CN216836711U - Device for shielding gap between elevator car sill and floor pedal - Google Patents

Abstract

A device for shielding a gap between an elevator car sill and a floor pedal structurally comprises a left elevator door (1), a right elevator door (2), a car sill (3), a floor pedal (4), a gap shielding plate (5), a moving cam (6), a rack (7), a rack left end guide rail (8), a rack right end guide rail (9), an incomplete gear (10), a gap shielding plate left end supporting seat (11), a gap shielding plate right end supporting seat (12), a rear end roller (13), a roller shaft (14), a front end roller (15), a rack left end limiting block (16) and a rack right end limiting block (17). When the left elevator door (1) is opened and closed, the movable cam (6) is driven to move left and right, the rack (7) is driven to move up and down, the rack drives the incomplete gear (10) to rotate, the gap shielding plate (5) rotates clockwise by 90 degrees to shield the gap when the elevator door is opened, and the gap shielding plate (5) rotates anticlockwise by 90 degrees to reset when the elevator door is closed.

Description

Device for shielding gap between elevator car sill and floor pedal

Technical Field

The utility model belongs to the technical field of the elevator and specifically relates to a can shelter from device in gap between elevator car sill and floor footboard.

Background

Because there is inevitable gap (30 mm mostly) between car sill and the floor footboard of car elevator car bottom car, to tiny article, for example key, USB flash disk, cell-phone etc. drop into the gap more easily, also very easily cause the potential safety hazard for the elevator operation when causing loss of property. In addition, the thin-heeled high-heeled shoes are easily clamped by gaps, so that safety accidents are easily caused while the normal operation of the elevator is influenced.

Patent CN214298815U has proposed an elevator device that can shelter from gap between elevator car sill and floor footboard, and the device structure is succinct, need not the additional power, has reduced power equipment's installation, and spare part simple structure easily processes. However, the device has the defects that in order to provide a movement path for the connecting piece, the groove structures at the left and right ends of the car sill need to be cut in a large area, so that the rigidity of the car sill is easily reduced, and the required rigidity requirement cannot be met.

Patent CN210973497U has proposed another kind of novel elevator gap anti falling device, and the device convenient to use links up stability better, reliable operation, simple structure, convenient dismantlement. However, the device needs to be installed at the gap of the elevator on each floor, and if the floors are more, a large amount of labor and material cost is needed, so that the actual requirement is not met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes prior art's is not enough, provides a device that can shelter from gap between elevator car sill and floor footboard, and the device can convert the linear motion of lift-cabin door to the rotary motion who shelters from the structure, has converted into the weight of people on the floor footboard, and supporting strength is enough, the energy saving.

The utility model discloses a following technical scheme realizes: the utility model provides a shelter from device in gap between elevator car sill and floor, its structure includes left lift-cabin door (1), right lift-cabin door (2), car sill (3), floor footboard (4), gap shielding plate (5), remove cam (6), rack (7), rack left end guide rail (8), rack right-hand member guide rail (9), incomplete gear (10), gap shielding plate left end bearing (11), gap shielding plate right-hand member bearing (12), rear end gyro wheel (13), roller shaft (14), front end gyro wheel (15), rack left end stopper (16), rack right-hand member stopper (17), its characterized in that: the car sill (3) is fixedly connected with the bottom of the elevator car; the left elevator door (1) and the right elevator door (2) move horizontally under the guiding action of the groove structure (31) of the car sill (3) to realize the action of opening and closing the doors; the movable cam (6) is fixedly connected with the left elevator door (1); the top end of the rack (7) is provided with a rear end roller (13), a roller shaft (14) and a front end roller (15), and the two rollers can rotate relative to the rack (7) and cannot move; the contact relation among the moving cam (6), the rear end roller (13) and the front end roller (14) is high-pair contact; the rack (7) is guided by a rack left end guide rail (8) and a rack right end guide rail (9) to move up and down in the vertical direction, and the rack (7) is driven to move up and down respectively when the left elevator door (1) completes the door opening and closing actions; the rack (7) is constantly meshed with the incomplete gear (10), and the rack (7) drives the incomplete gear (10) to rotate clockwise and anticlockwise; the incomplete gear (10) and the gap shielding plate (5) are in a fixed connection relationship and move synchronously; the gap shielding plate (5) is supported by a gap shielding plate left end supporting seat (11) and a gap shielding plate right end supporting seat (12), the gap shielding plate left end supporting seat (11) and the gap shielding plate right end supporting seat (12) are fixedly installed on the car sill (3), and the gap shielding plate (5) can rotate relative to the car sill (3) and cannot move.

Furthermore, the car sill (3) is fixedly connected with the bottom of the elevator car, the car sill (3) comprises a groove structure (31) for guiding the elevator door to move and a rib structure (32) for fixing the rack limiting block, and the car sill (3) is fixedly connected with the rack left end guide rail (8), the rack right end guide rail (9), the gap shielding plate left end supporting seat (11) and the gap shielding plate right end supporting seat (12).

Furthermore, the gap shielding plate (5) comprises a baffle front end extending structure (51), the gap shielding plate (5) is supported by a gap shielding plate left end supporting seat (11) and a gap shielding plate right end supporting seat (12), and the gap shielding plate (5) can rotate relative to the car sill (3) and cannot move.

Furthermore, when the gap shielding plate (5) rotates to shield the gap, the front end extending structure (51) of the baffle plate can be matched with the stepped structure (41) of the floor pedal (4) for limiting, and the bearing is transferred to the floor pedal (4).

Furthermore, the moving cam (6) comprises a first horizontal section (61), a curve section (62) and a second horizontal section (63), the moving cam (6) is fixedly connected with the left elevator door (1), the contact relation between the moving cam (6) and the rear end roller (13) and the front end roller (14) is high-order contact, and the rack (7) is at a lower limit position when the rollers are in contact with the first horizontal section (61) of the moving cam (6) along with the left and right movement of the moving cam (6); when the roller is contacted with the curve section (62) of the moving cam (6), the rack (7) is in an upward or downward motion state; when the roller is contacted with the second horizontal section (63) of the moving cam (6), the rack (7) is at the upper limit position.

Furthermore, rear end idler wheels (13), idler wheel shafts (14) and front end idler wheels (15) are installed at the top end of the rack (7), the two idler wheels can rotate relative to the rack (7) and cannot move, the rack (7) can move up and down in the vertical direction through the guide of a rack left end guide rail (8) and a rack right end guide rail (9), when a left elevator door (1) moves rightwards to separate a moving cam (6) from the idler wheels, the rack (7) is limited through a rack left end limiting block (16) and a rack right end limiting block (17), the rack (7) is prevented from descending due to the action of gravity, and the rack left end limiting block (16) and the rack right end limiting block (17) are fixedly connected with a convex edge structure (32) of the elevator car sill (3).

Further, the rack (7) and the incomplete gear (10) are constantly meshed, and the rack (7) drives the incomplete gear (10) to rotate clockwise and anticlockwise at an angle of 90 degrees.

Furthermore, the incomplete gear (10) and the gap shielding plate (5) are fixedly connected and synchronously move, and the up-and-down movement of the rack (7) drives the gap shielding plate (5) to rotate clockwise and anticlockwise at an angle of 90 degrees.

The utility model has the advantages that: when the elevator is opened, the gap shielding plate (5) is driven to shield the gap between the car sill (3) and the floor pedal (4), and when the elevator is closed, the gap shielding plate (5) is driven to automatically reset, so that the small articles are effectively prevented from falling, the heels are prevented from being clamped and the like. Compared with the prior art, the device does not need an additional power supply, reduces the installation of power equipment, and has the advantages of energy conservation, environmental protection, stable and reliable transmission and low cost. The linear motion of the moving cam (6) is converted into the rotary motion of the gap shielding plate (5), and the shielding device can bear larger weight and is safe and reliable.

Drawings

Fig. 1 is an assembly diagram of the present invention.

Fig. 2 is a cross-sectional view of the middle rack-and-pinion mechanism of the present invention.

Fig. 3 is a left side view of the elevator door according to the present invention.

Fig. 4 is a left front side direction overall view when the elevator door of the utility model is closed.

Fig. 5 is a schematic structural view of the car sill (3) of the present invention.

Fig. 6 is a schematic structural view of the floor pedal (4) of the present invention.

Fig. 7 is a schematic structural view of the gap shielding plate (5) of the present invention.

Fig. 8 is a schematic structural view of the moving cam (6) of the present invention.

In the figure: the elevator comprises a left elevator door (1), a right elevator door (2), a car sill (3), a floor pedal (4), a gap baffle plate (5), a moving cam (6), a rack (7), a rack left end guide rail (8), a rack right end guide rail (9), an incomplete gear (10), a gap baffle plate left end supporting seat (11), a gap baffle plate right end supporting seat (12), a rear end roller (13), a roller shaft (14), a front end roller (15), a rack left end limiting block (16), a rack right end limiting block (17), a groove structure (31), a car sill convex edge structure (32), a floor pedal stepped structure (41), a gap baffle plate front end extending structure (51), a moving cam first horizontal section (61), a moving cam curve section (62) and a moving cam second horizontal section (63).

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses in preceding, back, left and right use and stand outside the car to the car door as the benchmark, clockwise rotation and anticlockwise rotation use the shielding plate left side to observe as the benchmark.

Referring to fig. 1 to 8, the present invention provides a device for shielding a gap between a sill of an elevator car and a floor tread. As shown in fig. 1, 2 and 3, the device comprises a left elevator door (1), a right elevator door (2), a car sill (3), a floor pedal (4), a gap shielding plate (5), a moving cam (6), a rack (7), a rack left end guide rail (8), a rack right end guide rail (9), an incomplete gear (10), a gap shielding plate left end supporting seat (11), a gap shielding plate right end supporting seat (12), a rear end roller (13), a roller shaft (14), a front end roller (15), a rack left end limiting block (16) and a rack right end limiting block (17); as shown in fig. 5, the car sill (3) includes a groove structure (31) and a car sill rib structure (32); as shown in fig. 6, the floor step (4) includes a stair structure (41); as shown in fig. 7, the slit shutter (5) includes a front end projecting structure (51); as shown in fig. 8, the moving cam (6) includes a first horizontal section (61), a curved section (62), and a second horizontal section (63).

As shown in fig. 1, when the elevator is opened, the left elevator door (1) drives the moving cam (6) to move leftwards, after the elevator moves for a certain distance, the left end of the moving cam (6) is in contact with two rollers to drive the upper end of the rack (7) to enter a first horizontal section (61) in the moving cam (6), when the two rollers are in contact with the moving cam (6) at the first horizontal section (61), the rack (7) is at a lower limit position and the incomplete gear (10) and the gap shielding plate (5) are kept still; when the two rollers are in contact with the moving cam (6) in the curve section (62), the rack (7) moves from bottom to top, and the incomplete gear (10) and the gap shielding plate (5) rotate clockwise; when the two rollers are just separated from the curve section (62) of the moving cam (6) and are in contact with the second horizontal section (63), the gap shielding plate (5) rotates to the horizontal position, so that a gap between the car sill (3) and the floor pedal (4) is shielded, and the protruding structure (54) at the front end of the shielding plate can be matched with the stepped structure (41) of the floor pedal (4) for limiting and can bear larger weight; when the two rollers are in contact with the moving cam (6) at the second horizontal section (63), the rack (7) is at the upper limit position and is not moved, and the incomplete gear (10) and the gap shielding plate (5) are kept still.

As shown in fig. 4, when the elevator is closed, the left elevator door (1) drives the moving cam (6) to move rightwards, and when the two rollers contact with the second horizontal section (63) of the moving cam (6), the rack (7) is at the upper limit position and is not moved, and the incomplete gear (10) and the gap shielding plate (5) are kept still; when the two rollers are in contact with the moving cam (6) in the curve section (62), the rack (7) moves from top to bottom, and the incomplete gear (10) and the gap shielding plate (5) rotate anticlockwise; when the two rollers just break away from the curve section (62) of the moving cam (6) and contact with the second horizontal section (63), the gap shielding plate (5) rotates to the vertical position and restores to the initial pose, and when the moving cam (6) moves rightwards to be separated from the two rollers, the rack (7) is limited by the rack left end limiting block (16) and the rack right end limiting block (17), so that the rack (7) is prevented from falling due to the action of gravity.

The utility model discloses the technological progress that prior art obtained relatively is: the device does not need an additional power supply, converts the left and right movement of the elevator door into the rotary movement of the shielding structure through mechanical transmission, has stable transmission, energy conservation, environmental protection and low cost, and can bear larger weight, thereby being safe and reliable.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (8)

1. The utility model provides a shelter from device in gap between elevator car sill and floor footboard, its structure includes: left side lift-cabin door (1), right side lift-cabin door (2), car sill (3), floor footboard (4), gap shielding plate (5), remove cam (6), rack (7), rack left end guide rail (8), rack right-hand member guide rail (9), incomplete gear (10), gap shielding plate left end bearing (11), gap shielding plate right-hand member bearing (12), rear end gyro wheel (13), roller shaft (14), front end gyro wheel (15), rack left end stopper (16), rack right-hand member stopper (17), its characterized in that: the car sill (3) is fixedly connected with the bottom of the elevator car; the left elevator door (1) and the right elevator door (2) move horizontally under the guiding action of the groove structure (31) of the car sill (3) to realize the action of opening and closing the doors; the movable cam (6) is fixedly connected with the left elevator door (1); the top end of the rack (7) is provided with a rear end roller (13), a roller shaft (14) and a front end roller (15), and the two rollers can rotate relative to the rack (7) and cannot move; the contact relation among the moving cam (6), the rear end roller (13) and the front end roller (15) is high-pair contact; the rack (7) is guided by a rack left end guide rail (8) and a rack right end guide rail (9) to move up and down in the vertical direction, and the rack (7) is driven to move up and down respectively when the left elevator door (1) completes the door opening and closing actions; the rack (7) is constantly meshed with the incomplete gear (10), and the rack (7) drives the incomplete gear (10) to rotate clockwise and anticlockwise; the incomplete gear (10) and the gap shielding plate (5) are in a fixed connection relationship and move synchronously; the gap shielding plate (5) is supported by a gap shielding plate left end supporting seat (11) and a gap shielding plate right end supporting seat (12), the gap shielding plate left end supporting seat (11) and the gap shielding plate right end supporting seat (12) are fixedly installed on the car sill (3), and the gap shielding plate (5) can rotate relative to the car sill (3) and cannot move.

2. The device of claim 1, wherein the device comprises: the car sill (3) is fixedly connected with the bottom of the elevator car, the car sill (3) comprises a groove structure (31) for guiding the elevator door to move and a rib structure (32) for fixing a rack limiting block, and the car sill (3) is fixedly connected with a rack left end guide rail (8), a rack right end guide rail (9), a gap shielding plate left end supporting seat (11) and a gap shielding plate right end supporting seat (12).

3. The device of claim 1, wherein the device comprises: the gap shielding plate (5) comprises a baffle front end extending structure (51), the gap shielding plate (5) is supported by a gap shielding plate left end supporting seat (11) and a gap shielding plate right end supporting seat (12), and the gap shielding plate (5) can rotate relative to the car sill (3) and cannot move.

4. The device of claim 1, wherein the device comprises: when the gap shielding plate (5) rotates to shield the gap, the front end extending structure (51) of the baffle plate can be matched with the stepped structure (41) of the floor pedal (4) for limiting, and the bearing is transferred to the floor pedal (4).

5. The device of claim 1, wherein the device comprises: the movable cam (6) comprises a first horizontal section (61), a curve section (62) and a second horizontal section (63), the movable cam (6) is fixedly connected with the left elevator door (1), the contact relation between the movable cam (6) and the rear end roller (13) and the front end roller (15) is high-pair contact, and the rack (7) is at a lower limit position when the rollers are contacted with the first horizontal section (61) of the movable cam (6) along with the left and right movement of the movable cam (6); when the roller is contacted with the curve section (62) of the moving cam (6), the rack (7) is in an upward or downward motion state; when the roller is contacted with the second horizontal section (63) of the moving cam (6), the rack (7) is at the upper limit position.

6. The device of claim 1, wherein the device comprises: rear end idler wheels (13), idler wheel shafts (14) and front end idler wheels (15) are installed at the top end of a rack (7), the two idler wheels can rotate relative to the rack (7) and cannot move, the rack (7) moves up and down in the vertical direction through a rack left end guide rail (8) and a rack right end guide rail (9) in a guiding mode, when a left elevator door (1) moves rightwards to separate a moving cam (6) from the idler wheels, the rack (7) is limited through a rack left end limiting block (16) and a rack right end limiting block (17), the rack (7) is prevented from descending due to the action of gravity, and the rack left end limiting block (16) and the rack right end limiting block (17) are fixedly connected with a convex edge structure (32) of a car sill (3).

7. The device of claim 1, wherein the device comprises: the rack (7) is constantly meshed with the incomplete gear (10), and the rack (7) drives the incomplete gear (10) to rotate clockwise and anticlockwise at an angle of 90 degrees.

8. The device of claim 1, wherein the device comprises: the incomplete gear (10) and the gap shielding plate (5) are fixedly connected and synchronously move, and the up-and-down movement of the rack (7) drives the gap shielding plate (5) to rotate clockwise and anticlockwise at an angle of 90 degrees.

Images