CN220378527U - High-sealing water pump shaft connecting bearing - Google Patents
High-sealing water pump shaft connecting bearing Download PDFInfo
- Publication number
- CN220378527U CN220378527U CN202321695698.4U CN202321695698U CN220378527U CN 220378527 U CN220378527 U CN 220378527U CN 202321695698 U CN202321695698 U CN 202321695698U CN 220378527 U CN220378527 U CN 220378527U
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- Prior art keywords
- water pump
- sealing
- water
- pump shaft
- rings
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 107
- 238000007789 sealing Methods 0.000 title claims abstract description 56
- 230000002093 peripheral effect Effects 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a high-sealing water pump shaft connecting bearing, which comprises a water pump shaft, wherein the water pump shaft is provided with a shaft connecting bearing, the water pump shaft comprises an impeller shaft matched with a water seal ring of an external water pump, an operating cavity is formed between the outer peripheral wall of the impeller shaft and the inner peripheral wall of the water seal ring, a thread groove matched with the external water seal ring is formed on the impeller shaft in the circumferential direction, a sealing piece for sealing the operating cavity, a waterproof piece for preventing a large amount of external water from invading the operating cavity and an anti-slip piece for preventing the slipping phenomenon between the impeller shaft and the external water seal during the operation of the water pump shaft are arranged on the impeller shaft.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to a high-sealing water pump shaft connecting bearing.
Background
In the prior art, the impeller shaft end of the water pump shaft is usually in interference fit with an external water seal ring, and the sealing effect between the impeller shaft end and the external water seal ring is realized through an elastic element, but under special working conditions, when the water pressure is too high, the bearing easily causes insufficient interference between the impeller shaft and the water seal ring under high-speed operation, so that the slippage phenomenon easily occurs between the impeller shaft and the water seal ring, and further the sealing failure is caused.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a high-sealing water pump shaft connecting bearing, which aims at solving the problems that the sealing failure and slipping are easy to appear due to the fact that the water pump shaft connecting bearing and a water seal ring are not tightly matched in the prior art.
In order to achieve the above purpose, the utility model provides a high-sealing water pump shaft connecting bearing, which comprises a water pump shaft, wherein the water pump shaft is provided with a shaft connecting bearing, the water pump shaft comprises an impeller shaft matched with a water seal ring of an external water pump, an operation cavity is formed between the outer peripheral wall of the impeller shaft and the inner peripheral wall of the water seal ring, a thread groove matched with the external water seal ring is formed on the impeller shaft in a circumferential direction, and the impeller shaft is provided with a sealing piece for sealing the operation cavity, a waterproof piece for preventing a large amount of external water from invading the operation cavity and an anti-skid piece for preventing a slipping phenomenon between the impeller shaft and the external water seal during operation of the water pump.
The technical scheme is beneficial in that: the seal ring is provided with a thread groove, the thread groove is arranged on the part of the seal ring, the connection strength between the seal ring and the thread groove is improved, the tightness of the operation cavity is improved through the thread groove, the seal member is arranged in the seal operation cavity, the tightness is improved, the water-proof member is arranged to prevent the water from invading the operation cavity from the outside to cause slipping between the seal ring and the impeller shaft, the impeller shaft is prevented from being rusted due to the water-proof member, the anti-slip member is further arranged to improve the anti-slip function of the impeller shaft, the slipping between the impeller shaft and the seal ring is prevented from causing failure of the linkage between an external tool and the water pump shaft, and accidents are further avoided.
The utility model further provides that: the anti-slip ring is arranged in the anti-slip groove, a plurality of matching grooves are formed in the bottom wall of the anti-slip groove along the axial direction of the impeller shaft in the circumferential direction, miniature springs are arranged in the matching grooves, each miniature spring is made of a shape memory alloy material, each miniature spring is provided with a first form in a first temperature range, each miniature spring is provided with a second form in a second temperature range, each miniature spring is arranged in the anti-slip groove in the first form, each miniature spring stretches and buckles on the inner peripheral wall of the anti-slip ring in the second form and drives the anti-slip ring to locally bulge, and the outer peripheral wall surface of the anti-slip ring is an abutting surface for locally abutting with the inner peripheral wall surface of the external water seal ring.
The technical scheme is beneficial in that: when the bearing runs, the internal temperature of the bearing can be gradually increased to more than 35 ℃, the temperature range is a second temperature range, at the moment, a plurality of micro springs start to deform and stretch, the micro springs stretch to enable the micro springs to expose the matching grooves and push the anti-slip ring to locally bulge, so that the anti-slip ring can be buckled on the inner peripheral wall of the water seal ring, the friction moment between the water seal ring and the anti-slip ring is improved, the phenomenon of slipping between the water seal ring and the impeller shaft is avoided, and the phase change improves the tightness; when the bearing stops running, the internal temperature of the bearing can gradually decrease until the temperature is reduced to below 35 ℃, and the temperature range is the first temperature range, so that the miniature spring deforms and is retracted into the matching groove, and the miniature spring does not locally jack up the anti-slip ring any more, thereby facilitating later maintenance and disassembly and further improving the disassembly and assembly efficiency.
The utility model further provides that: the anti-slip ring is made of high wear-resistant resin materials.
The technical scheme is beneficial in that: the anti-skid ring in the technology is composed of high wear-resistant resin, so that the wear-resistant efficiency is high, the service life is prolonged, and the anti-skid property of the anti-skid ring is improved.
The utility model further provides that: the impeller shaft is provided with two sealing grooves in the circumferential direction, the two sealing grooves are oppositely arranged and are positioned on two sides of the thread groove, the sealing piece comprises two sealing rings, the two sealing rings are respectively arranged in the two sealing grooves, the peripheral wall surface of each sealing ring is a sealing surface which is used for being contacted with the inner peripheral wall of an external water seal ring, and the sealing rings are made of semi-rigid rubber materials.
The technical scheme is beneficial in that: the sealing groove is arranged, so that the sealing ring can be tightly attached to the inner peripheral wall of the water seal ring, the sealing performance between the impeller shaft and the water seal ring is improved, and meanwhile, the sealing ring is made of semi-rigid rubber materials, so that the sealing ring cannot be deformed easily to cause sealing failure.
The utility model further provides that: the waterproof piece comprises two water absorption rings which are oppositely arranged, the two water absorption rings are oppositely arranged and are positioned on two sides of the thread groove, and the water absorption rings are made of water absorption expansion rubber materials.
The technical scheme is beneficial in that: the water absorbing ring is made of the water absorbing expansion rubber material in the technology, so that when a large amount of outside water is invaded into the operation cavity, the water absorbing ring can absorb a large amount of water and expand, the tightness between the water sealing ring and the impeller shaft is greatly improved, the phenomenon that slipping can not occur between the water sealing ring and the impeller shaft when the impeller shaft is operated at a high speed, so that the operation failure of external tools is avoided, accidents are avoided, and meanwhile, operators can replace the water absorbing ring in time after the water absorbing ring expands, so that the follow-up normal sealing and water prevention can be ensured.
The utility model further provides that: two stop rings are oppositely arranged on the impeller shaft, the two stop rings are respectively arranged on the outer sides of the two water absorption rings, and the inner side walls of the two stop rings are respectively in butt fit with the outer side walls of the adjacent water absorption rings.
The technical scheme is beneficial in that: the stop ring is used for preventing the sealing failure caused by the movement of the water absorbing ring, and can guide and guide the water absorbing expansion direction of the water absorbing ring, so that the sealing performance is improved.
Drawings
FIG. 1 is a three-dimensional view of the present utility model;
fig. 2 is a cross-sectional view of the present utility model in use.
Detailed Description
The utility model provides a high-sealing water pump shaft 1 connecting bearing, which comprises a water pump shaft 1, wherein a shaft connecting bearing 11 is arranged on the water pump shaft 1, the water pump shaft 1 comprises an impeller shaft 2 which is used for being matched with a water seal ring of an external water pump, an operating cavity 21 is formed between the outer peripheral wall of the impeller shaft 2 and the inner peripheral wall of the water seal ring, a thread groove 22 which is used for being matched with the external water seal ring in a threaded manner is formed on the impeller shaft 2 in a circumferential direction, a sealing part which is used for sealing the operating cavity 21, a waterproof part which is used for preventing a large amount of external water from invading the operating cavity 21 and an anti-skidding part which is used for preventing slipping between the impeller shaft 2 and the external water seal during the operation of the water pump shaft 1 are arranged on the impeller shaft 2, an anti-skidding groove 23 is formed on the outer peripheral wall of the impeller shaft 2 in a circumferential direction, a plurality of matching grooves 31 are formed on the bottom wall of the anti-skidding groove 23 in a circumferential direction along the axis direction of the impeller shaft 2, each matching groove 31 is internally provided with a micro spring 32, each micro spring 32 is made of a shape memory alloy material, each micro spring 32 has a first shape in a first temperature range, each micro spring 32 has a second shape in a second temperature range, each micro spring 32 is arranged in each anti-skid groove 23 in the first shape, each micro spring 32 stretches and buckles on the inner peripheral wall of each anti-skid ring 3 in the second shape and drives the corresponding anti-skid ring 3 to locally bulge, the outer peripheral wall surface of each anti-skid ring 3 is an abutting surface for locally abutting with the inner peripheral wall surface of an external water seal ring, each anti-skid ring 3 is made of a high wear-resistant resin material, each impeller shaft 2 is provided with two sealing grooves 4 in the circumferential direction, each sealing groove 4 is oppositely arranged and is positioned on two sides of each threaded groove 22, each sealing piece comprises two sealing rings 41, the two sealing rings 41 are respectively arranged in the two sealing grooves 4, the peripheral wall surface of the sealing ring 41 is a sealing surface for contacting with the inner peripheral wall of an external water seal ring, the sealing ring 41 is made of semi-rigid rubber materials, the waterproof piece comprises two water absorption rings 5 which are oppositely arranged, the two water absorption rings 5 are oppositely arranged and reside on two sides of the thread groove 22, the water absorption rings 5 are made of water absorption expansion rubber materials, two stop rings 6 are oppositely arranged on the impeller shaft 2, the two stop rings 6 reside on the outer sides of the two water absorption rings 5 respectively, and the inner side walls of the two stop rings 6 are in butt fit with the outer side walls of the water absorption rings 5 which are respectively adjacent.
The outside water seal ring described in the above technology is denoted by 7 in the drawings of the specification.
While the basic principles and main features of the present utility model and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high sealed water pump shaft connecting bearing which characterized in that: the water pump comprises a water pump shaft, wherein a shaft connecting bearing is arranged on the water pump shaft, the water pump shaft comprises an impeller shaft matched with a water seal ring of an external water pump, an operation cavity is formed between the outer peripheral wall of the impeller shaft and the inner peripheral wall of the water seal ring, a thread groove matched with the thread of the external water seal ring is formed in the circumferential direction of the impeller shaft, a sealing piece for sealing the operation cavity, a waterproof piece for preventing a large amount of external water stains from invading the operation cavity and an anti-slip piece for preventing a slipping phenomenon between the impeller shaft and the external water seal during operation of the water pump shaft are arranged on the impeller shaft.
2. The high seal water pump shaft journal bearing of claim 1, wherein: the anti-slip ring is arranged in the anti-slip groove, a plurality of matching grooves are formed in the bottom wall of the anti-slip groove along the axial direction of the impeller shaft in the circumferential direction, miniature springs are arranged in the matching grooves, each miniature spring is made of a shape memory alloy material, each miniature spring is provided with a first form in a first temperature range, each miniature spring is provided with a second form in a second temperature range, each miniature spring is arranged in the anti-slip groove in the first form, each miniature spring stretches and buckles on the inner peripheral wall of the anti-slip ring in the second form and drives the anti-slip ring to locally bulge, and the outer peripheral wall surface of the anti-slip ring is an abutting surface for locally abutting with the inner peripheral wall surface of the external water seal ring.
3. The high seal water pump shaft journal bearing of claim 2, wherein: the anti-slip ring is made of high wear-resistant resin materials.
4. The high seal water pump shaft journal bearing of claim 1, wherein: the impeller shaft is provided with two sealing grooves in the circumferential direction, the two sealing grooves are oppositely arranged and are positioned on two sides of the thread groove, the sealing piece comprises two sealing rings, the two sealing rings are respectively arranged in the two sealing grooves, the peripheral wall surface of each sealing ring is a sealing surface which is used for being contacted with the inner peripheral wall of an external water seal ring, and the sealing rings are made of semi-rigid rubber materials.
5. The high seal water pump shaft journal bearing of claim 1, wherein: the waterproof piece comprises two water absorption rings which are oppositely arranged, the two water absorption rings are oppositely arranged and are positioned on two sides of the thread groove, and the water absorption rings are made of water absorption expansion rubber materials.
6. The high seal water pump shaft journal bearing of claim 5, wherein: two stop rings are oppositely arranged on the impeller shaft, the two stop rings are respectively arranged on the outer sides of the two water absorption rings, and the inner side walls of the two stop rings are respectively in butt fit with the outer side walls of the adjacent water absorption rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321695698.4U CN220378527U (en) | 2023-06-29 | 2023-06-29 | High-sealing water pump shaft connecting bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321695698.4U CN220378527U (en) | 2023-06-29 | 2023-06-29 | High-sealing water pump shaft connecting bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378527U true CN220378527U (en) | 2024-01-23 |
Family
ID=89561539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321695698.4U Active CN220378527U (en) | 2023-06-29 | 2023-06-29 | High-sealing water pump shaft connecting bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378527U (en) |
-
2023
- 2023-06-29 CN CN202321695698.4U patent/CN220378527U/en active Active
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