CN216128089U

CN216128089U - Tire pressure sensor shell

Info

Publication number: CN216128089U
Application number: CN202121536899.0U
Authority: CN
Inventors: 夏宣林
Original assignee: Yueqing Spark Automobile Electronics Co ltd
Current assignee: Yueqing Spark Automobile Electronics Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-03-25
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a tire pressure sensor shell, which comprises a controller shell and a connecting terminal, wherein the controller shell is provided with a cavity and a valve installation part with an insertion hole, the cavity is used for filling sealant and placing a circuit board and a power supply battery, the valve installation part is partially positioned outside the controller shell and extends to the bottom surface of the cavity, the connecting terminal is integrally embedded in the valve installation part and is provided with an installation hole and a pin, the pin penetrates into the cavity and is electrically connected with the circuit board, the controller shell is also provided with a monitoring through hole communicated with the cavity and an annular convex edge formed on the wall surface of the cavity and surrounding the monitoring through hole, a sealing element is placed at the bottom of the annular convex edge, the cavity is also internally provided with a circuit board positioning structure and a power supply battery positioning structure positioned on one side of the circuit board positioning structure. The utility model has simple and reasonable structure, the controller shell and the connecting terminal are combined in an insert injection molding mode, and the power supply battery box circuit board and the like are filled and sealed by sealant after being installed, thereby having good protection effect.

Description

Tire pressure sensor shell

Technical Field

The utility model relates to the technical field of automobiles, in particular to a tire pressure sensor shell.

Background

At present, a plurality of sensor shells of tire pressure monitoring devices exist in the market, wherein an upper cover and a lower cover are adopted in two-piece structures, and the sensor shells are sealed and protected by ultrasonic welding or sealing rings; generally, most of the devices have the defects of more assembling parts, complicated assembly, special equipment requirement, poor protection and the like.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the tire pressure sensor shell which is simple in structure and achieves the purpose of anti-oxidation sealing by pouring sealant.

In order to achieve the purpose, the utility model provides the following technical scheme: a tire pressure sensor shell comprises a controller shell and a connecting terminal, wherein a cavity and a valve installation part with an insertion hole are arranged on the controller shell, an opening of the cavity is located on the upper end face of the controller shell, the cavity is used for filling sealant and placing a circuit board and a power supply battery, the valve installation part is obliquely arranged, the valve installation part is partially located outside the controller shell and extends to the bottom surface of the cavity, the connecting terminal is integrally embedded in the valve installation part and is provided with a mounting hole and a pin, the mounting hole is matched with the insertion hole and is used for fixing an external valve, the pin penetrates into the cavity to form electric connection with the circuit board, a monitoring through hole for communicating the cavity and an annular convex edge which surrounds the monitoring through hole are further arranged on the wall surface of the cavity, the monitoring through hole supplies monitoring elements on the circuit board stretch into the tire inner space, the sealing element is placed at the bottom of the annular convex edge, and a circuit board positioning structure and a power supply battery positioning structure located on one side of the circuit board positioning structure are further arranged in the cavity.

The technical scheme has the advantages that: the controller casing combines with connecting terminal with inserts injection moulding mode, the installation intensity of connecting terminal has been improved, circuit connection's stability has been guaranteed, the inflating valve installation department is the slant setting, consequently, the cartridge hole does not communicate with the die cavity, prevent sealed glue filling back, block up the cartridge hole, circuit board and power supply battery pass through the circuit board location structure and the power supply battery location structure of die cavity, reach the purpose of stable installation circuit board and power supply battery, the formation on the protruding edge of annular, the location of the sealing member of being convenient for is sealed, make the die cavity fill sealed glue after, sealed glue can not flow outside the die cavity through monitoring through-hole, the protecting effect is good, the whole structure is simple, and is reasonable.

Preferably, the circuit board positioning structure comprises four circuit board supporting columns with the same height, the circuit board supporting columns are formed on the bottom surfaces of the cavities below the four corners of the circuit board, the two circuit board supporting columns are provided with threaded holes, and the other two circuit board supporting columns are provided with positioning heads.

The technical scheme has the advantages that: the setting of four support columns for the controller casing is good to circuit board support effect, and the circuit board can not laminate with the die cavity bottom surface simultaneously, and after the encapsulating, reach abundant anti-oxidation protection purpose, and adopt thread tightening's mode, be fixed in the controller casing with the circuit board, circuit board installation dismantlement is convenient, and the formation of location head makes the circuit board can not take place the offset after placing (before not fixed), thereby guarantees the stability that connecting terminal's pin and circuit board are connected.

Preferably, the power supply battery positioning structure comprises three power supply battery supporting columns, and the power supply battery supporting columns are formed on the bottom surface of the cavity and distributed in a triangular shape.

The technical scheme has the advantages that: the formation of power supply battery support column makes power supply battery put the back, can not laminate with the die cavity bottom surface, and the encapsulating back reaches abundant anti-oxidation protection purpose, and the power supply battery support column is triangular distribution, and the supporting effect is good.

Preferably, the power supply battery positioning structure further comprises a plurality of power supply battery contact ribs, and the power supply battery contact ribs are formed on the side surface of the cavity.

The technical scheme has the advantages that: the formation of the convex rib of the contact of the power supply battery enables the power supply battery to form a gap with the inner side surface of the cavity after the power supply battery is placed, and after glue is poured, sealing glue convenient to flow to the space where the cavity is located below the power supply battery and the circuit board, so that the purpose of full anti-oxidation protection is achieved.

Preferably, the power supply battery positioning structure further comprises two power supply battery leg positioning columns, and the two power supply battery leg positioning columns are formed on the bottom surface of the cavity in a bilateral symmetry mode.

The technical scheme has the advantages that: the power supply battery welding leg positioning column is used for limiting the power supply battery welding leg, prevents welding failure caused by deviation in the production process and the like, and ensures the stability of electric connection.

Preferably, the connection reinforcing blocks are symmetrically formed on the left side and the right side of the connection terminal.

The technical scheme has the advantages that: the formation of the connection reinforcing block further improves the connection strength of the connection terminal and the controller case.

Preferably, the inner wall of the insertion hole is provided with four anti-rotation grooves at equal intervals, and the anti-rotation grooves are used for limiting circumferential rotation of the inserted inflating valve.

The technical scheme has the advantages that: make the inflating valve can not take place circumferential direction after the cartridge, guaranteed the stability that inflating valve and connecting terminal are connected.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic bottom view of the present invention;

fig. 4 is a schematic diagram of a connection terminal structure according to the present invention.

Reference numerals: 1-controller shell, 2-connecting terminal, 3-cavity, 4-inflating valve mounting part, 5-plug-in hole, 6-mounting hole, 7-pin, 8-monitoring through hole, 9-annular convex edge, 10-circuit board support column, 11-threaded hole, 12-positioning head, 13-power supply battery support column, 14-power supply battery contact convex rib, 15-power supply battery welding pin positioning column, 16-connection reinforcing block and 17-anti-rotation groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 4, the tire pressure sensor housing comprises a controller housing 1 and a connecting terminal 2, wherein a cavity 3 and a valve installation part 4 with an insertion hole 5 are arranged on the controller housing 1.

In this embodiment, the opening of the cavity 3 is located on the upper end surface of the controller housing 1, the cavity 3 is used for pouring sealant, placing a circuit board and a power supply battery, and the purpose of anti-oxidation protection is achieved by pouring the sealant into the cavity 3, so that compared with the prior art, the ultrasonic welding is used as a sealing protection technology, the cost is lower, and the operation is convenient; the valve installation part 4 is obliquely arranged, the obliquely arranged valve installation part 4 is partially positioned outside the controller shell 1 and extends to the bottom surface of the cavity 3, and the insertion hole 5 is formed by extending along the axis of the valve installation part 4, namely, the insertion hole 5 is not communicated with the cavity 3, so that the insertion hole 5 is prevented from being blocked after sealant is poured; connecting terminal 2 is integrative to be inlayed in inflating valve installation department 4, connecting terminal 2 combines with controller casing 1 with inserts injection moulding mode, connecting terminal 2's installation intensity has been improved, and be equipped with mounting hole 6 and pin 7 on connecting terminal 2, mounting hole 6 cooperatees with cartridge hole 5 and is used for fixed outside inflating valve, pin 7 passes inflating valve installation department 4 and is located the part of die cavity 3, thereby stretch into in the die cavity 3 and form the electricity with the circuit board and be connected, pin 7 is used for realizing the transport of the signal of telecommunication, thereby make the monitoring element who installs on the circuit board in die cavity 3 accomplish the tire pressure monitoring back, accessible connecting terminal 2 controls inflating valve action, realize the control to inside atmospheric pressure of tire.

In this embodiment, still be equipped with the monitoring through-hole 8 of intercommunication die cavity 3 on the controller casing 1, and be formed on the 3 walls of die cavity and around the protruding edge 9 of the annular of monitoring through-hole 8, monitoring through-hole 8 is stretched into to the tire inner space for the monitoring component on the circuit board, thereby monitor tire pressure, the sealing member is placed to the protruding bottom along 9 of annular, the protruding formation along 9 of annular, the location of the sealing member of being convenient for is sealed, make die cavity 3 behind the sealed glue of pouring, sealed glue can not flow to the die cavity 3 outside through monitoring through-hole 8, the protecting effect is good.

In this embodiment, 3 still are equipped with circuit board location structure in the die cavity, circuit board location structure includes four highly uniform's circuit board support column 10, circuit board support column 10 is formed at the bottom surface position that die cavity 3 is located four angles below of circuit board, thereby form the stable support to the circuit board, make the circuit board can not laminate with 3 bottom surfaces of die cavity simultaneously, after the encapsulating, reach abundant anti-oxidation protection purpose, more specifically say, wherein be equipped with screw hole 11 on two circuit board support columns 10, adopt the mode of thread tightening, be fixed in the circuit board on controller casing 1, circuit board installation dismantlement is convenient, be equipped with positioning head 12 on two other circuit board support columns 10, positioning head 12's formation, make circuit board place back (before unfixed) can not take place the skew, guarantee connecting terminal 2 lead 7 feet and the stability that the circuit board is connected.

In this embodiment, circuit board location structure one side still is equipped with power supply battery location structure, and power supply battery location structure includes three power supply battery support column 13, and power supply battery support column 13 is formed on the 3 bottom surfaces of die cavity, and power supply battery support column 13's formation makes power supply battery place the back, can not laminate with the 3 bottom surfaces of die cavity, and after the encapsulating, reach abundant anti-oxidation protection purpose, and power supply battery support column 13 is triangular distribution, and the supporting effect is good.

In this embodiment, power supply battery location structure still includes a plurality of power supply battery contact protruding muscle 14, and power supply battery contact protruding muscle 14 is formed on the die cavity 3 side, the formation of power supply battery contact protruding muscle 14 for power supply battery is placing the back, and power supply battery and 3 side formation clearances of die cavity, and after the encapsulating, the sealant of being convenient for flows to the die cavity 3 and is located the space of power supply battery and circuit board below, thereby reaches abundant anti-oxidation protection purpose.

In this embodiment, power supply battery location structure still includes two power supply battery leg reference columns 15, and two power supply battery leg reference columns 15 bilateral symmetry form on die cavity 3 bottom surface, and power supply battery leg reference column 15 is used for the spacing of power supply battery leg, prevents that production process off normal etc. from arousing welding inefficacy, guarantees the electric connection stability.

In this embodiment, because the weight of the power supply battery is heavier, therefore, the height of the support column 12 of the power supply battery cannot be too high, the forming position of the valve installation part 4 is on one side of the circuit board, the structural design is reasonable, meanwhile, in order to avoid interference of the part of the valve installation part 4 located in the cavity 3 on the circuit board installation, the valve installation part 4 is 21 degrees (the inclination angle of the insertion hole is also 21 degrees), the design of the angle is adopted, the highest point of the valve installation part 4 located in the cavity 3 can be lower than the height of the support column 10 of the circuit board, the influence on the circuit board installation is avoided, meanwhile, the integral shape of the controller shell 1 is attractive, and the design is more reasonable.

In the present embodiment, the connection reinforcing blocks 16 are also symmetrically formed on the left and right sides of the connection terminal 2, and the formation of the connection reinforcing blocks 16 further improves the connection strength between the connection terminal 2 and the controller case 1.

In this embodiment, the inner wall of the insertion hole 5 is provided with four anti-rotation grooves 17 at equal intervals, the anti-rotation grooves 17 are used for limiting circumferential rotation of the inserted valve, and stability of connection between the valve and the connecting terminal is guaranteed.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. A tire pressure sensor casing, includes controller casing (1) and connecting terminal (2), its characterized in that: be equipped with die cavity (3) and inflating valve installation department (4) that have cartridge hole (5) on controller casing (1), the opening of die cavity (3) is located on controller casing (1) up end, die cavity (3) are used for filling sealed glue and place circuit board and power supply battery, inflating valve installation department (4) are the slant setting, the slant setting inflating valve installation department (4) part is located outside controller casing (1) and extend to on die cavity (3) bottom surface, connecting terminal (2) an organic whole inlays and locates in inflating valve installation department (4) and be equipped with mounting hole (6) and pin (7), mounting hole (6) with cartridge hole (5) cooperate and be used for fixed outside inflating valve, pin (7) wear to stretch to form the electricity with the circuit board in die cavity (3), still be equipped with the intercommunication on controller casing (1) monitoring through-hole (8) of die cavity (3) and be formed at on die cavity (3) the wall and around the protruding edge of annular (9) of monitoring through-hole (8), monitoring through-hole (8) confession monitoring component on the circuit board stretches into to the tire inner space in, the sealing member is placed along the bottom of (9) to the annular is protruding, still be equipped with circuit board location structure in die cavity (3) and be located the power supply battery location structure of circuit board location structure one side.

2. The tire pressure sensor housing of claim 1, wherein: the circuit board positioning structure comprises four circuit board supporting columns (10) with the same height, the circuit board supporting columns (10) are formed in bottom face positions, located below four corners of the circuit board, of the cavity (3), threaded holes (11) are formed in the two circuit board supporting columns (10), and positioning heads (12) are arranged on the other two circuit board supporting columns (10).

3. The tire pressure sensor housing of claim 1, wherein: the power supply battery positioning structure comprises three power supply battery supporting columns (13), wherein the power supply battery supporting columns (13) are formed on the bottom surface of the cavity (3) and are distributed in a triangular shape.

4. The tire pressure sensor housing of claim 3, wherein: the power supply battery positioning structure further comprises a plurality of power supply battery contact convex ribs (14), and the power supply battery contact convex ribs (14) are formed on the side face of the cavity (3).

5. The tire pressure sensor housing of claim 4, wherein: the power supply battery positioning structure further comprises two power supply battery welding leg positioning columns (15), and the two power supply battery welding leg positioning columns (15) are formed on the bottom surface of the cavity (3) in a bilateral symmetry mode.

6. The tire pressure sensor housing of claim 1, wherein: connection reinforcing blocks (16) are symmetrically formed on the left side and the right side of the connection terminal (2).

7. The tire pressure sensor housing of claim 1, wherein: the inner wall of the insertion hole (5) is equidistantly provided with four anti-rotation grooves (17), and the anti-rotation grooves (17) are used for limiting circumferential rotation of the inserted valve.