CN221003130U - Roots vacuum pump composite seal sleeve - Google Patents
Roots vacuum pump composite seal sleeve Download PDFInfo
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- CN221003130U CN221003130U CN202322653735.1U CN202322653735U CN221003130U CN 221003130 U CN221003130 U CN 221003130U CN 202322653735 U CN202322653735 U CN 202322653735U CN 221003130 U CN221003130 U CN 221003130U
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- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of vacuum pumps, in particular to a Roots vacuum pump composite sealing sleeve, which comprises the following components: the pump body is provided with a pump cover on the left side, a support frame is arranged below the pump body, a base is arranged below the support frame, an oil tank is arranged on the right side of the pump body, a bearing is arranged on the right side of the pump body, a first connecting plate is arranged on the right side of the pump body, a second connecting plate is arranged on the right side of the first connecting plate, and a motor is arranged on the right side of the second connecting plate; through being provided with the lip seal circle on the right side of connecting plate one to be provided with rubber lug one in the below of lip seal circle, increased the leakproofness of device, the left side of elastic column and spring is provided with the rubber pad two, and the connection pad has increased the leakproofness between connecting plate one and the connecting plate two, avoids sealing performance difference between connecting plate one and the connecting plate two, causes the liquid gas to reveal.
Description
Technical Field
The utility model relates to the technical field of vacuum pumps, in particular to a composite sealing sleeve of a Roots vacuum pump.
Background
The Roots vacuum pump is a variable-capacity vacuum pump which is provided with two blade-shaped rotors which synchronously rotate in opposite directions, fine gaps are reserved between the rotors and the inner wall of a pump shell and are not contacted with each other, the Roots vacuum pump is tested for long-term operation on devices such as petroleum, chemical industry, plastics, pesticides, turbine rotor dynamic balance, aerospace space simulation and the like, and the composite sealing sleeve can increase the tightness of the interior of the Roots vacuum pump.
Chinese patent CN205315262U discloses a roots vacuum pump, including inner shell and shell body, the shell body cover is established outside the inner shell body, be equipped with the rotor in the inner shell body, be equipped with radiating component on the outer wall of inner shell body, the top of inner shell body is equipped with the inlet scoop that runs through the shell body, be equipped with curved chamber of airing exhaust between the bottom of inner shell body and one side of shell body, the bottom of chamber of airing exhaust is equipped with first air exit, the side of chamber of airing exhaust is equipped with the second air exit, the position department that is located between first air exit and the second air exit in the intracavity of airing exhaust is equipped with the control valve, the bottom of shell body one side is equipped with the intake pipe, be equipped with the refrigerator in the intake pipe, the top of shell body opposite side is equipped with the outlet duct.
However, the Roots vacuum pump in the above patent does not have a complete sealing device, and because the device lacks a composite sealing sleeve, the Roots vacuum pump can leak liquid and vapor in the Roots vacuum pump due to poor sealing performance, so that internal parts of the Roots vacuum pump are damaged, and the Roots vacuum pump cannot work.
Disclosure of utility model
The utility model aims to provide a Roots vacuum pump composite sealing sleeve to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A roots vacuum pump composite seal cartridge comprising: the pump body is provided with a pump cover on the left side, a support frame is arranged below the pump body, a base is arranged below the support frame, an oil tank is arranged on the right side of the pump body, a bearing is arranged on the right side of the pump body, a first connecting plate is arranged on the right side of the pump body, a second connecting plate is arranged on the right side of the first connecting plate, and a motor is arranged on the right side of the second connecting plate;
The right side of the first connecting plate is provided with a first lip-shaped sealing ring, the right side of the first lip-shaped sealing ring is provided with a first rubber pad, a first rubber lug is arranged below the first lip-shaped sealing ring, and the right side of the first rubber pad is provided with a connecting block;
the left side of connecting plate two is provided with the bolt, and the left side of connecting plate two is provided with the elastic column, and the outer wall of elastic column is provided with the spring, and the left side of connecting plate two is provided with the connection pad.
Preferably, the left side of the pump body is detachably connected with the pump cover, a plurality of supporting frames are fixedly connected above the base, the upper right end of the pump body is detachably connected with the oil tank, and the outer wall of the right side of the pump body is detachably connected with the first connecting plate.
Preferably, a second placing groove is formed in the outer wall of the right side of the first connecting plate, the upper end and the lower end of the left side of the second placing groove are symmetrically and fixedly connected with first rubber lugs, and a lip-shaped sealing ring is detachably connected between the first rubber lugs.
Preferably, the right sides of the two rubber bumps I are fixedly connected with a rubber bump II, a connecting groove is formed below the rubber pad I, the middle of the two rubber bumps II is detachably connected with the rubber pad I, and a plurality of grooves are formed in the outer walls of the right sides of the two rubber pads I.
Preferably, the left side outer wall of the second connecting plate is fixedly connected with the right end outer wall of the connecting pad, the left side of the connecting pad is in contact connection with the second rubber pad, and the left side outer wall of the second rubber pad is fixedly connected with a plurality of connecting blocks.
Preferably, each connecting block is connected in a plugging manner in the groove, the left outer wall of the second connecting plate is provided with a first placing groove, the first placing groove is fixedly connected with a placing box, and one end of the elastic column is fixedly connected with the inside of the placing box.
Preferably, the other end of the elastic column is fixedly connected with the second rubber pad, the outer wall of the elastic column is fixedly connected with a spring, and the left side of the spring is fixedly connected with the right end of the second rubber pad.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the lip-shaped sealing ring is arranged on the right side of the first connecting plate, the rubber protruding block I is arranged below the lip-shaped sealing ring, so that the tightness of the device is improved, the rubber pad II is arranged on the left side of the elastic column and the spring, the tightness between the first connecting plate and the second connecting plate is improved by the connecting pad, and the leakage of liquid and vapor caused by poor tightness between the first connecting plate and the second connecting plate is avoided.
Drawings
FIG. 1 is a schematic front view of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a portion of the structure of the present utility model;
Fig. 3 is an enlarged view of the structure of the area a in fig. 2 according to the present utility model.
In the figure: 1. a pump cover; 2. a base; 3. a support frame; 4. an oil tank; 5. a first connecting plate; 6. a motor; 7. a second connecting plate; 8. a pump body; 9. a bolt; 11. a bearing; 12. lip-type sealing ring; 13. a first rubber pad; 14. a second rubber pad; 15. a first rubber bump; 16. a second rubber bump; 17. a connecting block; 18. a connection pad; 19. placing a first groove; 20. an elastic column; 21. a spring; 22. placing a box; 23. a groove; 24. a connecting groove; 25. and a second placing groove.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 1 to 3, the present utility model provides a technical solution: a roots vacuum pump composite seal cartridge comprising: pump body 8, the left side of pump body 8 is provided with pump cover 1, the below of pump body 8 is provided with support frame 3, support frame 3 can be with pump body 8 and pump cover 1 fixed in the top of base 2, the below of support frame 3 is provided with base 2, the right side of pump body 8 is provided with oil tank 4, the right side of pump body 8 is provided with bearing 11, the right side of pump body 8 is provided with connecting plate one 5, the right side of connecting plate one 5 is provided with connecting plate two 7, the right side of connecting plate two 7 is provided with motor 6, the left side of pump body 8 is in the same place with pump cover 1 detachable connection, the top fixed connection of base 2 a plurality of support frame 3, the right-hand member top of pump body 8 is in the same place with oil tank 4 detachable connection, the right side outer wall of pump body 8 is in the same place with connecting plate one 5.
In addition, the right side of connecting plate one 5 is provided with lip type sealing washer 12, the right side of lip type sealing washer 12 is provided with rubber first 13, the below of lip type sealing washer 12 is provided with rubber lug one 15, rubber lug 15 can increase the leakproofness with lip type sealing washer 12, the right side of rubber lug one 13 is provided with connecting block 17, standing groove two 25 have been seted up to the right side outer wall of connecting plate one 5, the left side upper and lower both ends symmetry fixed connection rubber lug one 15 of standing groove two 25, the middle of two rubber lugs one 15 is dismantled and is connected with lip type sealing washer 12, the right side of two rubber lugs one 15 all fixedly connected with rubber lug two 16, rubber lug two 16 and rubber pad two 14 can play multiple seal's effect between connecting plate one 5 and the connecting plate two 7, connecting groove 24 has been seted up to the below of rubber lug one 13, the middle and rubber lug one 13 are dismantled and are connected together, a plurality of recess 23 has been seted up to the right side outer wall of two rubber lugs one 13.
And the left side of connecting plate two 7 is provided with bolt 9, the left side of connecting plate two 7 is provided with elastic column 20, the outer wall of elastic column 20 is provided with spring 21, the left side of connecting plate two 7 is provided with connection pad 18, the left side outer wall of connecting plate two 7 and the right-hand member outer wall fixed connection of connection pad 18, the left side of connection pad 18 contacts and is connected with rubber pad two 14, rubber pad two 14 left side outer wall fixedly connected with a plurality of connecting block 17, every connecting block 17 all peg graft and connect in the inside of recess 23, standing groove one 19 has been seted up to the left side outer wall of connecting plate two 7, the inside fixedly connected with of standing groove one 19 places case 22, the inside fixedly connected with elastic column 20 of standing case 22 one end, elastic column 20 and spring 21 self have elasticity, can play the extrusion effect to rubber pad two 14, increase the inside compactness of connecting block 17 and recess 23, the other end and the rubber pad two 14 fixed connection together of elastic column 20, the outer wall fixed connection spring 21 of elastic column 20, the left side fixed connection of spring 21 is at the right-hand member of rubber pad two 14.
When the device works, the lip-shaped sealing ring 12 is placed in the first connecting plate 5, the first rubber lug 15 is connected with the lip-shaped sealing ring 12 in a plugging manner, the first rubber pad 13 is connected with the second rubber lug 16 in a plugging manner, the second connecting plate 7 is pushed to move the elastic column 20 and the spring 21 to the left side to provide elastic force, the second rubber pad 14 is moved to the left side, the connecting block 17 is connected with the groove 23 in a plugging manner, the connecting pad 18 can seal a gap between the first connecting plate 5 and the second connecting plate 7, the tightness between the first connecting plate 5 and the second connecting plate 7 is enhanced, the second connecting plate 7 is tightly connected with the first connecting plate 5 after the second connecting plate 7 is tightly connected with the first connecting plate 5, the second connecting plate 7 can be tightly connected with the first connecting plate 5, leakage of liquid gas in the device is avoided, damage is caused to parts in the device, and the use of the device is affected.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A roots vacuum pump composite seal cartridge comprising: pump body (8), the left side of pump body (8) is provided with pump cover (1), and the below of pump body (8) is provided with support frame (3), and the below of support frame (3) is provided with base (2), its characterized in that: the right side of the pump body (8) is provided with an oil tank (4), the right side of the pump body (8) is provided with a bearing (11), the right side of the pump body (8) is provided with a first connecting plate (5), the right side of the first connecting plate (5) is provided with a second connecting plate (7), and the right side of the second connecting plate (7) is provided with a motor (6);
The right side of the first connecting plate (5) is provided with a first lip-shaped sealing ring (12), the right side of the first lip-shaped sealing ring (12) is provided with a first rubber pad (13), the lower part of the first lip-shaped sealing ring (12) is provided with a first rubber bump (15), and the right side of the first rubber pad (13) is provided with a connecting block (17);
The left side of connecting plate two (7) is provided with bolt (9), and the left side of connecting plate two (7) is provided with elastic column (20), and the outer wall of elastic column (20) is provided with spring (21), and the left side of connecting plate two (7) is provided with connecting pad (18).
2. The Roots vacuum pump composite seal cartridge of claim 1, wherein: the left side of the pump body (8) is detachably connected with the pump cover (1), a plurality of supporting frames (3) are fixedly connected above the base (2), the right end upper part of the pump body (8) is detachably connected with the oil tank (4), and the right outer wall of the pump body (8) is detachably connected with the first connecting plate (5).
3. The Roots vacuum pump composite seal cartridge of claim 1, wherein: a second placing groove (25) is formed in the outer wall of the right side of the first connecting plate (5), the upper end and the lower end of the left side of the second placing groove (25) are symmetrically and fixedly connected with a first rubber lug (15), and a lip-shaped sealing ring (12) is detachably connected between the two first rubber lugs (15).
4. The Roots vacuum pump composite seal cartridge of claim 1, wherein: the right sides of the two rubber convex blocks I (15) are fixedly connected with a rubber convex block II (16), a connecting groove (24) is formed below the rubber cushion I (13), the middle of the two rubber convex blocks II (16) is detachably connected with the rubber cushion I (13), and a plurality of grooves (23) are formed in the outer walls of the right sides of the two rubber cushion I (13).
5. The Roots vacuum pump composite seal cartridge of claim 1, wherein: the left outer wall of the second connecting plate (7) is fixedly connected with the right outer wall of the connecting pad (18), the left side of the connecting pad (18) is in contact connection with the second rubber pad (14), and the left outer wall of the second rubber pad (14) is fixedly connected with a plurality of connecting blocks (17).
6. The Roots vacuum pump composite seal cartridge of claim 5, wherein: every connecting block (17) all connect in the inside of recess (23) in the grafting, and standing groove one (19) have been seted up to the left side outer wall of connecting plate two (7), and the inside fixedly connected with of standing groove one (19) places case (22), and the inside fixedly connected elastic column (20) of placing case (22) one end.
7. The Roots vacuum pump composite seal cartridge of claim 1, wherein: the other end of the elastic column (20) is fixedly connected with the second rubber pad (14), the outer wall of the elastic column (20) is fixedly connected with a spring (21), and the left side of the spring (21) is fixedly connected with the right end of the second rubber pad (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322653735.1U CN221003130U (en) | 2023-09-28 | 2023-09-28 | Roots vacuum pump composite seal sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322653735.1U CN221003130U (en) | 2023-09-28 | 2023-09-28 | Roots vacuum pump composite seal sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221003130U true CN221003130U (en) | 2024-05-24 |
Family
ID=91085971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322653735.1U Active CN221003130U (en) | 2023-09-28 | 2023-09-28 | Roots vacuum pump composite seal sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221003130U (en) |
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2023
- 2023-09-28 CN CN202322653735.1U patent/CN221003130U/en active Active
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