CN210745734U

CN210745734U - Tire pressure controller shell

Info

Publication number: CN210745734U
Application number: CN201921440803.3U
Authority: CN
Inventors: 夏宣林
Original assignee: Yueqing Spark Automobile Electronics Co ltd
Current assignee: Yueqing Spark Automobile Electronics Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-06-12
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a tire pressure controller shell, which adopts a two-section structure, namely a cover body and a shell body, wherein one end of a circuit board is fixed by a rib position after being clamped into a clamping groove formed by two groove bodies on the cover body, 4 signal transmission terminals are distributed on two sides of the circuit board, the connection between the circuit board and the terminals is realized by a tinning mode, and special equipment such as resistance welding is saved; meanwhile, through the ultrasonic welding process, the annular welding ribs of the cover body are connected with the shell after being welded, so that the upper cover and the lower cover are assembled, and the sealing and protecting performance is greatly improved.

Description

Tire pressure controller shell

Technical Field

The utility model relates to the technical field of automobiles, concretely relates to tire pressure controller shell.

Background

With the popularization of automobiles and the progress of technology, the requirements of people on the active safety function are higher and higher; meanwhile, according to the national standard requirements, the tire pressure monitoring also becomes a mandatory standard matching function on the automobile, and the application prospect is considerable.

At present, a plurality of controller shells of tire pressure monitoring devices are available in the market, wherein a sealing ring is used for sealing protection, and an upper shell and a lower shell are connected through screws or a circuit board and a terminal are connected through resistance welding; 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

The utility model aims at providing a tire pressure controller shell, which adopts a two-section structure, namely a cover body and a shell body, one end of a circuit board is fixed by a rib position after being clamped into a clamping groove formed by two groove bodies on the cover body, 4 signal transmission terminals are distributed on two sides of the circuit board, the connection between the circuit board and the terminals is realized by a tinning mode, and special equipment such as resistance welding is saved; meanwhile, through the ultrasonic welding process, the annular welding ribs of the cover body are connected with the shell after being welded, so that the upper cover and the lower cover are assembled, and the sealing and protecting performance is greatly improved.

The utility model provides a technical scheme of above-mentioned problem is: a tire pressure controller shell comprises a shell body, a cover body and a circuit board, wherein two groove bodies used for forming clamping grooves for inserting one end of the circuit board, a plurality of reinforcing ribs symmetrically arranged on the inner wall of each groove body and used for abutting against the circuit board, a socket used for inserting a wiring harness plug and a signal transmission terminal used for electrically connecting the wiring harness plug and the circuit board are convexly arranged on the cover body; the surface layer of one end of the signal transmission terminal is tinned and welded with the circuit board, and the surface layer of the other end of the signal transmission terminal is gilded and arranged in the socket for connecting a wiring harness plug; the lower end of the cover body is provided with an annular welding rib for connecting the shell through ultrasonic welding, and the opening part of the shell is provided with an annular welding groove matched with the annular welding rib.

Furthermore, the cover body is also provided with a ventilation valve mounting groove.

Furthermore, the signal transmission terminal and the cover body are integrally formed by insert injection molding.

Furthermore, the cover body is also provided with two mounting holes which are obliquely arranged relative to the plane where the annular welding ribs are arranged.

Furthermore, a fastener for clamping the plug is further arranged in the socket.

Furthermore, plug boards are arranged on the outer walls of the two groove bodies, and limiting grooves for the plug boards to be clamped in are formed in the inner wall of the opening part of the shell.

Furthermore, a reinforcing rib used for abutting against the circuit board is arranged on the fixing plate in a protruding mode.

The utility model has the advantages that: the tire pressure controller shell comprises a shell body, a signal transmission terminal and a cover body, wherein the cover body is provided with a socket structure matched with a wiring harness plug and a reverse buckling structure for preventing the plug from falling; two mounting holes are formed for mounting the cover body on the vehicle in a matched manner; meanwhile, a plurality of rib positions (reinforcing ribs) are also arranged on the cover body and used for clamping the circuit board, so that the influence of vibration generated in the running process of the automobile on the circuit board is prevented, and a fixing plate used for fixing the circuit board is also arranged at the bottom of the shell; semi-gold tin is plated on the surface of the signal transmission terminal, namely, a contact part with the plug is plated with gold, a welding part with the circuit board is plated with tin, and the contact and tin soldering performances are met; the cover body is also provided with a ventilation valve mounting groove, so that the balance of internal pressure and external pressure is facilitated; the cover body is provided with annular welding ribs, the opening of the shell is provided with an annular welding groove, the cover body and the shell are connected in a seamless mode through an ultrasonic welding process, and the sealing performance is extremely high; the annular welding groove has certain accommodating volume and can prevent overflow phenomenon during ultrasonic welding. The tire pressure controller shell has good sealing performance, is convenient to assemble, has better use performance and is suitable for popularization.

Drawings

Fig. 1 is a structural diagram of a tire pressure controller housing according to the present invention.

Fig. 2 is a structural diagram of a cover according to an embodiment of the present invention.

Fig. 3 is a structural diagram of a socket according to an embodiment of the present invention.

Fig. 4 is a structural view of a tank body according to an embodiment of the present invention.

Fig. 5 is a structural diagram of a housing according to an embodiment of the present invention.

In the figure:

1-a cover body; 2-a shell; 21-an opening part; 22-a limiting groove; 3-a groove body; 31-reinforcing ribs; 32-a plugboard; 4-a socket; 41-a fastener; 5-a signal transmission terminal; 6, fixing a plate; 7-ring welding ribs; 8-an annular welding groove; 9-a vent valve mounting groove; 10-mounting holes.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention and the technical solutions in the prior art, the following description will explain specific embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and for a person skilled in the art, other drawings and other embodiments can be obtained without inventive effort, and the invention is not limited to this example.

Please refer to fig. 1 to 5. The utility model provides a tire pressure controller shell, including casing 2, lid 1 and circuit board (not shown in the figure), the protruding cell body 3 that is used for forming the draw-in groove (not shown in the figure) and supplies circuit board one end to insert that is equipped with of lid 1, a plurality of symmetry locate on the cell body 3 inner wall for the strengthening rib 31 of butt circuit board, be used for supplying pencil plug (not shown in the figure) to insert and signal transmission terminal 5 for the electric connection pencil plug and circuit board, casing 2 bottom is equipped with a plurality of fixed plates 6, a plurality of fixed plate 6 encloses into a draw-in groove with casing 2 both sides wall for the fixed circuit board other end of pegging graft; the surface layer of one end of the signal transmission terminal 5 is tinned and welded with a circuit board, and the surface layer of the other end of the signal transmission terminal 5 is plated with gold and arranged in the socket 4 for connecting a wiring harness plug; the lower end of the cover body 1 is provided with an annular welding rib 7 used for being connected with the shell 2 through ultrasonic welding, and an annular welding groove 8 matched with the annular welding rib 7 is formed in the opening portion 21 of the shell 2.

Supplementary to the explanation, the conventional purpose of the above-mentioned reinforcing rib 31 is: in order to ensure the strength and rigidity of the plastic product and prevent the wall of the plastic part from thickening, the reinforcing ribs 31 are arranged at proper positions of the plastic part, so that the deformation of the plastic part can be avoided, and the flowing condition of the plastic in the plastic part forming process can be improved by the reinforcing ribs under certain conditions. In this example, the reinforcing rib 31 also plays an additional role of abutting and clamping the circuit board, and simultaneously prevents the circuit board from being affected by vibration generated in the running process of the automobile, the simplest shape of the reinforcing rib 31 is a rectangular column body arranged on the inner wall of the groove body 3, but in order to meet some production or structural considerations, the shape and size of the reinforcing rib can be changed.

The surface of the signal transmission terminal 5 is plated with semi-gold tin, namely the surface layer of one end which is contacted with the wiring harness plug is plated with gold, and the welding part with the circuit board is plated with tin, so that the improvement can simultaneously meet the electric connection between the signal transmission terminal and the fixation on the cover body 1; the cover body 1 is provided with an annular welding rib 7, the opening part 21 of the shell body 2 is provided with an annular welding groove 8, the annular welding rib and the annular welding groove are connected in a seamless mode through an ultrasonic welding process, and the sealing performance is extremely high; the annular welding groove 8 has a certain accommodating volume and can prevent overflow phenomenon during ultrasonic welding.

Please refer to fig. 2 and 4 again. In this embodiment, the cover body 1 may further be provided with a ventilation valve mounting groove 9, which is advantageous in that the ventilation valve mounting groove 9 is designed to facilitate installation of the ventilation valve, thereby maintaining the air pressure inside the casing 2 substantially balanced with the external air pressure.

In this embodiment, the signal transmission terminal 5 and the cover 1 may be integrally formed by insert molding, which has the following advantages: the signal transmission terminal 5 and the cover body 1 are combined together by adopting an insert injection molding process, so that the protection performance and the product stability are improved.

Please refer to fig. 1 and fig. 2 again. In this embodiment, the cover body 1 may further be provided with two mounting holes 10 which are obliquely arranged relative to the plane where the annular welding rib 7 is located, so that the purpose of this is to design two mounting holes 10 with an angle difference with the surface, so as to mount the assembly on the vehicle body through screws, which is safe and reliable.

Please refer to fig. 1 and fig. 3 again. In this embodiment, a latch 41 for latching the harness plug may be further provided in the socket 4, so that the latch 41 is provided to abut against the plug to prevent the harness plug from slipping out of the socket 4.

Please refer to fig. 5 again. In this embodiment, the outer walls of the two slot bodies 3 may further be provided with a plug board 32, and the inner wall of the opening 21 of the housing 2 is provided with a limiting groove 22 for the plug board 32 to be inserted into, which is advantageous for better fitting and performing ultrasonic welding after the cover body 1 is mounted on the housing 2.

Please refer to fig. 5 again. In this embodiment, the fixing plate 6 may be provided with a protruding rib 31 for abutting against the circuit board, which has the advantage of better abutting against and locking the circuit board.

Specific embodiments of the present invention have been described above in detail. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by logical analysis, reasoning or limited experiments in the prior art, which are already known to those skilled in the art, should be within the scope of protection defined by the claims.

Claims

1. A tire pressure controller shell which characterized in that: the wiring harness connector comprises a shell (2), a cover body (1) and a circuit board, wherein two groove bodies (3) used for forming clamping grooves for inserting one end of the circuit board, a plurality of reinforcing ribs (31) symmetrically arranged on the inner wall of each groove body (3) and used for abutting against the circuit board, a socket (4) used for inserting a wiring harness plug and a signal transmission terminal (5) used for electrically connecting the wiring harness plug and the circuit board are arranged on the cover body (1) in a protruding mode, a plurality of fixing plates (6) are arranged at the bottom of the shell (2), and a clamping groove is formed by the fixing plates (6) and two side walls of the shell (2) in a surrounding mode and used for; the surface layer of one end of the signal transmission terminal (5) is tinned and welded with the circuit board, and the surface layer of the other end of the signal transmission terminal (5) is plated with gold and is arranged in the socket (4) for connecting a wiring harness plug; the lower end of the cover body (1) is provided with an annular welding rib (7) used for being connected with the shell (2) through ultrasonic welding, and an annular welding groove (8) matched with the annular welding rib (7) is formed in an opening portion (21) of the shell (2).

2. The tire pressure controller housing of claim 1, wherein: the cover body (1) is also provided with a ventilation valve mounting groove (9).

3. The tire pressure controller housing of claim 1, wherein: the signal transmission terminal (5) and the cover body (1) are integrally formed by insert injection molding.

4. The tire pressure controller housing of claim 1, wherein: the cover body (1) is also provided with two mounting holes (10) which are obliquely arranged relative to the plane where the annular welding ribs (7) are arranged.

5. The tire pressure controller housing of claim 1, wherein: and a fastener (41) for clamping the wiring harness plug is further arranged in the socket (4).

6. The tire pressure controller housing of claim 1, wherein: plug boards (32) are further arranged on the outer walls of the two groove bodies (3), and limiting grooves (22) for the plug boards (32) to be clamped into are formed in the inner wall of the opening portion (21) of the shell (2).

7. The tire pressure controller housing of claim 1, wherein: and reinforcing ribs (31) used for abutting against the circuit board are arranged on the fixing plate (6) in a protruding mode.