CN216807730U - Anticollision elevator layer door - Google Patents

Abstract

The utility model relates to the technical field of elevator landing doors, and discloses an anti-collision elevator landing door which comprises a landing door, a bearing type sill, a guide rail and a safety rail, wherein the safety rail is arranged on the lower side of the guide rail in parallel, a through rectangular hole is formed in the middle of the safety rail, a bearing type sliding block is fixedly arranged on the lower end face of the landing door, the lower end of the bearing type sliding block is arranged in the bearing type sill in a rolling mode, a T-shaped plate is fixedly arranged at the upper end of the landing door, the upper end of the T-shaped plate penetrates through the safety rail and is inserted into a stepped guide groove of the guide rail, and the diameter of the upper end of the T-shaped plate is larger than the width of a hole in the safety rail. The bearing type sliding block and the guide stepped wheel can be kept on the corresponding moving track through the action of the constant pressure spring or the plate spring and the elastic part, so that the normal door opening and closing is guaranteed, when sudden change impact force acts on the landing door, the force is synchronized to the bearing type sliding block through the action of the reinforcing part, so that the bearing type sliding block overcomes the elastic force, the door body moves towards the direction close to an elevator shaft, and the bearing type sliding block falls into the safety clamping groove.

Description

Anticollision elevator layer door

Technical Field

The utility model relates to the technical field of elevator landing doors, in particular to an anti-collision elevator landing door.

Background

The elevator landing door is arranged at the entrance and exit of the elevator car on each floor and used for isolating the elevator shaft when the elevator car leaves the floor and avoiding the danger of the objects and the personnel entering the elevator shaft, the existing landing door is hooked on the guide rail at the upper end of the landing door through a moving part, most of the weight of the landing door is borne by the upper guide rail, so the landing door is light and thin in material and low in strength, the lower end of the landing door is fixedly provided with a sheet-shaped sliding block which is clamped into the sill of the landing door and used for guiding the lower end of the landing door, when the landing door receives sudden impact force, the sliding block at the lower end is easy to derail because the landing door is bent and deformed, in such a situation, although the landing door is still hooked on the guide rail at the upper end, the lower end can be extremely unsafe, and the landing door still keeps in a hanging state under the condition that the lower end is not protected, people can hardly find that even if the landing door is slightly leaned, the upper end is possibly extremely dangerous, in view of the above-mentioned disadvantages, an anti-collision elevator landing door is proposed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to overcome the problems presented above, a crashworthy elevator landing door is provided which solves the above-mentioned problems.

The technical problem to be solved by the utility model is realized by adopting the following technical scheme:

the anti-collision elevator landing door comprises a landing door, a bearing type sill, a guide rail and a safety rail, wherein the safety rail is arranged on the lower side of the guide rail in parallel, a through rectangular hole is formed in the middle of the safety rail, a bearing type sliding block is fixedly arranged on the lower end face of the landing door, the lower end of the bearing type sliding block is arranged in the bearing type sill in a rolling mode, a T-shaped plate is fixedly arranged at the upper end of the landing door, the upper end of the T-shaped plate penetrates through the safety rail and is inserted into a stepped guide groove of the guide rail, and the diameter of the upper end of the T-shaped plate is larger than the width of the hole in the safety rail;

the bearing type sill is internally provided with a stepped groove which is opened upwards and comprises a safety clamping groove and a bearing stepped surface, the bearing type sliding block comprises a bearing stepped wheel, a cylindrical roller bearing and a rigid block, the bearing stepped wheel is arranged in the bearing type sill in a rolling manner, the cylindrical surface of the bearing stepped wheel is abutted against the bearing stepped surface, the cylindrical roller bearing is fixed at the right end of the bearing stepped wheel, the lower end of the rigid block is provided with a through mounting hole, the mounting hole is in interference fit with the outer ring of the cylindrical roller bearing, the left end of the bearing stepped wheel is provided with a thrust ball bearing in interference fit, the left end of the thrust ball bearing is provided with a stepped shaft in interference fit, the diameter of the stepped shaft is larger than that of the bearing stepped wheel, the right end surface of the stepped shaft is abutted against the side wall of the safety clamping groove, and the left end of the stepped shaft is fixedly provided with an elastic piece, and the left end of the elastic piece is rotatably provided with a retaining wheel, and the retaining wheel is abutted against the side wall of the safety clamping groove.

Preferably, be equipped with downward open ladder guide way in the guided way, the ladder guide way with the guided way is formed with the ladder face, the roll is equipped with the direction shoulder wheel on the ladder face, the fixed bearing that is equipped with in left side of the ladder ring of direction shoulder wheel, the fixed elastomeric element that is equipped with in left side of direction shoulder wheel, elastomeric element's the fixed pulley that is equipped with of right-hand member, the top sheave with ladder guide way inside wall offsets, bearing outer ring interference fit is equipped with the bearing housing, the upper end of T word board with bearing housing fixed connection.

Preferably, a reinforcing piece is fixedly arranged on the back face of the landing door through bolts.

Preferably, the reinforcing piece of the reinforcing strip on the back of the layer door is in a shape like a Chinese character 'mi', a door seam reinforcing rib parallel to the door seam edge is arranged at the door seam, and the upper end and the lower end of the door seam reinforcing rib are fixedly connected with the reinforcing piece.

Preferably, the fixed laminating of inner wall of safety rail is equipped with the rubber inside lining, the first half section of rubber inside lining is trapezoidal form, the minimum width of rubber inside lining is less than T word board upper end diameter.

Preferably, the elastic part is a constant pressure spring, a retaining wheel is rotatably arranged at the left end of the constant pressure spring, a right end of the constant pressure spring is fixed on the stepped shaft through a bolt, the compression stroke of the constant pressure spring is greater than the distance from the right end face of the stepped shaft to the right end face of the bearing stepped wheel, and the deformation force of the constant pressure spring is smaller than the deformation force of the reinforcing part.

Preferably, the elastic part is a plate spring, one end of the plate spring is rotatably provided with a retaining wheel, the retaining wheel abuts against the load-bearing sill, and the other end of the plate spring is fixed on the stepped shaft through a bolt.

Preferably, the rigid block comprises a cap sleeve with a groove and a special-shaped block, a flange which can be clamped into the groove of the cap sleeve is arranged on the upper end face of the special-shaped block, the flange of the special-shaped block is in transition fit with the groove in the cap sleeve, and a compensating spring is arranged between the special-shaped block and the cap sleeve.

Preferably, rubber wheel sleeves are sleeved on the guide stepped wheel and the bearing stepped wheel.

The utility model has the advantages and positive effects that: when force acts on the landing door in two working modes, the acting force is not enough to deform the landing door, the distance between the upper end and the lower end of the landing door cannot be reduced under the condition that the landing door is not bent and deformed, so that the landing door is difficult to derail, under the condition that the load-bearing type sliding block and the guide step wheel can be kept on corresponding moving tracks through the action of a constant pressure spring or a leaf spring and an elastic component, the normal door opening and closing is ensured, when sudden impact force acts on the landing door, the force is synchronized onto the load-bearing type sliding block through the action of a reinforcing part, the load-bearing type sliding block overcomes the elastic force and a door body moves towards the direction close to an elevator shaft, the load-bearing type sliding block falls into a safety clamping groove, meanwhile, the guide step wheel falls into the safety track away from a preset track, and an upper end rod of a T-shaped plate is clamped into a rubber lining, so that the upper end and the lower end of an elevator door are completely fixed, and the potential safety hazard that personnel and articles fall into the elevator shaft due to derail at the lower end of the elevator landing door is effectively prevented, compared with the traditional upper bearing mode, the lower bearing mode of the scheme is safer and more reliable, and the position of the rear door switched to the safe mode is obviously different from the original normal position to play a warning role and avoid the unknowing person from touching again.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of a prior art configuration;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a left-side enlarged structural view of the guide rail and the safety rail in FIG. 2;

FIG. 4 is a schematic top view of the safety rail of FIG. 2;

FIG. 5 is an enlarged schematic view of the safety rail of FIG. 3;

FIG. 6 is a side elevational view of the load-bearing sill of FIG. 2 in full section;

FIG. 7 is a schematic view of the structure of the load bearing slider of FIG. 6;

FIG. 8 is a side view of a slider in full section according to another embodiment of the present invention;

FIG. 9 is a schematic top view of another embodiment of a load bearing slider of the present invention;

fig. 10 is an exploded view of the rigid block of fig. 7.

The scores in the figures are as follows: 10. a guide rail; 11. a safety rail; 12. a reinforcement; 13. a landing door; 14. a load-bearing sill; 15. a load-bearing slider; 16. a door crack reinforcing rib; 17. a cylindrical roller bearing; 19. a rubber lining; 21. a step surface; 22. a guide step wheel; 23. a bearing; 24. a bearing housing; 25. an elastic member; 26. an upper pulley; 27. a T-shaped plate; 28. a rigid block; 29. a cap sleeve; 30. a compensation spring; 31. a shaped block; 32. mounting holes; 33. a load-bearing step wheel; 34. a thrust ball bearing; 35. a stepped shaft; 36. a constant pressure spring; 37. a holding wheel; 38. a plate spring; 39. a bearing step surface; 40. a safety card slot; 41. a stepped guide groove.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The embodiments of the utility model will be described in further detail below with reference to the accompanying drawings:

as shown in fig. 1 to 10, the anti-collision elevator landing door of the present invention includes a landing door 13, a load-bearing sill 14, a guide rail 10, and a safety rail 11, wherein the safety rail 11 is disposed in parallel at a lower side of the guide rail 10, a through rectangular hole is disposed in a middle portion of the safety rail 11, a load-bearing slider 15 is fixedly disposed on a lower end surface of the landing door 13, a lower end of the load-bearing slider 15 is disposed in the load-bearing sill 14 in a rolling manner, a T-shaped plate 27 is fixedly disposed at an upper end of the landing door 13, an upper end of the T-shaped plate 27 passes through the safety rail 11 and is inserted into a stepped guide groove 41 of the guide rail 10, and a diameter of an upper end of the T-shaped plate 27 is greater than a width of the hole in the safety rail 11;

the bearing type sill 14 is internally provided with an upward open stepped groove, the stepped groove comprises a safety clamping groove 40 and a bearing stepped surface 39 formed by the safety clamping groove, the bearing type slider 15 comprises a bearing stepped wheel 33, a cylindrical roller bearing 17 and a rigid block 28, the bearing stepped wheel 33 is arranged in the bearing type sill 14 in a rolling manner, the cylindrical surface of the bearing stepped wheel 33 is abutted to the bearing stepped surface 39, the cylindrical roller bearing 17 is fixed at the right end of the bearing stepped wheel 33, the lower end of the rigid block 28 is provided with a through mounting hole 32, the mounting hole 32 is in interference fit with the outer ring of the cylindrical roller bearing 17, the left end of the bearing stepped wheel 33 is provided with a thrust ball bearing 34 in interference fit, the left end of the thrust ball bearing 34 is provided with a stepped shaft 35 in interference fit, the diameter of the stepped shaft 35 is larger than that of the bearing stepped wheel 33, the right end surface of the stepped shaft 35 is abutted to the side wall of the safety clamping groove 40, an elastic piece is fixedly arranged at the left end of the stepped shaft 35, a retaining wheel 37 is rotatably arranged at the left end of the elastic piece, and the retaining wheel 37 abuts against the side wall of the safety clamping groove 40.

Preferably, be equipped with downward open ladder guide way 41 in the guided way 10, ladder guide way 41 with guided way 10 is formed with ladder face 21, it is equipped with direction step pulley 22 to roll on the ladder face 21, the fixed bearing 23 that is equipped with in left side of the ladder ring of direction step pulley 22, the fixed elastomeric element 25 that is equipped with in left end of direction step pulley 22, elastomeric element 25's the fixed upper pulley 26 that is equipped with in right-hand member, upper pulley 26 with 41 inside walls of ladder guide way offset, bearing 23 outer loop interference fit is equipped with bearing housing 24, T word board 27's upper end with bearing housing 24 fixed connection.

Preferably, a reinforcing member 12 is fixedly bolted to the back surface of the landing door 13.

Preferably, the reinforcing bar reinforcing piece 12 on the back of the layer door 13 is in a shape of a Chinese character 'mi', a door gap reinforcing rib 16 parallel to the door gap edge is arranged at the door gap, and the upper end and the lower end of the door gap reinforcing rib 16 are fixedly connected with the reinforcing piece 12;

can effectual improvement through setting up of reinforcement 12 the holistic bending strength of layer door 13 for the bending ratio descends when receiving the impact, can avoid layer door 13 derail to a great extent like this, consider that there is the action of robbing the elevator in the use, set up in the crack department back especially the crack is strengthened rib 16 and is used for strengthening the intensity of this department.

Preferably, the fixed laminating of the inner wall of safety rail 11 is equipped with rubber inside lining 19, the first half section of rubber inside lining 19 is trapezoidal form, the minimum width of rubber inside lining 19 is less than T board 27 upper end diameter.

Preferably, the elastic member is a constant pressure spring 36, a retaining wheel 37 is rotatably arranged at the left end of the constant pressure spring 36, the right end of the constant pressure spring 36 is fixed on the stepped shaft 35 by a bolt, the compression stroke of the constant pressure spring 36 is greater than the distance from the right end face of the stepped shaft 35 to the right end face of the bearing stepped wheel 33, and the deformation force of the constant pressure spring 36 is smaller than the deformation force for making the reinforcing member 12;

it should be understood that when the door slot reinforcing rib 16 is fully deformed, the constant pressure spring 36 is fully compressed by the same force, and when the constant pressure spring 36 is fully compressed, the carrier slide 15 moves to the left and drops under the gravity of the landing door 13 and is clamped into the safety catch 40 to form a fixed position.

Preferably, the elastic member is a plate spring 38, one end of the plate spring 38 is rotatably provided with a retaining wheel 37, the retaining wheel 37 abuts against the load-bearing sill 14, and the other end of the plate spring 38 is fixed on the stepped shaft 35 through a bolt;

preferably, the plate spring 38 can provide good elastic potential energy and reduce the occupied space, and the structure is simpler and the installation is convenient.

Preferably, the rigid block 28 comprises a cap 29 with a groove and a shaped block 31, the upper end face of the shaped block 31 is provided with a flange which can be clamped into the groove of the cap 29, the flange of the shaped block 31 is in transition fit with the groove in the cap 29, and a compensation spring 30 is arranged between the shaped block 31 and the cap 29;

the special-shaped block 31 is transitionally clamped in the cap sleeve 29 to form a rigid block 28, and the compensation spring 30 is arranged at the joint of the special-shaped block and the cap sleeve, so that the weight of the elevator landing door 13 is borne by the compensation spring 30, and the elevator landing door has the advantages that the vibration generated in the opening and closing process of the door can be effectively absorbed and reduced by the compensation spring 30, the hard contact between the landing door 13 and the rigid component on the bearing type sliding block 15 is reduced, the opening and closing door is smoother and softer, and the service life is prolonged.

Preferably, rubber wheel sleeves are sleeved on the guide stepped wheel 22 and the bearing stepped wheel 33.

In practical implementation, when an acting force acts on the landing door 13, and such acting force is insufficient to deform the landing door 13, the distance between the upper end and the lower end of the landing door 13 is not reduced under the condition that the landing door 13 is not bent and deformed, so that derailment is difficult, in such a case, the load-bearing slider 15 and the guide step wheel 22 can be kept on the corresponding moving tracks through the action of the constant pressure spring 36 or the plate spring 38 and the elastic component 25, so as to ensure normal door opening and closing, when an abrupt impact force acts on the landing door 13, the force is synchronized to the load-bearing slider 15 through the action of the reinforcement 12, so that the load-bearing slider 15 overcomes the elastic force and the door body moves towards the elevator hoistway, so that the load-bearing slider 15 falls into the safety catch groove 40, and the guide step wheel 22 falls into the safety track 11 away from the preset track, and the upper end rod of the T-shaped plate 27 is caught in the rubber lining 19, so that the upper end and the lower end of the elevator door are completely fixed, and will be difficult to move left and right under the effect of rubber inside lining 19 to avoid secondary disasters.

It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.

Claims (9)

1. Anticollision elevator layer door, including layer door (13), bearing formula sill (14), guided way (10), its characterized in that: the safety rail (11) is arranged on the lower side of the guide rail (10) in parallel, a through rectangular hole is formed in the middle of the safety rail (11), a bearing type sliding block (15) is fixedly arranged on the lower end face of the landing door (13), the lower end of the bearing type sliding block (15) is arranged in the bearing type sill (14) in a rolling mode, a T-shaped plate (27) is fixedly arranged at the upper end of the landing door (13), the upper end of the T-shaped plate (27) penetrates through the safety rail (11) and is inserted into a stepped guide groove (41) of the guide rail (10), and the diameter of the upper end of the T-shaped plate (27) is larger than the aperture of the safety rail (11);

be equipped with the open ladder groove that makes progress in bearing formula sill (14), the ladder groove includes safety card groove (40) and bears ladder face (39), bear formula slider (15) including bearing step pulley (33), cylindrical roller bearing (17), rigidity piece (28), bearing step pulley (33) roll set up with in bearing formula sill (14), the face of cylinder of bearing step pulley (33) with bear ladder face (39) counterbalance, cylindrical roller bearing (17) are fixed in the right-hand member of bearing step pulley (33), the lower extreme of rigidity piece (28) is equipped with mounting hole (32) that run through, mounting hole (32) with the outer loop interference fit of cylindrical roller bearing (17), the left end interference fit of bearing step pulley (33) is equipped with thrust interference ball bearing (34), the left end cooperation of thrust ball bearing (34) is equipped with step shaft (35), the diameter of the stepped shaft (35) is larger than that of the bearing stepped wheel (33), the right end face of the stepped shaft (35) abuts against the side wall of the safety clamping groove (40), an elastic piece is fixedly arranged at the left end of the stepped shaft (35), a retaining wheel (37) is rotatably arranged at the left end of the elastic piece, and the retaining wheel (37) abuts against the side wall of the safety clamping groove (40).

2. The anti-collision elevator landing door according to claim 1, wherein: be equipped with downward open ladder guide way (41) in guided way (10), ladder guide way (41) with guided way (10) are formed with cascade face (21), the roll is equipped with direction step pulley (22) on cascade face (21), the fixed bearing (23) that are equipped with in left side of the ladder ring of direction step pulley (22), the fixed elastomeric element (25) that are equipped with in left end of direction step pulley (22), the fixed top sheave (26) that are equipped with in right-hand member of elastomeric element (25), top sheave (26) with ladder guide way (41) inside wall offsets, bearing (23) outer loop interference fit is equipped with bearing housing (24), the upper end of T word board (27) with bearing housing (24) fixed connection.

3. The crashworthy elevator landing door of claim 2, wherein: and a reinforcing piece (12) is fixedly arranged on the back surface of the layer door (13) through bolts.

4. The crashworthy elevator landing door of claim 3, wherein: the door seam reinforcing rib is characterized in that the reinforcing piece (12) is in a shape like a Chinese character 'mi', a door seam reinforcing rib (16) parallel to the door seam edge is arranged at the door seam, and the upper end and the lower end of the door seam reinforcing rib (16) are fixedly connected with the reinforcing piece (12).

5. The crashworthy elevator landing door of claim 4, wherein: the inner wall of safety rail (11) is fixed to be laminated and is equipped with rubber inside lining (19), the first half section of rubber inside lining (19) is trapezoidal form, the minimum width department of rubber inside lining (19) is less than T word board (27) upper end diameter.

6. The crashworthy elevator landing door of claim 5, wherein: the elastic part is a constant pressure spring (36), a retaining wheel (37) is arranged at the left end of the constant pressure spring (36) in a rotating mode, the right end of the constant pressure spring (36) is fixed on the stepped shaft (35) through a bolt, the compression stroke of the constant pressure spring (36) is larger than the distance from the right end face of the stepped shaft (35) to the right end face of the bearing stepped wheel (33), and the deformation force of the constant pressure spring (36) is smaller than the deformation force of the reinforcing part (12).

7. The crashworthy elevator landing door of claim 5, wherein: the elastic piece is a plate spring (38), one end of the plate spring (38) is rotatably provided with a retaining wheel (37), the retaining wheel (37) abuts against the bearing type sill (14), and the other end of the plate spring (38) is fixed on the stepped shaft (35) through a bolt.

8. Anti-collision elevator landing door according to claim 6 or 7, characterized in that: rigid piece (28) are including cap cover (29) and dysmorphism piece (31) that have the groove, the up end of dysmorphism piece (31) is equipped with the card and goes into the flange of the inslot of cap cover (29), the flange of dysmorphism piece (31) with groove transition fit in cap cover (29), dysmorphism piece (31) with be equipped with between cap cover (29) compensation spring (30).

9. Anti-collision elevator landing door according to any of claims 2-7, characterized in that: rubber wheel sleeves are sleeved on the guide step wheel (22) and the bearing step wheel (33).

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