CN215256950U - Mechanical sealing device for large water pump - Google Patents
Mechanical sealing device for large water pump Download PDFInfo
- Publication number
- CN215256950U CN215256950U CN202121509000.6U CN202121509000U CN215256950U CN 215256950 U CN215256950 U CN 215256950U CN 202121509000 U CN202121509000 U CN 202121509000U CN 215256950 U CN215256950 U CN 215256950U
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- Prior art keywords
- sealing device
- fixedly connected
- block
- water pump
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 100
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000001125 extrusion Methods 0.000 claims abstract description 27
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008439 repair process Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004548 suspo-emulsion Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of large water pumps, and discloses a mechanical sealing device of a large water pump, which comprises a pump shaft, wherein the outer surface of the pump shaft is provided with a sealing device, the outer surface of a sliding block is fixedly connected with a movable block, a threaded sleeve is arranged inside the movable block in an inserting way and is in threaded connection with a threaded rod, the outer surface of the movable block is fixedly connected with a first telescopic rod, the outer surface of the first telescopic rod is fixedly connected with an extrusion block, the outer surface of the first telescopic rod is provided with a spring, the inner wall of the sealing device is fixedly connected with a second telescopic rod, one end of the second telescopic rod is fixedly connected with an arc-shaped fixed plate, the outer surface of the arc-shaped fixed plate is fixedly connected with a top block, the outer surface of the arc-shaped fixed plate is fixedly connected with a rubber pad, when the rubber pad is contacted with the pump shaft, the effect of secondary sealing can be achieved, the sealing performance of the device is improved, the phenomenon of leakage of the water pump is prevented, and the working efficiency of the water pump is increased.
Description
Technical Field
The utility model relates to a large-scale water pump technical field specifically is a large-scale water pump mechanical seal device.
Background
Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. Liquids, gas mixtures, and liquids containing suspended solids may also be transported. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like; the pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like.
The existing mechanical sealing device for the water pump has certain limitation when in use, if the sealing effect is not good, the leakage phenomenon of the water pump is easy to occur, so that the working efficiency of the water pump is reduced, and the existing mechanical sealing device is inconvenient to maintain and repair in later periods and is inconvenient to disassemble.
SUMMERY OF THE UTILITY MODEL
(solving) the technical problem
The utility model provides a to prior art not enough, the utility model provides a large-scale water pump mechanical seal device possesses that the leakproofness is good, and convenient advantage such as dismantlement has solved that the leakproofness is not good, the problem of inconvenient dismantlement.
(II) technical scheme
For realizing that above-mentioned leakproofness is good, the purpose of convenient dismantlement, the utility model provides a following technical scheme: a mechanical sealing device of a large water pump comprises a pump shaft, wherein a sealing device is arranged on the outer surface of the pump shaft, a sealing cover is arranged at one end of the sealing device, a sealing ring is arranged at one end of the sealing device, a threaded rod is arranged in the sealing device in an inserting manner, a sliding rail is fixedly connected in the sealing device, a sliding block is connected in the sliding manner in the sliding rail, a movable block is fixedly connected on the outer surface of the sliding block, a threaded sleeve is arranged in the movable block in an inserting manner, the threaded sleeve is in threaded connection with the threaded rod, a first telescopic rod is fixedly connected on the outer surface of the movable block, an extrusion block is fixedly connected on the outer surface of the first telescopic rod, a spring is arranged on the outer surface of the first telescopic rod, a second telescopic rod is fixedly connected on the inner wall of the sealing device, and an arc-shaped fixing plate is fixedly connected at one end of the second telescopic rod, the outer fixed surface of arc fixed plate is connected with the kicking block, the outer fixed surface of arc fixed plate is connected with the rubber pad.
Preferably, the outer surface of the sealing device is coated with an anti-corrosion coating, and the outer surface of the sealing device is in threaded connection with the sealing cover, so that the corrosion resistance of the sealing device is improved, and the service life of the device is prolonged.
Preferably, the outer surface of the sealing cover is fixedly connected with a sealing gasket, the specification of the sealing cover is set according to the specification of the sealing device, the sealing performance of the device is guaranteed, and the stable use of the device is guaranteed.
Preferably, the one end of threaded rod is through bearing frame and sealing device's inner wall swing joint, the one end fixedly connected with of threaded rod rotates and turns round, makes things convenient for operating personnel to rotate the threaded rod.
Preferably, the corners of the extrusion block and the ejector block are designed to be round corners, the outer surfaces of the extrusion block and the ejector block are lubricated, friction between the extrusion block and the ejector block is reduced, and the extrusion block is guaranteed to be capable of stably extruding the ejector block.
Preferably, the ejector block is arranged on the inner side of the arc-shaped fixing plate, the specification of the ejector block corresponds to that of the extrusion block, and stable contact between the ejector block and the extrusion block is ensured.
Preferably, the outer surface of the rubber pad is fixedly connected with the arc-shaped fixing plate through a waterproof adhesive, so that the stable connection between the rubber pad and the arc-shaped fixing plate is ensured.
(III) advantageous effects
Compared with the prior art, the utility model provides a large-scale water pump mechanical seal device possesses following beneficial effect:
(1) the mechanical sealing device of the large water pump is provided with the sealing ring and the rubber pad, when the device is used, the sealing device is sleeved on the outer surface of the pump shaft, the sealing ring is arranged in the sealing device and sleeved on the outer surface of the pump shaft, the sealing ring can achieve a first sealing effect on the device, by rotating the threaded rod, the movable block is in threaded connection with the threaded rod through the threaded sleeve, so when the threaded rod is rotated, the movable block can be driven to drive the extrusion block to move along the threaded rod, because the extrusion block is arranged on the outer surface of the movable block, the extrusion block can be extruded when the extrusion block moves, the arc-shaped fixed plate is enabled to approach the pump shaft, and because the rubber pad is fixedly connected to the outer surface of the arc-shaped fixed plate, the secondary sealing effect can be achieved when the rubber pad is in contact with the pump shaft, the sealing performance of the device is improved, the phenomenon of leakage of the water pump is prevented, and the working efficiency of the water pump is increased.
(2) This large-scale water pump mechanical seal device through setting up sealing device and sealed lid, because sealed lid and sealing device threaded connection, so when needs carry out the maintenance in later stage and repair to sealing device, only need anticlockwise rotate sealed lid, impel sealed lid and sealing device separation, make things convenient for the later stage to maintain and repair sealing device.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of the structure a in fig. 1 according to the present invention;
fig. 3 is a front view of the present invention.
In the figure: 1. a pump shaft; 2. a sealing device; 3. a sealing cover; 4. a seal ring; 5. a threaded rod; 6. a slide rail; 7. a slider; 8. a movable block; 9. a threaded bushing; 10. a first telescopic rod; 11. extruding the block; 12. a spring; 13. a second telescopic rod; 14. an arc-shaped fixing plate; 15. a top block; 16. and (7) a rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a mechanical sealing device for a large water pump comprises a pump shaft 1, a sealing device 2 is arranged on the outer surface of the pump shaft 1, a sealing cover 3 is arranged at one end of the sealing device 2, a sealing ring 4 is arranged at one end of the sealing device 2, a threaded rod 5 is inserted into the sealing device 2, a sliding rail 6 is fixedly connected to the inside of the sealing device 2, a sliding block 7 is slidably connected to the inside of the sliding rail 6, a movable block 8 is fixedly connected to the outer surface of the sliding block 7, a threaded sleeve 9 is inserted into the movable block 8, the threaded sleeve 9 is in threaded connection with the threaded rod 5, a first telescopic rod 10 is fixedly connected to the outer surface of the movable block 8, an extrusion block 11 is fixedly connected to the outer surface of the first telescopic rod 10, a spring 12 is arranged on the outer surface of the first telescopic rod 10, a second telescopic rod 13 is fixedly connected to the inner wall of the sealing device 2, and an arc-shaped fixing plate 14 is fixedly connected to one end of the second telescopic rod 13, the outer surface of the arc-shaped fixing plate 14 is fixedly connected with a top block 15, and the outer surface of the arc-shaped fixing plate 14 is fixedly connected with a rubber pad 16.
Furthermore, the outer surface of the sealing device 2 is coated with an anti-corrosion coating, and the outer surface of the sealing device 2 is in threaded connection with the sealing cover 3, so that the corrosion resistance of the sealing device 2 is improved, and the service life of the device is prolonged.
Further, the outer surface of the sealing cover 3 is fixedly connected with a sealing gasket, the specification of the sealing cover 3 is set according to the specification of the sealing device 2, the sealing performance of the device is guaranteed, and the stable use of the device is guaranteed.
Further, the one end of threaded rod 5 is passed through bearing frame and sealing device 2's inner wall swing joint, and the one end fixedly connected with of threaded rod 5 is turned round, makes things convenient for operating personnel to rotate threaded rod 5.
Further, the corners of the extrusion block 11 and the top block 15 are designed to be round corners, the outer surfaces of the extrusion block 11 and the top block 15 are lubricated, friction between the extrusion block 11 and the top block 15 is reduced, and the extrusion block 11 is guaranteed to be capable of stably extruding the top block 15.
Further, the top block 15 is disposed inside the arc-shaped fixing plate 14, and the size of the top block 15 corresponds to the size of the extrusion block 11, thereby ensuring stable contact between the top block 15 and the extrusion block 11.
Further, the outer surface of rubber pad 16 is fixedly connected with arc-shaped fixing plate 14 through waterproof adhesive, so as to ensure stable connection between rubber pad 16 and arc-shaped fixing plate 14.
To sum up, the mechanical sealing device of the large water pump is provided with the sealing ring 4 and the rubber pad 16, when the device is used, the sealing device 2 is sleeved on the outer surface of the pump shaft 1, the sealing ring 4 is arranged inside the sealing device 2, the sealing ring 4 is sleeved on the outer surface of the pump shaft 1, the sealing ring 4 can achieve the first sealing effect on the device, by rotating the threaded rod 5, the movable block 8 is in threaded connection with the threaded rod 5 through the threaded sleeve 9, when the threaded rod 5 is rotated, the movable block 8 can be driven to drive the extrusion block 11 to move along the threaded rod 5, because the outer surface of the movable block 8 is provided with the extrusion block 11, when the extrusion block 11 moves, the extrusion block 15 can be extruded, so that the arc-shaped fixed plate 14 approaches the pump shaft 1, and because the rubber pad 16 is fixedly connected on the outer surface of the arc-shaped fixed plate 14, so when rubber pad 16 and pump shaft 1 contact, can reach the effect of secondary seal, improve the leakproofness of device, prevent that the phenomenon of water pump leakage from appearing, increase water pump work efficiency, through setting up sealing device 2 and sealed lid 3, because sealed lid 3 and sealing device 2 threaded connection, so when needs carry out the maintenance in later stage and repair to sealing device 2, only need anticlockwise rotate sealed lid 3, make sealed lid 3 and sealing device 2 separation, make things convenient for the later stage to maintain and repair sealing device 2.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means matured in the prior art, the machines, the parts and the equipment adopt the conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, no specific description is provided here, meanwhile, the electric elements appearing in the specification are electrically connected with the external main controller and the mains supply, the peripheral controller mentioned in the specification can play a control role for the electric elements mentioned in the specification, and the peripheral controller is the conventional known equipment.
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 (7)
1. The utility model provides a large-scale water pump mechanical seal device, includes pump shaft (1), its characterized in that: the sealing device is characterized in that a sealing device (2) is arranged on the outer surface of the pump shaft (1), a sealing cover (3) is arranged at one end of the sealing device (2), a sealing ring (4) is arranged at one end of the sealing device (2), a threaded rod (5) is arranged inside the sealing device (2) in an inserting manner, a sliding rail (6) is fixedly connected inside the sealing device (2), a sliding block (7) is slidably connected inside the sliding rail (6), a movable block (8) is fixedly connected on the outer surface of the sliding block (7), a threaded sleeve (9) is arranged inside the movable block (8) in an inserting manner, the threaded sleeve (9) is in threaded connection with the threaded rod (5), a first telescopic rod (10) is fixedly connected on the outer surface of the movable block (8), an extrusion block (11) is fixedly connected on the outer surface of the first telescopic rod (10), and a spring (12) is arranged on the outer surface of the first telescopic rod (10), the inner wall fixedly connected with second telescopic link (13) of sealing device (2), the one end fixedly connected with arc fixed plate (14) of second telescopic link (13), the external fixed surface of arc fixed plate (14) is connected with kicking block (15), the external fixed surface of arc fixed plate (14) is connected with rubber pad (16).
2. The mechanical sealing device for the large water pump according to claim 1, wherein: the outer surface of the sealing device (2) is coated with an anti-corrosion coating, and the outer surface of the sealing device (2) is in threaded connection with the sealing cover (3).
3. The mechanical sealing device for the large water pump according to claim 1, wherein: the outer surface of the sealing cover (3) is fixedly connected with a sealing gasket, and the specification of the sealing cover (3) is set according to the specification of the sealing device (2).
4. The mechanical sealing device for the large water pump according to claim 1, wherein: one end of the threaded rod (5) is movably connected with the inner wall of the sealing device (2) through a bearing seat, and one end of the threaded rod (5) is fixedly connected with a rotating knob.
5. The mechanical sealing device for the large water pump according to claim 1, wherein: the corner of the extrusion block (11) and the corner of the ejector block (15) are designed to be round corners, and the outer surfaces of the extrusion block (11) and the ejector block (15) are lubricated.
6. The mechanical sealing device for the large water pump according to claim 1, wherein: the ejector block (15) is arranged on the inner side of the arc-shaped fixing plate (14), and the specification of the ejector block (15) corresponds to that of the extrusion block (11).
7. The mechanical sealing device for the large water pump according to claim 1, wherein: the outer surface of the rubber pad (16) is fixedly connected with the arc-shaped fixing plate (14) through a waterproof adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121509000.6U CN215256950U (en) | 2021-07-02 | 2021-07-02 | Mechanical sealing device for large water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121509000.6U CN215256950U (en) | 2021-07-02 | 2021-07-02 | Mechanical sealing device for large water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215256950U true CN215256950U (en) | 2021-12-21 |
Family
ID=79486784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121509000.6U Expired - Fee Related CN215256950U (en) | 2021-07-02 | 2021-07-02 | Mechanical sealing device for large water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215256950U (en) |
-
2021
- 2021-07-02 CN CN202121509000.6U patent/CN215256950U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |