CN210241884U

CN210241884U - New fan that can disperse filter screen pressure that admits air

Info

Publication number: CN210241884U
Application number: CN201920699608.6U
Authority: CN
Inventors: Canyu Fang; 方灿榆
Original assignee: Jiangsu Bnn Electric Co ltd
Current assignee: Jiangsu Bnn Electric Co ltd
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-04-03
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses a new fan capable of dispersing pressure of an air inlet filter screen, which comprises a new fan main body and a back cover plate fixedly installed on the surface of the new fan main body, wherein a primary filter screen is arranged on the surface of the back cover plate, a U-shaped fixed plate is fixedly installed on the surface of the new fan main body, ventilation holes are symmetrically formed in the surface of the U-shaped fixed plate, fans are symmetrically and fixedly installed in the new fan main body, a precise filter plate is placed in the ventilation holes and is positioned at the air inlet of the fans, and a fixing mechanism is arranged on the surface of the back cover plate; the utility model discloses a through frame both sides and sliding clamping groove matching block, be convenient for dismantle the washing and change to first filter screen piece, the dispersion is admitted air and can be reduced the atress of first filter screen piece, has prolonged the life of first filter screen piece and has improved the work efficiency of new fan main part.

Description

New fan that can disperse filter screen pressure that admits air

Technical Field

The utility model belongs to the technical field of new fan, concretely relates to new fan that can disperse air inlet filter screen pressure.

Background

The fresh air machine is an effective air purification device, can circulate indoor air, on one hand, discharges dirty indoor air outdoors, and on the other hand, inputs outdoor fresh air into the room after measures such as sterilization, disinfection, filtration and the like, so that the air in the room is fresh and clean at every moment.

Current new fan is when using, and first filter screen piece is concentrated because the ventilation hole wind pressure when using, and first filter screen piece lasts for a long time by wind-force and dust extrusion, leads to the net piece hole to enlarge and makes the dust get into new fan inside, reduces purifying effect, and because first filter screen piece and shell are fixed or formula structure as an organic whole through exempting from the nail to glue, lead to the inconvenient dismantlement of first filter screen piece to wash and sterile problem, we provide a new fan that can disperse air inlet filter screen pressure for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can disperse new fan of filter screen pressure of admitting air to propose current new fan when using among the above-mentioned background art of solution, first filter screen piece is when using because the ventilation hole wind pressure is concentrated, first filter screen piece lasts for a long time by wind-force and dust extrusion, lead to the net piece hole to enlarge and make the dust get into new fan inside, reduce purifying effect, and because first filter screen piece is fixed or formula structure as an organic whole through exempting from the nail glue with the shell, lead to the inconvenient dismantlement of first filter screen piece to wash and sterile problem.

In order to achieve the above object, the utility model provides a following technical scheme: a fresh air machine capable of dispersing the pressure of an air inlet filter screen comprises a fresh air machine main body and a rear cover plate fixedly installed on the surface of the fresh air machine main body, wherein a primary filter screen is installed on the surface of the rear cover plate, a U-shaped fixing plate is fixedly installed on the surface of the fresh air machine main body, ventilation holes are symmetrically formed in the surface of the U-shaped fixing plate, a fan is symmetrically and fixedly installed inside the fresh air machine main body, a precise filter plate is placed inside the ventilation holes and located at the air inlet of the fan, a fixing mechanism is arranged on the surface of the rear cover plate and comprises an annular sealing gasket, a frame, an L-shaped fixing strip, an annular clamping groove, a threaded hole and a sliding clamping groove, a rectangular air inlet is formed in the surface of the rear cover plate, the annular sealing gasket is fixedly installed inside the annular clamping groove, the recess is seted up on the surface of back shroud and is communicated with the rectangle air intake, the frame installation is fixed around the surface of first filter screen piece, the inside at sliding clamping groove is placed respectively to the frame of the both sides of first filter screen piece, threaded hole is seted up at the surperficial top of frame, sliding clamping groove sets up the side at L type fixed strip, the internal surface both sides position at the recess is fixed in the installation of L type fixed strip symmetry, the internal surface of U type fixed plate is provided with slide mechanism.

Preferably, slide mechanism includes the stay cord area, cross recess screw, fixed slot, fixed arch and sliding tray, the top at the precision filter is fixed in the stay cord area symmetry installation, the cross recess screw symmetry installation is fixed in the surperficial top corner of U type fixed plate, U type fixed plate forms the fixed slot with new fan owner and matches with the precision filter, fixed protruding symmetry installation is fixed in the both sides of precision filter and is placed in the inside of sliding tray, the sliding tray symmetry is seted up in the internal surface both sides of U type fixed plate.

Preferably, the surface of the rear cover plate is symmetrically provided with positioning holes.

Preferably, the top of the middle of the surface of the rear cover plate is provided with a hand digging groove, and anti-skid grains are arranged inside the hand digging groove.

Preferably, the surface mounting of new fan main part is provided with the pilot lamp.

Preferably, air outlets are formed in two sides of the fresh air machine main body, and electric heating wires are arranged inside the air outlets.

Preferably, a power line is connected to a corner of the bottom end of the fresh air machine main body, and a touch control key is arranged on the upper surface of the fresh air machine main body.

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

(1) the utility model discloses a through frame both sides and sliding clamping groove matching block, be convenient for dismantle the washing and change to first filter screen piece, the dispersion is admitted air and can be reduced the atress of first filter screen piece, has prolonged the life of first filter screen piece and has improved the work efficiency of new fan main part.

(2) The utility model discloses a through fixed protrusion and sliding tray matched block can pinpoint when being convenient for the precision filter installation, and avoid the precision filter to slide in the inside of fixed slot, reduced the fault rate of new fan main part.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view structure schematic diagram of the fresh air machine main body of the present invention;

fig. 3 is a schematic structural view of the present invention, in which the annular sealing gasket is removed from fig. 1;

fig. 4 is an enlarged cross-sectional view of the area a in fig. 3 according to the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the L-shaped fixing strip of the present invention;

fig. 6 is a schematic view of the fresh air machine main body of the present invention with the rear cover plate removed;

fig. 7 is a schematic structural view of the utility model with the U-shaped fixing plate removed in fig. 6;

fig. 8 is an enlarged schematic structural view of the area B in fig. 6 according to the present invention;

fig. 9 is a schematic view of the top view of fig. 8 along C-C of the present invention;

in the figure: 1. a fresh air machine main body; 2. positioning holes; 3. digging a groove by hand; 4. a rear cover plate; 5. an annular seal; 6. primary filter mesh sheets; 7. an indicator light; 8. a frame; 9. an L-shaped fixing strip; 10. an annular neck; 11. a groove; 12. a threaded hole; 13. a sliding clamping groove; 14. a U-shaped fixing plate; 15. a vent hole; 16. pulling the ring belt; 17. a precision filter plate; 18. a cross-recessed screw; 19. fixing grooves; 20. a fixed protrusion; 21. a sliding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9, the present invention provides a technical solution: a fresh air machine capable of dispersing the pressure of an air inlet filter screen comprises a fresh air machine main body 1 and a rear cover plate 4 fixedly installed on the surface of the fresh air machine main body 1, a primary filter screen sheet 6 is installed on the surface of the rear cover plate 4, a U-shaped fixing plate 14 is fixedly installed on the surface of the fresh air machine main body 1, vent holes 15 are symmetrically formed in the surface of the U-shaped fixing plate 14, a fan is symmetrically installed and fixed inside the fresh air machine main body 1, a precise filter plate 17 is placed inside the vent holes 15 and located at an air inlet of the fan, a fixing mechanism is arranged on the surface of the rear cover plate 4 and comprises an annular sealing gasket 5, a frame 8, an L-shaped fixing strip 9, an annular clamping groove 10, a groove 11, a threaded hole 12 and a sliding clamping groove 13, a rectangular air inlet is formed in the surface of the rear cover plate 4, the annular sealing gasket 5, the surface of the annular sealing gasket 5 is convenient to be tightly attached to the wall surface, air leakage when a rectangular air inlet on the surface of the rear cover plate 4 is fed is avoided, the annular clamping groove 10 is formed in the surface of the rear cover plate 4 and is positioned at the outer ring of the groove 11, the groove 11 is formed in the surface of the rear cover plate 4 and is communicated with the rectangular air inlet, the frames 8 are fixedly installed on the periphery of the outer surface of the primary filter screen 6, the frames 8 on the two sides of the primary filter screen 6 are respectively placed in the sliding clamping grooves 13, the top of the surface of each frame 8 is provided with the threaded hole 12, the sliding clamping grooves 13 are formed in the side surfaces of the L-shaped fixing strips 9, the L-shaped fixing strips 9 are symmetrically installed and fixed at the two sides of the inner surface of the groove 11, the primary filter screen 6 is conveniently installed and fixed in the groove 11 and blocks the rectangular air inlet, when the primary filter screen 6, simultaneously through two inside fans of new fan main part 1 to first filter screen 6 dispersed pressure, avoid first filter screen 6 to ventilate and make the wind pressure concentrate on the mesh grow that leads to first filter screen 6 a bit, prolonged first filter screen 6's life and improved new fan main part 1 to air purification's effect, and accelerate indoor air's circulation and improve indoor air quality, the internal surface of U type fixed plate 14 is provided with slide mechanism.

In the embodiment, preferably, the sliding mechanism comprises a pull ring belt 16, cross recessed screws 18, a fixing groove 19, a fixing protrusion 20 and a sliding groove 21, the pull ring belt 16 is symmetrically installed and fixed at the top end of the fine filter plate 17, the cross recessed screws 18 are symmetrically installed and fixed at the top corner of the surface of the U-shaped fixing plate 14, the U-shaped fixing plate 14 and the fresh air fan body 1 form the fixing groove 19 and match with the fine filter plate 17, the fixing protrusions 20 are symmetrically installed and fixed at the two sides of the fine filter plate 17 and placed inside the sliding groove 21, the sliding groove 21 is symmetrically arranged at the two sides of the inner surface of the U-shaped fixing plate 14, the fixing protrusions 20 and the sliding groove 21 are matched and clamped to facilitate accurate positioning when the fine filter plate 17 is installed, and prevent the fine filter plate 17 from sliding inside the fixing groove 19, and facilitate the fine filter plate 17 to be, and the service life of the fresh air machine main body 1 is prolonged.

In this embodiment, preferably, the positioning holes 2 are symmetrically formed in the surface of the rear cover plate 4, so that the rear cover plate can be hung on the supporting rod of the wall surface through the positioning holes 2.

In this embodiment, preferably, the middle top of the surface of the rear cover plate 4 is provided with a hand digging groove 3, and the hand digging groove 3 is internally provided with anti-slip lines, so that the fresh air machine main body 1 can be lifted, moved and carried conveniently.

In this embodiment, preferably, the indicator light 7 is installed on the surface of the fresh air machine main body 1, so that a user can observe the working state of the fresh air machine main body 1 conveniently.

In this embodiment, preferably, air outlets are formed in both sides of the fresh air blower main body 1, and electric heating wires are installed inside the air outlets, so that the fresh air blower main body is helpful for heating the blown air in winter and keeping the indoor temperature balanced.

In this embodiment, preferably, a power cord is connected to a corner of the bottom end of the fresh air blower main body 1, and a touch control button is arranged on the upper surface of the fresh air blower main body 1, so that a user can operate and use the fresh air blower main body conveniently.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the precision filter plate 17 is installed and inserted into the fixed groove 19 from top to bottom, and simultaneously the fixed protrusion 20 is inserted into the sliding groove 21, so that the precision filter plate 17 is accurately assembled at the air inlet of the fan in the fresh air fan main body 1, then the cross-groove screw 18 is installed and fixed on the surface of the U-shaped fixed plate 14, thereby avoiding the precision filter plate 17 from moving in the fixed groove 19, then the back cover plate 4 is installed on the surface of the fresh air fan main body 1 and covers the U-shaped fixed plate 14, then the primary filter screen 6 is installed and placed at the rectangular air inlet on the surface of the back cover plate 4, when the primary filter screen 6 is installed, the frames 8 at two sides of the primary filter screen 6 are inserted into the sliding clamping groove 13 from top to bottom, then the bolt penetrates through the surface of the L-shaped fixed strip 9 and is screwed and fixed with the threaded hole, install annular sealing pad 5 afterwards and fix the inside at ring groove 10, erect new fan main part 1 again and hang on the wall and make first filter screen piece 6 aim at the fresh air inlet, let annular sealing pad 5 hug closely at the wall simultaneously, can use the utility model after the installation is accomplished, two fan air intakes of inside through new fan main part 1 aim at the position in ventilation hole 15 when using, the wind pressure is to the pressure on first filter screen piece 6 surface to both sides dispersion when making induced draft, the wind pressure that the first filter screen piece 6 in surface received is concentrated on a bit, the life of the first filter screen piece 6 of extension has improved the purifying effect of new fan main part 1 to the air.

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

Claims

1. The utility model provides a can disperse new fan of filter screen pressure of admitting air, includes new fan main part (1) and the fixed back shroud (4) of new fan main part (1) surface mounting, the surface mounting of back shroud (4) is provided with first filter screen piece (6), the surface mounting of new fan main part (1) is fixed with U type fixed plate (14), ventilation hole (15) have been seted up to the surface symmetry of U type fixed plate (14), the internal symmetry installation of new fan main part (1) is fixed with the fan, precision filter (17) have been placed and have been located fan air intake department to the inside in ventilation hole (15), its characterized in that: the surface of back shroud (4) is provided with fixed establishment, fixed establishment includes that annular sealing gasket (5), frame (8), L type fixed strip (9), ring groove (10), recess (11), screw hole (12) and sliding clamping groove (13), the rectangle air intake has been seted up on the surface of back shroud (4), annular sealing gasket (5) erection fixation is in the inside of ring groove (10), ring groove (10) are seted up on the surface of back shroud (4) and are located the outer lane of recess (11), recess (11) are seted up on the surface of back shroud (4) and are communicated with the rectangle air intake, frame (8) erection fixation is around the surface of first filter screen piece (6), frame (8) of the both sides of first filter screen piece (6) are placed respectively in the inside of sliding clamping groove (13), screw hole (12) have been seted up at the surface top of frame (8), the side at L type fixed strip (9) is seted up in slip draw-in groove (13), the internal surface both sides position at recess (11) is fixed in L type fixed strip (9) symmetry installation, the internal surface of U type fixed plate (14) is provided with slide mechanism.

2. The fresh air machine capable of dispersing the pressure of an air inlet filter screen according to claim 1, characterized in that: slide mechanism includes pull ring area (16), cross recess screw (18), fixed slot (19), fixed arch (20) and sliding tray (21), the top at precision filter (17) is fixed in the installation of pull ring area (16) symmetry, the top corner at the surface top of U type fixed plate (14) is fixed in the installation of cross recess screw (18) symmetry, U type fixed plate (14) and new fan main part (1) form fixed slot (19) and with precision filter (17) phase-match, fixed arch (20) symmetry installation is fixed in the both sides of precision filter (17) and is placed the inside at sliding tray (21), the internal surface both sides at U type fixed plate (14) are seted up to sliding tray (21) symmetry.

3. The fresh air machine capable of dispersing the pressure of an air inlet filter screen according to claim 1, characterized in that: the surface of the rear cover plate (4) is symmetrically provided with positioning holes (2).

4. The fresh air machine capable of dispersing the pressure of an air inlet filter screen according to claim 1, characterized in that: the middle top of the surface of the rear cover plate (4) is provided with a hand digging groove (3), and anti-skid lines are arranged inside the hand digging groove (3).

5. The fresh air machine capable of dispersing the pressure of an air inlet filter screen according to claim 1, characterized in that: and an indicator light (7) is arranged on the surface of the fresh air machine main body (1).

6. The fresh air machine capable of dispersing the pressure of an air inlet filter screen according to claim 1, characterized in that: air outlets are formed in two sides of the fresh air machine main body (1), and electric heating wires are arranged inside the air outlets.

7. The fresh air machine capable of dispersing the pressure of an air inlet filter screen according to claim 1, characterized in that: the bottom corner of new fan main part (1) is connected with the power cord, the last surface mounting of new fan main part (1) is provided with the touch control button.