CN220227263U - Air leakage prevention device for fan pipeline - Google Patents
Air leakage prevention device for fan pipeline Download PDFInfo
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- CN220227263U CN220227263U CN202321344234.9U CN202321344234U CN220227263U CN 220227263 U CN220227263 U CN 220227263U CN 202321344234 U CN202321344234 U CN 202321344234U CN 220227263 U CN220227263 U CN 220227263U
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- air inlet
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- 230000002265 prevention Effects 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 210000001503 joint Anatomy 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009423 ventilation Methods 0.000 abstract 2
- 230000001939 inductive effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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Abstract
The utility model discloses an air leakage prevention device for a fan pipeline, which relates to the technical field of fan pipelines and comprises a mounting base, wherein a fan body is fixedly arranged at the upper end of the mounting base, an air inlet is formed in the front end of the fan body, an air outlet pipe is arranged at the upper end of the fan body, and a limiting mounting mechanism is movably mounted on the outer surface of the front end of the air inlet. According to the utility model, the problem that the sealing effect of the traditional fan pipeline is poor and the normal operation effect is affected is solved by adopting the joint matching between the butt joint unit and the limit locking unit, the limit structures are additionally arranged on the two sides of the fixed flange and the movable flange by the mutual matching of the first lug plate and the second lug plate, the quick locking between the fixed flange and the movable flange is realized by the arrangement of the limit bolts, the condition that air leakage is caused by gaps between the pipelines is avoided, the sealing performance between the pipelines is improved, and the ventilation effect of the ventilation pipeline is guaranteed.
Description
Technical Field
The utility model relates to the technical field of fan pipelines, in particular to an air leakage preventing device for a fan pipeline.
Background
The existing centrifugal fan and the pipeline joint are usually fixed by directly screwing the flange with bolts, but after long-term use, gaps are easy to appear at the joint due to long-term vibration, so that the phenomenon of air leakage occurs, and if industrial gases are transmitted, air is polluted after leakage; and the position of the air outlet of the air inlet of the existing centrifugal fan is fixed, can not be adjusted, if the positions of pipelines to be connected are not matched, a rack is additionally required to be arranged for installing the centrifugal fan, and the conventional centrifugal fan and the pipeline connecting part are relatively troublesome, and are usually directly screwed with bolts to fix the flange, but after long-time use, gaps are easy to appear at the connecting part due to long-term vibration, and then the phenomenon of air leakage occurs, if industrial gases are transmitted, air can be polluted after leakage, so that the air leakage prevention device for the pipeline of the fan is improved.
The publication number is: the utility model provides a fan pipeline leak protection wind device of CN218207968U, has main body frame, casing, air inlet, check valve plate, sealing rubber layer, the air outlet, owing to set up the check valve plate in the air inlet inboard to be connected through the pivot with the casing, set up sealing rubber layer on the check valve plate internal surface, when fan air feed, increased the leakproofness of check valve plate and casing effectively, avoided the air leakage, improved fan operating efficiency.
In order to solve the problem that the air leakage of a fan pipeline influences the operation efficiency of the fan, the prior art is that the check valve plate is arranged on the inner side of the air inlet and is connected with the shell through the rotating shaft, the sealing rubber layer is arranged on the inner surface of the check valve plate, but the situation that the sealing connection between the pipelines is difficult to realize by the single-layer sealing rubber layer during use can also occur, and then the sealing effect of the fan pipeline is poor and the normal operation effect is influenced.
Disclosure of Invention
The utility model aims to provide an air leakage prevention device for a fan pipeline, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a fan pipeline air leakage prevention device, includes the installation base, the upper end fixed mounting of installation base has the fan body, the air intake has been seted up to the front end of fan body, the upper end of fan body is provided with out the tuber pipe, the front end surface movable mounting of air intake has spacing installation mechanism, the inside of spacing installation mechanism is provided with air leakage prevention mechanism;
the limiting and mounting mechanism comprises a butt joint unit and a limiting and locking unit, and the butt joint unit and the limiting and locking unit are arranged on one side of the fan body;
the leakage-proof air mechanism comprises a sealing unit and an auxiliary air inducing unit, and the auxiliary air inducing unit is arranged at one end of the sealing unit.
The technical scheme of the utility model is further improved as follows: the butt joint unit comprises an air inlet end fixing seat, a fixing flange, a movable flange and a communicating pipeline, and the inner side surface of the air inlet end fixing seat is in through connection with the outer surface of the air inlet.
By adopting the technical scheme, the air inlet end fixing seat is in sealing connection with the outer surface of one side of the mounting base.
The technical scheme of the utility model is further improved as follows: one end of the fixed flange is fixedly connected with the outer side face of the air inlet end fixed seat, and one end of the communicating pipeline is fixedly connected with one end of the movable flange.
By adopting the technical scheme, the movable flanges are the same in size correspondence.
The technical scheme of the utility model is further improved as follows: the limiting locking unit comprises a first lug plate, a second lug plate and a limiting bolt, wherein the first lug plate is fixedly arranged on the outer surfaces of the two sides of the fixed flange, and the second lug plate is fixedly arranged on the outer surfaces of the two sides of the movable flange.
By adopting the technical scheme, the second ear plate and the first ear plate correspond to the jacks with the same size and caliber.
The technical scheme of the utility model is further improved as follows: the inner surfaces of the first and second earplates are respectively provided with auxiliary limiting jacks, and the inner surfaces of the jacks are movably spliced with the outer surfaces of the limiting bolts.
By adopting the technical scheme, the limiting bolt penetrates through the inner wall of the jack and is used for rapidly positioning and locking the fixed flange and the movable flange.
The technical scheme of the utility model is further improved as follows: the sealing unit comprises a sealing rubber ring and a rubber clamping ring, wherein the sealing rubber ring is sleeved on the outer surface of the rubber clamping ring, and the outer surface of the rubber clamping ring is clamped and embedded with the inner wall of the air inlet end fixing seat in a sealing manner.
By adopting the technical scheme, one end of the sealing rubber ring is arranged as the vamp inclined at an angle of 45 degrees.
The technical scheme of the utility model is further improved as follows: the auxiliary air inducing unit comprises an air guide ring, and one end of the air guide ring is fixedly connected with one end of the inner side of the rubber clamping ring.
By adopting the technical scheme, one end of the air guide ring, which is close to the rubber snap ring, is narrower than the caliber of the other end.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides an air leakage prevention device for a fan pipeline, which solves the problems that the sealing effect of the existing fan pipeline is poor and the normal operation effect is influenced by adopting the common cooperation between a butt joint unit and a limiting locking unit.
2. The utility model provides an air leakage prevention device for a fan pipeline, which solves the problem that air leakage is caused by sealing connection between pipelines in the prior art by adopting common cooperation between a sealing unit and an auxiliary air inducing unit.
3. The utility model provides an air leakage prevention device for a fan pipeline, which adopts the common cooperation between a rubber clamping ring and an air guide ring to realize the guiding flow of air introduced into a communicating pipeline, and ensures the normal flow of an air box and improves the normal use effect of the fan through the conical arrangement of the air guide ring.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic view of an exploded perspective view of the present utility model;
FIG. 4 is a schematic perspective sectional view of a spacing mounting mechanism of the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the present utility model.
In the figure: 1. a mounting base; 11. a fan body; 111. an air inlet; 112. an air outlet pipe; 2. a limit mounting mechanism; 3. an air leakage prevention mechanism; 211. an air inlet end fixing seat; 212. a fixed flange; 213. a movable flange; 214. a communication pipe; 221. an ear plate I; 222. an ear plate II; 223. a limit bolt; 311. sealing rubber rings; 312. a rubber snap ring; 321. and an air guide ring.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-5, the utility model provides an air leakage prevention device for a fan pipeline, which comprises a mounting base 1, wherein a fan body 11 is fixedly arranged at the upper end of the mounting base 1, an air inlet 111 is formed in the front end of the fan body 11, an air outlet pipe 112 is arranged at the upper end of the fan body 11, a limit mounting mechanism 2 is movably arranged on the outer surface of the front end of the air inlet 111, and an air leakage prevention mechanism 3 is arranged in the limit mounting mechanism 2; the limiting mounting mechanism 2 comprises a butt joint unit and a limiting locking unit, and the butt joint unit and the limiting locking unit are arranged on one side of the fan body 11; the air leakage prevention mechanism 3 comprises a sealing unit and an auxiliary air inducing unit, wherein the auxiliary air inducing unit is arranged at one end of the sealing unit, the butt joint unit comprises an air inlet end fixing seat 211, a fixing flange 212, a movable flange 213 and a communicating pipeline 214, the inner side surface of the air inlet end fixing seat 211 is in through connection with the outer surface of the air inlet 111, the air inlet end fixing seat 211 is connected with one side of the installation base 1, the sealing through between the air inlet 111 and the air inlet end fixing seat 211 is realized, the risk of air leakage is reduced, one end of the fixing flange 212 is fixedly connected with the outer side surface of the air inlet end fixing seat 211, one end of the communicating pipeline 214 is fixedly connected with one end of the movable flange 213, the fixing flange 212 is tightly connected with the air inlet end fixing seat 211, and the air leakage prevention mechanism is convenient to connect with a pipeline, and the practicability is high.
Example 2
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the limiting locking unit comprises a first lug plate 221, a second lug plate 222 and a limiting bolt 223, wherein the first lug plate 221 is fixedly arranged on the outer surfaces of two sides of the fixed flange 212, the second lug plate 222 is respectively fixedly arranged on the outer surfaces of two sides of the movable flange 213, the limiting structures are additionally arranged on the two sides of the fixed flange 212 and the movable flange 213 through the mutual matching of the first lug plate 221 and the second lug plate 222, the quick positioning between the fixed flange 212 and the movable flange 213 is convenient, the normal use is prevented from being influenced by the installation deviation, auxiliary limiting insertion holes are respectively formed in the inner surfaces of the first lug plate 221 and the second lug plate 222, the inner surfaces of the insertion holes are movably inserted into the outer surfaces of the limiting bolts 223, and the quick limiting locking of the fixed flange 212 and the movable flange 213 is realized through the inner insertion holes respectively inserted into the limiting bolts 223 and the inner parts of the insertion holes arranged in the second lug plate 222 and the first lug plate 221, so that the normal operation effect of the fan is realized.
Example 3
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the sealing unit is including sealing rubber ring 311 and rubber snap ring 312, sealing rubber ring 311 cover is established at the surface of rubber snap ring 312, and the surface of rubber snap ring 312 is sealed to block with the inner wall of air inlet end fixed seat 211, establish the surface at rubber snap ring 312 through sealing rubber ring 311 cover, and then with the rubber snap ring 312 closely scarf joint of connecting air guide ring 321 and sealing rubber ring 311 advance the inside of air inlet end fixed seat 211, increase the laminating degree between rubber snap ring 312 and the inner wall of air inlet end fixed seat 211, reduce the risk of air leakage, the whole validity of hoisting device, auxiliary air guide unit is including air guide ring 321, the one end of air guide ring 321 and the inboard one end fixed connection of rubber snap ring 312, through the toper setting of air guide ring 321, guarantee the normal flow of bellows, promote the normal use effect of fan.
The working principle of the air leakage prevention device for the fan pipeline is specifically described below.
As shown in fig. 1-5, when in use, an air inlet end fixing seat 211 is installed at one side of the air inlet 111, a sealing rubber ring 311 is sleeved on the surface of a rubber clamping ring 312, then the rubber clamping ring 312 connecting an air guide ring 321 and the sealing rubber ring 311 is tightly embedded into the air inlet end fixing seat 211, a user inserts a limiting plug 223 into insertion holes formed in an ear plate two 222 and an ear plate one 221 respectively, so that quick limiting locking of a fixing flange 212 and a movable flange 213 is realized, normal operation effect of a fan is realized, and air leakage is prevented.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (5)
1. The utility model provides a fan pipeline leak protection wind device, is applicable to the leak protection wind of fan pipeline and handles, including mounting base (1), its characterized in that: the air conditioner is characterized in that a fan body (11) is fixedly arranged at the upper end of the mounting base (1), an air inlet (111) is formed in the front end of the fan body (11), an air outlet pipe (112) is arranged at the upper end of the fan body (11), a limit mounting mechanism (2) is movably mounted on the outer surface of the front end of the air inlet (111), and a leakage-proof fan mechanism (3) is arranged in the limit mounting mechanism (2);
the limiting mounting mechanism (2) comprises a butt joint unit and a limiting locking unit, wherein the butt joint unit and the limiting locking unit are arranged on one side of the fan body (11), and the butt joint unit comprises an air inlet end fixing seat (211), a fixing flange (212), a movable flange (213) and a communicating pipeline (214);
leak protection fan constructs (3) including sealing unit and supplementary induced air unit, supplementary induced air unit sets up the one end at sealing unit, sealing unit is including sealed rubber ring (311) and rubber snap ring (312), sealed rubber ring (311) cover is established at the surface of rubber snap ring (312), just the surface of rubber snap ring (312) is sealed inlay card with the inner wall of air inlet end fixed seat (211), supplementary induced air unit is including wind guide ring (321), the one end of wind guide ring (321) is fixed with the inboard one end fixed connection of rubber snap ring (312).
2. The fan duct air leakage prevention device according to claim 1, wherein: the inner side surface of the air inlet end fixing seat (211) is in through connection with the outer surface of the air inlet (111).
3. The fan duct air leakage preventing device according to claim 2, wherein: one end of the fixed flange (212) is fixedly connected with the outer side surface of the air inlet end fixed seat (211), and one end of the communicating pipeline (214) is fixedly connected with one end of the movable flange (213).
4. The fan duct air leakage prevention device according to claim 1, wherein: the limiting locking unit comprises a first lug plate (221), a second lug plate (222) and limiting bolts (223), wherein the first lug plate (221) is fixedly arranged on the outer surfaces of the two sides of the fixed flange (212), and the second lug plate (222) is respectively and fixedly arranged on the outer surfaces of the two sides of the movable flange (213).
5. The fan duct air leakage prevention device according to claim 4, wherein: auxiliary limiting jacks are respectively formed in the inner surfaces of the first lug plate (221) and the second lug plate (222), and the inner surfaces of the jacks are movably connected with the outer surfaces of the limiting bolts (223) in an inserting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321344234.9U CN220227263U (en) | 2023-05-30 | 2023-05-30 | Air leakage prevention device for fan pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321344234.9U CN220227263U (en) | 2023-05-30 | 2023-05-30 | Air leakage prevention device for fan pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227263U true CN220227263U (en) | 2023-12-22 |
Family
ID=89185494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321344234.9U Active CN220227263U (en) | 2023-05-30 | 2023-05-30 | Air leakage prevention device for fan pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227263U (en) |
-
2023
- 2023-05-30 CN CN202321344234.9U patent/CN220227263U/en active Active
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