Electric signal switching structure of automobile actuator motor

Abstract

The utility model discloses an electric signal switching structure of an automobile actuator motor, and belongs to the technical field of automobile actuators. The elastic piece fixing device comprises a shell, a driving motor, a circuit board and an elastic piece fixing assembly, the elastic piece fixing assembly comprises a fixing insert block and a metal guide strip, the metal guide strip and the fixing insert block are integrally formed, the fixing insert block is clamped in the shell, the fixing insert block and the shell are combined to form a clamping space, and the clamping space is used for clamping the elastic piece. The driving motor is clamped in the clamping space; the two ends of the metal conducting bar are electrically connected with the driving motor and the circuit board respectively so that electric signals used for controlling the driving motor can be transmitted. According to the utility model, the mounting structure in the bottom shell can be simplified, and the production and manufacturing cost of a mold is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile actuators, in particular to an electrical signal switching structure of an automobile actuator motor. Background Art

[0002] The improvement of automobile automation and digitalization has promoted the rapid development of automotive actuators. Automotive actuators are small components of intelligent electronic control systems that can convert control signals from ECU (automotive electronic control unit) into mechanical or electrical movements to complete control functions and achieve required movements and actions. For example, the shift actuator of an automatic transmission can drive the transmission shift fork to rotate according to electrical signal instructions to achieve shifting actions by attaching a shift actuator to the transmission. There are more and more actuators on cars, such as rearview mirror folding and electric seat adjustment, which are becoming more and more intelligent and humanized. As an action element and execution unit of the electronic control system, the actuator reflects the unstoppable development of automobile intelligence and electrification from a tiny point.

[0003] The power core of the actuator is generally a motor, and the electrical signal of the motor comes from the actuator circuit board. Usually, the motor terminal is plugged into the shell electrode spring, and the shell electrode is then connected to the electrical signal of the circuit board to achieve electrical conduction between the motor and the circuit board.

[0004] Existing actuators usually require the actuator housing to be injection molded, so that the inner cavity of the housing has a complex structure for installing the motor and the motor shrapnel. The volume of the housing is usually large, and the design and production of the complex internal structure are difficult. Utility Model Content

[0005] In view of this, it is necessary to provide an electrical signal transfer structure for an automobile actuator motor to solve the problem that the electrical signal transfer structure of the existing automobile actuator is too complicated and difficult to design and produce.

[0006] The utility model provides an electrical signal transfer structure of an automobile actuator motor, comprising a housing, a drive motor and a circuit board, and also comprising a spring-type fixing component, wherein the spring-type fixing component comprises a fixed insert and a metal guide bar, wherein the metal guide bar and the fixed insert are integrally formed and arranged, wherein the fixed insert is clamped in the housing, wherein the fixed insert and the housing are combined to form a clamping space, wherein the drive motor is clamped in the clamping space; wherein the two ends of the metal guide bar are respectively electrically connected to the drive motor and the circuit board for transmitting an electrical signal for controlling the drive motor.

[0007] Furthermore, the number of the metal conductive bars is two and they are arranged to cooperate with each other. One end of the metal conductive bar is provided with a conductive connector for connecting to the drive motor, and the other end of the metal conductive bar is provided with a plug connector for connecting to the circuit board.

[0008] Furthermore, the conductive connector includes two elastic sheets arranged at relative intervals, one end of the elastic sheet is integrally connected to the metal conductive bar, an insertion space is formed between the two elastic sheets, the motor terminals of the driving motor are movably inserted in the insertion space, and the two elastic sheets are elastically abutted against the motor terminals respectively.

[0009] Furthermore, the plug connector includes an elastic pin integrally connected to the metal conductor, and the elastic pin is movably inserted into the electrical hole of the circuit board.

[0010] Furthermore, the shell includes a bottom shell and a back cover, and the back cover is covered on the bottom shell; a snap-in slot body cooperating with the fixed insert is provided in the bottom shell, and the fixed insert block is snap-fitted into the snap-in slot body, and the snap-in space is located between the snap-in slot body and the fixed insert block.

[0011] Furthermore, a fastening unit is provided between the bottom shell and the fixing insert, and the fastening unit includes a screw hole provided on the bottom shell, a through hole provided on the fixing insert, and a screw, and the screw is screwed to the screw hole through the through hole.

[0012] Furthermore, an arc block is provided on the fixed insert, the arc block is integrally connected to the fixed insert, and the arc block cooperates and abuts against the end of the drive motor to limit the movement of the drive motor.

[0013] Furthermore, the fixed insert is provided with an insert portion, the insert portion is integrally connected to the fixed insert, and the insert portion can be inserted into the positioning hole of the drive motor.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] (1) The utility model discloses an electrical signal transfer structure for an automobile actuator motor, which is provided with a spring-type fixing assembly, wherein the spring-type fixing assembly includes a fixing block and a metal conductor. The metal conductor is a conductor used to transmit electrical signals for controlling the driving motor. The metal conductor is directly formed integrally with the fixing block by injection molding, which can be insulated from the outside to avoid leakage and short circuit problems, and can also reduce the disturbance of the automobile vibration to the conductor, thereby improving the structural stability and safety of use.

[0016] (2) The utility model is an electrical signal transfer structure for an automobile actuator motor, wherein a fixed insert is mounted in a housing, the fixed insert and the housing are combined to form a mounting space, the drive motor is mounted in the mounting space, and the two ends of the metal guide bar are electrically connected to the drive motor and the circuit board respectively, thereby assisting the circuit board in controlling the operation of the drive motor. The fixed insert can not only fix the drive motor, but also transmit the electrical signal for controlling the drive motor, thereby improving the integration of the actuator and saving the internal space of the actuator. The fixed insert can also adjust the connection position of the metal guide bar and the circuit board according to the structural requirements, and has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 An exploded view of the utility model as a whole;

[0019] Figure 2 This is a schematic diagram of the structure of the spring sheet fixing component in the utility model. Figure 1 ;

[0020] Figure 3 This is a schematic diagram of the structure of the spring sheet fixing component in the utility model. Figure 2 ;

[0021] Figure 4 It is a structural schematic diagram of the metal conductor bar in the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the spring sheet fixing component in the utility model. Figure 3 ;

[0023] Figure 6 It is a schematic diagram of the structure of the connection between the spring piece fixing assembly, the driving motor and the circuit board in the utility model;

[0024] Figure 7 This is a schematic diagram of the structure of the connection between the spring fixing component and the drive motor in the utility model. Figure 1 ;

[0025] Figure 8 This is a schematic diagram of the structure of the connection between the spring fixing component and the drive motor in the utility model. Figure 2 ;

[0026] In the figure, 100, outer shell; 110, bottom shell; 111, snap-fitting slot; 120, back cover;

[0027] 200, driving motor;

[0028] 300, circuit board;

[0029] 400, spring sheet fixing assembly; 410, fixing insert; 411, arc block; 412, plug-in portion; 420, metal guide bar; 421, conducting joint; 421a, elastic sheet; 422, plug-in joint; 422a, elastic plug pin. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0031] In this embodiment, an electric signal transfer structure of an automobile actuator motor relates to the technical field of automobile actuators. A fixed insert 410 is arranged in a bottom shell 110, which simplifies the installation structure inside the bottom shell 110 and reduces the production and manufacturing costs of the mold. At the same time, a metal conductor 420 for transmitting electric signals is directly injection molded into the fixed insert 410 to avoid disturbance of the conductor during operation of the automobile, and the structure has high stability and good safety.

[0032] See also Figures 1 to 7 In this embodiment, an electrical signal transfer structure of an automobile actuator motor includes: a housing 100, a drive motor 200, a circuit board 300, and a spring fixing assembly 400. The spring fixing assembly 400 can fix the drive motor 200 in the housing 100 and realize the electrical connection between the drive motor 200 and the circuit board 300. The spring fixing assembly 400 includes a fixed insert 410 and a metal conductor 420. The metal conductor 420 is a conductor used to transmit an electrical signal for controlling the drive motor 200. The metal conductor 420 is directly molded with the fixed insert 410 by injection molding, which can be insulated from the outside to avoid leakage and short circuit problems, and can also reduce the disturbance of the conductor caused by automobile vibration, thereby improving structural stability and safety of use.

[0033] The fixed insert 410 is clamped in the housing 100. The fixed insert 410 and the housing 100 are combined to form a clamping space. The drive motor 200 is clamped in the clamping space. The two ends of the metal guide bar 420 are electrically connected to the drive motor 200 and the circuit board 300 respectively, so as to assist the circuit board 300 in controlling the operation of the drive motor 200. The fixed insert 410 can not only fix the drive motor 200, but also transmit the electrical signal for controlling the drive motor 200, thereby improving the integration of the actuator and saving the internal space of the actuator. The fixed insert 410 can also adjust the connection position of the metal guide bar 420 and the circuit board 300 according to the structural requirements, and has strong applicability.

[0034] In some embodiments, see Figures 2 to 4There are two metal conductors 420 that are arranged in cooperation with each other. The two metal conductors 420 are respectively the positive conductor and the negative conductor of the drive motor 200. One end of the metal conductor 420 is provided with a conductive connector 421 for connecting to the drive motor 200. The conductive connector 421 can be slidably plugged with the motor of the drive motor 200. The other end of the metal conductor 420 is provided with a plug connector 422 for connecting to the circuit board 300. The plug connector 422 can be movably plugged with the electrical hole of the circuit board 300. The metal conductor 420 integrally connected with the fixed insert 410 can be movably plugged with the drive motor 200 and the circuit board 300 during the installation process, thereby facilitating the disassembly and assembly of the fixed insert 410 and facilitating the maintenance and repair of the actuator by the staff.

[0035] In some embodiments, see Figure 3 and Figure 4 The conductive connector 421 includes two elastic sheets 421a arranged at a relative interval, one end of the elastic sheet 421a is integrally connected to the metal conductor bar 420, and a plug-in space is formed between the two elastic sheets 421a. The motor terminal of the drive motor 200 is movably inserted in the plug-in space. After the motor terminal is movably inserted in the plug-in space, the elastic sheet 421a has the intention of compressing the plug-in space under the elastic action, thereby achieving abutment with the motor terminal and achieving excellent electrical connection. The metal conductor bar 420 is generally made of copper, and the metal conductor bar 420, the plug connector 422 and the conductive connector 421 are integrated and formed by bending.

[0036] It should be noted that: as one embodiment, the elastic sheet 421a (such as Figure 3 ) is consistent with the thickness direction of the elastic sheet 421a. The thickness of the thin sheet elastic sheet 421a is thin, the elastic sheet 421a has a small rebound force, the insertion resistance of the motor terminal is weak, and the strength of the electrical connection is average. As another embodiment, the elastic sheet 421a (such as Figure 5 ) is set in a rebound direction perpendicular to the thickness direction of the elastic sheet 421a. By increasing the width of the elastic sheet 421a, the rebound force of the elastic sheet 421a can be increased, the insertion resistance of the motor terminal is weaker, and the strength of the electrical connection is higher.

[0037] In some embodiments, see Figure 4 and Figure 5 The plug connector 422 includes an elastic pin 422a integrally connected to the metal conductor 420. The elastic pin 422a is specifically in an oblate shape. The interior of the elastic pin 422a is hollow. After the two side portions of the elastic pin 422a are inserted into the electrical hole of the circuit board 300, they tend to rebound outward, thereby achieving abutment with the electrical hole of the circuit board 300 and achieving excellent electrical connection.

[0038] In some embodiments, see Figures 1 to 7 The housing 100 includes a bottom housing 110 and a rear cover 120. The rear cover 120 covers the bottom housing 110 to seal the inside of the housing 100. The bottom housing 110 is provided with a clamping groove 111 that cooperates with the fixed insert 410. The fixed insert 410 is clamped in the clamping groove 111. The clamping space is located between the clamping groove 111 and the fixed insert 410. The drive motor 200 is clamped in the clamping space, which can effectively fix the drive motor 200.

[0039] As a further embodiment, a fastening unit is provided between the bottom shell 110 and the fixed insert 410, and the fastening unit includes a screw hole, a through hole and a screw. The screw hole is provided on the bottom shell 110, and the through hole is provided on the fixed insert 410. The screw passes through the through hole and is screwed to the screw hole to prevent the fixed insert 410 from escaping from the snap-in groove 111, thereby further strengthening the fixation of the drive motor 200.

[0040] In some embodiments, see Figure 3 An arc block 411 is provided on the fixed insert 410, and the arc block 411 is integrally connected with the fixed insert 410 and is integrally formed by injection molding. The arc block 411 can cooperate with the shoulder of the drive motor 200 to achieve axial positioning, limiting and fixing of the drive motor 200, limit the slippage of the drive motor 200 relative to the housing 100, and ensure the structural stability inside the actuator.

[0041] In some embodiments, please refer to Figure 3 A plug-in portion 412 is provided on the fixed insert 410, and the plug-in portion 412 is integrally connected to the fixed insert 410 and is integrally formed by injection molding. The plug-in portion 412 is specifically T-shaped, and the plug-in portion 412 can be inserted into a positioning hole on the housing of the drive motor 200 to further position and fix the drive motor 200, enhance the vibration resistance of the drive motor 200, and ensure the structural stability inside the actuator.

[0042] Workflow: First, expose the card slot 111 of the bottom shell 110 to the outside. Then, card the drive motor 200 into the installation space of the bottom shell 110, and then insert the fixed insert 410 into the card slot 111. The conductive connector 421 of the metal conductor 420 is elastically plugged with the motor terminal of the drive motor 200 and maintains electrical connection. The card slot 111 and the fixed insert 410 cooperate to fix the drive motor 200. Finally, the back cover 120 is closed on the bottom shell 110, and the electrical hole of the circuit board 300 set on the back cover 120 cooperates with the plug connector 422 to achieve electrical connection between the circuit board 300 and the drive motor 200.

[0043] The above description is only a preferred specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be covered by the present invention.

Claims

1. An electrical signal transfer structure of an automobile actuator motor, comprising a housing, a drive motor and a circuit board, characterized in that: It also includes a spring sheet fixing assembly, the spring sheet fixing assembly includes a fixing insert and a metal guide bar, the metal guide bar and the fixing insert are integrally formed, the fixing insert is clamped in the shell, the fixing insert and the shell are combined to form a clamping space, and the drive motor is clamped in the clamping space; Two ends of the metal conductive bar are electrically connected to the driving motor and the circuit board respectively to transmit an electrical signal for controlling the driving motor.

2. The electrical signal transfer structure of an automobile actuator motor according to claim 1, characterized in that: There are two metal conductors which are arranged in cooperation with each other. One end of the metal conductor is provided with a conducting connector for connecting to the drive motor, and the other end of the metal conductor is provided with a plug connector for connecting to the circuit board.

3. The electrical signal transfer structure of an automobile actuator motor according to claim 2, characterized in that: The conductive connector includes two elastic sheets arranged at a relative interval, one end of the elastic sheet is integrally connected to the metal conductive bar, an insertion space is formed between the two elastic sheets, the motor terminals of the driving motor are movably inserted in the insertion space, and the two elastic sheets are elastically abutted against the motor terminals respectively.

4. The electrical signal transfer structure of an automobile actuator motor according to claim 2, characterized in that: The plug connector includes an elastic pin integrally connected to the metal conductor, and the elastic pin is movably inserted into the electrical hole of the circuit board.

5. The electrical signal transfer structure of an automobile actuator motor according to claim 1, characterized in that: The shell includes a bottom shell and a back cover, wherein the back cover is covered on the bottom shell; a clamping slot body cooperating with the fixed insert is provided in the bottom shell, the fixed insert block is clamped in the clamping slot body, and the clamping space is located between the clamping slot body and the fixed insert block.

6. The electrical signal transfer structure of the automotive actuator motor according to claim 5, characterized in that: A fastening unit is provided between the bottom shell and the fixing insert. The fastening unit comprises a screw hole provided on the bottom shell, a through hole provided on the fixing insert, and a screw. The screw is screwed to the screw hole through the through hole.

7. The electrical signal transfer structure of an automobile actuator motor according to claim 1, characterized in that: The fixed insert is provided with an arc block, the arc block is integrally connected with the fixed insert, and the arc block is matched and abutted with the end of the driving motor to limit the movement of the driving motor.

8. The electrical signal transfer structure of an automobile actuator motor according to claim 1, characterized in that: The fixed insert block is provided with an inserting portion, the inserting portion is integrally connected with the fixed insert block, and the inserting portion can be inserted into the positioning hole of the driving motor.

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