CN219687270U

CN219687270U - Windscreen wiper transmission device

Info

Publication number: CN219687270U
Application number: CN202321149021.0U
Authority: CN
Inventors: 陈俊杰; 冯善美; 李强
Original assignee: Ningbo Nanxing Auto Part Co ltd
Current assignee: Ningbo Nanxing Auto Part Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-09-15
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a windscreen wiper transmission device, and relates to the technical field of automobile accessories. The motor support is respectively provided with a permanent magnet direct current motor and a connecting pipe, the output shaft of the permanent magnet direct current motor is provided with a main crank, the main crank is provided with a main connecting ball head, the main connecting ball head is respectively connected with a first connecting rod and a second connecting rod, the other ends of the first connecting rod and the second connecting rod are respectively provided with a side connecting ball head, the side connecting ball heads are respectively provided with a side crank, and the two ends of the connecting pipe are provided with a bracket. According to the windscreen wiper transmission device, the motor drives the main crank to do circular motion around the main crank, and drives the connecting rods on two sides to link the side cranks to deflect, so that the rotating shaft does periodic motion along with the motion of the side cranks, and the windscreen wiper arm fixed on the rotating shaft is driven to do reciprocating motion.

Description

Windscreen wiper transmission device

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to a windscreen wiper transmission device.

Background

The windscreen wiper is a sheet structure arranged in front of a windscreen, and the common structure consists of a motor, a speed reducer, a four-bar mechanism, a wiper arm mandrel, a wiper blade assembly and the like, and is mainly used for brushing equipment for scraping raindrops and dust attached to the windscreen of a vehicle so as to improve the visibility of a driver and increase the driving safety.

The four-bar mechanism is a common windscreen wiper transmission structure, and corresponding connecting rods and rocking bars are arranged for each set of brush arm and brush piece assembly, so that the four-bar mechanism is arranged for two sets of brush arm and brush piece assemblies, the four-bar mechanism of the windscreen wiper has the advantages of being convenient and simple to manufacture and easy to realize, and has the defects of large occupied space and easy damage, and the rocking bars connected with a motor need to do cyclic reciprocating motion, so that the movement envelope space is larger, and more arrangement space can be occupied.

Disclosure of Invention

The utility model provides a windscreen wiper transmission device which aims to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a wiper transmission, includes the motor support, install permanent magnet direct current motor and connecting pipe on the motor support respectively, and install main crank on permanent magnet direct current motor's the output shaft, install the main bulb of connecting on the main crank, and be connected with first connecting rod and second connecting rod respectively through the main bulb of connecting, the bulb is connected to the side all is installed to the other end of first connecting rod and second connecting rod, and all installs the side crank through the side bulb of connecting, the bracket is installed at the both ends of connecting pipe, and installs the pivot through the bearing in the bracket, the one end and the side crank of pivot are connected.

Further, a first fixing hole is formed in the motor support, and a first bushing is installed in the first fixing hole.

Further, the permanent magnet direct current motor is provided with a connector female seat, and the connector female seat is electrically connected with the permanent magnet direct current motor.

Further, the shaft hole is formed in the shaft support, and the rotating shaft is assembled in the shaft hole through a bearing.

Further, a second fixing hole is formed in the shaft bracket, and a second bushing is arranged in the second fixing hole.

Further, the lower end of the rotating shaft extends to the lower portion of the support shaft frame, and the support shaft frame is provided with a water leakage cover.

Compared with the prior art, the utility model provides the wiper transmission device which has the following beneficial effects:

according to the windscreen wiper transmission device, the motor drives the main crank to do circular motion around the main crank, and drives the connecting rods on two sides to link the side cranks to deflect, so that the rotating shaft does periodic motion along with the motion of the side cranks, and the windscreen wiper arm fixed on the rotating shaft is driven to do reciprocating motion.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a reverse view of the present utility model;

fig. 3 is a split view of the present utility model.

In the figure: 1. a motor bracket; 2. a permanent magnet direct current motor; 3. a connecting pipe; 4. a main crank; 5. a main connecting ball head; 6. a first link; 7. a second link; 8. the side is connected with a ball head; 9. a side crank; 10. a shaft bracket; 11. a rotating shaft; 12. a first fixing hole; 13. a first bushing; 14. a connector female base; 15. a shaft hole; 16. a second fixing hole; 17. a second bushing; 18. a water leakage cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model discloses a wiper transmission device, which comprises a motor bracket 1, wherein a permanent magnet direct current motor 2 and a connecting pipe 3 are respectively installed on the motor bracket 1, a main crank 4 is installed on an output shaft of the permanent magnet direct current motor 2, a main connecting ball head 5 is installed on the main crank 4, a first connecting rod 6 and a second connecting rod 7 are respectively connected through the main connecting ball head 5, a side connecting ball head 8 is installed at the other ends of the first connecting rod 6 and the second connecting rod 7, side cranks 9 are respectively installed through the side connecting ball heads 8, a shaft bracket 10 is installed at two ends of the connecting pipe 3, a rotating shaft 11 is installed in the shaft bracket 10 through a bearing, one end of the rotating shaft 11 is connected with the side cranks 9, the motor drives the main crank 4 to do circular motion around the main crank, and drives the connecting rods at two sides to link the side cranks 9 to deflect, so that the rotating shaft 11 does periodic motion along with the movement of the side cranks 9, and the wiper arm fixed on the rotating shaft 11 reciprocates.

Specifically, the motor bracket 1 is provided with a first fixing hole 12, and a first bushing 13 is installed in the first fixing hole 12.

In this embodiment, the first fixing hole 12 is a mounting structure for fixing the motor bracket 1 at the arrangement position by a bolt, and the first bushing 13 is used for reducing vibration and noise caused by operation of the wiper assembly.

Specifically, the permanent magnet direct current motor 2 is provided with a connector female seat 14, and the connector female seat 14 is electrically connected with the permanent magnet direct current motor 2.

In this embodiment, the connector socket 14 plays a role of opening a circuit between the electronic device and the electric appliance and switching on a current, thereby supplying power to the permanent magnet direct current motor 2.

Specifically, the shaft support 10 is provided with a shaft hole 15, and the rotating shaft 11 is assembled in the shaft hole 15 through a bearing.

In this embodiment, the shaft hole 15 is an assembly structure for mounting the rotary shaft 11.

Specifically, the shaft bracket 10 is provided with a second fixing hole 16, and a second bushing 17 is installed in the second fixing hole 16.

In this embodiment, the second fixing holes 16 are used to fix both ends of the connection pipe 3 to the arrangement positions by bolts, and the second bushings 17 are used to reduce vibration and noise caused by the operation of the wiper assembly.

Specifically, the lower end of the rotating shaft 11 extends below the shaft bracket 10, and a water leakage cover 18 is installed on the shaft bracket 10.

In this embodiment, the water leakage cover 18 is used to prevent rainwater from flowing onto the side crank 9 and the connecting rod, and to prevent the side crank 9 and the connecting rod from being rusted.

When the novel windscreen wiper is used, the motor drives the main crank 4 to do circular motion around the main crank, and drives the connecting rods on two sides to link the side crank 9 to deflect, so that the rotating shaft 11 does periodic motion along with the motion of the side crank 9, and the windscreen wiper arm fixed on the rotating shaft 11 is driven to do reciprocating motion.

In summary, according to the wiper transmission device, the motor drives the main crank 4 to do circular motion around the main crank, and drives the connecting rods on two sides to link the side crank 9 to deflect, so that the rotating shaft 11 does periodic motion along with the motion of the side crank 9, and the wiper arm fixed on the rotating shaft 11 is driven to reciprocate.

Although embodiments of the present utility model 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 therein 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 transmission, includes motor support (1), its characterized in that: the motor support (1) is provided with a permanent magnet direct current motor (2) and a connecting pipe (3) respectively, an output shaft of the permanent magnet direct current motor (2) is provided with a main crank (4), the main crank (4) is provided with a main connecting ball head (5), the main connecting ball head (5) is respectively connected with a first connecting rod (6) and a second connecting rod (7), the other ends of the first connecting rod (6) and the second connecting rod (7) are respectively provided with a side connecting ball head (8), the side connecting ball heads (8) are respectively provided with a side crank (9), two ends of the connecting pipe (3) are provided with a shaft bracket (10), a rotating shaft (11) is arranged in the shaft bracket (10) through a bearing, and one end of the rotating shaft (11) is connected with the side crank (9).

2. A wiper drive as defined in claim 1, wherein: the motor bracket (1) is provided with a first fixing hole (12), and a first bushing (13) is arranged in the first fixing hole (12).

3. A wiper drive as defined in claim 1, wherein: the permanent magnet direct current motor (2) is provided with a connector female seat (14), and the connector female seat (14) is electrically connected with the permanent magnet direct current motor (2).

4. A wiper drive as defined in claim 1, wherein: the shaft support (10) is provided with a shaft hole (15), and the rotating shaft (11) is assembled in the shaft hole (15) through a bearing.

5. A wiper drive as defined in claim 1, wherein: the bracket (10) is provided with a second fixing hole (16), and a second bushing (17) is arranged in the second fixing hole (16).

6. A wiper drive as defined in claim 1, wherein: the lower end of the rotating shaft (11) extends to the lower part of the support shaft bracket (10), and a water leakage cover (18) is arranged on the support shaft bracket (10).