CN-224224843-U - Tyre pressure sensor

CN224224843UCN 224224843 UCN224224843 UCN 224224843UCN-224224843-U

Abstract

The embodiment of the application relates to the technical field of sensors and discloses a tire pressure sensor, which comprises a sensor body, a locking piece, a key and a soft rubber elastic piece, wherein the locking piece and the key are arranged on the sensor body, the locking piece is used for locking the sensor body on an air tap, the key is in sliding connection with the locking piece and is used for enabling the air tap to be separated from the locking piece when being pressed, the soft rubber elastic piece and at least one of the locking piece and the key are of an integrated structure, the soft rubber elastic piece comprises a supporting part and a deformation column, the supporting part is of a groove-shaped structure, the periphery of the supporting part is connected with one of the locking piece or the key, one end of the deformation column is connected to the groove bottom of the supporting part, the other end of the deformation column is connected with the other one of the locking piece or the key, and the inner space of the supporting part is used for providing a deformation space for the deformation column when the key is pressed. Through the mode, the number of parts of the tire pressure sensor is reduced, so that the assembly difficulty is reduced.

Inventors

TANG AIMIN
HUANG TAO
LIU ZHANGQIAN
Ning Shaopo

Assignees

深圳市道通科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250507

Claims (10)

1. A tire pressure sensor, characterized in that the tire pressure sensor comprises: A sensor body; the locking piece is arranged on the sensor body and used for locking the sensor body on the air tap; The key is arranged on the sensor body and is in sliding connection with the locking piece, and the key is used for enabling the air tap to be separated from the locking piece when being pressed; The flexible glue elastic piece, with the retaining member with at least one in the button is an organic whole structure, the flexible glue elastic piece includes supporting part and deformation post, the supporting part is slot-like structure, just the periphery of supporting part with the retaining member or one in the button is connected, deformation post's one end is connected to the tank bottom of supporting part, deformation post's the other end with the retaining member or another in the button is connected, deformation post is used for taking place deformation when the button is pressed, the inner space of supporting part is used for deformation post provides deformation space and restriction deformation post's deformation volume.
2. The tire pressure sensor of claim 1, wherein the support portion is formed with a recess on an outer surface of a side facing away from the deformation column, the support portion is configured to deform when the key is pressed, and the recess is configured to provide a deformation space for the support portion.
3. The tire pressure sensor according to claim 2, wherein the groove bottom of the support portion protrudes toward the inside of the support portion to form a convex hull, and the deformation column is connected to the convex hull for bending deformation toward the recess when the key is pressed.
4. The tire pressure sensor of claim 2, wherein the deformation column is connected to an intermediate position of a groove bottom of the support portion.
5. The tire pressure sensor of claim 2, wherein the elastomeric member is of unitary construction with the locking member.
6. The tire pressure sensor of claim 5, wherein the locking member is provided with a through hole, and the soft rubber elastic member is integrally inserted into the through hole.
7. The tire pressure sensor of claim 6, wherein one end of the deformation column is abutted against the key, and the other end is connected to a groove bottom of the supporting portion.
8. The tire pressure sensor of claim 7, wherein an outer sidewall of the support portion at one end of the slot is connected to an inner wall of the through hole.
9. The tire pressure sensor of claim 8, wherein the sensor body is provided with a mounting groove, and the outer wall of the side of the support part facing away from the deformation column is abutted against the groove bottom of the mounting groove.
10. The tire pressure sensor according to claim 6, wherein an outer periphery of the support portion is formed to protrude outward with an engaging portion that is connected with a surface around an orifice of the through hole.

Description

Tyre pressure sensor Technical Field The embodiment of the application relates to the technical field of sensors, in particular to a tire pressure sensor. Background The driving safety is related to the life of drivers and passengers, and the safety of other road users (pedestrians, riders and the like), and the tire pressure of the tire has a great influence on the driving safety, and the problems of tire burst, aggravation of tire abrasion and the like are easily caused by too low or too high tire pressure, so that the driving stability and the driving safety of the vehicle are seriously influenced. Therefore, the monitoring of the tire pressure has great significance for the driving safety. At present, the air pressure and the temperature of a tire are monitored in real time mainly through a tire pressure sensor, and an alarm is sent out when abnormality occurs, so that the driving safety is improved. However, the existing tire pressure sensor has a large number of parts and a complicated assembly process. In addition, because the volume ratio of spring is little, lead to it snatchs the degree of difficulty great, drops in the process of assembly tire pressure sensor easily, and then causes the part to lose. Disclosure of utility model In view of the above problems, embodiments of the present application provide a tire pressure sensor for solving the problems of complicated assembly and easy loss of parts of the existing tire pressure sensor. According to one aspect of the embodiment of the application, the tire pressure sensor comprises a sensor body, a locking piece, a key, a soft rubber elastic piece and a deformation column, wherein the locking piece is arranged on the sensor body and used for locking the sensor body on an air tap, the key is arranged on the sensor body and is in sliding connection with the locking piece and used for enabling the air tap to be separated from the locking piece when being pressed, the soft rubber elastic piece is integrated with at least one of the locking piece and the key, the soft rubber elastic piece comprises a supporting portion and the deformation column, the supporting portion is of a groove-shaped structure, the periphery of the supporting portion is connected with one of the locking piece or the key, one end of the deformation column is connected to the groove bottom of the supporting portion, the other end of the deformation column is connected with the other one of the locking piece or the key, the deformation column is used for deforming when the key is pressed, and the inner space of the supporting portion is used for providing a deformation space for the deformation column and limiting the deformation amount of the deformation column. In an alternative mode, the outer surface of one side of the supporting part, which faces away from the deformation column, is provided with a recess, the supporting part is used for deforming when the key is pressed, and the recess is used for providing deformation space for the supporting part. In an alternative mode, the bottom of the supporting part protrudes towards the inside of the supporting part to form a convex hull, the deformation column is connected to the convex hull, and the convex hull is used for bending deformation towards the concave when the key is pressed. In an alternative, the deformation column is connected to the middle position of the bottom of the groove of the support. In an alternative, the elastomeric member is integrally formed with the locking member. In an alternative mode, the locking piece is provided with a through hole, and the soft rubber elastic piece is inserted into the through hole in an integrated mode. In an alternative mode, one end of the deformation column is abutted against the key, and the other end of the deformation column is connected to the bottom of the supporting part. In an alternative, the outer side wall of the support portion at one end of the slot is connected to the inner wall of the through hole. In an alternative mode, the sensor body is provided with a mounting groove, and the outer wall of one side, deviating from the deformation column, of the supporting part is abutted with the bottom of the mounting groove. In an alternative, the outer periphery of the support portion is formed with an engagement portion protruding outward, the engagement portion being connected with a surface around the orifice of the through hole. According to the embodiment of the application, the soft rubber elastic piece and the locking piece or the key are designed into an integrated structure, so that the number of parts is effectively reduced, the assembly difficulty of the tire pressure sensor is reduced, and the probability of part loss is also reduced. In addition, when the button is pressed, guarantee through deformation of deformation post that the button can slide enough distance, make the air cock break away from the retaining member to limit deformation volume of deformation