CN216009638U

CN216009638U - Water mixing valve

Info

Publication number: CN216009638U
Application number: CN202122758826.2U
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 water mixing valve belongs to valve manufacturing technical field. It has solved the inconvenient installation scheduling problem of current muddy water valve. This muddy water valve includes the valve body, bulb and valve gap, the disk seat has in the valve body, the left side of valve body is the mixed water export, the right side of valve body is hot water inlet, the bottom of valve body is cold water inlet, the disk seat below communicates in hot water inlet and disk seat top and connects in the mixed water export, wear to be equipped with the case in the disk seat, the inner wall of case has the multichannel floor, each floor has the extension that stretches out the case lower part, each extension inserts in cold water inlet the inner, it crosses the liquid clearance to form hot water between each extension, the lower extreme axial of bulb is inserted in the case and is equipped with the bearing structure who supports the bulb between case and the bulb, the upper end axial of bulb inserts valve gap and valve gap department and is equipped with the regulation structure that supports the formation of bulb upper end and lean on, be equipped with spring one that plays the elastic support effect to the case in the cold water inlet. The water mixing valve has the advantages of convenience in installation and arrangement, high water outlet efficiency and the like.

Description

Water mixing valve

Technical Field

The utility model belongs to the technical field of the valve is made, in particular to mix water valve.

Background

The water mixing valve is a valve, can not be mixed, is only connected with a cold water pipe and a hot water pipe, plays a role in mixing water, and is divided into a manual mechanical regulation type and a self-operated constant temperature type.

For example, chinese patent literature discloses a water mixing valve [ application No.: 201620879948.3, respectively; authorization notice number: CN206093045U ], which comprises a valve body, a thermal bulb and a valve cover, wherein, the two sides of the valve body are respectively provided with a hot water inlet and a cold water inlet, the bottom of the valve body is provided with a mixed water outlet, the valve body is internally provided with a valve seat, the inner end of the cold water inlet is positioned above the valve seat, the inner end of the hot water inlet is positioned below the valve seat, the thermal bulb is positioned in the valve body and is coaxially arranged with the mixed water outlet, the valve body is internally provided with a base, the base comprises an inner cylinder which is in threaded connection with the thermal bulb, the inner cylinder is provided with a plurality of ribbed plates which are evenly distributed in the circumferential direction and extend in the axial direction, the periphery of the ribbed plates is fixedly connected with a cylindrical outer cylinder which is sealed on the valve seat, the middle part of the thermal bulb is provided with a convex ring which is supported at the bottom of the base and protrudes in the radial direction, the lower part of the thermal bulb is externally sleeved with a cylindrical flow guide pipe, the top of the flow guide pipe is provided with a flanging which is supported at the bottom of the convex ring, the flow guide pipe is provided with a plurality of flow guide plates which are evenly distributed in the circumferential direction and extend in the axial direction, the inner wall of the thermal bulb, the valve cover is in threaded connection with an adjusting cap, the inner end of the adjusting cap penetrates through the valve cover, the guide pipe is sleeved with the spring, and the top of the thermal bulb is always abutted to the inner end of the adjusting cap through the elastic force provided by the spring.

Foretell muddy water valve's guidance quality is good, the water conservancy diversion is effectual, but hot water inlet and cold water inlet level set up, and when the corner installation, the required space of hot-water line and cold water pipe is great, is not convenient for arrange, and general hot water pressure will be less than cold water pressure moreover, and hot water and cold water can strike each other after getting into the valve body, influence the play water efficiency of mixing water.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a be convenient for the installation arrange, go out efficient muddy water valve.

The purpose of the utility model can be realized by the following technical proposal: a water mixing valve comprises a valve body, a thermal bulb and a valve cover, wherein a valve seat is arranged in the valve body, the valve cover is in threaded connection with the top of the valve body, the left side of the valve body is provided with a mixed water outlet, the right side of the valve body is provided with a hot water inlet, the bottom of the valve body is provided with a cold water inlet, the lower part of the valve seat is communicated with the hot water inlet, the upper part of the valve seat is connected with the mixed water outlet, a cylindrical valve core is arranged in the valve seat in a penetrating manner, the inner wall of the valve core is provided with a plurality of rib plates which are uniformly distributed in the circumferential direction, each rib plate is provided with an extending part which extends in the axial direction and extends out of the lower part of the valve core, each extending part is inserted into the inner end of the cold water inlet, a hot water liquid passing gap for communicating the hot water inlet is formed between each extending part, the lower end of the thermal bulb is axially inserted into the valve core, a supporting structure for supporting the thermal bulb is arranged between the thermal bulb, the upper end of the thermal bulb is axially inserted into the valve cover, and an adjusting structure for abutting against the upper end of the thermal bulb is arranged on the valve cover, and a first spring for elastically supporting the valve core is arranged in the cold water inlet.

In the water mixing valve, the inner end of the cold water inlet of the valve body is provided with a circle of convex retaining shoulders, the middle part of the valve core is provided with a circle of convex shoulders which protrude radially, and the convex shoulders are positioned at the upper parts of the retaining shoulders.

In the water mixing valve, the cold water inlet is in threaded connection with a hollow base, a fixing seat is arranged in the cold water inlet, the base is supported at the bottom of the fixing seat, the top of the fixing seat abuts against the blocking shoulder, a through hole penetrating in the axial direction is formed in the bottom of the fixing seat, a tubular movable seat is arranged in the fixing seat, the fixing seat is provided with a protruding portion protruding in the axial direction and allowing the lower end of a spring to be sleeved in, the movable seat is provided with a groove allowing the upper end of a spring to be embedded in, each protruding portion is provided with a step, the spring provides elastic force to enable the movable seat to keep abutting against the step, the portion, below the step, of each protruding portion is inserted into the movable seat, and when the opening degree of a liquid passing gap of hot water is maximum, the movable seat abuts against the blocking shoulder.

In the above mixing valve, the support structure includes a convex ring protruding radially outward from the middle of the thermal bulb, and the top end of each rib plate is supported by the convex ring.

In the above water mixing valve, the adjusting structure comprises a screw rod in threaded connection with the valve cover, the outer end of the screw rod extends out of the valve cover and is fixedly connected with a hand wheel, a pressing cap is sleeved on the upper end of the thermal bulb, an axial blind hole is formed in the inner end of the screw rod, a second spring is arranged in the blind hole, and the second spring provides elastic force to enable the pressing cap to be pressed on the upper end of the thermal bulb.

In the water mixing valve, the outer diameter of the outer wall of the lower part of the screw rod is larger than that of the threaded section of the screw rod, a first sealing ring sealed on the valve cover is embedded in the outer wall of the lower part of the screw rod, a snap spring is embedded in the inner wall of the inner end of the screw rod, a flanging which is turned outwards is arranged at the bottom of the pressing cap, and the lower end of a second spring abuts against the flanging and provides elasticity so that the flanging abuts against the snap spring.

In the water mixing valve, the outer wall of the valve core is embedded with a second sealing ring sealed on the valve seat, the outer wall of the movable seat is embedded with a third sealing ring sealed on the inner wall of the fixed seat, and a fourth sealing ring is arranged between the valve body and the base.

In the water mixing valve, the heat-insulating shell is sleeved outside the valve body.

Compared with the prior art, the water mixing valve has the advantages of reasonable structural design, convenience in corner installation and arrangement, good working stability and high water outlet efficiency.

Drawings

Fig. 1 is a perspective view of the mixing valve.

Fig. 2 is a structural sectional view of the mixing valve.

Fig. 3 is a three-dimensional structure diagram of the valve core and the fixed seat in the water mixing valve.

In the figure, 1, a valve body; 2. a thermal bulb; 3. a valve cover; 4. a valve seat; 5. a mixed water outlet; 6. a hot water inlet; 7. a cold water inlet; 8. a valve core; 9. a rib plate; 10. a protruding portion; 11. hot water passing through the liquid gap; 12. a first spring; 13. a shoulder block; 14. a shoulder is formed; 15. a base; 16. a fixed seat; 161. a boss portion; 17. a movable seat; 18. a convex ring; 19. a screw rod; 20. a hand wheel; 21. a compression cap; 211. flanging; 22. a second spring; 23. a first sealing ring; 24. a clamp spring; 25. a second sealing ring; 26. a third sealing ring; 27. a fourth sealing ring; 28. a heat preservation shell.

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, 2 and 3, the water mixing valve comprises a valve body 1, a thermal bulb 2 and a valve cover 3, wherein a valve seat 4 is arranged in the valve body 1, the valve cover 3 is connected with the top of the valve body 1 in a threaded manner, a mixed water outlet 5 is arranged on the left side of the valve body 1, a hot water inlet 6 is arranged on the right side of the valve body 1, a cold water inlet 7 is arranged at the bottom of the valve body 1, the lower part of the valve seat 4 is communicated with the hot water inlet 6, the upper part of the valve seat 4 is connected with the mixed water outlet 5, a cylindrical valve core 8 penetrates through the valve seat 4, a plurality of rib plates 9 are uniformly distributed on the inner wall of the valve core 8 in the circumferential direction, each rib plate 9 is provided with an extending part 10 extending axially and extending out of the lower part of the valve core 8, each extending part 10 is inserted into the inner end of the cold water inlet 7, a hot water passing gap 11 for communicating the hot water inlet 6 is formed between each extending part 10, the lower end of the thermal bulb 2 is inserted into the valve core 8, and a supporting structure for supporting the thermal bulb 2 is arranged between the valve core 8 and the thermal bulb 2, the upper end of the thermal bulb 2 is axially inserted into the valve cover 3, an adjusting structure which is abutted to the upper end of the thermal bulb 2 is arranged at the position of the valve cover 3, and a first spring 12 which plays a role in elastically supporting the valve core 8 is arranged in the cold water inlet 7.

In the water mixing valve, the left side of the valve body 1 is provided with the mixed water outlet 5, the right side of the valve body 1 is provided with the hot water inlet 6, and the bottom of the valve body 1 is provided with the cold water inlet 7, so that a large arrangement space for a hot water supply pipe and a cold water pipe is not required to be reserved, the water mixing valve is convenient to install and arrange in corners, and the operation is convenient; before this muddy water valve used, leaning on the position to adjust through adjusting the structure to 2 upper ends of bulb, spring 12 provides elasticity and makes case 8 along with 2 axial lifts of bulb to change the size of hot water and cross liquid clearance 11, reach the purpose of adjusting the mixed water temperature.

When the water mixing valve is used, cold water enters the valve body 1 from the cold water inlet 7, then flows into the upper part of the valve seat 4 from the space between the ribbed plates 9, hot water enters the lower part of the valve seat 4 from the hot water inlet 6, then enters the valve core 8 from the hot water liquid passing gap 11, and then flows into the upper part of the valve seat 4 from the space between the ribbed plates 9, the cold water and the hot water are mixed above the valve seat 4, then water is discharged from the mixed water outlet 5, the cold water directly passes through the inner part of the valve core 8, the hot water cannot be impacted, the cold water with slightly higher pressure can drive the hot water to be mixed and flow out, the ribbed plates 9 also play a role in guiding and the water outlet efficiency is high; when the temperature of hot water rises or falls, the thermal bulb 2 expands with heat and contracts with cold, the first spring 12 pushes the valve core 8 to axially lift, the extending amount of the extending part 10 extending into the inner end of the cold water inlet 7 is changed, and therefore the opening degree of the hot water passing gap 11 is changed, and the temperature of mixed water outlet water is constant.

In more detail, the valve body 1 is provided with a ring of convex retaining shoulders 13 at the inner end of the cold water inlet 7, the middle part of the valve core 8 is provided with a ring of convex shoulders 14 which are radially outwards, and the shoulders 14 are positioned at the upper parts of the retaining shoulders 13. The shoulder 13 is abutted by the shoulder 14 to axially limit the valve core 8, and when the hot water temperature is too high, the shoulder 14 abuts against the shoulder 13 to close the hot water passing gap 11.

The cold water inlet 7 is in threaded connection with a hollow base 15, a fixing seat 16 is arranged in the cold water inlet 7, the base 15 is supported at the bottom of the fixing seat 16, the top of the fixing seat 16 abuts against the blocking shoulder 13, a through hole penetrating in the axial direction is formed in the bottom of the fixing seat 16, a tubular movable seat 17 is arranged in the fixing seat 16, the fixing seat 16 is provided with a protruding portion 161 protruding in the axial direction and allowing the lower end of a first spring 12 to be sleeved in, the movable seat 17 is provided with a groove allowing the upper end of the first spring 12 to be embedded in, each protruding portion 10 is provided with a step, the first spring 12 provides elastic force to enable the movable seat 17 to keep abutting against the step, the portion, below the step, of each protruding portion 10 is inserted into the movable seat 17, and when the hot water passes through the liquid gap 11 and the opening degree is maximum, the movable seat 17 abuts against the blocking shoulder 13. The fixed seat 16 and the movable seat 17 are arranged, so that the first spring 12 is stably positioned, the working stability of the first spring 12 is good, and the stability of the axial displacement of the valve core 8 and the movable seat 17 is good.

In this embodiment, the supporting structure includes a convex ring 18 protruding radially outward at the middle of the thermal bulb 2, and the top end of each rib plate 9 is supported by the convex ring 18, so that each rib plate 9 has a good supporting effect on the thermal bulb 2, and during actual manufacturing, the supporting structure can be a convex block protruding radially outward and provided on each rib plate 9, and the convex block is supported at the bottom of the thermal bulb 2.

The adjusting structure comprises a screw rod 19 in threaded connection with the valve cover 3, the outer end of the screw rod 19 extends out of the valve cover 3 and is fixedly connected with a hand wheel 20, a pressing cap 21 is sleeved at the upper end of the thermal bulb 2, an axial blind hole is formed in the inner end of the screw rod 19, a second spring 22 is arranged in the blind hole, the second spring 22 provides elastic force to enable the pressing cap 21 to be pressed on the upper end of the thermal bulb 2, the hand wheel 20 is rotated to drive the screw rod 19 to rotate, the screw rod 19 drives the second spring 22 and the pressing cap 21 to move axially together, the abutting position of the upper end of the thermal bulb 2 is changed, namely the axial position of the thermal bulb 2 is adjusted, and the adjusting structure is convenient to adjust; the second spring 22 also has a buffering function, so that the thermal bulb 2 can move smoothly without touching abnormal sound. The outer diameter of the outer wall of the lower part of the screw rod 19 is larger than that of the threaded section of the screw rod, a first sealing ring 23 sealed on the valve cover 3 is embedded in the outer wall of the lower part of the screw rod 19, a snap spring 24 is embedded in the inner wall of the inner end of the screw rod 19, a flanging 211 turned outwards is arranged at the bottom of the pressing cap 21, the lower end of a second spring 22 abuts against the flanging 211 and provides elastic force to enable the flanging 211 to abut against the snap spring 24, the first sealing ring 23 ensures the sealing performance between the screw rod 19 and the valve cover 3, the outer wall of the lower part of the screw rod 19 and the snap spring 24 both play a limiting role, the screw rod 19 is prevented from being separated from the valve cover 3 by the outer wall of the lower part of the screw rod 19, and the snap spring 24 prevents the pressing cap 21 from being separated from the screw rod 19; during assembly, the second spring 22, the pressing cap 21 and the clamp spring 24 are firstly arranged on the screw rod 19 to form a whole, so that assembly is facilitated.

A second sealing ring 25 sealed on the valve seat 4 is embedded in the outer wall of the valve core 8, a third sealing ring 26 sealed on the inner wall of the fixed seat 16 is embedded in the outer wall of the movable seat 17, and a fourth sealing ring 27 is arranged between the valve body 1 and the base 15, so that the sealing performance and the working stability are good; the valve body 1 is sleeved with a heat preservation shell 28, the heat preservation shell 28 is made of nylon, the heat preservation effect is achieved, and the temperature of mixed water is accurate.

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 water mixing valve comprises a valve body (1), a bulb (2) and a valve cover (3), wherein a valve seat (4) is arranged in the valve body (1), the valve cover (3) is in threaded connection with the top of the valve body (1), and the water mixing valve is characterized in that a mixed water outlet (5) is arranged on the left side of the valve body (1), a hot water inlet (6) is arranged on the right side of the valve body (1), a cold water inlet (7) is arranged at the bottom of the valve body (1), the lower part of the valve seat (4) is communicated with the hot water inlet (6), the upper part of the valve seat (4) is connected with the mixed water outlet (5), a cylindrical valve core (8) is arranged in the valve seat (4) in a penetrating manner, a plurality of ribs (9) are circumferentially and uniformly distributed on the inner wall of the valve core (8), each rib (9) has an extending part (10) which axially extends and extends out of the lower part of the valve core (8), and each extending part (10) is inserted into the inner end of the cold water inlet (7), a hot water liquid passing gap (11) used for communicating a hot water inlet (6) is formed between the extending portions (10), the lower end of the thermal bulb (2) is axially inserted into the valve core (8), a supporting structure for supporting the thermal bulb (2) is arranged between the valve core (8) and the thermal bulb (2), an adjusting structure for abutting against the upper end of the thermal bulb (2) is arranged at the position where the upper end of the thermal bulb (2) is axially inserted into the valve cover (3) and the valve cover (3), and a first spring (12) for elastically supporting the valve core (8) is arranged in the cold water inlet (7).

2. The mixing valve according to claim 1, characterized in that the valve body (1) has a ring of protruding shoulders (13) at the inner end of the cold water inlet (7), the valve core (8) has a ring of radially protruding shoulders (14) in the middle, and the shoulders (14) are located above the shoulders (13).

3. The water mixing valve according to claim 2, characterized in that the cold water inlet (7) is in threaded connection with a hollow base (15), a fixed seat (16) is arranged in the cold water inlet (7), the base (15) is supported at the bottom of the fixed seat (16), the top of the fixed seat (16) abuts against the shoulder (13), the bottom of the fixed seat (16) is provided with a through hole which penetrates axially, a cylindrical movable seat (17) is arranged in the fixed seat (16), the fixed seat (16) is provided with a protruding part (161) which protrudes axially and is used for the lower end of the spring I (12) to be sleeved in, the movable seat (17) is provided with a groove for the upper end of the spring I (12) to be embedded in, each protruding part (10) is provided with a step, the spring I (12) provides elastic force to enable the movable seat (17) to keep the tendency of abutting against the step, and the part below the step of each protruding part (10) is inserted into the movable seat (17), when the opening degree of the hot water liquid passing gap (11) is maximum, the movable seat (17) is abutted against the retaining shoulder (13).

4. The mixing valve according to claim 3, characterised in that the support structure comprises a radially outwardly protruding collar (18) in the middle of the bulb (2), the top end of each rib (9) being supported by the collar (18).

5. The mixing valve according to claim 4, characterized in that the adjusting structure comprises a screw rod (19) in threaded connection with the valve cover (3), the outer end of the screw rod (19) extends out of the valve cover (3) and is fixedly connected with a hand wheel (20), a pressing cap (21) is sleeved on the upper end of the thermal bulb (2), an axial blind hole is formed in the inner end of the screw rod (19), a second spring (22) is arranged in the blind hole, and the second spring (22) provides elastic force to enable the pressing cap (21) to be pressed on the upper end of the thermal bulb (2).

6. The mixing valve according to claim 5, characterized in that the outer diameter of the outer wall of the lower part of the screw rod (19) is larger than the outer diameter of the threaded section, a first sealing ring (23) sealed to the valve cover (3) is embedded in the outer wall of the lower part of the screw rod (19), a snap spring (24) is embedded in the inner wall of the inner end of the screw rod (19), a flanging (211) which is turned outwards is arranged at the bottom of the pressing cap (21), and the lower end of a second spring (22) abuts against the flanging (211) and provides elasticity so that the flanging (211) abuts against the snap spring (24).

7. The mixing valve according to claim 6, characterized in that a second sealing ring (25) for sealing the valve seat (4) is embedded in the outer wall of the valve core (8), a third sealing ring (26) for sealing the inner wall of the fixed seat (16) is embedded in the outer wall of the movable seat (17), and a fourth sealing ring (27) is arranged between the valve body (1) and the base (15).

8. The mixing valve according to claim 1 or 7, characterized in that the valve body (1) is sheathed with a heat-insulating shell (28).