CN218962967U - Constant-temperature shower head with anti-scalding device - Google Patents

Abstract

The utility model discloses a constant-temperature shower head with an anti-scalding device, which comprises a shell and a mixing chamber positioned in the shell, wherein a cold water pipe, a hot water pipe and a drain pipe which are communicated with the mixing chamber are arranged on the shell, the end part of the drain pipe is connected with the shower head, a constant-temperature valve for adjusting the cold water quantity entering the mixing chamber is arranged in the mixing chamber, an isolation chamber positioned outside the mixing chamber is arranged in the shell, and a water supply pipe is arranged between the cold water pipe and the isolation chamber.

Description

Constant-temperature shower head with anti-scalding device

Technical Field

The utility model relates to the technical field of bathrooms, in particular to a constant-temperature shower head with an anti-scalding device.

Background

The shower head is mainly installed in a bathroom and used for bathing. The water temperature of the hot water is required to be adjusted by the water temperature adjusting device before the hot water flows to the shower head regardless of the shower head on the electric water heater or the gas water heater.

In order to adjust the water temperature of the shower head, as shown in fig. 1, a mixing chamber 101 is arranged in a shell 1 of the water temperature adjusting device, wherein a cold water pipe 11, a hot water pipe 12 and a water drain pipe 13 which are communicated with the mixing chamber 101 are arranged on the shell 1, and a constant temperature valve 15 is arranged at the position of the cold water pipe 11; a water diversion valve 16 is arranged at the position of the hot water pipe 12 and used for adjusting the flow direction of hot water; wherein, a distribution cavity 17 for hot water flow is enclosed between the shell 1 and the shunt valve 16;

the existing distribution cavity 17 is positioned at the outer side, the shell 1 is made of metal, and when hot water flows through the distribution cavity 17, the heat of the hot water is transferred to the shell 1 at the moment, so that the temperature of the shell 1 is increased; people touch the shell 1 during bathing and are easy to scald. Therefore, the shell of the existing water temperature adjusting device needs to be optimized, and the risk of scalding personnel is reduced.

Therefore, how to design a shower with an anti-scald device is a technical problem to be solved by the person skilled in the art.

Disclosure of Invention

In order to solve at least one technical problem in the background art, the utility model aims to provide a constant-temperature shower head with an anti-scalding device, and solve the problem that a shower head water temperature adjusting device has too high shell temperature to scald a bathing staff.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a take constant temperature gondola water faucet of scald preventing device, includes the casing and is located the inside mixing chamber of casing, be equipped with on the casing with cold water pipe, hot-water line and the drain pipe of mixing chamber intercommunication, the end connection of drain pipe has the gondola water faucet, be equipped with the thermostatic valve who adjusts the cold water volume of getting into the mixing chamber in the mixing chamber, be equipped with in the casing and be located the isolation chamber in the mixing chamber outside, the cold water pipe with be equipped with the delivery pipe between the isolation chamber.

Further, the shell is provided with a water supply channel communicated with the isolation chamber, the water supply pipe is communicated with the water supply channel, a water supply switch is arranged in the water supply channel, and the bottom of the isolation chamber is provided with a water outlet and a water drain plug for opening or closing the water outlet.

Further, the water supply switch is including being located first baffle, second baffle and the drive in the water supply passageway first baffle pivoted pivot, first baffle is fixed in the pivot, the second baffle is fixed in the water supply passageway, be equipped with the first passageway that runs through around on the first baffle, be equipped with the second passageway that runs through around on the second baffle, first passageway with when the second passageway misplaces completely, water supply passageway is closed, first passageway with when the second passageway overlaps, water supply passageway is opened.

Further, a limiting step is arranged in the water supply channel, an inwards-sunken inserting hole is formed in the limiting step, and a positioning column inserted into the inserting hole is fixedly arranged on the second baffle.

Further, a bump for pushing the drain plug to move up and down is fixedly arranged on the rotating shaft extending into the isolation chamber, when the water supply channel is opened, the bump abuts against the drain plug and closes the drain outlet, and when the water supply channel is closed, the bump is separated from contact with the drain plug and opens the drain outlet.

Further, a retaining ring is arranged at the top of the drain plug, a sealing groove for the retaining ring to be inserted into is arranged on the periphery of the drain outlet, and the retaining ring is inserted into the sealing groove in a closed state of the drain outlet.

Further, a spring is sleeved on the outer side of the drain plug, one end of the spring is fixed with the check ring, and the other end of the spring is fixed with the inner wall of the isolation chamber.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the isolation chamber is arranged on the outer side of the shell, and cold water is filled into the isolation chamber through the water supply pipe, so that heat exchange can be performed with the shell, the temperature of the shell is prevented from being too high, and further the problem of scalding caused by personnel touching the shell in the shower process can be solved.

Drawings

FIG. 1 is a schematic diagram of a prior art shower temperature adjustment device;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a first perspective cross-sectional view of the present utility model;

FIG. 4 is a partial exploded view of the present utility model;

FIG. 5 is a schematic view showing a closed state of a water supply passage according to the present utility model;

FIG. 6 is a schematic view showing an opened state of a water supply passage according to the present utility model;

FIG. 7 is a schematic view of a bump and drain plug according to the present utility model;

FIG. 8 is a schematic illustration of misalignment of the first and second channels;

fig. 9 is a schematic diagram of the overlapping of the first channel and the second channel.

In the figure: 1. a housing; 101. a mixing chamber; 11. a cold water pipe; 111. a water supply port; 12. a hot water pipe; 13. a drain pipe; 14. a temperature indicating ring; 15. a thermostatic valve; 16. a shunt valve; 17. a dispensing chamber; 18. an isolation chamber; 181. a water outlet; 182. sealing grooves; 19. a water supply channel; 191. a limit step; 1911. a plug hole; 192. a water receiving pipe; 21. a sealing plug; 22. a first baffle; 221. a first channel; 23. a second baffle; 231. a second channel; 232. positioning columns; 24. a rotating shaft; 25. a wheel disc; 26. a bump; 27. a drain plug; 271. a retainer ring; 3. a spring; 4. a water supply pipe; 5. and (3) a shower head.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment provides a constant temperature gondola water faucet of device is prevented scalding in area, mainly used solves the too high problem of scalding bathing personnel of casing temperature.

As shown in fig. 2 and 3, the shower water temperature control device comprises a water temperature control device for providing mixed hot water to the shower, wherein the water temperature control device comprises a shell 1, a mixing chamber 101 for mixing hot water and cold water is arranged in the shell 1, a cold water pipe 11 and a hot water pipe 12 which are communicated with the mixing chamber 101, and a water drain pipe 13 for providing mixed hot water to the shower 5 are arranged on the shell 1;

in order to solve the problem of mixing cold water and hot water, in this embodiment, as shown in fig. 2 and 3, a thermostatic valve 15 is installed in the mixing chamber 101 at a position corresponding to the cold water pipe 11, a water diversion valve 16 for changing the hot water path is disposed in the mixing chamber 101 at a position corresponding to the hot water pipe 12, and the thermostatic valve 15 is used for controlling the water amount of the cold water entering the mixing chamber 101; wherein, a distribution chamber 17 for hot water circulation is defined between the water diversion valve 16 and the inner wall of the mixing chamber 101, and the hot water flows through the hot water pipe 12, as shown by the arrow in fig. 3, through the water diversion valve 16, then enters the distribution chamber 17, and finally flows into the mixing chamber 101 to be mixed with cold water;

the end of the thermostatic valve 15 is further provided with a temperature adjusting disc for adjusting the valve core of the thermostatic valve 15, and the valve core position of the thermostatic valve 15 is further changed by rotating the temperature adjusting disc so as to adjust the flow of cold water.

In order to display the mixed water temperature, in this embodiment, as shown in fig. 2 and 3, a temperature indicating ring 14 is sleeved on the outer side of the housing 1, temperature scale marks are arranged on the temperature indicating ring 14, and the temperature is adjusted by adjusting the rotation angle of the pointer on the temperature adjusting disc.

Since the hot water in the distribution chamber 17 transfers heat energy to the housing when flowing through the inside of the distribution chamber 17, thereby raising the temperature of the housing 1, in order to prevent the housing 1 from being heated to scald the bathing staff, in this embodiment, as shown in fig. 2 and 3, an isolation chamber 18 is disposed at the outside of the mixing chamber 101 and positioned in the housing 1, a water supply pipe 4 is connected between the cold water pipe 11 and the isolation chamber 18, cold water in the cold water pipe 11 is led to the inside of the isolation chamber 18 by the water supply pipe 4, at this time, the cold water in the isolation chamber 18 and the cold water in the cold water pipe 11 are integrated, and when the hot water in the distribution chamber 17 supplies heat energy to the housing 1, the energy is absorbed by the cold water, thereby maintaining the housing 1 at a lower temperature, preventing the housing 1 from being heated too high and scalding the bathing staff.

The service time of the shower is not limited by seasons, and the cold water pipe 11 is always communicated with the isolation chamber 18, so that cold water is always filled in the isolation chamber 18, and in order to prevent the situation that the water in the isolation chamber 18 is frozen due to low outside air temperature and a frost crack shell is caused, in the embodiment, the cold water in the isolation chamber 18 needs to be discharged in time after the shower is used. For this purpose, as shown in fig. 3 and 5, the housing 1 is provided with a water supply passage 19 communicating with the isolation chamber 18; wherein, the water supply pipe 4 is communicated with the water supply channel 19, and a water supply switch is arranged in the water supply channel 19;

wherein the water supply switch is used for controlling cold water in the water supply channel 19 to enter the isolation chamber 18, and the bottom wall of the isolation chamber 18 is also provided with a water outlet 181 and a water outlet plug 27 for opening or closing the water outlet 181; when the shower head is not in use, the water supply switch closes the water supply channel 19 and the drain plug 27 opens the drain outlet 18, so that cold water in the isolation chamber 18 is discharged, and the shell 1 is prevented from being frozen and cracked due to low external temperature.

In order to realize the installation of the water supply pipe 4, in this embodiment, as shown in fig. 2, a water supply port 111 is communicated with the cold water pipe 11, and a water receiving pipe 192 is arranged on the water supply channel 19; wherein, both ends of the water supply pipe 4 are respectively connected with the water supply port 111 and the water receiving pipe 192, thereby realizing the installation of the water supply pipe 4.

In this embodiment, as shown in fig. 4 and 5, a sealing plug 21 is disposed on a side of the water supply channel 19 away from the isolation chamber 18 to prevent water in the water supply channel 19 from leaking out, and the water supply switch includes a first baffle 22, a second baffle 23, and a rotating shaft 24 for driving the first baffle 22 to rotate in the water supply channel 19; the rotating shaft 24 penetrates through the water supply channel 19, the first baffle 22 is fixed on the rotating shaft 24, the second baffle 23 is fixed in the water supply channel 19, as shown in fig. 8, a first channel 221 penetrating front and back is arranged on the first baffle 22, a second channel 231 penetrating front and back is arranged on the second baffle 23, and when the first channel 221 and the second channel 231 are completely misplaced, the water supply channel 19 is closed by utilizing the cooperation of the first baffle 22 and the second baffle 23;

when the first channel 221 and the second channel 231 overlap, the water supply switch guides the water in the water supply channel 19 to the inside of the isolation chamber 18, and at this time, as shown in fig. 9, the overlapping of the first channel 221 and the second channel 231 in the present embodiment includes both partial overlapping and full overlapping, and can convey the water in the inside of the cold water pipe 11 to the inside of the isolation chamber 18.

In order to fix the second baffle 23, in this embodiment, as shown in fig. 6, an annular limiting step 191 is disposed inside the water supply channel 19, an inwardly recessed insertion hole 1911 is disposed on the limiting step 191, as shown in fig. 8, a positioning column 232 capable of being inserted into the insertion hole 1911 is fixedly disposed on the second baffle 23, and when the positioning column 232 on the second baffle 23 is inserted into the insertion hole 1911, rotation of the second baffle 23 can be limited at this time.

In order to facilitate rotating the first baffle 22, in this embodiment, as shown in fig. 6, a wheel disc 25 is fixedly disposed on a rotating shaft 24 extending out of the water supply channel 19, and the wheel disc 25 is rotated to drive the first baffle 22 to rotate.

In order to control the opening or closing of the drain port 181, in this embodiment, as shown in fig. 5 or 6, one end of the rotating shaft 24 extends above the drain plug 27, a bump 26 for pushing the drain plug 27 to move up and down is fixedly arranged on the rotating shaft 24, when the water supply channel 19 is opened, as shown in fig. 6, the bump 26 abuts against the drain plug 27 and closes the drain port 181, and when the water supply channel 19 is closed, as shown in fig. 5, the bump 26 is out of contact with the drain plug 27, and at this time, the drain port 181 is opened.

In order to enhance the sealing performance of the drain port 181, in this embodiment, as shown in fig. 7, a sealing groove 182 recessed downward is provided on the bottom wall of the isolation chamber 18 on the peripheral side of the drain port 181, a collar 271 inserted into the sealing groove 182 is provided at the upper end of the drain plug 27, and when the drain port 181 is closed, the collar 271 is inserted into the sealing groove 182, thereby enhancing the sealing effect of the drain port 181.

In order to reset the drain plug 27, in this embodiment, as shown in fig. 7, a spring 3 is sleeved on the outer side of the drain plug 27, one end of the spring 3 is fixed to the retainer 271, and the other end is fixed to the bottom wall of the isolation chamber 18.

When the shower head is used, the rotary wheel disc 25 turns on the water supply switch, the convex block 26 pushes the drain plug 27 to move downwards and the compression spring 3 closes the drain outlet 181, and cold water in the cold water pipe 11 enters the isolation chamber 18, so that the temperature of the shell 1 is prevented from rising; after the shower is used, the water supply channel 19 is closed by the water supply switch, at the moment, the water in the cold water pipe 11 stops to be conveyed to the isolation chamber 18, meanwhile, the convex block 26 is separated from the drain plug 27, the spring 3 resets the drain plug 27, the water outlet 181 is opened, the water in the isolation chamber 18 is discharged outwards through the water outlet 181, and the shell 1 is prevented from being frozen and cracked due to the fact that the external temperature is too low.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (7)

1. Take constant temperature gondola water faucet of scald preventing device, its characterized in that: including casing (1) and be located inside mixing chamber (101) of casing (1), be equipped with on casing (1) with cold water pipe (11), hot-water line (12) and drain pipe (13) of mixing chamber (101) intercommunication, the end connection of drain pipe (13) has gondola water faucet (5), be equipped with in mixing chamber (101) and adjust thermostatic valve (15) that get into mixing chamber (101) cold water volume, be equipped with in casing (1) and be located isolation room (18) in mixing chamber (101) outside, cold water pipe (11) with be equipped with delivery pipe (4) between isolation room (18).

2. The constant temperature shower head with an anti-scalding device according to claim 1, wherein: the water supply device is characterized in that a water supply channel (19) communicated with the isolation chamber (18) is arranged on the shell (1), the water supply pipe (4) is communicated with the water supply channel (19), a water supply switch is arranged in the water supply channel (19), and a water outlet (181) and a water drain plug (27) used for opening or closing the water outlet (181) are arranged at the bottom of the isolation chamber (18).

3. The constant temperature shower head with an anti-scalding device according to claim 2, wherein: the water supply switch comprises a first baffle (22), a second baffle (23) and a rotating shaft (24) which are arranged in the water supply channel (19) and used for driving the first baffle (22), the first baffle (22) is fixed on the rotating shaft (24), the second baffle (23) is fixed in the water supply channel (19), a first channel (221) penetrating through the first baffle (22) from front to back is arranged on the first baffle (22), a second channel (231) penetrating through the second baffle (23) from front to back is arranged on the second baffle (23), the water supply channel (19) is closed when the first channel (221) and the second channel (231) are completely misplaced, and the water supply channel (19) is opened when the first channel (221) and the second channel (231) are overlapped.

4. A constant temperature shower head with an anti-scalding device according to claim 3, wherein: the water supply channel (19) is internally provided with a limiting step (191), an inwards-sunken inserting hole (1911) is formed in the limiting step (191), and the second baffle (23) is fixedly provided with a positioning column (232) inserted into the inserting hole (1911).

5. A constant temperature shower head with an anti-scalding device according to claim 3, wherein: the rotary shaft (24) extending into the isolation chamber (18) is fixedly provided with a lug (26) for pushing the drain plug (27) to move up and down, when the water supply channel (19) is opened, the lug (26) props against the drain plug (27) and closes the drain outlet (181), and when the water supply channel (19) is closed, the lug (26) is separated from contact with the drain plug (27) and opens the drain outlet (181).

6. The constant temperature shower head with an anti-scalding device according to claim 5, wherein: the top of drain plug (27) is equipped with retaining ring (271), the week side of outlet (181) is equipped with confession retaining ring (271) male seal groove (182), outlet (181) under the closed condition, retaining ring (271) peg graft in seal groove (182).

7. The constant temperature shower head with an anti-scalding device according to claim 6, wherein: the outside cover of drain plug (27) is equipped with spring (3), the one end of spring (3) with retaining ring (271) is fixed, and its other end is fixed with the inner wall of isolation room (18).

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