CN219927649U - Anti-drop windscreen wiper shell fragment subassembly - Google Patents

Abstract

The utility model discloses an anti-falling wiper spring assembly which comprises a spring piece and a spring piece fixing piece, wherein the spring piece consists of two sub-spring pieces with the same structure, the two sub-spring pieces are arranged in a mirror image mode, grooves are formed in two ends of each sub-spring piece, two fixing blocks corresponding to the grooves are convexly arranged at the front end of each spring piece fixing piece, the two fixing blocks can be respectively inserted into the grooves of the two sub-spring pieces, the fixing blocks are fixedly connected with the sub-spring pieces after being inserted into the grooves through overshooting riveting, and the two fixing blocks of the spring piece fixing piece are matched with the grooves of the two sub-spring pieces to fix the two sub-spring pieces together completely after the fixing blocks are riveted.

Description

Anti-drop windscreen wiper shell fragment subassembly

Technical Field

The utility model relates to the field of windscreen wipers, in particular to an anti-falling windscreen wiper spring assembly.

Background

The wiper on the car is mainly used to scrape off ponding on the glass in rainy days, and ordinary wiper is by skeleton to make doctor-bar and glass laminating, because its structural relation, can not make doctor-bar and glass perfect laminating, causes to scrape the problem such as not clean, the doctor-bar is easy to wear, noise is big. The boneless wiper distributes pressure by a whole force guiding strip, so that the stress of each part of the wiper blade is uniform, the generation of water marks and scratches can be reduced, and a better wiping effect is achieved. In addition, the vibration and abrasion can be greatly reduced, and the novel solar energy wiper has the advantages of uniform stress, sun protection, simple structure, lighter weight and the like, and the service lives of the wiper motor and the wiper blade are at least doubled compared with the traditional wiper, so that the novel solar energy wiper is more economical and reliable.

The existing elastic sheet of the boneless wiper is limited and connected by welding or plastic parts, the connecting part or the welding point is easy to age and break after long-time use, jolt road sections and easy falling off of the road sections are encountered, and the cost is high and the production efficiency is low when welding is used.

Disclosure of Invention

Based on this, it is necessary to provide an anti-falling wiper spring assembly to solve the problem that the existing wiper spring assembly is easy to age and fall.

In order to solve the technical problems, the utility model is solved by the following technical scheme:

the utility model provides an anti-drop windscreen wiper shell fragment subassembly, includes shell fragment and shell fragment stationary blade, the shell fragment comprises two components shell fragments that the structure is the same, two divide the shell fragment mirror image setting, divide the shell fragment both ends to set up flutedly, the protruding fixed block that is equipped with two and recess correspondence of shell fragment stationary blade front end, two the fixed block can insert respectively establish in two divide the recess of shell fragment, the fixed block insert establish in the recess after overshooting rivet with divide shell fragment fixed connection.

As a further improvement technical scheme, the groove is an inverted triangle groove, and the fixed block is a triangle fixed block.

As a further improvement technical scheme, an adhesive tape assembling groove for installing adhesive tapes is formed between the two elastic dividing sheets.

As a further improvement technical scheme, the wiper spring assembly further comprises a guide sleeve and a base cover, the spring is arranged on the inner side of the guide sleeve, a base clamping hole is formed in the middle of the base cover, the base cover is clamped on the spring, and the base cover is located between the two guide sleeves.

As a further improvement technical scheme, the side face of the split spring plate is concavely provided with a fixing groove for limiting the guide sleeve to move forwards and backwards.

As a further improvement technical scheme, the adhesive tape loading groove for facilitating the installation of the adhesive tape is concavely arranged at the two ends of the adhesive tape assembling groove outwards.

As a further improvement technical scheme, the upper end face and the lower end face of the fixed block are respectively provided with a clearance groove after punching and riveting.

Compared with the prior art, the utility model has at least the following technical effects:

after the two fixing blocks of the spring piece fixing piece are matched with the grooves of the two sub-spring pieces, the fixing blocks are punched and riveted, so that the triangular fixing blocks are extruded outwards to wrap the sub-spring pieces, the sub-spring pieces are limited to move up and down, the middle of the triangular fixing blocks and the inverted triangular grooves form interference fit, the spring pieces are limited to move back and forth and left and right, the two sub-spring pieces are completely fixed together, the production cost is low, the production efficiency is high, and the fixing is firm and is not easy to age;

the adhesive tape assembly groove is arranged between the two elastic pieces, so that the movement of the adhesive tape can be limited, and the adhesive tape is prevented from falling off;

the fixed groove is arranged on the split spring plate, so that the movement of the guide sleeve can be limited, and the guide sleeve is prevented from falling off;

through with base lid joint on the shell fragment to set up between two water conservancy diversion covers, can restrict the base lid and remove, thereby prevent that the base lid from droing.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following discussion will discuss the embodiments or the drawings required in the description of the prior art, and it is obvious that the technical solutions described in connection with the drawings are only some embodiments of the present utility model, and that other embodiments and drawings thereof can be obtained according to the embodiments shown in the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a partial structure of a spring plate before punching and riveting according to the present utility model.

Fig. 2 is a schematic view of a partial structure of the spring plate after punching and riveting according to the present utility model.

Fig. 3 is a schematic structural diagram of the spring assembly according to the present utility model.

Fig. 4 is a partial schematic view of the assembly of the elastic sheet and the adhesive tape according to the present utility model.

Fig. 5 is a partial schematic view of the assembly of the elastic sheet and the adhesive tape according to the present utility model.

Description of the embodiments

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

The utility model provides an anti-drop windscreen wiper shell fragment subassembly, includes shell fragment and shell fragment stationary blade 2, the shell fragment comprises two branch shell fragments 1 that the structure is the same, two divide shell fragment 1 mirror image setting, divide shell fragment 1 both ends to all set up flutedly, the protruding fixed block that is equipped with two and recess correspondence of shell fragment stationary blade 2 front end, two the fixed block can insert respectively establish two divide in the recess of shell fragment 1, the fixed block inserts and establishes after the riveting of overshooting with divide shell fragment 1 fixed connection in the recess.

Specifically, the shell fragment comprises two branch shell fragments 1, two shell fragment stationary blades 2 are fixed respectively and are divided the front and back both ends of shell fragment 1, that is to say that two shell fragment stationary blades 2 constitute the shell fragment after dividing shell fragment 1 with two, shell fragment stationary blade 2 includes the connecting rod, the connecting rod between two fixed blocks can restrict adhesive tape 8 and outwards remove, prevent that adhesive tape 8 from deviating from, the fixed block can be followed the recess top and inserted, the fixed block is dashed and riveted the fixed block after inserting in the recess, extrude the fixed block and warp, the terminal surface outwards extrudes about the fixed block and will divide shell fragment 1 parcel, form interference fit with the recess in the middle of the fixed block, thereby it reciprocates to restrict branch shell fragment 1.

The groove is an inverted triangle groove 3, and the fixed block is a triangle fixed block 4.

It should be noted that the groove is preferably an inverted triangle groove 3, the groove can also be a rectangular groove or a polygonal groove, the fixing block is preferably a triangle fixing block 4, and the fixing block can also be a rectangular fixing block or a polygonal fixing block, so long as the fixing block does not move back and forth after being inserted into the groove.

An adhesive tape assembling groove 7 for installing an adhesive tape 8 is formed between the two elastic dividing sheets 1.

After the two sub-elastic sheets 1 are fixed together, a certain gap is formed between the two sub-elastic sheets 1, the gap is an adhesive tape assembly groove 7, and the upper part of the adhesive tape 8 can be inserted into the adhesive tape assembly groove 7 from the front and the rear.

The wiper spring assembly further comprises a guide sleeve 9 and a base cover 10, the spring is arranged on the inner side of the guide sleeve 9, a base clamping hole is formed in the middle of the base cover 10, the base cover 10 is clamped on the spring, and the base cover 10 is located between the two guide sleeves 9.

The two flow guiding sleeves 9 are respectively sleeved on the front side and the rear side of the elastic sheet, the base cover 10 is arranged between the two flow guiding sleeves 9, rectangular protruding blocks are arranged at the lower end of the base cover 10, and the base cover 10 can be clamped on the elastic sheet through the rectangular protruding blocks.

The side surface of the sub-elastic sheet 1 is concavely provided with a fixing groove 5 for limiting the guide sleeve 9 to move forwards and backwards.

After the split spring 1 is inserted into the guide sleeve 9, a fixed clamping block or a spring inside the guide sleeve 9 can be inserted into the fixed groove 5, so that the guide sleeve 9 is limited to move forwards and backwards.

The two ends of the adhesive tape assembling groove 7 are concavely provided with adhesive tape loading grooves 6 for facilitating the installation of adhesive tapes 8.

The width of the adhesive tape loading groove 6 is larger than the widths of the adhesive tape assembling groove 7 and the adhesive tape 8, the head of the adhesive tape 8 can be inserted into the adhesive tape assembling groove 7 from the adhesive tape loading groove 6, and then the adhesive tape 8 slides from one end of the adhesive tape assembling groove 7 to the other end, so that the adhesive tape 8 is installed.

The upper end face and the lower end face of the fixed block are both formed with a clearance groove 11 after punching and riveting.

Specifically, the upper end face and the lower end face of the fixed block are respectively provided with an empty avoiding groove 11 after the fixed block is riveted by overshooting, and the empty avoiding grooves 11 can avoid interference with the adhesive tape 8, so that the adhesive tape 8 is convenient to install and use.

During installation, firstly, one spring piece fixing piece 2 is connected with two sub-spring pieces 1, then the other spring piece fixing piece 2 is connected with the two sub-spring pieces 1, then the fixing blocks are punched and riveted, the triangular fixing blocks 4 are extruded outwards to wrap the sub-spring pieces 1, then the adhesive tape 8 is installed in the adhesive tape assembly groove 7, then the base cover 10 is clamped at the middle part of the spring pieces, and finally the spring pieces are inserted into the two diversion sleeves 9;

the elastic sheet fixing piece 2 is made of the materials with the hardness of HRC 20-30, is low in hardness, good in ductility and capable of being extruded and deformed, the elastic sheet is made of the materials with the hardness of HRC 50-60, the hardness is high, the elastic sheet fixing piece is not easy to be extruded and deformed, and the fixing piece is tightly matched with the elastic sheet which is not easy to be deformed after being extruded and deformed, so that falling is effectively prevented.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Claims (7)

1. The utility model provides a fall-off prevention windscreen wiper shell fragment subassembly, its characterized in that includes shell fragment and shell fragment stationary blade, the shell fragment comprises two components shell fragments that the structure is the same, two divide the shell fragment mirror image setting, divide the shell fragment both ends to all set up flutedly, the protruding fixed block that is equipped with two and recess correspondence of shell fragment stationary blade front end, two the fixed block can insert respectively establish two divide in the recess of shell fragment, the fixed block insert establish in the recess after overshooting rivet with divide shell fragment fixed connection.

2. The anti-drop wiper blade assembly as defined in claim 1, wherein the recess is an inverted triangular recess and the fixed block is a triangular fixed block.

3. The anti-drop wiper blade assembly according to claim 2, wherein a strip assembly groove for installing a strip is formed between the two split blades.

4. The anti-drop wiper blade assembly according to claim 3, further comprising a guide sleeve and a base cover, wherein the blade is mounted on the inner side of the guide sleeve, a base clamping hole is formed in the middle of the base cover, the base cover is clamped on the blade, and the base cover is located between the two guide sleeves.

5. The anti-drop wiper blade assembly of claim 4, wherein the split blade is provided with a concave side surface with a fixing groove for limiting the guide sleeve from moving back and forth.

6. The anti-falling wiper spring assembly according to claim 5, wherein the two ends of the adhesive tape assembling groove are provided with adhesive tape loading grooves in an outward concave manner, and the adhesive tape loading grooves are used for facilitating adhesive tape installation.

7. The anti-drop wiper spring assembly according to claim 6, wherein the upper end face and the lower end face of the fixed block are provided with clearance grooves after punching and riveting.