CN111976392A - Central inflation/deflation wheel edge system and automobile - Google Patents

Abstract

The invention relates to the technical field of automobiles, in particular to a central inflating and deflating wheel system and an automobile, comprising an axle housing; a wheel hub, which is rotatably arranged on the axle housing; on the wheel hub, and can rotate together with the wheel hub; there is a cavity between the sealing lips of the oil and gas sealing belt ABS ring gear assembly; the first air path component is arranged on the oil and gas sealing belt ABS ring gear assembly , one end is communicated with the cavity, and the other end is communicated with the tire; the oil and gas seal seat ring is arranged in the sealing lip and is fixedly connected with the axle housing; the second air path component is arranged on the oil and gas seal seat ring One end is communicated with the cavity, and the other end is communicated with the inflation pump. The invention can ensure the safety of the air path of the central inflating and deflating wheel system, so that the air pressure of the tire can be adjusted according to the driving needs, and the driving experience can be improved.

Description

A central inflatable and deflated wheel system and automobile

technical field

The invention relates to the technical field of automobiles, in particular to a central inflatable and deflated wheel system and an automobile.

Background technique

With the development of the automobile industry, more and more automobiles have entered the actual production and life, and have provided great convenience for people's lives. In a car, tires play an important role in driving safety and driving experience.

For some special road conditions, the air pressure of the tires needs to be adjusted so that the tires can better adapt to the road conditions. However, in the prior art, there are few commercial vehicles that utilize the central inflating and deflating wheel-side air paths, and the arrangement of external air pipes is usually adopted. The driving experience is poor and even affects the driving safety.

Therefore, there is a need for a central inflatable wheel system and an automobile to solve the above technical problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a central inflating and deflating wheel rim system and an automobile, which can ensure the safety of the air path of the central inflating and deflating wheel rim system, so as to adjust the air pressure of the tires according to the driving needs and improve the driving experience.

For this purpose, the present invention adopts the following technical solutions:

A central inflatable wheel rim system, comprising:

axle housing;

a wheel hub, rotatably arranged on the axle housing;

The oil and gas sealing belt ABS ring gear assembly is arranged on the hub and can rotate together with the wheel hub; there is a cavity between the sealing lips of the oil and gas sealing belt ABS ring gear assembly;

a first air path assembly, which is arranged on the oil and gas sealing belt ABS ring gear assembly, one end communicates with the cavity, and the other end communicates with the tire;

an oil and gas seal seat ring, which is arranged in the sealing lip and is fixedly connected with the axle housing;

The second air passage assembly is arranged on the oil and gas seal seat ring, and one end is communicated with the cavity, and the other end is communicated with the air charging and discharging pump.

Optionally, the first air path assembly includes a first joint and a first gas pipe, the first joint is arranged on the oil and gas sealing belt ABS ring gear assembly and communicates with the cavity, and the first gas pipe One end is communicated with the first joint, and the other end is communicated with the tire.

Optionally, the wheel hub is provided with a first through hole, and the first air pipe passes through the first through hole and communicates with the tire.

Optionally, it further includes a first tracheal protective sleeve, the first tracheal protective sleeve is penetrated on the first through hole, and the first tracheal protective sleeve is penetrated in the first tracheal protective sleeve.

Optionally, the second air circuit assembly includes a second joint and a second gas pipe, the second joint is arranged on the oil and gas seal seat ring and communicates with the cavity, and one end of the second gas pipe is It is communicated with the second joint, and the other end is communicated with the inflation pump.

Optionally, a sealing ring is further included, and the sealing ring is arranged between the second joint and the oil and gas seal seat.

Optionally, it also includes a connecting plate, the connecting plate is arranged on the axle housing, and a second through hole is opened on the connecting plate, and the second air pipe passes through the second through hole and communicates with the inflation pump. .

Optionally, it further includes a second tracheal protection sleeve, the second tracheal protection sleeve is penetrated on the second through hole, and the second tracheal tube is penetrated in the second tracheal protection sleeve.

Optionally, a first bearing and a second bearing are arranged on the wheel hub at intervals, and the wheel hub is rotatably arranged on the axle housing through the first bearing and the second bearing.

An automobile is provided with the above-mentioned central inflatable wheel rim system.

Beneficial effects of the present invention:

In the central air-filling and deflating wheel system provided by the present invention, a wheel hub is rotatably arranged on the axle housing, an oil-gas sealing belt ABS ring gear assembly is arranged on the wheel hub, and the sealing lip of the oil-gas sealing belt ABS ring gear assembly is arranged between the sealing lips. There is a cavity in the space, one end of the first air path component is communicated with the cavity, the other end is communicated with the tire, one end of the second air path is communicated with the cavity, and the other end is communicated with the inflation and deflation pump. The air pump adjusts the air pressure of the tire through the second air path, the cavity and the first air path, so that the tire air pressure can be adjusted according to the driving needs and the driving experience can be improved; The second air path is arranged on the oil and gas seal seat ring, which can ensure the safety of the air path of the central inflating and deflating wheel rim system.

The automobile provided by the present invention is provided with the above-mentioned central inflating and deflating wheel rim system, which can ensure the safety of the air path of the central inflating and deflating wheel rim system, so that the air pressure of the tires can be adjusted according to the driving needs, and the driving and riding can be improved. experience.

Description of drawings

FIG. 1 is a cross-sectional view of a central inflatable wheel rim system of the present invention.

In the picture:

1. Axle housing; 2. Wheel hub; 21. First bearing; 22. Second bearing; 3. Oil and gas seal with ABS ring gear assembly; 4. First air path assembly; 41, First joint; 42, First 43. The first protective cover; 5. The second gas circuit assembly; 51, The second joint; 52, The second gas pipe; 53, The second protective cover;

Detailed ways

The technical solutions of the present invention are further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, the accompanying drawings only show some but not all of the parts related to the present invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

In order to ensure the safety of the air path of the central inflating and deflating wheel rim system, so as to adjust the air pressure of the tires according to the driving needs, and improve the driving experience, as shown in FIG. 1 , the present invention provides a central inflating and deflating wheel rim system. The central inflatable and deflated wheel system includes: axle housing 1, wheel hub 2, oil and gas seal belt ABS ring gear assembly 3, first air path assembly 4, oil and gas seal seat ring 6 and second air path assembly 5; among them, wheel hub 2 Rotationally arranged on the axle housing 1; the oil and gas sealing belt ABS ring gear assembly 3 is arranged on the hub 2, and can rotate together with the wheel hub 2, and there is a cavity between the sealing lips of the oil and gas sealing belt ABS ring gear assembly 3; An air path assembly 4 is arranged on the oil and gas sealing belt ABS ring gear assembly 3, one end is communicated with the cavity, and the other end is communicated with the tire; the oil and gas sealing seat ring 6 is arranged in the sealing lip and is fixedly connected with the axle housing 1; the second The air passage assembly 5 is arranged on the oil and gas seal seat ring 6, and one end is communicated with the cavity, and the other end is communicated with the charging and discharging pump.

There is a cavity between the sealing lips of the oil and gas seal belt ABS ring gear assembly 3. One end of the first air path assembly 4 is communicated with the cavity, the other end is communicated with the tire, one end of the second air path 5 is communicated with the cavity, and the other end is communicated with the cavity. One end is connected with the inflation and deflation pump. By controlling the inflation and deflation pump, the inflation and deflation pump adjusts the air pressure of the tire through the second air path 5, the cavity and the first air path 4, so that the tire air pressure can be adjusted according to the driving needs, and the driving force can be improved. ride experience.

Specifically, apply a small amount of all-weather lithium-based grease on the surface of the oil and gas seal seat ring 6 and the sealing lip of the oil and gas seal belt ABS ring gear assembly 3, and then insert the oil and gas seal seat ring 6 into the oil and gas seal belt ABS tooth Ring assembly 3. Before inserting, use special tools to open the sealing lip of the oil and gas seal belt ABS ring gear assembly 3 to ensure the smooth and accurate installation process. After inserting, turn the oil and gas seal seat ring 6 for 2-3 circles The mating surface of the seat ring 6 and the oil and gas seal belt ABS ring gear assembly 3 forms a complete and effective oil film. After checking the air tightness of the air passage, the wheel hub 2 is slowly and firmly fitted onto the axle housing 1.

The cavity between the sealing lips of the ABS ring gear assembly 3 and the fixed oil and gas seal seat ring 6 form a relatively rotating, stable and reliable air passage through the first air passage assembly 4 and the second air passage. Component 5 realizes that the air source is exported from the inside of the frame to the tire valve part, avoiding the risk of air leakage caused by scratches and wear caused by the air pipe hanging on the outside of the tire, and effectively improving the safety and reliability of the central inflation and deflation system. sex.

Further, the first gas path assembly 4 includes a first joint 41 and a first gas pipe 42, the first joint 41 is arranged on the oil and gas sealing belt ABS ring gear assembly 3 and communicates with the cavity, and one end of the first gas pipe 42 is connected to the first gas pipe 42. The joint 41 is communicated, and the other end communicates with the tire. Specifically, the first joint 41 is an L-shaped rotary quick-plug joint. During installation, the tapered threads of the first joint 41 are coated with sealant and then fastened to the oil and gas sealing belt ABS ring gear assembly 3 with a torque of 10Nm. The first joint 41 can be rotated at any angle. Compared with the traditional L-shaped quick-plug joint, the angle deflection direction is inconsistent during installation, the assembly and adjustment are more convenient, the repeated work of re-installation and adjustment of the joint is effectively avoided, and the production efficiency is high. Through the above arrangement, the stable connection between the first joint 41 and the oil and gas sealing belt ABS ring gear assembly 3 is ensured, and the sealing effect between the first joint 41 and the oil and gas sealing belt ABS ring gear assembly 3 is ensured, and the gas is prevented from flowing from the first joint. The gap between 41 and the oil and gas sealing belt ABS ring gear assembly 3 leaks out; and the first joint 41 is an L-shaped rotary quick-plug joint to facilitate the installation of the first gas pipe 42 .

Further, the wheel hub 2 is provided with a first through hole, and the first air pipe 42 passes through the first through hole and communicates with the tire. The first trachea 42 can be fixed and limited through the first pass, thereby protecting the first trachea 42 . Specifically, the first protective cover 43 is pierced through the first through hole, and the first air tube 42 is pierced in the first protective cover 43 . The first gas pipe 42 can be protected by the first protective cover 43, thereby preventing the first gas pipe 42 from being worn and causing gas leakage.

Further, the second gas path assembly 5 includes a second joint 51 and a second gas pipe 52 , the second joint 51 is arranged on the oil and gas seal seat ring 6 and communicates with the cavity, and one end of the second gas pipe 52 is connected to the second joint 51 The other end is communicated with the inflation and deflation pump. Specifically, the second joint 51 is a straight-through quick-plug joint, and the second joint 51 is equipped with an O-shaped rubber sealing ring of a special size and is fastened to the oil and gas seal seat ring 6 with a torque of 5Nm. The O-shaped rubber sealing ring is arranged between the second joint 51 and the oil and gas seal seat ring 6 to prevent gas from leaking out through the gap between the second joint 51 and the oil and gas seal seat ring 6 . The second joint 51 adopts a straight-through quick-plug joint, which has a simple structure and is easy to install, solves the problem that the inner space of the wheel is small and is not conducive to installation, and reduces the difficulty of installation work.

Further, in order to facilitate the limitation of the position of the second air pipe 52, the central inflating and deflating wheel rim system further includes a connecting plate, which is arranged on the axle housing 1, and has a second through hole on it, through which the second air pipe 52 passes. The second through hole is communicated with the inflation and deflation pump. The position of the second air pipe 52 is defined by the second through hole, which facilitates the installation of the second air pipe 52 in the small space inside the wheel rim.

Further, in order to prevent the second air pipe 52 from being worn out, thereby causing the second air pipe 52 to fail and leak air, the central inflating and deflating wheel rim system further includes a second protective sleeve 53, which is pierced on the second through hole. , the second trachea 52 is penetrated in the second protective cover 53 .

Further, a first bearing 21 and a second bearing 22 are arranged on the wheel hub 2 at intervals, and the wheel hub 2 is rotatably arranged on the axle housing 1 through the first bearing 21 and the second bearing 22 . Specifically, the first bearing 21 and the second bearing 22 are respectively pressed into the wheel hub 2 according to conventional methods and technical requirements using special tooling. The arrangement of the first bearing 21 and the second bearing 22 ensures that the wheel hub 2 rotates relatively smoothly with respect to the axle housing 1 .

This embodiment also provides an automobile, which is provided with the above-mentioned central inflating and deflating wheel rim system, which can ensure the safety of the air path of the central inflating and deflating wheel rim system, so that the air pressure of the tires can be adjusted according to the driving needs, and the driving force can be improved. ride experience.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the embodiments of the present invention. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (10)

1. a central inflatable and deflated wheel system, is characterized in that, comprises: axle housing (1); a wheel hub (2), rotatably arranged on the axle housing (1); The oil and gas sealing belt ABS ring gear assembly (3) is arranged on the wheel hub (2) and can rotate together with the wheel hub (2); the sealing lip of the oil and gas sealing belt ABS ring gear assembly (3) There is a cavity between; a first air path assembly (4), arranged on the oil and gas sealing belt ABS ring gear assembly (3), one end is communicated with the cavity, and the other end is communicated with the tire; An oil and gas seal seat ring (6) is arranged in the sealing lip and is fixedly connected with the axle housing (1); The second air passage assembly (5) is arranged on the oil and gas seal seat ring (6), and one end is communicated with the cavity, and the other end is communicated with the air charging and discharging pump. 2. A central inflating and deflating wheel rim system according to claim 1, characterized in that the first air path assembly (4) comprises a first joint (41) and a first air pipe (42), the The first joint (41) is arranged on the oil and gas sealing belt ABS ring gear assembly (3) and communicates with the cavity, and one end of the first gas pipe (42) is communicated with the first joint (41), The other end communicates with the tire. 3. A central inflating and deflating wheel rim system according to claim 2, characterized in that a first through hole is formed on the hub (2), and the first air pipe (42) passes through the first through hole. A through hole communicates with the tire. 4. A central inflating and deflating wheel rim system according to claim 3, characterized in that it further comprises a first protective cover (43), the first protective cover (43) passing through the first channel On the hole, the first trachea (42) is penetrated in the first protective cover (43). 5. A central inflating and deflating wheel rim system according to claim 1, characterized in that the second air path assembly (5) comprises a second joint (51) and a second air pipe (52), the The second joint (51) is arranged on the oil and gas seal seat ring (6) and communicates with the cavity. One end of the second gas pipe (52) is communicated with the second joint (51), and the other end is in communication with the second joint (51). communicate with the inflation pump. 6. A central inflating and deflating wheel edge system according to claim 5, characterized in that it further comprises a sealing ring, and the sealing ring is arranged between the second joint (51) and the oil and gas seal seat ring ( 6) between. 7. A central inflating and deflating wheel rim system according to claim 5, characterized in that it further comprises a connecting plate, the connecting plate is arranged on the axle housing (1), and a second port is opened on the connecting plate. A hole, the second air pipe (52) communicates with the inflation pump through the second through hole. 8 . The central inflating and deflating wheel rim system according to claim 7 , further comprising a second protective cover ( 53 ), the second protective cover ( 53 ) passing through the second channel. 9 . On the hole, the second trachea (52) passes through the second protective cover (53). 9. A central inflating and deflating wheel edge system according to claim 1, wherein a first bearing (21) and a second bearing (22) are arranged on the wheel hub (2) at intervals, and the The wheel hub (2) is rotatably arranged on the axle housing (1) through the first bearing (21) and the second bearing (22). 10. An automobile, characterized in that, the central inflatable and deflated wheel rim system according to any one of claims 1-9 is provided on it.

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