CN211314491U - Compressor mechanical sealing device and compressor - Google Patents
Compressor mechanical sealing device and compressor Download PDFInfo
- Publication number
- CN211314491U CN211314491U CN201922152958.3U CN201922152958U CN211314491U CN 211314491 U CN211314491 U CN 211314491U CN 201922152958 U CN201922152958 U CN 201922152958U CN 211314491 U CN211314491 U CN 211314491U
- Authority
- CN
- China
- Prior art keywords
- ring
- gland
- sealing
- static
- shaft sleeve
- 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 belongs to a mechanical sealing device, in particular to a mechanical sealing device of a compressor, a static ring sealing ring is arranged in a compressor cavity after being arranged on the periphery of a static ring, and comprises a shaft sleeve surrounding the periphery of a shaft, a sealing end surface A formed by connecting a dynamic ring and the static ring, and a sealing end surface B formed by the dynamic ring and the static ring, wherein the two sealing end surfaces are tightly attached through a spring; the side of rotating ring and rotating ring be connected one respectively and push away the ring, quiet ring is connected with the gland, is equipped with quiet ring seal circle between gland and the quiet ring, install at the gland after quiet ring seal circle is installed on quiet ring, be equipped with a plurality of slots on the axle sleeve, the limiting plate head end is arranged in the slot, through the bolt-up on the gland. The spring box is connected with the shaft sleeve by using the screw, the compression amount is adjustable, and the mechanical seal is basically prevented from being influenced by the crosstalk amount. Except the medium side stationary ring, other parts can be integrally installed, and the mechanical seal is convenient to install.
Description
Technical Field
The utility model belongs to mechanical seal device specifically is a compressor mechanical seal device.
Background
When the seal is in actual work, the seal has higher requirements on swinging and shaft running amount. The clearance between the sealing surface and the shaft sleeve is enlarged, and the damage caused by the collision between the graphite ring and the shaft sleeve due to overlarge swing is avoided as much as possible. The antimony-impregnated graphite is selected, and the end face is changed into a wedge-shaped friction surface, so that the strength, the wear resistance and the impact resistance of the graphite ring are improved. The spring box is connected with the shaft sleeve by using the screw, the compression amount is adjustable, and the mechanical seal is basically prevented from being influenced by the crosstalk amount. Except the medium side stationary ring, other parts can be integrally installed, and the mechanical seal is convenient to install.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model provides a compressor mechanical seal device: the static ring sealing ring A11 is arranged in a compressor cavity after being arranged on the periphery of a static ring A10, and comprises a shaft sleeve 1 surrounding the periphery of a shaft, a sealing end surface A formed by connecting a dynamic ring A12 and a static ring A10, and a sealing end surface B formed by a dynamic ring B13 and a static ring B20, wherein the two sealing end surfaces are tightly attached through a spring 16; the side surfaces of the movable ring A12 and the movable ring B13 are respectively connected with a push ring 14, two ends of the spring 16 are respectively connected with the two push rings 14, and the push rings 14 prevent the movable ring A12 from rotating;
the static ring B20 is connected with the gland 5, a static ring sealing ring B21 is arranged between the gland 5 and the static ring B20, the static ring sealing ring B21 is arranged on the static ring B20 and then is arranged on the gland 5, the static ring B20 and the gland 5 are relatively static, safety, stability and rotation prevention are achieved through a static ring rotation prevention pin, and a leakage point between the static ring B20 and the gland 5 is sealed through interference of the static ring sealing ring B21; a plurality of grooves are formed in the shaft sleeve 1, the head end of the limiting plate 8 is arranged in the grooves and is fastened on the gland 5 through bolts 9, and mechanical sealing, packaging and positioning are carried out; the transmission ring 3 is sleeved on the periphery of the shaft sleeve 1, and the shaft sleeve 1 is transmitted and the shaft is positioned through the set screw 4.
Further: the sealing surface of the shaft sleeve and the shaft is provided with two sealing ring grooves, the shaft sleeve sealing ring 2 is arranged in the sealing ring grooves, and a leakage point between the shaft sleeve 1 and the shaft is sealed through the interference of the shaft sleeve sealing ring 2.
Further: the spring is arranged in a spring box to prevent the spring 16 from twisting, the spring box 15 is fixed on the shaft sleeve 1 through an anti-rotation screw to prevent the spring box 15 from rotating, and a certain play amount can be formed in the axial direction; in addition, two ends of the upper part of the spring box 15 are respectively provided with a fixed pin shaft, the two corresponding push rings 14 are provided with pin holes, and the two pin shafts penetrate through the corresponding pin holes and then the head ends are fixed with a clamp spring 19 to prevent the push rings 14 from separating from the spring box 15.
Further: a rotary shaft lip-shaped sealing ring 7 is arranged between the gland 5 and the shaft sleeve 1 to prevent water from leaking from the shaft sleeve 1.
Further: the gland 5 is sealed by a gland seal 6 and a pump cavity.
Further: a plurality of spring cases 15 and springs are provided between the two push rings 14.
The utility model adopts the design of double-end-face spring and multi-spring balance type structure, and adopts the sealing structure form of the set screw to transmit torque, thus the transmission effect is safe and reliable; the multi-spring is adopted, so that the compensation performance is good, the end surface load is uniform, and the follow-up performance is excellent; because the double-end-face mechanical seal is not in contact with a medium and is designed in a balanced mode, the double-end-face mechanical seal can be lubricated and cooled by sealing liquid, is not influenced by a seal cavity, has good safety and stability, adopts a container design, guarantees the accuracy of a sealing working state, and is convenient and quick to install and eliminates artificial installation errors. The spring box is connected with the shaft sleeve by using the screw, the compression amount is adjustable, and the mechanical seal is basically prevented from being influenced by the crosstalk amount. Except the medium side stationary ring, other parts can be integrally installed, and the mechanical seal is convenient to install.
Drawings
FIG. 1 is an exploded view of the utility model;
in the figure: the anti-rotation shaft sleeve comprises a shaft sleeve 1, a shaft sleeve sealing ring 2, a transmission ring 3, a set screw 4, a gland 5, a gland sealing ring 6, a rotating shaft lip-shaped sealing ring 7, a limiting plate 8, a bolt 9, a static ring A10, a static ring sealing ring A11, a dynamic ring A12, a dynamic ring B13, a push ring 14, a spring box 15, a spring 16, an anti-rotation screw 17, a dynamic ring sealing ring 18, a clamp spring 19, a static ring B20 and a static ring sealing ring B21.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the present invention provides a mechanical sealing device for a compressor, wherein a stationary ring sealing ring a11 is installed in a compressor cavity after being installed on the periphery of a stationary ring a10, the mechanical sealing device comprises a shaft sleeve 1 surrounding the periphery of the shaft, a sealing end face a formed by connecting a movable ring a12 and a stationary ring a10, and a sealing end face B formed by connecting a movable ring B13 and a stationary ring B20, and the two sealing end faces are tightly attached to each other through a spring 16; the side surfaces of the movable ring A12 and the movable ring B13 are respectively connected with a push ring 14, two ends of the spring 16 are respectively connected with the two push rings 14, the push rings 14 prevent the movable ring A12 from rotating, and a movable ring sealing ring 18 is arranged between the movable ring A12 and the shaft sleeve 1.
The static ring B20 is connected with the gland 5, a static ring sealing ring B21 is arranged between the gland 5 and the static ring B20, the static ring sealing ring B21 is arranged on the static ring B20 and then is arranged on the gland 5, the static ring B20 and the gland 5 are relatively static, safety, stability and rotation prevention are achieved through a static ring rotation prevention pin, and a leakage point between the static ring B20 and the gland 5 is sealed through interference of the static ring sealing ring B21; a plurality of grooves are formed in the shaft sleeve 1, the head end of the limiting plate 8 is arranged in the grooves and is fastened on the gland 5 through bolts 9, and mechanical sealing, packaging and positioning are carried out; the driving ring 3 drives the shaft sleeve 1 and positions the shaft through the set screw 4.
The improvement as the scheme is as follows: the sealing surface of the shaft sleeve 1 and the shaft is provided with two sealing ring grooves, the shaft sleeve sealing ring 2 is arranged in the sealing ring grooves, and a leakage point between the shaft sleeve 1 and the shaft is sealed through the interference of the shaft sleeve sealing ring 2.
The improvement as the scheme is as follows: the spring is arranged in a spring box to prevent the spring 16 from twisting, the spring box 15 is fixed on the shaft sleeve 1 through an anti-rotation screw 17 to prevent the spring box 15 from rotating, and a certain movement amount can be provided in the axial direction. In addition, two ends of the upper part of the spring box 15 are respectively provided with a fixed pin shaft, the two corresponding push rings 14 are provided with pin holes, and the two pin shafts penetrate through the corresponding pin holes and then the head ends are fixed with a clamp spring 19 to prevent the push rings 14 from separating from the spring box 15.
The improvement as the scheme is as follows: a rotary shaft lip-shaped sealing ring 7 is arranged between the gland 5 and the shaft sleeve 1 to prevent water from leaking from the shaft sleeve 1. The gland 5 is sealed by a gland seal 6 and a pump cavity. The inner gland 5 is riveted with an anti-rotation pin which is arranged in the static ring B20 to prevent rotation when being installed.
The improvement as the scheme is as follows: a plurality of spring boxes 15 and springs are arranged between the two push rings 14, and the multi-spring push ring has the advantages of good compensation performance, uniform end surface load and excellent following performance.
The utility model adopts the design of double-end-face spring and multi-spring balance type structure, and adopts the sealing structure form of the set screw to transmit torque, thus the transmission effect is safe and reliable; the multi-spring is adopted, so that the compensation performance is good, the end surface load is uniform, and the follow-up performance is excellent; because the double-end-face mechanical seal is not in contact with a medium and is designed in a balanced mode, the double-end-face mechanical seal can be lubricated and cooled by sealing liquid, is not influenced by a seal cavity, has good safety and stability, adopts a container design, guarantees the accuracy of a sealing working state, and is convenient and quick to install and eliminates artificial installation errors. The spring box is connected with the shaft sleeve by using the screw, the compression amount is adjustable, and the mechanical seal is basically prevented from being influenced by the crosstalk amount. Except the medium side stationary ring, other parts can be integrally installed, and the mechanical seal is convenient to install.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A kind of compressor mechanical seal device, characterized by: the static ring sealing ring A (11) is arranged on the periphery of the static ring A (10), the static ring sealing ring further comprises a shaft sleeve (1) surrounding the shaft periphery, a sealing end surface A formed by connecting a moving ring A (12) and the static ring A (10), and a sealing end surface B formed by a moving ring B (13) and a static ring B (20), and the two sealing end surfaces are tightly attached through a spring (16); the side surfaces of the movable ring A (12) and the movable ring B (13) are respectively connected with a push ring (14), two ends of a spring (16) are respectively connected with the two push rings (14), and the push rings (14) prevent the movable ring A (12) from rotating;
the static ring B (20) is connected with the gland (5), a static ring sealing ring B (21) is arranged between the gland (5) and the static ring B (20), the gland (5) is arranged after the static ring sealing ring B (21) is arranged on the static ring B (20), and the static ring B (20) and the gland (5) are relatively static through a static ring anti-rotation pin; a plurality of grooves are formed in the shaft sleeve (1), the head end of the limiting plate (8) is arranged in the grooves and is fastened on the gland (5) through bolts (9); the transmission ring (3) is sleeved on the periphery of the shaft sleeve (1).
2. A mechanical seal for a compressor as claimed in claim 1 wherein: the sealing surface of the shaft sleeve and the shaft is provided with two sealing ring grooves, the shaft sleeve sealing ring (2) is arranged in the sealing ring grooves, and a leakage point between the shaft sleeve (1) and the shaft is sealed through the interference of the shaft sleeve sealing ring (2).
3. A mechanical seal for a compressor as claimed in claim 1 wherein: the spring (16) is arranged in a spring box to prevent the spring box from twisting, the spring box (15) is fixed on the shaft sleeve (1) through an anti-rotation screw to prevent the spring box (15) from rotating, and a certain play amount is formed in the axial direction; in addition, two ends of the upper part of the spring box (15) are respectively provided with a fixed pin shaft, the two corresponding push rings (14) are provided with pin holes, and the head ends of the two pin shafts penetrate through the corresponding pin holes to fix a snap spring (19) so as to prevent the push rings (14) from being separated from the spring box (15).
4. A mechanical seal for a compressor as claimed in claim 1 wherein: a rotary shaft lip-shaped sealing ring (7) is arranged between the gland (5) and the shaft sleeve (1).
5. A mechanical seal for a compressor as claimed in claim 1 wherein: the gland (5) is sealed by a gland sealing ring (6) and a pump cavity.
6. A mechanical seal for a compressor as claimed in claim 1 wherein: a plurality of spring boxes (15) and springs (16) are arranged between the two push rings (14).
7. A compressor, characterized by: comprising a mechanical seal according to any of the preceding claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922152958.3U CN211314491U (en) | 2019-12-05 | 2019-12-05 | Compressor mechanical sealing device and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922152958.3U CN211314491U (en) | 2019-12-05 | 2019-12-05 | Compressor mechanical sealing device and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211314491U true CN211314491U (en) | 2020-08-21 |
Family
ID=72059046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922152958.3U Active CN211314491U (en) | 2019-12-05 | 2019-12-05 | Compressor mechanical sealing device and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211314491U (en) |
-
2019
- 2019-12-05 CN CN201922152958.3U patent/CN211314491U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201434075Y (en) | Assembled type double end surface mechanical seal device | |
| CN104279386B (en) | Piston balance compensating high-speed and high-pressure rotary joint | |
| CN107355415B (en) | Nuclear power condensate pump mechanical seal device | |
| CN203336103U (en) | Piston balance compensation type high-speed and high-pressure rotary connector | |
| CN211314491U (en) | Compressor mechanical sealing device and compressor | |
| CN201330705Y (en) | Mechanical seal structure of Roots vacuum pump | |
| CN103527626B (en) | The reverse stop composite bearing of Self-resetting double-sealing | |
| CN2483560Y (en) | Pressure-compensation type radical sealing device | |
| CN210344284U (en) | Mechanical sealing device of high-speed high-pressure hydraulic pump | |
| CN211599285U (en) | Flange linear bearing | |
| CN208734760U (en) | A kind of mono-directional overrun clutch | |
| CN201651328U (en) | Mechanical seal device convenient to disassemble and assemble | |
| CN105782414A (en) | Comprehensive self-cooled shaft seal system | |
| CN207673710U (en) | Deep groove ball bearing | |
| CN107401617B (en) | Combined sealing device for rotating shaft | |
| CN201598663U (en) | Movable pulley mechanism on diaphragm grab bucket | |
| CN110307340B (en) | Mechanical sealing device of high-speed high-pressure hydraulic pump | |
| CN212080157U (en) | Gas film non-contact double-end-face mechanical seal for fan | |
| CN113898739A (en) | Sealing part for fluid control | |
| CN220910282U (en) | Wet clutch | |
| CN208565563U (en) | A kind of anti-dry friction mechanical sealing of Double End | |
| CN210978876U (en) | High-rotating-speed split type rotary joint | |
| CN206738424U (en) | A kind of shaft coupling of rapid and convenient formula | |
| CN217355547U (en) | High-wear-resistance oil seal | |
| CN205605786U (en) | Synthesize self -cooled gland seal system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |