A testing device for detecting the air tightness of a tyre

Abstract

The utility model relates to tire air tightness test technical field especially is a kind of testing device for detecting tire air tightness, including moving plate, the inside of moving plate is equipped with rotary groove, the inside movable mounting of rotary groove has rotary disc, the upper surface of rotary disc is equipped with arc slot, the upper surface fixedly connected with first motor of moving plate, the output fixedly connected with pivot of first motor, the lower surface fixedly connected in the upper surface of rotary disc of pivot, the inner top and inner bottom of rotary groove are equipped with first limit slot, the inner wall of first limit slot in upper portion is equipped with second limit slot, the inside of arc slot is provided with movable pin. The utility model can clamp and fix tire, it is convenient to subsequently put tire into water and test air tightness, avoid the situation that tire separates from hand due to buoyancy, can more conveniently detect the work to carry out.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tire air tightness test, especially relates to a test device for detecting tire air tightness. BACKGROUND

[0002] In the field of transportation, the performance of the tire is very important. Among them, the air tightness is one of the key indicators to measure the quality of the tire. Once the tire has air tightness problem, it will cause unstable air pressure, affect the vehicle handling, increase fuel consumption, and even cause safety hazards, so it is necessary to accurately detect the air tightness of the tire.

[0003] The existing test device for detecting tire air tightness often detects the tire by workers putting it into water. It is very labor-consuming to put the tire completely into water, and the tire will also be separated from the hand due to buoyancy during the process, affecting the detection work. UTILITY MODEL CONTENT

[0004] Therefore, the utility model provides a test device for detecting tire air tightness, which mainly solves the technical problem that workers often detect the tire by putting it into water during the detection of the tire, which is very labor-consuming to put the tire completely into water, and the tire will also be separated from the hand due to buoyancy during the process, affecting the detection work.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a test device for detecting tire air tightness, comprising a moving plate, a rotating groove is formed in the inside of the moving plate, a rotating disc is movably installed in the inside of the rotating groove, an arc-shaped groove is formed in the upper surface of the rotating disc, the number of the arc-shaped grooves is four, a first motor is fixedly connected to the upper surface of the moving plate, a rotating shaft is fixedly connected to the output end of the first motor, the lower surface of the rotating shaft is fixedly connected to the upper surface of the rotating disc, first limiting grooves are formed in the inner top and inner bottom of the rotating groove, the number of the first limiting grooves is multiple, second limiting grooves are formed in the inner wall of the upper first limiting groove, the number of the second limiting grooves is multiple, a movable pin is arranged in the inside of the arc-shaped groove, the upper surface and the lower surface of the movable pin are fixedly connected with connecting blocks, the side wall of the upper connecting block is fixedly connected with a limiting block, the limiting block is located in the inside of the second limiting groove, the lower surface of the lower connecting block is fixedly connected with a connecting column, the lower surface of the connecting column is fixedly connected with clamping pieces, the number of the clamping pieces is four, the four clamping pieces are annularly distributed, the upper surface of the right clamping piece is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a moving rod, and the lower surface of the moving rod is fixedly connected with a pressing plate.

[0006] By adopting the technical scheme, the tire can be clamped and fixed, the tire can be conveniently placed in water for testing air tightness, the tire is prevented from being separated from the hand due to buoyancy, and detection work can be more conveniently performed.

[0007] As a further description of the above technical scheme:

[0008] The lower side of the moving plate is provided with an operation table, the lower surface of the operation table is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a first lead screw, and the outer surface of the first lead screw is threadedly connected with a moving frame.

[0009] By adopting the technical scheme, the second motor can drive the first lead screw to rotate, the moving frame can be driven to move up and down, the moving plate can be driven to move up and down, and the tire clamped by the moving plate can be conveniently controlled to move up and down.

[0010] As a further description of the above technical scheme:

[0011] The upper surface of the operation table is fixedly connected with a first sliding rod, the number of the first sliding rod is three, and the outer surface of the first sliding rod is sleeved with the moving frame.

[0012] By adopting the technical scheme, the first sliding rod can limit the up-and-down movement of the moving frame.

[0013] As a further description of the above technical scheme:

[0014] The side wall of the moving frame is fixedly connected with a third motor, the output end of the third motor is fixedly connected with a second lead screw, and the outer surface of the second lead screw is threadedly connected with the moving plate.

[0015] By adopting the technical scheme, the third motor can drive the second lead screw to rotate, the moving plate can be controlled to move left and right, and the left-and-right position of the tire clamped by the moving plate can be conveniently adjusted.

[0016] As a further description of the above technical scheme:

[0017] The inner wall of the moving frame is fixedly connected with a second sliding rod, and the outer surface of the second sliding rod is sleeved with the moving plate.

[0018] By adopting the technical scheme, the second sliding rod can limit the left-and-right movement of the moving plate.

[0019] As a further description of the above technical scheme:

[0020] The upper surface of the operation table is fixedly connected with a water tank, the lower surface of the operation table is fixedly connected with a supporting leg, and the number of the supporting leg is four.

[0021] By adopting the technical scheme, the water tank can be externally connected with pipelines for water feeding and water pumping, and the supporting legs are used to support the operation table.

[0022] By adopting the technical scheme, the testing device for detecting tire air tightness has at least the following beneficial effects:

[0023] Compared with the prior art, the testing device for detecting tire air tightness comprises an arc-shaped groove, a rotating disc, a first motor, movable pins, connecting columns, clamping pieces, an electric push rod, a moving rod, a pressing plate and a water tank. When the tire needs to be clamped, the clamping pieces are moved to the center position of the tire, the tire is located between the clamping pieces, the first motor is driven to work to drive the rotating shaft to rotate, and then the rotating disc is driven to rotate. Since the movable pins are located in the arc-shaped groove, the adjacent movable pins are driven to move away from each other, and then the adjacent connecting columns and the clamping pieces are driven to move away from each other, so that the tire is clamped in the inner supporting mode. Then the tire is moved into the water tank, the electric push rod is driven to work to drive the moving rod and the pressing plate to move downward, the tire can be extruded, and the pressure of the tire is increased. At this time, if the tire air tightness is poor, obvious water bubbles will appear and float in the water. If no water bubbles appear and float, it proves that the air tightness is good. Compared with the prior art, when the tire is detected, the tire is usually put into the water by workers for detection. It is very labor-consuming to completely put the tire into the water, and the tire will also be separated from the hand due to the buoyancy in the process, which affects the detection work. The testing device for detecting tire air tightness can clamp and fix the tire, facilitate subsequent detection of the air tightness of the tire by putting the tire into the water, avoid the separation of the tire from the hand due to the buoyancy, and facilitate the detection work. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The overall structure of the testing device for detecting tire air tightness is shown in the figure.

[0025] Figure 2 The overall structure of the testing device for detecting tire air tightness is shown in the figure.

[0026] Figure 3 The moving plate structure of the testing device for detecting tire air tightness is shown in the figure.

[0027] Figure 4 The testing device for detecting tire air tightness is shown in the figure. Figure 3 The structure of position A in the testing device for detecting tire air tightness is shown in the figure.

[0028] Figure 5 The structure of position B in the testing device for detecting tire air tightness is shown in the figure. Figure 3 The structure of position B in the testing device for detecting tire air tightness is shown in the figure.

[0029] Figure 6 A rotating disc structure diagram of the testing device for detecting tire air tightness is provided for the utility model;

[0030] Figure 7 A clamping piece structure diagram with electric push rod of the testing device for detecting tire air tightness is provided for the utility model;

[0031] Figure 8 A clamping piece structure diagram of the testing device for detecting tire air tightness is provided for the utility model.

[0032] Legend:

[0033] 1, moving plate; 2, rotating groove; 3, rotating disc; 4, arc-shaped groove; 5, first limiting groove; 6, first motor; 7, rotating shaft; 8, movable pin; 9, connecting block; 10, limiting block; 11, second limiting groove; 12, connecting column; 13, clamping piece; 14, electric push rod; 15, moving rod; 16, pressing plate; 17, operation table; 18, second motor; 19, first screw rod; 20, moving frame; 21, first sliding rod; 22, third motor; 23, second screw rod; 24, second sliding rod; 25, water tank; 26, supporting leg. DETAILED DESCRIPTION

[0034] Reference Figures 1-8The utility model provides a kind of detection tire air tightness testing device provided by the utility model: including moving plate 1, rotating groove 2 is opened in the inside of moving plate 1, rotating disc 3 is movably installed in the inside of rotating groove 2, the upper surface of rotating disc 3 is equipped with arc slot 4, the number of arc slot 4 is four, the upper surface of moving plate 1 is fixedly connected with first motor 6, the output of first motor 6 is fixedly connected with rotating shaft 7, the lower surface of rotating shaft 7 is fixedly connected on the upper surface of rotating disc 3, the inner top and inner bottom of rotating groove 2 are equipped with first limiting slot 5, the number of first limiting slot 5 is multiple, the inner wall of upper first limiting slot 5 is equipped with second limiting slot 11, the number of second limiting slot 11 is multiple, movable pin 8 is arranged in the inside of arc slot 4, the upper surface and the lower surface of movable pin 8 are all fixedly connected with connecting block 9, the side wall of upper connecting block 9 is fixedly connected with limiting block 10, limiting block 10 is located in the inside of second limiting slot 11, limiting block 10 and second limiting slot 11 can support and limit the movement of connecting block 9, can effectively avoid that connecting block 9 occurs rotation in the process of moving, the lower surface of lower connecting block 9 is fixedly connected with connecting column 12, the lower surface of connecting column 12 is fixedly connected with clamping piece 13, the number of clamping piece 13 is four, four clamping pieces 13 are annularly distributed, the upper surface of right clamping piece 13 is fixedly connected with electric push rod 14, the output of electric push rod 14 is fixedly connected with moving rod 15, when needing to clamp tire, clamping piece 13 is moved to tire center position, let tire be located between clamping piece 13, drive first motor 6 to work and drive rotating shaft 7 to rotate, in turn drive rotating disc 3 to rotate, since movable pin 8 is located in the inside of arc slot 4, so adjacent movable pin 8 will drive each other away, in turn drive adjacent connecting column 12 and clamping piece 13 to move away, in turn to tire clamping with inside support, again tire is moved to water tank 25, drive electric push rod 14 to work and drive moving rod 15 and pressing plate 16 to move down, can extrude tire, make the pressure of tire increase, if tire air tightness is poor at this time, obvious water bubble will appear in water and float, it is proved that air tightness is good without appearing water bubble and float, the lower surface of moving rod 15 is fixedly connected with pressing plate 16.

[0035] The lower portion of the moving plate 1 is provided with an operation table 17, the lower surface of the operation table 17 is fixedly connected with a second motor 18, the output end of the second motor 18 is fixedly connected with a first lead screw 19, the second motor 18 can drive the first lead screw 19 to rotate, and then the moving frame 20 can move up and down, and then the moving plate 1 can move up and down, and then it is convenient to control the up and down movement of the clamped tire, the outer surface of the first lead screw 19 is threadedly connected with the moving frame 20, the upper surface of the operation table 17 is fixedly connected with a first sliding rod 21, the number of the first sliding rod 21 is three, the first sliding rod 21 can limit the up and down movement of the moving frame 20, the outer surface of the first sliding rod 21 is sleeved with the moving frame 20, the side wall of the moving frame 20 is fixedly connected with a third motor 22, the output end of the third motor 22 is fixedly connected with a second lead screw 23, the third motor 22 can drive the second lead screw 23 to rotate, and then the moving plate 1 can move left and right, and then it is convenient to adjust the left and right positions of the clamped tire, the outer surface of the second lead screw 23 is threadedly connected with the moving plate 1, and the inner wall of the moving frame 20 is fixedly connected with a second sliding rod 24.

[0036] The upper surface of the operation table 17 is fixedly connected with a water tank 25, the water tank 25 can be externally connected with a pipeline for water supply and water extraction, and the lower surface of the operation table 17 is fixedly connected with four supporting legs 26.

[0037] Working principle: when the tire needs to be clamped, the clamping piece 13 is moved to the center position of the tire, the tire is located between the clamping pieces 13, the first motor 6 is driven to work to drive the rotating shaft 7 to rotate, and then the rotating disc 3 is driven to rotate, since the movable pin 8 is located in the arc-shaped groove 4, the adjacent movable pins 8 are driven to move away from each other, and then the adjacent connecting columns 12 and the clamping pieces 13 are driven to move away from each other, and then the tire is clamped in an inside supporting manner, and then the tire is moved into the water tank 25, the electric push rod 14 is driven to work to drive the moving rod 15 and the pressing plate 16 to move downward, and the tire can be extruded, so that the pressure of the tire is increased, at this time, if the tire has poor air tightness, obvious water bubbles will appear and float in the water, and if no water bubbles appear, it proves that the air tightness is good, the second motor 18 is driven to work to drive the first lead screw 19 to rotate, and then the moving frame 20 can move up and down, and then the moving plate 1 can move up and down, and then it is convenient to control the up and down movement of the clamped tire, the third motor 22 is driven to work to drive the second lead screw 23 to rotate, and then the moving plate 1 can move left and right, and then it is convenient to adjust the left and right positions of the clamped tire.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A testing device for detecting the air tightness of a tyre, comprising a mobile plate (1), characterised in that: The inside of the moving plate (1) is provided with a rotating groove (2), the inside of the rotating groove (2) movably installs a rotating disc (3), the upper surface of the rotating disc (3) is provided with an arc-shaped groove (4), the number of the arc-shaped groove (4) is four, the upper surface of the moving plate (1) is fixedly connected with a first motor (6), the output end of the first motor (6) is fixedly connected with a rotating shaft (7), the lower surface of the rotating shaft (7) is fixedly connected to the upper surface of the rotating disc (3), the inner top and inner bottom of the rotating groove (2) are provided with a first limiting groove (5), the number of the first limiting groove (5) is multiple, the inner wall of the first limiting groove (5) is provided with a second limiting groove (11), the number of the second limiting groove (11) is multiple, the inside of the arc-shaped groove (4) is provided with a movable pin (8), the upper surface and the lower surface of the movable pin (8) are fixedly connected with a connecting block (9), the side wall of the connecting block (9) is fixedly connected with a limiting block (10) above, the limiting block (10) is located in the inside of the second limiting groove (11), the lower surface of the connecting block (9) is fixedly connected with a connecting column (12) below, the lower surface of the connecting column (12) is fixedly connected with a clamping piece (13), the number of the clamping piece (13) is four, four clamping pieces (13) are annularly distributed, the upper surface of the clamping piece (13) is fixedly connected with an electric push rod (14) on the right side, the output end of the electric push rod (14) is fixedly connected with a moving rod (15), the lower surface of the moving rod (15) is fixedly connected with a pressing plate (16).

2. The testing device for detecting tire air tightness according to claim 1, characterized in that: The lower surface of the operating table (17) is fixedly connected with a second motor (18), the output end of the second motor (18) is fixedly connected with a first lead screw (19), the outer surface of the first lead screw (19) is threadedly connected with a moving frame (20).

3. The testing device for detecting tire air tightness according to claim 2, characterized in that: The upper surface of the operating table (17) is fixedly connected with a first sliding rod (21), the number of the first sliding rod (21) is three, the outer surface of the first sliding rod (21) is sleeved with a moving frame (20).

4. The testing device of claim 3, wherein: The side wall of the moving frame (20) is fixedly connected with a third motor (22), the output end of the third motor (22) is fixedly connected with a second lead screw (23), the outer surface of the second lead screw (23) is threadedly connected with a moving plate (1).

5. The testing device for detecting tire air tightness according to claim 3, characterized in that: The inner wall of the moving frame (20) is fixedly connected with a second sliding rod (24), the outer surface of the second sliding rod (24) is sleeved with a moving plate (1).

6. The testing device of claim 2, wherein: The upper surface of the operating table (17) is fixedly connected with a water tank (25), the lower surface of the operating table (17) is fixedly connected with a supporting leg (26), the number of the supporting leg (26) is four.

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