CN211875112U

CN211875112U - Automatic water replenishing valve

Info

Publication number: CN211875112U
Application number: CN202020206029.6U
Authority: CN
Inventors: 郭建恒; 王勇
Original assignee: Gtc Gas Technology Components Co ltd
Current assignee: Gtc Gas Technology Components Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-11-06
Anticipated expiration: 2030-02-25

Abstract

The utility model aims at providing a compact structure, space occupation ratio are lower and the lower automatic water compensating valve of cost. The utility model discloses a valve body, be equipped with the water inlet route that communicates in proper order in the valve body, cavity and play water route, it is provided with the sealing member to slide in the cavity, sealing member upper end and the laminating of play water route, the lower extreme and the cavity laminating of sealing member, the lower extreme of sealing member is equipped with the recess that is linked together with the cavity, the through-hole has been seted up on the sealing member, the through-hole communicates with recess and play water route mutually, an automatic water replenishing valve still including all setting up drawing assembly and the solenoid valve unit on the valve body, drawing assembly's upper end is provided with the end cap, end cap and through-hole looks adaptation, solenoid valve unit bit in drawing assembly below and with the drawing assembly cooperation, the middle part of sealing member is encircleed and is provided with a plurality of pore of intaking, the pore is linked together with. The utility model discloses can be applied to water supply system's technical field.

Description

Automatic water replenishing valve

Technical Field

The utility model relates to a water supply system's technical field, in particular to automatic water replenishing valve.

Background

The water replenishing valve is one automatic water replenishing device for sealed water circulating system and is installed in closed heating or refrigerating system. The automatic water replenishing valve generally comprises a valve body, a valve core, a valve rod and an electromagnetic valve, wherein the valve core and the valve rod are accommodated in the valve body, the valve rod is connected with the valve core, the valve rod is driven by the electromagnetic valve to drive the valve core to move in the opening process of the automatic water replenishing valve, and a component on the valve core is loosened or a waterway is blocked to realize water replenishing operation.

At present, in the existing water replenishing valve, because a valve core is subjected to the pressure of water pressure, a large force is needed when a valve rod drives the valve core to act, so that a solenoid valve with large power is needed, and the solenoid valve with large power is often large in size, so that the space occupancy is high, the price is relatively high, and the cost is increased. In view of the above, there is a need for an automatic water replenishing valve that is compact, occupies a relatively small space, and is relatively low in cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, a compact structure, space occupation ratio are lower and the lower automatic water compensating valve of cost.

The utility model adopts the technical proposal that: the utility model comprises a valve body, a water inlet path, a cavity and a water outlet path which are sequentially communicated are arranged in the valve body, a sealing element is arranged in the cavity in a matching way, the upper end of the sealing element is jointed with the water outlet path, the lower end of the sealing element is matched with the lower end of the cavity, the upper end of the sealing element is matched with the lower end of the water outlet path, a through hole is arranged on the sealing element, the water outlet path is communicated with the upper end of the cavity through the through hole, the automatic water replenishing valve also comprises a stretching component and a solenoid valve component which are arranged on the valve body, the upper end of the stretching component is provided with an end cap which is matched with the through hole, the solenoid valve component is positioned below the stretching component and is matched with the stretching component, the middle part of the sealing element is provided with a plurality of water inlet pores in a surrounding way, the water inlet path is communicated with the, the sum of the sectional areas of the plurality of water inlet fine holes is smaller than the sectional area of the through hole.

Further, tensile subassembly includes the spiral sealing section of thick bamboo, the upper end of the spiral sealing section of thick bamboo with cavity looks adaptation and with valve body screw-thread fit, be provided with loose axle, elastic element and locating pin in the spiral sealing section of thick bamboo, the locating pin is fixed to be set up the lower extreme of the spiral sealing section of thick bamboo, the elastic element cover is established on the locating pin, the lower pot head of loose axle is established on the locating pin and with elastic element cooperatees, the end cap is fixed to be set up on the loose axle, the loose axle with the solenoid valve subassembly cooperatees.

Further, the solenoid valve subassembly includes solenoid valve and mounting, the solenoid valve cover is established on the spiral sealing section of thick bamboo, the solenoid valve with the loose axle cooperatees, the mounting cover is established on the solenoid valve and with the lower extreme stationary phase of valve body links to each other.

Further, the left side of valve body is provided with the connecting nozzle, the connecting nozzle with the valve body is fixed to be continuous, be provided with water route and lower water route in the connecting nozzle, go up the water route with go out the water route intercommunication, down the water route with the water route intercommunication.

Furthermore, a leakage-proof piece is arranged between the connecting nozzle and the valve body.

Furthermore, a check piece is arranged in the water outlet of the upper waterway.

Furthermore, the sealing element comprises a piston matched with the water outlet path and a sealing sleeve matched with the water inlet path, a limiting groove is formed in the middle of the piston, the sealing sleeve is sleeved on the limiting groove, the through hole is formed in the piston, and the water inlet pore is formed in the sealing sleeve.

Further, the check member is a check valve.

Further, the surface of the upper end of the spiral sealing cylinder is provided with an annular bulge, and the annular bulge is matched with the sealing sleeve.

Further, a water through groove is formed in the piston.

The utility model has the advantages that: because the utility model comprises a valve body, a water inlet path, a cavity and a water outlet path which are communicated in sequence are arranged in the valve body, a sealing element is arranged in the cavity in a matching way, the upper end of the sealing element is jointed with the water outlet path, the lower end of the sealing element is matched with the lower end of the cavity, the upper end of the sealing element is matched with the lower end of the water outlet path, a through hole is arranged on the sealing element, the water outlet path is communicated with the upper end of the cavity through the through hole, the automatic water replenishing valve also comprises a stretching component and a solenoid valve component which are arranged on the valve body, the upper end of the stretching component is provided with an end cap which is matched with the through hole, the solenoid valve component is positioned below the stretching component and is matched with the stretching component, the middle part of the sealing element is provided with a plurality of water inlet pores in a surrounding way, the water inlet path is communicated with, the sum of the sectional areas of the plurality of water inlet fine holes is smaller than the sectional area of the through hole. Compared with the closest prior art, the utility model has the advantages of it is following: the water inlet channel of the utility model is communicated with the upper left side of the cavity, the water outlet channel is communicated with the upper side of the cavity, the sealing element can temporarily cut off the communication relation between the water inlet channel and the water outlet channel and the cavity respectively, meanwhile, the sealing element is arranged in the cavity in a sliding way, the sliding sealing element can realize the communication of the water channel, even if the sealing element blocks the water outlet channel, water still can enter the lower end of the cavity, but the water outlet channel is not communicated with the water outlet channel because the through hole is blocked by the plug, the water flow can not flow out, therefore, the whole structure is still in a closed state, if the stretching assembly is pulled down to loosen the plug, the water in the cavity flows out through the through hole, as the aperture of the through hole is larger, the water outlet quantity is far larger than the water inlet quantity of a plurality of water inlet pores, the condition of' less than more, therefore, when the situation of less input and more output occurs, the sealing element can slowly slide downwards in the cavity due to pressure difference, the water inlet channel is communicated with the cavity and the water outlet channel, the water replenishing valve is completely in an open state, when the sealing element needs to be closed, the electromagnetic valve assembly drives the stretching assembly to move to drive the plug to move upwards to plug the through hole and move upwards to close the sealing element, and the water channel is cut off again to finish closing; by the above, the utility model discloses simple structure only needs to remove the break-make that the end cap can realize rivers, and required power is low, can adopt the solenoid valve of small volume, miniwatt, and is low, overall structure is compact, with low costs to the occupation ratio in space.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is an exploded schematic view of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

Detailed Description

As shown in fig. 1 to 4, in this embodiment, the present invention includes a valve body 1, a water inlet 2, a cavity 3 and a water outlet 4 are disposed in the valve body 1, a sealing member 5 is disposed in the cavity 3 in a fitting manner, an upper end of the sealing member 5 is attached to the water outlet 4, a lower end of the sealing member 5 is fitted to a lower end of the cavity 3, an upper end of the sealing member 5 is fitted to a lower end of the water outlet 4, a through hole 6 is disposed on the sealing member 5, the water outlet 4 is communicated with an upper end of the cavity 3 through the through hole 6, the automatic water replenishing valve further includes a stretching assembly 7 and a solenoid valve assembly 8 both disposed on the valve body 1, a plug 9 is disposed at an upper end of the stretching assembly 7, the plug 9 is adapted to the through hole 6, the solenoid valve assembly 8 is disposed below the stretching assembly 7 and is fitted to the stretching assembly 7, the middle part of the sealing element 5 is provided with a plurality of water inlet pores 10 in a surrounding manner, the water inlet channel 2 is communicated with the upper end of the cavity 3 through the water inlet pores 10, and the sum of the sectional areas of the water inlet pores 10 is smaller than that of the through hole 6. The water inlet channel 2 is used for water flow to flow in, the water outlet channel 4 is used for water flow to flow out, and a water outlet of the water inlet channel 2 and a water inlet of the water outlet channel 4 are both communicated with the cavity 3, so that a complete water channel diversion system is formed; the sealing element 5 is used for controlling the water inlet of the water inlet pipeline 2 or the water outlet of the water outlet pipeline 4, so that the water replenishing work of the automatic water replenishing valve is realized; the through hole 6 is arranged in the middle of the sealing piece 5, so that the water outlet channel 4 is communicated with the cavity 3, the stretching assembly 7 is matched with the sealing piece 5 and can push the sealing piece 5 to move upwards, the electromagnetic valve assembly 8 controls the stretching assembly 7 to move up and down, the plug 9 is fixedly arranged on the stretching assembly 7 and is matched with the through hole 6 and used for plugging the through hole 8, and the water inlet pore 10 is communicated with the water inlet channel 2 and the cavity 3 and used for guiding water flow.

The utility model discloses a theory of operation is: when the utility model is in a closed state, the plug 9 is plugged on the through hole 6, and the sealing element 5 is supported by the stretching component 7, the water outlet path 4 is plugged, no water flows into the water outlet path 4, because the water inlet pore 10 is arranged, the water flows into the cavity 3 from the water inlet pore 10, when water is needed to be supplemented, the electromagnetic valve component 8 is started to drive the stretching component 7 to move downwards, the plug 9 is separated from the through hole 6, the water in the cavity 3 is sent to the through hole 6 to flow out, and simultaneously the water inlet pore 10 is not cut off, but because the sum of the water inlet amount of the water inlet pores 10 is far less than the water outlet amount of the through hole 6, and because of the water pressure, the water inlet path 2 is high pressure, the water outlet path 3 is low pressure, the two pressure sources acting on the sealing element 5 are different, under the action of pressure difference, the sealing element 5 slides downwards until the water inlet channel 2 is communicated with the cavity 3, namely the water outlet channel 4, so that water supplement is realized; when the valve needs to be closed, the stretching assembly 7 is controlled by the solenoid valve assembly 8, so that the plug 9 is plugged on the through hole 6 again, and the sealing element 5 is forced to move upwards until the water outlet channel 4 is cut off again.

As can be seen from the above, the utility model has the advantages of reasonable overall design, compact structure, low space occupancy and low cost.

In this embodiment, the stretching assembly 7 includes a spiral sealing cylinder 71, the upper end of the spiral sealing cylinder 71 is matched with the cavity 3 and is in threaded fit with the valve body 1, a movable shaft 72, an elastic element 73 and a positioning pin 74 are arranged in the spiral sealing cylinder 71, the positioning pin 74 is fixedly arranged at the lower end of the spiral sealing cylinder 71, the elastic element 73 is sleeved on the positioning pin 74, the lower end of the movable shaft 72 is sleeved on the positioning pin 74 and is matched with the elastic element 73, the plug 9 is fixedly arranged on the movable shaft 72, and the movable shaft 72 is matched with the solenoid valve assembly 8. The circumference surface of the upper end of a spiral sealing section of thick bamboo 71 is provided with the external screw thread structure, the inner wall of cavity 3 is provided with the internal thread structure, a spiral sealing section of thick bamboo 71 with 1 screw-thread fit of valve body, it is concrete, a spiral sealing section of thick bamboo 71 with 4 screw-thread fit of cavity, the lower extreme of locating pin 74 is fixed the lower extreme of a spiral sealing section of thick bamboo 71 plays the location guide effect, elastic element 73 makes the loose axle 72 possesses the floating effect, end cap 9 sets up the upper end of loose axle 72, through loose axle 72 drives end cap 9 moves, and it is right to realize through-hole 6's shutoff or unclamp, loose axle 72 can by solenoid valve subassembly 8 control action, and it adopts magnetic material, is favorable to solenoid valve subassembly 8 controls. Further, specifically, the elastic member 73 is a telescopic spring.

In this embodiment, the electromagnetic valve assembly 8 includes an electromagnetic valve 81 and a fixing element 82, the electromagnetic valve 81 is sleeved on the spiral sealing cylinder 71, the electromagnetic valve 81 is matched with the movable shaft 72, and the fixing element 82 is sleeved on the electromagnetic valve 81 and is fixedly connected with the lower end of the valve body 1. The electromagnetic valve 81 is used for driving the movable shaft 72 to move up and down so as to drive the sealing element 5 to move, and the fixing element 82 is used for fixing the electromagnetic valve 81 at the lower end of the valve body 1. Such a configuration allows the solenoid valve 81 to be easily replaced in the event of damage or other undesirable effects to the solenoid valve 81.

In this embodiment, the left side of the valve body 1 is provided with a connecting nozzle 11, the connecting nozzle 11 is fixedly connected with the valve body 1, an upper waterway 12 and a lower waterway 13 are arranged in the connecting nozzle 11, the upper waterway 12 is communicated with the water outlet passage 4, and the lower waterway 13 is communicated with the water inlet passage 2. Through setting up the connector 11 can improve the utility model discloses an application scope can select suitable type according to service environment.

In this embodiment, a leakage prevention member 14 is provided between the connection nozzle 11 and the valve body 1. Set up leakage prevention member 14 can improve connect the mouth 11 with cooperation degree between the valve body 1 ensures connect the mouth 11 with sealed between the valve body 1 avoids appearing leaking, the condition of infiltration.

In this embodiment, a check member 15 is disposed in the water outlet of the upper waterway 12. The reverse-flow prevention piece 15 can prevent the water flow from reversely flowing, and the reverse-flow phenomenon is avoided.

The utility model discloses in, sealing member 5 include with go out the piston 51 of 4 looks adaptations in water route and with the seal cover 52 of 2 looks adaptations in water route, the middle part of piston 51 is provided with spacing groove 53, the seal cover 52 cover is established on the spacing groove 53, through-hole 6 sets up on the piston 51, it is in to go into water pore 10 sets up on the seal cover 52. The piston 51 with go out the water route 4 adaptation, seal cover 52 with cavity 3 adaptation, the homoenergetic is closely laminated and is prevented the seepage, seal cover 52 cover can obtain better cooperation effect on spacing groove 53, prevent to drop.

In the present invention, the check member 15 is a check valve.

In the present invention, the surface of the upper end of the spiral sealing cylinder 71 is provided with an annular protrusion 16, and the annular protrusion 16 is engaged with the sealing sleeve 52. The annular protrusion 16 forms a stepped structure, which can better cooperate with the sealing sleeve 52, and improves the sealing effect.

In the present invention, the piston 51 is provided with a water trough 17 for draining the water inlet pores 10.

While the embodiments of the present invention have been described in terms of practical embodiments, they are not intended to limit the scope of the invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.

Claims

1. The utility model provides an automatic water replenishing valve, includes valve body (1), its characterized in that: the automatic water replenishing valve is characterized in that a water inlet channel (2), a cavity (3) and a water outlet channel (4) which are sequentially communicated are arranged in the valve body (1), a sealing element (5) is arranged in the cavity (3) in a matched manner, the upper end of the sealing element (5) is attached to the water outlet channel (4), the lower end of the sealing element (5) is matched with the lower end of the cavity (3), the upper end of the sealing element (5) is matched with the lower end of the water outlet channel (4), a through hole (6) is formed in the sealing element (5), the water outlet channel (4) is communicated with the upper end of the cavity (3) through the through hole (6), the automatic water replenishing valve further comprises a stretching assembly (7) and an electromagnetic valve assembly (8) which are both arranged on the valve body (1), a plug (9) is arranged at the upper end of the stretching assembly (7), and the plug (9) is matched, the electromagnetic valve assembly (8) is located below the stretching assembly (7) and matched with the stretching assembly (7), a plurality of water inlet pores (10) are arranged in the middle of the sealing piece (5) in a surrounding mode, the water inlet pipeline (2) is communicated with the upper end of the cavity (3) through the water inlet pores (10), and the sum of the sectional areas of the water inlet pores (10) is smaller than that of the through hole (6).

2. The automatic water replenishing valve according to claim 1, wherein: stretching subassembly (7) include spiral sealing barrel (71), the upper end of spiral sealing barrel (71) with cavity (3) looks adaptation and with valve body (1) screw-thread fit, be provided with loose axle (72), elastic element (73) and locating pin (74) in spiral sealing barrel (71), locating pin (74) are fixed to be set up the lower extreme of spiral sealing barrel (71), elastic element (73) cover is established on locating pin (74), the lower pot head of loose axle (72) is established on locating pin (74) and with elastic element (73) cooperate, end cap (9) are fixed to be set up on loose axle (72), loose axle (72) with solenoid valve subassembly (8) cooperate.

3. The automatic water replenishing valve according to claim 2, wherein: solenoid valve subassembly (8) include solenoid valve (81) and mounting (82), solenoid valve (81) cover is established on spiral sealing section of thick bamboo (71), solenoid valve (81) with loose axle (72) cooperate, mounting (82) cover is established solenoid valve (81) go up and with the lower extreme of valve body (1) is fixed continuous.

4. The automatic water replenishing valve according to claim 1, wherein: the left side of valve body (1) is provided with connecting nozzle (11), connecting nozzle (11) with valve body (1) is fixed continuous, be provided with water route (12) and lower water route (13) in connecting nozzle (11), go up water route (12) with go out water route (4) intercommunication, lower water route (13) with water inlet (2) intercommunication.

5. The automatic water replenishing valve according to claim 4, wherein: and a leakage-proof piece (14) is arranged between the connecting nozzle (11) and the valve body (1).

6. The automatic water replenishing valve according to claim 4, wherein: an anti-reverse piece (15) is arranged in the water outlet of the upper waterway (12).

7. The automatic water replenishing valve according to claim 2, wherein: the sealing element (5) comprises a piston (51) matched with the water outlet channel (4) and a sealing sleeve (52) matched with the water inlet channel (2), a limiting groove (53) is formed in the middle of the piston (51), the sealing sleeve (52) is sleeved on the limiting groove (53), the through hole (6) is formed in the piston (51), and the water inlet pore (10) is formed in the sealing sleeve (52).

8. The automatic water replenishing valve according to claim 6, wherein: the check piece (15) is a one-way valve.

9. The automatic water replenishing valve of claim 7, wherein: the surface of the upper end of the spiral sealing cylinder (71) is provided with an annular bulge (16), and the annular bulge (16) is matched with the sealing sleeve (52).

10. The automatic water replenishing valve of claim 7, wherein: the piston (51) is provided with a water trough (17).