CN210397795U - Anti-scalding switching valve - Google Patents
Anti-scalding switching valve Download PDFInfo
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- CN210397795U CN210397795U CN201921010208.6U CN201921010208U CN210397795U CN 210397795 U CN210397795 U CN 210397795U CN 201921010208 U CN201921010208 U CN 201921010208U CN 210397795 U CN210397795 U CN 210397795U
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- switching port
- switching
- water outlet
- sealing
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Abstract
The utility model discloses an anti-scalding switching valve, which comprises a fixed part, a sealing component and a deformation part, wherein the fixed part is provided with a water inlet channel, a first water outlet channel, a second water outlet channel, a first switching port and a second switching port, the first switching port is communicated with the first water outlet channel, and the second switching port is communicated with the second water outlet channel; the sealing assembly is movably arranged on the fixed part and moves between a position for sealing the first switching port and a position for sealing the second switching port; the deformation piece is installed at the fixed part and is in transmission fit with the sealing assembly, and the water temperature changes to drive the deformation piece to deform so that the sealing assembly seals the first switching port or the second switching port under the deformation effect of the deformation piece and further enables the water inlet channel to be switched to be communicated with the first water outlet channel or the second water outlet channel. The scald-proof switching valve has a scald-proof effect and is particularly suitable for old people and children.
Description
Technical Field
The utility model relates to a prevent scalding diverter valve.
Background
When the temperature of hot water is higher than the proper temperature, such as 50 ℃, the hot water flows out greatly, so that the human body feels uncomfortable, and if the temperature is higher, the human body can be scalded. This is often the case, and most unpredictably, when cold water is not available, plumbing problems, and poor mixing of the cold and hot water. How to sensitively block the water flow with high temperature in a short time is a necessary requirement for humanization.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prevent scalding diverter valve, it has overcome the not enough of existence of background art. The utility model provides an adopted technical scheme of its technical problem is:
an anti-scalding switching valve, comprising:
the fixed part is provided with a water inlet channel, a first water outlet channel, a second water outlet channel, a first switching port and a second switching port, the first switching port is communicated with the first water outlet channel, and the second switching port is communicated with the second water outlet channel;
a sealing assembly movably mounted on the fixed portion and moving between a position sealing the first switching port and a position sealing the second switching port;
the deformation piece that can carry out deformation along with the change of temperature, it is installed at fixed part and with sealing component looks drive fit, and the temperature change drives the deformation piece and produces deformation so that sealing component switches the mouth with sealed first switching mouth or second under the deformation effect of deformation piece and then makes the passageway of intaking switch on first delivery channel or second delivery channel.
In a preferred embodiment: the deformation piece is made of a memory alloy material.
In a preferred embodiment: the sealing assembly comprises a shaft rod and a sealing piece, the shaft rod is movably connected to the fixed portion, the sealing piece is fixedly connected to the periphery of the shaft rod, the water inlet channel is communicated with the second water outlet channel when the sealing piece seals the first switching port, and the water inlet channel is communicated with the first water outlet channel when the sealing piece seals the second switching port.
In a preferred embodiment: the first switching port and the second switching port are oppositely arranged, the water inlet channel is positioned between the first switching port and the second switching port, and the central axis of the shaft rod is vertical to the plane where the first switching port or the second switching port is positioned.
In a preferred embodiment: the elastic reset piece is sleeved outside the shaft rod, and two ends of the elastic reset piece are propped between the fixed part and the shaft rod.
In a preferred embodiment: the deformation piece is a push-type spring, a pull-back type spring or an elastic sheet, one end of the deformation piece is fixedly connected with the fixed part, and the other end of the deformation piece is in transmission fit with the sealing component.
In a preferred embodiment: the fixed part includes that shell and rigid coupling are at the inner shell of shell, inhalant canal, first exhalant canal, second exhalant canal all set up at the shell, first switching port and second switch the mouth setting at the inner shell, and the inner shell still is equipped with the water hole, should cross the water hole and export the switch-on mutually with the inhalant canal and can switch the mouth with two and switch the switch-on.
Compared with the background technology, the technical scheme has the following advantages:
1. the sealing assembly can seal the first switching port, at the moment, water flows out from the second switching port, and the sealing assembly can also seal the second switching port, at the moment, water flows out from the first switching port. When the sealing assembly seals the first switching port, the water inlet channel is communicated with the second water outlet channel, and when the sealing assembly seals the second switching port, the water inlet channel is communicated with the first water outlet channel. Assuming that the second water outlet channel is a bathtub water outlet channel and the first water outlet channel is a handheld shower head water outlet channel, when a user uses the handheld shower head to shower, at the moment, the sealing component seals the second switching port, water flows to the handheld shower head through the water inlet channel, the first switching port and the first water outlet channel, when the water temperature rises to the temperature which can not be borne by the human body, namely the set temperature, the sealing assembly can be moved from the position for sealing the second switching port to the position for sealing the first switching port by the deformation of the deforming piece, and at the moment, the water inlet channel is disconnected with the first water outlet channel and is communicated with the second water outlet channel, and the hot water can flow out from the second water outlet channel, flow from bathtub outlet channel promptly, just so can greatly reduced the probability that the user was scalded in the shower process, this prevent scalding the diverter valve has prevent scalding the effect, is particularly suitable for old man and child to use.
2. The elastic component that resets sets up outside the axostylus axostyle and its both ends top supports between fixed part and axostylus axostyle, can continue to move to corresponding position under the effect of elastic component that resets when the deformation piece drives seal assembly and removes, sets up like this and makes the deformability requirement to the deformation piece need not be too high, can reduce manufacturing cost.
3. The deformation piece is a push-type spring, a pull-back spring or an elastic sheet, and the selectable structure of the deformation piece is various and can be selected according to specific structure requirements.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a general schematic view of an anti-scald switching valve according to a first preferred embodiment.
Fig. 2 is a schematic exploded perspective view of the scald-proof switching valve according to the first preferred embodiment.
Fig. 3 is a sectional view of the first water outlet channel of the scald-proof switching valve according to the first preferred embodiment.
FIG. 4 is a sectional view of the seal assembly of the anti-scalding switch valve of the first preferred embodiment during the movement process
Fig. 5 is a sectional view of the water outlet of the second water outlet channel of the scald-proof switching valve in the first preferred embodiment.
Fig. 6 is a sectional view of the water outlet of the first water outlet channel of the scald-proof switching valve according to the second preferred embodiment.
Fig. 7 is a sectional view showing the seal assembly of the scald-proof switching valve of the second preferred embodiment during the moving process.
Fig. 8 is a sectional view of the water outlet of the second water outlet channel of the scald-proof switching valve in the second preferred embodiment.
Fig. 9 is a sectional view of the first water outlet channel of the scald-proof switching valve according to the third preferred embodiment.
Fig. 10 shows a cross-sectional view of the third preferred embodiment of the anti-scalding switching valve sealing assembly during movement.
Fig. 11 is a sectional view showing the water outlet of the second water outlet passage of the scald-proof switching valve in the third preferred embodiment.
Detailed Description
Referring to fig. 1 to 5, a first preferred embodiment of an anti-scald switching valve includes a fixing portion, a sealing component, and a deforming member 30.
The fixed part is provided with a water inlet channel 11, a first water outlet channel 12, a second water outlet channel 13, a first switching port 14 and a second switching port 15, wherein the first switching port 14 is communicated with the first water outlet channel 12, and the second switching port 15 is communicated with the second water outlet channel 13.
In this embodiment, the first switching port 14 and the second switching port 15 are oppositely arranged, and the water inlet passage 11 is located between the first switching port 14 and the second switching port 15.
In this embodiment, the fixing portion includes an outer shell 16 and an inner shell 17 fixedly connected to the outer shell 16, the water inlet channel 11, the first water outlet channel 12, and the second water outlet channel 13 are all disposed on the outer shell 16, the first switching port 14 and the second switching port 15 are disposed on the inner shell 17, the inner shell 17 is further provided with a water through hole 18, and the water through hole 18 is communicated with an outlet of the water inlet channel 11 and can be switched and communicated with the two switching ports 14 and 15.
The seal assembly is movably mounted on the stationary portion and moves between a position sealing the first switching port 14 and a position sealing the second switching port 15.
In this embodiment, the sealing assembly includes a shaft 20 and a sealing member 21, the shaft 20 is movably mounted on the fixed portion, the sealing member 21 is fixedly connected to the outer periphery of the shaft 20, the water inlet channel 11 is communicated with the second water outlet channel 13 when the sealing member 21 seals the first switching port 14, and the water inlet channel 11 is communicated with the first water outlet channel 12 when the sealing member 21 seals the second switching port 15.
In this embodiment, the central axis of the shaft 20 is perpendicular to the plane of the first switching port 14 or the second switching port 15.
In this embodiment, the elastic restoring member 22 is further included, and the elastic restoring member 22 is sleeved outside the shaft 20 and has two ends abutting against the fixed portion and the shaft 20.
The deformation piece 30 can deform along with the change of the water temperature, is arranged on a fixed part and is in transmission fit with the sealing assembly, and the water temperature change drives the deformation piece 30 to deform so that the sealing assembly can seal the first switching port 14 or the second switching port 15 under the deformation effect of the deformation piece 30, and then the water inlet channel 11 is switched to be communicated with the first water outlet channel 12 and the second water outlet channel 13.
In this embodiment, the deformable member 30 is made of a memory alloy.
In this embodiment, the deformable member 30 is a push spring, one end of which is fixedly connected to the inner housing 17 of the fixed portion, and the other end of which is in transmission fit with the sealing member 21. That is, in the initial state, the deformable member 30 is in a compressed state and can exert a pressing force after being deformed. As shown in FIG. 3, the sealing member 21 is provided with a boss 23 protruding in the circumferential direction, and the bottom end of the deforming member 30 is pressed against the boss 23.
The working principle of the scald-proof switching valve is as follows:
the first water outlet channel 12 is connected with a shower head, the second water outlet channel 13 is connected with an anti-scalding water outlet (not shown in the figure), the temperature of the scalding water is generally set to be 50 ℃, and the temperature can be designed and adjusted according to the actual needs of users;
when the temperature of water entering the water inlet channel 11 is less than 50 ℃, as shown in fig. 3, the deformation member 30 is not deformed, the deformation member 30 is in a compressed state, the return elastic member 22 is in a compressed state, and the sealing member 21 seals the second switching port 15, at this time, the water inlet channel 11 is communicated with the first water outlet channel 12;
when the water temperature exceeds 50 ℃, the deformation piece 30 begins to deform, as shown in fig. 4, the deformation piece 30 applies a downward pushing force to the sealing element 21 to drive the sealing assembly to move downwards integrally, the deformation amount of the deformation piece 30 is insufficient to move the sealing assembly to the first switching port 14 during the downward movement of the sealing assembly, and at this time, the restoring elastic piece 22 and the hydraulic pressure acting force continue to apply a downward pushing force to the sealing assembly to ensure that the sealing element 21 can completely seal the first switching port 14;
at this time, as shown in fig. 5, the sealing member 21 is completely moved to seal the first switching port 14, and the water inlet passage 11 is connected to the second water outlet passage 13 and disconnected from the first water outlet passage 12.
Please refer to fig. 6 to fig. 8, which illustrate a second preferred embodiment of the anti-scald switching valve.
The difference between this embodiment and the previous embodiment is that the deformable member 30 is a pull-back spring, the lower end of which is fixedly connected to the inner housing 17 of the fixed portion, and the top end of which is in driving fit with the boss 23 of the sealing member 21. As shown in fig. 7, the top end of the deforming member 30 is provided with a projection 31, and the bottom surface of the projection 31 is pressed against the top surface of the boss 23 for transmission fit.
Please refer to fig. 9 to fig. 11, which illustrate a third preferred embodiment of an anti-scald switching valve.
In this embodiment, the deformation element 30 is a spring. As shown in fig. 9, the top end of the elastic sheet is fixedly connected with the inner shell 17, the bottom end of the elastic sheet can be bent and straightened, and the bottom end of the elastic sheet is bent at normal water temperature; the bottom end of the elastic sheet is straightened in the water boiling temperature state to drive the sealing member 21 to move downwards, as shown in fig. 10.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (7)
1. An anti-scalding switching valve is characterized in that: it includes:
the fixed part is provided with a water inlet channel, a first water outlet channel, a second water outlet channel, a first switching port and a second switching port, the first switching port is communicated with the first water outlet channel, and the second switching port is communicated with the second water outlet channel;
a sealing assembly movably mounted on the fixed portion and moving between a position sealing the first switching port and a position sealing the second switching port;
the deformation piece that can carry out deformation along with the change of temperature, it is installed at fixed part and with sealing component looks drive fit, and the temperature change drives the deformation piece and produces deformation so that sealing component switches the mouth with sealed first switching mouth or second under the deformation effect of deformation piece and then makes the passageway of intaking switch on first delivery channel or second delivery channel.
2. An anti-scald switching valve as claimed in claim 1, wherein: the deformation piece is made of a memory alloy material.
3. An anti-scald switching valve as claimed in claim 1, wherein: the sealing assembly comprises a shaft rod and a sealing piece, the shaft rod is movably connected to the fixed portion, the sealing piece is fixedly connected to the periphery of the shaft rod, the water inlet channel is communicated with the second water outlet channel when the sealing piece seals the first switching port, and the water inlet channel is communicated with the first water outlet channel when the sealing piece seals the second switching port.
4. An anti-scald switching valve as claimed in claim 3, wherein: the first switching port and the second switching port are oppositely arranged, the water inlet channel is positioned between the first switching port and the second switching port, and the central axis of the shaft rod is vertical to the plane where the first switching port or the second switching port is positioned.
5. An anti-scald switching valve as claimed in claim 3, wherein: the elastic reset piece is sleeved outside the shaft rod, and two ends of the elastic reset piece are propped between the fixed part and the shaft rod.
6. An anti-scald switching valve as claimed in claim 1, wherein: the deformation piece is a push-type spring, a pull-back type spring or an elastic sheet, one end of the deformation piece is fixedly connected with the fixed part, and the other end of the deformation piece is in transmission fit with the sealing component.
7. An anti-scald switching valve as claimed in claim 1, wherein: the fixed part includes that shell and rigid coupling are at the inner shell of shell, inhalant canal, first exhalant canal, second exhalant canal all set up at the shell, first switching port and second switch the mouth setting at the inner shell, and the inner shell still is equipped with the water hole, should cross the water hole and export the switch-on mutually with the inhalant canal and can switch the mouth with two and switch the switch-on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921010208.6U CN210397795U (en) | 2019-07-01 | 2019-07-01 | Anti-scalding switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921010208.6U CN210397795U (en) | 2019-07-01 | 2019-07-01 | Anti-scalding switching valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210397795U true CN210397795U (en) | 2020-04-24 |
Family
ID=70352897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921010208.6U Active CN210397795U (en) | 2019-07-01 | 2019-07-01 | Anti-scalding switching valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210397795U (en) |
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2019
- 2019-07-01 CN CN201921010208.6U patent/CN210397795U/en active Active
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