CN216306349U

CN216306349U - Novel environmental protection and energy saving knapsack fan of integral type

Info

Publication number: CN216306349U
Application number: CN202123205311.6U
Authority: CN
Inventors: 臧德东; 徐玉霞; 段淑芳; 石英; 王耀国
Original assignee: Shandong Xingjie Electronic Technology Co ltd
Current assignee: Shandong Xingjie Electronic Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-15
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses an integrated novel environment-friendly energy-saving backpack fan, which belongs to the technical field of backpack fans and comprises an upper shell, wherein a fan blade assembly is arranged on the inner side wall of the upper shell, the power input end of the fan blade assembly is connected with the power output end of a motor, a first filter screen assembly is detachably connected with an opening at one end of the upper shell, the bottom of the upper shell is detachably connected with a lower shell, the middle part of the first filter screen assembly is rotatably connected with a first cleaning device, the first cleaning device comprises a first inner brush, a first outer brush, a first torsion piece and a first connecting rod, one end of the first inner brush is connected with the first outer brush through the first connecting rod, the outer side wall of the first outer brush is fixedly connected with the first torsion piece, and a second filter screen assembly is detachably connected with an opening of the lower shell, dustproof effectual and convenient dust on clean first filter screen assembly and the second filter screen assembly.

Description

Novel environmental protection and energy saving knapsack fan of integral type

Technical Field

The utility model relates to the field of backpack fans, in particular to an integrated novel environment-friendly energy-saving backpack fan.

Background

The backpack blower is a special device for cooling a high-power motor, mainly comprising an air filter, a heat exchanger, a shell and a blower, wherein the air filter of the backpack blower is mainly made of non-woven cotton for filtration at present, the non-woven cotton is paved and fixed in front of a cooler, hot dirty air circulated by the motor is filtered by the non-woven cotton and cooled by the heat exchanger, and then is input into the motor again by the circulating blower for cooling the motor, because the non-woven cotton filtration can not realize automatic dust removal, and the hot dirty air is cooled by the cooler after being filtered by only one piece of non-woven cotton, the non-woven cotton can be blocked in a short time, the backpack blower needs to be opened manually to be detached for cleaning, so that the dust removal treatment of the backpack blower needs to be frequently carried out, the whole process wastes manpower, and pollutes the workshop environment, and if the non-woven cotton is seriously blocked, not only the filtering effect becomes poor, but also the circulating air volume is reduced, the cooling effect of the motor becomes poor, the temperature of the motor during operation is overhigh, and the normal use of the motor is influenced.

The dust-proof effect of current knapsack fan is poor and dust on the dust keeper is difficult to the clearance, if adopt the non-woven fabrics dustproof, then influence the heat dissipation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an integrated novel environment-friendly energy-saving backpack fan, which can filter dust at the opening of the fan, has a good dustproof effect and is convenient for cleaning dust on a first filter screen assembly and a second filter screen assembly, so as to solve the problems in the background art.

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

an integrated novel environment-friendly energy-saving backpack blower comprises an upper shell, wherein a fan blade assembly is arranged on the inner side wall of the upper shell, the power input end of the fan blade assembly is connected with the power output end of the motor, the opening at one end of the upper shell is detachably connected with a first filter screen assembly, the bottom of the upper shell is detachably connected with a lower shell, the middle part of the first filter screen assembly is rotatably connected with a first cleaning device, the first cleaning device comprises a first inner brush, a first outer brush, a first torsion piece and a first connecting rod, one end of the first inner brush is connected with the first outer brush through the first connecting rod, the outer side wall of the first outer brush is fixedly connected with a first torsion piece, the opening of the lower shell is detachably connected with a second filter screen assembly, the middle part of the second filter screen assembly is rotatably connected with a second cleaning device, and the second cleaning device comprises a second inner brush, a second outer brush, a second torsion piece and a second connecting rod.

As a further scheme of the utility model: first filter screen assembly includes first frame, first center piece and first filter screen, first filter screen is installed to first frame inside wall, first center piece is installed at first filter screen center.

As a still further scheme of the utility model: screw holes are formed in the surface of the first outer frame and are detachably mounted at an opening at one end of the upper shell through the screw holes and the bolts.

As a still further scheme of the utility model: the welding of epitheca bottom edge has first installing frame, the welding of inferior valve top edge has the second installing frame, the screw has all been seted up on first installing frame and second installing frame surface, the screw inside wall can be dismantled and be connected with the bolt, the bolt end can be dismantled and be connected with the nut.

As a still further scheme of the utility model: the second filter screen assembly comprises a second outer frame, a second center piece, a second filter screen and a limiting frame, wherein the limiting frame is fixedly connected with the outer side wall of the second outer frame, the second filter screen is fixedly connected with the inner side wall of the second outer frame, and the second center piece is installed at the center of the second filter screen.

As a still further scheme of the utility model: the inner side wall of the limiting frame is provided with an internal thread and is detachably mounted at the opening of the lower shell through the internal thread and the external thread.

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

the integrated novel environment-friendly energy-saving backpack blower can filter dust at the opening of the blower, has good dustproof effect and is convenient to clean dust on the first filter screen assembly and the second filter screen assembly, when a large amount of dust is deposited on the first filter screen assembly, the first torsion piece is held by a hand to rotate the whole first cleaning device, the first inner brush and the first outer brush rotate simultaneously, simultaneously, the dust on the two sides of the first filter screen assembly is brushed off, when a large amount of dust is deposited on the second filter screen assembly, the second torsion piece is held by hand to rotate the whole second cleaning device, the second inner brush and the second outer brush rotate simultaneously, meanwhile, the dust on the two sides of the second filter screen assembly is brushed off, the dust is prevented from blocking the filter screen holes, good heat dissipation and ventilation effects are kept, when the swept dust is accumulated too much in the shell, can directly empty down, solve the dustproof effect of current knapsack fan poor and dust on the dust keeper be difficult to the problem of clearance.

Drawings

Fig. 1 is a first structural schematic view of an integrated novel environment-friendly energy-saving backpack blower according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram II of an integrated novel environment-friendly energy-saving backpack blower according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a first filter screen assembly of the integrated novel environment-friendly energy-saving backpack blower according to the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second filter screen assembly of the integrated novel environment-friendly energy-saving backpack blower according to the embodiment of the utility model.

In the figure: 1. an upper shell; 2. a first cleaning device; 201. a first inner brush; 202. a first outer brush; 203. a first torsion piece; 204. a first link; 3. a first screen assembly; 301. a first outer frame; 302. a first central piece; 303. a first filter screen; 4. a fan blade assembly; 5. a first mounting frame; 6. a second mounting frame; 7. a lower case; 8. a second screen assembly; 801. a second outer frame; 802. a second central piece; 803. a second filter screen; 804. a limiting frame; 9. a second cleaning device; 901. a second inner brush; 902. a second outer brush; 903. a second torsion piece; 904. a second link; 10. an electric motor; 11. a bolt; 12. a screw hole; 13. a nut; 14. an external thread; 15. an internal thread.

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.

Referring to fig. 1 to 4, in the embodiment of the present invention, an integrated novel environment-friendly energy-saving backpack blower includes an upper housing 1, a fan assembly 4 is installed on an inner side wall of the upper housing 1, a power input end of the fan assembly 4 is connected to a power output end of a motor 10, a first filter screen assembly 3 is detachably connected to an opening at one end of the upper housing 1, a lower housing 7 is detachably connected to a bottom of the upper housing 1, a first cleaning device 2 is rotatably connected to a middle portion of the first filter screen assembly 3, the first cleaning device 2 includes a first inner brush 201, a first outer brush 202, a first torsion piece 203 and a first connecting rod 204, one end of the first inner brush 201 is connected to the first outer brush 202 through the first connecting rod 204, a first torsion piece 203 is fixedly connected to an outer side wall of the first outer brush 202, a second filter screen assembly 8 is detachably connected to an opening of the lower housing 7, a second cleaning device 9 is rotatably connected to a middle portion of the second filter screen assembly 8, and the second cleaning device 9 includes a second inner brush 901, The integrated novel environment-friendly energy-saving backpack fan can filter dust at the opening of the fan, has a good dustproof effect and is convenient for cleaning dust on the first filter screen assembly 3 and the second filter screen assembly 8.

The first filter screen assembly 3 includes a first outer frame 301, a first central piece 302 and a first filter screen 303, the inner side wall of the first outer frame 301 is provided with the first filter screen 303, and the center of the first filter screen 303 is provided with the first central piece 302, so that dust can be conveniently filtered.

Wherein, screw hole 12 is opened on the surface of first frame 301 and through screw hole 12 and bolt 11 demountable installation at the opening of upper casing 1 one end, easy to assemble or dismantle first filter screen assembly 3.

Wherein, the welding of 1 bottom edge of epitheca has first installing frame 5, and the welding of 7 top edges of inferior valve has second installing frame 6, and screw 12 has all been seted up on first installing

frame

5 and 6 surfaces of second installing frame, and 12 inside walls of screw can be dismantled and be connected with

bolt

11, and 11 end-to-end dismantlements of bolt are connected with nut 13, conveniently connect epitheca 1 and inferior valve 7.

The second filter screen assembly 8 includes a second outer frame 801, a second central piece 802, a second filter screen 803 and a limiting frame 804, the outer side wall of the second outer frame 801 is fixedly connected with the limiting frame 804, the inner side wall of the second outer frame 801 is fixedly connected with the second filter screen 803, and the second central piece 802 is installed at the center of the second filter screen 803, so that dust can be conveniently filtered.

Wherein, internal thread 15 has been seted up to spacing frame 804 inside wall and through internal thread 15 and external screw thread 14 demountable installation at inferior valve 7 opening part, second filter screen assembly 8 is easy to assemble or dismantlement.

The working principle of the utility model is as follows: the novel integrated environment-friendly energy-saving backpack fan can filter dust at the opening of the fan, has good dustproof effect and is convenient to clean dust on the first filter screen assembly 3 and the second filter screen assembly 8, when a large amount of dust is deposited on the first filter screen assembly 3, the first torsion piece 203 is held by hand to rotate the whole first cleaning device 2, the first inner brush 201 and the first outer brush 202 rotate simultaneously to brush off dust on two sides of the first filter screen assembly 3, when a large amount of dust is deposited on the second filter screen assembly 8, the second torsion piece 903 is held by hand to rotate the whole second cleaning device 9, the second inner brush 901 and the second outer brush 902 rotate simultaneously to brush off dust on two sides of the second filter screen assembly 8 simultaneously, so that the dust is prevented from blocking filter meshes, good heat dissipation and ventilation effects are kept, and when the swept dust is deposited too much in the shell, the dust can be directly dumped.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a novel environmental protection and energy saving knapsack fan of integral type, includes epitheca (1), its characterized in that: the fan assembly (4) is installed on the inner side wall of the upper shell (1), the power input end of the fan assembly (4) is connected with the power output end of the motor (10), the opening at one end of the upper shell (1) is detachably connected with the first filter screen assembly (3), the bottom of the upper shell (1) is detachably connected with the lower shell (7), the middle of the first filter screen assembly (3) is rotatably connected with the first cleaning device (2), the first cleaning device (2) comprises a first inner brush (201), a first outer brush (202), a first torsion piece (203) and a first connecting rod (204), one end of the first inner brush (201) is connected with the first outer brush (202) through the first connecting rod (204), the outer side wall of the first outer brush (202) is fixedly connected with the first torsion piece (203), the opening of the lower shell (7) is detachably connected with the second filter screen assembly (8), the middle of the second filter screen assembly (8) is rotatably connected with the second cleaning device (9), the second cleaning device (9) comprises a second inner brush (901), a second outer brush (902), a second torsion piece (903) and a second connecting rod (904).

2. The novel environmental protection and energy saving knapsack fan of integral type of claim 1, characterized in that: first filter screen assembly (3) include first frame (301), first central piece (302) and first filter screen (303), first filter screen (303) are installed to first frame (301) inside wall, first central piece (302) are installed at first filter screen (303) center.

3. The novel environmental protection and energy saving knapsack fan of integral type of claim 2, characterized in that: screw holes (12) are formed in the surface of the first outer frame (301), and the first outer frame is detachably mounted at an opening at one end of the upper shell (1) through the screw holes (12) and the bolts (11).

4. The novel environmental protection and energy saving knapsack fan of integral type of claim 1, characterized in that: the welding of epitheca (1) bottom edge has first installing frame (5), the welding of inferior valve (7) top edge has second installing frame (6), screw (12) have all been seted up on first installing frame (5) and second installing frame (6) surface, screw (12) inside wall can be dismantled and be connected with bolt (11), bolt (11) end can be dismantled and be connected with nut (13).

5. The novel environmental protection and energy saving knapsack fan of integral type of claim 1, characterized in that: second filter screen assembly (8) include second frame (801), second center piece (802), second filter screen (803) and spacing frame (804), second frame (801) lateral wall fixedly connected with spacing frame (804), second frame (801) inside wall fixedly connected with second filter screen (803), second filter screen (803) center department installs second center piece (802).

6. The novel environmental protection and energy saving knapsack fan of integral type of claim 5, characterized in that: the inner side wall of the limiting frame (804) is provided with an internal thread (15) and is detachably mounted at the opening of the lower shell (7) through the internal thread (15) and the external thread (14).