CN110843749B - An automobile drive shaft with preventing misoperation - Google Patents

Abstract

The invention discloses an automobile drive shaft with the function of preventing misoperation. An output locating sleeve and an input locating sleeve are connected to the end side wall through a connecting plate, one end of the output shaft group is sleeved on the output locating sleeve, and one end of the input shaft group is sleeved through the input locating sleeve. In the present invention, an oil cavity is arranged between the input sliding sleeve and the input positioning sleeve on the input shaft group, the oil cavity is filled with hydraulic oil, and the rotation of the spiral blade outside the input sliding sleeve drives the hydraulic oil to circulate through the oil return pipe. When it is raised, the oil return pipe is too late to circulate, and the hydraulic oil enters the oil cylinder through the oil inlet pipe, and the push stroke of the oil cylinder pushes the output triangular cylinder on the output shaft group into the empty cavity, which will cause the output shaft group and the input shaft group to break. Open the connection to stop transmitting torque.

Description

An automobile drive shaft with preventing misoperation

technical field

The present invention relates to the technical field of automobiles, in particular to an automobile drive shaft with preventing misoperation.

Background technique

Cars are a more comfortable means of transportation, and safe driving of cars is the top priority when going out. A large proportion of traffic accidents are caused by driver's misoperation, and the consequences are unimaginable. In the event of an emergency, the driver does not have time to step on the brake, but instead steps on the accelerator pedal by mistake, resulting in aggravation of the accident; when the locomotive starts, for the driver who is not skilled in driving, there is usually a wrong distinction between the accelerator and the brake, resulting in an accident when starting or reversing. ; Therefore, the present invention provides an automobile drive shaft with preventing misoperation.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an automobile drive shaft with preventing misoperation, so as to solve the problems raised in the above-mentioned background art.

To achieve the above object, the present invention provides the following technical solutions:

An automobile drive shaft capable of preventing misoperation, comprising an installation fixing frame, an output shaft group, a control shaft group and an input shaft group; An output locating sleeve and an input locating sleeve are connected through the connecting plate, one end of the output shaft group is sleeved on the output locating sleeve, one end of the input shaft group is sleeved on the input locating sleeve, and the output shaft group is sleeved through the input locating sleeve. The control shaft group is connected with the input shaft group. The output shaft group is provided with an output shaft and an output sliding sleeve. The output sliding sleeve is provided with an output sliding cavity and an oil cylinder. One end of the output sliding cavity is provided with a hollow space. Loading cavity, the inner side wall of the output sliding cavity is located on one side of the empty-loading cavity and evenly has an output chute, the oil cylinder is arranged at the other end of the output sliding cavity, and the input shaft group is provided with an input shaft and an input sliding The input sliding sleeve is provided with an input sliding cavity, the inner side wall of the input sliding cavity is evenly provided with an input chute, the input positioning sleeve is provided with an oil cavity, and the outer side of the input sliding sleeve is located in A spiral blade is welded in the oil cavity, an energy storage check valve and an oil discharge pipe are arranged on the outer side of one end of the input positioning sleeve, and an energy storage tank is connected to the other end of the energy storage check valve. One end is provided with a pressure valve, an oil inlet pipe is welded on the outer side of the output positioning sleeve, the oil inlet pipe is connected by a pipeline and an oil discharge pipe, and an output triangular cylinder and an input triangular cylinder are arranged on the control shaft group.

As a preferred embodiment of the present invention, a driving rod is provided on the oil cylinder, and one end of the driving rod extends to the side wall of the output triangular prism.

As a preferred embodiment of the present invention, a return spring is provided on one side of the input triangular prism.

As a preferred embodiment of the present invention, oil passages are evenly opened on the outer side of the output sliding sleeve, one end of the oil passage is connected to the oil cylinder through a pipeline, and an oil passage is opened on the inner side wall of the output positioning sleeve Corresponding to the annular groove, the oil inlet pipe communicates with the annular groove.

As a preferred embodiment of the present invention, an oil return pipe communicated with the oil cavity is provided on the outer side of the input positioning sleeve.

As a preferred embodiment of the present invention, a sliding plate is arranged on the output triangular prism and the input triangular cylinder, a rotating shaft is arranged in the sliding plate, and a ball is sleeved on the rotating shaft, and the ball is connected to the output The chute corresponds to the input chute.

As a preferred embodiment of the present invention, sealing rings are provided at both ends of the oil cavity between the input positioning sleeve and the input sliding sleeve, and hydraulic oil is provided in the oil cavity.

Compared with the prior art, the beneficial effects of the present invention are:

1. An oil cavity is set between the input sliding sleeve and the input positioning sleeve on the input shaft group. The oil cavity is filled with hydraulic oil. The rotation of the spiral blade outside the input sliding sleeve drives the hydraulic oil to circulate through the oil return pipe. When the speed of the input shaft increases instantaneously When the oil return pipe is too late to circulate, the hydraulic oil enters the oil cylinder through the oil inlet pipe, and the cylinder pushes the output triangular cylinder on the output shaft group into the empty cavity, which will disconnect the output shaft group from the input shaft group. Connect, stop transmitting torque;

2. When the input shaft is in normal operation, part of the hydraulic oil enters the accumulator tank through the accumulator check valve. When the input shaft increases the speed instantaneously, too much hydraulic oil enters the accumulator tank and passes through the pressure valve to the accumulator tank. The external hydraulic brake system supplies oil to realize the braking action;

3. This state has low cost and high safety factor.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation of the installation fixing frame of the present invention;

3 is a cross-sectional structural schematic diagram of the present invention;

4 is a schematic structural diagram of the coordination of the output shaft group, the control shaft group and the input shaft group of the present invention;

5 is a schematic structural diagram of a control shaft group of the present invention;

6 is a schematic structural diagram of the cross-sectional view of the output shaft group, the control shaft group and the input shaft group of the present invention;

In the figure: 1-installation bracket, 2-output shaft group, 3-control shaft group, 4-input shaft group, 5-installation plate, 6-output positioning sleeve, 7-input positioning sleeve, 8-output shaft, 9 -Output sliding sleeve, 10-Output sliding cavity, 11-Cylinder, 12-No-load cavity, 13-Output sliding groove, 14-Input shaft, 15-Input sliding sleeve, 16-Sliding cavity, 17-Input sliding groove, 18 -Oil cavity, 19-spiral blade, 20-energy storage check valve, 21-energy storage tank, 22-pressure valve, 23-oil inlet pipe, 24-output triangular cylinder, 25-input triangular cylinder, 26-reset Spring, 27-ring groove, 28-oil return pipe, 29-slide plate, 30-ball.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figures 1-6, the present invention provides a technical solution:

An automobile drive shaft with preventing misoperation, comprising an installation fixing frame 1, an output shaft group 2, a control shaft group 3 and an input shaft group 4, the installation fixing frame 1 is provided with an installation plate 5, and the installation plate 5 An output positioning sleeve 6 and an input positioning sleeve 7 are connected to the side walls at both ends of the bottom through connecting plates, one end of the output shaft group 2 is sleeved on the output positioning sleeve 6, and one end of the input shaft group 4 is inserted through the sleeve. Set on the input positioning sleeve 7, the output shaft group 2 is connected with the input shaft group 4 through the control shaft group 3, the output shaft group 2 is provided with an output shaft 8 and an output sliding sleeve 9, the output sliding sleeve 9 An output sliding cavity 10 and an oil cylinder 11 are provided inside, an empty cavity 12 is arranged at one end of the output sliding cavity 10, and an output chute is evenly opened on the inner side wall of the output sliding cavity 10 on one side of the empty cavity 12 13. The oil cylinder 11 is arranged at the other end of the output sliding cavity 10, the input shaft group 4 is provided with an input shaft 14 and an input sliding sleeve 15, and an input sliding cavity 16 is arranged in the input sliding sleeve 15. An input chute 17 is evenly opened on the inner side wall of the input sliding cavity 16 , an oil cavity 18 is arranged in the input positioning sleeve 7 , and a spiral blade 19 is welded on the outer side of the input sliding sleeve 15 in the oil cavity 18 . One end of the input positioning sleeve 7 is provided with an energy storage check valve 20 and an oil discharge pipe, and the other end of the energy storage check valve 20 is connected with an energy storage tank 21, and one end of the energy storage tank 21 is provided with a pressure Valve 22, an oil inlet pipe 23 is welded on the outer side of the output positioning sleeve 6, the oil inlet pipe 23 is connected by a pipeline and an oil discharge pipe, and the control shaft group 3 is provided with an output triangular prism 24 and an input triangular cylinder 25.

As a preferred embodiment of the present invention, the oil cylinder 11 is provided with a drive rod, and one end of the drive rod extends to the side wall of the output triangular prism 24 .

As a preferred embodiment of the present invention, a return spring 26 is provided on one side of the input triangular prism 25 .

As a preferred embodiment of the present invention, oil passages are evenly opened on the outer side of the output sliding sleeve 9, one end of the oil passage is connected to the oil cylinder 11 through a pipeline, and the inner side wall of the output positioning sleeve 6 is opened with an oil passage. The annular groove 27 corresponding to the oil passage, the oil inlet pipe 23 communicates with the annular groove 27 .

As a preferred embodiment of the present invention, an oil return pipe 28 communicated with the oil cavity 18 is provided on the outer side of the input positioning sleeve 7 .

As a preferred embodiment of the present invention, the output triangular cylinder 24 and the input triangular cylinder 25 are provided with a slide plate 29, a rotary shaft is provided in the slide plate 29, and a ball 30 is sleeved on the rotary shaft, The balls 30 correspond to the output chute 13 and the input chute 17 .

As a preferred embodiment of the present invention, sealing rings are provided at both ends of the oil cavity 18 between the input positioning sleeve 7 and the input sliding sleeve 15 , and hydraulic oil is provided in the oil cavity 18 .

Working principle: First install the drive shaft, connect the input shaft 14 to the external power output, connect the output shaft 8 to the external drive wheel, and fill the oil cavity 18 with hydraulic oil, and then install the mounting plate 5 on the outside through bolts On the fixed plate, during normal driving, the input shaft 14 rotates through the control shaft group 3 to drive the output shaft group 2 to rotate in the input positioning sleeve 17 and the output positioning sleeve 16 respectively to transmit power. When an accident occurs, the driver is too late to carry out When the brake is slammed on the accelerator, the input shaft 14 rotates at a high speed in an instant, and the helical blade 19 outside the output sliding sleeve 9 is normally driven by the hydraulic oil through the circulation of the oil return pipe 28. The hydraulic oil is too late to circulate and enters the and ring through the oil inlet pipe 23. into the groove 27, and into the oil cylinder 11 through the oil passage, the oil cylinder 11 starts to push the output triangular prism 24 on the output shaft group 2 to move to the right, due to the action of the ball 30 on the sliding plate 29, the sliding friction can be reduced, When the sliding plate 29 leaves the output chute 13 and enters the no-load cavity 12, the power transmission stops, which can prevent the function of continuously increasing the driving force from misoperation; during normal driving, the hydraulic oil in the oil cavity 18 rotates in the helical blade 19. The lower part of the thrust of the pump enters into the accumulator tank 21 through the accumulator check valve 20, and the helical blade 19 rotates at a high speed instantaneously, which can send a part of the hydraulic oil into the accumulator tank 21. When the pressure of the accumulator tank 21 increases, The pressure valve 22 opens and supplies oil to the brake oil circuit for braking, so as to avoid accidents caused by wrongly depressing the accelerator when the locomotive starts or reverses.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. An automobile drive shaft with preventing misoperation, characterized in that: it comprises a mounting bracket (1), an output shaft group (2), a control shaft group (3) and an input shaft group (4), the mounting and fixing A mounting plate (5) is arranged on the frame (1), and an output positioning sleeve (6) and an input positioning sleeve (7) are connected to the side walls at both ends of the bottom of the mounting plate (5) through connecting plates. One end of the group (2) is sleeved through the output positioning sleeve (6), one end of the input shaft group (4) is sleeved through the input positioning sleeve (7), and the output shaft group (2) is controlled by The shaft group (3) is connected with the input shaft group (4), the output shaft group (2) is provided with an output shaft (8) and an output sliding sleeve (9), and the output sliding sleeve (9) is provided with an output A sliding cavity (10) and an oil cylinder (11), one end of the output sliding cavity (10) is provided with an empty cavity (12), and the inner side wall of the output sliding cavity (10) is located at one end of the empty cavity (12). The output chute (13) is evenly opened on the side, the oil cylinder (11) is arranged at the other end of the output sliding cavity (10), and the input shaft group (4) is provided with an input shaft (14) and an input sliding sleeve ( 15), the input sliding sleeve (15) is provided with an input sliding cavity (16), an input sliding groove (17) is evenly opened on the inner side wall of the input sliding cavity (16), and the input positioning sleeve (7) ) is provided with an oil cavity (18), the outer side of the input sliding sleeve (15) is located in the oil cavity (18) and is welded with a spiral blade (19), and one end of the input positioning sleeve (7) An energy storage check valve (20) and an oil discharge pipe, the other end of the energy storage check valve (20) is connected with an energy storage tank (21), and one end of the energy storage tank (21) is provided with a pressure valve (22) ), an oil inlet pipe (23) is welded on the outer side of the output positioning sleeve (6), the oil inlet pipe (23) is connected by a pipeline and an oil discharge pipe, and the control shaft group (3) is provided with an output triangular prism A cylinder (24) and an input triangular cylinder (25), the outer side of the input positioning sleeve (7) is provided with an oil return pipe (28) communicating with the oil cavity (18), and the outer side of the output sliding sleeve (9) is provided An oil passage is evenly opened, one end of the oil passage is connected to the oil cylinder (11) through a pipeline, and an annular groove (27) corresponding to the oil passage is formed on the inner side wall of the output positioning sleeve (6). The oil inlet pipe (23) communicates with the annular groove (27). 2. An automobile drive shaft with preventing misoperation according to claim 1, characterized in that: the oil cylinder (11) is provided with a drive rod, and one end of the drive rod extends to the output triangular prism (24). ) on the side wall. 3 . The vehicle drive shaft with preventing misoperation according to claim 1 , wherein a return spring ( 26 ) is arranged on one side of the input triangular prism ( 25 ). 4 . 4. A kind of automobile drive shaft with preventing misoperation according to claim 1, it is characterized in that: described output triangular prism (24) and input triangular cylinder (25) are provided with slide plate (29), so The sliding plate (29) is provided with a rotary shaft, and a ball (30) is sleeved on the rotary shaft, and the ball (30) corresponds to the output chute (13) and the input chute (17). 5. An automobile drive shaft with preventing misoperation according to claim 1, wherein the input positioning sleeve (7) and the input sliding sleeve (15) are located at both ends of the oil cavity (18) A sealing ring is provided, and hydraulic oil is provided in the oil cavity (18).

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