CN216112168U - Mechanical sealing structure with corrugated sealing pipe - Google Patents
Mechanical sealing structure with corrugated sealing pipe Download PDFInfo
- Publication number
- CN216112168U CN216112168U CN202121974528.0U CN202121974528U CN216112168U CN 216112168 U CN216112168 U CN 216112168U CN 202121974528 U CN202121974528 U CN 202121974528U CN 216112168 U CN216112168 U CN 216112168U
- Authority
- CN
- China
- Prior art keywords
- ring
- sleeve
- spring
- sealing pipe
- abutting
- 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.)
- Active
Links
Images
Landscapes
- Mechanical Sealing (AREA)
Abstract
The utility model discloses a mechanical sealing structure with a corrugated sealing pipe, which is characterized by comprising a static ring sleeve (7) with a static ring mounting cavity (13), a static ring (9) arranged in the static ring sleeve (7), a moving ring (6) abutted against the static ring (9), an abutting sleeve (10) abutted against the moving ring (6), a spring abutting ring (3) connected with the abutting sleeve (10) through a corrugated sealing pipe (5), a bolt (11) with one end penetrating through the spring abutting ring (3) and then connected with the abutting sleeve (10), and a compression spring (4) sleeved on the bolt (11) and positioned between the abutting sleeve (10) and the spring abutting ring (3). The corrugated sealing pipe is arranged, the pressing spring is arranged in the corrugated sealing pipe, and impurity residues cannot be clamped into the pressing spring to influence the service life of the pressing spring under the protection effect of the corrugated sealing pipe when the corrugated sealing pipe is used.
Description
Technical Field
The utility model relates to the field of mechanical sealing, in particular to a mechanical sealing structure with a corrugated sealing pipe.
Background
The mechanical seal is a device for solving the problem of sealing between a rotating shaft and a machine body, and is formed by at least one pair of end faces perpendicular to the rotating shaft, which are kept to be attached and relatively slide under the action of fluid pressure and the elastic force of a compensation mechanism and under the cooperation of auxiliary sealing, so that the device for preventing fluid leakage is formed. Current mechanical seal all can be provided with the spring between rotating ring and driving sleeve, however, in the chemical industry, the flush fluid contains impurity residue more, and these residues reduce the spring activity in the spring is gone into to easy the card, lead to easily to seal failure and take place to leak in the long term in the past.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides a mechanical sealing structure which can prevent impurities from being clamped into a spring and influencing the service life of the spring.
The purpose of the utility model is realized by the following technical scheme: a mechanical sealing structure with a corrugated sealing pipe comprises a static ring sleeve with a static ring installation cavity, a static ring installed in the static ring sleeve, a movable ring abutted against the static ring, a pressing sleeve abutted against the movable ring, a spring abutting ring connected with the pressing sleeve through the corrugated sealing pipe, a bolt with one end penetrating through the spring abutting ring and then connected with the pressing sleeve, and a compression spring sleeved on the bolt and located between the pressing sleeve and the spring abutting ring; the compression spring is positioned inside the corrugated sealing pipe; the static ring mounting cavity is internally provided with an annular clamping ring, the outer wall of the static ring is provided with an annular clamping groove, and the annular clamping ring is clamped into the annular clamping groove.
And a second sealing ring is arranged between the static ring sleeve and the static ring.
The abutting sleeve is provided with a moving ring installation cavity, and one side of the moving ring is installed in the moving ring installation cavity.
One side of the abutting sleeve far away from the movable ring is provided with an isolating sleeve, and the spring abutting ring is installed on the isolating sleeve.
A first sealing ring is arranged between the spring abutting ring and the isolating sleeve.
The two ends of the corrugated sealing pipe are provided with mounting rings, one end of the corrugated sealing pipe is mounted on the abutting sleeve through the mounting rings, and the other end of the corrugated sealing pipe is mounted on the spring abutting ring through the mounting rings.
And the static ring sleeve and the spring support ring are both provided with mounting holes.
The number of the compression springs is four, and the compression springs are evenly distributed in the circumferential direction.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
(1) the corrugated sealing pipe is arranged, the pressing spring is arranged in the corrugated sealing pipe, and impurity residues cannot be clamped into the pressing spring to influence the service life of the pressing spring under the protection effect of the corrugated sealing pipe when the corrugated sealing pipe is used.
(2) The annular clamping ring is arranged in the static ring sleeve, the static ring is provided with the annular clamping groove, and the sealing property between the static ring sleeve and the static ring can be improved through the matching of the annular clamping ring and the annular clamping groove.
Drawings
Figure 1 is a cross-sectional view of the present invention in use.
Fig. 2 is a cross-sectional view of a stationary ring sleeve of the present invention.
Fig. 3 is a cross-sectional view of a stationary ring of the present invention.
FIG. 4 is a cross-sectional view of the abutment sleeve of the present invention.
The reference numbers in the above figures refer to: the sealing device comprises a rotating shaft, a first sealing ring, a spring abutting ring, a pressing spring, a corrugated sealing pipe, a movable ring, a static ring sleeve, a second sealing ring, a static ring, a pressing sleeve, a bolt, an annular clamping ring, a static ring installation cavity, an annular clamping groove, a separation sleeve and a movable ring installation cavity, wherein the rotating shaft is 1, the first sealing ring is 2, the spring abutting ring is 3, the pressing spring is 4, the corrugated sealing pipe is 5, the movable ring is 6, the static ring sleeve is 7, the second sealing ring is 8, the static ring is 9, the pressing sleeve is 10, the bolt is 11, the annular clamping ring is 12, the static ring installation cavity is 13, the annular clamping groove is 14, the separation sleeve is 15, and the movable ring installation cavity is 16.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Examples
As shown in fig. 1, the mechanical seal structure with the corrugated sealing pipe of the present invention is installed on a rotating shaft 1, and specifically, the mechanical seal structure includes a stationary ring sleeve 7 installed on the rotating shaft 1, a stationary ring installation cavity 13 is arranged on the stationary ring sleeve 7, a stationary ring 9 is installed in the stationary ring installation cavity 13, and the stationary ring 9 is also installed on the rotating shaft 1. Specifically, as shown in fig. 2 and 3, an annular clamping ring 12 is arranged in the stationary ring installation cavity 13, an annular clamping groove 14 is arranged on the outer wall of the stationary ring 9, and the annular clamping ring 12 is clamped into the annular clamping groove 14 during installation. In order to better install the static ring 9, the static ring sleeve 7 consists of an upper part and a lower part, and the upper part and the lower part are connected through bolts; when the device is installed, the upper part sleeve body and the lower part sleeve body are respectively installed on the static ring 9, and then the upper part sleeve body and the lower part sleeve body are locked through bolts.
The mechanical sealing structure also comprises a movable ring 6, a pressing sleeve 10 and a spring pressing ring 3 which are arranged on the rotating shaft 1; as shown in fig. 1, the movable ring 6 abuts against the stationary ring 9, the abutting sleeve 10 abuts against the movable ring 6, and the spring abutting ring 3 is connected to the abutting sleeve 10 through the bellows seal pipe 5. The spring supports and still is connected with bolt 11 on the circle 3, and the one end of this bolt 11 runs through the spring and supports to be connected with supporting tight cover 10 behind the circle 3, and the cover is equipped with pressure spring 4 on the bolt 11, and this pressure spring 4 is located and supports between the circle 3 to being located ripple sealed tube 5 inside promptly. Can protect pressure spring 4 through ripple sealed tube 5, prevent that impurity card from going into in pressure spring 4, influencing pressure spring 4's life. The static ring sleeve 7 and the spring support ring 3 are provided with mounting holes, and the static ring sleeve 7 and the spring support ring 3 are mounted on equipment through the mounting holes during mounting.
As shown in fig. 4, a rotating ring installation cavity 16 is provided on the abutting sleeve 10, and one side of the rotating ring 6 is installed in the rotating ring installation cavity 16. In addition, the side of the abutting sleeve 10 far away from the movable ring 6 is provided with an isolation sleeve 15, and the spring abutting ring 3 is installed on the isolation sleeve 15.
For better installation of the corrugated sealing pipe 5, the two ends of the corrugated sealing pipe 5 are both provided with mounting rings, one end of the corrugated sealing pipe 5 is installed on the abutting sleeve 10 through the mounting rings, and the other end of the corrugated sealing pipe is installed on the spring abutting ring 3 through the mounting rings, as shown in fig. 1.
The compression spring 4 can push the movable ring 6 when the rotating shaft 1 moves, so that the movable ring 6 and the static ring 9 are kept close to each other, and the sealing performance is improved. In order to provide sufficient contact pressure, the number is four and the pressure is uniformly distributed circumferentially.
In order to further improve the sealing performance, a second sealing ring 8 is arranged between the static ring sleeve 7 and the static ring 9, and a first sealing ring 2 is arranged between the spring abutting ring 3 and the isolating sleeve 15.
According to the utility model, the corrugated sealing pipe 5 is arranged, the pressing spring 4 is arranged in the corrugated sealing pipe 5, and under the protection action of the corrugated sealing pipe 5, impurity residues cannot be clamped into the pressing spring 4 to influence the service life of the pressing spring 4 when the sealing device is used, so that the leakage condition is prevented.
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 above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are included in the scope of the claims of the present invention, as long as they do not depart from the idea of the present invention, and they should be regarded as what the present invention protects.
As described above, the present invention can be preferably realized.
Claims (8)
1. A mechanical sealing structure with a corrugated sealing pipe is characterized by comprising a static ring sleeve (7) with a static ring mounting cavity (13), a static ring (9) arranged in the static ring sleeve (7), a movable ring (6) abutted against the static ring (9), a pressing sleeve (10) abutted against the movable ring (6), a spring abutting ring (3) connected with the pressing sleeve (10) through a corrugated sealing pipe (5), a bolt (11) with one end penetrating through the spring abutting ring (3) and then connected with the pressing sleeve (10), and a pressing spring (4) sleeved on the bolt (11) and positioned between the pressing sleeve (10) and the spring abutting ring (3); the compression spring (4) is positioned inside the corrugated sealing pipe (5); the novel clamping device is characterized in that an annular clamping ring (12) is arranged in the static ring installation cavity (13), an annular clamping groove (14) is formed in the outer wall of the static ring (9), and the annular clamping ring (12) is clamped into the annular clamping groove (14).
2. A mechanical seal with a bellows seal according to claim 1, characterized in that a second seal (8) is arranged between the stationary ring (9) and the stationary ring sleeve (7).
3. The mechanical seal structure with the corrugated sealing pipe is characterized in that the abutting sleeve (10) is provided with a movable ring installation cavity (16), and one side of the movable ring (6) is installed in the movable ring installation cavity (16).
4. A mechanical seal structure with a corrugated sealing pipe according to claim 3, characterized in that the side of the abutting sleeve (10) far away from the movable ring (6) is provided with an isolation sleeve (15), and the spring abutting ring (3) is arranged on the isolation sleeve (15).
5. A mechanical seal with a bellows gland according to claim 4, wherein a first sealing ring (2) is arranged between the spring retainer (3) and the spacer sleeve (15).
6. A mechanical seal structure with a corrugated sealing pipe according to claim 5, characterized in that, both ends of the corrugated sealing pipe (5) are provided with mounting rings, one end of the corrugated sealing pipe (5) is mounted on the abutting sleeve (10) through the mounting rings, and the other end is mounted on the spring abutting ring (3) through the mounting rings.
7. A mechanical seal structure with a corrugated sealing pipe according to claim 6, characterized in that the static ring sleeve (7) and the spring support ring (3) are provided with mounting holes.
8. A mechanical seal with a bellows gland according to claim 7, characterized in that the number of said compression springs (4) is four and is uniformly circumferentially distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121974528.0U CN216112168U (en) | 2021-08-20 | 2021-08-20 | Mechanical sealing structure with corrugated sealing pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121974528.0U CN216112168U (en) | 2021-08-20 | 2021-08-20 | Mechanical sealing structure with corrugated sealing pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216112168U true CN216112168U (en) | 2022-03-22 |
Family
ID=80727680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121974528.0U Active CN216112168U (en) | 2021-08-20 | 2021-08-20 | Mechanical sealing structure with corrugated sealing pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216112168U (en) |
-
2021
- 2021-08-20 CN CN202121974528.0U patent/CN216112168U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101257899B1 (en) | Shaft sealing device | |
| US6231048B1 (en) | Mechanical seal incorporating a pusher ring for safe and easy assembly and repair | |
| CN216112168U (en) | Mechanical sealing structure with corrugated sealing pipe | |
| CN216112167U (en) | Axial buffering type mechanical seal structure | |
| CN1975230A (en) | Quick coupling with a compensation of the coupling tolerances | |
| CN205918903U (en) | Mechanical seal | |
| CN219932951U (en) | Rotary shaft sealing element | |
| CN208703129U (en) | A kind of mechanically-sealing apparatus of erosion resistant | |
| CN207554408U (en) | It dredges discharge pump mechanical seal device | |
| CN213298824U (en) | Spring type mechanical seal for sink roll | |
| CN219102033U (en) | Rotary shaft sealing structure | |
| CN206071938U (en) | Vertical mechanical seal for pump | |
| CN101655100A (en) | Integrated mechanical sealing device for pump | |
| CN215334439U (en) | Mechanical sealing device | |
| CN215763291U (en) | Static ring positioning and fixing structure in mechanical sealing element | |
| CN217056691U (en) | Chemical valve with good sealing effect | |
| CN210196455U (en) | Oil seal for sealing bearing | |
| CN216767845U (en) | Mechanical sealing device | |
| CN213628875U (en) | Low-abrasion mechanical seal | |
| CN215763293U (en) | Floating mechanical sealing device | |
| CN217108195U (en) | Oil pump packaging and sealing device | |
| CN217003082U (en) | Mechanical seal of horizontal drying equipment | |
| CN215058415U (en) | Mechanical seal protection architecture of water pump | |
| CN210566254U (en) | Mechanical seal of bearing separation type stirrer | |
| CN218564395U (en) | Mechanical sealing element convenient to change sealing ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |