Brush arm mechanism of car washer

Abstract

The utility model belongs to the technical field of car washing machines, and particularly discloses a car washing machine brush arm mechanism which comprises a car washing brush arm, two torque arm clamping plates, a damping torque arm, a motor box assembly, a brush shaft and a car washing brush. A torque arm hollow shaft is arranged in the middle of the interior of the square pipe, and damping rubber is arranged between the periphery of the torque arm hollow shaft and the four corners of the interior of the square pipe. Through welding of staggered square pipes at the upper end and the lower end of the damping torque arm and flexible connection of damping rubber in the square pipes and a hollow shaft of the torque arm, longitudinal twisting, transverse twisting and transverse and longitudinal twisting are achieved, meanwhile, the limiting effect is achieved within a certain range, in addition, the mechanism prevents grease for maintaining a bearing from splashing to bristles, and the service life of the bearing is prolonged. And therefore, the types of parts are reduced, the mounting efficiency is improved, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to car washer technical field, concretely is a car washer brush arm mechanism. BACKGROUND

[0002] With the development of the times, electrical automation is gradually applied in existing life and production, and gradually replaces the robot.

[0003] The existing tunnel type car washer (such as Figure 1 As shown), usually integrates high pressure spraying, foam spraying, brushing operation, wax spraying, fan drying, has the advantages such as fast car washer speed, car washing cleanliness, it has car washing platform A and the brush arm mechanism B located on the upside of the car washing platform.

[0004] The brushing mechanism B in the tunnel type car washer includes several parts such as car washing brush arm 1, upper hanger 2, lower hanger 4, damper 5, motor box, brush shaft 10 and car washing brush 11, as shown in Figure 2 、 3 As shown.

[0005] When brushing, it is relied on the swing of the car washing brush arm, the car washing brush arm 1 is bolted with the upper hanger 2 through the pivot 3 and bearing, so that the car washing brush arm 1 and the upper hanger 2 can freely swing longitudinally, the upper hanger 2 is bolted with the lower hanger 4 through the pivot 3 and bearing, so that the upper hanger 2 and the lower hanger 4 can freely swing transversely, at the same time, the car washing brush arm 1 is connected with the lower hanger 4 through the damper 5, so that the car washing brush arm 1 and the lower hanger 4 can swing within a certain range and have a buffering effect, so that the car washing process is relatively soft when the brush is close to the car body.

[0006] In the above existing brush arm mechanism B, the car washing brush arm 1 is connected with the upper hanger 2, and the upper hanger 2 is connected with the lower hanger 4, both are connected through the pivot and bearing, and the car washing brush arm 1 is also connected with the lower hanger 4 through the damper 5, because the upper hanger 2 and the car washing brush arm 1 twist longitudinally with each other, and the upper hanger 2 and the lower hanger 4 twist transversely with each other in the car washing process, the damper 5 can make the car washing brush arm 1 and the lower hanger 4 twist within a limited range, so that the brushing process between the brush and the vehicle being washed is relatively soft contact.

[0007] Firstly, a large number of bolts are used for installation, the installation is relatively cumbersome, and the after-sales maintenance is not convenient,

[0008] Secondly, four bearings are used between the brushing brush arm 1, the upper hanger 2 and the lower hanger 4, which need to be maintained from time to time, and the oil stains in the maintenance process splash on the car washing brush 11, and then on the surface of the vehicle being washed, which needs to be cleaned again with a special oil stain cleaning agent, affecting the car washing effect.

[0009] Secondly, the structure design is relatively complex, and various plates, profiles and shafts are needed for the upper and lower hangers, the precision is not easy to control, the yield is low, and after the anti-corrosion galvanizing and plastic spraying treatment, the shaft bearing part needs to be polished again, and the installation tolerance cannot be guaranteed.

[0010] Finally, the manufacturing cost cannot be reduced, and it is difficult to mass-produce. Content of the utility model

[0011] The utility model discloses a car washing machine brush arm mechanism to solve the problems in the above background art.

[0012] To achieve the above object, the utility model provides the following technical scheme: a car washing machine brush arm mechanism, comprising:

[0013] The car washing brush arm, two torsion arm clamping plates, a damping torsion arm, a motor box assembly, a brush shaft and a car washing brush are arranged in sequence.

[0014] The damping torsion arm comprises two hollow square tubes with open ends, the two square tubes are connected through a connecting arm, a torsion arm hollow shaft is arranged in the middle of the square tube, and damping rubber is arranged between the periphery of the torsion arm hollow shaft and the four corners of the square tube.

[0015] The two torsion arm clamping plates are connected on the opposite two side walls of one end of the car washing brush arm through screws, and the lower end of the torsion arm clamping plate extends downward, and the two ends of the torsion arm hollow shaft in the upper square tube are connected with the lower ends of the two torsion arm clamping plates through bolts.

[0016] The torsion arm hollow shaft in the lower square tube is connected with the motor box assembly, the lower side of the motor box assembly is connected with the top end of the brush shaft, and the car washing brush is wrapped on the outer wall of the brush shaft.

[0017] Preferably, the included angle of the axis between the two square tubes is 30-60 degrees.

[0018] Preferably, the two side edges of the torsion arm clamping plate are bent, and the upper end of the torsion arm clamping plate is bent to the upper surface of one end of the car washing brush arm and hung on the car washing brush arm.

[0019] Preferably, the motor box assembly comprises a motor seat and a driving motor, the motor seat comprises a vertical plate, the upper and lower ends of the vertical plate are bent to one side and form an upper connecting plate and a lower connecting plate, the driving motor is installed on the lower connecting plate, a through groove is formed in the upper connecting plate, the lower square tube is inserted into the through groove, and the torsion arm hollow shaft of the lower square tube is connected with the vertical plate and the upper connecting plate through screws.

[0020] Preferably, a shaft hole is formed in the lower connecting plate, the upper end of the brush shaft penetrates through the shaft hole and is connected with the output shaft of the driving motor.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] Through the misplacement square tube welding of the upper and lower ends of the damping torsion arm, the flexible connection of the damping rubber inside the square tube and the torsion arm hollow shaft, longitudinal torsion, transverse torsion and transverse longitudinal torsion are realized, and the limiting effect in a certain range is also achieved, in addition, the mechanism avoids the splashing of the oil for bearing maintenance, the brushing of the bristles, the splashing of the car body and the influence on the car washing effect, reduces the types of parts, improves the installation efficiency and reduces the cost. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural schematic view of the prior tunnel type car washer;

[0024] Figure 2 It is a structural schematic view of the prior brush arm mechanism;

[0025] Figure 3 It is a structural schematic view of the prior brush arm mechanism; Figure 2 It is an enlarged structural schematic view of the part C;

[0026] Figure 4 It is a structural schematic view of the utility model;

[0027] Figure 5 It is an enlarged structural schematic view of the part D of the utility model; Figure 4

[0028] Figure 6 It is a structural schematic view of the torsion arm clamping plate of the utility model;

[0029] Figure 7 It is a structural schematic view of the damping torsion arm of the utility model;

[0030] Figure 8 It is a structural schematic view of the motor seat of the utility model;

[0031] Figure 9 It is a structural schematic view of the motor seat and the driving motor of the utility model.

[0032] In the drawing: 1, car washing brush arm; 2, upper hanger, 3, lower hanger; 4, lower hanger; 5, damper; 6, torsion arm clamping plate; 7, damping torsion arm; 71, connecting arm; 72, upper side square tube; 73, torsion arm hollow shaft; 74, damping rubber; 8, motor seat; 81, vertical plate; 82, upper connecting plate; 83, through groove; 84, through shaft hole; 9, driving motor; 10, brush shaft; 11, car washing brush. DETAILED DESCRIPTION

[0033] ​Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0035] Embodiment one:

[0036] Please refer to Figures 1-9 , the present application provides a technical scheme: a car washing machine brush arm mechanism, comprising: a car washing brush arm 1, two torsion arm clamping plates 6, a damping torsion arm 7, a motor box assembly, a brush shaft 10 and a car washing brush 11;

[0037] Among them, the damping torsion arm 7 includes two hollow and two ends open square tubes 72, two square tubes 72 are connected through connecting arm 71, the inside of square tube 72 is provided with torsion arm hollow shaft 73, the periphery of torsion arm hollow shaft 73 and the inside four corners of square tube 72 are provided with damping rubber 74; two torsion arm clamping plates 6 are connected on the opposite two side walls of one end of car washing brush arm 1 through screws, and the lower end of torsion arm clamping plate 6 extends downward, the two ends of torsion arm hollow shaft 73 in the upper square tube 72 are connected with the lower end of two torsion arm clamping plates 6 through bolts; the lower torsion arm hollow shaft 73 in the square tube 72 is connected with the motor box assembly, the lower side of the motor box assembly is connected with the top end of the brush shaft 10, and the car washing brush 11 is wrapped on the outer wall of the brush shaft 10. The included angle of the axis between two square tubes 72 is 30°-60° (as shown in Figure 7

[0038] The above content is analyzed: in use, the lower end of the two sides of torsion arm clamping plate 6 is connected with the upper torsion arm hollow shaft 73 through four screws, and the two sides of the lower torsion arm hollow shaft 73 are connected with the motor seat 8 (i.e. the stand plate 81 and the upper connecting plate 82 in the following embodiment) through four screws.

[0039] ​The motor box assembly drives the rotation of the brush shaft 10 and the car washing brush 11, and the torsion arm hollow shaft 73 and the damping rubber 74 are used in cooperation to enable the motor seat 8, the brush shaft 10 and the car washing brush 11 to be adjusted and reset by a certain angle relative to the car washing brush arm 1.

[0040] Embodiment two:

[0041] Please refer to Figures 1-9 The utility model provides a technical scheme: the two side edges of the torsion arm clamping plate 6 are bent, and the upper end of the torsion arm clamping plate 6 is bent to the upper surface of one end of the car washing brush arm 1 and hung on the car washing brush arm 1.

[0042] The above content is analyzed: the torsion arm clamping plate 6 is not easy to deform, and the upper end is hung on the upper surface of the car washing brush arm 1, which increases the stability.

[0043] Embodiment three:

[0044] Please refer to Figures 1-9 The utility model provides a technical scheme: the motor box assembly includes the motor seat 8 and drive motor 9, the motor seat 8 includes vertical board 81, the upper and lower ends of vertical board 81 are bent to one side and form upper connecting plate 82, lower connecting plate, drive motor 9 is installed on lower connecting plate, is equipped with through groove 83 on upper connecting plate 82, and the square tube 72 on the lower side is inserted from the through groove 83, and the torsion arm hollow shaft 73 of the lower square tube 72 is connected with vertical board 81, upper connecting plate 82 through screw connection. The lower connecting plate is equipped with through shaft hole 84, and the upper end of the brush shaft 10 penetrates the shaft hole 84 and is connected with the output shaft of drive motor 9.

[0045] The above content is analyzed: the drive motor 9 is installed on the lower connecting plate on the lower side of the vertical board 81, the output shaft of the drive motor 9 drives the rotation of the car washing brush 11 through the brush shaft 10, and the screw mounting holes are arranged on the opposite positions of the vertical board 81 and the upper connecting plate 82. The end of the torsion arm hollow shaft 73 of the square tube 72 on the lower side is connected through a screw.

[0046] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

[0047] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A car wash machine brush arm mechanism, characterized by, The car washing brush arm (1), two torsion arm clamping plates (6), a damping torsion arm (7), a motor box assembly, a brush shaft (10) and a car washing brush (11) are included. The damping torsion arm (7) comprises two hollow and open-ended square tubes (72), the two square tubes (72) are connected through a connecting arm (71), a torsion arm hollow shaft (73) is arranged in the middle of the square tube (72), and damping rubber (74) is arranged between the outer periphery of the torsion arm hollow shaft (73) and the four corners of the square tube (72). The two torsion arm clamping plates (6) are connected on the opposite two side walls of one end of the car washing brush arm (1) through screws, the lower end of the torsion arm clamping plate (6) extends downward, and the two ends of the torsion arm hollow shaft (73) in the upper square tube (72) are connected with the lower end of the two torsion arm clamping plates (6) through bolts. The torsion arm hollow shaft (73) in the lower square tube (72) is connected with the motor box assembly, the lower side of the motor box assembly is connected with the top end of the brush shaft (10), and the car washing brush (11) is wrapped on the outer wall of the brush shaft (10). The included angle of the axes between the two square tubes (72) is 30°-60°.

2. A car wash machine brush arm mechanism according to claim 1, wherein: The two side edges of the torsion arm clamping plate (6) are bent, the upper end of the torsion arm clamping plate (6) is bent towards the upper surface of one end of the car washing brush arm (1) and hung on the car washing brush arm (1).

3. A car wash machine brush arm mechanism according to claim 1, wherein: The motor box assembly comprises a motor seat (8) and a driving motor (9), the motor seat (8) comprises a vertical plate (81), the upper and lower ends of the vertical plate (81) are bent towards one side and form an upper connecting plate (82) and a lower connecting plate, the driving motor (9) is installed on the lower connecting plate, a through groove (83) is formed in the upper connecting plate (82), the lower square tube (72) is inserted from the through groove (83), and the torsion arm hollow shaft (73) of the lower square tube (72) is connected with the vertical plate (81) and the upper connecting plate (82) through screws.

4. A car wash machine brush arm mechanism according to claim 1, wherein: A shaft hole (84) is formed in the lower connecting plate, the upper end of the brush shaft (10) penetrates through the shaft hole (84) and is connected with the output shaft of the driving motor (9).

5. A car wash machine brush arm mechanism according to claim 4 wherein: ​

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