Wiper accessory holder and spring seat connection structure

Abstract

This provides a coupling structure for a wiper accessory holder and a spring seat. [Solution] The coupling structure according to the present invention comprises a metal spring seat 31 and an accessory holder 20. The metal spring seat includes a seat body and a plurality of holes 310 provided in the seat body. The accessory holder comprises a bottom plate, two side plates extending vertically from the bottom plate, and a pivot connected to the two side plates. The bottom plate has a plurality of wing-shaped pieces 211, and a plurality of protrusions 212 are provided on one side facing the metal spring seat. The accessory holder and the metal spring seat are positioned relative to each other by the protrusions and holes, and the accessory holder is coupled to the metal spring seat by bending the plurality of wing-shaped pieces and contacting the side edge of the seat body. The secure coupling between the accessory holder and the spring seat prevents loosening between them.

Description

Technical Field

[0001] The present invention relates to a wiper structure, and more specifically, to a coupling structure of a wiper accessory holder and a spring seat.

Background Art

[0002] A vehicle wiper mainly has a wiper driving arm coupled to an accessory holder, and a metal spring seat and a wiper blade coupled to a bottom side of the accessory holder. In this configuration, the wiper driving arm drives the accessory holder and presses against the metal spring seat and the wiper blade, thereby cleaning the glass of the vehicle.

Summary of the Invention

Problem to be Solved by the Invention

[0003] However, generally, different vehicle models are equipped with different wiper driving arms, and assembly must be performed corresponding to accessory holders for different vehicle models, which causes many inconveniences in assembly and use. In addition, since the accessory holder and the metal spring seat are generally coupled by engagement, they are prone to loosening. Furthermore, when the accessory holder and the metal spring seat are coupled by rivets, deformation is prone to occur during the riveting coupling of the metal spring seat or the accessory holder, resulting in defects in appearance and size.

[0004] Therefore, the present creator considered that the above drawbacks can be improved, and as a result of intensive studies, the present invention, which effectively solves the above problems through rational design, is proposed.

[0005] In view of such conventional circumstances, an object of the present invention is to provide a coupling structure of a wiper accessory holder and a spring seat, which prevents loosening between the accessory holder and the spring seat by reliably coupling the two components.

Means for Solving the Problem

[0006] To achieve the above objective, one aspect of the present invention, a coupling structure for a wiper accessory holder and a spring seat, comprises a metal spring seat and an accessory holder. The metal spring seat includes a seat body and a plurality of holes provided in the seat body. The accessory holder comprises a bottom plate, two side plates extending vertically from the bottom plate, and a pivot connected to the two side plates. The bottom plate has a plurality of wing-shaped pieces, and a plurality of protrusions are provided on one side facing the metal spring seat. The accessory holder and the metal spring seat are positioned relative to each other by the protrusions and holes, and the accessory holder is coupled to the metal spring seat by bending the plurality of wing-shaped pieces so that they abut against the side edges of the seat body.

[0007] In a preferred example of the present invention, the position of each hole is set to correspond to the position of each wing-shaped piece.

[0008] In a preferred example of the present invention, each side plate is provided with an opening groove at a position corresponding to each wing-shaped piece.

[0009] In a preferred example of the present invention, each wing-shaped piece is bent by a press-forming method.

[0010] In a preferred example of the present invention, each side plate comprises a pair of first recesses, a pair of second recesses, a pair of insertion plates, and a plurality of projections. The first and second recesses are positioned to correspond to both sides of a pivot, an insertion plate is formed between each first and second recess, and each projection is provided at one end of each side plate.

[0011] In a preferred example of the present invention, the side plate is provided with a support rib located on one side of the first recess.

[0012] In a preferred example of the present invention, each wing-like piece is positioned to correspond to one side of each first recess.

[0013] In a preferred example of the present invention, each first recess and each second recess are U-shaped notched grooves.

[0014] In a preferred example of the present invention, the base plate comprises a plurality of plates that are installed at intervals from each other.

[0015] In a preferred example of the present invention, the cross-section of each plate is U-shaped. [Effects of the Invention]

[0016] According to this invention, the following effects are obtained. Compared to conventional designs, the metal spring seat of the wiper structure according to this invention is inserted through both sides of the sealing strip and is positioned and clamped by wing-shaped pieces bent by an accessory holder. This provides a wiper structure that is easy to use, has a stable structure, and is highly interchangeable.

[0017] Other objectives, configurations, and effects of this invention will become clear from the following section on embodiments of the invention. [Brief explanation of the drawing]

[0018] [Figure 1] This is an external perspective view showing a wiper assembly structure according to one embodiment of the present invention. [Figure 2] This is a schematic diagram showing an assembly in which a drive arm according to one embodiment of the present invention is joined to an accessory holder. [Figure 3] This is an exploded view showing a wiper assembly structure according to one embodiment of the present invention. [Figure 4] This is an exploded view showing a wiper assembly structure according to one embodiment of the present invention. [Figure 5] This is an exploded view showing an accessory holder and a metal spring seat according to one embodiment of the present invention. [Figure 6] This is a schematic diagram showing the connection between an accessory holder and a metal spring seat according to one embodiment of the present invention. [Figure 7]It is a cross-sectional view showing a combination of a wiper assembly structure according to an embodiment of the present invention. [Figure 8] It is a cross-sectional view showing a combination of a wiper assembly structure according to an embodiment of the present invention. [Figure 9] It is a cross-sectional view showing a combination of a wiper assembly structure according to another embodiment of the present invention. [[MODE FOR CARRYING OUT THE INVENTION]]

[0019] Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited in any way to the following embodiments, and can take various forms as long as they fall within the technical scope of the present invention.

[0020] Figure 1 is an external perspective view showing a wiper assembly structure according to an embodiment of the present invention. Figure 2 is a schematic diagram showing an assembly in which a drive arm according to an embodiment of the present invention is joined to an accessory holder.

[0021] A wiper assembly structure 1 according to the present invention comprises a holder 10, an accessory holder 20, a wiper blade set 30, an exterior trim 40, and a drive arm 50. The accessory holder 20 is coupled into the holder 10. The wiper blade set 30 is coupled to the accessory holder 20. The exterior trim 40 is coupled into the drive arm 50. The drive arm 50 is pivotally attached to the accessory holder 20 via the exterior trim 40, thereby forming the wiper assembly structure 1.

[0022] Figures 3 and 4 are exploded views showing a wiper assembly structure according to one embodiment of the present invention. The holder 10 comprises a housing base 11 and a plurality of slots 12 located at both ends of the housing base 11. The accessory holder 20 comprises a bottom plate 21, two side plates 22 extending vertically from the bottom plate 21, and a pivot 23 connected to the two side plates 22. Each side plate 22 includes a pair of first recesses 24, a pair of second recesses 25, a pair of insertion plates 26, and a pair of projections 27. The pair of first recesses 24 and the pair of second recesses 25 are positioned to correspond to both sides of the pivot 23, and each insertion plate 26 is formed between each first recess 24 and each second recess 25. The pair of projections 27 are also positioned at both ends of each side plate 22. The accessory holder 20 is penetrated through the plurality of slots 12 by the pair of protrusions 27 and is positioned in the housing base 11.

[0023] The point to be explained here is that the holder 10 of the present invention has a plurality of support blocks 111 installed on the periphery of the housing base 11. The housing base 11 is provided with a plurality of compression blocks 112 located on one side of the plurality of slots 12. The side plate 22 of the accessory holder 20 includes a pair of support ribs 241 located on one side of the pair of first recesses 24. The accessory holder 20 is joined to the holder 10 by the projections 27 penetrating the slots 12. In this way, the pair of support ribs 241 abut against the plurality of support blocks 111, and the plurality of compression blocks 112 abut against the plurality of projections 27.

[0024] The wiper blade set 30 is coupled to the bottom side of the accessory holder 20. The exterior trim 40 is fixed to the accessory holder 20. More specifically, the wiper blade set 30 comprises a pair of metal spring seats 31, a sealing strip 32, and a deflector 33. The pair of metal spring seats 31 are fixed to the bottom side of the accessory holder 20. The pair of metal spring seats 31 are passed through the sealing strip 32 and protrude from both sides of the sealing strip 32. The deflector 33 is fitted over the pair of metal spring seats 31 and the sealing strip 32 on one side facing the accessory holder 20.

[0025] Furthermore, the exterior trim 40 includes a base body 41. The base body 41 has a pivot hole 42, and on both sides of the base body 41, there is a pair of through grooves 43 located on both sides of the pivot hole 42, corresponding to the two side plates 22. The pivot 23 is fitted into the pivot hole 42. The pair of insertion plates 26 are inserted into the pair of through grooves 43.

[0026] The drive arm 50 comprises a housing 51, an arm body 52 connected to the housing 51, and a protective cover 53. The housing 51 is fitted over the base body 41 and, together with the base body 41, surrounds one side of the pair of insertion plates 26, thereby preventing the accessory holder 20 from detaching from the holder 10. The protective cover 53 includes a head 531 and an insertion rod 532 connected to the head 531. The head 531 is fitted onto the accessory holder 20 and is fitted over one end of the housing 51. The base body 41 of the exterior trim 40 is provided with a receiving groove 410. The insertion rod 532 is inserted into the receiving groove 410.

[0027] It should be noted that the insertion rod 532 is provided with a shaft hole 530. The protective cover 53 is connected to the accessory holder 20 by fitting the pivot 23 into the shaft hole 530.

[0028] Specifically, the pair of through grooves 43 comprises a first through groove 431 and a second through groove 432. The pair of insertion plates 26 includes a first insertion plate 261 and a second insertion plate 262. The first insertion plate 261 is inserted into the first through groove 431, and the second insertion plate 262 is inserted into the second through groove 432. In this embodiment, each of the first recesses 24 and each of the second recesses 25 are U-shaped notched grooves.

[0029] In this embodiment, the base body 41 of the exterior trim 40 includes a first baffle 44 surrounding a partial periphery of the pivot hole 42 and a second baffle 45 surrounding a partial periphery of the second through groove 432. Furthermore, a plurality of hook portions 511 are provided on the periphery of the housing 51. When the exterior trim 40 is coupled to the housing 51, the hook portions 511 of the housing 51 engage with the first baffle 44 and the second baffle 45 of the exterior trim 40. Additionally, an L-shaped stopper 512 is molded at one end of the housing 51. The L-shaped stopper 512 surrounds both sides of the first through groove 431 of the exterior trim 40, and one side of the L-shaped stopper 512 is inserted into the second recess 25. That is, the second recess 25 is positioned as a concession position design to allow coupling of more forms of exterior trim 40 and drive arm 50, improving assembly interchangeability.

[0030] Figures 5 and 6 are exploded views showing an accessory holder and a metal spring seat according to one embodiment of the present invention. The metal spring seat 31 of the present invention comprises a seat body 311 and a plurality of holes 310 installed in the seat body 311. The accessory holder 20 includes a bottom plate 21, two side plates 22, and a pivot 23 connected to the two side plates 22. The bottom plate 21 has a plurality of wing-shaped pieces 211, and a plurality of protrusions 212 are installed on one side facing the metal spring seat 31. In this way, the accessory holder 20 and the metal spring seat 31 are positioned relative to each other by the plurality of protrusions 212 and the plurality of holes 310, and the accessory holder 20 is coupled to the metal spring seat 31 by the plurality of wing-shaped pieces 211 being bent and in contact with the side edges of the seat body 311.

[0031] Specifically, the position of each hole 310 is set to correspond to the position of each wing-shaped piece 211. In addition, each side plate 22 has an opening groove 210 at a position corresponding to each wing-shaped piece 211. In this embodiment, the bottom plate 21 comprises a plurality of plates 213 installed at intervals, and the cross-section of each plate 213 is U-shaped. Incidentally, each wing-shaped piece 211 may be bent by a press-forming method, and this invention is not limited to these methods.

[0032] Figure 7 is a cross-sectional view showing the combination of a wiper assembly structure according to one embodiment of the present invention. Figure 8 is a cross-sectional view along the line 8-8 in Figure 7. The assembly method of the wiper assembly structure 1 according to the present invention is as follows: First, the accessory holder 20 is coupled to the holder 10 by the projection 27 penetrating the slot 12. The wiper blade set 30 is coupled to the bottom side of the accessory holder 20. The exterior trim 40 is coupled to the housing 51 of the drive arm 50. The hook portion 511 of the housing 51 engages with the first baffle 44 and the second baffle 45 of the exterior trim 40. The drive arm 50 and the exterior trim 40 are both pivotally attached to the pivot 23 of the accessory holder 20. In this way, the first insertion plate 261 and the second insertion plate 262 of the accessory holder 20 are inserted into the first through groove 431 and the second through groove 432 of the exterior trim 40, respectively.

[0033] It should be noted that the L-shaped stopper 512 of the housing 51 locks onto the outside of the first insertion plate 261 and is inserted into the second recess 25. The second insertion plate 262 is locked by the second baffle 45 (see Figure 9). As a result, the first insertion plate 261 and the second insertion plate 262 are locked by the exterior trim 40 and the drive arm 50 so that they do not detach from the holder 10.

[0034] Figure 9 is a cross-sectional view along the line 9-9 in Figure 7. As described above, when the exterior trim 40 is assembled to the accessory holder 20, the second insertion plate 262 is inserted into the second through groove 432 of the exterior trim 40, and the second insertion plate 262 is locked in place by the second baffle 45. The wiper blade set 30 is also coupled to the bottom side of the accessory holder 20. The cross-section of the plate 213 of the accessory holder 20 is U-shaped and accommodates the top of the sealing strip 32 of the wiper blade set 30. The metal spring seat 31 of the wiper blade set 30 is inserted through both sides of the sealing strip 32 and is clamped in place by the wing-shaped pieces 211 bent by the accessory holder 20.

[0035] Although embodiments of the present invention have been described in detail above with reference to the drawings, the specific configuration is not limited to these embodiments, and design modifications and the like are also included within the scope of the spirit of the present invention. [Explanation of Symbols]

[0036] 1. Wiper assembly structure 10 holders 11 Housing Base 111 Support Block 112 Compression Block 12 slots 20 Accessory holder 21 Bottom plate 210 Opening groove 211 Pterygium 212 Convex part 213 Plate 22 Side panels 23 Pivot 24 First recess 241 Support Rib 25 Second recess 26 Insertion plate 261 First Insertion Plate 262 Second Insertion Plate 27 Protrusion 30 Wiper Blade Set 31 Metal spring seat 310 Hole 311 Seat Body 32 sealing strips 33 Deflector 40 Exterior trim 41 Base Unit 410 Receiving groove 42 pivot holes 43 Through groove 431 First through groove 432 Second through groove 44. First baffle 45. Second baffle 50 Drive Arm 51 Housing 511 Hook part 512 L-shaped stopper 52 Arm body 53 Protective cover 530 shaft hole 531 Head 532 Insertion Rod

Claims

1. A metal spring seat including a seat body and a plurality of holes provided in the seat body, The device includes a base plate, two side plates extending vertically from the base plate, and a pivot connected to the two side plates, wherein the base plate has a plurality of wing-shaped pieces, and an accessory holder having a plurality of protrusions on one side facing the metal spring seat, A coupling structure for a wiper accessory holder and a spring seat, characterized in that the accessory holder and the metal spring seat are positioned relative to each other by the plurality of protrusions and the plurality of holes, and the accessory holder is coupled to the metal spring seat by the plurality of wing-shaped pieces being bent and in contact with the side edges of the seat body.

2. The coupling structure of a wiper accessory holder and a spring seat according to claim 1, characterized in that the position of each of the holes is set to correspond to the position of each of the wing-shaped pieces.

3. The coupling structure of a wiper accessory holder and a spring seat according to claim 1, characterized in that each of the side plates is provided with an opening groove at a position corresponding to each of the wing-shaped pieces.

4. The coupling structure of a wiper accessory holder and a spring seat according to claim 1, characterized in that each of the wing-shaped pieces is bent by a press working method.

5. The wiper accessory holder and spring seat coupling structure according to claim 1, characterized in that each side plate comprises a pair of first recesses, a pair of second recesses, a pair of insertion plates, and a plurality of protrusions, the pair of first recesses and the pair of second recesses are arranged to correspond to both sides of the pivot, each insertion plate is formed between each of the first recesses and each of the second recesses, and each of the protrusions is installed at one end of each side plate.

6. The wiper accessory holder and spring seat coupling structure according to claim 5, characterized in that each of the side plates is provided with a pair of support ribs located on one side of the pair of first recesses.

7. The coupling structure of a wiper accessory holder and a spring seat according to claim 5, characterized in that each wing-shaped piece is positioned to correspond to one side of each first recess.

8. The coupling structure for a wiper accessory holder and a spring seat according to claim 5, characterized in that each of the first recesses and each of the second recesses is a U-shaped cutout.

9. The coupling structure for a wiper accessory holder and a spring seat according to claim 1, characterized in that the bottom plate comprises a plurality of plates installed at intervals.

10. The coupling structure of a wiper accessory holder and a spring seat according to claim 9, characterized in that the cross-section of each of the aforementioned plates is U-shaped.

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