CN210565224U - Double-vehicle axial flow fan - Google Patents
Double-vehicle axial flow fan Download PDFInfo
- Publication number
- CN210565224U CN210565224U CN201921302334.9U CN201921302334U CN210565224U CN 210565224 U CN210565224 U CN 210565224U CN 201921302334 U CN201921302334 U CN 201921302334U CN 210565224 U CN210565224 U CN 210565224U
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- Prior art keywords
- mounting box
- belt
- fan
- hole
- belt pulley
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- 238000009423 ventilation Methods 0.000 abstract description 13
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of ventilation equipment, especially, be a double-vehicle axial fan, including fan pipeline, motor, first belt pulley, belt and second belt pulley, be equipped with the mounting box in the fan pipeline, the top and the bottom of mounting box all are equipped with the opening, the dwang is installed to the mounting box internal rotation, fixed mounting has the third belt pulley on the dwang, the third belt pulley with the belt contacts, one side fixed mounting of mounting box has the lead screw, threaded sleeve is installed to the screw thread on the lead screw, threaded sleeve extends to outside and fixed mounting of fan pipeline has first hand (hold). The utility model is simple in operation, convenient to use can carry out the tensioning to the belt, and the probability that greatly reduced belt skidded guarantees that the amount of wind is normal, more is favorable to ventilating.
Description
Technical Field
The utility model relates to a ventilation equipment technical field especially relates to a two car axial fan.
Background
Ventilation equipment is a facility for completing ventilation in a building, and is divided into natural ventilation and mechanical ventilation, which are also called ventilation. The ventilation equipment is divided into industrial ventilation equipment and household ventilation equipment, the axial flow fan is also called a local fan, the axial flow fan is a fan commonly used by industrial and mining enterprises and is also used for local ventilation in a refrigeration and purification system, a motor and fan blades of the axial flow fan are arranged in a shell, the installation is convenient, the ventilation and air exchange effect is obvious and safe, and the axial flow fan can be connected with an air pipe to send air to a designated area.
Through retrieval, the authorized notice number is CN204663936U, which comprises a first fan blade and a second fan blade, the first shell and the second shell are connected by screws, the middle part of the first shell and the second shell are both provided with air guide rings, the center of the air guide ring of the first shell is provided with a bearing transmission box, the first fan blade and the second fan blade are respectively arranged at two ends of the bearing transmission box, the second fan blade is positioned between the air guide rings of the first shell and the second shell, the first fan blade and the second fan blade are both provided with eight blades integrally cast by aluminum alloy, the device is additionally provided with an impeller on the basis of the original common fan, the two impellers work simultaneously, the wind pressure is improved by 70 percent compared with the common single-impeller fan, the ventilation effect is strong, and the original advantages of compact structure, small volume and convenient installation and disassembly of the axial flow fan are kept, however, the device has defects, the device uses belt transmission, and the belt has the phenomenon of skidding at the in-process that uses, and the belt skids and can cause transmission speed to reduce, directly influences the rotational speed of fan to reduce the amount of wind, cause adverse effect to the ventilation, for this reason, provide a two car axial fan.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a double-vehicle axial flow fan.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a two car axial fans, includes fan pipeline, motor, first belt pulley, belt and second belt pulley, be equipped with the mounting box in the fan pipeline, the top and the bottom of mounting box all are equipped with the opening, the dwang is installed to the mounting box internal rotation, fixed mounting has the third belt pulley on the dwang, the third belt pulley with the belt contacts, one side fixed mounting of mounting box has the lead screw, threaded sleeve is installed to the screw thread on the lead screw, threaded sleeve extends to fan pipeline is outer and fixed mounting has first hand (hold).
Preferably, a through hole is formed in one side of the fan pipeline, a fixed pipe is fixedly installed in the through hole, a bearing is fixedly installed in the fixed pipe, and an inner ring of the bearing is fixedly connected with the threaded sleeve.
Preferably, a first sliding rod and a second sliding rod are arranged in the fan pipeline, and both the first sliding rod and the second sliding rod penetrate through the mounting box and are in sliding connection with the mounting box.
Preferably, one end of the first sliding rod and one end of the second sliding rod are fixedly connected with the inner wall of the fan pipeline, and a limiting block is fixedly mounted at the other end of the first sliding rod and the other end of the second sliding rod.
Preferably, one side of the mounting box is rotatably provided with a movable door, and one side of the movable door is fixedly provided with a fixed block.
Preferably, one side fixed mounting of mounting box has the L shaped plate, be equipped with the movable rod on the L shaped plate, fixed mounting has the movable plate on the movable rod, the cover is equipped with the spring on the movable rod, the both ends of spring respectively with the movable plate with L shaped plate fixed connection, first through-hole has been seted up on the L shaped plate, the movable rod runs through first through-hole and with first through-hole sliding connection, the second through-hole has been seted up on the fixed block, the movable rod runs through the second through-hole and with second through-hole sliding connection, the recess is seted up to one side of mounting box, the one end of movable rod with recess looks adaptation, the movable rod is kept away from the one end fixed mounting of recess has the second hand (hold).
Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device is characterized in that a fan pipeline, a motor, a first belt pulley, a belt, a second belt pulley, a mounting box, a rotating rod, a third belt pulley, a screw rod, a threaded sleeve, a fixed pipe, a first sliding rod, a second sliding rod, a limiting block, a movable door, a fixed block, an L-shaped plate, a movable rod, a movable plate, a spring, a first handle and a second handle are matched, when the double-vehicle axial flow fan is used, the belt is easy to loosen and slip, so that transmission is influenced, the rotating speed of the fan is directly influenced, and the air quantity is reduced, at the moment, the first handle can be rotated, the first handle rotates to drive the threaded sleeve to rotate, the threaded sleeve rotates to drive the screw rod to move, the screw rod drives the mounting box to move on the first sliding rod and the second sliding rod, the mounting box drives the third belt pulley to move through the rotating rod, the third belt pulley pulls the belt to tension, and the belt, need timely change after the belt fracture, be responsible for influencing the normal use of fan, at this moment, the above-mentioned step of reverse operation, make the third belt pulley be in the position that does not have the tensioning effect to the belt, at the pulling second hand (hold), the second hand (hold) drives the movable rod and removes, the movable rod drives the movable plate and removes, movable plate compression spring, when the second through-hole on the movable rod removal department fixed block, rotate the dodge gate, make the belt enter into the mounting box, reverse rotation dodge gate again, make the fixed block get back to the initial position, run through the first through-hole on the fixed block with the movable rod and extend to the recess on the mounting box in, then, carry out appropriate tensioning to it according to the condition of belt.
The utility model is simple in operation, convenient to use can carry out the tensioning to the belt, and the probability that greatly reduced belt skidded guarantees that the amount of wind is normal, more is favorable to ventilating.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic top view of the portion A in FIG. 2;
fig. 5 is an enlarged view of a portion B in fig. 4.
In the figure: 1. a fan duct; 2. a motor; 3. a first pulley; 4. a belt; 5. a second pulley; 6. mounting a box; 7. rotating the rod; 8. a third belt pulley; 9. a screw rod; 10. a threaded sleeve; 11. a fixed tube; 12. a first slide bar; 13. a second slide bar; 14. a limiting block; 15. a movable door; 16. a fixed block; 17. an L-shaped plate; 18. a movable rod; 19. moving the plate; 20. a spring; 21. a first handle; 22. a second handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a double-vehicle axial flow fan comprises a fan pipeline 1, a motor 2, a first belt pulley 3, a belt 4 and a second belt pulley 5, wherein a mounting box 6 is arranged in the fan pipeline 1, openings are formed in the top and the bottom of the mounting box 6, a rotating rod 7 is rotatably mounted in the mounting box 6, a third belt pulley 8 is fixedly mounted on the rotating rod 7, the third belt pulley 8 is in contact with the belt 4, a lead screw 9 is fixedly mounted on one side of the mounting box 6, a threaded sleeve 10 is mounted on the lead screw 9 in a threaded manner, and the threaded sleeve 10 extends out of the fan pipeline 1 and is fixedly mounted with a first handle 21;
one side of a fan pipeline 1 is provided with a through hole, a fixed pipe 11 is fixedly installed in the through hole, a bearing is fixedly installed in the fixed pipe 11, an inner ring of the bearing is fixedly connected with a threaded sleeve 10, a first slide bar 12 and a second slide bar 13 are arranged in the fan pipeline 1, the first slide bar 12 and the second slide bar 13 both penetrate through a mounting box 6 and are in sliding connection with the mounting box 6, one ends of the first slide bar 12 and the second slide bar 13 are fixedly connected with the inner wall of the fan pipeline 1, the other ends of the first slide bar 12 and the second slide bar 13 are both fixedly installed with a limiting block 14, one side of the mounting box 6 is rotatably installed with a movable door 15, one side of the movable door 15 is fixedly installed with a fixed block 16, one side of the mounting box 6 is fixedly installed with an L-shaped plate 17, a movable rod 18 is arranged on the L-shaped plate 17, a movable plate 19 is fixedly installed on the movable rod 18, a, the L-shaped plate 17 is provided with a first through hole, the movable rod 18 penetrates through the first through hole and is in sliding connection with the first through hole, the fixed block 16 is provided with a second through hole, the movable rod 18 penetrates through the second through hole and is in sliding connection with the second through hole, one side of the mounting box 6 is provided with a groove, one end of the movable rod 18 is matched with the groove, one end, far away from the groove, of the movable rod 18 is fixedly provided with a second handle 22, and the fixed pipe 11, the first sliding rod 12, the second sliding rod 13, the limiting block 14, the movable door 15, the fixed block 16, the L-shaped plate 17, the movable rod 18, the movable plate 19, the spring 20, the first handle 21 and the second handle 22 are matched with each other through the fan pipeline 1, the motor 2, the first belt pulley 3, the belt 4, the second belt pulley 5, the mounting box 6, the rotating rod 7, the third belt pulley 8, the screw rod 9, the threaded sleeve, the belt 4 slips, so that transmission is influenced, the rotating speed of the fan is directly influenced, so that the air quantity is reduced, at the moment, the first handle 21 can be rotated, the first handle 21 rotates to drive the threaded sleeve 10 to rotate, the threaded sleeve 10 rotates to drive the lead screw 9 to move, the lead screw 9 drives the mounting box 6 to move on the first slide bar 12 and the second slide bar 13, the mounting box 6 drives the third belt pulley 8 to move through the rotating rod 7, the third belt pulley 8 pulls the belt 4 to tension, the belt 4 is broken in the using process, the belt 4 needs to be replaced in time after being broken, the normal use of the fan is influenced, at the moment, the steps are operated in a reverse direction, the third belt pulley 8 is positioned at a position without a tensioning effect on the belt 4, the second handle 22 is pulled to drive the movable rod 18 to move, the movable rod 18 drives the movable plate 19 to move, the moving plate 19 compresses the spring 20 until the movable rod 18 moves to the second through hole on the fixed block 16, the movable door 15 is rotated to allow the belt 4 to enter the mounting box 6, the movable door 15 is rotated reversely to allow the fixed block 16 to return to the initial position, the movable rod 18 penetrates through the first through hole on the fixed block 16 and extends into the groove on the mounting box 6, and then the belt 4 is appropriately tensioned according to the condition of the belt. The utility model is simple in operation, convenient to use can carry out the tensioning to the belt, and the probability that greatly reduced belt skidded guarantees that the amount of wind is normal, more is favorable to ventilating.
The working principle is as follows: when the double-vehicle axial flow fan is in use, the belt 4 is easy to loosen and can slip from the belt 4, so that transmission is affected, the rotating speed of the fan is directly affected, and accordingly the air volume can be reduced, at the moment, the first handle 21 can be rotated, the first handle 21 rotates to drive the threaded sleeve 10 to rotate, the threaded sleeve 10 rotates to drive the lead screw 9 to move, the lead screw 9 drives the mounting box 6 to move on the first sliding rod 12 and the second sliding rod 13, the mounting box 6 drives the third belt pulley 8 to move through the rotating rod 7, the third belt pulley 8 pulls the belt 4 to be tensioned, the belt 4 can be broken in the use process, the belt 4 needs to be replaced in time after being broken, the normal use of the fan is affected, at the moment, the steps are operated in reverse, the third belt pulley 8 is located at a position without tensioning effect on the belt 4, the second handle 22 is pulled, the second handle 22 drives the movable rod 18 to move, the movable rod 18 drives the movable plate 19 to move, the movable plate 19 compresses the spring 20, when the movable rod 18 moves to a second through hole on the fixed block 16, the movable door 15 is rotated, the belt 4 can enter the mounting box 6, then the movable door 15 is rotated reversely, the fixed block 16 returns to the initial position, the movable rod 18 penetrates through the first through hole on the fixed block 16 and extends into a groove on the mounting box 6, and then the belt 4 is properly tensioned according to the condition of the belt 4.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a two car axial fan, includes fan pipeline (1), motor (2), first belt pulley (3), belt (4) and second belt pulley (5), its characterized in that: be equipped with mounting box (6) in fan pipeline (1), the top and the bottom of mounting box (6) all are equipped with the opening, dwang (7) are installed to mounting box (6) internal rotation, fixed mounting has third belt pulley (8) on dwang (7), third belt pulley (8) with belt (4) contact, one side fixed mounting of mounting box (6) has lead screw (9), threaded sleeve (10) are installed to screw thread on lead screw (9), threaded sleeve (10) extend to fan pipeline (1) is outer and fixed mounting has first hand (21).
2. The twin axial fans of claim 1, wherein: the fan is characterized in that a through hole is formed in one side of the fan pipeline (1), a fixed pipe (11) is fixedly mounted in the through hole, a bearing is fixedly mounted in the fixed pipe (11), and an inner ring of the bearing is fixedly connected with the threaded sleeve (10).
3. The twin axial fans of claim 1, wherein: be equipped with first slide bar (12) and second slide bar (13) in fan pipeline (1), first slide bar (12) with second slide bar (13) all run through mounting box (6) and with mounting box (6) sliding connection.
4. A twin axial flow fan as defined in claim 3, wherein: one end of the first sliding rod (12) and one end of the second sliding rod (13) are fixedly connected with the inner wall of the fan pipeline (1), and a limiting block (14) is fixedly mounted at the other end of the first sliding rod (12) and the other end of the second sliding rod (13).
5. The twin axial fans of claim 1, wherein: one side of the mounting box (6) is rotatably provided with a movable door (15), and one side of the movable door (15) is fixedly provided with a fixed block (16).
6. The twin axial fans of claim 5, wherein: an L-shaped plate (17) is fixedly arranged on one side of the mounting box (6), a movable rod (18) is arranged on the L-shaped plate (17), a moving plate (19) is fixedly arranged on the movable rod (18), a spring (20) is sleeved on the movable rod (18), two ends of the spring (20) are respectively and fixedly connected with the movable plate (19) and the L-shaped plate (17), the L-shaped plate (17) is provided with a first through hole, the movable rod (18) penetrates through the first through hole and is connected with the first through hole in a sliding way, a second through hole is arranged on the fixed block (16), the movable rod (18) penetrates through the second through hole and is connected with the second through hole in a sliding way, one side of the mounting box (6) is provided with a groove, one end of the movable rod (18) is matched with the groove, and a second handle (22) is fixedly arranged at one end of the movable rod (18) far away from the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921302334.9U CN210565224U (en) | 2019-08-13 | 2019-08-13 | Double-vehicle axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921302334.9U CN210565224U (en) | 2019-08-13 | 2019-08-13 | Double-vehicle axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210565224U true CN210565224U (en) | 2020-05-19 |
Family
ID=70622796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921302334.9U Expired - Fee Related CN210565224U (en) | 2019-08-13 | 2019-08-13 | Double-vehicle axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210565224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112642810A (en) * | 2020-12-18 | 2021-04-13 | 张风才 | Motor device with air purging structure |
-
2019
- 2019-08-13 CN CN201921302334.9U patent/CN210565224U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112642810A (en) * | 2020-12-18 | 2021-04-13 | 张风才 | Motor device with air purging structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |