Gas water heater with memory alloy arranged in hot water outlet

Abstract

A gas water heater with memory alloy arranged in a hot water outlet comprises a machine body, a water outlet is formed in the bottom of the machine body, a memory alloy adjusting valve is arranged on the water outlet, the memory alloy adjusting valve comprises a valve element, a memory alloy spring and a valve seat assembly, the valve seat assembly is fixed to the water outlet, and the memory alloy spring is arranged between the valve element and the valve seat assembly. A plurality of water outlet channels are annularly distributed on the valve seat assembly, and the memory alloy spring drives the valve element to move up and down on the water outlet when stretching out and drawing back so as to adjust the water outlet sectional area of the water outlet channels. According to the gas water heater, the memory alloy adjusting valve is arranged on the water outlet and comprises the valve element, the memory alloy spring and the valve seat assembly, and by means of the characteristics of the memory alloy spring, the lower the water temperature is, the shorter the spring is, the smaller the water outlet sectional area of the water outlet channel is, the smaller the water flow is, the higher the water temperature is and the longer the spring is. The larger the water outlet sectional area of the water outlet channel is, the larger the water flow is.

Description

TECHNICAL FIELD

[0001] The utility model relates to water heater technical field, especially a gas water heater with memory alloy in hot water outlet. BACKGROUND

[0002] When the gas water heater starts to boil water, it takes a period of time to ignite the gas, which results in that the water temperature is low when the water heater starts to discharge water, and this part of water with low temperature is generally wasted, and it takes a certain period of time from starting the water heater to boil water to heating the water to a related temperature, and further results in that the gas consumption of the gas water heater to heat to the target temperature is large.

[0003] Therefore, it is necessary to make further improvement. CONTENT OF UTILITY MODEL

[0004] The utility model discloses a gas water heater with memory alloy in hot water outlet, which has simple structure, can save water resources, has short heating time, low gas consumption and high practicability, and overcomes the defects of the prior art.

[0005] A gas water heater with memory alloy in hot water outlet is designed for the purpose, which comprises a body, and a water outlet is arranged at the bottom of the body, characterized in that a memory alloy regulating valve is arranged on the water outlet, the memory alloy regulating valve comprises a valve core, a memory alloy spring and a valve seat assembly, the valve seat assembly is fixed on the water outlet, the memory alloy spring is arranged between the valve core and the valve seat assembly, a plurality of water outlet channels are annularly arranged on the valve seat assembly, and the memory alloy spring drives the valve core to move up and down on the water outlet when it expands and contracts, so as to adjust the water outlet cross-sectional area of the water outlet channels.

[0006] The lower part of the valve core is provided with an adjusting part, the coincidence of the adjusting part and the water outlet channels is changed when the valve core moves up and down, and the water outlet cross-sectional area of the water outlet channels is adjusted.

[0007] The upper part of the water outlet is provided with a limiting part, the upper part of the valve core is provided with a limiting matching part, and the limiting matching part is limited on the limiting part when the valve core moves up.

[0008] The valve seat assembly comprises a valve seat, the valve seat is provided with a insertion hole, the adjusting part is at least partially inserted into the insertion hole, and the water outlet channels are arranged on the valve seat and annularly arranged on the circumferential side of the insertion hole.

[0009] The valve seat assembly further comprises a sealing piece and a sealing pressing piece, the sealing pressing piece is arranged on the valve seat, the memory alloy spring is arranged between the valve core and the sealing pressing piece, and the sealing piece is pressed between the sealing pressing piece, the valve seat and the valve core.

[0010] A plurality of water outlet holes are annularly arranged on the bottom of the valve seat, the water outlet holes correspond to the water outlet channels one by one, a water flow channel is arranged in the valve core, and the water flow channel, the insertion hole, the water outlet channel and the water outlet hole are sequentially communicated.

[0011] The memory alloy regulating valve further comprises a sealing ring arranged between the valve seat and the inner side wall of the water outlet.

[0012] The bottom of the body is further provided with a water inlet valve, and the body is provided with a heat exchanger, a water inlet pipe and a water outlet pipe.

[0013] The bottom of the water outlet is connected with a water outlet connector, the water outlet hole is communicated with the water outlet connector, the water outlet is provided with a positioning part, and the valve seat is arranged between the positioning part and the water outlet connector.

[0014] The bottom of the body is further provided with an air inlet, and the body is provided with a burner and a proportional valve.

[0015] The gas water heater of the utility model is provided with a memory alloy regulating valve on the water outlet, the memory alloy regulating valve comprises a valve core, a memory alloy spring and a valve seat assembly, the water temperature is lower, the spring length is shorter, the water outlet sectional area of the water outlet channel is smaller, the water flow is smaller, the water temperature is higher, the spring length is longer, the water outlet sectional area of the water outlet channel is larger, the water flow is larger, when the gas water heater is started, the water temperature is lower (before the gas is ignited to heat), the water flow is in a small state, the waste of water can be reduced, in the heating process, the water flow is limited to a low level, the heating efficiency can be improved, and the heating time is reduced (the time from starting the water heater to heating to the target temperature of the user), therefore, the gas consumption for heating the gas water heater to the target temperature can be reduced, the waste of water resources in the heating process is also reduced, and in the heating process, the water temperature is higher, and the water flow is gradually increased to the maximum water flow. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a sectional view of the gas water heater in an embodiment of the utility model.

[0017] Figure 2 It is Figure 1 It is an enlarged structural schematic view of B.

[0018] Figure 3 It is a whole structural schematic view of the memory alloy regulating valve in an embodiment of the utility model.

[0019] Figure 4 It is a whole structural schematic view of the valve seat assembly in an embodiment of the utility model.

[0020] Figure 5 It is an exploded structural schematic view of the memory alloy regulating valve in an embodiment of the utility model.

[0021] Figure 6The internal structure diagram of the gas water heater in an embodiment of the utility model. DETAILED DESCRIPTION

[0022] The utility model will be further described in connection with the drawings and embodiments.

[0023] Refer to Figures 1-6 , the hot water outlet built-in memory alloy's gas water heater, including body 1, the bottom of body 1 is provided with water outlet 2, is provided with memory alloy regulating valve A on water outlet 2, memory alloy regulating valve A includes valve core 3, memory alloy spring 4 and valve seat assembly 5, valve seat assembly 5 is fixed on water outlet 2, memory alloy spring 4 is arranged between valve core 3 and valve seat assembly 5, there are several water outlet passages 6 annularly distributed on valve seat assembly 5, memory alloy spring 4 is retracted when driving valve core 3 to move up and down on water outlet 2, to adjust the water outlet cross-sectional area size of water outlet passage 6, specifically, when water temperature is lower, memory alloy spring 4 is shortened, and drives valve core 3 to move down, to make the water outlet cross-sectional area of water outlet passage 6 reduce, so water flow reduces, when water temperature is higher, memory alloy spring 4 is lengthened, and drives valve core 3 to move up, to make the water outlet cross-sectional area of water outlet passage 6 increase, so water flow increases.

[0024] ‌The lower part of valve core 3 is provided with adjusting part 26, and the coincidence degree of adjusting part 26 and water outlet passage 6 is changed when valve core 3 moves up and down, to further adjust the water outlet cross-sectional area size of water outlet passage 6, when valve core 3 moves down, the coincidence degree of adjusting part 26 and water outlet passage 6 increases, to make the water outlet cross-sectional area of water outlet passage 6 reduce, when valve core 3 moves up, the coincidence degree of adjusting part 26 and water outlet passage 6 reduces, to make the water outlet cross-sectional area of water outlet passage 6 increase.

[0025] The upper part of water outlet 2 is provided with limiting part 7, and the upper part of valve core 3 is provided with limiting matching part 15, and limiting matching part 15 is limited on limiting part 7 when valve core 3 moves up, to prevent valve core 3 from moving excessively upwards.

[0026] Valve seat assembly 5 includes valve seat 8, and the center of valve seat 8 is provided with insertion hole 9, adjusting part 26 is at least partially inserted into insertion hole 9, and water outlet passage 6 is arranged on valve seat 8 and annularly distributed on the circumferential side of insertion hole 9, so that the coincidence degree of adjusting part 26 and water outlet passage 6 can be changed when valve core 3 moves up and down.

[0027] Valve seat assembly 5 further includes sealing element 10 and sealing pressure element 11, sealing pressure element 11 is arranged on the top of valve seat 8, memory alloy spring 4 is arranged between valve core 3 and sealing pressure element 11, sealing element 10 is pressed between sealing pressure element 11, valve seat 8 and valve core 3, sealing element 10 is sealing pad, and the gap between valve seat 8 and valve core 3 can be sealed, to prevent water from flowing from the gap between valve seat 8 and valve core 3 to water outlet passage 6, so that the water outlet cross-sectional area size of water outlet passage 6 cannot be adjusted.

[0028] The bottom of the valve seat 8 is annularly provided with a plurality of water outlet holes 12 corresponding to the water outlet channels 6, and the valve core 3 is provided with a water flow channel 13, which is sequentially communicated with the insertion hole 9, the water outlet channel 6 and the water outlet hole 12.

[0029] The memory alloy regulating valve A further comprises a sealing ring 14 arranged between the valve seat 8 and the inner side wall of the water outlet 2, which can prevent water from flowing into the gap between the valve seat 8 and the inner side wall of the water outlet 2.

[0030] The bottom of the body 1 is further provided with a water inlet valve 16, and the body 1 is provided with a heat exchanger 17, a water inlet pipe 18 and a water outlet pipe 19, which are sequentially communicated with the water inlet valve 16, the water inlet pipe 18, the heat exchanger 17, the water outlet pipe 19 and the water flow channel 13, and the bottom of the water inlet valve 16 is provided with a water inlet connector 25; the external tap water sequentially passes through the water inlet valve 16 and the water inlet pipe 18 to enter the heat exchanger 17 for heat exchange, and the heated water flows to the water flow channel 13 through the water outlet pipe 19, then sequentially flows to the water outlet hole 12 through the insertion hole 9 and the water outlet channel 6, and finally flows out of the gas water heater through the water outlet connector 20.

[0031] The bottom of the water outlet 2 is connected with a water outlet connector 20, and the water outlet hole 12 is communicated with the water outlet connector 20; the water outlet 2 is provided with a positioning portion 24, and the valve seat 8 is arranged between the positioning portion 24 and the water outlet connector 20, so as to fix the valve seat 8 on the water outlet 2.

[0032] The bottom of the body 1 is further provided with an air inlet 21, and the body 1 is provided with a burner 22 and a proportional valve 23, which are sequentially communicated with the air inlet 21, the proportional valve 23 and the burner 22, and the burner 22 is located below the heat exchanger 17.

[0033] The above is the preferred scheme of the present application, which displays and describes the basic principle, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A gas water heater with a heat water outlet embedded with a memory alloy, comprising a body (1), the bottom of the body (1) is provided with a water outlet (2), characterized in that: The outlet (2) is provided with a memory alloy regulating valve (A), the memory alloy regulating valve (A) comprises a valve core (3), a memory alloy spring (4) and a valve seat assembly (5), the valve seat assembly (5) is fixed on the outlet (2), the memory alloy spring (4) is arranged between the valve core (3) and the valve seat assembly (5), a plurality of water outlet channels (6) are annularly distributed on the valve seat assembly (5), the memory alloy spring (4) drives the valve core (3) to move up and down on the outlet (2) when it is stretched or retracted, so as to adjust the water outlet cross-sectional area of the water outlet channel (6).

2. The gas water heater with a heat water outlet built-in memory alloy according to claim 1, characterized in that: The lower part of the valve core (3) is provided with an adjusting part (26), and the overlapping degree of the adjusting part (26) and the water outlet channel (6) is changed when the valve core (3) moves up and down, thereby adjusting the water outlet cross-sectional area of the water outlet channel (6).

3. The gas water heater with a heat water outlet embedded memory alloy according to claim 1, characterized in that: The upper part of the outlet (2) is provided with a limiting part (7), and the upper part of the valve core (3) is provided with a limiting matching part (15), and the limiting matching part (15) is limited on the limiting part (7) when the valve core (3) moves upward.

4. The gas water heater with a heat water outlet embedded memory alloy according to claim 2, characterized in that: The valve seat assembly (5) comprises a valve seat (8), the valve seat (8) is provided with a insertion hole (9), the adjusting part (26) is at least partially inserted into the insertion hole (9), and the water outlet channel (6) is arranged on the valve seat (8) and annularly distributed on the periphery of the insertion hole (9).

5. The gas water heater with a heat water outlet embedded with a memory alloy according to claim 4, characterized in that: The valve seat assembly (5) further comprises a sealing member (10) and a sealing pressing member (11), the sealing pressing member (11) is arranged on the valve seat (8), the memory alloy spring (4) is arranged between the valve core (3) and the sealing pressing member (11), and the sealing member (10) is pressed between the sealing pressing member (11), the valve seat (8) and the valve core (3).

6. The gas water heater with a heat water outlet embedded with a memory alloy according to claim 5, characterized in that: A plurality of water outlet holes (12) are annularly arranged on the bottom of the valve seat (8), the water outlet holes (12) correspond to the water outlet channels (6) one by one, a water flow channel (13) is arranged in the valve core (3), and the water flow channel (13), the insertion hole (9), the water outlet channel (6) and the water outlet hole (12) are sequentially communicated.

7. The gas water heater with a heat water outlet embedded with a memory alloy according to claim 4, characterized in that: The memory alloy regulating valve (A) further comprises a sealing ring (14), and the sealing ring (14) is arranged between the valve seat (8) and the inner side wall of the outlet (2).

8. The gas water heater with a heat water outlet embedded with a memory alloy according to claim 6, characterized in that: The bottom of the machine body (1) is further provided with a water inlet valve (16), the machine body (1) is provided with a heat exchanger (17), a water inlet pipe (18) and a water outlet pipe (19), the water inlet valve (16), the water inlet pipe (18), the heat exchanger (17), the water outlet pipe (19) and the water flow channel (13) are sequentially communicated.

9. The gas water heater with a heat water outlet embedded with a memory alloy according to claim 8, characterized in that: The bottom of the outlet (2) is connected with a water outlet connector (20), the water outlet hole (12) communicates with the water outlet connector (20), and the outlet (2) is provided with a positioning part (24), and the valve seat (8) is pressed between the positioning part (24) and the water outlet connector (20).

10. The gas water heater with a heat water outlet embedded with a memory alloy according to claim 8, characterized in that: The bottom of the machine body (1) is further provided with an air inlet (21), and the machine body (1) is provided with a burner (22) and a proportional valve (23), the air inlet (21), the proportional valve (23) and the burner (22) are sequentially communicated, and the burner (22) is located below the heat exchanger (17).

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