阅读说明：本技术 一种车窗玻璃断电下降装置 (Power-off descending device for car window glass ) 是由 张来发 于 2020-04-21 设计创作，主要内容包括：本发明公开了一种车窗玻璃断电下降装置,包括控制转换装置、玻璃升降装置和开关装置,开关装置和控制转换装置通过门锁拉绳连接,控制转换装置和玻璃升降装置之间通过玻璃升降拉绳连接,控制转换装置包括电磁铁、微动开关、垫块、连接块、滑动轴,玻璃升降装置包括电机、蜗杆、涡轮、齿轮、单向阻挡件、互相齿条和涡卷弹簧。本发明在车辆在断电状态下,拉动车门内部的门把手,即可把玻璃降下来,从而在车辆完全进水的状态下,车内人员从车窗中爬出来以达到自救的目的。(The invention discloses a vehicle window glass power-off descending device which comprises a control conversion device, a glass lifting device and a switch device, wherein the switch device is connected with the control conversion device through a door lock pull rope, the control conversion device is connected with the glass lifting device through the glass lifting pull rope, the control conversion device comprises an electromagnet, a microswitch, a cushion block, a connecting block and a sliding shaft, and the glass lifting device comprises a motor, a worm, a turbine, a gear, a one-way blocking piece, mutual racks and a volute spiral spring. When the vehicle is in a power-off state, the glass can be lowered by pulling the door handle inside the vehicle door, so that personnel in the vehicle climbs out of the vehicle window to achieve the purpose of self rescue in the state that the vehicle completely enters water.)

1. A window glass power-off lowering device, comprising:

the control conversion device (2) comprises an outer shell (201), a sliding shaft (206) is fixedly arranged in the outer shell (201), a cushion block (202) and a connecting block (203) are sleeved on the sliding shaft (206), an electromagnet (204) is fixedly arranged on the connecting block (203), a microswitch (205) is fixedly arranged on the outer shell (201), the electromagnet (204) is electrically connected with the microswitch (205), the connecting block (203) is in contact with a switch button of the microswitch (205), the microswitch (205) is in an off state when the switch button is in a pressed state, the microswitch (205) is in an on state when the switch button is in a loosened state, the electromagnet (204) is connected with a telescopic shaft (209), the connecting block (203) is fixedly connected with a pull block (208), an opening (2081) is formed in the pull block (208), the telescopic shaft (209) penetrates through the opening (2081) in an extending state, a stop block (210) is further fixedly arranged on the cushion block (202), the telescopic shaft (209) penetrates through the stop block (210), the stop block (210) is positioned between the electromagnet (204) and the pull block (208), a second compression spring (211) is sleeved on the telescopic shaft (209), the second compression spring (211) is positioned between the electromagnet (204) and the stop block (210), and the diameter of the contact part of the telescopic shaft (209) and the stop block (210) is larger than the inner diameter of the second compression spring (211);

glass-frame riser device (3), glass-frame riser device (3) includes base (301), be equipped with motor (302) and lifting unit on base (301), motor (302) is connected with worm (303), lifting unit includes turbine (304) and gear assembly, worm (303) can drive turbine (304) and rotate, be equipped with spiral spring (305) and pivot (306) in turbine (304), spiral spring (305) one end and turbine (304) fixed connection, spiral spring (305) other end and pivot (306) fixed connection, spiral spring (305) top is equipped with end cover (307), end cover (307) top is equipped with gear (308), pivot (306) pass end cover (307) and gear (308), fixed runner (312) that is equipped with on pivot (306), runner (312) periphery is equipped with teeth of a cogwheel (3121), the gear teeth (3121) are inclined towards the same direction, a one-way blocking piece (311) is rotatably arranged on the end cover (307), the middle part of the one-way blocking piece (311) is provided with a convex tooth which is mutually contacted with the gear teeth (3121), the head of the one-way blocking piece (311) is connected with one end of an extension spring (313), the other end of the extension spring (313) is fixed on the end cover (307), the head and the tail of the one-way blocking piece (311) are contacted with the limiting strip (3081), the limiting bar (3081) is fixedly connected with the gear (308), the rotating wheel (312), the extension spring (313) and the limiting bar (3081) are all arranged on the same side of the one-way blocking piece (311), the base (301) is also provided with an arc-shaped rack (309), one end of the arc-shaped rack (309) is hinged with the base (301), and the other end of the arc-shaped rack (309) is contacted with the gear (308);

the switch device (1) is connected with the door lock pull rope (4), and the door lock pull rope (4) penetrates through the outer shell (201) and is fixedly connected with the connecting block (203);

glass lift stay cord (5), glass lift stay cord (5) one end and cushion (202) fixed connection, the other end and arc rack (309) fixed connection, be equipped with stay cord fixed strip (317) on base (301), glass lift stay cord (5) joint is in stay cord fixed strip (317), fixed third compression spring (316) that is equipped with between stay cord fixed strip (317) and arc rack (309).

2. The power-off descending device for vehicle window glass according to claim 1, wherein: the gear (308) inner ring is equipped with annular strip (3082), gear (308) center still is equipped with collar (3083), collar (3083) and one spacing strip (3081) fixed connection, pivot (306) pass collar (3083), runner (312) are located collar (3083) top, one-way blocking piece (311) are articulated with end cover (307) through first stop screw (310), still fixed second stop screw (315) that is equipped with on end cover (307), first stop screw (310) and second stop screw (315) all contact with annular strip (3082), and the head of first stop screw (310) and second stop screw (315) is located annular strip (3082) top, and can restrict annular strip (3082) rebound.

3. The power-off descending device for vehicle window glass according to claim 1, wherein: the middle part of the rotating wheel (312) is provided with a waist-shaped hole (3122), the rotating shaft (306) is provided with a waist-shaped part (3062) which is matched with the waist-shaped hole (3122), and the waist-shaped part (3062) penetrates through the waist-shaped hole (3122).

4. The power-off descending device for vehicle window glass according to claim 1, wherein: the lifting component is detachably arranged on the base (301).

5. The power-off descending device for vehicle window glass according to claim 1, wherein: the lower part of the rotating shaft (306) is provided with a vertical clamping groove (3061), and one end of the spiral spring (305) is inserted into the clamping groove (3061).

6. The power-off descending device for vehicle window glass according to claim 1, wherein: the second compression spring (211) is a conical compression spring, and the inner diameter of each coil of the conical compression spring is larger than or equal to the outer diameter of the adjacent previous coil.

7. The power-off descending device for vehicle window glass according to claim 1, wherein: a first compression spring (207) is arranged between the connecting block (203) and the inner wall of the outer shell (201), and the sliding shaft (206) is sleeved with the first compression spring (207).

8. The power-off descending device for vehicle window glass according to claim 1, wherein: the connecting block (203) and the pulling block (208) are integrally formed, and the connecting block (203) and the pulling block (208) are perpendicular to each other.

9. The power-off descending device for vehicle window glass according to claim 1, wherein: the distance between the telescopic shaft (209) and the right end of the opening (2081) is larger than the loosening stroke of the switch button.

Technical Field

The invention belongs to the technical field of vehicle window glass lifting devices, and particularly relates to a vehicle window glass power-off descending device.

Background

The existing window glass can be lifted through a glass lifting button only under the condition that a vehicle is powered on, and the window glass cannot be lifted under the condition that the vehicle is powered off. However, in an emergency situation, for example, the vehicle falls into a lake or a river due to an accident, at this time, since the whole vehicle is in water, the circuit is broken, and at this time, the person in the vehicle cannot escape from the vehicle because the windows of the vehicle are in a closed state. Therefore, it is necessary to provide a device for lowering a window glass of a vehicle in a power-off state.

Disclosure of Invention

The invention aims to provide a vehicle window glass power-off descending device, which solves the problems in the background technology.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a window glass power-off lowering device comprising:

the control conversion device comprises an outer shell, a sliding shaft is fixedly arranged in the outer shell, a cushion block and a connecting block are sleeved on the sliding shaft, an electromagnet is fixedly arranged on the connecting block, a microswitch is further fixedly arranged on the outer shell and is electrically connected with the microswitch, the connecting block is in contact with a switch button of the microswitch, the microswitch is in an off state when the switch button is in a pressed state, the microswitch is in an on state when the switch button is in a loosened state, the electromagnet is connected with a telescopic shaft, the connecting block is fixedly connected with a pull block, an opening is formed in the pull block, the telescopic shaft penetrates through the opening when the telescopic shaft is in an extended state, a stop block is further fixedly arranged on the cushion block and penetrates through the stop block, the stop block is positioned between the electromagnet and the pull block, and a second compression spring is sleeved on the telescopic shaft, the second compression spring is positioned between the electromagnet and the stop block, and the diameter of the contact part of the telescopic shaft and the stop block is larger than the inner diameter of the second compression spring;

the glass lifting device comprises a base, a motor and a lifting assembly are arranged on the base, the motor is connected with a worm, the lifting assembly comprises a turbine and a gear assembly, the worm can drive the turbine to rotate, a volute spring and a rotating shaft are arranged in the turbine, one end of the volute spring is fixedly connected with the turbine, the other end of the volute spring is fixedly connected with the rotating shaft, an end cover is arranged above the volute spring, a gear is arranged above the end cover, the rotating shaft penetrates through the end cover and the gear, a rotating wheel is fixedly arranged on the rotating shaft, gear teeth are arranged on the periphery of the rotating wheel and incline towards the same direction, an one-way blocking piece is rotatably arranged on the end cover, convex teeth are arranged in the middle of the one-way blocking piece and are in contact with the gear teeth, the head of the one-way blocking piece, the other end of the extension spring is fixed on the end cover, the head and the tail of the one-way blocking piece are in mutual contact with the limiting strip, the limiting strip is fixedly connected with the gear, the rotating wheel, the extension spring and the limiting strip are arranged on the same side of the one-way blocking piece, the base is also provided with an arc-shaped rack, one end of the arc-shaped rack is hinged with the base, and the other end of the arc-shaped rack is in mutual contact with the gear;

the switch device is connected with a door lock pull rope, and the door lock pull rope penetrates through the outer shell and is fixedly connected with the connecting block;

the glass lifting pull rope comprises a glass lifting pull rope, one end of the glass lifting pull rope is fixedly connected with the cushion block, the other end of the glass lifting pull rope is fixedly connected with the arc-shaped rack, a pull rope fixing strip is arranged on the base, the glass lifting pull rope is clamped in the pull rope fixing strip, and a third compression spring is fixedly arranged between the pull rope fixing strip and the arc-shaped rack.

On the basis of the above scheme and as the preferred scheme of above scheme, the gear inner circle is equipped with annular strip, the gear center still is equipped with the collar, collar and a spacing strip fixed connection, the pivot passes the collar, the runner is located the collar top, one-way blocking piece is articulated through first stop screw and end cover, still fixed second stop screw that is equipped with on the end cover, first stop screw and second stop screw all contact with annular strip, and the head of first stop screw and second stop screw is located annular strip top, and can restrict annular strip rebound.

On the basis of the above scheme and as a preferred scheme of the above scheme, a waist-shaped hole is formed in the middle of the rotating wheel, a waist-shaped portion matched with the waist-shaped hole is formed in the rotating shaft, and the waist-shaped portion penetrates through the waist-shaped hole.

On the basis of the above scheme and as a preferable scheme of the above scheme, the lifting assembly is detachably arranged on the base.

On the basis of the above scheme and as a preferred scheme of the above scheme, a vertical clamping groove is formed in the lower portion of the rotating shaft, and one end of the spiral spring is inserted into the clamping groove.

Further, the second compression spring is a conical compression spring, and the inner diameter of each coil of the conical compression spring is larger than or equal to the outer diameter of the adjacent previous coil.

Furthermore, a first compression spring is arranged between the connecting block and the inner wall of the outer shell, and the sliding shaft is sleeved with the first compression spring.

Furthermore, the connecting block and the pulling block are integrally formed, and the connecting block and the pulling block are perpendicular to each other.

Furthermore, the distance between the telescopic shaft and the right end of the opening is larger than the loosening stroke of the switch button.

The invention has the following beneficial effects: when the vehicle is in a power-off state, the glass can be lowered by pulling the door handle inside the vehicle door, so that the vehicle climbs out of the vehicle window in a state that the vehicle completely enters water to achieve the purpose of self rescue; the power-off descending device for the vehicle window glass can descend the glass by directly utilizing the vehicle door handle, is convenient and easy to use, and does not need to be additionally provided with other operating devices in a vehicle; utilize the spiral spring energy storage, when glass rose, the spiral spring was screwed up along with together, played the purpose of energy storage, and when the outage, the spiral spring released the energy of storage, fell glass.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the control conversion device.

Fig. 3 is a schematic structural diagram of the control conversion device with the outer shell removed.

Fig. 4 is a front view of the control changeover device.

Fig. 5 is a sectional view taken along line a-a in fig. 4.

Fig. 6 is a sectional view taken along line B-B in fig. 4.

Fig. 7 is a front view of the glass-lifting device.

Fig. 8 is a schematic structural view of the glass-frame lifting device.

Fig. 9 is an exploded view of the glass-frame lifting device.

Fig. 10 is a schematic view of the structure of the gear assembly.

Fig. 11 is a schematic structural view of a gear.

FIG. 12 is a schematic view of the structure of the turbine, the spiral spring and the rotating shaft.

Fig. 13 is a schematic structural view of the rotating shaft.

Fig. 14 is a schematic structural view of the rotary wheel.

The reference numbers are as follows:

1. a switching device;

2. a control conversion device; 201. an outer housing; 202. cushion blocks; 203. connecting blocks; 204. an electromagnet; 205. a microswitch; 206. a sliding shaft; 207. a first compression spring; 208. pulling the block; 2081. an opening; 209. a telescopic shaft; 210. a stopper; 211. a second compression spring;

3. a glass lifting device; 301. a base; 302. a motor; 303. a worm; 304. a turbine; 305. a volute spiral spring; 306. a rotating shaft; 3061. a card slot; 3062. a waist-shaped portion; 307. an end cap; 308. a gear; 3081. a limiting strip; 3082. an annular strip; 3083. a collar; 309. an arc-shaped rack; 310. a first limit screw; 311. a one-way barrier; 312. a rotating wheel; 3121. gear teeth; 3122. a waist-shaped hole; 313. an extension spring; 314. fixing a column; 315. a second limit screw; 316. a third compression spring; 317. a pull rope fixing strip;

4. a door lock pull rope;

5. glass lifting rope.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 14, a window glass power-off lowering device includes:

the control conversion device 2 comprises an outer shell 201, a sliding shaft 206 is fixedly arranged in the outer shell 201, a cushion block 202 and a connecting block 203 are sleeved on the sliding shaft 206, an electromagnet 204 is fixedly arranged on the connecting block 203, a micro switch 205 is further fixedly arranged on the outer shell 201, the electromagnet 204 is electrically connected with the micro switch 205, the connecting block 203 is in contact with a switch button of the micro switch 205, the micro switch 205 is in an off state when the switch button is in a pressed state, the micro switch 205 is in an on state when the switch button is in a released state, the electromagnet 204 is connected with a telescopic shaft 209, the connecting block 203 is fixedly connected with a pull block 208, an opening 2081 is arranged on the pull block 208, the telescopic shaft 209 penetrates through an opening 2081 when the telescopic shaft is in an extended state, a stop block 210 is further fixedly arranged on the cushion block 202, and the telescopic shaft 209 penetrates through the stop block 210, the stop block 210 is positioned between the electromagnet 204 and the pull block 208, a second compression spring 211 is sleeved on the telescopic shaft 209, the second compression spring 211 is positioned between the electromagnet 204 and the stop block 210, and the diameter of the contact part of the telescopic shaft 209 and the stop block 210 is larger than the inner diameter of the second compression spring 211;

when the door handle of the switch device is pulled in a power-on state, the door handle pulls the door lock pull rope, the door lock pull rope is fixedly connected with the connecting block, the connecting block is pulled to slide along the sliding shaft, at the moment, the button of the micro switch is released, because the micro switch is in a switch-on state in a release state, the electromagnet immediately works to pull the telescopic shaft back, the cushion block cannot be driven to slide together after the telescopic shaft is pulled back, the glass lifting pull rope is fixedly connected with the cushion block, at the moment, the glass lifting pull rope cannot be pulled, and the door lock pull rope pulls the door lock to open the door;

in the power-off state, the door handle of the switch device is pulled, the door lock pull rope is pulled by the door handle, the connecting block is pulled to slide along the sliding shaft, at the moment, in the power-off state, even if the button of the microswitch is loosened, the electromagnet cannot work, the telescopic shaft cannot be pulled back by the electromagnet, the cushion block is driven by the telescopic shaft to move along the sliding shaft, and the glass lifting pull rope is pulled because the glass lifting pull rope is fixedly connected with the cushion block;

after the door handle of the switch device is loosened, the door lock pull rope moves in the opposite direction under the action of the counterforce of the door lock, and the connecting block and the cushion block are driven to return to the original positions.

The glass lifting device 3 comprises a base 301, a motor 302 and a lifting assembly are arranged on the base 301, the motor 302 is connected with a worm 303, the lifting assembly comprises a turbine 304 and a gear assembly, the worm 303 can drive the turbine 304 to rotate, a scroll spring 305 and a rotating shaft 306 are arranged in the turbine 304, one end of the scroll spring 305 is fixedly connected with the turbine 304, the other end of the scroll spring 305 is fixedly connected with the rotating shaft 306, an end cover 307 is arranged above the scroll spring 305, a gear 308 is arranged above the end cover 307, the rotating shaft 306 penetrates through the end cover 307 and the gear 308, a rotating wheel 312 is fixedly arranged on the rotating shaft 306, gear teeth 3121 are arranged on the periphery of the rotating wheel 312, the gear teeth 3121 incline towards the same direction, a one-way blocking piece 311 is rotatably arranged on the end cover 307, and a convex tooth is arranged in the middle of the, the convex teeth are in mutual contact with the gear teeth 3121, the head of the one-way blocking piece 311 is connected with one end of an extension spring 313, the other end of the extension spring 313 is fixed on the end cover 307, the head and the tail of the one-way blocking piece 311 are in mutual contact with a limiting strip 3081, the limiting strip 3081 is fixedly connected with a gear 308, the rotating wheel 312, the extension spring 313 and the limiting strip 3081 are all arranged on the same side of the one-way blocking piece 311, the base 301 is further provided with an arc-shaped rack 309, one end of the arc-shaped rack 309 is hinged to the base 301, and the other end of the arc-shaped rack;

under the circular telegram circumstances, press glass-frame riser switch, the motor will work, drives the worm and rotates, and the worm drives the turbine and rotates, because volute spiral spring and turbine fixed connection, at this moment, volute spiral spring will tighten up, when volute spiral spring tightens up the limit, will drive the pivot and rotate together, and the pivot will drive glass and rise. The spiral spring completes energy storage in the process of tightening. After the glass lifting switch is loosened, the convex teeth of the one-way blocking piece are mutually abutted with the gear teeth of the rotating wheel to limit the rotating wheel to rotate reversely, at the moment, the rotating shaft connected with the rotating wheel is also limited to rotate reversely, and thus the volute spiral spring is always in a tightened state after the glass is lifted.

In case of power failure, if a person in the vehicle needs to lower the window glass in an emergency, only the door handle of the opening and closing apparatus needs to be pulled, and at this time, the glass lifting rope is pulled, the glass lifting rope pulls the arc-shaped rack, the arc-shaped rack is contacted with the gear, the gear is driven to rotate together, one end of the one-way blocking piece is hinged with the end cover, the other end of the one-way blocking piece is contacted with the limiting strip on the gear, the limiting strip enables the one-way blocking piece to move towards the same direction, the convex teeth on the one-way blocking piece are separated from the gear teeth of the rotating wheel at the moment, the rotating wheel cannot rotate at present, under the condition that no external force blocks, the volute spiral spring in the tightening state is changed into the loosening state from the tightening state, and the volute spiral spring drives the rotating shaft to rotate reversely together to enable the glass to fall down, so that the glass is lowered down under the condition of power failure.

The switch device 1 is connected with a door lock pull rope 4, and the door lock pull rope 4 penetrates through the outer shell 201 and is fixedly connected with the connecting block 203;

glass-frame riser stay cord 5, 5 one end and cushion 202 fixed connection of glass-frame riser stay cord, the other end and arc rack 309 fixed connection, be equipped with stay cord fixed strip 317 on the base 301, 5 joints of glass-frame riser stay cord are in stay cord fixed strip 317, the fixed third compression spring 316 that is equipped with between stay cord fixed strip 317 and the arc rack 309.

An annular bar 3082 is arranged on the inner ring of the gear 308, a collar 3083 is further arranged in the center of the gear 308, the collar 3083 is fixedly connected with a limiting bar 3081, the rotating shaft 306 penetrates through the collar 3083, the rotating wheel 312 is positioned above the collar 3083, the one-way blocking piece 311 is hinged with the end cover 307 through a first limiting screw 310, a second limiting screw 315 is further fixedly arranged on the end cover 307, the first limiting screw 310 and the second limiting screw 315 are both in contact with the annular bar 3082, the heads of the first limiting screw 310 and the second limiting screw 315 are positioned above the annular bar 3082 and can limit the annular bar 3082 to move upwards, and the first limiting screw and the second limiting screw and the annular bar move the gear upwards together to install the gear above the turbine; the collar is used to ensure that the gear is coaxial with the turbine for positioning the gear.

The middle of the rotating wheel 312 is provided with a waist-shaped hole 3122, the rotating shaft 306 is provided with a waist-shaped portion 3062 matched with the waist-shaped hole 3122, the waist-shaped portion 3062 penetrates through the waist-shaped hole 3122, and when the rotating shaft rotates, the waist-shaped portion and the waist-shaped hole are matched with each other to drive the rotating wheel to rotate together.

The lifting assembly is detachably arranged on the base 301, so that the whole lifting assembly can be conveniently mounted and dismounted.

The lower portion of the rotating shaft 306 is provided with a vertical clamping groove 3061, one end of the spiral spring 305 is inserted into the clamping groove 3061, the spiral spring drives the rotating shaft to rotate together when rotating, and other fixing modes are not needed.

The second compression spring 211 is a conical compression spring, the inner diameter of each ring of the conical compression spring is larger than or equal to the outer diameter of the adjacent last ring, when the conical compression spring is completely compressed, each ring of the conical compression spring is positioned on one plane, excessive space cannot be occupied, and the telescopic stroke of the telescopic shaft is increased.

A first compression spring 207 is arranged between the connecting block 203 and the inner wall of the outer shell 201, the first compression spring 207 is sleeved on the sliding shaft 206, and the first compression spring can ensure that the cushion block and the connecting block automatically return to the original positions when the door handle is loosened.

The connecting block 203 and the pulling block 208 are integrally formed, and the connecting block 203 and the pulling block 208 are arranged perpendicularly to each other.

The distance between the telescopic shaft 209 and the right end of the opening 2081 is larger than the loosening stroke of the switch button, so that the telescopic shaft cannot preferentially touch the side wall of the opening before the button of the microswitch is loosened, and the sensitivity of the whole device is improved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.