Automatic protection device for liquid heater

Abstract

The utility model provides an automatic protection device for a liquid heater, which comprises a shell assembly and a heating base, the heating base is arranged at the bottom of the shell assembly, the bottom of the heating base is provided with a power jack and a water leakage hole, the heating base is provided with a power plug and a protection part, and the protection part comprises an elastic movable combination rod and an elastic connection combination rod. The elastic end of the elastic connecting combined rod is connected into the heating base, the pushing end of the elastic connecting combined rod can stretch out and draw back on the heating base left and right, the elastic sealing end of the elastic movable combined rod is connected into the bottom, corresponding to the water leakage hole, of the heating base, and the elastic connecting combined rod is provided with high-low steps. And the high-low level is in sliding connection with the connecting end of the elastic movable combined rod. The device is simple in structure, can automatically open or close the water leakage hole, avoids the situation that water cannot enter a machine during cleaning, ensures that the machine meets the safety use specification, is high in protection performance, reduces unfavorable conditions, and ensures the use effect of a product.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid heater technical field, specifically is a kind of automatic protection device for liquid heater. BACKGROUND

[0002] At present, liquid heater is mainly used to keep water, milk, juice and other liquids warm, heated, which generally includes housing assembly containing liquid and heating base arranged at the bottom of housing assembly. When working, heating base is powered to heat, to heat the liquid in the housing assembly.

[0003] However, in order to meet the use of safety regulations, the lowest position of the bottom of the existing liquid heater needs to be opened. However, in actual application, the water leakage hole will cause water to enter during cleaning, causing the liquid heater to be defective, reducing the service life of the product. INVENTION CONTENTS

[0004] The utility model discloses a kind of automatic protection devices for liquid heater, which is simple in structure, can automatically open or close water leakage hole, avoid entering machine interior when cleaning, ensure that machine meets safety use regulations, high in protection performance, reduce the occurrence of defective condition, ensure the use effect of product.

[0005] The utility model discloses a kind of automatic protection devices for liquid heater, which is simple in structure, can automatically open or close water leakage hole, avoid entering machine interior when cleaning, ensure that machine meets safety use regulations, high in protection performance, reduce the occurrence of defective condition, ensure the use effect of product.

[0006] According to the above optimization, the elastic connecting combination rod includes connecting spring and push rod, the high-low level position is arranged at the top of push rod, and the two elastic ends of the connecting spring are connected to the inner side of heating base and high-low level position respectively.

[0007] According to the above optimization, the high-low level position is provided with positioning groove for positioning connection with the elastic end of connecting spring.

[0008] According to the optimization, the power plug is provided with a pushing plate for pushing the elastic connecting combination rod, and the pushing plate is integrally formed at the lower part of the power plug.

[0009] According to the optimization, the elastic movable combination rod comprises a movable spring and a movable rod, two elastic ends of the movable spring are connected to the movable rod and the inner wall of the water leakage hole respectively, the top of the movable rod is in sliding connection with the high-low grade position, and the bottom of the movable rod is provided with a sealing part that is moved away from the water leakage hole under the elastic action of the movable spring or is moved downward to be in sealing connection with the water leakage hole.

[0010] According to the optimization, the top of the movable rod is provided with a guide part for directional sliding of the high-low grade position.

[0011] According to the optimization, the heating base is internally provided with a guide groove for directional upward and downward movement of the movable rod.

[0012] The utility model discloses the advantages are:

[0013] The liquid heater of the structure can seal the elastic movable combination rod of the protection part on the water leakage hole during cleaning, avoids water from entering the machine, has high protection performance, reduces the emergence of adverse conditions, guarantees the use quality of the machine, resets the elastic movable combination rod of the protection part to open the water leakage hole during heating work, and ensures that the machine meets the safety use regulations during use. BRIEF DESCRIPTION OF DRAWINGS

[0014] ATTACHMENT Fig. 1 It is the structure schematic diagram of preferable embodiment working state of the utility model.

[0015] ATTACHMENT Fig. 2 It is the sectional view of preferable embodiment normal placing state of the utility model.

[0016] ATTACHMENT Fig. 3 It is the partial enlarged view of preferable embodiment normal placing state of the utility model.

[0017] ATTACHMENT Fig. 4 It is the sectional view of preferable embodiment normal placing state of the utility model.

[0018] ATTACHMENT Fig. 5 It is the partial enlarged view of preferable embodiment normal placing state of the utility model. DETAILED DESCRIPTION

[0019] The utility model will be further described in connection with the drawings.

[0020] According to the attachment Figs. 1 to 5As shown in the figure, the automatic protection device for the liquid heater comprises a housing assembly 1 with a liquid storage cavity, a heating base 2 for heating liquid, the heating base 2 is arranged at the bottom of the housing assembly 1, and the bottom of the heating base 2 is provided with a power socket 3 and a water leakage hole 4. Among them, the heating base 2 is provided with a detachable power plug 5, a protection component for automatically closing or opening the water leakage hole 4, the protection component comprises an elastic movable combination rod 6 and an elastic connection combination rod 7. The elastic end of the elastic connection combination rod 7 is connected in the heating base 2, and the pushing end of the elastic connection combination rod 7 can be telescoped on the heating base 2. The elastic sealing end of the elastic movable combination rod 6 is connected in the bottom of the heating base 2 corresponding to the water leakage hole 4, the elastic connection combination rod 7 is provided with a high-low level position 8 which can seal the elastic sealing end of the elastic movable combination rod 6 on the water leakage hole 4 or move away from the water leakage hole 4, and the high-low level position 8 is slidably connected with the connecting end of the elastic movable combination rod 6.

[0021] In this way, through the structural cooperation of the elastic movable combination rod 6 and the elastic connection combination rod 7 of the protection component, the elastic movable combination rod 6 of the protection component can be sealed on the water leakage hole 4 during cleaning, so as to avoid water from entering the inside of the machine, improve the protection performance, reduce the occurrence of adverse conditions, and ensure the use quality of the machine; during heating work, the elastic movable combination rod 6 of the protection component is reset to open the water leakage hole 4, so as to ensure that the machine meets the safety use regulations during use.

[0022] Referring to Figs. 1 to 5 As shown in the figure, the elastic connection combination rod 7 comprises a connecting spring 71 and a pushing rod 72, the high-low level position 8 is arranged at the top of the pushing rod 72, and the two elastic ends of the connecting spring 71 are connected to the inside of the heating base 2 and the high-low level position 8 respectively.

[0023] Among them, the power plug 5 is provided with a pushing plate 51 for pushing the elastic connection combination rod 7, and the pushing plate 51 is integrally formed at the lower part of the power plug 5.

[0024] In addition, the elastic movable combination rod 6 comprises a movable spring 61 and a movable rod 62, the two elastic ends of the movable spring 61 are connected to the inside of the movable rod 62 and the inner wall of the water leakage hole 4 respectively, the top of the movable rod 62 is slidably connected with the high-low level position 8, and the bottom of the movable rod 62 is provided with a sealing part 63 which moves away from the water leakage hole 4 under the elastic action of the movable spring 61 or is reset to be sealed on the water leakage hole 4.

[0025] When the heating electric heater is in normal position, the power plug 5 is separated from the power socket 3, the elastic force of the connecting spring 71 is applied to the pushing rod 72, the pushing rod 72 is extended out of the heating base 2 in normal state, the top of the movable rod 62 is connected with the high-low step position 8, that is, the movable rod 62 is at the high position of the high-low step position 8, thus the movable spring 61 is compressed and moves downward, the sealing part 63 of the movable rod 62 is sealed and connected to the water leakage hole 4, the heating electric heater is in sealed state when cleaning, and water cannot enter the machine.

[0026] When the heating electric heater is in use, the power plug 5 is inserted into the power socket 3, the pushing plate 51 pushes the pushing rod 72 to move into the heating base 2, the top of the movable rod 62 slides along the high-low step position 8 to the pushing rod 72, and the top of the movable rod 62 moves from the high position of the high-low step position 8 to the low position. Then, the movable rod 62 moves upward under the elastic force of the connecting spring 71, the sealing part 63 of the movable rod 62 moves away from the water leakage hole 4, the elastic movable rod 6 is reset to open the water leakage hole 4 when the heating work is performed, and the machine is used in safety.

[0027] Referring to Figs. 1 to 5 Further, the top of the convex edge part 73 is provided with a positioning groove 73 for positioning and connecting the elastic end of the connecting spring 71.

[0028] In addition, the top of the movable rod 62 is provided with a guide part 64 for directional sliding of the high-low step position 8, and the heating base 2 is provided with a guide groove 21 for directional upward and downward movement of the movable rod 62.

[0029] The elastic connecting combination rod 7 and the spring movable combination are matched with the heating base 2, the structural connection stability is further enhanced, the operation is stable and convenient, and the use quality of the product is improved.

[0030] The above specific embodiments are only specific embodiments with good effects of the utility model, and any structure identical or equivalent to the automatic protection device for the liquid heating device is within the protection scope of the utility model.

Claims

1. An automatic protection device for a liquid heater, comprising a housing assembly (1) having a liquid storage chamber and a heating base (2) for heating the liquid, wherein the heating base (2) is disposed at the bottom of the housing assembly (1), and the bottom of the heating base (2) is provided with a power socket (3) and a drain hole (4), characterized in that: The heating base (2) is provided with a detachable power plug (5) and a protective component for automatically closing or opening the drain hole (4). The protective component includes an elastic movable combination rod (6) and an elastic connecting combination rod (7). The elastic end of the elastic connecting combination rod (7) is connected inside the heating base (2). The pushing end of the elastic connecting combination rod (7) can extend and retract on the heating base (2) from left to right. The elastic sealing end of the elastic movable combination rod (6) is connected inside the bottom of the heating base (2) corresponding to the drain hole (4). The elastic connecting combination rod (7) is provided with high and low steps (8) for sealing the elastic sealing end of the elastic movable combination rod (6) to the drain hole (4) or moving it away from the drain hole (4). The high and low steps (8) are slidably connected to the connecting end of the elastic movable combination rod (6).

2. The automatic protection device for a liquid heater according to claim 1, characterized in that: The elastic connecting rod (7) includes a connecting spring (71) and a push rod (72). The high and low step positions (8) are located at the top of the push rod (72). The two elastic ends of the connecting spring (71) are respectively connected to the inner side of the heating base (2) and the high and low step positions (8).

3. The automatic protection device for a liquid heater according to claim 2, characterized in that: The high and low step positions (8) are provided with positioning grooves (73) for positioning and connecting with the elastic end of the connecting spring (71).

4. The automatic protection device for a liquid heater according to claim 1, characterized in that: The power plug (5) is provided with a push plate (51) for pushing the elastic connecting rod (7), and the push plate (51) is integrally formed on the lower part of the power plug (5).

5. The automatic protection device for a liquid heater according to claim 1, characterized in that: The elastic movable combination rod (6) includes a movable spring (61) and a movable rod (62). The two elastic ends of the movable spring (61) are respectively connected to the inner wall of the movable rod (62) and the drain hole (4). The top of the movable rod (62) is slidably connected to the high and low steps (8). The bottom of the movable rod (62) is provided with a sealing part (63) for moving upward and away from the drain hole (4) or moving downward and resetting under the elastic action of the movable spring (61) to seal and connect to the drain hole (4).

6. The automatic protection device for a liquid heater according to claim 5, characterized in that: The top of the movable rod (62) is provided with a guide (64) for directional sliding of the high and low steps (8).

7. The automatic protection device for a liquid heater according to claim 5, characterized in that: The heating base (2) is provided with a guide groove (21) for the movable rod (62) to move up and down in a directional manner.

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