Cage construction elevator access door structure

Abstract

The utility model discloses a kind of construction elevator passageway door structures of cage, including elevator cage;Sliding door is slidably installed on elevator cage, turnover door is rotatably installed on elevator cage, both sides of elevator cage are equipped with support plate, two support plates are connected with driving opening and closing structure, sliding door is rotatably installed with linkage shaft in its inside;The utility model, when using, the turnover of sliding door up-down movement and turnover door can be controlled by opening electric push rod, to realize the opening and closing of elevator cage outlet, while sliding door and turnover door close elevator cage outlet, linkage sliding block will be extruded under the support plate and move by connecting rod to drive U-shaped insert strip, so that U-shaped insert strip is released from slot, at this time, under the influence of counterweight, it will drive fender bar to overturn, fender bar will be protected in front of turnover door and sliding door, provide auxiliary support for turnover door, to avoid the situation that turnover door is accidentally turned on after rope breaks, to further improve the safety of elevator cage use.

Description

Technical Field

[0001] This utility model relates to the field of construction elevator technology, specifically a door structure for a construction elevator passageway. Background Technology

[0002] Construction cage elevators, also known as construction elevators or building construction elevators, are a crucial type of vertical transportation equipment in the construction engineering field. They are mainly used to transport construction workers, building materials, and equipment during the construction of high-rise buildings.

[0003] Chinese Patent Publication No. CN220618063U discloses a construction elevator passage door structure for a construction elevator cage. This structure solves the problem that existing integrated structures of construction elevator passages and landing doors are cumbersome in actual design, installation, and use, and require overly complex considerations when modifying existing construction elevator cages. This structure uses a lifting drive device to raise and lower the upward-opening door, eliminating the need for manual operation of opening and retracting the upward and downward doors, thus saving effort. Furthermore, because the weight of the upward-opening door is greater than that of the downward-opening door, the downward movement of the upward-opening door automatically pulls the downward-opening door backward. Therefore, when modifying existing construction elevator cages using this structure, only the weight of the upward-opening door needs to be ensured to be greater than that of the downward-opening door; other factors do not need to be considered excessively. This simplifies the factors that need to be considered during modification, making the design, installation, and use of the modified structure much simpler.

[0004] In the aforementioned prior art, the lifting and lowering of the top-opening door and the flipping of the bottom plate can be controlled by the connection of the suspension rope, thereby opening and closing the cage elevator passage. However, the bottom plate below the passage door is mainly connected and sealed by the suspension rope. With the frequent operation of the elevator, the rope is subjected to repeated tension, bending and other stresses for a long time, which will cause fatigue wear, eventually leading to rope breakage and accidental flipping of the bottom plate, affecting the safety of the cage elevator.

[0005] Therefore, it is necessary to propose a cage construction elevator passage door structure to solve or at least alleviate the above-mentioned defects. Utility Model Content

[0006] The purpose of this utility model is to provide a structure for the access door of a suspended construction elevator, in order to solve the problem mentioned in the background art that the bottom plate of the access door of the suspended elevator mainly relies on the suspension ropes for connection and closure. With the frequent operation of the elevator, the ropes will experience fatigue wear, eventually leading to rope breakage and accidental flipping of the bottom plate, which affects the safety of the suspended elevator.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a hoisting elevator passage door structure, comprising an elevator cage; a sliding door is slidably installed on the elevator cage, a flip door is rotatably installed on the elevator cage, support plates are installed on both sides of the elevator cage, a drive opening and closing structure is connected to the two support plates, a linkage shaft is rotatably installed inside the sliding door, a guard structure is connected to the linkage shaft, a U-shaped seat is connected to the drive opening and closing structure, and an alarm structure is connected to the U-shaped seat.

[0008] Preferably, the drive opening and closing structure includes an electric push rod, which is installed below the support plate. The telescopic end of the electric push rod passes through the support plate and is fitted with a connecting slide. The connecting slide is installed on one side of the sliding door. One end of a rope is installed on the connecting slide, and the other end of the rope is fitted with a connecting shaft. The connecting shaft is rotatably installed on one side of the tilting door. A guide frame is installed on one side of the elevator cage, and a pulley is rotatably installed on one side of the guide frame. The rope is in contact with the pulley.

[0009] Preferably, a guide rod is installed inside the guide frame, and the connecting slide is slidably sleeved on the guide rod.

[0010] Preferably, the guard structure includes a guard rod, which is installed at one end of the linkage shaft. The other end of the linkage shaft passes through the sliding door and is equipped with a handle. A counterweight is installed at one end of the guard rod.

[0011] Preferably, a U-shaped frame is installed on the connecting slide, one end of a limit spring is installed on one side of the U-shaped frame, and a U-shaped insert is installed on the other end of the limit spring. The U-shaped insert is slidably installed inside the U-shaped frame. A slot is opened inside the guard rod, and the U-shaped insert is inserted into the slot. A fixing rod is installed below the connecting slide, and a stop bar is installed at one end of the fixing rod. A linkage slider is slidably mounted on the fixing rod, and a connecting rod is rotatably installed on one side of the linkage slider. The connecting rod is rotatably installed on one side of the U-shaped insert.

[0012] Preferably, a limiting rod is installed on the inner wall of the U-shaped insert, the limiting rod is slidably installed inside the U-shaped frame, and a limiting spring is slidably sleeved on the limiting rod.

[0013] Preferably, the alarm structure includes a slide rod, with limit sliders installed on both sides of the slide rod. Both limit sliders are slidably installed inside a U-shaped seat. The U-shaped seat is installed on one side of a guide frame. A compression wheel is rotatably installed on one side of the slide rod, and the compression wheel is in contact with a rope. An alarm is installed on the other side of the slide rod. A control switch is installed on the inner wall of the U-shaped seat. The control switch and the alarm are electrically connected to the same control module. An auxiliary spring is installed on one side of each of the two limit sliders, and one end of each of the two auxiliary springs is installed on the inner wall of the U-shaped seat.

[0014] Preferably, the U-shaped seat has two grooves inside, and two limiting sliders are slidably installed in the two grooves respectively.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] (1) In use, the sliding door can be moved up and down and the flip door can be flipped by opening the electric push rod, thereby realizing the opening and closing of the elevator cage outlet. When the sliding door and the flip door close the elevator cage outlet, the linkage slider will be squeezed by the support plate and drive the U-shaped insert to move through the connecting rod, so that the U-shaped insert will be released from the slot. At this time, under the influence of the counterweight, the guard rod will be flipped. The guard rod will protect the front of the flip door and the sliding door, providing auxiliary support for the flip door, thereby avoiding the flip door from accidentally opening after the rope breaks, thus improving the safety of the elevator cage.

[0017] (2) Under the elastic force of the auxiliary spring, the squeezing wheel can be pressed against the surface of the rope. When the rope breaks, it will become loose. At this time, under the push of the elastic force of the auxiliary spring, the slide bar can be squeezed and the control switch can be triggered. The control module can then be used to activate the alarm to issue an audible and visual alarm, so as to promptly remind staff to check and maintain the equipment and reduce the occurrence of accidents. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a side view of the present invention.

[0020] Figure 3 This is a schematic diagram of the sliding door structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the guard bar structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the explosion-proof structure of the guard bar of this utility model;

[0023] Figure 6 This is a schematic diagram of the guide frame structure of this utility model;

[0024] Figure 7 This is a schematic diagram of the slide bar structure of this utility model;

[0025] The purpose, features, and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings.

[0026] Explanation of icon numbers:

[0027] 100. Elevator cage; 101. Sliding door; 102. Tilting door; 200. Support plate; 201. Electric push rod; 202. Connecting slide block; 203. Rope; 204. Connecting shaft; 205. Guide frame; 206. Pulley; 207. Guide rod; 300. Linkage shaft; 301. Guard rod; 302. Handle; 303. Counterweight; 304. U-shaped frame; 305. Limiting spring; 306. U-shaped insert; 307. Slot; 308. Fixing rod; 309. Stop bar; 310. Linkage slider; 311. Connecting rod; 312. Limiting rod; 400. U-shaped seat; 401. Slide rod; 402. Extrusion wheel; 403. Alarm; 404. Control switch; 405. Limiting slider; 406. Auxiliary spring; 407. Slide groove. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1: Please refer to Figure 1-7 This utility model provides a technical solution: a hoisting elevator passage door structure, including an elevator cage 100; a sliding door 101 is slidably installed on the elevator cage 100, and a flip door 102 is rotatably installed on the elevator cage 100; support plates 200 are installed on both sides of the elevator cage 100, and a drive opening and closing structure is connected to the two support plates 200. The drive opening and closing structure is used to control the movement of the flip door 102 and the sliding door 101 to open and close the exit of the elevator cage 100. A linkage shaft 300 is rotatably installed inside the sliding door 101, and a guard structure is connected to the linkage shaft 300. The guard structure is used to block the front of the flip door 102 after the sliding door 101 is closed to prevent the flip door 102 from flipping and loosening. A U-shaped seat 400 is connected to the drive opening and closing structure, and an alarm structure is connected to the U-shaped seat 400.

[0030] Furthermore, the drive opening and closing structure includes an electric push rod 201, which is installed below the support plate 200. The telescopic end of the electric push rod 201 passes through the support plate 200 and is fitted with a connecting slide 202. The connecting slide 202 is installed on one side of the sliding door 101. One end of a rope 203 is installed on the connecting slide 202, and the other end of the rope 203 is fitted with a connecting shaft 204. The connecting shaft 204 is rotatably mounted on one side of the tilting door 102. A guide frame 205 is installed on one side of the elevator cage 100. A pulley 206 is rotatably mounted on one side of the frame 205. The rope 203 is in contact with the pulley 206. When the electric push rod 201 is activated, its telescopic end drives the connecting slide 202 to descend. As the connecting slide 202 moves, it drives the sliding door 101 to descend and pulls one end of the rope 203 to move. The rope 203 drives the pulley 206 to rotate and pulls the connecting shaft 204 to move, thereby driving the flip door 102 to flip upward. Finally, the descending sliding door 101 and the flip door 102 can close the entrance of the elevator cage 100.

[0031] Furthermore, a guide rod 207 is installed inside the guide frame 205, and the connecting slide 202 is slidably sleeved on the guide rod 207. When the connecting slide 202 moves, it will slide on the guide rod 207. The setting of the guide rod 207 can restrict the vertical movement of the connecting slide 202.

[0032] Furthermore, the protective structure includes a guard rod 301, which is installed at one end of the linkage shaft 300. The other end of the linkage shaft 300 passes through the sliding door 101 and is equipped with a handle 302. A counterweight 303 is installed at one end of the guard rod 301. The guard rod 301 can rotate around the linkage shaft 300 under the influence of the weight of the counterweight 303. While the guard rod 301 is rotating, it can also drive the linkage shaft 300 and the handle 302 to rotate. The rotated guard rod 301 can protect the front of the rotating door 102 and prevent the rotating door 102 from accidentally rotating and opening when the rope 203 breaks. The staff can hold the handle 302 inside the elevator cage 100 to rotate the linkage shaft 300 and drive the guard rod 301 back to a horizontal state.

[0033] Furthermore, a U-shaped frame 304 is installed on the connecting slide 202. One end of a limit spring 305 is installed on one side of the U-shaped frame 304, and a U-shaped insert 306 is installed on the other end of the limit spring 305. The U-shaped insert 306 is slidably installed inside the U-shaped frame 304. A slot 307 is opened inside the guard rod 301, and the U-shaped insert 306 is inserted into the slot 307. A fixing rod 308 is installed below the connecting slide 202. A stop bar 309 is installed on one end of the fixing rod 308, and a linkage slider 310 is slidably sleeved on the fixing rod 308. A connecting rod 311 is rotatably mounted on one side of block 310. The connecting rod 311 is rotatably mounted on one side of U-shaped insert 306. When the connecting slide 202 descends, it will drive the linkage slider 310 to descend, so that the linkage slider 310 will be squeezed by the support plate 200 and slide on the fixed rod 308. When the linkage slider 310 slides, it will push the U-shaped insert 306 to slide horizontally through the connecting rod 311. At the same time that the sliding door 101 and the flip door 102 are completely closed, the moving U-shaped insert 306 will also be completely removed from the slot 307. At this time, the position restriction on the guard bar 301 can be released.

[0034] Furthermore, a limiting rod 312 is installed on the inner wall of the U-shaped insert 306. The limiting rod 312 is slidably installed inside the U-shaped frame 304. The limiting spring 305 is slidably sleeved on the limiting rod 312. When the U-shaped insert 306 slides, it will drive the limiting rod 312 to move and compress the limiting spring 305. The setting of the limiting rod 312 can prevent the limiting spring 305 from bending when it contracts.

[0035] Example 2: As Figure 2-7To promptly alert staff to check for rope 203 breakage, an alarm structure is installed. This structure includes a slide bar 401, with limit sliders 405 mounted on both sides. Both limit sliders 405 are slidably mounted inside a U-shaped base 400, which is installed on one side of the guide frame 205. A compression wheel 402 is rotatably mounted on one side of the slide bar 401, contacting the rope 203. An alarm 403 is mounted on the other side of the slide bar 401. A control switch 404 is installed on the inner wall of the U-shaped base 400, and the control switch 404 and the alarm 403 are electrically connected to the same control module. Each of the two limit sliders 405 has an auxiliary spring 406 installed on one side. One end of each of the two auxiliary springs 406 is installed on the inner wall of the U-shaped seat 400. The U-shaped seat 400 has two grooves 407 inside. The two limit sliders 405 are slidably installed in the two grooves 407 respectively. When the rope 203 breaks, it will become loose. At this time, the auxiliary springs 406 will push the limit sliders 405 and the slide rod 401 to move. The slide rod 401 will squeeze and trigger the control switch 404, so that the control switch 404 uses the control module to turn on the alarm 403 to emit an audible and visual alarm to remind the staff to check the fault in time. The remaining features are the same as in Embodiment 1.

[0036] The working principle is as follows: After the staff enters the elevator cage 100, activating the electric push rod 201 causes its telescopic end to drive the connecting slide 202 to descend. As the connecting slide 202 moves, it also drives the sliding door 101 to descend. Simultaneously, the connecting slide 202 pulls one end of the rope 203, which in turn drives the pulley 206 to rotate and pulls the connecting shaft 204 to move. The connecting shaft 204 rotates on the tilting door 102, causing the tilting door 102 to tilt upwards. Ultimately, this causes the descending sliding door 101 and the tilting door 102 to tilt upwards. Door 102 closes the entrance to the elevator cage 100. Simultaneously, the descent of the connecting slide 202 causes the linkage slider 310 to descend via the fixed rod 308. The continuously descending linkage slider 310 contacts the support plate 200, causing it to slide on the fixed rod 308 under pressure. As the linkage slider 310 slides, it causes one end of the connecting rod 311 to flip and move. The other end of the connecting rod 311 pushes the U-shaped insert 306 to slide horizontally within the U-shaped frame 304. 1. As the sliding door 101 and the tilting door 102 are fully closed, the moving U-shaped insert 306 will also be completely removed from the slot 307. At this time, the position restriction on the guard bar 301 can be released. Subsequently, the guard bar 301 will be tilted downward under the influence of the weight of the counterweight 303. The guard bar 301 will drive the linkage shaft 300 and the handle 302 to tilt, so that the tilting door 102 is protected by the tilting door 101 and the tilting door 102. With the blocking of the guard bar 301, the tilting door 102 can be prevented from accidentally tilting in the event of a breakage of the rope 203. The flip-up design enhances safety. When staff need to leave the elevator cage 100, they can hold the handle 302 inside the cage to rotate the linkage shaft 300, causing the guardrail 301 to return to a horizontal state. Then, the electric push rod 201 is controlled to rise and drive the sliding door 101 to reset. During this process, the linkage slider 310 will disengage from the support plate 200. At this time, the retracted limit spring 305 will push the U-shaped insert 306 to re-insert into the slot 307, limiting the angle of the guardrail 301 for subsequent use.

[0037] When the auxiliary spring 406 is in a contracted state, the compression wheel 402 will adhere to the surface of the rope 203 under the elastic force of the auxiliary spring 406. When the rope 203 breaks, it will become loose. At this time, the contracted auxiliary spring 406 will push the limit slider 405 to slide in the slide groove 407, thereby causing the limit slider 405 to drive the slide rod 401 to move. The slide rod 401 will then drive the compression wheel 402 to move. The continuously moving slide rod 401 will compress and trigger the control switch 404, causing the control switch 404 to transmit a signal to the control module. The control module will then control the alarm 403 to emit an audible and visual alarm to remind staff to check for faults in time. The alarm 403, control switch 404, and control module can all be powered by an external power source.

[0038] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A construction elevator cage access door structure comprising an elevator cage (100); characterized by: A sliding door (101) is slidably installed on the elevator cage (100), and a flip door (102) is rotatably installed on the elevator cage (100). Support plates (200) are installed on both sides of the elevator cage (100), and a drive opening and closing structure is connected to the two support plates (200). A linkage shaft (300) is rotatably installed inside the sliding door (101), and a guard structure is connected to the linkage shaft (300). A U-shaped seat (400) is connected to the drive opening and closing structure, and an alarm structure is connected to the U-shaped seat (400).

2. A cage construction elevator landing door structure according to claim 1, characterized in that: The drive opening and closing structure includes an electric push rod (201), which is installed below the support plate (200). The telescopic end of the electric push rod (201) passes through the support plate (200) and is equipped with a connecting slide (202). The connecting slide (202) is installed on one side of the sliding door (101). One end of a rope (203) is installed on the connecting slide (202), and the other end of the rope (203) is equipped with a connecting shaft (204). The connecting shaft (204) is rotatably installed on one side of the flip door (102). A guide frame (205) is installed on one side of the elevator cage (100), and a pulley (206) is rotatably installed on one side of the guide frame (205). The rope (203) is in contact with the pulley (206).

3. A cage construction elevator landing door structure according to claim 2, characterized in that: The guide frame (205) has a guide rod (207) installed inside, and the connecting slide (202) is slidably sleeved on the guide rod (207).

4. A cage construction elevator landing door structure according to claim 1, characterized in that: The guard structure includes a guard rod (301), which is installed at one end of the linkage shaft (300). The other end of the linkage shaft (300) passes through the sliding door (101) and is equipped with a handle (302). A counterweight (303) is installed at one end of the guard rod (301).

5. A cage construction elevator landing door structure according to claim 2, characterized in that: A U-shaped frame (304) is installed on the connecting slide (202). One end of a limit spring (305) is installed on one side of the U-shaped frame (304), and a U-shaped insert (306) is installed on the other end of the limit spring (305). The U-shaped insert (306) is slidably installed inside the U-shaped frame (304). A slot (307) is opened inside the guard rod (301), and the U-shaped insert (306) is inserted into the slot (307). A fixing rod (308) is installed below the connecting slide (202). A stop bar (309) is installed at one end of the fixing rod (308). A linkage slider (310) is slidably sleeved on the fixing rod (308). A connecting rod (311) is rotatably installed on one side of the linkage slider (310), and the connecting rod (311) is rotatably installed on one side of the U-shaped insert (306).

6. A cage construction elevator landing door structure according to claim 5, characterized in that: The inner wall of the U-shaped insert (306) is equipped with a limiting rod (312), the limiting rod (312) is slidably installed inside the U-shaped frame (304), and the limiting spring (305) is slidably sleeved on the limiting rod (312).

7. A cage construction elevator landing door structure according to claim 1, characterized in that: The alarm structure includes a slide rod (401), with limit sliders (405) installed on both sides of the slide rod (401). Both limit sliders (405) are slidably installed inside a U-shaped seat (400). The U-shaped seat (400) is installed on one side of a guide frame (205). A compression wheel (402) is rotatably installed on one side of the slide rod (401). The compression wheel (402) is in contact with a rope (203). An alarm (403) is installed on the other side of the slide rod (401). A control switch (404) is installed on the inner wall of the U-shaped seat (400). The control switch (404) and the alarm (403) are electrically connected to the same control module. An auxiliary spring (406) is installed on one side of each of the two limit sliders (405). One end of each of the two auxiliary springs (406) is installed on the inner wall of the U-shaped seat (400).

8. A cage construction elevator landing door structure according to claim 7, characterized in that: The U-shaped seat (400) has two grooves (407) inside, and two limiting sliders (405) are slidably installed in the two grooves (407) respectively.

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