CN213527881U

CN213527881U - Smoke exhaust preventing device

Info

Publication number: CN213527881U
Application number: CN202021901041.5U
Authority: CN
Inventors: 王东旭
Original assignee: Tianjin Yazhao Technology Development Co ltd
Current assignee: Tianjin Yazhao Technology Development Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-06-25
Anticipated expiration: 2030-09-03

Abstract

The utility model provides an anti-smoke device, which comprises a shell, a driving motor, fan blades, a filtering component and a cleaning component, wherein the driving motor is installed in the device body through an installation component; the filter assembly comprises a filter screen and a fixing frame, the filter screen is fixed on the fixing frame, the fan blades are close to one end of the filter assembly is fixed with a connecting rod, the connecting rod is coaxially arranged with an output shaft of the driving motor, an L-shaped rod is fixed to the side face of the connecting rod, one end of the L-shaped rod is fixedly connected with the connecting rod, and the other end of the L-shaped rod is fixedly connected with the center of the filter screen through the fixing frame. Prevent fume extractor solve solid particle absorption and seriously influenced fan normal operating's problem on the impeller.

Description

Smoke exhaust preventing device

Technical Field

The utility model belongs to prevent smoke exhaust fan field especially relates to a prevent fume extractor.

Background

At present, the smoke prevention and exhaust system consists of air supply and exhaust pipelines, a pipe well, a fire valve, door switching equipment, a fan and other equipment. The smoke exhaust fan is a machine capable of rapidly exhausting indoor peculiar smell, high temperature and oil smoke gas. The fan with the same normal does not have filter equipment, and it can adsorb on the impeller of fan at a large amount of oil smoke and solid particle in the ventilation process of discharging fume, leads to the decline of the total pressure parameter of amount of wind, influences the smoke exhaust effect, and a large amount of dirt simultaneously can let impeller when operation can not keep balance equally, makes the vibration increase, causes the damage of bearing.

Disclosure of Invention

In view of this, the utility model provides a smoke protection and exhaust device adsorbs the problem that seriously influences fan normal operating on the impeller with solving solid particle.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the smoke prevention and exhaust device comprises a shell, a driving motor, fan blades, a filtering assembly and a cleaning assembly, wherein the driving motor is installed in the shell through an installation assembly, an output shaft of the driving motor is fixedly connected with the fan blades, the filtering assembly is installed on one side of the fan blades, which is far away from the driving motor, and the cleaning assembly used for cleaning the filtering assembly is installed on one side of the filtering assembly, which is far away from the fan blades;

the filter assembly comprises a filter screen and a fixing frame, the filter screen is fixed on the fixing frame, the fan blades are close to one end of the filter assembly is fixed with a connecting rod, the connecting rod is coaxially arranged with an output shaft of the driving motor, an L-shaped rod is fixed to the side face of the connecting rod, one end of the L-shaped rod is fixedly connected with the connecting rod, and the other end of the L-shaped rod is fixedly connected with the center of the filter screen through the fixing frame.

Further, the mount includes cross dead lever, solid fixed ring, and the cross dead lever is fixed at solid fixed ring inboard, and the filter screen respectively with cross dead lever, solid fixed ring fixed connection, the central point of the L type pole other end and cross dead lever puts fixed connection.

Furthermore, a mounting groove corresponding to the fixing ring is fixed on the inner side of the shell, the circle center of the mounting groove is consistent with the circle center of the barrel, and the circle center of the mounting groove and the circle center of the fixing ring are eccentrically arranged.

Further, the clearance subassembly includes clearance brush, cylinder, the cylinder is installed in the casing through first cross mounting bracket, the cylinder sets up the filter screen is kept away from one side of flabellum, the telescopic link orientation of cylinder the filter screen, the telescopic link tip and the clearance brush fixed connection of cylinder, the brush hair orientation of clearance brush the filter screen.

Further, first cross mounting bracket central point puts and is fixed with an installation section of thick bamboo through solid fixed ring, an installation section of thick bamboo is close to the one end and the outside intercommunication of cleaning brush, an installation section of thick bamboo is kept away from the one end of cleaning brush inwards extends and forms and keep off the ring, first cross mounting bracket is kept away from one side of cleaning brush through first U type frame with cylinder fixed connection, the telescopic link end fixing of cylinder has the telescopic link, the telescopic link runs through in keeping off ring and cleaning brush fixed connection, the cover has first elastic component on the telescopic link between cleaning brush and the fender ring.

Furthermore, the cleaning brush is cross-shaped and is arranged corresponding to the filter screen.

Further, the installation component includes a second cross-shaped installation frame, and driving motor passes through the collar to be fixed at the central point of second cross-shaped installation frame and puts, and the casing inboard is equipped with the installation unit that corresponds with the end of second cross-shaped installation frame, and the installation unit includes U type installed part, baffle, and U type installed part is close to one side of flabellum is sealed, inside the opening that the baffle was reserved through U type installed part one side stretched into U type installed part, one side that U type installed part was kept away from to the baffle was fixed with the pull rod, and U type installed part is close to opening one side and is fixed with second U type frame, and the through-hole that the pull rod was reserved through second U type frame runs through in second U type frame, pull rod and second U type frame sliding connection, and the outside cover of pull rod between second U type frame and the baffle has the second elastic component, and the end of second cross.

Furthermore, one end of the pull rod, which is far away from the baffle, is fixed with a shifting sheet.

And the bearing is sleeved outside the L-shaped rod and fixedly connected with the inner wall of the shell through the support frame.

Compared with the prior art, the utility model discloses following advantage has:

(1) the fixed frame uses the connecting rod to do circular motion as the center under the drive of L type pole to the particulate matter that promotes on attached to the filter screen drops, prevents that the filter screen is blocked to the particulate matter.

(2) The cross cleaning brush reduces resistance to air inlet to the greatest extent, and smoke exhaust efficiency is prevented from being influenced.

(3) First elastic component plays the cushioning effect to the cleaning brush, can drive the cleaning brush slightly flexible when the filter screen rotates, makes the clearance more nimble, and the clearance is cleaner.

(4) The mounting assembly enables the driving motor to be more convenient to mount and dismount, and the mounting is simple and convenient.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic cross-sectional view of a smoke exhaust preventing device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a filter assembly according to an embodiment of the present invention;

FIG. 3 is a schematic view of a cleaning assembly according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a cleaning assembly according to an embodiment of the present invention;

fig. 5 is a schematic view of a mounting assembly according to an embodiment of the present invention;

fig. 6 is a schematic view of an installation unit according to an embodiment of the present invention.

Description of reference numerals:

1-a shell; 2-fan blades; 21-a drive motor; 22-a mounting assembly; 23-a second cross mount; 24-a mounting unit; 241-U shaped mounting members; 242-a baffle; 243-a second elastic member; 244-a pull rod; 245-a paddle; 246-second U-shaped frame; 3-a filter assembly; 31-a filter screen; 32-a fixed mount; 33-a cross-shaped fixation rod; 34-a fixed ring; 35-mounting grooves; 36-a connecting rod; 37-L shaped rod; 4-cleaning the assembly; 41-cleaning brush; 42-cylinder; 421-a first U-shaped frame; 422-mounting the cylinder; 423-baffle ring; 43-a telescopic rod; 44-a first elastic member; 45-a first cross mount; and 5, supporting frames.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 and 2, the smoke prevention and exhaust device comprises a housing 1, a driving motor 21, fan blades 2, a filtering component 3 and a cleaning component 4, wherein the driving motor 21 is installed in the housing through an installation component 22, an output shaft of the driving motor 21 is fixedly connected with the fan blades 2, the filtering component 3 is installed on one side of the fan blades 2 far away from the driving motor 21, and the cleaning component 4 for cleaning the filtering component 3 is installed on one side of the filtering component 3 far away from the fan blades 2;

filtering component 3 includes filter screen 31, mount 32, filter screen 31 is fixed on mount 32, flabellum 2 is close to filtering component 3's one end is fixed with connecting rod 36, and connecting rod 36 sets up with the axle center with driving motor 21's output shaft, and the side of connecting rod 36 is fixed with L type pole 37, and L type pole 37 one end and connecting rod 36 fixed connection, the central point that the L type pole 37 other end passes through mount 32 and filter screen 31 puts fixed connection. The driving motor 21 drives the fan blades 2 and the connecting rod 36 to rotate simultaneously, the connecting rod 36 drives the L-shaped rod 37 to rotate, and the fixing frame 32 is driven by the L-shaped rod 37 to move circularly by taking the connecting rod 36 as a center, so that the falling of the particles attached to the filter screen 31 is promoted, and the filter screen 31 is prevented from being blocked by the particles.

As shown in fig. 1 and 2, the fixing frame 32 includes a cross fixing rod 33 and a fixing ring 34, the cross fixing rod 33 is fixed inside the fixing ring 34, the filter screen 31 is respectively fixedly connected with the cross fixing rod 33 and the fixing ring 34, and the other end of the L-shaped rod 37 is fixedly connected with the center position of the cross fixing rod 33. The fixing bracket 32 supports the filter net 31 and helps the filter net 31 to be fixedly connected with the L-shaped rod 37.

As shown in fig. 1 and 2, a mounting groove 35 corresponding to the fixing ring 34 is fixed on the inner side of the casing 1, the center of the mounting groove 35 is consistent with the center of the cylinder, and the center of the mounting groove 35 is eccentric to the center of the fixing ring 34.

As shown in fig. 3 and 4, the cleaning assembly 4 includes a cleaning brush 41 and an air cylinder 42, the air cylinder 42 is installed in the housing 1 through a first cross-shaped mounting bracket 45, the air cylinder 42 is disposed on a side of the filter screen 31 away from the fan blades 2, an expansion rod 43 of the air cylinder 42 faces the filter screen 31, an end portion of the expansion rod 43 of the air cylinder 42 is fixedly connected with the cleaning brush 41, and bristles of the cleaning brush 41 face the filter screen 31.

As shown in fig. 3 and 4, a mounting tube 422 is fixed to a central position of the first cross mounting frame 45 through a fixing ring 34, one end of the mounting tube 422 close to the cleaning brush 41 is communicated with the outside, one end of the mounting tube 422 far away from the cleaning brush 41 extends inwards to form a retaining ring 423, one side of the first cross mounting frame 45 far away from the cleaning brush 41 is fixedly connected with the air cylinder 42 through a first U-shaped frame 421, an end of an expansion link 43 of the air cylinder 42 is fixed with an expansion link 43, the expansion link 43 penetrates through the retaining ring 423 and is fixedly connected with the cleaning brush 41, and a first elastic member 44 is sleeved on the expansion link 43 between the cleaning brush 41 and the retaining ring 423. Need clear up filter screen 31 is, and cylinder 42's telescopic link 43 stretches out, and cleaning brush 41 sets up with the laminating of filter screen 31, and driving motor 21 drives filter screen 31 and is circular motion when self-passing, and cleaning brush 41's brush head rubs with filter screen 31 surface repeatedly, brushes the particulate matter. At this time, the driving motor 21 controls the fan blades 2 to rotate reversely, so that the wind direction faces the direction of the cleaning brush 41, and the particles are blown to the outside of the casing 1 and cannot enter the casing. First elastic component 44 plays the cushioning effect to cleaning brush 41, can drive cleaning brush 41 slightly flexible when filter screen 31 rotates, makes the clearance more nimble, and the clearance is cleaner.

As shown in fig. 3 and 4, the cleaning brush 41 is cross-shaped and is disposed corresponding to the screen 31. The cross cleaning brush 41 reduces resistance to air intake to the greatest extent, and avoids influencing smoke exhaust efficiency.

As shown in fig. 5 and 6, the mounting assembly 22 includes a second cross-shaped mounting frame 23, the driving motor 21 is fixed at a central position of the second cross-shaped mounting frame 23 by a mounting ring, a mounting unit 24 corresponding to an end of the second cross-shaped mounting frame 23 is provided inside the housing 1, the mounting unit 24 includes a U-shaped mounting member 241 and a baffle 242, one side of the U-shaped mounting member 241 close to the fan blade 2 is closed, the baffle 242 extends into the U-shaped mounting member 241 through a through hole reserved on one side of the U-shaped mounting member 241, a pull rod 244 is fixed on one side of the baffle 242 away from the U-shaped mounting member 241, a second U-shaped frame 246 is fixed on one side of the U-shaped mounting member 241 close to the through hole, the pull rod 244 penetrates through the second U-shaped frame 246 through a through hole reserved on the second U-shaped frame 246, the pull rod 244 is slidably connected with the second U-shaped frame 246, a second elastic member 243 is sleeved outside the, the end of the second cross mount 23 is disposed inside the U-shaped mounting member 241. The mounting assembly 22 enables the driving motor 21 to be more convenient to assemble and disassemble, when the driving motor 21 is mounted, the driving motor 21 is fixed on the second cross-shaped mounting frame 23, the pull rod 244 is pulled outwards to enable the baffle 242 to be moved away, each tail end of the second cross-shaped mounting frame 23 is placed into the corresponding U-shaped mounting part 241, then the pull rod 244 is loosened, the baffle 242 automatically resets the baffle 242 under the elastic force of the elastic part, the baffle is blocked in front of the tail end of the second cross-shaped mounting frame 23 to fix the baffle, and the mounting is simple and convenient,

as shown in fig. 5 and 6, a pull plate 245 is fixed to an end of the pull rod 244 away from the baffle 242. Pulling the pull rod 244 is facilitated.

The L-shaped rod 37 is sleeved with a bearing, and the bearing is fixedly connected with the inner wall of the shell 1 through a support frame 5. Support frame 5 plays the supporting role to connecting rod 36 through the bearing, reduces connecting rod 36 and the inhomogeneous deformation that causes of fan 2 atress that the filter screen rotation leads to.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Prevent fume extractor, its characterized in that: the fan blade cleaning device comprises a shell (1), a driving motor (21), fan blades (2), a filtering assembly (3) and a cleaning assembly (4), wherein the driving motor (21) is installed in the shell through an installation assembly (22), an output shaft of the driving motor (21) is fixedly connected with the fan blades (2), the filtering assembly (3) is installed on one side, away from the driving motor (21), of the fan blades (2), and the cleaning assembly (4) for cleaning the filtering assembly (3) is installed on one side, away from the fan blades (2), of the filtering assembly (3);

filter component (3) are including filter screen (31), mount (32), filter screen (31) are fixed on mount (32), flabellum (2) are close to the one end of filter component (3) is fixed with connecting rod (36), and connecting rod (36) set up with the axle center with the output shaft of driving motor (21), and the side of connecting rod (36) is fixed with L type pole (37), and L type pole (37) one end and connecting rod (36) fixed connection, the central point that the L type pole (37) other end passes through mount (32) and filter screen (31) puts fixed connection.

2. The smoke evacuation prevention device of claim 1, wherein: the fixing frame (32) comprises a cross fixing rod (33) and a fixing ring (34), the cross fixing rod (33) is fixed on the inner side of the fixing ring (34), the filter screen (31) is fixedly connected with the cross fixing rod (33) and the fixing ring (34) respectively, and the other end of the L-shaped rod (37) is fixedly connected with the center of the cross fixing rod (33).

3. The smoke evacuation prevention device of claim 2, wherein: the inner side of the shell (1) is fixedly provided with a mounting groove (35) which corresponds to the fixing ring (34), the circle center of the mounting groove (35) is consistent with the circle center of the barrel, and the circle center of the mounting groove (35) and the circle center of the fixing ring (34) are eccentrically arranged.

4. The smoke evacuation prevention device of claim 1, wherein: clearance subassembly (4) are including clearance brush (41), cylinder (42), install in casing (1) through first cross mounting bracket (45) cylinder (42), cylinder (42) set up filter screen (31) are kept away from one side of flabellum (2), telescopic link (43) orientation of cylinder (42) filter screen (31), telescopic link (43) tip and clearance brush (41) fixed connection of cylinder (42), the brush hair orientation of clearance brush (41) filter screen (31).

5. The smoke evacuation prevention device of claim 4, wherein: first cross mounting bracket (45) central point puts and is fixed with installation section of thick bamboo (422) through solid fixed ring (34), installation section of thick bamboo (422) are close to the one end and the outside intercommunication of clearance brush (41), installation section of thick bamboo (422) are kept away from the one end of clearance brush (41) inwards extends and forms fender ring (423), first cross mounting bracket (45) are kept away from one side of clearance brush (41) through first U type frame (421) with cylinder (42) fixed connection, telescopic link (43) end fixing of cylinder (42) has telescopic link (43), telescopic link (43) run through in fender ring (423) and clearance brush (41) fixed connection, the cover has first elastic component (44) on telescopic link (43) between clearance brush (41) and fender ring (423).

6. The smoke evacuation prevention device of claim 4, wherein: the cleaning brush (41) is cross-shaped and is arranged corresponding to the filter screen (31).

7. The smoke evacuation prevention device of claim 1, wherein: the mounting assembly (22) comprises a second cross-shaped mounting frame (23), the driving motor (21) is fixed to the center of the second cross-shaped mounting frame (23) through a mounting ring, a mounting unit (24) corresponding to the tail end of the second cross-shaped mounting frame (23) is arranged on the inner side of the shell (1), the mounting unit (24) comprises a U-shaped mounting piece (241) and a baffle (242), one side, close to the fan blade (2), of the U-shaped mounting piece (241) is closed, the baffle (242) extends into the U-shaped mounting piece (241) through a reserved through hole in one side of the U-shaped mounting piece (241), a pull rod (244) is fixed to one side, far away from the U-shaped mounting piece (241), of the U-shaped mounting piece (241) is fixed with a second U-shaped frame (246) through a reserved through hole in the second U-shaped frame (246), the pull rod (244) is connected with the second U-shaped frame (246) in a sliding mode, a second elastic piece (243) is sleeved outside the pull rod (244) between the second U-shaped frame (246) and the baffle (242), and the tail end of the second cross-shaped mounting frame (23) is arranged inside the U-shaped mounting piece (241).

8. The smoke evacuation prevention device of claim 7, wherein: a shifting sheet (245) is fixed at one end of the pull rod (244) far away from the baffle (242).

9. The smoke evacuation prevention device of claim 1, wherein: the bearing is sleeved outside the L-shaped rod (37) and fixedly connected with the inner wall of the shell (1) through the support frame (5).