CN215170848U

CN215170848U - Multi-shaft centrifugal fan convenient to maintain

Info

Publication number: CN215170848U
Application number: CN202121441885.0U
Authority: CN
Inventors: 邓丽华
Original assignee: Hangzhou Haiwan Fan Co ltd
Current assignee: Hangzhou Haiwan Fan Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-12-14
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a multiaxis centrifugal fan convenient to maintain, which comprises a frame, the quantity of frame is the equal fixedly connected with fixed plate in both sides of two and frames, the spacing groove has all been seted up to the both sides at frame top, the inner chamber swing joint of spacing groove has the slide bar. The utility model discloses a spacing groove, be used for carrying out spacing removal to the slide bar, avoid making the drive connecting rod that the slide bar can be stable to remove, through the sleeve pipe, the movable rod, the cooperation of grip block, a centre gripping is fixed for carrying out the fan body, ensure with this that the fan body can stable operation, possess simultaneously and be convenient for carry out the advantage dismantled to the fan body, and the person of facilitating the use overhauls and maintains the fan body, it all adopts bolt or welded mode to fix to have solved current centrifugal fan and base the majority, it overhauls it to lead to the fan inconvenient when breaking down, and be unfavorable for the later stage to the problem that the fan was maintained.

Description

Multi-shaft centrifugal fan convenient to maintain

Technical Field

The utility model relates to a multiaxis centrifugal fan technical field specifically is a multiaxis centrifugal fan convenient to maintain.

Background

The centrifugal fan is a machine which relies on input mechanical energy to improve gas pressure and discharge gas, and is a driven fluid machine, and the centrifugal fan is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and can also be used for ventilation and air induction of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical equipment, drying and selective feeding of grains, inflation and propulsion of wind tunnel air sources and air cushion ships, and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multiaxis centrifugal fan convenient to maintain possesses the advantage of being convenient for maintain, has solved current centrifugal fan and base and has all adopted bolt or welded mode to fix for the most part, and is inconvenient overhauld it when leading to the fan to break down, and is unfavorable for the later stage to carry out the problem of maintaining to the fan.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-shaft centrifugal fan convenient for maintenance comprises two racks, wherein two sides of each rack are fixedly connected with a fixing plate, both sides of the top of the frame are provided with limit grooves, the inner cavity of each limit groove is movably connected with a slide bar, the top of the slide bar is fixedly connected with a connecting rod, the front end and the rear end of one side of the connecting rod are both fixedly connected with a sleeve, the inner cavity of the sleeve is fixedly connected with a movable rod, one end of the movable rod extends to the outside of the sleeve and is fixedly connected with a clamping plate, the left side of the fixed plate on the left side is fixedly connected with a motor through a supporting plate, the output shaft of the motor is fixedly connected with a threaded rod, the right end of the threaded rod extends to the surface of the right fixed plate and is fixedly connected with the right fixed plate through a bearing, the two sides of the surface of the threaded rod are both in threaded connection with threaded sleeves, and the tops of the threaded sleeves are fixedly connected with the connecting rod.

Preferably, the top fixedly connected with fixing base of frame, the top fixedly connected with device board of fixing base, and the fan body has been placed to the inner chamber of device board.

Preferably, the chutes are formed in the top and the bottom of the inner cavity of the sleeve, the inner cavity of the sleeve is movably connected with the limiting plate, and the top and the bottom of the limiting plate extend to the inner cavity of the chute and are movably connected with the inner cavity of the chute.

Preferably, the inner cavity of the sleeve is provided with a first spring, and two ends of the first spring are respectively fixedly connected with the inner wall of the sleeve and one side of the limiting plate.

Preferably, the left side upper end fixedly connected with round pin spare box on fixed plate right side, the inner chamber swing joint of round pin spare box has the push rod, the top and the bottom of push rod all extend to the outside of round pin spare box and fixedly connected with fixed disk and toper tooth respectively, the left side fixedly connected with gear on screw rod surface, and gear and toper tooth meshing.

Preferably, the push rod is located the fixed surface push pedal that is connected with of the box inner chamber of round pin spare, the surface cover of push rod is equipped with the second spring, and the both ends of second spring respectively with the push pedal with sell the inner wall fixed connection of spare box.

Preferably, spacing hole has been seted up on the right side of fixed disk bottom, the right side fixedly connected with fixed block at round pin spare box top, and the rear side of fixed block has support piece through pivot swing joint, support piece's top extend to the inner chamber in spacing hole and with the inner chamber swing joint in spacing hole.

Preferably, two-way threads are formed in two sides of the surface of the threaded rod, and a rubber pad is fixedly connected to one side, away from the movable rod, of the clamping plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model has the advantages that the limiting groove is used for limiting the sliding rod, the connecting rod is prevented from being stably driven to move by the sliding rod, the fan body is clamped and fixed by the matching of the sleeve, the movable rod and the clamping plate, so as to ensure the stable operation of the fan body, and the fan body has the advantage of being convenient for disassembling the fan body, and is convenient for a user to overhaul and maintain the fan body, thereby improving the working efficiency of overhaul and maintenance, the motor and the threaded rod are used for driving the threaded sleeve to move, meanwhile, the threaded sleeve drives the connecting rod to move, and the sleeve, the movable rod and the connecting rod are driven to move by the connecting rod, so as to be convenient for clamping and fixing the fan body, thereby not only having the effect of being convenient for fixing the fan body, but also being convenient for installing and fixing the fan, thereby having the advantage of being convenient for maintenance, the problem of current centrifugal fan and base mostly adopt bolt or welded mode to fix, inconvenient overhauls it when leading to the fan to break down, and be unfavorable for the later stage to maintain the fan is solved.

2. The utility model discloses a through setting up the device board, be used for placing the machine body, and prevent that the fan from rolling off from the top of device board and leading to the damage, through setting up the spout, be used for carrying out spacing movement to the limiting plate, and can make the limiting plate promote the stable removal that moves of movable rod, so that the movable rod promotes the grip block accurate carry out the centre gripping fixed to the fan body, through setting up push rod, fixed disk and conical tooth, be used for carrying out spacing fixed to the gear, through setting up the gear, be used for limiting the threaded rod and rotate, so that the grip block keeps the clamping state, through setting up push pedal and second spring, be used for promoting the push rod and move, make the push rod drive conical tooth and gear mesh, so as to brake the threaded rod, through setting up the round pin box, be used for slowing down the impact force that the grip block held the fan body, avoid the clamping dynamics is too big to cause the damage to the fan body, through setting up spacing hole, fixed block and support piece for fix the fixed disk temporarily, and make toper tooth and gear separation through the push rod, thereby can make the threaded rod rotate, with this advantage that has possessed to be convenient for dismantle the fan and install, so that the staff overhauls the fan and gets rid of the trouble.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic side view of the casing according to the present invention;

fig. 4 is a schematic view of a left side view cross-sectional structure of the slide bar of the present invention.

In the figure: 1. a frame; 2. a fixing plate; 3. a limiting groove; 4. a slide bar; 5. a connecting rod; 6. a sleeve; 7. a movable rod; 8. a limiting plate; 9. a clamping plate; 10. a gear; 11. a motor; 12. a threaded rod; 13. a threaded sleeve; 14. a fixed seat; 15. a mounting plate; 16. a chute; 17. a first spring; 18. a pin box; 19. a push rod; 20. fixing the disc; 21. a tapered tooth; 22. pushing the plate; 23. a second spring; 24. a limiting hole; 25. a fixed block; 26. and a support member.

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. 1-4, a multi-shaft centrifugal fan convenient for maintenance comprises a frame 1, two frames 1 are provided, two sides of the frame 1 are fixedly connected with a fixed plate 2, two sides of the top of the frame 1 are respectively provided with a limiting groove 3, an inner cavity of the limiting groove 3 is movably connected with a slide bar 4, the top of the slide bar 4 is fixedly connected with a connecting rod 5, the front end and the rear end of one side of the connecting rod 5 are respectively fixedly connected with a sleeve 6, the inner cavity of the sleeve 6 is fixedly connected with a movable rod 7, one end of the movable rod 7 extends to the outside of the sleeve 6 and is fixedly connected with a clamping plate 9, the left side of the left side fixed plate 2 is fixedly connected with a motor 11 through a supporting plate, an output shaft of the motor 11 is fixedly connected with a threaded rod 12, the right end of the threaded rod 12 extends to the surface of the right side fixed plate 2 and is fixedly connected with the right side fixed plate 2 through a bearing, two sides of the surface of the threaded rod 12 are both threadedly connected with threaded sleeves 13, the top of the threaded sleeve 13 is fixedly connected with the connecting rod 5, and is used for limiting and moving the sliding rod 4 through the limiting groove 3, so that the sliding rod 4 can be prevented from stably driving the connecting rod 5 to move, the fan body can be clamped and fixed through the matching of the sleeve 6, the movable rod 7 and the clamping plate 9, so that the stable operation of the fan body can be ensured, the fan body has the advantage of being convenient to disassemble, and a user can conveniently overhaul and maintain the fan body, so that the working efficiency of overhauling and maintaining is improved, the threaded sleeve 13 is driven to move through the motor 11 and the threaded rod 12, the threaded sleeve 13 drives the connecting rod 5 to move, the sleeve 6 and the movable rod 7 are driven to move through the connecting rod 5, so that the fan body can be clamped and fixed conveniently, and the effect of being convenient for fixing the fan body is achieved, and be convenient for install fixedly to the fan to possess the advantage of being convenient for maintain, solved current centrifugal fan and base and mostly adopted bolt or welded mode to fix, inconvenient overhauls it when leading to the fan to break down, and be unfavorable for the later stage to maintain the problem of fan.

In this embodiment, specifically, the top fixedly connected with fixing base 14 of frame 1, the top fixedly connected with device board 15 of fixing base 14, and the fan body has been placed to the inner chamber of device board 15, through setting up device board 15 for place the machine body, and prevent that the fan from rolling from the top of device board 15 and falling and lead to damaging.

In this embodiment, concrete, spout 16 has all been seted up to the top and the bottom of 6 inner chambers of sleeve pipe, and the inner chamber swing joint limiting plate 8 of sleeve pipe 6, and the top of limiting plate 8 and bottom all extend to spout 16 the inner chamber and with spout 16's inner chamber swing joint, through setting up spout 16 for carry out spacing removal to limiting plate 8, and can make limiting plate 8 promote the stable removal that removes of movable rod 7, carry out the centre gripping fixedly to this messenger's movable rod 7 promotion grip block 9 accuracy to the fan body.

In this embodiment, specifically, the inner cavity of the cannula 6 is provided with the first spring 17, and both ends of the first spring 17 are respectively fixedly connected with the inner wall of the cannula 6 and one side of the limiting plate 8.

In this embodiment, specifically, the upper end on the right side of the left fixing plate 2 is fixedly connected with the pin box 18, the inner cavity of the pin box 18 is movably connected with the push rod 19, the top and the bottom of the push rod 19 both extend to the outside of the pin box 18 and are respectively fixedly connected with the fixed disk 20 and the conical teeth 21, the left side of the surface of the threaded rod 12 is fixedly connected with the gear 10, the gear 10 is meshed with the conical teeth 21, the gear 10 is limited and fixed by arranging the push rod 19, the fixed disk 20 and the conical teeth 21, and the gear 10 is arranged to limit the rotation of the threaded rod 12, so that the clamping plate 9 is kept in a clamping state.

In this embodiment, it is concrete, push rod 19 is located the fixed surface of 18 inner chambers one end of round pin spare box and is connected with push pedal 22, the surperficial cover of push rod 19 is equipped with second spring 23, and the both ends of second spring 23 respectively with push pedal 22 and the inner wall fixed connection who sells spare box 18, through setting up push pedal 22 and second spring 23, be used for promoting push rod 19 to remove, make push rod 19 drive toper tooth 21 and gear 10 mesh, brake threaded rod 12 with this, through setting up round pin spare box 18, be used for the impact force to slowing down grip block 9 to fan body centre gripping, avoid the too big fan body that causes the damage of centre gripping dynamics.

In this embodiment, it is specific, spacing hole 24 has been seted up on the right side of fixed disk 20 bottom, the right side fixedly connected with fixed block 25 at round pin piece box 18 top, and the rear side of fixed block 25 has support piece 26 through pivot swing joint, support piece 26's top extend to spacing hole 24 the inner chamber and with spacing hole 24's inner chamber swing joint, through setting up spacing hole 24, fixed block 25 and support piece 26, be used for fixing fixed disk 20 temporarily, and make the separation of conical tooth 21 and gear 10 through push rod 19, thereby can make threaded rod 12 rotate, with this advantage that has possessed and be convenient for dismantle the fan with the installation, so that the staff overhauls the fan and gets rid of the trouble.

In this embodiment, specifically, two-way threads are respectively formed on two sides of the surface of the threaded rod 12, and a rubber pad is fixedly connected to one side of the clamping plate 9 away from the movable rod 7.

When the fan is used, when the fan body needs to be disassembled and overhauled, the motor 11 is started through the external controller, the output shaft of the motor 11 drives the threaded rod 12 to rotate, the two threaded sleeves 13 move in opposite directions through the rotation of the threaded rod 12 in the inner cavities of the threaded sleeves 13, meanwhile, the threaded sleeves 13 drive the connecting rod 5 to move, the connecting rod 5 drives the sleeve 6 to move, the sliding rod 4 moves along with the connecting rod 5 in the inner cavity of the limiting groove 3 in a limiting way, the sleeve 6 drives the movable rod 7 to move, the movable rod 7 drives the clamping plate 9 to move, so that the clamping plate 9 is separated from the fan body, the fan body is convenient to disassemble, a user can conveniently perform overhauling and maintenance, when the fan needs to be installed, otherwise, the operation is only needed, the advantage of convenient maintenance is achieved, and the problem that the existing centrifugal fan and most of bases are fixed in a bolt or welding mode is solved, the fan is inconvenient to overhaul when the fan breaks down, and the problem of later maintenance of the fan is not facilitated.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the control circuit belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multiaxis centrifugal fan convenient to maintain, includes frame (1), its characterized in that: the number of the machine frame (1) is two, the two sides of the machine frame (1) are fixedly connected with fixing plates (2), the two sides of the top of the machine frame (1) are provided with limit grooves (3), the inner cavity of each limit groove (3) is movably connected with a slide rod (4), the top of each slide rod (4) is fixedly connected with a connecting rod (5), the front end and the rear end of one side of each connecting rod (5) are fixedly connected with a sleeve (6), the inner cavity of each sleeve (6) is fixedly connected with a movable rod (7), one end of each movable rod (7) extends to the outside of each sleeve (6) and is fixedly connected with a clamping plate (9), the left side of the fixing plate (2) is fixedly connected with a motor (11) through a supporting plate, the output shaft of the motor (11) is fixedly connected with a threaded rod (12), the right end of the threaded rod (12) extends to the surface of the right fixing plate (2) and is fixedly connected with the right fixing plate (2) through a bearing, the two sides of the surface of the threaded rod (12) are both connected with threaded sleeves (13) in a threaded manner, and the tops of the threaded sleeves (13) are fixedly connected with the connecting rod (5).

2. A multi-axis centrifugal fan for ease of maintenance according to claim 1 wherein: the top fixedly connected with fixing base (14) of frame (1), the top fixedly connected with device board (15) of fixing base (14), and the fan body has been placed to the inner chamber of device board (15).

3. A multi-axis centrifugal fan for ease of maintenance according to claim 1 wherein: spout (16) have all been seted up to the top and the bottom of sleeve pipe (6) inner chamber, the inner chamber swing joint limiting plate (8) of sleeve pipe (6), and the top and the bottom of limiting plate (8) all extend to the inner chamber of spout (16) and with the inner chamber swing joint of spout (16).

4. A multi-axis centrifugal fan for ease of maintenance according to claim 1 wherein: the inner cavity of the sleeve (6) is provided with a first spring (17), and two ends of the first spring (17) are fixedly connected with the inner wall of the sleeve (6) and one side of the limiting plate (8) respectively.

5. A multi-axis centrifugal fan for ease of maintenance according to claim 1 wherein: the left side upper end fixedly connected with round pin spare box (18) on fixed plate (2) right side, the inner chamber swing joint of round pin spare box (18) has push rod (19), the top and the bottom of push rod (19) all extend to the outside of round pin spare box (18) and fixedly connected with fixed disk (20) and toper tooth (21) respectively, left side fixedly connected with gear (10) on threaded rod (12) surface, and gear (10) and toper tooth (21) meshing.

6. Multi-shaft centrifugal fan convenient to maintain according to claim 5, characterized in that: the surface fixed connection that push rod (19) are located round pin spare box (18) inner chamber one end has push pedal (22), the surface cover of push rod (19) is equipped with second spring (23), and the both ends of second spring (23) respectively with the inner wall fixed connection of push pedal (22) and round pin spare box (18).

7. Multi-shaft centrifugal fan convenient to maintain according to claim 5, characterized in that: spacing hole (24) have been seted up on the right side of fixed disk (20) bottom, the right side fixedly connected with fixed block (25) at round pin spare box (18) top, and the rear side of fixed block (25) have support piece (26) through pivot swing joint, the top of support piece (26) extend to the inner chamber of spacing hole (24) and with the inner chamber swing joint of spacing hole (24).

8. A multi-axis centrifugal fan for ease of maintenance according to claim 1 wherein: two-way screw threads are formed in two sides of the surface of the threaded rod (12), and a rubber pad is fixedly connected to one side, away from the movable rod (7), of the clamping plate (9).