CN217654115U - Electric shock prevention blowdown structure and electric water heater - Google Patents
Electric shock prevention blowdown structure and electric water heater Download PDFInfo
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- CN217654115U CN217654115U CN202123455196.8U CN202123455196U CN217654115U CN 217654115 U CN217654115 U CN 217654115U CN 202123455196 U CN202123455196 U CN 202123455196U CN 217654115 U CN217654115 U CN 217654115U
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Abstract
The utility model provides an anti-electric shock blowdown structure and electric water heater, the anti-electric shock blowdown structure includes: the sewage discharge plug is provided with a first connecting structure, and the first connecting structure is detachably connected with a sewage discharge port of the inner container; and the insulating sleeve is made of insulating materials and is sleeved outside the pollution discharge plug. Through setting up insulating cover, when avoiding electric water heater inner bag electric leakage, take place insulation breakdown between electrified blowdown end cap and the electric water heater shell, improve electric water heater's security performance.
Description
Technical Field
The utility model relates to an electric water heater's technical field, in particular to protection against electric shock blowdown structure and electric water heater.
Background
After the water storage type electric water heater is used for a long time, impurities in water are accumulated in the inner container of the electric water heater, so that the water quality of the water discharged from the electric water heater is influenced, and parts in the inner container of the electric water heater are easily corroded. Therefore, in the prior art, a drain outlet is generally arranged at the bottom of the electric water heater, the drain outlet is usually plugged by a drain plug, and the drain plug is opened when the drain is needed, so that impurities settled at the bottom of the electric water heater are discharged. However, the pollution discharge plug is made of conductive metal and protrudes downwards, so that the distance from the pollution discharge plug to the inner container of the electric water heater is short. When the inner container of the electric water heater leaks electricity, insulation breakdown is easy to occur between the pollution discharge plug and the shell of the electric water heater, so that the shell of the electric water heater is conductive, and the potential safety hazard of electric shock is caused.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing an electric shock prevention blowdown structure and electric water heater, aim at solving current electric water heater blowdown end cap easily and take place the problem of insulation breakdown easily between the electric water heater shell effectively.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides an electric shock prevention blowdown structure, it includes: the sewage discharge plug is provided with a first connecting structure, and the first connecting structure is detachably connected with a sewage discharge port of the inner container;
and the insulating sleeve is made of insulating materials and is sleeved outside the pollution discharge plug.
This use neotype electric shock prevention blowdown structure through establish an insulating cover in blowdown end cap overcoat, when avoiding electric water heater inner bag electric leakage, take place insulation breakdown between electrified blowdown end cap and the electric water heater shell, improve electric water heater's security performance.
In the electric shock prevention pollution discharge structure, the pollution discharge plug comprises a first cylinder, a first bottom and a matching part, the first bottom is arranged at the lower end of the first cylinder, and the first connecting structure is arranged on the inner wall of the first cylinder;
the matching part is arranged below the first bottom and used for being matched with an external tool to disassemble and assemble the pollution discharge plug. The matching part is arranged to facilitate maintenance personnel to disassemble the pollution discharge plug for pollution discharge.
Further, the blowdown end cap still includes the magnesium stick installation department, the magnesium stick installation department set up in the first barrel and with first bottom fixed connection. The magnesium rod is arranged to prevent the inner container of the electric water heater from being corroded.
Further, the insulating sleeve comprises a second cylinder and a second bottom arranged at one end of the cylinder;
the inner wall of the second barrel is provided with a plurality of protruding parts, and the protruding parts are used for clamping the pollution discharge plug.
Further, the boss has an upper end surface and a lower end surface; the included angle between the upper end face and the inner wall is an obtuse angle, and the included angle between the lower end face and the inner wall is a right angle. When the insulation sleeve is installed, the pollution discharge plug slides into the insulation sleeve along the upper end face of the protruding portion, and after the pollution discharge plug is in place, the lower end face of the protruding portion abuts against the upper end face of the pollution discharge plug, so that the insulation sleeve is prevented from falling.
Furthermore, the bottom surface of the insulating sleeve is provided with a through hole, and the through hole is over against the matching part of the pollution discharge plug. The matching part of the pollution discharge plug is exposed out of the through hole, maintenance personnel can use tools to act on the matching part to disassemble and assemble the pollution discharge plug without disassembling the insulating sleeve, and the working efficiency is improved.
Furthermore, the electric shock prevention sewage discharging structure further comprises a sealing washer, and the sealing washer is arranged between the sewage discharging port and the sewage discharging plug. The sealing washer effectively prevents water in the electric water heater from seeping out through the pollution discharge plug.
The utility model also provides an electric water heater, it includes foretell electric shock prevention blowdown structure. The electric water heater also comprises an inner container and a shell, wherein the inner container is provided with a sewage draining outlet, the shell is provided with a sewage draining hole, and the sewage draining hole is opposite to the electric shock preventing sewage draining structure.
For a better understanding and practice, the present invention is described in detail in the following figures in conjunction with the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is an exploded view of the electric shock prevention pollution discharge structure of the present invention;
fig. 2 is a sectional view of the electric water heater of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is a schematic structural view of the insulating sleeve of the present invention;
fig. 5 is an enlarged view at B in fig. 4.
Description of reference numerals:
1. the anti-electric-shock pollution discharge structure comprises an electric-shock-prevention pollution discharge structure body 2, an inner container 3, a shell 11, a pollution discharge plug 12, an insulating sleeve 13, a magnesium rod 14, a sealing washer 111, a first barrel 112, a first bottom 113, a matching portion 114, a magnesium rod installation portion 121, a second barrel 122, a second bottom 123, a protruding portion 1231, an upper end face 1232 and a lower end face.
Detailed Description
In order to better illustrate the present invention, the following detailed description of the present invention is made with reference to the accompanying drawings.
Particularly, as shown in fig. 1, the utility model discloses an electric shock prevention blowdown structure 1, it includes: the sewage discharge plug 11 is provided with a first connecting structure, and the first connecting structure is detachably connected with a sewage discharge port of the inner container 2;
and the insulating sleeve 12 is made of insulating materials and is sleeved outside the pollution discharge plug 11. The insulating sleeve 12 may be made of rubber, plastic, insulating ceramic, etc.
Specifically, as shown in fig. 2, the electric water heater includes an inner container 2 and an outer casing 3, and the electric shock preventing and pollution discharging structure 1 is connected to the inner container 2 of the electric water heater. Be provided with the drain on the inner bag 2, in this embodiment, first connection structure is the internal thread, its with the drain spiro union. The shell 3 is provided with a sewage discharge hole, the sewage discharge hole is opposite to the electric shock prevention sewage discharge structure 1, a maintenance worker can disassemble and assemble the electric shock prevention sewage discharge structure 1 from the sewage discharge hole, and a protective cover covers the sewage discharge hole in daily use.
Because the whole body of the pollution discharge plug 11 protrudes out of the inner container 2 and the pollution discharge port has a certain length, the distance between the pollution discharge plug 11 and the shell 3 of the electric water heater is very short. And because the outer casing 3 of the electric water heater is metal, when the inner container 2 has electric leakage to cause overlarge voltage, the pollution discharge plug 11 connected with the inner container 2 is easy to have insulation breakdown with the outer casing 3, so that the outer casing 3 is electrified to cause electric shock potential safety hazard.
According to the novel electric shock prevention pollution discharge structure 1, the insulating sleeve 12 is sleeved outside the pollution discharge plug 11, so that when the electric leakage of the inner container 2 of the electric water heater is avoided, the insulating breakdown between the charged pollution discharge plug 11 and the outer shell 3 of the electric water heater occurs, and the safety performance of the electric water heater is improved.
Specifically, as shown in fig. 3, the drain plug 11 includes a first cylinder 111, a first bottom 112 and a matching portion 113, the first bottom 112 is disposed at the lower end of the first cylinder 111, and the first connecting structure is disposed on the inner wall of the first cylinder 111; the fitting portion 113 is disposed below the first bottom 112, and is used for fitting with an external tool to disassemble and assemble the drain plug 11.
The matching part 113 is arranged to facilitate the maintenance personnel to disassemble the pollution discharge plug 11 for pollution discharge. The external tool may be a wrench, a screwdriver, or the like, which can be engaged with the engaging portion 113 and rotate the drain plug 11 by an external force.
The blowdown end cap 11 further includes a magnesium rod mounting portion 114, the magnesium rod mounting portion 114 is arranged in the first barrel 111 and fixedly connected with the first bottom 112. The magnesium rod 13 is arranged to prevent the inner container 2 of the electric water heater from being corroded, and the magnesium rod 13 can be replaced when a maintenance worker dismantles the pollution discharge plug 11.
As shown in fig. 4, the insulating sheath 12 includes a second cylinder 12 and a second bottom 122 disposed at one end of the cylinder; the inner wall of the second cylinder 12 is provided with a plurality of protrusions 123, and the protrusions 123 are used for clamping the pollution discharge plug 11.
Specifically, as shown in fig. 5, the boss 123 has an upper end surface 1231 and a lower end surface 1232; the included angle between the upper end face 1231 and the inner wall is an obtuse angle, and the included angle between the lower end face 1232 and the inner wall is a right angle. The insulating sleeve 12 is preferably made of plastic, which has certain deformation properties. When the insulating sleeve 12 is installed, the pollution discharge plug 11 slides into the insulating sleeve 12 along the upper end surface 1231 of the protrusion 123, and after the pollution discharge plug is in place, the lower end surface 1232 of the protrusion 123 abuts against the upper end surface 1231 of the pollution discharge plug 11, so that the insulating sleeve 12 is prevented from falling.
As shown in fig. 4, the bottom surface of the insulating sleeve 12 has a through hole, and the through hole faces the matching portion 113 of the waste plug 11. The matching part 113 of the pollution discharge plug 11 is exposed out of the through hole, so that maintenance personnel can use tools to act on the matching part 113 to disassemble and assemble the pollution discharge plug 11 without disassembling the insulating sleeve 12, and the working efficiency is improved. Although the engaging portion 113 is exposed from the insulating sleeve 12, the engaging portion 113 is much smaller than the first bottom 112 of the waste disposal plug 11 and is located at a center of the engaging portion 113, i.e., a center of the waste disposal hole in the housing 3, so that the engaging portion 113 is far away from the housing 3, and is not prone to insulation breakdown, and the engaging portion 113 can be exposed from the insulating sleeve 12, which is convenient for a maintenance worker to operate.
The electric shock prevention sewage discharging structure 1 further comprises a sealing washer 14, and the sealing washer 14 is arranged between the sewage discharging port and the sewage discharging plug 11. The sealing washer 14 effectively prevents water in the electric water heater from seeping through the drain plug 11.
In the description of the present invention, it should be understood that the terms "vertical", "horizontal", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must include a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning unless otherwise stated.
The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.
Claims (8)
1. An electric shock preventing sewage discharge structure, comprising:
the sewage discharge plug is provided with a first connecting structure, and the first connecting structure is detachably connected with a sewage discharge port of the inner container;
and the insulating sleeve is made of insulating materials and is sleeved outside the pollution discharge plug.
2. The electric shock preventing sewage disposal structure as set forth in claim 1, wherein:
the pollution discharge plug comprises a first barrel, a first bottom and a matching part, wherein the first bottom is arranged at the lower end of the first barrel, and the first connecting structure is arranged on the inner wall of the first barrel;
the matching part is arranged below the first bottom and is used for matching with an external tool to disassemble and assemble the pollution discharge plug.
3. The electric shock preventing sewage disposal structure as set forth in claim 2, wherein:
the blowdown end cap still includes the magnesium stick installation department, the magnesium stick installation department set up in the first barrel and with first bottom fixed connection.
4. The electric shock preventing sewage disposal structure as set forth in claim 1, wherein:
the insulating sleeve comprises a second cylinder and a second bottom arranged at one end of the cylinder;
the inner wall of the second barrel is provided with a plurality of protruding parts, and the protruding parts are used for clamping the pollution discharge plug.
5. The electric shock preventing sewage disposal structure as set forth in claim 4, wherein:
the boss has an upper end face and a lower end face; the included angle between the upper end face and the inner wall is an obtuse angle, and the included angle between the lower end face and the inner wall is a right angle.
6. The electric shock preventing sewage disposal structure as set forth in claim 2, wherein:
the bottom surface of the insulating sleeve is provided with a through hole, and the through hole is over against the matching part of the pollution discharge plug.
7. The electric shock preventing sewage disposal structure as set forth in claim 1, wherein:
the electric shock prevention sewage discharging structure further comprises a sealing washer, and the sealing washer is arranged between the sewage discharging port and the sewage discharging plug.
8. An electric water heater comprising the electric shock preventing and pollution discharging structure of any one of claims 1 to 7;
the electric water heater also comprises an inner container and a shell, wherein the inner container is provided with a sewage draining outlet, the shell is provided with a sewage draining hole, and the sewage draining hole is opposite to the electric shock preventing sewage draining structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123455196.8U CN217654115U (en) | 2021-12-31 | 2021-12-31 | Electric shock prevention blowdown structure and electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123455196.8U CN217654115U (en) | 2021-12-31 | 2021-12-31 | Electric shock prevention blowdown structure and electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217654115U true CN217654115U (en) | 2022-10-25 |
Family
ID=83660271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123455196.8U Active CN217654115U (en) | 2021-12-31 | 2021-12-31 | Electric shock prevention blowdown structure and electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217654115U (en) |
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2021
- 2021-12-31 CN CN202123455196.8U patent/CN217654115U/en active Active
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