CN110630657A

CN110630657A - Clutch control device for air-assisted vehicle

Info

Publication number: CN110630657A
Application number: CN201810651091.3A
Authority: CN
Inventors: 江金华; 江为杰
Original assignee: Hubei Fubang Auto Parts Technology Co Ltd
Current assignee: Hubei Fubang Auto Parts Technology Co Ltd
Priority date: 2018-06-22
Filing date: 2018-06-22
Publication date: 2019-12-31

Abstract

The invention discloses a clutch control device for an air-assisted vehicle, which comprises a cylindrical shell, a rectangular shell connected to the front end of the cylindrical shell and an air inlet and exhaust valve body arranged on the upper side of the rectangular shell, wherein a piston, a ball-head type screw rod and a first return spring are arranged in the cylindrical shell; the technical scheme provided by the invention has the advantages that the structure is simple, the operation is convenient, the connection between the push rod and the clutch lever mechanism is more stable, the push rod and the clutch lever mechanism can adapt to various vehicle types, and the practicability is wider.

Description

Clutch control device for air-assisted vehicle

Technical Field

The invention relates to the technical field of automobiles, in particular to a clutch control device for a gas-assisted vehicle.

Background

At present, the clutch control valve of passenger and goods vehicles mainly adopts an oil-gas pushing boosting mode structure, and is provided with parts such as an oil storage chamber, a master cylinder, a branch pump and the like besides a basic structure of the control valve, so that the clutch control valve has the advantages of complex structure, multiple parts and high requirement on manufacturing precision, thereby bringing high manufacturing cost and maintenance cost, being easy to wear during long-time work and influencing the service life and safety.

The invention discloses a clutch control valve for a drag-line air-assisted vehicle with a Chinese patent No. CN 106704411B, which is characterized in that a linkage body piston, a drag arm shaft, a linkage shaft and a blocking spring step are integrally arranged, so that parts of the piston linkage body can be conveniently installed and connected, and meanwhile, the air inlet and outlet work and the air exhaust work of the valve and the pushing and pulling work of the piston can be accurately and synchronously connected. However, the technical scheme provided by the invention has the following defects: (1) the sliding fit between the jacking frame and the ejector rod is not stable enough, so that the operation stability of the clutch control valve is poor; (2) the installation mode of cable and pull arm axle is fixed relatively, can not be applicable to multiple motorcycle type.

Disclosure of Invention

The invention mainly aims to provide a clutch control device for an air-assisted vehicle, which aims to solve the problems of complex structure, high manufacturing cost and maintenance cost, easy abrasion and the like of the existing clutch control valve, further simplifies the structure of the clutch control device for the air-assisted vehicle, and simultaneously ensures that the operation is more stable so as to improve the safety of the clutch control device for the air-assisted vehicle and prolong the service life of the clutch control device for the air-assisted vehicle.

In order to achieve the purpose, the invention provides a clutch control device for an air-assisted vehicle, which comprises a cylindrical shell, a rectangular shell connected to the front end of the cylindrical shell and an air inlet and exhaust valve body arranged on the upper side of the rectangular shell, wherein an air supply channel is arranged on the outer sides of the rectangular shell and the cylindrical shell and is communicated with an air outlet of the air inlet and exhaust valve body, an air inlet of the air inlet and exhaust valve body is connected with an air pressure pipe, a piston, a ball-head-shaped screw rod and a first return spring are arranged in the cylindrical shell, an air pressure cavity is formed between the piston and the inner wall of the cylindrical shell, a linkage body is arranged in the rectangular shell and comprises a linkage shaft, two baffle plates, a conical shaft and a jacking frame, the two baffle plates are respectively arranged at two ends of the linkage shaft, the linkage shaft is connected with the piston through the ball-head-shaped screw rod, the inner diameter of the cylindrical shell is larger, the inner diameter of the, the first return spring is sleeved on the ball-head-shaped screw and is arranged between the step stop surface and the front end surface of the piston; a stroke gap is reserved between the baffle and the rectangular shell, two upper inclined planes are arranged on the upper side of the conical shaft, mounting holes are formed in the side wall of the linkage shaft corresponding to the two upper inclined planes, the jacking frame is mounted in the mounting holes, the lower end face of the jacking frame is in sliding fit with the two upper inclined planes, a sliding cavity for the conical shaft to be mounted in a sliding mode is formed in the linkage shaft, the sliding cavity penetrates through the front end face of the linkage shaft, a positioning seat and a clamping ring are mounted at the opening of the front end of the linkage shaft, a spring retaining pad is sleeved at the front end of the conical shaft, a second return spring is arranged between the spring retaining pad and the positioning seat, the stroke gap is reserved, the front end of the spring retaining pad is connected with a push rod, and the push rod; the air inlet and outlet valve body is internally provided with an accommodating cavity, a push rod assembly is accommodated in the accommodating cavity and comprises a valve rod, a stop spring seat and a push rod, the valve rod is sleeved with the valve rod seat, a third return spring is arranged between the valve rod seat and the stop spring seat, the lower end of the push rod is provided with a sliding piece, the upper end surface of the jacking frame is provided with a sliding groove for mounting the sliding piece, and the sliding groove is reserved with a stroke for the sliding piece to slide; the side-mounting of conical shaft has the horizontal round pin, and the horizontal round pin is worn out the stroke hole, the stroke hole has the gliding stroke of confession horizontal round pin, and the horizontal round pin is worn out the lateral wall and the cable of rectangular casing are connected, and the outside of rectangular casing is equipped with cable, zip fastener support and apron.

Preferably, the rear end of bulb type screw rod is equipped with half round step, the shaft hole of piston corresponds half round step is equipped with rather than matched with half round shoulder hole, and the rear end of bulb type screw rod is fixed in the shaft hole of piston through the nut, and the front end bulb of bulb type screw rod is installed in the universal driving shaft through pad and snap ring.

Preferably, the air inlet and exhaust valve body includes two-way nut, air inlet valve case and discharge valve casing, the air inlet valve case has air inlet and gas outlet, the air inlet valve case with the discharge valve case passes through screw rod and screw threaded connection, valve pole upper end with air inlet valve threaded connection, the below department that the valve pole is located the screw thread section is equipped with the exhaust hole, and the exhaust hole is located the top of valve pole seat, the sealing washer that is equipped with between valve pole seat and the valve pole, the sealing washer is used for sealing the installation clearance between valve pole and the valve pole seat, be equipped with the exhaust chamber that is linked together in valve pole and the fender spring seat, discharge valve casing be equipped with the exhaust passage of exhaust chamber intercommunication and with the gas vent of exhaust passage intercommunication.

Preferably, the cylindrical shell and the rectangular shell are integrally formed.

Preferably, the rear end of the push rod is arranged in a ball head shape.

Preferably, a seal is provided between the outer side of the piston and the inner side of the cylindrical housing.

According to the technical scheme provided by the invention, the two upper inclined planes are arranged on the side surface of the conical shaft of the linkage body, so that the conical shaft is not easy to rotate, the lower end of the jacking frame penetrates through the mounting hole of the conical shaft and is in sliding fit with the upper inclined planes of the conical shaft, the operation of the clutch control device for the air-assisted vehicle is simpler, the connection between the push rod and the clutch lever mechanism is more stable, the piston is mounted in the cylindrical shell, the air pressure cavity is formed between the piston and the inner wall of the cylindrical shell, the push rod is pushed out to be separated from the clutch lever mechanism when the air pressure cavity is inflated, and the push rod is restored to be connected with the clutch lever mechanism through the first return spring and the second return spring when the air pressure cavity is exhausted, so that the clutch control device for the air-assisted vehicle can adapt to various vehicle types, and has wider.

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 general schematic diagram of an embodiment of a clutch control apparatus for a gas-assisted vehicle according to the present invention;

FIG. 2 is a schematic illustration of the connection of the push rod to the clutch lever mechanism taken along the cross-section X-X in FIG. 1;

FIG. 3 is a schematic illustration of the disengagement of the push rod and clutch lever mechanism of FIG. 1 taken along the cross-section X-X;

fig. 4 is an exploded view of fig. 1.

In the figure: 1-cylinder shell, 102-step stop surface, 2-rectangular shell, 3-air inlet and outlet valve body, 31-air inlet, 32-air outlet, 4-air supply channel, 33-two-way nut, 34-air inlet valve, 35-air inlet valve shell, 36-air outlet valve shell, 5-piston, 6-sealing ring, 7-first return spring, 8-ball-head screw, 9-air pressure cavity, 10-linkage shaft, 11-baffle plate, 12-conical shaft, 13-lifting frame, 13 a-lifting column, 14-positioning seat, 15-snap ring, 16-spring retaining pad, 17-second return spring, 18-mounting hole, 19-ejector rod, 19 a-sliding piece, 20-spring retaining seat, 21-valve rod, 21 a-valve rod seat, 22-exhaust hole, spring, 23-exhaust cavity, 24-third return spring, 25-stroke hole 26-transverse pin, 27-inhaul cable, 28-cover plate, 12 a-upper inclined plane and 29-push rod.

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

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

Fig. 1 to 4 are schematic views of an embodiment of a clutch control device for an air-assisted vehicle according to the present invention.

Referring to fig. 1 to 4 together, the clutch control device for the air-assisted vehicle includes a cylindrical housing 1, a rectangular housing 2 connected to the front end of the cylindrical housing 1, and an air intake and exhaust valve body 3 disposed on the upper side of the rectangular housing 2, an air supply passage 4 is disposed on the outer sides of the rectangular housing 2 and the cylindrical housing 1, the air supply passage 4 is communicated with an air outlet of the air intake and exhaust valve body 3, an air inlet 31 of the air intake and exhaust valve body 3 is connected with an air pressure pipe, a piston 5, a ball head type screw 8 and a first return spring are mounted in the cylindrical housing 1, an air pressure chamber 9 is formed between the piston 5 and the inner wall of the cylindrical housing 1, a linkage body is mounted in the rectangular housing 2, the linkage body includes a linkage shaft 10, two baffles 11, a conical shaft 12 and a jacking frame 13, the two baffles 11 are disposed at two ends of the linkage shaft 10, the linkage shaft 10 is connected with the piston 5 through the, the inner diameter of the cylindrical shell 1 is larger, the inner diameter of the rectangular shell 2 is smaller, a step stop surface 102 is formed between the cylindrical shell 1 and the rectangular shell 2, and the first return spring 7 is sleeved on the ball-head-shaped screw 8 and is arranged between the step stop surface 102 and the front end surface of the piston 5; a stroke gap is reserved between the baffle 11 and the rectangular shell 2, two upper inclined planes 12a are arranged on the upper side of the conical shaft 12, mounting holes 18 are formed in the side walls of the linkage shaft 10 corresponding to the two upper inclined planes 12a, the jacking frame 13 is mounted in the mounting holes 18, the lower end face of the jacking frame 13 is in sliding fit with the two upper inclined planes 12a, a sliding cavity for the conical shaft 12 to be mounted in a sliding mode is formed in the linkage shaft 10 and penetrates through the front end face of the linkage shaft 10, a positioning seat 14 and a clamping ring 15 are mounted at an opening at the front end of the linkage shaft 10, a spring blocking pad 16 is sleeved at the front end of the conical shaft 12, a second return spring 17 is arranged between the spring blocking pad 16 and the positioning seat 14, the stroke gap is reserved, the front end of the spring blocking pad 16 is connected with a push rod 29, and the push rod 29 penetrates through a shaft hole; the intake and exhaust valve body 3 is internally provided with an accommodating cavity, a push rod assembly is accommodated in the accommodating cavity and comprises a valve rod 21, a stop spring seat 20 and a push rod 19, the valve rod 21 is sleeved with a valve rod seat 21a, a third return spring 24 is arranged between the valve rod seat 21a and the stop spring seat 20, the lower end of the push rod 19 is provided with a sliding part 19a, the upper end surface of the jacking frame 13 is provided with a sliding groove for mounting the sliding part 19a, and the sliding groove is reserved with a stroke for the sliding part 19a to slide; the lateral wall of universal driving shaft 10 still is equipped with stroke hole 25, the side-mounting of conical shaft 12 has horizontal round pin 26, and horizontal round pin 26 wears out stroke hole 25, stroke hole 25 have and supply the gliding stroke of horizontal round pin 26, and horizontal round pin 26 wears out the lateral wall and the cable 27 of rectangular casing 2 are connected, and the outside of rectangular casing 2 is equipped with cable 27 and apron 28.

The technical proposal provided by the invention is that two upper inclined planes 12a are arranged on the side surface of a conical shaft 12 of a linkage body, so that the conical shaft 12 is difficult to rotate, the lower end of a jacking frame 13 passes through a mounting hole 18 of the conical shaft 12 and is in sliding fit with the upper inclined plane 12a of the conical shaft 12, the operation of the clutch control device for the air-assisted vehicle is simpler, and the connection between the push rod 29 and the clutch lever mechanism is more stable, the piston 5 is arranged in the cylinder shell 1, a pneumatic chamber 9 is formed between the piston 5 and the inner wall of the cylinder shell 1, the push rod 29 is pushed out to be separated from the clutch lever mechanism when the pneumatic chamber 9 is inflated, and when the air pressure cavity 9 exhausts, the first return spring 7 and the second return spring 17 are restored to be connected with the clutch lever mechanism, so that the clutch control device for the air power-assisted vehicle can adapt to various vehicle types, and the practicability is wider.

In an embodiment of the present invention, referring to fig. 2 and fig. 3, an inner diameter of the cylindrical shell 1 is larger, an inner diameter of the rectangular shell 2 is smaller, a step stop surface 102 is formed between the cylindrical shell 1 and the rectangular shell 2, the piston 5, the ball-head-shaped screw 8 and the first return spring 7 are disposed in the cylindrical shell 1, the first return spring 7 is sleeved on the ball-head-shaped screw 8 and is located between the piston 5 and the step stop surface 102, and the linkage shaft 10, the conical shaft 12, the second return spring 17 and the baffle 11 are disposed in the rectangular shell 2. The differentiated arrangement of the cylindrical shell 1 and the rectangular shell 2 is beneficial to the adaptive installation of a piston 5, a ball-head type screw 8, a first return spring 7, a linkage shaft 10, a conical shaft 12, a second return spring 17 and a baffle plate 11 in the cylindrical shell and the rectangular shell.

In the embodiment of the present invention, referring to fig. 2 and 3, the piston 5 and the interlocking body function as follows: the piston 5 plays a role of assisting power, the linkage body opens the valve air inlet and exhaust mechanism and is connected with the piston 5, and meanwhile, the linkage body of the piston 5 is pulled to slide back and forth so as to be connected with and separated from the clutch lever mechanism.

In the embodiment of the present invention, referring to fig. 2 and 3, the ball-head type screw 8 functions as: the eccentric situation of the piston 5 in the process of sliding the linkage body back and forth is avoided, so that the concentric sliding of the piston 5 and the cylindrical shell 1 is ensured.

In the embodiment of the present invention, referring to fig. 2 and 3, the baffle 11 functions as: the linkage mechanism is used for forming an installation space of the jacking frame 13 together with the linkage shaft 10 so as to facilitate installation of the jacking frame 13 and protect the jacking frame 13 in the process of sliding the linkage body back and forth.

In the embodiment of the present invention, referring to fig. 2 and 3, the tapered spindle 12 and the jacking frame 13 function as: jacking the ejector rod assembly to jack the valve of the air intake and exhaust valve body 3 for air intake and return to be communicated with the exhaust port of the air intake and exhaust valve for exhaust.

In the embodiment of the present invention, referring to fig. 2, 3 and 4, the upper side of the conical shaft 12 is provided with two upper inclined surfaces 12a, the two upper inclined surfaces 12a are inclined toward the second return spring 17, and the two upper inclined surfaces 12a are used for providing a displacement space for the up-and-down movement of the push rod assembly when being in sliding fit with the lower end of the jacking frame 13; the lower end of the jacking frame 13 is provided with two jacking pillars 13a corresponding to the two upper inclined surfaces 12a, and the lower end surface of each jacking pillar 13a is provided with two lower inclined surfaces in sliding fit with the two upper inclined surfaces 12 a. So set up, make the slip between conical shaft 12 and the jacking frame 13 more firm to make the clutch operation more stable, and then improve automobile-used clutch control device's of air-assisted vehicle security and convenience. It should be noted that the valve rod 21 and the top rod 19 may be integrally disposed, and an exhaust gap is left between the valve rod 21 and the intake valve housing 35. The sealing member of the valve stem seat 21a may be formed in an i shape.

In an embodiment of the present invention, referring to fig. 2 and 3, the first return spring is used to return the piston 5 and the linkage body, the second return spring is used to return the conical shaft 12, and the third return spring 24 is used to return the intake valve 34 and simultaneously provide assistance for downward movement of the ram assembly and the lifting frame 13, so as to quickly return the ram assembly and the lifting frame 13, thereby improving the sensitivity of the clutch operation.

In the embodiment of the present invention, referring to fig. 2 and 3, the sliding member 19a is slidably connected to the sliding groove, and the sliding member 19a is a roller or a ball, so that the connection between the lower end of the push rod assembly and the lifting frame 13 is more flexible, thereby reducing the wear of the relative movement between the push rod assembly and the lifting frame 13 and prolonging the service life thereof.

In the embodiment of the invention, please refer to fig. 4, a positioning seat 14 and a snap ring 15 are installed at an opening at the front end of the linkage shaft 10, a spring blocking pad 16 is sleeved at the front end of the conical shaft 12, a second return spring is arranged between the spring blocking pad 16 and the positioning seat 14 and a stroke gap is reserved, a push rod 29 is connected at the front end of the spring blocking pad 16, and the push rod 29 passes through a shaft hole of the rectangular shell 2 and is connected with a clutch lever mechanism.

In the embodiment of the present invention, please refer to fig. 2 and fig. 3, a stroke gap is reserved between the spring stop pad 16 and the positioning seat 14, the front end of the spring stop pad 16 is connected with a push rod 29, the push rod 29 passes through the shaft hole of the rectangular housing 2 to be connected with the clutch lever mechanism, and a stroke gap is reserved between the baffle plate 11 and the rectangular housing 2; the sliding groove reserves a stroke for the sliding of the pulley or the ball, and the stroke hole 25 has a stroke for the sliding of the cross pin 26. By this arrangement, when the linkage body slides forwards, the air intake and exhaust of the air intake and exhaust valve body 3 can be accurately opened, and simultaneously, the inhaul cable 27 pulls the piston 5 and the linkage body to synchronously slide forwards.

In the embodiment of the present invention, referring to fig. 2, 3 and 4, in order to facilitate the installation of the push rod 29, a positioning seat 14 for positioning the push rod 29 is disposed on an end surface of the snap ring 15 of the spring stop pad 16 of the tapered shaft 12.

In the technical solution of the present invention, referring to fig. 1, the pulling cable 27 is disposed on the outer side surface of the rectangular housing 2, so that the clutch control device for an air-assisted vehicle can be applied to various vehicle types, and has a wider application range.

The working principle of the invention is as follows: referring to fig. 2 and 3, the transverse pin 26 of the present invention is first connected to the pulling cable 27, the pulling cable 27 may be made of a steel wire rope covered with a plastic pipe, a movable gap is left between the steel wire rope and the plastic pipe, the pulling cable 27 is in driving connection with the control assembly on the vehicle, the push rod 29 is in driving connection with the clutch lever actuating assembly on the vehicle, and the air inlet 31 of the air inlet/outlet valve body 3 is communicated with the air supply system of the motor vehicle. When the operation is executed, the inhaul cable 27 is operated to move forwards, so that the conical shaft 12 is pulled to slide forwards, the upper inclined surface 12a of the conical shaft 12 pushes the jacking frame 13 to move upwards, the ejector rod assembly is further pushed to jack up the air inlet valve 34 of the air inlet 31 of the air inlet and outlet valve body 3 upwards, so that the air inlet 31 is opened, meanwhile, the air outlet cavity 23 in the ejector rod assembly is closed, high-pressure air flow enters the air pressure cavity 9 through the air inlet 31 and the air supply channel to drive the piston 5 to slide forwards, the ball head type screw 8 on the piston 5 drives the linkage body to slide forwards, and the push rod 29 and the clutch lever mechanism are pushed to execute separation action; the control cable 27 is loosened, the second return spring enables the conical shaft 12 to return, the first return spring enables the piston 5 and the linkage body to return, the restoring force of the third return spring 24 enables the ejector rod assembly to return downwards, an air inlet valve 34 of an air inlet 31 of the air inlet/outlet valve body 3 is closed, meanwhile, an air outlet cavity 23 in the ejector rod assembly is communicated with an air outlet of the air inlet/outlet valve body 3, the piston 5 and the linkage body slide backwards and return under the action of the first return spring 7, high-pressure air in the air pressure cavity 9 is exhausted for pressure relief through the air supply channel, the air outlet cavity 23 and the air outlet, meanwhile, the push rod 29 and the clutch lever mechanism execute connection action, and therefore a group of clutch operation actions is completed.

In the embodiment of the present invention, please refer to fig. 4, a semicircular step is disposed at the rear end of the ball-head type screw 8, a semicircular stepped hole matched with the semicircular step is disposed in the shaft hole of the piston 5 corresponding to the semicircular step, the rear end of the ball-head type screw 8 is fixed in the shaft hole of the piston 5 through a nut, and a ball head at the front end of the ball-head type screw 8 is mounted on the linkage shaft 10 through a pad and a snap ring 15. So set up, be convenient for twist the nut.

In an embodiment of the present invention, referring to fig. 4, the intake/exhaust valve body 3 includes a two-way nut 33, an intake valve 34, an intake valve housing 35 and an exhaust valve housing 36, the air inlet valve shell 35 is provided with an air inlet 31 and an air outlet 32, the air inlet valve shell 35 and the air outlet valve shell 36 are in threaded connection through a screw rod and a screw hole, the upper end of the valve rod 21 is connected with the air inlet valve 34 by screw thread, the air outlet hole 22 is arranged at the position of the valve rod 21 which is positioned below the screw thread section, the air outlet hole 22 is positioned above the valve rod seat 21a, a sealing ring 6 is arranged between the valve rod seat 21a and the valve rod 21, the sealing ring 6 is used for sealing the installation gap between the valve rod 21 and the valve rod seat 21a, an exhaust cavity 23 communicated with each other is arranged in the valve rod 21 and the stop spring seat 20, and an exhaust channel communicated with the exhaust cavity 23 and an exhaust port communicated with the exhaust channel are arranged in the exhaust valve shell 36. The sealing ring 6 is used for sealing the installation gap between the valve rod 21 and the valve rod seat 21a, and high-pressure gas can be rapidly exhausted through the exhaust hole 22, the exhaust cavity 23, the exhaust passage and the exhaust port.

In the embodiment of the invention, the cylindrical shell 1 and the rectangular shell 2 are integrally formed, and the integrally formed arrangement can reduce the installation operation, simplify the assembly steps and avoid the assembly misoperation, thereby being beneficial to improving the industrial production efficiency. It should be noted that, in other embodiments, the rectangular housing may be configured as a cylindrical housing.

In the embodiment of the present invention, referring to fig. 2, fig. 3 and fig. 4, the rear end of the push rod 29 is disposed in a ball shape and fixed by a pad and a snap ring, so as to prevent the push rod 29 from being eccentric during the forward and backward sliding of the linkage, so as to ensure that the push rod 29 and the rectangular housing 2 concentrically slide.

In the embodiment of the present invention, referring to fig. 2 and 3, a sealing member is disposed between the outer side surface of the piston 5 and the inner wall surface of the cylindrical housing 1 to prevent the air pressure chamber 9 from leaking, so as to improve the sealing property of the air pressure chamber 9, and further ensure the stability of the clutch operation of the clutch control device for the air-assisted vehicle.

Claims

1. The utility model provides a clutch control device for air-assisted vehicle, includes the cylinder case, connects in the rectangle form casing of cylinder case front end and locates the air intake and exhaust valve body of rectangle form casing upside, the lateral wall of rectangle form casing and cylinder case is equipped with the air supply channel, and the air supply channel communicates with the gas outlet of air intake and exhaust valve body, and the air inlet and the pneumatic tube of air intake and exhaust valve body are connected its characterized in that:

a piston, a ball-head-shaped screw rod and a first return spring are arranged in the cylindrical shell, a pneumatic cavity is formed between the piston and the inner wall of the cylindrical shell, a linkage body is arranged in the rectangular shell and comprises a linkage shaft, two baffle plates, a conical shaft and a jacking frame, the two baffle plates are respectively arranged at two ends of the linkage shaft, the linkage shaft is connected with the piston through the ball-head-shaped screw rod, the inner diameter of the cylindrical shell is larger, the inner diameter of the rectangular shell is smaller, a step stop surface is formed between the cylindrical shell and the rectangular shell, and the first return spring is sleeved on the ball-head-shaped screw rod and is arranged between the step stop surface and the front end surface of the piston; a stroke gap is reserved between the baffle and the rectangular shell, two upper inclined planes are arranged on the upper side of the conical shaft, mounting holes are formed in the side wall of the linkage shaft corresponding to the two upper inclined planes, the jacking frame is mounted in the mounting holes, the lower end face of the jacking frame is in sliding fit with the two upper inclined planes, a sliding cavity for the conical shaft to be mounted in a sliding mode is formed in the linkage shaft, the sliding cavity penetrates through the front end face of the linkage shaft, a positioning seat and a clamping ring are mounted at the opening of the front end of the linkage shaft, a spring retaining pad is sleeved at the front end of the conical shaft, a second return spring is arranged between the spring retaining pad and the positioning seat, the stroke gap is reserved, the front end of the spring retaining pad is connected with a push rod, and the push rod; the air inlet and outlet valve body is internally provided with an accommodating cavity, a push rod assembly is accommodated in the accommodating cavity and comprises a valve rod, a stop spring seat and a push rod, the valve rod is sleeved with the valve rod seat, a third return spring is arranged between the valve rod seat and the stop spring seat, the lower end of the push rod is provided with a sliding piece, the upper end surface of the jacking frame is provided with a sliding groove for mounting the sliding piece, and the sliding groove is reserved with a stroke for the sliding piece to slide; the side mounting of conical shaft has the horizontal round pin, and the horizontal round pin is worn out the stroke hole, the stroke hole has the gliding stroke of confession horizontal round pin, and the horizontal round pin is worn out the lateral wall and the cable of rectangular casing are connected, and the outside of rectangular casing is equipped with cable, cable support and apron.

2. A clutch control device for a gas assist vehicle according to claim 1, characterized in that: the rear end of bulb type screw rod is equipped with half round step, the shaft hole of piston corresponds half round step is equipped with rather than matched with half round step hole, and the rear end of bulb type screw rod is fixed in the shaft hole of piston through the nut, and the front end bulb of bulb type screw rod is installed in the universal driving shaft through pad and snap ring.

3. A clutch control device for a gas assist vehicle according to claim 1, characterized in that: the air inlet and exhaust valve body comprises a two-way nut, an air inlet valve shell and an exhaust valve shell, the air inlet valve shell is provided with an air inlet and an air outlet, the air inlet valve shell is connected with the exhaust valve shell through a screw rod and a screw hole in a threaded manner, the upper end of a valve rod is connected with the air inlet valve in a threaded manner, the valve rod is located below the threaded section and is provided with an exhaust hole, the exhaust hole is located above a valve rod seat, a sealing ring is arranged between the valve rod seat and the valve rod, an exhaust cavity communicated with the valve rod and a blocking spring seat are arranged in the valve rod and the blocking spring seat, and the exhaust valve shell is provided with.

4. A clutch control device for a gas assist vehicle according to claim 1, characterized in that: the cylindrical shell and the rectangular shell are integrally formed.

5. A clutch control device for a gas assist vehicle according to claim 1, characterized in that: the rear end of the push rod is arranged in a ball head shape.

6. A clutch control device for a gas assist vehicle according to claim 1, characterized in that: and a sealing element is arranged between the outer side surface of the piston and the inner side surface of the cylinder shell.