CN212673496U - Gas water heater - Google Patents
Gas water heater Download PDFInfo
- Publication number
- CN212673496U CN212673496U CN202020945160.4U CN202020945160U CN212673496U CN 212673496 U CN212673496 U CN 212673496U CN 202020945160 U CN202020945160 U CN 202020945160U CN 212673496 U CN212673496 U CN 212673496U
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- air inlet
- water heater
- metal casing
- gas water
- valve
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Abstract
The utility model belongs to the technical field of the water heater, a gas water heater is disclosed, including metal casing, be located the admission valve of metal casing one side, and be located the air inlet joint of metal casing opposite side, air inlet joint passes metal casing connect in the admission valve, just metal casing the admission valve all with air inlet joint is insulating. The utility model discloses a metal casing and admission valve all set up with the air inlet joint is insulating, can block the passageway that air inlet joint connects's gas pipe and earth connection formed, just also avoid just also causing gas heater's damage because of the earth connection is unusual electrified, have improved gas heater's security performance.
Description
Technical Field
The utility model relates to a water heater technical field especially relates to a gas heater.
Background
As a part for providing hot water in household life, a gas water heater is generally required to have sufficient safety performance, that is, the whole gas water heater must be reliably grounded. The gas pipeline of current gas heater and gas valve are usually through metal joint lug connection between, and the gas valve of water heater is also metal parts, and this part is equipotential with the power cord earth connection and switches on, and then when the earth connection of user's house is unusual electrified, the earth connection passes through to form low resistance between gas valve and the gas pipeline and is connected, there is very big electric current through water heater power cord earth connection and gas pipeline this moment, huge electric current can lead to metal conductor serious heating, the result is exactly that the power cord directly burns out, can ignite inside pencil and the plastic part of water heater even, seriously harm consumer's personal property safety.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas water heater can be with insulating isolation between air inlet joint and admission valve and the metal casing, and then block the route that earth connection and gas pipe formed, just also avoid just also causing gas water heater's damage because of the earth connection is unusual electrified, has improved gas water heater's security performance.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a gas water heater, includes metal casing, is located the admission valve of metal casing one side, and is located the air inlet joint of metal casing opposite side, the air inlet joint passes metal casing connect in the admission valve, just metal casing the admission valve all with the air inlet joint is insulating.
Preferably, an insulating plate is provided between the metal housing and the air inlet joint and between the air inlet valve and the air inlet joint.
Preferably, a seal ring is provided between the insulating plate and the intake valve.
Preferably, the insulating plate is step-shaped and comprises a first step and a second step, the metal shell is arranged on the first step, and the sealing ring is arranged between the second step and the air inlet valve.
Preferably, the air inlet valve, the metal shell and the air inlet joint are fixedly connected through an insulating screw.
Preferably, an insulating gasket is arranged between the nut of the insulating screw and the air inlet joint.
Preferably, the insulating plate is injection molded from a plastic material.
Preferably, the insulating plate circumferentially wraps the air inlet joint.
Preferably, an alarm device is arranged between the air inlet joint and the metal shell, and the alarm device is configured to give an alarm indication when the metal shell is electrified;
and/or an alarm device is arranged between the air inlet joint and the air inlet valve, and the alarm device is configured to give an alarm indication when the air inlet valve is electrified.
Preferably, the device further comprises a control device, wherein the control device is connected to the alarm device and is used for controlling the alarm device to give an alarm instruction.
The utility model has the advantages that:
through metal casing and admission valve all with the insulating setting of air inlet joint, can block the passageway that the gas pipe and the earth connection that air inlet joint connects formed, just also avoid causing gas heater's damage because of the earth connection is unusual electrified, improved gas heater's security performance.
Through setting up alarm device, it can in time detect whether ground connection or gas pipe are electrified and in time report to the police, has further improved gas heater's security performance.
Drawings
Fig. 1 is a schematic view of an assembly structure of an air inlet joint, a metal shell and an air inlet valve of a gas water heater provided by the present invention;
fig. 2 is a sectional view of fig. 1 taken along line B-B.
In the figure:
1. a metal housing; 2. an intake valve; 3. an air inlet joint; 4. an insulating plate; 41. a first step; 42. a second step; 5. a seal ring; 6. an insulating screw; 7. and an insulating gasket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The utility model provides a gas water heater, its route that can block earth connection and gas pipe and form just also avoids causing gas water heater's damage because of the earth connection is unusual electrified, has improved gas water heater's security performance. Specifically, as shown in fig. 1 and 2, the gas water heater includes a metal shell 1, an air inlet valve 2 and an air inlet connector 3, the air inlet valve 2 is conducted with a power line ground wire of the gas water heater, a gas pipe is communicated with the air inlet valve 2 through the air inlet connector 3, the air inlet valve 2 and the air inlet connector 3 are respectively disposed on two sides of the metal shell 1, the air inlet connector 3 penetrates through the metal shell 1 to be connected to the air inlet valve 2, and the metal shell 1 and the air inlet valve 2 are both insulated from the air inlet connector 3.
In this embodiment, the metal casing 1 is provided with a through hole, and the air inlet joint 3 is hermetically connected to the air inlet valve 2 after passing through the through hole. The metal shell 1, the air inlet valve 2 and the air inlet connector 3 are insulated by an insulating plate 4. Specifically, as shown in fig. 2, the inlet connector 3 is located inside an insulating plate 4 and is surrounded by the insulating plate 4, and the metal shell 1 and the inlet valve 2 are located outside the insulating plate 4 and are insulated by the insulating plate 4. The insulating plate 4 may be stepped, and the insulating plate 4 includes a first step 41 and a second step 42, and the inlet connector 3 is correspondingly provided with a step structure and can cooperate with the first step 41 and the second step 42 of the insulating plate 4 to support the insulating plate 4. The metal shell 1 is placed on the first step 41, and the metal shell 1 is insulated and isolated from the air inlet joint 3 by the first step 41. The air inlet valve 2 is disposed on the metal shell 1, and the inner wall of the air inlet valve 2 is separated from the outer wall of the air inlet joint 3 by a second step 42 (including a horizontal portion and a vertical portion) of the insulating plate 4. Through this insulation board 4, can realize metal casing 1, admission valve 2 all with air inlet connector 3's insulation, and then just also realized insulating between earth connection and the gas pipe, avoid causing gas heater's damage because of the earth connection is unusual electrified, improved gas heater's security performance.
Preferably, the insulating plate 4 may be formed by injection molding of a plastic material, which is low in cost and can effectively realize insulation.
In this embodiment, a seal ring 5 is provided between the insulating plate 4 and the intake valve 2, and the seal ring 5 is positioned between the inner wall of the intake valve 2 and the second step 42 of the insulating plate 4 to seal the joint between the intake joint 3 and the intake valve 2.
In this embodiment, as shown in fig. 2, the intake valve 2, the metal casing 1, and the intake connector 3 are fixedly connected to each other by an insulating screw 6. Specifically, the insulating screw 6 may be threaded with the intake valve 2 after sequentially passing through the intake connector 3, the insulating plate 4, and the metal housing 1. In this embodiment, an insulating gasket 7 may be preferably disposed between the nut of the insulating screw 6 and the intake connector 3, so as to further ensure insulation between the intake connector 3 and the metal shell 1 and the intake valve 2.
In this embodiment, an alarm device may be further disposed between the air inlet joint 3 and the metal casing 1, and the alarm device is configured to give an alarm indication when the metal casing 1 is electrified, specifically, the alarm device is connected to a control device of the gas water heater, and the control device gives an alarm when detecting that the metal casing 1 is electrified. Specifically, the alarm device can be a neon bulb indicator lamp connected between the air inlet connector 3 and the metal shell 1, and when the grounding wire or the gas pipe is electrified, the neon bulb indicator lamp can be lightened due to the existence of potential difference, so that the alarm purpose is achieved. It is understood that the alarm device is not limited to the structure of neon bulb indicator lamp, but can also be a buzzer alarm.
It will be appreciated that the present embodiment may also be provided with an alarm device only between the inlet connection 3 and the inlet valve 2, the alarm device being configured to give an alarm indication when the inlet valve 2 is charged. The structure and principle of the alarm device are the same as those of the alarm device arranged between the air inlet connector 3 and the metal shell 1, and the detailed description is omitted. The present embodiment may also provide the above-mentioned alarm device between the intake connector 3 and the metal casing 1 or between the intake connector 3 and the intake valve 2.
Preferably, the device further comprises a control device, wherein the control device is connected to the alarm device and is used for controlling the alarm device to give an alarm instruction.
The utility model provides an above-mentioned gas water heater, it is through all insulating the setting with air inlet joint 3 through metal casing 1 and admission valve 2, can block the gas pipe that air inlet joint 3 connects and the route that the earth connection formed, just also avoid just also causing gas water heater's damage because of the earth connection is unusual electrified, has improved gas water heater's security performance. And through setting up alarm device, it can in time detect whether ground connection or gas pipe are electrified and in time report to the police, has further improved gas heater's security performance.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a gas heater, its characterized in that includes metal casing (1), is located admission valve (2) of metal casing (1) one side, and is located admission joint (3) of metal casing (1) opposite side, admission joint (3) pass metal casing (1) connect in admission valve (2), just metal casing (1) admission valve (2) all with admission joint (3) are insulating.
2. Gas water heater according to claim 1, characterized in that insulating plates (4) are provided between the metal casing (1) and the air inlet joint (3), between the air inlet valve (2) and the air inlet joint (3).
3. Gas water heater according to claim 2, characterized in that a sealing ring (5) is provided between the insulating plate (4) and the air intake valve (2).
4. Gas water heater according to claim 3, characterized in that the insulating plate (4) is stepped and in that the insulating plate (4) comprises a first step (41) and a second step (42), the metal casing (1) being placed on the first step (41) and the sealing ring (5) being placed between the second step (42) and the air intake valve (2).
5. The gas water heater according to any one of claims 1-4, characterized in that the air inlet valve (2), the metal shell (1) and the air inlet joint (3) are fixedly connected by an insulating screw (6).
6. Gas water heater according to claim 5, characterized in that an insulating gasket (7) is provided between the cap of the insulating screw (6) and the air inlet connector (3).
7. Gas water heater according to claim 2, characterized in that the insulating plate (4) is injection-molded in plastic material.
8. Gas water heater according to claim 2, characterized in that said insulating plate (4) circumferentially surrounds said air intake joint (3).
9. The gas water heater according to any one of claims 1-4, 6-8, characterized in that an alarm device is provided between the air inlet connector (3) and the metal casing (1), the alarm device being configured to give an alarm indication when the metal casing (1) is charged;
and/or an alarm device is arranged between the air inlet joint (3) and the air inlet valve (2), and the alarm device is configured to give an alarm indication when the air inlet valve (2) is electrified.
10. The gas water heater of claim 9, further comprising a control device connected to the alarm device for controlling the alarm device to issue an alarm indication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020945160.4U CN212673496U (en) | 2020-05-29 | 2020-05-29 | Gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020945160.4U CN212673496U (en) | 2020-05-29 | 2020-05-29 | Gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212673496U true CN212673496U (en) | 2021-03-09 |
Family
ID=74813402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020945160.4U Active CN212673496U (en) | 2020-05-29 | 2020-05-29 | Gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212673496U (en) |
-
2020
- 2020-05-29 CN CN202020945160.4U patent/CN212673496U/en active Active
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