provided with a mounting hole, the telescopic rod is fixed in the mounting hole, the telescopic rod is ball-hinged with the cylinder rod, the flexibility of the ball-hinged movement is high, and the phenomenon that the telescopic rod is locked during movement is avoided.

The clutch operating device also comprises a connecting plate 11, one end of the connecting plate is hinged with the extending end of the cylinder rod, and the other end of the connecting plate is hinged with the clutch.

In order to avoid excessive pedaling of the pedal 5, a limiting member 4 may be further provided, and the limiting member 4 is mounted on the vehicle body and used for limiting the maximum pedaling displacement of the pedal 5.

Furthermore, the utility model also provides a vehicle, including the separation and reunion controlling means of automobile body and any above-mentioned embodiment, footboard 5 passes through the support rotation to be connected in the automobile body.

The utility model discloses a vehicle includes above-mentioned separation and reunion controlling device, so also includes separation and reunion controlling device's above-mentioned technological effect.

The clutch operating device and the vehicle provided by the utility model are described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above description of the embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. The utility model provides a separation and reunion controlling device, its characterized in that includes footboard, separation and reunion working cylinder assembly includes the master cylinder body, is located the first piston in the master cylinder body, with the jar pole, the master cylinder and the supplementary high-pressure pipeline that first piston is connected, the telescopic link of master cylinder with first piston is connected, works as when the footboard is in trampling the state, high-pressure oil circuit with master cylinder intercommunication, supplementary high-pressure pipeline with the sealed chamber intercommunication of master cylinder body, the two drives simultaneously the cylinder pole action is so that the clutch separates.

2. The clutch operating device as claimed in claim 1, wherein the clutch operating cylinder assembly further comprises an auxiliary cylinder, a second piston is disposed inside the auxiliary cylinder, the second piston separates an inner cavity of the auxiliary cylinder into a first cavity and a second cavity, the first cavity is communicated with the hydraulic cavity of the main hydraulic cylinder, an air inlet valve is further disposed on a cylinder body wall of the auxiliary cylinder, the second piston closes the air inlet valve under normal conditions, when the high-pressure oil path is communicated with the main hydraulic cylinder, the second piston moves under the driving of hydraulic oil, and the air inlet valve is opened to communicate the auxiliary high-pressure pipeline with the sealed cavity.

3. The clutch actuator of claim 2, wherein the slave cylinder further comprises an exhaust valve, wherein when the high pressure oil line is disconnected from the master cylinder, the second piston is reset, and wherein the exhaust valve e opens to vent the second chamber to the external environment.

4. The clutch operating device of claim 3, further comprising a first spring for providing power to return the second piston to an initial position.

5. The clutch actuator of claim 1, wherein the auxiliary high pressure line comprises a high pressure air reservoir.

6. The clutch operating device according to any one of claims 1 to 5, wherein the main cylinder further comprises a mounting chamber, the mounting chamber and the seal chamber are respectively disposed on both sides of the first piston, and a second spring is compressed between an inner wall of the mounting chamber and the first piston for providing a power for returning the first piston to an initial position.

7. The clutch operating device according to any one of claims 1 to 5, wherein the first piston is provided coaxially with a telescopic rod of the master cylinder, and a mounting hole is provided in a middle portion of the first piston, the telescopic rod being fixed to the mounting hole, the telescopic rod being ball-jointed to the cylinder rod.

8. The clutch operating device according to any one of claims 1 to 5, further comprising a control cylinder, wherein the control cylinder comprises a cylinder barrel, a third piston and a piston rod, one end of the piston rod extending out of the cylinder barrel is connected with the pedal, the cylinder barrel comprises a first oil port and a second oil port which are respectively communicated with an oil reservoir and a hydraulic cavity of the main hydraulic cylinder, the third piston is disconnected from the first oil port and the second oil port in a normal state, and when the pedal is in a treading state, the pedal drives the piston rod to move so as to enable the first oil port to be communicated with the second oil port.

9. The clutch operating device according to any one of claims 1 to 5, further comprising a connecting plate having one end hinged to the protruding end of the cylinder rod and the other end for being hinged to the clutch;

or/and the pedal device further comprises a limiting component used for limiting the maximum stepping displacement of the pedal.

10. A vehicle comprising a vehicle body, characterized by further comprising a clutch operating device according to any one of claims 1 to 9, said pedal being rotatably connected to said vehicle body through a bracket.

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