CN217920956U - Intelligent handrail buffer structure of car - Google Patents

Abstract

The application relates to an intelligent handrail buffering structure of a lift car, which is arranged in the lift car and comprises at least one telescopic rod which penetrates through the lift car and is connected to the inner side wall of the lift car in a sliding manner, a handrail rod is connected to the telescopic rod in a sliding manner, a first elastic piece is sleeved on the telescopic rod, one end of the first elastic piece is abutted to the side wall of the lift car, and the other end of the first elastic piece is abutted to one side, close to the side wall of the lift car, of the handrail rod; the one end that the telescopic link stretches out outside the car includes spacing end and magnetism end in proper order, is provided with outside the car to be used for magnetism to inhale magnetism end and make magnetism end electromagnetic component who slides, and electromagnetic component electricity is connected to the controller of car. This application has improved the buffering effect of car handrail.

Description

Intelligent handrail buffer structure of car

Technical Field

The application relates to the field of elevator handrails, in particular to an intelligent handrail buffer structure of a car.

Background

A car elevator mainly carries and transports people and materials. In order to facilitate the use of people, particularly for sightseeing elevators, people for disabled people to sit on wheelchairs or people with dizzy elevators to conveniently take the elevators, handrails are generally arranged on the inner wall of an elevator car of the elevator, are generally made of steel pipe materials and are transversely fixed on the inner side wall of the elevator car according to a set height.

In the process of implementing the related art, the inventors found that at least the following problems exist in the related art: in the using process of the elevator, the elevator can generate acceleration, and the handrail on the inner side wall of the car is fixedly connected to the inner side wall of the car by the smooth steel cross bar with high hardness, so that the buffering effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the buffering effect of car handrail, this application provides an intelligence handrail buffer structure of car.

The application provides a pair of intelligent handrail buffer structure of car adopts following technical scheme:

an intelligent handrail buffering structure of a lift car is arranged in the lift car and comprises at least one telescopic rod which penetrates through the lift car and is connected to the inner side wall of the lift car in a sliding mode, a handrail rod is connected to the telescopic rod in a sliding mode, a first elastic piece is sleeved on the telescopic rod in a sleeved mode, one end of the first elastic piece abuts against the side wall of the lift car, and the other end of the first elastic piece abuts against one side, close to the side wall of the lift car, of the handrail rod; the telescopic link stretches out the outer one end of car and includes spacing end and magnetism-loving end in proper order, the car is provided with outward and is used for magnetism to inhale magnetism end and make magnetism-loving end slides the electromagnetic component, electromagnetic component electricity is connected to the controller of car.

Through adopting above-mentioned technical scheme, utilize first elastic component to make the handrail can realize the buffering in the axial direction of telescopic link, and telescopic link also telescopic connection on the car, the buffering along the telescopic shaft direction is realized to the two linkage, has improved the whole buffering effect of handrail.

Preferably, the one end that the car was kept away from to the telescopic link is provided with the butt joint board, the second elastic component has been cup jointed on the telescopic link, the one end butt of second elastic component the one side that the car lateral wall was kept away from to the bar, the other end butt the butt joint board.

Through adopting above-mentioned technical scheme, be provided with the second elastic component, further increase the buffering effect of handrail in the direction of following telescopic link.

Preferably, the electromagnetism subassembly includes acceleration sensing device, forward amplifying unit and electro-magnet, acceleration sensing device is used for exporting analog signal, electro-magnet fixed connection is in the car lateral wall, is located the flexible direction of telescopic link, and be close to the magnetism end, acceleration sensing device electricity is connected to the input of forward amplifying unit, the output electricity of forward amplifying unit is connected to the electro-magnet.

Through adopting above-mentioned technical scheme, when the elevator produced the acceleration, acceleration sensing device detected acceleration and output the voltage that changes, enlargies through the amplification unit again, finally makes the electro-magnet to the attraction is magnetic end, and adjusts the magnetic force size of electro-magnet indirectly according to the size of acceleration, thereby makes the flexible degree of first elastic component or second elastic component on the telescopic link adjustable, and buffering effect is better.

Preferably, the acceleration sensing device comprises an upper plate and a lower plate, a gravity block is arranged between the upper plate and the lower plate, and two sides of the gravity block along the gravity direction are respectively connected to the upper plate and the lower plate through elastic pieces; a sliding rheostat is fixedly connected between the upper plate and the lower plate and comprises two fixed ends and a sliding end, the sliding end is electrically connected to the input end of the positive direction amplification unit, and the sliding end is fixedly connected with the gravity block; one of the fixed ends is electrically connected to a power supply end, and the other fixed end is grounded.

Through adopting above-mentioned technical scheme, when acceleration, the gravity piece receives inertial influence, and the elastic component can carry out elastic deformation along the gravity direction to the position of sliding end on the slide rheostat is changed, thereby changes the size of the voltage of acceleration sensing device output.

Preferably, the telescopic link is sleeved with a third elastic part, one end of the third elastic part is abutted to one side, close to the outer side wall of the car, of the limiting end, and the other end of the third elastic part is abutted to the outer side wall of the car.

Through adopting above-mentioned technical scheme, be provided with the third elastic component, further increase the buffering effect of handrail along the direction of telescopic link.

Preferably, a protective cover is arranged on the telescopic rod and covers the first elastic piece and the second elastic piece in a wrapping mode.

Through adopting above-mentioned technical scheme, the protection casing plays safety protection's effect, prevents that the personnel's of taking the elevator hand from being pressed from both sides.

Preferably, be provided with the elastic buffer layer on the handrail pole, the elastic buffer layer includes interior elastic layer, outer elastic layer and connects interior elastic layer with middle elastic connecting piece between the outer elastic layer, interior elastic layer cup joints on the handrail pole.

Through adopting above-mentioned technical scheme, be provided with elastic buffer layer, interior elastic layer, outer elastic layer and middle elastic connecting piece form the elastic construction layer on the surface of horizontal handrail, are favorable to improving buffering effect for the handrail is safer and comfortable.

Preferably, the middle elastic connecting piece comprises a ring piece and separating pieces connected to two sides of the ring piece in a staggered mode, and the ring piece and the separating pieces divide a space between the inner elastic layer and the outer elastic layer into a plurality of sealed chambers.

Through adopting above-mentioned technical scheme, because the external spring layer is elastic material with middle elastic connecting piece and makes, sealed cavity forms a plurality of elastic airbags, can play better buffering effect, and at hand-held in-process, the external spring layer can adaptation hand shape produce the sunken of adaptation, is favorable to improving skid-proof effect.

Preferably, the surface of the outer elastic layer is provided with anti-skid protrusions.

Through adopting above-mentioned technical scheme, the roughness on the surface that the antiskid is protruding to be favorable to further improving the outer elastic layer is favorable to improving skid-proof effect.

Preferably, the grab rail is provided with bent portions at both ends thereof, the bent portions extending toward the bottom of the car and being bent toward each other, and the elastic buffer layers are also provided on the bent portions.

Through adopting above-mentioned technical scheme, the kink has made things convenient for different use height demand personnel to grip the handrail, and to the user of sitting the wheelchair, compares in the handrail of horizontal pole, grips the kink and accords with human engineering more for it is more comfortable to grip the handrail.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the buffer effect of the telescopic shaft in the axial direction is improved by utilizing the sliding relation among the lift car, the telescopic rod and the grab rail and combining the elastic deformation capacity of the first elastic piece;

2. according to the acceleration of elevator, combine the magnetism ability of inhaling of electro-magnet, change the flexible degree of elastic component to change the effect of buffering, can realize elastic adjustment, the buffering effect is better.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application, which is mainly used for showing a telescopic rod;

FIG. 2 is a schematic diagram of the overall structure of the embodiment of the present application, which is mainly used for showing the electromagnet;

FIG. 3 is a schematic circuit diagram of an electromagnetic assembly in an embodiment of the present application;

fig. 4 is a schematic cross-sectional view of a buffer layer in an embodiment of the present application.

Reference numerals are as follows: 1. a car; 2. a telescopic rod; 3. a grab rail; 4. a first elastic member; 5. a limiting end; 6. a magnetism attracting end; 7. abutting against the plate; 8. a second elastic member; 9. an acceleration sensing device; 91. an upper plate; 92. a lower plate; 93. a gravity block; 10. a forward direction amplification unit; 11. an electromagnet; 12. a third elastic member; 13. a support frame; 14. an inner elastic layer; 15. an outer elastic layer; 16. a ring sheet; 17. a separator; 18. a chamber; 19. anti-skid protrusions; 20. a bending part.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses intelligent handrail buffer structure of car.

Referring to fig. 1 and 2, an intelligence handrail buffer structure of car sets up in 1 inside wall department of car, and the hole of sliding has been seted up to car 1's inside wall, and intelligence handrail buffer structure includes that two run through and slide and connect telescopic link 2 in 1 lateral wall of car sliding hole, still includes handrail pole 3, and the through-hole has been seted up to the position that corresponds telescopic link 2 on handrail pole 3, and telescopic link 2 slides and connects on two telescopic links 2. The horizontal heights of the two telescopic rods 2 can be consistent, can also be one high and one low, and can be vertical to the side wall of the lift car 1, and can also be inclined upwards or downwards at a set angle to penetrate through the side wall of the lift car 1; similarly, the grab bar 3 may be disposed horizontally or inclined at a predetermined angle. In the embodiment of the application, two telescopic links 2 are located same level setting, and perpendicular on car 1's lateral wall, and grab rail 3 is the level setting also, and all perpendicular with two telescopic links 2.

One end of the telescopic rod 2 far away from the car 1 is provided with a butt plate 7, and the radius size of the butt plate 7 is larger than that of the telescopic rod 2. One end of the telescopic rod 2 extending out of the car 1 sequentially comprises a limiting end 5 and a magnetism-attracting end 6, a set distance is reserved between the limiting end 5 and the side wall of the car 1, the magnetism-attracting end 6 is located at the end part of the telescopic rod 2, and a steel piece or a ferromagnet is adopted. First elastic component 4, second elastic component 8 and third elastic component 12 have cup jointed on the telescopic link 2, and first elastic component 4, second elastic component 8 and third elastic component 12 all set up to the spring.

The first elastic part 4 is arranged between the grab bar 3 and the inner side wall of the car 1, one end of the first elastic part 4 is abutted against the inner side wall of the car 1, and the other end of the first elastic part is abutted against one side, close to the side wall of the car 1, of the grab bar 3. The second elastic member 8 is arranged between the abutting plate 7 and the grab bar 3, one end of the second elastic member 8 abuts against one side, far away from the inner side wall of the car 1, of the grab bar 3, and the other end of the second elastic member abuts against one side, close to the grab bar 3, of the abutting plate 7. The third elastic component 12 is arranged between the outer side wall of the car 1 and the limit end 5, one end of the third elastic component 12 is abutted to one side of the limit end 5 close to the outer side wall of the car 1, and the other end of the third elastic component is abutted to the outer side wall of the car 1.

Referring to fig. 2 and 3, an electromagnetic assembly for magnetically attracting the magnetically attracting end 6 and enabling the magnetically attracting end 6 to slide is further mounted on the outer side wall of the car 1. The electromagnetic assembly comprises an acceleration sensing device 9, a forward amplifying unit 10, a switching element and an electromagnet 11. Acceleration sensing device 9 sets up on car 1, and electro-magnet 11 erects at car 1 lateral wall through support frame 13, is located the flexible direction of telescopic link 2, and is close to magnetism-attracting end 6. Acceleration sensing device 9 electricity is connected output analog signal to the input of positive amplification unit 10, and acceleration sensing device 9 includes upper plate 91 and hypoplastron 92 to and set up the gravity piece 93 between upper plate 91 and hypoplastron 92, and gravity piece 93 all is equipped with the spring in the upper and lower both sides of vertical direction, and the spring of both sides is kept away from the one end of gravity piece 93 and is fixed connection respectively to upper plate 91 and hypoplastron 92. Acceleration sensing device 9 still includes slide rheostat Rp, and slide rheostat Rp includes two motionless ends and a slip end, and a motionless end electric connection is to the power VCC, and another motionless end is through protection resistance ground connection, and the slip end electricity is connected to the input of positive amplification unit 10, and the slip end realize through connecting the dead lever with the synchronous displacement of gravity piece 93.

The positive amplification unit 10 includes an inverting amplifier U1 and a phase inverter, the sliding terminal is electrically connected to the inverting input terminal of the inverting amplifier U1 through a resistor, the non-inverting input terminal of the inverting amplifier U1 is grounded through a resistor, the output terminal of the inverting amplifier U1 is electrically connected to the input terminal of the phase inverter, the output terminal of the phase inverter is electrically connected to the base of a transistor Q1 through a resistor, and the transistor Q1 is an NPN-type transistor. The collector of the transistor Q1 is electrically connected to the power supply VCC through a resistor, the emitter of the transistor Q1 is electrically connected to the anode of the electromagnet 11, and the cathode of the electromagnet 11 is grounded. The emitter of the transistor Q1 is electrically connected to the cathode of the freewheeling diode D1, and the anode of the freewheeling diode D1 is grounded. Be provided with electro-magnet 11 and magnetism-loving end 6, when the elevator produced acceleration for electro-magnet 11 gets electric, attracts magnetism-loving end 6, and acceleration is big more, and 11 adsorption affinity of electro-magnet is stronger more, thereby makes 2 compression degrees of telescopic link big more, and the elasticity buffering degree is adjustable, and the effect is better.

In order to increase safety, the telescopic rod 2 is covered with a protective cover, the protective cover is fixedly connected to the inner side wall of the car 1, the protective cover covers the first elastic part 4 and the second elastic part 8, the protective cover can be made of elastic materials, and the protective cover is not marked in the figure in order to better show the first elastic part 4 and the second elastic part 8. The protection casing plays safety protection's effect, prevents to take elevator personnel's hand to be pressed from both sides.

In order to further improve the convenience of use of the grab bar 3 and in consideration of the suitability of the grab bar for children, bent portions 20 extending toward the bottom of the car 1 and bent toward each other are fixedly installed at both ends of the grab bar 3. The bending part 20 facilitates people with different use height requirements to hold the handrail, and for special people, such as people who sit on a wheelchair, the bending part 20 is more ergonomic to hold and is more comfortable to hold.

Referring to fig. 4, in order to further improve the buffering effect from other dimensions, the grab bar 3 is provided with an elastic buffer layer including an inner elastic layer 14, an outer elastic layer 15, and an intermediate elastic connection member connected between the inner elastic layer 14 and the outer elastic layer 15. The inner elastic layer 14 is cylindrical and is sleeved on the side wall of the grab bar 3. The outer elastomeric layer 15 is also cylindrical and the inner diameter of the outer elastomeric layer 15 is greater than the outer diameter of the inner elastomeric layer 14. The middle elastic connecting piece comprises a ring piece 16 and a separating piece 17 connected to two sides of the ring piece 16 in a staggered mode, and the ring piece 16 and the separating piece 17 divide the space between the inner elastic layer 14 and the outer elastic layer 15 into a plurality of sealed cavities 18. The inner elastic layer 14, the outer elastic layer 15 and the intermediate elastic connecting piece are all made of elastic materials.

Interior elastic layer 14, outer elastic layer 15 and middle elastic connection spare form the elastic construction layer on the surface of horizontal handrail, and sealed cavity 18 forms a plurality of elasticity gasbags, can play better buffering effect, and at hand-held in-process, outer elastic layer 15 can the adaptation hand shape produce the sunken of adaptation, is favorable to improving skid-proof effect. Therefore, the handrail buffering effect is improved, and the comfort level of the handrail can be improved.

In order to further increase the anti-slip effect of the outer elastic layer 15, the surface of the outer elastic layer 15 is provided with anti-slip protrusions 19. The raised anti-slip elements 19 are advantageous in further improving the roughness of the surface of the outer elastic layer 15 and in improving the anti-slip effect.

The implementation principle of the intelligent handrail buffer structure of the car in the embodiment of the application is as follows: the first, second and third elastic elements 4, 8, 12 allow the handrail to be damped in a substantially mechanical manner in the axial direction of the telescopic rod 2. The magnitude of the magnetic force of the electromagnet 11 is adjusted according to the acceleration, so that the elastic expansion degree of the first elastic part 4, the second elastic part 8 and the third elastic part 12 is changed, the larger the acceleration is, the larger the compression degree of the elastic parts is, the smaller the expansion change amplitude is, and the better the buffering effect is. In addition, the buffer layer supported by the elastic material is arranged, so that the overall buffer effect of the handrail is further improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides an intelligence handrail buffer structure of car, sets up in car (1), its characterized in that: the elevator car lifting device comprises at least one telescopic rod (2) which penetrates through and is connected to the inner side wall of a car (1) in a sliding mode, a grab rail (3) is connected to the telescopic rod (2) in a sliding mode, a first elastic piece (4) is sleeved on the telescopic rod (2), one end of the first elastic piece (4) abuts against the side wall of the car (1), and the other end of the first elastic piece (4) abuts against one side, close to the side wall of the car (1), of the grab rail (3); the outer one end of telescopic link (2) stretch out car (1) includes spacing end (5) and magnetism-loving end (6) in proper order, car (1) is provided with outward and is used for magnetism to inhale magnetism end (6) and make magnetism-loving end (6) the electromagnetic component that slides, electromagnetic component electricity is connected to the controller of car (1).

2. The intelligent handrail buffering structure of the car of claim 1, wherein: the one end that car (1) was kept away from in telescopic link (2) is provided with butt joint board (7), second elastic component (8) have been cup jointed on telescopic link (2), the one end butt of second elastic component (8) one side of car (1) lateral wall, other end butt are kept away from in bar (3) butt joint board (7).

3. The intelligent handrail buffering structure of the car of claim 2, wherein: the electromagnetic component comprises an acceleration sensing device (9), a forward amplification unit (10) and an electromagnet (11), wherein the acceleration sensing device (9) is used for outputting an analog signal, the electromagnet (11) is fixedly connected to the outer side wall of the car (1) and located in the telescopic direction of the telescopic rod (2) and close to the magnetic attracting end (6), the acceleration sensing device (9) is electrically connected to the input end of the forward amplification unit (10), and the output end of the forward amplification unit (10) is electrically connected to the electromagnet (11).

4. The intelligent handrail buffer structure of car of claim 3, characterized in that: the acceleration sensing device (9) comprises an upper plate (91) and a lower plate (92), a gravity block (93) is arranged between the upper plate (91) and the lower plate (92), and two sides of the gravity block (93) along the gravity direction are connected to the upper plate (91) and the lower plate (92) through elastic pieces respectively; a sliding rheostat is fixedly connected between the upper plate (91) and the lower plate (92) and comprises two fixed ends and a sliding end, the sliding end is electrically connected to the input end of the positive amplification unit (10), and the sliding end is fixedly connected with the gravity block (93); one of the stationary terminals is electrically connected to a power source terminal, and the other stationary terminal is grounded.

5. The intelligent handrail buffering structure of the car of claim 2, wherein: the telescopic link (2) is sleeved with a third elastic part (12), one end of the third elastic part (12) is abutted to one side, close to the outer side wall of the car (1), of the limiting end (5), and the other end of the third elastic part is abutted to the outer side wall of the car (1).

6. The intelligent handrail buffering structure of the car of claim 2, wherein: the telescopic rod (2) is provided with a protective cover, and the protective cover covers the first elastic piece (4) and the second elastic piece (8).

7. The intelligent handrail buffer structure of car of claim 1, characterized in that: be provided with the elastic buffer layer on handrail pole (3), the elastic buffer layer includes interior elastic layer (14), outer elastic layer (15) and connects interior elastic layer (14) with middle elastic connecting piece between outer elastic layer (15), interior elastic layer (14) cup joint on handrail pole (3).

8. The intelligent handrail buffering structure of the car of claim 7, wherein: the middle elastic connecting piece comprises a ring piece (16) and separating pieces (17) connected to two sides of the ring piece (16) in a staggered mode, and the ring piece (16) and the separating pieces (17) divide the space between the inner elastic layer (14) and the outer elastic layer (15) into a plurality of sealed cavities (18).

9. The intelligent handrail buffering structure of the car of claim 7, wherein: the two ends of the grab rail (3) are provided with bending parts (20) which extend towards the bottom of the lift car (1) and are bent oppositely, and the elastic buffer layers are also arranged on the bending parts (20).

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