CN111994761A

CN111994761A - Double-door mechanism and elevator

Info

Publication number: CN111994761A
Application number: CN202010880082.9A
Authority: CN
Inventors: 刘庆阳; 柳国彬; 毛琨; 蓝裕发; 曹霞华; 张世艳
Original assignee: Fujian Guosheng Machinery Equipment Manufacturing Co ltd
Current assignee: Fujian Guosheng Machinery Equipment Manufacturing Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2020-11-27

Abstract

The application provides a two mechanism and companion ladder of opening door, wherein, two mechanisms of opening door include the upper gate, overturn the door and the linkage subassembly down, the linkage subassembly includes connecting rod, pulley and steel cable, the steel cable of this application overturn the door under the lug connection, but connect with the connecting rod, solve the poor stability that traditional upset door flexonics mode brought, rock, the problem that the degree of safety is low, set up multiple protection through the lateral part at the upper gate simultaneously, further improve holistic degree of safety, ensure the safety work of lift and operating personnel's life safety.

Description

Double-door mechanism and elevator

Technical Field

The invention relates to the technical field of door opening and closing, in particular to a double-door mechanism and an elevator.

Background

The construction elevator is usually called as construction elevator or construction platform, which is composed of car, driving mechanism, standard section, attached wall, chassis, enclosure and electric system, and is a frequently used construction machine for carrying people and goods in building.

The car comprises a door, the door of the car is different from a traditional door, and the door is generally a turnover door, can be used as a door and can be turned and unfolded, and can also be used as a supporting passageway to connect the car with a building.

At present, the upset door of the elevator on the market adopts steel cable lug connection basically, simple structure, but, the lug connection of steel cable leads to the poor stability of upset door, in using, because its flexonics brings the defect unstable, that easily rocks, and then brings the potential safety hazard, needs to improve urgently.

Disclosure of Invention

The invention provides a double door mechanism and an elevator for solving the technical problems.

The double-door mechanism comprises an upper door, a lower turnover door, a door frame and a linkage assembly.

The ascending door can be installed on the door frame in a vertically sliding mode.

The bottom end of the lower turnover door is hinged to the bottom of the door frame and can be turned over to realize unfolding or folding.

The linkage assembly comprises a connecting rod, a steel rope and a pulley. The pulley is arranged at the upper part of the door frame through a bracket; one end of the connecting rod can be vertically and slidably arranged on the door frame, and the other end of the connecting rod is hinged to the middle of the side part of the lower turnover door; one end of the steel rope is connected with the bottom end of the ascending door, and the other end of the steel rope rounds the pulley and is connected with one end of the connecting rod connected with the door frame.

When the lower turnover door is turned and folded to a position for closing the door frame, the upper door slides downwards, the bottom end of the upper door is in butt joint with the top end of the lower turnover door, and the door frame is completely closed.

The turnover plate door has the advantage that the construction of each layer of feeding and discharging platform can be saved.

When the linkage device is used, when the upper traveling door and the turnover door are in a completely closed state, a user pushes the upper traveling door upwards, the upper traveling door slides upwards, at the moment, one end of the steel rope connected with the upper traveling door also moves upwards, correspondingly, one end of the steel rope connected with the connecting rod slides downwards, one end of the connecting rod connected with the door frame also slides downwards, the lower turnover door gradually expands, and when the upper traveling door reaches the highest point of the top, the lower turnover door completely expands to form a 90-degree horizontal state with the initial position.

When the door is closed, a user pulls the upper door downwards, the steel rope drives the connecting rod to move upwards, and therefore the lower turnover door is driven to be folded.

Preferably, the door frame includes a pair of upper gate sliding assemblies symmetrically disposed at both sides of the upper gate.

The upward door sliding assembly comprises a mounting seat and a limiting wheel. The mounting seat is installed on the door frame, the limiting wheels are rotatably installed on the mounting seat, and the rotating shaft is perpendicular to the ascending door. The periphery of the limiting wheel is provided with an annular groove, the side part of the ascending door is embedded into the annular groove, namely the limiting wheels of the ascending door sliding assemblies on the two sides clamp the ascending door, the ascending door moves up and down between the two limiting wheels, and at the moment, the limiting wheels not only play a role in clamping the ascending door, but also can reduce the friction force of the ascending door in moving.

Preferably, go upward door slip subassembly still includes the limiting plate, the one end of limiting plate is connected the mount pad, the other end through buckling, with the mount pad is relative towards the one side of going upward the door, forms the restriction jointly the slide rail of the front and back side of going upward the door, be equivalent to outside spacing round, increase the one deck protection again, prevent to go upward the door and drop, the security is stronger.

Preferably, in order to improve the reliability and safety performance of connection, the limiting plate is connected with the mounting seat in a welding mode.

Preferably, the upper side and the lower side of the limiting wheel are both provided with a limiting plate.

Preferably, the upper traveling door is provided with a wire rope connector.

The steel rope connecting piece comprises a connecting plate, one end of the connecting plate is connected with one side of the bottom of the upper traveling door, the other end of the connecting plate is provided with a screw hole in the vertical direction, a stud is installed in the screw hole, a steel rope connector is arranged at the top end of the stud, a steel rope is connected with the stud through the steel rope connector, the steel rope is screwed into or retreats from the screw hole through the stud during use, and tightness and length of the steel rope are adjusted.

Preferably, the stud penetrates through the screw hole, and a nut and an elastic washer are screwed into two ends of the screw hole; the bottom end of the stud is provided with a pin hole, and a pin is inserted into the pin hole.

Preferably, the connecting rod is a bar-shaped rod; a vertical strip-shaped hole is formed in the door frame; the connecting rod is connected one end of the door frame penetrates through the vertical strip-shaped hole, the end of the end is provided with a rotating wheel, correspondingly, a side plate of the door frame is provided with a vertical sliding rail for limiting the rotating wheel, and the rotating wheel is limited in the vertical sliding rail. The front and rear positions of the connecting rod are limited through the rotating wheel, the friction force is reduced, and when the lower turnover door is turned downwards or upwards, the rotating wheel is abutted against the vertical sliding rail to roll downwards or upwards.

Preferably, the two sides of the lower turnover door are provided with L-shaped fences, the distance between the two fences is larger than the width of the door frame, and when the lower turnover door is folded, the fences protect the door frame, so that the tightness is further improved, and the safety is further improved.

Preferably, according to the needs of different buildings, the flap door and the fixed flap door pin shaft lock seat can be detached, and one end of the steel rope connecting rod is directly connected with the down door, so that the needs of corresponding buildings are met.

An elevator, characterized in that it comprises a car and a double door mechanism as described above, as is evident from the above description of the invention, the invention has the following advantages compared to the prior art:

the application provides a two mechanism and companion ladder of opening door, wherein, two mechanisms of opening door include the upper gate, overturn the door and the linkage subassembly down, the linkage subassembly includes connecting rod, pulley and steel cable, the steel cable of this application overturn the door under the lug connection, but connect with the connecting rod, solve the poor stability that traditional upset door flexonics mode brought, rock, the problem that the degree of safety is low, set up multiple protection through the lateral part of going the door simultaneously, further improve holistic degree of safety, guarantee companion ladder's safe work and operating personnel's life safety.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

Wherein:

FIG. 1 is an isometric view of the deployment of the double door mechanism of the elevator of the present invention;

FIG. 2 is a side view of the shaft of the closed double door mechanism of the elevator of the present invention;

fig. 3 is a side view of the present invention elevator with the double door mechanism deployed;

FIG. 4 is an overhead view of the present invention elevator with the double door mechanism deployed;

FIG. 5 is a front elevational view of the upper gate of the double door mechanism of the present invention;

FIG. 6 is a side view of the lower roll-over door of the double door mechanism of the present invention;

FIG. 7 is an enlarged partial view of the first double door mechanism of the present invention;

FIG. 8 is a second enlarged partial view of the double door mechanism of the present invention;

FIG. 9 is a side view of the shaft of the present invention showing the closing of the double door mechanism of the elevator

FIG. 10 is a side view of the pin lock base of the lift roll-over door of the present invention

The designations in fig. 1 to 8 are respectively: the upper door 1, the steel cable connecting piece 11, the stud 111, the mounting seat 12, the limiting wheel 13, the limiting plate 14, the lower turnover door 2, the fence 21, the door frame 3, the vertical strip-shaped hole 31, the vertical slide rail 32, the connecting rod 41, the rotating wheel 411, the steel cable 42 and the pulley 43.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The first embodiment is as follows:

referring to fig. 1 to 6, a double door mechanism includes an upper door 1, a lower flipping door 2, a door frame 3 and a linkage assembly.

The up door 1 is slidably mounted on the door frame 3 up and down.

The bottom end of the lower turnover door 2 is hinged to the bottom of the door frame 3 and can be turned over to realize unfolding or folding.

The linkage assembly is used for connecting the ascending door 1, the lower turnover door 2 and the door frame 3, and linkage of the ascending door 1 and the lower turnover door 2 is achieved.

The structure of the present embodiment is further described below.

The linkage assembly includes a link 41, a cable 42 and a pulley 43.

Wherein the pulley 43 is fixedly mounted on the upper portion of the door frame 3 by means of a bracket.

One end of the connecting rod 41 is slidably mounted on the door frame 3 up and down, and the other end is hinged to the middle of the side part of the lower turnover door 2.

One end of the steel cable 42 is connected with the bottom end of the upper door 1, and the other end of the steel cable passes through the pulley 43 and is connected with one end of the connecting rod 41 connected with the door frame 3.

When the lower turnover door 2 is turned and folded to a position for closing the door frame 3, the upper door 1 slides downwards, the bottom end of the upper door 1 is in butt joint with the top end of the lower turnover door 2, and the door frame 3 is completely closed.

In this embodiment, the connecting rod 41 is a bar-shaped rod, the door frame 3 is provided with a vertical bar-shaped hole 31, one end of the connecting rod 41 connected to the door frame 3 penetrates through the vertical bar-shaped hole 31, the end of the end is provided with a rotating wheel 411, correspondingly, a side plate of the door frame 3 is provided with a vertical slide rail 32 for limiting the rotating wheel 411, the rotating wheel 411 is limited in the vertical slide rail 32, the front and rear positions of the connecting rod 41 are limited by the rotating wheel 411, the friction force reducing effect is further provided, and when the inverted door 2 is turned downwards or upwards, the rotating wheel 411 abuts against the vertical slide rail 32 and rolls downwards or upwards.

In this embodiment, referring to fig. 7, the upper door 1 is provided with a cable connector 11. The steel rope connecting piece 11 comprises a connecting plate, one end of the connecting plate is connected with one side of the bottom of the upgoing door 1, a screw hole in the vertical direction is formed in the other end of the connecting plate, a stud 111 is installed in the screw hole, a steel rope connecting head is arranged at the top end of the stud 111, the steel rope 42 is connected with the stud 111 through a steel rope connecting head, and when the steel rope connecting piece is used, the stud 111 is screwed in or withdrawn from the screw hole, so that tightness and length of the steel rope 42 are adjusted. Preferably, the stud 111 penetrates through the screw hole, and a nut and an elastic washer are screwed into both ends of the screw hole to prevent the stud 111 from running, and further, a pin hole is formed in the bottom end of the stud 111, and a pin is inserted to prevent the stud 111 from falling off.

According to the invention, the linkage of the upper door 1 and the lower turnover door 2 is realized through the connecting rod 41, the pulley 43 and the steel rope 42, when the folding type folding door is used, when the upper door 1 and the turnover door are in a completely closed state, a user pushes the upper door 1 upwards, the upper door 1 slides upwards, at the moment, one end of the steel rope 42 connected with the upper door 1 also moves upwards, correspondingly, one end of the steel rope 42 connected with the connecting rod 41 slides downwards, one end of the connecting rod 41 connected with the door frame 3 also slides downwards, the lower turnover door 2 gradually unfolds, and when the upper door 1 reaches the highest point of the top, the lower turnover door 2 is completely unfolded and forms a horizontal state at 90 degrees.

When the door is closed, a user pulls the upper door 1 downwards, the steel rope 42 drives the connecting rod 41 to move upwards, and the lower turnover door 2 is driven to be folded.

As can be seen from the up-gate 1 being slidable up and down, the gate frame 3 includes a pair of up-gate sliding assemblies symmetrically disposed at both sides of the up-gate 1.

Referring to fig. 8, the upper sliding door assembly includes a mounting seat 12 and a limiting wheel 13. The mounting seat 12 is installed on the door frame 3, the limiting wheel 13 is rotatably installed on the mounting seat 12, and the rotating shaft is perpendicular to the ascending door 1. The circumferential part of the limiting wheel 13 is provided with an annular groove, the side part of the ascending door 1 is embedded into the annular groove, namely the limiting wheels 13 of the ascending door sliding assemblies on two sides clamp the ascending door 1, the ascending door 1 moves up and down between the two limiting wheels 13, and at the moment, the limiting wheels 13 not only play a role in clamping the ascending door 1, but also can reduce friction force of the ascending door 1 in moving.

Preferably, go upward door slip subassembly still includes limiting plate 14, the one end of limiting plate 14 is connected mount pad 12, the other end through buckling, with mount pad 12 is relative towards the one side of going upward door 1, forms the restriction jointly the slide rail of the front and back side of going upward door 1, be equivalent to outside spacing wheel 13, increase the one deck protection again, prevent to go upward door 1 and drop, the security is stronger. In this embodiment, in order to improve the reliability and safety of connection, the connection between the limiting plate 14 and the mounting seat 12 is performed by welding.

The safety is the most important index of the elevator, in order to improve the safety, the two sides of the lower turnover door 2 are provided with the L-shaped fences 21, the distance between the two fences 21 is larger than the width of the door frame 3, when the lower turnover door 2 is folded, the fences 21 protect the door frame 3, the sealing performance is further improved, and the safety is further improved.

In order to improve the application range and the applicability of the double-door mechanism, the flap door and the fixed flap door pin shaft lock seat can be detached, and one end of the steel rope connecting rod is directly connected with the lower door, as shown in fig. 9.

The fixed flap door pin shaft lock seat is shown in figure 10.

Example two:

an elevator, please refer to fig. 1 to 8, comprising a car and a double door mechanism of the first embodiment.

The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.

Claims

1. A double door mechanism is characterized by comprising an upper door, a lower turnover door, a door frame and a linkage assembly;

the ascending door can be installed on the door frame in a vertically sliding mode;

the bottom end of the lower turnover door is hinged to the bottom of the door frame;

the linkage assembly comprises a connecting rod, a steel rope and a pulley; the pulley is arranged at the upper part of the door frame through a bracket; one end of the connecting rod can be vertically and slidably arranged on the door frame, and the other end of the connecting rod is hinged to the middle of the side part of the lower turnover door; one end of the steel rope is connected with the bottom end of the ascending door, and the other end of the steel rope rounds the pulley and is connected with one end of the connecting rod connected with the door frame;

2. A double door mechanism as claimed in claim 1, wherein said door frame includes a pair of upper door slide assemblies symmetrically disposed on opposite sides of the upper door; the upper door sliding assembly comprises a mounting seat and a limiting wheel; the mounting seat is mounted on the door frame, the limiting wheel is rotatably mounted on the mounting seat, and the rotating shaft is vertical to the ascending door; the periphery of the limiting wheel is provided with an annular groove, and the side part of the ascending door is embedded into the annular groove, namely the ascending door is clamped by the limiting wheels of the ascending door sliding assemblies on two sides.

3. The double door mechanism according to claim 2, wherein the upward door sliding assembly further comprises a limiting plate, one end of the limiting plate is connected to the mounting seat, and the other end of the limiting plate is bent to be opposite to one surface of the mounting seat facing the upward door, so as to form a sliding rail for limiting the front side and the rear side of the upward door.

4. The double door mechanism according to claim 2, wherein the connection between the limiting plate and the mounting seat is made by welding.

5. A double door mechanism according to claim 2 wherein the limiting wheel is provided with a limiting plate on both the upper and lower sides.

6. A double door mechanism as claimed in claim 1 wherein said upper door is provided with cable connectors; the steel rope connecting piece comprises a connecting plate, one end of the connecting plate is connected with one side of the bottom of the upgoing door, a screw hole in the vertical direction is formed in the other end of the connecting plate, a stud is installed in the screw hole, and a steel rope connector is arranged at the top end of the stud.

7. A double door mechanism according to claim 6, wherein said stud extends through said threaded bore and has a nut and a resilient washer threaded into each end of said threaded bore; the bottom end of the stud is provided with a pin hole, and a pin is inserted into the pin hole.

8. A double door mechanism according to claim 1, wherein said links are bar-shaped rods; a vertical strip-shaped hole is formed in the front plate of the door frame; the connecting rod is connected one end of the door frame penetrates through the vertical strip-shaped hole, the end of the end is provided with a rotating wheel, correspondingly, a side plate of the door frame is provided with a vertical sliding rail for limiting the rotating wheel, and the rotating wheel is limited in the vertical sliding rail.

9. A double door mechanism as claimed in claim 1, wherein L-shaped rails are installed on both sides of said lower turnover door, and the distance between the two rails is greater than the width of said door frame.

10. An elevator comprising a car and a double door mechanism as claimed in any one of claims 1 to 9.