A sealing strip high pressure sealing test machine

By adopting a matching structure of fixed seat, spring and support column in the seal strip high-pressure seal test machine, combined with the control of servo motor, worm and rack, the problem of damage to the seal strip due to excessive squeeze pressure during the test is solved, and the stability and accuracy of the seal test are achieved.

CN222704287UActive Publication Date: 2025-04-01QINGDAO SHUNJI SEALING TECH CO LTD
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Patent Information

Application Number
CN202421549763.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-03
Publication Date
2025-04-01
Estimated Expiration
2034-07-03

AI Technical Summary

Technical Problem

During the seal strip test, continuous inflation of the test box increases the pressure, but when using bolts to fix the cover, the squeeze pressure of the seal strip will be too large, resulting in damage to the sealing strip, affecting the accuracy of the sealing test.

Method used

A seal strip high-pressure sealing test machine is designed, which adopts a matching structure of a fixed seat, a spring and a support column. Through the extrusion of the spring, the sealing strip can be tightly squeezed without damaging the sealing strip. In addition, the servo motor, worm and rack are used to achieve precise control of the extrusion plate to ensure that the sealing strip is stable during testing.

Benefits of technology

It effectively avoids damage to the sealing strip due to excessive squeeze pressure during the test, ensures the stability and accuracy of the sealing test, and improves the reliability of the sealing performance evaluation of the sealing strip.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sealing strip high-pressure sealing test machine, including a workbench, a fixed frame is installed on the top of the workbench, a test box is fixedly connected to the inner wall of the workbench, a card is fixedly connected above the inner wall of the test box, a sealing strip is pressed against the top of the card, and an extrusion plate is pressed against the top of the sealing strip. The utility model relates to the technical field of sealing strip testing, and through the cooperation of a fixed seat, a spring and a support column, when testing the sealing strip, in order to protect the sealing strip from damage, a spring is placed on the top of the fixed seat, and a buckle is inserted into the top of the fixed seat, so that the fixed block fixes the spring, and when the lifting plate drives the support column to rise and fall, the spring is squeezed, and under the action of the spring, the extrusion plate squeezes the sealing strip more tightly, and will not damage the sealing strip, thereby avoiding damage to the sealing strip and causing the problem of unstable sealing test.
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Description

Technical Field

[0001] The utility model relates to the technical field of sealing strip testing, in particular to a sealing strip high-pressure sealing testing machine. Background Art

[0002] Doors and windows are important components of building shapes, and have advantages such as heat preservation, thermal insulation, sound insulation, and waterproofing. The new requirement for energy saving is that the heat lost through the gaps of doors and windows in cold areas accounts for about 25% of the total heating heat consumption. Therefore, the requirements for the sealing of doors and windows are important in energy-saving design. The quality of sealing also plays a big role in the sound insulation of doors and windows, especially for people living in densely populated and prosperous cities with developed transportation. Under the premise that other hardware is similar, the sealing performance of doors and windows is more important.

[0003] When the prior art is used, a sealing strip is placed at the top of the box opening, and a cover plate is bolted onto the top of the box, the sealing strip is squeezed, and air is inflated into the inside of the box to increase the air pressure inside the box, and the sealing degree of the sealing strip is observed by a pressure gauge.

[0004] However, in actual use, it is necessary to continuously inflate the test box to increase the pressure inside the test box. However, when using bolts to fix the cover, the bolt cover will exert excessive pressure on the sealing strip, causing damage to the sealing strip, deteriorating the sealing effect and affecting the sealing test of the sealing strip. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a sealing strip high-pressure sealing testing machine, which solves the problem that, in actual use, it is necessary to continuously inflate the test box to increase the pressure in the test box, but when using bolts to fix the cover plate, the bolt cover plate will cause excessive squeezing force on the sealing strip, causing damage to the sealing strip, making the sealing effect worse, and affecting the sealing test of the sealing strip.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a sealing strip high-pressure sealing testing machine comprises a workbench, a fixed frame is installed on the top of the workbench, the inner wall of the workbench is fixedly connected to a test box, a clamping plate is fixedly connected above the inner wall of the test box, the top of the clamping plate is tightly pressed against the sealing strip, the top of the sealing strip is tightly pressed against the extrusion plate, and a protective structure is installed on the top of the extrusion plate, the protective structure comprises a fixed seat, a spring, a buckle, a fixed block, a support column, a limit column and a lifting plate, the top of the fixed seat is fixedly connected to the top of the extrusion plate, the top of the inner wall of the fixed seat is tightly pressed against the spring, the outer wall of the spring is movably connected to the fixed block, the bottom of the fixed block is fixedly connected to the buckle, the outer wall of the buckle is clamped on the inner wall of the fixed seat, the top of the spring is tightly pressed against the support column, the end of the support column extending to the top of the fixed block is fixedly connected to the lifting plate, the inner wall of the lifting plate is movably connected to the limit column, and the top of the limit column is fixedly connected to the top of the inner wall of the fixed frame.

[0007] Preferably, an air pressure pump is fixedly connected to the bottom of the lifting plate, the bottom of the air pressure pump is connected to a connecting pipe, and the bottom of the connecting pipe is connected to the top of the extrusion plate.

[0008] Preferably, a pressure sensor is fixedly connected to the bottom of the inner wall of the test box, the pressure sensor is electrically connected to an alarm, the bottom of the alarm is fixedly connected to the top of the workbench, the pressure sensor is electrically connected to a controller, and the bottom of the controller is fixedly connected to the top of the workbench.

[0009] Preferably, a servo motor is fixedly connected to the top of the fixed frame, an output end of the servo motor extends to one end inside the fixed frame and is fixedly connected to a worm, an outer wall of the worm is movably connected to a worm wheel, an outer wall of the worm wheel is rotatably connected to a fixed box, the top of the fixed box is fixedly connected to the top of the inner wall of the fixed frame, a block is fixedly connected to the front of the worm wheel, an outer wall of the block is meshingly connected to a rack, an outer wall of the rack is movably connected to the inner wall of the fixed box, and one end of the rack extending to the bottom of the fixed box is fixedly connected to the top of the lifting plate.

[0010] Preferably, a slide groove is provided at the top of the rack, a slide column is inserted into the inner wall of the slide groove, and the top of the slide column is fixedly connected to the top of the inner wall of the fixed frame.

[0011] Beneficial Effects

[0012] The utility model provides a sealing strip high-pressure sealing tester. It has the following beneficial effects: the sealing strip high-pressure sealing tester cooperates with a fixing seat, a spring and a support column. When testing the sealing strip, in order to protect the sealing strip from damage, the spring is placed on the top of the fixing seat, and the buckle is inserted on the top of the fixing seat, so that the fixing block fixes the spring, and when the lifting plate drives the support column to rise and fall, the spring is squeezed. Under the action of the spring, the squeezing plate squeezes the sealing strip more tightly, and the sealing strip is not damaged, thereby avoiding the problem of unstable sealing test caused by damage to the sealing strip.

[0013] Through the cooperation of the worm wheel, worm and rack, when the sealing strip is tested, the servo motor is used to drive the worm to rotate, and the meshing of the worm and the worm wheel is used to make the block and the rack mesh, so that the rack drives the lifting plate to move, the extrusion plate moves downward, and the sealing strip is squeezed to ensure that the sealing strip is stable during the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the appearance of the utility model;

[0016] Figure 3 for Figure 1 Structural diagram of the servo motor, fixed frame and fixed box;

[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the lifting plate, extrusion plate and limit column.

[0018] In the figure: 1. workbench, 2. test box, 3. extrusion plate, 4. card board, 5. fixed frame, 6. lifting plate, 7. limit column, 8. controller, 9. alarm, 10. pressure sensor, 11. spring, 12. rack, 13. fixed box, 14. servo motor, 15. air pump, 16. slide column, 17. worm, 18. worm gear, 19. card block, 20. slide groove, 21. connecting pipe, 22. sealing strip, 23. support column, 24. fixed block, 25. fixed seat, 26. buckle. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] However, in actual use, it is necessary to continuously inflate the test box to increase the pressure inside the test box. However, when using bolts to fix the cover, the bolt cover will exert excessive pressure on the sealing strip, causing damage to the sealing strip, deteriorating the sealing effect and affecting the sealing test of the sealing strip.

[0021] In view of this, the utility model provides a sealing strip high-pressure sealing testing machine, which solves the problem that in actual use, it is necessary to continuously inflate the test box to increase the pressure in the test box, but when using bolts to fix the cover plate, the bolt cover plate will cause excessive squeezing force on the sealing strip, causing damage to the sealing strip, making the sealing effect worse, and affecting the sealing test of the sealing strip.

[0022] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0023] Embodiment 1: By Figure 1-4 It can be seen that a sealing strip high-pressure sealing tester includes a workbench 1, a fixing frame 5 is installed on the top of the workbench 1, a test box 2 is fixedly connected to the inner wall of the workbench 1, and the sealing degree of the sealing strip 22 is detected by injecting air into the test box 2. A card plate 4 is fixedly connected to the upper inner wall of the test box 2, the top of the card plate 4 is pressed against the sealing strip 22, the top of the sealing strip 22 is pressed against the extrusion plate 3, and a protective structure is installed on the top of the extrusion plate 3. The protective structure includes a fixing seat 25, a spring 11, a buckle 26, a fixing block 24, a support column 23, and a limit column 7 and the lifting plate 6, the top of the fixed seat 25 is fixedly connected to the top of the extrusion plate 3, the top of the inner wall of the fixed seat 25 is pressed against the spring 11, the outer wall of the spring 11 is movably connected to the fixed block 24, the bottom of the fixed block 24 is fixedly connected with a buckle 26, the outer wall of the buckle 26 is snapped to the inner wall of the fixed seat 25, the top of the spring 11 is pressed against the support column 23, the end of the support column 23 extending to the top of the fixed block 24 is fixedly connected to the lifting plate 6, the inner wall of the lifting plate 6 is movably connected to the limiting column 7, and the top of the limiting column 7 is fixedly connected to the top of the inner wall of the fixed frame 5;

[0024] In the specific implementation process, it is worth pointing out that, under the cooperation of the fixing seat 25, the spring 11 and the support column 23, when the sealing strip 22 is tested, in order to protect the sealing strip 22 from being damaged, the spring 11 is placed on the top of the fixing seat 25, and the buckle 26 is inserted on the top of the fixing seat 25, so that the fixing block 24 fixes the spring 11, and when the lifting plate 6 drives the support column 23 to rise and fall, the spring 11 is squeezed. Under the action of the spring 11, the squeezing plate 3 squeezes the sealing strip 22 more tightly, and does not damage the sealing strip 22, thereby avoiding damage to the sealing strip 22, which leads to the problem of unstable sealing test;

[0025] Furthermore, the bottom of the lifting plate 6 is fixedly connected with an air pressure pump 15, the bottom of the air pressure pump 15 is connected with a connecting pipe 21, and the bottom of the connecting pipe 21 is connected to the top of the extrusion plate 3, wherein the model of the air pressure pump 15 is not limited, and can meet the actual use conditions;

[0026] In the specific implementation process, it is worth pointing out that, under the cooperation of the air pressure pump 15, the extrusion plate 3 and the connecting pipe 21, the air pressure pump 15 and the extrusion plate 3 are connected together using the connecting pipe 21, and the air pressure pump 15 is used to inject gas into the test box 2 to increase the air pressure in the test box 2, and the sealing strip 22 is tested;

[0027] Further, a pressure sensor 10 is fixedly connected to the bottom of the inner wall of the test box 2, the pressure sensor 10 is electrically connected to an alarm 9, the bottom of the alarm 9 is fixedly connected to the top of the workbench 1, the pressure sensor 10 is electrically connected to a controller 8, the bottom of the controller 8 is fixedly connected to the top of the workbench 1, wherein the alarm 9 and the controller 8 are used in conjunction with each other;

[0028] In the specific implementation process, it is worth pointing out that, under the cooperation of the pressure sensor 10 and the alarm 9, the trigger pressure of the pressure sensor 10 is controlled by the controller 8, and the alarm 9 is used to remind the test box 2 that the pressure value in the test box 2 reaches the preset pressure value, and the controller 8 is used to turn off the alarm 9;

[0029] Specifically, when using the sealing strip high-pressure sealing tester, the sealing strip 22 is placed between the card plate 4 and the extrusion plate 3, and the spring 11 is placed on the top of the fixing seat 25, and the buckle 26 is inserted on the top of the fixing seat 25, and the lifting plate 6 is used to drive the support column 23 to move to squeeze the spring 11, and the elasticity of the spring 11 is used to make the fixing seat 25 drive the extrusion plate 3 to squeeze the sealing strip 22, and ensure that the sealing strip 22 will not be damaged, and use the air pressure pump 15 to let the gas enter the test box 2 through the connecting pipe 21 to increase the air pressure in the test box 2 to test the sealing of the sealing strip 22.

[0030] Embodiment 2: By Figure 1-4It can be seen that the top of the fixed frame 5 is fixedly connected with a servo motor 14, the output end of the servo motor 14 extends to one end inside the fixed frame 5 and is fixedly connected with a worm 17, the outer wall of the worm 17 is movably connected with a worm wheel 18, the outer wall of the worm wheel 18 is rotatably connected with a fixed box 13, the top of the fixed box 13 is fixedly connected to the top of the inner wall of the fixed frame 5, the front of the worm wheel 18 is fixedly connected with a block 19, the outer wall of the block 19 is meshingly connected with a rack 12, the outer wall of the rack 12 is movably connected to the inner wall of the fixed box 13, and the end of the rack 12 extending to the bottom of the fixed box 13 is fixedly connected to the top of the lifting plate 6, wherein the model of the servo motor 14 is not limited, and it only needs to meet the actual use requirements;

[0031] In the specific implementation process, it is worth pointing out that, under the cooperation of the worm wheel 18, the worm 17 and the rack 12, when the sealing strip 22 is tested, the servo motor 14 is used to drive the worm 17 to rotate, and the meshing of the worm 17 and the worm wheel 18 is used to make the block 19 mesh with the rack 12, so that the rack 12 drives the lifting plate 6 to move, the extrusion plate 3 is moved downward, and the sealing strip 22 is squeezed to ensure that the sealing strip 22 is stable during the test;

[0032] Furthermore, a slide groove 20 is provided at the top of the rack 12, a slide column 16 is inserted into the inner wall of the slide groove 20, and the top of the slide column 16 is fixedly connected to the top of the inner wall of the fixed frame 5;

[0033] In the specific implementation process, it is worth pointing out that under the cooperation of the chute 20, the rack 12 and the slide post 16, when the rack 12 is raised or lowered, the slide post 16 will move inside the chute 20, so that the rack 12 is stable when being raised or lowered;

[0034] Specifically, on the basis of the above embodiment, when the extrusion plate 3 extrude the sealing strip 22, the servo motor 14 is used to drive the worm 17 to rotate, and the worm wheel 18 is engaged with the worm 17 to make the block 19 engage with the rack 12, so that the rack 12 drives the lifting plate 6 to rise and fall, so that the extrusion plate 3 extrude the sealing strip 22, so that the air pressure in the test box 2 is stable, and the sealing strip 22 is ensured to be more stable during the test.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0036] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing strip high pressure sealing tester, comprising a workbench (1), characterized in that: A fixing frame (5) is installed on the top of the workbench (1); a test box (2) is fixedly connected to the inner wall of the workbench (1); a clamping plate (4) is fixedly connected above the inner wall of the test box (2); a sealing strip (22) is pressed against the top of the clamping plate (4); an extrusion plate (3) is pressed against the top of the sealing strip (22); and a protective structure is installed on the top of the extrusion plate (3); The protective structure comprises a fixing seat (25), a spring (11), a buckle (26), a fixing block (24), a supporting column (23), a limiting column (7) and a lifting plate (6); The top of the fixing seat (25) is fixedly connected to the top of the extrusion plate (3); the top of the inner wall of the fixing seat (25) is pressed against a spring (11); the outer wall of the spring (11) is movably connected to a fixing block (24); the bottom of the fixing block (24) is fixedly connected to a buckle (26); the outer wall of the buckle (26) is snap-fitted to the inner wall of the fixing seat (25); the top of the spring (11) is pressed against a support column (23); one end of the support column (23) extending to the top of the fixing block (24) is fixedly connected to a lifting plate (6); the inner wall of the lifting plate (6) is movably connected to a limiting column (7); the top of the limiting column (7) is fixedly connected to the top of the inner wall of the fixing frame (5).

2. A sealing strip high pressure sealing tester according to claim 1, characterized in that: The bottom of the lifting plate (6) is fixedly connected to an air pressure pump (15), the bottom of the air pressure pump (15) is connected to a connecting pipe (21), and the bottom of the connecting pipe (21) is connected to the top of the extrusion plate (3).

3. The sealing strip high pressure sealing tester according to claim 1, characterized in that: A pressure sensor (10) is fixedly connected to the bottom of the inner wall of the test box (2); the pressure sensor (10) is electrically connected to an alarm (9); the bottom of the alarm (9) is fixedly connected to the top of the workbench (1); the pressure sensor (10) is electrically connected to a controller (8); the bottom of the controller (8) is fixedly connected to the top of the workbench (1).

4. The sealing strip high pressure sealing tester according to claim 1, characterized in that: The top of the fixed frame (5) is fixedly connected to a servo motor (14); an output end of the servo motor (14) extends to one end inside the fixed frame (5) and is fixedly connected to a worm (17); an outer wall of the worm (17) is movably connected to a worm wheel (18); an outer wall of the worm wheel (18) is rotatably connected to a fixed box (13); a top of the fixed box (13) is fixedly connected to the top of the inner wall of the fixed frame (5); a front surface of the worm wheel (18) is fixedly connected to a clamping block (19); an outer wall of the clamping block (19) is meshingly connected to a rack (12); an outer wall of the rack (12) is movably connected to the inner wall of the fixed box (13); and one end of the rack (12) extending to the bottom of the fixed box (13) is fixedly connected to the top of the lifting plate (6).

5. The sealing strip high pressure sealing tester according to claim 4, characterized in that: A slide groove (20) is provided at the top of the rack (12), a slide column (16) is inserted into the inner wall of the slide groove (20), and the top of the slide column (16) is fixedly connected to the top of the inner wall of the fixed frame (5).