CN213540820U - Shaft sealing device of wastewater treatment water pump - Google Patents
Shaft sealing device of wastewater treatment water pump Download PDFInfo
- Publication number
- CN213540820U CN213540820U CN202022436233.XU CN202022436233U CN213540820U CN 213540820 U CN213540820 U CN 213540820U CN 202022436233 U CN202022436233 U CN 202022436233U CN 213540820 U CN213540820 U CN 213540820U
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- Prior art keywords
- ring
- static
- sleeved
- flange
- water pump
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 title claims abstract description 16
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 14
- 230000003068 static Effects 0.000 claims abstract description 37
- 230000037250 Clearance Effects 0.000 claims description 4
- 230000035512 clearance Effects 0.000 claims description 4
- 230000004301 light adaptation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000000576 supplementary Effects 0.000 description 1
Abstract
The utility model discloses an axle sealing device of a wastewater treatment water pump, which comprises an axle sleeve, a movable ring, a static ring, a flange, a connecting ring and a compensation mechanism, wherein the axle sleeve is sleeved on a main shaft of the water pump, the connecting ring is sleeved on the axle sleeve, the movable ring is sleeved on the connecting ring, the static ring is sleeved on the connecting ring, one end of the static ring is abutted against the movable ring, the flange is sleeved on the connecting ring, the flange is arranged on one side of the static ring away from the movable ring, one side of the flange is provided with a plurality of placing holes, the openings of the placing holes face the static ring, the placing holes are distributed in an annular array, and the compensation mechanism is arranged; compensating mechanism includes spring and slider, slider and place the hole adaptation, and slider one end sets up with sliding in placing the hole, and the slider other end extends to place the hole and keeps away from one side butt of rotating ring with quiet ring, and the spring sets up in one side that quiet ring was kept away from to the slider, has solved the technical problem that exists among the prior art, if: the spring is not effectively protected.
Description
Technical Field
The utility model relates to a water pump shaft seal field is a shaft seal device of waste water treatment water pump particularly.
Background
Mechanical seal (mechanical seal) refers to a device for preventing fluid leakage, which is composed of at least one pair of end faces perpendicular to the rotation axis, and the end faces are kept in contact and relatively slide under the action of fluid pressure and the elastic force (or magnetic force) of a compensation mechanism and the cooperation of an auxiliary seal. The elastic loading mechanism and the auxiliary seal are mechanical seals of metal corrugated pipes, which are called metal corrugated pipe seals. In light sealing, a rubber corrugated pipe is used as auxiliary sealing, the elasticity of the rubber corrugated pipe is limited, and a spring is generally required to be supplemented to meet the loading elasticity. "mechanical seal" is often referred to by one as "mechanical seal" for short.
The mechanical seal is a shaft seal device of a rotating machine. Such as centrifugal pumps, centrifuges, reaction kettles, compressors, and the like. Since the drive shaft extends through the inside and outside of the apparatus, there is a circumferential gap between the shaft and the apparatus through which the medium in the apparatus leaks out, and if the pressure in the apparatus is lower than atmospheric pressure, air leaks into the apparatus, so that a shaft seal device must be provided to prevent leakage. The shaft seal has many kinds, and the mechanical seal has the advantages of small leakage amount, long service life and the like, so the mechanical seal is the most important shaft sealing mode in the devices in the world. Mechanical seals, also called face seals, are defined in the relevant national standards as follows: "means for preventing fluid leakage, which is composed of at least one pair of end faces perpendicular to the rotation axis, and which are kept in fit and relatively slide under the action of fluid pressure and the elastic force (or magnetic force) of the compensation mechanism and the cooperation of the auxiliary seal. "
Water pump mechanical shaft among the prior art seals usually its sealing member comprises rotating ring and quiet ring, and the rotating ring rotates along with the main shaft, mutual butt between rotating ring and the quiet ring, but because be the face-to-face contact between rotating ring and the quiet ring, during its sliding friction, contain the condition that has the acid-base nature in some quality of water, for example, all kinds of water power plant sewage pumps, this causes the installation cavity of corruption and jam spring easily with regard to the spring, and then influences the compensation performance of quiet ring, and it exists: the spring is not effectively protected.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the present invention is directed to: the utility model provides a shaft seal device of waste water treatment water pump for solve the technical problem that exists among the prior art, if: the spring is not effectively protected.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
a shaft sealing device of a wastewater treatment water pump comprises a shaft sleeve, a movable ring, a static ring, a flange, a connecting ring and a compensation mechanism, wherein the shaft sleeve is sleeved on a main shaft of the water pump, the connecting ring is sleeved on the shaft sleeve, the movable ring is fixedly sleeved on the connecting ring, the static ring is sleeved on the connecting ring, one end of the static ring is abutted against the movable ring, the flange is sleeved on the connecting ring, the flange is arranged on one side of the static ring away from the movable ring, a plurality of placing holes are formed in one side of the flange, openings of the placing holes face the static ring, the placing holes are distributed in an annular array, and one compensation mechanism is arranged in each placing hole;
the compensation mechanism comprises a spring and a sliding block, the sliding block is matched with the placing hole, one end of the sliding block is slidably arranged in the placing hole, the other end of the sliding block extends out of the placing hole and is abutted against one side, far away from the rotating ring, of the static ring, and the spring is arranged on one side, far away from the static ring, of the sliding block.
Furthermore, the end face of the movable ring close to one end of the static ring is provided with a circular groove, one end of the static ring is arranged in the circular groove, and the outer diameter of the static ring is the same as the inner diameter of the circular groove.
Furthermore, an annular bulge is arranged at one end, away from the static ring, of the connecting ring, an installation groove with an opening facing towards the static ring is formed in the annular bulge, and one end, away from the static ring, of the movable ring is fixedly arranged in the installation groove.
Further, the static ring is in clearance fit with the connecting ring.
Further, the connecting ring is fixedly connected with the shaft sleeve.
The movable ring is sleeved on the connecting ring, the movable ring is arranged on the connecting ring, the limiting ring is connected with the connecting ring through the limiting screw, and one side, close to the flange, of the limiting ring is abutted to the flange.
Compared with the prior art, the utility model, following beneficial effect has:
1. set up in placing the hole through the slider, stifled the spring wherein, when replenishing quiet ring wearing and tearing, the slider slides in order to promote quiet ring, and the liquid that external leakage was advanced can't enter into and place downtheholely to play the effect of protection spring, reached the beneficial effect that the protection spring is not corroded.
Drawings
FIG. 1 is an overall structure diagram of a shaft sealing device of a wastewater treatment water pump according to the present invention;
fig. 2 is an enlarged schematic view of a point a in fig. 1.
List of reference numerals
1-main shaft, 2-shaft sleeve, 3-movable ring, 4-static ring, 5-spring, 6-connecting ring, 7-flange, 8-limiting ring, 9-limiting screw and 10-sliding block.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings 1-2, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, an integral connection, or a detachable connection; may be communication within two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art can understand the specific meaning of the above terms in the present invention in specific situations.
A shaft sealing device of a wastewater treatment water pump comprises a shaft sleeve 2, a movable ring 3, a static ring 4, a flange 7, a connecting ring 6 and a compensation mechanism, wherein the shaft sleeve 2 is sleeved on a main shaft 1 of the water pump, the connecting ring 6 is sleeved on the shaft sleeve 2, the movable ring 3 is fixedly sleeved on the connecting ring 6, the static ring 4 is sleeved on the connecting ring 6, one end of the static ring 4 is abutted against the movable ring 3, the flange 7 is sleeved on the connecting ring 6, the flange 7 is arranged on one side, away from the movable ring 3, of the static ring 4, a plurality of placing holes are formed in one side of the flange 7, openings of the placing holes face the static ring 4, the placing holes are distributed in an annular array, and one compensation mechanism is arranged in each placing hole;
the compensation mechanism comprises a spring 5 and a sliding block 10, the sliding block 10 is matched with the placing hole, one end of the sliding block 10 is slidably arranged in the placing hole, the other end of the sliding block 10 extends out of the placing hole and is abutted against one side, away from the rotating ring 3, of the static ring 4, and the spring 5 is arranged on one side, away from the static ring 4, of the sliding block 10.
As shown in fig. 1, the shaft sleeve 2 is in interference fit with the main shaft 1, the connecting ring 6 is fixedly connected with the shaft sleeve 2, when the main shaft 1 rotates, the shaft sleeve 2 and the connecting ring 6 rotate together and drive the movable ring 3 to rotate, the stationary ring 4 is static, the movable ring 3 is abutted against the stationary ring 4 and slides and rubs mutually, so that sealing is realized, and when the stationary ring 4 is subjected to mechanical wear, the spring 5 extends in time to supplement the wear loss.
Because the sliding friction of rotating ring 3 and quiet ring 4, in the clearance of liquid to quiet ring 4 and go-between 6 can ooze into to inevitable between the two sealed faces, in acid-base environment, cause the corruption and take place to block up spring 5 easily, and then influence compensation performance, set up in placing the hole through slider 10, block up spring 5 wherein, when supplementary quiet ring 4 wearing and tearing, slider 10 slides in order to promote quiet ring 4, the liquid that external leakage was advanced can't enter into and place downtheholely, in order to play the effect of protection spring 5, the beneficial effect that protection spring 5 is not corroded has been reached.
Further, the rotating ring 3 is close to the terminal surface of 4 one ends of quiet ring is equipped with the circular slot, the one end of quiet ring 4 set up in the circular slot, the external diameter of quiet ring 4 with the internal diameter of circular slot is the same, and quiet ring 4 is close to the lateral surface and the rotating ring 3 cooperation of 3 one ends of rotating ring, and the terminal surface and the circular slot inner wall butt that quiet ring 4 is close to 3 one ends of rotating ring have increased area of contact, have improved sealing performance.
Furthermore, an annular bulge is arranged at one end, away from the stationary ring 4, of the connecting ring 6, an installation groove with an opening direction facing the stationary ring 4 is arranged on the annular bulge, and one end, away from the stationary ring 4, of the movable ring 3 is fixedly arranged in the installation groove.
Further, the stationary ring 4 is in clearance fit with the connecting ring 6.
Further, the connecting ring 6 is fixedly connected with the shaft sleeve 2.
Further, the movable ring structure further comprises a limiting ring 8 and a limiting screw 9, the limiting ring 8 is sleeved at one end, far away from the movable ring 3, of the connecting ring 6, the limiting ring 8 is connected with the connecting ring 6 through the limiting screw 9, and one side, close to the flange 7, of the limiting ring 8 is abutted to the flange 7. The flange 7 is connected with a seal box of the water pump through screws, and the limiting ring 8 and the limiting screw 9 play a role in limiting the flange 7.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the embodiments in the above description, and the technical concept of the present invention can be within the scope of the present invention, and can be modified to various simple modifications, and these simple modifications all belong to the protection scope of the present invention. It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features. In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (6)
1. The shaft sealing device of the wastewater treatment water pump is characterized by comprising a shaft sleeve (2), a movable ring (3), a static ring (4), a flange (7), a connecting ring (6) and a compensation mechanism, wherein the shaft sleeve (2) is sleeved on a main shaft (1) of the water pump, the connecting ring (6) is sleeved on the shaft sleeve (2), the movable ring (3) is fixedly sleeved on the connecting ring (6), the static ring (4) is sleeved on the connecting ring (6), one end of the static ring (4) is abutted against the movable ring (3), the flange (7) is sleeved on the connecting ring (6), the flange (7) is arranged on one side, away from the movable ring (3), of the static ring (4), a plurality of placing holes are arranged on one side of the flange (7), the opening of the placing holes faces the static ring (4), and the placing holes are distributed in an annular array, the compensation mechanisms are arranged in the plurality of placing holes;
the compensation mechanism comprises a spring (5) and a sliding block (10), the sliding block (10) is matched with the placing hole, one end of the sliding block (10) is slidably arranged in the placing hole, the other end of the sliding block (10) extends out of the placing hole and is abutted to one side, away from the movable ring (3), of the static ring (4), and the spring (5) is arranged on one side, away from the static ring (4), of the sliding block (10).
2. The shaft sealing device of the wastewater treatment water pump according to claim 1, characterized in that the end surface of the rotating ring (3) close to one end of the static ring (4) is provided with a circular groove, one end of the static ring (4) is arranged in the circular groove, and the outer diameter of the static ring (4) is the same as the inner diameter of the circular groove.
3. The shaft sealing device of a wastewater treatment water pump according to claim 1, characterized in that the end of the connecting ring (6) far away from the stationary ring (4) is provided with an annular bulge, the annular bulge is provided with a mounting groove with an opening facing the stationary ring (4), and the end of the movable ring (3) far away from the stationary ring (4) is fixedly arranged in the mounting groove.
4. A shaft seal arrangement of a wastewater treatment pump according to claim 1, characterized in that the stationary ring (4) is clearance fitted with the connecting ring (6).
5. A shaft seal arrangement of a wastewater treatment pump according to claim 1, characterized in that the connection ring (6) is fixedly connected to the shaft sleeve (2).
6. The shaft sealing device of the wastewater treatment water pump according to claim 1, further comprising a limiting ring (8) and a limiting screw (9), wherein the limiting ring (8) is sleeved on one end of the connecting ring (6) far away from the dynamic ring (3), the limiting ring (8) is connected with the connecting ring (6) through the limiting screw (9), and one side of the limiting ring (8) close to the flange (7) is abutted against the flange (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022436233.XU CN213540820U (en) | 2020-10-28 | 2020-10-28 | Shaft sealing device of wastewater treatment water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022436233.XU CN213540820U (en) | 2020-10-28 | 2020-10-28 | Shaft sealing device of wastewater treatment water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213540820U true CN213540820U (en) | 2021-06-25 |
Family
ID=76501340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022436233.XU Active CN213540820U (en) | 2020-10-28 | 2020-10-28 | Shaft sealing device of wastewater treatment water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213540820U (en) |
-
2020
- 2020-10-28 CN CN202022436233.XU patent/CN213540820U/en active Active
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