Compression resistance testing device for automobile spare tire cover plate

Abstract

The utility model provides an automobile spare tire cover plate compression resistance testing device, which relates to the technical field of cover plate compression resistance testing and comprises a bottom plate, placing frames are mounted at four corners of the top end of the bottom plate, a positioning mechanism is arranged above the placing frames, an air cylinder is mounted at the bottom end of a moving mechanism, a pressing plate is mounted at the bottom end of the air cylinder, and the pressing plate is arranged on the bottom end of the air cylinder. A pressure sensor is mounted in the pressing plate; the positioning mechanism is arranged above the placing frame, a fixing cavity, a first servo motor, a threaded rod, a threaded sleeve, a movable cavity, a positioning plate, a limiting groove and a limiting block of the positioning mechanism are matched with one another, the positioning plate can be driven to move downwards, and the automobile spare tire cover plate is conveniently positioned through the positioning plate; the automobile spare tire cover plate is more stable and not prone to sliding in the compression resistance testing process, the testing effect of the automobile spare tire cover plate is better, and therefore the practicability of the device in the using process is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cover plate pressure resistance test, especially to a car spare tire cover plate pressure resistance test device. BACKGROUND

[0002] The spare tire cover plate of the car is installed inside the luggage compartment of the car, covers the spare tire of the car, plays a decorative and covering role on the luggage compartment, separates the spare tire from other articles in the trunk, keeps the trunk clean and orderly, and needs to be subjected to pressure resistance test during production and processing.

[0003] The existing car spare tire cover plate is inconvenient to fix during pressure resistance test, which makes the pressure resistance test of the car spare tire cover plate more complicated and reduces the pressure resistance test efficiency of the car spare tire cover plate, thereby reducing the practicability of the device during use. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model provides a car spare tire cover plate pressure resistance test device to solve the problem that the existing technology is inconvenient to fix the car spare tire cover plate, which makes the pressure resistance test of the car spare tire cover plate more complicated and reduces the pressure resistance test efficiency of the car spare tire cover plate.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a car spare tire cover plate pressure resistance test device, comprising a bottom plate, four corners of the top end of the bottom plate are provided with a placing rack, a positioning mechanism is arranged above the placing rack, a mounting rack is installed at the rear end of the top of the bottom plate, an installation cavity is installed at the bottom end of the mounting rack, a moving mechanism is arranged in the installation cavity, a gas cylinder is installed at the bottom end of the moving mechanism, a pressure plate is installed at the bottom end of the gas cylinder, and a pressure sensor is installed in the pressure plate.

[0006] The positioning mechanism comprises a fixed cavity, a first servo motor, a threaded rod, a threaded sleeve, a movable cavity, a positioning plate and a limiting structure, the fixed cavity is installed at the top end of the placing rack, the top end of the fixed cavity is provided with the first servo motor, the threaded rod is installed in the fixed cavity, the output end of the first servo motor is connected with one end of the threaded rod, the outer side wall of the threaded rod is provided with the threaded sleeve, the threaded sleeve is installed on the outer side wall, the movable cavity is installed on the outer side wall, the bottom end of the movable cavity extends to the inner side of the placing rack, and the bottom end of the movable cavity is installed with the positioning plate.

[0007] Further improvement lies in that the limiting structure comprises a limiting groove and a limiting block, the limiting groove is arranged in the interior of the fixing cavity, the interior of the limiting groove is provided with the limiting block, and one end of the limiting block is connected to the exterior of the movable cavity.

[0008] Further improvement lies in that two limiting grooves are arranged in the interior of the fixing cavity, and the two limiting grooves are symmetrically distributed about the central axis of the fixing cavity.

[0009] Further improvement lies in that the cross section of the limiting groove is larger than that of the limiting block, and a sliding structure is formed between the limiting groove and the limiting block.

[0010] Further improvement lies in that the moving mechanism comprises a second servo motor, a screw rod, a screw sleeve and a guide structure, the second servo motor is installed at one end of the installation cavity, the interior of the installation cavity is provided with the screw rod, the output end of the second servo motor is connected to one end of the screw rod, the outer sidewall of the screw rod is provided with the screw sleeve, and the bottom end of the screw sleeve is connected to the top end of the air cylinder.

[0011] Further improvement lies in that the guide structure comprises a guide groove and a guide block, the guide groove is arranged in the interior of the installation cavity, and the interior of the guide groove is provided with the guide block, and one end of the guide block is connected to one end of the screw sleeve.

[0012] The beneficial effects of the utility model are that: through setting the positioning mechanism on the upper portion of the placing frame, the fixing cavity, the first servo motor, the threaded rod, the threaded sleeve, the movable cavity, the positioning plate, the limiting groove and the limiting block are cooperated with each other, the positioning plate is driven to move downwards, the positioning plate is used for conveniently positioning the automobile spare tire cover plate, the automobile spare tire cover plate is more stable during the compression test, is not easy to slide, the test effect of the automobile spare tire cover plate is better, thereby the practicality of the device during use is greatly improved, through setting the moving mechanism in the interior of the installation cavity, the second servo motor, the screw rod, the screw sleeve, the guide groove and the guide block of the moving mechanism are cooperated with each other, the pressing plate and the pressure sensor are driven to move, the automobile spare tire cover plate is more comprehensively subjected to the compression test, the automobile spare tire cover plate is more comprehensive during the test, thereby the comprehensiveness of the device during use is greatly improved. ACCURACY OF DRAWINGS

[0013] Figure 1 It is the overall structure schematic view of the utility model;

[0014] Figure 2 It is the overall structure schematic view of the pressure sensor of the utility model;

[0015] Figure 3 It is the overall structure schematic view of the moving mechanism of the utility model;

[0016] Figure 4 It is the overall structure schematic view of the positioning mechanism of the utility model.

[0017] Among them: 1, the bottom plate; 2, the rack; 3, the mounting bracket; 4, the installation cavity; 5, the cylinder; 6, the pressing plate; 7, the pressure sensor; 8, the fixed cavity; 9, the first servo motor; 10, the threaded rod; 11, the threaded sleeve; 12, the movable cavity; 13, the positioning plate; 14, the limiting groove; 15, the limiting block; 16, the second servo motor; 17, the screw rod; 18, the screw sleeve; 19, the guide groove; 20, the guide block. DETAILED DESCRIPTION

[0018] In order to deepen the understanding of the utility model, the utility model will be further described below in conjunction with examples, and the examples are only used to explain the utility model and do not constitute the limitation of the protection scope of the utility model.

[0019] According to Figure 1 , 2 , 3, 4, the example presents a kind of automobile spare tire coverboard compression resistance testing device, including bottom plate 1, the four corners of the top end of the bottom plate 1 is equipped with rack 2, positioning mechanism is provided above the rack 2, the rear end of the bottom of the bottom plate 1 is equipped with mounting bracket 3, the bottom of the mounting bracket 3 is equipped with installation cavity 4, the inside of the installation cavity 4 is provided with moving mechanism, the bottom of the moving mechanism is equipped with cylinder 5, the bottom of the cylinder 5 is equipped with pressing plate 6, the inside of the pressing plate 6 is equipped with pressure sensor 7.

[0020] The positioning mechanism includes fixed cavity 8, first servo motor 9, threaded rod 10, threaded sleeve 11, movable cavity 12, positioning plate 13 and limiting structure, the fixed cavity 8 is installed on the top end of rack 2, the top end of the fixed cavity 8 is equipped with first servo motor 9, the inside of the fixed cavity 8 is equipped with threaded rod 10, the output end of the first servo motor 9 is connected with one end of threaded rod 10, the outside wall of the threaded rod 10 is provided with threaded sleeve 11, the outside wall of the threaded sleeve 11 is equipped with movable cavity 12, the bottom of the movable cavity 12 extends to the inside of rack 2, the bottom of the movable cavity 12 is equipped with positioning plate 13, when using, automobile spare tire coverboard is placed above rack 2, then first servo motor 9 is started to drive threaded rod 10 to rotate, so threaded sleeve 11 is moved, in turn, under the limiting of limiting groove 14 and limiting block 15, movable cavity 12 is moved using threaded sleeve 11, in turn, positioning plate 13 is moved downward, automobile spare tire coverboard is positioned using positioning plate 13, automobile spare tire coverboard is fixed, so that automobile spare tire coverboard is more stable when compression resistance testing, not easy to slide, also make the test effect of automobile spare tire coverboard better, so as to greatly improve the practicability of the device when using.

[0021] The limiting structure includes a limiting groove 14 and a limiting block 15, the limiting groove 14 is opened in the inside of the fixed cavity 8, the inside of the limiting groove 14 is provided with the limiting block 15, one end of the limiting block 15 is connected with the outside of the movable cavity 12, the limiting groove 14 is opened with two in the inside of the fixed cavity 8, the two limiting grooves 14 are symmetrically distributed about the central axis of the fixed cavity 8, the cross section of the limiting groove 14 is larger than the cross section of the limiting block 15, the limiting groove 14 and the limiting block 15 form a sliding structure, in use, the movable cavity 12 can be limited when moving by the cooperation between the limiting groove 14 and the limiting block 15, so that the movable cavity 12 is more stable when moving.

[0022] The moving mechanism includes a second servo motor 16, a screw rod 17, a screw sleeve 18 and a guide structure, the second servo motor 16 is installed at one end of the mounting cavity 4, the inside of the mounting cavity 4 is provided with the screw rod 17, the output end of the second servo motor 16 is connected with one end of the screw rod 17, the outside wall of the screw rod 17 is provided with the screw sleeve 18, the bottom end of the screw sleeve 18 is connected with the top end of the air cylinder 5, in use, the second servo motor 16 drives the screw rod 17 to rotate, so that the screw sleeve 18 is moved under the guidance of the guide groove 19 and the guide block 20, and the pressing plate 6 is moved, the automobile spare tire cover is more comprehensively tested by the pressing plate 6, so that the comprehensiveness of the device in use is greatly improved.

[0023] The guide structure includes a guide groove 19 and a guide block 20, the guide groove 19 is opened in the inside of the mounting cavity 4, the inside of the guide groove 19 is provided with the guide block 20, one end of the guide block 20 is connected with one end of the screw sleeve 18, in use, the screw sleeve 18 can be guided when moving by the cooperation between the guide groove 19 and the guide block 20, so that the screw sleeve 18 is more stable when moving.

[0024] Working principle: the staff first places the automobile spare tire cover plate on the upper part of the rack 2, and then starts the first servo motor 9 to drive the threaded rod 10 to rotate, so as to drive the threaded sleeve 11 to move, and then under the limiting of the limiting groove 14 and the limiting block 15, the movable cavity 12 is driven to move by the threaded sleeve 11, so as to drive the positioning plate 13 to move downward, the automobile spare tire cover plate is positioned and fixed by the positioning plate 13, then the cylinder 5 is started to drive the pressing plate 6 to move downward, the automobile spare tire cover plate is pressed and tested by the pressing plate 6 and the pressure sensor 7, the pressure value is transmitted to the controller by the pressure sensor 7, then the second servo motor 16 is started to drive the screw rod 17 to rotate, so that the screw sleeve 18 is driven to move under the guidance of the guide groove 19 and the guide block 20, and then the pressing plate 6 is driven to move, the automobile spare tire cover plate is tested more comprehensively by the pressing plate 6, after the test is completed, the first servo motor 9 is started to reverse, and the positioning plate 13 moves upward, at this time the automobile spare tire cover plate can be taken off.

[0025] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for testing the resistance to compression of a spare tire cover for a vehicle, comprising a base plate (1), characterized in that: The top end of the bottom plate (1) is provided with a placing rack (2), the upper side of the placing rack (2) is provided with a positioning mechanism, the rear end of the top of the bottom plate (1) is provided with a mounting rack (3), the bottom end of the mounting rack (3) is provided with a mounting cavity (4), the inside of the mounting cavity (4) is provided with a moving mechanism, the bottom end of the moving mechanism is provided with a pneumatic cylinder (5), the bottom end of the pneumatic cylinder (5) is provided with a pressing plate (6), the inside of the pressing plate (6) is provided with a pressure sensor (7); The positioning mechanism comprises a fixed cavity (8), a first servo motor (9), a threaded rod (10), a threaded sleeve (11), a movable cavity (12), a positioning plate (13) and a limiting structure, the fixed cavity (8) is installed at the top end of the placing rack (2), the top end of the fixed cavity (8) is provided with the first servo motor (9), the inside of the fixed cavity (8) is provided with the threaded rod (10), the output end of the first servo motor (9) is connected with one end of the threaded rod (10), the outer side wall of the threaded rod (10) is provided with the threaded sleeve (11), the outer side wall of the threaded sleeve (11) is provided with the movable cavity (12), the bottom end of the movable cavity (12) extends to the inner side of the placing rack (2), and the bottom end of the movable cavity (12) is provided with the positioning plate (13).

2. The compression testing device for a spare tire cover of an automobile according to claim 1, wherein: The limiting structure comprises a limiting groove (14) and a limiting block (15), the limiting groove (14) is arranged in the inside of the fixed cavity (8), and the limiting block (15) is arranged in the inside of the limiting groove (14).

3. The compression testing device for a spare tire cover of an automobile of claim 2, wherein: The limiting groove (14) is arranged in the inside of the fixed cavity (8) in two, and the two limiting grooves (14) are symmetrically distributed about the central axis of the fixed cavity (8).

4. The compression testing device of claim 3, wherein: The cross section of the limiting groove (14) is larger than that of the limiting block (15), and the limiting groove (14) and the limiting block (15) form a sliding structure.

5. The compression testing device for a spare tire cover of claim 1, wherein: The moving mechanism comprises a second servo motor (16), a screw rod (17), a screw sleeve (18) and a guide structure, the second servo motor (16) is installed at one end of the mounting cavity (4), the inside of the mounting cavity (4) is provided with the screw rod (17), the output end of the second servo motor (16) is connected with one end of the screw rod (17), the outer side wall of the screw rod (17) is provided with the screw sleeve (18), and the bottom end of the screw sleeve (18) is connected with the top end of the pneumatic cylinder (5).

6. The compression testing device for a spare tire cover of an automobile of claim 5, wherein: The guide structure comprises a guide groove (19) and a guide block (20), the guide groove (19) is arranged in the inside of the mounting cavity (4), and the guide block (20) is arranged in the inside of the guide groove (19). The guide block (20) is connected with one end of the screw sleeve (18).

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