CN216034250U

CN216034250U - Wiper actuating mechanism

Info

Publication number: CN216034250U
Application number: CN202122205035.7U
Authority: CN
Inventors: 林日丰; 娄佳慧; 林佳佳
Original assignee: Ruian Zhongji Automobile Electric Appliance Co ltd
Current assignee: Ruian Zhongji Automobile Electric Appliance Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-03-15
Anticipated expiration: 2031-09-13

Abstract

The utility model belongs to a windscreen wiper driving mechanism in the field of windscreen wipers, and the windscreen wiper driving mechanism comprises a workbench, wherein a first driving motor is arranged at the top of the workbench, a first threaded rod is fixedly connected with the output end of the first driving motor, first fixing frames are arranged on the left side and the right side of the workbench, a sliding rod is arranged between the first fixing frames, a sliding table is arranged above the workbench, a second driving motor is arranged above the sliding table, a second threaded rod is fixedly connected with the output end of the second driving motor, a protective cover is arranged above the sliding table, a first rotating shaft is arranged in the protective cover, a rotating wheel is fixedly sleeved on the first rotating shaft, a fixed block is fixedly connected to the front end of the first rotating shaft, a telescopic rod is fixedly connected to the upper part of the fixed block, a first connecting rod is arranged at the front end of the telescopic rod, the first connecting rod is rotatably connected with a second connecting rod, a second fixing frame is arranged above the sliding table, and a sliding rail is arranged at the rear end of the second fixing frame; the device not only can be to windscreen wiper speed governing, can also clear up different length windshield on the machineshop car.

Description

Wiper actuating mechanism

Technical Field

The utility model belongs to the field of a windscreen wiper, and particularly relates to a driving mechanism of the windscreen wiper.

Background

The wiper device is also called a wiper or a windshield wiper, and is used for removing water, snow and dust on a windshield and ensuring that a cab still has a good sight line in bad weather.

At present, the windscreen wipers used on engineering machinery vehicles are mostly electric control windscreen wipers and are driven by a motor, because engineering vehicles generally have one or two wiper arms and drive the wiper arms independently, the cleaning requirements of the engineering vehicles cannot be met by one or two windscreen wipers due to overlong lengths of front windscreen of the engineering vehicles, and the cleaning of the windscreen wipers is a fan-shaped area, so that certain cleaning blind areas exist.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a windscreen wiper driving mechanism, which comprises a workbench, wherein a first driving motor is arranged at the top of the workbench, the bottom of the first driving motor is fixedly connected with a first fixing base, the first fixing base is fixedly connected with the workbench, a first threaded rod is fixedly connected with the output end of the first driving motor, first fixing frames are respectively arranged at the left side and the right side of the workbench, a sliding rod is arranged between the first fixing frames, a sliding table is arranged above the workbench and is in sliding connection with the sliding table, the sliding table is provided with a through hole and a threaded hole, a second driving motor is arranged above the sliding table, the bottom of the second driving motor is fixedly connected with a second fixing base, the second fixing base is fixedly connected with the sliding table, a second threaded rod is fixedly connected with the output end of the second driving motor, and a protective cover is arranged above the sliding table, the protective cover is provided with a first rotating shaft, the first rotating shaft is fixedly sleeved with a rotating wheel, the rotating wheel is meshed with a second threaded rod and connected with the first rotating shaft, the front end of the first rotating shaft is fixedly connected with a fixed block, the upper portion of the fixed block is fixedly connected with a telescopic rod, the front end of the telescopic rod is provided with a first connecting rod, the first connecting rod is close to a second rotating shaft fixedly connected with the telescopic rod, the other end of the first connecting rod is fixedly connected with a third rotating shaft, the third rotating shaft is in through connection with a second connecting rod, a second fixing frame is arranged above the sliding table, and a sliding rail is arranged at the rear end of the second fixing frame.

As a preferable technical scheme of the utility model, the radius of a through hole formed in the sliding table is larger than that of the sliding rod, and the sliding table is in threaded connection with the first threaded rod.

As a preferred technical scheme of the utility model, a protective cover is arranged above the sliding table to play a role in preventing dust and silt.

As a preferred technical solution of the present invention, the front end of the first rotating shaft is connected to the protective cover in a penetrating manner, and the rear end of the first rotating shaft is connected to the inner wall of the protective cover in a rotating manner.

As a preferable technical scheme of the utility model, the third rotating shaft is in sliding clamping connection with the slide rail, so that the third rotating shaft moves in the slide rail.

The utility model has the following beneficial effects: when the telescopic link extends or shortens, the circular motion radius that the telescopic link was done will increase or reduce, just also drive first connecting rod bottom, axis of rotation three and the displacement grow or reduce that the second connecting rod was linear motion, because second driving motor power is unchangeable to the speed that the fan-shaped motion was done to the second connecting rod changes thereupon.

Mount one that both ends were equipped with about the workstation top and slide bar fixed connection and run through the sliding stand, play spacing and support the effect of sliding stand, it is rotatory that first driving motor starts to drive first threaded rod, thereby drive the displacement about the sliding stand is holistic, and then when the engineering truck in the face of preceding windshield overlength, can carry out the sand and dust on displacement clearance windshield surface, impurity of influence sight such as sleet, and because of its device can remove, the problem that conventional cleaning device is the sector region clearance and has the clearance blind area has also been avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a rear cross-sectional view of the present invention;

FIG. 3 is a right side view of the present invention;

fig. 4 is an enlarged view of a in fig. 3.

In the figure: 1. a work table; 2. a first stationary base; 3. a first drive motor; 4. a first threaded rod; 5. a first fixing frame; 6. a slide bar; 7. a sliding table; 8. a second stationary base; 9. a second drive motor; 10. a second threaded rod; 11. a rotating wheel; 12. rotating a first shaft; 13. a protective cover; 14. a fixed block; 15. a telescopic rod; 16. a second rotating shaft; 17. a first link; 18. a third rotating shaft; 19. a second link; 20. a second fixing frame; 21. a slide rail; 22. and fixing the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in figures 1-4, a wiper driving mechanism comprises a workbench 1, a first driving motor 3 is arranged at the top of the workbench 1, a first fixing base 2 is fixedly connected to the bottom of the first driving motor 3, the first fixing base 2 is fixedly connected with the workbench 1, a first threaded rod 4 is fixedly connected to the output end of the first driving motor 3, first fixing frames 5 are arranged on the left and right sides of the workbench 1, a sliding rod 6 is arranged between the first fixing frames 5, a sliding table 7 is arranged above the workbench 1, the sliding rod 6 is slidably connected with the sliding table 7, the sliding table 7 is provided with a through hole and a threaded hole, a second driving motor 9 is arranged above the sliding table 7, a second fixing base 8 is fixedly connected to the bottom of the second driving motor 9, the second fixing base 8 is fixedly connected with the sliding table 7, and a second threaded rod 10 is fixedly connected to the output end of the second driving motor 9, sliding table 7 top is equipped with protection casing 13, be equipped with axis of rotation one 12 in the protection casing 13, axis of rotation one 12 is fixed to have cup jointed and has rotated wheel 11, it is connected with the meshing of second threaded rod 10 to rotate wheel 11, axis of rotation one 12 front end fixedly connected with

fixed block

14, 14 upper portion fixedly connected with telescopic link 15 of fixed block, 15 front ends of telescopic link are equipped with first connecting rod 17, first connecting rod 17 is close to one end fixedly connected with axis of rotation two 16 of

telescopic link

15, 17 other end fixedly connected with axis of rotation three 18 of first connecting rod, axis of rotation three 18 through connection has second connecting rod 19, sliding table 7 top is equipped with mount two 20, mount two 20 rear ends are equipped with slide rail 21, axis of rotation three 18 and slide rail 21 joint, make axis of rotation three 18 slide in slide rail 21, mount two 20 rear end fixedly connected with fixed axle 22, make second connecting rod 19 do fan-shaped motion.

Specifically, when the utility model is used, the fixed frames 5 arranged at the left end and the right end above the workbench 1 are fixedly connected with the sliding rod 6 and penetrate through the sliding table 7 to play a role of limiting and supporting the sliding table 7, the first driving motor 3 fixedly connected with the first fixed base 2 is started to drive the first threaded rod 4 fixedly connected with the output end of the first driving motor 3 to rotate, so as to drive the sliding table 7 to move left and right integrally, and further, when facing a project with overlong front windshield, the project can move to clean sand and dust on the surface of the windshield, impurities affecting sight such as rain and snow and the like, and the problem that a conventional cleaning device has a cleaning blind area in a fan-shaped area is solved because the device can move, the second driving motor 9 fixedly connected with the second fixed base 8 and arranged above the sliding table 7 is started to drive the second threaded rod 10 fixedly connected with the output end of the second driving motor 9 to rotate, and then drive the rotating wheel 11 that the engagement connects, the protective cover 13 set up above the sliding table 7, can play the effects of preventing dust and silt, the rotating wheel 11 rotates and drives the first axis of rotation 12 to rotate, and then drive the fixed block 14 to rotate, the fixed block 14 rotates and drives the telescopic link 15 to make the circular motion, because one end of the first tie rod 17 rotates and connects with second axis of rotation 16 that the telescopic link 15 is fixedly connected, another end of the first tie rod 17 connects with third axis of rotation 18, and third axis of rotation 18 runs through the second tie rod 19 and joint in the slide rail 21, so the bottom end of the first tie rod 17, third axis of rotation 18 and second tie rod 19 make the linear motion under the drive of the telescopic link 15, under the fixed shaft 22 fixedly connects the function of the second mount 20, make the second tie rod 19 make the fan-shaped motion, when the telescopic link 15 extends or shortens, the circular motion radius that the telescopic link 15 does will increase or reduce, namely take the bottom end of the first tie rod 17, The displacement of the third rotating shaft 18 and the second connecting rod 19 in the linear motion is increased or decreased, because the power of the second driving motor 9 is unchanged, the speed of the second connecting rod 19 in the fan-shaped motion is changed, and the speed of the wiper is changed accordingly.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. The utility model provides a wiper actuating mechanism, includes workstation (1), its characterized in that: the automatic cutting machine is characterized in that a first driving motor (3) is arranged at the top of the workbench (1), a first fixing base (2) is fixedly connected to the bottom of the first driving motor (3), the first fixing base (2) is fixedly connected with the workbench (1), a first threaded rod (4) is fixedly connected to the output end of the first driving motor (3), fixing frames (5) are arranged on the left side and the right side of the workbench (1), a sliding rod (6) is arranged between the two fixing frames (5), a sliding table (7) is arranged above the workbench (1), the sliding rod (6) is slidably connected with the sliding table (7), a through hole and a threaded hole are formed in the sliding table (7), a second driving motor (9) is arranged above the sliding table (7), a second fixing base (8) is fixedly connected to the bottom of the second driving motor (9), and the second fixing base (8) is fixedly connected with the sliding table (7), the output end of the second driving motor (9) is fixedly connected with a second threaded rod (10), the left end of the second driving motor (9) is provided with a first rotating shaft (12), the first rotating shaft (12) is fixedly sleeved with a rotating wheel (11), the rotating wheel (11) is meshed with the second threaded rod (10) and is connected with a fixed block (14), the upper portion of the fixed block (14) is fixedly connected with a telescopic rod (15), the front end of the telescopic rod (15) is provided with a first connecting rod (17), one end, close to the telescopic rod (15), of the first connecting rod (17) is fixedly connected with a second rotating shaft (16), the other end of the first connecting rod (17) is fixedly connected with a third rotating shaft (18), the third rotating shaft (18) is connected with a second connecting rod (19) in a penetrating manner, and a second fixing frame (20) is arranged above the sliding table (7), and the rear end of the second fixing frame (20) is provided with a sliding rail (21), and the rear end of the second fixing frame (20) is fixedly connected with a fixing shaft (22).

2. The wiper drive mechanism according to claim 1, wherein: the radius of a through hole formed in the sliding table (7) is larger than that of the sliding rod (6), and the sliding table (7) is in threaded connection with the first threaded rod (4).

3. The wiper drive mechanism according to claim 1, wherein: and a protective cover (13) is arranged above the sliding table (7).

4. The wiper drive mechanism according to claim 1, wherein: the front end of the first rotating shaft (12) is connected with the protective cover (13) in a penetrating mode, and the rear end of the first rotating shaft (12) is connected with the inner wall of the protective cover (13) in a rotating mode.

5. The wiper drive mechanism according to claim 1, wherein: and the third rotating shaft (18) is in sliding clamping connection with the sliding rail (21).