CN219062739U - Fire-fighting ventilation pipeline - Google Patents
Fire-fighting ventilation pipeline Download PDFInfo
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- CN219062739U CN219062739U CN202320118269.4U CN202320118269U CN219062739U CN 219062739 U CN219062739 U CN 219062739U CN 202320118269 U CN202320118269 U CN 202320118269U CN 219062739 U CN219062739 U CN 219062739U
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- filter screen
- pipe body
- connecting rope
- side section
- fire
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Abstract
The utility model provides a fire-fighting ventilation pipeline, which belongs to the technical field of fire-fighting pipelines and comprises a pipeline body, a filter screen and a connecting rope; connecting flanges are fixedly arranged at two ends of the pipe body; the filter screen is arranged at one end of the inside of the pipe body; the peripheral wall of the filter screen is fixedly connected with a frame body; the connecting rope comprises an outer side section arranged outside the pipe body and an inner side section arranged inside the pipe body, and the inner side section and the outer side section form a closed loop structure; the inner side section of the connecting rope is connected with the frame body; the positions, close to the two ends, of the side wall of the pipe body are provided with through holes suitable for the connecting ropes to pass out, and one end, far away from the installation position of the filter screen, of the pipe body is provided with a disassembly opening; under the action of the tensile force of the connecting rope, the filter screen has the degree of freedom suitable for sliding towards the disassembly opening; just can dismantle and install the filter screen through pulling connecting rope, to filtering the dismantlement in-process, the filter screen also can clear up the inner wall of body, need not frequent dismouting to the body, is convenient for improve work efficiency.
Description
Technical Field
The utility model belongs to the technical field of fire-fighting pipelines, and particularly relates to a fire-fighting ventilating pipeline.
Background
The ventilating duct is a metal or composite pipeline for ventilation and air conditioning engineering of industrial and civil buildings, is used for circulating air and reducing the concentration of harmful gases, is the most commonly used fire-fighting equipment in fire-fighting operation, and can exhaust smoke outside the buildings to prevent smoke from damaging personnel in fire sites.
After the indoor ventilating duct is used for a long time, maintenance personnel are required to clean the ventilating duct regularly so as to reduce foreign matters in the ventilating duct; meanwhile, the filter screen in the ventilating duct is replaced. When the ventilating duct is cleaned and the filter screen is replaced, the ventilating duct in the corresponding section is detached in the prior art, and the ventilating duct is installed after the cleaning is completed.
However, when the number of the sections of the ventilation duct is large, the cleaning efficiency is low by frequently attaching and detaching the ventilation duct.
Disclosure of Invention
The embodiment of the utility model provides a fire-fighting ventilation pipeline, which aims to solve the technical problem that the efficiency of the mode of frequently disassembling and assembling the ventilation pipeline is low when foreign matters in the same-branch pipeline are cleaned in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
there is provided a fire ventilation duct comprising:
the two ends of the pipe body are fixedly provided with connecting flanges;
the filter screen is arranged at one end of the inside of the pipe body; the outer peripheral wall of the filter screen is fixedly connected with a frame body, and the outer peripheral wall of the frame body is suitable for being contacted with the inner peripheral wall of the pipe body; and
the connecting rope comprises an outer side section arranged outside the pipe body and an inner side section arranged inside the pipe body, and the inner side section and the outer side section form a closed loop structure; the inner side section of the connecting rope is connected with the frame body;
the side wall of the pipe body is provided with through holes which are suitable for the connecting ropes to pass out, and one end of the pipe body, which is far away from the installation position of the filter screen, is provided with a disassembly opening;
under the action of the tensile force of the connecting rope, the filter screen has the degree of freedom suitable for sliding towards the dismounting port; when the filter screen is positioned at the disassembly opening, the filter screen slides out of the inside of the pipe body under the action of self gravity;
the pipe body is connected with an ash receiving structure, and the ash receiving structure is provided with a containing cavity; in the process that the filter screen slides towards the disassembly opening, the accommodating cavity is positioned right below the disassembly opening.
In one possible implementation manner, both ends of the connecting rope are provided with fixing parts, and the frame body is provided with a containing groove which is suitable for being detachably connected with the fixing parts;
the width of the disassembly opening is the same as that of the frame body, and the thickness of the fixing part is smaller than or equal to the depth of the accommodating groove.
In one possible implementation manner, a threaded hole is formed in the bottom wall of the accommodating groove, a counter bore aligned with the threaded hole is formed in the fixing portion, and the fixing portion is connected with the frame body through a bolt.
In one possible implementation, one side of the accommodating groove is provided with a first clamping groove, and one side of the fixing part is provided with a second clamping groove which is suitable for being aligned with the clamping groove;
the second clamping groove is internally provided with a clamping block and an elastic piece, and the clamping block has a degree of freedom suitable for sliding along the second clamping groove; two ends of the elastic piece are respectively connected with the clamping block and the inner wall of the second clamping groove;
when the fixing part is in plug-in fit with the accommodating groove, the clamping block is in plug-in fit with the first clamping groove under the elastic action of the elastic piece.
In one possible implementation manner, an avoidance groove suitable for being communicated with the second clamping groove is formed on the outer side of the fixing part, and a sliding rod suitable for extending to the avoidance groove is arranged on the clamping block;
when the fixing part is detached, the sliding rod is suitable for sliding towards the bottom wall of the second clamping groove so as to separate the clamping block from the first clamping groove.
In one possible implementation manner, the pipe body is provided with hanging rings at two sides of the disassembly opening, and the ash receiving structure comprises an ash receiving box, and the ash receiving box is provided with a hook connected with the hanging rings.
In one possible implementation manner, a sealing plate is arranged at the position of the disassembly opening at the bottom of the pipe body, and is in sliding fit with the pipe body to seal or open the disassembly opening;
the bottom of the pipe body is fixedly provided with a guide part, and the guide part is provided with a chute suitable for sliding fit with the sealing plate.
In one possible implementation, one end of the sealing plate has a curved portion adapted to curve downwardly.
In one possible embodiment, the outer wall of the tube body has a support plate adapted to support the outer section of the connecting rope.
In one possible implementation manner, the pipe body is provided with a limiting part at the installation position of the filter screen, and the limiting part is suitable for limiting the filter screen when the filter screen slides to the installation position.
In the embodiment of the application, when the inner side wall of the pipe body is cleaned and the filter screen is replaced, the outer side section of the connecting rope is pulled, so that the filter screen can slide from the installation position to the position of the disassembly opening, and further the frame body of the filter screen scrapes off foreign matters on the inner wall of the pipe body; in the sliding process of the filter screen, scraped foreign matters are accumulated on one side, close to the disassembly opening, of the filter screen and discharged from the disassembly opening, and the ash receiving structure below the disassembly opening can receive the foreign matters, so that the foreign matters falling to the ground are reduced. When the filter screen slides to the position of the disassembly opening, the filter screen slides downwards out of the pipe body under the action of self gravity, so that the filter screen can be disassembled. After the filter screen is replaced, the process of installing the filter screen in the pipe body is approximately the same as the process of sliding the filter screen out of the pipe body, and the description is omitted here.
Compared with the prior art, the fire-fighting ventilation pipeline provided by the utility model has the advantages that the filter screen can be detached and installed by pulling the connecting rope, the filter screen can also clean the inner wall of the pipeline in the process of detaching the filter screen, the pipeline is not required to be frequently detached, and the work efficiency is convenient to improve.
Drawings
Fig. 1 is a schematic view of a fire protection ventilation duct according to an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an enlarged schematic view of section B of FIG. 1;
FIG. 4 is a schematic cross-sectional view of a fire protection ventilation duct according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a frame portion of a fire ventilation duct according to an embodiment of the present utility model;
fig. 6 is an enlarged schematic view of the portion C in fig. 5.
Reference numerals illustrate: 1. a tube body; 11. a connecting flange; 12. a disassembly port; 13. a guide part; 131. a chute; 14. a bearing plate; 2. a connecting rope; 21. an outer section; 22. an inner section; 23. a fixing part; 231. an avoidance groove; 3. a frame; 31. a receiving groove; 311. a first clamping groove; 32. a clamping block; 321. a slide bar; 33. an elastic member; 4. a sealing plate; 41. a bending portion; 5. and a limiting part.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 6, a fire-fighting ventilation duct according to the present utility model will be described. The fire-fighting ventilation pipeline comprises a pipeline body 1, a filter screen and a connecting rope 2; connecting flanges 11 are fixedly arranged at two ends of the pipe body 1; the filter screen is arranged at one end of the inside of the pipe body 1; the outer peripheral wall of the filter screen is fixedly connected with a frame body 3, and the outer peripheral wall of the frame body 3 is suitable for being contacted with the inner peripheral wall of the pipe body 1; the connecting rope 2 comprises an outer side section 21 arranged outside the pipe body 1 and an inner side section 22 arranged inside the pipe body 1, wherein the inner side section 22 and the outer side section 21 form a closed loop structure; the inner section 22 of the connecting rope 2 is connected with the frame body 3; wherein, the side wall of the pipe body 1 is provided with through holes which are suitable for the connecting ropes 2 to pass out at the positions close to the two ends of the side wall, and one end of the pipe body 1 far away from the installation position of the filter screen is provided with a disassembly opening 12; under the action of the pulling force of the connecting rope 2, the filter screen has the freedom degree suitable for sliding towards the dismounting port 12; when the filter screen is positioned at the disassembly opening 12, the filter screen slides out of the inside of the pipe body 1 under the action of self gravity; the pipe body 1 is connected with an ash receiving structure (not shown in the figure), and the ash receiving structure is provided with a containing cavity; in the process of sliding the filter screen towards the disassembly opening 12, the accommodating cavity is positioned right below the disassembly opening 12.
In the embodiment of the application, when the inner side wall of the pipe body 1 is cleaned and the filter screen is replaced, the outer side section 21 of the connecting rope 2 is pulled, so that the filter screen can slide from the installation position to the position of the dismounting port 12, and the frame body 3 of the filter screen can scrape off foreign matters on the inner wall of the pipe body 1; in the sliding process of the filter screen, scraped foreign matters are accumulated on one side, close to the disassembly opening 12, of the filter screen and discharged from the disassembly opening 12, and the ash receiving structure below the disassembly opening 12 can receive the foreign matters, so that the foreign matters falling to the ground are reduced. When the filter screen slides to the position of the disassembly opening 12, the filter screen slides downwards out of the pipe body 1 under the action of self gravity, so that the filter screen can be disassembled. After the filter screen is replaced, the process of installing the filter screen in the pipe body 1 is approximately the same as the process of sliding the filter screen out of the pipe body 1, and will not be described again. The sealing sleeve is fixedly arranged on the through hole of the pipe body 1, through which the connecting rope 2 passes, and through the arrangement, the gas leaked from the through hole can be reduced.
Compared with the prior art, the fire-fighting ventilation pipeline provided by the utility model has the advantages that the filter screen can be detached and installed by pulling the connecting rope 2, the filter screen can also clean the inner wall of the pipeline 1 in the process of detaching the filter screen, the pipeline 1 is not required to be frequently detached, and the work efficiency is convenient to improve.
The indoor ventilation pipeline is formed by assembling a plurality of sections of pipe bodies 1, and the adjacent pipe bodies 1 are connected through connecting flanges 11. After the pipe body 1 is installed, and when the pipe body 1 is used normally, air is blown from one end of the pipe body 1 provided with the disassembly opening 12 to one end of the pipe body 1 provided with the filter screen; the disassembly opening 12 on the pipe body 1 is closed by the sealing plate 4; when the filter screen needs to be replaced and the inner wall surface of the pipe body 1 is cleaned, the sealing plate 4 opens the dismounting port 12. Through the mode of connecting rope 2 pulling filter screen, need not to dismantle body 1 just can accomplish the change to the filter screen to and the clearance to body 1 inner wall. In addition, the length of the connecting rope 2 is enough to enable the filter screen to fall out of the pipe body 1 from the dismounting port 12, so that the filter screen is convenient to replace. One end of the sealing plate 4 has a curved portion 41 adapted to bend downwardly, and by means of the curved portion 41 on the sealing plate 4, an operator can easily slide the sealing plate 4.
Specifically, the bottom of the pipe body 1 is provided with a sealing plate 4 at the position of the dismounting opening 12, and the sealing plate 4 is in sliding fit with the pipe body 1 to seal or open the dismounting opening 12; the bottom of the tube body 1 is fixedly provided with a guide part 13, and the guide part 13 is provided with a chute 131 which is suitable for sliding fit with the sealing plate 4. The sliding direction of the sealing plate 4 is the same as the sliding direction of the filter screen, and the sliding direction of the sealing plate is along the length direction of the pipe body 1; the sealing plate 4 is provided with a limit in the height direction by the guide portion 13, so that the sliding of the sealing plate 4 can be guided, so that the sealing plate 4 can close or open the dismounting port 12 on the pipe body 1.
Specifically, the outer side wall of the pipe body 1 is fixedly provided with the bearing plate 14 suitable for bearing the outer section 21 of the connecting rope 2, and the outer side wall of the pipe body 1 is provided with the bearing plate 14, so that the outer section 21 of the connecting rope 2 can be supported, and further, the natural sagging of the connecting rope 2 can be reduced. The two sides of the pipe body 1 are provided with the connecting ropes 2, so that the two connecting ropes 2 provide tension for the filter screen, and the filter screen is conveniently pulled to the position of the disassembly opening 12 of the pipe body 1. The pipe body 1 is internally provided with a limiting part 5 at the installation position of the filter screen, and the limiting part 5 is suitable for limiting the filter screen when the filter screen slides to the installation position. The position of the inside of the pipe body 1 and the position of the disassembly opening 12 can be provided with a limiting part 5, and when the filter screen slides to the position right above the disassembly opening 12, the filter screen can be limited, so that the condition that the filter screen slides too much is avoided.
In some embodiments, as shown in fig. 1 to 6, both ends of the connecting rope 2 are provided with fixing parts 23, and the frame 3 is provided with a containing groove 31 which is suitable for being detachably connected with the fixing parts 23; the width of the detachable opening 12 is the same as the width of the frame 3, and the thickness of the fixing portion 23 is equal to or less than the depth of the accommodating groove 31.
It should be noted that, since the thickness of the fixing portion 23 is less than or equal to the depth of the accommodating groove 31, after the fixing portion 23 is inserted into the accommodating groove 31, the outer side of the fixing portion 23 does not extend out of the frame 3, so that when the filter screen slides to the position of the dismounting port 12, the interference of the fixing portion 23 to the downward sliding of the filter screen can be avoided, and the filter screen can slide downward out of the pipe 1 conveniently.
In some embodiments, as shown in fig. 1 to 6, a threaded hole is formed in the bottom wall of the accommodating groove 31, a counter bore aligned with the threaded hole is formed in the fixing portion 23, and the fixing portion 23 is connected to the frame 3 by a bolt. After the fixing portion 23 is inserted into the accommodating groove 31, the counter bore in the fixing portion 23 is aligned with the screw hole in the accommodating groove 31, and at this time, the fixing portion 23 can be fixed to the housing 3 by connecting the screw with the screw hole in the accommodating groove 31.
When the fixing portion 23 is fixed by the bolt, the head of the bolt is entirely located in the counterbore, so that the bolt can be prevented from interfering with the downward sliding of the filter screen.
In some embodiments, as shown in fig. 1 to 6, one side of the accommodating groove 31 has a first clamping groove 311, and one side of the fixing portion 23 has a second clamping groove adapted to align with the clamping groove; the second clamping groove is internally provided with a clamping block 32 and an elastic piece 33, and the clamping block 32 has a degree of freedom suitable for sliding along the second clamping groove; two ends of the elastic piece 33 are respectively connected with the clamping block 32 and the inner wall of the second clamping groove; when the fixing portion 23 is in plug-in fit with the accommodating groove 31, the clamping block 32 is in plug-in fit with the first clamping groove 311 under the elastic force of the elastic member 33.
When the fixing portion 23 is inserted into the accommodating groove 31, the second locking groove is aligned with the first locking groove 311, and at this time, the locking piece 32 is ejected by the elastic force of the elastic member 33, and a part of the locking piece 32 is inserted into the first locking groove 311, so that the fixing portion 23 can be fixed in the housing 3. The elastic member 33 is a spring, one end of the spring is fixed on the bottom wall of the second clamping groove, and the other end of the spring is fixed on the clamping block 32.
In some embodiments, as shown in fig. 1 to 6, the outer side of the fixing portion 23 has a avoidance groove 231 adapted to communicate with the second clamping groove, and the clamping block 32 has a sliding rod 321 adapted to extend to the avoidance groove 231; when the fixing portion 23 is detached, the slide bar 321 is adapted to slide toward the bottom wall of the second clamping groove, so that the clamping block 32 is separated from the first clamping groove 311.
It should be noted that, when the filter screen is disassembled, the sliding rod 321 can overcome the elastic force of the elastic member 33, so as to separate the clamping block 32 from the first clamping groove 311; after the first clamping groove 311 is separated from the opening, the fixing part 23 is conveniently taken out from the accommodating groove 31 of the frame body 3, and the filter screen is further taken down from the connecting rope 2.
In some embodiments, as shown in fig. 1 to 6, the two sides of the disassembly opening 12 of the pipe body 1 are provided with hanging rings, and the ash receiving structure comprises an ash receiving box, and the ash receiving box is provided with a hook connected with the hanging rings. It should be noted that, when the pipe body 1 is used normally, the ash receiving box is placed on the top of the pipe body 1; when the filter screen needs to be replaced, the ash receiving box is placed below the pipe body 1, and the hooks on the ash receiving box are connected to the hanging rings; at this time, the ash receiving box is located under the disassembly opening 12, and when the foreign matters fall from the disassembly opening 12, the ash receiving box can receive the foreign matters, so that the foreign matters can be conveniently and intensively treated.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A fire ventilation duct, comprising:
the two ends of the pipe body are fixedly provided with connecting flanges;
the filter screen is arranged at one end of the inside of the pipe body; the outer peripheral wall of the filter screen is fixedly connected with a frame body, and the outer peripheral wall of the frame body is suitable for being contacted with the inner peripheral wall of the pipe body; and
the connecting rope comprises an outer side section arranged outside the pipe body and an inner side section arranged inside the pipe body, and the inner side section and the outer side section form a closed loop structure; the inner side section of the connecting rope is connected with the frame body;
the side wall of the pipe body is provided with through holes which are suitable for the connecting ropes to pass out, and one end of the pipe body, which is far away from the installation position of the filter screen, is provided with a disassembly opening;
under the action of the tensile force of the connecting rope, the filter screen has the degree of freedom suitable for sliding towards the dismounting port; when the filter screen is positioned at the disassembly opening, the filter screen slides out of the inside of the pipe body under the action of self gravity;
the pipe body is connected with an ash receiving structure, and the ash receiving structure is provided with a containing cavity; in the process that the filter screen slides towards the disassembly opening, the accommodating cavity is positioned right below the disassembly opening.
2. The fire ventilation pipeline as claimed in claim 1, wherein the connecting rope has fixing parts at both ends, and the frame body has a receiving groove adapted to be detachably connected with the fixing parts;
the width of the disassembly opening is the same as that of the frame body, and the thickness of the fixing part is smaller than or equal to the depth of the accommodating groove.
3. A fire ventilation duct according to claim 2, wherein the bottom wall of the receiving recess is provided with a threaded hole, the fixing portion is provided with a counter bore aligned with the threaded hole, and the fixing portion is connected to the frame body by a bolt.
4. A fire ventilation duct according to claim 2, wherein one side of the receiving recess has a first detent and one side of the securing portion has a second detent adapted to align with the detent;
the second clamping groove is internally provided with a clamping block and an elastic piece, and the clamping block has a degree of freedom suitable for sliding along the second clamping groove; two ends of the elastic piece are respectively connected with the clamping block and the inner wall of the second clamping groove;
when the fixing part is in plug-in fit with the accommodating groove, the clamping block is in plug-in fit with the first clamping groove under the elastic action of the elastic piece.
5. The fire ventilation pipeline as claimed in claim 4, wherein the outer side of the fixing part is provided with a avoiding groove which is suitable for being communicated with the second clamping groove, and the clamping block is provided with a sliding rod which is suitable for extending to the avoiding groove;
when the fixing part is detached, the sliding rod is suitable for sliding towards the bottom wall of the second clamping groove so as to separate the clamping block from the first clamping groove.
6. The fire ventilation pipeline as claimed in claim 1, wherein the pipe body is provided with hanging rings at both sides of the disassembly opening, the ash receiving structure comprises an ash receiving box, and the ash receiving box is provided with a hook connected with the hanging rings.
7. A fire ventilation duct according to claim 1, wherein the bottom of the tube has a sealing plate at the location of the removal opening, the sealing plate being in sliding engagement with the tube to close or open the removal opening;
the bottom of the pipe body is fixedly provided with a guide part, and the guide part is provided with a chute suitable for sliding fit with the sealing plate.
8. A fire ventilation duct according to claim 7, wherein one end of the sealing plate has a curved portion adapted to curve downwardly.
9. A fire ventilation duct according to claim 1, wherein the outer side wall of the duct body has a support plate adapted to support the outer section of the connecting rope.
10. A fire ventilation duct according to claim 1, wherein the tube body has a limit portion at the mounting position of the filter screen, the limit portion being adapted to limit the filter screen when the filter screen is slid to the mounting position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320118269.4U CN219062739U (en) | 2023-01-18 | 2023-01-18 | Fire-fighting ventilation pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320118269.4U CN219062739U (en) | 2023-01-18 | 2023-01-18 | Fire-fighting ventilation pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219062739U true CN219062739U (en) | 2023-05-23 |
Family
ID=86348374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320118269.4U Active CN219062739U (en) | 2023-01-18 | 2023-01-18 | Fire-fighting ventilation pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219062739U (en) |
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2023
- 2023-01-18 CN CN202320118269.4U patent/CN219062739U/en active Active
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