CN219570438U

CN219570438U - Exhaust fan for engineering construction

Info

Publication number: CN219570438U
Application number: CN202320436543.2U
Authority: CN
Inventors: 陈卫国; 洪雄; 卢亚军
Original assignee: Beijing Air World Power Technology Co ltd
Current assignee: Beijing Air World Power Technology Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-08-22
Anticipated expiration: 2033-03-09

Abstract

The utility model relates to the technical field of engineering construction, and discloses an exhaust fan for engineering construction, which comprises a box body; connecting pipes arranged on the left side and the right side of the box body, a filtering mechanism is arranged in the box body, and mounting mechanisms are arranged at the left end and the right end of the box body. Through the two clamping structures arranged on the fixing ring on the surface of the connecting pipe and the connecting ring on the surface of the air pipe, the connecting pipe and the air pipe of the box body can be quickly installed, the installation operation is simple and convenient, and the problems that most of the existing exhaust fan filtering structures are fixed by screws and the operation is troublesome are solved; through being equipped with the activated carbon plate, realized the absorption of peculiar smell in the gaseous in the box, make gaseous when the exhaust, can not lead to the fact the influence to outside air, improved the quality of air, can filter tiny particle in the gaseous through the filter screen that is equipped with, further improved the air quality, through connecting plate and the handle that are equipped with, it is convenient to wash for the change of filter screen and activated carbon plate.

Description

Exhaust fan for engineering construction

Technical Field

The utility model relates to the technical field of engineering construction, in particular to an exhaust fan for engineering construction.

Background

The exhaust fan is an air-conditioning electric appliance which uses a motor to drive fan blades to rotate so as to drive air flow and make indoor and outdoor air exchange. The air exhaust aims to remove indoor dirty air, regulate temperature and humidity, is widely applied to families and public places, is also called negative pressure fans, negative pressure fans and the like, can keep the indoor in a negative pressure state all the time by utilizing air convection, forms a suction force, continuously sucks outdoor air, and discharges indoor stuffy air, thereby achieving the effects of ventilation and temperature reduction.

The existing exhaust fan for engineering construction has the defects that when the exhaust fan is used for exhausting, gas is required to be filtered firstly, dust in the gas is prevented from entering the exhaust fan and is difficult to clean, most of the existing filtering structures are fixed by screws when being installed, the operation is troublesome, great trouble is brought to users, and therefore the exhaust fan for engineering construction is required to be provided.

Disclosure of Invention

The utility model aims to provide an exhaust fan for engineering construction, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an exhaust fan for engineering construction comprises a box body; the connecting pipes are arranged on the left side and the right side of the box body, the right end of the connecting pipe is an air inlet end, the left end of the connecting pipe is an air outlet end, the inside of the box body is provided with a filtering mechanism, and the left end and the right end of the box body are provided with mounting mechanisms; the mounting mechanism comprises a fixing ring and a connecting ring, a connecting part is arranged on the inner wall of the connecting ring, and a clamping part is arranged on the surface of the fixing ring and the surface of the connecting ring; the connecting part comprises a rotary clamping groove formed in the surface of the connecting pipe and a slot formed in the left side of the connecting ring, and the surface of the connecting pipe is in inserted sliding connection with the inner wall of the slot formed in the left side of the connecting ring; the clamping part comprises a fixed block and a turnover plate, and the connecting surface of the fixed block is fixedly connected with the surface of the fixed ring.

Preferably, the fixed cover of solid fixed ring is established in connecting pipe surface middle-end, go-between one end fixed mounting has tuber pipe fixed surface connection, the right-hand member the tuber pipe is the air intake, the left end the tuber pipe is the air outlet, two the equal fixed mounting of exit of tuber pipe has the dust cover, two equal fixed mounting of tuber pipe inner wall has the fan, the rotation type draw-in groove of connecting pipe surface seting up is two, and two rotation type draw-in groove rotation direction are anticlockwise setting, the slot inner wall fixed mounting of go-between surface seting up has two slide fixture blocks, two slide fixture block surface respectively with two rotation type draw-in groove inner wall slip joint.

Preferably, the inner wall of the connecting ring is provided with a sealing ring, the sealing ring is arranged in a left wide and right narrow structure, the surface of the connecting pipe is in sealing extrusion type sliding connection with the inner wall of the sealing ring, a clamping groove is formed in the left surface of the fixing block, the surface of the connecting ring is fixedly provided with a connecting block, the inner wall of the connecting block is rotationally connected with a rotating shaft, the surfaces of the upper end and the lower end of the rotating shaft are fixedly connected with the connecting surface of the overturning plate, and the top surface and the bottom surface of the rotating shaft are fixedly provided with limiting blocks.

Preferably, the upper end and the lower end of the inner wall of the turnover plate are respectively provided with a sliding groove, the inner wall of the turnover plate is slidably connected with a sliding block, two limiting sliding blocks are fixedly arranged on the front surface and the rear surface of the sliding block, the two limiting sliding blocks are respectively slidably connected with the inner walls of the two sliding grooves, springs are fixedly arranged on the inner walls of the two sliding grooves, and the connecting surfaces of the springs are respectively fixedly connected with the connecting surfaces of the two limiting sliding blocks.

Preferably, a clamping block is fixedly arranged on the surface of the sliding block, the clamping block is clamped with the inner wall of a clamping groove formed in the left surface of the fixed block, and a deflector rod is fixedly arranged on the surface of the front end of the sliding block.

Preferably, the filtering mechanism comprises a filter screen and an activated carbon plate, wherein the filter screen and the top surface of the activated carbon plate are fixedly provided with connecting plates, the top surface of the box body is provided with a through groove, and the connecting plates are in embedded sliding connection with the inner wall of the through groove.

Preferably, the top surface of the connecting plate is fixedly provided with a handle, the inner wall of the box body is provided with a groove, and the filter screen and the bottom surface of the active carbon plate are respectively connected with the inner walls of the two grooves in an embedded mode.

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

1) This an air discharge fan for engineering construction sets up two joint structures on the go-between on fixed ring and the tuber pipe surface through the connecting pipe surface for the connecting pipe and the tuber pipe of box can install fast, and installation easy operation is convenient, and the connecting pipe is connected with the tuber pipe and is fastened, has solved current air discharge fan filtration and when installing, mostly uses the screw fixation, the comparatively trouble problem of operation.

2) This an air discharge fan for engineering construction through being equipped with the activated carbon sheet, has realized the absorption of peculiar smell in the gaseous in the box, makes gaseous when the exhaust, can not lead to the fact the influence to outside air, has improved the quality of air, can filter tiny particle in the gaseous through the filter screen that is equipped with, has further improved air quality, through connecting plate and the handle that is equipped with, for the change of filter screen and activated carbon sheet washs and provides convenience.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic diagram of the overall front cross-sectional structure of the present utility model;

FIG. 3 is a schematic view showing the exploded structure of the connecting pipe and the air pipe according to the present utility model;

FIG. 4 is a schematic perspective view of a connecting pipe according to the present utility model;

FIG. 5 is a left-hand structural view of the connecting ring of the present utility model;

FIG. 6 is a schematic cross-sectional view of a connecting ring according to the present utility model;

fig. 7 is a schematic diagram of a turnover plate structure according to the present utility model.

In the figure: 1 box, 2 filter mechanisms, 201 filter screens, 202 active carbon plates, 203 connecting plates, 204 handles, 3 connecting pipes, 4 mounting mechanisms, 401 fixing rings, 402 air pipes, 403 connecting rings, 404 dust covers, 405 fixing blocks, 406 sliding clamping blocks, 407 fans, 408 connecting blocks, 409 rotating shafts, 410 overturning plates, 411 sliding blocks, 412 springs, 413 clamping blocks and 414 shifting levers.

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 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.

Example 1

Referring to fig. 1 to 7, an exhaust fan for engineering construction includes a case 1; the connecting pipes 3 are arranged on the left side and the right side of the box body 1, the right connecting pipe 3 is an air inlet end, the left connecting pipe 3 is an air outlet end, the inside of the box body 1 is provided with the filtering mechanism 2, and the left side and the right side of the box body 1 are provided with the mounting mechanisms 4; the mounting mechanism 4 comprises a fixed ring 401 and a connecting ring 403, a connecting part is arranged on the inner wall of the connecting ring 403, and a clamping part is arranged on the surface of the fixed ring 401 and the surface of the connecting ring 403; the connecting part comprises a rotary clamping groove formed in the surface of the connecting pipe 3 and a slot formed in the left side of the connecting ring 403, and the surface of the connecting pipe 3 is in inserted sliding connection with the inner wall of the slot formed in the left side of the connecting ring 403; the clamping part comprises a fixed block 405 and a turnover plate 410, the connecting surface of the fixed block 405 is fixedly connected with the surface of a fixed ring 401, the fixed ring 401 is fixedly sleeved at the middle end of the surface of a connecting pipe 3, one end of a connecting ring 403 is fixedly provided with an air pipe 402 which is fixedly connected with the surface of the air pipe, the right air pipe 402 is an air inlet, the left air pipe 402 is an air outlet, the inlet and the outlet of the two air pipes 402 are fixedly provided with dust covers 404, the inner walls of the two air pipes 402 are fixedly provided with fans 407, the surface of the connecting pipe 3 is provided with two rotary clamping grooves, the rotating directions of the two rotary clamping grooves are anticlockwise, the inner walls of slots provided with the surface of the connecting ring 403 are fixedly provided with two sliding clamping blocks 406, the surfaces of the two sliding clamping blocks 406 are respectively clamped with the inner walls of the two rotary clamping grooves, the inner walls of the connecting ring 403 are provided with sealing rings which are in a left-wide right narrow structure, the surface of the connecting pipe 3 is in sealed extrusion type sliding connection with the inner wall of the sealing ring, the left surface of the fixed block 405 is provided with a clamping groove, the surface of the connecting ring 403 is fixedly provided with a connecting block 408, the inner wall of the connecting block 408 is rotationally connected with a rotating shaft 409, the surfaces of the upper end and the lower end of the rotating shaft 409 are fixedly connected with the connecting surface of the turnover plate 410, the top surface and the bottom surface of the rotating shaft 409 are fixedly provided with limiting blocks, the upper end and the lower end of the inner wall of the turnover plate 410 are respectively provided with a sliding groove, the inner wall of the turnover plate 410 is in sliding connection with a sliding block 411, the front surface and the rear surface of the two sliding blocks 411 are respectively fixedly provided with limiting sliding blocks, the inner walls of the two limiting sliding blocks are respectively in sliding connection with the inner walls of the two sliding grooves, the connecting surfaces of the two springs 412 are respectively fixedly connected with the connecting surfaces of the two limiting sliding blocks, the surface of the sliding blocks 411 is fixedly provided with a clamping block 413, the clamping block 413 is clamped with the inner wall of the clamping groove arranged on the left surface of the fixed block 405, a deflector rod 414 is fixedly arranged on the front end surface of the sliding block 411.

Further: through the fixed ring 401 on connecting pipe 3 surface and two joint structures that set up on the go-between 403 on tuber pipe 402 surface for connecting pipe 3 and tuber pipe 402 of box 1 can install fast, and installation easy operation is convenient, and connecting pipe 3 is connected with tuber pipe 402 and is fastened, has solved current air discharge fan filtration when the installation, mostly uses the screw fixation, the comparatively trouble problem of operation.

Example two

Referring to fig. 2, and further obtaining, based on the first embodiment, the filtering mechanism 2 includes a filter screen 201 and an activated carbon plate 202, wherein the top surfaces of the filter screen 201 and the activated carbon plate 202 are fixedly provided with a connecting plate 203, the top surface of the box body 1 is provided with a through groove, the connecting plate 203 is in embedded sliding connection with the inner wall of the through groove, the top surface of the connecting plate 203 is fixedly provided with a handle 204, the inner wall of the box body 1 is provided with a groove, and the bottom surfaces of the filter screen 201 and the activated carbon plate 202 are respectively in embedded connection with the inner walls of the two grooves.

Further: through being equipped with activated carbon plate 202, realized the absorption of peculiar smell in the gas in the box 1, make gas when the exhaust, can not cause the influence to outside air, improved the quality of air, can filter the interior tiny granule of gas through the filter screen 201 that is equipped with, further improved the air quality, through connecting plate 203 and the handle 204 that are equipped with, for the change of filter screen 201 and activated carbon plate 202 washs and provides convenience.

In the actual operation process, when the connecting pipe 3 and the air pipe 402 are installed, firstly, the connecting part of the air pipe 402 and the connecting part of the connecting pipe 3 are butted, through inserting the surfaces of the two air pipes 402 into the slots formed on the surfaces of the two connecting rings 403, and inserting the sliding clamping blocks 406 on the inner walls of the slots into the rotating clamping grooves formed on the surfaces of the air pipes 402, then, the whole air pipe 402 rotates anticlockwise for ninety degrees to enable the sliding clamping blocks 406 to form clamping connection with the rotating clamping grooves, then, the deflector 414 on the surface of the sliding blocks 411 of the turnover plate 410 is pinched to move, after the two turnover plates 410 are turned over by one hundred and eighty degrees through the rotating shaft 409, the deflector 414 is loosened, the sliding blocks 411 are retracted due to the stretching force of the springs 412, the clamping blocks 413 fixedly arranged on the surfaces of the sliding blocks 411 can move rightwards, and are embedded into the clamping grooves of the inner walls of the fixing blocks 405 to be clamped with the clamping grooves, so that the installation of the two connecting pipes 3 and the two air pipes 402 is completed, if the installation is needed, the operation is performed anticlockwise, the operation is performed, the air can be normally performed, the air can enter from the right end 402, the filter screen 202 inside the box body 1 and the filter screen 202 is required to be pulled out from the filter screen 1 or the filter screen 201, and the filter screen can be replaced by the left side 201, and the filter screen can be cleaned, and the filter screen can be only be replaced by the filter screen 1.

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

Claims

1. An exhaust fan for engineering construction comprises a box body (1); the connecting pipe (3) arranged on the left side and the right side of the box body (1), the right end of the connecting pipe (3) is an air inlet end, and the left end of the connecting pipe (3) is an air outlet end, and the box is characterized in that: the filter mechanism (2) is arranged in the box body (1), and mounting mechanisms (4) are arranged at the left end and the right end of the box body (1);

the mounting mechanism (4) comprises a fixed ring (401) and a connecting ring (403), wherein a connecting part is arranged on the inner wall of the connecting ring (403), and a clamping part is arranged on the surface of the fixed ring (401) and the surface of the connecting ring (403);

the connecting part comprises a rotary clamping groove formed in the surface of the connecting pipe (3) and a slot formed in the left side of the connecting ring (403), and the surface of the connecting pipe (3) is in inserted sliding connection with the inner wall of the slot formed in the left side of the connecting ring (403);

the clamping part comprises a fixed block (405) and a turnover plate (410), and the connecting surface of the fixed block (405) is fixedly connected with the surface of the fixed ring (401).

2. An exhaust fan for engineering construction according to claim 1, wherein: the utility model discloses a fan, including connecting pipe (3) and fixed ring (401), fixed ring (401) fixed cover is established in connecting pipe (3) surface middle-end, connecting ring (403) one end fixed mounting has tuber pipe (402) fixed surface connection, right-hand member tuber pipe (402) are the air intake, left end tuber pipe (402) are the air outlet, two equal fixed mounting of import and export of tuber pipe (402) has dust cover (404), two equal fixed mounting of tuber pipe (402) inner wall has fan (407), the rotation type draw-in groove of connecting pipe (3) surface offer is two, and two rotation type draw-in groove rotation direction are anticlockwise setting, slot inner wall fixed mounting that connecting ring (403) surface offered has two slip fixture blocks (406), two slip fixture block (406) surface respectively with two rotation type draw-in groove inner wall slip joint.

3. An exhaust fan for engineering construction according to claim 2, wherein: the sealing ring is arranged on the inner wall of the connecting ring (403), the sealing ring is arranged in a left wide and right narrow structure, the surface of the connecting pipe (3) is in sealing extrusion type sliding connection with the inner wall of the sealing ring, a clamping groove is formed in the left surface of the fixed block (405), the connecting ring (403) is fixedly arranged with a connecting block (408), the inner wall of the connecting block (408) is rotationally connected with a rotating shaft (409), the upper end surface and the lower end surface of the rotating shaft (409) are fixedly connected with the connecting surface of the overturning plate (410), and the top surface and the bottom surface of the rotating shaft (409) are fixedly provided with limiting blocks.

4. An exhaust fan for engineering construction according to claim 3, wherein: the upper end and the lower end of the inner wall of the turnover plate (410) are respectively provided with a sliding groove, the inner wall of the turnover plate (410) is slidably connected with a sliding block (411), two limiting sliding blocks are fixedly arranged on the front surface and the rear surface of each sliding block (411), and the two limiting sliding blocks are slidably connected with the inner walls of the two sliding grooves respectively.

5. An exhaust fan for engineering construction according to claim 4, wherein: the inner walls of the two sliding grooves are fixedly provided with springs (412), and the connecting surfaces of the two springs (412) are fixedly connected with the connecting surfaces of the two limiting sliding blocks respectively.

6. An exhaust fan for engineering construction according to claim 5, wherein: the surface of the sliding block (411) is fixedly provided with a clamping block (413), and the clamping block (413) is clamped with the inner wall of a clamping groove formed in the left side of the fixed block (405).

7. An exhaust fan for engineering construction according to claim 6, wherein: the front end surface of the sliding block (411) is provided with a deflector rod (414), and the rear surface of the deflector rod (414) is fixedly connected with the front end surface of the sliding block (411).

8. An exhaust fan for engineering construction according to claim 1, wherein: the filter mechanism (2) comprises a filter screen (201) and an active carbon plate (202), wherein the filter screen (201) and the top surfaces of the active carbon plate (202) are respectively provided with a connecting plate (203), and the top surfaces and the bottom surfaces of the two connecting plates (203) are respectively fixedly connected with the filter screen (201) and the top surface of the active carbon plate (202).

9. An exhaust fan for engineering construction according to claim 8, wherein: the top surface of the box body (1) is provided with a through groove, and the connecting plate (203) is connected with the inner wall of the through groove in an embedded sliding way.

10. An exhaust fan for engineering construction according to claim 9, wherein: the top surface of the connecting plate (203) is fixedly provided with a handle (204), the inner wall of the box body (1) is provided with a groove, and the bottom surfaces of the filter screen (201) and the active carbon plate (202) are respectively connected with the inner walls of the two grooves in an embedded mode.