CN220748649U

CN220748649U - Induced draft fan convenient to remove

Info

Publication number: CN220748649U
Application number: CN202322526452.0U
Authority: CN
Inventors: 李峰
Original assignee: Sichuan Linhe Silicon Industry Co ltd
Current assignee: Sichuan Linhe Silicon Industry Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-04-09
Anticipated expiration: 2033-09-18

Abstract

The utility model relates to the technical field of silica slag processing, in particular to a draught fan convenient to move, which comprises a box body, wherein a universal wheel is fixedly arranged at the bottom of the box body, a lifting ring is fixedly arranged at the top of the box body, a telescopic device is fixedly arranged at one side of the box body, a sliding rod is fixedly arranged at the top of the box body, a limiting block is fixedly arranged at the top of the sliding rod, a motor is fixedly arranged on the inner wall of the box body, a threaded output shaft is movably arranged at the axis of the motor, a sealing bearing is fixedly arranged on the outer wall of the threaded output shaft, an induced draft device is movably arranged on the outer wall of the threaded output shaft, the improved draught fan adopts the universal wheel, the lifting ring and the telescopic device, and the draught fan is convenient to move.

Description

Induced draft fan convenient to remove

Technical Field

The utility model relates to the technical field of silicon slag processing, in particular to a draught fan convenient to move.

Background

The induced draft fan has the functions of exhausting high-temperature flue gas generated by boiler combustion, maintaining furnace pressure, forming flowing flue gas, completing heat exchange of flue gas and air, discharging the flue gas to a flue after passing through a dust remover, and adjusting the stability of the negative pressure of the boiler furnace.

The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: 1. the induced draft fan has no structure convenient to move, and when the induced draft fan needs to be moved, the induced draft fan is complicated, and the working efficiency is possibly influenced; 2. the induced draft fan can't carry out height-adjusting, when the interface of different height is connected to needs, probably need carry out additional installation, probably can influence work efficiency.

Disclosure of Invention

The utility model aims to provide a draught fan convenient to move, so as to solve the problems that the draught fan provided in the background art is not convenient to move and the height of the draught fan cannot be adjusted. In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a draught fan convenient to remove, includes the box, the bottom fixed mounting of box has the universal wheel, the top fixed mounting of box has rings, one side fixed mounting of box has telescoping device, the top fixed mounting of box has the slide bar, the top fixed mounting of slide bar has the stopper, the inner wall fixed mounting of box has the motor, the axle center department movable mounting of motor has the screw thread output shaft, the outer wall fixed mounting of screw thread output shaft has sealed bearing, the outer wall movable mounting of screw thread output shaft has induced air device.

Further preferably, the motor and the induced air device form a rotating mechanism through a threaded output shaft.

Further preferably, the threaded output shaft and the box body form a sealing structure through a sealing bearing.

Further preferably, the telescopic device comprises a mounting tube, a clamping groove is fixedly arranged on the inner wall of the mounting tube, a sliding tube is movably arranged on the inner wall of the mounting tube, a handle is fixedly arranged on the top of the sliding tube, a mounting block is fixedly arranged at the bottom of the sliding tube, a sliding shell is fixedly arranged on one side of the mounting block, a spring is fixedly arranged on one side of the mounting block, a clamping block is fixedly arranged on one side of the spring, and the clamping block and the mounting block form an elastic structure.

Further preferably, the sliding rod and the induced air device form a limiting structure through a limiting block.

Further preferably, the induced air device comprises a mounting plate, the inner wall fixed mounting of mounting plate has the installation slide, the front end fixed mounting of installation slide has the bracing piece, the top movable mounting of mounting plate has the backup pad, the backup pad top runs through movable mounting has the butterfly bolt, the top fixed mounting of backup pad has the supporting shoe, the top fixed mounting of supporting shoe has the fan body, adopt split type structure between mounting plate and the backup pad.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the induced draft fan can be lifted through the lifting ring, when the induced draft fan needs to be pushed, the clamping block forms an elastic structure through the spring and the mounting block, when the handle is pulled, the sliding tube, the mounting block, the sliding shell, the spring and the clamping block are driven to move upwards, when the clamping block moves to the clamping groove, the clamping block is outwards ejected by the spring to limit, when the sliding tube needs to be retracted, the sliding tube can be directly downwards pressed, the spring is inwards contracted, and when the handle is pulled out, the induced draft fan can be easily pushed through the universal wheel.

According to the utility model, the motor and the induced air device form a rotating mechanism, when the motor is started, the threaded output shaft rotates to drive the induced air device to move up and down on the threaded output shaft, the threaded output shaft and the box body form a sealing structure through the sealing bearing, the sealing bearing can start the sealing function while not influencing the rotation of the threaded output shaft, so that external water or dust is prevented from entering the box body from a gap between the threaded output shaft and the box body, corrosion is caused to the motor, the sliding rod forms a limiting structure with the induced air device through the limiting block, and when the induced air device moves up and down, the sliding rod can move up and down without influencing the induced air device to prevent the induced air device from being driven to rotate, and the limiting block can prevent the induced air device from being displaced upwards and out of position.

Drawings

FIG. 1 is a schematic diagram of the front elevational view in full section of the present utility model;

FIG. 2 is a schematic side elevational view in full section of the present utility model;

FIG. 3 is a schematic view of the telescopic device of the present utility model in full section;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3 according to the present utility model;

fig. 5 is a schematic diagram of the whole cross-section structure of the air inducing device of the utility model.

In the figure: 1. a case; 2. a universal wheel; 3. a hanging ring; 4. a telescoping device; 401. installing a pipe; 402. a clamping groove; 403. a sliding tube; 404. a handle; 405. a mounting block; 406. a sliding housing; 407. a spring; 408. a clamping block; 5. a slide bar; 6. a limiting block; 7. a motor; 8. a threaded output shaft; 9. sealing the bearing; 10. an induced draft device; 1001. a mounting plate; 1002. installing a slide tube; 1003. a support rod; 1004. a support plate; 1005. a butterfly bolt; 1006. a support block; 1007. a fan body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 5, the present utility model provides the following technical solutions: the utility model provides a draught fan convenient to remove, including box 1, the bottom fixed mounting of box 1 has universal wheel 2, the top fixed mounting of box 1 has rings 3, one side fixed mounting of box 1 has telescoping device 4, the top fixed mounting of box 1 has slide bar 5, the top fixed mounting of slide bar 5 has stopper 6, the inner wall fixed mounting of box 1 has motor 7, the axle center department movable mounting of motor 7 has screw output shaft 8, the outer wall fixed mounting of screw output shaft 8 has sealed bearing 9, the outer wall movable mounting of screw output shaft 8 has induced air device 10.

In this embodiment, as shown in fig. 1 and 2, a motor 7 and an induced draft device 10 form a rotating mechanism through a threaded output shaft 8; when the motor 7 is started, the threaded output shaft 8 rotates to drive the air inducing device 10 to move up and down on the threaded output shaft 8.

In this embodiment, as shown in fig. 1 and 2, the threaded output shaft 8 and the case 1 form a seal structure through a seal bearing 9; the sealing bearing 9 can start the sealing function without affecting the rotation of the threaded output shaft 8, and prevent external water or dust from entering the box 1 from a gap between the threaded output shaft 8 and the box 1, so as to erode the motor 7.

In this embodiment, as shown in fig. 1, 2, 3 and 4, the telescopic device 4 includes a mounting tube 401, a clamping groove 402 is fixedly mounted on the inner wall of the mounting tube 401, a sliding tube 403 is movably mounted on the inner wall of the mounting tube 401, a handle 404 is fixedly mounted on the top of the sliding tube 403, a mounting block 405 is fixedly mounted on the bottom of the sliding tube 403, a sliding shell 406 is fixedly mounted on one side of the mounting block 405, a spring 407 is fixedly mounted on one side of the mounting block 405, a clamping block 408 is fixedly mounted on one side of the spring 407, and the clamping block 408 and the mounting block 405 form an elastic structure through the spring 407; when the handle 404 is pulled, the sliding tube 403, the mounting block 405, the sliding shell 406, the spring 407 and the clamping block 408 are driven to move upwards, when the clamping block 408 moves to the clamping groove 402, the clamping block 408 is outwards ejected by the spring 407 to limit, and when the sliding tube 403 needs to be retracted, the sliding tube 403 can be directly pressed downwards, and the spring 407 is inwards contracted.

In this embodiment, as shown in fig. 1 and 2, the sliding rod 5 and the induced air device 10 form a limiting structure through a limiting block 6; when the induced air device 10 moves up and down, the sliding rod 5 can move up and down without affecting the induced air device 10, the induced air device 10 is prevented from being driven to rotate, and the limiting block 6 can prevent the induced air device 10 from upwards moving and exceeding the position.

In this embodiment, as shown in fig. 1, 2 and 5, the induced draft device 10 includes a mounting plate 1001, a mounting slide 1002 is fixedly mounted on an inner wall of the mounting plate 1001, a support rod 1003 is fixedly mounted at a front end of the mounting slide 1002, a support plate 1004 is movably mounted at a top of the mounting plate 1001, a butterfly bolt 1005 is movably mounted at a top of the support plate 1004 in a penetrating manner, a support block 1006 is fixedly mounted at a top of the support plate 1004, a fan body 1007 is fixedly mounted at a top of the support block 1006, and a split structure is adopted between the mounting plate 1001 and the support plate 1004; the mounting plate 1001 and the supporting plate 1004 can be easily detached or installed through the butterfly bolts 1005, so that the fan body 1007 can be conveniently maintained later.

The application method and the advantages of the utility model are as follows: this draught fan convenient to remove, when using, the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, firstly, the induced draft fan can be lifted through the lifting ring 3, when the induced draft fan needs to be pushed, the clamping block 408 forms an elastic structure with the mounting block 405 through the spring 407, when the handle 404 is pulled, the sliding tube 403, the mounting block 405, the sliding shell 406, the spring 407 and the clamping block 408 are driven to move upwards, when the clamping block 408 moves to the clamping groove 402, the clamping block 408 is outwards ejected by the spring 407 to limit, when the sliding tube 403 needs to be retracted, the sliding tube 403 can be directly downwards pressed, the spring 407 is inwards contracted, when the handle 404 is pulled out, the induced draft fan can be easily pushed through the universal wheel 2, then the induced draft fan height is adjusted according to the interface position, the motor 7 forms a rotating mechanism with the induced draft device 10 through the screw output shaft 8, when the motor 7 is started, the screw output shaft 8 rotates, the induced draft device 10 is driven to move up and down on the screw output shaft 8, the screw output shaft 8 forms seal structure through seal bearing 9 and box 1, seal bearing 9 can be when not influencing screw output shaft 8 rotation, start sealing action, prevent external water or dust from getting into box 1 from the gap between screw output shaft 8 and the box 1, cause the erosion to motor 7, slide bar 5 constitutes limit structure through stopper 6 and induced air device 10, when induced air device 10 reciprocates, slide bar 5 can not influence induced air device 10 reciprocates, prevent induced air device 10 is driven rotatory, stopper 6 can prevent induced air device 10 to upwards shift the overstep, adopt split type structure between mounting panel 1001 and the backup pad 1004, dismantle or install through butterfly bolt 1005 very easily between mounting panel 1001 and the backup pad 1004, the convenience is maintained the fan body to the follow-up.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Draught fan convenient to remove, including box (1), its characterized in that: the bottom of the box body (1) is fixedly provided with a universal wheel (2), the top of the box body (1) is fixedly provided with a hanging ring (3), one side of the box body (1) is fixedly provided with a telescopic device (4), the top of the box body (1) is fixedly provided with a sliding rod (5), the top of the sliding rod (5) is fixedly provided with a limiting block (6), the novel air conditioner is characterized in that a motor (7) is fixedly arranged on the inner wall of the box body (1), a threaded output shaft (8) is movably arranged at the axis of the motor (7), a sealing bearing (9) is fixedly arranged on the outer wall of the threaded output shaft (8), and an air inducing device (10) is movably arranged on the outer wall of the threaded output shaft (8).

2. The induced draft fan for easy movement according to claim 1, wherein: the motor (7) and the induced air device (10) form a rotating mechanism through a threaded output shaft (8).

3. The induced draft fan for easy movement according to claim 1, wherein: the threaded output shaft (8) and the box body (1) form a sealing structure through a sealing bearing (9).

4. The induced draft fan for easy movement according to claim 1, wherein: the telescopic device (4) comprises a mounting pipe (401), a clamping groove (402) is fixedly arranged on the inner wall of the mounting pipe (401), a sliding pipe (403) is movably arranged on the inner wall of the mounting pipe (401), a handle (404) is fixedly arranged on the top of the sliding pipe (403), a mounting block (405) is fixedly arranged at the bottom of the sliding pipe (403), a sliding shell (406) is fixedly arranged on one side of the mounting block (405), a spring (407) is fixedly arranged on one side of the mounting block (405), a clamping block (408) is fixedly arranged on one side of the spring (407), and the clamping block (408) and the mounting block (405) form an elastic structure.

5. The induced draft fan for easy movement according to claim 1, wherein: the sliding rod (5) and the induced air device (10) form a limiting structure through a limiting block (6).

6. The induced draft fan for easy movement according to claim 1, wherein: the induced air device (10) comprises a mounting plate (1001), mounting slide pipe (1002) is fixedly mounted on the inner wall of the mounting plate (1001), supporting rod (1003) is fixedly mounted on the front end of the mounting slide pipe (1002), supporting plate (1004) is movably mounted on the top of the mounting plate (1001), butterfly bolts (1005) are movably mounted on the top of the supporting plate (1004) in a penetrating mode, supporting blocks (1006) are fixedly mounted on the top of the supporting plate (1004), fan body (1007) is fixedly mounted on the top of each supporting block (1006), and split type structures are adopted between the mounting plate (1001) and the supporting plate (1004).