CN211243168U

CN211243168U - Vibration/noise reduction type handheld dust collector

Info

Publication number: CN211243168U
Application number: CN201922123741.XU
Authority: CN
Inventors: 江宏君
Original assignee: Suzhou Efus Electric Co ltd
Current assignee: Suzhou Efus Electric Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-08-14
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a vibration/noise reduction type handheld dust catcher, including skeleton, handle, casing and air exhauster, handle integrated into one piece is in skeleton one side, casing fixed connection is in the skeleton top, the air exhauster is located inside the casing, damping device is installed on the inside top of casing, damping device includes bottom plate, sleeve, a spring, piston, damping plate, No. two springs, piston rod and backup pad respectively, air exhauster fixed connection is at the backup pad lower surface, the casing inner wall bonds there is the EVA foam-rubber cushion, EVA foam-rubber cushion surface integrated into one piece has circular arc type lug and circular arc type cavity. The utility model discloses an at casing and air exhauster internally mounted have damping device, the effectual vibrations that have slowed down the air exhauster during operation and produced prevent that the inside subassembly of casing from producing not hard up, increase of service life, the casing inner wall bonds and has the EVA foam-rubber cushion, the noise that the effectual reduction air exhauster during operation produced, environmental protection more.

Description

Vibration/noise reduction type handheld dust collector

Technical Field

The utility model relates to the technical field of household appliances, specifically a dust catcher is handed to vibration/noise reduction type.

Background

The hand-held cleaner can remove dust, and is mainly characterized in that an electric exhaust fan is arranged at the head part of the hand-held cleaner. The rotating shaft of the exhaust fan is provided with an air impeller, after the air impeller is electrified, the exhaust fan can generate suction and pressure at the rotating speed of 500 circles per second, air is discharged at high speed under the action of the suction and the pressure, air in the dust suction part at the front end of the air fan continuously supplements the air in the air fan, so that instant vacuum is generated inside the dust collector, a negative pressure brush, a long connecting pipe, a bent pipe, a hose and a hose joint are formed by the air in the dust collector and the external atmospheric pressure to enter a dust filter bag, impurities such as dust are retained in the dust filter bag, and the air is purified by a filter disc and then is discharged from.

The hand-held dust collector can complete different cleaning works by matching with different parts, for example, the floor can be cleaned by matching with a floor brush, a sofa surface, a bed sheet, a curtain and the like can be cleaned by matching with a flat hairbrush, and dust at small corners and dust and dirt in some household appliances can be cleaned by matching with a small suction nozzle.

However, the existing hand-held vacuum cleaner has the following disadvantages:

1. the handheld dust collector is internally provided with the electric exhaust fan, the electric exhaust fan vibrates during working, screws on the surface of the shell are easy to loosen or internal components are easy to deflect, and the service life is shortened.

2. The handheld dust collector generates noise when working, which is not beneficial to environmental protection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust catcher is handed to vibration/noise reduction type to solve current handheld dust catcher internally mounted in the above-mentioned background art and have electric air exhauster, electric air exhauster produces vibrations in work, arouses the not hard up or the subassembly of inside of casing surface screw to take place the offset position easily, reduces life, and handheld dust catcher makes noise in work, is unfavorable for the problem of environmental protection.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a handheld dust catcher of vibration/noise reduction type, includes skeleton, handle, casing and air exhauster, handle integrated into one piece is in skeleton one side, casing fixed connection is in the skeleton top, the air exhauster is located inside the casing, damping device is installed on the inside top of casing, damping device includes bottom plate, sleeve, a spring, piston, damping plate, No. two springs, piston rod and backup pad respectively, air exhauster fixed connection is at the backup pad lower surface, the casing inner wall bonds and has the EVA foam-rubber cushion, EVA foam-rubber cushion surface integrated into one piece has circular arc type lug and circular arc type cavity, circular arc type lug and circular arc type cavity are the array, and circular arc type lug and circular arc type cavity are equidistance and set up in turn.

Preferably, the dust collecting box is detachably connected to the lower portion of the machine shell, a dust collecting opening is formed in the left side wall of the dust collecting box, a dust collecting pipe is spirally inserted into the surface of the dust collecting opening, and dust is absorbed and stored through the dust collecting box and the dust collecting pipe.

Preferably, the handle surface bonds and has the rubber sleeve, handle surface swing joint has the button, the button is established ties mutually with the air exhauster, improves the frictional force between handle and the user hand through the rubber sleeve, improves stability.

Preferably, bottom plate fixed connection is on the inside top of casing, sleeve and bottom plate fixed connection, the inside top of sleeve is through a spring and piston fixed connection, the damping plate symmetry is installed at the sleeve inner wall, piston lateral wall and damping plate sliding connection, the piston lower surface is through No. two springs and the inside bottom fixed connection of sleeve, the piston passes through piston rod and backup pad fixed connection, has fine the performance of making an uproar of falling.

Preferably, the bottom plate and the support plate are fixedly connected through a corrugated hose, the sleeve and the piston rod are located inside the corrugated hose, and the corrugated hose protects components between the bottom plate and the support plate from dust.

Preferably, the radiating holes are formed in the surface of the machine shell, a baffle is fixedly connected to one side of the machine shell and located on one side of the radiating holes, sound absorbing cotton is bonded to the surface of one side, close to the radiating holes, of the baffle, and noise reduction processing is conducted on noise at the radiating holes.

The utility model provides a dust catcher is handed to vibration/noise reduction type possesses following beneficial effect:

(1) the utility model discloses a damping device is installed through casing inside top, damping device includes bottom plate, sleeve, spring, piston, damping plate, spring No. two respectively, piston rod and backup pad, air exhauster fixed connection is at the backup pad lower surface, bottom plate fixed connection is at the casing inside top, sleeve and bottom plate fixed connection, sleeve inside top is through spring and piston fixed connection, the damping plate symmetry is installed at the sleeve inner wall, the piston lateral wall is connected with the damping plate slip, the piston lower surface is through spring No. two and sleeve inside bottom fixed connection, the piston is through piston rod and backup pad fixed connection, when the air exhauster work, the vibrations that produce are transmitted to the backup pad, the backup pad drives piston rod and piston and along sleeve longitudinal sliding, the piston compresses spring No. one and spring No. two, the piston rubs with the damping plate of sleeve inner wall simultaneously, the homoenergetic is effectual slows down vibrations, improves the stability of casing internal component and surface bolt, prolongs handheld dust catcher life.

(2) The utility model discloses a casing inner wall bonds there is the EVA foam-rubber cushion, EVA foam-rubber cushion surface integrated into one piece has arc-shaped lug and arc-shaped cavity, arc-shaped lug and arc-shaped cavity are the array, and arc-shaped lug and arc-shaped cavity are equidistance and set up in turn, EVA foam-rubber cushion self has fine sound absorption and noise reduction performance, the further reinforcing noise reduction effect of arc-shaped lug and the arc-shaped cavity on cooperation surface, environmental protection more, the casing surface begins to have the louvre, casing one side fixedly connected with baffle, the baffle is located louvre one side, and the baffle is close to louvre one side surface and bonds and inhale the sound cotton, through installing the baffle in louvre department and inhaling the sound cotton, in the radiating to the air exhauster, the processing of making an.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the casing, the damping device and the EVA sponge pad of the present invention;

FIG. 3 is a schematic structural view of the damping device of the present invention;

fig. 4 is the structural schematic diagram of the EVA spongy cushion of the present invention.

In the figure: 1. a dust collection pipe; 2. a dust collecting box; 201. a dust suction port; 3. a framework; 4. a handle; 401. a button; 5. a rubber sleeve; 6. a housing; 601. heat dissipation holes; 7. a damping device; 701. a base plate; 702. a sleeve; 703. a first spring; 704. a piston; 705. a damping plate; 706. a second spring; 707. a piston rod; 708. a support plate; 8. an exhaust fan; 9. an EVA sponge cushion; 901. an arc-shaped bump; 902. a circular arc-shaped concave cavity; 10. a baffle plate; 11. sound-absorbing cotton; 12. a corrugated hose.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a vibration/noise reduction type handheld dust collector, includes skeleton 3, handle 4, casing 6 and

air exhauster

8, 4 integrated into one piece of handle are in skeleton 3 one side, 6 fixed connection of casing are in skeleton 3 tops, air exhauster 8 is located inside casing 6, damping device 7 is installed on the inside top of casing 6, damping device 7 includes bottom plate 701, sleeve 702, a spring 703, piston 704, damping plate 705, No. two springs 706, piston rod 707 and backup pad 708 respectively, 8 fixed connection of air exhauster are in backup pad 708 lower surfaces, 6 inner walls of casing bond there is EVA foam-rubber cushion 9, EVA foam-rubber cushion 9 surface integrated into one piece has circular arc type lug 901 and circular arc type cavity 902, circular arc type lug 901 and circular arc type cavity 902 are the array, and circular arc type lug 901 and circular arc type cavity 902 are equidistance setting in turn.

Preferably, the dust collecting box 2 is detachably connected to the lower portion of the machine shell 6, a dust suction opening 201 is formed in the left side wall of the dust collecting box 2, a dust suction pipe 1 is spirally inserted into the surface of the dust suction opening 201, dust is sucked through the dust suction pipe 1, and the dust is stored in the dust collecting box 2.

Preferably, 4 surface bonds of handle have

rubber sleeve

5, 4 surface swing joint of handle has button 401, button 401 establishes ties mutually with air exhauster 8, and rubber sleeve 5 has fine non-slip properties, controls the operating condition of air exhauster 8 through button 401.

Preferably, the bottom plate 701 is fixedly connected to the top end inside the housing 6, the sleeve 702 is fixedly connected to the bottom plate 701, the top end inside the sleeve 702 is fixedly connected to the piston 704 through a first spring 703, the damping plates 705 are symmetrically installed on the inner wall of the sleeve 702, the side wall of the piston 704 is slidably connected to the damping plate 705, the lower surface of the piston 704 is fixedly connected to the bottom end inside the sleeve 702 through a second spring 706, the piston 704 is fixedly connected to the support plate 708 through a piston rod 707, the piston 704 compresses the first spring 703 and the second spring 706, and meanwhile, the piston 704 is slidably connected to the damping plate 705 on the inner wall of the sleeve 702, so that the shock absorbing performance is good.

Preferably, the bottom plate 701 and the support plate 708 are fixedly connected by a corrugated hose 12, the sleeve 702 and the piston rod 707 are both located inside the corrugated hose 12, and the corrugated hose 12 protects the assembly between the bottom plate 701 and the support plate 708 from dust.

Preferably, the radiating holes 601 are formed in the surface of the casing 6, a baffle 10 is fixedly connected to one side of the casing 6, the baffle 10 is located on one side of the radiating holes 601, sound-absorbing cotton 11 is bonded to the surface of one side, close to the radiating holes 601, of the baffle 10, and noise of noise passing through the radiating holes 601 is reduced by the baffle 10 and the sound-absorbing cotton 11.

It should be noted that, when the handheld vacuum cleaner is in operation, the top end inside the casing 6 is provided with the shock-absorbing device 7, the shock-absorbing device 7 respectively comprises a bottom plate 701, a sleeve 702, a first spring 703, a piston 704, a damping plate 705, a second spring 706, a piston rod 707 and a support plate 708, the exhaust fan 8 is fixedly connected to the lower surface of the support plate 708, the bottom plate 701 is fixedly connected to the top end inside the casing 6, the sleeve 702 is fixedly connected to the bottom plate 701, the top end inside the sleeve 702 is fixedly connected to the piston 704 through the first spring 703, the damping plate 705 is symmetrically arranged on the inner wall of the sleeve 702, the side wall of the piston 704 is slidably connected to the damping plate 705, the lower surface of the piston 704 is fixedly connected to the bottom end inside the sleeve 702 through the second spring 706, the piston 704 is fixedly connected to the support plate 708 through the piston rod 707, when the exhaust fan 8 operates, the generated vibration, the piston 704 compresses the first spring 703 and the second spring 706, and meanwhile, the piston 704 rubs against the damping plate 705 on the inner wall of the sleeve 702, so that the vibration can be effectively reduced, the stability of components in the machine shell 6 and surface bolts is improved, and the service life of the handheld dust collector is prolonged; an EVA sponge cushion 9 is bonded on the inner wall of a casing 6, an arc-shaped bump 901 and an arc-shaped cavity 902 are integrally formed on the surface of the EVA sponge cushion 9, the arc-shaped bump 901 and the arc-shaped cavity 902 are arrays, the arc-shaped bump 901 and the arc-shaped cavity 902 are alternately arranged at equal intervals, the EVA sponge cushion 9 has good sound absorption and noise reduction performance, the arc-shaped bump 901 and the arc-shaped cavity 902 on the matching surface further enhance the noise reduction effect, and are more environment-friendly, radiating holes 601 are formed in the surface of the casing 6, a baffle 10 is fixedly connected to one side of the casing 6 and is positioned on one side of the radiating holes 601, sound absorption cotton 11 is bonded on the surface of one side of the baffle 10 close to the radiating holes 601, and the baffle 10 and the sound absorption cotton 11 are installed at the radiating holes 601, so that noise reduction treatment is performed; the model of the exhaust fan 8 is SAFD-150.

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 vibration/noise reduction type handheld dust collector, includes skeleton (3), handle (4), casing (6) and air exhauster (8), handle (4) integrated into one piece is in skeleton (3) one side, casing (6) fixed connection is in skeleton (3) top, inside air exhauster (8) are located casing (6), its characterized in that: damping device (7) are installed on the inside top of casing (6), damping device (7) include bottom plate (701), sleeve (702), spring (703), piston (704), damping plate (705), No. two spring (706), piston rod (707) and backup pad (708) respectively, air exhauster (8) fixed connection is in backup pad (708) lower surface, casing (6) inner wall bonds has EVA foam-rubber cushion (9), EVA foam-rubber cushion (9) surface integrated into one piece has circular arc type lug (901) and circular arc type cavity (902), circular arc type lug (901) and circular arc type cavity (902) are the array, and circular arc type lug (901) and circular arc type cavity (902) are equidistance and set up in turn.

2. The vibration/noise reduction handheld vacuum cleaner of claim 1, wherein: the dust collection box (2) is detachably connected below the machine shell (6), a dust collection port (201) is formed in the left side wall of the dust collection box (2), and a dust collection pipe (1) is spirally inserted into the surface of the dust collection port (201).

3. The vibration/noise reduction handheld vacuum cleaner of claim 1, wherein: the rubber sleeve (5) is bonded on the surface of the handle (4), the button (401) is movably connected on the surface of the handle (4), and the button (401) is connected with the exhaust fan (8) in series.

4. The vibration/noise reduction handheld vacuum cleaner of claim 1, wherein: the bottom plate (701) is fixedly connected to the top end inside the machine shell (6), the sleeve (702) is fixedly connected with the bottom plate (701), the top end inside the sleeve (702) is fixedly connected with the piston (704) through a first spring (703), the damping plates (705) are symmetrically installed on the inner wall of the sleeve (702), the side wall of the piston (704) is in sliding connection with the damping plates (705), the lower surface of the piston (704) is fixedly connected with the bottom end inside the sleeve (702) through a second spring (706), and the piston (704) is fixedly connected with the supporting plate (708) through a piston rod (707).

5. The vibration/noise reduction handheld vacuum cleaner of claim 1, wherein: the bottom plate (701) and the support plate (708) are fixedly connected through a corrugated hose (12), and the sleeve (702) and the piston rod (707) are located inside the corrugated hose (12).

6. The vibration/noise reduction handheld vacuum cleaner of claim 1, wherein: the radiating holes (601) are formed in the surface of the machine shell (6), a baffle (10) is fixedly connected to one side of the machine shell (6), the baffle (10) is located on one side of the radiating holes (601), and sound absorbing cotton (11) is bonded to the surface of one side, close to the radiating holes (601), of the baffle (10).