CN218287678U

CN218287678U - Wiper fixing lug

Info

Publication number: CN218287678U
Application number: CN202222603436.2U
Authority: CN
Inventors: 周洪宪; 岳如意
Original assignee: Wenling Oushang Auto Parts Co ltd
Current assignee: Wenling Oushang Auto Parts Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-01-13
Anticipated expiration: 2032-09-29

Abstract

The utility model provides a wiper fixing lug, which comprises a body, wherein the body comprises a base connecting part, an inclined plane transition part and a rocker connecting part which are connected in sequence, an open base connecting hole is formed in the base connecting part and used for fixing the body on a base plate, the rocker connecting part is provided with a rocker connecting hole, a rolling bearing is embedded in the rocker connecting hole, a connecting shaft is embedded in the rolling bearing, the friction force between the connecting shaft and the connecting hole is eliminated through the rolling bearing, the friction force caused by rotation is transferred to the bearing, and the abrasion is reduced; the side wall of the connecting shaft is provided with a boss, and the boss is tightly attached to the inner ring of the rolling bearing, so that the fixed plate is prevented from propping against the outer ring of the rolling bearing to prevent the bearing from rotating; the side wall of the connecting shaft is connected with a fixing block through a screw, and a cavity for fixing the connecting plate is formed between the fixing block and the boss.

Description

Wiper fixing lug

Technical Field

The utility model relates to an automobile windscreen wiper, in particular to a fixed ear of windscreen wiper.

Background

At present, chinese patent No. CN202593457U discloses a link mechanism assembly of a wiper blade, which includes a support, a wiper arm shaft and a connecting plate. The support includes pedestal and fixed ear, run through on the pedestal and be provided with the shaft hole, the one end fixed connection of fixed ear in the pedestal, the keyhole has been seted up to the other end of fixed ear. The scraping arm shaft is arranged in the shaft hole, is in running fit with the support and is axially limited and fixed in a two-way mode. One end of the connecting plate is connected with the scraping arm shaft and rotates for limiting, and the other end of the connecting plate is provided with a hinge structure for connecting a connecting rod. However, in the use process of the link mechanism assembly of the wiper, the wiper arm shaft and the seat body frequently rotate, so that the seat body is easily abraded, and the service life of the link mechanism assembly of the wiper is greatly influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a wiper fixing lug, which has the advantages of being not easy to wear and having a long service life.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a fixed ear of wiper, includes the body, the body is including the base connecting portion, inclined plane transition portion, the rocker connecting portion that connect gradually, open-ended base connecting hole has been seted up on the base connecting portion, the rocker connecting hole has been seted up to the rocker connecting portion, the embedded antifriction bearing that is equipped with of rocker connecting hole, the embedded connecting axle that is equipped with of antifriction bearing, the lateral wall department of connecting axle is equipped with the boss, the boss is hugged closely with the antifriction bearing inner circle, the lateral wall department screwed connection of connecting axle has the fixed block, the fixed block with be formed with the cavity that is used for fixed rocker between the boss.

Through above-mentioned technical means, connect rocker connecting portion and connecting axle through antifriction bearing, be fixed in the connecting axle with the connecting plate on through the fixed block for reduce the wearing and tearing between connecting plate and the body. The boss has been seted up to the connecting axle lateral wall, and the boss is used for withstanding antifriction bearing inner race, thereby prevents that the fixed plate from withstanding the antifriction bearing outer lane and leading to the unable rotation of bearing.

Preferably, the fixing block comprises a fixing part and a limiting part, the fixing part is connected with the fixing part of the connecting shaft through a screw, the limiting part is fixedly connected with the side wall of the fixing part, and the limiting part is used for fixing the fixing plate on the boss in a pressing mode.

Through the technical means, the fixing block is fixed on the connecting shaft through the fixing part, and the axial rotation and the axial sliding of the fixing plate are limited through the limiting part.

Preferably, the fixing portion is provided with a waist-shaped hole in a penetrating manner, the head of the screw abuts against the fixing portion, and the thread section of the screw penetrates through the waist-shaped hole and is in threaded connection with the connecting shaft.

Through the technical means, the waist-shaped hole is arranged in the fixing portion in a penetrating mode, so that the fixing position of the fixing block can be adjusted when the connecting plate is compressed, the requirement for the thickness of the connecting plate when the connecting plate is replaced is lowered, the machining precision is lowered, and the cost is reduced.

Preferably, a key groove is formed in the side wall of the connecting shaft, and the fixing block is connected to the key groove in a sliding mode.

Through the technical means, the key groove is formed in the side wall of the connecting shaft, so that the motion track of the fixing block is limited, and the axial rotation of the connecting plate is better limited.

Preferably, the base connecting part is provided with a plurality of convex patterns which are uniformly distributed along the circumferential direction of the base connecting hole.

Through above-mentioned technical means, make nut and pedestal connection portion surface be the point face contact through the burr, strengthen the frictional force on pedestal connection portion surface, the not hard up risk of nut when reducing vibrations.

Preferably, the inclined plane transition part is provided with a concave groove.

Through the technical means, the strength of the inclined plane transition part is enhanced through the concave formed groove, so that the inclined plane transition part is not easy to bend.

Preferably, a flanging edge is arranged around the body.

Through the technical scheme, the overall strength of the body is enhanced through the turnover halves around the body, so that the body is not easy to bend.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic diagram of a side view of the embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural view of the fixing block.

Reference numerals: 1. a body; 11. a base connection portion; 111. a base connection hole; 112. a relief pattern; 12. a bevel transition section; 121. a groove; 13. a rocker connecting part; 131. a rocker connecting hole; 132. a rolling bearing; 133. a connecting shaft; 134. a boss; 135. a keyway; 136. a fixed block; 1361. a fixed part; 1362. a limiting part; 1363. a kidney-shaped hole; 137. a cavity; 4. folding edges; 5. a connecting plate; 6. a base plate.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so as to make the technical solutions of the present invention easier to understand and grasp.

A wiper fixing lug is shown in figures 1 to 4 and comprises a body 1, wherein the body 1 comprises a base connecting part 11, an inclined plane transition part 12 and a rocker connecting part 13 which are sequentially connected, an open base connecting hole 111 is formed in the base connecting part 11 and used for fixing the body 1 on a base plate 6, a rocker connecting hole 131 is formed in the rocker connecting part 13, a rolling bearing 132 is embedded in the rocker connecting hole 131, a connecting shaft 133 is embedded in the rolling bearing 132, the friction force between the connecting shaft 133 and the connecting hole is eliminated through the rolling bearing 132, and the friction force caused by rotation is transferred to a bearing, so that the abrasion is reduced; a boss 134 is arranged on the side wall of the connecting shaft 133, and the boss 134 is tightly attached to the inner ring of the rolling bearing 132 to prevent the fixing plate from propping against the outer ring of the rolling bearing 132 to prevent the bearing from rotating; a fixing block 136 is screwed to the side wall of the connecting shaft 133, and a cavity 137 for fixing the connecting plate 5 is formed between the fixing block 136 and the boss 134.

The fixing block 136 includes a fixing portion 1361 and a limiting portion 1362, the fixing portion is connected to the connecting shaft 133 by a screw, so as to fix the fixing block 136 on the connecting shaft 133, the limiting portion 1362 is fixedly connected to a side wall of the fixing portion 1361, the limiting portion 1362 is used to press-fix the fixing plate to the boss 134, and the limiting portion 1362 is used to limit the axial rotation and the axial sliding of the fixing plate.

The side wall of the connecting shaft 133 is provided with a key groove 135, and the fixing block 136 is connected to the key groove 135 in a sliding manner to limit the movement track of the fixing block 136 and better limit the axial rotation of the connecting plate 5.

The fixing portion 1361 is provided with a kidney-shaped hole 1363 in a penetrating manner, the head of the screw is abutted against the fixing portion 1361, and the thread section of the screw penetrates through the kidney-shaped hole 1363 and is in threaded connection with the connecting shaft 133, so that the fixing position of the fixing block 136 can be adjusted when the connecting plate 5 is pressed tightly, the requirement on the thickness of the connecting plate 5 is reduced when the connecting plate 5 is replaced, the processing precision is reduced, and the cost is reduced.

Be equipped with a plurality of ribs 112 on the base connecting portion 11, and a plurality of ribs 112 are along the circumference evenly distributed of base connecting hole 111, make nut and base connecting portion 11 surface be point face contact through rib 112, strengthen the surperficial frictional force of base connecting portion 11, the not hard up risk of nut when reducing vibrations.

The inclined plane transition part 12 is provided with a concave groove 121, and the strength of the inclined plane transition part 12 is enhanced through the concave groove 121, so that the inclined plane transition part 12 is not easy to bend.

The body 1 is provided with the flanging edge 4 around, and the overall strength of the body 1 is enhanced through the flanging edge 4 around the body 1, so that the body 1 is not easy to bend.

Of course, the above is only the typical example of the present invention, in addition, the present invention can also have other multiple specific embodiments, and all the technical solutions formed by adopting equivalent replacement or equivalent transformation all fall within the scope of the present invention.

Claims

1. The utility model provides a fixed ear of wiper, includes body (1), characterized by: the body (1) comprises a base connecting part (11), an inclined plane transition part (12) and a rocker connecting part (13) which are sequentially connected, wherein the base connecting part (11) is provided with an open base connecting hole (111) for fixing the body (1) on a base plate (6); rocker connecting hole (131) have been seted up in rocker connecting portion (13), rocker connecting hole (131) are embedded to be equipped with antifriction bearing (132), antifriction bearing (132) are embedded to be equipped with connecting axle (133), the lateral wall department of connecting axle (133) is equipped with boss (134), boss (134) and antifriction bearing (132) inner circle are hugged closely, the lateral wall department screwed connection of connecting axle (133) has fixed block (136), fixed block (136) with be formed with cavity (137) that are used for fixed connection board (5) between boss (134).

2. The wiper blade mounting lug of claim 1, further comprising: the fixing block (136) comprises a fixing portion (1361) connected with the connecting shaft (133) through a screw and a limiting portion (1362) fixedly connected with the side wall of the fixing portion (1361), and the limiting portion (1362) is used for compressing and fixing the connecting plate (5) on the boss (134).

3. The wiper blade mounting lug of claim 2, wherein: the fixing portion (1361) is provided with a kidney-shaped hole (1363) in a penetrating mode, the head of the screw is tightly abutted to the fixing portion (1361), and the thread section of the screw penetrates through the kidney-shaped hole (1363) and is in threaded connection with the connecting shaft (133).

4. The wiper blade mounting lug of claim 1, further comprising: the side wall of the connecting shaft (133) is provided with a key groove (135), and the fixing block (136) is connected to the key groove (135) in a sliding manner.

5. The wiper blade mounting lug of claim 1, further comprising: the base connecting part (11) is provided with a plurality of convex patterns (112), and the convex patterns (112) are uniformly distributed along the circumferential direction of the base connecting hole (111).

6. The wiper blade mounting lug of claim 1, wherein: the inclined plane transition part (12) is provided with a concave groove (121).

7. The wiper blade mounting lug of claim 1, further comprising: and a flanging edge (4) is arranged around the body (1).