CN204553916U - The cold switching valve of anti-scald row - Google Patents

Abstract

The utility model discloses an anti-scalding and cooling switching valve, which comprises a valve body, a three-switching valve core connected to the valve body, a cooling component and a water inlet and anti-scalding component. The valve body is provided with a water inlet, a first The water outlet and the second water outlet, the three-switching valve core is provided with a water inlet hole connected to the water inlet of the valve body and three water outlet holes; The water temperature determines whether to connect the first thermal element of the water source device and the water inlet of the valve body. One end of the cooling assembly can be connected to a water outlet hole of the three-switch valve core and has a water temperature that can determine whether to connect the three-switch valve. The water outlet hole of the core and the second thermal element of the first water outlet of the valve body. It has the following advantages: compact structure, simple, convenient and intelligent use, avoiding waste of water resources, automatic cooling when showering, preventing scalding, automatic cooling, and providing people with a more comfortable experience when showering.

Description

Anti-scalding and cooling switching valve

technical field

The utility model relates to a waterway switch valve, in particular to an anti-scald and cold discharge switch valve.

Background technique

When people are showering, especially when using solar heaters for showering, they often need to drain the cold water remaining in the water pipe, and hot water will flow out after the cold water is exhausted. People need to wait by the side to wait for the cold water to drain Shower can be started after exhaustion. In addition, the water temperature needs to be adjusted in the shower process. When the water temperature is adjusted too high, the outlet water temperature is easy to burn people. Therefore, the solution of this type of problem during shower has greater significance.

The shower switching valve in the prior art is generally connected to the faucet through the water inlet, and the two water outlets are respectively connected to the head shower and the hand shower. The adjustment device is adjusted, and after adjustment, the water can be directly discharged through the switching valve. Therefore, the ordinary switching valve does not have the function of automatic monitoring of water temperature. According to the water temperature, the cold water in the pipe is automatically discharged from the corresponding water outlet or the water supply is automatically stopped when the water temperature is too high to avoid scalding people. Function and the self-recovery function after cold water in the drain pipe and stop water supply, the above-mentioned problems that people run into when showering can not be solved.

Utility model content

The utility model provides an anti-scald and cold-discharging switch valve, which overcomes the shortcomings of the switch valve in the prior art described in the background art.

The technical scheme that the utility model solves its technical problem adopts is:

An anti-scald and cold-exhaust switching valve, which includes a valve body, a three-switch valve core attached to the valve body, a cooling assembly and a water inlet anti-scald assembly. The valve body is provided with a water inlet, a first water outlet and a second water outlet. The water outlet, the three-switching valve core is provided with a water inlet hole connected to the water inlet of the valve body and three water outlet holes that can be switched and connected to the first water outlet, the second water outlet and the cooling assembly; The two ends of the water anti-scalding component are respectively connected to the water inlet of the valve body and the water source device and have a first thermal element that can determine whether to connect the water source device and the water inlet of the valve body according to the water temperature. One end of the cooling component can be connected to A water outlet hole of the three-switch spool has a second thermosensitive element that can determine whether to connect the water outlet hole of the three-switch spool and the first water outlet of the valve body according to the water temperature.

In one embodiment: it further includes a switching handle for operating the three switching valve cores to switch the water outlet, the switching handle is connected to one end of the three switching valve cores and placed outside the valve body.

In an embodiment: the water inlet anti-scald assembly further has a first elastic member and a first plunger, a first water outlet is formed in the water inlet anti-scald assembly, and one end of the first elastic member abuts against The first plunger, one end of the first thermal element is connected to the first plunger, and the thrust generated when the first thermal element heats up pushes the first plunger to move forward and block the first water outlet In order to block the water passage to the water inlet of the valve body or when the first thermal element shrinks coldly, the first plunger is pushed back under the restoring force of the first elastic member to open the first water outlet to connect to the The water path for the water inlet of the valve body.

In one embodiment: the cooling assembly further has a second elastic member and a second plunger, a second water outlet is formed in the cooling assembly, and one end of the second elastic member is against the second plunger One end of the second thermal element is connected to the second plunger, and the thrust generated when the second thermal element heats up pushes the second plunger to move forward and blocks the second water outlet to block the When the first water outlet of the valve body cools down the water circuit or the second thermal element shrinks, under the action of the restoring force of the second elastic member, the second plunger is pushed back to open the second water outlet to connect to the valve body. The first water outlet drains the cold water.

In one embodiment: the water inlet anti-scalding component is provided with a pressure relief hole for discharging high-temperature water higher than a set temperature, and the pressure relief hole is connected to the water inlet of the valve body.

In one embodiment: the valve body is an integral cast valve body with a water channel opened.

In one embodiment: the first water outlet is connected to a head shower, and the second water outlet is connected to a hand shower.

Compared with the background technology, this technical solution has the following advantages:

1. Through the thermal expansion and contraction characteristics of the first thermal element and the second thermal element under the action of water temperature, when the water temperature exceeds a certain set value, the first thermal element will expand and block the first water outlet to block the water inlet channel To stop the water supply to avoid scalding people when the water temperature is too high. When the temperature drops below the set value, the first thermal element shrinks, and the first water outlet is automatically reopened to connect the water inlet to continue the water supply; similarly, when the water temperature is lower than the other When a set value is reached, the second elastic member shrinks, and the second water outlet is opened to connect the cooling water circuit to discharge cold water. When the water temperature rises to another set value, the second thermal element expands and blocks the second water outlet to block the discharge. After the cooling water circuit is finished, the switching valve core can be switched to select the desired water outlet to start the shower. The anti-scald cooling switching valve is compact in structure, simple, convenient, and intelligent in use, which can avoid waste of water resources and prevent burns. Provides a more comfortable experience while showering.

2. The valve body is an integral cast valve body with a water channel, and only one valve body can be used to switch and connect the internal water channel, and the structure is simple and reliable.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 depicts a perspective view of the overall structure of the anti-scalding and cooling-discharging switching valve described in the present invention.

Fig. 2 depicts a three-dimensional structural view of the three switching valve cores.

Fig. 3 shows a three-dimensional structural view of the valve body.

Fig. 4 depicts the A-A sectional view of the anti-scalding and cooling-discharging switching valve of the present invention.

Fig. 5 depicts a side view of the anti-scalding and cooling-discharging switching valve of the present invention.

Fig. 6 depicts a right half sectional view of the anti-scalding and cooling-discharging switching valve of the present invention.

FIG. 7 is a three-dimensional exploded view of the anti-scalding and cooling-discharging switching valve described in the present invention.

Fig. 8 is a schematic diagram of the water circuit in the cooling state of the anti-scald cooling switching valve.

Fig. 9 is a schematic diagram of the water circuit in a state where the anti-scald cooling and cooling switching valve stops cooling.

Fig. 10 is a schematic diagram of the water circuit of the anti-scalding and cooling-discharging switching valve when the temperature of the incoming water does not cause the action of the incoming water anti-scalding component.

Fig. 11 is a schematic diagram of the water circuit of the anti-scalding and cooling-discharging switch valve when the temperature of the incoming water causes the action of the incoming water anti-scalding component.

Fig. 12 shows one of the principle diagrams of the cooling water circuit of the anti-scald cooling switching valve.

Fig. 13 shows the second schematic diagram of the cooling water circuit of the anti-scald cooling switching valve.

Figure 14 depicts the third schematic diagram of the cooling water circuit of the anti-scald cooling switching valve

Fig. 15 is a schematic diagram of the anti-scalding water circuit in the shower process of the anti-scalding and cooling switching valve.

FIG. 16 is a schematic diagram of the state of the water circuit when the cooling assembly is exhausted.

FIG. 17 is a schematic diagram of the state of the water circuit when the cooling assembly stops cooling.

Fig. 18 is a schematic diagram showing the state of the anti-scalding component when the water temperature does not cause it to act.

Fig. 19 is a schematic diagram showing the state of the anti-scalding component when the water temperature triggers its action.

Detailed ways

Please refer to FIG. 1 to FIG. 19 , the anti-scald and cold-exhaust switching valve includes a valve body 10 , a switching handle 20 , three switching spools 30 attached to the valve body 10 , a cooling-exhausting assembly 40 and a water inlet anti-scalding assembly 50 .

The valve body 10 is provided with a water inlet 11, a first water outlet 12, and a second water outlet 13, and the three-switch valve core 30 is provided with a water inlet 31 connected to the water inlet 11 of the valve body 10 and three corresponding switching ports. The first water outlet 12 , the second water outlet 13 and the water outlet hole 32 of the cooling assembly 40 pass through.

The two ends of the water inlet anti-scalding assembly 50 are respectively connected to the water inlet 11 of the valve body 10 and the water source device and have a first elastic member 51, a first plunger 52 and can decide whether to connect the water source device and the valve body 10 according to the water temperature. The first heat sensitive element 53 of the nozzle 11, in this embodiment, the water inlet anti-scald assembly 50 also has a first connecting sleeve 54, a connecting seat 55, a fixing sleeve 56, a first nut 57 and a supporting cover 58, the first One end of a connecting sleeve 54 is screwed to the water inlet 11 of the valve body 10 and sleeved on the outer wall of the fixing sleeve 56, the support cover 58 is attached to the water inlet end of the fixing sleeve 56, and the connecting seat 55 is attached to the second A water outlet end of a connection sleeve 54, one end of the first thermal element 53 is connected to the first plunger 52 and the other end is connected to the support cover 58, one end of the first elastic member 51 is against the first plunger 52 and the other end Press against the connection seat 55, the first nut 57 is installed in the first plunger 52; the water inlet and anti-scald component 50 is formed with a first water outlet 501, in this embodiment, the first water outlet 501 Formed by the gap between the outer peripheral edge of the connecting seat 55 and the inner peripheral wall of the first connecting sleeve 54, the first plunger 52 is pushed forward by the thrust generated when the first thermal element 53 heats up and blocks the first process. The water port 501 is used to block the water passage to the water inlet 11 of the valve body 10 or when the first thermal element 53 shrinks, the first plunger 52 is pushed back under the restoring force of the first elastic member 51 to open the first passage. The water port 501 is connected to the water channel leading to the water inlet 11 of the valve body 10 . The water source device may be a faucet, and the first elastic member 51 is a compression spring.

One end of the cooling assembly 40 can be connected to a water outlet hole 32 of the three-switch valve core 30 and has a second elastic member 41, a second plunger 42 and the water outlet hole 32 that can decide whether to connect the three-switch valve core 30 according to the water temperature. and the second thermal element 43 of the first water outlet 12 of the valve body 10 . In this embodiment, the cooling assembly 40 also has a second connection sleeve 44, a second nut 45 and a rear cover 46, the rear cover 46 is connected to one end of the valve body 10, and the second nut 45 is attached to the In the back cover 46, one end of the second elastic member 41 is against the second plunger 42 and the other end is against the second nut 45, and one end of the second thermal element 43 is connected to the second plunger 42 and the other end is connected to the The second connection sleeve 44 is formed with a second water outlet 401 in the cooling assembly 40 . The gap is formed; the thrust generated when the second thermal element 43 heats up pushes the second plunger 42 to move forward and blocks the second water outlet 401 to block the flow of cooling to the first water outlet 12 of the valve body 10 When the waterway or the second thermal element 43 shrinks, under the action of the restoring force of the second elastic member 41, the second plunger 42 is pushed back to open the second water outlet 401 to connect to the first water outlet 12 of the valve body 10. cold waterways. In this embodiment, the second elastic member 41 is a compression spring.

The switching handle 20 is used to operate the three switching spools 30 to switch the water outlet 32 to connect the first water outlet 12 or the second water outlet 13 or the cooling assembly 40, the switching handle 20 is connected to the three switching spools 30 One end is placed on the outside of the valve body 10 . In this embodiment, the switching handle 20 is also provided with a handle 21 for easy operation.

The water inlet anti-scalding component 50 is provided with a pressure relief hole 59 for discharging high-temperature water higher than a set temperature. The pressure relief hole 59 is connected to the water inlet 11 of the valve body 10. In this embodiment, the pressure relief hole 59 is located on the connection seat 55, when the water temperature is too high, the first water outlet 501 is blocked, high temperature water only flows into the water inlet 11 of the valve body 10 through the pressure relief hole 59 and then flows out, because the pressure relief hole 59 has a smaller aperture, the water The flow rate is small, so the water flow is small when the water comes out, which can avoid scalding by a large amount of high-temperature water.

The valve body 10 is an integral cast valve body provided with a water channel, which is beneficial to simplify the structure of the anti-scald and cold-exhaust switching valve and make the structure more compact. In this embodiment, the first water outlet 12 is connected to the head shower, and the second water outlet 13 is connected to the hand shower.

The specific use process of the anti-scald cooling and cooling switching valve described in the utility model is as follows: before showering, operate the switching handle 20 to switch the three switching valve cores 30 to the corresponding positions so that the water outlet holes 32 are connected to the cooling components 40 correspondingly. When the temperature of the water entering the water inlet 11 of the valve body 10 from the water inlet anti-scalding component 50 is lower than a certain set value (generally <36°C), the second thermal element 43 shrinks and acts on the restoring force of the second elastic member 41 Push down the second plunger 42 to open the second water outlet 401, and the cold water flows out from the first water outlet 12 of the valve body 10 through the second water outlet 401 of the cooling assembly 40, that is, the cold water in the water pipe is discharged from the head shower. After exhausted, hot water (water temperature ≥ 36°C) begins to flow into the cooling assembly 40, the second thermal element 43 expands and pushes the second plunger 42 to block the second water inlet 401, and the first water outlet 12 stops water outlet. At this time, the switching handle 20 can be operated to switch the three switching valve cores 30 to the desired position, so that the water outlet hole 32 can be connected to the first water outlet 12 or the second water outlet 13, and then the shower can be started, and the hand shower can be selected to discharge water. Shower or head rain shower; if it is necessary to increase the temperature during the shower, or when the supply water temperature suddenly rises, if the water temperature of the water entering the water inlet anti-scalding component 50 is higher than a certain set value (generally >46°C) , the first heat-sensitive element 53 expands and pushes the first plunger 52 to block the first water outlet 501, the water supply is stopped, and the high-temperature water only flows from the pressure relief hole 59 to the water inlet 11 of the valve body 10, avoiding the danger of hot water scalding. When the water temperature drops (≤46°C) or the pressure is released automatically, the first heat-sensitive element 53 shrinks and pushes the first plunger 52 to reopen the first water outlet 501 under the action of the restoring force of the first elastic member 51 to reopen the first water outlet 501. water supply.

The above is only a preferred embodiment of the utility model, so the scope of implementation of the utility model cannot be limited accordingly, that is, the equivalent changes and modifications made according to the patent scope of the utility model and the contents of the specification should still belong to this utility model. within the scope of utility models.

Claims (7)

1. the cold switching valve of anti-scald row, it is characterized in that: comprise valve body, be secured to three of valve body switching spools, arrange cold assembly and anti-scald assembly of intaking, described valve body is provided with water intake, the first water outlet and the second water outlet, and described three switching spools are provided with the water inlet and three connecting valve inleting water mouth and correspondingly can switch described first water outlet of connection, the second water outlet and arrange the osculum of cold assembly; The two ends of the anti-scald assembly of described water inlet connect valve body water intake and water source device respectively and have first thermosensitive element that can determine whether connect according to water temperature described water source device and valve inleting water mouth, and one end of the cold assembly of described row can connect an osculum of three switching spools and have and can determine whether connect the described three switching osculum of spool and the second thermosensitive elements of valve body first water outlet according to water temperature.

2. the cold switching valve of anti-scald row according to claim 1, is characterized in that: also comprise and switch spools to switch out the switching handle in water hole for operating described three, and described switching handle is connected to described three and switches one end of spools and be placed in the outside of described valve body.

3. the cold switching valve of anti-scald row according to claim 1, it is characterized in that: the anti-scald assembly of described water inlet also has the first elastic component and the first plunger, be formed with first in the anti-scald assembly of described water inlet and cross the mouth of a river, one end contact first plunger of described first elastic component, one end of described first thermosensitive element connects the first plunger, by described first thermosensitive element heat rise time produce thrust promote the first plunger move forward and block described first cross the mouth of a river with block to valve inleting water mouth water inlet water route or described first thermosensitive element shrinkage time under the restoring force effect of the first elastic component counter push away the first plunger open described first cross the mouth of a river with connect to valve inleting water mouth water inlet water route.

4. the cold switching valve of anti-scald row according to claim 1, it is characterized in that: the cold assembly of described row also has the second elastic component and the second plunger, be formed with second in the cold assembly of described row and cross the mouth of a river, one end contact second plunger of described second elastic component, one end of described second thermosensitive element connects the second plunger, by described second thermosensitive element heat rise time produce thrust promote the second plunger move forward and block described second cross the mouth of a river with block arrange cold water route or described second thermosensitive element shrinkage to valve body first water outlet time under the restoring force effect of the second elastic component counter push away the second plunger open described second cross the mouth of a river with connect arrange cold water route to valve body first water outlet.

5. the cold switching valve of anti-scald row according to claim 1 or 3, is characterized in that: the anti-scald assembly of described water inlet is provided with the relief hole for discharging the high-temperature water higher than a setting temperature, and described relief hole connects valve inleting water mouth.

6. the cold switching valve of anti-scald row according to claim 1, is characterized in that: described valve body is the integral type casting valve body offering waterway channel.

7. the cold switching valve of anti-scald row according to claim 1, is characterized in that: described first water outlet connection header gondola water faucet, and described second water outlet connects holds gondola water faucet.