Air tightness detection mechanism for corrugated pipe of washing machine

Abstract

The utility model discloses an air tightness detection mechanism for a corrugated pipe of a washing machine, and relates to the technical field of corrugated pipes. The top end of the working table is fixedly provided with a test box, the inside of the test box is movably inserted with a corrugated pipe body, the top of the test box is provided with uniformly distributed air outlet grooves, one end of the working table is provided with a sealing groove, the top end of the working table is provided with a clamping groove, and the inside of the clamping groove is rotatably clamped with a screw rod; the outer side of the screw rod is sleeved with a moving block in a threaded mode, and the top end of the moving block is fixedly connected with a supporting rod; through cooperation of the motor, the screw rod, the moving block, the guide block, the guide groove, the supporting rod, the connecting sleeve, the test box, the sealing cover and the sealing groove, the fan body is driven to blow air, the fan body blows air to detect the corrugated pipe body, air with unqualified air tightness of the corrugated pipe body can be discharged from the air outlet groove, detection of the corrugated pipe body is achieved, the structure is ingenious, and the detection efficiency is high. Time, labor and water resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows, in particular to an air tightness detection mechanism for a washing machine bellows. Background Art

[0002] Bellows refers to a tubular elastic sensitive element connected by foldable corrugated sheets along the folding and expansion direction. Bellows are widely used in instruments and meters. Their main purpose is to be used as a measuring element of pressure measuring instruments to convert pressure into displacement or force. The bellows has a thin wall and high sensitivity, and the measurement range is from tens of Pa to tens of MPa.

[0003] However, traditional bellows are subject to air tightness tests before leaving the factory, and can only leave the factory if they pass the test. However, the traditional testing method is to manually test the bellows using water, which is too cumbersome and labor-intensive, and wastes water resources. In response to the above problems, the inventor proposes a washing machine bellows air tightness detection mechanism to solve the above problems. Utility Model Content

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a washing machine bellows air tightness detection mechanism, comprising a workbench, a test box is fixedly installed on the top of the workbench, a bellows body is movably inserted inside the test box, a uniformly distributed air outlet groove is provided on the top of the test box, a sealing groove is provided at one end of the workbench, a clamping slot is provided at the top of the workbench, a screw rod is rotatably provided inside the clamping slot, a moving block is provided on the outer threaded sleeve of the screw rod, a support rod is fixedly connected to the top of the moving block, a connecting sleeve is movably installed on the top of the support rod, a fan body is fixedly inserted at one end of the connecting sleeve, a sealing cover is fixedly connected to one end of the fan body, a motor is fixedly installed on the upper side end of the workbench, and the driving end of the motor passes through the workbench and is fixedly connected to the screw rod.

[0005] Preferably, a symmetrically distributed connecting block is fixedly installed on the outer side of the support rod, and a symmetrically distributed slot is opened on the outer side of the connecting sleeve. One end of the connecting block is movably inserted into the inner side of the slot. A connecting column is fixedly connected to the top end of the support rod, and one end of the connecting column is movably inserted into the inner side of the connecting sleeve. A bolt is threadedly installed on the outer side of the connecting block, and one end of the bolt threadably penetrates the connecting block and is threadedly installed inside the connecting sleeve.

[0006] Preferably, a symmetrically distributed fixing plate is fixedly installed on the top of the moving block, one end of the fixing plate is fixedly connected to a guide block, a guide groove corresponding to the guide block is opened on the top of the workbench, and one end of the guide block is slidably inserted into the inner side of the guide groove.

[0007] Preferably, symmetrically distributed pads are fixedly connected to the bottom surface of the workbench.

[0008] Preferably, a storage slot is provided on the front side of the workbench.

[0009] Preferably, a sealing plate is slidably inserted into the top surface of the workbench, and one end of the sealing plate is in contact with the inner wall of the storage tank.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. Through the coordination of the motor, screw, moving block, guide block, guide groove, support rod, connecting sleeve, test box, sealing cover and sealing groove, the fan body is driven to blow air. The fan body blows air to detect the bellows body. The air that does not meet the air tightness of the bellows body will be discharged from the air outlet groove, thereby realizing the detection of the bellows body. The structure is ingenious, saving time and effort, and saving water resources;

[0012] 2. By removing the bolts and then pulling out the connecting sleeve, the connecting sleeve drives the fan body to separate the connecting block and the connecting column, making it easy to disassemble the fan body and facilitate the later inspection and maintenance of the fan body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

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

[0015] Figure 2 It is a schematic diagram of the structural disassembly of the utility model.

[0016] Figure 3 It is a schematic diagram of the disassembly of the support rod and the connecting sleeve structure of the utility model.

[0017] In the figure: 1. workbench; 11. test box; 12. bellows body; 13. air outlet groove; 14. card slot; 15. screw; 16. moving block; 17. support rod; 18. connecting sleeve; 19. motor; 20. fan body; 21. sealing cover; 22. connecting block; 23. connecting column; 24. slot; 25. bolt; 26. fixing plate; 27. guide block; 28. guide groove; 29. ​​pad; 30. storage tank; 31. sealing plate; 32. sealing groove. DETAILED DESCRIPTION

[0018] 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.

[0019] Example: Figure 1-3 As shown, the utility model provides a technical solution: a washing machine bellows air tightness detection mechanism, comprising a workbench 1, a test box 11 is fixedly installed on the top of the workbench 1, a bellows body 12 is movably inserted inside the test box 11, a uniformly distributed air outlet groove 13 is provided on the top of the test box 11, a sealing groove 32 is provided at one end of the workbench 1, a clamping groove 14 is provided on the top of the workbench 1, a screw 15 is rotatably clamped inside the clamping groove 14, a moving block 16 is provided on the outer thread sleeve of the screw 15, a support rod 17 is fixedly connected to the top of the moving block 16, a connecting sleeve 18 is movably installed on the top of the support rod 17, a fan body 20 is fixedly inserted at one end of the connecting sleeve 18, a sealing cover 21 is fixedly connected to one end of the fan body 20, a motor 19 is fixedly installed on the upper side end of the workbench 1, and a driving end of the motor 19 passes through the workbench 1 and is fixedly connected to the screw 15.

[0020] A symmetrically distributed connecting block 22 is fixedly installed on the outer side of the support rod 17, and a symmetrically distributed slot 24 is opened on the outer side of the connecting sleeve 18. One end of the connecting block 22 is movably inserted into the inner side of the slot 24. A connecting column 23 is fixedly connected to the top end of the support rod 17, and one end of the connecting column 23 is movably inserted into the inner side of the connecting sleeve 18. A bolt 25 is threadedly installed on the outer side of the connecting block 22, and one end of the bolt 25 is threadedly penetrated through the connecting block 22 and is threadedly installed inside the connecting sleeve 18.

[0021] By adopting the above technical solution, by removing the bolt 25 and then pulling out the connecting sleeve 18, the connecting sleeve 18 drives the fan body 20 to separate the connecting block 22 and the connecting column 23, which facilitates the disassembly of the fan body 20 and facilitates the subsequent inspection and maintenance of the fan body 20.

[0022] A symmetrically distributed fixed plate 26 is fixedly installed on the top of the moving block 16, one end of the fixed plate 26 is fixedly connected to a guide block 27, a guide groove 28 corresponding to the guide block 27 is opened on the top of the workbench 1, and one end of the guide block 27 is slidably inserted into the inner side of the guide groove 28.

[0023] By adopting the above technical solution, the moving block 16 is guided by setting the guide block 27 to slide in the guide groove 28 .

[0024] The bottom surface of the workbench 1 is fixedly connected with symmetrically distributed pads 29 .

[0025] By adopting the above technical solution, the support stability of the workbench 1 is enhanced by providing the pad 29 .

[0026] A storage slot 30 is provided on the front of the workbench 1 .

[0027] By adopting the above technical solution, the storage groove 30 is provided to facilitate storage of the bellows body 12 .

[0028] A sealing plate 31 is slidably inserted into the top surface of the workbench 1 , and one end of the sealing plate 31 is in contact with the inner wall of the storage tank 30 .

[0029] By adopting the above technical solution, the storage tank 30 can be sealed conveniently by providing a sealing plate 31 .

[0030] Working principle: First, insert the bellows body 12 into the test box 11, then drive the motor 19 to rotate the screw 15, the screw 15 rotates to drive the moving block 16 to move, the guide block 27 slides in the guide groove 28 to guide the moving block 16, and then the moving block 16 drives the support rod 17 to move closer to the test box 11, the support rod 17 drives the connecting sleeve 18 and the fan body 20 to move closer to the test box 11, and moves until the sealing cover 21 on the fan body 20 is stuck in the sealing groove 32 and then drives the fan body 20 The fan body 20 is blown to detect the bellows body 12. The air that is not airtight of the bellows body 12 will be discharged from the air outlet groove 13, thereby realizing the detection of the bellows body 12. The structure is ingenious, saving time and effort, and saving water resources. By removing the bolt 25 and then pulling out the connecting sleeve 18, the connecting sleeve 18 drives the fan body 20 to separate from the connecting block 22 and the connecting column 23, which is convenient for disassembling the fan body 20 and facilitating the inspection and maintenance of the fan body 20 at a later time.

[0031] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A washing machine bellows air tightness detection mechanism, comprising a workbench (1), Features: A test box (11) is fixedly mounted on the top of the workbench (1), a bellows body (12) is movably inserted inside the test box (11), a top of the test box (11) is provided with evenly distributed air outlet grooves (13), one end of the workbench (1) is provided with a sealing groove (32), a clamping groove (14) is provided on the top of the workbench (1), a screw rod (15) is rotatably clamped inside the clamping groove (14), a moving block (16) is threadedly sleeved on the outer side of the screw rod (15), a support rod (17) is fixedly connected to the top of the moving block (16), a connecting sleeve (18) is movably mounted on the top of the support rod (17), a fan body (20) is fixedly inserted on one end of the connecting sleeve (18), and a sealing cover (21) is fixedly connected to one end of the fan body (20), and a motor (19) is fixedly mounted on the upper side of the workbench (1), and a driving end of the motor (19) passes through the workbench (1) and is fixedly connected to the screw rod (15).

2. A washing machine bellows air tightness detection mechanism as claimed in claim 1, It is characterized in that The outer side of the support rod (17) is fixedly mounted with symmetrically distributed connecting blocks (22); the outer side of the connecting sleeve (18) is provided with symmetrically distributed slots (24); one end of the connecting block (22) is movably plugged into the inner side of the slot (24); the top end of the support rod (17) is fixedly connected with a connecting column (23); one end of the connecting column (23) is movably plugged into the inner side of the connecting sleeve (18); a bolt (25) is threadedly mounted on the outer side of the connecting block (22); one end of the bolt (25) is threadedly inserted through the connecting block (22) and is threadedly mounted inside the connecting sleeve (18).

3. A washing machine bellows air tightness detection mechanism as claimed in claim 1, It is characterized in that A symmetrically distributed fixing plate (26) is fixedly mounted on the top of the moving block (16), one end of the fixing plate (26) is fixedly connected to a guide block (27), a guide groove (28) corresponding to the guide block (27) is formed on the top of the workbench (1), and one end of the guide block (27) is slidably inserted into the inner side of the guide groove (28).

4. A washing machine bellows air tightness detection mechanism as claimed in claim 3, It is characterized in that The bottom surface of the workbench (1) is fixedly connected with symmetrically distributed pads (29).

5. A washing machine bellows air tightness detection mechanism as claimed in claim 4, It is characterized in that A storage slot (30) is provided on the front side of the workbench (1).

6. A washing machine bellows air tightness detection mechanism as claimed in claim 5, It is characterized in that A sealing plate (31) is slidably inserted into the top surface of the workbench (1), and one end of the sealing plate (31) is in contact with the inner wall of the storage tank (30).

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