CN111204638B

CN111204638B - Household elevator with automatic telescopic toe guard

Info

Publication number: CN111204638B
Application number: CN201910882997.0A
Authority: CN
Inventors: 朱国建; 金婷; 吴志明; 尚庆阳; 田茂军; 黄旭斌; 俞兴钢; 谢飞
Original assignee: Zhejiang Weite Elevator Co ltd
Current assignee: Witte Elevator Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2021-02-09
Anticipated expiration: 2039-09-18
Also published as: CN111204638A

Abstract

The invention relates to the technical field of elevators, in particular to a household elevator with an automatic telescopic toe guard. The utility model provides a take home use elevator of automatic flexible toe guard, including setting up front truck and the back gauge board in car bottom, be provided with the curb plate that is located car bottom both sides between front truck and the back gauge board, it is connected with the buffer board to rotate through the location axle on the curb plate, one side that the back gauge board is close to the buffer board of back gauge board is provided with the buffer housing who has the second air cavity, sliding connection has the second piston in the second air cavity, be provided with the buffer beam that is used for driving the second piston removal on the buffer board, be provided with first air cavity in the buffer board, sliding connection has first piston in the first air cavity, be connected with the expansion plate that extends to the buffer board below on the first piston, be connected through the air duct between first. The foot guard plate is telescopic and suitable for shallow shaft pits, and when passengers accidentally extend feet and kick on the foot guard plate, the passengers cannot feel more pain.

Description

Household elevator with automatic telescopic toe guard

Technical Field

The invention relates to the technical field of elevators, in particular to a household elevator with an automatic telescopic toe guard.

Background

The national standard GB7588-2003 puts forward relevant requirements on the elevator toe guard: each elevator should be equipped with a toe guard and should have a width not less than the entire clear width of the entrance to the landing door, a height not less than 0.75m, and an installed lowest position not less than 0.5m from the floor of the pit.

The existing toe guard plate is simple in structure and is an inextensible guard plate, the elevator toe guard plate is fixedly connected to a car sill bracket located at the front end of the car bottom plate, the distance between the car bottom plate and a landing sill is reduced, people are effectively prevented from carelessly falling into an elevator shaft when the elevator exits, and the requirements of most elevator shafts at present can be met.

However, at present, pits of many household elevators are generally shallow, and for the condition that the depth of a hoistway pit is small, the traditional car toe guard can touch the ground of the pit to cause damage when the elevator runs to the bottom layer, and cannot meet the requirement of the shallow pit.

And current baseboard all fixes on the car, when the passenger stretches the foot to kick on baseboard carelessly, can produce great painful sense, influences passenger's experience.

For example, Chinese patent publication numbers are: CN204569103U, a combined sedan-chair door toe guard of sightseeing elevator who announces in 2015 year 8/19 th day, including sedan-chair door sill, sedan-chair door sill bracket and toe guard mechanism, toe guard mechanism comprises front panel and backplate, the front panel upper end is fixed on sedan-chair door sill, front panel both sides edge all is provided with first hem, the front panel lower extreme is provided with the second hem, backplate both sides edge is provided with the third hem with first hem looks lock, first hem and third hem fixed connection, front panel and backplate nestification form a cavity, be provided with a bracing piece in the cavity, the bracing piece upper end is fixed on sedan-chair door sill bracket, the bracing piece lower extreme is fixed on the front panel medial surface. Although the utility model discloses a toe guard mechanism comprises front panel and backplate, and the bracing piece sets up in the cavity, and the bracing piece carries out the auxiliary stay to whole sedan-chair door toe guard, has both guaranteed the structural strength of whole sedan-chair door toe guard, has formed good outward appearance again, has promoted the sightseeing effect of elevator, has improved the competitiveness of product, but the pit of present many home use elevators is generally shallow, and under the condition that well pit depth is less, traditional car toe guard can touch pit ground and lead to the damage when the elevator moves to the bottom, can not adapt to the requirement of shallow pit; and current baseboard all fixes on the car, when the passenger stretches the foot to kick on baseboard carelessly, can produce great painful sense, influences passenger's experience.

Disclosure of Invention

The invention mainly aims at the problems that the pits of the existing household elevators are generally shallow, and under the condition that the depth of the pit of a hoistway is small, the traditional car toe guard can touch the ground of the pit to cause damage when the elevator runs to the bottom layer, and can not adapt to the requirement of the shallow pit; and current baseboard all fixes on the car, when the passenger stretches the foot to kick when baseboard carelessly, can produce great painful sense, influences the problem that the passenger experienced, provides a take home use elevator of automatic flexible baseboard, and baseboard wherein is scalable, is applicable to shallower well pit, when the passenger stretches the foot to kick when baseboard carelessly moreover, can not produce great painful sense.

The purpose of the invention is mainly realized by the following scheme: the utility model provides a take home use elevator of automatic flexible toe guard, is including setting up front bezel and the back locating plate in car bottom, front bezel and back locating plate between be provided with the curb plate that is located car bottom both sides, the curb plate on rotate through the location axle and be connected with the buffer board, one side of back locating plate that is close to the buffer board be provided with the buffering casing that has the second air cavity, second air cavity sliding connection have the second piston, the buffer board on be provided with and be used for driving the buffer beam that the second piston removed, the buffer board in be provided with first air cavity, first air cavity sliding connection have first piston, first piston on be connected with the expansion plate that extends to the buffer board below, be connected through the air duct between first air cavity and the second air cavity. The side plates are positioned on two sides of the bottom of the car and are rotatably connected with a buffer plate through a positioning shaft, one side of the rear positioning plate, which is close to the buffer plate, is provided with a buffer shell with a second air cavity, a second piston is slidably connected in the second air cavity, the buffer plate is provided with a buffer rod for driving the second piston to move, one end of the buffer rod is hinged on the buffer plate, a first air cavity is arranged in the buffer plate, a first piston is slidably connected in the first air cavity, the first piston is connected with a telescopic plate extending to the lower part of the buffer plate, the first air cavity is connected with the second air cavity through an air duct, when a passenger carelessly extends feet and kicks on the region of the buffer plate, which is positioned above the positioning shaft, the buffer plate can overcome the air pressure in the second air cavity through the buffer rod to drive the second piston to move, and when the buffer plate rotates, the impact force of the passenger can be buffered to the step force of, the passenger is prevented from being suddenly bumped to cause a large pain, and the safety of the passenger cannot be influenced because the rotation degree of the buffer plate is small; when a passenger accidentally extends to kick in the area of the buffer plate, which is positioned below the positioning rotating shaft, the buffer plate can be abutted against the front positioning plate so as not to rotate, and the safety is ensured; when the lift car is not in contact with the pit, the expansion plate can move to the lower area of the buffer plate under the action of air pressure in the first air cavity and the self gravity of the expansion plate, so that the overall height of the buffer plate and the expansion plate meets the national standard; when the car moves to and the pit contact, thereby the atmospheric pressure of first air cavity is overcome to the expansion plate atress and suitable position is removed, the flexible demand that can adapt to shallow pit through the expansion plate, when the expansion plate removed, the gas of first air cavity can get into the second air cavity along the air duct in to through second piston and buffer beam with the buffer board top tight in the front on the locating plate, make the stability and the security of expansion plate when carrying out flexible removal high.

Preferably, an auxiliary spring is connected between the first piston and one side of the first air cavity far away from the expansion plate. An auxiliary spring is connected between one side, far away from the expansion plate, of the first piston and the first air cavity, the expansion plate can be limited to a reasonable position when the lift car moves up and down, and the expansion plate is prevented from moving due to self weight.

Preferably, the front positioning plate is provided with a buffer notch corresponding to the buffer plate. The buffering notch is formed in the front positioning plate corresponding to the buffering plate, the area, located above the positioning rotating shaft, of the buffering plate, kicked by passengers can be increased due to the arrangement of the buffering notch, and the practicability is high.

Preferably, the telescopic plate support structure further comprises a support seat arranged on the pit and used for being matched with the telescopic plate. Still including setting up the supporting seat that is used for on the pit with expansion plate complex, when the car removed to be close to pit department, the bottom of expansion plate can support earlier on the supporting seat to make the expansion plate atress remove, prevent to cause the damage to the pit.

Preferably, the bottom of the expansion plate is provided with an upper buffer layer corresponding to the support seat. The bottom of expansion plate corresponds the supporting seat and is provided with the buffer layer, goes up the setting of buffer layer and can prevent that the expansion plate from directly contacting with the supporting seat and causing the damage.

Preferably, the top of the supporting seat is provided with a lower buffer layer corresponding to the upper buffer layer. The top of supporting seat corresponds and goes up the buffer layer and be provided with down the buffer layer, and the setting of lower buffer layer can prevent that the supporting seat from directly contacting with the expansion plate and causing the damage.

Preferably, the upper cushion layer is made of a rubber material. The upper buffer layer is made of rubber materials, and the rubber materials have good elasticity, good abrasion resistance and long service life.

Preferably, the lower cushion layer is made of a rubber material. The lower buffer layer is made of rubber materials, and the rubber materials have good elasticity, good abrasion resistance and long service life.

Therefore, the household elevator with the automatic telescopic toe guard has the following advantages: the foot protection plate is telescopic and suitable for shallow well pits, and when a passenger carelessly stretches and kicks on the buffer plate, the passenger does not feel pain greatly, so that the practicability is high, and the service life is long.

Drawings

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

FIG. 2 is a schematic view of a connection structure between the buffer plate, the expansion plate and the buffer housing according to the present invention.

Fig. 3 is a front view of the present invention.

Illustration of the drawings: 1-car, 2-rear positioning plate, 3-front positioning plate, 4-positioning rotating shaft, 5-buffer plate, 6-upper buffer layer, 7-lower buffer layer, 8-supporting seat, 9-bottom pit, 10-expansion plate, 11-side plate, 12-auxiliary spring, 13-first piston, 14-first air cavity, 15-air duct, 16-buffer shell, 17-second air cavity, 18-buffer rod, 19-second piston and 20-buffer notch.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example 1:

as shown in fig. 1, 2 and 3, a home elevator with an automatic telescopic toe guard comprises a front positioning plate 3 and a rear positioning plate 2 which are arranged at the bottom of a car 1, a side plate 11 which is arranged at two sides of the bottom of the car 1 is arranged between the front positioning plate 3 and the rear positioning plate 2, a buffer plate 5 is rotatably connected on the side plate 11 through a positioning shaft, a buffer shell 16 with a second air cavity 17 is arranged at one side of the rear positioning plate 2 close to the buffer plate 5, a second piston 19 is slidably connected in the second air cavity 17, a buffer rod 18 for driving the second piston 19 to move is arranged on the buffer plate 5, one end of the buffer rod 18 is hinged on the buffer plate 5, a first air cavity 14 is arranged in the buffer plate 5, a first piston 13 is slidably connected in the first air cavity 14, a telescopic plate 10 which extends to the lower part of the buffer plate 5 is connected on the first piston 13, and the first air cavity 14 is connected with, when a passenger carelessly extends to kick the buffer plate 5 and is positioned above the positioning rotating shaft 4, the buffer plate 5 is stressed and can drive the second piston 19 to overcome the air pressure in the second air cavity 17 through the buffer rod 18 so as to move, when the buffer plate 5 rotates, the air pressure can play a certain buffer role on the step impact force of the passenger so as to prevent the passenger from causing great pain due to sudden impact, and the rotation degree of the buffer plate 5 is small, so that the influence on the safety of the passenger is avoided; when a passenger accidentally extends and kicks the lower area of the buffer plate 5 below the positioning rotating shaft 4, the buffer plate 5 can be abutted against the front positioning plate 3 so as not to rotate, and the safety is ensured; when the car 1 is not in contact with the pit 9, the expansion plate 10 moves to the lower area of the buffer plate 5 under the action of the air pressure in the first air cavity 14 and the gravity of the expansion plate 10, so that the overall height of the buffer plate 5 and the expansion plate 10 meets the national standard; when car 1 moves to when contacting with pit 9, thereby the atmospheric pressure in the first air cavity 14 is overcome to the expansion plate 10 atress and suitable position is moved to, the flexible demand that can adapt to shallow pit 9 through expansion plate 10's flexible removal, when expansion plate 10 removed, gas in the first air cavity 14 can get into in the second air cavity 17 along air duct 15, thereby through second piston 19 and buffer beam 18 with buffer board 5 top tight in the front of locating plate 3, stability and security when making expansion plate 10 stretch out and draw back the removal are high.

An auxiliary spring 12 is connected between the first piston 13 and one side of the first air cavity 14 far away from the expansion plate 10, and the auxiliary spring 12 can limit the expansion plate 10 at a reasonable position when the car 1 moves up and down, so that the expansion plate 10 is prevented from moving due to self weight.

Correspond buffer board 5 and be provided with buffering breach 20 on the front locating plate 3, the setting of buffering breach 20 can increase buffer board 5 be located 4 top regional passenger's of location pivot and play the area of power, and the practicality is strong.

The elevator car structure is characterized by further comprising a supporting seat 8 which is arranged on the pit 9 and used for being matched with the telescopic plate 10, when the car 1 moves to a position close to the pit 9, the bottom of the telescopic plate 10 can be firstly abutted against the supporting seat 8, so that the telescopic plate 10 is forced to move, and the pit 9 is prevented from being damaged; the bottom of the telescopic plate 10 is provided with an upper buffer layer 6 corresponding to the supporting seat 8, and the arrangement of the upper buffer layer 6 can prevent the telescopic plate 10 from being directly contacted with the supporting seat 8 to cause damage; the top of the supporting seat 8 is provided with a lower buffer layer 7 corresponding to the upper buffer layer 6, and the lower buffer layer 7 can prevent the supporting seat 8 from being directly contacted with the expansion plate 10 to cause damage; the upper buffer layer 6 is made of rubber materials, and the rubber materials have good elasticity, good abrasion resistance and long service life; the lower buffer layer 7 is made of rubber materials, and the rubber materials have good elasticity, good abrasion resistance and long service life.

It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a take home use elevator of automatic flexible toe guard, its characterized in that, including setting up preceding locating plate and the back locating plate in car bottom, preceding locating plate and back locating plate between be provided with the curb plate that is located car bottom both sides, the curb plate on rotate through the location axle and be connected with the buffer board, one side of back locating plate that is close to the buffer board be provided with the buffer housing who has the second air cavity, second air cavity sliding connection have the second piston, the buffer board on be provided with the buffer beam that is used for driving the second piston to remove, the buffer board in be provided with first air cavity, first air cavity sliding connection have first piston, first piston on be connected with the expansion plate that extends to the buffer board below, be connected through the air duct between first air cavity and the second air cavity.

2. The home elevator with the automatically retractable toe guard according to claim 1, wherein an auxiliary spring is connected between the first piston and a side of the first air chamber away from the retractable plate.

3. The home elevator with the automatic telescopic toe guard according to claim 1, wherein the front positioning plate is provided with a buffering notch corresponding to the buffering plate.

4. A home elevator with an automatically retractable toe guard according to claim 1, 2 or 3, further comprising a support base provided on the pit for engaging with the retractable plate.

5. A home elevator with an automatically telescopic toe guard according to claim 4, characterized in that the bottom of the telescopic plate is provided with an upper buffer layer corresponding to the support base.

6. A home elevator with automatic telescopic toe guard according to claim 5, characterized in that the top of the support base is provided with a lower buffer layer corresponding to the upper buffer layer.

7. A home elevator with automatically retractable toe guards according to claim 5, wherein said upper buffer layer is made of rubber material.

8. A home elevator with automatically retractable toe guards according to claim 6, wherein said lower buffer layer is made of rubber material.