CN216009679U

CN216009679U - Multifunctional cold water valve

Info

Publication number: CN216009679U
Application number: CN202122758823.9U
Authority: CN
Inventors: 王高能
Original assignee: Zhejiang Hengjie Copper Co ltd
Current assignee: Zhejiang Hengjie Copper Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-03-11
Anticipated expiration: 2031-11-11

Abstract

The utility model provides a multi-functional cold water valve belongs to valve manufacturing technical field. It has solved the not high scheduling problem of current valve safety in utilization. This multi-functional cold water valve includes the valve body, be equipped with the guide holder in the valve body, the axial is worn to be equipped with the case in the guide holder, the inner of case inlays and is equipped with sealed the pad, the outer end of case is connected with the compact heap, the valve body is equipped with the diaphragm, the inner circle of diaphragm inlays and locates the valve rod outer wall and compresses tightly by the compact heap, the valve gap axial is worn to be equipped with the regulation pole, the regulation pole has linked firmly adjusting damper, it is equipped with spring one to adjust the pole cover, the valve body has the outlet, outlet threaded connection has the valve rod that leaks, the outlet threaded connection's outer wall has the cutting face, the inner axial of valve rod that leaks is worn to be equipped with the sluicing case, the bottom of sluicing case is inlayed and is equipped with the rubber pad, sluicing valve rod cover is equipped with spring two. The utility model has the advantages of compact structure, good use safety and the like.

Description

Multifunctional cold water valve

Technical Field

The utility model belongs to the technical field of the valve is made, in particular to multi-functional cold water valve.

Background

The change of the pressure difference of inlet and outlet water in the pipeline can cause the damage of parts on the lower water outlet side, so the opening of the valve is required to be adjusted by the action of the pressure difference, and the change of the resistance of the pipeline is compensated by the change of the pressure drop of the valve core, thereby the pipeline can keep the pressure difference basically unchanged when the working condition changes.

For example, chinese patent literature discloses a dynamic differential pressure balance valve [ application number: 201020534970.7, respectively; authorization notice number: CN201827476U ], which comprises a valve body and a valve core, wherein a diaphragm is arranged in the valve body, the diaphragm divides the valve body into a control cavity and a water passing cavity which are adjacent up and down, one end of the valve core is fixedly connected with the diaphragm, the other end of the valve core is positioned at the water passing cavity, a spring is arranged in the control cavity, two ends of the spring respectively act on the valve body and the diaphragm, the control cavity is provided with a pressure guide port for communicating with a water inlet end of a user, and the valve core has a tendency of reducing the opening degree of the valve under the elastic force action of the spring.

The dynamic differential pressure balance valve can realize the regulation and control of differential pressure, but has larger volume, the pressure guide port is not convenient to install and arrange, and when the pipeline on the lower water outlet side is blocked, water pressure cannot be discharged in time, the pipeline and the valve are damaged, and the use safety is not ideal enough.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a compact structure, adjust convenient and the multi-functional cold water valve that safety in utilization is good.

The purpose of the utility model can be realized by the following technical proposal: a multifunctional cold water valve comprises a valve body with a water inlet and a water outlet, wherein a water passing hole communicated with the water inlet and the water outlet is formed in the valve body, the valve body is internally provided with a guide seat which axially penetrates through the water passing hole and is axially communicated with the water passing hole, the guide seat is provided with a radial hole which radially communicates with the water inlet, a valve core axially penetrates through the guide seat, the inner end of the valve core extends out of the guide seat and is embedded with a sealing gasket, the outer end of the valve core extends out of the guide seat and is connected with a pressing block, the valve body is provided with a membrane positioned at the outer end of the guide seat, a valve cover which tightly presses the outer ring of the membrane is in threaded connection with the valve body, the inner ring of the membrane is embedded in the outer wall of a valve rod and is tightly pressed by the pressing block, an adjusting rod axially penetrates through the valve cover and is fixedly connected with an adjusting baffle which is positioned in the valve cover and is in threaded connection with the inner wall of the valve cover, the inner end of the adjusting rod penetrates through the pressing block, the adjusting rod sleeve is provided with a first spring positioned between the adjusting baffle and the pressing block, the inner end of the valve core is provided with a water passing channel communicated with a cavity between the diaphragm and the guide seat, the valve body is provided with a water drainage port communicated with the water outlet, the water drainage port is in threaded connection with a water drainage valve rod, the outer wall of the water drainage valve rod in threaded connection with the water drainage port is provided with a cutting surface, the inner end of the water drainage valve rod axially penetrates through the water drainage valve core, a rubber pad is embedded at the bottom of the water drainage valve core, and the water drainage valve rod sleeve is provided with a second spring and the second spring provides elastic force to enable the rubber pad to keep the trend of being sealed at the inner end of the water drainage port.

In the multifunctional cold water valve, the upper end of the second spring props against a stop shoulder arranged on the water drain valve rod, and the lower end of the second spring props against a radially outward convex shoulder arranged on the water drain valve core.

In the multifunctional cold water valve, the outer wall of the water release opening is provided with an annular groove, the water release opening is sleeved with a water release connector, the water release connector is provided with an annular bulge embedded in the annular groove, the water release connector is also provided with a sealing part which is turned inwards and sealed on the outer wall of the outer end of the water release valve rod, the side part of the water release connector is provided with an inclined joint part, and the joint part is hollow and is communicated with a gap between the cutting surface of the water release valve rod and the water release opening.

In foretell multi-functional cold water valve, the valve body have with cross the regulation hole of the coaxial setting of water hole, the regulation hole in wear to be equipped with the adjusting valve rod, the radial evagination of the inner of adjusting valve rod is inlayed and is equipped with the sealing washer sealed in the regulation hole inner wall, the outer end of adjusting valve rod stretches out the regulation hole and with adjusting hole threaded connection, the outer end of adjusting valve rod has linked firmly the hand wheel.

In the multifunctional cold water valve, the valve body is provided with the movable connecting pipe and the locking cap at the end part of the water inlet, the locking cap is in threaded connection with the valve body, the outer end of the locking cap is provided with the turned edge turned inwards, the inner end of the movable connecting pipe is provided with the turned edge turned outwards, the turned edge is positioned between the turned edge and the end part of the water inlet, and the movable connecting pipe is provided with the external thread.

In the multifunctional cold water valve, an annular sealing ring is arranged between the folded edge and the folded edge, a cylindrical filter screen is arranged in the water inlet, the inner end of the filter screen is a closed end, the outer end of the filter screen is an open end, and the outer end of the filter screen is provided with an embedding edge which is radially outwards turned and embedded into the sealing ring.

In the multifunctional cold water valve, the inner end of the water outlet of the valve body is provided with a check valve core for preventing the water outlet from flowing reversely.

In the multifunctional cold water valve, the valve body is provided with a water outlet side pipe, the water outlet side pipe is communicated with the side part of the water outlet, and the water outlet side pipe is in threaded connection with a plug.

Compared with the prior art, the multifunctional cold water valve has the advantages of compact structure, convenience in adjustment, good working stability, good use safety and long service life.

Drawings

Fig. 1 is a perspective view of the multi-functional cold water valve.

Fig. 2 is a structural plan view of the multifunctional cold water valve.

Fig. 3 is a structural sectional view of the multi-functional cold water valve.

Fig. 4 is another angle structure section view of the multifunctional cold water valve.

In the figure, 1, a valve body; 1a, a water inlet; 1b, a water outlet; 1c, a water outlet; 2. a guide seat; 3. a valve core; 3a, a water passing channel; 4. a gasket; 5. a compression block; 6. a membrane; 7. a valve cover; 8. adjusting a rod; 9. adjusting the baffle; 10. a first spring; 11. a drain valve stem; 12. a water drain valve core; 13. a rubber pad; 14. a second spring; 15. a water drainage joint; 15a, a sealing part; 15b, a joint part; 16. adjusting the valve rod; 17. a seal ring; 18. a hand wheel; 19. a loose joint pipe; 20. a locking cap; 21. a seal ring; 22. a filter screen; 23. a check valve core; 24. a water outlet side pipe; 25. and (7) a plug.

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.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the multifunctional cold water valve comprises a valve body 1 with a water inlet 1a and a water outlet 1b, a water passing hole communicating the water inlet 1a and the water outlet 1b is arranged in the valve body 1, a guide seat 2 axially penetrating the water passing hole and axially penetrating is arranged in the valve body 1, the guide seat 2 is provided with a radial hole radially penetrating and communicating with the water inlet 1a, a valve core 3 axially penetrates through the guide seat 2, the inner end of the valve core 3 extends out of the guide seat 2 and is embedded with a sealing pad 4, the outer end of the valve core 3 extends out of the guide seat 2 and is connected with a pressing block 5, the valve body 1 is provided with a diaphragm 6 arranged at the outer end of the guide seat 2, the valve body 1 is in threaded connection with a valve cover 7 pressing the outer ring of the diaphragm 6, the inner ring of the diaphragm 6 is embedded in the outer wall of a valve rod and is pressed by the pressing block 5, the valve cover 7 is axially penetrated with an adjusting rod 8, the adjusting rod 8 is fixedly connected with an adjusting baffle 9 positioned in the valve cover 7 and in threaded connection with the inner wall of the valve cover 7, the inner end of the adjusting rod 8 penetrates through the pressing block 5, the adjusting rod 8 is sleeved with a first spring 10 located between the adjusting baffle 9 and the pressing block 5, the inner end of the valve core 3 is provided with a water passing channel 3a communicated with a cavity between the diaphragm 6 and the guide seat 2, the water passing channel 3a comprises a blind hole axially formed in the inner end of the valve core 3 and a radial hole radially formed in the position, close to the outer end, of the valve core 3, the inner wall of the guide seat 2 is cut to form a water passing gap communicated with the radial hole in the valve core 3, the valve body 1 is provided with a water outlet 1c communicated with the water outlet 1b, the water outlet 1c is in threaded connection with a water outlet valve rod 11, the outer wall of the water outlet 1c in threaded connection with the water outlet 11 is provided with a cutting surface, a water draining valve core 12 axially penetrates through the inner end of the water draining valve rod 11, a rubber pad 13 is embedded at the bottom of the water draining valve core 12, the water draining valve rod 11 is sleeved with a second spring 14, and the second spring 14 provides elasticity to enable the rubber pad 13 to keep the trend of the inner end of the water outlet 1c sealed.

The multifunctional cold water valve omits the prior pressure guide port, so that the structure is compact; before the use, according to the requirement of setting for water pressure, the operator rotates the adjusting rod 8, the adjusting rod 8 drives the adjusting baffle 9 to rotate, the adjusting baffle 9 spirally goes up and down along the inner wall of the valve cover 7, thereby adjusting the elasticity of the first spring 10, the difference between the water pressure of the water inlet 1a and the elasticity of the first spring 10 determines the opening size between the inner end sealing gasket 4 of the valve core 3 and the inner end of the guide seat 2, therefore, the purpose of adjusting the opening size between the inner end sealing gasket 4 of the valve core 3 and the inner end of the guide seat 2 is achieved, the adjustment is convenient, in addition, the operator rotates the water drainage valve rod 11 to go up and down along the axial direction of the water drainage opening 1c, the elasticity of the second spring 14 can be adjusted, namely, the acting force of the rubber gasket 13 sealed at the inner end of the water drainage opening 1c is adjusted, and the adjustment is also convenient.

When the multifunctional cold water valve is used, water flow of the water inlet 1a enters from the radial hole of the guide seat 2 and flows through the inner end of the valve core 3, and then flows out of the water outlet 1b, wherein the water passing through the inner end of the valve core 3 flows into a cavity between the guide seat 2 and the membrane 6 from the water passing channel 3a, and the water pressure of the cavity is equal to that of the water inlet 1 a; when the water pressure of the water inlet 1a is increased, the water pressure of a cavity between the guide seat 2 and the diaphragm 6 is increased and overcomes the elastic force of the first spring 10, so that the valve core 3 moves upwards, the opening between the sealing gasket 4 at the inner end of the valve core 3 and the inner end of the guide seat 2 is reduced, the water yield is reduced, and the water outlet pressure is constant; when the water pressure of the water inlet 1a is reduced, the water pressure of a cavity between the guide seat 2 and the diaphragm 6 is smaller, the valve core 3 moves downwards due to the elastic force of the first spring 10, the opening degree between the sealing gasket 4 at the inner end of the valve core 3 and the inner end of the guide seat 2 is increased, the water yield is increased, and the water outlet pressure is constant; when the water pressure of the water outlet 1b is increased rapidly, the water pressure of the water outlet 1b overcomes the elastic force of the second spring 14 to push the water drain valve core 12 to move upwards, the rubber pad 13 is separated from the inner end of the water drain port 1c, water flows out from the gap between the cutting surface of the water drain valve rod 11 and the water drain port 1c to drain water, the multifunctional cold water valve and a front end pipeline are prevented from being damaged, after the water pressure of the water outlet 1b is recovered, the elastic force of the second spring 14 enables the water drain valve core 12 to move downwards, and the rubber pad 13 is sealed at the inner end of the water drain port 1c again, so that the use safety is good.

In more detail, the upper end of the second spring 14 abuts against a stop shoulder arranged on the drain valve rod 11, and the lower end of the second spring 14 abuts against a radially outward convex shoulder arranged on the drain valve core 12, so that the second spring 14 is stably positioned and has good working stability; the outer wall of the water drainage opening 1c is provided with an annular groove, the water drainage opening 1c is sleeved with a water drainage connector 15, the water drainage connector 15 is provided with an annular protrusion embedded in the annular groove, the water drainage connector 15 is further provided with a sealing part 15a which is turned inwards and sealed on the outer wall of the outer end of the water drainage valve rod 11, the side part of the water drainage connector 15 is provided with an inclined connector part 15b, the connector part 15b is hollow and communicated with a gap between the cutting surface of the water drainage valve rod 11 and the water drainage opening 1c, the water drainage connector 15 is used for draining water, the direction of the connector part 15b can be changed by rotating the water drainage connector 15, the connector part 15b is convenient to connect with a water drainage pipe, and the operation is convenient.

The valve body 1 is provided with an adjusting hole which is coaxial with the water passing hole, an adjusting valve rod 16 is arranged in the adjusting hole in a penetrating mode, the inner end of the adjusting valve rod 16 protrudes outwards in the radial direction and is embedded with a sealing ring 17 sealed on the inner wall of the adjusting hole, the outer end of the adjusting valve rod 16 extends out of the adjusting hole and is in threaded connection with the adjusting hole, and the outer end of the adjusting valve rod 16 is fixedly connected with a hand wheel 18. By rotating the hand wheel 18, the adjusting valve rod 16 can be driven to be close to or far away from the inner end of the valve core 3, the inner end of the adjusting valve rod 16 is abutted against the inner end of the valve core 3 to determine the maximum opening, and the adjustment is convenient.

The valve body 1 is provided with a movable connecting pipe 19 and a locking cap 20 at the end part of the water inlet 1a, the locking cap 20 is in threaded connection with the valve body 1, the outer end of the locking cap 20 is provided with a flanging which is turned inwards, the inner end of the movable connecting pipe 19 is provided with a flanging which is turned outwards, the flanging is positioned between the flanging and the end part of the water inlet 1a, the movable connecting pipe 19 is provided with external threads, and the movable connecting pipe 19 rotates smoothly and is convenient to connect; have between hem and the turn-ups to be annular sealing ring 21, be equipped with the filter screen 22 that is the tube-shape and the inner of filter screen 22 is the blind end in water inlet 1a, and the outer end of filter screen 22 is for opening mouthful, and the outer end of filter screen 22 has the embedding limit of radially turning up and embedding sealing ring 21, and sealing ring 21 makes the leakproofness between hem and the turn-ups good, and filter screen 22 plays the filtering action for it is clean to go out water.

The inner end of the water outlet 1b of the valve body 1 is provided with a check valve core 23 for preventing the water outlet 1b from flowing back, the check valve core 23 prevents the water outlet 1b from flowing back, the working stability is good, the check valve core 23 is of the existing structure, and the description is omitted; the valve body 1 is provided with a water outlet side pipe 24, the water outlet side pipe 24 is communicated with the side part of the water outlet 1b, the water outlet side pipe 24 is in threaded connection with a plug 25, the plug 25 is taken down, and the water outlet side pipe 24 can be externally connected with a pressure gauge or a thermometer or a pipeline, so that the installation and the arrangement are convenient.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made 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 accompanying claims.

Claims

1. A multifunctional cold water valve comprises a valve body (1) with a water inlet (1 a) and a water outlet (1 b), wherein a water passing hole for communicating the water inlet (1 a) and the water outlet (1 b) is formed in the valve body (1), and the multifunctional cold water valve is characterized in that a guide seat (2) which is axially penetrated and arranged in the water passing hole and axially penetrated is arranged in the valve body (1), the guide seat (2) is provided with a radial hole which is radially penetrated and communicated with the water inlet (1 a), a valve core (3) is axially penetrated and arranged in the guide seat (2), the inner end of the valve core (3) extends out of the guide seat (2) and is embedded with a sealing gasket (4), the outer end of the valve core (3) extends out of the guide seat (2) and is connected with a pressing block (5), the valve body (1) is provided with a membrane (6) which is arranged at the outer end of the guide seat (2), the valve body (1) is in threaded connection with a valve cover (7) for pressing the outer ring of the membrane (6), the inner ring of the diaphragm (6) is embedded in the outer wall of the valve rod and is compressed by the compression block (5), the valve cover (7) axially penetrates through the adjusting rod (8), the adjusting rod (8) is fixedly connected with an adjusting baffle (9) which is positioned in the valve cover (7) and is in threaded connection with the inner wall of the valve cover (7), the inner end of the adjusting rod (8) penetrates through the compression block (5), the adjusting rod (8) is sleeved with a spring I (10) which is positioned between the adjusting baffle (9) and the compression block (5), the inner end of the valve core (3) is provided with a water passing channel (3 a) which is communicated with a cavity between the diaphragm (6) and the guide seat (2), the valve body (1) is provided with a water drainage port (1 c) which is communicated with the water outlet (1 b), the water drainage port (1 c) is in threaded connection with a water drainage valve rod (11), and the outer wall of the water drainage valve rod (11) and the water drainage port (1 c) are in threaded connection is provided with a cutting surface, a water drainage valve core (12) axially penetrates through the inner end of the water drainage valve rod (11), a rubber gasket (13) is embedded at the bottom of the water drainage valve core (12), a second spring (14) is sleeved on the water drainage valve rod (11), and the second spring (14) provides elasticity to enable the rubber gasket (13) to keep the trend of sealing the inner end of the water drainage opening (1 c).

2. The multifunctional cold water valve according to claim 1 is characterized in that the upper end of the second spring (14) abuts against a stop shoulder arranged on the drain valve rod (11), and the lower end of the second spring (14) abuts against a radially outward convex shoulder arranged on the drain valve core (12).

3. The multifunctional cold water valve as claimed in claim 1 or 2, wherein the outer wall of the drain opening (1 c) is provided with an annular groove, the drain opening (1 c) is sleeved with a drain joint (15), the drain joint (15) is provided with an annular protrusion embedded in the annular groove, the drain joint (15) is further provided with a sealing part (15 a) which is folded inwards and sealed on the outer wall of the outer end of the drain valve rod (11), the side part of the drain joint (15) is provided with an inclined joint part (15 b), and the joint part (15 b) is hollow and is communicated with a gap between the cutting surface of the drain valve rod (11) and the drain opening (1 c).

4. The multifunctional cold water valve according to claim 3 is characterized in that the valve body (1) is provided with an adjusting hole which is coaxial with the water passing hole, an adjusting valve rod (16) penetrates through the adjusting hole, the inner end of the adjusting valve rod (16) protrudes outwards in the radial direction and is embedded with a sealing ring (17) sealed on the inner wall of the adjusting hole, the outer end of the adjusting valve rod (16) extends out of the adjusting hole and is in threaded connection with the adjusting hole, and the outer end of the adjusting valve rod (16) is fixedly connected with a hand wheel (18).

5. The multifunctional cold water valve according to claim 4 is characterized in that a loose joint pipe (19) and a locking cap (20) are arranged at the end part of the water inlet (1 a) of the valve body (1), the locking cap (20) is in threaded connection with the valve body (1), the outer end of the locking cap (20) is provided with a flange turned inwards, the inner end of the loose joint pipe (19) is provided with a flange turned outwards, the flange is positioned between the flange and the end part of the water inlet (1 a), and the loose joint pipe (19) is provided with external threads.

6. The multifunctional cold water valve according to claim 5 is characterized in that an annular sealing ring (21) is arranged between the folded edge and the folded edge, a cylindrical filter screen (22) is arranged in the water inlet (1 a), the inner end of the filter screen (22) is a closed end, the outer end of the filter screen (22) is an open end, and the outer end of the filter screen (22) is provided with an embedding edge which is turned outwards in the radial direction and is embedded into the sealing ring (21).

7. The multifunctional cold water valve according to claim 6 wherein the valve body (1) is provided with a check valve core (23) at the inner end of the water outlet (1 b) for preventing the water outlet (1 b) from flowing backwards.

8. The multifunctional cold water valve according to claim 7 wherein the valve body (1) is provided with a water outlet side pipe (24), the water outlet side pipe (24) is communicated with the side part of the water outlet (1 b), and the water outlet side pipe (24) is in threaded connection with a plug (25).