CN211082831U - Shaft sealing structure - Google Patents
Shaft sealing structure Download PDFInfo
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- CN211082831U CN211082831U CN201922051623.2U CN201922051623U CN211082831U CN 211082831 U CN211082831 U CN 211082831U CN 201922051623 U CN201922051623 U CN 201922051623U CN 211082831 U CN211082831 U CN 211082831U
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- 238000007789 sealing Methods 0.000 title claims abstract description 49
- 238000012856 packing Methods 0.000 claims abstract description 88
- 239000000945 filler Substances 0.000 claims abstract description 32
- 238000003825 pressing Methods 0.000 claims description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 238000001816 cooling Methods 0.000 claims description 28
- 238000007664 blowing Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 210000004907 gland Anatomy 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model provides a shaft sealing structure, which relates to the technical field of mechanical sealing and comprises a wear-resistant shaft sleeve component arranged outside a rotating shaft and a packing sealing component arranged outside the wear-resistant shaft sleeve component; the packing seal assembly is fixedly connected with the mounting end face; the wear-resistant shaft sleeve assembly is sealed with the rotating shaft through a wear-resistant shaft sleeve sealing filler. The utility model provides an axle seal structure sets up wear-resisting axle sleeve subassembly through the outside in the pivot to seal up wear-resisting axle sleeve subassembly and pivot through wear-resisting axle sleeve sealing filler, guaranteeing axle seal structure's sealing performance, when improving axle seal structure's wearability, still be favorable to avoiding frequently carrying out the dismouting to the axle seal structure, improve work efficiency, increase of service life.
Description
Technical Field
The utility model relates to a mechanical seal technical field particularly, relates to a shaft seal structure.
Background
At present, the traditional packing shaft sealing device is relatively simple, and the sealing between a wear-resistant shaft sleeve and a rotating shaft is generally realized by adopting an O-shaped ring seal. The high temperature resistance degree of the O-shaped ring of the wear-resistant shaft sleeve is limited, and the O-shaped ring is easy to deform and damage in the using process; if the O-shaped ring is damaged, the sealing performance of the packing shaft sealing device is affected, and the replacement workload is quite large.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem among the traditional sealed device of filler axle, O shape circle between wear-resisting axle sleeve and the pivot easily damages.
In order to solve the problems, the utility model provides a shaft sealing structure, which comprises a wear-resistant shaft sleeve component arranged outside a rotating shaft and a packing sealing component arranged outside the wear-resistant shaft sleeve component; the packing seal assembly is fixedly connected with the mounting end face; the wear-resistant shaft sleeve assembly is sealed with the rotating shaft through a wear-resistant shaft sleeve sealing filler.
Optionally, the wear-resistant bushing assembly includes a wear-resistant bushing and a wear-resistant bushing pressing member, wherein the wear-resistant bushing is sleeved outside the rotating shaft; one end of the wear-resistant shaft sleeve is tightly attached to the mounting end face, and the other end of the wear-resistant shaft sleeve is tightly attached to the wear-resistant shaft sleeve pressing piece; the wear-resistant shaft sleeve pressing piece is fixedly connected with the rotating shaft.
Optionally, the wear-resistant shaft sleeve sealing filler is arranged between the wear-resistant shaft sleeve and the wear-resistant shaft sleeve pressing piece.
Optionally, the wear-resistant shaft sleeve assembly further comprises a flange, the flange is fixedly connected to the rotating shaft, and the flange is connected with the wear-resistant shaft sleeve pressing piece through a first fastener.
Optionally, the wear-resistant shaft sleeve pressing piece and the rotating shaft are positioned through a positioning bolt.
Optionally, the packing seal assembly comprises a packing seat and a packing hold-down; the filler seat is sleeved on the outer side of the wear-resistant shaft sleeve assembly and is fixedly connected with the mounting end face; the packing seat comprises a packing box, the packing box is adjacent to the wear-resistant shaft sleeve assembly, packing is arranged in the packing box, the packing pressing piece is tightly attached to the packing, and the packing pressing piece is fixedly connected with the packing seat.
Optionally, a water cooling structure is arranged on the packing seat, and the water cooling structure is located on the outer side of the packing box.
Optionally, the water cooling structure includes a water cooling jacket, a water inlet and a water outlet, the water cooling jacket is located outside the stuffing box, and the water inlet and the water outlet are both connected to the water cooling jacket.
Optionally, the water inlet is disposed at the bottom of the filler seat, and the water outlet is disposed at the top of the filler seat.
Optionally, a blowing port is arranged on the packing seat, the blowing port is located between the packing box and the mounting end face, and an air outlet end of the blowing port is adjacent to the wear-resistant shaft sleeve assembly.
Compared with the prior art, the utility model provides a shaft seal structure has following advantage:
the utility model provides an axle seal structure sets up wear-resisting axle sleeve subassembly through the outside in the pivot to seal up wear-resisting axle sleeve subassembly and pivot through wear-resisting axle sleeve sealing filler, guaranteeing axle seal structure's sealing performance, when improving axle seal structure's wearability, still be favorable to avoiding frequently carrying out the dismouting to the axle seal structure, improve work efficiency, increase of service life.
Drawings
Fig. 1 is a sectional view of a shaft seal structure according to the present invention;
fig. 2 is an enlarged view of a point a in fig. 1.
Description of reference numerals:
1-a rotating shaft; 2-mounting the end face; 3-wear resistant shaft sleeve component; 31-wear-resistant shaft sleeve; 311-a first boss; 32-wear-resistant shaft sleeve pressing pieces; 321-a second boss; 33-a flange; 34-a first fastener; 35-a positioning bolt; 36-wear-resistant shaft sleeve sealing filler; 4-a packing seal assembly; 41-a filler seat; 411-a second connector; 42-a packing compression member; 421-a compression end; 422-a first connecting piece; 43-a filler; 44-a water-cooling structure; 441-water-cooled jacket; 442-a water inlet; 443-a water outlet; 45-air blowing port.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In order to solve the problem that the service life of the conventional packing shaft sealing device is easily affected due to the damage of an O-shaped ring between a wear-resistant shaft sleeve and a rotating shaft, the utility model provides a shaft sealing structure, which is shown in figure 1 and comprises a wear-resistant shaft sleeve component 3 arranged outside the rotating shaft 1 and a packing sealing component 4 arranged outside the wear-resistant shaft sleeve component 3; the packing seal assembly 4 is fixedly connected with the mounting end face 2; the wear-resistant shaft sleeve component 3 is sealed with the rotating shaft 1 through the wear-resistant shaft sleeve sealing packing 36.
Through set up wear-resisting axle sleeve subassembly 3 in the outside of pivot 1, further install packing seal assembly 4 in the outside of wear-resisting axle sleeve 3 again to increase shaft seal structure's wear resistance, improve shaft seal structure's life.
For guaranteeing the leakproofness between wear-resisting axle sleeve subassembly 3 and the pivot 1, the utility model provides a wear-resisting axle sleeve subassembly 3 still includes wear-resisting axle sleeve gland packing 36, and this wear-resisting axle sleeve gland packing 36 is located the outside of pivot 1 for seal the gap between wear-resisting axle sleeve subassembly 3 and the pivot 1, in order to guarantee the leakproofness.
Because wear-resisting axle sleeve subassembly 3 seals through wear-resisting axle sleeve gland packing 36 and pivot 1, according to gland packing corrosion resistance good, non-deformable's characteristics, can avoid the axle seal structure to influence the leakproofness because of O shape circle is impaired in the use for the axle seal structure that this application provided can also avoid frequently carrying out the dismouting to the axle seal structure when guaranteeing sealing performance, improves work efficiency, increase of service life.
Especially for the high temperature condition, wear-resisting axle sleeve sealing filler 36 in this application has excellent high temperature resistance, and non-deformable under high temperature environment to can guarantee that the axle seal structure that this application provided still can play effectual sealed effect when using under high temperature environment.
The utility model provides an axle seal structure sets up wear-resisting axle sleeve subassembly 3 through the outside at pivot 1 to seal up wear-resisting axle sleeve subassembly 3 and pivot 1 through wear-resisting axle sleeve seal packing 36, guaranteeing axle seal structure's sealing performance, when improving axle seal structure's high temperature resistance and wearability, still do benefit to and avoid frequently carrying out the dismouting to the axle seal structure, improve work efficiency, increase of service life.
The wear-resistant shaft sleeve assembly 3 comprises a wear-resistant shaft sleeve 31 and a wear-resistant shaft sleeve pressing piece 32, wherein the wear-resistant shaft sleeve 31 is sleeved on the outer side of the rotating shaft 1; one end of the wear-resistant shaft sleeve 31 is tightly attached to the mounting end surface 2, and the other end of the wear-resistant shaft sleeve is tightly attached to the wear-resistant shaft sleeve pressing piece 32; the wear-resistant shaft sleeve pressing piece 32 is fixedly connected with the rotating shaft 1.
The wear-resistant shaft sleeve 31 is of a circular ring-shaped structure, and the inner diameter of the circular ring-shaped structure is matched with the outer diameter of the rotating shaft 1; one end of the wear-resistant sleeve 31 is attached to the mounting end surface 2, wherein the mounting end surface 2 is the end surface of the device connected to the rotating shaft 1, for example, for the present application, the mounting end surface 2 may be the end surface of the storage tank connected to the rotating shaft 1; because the fixed position of mounting end face 2 is unchangeable, paste the one end of wear-resisting axle sleeve 31 with mounting end face 2 tight back, further compress tightly 32 and the other end of wear-resisting axle sleeve 31 with wear-resisting axle sleeve, the one end that the mounting end face 2 was kept away from to wear-resisting axle sleeve 31 pastes tightly promptly, and wear-resisting axle sleeve compresses tightly 32 and 1 fixed connection of pivot, fix wear-resisting axle sleeve 31 through pivot 1, thereby make the both ends of wear-resisting axle sleeve 31 compressed tightly 32 by mounting end face 2 and wear-resisting axle sleeve respectively and press from both sides tightly, the realization is fixed to wear-resisting axle sleeve 31.
In order to ensure the sealing performance between the wear-resistant shaft sleeve pressing piece 32 and the wear-resistant shaft sleeve 31 when the wear-resistant shaft sleeve pressing piece 32 presses the wear-resistant shaft sleeve 31, step structures matched with each other are arranged at the connecting part of the wear-resistant shaft sleeve 31 and the wear-resistant shaft sleeve pressing piece 32; specifically, referring to fig. 2, in the present application, it is preferable that the wear-resistant sleeve 31 is provided with a first boss 311 at an end far from the mounting end surface 2, and a groove is formed between the first boss 311 and the rotating shaft 1; the wear-resistant shaft sleeve pressing piece 32 is provided with a second boss 321 at one end close to the wear-resistant shaft sleeve 31, the shape and the size of the second boss 321 are matched with those of a groove between the first boss 311 and the rotating shaft 1, and the second boss 321 is inserted into the groove to press the wear-resistant shaft sleeve 31 by the wear-resistant shaft sleeve pressing piece 32; so set up, can make wear-resisting axle sleeve 31 and wear-resisting axle sleeve compress tightly the connection face between the piece 32 and form a complicated labyrinth structure, when the realization is fixed wear-resisting axle sleeve 31, still be favorable to improving the sealing performance between wear-resisting axle sleeve 31 and the wear-resisting axle sleeve piece 32 that compresses tightly.
In order to improve the sealing performance between the wear-resistant shaft sleeve 31 and the wear-resistant shaft sleeve assembly 32, the wear-resistant shaft sleeve sealing filler 36 for sealing the wear-resistant shaft sleeve assembly 3 and the rotating shaft 1 is arranged between the wear-resistant shaft sleeve 31 and the wear-resistant shaft sleeve pressing piece 32; specifically, referring to fig. 2, in the present application, preferably, the length of the second boss 321 is smaller than the length of the groove formed between the first boss 311 and the rotating shaft 1, so that after the wear-resistant shaft sleeve pressing member 32 presses the wear-resistant shaft sleeve 31, a cavity is formed between the second boss 321 and the wear-resistant shaft sleeve 31, the cavity is located in the groove, and the size and the shape of the cavity are both adapted to the wear-resistant shaft sleeve packing 36; through setting up wear-resisting axle sleeve filler 36 in this cavity for wear-resisting axle sleeve filler 36 seals wear-resisting axle sleeve subassembly 3 and pivot 1, compact structure, and sealed effectual.
In order to realize the fixed connection between the wear-resistant shaft sleeve pressing part 32 and the rotating shaft 1, the wear-resistant shaft sleeve assembly 3 further comprises a flange 33, the flange 33 is fixedly connected to the rotating shaft 1, and the flange 33 is connected with the wear-resistant shaft sleeve pressing part 32 through a first fastener 34.
The flange 33 and the wear-resistant shaft sleeve pressing piece 32 are connected through the first fastener 34, so that the difficulty in assembling and disassembling the wear-resistant shaft sleeve assembly 3 is reduced. In order to realize the fixed connection between the flange 33 and the rotating shaft 1, referring to fig. 1, the rotating shaft 1 is provided with a clamping groove adapted to the shape and size of the flange 33, and the flange 33 is fixed by installing the flange 33 in the clamping groove.
In order to connect the flange 33 with the wear-resistant shaft sleeve pressing piece 32 conveniently, the wear-resistant shaft sleeve pressing piece 32 in the application comprises a convex edge structure, the convex edge structure is arranged in parallel with the flange 33, a plurality of screw holes are formed in the convex edge, and the number, the size and the positions of the screw holes are matched with those of the screw holes in the flange 33; the connection between the flange 33 and the wear-resistant sleeve pressing member 32 is achieved by passing a plurality of first fastening members 34 through respective screw holes of the flange 33 and the flange structure.
The flange 33 and the wear-resistant shaft sleeve pressing piece 32 are connected through the first fasteners 34, the structure is simple, the operation is easy, the dismounting is convenient, and the improvement of the working efficiency is facilitated.
For the degree of difficulty that reduces counter shaft seal structure and install, the wear-resisting axle sleeve of this application compresses tightly piece 32 and pivot 1 and fixes a position through positioning bolt 35.
Specifically, in the present application, a plurality of matched threaded holes are respectively arranged at corresponding positions on the wear-resistant shaft sleeve pressing piece 32 and the rotating shaft 1; when the shaft seal structure is installed, firstly, the wear-resistant shaft sleeve 31 is sleeved on the outer side of the rotating shaft 1, the wear-resistant shaft sleeve seal filler 36 is added in the groove between the first boss 311 and the rotating shaft 1, then the wear-resistant shaft sleeve pressing piece 32 is installed, after the wear-resistant shaft sleeve pressing piece 32 presses the wear-resistant shaft sleeve seal filler 36 and the wear-resistant shaft sleeve 31, the plurality of positioning bolts 35 are respectively installed in corresponding threaded holes on the wear-resistant shaft sleeve pressing piece 32 and the rotating shaft 1, and the wear-resistant shaft sleeve component 3 is preliminarily positioned; and then the flange 33 is connected with the wear-resistant shaft sleeve pressing piece 32 through the first fastening piece 34, so that the connection strength between the wear-resistant shaft sleeve assembly 3 and the rotating shaft 1 is improved.
Before compressing tightly piece 32 to flange 33 and wear-resisting axle sleeve and being connected, compress tightly piece 32 and pivot 1 through positioning bolt 35 to wear-resisting axle sleeve earlier and tentatively fix a position, help when guaranteeing the installation accuracy, reduce the installation degree of difficulty, improve the installation effectiveness.
The function of the stuffing seal assembly 4 in this application is to provide stuffing seal for the shaft seal structure; specifically, the packing seal assembly 4 in the present application includes a packing seat 41 and a packing pressing member 42; the packing seat 41 is sleeved outside the wear-resistant shaft sleeve component 3, and the packing seat 41 is fixedly connected with the mounting end surface 2; the packing seat 41 comprises a packing box, the packing box is adjacent to the wear-resistant shaft sleeve assembly 3, packing 43 is arranged in the packing box, the packing pressing piece 42 is attached to the packing 43, and the packing pressing piece 42 is fixedly connected with the packing seat 41.
The filler seat 41 is fixed by fixedly connecting the filler seat 41 with the mounting end face 2; the filling seat 41 and the mounting end face 2 are fixedly connected through a fastener, so that the shaft sealing structure can be conveniently disassembled, assembled and maintained; the packing seat 41 is sleeved outside the wear-resistant shaft sleeve component 3, specifically, the packing seat 41 is sleeved outside the wear-resistant shaft sleeve 31 in the present application; a cavity structure is arranged at the position, adjacent to the wear-resistant shaft sleeve 31, of the filler seat 41, and the cavity structure is of an annular structure surrounding the outer side of the wear-resistant shaft sleeve 31; the cavity structure is a stuffing box for adding the stuffing 43; in order to facilitate the installation and the disassembly of the stuffing 43, the stuffing box is an open end at one end far away from the installation end surface 2; the size and the shape of the opening end are matched with those of the packing pressing piece 42; specifically, in the present application, the packing pressing member 42 includes a pressing end 421, and the size and shape of the opening end are both adapted to the size and shape of the pressing end 421; after the stuffing 43 is placed into the stuffing box, the pressing end 421 is inserted into the stuffing box from the opening end of the stuffing box to press the stuffing 43, and then the stuffing pressing piece 42 is fixedly connected with the stuffing seat 41 to fix the stuffing 43.
In order to facilitate the fixed connection between the packing pressing member 42 and the packing seat 41, in this application, the packing pressing member 42 further includes a first connecting member 422, and the first connecting member 422 is perpendicular to the pressing end 421; meanwhile, a second connecting piece 411 is arranged at the position where the packing seat 41 is adjacent to the packing pressing piece 42, the second connecting piece 411 is perpendicular to the first connecting piece 422, and mutually matched screw holes are arranged at the positions corresponding to the first connecting piece 422 and the second connecting piece 411; the fastening piece sequentially penetrates through the two screw holes, so that the packing pressing piece 42 is fixedly connected with the packing seat 41.
Because the shaft sealing structure increases the temperature during the high-speed rotation of the rotating shaft 1; for avoiding high temperature environment to lead to packing 43 to produce deformation, influence shaft seal structure's sealing performance, this application is provided with water-cooling structure 44 on packing seat 41, and water-cooling structure 44 is located the outside of packing box.
Because the packing 43 is placed in the stuffing box, through the outside at the stuffing box, one side of keeping away from pivot 1 promptly sets up water-cooling structure 44, can rotate the in-process at pivot 1, comes the packing 43 of cooling down in the stuffing box through water-cooling structure 44 to avoid packing 43 to warp, improve shaft seal structure's sealing ability, increase of service life.
Specifically, the water cooling structure 44 in the present application includes a water cooling jacket 441, a water inlet 442 and a water outlet 443, wherein the water cooling jacket 441 is located outside the stuffing box, and the water inlet 442 and the water outlet 443 are connected to the water cooling jacket 441.
The water-cooling jacket 441 is of an annular cavity structure surrounding the outer side of the stuffing box; the water-cooling jacket 441 is used for storing circulating water so as to cool the packing 43 by the circulating water stored in the water-cooling jacket 441; therefore, in order to ensure the cooling effect on the packing 43, the water cooling jacket 441 is preferably arranged outside the packing box; the water inlet port 442 and the water outlet port 443 are connected to the water-cooling jacket 441 such that circulating water enters the water-cooling jacket 441 through the water inlet port 442 and is discharged from the water-cooling jacket 441 through the water outlet port 443.
According to the flowing characteristics of water, in order to ensure that the water cooling jacket 441 can be filled with circulating water to ensure the cooling effect of the filler 43, it is preferable that the water inlet 442 is arranged at the bottom of the filler seat 41, and the water outlet 443 is arranged at the top of the filler seat 41.
The bottom of the filling seat 41 in the present application specifically refers to a position on the filling seat 41 along the gravity direction and below; similarly, the top of the packing seat 41 specifically refers to a position on the packing seat 41 along the gravity direction and above.
In order to further improve the sealing effect of the shaft sealing structure, the filling seat 41 of the present application is provided with an air blowing port 45, the air blowing port 45 is located between the filling box and the mounting end surface 2, and the air outlet end of the air blowing port 45 is adjacent to the wear-resistant shaft sleeve component 3.
In the rotating process of the rotating shaft 1, particularly the rotating shaft 1 connected with equipment such as a storage tank and the like, materials in the storage tank are easy to be reserved in gaps among all parts in the shaft sealing structure; according to the shaft sealing structure, the air blowing port 45 is arranged between the stuffing box and the mounting end face 2, on one hand, when the shaft sealing structure is in a mounting state, the stuffing 43 is placed in the stuffing box, and the stuffing 43 is compressed by the stuffing compressing piece 42, so that when air is blown into the air blowing port 45, the fixed stuffing 43 blocks the air, the air blown in from the air blowing port 45 can only flow towards the mounting end face 2, the flowing air can bring materials in gaps among all parts in the shaft sealing structure into the storage tank, the shaft sealing structure is subjected to back blowing, cleanliness among all parts in the shaft sealing structure is guaranteed, and sealing capacity is improved; on the other hand, when the filler 43 needs to be replaced, after the filler pressing piece 42 is detached, the pressing force between the filler 43 and the stuffing box no longer exists, at this time, gas is blown in through the blowing port 45, the blown gas generates a thrust force in the direction away from the mounting end face 2 to the filler 43, and under the action of the thrust force, the filler 43 is separated from the stuffing box, so that the difficulty in detaching the filler 43 can be reduced, and the working efficiency is improved.
In addition, the air is blown into the air blowing port 45, so that the filler 43 is cooled, and the effects of improving the sealing capacity and prolonging the service life are achieved.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.
Claims (10)
1. The shaft sealing structure is characterized by comprising a wear-resistant shaft sleeve component (3) arranged on the outer side of a rotating shaft (1) and a packing sealing component (4) arranged on the outer side of the wear-resistant shaft sleeve component (3); the packing seal assembly (4) is fixedly connected with the mounting end face (2); the wear-resistant shaft sleeve assembly (3) is sealed with the rotating shaft (1) through a wear-resistant shaft sleeve sealing filler (36).
2. The shaft seal structure according to claim 1, wherein the wear-resistant bushing assembly (3) comprises a wear-resistant bushing (31) and a wear-resistant bushing pressing member (32), wherein the wear-resistant bushing (31) is sleeved outside the rotating shaft (1); one end of the wear-resistant shaft sleeve (31) is tightly attached to the mounting end face (2), and the other end of the wear-resistant shaft sleeve is tightly attached to the wear-resistant shaft sleeve pressing piece (32); the wear-resistant shaft sleeve pressing piece (32) is fixedly connected with the rotating shaft (1).
3. The shaft seal arrangement according to claim 2, characterized in that the wear-resistant bushing seal packing (36) is arranged between the wear-resistant bushing (31) and the wear-resistant bushing pressing piece (32).
4. The shaft seal arrangement of claim 2, characterized in that the wear sleeve assembly (3) further comprises a flange (33), the flange (33) being fixedly attached to the shaft (1), the flange (33) being connected to the wear sleeve compression member (32) by a first fastener (34).
5. A shaft seal according to claim 3, characterised in that the wear sleeve pressing member (32) is positioned with the rotary shaft (1) by means of a positioning bolt (35).
6. A shaft seal according to any one of claims 1 to 5, characterised in that the packing seal assembly (4) comprises a packing seat (41) and a packing hold-down member (42); the packing seat (41) is sleeved on the outer side of the wear-resistant shaft sleeve component (3), and the packing seat (41) is fixedly connected with the mounting end face (2); the packing seat (41) comprises a packing box, the packing box is adjacent to the wear-resistant shaft sleeve assembly (3), packing (43) is arranged in the packing box, the packing pressing piece (42) is attached to the packing (43), and the packing pressing piece (42) is fixedly connected with the packing seat (41).
7. Shaft sealing structure according to claim 6, characterized in that a water cooling structure (44) is arranged on the stuffing seat (41), the water cooling structure (44) being located outside the stuffing box.
8. The shaft seal structure according to claim 7, characterized in that the water-cooled structure (44) comprises a water-cooled jacket (441), a water inlet (442) and a water outlet (443), the water-cooled jacket (441) being located outside the stuffing box, the water inlet (442) and the water outlet (443) both being connected to the water-cooled jacket (441).
9. The shaft seal according to claim 8, characterized in that the water inlet (442) is arranged at the bottom of the filling level (41) and the water outlet (443) is arranged at the top of the filling level (41).
10. The shaft seal structure according to claim 6, characterized in that the stuffing seat (41) is provided with a gas blowing port (45), the gas blowing port (45) is located between the stuffing box and the mounting end surface (2), and the gas outlet end of the gas blowing port (45) is adjacent to the wear-resistant shaft sleeve component (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922051623.2U CN211082831U (en) | 2019-11-25 | 2019-11-25 | Shaft sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922051623.2U CN211082831U (en) | 2019-11-25 | 2019-11-25 | Shaft sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211082831U true CN211082831U (en) | 2020-07-24 |
Family
ID=71645598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922051623.2U Active CN211082831U (en) | 2019-11-25 | 2019-11-25 | Shaft sealing structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN211082831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116044806A (en) * | 2022-12-16 | 2023-05-02 | 江苏核电有限公司 | A seawater circulation pump packing sealing device |
-
2019
- 2019-11-25 CN CN201922051623.2U patent/CN211082831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116044806A (en) * | 2022-12-16 | 2023-05-02 | 江苏核电有限公司 | A seawater circulation pump packing sealing device |
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