CN212338283U

CN212338283U - Constant temperature water mixing device

Info

Publication number: CN212338283U
Application number: CN202021009874.0U
Authority: CN
Inventors: 李传芝; 陈金勇; 陈礼宏
Original assignee: Zhejiang Wandekai Fluid Equipment Technology Co ltd
Current assignee: Zhejiang Wandekai Fluid Equipment Technology Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-01-12
Anticipated expiration: 2030-06-04

Abstract

The utility model provides a constant temperature water admixing device belongs to water admixing device technical field. It has solved the trouble of operation, the problem that wastes time and energy when current washing filter element. The constant-temperature water mixing device comprises a blocky body, wherein a cold water hole is formed in the body, a hot water hole and a water mixing cavity communicated with a port at one end of the cold water hole and a port at one end of the hot water hole respectively, an adjusting mechanism capable of adjusting the temperature of mixed water is arranged in the water mixing cavity, a cold water inlet channel crossed with the cold water hole and a hot water inlet channel crossed with the hot water hole are further arranged on the body, filter screen cylinders are arranged in the cold water inlet channel and the hot water inlet channel respectively, ports at the other end of the cold water hole and the other end of the hot water hole are sealed, plugging covers are in threaded connection with the outlet of the cold water inlet channel and the outlet of the hot water inlet channel on the body respectively, one end of one filter screen cylinder extends out of the outlet of the cold water inlet channel and is inserted into the inner side of the corresponding plugging cover, and one end of the other filter screen cylinder extends out. The constant-temperature water mixing device has the advantages of being more convenient and faster to operate and the like.

Description

Constant temperature water mixing device

Technical Field

The utility model belongs to the technical field of water admixing device, a constant temperature water admixing device is related to.

Background

With the gradual improvement of living standard, people no longer just meet the degree that hot water is available, have had higher requirement to the bathing water temperature, for this reason can receive more and more popular's favor to the muddy water valve that hot and cold water temperature mixes. The mixed water temperature of the existing water mixing valve is easy to fluctuate, so that the water temperature is frequently corrected by readjustment.

In order to solve the problem, the Chinese patent discloses a constant-temperature water mixing valve with the patent application number of 201220549773.1, which comprises a valve body, wherein the two ends of the valve body are respectively provided with a hot water inlet and a cold water inlet, the lower end of the valve body is provided with a water outlet, the upper end of the valve body is connected with a valve cap, a thermal bulb is arranged in the valve body, one end of the thermal bulb is connected with a piston, the inner side of the piston is communicated with the cold water inlet of the valve body, the other end of the thermal bulb is sleeved with a guide sleeve communicated with the inner side of the piston, the guide sleeve is communicated with the hot water inlet of the valve body, a sealing ring is arranged between the outer side of the piston and the inner side wall of the valve body, the contact part of the lower end surface of the piston and the valve body is arc-shaped, a spring is sleeved on the guide sleeve, the two ends of the spring respectively act; the two ends of the valve body are provided with connecting pipes, the connecting pipes at the two ends of the valve body are internally provided with check valve cores and filter screens, and the connecting pipes are connected with the two ends of the valve body through connecting nuts. The water inlet proportion of cold water and hot water is adjusted in due time by utilizing the automatic induction of the temperature bulb and the elastic force action of the spring, the constant water temperature of mixed water is ensured to be kept constant all the time, and meanwhile, the backflow and impurity removal during pressure difference are prevented by utilizing the non-return valve core and the filter screen.

However, the thermostatic mixing valve also has the following disadvantages: in combination with the description drawings of the constant-temperature water mixing valve, the filter screen is sheet-shaped and is arranged in the connecting pipe, and the connecting pipe and the hot water inlet and the cold water inlet of the valve body are arranged at the same center line, which means that the connecting pipe must be firstly detached from the valve body when the filter screen is detached for cleaning, then the check valve is firstly taken out from the connecting pipe, and finally the filter screen can be poked out from the connecting pipe for cleaning, which is very inconvenient. In addition, the filter screen with a sheet structure cannot be well positioned in the connecting pipe, and is easy to incline or fall off.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide constant temperature water admixing device, solved troublesome poeration, the problem of wasting time and energy when wasing filter element.

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

the constant-temperature water mixing device comprises a block-shaped body, wherein a cold water hole, a hot water hole and a water mixing cavity which is respectively communicated with an orifice at one end of the cold water hole and an orifice at one end of the hot water hole are arranged on the body, an adjusting mechanism capable of adjusting the temperature of mixed water is arranged in the water mixing cavity, it is characterized in that the body is also provided with a cold water inlet channel crossed with the cold water hole and a hot water inlet channel crossed with the hot water hole, filter screen cylinders are respectively arranged in the cold water inlet channel and the hot water inlet channel, the orifice at the other end of the cold water hole and the orifice at the other end of the hot water hole are both closed, the outlet of the body corresponding to the cold water inlet channel and the outlet of the hot water inlet channel are both connected with a blocking cover by screw threads, one end of one filter screen cylinder extends out of the outlet of the cold water inlet channel and is inserted into the corresponding inner side of the blocking cover, and one end of the other filter screen cylinder extends out of the outlet of the hot water inlet channel and is inserted into the corresponding inner side of the blocking cover.

When the water mixing device works, cold water is connected from the cold water inlet channel and filtered by the filter screen cylinder and then flows into the water mixing cavity through the cold water hole, hot water is connected from the hot water inlet channel and filtered by the filter screen cylinder and then flows into the water mixing cavity through the hot water hole, and then the mixed water temperature is regulated by the regulating mechanism and then is output. When a filter screen section of thick bamboo is cleared up to needs, only need pull down two blanking caps, then just can directly take out filter screen section of thick bamboo and clear up, compare and dismantle the filter screen that is the slice among the prior art, this constant temperature water admixing device's operation is convenient more, swift.

In the constant-temperature water mixing device, the outer ends of the two blocking covers are respectively provided with a hexagonal connector.

The connector of hexagonal shape can cooperate with interior hexagonal spanner, makes the user can easily dismantle the blanking cover to can conveniently take out the filter screen expert and wash.

In the constant-temperature water mixing device, the two blocking covers are provided with annular convex shoulders positioned outside the body, and knurls are distributed on the peripheral surfaces of the annular convex shoulders.

By means of the knurled annular shoulder, the user can also turn the closure cap by hand for removal without tools.

In the constant-temperature water mixing device, the outer side of the body is respectively provided with a first connecting port corresponding to the outlet of the cold water inlet channel and a second connecting port corresponding to the outlet of the hot water inlet channel, the two plugging covers are respectively in threaded connection with the first connecting port and the second connecting port, the inner sides of the two plugging covers are respectively provided with a concave cavity, and one ends of the two filter screen cylinders are respectively inserted into the concave cavities.

In the constant-temperature water mixing device, the cold water inlet channel is internally provided with a first annular retaining shoulder at a position close to the inlet, the other end of one filter screen cylinder abuts against the first annular retaining shoulder, the hot water inlet channel is internally provided with a second annular retaining shoulder at a position close to the inlet, and the other end of the other filter screen cylinder abuts against the second annular retaining shoulder.

One end of the filter screen cylinder is inserted into the concave cavity of the plug cover, and the other end of the filter screen cylinder is abutted against the annular retaining shoulder I/the annular retaining shoulder II, so that the axial limit of the filter screen cylinder is formed and the filter screen cylinder cannot move, and the reliability of filtration is ensured. Meanwhile, the concave cavity can save a certain volume of the body.

In the constant-temperature water mixing device, the water mixing cavity is a cylindrical cavity, the cold water inlet channel, the hot water inlet channel and the water mixing cavity are arranged in parallel, the water mixing cavity and the hot water inlet channel are both vertical to the hot water hole, and the water mixing cavity and the cold water inlet channel are both vertical to the cold water hole.

Mix water chamber, cold water inlet channel and hot water inlet channel parallel arrangement for the axis of mixing water chamber, cold water inlet channel, hot water hole and cold water hole is located the coplanar, can reduce the thickness of body like this.

In the constant-temperature water mixing device, the outer side of the body is provided with a cold water diversion port, the cold water diversion port is communicated with the middle part of the cold water inlet channel, and the cold water diversion port is in threaded connection with a diversion connecting pipe.

Through the setting of cold water diversion mouth, divide into two the tunnel with the cold water after filtering, flow into through the cold water hole all the way and mix the intracavity because muddy water, another way then flows out from the takeover of dividing water and supplies the user to do other uses.

In the constant-temperature water mixing device, the inlets of the hot water inlet channel and the cold water inlet channel are both in threaded connection with ball valves.

In the constant-temperature water mixing device, the inner wall of the water mixing cavity is provided with an annular flange which divides the water mixing cavity into a cavity I and a cavity II, the cavity I is communicated with a cold water hole, the cavity II is communicated with a hot water hole, the adjusting mechanism comprises a thermal bulb and a piston which are arranged in the cavity II, the piston is in a cylinder shape with one open end, one closed end of the piston is in threaded connection with one end of the thermal bulb, a supporting spring is arranged between the other end of the thermal bulb and the bottom of the water mixing cavity, a plurality of water through holes are arranged at the closed end of the piston in a penetrating way, a valve cap is in threaded connection with the opening part of the water mixing cavity, one open end face of the piston extends into the cavity I under the elastic force of the supporting spring and abuts against the end part of the valve cap, an adjusting rod is in threaded connection with the valve cap, an adjusting spring and an adjusting head are arranged in the, the adjusting rod is also internally provided with a clamp spring which can prevent the adjusting head from being separated.

The cold water outlet is more uniform due to the arrangement of the water holes, so that the cold and hot water can be more quickly and uniformly mixed into mixed water, the mixed water outlet can reach constant temperature more quickly, the comfort level of a product is improved, the direct impact of hot water and cold water on the thermal bulb is reduced, and the service life of the thermal bulb is prolonged. When cold water is lack of water, the temperature bulb works abnormally for a long time, the adjusting spring is continuously compressed to absorb pressure, and the damage to the temperature bulb can be effectively reduced.

Compared with the prior art, this constant temperature water admixing device is through setting up cold inhalant canal and hot inhalant canal for it can adopt a filter screen section of thick bamboo to filter, only needs to pull down two blanking caps when needing to clear up a filter screen section of thick bamboo simultaneously, then just can directly take out a filter screen section of thick bamboo and clear up, has improved the convenience of operation well.

Drawings

Fig. 1 is a schematic sectional view of the present thermostatic water mixing device.

Fig. 2 is a perspective view of the constant temperature water mixing device.

Fig. 3 is a schematic sectional view of the cold water channel of the constant temperature water mixing device.

In the figure, 1, a body; 1a, cold water holes; 1b, hot water holes; 1c, a water mixing cavity; 1d, a cold water inlet channel; 1d1, a first annular retaining shoulder; 1e, a hot water inlet channel; 1e1, annular shoulder II; 1f, a cold water diversion port; 1g, mounting holes; 2. a filter screen cylinder; 3. blocking the cover; 3a, a connector; 3b, an annular shoulder; 3b1, knurling; 3c, a concave cavity; 4. a water diversion connecting pipe; 5. a ball valve; 6. a water outlet connecting pipe; 7. a plug; 8. a check valve; 9. a thermal bulb; 10. a piston; 10a, water through holes; 11. a support spring; 12. a bonnet; 13. adjusting a rod; 14. adjusting the spring; 15. an adjustment head; 16. and a clamp spring.

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 and 2, the constant temperature water mixing device includes a block-shaped body 1, the body 1 is provided with a cold water hole 1a, a hot water hole 1b, and a water mixing cavity 1c respectively communicated with an orifice at one end of the cold water hole 1a and an orifice at one end of the hot water hole 1b, and an adjusting mechanism capable of adjusting the temperature of mixed water is arranged in the water mixing cavity 1 c. Specifically, the inner wall of the water mixing cavity 1c is provided with an annular flange, and two sides of the annular flange are respectively a first cavity communicated with the cold water hole 1a and a second cavity communicated with the hot water hole 1 b. Adjustment mechanism is including setting up bulb 9 and piston 10 in cavity two, and piston 10 is one end open-ended cylindric, and piston 10 confined one end center runs through and is provided with the connecting hole, and piston 10 passes through connecting block threaded connection in bulb 9 one end, is equipped with supporting spring 11 between the bulb 9 other end and the muddy water chamber 1c bottom, and piston 10 confined one end runs through and is provided with a plurality of water holes 10a of crossing, and it specifically is 8 to cross water hole 10a quantity. The mouth of the water mixing cavity 1c is connected with a valve cap 12 through a thread, and one end of a piston 10 extends into the first cavity under the action of a supporting spring 11 and abuts against the end of the valve cap 12, so that cold water in the first cavity cannot flow into the second cavity. The internal thread of the valve cap 12 is connected with an adjusting rod 13, an adjusting spring 14 and an adjusting head 15 are arranged in the adjusting rod 13, the adjusting head 15 always has a tendency of approaching the thermal bulb 9 under the elastic force action of the adjusting spring 14, and the adjusting head 15 is positioned right above the thermal bulb 9. A snap spring 16 which can prevent the adjusting head 15 from being separated is also arranged in the adjusting rod 13. A water outlet is arranged at the position, corresponding to the bottom of the water mixing cavity 1c, outside the body 1, and a water outlet connecting pipe 6 is connected to the water outlet in a threaded manner. The body 1 is further provided with two mounting holes 1g in a penetrating mode, the two mounting holes 1g are located on two sides of the water mixing cavity 1c, and the opening direction of the mounting holes 1g is perpendicular to the opening direction of the water mixing cavity 1 c.

In the initial state, the piston 10 abuts against the valve cap 12 under the action of the supporting spring 11, so that cold water flowing into the first cavity cannot flow into the second cavity through the piston 10. The hot water flows into the cavity II, when the temperature of the hot water is higher than the set temperature of the thermal bulb 9, the thermal bulb 9 extends to push the adjusting head 15 towards the inside of the adjusting rod 13 against the action of the adjusting spring 14, and the adjusting spring 14 compresses to the limit and then generates a reaction force on the thermal bulb 9, so that the thermal bulb 9 is pushed back by the adjusting head 15 when the thermal bulb 9 extends continuously. Thus, the piston 10 and the bonnet 12 are separated from each other, so that the cold water in the first cavity flows into the second cavity through the piston 10 to be mixed with the hot water, thereby automatically adjusting the water temperature to a set range. The user adjusts the stroke that the temperature bulb 9 compresses the adjusting spring 14 through rotating the adjusting rod 13, thereby realizing the adjustment of the set temperature of the outlet water.

As shown in fig. 1, the body 1 is further provided with a cold water inlet channel 1d intersecting the cold water hole 1a and a hot water inlet channel 1e intersecting the hot water hole 1b, the cold water inlet channel 1d and the hot water inlet channel 1e are both provided with a filter screen cylinder 2, and the other end opening of the cold water hole 1a and the other end opening of the hot water hole 1b are both sealed by plugs 7. The water mixing cavity 1c is a cylindrical cavity, the cold water inlet channel 1d, the hot water inlet channel 1e and the water mixing cavity 1c are arranged in parallel, the water mixing cavity 1c and the hot water inlet channel 1e are perpendicular to the hot water hole 1b, and the water mixing cavity 1c and the cold water inlet channel 1d are perpendicular to the cold water hole 1 a. The inlets of the hot water inlet channel 1e and the cold water inlet channel 1d are both connected with ball valves 5 by screw threads. Check valves 8 are respectively arranged in the cold water hole 1a between the cold water inlet channel 1d and the water mixing cavity 1c and the hot water hole 1b between the hot water inlet channel 1e and the water mixing cavity 1 c.

As shown in fig. 1 and 3, the outer side of the main body 1 is provided with a first connection port corresponding to the outlet of the cold water inlet channel 1d and a second connection port corresponding to the outlet of the hot water inlet channel 1e, and the first connection port and the second connection port are internally screwed with the blocking covers 3 respectively. Furthermore, an annular first blocking shoulder 1d1 is arranged in the cold water inlet channel 1d and close to the inlet, one end of one filter screen cylinder 2 abuts against the annular first blocking shoulder 1d1, an annular second blocking shoulder 1e1 is arranged in the hot water inlet channel 1e and close to the inlet, and one end of the other filter screen cylinder 2 abuts against the annular second blocking shoulder 1e 1. The inner sides of the two plugging covers 3 are provided with concave cavities 3c, and the other ends of the two filter screen cylinders 2 are inserted into the concave cavities 3 c.

Further, as shown in fig. 1 and 3, the outer ends of the two covers 3 are provided with hexagonal connectors 3 a. The two covers 3 have an annular shoulder 3b outside the body 1, and the annular shoulder 3b is distributed with knurls 3b1 on the outer peripheral surface. The outer side of the body 1 is provided with a cold water diversion port 1f, the cold water diversion port 1f is communicated with the middle part of the cold water inlet channel 1d, and the cold water diversion port 1f is in threaded connection with a diversion connecting pipe 4.

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. The constant-temperature water mixing device comprises a blocky body (1), wherein a cold water hole (1a), a hot water hole (1b) and a water mixing cavity (1c) which is respectively communicated with an orifice at one end of the cold water hole (1a) and an orifice at one end of the hot water hole (1b) are arranged on the body (1), a regulating mechanism capable of regulating the temperature of mixed water is arranged in the water mixing cavity (1c), the constant-temperature water mixing device is characterized in that a cold water inlet channel (1d) which is crossed with the cold water hole (1a) and a hot water inlet channel (1e) which is crossed with the hot water hole (1b) are also arranged on the body (1), filter screen cylinders (2) are respectively arranged in the cold water inlet channel (1d) and the hot water inlet channel (1e), orifices at the other ends of the cold water hole (1a) and the hot water hole (1b) are both closed, blocking covers (3) are respectively in threaded connection with the outlet of the cold water inlet channel (1d) and the outlet of the hot water inlet channel (1e), one end of one of the filter screen cylinders (2) extends out of the outlet of the cold water inlet channel (1d) and is inserted into the inner side of the corresponding plugging cover (3), and one end of the other filter screen cylinder (2) extends out of the outlet of the hot water inlet channel (1e) and is inserted into the inner side of the corresponding plugging cover (3).

2. The thermostatic water mixing device according to claim 1, characterized in that the outer ends of the two covers (3) are provided with hexagonal connectors (3 a).

3. The thermostatic water mixing device according to claim 2, characterized in that the two covers (3) have an annular shoulder (3b) located outside the body (1), the annular shoulder (3b) having a peripheral surface provided with knurls (3b 1).

4. The constant-temperature water mixing device according to claim 1, 2 or 3, wherein the outer side of the body (1) is respectively provided with a first connecting port corresponding to the outlet of the cold water inlet channel (1d) and a second connecting port corresponding to the outlet of the hot water inlet channel (1e), the two plugging covers (3) are respectively in threaded connection with the first connecting port and the second connecting port, the inner sides of the two plugging covers (3) are respectively provided with a concave cavity (3c), and one ends of the two filter screen cylinders (2) are respectively inserted into the concave cavity (3 c).

5. The thermostatic mixing device according to claim 4 wherein the cold water inlet passage (1d) has a first annular shoulder (1d1) adjacent to the inlet, wherein the other end of one of the filter mesh cartridges (2) abuts against the first annular shoulder (1d1), the hot water inlet passage (1e) has a second annular shoulder (1e1) adjacent to the inlet, and the other end of the other filter mesh cartridge (2) abuts against the second annular shoulder (1e 1).

6. The constant-temperature water mixing device according to claim 5, wherein the water mixing cavity (1c) is a cylindrical cavity, the cold water inlet channel (1d), the hot water inlet channel (1e) and the water mixing cavity (1c) are arranged in parallel, the water mixing cavity (1c) and the hot water inlet channel (1e) are both vertical to the hot water hole (1b), and the water mixing cavity (1c) and the cold water inlet channel (1d) are both vertical to the cold water hole (1 a).

7. The constant-temperature water mixing device according to claim 6, wherein a cold water diversion port (1f) is formed in the outer side of the body (1), the cold water diversion port (1f) is communicated with the middle of the cold water inlet channel (1d), and the cold water diversion port (1f) is in threaded connection with a diversion connection pipe (4).

8. The thermostatic water mixing device according to claim 7, characterized in that the inlets of the hot water inlet passage (1e) and the cold water inlet passage (1d) are both connected with a ball valve (5) by screw threads.

9. The constant-temperature water mixing device according to claim 1, wherein the inner wall of the water mixing cavity (1c) is provided with an annular flange which divides the water mixing cavity into a cavity I and a cavity II, the cavity I is communicated with the cold water hole (1a), the cavity II is communicated with the hot water hole (1b), the adjusting mechanism comprises a thermal bulb (9) and a piston (10) which are arranged in the cavity II, the piston (10) is in a cylinder shape with one open end, one closed end of the piston (10) is connected with one end of the thermal bulb (9) in a threaded manner, a supporting spring (11) is arranged between the other end of the thermal bulb (9) and the bottom of the water mixing cavity (1c), one closed end of the piston (10) is provided with a plurality of water through holes (10a) in a penetrating manner, the opening part of the water mixing cavity (1c) is connected with a valve cap (12) in a threaded manner, one open end surface of the piston (10) extends into the cavity I under the elastic force of, the internal thread of the valve cap (12) is connected with an adjusting rod (13), an adjusting spring (14) and an adjusting head (15) are arranged in the adjusting rod (13), the adjusting head (15) always has a trend of approaching the thermal bulb (9) under the elastic action of the adjusting spring (14), the adjusting head (15) is located right above the thermal bulb (9), and a clamp spring (16) capable of preventing the adjusting head (15) from being separated from the thermal bulb is further arranged in the adjusting rod (13).