CN204852491U - Automatic water compensating valve - Google Patents
Automatic water compensating valve Download PDFInfo
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- CN204852491U CN204852491U CN201520561682.3U CN201520561682U CN204852491U CN 204852491 U CN204852491 U CN 204852491U CN 201520561682 U CN201520561682 U CN 201520561682U CN 204852491 U CN204852491 U CN 204852491U
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Abstract
The utility model discloses an automatic water compensating valve, usually, on heating system who installs at closed circulation or refrigerating system's the moisturizing pipeline, its structure is by the valve body, a water inlet, the delivery port, the pressure regulating bolt, the pressure regulating spring, the knob, constitution such as ejector pin and piston, the filter screen has been add at the water inlet, non return seat and check spring have been add to the delivery port, make automatic water compensating valve reach combined valve's result of use through above -mentioned structural design, the filtering capability who still possesses the water inlet promptly on the basis that possesses the automatic water supply function, the non return function of delivery port and by the function etc, automatic water compensating valve function after the event improves is more rich and varied, thereby it is more reasonable, the safe provides the protection to closed circulation system, simultaneously, also improve the piston structure in the valve pocket, adopted structural design uniqueness, reliable piston to carry out opening and close of automatic water compensating valve to prevent effectively that the condition that automatic water supply became invalid from taking place, has also avoided the potential safety hazard in the use.
Description
Technical field
The utility model relates to a kind of pipeline automatic valve be installed in closed circulation system, specifically refers to automatic water compensating valve.
Background technique
Automatic water compensating valve is a kind of common pipeline automatic valve, mostly be arranged on the heating system of closed cycle or the water pipe of refrigeration system, can be used for keeping system pressure a stationary value, wall-hung boiler, miniature boiler, central air conditioning water system such as, all can carry out alternative traditional water tank moisturizing with automatic water compensating valve, thus effective simplied system structure.The work of automatic water compensating valve is as follows: when the system pressure drops, and automatic water compensating valve will be opened to system water supplement automatically, and after reaching setting pressure, automatic water compensating valve will be closed automatically; Therefore, automatic water compensating valve is also a kind of service-strong Safety valve.
At present, most automatic water supplement valve arrangement is all be made up of valve body, valve pocket, water intake, water outlet, regulator bolts, pressure adjusting spring, knob, push rod and piston etc., the general function only bearing automatic water supplement, and find toward contact in actual use, when the design of intake of automatic water compensating valve has filtering function or water outlet to be designed with check function, both the multi-functional using effect of combined valve had been reached, again can be more reasonable, safe provide protection to closed circulation system, and the automatic water compensating valve of single water supplement function obviously cannot meet market demand; Meanwhile, also there is piston on-off structure design defect not reliably in these automatic water compensating valves, often occurs that the situation causing automatic water supplement to lose efficacy because of the keying problem of piston occurs in actual use, bring potential safety hazard to use.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art and provides a kind of combination to be integrated with the automatic water compensating valve of automatic water supplement function, water intake filtering function, water outlet check function and cutoff function, the piston on-off structure design of this automatic water compensating valve is unique, reliable, also effectively can avoid the potential safety hazard in using process.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of automatic water compensating valve, comprises valve body, is arranged on the valve pocket in valve body and is arranged on water intake and the water outlet of valve body side; Described valve pocket top is provided with regulator bolts and pressure adjusting spring, valve pocket bottom is provided with knob and push rod, be provided with the piston of axial lifting moving in valve pocket, described water intake is provided with filter screen, and water outlet is provided with the check spring of non-return seat and elasticity pushing tow non-return seat sealing keying water outlet.
Described filter screen profile spherically shape, this filter screen setting-in is fixed on and filters on pad, and described water intake is provided with the water supply connector connecting and compress described filtration pad, in the sphere convex of described filter screen is arranged on, outside spherical concave is arranged on.
Described non-return seat interior edge face is provided with the bulge loop of sealing water outlet, and non-return seat exterior edge face is provided with the spring stack making pushing installation for described check spring the inner.
Described water outlet is provided with the fixing jump ring of setting-in, and the outer end pushing tow of described check spring is arranged on described jump ring.
Be provided with preformed hole outside described water outlet, in this preformed hole, plug be installed.
Be provided with valve seat in the middle part of described valve pocket, this valve seat top valve pocket is set to water chamber, and valve seat bottom valve pocket is set to water-inlet cavity; Described piston is provided with flap through valve seat, and this flap seals by the axial lifting moving of piston and opens and closes into and out of water cavity; Described water intake is communicated with water-inlet cavity, and water outlet is communicated with water chamber.
Described valve body lower end is provided with the knob base that sealing is installed, and described push rod upper end rotary seal is arranged in knob base, and push rod lower end is stretched out knob base and is fixedly connected with knob; Axial lifting moving is made by knob in described push rod upper end.
Described piston is provided with the flap seat of fixing flap, and this flap seat lower end movable sealing stretches in knob base, and described push rod upper-end contact is on flap seat.
Described valve seat is a water port being arranged in the middle part of valve pocket, is arranged with and does to seal the boss contacted with described flap outside the lower surface of this water port.
Described valve body upper end is provided with the valve gap that sealing is installed, described valve gap top is provided with the regulator bolts be threaded, this regulator bolts lower end is stretched in valve gap, described pressure adjusting spring is arranged in valve gap, the upper end pushing installation of this pressure adjusting spring is in regulator bolts lower end, and the lower end pushing installation of pressure adjusting spring is in piston upper end.
Compared with prior art, the utility model mainly has additional filter screen at the water intake of automatic water compensating valve, water outlet has additional non-return seat and check spring, automatic water compensating valve is made to reach the using effect of combined valve by said structure design, namely on the basis possessing automatic water supplement function, the filtering function of water intake, the check function of water outlet and cutoff function etc. are also possessed, therefore automatic water compensating valve function after improving is more rich and varied, thus more reasonable, safe provide protection to closed circulation system; Meanwhile, also improve the piston structure in valve pocket, adopt unique, the reliable piston of structural design to carry out the keying of automatic water compensating valve, thus the situation effectively preventing automatic water supplement to lose efficacy occurs, and it also avoid the potential safety hazard in using process.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is the sectional structure schematic diagram of non-return seat.
Embodiment
To elaborate again to the utility model embodiment by above-mentioned accompanying drawing below.
As shown in Figure 1 and Figure 2,1. knob, 2. push rod, 3. flap seat, 4. valve body, 41. water-inlet cavitys, 42. water outlets, 43. preformed holes, 44. water chambers, 45. water intakes, 5. check spring, 6. non-return seat, 61. spring stacks, 62. bulge loops, 7. jump ring, 8. plug, 9. piston, 10. pressure adjusting spring, 11. regulator bolts, 12. valve gaps, 13. filter screens, 14. filter pad, 15. water supply connectors, 16. valve seats, 17. flaps, 18. knob bases.
Automatic water compensating valve, as shown in Figure 1, relate to a kind of automatic valve be arranged on the heating system of closed cycle or the water pipe of refrigeration system, it can effectively keeping system pressure be a stationary value, and its structure is mainly made up of valve body 4, water intake 45, water outlet 42, regulator bolts 11, pressure adjusting spring 10, knob 1, push rod 2 and piston 9 etc.
Be provided with upper and lower through valve pocket in described valve body 4, valve body 4 upper end is provided with the valve gap 12 that thread seal is installed, and is closed on valve pocket top by valve gap; Valve body 4 lower end is provided with the knob base 18 that sealing is installed, and is closed valve pocket bottom by knob base; Valve body 4 side is respectively equipped with water intake 45 and water outlet 42, and the water channel shaft axis of this entery and delivery port is on same level line, and simultaneously perpendicular with the water channel shaft axis of valve pocket.
The described axial lifting moving of piston 9 is arranged in valve pocket, and match to form with valve seat 16 set in valve pocket and seal keying relation, its structure is: valve seat 16 is the water ports being arranged in the middle part of valve pocket, a circle boss is arranged with outside the lower surface of this water port, valve pocket is separated into respectively upper and lower by valve seat 16, namely valve seat 16 top valve pocket is set to water chamber 44, valve seat 16 bottom valve pocket is set to water-inlet cavity 41, water chamber 44 under normality is directly connected with water outlet 42, and water-inlet cavity 41 is directly connected with water intake 45.
Described water chamber 44 is actually the ring-type containing space reserved between piston 9 and valve body 4 inner peripheral surface, piston 9 upper end outer circumferential face is also provided with "O"-ring and contacts do motive sealing with between valve body 4 inner peripheral surface; Described piston 9 lower end is provided with through valve seat 16 and makes the hard-wired flap 17 of screw thread by flap seat 3; Wherein, flap seat 3 lower end activity is stretched in knob base 18, flap seat 3 outer peripheral surface is also provided with "O"-ring as dynamic seal, forms movable sealing contact with this with knob base 18 internal surface; Flap 3 contacts with the boss of valve seat 16 by the axial lifting moving of piston 9 or departs from, thus sealing opens and closes into and out of water cavity; Above-mentioned piston 9 on-off structure design is unique, reliable, and the situation that can effectively prevent valve generation automatic water supplement to lose efficacy, it also avoid the potential safety hazard in using process.
Described regulator bolts 11 is threaded in valve gap 12 top, and this regulator bolts 11 lower end is stretched in valve gap 12; Described pressure adjusting spring 10 is arranged in valve gap 12, this pressure adjusting spring 10 adopts cylindrical spring, its upper end pushing installation is on the spring seat set by regulator bolts 11 lower end, lower end pushing installation on the spring seat set by piston 9 upper end, therefore makes piston 9 have the trend moved down all the time under the pushing tow of pressure adjusting spring 10 under normality; When after rotation regulator bolts 11, just can regulate the decrement of pressure adjusting spring 10, thus obtain the preset pressure needed for automatic water compensating valve.
Described push rod 2 upper end is rotatably installed in knob base 18, and contact with the flap seat 3 moved down by pressure adjusting spring 10 pushing tow, the outer peripheral surface of push rod 2 upper end is also provided with two pass "O"-ring and contacts do motive sealing with between knob base 18 inner peripheral surface; Push rod 2 lower end is stretched out knob base 18 and is fixedly connected with knob 1; Described knob 1 rotates and push rod 2 just can be driven to make axial lifting moving, namely the elastic force that pushing tow piston 9 overcomes pressure adjusting spring 10 makes lifting moving, thus realizing cutoff function, the project organization of this knob 1 and push rod 2 is safeguarded mainly as the Temporarily Closed of valve and is used.
Described water intake 45 is provided with filter screen 13, this filter screen profile spherically shape, and setting-in is fixed on to filter on pad 14 and forms unitary components, in filter screen 13 is arranged on according to sphere convex by filter pad sheet 14, be installed in water intake 45 outside spherical concave is arranged on, filtration pad 14 connects and compresses by the water supply connector 15 that now only need be threaded connection; Therefore, water intake 45 is made to possess the function of contaminant filter by the design of filter screen 13.
Described water outlet 42 is provided with non-return seat 6 and the check spring 5 of rubber; As shown in Figure 2, its interior edge face is provided with bulge loop 62 to non-return seat 6, and non-return seat 6 exterior edge face is provided with spring stack 61; Check spring 5 adopts taper spring, the circular cone small end pushing installation of check spring 5 is on the spring stack 61 of non-return seat 6 exterior edge face, on the large end pushing installation of the circular cone jump ring 7 that setting-in is fixing in water outlet 42 of check spring 5, therefore the bulge loop 62 of non-return seat 6 interior edge face is made to seal keying water outlet 42 by the elasticity pushing tow of check spring 5; When the valve is closed, non-return seat 6 can close water outlet 42, in case the water backflow in locking system; When the valve is open, non-return seat 6 can be opened water outlet 42 by the hydraulic pressure pushing tow in system.Described water outlet 42 is also provided with a preformed hole 43, temporarily installs a plug 8, can be used for connecing the accessories such as pressure gauge during use in it.
The utility model is the automatic water compensating valve that a combination is integrated with automatic water supplement function, water intake filtering function, water outlet check function and cutoff function; function is more rich and varied compared with conventional construction, thus more reasonable, safe provides protection to closed circulation system.
Claims (10)
1. an automatic water compensating valve, comprises valve body (4), is arranged on the valve pocket in valve body (4) and is arranged on water intake (45) and the water outlet (42) of valve body (4) side; Described valve pocket top is provided with regulator bolts (11) and pressure adjusting spring (10), valve pocket bottom is provided with knob (1) and push rod (2), the piston (9) of axial lifting moving is provided with in valve pocket, it is characterized in that described water intake (45) is provided with filter screen (13), water outlet (42) is provided with the check spring (5) of non-return seat (6) and elasticity pushing tow non-return seat (6) sealing keying water outlet (42).
2. automatic water compensating valve according to claim 1, it is characterized in that described filter screen (13) profile spherically shape, this filter screen (13) setting-in is fixed on and filters on pad (14), described water intake (45) is provided with the water supply connector (15) connecting and compress described filtration pad (14), in the sphere convex of described filter screen (13) is arranged on, outside spherical concave is arranged on.
3. automatic water compensating valve according to claim 1, it is characterized in that described non-return seat (6) interior edge face is provided with the bulge loop (62) of sealing water outlet (42), non-return seat (6) exterior edge face is provided with the spring stack (61) making pushing installation for described check spring (5) the inner.
4. automatic water compensating valve according to claim 1, it is characterized in that described water outlet (42) is provided with the fixing jump ring (7) of setting-in, the outer end pushing tow of described check spring (5) is arranged on described jump ring (7).
5. automatic water compensating valve according to claim 1, is characterized in that being provided with preformed hole (43) outside described water outlet (42), installs plug (8) in this preformed hole.
6. the automatic water compensating valve according to any one of claim 1 ~ 5, is characterized in that being provided with valve seat (16) in the middle part of described valve pocket, and this valve seat top valve pocket is set to water chamber (44), and valve seat (16) bottom valve pocket is set to water-inlet cavity (41); Described piston (9) lower end is provided with flap (17) through valve seat (16), and this flap seals by the axial lifting moving of piston (9) and opens and closes into and out of water cavity; Described water intake (45) is communicated with water-inlet cavity (41), and water outlet (42) is communicated with water chamber (44).
7. automatic water compensating valve according to claim 6, it is characterized in that described valve body (4) lower end is provided with the knob base (18) of sealing installation, described push rod (2) upper end rotary seal is arranged in knob base (18), and push rod (2) lower end is stretched out knob base (18) and is fixedly connected with knob (1); Axial lifting moving is made by knob (1) rotates in described push rod (2) upper end.
8. automatic water compensating valve according to claim 7, it is characterized in that described piston (9) lower end is provided with the flap seat (3) of fixing flap (17), this flap seat lower end movable sealing stretches in knob base (18), and described push rod (2) upper-end contact is on flap seat (3).
9. automatic water compensating valve according to claim 6, is characterized in that described valve seat (16) is a water port being arranged in the middle part of valve pocket, is arranged with and does to seal the boss contacted with described flap (17) outside the lower surface of this water port.
10. automatic water compensating valve according to claim 1, it is characterized in that described valve body (4) upper end is provided with the valve gap (12) of sealing installation, described valve gap top is provided with the regulator bolts (11) be threaded, this regulator bolts lower end is stretched in valve gap (12), described pressure adjusting spring (10) is arranged in valve gap (12), the upper end pushing installation of this pressure adjusting spring (10) is in regulator bolts (11) lower end, and the lower end pushing installation of pressure adjusting spring (10) is in piston (9) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520561682.3U CN204852491U (en) | 2015-07-30 | 2015-07-30 | Automatic water compensating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520561682.3U CN204852491U (en) | 2015-07-30 | 2015-07-30 | Automatic water compensating valve |
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| Publication Number | Publication Date |
|---|---|
| CN204852491U true CN204852491U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520561682.3U Active CN204852491U (en) | 2015-07-30 | 2015-07-30 | Automatic water compensating valve |
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| CN (1) | CN204852491U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018053668A1 (en) * | 2016-09-22 | 2018-03-29 | 叶惠东 | Ultra-supercritical spherical sealed check valve having bypass |
| CN109611567A (en) * | 2019-01-17 | 2019-04-12 | 广东万家乐燃气具有限公司 | It is a kind of to integrate water transfer, pressure release, draining, the water supply connector of water supplement function |
| CN109973690A (en) * | 2017-12-27 | 2019-07-05 | 浙江云畅能源科技有限公司 | Water compensating valve water route component and its wall-hung boiler heating system |
| CN110594422A (en) * | 2019-09-27 | 2019-12-20 | 广东万家乐燃气具有限公司 | Manual-automatic water replenishing valve and water heater |
-
2015
- 2015-07-30 CN CN201520561682.3U patent/CN204852491U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018053668A1 (en) * | 2016-09-22 | 2018-03-29 | 叶惠东 | Ultra-supercritical spherical sealed check valve having bypass |
| CN109973690A (en) * | 2017-12-27 | 2019-07-05 | 浙江云畅能源科技有限公司 | Water compensating valve water route component and its wall-hung boiler heating system |
| CN109611567A (en) * | 2019-01-17 | 2019-04-12 | 广东万家乐燃气具有限公司 | It is a kind of to integrate water transfer, pressure release, draining, the water supply connector of water supplement function |
| CN109611567B (en) * | 2019-01-17 | 2023-11-14 | 广东万家乐燃气具有限公司 | Collect water regulating, pressure release, drainage, moisturizing function in water inlet joint |
| CN110594422A (en) * | 2019-09-27 | 2019-12-20 | 广东万家乐燃气具有限公司 | Manual-automatic water replenishing valve and water heater |
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