Simple automobile instrument panel pressing needle device

By designing a simple needle-pressing device for automotive dashboards, using a needle shaft clamp to fix the angle of the stepper motor needle shaft, and combining a V-shaped slot guide and a propulsion mechanism, precise installation of the pointer is achieved. This solves the problems of stepper motor damage and high cost during dashboard assembly, improves assembly efficiency, and protects the precision of the dashboard.

CN224209440UActive Publication Date: 2026-05-08YANFENG VISTEON YIDONG AUTOMOTIVE METER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANFENG VISTEON YIDONG AUTOMOTIVE METER CO LTD
Filing Date
2025-04-07
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

The stepper motors used in the pointer-type instruments of existing automotive dashboards are prone to damage during assembly, are costly, and are difficult to use for precise needle positioning.

Method used

A simple needle pressing device was designed, comprising a lower frame, an upper frame, a needle shaft support, a pusher track, a pusher mechanism, a V-shaped slot, and a pusher mechanism. The needle shaft angle of the stepper motor is fixed by the needle shaft clamp, the pointer is guided and positioned by the V-shaped slot, and the needle pressing power is provided by the pusher mechanism to achieve accurate installation of the pointer.

Benefits of technology

It enables precise installation of automotive dashboard pointers, reduces assembly difficulty and cost, protects the precision of the stepper motor, and improves assembly efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224209440U_ABST
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Abstract

The utility model discloses a simple automobile instrument panel pressing needle device which comprises a machine frame, a needle shaft supporting seat is arranged at the bottom of the machine frame, and an instrument stepping motor is arranged on the needle shaft supporting seat. At least two needle shaft clamps are arranged on the two sides of the machine frame and abut against a needle shaft of the instrument stepping motor. A pushing mechanism is arranged above the rack, and a pointer pressing head is arranged below the pushing mechanism. The utility model has the following advantages and effects: the needle shaft of the instrument stepping motor is supported by the needle shaft support seat, and the angle of the needle shaft of the instrument stepping motor is fixed by the two needle shaft clamps. And the clamping groove of the V-shaped clamping groove is used for guiding and positioning the pointer. And the pushing mechanism is used for providing downward power for the pressing needle, so that the pressing head of the pointer is pressed on the pointer downwards, and the purpose of installing the pointer on the instrument stepping motor is achieved. The device has very good universality, press fitting of the automobile instrument panel is completed by combining several simple mechanisms, and the device has the advantages of being simple and low in cost.
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Description

Technical Field

[0001] This utility model relates to automobile dashboards, and in particular to a simple automobile dashboard needle pressing device. Background Technology

[0002] In analog car instruments, stepper motors and pointers are used to indicate the car's status, such as speed, RPM, fuel level, coolant temperature, energy level, and battery level.

[0003] Instrument stepper motors are characterized by high precision and high reliability, requiring high accuracy in the assembly of the pressure pins. However, instrument stepper motors are also fragile, necessitating a single, precise pressure pin placement. Inaccurate pressure pin positioning can damage the instrument stepper motor if the pin is pulled out.

[0004] Given the precision and fragility of instrument stepper motors, and the need for accurate pointer indication in automotive dashboards, a pointer pressing device is required to ensure pointer pressing. To reduce the difficulty and cost, this invention is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a simple needle press device for automotive dashboards.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a simple automotive dashboard needle pressing device, comprising a lower frame, on which an upper frame is mounted; a needle shaft support seat is provided at the bottom of the lower frame, and an instrument stepper motor is mounted on the needle shaft support seat; at least two push rails are provided on the lower frame, and a push-pack mechanism is provided at the rear end of each push rail, with a needle shaft clamp at the end of the push-pack mechanism, the needle shaft clamp abutting against the needle shaft of the instrument stepper motor; a vertically downward pushing mechanism is provided on the upper frame, and a pointer pressing head is provided below the pushing mechanism.

[0007] A further configuration is provided: a V-shaped slot is provided on the frame, and an expansion port is provided above the V-shaped slot.

[0008] The lower frame is further configured such that a rotating mechanism is provided at one end, a middle frame is provided on the rotating mechanism, and the V-shaped slot is fixedly provided on the middle frame.

[0009] The pointer pressure head is further configured to be detachable, with the lower part of the pointer pressure head adapted to the end of the pointer.

[0010] In summary, this utility model has the following beneficial effects: The needle shaft of the instrument stepper motor is fixed at an angle by two needle shaft clamps via a needle shaft support seat. The V-shaped slot guides and positions the pointer. A pushing mechanism provides downward force for the pressing needle, causing the pointer pressing head to press down on the pointer, thus achieving the purpose of mounting the pointer on the instrument stepper motor. This device has excellent versatility; by combining several simple mechanisms, it can complete the pressing of automotive dashboards, offering advantages of simplicity and low cost. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the pressure needle device of this utility model;

[0012] Figure 2 This is a schematic diagram of the V-shaped slot structure;

[0013] Figure 3 for Figure 2 A schematic diagram of direction A in the middle.

[0014] In the diagram: 1. Lower frame; 2. Instrument stepper motor; 3. Needle shaft support; 4. Needle shaft clamp; 5. V-groove; 6. Pointer to be pressed; 7. Pointer press head; 8. Pushing mechanism; 9. Packet pushing mechanism; 10. Rotating mechanism; 11. Upper frame; 12. Middle frame; 13. Pushing track. Detailed Implementation

[0015] The present invention will be further described in detail below with reference to the accompanying drawings.

[0016] A simple automotive dashboard needle press device includes a frame, which is divided into a lower frame 1, a middle frame 12, and an upper frame 11. The upper frame 11 is fixed to one side of the lower frame 1. A rotating mechanism 10 is installed on the lower frame 1, and the middle frame 12 is rotatably connected to the lower frame 1 via this rotating mechanism 10. The lower frame 1 and the middle frame 12 can be connected by hinges, bearings, or other means, ensuring both the movement of the middle frame 12 and the positioning accuracy between the middle frame 12 and the lower frame 1.

[0017] A needle shaft support 3 is located below the lower frame 1. An instrument stepper motor 2 is mounted on the needle shaft support 3. This instrument stepper motor 2 is the object being operated on and is not part of the device itself. This instrument stepper motor 2 is the power mechanism for the pointers on an automotive dashboard; it features high operational precision and good repeatability, but it is also a delicate and fragile component. The needle shaft support 3 is used to reduce the axial force on the instrument stepper motor 2, thus protecting it.

[0018] At least two push rails 13 are provided on the lower frame 1. A push-pack mechanism 9 is located at the end of each push rail 13. A needle shaft clamp 4 is located at the front end of the push-pack mechanism 9. The push-pack mechanism 9 can push the needle shaft clamp 4 forward. The needle shaft clamp is used to fix the angle of the needle shaft of the instrument stepper motor 2. When the instrument stepper motor 2 is powered off, it ensures that the angle of the needle shaft of the instrument stepper motor 2 remains unchanged. Furthermore, it reduces the force on the rotation direction of the needle shaft of the instrument stepper motor 2 during needle pressing.

[0019] A V-shaped slot is also provided on one side of the middle frame 12, near the outer edge. The upper end of the V-shaped slot has an expansion opening, forming a shape that is wider at the top and narrower at the bottom, such as... Figure 2 The diagram shows direction A. The upper slot is wider, which facilitates the insertion of the pointer 6 that needs to be pressed. The lower slot is smaller and the spacing is fixed, which facilitates the insertion and fixation of the pointer 6 that needs to be pressed. When needed, the middle frame 12 is rotated to the predetermined position by the rotating mechanism 10.

[0020] A vertically movable propulsion mechanism 8 is installed above the frame, and a pointer pressure head 7 is installed at the lower end of the propulsion mechanism 8. The pointer pressure head 7 is made according to the different shapes of the pointers, and the two are compatible with each other. Many pointers 6 that need to be pressed have paint and light guiding mechanisms. During the pressing process, the propulsion mechanism 8 transmits power evenly, ensuring that the pointers 6 that need to be pressed and the instrument stepper motor 2 are subjected to uniform force, while also protecting the pointers from damage and avoiding excessive local pressure.

[0021] The specific needle pressing process is as follows: Before pressing, the instrument stepper motor 2 runs to the 1 / 2 range position. There is a V-shaped groove at this 1 / 2 range position, which is used to position and guide the pointer that needs to be pressed. After the pointer is placed into the V-shaped groove, the two needle shaft clamps 4 clamp the pointer. At this time, the instrument stepper motor 2 is de-energized, so that the rotor of the instrument stepper motor 2 is in a free state. Then, the needle shaft support 3 supports the bottom of the needle shaft of the instrument stepper motor 2, and the pushing mechanism 8 pushes the pointer pressing head 7 downward to press the pointer 6 that needs to be pressed.

[0022] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A simple pressure needle device for automotive dashboards, characterized in that: The device includes a lower frame, on which an upper frame is mounted. A needle shaft support is located at the bottom of the lower frame, and an instrument stepper motor is mounted on the needle shaft support. At least two push rails are provided on the lower frame, each with a push-pack mechanism at its rear end. A needle shaft clamp is located at the end of each push-pack mechanism, and the clamp abuts against the needle shaft of the instrument stepper motor. A vertically downward pushing mechanism is located on the upper frame, and a pointer pressure head is located below the pushing mechanism.

2. The simplified automotive dashboard needle press device according to claim 1, characterized in that: The frame is provided with a V-shaped slot, and an expansion port is provided above the V-shaped slot.

3. A simplified automotive dashboard needle press device according to claim 2, characterized in that: A rotating mechanism is provided at one end of the lower frame, and a middle frame is provided on the rotating mechanism. The V-shaped slot is fixedly installed on the middle frame.

4. A simplified automotive dashboard needle press device according to claim 1, characterized in that: The pointer indenter is detachable, and the lower part of the pointer indenter is adapted to the end of the pointer.