Sensor positioning mechanism for automobile seat vibration test

Abstract

The utility model discloses a sensor positioning mechanism for an automobile seat vibration test, and the structure comprises a main body unit which comprises a pedestal, the pedestal is fixedly provided with a hydraulic buffer rod, the top of the hydraulic buffer rod is fixedly provided with a vibration table, and the bottom of the vibration table is provided with a vibration motor; and the mounting assembly comprises a fixing frame, and mounting blocks are arranged on the two sides of the fixing frame. When the clamping device is used, the positions of the four sets of clamping assemblies are adjusted according to automobile seats of different models, the clamping assemblies are moved to the positions where the corners of the automobile seats can be placed, then the corners of the automobile seats are placed on the L-shaped seats, and the automobile seats are clamped and fixed through the clamping assemblies; the clamping block in the movable assembly moves to be attached to the surfaces of bases of different shapes, in the testing process, the automobile base is clamped and fixed to the L-shaped base through the clamping assembly, the sensor body can be kept at the preset position, and the situation that the testing result is unstable due to the fact that the positioning device deviates is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile seat test technology especially, relate to a sensor positioning mechanism for automobile seat vibration test. BACKGROUND

[0002] Automobile seat vibration test is a kind of simulation vehicle encountered in the vibration environment of driving, assesses the detection method of the comfort and stability of seat. This test is crucial for automobile manufacturers, because it can help them understand the performance of seat under different road conditions, and the reliability in the long-term use. Through seat vibration test, the design of seat can be optimized and improved, to improve the comfort and stability of seat.

[0003] The sensor positioning device for automobile seat vibration test disclosed in the application No.202420913598.2, although the utility model passes through the combination of fixed shaft, first positioning plate, second positioning plate, through slot, plug-in board, track slot, threaded rod, L-shaped plate, vibration sensor, connecting plate, limit bolt and servo motor, vibration sensor can be positioned according to different shapes of automobile seat;When the position of first positioning plate and second positioning plate is adjusted, then let servo motor drive L-shaped plate to move in the inside of track slot, so that the detection end of L-shaped plate is moved to the four corners of automobile seat, then the four corners of automobile seat are placed on four vibration sensors, so that the position of vibration sensor can be adjusted according to different sizes of automobile seat, so as to improve the flexibility of sensor positioning device in use.

[0004] However, the four corners of automobile seat are only placed on the sensor when the utility model is used, and in long-time or high-frequency vibration test, automobile seat and positioning device may be loose or deviated, so that the sensor is difficult to keep in the four corners of seat bottom predetermined position, and then affect the stability of test result. SUMMARY

[0005] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] Therefore, in order to solve the above technical problems, the utility model provides the following technical scheme: a sensor positioning mechanism for automobile seat vibration test, the sensor positioning mechanism for automobile seat vibration test includes:

[0007] The main unit comprises a base, a hydraulic buffer rod is fixed on the base, a vibration table is fixed on the top of the hydraulic buffer rod, and a vibration motor is installed on the bottom of the vibration table;

[0008] The mounting assembly comprises a fixing frame, mounting blocks are arranged on the two sides of the fixing frame, fixing bolts are threadedly connected to the mounting blocks, wedge-shaped locking washers are sleeved on the surfaces of the fixing bolts, and

[0009] The clamping assembly comprises an L-shaped seat, a sensor body is arranged on the L-shaped seat, a rectangular block is fixed on the edge of the L-shaped seat, an adjusting bolt is threadedly connected to the center of the rectangular block, a moving block is rotatably connected to one end of the adjusting bolt through a bearing, and a movable assembly is arranged on one side of the moving block.

[0010] As a preferred scheme of the sensor positioning mechanism for automobile seat vibration testing, a spring is sleeved on the surface of the hydraulic buffer rod, and the two ends of the spring are fixed to the top of the base and the bottom of the vibration table.

[0011] As a preferred scheme of the sensor positioning mechanism for automobile seat vibration testing, an activity groove is formed in the fixing frame, a bidirectional screw rod is arranged in the activity groove, and a handle is fixed to one end of the bidirectional screw rod.

[0012] As a preferred scheme of the sensor positioning mechanism for automobile seat vibration testing, a movable block is threadedly connected to the surface of the bidirectional screw rod, and the movable block is fixed to the bottom of the L-shaped seat.

[0013] As a preferred scheme of the sensor positioning mechanism for automobile seat vibration testing, the movable assembly comprises a fixed block and a U-shaped block, a sliding groove is formed in the U-shaped block, a sliding block is slidably connected to the sliding groove, and an adjusting block is fixed to the sliding block.

[0014] As a preferred scheme of the sensor positioning mechanism for automobile seat vibration testing, an adjusting rod is rotatably connected to the adjusting block, and a clamping block is rotatably connected to one end of the adjusting rod.

[0015] The sensor positioning mechanism for automobile seat vibration testing has the advantages that

[0016] In use, according to different models of automobile seats, the positions of the four groups of clamping assemblies are adjusted, the clamping assemblies are moved to the automobile seat corner placing positions, the automobile seat corners are placed on the L-shaped seat, the automobile seat corners are clamped and fixed by the clamping assemblies, the clamping blocks in the movable assemblies are moved to adhere to the surfaces of different shapes of the base, then the vibration motor is started to make the vibration table vibrate, so that the automobile seat on the clamping assembly is subjected to vibration test, and in the test process, the automobile base is clamped and fixed on the L-shaped seat by the clamping assemblies, so that the sensor main body can be kept in a predetermined position, and the unstable test result caused by the deviation of the positioning device is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor. Among them:

[0018] Figure 1 It is a structural schematic diagram of the whole automobile seat vibration test sensor positioning mechanism of the present application.

[0019] Figure 2 It is a structural schematic diagram of the main unit of the automobile seat vibration test sensor positioning mechanism of the present application.

[0020] Figure 3 It is a structural schematic diagram of the clamping assembly of the automobile seat vibration test sensor positioning mechanism of the present application.

[0021] Figure 4 It is a structural schematic diagram of the L-shaped seat of the automobile seat vibration test sensor positioning mechanism of the present application.

[0022] Figure 5 It is a structural schematic diagram of the automobile seat vibration test sensor positioning mechanism of the present application. Figure 4 It is a structural schematic diagram of the automobile seat vibration test sensor positioning mechanism of the present application.

[0023] In the figure: 100, main unit; 101, base; 102, hydraulic buffer rod; 1021, spring; 103, vibration table; 104, vibration motor;

[0024] 200, mounting assembly; 201, fixed frame; 2011, bidirectional screw rod; 2012, handle; 2013, movable block; 202, mounting block; 203, fixed bolt; 204, wedge-shaped locking washer;

[0025] 300, clamping assembly; 301, L-shaped seat; 302, sensor main body; 303, rectangular block; 304, adjusting bolt; 305, moving block; 306, movable assembly; 3061, fixed block; 3062, U-shaped block; 3063, sliding block; 3064, adjusting block; 3065, adjusting rod; 3066, clamping block. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0027] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a variety of ways beyond the specific details set forth herein without departing from the scope of the present application. It can be apparent to one skilled in the art that the present application can be practiced without the specific details set forth in the following description.

[0028] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an embodiment that is separate or alternative to other embodiments.

[0029] Thirdly, the present application is described in detail in conjunction with the schematic diagram. In the detailed description of the embodiments of the present application, the cross-sectional view of the device structure is partially enlarged without the general proportion for the convenience of description, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual manufacture.

[0030] Embodiment 1

[0031] Reference Figures 1-5 For the first embodiment of the present application, a sensor positioning mechanism for automobile seat vibration test is provided, which comprises:

[0032] The main unit 100 comprises a base 101, a hydraulic buffer rod 102 is fixed on the base 101, a vibration table 103 is fixed on the top of the hydraulic buffer rod 102, a vibration motor 104 is installed on the bottom of the vibration table 103, the vibration table 103 is supported by the hydraulic buffer rod 102 and plays a certain buffering role, reducing the impact of vibration on the base 101, and then starting the vibration motor 104 to make the vibration table 103 vibrate, thereby testing the vibration of the automobile seat on the clamping assembly 300;

[0033] The mounting assembly 200 comprises a fixing frame 201, mounting blocks 202 are arranged on both sides of the fixing frame 201, fixing bolts 203 are threadedly connected to the mounting blocks 202, wedge-shaped locking washers 204 are sleeved on the surfaces of the fixing bolts 203, in the use process, according to different models of automobile seats, the fixing frame 201 is placed on the vibration table 103 according to the size thereof, the fixing bolts 203 are locked to fix the fixing frame 201, the wedge-shaped locking washers 204 are used to increase the stability, prevent the fixing bolts 203 from being loosened accidentally, then the handle 2011 is rotated to rotate the bidirectional screw rod 2012, the two movable blocks 2013 are driven to move towards each other, and the clamping assembly 300 is moved to a position where the automobile seat corner can be placed.

[0034] The clamping assembly 300 comprises an L-shaped seat 301, a sensor main body 302 is arranged on the L-shaped seat 301, a rectangular block 303 is fixedly arranged on the edge of the L-shaped seat 301, an adjusting bolt 304 is threadedly connected to the center of the rectangular block 303, a moving block 305 is rotatably connected to one end of the adjusting bolt 304 through a bearing, movable assemblies 306 are arranged on one side of the moving block 305, in the use process, the automobile seat corner is placed on the L-shaped seat 301, the moving block 305 is moved to one side of the L-shaped seat 301 on which the movable assemblies 306 are arranged by rotating the adjusting bolt 304, the clamping blocks 3066 of the two groups of movable assemblies 306 abut against the surface of the automobile seat corner to clamp the automobile seat corner, the positions of the clamping blocks 3066 are different for different shapes of the corner, the clamping block 3066 can adapt to the clamping and fixing of different automobile seat corners by rotating the adjusting rod 3065 to drive the adjusting block 3064 to move in the U-shaped block 3062.

[0035] Further, the surface of the hydraulic buffer rod 102 is sleeved with a spring 1021, the two ends of the spring 1021 are fixed to the top of the base 101 and the bottom of the vibration table 103 respectively, the flexibility and adaptability of the device are increased by the spring 1021, so that the vibration table 103 can better respond to vibrations of different frequencies and amplitudes.

[0036] Further, the fixing frame 201 is provided with a movable slot, a bidirectional screw rod 2011 is arranged in the movable slot, a handle 2012 is fixed to one end of the bidirectional screw rod 2011, the bidirectional screw rod 2011 is rotated by rotating the handle 2012, and the movable block 2013 can be driven to slide in the movable slot.

[0037] Further, the surface of the bidirectional screw rod 2011 is threadedly connected with the movable block 2013, the movable block 2013 is fixed to the bottom of the L-shaped seat 301, and the position of the clamping assembly 300 can be driven to move by the movement of the movable block 2013 on the surface of the bidirectional screw rod 2011.

[0038] Further, the movable assembly 306 comprises a fixed block 3061 and a U-shaped block 3062, a sliding groove is formed in the U-shaped block 3062, a sliding block 3063 is slidably connected in the sliding groove, and an adjusting block 3064 is fixed on the sliding block 3063, the movement track of the sliding block 3063 is limited through the sliding groove, and the adjusting block 3064 moves in parallel in the U-shaped block 3062.

[0039] Further, the adjusting block 3064 is rotatably connected with an adjusting rod 3065, one end of the adjusting rod 3065 is rotatably connected with a clamping block 3066, when the clamping block 3066 abuts against the surface of the corner of the automobile seat to clamp the corner, the position of the clamping block 3066 is different according to different shapes of the corner, the adjusting block 3064 is driven to move in the U-shaped block 3062 through the rotation of the adjusting rod 3065, and the clamping block 3066 can adapt to the clamping and fixing of different automobile seat corners.

[0040] In the use process, first, according to different models of automobile seats, the fixed frame 201 is placed on the vibration table 103 according to the size, then the fixed bolt 203 is locked to be fixed, the stability is improved through the wedge-shaped locking washer 204, the accidental loosening of the fixed bolt 203 is prevented, then the handle 2011 is rotated to drive the bidirectional screw rod 2012 to rotate, the two movable blocks 2013 are driven to move towards each other, and the clamping assembly 300 is moved to the placing position of the corner of the automobile seat;

[0041] Then the corner of the automobile seat is placed on the L-shaped seat 301, the adjusting bolt 304 is rotated to drive the moving block 305 to move to the side of the L-shaped seat 301 on which the movable assembly 306 is installed, the clamping blocks 3066 of the two movable assemblies 306 abut against the surface of the corner of the automobile seat to clamp the corner, the position of the clamping block 3066 is different according to different shapes of the corner, the adjusting block 3064 is driven to move in the U-shaped block 3062 through the rotation of the adjusting rod 3065, and the clamping block 3066 can adapt to the clamping and fixing of different automobile seat corners.

[0042] Finally, the vibration motor 104 is started to make the vibration table 103 vibrate, so that the automobile seat on the clamping assembly 300 is subjected to vibration test, the vibration data of the automobile seat is sensed through the sensor main body 302 installed below the corner of the L-shaped seat 301, the vibration table 103 is supported through the hydraulic buffer rod 102 and plays a certain buffering role, and the impact of vibration on the base 101 is reduced.

[0043] It should be noted that the above embodiments are only used to illustrate the technical scheme of the utility model and not to limit, although the utility model is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical scheme of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical scheme of the utility model, and all should be covered in the claim range of the utility model.

Claims

1. A sensor positioning mechanism for a car seat vibration test, characterized by: The utility model relates to a vibration testing device for electronic product, including, The bottom of vibration platform (103) is installed with vibration motor (104); The surface of fixed bolt (203) is equipped with wedge locking washer (204); Clamping assembly (300) includes L type seat (301), and sensor main part (302) is arranged on L type seat (301), and the edge fixed with rectangular block (303) is arranged on L type seat (301), and the center threaded connection with adjusting bolt (304) is arranged on rectangular block (303), and one end of adjusting bolt (304) is rotatably connected with moving block (305) through bearing, and one side of moving block (305) is provided with movable assembly (306).

2. The sensor positioning mechanism for a car seat vibration test according to claim 1, wherein: The surface of hydraulic buffer rod (102) is equipped with spring (1021), and the both ends of spring (1021) are fixed on the top of base (101) and the bottom of vibration platform (103) respectively.

3. The sensor positioning mechanism for a seat vibration test of an automobile according to claim 1, wherein: The surface of fixed bolt (203) is equipped with wedge locking washer (204); 4. The sensor positioning mechanism for a seat vibration test of an automobile according to claim 3, wherein: The surface of two-way screw rod (2011) is threaded with movable block (2013), and movable block (2013) is fixed on the bottom of L type seat (301).

5. The sensor positioning mechanism for a seat vibration test of an automobile according to claim 1, wherein: The surface of two-way screw rod (2011) is threaded with movable block (2013), and movable block (2013) is fixed on the bottom of L type seat (301).

6. The sensor positioning mechanism for a seat vibration test of an automobile according to claim 5, wherein: The surface of two-way screw rod (2011) is threaded with movable block (2013), and movable block (2013) is fixed on the bottom of L type seat (301). The surface of two-way screw rod (2011) is threaded with movable block (2013), and movable block (2013) is fixed on the bottom of L type seat (301). The surface of two-way screw rod (2011) is threaded with movable block (2013), and movable block (2013) is fixed on the bottom of L type seat (301). The surface of two-way screw rod (2011) is threaded with movable block (2013), and movable block (2013) is fixed on the bottom of L type seat (301). The surface of two-way screw rod (2011) is threaded with movable block (2013), and movable block (2013) is fixed on the bottom of L type seat (301). 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