CN216715319U - Cold contact constant temperature faucet - Google Patents
Cold contact constant temperature faucet Download PDFInfo
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- CN216715319U CN216715319U CN202220064788.2U CN202220064788U CN216715319U CN 216715319 U CN216715319 U CN 216715319U CN 202220064788 U CN202220064788 U CN 202220064788U CN 216715319 U CN216715319 U CN 216715319U
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- mixing
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Abstract
The utility model provides a cold contact constant temperature faucet which comprises a shell, an inner core, a hot water joint and a cold water joint. The shell is provided with an installation cavity, a hot water inlet, a cold water inlet and a mixed water outlet. The inner core is provided with a mixing pipeline, a temperature control valve core is installed at one end of the mixing pipeline, and a switch valve core is installed at the other end of the mixing pipeline. The inner core is arranged in the mounting cavity of the shell and is spaced from the peripheral wall of the mounting cavity, and the tubular cold water channel covering the inner core is formed at the interval. According to the utility model, the inner core is arranged, so that hot water or water with higher temperature after mixing is coated by cold water in the tubular cold water channel, and the problem that the shell is too high in temperature and scalded due to direct contact of the shell with the hot water is avoided.
Description
Technical Field
The utility model relates to a cold contact constant temperature faucet.
Background
The shower head is a common bathing product, the faucet is a switching product matched with the shower head for use, at present, the faucet is provided with a hot water inlet and a cold water inlet, hot water enters a metal shell through a water inlet joint and then enters a thermostatic valve core through the metal shell; after hot water enters the metal shell, the surface temperature of the metal shell is higher due to the good heat conductivity of the metal shell, and the risk of scalding consumers exists.
Disclosure of Invention
The utility model provides a faucet capable of avoiding high-temperature scalding in order to solve the technical problems.
A cold contact constant temperature tap comprises a shell, an inner core, a hot water joint and a cold water joint, wherein,
the shell is provided with an installation cavity and a hot water inlet, a cold water inlet and a mixed water outlet which are communicated with the installation cavity.
The inner core is provided with a mixing pipeline, a temperature control valve core is installed at one end of the mixing pipeline, and a switch valve core is installed at the other end of the mixing pipeline. The diameter of the inner core is smaller than that of the installation cavity, the inner core is installed in the installation cavity of the shell and is spaced from the peripheral wall of the installation cavity, a tubular cold water channel wrapping the inner core is formed at intervals, and the tubular cold water channel is connected with the cold water inlet and the cold water inlet hole of the temperature control valve core. The temperature control valve core is arranged close to the hot water inlet and extends out of the shell, and the temperature control valve core faces towards the hot water inlet hole of the hot water inlet. The inner core is provided with a mixing water outlet hole communicated with the mixing water outlet and the mixing pipeline. The switch valve core opens or closes the mixing water outlet hole and extends out of the shell.
The hot water joint is arranged on the hot water inlet.
The cold water joint is arranged on the cold water inlet.
When the water heater is used, the hot water joint and the cold water joint are respectively connected with a hot water source and a cold water source. When the switch valve core is opened, cold water sequentially passes through the cold water joint, the cold water inlet, the tubular cold water channel, the temperature control valve core, the mixing pipeline of the inner core and the mixing water outlet hole, and finally flows out of the mixing water outlet of the shell. When the temperature control valve core is further opened, hot water sequentially passes through the hot water joint, the hot water inlet, the temperature control valve core, the mixing pipeline of the inner core and the mixing water outlet hole, and finally flows out of the mixing water outlet of the shell.
According to the utility model, the inner core is arranged, so that hot water or water with higher temperature after mixing is coated by cold water in the tubular cold water channel, and the problem that the shell is too high in temperature and scalded due to direct contact of the shell with the hot water is avoided.
Preferably, a cold water opening and a hot water opening corresponding to the cold water inlet hole and the hot water inlet hole are formed on the periphery of one end of the inner core, which is provided with the temperature control valve core.
Preferably, the hot water connector extends into the installation cavity through the hot water inlet and extends into the hot water opening of the inner core. A seal ring is provided between the outer periphery of the hot water joint and the hot water opening to prevent hot water from flowing from the hot water opening to the tubular cold water passage. A gap communicated with the tubular cold water channel is formed between the hot water joint and the hot water inlet, cold water can flow into the hot water joint and cover the hot water joint, and a sealing ring is arranged between the outer periphery of the hot water joint and the end part of the hot water inlet.
Preferably, the shell and the inner core are both long tubular. The temperature control valve core and the switch valve core are respectively arranged at two ends of the inner core and the shell. The hot water inlet and the cold water inlet are respectively arranged on the periphery of two ends of the shell. The mixed water outlet is arranged on the periphery of the middle part of the shell.
Preferably, sealing rings are arranged between the two ends of the inner core and the mounting cavity.
Preferably, the parts of the temperature control valve core and the switch valve core extending out of the shell are both connected with switch handles.
Preferably, the inner core comprises an inner tube, the inner tube is rotatably mounted in the mixing pipeline, and the outer wall of the inner tube is tightly attached to the inner wall of the mixing pipeline. And the inner pipe is provided with a through hole corresponding to the mixing water outlet hole. The switch valve core is connected with and drives the inner pipe to rotate, and the through hole is butted with or staggered with the mixing water outlet hole.
Preferably, the number of the mixing water outlets and the number of the mixing water outlets are two or more, so that the water outlet flexibility of the faucet is improved.
Preferably, the hot water joint and the cold water joint are both provided with check valves.
Preferably, the shell is made of copper, and the inner core is made of a plastic material.
As is apparent from the above description of the present invention, the present invention has the following advantageous effects:
1. by arranging the inner core, hot water or water with higher temperature after mixing is coated by cold water in the tubular cold water channel, so that the problem that the shell is too high in temperature and scalded due to direct contact of the shell with the hot water is avoided;
2. the hot water joint extends into the installation cavity through the hot water inlet and extends into the hot water opening of the inner core, a sealing ring is arranged between the outer peripheral part of the hot water joint and the hot water opening and between the hot water opening and the hot water inlet, so that hot water can be prevented from flowing to a tubular cold water channel from the hot water opening, cold water can flow into a gap between the hot water joint and the hot water inlet, the hot water joint is coated, the temperature of the hot water inlet is reduced, the whole shell is kept at a low temperature when the shell is used, and scalding is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
Wherein:
FIG. 1 is an exploded view of a cold touch thermostatic faucet;
FIG. 2 is an isometric view of a cold touch thermostatic faucet;
FIG. 3 is a front view of a cold contact thermostatic faucet;
FIG. 4 is a cross-sectional view of a cold-touch thermostatic faucet;
FIG. 5 is a second cross-sectional view of a cold contact thermostatic faucet;
FIG. 6 is a sectional view at the mounting position of the hot water joint;
the designations in fig. 1 to 6 are respectively: the water mixing device comprises a shell 1, an installation cavity 11, a tubular cold water channel 111, a hot water inlet 12, a cold water inlet 13, a mixed water outlet 14, an inner core 2, a mixing pipeline 21, a mixed water outlet 22, an inner pipe 23, a hot water joint 3, a cold water joint 4, a temperature control valve core 5, a switch valve core 6, a check valve 7 and a sealing ring 8.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 to 6, a cold contact thermostatic faucet includes a housing 1, a core 2, a hot water connector 3, and a cold water connector 4, wherein,
the shell 1 is provided with a mounting cavity 11 and a hot water inlet 12, a cold water inlet 13 and a mixed water outlet 14 which are communicated with the mounting cavity 11.
The inner core 2 is provided with a mixing pipeline 21, one end of the mixing pipeline 21 is provided with a temperature control valve core 5, and the other end is provided with a switch valve core 6.
Specifically, the diameter of the inner core 2 is smaller than that of the installation cavity 11, the inner core is installed in the installation cavity 11 of the shell 1, and preferably, the sealing rings 8 are arranged between the two ends of the inner core 2 and the installation cavity 11. The inner core 2 is spaced from the peripheral wall of the mounting cavity 11, a tubular cold water channel 111 covering the inner core 2 is formed at the interval, and the tubular cold water channel 111 is connected with the cold water inlet 13 and the cold water inlet hole of the temperature control valve core 5. In this embodiment, the shell 1 and the inner core 2 are both long tubular. The temperature control valve core 5 and the switch valve core 6 are respectively arranged at two ends of the inner core 2 and the shell 1. The hot water inlet 12 and the cold water inlet 13 are respectively arranged on the periphery of two ends of the shell 1. The mixing water outlet 14 is provided at the middle periphery of the housing 1.
In this embodiment, the periphery of the end of the inner core 2 where the temperature control valve core 5 is installed is provided with a cold water opening and a hot water opening corresponding to the cold water inlet hole and the hot water inlet hole. The temperature control valve core 5 is installed close to the hot water inlet 12 and extends out of the shell 1, and the temperature control valve core 5 passes through a hot water inlet hole facing the hot water inlet 12.
The inner core 2 is provided with a mixing water outlet hole 22 which is communicated with the mixing water outlet 14 and the mixing pipeline 21. The switch valve core 6 opens or closes the mixing water outlet hole 22 and extends out of the shell 1.
In this embodiment, the inner core 2 includes an inner tube 23, the inner tube 23 is rotatably installed in the mixing pipe 21, and an outer wall of the inner tube 23 is tightly attached to an inner wall of the mixing pipe 21. The inner pipe 23 is provided with a through hole corresponding to the mixing water outlet hole 22. The switch valve core 6 is connected with and drives the inner pipe 23 to rotate, and the through holes are butted with or staggered with the mixing water outlet hole 22. Preferably, there are two or more mixing water outlets 14 and 22, so as to improve the water outlet flexibility of the faucet.
The hot water joint 3 is arranged on the hot water inlet 12. And the cold water joint 4 is arranged on the cold water inlet 13. Preferably, the hot water joint 3 and the cold water joint 4 are both provided with check valves 7.
When in use, the hot water joint 3 and the cold water joint 4 are respectively connected with a hot water source and a cold water source. When the switch valve core 6 is opened, cold water passes through the cold water joint 4, the cold water inlet 13, the tubular cold water channel 111, the temperature control valve core 5, the mixing pipeline 21 of the inner core 2 and the mixing water outlet 22 in sequence, and finally flows out of the mixing water outlet 14 of the shell 1. When the temperature control valve core 5 is further opened, hot water passes through the hot water joint 3, the hot water inlet 12, the temperature control valve core 5, the mixing pipeline 21 of the inner core 2 and the mixing water outlet 22 in sequence, and finally flows out of the mixing water outlet 14 of the shell 1.
According to the utility model, the inner core 2 is arranged, so that hot water or water with higher temperature after mixing is coated by cold water in the tubular cold water channel 111, and the problem that the shell 1 is too high in temperature and scalded due to direct contact of the shell 1 with the hot water is avoided.
In other embodiments, the hot water connection 3 extends through the hot water inlet 12 into the installation chamber 11 and into the hot water opening of the inner core 2. A packing 8 is provided between the outer peripheral portion of the hot water joint 3 and the hot water opening to prevent hot water from flowing from the hot water opening to the tubular cold water passage 111. A gap communicating with the tubular cold water channel 111 is formed between the hot water joint 3 and the hot water inlet 12, so that cold water can flow into and coat the hot water joint 3, and a sealing ring 8 is arranged between the outer periphery of the hot water joint 3 and the end of the hot water inlet 12, so that all parts of the faucet shell 1 are not in direct contact with hot water.
The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.
Claims (10)
1. A cold contact thermostatic faucet, comprising:
the shell is provided with an installation cavity, and a hot water inlet, a cold water inlet and a mixed water outlet which are communicated with the installation cavity;
the temperature control valve core is arranged at one end of the mixing pipeline, and the switch valve core is arranged at the other end of the mixing pipeline; the inner core is arranged in the mounting cavity of the shell and is spaced from the peripheral wall of the mounting cavity, a tubular cold water channel for coating the inner core is formed at intervals, and the tubular cold water channel is connected with the cold water inlet and the cold water inlet hole of the temperature control valve core; the temperature control valve core is arranged close to the hot water inlet and extends out of the shell, and the temperature control valve core faces towards a hot water inlet hole of the hot water inlet; the inner core is provided with a mixing water outlet hole communicated with the mixing water outlet and the mixing pipeline; the switch valve core opens or closes the mixing water outlet hole and extends out of the shell;
the hot water joint is arranged on the hot water inlet;
and the cold water joint is arranged on the cold water inlet.
2. The cold-contact thermostatic faucet of claim 1, wherein a cold water opening and a hot water opening corresponding to the cold water inlet hole and the hot water inlet hole are formed on a periphery of one end of the inner core where the temperature control valve core is installed.
3. The cold-touch thermostatic faucet of claim 2, wherein the hot water tap extends into the mounting cavity through the hot water inlet and into the hot water opening of the inner core; a sealing ring is arranged between the outer periphery of the hot water joint and the hot water opening; a gap for communicating the tubular cold water channel is formed between the hot water joint and the hot water inlet, and a sealing ring is arranged between the outer periphery of the hot water joint and the end part of the hot water inlet.
4. The cold-touch thermostatic faucet of claim 1, wherein the shell and the inner core are both long tubular; the temperature control valve core and the switch valve core are respectively arranged at two ends of the inner core and the shell; the hot water inlet and the cold water inlet are respectively arranged on the periphery of two ends of the shell; the mixed water outlet is arranged on the periphery of the middle part of the shell.
5. The cold-touch thermostatic faucet of claim 4, wherein sealing rings are arranged between both ends of the inner core and the mounting cavity.
6. The cold-touch thermostatic faucet of claim 1, wherein the portions of the temperature control valve core and the switch valve core extending out of the housing are both connected with switch handles.
7. The cold-contact thermostatic faucet of claim 1, wherein the inner core comprises an inner tube rotatably mounted within the mixing tube, and an outer wall of the inner tube abuts against an inner wall of the mixing tube; the inner pipe is provided with a through hole corresponding to the mixing water outlet hole; the switch valve core is connected with and drives the inner pipe to rotate, and the through hole is butted with or staggered with the mixing water outlet hole.
8. The cold-touch thermostatic faucet of claim 7, wherein the number of the mixing water outlet and the number of the mixing water outlet holes are two or more.
9. The cold-touch thermostatic faucet of claim 1, wherein check valves are disposed in both the hot water connector and the cold water connector.
10. The cold-touch thermostatic faucet of claim 1, wherein the housing is made of copper and the inner core is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220064788.2U CN216715319U (en) | 2022-01-11 | 2022-01-11 | Cold contact constant temperature faucet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220064788.2U CN216715319U (en) | 2022-01-11 | 2022-01-11 | Cold contact constant temperature faucet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216715319U true CN216715319U (en) | 2022-06-10 |
Family
ID=81891508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220064788.2U Active CN216715319U (en) | 2022-01-11 | 2022-01-11 | Cold contact constant temperature faucet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216715319U (en) |
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2022
- 2022-01-11 CN CN202220064788.2U patent/CN216715319U/en active Active
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