A corrosion-resistant water pump shaft sleeve sealing structure

Abstract

The utility model discloses a corrosion-resistant water pump shaft sleeve sealing structure, including a shaft body, a shaft sleeve movably connected to the outer side of the shaft body, and a sealing groove is provided on the inner side of the shaft sleeve. The utility model sets a first sealing plate and a second sealing plate, so that a sealing ring structure can be formed by the mutual fit between the first sealing plate and the second sealing plate. When replacing, the two can be disassembled and assembled by simply separating them, which improves the convenience of device replacement. By setting a gear ring, the movable screws on both sides can be rotated at the same time, thereby driving the limiting sealing block to press and fix the first sealing plate and the second sealing plate, thereby improving the stability and convenience of device installation. By setting a connecting sealing sleeve and a connecting thread groove, the sealing sleeve can be screwed to the outer side of the connecting thread groove, so that the sealing and stability of the device are further improved, solving the problem of inconvenient replacement of the sealing ring of the existing corrosion-resistant water pump shaft sleeve sealing structure.

Description

Technical Field

[0001] The utility model relates to the technical field of water pump shaft sleeve sealing, in particular to a corrosion-resistant water pump shaft sleeve sealing structure. Background Art

[0002] The domestic water pump industry usually installs a replaceable sleeve on the pump shaft to protect the pump shaft from wear. The sleeve and the shaft are key-connected with a clearance fit, and the clearance value ranges from 0.5-1mm, and is sealed with an O-ring.

[0003] However, in actual use, we found that the seal ring has a large loss due to friction, and generally needs to be replaced regularly. When the seal ring needs to be replaced, the pump needs to be disassembled, which is actually difficult to disassemble the pump body, resulting in inconvenience in replacing the seal ring. Therefore, it is necessary to design and modify the corrosion-resistant water pump shaft sleeve sealing structure to solve the problem of inconvenience in replacing the seal ring. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide a corrosion-resistant water pump shaft sleeve sealing structure.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corrosion-resistant water pump shaft sleeve sealing structure, comprising a shaft body, a shaft sleeve is movably connected to the outer side of the shaft body, a sealing groove is provided on the inner side of the shaft sleeve, a first sealing plate is movably connected to the inner side of the sealing groove, a second sealing plate is movably connected to the right side of the first sealing plate, a moving groove is provided on the inner side of the shaft sleeve, a moving screw is threadedly connected to the inner side of the moving groove, a moving plate is movably connected to the front side of the moving screw, a flat gear is movably connected to the inner side of the moving plate, a connecting groove is provided on the inner side of the flat gear, the connecting groove and the moving screw are fixedly connected, a gear ring is movably connected to the inner side of the moving plate, the gear ring and the flat gear are meshed, a rotating block is fixedly connected to the outer side of the gear ring, a limiting sealing block is fixedly connected to the rear side of the moving plate, a pressing groove is provided on the inner side of the limiting sealing block, the first sealing plate and the second sealing plate are both used in conjunction with the pressing groove, a connecting sealing sleeve is fixedly connected to the rear side of the rotating block, a connecting thread groove is provided on the outer side of the shaft sleeve, and the connecting thread groove and the connecting sealing sleeve are used in conjunction with each other.

[0006] As a preferred embodiment of the utility model, a card slot is provided on the inner side of the first sealing plate, a card block is fixedly connected to the left side of the second sealing plate, and the card slot and the card block are movably connected.

[0007] As a preferred embodiment of the utility model, a first magnetic plate is fixedly connected to the inner side of the connecting sealing sleeve, and a second magnetic plate is fixedly connected to the inner side of the connecting thread groove.

[0008] As a preferred embodiment of the utility model, a stabilizing groove is opened on the inner side of the movable plate, and a baffle is threadedly connected to the inner side of the stabilizing groove.

[0009] As a preferred embodiment of the utility model, a fixing plate is fixedly connected to the front side of the rotating block, and an air tightness detection device is fixedly connected to the right side of the fixing plate.

[0010] As a preferred embodiment of the utility model, a reinforcing screw is movably connected to the outer side of the sleeve, a reinforcing groove is opened on the surface of the rotating block, and the reinforcing screw and the reinforcing groove are used in coordination.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model provides a first sealing plate and a second sealing plate, so that a sealing ring structure can be formed by the mutual fitting of the first sealing plate and the second sealing plate. When replacing, the two need only be separated for disassembly and assembly, thereby improving the convenience of device replacement. By providing a gear ring, the movable screws on both sides can rotate at the same time, thereby driving the limiting sealing block to press and fix the first sealing plate and the second sealing plate, thereby improving the stability and convenience of device installation. By providing a connecting sealing sleeve and a connecting thread groove, the connecting sealing sleeve can be screwed to the outside of the connecting thread groove, thereby further improving the sealing and stability of the device, thereby solving the problem of inconvenient replacement of the sealing ring of the existing corrosion-resistant water pump shaft sleeve sealing structure.

[0013] 2. The utility model makes the connection between the first sealing plate and the second sealing plate tighter by setting the card slot and the card block, thereby improving the stability of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the front view of the structure of the utility model;

[0015] Figure 2 This is a rear view of the structure of the utility model;

[0016] Figure 3 It is a side view of the structure of the utility model.

[0017] In the figure: 1. shaft body; 2. bushing; 3. sealing groove; 4. first sealing plate; 5. second sealing plate; 6. movable groove; 7. movable screw; 8. movable plate; 9. flat gear; 10. connecting groove; 11. gear ring; 12. rotating block; 13. limiting sealing block; 14. clamping groove; 15. connecting sealing sleeve; 16. connecting thread groove; 17. clamping groove; 18. clamping block; 19. first magnetic plate; 20. second magnetic plate; 21. stabilizing groove; 22. baffle; 23. fixing plate; 24. air tightness detection device; 25. reinforcing screw; 26. reinforcing 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] like Figures 1 to 3 As shown, the utility model provides a corrosion-resistant water pump shaft sleeve sealing structure, including a shaft body 1, a shaft sleeve 2 is movably connected to the outer side of the shaft body 1, a sealing groove 3 is provided inside the shaft sleeve 2, a first sealing plate 4 is movably connected to the inner side of the sealing groove 3, a second sealing plate 5 is movably connected to the right side of the first sealing plate 4, a moving groove 6 is provided inside the shaft sleeve 2, a moving screw 7 is threadedly connected to the inner side of the moving groove 6, a moving plate 8 is movably connected to the front side of the moving screw 7, a flat gear 9 is movably connected to the inner side of the moving plate 8, a connecting groove 10 is provided inside the flat gear 9, and a connecting groove 10 is provided inside the connecting groove 11. The connecting groove 10 is fixedly connected to the movable screw rod 7, a gear ring 11 is movably connected to the inner side of the movable plate 8, the gear ring 11 is meshed with the flat gear 9, a rotating block 12 is fixedly connected to the outer side of the gear ring 11, a limiting sealing block 13 is fixedly connected to the rear side of the movable plate 8, a clamping groove 14 is provided on the inner side of the limiting sealing block 13, the first sealing plate 4 and the second sealing plate 5 are both used in conjunction with the clamping groove 14, a connecting sealing sleeve 15 is fixedly connected to the rear side of the rotating block 12, a connecting thread groove 16 is provided on the outer side of the shaft sleeve 2, and the connecting thread groove 16 and the connecting sealing sleeve 15 are used in conjunction with each other.

[0020] refer to Figure 1 A card slot 17 is provided on the inner side of the first sealing plate 4 , and a card block 18 is fixedly connected to the left side of the second sealing plate 5 , and the card slot 17 and the card block 18 are movably connected.

[0021] As a technical optimization solution of the present invention, the arrangement of the card slot 17 and the card block 18 makes the connection between the first sealing plate 4 and the second sealing plate 5 tighter, thereby improving the stability of the device during use.

[0022] refer to Figure 2 A first magnetic plate 19 is fixedly connected to the inner side of the connecting sealing sleeve 15 , and a second magnetic plate 20 is fixedly connected to the inner side of the connecting thread groove 16 .

[0023] As a technical optimization solution of the utility model, by disposing the first magnetic plate 19 and the second magnetic plate 20, the connection between the connecting sealing sleeve 15 and the connecting thread groove 16 is made tighter, thereby improving the stability of the device connection.

[0024] refer to Figure 1 A stabilizing groove 21 is provided on the inner side of the movable plate 8 , and a baffle 22 is threadedly connected to the inner side of the stabilizing groove 21 .

[0025] As a technical optimization solution of the utility model, by providing the stabilizing groove 21 and the baffle 22, the inner structure of the movable plate 8 can be exposed to facilitate maintenance thereof, thereby improving the convenience of using the device.

[0026] refer to Figure 1 A fixing plate 23 is fixedly connected to the front side of the rotating block 12 , and an air tightness detection device 24 is fixedly connected to the right side of the fixing plate 23 .

[0027] As a technical optimization scheme of the utility model, by setting the fixing plate 23 and the airtightness detection device 24, the airtightness of the device can be detected by the airtightness detection device 24, so that the first sealing plate 4 and the second sealing plate 5 can be replaced in time after they are worn, thereby improving the convenience of using the device.

[0028] refer to Figure 2 A reinforcing screw 25 is movably connected to the outer side of the sleeve 2, and a reinforcing groove 26 is opened on the surface of the rotating block 12. The reinforcing screw 25 and the reinforcing groove 26 are used in conjunction with each other.

[0029] As a technical optimization solution of the utility model, by setting the reinforcement screw 25 and the reinforcement groove 26, after the rotating block 12 drives the movable plate 8 to move to the appropriate position, the reinforcement screw 25 can be screwed into the inner side of the reinforcement groove 26 for fixation, thereby improving the stability of the device.

[0030] The working principle and use process of the utility model are as follows: when replacing, pull the first sealing plate 4 to move so that the blocking block 18 and the blocking groove 17 are separated, then remove the first sealing plate 4 and the second sealing plate 5 from the upper side of the shaft body 1, and then sleeve the new first sealing plate 4 and the second sealing plate 5 on the outside of the shaft body 1, and then rotate the rotating block 12, drive the gear ring 11 to rotate through the rotating block 12, drive the flat gear 9 to rotate through the gear ring 11, and drive the moving screw 7 to rotate through the flat gear 9, so that the moving screw 7 is screwed into the inner side of the moving groove 6, and drive the rotating block 12 and the moving plate 8 to move through the moving screw 7, so that the moving plate 8 drives the limiting sealing block 13 to move, so that the first sealing plate 4 and the second sealing plate 5 enter the inner side of the clamping groove 14 of the limiting sealing block 13 for fixing, and at the same time drive the connecting sealing sleeve 15 to rotate through the rotating block 12, so that the connecting sealing sleeve 15 is screwed on the outer side of the connecting thread groove 16, and then the reinforcing screw 25 is screwed into the inner side of the reinforcing groove 26.

[0031] 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.

[0032] 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 corrosion-resistant water pump shaft sleeve sealing structure, comprising a shaft body (1), characterized in that: The shaft body (1) is movably connected to a shaft sleeve (2) on the outside, a sealing groove (3) is provided on the inside of the shaft sleeve (2), a first sealing plate (4) is movably connected to the inside of the sealing groove (3), a second sealing plate (5) is movably connected to the right side of the first sealing plate (4), a movable groove (6) is provided on the inside of the shaft sleeve (2), a movable screw (7) is threadedly connected to the inside of the movable groove (6), a movable plate (8) is movably connected to the front side of the movable screw (7), a spur gear (9) is movably connected to the inside of the movable plate (8), a connecting groove (10) is provided on the inside of the spur gear (9), and the connecting groove (10) and the movable screw (7) are fixedly connected. The movable plate (8) is movably connected to a gear ring (11) on the inner side, the gear ring (11) is meshed with a flat gear (9), a rotating block (12) is fixedly connected to the outer side of the gear ring (11), a limiting sealing block (13) is fixedly connected to the rear side of the movable plate (8), a clamping groove (14) is provided on the inner side of the limiting sealing block (13), the first sealing plate (4) and the second sealing plate (5) are both used in conjunction with the clamping groove (14), a connecting sealing sleeve (15) is fixedly connected to the rear side of the rotating block (12), a connecting thread groove (16) is provided on the outer side of the shaft sleeve (2), and the connecting thread groove (16) and the connecting sealing sleeve (15) are used in conjunction with each other.

2. The corrosion-resistant water pump shaft sleeve sealing structure according to claim 1, characterized in that: A clamping groove (17) is provided on the inner side of the first sealing plate (4), a clamping block (18) is fixedly connected to the left side of the second sealing plate (5), and the clamping groove (17) and the clamping block (18) are movably connected.

3. The corrosion-resistant water pump shaft sleeve sealing structure according to claim 1, characterized in that: A first magnetic plate (19) is fixedly connected to the inner side of the connection sealing sleeve (15), and a second magnetic plate (20) is fixedly connected to the inner side of the connection thread groove (16).

4. The corrosion-resistant water pump shaft sleeve sealing structure according to claim 1, characterized in that: A stabilizing groove (21) is provided on the inner side of the movable plate (8), and a baffle (22) is threadedly connected to the inner side of the stabilizing groove (21).

5. The corrosion-resistant water pump shaft sleeve sealing structure according to claim 1, characterized in that: A fixing plate (23) is fixedly connected to the front side of the rotating block (12), and an air tightness detection device (24) is fixedly connected to the right side of the fixing plate (23).

6. The corrosion-resistant water pump shaft sleeve sealing structure according to claim 1, characterized in that: A reinforcing screw rod (25) is movably connected to the outer side of the shaft sleeve (2), and a reinforcing groove (26) is provided on the surface of the rotating block (12). The reinforcing screw rod (25) and the reinforcing groove (26) are used in coordination.

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