CN115254788A

CN115254788A - Rotating part, dust remover shell and dust remover

Info

Publication number: CN115254788A
Application number: CN202210949712.2A
Authority: CN
Inventors: 甘洪椿
Original assignee: Shenzhen Maifang Technology Co ltd
Current assignee: Shenzhen Maifang Technology Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-01

Abstract

The invention discloses a rotating part, a dust remover shell and a dust remover, wherein the rotating part comprises a body and a positioning part, the positioning part comprises a connecting part and a positioning bulge, the connecting part is of a hollow structure with openings at two ends, the connecting part is arranged on the peripheral wall of the body, and the positioning bulge is arranged on one side, far away from the body, of the connecting part; the positioning bulge can radially press the connecting part under the action of radial pressure along the body so as to deform and contract the connecting part. When the handle was in primary importance or second position, the location is protruding to be counterpointed with the constant head tank that sets up on the inner wall of handle, the inner wall of handle can't continue to exert the effect of following body radial pressure and radial extrusion connecting portion to the location arch this moment, and should not receive extruded connecting portion and can the reconversion, make the location arch can block into the constant head tank and realize the block, thereby fix a position the handle in primary importance or second position, so that the operator is using the in-process of dust remover shell, the handle can not rotate and influence the use relative to the main part.

Description

Rotating part, dust remover shell and dust remover

Technical Field

The invention relates to the technical field of dust removers, in particular to a rotating member, a dust remover shell and a dust remover.

Background

Dust is generated frequently in industrial production, and a dust remover is required to remove the dust in a position with small space. The current dust shaker can blow at both ends usually, and the handle and the main part of dust shaker rotate to be connected, so that the handle can switch between primary importance and second position, the operator can rotate handle to primary importance or second position selectively like this, with the relative both ends of convenient to use main part, and when the handle was in primary importance and second position, the direction of the center pin of handle all can form the obtuse angle with the direction of the center pin of main part, the comfort level that the user held the handle is high, user experience feels good. However, when the handle is rotated to the first position or the second position, the handle is often not positioned at the specific position, and is easily over-rotated relative to the main body, so that the use by the operator is inconvenient.

Disclosure of Invention

In view of the above, it is necessary to provide a rotating member, a dust remover housing and a dust remover, which can realize the rotational positioning of a handle to a first position or a second position.

A rotating piece comprises a body and a positioning part, wherein the positioning part comprises a connecting part and a positioning bulge, the connecting part is of a hollow structure with two open ends, the connecting part is arranged on the outer peripheral wall of the body, and the positioning bulge is arranged on one side of the connecting part, which is far away from the body; the positioning bulge can radially press the connecting part under the action of radial pressure along the body so as to deform and contract the connecting part.

In one embodiment, the number of the positioning parts is multiple, and the plurality of the positioning parts are arranged on the peripheral wall of the body at intervals.

In one embodiment, one side surface of the connecting part, which faces away from the body, is a curved surface, and the maximum radial dimension of the curved surface is smaller than the radial dimension of the positioning protrusion.

In one embodiment, the body, the connecting portion and the positioning protrusion are integrally formed plastic structures.

In one embodiment, the body is a hollow structure, the positioning portion is formed at one end of the body, and an end face of the positioning portion is flush with an end face of the body where the positioning portion is disposed.

In one embodiment, a limiting part is arranged at the end part of the body far away from the positioning part, and the limiting part is a rectangular block or a rectangular groove.

In one embodiment, the positioning projection is provided at the center of the connecting portion, and the intermediate region of the connecting portion is equal in thickness in the radial direction on a circumferential path along the connecting portion.

In one embodiment, on a circumferential path along the connecting portion, the thickness value of both end portions of the connecting portion for connection with the body is greater than the thickness value of a middle region of the connecting portion.

A dust shaker housing, comprising: the rotating part, the main body and the handle are arranged, one end of the body is fixedly connected with the main body, the other end of the body is rotatably arranged in the handle, the positioning part is positioned in the handle, a positioning groove is formed in the inner wall of the handle, the first end and the second end, opposite to the main body, of the body can blow air or suck air, the handle can rotate around the central shaft of the rotating part relative to the main body through the body so as to enable the handle to be switched between a first position and a second position, when the handle is at the first position, the direction of the central shaft of the handle and the direction of blowing air or sucking air at the first end of the main body are arranged in an obtuse angle, and when the handle is at the second position, the direction of the central shaft of the handle and the direction of blowing air or sucking air at the second end of the main body are arranged in an obtuse angle; the central shaft of the handle, the central shaft of the main body and the central shaft of the rotating piece are positioned in the same plane; or the track of the central shaft movement of the handle forms at least one part of a conical surface;

when the handle is not at the first position and the second position, the inner wall of the handle can apply the action of radial pressure along the body to the positioning protrusion to radially press the connecting part, so that the connecting part is deformed and contracted, and the positioning part can integrally rotate relative to the handle along with the body; when the handle is at the first position or the second position, the connecting portion can restore to the original state, so that the positioning protrusion can be elastically engaged with the positioning groove under the elastic force released by the connecting portion and position the handle at the first position or the second position.

A dust shaker, comprising: the dust remover shell and the fan assembly are arranged in the main body, the fan assembly comprises a motor and an impeller connected with the motor, the motor can drive the impeller to rotate so as to drive the first end of the main body and the second end of the main body to suck or blow simultaneously, or one of the first end of the main body and the second end of the main body blows, and the other of the first end of the main body and the second end of the main body sucks air.

When the rotating piece is arranged in the dust remover shell, one end of the body is fixedly connected with the main body of the dust remover shell, the other end of the body is rotatably arranged in a handle of the dust remover shell, the first end and the second end, opposite to the main body, of the body can blow air or suck air, the handle can rotate around the central shaft of the rotating piece through the body, opposite to the main body, so that the handle can be switched between a first position and a second position, when the handle is at the first position, the central shaft direction of the handle and the blowing air or sucking air direction of the first end of the main body are arranged in an obtuse angle, and when the handle is at the second position, the central shaft direction of the handle and the blowing air or sucking air direction of the second end of the main body are arranged in an obtuse angle; the central shaft of the handle, the central shaft of the main body and the central shaft of the rotating member are positioned in the same plane, so that a user can hold the handle to selectively use the first end or the second end of the main body to remove dirt. The handle passes through the body with the main part and rotates and be connected for the user is when using the first end or the second end of main part, and the handle all can rotate to the center pin direction that makes the handle and the center pin direction of main part (be the blowing or the direction of breathing in of main part) and be the obtuse angle setting, and the comfort level that the user held the handle is high, and user experience feels good.

In addition, when the rotating part is installed in the dust remover shell, the positioning part is positioned in the handle, when the handle is not at the first position and the second position, the inner wall of the handle can apply the action of radial pressure along the body to the positioning bulge to radially extrude the hollow connecting part with two open ends, so that the connecting part deforms and contracts, the positioning part can integrally rotate relative to the handle along with the body, and the handle can be freely switched between the first position and the second position; and when the handle was in primary importance or second position, the location arch was counterpointed with the constant head tank that sets up on the inner wall of handle, the inner wall of handle can't continue to exert along the effect of body radial pressure to the location arch and radial extrusion connecting portion this moment, and should not receive extruded connecting portion can the reconversion, make the location arch can block the constant head tank and realize the elasticity block under the elastic force effect that connecting portion released, thereby fix a position the handle in primary importance or second position, so that the operator is using the in-process of dust remover shell, the handle can not rotate and influence the use by relative main part. Moreover, in the scheme, the connecting part with the hollow structure is arranged, so that the deformation performance of the connecting part can be enhanced, and the connecting part can be ensured to be extruded and deformed even if the connecting part is made of relatively hard plastic materials (namely, the hardness of the connecting part is higher).

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is an exploded view of a rotary member and a connecting base in one embodiment;

FIG. 2 is a partial cross-sectional view of a dust extractor in one embodiment;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is an exploded view of the mounting block and the connecting block in one embodiment;

FIG. 5 is a schematic view of an exemplary embodiment of a dust collector;

FIG. 6 is an exploded view of the handle housing in one embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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.

It should be noted that all directional indicators (such as up, down, left, right, front, and back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicators are changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 3, the present application provides a rotating member 300, the rotating member 300 is configured to be installed in a dust remover housing 101, and the dust remover housing 101 can blow or suck air to remove dirt in a narrow space, such as dust at a corner of some precision instrument, and can absorb the dust into the dust remover housing 101 by sucking air or blow the dust off by blowing air, which can achieve the purpose of removing dirt.

This rotating member 300 includes body 310 and location portion 320, and location portion 320 includes connecting portion 321 and location arch 322, and connecting portion 321 is both ends open-ended hollow structure, and connecting portion 321 sets up on the periphery wall of body 310, and location arch 322 sets up in the one side that body 310 was kept away from to connecting portion 321, and location arch 322 can be receiving along the effect of body 310 radial pressure and radially extrude connecting portion 321 so that connecting portion 321 takes place to warp the shrink.

When the rotating member 300 is installed in the dust remover housing 101, one end of the body 310 is fixedly connected with the main body 100 of the dust remover housing 101, the other end of the body 310 is rotatably arranged in the handle 200 of the dust remover housing 101, the opposite first end 110 and second end 120 of the main body 100 can blow or suck air, the handle 200 can rotate around the central axis of the rotating member 300 relative to the main body 100 through the body 310, so that the handle 200 can be switched between a first position and a second position, when the handle 200 is at the first position, the central axis direction of the handle 200 is arranged at an obtuse angle with the blowing or sucking direction of the first end 110 of the main body 100, and when the handle 200 is at the second position, the central axis direction of the handle 200 is arranged at an obtuse angle with the blowing or sucking direction of the second end 120 of the main body 100; the central axis of the handle 200, the central axis of the body 100, and the central axis of the rotary member 300 are located in the same plane, or the locus of the movement of the central axis of the handle 200 forms at least a part of a tapered surface. Thus, a user can hold the handle 200 and selectively use the first end 110 or the second end 120 of the body 100 to remove dirt. The handle 200 is rotatably connected to the main body 100 through the body 310, so that when the user uses the first end 110 or the second end 120 of the main body 100, the handle 200 can be rotated to a position where the central axis direction of the handle 200 and the central axis direction of the main body 100 (i.e., the blowing or sucking direction of the main body 100) form an obtuse angle, the user has a high comfort level for holding the handle 200, and the user experience is good.

In addition, when the rotating member 300 is installed in the dust remover housing 101, the positioning part 320 is located in the handle 200, when the handle 200 is not at the first position and the second position, the inner wall of the handle 200 can apply a pressure force along the radial direction of the body 310 to the positioning protrusion 322 to radially press the hollow connecting part 321 with two open ends, so that the connecting part 321 is deformed and contracted, and the whole positioning part 320 can rotate relative to the handle 200 along with the body 310, so that the handle 200 can be freely switched between the first position and the second position; when the handle 200 is at the first position or the second position, the positioning protrusion 322 is aligned with the positioning groove 410 disposed on the inner wall of the handle 200, at this time, the inner wall of the handle 200 cannot continuously apply a radial pressure to the positioning protrusion 322 along the body 310 to radially press the connecting portion 321, and the connecting portion 321 which is not pressed can be restored to the original state, so that the positioning protrusion 322 can be clamped into the positioning groove 410 under the elastic force released by the connecting portion 321 to realize elastic clamping, thereby positioning the handle 200 at the first position or the second position, so that the handle 200 cannot rotate relative to the main body 100 to affect use in the process of using the dust remover housing 101 by an operator. In addition, in this embodiment, the connection portion 321 having a hollow structure is provided to enhance the deformation performance of the connection portion 321, and even if the connection portion 321 is made of relatively hard plastic material (i.e., the connection portion 321 has high hardness), the connection portion 321 can be ensured to be deformed by extrusion.

As shown in fig. 1, in an embodiment, the number of the positioning portions 320 is multiple, the positioning portions 320 are disposed on the outer circumferential wall of the body 310 at intervals, specifically, the number of the positioning grooves 410 is also multiple, the positioning grooves 410 are disposed on the inner wall of the handle 200 at intervals, and the positioning portions 320 correspond to the positioning grooves 410 one to one.

Specifically, in this embodiment, the number of the positioning portions 320 and the positioning grooves 410 is two, two positioning portions 320 are disposed on the outer peripheral wall of the body 310 at intervals, two positioning grooves 410 are disposed on the inner wall of the handle 200 at intervals, and two positioning portions 320 correspond to two positioning grooves 410 one to one respectively. Further, the straight line where the two positioning portions 320 are located passes through the center of the body 310, the two positioning grooves 410 and the two positioning portions 320 are correspondingly arranged on the rotation path of the body 310, and when the handle 200 is located at the first position or the second position, the two positioning portions 320 are respectively in fit and clamping connection with the two positioning grooves 410, so that the handle 200 and the main body 100 are relatively fixed.

In an embodiment, the body 310, the connecting portion 321 and the positioning protrusion 322 are integrally formed by a plastic structure, and compared with a snap structure in which a spring or a spring is separately disposed, the integrally injection molded rotating member 300 simplifies the structure and manufacturing process cost of the rotating member 300. Meanwhile, the integrally injection molded rotary member 300 may be made of a relatively hard plastic material, and even if the hardness of the plastic material is high, the connecting portion 321 may be deformed due to its hollow structure.

The outer contour of the connecting portion 321 matches the inner wall contour of the handle 200 so as to facilitate the rotation of the positioning portion 320 in the handle 200, specifically, the inner wall contour of the handle 200 is arc-shaped, the outer contour of the connecting portion 321 is arc-shaped, and the connecting portion 321 extends in an arc shape with the center of the rotating member 300 as the center.

Further, the outer contour of the positioning protrusion 322 matches the inner contour of the positioning groove 410, so as to better achieve the engagement between the positioning protrusion 322 and the positioning groove 410. Specifically, the positioning protrusion 322 has a semi-cylindrical shape, and the positioning protrusion 322 extends in a first direction parallel to the central axis of the rotary member 300.

As shown in fig. 1, a side surface of the connecting portion 321 facing away from the body 310 is a curved surface, and a maximum radial dimension of the curved surface is smaller than a radial dimension of the positioning protrusion 322.

Further, the thickness value of the two end portions of the connecting portion 321 for connecting with the body 310 is larger than the thickness value of the middle region of the connecting portion 321 on the circumferential path along the connecting portion 321, so that the deformation performance of the connecting portion 321 can be ensured on the premise of ensuring the connection strength between the connecting portion 321 and the body 310.

Further, the positioning projection 322 is provided at the center of the connecting portion 321, and the thickness of the middle area of the connecting portion 321 in the radial direction is equal on a circumferential path along the connecting portion 321.

In the present embodiment, the body 310 is a hollow structure, the positioning portion 320 is formed at one end of the body 310, and an end surface of the positioning portion 320 is flush with an end surface of the body 310 where the positioning portion 320 is disposed. Specifically, the positioning part 320 is formed at one end of the body 310 facing the main body 100, and an end surface of the positioning part 320 facing the main body 100 is flush with an end surface of the body 310 facing the main body 100.

As shown in fig. 1, 3 and 4, a first limiting portion 330 is further disposed at an end of the main body 310 away from the positioning portion 320, and the first limiting portion 300 is a rectangular block or a rectangular groove. Specifically, a second limiting portion 510 is disposed on one side of the main body 100 facing the handle 200, one of the first limiting portion 300 and the second limiting portion 510 is a rectangular block, the other of the first limiting portion 300 and the second limiting portion 510 is a rectangular groove, and the first limiting portion 330 can cooperate with the second limiting portion 510 to realize circumferential limiting between the main body 310 and the main body 100.

In this embodiment, the first position-limiting portion 330 is disposed at an end of the main body 310 facing the main body 100, the first position-limiting portion 330 is a rectangular groove passing through the inner cavity of the main body 310, and the second position-limiting portion 510 is a rectangular block.

As shown in fig. 3, in an embodiment, a mounting seat 500 is disposed on a side of the main body 100 facing the handle 200, an end of the main body 310 away from the handle 200 is fixedly connected to the mounting seat 500, and a second limiting portion 510 is disposed on the mounting seat 500.

In an embodiment, the mounting seat 500 may be fixedly connected to the main body 100 as an integral body or detachably connected to the main body 100, and the mounting seat 500 of the embodiment is detachably connected to the main body 100 through a threaded fastener, so that the mounting seat 500 can be conveniently detached and replaced in a later period.

As shown in fig. 3 and 4, an installation groove 520 is disposed at an end of the installation seat 500 facing the body 310, an end of the body 310 away from the handle 200 is fixed in the installation groove 520, the second limiting portion 510 is disposed in the installation groove 520, and specifically, the second limiting portion 510 is disposed in a center of the installation groove 520.

As shown in fig. 1 and 3, in an embodiment, a connection seat 400 is disposed in a handle 200, the connection seat 400 is a hollow structure, one end of a body 310, which is away from a main body 100, is rotatably disposed in the connection seat 400, the handle 200 can rotate around a central axis of a rotary member 300 with respect to the main body 100 along with the connection seat 400, a positioning groove 410 is disposed on an inner wall of the connection seat 400, when the handle 200 is not in a first position and a second position, the inner wall of the connection seat 400 can apply a radial pressure to a positioning protrusion 322 along the body 310 to radially press the connection portion 321, so that the connection portion 321 deforms and contracts, and the positioning portion 320 can rotate with respect to the connection seat 400 along with the body 310 as a whole, and when the handle 200 is in the first position or the second position, the connection portion 321 can restore to an original shape, so that the positioning protrusion 322 can elastically engage with the positioning groove 410 under an elastic force released by the connection portion 321 to position the handle 200 in the first position or the second position.

Further, the connecting seat 400 includes a first connecting seat 420 and a second connecting seat 430 that are connected, the first connecting seat 420 is closer to the main body 100 than the second connecting seat 430 relatively, the first connecting seat 420 and the second connecting seat 430 are both hollow structures, the inner diameter of the first connecting seat 420 is greater than the inner diameter of the second connecting seat 430, the communicating part of the first connecting seat 420 and the second connecting seat 430 is formed with a first step 440 that is arranged towards the inside of the connecting seat 400, the first step 440 is arranged along the circumferential direction of the connecting seat 400, one end of the main body 310 far away from the main body 100 is rotatably arranged in the first connecting seat 420 and the second connecting seat 430, the positioning portion 320 is located in the first connecting seat 420, and the positioning portion 320 is supported on the first step 440, the positioning groove 410 is arranged on the inner wall of the first connecting seat 420.

As shown in fig. 1 and 3, in one embodiment, the connecting seat 400 has a third position-limiting portion 450, the inner wall of the handle 200 has a fourth position-limiting portion 210, one of the third position-limiting portion 450 and the fourth position-limiting portion 210 is a rectangular block, the other of the third position-limiting portion 450 and the fourth position-limiting portion 210 is a rectangular groove, and the third position-limiting portion 450 can cooperate with the fourth position-limiting portion 210 to circumferentially limit the connecting seat 400 in the handle 200. In one embodiment, the third position-limiting portion 450 is a rectangular block, and the fourth position-limiting portion 210 is a rectangular groove, and the rectangular block can be matched with the rectangular groove to circumferentially limit the connecting seat 400 in the handle 200.

Further, the second connecting seat 430 forms a third position-limiting portion 450, a supporting portion 220 is convexly disposed on an inner wall of the handle 200, the supporting portion 220 is disposed along a circumferential direction of the handle 200, and a fourth position-limiting portion 210 is disposed on the supporting portion 220.

Further, the outer diameter of the first connection seat 420 is greater than the outer diameter of the second connection seat 430, a second step 460 disposed toward the outside of the connection seat 400 is formed at the connection position of the first connection seat 420 and the second connection seat 430, the second step 460 is disposed along the circumferential direction of the connection seat 400, and the second step 460 is supported on the portion of the support portion 220 surrounding the fourth limiting portion 210.

As shown in fig. 4, in one embodiment, one end of the connection socket 400 is received in the mounting groove 520 of the mounting socket 500, and the connection socket 400 can rotate around the central axis of the rotary member 300 relative to the mounting groove 520. The outer side wall of the connecting seat 400 is provided with a blocking portion 470, the inner side wall of the mounting groove 520 is provided with a blocking groove 530, the blocking portion 470 is accommodated in the blocking groove 530 and can be abutted against two ends of the blocking groove 530, so that the blocking portion 470 can only rotate back and forth clockwise or counterclockwise within a preset angle range in the blocking groove 530 along with the connecting seat 400. In this way, when the handle 200 is switched between the first position and the second position, the handle can only rotate back and forth clockwise or counterclockwise within the preset angle range.

In one embodiment, the stop slot 530 is an arc slot with a predetermined angle of 180 degrees, and the stop portion 470 can only rotate back and forth clockwise or counterclockwise within 180 degrees in the stop slot 530 along with the connecting seat 400, so that the handle 200 can only rotate back and forth clockwise or counterclockwise within 180 degrees when switching between the first position and the second position.

Specifically, one end of the first connecting seat 420, which is away from the second connecting seat 430, is received in the mounting groove 520 of the mounting seat 500, the first connecting seat 420 can rotate around the central axis of the rotating member 300 relative to the mounting groove 520, and the outer sidewall of the first connecting seat 420 is provided with a blocking portion 470.

As shown in fig. 2, the present application further provides a dust remover housing 101, where the dust remover housing 101 includes the above-mentioned rotating member 300, a main body 100 and a handle 200, one end of a body 310 is fixedly connected to the main body 100, the other end of the body 310 is rotatably disposed in the handle 200, a positioning portion 320 is located in the handle 200, a positioning groove 410 is disposed on an inner wall of the handle 200, and a first end 110 and a second end 120 of the main body 100, which are opposite to each other, can blow air or suck air; the handle 200 can be rotated about the central axis of the rotary member 300 with respect to the main body 100 through the body 310 to switch the handle 200 between a first position in which the central axis direction of the handle 200 is arranged at an obtuse angle to the blowing or sucking direction of the first end 110 of the main body 100 and a second position in which the central axis direction of the handle 200 is arranged at an obtuse angle to the blowing or sucking direction of the second end 120 of the main body 100; the central axis of the handle 200, the central axis of the body 100, and the central axis of the rotary member 300 are located in the same plane; alternatively, the trajectory of the central axis movement of the handle 200 forms at least a portion of a conical surface.

When the handle 200 is not at the first position and the second position, the inner wall of the handle 200 can apply a radial pressure to the positioning protrusion 322 along the body 310 to radially press the connecting portion 321, so that the connecting portion 321 deforms and contracts, and the positioning portion 320 can integrally rotate relative to the handle 200 along with the body 310, and when the handle 200 is at the first position or the second position, the connecting portion 321 can restore to the original shape, so that the positioning protrusion 322 can be elastically clamped with the positioning groove 410 under the elastic force released by the connecting portion 321 and can position the handle 200 at the first position or the second position.

As shown in fig. 2 and 5, the present application further provides a dust remover 10, the dust remover 10 includes the dust remover housing 101 and a fan assembly 600, the fan assembly 600 is disposed in the main body 100, the fan assembly 600 includes a motor 610 and an impeller connected to the motor 610, the motor 610 can rotate the impeller to drive the first end 110 of the main body 100 and the second end 120 of the main body 100 to simultaneously suck or blow air, or one of the first end 110 of the main body 100 and the second end 120 of the main body 100 blows air, and the other of the first end 110 of the main body 100 and the second end 120 of the main body 100 sucks air.

As shown in fig. 2, in an embodiment, the first end 110 of the main body 100 is provided with a first vent 111, the second end 120 of the main body 100 is provided with a second vent 121, the vent cavity 102 is provided inside the main body 100, and the first vent 111 and the second vent 121 both communicate the vent cavity 102 and the outside of the main body 100. The first vent 111 and the second vent 121 inhale or blow air at the same time, or one of the first vent 111 and the second vent 121 blows air and the other of the first vent 111 and the second vent 121 inhales air. In an embodiment, the first air vent 111 sucks air, and the second air vent 121 blows air, so that the user can selectively align the first end 110 or the second end 120 of the main body 100 with a position where dust is to be removed to suck dust or blow dust off, according to actual conditions, so as to achieve the purpose of dust removal.

Specifically, in an embodiment, the motor 610 can drive the impeller to rotate so as to drive the first vent 111 and the second vent 121 to suck or blow air simultaneously, or one of the first vent 111 and the second vent 121 blows air and the other of the first vent 111 and the second vent 121 sucks air. In one embodiment, the motor 610 can drive the impeller to rotate so as to drive the first air inlet 111 to suck air and the second air inlet 121 to blow air.

In an embodiment, the first end 110 and/or the second end 120 of the main body 100 may be connected to an elongated air tube, and the main body 100 may suck or blow air through the air tube, and the elongated air tube may be conveniently inserted into a narrow space to remove dust, so that the dust removal is more convenient and effective. The trachea can be connected with main part 100 through fixed mode such as welding or integrated into one piece, also can be connected through detachable mode such as joint or threaded connection, and the trachea of this embodiment can be dismantled with main part 100 through the mode of joint and be connected.

As shown in fig. 5, in particular, the first end 110 of the main body 100 is provided with a coupling groove 112, the coupling groove 112 constituting a first vent hole 111, the coupling groove 112 extending toward the inside of the main body 100, the coupling groove 112 communicating the vent chamber 102 with the outside of the main body 100. The shape of the connecting slot 112 is not limited, and may be circular, rectangular, or oval, etc., the connecting slot 112 of this embodiment is oval, and the connecting slot 112 can be inserted into or separated from the first air tube 700 with an oval cross section. One end of the first air pipe 700, which is opposite to the main body 100, can be detachably inserted with a brush 710, one end of the brush 710, which is opposite to the first air pipe 700, can be circumferentially provided with a plurality of bristles 720 along the brush 710, the bristles 720 can act on dirt which is not easy to remove, the brush 710 is hollow, ventilation is facilitated, and dirt and use are more easily removed by matching with the bristles 720. In addition, the surface of the brush 710 facing away from the first air tube 700 is inclined, and the lengths of all the bristles 720 can be set to be the same, i.e. the plane of one end of each of the bristles 720 facing away from the brush 710 is also inclined, so that dirt can be removed more finely and conveniently.

As shown in fig. 2, in an embodiment, the main body 100 includes a first housing 130, a second housing 140, and a filter mesh enclosure 150, the first housing 130 is connected to the second housing 140, an end of the main body 310 away from the handle 200 is fixedly connected to the second housing 140, the first end 110 and the first vent 111 of the main body 100 are located at an end of the first housing 130 away from the second housing 140, the second end 120 and the second vent 121 of the main body 100 are located at an end of the second housing 140 away from the first housing 130, the fan assembly 600 is disposed in the second housing 140, the filter mesh enclosure 150 is disposed in the first housing 130 and between the fan assembly 600 and the first vent 111, and the airflow can enter the first housing 130 through the first vent 111 disposed on the first housing 130 under the suction effect of the fan assembly 600, then sequentially pass through the filter mesh enclosure 150 and the fan assembly 600, and finally be discharged from the second vent 121 disposed on the second housing 140. In addition, the filter screen 150 can filter impurities in the sucked air flow, so that the air flow blown out from the second vent 121 is purer, and new impurities cannot be introduced when the second vent 121 is used for blowing and impurity removal.

In an embodiment, the main body 100 further includes a first fixing portion 160 and a second fixing portion 170, the first fixing portion 160 and the second fixing portion 170 are both accommodated in the second casing 140, the first fixing portion 160 is disposed at an end of the second casing 140 close to the first casing 130, the second fixing portion 170 is disposed at an end of the second casing 140 far away from the first casing 130, and the motor 610 of the fan assembly 600 is limited between the first fixing portion 160 and the second fixing portion 170, so as to limit the motor 610 in a direction of a central axis of the main body 100. In an embodiment, the main body 100 further includes a shock pad 180, the shock pad 180 is disposed in the second housing 140, and the shock pad 180 abuts between the second fixing portion 170 and the motor 610, so as to reduce the vibration generated when the motor 610 drives the impeller to rotate.

In an embodiment, the main body 100 further includes a filtering cover plate 190, the filtering cover plate 190 is partially embedded in an end of the second casing 140 far from the first casing 130, the second end 120 and the second vent 121 of the main body 100 are located at an end of the filtering cover plate 190 exposed to the second casing 140, and the filtering cover plate 190 can further block impurities in the filtered air flow, so that the air flow blown out from the second vent 121 is cleaner, and when the second vent 121 is used for blowing and removing impurities, new impurities are not introduced.

As shown in fig. 2, in an embodiment, the handle 200 includes a handle housing 230 and a circuit board 240 disposed in the handle housing 230, one end of the body 310 away from the main body 100 is rotatably disposed in the handle housing 230, specifically, the handle housing 230 is snap-connected to the mounting seat 500, the connection seat 400 is disposed in the handle housing 230, a support 220 is convexly disposed on an inner wall of the handle housing 230, and the circuit board 240 is used for controlling the operation and stop of the fan assembly 600, so as to drive the first air vent 111 and the second air vent 121 to blow or suck dust.

Further, the handle 200 further includes a control button 250 disposed on the sidewall of the handle housing 230, and the control button 250 is electrically connected to the circuit board 240, and an operator can manually operate the control button 250 to control the operation and stop of the control fan assembly 600, so as to drive the first air vent 111 and the second air vent 121 to blow air or suck air for dust removal.

In one embodiment, the handle 200 further comprises a battery 260, the battery 260 is disposed in the handle housing 230 and electrically connected to the electric motors 610 of the dust remover 1010, and the battery 260 is used for supplying power to the electric motors 1010 of the dust remover 1010. Specifically, the power mechanism of the dust shaker 1010 may include, but is not limited to, a motor 610 and a circuit board 240.

In an embodiment, the handle 200 further includes a charging interface 270 disposed on the sidewall of the handle housing 230, the charging interface 270 is electrically connected to the battery 260, the charging interface 270 is used for charging the battery 260, and specifically, the charging interface 270 is electrically connected to the battery 260 through the circuit board 240.

As shown in fig. 6, in an embodiment, the handle housing 230 includes a first base shell 231 and a second base shell 232 that are abutted to each other, and specifically, the first base shell 231 and the second base shell 232 are detachably and fixedly connected by a threaded fastener, the connection seat 400, the circuit board 240 and the battery 260 are accommodated in a cavity defined by the first base shell 231 and the second base shell 232, and a portion of the supporting portion 220 is disposed on an inner wall of each of the first base shell 231 and the second base shell 232.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields directly/indirectly applied to the present invention are included in the scope of the present invention.

Claims

1. The rotating piece is characterized by comprising a body and a positioning part, wherein the positioning part comprises a connecting part and a positioning bulge, the connecting part is of a hollow structure with two open ends, the connecting part is arranged on the outer peripheral wall of the body, and the positioning bulge is arranged on one side, far away from the body, of the connecting part; the positioning bulge can radially press the connecting part under the action of radial pressure along the body so as to deform and contract the connecting part.

2. A rotary member according to claim 1, wherein the positioning portion is provided in plural number, and the plurality of positioning portions are provided at intervals on an outer peripheral wall of the body.

3. The rotating member according to claim 1, wherein a side surface of the connecting portion facing away from the body is a curved surface having a maximum radial dimension smaller than a radial dimension of the positioning projection.

4. The rotating member as claimed in claim 1, wherein the body, the connecting portion and the positioning protrusion are integrally formed plastic structures.

5. The rotating member according to claim 1, wherein the body has a hollow structure, the positioning portion is formed at one end of the body, and an end surface of the positioning portion is flush with an end surface of the body where the positioning portion is provided.

6. The rotating member according to claim 5, wherein a limiting portion is disposed at an end of the body away from the positioning portion, and the limiting portion is a rectangular block or a rectangular groove.

7. The rotary member according to claim 1, wherein the positioning projection is provided at a center of the connecting portion, and a thickness of a middle area of the connecting portion in a radial direction is equal on a circumferential path along the connecting portion.

8. A swivel according to claim 7, characterized in that the thickness value of both end parts of the connection part for connection with the body is larger than the thickness value of the middle area of the connection part on a circumferential path along the connection part.

9. A housing for a dust extractor, comprising: the rotating member, the main body and the handle according to any one of claims 1 to 8, wherein one end of the body is fixedly connected with the main body, the other end of the body is rotatably disposed in the handle, the positioning portion is located in the handle, a positioning groove is disposed on an inner wall of the handle, the first end and the second end of the body opposite to each other can blow or suck air, the handle can rotate relative to the main body around a central axis of the rotating member through the body so as to switch between a first position and a second position, when the handle is in the first position, the central axis of the handle is disposed at an obtuse angle with respect to the blowing or sucking direction of the first end of the main body, and when the handle is in the second position, the central axis of the handle is disposed at an obtuse angle with respect to the blowing or sucking direction of the second end of the main body; the central shaft of the handle, the central shaft of the main body and the central shaft of the rotating piece are positioned in the same plane; or the track of the central shaft movement of the handle forms at least one part of a conical surface;

when the handle is not at the first position and the second position, the inner wall of the handle can apply the action of radial pressure along the body to the positioning protrusion to radially press the connecting part, so that the connecting part is deformed and contracted, and the positioning part can integrally rotate relative to the handle along with the body; when the handle is at the first position or the second position, the connecting part can restore to the original state, so that the positioning protrusion can be elastically clamped with the positioning groove under the action of elastic force released by the connecting part and the handle is positioned at the first position or the second position.

10. A dust shaker, comprising: the dust collector housing and fan assembly of claim 9, wherein the fan assembly is disposed in the main body, the fan assembly comprises a motor and an impeller connected to the motor, the motor can drive the impeller to rotate to drive the first end of the main body and the second end of the main body to suck or blow air simultaneously, or one of the first end of the main body and the second end of the main body blows air, and the other of the first end of the main body and the second end of the main body sucks air.