CN213271016U - Water pump soft packing shaft seal device - Google Patents
Water pump soft packing shaft seal device Download PDFInfo
- Publication number
- CN213271016U CN213271016U CN202022085526.8U CN202022085526U CN213271016U CN 213271016 U CN213271016 U CN 213271016U CN 202022085526 U CN202022085526 U CN 202022085526U CN 213271016 U CN213271016 U CN 213271016U
- Authority
- CN
- China
- Prior art keywords
- water seal
- water
- seal ring
- ring body
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 121
- 238000012856 packing Methods 0.000 title claims abstract description 30
- 239000000945 filler Substances 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 abstract description 6
- 230000001050 lubricating effect Effects 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010425 asbestos Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Images
Landscapes
- Sealing Devices (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A water pump soft packing shaft seal device comprises a water seal ring body and a water seal pipe, wherein the water seal ring body is formed by adding two semicircular metal rings with H-shaped cross-sectional shapes between soft packing shaft seals, and six water outlet holes are formed in the surface of the water seal ring body; one end of the water seal pipe is connected with a water seal pipeline with a regulating valve, the other end of the water seal pipe is connected with a water seal ring body, and one end of the water seal ring body, which is far away from the water seal pipeline, is connected with a pump shaft; soft fillers are pressed into the two axial ends of the water seal ring body. In the concrete application, the regulating valve on the water seal pipeline regulates the water flow of the water seal, controls the axial leakage amount to be 40-60 drops/min, and when the pump shaft is normally sucked and discharged, water reaches the water seal ring and leaks out through the soft packing on the two sides of the water seal ring. The utility model has the advantages that: the problems that water cannot leak normally along the pump shaft and air sealing, cooling and lubricating packing cannot be formed under the condition that the pressure in the pump shaft is lower than or slightly higher than atmospheric pressure are effectively solved.
Description
Technical Field
The utility model relates to a sealing device specifically is a water pump wadding bearing seal device suitable for water pump shaft is sealed.
Background
At present, the well-known water pump soft packing shaft seal device is a rope-shaped object which is made of weaved materials such as plant fiber, artificial fiber, asbestos fiber and the like or non-ferrous metal as a base body and is assisted by impregnating materials or filling materials, and the common is asbestos soft seasoning with a square section. The soft packing shaft seal needs proper leakage, and liquid leaked along the pump shaft can play the roles of sealing air, cooling and lubricating packing, but if the pressure in the pump at the inner side of the soft packing shaft seal is smaller than or slightly higher than atmospheric pressure, the liquid in the pump cannot leak by means of pressure difference, and even the condition that air is sucked along the pump shaft from the outside can occur. Therefore, the design and research of a water pump soft packing shaft seal device can avoid the situation that liquid in a pump cannot leak out by pressure difference when the pressure in the pump at the inner side of the shaft seal is smaller than or slightly higher than the atmospheric pressure, and the situation is imperative.
Disclosure of Invention
To the problem that exists among the prior art, the utility model provides a take water pump wadding shaft seal device of water seal ring has solved wadding shaft seal device effectively and has been less than or be a bit more than under the condition of atmospheric pressure in the inboard pump of wadding, and liquid can't leak along the pump shaft by pressure differential in the pump appearing, along the problem of external suction air of pump shaft follow even.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a water pump soft packing shaft seal device comprises a water seal ring body and a water seal pipe, wherein the water seal ring body is formed by adding two semicircular metal rings with H-shaped cross-sectional appearances between soft packing shaft seals, and six water outlet holes are formed in the surface of the water seal ring body; one end of the water seal pipe is connected with a water seal pipeline with a regulating valve, the other end of the water seal pipe is connected with a water seal ring body, and one end of the water seal ring body, which is far away from the water seal pipeline, is connected with a pump shaft; soft fillers are pressed into the two axial ends of the water seal ring body.
Furthermore, the outer diameter of the water seal ring body is the same as the inner diameter of the shaft seal stuffing box, and the inner diameter of the water seal ring is slightly larger than the outer diameter of the pump shaft by 0.1-0.2mm, so that friction between the pump shaft and the water seal ring body is prevented.
After the structure is adopted, in the specific application, after the soft packing is pressed at the two axial ends of the water seal ring, water with certain pressure at the pump outlet is guided into the water seal ring between the shaft seals of the soft packing through the water seal pipeline, and the regulating valve arranged on the water seal pipeline is used for regulating the water flow of the water seal and controlling the axial leakage amount to be 40-60 drops/minute. Therefore, when the pump shaft is normally sucked and discharged, water reaches the water seal ring and leaks out through the soft packing on the two sides of the water seal ring, and the effects of sealing air, cooling and lubricating the packing are achieved.
The utility model has the advantages that: the pump has the advantages of simple structure and reasonable design, and can effectively solve the problems that water can not leak normally along the pump shaft and can not form air seal, cooling and lubricating packing under the condition that the pressure in the pump shaft is lower than or slightly higher than atmospheric pressure.
Drawings
Fig. 1 is a sectional view of the utility model in use.
Fig. 2 is a perspective view of the water seal ring of the present invention.
Description of reference numerals: 1. the water seal ring comprises a water seal ring body, 2, water outlet holes, 3, a water seal pipe, 4, a regulating valve, 5, a pump shaft, 6, soft packing, 7, a packing sleeve, 8, a pump shell, 9, a packing box pressing cover bolt, 10 and a packing box pressing cover.
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.
Example (b):
referring to fig. 1-2, the present invention provides a technical solution:
a water pump soft packing shaft seal device comprises a water seal ring body 1 and a water seal pipe 3, as shown in figure 2, the water seal ring body 1 is formed by attaching two semicircular metal rings with H-shaped cross-sectional appearances between soft packing shaft seals, and six water outlet holes 2 are formed in the surface of the water seal ring body 1; the water outlet hole 2 is used as a channel for water seal water flow.
As shown in fig. 2, one end of the water seal pipe 3 is connected with a water seal pipeline with a regulating valve 4, the other end is connected with the water seal ring body 1, and one end of the water seal ring body 1, which is far away from the water seal pipeline, is connected with a pump shaft 5; soft fillers 6 are pressed into the two axial ends of the water seal ring body. The water with certain pressure at the outlet of the pump shaft is guided into the water seal ring body between the shaft seals of the soft packing through the water seal pipe, and the water seal pipe is provided with a regulating valve for regulating the water flow of the water seal pipe and controlling the axial leakage amount to be 40-60 drops/min. Therefore, when the pump shaft is normally sucked and discharged, water reaches the water seal ring and leaks out through the soft packing on the two sides of the water seal ring, and the effects of sealing air, cooling and lubricating the packing are achieved.
Preferably, the outer diameter of the water seal ring body 1 is the same as the inner diameter of the shaft seal stuffing box, and the inner diameter of the water seal ring is slightly larger than the outer diameter of the pump shaft by 0.1-0.2 mm. The pump shaft and the water seal ring body are prevented from generating friction.
In the specific application, firstly three soft packings 6 are arranged on one side of a shaft seal stuffing box close to a stuffing sleeve 7, then a water seal ring 1 is arranged, the installation position of the water seal ring 1 corresponds to the position of a water seal pipe 3 penetrating through a pump shell 8, the three soft packings 6 are arranged on the other side of the water seal ring 1, then a stuffing gland bolt 9 is screwed in to press a stuffing box gland 10, the tightness of a water seal pipe regulating valve 4 and the stuffing box gland 10 is regulated, and the axial leakage is controlled to be 40-60 drops/minute. When the pump shaft is normally sucked and discharged, water in the water seal pipe can reach the water seal ring body, and leaks out through the water outlet holes on the surface of the water seal ring through the soft fillers on the two sides of the water seal ring body, so that the effects of sealing air, cooling and lubricating the fillers are achieved.
In fig. 2. Six water sealing holes (2) are arranged on the circumferential surface of the water sealing ring body and are used as a water sealing water flow channel. The outer diameter of the water seal ring body is the same as the inner diameter of the stuffing box, and the inner diameter of the water seal ring is slightly larger than the outer diameter of the pump shaft by 0.1-0.2mm, so that friction between the pump shaft and the water seal ring is prevented.
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 (2)
1. The utility model provides a water pump wadding shaft seal device, includes water seal ring body (1) and water seal pipe (3), its characterized in that: the water seal ring body (1) is composed of two semicircular metal rings with H-shaped cross-sectional shapes and additionally arranged between the shaft seals of the soft packing, and six water outlet holes (2) are formed in the surface of the water seal ring body (1); one end of the water seal pipe (3) is connected with a water seal pipeline with an adjusting valve (4), the other end of the water seal pipe is connected with the water seal ring body (1), and one end, far away from the water seal pipeline, of the water seal ring body (1) is connected with the pump shaft (5); soft fillers (6) are pressed into the two axial ends of the water seal ring body.
2. The water pump wad shaft seal device according to claim 1, wherein: the outer diameter of the water seal ring body (1) is the same as the inner diameter of the shaft seal stuffing box, and the inner diameter of the water seal ring is slightly larger than the outer diameter of the pump shaft by 0.1-0.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022085526.8U CN213271016U (en) | 2020-09-16 | 2020-09-16 | Water pump soft packing shaft seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022085526.8U CN213271016U (en) | 2020-09-16 | 2020-09-16 | Water pump soft packing shaft seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213271016U true CN213271016U (en) | 2021-05-25 |
Family
ID=75943737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022085526.8U Expired - Fee Related CN213271016U (en) | 2020-09-16 | 2020-09-16 | Water pump soft packing shaft seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213271016U (en) |
-
2020
- 2020-09-16 CN CN202022085526.8U patent/CN213271016U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210525 |