Wheel speed sensor sensing head with long pin wire
By designing a limiting mechanism, the problem of the wire being easily ejected during injection molding is solved, achieving stable positioning of the wire and improving the convenience and stability of injection molding for the wheel speed sensor head.
Patent Information
- Application Number
- CN202520157185.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-23
AI Technical Summary
In existing wheel speed sensor heads, the wires are easily washed out of the plastic groove by the liquid plastic during the injection molding process, resulting in poor injection molding convenience and stability.
A limiting mechanism, including a partition, a telescopic rod, and a telescopic spring, is adopted. Through the cooperation of the limiting protrusion and the connecting rod, the wire is stably positioned to prevent liquid plastic from being ejected.
It improves the convenience and stability of the injection molding process, ensures the positioning effect of the wires, and enhances the stability and reliability of the wires, thus improving the convenience and stability of the injection molding process.
Smart Images

Figure CN223727845U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of sensors, in particular to a wheel speed sensor sensing head with long lead lines. BACKGROUND
[0002] The wheel speed sensor sensing head is a key component for measuring the rotation speed of the automobile wheel, mainly divided into two types of magneto-electric wheel speed sensor and Hall wheel speed sensor. In the automobile wheel speed sensor, the sensor skeleton is very practical as the carrier of the sensor element, which is used to fix the chip during injection molding and connect the chip with the lead line. The recess on the sensor skeleton is used to install the sensor element, and the sensing head part of the wheel speed sensor is formed after injection molding. When the wheel rotates, the sensing head part of the wheel speed sensor can sense the movement of the wheel and transmit data.
[0003] When the skeleton of the wheel speed sensor sensing head is injection molded, the lead line is installed in the skeleton, so that the injected liquid plastic is easy to flush out of the plastic groove during subsequent injection molding, and the position needs to be adjusted. At this time, the lead line is full of liquid plastic, which is not convenient to adjust, so the convenience and stability of injection molding can be further improved. CONTENT OF THE UTILITY MODEL
[0004] In order to improve the convenience and stability of the injection molding of the lead line, the present application provides a wheel speed sensor sensing head with long lead lines.
[0005] The wheel speed sensor sensing head with long lead lines provided by the present application adopts the following technical scheme: a wheel speed sensor sensing head with long lead lines, comprising a skeleton, a chip lead is arranged on the skeleton, a chip slot for installing a chip is arranged on one side of the skeleton, and a limiting mechanism for limiting and installing the lead line is arranged in the skeleton;
[0006] The limiting mechanism comprises a partition plate fixedly installed in the skeleton, and a plastic groove for installing the lead line is formed through the partition plate, the side of the partition plate and the skeleton close to each other is symmetrically provided with a first installation slot and a second installation slot, a telescopic rod is fixedly installed in each of the first installation slot and the second installation slot, a telescopic spring is sleeved on each of the two telescopic rods, and a first limiting block is fixedly installed at the telescopic end of each of the two telescopic rods.
[0007] By compressing the corresponding telescopic rod and telescopic spring, the lead line can be placed on the bottom plate on both sides of the partition plate.
[0008] Preferably, the side of each of the two first limiting blocks close to each other is fixedly installed with a second connecting rod and a third connecting rod, respectively.
[0009] Through adoption of the technical scheme, the second connecting rod can be used to assist installation.
[0010] Preferably, the second connecting rod and the third connecting rod are fixedly installed with second limiting blocks on the side close to each other, and the two second limiting blocks are fixedly installed with the first connecting rod on the side close to each other.
[0011] Through adoption of the technical scheme, the corresponding first connecting rod is loosened, the first limiting block and the second limiting block are driven to be close to each other under the reset action of the telescopic rod and the telescopic spring, and the wires of different sizes can be positioned and installed, so that the injected liquid plastic cannot flush the wires out of the plastic groove, the staff need not to adjust the wires again, and the convenience and stability during use are improved.
[0012] Preferably, a circular hole is formed on one side of the chip pin, and a magnet is arranged in the circular hole.
[0013] Through adoption of the technical scheme, the circular hole can be used to assist installation.
[0014] Preferably, a connecting frame for assisting installation is fixedly installed on one side of the skeleton, and the connecting frame is arranged in an arc shape.
[0015] Through adoption of the technical scheme, the connecting frame can be used to assist installation and support.
[0016] Preferably, a plurality of bottom plates are fixedly installed in the skeleton in a symmetrical manner, and corresponding arc-shaped grooves are formed in the plurality of bottom plates.
[0017] Through adoption of the technical scheme, the bottom plates can be used to assist installation and limiting.
[0018] Preferably, the first limiting block and the second limiting block are arranged in an inclined manner, and the inclined surfaces are in contact with the wires.
[0019] Through adoption of the technical scheme, the first limiting block and the second limiting block are arranged in an inclined manner, so that the wires can be positioned and installed conveniently.
[0020] In summary, the present application has at least one of the following beneficial technical effects:
[0021] 1. The application adopts the cooperation of the first limiting protrusion and the like, compresses the corresponding telescopic rod and telescopic spring, at this time the wires can be placed on the bottom plate on both sides of the partition plate, and through the reset action of the telescopic rod and telescopic spring, the corresponding first limiting protrusion and second limiting protrusion are driven to approach each other, and the wires of different sizes can be positioned and installed, so that the injected liquid plastic cannot flush the wires out of the plastic tank, and the staff does not need to adjust it again, improving the convenience and stability during use.
[0022] 2. The application adopts the cooperation of the first connecting rod and the like, moves through the first connecting rods on both sides, the first connecting rods on both sides move to drive the corresponding second connecting rod and third connecting rod to move, and drive the corresponding first limiting protrusion and second limiting protrusion to move away from each other, so that the positions of a plurality of corresponding first limiting protrusions and second limiting protrusions can be directly adjusted. Therefore, the convenience during use can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a whole structure schematic diagram of a wheel speed sensor sensing head with long pin wires according to an embodiment of the application;
[0024] Figure 2 It is a schematic diagram mainly embodying the internal structure of the skeleton according to an embodiment of the application;
[0025] Figure 3 It is a schematic diagram mainly embodying the limiting structure according to an embodiment of the application;
[0026] Figure 4 It is a local expansion schematic diagram mainly embodying the limiting structure according to an embodiment of the application.
[0027] Reference signs: 1, skeleton; 2, partition plate; 3, chip pin; 4, chip groove; 5, magnet; 6, first limiting protrusion; 7, second limiting protrusion; 8, first connecting rod; 9, first mounting groove; 10, bottom plate; 11, arc-shaped groove; 12, telescopic rod; 13, telescopic spring; 14, round hole; 15, second mounting groove; 16, second connecting rod; 17, third connecting rod; 18, connecting frame; 19, plastic tank. DETAILED DESCRIPTION
[0028] The following will be described in detail in combination with the accompanying Figures 1-4 The application will be further described in detail.
[0029] The embodiment of the application discloses a wheel speed sensor sensing head with long pin wires.
[0030] Reference Figures 1-3The application discloses a wheel speed sensor sensing head with long pin wires, which comprises a framework 1, chip pins 3 arranged on the framework 1, a round hole 14 arranged on one side of the chip pins 3, a magnet 5 arranged in the round hole 14, a chip groove 4 arranged on one side of the framework 1 and used for mounting a chip, and a limiting mechanism arranged in the framework 1 and used for limiting and mounting the wires.
[0031] The limiting mechanism comprises a partition plate 2 fixedly arranged in the framework 1, a plastic groove 19 formed by the partition plate 2 and used for mounting the wires, first mounting grooves 9 and second mounting grooves 15 symmetrically arranged on the side, where the partition plate 2 and the framework 1 are close to each other, telescopic rods 12 fixedly arranged in the first mounting grooves 9 and the second mounting grooves 15, two telescopic springs 13 sleeved on the two telescopic rods 12, two first limiting blocks 6 fixedly arranged at the telescopic ends of the two telescopic rods 12, second connecting rods 16 and third connecting rods 17 fixedly arranged on the side, where the two first limiting blocks 6 are close to each other, two second limiting blocks 7 fixedly arranged on the side, where the second connecting rods 16 and the third connecting rods 17 are close to each other, and first connecting rods 8 fixedly arranged on the side, where the two second limiting blocks 7 are close to each other.
[0032] In use, the wires are arranged on the bottom plates 10 on the two sides of the partition plate 2, and the corresponding first connecting rods 8 are loosened, so that the corresponding first limiting blocks 6 and the second limiting blocks 7 are driven to be close to each other under the reset action of the telescopic rods 12 and the telescopic springs 13, and the wires of different sizes can be positioned and mounted, so that the injected liquid plastic cannot flush the wires out of the plastic groove 19, the staff need not to adjust the wires again, and the convenience and stability in use are improved.
[0033] Reference Figures 2-4 The limiting mechanism further comprises a connecting frame 18 fixedly arranged on one side of the framework 1 and used for auxiliary mounting, the connecting frame 18 is arranged in an arc shape, a plurality of bottom plates 10 are symmetrically fixedly arranged in the framework 1, corresponding arc-shaped grooves 11 are arranged on the plurality of bottom plates 10, the first limiting blocks 6 and the second limiting blocks 7 are arranged in an inclined manner, and the inclined surfaces are in contact with the wires.
[0034] In use, the arc-shaped grooves 11 are arranged to assist in positioning and mounting the wires, and the bottom plates 10 are arranged to assist in supporting the wires.
[0035] The implementation principle of the embodiment of the wheel speed sensor sensing head with long lead wire is as follows: in use, first, the first connecting rods 8 on both sides are pushed to move, the first connecting rods 8 on both sides move to drive the corresponding second connecting rods 16 and third connecting rods 17 to move, and drive the corresponding first limiting blocks 6 and second limiting blocks 7 to move away from each other, and compress the corresponding telescopic rods 12 and telescopic springs 13, at this time, the lead wire can be placed on the bottom plate 10 on both sides of the partition plate 2, and the corresponding first connecting rods 8 are loosened, so that the telescopic rods 12 and telescopic springs 13 reset to drive the corresponding first limiting blocks 6 and second limiting blocks 7 to move close to each other, and the lead wire of different sizes can be positioned and installed, so that the injected liquid plastic is difficult to flush out of the plastic groove 19, and the staff does not need to adjust it again, improving the convenience and stability in use.
[0036] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application shall be covered within the protection scope of the present application.
Claims
1. A wheel speed sensor head with long lead wires, comprising a frame (1), characterized in that: The frame (1) is provided with chip pins (3), and a chip slot (4) for mounting chips is provided on one side of the frame (1). A limiting mechanism for limiting the installation of wires is provided inside the frame (1). The limiting mechanism includes a partition (2) fixedly installed in the frame (1), and a plastic groove (19) for wire installation is formed through the partition (2). The partition (2) and the frame (1) are symmetrically provided with a first mounting groove (9) and a second mounting groove (15) on the side close to each other. Telescopic rods (12) are fixedly installed in the first mounting groove (9) and the second mounting groove (15). Telescopic springs (13) are sleeved on the two telescopic rods (12). The telescopic ends of the two telescopic rods (12) are fixedly installed with first limiting protrusions (6).
2. The wheel speed sensor head with long lead wires according to claim 1, characterized in that: A second connecting rod (16) and a third connecting rod (17) are fixedly installed on the side of the two first limiting protrusions (6) that are close to each other.
3. The wheel speed sensor head with long lead wires according to claim 2, characterized in that: The second connecting rod (16) and the third connecting rod (17) are each fixedly installed with a second limiting protrusion (7) on the side that is close to each other, and the two second limiting protrusions (7) are each fixedly installed with a first connecting rod (8) on the side that is close to each other.
4. The wheel speed sensor head with long lead wires according to claim 1, characterized in that: A circular hole (14) is provided on one side of the chip pin (3), and a magnet (5) is provided in the circular hole (14).
5. A wheel speed sensor head with long lead wires according to claim 1, characterized in that: A connecting frame (18) for auxiliary installation is fixedly installed on one side of the frame (1), and the connecting frame (18) is arc-shaped.
6. The wheel speed sensor head with long lead wires according to claim 1, characterized in that: Multiple base plates (10) are symmetrically fixedly installed inside the frame (1), and each of the multiple base plates (10) has a corresponding arc-shaped groove (11).
7. A wheel speed sensor head with long lead wires according to claim 3, characterized in that: The first limiting protrusion (6) and the second limiting protrusion (7) are both inclined, and the inclined surface is in contact with the wire.