CN108237958B

CN108237958B - Bus handle with adjustable height

Info

Publication number: CN108237958B
Application number: CN201810014515.5A
Authority: CN
Inventors: 不公告发明人
Original assignee: Woyang Linye Trading Co Ltd
Current assignee: Woyang Linye Trading Co., Ltd
Priority date: 2018-01-08
Filing date: 2018-01-08
Publication date: 2020-09-22
Anticipated expiration: 2038-01-08
Also published as: CN108237958A

Abstract

A bus handle with adjustable height belongs to the field of bus accessories. The novel electric wrench is characterized by comprising a double-shaft motor, a transmission case, a hanging bracket, a positioning bolt, a height conversion assembly, a handle, an adjusting assembly, a sleeve, a first worm wheel, a second worm wheel and a photoelectric sensor, wherein the sleeve is sleeved on the hanging bracket, the first worm wheel and the second worm wheel are arranged at two ends of the sleeve respectively, the height conversion assembly is connected onto the sleeve, the handle is connected to the lower end of the height conversion assembly, the adjusting assembly is arranged on the handle, the transmission case is installed on the hanging bracket, the double-shaft motor is installed at the middle position of the transmission case, the transmission case is connected with the hanging bracket through the positioning bolt, the double-shaft motor can effectively guarantee the synchronism of the first worm wheel and the second worm wheel, meanwhile, the thickness of a grab handle can be adjusted by the adjusting assembly, and the height of the handle can be adjusted.

Description

Bus handle with adjustable height

Technical Field

The invention relates to a height-adjustable bus handle, and belongs to the field of bus accessories.

Background

At present, public transportation in China is not developed enough and cannot reach the degree of providing one seat for each passenger. In most cases, there are still a large number of passengers who have to stand for a long time during the travel of the vehicle, whether it be a bus or a rail transit vehicle. The passengers can not stand stably due to the fact that the road surface is uneven, the vehicles suddenly accelerate or decelerate, the vehicles turn, the passengers are crowded and the like, and a handle is provided for the standing passengers to be a simple method for solving the problem that the passengers are not easy to stand stably.

At present bus handle is the most common rope sling hangs handle perpendicularly down, because this type of bus handle is flexonics, do not often have a fixed atress direction, though can not hinder the pedestrian like rigid connection easily, but flexonics also can take place acutely to rock even holding the handle when the bus starts suddenly, bring very big inconvenience for the pedestrian, current bus handle grips comparatively firmly, be not convenient for hold for a long time, current bus handle often can touch near passenger's head when not using simultaneously, bring inconvenience for the passenger.

Meanwhile, the existing bus handle is fixed in height, and the adaptability of the existing bus handle is poor due to different heights of passengers, so that the bus handle with the adjustable height is needed.

Disclosure of Invention

In view of the above-mentioned deficiencies, the present invention provides a height adjustable bus handle.

The invention is realized by the following technical scheme: a height-adjustable bus handle comprises a double-shaft motor, a transmission case, a hanger, a positioning bolt, a height conversion assembly, a handle, an adjusting assembly, a sleeve, a first worm wheel, a second worm wheel and a photoelectric sensor, wherein the sleeve is sleeved on the hanger, the two ends of the sleeve are respectively provided with the first worm wheel and the second worm wheel, the sleeve is connected with the height conversion assembly, the lower end of the height conversion assembly is connected with the handle, the adjusting assembly is arranged on the handle, the transmission case is installed on the hanger, the double-shaft motor is installed at the middle position of the transmission case, the transmission case is connected with the hanger through the positioning bolt, the height conversion assembly comprises a sliding rail, a sliding column, a blocking opening, a button, a sliding cylinder, an electromagnet, a steel ball and a guide cylinder, the sliding rail is installed on two sides of the sliding column, the blocking opening is arranged on the sliding column, the sliding column is matched with the sliding cylinder, the sliding barrel is installed on the sleeve, a guide barrel is arranged on the outer side of the sliding barrel, a steel ball is placed in the guide barrel, an electromagnet is installed at the end of the guide barrel, the button is arranged on the handle, and the button is electrically connected with the electromagnet.

Furthermore, the transmission case is composed of two first bevel gears, two second bevel gears, a worm and a case body, the two first bevel gears are respectively installed on two output shafts of the double-shaft motor, the two second bevel gears are respectively meshed with the two second bevel gears, the two second bevel gears and the worm are coaxial, the two worms are respectively matched with the first worm wheel and the second worm wheel, and the worm is provided with two worms.

Furthermore, the handle is composed of a hollow groove and a grab handle, and the hollow groove is arranged above the grab handle.

Furthermore, the adjusting part comprises first screw rod, elasticity reed, spacing collar, regulating wheel, second screw rod, friction line and connecting block, first screw rod and second screw rod set up respectively in the both sides of regulating wheel, elasticity reed, spacing collar and connecting block all have two, the one end of elasticity reed is provided with the connecting block, and the other end is provided with the spacing collar, two connecting blocks are installed with first screw rod and second screw rod cooperation respectively, two spacing collars are installed with first screw rod and second screw rod cooperation respectively, the surface of regulating wheel is provided with the friction line.

Furthermore, the outer skin of the grab handle is made of rubber.

Still further, the connection between the height conversion assembly and the handle may be any one of a rigid connection, a flexible connection, and a hinge.

Further, the screw thread directions of the first screw and the second screw are opposite.

Still further, the lead angle of the worm is less than the equivalent friction angle between the teeth.

Furthermore, the guide cylinder is made of aluminum alloy.

The double-shaft electric motor has the beneficial effects that the double-shaft electric motor can effectively ensure the synchronism of the first worm wheel and the second worm wheel, meanwhile, the double-shaft electric motor is embedded in the transmission case, so that the appearance of the device can be in smooth transition, potential safety hazards are reduced as much as possible, meanwhile, the adjusting component can adjust the thickness of the grab handle, the height of the handle can be adjusted by the height conversion component to meet the requirements of people, the connecting rod and the handle can be transferred to the upper part of the hanging bracket when the device is not used, and the inconvenience brought to people when the handle is not used is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the apparatus;

FIG. 2 is a schematic view of a part of the structure of the device;

FIG. 3 is a bottom view of the transmission case and hanger;

FIG. 4 is a schematic view of the interior of the transfer box;

FIG. 5 is a schematic view of the adjustment assembly;

FIG. 6 is a schematic structural view of a spool portion of the height transition assembly;

FIG. 7 is a schematic view of the overall structure of the height transition assembly;

fig. 8 is a cross-sectional view of the height transition assembly.

In the figure, 1, a double-shaft motor, 2, a transmission case, 201, a first bevel gear, 202, a second bevel gear, 203, a worm, 204, a box body, 3, a hanger, 4, a positioning bolt, 5, a height conversion component, 501, a sliding rail, 502, a sliding column, 503, a blocking opening, 504, a button, 505, a sliding barrel, 506, an electromagnet, 507, a guide barrel, 6, a handle, 601, a hollow groove, 602, a grab handle, 7, an adjusting component, 701, a first screw, 702, an elastic reed, 703, a limiting ring, 704, an adjusting wheel, 705, a second screw, 706, a friction line, 707, a connecting block, 8, a sleeve, 9, a first worm gear, 10, a second worm gear, 11 and a photoelectric sensor.

Detailed Description

The height-adjustable bus handle is composed of a double-shaft motor 1, a transmission case 2, a hanging bracket 3, a positioning bolt 4, a height conversion assembly 5, a handle 6, an adjusting assembly 7, a sleeve 8, a first worm wheel 9, a second worm wheel 10 and a photoelectric sensor 11, wherein the sleeve 8 is sleeved on the hanging bracket 3, the two ends of the sleeve 8 are respectively provided with the first worm wheel 9 and the second worm wheel 10, the sleeve 8 is connected with the height conversion assembly 5, the lower end of the height conversion assembly 5 is connected with the handle 6, the handle 6 is provided with the adjusting assembly 7, the transmission case 2 is installed on the hanging bracket 3, the double-shaft motor 1 is installed at the middle position of the transmission case 2, the transmission case 2 is connected with the hanging bracket 3 through the positioning bolt 4, and the height conversion assembly 5 is composed of a sliding rail 501, a sliding column 502, a blocking opening 503, a button 504, a sliding cylinder 505, an electromagnet 506, The sliding device comprises a steel ball and a guide cylinder 507, sliding rails are mounted on two sides of a sliding column, a blocking opening 503 is formed in the sliding column 502, the sliding column 502 is matched with the sliding cylinder 505, the sliding cylinder 505 is mounted on a sleeve 8, the guide cylinder 507 is arranged on the outer side of the sliding cylinder 505, the steel ball is placed in the guide cylinder 507, an electromagnet 506 is mounted at the end of the guide cylinder 507, a button 504 is arranged on a handle 6, and the button 504 is electrically connected with the electromagnet 506.

Furthermore, the transmission case 2 is composed of a first bevel gear 201, two second bevel gears 202, two worms 203 and a case 204, the first bevel gears 201 are respectively installed on two output shafts of the biaxial motor 1, the second bevel gears 202 are two, the two first bevel gears 201 are respectively meshed with the two second bevel gears 202, the second bevel gears 202 and the worms 203 are coaxial, the worms 203 are two, and the two worms 203 are respectively matched with the first worm wheel 9 and the second worm wheel 10.

Furthermore, the handle 6 is composed of a hollow groove 601 and a handle 602, and the hollow groove 601 is arranged above the handle 602.

Furthermore, the adjusting assembly 7 is composed of a first screw 701, an elastic reed 702, a limiting ring 703, an adjusting wheel 704, a second screw 705, friction grains 706 and a connecting block 707, the first screw 701 and the second screw 702 are respectively arranged on two sides of the adjusting wheel 704, the elastic reed 702, the limiting ring 703 and the connecting block 707 are respectively two, the connecting block 707 is arranged at one end of the elastic reed 702, the limiting ring 703 is arranged at the other end of the elastic reed 702, the two connecting blocks 707 are respectively installed in a matched manner with the first screw 701 and the second screw 702, the two limiting rings 703 are respectively installed in a matched manner with the first screw 701 and the second screw 702, and the friction grains 706 are arranged on the surface of the adjusting wheel 704.

Further, the outer skin of the handle 602 is made of rubber.

Further, the connection between the height conversion assembly 5 and the handle 6 may be any one of a rigid connection, a flexible connection, and a hinge connection.

Further, the first screw 701 and the second screw 705 have opposite screw threads.

Further, the lead angle of the worm 203 is smaller than the equivalent friction angle between the teeth.

Furthermore, the guiding cylinder 507 is made of aluminum alloy.

The working principle is as follows: when the device works, a power supply is provided through a bus, whether a person is under the device is detected through a photoelectric sensor 11, if the person is under the device, the handle is in a normal state under the driving of a double-shaft motor 1, then a passenger can hold the handle 6, because different hands have different sizes, the handle can drive a connecting block 707 through rotating an adjusting wheel 704 of an adjusting component 7, and further the bending angle of an elastic reed 702 is changed, when the passenger needs to adjust the height, the passenger needs to hold the handle 6, press a button 504 on the handle 6, an electromagnet 506 works under the action of the button 504 to adsorb steel balls in a guide cylinder 507, at the moment, the steel balls in the guide cylinder 507 can not limit a blocking opening 503 any more, a sliding column 502 can move up and down in the sliding cylinder 505, when the sliding column moves to a proper position, the button 504 is released, the electromagnet 506 does not adsorb the steel balls, and the steel balls fall onto the blocking opening 503 through the guide cylinder, at this time, the strut 502 is limited, so that the passenger can adjust to a proper position, when the passenger leaves, the photoelectric sensor 11 detects that the passenger leaves, the handle 6 is in an inverted state under the driving of the double-shaft motor 1, and the normal action of the passenger under the hanger 3 cannot be influenced.

It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.

Claims

1. The utility model provides a bus handle with adjustable height, is by biax motor, transmission case, gallows, positioning bolt, height change subassembly, handle, adjusting part, sleeve, first worm wheel, second worm wheel and photoelectric sensor constitute, its characterized in that: the sleeve is sleeved on the hanger, a first worm wheel and a second worm wheel are respectively arranged at two ends of the sleeve, a height conversion assembly is connected onto the sleeve, a handle is connected at the lower end of the height conversion assembly, an adjusting assembly is arranged on the handle, a transmission box is arranged on the hanger, a double-shaft motor is arranged in the middle of the transmission box, the transmission box is connected with the hanger through a positioning bolt, the height conversion assembly is composed of a slide rail, a slide post, a blocking opening, a button, a slide cylinder, an electromagnet, a steel ball and a guide cylinder, the slide rail is arranged at two sides of the slide post, the blocking opening is arranged on the slide post, the slide post is matched with the slide cylinder, the slide cylinder is arranged on the sleeve, the guide cylinder is arranged at the outer side of the slide cylinder, the steel ball is placed in the guide cylinder, the electromagnet is arranged at the end part of the guide cylinder, and, the button is electrically connected with the electromagnet.

2. The height adjustable bus handle as claimed in claim 1, wherein: the transmission case comprises first bevel gears, two second bevel gears, worms and a case body, the first bevel gears are arranged on two output shafts of the double-shaft motor respectively, the second bevel gears are arranged on two sides of the case body, the two first bevel gears are meshed with the two second bevel gears respectively, the second bevel gears are coaxial with the worms, and the two worms are matched with the first worm gears and the second worm gears respectively.

3. The height adjustable bus handle as claimed in claim 1, wherein: the handle is composed of a hollow groove and a grab handle, and the hollow groove is arranged above the grab handle.

4. The height adjustable bus handle as claimed in claim 1, wherein: the adjusting component comprises a first screw rod, an elastic reed, a limiting ring, an adjusting wheel, a second screw rod, friction lines and a connecting block, wherein the first screw rod and the second screw rod are respectively arranged on two sides of the adjusting wheel, the elastic reed, the limiting ring and the connecting block are respectively provided with two parts, one end of the elastic reed is provided with the connecting block, the other end of the elastic reed is provided with the limiting ring, the two connecting blocks are respectively installed in a matched mode with the first screw rod and the second screw rod, the two limiting rings are respectively installed in a matched mode with the first screw rod and the second screw rod, and the friction lines are arranged on the surface of the adjusting wheel.

5. The height adjustable bus handle as claimed in claim 3, wherein: the outer skin of the grab handle is made of rubber.

6. The height adjustable bus handle as claimed in claim 1, wherein: the connection mode between the connecting rod and the handle can be any one of rigid connection, flexible connection and hinge joint.

7. The height adjustable bus handle as claimed in claim 4, wherein: the screw thread directions of the first screw rod and the second screw rod are opposite.

8. The height adjustable bus handle as claimed in claim 2, wherein: the lead angle of the worm is smaller than the equivalent friction angle between the wheel teeth.

9. The height adjustable bus handle as claimed in claim 1, wherein: the guide cylinder is made of aluminum alloy.