CN112212504B - Air-proof pipe of water heater, water heater assembly and water heater installation method - Google Patents
Air-proof pipe of water heater, water heater assembly and water heater installation method Download PDFInfo
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- CN112212504B CN112212504B CN202011042931.XA CN202011042931A CN112212504B CN 112212504 B CN112212504 B CN 112212504B CN 202011042931 A CN202011042931 A CN 202011042931A CN 112212504 B CN112212504 B CN 112212504B
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- water heater
- pipe body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
Abstract
The invention discloses a water heater air-proof pipe, a water heater assembly and a water heater installation method, wherein the water heater air-proof pipe comprises the following components: the first pipe body is provided with an accommodating space; the second pipe body is rotatably connected with the first pipe body, one part of the second pipe body rotates at a folding position to enter the accommodating space and is linearly distributed with the first pipe body, and the second pipe body rotates at an unfolding position to leave the accommodating space and form an included angle with the first pipe body; the shielding part is arranged in the first pipe body in a telescopic mode, the second pipe body presses the shielding part into the containing space below in a folding position, and the shielding part extends out to support the second pipe body and covers an outward opening of the containing space when the second pipe body is in an unfolding position. The air pipe movement preventing structure of the water heater is triggered once, and the reliability is high. The installation process can be carried out through a small wall opening, so that the operation steps and outdoor installation are reduced, and the installation safety is improved.
Description
Technical Field
The invention relates to a wind-proof pipe of a water heater, a water heater assembly and a water heater installation method.
Background
When the gas water heater is installed, the exhaust pipe is installed to exhaust the burnt tail gas to the outside. The traditional smoke exhaust pipe is in a vertically upward straight-through mode. After the smoke exhausting device is installed, when the smoke exhausting device meets the weather of strong wind, wind in the opposite blowing direction can be blown into the machine from the smoke pipe port, so that the machine is not smooth in smoke exhausting, tail gas enters a room, or flame of the machine is extinguished in the combustion process. Some existing windproof structures can shield wind, but the structures are usually complex, a large wall hole is needed, or the structures need to be installed outdoors, so that the installation process is very complicated, and the safety is poor.
Disclosure of Invention
The invention aims to overcome the defects that a smoke exhaust pipe is easy to exhaust smoke unsmoothly, a windproof structure is complex, an installation process is very complicated, and safety is poor in the prior art, and provides an air-proof pipe of a water heater, a water heater assembly and a water heater installation method.
The invention solves the technical problems through the following technical scheme:
the utility model provides a tuber pipe is prevented to water heater which characterized in that, the tuber pipe is prevented to water heater includes:
the first pipe body is provided with an accommodating space, wherein one side of the accommodating space is provided with an opening which is opened outwards;
the second pipe body is rotatably connected with the first pipe body, one part of the second pipe body is rotatably arranged in the accommodating space at a folding position and linearly distributed with the first pipe body, and the second pipe body is rotatably separated from the accommodating space at an unfolding position and forms an included angle with the first pipe body;
the shielding component is arranged in the first pipe body in a telescopic mode, the second pipe body is in the folding position and enables the shielding component to be pressed into the containing space below, and when the second pipe body is in the unfolding position, the shielding component stretches out and supports the second pipe body and covers the opening of the containing space outwards.
The first body and the second body of this scheme are folding in a straight line at the beginning to can just wear out to outdoor through very little wall opening. At this moment, the rotation through making the second body can make outdoor second body and first body form the contained angle, and the contained angle best is 90 degrees. Thereby preventing external wind from blowing into the interior. The shielding part shields the opening to ensure sealing.
Preferably, the upper surface of the shielding part has an attaching edge, and the attaching edge is shaped to be matched with the surface of the first tube, wherein when the second tube is in the unfolded position, the attaching edge is attached to the second tube. The laminating edge can be ensured to shelter from the part and to open sealed, avoids the flue gas to escape.
Preferably, the shielding member is configured to move in a telescopic manner through an elastic element, wherein one end of the elastic element abuts against the first tube, and the other end of the elastic element abuts against the shielding member. The elastic element provides elastic force, after the second pipe body extending out of the shielding part is blocked to move out, the shielding part can be automatically closed to be open, and the elastic force provided by the elastic element can enable the shielding part to be tightly attached to the second pipe body, so that the sealing effect is ensured.
Preferably, a lower stopping portion is disposed in the first tube, the shielding member is provided with an upper stopping portion, one end of the elastic element abuts against the lower stopping portion, and the other end of the elastic element abuts against the upper stopping portion.
Preferably, the lower stopping portion has a limiting cavity extending along the axial direction of the first tube, and the lower end of the elastic element is accommodated and limited in the limiting cavity. The extension of lower backstop portion in the axis direction of first body can be with elastic element spacing inside, plays the restraint to elastic element's elasticity direction simultaneously.
Preferably, the first pipe body is provided with a limiting strip, wherein the shielding part extends and moves and pushes the limiting strip open in the radial direction, and the limiting strip retracts through self elasticity after the shielding part moves out. The limiting strip limits the shielding component after retraction, and the shielding component cannot retract reversely after extending out, so that the opening is ensured to be sealed. The spacing strip also can make to shelter from the part and be pressed on the inner wall of first body at the removal in-process to play radial direction's limiting displacement.
Preferably, the spacing strip includes spacing body and connect in the gradually wide portion of spacing body, gradually wide portion with the distance of the wall of first body reduces along the direction of stretching out of sheltering from the part gradually, the distance of the wall of spacing body and first body is less than shelter from the wall thickness of part, wherein, shelter from the part and stretch out and pass through gradually wide portion is crowded to be opened spacing body. Get into the great opening of gradually widening portion earlier when sheltering from the part and stretching out, then crowd the spacing body through gradually widening portion in the in-process of stretching out to insert between the wall of spacing body and first body. Because there is not gradually wide portion when sheltering from part reverse movement, consequently can't insert between the wall of spacing body and first body to realized sheltering from the reverse spacing of part.
Preferably, when the first tube body is in the deployed position, the bottom of the shielding part abuts against the upper edge of the limiting body. Therefore, the gravity of the shielding component is supported by the limiting body, the shielding component cannot fall down, and the opening is ensured to be sealed.
Preferably, the number of the limiting strips is multiple, and the limiting strips are arranged along the extending and moving direction of the shielding component respectively, wherein each limiting strip comprises a limiting body and a connecting end, the connecting end is connected to the inner wall of the first pipe body, and the limiting body is narrowed at the end close to the connecting end, so that the shielding component is blocked. The narrowing part of the limiting body plays a role in circumferential limiting, and the shielding body is prevented from generating displacement in the circumferential direction so as to cause the shielding body to move in the axial direction. A plurality of spacing strips also can make to shelter from the part and be pressed on the inner wall of first body all the time at the removal in-process.
Preferably, the inner walls of the first pipe bodies on the two sides of the opening are provided with the limiting strips, the positions of the limiting strips on the two sides correspond to each other, and the shielding part can simultaneously extrude the corresponding limiting strips on the two sides when extending out. The spacing strips radially limit the shielding parts from two sides, so that the shielding parts can be prevented from tilting due to uneven stress.
Preferably, the elastic element is one or more of a spring, a torsion spring, a tension spring and a spring sheet.
Preferably, the second tube body is divided into a first end and a second end according to a rotation joint, the second end is accommodated in the accommodating space in the folded position, and a center of gravity of the second tube body is located on a side where the first end is located. Under the action of gravity, the second pipe body naturally rotates to form an included angle with the first pipe body. Whereby the convenience of installation is further improved.
A water heater assembly is characterized by comprising the water heater air-proof pipe and a gas water heater, wherein the water heater air-proof pipe is connected to the top end of the gas water heater.
The installation method of the water heater is characterized by being realized by utilizing the windproof pipe of the water heater, and specifically comprises the following steps:
s1, the second pipe body is in a folding position, so that the second pipe body penetrates through the wall hole;
s2, the second pipe body is rotated to the unfolding position, and the shielding body shields and seals the accommodating space.
The positive progress effects of the invention are as follows: the air pipe movement preventing structure of the water heater is triggered once, and the reliability is high. The installation process can be carried out through a small wall opening, so that the operation steps and outdoor installation are reduced, and the installation safety is improved.
Drawings
Fig. 1 is a schematic perspective view of an air-proof pipe of a water heater according to a preferred embodiment of the invention.
Fig. 2 is a schematic view of an explosion-proof structure of the air-proof pipe of the water heater according to the preferred embodiment of the invention.
Fig. 3 is a schematic view of the internal structure of the wind-proof pipe of the water heater according to the preferred embodiment of the invention.
Fig. 4 is a schematic perspective view of a stop strip and a shielding member according to a preferred embodiment of the invention.
Fig. 5 is a schematic axial projection structure diagram of the position limiting bar and the shielding member according to the preferred embodiment of the invention.
FIG. 6 is a schematic structural view of a water heater assembly according to a preferred embodiment of the present invention.
Fig. 7 is a schematic diagram of the second duct in a folded position according to the preferred embodiment of the present invention.
FIG. 8 is a schematic structural diagram of the second pipeline in the rotation process according to the preferred embodiment of the invention.
FIG. 9 is a schematic diagram of the second conduit in a deployed position in accordance with the preferred embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1 to 9, the present embodiment discloses an air-tight pipe for a water heater, which includes a first pipe 1, a second pipe 2, a shielding component 3, an elastic element 4, a limiting strip 5, a pin 6 and a smoke hood 7. As shown in fig. 1 and 2, the air-tight pipe of the water heater in this embodiment includes a first pipe body 1, and an accommodating space 10 is provided on the first pipe body 1, wherein one side of the accommodating space 10 has an opening 11 opened outwards.
As shown in fig. 1 and 2, the air-tight tube of the water heater in this embodiment includes a second tube 2, the second tube 2 is rotatably connected to the first tube 1, as shown in fig. 7, a portion of the second tube 2 is rotated into the accommodating space 10 at a folded position and is linearly distributed with the first tube 1, as shown in fig. 8, the second tube 2 is rotated away from the accommodating space 10 at an unfolded position and forms an included angle with the first tube 1;
as shown in fig. 1 and fig. 2, the wind-proof pipe of the water heater of this embodiment includes a shielding component 3, the shielding component 3 is telescopically disposed in the first pipe 1, as shown in fig. 7, the second pipe 2 presses the shielding component 3 into the lower portion of the accommodating space 10 at the folded position, as shown in fig. 8, when the second pipe 2 is at the unfolded position, the shielding component 3 extends out to support the second pipe 2 and cover the outward opening 11 of the accommodating space 10.
The first and second tubular bodies 1 and 2 of this embodiment are initially folded in a straight line so as to pass through a small wall opening 8 and out of the room. At this time, the rotation of the second pipe body 2 can make the second pipe body 2 and the first pipe body 1 form an included angle, and the included angle is 90 degrees at best. Thereby preventing external wind from blowing into the interior. The shielding member 3 shields the opening 11 to ensure sealing.
As shown in fig. 2, the upper surface of the shielding member 3 of the present embodiment has an attaching edge 31, and the shape of the attaching edge 31 is adapted to the surface of the first tube 1, wherein the attaching edge 31 is attached to the second tube 2 when the second tube 2 is in the unfolding position. The abutting edge 31 ensures the sealing of the shutter member 3 against the opening 11, avoiding the escape of fumes.
As shown in fig. 3, the shielding component 3 of the present embodiment realizes the telescopic movement through an elastic element 4, and the elastic element 4 is one or more of a spring, a torsion spring, a tension spring, and a spring plate. One end of the elastic element 4 abuts against the first tube 1, and the other end of the elastic element 4 abuts against the shielding member 3. The elastic element 4 provides elastic force, after the second pipe body 2 extending out of the shielding part 3 is blocked to move out, the shielding part 3 can automatically close the opening 11, and the elastic force provided by the elastic element 4 can enable the shielding part 3 to be tightly attached to the second pipe body 2, so that the sealing effect is ensured.
As shown in fig. 4 and 7, a lower stop portion 12 is disposed in the first tube 1, the shielding member 3 has an upper stop portion 21, one end of the elastic element 4 abuts against the lower stop portion 12, and the other end of the elastic element 4 abuts against the upper stop portion 21.
As shown in fig. 8 and 9, the lower stopper 12 of the present embodiment has a limiting cavity extending along the axial direction of the first tube 1, and the lower end of the elastic element 4 is received and limited in the limiting cavity. The extension of the lower stopper 12 in the axial direction of the first pipe 1 can limit the elastic element 4 inside, and at the same time, restrain the elastic direction of the elastic element 4.
As shown in fig. 3 to 5, the first tube 1 of the present embodiment is provided with a position-limiting strip 5, wherein the shielding member 3 extends and moves and pushes the position-limiting strip 5 in a radial direction, and the position-limiting strip 5 retracts by its own elasticity after the shielding member 3 is moved out. The limiting strip 5 limits the shielding component 3 after retraction, and the shielding component 3 cannot retract reversely after extending, so that the opening 11 is ensured to be sealed. The spacing strip 5 can also make the shielding component 3 pressed on the inner wall of the first pipe body 1 in the moving process, thereby playing a role in spacing in the radial direction.
As shown in fig. 3 to 5, the position-limiting strip 5 of the present embodiment includes a position-limiting body 51 and a gradually widening portion 52 connected to the position-limiting body 51, a distance between the gradually widening portion 52 and a wall surface of the first tube 1 is gradually reduced along a protruding direction of the shielding member 3, and a distance between the position-limiting body 51 and the wall surface of the first tube 1 is smaller than a wall thickness of the shielding member 3, wherein the shielding member 3 protrudes and the position-limiting body 51 is squeezed open by the gradually widening portion 52. Get into the great opening of gradually widening part 52 earlier when sheltering from part 3 and stretching out, then crowd spacing body 51 through gradually widening part 52 in the in-process of stretching out to insert between spacing body 51 and the wall of first body 1. When the shielding member 3 moves in the reverse direction, the shielding member 3 cannot be inserted between the limiting body 51 and the wall surface of the first pipe 1 because the gradually widening portion 52 does not exist, and therefore the shielding member 3 is limited in the reverse direction.
As shown in fig. 3 to 5, when the first tube 1 of the present embodiment is in the extended position, the bottom of the shielding member 3 abuts on the upper edge of the limiting body 51. Accordingly, the weight of the shielding member 3 is supported by the stopper body 51, and the shielding member 3 does not fall down, thereby ensuring sealing of the opening 11.
As shown in fig. 3-5, the number of the limiting strips 5 of the present embodiment is plural, and the limiting strips 5 are respectively arranged along the extending and moving direction of the shielding component 3, wherein the limiting strips 5 include a limiting body 51 and a connecting end 53, the connecting end 53 is connected to the inner wall of the first tube 1, and the limiting body 51 is narrowed near the connecting end 53, so as to block the shielding component 3. The narrowing of the limiting body 51 plays a role in circumferential limiting, and the shielding body is prevented from generating displacement in the circumferential direction, so that the shielding body can deviate from axial movement. The plurality of limiting strips 5 can also enable the shielding component 3 to be pressed on the inner wall of the first pipe body 1 all the time in the moving process.
As shown in fig. 3-5, the inner walls of the first tube 1 on the two sides of the opening 11 of the present embodiment are provided with the position-limiting strips 5, the positions of the position-limiting strips 5 on the two sides correspond to each other, and the shielding component 3 extends out while squeezing the position-limiting strips 5 on the two sides. The spacing strips 5 radially limit the shielding component 3 from two sides, so that the shielding component 3 can be prevented from being tilted due to uneven stress.
In this embodiment, the second tube 2 is divided into a first end and a second end according to the rotational connection, and the second end is accommodated in the accommodating space 10 in the folded position, wherein the center of gravity of the second tube 2 is located at the side where the first end is located. Under the action of gravity, the second pipe body 2 naturally rotates to form an included angle with the first pipe body 1. Whereby the convenience of installation is further improved.
As shown in fig. 6, the present embodiment further discloses a water heater assembly, which includes a water heater wind-proof pipe and a gas water heater 9, wherein the water heater wind-proof pipe is connected to the top end of the gas water heater 9.
The embodiment also discloses a water heater installation method, which is characterized in that the water heater installation method is realized by using the water heater windproof pipe, and specifically comprises the following steps:
s1, as shown in fig. 7, the second tubular body 2 is in the folded position, so that the second tubular body 2 passes through the wall opening 8; s2, as shown in fig. 8, the second pipe 2 is rotated to the extended position as shown in fig. 9, and the shielding body 3 shields and closes the accommodating space.
The air pipe movement preventing structure of the water heater is triggered once, and the reliability is high. The installation process can be carried out through a small wall opening, so that the operation steps and outdoor installation are reduced, and the installation safety is improved.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (13)
1. The utility model provides a tuber pipe is prevented to water heater which characterized in that, the tuber pipe is prevented to water heater includes:
the first pipe body is provided with an accommodating space, wherein one side of the accommodating space is provided with an opening which is opened outwards;
the second pipe body is rotatably connected with the first pipe body, one part of the second pipe body is rotatably arranged in the accommodating space at a folding position and linearly distributed with the first pipe body, the second pipe body is rotatably separated from the accommodating space at an unfolding position and forms an included angle with the first pipe body, the second pipe body is divided into a first end and a second end according to a rotating connection part, the second end is accommodated in the accommodating space at the folding position, and the gravity center of the second pipe body is positioned on one side of the first end;
the shielding component is arranged in the first pipe body in a telescopic mode, the second pipe body is in the folding position and enables the shielding component to be pressed into the containing space below, and when the second pipe body is in the unfolding position, the shielding component stretches out and supports the second pipe body and covers the opening of the containing space outwards.
2. The water heater vent of claim 1, wherein the upper surface of the shield member has a conforming edge shaped to conform to a surface of the first tube, wherein the conforming edge conforms to the second tube when the second tube is in the deployed position.
3. The wind-proof pipe of water heater as claimed in claim 1, wherein the shielding member is telescopically moved by an elastic member, wherein one end of the elastic member abuts against the first pipe body, and the other end of the elastic member abuts against the shielding member.
4. The air vent of water heater according to claim 3, wherein a lower stop portion is disposed in said first tube, said blocking member has an upper stop portion, one end of said elastic element abuts against said lower stop portion, and the other end of said elastic element abuts against said upper stop portion.
5. The air vent pipe for water heaters as claimed in claim 4, wherein the lower stop portion has a limiting cavity extending along the axial direction of the first pipe body, and the lower end of the elastic element is received and limited in the limiting cavity.
6. The wind-proof pipe for the water heater according to claim 1, wherein a position-limiting strip is provided on the first pipe, wherein the shielding member is extended and moved and pushes open the position-limiting strip in a radial direction, and the position-limiting strip is retracted by self-elasticity after the shielding member is removed.
7. The air vent pipe for water heaters as claimed in claim 6, wherein the position-limiting strip comprises a position-limiting body and a gradually widening portion connected to the position-limiting body, the distance between the gradually widening portion and the wall surface of the first pipe body is gradually reduced along the extending direction of the shielding member, the distance between the position-limiting body and the wall surface of the first pipe body is smaller than the wall thickness of the shielding member, and the shielding member extends out and pushes the position-limiting body away through the gradually widening portion.
8. The water heater vent tube of claim 7, wherein a bottom of the shield member abuts an upper edge of the check body when the first tube is in the deployed position.
9. The air vent pipe for water heaters as claimed in claim 8, wherein the number of the position-limiting strips is plural and is arranged along the extending and moving direction of the shielding member, wherein the position-limiting strips comprise a position-limiting body and a connecting end, the connecting end is connected to the inner wall of the first pipe body, and the position-limiting body is narrowed near the connecting end so as to block the shielding member.
10. The wind-proof pipe for water heater according to claim 6, wherein the inner walls of the first pipe bodies on both sides of the opening are provided with the limiting strips, the positions of the limiting strips on both sides correspond to each other, and the shielding component simultaneously pushes the corresponding limiting strips on both sides open when extending.
11. The air-vent pipe for the water heater according to claim 3, wherein the elastic element is one or more of a spring, a torsion spring, a tension spring and a shrapnel.
12. A water heater assembly comprising a water heater vent as claimed in any one of claims 1 to 11 and a gas water heater, wherein the water heater vent is connected to the top end of the gas water heater.
13. A water heater installation method, characterized in that the water heater installation method is realized by using the air-proof pipe of the water heater as claimed in one of claims 1 to 11, and comprises the following steps:
s1, the second pipe body is in a folding position, so that the second pipe body penetrates through the wall hole;
s2, the second pipe body is rotated to the unfolding position, and the shielding body shields and seals the accommodating space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011042931.XA CN112212504B (en) | 2020-09-28 | 2020-09-28 | Air-proof pipe of water heater, water heater assembly and water heater installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011042931.XA CN112212504B (en) | 2020-09-28 | 2020-09-28 | Air-proof pipe of water heater, water heater assembly and water heater installation method |
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| Publication Number | Publication Date |
|---|---|
| CN112212504A CN112212504A (en) | 2021-01-12 |
| CN112212504B true CN112212504B (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011042931.XA Active CN112212504B (en) | 2020-09-28 | 2020-09-28 | Air-proof pipe of water heater, water heater assembly and water heater installation method |
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| GB2408785A (en) * | 2003-12-04 | 2005-06-08 | Paul Harley | Flexible steam pipe |
| CN201021820Y (en) * | 2007-02-27 | 2008-02-13 | 王信雄 | A smoke discharger for gas kitchen range |
| CN104266205A (en) * | 2014-08-25 | 2015-01-07 | 许高歌 | Check sealing structure for smoke exhaust equipment |
| CN204201990U (en) * | 2014-10-28 | 2015-03-11 | 龙山红日锅炉有限公司 | Collapsible lampblack-sucking cover is inhaled on a kind of top |
| CN104748185A (en) * | 2015-03-27 | 2015-07-01 | 王绍君 | Desktop folding multifunctional exhaust hood |
| CN208635167U (en) * | 2018-08-07 | 2019-03-22 | 襄阳春晓环保科技有限公司 | A kind of automatic opening table type exterior wall hurricane globe |
| CN110486600A (en) * | 2019-01-25 | 2019-11-22 | 深圳市全天拍科技有限公司 | It is a kind of with flexible and storage function folding device and its folded fan |
| JP2020016382A (en) * | 2018-07-25 | 2020-01-30 | 株式会社ノーリツ | Water heater |
| CN210861157U (en) * | 2019-11-19 | 2020-06-26 | 烟台德聚仁实验设备有限公司 | Universal smoke exhaust pipe |
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2020
- 2020-09-28 CN CN202011042931.XA patent/CN112212504B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2408785A (en) * | 2003-12-04 | 2005-06-08 | Paul Harley | Flexible steam pipe |
| CN201021820Y (en) * | 2007-02-27 | 2008-02-13 | 王信雄 | A smoke discharger for gas kitchen range |
| CN104266205A (en) * | 2014-08-25 | 2015-01-07 | 许高歌 | Check sealing structure for smoke exhaust equipment |
| CN204201990U (en) * | 2014-10-28 | 2015-03-11 | 龙山红日锅炉有限公司 | Collapsible lampblack-sucking cover is inhaled on a kind of top |
| CN104748185A (en) * | 2015-03-27 | 2015-07-01 | 王绍君 | Desktop folding multifunctional exhaust hood |
| JP2020016382A (en) * | 2018-07-25 | 2020-01-30 | 株式会社ノーリツ | Water heater |
| CN208635167U (en) * | 2018-08-07 | 2019-03-22 | 襄阳春晓环保科技有限公司 | A kind of automatic opening table type exterior wall hurricane globe |
| CN110486600A (en) * | 2019-01-25 | 2019-11-22 | 深圳市全天拍科技有限公司 | It is a kind of with flexible and storage function folding device and its folded fan |
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|---|---|
| CN112212504A (en) | 2021-01-12 |
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