CN210710254U

CN210710254U - Telescopic foot protection plate

Info

Publication number: CN210710254U
Application number: CN201921386983.1U
Authority: CN
Inventors: 梁栈雄
Original assignee: Sanyo Elevator Zhuhai Co Ltd
Current assignee: Sanyo Elevator Zhuhai Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-06-09
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a flexible toe guard, including backplate assembly and transmission link mechanism, the backplate assembly includes base section backplate and the gliding flexible backplate of at least one base section backplate relatively, transmission link mechanism includes drive assembly and scissors frame, drive assembly installs on the base section backplate, the scissors frame output articulates on the base section backplate, the scissors frame input is connected with drive assembly's output, and the relative base section backplate of the flexible backplate of drive assembly accessible scissors frame drive slides. The utility model provides a telescopic toe guard has reduced the requirement to the pit height, has solved simultaneously because toe guard length causes maintainer or passenger to fall the problem of well inadequately, has improved the security of overhauing and taking advantage of and carrying, has guaranteed sufficient safe distance, avoids striking the pit and causes the damage to the toe guard, simple to operate has improved its life and has reduced economic cost.

Description

Telescopic foot protection plate

Technical Field

The utility model relates to an elevator technical field especially relates to a flexible toe guard.

Background

With the rapid development of the building industry, the more houses are built, the more elevators are indispensable transportation tools in daily life of people, and the more important the elevators are. In the elevator trade, need often overhaul the elevator, nevertheless probably can the accident take place at the elevator maintenance in-process, for causing the injury to the personnel when avoiding the unexpected condition, need install the toe guard bottom the car. The existing toe guard meets all requirements of national standards, is suitable for standard pit depth, can completely embody the required functions, and is low in manufacturing cost and simple in installation process.

However, for a pit with a small depth, the existing toe guard cannot meet the requirements and is mainly embodied as follows: firstly, a sufficient safety distance cannot be ensured, so that personnel are easy to fall into a hoistway, and the personnel and passengers are easily injured; secondly, can not contract automatically when the elevator moves to the bottom or to pit operation, can not do when leaving and reset, and probably can strike pit ground to cause the baseboard to damage, baseboard life is short.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a convenient to use, have flexible function and increase of service life's elevator with flexible toe guard.

The utility model provides a technical scheme that its technical problem adopted does:

the utility model provides a flexible toe guard, includes backplate assembly and transmission link mechanism, the backplate assembly includes base section backplate and at least one gliding flexible backplate of base section backplate relatively, transmission link mechanism includes drive assembly and scissors frame, drive assembly installs on the base section backplate, the scissors frame output articulates on the base section backplate, the scissors frame input is connected with drive assembly's output, and drive assembly accessible scissors frame drive flexible backplate slides relative base section backplate.

As an improvement of the technical scheme, any shear rod at the input end of the shear shank is hinged to the base section guard plate, the rest shear rods at the input end of the shear shank can be movably arranged at the output end of the driving component, and the tail end of the shear shank is hinged to the telescopic guard plate.

As an improvement of the above technical solution, the driving assembly includes a driving motor, a screw rod, a fixing seat and a sliding member, the driving motor is installed on the base guard plate, an output end of the driving motor is connected with the screw rod, the fixing seat is installed on the base guard plate, the screw rod is rotatably installed on the fixing seat, and the sliding member is slidably installed on the screw rod and connected with an input end of the scissor rack.

As an improvement of the above technical solution, the sliding member includes a sliding block and a screw nut, the sliding block and the screw nut are connected to form an integral piece, the input end of the scissor rack is hinged to the sliding block, and the screw nut is slidably mounted on the screw rod.

As an improvement of the above technical solution, the sliding member further includes a bearing, the bearing is rotatably mounted on the sliding block, and the bearing and the sliding block are integrated and can perform synchronous motion.

As the improvement of the technical scheme, the guard plate assembly further comprises a force unloading slide way, the force unloading slide way is connected with two ends of the base section guard plate and fixedly installed on the base section guard plate, and the bearing is in line contact with the force unloading slide way and can slide on the force unloading slide way.

As an improvement of the technical scheme, the slide rail device further comprises a slide rail, the slide rail comprises a base section slide rail and a telescopic slide rail, the base section slide rail is arranged on two sides of the base section protection plate, the telescopic slide rail is arranged on two sides of the telescopic protection plate, and one end of the telescopic slide rail is nested and can be connected onto the base section slide rail in a sliding mode.

As an improvement of the technical scheme, the guard plate assembly further comprises a side plate, the side plate is slidably mounted on the telescopic guard plate through a sliding rail, a limiting protrusion is arranged at the top end of the telescopic guard plate, and a stop column matched with the limiting protrusion is arranged at the bottom end of the side plate.

As an improvement of the above technical scheme, the bottom ends of both sides of the telescopic guard plate are provided with limit pins, both sides of the base section guard plate are provided with fixing brackets, the fixing brackets are provided with limit grooves along the sliding direction of the telescopic guard plate relative to the base section guard plate, and the limit pins penetrate through the limit grooves.

As an improvement of the technical scheme, the two ends of the inner side of the fixed support are provided with the electric contact locks, and the inner side of the fixed support is internally connected with a loop which is connected in series with an elevator safety circuit.

The beneficial effects of the utility model are that:

the utility model provides a telescopic toe guard has reduced the requirement to the pit height, has solved simultaneously because toe guard length causes maintainer or passenger to fall the problem of well inadequately, has improved the security of overhauing and taking advantage of and carrying, has guaranteed sufficient safe distance, avoids striking the pit and causes the damage to the toe guard, simple to operate has improved its life and has reduced economic cost.

Drawings

The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:

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

fig. 2 is a partial enlarged view of the structure of the "sliding member" in the embodiment of the present invention;

FIG. 3 is a side view of the embodiment of the present invention showing the opened state of the retractable toe guard;

fig. 4 is a side view of the utility model of the embodiment of the invention in a retracted state;

FIG. 5 is a top view of the embodiment of the present invention showing the opened state of the retractable toe guard;

fig. 6 is a top view of the retracted state of the "telescopic toe guard" according to the embodiment of the present invention.

Detailed Description

Referring to fig. 1 to 6, the utility model provides a flexible toe guard, including backplate assembly 1 and transmission link mechanism 3, backplate assembly 1 includes base section backplate 11 and at least one gliding flexible backplate 12 of base section backplate 11 relatively, transmission link mechanism 3 includes drive assembly 31 and scissors frame 32, drive assembly 31 installs on base section backplate 11, scissors frame 32 output articulates on base section backplate 11, scissors frame 32 input is connected with drive assembly 31's output, drive assembly 31 accessible scissors frame 32 drive flexible backplate 12 slides 11 relatively of base section backplate.

Any shear rod at the input end of the shear frame 32 is hinged on the base section guard plate 11, the rest shear rods at the input end of the shear frame 32 can be movably arranged at the output end of the driving component 31, and the tail end of the shear frame 32 is hinged with the telescopic guard plate 12, so that the shear frame 32 can drive the telescopic guard plate 12 to slide relative to the base section guard plate 11 after the power of the driving component 31 is transmitted.

The utility model provides a flexible baseboard, still includes slide rail 2, slide rail 2 includes base section slide rail 21 and flexible slide rail 22, base section slide rail 21 is installed on 11 both sides of base section backplate, flexible slide rail 22 is installed on 12 both sides of flexible backplate, and one end is nested and slidable connection is on base section slide rail 21, through increasing base section backplate 11 and the 12 both sides slide rail of flexible backplate, can provide the gliding track of the relative base section backplate 11 of flexible backplate, the expansion of the 12 higher-efficient safety of flexible backplate of help.

Wherein, the driving assembly 31 comprises a driving motor 311, a screw 312, a fixed seat 313 and a sliding component 314, the driving motor 311 is installed on the base section protection plate 11, the output end thereof is connected with the screw 312, the fixed seat 313 is installed on the base section protection plate 11, the screw 312 is rotatably installed on the fixed seat 313, the sliding component 314 comprises a sliding block a, a screw nut b and a bearing c, the sliding block a is provided with a bolt, a nut, a connecting block and a gasket, the bolt is matched with the bearing c, one end of the scissor frame 32 is fixed on the bearing c through the nut, the gasket for reinforcing the fixing function is arranged above and below the scissor frame, the connecting block connects the screw nut b with one end of the bolt, the screw nut b is slidably installed on the screw 312, when the driving motor 311 is electrified and works, the motor rotates to drive the screw 312 to rotate, the screw nut b sleeved on, it alright drive the scissors frame 32 motion of fixing on the bolt, scissors frame 32 obtains from this and orders about the relative base section backplate 11 of flexible backplate 12 via the flexible power that removes and finally become the expansion state of both sides slide rail 2, this process finally makes this flexible toe guard accomplish and extends operating condition, compare with the not enough defect of current toe guard safe length, it has the flexible backplate 12 of sufficient length, no matter meet the staff promptly and need overhaul the elevator or the passenger faces the condition of elevator bottom well problem, this toe guard all can provide the safe distance of sufficient length, great improvement overhaul and the security of taking advantage of.

On the basis, the guard plate assembly 1 further comprises a force unloading slideway 13, the force unloading slideway 13 is connected with two ends of the base guard plate 11 and is fixedly installed on the base guard plate 11, the bearing c is in line contact with the force unloading slideway 13, when the sliding member 314 moves integrally, the bearing c installed on the sliding member slides on the force unloading slideway 13, the force unloading slideway 13 plays a role in abutting against the longitudinal tension on the sliding member 314, the safe movement of the sliding member 314 is ensured, and the structure of the scissor frame 32 is also safely and effectively protected.

On foretell basis, backplate assembly 1 still includes the sideboard, and the sideboard passes through 2 slidable mounting of slide rail on flexible backplate 12, and flexible backplate 12 top is provided with spacing arch, and the bottom of sideboard is provided with spacing protruding complex bumping post, and the mounting is mutually supported with spacing protruding cooperation to the bumping post, has increased flexible backplate 12 and has received the flexible in-process stability of scissors frame 32 effect, has also guaranteed the function that this toeguard expandes and contracts of scissors frame 32 drive.

On foretell basis, the bottom end in flexible backplate 12 both sides all is equipped with the spacer pin, the both sides of base segment backplate 11 all are provided with fixed bolster 4, fixed bolster 4 is provided with the spacing groove along the relative base segment backplate 11 slip direction of flexible backplate 12, the spacer pin is worn to put at the spacing inslot, the spacer pin plays 4 spacing effects with the fixed bolster, the fixed bolster can install whole toeguard in elevator car bottom through the effect of bolt or screw, guarantee that the toeguard can safe efficient work.

On the basis, in order to conveniently judge whether the elevator leaves the bottom layer and the toe guard is in a conventional retraction state during normal operation, the end close to the force unloading slideway 13 and the end far away from the force unloading slideway 13 are respectively provided with an electric contact lock 5, and the electric contact locks are internally connected with a loop which is connected in series with a safety circuit of the elevator, when the toe guard is in the conventional retraction state, the electric contact lock 5 close to the end of the force unloading slideway 13 is in an open state, and the electric contact lock 5 far away from the end of the force unloading slideway 13 is in a closed state; when the toe guard is in a working and unfolding state, the electric contact lock 5 close to one end of the force unloading slide way 13 is in a closed state, and the electric contact lock 5 far away from one end of the force unloading slide way 13 is in an open state. The electric contact lock 5 can play the roles of respectively detecting the retraction in place and the opening in place of the toe guard, when the elevator operates normally, the automatic telescopic toe guard of the elevator is in the retraction state, necessary pit space is saved for the operation of the elevator, the automatic telescopic toe guard of the elevator is in the opening state under the condition of maintenance except the first floor position or emergency fault state of the elevator, and a safety guarantee is provided for passengers or related elevator operating personnel, so that the automatic telescopic toe guard device of the elevator is realized.

The above is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.

Claims

1. A telescopic toe guard is characterized in that: including backplate assembly and transmission link mechanism, the backplate assembly includes base section backplate and at least one gliding flexible backplate of base section backplate relatively, transmission link mechanism includes drive assembly and scissors frame, drive assembly installs on the base section backplate, the scissors frame output articulates on the base section backplate, the scissors frame input is connected with drive assembly's output, and drive assembly accessible scissors frame drive flexible backplate slides relatively the base section backplate.

2. The telescoping toe guard as in claim 1, wherein: any shear rod at the input end of the shear shank is hinged to the base section guard plate, the rest shear rods at the input end of the shear shank can be movably arranged at the output end of the driving assembly, and the tail end of the shear shank is hinged to the telescopic guard plate.

3. The telescopic toe guard according to claim 1 or 2, wherein: the driving assembly comprises a driving motor, a screw rod, a fixed seat and a sliding component, the driving motor is installed on the base section protection plate, the output end of the driving motor is connected with the screw rod, the fixed seat is installed on the base section protection plate, the screw rod is rotatably installed on the fixed seat, and the sliding component is slidably installed on the screw rod and is connected with the input end of the shear shank.

4. The telescoping toe guard as in claim 3, wherein: the sliding component comprises a sliding block and a screw nut, the sliding block and the screw nut are connected into a whole, the input end of the shear shank is hinged to the sliding block, and the screw nut is slidably mounted on the screw rod.

5. The telescoping toe guard as in claim 4, wherein: the sliding component further comprises a bearing, the bearing is rotatably mounted on the sliding block, and the bearing and the sliding block are integrated and can move synchronously.

6. The telescoping toe guard of claim 5, wherein: the backplate assembly is still including unloading the power slide, unload power slide and connect base section backplate both ends, and fixed mounting on the base section backplate, the bearing with unload power slide line contact, and can slide on unloading the power slide.

7. The telescoping toe guard as in claim 1, wherein: still include the slide rail, the slide rail includes base section slide rail and flexible slide rail, the base section slide rail is installed on base section backplate both sides, flexible slide rail is installed on flexible backplate both sides, and one end nestification and slidable connection are on the base section slide rail.

8. The telescopic toe guard according to claim 1 or 7, wherein: the backplate assembly still includes the sideboard, the sideboard passes through slide rail slidable mounting on flexible backplate, flexible backplate top is provided with spacing arch, the bottom of sideboard be provided with spacing protruding complex bumping post.

9. The telescoping toe guard as in claim 1, wherein: the base end of the two sides of the telescopic guard plate is provided with a limiting pin, the two sides of the base section guard plate are provided with fixing supports, the fixing supports are provided with limiting grooves along the sliding direction of the telescopic guard plate relative to the base section guard plate, and the limiting pins penetrate through the limiting grooves.

10. The telescoping toe guard of claim 9, wherein: the fixed support is provided with electric contact locks at both ends of the inner side, and the fixed support is internally connected with a loop which is connected in series with an elevator safety circuit.