CN214789048U - High-speed dry running mechanical sealing device - Google Patents
High-speed dry running mechanical sealing device Download PDFInfo
- Publication number
- CN214789048U CN214789048U CN202120358078.6U CN202120358078U CN214789048U CN 214789048 U CN214789048 U CN 214789048U CN 202120358078 U CN202120358078 U CN 202120358078U CN 214789048 U CN214789048 U CN 214789048U
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- Prior art keywords
- movable ring
- seat
- ring
- annular
- sealing
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- 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
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- 238000007789 sealing Methods 0.000 title claims abstract description 68
- 238000004140 cleaning Methods 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 230000003068 static effect Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 27
- 230000000903 blocking effect Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 230000002349 favourable effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model provides a high-speed dry-running mechanical sealing device, which comprises a shaft sleeve, an annular gasket, a sealing cover, a movable ring seat, a spring, a fixed sheet, a movable ring sealing ring, a movable ring, a static ring, a cooling annular seat structure and a guide cleaning rod structure, wherein the shaft sleeve penetrates through the annular gasket, and the right end of the shaft sleeve is arranged on the left side inside the movable ring seat; the annular gasket is arranged on the left side of the sealing cover; the movable ring seat is arranged in the sealing cover; the spring is arranged on the left side inside the movable ring seat; the fixed plate is arranged in the movable ring seat, and the left end of the fixed plate is inserted into the right side of the inner part of the spring. The utility model discloses the setting of three-way valve, feed liquor pipe, annular seat, spiral through-hole and drain pipe is favorable to improving the cooling effect; the magnet piece, the guide bar, clean layer, the pull ring, the setting of couple and fender lid are favorable to guiding the pivot and inserting the axle sleeve.
Description
Technical Field
The utility model belongs to the technical field of mechanical seal, especially, relate to a high-speed dry running mechanical seal device.
Background
In the sealing device of dry running machinery, such as an evaporator, a roller crusher and the like, the sealing performance in the sealing device gradually fails along with the increase of the sealing gap, so the pressure resistance of the sealing device is reduced, and although the current sealing device can be applied to the environment with large diameter and heavy load sealing, the following defects still exist: because the sealing rotating speed is very high, if the sealing end surface is not lubricated by a liquid film, the frictional heat is very large, the sealing end surface is easy to damage, a sealing surface forced lubrication system is generally adopted, and the sealing can pollute the sealed medium.
However, the existing high-speed dry-running mechanical sealing device also has the problems of poor cooling effect, inconvenience in guiding the rotating shaft and poor sealing effect.
Therefore, it is necessary to develop a high-speed dry-running mechanical sealing device.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a high-speed mechanical seal device that operates futilely to there is the cooling effect relatively poor in solving current high-speed mechanical seal device that operates futilely, is not convenient for guide pivot and the relatively poor problem of sealed effect. A high-speed dry-running mechanical sealing device comprises a shaft sleeve, an annular gasket, a sealing cover, a movable ring seat, a spring, a fixed sheet, a movable ring sealing ring, a movable ring, a static ring, a cooling annular seat structure and a guide cleaning rod structure, wherein the shaft sleeve penetrates through the annular gasket, and the right end of the shaft sleeve is arranged on the left side in the movable ring seat; the annular gasket is arranged on the left side of the sealing cover; the movable ring seat is arranged in the sealing cover; the spring is arranged on the left side inside the movable ring seat; the fixed plate is arranged in the movable ring seat, and the left end of the fixed plate is inserted into the right side in the spring; the movable ring sealing ring is arranged in the movable ring, and the left side of the movable ring sealing ring is in contact with the right end of the fixed sheet; the static ring is arranged on the right side in the sealing cover, and the left end of the static ring is arranged on the right side in the movable ring; the cooling annular seat structure is connected with the sealing cover; the guide cleaning rod structure is connected with the sealing cover; the cooling annular seat structure comprises a three-way valve, a liquid inlet pipe, an annular seat, a spiral through hole and a liquid outlet pipe, wherein the lower end of the three-way valve is in threaded connection with the upper end of the liquid inlet pipe; the lower end of the liquid inlet pipe is in threaded connection with the left side of the upper part of the annular seat; the spiral through hole is formed in the annular seat; the upper end of the liquid outlet pipe is in threaded connection with the right side of the lower part of the annular seat.
Preferably, the guide cleaning rod structure comprises a magnet piece, a guide rod, a cleaning layer, a pull ring, a hook and a blocking cover, wherein the magnet piece is connected to the left end of the guide rod through a screw; the cleaning layer is glued inside an annular groove formed in the outer wall of the left end of the guide rod; the pull ring bearing is connected to the middle part of the right side of the guide rod; the hook is hung and connected with the pull ring, and the right end of the hook is connected with the middle part of the inner wall on the right side of the blocking cover through a bolt.
Preferably, the annular seat is in threaded connection with an external thread arranged on the outer wall of the right end of the sealing cover through an internal thread arranged in the annular seat.
Preferably, the liquid inlet pipe is communicated with the spiral through hole.
Preferably, the liquid outlet pipe is communicated with the spiral through hole.
Preferably, the left end of the blocking cover is in threaded connection with the inside of an annular thread groove formed in the right side of the sealing cover.
Preferably, the cleaning layer adopts an annular felt layer.
Preferably, the guide rod penetrates through a through hole formed in the right side of the sealing cover.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, the three-way valve, the feed liquor pipe, annular seat, the setting of spiral through-hole and drain pipe is favorable to improving the cooling effect.
The utility model discloses in, magnet piece, guide bar, the cleaning layer, the pull ring, the setting of couple and fender lid is favorable to the guide pivot to insert the axle sleeve.
The utility model discloses in, annular gasket's setting, be favorable to improving sealed effect.
The utility model discloses in, the setting on clean layer, be favorable to cleaning the inside metal debris of mechanical seal device.
The utility model discloses in, the setting of axle sleeve, be favorable to installing the pivot.
The utility model discloses in, the setting of sealed lid, be favorable to installing mechanical seal device.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the cooling ring seat structure of the present invention;
fig. 3 is a schematic structural view of the structure of the guide cleaning rod of the present invention.
In the figure:
1. a shaft sleeve; 2. an annular gasket; 3. a sealing cover; 4. a movable ring seat; 5. a spring; 6. a fixing sheet; 7. a moving ring sealing ring; 8. a moving ring; 9. a stationary ring; 10. cooling the annular seat structure; 101. a three-way valve; 102. a liquid inlet pipe; 103. an annular seat; 104. a spiral through hole; 105. a liquid outlet pipe; 11. a guide clearing rod structure; 111. a magnet piece; 112. a guide rod; 113. a cleaning layer; 114. a pull ring; 115. hooking; 116. and (7) blocking the cover.
Detailed Description
The present invention is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a high-speed dry-running mechanical sealing device comprises a shaft sleeve 1, an annular gasket 2, a sealing cover 3, a movable ring seat 4, a spring 5, a fixing piece 6, a movable ring sealing ring 7, a movable ring 8, a stationary ring 9, a cooling annular seat structure 10 and a guide cleaning rod structure 11, wherein the shaft sleeve 1 penetrates through the annular gasket 2, and the right end of the shaft sleeve 1 is arranged on the left side inside the movable ring seat 4; the annular gasket 2 is arranged on the left side of the sealing cover 3; the movable ring seat 4 is arranged inside the sealing cover 3; the spring 5 is arranged on the left side inside the movable ring seat 4; the fixed plate 6 is arranged inside the movable ring seat 4, and the left end of the fixed plate 6 is inserted into the right side inside the spring 5; the movable ring sealing ring 7 is arranged inside the movable ring 8, and the left side of the movable ring sealing ring 7 is in contact with the right end of the fixed sheet 6; the static ring 9 is arranged at the right side inside the sealing cover 3, and the left end of the static ring 9 is arranged at the right side inside the movable ring 8; the cooling annular seat structure 10 is connected with the sealing cover 3; the guide cleaning rod structure 11 is connected with the sealing cover 3; the cooling annular seat structure 10 comprises a three-way valve 101, a liquid inlet pipe 102, an annular seat 103, a spiral through hole 104 and a liquid outlet pipe 105, wherein the lower end of the three-way valve 101 is in threaded connection with the upper end of the liquid inlet pipe 102; the lower end of the liquid inlet pipe 102 is connected with the left side of the upper part of the annular seat 103 in a threaded manner; the spiral through hole 104 is arranged inside the annular seat 103; the upper end of the liquid outlet pipe 105 is in threaded connection with the right side of the lower part of the annular seat 103; in the working process of the mechanical sealing device, a large amount of heat can be generated, an operator injects cooling oil into the spiral through hole 104 inside the annular seat 103 through the inlet end of the three-way valve 101, and connects the other inlet end of the three-way valve 101 with the liquid outlet pipe 105 through a booster pump and a pipeline which are arranged outside, so that the mechanical sealing device is cooled.
In this embodiment, referring to fig. 3, the guiding and cleaning rod structure 11 includes a magnet piece 111, a guiding rod 112, a cleaning layer 113, a pull ring 114, a hook 115 and a blocking cover 116, wherein the magnet piece 111 is screwed to the left end of the guiding rod 112; the cleaning layer 113 is glued inside an annular groove formed in the outer wall of the left end of the guide rod 112; the pull ring 114 is in bearing connection with the middle part of the right side of the guide rod 112; the hook 115 is hooked with the pull ring 114, and the right end of the hook 115 is bolted to the middle part of the right inner wall of the baffle cover 116; the operating personnel inserts the pivot in the axle sleeve 1, and the pivot is adsorbed by magnet piece 111, and operating personnel unscrews fender cover 116 from sealed lid 3, and fender cover 116 drives pull ring 114 and guide bar 112 and moves right to insert the pivot guide in the axle sleeve 1, make the installation of pivot more smooth and easy, and guide bar 112 when removing in mechanical seal device, clean layer 113 clears up the piece that the friction produced in the operation, reduces mechanical seal device's wearing and tearing.
In this embodiment, specifically, the annular seat 103 is disposed in threaded connection with an internal thread formed inside the annular seat 103 and an external thread formed on an outer wall of a right end of the sealing cover 3.
In this embodiment, specifically, the liquid inlet pipe 102 is communicated with the spiral through hole 104.
In this embodiment, specifically, the liquid outlet pipe 105 is communicated with the spiral through hole 104.
In this embodiment, specifically, the left end of the blocking cover 116 is screwed into an annular thread groove formed on the right side of the sealing cover 3.
In this embodiment, specifically, the cleaning layer 113 is an annular felt layer.
In this embodiment, specifically, the guide rod 112 penetrates through a through hole formed in the right side of the sealing cover 3.
In this embodiment, specifically, the liquid inlet pipe 102 is a stainless steel pipe; the annular seat 103 is an annular aluminum seat; the liquid outlet pipe 105 is a stainless steel pipe.
In this embodiment, specifically, the guide rod 112 is a stainless steel rod; the blocking cover 116 is made of aluminum alloy.
Principle of operation
In the utility model, when the rotating shaft and the mechanical sealing device are installed, an operator inserts the rotating shaft into the shaft sleeve 1, the rotating shaft is adsorbed by the magnet sheet 111, the operator unscrews the blocking cover 116 from the sealing cover 3, the blocking cover 116 drives the pull ring 114 and the guide rod 112 to move rightwards, so that the rotating shaft is guided and inserted into the shaft sleeve 1, the installation of the rotating shaft is smoother, and when the guide rod 112 moves in the mechanical sealing device, the cleaning layer 113 cleans up the fragments generated by friction in the operation process, and the abrasion of the mechanical sealing device is reduced; in the working process of the mechanical sealing device, a large amount of heat can be generated, an operator injects cooling oil into the spiral through hole 104 inside the annular seat 103 through the inlet end of the three-way valve 101, and connects the other inlet end of the three-way valve 101 with the liquid outlet pipe 105 through a booster pump and a pipeline which are arranged outside, so that the mechanical sealing device is cooled.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (8)
1. The high-speed dry running mechanical sealing device is characterized by comprising a shaft sleeve (1), an annular gasket (2), a sealing cover (3), a movable ring seat (4), a spring (5), a fixing piece (6), a movable ring sealing ring (7), a movable ring (8), a static ring (9), a cooling annular seat structure (10) and a guide cleaning rod structure (11), wherein the shaft sleeve (1) penetrates through the annular gasket (2), and the right end of the shaft sleeve (1) is arranged on the left side of the inside of the movable ring seat (4); the annular gasket (2) is arranged on the left side of the sealing cover (3); the movable ring seat (4) is arranged in the sealing cover (3); the spring (5) is arranged on the left side of the interior of the movable ring seat (4); the fixed plate (6) is arranged inside the movable ring seat (4), and the left end of the fixed plate (6) is inserted into the right side inside the spring (5); the movable ring sealing ring (7) is arranged inside the movable ring (8), and the left side of the movable ring sealing ring (7) is in contact with the right end of the fixed sheet (6); the static ring (9) is arranged on the right side in the sealing cover (3), and the left end of the static ring (9) is arranged on the right side in the movable ring (8); the cooling annular seat structure (10) is connected with the sealing cover (3); the guide cleaning rod structure (11) is connected with the sealing cover (3); the cooling annular seat structure (10) comprises a three-way valve (101), a liquid inlet pipe (102), an annular seat (103), a spiral through hole (104) and a liquid outlet pipe (105), wherein the lower end of the three-way valve (101) is in threaded connection with the upper end of the liquid inlet pipe (102); the lower end of the liquid inlet pipe (102) is in threaded connection with the left side of the upper part of the annular seat (103); the spiral through hole (104) is formed in the annular seat (103); the upper end of the liquid outlet pipe (105) is in threaded connection with the right side of the lower part of the annular seat (103).
2. The high-speed dry running mechanical seal device according to claim 1, wherein the guiding cleaning rod structure (11) comprises a magnet piece (111), a guiding rod (112), a cleaning layer (113), a pull ring (114), a hook (115) and a blocking cover (116), the magnet piece (111) is screwed to the left end of the guiding rod (112); the cleaning layer (113) is glued inside an annular groove formed in the outer wall of the left end of the guide rod (112); the pull ring (114) is connected to the middle part of the right side of the guide rod (112) in a bearing way; the hook (115) is hung and connected with the pull ring (114), and the right end of the hook (115) is connected with the middle part of the right inner wall of the blocking cover (116) through a bolt.
3. The high-speed dry running mechanical seal device according to claim 1, wherein the annular seat (103) is in threaded connection with an external thread formed on the outer wall of the right end of the seal cover (3) through an internal thread formed inside the annular seat (103).
4. The high-speed dry running mechanical seal device according to claim 1, wherein the liquid inlet pipe (102) is arranged to communicate with the spiral through hole (104).
5. A high speed dry running mechanical seal according to claim 1 wherein the outlet pipe (105) is arranged in communication with the spiral through hole (104).
6. The high-speed dry running mechanical seal device according to claim 2, wherein the left end of the baffle cover (116) is screwed into an annular screw groove formed on the right side of the seal cover (3).
7. A high speed dry running mechanical seal according to claim 2 wherein said cleaning layer (113) is an endless felt layer.
8. The high-speed dry running mechanical seal device according to claim 2, wherein the guide rod (112) penetrates through a through hole formed in the right side of the seal cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120358078.6U CN214789048U (en) | 2021-02-08 | 2021-02-08 | High-speed dry running mechanical sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120358078.6U CN214789048U (en) | 2021-02-08 | 2021-02-08 | High-speed dry running mechanical sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214789048U true CN214789048U (en) | 2021-11-19 |
Family
ID=78753211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120358078.6U Expired - Fee Related CN214789048U (en) | 2021-02-08 | 2021-02-08 | High-speed dry running mechanical sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214789048U (en) |
-
2021
- 2021-02-08 CN CN202120358078.6U patent/CN214789048U/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: 20211119 |