CN210830947U - Concatenation formula air-out pipeline - Google Patents
Concatenation formula air-out pipeline Download PDFInfo
- Publication number
- CN210830947U CN210830947U CN201921235156.2U CN201921235156U CN210830947U CN 210830947 U CN210830947 U CN 210830947U CN 201921235156 U CN201921235156 U CN 201921235156U CN 210830947 U CN210830947 U CN 210830947U
- Authority
- CN
- China
- Prior art keywords
- flange
- ventilation pipe
- frame body
- branch
- air
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Duct Arrangements (AREA)
Abstract
The utility model relates to a spliced air outlet pipeline, which comprises a main body ventilation pipe and branch ventilation pipes; the main ventilation pipe is formed by sequentially connecting and matching a plurality of main ventilation pipe sections and at least one branch ventilation pipe section with a fork, the branch ventilation pipes are formed by sequentially connecting and matching a plurality of branch ventilation pipe sections end to end, and the adjacent main ventilation pipe sections and the branch ventilation pipe sections are detachably connected through first plug parts; the first inserting component comprises a first flange frame body and a second flange frame body which are mutually inserted and matched, the section of the first flange is in an H-shaped structure with notches at two sides, and the second flange consists of an integrally formed inserting part and an inserting groove part; the fork air pipe plate is detachably connected with the branch air pipes through third plug-in components. The utility model has the advantages of simple and compact overall structure, sealed effectual, and peg graft convenient, easy dismounting and repeatedly usable, thereby be convenient for later maintenance, greatly reduced construction cost.
Description
Technical Field
The utility model belongs to the technical field of the pipeline, especially, relate to a concatenation formula air-out pipeline.
Background
The traditional ventilating duct generally adopts an iron sheet air duct and a glass fiber reinforced plastic air duct, the iron sheet air duct needs a technician to manually beat an occluded iron sheet, the cost is high, the construction is complex, the period is long, and the working efficiency is low; the glass fiber reinforced plastic air pipe needs moulding, gluing and maintenance, the construction process is complex, the period is long, the working efficiency is low, and the quality is not easy to control. Chinese patent CN205859392U discloses a "splicing assembly type air duct", which includes: the air pipe single sections are detachably enclosed by a panel through a first connecting flange; and adjacent air pipe single sections are detachably connected together through a second connecting flange. Wherein, adjacent tuber pipe single section passes through the detachable connection of second flange, and second flange is "H" type flange, so need assemble in an organic whole with individual tuber pipe single section in proper order when the concatenation, the dismouting is inconvenient, and the compactness is relatively poor, makes sealed effect relatively poor then, and the quality can not be guaranteed, and life is short, in addition, this can splice assembled tuber pipe and only be applicable to the linear type tuber pipe, is not suitable for to the tuber pipe of fork or crooked type, and the practicality is relatively poor.
Therefore, based on the problems, the spliced air outlet pipeline which is simple and compact in overall structure, good in sealing effect, convenient to insert and assemble, convenient to disassemble and assemble, reusable and convenient to maintain in the later period and greatly reduces the construction cost is provided, and the spliced air outlet pipeline has important practical significance.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide an overall structure simple, compact, sealed effectual, and peg graft convenient, easy dismounting and repeatedly usable, thereby be convenient for later maintenance, greatly reduced construction cost's concatenation formula exhaust duct.
The utility model discloses take following technical scheme to realize:
a spliced air outlet pipeline comprises a main body ventilation pipe and branch air pipes;
the main ventilation pipe is formed by sequentially connecting and matching a plurality of main ventilation pipe sections and at least one branch ventilation pipe section, the branch air pipes are formed by sequentially connecting and matching a plurality of branch ventilation pipe sections end to end, the main ventilation pipe section is formed by detachably enclosing four air pipe plates through corner flanges, the branch ventilation pipe section is formed by detachably enclosing three air pipe plates and one branch air pipe plate through corner flanges, and the adjacent main ventilation pipe sections, the main ventilation pipe sections and the branch ventilation pipe sections are detachably connected through first inserting parts;
the first inserting component comprises a first flange frame body and a second flange frame body which are mutually inserted and matched, the first flange frame body is a rectangular frame body structure formed by connecting and enclosing four first flanges end to end, the second flange frame body is a rectangular frame body structure formed by connecting and enclosing four second flanges end to end, the cross section of the first flange is of an H-shaped structure with notches formed in two sides, the second flange is composed of an integrally formed inserting part and a slot part, the inserting part is inserted and matched with the notch in one side of the first flange, and the notch in the other side of the first flange and the slot part of the second flange are respectively used for inserting the front edge and the rear edge of the air duct plate;
the fork air pipe plate is of a reversed-square structure consisting of a C-shaped left air plate and a C-shaped right air plate which are arranged oppositely, and the fork air pipe plate is detachably connected with the branch air pipes through third inserting parts.
Preferably, the structure of the branch ventilation pipe sections is the same as that of the main body ventilation pipe section, the size of each branch ventilation pipe section is smaller than that of the main body ventilation pipe section, the adjacent branch ventilation pipe sections are detachably connected through the second plug-in component, the structure of the second plug-in component is the same as that of the first plug-in component, the structure also comprises a first flange frame body and a second flange frame body which are mutually matched in a plug-in mode, and the size of the second plug-in component is smaller than that of the first plug-in component.
Preferably, the cross section of the corner flange is of a structure shaped like a Chinese jin with two vertically arranged notches, and the two notches of the corner flange are respectively used for inserting the air pipe plate.
Preferably, the third plugging part comprises a third flange frame body and a second flange frame body which are in plugging fit with each other, the third flange frame body and the second flange frame body are respectively installed on the fork air duct plate and the branch air duct, the third flange frame body is a rectangular frame body structure formed by connecting and enclosing four corner flanges end to end, a notch on one side of the corner flange in the third flange frame body is respectively installed on the inner edge of the fork air duct plate, a notch on the other side of the corner flange in the third flange frame body is in plugging fit with a plugging part on the second flange frame body, and a plugging groove part of the second flange frame body is in plugging fit with an air duct plate on the branch air duct.
The utility model has the advantages that:
1. the utility model discloses a corner type flange, first grafting part, second grafting part, third grafting part etc. form main part ventilation pipe, branch tuber pipe with multi-disc tuber pipe board assembly to assemble in an organic whole, easy dismounting, transportation convenience, easy maintenance.
2. The utility model discloses in, the main part ventilation pipe uses as the person in charge of ventilation, by a plurality of main part ventilation pipeline sections, at least one section takes the fork ventilation pipeline section to plug into the cooperation in proper order and forms, main part ventilation pipeline section is formed by four tuber pipe boards through the detachable enclosure of corner type flange, take the fork ventilation pipeline section by three tuber pipe boards, a fork wind pipe board forms through the detachable enclosure of corner type flange, the main part ventilation pipe is pegged graft in proper order through first grafting part, overall structure is simple, compact, it is sealed effectual, and peg graft conveniently, easy dismounting and repeatedly usable, thereby the later maintenance of being convenient for, greatly reduced construction cost.
3. The utility model discloses in, take fork ventilation pipeline section to be used for communicating branch's tuber pipe and main part ventilation pipe, through the detachable connection of third insertion parts between fork tuber pipe board and the branch's tuber pipe, can assemble branch's tuber pipe and main part ventilation pipe in an organic whole through third insertion parts, easy dismounting and repeatedly usable, thereby compact, sealed effectual later maintenance of being convenient for between branch's tuber pipe and the main part ventilation pipe, greatly reduced construction cost.
4. The utility model discloses in, the branch's tuber pipe is pegged graft in proper order through second insertion parts, and overall structure is simple, compact, sealed effectual, and peg graft convenient, easy dismounting and repeatedly usable, thereby the later maintenance of being convenient for, greatly reduced construction cost.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of the vent segment of the main body of FIG. 1;
FIG. 3 is a schematic perspective view of the vented pipe section with a bifurcation of FIG. 1;
FIG. 4 is a schematic perspective view of a bifurcated duct plate;
FIG. 5 is a schematic perspective view of a first flange;
FIG. 6 is a perspective view of a second flange;
FIG. 7 is a perspective view of a corner flange;
fig. 8 is a schematic structural diagram in a disassembled state in fig. 1.
In the figure: 1. the main body ventilation pipe comprises a main body ventilation pipe section 2, a main body ventilation pipe section 3, a ventilation pipe section with a fork, a branch ventilation pipe section 4, a wind pipe plate 5, a corner flange 6, a fork wind pipe plate 7, a first plug-in component 8, a first flange frame 9, a first flange frame 10, a second flange frame 11, a first flange 12, a second flange 13, a plug-in part 14, a plug-in groove part 15, a left wind plate 16, a right wind plate 17, a second plug-in component 18, a third plug-in component 19 and a third flange frame.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1-8, a spliced air outlet pipeline comprises a main body ventilation pipe 1 and branch air pipes; the main body ventilation pipe 1 is formed by sequentially connecting and matching a plurality of main body ventilation pipe sections 2 and at least one branch ventilation pipe section 3, the branch ventilation pipe is formed by sequentially connecting and matching a plurality of branch ventilation pipe sections 4 end to end, the main body ventilation pipe section 2 is formed by detachably enclosing four air pipe plates 5 through corner-shaped flanges 6, the branch ventilation pipe section 3 is formed by detachably enclosing three air pipe plates 5 and one branch air pipe plate 7 through corner-shaped flanges 6, and the adjacent main body ventilation pipe sections 2, the main body ventilation pipe sections 2 and the branch ventilation pipe sections 3 are respectively detachably connected through first inserting parts 8; the first inserting component 8 comprises a first flange frame body 9 and a second flange frame body 10 which are inserted and matched with each other, the first flange frame body 9 is a rectangular frame body structure formed by connecting and enclosing four first flanges 11 end to end, the second flange frame body 10 is a rectangular frame body structure formed by connecting and enclosing four second flanges 12 end to end, the cross section of the first flange 11 is of an H-shaped structure with notches at two sides, the second flange 12 is composed of an inserting part 13 and a slot part 14 which are integrally formed, the inserting part 13 is inserted and matched with the notch at one side of the first flange 11, and the notch at the other side of the first flange 11 and the slot part 14 of the second flange 12 are respectively used for inserting the front edge and the rear edge of the air duct plate 5; the fork air pipe plate 7 is of a reversed-square structure consisting of a C-shaped left air plate 15 and a C-shaped right air plate 16 which are arranged oppositely, and the fork air pipe plate 7 is detachably connected with the branch air pipes through a third inserting component 18.
Example (b): the main body ventilation pipe 1 is used as a main ventilation pipe and is formed by sequentially connecting and matching a plurality of main body ventilation pipe sections 2 and at least one branch ventilation pipe section 3, wherein the main body ventilation pipe section 2 is formed by detachably enclosing four air pipe plates 5 through a corner-shaped flange 6, the branch ventilation pipe section 3 is formed by detachably enclosing three air pipe plates 5 and one branch air pipe plate 7 through a corner-shaped flange 6, the branch air pipes are communicated with the main body ventilation pipe 1 through the branch ventilation pipe section 3, and the adjacent main body ventilation pipe sections 2 and the branch ventilation pipe sections 3 are detachably connected through first plug-in parts 8 respectively; the first inserting component 8 comprises a first flange frame 9 and a second flange frame 10 which are inserted and matched with each other, the first flange frame 9 is a rectangular frame structure formed by connecting and enclosing four first flanges 11 end to end, the second flange frame 10 is a rectangular frame structure formed by connecting and enclosing four second flanges 12 end to end, as shown in fig. 5 and 8, the cross section of the first flange 11 is in an H-shaped structure with notches arranged at two sides, as shown in fig. 6 and 8, the second flange 12 is composed of an inserting part 13 and an inserting groove part 14 which are integrally formed, the first flange frame 9 is arranged at the rear end part of the main body ventilation pipe section 2 or the ventilation pipe section 3 with a fork, the second flange frame 10 is arranged at the front end part of the main body ventilation pipe section 2 or the ventilation pipe section 3 with a fork, the notch at the front side of the first flange 11 is inserted and matched with the air pipe plate 5, the second flange 12 is inserted and matched with the air pipe plate 5, when the current and the last two main body ventilation pipe sections 2 or the ventilation pipe section 3 with the fork are installed, only the rear side notch of the first flange 11 needs to be in splicing fit with the splicing part 13 of the second flange 12, the main body ventilation pipe 1 is sequentially spliced through the first splicing part 8, compared with the technology that the ventilation pipe is spliced only through the first flange frame body in the prior art, the utility model discloses a first flange frame body 9 and a second flange frame body 10 are respectively installed at the two ends of a single ventilation pipe section, the whole structure is simpler and more compact, the sealing effect is good, the splicing is convenient, the dismounting is convenient and the reuse is convenient, thereby the later maintenance is convenient, the construction cost is greatly reduced, and it needs to be explained that in order to ensure the whole stability and the sealing performance, the first splicing part can further fix by using sealant, rivets and the like; the first flange frame body 9 is a rectangular frame body structure formed by connecting and enclosing four first flanges 11 end to end, and the second flange frame body 10 is a rectangular frame body structure formed by connecting and enclosing four second flanges 12 end to end, so that the whole structure is firm and stable in connection and not easy to deform, and the assembly stability is greatly improved; the main ventilation pipe 1 is provided with a plurality of branch air pipes, the branch air pipes are used for transmitting air in the main ventilation pipe 1 to an air outlet, the branch air pipes are formed by sequentially connecting and matching a plurality of branch ventilation pipe sections 4 end to end, the branch air pipes are communicated with the main ventilation pipe 1 through the ventilation pipe section 3 with the fork, the fork air pipe plate 7 is of a reversed-square structure consisting of a C-shaped left air plate 15 and a C-shaped right air plate 16 which are oppositely arranged, the fork air pipe plate 7 is detachably connected with the branch air pipes through the third insertion parts 18, the branch air pipes and the main ventilation pipe 1 can be assembled into a whole through the third insertion parts 18, the disassembly and the assembly are convenient and the reuse are realized, the branch air pipes and the main ventilation pipe are compact, the sealing effect is good, the later maintenance is convenient, and the construction cost is greatly reduced; the utility model discloses a corner type flange 6, first insertion parts 8, third insertion parts 18 etc. are in an organic whole with the orderly equipment of the tuber pipe board of multi-disc, easy dismounting, transportation convenience, easy maintenance.
Still further, can also be considered in the utility model discloses in, the structure of branch ventilation pipeline section 4 is the same with the structure of main part ventilation pipeline section 2, just the size of branch ventilation pipeline section 4 is less than the size of main part ventilation pipeline section 2, and is adjacent through the detachable connection of second plug part 17 between the branch ventilation pipeline section 4, the structure of second plug part 17 is the same with the structure of first plug part 8, also includes first flange framework 9, the second flange framework 10 of mutual grafting complex, just the size of second plug part 17 is less than the size of first plug part 8.
The adjacent branch ventilation pipe sections 4 are detachably connected through a second plug-in component 17, the structure of the second plug-in component 17 is the same as that of the first plug-in component 8, and the second plug-in component also comprises a first flange frame body 9 and a second flange frame body 10 which are mutually plug-in matched, as shown in figure 8, the first flange frame body 9 is arranged at the front end part of the branch ventilation pipe section 4 positioned at the rear side, the second flange frame body 10 is arranged at the rear end part of the branch ventilation pipe section 4 positioned at the front side, the front side notch of the first flange 11 is plug-in matched with the air pipe plate 5, the second flange 12 is plug-in matched with the air pipe plate 5, when the front branch ventilation pipe section and the rear branch ventilation pipe section 4 are arranged, only the rear side notch of the first flange 11 is plug-in matched with the plug-in part 13 of the second flange 12, the branch ventilation pipes are sequentially plug-in through the second plug-in component 17, Easy dismounting and repeatedly usable thereby be convenient for later maintenance, greatly reduced construction cost, it needs to explain, for guarantee holistic stability, leakproofness, still can use sealed glue, rivet etc. to carry out further reinforcement in second plug component department.
Still further, can be in the utility model discloses in consider, the cross-section of corner type flange 6 is sets up two jin style of calligraphy structures that set up the notch perpendicularly, two notches of corner type flange 6 are used for grafting tuber pipe board 5 respectively. The corner flange 6 is used for splicing the two vertical duct plates 5 into a whole.
Still further, can also be considered in the utility model discloses, third plug component 18 is including mutual grafting complex third flange framework 19, second flange framework 10, third flange framework 19, second flange framework 10 are installed respectively on fork tuber pipe board 7, branch tuber pipe, third flange framework 19 is the rectangle framework structure that encloses by four corner type flanges 6 end to end, one of them side notch of corner type flange 6 in the third flange framework 19 is installed respectively on the inner edge of fork tuber pipe board 7, and the grafting portion 13 grafting cooperation on opposite side notch and the second flange framework 10, the grafting portion 14 of second flange framework 10 and the tuber pipe board 5 grafting cooperation on the branch tuber pipe.
The fork air pipe plate 7 is detachably connected with the branch air pipes through a third inserting component 18, the third inserting component 18 comprises a third flange frame body 19 and a second flange frame body 10 which are mutually inserted and matched, the third flange frame body 19 is arranged at the inner edge of the fork air pipe plate 7, the second flange frame body 10 is arranged on the branch air pipes, the third flange frame body 19 is a rectangular frame body structure formed by connecting and enclosing four corner flanges 6 end to end, one side notch of the corner flange 6 in the third flange frame body 19 is respectively arranged at the inner edge of the fork air pipe plate 7, when the fork air pipe plate 7 and the branch air pipes are required to be assembled into a whole, only the inserting part 13 on the branch air pipe and the corner flanges 6 on the fork air pipe plate 7 are required to be assembled into a whole, the disassembling and the reusing are realized, the branch air pipes and the main body ventilation pipes are compact, the sealing effect is good, and the later maintenance is convenient, greatly reducing the construction cost.
To sum up, the utility model provides an overall structure is simple, compact, sealed effectual, and peg graft facility, easy dismounting and repeatedly usable, thereby be convenient for later maintenance, greatly reduced construction cost's concatenation formula air-out pipeline.
Claims (4)
1. The utility model provides a concatenation formula air-out pipeline, includes main part ventilation pipe, branch tuber pipe, its characterized in that:
the main ventilation pipe is formed by sequentially connecting and matching a plurality of main ventilation pipe sections and at least one branch ventilation pipe section, the branch air pipes are formed by sequentially connecting and matching a plurality of branch ventilation pipe sections end to end, the main ventilation pipe section is formed by detachably enclosing four air pipe plates through corner flanges, the branch ventilation pipe section is formed by detachably enclosing three air pipe plates and one branch air pipe plate through corner flanges, and the adjacent main ventilation pipe sections, the main ventilation pipe sections and the branch ventilation pipe sections are detachably connected through first inserting parts;
the first inserting component comprises a first flange frame body and a second flange frame body which are mutually inserted and matched, the first flange frame body is a rectangular frame body structure formed by connecting and enclosing four first flanges end to end, the second flange frame body is a rectangular frame body structure formed by connecting and enclosing four second flanges end to end, the cross section of the first flange is of an H-shaped structure with notches formed in two sides, the second flange is composed of an integrally formed inserting part and a slot part, the inserting part is inserted and matched with the notch in one side of the first flange, and the notch in the other side of the first flange and the slot part of the second flange are respectively used for inserting the front edge and the rear edge of the air duct plate;
the fork air pipe plate is of a reversed-square structure consisting of a C-shaped left air plate and a C-shaped right air plate which are arranged oppositely, and the fork air pipe plate is detachably connected with the branch air pipes through third inserting parts.
2. The spliced air outlet pipeline of claim 1, wherein: the structure of the branch ventilation pipe section is the same as that of the main body ventilation pipe section, the size of the branch ventilation pipe section is smaller than that of the main body ventilation pipe section, the adjacent branch ventilation pipe sections are detachably connected through a second plug-in component, the structure of the second plug-in component is the same as that of the first plug-in component, the structure also comprises a first flange frame body and a second flange frame body which are mutually matched in a plug-in mode, and the size of the second plug-in component is smaller than that of the first plug-in component.
3. The spliced air outlet pipeline of claim 1, wherein: the section of the corner flange is of a structure in the shape of a Chinese character jin with two vertically arranged notches, and the two notches of the corner flange are respectively used for being inserted into the air pipe plates.
4. The spliced air outlet pipeline of claim 1, wherein: the third inserting component comprises a third flange frame body and a second flange frame body which are mutually inserted and matched, the third flange frame body and the second flange frame body are respectively arranged on the fork air pipe plate and the branch air pipe, the third flange frame body is a rectangular frame body structure formed by connecting and enclosing four corner flanges end to end, a notch on one side of each corner flange in the third flange frame body is respectively arranged on the inner edge of the fork air pipe plate, a notch on the other side of each corner flange is inserted and matched with an inserting part on the second flange frame body, and an inserting groove part of the second flange frame body is inserted and matched with the air pipe plates on the branch air pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921235156.2U CN210830947U (en) | 2019-08-01 | 2019-08-01 | Concatenation formula air-out pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921235156.2U CN210830947U (en) | 2019-08-01 | 2019-08-01 | Concatenation formula air-out pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210830947U true CN210830947U (en) | 2020-06-23 |
Family
ID=71263388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921235156.2U Active CN210830947U (en) | 2019-08-01 | 2019-08-01 | Concatenation formula air-out pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210830947U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513802A (en) * | 2021-03-10 | 2021-10-19 | 浙江中创科技有限公司 | Assembled smoke prevention and exhaust air pipe and assembling method |
| CN114001412A (en) * | 2021-11-26 | 2022-02-01 | 安徽南国机电科技发展有限公司 | Deodorizing device installed at fresh air conditioner air outlet and installation method thereof |
| CN114963383A (en) * | 2022-05-25 | 2022-08-30 | 中电环宇（北京）建设工程有限公司 | Manufacturing and assembling method of smoke-preventing and exhausting air pipe |
-
2019
- 2019-08-01 CN CN201921235156.2U patent/CN210830947U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513802A (en) * | 2021-03-10 | 2021-10-19 | 浙江中创科技有限公司 | Assembled smoke prevention and exhaust air pipe and assembling method |
| CN114001412A (en) * | 2021-11-26 | 2022-02-01 | 安徽南国机电科技发展有限公司 | Deodorizing device installed at fresh air conditioner air outlet and installation method thereof |
| CN114963383A (en) * | 2022-05-25 | 2022-08-30 | 中电环宇（北京）建设工程有限公司 | Manufacturing and assembling method of smoke-preventing and exhausting air pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210830947U (en) | Concatenation formula air-out pipeline | |
| CN210425428U (en) | Can splice formula air-out system | |
| CN202532804U (en) | Air return channel for refrigerator | |
| CN210425429U (en) | Concatenation formula circulation ventilation unit | |
| CN211118049U (en) | Concatenation formula glass steel tuber pipe | |
| CN215983170U (en) | Novel air conditioner box section bar structure | |
| CN216902041U (en) | Detachable model assembly connector for indoor design | |
| CN210740577U (en) | Liquid center is joined in marriage to modularization | |
| CN212210065U (en) | Assembled direct current cabinet body | |
| CN214198836U (en) | Air flue structure based on asbestos-free calcium silicate board | |
| CN206369830U (en) | Adapter for the joints of optical fibre | |
| CN215484610U (en) | Aluminum alloy template of assembling fast | |
| CN216042329U (en) | Nail-free plane rapid socket system | |
| CN216840167U (en) | High-strength high-crystal ceiling | |
| CN220852511U (en) | Ventilating duct | |
| CN215782180U (en) | Coarse-effect air filter | |
| CN203464463U (en) | Fixing structure for micro-channel parallel-flow heat exchanger on window type air conditioner | |
| CN220979256U (en) | Combined window | |
| CN215282428U (en) | Constructional engineering is with fixing panel nailing device certainly | |
| CN220354735U (en) | Pipeline connecting flange strip | |
| CN216279931U (en) | Stable in structure's integral type air pipe flange | |
| CN219263472U (en) | Warm ventilation pipe splicing device | |
| CN209874913U (en) | Aluminum alloy window frame fast-assembling structure | |
| CN214465338U (en) | Novel fast-assembling connecting piece | |
| CN215609313U (en) | Quick mosaic structure of spare part for dinosaur toy suit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |