CN202674420U - Tube type constant pressure valve - Google Patents
Tube type constant pressure valve Download PDFInfo
- Publication number
- CN202674420U CN202674420U CN 201220350991 CN201220350991U CN202674420U CN 202674420 U CN202674420 U CN 202674420U CN 201220350991 CN201220350991 CN 201220350991 CN 201220350991 U CN201220350991 U CN 201220350991U CN 202674420 U CN202674420 U CN 202674420U
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- valve
- valve seat
- seat
- scaffold
- diaphragm
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Abstract
The utility model relates to a reducing valve, in particularly to a tube type constant pressure valve. The tube type constant pressure valve is characterized in that a valve seat and a valve body are arranged in split mode, wherein the valve seat is fixedly arranged on the valve body through a seat body seal, a water channel is arranged between a seat body of the valve seat and an installation frame, a water flow channel is formed between the outer circle surface of the installation frame and the inner wall surface of the valve body, and the water channel is communicated with the water flow channel. A valve core device is arranged inside the installation frame of the valve seat and comprises a valve core seat, a spring, a movable block, a membrane and a connection rod, wherein the valve core seat is fixedly arranged inside the installation frame of the valve seat in sleeved mode, and the periphery of the membrane is clamped between the installation frame of the valve seat and the valve core seat. By means of the scheme, the tube type constant pressure valve overcomes the defects in the prior art, is simple in structure, and convenient to install, stable in work, and specially good in constant pressure effect.
Description
Technical field
This practical a kind of reduction valve, particularly vial formula constant pressure valve of newly relating to.
Background technique
At present, reduction valve kind on the market is a lot, its profile and configurations, common reduction valve, include the base that offers water intake and water outlet and be successively set on the adjusting mechanism of decompressor in the base, sealing linkage mechanism and the automatic control mechanism of decompressor, wherein seal linkage mechanism and include seal membrane and push rod, described seal membrane is fixedly installed on the shoulder rank of automatic control mechanism of decompressor upper end of base, the home position of its seal membrane is offered porose, connecting rod passes this hole, this connecting rod mainly is to connect push rod and compression spring, in this technology, require again connecting rod and seal membrane to be sealed and matched, this mode is through using for a long time, sealing effect will give a discount, secondly sealing place of the periphery of seal membrane is not provided with shirt rim on the shoulder stage that is close to base, like this when hydraulic pressure is very large, seal membrane will upwards expand, the periphery of seal membrane is inwardly shunk, sealing effect can lose efficacy, but also meeting variation with temperature, the creep of material makes seal failure, so its working life and constant voltage effect are not very desirable.
The claimant has applied for a kind of " tubular constant pressure valve " patent on December 1st, 2009, this patent No. is 200920201395.6, this patent is at notice of authorization on October 27th, 2010, the patented product volume is little, and discharge pressure is stable, particularly can not be subjected to the impact of a series of external conditions such as time, temperature, now application improves on former basis, be the constant voltage better effects if of this product, take and fill conveniently, use more safe and reliable.
Summary of the invention
This practical new purpose is to overcome the deficiency that prior art exists, and a kind of simple in structure, easy for installation, a kind of novel tubular constant pressure valve that working stability, particularly constant voltage are effective is provided.
In order to realize above purpose, this is practical newly by the following technical solutions: a kind of tubular constant pressure valve, include valve body, valve seat, valve plug and valve core device, the pressure-keeping functions of realizing constant pressure valve that cooperates of described valve plug and valve seat, described valve seat is divided into water-inlet cavity and water chamber to valve body, described cone-shaped valve plug is positioned at water-inlet cavity, described valve core device is installed in the water chamber, connecting rod one end of valve core device passes that valve seat stretches into water-inlet cavity and cone-shaped valve plug is connected, it is characterized in that: described valve seat and valve body split arrange, valve seat includes pedestal and scaffold, wherein valve seat is fixedly installed on the valve body by the pedestal sealing, be provided with water channel between the pedestal of valve seat and the scaffold, consist of flow channel between the outer circumferential face of described scaffold and the internal face of valve body, water channel and flow channel connect, described valve core device is installed in the scaffold of valve seat, described valve core device includes valve core case, spring, movable block, diaphragm and connecting rod, the valve core case fixed cover is located in the valve seat scaffold, the periphery of diaphragm is clamped between valve seat scaffold and the valve core case, diaphragm is movable block and spring sealed in the cavity of valve core case, spring is arranged between movable block and the valve core case, and connecting rod is arranged on diaphragm with respect to the opposite side of movable block.
Adopt such scheme, we arrange valve seat and valve body split, processing is more convenient like this, install in addition also more convenient, moreover we are provided with scaffold at valve seat, and valve core device can be arranged on the scaffold of valve seat like this, makes the product reasonable integral structure, easy for installation, the valve core device long service life.
Further setting of the present utility model is: valve body is connected to form by buckle by two-part, be provided with grab on the pedestal of described valve seat, be provided with the draw-in groove that inserts for grab on the described valve body, be provided with the O RunddichtringO in the draw-in groove, valve seat is by grab, draw-in groove and the cooperation formation of O RunddichtringO and being sealedly and fixedly connected of valve body, the periphery of the described diaphragm with it O shape that is provided with of one encircles, and O shape ring places between the scaffold of valve core case and valve seat; The working end that described valve plug cooperates with pedestal is tapered, valve plug is with respect to being provided with spring between the opposite side of valve seat and the valve body, include positioning area and movable drawing zone on the described diaphragm, positioning area all is positioned at the periphery of diaphragm and becomes adjacent setting with movable drawing zone, the cross section of described positioning area becomes " U " shape, the end of valve core case is plugged in the positioning area of this " U " shape, makes fixing the conflict on the valve seat scaffold of positioning area of diaphragm, and described movable drawing zone cross section becomes " U " shape; At least be provided with the twice grab on the pedestal of described valve seat, the corresponding draw-in groove that inserts for each grab that is provided with is provided with seal ring in each draw-in groove on the described valve body.
By above-mentioned further scheme, make this product reasonable integral structure, wherein valve seat and valve body adopt above-mentioned mode good sealing effect, and be easy for installation; Valve plug adopts cone-shaped, and the effect of closing is relatively good, and diaphragm adopts such scheme, good sealing effect.
Newly be described in further detail originally practical below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is this practical new embodiment's opening state structural representation;
Fig. 2 is this practical new embodiment's closed condition structural representation;
Fig. 3 is this practical new embodiment's diaphragm structure schematic representation.
Embodiment
Such as Fig. 1, Fig. 2 and shown in Figure 3, a kind of tubular constant pressure valve, include valve body 1, valve seat 2, valve plug 3 and valve core device 4, the pressure-keeping functions of realizing constant pressure valve that cooperates of described valve plug 3 and valve seat 2, described valve seat 2 is divided into water-inlet cavity 11 and water chamber 12 to valve body 1, described valve plug 3 is positioned at water-inlet cavity 11, described valve core device 4 is installed in the water chamber 12, connecting rod 41 1 ends of valve core device 4 pass valve seat 2 and stretch into water-inlet cavity 11 and be connected with valve plug 3, in the utility model embodiment, described valve seat 2 and valve body 1 split setting, valve seat 2 includes pedestal 21 and scaffold 22, wherein valve seat 2 is fixedly installed on the valve body 1 by pedestal 21 sealings, be provided with water channel 23 between the pedestal 21 of valve seat 2 and the scaffold 22, consist of flow channel 24 between the internal face of the outer circumferential face of described scaffold 22 and valve body 1, water channel 23 connects with flow channel 24, described valve core device 4 is installed in the scaffold 22 of valve seat 2, valve seat 2 and valve body 1 split setting, processing is more convenient like this, install in addition also more convenient, moreover we are provided with scaffold 22 at valve seat 2, valve core device 4 can be arranged on the scaffold 22 of valve seat 2 like this, make the product reasonable integral structure, easy for installation, valve core device 4 long service life.Described valve core device 4 includes valve core case 42, spring 43, movable block 44, diaphragm 45 and connecting rod 41, valve core case 42 fixed covers are located in the valve seat scaffold 22, the periphery of diaphragm 45 is clamped between valve seat scaffold 22 and the valve core case 42, diaphragm 45 is sealed in movable block 44 and spring 43 in the cavity 421 of valve core case 42, spring 43 is arranged between movable block 44 and the valve core case 42, and connecting rod 41 is arranged on diaphragm 45 with respect to the opposite side of movable block 44.
In the utility model embodiment, valve body 1 is connected to form by buckle by two-part, be provided with grab 211 on the pedestal 21 of described valve seat 2, be provided with the draw-in groove 13 that inserts for grab 211 on the described valve body 1, be provided with seal ring 14 in the draw-in groove 13, valve seat 2 is by grab 211, the cooperation formation of draw-in groove 13 and seal ring 14 and being sealedly and fixedly connected of valve body 1, certainly better for sealing effect, we can be provided with twice grab 211 or more at pedestal 21, the corresponding draw-in groove 13 that inserts for each grab 211 that is provided with is provided with seal ring 14 in each draw-in groove 13 on the described valve body 1.The working end 31 that described valve plug 3 cooperates with pedestal 21 is tapered, valve plug 3 is with respect to being provided with spring 5 between the opposite side of valve seat 2 and the valve body 1, the periphery of the described diaphragm 45 with it O shape that is provided with of one encircles 451, O shape ring 451 places between the scaffold 22 of valve core case 42 and valve seat 2, include positioning area 452 and movable drawing zone 453 on the described diaphragm 45, positioning area 452 all is positioned at the periphery of diaphragm 45 and becomes adjacent setting with movable drawing zone 453, the cross section of described positioning area 452 becomes " U " shape, the end of valve core case 42 is plugged in the positioning area 452 of this " U " shape, make positioning area 452 fixing the conflicts on valve seat 2 scaffolds 22 of diaphragm 45, described movable drawing zone 453 cross sections become " U " shape.
Claims (4)
1. tubular constant pressure valve, include valve body, valve seat, valve plug and valve core device, the pressure-keeping functions of realizing constant pressure valve that cooperates of described valve plug and valve seat, described valve seat is divided into water-inlet cavity and water chamber to valve body, described valve plug is positioned at water-inlet cavity, described valve core device is installed in the water chamber, connecting rod one end of valve core device passes that valve seat stretches into water-inlet cavity and valve plug is connected, it is characterized in that: described valve seat and valve body split arrange, valve seat includes pedestal and scaffold, wherein valve seat is fixedly installed on the valve body by the pedestal sealing, be provided with water channel between the pedestal of valve seat and the scaffold, consist of flow channel between the outer circumferential face of described scaffold and the internal face of valve body, water channel and flow channel connect, described valve core device is installed in the scaffold of valve seat, described valve core device includes valve core case, spring, movable block, diaphragm and connecting rod, the valve core case fixed cover is located in the valve seat scaffold, the periphery of diaphragm is clamped between valve seat scaffold and the valve core case, diaphragm is movable block and spring sealed in the cavity of valve core case, spring is arranged between movable block and the valve core case, and connecting rod is arranged on diaphragm with respect to the opposite side of movable block.
2. tubular constant pressure valve according to claim 1, it is characterized in that: described valve body is connected to form by buckle by two-part, be provided with grab on the pedestal of described valve seat, be provided with draw-in groove on the described valve body, be provided with the O RunddichtringO in the draw-in groove, valve seat is by grab, draw-in groove and the cooperation formation of O RunddichtringO and being sealedly and fixedly connected of valve body, and the periphery of the described diaphragm with it O shape that is provided with of one encircles, and O shape ring places between the scaffold of valve core case and valve seat.
3. tubular constant pressure valve according to claim 2, it is characterized in that: the working end that described valve plug cooperates with pedestal is tapered, valve plug is with respect to being provided with spring between the opposite side of valve seat and the valve body, include positioning area and movable drawing zone on the described diaphragm, positioning area all is positioned at the periphery of diaphragm and becomes adjacent setting with movable drawing zone, the cross section of described positioning area becomes " U " shape, the end of valve core case is plugged in the positioning area of this " U " shape, make fixing the conflict on the valve seat scaffold of positioning area of diaphragm, described movable drawing zone cross section becomes " U " shape.
4. according to claim 2 or 3 described tubular constant pressure valves, it is characterized in that: be provided with at least the twice grab on the pedestal of described valve seat, correspondence is provided with draw-in groove on the described valve body, is provided with the O RunddichtringO in the draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350991 CN202674420U (en) | 2012-07-19 | 2012-07-19 | Tube type constant pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350991 CN202674420U (en) | 2012-07-19 | 2012-07-19 | Tube type constant pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202674420U true CN202674420U (en) | 2013-01-16 |
Family
ID=47495326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220350991 Expired - Fee Related CN202674420U (en) | 2012-07-19 | 2012-07-19 | Tube type constant pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202674420U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909836A (en) * | 2016-06-27 | 2016-08-31 | 金祖贻 | Threaded water flow direct-connection pressure reducing valve |
| CN105942867A (en) * | 2016-07-21 | 2016-09-21 | 宁波博菱电器有限公司 | Coffee machine waterway constant flow and constant pressure valve |
-
2012
- 2012-07-19 CN CN 201220350991 patent/CN202674420U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909836A (en) * | 2016-06-27 | 2016-08-31 | 金祖贻 | Threaded water flow direct-connection pressure reducing valve |
| CN105942867A (en) * | 2016-07-21 | 2016-09-21 | 宁波博菱电器有限公司 | Coffee machine waterway constant flow and constant pressure valve |
| CN105942867B (en) * | 2016-07-21 | 2019-01-08 | 宁波博菱电器股份有限公司 | Coffee machine water route constant-current constant-pressure valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20180719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |