Double-rolling-brush structure convenient to maintain
By adopting a design with detachable scrapers and screw connections in the dual roller brush structure of the vacuum cleaner, the maintenance difficulties caused by easy wear of the serrated surface are solved, enabling convenient replacement and disassembly of the scrapers, improving maintenance efficiency and saving costs.
Patent Information
- Application Number
- CN202423021843.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-09
AI Technical Summary
In the existing dual-brush design of vacuum cleaners, the serrated surface is prone to wear and is fixedly connected, resulting in inconvenient maintenance. The entire base plate needs to be replaced, making the structure complex and disassembly difficult.
It features a detachable scraper design, with the scraper fixed to the base plate by screws. The serrated surface can be replaced separately if damaged. The base plate and the floor brush housing are connected by screws for easy disassembly and assembly.
It simplifies the maintenance process, reduces the difficulty of replacing scrapers, improves maintenance efficiency, reduces the use of screws, and saves costs.
Smart Images

Figure CN223695763U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of cleaning electric appliances, especially to a double-roller brush structure convenient to maintain. BACKGROUND
[0002] The dust collector is a cleaning device widely used in advanced human life and industrial production, which has been developed for more than a hundred years since its birth. The working principle of the dust collector is to use the motor to drive the blade to rotate at high speed to generate air negative pressure in the sealed shell, and then to suck dust through the external suction pipe.
[0003] At present, in order to improve the cleaning efficiency, the dust collector adopts a double-roller brush designed floor brush. The two roller brushes of the double-roller brush designed floor brush rotate relatively to suck the dust on the ground into the suction port, which can realize forward or backward cleaning. The existing Chinese patent with the application number 202222539274.0 and the name of a double-roller brush designed floor brush with a detachable partition plate discloses that the bottom plate is provided with symmetrical sawtooth surfaces arranged on both sides, the sawtooth surface is attached to the surface of the roller brush, the sawtooth surface includes a plurality of sawtooth protrusions arranged along the roller brush axis, the end of the sawtooth protrusion is attached to the surface of the roller brush, and the sawtooth surface can clean the surface of the roller brush through the sawtooth protrusion to ensure the cleanliness of the surface of the roller brush. However, the sawtooth surface on the existing floor brush is fixedly connected to the bottom plate. After a long time of use, the sawtooth surface is easy to wear and even deform. After damage, the entire bottom part needs to be replaced, and the structure of the double-roller brush floor brush is complex, which is not convenient for disassembly and assembly and maintenance of the roller brush. SUMMARY
[0004] The double-roller brush structure convenient to maintain provided by the utility model discloses a scraper which is detachably connected to the bottom plate through screws. After the sawtooth surface on the scraper is damaged, only the scraper needs to be replaced, and the disassembly and assembly operation is simple and convenient.
[0005] In order to achieve the above-mentioned purpose, the utility model provides a double-roller brush structure convenient to maintain, which comprises a roller brush, the roller brush comprises a front roller brush and a rear roller brush, the front roller brush and the rear roller brush are arranged in parallel, a bottom plate is arranged between the front roller brush and the rear roller brush, mounting grooves are arranged on both sides of the bottom plate respectively, scrapers are arranged in the mounting grooves, the scrapers are detachably connected in the mounting grooves, sawtooth surfaces are arranged on the scrapers, and the sawtooth surfaces are attached to the surfaces of the roller brushes.
[0006] As a further description of the above technical solutions:
[0007] At least two first screw holes are arranged on the scraper, first screws are arranged in the first screw holes, and the scraper is connected to the bottom plate through the first screws.
[0008] As a further description of the above technical solutions:
[0009] The scraper bottom is provided with a plurality of limiting blocks which are inserted into limiting grooves on the scraper.
[0010] As a further description of the above technical solution:
[0011] The bottom plate is detachably connected to the brush housing.
[0012] As a further description of the above technical solution:
[0013] The bottom plate is provided with a second screw hole in which a second screw is arranged, and the bottom plate is connected to the brush housing through the second screw.
[0014] As a further description of the above technical solution:
[0015] The bottom plate is provided with a suction port, one end of which is provided with a baffle which is connected to a hose of the brush housing in a plug-in manner.
[0016] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are as follows: installation grooves are formed on both sides of the bottom plate, the scraper is installed in the installation grooves, the surface of the scraper is flush with the surface of the bottom plate, the scraper is detachably connected to the bottom plate through the first screw in the first screw hole, which facilitates the installation and removal of the scraper, and the serrated surface of the scraper can be easily replaced when damaged. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be considered as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0018] Figure 1 It is a structural schematic view of a double-roller brush structure convenient to maintain.
[0019] Figure 2 It is a structural schematic view of a bottom plate in a double-roller brush structure convenient to maintain.
[0020] Figure 3 It is a structural schematic view of the back of a bottom plate in a double-roller brush structure convenient to maintain.
[0021] Figure 4 It is a sectional view of a bottom plate in a double-roller brush structure convenient to maintain.
[0022] Figure 5 It is Figure 4 It is an enlarged view of A in the middle.
[0023] Legend:
[0024] 1, front roller brush; 2, rear roller brush; 3, bottom plate; 4, mounting groove; 5, scraper; 6, sawtooth surface; 7, first screw hole; 8, first screw; 9, limiting block; 10, limiting groove; 11, floor brush housing; 12, second screw hole; 13, second screw; 14, suction port; 15, baffle; 16, hose. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0026] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.
[0027] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0028] In the description of the embodiments of the present application, it should be noted that the orientation or position relationship indicated by the terms "upper", "inner" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the product of the present application is used, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0029] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0030] Please refer toFigures 1-5 The utility model provides a double roll brush structure of convenient maintenance, including roll brush, the roll brush includes front roll brush 1 and rear roll brush 2, front roll brush 1 with rear roll brush 2 parallel arrangement is provided with the bottom plate 3 between front roll brush 1 with rear roll brush 2, the both sides of bottom plate 3 are provided with mounting groove 4 respectively, be provided with scraper 5 in mounting groove 4, scraper 5 can be detachably connected in mounting groove 4, be provided with sawtooth surface 6 on scraper 5, sawtooth surface 6 with the surface of roll brush is in conformity.
[0031] Be provided with at least two first screw hole 7 on scraper 5, be provided with first screw 8 in first screw hole 7, scraper 5 is connected on bottom plate 3 through first screw 8. First screw hole is countersunk hole, is provided with screw hole in the position of bottom plate to first screw hole, and the installation and removal of first screw are convenient, and scraper is detachably connected through screw, and the installation difficulty is reduced. Scraper can also be connected in the mode of clamping.
[0032] The bottom of scraper 5 is provided with a plurality of limiting blocks 9, and the limiting blocks 9 are inserted into the limiting grooves 10 on the scraper 5. The limiting blocks can make the scraper more stable.
[0033] The bottom plate 3 is detachably connected to the brush housing 11. The second screw hole 12 is provided on the bottom plate 3, the second screw 13 is provided in the second screw hole 12, and the bottom plate 3 is connected to the brush housing 11 through the second screw 13. This facilitates the installation and removal of the bottom plate. In another embodiment, the scraper and the bottom plate can be fixed with the same screw, which can reduce the use of screws and save costs.
[0034] The bottom plate 3 is provided with a suction port 14, one end of the suction port 14 is provided with a baffle 15, and the baffle 15 is connected with the hose 16 of the brush housing 11. The suction port is connected with the hose.
[0035] Working principle: by setting mounting grooves on both sides of the bottom plate, the scraper is installed in the mounting groove, the surface of the scraper can be flush with the surface of the bottom plate, the scraper is detachably connected to the bottom plate through the first screw in the first screw hole, which facilitates the installation and removal of the scraper. The sawtooth surface on the scraper can be easily replaced when damaged.
[0036] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A dual roll brush structure for easy maintenance, characterized in that, The utility model provides a floor brush, including roll brush, the roll brush includes front roll brush and rear roll brush, front roll brush and rear roll brush are arranged in parallel, be provided with bottom plate between front roll brush and rear roll brush, the both sides of bottom plate are provided with mounting groove respectively, be provided with scraper in mounting groove, scraper is detachably connected in mounting groove, be provided with sawtooth surface on scraper, sawtooth surface is in accord with the surface of roll brush.
2. A dual roller brush structure for easy maintenance according to claim 1, wherein Be provided with at least two first screw hole on the scraper, be provided with first screw in first screw hole, the scraper is connected on the bottom plate through first screw.
3. A dual roller brush structure for easy maintenance as claimed in claim 1 wherein, The bottom of the scraper is provided with a plurality of limiting blocks, which are inserted into the limiting grooves on the scraper.
4. A dual roller brush structure for easy maintenance according to claim 1, wherein The bottom plate is detachably connected to the brush housing.
5. A dual roller brush structure for easy maintenance according to claim 4, wherein The bottom plate is provided with a second screw hole, and a second screw is arranged in the second screw hole. The bottom plate is connected to the brush housing by the second screw.
6. A dual roller brush structure for easy maintenance according to claim 4, wherein The bottom plate is provided with a suction port, one end of the suction port is provided with a baffle, and the baffle is connected to the hose of the brush housing in a plug-in manner.
Citation Information
Patent Citations
Double-rolling-brush designed floor brush with detachable partition plate
CN219250030U