CN210266142U

CN210266142U - Visual water replenishing valve

Info

Publication number: CN210266142U
Application number: CN201921348050.3U
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 visual water replenishing valve belongs to valve technical field. It has solved the inconvenient scheduling problem of current water supply valve pressure adjustment. The visual water replenishing valve comprises a valve body with a valve cavity, wherein a water inlet hole and a water outlet hole are formed in the valve body, a main valve core is arranged in the valve cavity, a pressure regulating assembly is connected onto the main valve core and comprises a pressure regulating rod, a lifting gasket is connected onto the pressure regulating rod in a threaded manner, a pressure regulating spring is arranged between the lifting gasket and the main valve core, the upper end of the pressure regulating rod is fixedly connected with an outer rotating piece, a mounting groove is formed in the lower end face of the outer rotating piece, an inner gear ring is arranged on the side wall face of the mounting groove, an inner rotating piece is mounted in the mounting groove, an outer gear ring is arranged on the outer side face of the inner rotating piece, the inner gear ring is in eccentric meshing transmission with the outer gear ring, a window is arranged on the outer rotating piece, a. The visual water replenishing valve has the advantages of convenience in pressure regulation and the like.

Description

Visual water replenishing valve

Technical Field

The utility model belongs to the technical field of the valve, a visual water compensating 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. However, the pressure change cannot be seen when the pressure regulating device regulates the pressure, and the pressure regulating process is inconvenient.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a visual water compensating valve, the technical problem of solution makes the water compensating valve pressure regulating convenient.

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

a visual water replenishing valve comprises a valve body with a valve cavity, wherein a water inlet hole and a water outlet hole which are respectively communicated with the valve cavity are formed in the valve body, a main valve core is arranged in the valve cavity, a pressure regulating assembly is connected onto the main valve core, the valve body comprises a valve cover, and the visual water replenishing valve is characterized in that the pressure regulating assembly comprises a pressure regulating rod axially fixed on the valve cover, a lifting gasket circumferentially fixed with the valve cover is connected onto the pressure regulating rod in a threaded manner, a pressure regulating spring is arranged between the lifting gasket and the main valve core, the upper end of the pressure regulating rod extends out of the valve cover and is fixedly connected with an outer rotating piece, a mounting groove is formed in the lower end face of the outer rotating piece, an inner gear ring is arranged on the side wall face of the mounting groove, the inner rotating piece is mounted in the mounting groove, an outer gear ring is arranged on the, the inner rotating piece is provided with a dial capable of being observed through a window, and the outer rotating piece is provided with a pointer corresponding to the dial at the window.

The outer rotating piece is rotated to drive the pressure regulating rod and the inner rotating piece to rotate, the pressure regulating rod rotates to drive the lifting gasket to lift up and down, and therefore the deformation of the pressure regulating spring is changed, the elasticity of the pressure regulating spring is changed, and the pressure value of the water replenishing valve is adjusted. When the outer rotating part rotates, the inner rotating part is driven to rotate in a differential mode through eccentric meshing transmission of the inner gear ring and the outer gear ring, so that the pointer and the dial rotate relatively, the dial reading indicated by the pointer corresponds to the pressure value of the water replenishing valve, the pressure value of the water replenishing valve is known by reading the dial value indicated by the pointer, the change condition of the pressure value can be known when the pressure value of the water replenishing valve is adjusted, and the pressure of the water replenishing valve is adjusted conveniently.

In the above visual water replenishing valve, the window is arranged at the intersection between the outer side surface of the outer rotating member and the upper end surface of the outer rotating member, and the dial is arranged at the upper end of the inner rotating member; or the window is arranged on the outer side surface of the outer rotating part, and the dial is arranged on the outer side surface of the inner rotating part; or the window is arranged on the upper end face of the outer rotating part, and the dial is arranged on the upper end face of the inner rotating part. The arrangement facilitates the reading of the reading on the dial indicated by the pointer when the water replenishing valve regulates the pressure, so that the pressure of the water replenishing valve is convenient to regulate.

In the above visual water compensating valve, the dial is disposed obliquely. Therefore, the reading is conveniently carried out through the window, and the pressure of the water replenishing valve is convenient to regulate.

In the above visual water replenishing valve, the upper end surface of the valve cover is provided with a pressure regulating rod which penetrates through the central hole, the upper end surface of the valve cover is provided with an annular groove around the central hole, the lower end surface of the inner rotating piece is provided with a convex ring, the convex ring is embedded into the annular groove and can rotate in the annular groove, and the inner side surface of the annular groove is provided with a convex eccentric block on the inner side of the convex ring.

The eccentric block has an eccentric limiting function on the inner rotating part, so that the eccentric meshing transmission of the inner gear ring and the outer gear ring is stable, and the reading on the dial indicated by the pointer is accurate.

In the above visual water replenishing valve, the outer side surface of the annular groove is provided with the limiting block at the opposite position of the eccentric block, and the limiting block is positioned at the outer side of the convex ring. The limiting block also has an eccentric limiting function, so that the eccentric meshing transmission of the inner gear ring and the outer gear ring is further ensured to be stable, and the reading on the dial indicated by the pointer is accurate.

In the visual water replenishing valve, the edge of the upper end surface of the valve cover is provided with an annular notch, the outer rotating piece is provided with an annular bulge below the inner gear ring, and the annular bulge is embedded into the annular notch and can rotate in the annular notch.

The structure arrangement of the annular protrusion and the annular notch has a protection effect, so that impurities can be reduced from entering between the inner gear ring and the outer gear ring, the eccentric meshing transmission of the inner gear ring and the outer gear ring is smooth, and the smooth operation of pressure regulation is ensured.

In foretell visual water replenishing valve, have downwardly convex spliced pole on the bottom surface of mounting groove, the spliced pole inserts in the adversion piece, be provided with the square hole on the spliced pole, have on the pressure regulating pole with square hole complex square portion, square portion inserts in the square hole. The outer rotating piece and the pressure regulating rod are circumferentially fixed through the matching of the square hole and the square part, so that the outer rotating piece and the pressure regulating rod synchronously rotate, and the pressure of the water replenishing valve is conveniently and accurately regulated.

In the visual water replenishing valve, the outer side surface of the outer rotating piece is provided with the anti-slip strip. The anti-slip strip has the anti-slip function, so that the outer rotating piece can rotate conveniently.

In foretell visual water replenishing valve, set up the inhalant canal of intercommunication valve pocket and inlet opening on the valve body, 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 of inlet opening, inhalant canal's water inlet is seted up on the hole wall of blowhole, the outer drill way of blowhole sets up down, detachable fixedly connected with is with the end cap of the outer drill way shutoff of blowhole in the blowdown portion, install the filter screen fixed through the end cap in the blowhole, the filter screen shelters from the water inlet of inhalant canal.

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 of the water outlet hole from the valve cavity after passing through the check valve core. 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 take out the filter screen in the same direction as taking down and wash after dismantling the end cap, 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 the impurity cleaning work of this moisturizing valve can light convenient going on.

In the above visual 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 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 above visual water compensating valve, the inner end surface of the plug is provided with a convex column, the inner end surface 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 above visual water replenishing valve, the outer end face of the plug is provided with a fixing hole, a magnetizer is detachably and fixedly connected in the fixing hole, and the magnetizer is positioned in the sewage draining hole. The fixing hole can be a blind hole or a through hole. 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 above visual 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 above visual water replenishing valve, the water inlet end is provided with a water inlet connecting part 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 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 pressure regulating rod is fixedly connected with an outer rotating part, an inner rotating part is arranged in the outer rotating part, the outer rotating part is eccentrically meshed with the inner rotating part, a window and a pointer are arranged on the outer rotating part, and a dial is arranged on the inner rotating part, so that the pressure of the water replenishing valve is conveniently regulated. 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. The pressure gauge interface is arranged to facilitate the connection of the pressure gauge. The magnetizer or the magnesium bar or the aluminum bar is 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 a perspective view of the outer rotating member, the inner rotating member and the valve cover of the embodiment of the water replenishing valve;

FIG. 4 is a perspective view of an outer rotating member of the embodiment of the water replenishing valve;

FIG. 5 is an enlarged view of FIG. 2 at the outer pivot;

FIG. 6 is a front view of a second embodiment of the water refill valve;

fig. 7 is a sectional view of the second embodiment of the water replenishing valve.

In the figure, 1, a valve body; 2. a body; 2a, a valve cavity; 2b, a water inlet end; 2b1, a water inlet hole; 2b2, water inlet connection; 2c, a water outlet end; 2c1, a water outlet hole; 2c2, water outlet connection; 2d, a water inlet channel; 2e, a sewage draining part; 2e1, blowdown hole; 2e2, stop ring; 3. a valve cover; 3a, a central hole; 3b, an annular recess; 3c, an annular groove; 3d, an eccentric block; 3e, a limiting block; 4. a bonnet; 5. a check valve core; 6. a main valve element; 7. an elastic film; 8. a pressure regulating rod; 8a, a square part; 9. lifting the spacer; 10. a pressure regulating spring; 11. an outer rotating member; 11a, a mounting groove; 11b, an inner gear ring; 11c, an annular projection; 11d, a window; 11e, a pointer; 11f, anti-slip strips; 11g, an indication mark; 11h, connecting columns; 11k, square holes; 12. an inner rotating member; 12a, an outer gear ring; 12b, a convex ring; 12c, a dial; 13. a cut-off lever; 14. a secondary spring; 15. a plug; 15a, fixing holes; 16. a filter screen; 17. a magnetizer; 18. and (4) screws.

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. 1-5, a water replenishing valve includes a valve body 1, the valve body 1 includes a body 2 having a valve cavity 2a and a valve cover 3 fixedly connected to an upper end of the body 2, a water inlet end 2b and a water outlet end 2c are provided on an outer side surface of the body 2, a water inlet hole 2b1 communicated with the valve cavity 2a is provided in the water inlet end 2b, a water outlet hole 2c1 communicated with the valve cavity 2a is provided in the water outlet end 2c, a check valve core 5 is installed in the water outlet hole 2c1, a main valve core 6 is provided in the valve cavity 2a, and a pressure regulating assembly is connected to the main. An elastic membrane 7 is fixed between the valve cover 3 and the body 2, and the upper end of the main valve core 6 is fixed on the elastic membrane 7. The pressure regulating assembly comprises a pressure regulating rod 8 which is axially fixed on the valve cover 3 and can rotate in the circumferential direction, a lifting gasket 9 which is circumferentially fixed with the valve cover 3 is connected to the pressure regulating rod 8 in a threaded manner, the lifting gasket 9 can lift up and down, and a pressure regulating spring 10 is arranged between the lifting gasket 9 and the main valve core 6. The pressure regulating spring 10 is positioned above the elastic membrane 7, the upper end of the pressure regulating spring 10 is sleeved outside the pressure regulating rod 8 and is propped against the lifting gasket 9, and the lower end of the pressure regulating spring 10 is propped against the main valve core 6. A limiting strip extending downwards is arranged on the inner side surface of the valve cover 3, a limiting groove is formed in the outer edge of the lifting gasket 9, the limiting strip is embedded into the limiting groove, so that the lifting gasket 9 and the valve cover 3 are axially fixed, and the lifting gasket 9 can slide up and down; or the inner side surface of the valve cover 3 is provided with a downward extending strip-shaped limiting groove, the outer edge of the lifting gasket 9 is provided with a limiting bulge matched with the limiting groove, and the limiting bulge is embedded into the limiting groove.

The upper end of the pressure regulating rod 8 extends out of the valve cover 3 and is fixedly connected with the outer rotating part 11, the lower end face of the outer rotating part 11 is provided with a mounting groove 11a, the side wall surface of the mounting groove 11a is provided with an inner gear ring 11b, the mounting groove 11a is internally provided with the inner rotating part 12, the outer side surface of the inner rotating part 12 is provided with an outer gear ring 12a, and the inner gear ring 11b and the outer gear ring 12a are in eccentric meshing transmission. The edge of the upper end surface of the valve cover 3 is provided with an annular notch 3b, an annular protrusion 11c is arranged on the outer rotating piece 11 and positioned below the inner gear ring 11b, and the annular protrusion 11c is embedded into the annular notch 3b and can rotate in the annular notch 3 b. The bottom surface of the mounting groove 11a is provided with a connecting column 11h protruding downwards, the connecting column 11h is inserted into the inner rotating piece 12, the connecting column 11h is provided with a square hole 11k, and the pressure regulating rod 8 is provided with a square part 8a matched with the square hole 11 k. The upper end face of the valve cover 3 is provided with a central hole 3a for the pressure regulating rod 8 to pass through, the pressure regulating rod 8 passes through the central hole 3a, the square part 8a is inserted into the square hole 11k, and the screw 18 is inserted into the square hole 11k from the upper end face of the outer rotating piece 11 and is in threaded connection with the square part 8 a. A convex shoulder is arranged on the outer side surface of the pressure regulating rod 8 and between the square part 8a and the lifting gasket 9, a blocking shoulder is arranged at the lower end hole edge of the central hole 3a on the valve cover 3, and the convex shoulder is positioned below the blocking shoulder and is abutted against the blocking shoulder. An annular groove 3c is provided on the upper end surface of the valve cover 3 around the center hole 3a, and the annular groove 3c is located inside the annular recess 3 b. The lower end face of the inner rotating piece 12 is provided with a convex ring 12b, the convex ring 12b is embedded into the annular groove 3c and can rotate in the annular groove 3c, the inner side face of the annular groove 3c is provided with a convex eccentric block 3d, the eccentric block 3d is positioned on the inner side of the convex ring 12b, and the eccentric meshing transmission of the inner gear ring 11b and the outer gear ring 12a is ensured by the arrangement of the eccentric block 3 d. A limiting block 3e is arranged on the outer side surface of the annular groove 3c at the opposite position of the eccentric block 3d, and the limiting block 3e is positioned on the outer side of the convex ring 12 b. The outer rotating member 11 is provided with a window 11d, the inner rotating member 12 is provided with a dial 12c which can be observed through the window 11d, and the outer rotating member 11 is provided with a pointer 11e corresponding to the dial 12c at the window 11 d. The outer surface of the scale disk 12c is provided with scale marks and corresponding scale values in the circumferential direction, which are not shown in fig. 3. The window 11d is arranged at the intersection between the outer side surface of the outer rotating part 11 and the upper end surface of the outer rotating part 11, and the dial 12c is arranged on the upper end of the inner rotating part 12; or the window 11d is arranged on the outer side surface of the outer rotating member 11, and the dial 12c is arranged on the outer side surface of the inner rotating member 12; alternatively, the window 11d is provided on the upper end surface of the outer rotating member 11, and the dial 12c is provided on the upper end surface of the inner rotating member 12. The scale 12c is disposed at an angle for easy observation and reading. The outer side surface of the outer rotating piece 11 is provided with an anti-slip strip 11f, the upper end surface of the outer rotating piece 11 is also provided with an indication mark 11g, and the indication mark 11g can be characters or/and patterns.

The valve body 1 further comprises a valve cap 4 fixedly connected to the lower end of the body 2, and a stop component is further connected to the main valve element 6. The stop assembly comprises a stop rod 13 screwed onto the bonnet 4, and when the stop rod 13 is screwed down, the upper end of the stop rod 13 can abut against the main valve element 6 to abut against the main valve element 6 against the body 2 to close the water replenishing valve. The pressure regulating assembly further comprises an auxiliary spring 14, the auxiliary spring 14 is sleeved on the outer side of the stop rod 13, and two ends of the auxiliary spring 14 are abutted against the main valve element 6 and the valve cap 4 respectively. After the stop rod 13 is unscrewed, the pressure value set by the water replenishing valve is adjusted by screwing the adjusting rod. The water outlet end 2c is provided with a pressure gauge interface communicated with the water outlet hole 2c1, and a pressure gauge is connected in the pressure gauge interface. The water inlet end 2b is provided with a water inlet connecting part 2b2 used for being connected with the water inlet connector in a matching mode, and the water outlet end 2c is provided with a water outlet connecting part 2c2 used for being connected with the water outlet connector in a matching mode. The structures of the water inlet connecting part 2b2 and the water outlet connecting part 2c2 can be an internal thread structure, an external thread structure or a movable joint structure, and the structures of the water inlet connecting part 2b2 and the water outlet connecting part 2c2 can be the same or different.

Set up the inhalant canal 2d that communicates valve pocket 2a and inlet opening 2b1 on the valve body 1, still be provided with blowdown portion 2e on the lateral surface of valve body 1, set up the blowhole 2e1 that is located between inlet opening 2b1 and inhalant canal 2d on the blowdown portion 2e, the interior drill way of blowhole 2e1 is seted up on the hole wall face of inlet opening 2b1, the water inlet of inhalant canal 2d is seted up on the hole wall face of blowhole 2e1, the outer drill way of blowhole 2e1 sets up down. The blowdown part 2e is detachably and fixedly connected with a plug 15 for plugging an outer hole of the blowdown hole 2e1, the plug 15 is inserted into the blowdown hole 2e1 and forms threaded connection, or the plug 15 is sleeved on the blowdown part 2e and forms threaded connection, and a sealing ring is arranged between the plug 15 and the blowdown part 2 e. A filter screen 16 fixed by a plug 15 is installed in the sewage discharge hole 2e1, and the filter screen 16 shields the water inlet of the water inlet channel 2 d. The filter screen 16 is cylindrical, the inlet of the filter screen 16 is communicated with the water inlet 2b1, the hole wall surface of the sewage discharge hole 2e1 is provided with an annular baffle ring 2e2, the inner end of the filter screen 16 abuts against the baffle ring 2e2, and the outer end of the filter screen 16 abuts against the inner end surface of the plug 15. The retainer ring 2e2 is provided with an annular groove into which the inner end of the filter net 16 is fitted. A convex column is arranged on the inner end face of the plug 15, a convex limiting ring is arranged on the inner end face of the plug 15 around the convex column, and the filter screen 16 is sleeved on the outer side of the convex column and located on the inner side of the limiting ring.

The outer end face of the plug 15 is provided with a fixing hole 15a, the fixing hole 15a extends into the convex column, a magnetizer 17 is connected with the inner thread of the fixing hole 15a, and the magnetizer 17 is made of a strong magnetic material, such as neodymium iron boron material or aluminum nickel cobalt material or natural magnet material. Or a through hole is arranged on the plug 15, a magnesium rod or an aluminum rod is connected with the through hole in a threaded mode, and the magnesium rod or the aluminum rod is inserted into the sewage discharge hole 2e 1. The magnetizer 17 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 15, 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 2b2 of the water inlet end 2b is connected with the water inlet connector, the water inlet connector is connected with the water inlet pipe, the water outlet connecting part 2c2 of the water outlet end 2c is connected with the water outlet connector, and the water outlet connector 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 2b1, then enters the sewage discharge hole 2e1, enters the valve cavity 2a after being magnetized by the magnetizer 17 and filtered by the filter screen 16 and passing through the water inlet channel 2d, then flows out from the water outlet hole 2c1 after passing through the check valve core 5 from the valve cavity 2a, and the check valve core 5 can prevent the water from flowing backwards. When water passes through the water supplementing valve, the water passes through the filter screen 16 in the sewage discharge hole 2e1, impurities in the water can be retained in the sewage discharge hole 2e1 by the filter screen 16, the outer hole opening of the sewage discharge hole 2e1 is arranged downwards, and the plug 15 is fixed at the outer hole opening of the sewage discharge hole 2e1, so the impurities are accumulated at the plug 15 under the action of gravity. The end cap 15 is for dismantling the connection, when needing to clear up impurity, dismantle end cap 15, just can clear up impurity, and filter screen 16 passes through end cap 15 to be fixed in blowoff hole 2e1, can also take out filter screen 16 in the same direction as taking to wash after dismantling end cap 15, after the clearance is accomplished filter screen 16 and end cap 15 install valve body 1 again on can, clearance impurity process need not to pull down valve body 1 is whole from the pipeline, impurity cleaning work is light convenient.

When the pressure value of the water replenishing valve is adjusted, the outer rotating piece 11 is rotated, the outer rotating piece 11 drives the pressure regulating rod 8 and the inner rotating piece 12 to rotate, and the pressure regulating rod 8 rotates to drive the lifting gasket 9 to lift up and down, so that the deformation of the pressure regulating spring 10 is changed, the elasticity of the pressure regulating spring 10 is changed, and the adjustment of the pressure value of the water replenishing valve is realized. When the outer rotating element 11 rotates, the inner rotating element 12 is driven to rotate in a differential speed mode through eccentric meshing transmission of the inner gear ring 11b and the outer gear ring 12a, so that the pointer 11e and the dial 12c rotate relatively, the reading of the dial 12c indicated by the pointer 11e is the pressure value of the water replenishing valve, the pressure value can be read when the pressure value of the water replenishing valve is adjusted, and the pressure of the water replenishing valve is adjusted conveniently.

Example two

As shown in fig. 6 and 7, the position of the pressure gauge interface is different from that of the first embodiment, and other structures are the same as those of the first embodiment. Two pressure gauge interfaces communicated with the valve cavity 2a are arranged on the outer side face of the body 2, the two pressure gauge interfaces are respectively located on the front face and the back face of the body 2, a plugging cap is connected in each pressure gauge interface, and the plugging cap is taken out and then connected with a pressure gauge when the pressure gauge is required 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. A visual water replenishing valve comprises a valve body (1) with a valve cavity (2a), wherein a water inlet hole (2b1) and a water outlet hole (2c1) which are respectively communicated with the valve cavity (2a) are formed in the valve body (1), a main valve core (6) is arranged in the valve cavity (2a), a pressure regulating assembly is connected onto the main valve core (6), the valve body (1) comprises a valve cover (3), the visual water replenishing valve is characterized in that the pressure regulating assembly comprises a pressure regulating rod (8) axially fixed onto the valve cover (3), a lifting gasket (9) circumferentially fixed with the valve cover (3) is in threaded connection onto the pressure regulating rod (8), a pressure regulating spring (10) is arranged between the lifting gasket (9) and the main valve core (6), the upper end of the pressure regulating rod (8) extends out of the valve cover (3) and is fixedly connected with an outer rotating piece (11), a mounting groove (11a) is formed in the lower end face of the outer, the novel gear box is characterized in that an inner gear ring (11b) is arranged on the side wall surface of the mounting groove (11a), an inner rotating piece (12) is mounted in the mounting groove (11a), an outer gear ring (12a) is arranged on the outer side surface of the inner rotating piece (12), the inner gear ring (11b) is in eccentric engagement transmission with the outer gear ring (12a), a window (11d) is arranged on the outer rotating piece (11), a dial (12c) capable of being observed through the window (11d) is arranged on the inner rotating piece (12), and a pointer (11e) corresponding to the dial (12c) is arranged on the position, located at the window (11d), of the outer rotating piece (11).

2. A visual rehydration valve according to claim 1, characterized in that, the window (11d) is arranged at the intersection between the outer side of the outer rotor (11) and the upper end face of the outer rotor (11), the dial (12c) is arranged on the upper end of the inner rotor (12); or the window (11d) is arranged on the outer side surface of the outer rotating part (11), and the dial (12c) is arranged on the outer side surface of the inner rotating part (12); or the window (11d) is arranged on the upper end face of the outer rotating part (11), and the dial (12c) is arranged on the upper end face of the inner rotating part (12).

3. A visual rehydration valve according to claim 2, characterized in that, the dial (12c) is arranged obliquely.

4. A visual rehydration valve according to any of claims 1-3, characterized in that the valve cover (3) is provided on its upper end with a pressure regulating rod (8) passing through the central hole (3a), the valve cover (3) is provided on its upper end with an annular groove (3c) around the central hole (3a), the inner rotor (12) is provided on its lower end with a protruding ring (12b), the protruding ring (12b) is embedded in the annular groove (3c) and can rotate in the annular groove (3c), the inner side of the annular groove (3c) is provided with a protruding eccentric block (3d) on the inner side of the protruding ring (12 b).

5. The visual rehydration valve of claim 4, wherein a stop (3e) is provided on the outer side of the annular groove (3c) opposite the eccentric (3d), said stop (3e) being located outside the raised ring (12 b).

6. A visual rehydration valve according to any of claims 1-3, characterized in that the edge of the upper end surface of the valve cover (3) is provided with an annular recess (3b), the outer rotating member (11) is provided with an annular protrusion (11c) below the inner annular gear (11b), and the annular protrusion (11c) is inserted into the annular recess (3b) and can rotate in the annular recess (3 b).

7. The visual water replenishing valve according to any one of claims 1 to 3, wherein a connecting column (11h) protruding downwards is arranged on the bottom surface of the mounting groove (11a), the connecting column (11h) is inserted into the inner rotating member (12), a square hole (11k) is arranged on the connecting column (11h), a square part (8a) matched with the square hole (11k) is arranged on the pressure regulating rod (8), and the square part (8a) is inserted into the square hole (11 k).

8. The visual water replenishing valve according to any one of claims 1 to 3, characterized in that a water inlet channel (2d) communicating the valve cavity (2a) and the water inlet hole (2b1) is formed on the valve body (1), a sewage draining part (2e) is arranged on the outer side surface of the valve body (1), a sewage draining hole (2e1) between the water inlet hole (2b1) and the water inlet channel (2d) is formed on the sewage draining part (2e), an inner orifice of the sewage draining hole (2e1) is formed on the hole wall surface of the water inlet hole (2b1), a water inlet of the water inlet channel (2d) is formed on the hole wall surface of the sewage draining hole (2e1), an outer orifice of the sewage draining hole (2e1) is arranged downwards, a plug (15) for plugging the outer orifice of the sewage draining hole (2e1) is detachably and fixedly connected to the sewage draining hole (2e1) is internally provided with a filter screen (16) fixed through the filter screen (15), the filter screen (16) shields the water inlet of the water inlet channel (2 d).

9. The visual water replenishing valve according to claim 8, wherein the filter screen (16) is cylindrical, an inlet of the filter screen (16) is communicated with the water inlet hole (2b1), a ring-shaped baffle ring (2e2) is arranged on the hole wall surface of the sewage discharge hole (2e1), the inner end of the filter screen (16) abuts against the baffle ring (2e2), and the outer end of the filter screen (16) abuts against the inner end surface of the plug (15).

10. The visual water replenishing valve according to claim 8, wherein a fixing hole (15a) is formed in the outer end face of the plug (15), a magnetizer (17) is detachably and fixedly connected in the fixing hole (15a), and the magnetizer (17) is positioned in the sewage discharge hole (2e 1).