CN209340513U - A kind of shut-off valve with check function - Google Patents

A kind of shut-off valve with check function Download PDF

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Publication number
CN209340513U
CN209340513U CN201821686535.9U CN201821686535U CN209340513U CN 209340513 U CN209340513 U CN 209340513U CN 201821686535 U CN201821686535 U CN 201821686535U CN 209340513 U CN209340513 U CN 209340513U
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CN
China
Prior art keywords
valve
flap
hole
stem nut
ring
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Active
Application number
CN201821686535.9U
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Chinese (zh)
Inventor
向先忠
黄劲松
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DIANJIAN VALVES Co Ltd
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DIANJIAN VALVES Co Ltd
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Priority to CN201821686535.9U priority Critical patent/CN209340513U/en
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Abstract

The utility model relates to valve technology fields, and disclose a kind of shut-off valve with check function, including valve body, the bottom end of the valve body offers water inlet, and the left side of the valve body offers water outlet, and the water inlet is stepped hole a, and flap is provided on step surface, the flap is by flap pedestal and guide post group at being provided with valve deck above the valve body, the valve deck is made of valve stem nut ring, valve stem nut ring support and valve deck pedestal.The shut-off valve with check function, by the way that valve rod is arranged, flap can be compressed when valve rod reaches bottom end, to achieve the effect that cut-off, by the way that the cavity of valve rod lower half portion and the guide rod clearance fit of flap is arranged, it will drive flap when medium back flow and move down, to achieve the effect that prevent medium from flowing backwards, so that the shut-off valve is provided simultaneously with the effect of check-valves and stop valve, and it is easy to use, save the usage quantity of valve in water pump installation process.

Description

A kind of shut-off valve with check function
Technical field
The utility model relates to valve technology field, specially a kind of shut-off valve with check function.
Background technique
Check-valves is a kind of essential valve in pipeline transmission, and shut-off valve is also that the very extensive one kind of purposes is cut Disconnected valve.It usually is equipped with a stop valve at unit fixed on water pump suction end, is equipped with a stop valve and a check-valves in pump outlet.
Currently, the necessary three deck valve doors of mating setting of one water pump of existing check-valves use, it is necessary in succession and fill a non-return Valve and a stop valve, it is inconvenient for use, it is unfavorable for promoting the use of.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of shut-off valve with check function, solves existing One water pump of some check-valves must the use of three deck valve doors of mating setting, it is necessary in succession and fill a check-valves and stop valve Problem.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of shut-off valve with check function, packet Valve body is included, the bottom end of the valve body offers water inlet, and the left side of the valve body offers water outlet, and the water inlet is platform Rank hole a, and flap is provided on the step surface of stepped hole a, the flap is by flap pedestal and guide post group at the valve body Top is provided with valve deck, and the valve deck is made of valve stem nut ring, valve stem nut ring support and valve deck pedestal, the valve deck pedestal Top be provided with valve stem nut ring, and valve deck pedestal is fixedly connected with valve stem nut ring by valve stem nut ring support, described Valve deck pedestal is fixedly connected with valve body by stud and nut, and the top of the stud is connect with nut thread, the valve deck bottom The lower surface of seat is provided with boss, and the upper surface of the valve body offers stepped hole b, and is provided on the step surface of stepped hole b Sealing rubber ring a, the valve deck offers through-hole a from top to bottom, and valve rod is plugged in through-hole a, and the bottom end of the valve rod is run through To the inside of valve body, the valve rod is placed in valve body inner part, and there are cavitys, and the top of cavity offers through-hole b, the valve The guide rod of valve be plugged on stem bottom there are cavity in.
The overlapping of the valve rod and valve deck pedestal offers stepped hole c, and sealing is provided on the step surface of stepped hole c Cushion rubber b, the upper surface of the sealing rubber ring b are provided with compression ring, and the upper surface of the compression ring is provided with compression piece, the pressure The left and right ends of tight piece offer through-hole c, and the compression piece is fixedly connected with valve deck pedestal by Quick Release screw, described The center of valve stem nut ring offers through-hole d, and through-hole d internal screw thread is connected with valve stem nut, the valve stem nut and valve rod spiral shell Line connection, the valve stem nut and valve stem nut ring threaded connection place are provided with stop pin, the stop pin respectively with valve rod spiral shell Female and valve stem nut ring support is threadedly coupled, and is provided with handwheel above the valve stem nut, the center point of the handwheel opens up There is through-hole e, the valve rod is plugged in through-hole e, the upper surface setting spring washer and nut of the handwheel, and nut and valve rod It is threadedly coupled.
Preferably, the inlet and outlet are cylindrical hole, and the water inlet is through-hole f, the water outlet It is connected with water inlet.
Preferably, the diameter of the water inlet stepped hole a is adapted with the diameter of flap.
Preferably, the race diameter of the bonnet lower surface boss and valve body upper surface open up the diameter of stepped hole b It is adapted, and the thickness of the sealing rubber ring a is adapted with the depth size that valve body upper surface opens up stepped hole b.
Preferably, the valve body is fixedly connected by ring flange with external equipment.
Preferably, the valve rod is located at valve body inner part there are cavity, and the guide rod clearance fit of cavity and flap, The length of the flap guide rod is adapted with the depth size of cavity.
Preferably, the quantity of the Quick Release screw is two, and two Quick Release screws are located at the left and right two of valve rod axis Side, the quantity of the stud are four, and the ring-like array of stud is on ring flange.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of shut-off valve with check function, has following beneficial Effect: this has the shut-off valve of check function, by the way that valve rod is arranged, can compress flap when valve rod reaches bottom end, from And achieved the effect that cut-off, by the way that the cavity of valve rod lower half portion and the guide rod clearance fit of flap is arranged, when medium returns It will drive flap when stream to move down, to achieve the effect that prevent medium from flowing backwards, so that the shut-off valve is provided simultaneously with check-valves It is easy to use with the effect of stop valve, save the usage quantity of valve in water pump installation process.
Detailed description of the invention
Fig. 1 is the utility model structure revolved sectional view;
Fig. 2 is the utility model stop pin partial enlarged view;
Fig. 3 is the utility model structure view in full section;
Fig. 4 is the utility model structure diagram.
In figure: 1, valve body;101, water inlet;102, water outlet;2, flap;3, valve rod;4, valve deck;401, valve stem nut Ring;402, valve stem nut ring support;403, valve deck pedestal;404, stud;5, valve stem nut;6, handwheel;601, spring washer;7, Sealing rubber ring a;701, sealing rubber ring b;702, compression ring;703, piece is compressed;8, stop pin.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of shut-off valve with check function, including Valve body 1, the bottom end of valve body 1 offer water inlet 101, and the left side of valve body 1 offers water outlet 102, and water inlet 101 is step Hole a, valve body 1 are fixedly connected by ring flange with external equipment, and water inlet 101 and water outlet 102 are cylindrical hole, and are intake Mouth 101 is through-hole f, and water outlet 102 is connected with water inlet 101, and flap 2, water inlet are provided on the step surface of stepped hole a The diameter of 101 stepped hole a is adapted with the diameter of flap 2, guarantees leakproofness when medium is flow backwards, flap 2 is by flap bottom Seat and guide post group are at the top of valve body 1 is provided with valve deck 4, and valve deck 4 is by valve stem nut ring 401, valve stem nut ring support 402 It is formed with valve deck pedestal 403, the top of valve deck pedestal 403 is provided with valve stem nut ring 401, and valve deck pedestal 403 and valve rod spiral shell Female ring 401 is fixedly connected by valve stem nut ring support 402, and valve deck pedestal 403 is fixed with valve body 1 by stud 404 and nut Connection, the top of stud 404 are connect with nut thread, and the lower surface of valve deck pedestal 403 is provided with boss, the upper surface of valve body 1 Offer stepped hole b, and be provided with sealing rubber ring a7 on the step surface of stepped hole b, the race diameter of 4 lower surface boss of valve deck with The diameter that 1 upper surface of valve body opens up stepped hole b is adapted, and the thickness of sealing rubber ring a7 is opened up with 1 upper surface of valve body The depth size of stepped hole b is adapted, and prevents medium because high pressure is overflowed, valve deck 4 offers through-hole a from top to bottom, and in through-hole a It is plugged with valve rod 3, the bottom end of valve rod 3 is through to the inside of valve body 1, and valve rod 3 is placed in 1 interior section of valve body there are cavity, and empty The top of chamber offers through-hole b, facilitates the closure of flap 2 when liquid is flow backwards, and the guide rod gap of cavity and flap 2 is matched Close, the length of 2 guide rod of flap is adapted with the depth size of cavity, the guide rod of flap 2 be plugged on 3 bottom of valve rod there are In cavity.
The overlapping of valve rod 3 and valve deck pedestal 403 offers stepped hole c, and sealing is provided on the step surface of stepped hole c Cushion rubber b701, the upper surface of sealing rubber ring b701 are provided with compression ring 702, and the upper surface of compression ring 702 is provided with compression piece 703, the left and right ends for compressing piece 703 offer through-hole c, and compress piece 703 and pass through Quick Release screw with valve deck pedestal 403 704 are fixedly connected, and the quantity of Quick Release screw 704 is two, and two Quick Release screws 704 are located at the left and right sides of 3 axis of valve rod, spiral shell The quantity of column 404 is four, and for the ring-like array of stud 404 on ring flange, the center of valve stem nut ring 401 offers through-hole d, and Through-hole d internal screw thread is connected with valve stem nut 5, and valve stem nut 5 is threadedly coupled with valve rod 3, valve stem nut 5 and valve stem nut ring 401 Threaded connection place is provided with stop pin 8, and stop pin 8 is threadedly coupled with valve stem nut 5 and valve stem nut ring support 402 respectively, valve The top of stem nut 5 is provided with handwheel 6, and the center point of handwheel 6 offers through-hole e, and valve rod 3 is plugged in through-hole e, handwheel 6 Spring washer 601 and nut is arranged in upper surface, and nut is threadedly coupled with valve rod 3.
When in use, by the handwheel 6 of 3 top of rotary valve rod, about 3 valve rod can be made under the cooperation of valve stem nut 5 Movement, so that valve be made to complete the movement of opening and closing, be among the lower half portion of valve rod 3 it is empty, match with the guide rod gap of flap 2 It closes, after valve is in the open state, flap 2 does not rise with valve rod 3, but only when water inlet 101 has medium flow field Into when, medium could drive flap 2 rise, then flowed out by water outlet 102, if there is special circumstances occur or especially setting When, when medium is flow backwards by water outlet 102 into valve, medium will drive flap 2 and move downwardly together and valve be allowed to close, to reach To the effect for preventing medium from flowing backwards.
In conclusion this has the shut-off valve of check function, it, can when valve rod 3 reaches bottom end by the way that valve rod 3 is arranged To compress flap 2, to achieve the effect that cut-off, by being arranged between the cavity of 3 lower half portion of valve rod and the guide rod of flap 2 Gap cooperation, will drive flap 2 when medium back flow and moves down, to achieve the effect that prevent medium from flowing backwards, so that the cut-off Valve is provided simultaneously with the effect of check-valves and stop valve, easy to use, saves the usage quantity of valve in water pump installation process.
It should be noted that, in this document, such as the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of shut-off valve with check function, including valve body (1), it is characterised in that: the bottom end of the valve body (1) offers The left side of water inlet (101), the valve body (1) offers water outlet (102), and the water inlet (101) is stepped hole a, and It is provided on the step surface of stepped hole a flap (2), the flap (2) is by flap pedestal and guide post group at the valve body (1) Top be provided with valve deck (4), the valve deck (4) is by valve stem nut ring (401), valve stem nut ring support (402) and valve deck bottom Seat (403) forms, and is provided with valve stem nut ring (401) above the valve deck pedestal (403), and valve deck pedestal (403) and valve Stem nut ring (401) is fixedly connected by valve stem nut ring support (402), and the valve deck pedestal (403) and valve body (1) pass through spiral shell Column (404) is fixedly connected with nut, and the top of the stud (404) is connect with nut thread, under the valve deck pedestal (403) Surface is provided with boss, and the upper surface of the valve body (1) offers stepped hole b, and sealing is provided on the step surface of stepped hole b Cushion rubber a (7), the valve deck (4) offers through-hole a from top to bottom, and valve rod (3) are plugged in through-hole a, the valve rod (3) Bottom end is through to the inside of valve body (1), and the valve rod (3) is placed in valve body (1) interior section, and there are cavitys, and the top of cavity is opened Equipped with through-hole b, the guide rod of the flap (2) be plugged on valve rod (3) bottom there are cavity in;
The overlapping of the valve rod (3) and valve deck pedestal (403) offers stepped hole c, and is provided on the step surface of stepped hole c The upper surface of sealing rubber ring b (701), the sealing rubber ring b (701) are provided with compression ring (702), the compression ring (702) Upper surface, which is provided with, compresses piece (703), and the left and right ends for compressing piece (703) offer through-hole c, and the compression piece (703) it is fixedly connected with valve deck pedestal (403) by Quick Release screw (704), the center of the valve stem nut ring (401) offers Through-hole d, and through-hole d internal screw thread is connected with valve stem nut (5), the valve stem nut (5) is threadedly coupled with valve rod (3), the valve Stem nut (5) and valve stem nut ring (401) threaded connection place are provided with stop pin (8), the stop pin (8) respectively with valve rod spiral shell Female (5) and valve stem nut ring support (402) are threadedly coupled, and are provided with handwheel (6), the hand above the valve stem nut (5) The center point of wheel (6) offers through-hole e, and the valve rod (3) is plugged in through-hole e, and spring is arranged in the upper surface of the handwheel (6) Washer (601) and nut, and nut is threadedly coupled with valve rod (3).
2. a kind of shut-off valve with check function according to claim 1, it is characterised in that: the water inlet (101) It is cylindrical hole with water outlet (102), and the water inlet (101) is through-hole f, the water outlet (102) and water inlet (101) it is connected.
3. a kind of shut-off valve with check function according to claim 1, it is characterised in that: the water inlet (101) The diameter of stepped hole a is adapted with the diameter of flap (2).
4. a kind of shut-off valve with check function according to claim 1, it is characterised in that: valve deck (4) following table The race diameter of face boss is adapted with the diameter that valve body (1) upper surface opens up stepped hole b, and the sealing rubber ring a (7) thickness is adapted with the depth size that valve body (1) upper surface opens up stepped hole b.
5. a kind of shut-off valve with check function according to claim 1, it is characterised in that: the valve body (1) and outer Portion's equipment is fixedly connected by ring flange.
6. a kind of shut-off valve with check function according to claim 1, it is characterised in that: the valve rod (3) is located at Valve body (1) interior section is there are cavity, and the guide rod clearance fit of cavity and flap (2), the length of flap (2) guide rod Degree is adapted with the depth size of cavity.
7. a kind of shut-off valve with check function according to claim 1, it is characterised in that: the Quick Release screw (704) quantity is two, and two Quick Release screws (704) are located at the left and right sides of valve rod (3) axis, the stud (404) quantity is four, and the ring-like array of the stud (404) is on ring flange.
CN201821686535.9U 2018-10-09 2018-10-09 A kind of shut-off valve with check function Active CN209340513U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821686535.9U CN209340513U (en) 2018-10-09 2018-10-09 A kind of shut-off valve with check function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821686535.9U CN209340513U (en) 2018-10-09 2018-10-09 A kind of shut-off valve with check function

Publications (1)

Publication Number Publication Date
CN209340513U true CN209340513U (en) 2019-09-03

Family

ID=67746659

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821686535.9U Active CN209340513U (en) 2018-10-09 2018-10-09 A kind of shut-off valve with check function

Country Status (1)

Country Link
CN (1) CN209340513U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111561590A (en) * 2020-05-21 2020-08-21 广船国际有限公司 Stop check valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111561590A (en) * 2020-05-21 2020-08-21 广船国际有限公司 Stop check valve

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 "change of name, title or address"

Address after: 325024 1-2 / F, No. 922, Jinhai Second Road, airport new area, Yongxing street, Longwan District, Wenzhou City, Zhejiang Province

Patentee after: Electric power construction Valve Group Co., Ltd

Address before: 325000 Binhai Wudao 259, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province

Patentee before: DIANJIAN VALVES Co.,Ltd.

CP03 "change of name, title or address"