CN209925697U - Outlet valve of spiral centrifugal pump - Google Patents
Outlet valve of spiral centrifugal pump Download PDFInfo
- Publication number
- CN209925697U CN209925697U CN201920760498.XU CN201920760498U CN209925697U CN 209925697 U CN209925697 U CN 209925697U CN 201920760498 U CN201920760498 U CN 201920760498U CN 209925697 U CN209925697 U CN 209925697U
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- valve body
- valve
- centrifugal pump
- spring
- case
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Abstract
The utility model discloses a screw centrifugal pump outlet valve, which comprises a valve body, the one end of valve body is equipped with the screw thread installation department, afterbody guard ring is installed to the other end block of valve body, the end of screw thread installation department clamps the sealing washer, the sealing washer is O shape rubber seal, be equipped with the liquid runner in the valve body, the liquid runner is for "expand-receive-expand" formula design, the mid-mounting of liquid runner has the case, the case is the hunch form door-shaped, install the spring in the case, the bottom of spring sets up in the recess on the valve plate, the spring is the double pressure spring, both ends set up respectively to liquid inlet and liquid outlet about the valve body. The utility model provides a helico-centrifugal pump outlet valve simple structure is reasonable, and the design of screw thread installation department makes the installation of valve body more convenient firm, and the setting up of hunch form door-shaped case makes the structure use more stable, the later stage structural maintenance and the change of also being convenient for simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the valve technique and specifically relates to a spiral centrifugal pump outlet valve.
Background
The check valve is a valve which only allows liquid flow to pass through the centrifugal pump along one direction and is stopped when the liquid flow in the opposite direction flows, the function of the check valve is similar to that of a diode in a circuit, the backflow of the conveyed liquid in the conveying process of a pump body can be prevented, the outlet joint of the centrifugal pump body is generally provided with the check valve, the existing check valve is mostly a steel ball type straight-through check valve, the structure comprises a steel ball and a spring, the structure design is generally complex in installation, the structure is unstable in use and operation, and the later-stage structure is inconvenient to maintain and replace.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect that exists among the prior art, overcome centrifugal pump outlet valve installation inconvenient, the structure uses unstable and later stage structure maintenance and the inconvenient problem of change, the utility model provides a spiral centrifugal pump outlet valve.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a screw centrifugal pump outlet valve, includes the valve body, the one end of valve body is equipped with the screw thread installation department, the afterbody guard ring is installed to the other end block of valve body, the end of screw thread installation department clamps the sealing washer, the sealing washer is O shape rubber seal, be equipped with the liquid runner in the valve body, the liquid runner is "expand-receive-expand" formula footpath body design, the mid-mounting of liquid runner has the case, the case is the shape of hunch form door, install the spring in the case, the bottom of spring sets up in the recess on the valve plate, the spring is the double pressure spring, both ends set up respectively into liquid inlet and liquid outlet about the valve body.
The valve body of the outlet valve of the spiral centrifugal pump is made of stainless steel materials.
According to the spiral centrifugal pump outlet valve, the tail protection ring is made of elastic rubber materials or elastic polyurethane materials, and is clamped and installed at the tail end of the valve body and then is connected in a reinforcing mode through the fixing nails distributed in an annular mode.
The outlet valve of the spiral centrifugal pump is characterized in that the valve body is provided with a boss which is designed into an integrated structure, and the boss is in a hexagon nut shape.
Compared with the prior art, the utility model discloses beneficial effect technical effect below having:
the utility model provides a spiral centrifugal pump outlet valve, simple structure is reasonable, and the design of screw thread installation department makes the installation of valve body more convenient firm, and setting up of arch form door-shaped case makes the structure use more stable, the later stage structural maintenance and the change of being convenient for.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is an external schematic view of the present invention;
fig. 2 is a schematic diagram of the internal structure of the present invention.
In the figure, 1, a valve body, 2, a sealing ring, 3, a thread mounting part, 4, a tail protection ring, 5, a valve core, 6, a spring, 7, a liquid inlet, 8, a liquid outlet, 9, a liquid flow passage and 10, a boss are arranged.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
The utility model provides a screw centrifugal pump outlet valve, includes valve body 1, the one end of valve body 1 is equipped with thread mounting portion 3, afterbody guard ring 4 is installed to the other end block of valve body 1, seal ring 2 has been clamped at the end of thread mounting portion 3, seal ring 2 is O shape rubber seal, be equipped with liquid runner 9 in the valve body 1, liquid runner 9 is "expand-receive-expand" formula footpath body design, the mid-mounting of liquid runner 9 has case 5, case 5 is the arch door shape, install spring 6 in the case 5, the bottom of spring 6 sets up in the recess on the valve plate, spring 6 is the double compression spring, both ends set up respectively to liquid inlet 7 and liquid outlet 8 about valve body 1.
Further, the valve body 1 is made of stainless steel material.
Furthermore, the tail protection ring 4 is made of elastic polyurethane materials, and the tail protection ring 4 is clamped and installed at the tail end of the valve body 1 and then is connected in a reinforcing mode through fixing nails which are distributed annularly.
Further, a boss 10 with an integrated structure design is arranged on the valve body 1, and the boss 10 is in a hexagon nut shape.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.
Claims (4)
1. A spiral centrifugal pump outlet valve, includes valve body (1), its characterized in that: the one end of valve body (1) is equipped with threaded mounting portion (3), afterbody guard ring (4) are installed to the other end block of valve body (1), sealing washer (2) have been clamped at the end of threaded mounting portion (3), sealing washer (2) are O shape rubber seal, be equipped with liquid runner (9) in valve body (1), liquid runner (9) are "expand-receive-expand" formula footpath body design, the mid-mounting of liquid runner (9) has case (5), case (5) are hunch form door-shaped, install spring (6) in case (5), the bottom of spring (6) sets up in the recess of valve plate, spring (6) are the double compression spring, both ends set up respectively into liquid inlet (7) and liquid outlet (8) about valve body (1).
2. A screw centrifugal pump outlet valve according to claim 1, characterized in that the valve body (1) is made of stainless steel material.
3. The outlet valve of the screw centrifugal pump according to claim 1, wherein the tail protection ring (4) is made of an elastic rubber material or an elastic polyurethane material, and the tail protection ring (4) is clamped and installed at the tail end of the valve body (1) and then is connected in a reinforcing manner through fixing nails annularly distributed.
4. A screw centrifugal pump outlet valve according to claim 1, characterized in that the valve body (1) is provided with a boss (10) of integral structural design, said boss (10) being in the form of a hexagonal nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920760498.XU CN209925697U (en) | 2019-05-24 | 2019-05-24 | Outlet valve of spiral centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920760498.XU CN209925697U (en) | 2019-05-24 | 2019-05-24 | Outlet valve of spiral centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209925697U true CN209925697U (en) | 2020-01-10 |
Family
ID=69091631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920760498.XU Expired - Fee Related CN209925697U (en) | 2019-05-24 | 2019-05-24 | Outlet valve of spiral centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209925697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3945213A3 (en) * | 2020-07-27 | 2022-04-06 | Aspen Pumps Limited | Condensate pump arrangement |
-
2019
- 2019-05-24 CN CN201920760498.XU patent/CN209925697U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3945213A3 (en) * | 2020-07-27 | 2022-04-06 | Aspen Pumps Limited | Condensate pump arrangement |
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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: 20200110 |