CN212106915U - Cooling gland of mechanical seal stationary ring of pump - Google Patents
Cooling gland of mechanical seal stationary ring of pump Download PDFInfo
- Publication number
- CN212106915U CN212106915U CN202020785083.0U CN202020785083U CN212106915U CN 212106915 U CN212106915 U CN 212106915U CN 202020785083 U CN202020785083 U CN 202020785083U CN 212106915 U CN212106915 U CN 212106915U
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- China
- Prior art keywords
- gland
- cooling
- ring
- mechanical seal
- annular
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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
Links
- 210000004907 gland Anatomy 0.000 title claims abstract description 125
- 238000001816 cooling Methods 0.000 title claims abstract description 90
- 238000012856 packing Methods 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 239000000110 cooling liquid Substances 0.000 claims abstract description 21
- 230000003068 static effect Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 10
- 239000002826 coolant Substances 0.000 abstract description 14
- 239000007788 liquid Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 3
- 125000004122 cyclic group Chemical group 0.000 description 10
- 239000000945 filler Substances 0.000 description 6
- 230000008676 import Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model belongs to the pump gland field, relates to a pump mechanical seal stationary ring cooling gland, including annular cooling gland and pump cover, the middle position of the inner ring of the annular cooling gland is provided with a gland ring plate, the gland ring plate is pressed at the shaft shoulder of the big end of the mechanical seal stationary ring, the gland ring plate is provided with a cooling liquid inlet pipe and a cooling liquid outlet pipe; an annular boss is arranged in the middle of the periphery of the annular cooling gland, an annular step platform is arranged on the inner wall of a stepped hole of the pump cover and corresponds to the annular boss, the annular step platform and the annular boss form a packing chamber, a packing gland is arranged above the packing chamber, and sealing packing is filled in the packing chamber; annular cooling gland inner ring, gland ring plate, mechanical seal quiet ring and pump cover enclose city cooling chamber, and the cooling chamber intussuseption is filled with the coolant liquid. The utility model discloses can play the cooling effect to the quiet ring of mechanical seal, prolong the life of the quiet ring of mechanical seal, reduce the cost, reduce maintenance workman's intensity of labour, compact structure moreover, simple to operate is sealed effectual.
Description
Technical Field
The utility model relates to a pump mechanical seal quiet ring cooling gland belongs to quiet ring gland field for the pump.
Background
At present, in the normal use process of a mechanical seal static ring of a pump, due to the fact that operation is not standard or other factors, the temperature of the static part of the mechanical seal is often too high, the mechanical seal is damaged, the mechanical seal cannot work normally, production is affected, the service life of the mechanical seal is short, workers are frequently replaced, and labor intensity is high. Most of the conventional mechanical seal stationary ring gland does not have a cooling function, only plays a role of fixing a stationary ring, has a small amount of mechanical seal stationary ring gland with a cooling function, but has a complex structure and an unsatisfactory sealing effect.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a quiet ring cooling gland of pump mechanical seal, this quiet ring cooling gland of pump mechanical seal can not only play the cooling effect to the quiet ring of mechanical seal, prolongs the life of the quiet ring of mechanical seal, and reduce cost reduces maintenance workman's intensity of labour, compact structure moreover, simple to operate, it is sealed effectual.
The utility model discloses a pump mechanical seal quiet ring cooling gland, install the periphery of the quiet ring of mechanical seal above the pump cover, the pump cover upper surface is equipped with the shoulder hole, and the quiet ring lower part of mechanical seal blocks in a shoulder position of shoulder hole, including cyclic annular cooling gland, cyclic annular cooling gland and pump cover fixed connection, cyclic annular cooling gland inner ring middle part position is equipped with the gland crown plate, and the gland crown plate is pressed in the major part end shaft shoulder department of the quiet ring of mechanical seal to gland crown plate internal diameter and the quiet ring tip of mechanical seal cooperate, the gland crown plate left and right sides is equipped with coolant liquid import pipe and coolant liquid outlet pipe respectively; an annular boss is arranged in the middle of the periphery of the annular cooling gland, an annular step platform is arranged on the inner wall of a stepped hole of the pump cover and corresponds to the annular boss, the annular step platform and the annular boss form a packing chamber, a packing gland is arranged above the packing chamber, the packing gland is fixedly connected with the annular cooling gland, and sealing packing is filled in the packing chamber; annular cooling gland inner ring, gland ring plate, mechanical seal quiet ring and pump cover enclose city cooling chamber, and the cooling chamber intussuseption is filled with the coolant liquid.
During installation, annular cooling gland and pump cover fixed connection, gland ring plate compresses tightly mechanical seal quiet ring, then add the sealing filler in the packing chamber, the sealing filler can be sealing materials such as rubber circle, then install gland additional, gland compresses tightly the sealing filler in the packing chamber, gland and annular cooling gland fixed connection, then annotate the coolant liquid to the cooling chamber through coolant liquid import pipe, coolant liquid import pipe and coolant liquid outlet pipe communicate annular cooling gland inner ring respectively, gland ring plate, the cooling chamber in mechanical seal quiet ring and pump cover wall city, coolant liquid import pipe and coolant liquid outlet pipe cooperation use make the coolant liquid obtain the circulation, better play the cooling effect to mechanical seal quiet ring. The annular cooling gland is integrally connected with the gland ring plate; packing gland includes vertical board and the horizontal plate of body coupling, and vertical board inserts the packing chamber top, and the horizontal plate is placed on cyclic annular cooling gland top, and cyclic annular cooling gland top surface is equipped with the screw hole, and packing gland passes through two fixed connection of a plurality of fastening bolt with cyclic annular cooling gland.
Preferably, annular cooling gland and pump cover fixed connection mode one: the periphery of the annular cooling gland below the annular boss is provided with external threads, the stepped hole wall of the pump cover is provided with internal threads at the position corresponding to the external threads, and the internal threads are in threaded connection with the external threads. The fixed mode is simple, does not have redundant structure, and is fixed comparatively stably, reaches the purpose that compresses tightly fixed mechanical seal quiet ring through the tightening of internal thread and external screw thread.
Preferably, annular cooling gland and pump cover fixed connection mode two: a plurality of placing through holes are uniformly distributed in the top surface of the packing gland, fixing through holes and threaded holes are formed in the positions, corresponding to the placing through holes, of the annular cooling gland and the pump cover respectively, a fastening bolt penetrates through the fixing through holes and is in threaded connection with the threaded hole of the pump cover, and the head end of the fastening bolt is located in the placing through holes.
Preferably, an installation gap is formed between the bottom end of the annular cooling gland and the pump cover, and the installation gap is convenient for the annular cooling gland to be compressed with the mechanical seal static ring.
Preferably, the installation gap is 2mm-6mm, so that the mechanical seal static ring can be pressed and fixed.
Preferably, a first sealing washer is additionally arranged between the gland ring plate and the mechanical sealing static ring, a second sealing washer is arranged between the mechanical sealing static ring and the pump cover, and leakage of cooling liquid can be effectively avoided by additionally arranging the first sealing washer and the second sealing washer.
Preferably, the connection part of the internal thread and the external thread is provided with a sealing element which can be a wound raw material belt or a coated sealant, so that leakage of cooling liquid can be effectively avoided.
Compared with the prior art, the utility model beneficial effect who has is:
the utility model has the advantages of reasonable design, the cooling chamber of annular cooling gland inner ring, gland ring plate, mechanical seal quiet ring and pump cover wall city is filled with the recirculated cooling liquid in the cooling chamber, plays the cooling effect to mechanical seal quiet ring, prolongs the life of mechanical seal quiet ring, reduces the cost, reduces maintenance worker's intensity of labour; and compact structure, convenient installation and good sealing effect.
Drawings
FIG. 1 is a first structural schematic diagram of a pump mechanical seal stationary ring cooling gland;
FIG. 2 is a schematic structural view of a pump mechanical seal stationary ring cooling gland;
FIG. 3 and FIG. 2 are top views of the pump mechanical seal stationary ring cooling gland;
FIG. 4 is an enlarged view of part A of FIG. 1;
fig. 5 and fig. 2 are partially enlarged views of B.
In the figure: 1. a pump cover; 2. cooling liquid; 3. a mechanical seal stationary ring; 4. an annular cooling gland; 5. sealing and filling; 6. a packing gland; 7. a coolant inlet pipe; 8. a gland ring plate; 9. a moving ring; 10. a second sealing washer; 11. a coolant outlet pipe; 12. fastening a second bolt; 13. fastening a first bolt; 14. placing the through hole; 15. an external thread; 16. an internal thread; 17. sealing washer one; 18. and (5) installing a gap.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
as shown in fig. 1-5, the mechanical sealing stationary ring cooling gland of the pump of the present invention is installed at the periphery of the mechanical sealing stationary ring 3 above the pump cover 1, the upper surface of the pump cover 1 is provided with a stepped hole, the lower part of the mechanical sealing stationary ring 3 is clamped at a stepped position of the stepped hole, and comprises an annular cooling gland 4, the annular cooling gland 4 is fixedly connected with the pump cover 1, the middle part of the inner ring of the annular cooling gland 4 is provided with a gland ring plate 8, the gland ring plate 8 is pressed at the shaft shoulder of the large end of the mechanical sealing stationary ring 3, and the inner diameter of the gland ring plate 8 is matched with the small end of the mechanical sealing stationary ring 3, and the left and right sides of the gland ring plate 8 are respectively provided with a cooling liquid inlet pipe 7 and a; an annular boss is arranged in the middle of the periphery of the annular cooling gland 4, an annular step platform is arranged on the inner wall of a stepped hole of the pump cover 1 and corresponds to the annular boss, the annular step platform and the annular boss form a packing chamber, a packing gland 6 is arranged above the packing chamber, the packing gland 6 is fixedly connected with the annular cooling gland 4, and sealing packing 5 is filled in the packing chamber; an annular cooling gland 4 inner ring, a gland ring plate 8, a mechanical seal stationary ring 3 and a pump cover 1 enclose a cooling chamber, and the cooling chamber is filled with cooling liquid 2.
In this embodiment:
there are two kinds of modes of cyclic annular cooling gland 4 and 1 fixed connection of pump cover:
the first fixed connection mode is as follows: as shown in fig. 1 and 4, the outer periphery of the annular cooling gland 4 below the annular boss is provided with an external thread 15, the stepped hole wall of the pump cover 1 is provided with an internal thread 16 at a position corresponding to the external thread 15, and the internal thread 16 is in threaded connection with the external thread 15. The fixing mode is simple, no redundant structure exists, the fixing is stable, and the purpose of compressing and fixing the mechanical seal static ring 3 is achieved through screwing the internal thread 16 and the external thread 15.
And a second fixed connection mode: as shown in fig. 2, 3 and 5, a plurality of placing through holes 14 are uniformly distributed on the top surface of the packing gland 6, fixing through holes and threaded holes are respectively formed in the positions, corresponding to the placing through holes 14, of the annular cooling gland 4 and the pump cover 1, a first fastening bolt 13 penetrates through the fixing through holes and is in threaded connection with the threaded hole of the pump cover 1, and the head end of the first fastening bolt 13 is located in the placing through hole 14.
An installation gap 18 is arranged between the bottom end of the annular cooling gland 4 and the pump cover 1, the installation gap 18 is convenient for the annular cooling gland 4 to be compressed with the mechanical seal static ring 3, the installation gap 18 is 2mm-6mm, and the mechanical seal static ring 3 can be ensured to be compressed and fixed.
Add seal ring one 17 between gland crown plate 8 and the mechanical seal quiet ring 3, set up seal ring two 10 between mechanical seal quiet ring 3 and the pump cover 1, add the setting of seal ring one 17 and seal ring two 10 and can effectively avoid the leakage of coolant liquid 2.
The joint of the internal thread 16 and the external thread 15 is provided with a sealing element which can be a wound raw material belt or a coated sealant, so that the leakage of the cooling liquid 2 can be effectively avoided.
During installation, annular cooling gland 4 and pump cover 1 are fixedly connected through one of two modes, gland ring plate 8 compresses mechanical seal stationary ring 3, then sealing filler 5 is added in the packing chamber, sealing filler 5 can be sealing materials such as rubber rings, then packing gland 6 is additionally installed, packing gland 6 compresses sealing filler 5 in the packing chamber, packing gland 6 and annular cooling gland 4 are fixedly connected, then cooling liquid 2 is injected into the cooling chamber through cooling liquid inlet pipe 7, cooling liquid inlet pipe 7 and cooling liquid outlet pipe 11 are respectively communicated with the annular cooling gland 4 inner ring, gland ring plate 8, cooling liquid 2 is circulated through cooling liquid inlet pipe 7 and cooling liquid outlet pipe 11, and better cooling effect is achieved on mechanical seal stationary ring 3. The annular cooling gland 4 is integrally connected with a gland ring plate 8; gland 6 includes the vertical board and the horizontal plate of body coupling, and vertical board inserts the packing chamber top, and the horizontal plate is placed on 4 tops of cyclic annular cooling gland, and 4 top surfaces of cyclic annular cooling gland are equipped with the screw hole, and gland 6 passes through two 12 fixed connection of a plurality of fastening bolt with cyclic annular cooling gland 4. The cooling liquid inlet pipe 7 and the cooling liquid outlet pipe 11 are arranged in such a length that the normal operation of the movable ring 9 is not affected.
Claims (7)
1. The utility model provides a quiet ring cooling gland of pump mechanical seal, installs the periphery upper portion at the quiet ring of mechanical seal (3) of pump cover (1) top, and pump cover (1) upper surface is equipped with the shoulder hole, and quiet ring of mechanical seal (3) lower part card is in a ladder position of shoulder hole, its characterized in that: the pump cover comprises an annular cooling gland (4), wherein the annular cooling gland (4) is fixedly connected with a pump cover (1), a gland ring plate (8) is arranged in the middle of the inner ring of the annular cooling gland (4), the gland ring plate (8) is pressed at the shaft shoulder of the large end of a mechanical sealing static ring (3), the inner diameter of the gland ring plate (8) is matched with the small end of the mechanical sealing static ring (3), and a cooling liquid inlet pipe (7) and a cooling liquid outlet pipe (11) are respectively arranged on the left side and the right side of the gland ring plate (8); an annular boss is arranged in the middle of the periphery of the annular cooling gland (4), an annular step platform is arranged on the inner wall of a stepped hole of the pump cover (1) and corresponds to the annular boss, a packing chamber is formed by the annular step platform and the annular boss, a packing gland (6) is arranged above the packing chamber, the packing gland (6) is fixedly connected with the annular cooling gland (4), and sealing packing (5) is filled in the packing chamber; an annular cooling gland (4) inner ring, a gland ring plate (8), a mechanical seal static ring (3) and a pump cover (1) enclose a city cooling chamber, and a cooling liquid (2) is filled in the cooling chamber.
2. The mechanical seal stationary ring cooling gland of pump of claim 1, wherein: the periphery of the annular cooling gland (4) below the annular boss is provided with an external thread (15), the stepped hole wall of the pump cover (1) is provided with an internal thread (16) at a position corresponding to the external thread (15), and the internal thread (16) is in threaded connection with the external thread (15).
3. The mechanical seal stationary ring cooling gland of pump of claim 1, wherein: a plurality of through holes (14) are uniformly distributed in the top surface of the packing gland (6), fixing through holes and threaded holes are respectively formed in the positions, corresponding to the through holes (14), of the annular cooling gland (4) and the pump cover (1), fastening bolts (13) penetrate through the fixing through holes and are in threaded connection with the threaded holes of the pump cover (1), and the head ends of the fastening bolts (13) are located in the through holes (14).
4. The mechanical seal static ring cooling gland of pump of claim 2 or 3, wherein: an installation gap (18) is arranged between the bottom end of the annular cooling gland (4) and the pump cover (1).
5. The mechanical seal stationary ring cooling gland of pump of claim 4, wherein: the mounting clearance (18) is 2mm-6 mm.
6. The mechanical seal static ring cooling gland of pump of claim 2 or 3, wherein: a first sealing washer (17) is additionally arranged between the gland ring plate (8) and the mechanical sealing static ring (3), and a second sealing washer (10) is additionally arranged between the mechanical sealing static ring (3) and the pump cover (1).
7. The mechanical seal stationary ring cooling gland of pump of claim 2, characterized in that: and a sealing element is arranged at the joint of the internal thread (16) and the external thread (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020785083.0U CN212106915U (en) | 2020-05-12 | 2020-05-12 | Cooling gland of mechanical seal stationary ring of pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020785083.0U CN212106915U (en) | 2020-05-12 | 2020-05-12 | Cooling gland of mechanical seal stationary ring of pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212106915U true CN212106915U (en) | 2020-12-08 |
Family
ID=73617428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020785083.0U Expired - Fee Related CN212106915U (en) | 2020-05-12 | 2020-05-12 | Cooling gland of mechanical seal stationary ring of pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212106915U (en) |
-
2020
- 2020-05-12 CN CN202020785083.0U patent/CN212106915U/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: 20201208 |