CN212338291U - Fast-assembling non return device - Google Patents

Fast-assembling non return device Download PDF

Info

Publication number
CN212338291U
CN212338291U CN202021028867.5U CN202021028867U CN212338291U CN 212338291 U CN212338291 U CN 212338291U CN 202021028867 U CN202021028867 U CN 202021028867U CN 212338291 U CN212338291 U CN 212338291U
Authority
CN
China
Prior art keywords
check valve
water inlet
dwang
valve clack
valve main
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.)
Active
Application number
CN202021028867.5U
Other languages
Chinese (zh)
Inventor
谭大新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yancheng Jinqiu Environmental Protection Industry Development Co., Ltd
Original Assignee
Yancheng Gold Ball Stainless Steel Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yancheng Gold Ball Stainless Steel Co ltd filed Critical Yancheng Gold Ball Stainless Steel Co ltd
Priority to CN202021028867.5U priority Critical patent/CN212338291U/en
Application granted granted Critical
Publication of CN212338291U publication Critical patent/CN212338291U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Check Valves (AREA)
  • Valve Housings (AREA)

Abstract

The utility model discloses a fast-assembly non-return device, which comprises a check valve main body, a valve clack and a water inlet, wherein one side outer surface of the valve clack is provided with a groove, one side outer surface of the water inlet positioned inside the check valve main body is fixedly connected with a convex block, the other side outer surface of the valve clack is provided with a guide groove close to the lower end position, the lower end outer surface of the check valve main body is provided with a threaded hole, the inner part of the threaded hole is in threaded connection with a rotating rod, one end of the rotating rod far away from the inside of the check valve is provided with a lower sealing gasket, one end of the rotating rod positioned inside the check valve main body is provided with an upper sealing gasket, the device is mutually attached with the groove arranged on the valve clack by arranging the convex block at the water inlet, so, thereby maintenance operation can be carried out fast.

Description

Fast-assembling non return device
Technical Field
The utility model relates to a check valve device technical field specifically is a fast-assembling non return device.
Background
The check valve is a valve which automatically opens and closes a baffle depending on the flow of a medium, and is used for preventing the medium from flowing backwards, and is also called a check valve, a reflux valve and a back pressure valve. The check valve is an automatic valve and mainly used for preventing medium from flowing backwards, preventing the pump and a driving motor from reversing and discharging container medium.
1. However, when the water inlet end of the existing device needs to be maintained and the internal water flow reversely flows into the device through one end of the water outlet, the main valve of the water outlet at the other end needs to be closed to maintain the device, so that the working efficiency is reduced,
2. meanwhile, the surface of the valve clack is mostly attached to a water inlet in the existing device, so that the infiltration of backflow water cannot be well sealed;
to this end, a quick-fit non-return device is proposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fast-assembling non return device, the device laminate each other through the recess of seting up on water inlet department sets up protruding piece and valve clack for airtight prevention water's that can be fine infiltration, the kicking block that sets up simultaneously can be when the delivery port backward flow and need not close the valve of delivery port when maintaining the water inlet again, thereby can be quick maintain the operation, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fast-assembling non return device, includes check valve main part, valve clack, water inlet, delivery port, one side surface of valve clack is seted up flutedly, the water inlet is located the protruding piece of one side external surface fixedly connected with of the inside of check valve main part, the opposite side surface of valve clack is close to lower extreme position and has seted up the guide way, the lower extreme surface of check valve main part has threaded hole, threaded hole internal thread is connected with the dwang, the inside one end of check valve is kept away from to the dwang is provided with the lower sealing gasket, the inside one end that the dwang is located the check valve main part is provided with the upper sealing gasket, the dwang.
Through adopting above-mentioned technical scheme, the device is laminated each other through the recess of seting up on water inlet department sets up protruding piece and valve clack for airtight prevention water's that can be fine infiltration, the kicking block that sets up simultaneously can be when the delivery port backward flow and need not close the valve of delivery port when maintaining the water inlet again, thereby maintenance operation that maintains that can be quick.
Preferably, the protruding block and the groove are of a circular ring structure, the protruding block is clamped inside the groove, and the sealing strip is arranged inside the groove.
Through adopting above-mentioned technical scheme, the laminating of messenger's protruding piece that can be fine is inside the recess to improve sealed effect.
Preferably, the connecting rod is of an arc-shaped structure and is made of stainless steel.
Through adopting above-mentioned technical scheme, adopt stainless steel for can not too fast rust lead to unable the use when long-time and water contact.
Preferably, one end of the arc-shaped surface of the top block is attached to the guide groove, and the top block abuts against the guide groove.
Through adopting above-mentioned technical scheme, utilize the kicking block to support to the guide way and can make valve clack and the fine laminating of water inlet to improve sealed effect.
Preferably, a thread is arranged on the rotating rod between the upper sealing gasket and the lower sealing gasket and is in threaded connection with the threaded hole.
Through adopting above-mentioned technical scheme, make the inside lower extreme surface of upper seal gasket laminating check valve main part when rotating the dwang downwards to can seal up inside rivers and outwards ooze, otherwise when upwards rotating the dwang, make the lower seal gasket laminating check valve main part surface lower extreme position, also make inside water can not outwards permeate.
Preferably, the length of the connecting rod and the length of the top block are equal to the distance between the rotating rod and the valve clack.
Through adopting above-mentioned technical scheme, can make connecting rod and kicking block fine support to the valve clack, improve sealed effect.
Compared with the prior art, the beneficial effects of the utility model are that:
by adding a series of structural components such as a threaded hole, a rotating rod, a lower sealing gasket, an upper sealing gasket, a connecting rod, a top block and the like into the device, when the device is used and a water inlet end needs to be maintained, and when internal water flow reversely flows into the check valve body through one end of a water outlet, at the moment, the valve clack is closed due to the pressure of the reverse backflow water, then the valve clack is closed through the groove formed in one side of the valve clack and the protrusion arranged on one side of the water inlet, so that the protrusion and the groove are mutually attached when the valve clack is closed, the backflow water is sealed, at the moment, a maintenance worker can close the lower sealing gasket arranged at the lower end of the check valve body through the threaded hole formed in the outer surface of the lower end of the check valve body, and the rotating rod is internally and rotated, so that the lower sealing, the valve that makes delivery port one end need not close to improve maintenance speed, after having maintained water inlet one end, rotating the dwang downwards, make the setting sealed inside lower extreme position of laminating check valve main part on the dwang, make inside water can't permeate out, thereby improve sealed effect.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a combination view of the concave groove and the convex block of the present invention;
fig. 3 is a combination view of the lower gasket and the upper gasket of the present invention.
In the figure:
1. a check valve body; 2. a valve flap; 3. a threaded hole; 4. rotating the rod; 5. a lower seal gasket; 6. an upper seal gasket; 7. a connecting rod; 8. a top block; 9. a guide groove; 10. a groove; 11. a raised block; 12. a water inlet; 13. and (7) a water outlet.
Detailed Description
In the following, reference will be made to the accompanying drawings in the embodiments of the present invention for clearly and completely describing the technical solutions 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.
Referring to fig. 1 to 3, the present invention provides a technical solution:
as shown in fig. 1, a fast-assembling non return device, including check valve main part 1, valve clack 2, water inlet 12, delivery port 13, recess 10 has been seted up to one side surface of valve clack 2, water inlet 12 is located the protruding piece 11 of the inside one side fixed surface of check valve main part 1, the opposite side surface of valve clack 2 is close to lower extreme position and has seted up guide way 9, threaded hole 3 has threaded hole 3 to the lower extreme surface of check valve main part 1, threaded hole 3 internal thread is connected with dwang 4, dwang 4 is kept away from the inside one end of check valve and is provided with the lower sealing pad 5, dwang 4 is located the inside one end of check valve main part 1 and is provided with the upper sealing pad 6, dwang 4 is located the upper sealing pad 6 upper end fixedly connected.
Through adopting above-mentioned technical scheme, the device is laminated each other through the recess 10 of seting up on water inlet 12 department sets up protruding piece 11 and valve clack 2 for airtight prevention water's that can be fine infiltration, the kicking block 8 that sets up simultaneously can be when delivery port 13 backward flow and need not close the valve of delivery port 13 again when maintaining water inlet 12, thereby maintenance operation that maintains that can be quick.
Specifically, as shown in fig. 1, the protruding block 11 and the groove 10 are in a circular ring structure, and the protruding block 11 is clamped inside the groove 10, and a sealing strip is arranged inside the groove 10.
Through adopting above-mentioned technical scheme, the laminating of messenger's protruding piece 11 that can be fine is inside recess 10 to improve sealed effect.
Specifically, as shown in fig. 3, the connecting rod 7 has an arc-shaped structure and is made of stainless steel.
Through adopting above-mentioned technical scheme, adopt stainless steel for can not too fast rust lead to unable the use when long-time and water contact.
Specifically, as shown in fig. 1, one end of the arc-shaped surface of the top block 8 is attached to the guide groove 9, and the top block 8 abuts against the guide groove 9.
Through adopting above-mentioned technical scheme, utilize kicking block 8 to support to guide way 9 and can make valve clack 2 and 12 fine laminating of water inlet to improve sealed effect.
Specifically, as shown in fig. 3, a screw thread is provided on the rotating rod 4 between the upper seal gasket 6 and the lower seal gasket 5, and the rotating rod is in threaded connection with the screw hole 3.
Through adopting above-mentioned technical scheme, make the inside lower extreme surface of upper seal gasket 6 laminating check valve main part 1 when rotating dwang 4 down to can seal up inside rivers and outwards ooze, otherwise when rotating dwang 4 upwards rotates, make the lower seal gasket 5 laminating check valve main part 1 surface lower extreme position, also make inside water can not outwards permeate.
Specifically, as shown in fig. 1, the length of both the connecting rod 7 and the top block 8 is equal to the distance from the rotating rod 4 to the valve flap 2.
Through adopting above-mentioned technical scheme, can make connecting rod 7 and kicking block 8 fine support to valve clack 2, improve sealed effect.
The working principle is as follows: by adding a series of structural components such as a threaded hole 3, a rotating rod 4, a lower sealing gasket 5, an upper sealing gasket 6, a connecting rod 7, a top block 8 and the like into the device, when the device is used and a water inlet end needs to be maintained, and internal water flow reversely flows into the check valve main body 1 through one end of a water outlet 13, at the moment, the valve clack 2 is closed due to the pressure of the reverse backflow water, then the valve clack 2 is closed through a groove 10 formed in one side of the valve clack 2 and a bulge block arranged on one side of a water inlet 12, so that the bulge block is mutually attached to the groove 10 when the valve clack 2 is closed, the backflow water is sealed, at the moment, a maintenance worker passes through the threaded hole 3 formed in the outer surface of the lower end of the check valve main body 1, the rotating rod 4 is internally and is rotated, and the rotating rod, make inside water can not permeate out, then maintain water inlet 12 one end, make the valve that need not close delivery port 13 one end, thereby improve maintenance speed, after having maintained water inlet 12 one end, rotating dwang 4 downwards, make the setting seal up the inside lower extreme position of 6 laminating check valve main part 1 on dwang 4 upper end, make inside water can't permeate out, thereby improve sealed effect.
The using method comprises the following steps: when the device is used, when the water inlet end needs to be maintained, and the internal water flow reversely flows into the check valve main body 1 through one end of the water outlet 13, at this time, the valve clack 2 is closed due to the pressure of the reverse backflow water, then the groove 10 formed on one side of the valve clack 2 and the protrusion arranged on one side of the water inlet 12 are used for enabling the protrusion to be mutually attached to the groove 10 when the valve clack 2 is closed, thereby sealing the backflow water, at this time, a maintenance worker can enable the rotating rod 4 to rotate inwards through the threaded hole 3 formed on the outer surface of the lower end of the check valve main body 1 and the rotating rod 4 connected with internal threads, so that the lower sealing gasket 5 arranged on the rotating rod 4 close to the lower end can be attached to the outer surface of the lower end of the check valve main body 1, the internal water can not permeate out, thereby improve maintenance speed, after having maintained 12 one ends of water inlet, rotating dwang 4 downwards for the setting is sealed 6 laminating check valve main part 1 inside lower extreme position on dwang 4 upper end, makes inside water can't permeate out.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a fast-assembling non return device, includes check valve main part (1), valve clack (2), water inlet (12), delivery port (13), its characterized in that: one side surface of valve clack (2) is seted up flutedly (10), water inlet (12) are located the protruding piece (11) of one side external fixed surface fixedly connected with of check valve main part (1) inside, the opposite side surface of valve clack (2) is close to lower extreme position and has seted up guide way (9), threaded hole (3) are seted up to the lower extreme surface of check valve main part (1), threaded hole (3) internal thread is connected with dwang (4), the inside one end of check valve is kept away from in dwang (4) is provided with lower sealing pad (5), the inside one end that dwang (4) are located check valve main part (1) is provided with upper sealing pad (6), dwang (4) are located upper sealing pad (6) upper end fixedly connected with connecting rod (7), one side fixedly connected with kicking block (8.
2. The quick-install check device as claimed in claim 1, wherein: the protruding blocks (11) and the grooves (10) are of circular ring structures, the protruding blocks (11) are clamped in the grooves (10), and sealing strips are arranged in the grooves (10).
3. The quick-install check device as claimed in claim 1, wherein: the connecting rod (7) is of an arc-shaped structure and is made of stainless steel.
4. The quick-install check device as claimed in claim 1, wherein: one end of the arc-shaped surface of the top block (8) is attached to the guide groove (9) mutually, and the top block (8) is abutted to the guide groove (9).
5. The quick-install check device as claimed in claim 1, wherein: the rotating rod (4) between the upper sealing gasket (6) and the lower sealing gasket (5) is provided with threads, and the threads are in threaded connection with the threaded holes (3).
6. The quick-install check device as claimed in claim 1, wherein: the length of the connecting rod (7) and the length of the jacking block (8) are equal to the distance between the rotating rod (4) and the valve clack (2).
CN202021028867.5U 2020-06-08 2020-06-08 Fast-assembling non return device Active CN212338291U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021028867.5U CN212338291U (en) 2020-06-08 2020-06-08 Fast-assembling non return device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021028867.5U CN212338291U (en) 2020-06-08 2020-06-08 Fast-assembling non return device

Publications (1)

Publication Number Publication Date
CN212338291U true CN212338291U (en) 2021-01-12

Family

ID=74075784

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021028867.5U Active CN212338291U (en) 2020-06-08 2020-06-08 Fast-assembling non return device

Country Status (1)

Country Link
CN (1) CN212338291U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114658899A (en) * 2022-03-09 2022-06-24 缪亚芳 Prevent blockking up check valve with linkage blowdown
CN114658899B (en) * 2022-03-09 2024-10-22 江苏苏盐阀门机械有限公司 Anti-blocking check valve with linkage blowdown

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114658899A (en) * 2022-03-09 2022-06-24 缪亚芳 Prevent blockking up check valve with linkage blowdown
CN114658899B (en) * 2022-03-09 2024-10-22 江苏苏盐阀门机械有限公司 Anti-blocking check valve with linkage blowdown

Similar Documents

Publication Publication Date Title
CN212338291U (en) Fast-assembling non return device
CN2849376Y (en) Low water loss counter-flow prevention device
CN209909245U (en) Check valve convenient to installation
CN107542715A (en) Cutter suction dredger reamer rotating hydraulic system
CN210397833U (en) Check valve
CN215568215U (en) Backflow preventer with good sealing performance
CN210830555U (en) Anti-leakage self-sealing valve
CN210716254U (en) Silent check valve device with sewage discharge function
CN212004404U (en) High-performance zero-leakage backflow-prevention sealing structure of check valve
CN220185919U (en) Backflow-preventing self-closing mechanism of water pump
CN213064753U (en) Guide type check valve
CN206592593U (en) A kind of Novel check valve piece
CN213017733U (en) Mute check valve with automatic pressure relief structure
CN210164958U (en) Vertical plastic check valve with oval ball core
CN212657296U (en) Hard sealing butterfly check valve
CN220396003U (en) Protection device for high-pressure reciprocating pump
CN221610658U (en) Novel noise elimination formula check valve
CN218670698U (en) Anti-leakage self-sealing valve
CN219911380U (en) Hedge trimmer hydraulic motor protection system
CN208503532U (en) A kind of anti-leakage self sealing valve of running water pipe
CN214999608U (en) Single-diaphragm low-resistance backflow preventer
CN218564640U (en) Valve mounting structure
CN209725417U (en) A kind of structure for water intake ball valve maintenance sealing machine locking
CN210483940U (en) Energy-saving and environment-friendly water guide device
CN218467745U (en) Return leakage prevention device for oil leakage tank pipeline of speed governor of hydraulic turbine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 224700 No.10 Chenbao Road, private industrial park, Jianhu County, Yancheng City, Jiangsu Province

Patentee after: Yancheng Jinqiu Environmental Protection Industry Development Co., Ltd

Address before: 224700 No.10 Chenbao Road, private industrial park, Jianhu County, Yancheng City, Jiangsu Province

Patentee before: YANCHENG GOLD BALL STAINLESS STEEL Co.,Ltd.