CN213981263U

CN213981263U - Exhaust fan with conveniently replaced filter screen

Info

Publication number: CN213981263U
Application number: CN202022323041.8U
Authority: CN
Inventors: 赵志国; 孙忠向
Original assignee: Jinan Jingya Environmental Technology Co ltd
Current assignee: Jinan Jingya Environmental Technology Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-08-17
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a conveniently change exhaust fan of filter screen, including the exhaust fan body, fixed frame and guard gate, the equal fixedly connected with grafting pole in the positive both sides of exhaust fan body, one side of exhaust fan body is provided with fixed frame, the inserting groove has all been seted up to the both sides at the fixed frame back, inserting groove and inserting rod looks adaptation, the both sides of inserting groove all are provided with latch mechanism, one side of fixed frame is provided with, the positive bottom swing joint of fixed frame has the guard gate, the bottom of fixed frame inner wall is rotated and is connected with the connecting axle, the top of fixed frame inner wall is rotated and is connected with the coil stock axle. The utility model discloses a setting of coil stock axle, connecting axle, filter screen and backstop mechanism is changing your filter screen in need, and the accessible rotates the knob, makes it drive the coil stock axle and rotates, when the coil stock axle rotates, can draw the filter screen book and draw and drag to coil stock axle department, and new filter screen can follow the connecting axle and rotate out to can the new filter screen of effectual quick replacement.

Description

Exhaust fan with conveniently replaced filter screen

Technical Field

The utility model relates to an exhaust fan technical field specifically is an exhaust fan of convenient change filter screen.

Background

The exhaust fan is a type of air conditioning electric appliance, also called as a ventilating fan, which drives blades to rotate by a motor to drive airflow so as to exchange indoor air and outdoor air; the purpose of the exhaust air is to remove the dirty air from the room and to adjust the temperature, humidity and sensory effects. The exhaust fan is widely applied to families and public places.

The filter screen of the existing exhaust fan needs to be frequently replaced in the using process, otherwise, the normal exhaust effect is affected, and a large amount of time and experience are consumed when the filter screen is replaced, so that the exhaust fan with the filter screen convenient to replace is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conveniently change exhaust fan of filter screen in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a conveniently change exhaust fan of filter screen, includes exhaust fan body, fixed frame and guard gate, the equal fixedly connected with inserted bar in the positive both sides of exhaust fan body, one side of exhaust fan body is provided with fixed frame, the inserting groove has all been seted up to the both sides at the fixed frame back, inserting groove and inserted bar looks adaptation, the both sides of inserting groove all are provided with latch mechanism, one side of fixed frame is provided with, the positive bottom swing joint of fixed frame has guard gate, the bottom of fixed frame inner wall is rotated and is connected with the connecting axle, the top of fixed frame inner wall is rotated and is connected with the coil stock axle, the one end of coil stock axle is provided with the knob, swing joint has the filter screen between coil stock axle and the connecting axle, one side on coil stock axle surface is provided with and ends contrary mechanism.

Preferably, the both sides of guard gate front are all swing joint to have the locating lever, the one end fixedly connected with magnet of locating lever, the surface of locating lever is provided with the spacing ring.

Preferably, the clamping mechanism comprises a button, a linkage rod, a fixed rod, an insert block and a spring, the button is located on two sides of the fixed outer frame, one end of the button is movably connected with the linkage rod, the middle of the linkage rod is movably connected with the fixed rod, one end of the linkage rod, which is far away from the button, is movably connected with the insert block, and the spring is arranged on one side of the insert block.

Preferably, the non-return mechanism comprises a positioning plate, a non-return groove, a connecting plate and non-return teeth, the positioning plate is located on the inner wall of the fixed outer frame, the non-return groove is formed in the inner wall of the positioning plate, the connecting plate is movably connected to the surface of the positioning plate, the non-return teeth are movably connected to the surface of the connecting plate, and the non-return groove is matched with the non-return teeth.

Preferably, the surface of the insertion rod is provided with a positioning groove, and the positioning groove is matched with the insertion block.

Preferably, the two sides of the fixed outer frame are provided with anti-slip pads, and the surfaces of the anti-slip pads are provided with grooves.

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

1. the utility model discloses a setting of coil stock axle, connecting axle, filter screen and backstop mechanism is changing your filter screen in need, and the accessible rotates the knob, makes it drive the coil stock axle and rotates, when the coil stock axle rotates, can draw the filter screen book and draw and drag to coil stock axle department, and new filter screen can follow the connecting axle and rotate out to can the new filter screen of effectual quick replacement.

2. The utility model discloses a setting of fixed frame, guard gate and latch mechanism, after the filter screen on connecting axle surface used the completion, accessible latch mechanism took off fixed frame and opened guard gate and changed the filter screen to the effectual loaded down with trivial details process that need dismantle the exhaust fan body when changing the filter screen of avoiding.

Drawings

Fig. 1 is a schematic view of the three-dimensional split structure of the present invention;

FIG. 2 is a schematic structural view of the fixed outer frame and the protective door of the present invention;

FIG. 3 is a schematic structural view of the clamping mechanism of the present invention;

fig. 4 is a schematic structural view of the non-return mechanism of the present invention.

In the figure: 1. an exhaust fan body; 2. fixing the outer frame; 3. a protective door; 4. a plug rod; 5. inserting grooves; 6. a connecting shaft; 7. a material coiling shaft; 8. a knob; 9. a filter screen; 10. a backstop mechanism; 1001. positioning a plate; 1002. a non-return groove; 1003. a connecting disc; 1004. non-return teeth; 11. positioning a rod; 12. a clamping mechanism; 1201. a button; 1202. a linkage rod; 1203. fixing the rod; 1204. inserting a block; 1205. a spring; 13. a magnet; 14. a non-slip mat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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.

Referring to fig. 1-4, the present invention provides an embodiment: an exhaust fan convenient for replacing a filter screen comprises an exhaust fan body 1, a fixed outer frame 2 and a protective door 3, wherein insertion rods 4 are fixedly connected to two sides of the front surface of the exhaust fan body 1, the fixed outer frame 2 is arranged on one side of the exhaust fan body 1, insertion grooves 5 are formed in two sides of the back surface of the fixed outer frame 2, the insertion grooves 5 are matched with the insertion rods 4, and clamping mechanisms 12 are arranged on two sides of each insertion groove 5;

through the arrangement of the fixed outer frame 2, the protective door 3 and the clamping mechanism 12, when the filter screen 9 on the surface of the connecting shaft 6 is used, the fixed outer frame 2 can be taken down through the clamping mechanism 12, the protective door 3 is opened, and the filter screen 9 is replaced, so that the complex process that the exhaust fan body 1 needs to be disassembled when the filter screen 9 is replaced is effectively avoided;

one side of the fixed outer frame 2 is provided with a protective door 3, the bottom of the front side of the fixed outer frame 2 is movably connected with the protective door, the bottom of the inner wall of the fixed outer frame 2 is rotatably connected with a connecting shaft 6, the top of the inner wall of the fixed outer frame 2 is rotatably connected with a coil stock shaft 7, one end of the coil stock shaft 7 is provided with a knob 8, the coil stock shaft 7 can be more conveniently rotated by personnel through the arrangement of the knob 8, a filter screen 9 is movably connected between the coil stock shaft 7 and the connecting shaft 6, and one side of the surface of the coil stock shaft 7 is provided with a non-return mechanism 10;

through the setting of coil stock axle 7, connecting axle 6, filter screen 9 and backstop mechanism 10, it is to change your filter screen 9 when needs, the accessible rotates knob 8, makes it drive coil stock axle 7 and rotates, when coil stock axle 7 rotates, can draw filter screen 9 book and draw and drag to coil stock axle 7 department, and new filter screen 9 can follow connecting axle 6 and rotate out to can the new filter screen 9 of effectual quick replacement.

Further, the both sides of guard gate 3 are positive all swing joint have locating lever 11, and the one end fixedly connected with magnet 13 of locating lever 11, and the surface of locating lever 11 is provided with the spacing ring, through the setting of magnet 13, and after the adjustment is accomplished to filter screen 9, accessible magnet 13 adsorbs filter screen 9 at the inner wall of fixed frame 2 to can effectual restriction filter screen 9's both sides.

Further, the clamping mechanism 12 comprises a button 1201, a linkage rod 1202, a fixing rod 1203, an insert 1204 and a spring 1205, the button 1201 is located on two sides of the fixed outer frame 2, one end of the button 1201 is movably connected with the linkage rod 1202, the middle of the linkage rod 1202 is movably connected with the fixing rod 1203, one end of the linkage rod 1202, which is far away from the button 1201, is movably connected with the insert 1204, the spring 1205 is arranged on one side of the insert 1204, the insert 1204 is arranged in the insertion groove 5, and the insert 1204 can effectively fix the position of the insertion rod 4 after the insertion rod 4 is inserted into the insertion groove 5.

Further, the backstop mechanism 10 comprises a positioning plate 1001, a backstop groove 1002, a connecting disc 1003 and backstop teeth 1004, the positioning plate 1001 is located on the inner wall of the fixed outer frame 2, the backstop groove 1002 is formed in the inner wall of the positioning plate 1001, the connecting disc 1003 is movably connected to the surface of the positioning plate 1001, the backstop teeth 1004 are movably connected to the surface of the connecting disc 1003, the backstop groove 1002 is matched with the backstop teeth 1004, and through the arrangement of the backstop groove 1002 and the backstop teeth 1004, when the winding shaft 7 is rotated without external force, the winding shaft 7 can be prevented from rotating, and the used filter screen 9 is lowered for continuous use.

Furthermore, the constant head tank has been seted up on the surface of peg graft pole 4, constant head tank and inserted block 1204 looks adaptation, through the setting of constant head tank, when inserted block 1204 inserts, can effectually play spacing fixed effect.

Further, the both sides of fixed frame 2 all are provided with slipmat 14, and the surface of slipmat 14 is seted up flutedly, and through the setting of slipmat 14, when dismantling fixed frame 2, slipmat 14 can effectual increase and the frictional force of personnel's hand to prevent that fixed frame 2 from dropping and causing the damage.

The working principle is as follows: when using, accessible latch mechanism 12 will fix frame 2 and be connected to exhaust fan body 1, when needing to change filter screen 9, the accessible rotates knob 8 and makes it drive coil stock axle 7 and rotate, when coil stock axle 7 rotated, can receive and roll up filter screen 9, with new filter screen 9 from connecting axle 6 commentaries on classics out and continue to use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Claims

1. The utility model provides a conveniently change exhaust fan of filter screen, includes exhaust fan body (1), fixed frame (2) and guard gate (3), its characterized in that: the exhaust fan comprises an exhaust fan body (1), inserting rods (4) are fixedly connected to the two front sides of the exhaust fan body (1), a fixed outer frame (2) is arranged on one side of the exhaust fan body (1), inserting grooves (5) are formed in the two back sides of the fixed outer frame (2), the inserting grooves (5) are matched with the inserting rods (4), clamping mechanisms (12) are arranged on the two sides of the inserting grooves (5), one side of the fixed outer frame (2) is provided with a protective door (3), the front bottom of the fixed outer frame (2) is movably connected with a protective door, a connecting shaft (6) is rotatably connected to the bottom of the inner wall of the fixed outer frame (2), a coiling shaft (7) is rotatably connected to the top of the inner wall of the fixed outer frame (2), a knob (8) is arranged at one end of the coiling shaft (7), and a filter screen (9) is movably connected between the coiling, and a non-return mechanism (10) is arranged on one side of the surface of the coiling shaft (7).

2. An exhaust fan convenient for replacing filter screens as claimed in claim 1, wherein: the protection door is characterized in that positioning rods (11) are movably connected to two sides of the front face of the protection door (3), one ends of the positioning rods (11) are fixedly connected with magnets (13), and limiting rings are arranged on the surfaces of the positioning rods (11).

3. An exhaust fan convenient for replacing filter screens as claimed in claim 1, wherein: the clamping mechanism (12) comprises buttons (1201), a linkage rod (1202), a fixing rod (1203), an insert block (1204) and a spring (1205), the buttons (1201) are located on two sides of the fixed outer frame (2), one end of each button (1201) is movably connected with the linkage rod (1202), the fixing rod (1203) is movably connected to the middle of each linkage rod (1202), one end, far away from the buttons (1201), of each linkage rod (1202) is movably connected with the insert block (1204), and the spring (1205) is arranged on one side of the insert block (1204).

4. An exhaust fan convenient for replacing filter screens as claimed in claim 1, wherein: the non-return mechanism (10) comprises a positioning disc (1001), a non-return groove (1002), a connecting disc (1003) and non-return teeth (1004), wherein the positioning disc (1001) is located on the inner wall of the fixed outer frame (2), the non-return groove (1002) is formed in the inner wall of the positioning disc (1001), the connecting disc (1003) is movably connected to the surface of the positioning disc (1001), the non-return teeth (1004) are movably connected to the surface of the connecting disc (1003), and the non-return groove (1002) is matched with the non-return teeth (1004).

5. An exhaust fan convenient for replacing filter screens as claimed in claim 1 or 3, wherein: the surface of the insertion rod (4) is provided with a positioning groove, and the positioning groove is matched with the insertion block (1204).

6. An exhaust fan convenient for replacing filter screens as claimed in claim 1, wherein: the anti-skidding frame is characterized in that anti-skidding pads (14) are arranged on two sides of the fixed outer frame (2), and grooves are formed in the surfaces of the anti-skidding pads (14).