CN210266075U

CN210266075U - Water replenishing valve

Info

Publication number: CN210266075U
Application number: CN201921346699.1U
Authority: CN
Inventors: 瞿鹤梦
Original assignee: Yuhuan Hemeng Fitting Co ltd
Current assignee: Yuhuan Hemeng pipe fittings Co.,Ltd.
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-04-07
Anticipated expiration: 2029-08-19

Abstract

The utility model provides a water replenishing valve belongs to valve technical field. It has solved the inconvenient scheduling problem of current water replenishing valve impurity clearance. This water replenishing valve, including the valve body that has the valve pocket, be equipped with inlet opening and apopore on the valve body, install the non return case in the apopore, be provided with the main valve core in the valve pocket, be connected with the pressure regulating subassembly on the main valve core, set up the inhalant canal of intercommunication valve pocket and inlet opening on the valve body, still be provided with blowdown portion on the lateral surface of valve body, set up the blowhole that is located between inlet opening and the inhalant canal in the blowdown portion, the interior drill way of blowhole is seted up on the hole wall face of inlet opening, inhalant canal's water inlet is seted up on the hole wall face of blowhole, the outer drill way of blowhole sets up down, detachable fixedly connected with is with the end cap of the outer orifice shutoff of blowhole in the blowdown portion, install the filter screen fixed through the end. The water replenishing valve has the advantages of convenience in impurity cleaning and the like.

Description

Water replenishing valve

Technical Field

The utility model belongs to the technical field of the valve, a water replenishing valve is related to.

Background

The valve is used for controlling the medium in the pipeline and is a mechanical product with a movable mechanism. The water replenishing valve is installed in the water replenishing pipeline of closed circulating heating or refrigerating system, and can maintain the pressure of the system automatically at set value and prevent hot water from returning to the cold water pipeline.

Chinese patent literature data discloses an automatic water supply valve [ application number: CN 200620105702.7; the notice number is: CN200943768Y ], comprising a valve body, a water inlet and a water outlet, wherein a sealing pair consisting of a main valve seat, a sealing element, a valve core connecting rod and a valve core baffle is arranged in the valve body, a pressure regulating device linked with the main valve seat is arranged at the upper part of the sealing pair, a manual control device linked with the sealing element is arranged at the lower part of the sealing pair, a filter screen is arranged at the water inlet, and a one-way valve and an unloading valve are arranged at the water outlet.

When the water pressure at the water outlet is reduced to a set value, the valve core connecting rod and the valve core baffle plate move downwards together under the action of the spring, so that high-pressure water at the water inlet flows into the water outlet, and when the water pressure at the water outlet is increased by a certain value, the valve core connecting rod and the valve core baffle plate move upwards together, so that the sealing pair is closed. The pressure regulating device can compress or loosen the spring by regulating the regulating screw, so as to realize the regulation of the pressure of the automatic water replenishing valve which is automatically closed. In addition, the manual control device can be used during maintenance, and water at the water inlet can not enter the water outlet any more as long as the main valve seat is moved upwards to seal the sealing pair. The filter screen is arranged at the water inlet, so that sundries can be effectively prevented from entering the sealing pair or the water outlet end, the blockage of the automatic water replenishing valve is caused to influence the normal work of the water replenishing valve, the backflow of water is effectively prevented due to the one-way valve, the work efficiency is improved, the unloading valve can unload and deflate the water outlet, and the automatic water replenishing valve can work efficiently and stably.

When the impurities on the filter screen influence normal water inlet, the filter screen needs to be taken out for cleaning or replaced by a new filter screen. The filter screen is fixed in the valve body water inlet in foretell moisturizing valve, and when the impurity on the filter screen was too much need wash or change, need take out whole valve body, then get the instrument through special clamp and take out the filter screen, after the filter screen washs or trades new filter screen, the reuse is got the instrument and is embedded into the valve body water inlet with clean filter screen, then is connected to the pipeline again with whole valve body in the pipeline. The whole valve body needs to be disassembled and assembled for impurity cleaning, so that the operation of impurity cleaning is time-consuming, labor-consuming and inconvenient.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a water supplementing valve, the technical problem of solution makes water supplementing valve's the light convenience of impurity cleaning work how.

The purpose of the utility model can be realized by the following technical proposal:

a water replenishing valve comprises a valve body with a valve cavity, wherein a water inlet end and a water outlet end are arranged on the outer side surface of the valve body, a water inlet hole communicated with the valve cavity is formed in the water inlet end, a water outlet hole communicated with the valve cavity is formed in the water outlet end, a check valve core is installed in the water outlet hole, a main valve core is arranged in the valve cavity, a pressure regulating assembly is connected onto the main valve core, a water inlet channel communicated with the valve cavity and the water inlet hole is formed in the valve body, a sewage discharging part is further arranged on the outer side surface of the valve body, a sewage discharging hole between the water inlet hole and the water inlet channel is formed in the sewage discharging part, an inner orifice of the sewage discharging hole is formed in the hole wall surface of the water inlet hole, a water inlet of the water inlet channel is formed in the hole wall surface of the sewage discharging hole, an outer orifice of the sewage discharging hole is arranged downwards, and, and a filter screen fixed through a plug is arranged in the sewage discharge hole, and the filter screen shields the water inlet of the water inlet channel.

When the water replenishing valve is used, water enters the valve body from the water inlet hole, then enters the sewage discharge hole, enters the valve cavity after passing through the water inlet channel after being filtered by the filter screen, and then flows out from the water outlet hole after passing through the check valve core from the valve cavity, and the check valve core can prevent water from flowing backwards. The pressure regulating assembly can regulate the set pressure of the water replenishing valve, so that the water replenishing valve has the functions of pressure regulating, automatic water replenishing and automatic turn-off. Water passes through the filter screen in the blowoff hole when passing through the water replenishing valve, and the filter screen can be detained the impurity of aquatic in the blowoff hole, because the outer orifice of blowoff hole sets up down, and the outer orifice department at the blowoff hole is fixed to the end cap, consequently impurity deposits up in end cap department under the effect of gravity. The end cap is for dismantling the connection, when needing to clear up impurity, dismantles the end cap, just can clear up impurity, and the filter screen passes through the end cap to be fixed in the sewage drain, can also tear the filter screen out in the same direction as taking out after tearing down the end cap and wash, after the clearance is accomplished with filter screen and end cap reinstallate on the valve body can, the clearance impurity process need not to pull down the valve body is whole from the pipeline, therefore this water compensating valve's structure can make the impurity cleaning work of water compensating valve light convenient.

In the water replenishing valve, the filter screen is in a cylindrical shape, an inlet of the filter screen is communicated with the water inlet hole, an annular blocking ring is arranged on the hole wall surface of the sewage discharge hole, the inner end of the filter screen abuts against the blocking ring, and the outer end of the filter screen abuts against the inner end surface of the plug. Therefore, when the plug is taken out from the sewage discharge hole, the filter screen can be taken out along with the plug, so that the impurity cleaning work is easy and convenient.

In the water replenishing valve, the baffle ring is provided with an annular groove, and the inner end of the filter screen is embedded into the annular groove. The annular groove has a positioning function, so that the filter screen is stably installed, the filter screen is prevented from shifting to influence the filter effect, and the filter effect of the water replenishing valve is good.

In the water replenishing valve, the inner end face of the plug is provided with a convex column, the inner end face of the plug is provided with a convex limiting ring around the convex column, and the filter screen is sleeved outside the convex column and positioned inside the limiting ring. When the filter screen is installed, the filter screen is sleeved on the convex column and inserted into the inner side of the limiting ring, then the filter screen and the plug are inserted into the sewage discharge hole together, and the filter screen is convenient to install after the convex column and the limiting ring are arranged, so that the impurity cleaning work of the water replenishing valve is easy and convenient.

In the water replenishing valve, the plug is provided with a through hole, and a drain valve is fixed in the through hole. After the water replenishing valve is closed, the drain valve is opened, and water is discharged from the drain valve, so that impurities in the drain hole can be brought out, the impurity cleaning work can be realized, and the impurity cleaning work is easy and convenient.

In the water replenishing valve, the outer end face of the plug is provided with a mounting hole, the mounting hole extends into the convex column, and a magnetizer is detachably and fixedly connected in the mounting hole. The mounting holes may be blind holes or through holes. The magnetizer generates a magnetic field, when water flow passes through the magnetizer at a certain flow speed to cut magnetic lines of force, various molecules and ions in the water body can be magnetized to a certain degree, the original physical characteristics are changed, and the scaling capacity of the water body is damaged. Meanwhile, when the magnetized water is used as cooling water, the original calcium, magnesium and other plasma structures on the pipeline can be loosened and fall off, and the water is discharged along with water flow. The water replenishing valve has a magnetizing function, so that the service life of equipment can be prolonged, and the effects of saving water and energy are achieved.

In the water replenishing valve, the plug is provided with a through hole, a magnetizer, a magnesium rod or an aluminum rod is detachably fixed in the through hole, and the magnetizer, the magnesium rod or the aluminum rod is inserted into the sewage discharge hole. The magnetizer, the magnesium bar and the aluminum bar have the functions of descaling and softening water quality.

In the water replenishing valve, the water outlet end is provided with a pressure gauge connector communicated with the water outlet hole, or the outer side surface of the valve body is provided with two pressure gauge connectors communicated with the valve cavity. The arrangement of the pressure gauge interface facilitates the connection of the pressure gauge and the measurement of the water pressure in the valve.

In the water replenishing valve, the water inlet end is provided with a water inlet connecting part which is used for being connected with the water inlet connector in a matching manner, and the water outlet end is provided with a water outlet connecting part which is used for being connected with the water outlet connector in a matching manner. The water inlet connecting part and the water outlet connecting part are arranged to facilitate the connection and installation of the water replenishing valve.

Compared with the prior art, the utility model has the advantages of it is following:

the blowdown hole is formed in the valve body and located between the water inlet hole and the water inlet channel, the inner hole opening of the blowdown hole is formed in the hole wall face of the water inlet hole, the water inlet of the water inlet channel is formed in the hole wall face of the blowdown hole, the outer hole opening of the blowdown hole is arranged downwards and is fixedly provided with the detachable plug, and the filter screen shielding the water inlet of the water inlet channel is fixed in the blowdown hole through the plug, so that the impurity cleaning work of the water replenishing valve is easy and convenient. Through the arrangement of the convex column and the limiting ring, the filter screen is convenient to install and position. The pressure gauge interface is arranged to facilitate the connection of the pressure gauge. The magnetizer, the magnesium bar or the aluminum bar are connected on the plug, so that the water quality is improved. The water replenishing valve is convenient to connect by arranging the water inlet connecting part and the water outlet connecting part.

Drawings

FIG. 1 is a front view of a first embodiment of the water refill valve;

FIG. 2 is a sectional view of a first embodiment of the water replenishing valve;

FIG. 3 is an enlarged view of the drain in FIG. 2;

FIG. 4 is a front view of a second embodiment of the water refill valve;

fig. 5 is a sectional view of the second embodiment of the water replenishing valve.

In the figure, 1, a valve body; 1a, a valve cavity; 1b, a water inlet end; 1b1, a water inlet hole; 1b2, water inlet connection; 1c, a water outlet end; 1c1, a water outlet hole; 1c2, water outlet connection; 1d, a water inlet channel; 1e, a sewage disposal part; 1e1, blowdown hole; 1e2, stop ring; 1e3, annular groove; 1f, a pressure gauge interface; 2. a check valve core; 3. a main valve element; 4. a voltage regulating component; 4a, a pressure regulating rod; 4b, a stop lever; 4c, a main spring; 4d, an auxiliary spring; 4e, an elastic film; 4f, locking a nut; 5. a plug; 5a, a convex column; 5b, a limiting ring; 5c, mounting holes; 6. a filter screen; 7. a magnetizer; 8. and a pressure gauge.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1-3, a water replenishing valve includes a valve body 1 having a valve cavity 1a, a water inlet end 1b and a water outlet end 1c are disposed on an outer side surface of the valve body 1, a water inlet hole 1b1 communicated with the valve cavity 1a is disposed in the water inlet end 1b, a water outlet hole 1c1 communicated with the valve cavity 1a is disposed in the water outlet end 1c, a check valve core 2 is installed in the water outlet hole 1c1, a main valve core 3 is disposed in the valve cavity 1a, and a pressure regulating assembly 4 is connected to the main valve core 3. The upper end of the valve body 1 is connected with a valve cover, an elastic membrane 4e is fixed between the valve cover and the valve body 1, the upper end of the main valve element 3 is fixed on the elastic membrane 4e, and the lower end of the valve body 1 is connected with a valve cap. The pressure regulating assembly 4 comprises a pressure regulating rod 4a in threaded connection with the valve cover and a stop rod 4b in threaded connection with the valve cap, a main spring 4c is arranged between the pressure regulating rod 4a and the main valve core 3, and an auxiliary spring 4d is arranged between the stop rod 4b and the main valve core 3. The pressure regulating rod 4a is in threaded connection with a locking nut 4f, and the locking nut 4f abuts against the upper end face of the valve cover. After the stop rod 4b is screwed down, the main valve core 3 abuts against the valve body 1 to stop and close the water replenishing valve, and after the stop rod 4b is unscrewed, the set pressure of the water replenishing valve is adjusted by screwing the adjusting rod. A pressure gauge port 1f communicated with the water outlet hole 1c1 is arranged on the water outlet end 1c, and a pressure gauge 8 is connected in the pressure gauge port 1 f. The water inlet end 1b is provided with a water inlet connecting part 1b2 used for being connected with the water inlet connector in a matching mode, and the water outlet end 1c is provided with a water outlet connecting part 1c2 used for being connected with the water outlet connector in a matching mode. The structures of the water inlet connecting part 1b2 and the water outlet connecting part 1c2 can be an internal thread structure, an external thread structure or a loose joint structure, and the structures of the water inlet connecting part 1b2 and the water outlet connecting part 1c2 can be the same or different.

The water inlet channel 1d communicating the valve cavity 1a with the water inlet hole 1b1 is formed in the valve body 1, a sewage discharging part 1e is further arranged on the outer side face of the valve body 1, a sewage discharging hole 1e1 located between the water inlet hole 1b1 and the water inlet channel 1d is formed in the sewage discharging part 1e1, the inner hole opening of the sewage discharging hole 1e1 is formed in the hole wall face of the water inlet hole 1b1, the water inlet of the water inlet channel 1d is formed in the hole wall face of the sewage discharging hole 1e1, and the outer hole opening of the sewage discharging hole 1e1 is arranged downwards. The blowdown portion 1e is detachably and fixedly connected with a plug 5 for plugging an outer hole of the blowdown hole 1e1, the plug 5 is inserted into the blowdown hole 1e1 and forms threaded connection, or the plug 5 is sleeved on the blowdown portion 1e and forms threaded connection, and a sealing ring is arranged between the plug 5 and the blowdown portion 1 e. A filter screen 6 fixed by a plug 5 is arranged in the sewage discharge hole 1e1, and the filter screen 6 shields the water inlet of the water inlet channel 1 d. The filter screen 6 is cylindrical, the inlet of the filter screen 6 is communicated with the water inlet 1b1, the hole wall surface of the sewage discharge hole 1e1 is provided with an annular baffle ring 1e2, the inner end of the filter screen 6 abuts against the baffle ring 1e2, and the outer end of the filter screen 6 abuts against the inner end surface of the plug 5. The retainer ring 1e2 is provided with an annular groove 1e3, and the inner end of the filter screen 6 is inserted into the annular groove 1e 3. A convex column 5a is arranged on the inner end face of the plug 5, a convex limiting ring 5b is arranged on the inner end face of the plug 5 around the convex column 5a, and the filter screen 6 is sleeved on the outer side of the convex column 5a and is positioned on the inner side of the limiting ring 5 b.

The outer end face of end cap 5 is provided with mounting hole 5c, and mounting hole 5c extends to in the projection 5a, and detachable fixedly connected with magnetizer 7 in mounting hole 5c, magnetizer 7 is made by strong magnetic material, for example neodymium iron boron material or alnico material or natural magnetite material etc.. Or a through hole is formed in the plug 5, a magnesium rod or an aluminum rod is detachably fixed in the through hole, and the magnesium rod or the aluminum rod is inserted into the sewage discharge hole 1e 1. The magnetizer 7 can reduce the generation of scale, and the magnesium rod or the aluminum rod has the functions of descaling and softening water quality. Or a through hole is formed in the plug 5, a drain valve is fixed in the through hole, and impurities are cleaned by opening the drain valve.

When the water replenishing valve is connected, the water inlet connecting part 1b2 of the water inlet end 1b is connected with the water inlet joint, the water inlet joint is connected with the water inlet pipe, the water outlet connecting part 1c2 of the water outlet end 1c is connected with the water outlet joint, and the water outlet joint is connected with the water outlet pipe. When the water replenishing valve is used, water enters the valve body 1 from the water inlet hole 1b1, then enters the sewage discharge hole 1e1, is magnetized by the magnetizer 7 and filtered by the filter screen 6, then enters the valve cavity 1a through the water inlet channel 1d, and then flows out from the valve cavity 1a through the check valve core 2 and then flows out from the water outlet hole 1c1, and the check valve core 2 can prevent the water from flowing backwards. The pressure regulating assembly 4 can regulate the set pressure of the water replenishing valve, so that the water replenishing valve has the functions of pressure regulation, automatic water replenishing and automatic closing. When water passes through the water supplementing valve, the water passes through the filter screen 6 in the sewage discharge hole 1e1, impurities in the water can be retained in the sewage discharge hole 1e1 by the filter screen 6, the outer hole opening of the sewage discharge hole 1e1 is arranged downwards, and the plug 5 is fixed at the outer hole opening of the sewage discharge hole 1e1, so the impurities are accumulated at the plug 5 under the action of gravity. End cap 5 is for dismantling the connection, when needing to clear up impurity, dismantle end cap 5, just can clear up impurity, and filter screen 6 passes through end cap 5 to be fixed in blowoff hole 1e1, can also take out filter screen 6 in the same direction as taking to wash after dismantling end cap 5, after the clearance is accomplished with filter screen 6 and end cap 5 install valve body 1 again on can, the clearance impurity process need not to pull down valve body 1 is whole from the pipeline, consequently this water compensating valve's structure can make the impurity cleaning work of water compensating valve light convenient.

Example two

As shown in fig. 4 and 5, the position of the pressure gauge port 1f is different from that of the first embodiment, and the other structure is the same as that of the first embodiment. Two pressure gauge interfaces 1f communicated with the valve cavity 1a are arranged on the outer side face of the valve body 1, the two pressure gauge interfaces 1f are respectively located on the front face and the back face of the valve body 1, a plugging cap is connected in the pressure gauge interfaces 1f, and the plugging cap is taken out and then connected with the pressure gauge 8 when the pressure gauge 8 needs to be connected.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made or substituted in a similar manner to the specific embodiments described herein by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the appended claims.

Claims

1. The water replenishing valve comprises a valve body (1) with a valve cavity (1a), wherein a water inlet end (1b) and a water outlet end (1c) are arranged on the outer side surface of the valve body (1), a water inlet hole (1b1) communicated with the valve cavity (1a) is arranged in the water inlet end (1b), a water outlet hole (1c1) communicated with the valve cavity (1a) is arranged in the water outlet end (1c), a check valve core (2) is arranged in the water outlet hole (1c1), a main valve core (3) is arranged in the valve cavity (1a), a pressure regulating assembly (4) is connected onto the main valve core (3), a water inlet passage (1d) communicated with the valve cavity (1a) and the water inlet hole (1b1) is arranged on the valve body (1), the water replenishing valve is characterized in that a sewage discharging part (1e) is further arranged on the outer side surface of the valve body (1), and a sewage discharging hole (1e1) between the water inlet hole (1b1) and the water inlet passage (, the interior drill way of blowoff hole (1e1) is seted up on the hole wall of inlet opening (1b1), the water inlet of inhalant canal (1d) is seted up on the hole wall of blowoff hole (1e1), the outer drill way of blowoff hole (1e1) sets up down, detachable fixedly connected with is gone up end cap (5) with the outer drill way shutoff of blowoff hole (1e1) in blowoff portion (1e), install in blowoff hole (1e1) through end cap (5) fixed filter screen (6), filter screen (6) shelter from the water inlet of inhalant canal (1 d).

2. The water replenishing valve according to claim 1, wherein the filter screen (6) is cylindrical, the inlet of the filter screen (6) is communicated with the water inlet hole (1b1), the hole wall surface of the sewage discharge hole (1e1) is provided with an annular baffle ring (1e2), the inner end of the filter screen (6) abuts against the baffle ring (1e2), and the outer end of the filter screen (6) abuts against the inner end surface of the plug (5).

3. The water refill valve according to claim 2, wherein the baffle ring (1e2) is provided with an annular groove (1e3), and the inner end of the filter screen (6) is embedded in the annular groove (1e 3).

4. The water replenishing valve according to claim 2, wherein a convex column (5a) is arranged on the inner end surface of the plug (5), a convex limiting ring (5b) is arranged on the inner end surface of the plug (5) around the convex column (5a), and the filter screen (6) is sleeved on the outer side of the convex column (5a) and is positioned on the inner side of the limiting ring (5 b).

5. The water replenishing valve according to any one of claims 1 to 4, wherein a through hole is arranged on the plug (5), and a drain valve is fixed in the through hole.

6. The water replenishing valve according to claim 4, wherein the outer end face of the plug (5) is provided with a mounting hole (5c), the mounting hole (5c) extends into the convex column (5a), and a magnetizer (7) is detachably and fixedly connected in the mounting hole (5 c).

7. The water replenishing valve according to any one of claims 1 to 4, wherein a through hole is formed in the plug (5), a magnetizer (7), a magnesium rod or an aluminum rod is detachably fixed in the through hole, and the magnetizer (7), the magnesium rod or the aluminum rod is inserted into the sewage discharge hole (1e 1).

8. The water replenishing valve according to any one of claims 1 to 4, wherein a pressure gauge port (1f) communicated with the water outlet hole (1c1) is arranged on the water outlet end (1c), or two pressure gauge ports (1f) communicated with the valve cavity (1a) are arranged on the outer side surface of the valve body (1).

9. The water replenishing valve according to any one of claims 1 to 4, wherein the water inlet end (1b) is provided with a water inlet connecting part (1b2) for being matched and connected with a water inlet joint, and the water outlet end (1c) is provided with a water outlet connecting part (1c2) for being matched and connected with a water outlet joint.