CN113815569B - Connector and windshield wiper thereof - Google Patents
Connector and windshield wiper thereof Download PDFInfo
- Publication number
- CN113815569B CN113815569B CN202110088958.0A CN202110088958A CN113815569B CN 113815569 B CN113815569 B CN 113815569B CN 202110088958 A CN202110088958 A CN 202110088958A CN 113815569 B CN113815569 B CN 113815569B
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- wiper arm
- connector
- cover
- piece
- wiper
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- 230000000903 blocking effect Effects 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/40—Connections between blades and arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/40—Connections between blades and arms
- B60S2001/409—Connections between blades and arms characterised by the arm or connecting part mounted on the arm presenting a shaped opening for bearing the pivot axis
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The connector is used for connecting the wiper arm and the wiper assembly, and the bottoms of the two side walls of the wiper arm are respectively provided with a clamping hook which is bent inwards; the connector comprises a blocking piece and a body, wherein the body is provided with two side walls and a top wall, the blocking piece is arranged at the front end of the top wall of the body, and the blocking piece can be driven to switch between an unlocking state and a locking state by external force; the inner side of the side wall is also provided with a pivot connecting part, each side wall is provided with a slideway and a clamping piece, and the rear part of the clamping piece extends downwards to form a resisting part; when the wiper arm and the connector are installed, the blocking piece is in an unlocking state, and the front end part of the wiper arm is limited to move forwards by the blocking piece; when the wiper arm is detached from the connector, the blocking piece is switched to an unlocking state, the blocking piece is separated from the front end part of the wiper arm, and the clamping hook moves away from the blocking part towards the front of the clamping piece and moves out of the slideway from bottom to top.
Description
Technical Field
The invention relates to the technical field of windshield wipers, in particular to a connector and a windshield wiper with the connector.
Background
In the prior art, as shown in fig. 1, the wiper arm 100 'generally includes a connecting portion having a U-shaped cross section, a locking hole 1' is formed in the middle of the front end of the top surface, an inwardly bent hook 11 'is formed at the bottom of both sides thereof, the connector 200' adapted thereto includes a head portion 13 'and a body 12', the body 12 'includes two side walls and a top wall, a resilient cantilever 3' is formed at the front end of the top wall, a resilient protrusion is provided on the resilient cantilever 3', the front end of the resilient protrusion further has a pressing portion 4', the width of the head portion 13 'is larger than the width of the body 12', a retaining portion 5 'is formed at both sides of the body 12', the wiper arm 100 'moves forward from behind with respect to the connector 200' until the resilient protrusion protrudes into the locking hole 1 'in the working position, at this time, the hooks 11' on both sides of the wiper arm 100 'are reversely fastened to both side walls of the body 12', the front ends of the hooks are abutted against the abutment portions 5', the elastic protrusions and the abutment portions 5' limit the front-back displacement of the wiper arm 100 'relative to the connector 200' in the length direction, when the connector 200 'is to be detached from the wiper arm 100', the connector 200 'is easily thrown out of the wiper arm 100' due to the fact that the pressing portions 4 'are only pressed to enable the elastic protrusions to withdraw from the fastening holes 1', and then the wiper arm 100 'is moved backwards, however, in the normal working state of the wiper arm 100', the wiper arm 100 'has a backward force, is directly stressed by centrifugal force, and the parts of the elastic protrusions are fragile, so that the connector 200' is easily lost in vibration or multiple throwing movements, the connector 200 'is easily thrown out of the wiper arm 100', causing a safety accident.
Disclosure of Invention
The present invention aims to solve at least to some extent one of the technical problems in the above-described technology. To this end, a first aspect of the invention provides a connector.
In order to achieve the above-mentioned objective, the present invention provides a connector for connecting a wiper arm and a wiper assembly, wherein the bottoms of two sidewalls of the wiper arm are respectively provided with a hook bent inwards; the connector comprises a blocking piece and a body, wherein the body is provided with two side walls and a top wall, the blocking piece is arranged at the front end of the top wall of the body, and can be driven to switch between an unlocking state and a locking state by external force; the inner side of each side wall is also provided with a pivot connecting part, each side wall is provided with a slideway and a clamping piece, the slideway and the clamping piece are arranged from front to back, and the rear part of at least one clamping piece extends downwards to form a resisting part; when the wiper arm and the connector are installed, the blocking piece is in an unlocking state, the clamping hook slides down along the slideway and moves backwards, the clamping hook is reversely buckled on the clamping piece, the rear end of the clamping hook is propped against the blocking part, the blocking piece is switched to a locking state, and the front end part of the wiper arm is limited to move forwards by the blocking piece; when the wiper arm is detached from the connector, the blocking piece is switched to an unlocking state, the blocking piece is separated from the front end part of the wiper arm, and the clamping hook moves away from the blocking part towards the front of the clamping piece and moves out of the slideway from bottom to top.
Based on the design, when the wiper arm carries out reciprocating swing action on the vehicle windshield, the rear end of the wiper arm clamping hook props against the resisting part, the front end part of the wiper arm is clamped against the blocking part, and the stress point in the swinging process of the wiper arm is mainly the resisting part of the connector, so that the wiper arm and the connector are firmly connected and are not easy to fall off from each other, the use is safe, and meanwhile, when the wiper arm and the connector are conveniently butted through the additionally arranged slide way, the clamping hook of the wiper arm is sleeved at the outer end of the connector from top to bottom, and the disassembly is convenient.
Further, each side wall is further provided with a first positioning reference part and a second positioning reference part in a protruding mode at intervals from front to back, the slide way is a spacing area formed by the side wall between the first positioning reference part and the second positioning reference part, the slide way is gradually lifted from front to back, and the bottom end of the second positioning reference part forms the clamping piece.
More specifically, the first positioning reference part and the second positioning reference part are respectively provided with a first inclined plane and a second inclined plane which incline upwards from front to back at opposite sides, the upper end of the first inclined plane is provided with a vertical guide surface, the clamping piece is a horizontal resisting surface, and the second inclined plane is connected with the horizontal resisting surface to form a sliding track of the reverse 7.
Based on the design, the slide way that the slope set up, the wiper arm of being convenient for when installing with the connector, its wiper arm can be for the connector forward displacement, and the front end of wiper arm can directly be used in the barrier of some specific embodiments that follow-up revealed, and when wiper arm and connector assembly put in place promptly, the trip of wiper arm back-off in on the card holds the piece, the rear end of this trip support in keep out the portion, the both sides wall of wiper arm front end can obtain the effective support of first location benchmark portion, makes both can realize stable connection of wiper arm and connector, avoids the wiper arm to follow width direction's rocking for the connector.
Further, the first positioning reference part and the second positioning reference part are provided with a plurality of hollowed-out parts, so that the matching precision of the outer surfaces of the first positioning reference part and the second positioning reference part can be further improved, the injection molding defects such as shrinkage or holes and the like in the injection molding process are avoided, meanwhile, production materials are further saved, and the production cost is reduced.
Further, a hollowed part is arranged on the top wall of the body of the connector at a position opposite to the pivot connecting part, and the hollowed part can meet the premise that the overall height of the connector is low, and a space for giving way is provided for the connector to swing up and down along the length direction of the connector by taking the pivot connecting part as a rotating fulcrum; meanwhile, the hollow-out part is arranged, so that demolding of the pivot connection part of the inner side wall of the connector is facilitated.
One embodiment of the blocking piece is a rotating cover, the rotating cover is hinged to the front part of the body, a mutual locking mechanism is correspondingly formed between the rotating cover and the body, when the rotating cover turns inwards and is locked to the front part of the body, the rotating cover is stably fixed to the front end of the body through the locking mechanism formed between the rotating cover and the rotating cover, at the moment, the rotating cover is in a locking state, and the rear end part of the rotating cover can be propped against the front end part of the wiper arm; the rotary cover is turned outwards, the rear end part of the rotary cover is separated from the front end part of the wiper arm, and the rotary cover is in an unlocking state. In one embodiment of the blocking member, a notch is formed in the front portion of the top wall of the body, the inner wall of the front end of the notch extends backwards to form an elastic cantilever, a blocking member is arranged at the free end of the cantilever, the blocking member is a blocking member, when the cantilever is not elastically deformed, the blocking member is in a locking state, and the rear end of the blocking member can prop against the front end of the wiper arm or the inner wall of the rear end of the front end of the top of the wiper arm, where the front end of the top of the wiper arm is provided with a second opening, so that the connector is limited to move backwards relative to the wiper arm; when the cantilever is elastically deformed, the rear end part of the stop piece positioned at the free end of the cantilever is separated from the front end part of the wiper arm, and the stop piece is in an unlocking state.
In one embodiment of the blocking member, a notch is formed in the front part of the top wall of the body, the inner wall of the front end of the notch extends backwards to form an elastic cantilever, and a blocking member is arranged on the free end of the cantilever; the blocking piece is a cover, and a first opening part is formed in the top of the cover; the cover is covered at the front end part of the body, the stop piece is clamped into the first opening part, the cover is in a locking state at the moment, and the rear end part of the cover can be propped against the front end part of the wiper arm; the first opening of the cover is moved out of the stopper, and the rear end of the cover is out of contact with the front end of the wiper arm, and the cover is in an unlocked state.
Further, the front end of the stop member has an inclined guide slope which is arranged obliquely upward in order from front to back. The inclined guide inclined plane is convenient for driving the cantilever to elastically deform downwards when the front end of the wiper arm is in abutting contact with the wiper arm, or is convenient for the stop piece to be embedded into the first opening part of the cover when the cover is matched with the stop piece.
The second object of the present invention is to provide a wiper blade, wherein the connector according to any one of the above-mentioned aspects is used, a pivot connection portion is provided at an inner end of a side wall of the connector, the wiper blade assembly is pivotally connected to the wiper blade assembly by the pivot connection portion, and the wiper blade assembly is connected to the wiper arm by the connector.
Adopt the windshield wiper that this kind of connector was made, when with the wiper arm interconnect of adaptation, can promote the stability of being connected between wiper subassembly and the wiper arm greatly, promote the life of windshield wiper, ensure driving safety.
Drawings
Fig. 1 is an exploded view of a conventional connector and wiper arm.
Fig. 2 is an exploded view of a connector and a wiper arm according to a first embodiment of the present invention.
Fig. 3 is a schematic view illustrating a first use state of the connector according to the first embodiment of the invention.
Fig. 4 is a schematic view illustrating a second use state of the connector according to the first embodiment of the invention.
Fig. 5 is an exploded view of a connector and a wiper arm according to a second embodiment of the present invention.
Fig. 6 is a mating view of a connector and a wiper arm according to a second embodiment of the present invention.
Fig. 7 is an exploded view of a connector and a wiper arm according to a third embodiment of the present invention.
Fig. 8 is a mating view of a connector and a wiper arm according to a third embodiment of the present invention.
Detailed Description
For a better understanding of the present invention, before describing in detail the connection structure between the wiper arm 200 and the connectors 100a, 100b, 100c, several terms concerning the direction are defined, when the wiper arm 200 and the connectors 100a, 100b, 100c are assembled, the "front end" of the connector 100 is the end opposite to the arrow pointing in the direction a, and the "rear end" of the connector 100a, 100b, 100c is the end pointing the same as the arrow pointing in the direction a. The "upward" is a direction from the connectors 100a, 100b, 100c vertically upward toward the wiper arm 200, and the "downward" is an opposite direction. Thus, the front-rear direction and the up-down direction of the wiper arm 200 substantially coincide with the connectors 100a, 100b, and 100c.
The definition of the wiper assembly, those skilled in the art can know that the wiper assembly has at least a wiper bracket, a wiper rubber strip and a pivot connection seat arranged in the middle of the wiper bracket and used for being mutually hinged with the pivot connection part of the adapter, the wiper bracket can be a bone bracket or a boneless bracket consisting of a spring plate or a hybrid bracket consisting of the bone bracket and the spring plate, the bottom of the wiper bracket is directly or indirectly fixedly provided with the wiper rubber strip, the wiper bracket is used for transmitting the lateral force applied to the reciprocating swing of the wiper rubber strip by a driving arm and ensuring that the wiper rubber strip is clung to the windshield glass of the vehicle, and the bone wiper bracket is generally provided with no flow guiding sheath, and the boneless bracket is provided with the flow guiding sheath which is arranged above the wiper rubber strip.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
Examples
Referring to fig. 2 again, a connector 100a is used for connecting a wiper arm 200 and a wiper assembly (not shown), wherein two side wall bottoms of the wiper arm 200 are respectively provided with a hook 201 bent inwards, and a second opening 203 is provided at the front end of the top of the wiper arm 200.
Referring to fig. 2 and 4, the connector 100a includes a blocking member 3c and a body 4, wherein the blocking member 3c is disposed at a front end of the body 4; the body 4 has two side walls 41 and a top wall 44, a pivot connection portion 5 is provided on the inner side of each side wall 41, the specific embodiment of the pivot connection portion 5 is a boss 5 extending inward on the inner wall of the side wall 41, a first positioning reference portion 49 and a second positioning reference portion 48 are further provided on each side wall 41 at intervals from front to back, the outer surfaces of the first positioning reference portion 49 and the second positioning reference portion 48 serve as contact surfaces in limit fit with the inner walls of the two side walls of the wiper arm 200, in order to ensure the necessary dimensional fit precision, preferably, a plurality of hollowed-out portions are provided on each of the first positioning reference portion 49 and the second positioning reference portion 48, the hollowed-out portions 40 firstly serve to avoid increasing the production cost of materials if the first positioning reference portion 49 and the second positioning reference portion 48 are solid, secondly, the thicker wall thickness also tends to make the surfaces uneven during the injection molding process, holes, shrinkage and the like, and the dimensional precision of the molded products is affected. Meanwhile, the first positioning reference portion 49 and the second positioning reference portion 48 are respectively provided with a first inclined surface 491 and a second inclined surface 481 which incline upwards from front to back at opposite sides, the bottom end of the second positioning reference portion 48 forms a clamping piece 42, the clamping piece 42 has a horizontal resisting surface, the rear portion of the clamping piece 42 extends downwards to form a resisting portion 421, the inner end surface of the resisting portion 421 is fixedly connected to the side wall 41, and when the wiper arm 200 swings back and forth, the resisting portion 421 limits the connector 100a to move forwards relative to the wiper arm 200. The second inclined plane 481 is connected with the clamping piece 42 to form a sliding track of the reverse 7, the connecting part of the second inclined plane 481 and the clamping piece 42 is provided with an arc guide angle 482, so that the side wall 41 forms a slide way 47 which is gradually lifted from front to back in the interval area between the first inclined plane 491 of the first positioning reference part 49 and the second inclined plane 481 of the second positioning reference part 48, the slide way 47 and the clamping piece 42 are arranged from front to back, the slide way 47 is used for guiding the sliding track of the hook 201 of the wiper arm 200, and in order to facilitate the hook 201 of the wiper arm 200 to be inserted into the slide way 47, preferably, the upper end of the first inclined plane 491 of the first positioning reference part 49 is provided with a vertical guide surface 492; meanwhile, the arrangement of the first positioning reference portion 49 and the second positioning reference portion 48 protruding on the side wall 41 does not exclude the integration of the first positioning reference portion 49 and the second positioning reference portion 48 with the side wall 41 into one member by a person of ordinary skill in the art, that is, the side wall 41 has a sufficient thickness and has a redundant space with the inward concave slide way 47.
Referring to fig. 2-4, the top wall 44 is further provided with a hollow portion 442 at the position of the pivot connection portion 5, and the hollow portion 442 is formed to provide a space for allowing the connector 100a to swing vertically along the length direction of the connector 100a with the pivot connection portion 5 as a rotation pivot under the condition of low overall height, and meanwhile, by forming the hollow portion 442, demolding of the pivot connection portion 5 at the inner end of the side wall 41 of the connector 11a is facilitated, and integral injection molding is facilitated; the front part of the top wall 44 is further provided with a notch 441, the inner wall of the front end of the notch 441 extends backwards to form an elastic cantilever 45, the free end of the cantilever 45 is provided with a stop member 46, in this embodiment, the stop member 3c is the stop member 46, and the stop member 46 extends upwards from the free end of the cantilever 45 towards the direction of the wiper arm 200; the front end of the stopper 46 has an inclined guiding slope 461, the rear end of the stopper 46 (toward one side end face of the wiper arm 200) has a supporting abutment surface 462, the guiding slope 461 is inclined upward from front to rear in sequence, and the inclination direction is such that when the hook 201 of the wiper arm 200 slides downward along the slideway 47 from top to bottom, the inner wall of the front end of the wiper arm 200 presses down the inclined guiding slope 461 of the stopper 46 or directly presses down the stopper 46, driving the cantilever 45 to elastically deform downward and simultaneously driving the stopper 46 to yield downward.
Specifically, the mounting of the wiper arm 200 to the connector 100a is described, the hook 201 of the wiper arm 200 is slid down along the slide way 47 of the connector 100a, at this time, the front end of the inner top wall of the wiper arm 200 presses down the guiding inclined surface 461 of the stopper 46, so as to drive the cantilever 45 to elastically deform downward, at this time, the stopper 3c, that is, the stopper 46 is in the unlocked state, when the hook 201 moves backward along the bottom end of the slide way 47 to be reversely buckled on the buckle holder 42, and the rear end of the hook 201 abuts against the abutment 421, the front end of the wiper arm 200 slides away from the stopper 46, so that the cantilever 45 elastically returns, and the free end (abutment supporting surface) 462 of the stopper 46 abuts against the front end 202 of the wiper arm 200, at this time, the stopper 46 (the stopper 3 c) is in the locked state, and the front end 202 of the wiper arm 200 is restricted from moving forward by the stopper 46.
When the wiper arm 200 needs to be detached from the connector 100a, the stopper 46 is manually pressed down, the stopper 46 is switched from the locked state to the unlocked state, the cantilever 45 is elastically deformed downward, at this time, the stopper 46 (the stopper 3) is separated from the front end 202 of the wiper arm 200, the hook 201 moves away from the stopper 421 to the bottom end of the slide 47 toward the front of the retainer 42, and then the hook 201 of the wiper arm 200 is moved out of the slide 47 from bottom to top, so that the wiper arm 200 and the connector 100a can be separated.
With the above design, when the wiper arm 200 drives the wiper assembly on the connector 100a to perform the reciprocating swing action on the vehicle windshield, the connector 100a generates an outward centrifugal force, and the stress point between the wiper arm 200 and the connector 100a is mainly located at the resisting portion 421, and since the resisting portion 421 is fixedly arranged on the body 4 of the connector 100a, it is not easy to generate elastic deformation, so that it is ensured that the connector 100a is not easy to separate from the wiper arm 200 when the wiper arm 200 is in a working state; when the vehicle is in maintenance of cleaning glass or in some special conditions, the stop piece 46 of the connector 100a is propped against the front end 202 of the wiper arm 200 to limit the backward displacement of the connector 100a relative to the wiper arm 200, so that the wiper arm 200 and the connector 100a are firmly connected and are not easy to fall off; meanwhile, as the side wall 41 of the connector 100a is additionally provided with the inclined slide way 47, firstly, when the wiper arm 200 is installed with the connector 100a, the wiper arm 200 can move forwards relative to the connector 100a, and the front end of the inner top wall of the wiper arm 200 can directly act on the stop piece 46, so that the installation is convenient; secondly, when the wiper arm 200 is assembled with the connector 100a in place, that is, the hook 201 of the wiper arm 200 is reversely fastened to the fastening member 42, the rear end of the hook 201 abuts against the resisting portion 421, and the inner ends of the two side walls at the front end of the wiper arm 200 can be effectively supported by the first positioning reference portion 49, so that when the wiper arm 200 and the connector 100a are mounted in place, the wiper arm 200 and the connector 100a do not shake in the width direction in the region located in the first positioning reference portion 49, and stable connection is achieved between the two parts. Of course, a person skilled in the art can change the inclination angle or the sliding stroke of the sliding track 47, and simultaneously adaptively adjust the size of the stop member 46, so that the stop member can be embedded and abutted against the rear end surface of the second opening 203 of the wiper arm 200, so as to limit the backward displacement of the connector 100a relative to the wiper arm 200, which falls into the scope of claims of the present invention.
Examples
This section differs from example 1 in that:
referring to fig. 5-6, in this embodiment, the blocking member 3b is a cover 3b, and a first opening 32 is formed at the top of the cover 3 b;
the body 4 has a top wall 44, the front part of the top wall 44 has a notch 441, the inner wall of the front end of the notch 441 extends backwards to form a cantilever 45 with elasticity, and a stop piece 46 is arranged on the free end of the cantilever 45; the stopper 46 has an inclined guide slope 461, the guide slope 461 is inclined upward in order from front to rear, and such an inclined direction allows the stopper 46 to slide into the first opening portion 32 of the cover 3b more easily when the cover 3b is to be attached and detached.
When the cover 3b is mounted, it covers the front end of the body 4, the stopper 46 is engaged with the first opening 32, the cover 3b is locked, and the rear end 33 of the cover 3b restricts the front end 202 of the wiper arm 200 from moving forward. When the wiper arm 200 is mounted to the connector 100b, the top surface of the wiper arm 200 is substantially flush with the upper surface of the cover 3b, and both side walls of the cover 3b are also substantially flush with both side walls of the wiper arm 200. When the cover 3b is to be removed, the cantilever 45 is elastically deformed downward with respect to the body 4 by pressing the top end surface of the stopper 46 with a finger, so that the stopper 46 is separated from the first opening 32 of the cover 3b, the rear end 33 of the cover 3b is separated from the front end 202 of the wiper arm 200, and the cover 3b is in an unlocked state, and the wiper arm 200 is detachable from the connector 100b.
Compared with the embodiment 1, by adding the cover 3b to the stopper 46, the shape of the cover 3b can be adapted to the contour of the wiper arm 200, so that the connector 100b is decorated in the area of the stopper 46 by the cover 3b flush with the wiper arm 200, so that after the wiper with the connector 100b is assembled with the wiper arm 200, the two have good overall design aesthetic feeling, and the contact area between the cover 3b and the front end 202 of the wiper arm 200 is larger, so that the wiper arm 200 can be further prevented from sliding forward from the cover 3b of the connector 100b, and the connection between the connector 100b and the wiper arm 200 is more stable.
Examples
This section differs from example 1 in that:
referring to fig. 7-8, the blocking member 3a is a rotary cover 3a, and two opposite sides of the rotary cover 3a are respectively provided with a rotary hole 31; the front part of the body 4 has two pivoting shafts 43, and a mutual locking mechanism (not explicitly shown) is correspondingly formed between the rotating cover 3a and the body 4, the rotating cover 3a is pivoted to the front part of the body 4 through the two pivoting holes 31 and the two pivoting shafts 43, and is fixed to the front end of the body 4 through the locking mechanism formed therebetween, and the front end 202 of the wiper arm 200 is locked to the rear end of the rotating cover 3a, and the pivoting shafts 43 can be configured in a hollow cylindrical form, or other forms. It should be noted that, although the present embodiment does not describe how the rotary cover 3a is fixed to the front end of the body 4 by the locking mechanism, the technical solution is the prior art, such as the snap-fit manner between the flip cover 16 (corresponding to the rotary cover 3 a) and the connector 15 (corresponding to the connector 100B) disclosed in the patent document CN211943228U, or the disclosure of patent documents CN210478636U, US10093282B2, etc., and those skilled in the art know how to achieve the reversible stable locking between the rotary cover 3a and the body 4 by the necessary technical means, and therefore will not be described in detail.
The rotating cover 3a can be switched between an unlocking state and a locking state, when the rotating cover 3a is in the locking state, that is, the rotating cover 3a covers the front part of the body 4, the rear end part of the rotating cover 3a can prop against the front end part 202 of the wiper arm 200 to limit the forward displacement of the wiper arm 200 relative to the connector 100c, at this time, the top surface of the wiper arm 200 is basically flush with the upper surface of the rotating cover 3a, and two side walls of the rotating cover 3a are basically flush with two side walls of the wiper arm 200; when the rotary cover 3a is turned outwards, the rear end of the rotary cover 3a is out of contact with the front end 202 of the wiper arm 200, and the rotary cover 3a is in an unlocked state, and the wiper arm 200 is detachable from the connector 100c.
The advantageous technical effects produced by the use of the rotary cover 3a can be substantially the same as those of embodiment 2 and will not be described again.
The present invention also discloses a wiper blade (not shown) comprising the aforementioned connectors 100a, 100b, 100c, wherein the connectors 100a, 100b, 100c are used to connect the wiper blade assembly to the wiper arm 200, i.e. the type of wiper blade is most significantly different from the conventional wiper blade in that the aforementioned connectors 100a, 100b, 100c are used, and the structure of the wiper blade assembly used by the same is known to those skilled in the art, and how to mount the connectors 100a, 100b, 100c to the wiper blade assembly is a conventional known technology, generally by allowing the connectors 100a, 100b, 100c to be mounted to pivot seats of the wiper blade assembly in a vertically swingable manner along the length direction of the wiper blade assembly, so that description will not be repeated.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (10)
1. A connector (100 a, 100b, 100 c) for connecting a wiper arm (200) and a wiper assembly, wherein the bottoms of two side edges of the wiper arm (200) are respectively provided with a clamping hook (201) which is bent inwards; the method is characterized in that: the connector (100 a, 100b, 100 c) comprises a blocking piece (3 a, 3b, 3 c) and a body (4), wherein the body (4) is provided with two side walls (41) and a top wall (44), the blocking piece (3 a, 3b, 3 c) is arranged at the front end of the top wall (44) of the body (4), and the blocking piece (3 a, 3b, 3 c) can be driven to switch between an unlocking state and a locking state by external force; each side wall (41) is further provided with a pivot connecting part (5), each side wall (41) is provided with a slide way (47) and a clamping piece (42), the slide way (47) and the clamping piece (42) are arranged from front to back, each side wall (41) is further provided with a first positioning reference part (49) and a second positioning reference part (48) at intervals from front to back, the slide way (47) is a spacing area formed between the side wall (41) and the first positioning reference part (49) and the second positioning reference part (48), the slide way (47) is gradually lifted from front to back, the bottom end of the second positioning reference part (48) forms the clamping piece (42), and the rear part of the clamping piece (42) extends downwards to form a resisting part (421); when the wiper arm (200) is mounted with the connectors (100 a, 100b, 100 c), the blocking pieces (3 a, 3b, 3 c) are in an unlocking state, the clamping hooks (201) slide down along the slide ways (47) and move backwards, the clamping hooks (201) are reversely buckled on the clamping holding pieces (42), the rear ends of the clamping hooks (201) are propped against the resisting parts (421), the blocking pieces (3 a, 3b, 3 c) are switched to a locking state, and the front end parts (202) of the wiper arm (200) are limited by the blocking pieces (3 a, 3b, 3 c) to move forwards; when the wiper arm (200) is detached from the connector (100 a, 100b, 100 c), the blocking member (3 a, 3b, 3 c) is switched to the unlocking state, the blocking member (3 a, 3b, 3 c) is separated from the front end portion (202) of the wiper arm (200), and the hook (201) moves away from the blocking portion (421) toward the front of the catch (42) and moves out of the slide (47) from bottom to top.
2. A connector (100 a, 100b, 100 c) according to claim 1, characterized in that: each of the first positioning reference part (49) and the second positioning reference part (48) is respectively provided with a first inclined surface (491) and a second inclined surface (481) which incline upwards from front to back at opposite sides, the upper end of the first inclined surface (491) is provided with a vertical guide surface (492), the clamping piece (42) is a horizontal resisting surface, and the second inclined surface (481) is connected with the horizontal resisting surface (42) to form an inverted 7-shaped sliding track.
3. A connector (100 a, 100b, 100 c) according to claim 1, characterized in that: the first positioning reference part (49) and the second positioning reference part (48) are provided with a plurality of hollowed-out parts (40).
4. A connector (100 a, 100b, 100 c) according to claim 1, characterized in that: the top wall (44) of the body of the connector (100 a, 100b, 100 c) is provided with a hollow (442) at a position relative to the pivot connection (5).
5. A connector (100 c) according to any one of claims 1-4, wherein: the blocking piece (3 a) is a rotary cover (3 a), the rotary cover (3 a) is hinged at the front part of the body (4), meanwhile, a mutual locking mechanism is correspondingly formed between the rotary cover (3 a) and the body (4), when the rotary cover (3 a) is turned inwards and buckled to the front part of the body (4), the rotary cover (3 a) is stably fixed at the front end of the body (4) through the locking mechanism formed between the rotary cover and the body, at the moment, the rotary cover (3 a) is in a locking state, and the rear end part of the rotary cover (3 a) can be propped against the front end part (202) of the wiper arm (200); the rotary cover (3 a) is turned outwards, the rear end part of the rotary cover (3 a) is separated from contact with the front end part (202) of the wiper arm (200), and the rotary cover (3 a) is in an unlocking state.
6. A connector (100 b) according to any one of claims 1-4, wherein: the front part of the top wall (44) is also provided with a notch part (441), the inner wall of the front end of the notch part (441) extends backwards to form an elastic cantilever (45), and the free end of the cantilever (45) is provided with a stop piece (46);
the blocking piece (3 b) is a cover (3 b), and a first opening part (32) is formed in the top of the cover (3 b); the cover (3 b) is covered at the front end part of the body (4), the stop piece (46) is clamped into the first opening part (32), the cover (3 b) is in a locking state at the moment, and the rear end part (33) of the cover (3 b) can be propped against the front end part (202) of the wiper arm (200); the first opening (32) of the cover (3 b) is moved out of the stopper (46), and the rear end (33) of the cover (3 b) is out of contact with the front end (202) of the wiper arm (200), and the cover (3 b) is in the unlocked state.
7. A connector (100 a) according to any one of claims 1-4, wherein: the front part of the top wall (44) is also provided with a notch part (441), the inner wall of the front end of the notch part (441) extends backwards to form an elastic cantilever (45), the free end of the cantilever (45) is provided with a stop piece (46), the stop piece (3 c) is the stop piece (46), when the cantilever (45) is not elastically deformed, the stop piece (46) is in a locking state, and the rear end part of the stop piece (46) can prop against the front end part (202) of the wiper arm (200) or the inner wall of the rear end of the front end of the top part of the wiper arm (200) provided with a second opening part (203), so that the connector (100 a) is limited to move backwards relative to the wiper arm (200); when the cantilever (45) is elastically deformed, the rear end portion of the stopper (46) located at the free end of the cantilever (45) is out of contact with the front end portion (202) of the wiper arm (200), and at this time, the stopper (46) is in an unlocked state.
8. A connector (100 a, 100 b) according to claim 6, characterized in that: the front end of the stop member (46) is provided with an inclined guide inclined surface (461), and the guide inclined surface (461) is arranged in an upward inclined manner from front to back.
9. A connector (100 a, 100 b) according to claim 7, characterized in that: the front end of the stop member (46) is provided with an inclined guide inclined surface (461), and the guide inclined surface (461) is arranged in an upward inclined manner from front to back.
10. A windscreen wiper comprising a connector (100 a, 100b, 100 c) according to any of claims 1-9, which is pivotally arranged to the wiper assembly by means of a pivot connection (5), the connection of the wiper assembly to the wiper arm (200) being achieved by means of the connector (100 a, 100b, 100 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110088958.0A CN113815569B (en) | 2021-01-22 | 2021-01-22 | Connector and windshield wiper thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110088958.0A CN113815569B (en) | 2021-01-22 | 2021-01-22 | Connector and windshield wiper thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN113815569A CN113815569A (en) | 2021-12-21 |
| CN113815569B true CN113815569B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110088958.0A Active CN113815569B (en) | 2021-01-22 | 2021-01-22 | Connector and windshield wiper thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1784326A (en) * | 2003-05-09 | 2006-06-07 | 大众汽车有限公司 | Connecting device for a wiper blade on the wiper arm of a windshield wiper system |
| CA2560155A1 (en) * | 2006-03-24 | 2007-09-24 | Shih-Hsien Huang | Connecting device for a windshield wiper having no support frame and hook type windshield wiper arm |
| CN104228775A (en) * | 2013-06-14 | 2014-12-24 | 博世汽车部件(长沙)有限公司 | Windscreen wiper system |
| EP3109104A1 (en) * | 2015-06-26 | 2016-12-28 | Valeo Systèmes d'Essuyage | Adapter for a motor vehicle windscreen wiper and assembly having such an adapter |
| TWM534703U (en) * | 2015-12-30 | 2017-01-01 | Bosch Gmbh Robert | Connecting device for connecting wiper blade to the wiper arm and wiper assembly |
| CN110422141A (en) * | 2019-09-02 | 2019-11-08 | 厦门富可汽车配件有限公司 | A kind of windshield wiper joint and rain brush |
-
2021
- 2021-01-22 CN CN202110088958.0A patent/CN113815569B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1784326A (en) * | 2003-05-09 | 2006-06-07 | 大众汽车有限公司 | Connecting device for a wiper blade on the wiper arm of a windshield wiper system |
| CA2560155A1 (en) * | 2006-03-24 | 2007-09-24 | Shih-Hsien Huang | Connecting device for a windshield wiper having no support frame and hook type windshield wiper arm |
| CN101041349A (en) * | 2006-03-24 | 2007-09-26 | 黄世贤 | Connection device for bracketless wiper and hooked wiper arm |
| CN104228775A (en) * | 2013-06-14 | 2014-12-24 | 博世汽车部件(长沙)有限公司 | Windscreen wiper system |
| EP3109104A1 (en) * | 2015-06-26 | 2016-12-28 | Valeo Systèmes d'Essuyage | Adapter for a motor vehicle windscreen wiper and assembly having such an adapter |
| TWM534703U (en) * | 2015-12-30 | 2017-01-01 | Bosch Gmbh Robert | Connecting device for connecting wiper blade to the wiper arm and wiper assembly |
| CN110422141A (en) * | 2019-09-02 | 2019-11-08 | 厦门富可汽车配件有限公司 | A kind of windshield wiper joint and rain brush |
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| Publication number | Publication date |
|---|---|
| CN113815569A (en) | 2021-12-21 |
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