Hairbrush structure of handheld dust collector

Abstract

The utility model discloses a handheld dust collector brush structure which comprises an air guide pipe body, one end of the air guide pipe body is connected with a host air inlet pipe, the other end of the air guide pipe body is provided with a brush head, and the handheld dust collector brush structure is characterized in that a pneumatic rotating structure is arranged in an air inlet close to the brush head and comprises a base support, an impeller and a center shaft, the base support is arranged on the inner pipe wall of the air guide pipe body in a clamped mode, the impeller is arranged on the center shaft through a bearing in a sleeved mode, the center shaft is installed on the base support, a plurality of cleaning scraping pieces are arranged on the front end face of the impeller, and the working faces of the cleaning scraping pieces are matched with the cleaning face of the brush head. By arranging the pneumatic rotating structure, floating dust on the cleaning surface is cleaned, dust and sundries on the surface are picked up through the cleaning scraper and then sucked in through the air guide pipe, the cleaning capacity of the cleaning surface is improved, and the cleaning efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dust collector accessory, especially a handheld dust collector brush structure. BACKGROUND

[0002] In people's daily work and life, dust and debris inevitably accumulate on the surface of the desktop or other furniture, so a portable handheld (desktop) dust collector is needed to clean at any time, and therefore a brush is provided in the accessory of the handheld dust collector to suck in the dust and debris on the desktop.

[0003] The existing brush accessory usually includes a wind guide pipe, one end of which is connected with the air inlet pipe of the main machine, and the other end is a brush head with a brush.

[0004] However, it is found in actual use that since the brush is arranged on the edge of the wind guide pipe, the middle is the air inlet pipe, which is in a cavity state, the brush only keeps the wind guide pipe at a certain distance from the surface to be cleaned to facilitate the airflow, but it is not ideal for improving the cleaning effect, especially for cleaning the floating dust on the surface, which is not thorough and needs to be repeated multiple times, thus reducing the cleaning efficiency and prolonging the cleaning time. SUMMARY

[0005] The utility model aims at providing a handheld dust collector brush structure, which is improved in structure to better fit the surface of the cleaning object, improve the dust collection effect, and is convenient to operate.

[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of a handheld dust collector brush structure, which includes a wind guide pipe body, one end of which is connected with the air inlet pipe of the main machine, and the other end is provided with a brush head.

[0007] In the above technical scheme, the outer edge surface of the base support is provided with a buckle, the inner pipe wall is provided with a protrusion matched with the buckle, and the base support and the inner pipe wall are clamped and fixed.

[0008] The impeller comprises a plurality of blades and a center sleeve, the center sleeve is installed on the center shaft through the bearing, the blades are uniformly distributed at the position close to the rear end surface of the center sleeve, the front end surface of the center sleeve is provided with a plurality of scraping grooves, the groove opening faces the cleaning surface, and the cleaning scraper is arranged in the scraping groove.

[0009] Further, a horizontal installation platform is arranged at the front end surface of each blade, the scraping groove is arranged on the installation platform, the cleaning scraper is a T-shaped silica gel piece, a convex rib is arranged on the groove wall of the scraping groove, and the T-shaped end of the cleaning scraper is limited below the convex rib.

[0010] In the technical scheme, a buffer compression spring is arranged outside the center shaft, one end of the buffer compression spring abuts against the convex ring of the center shaft, the other end abuts against the base support, and the center shaft and the impeller have the freedom of axial movement by compressing the buffer compression spring.

[0011] In the technical scheme, a buffer compression spring is arranged outside the center shaft, one end of the buffer compression spring abuts against the convex ring of the center shaft, the other end abuts against the base support, and the center shaft and the impeller have the freedom of axial movement by compressing the buffer compression spring.

[0012] Thanks to the technical scheme, the utility model has the following advantages compared with the prior art:

[0013] 1. The wind-driven rotating structure is arranged in the air inlet in the utility model, the impeller is driven to rotate by the incoming air, the cleaning scraper is also rotated, the working surface of the cleaning scraper matches the cleaning surface of the brush head, therefore, while the brush head cleans the surface (such as a table surface), the cleaning scraper lifts the dust on the surface into the air duct body, the cleaning efficiency is improved, the back and forth brushing of the brush head is avoided, and the cleaning effect is improved.

[0014] 2. The structure of the application is simple, no additional power source is needed, the air flow is directly used to drive the impeller to rotate, therefore, only the inner wall of the original air duct body needs to be slightly changed (a protrusion matched with the base support is added), the base support can be fixed, and the installation is simple and convenient.

[0015] 3. The buffer compression spring outside the center shaft is arranged, the air impeller can move axially, the cleaning scraper can be well attached to the cleaning surface, the cleaning degree is improved, and the buffer effect can be provided to protect the wind-driven rotating structure from being damaged. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The figure is a schematic view of the brush structure of the dust collector.

[0017] Figure 2is a schematic view of a cross section of A-A of Figure 1

[0018] Figure 3 is a schematic view of a wind-rotating structure of an embodiment provided by the present application;

[0019] Figure 4 is a schematic view of a front-side cleaning surface structure of Figure 3

[0020] Figure 5 is a schematic view of an impeller mounting structure of an embodiment provided by the present application after removing a base support;

[0021] Figure 6 is a schematic view of a cross section of Figure 5

[0022] Figure 7 is a schematic view of a rear-side tail end structure of a wheel in an embodiment provided by the present application.

[0023] Wherein: 1, air guide pipe body; 2, brush head; 3, wind-rotating structure; 4, base support; 5, impeller; 6, center shaft; 7, bearing; 8, cleaning blade; 9, buckle; 10, protrusion; 11, blade; 12, center sleeve; 13, blade groove; 14, mounting platform; 15, buffer compression spring; 16, separation ring; 17, bearing mounting position; 18, buffer compression spring mounting position; 19, claw-shaped buckle. DETAILED DESCRIPTION

[0024] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below with reference to the drawings. It can be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the purpose of description, only the parts related to the present application are shown in the drawings, but not all the structures. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] In this document, the term "embodiment" means that the specific features, structures or characteristics described in connection with the embodiment can be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily mean the same embodiment, nor is it independent or alternative to other embodiments. Those skilled in the art explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0026] Embodiment one: see Figures 1-7 ​​​As shown in the drawings, a handheld vacuum cleaner brush structure comprises a guide tube body 1, one end of which is connected with a main machine air inlet pipe, and the other end is provided with a brush head 2, a vacuum airflow is sucked into the main machine air inlet pipe from the air inlet in the middle of the brush head 2, and a wind-driven rotating structure 3 is arranged in the air inlet close to the brush head 2, which comprises a base support 4, an impeller 5 and a central shaft 6, the base support 4 is clamped on the inner tube wall of the guide tube body 1, the impeller 5 is sleeved on the central shaft 6 through a bearing 7, and the central shaft 6 is installed on the base support 4, a plurality of cleaning blades 8 are arranged on the front end face of the impeller 5, and the working face of the cleaning blade 8 matches the cleaning face of the brush head 2.

[0027] As shown in the drawings, Figures 2-4 The outer edge face of the base support 4 is provided with a buckle 9, the inner tube wall is provided with a protrusion 10 matched with the buckle, and the base support 4 is clamped and fixed with the inner tube wall; the middle of the base support 4 is provided with a shaft hole, and the end of the central shaft 6 is clamped and inserted into the shaft hole.

[0028] As shown in the drawings, Figure 4 , 5 The impeller 5 comprises five blades 11 and a central sleeve 12, the central sleeve 12 is installed on the central shaft 6 through the bearing 7, the blades 11 are uniformly distributed at the position close to the rear end face of the central sleeve 12, the front end face of the central sleeve 12 is provided with five blade grooves 13, and the groove openings are directed to the cleaning face, and the cleaning blades 8 are respectively arranged in the blade grooves 13.

[0029] A horizontally arranged mounting platform 14 is arranged at the position corresponding to the front end face of each blade 11, the blade grooves 13 are respectively arranged on the mounting platform 14, the cleaning blade 8 is a T-shaped silica gel piece, and the groove walls on both sides of the blade groove 13 are provided with convex ribs, and the T-shaped end of the cleaning blade 8 is limited below the convex ribs. The silica gel piece has a certain flexibility, on the one hand, it is convenient to deform and clamp into the blade groove 13, and on the other hand, it is not easy to scratch the cleaned surface when cleaning the surface, and the user can use it with confidence.

[0030] The central shaft 6 is peripherally sleeved with a buffer compression spring 15, one end of which abuts against the convex ring of the central shaft 6, and the other end abuts against the base support 4, and the central shaft 6 and the impeller 5 have the freedom of axial movement by compressing the buffer compression spring 15. The axially moving base support 4 can drive the cleaning blade 8 to move up and down, which can also protect the cleaned surface and better make the cleaning blade 8 adhere to the cleaned surface, thereby improving the cleaning degree.

[0031] In an embodiment, as shown in the drawings, Figure 7As shown, the middle part of the center shaft 6 is provided with a partition ring 16, the front end of the partition ring 16 is a bearing mounting position 17, the rear end is a buffer compression spring mounting position 18, and the tail end is provided with a claw-shaped buckle 19, and the claw-shaped buckle 19 is clamped and fixed with the shaft hole tail end of the base support 4.

[0032] In use, the air flow sucked by the air guide pipe drives the impeller 5 to rotate, so that the cleaning blade 8 on the impeller 5 is also driven to rotate, the surface to be cleaned is rotated and scraped, similar to the rubber scraper used when we clean the glass window, the place cleaned by the cleaning blade is lifted, can be better sucked into the air guide pipe, and the cleaning effect and efficiency of the dust collector are improved.

Claims

1. A handheld vacuum cleaner brush structure, comprising an air duct body, one end of which is connected to the main unit's air inlet pipe, and the other end of which is provided with a brush head, wherein the suction airflow is drawn into the main unit's air inlet pipe from the air inlet in the middle of the brush head, characterized in that: A pneumatic rotating structure is provided in the air inlet near the brush head, which includes a base bracket, an impeller and a central shaft. The base bracket is clamped on the inner wall of the air guide duct body. The impeller is sleeved on the central shaft through a bearing. The central shaft is mounted on the base bracket. A plurality of cleaning blades are provided on the front end face of the impeller. The working surface of the cleaning blades matches the cleaning surface of the brush head.

2. The handheld vacuum cleaner brush structure according to claim 1, characterized in that: The outer edge of the base bracket is provided with a buckle, and the inner tube wall is provided with a protrusion that cooperates with the buckle. The base bracket is engaged and fixed with the inner tube wall. The base bracket has a shaft hole in the middle, and the end of the central shaft is inserted into the shaft hole.

3. The handheld vacuum cleaner brush structure according to claim 1, characterized in that: The impeller includes a plurality of blades and a central sleeve. The central sleeve is mounted on the central shaft via the bearing. The blades are evenly distributed near the rear end face of the central sleeve. The front end face of the central sleeve is provided with a plurality of scraper grooves, with the groove openings facing the cleaning surface. The cleaning scrapers are respectively disposed in the scraper grooves.

4. The handheld vacuum cleaner brush structure according to claim 3, characterized in that: A horizontally arranged mounting platform is provided at the front end face of each blade, and the scraper groove is respectively set on the mounting platform. The cleaning scraper is a T-shaped silicone sheet, and the two sides of the scraper groove are provided with ribs. The T-shaped end of the cleaning scraper is restricted below the ribs.

5. The handheld vacuum cleaner brush structure according to claim 1, characterized in that: A buffer spring is sleeved around the central shaft, with one end abutting against the convex ring of the central shaft and the other end abutting against the base bracket. By compressing the buffer spring, the central shaft and the impeller have the freedom of axial movement.

6. The handheld vacuum cleaner brush structure according to claim 1 or 5, characterized in that: The central shaft is provided with a partition ring in the middle. The front end of the partition ring is a bearing mounting position, the rear end is a buffer spring mounting position, and the tail end is provided with a claw-shaped buckle. The claw-shaped buckle is engaged and fixed with the end of the shaft hole of the base bracket.

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