Mobile phone vibration motor inner end face resistance test fixture

Abstract

The utility model discloses a mobile phone vibration motor inner end face resistance test fixture, and belongs to the technical field of detection tools. The device comprises a bottom plate, a product positioning block is movably arranged on the bottom plate, a product is positioned and inserted on the product positioning block, a group of positive electrode detection blocks are arranged on the bottom plate and positioned on each of the two sides of the product, and a negative electrode detection block is arranged above the product; the positive electrode detection block is located between two adjacent to-be-detected inner end faces of a product, and the negative electrode detection block is in contact with a non-insulating face on the upper portion of the product. According to the utility model, by moving the product positioning block back and forth, the product placed on the product positioning block is driven to contact with the positive electrode detection block at the corresponding side, and the negative electrode detection block which is always contacted with the non-insulating surface of the product is matched, so that the synchronous detection of a plurality of inner end surface detection points in the same direction of the product can be realized, and the detection efficiency is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of detection tooling, and particularly relates to a jig for testing the resistance of the inner end face of a mobile phone vibration motor. Background Technique

[0002] The mobile phone vibration motor is an important component applied to mobile phones. Its main function is to provide tactile feedback for users by generating vibration effects, especially in mobile phone operations. This vibration feedback can be felt in scenarios such as receiving incoming calls, clicking virtual keys, and following the game rhythm when playing games. By cooperating with software algorithms, the usage experience effect can be enhanced in various scenarios.

[0003] During the production process of the mobile phone vibration motor, it is necessary to detect the resistance value between its inner end face and the non-insulated surface to evaluate whether it meets the processing requirements; however, there are many detection points on its inner end face, and multiple detections are required. Moreover, due to the structure of the part itself, it is not convenient to detect multiple detection points simultaneously, resulting in problems such as cumbersome detection operations and long detection time. Content of the Utility Model

[0004] Aiming at the above problems existing in the prior art, the purpose of the utility model is to provide a jig for testing the resistance of the inner end face of a mobile phone vibration motor, which can realize the rapid synchronous detection of multiple detection points and effectively improve the detection efficiency.

[0005] The utility model provides the following technical solution: A jig for testing the resistance of the inner end face of a mobile phone vibration motor, including a bottom plate, on which a product positioning block is movably arranged, the product is inserted and placed on the product positioning block, and on both sides of the product on the bottom plate, a set of positive detection blocks are provided, and a negative detection block is provided above the product; the positive detection block is located between two adjacent inner end faces to be detected of the product, and the negative detection block is in contact with the non-insulated surface of the upper part of the product.

[0006] Further, a fixed plate assembly for installing each part is provided on the bottom plate, and the fixed plate assembly includes a front fixed plate, a rear fixed plate and side fixed plates on both sides.

[0007] Further, a rotating rod is rotatably arranged between the front fixed plate and the rear fixed plate, a moving block is threadedly engaged with the rotating rod, the product positioning block is fixedly arranged on the moving block, and a set of guide rods for guiding the movement of the moving block are provided between the front fixed plate and the rear fixed plate.

[0008] Further, a positive detection block mounting plate is fixedly arranged on the side fixed plate, a guide shaft is provided on the positive detection block mounting plate, the positive detection block is arranged in cooperation with the guide shaft, and springs are provided on both sides of the positive detection block to achieve elastic contact with the detection surface.

[0009] Further, one end of the rotating rod penetrates through the front fixing plate and is equipped with a rotating handwheel.

[0010] Further, the negative electrode detection block is fixed on the negative electrode detection block mounting rod, and the negative electrode detection block mounting rod is rotatably arranged on the side fixing plates on both sides. One end of the negative electrode detection block mounting rod is provided with an inclined surface, and the corresponding side fixing plate is provided with an inclined surface that cooperates with it.

[0011] Further, a detection plate is provided on the bottom plate, and detection points connected to the positive electrode detection block and the negative electrode detection block by wires are provided on the detection plate.

[0012] By adopting the above technology, compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1) In the present utility model, by moving the product positioning block back and forth, the product placed on the product positioning block is driven to contact the positive electrode detection block on the corresponding side, and in cooperation with the negative electrode detection block that has been in contact with the non-insulated surface of the product, synchronous detection of multiple inner end surface detection points on the same direction of the product can be realized, effectively improving the detection efficiency;

[0014] 2) In the present utility model, by rotating the rotating rod, the product positioning block can be driven to move back and forth via the positioning block mounting plate, and then the product is driven to move back and forth;

[0015] 3) In the present utility model, through the elastic contact method between the positive electrode detection block and the detection surface, rigid contact between the detection device and the inner end surface of the product can be avoided, thereby avoiding damage to the product caused by detection contact;

[0016] 4) In the present utility model, through the design of the matching structure between the inclined surface at one end of the negative electrode detection block mounting rod and the inclined surface on the corresponding side fixing plate, when the negative electrode detection block mounting rod is rotated so that the negative electrode detection block mounted on the negative electrode detection block mounting rod contacts the product, based on the structural design of its own weight and inclined surface contact, it is ensured that the negative electrode detection block always maintains contact with the product, thereby ensuring the continuity of detection;

[0017] 5) In the present utility model, through the setting of the detection plate, the contact position of the resistance detection device can be replaced from the product to the detection point position on the detection plate, improving the operation space of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional structural schematic diagram of the whole of the present utility model;

[0019] Figure 2 is an assembly structural schematic diagram of the product positioning block of the present utility model;

[0020] Figure 3 It is a top view structural schematic diagram of the whole of the present utility model;

[0021] Figure 4 It is an assembly structural schematic diagram of the negative electrode detection block mounting rod of the present utility model;

[0022] Figure 5 It is a front view structural schematic diagram of the side fixing plate of the present utility model;

[0023] Figure 6 It is a schematic diagram of the product structure and detection point positions of the present utility model. Detailed implementation manners

[0024] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the specification drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0025] On the contrary, the present utility model covers any alternatives, modifications, equivalent methods and solutions made on the essence and scope of the present utility model defined by the claims. Further, in order to enable the public to have a better understanding of the present utility model, some specific details are described in detail in the following detailed description of the present utility model. Those skilled in the art can fully understand the present utility model without the description of these details.

[0026] Please refer to Figure 1-6 , a jig for testing the inner end face resistance of a mobile phone vibration motor, which includes a bottom plate 1, on which a fixing plate assembly, a product positioning block 2, a positive electrode detection block 3, a negative electrode detection block 4, a guide rod 8, a positive electrode detection block mounting plate 9, a guide shaft 10, a spring 11, a negative electrode detection block mounting rod 12, a moving block 13 and a rotating rod 14 are fixedly installed.

[0027] Specifically, the fixing plate assembly includes a front fixing plate 5, a rear fixing plate 6 and side fixing plates 7 on both sides, and a detection area is formed between the four fixing plates.

[0028] Specifically, the moving block 13 is arranged in the detection area, and the product positioning block 2 is fixedly installed on the moving block 13; the rotating rod 14 penetrates through the moving block 13 and is rotatably arranged between the front fixing plate 5 and the rear fixing plate 6, and one end of it passes through the front fixing plate 5 and extends to the outside, and a rotating handwheel is provided at the end of this end; the rotating rod 14 is connected to the moving block 13 through a threaded structure.

[0029] Two guide rods penetrate through the moving block 13 and are fixedly arranged between the front fixing plate 5 and the rear fixing plate 6 to provide guidance for the movement of the moving block 13.

[0030] Specifically, positive detection block mounting plates 9 are fixedly installed on the side fixing plates 7 on both sides. A rectangular groove is provided at the front end of the positive detection block mounting plate 9. Two guide shafts 10 are arranged in the rectangular groove. Two positive detection blocks 3 are arranged on the two guide shafts 10, and the detection sections of the positive detection blocks 3 face the product; Springs 11 are provided between the two positive detection blocks 3 and between the two positive detection blocks 3 and the groove walls of the rectangular groove.

[0031] Specifically, the negative detection block 4 is fixed on the negative detection block mounting rod 12. The negative detection block mounting rod 12 is rotatably arranged on the side fixing plates 7 on both sides. An inclined surface is provided at one end of the negative detection block mounting rod 12, and a matching inclined surface is provided on the corresponding side fixing plate 7. Rotating the negative detection block mounting rod 12 can drive the negative detection block 4 to contact the non-insulating surface of the product. Rotating the negative detection block mounting rod 12 in the reverse direction can realize the separation of the negative detection block 4 from the non-insulating surface of the product, which is convenient for picking and placing parts.

[0032] Specifically, a detection plate is further provided on the bottom plate 1. A negative detection point and four positive detection points are provided on the detection plate, and are respectively connected to the negative detection block 4 and the four positive detection blocks 3 through wires.

[0033] The working process of the fixture of the present utility model is as follows:

[0034] Connect the positive detection block 3 and the negative detection block 4 to the positive detection point and the negative detection point through wires respectively. Place the product into the product positioning block 2, and rotate the rotating rod 14 clockwise to drive the moving block 13 to move the product to the right to contact one side of the positive detection block 3; then use a special resistance testing device to detect the resistance values of points 1-4# at the detection points respectively; then rotate the rotating rod 14 counterclockwise to drive the moving block 13 to move the product to the left to contact the positive detection block 3 on the other side, and detect the resistance values of points 5-8#.

[0035] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A test fixture for the inner end face resistance of a mobile phone vibration motor, characterized in that, It includes a bottom plate (1), on which a product positioning block (2) is movably arranged. The product is positioned and inserted on the product positioning block (2). On both sides of the product on the bottom plate (1), a set of positive electrode detection blocks (3) are provided, and a negative electrode detection block (4) is provided above the product; the positive electrode detection block (3) is located between two adjacent inner end faces to be detected of the product, and the negative electrode detection block (4) contacts the non-insulating surface of the upper part of the product.

2. The inner end face resistance test fixture for a mobile phone vibration motor according to claim 1, characterized in that, On the bottom plate (1), a fixing plate assembly for installing each part is provided. The fixing plate assembly includes a front fixing plate (5), a rear fixing plate (6) and side fixing plates (7) on both sides.

3. A test fixture for the inner end face resistance of a mobile phone vibration motor according to claim 2, characterized in that, A rotating rod (14) is rotatably arranged between the front fixing plate (5) and the rear fixing plate (6). A moving block (13) is arranged on the rotating rod (14) in a threaded fit. The product positioning block (2) is fixedly arranged on the moving block (13). A set of guide rods (8) for guiding the movement of the moving block (13) are arranged between the front fixing plate (5) and the rear fixing plate (6).

4. A fixture for testing the internal end face resistance of a mobile phone vibration motor according to claim 3, characterized in that, On the side fixing plate (7), a positive electrode detection block mounting plate (9) is fixedly arranged. A guide shaft (10) is arranged on the positive electrode detection block mounting plate (9). The positive electrode detection block (3) is arranged in cooperation with the guide shaft (10). Springs (11) are arranged on both sides of the positive electrode detection block (3) to achieve elastic contact between it and the detection surface.

5. A test fixture for measuring the resistance of the inner end face of a mobile phone vibration motor according to claim 3, characterized in that, One end of the rotating rod (14) penetrates through the front fixing plate (5) and is provided with a rotating handwheel.

6. The test fixture for the inner end face resistance of a mobile phone vibration motor according to claim 2, characterized in that The negative electrode detection block (4) is fixed on a negative electrode detection block mounting rod (12). The negative electrode detection block mounting rod (12) is rotatably arranged on the side fixing plates (7) on both sides. One end of the negative electrode detection block mounting rod (12) is provided with an inclined surface, and an inclined surface matching with it is provided on the corresponding side fixing plate (7).

7. A test fixture for measuring the end face resistance of a mobile phone vibration motor according to claim 1, characterized in that, A detection plate is arranged on the bottom plate (1). Detection points connected to the positive electrode detection block (3) and the negative electrode detection block (4) by wires are arranged on the detection plate.

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