KR101230832B1

KR101230832B1 - Rear wiper motor

Info

Publication number: KR101230832B1
Application number: KR1020100111455A
Authority: KR
Inventors: 김한영; 공낙경; 조후택; 김충열; 오영섭; 주태훈
Original assignee: 현대자동차주식회사; 동양기전 주식회사; 기아자동차주식회사
Priority date: 2010-11-10
Filing date: 2010-11-10
Publication date: 2013-02-07
Also published as: KR20120050107A

Abstract

The washer fluid transfer pipe 32 inserted into the pivot shaft 31 is directly connected to the check valve 35 or the washer fluid transfer pipe 32 into which one end of the check valve 35 is inserted into the pivot shaft 31. A rear wiper motor is introduced, which is composed of an insert molded structure at one end of the assembly, thereby reducing assembly time and improving assembly performance. The rear wiper motor includes a pivot shaft 31 having a hollow formed therein, a washer fluid transfer pipe 32 installed inside the pivot shaft 31 to transfer washer fluid, and one end of the washer fluid transfer pipe 32. A motor cover 34 having a nozzle 33 connected to and installed at an end of the pivot shaft 31, a hole 34a through which the other end of the washer fluid transfer pipe 32 passes, and the motor cover 34. Installed in the washer has a configuration including a check valve 35 that is directly connected with the liquid transfer pipe (32).

Description

Rear Wiper Motors {REAR WIPER MOTOR}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rear wiper motor, and more particularly, to a rear wiper motor capable of reducing assembly labor and improving assembly performance by simplifying a structure and simplifying an assembly process.

In general, the vehicle wiper device is for removing dirt from the glass and securing a watch in the rain. The rotational motion generated from the wiper motor is transmitted to the wiper arm through the wiper linkage system, and the wiper blade makes the wiper blade predetermined wiping. It is designed to wipe glass by reciprocating left and right in the section.

Such wiper devices are mostly wipers for wiping windshield glass, but in the case of vans or wagon-type cars, rear wiper devices for wiping the tail gate glass (or rear glass) are also provided.

In general, the wiper device is driven by the rotational force of the wiper motor. In the rear wiper device, the rear wiper motor is mounted on the tailgate glass by a separate bracket, and a pivot shaft through which the output of the motor rotational force is output passes through the tailgate glass. It is engaged with the arm head outside the glass.

On the other hand, in recent years, the type of the rear wiper motor is equipped with a washer fluid delivery pipe and a nozzle for injecting the washer fluid is mainly used, Figure 1 shows an example of a conventional rear wiper motor with a washer fluid delivery pipe and a nozzle.

In the conventional rear wiper motor 1 shown in FIG. 1, a hollow is formed inside the pivot shaft 11, and a washer fluid transfer pipe 12 is inserted into the hollow, and at one end of the washer fluid transfer pipe 12. The nozzle 13 for spraying the washer liquid is connected, and the other end of the washer liquid transfer pipe 12 is connected with a rubber hose 16 connected with the check valve 15. In addition, between the rubber hose 16 and the motor cover 14 at the lower end of the rear wiper motor 1, an accessory material 17 fitted to the motor cover 14 is provided.

On the other hand, Figure 2 shows another example of a conventional rear wiper motor provided with a washer liquid transfer pipe and a nozzle for spraying the washer liquid. The conventional rear wiper motor 2 shown in FIG. 2 is a case in which an assembly material 17 is removed from the conventional rear wiper motor 1 shown in FIG. A hollow is formed in the inside thereof, and a washer fluid transfer pipe 22 is inserted into the hollow, and a nozzle 23 for spraying washer fluid is connected to one end of the pipe 22, and a check valve is connected to the other end of the pipe 22. The rubber hose 26 connected with the 25 is directly connected.

However, in the above-described conventional techniques, the rubber hoses 16 and 26 are separately installed between the check valves 15 and 25 and the pipes 12 and 22, thereby increasing the number of assembly operations and degrading assembly.

The present invention has been proposed to solve the above problems, the structure in which the washer fluid feed pipe inserted into the pivot shaft is directly connected to the check valve or one end of the washer fluid feed pipe inserted into the pivot shaft. It is an object of the present invention to provide a rear wiper motor which is composed of an insert-molded structure, which can reduce assembly labor and improve assembly.

Rear wiper motor according to an embodiment of the present invention for achieving the above object is a pivot shaft having a hollow formed therein, a washer fluid transfer pipe is installed in the pivot shaft to transfer the washer fluid, and the washer fluid transfer pipe A nozzle connected to one end and installed at an end of the pivot shaft, a motor cover having a hole through which the other end of the washer fluid transfer pipe passes, and a check valve installed at the motor cover and directly connected to the washer fluid transfer pipe. It is characterized by.

The check valve includes a coupling part fitted into a hole formed in the motor cover, a transfer pipe connection part directly connected to the other end of the washer fluid transfer pipe, and a rubber hose connection part to which a rubber hose for supplying a washer fluid to the check valve is connected. It is preferable to include.

A rear wiper motor according to another embodiment of the present invention for achieving the above object is a pivot shaft having a hollow formed therein, a washer fluid conveying tube installed in the pivot shaft to convey washer fluid, and the washer liquid conveying tube. A nozzle connected to one end of the pivot shaft and installed at an end of the pivot shaft, a motor cover having a hole through which the other end of the washer fluid transfer pipe passes, and a check valve installed in the hole of the motor cover. The insert is molded in the other end of the washer fluid transfer pipe is characterized in that it is formed integrally with the washer fluid transfer pipe.

The check valve includes a coupling part fitted into a hole formed in the motor cover, a transfer pipe connection part inserted into the other end of the washer fluid transfer pipe, and a rubber hose connection part to which a rubber hose for supplying a washer fluid to the check valve is connected. It is preferable to include.

According to the rear wiper motor as described above, the washer fluid feed pipe inserted into the pivot shaft is directly connected to the check valve, or one end of the check valve is inserted molded into one end of the washer fluid feed pipe inserted into the pivot shaft. It is possible to reduce the assembly labor and improve the assembly.

1 is a view showing an example of a conventional rear wiper motor.
2 is a view showing another example of a conventional rear wiper motor.
3 is a view showing a rear wiper motor according to an embodiment of the present invention.
4 is a view showing a coupling relationship of the main components applied to the rear wiper motor according to an embodiment of the present invention.
5 is a view showing a coupling relationship of main components applied to the rear wiper motor according to another embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The objectives, specific advantages and novel features of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG. In describing the present invention, in the case where it is determined that the detailed description of the related known technology may unnecessarily obscure the subject matter of the present invention, the detailed description is omitted, and the same reference numerals are used for the configuration having the same function.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 and 4, the rear wiper motor 2 according to an embodiment of the present invention is mounted on the tail gate glass of the vehicle by a separate bracket, the pivot shaft 31 and the washer fluid transfer pipe ( 32, a nozzle 33, a motor cover 34, and a check valve 35.

The pivot shaft 31 is a member that transmits the output of the motor to the wiper arm, and a hollow in which the washer fluid transfer pipe 32 is located is formed therein.

The washer liquid transfer pipe 32 is installed inside the pivot shaft 31 to transfer the washer liquid to the nozzle 33.

The motor cover 34 is positioned at the lower end of the rear wiper motor 2 and has a hole 34a through which the other end of the washer liquid transfer pipe 32 passes.

The check valve 35 is provided to prevent the washer fluid in the washer fluid transfer pipe 32 from flowing backward in a direction opposite to the nozzle 33 side. The check valve 35 is installed on the motor cover 34 to provide the washer fluid transfer pipe. Directly connected to 32.

Here, the check valve 35 and the coupling portion (35a) is fitted to the hole (34a) formed in the motor cover 34, and the connecting portion (35b) directly connected to the other end of the washer fluid transfer pipe (32); , The connection part 35c to which the rubber hose 36 for supplying the washer fluid to the check valve 35 is connected.

The rear wiper motor 2 according to the embodiment of the present invention configured as described above does not require a separate connecting member between the check valve 35 and the washer liquid transfer pipe 32, thereby reducing the number of assembly operations and improving the assemblability. Can achieve the effect of.

On the other hand, Figure 5 shows a rear wiper motor according to another embodiment of the present invention, the final assembly state of the rear wiper motor according to another embodiment of the present invention is a rear wiper motor according to an embodiment of the present invention described above ( It is the same as FIG. 3 which shows 2).

However, the rear wiper motor according to another embodiment of the present invention has a difference in that the check valve 35 is insert molded at the other end of the washer fluid delivery pipe 32 so as to be integrally formed with the washer fluid delivery pipe 32. .

Hereinafter, a detailed configuration of the rear wiper motor according to another embodiment of the present invention will be described in detail.

Referring to FIG. 5, but partially referring to FIG. 3, a rear wiper motor according to another embodiment of the present invention may include a pivot shaft 31 having a hollow formed therein, and a washer liquid installed inside the pivot shaft 31. Washer fluid transfer pipe 32 for transferring the water, a nozzle 33 connected to one end of the washer fluid transfer pipe 32 and installed at the end of the pivot shaft 31, and the other end of the washer fluid transfer pipe 32 And a check valve 35 provided in the hole 34a of the motor cover 34, and the check valve 35 includes the washer liquid transfer pipe ( The insert is molded at the other end of the 32 and is integrally formed with the washer fluid transfer pipe 32.

Here, the check valve 35 is made of the same configuration as the check valve 35 of the rear wiper motor 2 according to the embodiment of the present invention, except for the washer fluid transfer pipe 32 formed integrally. That is, the check valve 35 is coupled to the coupling portion (35a) that is fitted to the hole (34a) formed in the motor cover 34, and the connecting portion (35b) that is insert-molded at the other end of the washer fluid transfer pipe (32); , The connection part 35c to which the rubber hose 36 for supplying the washer fluid to the check valve 35 is connected.

The rear wiper motor according to another embodiment of the present invention configured as described above does not require a separate connecting member between the check valve 35 and the washer liquid transfer pipe 32, and the check valve 35 and the washer liquid transfer pipe 32 ) Is integrally formed so that the effect of reducing the number of assembly operations and the assemblability can be further improved.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It is to be understood that the invention may be variously modified and changed.

31: Pivot Shaft 32: Washer Fluid Transfer Tube
33: nozzle 34: motor cover
35 check valve 35a coupling portion
35b: transfer pipe connection 35c: rubber hose connection

Claims

A pivot shaft 31 having a hollow formed therein;
A washer fluid transfer pipe (32) installed inside the pivot shaft (31) to transfer washer fluid;
A nozzle 33 connected to one end of the washer liquid transfer pipe 32 and installed at an end of the pivot shaft 31;
A motor cover 34 having a hole 34a through which the other end of the washer fluid transfer pipe 32 penetrates; And
A check valve 35 installed on the motor cover 34 and directly connected to the washer fluid transfer pipe 32;
The check valve 35 is coupled to the coupling portion (35a) is fitted into the hole (34a) formed in the motor cover 34, and the transfer pipe connecting portion (35b) directly connected to the other end of the washer liquid transfer pipe (32) And a rubber hose connecting portion (35c) to which a rubber hose (36) for supplying washer fluid to the check valve (35) is connected.

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A pivot shaft 31 having a hollow formed therein;
A washer fluid transfer pipe (32) installed inside the pivot shaft (31) to transfer washer fluid;
A nozzle 33 connected to one end of the washer liquid transfer pipe 32 and installed at an end of the pivot shaft 31;
A motor cover 34 having a hole 34a through which the other end of the washer fluid transfer pipe 32 penetrates; And
A check valve (35) installed in the hole (34a) of the motor cover (34);
The check valve (35) is insert molded at the other end of the washer liquid feed pipe (32) to be integrally formed with the washer fluid feed pipe (32);
The check valve 35 is coupled to the coupling portion (35a) is fitted into the hole (34a) formed in the motor cover 34, and the feed pipe connection portion (35b) which is insert-molded at the other end of the washer fluid transfer pipe (32) And a rubber hose connecting portion (35c) to which a rubber hose (36) for supplying washer fluid to the check valve (35) is connected.

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