CN215719600U - Low-noise explosion-proof pipeline centrifugal fan - Google Patents
Low-noise explosion-proof pipeline centrifugal fan Download PDFInfo
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- CN215719600U CN215719600U CN202121448463.6U CN202121448463U CN215719600U CN 215719600 U CN215719600 U CN 215719600U CN 202121448463 U CN202121448463 U CN 202121448463U CN 215719600 U CN215719600 U CN 215719600U
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Abstract
The utility model discloses a low-noise explosion-proof pipeline centrifugal fan which comprises a fan main body and a connecting pipe, wherein fixed pipes are fixedly connected to two sides of the fan main body and detachably connected with the connecting pipe; rotate on the fixed pipe and be connected with the threaded rod, be provided with two sets of opposite direction's helicitic texture on the threaded rod, the threaded rod is connected with the dead lever through helicitic texture, the inside of dead lever is provided with holds the cavity, it is provided with first spring in the cavity to hold, the inner wall of first spring and dead lever, fixture block fixed connection, the fixture block rotates with the dead lever to be connected, the top sliding connection of connecting pipe has the push rod, the push rod is used for promoting the fixture block, make its rotatory entering hold in the cavity, be provided with the through-hole with dead lever adaptation on the fixed pipe. The utility model provides a low-noise explosion-proof pipeline centrifugal fan, which is characterized in that a clamping block is clamped in a connecting pipe to realize the connection of the connecting pipe and a fixed pipe, the operation is simple and convenient, and the mounting and dismounting efficiency of the fixed pipe and the connecting pipe is improved.
Description
Technical Field
The utility model relates to the technical field of centrifugal fans, in particular to a low-noise explosion-proof pipeline centrifugal fan.
Background
Centrifugal fans are machines that increase gas pressure and discharge gas by means of input mechanical energy, and are widely used for ventilation, dust removal, and cooling of factories, mines, tunnels, cooling towers, vehicles, ships, and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.
The existing low-noise explosion-proof pipeline centrifugal fan is connected with a pipeline through a plurality of bolts when being installed, and the installation mode is complicated, so that the installation and disassembly efficiency of the centrifugal fan is low.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the background art, the utility model provides the low-noise explosion-proof pipeline centrifugal fan, the connection between the connecting pipe and the fixed pipe is realized by clamping the clamping block into the connecting pipe, the operation is simple and convenient, and the installation and disassembly efficiency of the fixed pipe and the connecting pipe is improved.
In order to achieve the above purpose, the utility model provides the following technical scheme: a low-noise explosion-proof pipeline centrifugal fan comprises a fan main body and a connecting pipe, wherein fixed pipes are fixedly connected to two sides of the fan main body, and the fixed pipes are detachably connected with the connecting pipe;
the fan main body is fixedly connected with a limiting block, the top and the bottom of the fixed pipe are rotatably connected with threaded rods, the threaded rod is provided with two groups of thread structures with opposite directions, the threaded rod is connected with a fixed rod through the thread structures, the fixed rod penetrates through the limit block and is connected with the limit block in a sliding way, an accommodating cavity is arranged inside the fixed rod, a first spring is arranged in the accommodating cavity, one end of the first spring is fixedly connected with the inner wall of the fixed rod, the other end of the first spring is fixedly connected with the clamping block, the clamping block is triangular, the clamping block is rotationally connected with the fixed rod, a cavity matched with the fixed rod and the clamping block is arranged on the connecting pipe, the top sliding connection of connecting pipe has the push rod, the push rod is used for promoting the fixture block, makes its rotation get into and holds in the cavity, be provided with on the fixed pipe with the through-hole that the dead lever adaptation.
By adopting the scheme, the fixture block is positioned between the connecting pipe and the fixed pipe, when the connecting pipe is assembled with the fixed pipe, the threaded rod is rotated to drive the fixed rod to move along the horizontal direction, when the fixture block moves to the position of the fixed pipe, the fixture block is extruded by the fixed pipe due to the existence of the through hole, the threaded rod is continuously rotated, the fixture block gradually rotates to be flush with the fixed rod, and the first spring is compressed simultaneously until the fixed rod and the fixture block enter a cavity arranged in the connecting pipe, at the moment, the first spring extends, and the fixture block is fixedly clamped with the connecting pipe, so that the fixed pipe and the connecting pipe are fixedly fixed; when dismantling fixed pipe and connecting pipe, press the push rod, the push rod promotes the fixture block and rotates, makes the fixture block get into and holds in the cavity and flush with the dead lever, rotates the threaded rod simultaneously, makes the dead lever to center department's removal, and the dead lever shifts out the back in following connecting pipe and the fixed pipe, and first spring extends, drives the fixture block and screws out from holding in the cavity.
Preferably, the two sides of the push rod are fixedly connected with press plates, and a second spring is fixedly connected between the press plates and the connecting pipe.
Adopt above-mentioned scheme, when dismantling fixed pipe and connecting pipe, press the push rod, the clamp plate moves down, and the second spring is compressed, and the push rod promotes the fixture block and rotates, makes the fixture block get into and holds in the cavity and flush with the dead lever, rotates the threaded rod simultaneously, makes the dead lever move to central department, and when stopping pressing the push rod, the second spring extends, drives clamp plate and push rod and removes, makes clamp plate and push rod resume to the original position, avoids influencing the installation of fixed pipe and connecting pipe.
Preferably, the push rod is connected with a limiting rod through a threaded structure, and the connecting pipe is provided with a threaded hole matched with the limiting rod.
Adopt above-mentioned scheme, when dismantling connecting pipe and fixed pipe, rotate the gag lever post, make the gag lever post screw in threaded hole completely, the fixture block gets into and holds in the cavity and flush with the dead lever this moment, then rotate the threaded rod, make the dead lever to center department's removal, the dead lever shifts out the back from connecting pipe and fixed pipe in, first spring extends, drive the fixture block and screw out in holding the cavity, then rotate the gag lever post, make gag lever post and screw hole break away from, the gag lever post and the screw hole that set up are convenient for operating personnel and are dismantled fixed pipe and connecting pipe.
Preferably, the two sides of the threaded rod are fixedly connected with rotating wheels.
By adopting the scheme, the threaded rod is convenient for operators to rotate.
Preferably, the fixing rod is in an 'L' shape.
Preferably, a sealing gasket is arranged at the joint of the connecting pipe and the fixing pipe.
By adopting the scheme, the sealing performance between the connecting pipe and the fixing pipe can be improved.
Compared with the prior art, the utility model has the following beneficial effects:
(1) threaded rod, dead lever, stopper, the cooperation that holds cavity, first spring, fixture block, push rod, cavity, through-hole are used, can fix fixed pipe and connecting pipe fastening through rotating the threaded rod, and it can dismantle fixed pipe and connecting pipe to promote the push rod to remove to rotate the threaded rod simultaneously, and easy operation is convenient, has improved the installation and the dismantlement efficiency of fixed pipe and connecting pipe.
(2) The second spring that sets up can make clamp plate and push rod resume to the original position, avoids influencing the installation of fixed pipe and connecting pipe.
(3) The stop lever and the threaded hole that set up are convenient for operating personnel to dismantle fixed pipe and connecting pipe.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
In the figure: 1. a fan main body; 2. a fixed tube; 3. a connecting pipe; 4. a rotating wheel; 5. a threaded rod; 6. fixing the rod; 7. a receiving cavity; 8. a first spring; 9. a clamping block; 10. a threaded hole; 11. a second spring; 12. pressing a plate; 13. a push rod; 14. a limiting rod; 15. and a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the utility model provides a low-noise explosion-proof pipeline centrifugal fan, which comprises a fan main body 1 and a connecting pipe 3, wherein two sides of the fan main body 1 are fixedly connected with fixed pipes 2, and the fixed pipes 2 are detachably connected with the connecting pipe 3;
the fan main body 1 is fixedly connected with a limiting block 15, the top and the bottom of the fixed pipe 2 are rotatably connected with a threaded rod 5, the threaded rod 5 is provided with two sets of thread structures with opposite directions, the threaded rod 5 is connected with a fixed rod 6 through the thread structures, the fixed rod 6 penetrates through the limiting block 15 and is in sliding connection with the limiting block 15, the fixed rod 6 is internally provided with a containing cavity 7, the containing cavity 7 is internally provided with a first spring 8, one end of the first spring 8 is fixedly connected with the inner wall of the fixed rod 6, the other end of the first spring is fixedly connected with a clamping block 9, the clamping block 9 is in a triangular shape, the clamping block 9 is rotatably connected with the fixed rod 6, the connecting pipe 3 is provided with the fixed rod 6, the top of connecting pipe 3 is connected with push rod 13 in sliding mode, and push rod 13 is used for promoting fixture block 9 and makes it rotatory entering accommodate cavity 7, is provided with the through-hole with dead lever 6 adaptation on the fixed tube 2.
The clamping block 9 is positioned between the connecting pipe 3 and the fixed pipe 2, when the connecting pipe 3 is assembled with the fixed pipe 2, the threaded rod 5 is rotated to drive the fixed rod 6 to move along the horizontal direction, when the clamping block 9 moves to the position of the fixed pipe 2, the clamping block 9 is extruded by the fixed pipe 2 due to the existence of the through hole, the threaded rod 5 continues to be rotated, the clamping block 9 gradually rotates to be flush with the fixed rod 6, the first spring 8 is compressed at the same time, until the fixed rod 6 and the clamping block 9 enter a cavity arranged in the connecting pipe 3, the first spring 8 extends at the moment, and the clamping block 9 is fixedly clamped with the connecting pipe 3, so that the fixed pipe 2 and the connecting pipe 3 are fixedly fixed; when dismantling fixed pipe 2 and connecting pipe 3, press push rod 13, push rod 13 promotes fixture block 9 and rotates, makes fixture block 9 flush with dead lever 6 in getting into and holding cavity 7, rotates threaded rod 5 simultaneously, makes dead lever 6 remove to center department, and after dead lever 6 shifts out from connecting pipe 3 and fixed pipe 2, first spring 8 extends, drives fixture block 9 and screws out in holding cavity 7.
The two sides of the push rod 13 are fixedly connected with a press plate 12, and a second spring 11 is fixedly connected between the press plate 12 and the connecting pipe 3.
When dismantling fixed pipe 2 and connecting pipe 3, press push rod 13, clamp plate 12 downstream, second spring 11 is compressed, push rod 13 promotes fixture block 9 and rotates, make fixture block 9 flush with dead lever 6 in getting into holding cavity 7, simultaneously, rotation threaded rod 5 makes dead lever 6 move to center department, when stopping pressing push rod 13, second spring 11 extends, drive clamp plate 12 and push rod 13 and remove, make clamp plate 12 and push rod 13 resume to the original position, avoid influencing the installation of fixed pipe 2 and connecting pipe 3.
The push rod 13 is connected with a limit rod 14 through a thread structure, and the connecting pipe 3 is provided with a threaded hole 10 matched with the limit rod 14.
When dismantling connecting pipe 3 and fixed pipe 2, rotate gag lever post 14, make gag lever post 14 screw hole 10 completely precession, fixture block 9 gets into and holds and level with dead lever 6 in the cavity 7 this moment, then rotate threaded rod 5, make dead lever 6 to the removal of center department, dead lever 6 shifts out the back from connecting pipe 3 and fixed pipe 2, first spring 8 extends, drive fixture block 9 and screw out from holding in the cavity 7, then rotate gag lever post 14, make gag lever post 14 break away from with screw hole 10, the gag lever post 14 and the screw hole 10 that set up are convenient for operating personnel to dismantle fixed pipe 2 and connecting pipe 3.
The two sides of the threaded rod 5 are fixedly connected with the rotating wheels 4, so that an operator can conveniently rotate the threaded rod 5.
The fixing rod 6 is L-shaped.
The joint of connecting pipe 3 and fixed pipe 2 is provided with sealed the pad, can improve the leakproofness between connecting pipe 3 and the fixed pipe 2.
The working principle is as follows: when the connecting pipe 3 and the fixed pipe 2 are assembled, the threaded rod 5 is rotated to drive the fixed rod 6 to move along the horizontal direction, when the fixture block 9 moves to the position of the fixed pipe 2, the fixture block 9 is extruded by the fixed pipe 2 due to the existence of the through hole, the threaded rod 5 is continuously rotated, the fixture block 9 gradually rotates to be flush with the fixed rod 6, the first spring 8 is compressed at the same time until the fixed rod 6 and the fixture block 9 enter a cavity arranged in the connecting pipe 3, at the moment, the first spring 8 extends, and the fixture block 9 is fixedly connected with the connecting pipe 3 in a clamping mode, so that the fixed pipe 2 and the connecting pipe 3 are fixedly fixed;
when dismantling connecting pipe 3 and fixed pipe 2, rotate gag lever post 14, make gag lever post 14 screw hole 10 completely precession, fixture block 9 gets into and holds and level with dead lever 6 in cavity 7 this moment, then rotate threaded rod 5, make dead lever 6 remove to central department, dead lever 6 shifts out the back from connecting pipe 3 and fixed pipe 2, first spring 8 extends, drive fixture block 9 and screw out from holding cavity 7, then utilize runner 4 to rotate gag lever post 14, make gag lever post 14 break away from with screw hole 10, second spring 11 extends, drive clamp plate 12 and push rod 13 resume to the original position, avoid influencing the installation of connecting pipe 3 and fixed pipe 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A low-noise explosion-proof pipeline centrifugal fan comprises a fan main body (1) and a connecting pipe (3), wherein fixed pipes (2) are fixedly connected to two sides of the fan main body (1), and the fixed pipes (2) are detachably connected with the connecting pipe (3);
the novel fan is characterized in that a limiting block (15) is fixedly connected to the fan main body (1), a threaded rod (5) is connected to the top and the bottom of the fixed pipe (2) in a rotating mode, a two sets of threaded structures opposite in direction are arranged on the threaded rod (5), a fixed rod (6) is connected to the threaded rod (5) through the threaded structures, the fixed rod (6) penetrates through the limiting block (15) and is in sliding connection with the limiting block (15), a containing cavity (7) is arranged inside the fixed rod (6), a first spring (8) is arranged in the containing cavity (7), one end of the first spring (8) is fixedly connected with the inner wall of the fixed rod (6), the other end of the first spring is fixedly connected with a clamping block (9), the clamping block (9) is in a triangular shape, the clamping block (9) is rotatably connected with the fixed rod (6), and a connecting pipe (3) is provided with the fixed rod (6), The cavity that fixture block (9) adaptation, the top sliding connection of connecting pipe (3) has push rod (13), push rod (13) are used for promoting fixture block (9) and make its rotation get into and hold in cavity (7), be provided with on fixed pipe (2) with the through-hole of dead lever (6) adaptation.
2. The low-noise explosion-proof pipeline centrifugal fan according to claim 1, wherein pressure plates (12) are fixedly connected to two sides of the push rod (13), and a second spring (11) is fixedly connected between the pressure plates (12) and the connecting pipe (3).
3. The low-noise explosion-proof pipeline centrifugal fan according to claim 1 or 2, wherein a limit rod (14) is connected to the push rod (13) through a threaded structure, and a threaded hole (10) matched with the limit rod (14) is formed in the connecting pipe (3).
4. A low noise explosion-proof pipe centrifugal fan according to claim 1, wherein the two sides of the threaded rod (5) are fixedly connected with rotating wheels (4).
5. A low noise explosion-proof pipe centrifugal fan according to claim 1, wherein the fixing rod (6) is L-shaped.
6. A low-noise explosion-proof pipeline centrifugal fan according to claim 1, wherein a sealing gasket is arranged at the joint of the connecting pipe (3) and the fixed pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121448463.6U CN215719600U (en) | 2021-06-28 | 2021-06-28 | Low-noise explosion-proof pipeline centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121448463.6U CN215719600U (en) | 2021-06-28 | 2021-06-28 | Low-noise explosion-proof pipeline centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215719600U true CN215719600U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121448463.6U Active CN215719600U (en) | 2021-06-28 | 2021-06-28 | Low-noise explosion-proof pipeline centrifugal fan |
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| Country | Link |
|---|---|
| CN (1) | CN215719600U (en) |
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2021
- 2021-06-28 CN CN202121448463.6U patent/CN215719600U/en active Active
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Address after: Room 904, Floor 9, Building 2, Yard 2, Jinguan North Second Road, Nanfaxin Town, Shunyi District, Beijing 101300 Patentee after: Beijing Haisheng Hongyu Construction and Development Co.,Ltd. Address before: 101300 room 908, floor 9, building 2, yard 2, Jinguan North 2nd Road, Nanfaxin Town, Shunyi District, Beijing Patentee before: Beijing Haisheng Hongyu electromechanical installation Co.,Ltd. |