CN213655185U

CN213655185U - Exhaust fan

Info

Publication number: CN213655185U
Application number: CN202022131962.4U
Authority: CN
Inventors: 杨支猛; 叶青; 朱学强; 袁攀
Original assignee: Jiande South Cement Co ltd
Current assignee: Jiande South Cement Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-07-09
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses an exhaust fan, including the installing frame, the equal fixed mounting in installing frame lower frame wall left part and lower frame wall right part has the slide rail, two sliding connection has the base on the slide rail, base upper end middle part fixed connection has fan frame, the anterior fixedly connected with mount in base upper end, mount upper portion fixed mounting has the motor, motor output rotates and is connected with the flabellum, the equal fixedly connected with fixed plate in installing frame rear end left part and rear end right part, two equal interval is opened on the fixed plate has a plurality of commentaries on classics hole, two upper portion fixedly connected with diaphragm between the fixed plate, the spacing hole of punch-through about diaphragm upper end left rear portion and upper end right rear portion are all opened, two be equipped with a plurality of head between the fixed plate, head's left part and right part all are equipped with controlling means. An exhaust fan, simple structure, convenient operation, easily maintenance clearance.

Description

Exhaust fan

Technical Field

The utility model relates to a signal shield ware technical field especially relates to an exhaust fan.

Background

The exhaust fan is a common device for ventilating and ventilating the indoor air, and can bring fresh air to people; the window blind is a type of window blind commonly used in households, and many consumers prefer to install a fan window blind in the households, the window blind has high freedom, and the window blind can be controlled to emit light and shield light by randomly adjusting the angle of a blade, so that the window blind can exist in the most suitable state and position. In addition, the common fan louver is also used in other places.

The existing exhaust fans have the following defects during working: 1. the existing exhaust fan louver has the disadvantages of complex structure, deficient exhaust effect, difficult disassembly, easy entry of mosquitoes, high maintenance and cleaning cost and complex use. 2. Most of the existing exhaust fan motors and fan blades are welded in the mounting box body, and maintenance and replacement are not facilitated.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide an exhaust fan can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an exhaust fan, includes the installing frame, the equal fixed mounting in installing frame lower frame wall left part and lower frame wall right part has the slide rail, two sliding connection has the base on the slide rail, base upper end middle part fixed connection has fan frame, the anterior fixedly connected with mount in base upper end, mount upper portion fixed mounting has the motor, the motor output rotates and is connected with the flabellum, the equal fixedly connected with fixed plate in installing frame rear end left part and rear end right part, two equal interval is opened on the fixed plate has a plurality of commentaries on classics hole, two upper portion fixedly connected with diaphragm between the fixed plate, the spacing hole of upper and lower break-over is all opened at diaphragm upper end left side rear portion and upper end right rear portion, two be equipped with a plurality of head between the fixed plate, head's left part and right part all are equipped with controlling means.

Preferably, the head includes the shutter plate, the equal fixedly connected with pivot in shutter plate left end upper portion and right-hand member upper portion, the equal fixedly connected with connecting block in shutter plate left end lower part and right-hand member lower part, two the No. two trompil of punch-through about all opening on the connecting block, two the pivot links together with the trompil rotation on two fixed plates respectively.

Preferably, the number of the louver boards is equal to that of the first rotary holes, and the width of the louver boards is approximately equal to the distance between every two adjacent first rotary holes.

Preferably, controlling means includes the control lever, the equidistant fixedly connected with a plurality of pivot No. two of one end that the shutter plate was kept away from to the control lever, the movable hole of break-over about opening on control lever upper portion, the downthehole swing joint of movable hook, a plurality of No. two pivots link together through the rotation of No. two commentaries on classics hole with a plurality of shutter plate respectively.

Preferably, the upper parts of the two hooks are hooked in the two limiting holes respectively.

Preferably, the slide rail is of a T-shaped structure, the left part of the lower end of the base and the right part of the lower end of the base are provided with slide grooves matched with the slide rail in shape, and the fan blades are positioned in the fan frame.

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

1. in the utility model, when the device does not work, the louver boards fall down to block the air outlet of the exhaust fan, so as to prevent mosquitoes from entering the device; the during operation, upwards pulling control lever, the control lever drives the shutter plate and rotates to make the shutter plate slope, just so opened the air outlet of exhaust fan, with the couple on two control lever upper portions hook respectively in the spacing downthehole of diaphragm both sides, stable in structure, convenient operation.

2. The utility model discloses in, install the main part of exhaust fan on base upper portion, base lower extreme left part and lower extreme right part all open with the spout of two slide rail shape adaptations, when devices such as needs maintenance or clearance flabellum and motor, only need drag out the base from the installing frame, maintain the clearance again, solved the problem of traditional exhaust fan maintenance clearance difficulty.

Drawings

Fig. 1 is a schematic view of the back side of an exhaust fan according to the present invention;

fig. 2 is a schematic view of the front overall structure of an exhaust fan of the present invention;

FIG. 3 is a schematic view of the connection relationship between the movable device and the control device of the exhaust fan according to the present invention;

fig. 4 is a schematic structural view of a movable device of an exhaust fan of the present invention;

fig. 5 is a schematic structural diagram of a control device of an exhaust fan according to the present invention.

In the figure: 1. installing a frame; 2. a slide rail; 3. a base; 4. a fan frame; 5. a fixed mount; 6. a motor; 7. a fan blade; 8. a fixing plate; 9. a first rotary hole; 10. a transverse plate; 11. a limiting hole; 12. a mobile device; 13. a control device; 121. a louver board; 122. a first rotating shaft; 123. connecting blocks; 124. turning a hole II; 131. a control lever; 132. a second rotating shaft; 133. a movable hole; 134. and (4) hanging hooks.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 in specific cases to those skilled in the art.

As shown in fig. 1-5, an exhaust fan, including installing frame 1, the equal fixed mounting in installing frame 1 lower frame wall left part and lower frame wall right part has slide rail 2, sliding connection has base 3 on two slide rails 2, base 3 upper end middle part fixed connection has fan frame 4, base 3 upper end front portion fixedly connected with mount 5, 5 upper portion fixed mounting have motor 6, motor 6 output end rotates and is connected with flabellum 7, the equal fixedly connected with fixed plate 8 in installing frame 1 rear end left part and rear end right part, impartial interval is opened on two fixed plate 8 has a plurality of trompil 9 No. one, upper portion fixedly connected with diaphragm 10 between two fixed plate 8, the spacing hole 11 of break-over about diaphragm 10 upper end left rear portion and upper end right rear portion all are opened, be equipped with a plurality of mobile device 12 between two fixed plate 8, the left part and the right part of mobile device 12 all are equipped with controlling means 13.

The movable device 12 comprises a louver board 121, the upper part of the left end and the upper part of the right end of the louver board 121 are fixedly connected with a first rotating shaft 122, the lower part of the left end and the lower part of the right end of the louver board 121 are fixedly connected with connecting blocks 123, two through second rotating holes 124 are formed in the two connecting blocks 123, and the two first rotating shafts 122 are respectively and rotatably connected with first rotating holes 9 in the two fixing plates 8; the number of the louvres 121 is equal to that of the first rotary holes 9, and the width of each louvre 121 is equal to the distance between every two adjacent first rotary holes 9; the control device 13 comprises a control rod 131, one end of the control rod 131, which is far away from the louver boards 121, is fixedly connected with a plurality of second rotating shafts 132 at equal intervals, the upper part of the control rod 131 is provided with a movable hole 133 which penetrates through from left to right, a hook 134 is movably connected in the movable hole 133, and the plurality of second rotating shafts 132 are respectively and rotatably connected with the plurality of louver boards 121 through second rotating holes 124; the upper parts of the two hooks 134 are respectively hooked in the two limiting holes 11; the left part of the lower end of the base 3 and the right part of the lower end of the base 3 are provided with sliding chutes matched with the shapes of the sliding rails 2, so that the base 3 is prevented from shaking when sliding; the fan blades 7 are located inside the fan frame 4.

It should be noted that, the utility model relates to an exhaust fan, when not in operation, the louver 121 falls down to block the air outlet of the exhaust fan, preventing mosquitoes from entering; when the exhaust fan works, the control rods 131 are pulled upwards, the control rods 131 rotate relative to the plurality of louver boards 121 through the second rotating shaft 132, the louver boards 121 are driven to rotate around the first rotating shaft 122, and accordingly the louver boards 121 incline, an air outlet of the exhaust fan is opened, and the hooks 134 on the upper portions of the two control rods 131 are hooked in the limiting holes 11 on the two sides of the transverse plate 10 respectively; install the main part of exhaust fan on 3 upper portions of base, 3 lower extreme left parts of base and lower extreme right part all open the spout with 2 shape adaptations of two slide rails, when needs maintenance or clearance devices such as flabellum 7 and motor 6, only need drag out base 3 from installing frame 1, maintain the clearance again, solved the problem of traditional exhaust fan maintenance clearance difficulty.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An exhaust fan, includes installing frame (1), its characterized in that: the fan mounting structure is characterized in that slide rails (2) are fixedly arranged on the left portion of the lower frame wall and the right portion of the lower frame wall of the mounting frame (1), two slide rails (2) are slidably connected with a base (3), a fan frame (4) is fixedly connected to the middle portion of the upper end of the base (3), a fixing frame (5) is fixedly connected to the front portion of the upper end of the base (3), a motor (6) is fixedly arranged on the upper portion of the fixing frame (5), a fan blade (7) is rotatably connected to the output end of the motor (6), fixing plates (8) are fixedly connected to the left portion of the rear end and the right portion of the rear end of the mounting frame (1), a plurality of first rotating holes (9) are uniformly arranged on the two fixing plates (8), a transverse plate (10) is fixedly connected to the upper portion of the two fixing plates (8), limiting holes (11) which are vertically communicated are respectively arranged on the left rear portion and the right rear portion of, the left part and the right part of the movable device (12) are both provided with a control device (13).

2. An exhaust fan in accordance with claim 1, wherein: movable device (12) are including shutter plate (121), No. one pivot (122) of equal fixedly connected with in shutter plate (121) left end upper portion and right-hand member upper portion, shutter plate (121) left end lower part and the equal fixedly connected with connecting block (123) in right-hand member lower part, two No. two commentaries on classics hole (124) of break-over about all opening on connecting block (123), two No. one pivot (122) rotate with No. one commentaries on classics hole (9) on two fixed plates (8) respectively and link together.

3. An exhaust fan in accordance with claim 2, wherein: the number of the louver boards (121) is equal to that of the first rotary holes (9), and the width of each louver board (121) is approximately equal to the distance between every two adjacent first rotary holes (9).

4. An exhaust fan in accordance with claim 1, wherein: controlling means (13) include control lever (131), equidistant fixedly connected with a plurality of pivot (132) No. two of one end of shutter plate (121) is kept away from in control lever (131), break-over movable hole (133) about control lever (131) upper portion is opened, swing joint has couple (134), a plurality of in movable hole (133) No. two pivot (132) are rotated through No. two rotary holes (124) with a plurality of shutter plate (121) respectively and are linked together.

5. An exhaust fan in accordance with claim 4, wherein: the upper parts of the two hooks (134) are respectively hooked in the two limiting holes (11).

6. An exhaust fan in accordance with claim 1, wherein: the 'T' -shaped structure of the sliding rail (2), sliding grooves matched with the sliding rail (2) in shape are formed in the left part of the lower end and the right part of the lower end of the base (3), and the fan blades (7) are located in the fan frame (4).