Pneumatic roller brush device
By adopting pneumatic drum brush devices with pneumatic motor and air shaft transmission gear structure, the problems of existing drum brush structure complexity and low power density are solved, and higher stability and reliability are achieved, suitable for high torque or high speed scenarios and harsh environments.
Patent Information
- Application Number
- CN202422594801.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-10-25
AI Technical Summary
The existing drum brushes have complex structures, low power density, poor stability and reliability, and are easily damaged in harsh environments.
A pneumatic motor is used to replace the traditional electric motor, and combine the air guide shaft and transmission gear structure to realize the pneumatic drum brush device.
Reduces structural complexity, improves power density, enhances stability and reliability, is suitable for high torque or high speed scenarios, and performs more reliable in harsh environments.
Smart Images
Figure CN223232324U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of roller brushes, and in particular to a pneumatic roller brush device. Background Art
[0002] Roller brushes are used for cleaning, polishing and surface treatment, etc.
[0003] In the prior art, the roller brush includes components such as a motor, a reducer, and a transmission shaft. The motor is connected to the input end of the reducer, and the output end of the reducer is connected to the transmission shaft. The rotation of the transmission shaft drives the roller brush to rotate.
[0004] The above technical solution has the following problems: the structure is complex, which increases the manufacturing cost and maintenance difficulty of the roller brush; the power density is low, which makes it difficult to meet some application scenarios with high power density requirements, such as industrial cleaning equipment that requires higher sweeping efficiency; in some harsh environments, such as high temperature and high humidity environments, the motor brushes of the roller brush are easily damaged, resulting in poor stability and reliability of the roller brush. Utility Model Content
[0005] In order to address the deficiencies of the prior art, the purpose of the present application is to provide a pneumatic roller brush device, which can reduce the structural complexity of the pneumatic roller brush device, increase the power density of the pneumatic roller brush device, and improve the stability and reliability of the pneumatic roller brush device.
[0006] To achieve the above objectives, this application adopts the following technical solutions:
[0007] The present application provides a pneumatic roller brush device, which includes: a brush barrel, an air motor, an output gear, multiple transmission gears and an air guide shaft; a accommodating chamber is formed in the brush barrel, an inner gear ring is provided on the inner wall of one end of the accommodating chamber, and a brush is provided on the outside of the brush barrel; the air motor is located in the accommodating chamber and includes an output shaft; the output gear is fixed on the output shaft; multiple transmission gears are arranged around the output gear, and each transmission gear is meshed with the output gear and the inner gear ring; the air guide shaft is at least partially located in the accommodating chamber and is connected to one end of the air motor away from the output shaft, the air guide shaft is configured to provide gas to the air motor, and the end of the air guide shaft away from the air motor is rotatably connected to the brush barrel.
[0008] As a preferred technical solution, the air guide shaft is provided with a first air vent and a second air vent that are not connected to each other, and a first pipeline and a second pipeline are also provided on the air guide shaft. The first pipeline connects the first air vent and the pneumatic motor, and the second pipeline connects the second air vent and the pneumatic motor.
[0009] As a preferred technical solution, a first connecting channel and a second connecting channel that are not connected to each other are formed in the air guide shaft, the first connecting channel connects the first air vent and the first pipeline, and the second connecting channel connects the second air vent and the second pipeline.
[0010] As a preferred technical solution, the first pipeline and the second pipeline are distributed on both sides of the gas guide axis along its radial direction.
[0011] As a preferred technical solution, the first vent and the second vent are both opened on the portion of the air guide shaft located outside the accommodating cavity, and the first pipeline and the second pipeline are both located inside the accommodating cavity.
[0012] As a preferred technical solution, the pneumatic roller brush device also includes a support seat and a connecting seat distributed along the axial direction of the brush cylinder. The connecting seat is connected to the support seat, and the output shaft of the pneumatic motor is at least partially passed through the support seat. Multiple transmission gears are respectively rotatably connected to the support seat, and the multiple transmission gears are located between the connecting seat and the support seat.
[0013] As a preferred technical solution, the support base at least partially extends away from the pneumatic motor to form a plurality of mounting columns, each mounting column is penetrated by a transmission gear, and the connecting base is connected to the support base through the plurality of mounting columns.
[0014] As a preferred technical solution, the connecting seat is provided with a connecting hole, the axis of the connecting hole coincides with the axis of the output shaft, and the pneumatic roller brush device also includes a support shaft, which passes through the connecting hole and is rotatably connected to the brush cylinder.
[0015] As a preferred technical solution, the brush tube includes a cylindrical body and a first end cover and a second end cover installed at both ends of the cylindrical body. The inner ring gear is located at one end of the cylindrical body close to the first end cover. The support shaft passes through the first end cover and is rotatably connected to the first end cover. The air guide shaft passes through the second end cover and is rotatably connected to the second end cover.
[0016] As a preferred technical solution, the first end cover is provided with a first bearing, the second end cover is provided with a second bearing, the support shaft and the first end cover are rotatably connected through the first bearing, and the air guide shaft and the second end cover are rotatably connected through the second bearing.
[0017] The above-mentioned pneumatic roller brush device, by replacing the traditional electric motor with a pneumatic motor, can reduce the structural complexity of the pneumatic roller brush device, increase the power density of the pneumatic roller brush device, and improve the stability and reliability of the pneumatic roller brush device. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a cross-sectional view of the pneumatic roller brush device of this application;
[0019] Figure 2This is a schematic diagram of the structure of the pneumatic roller brush device of this application;
[0020] Figure 3 This is a schematic diagram of the transmission structure of the pneumatic motor and brush cylinder of this application;
[0021] Figure 4 This is a structural diagram of the connecting seat and the supporting seat of this application;
[0022] Among them, 100, pneumatic roller brush device; 11, brush cylinder; 111, accommodating chamber; 112, inner ring gear; 113, brush; 114, cylindrical body; 115, first end cover; 116, second end cover; 117, first bearing; 118, second bearing; 12, pneumatic motor; 121, output shaft; 13, output gear; 14, transmission gear; 15, air guide shaft; 151, first air vent; 152, second air vent; 153, first connecting channel; 154, second connecting channel; 16, first pipeline; 17, second pipeline; 18, support seat; 181, mounting column; 19, connecting seat; 191, connecting hole; 20, support shaft. DETAILED DESCRIPTION
[0023] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the specific implementation of the present application will be clearly and completely described below in conjunction with the drawings in the implementation of the present application.
[0024] like Figure 1 、 Figure 2 and Figure 3 As shown, the present application provides a pneumatic roller brush device 100 , which includes: a brush barrel 11 , an air motor 12 , an output gear 13 , a plurality of transmission gears 14 and an air guide shaft 15 .
[0025] Among them, a accommodating chamber 111 is formed in the brush tube 11, and an inner gear ring 112 is provided on the inner wall of one end of the accommodating chamber 111, and a brush 113 is provided on the outside of the brush tube 11. In the present application, the inner gear ring 112 and the brush tube 11 are formed in one piece. The pneumatic motor 12 is located in the accommodating chamber 111 and includes an output shaft 121, and the output gear 13 is fixed on the output shaft 121. A plurality of transmission gears 14 are arranged around the output gear 13, and each transmission gear 14 is meshed with the output gear 13 and the inner gear ring 112. The air guide shaft 15 is at least partially located in the accommodating chamber 111 and is connected to one end of the pneumatic motor 12 away from the output shaft 121. The air guide shaft 15 is configured to be able to provide gas to the pneumatic motor 12, and the end of the air guide shaft 15 away from the pneumatic motor 12 is rotatably connected to the brush tube 11.
[0026] The pneumatic motor 12 is used to convert the pressure energy of compressed air into rotational mechanical energy. Therefore, gas is input into the pneumatic motor 12 through the air guide shaft 15 to rotate the output shaft 121 of the pneumatic motor 12. The pneumatic motor 12 is a prior art, and its specific structure is not described here. In the present application, the pneumatic motor 12 adopts a vane-type pneumatic motor. The output shaft 121 of the pneumatic motor 12 rotates, driving the output gear 13 to rotate, thereby driving each transmission gear 14 to rotate, and through the meshing transmission of each transmission gear 14 with the inner ring gear 112, the inner ring gear 112 is driven to rotate, and then the brush cylinder 11 fixed relative to the inner ring gear 112 is rotated, thereby realizing the cleaning, polishing and surface treatment functions of the pneumatic roller brush device 100.
[0027] Compared with traditional electric motors, the pneumatic motor 12 has the following advantages: the pneumatic motor 12 has a relatively simple structure, does not require an external power supply, and can generate power through gas flow; the pneumatic motor 12 can provide high power density, that is, it outputs a large power in a relatively small volume, and is suitable for some applications with high power output requirements, such as those requiring high torque or high speed; the pneumatic motor 12 can provide a higher torque at startup, and is suitable for scenarios that require quick startup or need to overcome a certain load; because the pneumatic motor 12 does not have vulnerable parts such as motor brushes, the pneumatic motor 12 is more reliable and has a longer life in some harsh environments, such as high temperature and high humidity environments. Therefore, the pneumatic motor 12 not only reduces the structural complexity of the pneumatic roller brush device 100, but also improves the stability and reliability of the pneumatic roller brush device 100.
[0028] Therefore, through the above-mentioned configuration, the present application can reduce the structural complexity of the pneumatic roller brush device 100, improve the power density of the pneumatic roller brush device 100, and improve the stability and reliability of the pneumatic roller brush device 100.
[0029] like Figure 1 As shown, as an implementation method, the air guide shaft 15 is provided with a first air vent 151 and a second air vent 152 that are not connected to each other, and a first pipeline 16 and a second pipeline 17 are also provided on the air guide shaft 15. The first pipeline 16 connects the first air vent 151 and the pneumatic motor 12, and the second pipeline 17 connects the second air vent and the pneumatic motor 12. Figure 1 The direction indicated by the arrow in the middle indicates the flow direction of the gas. Figure 1The gas enters the pneumatic roller brush device 100 from the first vent 151, enters the pneumatic motor 12 through the first pipe 16, and the gas exhausted by the pneumatic motor 12 passes through the second pipe 17 and is exhausted from the pneumatic roller brush device 100 from the second vent 152; or the gas enters the pneumatic roller brush device 100 from the second vent 152, enters the pneumatic motor 12 through the second pipe 17, and the gas exhausted by the pneumatic motor 12 passes through the first pipe 16 and is exhausted from the pneumatic roller brush device 100 from the first vent 151. It should be noted that by changing the inlet and outlet directions of the gas, the rotation direction of the brush barrel 11 can be changed, so that the brush barrel 11 can switch between a forward rotation state and a reverse rotation state, thereby improving the operational flexibility of the pneumatic roller brush device 100.
[0030] Specifically, a first connecting channel 153 and a second connecting channel 154, which are not connected to each other, are formed in the air guide shaft 15. The first connecting channel 153 connects the first air vent 151 and the first pipeline 16, and the second connecting channel 154 connects the second air vent 152 and the second pipeline 17. The first connecting channel 153 and the second connecting channel 154 are provided so that the outer peripheral surface of the air guide shaft 15 at the first connecting channel 153 and the second connecting channel 154 can rotate with the bearing at the end of the brush cylinder 11.
[0031] More specifically, the first pipeline 16 and the second pipeline 17 are distributed on both sides of the gas guide shaft 15 along the radial direction thereof, so that the first pipeline 16 and the second pipeline 17 do not affect each other and the processing of the first pipeline 16 and the second pipeline 17 is facilitated.
[0032] Specifically, the first vent 151 and the second vent 152 are both formed on the portion of the air guide shaft 15 located outside the accommodating chamber 111, so that the first vent 151 and the second vent 152 can be connected to the air inlet and outlet pipes outside the pneumatic roller brush device 100, respectively. The first pipe 16 and the second pipe 17 are both located within the accommodating chamber 111, so that they are protected by the brush cylinder 11, thereby preventing damage to the first pipe 16 and the second pipe 17 and increasing their service life.
[0033] like Figure 1 and Figure 4As shown, as an implementation method, the pneumatic roller brush device 100 also includes a support seat 18 and a connecting seat 19, which are distributed axially along the brush barrel 11, and the connecting seat 19 is connected to the support seat 18. The output shaft 121 of the pneumatic motor 12 is at least partially passed through the support seat 18, and the multiple transmission gears 14 are respectively rotatably connected to the support seat 18, and the multiple transmission gears 14 are located between the connecting seat 19 and the support seat 18. The support seat 18 supports the output shaft 121 of the pneumatic motor 12 and the multiple transmission gears 14, so that the power output of the pneumatic motor 12 can be stably transmitted to the inner ring 112, thereby improving the rotational stability of the brush barrel 11. The connecting seat 19 is connected to the support seat 18 so that the force applied to the support seat 18 can be transmitted to the connecting seat 19, thereby improving the support stability of the support seat 18.
[0034] Specifically, the support base 18 at least partially extends away from the pneumatic motor 12 to form a plurality of mounting posts 181. Each mounting post 181 is passed through a transmission gear 14. The connecting base 19 is connected to the support base 18 via the plurality of mounting posts 181. Through the above arrangement, each transmission gear 14 is mounted on a mounting post 181, and the ends of the mounting post 181 are supported by the connecting base 19 and the support base 18, respectively, thereby improving the transmission stability of the transmission gear 14.
[0035] More specifically, the connecting base 19 defines a connecting hole 191, the axis of which coincides with the axis of the output shaft 121. The pneumatic roller brush device 100 further includes a support shaft 20, which passes through the connecting hole 191 and is rotatably connected to the brush barrel 11. Since the support shaft 20 is rotatably supported on the brush barrel 11, the supporting effect of the connecting base 19 is enhanced by supporting the connecting base 19 on the support shaft 20.
[0036] More specifically, the brush barrel 11 includes a cylindrical body 114, a first end cap 115, and a second end cap 116. The first end cap 115 and the second end cap 116 are respectively mounted at both ends of the cylindrical body 114 to facilitate assembly and disassembly of the internal components of the pneumatic roller brush device 100. An inner gear ring 112 is located at one end of the cylindrical body 114 near the first end cap 115. A support shaft 20 passes through the first end cap 115 and is rotatably connected to the first end cap 115. The air guide shaft 15 passes through the second end cap 116 and is rotatably connected to the second end cap 116. Rotational supports are provided at both ends of the brush barrel 11. Rotational support at one end is provided by the inner gear ring 112, multiple transmission gears 14, output gear 13, and support shaft 20, while rotational support at the other end is provided by the air guide shaft 15. It should be noted that even if the support shaft 20 is not provided, the rotational support between the brush cylinder 11 and the pneumatic motor 12 can be achieved through the transmission cooperation between the inner ring gear 112, multiple transmission gears 14 and the output gear 13; in order to improve the support stability between the brush cylinder 11 and the pneumatic motor 12, the present application provides a support shaft 20.
[0037] More specifically, the first end cover 115 is provided with a first bearing 117, and the second end cover 116 is provided with a second bearing 118. The support shaft 20 is rotatably connected to the first end cover 115 through the first bearing 117, and the air guide shaft 15 is rotatably connected to the second end cover 116 through the second bearing 118 to achieve rotational support at both ends of the brush tube 11.
[0038] It should be noted that the words "first", "second" and similar terms used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "an" do not indicate a quantity limitation, but rather indicate the presence of at least one. "Multiple" or "several" means at least two. Unless otherwise specified, words such as "front", "back", "left", "right", "bottom" and / or "top" are used for ease of description only and are not limited to one position or one spatial orientation. Words such as "include" or "comprising" and similar terms mean that the elements or objects appearing before "include" or "comprising" include the elements or objects listed after "include" or "comprising" and their equivalents, and do not exclude other elements or objects. Words such as "connected" or "connected" and similar terms are not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect.
[0039] As used in this specification and the appended claims, the singular forms "a," "an," "said," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
[0040] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all such improvements and changes should fall within the scope of protection of the claims appended to this application.
Claims
1. A pneumatic roller brush device (100), characterized in that: include: A brush cylinder (11), wherein a receiving cavity (111) is formed in the brush cylinder (11), an inner gear ring (112) is provided on the inner wall of one end of the receiving cavity (111), and a brush (113) is provided on the outside of the brush cylinder (11); a pneumatic motor (12), the pneumatic motor (12) being located in the accommodating chamber (111) and comprising an output shaft (121); an output gear (13), wherein the output gear (13) is fixed on the output shaft (121); a plurality of transmission gears (14), the plurality of transmission gears (14) being arranged around the output gear (13), and each of the transmission gears (14) being meshed with the output gear (13) and the inner gear ring (112); as well as An air guide shaft (15), wherein the air guide shaft (15) is at least partially located in the accommodating cavity (111) and is connected to an end of the air motor (12) away from the output shaft (121), the air guide shaft (15) is configured to be able to provide air to the air motor (12), and the end of the air guide shaft (15) away from the air motor (12) is rotatably connected to the brush cylinder (11).
2. The pneumatic roller brush device (100) according to claim 1, characterized in that: The air guide shaft (15) is provided with a first air vent (151) and a second air vent (152) which are not connected to each other. The air guide shaft (15) is also provided with a first pipeline (16) and a second pipeline (17). The first pipeline (16) is connected to the first air vent (151) and the pneumatic motor (12), and the second pipeline (17) is connected to the second air vent (152) and the pneumatic motor (12).
3. The pneumatic roller brush device (100) according to claim 2, characterized in that: A first connecting channel (153) and a second connecting channel (154) that are not connected to each other are formed in the air guide shaft (15); the first connecting channel (153) is connected to the first vent (151) and the first pipeline (16); and the second connecting channel (154) is connected to the second vent (152) and the second pipeline (17).
4. The pneumatic roller brush device (100) according to claim 2, characterized in that: The first pipeline (16) and the second pipeline (17) are distributed on both sides of the gas guide shaft (15) along its radial direction.
5. The pneumatic roller brush device (100) according to claim 2, characterized in that: The first vent (151) and the second vent (152) are both opened on the portion of the air guide shaft (15) located outside the accommodating cavity (111), and the first pipeline (16) and the second pipeline (17) are both located inside the accommodating cavity (111).
6. The pneumatic roller brush device (100) according to claim 1, characterized in that: The pneumatic roller brush device (100) further comprises a support seat (18) and a connecting seat (19) distributed axially along the brush cylinder (11); the connecting seat (19) is connected to the support seat (18); the output shaft (121) of the pneumatic motor (12) is at least partially passed through the support seat (18); a plurality of transmission gears (14) are respectively rotatably connected to the support seat (18); and the plurality of transmission gears (14) are located between the connecting seat (19) and the support seat (18).
7. The pneumatic roller brush device (100) according to claim 6, characterized in that: The support seat (18) at least partially extends in a direction away from the pneumatic motor (12) to form a plurality of mounting posts (181), each of the mounting posts (181) is penetrated by one of the transmission gears (14), and the connecting seat (19) is connected to the support seat (18) via the plurality of mounting posts (181).
8. The pneumatic roller brush device (100) according to claim 6, characterized in that: The connecting seat (19) is provided with a connecting hole (191), the axis of the connecting hole (191) coincides with the axis of the output shaft (121), and the pneumatic roller brush device (100) further comprises a support shaft (20), the support shaft (20) is passed through the connecting hole (191) and is rotatably connected to the brush cylinder (11).
9. The pneumatic roller brush device (100) according to claim 8, characterized in that: The brush tube (11) comprises a cylindrical body (114) and a first end cover (115) and a second end cover (116) installed at both ends of the cylindrical body (114); the inner gear ring (112) is located at one end of the cylindrical body (114) close to the first end cover (115); the support shaft (20) is passed through the first end cover (115) and is rotatably connected to the first end cover (115); and the air guide shaft (15) is passed through the second end cover (116) and is rotatably connected to the second end cover (116).
10. The pneumatic roller brush device (100) according to claim 9, characterized in that: The first end cover (115) is provided with a first bearing (117), and the second end cover (116) is provided with a second bearing (118). The support shaft (20) is rotatably connected to the first end cover (115) via the first bearing (117), and the air guide shaft (15) is rotatably connected to the second end cover (116) via the second bearing (118).