Device for detecting sealing performance of rubber sealing ring

Abstract

The utility model relates to the technical field of sealing ring detection devices, in particular to a rubber sealing ring sealing performance detection device which comprises a detection water tank, a support plate is fixedly arranged on the side wall of the detection water tank, a first air cylinder is fixedly arranged on the support plate, and a bearing plate is fixedly arranged at the output end of the first air cylinder; a ring groove is formed in the end wall of the sealing ring mounting piece, the sealing ring mounting piece is arranged on the fixing plate through the connecting assembly and the auxiliary assembly, and the fixing plate is fixedly arranged on the bearing plate; after the sealing ring gasket is mounted on the sealing ring mounting piece, the sealing ring gasket and the sealing ring mounting piece are inserted into the mounting groove, the positioning block is inserted into the positioning groove, and then the screw sleeve is rotated to control the lifting plate to descend, so that the positioning block is limited by the limiting rod, the sealing ring mounting piece is fixedly mounted, operation is simple, and practicability is high. Auxiliary tools are not needed, the sealing ring mounting piece is convenient to detach and replace, the sealing performance between the sealing ring mounting piece and the fixing plate is further guaranteed, and normal use of the device is guaranteed.

Description

Technical Field

[0001] This utility model relates to the technical field of sealing ring testing devices, specifically a device for testing the sealing performance of rubber sealing rings. Background Technology

[0002] Chinese patent document CN212363575U discloses a pressing device for testing the sealing performance of a sealing ring, comprising a testing water tank, an L-shaped fixing plate fixedly connected to the top of the testing water tank, a bearing embedded in the top of the L-shaped fixing plate, a screw connected to the inner ring of the bearing via a shaft, the upper end of the shaft connected to the output shaft of a motor via a coupling, a bearing plate connected to the external thread of the screw, a cylinder mounted on the top of the bearing plate, a clamping plate mounted at the end of the cylinder, and a fixed clamping plate matching the clamping plate fixedly connected to the top of the bearing plate. A sealing ring mounting component is provided on one side of the fixed clamping plate. A sealing ring mounting component matching the sealing ring to be tested is selected and fixed on the fixed clamping plate. The sealing ring is placed on the sealing ring mounting component, and the cylinder is activated to drive the clamping plate to clamp the sealing ring, facilitating the pressing of the sealing ring and maintaining the internal sealing performance of the sealing ring mounting component.

[0003] However, in the above-mentioned solutions and existing technologies, the rubber sealing ring is placed on the sealing ring mounting component for sealing performance testing. When performing sealing performance testing on rubber sealing rings of different sizes, the sealing ring mounting component needs to be replaced. The sealing ring mounting component of the existing device is fixed to the fixing plate with bolts. Disassembly and assembly require auxiliary tools, which is cumbersome. If the bolts are not tightened, it can easily affect the sealing performance between the sealing ring mounting component and the fixing plate, affecting the normal use of the device. Utility Model Content

[0004] The purpose of this invention is to provide a device for testing the sealing performance of rubber sealing rings, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A rubber sealing ring sealing performance testing device includes:

[0006] The test water tank has a support plate fixedly installed on its side wall, a first cylinder fixedly installed on the support plate, a bearing plate fixedly installed at the output end of the first cylinder, a second cylinder fixedly installed on the bearing plate, and a clamping plate fixedly installed at the output end of the second cylinder.

[0007] A sealing ring mounting component has a groove on its end wall. The rubber sealing ring to be tested is snapped into the groove. The sealing ring mounting component is mounted on a fixing plate through a connecting component and an auxiliary component. The fixing plate is fixedly mounted on a bearing plate.

[0008] Preferably, the convex ring in the connecting assembly is fixedly disposed on the end wall of the sealing ring mounting component, the end wall of the sealing ring mounting component is provided with equidistant grooves, the bottom wall of the groove is fixedly disposed with a first magnetic block, and the side wall of the sealing ring gasket is provided with a ring groove.

[0009] Preferably, the sealing ring gasket is snapped into the sealing ring mounting component, the ring groove is sleeved with the convex ring, the second magnetic block is fixedly disposed at equal intervals on the side wall of the sealing ring gasket, the first magnetic block and the second magnetic block attract each other, the mounting groove is opened on the side wall of the fixing plate, and the mounting groove is inserted into the sealing ring mounting component.

[0010] Preferably, an air pipe is fixedly connected to the side wall of the fixing plate, the air pipe extends into the mounting groove, and positioning grooves are symmetrically opened on the side wall of the fixing plate. Positioning blocks are symmetrically fixed on the peripheral wall of the sealing ring mounting component, and the positioning grooves are inserted into the positioning blocks.

[0011] Preferably, the limiting rods in the auxiliary component are symmetrically and movably arranged in the fixed plate. One end of the limiting rod is set with an inclined surface and passes through the positioning groove. The limiting rod is engaged with the positioning block. The other end of the limiting rod passes through the wall end of the fixed plate and is fixedly connected to the lifting plate. The stud is fixedly arranged on the fixed plate, and the end of the stud is fixedly provided with a limiting plate.

[0012] Preferably, a rotating pipe is rotatably provided on the lifting plate, a threaded sleeve is fixedly provided at the end of the rotating pipe, and protrusions are fixedly provided at equal intervals on the periphery of the threaded sleeve. The rotating pipe is sleeved with the threaded studs, and the threaded sleeve and the threaded studs are threadedly connected.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] After the sealing ring gasket is installed on the sealing ring mounting component, the sealing ring gasket and the sealing ring mounting component are inserted into the mounting groove. After the positioning block is inserted into the positioning groove, the screw sleeve is rotated to control the lowering of the lifting plate, so that the limiting rod limits the positioning block, thereby realizing the fixed installation of the sealing ring mounting component. The operation is simple and does not require auxiliary tools, which facilitates the replacement of the sealing ring mounting component and further ensures the sealing between the sealing ring mounting component and the fixed plate, ensuring the normal use of the device. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the bearing plate structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the sealing ring mounting component of this utility model;

[0018] Figure 4 This is a schematic diagram of the sealing ring gasket structure of this utility model;

[0019] Figure 5This is a schematic diagram of the fixing plate structure of this utility model;

[0020] Figure 6 This is a half-sectional view of the fixing plate structure of this utility model;

[0021] Figure 7 This is a schematic diagram of the screw sleeve structure of this utility model.

[0022] In the diagram: 1. Testing water tank; 2. Support plate; 3. First cylinder; 4. Bearing plate; 5. Second cylinder; 6. Clamping plate; 7. Sealing ring mounting piece; 8. Ring groove; 9. Rubber sealing ring to be tested; 10. Convex ring; 11. Embedded groove; 12. First magnetic block; 13. Sealing ring gasket; 14. Ring groove; 15. Second magnetic block; 16. Fixing plate; 17. Mounting groove; 18. Air pipe; 19. Positioning groove; 20. Positioning block; 21. Limiting rod; 22. Lifting plate; 23. Stud; 24. Rotating pipe fitting; 25. Screw sleeve; 26. Convex post. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0024] Please see Figures 1-7 The present invention provides the following two preferred embodiments:

[0025] Example 1: A rubber sealing ring sealing performance testing device, comprising: a testing water tank 1, a support plate 2 fixedly mounted on the side wall of the testing water tank 1, a first cylinder 3 fixedly mounted on the support plate 2, a bearing plate 4 fixedly mounted on the output end of the first cylinder 3, a second cylinder 5 fixedly mounted on the bearing plate 4, and a clamping plate 6 fixedly mounted on the output end of the second cylinder 5; a sealing ring mounting component 7, the end wall of the sealing ring mounting component 7 having a ring groove 8, the rubber sealing ring 9 to be tested being snapped into the ring groove 8, the sealing ring mounting component 7 being mounted on a fixed plate 16 via a connecting component and an auxiliary component, the fixed plate 16 being fixedly mounted on the bearing plate 4; a protruding ring 10 in the connecting component being fixedly mounted on the end wall of the sealing ring mounting component 7, the end of the sealing ring mounting component 7 being... The wall has equidistant grooves 11, and a first magnetic block 12 is fixedly installed on the bottom wall of the groove 11. The sealing ring gasket 13 has an annular groove 14 on its side wall. The sealing ring gasket 13 is engaged with the sealing ring mounting piece 7, and the annular groove 14 is sleeved with the convex ring 10. The second magnetic block 15 is fixedly installed on the side wall of the sealing ring gasket 13 at equal intervals. The first magnetic block 12 and the second magnetic block 15 attract each other. The mounting groove 17 is opened on the side wall of the fixing plate 16 and is inserted into the sealing ring mounting piece 7. An air pipe 18 is fixedly connected to the side wall of the fixing plate 16 and extends into the mounting groove 17. The side wall of the fixing plate 16 has symmetrically opened positioning grooves 19, and positioning blocks 20 are symmetrically fixed on the periphery of the sealing ring mounting piece 7. The positioning grooves 19 are inserted into the positioning blocks 20.

[0026] In use, select a suitable sealing ring mounting part 7 according to the size of the rubber sealing ring 9 to be tested, and snap the sealing ring mounting part 7 into the sealing ring gasket 13, so that the ring groove 14 and the convex ring 10 are sleeved, and the first magnetic block 12 and the second magnetic block 15 attract each other, thus initially fixing the sealing ring gasket 13 on the sealing ring mounting part 7. Then, insert the sealing ring gasket 13 and the sealing ring mounting part 7 into the mounting groove 17 until the positioning block 20 is inserted into the end of the positioning groove 19 and the positioning block 20 is limited. At this time, the sealing ring mounting part 7 compresses the sealing ring gasket 13. 3. Ensure the airtightness of the sealing ring mounting component 7 and the fixing plate 16. After the rubber sealing ring 9 to be tested is snapped into the ring groove 8, the second cylinder 5 is activated to push the clamping plate 6 to squeeze the rubber sealing ring 9 to be tested. The first cylinder 3 is activated to lower the bearing plate 4 until the sealing ring mounting component 7 and the fixing plate 16 are submerged below the water surface of the test water tank 1. The air pump connected to the other end of the air pipe 18 is activated to introduce high-pressure gas into the inner cavity of the sealing ring mounting component 7. The air bubbles in the water can be observed to test the sealing performance of the rubber sealing ring 9 to be tested.

[0027] Example 2: Based on Example 1, the limiting rod 21 in the auxiliary component is symmetrically and movably arranged in the fixed plate 16. One end of the limiting rod 21 is set with an inclined surface and passes through the positioning groove 19. The limiting rod 21 is engaged with the positioning block 20. The other end of the limiting rod 21 passes through the wall end of the fixed plate 16 and is fixedly connected to the lifting plate 22. The stud 23 is fixedly arranged on the fixed plate 16, and a limiting plate is fixedly arranged at the end of the stud 23. A rotating tube 24 is rotatably arranged on the lifting plate 22. A threaded sleeve 25 is fixedly arranged at the end of the rotating tube 24. Protrusions 26 are fixedly arranged at equal intervals on the periphery of the threaded sleeve 25. The rotating tube 24 is sleeved with the stud 23, and the threaded sleeve 25 is threadedly connected to the stud 23.

[0028] In use, after the sealing ring gasket 13 and the sealing ring mounting component 7 are inserted into the mounting groove 17, the positioning block 20 is inserted into the positioning groove 19. With the help of the protruding post 26, the screw sleeve 25 is rotated, and the screw sleeve 25 is threadedly connected to the screw post 23, thereby controlling the lifting plate 22 to descend, so that the inclined surface of the limiting rod 21 engages with the positioning block 20. Then, the lifting plate 22 continues to descend, and the inclined surface of the limiting rod 21 pushes the positioning block 20 into the end of the positioning groove 19 until the side wall of the limiting rod 21 engages with the side wall of the positioning block 20, thus completing the positioning of the positioning block 20 and realizing the fixed installation of the sealing ring mounting component 7. The operation is simple and does not require auxiliary tools, which facilitates the replacement of the sealing ring mounting component 7. At the same time, it further ensures the sealing between the sealing ring mounting component 7 and the fixing plate 16, ensuring the normal use of the device.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for testing the sealing performance of rubber sealing rings, characterized in that: include: The test water tank (1) has a support plate (2) fixedly installed on its side wall. A first cylinder (3) is fixedly installed on the support plate (2). A bearing plate (4) is fixedly installed at the output end of the first cylinder (3). A second cylinder (5) is fixedly installed on the bearing plate (4). A clamping plate (6) is fixedly installed at the output end of the second cylinder (5). The sealing ring mounting component (7) has a ring groove (8) on its end wall. The rubber sealing ring (9) to be tested is snapped into the ring groove (8). The sealing ring mounting component (7) is mounted on the fixing plate (16) through the connecting component and the auxiliary component. The fixing plate (16) is fixedly mounted on the bearing plate (4).

2. The rubber sealing ring sealing performance testing device according to claim 1, characterized in that: The convex ring (10) in the connecting assembly is fixedly disposed on the end wall of the sealing ring mounting component (7). The end wall of the sealing ring mounting component (7) is provided with grooves (11) at equal intervals. The bottom wall of the groove (11) is fixedly disposed with a first magnetic block (12). The side wall of the sealing ring pad (13) is provided with a ring groove (14).

3. The rubber sealing ring sealing performance testing device according to claim 2, characterized in that: The sealing ring gasket (13) is snapped into the sealing ring mounting piece (7), the ring groove (14) is sleeved with the convex ring (10), the second magnetic block (15) is fixedly arranged at equal intervals on the side wall of the sealing ring gasket (13), the first magnetic block (12) and the second magnetic block (15) attract each other, the mounting groove (17) is opened on the side wall of the fixing plate (16), and the mounting groove (17) is inserted into the sealing ring mounting piece (7).

4. The rubber sealing ring sealing performance testing device according to claim 3, characterized in that: The side wall of the fixing plate (16) is fixedly connected with an air pipe (18), which extends into the mounting groove (17). The side wall of the fixing plate (16) is symmetrically provided with positioning grooves (19), and positioning blocks (20) are symmetrically fixed on the periphery of the sealing ring mounting part (7). The positioning grooves (19) and positioning blocks (20) are inserted into each other.

5. The rubber sealing ring sealing performance testing device according to claim 1, characterized in that: The limiting rod (21) in the auxiliary component is symmetrically and movably arranged in the fixed plate (16). One end of the limiting rod (21) is set with an inclined surface and passes through the positioning groove (19). The limiting rod (21) is engaged with the positioning block (20). The other end of the limiting rod (21) passes through the wall end of the fixed plate (16) and is fixedly connected to the lifting plate (22). The stud (23) is fixedly arranged on the fixed plate (16), and the end of the stud (23) is fixedly provided with a limiting plate.

6. The rubber sealing ring sealing performance testing device according to claim 5, characterized in that: A rotating pipe (24) is rotatably mounted on the lifting plate (22). A screw sleeve (25) is fixedly mounted at the end of the rotating pipe (24). Protrusions (26) are fixedly mounted at equal intervals on the periphery of the screw sleeve (25). The rotating pipe (24) is sleeved with the screw (23), and the screw sleeve (25) is threadedly connected to the screw (23).

Images