CN210854894U

CN210854894U - Shock attenuation safety handle for elevator car

Info

Publication number: CN210854894U
Application number: CN201921889562.0U
Authority: CN
Inventors: 陶锡伟
Original assignee: Wuxi Shuntian Elevator Decoration Co ltd
Current assignee: Wuxi Shuntian Elevator Decoration Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-26
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a shock attenuation safety handle for elevator car, including car inner wall, motor, operating button and contact handrail, the rotary drum is all installed at both ends about the inside of car inner wall, and the periphery of rotary drum is connected with the drive belt, the internally mounted of car inner wall has the motor, the spout has been seted up to the front surface of car inner wall, and the internally connected of spout has the fixing base, the fixing base is installed in the front surface of drive belt, and the place ahead of fixing base is provided with the connecting seat, the inside of connecting seat is provided with damping spring, and damping spring's end-to-end connection has the sleeve, telescopic the place ahead is provided with the contact handrail. This shock attenuation safety handle for elevator car, the height of contact handrail can be adjusted through control button to make the passenger that is applicable to the height difference that this device can be better, and the damping spring who just contacts the inside setting of handrail can improve the damping performance of this device, provides shock attenuation protection for the passenger.

Description

Shock attenuation safety handle for elevator car

Technical Field

The utility model relates to an elevator technical field specifically is a shock attenuation safety handle for elevator car.

Background

The elevator is a transport means on the vertical height, can drive crowd or object through electric power and structural action and carry out elevating movement on same vertical line, and the elevator is applied to in the higher floor building of height usually, helps people to reduce the consumption of climbing, has brought obvious convenience for the development of society, because the elevator is applied to rising work, therefore the elevator is very high to the performance and the degree of safety of self.

The elevator generally comprises traction system, the guide system, the car, door system and weight balance system isotructure, the car is the subassembly that is used for transporting passenger and goods in the elevator, it is more with external environment contact, some elevators can be provided with safety handle on the inner wall surface of car, facilitate for inside passenger, however conventional safety handle is mostly fixed mounting in the inner wall of car, only play the effect of hand-held, if get into inside passenger's body and have the disabled action inconvenient, or be the lower child of height, fixed mounting's safety handle not only can't provide convenience for them, perhaps even lead to the fact unnecessary trouble to them, and if the elevator produces vibrations in the operation, conventional safety handle can not cut down the feelings.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a damping safety handle for an elevator car, which aims to solve the problems that the conventional safety handle in the elevator car proposed in the background technology is mostly fixedly installed, cannot adjust the height and cannot adapt to people with different heights; and the conventional safety handrail does not have the shock absorption function.

In order to achieve the above object, the utility model provides a following technical scheme: a shock-absorbing safety handrail for an elevator car comprises a car inner wall, a motor, an operating button and a contact handrail, wherein rotary drums are arranged at the upper end and the lower end of the inside of the car inner wall, a transmission belt is connected to the periphery of the rotary drums, a tooth block is arranged on the part, connected with the rotary drums, of the transmission belt, a motor is arranged inside the car inner wall, the motor is connected with the rotary drums below the motor, the operating button is arranged on the front surface of the car inner wall and is connected with the motor, a sliding groove is formed in the front surface of the car inner wall, a fixed seat is connected inside the sliding groove and is arranged on the front surface of the transmission belt, a connecting seat is arranged in front of the fixed seat, a shock-absorbing spring is arranged inside the connecting seat, the tail end of the shock-absorbing spring is connected with a, and the restriction groove is connected to the connection seat.

Preferably, the periphery of the rotating drum is provided with tooth blocks at equal angles, the rotating drum is in meshed connection with the transmission belt, and the transmission belt and the fixed seat form an integrated structure.

Preferably, 2 have been seted up at the front surface of car inner wall to the spout, and car inner wall passes through the spout and constitutes sliding construction with the fixing base to the fixing base constitutes integrated structure with the connecting seat.

Preferably, the front end of the connecting seat is located inside the sleeve, the connecting seat and the sleeve form a sliding structure through the limiting groove, the opening length of the limiting groove is smaller than the inner depth of the sleeve, and the inner diameter of the limiting groove is the same as the diameter of the front end of the connecting seat.

Preferably, the contact handrail is of a spherical structure, the contact handrail and the sleeve form an integrated structure, and a rubber contact layer is arranged on the periphery of the contact handrail.

Compared with the prior art, the beneficial effects of the utility model are that: the damping safety handle for the elevator car,

1. the motor is arranged in the inner wall of the lift car, the motor is connected with the rotary drum and the control button, and the front surface of the transmission belt connected with the periphery of the rotary drum is provided with the fixed seat connected with the contact handrail, so that after a passenger enters the interior of the lift car, the starting and the steering of the motor can be controlled through the control button, the running direction of the transmission belt is controlled, the contact handrail is driven to carry out lifting motion, and the height of the lifting handrail is adjusted to be better suitable for passengers with different heights;

2. the fixed seat is connected with the connecting seat, the connecting seat is connected with the sleeve through the damping spring arranged inside, the sleeve can drive the contact handrail to slide on the front side of the connecting seat, when vibration is transmitted to the inside of the contact handrail from the outside, the vibration can be transmitted to the inside of the damping spring, and the damping spring generates deformation in the vibration process, so that elasticity is generated to be abutted against the vibration, and the device can reduce the vibration force contacted with the contact handrail through the damping spring, so that the damping protection is provided for passengers who contact the handrail by hands;

3. the front end structure of the connecting seat is located inside the sleeve, the front end of the connecting seat is provided with the protruding part and the limiting groove which are connected with each other, therefore, the length that the sleeve can slide is the length of the limiting groove, the sliding distance of the sleeve is controlled, so that the device cannot be separated in the working process, and the connecting seat and the sleeve are connected in a mode that the connecting seat and the sleeve cannot be displaced relatively in the up-down direction, so that the stability of the device can be guaranteed.

Drawings

FIG. 1 is a schematic view of a front view cross section of the connection between the connecting seat and the sleeve of the present invention;

FIG. 2 is a schematic view of the overall right-side cross-sectional structure of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the inner wall of the car according to the present invention.

In the figure: 1. an inner wall of the car; 2. a rotating drum; 3. a transmission belt; 4. a tooth block; 5. a motor; 6. an operation button; 7. a chute; 8. a fixed seat; 9. a connecting seat; 10. a damping spring; 11. a sleeve; 12. contacting the handrail; 13. a restraining groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a shock-absorbing safety handle for an elevator car comprises a car inner wall 1, a rotary drum 2, a transmission belt 3, a tooth block 4, a motor 5, an operation button 6, a sliding groove 7, a fixed seat 8, a connecting seat 9, a shock-absorbing spring 10, a sleeve 11, a contact handle 12 and a limiting groove 13, wherein the upper end and the lower end of the interior of the car inner wall 1 are both provided with the rotary drum 2, the periphery of the rotary drum 2 is connected with the transmission belt 3, the part of the transmission belt 3 connected with the rotary drum 2 is provided with the tooth block 4, the interior of the car inner wall 1 is provided with the motor 5, the motor 5 is connected with the rotary drum 2 below the motor 5, the front surface of the car inner wall 1 is provided with the operation button 6, the operation button 6 is connected with the motor 5, the front surface of the car inner wall 1 is provided with the sliding groove 7, the interior of the sliding, the inside of connecting seat 9 is provided with damping spring 10, and damping spring 10's end-to-end connection has sleeve 11, and the place ahead of sleeve 11 is provided with contact handrail 12, and the inner wall of sleeve 11 has seted up restriction groove 13 to restriction groove 13 and connecting seat 9 interconnect.

The periphery of rotary drum 2 is isometric to be provided with tooth piece 4, and rotary drum 2 is connected for the meshing with drive belt 3 to drive belt 3 constitutes integral structure with fixing base 8, and rotary drum 2 rotates under the drive of motor 5, thereby drives drive belt 3 and moves, along with the motion of drive belt 3, can drive fixing base 8 and carry out oscilaltion.

2 have been seted up at the front surface of car inner wall 1 to spout 7, and car inner wall 1 constitutes sliding construction through spout 7 and fixing base 8, and fixing base 8 constitutes the integral structure with connecting

seat

9, 2 the inside of spout 7 all is connected with fixing base 8, fix the contact handrail 12 of front end through 2 fixing base 8, connecting seat 9 slides about following fixing base 8 carries out the synchronization, thereby the height of control contact handrail 12 is in order to adapt to more application conditions.

The front end of connecting seat 9 is located the inside of sleeve 11, and connecting seat 9 constitutes sliding construction through restriction groove 13 and sleeve 11, and the length of seting up of restriction groove 13 is less than the inside degree of depth of sleeve 11, the internal diameter of restriction groove 13 is the same with the front end diameter of connecting seat 9 simultaneously, sleeve 11 can drive contact handrail 12 and slide in the front side of connecting seat 9, restriction groove 13 has carried out the restriction to the slip route of sleeve 11, make it unable and connecting seat 9 break away from, consequently at the in-process of vibrations, inside damping spring 10 can produce the reduction to the sense of vibration, reduce the sense of vibration to elevator car and other people's influence of walking contact handrail 12.

Contact handrail 12 sets up to ball shape structure, and contact handrail 12 constitutes the integral structure with sleeve 11 to the periphery of contact handrail 12 is provided with the rubber contact layer, and ball shape structure more adapts to human palm radian, and outside rubber contact layer can effectually play the shock attenuation and reinforce frictional effect, and the rubber contact layer can be when external object contacts with contact handrail 12, plays the effect of protection to contact handrail 12, prevents that contact handrail 12 from being scraped and producing the mar.

The working principle is as follows: as shown in fig. 1 and 2, 2 sliding grooves 7 are formed in the front surface of the inner wall 1 of the car, a fixed seat 8 penetrates through the sliding grooves 7 and is fixedly mounted on the front surface of the transmission belt 3, and moves synchronously with the transmission belt 3, so that when a person enters the elevator, the person taking the elevator can press a control button 6 below the elevator to control the height of a contact handrail 12, when the passenger presses the control button 6, a motor 5 is started to drive a rotary drum 2 to rotate, the rotary drum 2 drives the transmission belt 3 to move through a tooth block 4, the fixed seat 8 fixed on the front surface of the fixed seat slides along the inner wall of the sliding groove 7, the contact handrail 12 is driven by a connecting seat 9 to move up and down, and after the height is adjusted to be proper, the operation of the contact handrail 12 can be stopped without pressing the control;

as shown in fig. 1 and 3, if vibration is transmitted from the elevator, and the vibration is transmitted to the contact handrail 12 through the inner wall 1 of the car or the outside, the connection base 9 is firstly contacted, the damping spring 10 is arranged inside the connection base 9, the damping spring 10 has a low elastic coefficient and is not easy to deform, the damping spring 10 is in a stable state and commonly acts with the connection base 9 to support the sleeve 11 in a conventional state, because the limiting groove 13 has the same structural diameter as the front end of the connection base 9, the connection base 9 and the sleeve 11 do not move up and down relatively, the connection base 9 can only slide inside the limiting groove 13, the sliding path is limited so that the sleeve 11 does not separate from the connection base 9, the stability of the contact handrail 12 in a working state is confirmed, when the vibration is transmitted to the damping spring 10, the damping spring 10 deforms under the action of external force, the generated elasticity is offset with the vibration sense, so that the influence of the vibration sense on the contact handrail 12 can be effectively reduced, and the vibration resistance of the device is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an elevator car is with shock attenuation safety handle, includes car inner wall (1), motor (5), operating button (6) and contact handrail (12), its characterized in that: the elevator car comprises a car inner wall (1), wherein rotary drums (2) are installed at the upper end and the lower end of the interior of the car inner wall (1), a transmission belt (3) is connected to the periphery of the rotary drum (2), a tooth block (4) is arranged on a part, connected with the rotary drum (2), of the transmission belt (3), a motor (5) is installed inside the car inner wall (1), the motor (5) is connected with the rotary drum (2) below the motor (5) in an interconnecting mode, an operating button (6) is arranged on the front surface of the car inner wall (1), the operating button (6) is connected with the motor (5) in an interconnecting mode, a sliding groove (7) is formed in the front surface of the car inner wall (1), a fixing seat (8) is connected with the interior of the sliding groove (7), the fixing seat (8) is installed on the front surface of the transmission belt (3), and the tail end of the damping spring (10) is connected with a sleeve (11), a contact handrail (12) is arranged in front of the sleeve (11), a limiting groove (13) is formed in the inner wall of the sleeve (11), and the limiting groove (13) is connected with the connecting seat (9) mutually.

2. The shock-absorbing safety handle for an elevator car according to claim 1, wherein: the periphery of the rotary drum (2) is provided with tooth blocks (4) at equal angles, the rotary drum (2) is meshed with the transmission belt (3), and the transmission belt (3) and the fixed seat (8) form an integrated structure.

3. The shock-absorbing safety handle for an elevator car according to claim 1, wherein: 2 have been seted up at the front surface of car inner wall (1) in spout (7), and car inner wall (1) constitutes sliding construction through spout (7) and fixing base (8) to fixing base (8) and connecting seat (9) constitute integrated structure.

4. The shock-absorbing safety handle for an elevator car according to claim 1, wherein: the front end of the connecting seat (9) is located inside the sleeve (11), the connecting seat (9) and the sleeve (11) form a sliding structure through the limiting groove (13), the opening length of the limiting groove (13) is smaller than the inner depth of the sleeve (11), and meanwhile the inner diameter of the limiting groove (13) is the same as the diameter of the front end of the connecting seat (9).

5. The shock-absorbing safety handle for an elevator car according to claim 1, wherein: the contact handrail (12) is of a spherical structure, the contact handrail (12) and the sleeve (11) form an integrated structure, and a rubber contact layer is arranged on the periphery of the contact handrail (12).