CN202531933U - Integrated check valve - Google Patents

Integrated check valve Download PDF

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Publication number
CN202531933U
CN202531933U CN2012201149908U CN201220114990U CN202531933U CN 202531933 U CN202531933 U CN 202531933U CN 2012201149908 U CN2012201149908 U CN 2012201149908U CN 201220114990 U CN201220114990 U CN 201220114990U CN 202531933 U CN202531933 U CN 202531933U
Authority
CN
China
Prior art keywords
valve seat
valve
top cover
hole
check valve
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 - Lifetime
Application number
CN2012201149908U
Other languages
Chinese (zh)
Inventor
戴晓宇
许敏田
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.)
Zhejiang Shimge Pump Co Ltd
Original Assignee
Shimge Pump Industry Group 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 Shimge Pump Industry Group Co Ltd filed Critical Shimge Pump Industry Group Co Ltd
Priority to CN2012201149908U priority Critical patent/CN202531933U/en
Application granted granted Critical
Publication of CN202531933U publication Critical patent/CN202531933U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a check valve arranged on a whole set of variable frequency water supply equipment, in particular to an integrated check valve integrated with a plurality of connectors. Aiming at the technical defects of complex structure, high installation cost and large occupied space which are caused by the single function of a connector of the existing check valve and the independent installation of the check valve and other assemblies on a pipeline, the utility model provides the integrated check valve integrated with a plurality of connectors, which comprises a valve seat, a valve element inside the valve seat and a top cover at the upper part of the valve seat. The integrated check valve is characterized in that the bottom of the valve seat is provided with a water inlet; the lateral surface of the valve seat is provided with a water outlet; the axes of the water inlet and the water outlet are vertical to each other by 90 degrees; and assembly connecting holes are arranged on the valve seat and the top cover and are conducted with an inner cavity of the valve seat. According to the utility model, by reserving the assembly connecting holes, a pressure gauge, a pressure sensor, an air vent valve and a pressure tank can all be conveniently integrally arranged on the check valve; the defects caused by the case that currently, each assemblies are separately welded and arranged on the water pipe, are changed; the installing steps are simplified; the cost is reduced; and the occupied space is reduced.

Description

Integral check valve
Technical field
The utility model relates to the safety check of installing on the complete frequency-changing water supply device, especially a kind of integral check valve of integrated a plurality of interfaces.
Background technique
Existing complete frequency-changing water supply device is when assemblies such as installation safety check, pressure gauge, pressure transducer, bleed valve, pressurized tank; Earlier pick out water pipe by water pump; Safety check is being installed and the required interface of other assemblies of welded and installed on water pipe on the water pipe then; The safety check interface function is single, and each assembly all is independent installation, complex structure, high, bulky the taking up room in installation back of cost.
Summary of the invention
The technical problem that the utility model will solve and the technical assignment of proposition are that to overcome existing safety check interface function single; Safety check is with other assemblies complex structure that independent installation is brought on pipeline, installation cost is high, big technological deficiency takes up room; A kind of integral check valve of integrated a plurality of interfaces is provided; Said safety check can make the integral installation structure of complete frequency-changing water supply device more compact, and cost easy for installation reduces, and occupies little space after the installation.
For realizing above-mentioned purpose; The utility model is taked following technological scheme: integral check valve; The top cover that comprises valve seat and its inner spool and top is characterized in that described valve seat bottom is provided with water intake, and the side is provided with water outlet; The axis normal of water intake and water outlet becomes 90 °, and valve seat and top cover are provided with assembly attachment hole conducting valve base cavity.The utility model is reserved on valve seat and top cover the assembly attachment hole is set; Make pressure gauge, pressure transducer, bleed valve, pressurized tank integratedly very easily to be installed on the safety check; Changed the defective that present each assembly split welded and installed is brought on water pipe, simplified installation steps, reduced cost and reduced and take up room; Entery and delivery port makes 90 ° vertical axis structure into from coaxial line, and water intake is positioned at the valve seat bottom and helps to guarantee pressure gauge, pressure transducer, bleed valve, pressurized tank proper functioning and accurately measurement.
Described assembly attachment hole comprises three through holes of valve seat side and a through hole on the top cover, and said four through holes welding is taken over, and all is with union in two adapters of adapter on the top cover and valve seat side.Four through holes are welded with adapter; Wherein be with union mounting strap pressure transducer, pressurized tank, pressure gauge very easily in three adapters; Wherein pressurized tank is connected on the top cover, and pressure transducer and pressure gauge are connected on the valve seat side, also has one not to be used to install bleed valve with the adapter of union.
The water outlet of described valve seat side and three through holes are along circumferentially 90 ° of distributions at interval of valve seat.Water outlet and three through hole intervals are distributed with for 90 ° and are beneficial to the reasonable distribution installing space, between each assembly of three through hole connections, all have enough installing spaces to carry out independent operation between assembly and the water outlet water pipe connecting, are independent of each other.
An end of socket union is provided with a round platform in the described adapter, and union is a sleeve pipe, and sleeve pipe one end is opened the hole and taken over the external diameter coupling; The other end has tapped hole, and internal surface of sleeve pipe is provided with an annular mounting groove, said mounting groove two ends connection screw thread hole and through hole; Through-hole aperture is less than the round platform external diameter; The round platform external diameter is less than the tapped hole aperture, and the tapped hole aperture is less than the mounting groove internal diameter, and mounting groove and the transition of through hole joint form an anchor ring.To take over from the casing threads hole one during use packs into and is weldingly fixed on the valve seat again; Because sleeve pipe one end through-hole aperture is less than the round platform external diameter; Fixing at adapter one end and valve seat welding, the sleeve pipe that is enclosed within advance in the adapter just can not come off from taking over, and anchor ring heads on round platform at this moment; Other has the assembly (like pressure transducer, pressure gauge, pressurized tank etc.) of threaded ends when sleeve pipe leaves the convenient connection of tapped hole as union; Also need during installation to set up a rubber seal in the adapter end; When sleeve pipe and assembly threaded ends are in place; The rubber seal of setting up withstands on takes between end face and the threaded ends, and rubber seal is through being out of shape end face seal.
Described top cover and valve seat are threaded; The valve seat top has tapped hole; The top cover lower end is the threaded end that matches with tapped hole; The threaded end afterbody is provided with a setting circle platform applying valve seat top end, fluting embedding seal ring on the threaded end sidewall of connection positioning round table bottom surface, and said seal ring is between the tapped hole sidewall of threaded end and valve seat.Top cover and valve seat are through being threaded, and be easy for installation, and seal ring can improve both and connect sealing.
Described spool comprises that the valve plug of being located at valve seat inner sealing water intake is connected the valve rod of valve plug and is enclosed within the spring on the valve rod with an end; The valve rod the other end inserts in the mounting hole of cap base setting; Both ends of the spring withstands top cover bottom surface and valve plug end face respectively; Valve plug is with a sealing gasket outward, establishes channel connection valve base cavity and the adapter that links to each other with top cover in the top cover.Spool adopts the existing technology of Vertical Lift Check Valves spring-loaded plunger structure, lifts valve plug through hydraulic pressure and realizes the unobstructed of safety check; Channeling in the top cover is that the water in the pressurized tank of transference top cover connection can flow to water outlet thus and makes valve plug descend, and seals water intake again and prevents the aqueous reflux waterback pump.
The described integral check valve of the utility model is integrated with the interface of a plurality of other assemblies; Be provided with to take over through perforate and let now all integrated being installed on the integral check valve of pressure transducer, pressurized tank, pressure gauge and bleed valve of independent installation separately with union; Make the mounting structure of existing complete frequency-changing water supply device more compact; Cost easy for installation reduces, and occupies little space after the installation.
Description of drawings
Fig. 1: the structure master of the utility model looks sectional view.
Fig. 2: the structure side view cutaway drawing of the utility model.
Fig. 3: the pressure gauge union enlarged diagram among Fig. 1
Among the figure: 1. valve seat, 2. sealing gasket, 3. water outlet, 4. valve plug, 5. seal ring, 6. top cover, 7. pressurized tank union, 8. pressure transducer union, 9. pressure gauge union, 10. bleed valve joint, 11. adapters, 12. tapped holes, 13. round platforms, 14. mounting grooves, 15. valve rods, 16. water intakes, 17. sleeve pipes, 18. springs, 19. passages, 20. anchor rings, 21. threaded end, 22. positioning round tables.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is done further explanation.
Shown in Fig. 1~3, integral check valve comprises the top cover 6 on valve seat 1 and its inner spool and top; Top cover 6 is threaded with valve seat 1; Valve seat 1 top has tapped hole, and top cover 6 lower ends are the threaded end 21 that matches with tapped hole, and the threaded end afterbody is provided with a setting circle platform 22 applying valve seats 1 top end; Fluting embedding seal ring 5 on threaded end 21 sidewalls of connection positioning round table 22 bottom surfaces, said seal ring 5 is between the tapped hole sidewall of threaded end 21 and valve seat 1; Described valve seat 1 bottom is provided with water intake 16; The side is provided with water outlet 3; The axis normal of water intake and water outlet becomes 90 °; Valve seat 1 is provided with assembly attachment hole conducting valve seat 1 inner chamber with top cover 6, a through hole on three through holes that described assembly attachment hole comprises valve seat 1 side and the top cover 6, and the water outlet 3 of described valve seat 1 side and three through holes are along valve seat 1 circumferential 90 ° of distributions in interval; Four through hole welding take over 11, all are with union in two adapters of adapter on the top cover and valve seat side.
An end of taking over socket union on 11 is provided with a round platform 13, and union is a sleeve pipe 17, and sleeve pipe one end is opened the hole and taken over 11 external diameters coupling; The other end has tapped hole 12, and sleeve pipe 17 inwalls are provided with an annular mounting groove 14, said mounting groove two ends connection screw thread hole 12 and through hole; Through-hole aperture is less than round platform 13 external diameters; Round platform 13 external diameters are less than tapped hole 12 apertures, and tapped hole 12 apertures are less than mounting groove 14 internal diameters, and mounting groove 14 forms an anchor ring 20 with the transition of through hole joint.
Spool comprises that the valve plug 4 of being located at valve seat 1 inner sealing water intake 16 is connected the valve rod 15 of valve plug and is enclosed within the spring 18 on the valve rod with an end; Valve rod 15 the other ends insert in the mounting hole of top cover 6 bottoms setting; Spring 18 two ends are withstood top cover 6 bottom surfaces and valve plug 4 end faces respectively; Valve plug is with a sealing gasket 2 outward, establishes passage 19 in the top cover 6 and is communicated with valve seat 1 inner chamber and the adapter 11 that links to each other with top cover 6.
During use; The water intake of valve seat bottom is connected with water pump; Water outlet in the valve seat side is connected with pipeline; Two unions of valve seat side are as pressure transducer union 8 and pressure gauge union 9 connection pressure transducer and pressure gauges respectively, the valve seat side not with the adapter of union as bleed valve joint 10 connection bleed valves, the union on the top cover is as pressurized tank union 7 connection pressurized tanks.During work, water gets into the valve seat water intake from exit of pump, reaches setting value when above at hydraulic pressure, and valve plug is by jack-up, and water gets in the valve pocket of valve seat and discharged by water outlet; Simultaneously, valve plug by the situation of jack-up under, water is upwards got in the pressurized tank on the top cover by the pressurized tank union through passage by valve base cavity, at this moment, opens the bleed valve that is connected on the bleed valve joint, discharges the residual air in the safety check; When the water outlet hydraulic pressure of water pump drops to setting value when following, the water in the pressurized tank flows to water outlet by the pressurized tank union, and this moment, valve plug descended, and the water intake of closed valve seat prevents the aqueous reflux waterback pump again.

Claims (6)

1. integral check valve; The top cover (6) that comprises valve seat (1) and its inner spool and top; It is characterized in that described valve seat (1) bottom is provided with water intake (16); The side is provided with water outlet (3), and the axis normal of water intake and water outlet becomes 90 °, and valve seat (1) and top cover (6) are provided with assembly attachment hole conducting valve seat (1) inner chamber.
2. integral check valve according to claim 1; It is characterized in that described assembly attachment hole comprises three through holes of valve seat (1) side and a through hole on the top cover (6); (11) are taken in said four through holes welding, all are with union in two adapters of adapter on the top cover and valve seat side.
3. integral check valve according to claim 2, the water outlet (3) and three through holes that it is characterized in that described valve seat (1) side are along circumferentially 90 ° of distributions at interval of valve seat (1).
4. according to claim 2 or 3 described integral check valves, it is characterized in that an end of the last socket union of described adapter (11) is provided with a round platform (13), union is a sleeve pipe (17); Sleeve pipe one end is opened hole and adapter (11) external diameter coupling; The other end has tapped hole (12), and sleeve pipe (17) inwall is provided with an annular mounting groove (14), said mounting groove two ends connection screw thread hole (12) and through hole; Through-hole aperture is less than round platform (13) external diameter; Round platform (13) external diameter is less than tapped hole (12) aperture, and tapped hole (12) aperture is less than mounting groove (14) internal diameter, and mounting groove (14) and the transition of through hole joint form an anchor ring (20).
5. integral check valve according to claim 1; It is characterized in that described top cover (6) and valve seat (1) are threaded; Valve seat (1) top has tapped hole; Top cover (6) lower end is the threaded end (21) that matches with tapped hole; The threaded end afterbody is provided with setting circle platform (22) applying valve seat (a 1) top end, fluting embedding seal ring (5) on threaded end (21) sidewall of connection positioning round table (22) bottom surface, and said seal ring (5) is positioned between the tapped hole sidewall of threaded end (21) and valve seat (1).
6. integral check valve according to claim 1; It is characterized in that described spool comprises that the valve plug (4) of being located at valve seat (1) inner sealing water intake (16) is connected the valve rod (15) of valve plug and is enclosed within the spring (18) on the valve rod with an end; Valve rod (15) the other end inserts in the mounting hole of top cover (6) bottom setting; Spring (18) two ends are withstood top cover (6) bottom surface and valve plug (4) end face respectively; Valve plug is with a sealing gasket (2) outward, establishes passage (19) in the top cover (6) and is communicated with valve seat (1) inner chamber and the adapter (11) that links to each other with top cover (6).
CN2012201149908U 2012-03-23 2012-03-23 Integrated check valve Expired - Lifetime CN202531933U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201149908U CN202531933U (en) 2012-03-23 2012-03-23 Integrated check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201149908U CN202531933U (en) 2012-03-23 2012-03-23 Integrated check valve

Publications (1)

Publication Number Publication Date
CN202531933U true CN202531933U (en) 2012-11-14

Family

ID=47133120

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012201149908U Expired - Lifetime CN202531933U (en) 2012-03-23 2012-03-23 Integrated check valve

Country Status (1)

Country Link
CN (1) CN202531933U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105882636A (en) * 2016-04-27 2016-08-24 北京长安汽车工程技术研究有限责任公司 Check valve assembly, brake system and vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105882636A (en) * 2016-04-27 2016-08-24 北京长安汽车工程技术研究有限责任公司 Check valve assembly, brake system and vehicle

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200624

Address after: Wenling City, Taizhou City, Zhejiang Province town of Ocean City 317525 Industrial Zone

Patentee after: SHIMGE PUMP (ZHEJIANG) Co.,Ltd.

Address before: Wenling City, Taizhou City, Zhejiang Province town of Ocean City 317525 Industrial Zone

Patentee before: SHIMGE PUMP INDUSTRY Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20121114