Warning device for elevator installation

Abstract

The invention discloses a warning device for elevator installation, and relates to the technical field of elevator warning, the warning device comprises a frame body and an adjusting assembly assembled at the top of the frame body, an opening assembly is installed at the top of the frame body, in order to prevent the frame body from toppling over due to accidental collision, a limiting column is pressed to be retracted into a sliding stop lever along a limiting hole, a telescopic spring is compressed, and the sliding stop lever is opened. Then the sliding stop lever is pulled outwards to slide along the periphery of the supporting rod, when the sliding stop lever reaches the maximum stroke position, the telescopic spring rebounds to push the limiting column to move out of the limiting hole, and the sliding stop lever pulls the sliding plate to slide on the connecting plate through the fixing piece by moving the sliding stop lever; and then a sliding sleeve block connected with a mounting plate and a contact rod is driven to slide on the periphery of a connecting column and extrudes a pressure spring, so that an abutting plate moves to the maximum stroke, a friction rubber sheet abuts against a telescopic plate to be tightly attached to the elevator door frame, the friction force with the elevator door frame is increased, and the frame body is effectively prevented from being accidentally collided by pedestrians and toppling over.

Description

Technical Field

[0001] The invention relates to the technical field of elevator warning technology, and in particular to a warning device for elevator installation. Background Art

[0002] As a permanent transportation equipment serving multiple specific floors inside a building, the elevator car moves along at least two rows of rigid tracks that are perpendicular to the horizontal plane or have an inclination angle of less than 15° to the plumb line. In order to ensure the safety of the elevator installation process, prevent outsiders from mistakenly entering the installation area, improve the safety of the overall operation, and prevent the occurrence of dangerous accidents, special warning devices are usually placed at the installation entrance when installing the elevator.

[0003] The utility model patent with authorization announcement number CN218826005U discloses an innovative warning device for elevator installation. The device adds water into a rectangular tube. In this way, the clean water can fill the hollow seat and the rectangular tube, thereby greatly increasing the overall weight of the warning device, making it more stable when placed and not easily tipped over by wind or slight touch.

[0004] However, in actual application scenarios, although this warning device improves stability by increasing weight, it still poses potential safety hazards. For example, if pedestrians do not pay attention while walking and accidentally bump into the warning device, it may still cause it to fall. Once the warning device falls, it may not only damage the equipment, but more importantly, it may expose the elevator shaft, causing pedestrians to fall into it, leading to serious accidents. Summary of the invention

[0005] The purpose of the present invention is to solve the problem that in actual application scenarios, although the warning device improves stability by increasing weight, it still has potential safety hazards. For example, if pedestrians do not pay attention during walking and accidentally collide with the warning device, it may still cause it to fall. Once the warning device falls, it may not only damage the equipment, but more importantly, it may expose the elevator shaft, causing pedestrians to fall into it, thus causing serious dangerous accidents.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a warning device for elevator installation: comprising a frame, and also comprising: an adjustment component mounted on the top of the frame, and the top of the frame is equipped with two symmetrical propping components;

[0007] The expansion assembly includes a mounting plate connected to the inside of the adjustment assembly, and a plurality of fixing plates fixedly connected to the top of the frame body, a limiting groove is opened inside the mounting plate, a connecting column is connected between every two fixing plates, and a pressure spring is sleeved on the outer periphery of the connecting column, a sliding sleeve block is slidably connected to the outer periphery of the connecting column, and a contact rod in contact with the limiting groove is connected to the top of the sliding sleeve block, a pusher is connected to one side of the sliding sleeve block, a support member is installed on the top of the frame body, and the support member is in contact with the pusher;

[0008] As the adjustment component opens, the mounting plate is driven to move, so that the mounting plate pushes the contact rod to drive the sliding sleeve to slide around the outer periphery of the connecting column, and at the same time drives the pushing member to slide, so that the pushing member squeezes the supporting member while sliding, so that the supporting member contacts the wall to increase friction.

[0009] As a further description of the above technical solution:

[0010] The pushing member includes two extension plates connected to one side of the sliding sleeve block, and a positioning column is fixedly connected between the two extension plates, a moving groove is opened inside the frame body, and a moving block is slidably connected inside the moving groove, a pushing groove is opened on the top of the moving block, and a pushing block is slidably connected to the inner wall of the pushing groove, one side of the pushing block is fixedly connected to two connecting plates, and a mounting rod is fixedly connected between the two connecting plates, the mounting rod and the positioning column are rotatably connected by a rotating sleeve rod, and a contact plate is fixedly connected to the side of the pushing block away from the connecting plate.

[0011] As a further description of the above technical solution:

[0012] The support member includes a positioning plate fixedly connected to the top of the frame, and two positioning rods are fixedly connected to one side of the positioning plate close to the pushing block, and one side of the two positioning rods is fixedly connected to a limiting plate, the outer peripheries of the two positioning rods are slidably connected with a telescopic plate, the outer peripheries of the positioning rods are sleeved with compression springs, and a friction rubber sheet is installed on one side of the telescopic plate.

[0013] As a further description of the above technical solution:

[0014] One side of the telescopic plate is provided with an inclined surface, and the inclined surface is in contact with the abutting plate, and one side of the friction rubber sheet is provided with a plurality of protruding blocks.

[0015] As a further description of the above technical solution:

[0016] The frame body comprises a bottom plate, the top of the bottom plate is slidably connected to a connecting plate via a tightening assembly, the top of the connecting plate is fixedly connected to a supporting plate, and a warning mark is installed on one side of the supporting plate.

[0017] As a further description of the above technical solution:

[0018] The adjustment assembly includes a plurality of support rods fixedly connected to both sides of the support plate, and the outer periphery of the support rods is connected to a sliding column, an inner cavity is opened inside the support rod, the inner wall of the inner cavity is slidably connected to a limiting column, and a telescopic spring is connected between the limiting column and the sliding column.

[0019] As a further description of the above technical solution:

[0020] The outer periphery of the support rod is slidably connected to a sliding baffle rod, and a sliding groove is provided on the outer periphery of the sliding baffle rod, and the sliding column and the sliding groove are slidably connected, and a plurality of limit holes in contact with the limit columns are provided on the outer periphery of the sliding baffle rod, and a sliding plate is connected to the outer periphery of the sliding baffle rod through a fixing part, and the sliding plate is slidably connected to the upper surface of the connecting plate.

[0021] As a further description of the above technical solution:

[0022] The pressing component comprises a sliding piece arranged on the top of the bottom plate and an inclined block connected to one side of the supporting plate. The top of the bottom plate is fixedly connected with the pressing piece.

[0023] As a further description of the above technical solution:

[0024] The sliding member comprises a slot opened on the top of the bottom plate, and a plurality of fixing columns are fixedly connected between the inner walls of the slot, and a connecting plate is slidably connected to the outer periphery of the fixing column, and a compression spring is sleeved on the outer periphery of the fixing column.

[0025] As a further description of the above technical solution:

[0026] The clamping member includes a fixed block fixedly connected to the top of the bottom plate, a through groove and an inner groove connected to the through groove are provided inside the fixed block, an avoidance groove is provided on one side of the fixed block and the through groove, two symmetrical abutting blocks are slidably connected to the inner wall of the through groove, and a clamping rubber sheet is connected to one side of the abutting block, an inclined surface contacting the inclined block is provided on one side of the abutting block, a sliding rod is fixedly connected between the inner walls of the inner groove, and the outer periphery of the sliding rod is slidably connected to a connecting block fixedly installed on the top of the abutting block, and an elastic spring is sleeved on the outer periphery of the sliding rod.

[0027] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0028] During the installation or maintenance of an elevator, it is crucial to ensure the safety of the work area. To this end, the frame must first be securely placed in the middle of the elevator door frame. At this time, the support plate on the frame displays a warning sign. This design is intended to clearly warn passers-by that the elevator room is undergoing maintenance or installation work, thereby effectively preventing pedestrians from mistakenly entering and avoiding potential safety risks.

[0029] In order to further strengthen the safety measures and prevent the frame from tipping over due to accidental collision, we have adopted a series of fixing measures. By pressing the limit column, it is retracted into the inside of the sliding block rod along the limit hole, and the telescopic spring is compressed. Then the sliding block rod is pulled outward to slide along the outer periphery of the support rod. When the sliding block rod reaches the maximum stroke position, the telescopic spring rebounds and pushes the limit column out of the limit hole, thereby realizing reliable fixing of the sliding block rod.

[0030] This series of operations not only stabilizes the frame, but also links a series of safety mechanisms through the movement of the sliding stopper. The sliding stopper pulls the sliding plate to slide on the connecting plate through the fixing piece, thereby driving the sliding sleeve block connected to the mounting plate and the contact rod to slide on the outer periphery of the connecting column and squeeze the pressure spring. This series of chain reactions eventually causes the contact plate to move to the maximum stroke, and the friction rubber sheet is pressed against the elevator door frame by the telescopic plate, which increases the friction with the elevator door frame and effectively prevents the frame from being accidentally hit by pedestrians and tipping over.

[0031] In addition, when a pedestrian comes into contact with the support plate, the connecting plate connected to the bottom of the support plate will slide along the outer periphery of the fixed column and squeeze the extrusion spring. At the same time, the movement of the support plate also drives the inclined block to move synchronously, pushing the tightening rubber sheet connected to the moving block to gradually fit tightly with the elevator door frame. When the connecting plate moves to the maximum stroke, the tightening rubber sheet is completely in close contact with the elevator door frame, further increasing the friction and effectively preventing the frame from tipping over. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 Shows a schematic diagram of the overall structure according to the present invention;

[0033] Figure 2 It is shown that according to the present invention Figure 1 Another perspective structural diagram;

[0034] Figure 3 A schematic diagram of the structure of the regulating assembly according to the present invention is shown;

[0035] Figure 4 It is shown that according to the present invention Figure 3 A partial enlarged view of the middle part;

[0036] Figure 5 A schematic diagram of the bottom plate structure according to the present invention is shown;

[0037] Figure 6 It is shown that according to the present invention Figure 5 A partial enlarged view of point B in the middle;

[0038] Figure 7 It shows a schematic diagram of the structure of a moving block according to the present invention;

[0039] Figure 8 It is shown that according to the present invention Figure 7 Another perspective structural diagram;

[0040] Fig. 9 A schematic structural diagram of a tightening assembly according to the present invention is shown.

[0041] Legend:

[0042] 10. Frame; 11. Bottom plate; 12. Connecting plate; 13. Support plate; 14. Warning sign;

[0043] 20. Adjustment assembly; 21. Support rod; 211. Sliding column; 212. Inner cavity; 213. Limiting column; 214. Telescopic spring; 22. Sliding stopper; 221. Sliding slot; 222. Limiting hole; 23. Sliding plate; 24. Fixing piece;

[0044] 30. Spreading assembly; 31. Mounting plate; 311. Limiting groove; 32. Fixing plate; 321. Connecting column; 322. Pressure spring; 33. Sliding sleeve block; 331. Contact rod; 332. Extension plate; 333. Positioning column; 34. Moving groove; 341. Moving block; 342. Pushing groove; 343. Pushing block; 344. Connecting plate; 345. Mounting rod; 346. Rotating sleeve rod; 347. Abutting plate; 35. Positioning plate; 351. Positioning rod; 352. Limiting plate; 353. Compression spring; 354. Telescopic plate; 355. Friction rubber sheet; 356. Inclined surface;

[0045] 40. Clamping assembly; 41. Slot; 42. Fixed column; 43. Extrusion spring; 44. Fixed block; 441. Through slot; 442. Avoidance slot; 443. Inner slot; 45. Oblique block; 46. Moving block; 461. Inclined surface; 462. Clamping rubber sheet; 47. Connecting block; 471. Sliding rod; 472. Elastic spring. DETAILED DESCRIPTION

[0046] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0047] like Figure 1-Figure 9As shown, the present invention provides an elevator installation warning device: comprising a frame 10, the frame 10 comprises a bottom plate 11, the top of the bottom plate 11 is slidably connected to a connecting plate 12 through a tightening assembly 40, the top of the connecting plate 12 is fixedly connected to a supporting plate 13, and a warning sign 14 is installed on one side of the supporting plate 13, and also comprises: an adjustment assembly 20 assembled on the top of the frame 10, the adjustment assembly 20 comprises a plurality of supporting rods 21 fixedly connected to both sides of the supporting plate 13, and the outer periphery of the supporting rod 21 is connected to a sliding column 211, the interior of the supporting rod 21 is provided with an inner cavity 212, and the inner wall of the inner cavity 212 is slidably connected to the inner wall of the inner cavity 212. A limit post 213 is provided, and a telescopic spring 214 is connected between the limit post 213 and the sliding post 211. The two ends of the telescopic spring 214 are respectively connected to the inner cavity 212 and the limit post 213. The outer periphery of the support rod 21 is slidably connected to the sliding block rod 22, and the outer periphery of the sliding block rod 22 is provided with a sliding groove 221, and the sliding post 211 is slidably connected to the sliding groove 221. The outer periphery of the sliding block rod 22 is provided with a plurality of limit holes 222 that contact the limit post 213. The outer periphery of the sliding block rod 22 is connected to the sliding plate 23 through a fixing member 24, and the sliding plate 23 is slidably connected to the upper surface of the connecting plate 12.

[0048] During the installation or maintenance of the elevator, a series of safety measures need to be taken to ensure the safety of the work area. Specifically, the frame 10 should be securely placed in the middle of the door frame of the elevator. At this time, the support plate 13 on the frame 10 will be connected and display the warning sign 14. This setting is intended to clearly send a warning signal to passers-by, indicating that the elevator room is currently undergoing maintenance or installation work, thereby effectively preventing pedestrians from mistakenly entering the elevator and avoiding potential safety risks.

[0049] In order to further strengthen the safety measures and prevent the frame 10 from tipping over due to unintentional collision by pedestrians during installation or maintenance, or even causing serious situations such as pedestrians accidentally falling into the elevator shaft, additional fixing measures need to be taken, and the operation steps are as follows: first, press the limit column 213 so that it can smoothly retract into the inside of the sliding block rod 22 along the limit hole 222, and compress the telescopic spring 214 in the process, and then pull the sliding block rod 22 outward so that it can slide smoothly along the outer periphery of the support rod 21. As the sliding block rod 22 moves, the sliding column 211 on the outer periphery of the support rod 21 will also move along the inside of the sliding groove 221 accordingly;

[0050] When the sliding block rod 22 moves to the maximum stroke position, the telescopic spring 214 which was previously in a compressed state will rebound and push the limiting column 213 to slide in the inner cavity 212, so that the limiting column 213 can be smoothly moved out along the limiting hole 222, thereby reliably fixing the sliding block rod 22;

[0051] At the same time, as the sliding stopper 22 moves, it will also pull the sliding plate 23 to slide on the surface of the connecting plate 12 through the fixing member 24. This linkage design not only enhances the stability of the frame 10, but also further improves the functionality and practicality of the entire safety device.

[0052] like Figure 1 , Figure 2 , Figure 5 , Figure 6 , Figure 7 , Figure 8 As shown, the top of the bottom plate 11 is equipped with two symmetrical expansion components 30, which include a mounting plate 31 connected to the inside of the sliding plate 23 and a plurality of fixing plates 32 fixedly connected to the top of the bottom plate 11. The mounting plate 31 is provided with a limiting groove 311 inside. A connecting column 321 is connected between each two fixing plates 32, and a pressure spring 322 is sleeved on the outer periphery of the connecting column 321. The two ends of the pressure spring 322 are respectively connected to the fixing plate 32 and the sliding sleeve block 33. The outer periphery of the connecting column 321 is slidably connected to the sliding sleeve block 33. The sliding sleeve block 33 is provided with a contact rod 331 which contacts the limiting groove 311 at the top of the sliding sleeve block 33, a pusher is connected to one side of the sliding sleeve block 33, a support is installed on the top of the bottom plate 11, and the support contacts the pusher, the pusher includes two extension plates 332 connected to one side of the sliding sleeve block 33, and a positioning column 333 is fixedly connected between the two extension plates 332, a moving groove 34 is provided inside the bottom plate 11, and a moving block 341 is slidably connected inside the moving groove 34, and a pusher is provided on the top of the moving block 341 The inner wall of the push groove 342 is slidably connected with a push block 343, one side of the push block 343 is fixedly connected with two connecting plates 344, and a mounting rod 345 is fixedly connected between the two connecting plates 344, and the mounting rod 345 is rotatably connected to the positioning column 333 through a rotating sleeve rod 346, and the side of the push block 343 away from the connecting plate 344 is fixedly connected with an abutment plate 347, and the support member includes a positioning plate 35 fixedly connected to the top of the bottom plate 11, and the side of the positioning plate 35 close to the push block 343 is fixedly connected with two fixed The positioning rods 351 are fixedly connected to the limiting plate 352 on one side of the two positioning rods 351. The outer peripheries of the two positioning rods 351 are slidably connected to the telescopic plate 354. The outer peripheries of the positioning rods 351 are sleeved with compression springs 353. The two ends of the compression springs 353 are respectively connected to the positioning plate 35 and the telescopic plate 354. A friction rubber sheet 355 is installed on one side of the telescopic plate 354. An inclined surface 356 is provided on one side of the telescopic plate 354, and the inclined surface 356 contacts the abutting plate 347. A plurality of protrusions are provided on one side of the friction rubber sheet 355.

[0053] As the sliding plate 23 moves, the mounting plate 31 will move synchronously. The movement of the mounting plate 31 will drive the sliding sleeve block 33 connected to the contact rod 331 to slide around the outer periphery of the connecting column 321 and squeeze the pressure spring 322. At the same time, the positioning column 333 connected to the extension plate 332 on one side of the sliding sleeve block 33 will push the rotating sleeve rod 346 to move together. The rotating sleeve rod 346 will then push the pushing block 343 connected to the connecting plates 344 at both ends of the mounting rod 345 to move in the pushing groove 342. When the pushing block 343 moves to the maximum stroke of the pushing groove 342, it will push the moving block 341 to move in the moving groove 34.

[0054] When the sliding stopper 22 moves to the maximum stroke and is fixed, the moving block 341 will also move along the moving groove 34 to the maximum stroke and be restricted. At the same time, as the pushing block 343 moves, the abutment plate 347 will also move accordingly. When the abutment plate 347 is about to reach the maximum stroke, it will contact the inclined surface 356 of the telescopic plate 354. As the abutment plate 347 continues to move, it will push the telescopic plate 354 to slide on the outer periphery of the positioning rod 351 and squeeze the compression spring 353. At the same time, the movement of the telescopic plate 354 will drive the friction rubber sheet 355 to contact the elevator door frame. When the abutment plate 347 moves to the maximum stroke, it will push the friction rubber sheet 355 through the telescopic plate 354 to close to the elevator door frame, so as to increase the friction with the elevator door frame through the protruding block, so as to prevent the frame 10 from being accidentally hit by pedestrians and causing it to tip over.

[0055] When the contact with the elevator door needs to be released, the limiting column 213 needs to be pressed again to make it retract into the sliding block rod 22 along the limiting hole 222, and squeeze the telescopic spring 214, and then move the sliding block rod 22 inward to make it slide along the outer periphery of the support rod 21, and at the same time, the sliding column 211 on the outer periphery of the support rod 21 will also move along the inside of the sliding groove 221. When the sliding block rod 22 moves to the minimum stroke, the telescopic spring 214 in the squeezed state will rebound and push the limiting column 213 to slide in the inner cavity 212, so that the limiting column 213 moves out along the limiting hole 222 and fixes the sliding block rod 22.

[0056] At the same time, as the sliding stopper 22 moves, it will pull the sliding plate 23 to slide on the surface of the connecting plate 12 through the fixing member 24. As the two sliding plates 23 approach each other, the mounting plate 31 will pull the contact rod 331 to move synchronously, so that the sliding sleeve block 33 is reset under the action of the contact rod 331 and the pressure spring 322. As the sliding sleeve block 33 resets, the positioning column 333 connected by the two extension plates 332 will pull the rotating sleeve rod 346 to move, and the rotating sleeve rod 346 will then pull the connecting plates 344 at both ends of the mounting rod 345 to connect. The connected pushing block 343 moves in the pushing groove 342. As the pushing block 343 continues to move in the pushing groove 342, it will drive the moving block 341 to move in the moving groove 34, so that the abutment plate 347 gradually breaks away from the contact with the telescopic plate 354 and resets. When the telescopic plate 354 breaks away from the contact with the abutment plate 347, the compression spring 353 in the extruded state will rebound and push the telescopic plate 354 to slide on the outer periphery of the positioning rod 351, so that the telescopic plate 354 drives the friction rubber sheet 355 to reset and break away from the abutment with the elevator door frame.

[0057] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Fig. 9 As shown, the pressing assembly 40 includes a sliding member opened at the top of the bottom plate 11, and an inclined block 45 connected to one side of the support plate 13. The top of the bottom plate 11 is fixedly connected with the pressing member. The sliding member includes a slot 41 opened at the top of the bottom plate 11, and a plurality of fixing columns 42 are fixedly connected between the inner walls of the slot 41, and the outer periphery of the fixing column 42 is slidably connected to the connecting plate 12. The outer periphery of the fixing column 42 is sleeved with an extrusion spring 43. The pressing member includes a fixing block 44 fixedly connected to the top of the bottom plate 11, and the interior of the fixing block 44 is provided with a through slot 441 and a spring connected to the through slot 441. The inner groove 443 is connected to the fixed block 44, and a avoidance groove 442 is provided on one side of the fixed block 44 and the through groove 441. Two symmetrical abutting blocks 46 are slidably connected to the inner wall of the through groove 441, and a tight rubber sheet 462 is connected to one side of the abutting block 46. An inclined surface 461 in contact with the inclined block 45 is provided on one side of the abutting block 46. A sliding rod 471 is fixedly connected between the inner walls of the inner groove 443, and a connecting block 47 fixedly installed on the top of the abutting block 46 is slidably connected to the outer periphery of the sliding rod 471, and an elastic spring 472 is sleeved on the outer periphery of the sliding rod 471;

[0058] In order to further increase the stable contact between the frame 10 and the elevator door frame and prevent the frame 10 from tipping over, when the pedestrian contacts the support plate 13, the connecting plate 12 connected to the bottom of the support plate 13 will slide smoothly along the outer periphery of the fixed column 42, and in the process, the extrusion spring 43 will be squeezed. At the same time, the movement of the support plate 13 will also drive the mounting plate 31 to move synchronously, so that the contact rod 331 can slide smoothly in the limiting groove 311. In addition, the movement of the support plate 13 also drives the inclined block 45 to move synchronously. The inclined block 45 gradually acts on the inclined surface 461 of the abutting block 46, pushing the abutting block 46 to move along the through groove 441. The movement of the abutting block 46 drives the connecting block 47 to slide along the outer periphery of the sliding rod 471 and squeeze the elastic spring 472.

[0059] As the inclined block 45 continues to move, it pushes the rubber sheet 462 connected to the abutting block 46 to gradually fit tightly with the elevator door frame. When the connecting plate 12 moves along the fixed column 42 to its maximum stroke, the inclined block 45 on the support plate 13 finally pushes the abutting block 46, so that the rubber sheet 462 is completely in close contact with the elevator door frame, thereby significantly increasing the friction force and effectively preventing the frame 10 from tipping over.

[0060] When there is no pedestrian in contact with the support plate 13, the extrusion spring 43 in the extrusion state will release its potential energy, pushing the connecting plate 12 to move in the opposite direction along the fixed column 42. This movement causes the support plate 13 to drive the inclined block 45 to break away from the contact with the inclined surface 461 of the abutment block 46. At this time, the elastic spring 472 rebounds, pushing the connecting block 47 to drive the abutment block 46 to return to its original position, preparing for the next pedestrian contact and support.

[0061] Working principle: When installing or repairing an elevator, to ensure safety, the frame 10 must first be securely placed in the middle of the elevator door frame. At this time, the support plate 13 on the frame 10 will display a warning sign 14 to prevent pedestrians from entering by mistake. To further strengthen safety measures, the following fixing steps must be taken:

[0062] The limit column 213 is pressed to retract into the sliding block rod 22, and the sliding block rod 22 is pulled to slide along the support rod 21. When the sliding block rod 22 reaches the maximum stroke, the telescopic spring 214 rebounds, the limit column 213 slides out and fixes the sliding block rod 22. At the same time, the sliding block rod 22 drives the sliding plate 23 to slide on the surface of the connecting plate 12 through the fixing member 24, and then drives the mounting plate 31 to move. The movement of the mounting plate 31 causes the sliding sleeve block 33 connected to the contact rod 331 to slide on the periphery of the connecting column 321 and squeeze the pressure spring 322. In this process, a series of chain reactions cause the abutment plate 347 to move, and finally the friction rubber sheet 355 is pressed against the elevator door frame through the telescopic plate 354, thereby increasing the friction force and preventing the frame 10 from tipping over.

[0063] In addition, when a pedestrian comes into contact with the support plate 13, the support plate 13 will slide along the fixed column 42 and squeeze the extrusion spring 43. At the same time, the movement of the support plate 13 also drives the mounting plate 31 to move synchronously, so that the contact rod 331 slides in the limiting groove 311. The movement of the support plate 13 also drives the inclined block 45 to move. The inclined block 45 acts on the abutting block 46, pushing the abutting rubber sheet 462 connected to the abutting block 46 to gradually fit closely with the elevator door frame, further increasing the friction force and preventing the frame 10 from tipping over.

[0064] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A warning device for elevator installation, comprising a frame (10), characterized in that: Also includes: An adjusting assembly (20) is mounted on the top of the frame (10), and two symmetrical spreading assemblies (30) are mounted on the top of the frame (10); The spreading assembly (30) comprises a mounting plate (31) connected to the inside of the adjusting assembly (20), and a plurality of fixing plates (32) fixedly connected to the top of the frame (10); a limiting groove (311) is provided inside the mounting plate (31); a connecting column (321) is connected between every two fixing plates (32); a pressure spring (322) is sleeved on the outer periphery of the connecting column (321); a sliding sleeve block (33) is slidably connected to the outer periphery of the connecting column (321); a contact rod (331) in contact with the limiting groove (311) is connected to the top of the sliding sleeve block (33); a pushing member is connected to one side of the sliding sleeve block (33); a supporting member is installed on the top of the frame (10), and the supporting member is in contact with the pushing member; As the adjusting assembly (20) opens, the mounting plate (31) is driven to move, so that the mounting plate (31) pushes the contact rod (331) to drive the sliding sleeve (33) to slide on the periphery of the connecting column (321), and at the same time drives the pushing member to slide, so that the pushing member presses the supporting member while sliding, so that the supporting member contacts the wall to increase the friction.

2. An elevator installation warning device according to claim 1, characterized in that: The pushing member comprises two extension plates (332) connected to one side of the sliding sleeve block (33), and a positioning column (333) is fixedly connected between the two extension plates (332); a moving groove (34) is provided inside the frame body (10), and a moving block (341) is slidably connected inside the moving groove (34); a pushing groove (342) is provided at the top of the moving block (341), and a pushing block (343) is slidably connected to the inner wall of the pushing groove (342); one side of the pushing block (343) is fixedly connected to two connecting plates (344), and a mounting rod (345) is fixedly connected between the two connecting plates (344); the mounting rod (345) and the positioning column (333) are rotatably connected via a rotating sleeve rod (346); and a side of the pushing block (343) away from the connecting plate (344) is fixedly connected to an abutment plate (347).

3. An elevator installation warning device according to claim 2, characterized in that: The support member comprises a positioning plate (35) fixedly connected to the top of the frame body (10), and two positioning rods (351) are fixedly connected to one side of the positioning plate (35) close to the pushing block (343), and one side of the two positioning rods (351) is fixedly connected to a limiting plate (352), the outer peripheries of the two positioning rods (351) are slidably connected to a telescopic plate (354), the outer peripheries of the positioning rods (351) are sleeved with compression springs (353), and one side of the telescopic plate (354) is installed with a friction rubber sheet (355).

4. An elevator installation warning device according to claim 3, characterized in that: A slope (356) is provided on one side of the telescopic plate (354), and the slope (356) is in contact with the abutment plate (347), and a plurality of protrusions are provided on one side of the friction rubber sheet (355).

5. The warning device for elevator installation according to claim 1, characterized in that: The frame (10) comprises a bottom plate (11), the top of the bottom plate (11) is slidably connected to a connecting plate (12) via a tightening assembly (40), the top of the connecting plate (12) is fixedly connected to a supporting plate (13), and a warning sign (14) is installed on one side of the supporting plate (13).

6. An elevator installation warning device according to claim 5, characterized in that: The adjustment assembly (20) comprises a plurality of support rods (21) fixedly connected to both sides of the support plate (13), wherein the outer periphery of the support rods (21) is connected to a sliding column (211), an inner cavity (212) is provided inside the support rods (21), the inner wall of the inner cavity (212) is slidably connected to a limiting column (213), and a telescopic spring (214) is connected between the limiting column (213) and the sliding column (211).

7. An elevator installation warning device according to claim 6, characterized in that: The outer periphery of the support rod (21) is slidably connected to a sliding block rod (22), and a sliding groove (221) is provided on the outer periphery of the sliding block rod (22), and the sliding column (211) is slidably connected to the sliding groove (221), and a plurality of limiting holes (222) contacting the limiting columns (213) are provided on the outer periphery of the sliding block rod (22), and a sliding plate (23) is connected to the outer periphery of the sliding block rod (22) through a fixing member (24), and the sliding plate (23) is slidably connected to the upper surface of the connecting plate (12).

8. The warning device for elevator installation according to claim 5, characterized in that: The abutting assembly (40) comprises a sliding member opened on the top of the bottom plate (11) and an inclined block (45) connected to one side of the support plate (13); the top of the bottom plate (11) is fixedly connected with the abutting member.

9. An elevator installation warning device according to claim 8, characterized in that: The sliding member comprises a slot (41) formed on the top of the bottom plate (11), a plurality of fixing columns (42) are fixedly connected between the inner walls of the slot (41), the outer periphery of the fixing columns (42) is slidably connected to the connecting plate (12), and the outer periphery of the fixing columns (42) is sleeved with a compression spring (43).

10. An elevator installation warning device according to claim 9, characterized in that: The clamping member comprises a fixed block (44) fixedly connected to the top of the bottom plate (11); a through groove (441) and an inner groove (443) communicating with the through groove (441) are provided inside the fixed block (44); a avoidance groove (442) is provided on one side of the fixed block (44) and passes through the fixed block (44) and the through groove (441); two symmetrical abutting blocks (46) are slidably connected to the inner wall of the through groove (441); a clamping rubber sheet (462) is connected to one side of the abutting block (46); an inclined surface (461) in contact with the inclined block (45) is provided on one side of the abutting block (46); a sliding rod (471) is fixedly connected between the inner walls of the inner groove (443); the outer periphery of the sliding rod (471) is slidably connected to a connecting block (47) fixedly mounted on the top of the abutting block (46); and an elastic spring (472) is sleeved on the outer periphery of the sliding rod (471).

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