CN209926579U - Mute water heater - Google Patents
Mute water heater Download PDFInfo
- Publication number
- CN209926579U CN209926579U CN201920392027.8U CN201920392027U CN209926579U CN 209926579 U CN209926579 U CN 209926579U CN 201920392027 U CN201920392027 U CN 201920392027U CN 209926579 U CN209926579 U CN 209926579U
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- China
- Prior art keywords
- smoke
- heat exchanger
- communicated
- pipe
- semicircular metal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000000779 smoke Substances 0.000 claims abstract description 90
- 239000002184 metal Substances 0.000 claims abstract description 68
- 238000003466 welding Methods 0.000 claims abstract description 60
- 238000007664 blowing Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 25
- 239000003517 fume Substances 0.000 claims description 15
- 229920000742 Cotton Polymers 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 230000001174 ascending effect Effects 0.000 abstract 1
- 239000011888 foil Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
Abstract
A silent water heater comprising: the device comprises a shell, a combustor, a heat exchanger, a fan, an exhaust pipe device and a smoke exhaust head; the combustor is fixed in the shell; the heat exchanger is arranged in the shell and is positioned at the upper end of the combustor; the fan is arranged at the upper end of the heat exchanger and communicated with the heat exchanger; one end of the exhaust pipe device is communicated with the output end of the fan, and the other end of the exhaust pipe device is communicated with the smoke exhaust head; the smoke exhaust head is communicated to the outside of the machine shell; the upper end of the smoke pipe is communicated with the smoke exhaust head, and the lower end of the smoke pipe is communicated with the output end of the fan; the welding platform is fixed in the smoke pipe, and the rotating piece is horizontally fixed on the welding platform; the rotating piece is provided with a rotatable rotating page; the two semicircular metal sheets are respectively and rotatably connected with the rotating page, so that the semicircular metal sheets can rotate upwards in the smoke tube; the fan is used for blowing up the semicircular metal sheet and blowing out the smoke of the heat exchanger from the smoke exhaust head. This design enables to reduce the ascending resistance of gas flow direction, can reach effective exhaust gas to the effect of ability noise abatement.
Description
Technical Field
The utility model relates to a water heater technical field especially relates to a silence water heater.
Background
The connection position layout of the burner, the heat exchanger and the fan of the existing water heater is not good, so that the exhaust line of the smoke is complex, the exhaust path of the smoke needs to be exhausted in a winding way, and the exhaust of the smoke is noisy.
The heat exchanger is easy to be damaged when being subjected to cold and hot alternation for a long time; in winter in northern areas, the outside air temperature is low, the temperature of the heat exchanger is easy to be high, and therefore, outside cold air can blow into the gas water heater to freeze the heat exchanger, which is not beneficial to the service life of the water heater.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a silence water heater, this water heater combines combustor, heat exchanger, fan and blast pipe device's position.
To achieve the purpose, the utility model adopts the following technical proposal:
a silent water heater comprising: the device comprises a shell, a combustor, a heat exchanger, a fan, an exhaust pipe device and a smoke exhaust head;
the combustor is fixed in the shell; the heat exchanger is arranged in the shell and is positioned at the upper end of the combustor; the fan is arranged at the upper end of the heat exchanger and communicated with the heat exchanger; one end of the exhaust pipe device is communicated with the output end of the fan, and the other end of the exhaust pipe device is communicated with the smoke exhaust head; the smoke exhaust head is communicated with the outside of the shell;
the shell is provided with an air inlet joint, a water inlet joint and a water outlet joint; the gas inlet joint is communicated with the combustor through a pipeline and is used for introducing combustible gas into the combustor; the water inlet joint is communicated with the heat exchanger through a pipeline and is used for introducing cold water into the heat exchanger for heating; the water outlet joint is communicated with the heat exchanger through a pipeline and used for discharging hot water heated by the heat exchanger;
the exhaust pipe device includes: the welding device comprises a smoke pipe, a welding platform, a rotating part and a semicircular metal sheet;
the upper end of the smoke tube is communicated with the smoke discharge head, and the lower end of the smoke tube is communicated with the output end of the fan; the welding platform is fixed in the smoke tube, and the rotating piece is horizontally fixed on the welding platform; the rotating piece is provided with a rotatable rotating page; the two semicircular metal sheets are respectively and rotatably connected with the rotating page, so that the semicircular metal sheets can be rotated upwards in the smoke pipe;
under the non-rotation state of the semicircular metal sheet, the outermost side of the semicircular metal sheet is in contact with the inner wall of the smoke pipe or the welding platform, so that the smoke pipe is divided into two independent cavities; the fan is used for blowing up the semicircular metal sheets and blowing out smoke of the heat exchanger from the smoke discharge head.
Further, the method further comprises the following steps: a smoke collecting hood;
the bottom of the fume collecting hood is fixed above the heat exchanger and communicated with an exhaust port of the heat exchanger, and the top of the fume collecting hood is communicated with the fan;
the bottom area of the fume collecting hood is larger than the top area.
Further, the method further comprises the following steps: sealing cotton;
the seal cotton is arranged between the fume collecting hood and the heat exchanger.
Further, the method further comprises the following steps: a direct current water pump;
the direct-current water pump is arranged on a connecting pipeline of the water inlet joint and the heat exchanger.
Stated further, the welding platform is provided with a welding platform comprising: welding a round pipe and a U-shaped groove;
the welding circular pipe is fixed in the smoke pipe, and the outer wall of the welding circular pipe is attached to the inner wall of the smoke pipe; the U-shaped groove is fixed on the welding circular tube and is positioned at the central axis of the welding circular tube; the rotating piece is detachably fixed in the U-shaped groove.
Furthermore, two ends of the upper end surface of the U-shaped groove are provided with horizontal end surfaces;
the welding circular tube is provided with an annular horizontal ring end face;
and under the non-rotating state of the semicircular metal sheet, the inner end and the outer end of the semicircular metal sheet are respectively contacted with the horizontal end surface and the ring end surface, so that the semicircular metal sheet is in a horizontal state.
Furthermore, the upper end face of the semicircular metal sheet is provided with an inner groove.
Furthermore, the rotation angle of the semicircular metal sheet is 0-85 degrees.
Furthermore, the semicircular metal sheet is made of plastic or metal.
In a further aspect, the smoke tube is formed by combining a vertical tube and an elbow tube; the welding platform is fixed at the position of the vertical pipe;
the vertical pipe is communicated with the smoke discharge head, and the bent pipe is communicated with the output end of the fan.
The smoke tube is provided with a fixed platform at the connecting position of the vertical tube and the bent tube;
the welding platform is fixed on the fixed table.
The utility model has the advantages that:
the fan of this design can be constantly with the air current discharge, and make the inside of combustor and heat exchanger be in the negative pressure, and under the negative pressure environment, gas can flow along the blowing direction of fan, reduces the resistance in this direction, can reach effective exhaust gas to the effect of noise abatement.
Drawings
FIG. 1 is a schematic structural view of a silent water heater;
FIG. 2 is a schematic view of the structure of the exhaust pipe device;
FIG. 3 is a cross-sectional view of an exhaust pipe assembly;
FIG. 4 shows the two parts of the semi-circular metal sheet separated from each other in the smoke tube;
FIG. 5 is a schematic view of the welding platform, rotary member and semi-circular foil configuration;
FIG. 6 is a schematic view of the rotary member and semi-circular foil configuration;
FIG. 7 is a schematic structural view of a welding platform;
wherein:
the smoke tube comprises a smoke tube 1, a welding platform 2, a rotating part 3 and a semicircular metal sheet 4; the rotary sheet 31;
welding a round pipe 21 and a U-shaped groove 22; an annular end face 211; a horizontal end surface 221; an inner groove 41; a positioning groove 11; a vertical pipe 12, a bent pipe 13 and a fixed platform 14;
the device comprises a shell 01, a combustor 02, a heat exchanger 03, a fan 04, an exhaust pipe device 05, a smoke exhaust head 06, a smoke collecting hood 07, sealing cotton 08, a direct-current water pump 09 and a central system 10;
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
A silent water heater comprising: a casing 01, a burner 02, a heat exchanger 03, a fan 04, an exhaust pipe device 05 and a smoke exhaust head 06;
the burner 02 is fixed in the casing 01; the heat exchanger 03 is arranged in the casing 01 and is positioned at the upper end of the burner 02; the fan 04 is arranged at the upper end of the heat exchanger 03 and communicated with the heat exchanger 03; one end of the exhaust pipe device 05 is communicated with the output end of the fan 04, and the other end of the exhaust pipe device is communicated with the smoke discharge head 06; the smoke exhaust head 06 is opened to the outside of the casing 01;
the shell 01 is provided with an air inlet connector 011, a water inlet connector 012 and a water outlet connector 013; the air inlet joint 011 is communicated with the combustor 02 through a pipeline and is used for introducing combustible gas into the combustor 02; the water inlet joint 012 is communicated with the heat exchanger 03 through a pipeline and is used for introducing cold water into the heat exchanger 03 for heating; the water outlet joint 013 is communicated with the heat exchanger 03 through a pipeline and used for discharging hot water heated by the heat exchanger 03;
the exhaust pipe device 05 includes: the smoke tube comprises a smoke tube 1, a welding platform 2, a rotating part 3 and a semicircular metal sheet 4;
the upper end of the smoke tube 1 is communicated with the smoke discharge head 06, and the lower end thereof is communicated with the output end of the fan 04; the welding platform 2 is fixed in the smoke tube 1, and the rotating part 3 is horizontally fixed on the welding platform 2; the rotating piece 3 is provided with a rotatable rotating blade 31; the two semicircular metal sheets 4 are respectively and rotatably connected to the rotating page 31, so that the semicircular metal sheets 4 can be rotated upwards in the smoke tube 1;
in a non-rotating state of the semicircular metal sheet 4, the outermost side of the semicircular metal sheet 4 is in contact with the inner wall of the smoke tube 1 or the welding platform 2, so that the smoke tube 1 is separated into two independent cavities; the fan 04 is used for blowing up the semicircular metal sheet 4 and blowing out the smoke of the heat exchanger 03 from the smoke discharge head 06.
To explain further, the burner 02 used in the present design will burn the introduced combustible gas, thereby heating the cold water in the heat exchanger 03 and generating, for example, carbon dioxide and water vapor; this portion of the gas will rise from the burner 02 to the heat exchanger 03 (as shown by the arrow in fig. 1); the air is blown by a fan 04 with a direct current motor and is conveyed to an exhaust pipe device 05 and discharged out of a cigarette end 06. Because the fan 04 can continuously discharge airflow, the inner parts of the combustor 02 and the heat exchanger 03 are in negative pressure, and gas can flow along the blowing direction of the fan under the negative pressure environment, so that the resistance in the direction is reduced, the effect of effectively discharging the gas and reducing noise can be achieved.
To explain further, the smoke tube 1 of the present design has a semicircular metal sheet 4, which can receive the pushing force (such as gas) to it from below, when the pushing force is larger than the self-strategy, the pushing force will lift the semicircular metal sheet 4 and rotate under the action of the shaft center of the rotating member 3, so that the semicircular metal sheet 4 rotates upwards to connect the two independent cavities. When the pushing force below the lower part stops, the semicircular metal sheet 4 can reset under the action of gravity until the semicircular metal sheet contacts the inner wall of the smoke tube 1 or the welding platform 2; thereby realizing rotation, air discharge and ventilation when upward thrust is applied; when no thrust force exists, the smoke tube 1 is separated into an area shown as a graph A and an area B, the interior of the smoke tube 1 is protected, and the air leakage phenomenon that outside gas or impurities enter the interior of the smoke tube 1 is prevented; achieving the effect of blocking.
When the combustor 02, the heat exchanger 03, the fan 04 and the exhaust pipe device 05 are combined for use, the gas can be rapidly and silently exhausted, the phenomenon of air leakage can be prevented, and the water heater is protected.
Further, the method further comprises the following steps: a smoke collecting hood 07;
the bottom of the fume collecting hood 07 is fixed above the heat exchanger 03 and communicated with an exhaust port of the heat exchanger 03, and the top of the fume collecting hood 07 is communicated with the fan 04;
the bottom area of the fume collecting hood 07 is larger than the top area.
The exhaust fume collecting hood 07 can collect the gas together, namely the area of the bottom of the exhaust fume collecting hood 07 is designed to be larger than that of the top of the exhaust fume collecting hood 07, so that the gas can be stably collected at the top of the exhaust fume collecting hood 07, the fan 04 is started to blow the gas to the smoke pipe 1 and the gas is discharged from the smoke discharging head 06, the caliber of the pipe diameter is reduced, the flow rate is high, and the gas discharging rate is improved.
Further, the method further comprises the following steps: seal cotton 08;
the seal cotton 08 is disposed between the smoke collecting cover 07 and the heat exchanger 03.
The sealing cotton 08 is used for sealing the position between the smoke collecting hood 07 and the heat exchanger 03 and preventing gas from leaking outside.
Further, the method further comprises the following steps: a direct current water pump 09;
the dc water pump 09 is disposed on the connection pipeline between the water inlet connector 012 and the heat exchanger 03.
The direct-current water pump 09 is used for directly pumping cold water to the heat exchanger 03; the volume of the cold water pumped can be calculated according to the control of the central system 10, so as to achieve the effect of controlling the injection volume of the cold water.
Stated further, the welding platform 2 is provided with a welding platform including: welding a round pipe 21 and a U-shaped groove 22;
the welding round pipe 21 is fixed in the smoke pipe 1, and the outer wall of the welding round pipe 21 is attached to the inner wall of the smoke pipe 1; the U-shaped groove 22 is fixed on the welding circular tube 21 and is positioned at the central axis of the welding circular tube 21; the rotating piece 3 is detachably fixed in the U-shaped groove 22.
To be more specific, the U-shaped groove 22 passes through the center (the position where the diameter passes through) of the circular welding circular tube 21; the semicircular metal sheet 4 installed in the U-shaped groove 22 rotates around the diameter of the welding circular tube 21, the swing amplitude of the semicircular metal sheet 4 is the largest, the range covering the welding circular tube 21 or the smoke tube 1 is the largest, and the isolation effect is the best.
Meanwhile, the rotating piece 3 is independently fixed in the U-shaped groove 22, so that the position of the rotating piece 3 can be fixed and the rotating piece cannot be loosened under the action of pressure in the groove; if the U-shaped groove 22 is not provided, when the gas passes through, the semicircular metal sheet 4 cannot be lifted or the lifting degree is low due to the easy loosening of the rotating member 3 and the dispersion of the lifting energy, which is not beneficial to the ventilation of the exhaust.
The outer side of the smoke tube 1 is provided with a positioning groove 11.
Constant head tank 11 is used for fixing this design at the water heater, improves the fixable nature of erection of this design.
Furthermore, two ends of the upper end surface of the U-shaped groove 22 are provided with horizontal end surfaces 221;
the welding circular tube 21 is provided with an annular horizontal ring end surface 211;
when the semicircular metal sheet 4 is in a non-rotating state, the inner end and the outer end of the semicircular metal sheet 4 are respectively contacted with the horizontal end surface 221 and the ring end surface 211, so that the semicircular metal sheet 4 is in a horizontal state.
To explain further, the semicircular metal sheet 4 is in a horizontal position, and the center of gravity is stable; and when the semicircular metal sheet 4 is in the horizontal position, only the gravity and the supporting force of the welding circular tube 21 to the semicircular metal sheet are equal and opposite in direction, and can be counteracted without the influence of the force of other influencing factors, when the semicircular metal sheet is subjected to the upward thrust of gas, the semicircular metal sheet can be rotated in time, the gas is discharged, and the effect of improving the rotating efficiency is achieved.
To explain further, the upper end face of the semicircular metal sheet 4 is provided with an inner groove 41.
The up end of semicircle foil 4 of this design is equipped with inner groovy 41, can reduce semicircle foil 4's quality, makes gravity reduce, and gaseous more holds up semicircle foil 4 easily, reaches the effect that improves the exhaust and ventilate.
Furthermore, the rotation angle of the semicircular metal sheet 4 is 0 to 85 °.
The rotation angle of the semicircular metal sheet 4 is 0-85 degrees, and 0 degree is in a horizontal state; one of the two semicircular metal sheets 4 is provided with a limiting convex head, and when the semicircular metal sheet 4 rotates by 85 degrees, the semicircular metal sheet 4 can be abutted against the other semicircular metal sheet 4 due to the limiting convex head, so that the semicircular metal sheet 4 cannot continue to rotate; such design can avoid a semicircle foil 4 and another semicircle foil 4 contact to the skew makes semicircle foil 4 laminating or two semicircle foils 4 all fall to same side, thereby influences isolated effect.
More specifically, the semicircular metal sheet 4 is made of plastic or metal.
The semicircular metal sheet 4 made of plastic is light in weight and is easily supported by gas; the metal semicircular metal sheet 4 has low cost and can be connected with the rotary blade 31 in a welding mode, so that the stability is high.
In further detail, the smoke tube 1 is combined by a vertical tube 12 and a bent tube 13; the welding platform 2 is fixed at the position of the vertical pipe 12;
the vertical pipe 12 is communicated with the smoke discharge head 06, and the bent pipe 13 is communicated with the output end of the fan 04.
The vertical pipe 12 and the bent pipe 13 may be combined separately and then combined together; or the vertical pipe 12 and the bent pipe 13 are integrated and combined; the portion with the elbow 13 can provide a switching pipe connection for switching the smoke tube 1, so that the design can be adapted to each device.
The smoke tube 1 is provided with a fixed platform 14 at the connecting position of the vertical tube 12 and the bent tube 13;
the welding platform 2 is fixed to the fixed table 14.
The position of the fixed table 14 can stabilize the position of the welding platform 2; preferably, the welding platform 2 can be welded to the fixing table 14 through a welding connection mode; thereby obtaining an effect of improving the positional stability of the welding stage 2.
The vertical pipe 12 of the design is used for communicating the outside, and the bent pipe 13 is connected with a fan; therefore, when smoke needs to be discharged, the fan is started to blow the semicircular metal sheet 4, and the smoke is discharged to the outside through the vertical pipe 12; when no smoke needs to be discharged, the bent pipe 13 and the vertical pipe 12 are isolated by the semicircular metal sheet 4, and the water heater has the effects of preventing backflow and air leakage and effectively preventing cold air from blowing into the water heater.
In the description of the present invention, it is to be understood that the terms "front", "back", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "side", and the like 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, 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 therefore, should not be construed as limiting the present invention.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A silent water heater, comprising: the device comprises a shell, a combustor, a heat exchanger, a fan, an exhaust pipe device and a smoke exhaust head;
the combustor is fixed in the shell; the heat exchanger is arranged in the shell and is positioned at the upper end of the combustor; the fan is arranged at the upper end of the heat exchanger and communicated with the heat exchanger; one end of the exhaust pipe device is communicated with the output end of the fan, and the other end of the exhaust pipe device is communicated with the smoke exhaust head; the smoke exhaust head is communicated with the outside of the shell;
the shell is provided with an air inlet joint, a water inlet joint and a water outlet joint; the gas inlet joint is communicated with the combustor through a pipeline and is used for introducing combustible gas into the combustor; the water inlet joint is communicated with the heat exchanger through a pipeline and is used for introducing cold water into the heat exchanger for heating; the water outlet joint is communicated with the heat exchanger through a pipeline and used for discharging hot water heated by the heat exchanger;
the exhaust pipe device includes: the welding device comprises a smoke pipe, a welding platform, a rotating part and a semicircular metal sheet;
the upper end of the smoke tube is communicated with the smoke discharge head, and the lower end of the smoke tube is communicated with the output end of the fan; the welding platform is fixed in the smoke tube, and the rotating piece is horizontally fixed on the welding platform; the rotating piece is provided with a rotatable rotating page; the two semicircular metal sheets are respectively and rotatably connected with the rotating page, so that the semicircular metal sheets can be rotated upwards in the smoke pipe;
under the non-rotation state of the semicircular metal sheet, the outermost side of the semicircular metal sheet is in contact with the inner wall of the smoke pipe or the welding platform, so that the smoke pipe is divided into two independent cavities; the fan is used for blowing up the semicircular metal sheets and blowing out smoke of the heat exchanger from the smoke discharge head.
2. The silent water heater according to claim 1, further comprising: a smoke collecting hood;
the bottom of the fume collecting hood is fixed above the heat exchanger and communicated with an exhaust port of the heat exchanger, and the top of the fume collecting hood is communicated with the fan;
the bottom area of the fume collecting hood is larger than the top area.
3. A silent water heater as claimed in claim 2, further comprising: sealing cotton;
the seal cotton is arranged between the fume collecting hood and the heat exchanger.
4. The silent water heater according to claim 1, further comprising: a direct current water pump;
the direct-current water pump is arranged on a connecting pipeline of the water inlet joint and the heat exchanger.
5. A silent water heater as claimed in claim 1, wherein said welding platform is provided with a welding mechanism comprising: welding a round pipe and a U-shaped groove;
the welding circular pipe is fixed in the smoke pipe, and the outer wall of the welding circular pipe is attached to the inner wall of the smoke pipe; the U-shaped groove is fixed on the welding circular tube and is positioned at the central axis of the welding circular tube; the rotating piece is detachably fixed in the U-shaped groove.
6. The water heater of claim 5, wherein the two ends of the upper end surface of the U-shaped groove are provided with horizontal end surfaces;
the welding circular tube is provided with an annular horizontal ring end face;
and under the non-rotating state of the semicircular metal sheet, the inner end and the outer end of the semicircular metal sheet are respectively contacted with the horizontal end surface and the ring end surface, so that the semicircular metal sheet is in a horizontal state.
7. The silent water heater according to claim 6, wherein the upper end surface of the semicircular metal sheet is provided with an inner groove.
8. The mute water heater according to claim 1, wherein the rotation angle of the semicircular metal sheet is 0-85 °.
9. The silent water heater according to claim 1, wherein the semicircular metal sheet is made of plastic or metal.
10. The mute water heater according to any one of claims 1 to 8, wherein the smoke pipe is formed by combining a vertical pipe and an elbow pipe; the welding platform is fixed at the position of the vertical pipe;
the vertical pipe is communicated with the smoke discharge head, and the bent pipe is communicated with the output end of the fan;
the smoke tube is provided with a fixed platform at the connecting position of the vertical tube and the bent tube;
the welding platform is fixed on the fixed table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920392027.8U CN209926579U (en) | 2019-03-26 | 2019-03-26 | Mute water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920392027.8U CN209926579U (en) | 2019-03-26 | 2019-03-26 | Mute water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209926579U true CN209926579U (en) | 2020-01-10 |
Family
ID=69071605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920392027.8U Expired - Fee Related CN209926579U (en) | 2019-03-26 | 2019-03-26 | Mute water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209926579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692608A (en) * | 2020-06-17 | 2020-09-22 | 宁波方太厨具有限公司 | Opening device and water heater comprising same |
-
2019
- 2019-03-26 CN CN201920392027.8U patent/CN209926579U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692608A (en) * | 2020-06-17 | 2020-09-22 | 宁波方太厨具有限公司 | Opening device and water heater comprising same |
| CN111692608B (en) * | 2020-06-17 | 2022-04-15 | 宁波方太厨具有限公司 | Opening device and water heater comprising same |
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