CN210219712U - Gas boiler convenient to installation - Google Patents
Gas boiler convenient to installation Download PDFInfo
- Publication number
- CN210219712U CN210219712U CN201920592475.2U CN201920592475U CN210219712U CN 210219712 U CN210219712 U CN 210219712U CN 201920592475 U CN201920592475 U CN 201920592475U CN 210219712 U CN210219712 U CN 210219712U
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- CN
- China
- Prior art keywords
- boiler
- fixed
- plate
- fixed block
- locking
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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.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 title claims abstract description 28
- 238000009413 insulation Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 17
- 238000007789 sealing Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003287 bathing Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a gas boiler convenient to installation, including support frame and boiler shell, the universal wheel is installed through the pivot to the support frame lower extreme, the bracing piece is installed to the support frame upper end, upper end of the support bar symmetry slidable mounting has the fixed block, two connecting plates are installed to the lower extreme symmetry of fixed block, the connecting plate is located the both sides of bracing piece, it is right that connecting plate surface mounting is used for the bracing piece with the locking Assembly that the connecting plate carries out locking, fixed block outside surface mounting has the telescopic link, the telescopic link with the inclined plane of fixed block is mutually perpendicular. Has the advantages that: the gas boiler is hoisted above the two support frames, and the boiler is supported and fixed through the position-adjustable fixing block, so that the installation speed is high, and the support is stable; the device is used for rapidly installing the heat-insulating plate through the rotatable pressing assembly, so that the installation speed of the device is guaranteed, and the heat loss of the gas-fired boiler is reduced.
Description
Technical Field
The utility model relates to a gas boiler technical field, concretely relates to gas boiler convenient to installation.
Background
The gas-fired boiler comprises a gas-fired water boiler, a gas-fired hot water boiler, a gas-fired steam boiler and the like, wherein the gas-fired hot water boiler is also called a gas-fired heating boiler and a gas-fired bathing boiler, the gas-fired boiler refers to a boiler with fuel gas as the name implies, and the gas-fired boiler is most economical compared with an oil-fired boiler and an electric boiler, so that most people select the gas-fired boiler as boiler equipment for steam, heating and bathing.
The applicant finds that at least the following technical problems exist in the prior art: when installing gas boiler at present, adopt the fixed bolster to install gas boiler fixedly usually, the installation that can't be applicable to multiple model gas boiler is fixed, and application scope is limited, and all fixes through fixing bolt when the installation, and installation rate is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gas boiler convenient to installation for solve above-mentioned problem to solve present adoption among the prior art and adopt the fixed bolster to install gas boiler fixedly, fixed to the installation that can't be applicable to multiple model gas boiler, application scope is limited, and all fixes through fixing bolt when the installation, installation speed low grade technical problem. The preferred technical scheme among the technical schemes provided by the utility model is that the gas boiler is hoisted above the two supporting frames, and the boiler is supported and fixed by the fixing block with adjustable position, so that the installation speed is high and the support is stable; the device is installed the heated board fast through rotatable subassembly that compresses tightly, has guaranteed the installation rate of device, reduces gas boiler's heat and loses, sees the explanation below for the details.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a gas boiler convenient to installation, including support frame and boiler shell, the universal wheel is installed through the pivot to the support frame lower extreme, the support frame upper end is installed the bracing piece, the symmetrical slidable mounting in bracing piece upper end has the fixed block, and the inclined plane of two fixed blocks is relative, the lower extreme symmetry of fixed block is installed two connecting plates, the connecting plate is located the both sides of bracing piece, the connecting plate surface mounting is used for carrying out the locking subassembly of locking to bracing piece and connecting plate, fixed block outside surface mounting has the telescopic link, the telescopic link is perpendicular with the inclined plane of fixed block, the flexible end of telescopic link is provided with the screw hole, the screw hole is inside to have fixed double-screw bolt through the threaded engagement;
boiler frames are mounted at two ends of the boiler shell, an insertion groove is formed between the boiler shell and the boiler frames, a heat insulation plate is mounted inside the insertion groove and located on the outer side of the boiler shell, a feeding and discharging door is mounted on the outer side of any one of the boiler frames through a rotating shaft, support frames are arranged at the lower ends of the two boiler frames, the boiler frames are in contact with the inclined surfaces of the fixed blocks, a plurality of fixing holes are uniformly formed in the surface of the outer side of each boiler frame, and the fixing studs extend towards the direction of the fixing holes; the utility model discloses a boiler insulation board, including boiler shell, retainer plate, closing plate, sealing plate, the retainer plate surface is installed in the boiler shell outside, the retainer plate surface evenly is provided with a plurality of embedding grooves, embedding groove internally mounted has the closing plate, the closing plate outside install be used for right the heated board compresses tightly the subassembly.
When the gas boiler convenient to install is adopted, the heat insulation plate is placed between the fixing ring and the boiler frame, one end of the heat insulation plate is inserted into the insertion groove, the heat insulation plate is uniformly laid around the boiler shell and symmetrically arranged, the heat insulation plate is pressed and fixed through the pressing components on the sealing plate, the heat insulation plate is quickly installed, after the installation is finished, the distance between the two fixing blocks on each supporting rod is adjusted according to the diameter of the boiler frame, the locking state of the locking components on the connecting plate and the supporting rods is relieved, the fixing blocks are slid, the fixing blocks drive the connecting plate to be adjusted in position on the supporting rods, and after the adjustment is finished, the connecting plate and the supporting rods are locked through the locking components, through the universal wheel drives the support frame removes to adjust distance between the support frame makes two the support frame distance between the telescopic link equals the length of boiler, will install boiler hoist and mount between the fixed block, through the flexible of telescopic link rotates fixing stud, because fixing stud with screw hole threaded engagement, consequently fixing stud can adjust the elongation in the pivoted, until fixing stud's the inner inserts in the fixed orifices, the completion is fixed the installation of boiler, the device still can pass through the universal wheel carries out the position and shifts, conveniently works in the position of difference.
Preferably, a plurality of locking holes are uniformly formed in the surfaces of the two outer side walls of the supporting rod, an insertion hole is formed in the surface of the connecting plate in a penetrating mode, the locking assembly comprises a locking rod, the locking rod is slidably mounted inside the insertion hole, a pull plate is mounted at the outer end of the locking rod, a locking spring is sleeved on the outer side of the locking rod, and the locking spring is fixedly mounted between the connecting plate and the pull plate.
Preferably, a pull ring is mounted on the outer side of the pull plate.
Preferably, the bottom surface in the embedding groove is provided with a mounting cavity, the compressing assembly comprises a fixing ring, the fixing ring is mounted inside the mounting cavity, a compressing rod is slidably mounted inside the fixing ring, the lower end of the compressing rod is provided with a baffle, a compressing spring is sleeved outside the compressing rod and located between the fixing ring and the baffle, and the upper end of the compressing rod sequentially penetrates through the fixing ring and the sealing plate and is provided with a rotating rod through threads.
Preferably, a plane bearing is installed on the bottom surface of the rotating rod.
As preferred, the fixed block outside be provided with the parallel sliding tray in inclined plane of fixed block, the telescopic link includes the slip slider, slip slider slidable mounting is in inside the sliding tray, slip slider outside fixed mounting has fixed pipe box, the spacing ring is installed to fixed pipe box open end, the inside slidable mounting of spacing ring has the slide bar, the slide bar lower extreme stretches into fixed inside and the fixed mounting of pipe box has the limiting plate, the screw hole is located the top of slide bar.
Preferably, the outer end of the fixing stud is provided with a rotating plate.
Has the advantages that: the gas boiler is hoisted above the two support frames, and the boiler is supported and fixed through the position-adjustable fixing block, so that the installation speed is high, and the support is stable; the device is used for rapidly installing the heat-insulating plate through the rotatable pressing assembly, so that the installation speed of the device is guaranteed, and the heat loss of the gas-fired boiler is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a left side view of the present invention;
fig. 2 is a front partial sectional view of the present invention;
FIG. 3 is a schematic view of the telescopic rod structure of the present invention;
FIG. 4 is a schematic view of the locking assembly of the present invention;
fig. 5 is a schematic view of the compressing assembly of the present invention.
The reference numerals are explained below:
1. a universal wheel; 2. a support frame; 201. a support bar; 202. a locking hole; 3. a connecting plate; 301. inserting holes; 4. a fixed block; 401. a sliding groove; 5. fixing the stud; 501. a rotating plate; 6. a boiler frame; 601. a feeding and discharging door; 602. a fixing hole; 603. inserting grooves; 604. a stationary ring; 605. a mounting cavity; 606. an embedding groove; 607. a boiler housing; 7. a telescopic rod; 701. a sliding block; 702. a limiting ring; 703. a slide bar; 704. a threaded hole; 705. a limiting plate; 706. fixing the pipe sleeve; 8. a locking assembly; 801. a locking lever; 802. a locking spring; 803. a pull ring; 804. pulling a plate; 9. a compression assembly; 901. a baffle plate; 902. a compression spring; 903. rotating the rod; 904. a hold down bar; 905. a fixing ring; 10. a thermal insulation board; 11. and (7) sealing the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the utility model provides a gas boiler convenient to installation, including support frame 2 and boiler shell 607, universal wheel 1 is installed through the pivot to support frame 2 lower extreme, support frame 2 installs upper end bracing piece 201, bracing piece 201 upper end symmetry slidable mounting has fixed block 4, the inclined plane of two fixed blocks 4 is relative, two connecting plates 3 are installed to the lower extreme symmetry of fixed block 4, connecting plate 3 is located the both sides of bracing piece 201, connecting plate 3 surface mounting has the locking Assembly 8 that is used for locking bracing piece 201 and connecting plate 3, fixed block 4 outside surface mounting has telescopic link 7, telescopic link 7 is perpendicular with the inclined plane of fixed block 4, the flexible end of telescopic link 7 is provided with screw hole 704, threaded engagement has fixing screw bolt 5 inside screw hole 704;
boiler frames 6 are arranged at two ends of a boiler shell 607, an inserting groove 603 is arranged between the boiler shell 607 and the boiler frames 6, a heat insulation board 10 is arranged in the inserting groove 603 and positioned outside the boiler shell 607, a feeding and discharging door 601 is arranged outside any one boiler frame 6 through a rotating shaft, support frames 2 are arranged at the lower ends of the two boiler frames 6, the boiler frames 6 are in contact with the inclined plane of a fixing block 4, a plurality of fixing holes 602 are uniformly arranged on the surface of the outer side of each boiler frame 6, and fixing studs 5 extend towards the fixing holes 602; the retainer plate 604 is installed in the boiler shell 607 outside, and the retainer plate 604 surface evenly is provided with a plurality of embedding grooves 606, and embedding groove 606 internally mounted has a closing plate 11, and the closing component 9 that is used for compressing tightly the heated board 10 is installed in the closing plate 11 outside.
As an optional implementation manner, a plurality of locking holes 202 are uniformly arranged on the surfaces of two outer side walls of the supporting rod 201, the surface of the connecting plate 3 is provided with an inserting hole 301 in a penetrating manner, the locking assembly 8 comprises a locking rod 801, the locking rod 801 is slidably arranged inside the inserting hole 301, a pulling plate 804 is arranged at the outer end of the locking rod 801, a locking spring 802 is sleeved outside the locking rod 801, the locking spring 802 is fixedly arranged between the connecting plate 3 and the pulling plate 804, when the position of the fixing block 4 needs to be adjusted, the pulling plate 804 is pulled to pull the pulling plate 804 to enable the pulling plate 804 to drive the locking rod 801 to move until the locking rod 801 is completely separated from the locking hole 202, the locking state of the connecting plate 3 and the supporting rod 201 is released, the position of the fixing block 4 is adjusted, after the adjustment is finished, the pulling force of the locking spring 802 is utilized to release the pulling plate 804, the pulling plate 804 drives, the locking of the connecting plate 3 and the supporting rod 201 is completed.
Preferably, the pull plate 804 is provided with a pull ring 803 on the outer side, so that the pull plate 804 can be conveniently pulled by the pull ring 803, and the unlocking and locking of the locking assembly 8 can be conveniently realized.
Preferably, the bottom surface is provided with installation cavity 605 in the embedding groove 606, it includes solid fixed ring 905 to compress tightly subassembly 9, gu fixed ring 905 installs inside installation cavity 605, gu fixed ring 905 installs compressing rod 904 inside slidable mounting, compressing rod 904 lower extreme installs baffle 901, compressing rod 904 outside cover is equipped with compressing spring 902, compressing spring 902 is located gu fixed ring 905 and between the baffle 901, compressing rod 904's upper end passes gu fixed ring 905 and closing plate 11 in proper order, and install rotary rod 903 through the screw thread, when needs compress tightly heated board 10, because compressing spring 902's elasticity, baffle 901 drives compressing rod 904 and moves down, compressing rod 904 drives rotary rod 903 move down, realize rotary rod 903's clamping effect, rotate rotary rod 903, make the both ends of rotary rod 903 stretch to heated board 10, make heated board 10 compress tightly in the outside of boiler shell 607.
Preferably, a flat bearing is installed on the bottom surface of the rotating rod 903, so that the relative friction between the rotating rod 903 and the sealing plate 11 can be reduced, and the rotating rod 903 is prevented from slipping off the pressing rod 904.
Preferably, a sliding groove 401 parallel to the inclined surface of the fixed block 4 is arranged on the outer side of the fixed block 4, the telescopic rod 7 comprises a sliding slider 701, the sliding slider 701 is slidably mounted inside the sliding groove 401, a fixed pipe sleeve 706 is fixedly mounted on the outer side of the sliding slider 701, a limit ring 702 is mounted at the open end of the fixed pipe sleeve 706, a sliding rod 703 is slidably mounted inside the limit ring 702, the lower end of the sliding rod 703 extends into the fixed pipe sleeve 706 and is fixedly mounted with a limit plate 705, a threaded hole 704 is positioned at the top of the sliding rod 703, when the boiler frame 6 needs to be fixed, the sliding slider 701 slides in the sliding groove 401 to adjust the height position of the telescopic rod 7, so that the fixed stud 5 corresponds to the fixed hole 602 conveniently, the sliding rod 703 is prevented from slipping off from the fixed pipe sleeve 706 by the limit of the limit plate 705 and the limit ring 702, the fixed stud 5 is coaxial, and rotating the fixing stud 5 to enable the fixing stud 5 to be inserted into the fixing hole 602, so as to complete the fixing of the boiler.
Preferably, the rotating plate 501 is installed at the outer end of the fixing stud 5, so that the fixing stud 5 can be conveniently rotated through the rotating plate 501, and the boiler frame 6 can be conveniently disassembled and assembled.
By adopting the gas boiler convenient to install, when the gas boiler is installed, the heat insulation plate 10 is placed between the fixing ring 604 and the boiler frame 6, one end of the heat insulation plate 10 is inserted into the insertion groove 603 and is uniformly laid around the boiler shell 607 and is symmetrically arranged, the heat insulation plate 10 is pressed and fixed through the pressing component 9 on the sealing plate 11, the heat insulation plate 10 is quickly installed, after the installation is finished, the distance between the two fixing blocks 4 on each supporting rod 201 is adjusted according to the diameter of the boiler frame 6, the locking state of the locking component 8 on the connecting plate 3 and the supporting rod 201 is relieved, the fixing blocks 4 are slid, the fixing blocks 4 drive the connecting plate 3 to carry out position adjustment on the supporting rod 201, after the adjustment is finished, the connecting plate 3 and the supporting rod 201 are locked through the locking component 8, the supporting frame 2 is driven to move through the universal wheel 1, thereby adjust the distance between the support frame 2, make the distance between the telescopic link 7 of two support frames 2 equal the length of boiler, hoist and mount the boiler of having installed between fixed block 4, through the flexible of telescopic link 7, rotate fixing stud 5, because fixing stud 5 and screw hole 704 threaded engagement, consequently, fixing stud 5 can adjust the elongation in the pivoted, insert in the fixed orifices 602 until fixing stud 5's the inner, the completion is fixed the installation of boiler, the device still can carry out the position through universal wheel 1 and shift, conveniently work in the position of difference.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a gas boiler convenient to installation which characterized in that: including support frame (2) and boiler shell (607), universal wheel (1) is installed through the pivot to support frame (2) lower extreme, bracing piece (201) is installed to support frame (2) upper end, bracing piece (201) upper end symmetry slidable mounting has fixed block (4), two the inclined plane of fixed block (4) is relative, two connecting plates (3) are installed to the lower extreme symmetry of fixed block (4), connecting plate (3) are located the both sides of bracing piece (201), connecting plate (3) surface mounting have be used for right bracing piece (201) with locking Assembly (8) that connecting plate (3) carry out the locking, fixed block (4) outside surface mounting has telescopic link (7), telescopic link (7) with the inclined plane of fixed block (4) is mutually perpendicular, the flexible end of telescopic link (7) is provided with screw hole (704), a fixing stud (5) is meshed with the inside of the threaded hole (704) through threads;
boiler frames (6) are mounted at two ends of the boiler shell (607), an insertion groove (603) is formed between the boiler shell (607) and the boiler frame (6), a heat insulation board (10) is mounted inside the insertion groove (603) and located on the outer side of the boiler shell (607), a feeding and discharging door (601) is mounted on the outer side of any one of the boiler frames (6) through a rotating shaft, support frames (2) are arranged at the lower ends of the two boiler frames (6), the boiler frame (6) is in contact with the inclined plane of the fixing block (4), a plurality of fixing holes (602) are uniformly formed in the surface of the outer side of the boiler frame (6), and the fixing studs (5) extend towards the direction of the fixing holes (602); retainer plate (604) are installed in boiler shell (607) outside, retainer plate (604) surface evenly is provided with a plurality of embedding grooves (606), embedding groove (606) internally mounted has closing plate (11), it is right that closing plate (11) are installed in the outside be used for the subassembly (9) that compresses tightly that heated board (10) compress tightly.
2. An easy-to-install gas boiler as claimed in claim 1, characterized in that: the utility model discloses a locking device, including bracing piece (201), two lateral wall surfaces of bracing piece (201) evenly are provided with a plurality of locking holes (202), connecting plate (3) surface runs through and is provided with spliced eye (301), locking Assembly (8) include check lock lever (801), check lock lever (801) slidable mounting be in inside spliced eye (301), arm-tie (804) are installed to the outer end of check lock lever (801), check lock lever (801) outside cover is equipped with locking spring (802), locking spring (802) fixed mounting be in connecting plate (3) with between arm-tie (804).
3. An easy-to-install gas boiler as claimed in claim 2, characterized in that: and a pull ring (803) is arranged on the outer side of the pull plate (804).
4. An easy-to-install gas boiler as claimed in claim 1, characterized in that: the bottom surface is provided with installation cavity (605) in embedding groove (606), compresses tightly subassembly (9) including solid fixed ring (905), gu fixed ring (905) install inside installation cavity (605), gu fixed ring (905) inside slidable mounting has compressing rod (904), compressing rod (904) lower extreme installs baffle (901), compressing rod (904) outside cover is equipped with compressing spring (902), compressing spring (902) are located gu fixed ring (905) with between baffle (901), compressing rod (904) upper end passes in proper order gu fixed ring (905) with closing plate (11), and install rotary rod (903) through the screw thread.
5. An easy-to-install gas boiler as claimed in claim 4, characterized in that: and a plane bearing is arranged on the bottom surface of the rotating rod (903).
6. An easy-to-install gas boiler as claimed in claim 1, characterized in that: fixed block (4) outside be provided with the parallel sliding tray (401) in inclined plane of fixed block (4), telescopic link (7) are including slip slider (701), slip slider (701) slidable mounting be in inside sliding tray (401), slip slider (701) outside fixed mounting has fixed pipe box (706), spacing ring (702) is installed to fixed pipe box (706) open end, inside slidable mounting of spacing ring (702) has slide bar (703), slide bar (703) lower extreme stretches into inside and fixed mounting of fixed pipe box (706) has limiting plate (705), screw hole (704) are located the top of slide bar (703).
7. An easy-to-install gas boiler as claimed in claim 6, characterized in that: and a rotating plate (501) is arranged at the outer end of the fixed stud (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920592475.2U CN210219712U (en) | 2019-04-28 | 2019-04-28 | Gas boiler convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920592475.2U CN210219712U (en) | 2019-04-28 | 2019-04-28 | Gas boiler convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210219712U true CN210219712U (en) | 2020-03-31 |
Family
ID=69924327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920592475.2U Expired - Fee Related CN210219712U (en) | 2019-04-28 | 2019-04-28 | Gas boiler convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210219712U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146276A (en) * | 2020-09-28 | 2020-12-29 | 衡阳市大成锅炉有限公司 | Boiler with novel chassis |
| CN112146117A (en) * | 2020-09-28 | 2020-12-29 | 衡阳市大成锅炉有限公司 | Double-sealed smoke box door |
| CN114877311A (en) * | 2022-05-24 | 2022-08-09 | 青岛能源设计研究院有限公司 | Gas boiler falls makes an uproar and uses bracket component |
-
2019
- 2019-04-28 CN CN201920592475.2U patent/CN210219712U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146276A (en) * | 2020-09-28 | 2020-12-29 | 衡阳市大成锅炉有限公司 | Boiler with novel chassis |
| CN112146117A (en) * | 2020-09-28 | 2020-12-29 | 衡阳市大成锅炉有限公司 | Double-sealed smoke box door |
| CN114877311A (en) * | 2022-05-24 | 2022-08-09 | 青岛能源设计研究院有限公司 | Gas boiler falls makes an uproar and uses bracket component |
| CN114877311B (en) * | 2022-05-24 | 2022-12-02 | 青岛能源设计研究院有限公司 | Gas boiler falls makes an uproar and uses bracket component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 |