CN218598351U - Double-seal type pump cover - Google Patents
Double-seal type pump cover Download PDFInfo
- Publication number
- CN218598351U CN218598351U CN202222800124.0U CN202222800124U CN218598351U CN 218598351 U CN218598351 U CN 218598351U CN 202222800124 U CN202222800124 U CN 202222800124U CN 218598351 U CN218598351 U CN 218598351U
- Authority
- CN
- China
- Prior art keywords
- pump
- wall
- pump cover
- seal ring
- cover body
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 230000000694 effects Effects 0.000 claims abstract description 18
- 230000008602 contraction Effects 0.000 claims description 8
- 230000009977 dual effect Effects 0.000 claims 6
- 230000005489 elastic deformation Effects 0.000 abstract description 9
- 230000007774 longterm Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model provides a double containment formula pump cover relates to subassembly technical field for the pump, a double containment formula pump cover, including the pump cover body, the outer wall connection of pump cover body has the connecting block, the front of pump cover body is connected with first seal ring, one side of first seal ring is provided with second seal ring. The utility model discloses, utilize first seal ring and second seal ring to carry out double sealing to pump one end, improved the utility model discloses a leakproofness, and the one end of activity backing plate can be pressed and move the inside to flexible groove for the spring is compressed by the one end of fixed plate in the shrink cavity, and the elastic deformation who utilizes the spring makes the one end and the pump outer wall of activity backing plate closely laminate, makes the utility model discloses in long-term use, the second seal ring receives the back activity backing plate of wearing and tearing ejecting by the spring, cuts off the space that second seal ring wearing and tearing produced, the second seal ring who keeps and the sealed between the pump.
Description
Technical Field
The utility model relates to a subassembly technical field for the pump especially relates to a double containment formula pump cover.
Background
The pump is a machine for conveying fluid or pressurizing fluid, and it can transfer the mechanical energy of prime mover or other external energy to the liquid to make the liquid energy increase, and the pump cover is one of the important components of the pump to ensure the tightness of the interior of the pump.
However, in the prior art, a single sealing washer is usually arranged at the joint between the existing pump cover and the pump, the sealing performance is low, and the sealing washer is aged and worn in the long-term use process, so that a gap is generated between the pump cover and the pump, liquid in the pump is easily leaked, and the normal use of the pump is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, utilize first seal ring and second seal ring to carry out double sealing to pump one end, improved the utility model discloses a leakproofness, and the one end of activity backing plate can be pressed and move the inside to flexible groove for the spring is compressed by the one end of fixed plate in the shrink intracavity, and the elastic deformation who utilizes the spring makes the one end of activity backing plate closely laminate with the pump outer wall, makes the utility model discloses in long-term use, the second seal ring receives wearing and tearing back activity backing plate ejecting by the spring, cuts off the space that second seal ring wearing and tearing produced, and the second seal ring who keeps and the sealed between the pump avoid the leakage of pump as far as possible, have improved the utility model discloses time stability in use.
In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a double containment formula pump cover, includes the pump cover body, the outer wall connection of pump cover body has the connecting block, the front of pump cover body is connected with first seal ring, one side of first seal ring is provided with second seal ring, second seal ring's outer wall is provided with flexible groove, the inner wall connection in flexible groove has the fixed plate, the inside swing joint in flexible groove has movable backing plate, the inside of movable backing plate is provided with the shrink chamber, one side outer wall that movable backing plate was run through to the one end of fixed plate and the inner wall swing joint in shrink chamber.
In a preferred embodiment, the outer wall of the connecting block is provided with a fixing hole, and the inner wall of the fixing hole is provided with a movable groove in a penetrating manner.
The technical effect of adopting the further scheme is as follows: the movable groove on the connecting block is fixedly connected with the mounting hole on the pump through a bolt.
As a preferred embodiment, a spring is arranged inside the contraction cavity, one end of the spring is connected with the inner wall of the contraction cavity, and the other end of the spring is connected with one end of the fixing plate.
The technical effect of adopting the further scheme is as follows: utilize the elastic deformation of spring to make the one end of movable backing plate closely laminate with the pump outer wall, make the utility model discloses in long-term use, the second seal ring receives wearing and tearing back movable backing plate ejecting by the spring, cuts off the space that the second seal ring wearing and tearing produced, and the second seal ring who keeps and the sealing between the pump have improved the utility model discloses time stability in use.
As a preferred embodiment, a shaft hole penetrates through the center of the front surface of the pump cover body, and a sealing rubber sleeve is connected to the inner wall of the shaft hole.
The technical effect of adopting the further scheme is as follows: the axle head of pump passes the inside in shaft hole, and the contact of the inner wall of outer wall of axle and sealed gum cover extrudees the elasticity ball, utilizes the elastic deformation of elasticity ball to make the outer wall and the outer wall in close contact with of sealed gum cover for the pump cover body is difficult for droing when the installation, and convenient to use person carries out follow-up installation, has made things convenient for user's use.
In a preferred embodiment, an elastic ball is connected inside the sealing rubber sleeve.
The technical effect of adopting the further scheme is as follows: the outer wall of the sealing rubber sleeve is in close contact with the outer wall of the shaft by utilizing the elastic deformation of the elastic ball, so that the pump cover body is not easy to fall off when being installed.
As a preferred embodiment, the number of the connecting blocks is six, and the six connecting blocks are arranged on the outer wall of the pump cover body in an equidistant circumferential array.
The technical effect of adopting the further scheme is as follows: make the utility model discloses connect more firmly.
Compared with the prior art, the utility model has the advantages and positive effects that,
the utility model discloses, carry out zonulae occludens with the pump in the front of pump cover body, first seal ring and second seal ring's outer wall and pump outer wall in close contact with utilize first seal ring and second seal ring to carry out double sealing to pump one end, improved the utility model discloses a leakproofness, and the one end of activity backing plate can be pressed and move the inside of flexible groove for the spring is compressed by the one end of fixed plate in the shrink intracavity, utilizes the elastic deformation of spring to make the one end and the pump outer wall of activity backing plate closely laminate, makes the utility model discloses in long-term use, the second seal ring receives wearing and tearing back activity backing plate ejecting by the spring, cuts off the space that second seal ring wearing and tearing produced, and the second seal ring that keeps seals between with the pump, avoids the leakage of pump as far as possible, has improved the utility model discloses time stability in use.
Drawings
Fig. 1 is a schematic perspective view of a double-sealed pump cover according to the present invention;
fig. 2 is a schematic perspective rear view structure diagram of a dual-seal pump cover provided by the present invention;
fig. 3 is a side view of the internal structure of the dual-seal pump cover according to the present invention;
fig. 4 is the utility model provides a pair of a structure enlargements in double containment formula pump cover fig. 3.
Illustration of the drawings:
1. a pump cover body; 11. a first sealing gasket; 12. a second sealing gasket; 121. a telescopic groove; 122. a fixing plate; 13. a movable base plate; 131. a contracting cavity; 132. a spring; 14. a shaft hole; 141. sealing the rubber sleeve; 142. an elastic ball; 2. connecting blocks; 21. a movable groove; 22. and (7) fixing holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-4, the utility model provides a technical solution: a double-sealing type pump cover comprises a pump cover body 1, wherein the outer wall of the pump cover body 1 is connected with a connecting block 2, the front side of the pump cover body 1 is connected with a first sealing washer 11, one side of the first sealing washer 11 is provided with a second sealing washer 12, after the front side of the pump cover body 1 is tightly connected with a pump, the outer walls of the first sealing washer 11 and the second sealing washer 12 are tightly contacted with the outer wall of the pump, one end of the pump is double-sealed by the first sealing washer 11 and the second sealing washer 12, the sealing performance of the utility model is improved, the outer wall of the second sealing washer 12 is provided with a telescopic groove 121, the inner wall of the telescopic groove 121 is connected with a fixing plate 122, the inner part of the telescopic groove 121 is movably connected with a movable cushion plate 13, the inner part of the movable cushion plate 13 is provided with a contraction cavity 131, one end of the fixing plate 122 penetrates through the outer wall of one side of the movable cushion plate 13 and is movably connected with the inner wall of the contraction cavity 131, the inside in shrink chamber 131 is provided with spring 132, the one end of spring 132 and the interior wall connection who contracts chamber 131, the other end and the one end of fixed plate 122 of spring 132 are connected, the one end of activity backing plate 13 can be pressed and flexible to the inside of flexible groove 121, make spring 132 compressed by the one end of fixed plate 122 in shrink chamber 131, utilize the elastic deformation of spring 132 to make the one end and the pump outer wall of activity backing plate 13 closely laminate, make the utility model discloses in long-term use, activity backing plate 13 is ejecting by spring 132 after second seal ring 12 receives wearing and tearing, cuts off the space that second seal ring 12 wearing and tearing produced, and the second seal ring 12 that keeps and the sealing between the pump avoid the leakage of pump as far as possible, have improved the utility model discloses time stability in use.
Example 2
As shown in fig. 1-4, the outer wall of the connection block 2 is provided with a fixing hole 22, the inner wall of the fixing hole 22 is provided with a movable groove 21 in a penetrating manner, the number of the connection blocks 2 is six, six equidistant circumferential arrays of the connection blocks 2 are arranged on the outer wall of the pump cover body 1, the movable groove 21 on the connection block 2 and the mounting hole on the pump are fixedly connected through bolts, the front center of the pump cover body 1 is provided with a shaft hole 14 in a penetrating manner, the inner wall of the shaft hole 14 is connected with a sealing rubber sleeve 141, the inner part of the sealing rubber sleeve 141 is connected with an elastic ball 142, the shaft end of the pump penetrates through the inner part of the shaft hole 14, the outer wall of the shaft is in contact with the inner wall of the sealing rubber sleeve 141 to extrude the elastic ball 142, the outer wall of the sealing rubber sleeve 141 is in close contact with the outer wall of the shaft by utilizing the elastic deformation of the elastic ball 142, so that the pump cover body 1 is not easy to fall off when being mounted, and the user can carry out subsequent mounting, and the use of the user is facilitated.
The working principle is as follows:
as shown in fig. 1-4, the utility model discloses when using, the user installs pump cover body 1 and pump, the mounting hole that utilizes movable groove 21 on connecting block 2 and pump carries out fixed connection through the bolt, carry out zonulae occludens with the pump in the front of pump cover body 1, the outer wall and the pump outer wall in close contact with of first seal ring 11 and second seal ring 12, utilize first seal ring 11 and second seal ring 12 to carry out double sealing to pump one end, improved the utility model discloses a leakproofness, and movable backing plate 13's one end can be pressed flexible to the inside of flexible groove 121, make spring 132 in shrink chamber 131 by the one end compression of fixed plate 122, utilize the elastic deformation of spring 132 to make movable backing plate 13's one end and the pump outer wall in closely laminate, make the utility model discloses in long-term use, second seal ring 12 receives wearing and tearing back movable backing plate 13 ejecting by spring 132, cut off the space that second seal ring 12 wearing and tearing produced, the sealing between second seal ring 12 that keeps and the pump, the leakage of pump is avoided the pump as far as possible, the utility model discloses use stability when using, the pump passes the inside outer wall of pump and the outer wall of the sealed axle that the axle contact with the pump, make things convenient for the elastic sleeve 142 outer wall of the elastic sleeve 142 that the user that the elastic sleeve that the outer wall comes into contact with the pump, make things convenient for the pump installation, make things convenient for the pump cover outer wall of the pump, make use, make the subsequent elastic sleeve 142, make the pump cover outer wall of the use of the elastic sleeve 142 that the installation use of the elastic sealing of the pump cover that the elastic sealing installation, make it comes off.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the equivalent embodiments modified or modified by the above technical contents disclosed as equivalent variations to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a dual containment formula pump cover, includes pump cover body (1), its characterized in that: the pump cover comprises a pump cover body (1) and is characterized in that a connecting block (2) is connected to the outer wall of the pump cover body (1), a first sealing washer (11) is connected to the front side of the pump cover body (1), a second sealing washer (12) is arranged on one side of the first sealing washer (11), a telescopic groove (121) is formed in the outer wall of the second sealing washer (12), a fixing plate (122) is connected to the inner wall of the telescopic groove (121), a movable base plate (13) is movably connected to the inner portion of the telescopic groove (121), a contraction cavity (131) is formed in the movable base plate (13), and one end of the fixing plate (122) penetrates through the outer wall of one side of the movable base plate (13) and the inner wall of the contraction cavity (131) in a movable mode.
2. A dual sealing pump cap according to claim 1, wherein: the outer wall of connecting block (2) is provided with fixed orifices (22), the inner wall of fixed orifices (22) runs through and is provided with activity groove (21).
3. A dual sealing pump cap according to claim 1, wherein: the inner part of the contraction cavity (131) is provided with a spring (132), one end of the spring (132) is connected with the inner wall of the contraction cavity (131), and the other end of the spring (132) is connected with one end of the fixing plate (122).
4. A dual sealing pump cap according to claim 1, wherein: the pump cover is characterized in that a shaft hole (14) penetrates through the center of the front face of the pump cover body (1), and a sealing rubber sleeve (141) is connected to the inner wall of the shaft hole (14).
5. The dual sealing pump cover according to claim 4, wherein: an elastic ball (142) is connected inside the sealing rubber sleeve (141).
6. A dual sealing pump cap according to claim 1, wherein: the number of the connecting blocks (2) is six, and the connecting blocks (2) are arranged on the outer wall of the pump cover body (1) in an equidistant circumferential array mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222800124.0U CN218598351U (en) | 2022-10-24 | 2022-10-24 | Double-seal type pump cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222800124.0U CN218598351U (en) | 2022-10-24 | 2022-10-24 | Double-seal type pump cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218598351U true CN218598351U (en) | 2023-03-10 |
Family
ID=85405050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222800124.0U Expired - Fee Related CN218598351U (en) | 2022-10-24 | 2022-10-24 | Double-seal type pump cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218598351U (en) |
-
2022
- 2022-10-24 CN CN202222800124.0U patent/CN218598351U/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 |
Granted publication date: 20230310 |