CN217294461U

CN217294461U - Sealed windshield wiper with end plug structure

Info

Publication number: CN217294461U
Application number: CN202220539968.1U
Authority: CN
Inventors: 张哲玮; 杨证凯; 张傳枝
Original assignee: Danyang UPC Auto Parts Co Ltd
Current assignee: Danyang UPC Auto Parts Co Ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-08-26
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses a canned type windshield wiper of end plug structure, include the lock joint seat, bear seat, shell fragment, waterproof cover seat, rubber strip group and a pair of end plug group. The bearing seat is combined at the bottom side of the buckling seat. The spring pieces penetrate through the bearing seat and extend to two sides of the bearing seat. The waterproof sleeve seat comprises a sleeve shell, an internal connection space arranged in the sleeve shell and an external connection space formed outside the sleeve shell, and the bearing seat is arranged in the internal connection space in a penetrating mode. The rubber strip group is arranged in the external space in a penetrating way and is exposed outside the waterproof sleeve seat. The pair of end plug sets are arranged at two ends of the casing and seal the internal connection space, so as to form the sealed windshield wiper.

Description

Sealed windshield wiper with end plug structure

Technical Field

The present invention relates to a windshield wiper structure, and more particularly to a waterproof windshield wiper.

Background

The automobile windshield wiper is arranged on the outer side surface of the automobile glass and connected with the windshield wiper driving arm, and the windshield wiper driving arm applies acting force to the windshield wiper and drives the windshield wiper to repeatedly swing on the glass surface so as to scrape off foreign objects such as rainwater or stains on the glass.

In addition, the general windshield wiper structure mainly includes a buckling seat, a metal elastic sheet, a wind deflector and a windshield wiper rubber strip. The buckling seat is combined with the metal elastic sheet and the windshield wiper adhesive tape, the air guide sleeve is installed at the top of the buckling seat and connected with the windshield wiper driving arm, and the windshield wiper adhesive tape is driven to move through the windshield wiper driving arm so as to clean the glass surface of the automobile.

However, the combination between the air guide sleeve and the metal elastic sheet in the windshield wiper structure is not sealed, and rainwater easily permeates into and infiltrates into the metal elastic sheet from two sides of the air guide sleeve, so that the metal elastic sheet is easily corroded to shorten the service life. Particularly, when the metal elastic sheet is used in an ice-cold environment, the metal elastic sheet may lose its original elastic force due to freezing, and thus further improvement is required.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a sealed wiper with an end plug structure, which is assembled at two ends of the casing and keeps the sealing performance of the assembly structure inside the wiper, so as to maintain the elastic pressing force of the metal elastic sheet and prolong the service life of the wiper.

To achieve the above object, the present invention provides a sealed wiper with an end plug structure, which comprises a fastening seat, a carrying seat, a resilient piece, a waterproof sleeve seat and a pair of end plug sets. The bearing seat is combined at the bottom side of the buckling seat. The spring pieces penetrate through the bearing seat and extend to two sides of the bearing seat. The waterproof sleeve seat comprises a sleeve shell, an internal connection space arranged in the sleeve shell and an external connection space formed outside the sleeve shell, and the bearing seat is arranged in the internal connection space in a penetrating mode. The rubber strip group is arranged in the external space in a penetrating way and is exposed outside the waterproof sleeve seat. The end plug sets are arranged at two ends of the casing and seal the inscribed space.

Wherein, it further includes a fixed seat, the fixed seat is combined on the fastening seat, the fixed seat covers the fastening seat and bears one end of a wiper driving arm.

Wherein, it further comprises a clamping base, the clamping base is provided with a pair of through holes; and the bearing seat comprises a bearing plate and a bearing frame connected with the bearing plate, and the two sides of the bearing plate are respectively penetrated with the through hole.

Wherein, the bearing frame is composed of a plurality of claws arranged oppositely.

The casing comprises a top wall attached to the buckling seat, an inner bottom wall opposite to the top wall and attached to the bearing plate, and two side walls connecting the top wall and the inner bottom wall, wherein the thickness of the top wall is larger than that of the two side walls.

The locking piece sequentially penetrates through the buckling seat, the top wall, the elastic sheet, the bearing plate and the inner bottom wall.

Wherein, the internal connection space and the external connection space are respectively U-shaped, and one side of the external connection space is an opening.

The rubber strip group comprises a penetrating strip and a scraping strip connected with the penetrating strip, the penetrating strip is penetrated in the external space, and the scraping strip is exposed outside the waterproof sleeve seat; and the adhesive tape group further comprises a connecting section connected between the penetrating strip and the scraping strip, and the connecting section is vertically arranged in the opening.

Wherein each end plug set comprises an inner end plug and an outer end plug, the inner end plug is bonded on the casing, and the outer end plug is sleeved outside the inner end plug.

The bottom of the inner plug is provided with a convex part, the bottom of the outer plug is correspondingly provided with a concave part, and the outer plug and the inner plug are positioned through the convex part and the concave part.

Compared with the prior art, the sealed windshield wiper with the end plug structure is provided with the waterproof sleeve seat, the elastic sheet penetrates through the bearing seat and is arranged in the internal connecting space of the waterproof sleeve seat in a penetrating way, the end plug group is arranged at two ends of the waterproof sleeve seat and seals the internal connecting space, the inner end plug is bonded on the sleeve shell, and the outer end plug is sleeved on the inner end plug; therefore, the inner connection space can form a closed space, so that the elastic sheet penetrating through the inner connection space can isolate external moisture, the aim of water resistance is fulfilled, and the required elastic force is maintained.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Drawings

Fig. 1 is a schematic perspective view of a sealed windshield wiper with an end plug structure according to the present invention.

Fig. 2 is a schematic exploded perspective view of the sealing wiper with an end plug structure according to the present invention.

Fig. 3 is a schematic combination diagram of the sealed wiper blade combination end plug set with an end plug structure according to the present invention.

Fig. 4 is a schematic diagram of the adhesion of the inner plug of the present invention.

Fig. 5 is a schematic view of the combination of the outer end plug and the inner end plug of the present invention.

Fig. 6 is a cross-sectional view of the sealing wiper with an end plug structure according to the present invention.

Fig. 7 is a combined cross-sectional view of the sealing wiper with an end plug structure according to the present invention.

Wherein, the reference numbers:

1: sealed windshield wiper

2 wiper driving arm

10: fastening seat

15 clamping seat

150 is perforated

20: bearing seat

21 bearing plate

210 through groove

22 bearing frame

220 containing groove

221 claw hook

30 spring plate

40 waterproof sleeve seat

41 casing

411 roof wall

412 inner bottom wall

413 side wall

42 inner connecting space

43 external space

44 opening of the container

50 adhesive tape set

51 threading strip

52 scraping strip

53 connecting segment

60 fixed seat

70 end plug group

701 bonding section

702 joining section

703 convex ribs

71 inner end plug

711 convex part

712 locating groove

713 through hole

72 outer end plug

721 concave part

722 positioning rib

80 locking part

Detailed Description

The detailed description and technical contents of the present invention will be described below with reference to the drawings, however, the attached drawings are only for illustrative purposes and are not intended to limit the present invention.

Please refer to fig. 1 and fig. 2, which are a schematic three-dimensional appearance diagram and a schematic three-dimensional exploded diagram of a sealed windshield wiper with an end plug structure according to the present invention. The utility model provides a canned type windshield wiper 1 of end plug structure for combine a windshield wiper actuating arm 2. The sealed wiper 1 includes a buckling seat 10, a carrying seat 20, a spring sheet 30, a waterproof socket 40, a rubber strip set 50 and a pair of end plug sets 70. The bearing seat 20 is disposed at the bottom side of the fastening seat 10, and is combined with the resilient sheet 30 and the waterproof socket 40. In addition, one end of the rubber strip set 50 is inserted into the waterproof socket 40.

In an embodiment of the present invention, the sealing type windshield wiper 1 further includes a fixing seat 60. The fixing base 60 is combined with the fastening base 10. The fixing base 60 covers the fastening base 10 and supports one end of the wiper driving arm 2.

Specifically, the latch 10 is coupled to the wiper driving arm 2. In addition, the sealing type windshield wiper 1 further comprises a locking seat 15. The latch seat 15 is combined with the bottom side of the fastening seat 10 and has a pair of through holes 150.

The bearing seat 20 is combined on the bottom side of the fastening seat 10. The carrier 20 includes a carrier 21 and a carrier frame 22 connected to the carrier 21. The pair of through holes 150 of the locking seat 15 are respectively formed through two sides of the supporting plate 21, and the supporting plate 21 has a through groove 210. In addition, the carrying frame 22 has a receiving slot 220. In this embodiment, the carriage 22 is composed of a plurality of claws 221 disposed opposite to each other.

In this embodiment, the elastic sheet 30 penetrates through the through groove 210 and extends to two sides of the carrier 20. Preferably, the elastic piece 30 is a metal elastic piece.

The waterproof socket 40 includes a casing 41, an inner space 42 disposed in the casing 41, and an outer space 43 formed outside the casing 41. The carrier 20 is inserted into the inner space 43. Specifically, the inner space 42 and the outer space 43 are U-shaped, and one side of the outer space 43 is an opening 44.

In more detail, the casing 41 includes a top wall 411 attached to the fastening seat 10, an inner bottom wall 412 opposite to the top wall 411 and attached to the supporting plate 21, and two side walls 413 connecting the top wall 411 and the inner bottom wall 412. It should be noted that in the present embodiment, the thickness of the top wall 411 is greater than the thickness of the two side walls 413, so that the waterproof socket 40 can maintain the required structural strength and flexibility, and maintain a good appearance without generating wrinkles. In the present embodiment, the thickness of the top wall 411 is about 0.5mm to 1 mm; the thickness of the sidewall 413 is 0.3mm to 0.6 mm.

Note that the material of the waterproof socket 40 is formed of a polyolefin Thermoplastic elastomer (TPV). The polyolefin thermoplastic elastomer is a stable elastomer formed by mixing Ethylene Propylene Diene Monomer (EPDM) and Polypropylene (PP) through dynamic vulcanization, and has the characteristics of no toxicity, environmental protection, good aging resistance, small change of hardness along with temperature and the like. In addition, TPV does not contain carcinogens such as nitrite and the like, does not contain heavy metal and can be recycled, so that the TPV reaches the sanitation level and passes SGS certification and meets the ROHS specification of the European Union. In addition, the use temperature of the TPV can reach-30 ℃ to 120 ℃, and the admirable-degree hardness change is not higher than 5A in the temperature range of-20 ℃ to 40 ℃, which is superior to that of the traditional materials PVC and EPDM.

It should be noted that the waterproof socket 40 of the present invention is manufactured by extrusion molding (extrusion molding), and has the advantages of high yield, low cost, high yield, etc. because the length and the shape of the waterproof socket are not limited.

Further, the strip set 50 is integrated in the waterproof socket 40. The adhesive tape set 50 includes a penetrating strip 51, a scraping strip 52 connected to the penetrating strip, and a connecting section 53 connected between the penetrating strip 51 and the scraping strip 52. In more detail, the penetrating bar 51 is inserted into the circumscribed space 43. The wiper strip 52 is exposed outside the waterproof socket 40. The connecting section 53 is erected in the opening 44.

Please refer to fig. 3 to fig. 6, which are a combination schematic diagram of the sealed wiper with an end plug structure, an adhesion schematic diagram of the combined inner end plug, a combination schematic diagram of the combined outer end plug and the combined inner end plug, and a cross-sectional view of the sealed wiper with an end plug structure according to the present invention. In this embodiment, the pair of plug sets 70 are disposed at two ends of the jacket 41 and seal the internal space 42.

Specifically, each end plug set 70 includes an inner end plug 71 and an outer end plug 72. The inner end plug 71 is adhered to the housing 41; the outer end plug 72 is fitted over the inner end plug 71. Accordingly, the inner connecting space 42 can form a closed space, so that the elastic sheet 30 penetrating through the inner connecting space 42 can isolate the external moisture, thereby achieving the waterproof purpose.

Furthermore, the inner plug 71 includes an adhesive section 701 inserted into the casing 41, a coupling section 702 protruding outside the casing 41, and a rib 703. The surface of the combining section 702 is higher than the bonding section 701, and the protruding rib 703 is located between the combining section 702 and the bonding section 701, so as to prevent the adhesive from overflowing during the sealing operation. In addition, the rib 703 is provided for positioning the inner plug 71.

As shown in fig. 7, the bottom of the inner end plug 71 has a protrusion 711; in addition, a concave portion 721 is correspondingly disposed at the bottom of the outer end plug 72. In the present embodiment, the inner plug 71 is provided with a plurality of positioning slots 712. The outer end plug 72 is provided with a plurality of positioning ribs 722 corresponding to the positioning grooves 712. When the outer plug 72 is sleeved on the inner plug 71, the positioning ribs 722 are mutually positioned with the positioning grooves 712, thereby increasing the assembling accuracy.

It is noted that the inner end plug 71 is further provided with a through hole 713. The through hole 713 is provided to fill the external space 43 of the waterproof socket 40 and the opening 44 with glue to seal the side of the waterproof socket 40.

Referring to fig. 7, a combined cross-sectional view of the sealed wiper blade with an end plug structure of the present invention is shown. The sealing wiper 1 of the present invention further includes a locking member 80. The locking member 80 sequentially penetrates through the fastening seat 10, the abutting seat 15, the top wall 411 of the waterproof socket 40, the elastic piece 30, the bearing plate 21 of the bearing seat 20 and the inner bottom wall 412 of the waterproof socket 40, so as to combine the fastening seat 10, the abutting seat 15, the bearing seat 20, the elastic piece 30 and the waterproof socket 40.

The above only is the preferred embodiment of the present invention, not for limiting the scope of the present invention, other applications the equivalent changes of the patent spirit of the present invention all belong to the scope of the present invention.

Of course, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it is intended that all such modifications and variations be considered as within the spirit or scope of the appended claims.

Claims

1. A sealed wiper with an end plug structure, comprising:

a fastening seat;

a bearing seat combined at the bottom side of the buckling seat;

the spring piece penetrates through the bearing seat and extends to two sides of the bearing seat;

a waterproof jacket seat, comprising a jacket, an internal connection space arranged in the jacket and an external connection space formed outside the jacket, wherein the bearing seat is arranged in the internal connection space in a penetrating way;

a rubber strip group which is arranged in the external space in a penetrating way and is exposed outside the waterproof sleeve seat; and

a pair of end plug sets assembled at the two ends of the jacket and sealing the inner connection space.

2. The sealed wiper blade with the end plug structure as defined in claim 1, further comprising a fixing base coupled to the fastening base, the fixing base covering the fastening base and supporting an end of a wiper driving arm.

3. The hermetically sealed wiper blade with the end plug structure as defined in claim 1, further comprising a latch seat having a pair of through holes; and

the bearing seat comprises a bearing plate and a bearing frame connected with the bearing plate, and the two sides of the bearing plate are respectively penetrated with the through holes.

4. The sealed wiper blade with the end plug structure according to claim 3, wherein the carrier frame is formed by a plurality of claws arranged oppositely.

5. The sealed wiper blade with the end plug structure as defined in claim 1, wherein said cover member includes a top wall abutting against said snap seat, an inner bottom wall opposing to said top wall and abutting against said carrier plate, and two side walls connecting said top wall and said inner bottom wall, said top wall having a thickness greater than said two side walls.

6. The sealed wiper blade with the end plug structure as defined in claim 5, further comprising a locking member, wherein the locking member is sequentially inserted through the fastening seat, the top wall, the resilient piece, the carrier plate and the inner bottom wall.

7. The sealed wiper blade with the end plug structure as defined in claim 1, wherein the inner space and the outer space are each U-shaped, and one side of the outer space is an opening.

8. The sealed wiper blade with the end plug structure as defined in claim 1, wherein the rubber strip set includes a through strip and a scraping strip connected to the through strip, the through strip is inserted into the external space, and the scraping strip is exposed outside the waterproof socket; and

the adhesive tape set further comprises a connecting section connected between the penetrating strip and the scraping strip, and the connecting section is vertically arranged in the opening.

9. The sealed wiper blade with the end plug structure as defined in claim 1, wherein each end plug set includes an inner end plug bonded to the casing and an outer end plug fitted over the inner end plug.

10. The sealed wiper with the end plug structure according to claim 9, wherein the bottom of the inner plug has a protrusion, the bottom of the outer plug has a corresponding recess, and the outer plug and the inner plug are positioned by the protrusion and the recess.