CN219840824U - Mechanical sealing structure of particle-resistant water pump - Google Patents
Mechanical sealing structure of particle-resistant water pump Download PDFInfo
- Publication number
- CN219840824U CN219840824U CN202321092020.7U CN202321092020U CN219840824U CN 219840824 U CN219840824 U CN 219840824U CN 202321092020 U CN202321092020 U CN 202321092020U CN 219840824 U CN219840824 U CN 219840824U
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- Prior art keywords
- annular
- water pump
- movable ring
- groove
- seat
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000007789 sealing Methods 0.000 title claims abstract description 30
- 239000002245 particle Substances 0.000 title abstract description 12
- 239000008187 granular material Substances 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a particle-resistant water pump mechanical sealing structure which comprises a water pump shaft, wherein the mechanical sealing structure comprises a stationary ring, a movable ring and a movable ring seat which are all sleeved on the water pump shaft, an annular connecting groove is formed in one end, close to the movable ring, of the movable ring seat, the movable ring is inserted into the connecting groove, a spring is sleeved on the water pump shaft, positioned on the right side of the movable ring seat, and is abutted against the right end of the movable ring seat, a fixing seat fixedly installed with the water pump shaft is arranged on the right side of the spring, and the other end of the spring is connected with the fixing seat. According to the utility model, the first annular strip and the second annular strip are arranged on the cross section of the connection between the movable ring and the clamping groove, and the first annular groove and the second annular groove are arranged at the bottom of the clamping groove of the movable ring seat, so that the first clamping strip and the second clamping strip are correspondingly clamped in the first annular groove and the second annular groove respectively to increase the contact area of the first clamping strip and the second clamping strip, the greater the extrusion is carried out between the movable ring and the movable ring seat, the higher the sealing performance is, and the service life of the sealing structure is prolonged.
Description
Technical Field
The utility model relates to the technical field of water pumps, in particular to a mechanical sealing structure of a particle-resistant water pump.
Background
The mechanical seal is a shaft seal device of a rotary machine, such as a centrifugal pump, a centrifugal machine, a reaction kettle, a compressor and the like. Since the rotating shaft extends inside and outside the apparatus so that there is a circumferential gap between the shaft and the apparatus through which the medium in the apparatus leaks outwards, and if the pressure in the apparatus is lower than the atmospheric pressure, air leaks into the apparatus, it is necessary to have a shaft seal device to prevent leakage. Shaft seals are of many types, and mechanical seals are the most important shaft sealing means in these devices because of their advantages such as small leakage and long life.
In a mechanical sealing structure commonly used in the field of hot water pumps, a sealing grinding surface is usually formed by matching a graphite ring with a spring ring, and the matching mode can well run when no particles exist in a medium, but hot water pipelines in many areas can contain particles with different degrees, and due to poor wear resistance of graphite, the end face of the graphite ring can be quickly worn in the working condition of more particles, so that the mechanical sealing is invalid.
Disclosure of Invention
The utility model aims to provide a mechanical sealing structure of a particle-resistant water pump, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a resistant granule water pump mechanical seal structure, includes the water pump shaft, mechanical seal structure is including all overlapping to establish epaxial quiet ring of water pump, moving ring and moving ring seat, the annular spread groove has been seted up on the one end that the moving ring seat is close to the moving ring, the moving ring is pegged graft in the spread groove, be located moving ring seat right side cover on the water pump shaft and be equipped with the spring, the spring supports the right-hand member that leans on the moving ring seat, the water pump shaft is located the right side of spring and is equipped with the fixing base with water pump shaft fixed mounting, the spring other end is connected with the fixing base.
As a further preferable mode of the technical scheme, the bottom of the connecting groove is provided with two first annular grooves and a second annular groove, the second annular groove is positioned between the two first annular grooves, and the diameter opening of the second annular groove is larger than that of the first annular groove.
As a further preferable mode of the technical scheme, the movable ring is inserted into the bottom surface of one end of the connecting groove, two first annular strips and one second annular strip are arranged on the bottom surface of one end of the connecting groove, the second annular strip is located between the two first annular strips, the first annular strips are correspondingly inserted into the first annular grooves, and the second annular strips are correspondingly inserted into the second annular grooves.
As a further preferable mode of the technical scheme, lubricating oil is arranged between the first annular strip and the first annular groove and between the gap where the second annular strip and the second annular groove are connected.
As a further preferable mode of the technical scheme, a circle of groove is formed in the outer wall of the movable ring, and a circle of sealing rubber ring which is completely attached to the groove hole is arranged in the groove.
As a further preferable mode of the technical scheme, a fixed groove is formed in one end, close to the movable ring seat, of the fixed seat, and one end of the spring is fixedly connected in the fixed groove.
The utility model provides a mechanical sealing structure of a particle-resistant water pump, which has the following beneficial effects:
according to the utility model, the first annular strip and the second annular strip are arranged on the cross section of the connection between the movable ring and the clamping groove, and the first annular groove and the second annular groove are arranged at the bottom of the clamping groove of the movable ring seat, so that the first clamping strip and the second clamping strip are correspondingly clamped in the first annular groove and the second annular groove respectively to increase the contact area between the first annular groove and the second annular groove, and the larger the extrusion force received between the movable ring 3 and the movable ring seat 4 is, the higher the tightness of the sealing structure is, and the service life of the sealing structure is prolonged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a side cross-sectional view of the overall structure of the present utility model;
fig. 3 is an enlarged schematic view of the structure at a in the present utility model.
In the figure: 1. a water pump shaft; 2. a stationary ring; 3. a moving ring; 4. a movable ring seat; 5. a fixing seat; 6. a spring; 7. lubricating oil; 31. sealing rubber rings; 32. a first annular strip; 33. a second annular strip; 41. a connecting groove; 42. a first annular groove; 43. a second annular groove; 51. a fixing groove.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The utility model provides the technical scheme that: the utility model provides a resistant granule water pump mechanical seal structure, as shown in fig. 1 and 2, is a resistant granule water pump mechanical seal structure's overall structure schematic diagram, including water pump shaft 1, mechanical seal structure is including all overlapping still ring 2, moving ring 3 and moving ring seat 4 of establishing on water pump shaft 1, the rotatable butt in circumference of one end of still ring 2 and moving ring 3 forms sealed wear surface, for further promotion sealed wear surface's resistant granule performance, moving ring 3 and still ring 2 are the silicon carbide material that wear resistance is stronger, annular spread groove 41 has been seted up on moving ring seat 4 is close to moving ring 3's one end, moving ring 3 pegging graft in spread groove 41, be located moving ring seat 4 right side cover on water pump shaft 1 and be equipped with spring 6, spring 6 is supported and is leaned on moving ring seat 4's on the right-hand member, water pump shaft 1 is located spring 6's right side and is equipped with fixing base 5 with water pump shaft 1 fixed mounting, the spring 6 other end is connected with fixing base 5, spring 6 one end is supported and is pressed on fixing base 5, the other end is supported and is pressed on moving ring seat 4, is set up between stable seat and moving ring 4.
In this embodiment, specific: as shown in fig. 3, an enlarged schematic view of the structure at the side sectional view a of the mechanical seal structure is shown, two first annular grooves 42 and one second annular groove 43 are formed at the bottom of the connecting groove 41, the second annular groove 43 is located between the two first annular grooves 42, and the diameter of the second annular groove 43 is larger than that of the first annular groove 42.
In this embodiment, specific: the movable ring 3 is inserted into one end bottom surface of the connecting groove 41 and is provided with two first annular strips 32 and one second annular strip 33, the second annular strip 33 is positioned between the two first annular strips 32, the first annular strips 32 are correspondingly inserted into the first annular grooves 42, the second annular strips 33 are correspondingly inserted into the second annular grooves 43, the first annular strips 32 are clamped into the first annular grooves 42, the second annular strips 33 are clamped into the second annular grooves 43, the contact area between the second annular strips is increased, and therefore the larger the extrusion force is received between the movable ring 3 and the movable ring seat 4, the higher the tightness of the sealing structure is, and the service life of the sealing structure is prolonged.
In this embodiment, specific: lubricating oil 7 is arranged between the gaps between the first annular strip 32 and the first annular groove 42 and between the second annular strip 33 and the second annular groove 43, so that the lubricating oil 7 ensures stronger wear resistance between the movable ring 3 and the movable ring seat 4, and the tightness of the joint of the movable ring 3 and the movable ring seat 4 is improved.
In this embodiment, specific: a circle of groove is formed in the outer wall of the movable ring 3, a circle of sealing rubber ring 31 which is completely attached to the groove hole is arranged in the groove, and the sealing rubber ring 31 can well seal a gap between the movable ring 3 and the connecting groove 41.
In this embodiment, specific: the fixed seat 5 is provided with a fixed groove 51 at one end close to the movable ring seat 4, and one end of the spring 6 is fixedly connected in the fixed groove 51.
In summary, the specific application method of the mechanical sealing structure of the particle-resistant water pump disclosed by the utility model is as follows:
when the mechanical sealing structure of the particle-resistant water pump is used, the mechanical sealing structure comprises a stationary ring 2, a movable ring 3 and a movable ring seat 4 which are sleeved on a water pump shaft 1, one end of the stationary ring 2 and one end of the movable ring 3 are rotatably abutted in the circumferential direction to form a sealing grinding surface, the movable ring 3 and the stationary ring 2 are made of silicon carbide with stronger wear resistance for further improving the particle resistance of the sealing grinding surface, the first annular groove 42 is clamped with the first annular groove 32, the contact area between the second annular groove 33 is increased by clamping with the second annular groove 43, and accordingly the larger extrusion force is received between the movable ring 3 and the movable ring seat 4, the higher the sealing performance is, and the service life of the sealing structure is prolonged.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a resistant granule water pump mechanical seal structure, includes water pump shaft (1), its characterized in that: the mechanical sealing structure comprises a stationary ring (2), a movable ring (3) and a movable ring seat (4) which are all sleeved on a water pump shaft (1), wherein an annular connecting groove (41) is formed in one end, close to the movable ring (3), of the movable ring seat (4), the movable ring (3) is inserted into the connecting groove (41), a spring (6) is sleeved on the right side of the movable ring seat (4) on the water pump shaft (1), the spring (6) abuts against the right end of the movable ring seat (4), a fixing seat (5) fixedly installed with the water pump shaft (1) is arranged on the right side of the spring (6) on the water pump shaft (1), and the other end of the spring (6) is connected with the fixing seat (5).
2. The particulate resistant water pump mechanical seal structure of claim 1, wherein: two first annular grooves (42) and a second annular groove (43) are formed in the bottom of the connecting groove (41), the second annular groove (43) is located between the two first annular grooves (42), and the diameter opening of the second annular groove (43) is larger than that of the first annular groove (42).
3. The particulate resistant water pump mechanical seal structure of claim 2, wherein: the movable ring (3) is inserted into one end bottom surface of the connecting groove (41) and is provided with two first annular strips (32) and one second annular strip (33), the second annular strip (33) is positioned between the two first annular strips (32), the first annular strips (32) are correspondingly inserted into the first annular grooves (42), and the second annular strips (33) are correspondingly inserted into the second annular grooves (43).
4. A particulate resistant water pump mechanical seal according to claim 3, wherein: lubricating oil (7) is arranged between the gaps between the first annular strip (32) and the first annular groove (42) and between the gaps between the second annular strip (33) and the second annular groove (43).
5. The mechanical seal structure of a particulate resistant water pump of claim 4, wherein: a circle of groove is formed in the outer wall of the movable ring (3), and a circle of sealing rubber ring (31) which is completely attached to the groove hole is arranged in the groove.
6. A particulate resistant water pump mechanical seal according to claim 3, wherein: one end of the fixed seat (5) close to the movable ring seat (4) is provided with a fixed groove (51), and one end of the spring (6) is fixedly connected in the fixed groove (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321092020.7U CN219840824U (en) | 2023-05-09 | 2023-05-09 | Mechanical sealing structure of particle-resistant water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321092020.7U CN219840824U (en) | 2023-05-09 | 2023-05-09 | Mechanical sealing structure of particle-resistant water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219840824U true CN219840824U (en) | 2023-10-17 |
Family
ID=88298466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321092020.7U Active CN219840824U (en) | 2023-05-09 | 2023-05-09 | Mechanical sealing structure of particle-resistant water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219840824U (en) |
-
2023
- 2023-05-09 CN CN202321092020.7U patent/CN219840824U/en active Active
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