CN217107537U

CN217107537U - Water pump shaft with good sealing performance

Info

Publication number: CN217107537U
Application number: CN202123402883.3U
Authority: CN
Inventors: 许伟达; 许畅平; 吴超辰; 王小岑
Original assignee: Wuxi Hanweite Machinery Manufacturing Co ltd
Current assignee: Wuxi Hanweite Machinery Manufacturing Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-02
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to the technical field of water pumps, in particular to a water pump shaft with good sealing performance, which comprises a driving motor and a driving motor, wherein the middle part of the right surface of the driving motor is fixedly provided with an overhaul box, the outer side of the lower surface of the driving motor is fixedly provided with an installation block, the middle part of the lower surface of the driving motor is rotatably provided with a rotating shaft, the middle part of the rotating shaft is provided with an adjustable magnetic sealing component, the bottom of the rotating shaft is fixedly provided with a circular water baffle plate, the utility model utilizes repulsive force between different magnetic poles to push a first annular sealing ring to move towards a second annular sealing ring, so that a sealing water film is formed between the first annular sealing ring and the second annular sealing ring in a rotating state, and simultaneously, the position of the rotating block can be changed to recalibrate the laminating force between the first annular sealing ring and the second annular sealing ring, the sealing performance is ensured, abrasion and water leakage in long-time use are avoided, and the service life is prolonged.

Description

Water pump shaft with good sealing performance

Technical Field

The utility model relates to a water pump technical field specifically is a water pump shaft that leakproofness is good.

Background

When the water pump works, the water pump impeller is driven to rotate through the rotating shaft to generate pressure difference, so that water is pumped and discharged, and the water pump is widely applied to daily life and work.

When the existing water pump rotating shaft is used, because the sealing gasket is in contact friction for a long time, a large gap is generated after the sealing gasket is used for a long time, the water pump leaks water to influence the use, the potential safety hazard is increased, and therefore the water pump shaft with good sealing performance is needed to improve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water pump shaft that leakproofness is good to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a water pump shaft that leakproofness is good, includes driving motor, the middle part fixed mounting on driving motor right side surface has the maintenance box, the outside fixed mounting of driving motor lower surface has the installation piece, the rotation axis is installed in the middle part of driving motor lower surface, the middle part of axis of rotation is provided with adjustable magnetic seal subassembly, the bottom fixed mounting of axis of rotation has the breakwater of circular form, the bottom of breakwater is provided with the rotatory impeller of fixed mounting in the axis of rotation.

Preferably, the adjustable magnetic sealing assembly comprises a rotating block, a threaded hole penetrating through the upper outer surface and the lower outer surface of the rotating block is formed in the inner wall of the rotating block, a threaded groove is formed in the middle of the outer surface of the rotating shaft, and the rotating block and the rotating shaft are fixed through the threaded hole and the threaded groove which are matched with each other.

Preferably, the bottom fixed mounting of rotatory piece surface has rather than the first annular connecting block of the annular form of coaxial setting, the lower surface fixed mounting of first annular connecting block has rather than the second annular magnet of the annular form of coaxial setting, the diameter of second annular magnet is less than the diameter of first annular connecting block.

Preferably, a first annular sealing ring which is slidably mounted on the rotating shaft is arranged below the rotating block, a circular sliding cavity which is coaxial with the first annular sealing ring is formed in the middle of the upper surface of the first annular sealing ring, and the first annular sealing ring is slidably connected with the rotating shaft through the sliding cavity.

Preferably, the upper surface of the first annular sealing ring is fixedly provided with a first annular magnet which is coaxially arranged with the first annular sealing ring and has an annular shape, and the surfaces of the first annular magnet and the second annular magnet are homopolar.

Preferably, a second annular sealing ring fixedly mounted on the rotating shaft is arranged below the first annular sealing ring, and a fixing hole coaxial with the second annular sealing ring is formed in the middle of the second annular sealing ring.

Preferably, a group of annular extension blocks are fixedly mounted on the outer sides of the opposite side surfaces of the second annular sealing ring and the first annular sealing ring, and the annular extension blocks are made of the same material as the first annular sealing ring and the second annular sealing ring.

Preferably, the annular extension blocks are arranged in two groups, and the two groups of annular extension blocks are symmetrically distributed.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the arranged adjustable magnetic sealing component, the repulsion force between different magnetic poles can be used for pushing the first annular sealing ring to move towards the second annular sealing ring, so that a sealing water film is formed between the first annular sealing ring and the second annular sealing ring in a rotating state, and the generated water film structure can effectively increase the sealing performance of the water pump shaft during rotation;

2. the utility model discloses in, through the rotatory piece among the adjustable magnetic seal subassembly that sets up, can change the interval between first ring magnet and second ring magnet, after first ring seal took place certain wearing and tearing with second ring seal, change the position of rotatory piece alright with the laminating power between first ring seal and the second ring seal of recalibration, guarantee sealing performance, avoid long-time use wearing and tearing to leak, increased life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

fig. 3 is a schematic structural view of the adjustable magnetic seal assembly of the present invention;

fig. 4 is a schematic bottom view of the first annular connecting block according to the present invention.

In the figure: 1. a drive motor; 2. overhauling the box; 3. mounting blocks; 4. a rotating shaft; 5. an adjustable magnetic seal assembly; 6. a water baffle; 7. rotating the impeller; 51. a thread groove; 52. rotating the block; 53. a first annular connecting block; 54. a first annular seal ring; 55. a second annular seal ring; 56. a threaded hole; 57. a slide chamber; 58. a first ring magnet; 59. a fixing hole; 60. an annular extension block; 61. a second ring magnet.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a water pump shaft with good sealing performance:

the utility model provides a water pump shaft that leakproofness is good, including driving motor 1, the middle part fixed mounting on the 1 right side surface of driving motor has maintenance box 2, the outside fixed mounting of the 1 lower surface of driving motor has installation piece 3, the rotation axis 4 is installed in the middle part of the 1 lower surface of driving motor, the middle part of rotation axis 4 is provided with adjustable magnetic seal subassembly 5, the bottom fixed mounting of rotation axis 4 has circular form breakwater 6, the bottom of breakwater 6 is provided with the rotatory impeller 7 of fixed mounting in rotation axis 4.

In this embodiment, referring to fig. 2 and fig. 3, the adjustable magnetic sealing assembly 5 includes a rotary block 52, a threaded hole 56 penetrating through upper and lower outer surfaces of the rotary block 52 is formed on an inner wall of the rotary block 52, a threaded groove 51 is formed in a middle portion of an outer surface of the rotating shaft 4, and the rotary block 52 and the rotating shaft 4 are fixed by mutually matching threads of the threaded hole 56 and the threaded groove 51, so that the rotary block 52 can be rotated downward, and positions of the rotary block 52 and the second annular magnet 61 can be changed.

In this embodiment, referring to fig. 2, 3 and 4, a first annular connecting block 53 having an annular shape and coaxially disposed on the bottom of the outer surface of the rotating block 52 is fixedly mounted on the bottom of the outer surface of the rotating block 52, a second annular magnet 61 having an annular shape and coaxially disposed on the lower surface of the first annular connecting block 53, the diameter of the second annular magnet 61 is smaller than that of the first annular connecting block 53, when the water pump is used for a period of time, the rotating block 52 is rotated downward to move the first annular connecting block 53 downward, the second annular magnet 61 moves downward to change the distance between the first annular magnet 58, the second annular magnet 61 further pushes the first annular sealing ring 54 to move towards the second annular sealing ring 55, so that the first annular sealing ring 54 further contacts with the second annular sealing ring 55 to reduce the gap caused by wear, and the first annular sealing ring 54 and the second annular sealing ring 55 still form a rotating water film sealing structure, the service life of the water pump is prolonged.

In this embodiment, referring to fig. 2, 3 and 4, a first annular sealing ring 54 slidably mounted on the rotating shaft 4 is disposed below the rotating block 52, a circular sliding cavity 57 is disposed in the middle of the upper surface of the first annular sealing ring 54, the first annular sealing ring 54 is slidably connected to the rotating shaft 4 through the sliding cavity 57, a first annular magnet 58 is fixedly mounted on the upper surface of the first annular sealing ring 54, the first annular magnet 58 is coaxially mounted on the upper surface of the first annular sealing ring 54, the surfaces of the first annular magnet 58 and the second annular magnet 61 are homopolar, when in use, the first annular sealing ring 54 is first mounted in a sealing cavity inside the water pump, when in use, the rotating shaft 4 drives the second annular sealing ring 55 to rotate, and the second annular magnet 61 on the lower surface of the first annular connecting block 53 and the first annular magnet 58 on the upper surface of the first annular sealing ring 54 generate a relative repulsive force, and then promote first ring type seal 54 and remove to second ring type seal 55, the annular extension piece 60 of first ring type seal 54 lower surface and the annular extension piece 60 of second ring type seal 55 upper surface laminate mutually this moment to form and rotate the water film, and then form seal structure, the design is more humanized.

In this embodiment, referring to fig. 3, a second annular sealing ring 55 fixedly mounted on the rotating shaft 4 is disposed below the first annular sealing ring 54, a fixing hole 59 coaxially disposed with the second annular sealing ring 55 is disposed in the middle of the second annular sealing ring 55, and the second annular sealing ring 55 rotates at a fixed position, so as to form a water film sealing structure.

In this embodiment, referring to fig. 3, a set of annular extending blocks 60 is fixedly installed on the outer sides of the opposite side surfaces of the second annular sealing ring 55 and the first annular sealing ring 54, the annular extending blocks 60 are made of the same material as the first annular sealing ring 54 and the second annular sealing ring 55, two sets of annular extending blocks 60 are provided, the two sets of annular extending blocks 60 are distributed symmetrically, the annular extending block 60 on the lower surface of the first annular sealing ring 54 is attached to the annular extending block 60 on the upper surface of the second annular sealing ring 55, and a rotating water film is formed, so as to form a sealing structure, and the sealing performance when the rotating shaft 4 rotates is effectively increased.

The utility model discloses the theory of operation: when the water pump is used for a period of time, the rotating block 52 is rotated downwards to enable the first annular connecting block 53 to move downwards, the second annular magnet 61 moves downwards to change the distance between the second annular magnet 61 and the first annular magnet 58, and the second annular magnet 61 further pushes the first annular sealing ring 54 to move towards the second annular sealing ring 55, make first ring type seal 54 and second ring type seal 55 further laminate, reduce the gap that wearing and tearing lead to for first ring type seal 54 still forms with second ring type seal 55 and rotates water film seal structure, has increased the life of water pump, and the design is more humanized.

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

Claims

1. The utility model provides a water pump shaft that leakproofness is good, includes driving motor (1), its characterized in that: the utility model discloses a rotary impeller, including driving motor (1), drive motor (1), the middle part fixed mounting on right surface of driving motor (1) has maintenance box (2), the outside fixed mounting of driving motor (1) lower surface has installation piece (3), the rotation of the middle part of driving motor (1) lower surface installs axis of rotation (4), the middle part of axis of rotation (4) is provided with adjustable magnetic seal subassembly (5), the bottom fixed mounting of axis of rotation (4) has water baffle (6) of circular form, the bottom of water baffle (6) is provided with rotary impeller (7) of fixed mounting on axis of rotation (4).

2. The water pump shaft with good sealing performance as claimed in claim 1, wherein: the adjustable magnetic sealing assembly (5) comprises a rotating block (52), a threaded hole (56) penetrating through the upper outer surface and the lower outer surface of the rotating block (52) is formed in the inner wall of the rotating block (52), a threaded groove (51) is formed in the middle of the outer surface of the rotating shaft (4), and the rotating block (52) and the rotating shaft (4) are fixed through the threaded hole (56) and the threaded groove (51) in a mutually matched mode.

3. The water pump shaft with good sealing performance as claimed in claim 2, wherein: the bottom fixed mounting of rotatory piece (52) surface has rather than the first annular connecting block (53) of the annular form of coaxial setting, the lower surface fixed mounting of first annular connecting block (53) has rather than the second annular magnet (61) of the annular form of coaxial setting, the diameter of second annular magnet (61) is less than the diameter of first annular connecting block (53).

4. The water pump shaft with good sealing performance as claimed in claim 2, wherein: the rotary block is characterized in that a first annular sealing ring (54) is arranged below the rotary block (52) and slidably mounted on the rotary shaft (4), a circular sliding cavity (57) which is coaxially arranged with the first annular sealing ring is formed in the middle of the upper surface of the first annular sealing ring (54), and the first annular sealing ring (54) is slidably connected with the rotary shaft (4) through the sliding cavity (57).

5. The water pump shaft with good sealing performance as claimed in claim 4, wherein: the upper surface of the first annular sealing ring (54) is fixedly provided with a first annular magnet (58) which is coaxially arranged and has an annular shape, and the mutual surfaces of the first annular magnet (58) and the second annular magnet (61) are homopolar.

6. The water pump shaft with good sealing performance as claimed in claim 4, wherein: and a second annular sealing ring (55) fixedly arranged on the rotating shaft (4) is arranged below the first annular sealing ring (54), and a fixing hole (59) coaxially arranged with the second annular sealing ring (55) is formed in the middle of the second annular sealing ring (55).

7. The water pump shaft with good sealing performance as claimed in claim 6, wherein: and the outer sides of the opposite side surfaces of the second annular sealing ring (55) and the first annular sealing ring (54) are fixedly provided with a group of annular extending blocks (60), and the annular extending blocks (60) are the same as the first annular sealing ring (54) and the second annular sealing ring (55) in material.

8. The water pump shaft with good sealing performance as claimed in claim 7, wherein: the annular extension blocks (60) are arranged in two groups, and the two groups of annular extension blocks (60) are symmetrically distributed.