Windscreen wiper arm lifting control structure

Abstract

The utility model relates to the technical field of wiper arm control, and discloses a wiper arm lifting control structure which comprises a brush carrier, a motor is fixedly connected to the middle of the front end of the brush carrier, the output end of the motor penetrates through the brush carrier and is fixedly connected with a crank, and pins are rotationally connected to the left side and the right side of the front end of the brush carrier. The rear ends of the two pins penetrate through the brush frame and are fixedly connected with rockers, the side, adjacent to the crank, of the rocker on the right side is rotationally connected with the same pull rod, and the middle upper portions of the rear ends of the two rockers are rotationally connected with the same connecting rod. According to the device, the crank does circular motion along with the axis through the motor, so that the brush arm and the folding arm can swing back and forth in front of a car window, in rainy and snowy days, when the environment temperature and the critical value are sensed through the sensor, the electromagnet is automatically powered on, attraction force is generated to the ejector rod, the ejector rod lifts the folding arm through transmission of force, and the folding arm is driven to move back and forth. Therefore, the windscreen wiper and the automobile window are prevented from being frozen together.

Description

TECHNICAL FIELD

[0001] The utility model relates to wiper arm control technical field especially relates to a wiper arm lifting control structure. BACKGROUND

[0002] The wiper is installed on the cleaning device of the windshield of car, is mainly used in rainy day, snow day and dust environment to remove the rain, snow and other dirtiness on the glass surface, ensures that the driver has clear vision, guarantees the traffic safety, and the wiper is not only the basic safety component, more through the technical innovation to the intelligent and efficient evolution, becomes the important component of the improvement driving experience, and under the low temperature environment, the gap between wiper arm and windshield is easy to accumulate snow and ice, and forced start will lead to motor burnout or blade tear, therefore need a wiper arm lifting control structure, avoid the operation risk and mechanical failure under the extreme weather.

[0003] The early wiper arm lifting control structure is mainly composed of reset spring and manual buckle, reset spring provides return tension, ensures that the wiper arm is attached to the windshield, and manual buckle temporarily fixes the lifting state through friction, and the buckle will be loose due to the vibration when the vehicle starts, and the wiper arm will fall accidentally and scratch the vehicle body, in order to solve the above problems, the existing technology adds damping gear, and the damping gear improves the resistance uniformity of the lifting process through the tooth engagement, and the locking reliability is improved, but in actual use, due to the lack of environmental perception ability of the traditional structure, the wiper arm lifting function cannot be started automatically according to the critical value of the sensor measurement of ice and snow weather, and the driver manually triggers the lifting operation, the water film between the wiper blade and the glass will be frozen into ice due to low temperature, which affects the service life of the wiper blade, and the demand of the user cannot be met. CONTENT OF THE UTILITY MODEL

[0004] In order to make up for the above shortage, the utility model provides a wiper arm lifting control structure, which aims at improving the problem that the driver manually lifts the wiper arm in ice and snow weather in the prior art.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a rain -wiper arm lifting control structure, including the brush frame, the front end middle part of brush frame is fixedly connected with motor, the output of motor is through brush frame and is fixedly connected with crank, the front end left and right sides of brush frame are rotatably connected with the column pin, the rear end of two column pins is through brush frame and is fixedly connected with the rocker, the adjacent side of right side rocker and crank is rotatably connected with the same pull rod, the rear end middle upper portion of two rockers is rotatably connected with the same connecting rod, the outer wall of two column pins is all fixedly connected with the brush arm of front side, the top of two brush arms is rotatably connected with the folding arm, the front end middle upper portion of two brush arms is fixedly connected with the shell, the inside top of two shells is fixedly connected with the electromagnet, the inside of two electromagnets is slidably connected with the top rod, the top of two top rods is through the shell, the bottom of two top rods is fixedly connected with spring one, the other end of two spring one is fixedly connected with the shell of corresponding respectively, the left and right side middle upper portion of two top rods is rotatably connected with the rotating rod, the adjacent side of two rotating rods is rotatably connected with the folding arm, the top of brush frame is provided with buckle mechanism, and the buckle mechanism is used for quickly connecting the wiper.

[0006] As a further description of the above technical scheme:

[0007] The buckle mechanism includes two connecting blocks, two connecting blocks are fixedly connected at the top of the corresponding folding arm, two connecting blocks are internally provided with cavities, two cavities are internally slidably connected with wedge-shaped push rods, two wedge-shaped push rods are internally provided with cavities, two wedge-shaped push rods are fixedly connected with spring two at the rear end, the other end of two spring two is fixedly connected with the cavity, the left and right sides of two cavities are slidably connected with wedge-shaped clamping blocks, the left and right sides of two cavities are fixedly connected with spring three, the other end of multiple spring three is fixedly connected with the corresponding wedge-shaped clamping block, the rear end of multiple wedge-shaped clamping blocks is adjacent to the side of the cavity, the inner side of two connecting blocks is slidably connected with sliding blocks, and the left and right sides of two sliding blocks are provided with clamping grooves.

[0008] As a further description of the above technical scheme:

[0009] The front end of two shells is fixedly connected with an inductor, and the front end of two brush arms is fixedly connected with a decorative shell.

[0010] As a further description of the above technical scheme:

[0011] The front side of the outer wall of two column pins is provided with a threaded groove, and the front side of the outer wall of two column pins is threadedly connected with a nut.

[0012] As a further description of the above technical scheme:

[0013] The bottom of each of the two housings is provided with a circuit slot, and the bottom of each of the two housings is fixedly connected with a sealing ring.

[0014] As a further description of the above technical solution:

[0015] The front end of each of the two wedge-shaped push rods is fixedly connected with a pressing pad, and the right end of each of the two connecting blocks is fixedly connected with an indicator lamp.

[0016] As a further description of the above technical solution:

[0017] The rear end of each of the two sliding blocks is fixedly connected with a support, and the upper and lower ends of each of the two supports are fixedly connected with a fixed block.

[0018] As a further description of the above technical solution:

[0019] The upper and lower sides of the rear end of each of the two supports are fixedly connected with a framework, and the rear side of each of the plurality of frameworks is fixedly connected with a scraping piece.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、 the device through the motor in the utility model, make crank with axle center do circumferential motion, pass through the pull rod to the rocker on both sides play transmission effect, the rocker on both sides drive brush arm on both sides swing together, make brush arm and folding arm can reciprocating swing before the car window, when the rainy and snowy weather, through the inductor to sense the ambient temperature, critical value automatically energize the electromagnet, produce attractive force to the jacking rod, make the jacking rod through the transmission of force, lift the folding arm, thereby avoid the wiper and the car window freeze together, can satisfy the demand of the user.

[0022] 2、 the utility model discloses, need to replace the wiper strip, the wiper strip is connected through the sliding block and the connecting block, through the pressing wedge-shaped push rod extrusion both sides' wedge-shaped clamping block, make both sides' wedge-shaped clamping block move to the outside and extrude spring three, simultaneously separate the clamping groove, lose the fixed control of the sliding block to wiper strip can be quickly replaced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A perspective view of a wiper arm lifting control structure is provided for the utility model;

[0024] Figure 2 A front view of a wiper arm lifting control structure is provided for the utility model;

[0025] Figure 3 A cross-sectional view of a housing and a decorative shell of a wiper arm lifting control structure is provided for the utility model;

[0026] Figure 4A partial structure split view of a rain wiper arm lifting control structure is provided in the utility model.

[0027] Figure 5 A sectional view of a connecting block of the rain wiper arm lifting control structure is provided in the utility model.

[0028] Legend:

[0029] 1, brush holder; 2, buckle mechanism; 201, connecting block; 202, cavity; 203, wedge-shaped push rod; 204, spring two; 205, wedge-shaped clamping block; 206, spring three; 207, sliding block; 208, clamping groove; 3, motor; 4, crank; 5, pull rod; 6, column pin; 7, rocker; 8, connecting rod; 9, brush arm; 10, folding arm; 11, shell; 12, inductor; 13, electromagnet; 14, ejector rod; 15, spring one; 16, rotating rod; 17, screw groove; 18, nut; 19, decorative shell; 20, circuit slot; 21, sealing ring; 22, pressing pad; 23, indicator light; 24, support; 25, fixed block; 26, framework; 27, wiper blade. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Reference Figure 1 , Figure 2 and Figure 3The utility model provides an embodiment: a rain -wiper arm lifts control structure, including the brush frame 1, the front end middle part fixed connection of brush frame 1 has motor 3, the output of motor 3 penetrates brush frame 1 and is fixedly connected with crank 4, through the rotation of motor 3 output, makes crank 4 carry out circular motion, the front end left and right sides of brush frame 1 are rotatably connected with the stud 6, the rear end of two studs 6 all penetrates brush frame 1 and is fixedly connected with rocker 7, right side rocker 7 with the adjacent side rotatable connection of crank 4 has same pull rod 5, when crank 4 carries out circular motion, through pull rod 5 to rocker 7 produce the tension, make circular motion conversion into the reciprocating swing of rocker 7, the rear end middle upper portion rotatable connection of two rockers 7 has same connecting rod 8, through connecting rod 8 can make the movement amplitude of two sides rocker 7 same, the outer wall of two studs 6 all front side fixedly connected with brush arm 9, when rocker 7 swings through the stud 6 drive brush arm 9 swing together, the top of two brush arms 9 all rotatably connected with folding arm 10, the front end middle upper portion of two brush arms 9 all fixedly connected with shell 11, the inside top of two shell 11 all fixedly connected with electromagnet 13, the inside of two electromagnets 13 all slidingly connected with top rod 14, after the power supply of electromagnet 13, through the magnetic field to top rod 14 produce the tension, the top of two top rods 14 all penetrates shell 11, the bottom of two top rods 14 all fixedly connected with spring one 15, the other end of two spring one 15 respectively with corresponding shell 11 fixed connection, the left and right side middle upper portion of two top rods 14 all rotatably connected with the rotation bar 16, the adjacent side of two rotation bars 16 all with folding arm 10 rotatably connected, after top rod 14 is pulled through electromagnetic force, through rotation bar 16 drive folding arm 10 to rotate, to lift folding arm 10, the front end of two shell 11 all fixedly connected with inductor 12, the front end middle lower portion of two brush arms 9 all fixedly connected with decorative shell 19,

[0032] Specifically, the device is started by the motor 3, the crank 4 at the end of the output shaft of the motor 3 makes a circular motion along the shaft, the crank 4 rotates to connect the pull rod 5, and then the right rocker 7 is driven to have a transmission effect, the circular motion of the crank 4 is converted into the reciprocating swing of the rocker 7, the right rocker 7 drives the connecting rod 8 through the reciprocating swing, so that the left rocker 7 swings synchronously, the swing frequency and amplitude remain the same, then the two rockers 7 drive the two brush arms 9 through the corresponding pins 6, so that the brush arms 9 and the connected folding arms 10 can reciprocate in front of the window, and the wiper is additionally installed, so that the washing work can be completed, the decorative shell 19 can shield the connection between the brush arm 9 and the pin 6, increase the aesthetic appearance, in rainy and snowy weather, the inductor 12 senses the weather temperature, when the temperature approaches the set critical value, the wiper needs to be lifted to prevent freezing with the window, at this time, the electromagnet 13 is started, and a magnetic field is generated after power on, which generates an attractive force on the top rod 14, so that the top rod 14 moves downward along the inside of the electromagnet 13 in a straight line, and the top rod 14 is retracted, the top rod 14 drives the rotating rod 16 to move, and the rotating rod 16 moves to make the folding arm 10 rotate around the connection between the brush arm 9 and the folding arm 10 as the center, so as to lift the folding arm 10, and realize convenient control of the folding arm 10, when the electromagnet 13 is powered off, the folding arm 10 is reset by the elastic force of the spring 15, so as to avoid manual processing of the lifting and falling of the wiper arm.

[0033] Referring to Figure 1 , Figure 4 and Figure 5The buckle mechanism 2 comprises two connecting blocks 201 fixedly connected to the top ends of the corresponding folding arms 10, the connecting blocks 201 serve to quickly connect and detach, cavities 202 are formed in the interiors of the two connecting blocks 201, wedge-shaped push rods 203 are slidably connected to the interiors of the two cavities 202, the front ends of the two wedge-shaped push rods 203 penetrate the cavities 202, spring 204 is fixedly connected to the rear ends of the two wedge-shaped push rods 203, the wedge-shaped push rods 203 are pressed to extrude the spring 204, the other ends of the two spring 204 are fixedly connected to the cavities 202, the spring 204 can reset the wedge-shaped push rods 203, wedge-shaped clamping blocks 205 are slidably connected to the left and right sides of the two cavities 202, spring 206 is fixedly connected to the left and right sides of the two cavities 202, the other ends of the plurality of spring 206 are fixedly connected to the corresponding wedge-shaped clamping blocks 205, the spring 206 can reset the wedge-shaped clamping blocks 205, the rear ends of the plurality of wedge-shaped clamping blocks 205 penetrate the cavities 202, sliding blocks 207 are slidably connected to the inner sides of the two connecting blocks 201, clamping grooves 208 are formed in the left and right sides of the two sliding blocks 207, the wedge-shaped clamping blocks 205 and the clamping grooves 208 can fix the sliding blocks 207, pressing pads 22 are fixedly connected to the front ends of the two wedge-shaped push rods 203, indicator lights 23 are fixedly connected to the right ends of the two connecting blocks 201.

[0034] Specifically, in the process of replacing the wiper strip, the wiper strip is connected to the connecting block 201 through the sliding block 207, and the wedge-shaped push rod 203 can be pressed more conveniently through the pressing pad 22, so that the wedge-shaped push rod 203 moves backward, thereby extruding the wedge-shaped clamping blocks 205 on both sides, the wedge-shaped clamping blocks 205 move to both sides, the spring 206 is pressed, and the wedge-shaped clamping blocks 205 are separated from the clamping groove 208, so that the fixing and control of the sliding block 207 are lost, then the wedge-shaped push rod 203 is reset under the action of the spring 204, and the wedge-shaped clamping blocks 205 are reset through the spring 206 when the extrusion force is lost, when the wiper strip needs to be reinstalled, the sliding block 207 is slid into the inner side of the connecting block 201 at the top of the folding arm 10, when the wedge-shaped clamping blocks 205 in the connecting block 201 contact the sliding block 207, the spring 206 is extruded, the wedge-shaped clamping blocks 205 are displaced, when the sliding block 207 moves to the position where the clamping groove 208 coincides with the wedge-shaped clamping blocks 205, the wedge-shaped clamping blocks 205 are combined with the clamping groove 208 through the rebound of the spring 206, so as to fix the position of the sliding block 207, so that the wiper strip is quickly and conveniently detached and replaced, and the indicator light 23 can display the swing frequency of the wiper according to the set color, so as to conveniently confirm the working state of the wiper.

[0035] Reference Figure 3The outer wall front side of the two dowels 6 is provided with a threaded groove 17, and the outer wall front side of the two dowels 6 is threadedly connected with a nut 18, the connection of the nut 18 and the threaded groove 17 can fix the brush arm 9, the bottom of the two housings 11 is provided with a wire groove 20, and the bottom of the two housings 11 is fixedly connected with a sealing ring 21;

[0036] Specifically, the nut 18 is locked by thread connection, which ensures the stability of the connection between the brush arm 9 and the dowel 6, and avoids loosening caused by vibration. The wire groove 20 allows the wire to pass through and be connected with the electromagnet 13 to supply power to the electromagnet 13. The sealing ring 21 seals the excess part in the wire groove 20 except the wire, preventing water and dust from entering the housing 11.

[0037] Referring to Figure 1 , Figure 2 and Figure 4 , the rear end of the two sliding blocks 207 is fixedly connected with a support 24, the support 24 provides support force for the whole wiper, the upper and lower ends of the two supports 24 are fixedly connected with a fixed block 25, the fixed block 25 is used to firmly fix the two ends of the blade 27, the rear end of the two supports 24 is fixedly connected with a skeleton 26, and the rear side of the plurality of skeletons 26 is fixedly connected with the blade 27.

[0038] Specifically, the skeleton 26 can provide uniform support force for the blade 27 through the connection of the support 24, and the fixed blocks 25 on both sides can further fix the two ends of the blade 27, so that the blade 27 will not fall off during the working process.

[0039] Working principle: the device through the start motor 3, make motor 3 output shaft end of the crank 4 with the axis of circular motion, crank 4 rotation connecting pull rod 5, again through the pull rod 5 on the right side of the rocker 7 play transmission effect, the crank 4 of the circular motion into the reciprocating swing of rocker 7, the right side of the rocker 7 through the reciprocating swing drive connecting rod 8 on the left side of the rocker 7 transmission, make the left side of the rocker 7 and the right side of the rocker 7 swing, and the same swing frequency and amplitude, then both sides of the rocker 7 again through the corresponding pin 6 drive both sides of the brush arm 9 swing together, so that the brush arm 9 and the connected folding arm 10 can be in front of the window reciprocating swing, plus the wiper can complete the washing work, when it rains, through the inductor 12 weather temperature, when the weather temperature close to the set threshold, need to be raised to prevent the wiper and the window freeze together, at this time through the start electromagnet 13, so that the electromagnet 13 power after the generation of magnetic field on the top rod 14 produce an attractive force, this force will make the top rod 14 along the electromagnet 13 inside downward linear motion, thus realizing the top rod 14 retract, thus the top rod 14 drive rotating rod 16 movement, through the transmission of force, rotating rod 16 movement will drive folding arm 10 with the brush arm 9 connection as the center of rotation, so as to lift the folding arm 10, folding arm 10 realize more convenient control, can be de-energized after the electromagnet 13, the top rod 14 will be through the spring one 15 elastic folding arm 10 reset, avoid manual processing wiper arm lifting and falling;

[0040] And when the need to replace the wiper strip, the wiper strip through the slider 207 and the connecting block 201 is connected, by pressing the wedge-shaped push rod 203, so that the wedge-shaped push rod 203 move backward, so as to extrude both sides of the wedge-shaped block 205, so that the wedge-shaped block 205 to both sides of the spring three 206 extrusion, at the same time, off the card slot 208, lose the fixed control of the slider 207, the wedge-shaped push rod 203 again through the spring two 204 reset, the wedge-shaped block 205 lose extrusion force through the spring three 206 reset, need to install the wiper strip fixed again, the slider 207 is slid into the connecting block 201 inside the top of the folding arm 10, when the connecting block 201 inside the wedge-shaped block 205 contact slider 207, will extrude the spring three 206, make the wedge-shaped block 205 displacement, when the slider 207 moves to the card slot 208 and the position of the wedge-shaped block 205 coincide, the wedge-shaped block 205 will be through the spring three 206 rebound, and the card slot 208 with the fixed slider 207 position, can quickly disassemble and replace the wiper strip.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A wiper arm lift control structure comprising a carrier (1), characterized in that: The front end of the brush holder (1) is fixedly connected with a motor (3), the output end of the motor (3) penetrates the brush holder (1) and is fixedly connected with a crank (4), the front end of the brush holder (1) is rotatably connected with a pin (6) on the left and right sides, the rear end of the two pins (6) penetrates the brush holder (1) and is fixedly connected with a rocker (7), the adjacent side of the rocker (7) on the right side is rotatably connected with the same pull rod (5) as the crank (4), the rear end of the two rockers (7) is rotatably connected with the same connecting rod (8) on the upper middle part, the outer wall of the two pins (6) is fixedly connected with a brush arm (9) on the front side, the top end of the two brush arms (9) is rotatably connected with a folding arm (10), the front end of the two brush arms (9) is fixedly connected with a shell (11) on the upper middle part, the inside top end of the two shells (11) is fixedly connected with an electromagnet (13), the inside of the two electromagnets (13) is slidably connected with a top rod (14), the top of the two top rods (14) penetrates the shell (11), the bottom end of the two top rods (14) is fixedly connected with a spring (15), the other end of the two springs (15) is fixedly connected with the corresponding shell (11), the left and right sides of the two top rods (14) are rotatably connected with a rotating rod (16) on the upper middle part, the adjacent side of the two rotating rods (16) is rotatably connected with the folding arm (10), the top of the brush holder (1) is provided with a buckle mechanism (2), and the buckle mechanism (2) is used for quickly connecting the wiper.

2. A wiper arm lift control structure according to claim 1, characterized in that: The buckle mechanism (2) comprises two connecting blocks (201), the top end of the two connecting blocks (201) is fixedly connected with the corresponding folding arm (10), the inside of the two connecting blocks (201) is provided with a cavity (202), the inside of the two cavities (202) is slidably connected with a wedge-shaped push rod (203) on the front side, the front end of the two wedge-shaped push rods (203) penetrates the cavity (202), the rear end of the two wedge-shaped push rods (203) is fixedly connected with a spring (204), the other end of the two springs (204) is fixedly connected with the cavity (202), the left and right sides of the two cavities (202) are slidably connected with a wedge-shaped clamping block (205), the left and right sides of the two cavities (202) are fixedly connected with a spring (206), the other end of the plurality of springs (206) is fixedly connected with the corresponding wedge-shaped clamping block (205), the rear end of the plurality of wedge-shaped clamping blocks (205) penetrates the cavity (202) on the adjacent side, the inside of the two connecting blocks (201) is slidably connected with a sliding block (207), and the left and right sides of the two sliding blocks (207) are provided with a clamping groove (208).

3. A wiper arm lift control structure according to claim 1, wherein: The front end of the two shells (11) is fixedly connected with an inductor (12), and the front end of the two brush arms (9) is fixedly connected with a decorative shell (19) on the lower middle part.

4. The wiper arm lift control structure of claim 1, wherein: The front side of the outer wall of the two pins (6) is provided with a threaded groove (17), and the front side of the outer wall of the two pins (6) is threadedly connected with a nut (18).

5. A lift-up control structure for a rain-sensor arm according to claim 1, characterized in that: The bottom of each of the two shell bodies (11) is provided with a circuit slot (20), and the bottom of each of the two shell bodies (11) is fixedly connected with a sealing ring (21).

6. A wiper arm lift control structure according to claim 2, wherein: The front end of each of the two wedge-shaped push rods (203) is fixedly connected with a pressing pad (22), and the right end of each of the two connecting blocks (201) is fixedly connected with an indicator lamp (23).

7. A wiper arm lift control structure according to claim 2, wherein: The rear end of each of the two sliding blocks (207) is fixedly connected with a support (24), and the upper and lower ends of each of the two supports (24) are fixedly connected with a fixed block (25).

8. A wiper arm lift control structure according to claim 7, wherein: The upper and lower sides of the rear end of each of the two supports (24) are fixedly connected with a framework (26), and the rear side of each of the plurality of frameworks (26) is fixedly connected with a scraping piece (27).

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