CN215980990U - Check valve convenient to installation - Google Patents
Check valve convenient to installation Download PDFInfo
- Publication number
- CN215980990U CN215980990U CN202121540914.9U CN202121540914U CN215980990U CN 215980990 U CN215980990 U CN 215980990U CN 202121540914 U CN202121540914 U CN 202121540914U CN 215980990 U CN215980990 U CN 215980990U
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- check valve
- shell
- connecting plate
- water inlet
- sleeve
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Abstract
The utility model discloses a check valve convenient to install, which comprises a shell and a piston, wherein a first connecting plate is arranged on the left side of the shell, a fixing bolt is arranged on the outer side of the first connecting plate, a guide rail is arranged at the lower end of the fixing bolt, a sleeve is arranged on the outer side of the guide rail, a pull ring is arranged at the upper end of the sleeve, a connecting plug is arranged on the left side of the guide rail, a water inlet pipe is arranged on the left side of the connecting plug, a first sealing ring is arranged on the right side of the water inlet pipe, a stud is arranged on the upper end of the shell, the piston is arranged inside the shell, a spring is arranged on the outer side of the piston, a water inlet is arranged on the left side inside the shell, a water outlet is arranged on the right side inside the shell, a double-flap check valve is arranged on the right side of the water outlet, a second connecting plate is arranged on the right side of the double-flap check valve, the check valve is convenient to install, greatly improves the working efficiency, saves the time and has wider application range.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a check valve convenient to install.
Background
The check valve is a valve with a circular valve clack and acts by self weight and medium pressure to block the medium from flowing backwards. It belongs to the automatic valve category, also called check valve, reflux valve or isolation valve. The valve clack motion mode is divided into lifting type and swing type. The lift check valve is similar in structure to the stop valve and only lacks a valve rod that drives the valve flap. The medium flows in from the inlet end (lower side) and flows out from the outlet end (upper side). The valve is opened when the inlet pressure is greater than the sum of the weight of the flap and its flow resistance. Otherwise, the valve is closed when the medium flows backwards. Swing check valves have a flap that is tilted and can pivot, and operate on a similar principle to lift check valves. The check valve is commonly used as a bottom valve of a water pumping device and can prevent the backflow of water. The check valve and the stop valve are combined for use, and the safety isolation effect can be achieved. The novel check valve has the advantages that the resistance is large, the sealing performance is poor when the check valve is closed, the existing check valve is inconvenient to install, the working efficiency is low, the applicable pipeline range is narrow, and in order to solve the problems, the novel check valve convenient to install is designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, the working efficiency is low and the applicable pipeline range is narrow due to the fact that installation is inconvenient, and provides a check valve convenient to install.
In order to achieve the purpose, the utility model provides the following technical scheme: the piston comprises a shell and a piston, wherein a first connecting plate is arranged on the left side of the shell, a first fixing bolt is arranged on the outer side of the first connecting plate, a guide rail is arranged at the lower end of the fixing bolt, a sleeve is arranged on the outer side of the guide rail, a pull ring is arranged at the upper end of the sleeve, a connecting plug is arranged on the left side of the guide rail, a water inlet pipe is arranged on the left side of the connecting plug, a first sealing ring is arranged on the right side of the water inlet pipe, a stud is arranged on the upper end of the shell, a piston is arranged in the shell, a spring is arranged on the outer side of the piston, a water inlet is arranged on the left side of the shell, a water outlet is arranged on the right side of the water outlet, a double-flap check valve is arranged on the right side of the double-flap check valve, a second connecting plate is arranged on the inner side of the second connecting plate, and a positioning plate is arranged on the right side of the sliding groove, the water outlet pipe is arranged inside the positioning plate, and the sealing ring II is arranged on the left side of the water outlet pipe.
Preferably, the connecting plug is made of stainless steel, the end of the connecting plug is of a flat structure, the thickness of the connecting plug is 50mm, the connecting plug is convenient to attach, and the water leakage phenomenon is reduced.
Preferably, the first connecting plate, the second connecting plate and the shell are connected through fixing bolts, and the connection is firm.
Preferably, the left end of locating plate adopts trapezoidal block structure, and embedded in the spout, and with the smooth connection of spout, realizes reciprocating of locating plate.
Preferably, the first connecting plate and the second connecting plate are hollow and are circular.
Preferably, the sleeve and the pull ring are connected in a welding mode, and the sleeve and the connecting plug are fixedly connected.
Preferably, the outer side of the sliding groove is provided with a positioning pin.
Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses check valve convenient to installation is rational in infrastructure, and easy to assemble has improved work efficiency greatly, has practiced thrift the time, and application scope is wider.
Drawings
Fig. 1 is a schematic view of the overall structure of the check valve convenient to install according to the present invention.
In the figure: the water inlet pipe comprises a water inlet pipe 1, a connecting plug 2, a sealing ring I3, a sleeve 4, a pull ring 5, a guide rail 6, a mounting plate 7, a fixing bolt 8, a connecting plate I9, a water inlet 10, a shell 11, a bolt 12, a spring 13, a limiting column 14, a piston 15, a double-flap check valve 16, a sliding chute 17, a water outlet 18, a connecting plate II 19, a positioning plate 20, a sealing ring II 21 and a water outlet pipe 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the water inlet and outlet device comprises a shell 11 and a piston 15, wherein a first connecting plate 9 is arranged on the left side of the shell 11, a first fixing bolt 8 is arranged on the outer side of the first connecting plate 9, a guide rail 6 is arranged at the lower end of the first fixing bolt 8, a sleeve 4 is arranged on the outer side of the guide rail 6, a pull ring 5 is arranged at the upper end of the sleeve 4, a connecting plug 2 is arranged on the left side of the guide rail 6, a water inlet pipe 1 is arranged on the left side of the connecting plug 2, a first sealing ring 3 is arranged on the right side of the water inlet pipe 1, a stud 12 is arranged on the upper end of the shell 11, a piston 15 is arranged inside the shell 11, a spring 13 is arranged on the outer side of the piston 15, a water inlet 10 is arranged on the left side inside the shell 11, a water outlet 18 is arranged on the right side inside the shell 11, a double-flap check valve 16 is arranged on the right side of the water outlet 18, and a second connecting plate 19 is arranged on the right side of the double-flap check valve 16, the inboard of connecting plate two 19 is provided with spout 17, the right side of spout 17 is provided with locating plate 20, the inside of locating plate 20 is provided with outlet pipe 22, outlet pipe 22's left side is provided with sealing washer two 21, connecting plug 2 adopts stainless steel, and connecting plug 2's end adopts flat column structure, and thickness is 50mm, connecting plate one 9, connecting plate two 19 and shell 11 all adopt fixing bolt 8 to be connected, the left end of locating plate 20 adopts trapezoidal block structure, and embedded in spout 17, and spout 17 smooth connection, connecting plate one 9, the inside cavity of connecting plate two 19, and all be circular form, sleeve 4 and 5 welding nature of pull ring are connected, and sleeve 4 and connecting plug 2 fixed connection, the outside of spout 17 is provided with the locating pin.
The working principle of the utility model is as follows: firstly, installing a check valve according to the pipeline requirement, selecting a water inlet pipe 1 as a fixed pipe, selecting a water outlet pipe 2 as a pipeline with an indefinite size, connecting a first connecting plate 9 with the left side of a shell 11 through a fixing bolt 8, connecting a second connecting plate 19 with the right side of the shell 11, driving a sleeve 4 to move left on a guide rail 6 through a pull ring 5, inserting a connecting plug 2 at the end of the sleeve 4 into the water inlet pipe 1, stopping the movement of the pull ring 5 when the connecting plug 2 is tightly attached to the water inlet pipe 1, then sleeving a first sealing ring 3 on the end of the water inlet pipe 1 to complete the installation of the water inlet pipe 1, installing a water outlet pipe 22, moving a positioning plate 20 up and down in a chute 17 according to the pipe diameter of the water outlet pipe 22, fastening the positioning plate 20 at the upper part and the lower part of the positioning plate 22 to clamp, fixing the positioning plate 20 by using a positioning pin, finally sealing the second sealing ring 21 at the attachment part of the end of the positioning plate 20 and the water outlet pipe 22, the installation of the water outlet pipe 22 is completed, water flows from the water inlet pipe 1 to the water inlet 10 in sequence, the piston 15 is lifted under the action of water pressure, and water enters the water outlet 18 and passes through the double-flap check valve 16 to the water outlet pipe 22.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. Check valve for easy installation, comprising a housing (11) and a piston (15), characterized in that: the left side of the shell (11) is provided with a first connecting plate (9), the outer side of the first connecting plate (9) is provided with a fixing bolt (8), the lower end of the fixing bolt (8) is provided with a guide rail (6), the outer side of the guide rail (6) is provided with a sleeve (4), the upper end of the sleeve (4) is provided with a pull ring (5), the left side of the guide rail (6) is provided with a connecting plug (2), the left side of the connecting plug (2) is provided with a water inlet pipe (1), the right side of the water inlet pipe (1) is provided with a first sealing ring (3), the upper end of the shell (11) is provided with a stud (12), the inside of the shell (11) is provided with a piston (15), the outside of the piston (15) is provided with a spring (13), the left side of the inside of the shell (11) is provided with a water inlet (10), the right side of the inside of the shell (11) is provided with a water outlet (18), the right side of delivery port (18) is provided with bivalve check valve (16), the right side of bivalve check valve (16) is provided with connecting plate two (19), the inboard of connecting plate two (19) is provided with spout (17), the right side of spout (17) is provided with locating plate (20), the inside of locating plate (20) is provided with outlet pipe (22), the left side of outlet pipe (22) is provided with sealing washer two (21).
2. An easy to install check valve as defined in claim 1, wherein: connecting plug (2) adopt stainless steel material, and the end of connecting plug (2) adopts flat column structure, and thickness is 50 mm.
3. An easy to install check valve as defined in claim 1, wherein: the first connecting plate (9), the second connecting plate (19) and the shell (11) are connected through fixing bolts (8).
4. An easy to install check valve as defined in claim 1, wherein: the left end of the positioning plate (20) adopts a trapezoidal block structure, is embedded in the sliding groove (17), and is connected with the sliding groove (17) in a sliding manner.
5. An easy to install check valve as defined in claim 1, wherein: the connecting plates I (9) and II (19) are hollow and circular.
6. An easy to install check valve as defined in claim 1, wherein: the sleeve (4) is connected with the pull ring (5) in a welding manner, and the sleeve (4) is fixedly connected with the connecting plug (2).
7. An easy to install check valve as defined in claim 1, wherein: and a positioning pin is arranged on the outer side of the sliding groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121540914.9U CN215980990U (en) | 2021-07-08 | 2021-07-08 | Check valve convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121540914.9U CN215980990U (en) | 2021-07-08 | 2021-07-08 | Check valve convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215980990U true CN215980990U (en) | 2022-03-08 |
Family
ID=80577248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121540914.9U Active CN215980990U (en) | 2021-07-08 | 2021-07-08 | Check valve convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215980990U (en) |
-
2021
- 2021-07-08 CN CN202121540914.9U patent/CN215980990U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |