CN219868478U - Dry-heating-preventing electric heating faucet - Google Patents

Abstract

The utility model discloses an anti-dry heating electric heating faucet, which comprises a shell, wherein a control valve body is arranged in the shell, and two ends of the control valve body are respectively communicated with a water inlet pipe and a water outlet pipe; the casing both ends all are covered and are closed the end cover, are equipped with on the end cover to insert in the casing and with shells inner wall screw-thread fit's connecting wire seat, are equipped with explosion-proof structure in the casing, and explosion-proof structure includes the explosion-proof piece that sets up in the casing along same length direction, and the explosion-proof piece is provided with a pair of at least, and the cover is equipped with the explosion-proof ring on the explosion-proof piece that is provided with a pair of at least, and explosion-proof structure is still including seting up the slot at the connecting wire seat terminal surface, and the tip and the slot grafting cooperation of explosion-proof piece. The utility model can form an explosion-proof bracket in the electric heating faucet shell, can still effectively ensure the explosion-proof safety performance of the electric heating faucet on the premise of not using high-strength materials and low cost for the shell, has simple structure, is easy to produce and assemble, and has higher economic performance and practical value.

Description

Dry-heating-preventing electric heating faucet

Technical Field

The utility model relates to the technical field of electric heating water faucets, in particular to an electric heating water faucet capable of preventing dry heating.

Background

The instant heating type electric water heater can rapidly heat running water through electronic heating components, and can control water temperature, flow rate, power and the like through a circuit, so that the water temperature reaches the temperature suitable for bath of a human body, the instant heating type electric water heater is instant heating, heating can be started usually within a few seconds without waiting, and in order to avoid the problem of dry heating caused by water cut-off, the existing electric water heating faucet generally has the dry heating prevention function. For example, in the prior art, an electrothermal faucet for preventing dry combustion provided by patent application No. 201922872394.4 includes: the utility model, the valve body is installed in the outer cover and locates under heating body, the upper and lower both ends of the valve body are equipped with the water outlet channel, water inlet channel communicated separately, the water outlet channel is communicated to the heating body, the utility model, when the valve body is water-filled, the second microswitch is in on state, if the first microswitch is on at the same time, the heating body begins to work in order to heat the water flow; when the valve body is not connected with water, the second micro switch is in an off state, and even if the first micro switch is connected, the heating body does not work, so that the effect of preventing thousand burns is achieved.

However, in the practical application process, the applicant finds that the existing electric heating faucet including the technical scheme has the function of preventing dry heating, but the phenomenon of dry heating caused by micro switch faults and other factors is unavoidable, and in order to prevent electric leakage, the electric heating faucet body is generally made of plastic, metal and high-strength synthetic materials are rarely used, so that the dry heating under the micro switch faults easily causes the burning and explosion conditions of the electric heating faucet shell, and a great potential safety hazard exists, so that the problem to be solved is still needed to be solved, and the utility model provides the electric heating faucet capable of preventing dry heating on the premise that the shell does not adopt high-strength materials and has low cost.

Disclosure of Invention

The utility model aims to provide an anti-dry-heating electric heating faucet, which can form an anti-explosion bracket in an electric heating faucet shell, can still effectively ensure the anti-explosion safety performance of the electric heating faucet on the premise that the shell does not use high-strength materials and has low cost, and has simple structure, easy production and assembly and higher economic performance and practical value.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the electric heating faucet capable of preventing dry heating comprises a shell, wherein a control valve body is arranged in the shell, and two ends of the control valve body are respectively communicated with a water inlet pipe and a water outlet pipe;

the explosion-proof device is characterized in that end covers are respectively covered at two ends of the shell, a connecting wire seat which can be inserted into the shell and is in threaded fit with the inner wall of the shell is arranged on the end covers, an explosion-proof structure is arranged in the shell and comprises an explosion-proof piece arranged in the shell along the same length direction, at least one pair of explosion-proof pieces are arranged, at least one pair of explosion-proof pieces are sleeved with explosion-proof rings, the explosion-proof structure further comprises a slot which is formed in the end face of the connecting wire seat, and the end part of each explosion-proof piece is in plug-in fit with the slot.

Preferably, the slot is provided with a circle along the end face of the connecting wire seat, and one face of the end cover facing the outside of the shell is coaxially provided with a driving groove.

Preferably, the explosion-proof ring is penetrated with a fixing screw which is in threaded connection with the explosion-proof piece.

Preferably, the explosion-proof ring is formed by bending a metal sheet, one end of the metal sheet is provided with a bending part, and the other end of the metal sheet is embedded and riveted with the bending part.

Preferably, the inlet tube and outlet pipe all run through the casing lateral wall and stretch out the casing outside, the one section cover that the outlet pipe is located the casing is equipped with the heating pipe, one side that the control valve body kept away from the inlet tube is provided with the micro-gap switch that the interior rivers of response outlet pipe passed through and the controller that control heating pipe heated, controller and micro-gap switch electric connection, it has the pad of parcel heating pipe to pack in the casing, and the pad is ceramic material.

Preferably, the water inlet pipe is perpendicular to the shutoff direction of the control valve body, a flow guide channel communicated with the water inlet pipe is arranged in the control valve body, and the flow guide channel is of a U-shaped structure.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model utilizes the mode that whether water flows through the water outlet pipe or not is sensed by the micro switch and the heating pipe is controlled to start heating by feeding back signals to the controller, can effectively realize the effect of preventing the heating pipe from dry burning of the water outlet pipe, and in addition, utilizes the U-shaped diversion channel to divert the water flow conveyed by the water inlet pipe, can effectively avoid the direct stamping of the water flow to the control valve body, relieves the potential energy of the water flow, prolongs the service life of the control valve body, and enables the micro switch to sense the water flow more easily after the control valve body is opened, thereby enhancing the effect of preventing dry burning.

The utility model can facilitate the production and assembly of the electric heating faucet by the end covers arranged at the two ends of the shell and the threaded fit of the connecting wire seat and the shell after the end covers are dismantled, in addition, the explosion-proof bracket is formed by at least inserting a pair of explosion-proof sheets between the pair of connecting wire seats and the explosion-proof rings sleeved on the explosion-proof sheets, the explosion-proof safety performance of the electric heating faucet can still be effectively ensured on the premise that the shell does not use high-strength materials and has low cost, and the explosion-proof sheets are inserted with the connecting wire seats and connected with the explosion-proof rings through the fixing screws, so that the electric heating faucet is easy to produce and assemble and has higher economic performance and practical value.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the housing according to the present utility model;

FIG. 3 is a schematic view of an explosion-proof structure of the present utility model;

FIG. 4 is a schematic view of the structure of the explosion-proof ring of the present utility model;

fig. 5 is an enlarged view of the utility model at a in fig. 3.

In the figure: 1. a housing; 2. a water inlet pipe; 3. a control valve body; 4. a water outlet pipe; 5. an end cap; 6. a diversion channel; 7. a controller; 8. a micro-switch; 9. heating pipes; 10. a pad; 11. an explosion-proof structure; 12. a connecting wire seat; 13. explosion-proof sheet; 14. an explosion-proof ring; 15. a driving groove; 16. a bending part; 17. a fixing screw; 18. a slot.

Description of the embodiments

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Examples

Referring to fig. 1 to 5, the present utility model preferably provides the following technical solutions: the utility model provides an prevent electric heating faucet of dry combustion method, including casing 1, be equipped with control valve body 3 in casing 1, control valve body 3 both ends communicate respectively and have inlet tube 2 and outlet pipe 4, concretely, inlet tube 2 and outlet pipe 4 all run through casing 1 lateral wall and stretch out casing 1 outside, one section cover that outlet pipe 4 is located casing 1 is equipped with heating pipe 9, heating pipe 9 is the heliciform suit on the one section that outlet pipe 4 is located casing 1, be used for heating outlet pipe 4 fast, one side that control valve body 3 kept away from inlet tube 2 is provided with the micro-gap switch 8 that the rivers passed through in the induction outlet pipe 4 and the controller 7 that control heating pipe 9 heated, controller 7 and micro-gap switch 8 electric connection, after rivers are through inlet tube 2 and water conservancy diversion passageway 6 entering outlet pipe 4 through control valve body 3, the rivers are passed through in micro-gap switch 8 induction outlet pipe 4, feedback signal reaches micro-gap switch 8, micro-gap switch 8 controls heating pipe 9 starts one section heating pipe 4 and is located casing 1, immediately, the one end that outlet pipe 4 stretches out casing 1 just can flow hot water, utilize micro-gap switch 8 to respond to whether have through outlet pipe 4 and control heating pipe 9 to start towards controller 7, realize preventing the effect of dry combustion method to heating pipe 9.

In this embodiment, the shell 1 is filled with the pad 10 for wrapping the heating pipe 9, and the pad 10 is made of ceramic material, so that the heat insulation and protection effects can be better achieved, and the influence on the surface temperature of the shell 1 in the heating process of the heating pipe 9 is avoided as much as possible. The water inlet pipe 2 is perpendicular with the shutoff direction of the control valve body 3, the flow guide channel 6 communicated with the water inlet pipe 2 is arranged in the control valve body 3, the flow guide channel 6 is of a U-shaped structure, through the structure, after water is input through the water inlet pipe 2, the water is conveyed through the control valve body 3 through the flow guide channel 6 of the U-shaped structure, the direct stamping of the water to the control valve body 3 can be effectively avoided, the potential energy of the water is relieved, the service life of the control valve body 3 is prolonged, and after the control valve body 3 is opened, the micro switch 8 senses the water more easily, and the dry combustion method preventing effect is enhanced.

As a further embodiment, the two ends of the housing 1 are covered with the end caps 5, the end caps 5 are provided with the connecting wire seats 12 which can be inserted into the housing 1 and are in threaded fit with the inner wall of the housing 1, wherein, one surface of the end cap 5 facing the outside of the housing 1 is coaxially provided with the driving groove 15, preferably, the driving groove 15 is a hexagonal groove, when the end caps 5 are screwed through the driving groove 15, the end caps 5 can be assembled at the end portions of the housing 1 or disassembled by utilizing the connecting wire seats 12, and after the end caps 5 are disassembled, the production and assembly of the electric heating faucet can be facilitated.

In this embodiment, be equipped with explosion-proof structure 11 in casing 1, explosion-proof structure 11 includes explosion-proof piece 13 along same length direction setting in casing 1, explosion-proof piece 13 is provided with a pair of at least, and the symmetry sets up, the cover is equipped with explosion-proof ring 14 on the explosion-proof piece 13 of being provided with a pair of at least, explosion-proof structure 11 still includes the slot 18 of seting up at the connecting wire seat 12 terminal surface, explosion-proof piece 13's tip and slot 18 grafting cooperation, wherein slot 18 has seted up the round along connecting wire seat 12 terminal surface, ensure that end cover 5 can normally rotate to open and close, through this structural mode, utilize the explosion-proof piece 13 of at least pegging graft between a pair of connecting wire seat 12, and explosion-proof ring 14 of cover on the explosion-proof piece 13, can form the explosion-proof support, under the prerequisite of casing 1 not using high strength material, low cost, still can effectively ensure this electric heating faucet's explosion-proof security performance, cooperate the thermal insulation protection of pad 10, even though micro-switch 8 breaks down, still can ensure this heating faucet's security.

In this embodiment, at least one explosion-proof ring 14 is provided for limiting the ring of the explosion-proof sheet 13, which is at least provided with a pair of explosion-proof sheets 13, the explosion-proof ring 14 and the explosion-proof sheet 13 are both made of metal materials, the explosion-proof ring 14 is provided with a fixing screw 17 in a penetrating manner, and the fixing screw 17 is in threaded connection with the explosion-proof sheet 13. Specifically, the explosion-proof ring 14 is formed by bending a metal sheet, one end of the metal sheet is provided with a bending part 16, and the other end of the metal sheet is embedded and riveted with the bending part 16, so that the production and the manufacturing are easy.

When the anti-dry heating electric heating faucet is used, the water inlet pipe 2 is connected with a water source and supports and fixes the shell 1, when water flows into the water outlet pipe 4 through the water inlet pipe 2 and the diversion channel 6 and enters the water outlet pipe 4 through the control valve body 3, the micro switch 8 senses the water flow in the water outlet pipe 4, a feedback signal is fed back to the micro switch 8, the micro switch 8 controls the heating pipe 9 to start to heat a section of the water outlet pipe 4 positioned in the shell 1, hot water can flow out from one end of the water outlet pipe 4 extending out of the shell 1 immediately, whether water flows through the water outlet pipe 4 or not is sensed by the micro switch 8, and the heating pipe 9 is controlled to start to heat by feeding back the signal to the controller 7, so that the effect of preventing the heating pipe 9 from dry heating the water outlet pipe 4 can be achieved. Further, the end covers 5 arranged at two ends of the shell 1 are utilized, the end covers 5 are in threaded fit with the shell 1 through the connecting wire seats 12, after the end covers 5 are dismantled, the production and assembly of the electric heating faucet can be facilitated, in addition, at least a pair of explosion-proof sheets 13 and explosion-proof rings 14 sleeved on the explosion-proof sheets 13 are inserted between the pair of connecting wire seats 12 to form an explosion-proof support, under the premise that the shell 1 does not use high-strength materials and is low in cost, the explosion-proof safety performance of the electric heating faucet can still be effectively ensured, and the explosion-proof sheets 13 are inserted with the connecting wire seats 12 and the explosion-proof sheets 13 are connected with the explosion-proof rings 14 through fixing screws 17, so that the electric heating faucet is easy to produce and assemble and has higher economic performance and practical value.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The detachable mounting mode is various, for example, the detachable mounting mode can be matched with the buckle through plugging, for example, the detachable mounting mode can be realized through a bolt connection mode, and the like.

The conception, specific structure, and technical effects produced by the present utility model are clearly and completely described above in connection with the embodiments and the drawings so as to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation.

The foregoing embodiments are provided for further explanation of the present utility model and are not to be construed as limiting the scope of the present utility model, and some insubstantial modifications and variations of the present utility model, which are within the scope of the utility model, will be suggested to those skilled in the art in light of the foregoing teachings.

Claims (6)

1. Prevent electric heating faucet of dry combustion method, including casing (1), be equipped with control valve body (3) in casing (1), control valve body (3) both ends communicate respectively has inlet tube (2) and outlet pipe (4), its characterized in that:

the anti-explosion device is characterized in that end covers (5) are covered at two ends of the shell (1), connecting wire seats (12) which can be inserted into the shell (1) and are in threaded fit with the inner walls of the shell (1) are arranged on the end covers (5), explosion-proof structures (11) are arranged in the shell (1), the explosion-proof structures (11) comprise explosion-proof pieces (13) which are arranged in the shell (1) along the same length direction, the explosion-proof pieces (13) are at least provided with a pair, explosion-proof rings (14) are sleeved on the explosion-proof pieces (13) and at least provided with a pair of explosion-proof rings, the explosion-proof structures (11) further comprise slots (18) formed in the end faces of the connecting wire seats (12), and the ends of the explosion-proof pieces (13) are in plug-in fit with the slots (18).

2. The anti-dry-fire electric heating faucet of claim 1, wherein: the slot (18) is provided with a circle along the end face of the connecting wire seat (12), and one face of the end cover (5) facing the outside of the shell (1) is coaxially provided with a driving groove (15).

3. The anti-dry-fire electric heating faucet of claim 1, wherein: the explosion-proof ring (14) is provided with a fixing screw (17) in a penetrating mode, and the fixing screw (17) is in threaded connection with the explosion-proof piece (13).

4. The anti-dry-fire electric heating faucet of claim 1, wherein: the explosion-proof ring (14) is formed by bending a metal sheet, one end of the metal sheet is provided with a bending part (16), and the other end of the metal sheet is embedded and riveted with the bending part (16).

5. The anti-dry-fire electric heating faucet of claim 1, wherein: the utility model discloses a water inlet pipe, casing (1) is stretched out to casing (1) lateral wall, casing (1) is stretched out to inlet tube (2) and outlet pipe (4), outlet pipe (4) are located one section cover in casing (1) and are equipped with heating pipe (9), one side that inlet tube (2) were kept away from to control valve body (3) is provided with micro-gap switch (8) and control heating pipe (9) heated controller (7) of rivers in the induction outlet pipe (4), controller (7) and micro-gap switch (8) electric connection, pack in casing (1) and have pad (10) of parcel heating pipe (9), pad (10) are ceramic material.

6. The anti-dry-fire electric heating faucet of claim 1, wherein: the water inlet pipe (2) is perpendicular to the intercepting direction of the control valve body (3), a flow guide channel (6) communicated with the water inlet pipe (2) is arranged in the control valve body (3), and the flow guide channel (6) is of a U-shaped structure.