CN204756056U - Automatic control differential pressure valve - Google Patents
Automatic control differential pressure valve Download PDFInfo
- Publication number
- CN204756056U CN204756056U CN201520231130.6U CN201520231130U CN204756056U CN 204756056 U CN204756056 U CN 204756056U CN 201520231130 U CN201520231130 U CN 201520231130U CN 204756056 U CN204756056 U CN 204756056U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- port
- valve port
- disk
- 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 - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000012736 aqueous medium Substances 0.000 abstract description 2
- 241000446313 Lamella Species 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Landscapes
- Fluid-Driven Valves (AREA)
Abstract
The utility model provides an automatic control differential pressure valve, including the valve body that has delivery port and water inlet, go up valve gap, valve gap and case down, go up the valve gap and fix respectively with valve gap down and set up in the upper end and the lower extreme of valve body, upward fixing between valve gap both ends and the valve body and being provided with the diaphragm, it has last valve port and lower valve port to open on the valve body inner wall, case one end and diaphragm fixed connection, the case other end run through valve port and lower valve port and are connected with the positioning disk, positioning disk both sides fixedly connected with spring, the spring other end and lower valve gap fixed connection, the case includes valve rod and two valve clacks that distribute along the valve rod axial, two the valve clack welding is on the valve rod. The utility model discloses a bivalve lamella structure, and the three regulation pole equipartition of valve clack is at circle on the baffle, the valve clack weld on the valve rod, the case of this kind of structure location is accurate, the valve port open, close the flexibility, the straight line non -resistance that stretches out and draws back, the equilibrant of valve rod is good, the aqueous medium resistance coefficient reduce.
Description
Technical field
The utility model belongs to pressure difference valve field, especially relates to a kind of self-controlling pressure difference limen being applied to the good unsteady flow air-conditioning system of heating system.
Background technique
Pressure difference valve mainly relies on and is automatically adjusted by the change of tune medium pressure itself, the changes in flow rate that the residual pressure of automatic elimination pipe network and pressure surge cause, constant inlet outlet pressure differential, the operation of stable system.Its complex structure of existing pressure difference valve, and pipe network balance quality is poor, resistance to water-flow is high, therefore needs to carry out further optimization and conformity to the inside of pressure difference valve and external structure.
Summary of the invention
In view of this, the utility model is intended to propose a kind of self-controlling pressure difference limen, to keep pipe network pressure balance, reduces resistance to water-flow coefficient.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of self-controlling pressure difference limen, comprise with the valve body of water outlet and water intake, bonnet, bottom flange and spool, described bonnet and bottom flange are fixedly installed on the top and bottom of valve body respectively; Be fixedly installed diaphragm between described bonnet two ends and valve body, described valve interior wall have valve port and lower valve port; Described spool comprises valve rod and two flaps along valve rod axial distribution, and two described flaps are welded on valve rod; Described valve rod one end is fixedly connected with diaphragm, and the valve rod the other end runs through valve port and lower valve port and is connected with positioning disk; Described positioning disk both sides are fixedly connected with spring, and the described spring the other end is fixedly connected with bottom flange; Described flap comprise round baffle plate and with welded three adjustable levers of circle baffle plate, three described adjustable levers are uniformly distributed along the circumference of flap; The central position of described bonnet has multistage attachment hole.
Further, described positioning disk comprises a second order disk and three positioning rods, and described central position has tapped hole, and three described positioning rods are welded in the bigger diameter end face of second order disk, and are uniformly distributed along the circumference of second order disk.
Further, the lower end of described valve rod is connected by screw-thread fit with positioning disk, and passes through fastening nuts; The two ends up and down of described its center position are respectively provided with a platen, and diaphragm and platen are run through in the upper end of described valve rod, and pass through fastening nuts.
Further, the round baffle plate diameter of described flap is greater than valve port diameter.
Relative to prior art, self-controlling pressure difference limen described in the utility model has following advantage:
(1) the utility model adopts Double-clack structure, and three of flap adjustable levers are distributed on round baffle plate, and flap is welded on valve rod, the spool accurate positioning of this structure, unlatching, the closedown of valve port are flexible, linear telescopic non-resistance, the equilibrant of valve rod is good, and aqueous medium resistance coefficient reduces.
(2) positioning disk of the present utility model is designed to three contour positioning rods and is welded on positioning disc, three positioning rods play the role of positioning, positioning disc, for installing fixing spring, relies on positioning disk to achieve the location of flap and the effect of fixing spring simultaneously.
(3) upper end cap structure of the present utility model is simple, is easy to processing, and upper end cap and valve body, diaphragm form another and intake or the pressure stabilizing cavity of water outlet, realize the adjustment of pressure reduction.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation described in the utility model embodiment;
Fig. 2 is the plan view of spool described in the utility model embodiment;
Fig. 3 is that the B-B of Fig. 2 is to sectional view;
Fig. 4 is the positioning disk structural representation described in the utility model embodiment;
Fig. 5 is the upper end cap structural representation described in the utility model embodiment;
Fig. 6 is the fundamental diagram described in the utility model embodiment.
Description of reference numerals:
1-valve body, 2-bonnet, 3-diaphragm, 4-flap, 5-spring, 6-positioning disk, the upper valve port of 7-, 8-lower valve port, 9-water outlet, 10-water intake, 11-bottom flange, 12-platen, 13-valve rod, 14-water-inlet cavity, 15-pressure stabilizing cavity, 16-water chamber, the multistage attachment hole of 21-, 41-circle baffle plate, 42-adjustable lever, 61-second order disk, 62-positioning rod.
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
A kind of self-controlling pressure difference limen as shown in Fig. 1 to 5, comprise with the valve body 1 of water outlet 9 and water intake 10, bonnet 2, bottom flange 11 and spool 17, described bonnet 2 and bottom flange 11 are fixedly installed on the top and bottom of valve body 1 respectively; Be fixedly installed diaphragm 3 between described bonnet 2 two ends and valve body 1, described valve body 1 inwall has valve port 7 and lower valve port 8; Described spool 17 comprises valve rod 13 and two flap 4, two described flaps 4 along valve rod 13 axial distribution are welded on valve rod 13; Described valve rod 13 one end is fixedly connected with diaphragm 3, and valve rod 13 the other end runs through valve port 7 and lower valve port 8 and is connected with positioning disk 6; Described positioning disk 6 both sides are fixedly connected with spring 5, and described spring 5 the other end is fixedly connected with bottom flange 11; Described flap 4 comprises round baffle plate 41 and is uniformly distributed with the circumference of welded three adjustable levers, 42, three the described adjustable levers 42 of circle baffle plate 41 along flap 4; The central position of described bonnet 2 has multistage attachment hole 21.
Described positioning disk 6 comprises a second order disk 61 and three positioning rods 62, and described second order disk 61 central position has tapped hole, and three described positioning rods 62 are welded in the bigger diameter end face of second order disk 61, and are uniformly distributed along the circumference of second order disk 61.
The lower end of described valve rod 13 is connected by screw-thread fit with positioning disk 6, and passes through fastening nuts; The two ends up and down of described its center position are respectively provided with a platen 12, and diaphragm 3 and platen 12 are run through in the upper end of described valve rod 13, and pass through fastening nuts.
Round baffle plate 41 diameter of described flap 4 is greater than valve port 7 diameter.
The working procedure of the present embodiment, as shown in Figure 6, the pressure P 2 in water-inlet cavity 14 equals the pressure P 3 in water chamber 16, i.e. P2=P3; When the system pressure P1 in pressure stabilizing cavity 15 increases, pressure in pressure stabilizing cavity 15 is greater than the pressure in water-inlet cavity 14, i.e. P1>P2, matrix 3 will move down with movable valve plug 17 aperture turning down upper valve port 7 and lower valve port 8, the pressure P 2 of water-inlet cavity 14 is increased, maintains the constant of P1-P2 user's pressure reduction; When the system pressure P1 in pressure stabilizing cavity 15 reduces, pressure in water-inlet cavity 14 is greater than the pressure in pressure stabilizing cavity 15, i.e. P2>P1, spring 5 will promote matrix 3 and move up with movable valve plug 17 and increase the aperture of upper valve port 7 and lower valve port 8, maintains the constant of user's pressure reduction P1-P2.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a self-controlling pressure difference limen, it is characterized in that: comprise with the valve body (1) of water outlet (9) and water intake (10), bonnet (2), bottom flange (11) and spool (17), described bonnet (2) and bottom flange (11) are fixedly installed on the top and bottom of valve body (1) respectively; Be fixedly installed diaphragm (3) between described bonnet (2) two ends and valve body (1), described valve body (1) inwall have valve port (7) and lower valve port (8); Described spool (17) comprises valve rod (13) and two flaps (4) along valve rod (13) axial distribution, and two described flaps (4) are welded on valve rod (13); Described valve rod (13) one end is fixedly connected with diaphragm (3), and valve rod (13) the other end runs through valve port (7) and lower valve port (8) and is connected with positioning disk (6); Described positioning disk (6) both sides are fixedly connected with spring (5), and described spring (5) the other end is fixedly connected with bottom flange (11); Described flap (4) comprise round baffle plate (41) and with circle baffle plate (41) welded three adjustable levers (42), three described adjustable levers (42) are uniformly distributed along the circumference of flap (4); The central position of described bonnet (2) has multistage attachment hole (21).
2. self-controlling pressure difference limen according to claim 1, it is characterized in that: described positioning disk (6) comprises a second order disk (61) and three positioning rods (62), described second order disk (61) central position has tapped hole, three described positioning rods (62) are welded in the bigger diameter end face of second order disk (61), and are uniformly distributed along the circumference of second order disk (61).
3. self-controlling pressure difference limen according to claim 1, is characterized in that: the lower end of described valve rod (13) is connected by screw-thread fit with positioning disk (6), and passes through fastening nuts; The two ends up and down of described its center position are respectively provided with a platen (12), and diaphragm (3) and platen (12) are run through in the upper end of described valve rod (13), and pass through fastening nuts.
4. self-controlling pressure difference limen according to claim 1, is characterized in that: round baffle plate (41) diameter of described flap (4) is greater than valve port (7) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231130.6U CN204756056U (en) | 2015-04-15 | 2015-04-15 | Automatic control differential pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520231130.6U CN204756056U (en) | 2015-04-15 | 2015-04-15 | Automatic control differential pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204756056U true CN204756056U (en) | 2015-11-11 |
Family
ID=54470763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520231130.6U Expired - Fee Related CN204756056U (en) | 2015-04-15 | 2015-04-15 | Automatic control differential pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204756056U (en) |
-
2015
- 2015-04-15 CN CN201520231130.6U patent/CN204756056U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203614776U (en) | Spool of water-saving joint | |
| CN203170474U (en) | External mixing aerial fog nozzle | |
| CN204756056U (en) | Automatic control differential pressure valve | |
| CN208633219U (en) | A kind of angle valve with non-return structure | |
| GB2594320A (en) | Small water heater | |
| CN204553961U (en) | A kind of reduction valve | |
| CN105318030A (en) | Ball valve suitable for gas-liquid two-phase flow | |
| CN206103166U (en) | Steady voltage fire hydrant that pressure monitoring is timely | |
| CN202733099U (en) | Self-operated flow control valve capable of automatically regulating pressure difference | |
| CN210950075U (en) | Pressure reducer with stable outlet pressure | |
| CN202580184U (en) | Flow stabilizing device with main and secondary valve | |
| CN209925725U (en) | Self-operated pressure regulating valve | |
| CN211779207U (en) | Constant pressure valve for gas cylinder gun | |
| CN204312790U (en) | Rock gas meander formula pressure governor | |
| CN208348016U (en) | Compressor outlet constant-current stabilizer | |
| CN202756644U (en) | Precision air current throttle valve | |
| CN205001546U (en) | Can realize waiting regulation ball valve of percentage flow characteristic | |
| CN207778811U (en) | A kind of low noise gas water heater water path structure and metal hose | |
| CN202597827U (en) | Novel automatic pressure reducing and stabilizing and current stabilizing device | |
| CN206592604U (en) | A kind of pilot valve is based on the agricultural irrigation heavy caliber pressure-reducing valve with pressure principle | |
| CN201916566U (en) | Large-bore medium-pressure regulating valve structure | |
| CN206626227U (en) | A kind of antiwind flushable decompression venting valve of agricultural irrigation heavy caliber | |
| CN110307357A (en) | A kind of radial-flow gas pressure regulator, governor | |
| CN204061968U (en) | A kind of ball valve of applicable gas-liquid two-phase flow | |
| CN210265880U (en) | Valve opening and closing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 301712 Tianjin City Economic Zone of ancient town Wuqing District No. 5 Gu Xing Lu King Patentee after: TIANJIN ZHIYUAN MACHINERY MANUFACTURING CO.,LTD. Address before: 301712 Tianjin City Economic Zone of ancient town Wuqing District No. 5 Gu Xing Lu King Patentee before: TIANJIN ZHI YUAN INDUSTRY AND TRADE Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 |