Roller structure of cleaning machine and cleaning machine
By setting dovetail grooves at the bottom of the front and rear shells of the cleaning machine to connect with the roller bracket, the problems of poor stability of the cleaning machine and inconvenient roller steering are solved, higher stability and flexibility are achieved, and the user experience is improved.
Patent Information
- Application Number
- CN202422779268.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-13
AI Technical Summary
The roller structure of existing high-pressure cleaners results in poor machine stability, easy tipping, and a single roller rotation, resulting in a poor user experience.
A dovetail groove is provided at the bottom of the front shell assembly and the rear shell assembly of the cleaning machine to connect the roller bracket. A dovetail boss and a universal wheel fixing column are provided at one end of the roller bracket and fixed by screws to achieve a stable connection.
The stability of the cleaning machine and the flexible steering ability of the roller are improved, the convenience and efficiency of user operation are improved, and the aesthetics of the machine are enhanced.
Smart Images

Figure CN223405508U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of cleaning equipment, and in particular relates to a roller structure of a cleaning machine and the cleaning machine. Background Art
[0002] In the prior art, the roller structure of a high-pressure cleaner is as follows: support feet are provided at the bottom of the front of the machine, rollers and roller covers are provided on both sides of the back, and a fixed shaft structure is provided on the roller to fix it to the corresponding setting of the casing, or an axle hole is provided at the bottom of the back of the casing, a metal axle is installed on it, and the roller and roller cover are then assembled and fixed on the metal axle. When the user uses the machine, the support feet provided at the front of the machine and the rollers provided on both sides of the back serve as the machine support and fixation. These three locations make the machine unstable and prone to tipping. Since the roller structure of the machine is on both sides of the back, the roller has a single running direction, and it is inconvenient to turn the roller when dragging the machine. This results in a very poor user experience when using the machine.
[0003] Patent publication number CN216776885U discloses a universal wheel assembly and a cleaning robot. The universal wheel assembly includes: a limit bracket, which includes a housing assembly and a limit assembly. The limit assemblies are disposed on the housing assembly, and there are at least two limit assemblies, with a locking gap formed between adjacent limit assemblies; a bracket assembly, which includes a limit portion, which can be adapted to the limit assembly. The bracket assembly has at least a first position and a second position. When the bracket assembly is in the first position, the bracket assembly is inserted into the limit bracket, the limit portion is adapted to the limit assembly, and the bracket assembly can rotate relative to the limit bracket. When the bracket assembly is in the second position, the bracket assembly is separated from the limit bracket; and a roller, which is disposed on the bracket assembly and can rotate on the bracket assembly. Utility Model Content
[0004] In view of the defects in the prior art, the purpose of the present invention is to provide a roller structure of a cleaning machine and a cleaning machine.
[0005] The roller structure of the cleaning machine provided by the utility model includes: a front shell assembly, a roller bracket, a universal wheel assembly, and a rear shell assembly;
[0006] The front shell assembly is firmly connected to the rear shell assembly;
[0007] The bottom of the front shell assembly and the bottom of the rear shell assembly are both provided with mounting grooves;
[0008] The mounting groove is connected to the roller bracket, and the roller bracket is fixedly connected to the universal wheel assembly;
[0009] One end of the roller bracket is set as a dovetail boss, a plurality of first screw hole fixing columns are set in the dovetail boss, and the other end is set as a universal wheel fixing column.
[0010] Preferably, the plurality of first screw hole fixing columns are distributed in a triangular shape; reinforcement sockets are provided on the outer sides of the plurality of screw fixing columns; and the plurality of screw fixing columns are connected by the reinforcement sockets.
[0011] Preferably, a plurality of fixing ribs are provided on the outside of the universal wheel fixing column; and a plurality of fixing holes are also provided on the inner hole of the universal wheel fixing column.
[0012] Preferably, the universal wheel assembly is provided with an insertion rod; the insertion rod is connected to the roller bracket through the inner hole of the universal wheel fixing column.
[0013] Preferably, the insertion rod is assembled with an interference fit at the fixing hole of the inner hole of the universal wheel fixing column.
[0014] Preferably, the mounting grooves are multiple dovetail-shaped grooves, and multiple second screw hole fixing columns are provided in the grooves;
[0015] The first screw hole fixing column and the second screw hole fixing column are connected by self-tapping screws.
[0016] Preferably, the number of the first screw hole fixing columns matches the number of the second screw hole fixing columns.
[0017] The utility model also provides a cleaning machine which adopts the roller structure of the cleaning machine.
[0018] Compared with the prior art, the present invention has the following beneficial effects:
[0019] The utility model provides a plurality of dovetail-shaped grooves at the bottom of the front shell component and the bottom of the rear shell component of the machine, with a uniform angle array, and a plurality of screw fixing columns are provided in the grooves; an accessory roller bracket is provided, a dovetail-shaped boss is provided at one end, a plurality of screw hole fixing columns are provided in the boss, and a universal wheel fixing column is provided at the other end, and a plurality of pincer positions are provided in the fixing column; thereby improving the stability of the cleaning machine during use, solving the problem that the cleaning machine is poor in stability during operation and easily causes the machine to tip over when the user operates it, and solving the problem that the roller has a single steering direction and is inconvenient when the machine is dragged. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:
[0021] Figure 1 This is an explosion diagram of the cleaning machine of the utility model;
[0022] Figure 2This is a schematic structural diagram of the roller bracket 2 of the present utility model;
[0023] Figure 3 This is a top view of the utility model cleaning machine after assembly;
[0024] Figure 4 This is a half-section schematic diagram of the cleaning machine of the utility model along the AA angle;
[0025] Figure 5 This is a schematic diagram of the assembled structure of the cleaning machine of the utility model;
[0026] Figure 6 This is a schematic diagram of the use state of the cleaning machine of the utility model.
[0027] The figure shows:
[0028] Front housing assembly 1 Mounting slot 6
[0029] Roller bracket 2 First screw hole fixing column 7
[0030] Boss 21 Universal wheel fixing column 8
[0031] Universal wheel assembly 3 multiple fixed ribs 9
[0032] Self-tapping screw 4 Second screw hole fixing column 10
[0033] Back shell assembly 5 fixed position 11
[0034] Insert rod 12 DETAILED DESCRIPTION
[0035] The present invention will be described in detail below with reference to specific embodiments. The following embodiments will help those skilled in the art further understand the present invention, but are not intended to limit the present invention in any way. It should be noted that a person skilled in the art may make various variations and improvements without departing from the scope of the present invention. Such variations and improvements are all within the scope of protection of the present invention.
[0036] The utility model provides a roller structure of a cleaning machine; it comprises: a front shell assembly 1, a roller bracket 2, a universal wheel assembly 3, and a rear shell assembly 5;
[0037] The front housing assembly 1 is firmly connected to the rear housing assembly 5;
[0038] The bottom of the front housing assembly 1 and the rear housing assembly 5 are both provided with mounting grooves 6;
[0039] The mounting groove 6 is connected to the roller bracket 2, and the roller bracket 2 is fixedly connected to the universal wheel assembly 3;
[0040] A dovetail-shaped boss 21 is provided at one end of the roller bracket 2. A plurality of first screw hole fixing columns 7 are provided within the dovetail-shaped boss 21. The plurality of first screw hole fixing columns 7 are arranged in a triangular pattern. Reinforced clamps are provided on the outer sides of the plurality of screw fixing columns 7. The plurality of screw fixing columns 7 are connected by the reinforced clamps, which increases the stability of the cleaning machine during use.
[0041] A universal wheel fixing column 8 is provided at the other end, and a plurality of fixing ribs 9 are provided on the outside of the universal wheel fixing column 8 for support; a plurality of fixing pins 11 are also provided in the inner hole of the universal wheel fixing column 8; a plurality of fixing ribs 9 are evenly distributed on the universal wheel fixing column 8; a plurality of pins are provided in the middle of the roller bracket 2, and the pins are connected to each other and distributed in a triangular shape to make the connection more stable.
[0042] The universal wheel assembly 3 is provided with an insertion rod 12; the insertion rod 12 is connected to the roller bracket 2 through the inner hole of the universal wheel fixing column 8; more specifically, the insertion rod 12 is assembled with the fixing hole 11 of the inner hole of the universal wheel fixing column 8 by interference fit, and then it is firmly fixed by other tooling equipment;
[0043] The mounting groove 6 is a plurality of dovetail-shaped grooves, in which a plurality of second screw hole fixing columns 10 are arranged; the plurality of second screw hole fixing columns 10 are distributed in a triangular shape, and a reinforcement clamp is provided on the outer side of the second screw hole fixing column 10;
[0044] The first screw hole fixing column 7 and the second screw hole fixing column 10 are connected by self-tapping screws 4 to achieve locking and fixing, and the number of them matches one to one.
[0045] The utility model provides a cleaning machine which adopts the roller structure of the cleaning machine.
[0046] The utility model provides multiple dovetail-shaped grooves at uniform angles at the bottom of the front and rear shell components of the machine, with multiple screw fixing columns set in the grooves; an accessory roller bracket is provided, one end of which is provided with a dovetail-shaped boss with multiple screw hole fixing columns set in the boss, and the other end is provided with a universal wheel fixing column with multiple pins set in the fixing column; thereby improving the stability of the washing machine during use; solving the problem of poor stability during operation and easy tipping of the washing machine when the user operates it; solving the problem of the roller turning in a single direction when the machine is dragged, which is inconvenient; and solving the problem of the machine being able to quickly and easily move to different positions by pulling the high-pressure hose when washing a car. When the user is using it, the user experience is improved.
[0047] The utility model assembles the universal wheel assembly insertion rod into the fixed column of the roller bracket, and uses other tooling equipment to fix it. Then, the dovetail boss of the roller bracket is assembled in the dovetail groove at the bottom of the front shell assembly and the rear shell assembly of the machine, and is locked and fixed with screws. The user can use the machine simply and conveniently, and the appearance of the machine is more beautiful. In addition, the cost is low, and the process is simple and easy to operate.
[0048] The device of the utility model has strong overall structural stability and good directionality when dragging. When the user operates the machine to wash the car, the user can pull the high-pressure hose to quickly and conveniently move the machine to various required positions. It is simple and convenient to use and more efficient.
[0049] The technical solution of the roller structure setting of the washing machine of the utility model solves the problem of poor stability of the washing machine, solves the problem that the roller of the washing machine has a single running direction and the roller is inconvenient to turn when dragging the machine, and solves the problem that when the user operates the machine to wash the car, the user can pull the high-pressure hose to move the machine to various required positions conveniently and quickly. It also improves the aesthetics of the product, is simple and convenient for users to use, is more efficient, and improves the user experience.
[0050] In the description of this application, it should be understood that the terms "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 this application and simplifying the description, and do not indicate or imply 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 this application.
[0051] The above describes specific embodiments of the present invention. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art may make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention. The embodiments of this application and the features in the embodiments may be combined with each other in any manner unless there is a conflict.
Claims
1. A roller structure of a cleaning machine, characterized in that: include: Front housing assembly (1), roller bracket (2), universal wheel assembly (3), rear housing assembly (5); The front housing assembly (1) is firmly connected to the rear housing assembly (5); The bottom of the front housing assembly (1) and the bottom of the rear housing assembly (5) are both provided with mounting grooves (6); The mounting groove (6) is connected to the roller bracket (2), and the roller bracket (2) is fixedly connected to the universal wheel assembly (3); One end of the roller bracket (2) is provided with a dovetail-shaped boss (21), a plurality of first screw hole fixing columns (7) are provided in the dovetail-shaped boss (21), and the other end is provided with a universal wheel fixing column (8).
2. The roller structure of the cleaning machine according to claim 1, characterized in that: The plurality of first screw hole fixing columns (7) are distributed in a triangular shape; reinforcement sockets are provided on the outside of the plurality of first screw hole fixing columns (7); and the plurality of first screw hole fixing columns (7) are connected via the reinforcement sockets.
3. The roller structure of the cleaning machine according to claim 1, characterized in that: The exterior of the universal wheel fixing column (8) is provided with a plurality of fixing ribs (9); the inner hole of the universal wheel fixing column (8) is also provided with a plurality of fixing holes (11).
4. The roller structure of the cleaning machine according to claim 3, characterized in that: The universal wheel assembly (3) is provided with an insertion rod (12); the insertion rod (12) is connected to the roller bracket (2) through the inner hole of the universal wheel fixing column (8).
5. The roller structure of the cleaning machine according to claim 4, characterized in that: The inserting rod (12) is assembled with an interference fit at the fixing socket (11) of the inner hole of the universal wheel fixing column (8).
6. The roller structure of a cleaning machine according to claim 1, characterized in that: The installation grooves (6) are multiple dovetail-shaped grooves, and multiple second screw hole fixing columns (10) are arranged in the grooves; The first screw hole fixing column (7) and the second screw hole fixing column (10) are connected via self-tapping screws (4).
7. The roller structure of a cleaning machine according to claim 6, characterized in that: The number of the first screw hole fixing columns (7) and the number of the second screw hole fixing columns (10) match one to one.
8. A cleaning machine, characterized in that: A roller structure of a cleaning machine according to any one of claims 1 to 7 is adopted.