Scratch-proof car washing machine arm

CN224660717UActive Publication Date: 2026-08-21SHENYANG XINBAOLU AIRLINE MASCH MFG CO LTD
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Patent Information

Application Number
CN202521959457.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-12
Publication Date
2026-08-21
Estimated Expiration
2035-09-12

AI Technical Summary

Technical Problem

[0003]然而,现有的无横移小车的洗车机洗车臂没有机械防撞装置,在洗车机工作过程中洗车臂遇到障碍物时,无法自动停止工作,容易与障碍物产生刮碰,损伤车漆

Benefits of technology

本实用新型提供了一种防刮碰的洗车机洗车臂,具备以下有益效果:

✦ Generated by Eureka AI based on patent content.

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    Figure CN224660717U_ABST
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Abstract

The utility model discloses a kind of anti-scratching car washer arm of car washer, it is related to car washer technical field, including car washer arm, nozzle, several nozzles are set on car washer arm, further including sensor, inductive plate and the automatic back to normal component of driving car washer arm reset;The automatic back to normal component is installed in the one end of the car washer arm, the transmission shaft is fixedly connected in the top of the automatic back to normal component, the driving part for driving the transmission shaft rotation is installed on the car washer;The sensor is set on automatic back to normal component, the sensor is electrically connected with PLC controller, the inductive plate is installed on car washer arm, effectively solve the technical problem that the car washer arm of the car washer without horizontal moving trolley of existing does not have mechanical anti-collision device, when car washer arm meets obstacle in the working process of car washer, cannot automatically stop working, easy to produce scratch and bump with obstacle, damage car paint.
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Description

Technical Field

[0001] This utility model relates to the field of car wash machine technology, specifically to a scratch-resistant car wash machine arm. Background Technology

[0002] With the rapid development of the automotive industry and the continuous increase in car ownership, the demand for car maintenance and cleaning services is also increasing. As an important part of car maintenance, car wash services are receiving increasing attention from consumers regarding their efficiency and quality. Car wash machines are a new generation of car cleaning tools. Car wash machines without a traverse cart are a new type of car wash equipment. During the washing process, the vehicle remains stationary, while the frame or swing arm of the car wash machine reciprocates or rotates around the vehicle according to a preset program, simultaneously executing car wash instructions such as spraying water, spraying foam, brushing, and drying, thereby completing the car wash.

[0003] However, existing car wash arms without traverse carts lack mechanical anti-collision devices. When the car wash arm encounters an obstacle during operation, it cannot automatically stop working and is prone to scraping and colliding with the obstacle, damaging the car paint. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a scratch-resistant car wash arm, which solves the technical problems mentioned in the background section.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a car wash arm for preventing scratches and collisions, including a car wash arm, nozzles, a plurality of nozzles disposed on the car wash arm, and also including a sensor, a sensing plate and an automatic return assembly for driving the car wash arm to reset. The automatic return assembly is installed at one end of the car wash arm, and a drive shaft is fixedly connected to the top of the automatic return assembly. A drive component for driving the drive shaft to rotate is installed on the car wash machine. The sensor is mounted on the automatic return assembly and is electrically connected to the PLC controller. The sensing plate is mounted on the car wash arm.

[0006] Preferably, the automatic return assembly includes a fixed bearing seat, a movable spring seat, a fixed spring seat, and a spring. One end of the car wash arm is fixedly connected to a rotating shaft. The fixed bearing seat is fixedly installed on the rotating shaft. The top of the fixed bearing seat is fixedly connected to a drive shaft. The movable spring seat is movably installed on the car wash arm. The fixed spring seat is fixedly installed on the car wash arm. Both the movable spring seat and the fixed spring seat have grooves inside. The two ends of the spring are respectively fixedly connected to the inner walls of a pair of grooves.

[0007] Preferably, the contact area between the movable spring seat and the fixed bearing seat is provided with a mutually cooperating concave-convex structure.

[0008] Preferably, the movable spring seat is connected to the rotating shaft by a key.

[0009] Preferably, a conductive slip ring is provided on the drive shaft.

[0010] Preferably, the sensor is electrically connected to the PLC controller.

[0011] Beneficial effects This utility model provides a scratch-resistant car wash arm for a car wash machine, which has the following beneficial effects: 1. The drive shaft is driven to rotate by the drive component, which in turn drives the car wash arm to rotate. The car wash arm is installed and rotates to spray water on the car in multiple directions. The car wash arm is equipped with a sensor plate. When the car wash arm encounters an obstacle during rotation, the car wash arm drives the sensor plate to rotate relative to the sensor by a certain angle. The sensor will receive the signal and transmit the signal to the PLC controller. After receiving the signal, the PLC controls the car wash machine to stop working. 2. With the rotating shaft installed, when the car wash arm encounters resistance while rotating, the car wash arm rotates with the rotating shaft, and the rotating shaft drives the movable spring seat to rotate. With the concave and convex structure, under the action of the angle of the concave and convex structure, the movable spring seat compresses the spring and moves to the right. When the external force is removed, the spring pushes the movable spring seat and the car wash arm back to their original positions, realizing automatic return to center. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the present invention; Figure 2 This is a schematic diagram of the drive mechanism of the car wash arm; Figure 3 for Figure 2 Sectional view of AA; Figure 4 for Figure 2 A schematic diagram of the induction plate in direction B.

[0013] In the diagram: 1. Wash arm; 2. Rotating shaft; 3. Fixed bearing seat; 4. Drive shaft; 5. Conductive slip ring; 6. Sensor; 7. Sensing plate; 8. Spring; 9. Movable spring seat; 10. Fixed spring seat; 11. Nozzle. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Wherein, directional terms such as "upper" and "lower" mentioned herein are used in conjunction with... Figure 2 The orientation is used as a reference.

[0015] Please see Figures 1-4This utility model provides a technical solution: a car wash arm 1 for a car wash machine that is scratch-resistant, including a car wash arm 1, a nozzle 11, a plurality of nozzles 11 disposed on the car wash arm 1, and also includes a sensor 6, a sensing plate 7 and an automatic return assembly that drives the car wash arm 1 to reset. An automatic return assembly is installed at one end of the car wash arm 1. A drive shaft 4 is fixedly connected to the top of the automatic return assembly. A drive unit for driving the drive shaft 4 to rotate is installed on the car wash machine. Sensor 6 is installed on the automatic return assembly and is electrically connected to the PLC controller. Sensor 7 is installed on the car wash arm 1.

[0016] The drive shaft 4 is driven to rotate by the drive component, which in turn drives the car wash arm 1 to rotate. The car wash arm 1 is installed and rotates to spray water on the car in multiple directions. The car wash arm 1 is equipped with a sensor plate 7. When the car wash arm 1 encounters an obstacle during rotation, the car wash arm 1 drives the sensor plate 7 to rotate relative to the sensor 6 by a certain angle. The sensor 6 will receive a signal and transmit the signal to the PLC controller. After receiving the signal, the PLC controls the car wash machine to stop working. The automatic return component can drive the car wash arm 1 back to its original position to achieve automatic return.

[0017] Furthermore, the automatic return assembly includes a fixed bearing seat 3, a movable spring seat 8, a fixed spring seat 8, and a spring 8. One end of the car wash arm 1 is fixedly connected to a rotating shaft 2. The fixed bearing seat 3 is fixedly installed on the rotating shaft 2. The top of the fixed bearing seat 3 is fixedly connected to the drive shaft 4. The movable spring seat 8 is movably installed on the car wash arm 1. The fixed spring seat 8 is fixedly installed on the car wash arm 1. Both the movable spring seat 8 and the fixed spring seat 8 have grooves. The two ends of the spring 8 are fixedly connected to the inner walls of a pair of grooves, respectively.

[0018] Furthermore, the contact point between the movable spring seat 8 and the fixed bearing seat 3 is provided with a mutually cooperating concave-convex structure.

[0019] With the rotating shaft 2 installed, when the car wash arm 1 encounters resistance during rotation, the car wash arm 1 rotates with the rotating shaft 2, and the rotating shaft 2 drives the movable spring 8 seat to rotate. With the concave and convex structure set, under the action of the angle of the concave and convex structure, the movable spring 8 seat compresses the spring 8 to move to the right. When the external force is removed, the spring 8 pushes the movable spring 8 seat and the car wash arm 1 back to their original positions, realizing automatic return to center.

[0020] Furthermore, the movable spring seat 8 is connected to the rotating shaft 2 by a key.

[0021] Furthermore, a conductive slip ring 5 is provided on the drive shaft 4, and the function of the conductive slip ring 5 is to supply power to the sensor 6.

[0022] Furthermore, sensor 6 is electrically connected to the PLC controller.

[0023] Those skilled in the art should connect all electrical components and their compatible power supplies in this case via wires, and should select appropriate controllers according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the working principle described below, where the electrical connections between the various electrical components are completed in sequence. The detailed connection methods are well-known technologies in the field. The following mainly introduces the working principle and process, and will not describe the electrical control further.

[0024] The working principle and usage process of this utility model are as follows: When the car wash machine is working normally, the drive motor drives the transmission shaft 4 to rotate, the transmission shaft 4 drives the fixed bearing seat 3 to rotate, the fixed bearing seat 3 drives the rotating shaft 2 and the connected movable car wash arm 1 to rotate. When the car wash arm 1 encounters resistance, the car wash arm 1 drives the upper sensing plate 7 to rotate relative to the sensor 6 at a certain angle. The sensor 6 will receive the signal and transmit the signal to the PLC control system. After receiving the signal, the PLC controls the car wash machine to stop working. After the problem is solved, the car wash arm 1 drives the rotating shaft 2 to rotate, and the rotating shaft 2 drives the movable spring 8 seat to rotate. Since the movable spring 8 seat and the bearing seat have a certain angle of convex and concave structure at the contact point, under the action of the angle, the movable spring 8 seat compresses the spring 8 to move to the right. When the external force is removed, the spring 8 pushes the movable spring 8 seat and the car wash arm 1 back to their original positions, realizing automatic return to center.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A scratch-resistant car wash arm, comprising a wash arm (1) and nozzles (11), wherein a plurality of nozzles (11) are disposed on the wash arm (1), characterized in that, It also includes a sensor (6), a sensor plate (7), and an automatic return assembly that drives the car wash arm (1) to reset; The automatic return assembly is installed at one end of the car wash arm (1), and a drive shaft (4) is fixedly connected to the top of the automatic return assembly. A drive component for driving the drive shaft (4) to rotate is installed on the car wash machine. The sensor (6) is mounted on the automatic return assembly and is electrically connected to the PLC controller. The sensing plate (7) is mounted on the car wash arm (1).

2. The anti-scratch and collision car wash arm according to claim 1, characterized in that, The automatic return assembly includes a fixed bearing seat (3), a movable spring seat (9), a fixed spring seat (10), and a spring (8). One end of the car wash arm (1) is fixedly connected to a rotating shaft (2). The fixed bearing seat (3) is fixedly installed on the rotating shaft (2). The top of the fixed bearing seat (3) is fixedly connected to the transmission shaft (4). The movable spring seat (9) is movably installed on the car wash arm (1). The fixed spring seat (10) is fixedly installed on the car wash arm (1). Both the movable spring seat (9) and the fixed spring seat (10) have grooves. The two ends of the spring (8) are fixedly connected to the inner walls of a pair of grooves.

3. The anti-scratch and collision car wash arm according to claim 2, characterized in that, The movable spring seat (9) and the fixed bearing seat (3) are provided with a mutually cooperating concave-convex structure at the contact point.

4. The anti-scratch and collision car wash arm according to claim 2, characterized in that, The movable spring seat (9) is connected to the rotating shaft (2) by a key.

5. A scratch-resistant car wash arm according to claim 1, characterized in that, A conductive slip ring (5) is provided on the drive shaft (4).

6. The anti-scratch and collision car wash arm according to claim 1, characterized in that, The sensor (6) is electrically connected to the PLC controller.