CN218991961U

CN218991961U - Centrifugal fire control smoke exhaust fan

Info

Publication number: CN218991961U
Application number: CN202223285299.9U
Authority: CN
Inventors: 车曹法
Original assignee: Zhejiang Checao Ventilation Equipment Co ltd
Current assignee: Zhejiang Checao Ventilation Equipment Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-09
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a centrifugal fire-fighting smoke exhaust fan, which comprises a box body, wherein two grooves are formed in the inner side wall of the box body, a stop block is connected to the inside of each groove through screw threads, a fixed block is arranged in each groove, a first bearing is inlaid on one side surface, close to each other, of each fixed block, and the inner rings of the two first bearings are connected with a rotating rod. This centrifugal fire control exhaust fan just takes out fan wheel follow device through under the cooperation of recess and fixed block, makes things convenient for the staff to wash fan wheel, through the cooperation of dog and fixture block, can prevent that fan wheel from taking place to drop at the operation in-process, causes danger, has solved current centrifugal fire control exhaust fan and can accumulate thicker oil dirt on the fan blade after using for a long time, when clearing up fan blade, need dismantle the whole device just can clean, the comparatively complicated problem of step.

Description

Centrifugal fire control smoke exhaust fan

Technical Field

The utility model relates to the field of fire-fighting smoke exhaust fans, in particular to a centrifugal fire-fighting smoke exhaust fan.

Background

The fire-fighting smoke exhaust fan is also called a fire-fighting high-temperature smoke exhaust fan, generally refers to a fan which can continuously and effectively work at high temperature without failure or damage and can effectively work for a long time under high temperature, and is the most ideal and necessary fire-fighting equipment in the industries of high-rise buildings, underground buildings and the like at present.

The chinese patent with the public number CN210769385U discloses a centrifugal fire-fighting smoke exhaust fan, this centrifugal fire-fighting smoke exhaust fan can keep apart the floater such as plastic bag, scraps of paper in the outside of fan, avoid being inhaled the inside of fan, guarantee the normal work of fan, be favorable to people's use, and can increase the radiating effect of motor, guarantee that the fan can guarantee the normal performance of motor at the process of discharging fume, avoid influencing the efficiency of discharging fume, be favorable to people's use, bring better use prospect, but the device still has some shortages, current centrifugal fire-fighting smoke exhaust fan can accumulate thicker oil dirt on the fan blade after long-time use, need dismantle when clearing up fan blade to the whole device can clean, the step is comparatively complicated, therefore, we propose a centrifugal fire-fighting smoke exhaust fan to solve above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a centrifugal fire-fighting smoke exhaust fan, which aims to solve the problems that in the prior art, after the conventional centrifugal fire-fighting smoke exhaust fan is used for a long time, thicker oil dirt can be accumulated on fan blades, and when the fan blades are cleaned, the whole device is required to be disassembled for cleaning, so that the steps are complex.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a centrifugal fire control smoke exhaust fan, includes driving motor, dwang and the box that has the inner chamber, be connected with fan wheel on the dwang, this fire control smoke exhaust fan still includes guard gate, head rod, protective frame and two fixed blocks, the both ends of dwang rotate respectively and connect on two fixed blocks, have on the box with the opening of inner chamber intercommunication, set up flutedly just respectively on the both sides wall of inner chamber the recess runs through to the opening part, the protective frame is connected on the right flank of box, be equipped with drive assembly in the protective frame, the one end of head rod stretches into in the protective frame and is connected with driving motor transmission through drive assembly, the other end has the draw-in groove, the right-hand member of dwang has the fixture block, and two fixed blocks slide respectively and set up in two recesses, still can dismantle on the box and be connected with the dog that the fixed block was located in the recess and fix a position after the fixture block card goes into the draw-in groove, the box still articulates has can with above-mentioned bayonet closure's guard gate.

In a further embodiment, the front side of the protective door is provided with an air outlet, and the back side of the box body is communicated with an air inlet cylinder.

In a further embodiment, the driving motor is fixed to the upper surface of the box, and a top frame capable of covering the driving motor is further connected to the upper surface of the box.

In further embodiments, the fire-fighting smoke exhaust fan further comprises a second connecting rod, the transmission assembly comprises a first belt pulley and a second belt pulley, the second connecting rod is rotationally connected to the top frame, one end of the second connecting rod is connected with the output end of the driving motor, the other end of the second connecting rod stretches into the protection frame to be fixedly provided with the second belt pulley, the first belt pulley is fixed to the first connecting rod, and the second belt pulley is in transmission connection with the first belt pulley through a belt.

In a further embodiment, a control panel is connected to the front surface of the top frame, and a heat dissipation window is provided on the front surface of the top frame.

In a further embodiment, a set of sliding grooves are formed in the inner wall of each groove, and each fixing block is correspondingly provided with a sliding block which is slidably connected in the corresponding sliding groove.

In a further embodiment, a support plate is connected to the bottom surface of the box, and a plurality of universal wheels are connected to the bottom surface of the support plate.

In a further embodiment, a first bearing is embedded in a side surface, close to each other, of the two fixing blocks, two ends of the rotating rod are respectively connected to the corresponding fixing blocks through the first bearing in a rotating mode, a second bearing is embedded in the inner side wall of the box body, the first connecting rod is connected to the box body through the second bearing in a rotating mode, a third bearing is embedded in the inner side wall of the top frame, and the second connecting rod is connected to the top frame through the third bearing in a rotating mode.

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

this centrifugal fire control exhaust fan only needs to open the guard gate, pull down the fan wheel with both sides dog, through staff's pulling fan wheel, under the cooperation of recess and fixed block, just can take out the fan wheel from the device, make things convenient for the staff to wash the fan wheel, and need not carry out complicated dismantlement to whole device, after installing the fan wheel that will wash, through the cooperation of dog and fixture block, can prevent that the fan wheel from taking place to drop in the operation process, cause danger, the current centrifugal fire control exhaust fan can accumulate thicker oil dirt on the fan blade after long-time use has been solved, when clearing up the fan blade, need dismantle the whole device and just can clean, the comparatively complicated problem of step.

Drawings

Fig. 1 is a schematic perspective view of a centrifugal fire-fighting smoke exhaust fan.

Fig. 2 is a front sectional view of a centrifugal fire-fighting smoke extractor.

Fig. 3 is a side sectional view of a fixed block in a centrifugal fire-fighting smoke extractor.

Fig. 4 is a rear view of a centrifugal fire-fighting smoke extractor.

Fig. 5 is an enlarged schematic view of the centrifugal fire-fighting smoke extractor at a position a in fig. 2.

In the figure: 1. a case; 2. a protective door; 3. an air outlet; 4. a universal wheel; 5. a top frame; 6. a heat radiation window; 7. a protective frame; 8. a control panel; 9. a support plate; 10. a rotating lever; 11. fan wheel; 12. a driving motor; 13. a second connecting rod; 14. a third bearing; 15. a second pulley; 16. a first pulley; 17. a second bearing; 18. a stop block; 19. a groove; 20. a chute; 21. a slide block; 22. a fixed block; 23. a first bearing; 24. an air inlet cylinder; 25. a clamping block; 26. a clamping groove; 27. and a first connecting rod.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

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 can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, in the present utility model, a centrifugal fire-fighting smoke exhaust fan includes a driving motor 12, a rotating rod 10, a box 1 with an inner cavity, a fan wheel 11 connected to the rotating rod 10, a protective door 2, a first connecting rod 27, a protective frame 7, and two fixing blocks 22, wherein two ends of the rotating rod 10 are respectively connected to the two fixing blocks 22 in a rotating manner, an opening communicated with the inner cavity is formed in the upper portion of the box 1, grooves 19 are respectively formed in two side walls of the inner cavity, the grooves 19 penetrate through the opening, the protective frame 7 is connected to the right side surface of the box 1, a transmission assembly is arranged in the protective frame 7, one end of the first connecting rod 27 extends into the protective frame 7 and is in transmission connection with the driving motor 12 through the transmission assembly, a clamping groove 26 is formed in the other end of the first connecting rod 27, a clamping block 25 is formed in the right end of the rotating rod 10, the two fixing blocks 22 are respectively slidably arranged in the two grooves 19, a stop block 18 capable of positioning the fixing blocks 22 in the grooves 19 is detachably connected to the box 1, the clamping blocks 25 are clamped into the clamping grooves 26 after positioning, and the box 1 is hinged to the bayonet 2 capable of closing the protective door.

The air outlet 3 has been seted up in the front of guard gate 2, the back intercommunication of box 1 has an air inlet section of thick bamboo 24, can be with in the abundant suction device of cigarette, the upper surface of the fixed box 1 of driving motor 12, the upper surface of box 1 still is connected with the top frame 5 that can cover driving motor 12, can play the effect of protection to driving motor 12, this fire control smoke exhaust fan still includes second connecting rod 13, drive assembly includes first belt pulley 16 and second belt pulley 15, second connecting rod 13 rotates to be connected on top frame 5, the one end of second connecting rod 13 is connected with driving motor 12's output, the other end stretches into guard frame 7 internal fixation and has above-mentioned second belt pulley 15, first belt pulley 16 is fixed on head rod 27, second belt pulley 15 passes through the belt and is connected with first belt pulley 16 transmission, provide power for the operation of device.

The front of the top frame 5 is connected with the control panel 8, the radiating window 6 has been seted up in the front of the top frame 5, can dispel the heat for driving motor 12, a set of spout 20 has all been seted up on the inner wall of every recess 19, all be provided with slider 21 on every fixed block 22 corresponds, slider 21 sliding connection is in corresponding spout 20, the bottom surface of box 1 is connected with backup pad 9, the bottom surface of backup pad 9 is connected with a plurality of universal wheels 4, the convenience is moved the device, a side that two fixed blocks 22 are close to each other has all inlayed first bearing 23, the both ends of dwang 10 are rotated through first bearing 23 respectively and are connected on corresponding fixed block 22, the second bearing 17 has been inlayed to the inside wall of box 1, first connecting rod 27 is rotated through second bearing 17 and is connected on box 1, the inside wall of top frame 5 is inlayed and is had third bearing 14, second connecting rod 13 is rotated through third bearing 14 and is connected on the top frame 5.

The working principle of the utility model is as follows:

this centrifugal fire control smoke exhaust fan, when using, at first, make the staff push away the device to suitable position through the cooperation of a plurality of universal wheels 4 that the device bottom surface was equipped with, start through control panel 8 control driving motor 12, drive second belt pulley 15 and first belt pulley 16 and rotate, make fan wheel 11 rotate and discharge the cigarette through air outlet 3, when need clear up fan wheel 11, at first open guard gate 2, pull down two dogs 18 through the staff, take out fan wheel 11 under the cooperation of fixed block 22, spout 20 and slider 21 and clear up, the problem that current centrifugal fire control smoke exhaust fan can accumulate thicker oil dirt on the fan blade after long-time use has been solved, when clearing up the fan blade, need dismantle just can clean to the whole device, the step is comparatively complicated.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a centrifugal fire control smoke exhaust fan, includes driving motor (12), dwang (10) and box (1) that has the inner chamber, be connected with fan wheel (11) on dwang (10), its characterized in that, this fire control smoke exhaust fan still includes guard gate (2), head rod (27), guard frame (7) and two fixed blocks (22), the both ends of dwang (10) rotate respectively and connect on two fixed blocks (22), have the opening with the inner chamber intercommunication on box (1), set up fluted (19) on the both sides wall of inner chamber respectively just fluted (19) run through to the opening part, guard frame (7) are connected on the right flank of box (1), be equipped with drive assembly in guard frame (7), the one end of head rod (27) stretches into in guard frame (7) and is connected through drive assembly and driving motor (12) transmission, the other end has draw-in groove (26), the right-hand member of dwang (10) has fixture block (25), two fixed blocks (22) slide respectively set up on the both sides wall with the inner chamber (19) and run through to the opening part, can also dismantle dog (25) in the locating slot (19), the box body (1) is also hinged with a protective door (2) which can close the opening.

2. The centrifugal fire-fighting smoke exhaust fan according to claim 1, wherein the front face of the protective door (2) is provided with an air outlet (3), and the back face of the box body (1) is communicated with an air inlet cylinder (24).

3. A centrifugal fire smoke exhaust fan according to claim 1 or 2, wherein the driving motor (12) is fixed on the upper surface of the box body (1), and the upper surface of the box body (1) is further connected with a top frame (5) capable of covering the driving motor (12).

4. A centrifugal fire-fighting smoke exhaust fan according to claim 3, characterized in that the fire-fighting smoke exhaust fan further comprises a second connecting rod (13), the transmission assembly comprises a first belt pulley (16) and a second belt pulley (15), the second connecting rod (13) is rotationally connected to the top frame (5), one end of the second connecting rod (13) is connected with the output end of the driving motor (12), the other end of the second connecting rod extends into the protective frame (7) and is internally fixed with the second belt pulley (15), the first belt pulley (16) is fixed on the first connecting rod (27), and the second belt pulley (15) is in transmission connection with the first belt pulley (16) through a belt.

5. A centrifugal fire-fighting smoke exhaust fan according to claim 3, characterized in that the front of the top frame (5) is connected with a control panel (8), and the front of the top frame (5) is provided with a heat radiation window (6).

6. A centrifugal fire smoke exhaust fan according to claim 1 or 2, wherein a group of sliding grooves (20) are formed in the inner wall of each groove (19), a sliding block (21) is correspondingly arranged on each fixed block (22), and the sliding blocks (21) are slidably connected in the corresponding sliding grooves (20).

7. A centrifugal fire smoke exhaust fan according to claim 1 or 2, wherein the bottom surface of the box (1) is connected with a support plate (9), and the bottom surface of the support plate (9) is connected with a plurality of universal wheels (4).

8. The centrifugal fire-fighting smoke exhaust fan according to claim 4, wherein a first bearing (23) is embedded on one side surface of each of the two fixing blocks (22), two ends of the rotating rod (10) are respectively connected to the corresponding fixing blocks (22) through the first bearing (23) in a rotating mode, a second bearing (17) is embedded on the inner side wall of the box body (1), the first connecting rod (27) is connected to the box body (1) through the second bearing (17) in a rotating mode, a third bearing (14) is embedded on the inner side wall of the top frame (5), and the second connecting rod (13) is connected to the top frame (5) through the third bearing (14) in a rotating mode.