CN220324256U

CN220324256U - Controller coil fixing structure

Info

Publication number: CN220324256U
Application number: CN202323344586.7U
Authority: CN
Inventors: 田丰; 葛建伟; 黄波
Original assignee: Shanghai Qiangu Automotive Technology Co ltd; Qiangu Automotive Technology Jiangsu Co ltd
Current assignee: Shanghai Qiangu Automotive Technology Co ltd; Qiangu Automotive Technology Jiangsu Co ltd
Priority date: 2023-12-08
Filing date: 2023-12-08
Publication date: 2024-01-09
Anticipated expiration: 2033-12-08

Abstract

The utility model discloses a controller coil fixing structure, which comprises: the controller comprises a shell, and an upper cover is assembled on the upper part of the shell; a coil is pressed in the shell, a circuit board is arranged above the coil, and a hydraulic module is arranged below the coil; the lower end face of the shell is provided with a coil groove, the upper end face of the shell is provided with a plastic arm, special-shaped holes are formed in the periphery of the plastic arm, and interference fit points are formed in the special-shaped holes. The linear gradual change plastic arm elastically presses the coil metal shell, so that the problems of stress concentration and breakage can be solved; the bottom of each coil groove of the controller shell is provided with a convex point, the plastic arm can be protected during press fitting, a certain gap is reserved between the convex point and the coil metal shell after the product is assembled, if the plastic arm is accidentally damaged and broken, the coil metal shell can be hard limited, and the basic function of the product is ensured to be normal; the coil skeleton special-shaped column adopts three straight edges to position, and two interference fit points symmetrically squeeze the arc fit surface of the coil skeleton, so that accurate positioning of the PIN needle is facilitated.

Description

Controller coil fixing structure

Technical Field

The utility model relates to the technical field of automobile controllers, in particular to a controller coil fixing structure.

Background

Certain errors can be introduced into parts such as a shell and a coil of the automobile controller in the manufacturing and assembling processes, so that the coil is axially positioned in the controller to generate clearance or interference fit. The clearance fit can lead to the fact that the coil cannot be positioned accurately in the axial direction inside the controller, and abnormal sound and performance loss can be generated in the use process; interference fit can cause parts such as a controller shell, a circuit board and the like to be excessively stressed and deformed, so that the shell or electronic components are damaged. At present, a rubber ball, a metal elastic sheet or an arc-shaped plastic arm with equal wall thickness and self on a controller shell is frequently used for elastically compacting a coil to eliminate gaps and stress, but the elastic ball or the metal elastic sheet is used for increasing material cost; the arc-shaped plastic arm with equal wall thickness on the controller shell is used, so that stress concentration and fracture of the plastic arm are easy to cause, and the function of axially fixing the coil is lost.

Disclosure of Invention

The utility model aims at: in order to solve the above problems, the present utility model provides a controller coil fixing structure.

The utility model adopts the following technical scheme for realizing the purposes, and comprises the following steps: a controller including a housing, an upper portion of which is equipped with an upper cover;

a coil is pressed in the shell, a circuit board is arranged above the coil, and a hydraulic module is arranged below the coil;

the coil groove is formed in the lower end face of the shell, the plastic arm is arranged on the upper end face of the shell, special-shaped holes are formed in the periphery of the plastic arm, and interference fit points are formed in the special-shaped holes.

As a further description of the above technical solution, the plastic arms are linear gradual plastic arms, and the plastic arms are used for elastically pressing the coil metal shell on the surface of the hydraulic module.

As a further description of the above solution, the plastic arms comprise two, which are symmetrically arranged around the coil.

As a further description of the above technical solution, the coil slot bottom is provided with three bumps for protecting the plastic arms.

As a further description of the above technical scheme, the coil comprises a coil framework and a coil metal shell, the coil framework is fixed inside the coil metal shell, a cylinder and a special-shaped column are arranged on two sides above the coil framework, and the special-shaped column is connected with a PIN needle.

As a further description of the above technical solution, after the housing is assembled with the circuit board, the upper cover and the hydraulic module, a gap exists between the bump and the coil metal shell.

As a further description of the above technical solution, the coil former is in clearance fit with the coil metal shell.

As a further description of the above technical solution, the cylinder, the special-shaped column and the housing are in interference fit.

As a further description of the technical scheme, the special-shaped column and the special-shaped hole are in interference fit, and the PIN is positioned through three sides and straight sides.

As a further description of the above technical solution, the interference fit point symmetrically presses the arc fit surface of the coil former during press fitting.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the linear gradual change plastic arms elastically compress the coil metal shell, and two plastic arms are symmetrically arranged on each coil, so that the problems of stress concentration and breakage of the plastic arms can be solved;

2. according to the utility model, three protruding points are arranged at the bottom of each coil groove of the controller shell, so that the plastic arm can be protected from being over-pressed when the coil is pressed with the controller shell, a certain gap is reserved between the protruding points and the coil metal shell after the product is assembled, for example, the plastic arm is accidentally damaged and broken, the coil metal shell can be hard limited, and the basic function of the product is ensured to be normal;

3. according to the utility model, the coil skeleton special-shaped column is positioned on the controller shell by adopting three straight edges, and two interference fit points symmetrically squeeze the arc fit surface of the coil skeleton, so that the accurate positioning of the PIN needle of the coil skeleton is facilitated.

In order to more clearly illustrate the structural features and functions of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and the embodiments.

Drawings

FIG. 1 is a schematic structural view of a controller coil securing structure of the present utility model;

FIG. 2 is a schematic view of the structure with the upper cover and circuit board removed;

FIG. 3 is a cross-sectional view of a controller coil securing structure of the present utility model;

FIG. 4 is a schematic view of the housing of FIG. 2;

FIG. 5 is a top view of the housing of FIG. 2 with the coil press fit;

FIG. 6 is an enlarged schematic view of FIG. 5;

FIG. 7 is a lower view of the housing of FIG. 2 with the coil press fit;

FIG. 8 is an enlarged schematic view of FIG. 7;

FIG. 9 is a schematic diagram of the structure of the coil of FIG. 2;

fig. 10 is a cross-sectional view of the coil of fig. 9.

Reference numerals: 1. a controller; 11. a housing; 111. a coil groove; 1111. a bump; 112. a plastic arm; 113. a special-shaped hole; 1131. interference fit points; 12. an upper cover; 2. a coil; 21. a coil bobbin; 22. a coil metal shell; 23. a cylinder; 24. a special-shaped column; 25. a PIN needle; 3. a circuit board; 4. and a hydraulic module.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1-10, in one embodiment, a controller coil securing structure includes: controller 1, controller 1 includes a housing 11, an upper portion of housing 11 being equipped with an upper cover 12; the coil 2 is pressed in the shell 11, the circuit board 3 is arranged above the coil 2, and the hydraulic module 4 is arranged below the coil 2.

Further, a coil groove 111 is formed in the lower end face of the shell 11, three protruding points 1111 are formed in the bottom of the coil groove 111, and when the coil 2 is pressed with the shell 11 of the controller 1, the plastic arm 112 can be protected from being damaged by overvoltage; after the product is assembled, a certain gap is also reserved between the protruding point 1111 and the coil metal shell 22, and if the plastic arm 112 is accidentally damaged and broken, hard limit can be generated on the coil metal shell 22, so that the basic function of the product is ensured to be normal.

Further, a plastic arm 112 is arranged on the upper end surface of the housing 11, and after the housing 11 of the controller 1 is assembled with the circuit board 3, the upper cover 12 and the hydraulic module 4, the coil metal shell 22 is elastically pressed on the surface of the hydraulic module 4 by the linear gradual change plastic arm 112 on the housing 11 of the controller 1. Specifically, the plastic arms 112 are linear gradient plastic arms 112, the plastic arms 112 include two, and the plastic arms 112 are symmetrically arranged around the coil 2. The metal shell of the coil 2 is elastically pressed by using the linear gradual change plastic arms 112, and two plastic arms 112 are symmetrically arranged on each coil 2, so that the problems of stress concentration and breakage of the plastic arms 112 can be solved.

Further, the coil 2 comprises a coil framework 21 and a coil metal shell 22, the coil framework 21 is fixed inside the coil metal shell 22, a cylinder 23 and a special-shaped column 24 are arranged on two sides above the coil framework 21, and the special-shaped column 24 is connected with a PIN needle 25. Specifically, the coil framework 21 is in clearance fit with the coil metal shell 22, and the coil framework and the coil metal shell can move relatively; the coil 2 is pressed into the shell 11 of the controller 1, and the shell 11 of the controller 1 is relatively fixed with the coil framework 21 through interference fit between the cylinder 23 and the special-shaped column 24 on the coil framework 21 and the shell 11 of the controller 1, so that a certain holding force is provided.

Further, the plastic arm 112 is provided with a special-shaped hole 113 around, the special-shaped hole 113 is provided with an interference fit point 1131, the special-shaped column 24 on the coil skeleton 21 is positioned on the controller 1 shell 11 by three straight sides, and the two interference fit points symmetrically apply force, so that accurate positioning of the PIN needle 25 is facilitated. Specifically, the shaped post 24 is an interference fit with the shaped hole 113.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A controller coil fixing structure, characterized by comprising: a controller (1), the controller (1) comprising a housing (11), an upper cover (12) being fitted to an upper portion of the housing (11);

a coil (2) is pressed in the shell (11), a circuit board (3) is arranged above the coil (2), and a hydraulic module (4) is arranged below the coil (2);

the coil groove (111) is formed in the lower end face of the shell (11), the plastic arm (112) is arranged on the upper end face of the shell (11), the special-shaped holes (113) are formed in the periphery of the plastic arm (112), and interference fit points (1131) are formed in the special-shaped holes (113).

2. A controller coil fixing structure according to claim 1, wherein the plastic arm (112) is a linear gradual plastic arm (112), and the plastic arm (112) is used for elastically pressing the coil metal shell (22) on the surface of the hydraulic module (4).

3. A controller coil fixing structure according to claim 1, characterized in that the plastic arms (112) comprise two, the plastic arms (112) being symmetrically arranged around the coil (2).

4. A controller coil fixing structure according to claim 1, characterized in that three bumps (1111) are provided at the bottom of the coil groove (111), the bumps (1111) being used for protecting the plastic arms (112).

5. The controller coil fixing structure according to claim 1, wherein the coil (2) comprises a coil framework (21) and a coil metal shell (22), the coil framework (21) is fixed inside the coil metal shell (22), a cylinder (23) and a special-shaped column (24) are arranged on two sides above the coil framework (21), and the special-shaped column (24) is connected with a PIN needle (25).

6. The controller coil fixing structure according to claim 4, wherein a gap exists between the protruding point (1111) and the coil metal case (22) after the housing (11) is assembled with the circuit board (3), the upper cover (12) and the hydraulic module (4).

7. A controller coil fixing structure according to claim 5, wherein the coil bobbin (21) is clearance fitted with the coil metal case (22).

8. A controller coil fixing structure according to claim 5, characterized in that the cylinder (23), the profiled column (24) is interference fit with the housing (11).

9. A controller coil fixing structure according to claim 5, characterized in that the profiled column (24) is in interference fit with the profiled hole (113), and the PIN needle (25) is positioned by three sides and straight sides.

10. A controller coil fixing structure according to claim 1, wherein the interference fit point (1131) symmetrically presses the arc fit surface of the bobbin (21) at the time of press-fitting.