CN218407931U - Suspension type ventilation fan - Google Patents
Suspension type ventilation fan Download PDFInfo
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- CN218407931U CN218407931U CN202222896298.1U CN202222896298U CN218407931U CN 218407931 U CN218407931 U CN 218407931U CN 202222896298 U CN202222896298 U CN 202222896298U CN 218407931 U CN218407931 U CN 218407931U
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Abstract
The utility model discloses a suspension type ventilation fan, including first box, second box and ventilation fan, the inside movable mounting pivot of first box, the one end movable mounting of pivot has first connecting rod, the one end movable mounting of first connecting rod has the second connecting rod, the one end movable mounting of second connecting rod has the third connecting rod, the top surface and the third connecting rod fixed connection of second box, the inside top surface fixed mounting of second box has the cylinder, cylinder bottom surface movable mounting has T shape pole, the equal movable mounting in both ends of T shape pole has the fourth connecting rod, two the equal movable mounting sector gear of one end of fourth connecting rod. The first limiting rod is fixedly installed at the bottom end inside the second box body, and installation sleeves are movably arranged at two ends of the surface of the first limiting rod. The utility model provides a current suspension type ventilation fan can not freely go up and down, and mainly be connected through the bolt between fan and the installed part to cause the problem that installation and maintenance procedure are complicated.
Description
Technical Field
The utility model relates to a ventilation fan technical field specifically is a suspension type ventilation fan.
Background
The ventilating fan is a device which increases the pressure of gas and discharges the gas by means of input mechanical energy, and the ventilating fan is used for conveying air, providing required air quantity for a system and overcoming resistance loss generated when the air flows in the system.
The existing suspension type ventilation fan cannot be lifted freely, and the fan is connected with an installation part mainly through bolts, so that the problems of complex installation and maintenance procedures are caused.
Disclosure of Invention
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a suspension type ventilation fan has solved and has hung installation and later maintenance in-process at ventilation fan, because ventilation fan's mounted position is higher, has caused the installation inconvenient, is in the fixed process to the fan in addition, need carry out fixed mounting to it in proper order with the bolt, has caused inconvenience equally.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a suspension type ventilation fan, includes first box, second box and ventilation fan, first box sets up the top of second box, the second box sets up ventilation fan's top, the inside movable mounting pivot of first box, the one end movable mounting of pivot has first connecting rod, the one end movable mounting of first connecting rod has the second connecting rod, the one end movable mounting of second connecting rod has the third connecting rod, the top surface and the third connecting rod fixed connection of second box, the inside top surface fixed mounting of second box has the cylinder, cylinder bottom surface movable mounting has T shape pole, the equal movable mounting in both ends of T shape pole has the fourth connecting rod, two the equal movable mounting sector gear of one end of fourth connecting rod, the first gag lever post of inside bottom fixed mounting of second box, the equal activity in first gag lever post surface both ends sets up the installation cover surface top is equal fixed mounting rack, two the rack meshes with two sector gear, and two the equal fixed connection splint in installation cover bottom.
Preferably, four corners of the top of the first box body are provided with bolt holes.
Preferably, a first limiting groove is fixedly formed in the bottom surface of the first box, and the third connecting rod penetrates through the first limiting groove.
Preferably, the inside side of second box fixed mounting has two connecting rods, and two connecting rod fixed mounting is on the same height of same side, two the equal movable mounting of connecting rod one end has sector gear.
Preferably, the bottom of second box is fixed and is provided with four second gag lever posts, two splint bottoms are all fixed and are provided with the third gag lever post, the fixed roof that is provided with in ventilation fan top, roof top surface four corners and two relative sides all set up the second spacing groove, and six the second spacing groove and four second gag lever posts and two third gag lever post activity joint.
Preferably, one end of the rotating shaft is movably connected with a driving motor.
(III) advantageous effects
The utility model provides a suspension type ventilation fan. The method has the following beneficial effects:
(1) This suspension type ventilation fan, user start driving motor back, and the motor drives the pivot and takes place to rotate, and the pivot drives first connecting rod, and first connecting rod drives the motion of second connecting rod through articulated, and the motion of third connecting rod is driven through articulated to the second connecting rod. The first limiting groove limits the third connecting rod in the horizontal direction, so that the third limiting rod can only move in the vertical direction, meanwhile, the third limiting rod is fixedly connected with the second box body, the second box body is movably connected with the ventilation fan in a clamping mode, and the ventilation fan can ascend and descend.
(2) This suspension type ventilation fan, after the cylinder function, drive T shape pole and be the ascending motion of vertical direction, when the downward motion is done to T shape pole, drive and do the motion rather than two articulated fourth connecting rods, then, two fourth connecting rods drive the sector gear of its one end articulated installation and do the motion, and simultaneously, two sector gears cup joint and are spacing in the outside of connecting piece, two sector gears further drive two racks and carry out the motion of horizontal direction, two racks and two installation cover fixed connection, and then drive two splint that two installation cover bottom end fixed set up and do the motion of opposite direction, the same reason, when the ascending motion is done to T shape pole, relative motion is then done to two splint, splint and second bottom half all are provided with the gag lever post, and the roof of fan has then corresponded the spacing groove that has set up, thereby realize fixed and the separation between installed part and the fan.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
fig. 4 is an enlarged view of the point B in fig. 2 according to the present invention.
In the figure: 1. a first case; 2. bolt holes; 3. a rotating shaft; 4. a first link; 5. a second link; 6. a first limit groove; 7. a third link; 8. a second case; 9. a cylinder; 10. a T-shaped rod; 11. a splint; 12. a ventilation fan; 13. a fourth link; 14. a sector gear; 15. a connecting rod; 16. installing a sleeve; 17. a rack; 18. a second limiting rod; 19. a third limiting rod; 20. a second limit groove; 21. a top plate; 22. a drive motor; 23. first gag lever post.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
the first embodiment is as follows: the utility model provides a suspension type ventilation fan, includes first box 1, second box 8 and ventilation fan 12, first box 1 sets up the top of second box 8, second box 8 sets up ventilation fan 12's top, the inside movable mounting pivot 3 of first box 1, the one end movable mounting of pivot 3 has first connecting rod 4, the one end movable mounting of first connecting rod 4 has second connecting rod 5, the one end movable mounting of second connecting rod 5 has third connecting rod 7, the top surface and the third connecting rod 7 fixed connection of second box 8, the top four corners of first box 1 all is provided with bolt hole 2, the fixed first spacing groove 6 that is provided with in inside bottom surface of first box 1, just third connecting rod 7 passes the inside of first spacing groove 6, the one end swing joint driving motor 22 of pivot 3, after the user starts driving motor 22, driving motor 22 drives pivot 3 and takes place to rotate, pivot 3 drives first connecting rod 4, and first connecting rod 4 drives second connecting rod 5 through the articulated motion, second connecting rod 5 through articulated motion, and second connecting rod 7, third connecting rod 7 moves third connecting rod 7, and the vertical movement direction of third connecting rod 7 makes the box 12 on the box move, thereby the box 12 vertical movement direction of ventilation fan realizes that the spacing rod is connected the spacing rod 7, and the box 12 is the vertical movement of the spacing rod.
The second embodiment: the difference between this embodiment and the first embodiment is that, an air cylinder 9 is fixedly installed on the top surface inside the second box 8, a T-shaped rod 10 is movably installed on the bottom surface of the air cylinder 9, fourth connecting rods 13 are movably installed on both ends of the T-shaped rod 10, sector gears 14 are movably installed on both ends of the fourth connecting rods 13, a first limiting rod 23 is fixedly installed on the bottom inside the second box 8, installing sleeves 16 are movably installed on both ends of the surface of the first limiting rod 23, two racks 17 are fixedly installed on the tops of the outer surfaces of the installing sleeves 16, the two racks 17 are engaged with the two sector gears 14, two clamping plates 11 are fixedly connected to the bottoms of the installing sleeves 16, two connecting rods 15 are fixedly installed on the inner side surface of the second box 8, two connecting rods 15 are fixedly installed on the same height of the same side surface, one end of each connecting rod 15 is movably installed with the sector gear 14, a fourth limiting rod 18 is fixedly installed on the bottom of the second box 8, a third limiting rod 19 is fixedly installed on the bottoms of the two clamping plates 11, a top surface of a top plate 21 is fixedly connected with a top plate 21, two ventilating top surfaces of the fan 12, two fan-shaped connecting rods 20 are hinged to the second limiting rod 14, and move vertically to the two fan-shaped connecting rods 13, and move with the fan-shaped connecting rods 10, and the fan-shaped connecting rods 14, when the fan-shaped connecting rods 13 and the fan-shaped connecting rods move vertically, the fan-shaped connecting rods are hinged to move vertically, the fan-shaped connecting rods 10, the fan-shaped connecting rods and move vertically, the fan-shaped connecting rods 14, the fan-shaped connecting rods are hinged to move vertically, two sector gear 14 further drive two racks 17 and carry out the motion of horizontal direction, two racks 17 and two installation cover 16 fixed connection, and then drive two splint 11 that two installation cover 16 bottom sprags set up and do the motion of opposite direction, and in the same way, when T shape pole 10 was upwards motion, two splint 11 were then done relative motion, splint 11 and second box 8 bottom were provided with gag lever post 19 and gag lever post 18 respectively, and roof 21 of fan then corresponds and has been set up second spacing groove 20, thereby realized the fixed and separation to ventilation fan 12.
The working principle is as follows: the driving motor 22 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the first connecting rod 4 hinged to the rotating shaft to move, the first connecting rod 4 drives the second connecting rod 5 hinged to the first connecting rod to move, the second connecting rod 5 drives the third connecting rod 7 hinged to the second connecting rod to move, the third connecting rod 7 penetrates through the first limiting groove 6, the first limiting groove 6 enables the third connecting rod 7 to move only in the vertical direction, the third connecting rod 7 is fixedly connected with the second box body 8, so that the ventilation fan 12 can ascend and descend, when the air cylinder 9 located inside the second box body 8 drives the T-shaped rod 10 to move downwards, the T-shaped rod 10 drives the two fourth connecting rods 13 hinged to move, the two fourth connecting rods 13 drive the two fan-shaped gears 14 hinged to move, the two connecting rods 15 limit the two fan-shaped gears 14, the two fan-shaped gears 14 are meshed with the two racks 17, the two fan-shaped gears 14 drive the two racks 17 to move in the horizontal direction, the two racks 17 are fixedly connected with the two mounting sleeves 16, the two mounting sleeves 16 are fixedly connected with the two clamping plates 11, when the two clamping plates 11 move upwards, the two clamping plates 18 move, and the two clamping plates 11 move upwards, and the limiting rods 11 move, and the limiting grooves 18 move upwards, when the limiting grooves are moved in the two clamping plates 11 and the limiting grooves 11 move in the limiting grooves 11, and the limiting grooves 11 move upwards, and the limiting grooves 11 move simultaneously, and the limiting grooves 11 move upwards.
Claims (6)
1. The utility model provides a suspension type ventilation fan, includes first box (1), second box (8) and ventilation fan (12), its characterized in that: the first box body (1) is arranged above the second box body (8), the second box body (8) is arranged above the ventilation fan (12), a rotating shaft (3) is movably arranged in the first box body (1), one end of the rotating shaft (3) is movably provided with a first connecting rod (4), one end of the first connecting rod (4) is movably provided with a second connecting rod (5), one end of the second connecting rod (5) is movably provided with a third connecting rod (7), the top surface of the second box body (8) is fixedly connected with a third connecting rod (7), a cylinder (9) is fixedly arranged on the top surface inside the second box body (8), a T-shaped rod (10) is movably arranged on the bottom surface of the cylinder (9), both ends of the T-shaped rod (10) are movably provided with fourth connecting rods (13), one end of each of the two fourth connecting rods (13) is movably provided with a sector gear (14), a first limiting rod (23) is fixedly arranged at the bottom end in the second box body (8), the two ends of the surface of the first limiting rod (23) are respectively and movably provided with a mounting sleeve (16), the tops of the outer surfaces of the two mounting sleeves (16) are respectively and fixedly provided with a rack (17), the two racks (17) are meshed with the two sector gears (14), and the bottom ends of the two mounting sleeves (16) are fixedly connected with the clamping plate (11).
2. A suspended ventilation fan as set forth in claim 1, wherein: bolt holes (2) are formed in four corners of the top of the first box body (1).
3. A suspended ventilation fan as set forth in claim 1, wherein: the bottom surface of the inner portion of the first box body (1) is fixedly provided with a first limiting groove (6), and the third connecting rod (7) penetrates through the inner portion of the first limiting groove (6).
4. A suspended ventilation fan as set forth in claim 1, wherein: the inside side fixed mounting of second box (8) has two connecting rods (15), and two connecting rod (15) fixed mounting is on the same height of same side, two the equal movable mounting in connecting rod (15) one end has sector gear (14).
5. A suspended ventilation fan as claimed in claim 1, wherein: the fixed four second gag lever posts (18) that are provided with in bottom of second box (8), two splint (11) bottoms are all fixed and are provided with third gag lever post (19), ventilation fan (12) top is fixed and is provided with roof (21), roof (21) top surface four corners and two relative sides all set up second spacing groove (20), and six second spacing groove (20) and four second gag lever post (18) and two third gag lever post (19) activity joint.
6. A suspended ventilation fan as set forth in claim 1, wherein: one end of the rotating shaft (3) is movably connected with a driving motor (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222896298.1U CN218407931U (en) | 2022-11-01 | 2022-11-01 | Suspension type ventilation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222896298.1U CN218407931U (en) | 2022-11-01 | 2022-11-01 | Suspension type ventilation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218407931U true CN218407931U (en) | 2023-01-31 |
Family
ID=85007182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222896298.1U Active CN218407931U (en) | 2022-11-01 | 2022-11-01 | Suspension type ventilation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218407931U (en) |
-
2022
- 2022-11-01 CN CN202222896298.1U patent/CN218407931U/en active Active
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