Obstacle-avoiding side brush structure of sweeper
By designing the side brush assembly with torsion spring, the problem of easy damage and inability to enter the corner of the sweeper side brush is solved, and the obstacle avoidance and better cleaning effect of the side brush is achieved.
Patent Information
- Application Number
- CN202421074979.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-05-16
AI Technical Summary
The existing side brushes of sweepers lack obstacle avoidance protection devices, which are prone to damage and cannot enter some corners, resulting in incomplete cleaning and affecting service life and scope of application.
A side brush assembly including a fixed rod, a movable rod and a connecting member is designed. Through the elastic action of the torsion spring, the side brush can swing in a fan shape when encountering obstacles, avoid collisions, and can be cleaned closely with the gaps.
The obstacle avoidance ability of side brushes is realized, which avoids damage, and improves the cleaning effect, which can better remove dust from corners.
Smart Images
Figure CN222834803U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sweepers, in particular to a side brush structure of a sweeper capable of avoiding obstacles. Background Art
[0002] With the rapid increase in human resource costs and people's increasing requirements for environmental hygiene, professional cleaning equipment will be used more and more. The working efficiency of a sweeper is directly related to its side brush structure. The existing side brushes of sweepers lack obstacle avoidance protection devices and are easily damaged. In addition, sweepers cannot enter some corners and cannot clean them properly, which has a great impact on the service life and scope of application of sweepers. Utility Model Content
[0003] The utility model aims to provide a side brush structure for a sweeper that can avoid obstacles, aiming to solve the technical problems in the prior art that the side brush of the sweeper lacks an obstacle avoidance protection device, is easily damaged, and some corners cannot be entered by the sweeper and cannot be cleaned thoroughly.
[0004] To achieve the above-mentioned purpose, an embodiment of the utility model provides a side brush structure of a sweeping vehicle that can avoid obstacles, including a sweeping vehicle and a side brush assembly installed at the bottom of the front end of the sweeping vehicle, the side brush assembly including a fixed rod, a movable rod and a connecting piece, one end of the fixed rod is fixedly connected to the chassis of the sweeping vehicle, the movable rod is provided with a side brush at the end away from the fixed rod, one end of the connecting piece is provided with a first rotating shaft rotatably connected to the fixed rod, and the other end is provided with a second rotating shaft rotatably connected to the movable rod, the first rotating shaft and the second rotating shaft are both sleeved with torsion springs, one end of the two torsion springs are clamped on the connecting piece, the other end of one of the torsion springs is clamped on the fixed rod, and the other end of the other torsion spring is clamped on the movable rod.
[0005] Preferably, the connecting member fixing sleeve is provided with a connecting buckle, and buckle grooves are provided at both upper and lower ends of the connecting buckle, and the two buckle grooves are respectively clamped with one end of a torsion spring.
[0006] Preferably, the fixed rod and the movable rod are both provided with a clamping groove, and the two clamping grooves are respectively clamped with one end of the torsion spring away from the connecting member.
[0007] Preferably, the first rotating shaft passes through the bottom of the fixing rod and extends downward, and a torsion spring is sleeved on a portion of the first rotating shaft passing through the fixing rod.
[0008] Preferably, the second rotating shaft passes through the top of the movable rod and extends upward, and a torsion spring is sleeved on a portion of the second rotating shaft passing through the movable rod.
[0009] Preferably, a first limiting groove is provided on one side of the fixing rod, and the connecting member rotates along the first rotating shaft into the first limiting groove.
[0010] Preferably, the movable rod is provided with a second limiting groove on a side away from the first limiting groove, and the connecting member rotates along the second rotating shaft into the second limiting groove.
[0011] The above one or more technical solutions in the obstacle-avoiding side brush structure of the sweeper provided by the embodiment of the utility model have at least one of the following technical effects:
[0012] When encountering a curb, the side brush is squeezed by the sweeper and the curb, causing the movable rod to swing in a fan shape toward the front or rear side along the second rotating axis, and at the same time, the torsion spring is elastically twisted, so that the side brush can elastically act on the side of the curb, so that the side brush can elastically reset after moving away from the curb. When the side brush is squeezed with a large force, the movable rod swings in a fan shape toward the front or rear side along the second rotating axis, and the connecting piece is also pressed to swing in a fan shape toward the front or rear side along the first rotating axis, so that the fixed rod, the connecting piece, and the movable rod are combined to form a "Z" shape structure. At this time, the distance between the side brush and the chassis of the sweeper is shortened, so that the side brush has the ability to avoid obstacles, avoiding the side brush or the connecting arm from being damaged when the side brush encounters a curb or a large stone. At the same time, the side brush can fit tightly into the gap between the curb and the ground, better sweeping out the dust hidden inside, and achieving a better cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 One of the overall structural schematic diagrams of the obstacle-avoiding side brush structure of a sweeper provided by an embodiment of the utility model;
[0014] Figure 2 for Figure 1 A structural diagram;
[0015] Figure 3 One of the overall structural schematic diagrams of the obstacle-avoiding side brush structure of a sweeper provided by an embodiment of the utility model;
[0016] Figure 4 for Figure 3 Schematic diagram of the structure at location B.
[0017] Among them, the reference numerals in the figure are:
[0018] 1-sweeping vehicle, 11-side brush, 2-side brush assembly, 21-fixed rod, 22-movable rod, 23-connecting piece, 231-first rotating shaft, 232-second rotating shaft, 233-torsion spring, 24-connecting buckle, 241-buckle slot, 25-card slot, 3-first limiting slot, 4-second limiting slot. DETAILED DESCRIPTION
[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.
[0020] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0022] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.
[0023] In one embodiment of the present invention, Figures 1 to 4As shown, a side brush structure of a sweeper that can avoid obstacles is provided, including a sweeper 1 and a side brush assembly 2 installed at the bottom of the front end of the sweeper 1, the side brush assembly 2 including a fixed rod 21, a movable rod 22 and a connecting piece 23, one end of the fixed rod 21 is fixedly connected to the chassis of the sweeper 1, the movable rod 22 is provided with a side brush 11 at the end away from the fixed rod 21, one end of the connecting piece 23 is provided with a first rotating shaft 231 rotatably connected to the fixed rod 21, and the other end is provided with a second rotating shaft 232 rotatably connected to the movable rod 22, the first rotating shaft 231 and the second rotating shaft 232 are both sleeved with torsion springs 233, one end of the two torsion springs 233 are both clamped on the connecting piece 23, the other end of one of the torsion springs 233 is clamped on the fixed rod 21, and the other end of the other torsion spring 233 is clamped on the movable rod 22.
[0024] Furthermore, the connecting member 23 is fixedly sleeved with a connecting buckle 24, and the upper and lower ends of the connecting buckle 24 are provided with buckle grooves 241, and the two buckle grooves 241 are respectively engaged with one end of the torsion spring 233. Specifically, when installing the torsion spring 233, one torsion spring 233 is sleeved on the first rotating shaft 231, one end of the torsion spring 233 is engaged with the fixed rod 21, and the other end is engaged with the buckle groove 241 below the connecting buckle 24; the other torsion spring 233 is sleeved on the second rotating shaft 232, one end of the torsion spring 233 is engaged with the movable rod 22, and the other end is engaged with the buckle groove 241 above the connecting buckle 24, so as to avoid mutual interference caused by the two torsion springs 233 using the same buckle groove 241 during installation, thereby affecting the effect of elastic twisting.
[0025] Furthermore, the fixed rod 21 and the movable rod 22 are both provided with a slot 25, and the two slots 25 are respectively engaged with one end of the torsion spring 233 away from the connecting member 23. Specifically, when installing the torsion spring 233, one torsion spring 233 is sleeved on the first rotating shaft 231, one end of the torsion spring 233 is engaged with the slot 25 at the bottom of the fixed rod 21, and the other end is engaged with the slot 241 below the connecting buckle 24; the other torsion spring 233 is sleeved on the second rotating shaft 232, one end of the torsion spring 233 is engaged with the slot 25 at the top of the movable rod 22, and the other end is engaged with the slot 241 above the connecting buckle 24, which further improves the installation effect of the torsion spring 233, ensures the elastic twisting ability of the torsion spring 233, and achieves a better obstacle avoidance effect of the side brush 11.
[0026] Furthermore, the first rotating shaft 231 extends downward through the bottom of the fixing rod 21, and the torsion spring 233 is sleeved on the portion of the first rotating shaft 231 that passes through the fixing rod 21. Specifically, when installing the first rotating shaft 231, the first rotating shaft 231 is inserted from the bottom of the fixing rod 21, so that one end of the connecting member 23 is rotatably connected to the fixing rod 21 through the first rotating shaft 231, and at the same time, the top of the first rotating shaft 231 passes through and is fixed to the top of the fixing rod 21, and the bottom of the first rotating shaft 231 is exposed outward, and the torsion spring 233 is sleeved on the exposed portion of the first rotating shaft 231, and one end of the torsion spring 233 is engaged with the card slot 25 at the bottom of the fixing rod 21, and the other end is engaged with the buckle slot 241 located below the connecting buckle 24, which is convenient for disassembly and assembly, and more conducive to equipment maintenance.
[0027] Furthermore, the second rotating shaft 232 passes through the top of the movable rod 22 and extends upward, and the torsion spring 233 is sleeved on the portion of the second rotating shaft 232 passing through the movable rod 22. Specifically, when installing the second rotating shaft 232, the second rotating shaft 232 is inserted from the top of the movable rod 22, so that one end of the connecting member 23 is rotatably connected with the movable rod 22 through the second rotating shaft 232, and at the same time, the bottom of the second rotating shaft 232 passes through and is fixed to the top of the movable rod 22, and the top of the second rotating shaft 232 is exposed outward, and the torsion spring 233 is sleeved on the exposed portion of the second rotating shaft 232, and one end of the torsion spring 233 is engaged with the slot 25 at the top of the movable rod 22, and the other end is engaged with the buckle slot 241 located above the connecting buckle 24, which is convenient for disassembly and assembly, and more conducive to equipment maintenance.
[0028] Furthermore, a first limiting groove 3 is provided on one side of the fixing rod 21, and the connecting member 23 rotates along the first rotating shaft 231 to enter the first limiting groove 3. Specifically, the first limiting groove 3 is provided in front of the fixing rod 21, and the connecting member 23 is limited by the rod wall on the back side of the first limiting groove 3 when rotating, so that the connecting member 23 can only swing toward the direction close to the front of the sweeping vehicle 1, thereby achieving a limiting effect.
[0029] Furthermore, the movable rod 22 is provided with a second limiting groove 4 on a side away from the first limiting groove 3, and the connecting member 23 rotates along the second rotating shaft 232 to enter the second limiting groove 4. Specifically, the first limiting groove 3 is provided in front of the fixed rod 21, and the connecting member 23 is limited by the rod wall on the back of the fixed rod 21 during rotation and cannot swing backward, thereby realizing that the connecting member 23 can only swing in the direction close to the front of the sweeping vehicle 1, thereby realizing a limiting effect; the second limiting groove 4 is provided on the back of the movable rod 22, and the connecting member 23 is limited by the rod wall on the front of the movable rod 22 during rotation and cannot swing forward, thereby realizing that the movable rod 22 can only swing in the direction close to the rear of the sweeping vehicle 1, thereby realizing a further limiting effect.
[0030] Working principle: When encountering a curb, the side brush 11 is squeezed by the sweeper 1 and the curb, so that the movable rod 22 swings forward or backward along the second rotating shaft 232, and the torsion spring 233 is elastically twisted, so that the side brush 11 can elastically act on the side of the curb, so that the side brush 11 can elastically reset after being away from the curb. When the side brush 11 is squeezed with a large force, the movable rod 22 swings forward or backward along the second rotating shaft 232, and the connecting member 23 is also pressed along the first rotating shaft 233. A rotating shaft 231 swings in a fan shape toward the front or rear side, so that the fixed rod 21, the connecting piece 23, and the movable rod 22 are combined to form a "Z"-shaped structure. At this time, the distance between the side brush 11 and the chassis of the sweeper 1 is shortened, so that the side brush 11 has the ability to avoid obstacles, and the side brush 11 or the connecting arm is prevented from being damaged when encountering a curb or a large stone. At the same time, the side brush 11 can fit tightly into the gap between the curb and the ground, so that the dust hidden inside can be better swept out, thereby achieving a better cleaning effect.
[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A side brush structure of a sweeper capable of avoiding obstacles, characterized in that: The utility model comprises a sweeping vehicle and a side brush assembly installed at the bottom of the front end of the sweeping vehicle, the side brush assembly comprises a fixed rod, a movable rod and a connecting piece, one end of the fixed rod is fixedly connected to the chassis of the sweeping vehicle, the movable rod is provided with a side brush at the end away from the fixed rod, one end of the connecting piece is provided with a first rotating shaft rotatably connected to the fixed rod, and the other end is provided with a second rotating shaft rotatably connected to the movable rod, the first rotating shaft and the second rotating shaft are both sleeved with torsion springs, one end of the two torsion springs are both clamped on the connecting piece, the other end of one of the torsion springs is clamped on the fixed rod, and the other end of the other torsion spring is clamped on the movable rod.
2. The obstacle-avoiding side brush structure of a sweeper according to claim 1, characterized in that: The connecting member fixing sleeve is provided with a connecting buckle, and buckle grooves are provided at both upper and lower ends of the connecting buckle, and the two buckle grooves are respectively clamped with one end of a torsion spring.
3. The obstacle-avoiding side brush structure of a sweeper according to claim 1, characterized in that: The fixed rod and the movable rod are both provided with a clamping groove, and the two clamping grooves are respectively clamped with one end of the torsion spring away from the connecting member.
4. The obstacle-avoiding side brush structure of a sweeper according to claim 1, characterized in that: The first rotating shaft passes through the bottom of the fixing rod and extends downward, and a torsion spring is sleeved on the portion of the first rotating shaft passing through the fixing rod.
5. The obstacle-avoiding side brush structure of a sweeper according to claim 1, characterized in that: The second rotating shaft passes through the top of the movable rod and extends upward, and a torsion spring is sleeved on a portion of the second rotating shaft passing through the movable rod.
6. The obstacle-avoiding side brush structure of a sweeper according to claim 1, characterized in that: A first limiting groove is provided on one side of the fixing rod, and the connecting member rotates along the first rotating shaft and enters into the first limiting groove.
7. The obstacle-avoiding side brush structure of a sweeper according to claim 6, characterized in that: The movable rod is provided with a second limiting groove on a side away from the first limiting groove, and the connecting member rotates along the second rotating shaft into the second limiting groove.