Automobile tire pressure sensor convenient to disassemble and assemble

Abstract

The automobile tire pressure sensor comprises a front casing pipe, a rear casing pipe, an external tire pressure sensor, a front sealing sleeve, a rear cover and a rear sealing gasket, the front casing pipe is a hollow casing pipe, the inner diameter of the front casing pipe is larger than the outer diameter of an automobile charging connector, the rear casing pipe is fixedly connected to the rear end of the front casing pipe, and the external tire pressure sensor is fixedly connected to the rear end of the rear casing pipe. The section of the outer ring of the rear sleeve is a polygon convenient to twist, the external tire pressure sensor is fixedly arranged inside the rear sleeve, a connector at the front end of the external tire pressure sensor extends into the front sleeve, the front sealing sleeve is fixedly connected to the inner wall of the front sleeve, the front sealing sleeve is of a sleeve structure made of sealing rubber, and the outer ring of the rear sleeve is provided with an opening. A front sealing sleeve is arranged in the rear sleeve, an annular protrusion is arranged in the front sealing sleeve, the rear cover is fixedly connected to the rear end of the rear sleeve through threads, a rear sealing gasket is connected to the front end of the rear cover in a sleeved mode, and the rear sealing gasket is extruded on a connecting gap between the rear sleeve and the rear cover. The utility model has the advantages of simple structure, safety, effectiveness, good use effect and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile auxiliary equipment, in particular to an automobile tire pressure sensor which is easy to disassemble and assemble. Background Art

[0002] The tire pressure sensors currently available on the market allow drivers to monitor tire pressure in real time and give alarms for tire leaks and low pressure to ensure driving safety. However, tire pressure sensors are divided into internal and external types in terms of installation location. Internal sensors are inconvenient to maintain and difficult to replace after a failure. In addition, internal vehicle tire pressure sensors have poor maintainability. Although external vehicle tire pressure sensors can overcome the above problems, they are installed on the inflation nozzle outside the wheel hub, which is greatly affected by the environment and easily damaged. Utility Model Content

[0003] The utility model aims to provide a tire pressure sensor for automobiles which is easy to disassemble and assemble, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tire pressure sensor for automobiles that is easy to disassemble and assemble, comprising: a front sleeve, a rear sleeve, an external tire pressure sensor, a front sealing sleeve, a rear cover, and a rear sealing gasket. The front sleeve is a hollow sleeve, the inner diameter of the front sleeve is larger than the outer diameter of the vehicle inflation nozzle, the rear sleeve is fixedly connected to the rear end of the front sleeve, and the axes of the rear sleeve and the front sleeve are on the same straight line, the outer ring cross-section of the rear sleeve is a polygon that is easy to twist, the external tire pressure sensor is fixedly arranged inside the rear sleeve, and the connector at the front end of the external tire pressure sensor extends into the front sleeve, the front sealing sleeve is fixedly connected to the inner wall of the front sleeve, the front sealing sleeve is a sleeve structure made of sealing rubber, and an annular protrusion is arranged inside the front sealing sleeve, the rear cover is fixedly connected to the rear end of the rear sleeve by threads, and the front end of the rear cover is sleeved with a rear sealing gasket, and the rear sealing gasket is squeezed on the connecting gap between the rear sleeve and the rear cover.

[0005] Furthermore, the annular protrusion inside the front sealing sleeve is provided with at least two layers.

[0006] Furthermore, a twisting protrusion or a twisting groove is provided at the rear end of the rear cover.

[0007] Compared with the prior art, the utility model has the following beneficial effects: the automobile tire pressure sensor that is easy to disassemble and assemble of the utility model improves the structure of the existing external tire pressure sensor and improves its sealing property with the outside world, so that the external tire pressure sensor is not easily affected by the environment, ensures its normal operation, increases its service life, and is very convenient to install and disassemble; specifically, when in use, firstly sleeve the front sleeve onto the vehicle's inflation nozzle, as it is continuously inserted, the front sealing sleeve will sleeve onto the inflation nozzle, and the front sealing sleeve squeezes the inflation nozzle to form a seal, when the connector of the external tire pressure sensor contacts the inflation nozzle, twist the rear sleeve so that the thread of the connector is connected to the inflation nozzle, and then fix the rear cover. The rear sealing gasket is used to form a seal at the rear end, and the external tire pressure sensor is fixed to the inflation nozzle through the above structure, and the front and rear ends are both sealed to block the contact between the external tire pressure sensor and the external environment, thereby protecting the external tire pressure sensor.

[0008] The utility model has the advantages of simple structure, safety, effectiveness and good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the structure of the utility model;

[0010] In the figure: 1-front casing; 2-rear casing; 3-external tire pressure sensor; 4-front sealing sleeve; 5-rear cover; 6-rear sealing gasket; 7-annular protrusion. DETAILED DESCRIPTION

[0011] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0012] See also Figure 1The utility model provides a tire pressure sensor for automobiles that is easy to disassemble and assemble, comprising: a front sleeve 1, a rear sleeve 2, an external tire pressure sensor 3, a front sealing sleeve 4, a rear cover 5, and a rear sealing gasket 6. The front sleeve 1 is a hollow sleeve, the inner diameter of the front sleeve 1 is larger than the outer diameter of the vehicle inflation nozzle, the rear sleeve 2 is fixedly connected to the rear end of the front sleeve 1, and the axes of the rear sleeve 2 and the front sleeve 1 are in the same straight line, the outer cross-section of the rear sleeve 2 is a polygon that is easy to twist, the external tire pressure sensor 3 is fixedly arranged inside the rear sleeve 2, and the connector at the front end of the external tire pressure sensor 3 extends into the front sleeve 1, the front sealing sleeve 4 is fixedly connected to the inner wall of the front sleeve 1, the front sealing sleeve 4 is a sleeve structure made of sealing rubber, and an annular protrusion 7 is arranged inside the front sealing sleeve 4, the rear cover 5 is fixedly connected to the rear end of the rear sleeve 2 by threads, and the front end of the rear cover 5 is sleeved with a rear sealing gasket 6, and the rear sealing gasket 6 is squeezed on the connecting gap between the rear sleeve 2 and the rear cover 5.

[0013] The structure of the existing external tire pressure sensor 3 is improved to improve its sealing performance with the outside world, so that the external tire pressure sensor 3 is not easily affected by the environment, its normal operation is guaranteed, the service life is increased, and the installation and disassembly are very convenient; specifically, when in use, the front sleeve 1 is first sleeved onto the vehicle's inflation nozzle, and as it is continuously inserted, the front sealing sleeve 4 will be sleeved onto the inflation nozzle, and the front sealing sleeve 4 squeezes the inflation nozzle to form a seal, and when the connector of the external tire pressure sensor 3 contacts the inflation nozzle, the rear sleeve 2 is twisted so that the thread of the connector is connected to the inflation nozzle, and then the rear cover 5 is fixed. The rear sealing gasket 6 is used to form a seal at the rear end, and the external tire pressure sensor 3 is fixed to the inflation nozzle through the above structure, and the front and rear ends are sealed to block the contact between the external tire pressure sensor 3 and the external environment, thereby protecting the external tire pressure sensor 3.

[0014] Furthermore, the annular protrusion 7 inside the front sealing sleeve 4 is provided with at least two layers. The multi-layer annular protrusion 7 can form a multi-layer sealing ring to improve the sealing effect.

[0015] Furthermore, a twisting protrusion or a twisting groove is provided at the rear end of the rear cover 5. By providing the twisting protrusion or the twisting groove at the rear end of the rear cover 5, the disassembly of the rear cover 5 is more convenient and quick.

[0016] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automobile tire pressure sensor that is easy to disassemble and assemble, characterized in that: include: A front sleeve (1), a rear sleeve (2), an external tire pressure sensor (3), a front sealing sleeve (4), a rear cover (5), and a rear sealing gasket (6), wherein the front sleeve (1) is a hollow sleeve, the inner diameter of the front sleeve (1) is larger than the outer diameter of the vehicle inflation nozzle, the rear sleeve (2) is fixedly connected to the rear end of the front sleeve (1), and the axes of the rear sleeve (2) and the front sleeve (1) are on the same straight line, the outer cross-section of the rear sleeve (2) is a polygon that is easy to twist, and the external tire pressure sensor (3) is fixedly arranged inside the rear sleeve (2). The front end of the tire pressure sensor (3) is connected to the front sleeve (1), and the front sealing sleeve (4) is fixedly connected to the inner wall of the front sleeve (1). The front sealing sleeve (4) is a sleeve structure made of sealing rubber, and an annular protrusion (7) is arranged inside the front sealing sleeve (4). The rear cover (5) is fixedly connected to the rear end of the rear sleeve (2) by means of threads, and a rear sealing gasket (6) is sleeved on the front end of the rear cover (5). The rear sealing gasket (6) is squeezed on the connection gap between the rear sleeve (2) and the rear cover (5).

2. The automobile tire pressure sensor that is easy to disassemble and assemble according to claim 1, characterized in that: The annular protrusion (7) inside the front sealing sleeve (4) is provided with at least two layers.

3. The automobile tire pressure sensor that is easy to disassemble and assemble according to claim 1, characterized in that: The rear end of the rear cover (5) is provided with a twisting protrusion or a twisting groove.

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