CN209856381U - External protection integrated mechanical sealing device of compensating spring - Google Patents
External protection integrated mechanical sealing device of compensating spring Download PDFInfo
- Publication number
- CN209856381U CN209856381U CN201822186232.7U CN201822186232U CN209856381U CN 209856381 U CN209856381 U CN 209856381U CN 201822186232 U CN201822186232 U CN 201822186232U CN 209856381 U CN209856381 U CN 209856381U
- Authority
- CN
- China
- Prior art keywords
- ring
- spigot
- static
- spring
- seat
- 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.)
- Withdrawn - After Issue
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 26
- 230000003068 static effect Effects 0.000 claims abstract description 55
- 210000004907 gland Anatomy 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims 1
- 239000002609 medium Substances 0.000 description 8
- 238000004939 coking Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000006163 transport media Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Mechanical Sealing (AREA)
Abstract
The utility model discloses external protection integrated form mechanical seal device of compensating spring, including axle sleeve, rotating ring subassembly, quiet ring compensating spring subassembly, gland, axle sleeve positioning mechanism, its leading features is: the sealing device is characterized in that a ring part (31a) on the right side of a static ring seat (31) is in sliding fit with a shaft hole of a gland (5) and is provided with an O-shaped sealing ring (35), an outer spigot ring (31b) is arranged on the outer side of the ring part (31a) on the right side of the static ring seat (31), a push ring (43) is arranged on the outer spigot ring (31b) in a sliding and rotation-preventing fit mode, a spring box (41) is fixedly installed in a matched mode through an outer spigot (411) and an inner spigot groove (51) formed in the right end of the gland (5), an integrated positioning block (64) is connected to the outer ring surface of a transmission ring (61) and matched with a hanging groove (47) formed in the right end surface of the spring box, a liquid outlet hole (54) leading to a left end cavity (T) of the spring box is formed in the lower portion of the gland (5), a compensating spring is externally arranged and effectively prevents the compensating spring.
Description
Technical Field
The utility model relates to a mechanical seal device, especially be used for the transport medium to be the oil pump of the easy coking of high viscosity, the outer integrated form mechanical seal device of adorning that the sediment stuff pump used to improve leakproofness and life, simple to operate.
Background
Spring mechanical seal that prior art was applied to high viscosity medium oil pump and sediment stuff pump comprises the axle sleeve, the rotating ring subassembly, quiet ring compensation spring, axle sleeve and axle cooperation positioning mechanism, at mechanical seal operation in-process, the medium can leak through quiet ring O shape circle and the sealed terminal surface of sound ring cooperation a small amount, medium and impurity can remain in quiet ring compensation spring department coking, influence the spring compensation effect, serious influence mechanical seal's life, thereby influence the work efficiency of production, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be fit for oil pump, the sediment stuff pump that the transport medium is high viscosity, easy coking and use the integrated form mechanical seal device who prevents compensation spring coking and block up. Effectively prevent the compensation spring from coking and blocking, prolong the service life of the mechanical seal and facilitate installation and use.
The utility model discloses an axle sleeve, rotating ring subassembly, quiet ring compensation spring subassembly, gland, axle sleeve positioning mechanism.
The rotating ring component comprises a rotating ring seat 21, a rotating ring 22, a rotating ring anti-rotation pin 23 and a rotating ring sealing ring 24; the left end of the shaft sleeve 1 is provided with a spigot platform 11, the left end of the movable ring seat 21 is matched with the spigot platform 11 arranged at the left end of the shaft sleeve and is fixedly connected with the spigot platform by a screw 25, the movable ring 22 is fixedly embedded in a movable ring seat inner spigot 211 arranged at the right end of the movable ring seat 21, a movable ring sealing ring 24 is arranged in the movable ring seat inner spigot 211, and a movable ring rotation preventing pin 23 is arranged between the movable ring seat 21 and the movable ring 22.
The static ring component comprises a static ring seat 31, a static ring 32, a static ring anti-rotation pin 33 and a static ring sealing ring 34; the static ring 32 is fixedly embedded in a static ring seat inner spigot 311 arranged at the left end of the static ring seat 31, a static ring seal ring 34 is arranged in the static ring seat inner spigot 311, and a static ring anti-rotation pin 33 is arranged between the static ring seat 31 and the static ring 32; the right circular ring part 31a of the static ring seat 31 is in sliding fit with the shaft hole of the gland 5, and a sealing groove and an O-shaped sealing ring 35 are arranged on the shaft hole of the gland 5.
An outward extension stop ring 31b is provided on the outside of the right annular portion 31a of the stationary ring holder 31.
The static ring compensation spring assembly consists of a spring box 41, a compensation spring 42, a push ring 43 and a push ring anti-rotation pin 44; the spring box 41 is matched and fixedly installed with an inner spigot slot 51 arranged at the right end of the gland 5 through an outer spigot 411, a plurality of spring installation holes 412 are uniformly distributed and arranged on the circumference of the left end face 41a of the spring box 41, the compensation springs 42 are installed in the spring installation holes 412 arranged on the left end face of the spring box 41, the push ring 43 is installed on an outer spigot ring 31b of the static ring seat 31 in a sliding anti-rotation matching manner, the right end of the outer spigot ring 31b of the static ring seat 31 exceeds the left end face 41a of the spring box 41, the thrust of the compensation springs 42 acts on the right end face of the push ring 43, and the push ring 43 elastically compensates for the left axial thrust acting on the static ring seat 31; a push ring rotation preventing pin 44 is provided between the spring case 41 and the push ring 43.
The shaft sleeve positioning mechanism comprises a transmission ring 61 and an integrated positioning block 64; the transmission ring 61 is provided with a transmission ring inner spigot 611, the transmission ring 61 is in positioning fit with the right spigot of the shaft sleeve 1 through the transmission ring inner spigot 611, and the transmission ring 61 and the shaft sleeve 1 are fixedly connected with the pump shaft through a set screw 62; an integrated positioning block 64 is fixedly connected to the outer annular surface of the transmission ring 61 through a screw 63, a hook 64a is arranged on the integrated positioning block 64, and the hook 64a of the integrated positioning block 64 is matched with a hanging groove 47 formed in the right end surface of the spring box 41.
The utility model discloses offer the flush fluid feed liquor hole 53 that accesss to seal end face exocoel Q on the upper portion of gland 5 to wash seal end face exocoel Q.
The utility model discloses set up the play liquid hole 54 that accesss to spring case 41 left end chamber T in the lower part of gland 5. The medium leaked from the O-ring 35 via the matching surface between the shaft hole of the gland 5 and the right circular ring part 31a of the stationary ring seat 31 is effectively discharged from the gland 5 through the left cavity T of the spring box 41 and the liquid outlet 54, thereby preventing the medium from entering the spring mounting hole 412 to coke and block the compensating spring 42 and affecting the elastic compensation effect of the compensating spring 42.
The utility model discloses an integrated locating piece couple 64a and the cooperation of hanging 47 of seting up on the 41 right-hand member face of spring box, make axle sleeve, rotating ring subassembly, quiet ring compensation spring subassembly, gland assemble each other and be in the same place, be convenient for this mechanical seal device transportation and use installation. After the gland 5 of the mechanical seal is fixedly mounted with the pump body, the transmission ring 61 and the shaft sleeve 1 are fixed with the pump shaft through the set screw 62, and then the integrated limit block 64 is detached.
Quiet ring seat 31 outer extension tang ring 31 b's right-hand member exceed the left end face 41a of spring box 41 to make medium and impurity process that spills through sound ring cooperation terminal surface quiet ring seat 31 outer extension tang ring 31b outer end and spring box 41 in the ring surface 41b directly flow out gland 5 outside, medium and impurity can not enter into compensation spring 42 installation cavity, especially in the spring mounting hole 411 of seting up on the spring box 41, prevent that medium and impurity from blockking up compensation spring 42 coking, influence compensation spring 42's elasticity compensation effect.
The utility model discloses compensating spring is external effectively to prevent compensating spring coking and blocks up, improves mechanical seal's life, and the whole integrated package of mechanical seal device is in the same place, and the transportation of being convenient for, installation use, the accuracy of sealed operating condition is guaranteed in the integrated form installation, and simple to operate is swift, eliminates the people for installation error.
The utility model is particularly suitable for the working condition that the pressure is less than or equal to 4.2Mpa, the temperature is less than or equal to 176 ℃, and the rotating speed is less than or equal to 6000 RPM.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Detailed Description
The utility model discloses constitute by axle sleeve, rotating ring subassembly, quiet ring compensation spring subassembly, gland, axle sleeve positioning mechanism.
The rotating ring component consists of a rotating ring seat 21, a rotating ring 22, a rotating ring anti-rotation pin 23 and a rotating ring sealing ring 24; the left end of the shaft sleeve 1 is provided with a spigot platform 11, the left end of the movable ring seat 21 is matched with the spigot platform 11 arranged at the left end of the shaft sleeve and is fixedly connected with the spigot platform by a screw 25, the movable ring 22 is fixedly embedded in a movable ring seat inner spigot 211 arranged at the right end of the movable ring seat 21, a movable ring sealing ring 24 is arranged in the movable ring seat inner spigot 211, and a movable ring rotation preventing pin 23 is arranged between the movable ring seat 21 and the movable ring 22.
The static ring component consists of a static ring seat 31, a static ring 32, a static ring anti-rotation pin 33 and a static ring sealing ring 34, wherein the static ring 32 is fixedly embedded in a static ring seat internal spigot 311 arranged at the left end of the static ring seat 31, the static ring sealing ring 34 is arranged in the static ring seat internal spigot 311, and the static ring anti-rotation pin 33 is arranged between the static ring seat 31 and the static ring 32; the right circular ring part 31a of the stationary ring seat 31 is in sliding fit with the shaft hole of the gland 5, a sealing groove and an O-shaped sealing ring 35 are arranged on the shaft hole of the gland 5, and the O-shaped sealing ring 35 seals the matching surface of the shaft hole of the gland 5 and the right circular ring part 31a of the stationary ring seat 31.
An outward extension stop ring 31b is provided on the outer side (right end) of the right annular portion 31a of the stationary ring holder 31.
The static ring compensation spring assembly consists of a spring box 41, a compensation spring 42, a push ring 43 and a push ring anti-rotation pin 44; the spring box 41 is matched and fixedly installed with an inner spigot slot 51 arranged at the right end of the gland 5 through an outer spigot 411, a plurality of spring installation holes 412 are uniformly distributed and arranged on the circumference of the left end face 41a of the spring box 41, the compensation springs 42 are installed in the spring installation holes 412 arranged on the left end face of the spring box 41, the push ring 43 is installed on an outer spigot ring 31b of the static ring seat 31 in a sliding anti-rotation matching manner, the right end of the outer spigot ring 31b of the static ring seat 31 exceeds the left end face 41a of the spring box 41, the thrust of the compensation springs 42 acts on the right end face of the push ring 43, and the push ring 43 elastically compensates for the left axial thrust acting on the static ring seat 31; a push ring rotation preventing pin 44 is provided between the spring case 41 and the push ring 43.
The shaft sleeve positioning mechanism consists of a transmission ring 61 and an integrated positioning block 64; the transmission ring 61 is provided with a transmission ring inner spigot 611, the transmission ring 61 is in positioning fit with the right spigot of the shaft sleeve 1 through the transmission ring inner spigot 611, and the transmission ring 61 and the shaft sleeve 1 are fixedly connected with the pump shaft through a set screw 62; an integrated positioning block 64 is fixedly connected to the outer annular surface of the transmission ring 61 through a screw 63, a hook 64a is arranged on the integrated positioning block 64, and the hook 64a of the integrated positioning block 64 is matched with a hanging groove 47 formed in the right end surface of the spring box 41.
The upper part of the gland 5 is provided with a flushing liquid inlet hole 53 leading to the outer cavity Q of the sealing end surface.
The lower part of the gland 5 is provided with a liquid outlet hole 54 leading to the left end cavity T of the spring box 41.
Claims (3)
1. External protection integrated form mechanical seal device of compensating spring, including axle sleeve, rotating ring subassembly, quiet ring compensating spring subassembly, gland, axle sleeve positioning mechanism, characterized by:
the rotating ring component comprises a rotating ring seat (21), a rotating ring (22), a rotating ring anti-rotation pin (23) and a rotating ring sealing ring (24); a spigot platform (11) is arranged at the left end of the shaft sleeve (1), the left end of a movable ring seat (21) is matched with the spigot platform (11) arranged at the left end of the shaft sleeve and is fixedly connected with the spigot platform (25) through a screw (25), a movable ring (22) is embedded and fixed in a movable ring seat inner spigot (211) arranged at the right end of the movable ring seat (21), a movable ring sealing ring (24) is arranged in the movable ring seat inner spigot (211), and a movable ring anti-rotation pin (23) is arranged between the movable ring seat (21) and the movable ring (22);
the static ring component comprises a static ring seat (31), a static ring (32), a static ring anti-rotation pin (33) and a static ring sealing ring (34); the static ring (32) is embedded and fixed in a static ring seat inner spigot (311) arranged at the left end of the static ring seat (31), a static ring sealing ring (34) is arranged in the static ring seat inner spigot (311), and a static ring anti-rotation pin (33) is arranged between the static ring seat (31) and the static ring (32); a right circular ring part (31a) of the static ring seat (31) is in sliding fit with a shaft hole of the gland (5), and a sealing groove and an O-shaped sealing ring (35) are arranged on the shaft hole of the gland (5);
an outer extension spigot ring (31b) is arranged on the outer side of the right circular ring part (31a) of the static ring seat (31);
the static ring compensation spring assembly consists of a spring box (41), a compensation spring (42), a push ring (43) and a push ring anti-rotation pin (44); the spring box (41) is matched and fixedly installed with an inner spigot groove (51) formed in the right end of the gland (5) through an outer spigot (411), a plurality of spring installation holes (412) are uniformly distributed and formed in the circumference of the left end face (41a) of the spring box (41), the compensating springs (42) are installed in the spring installation holes (412) formed in the left end face of the spring box (41), the push ring (43) is installed on the outer spigot ring (31b) of the static ring seat (31) in a sliding anti-rotation matched mode, the right end of the outer spigot ring (31b) of the static ring seat (31) exceeds the left end face (41a) of the spring box (41), and the compensating springs (42) act on the right end face of the push ring (43) in a thrust mode; a push ring rotation-proof pin (44) is arranged between the spring box (41) and the push ring (43);
the shaft sleeve positioning mechanism comprises a transmission ring (61) and an integrated positioning block (64); the transmission ring (61) is provided with a transmission ring inner spigot (611), the transmission ring (61) is in positioning fit with the right end spigot of the shaft sleeve (1) through the transmission ring inner spigot (611), and the transmission ring (61) and the shaft sleeve (1) are fixedly connected with the pump shaft through a set screw (62); an integrated positioning block (64) is fixedly connected to the outer annular surface of the transmission ring (61) through a screw (63), a hook (64a) is arranged on the integrated positioning block (64), and the hook (64a) of the integrated positioning block (64) is matched with a hanging groove (47) formed in the right end surface of the spring box (41).
2. The integrated mechanical sealing device with the external protection of the compensation spring as claimed in claim 1, wherein: the upper part of the gland (5) is provided with a washing liquid inlet hole (53) leading to the outer cavity (Q) of the sealing end surface.
3. The integrated mechanical sealing device with the external protection of the compensation spring as claimed in claim 1 or 2, wherein: the lower part of the gland (5) is provided with a liquid outlet hole (54) leading to the left end cavity (T) of the spring box (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822186232.7U CN209856381U (en) | 2018-12-20 | 2018-12-20 | External protection integrated mechanical sealing device of compensating spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822186232.7U CN209856381U (en) | 2018-12-20 | 2018-12-20 | External protection integrated mechanical sealing device of compensating spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209856381U true CN209856381U (en) | 2019-12-27 |
Family
ID=68929232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822186232.7U Withdrawn - After Issue CN209856381U (en) | 2018-12-20 | 2018-12-20 | External protection integrated mechanical sealing device of compensating spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209856381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654229A (en) * | 2018-12-20 | 2019-04-19 | 丹东克隆集团有限责任公司 | The external protection integrated mechanical seal device of counterbalance spring |
-
2018
- 2018-12-20 CN CN201822186232.7U patent/CN209856381U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654229A (en) * | 2018-12-20 | 2019-04-19 | 丹东克隆集团有限责任公司 | The external protection integrated mechanical seal device of counterbalance spring |
| CN109654229B (en) * | 2018-12-20 | 2024-01-16 | 丹东克隆集团有限责任公司 | Compensation spring external protection integrated mechanical sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191227 Effective date of abandoning: 20240116 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191227 Effective date of abandoning: 20240116 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |