CN114620584A - Elevator car roof mechanism - Google Patents

Abstract

The invention discloses a top cover mechanism of an elevator cage, which relates to the technical field of elevators and comprises a cover plate part, an upper cover box body and a blower, wherein the cover plate part is provided with an upper through hole, and the bottom of the upper cover box body is provided with a lower through hole; the elevator door opening and closing device further comprises two closing cover plates, two lower cover plates and a driving piece, wherein the two closing cover plates are symmetrically and slidably arranged on the upper end surfaces of the cover plates, and damping abutting pieces capable of abutting against the sliding rails of the elevator in a damping mode are arranged at the end parts, far away from the two closing cover plates; the lower cover plate is provided with a push-pull supporting rod and a plurality of cross beam pieces, the cross beam pieces are fixed on the end face of the lower cover plate facing the inside of the upper cover box body, one end of the push-pull supporting rod is hinged with the side part of the lower cover plate, and the other end of the push-pull supporting rod is hinged with the bottom of the cover closing plate positioned on the same side; the driving piece is connected with the two cover closing plate pieces. The elevator cage is simple in structure, convenient for maintainers to climb and maintain and capable of improving the stability of the elevator cage during maintenance, convenient to operate and high in practicability.

Description

Elevator car roof mechanism

Technical Field

The invention relates to the technical field of elevators, in particular to an elevator car roof mechanism.

Background

Elevator refers to a permanent transport installation serving a number of specific floors in a building, the cars of which run on at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical, also of the stepped type, with tread plates mounted on tracks running continuously, known as escalators or moving walkways, serving fixed lifting installations at the given floor, the vertical lift having a car running between at least two rigid guide rails perpendicular or inclined at an angle of less than 15 °.

The elevator cage is an important part of an elevator system, wherein the top of the elevator cage is provided with a top through hole so as to be convenient for overhauling equipment outside the elevator cage; a top cover mechanism is arranged at the top through hole; the conventional top cover mechanism is a flip cover capable of being turned upwards; the elevator cage is generally higher, and the maintainers can climb to the top of the elevator cage through ladders or other supporting parts, which is troublesome; and when the maintainer climbs, the elevator is easy to shake.

Disclosure of Invention

It is an object of the present invention to provide an elevator car roof mechanism that solves the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the elevator cage top cover mechanism comprises a cover plate fixed on the top of an elevator cage, an upper cover box body arranged on the cover plate and facing the interior of the elevator cage, and a blower for exchanging the airflow of the elevator cage with the external airflow, wherein the cover plate is provided with an upper through hole, and the bottom of the upper cover box body is provided with a lower through hole; the elevator door opening sealing device further comprises two cover closing plate pieces, two lower cover plate pieces and a driving piece, wherein the two cover closing plate pieces are symmetrically arranged on the upper end faces of the cover plate pieces in a sliding mode, the two cover closing plate pieces can be matched with the lower opening of the sealing cover, and the end parts, far away from the two cover closing plate pieces, of the two cover closing plate pieces are provided with damping abutting pieces capable of abutting against the sliding rails of the elevator in a damping mode; one end of each of the two lower cover plate pieces is hinged with the edge of the lower through opening, the lower cover plate pieces are provided with a push-pull support rod and a plurality of cross beam pieces, the cross beam pieces are fixed on the end faces, facing the inside of the upper cover box body, of the lower cover plate pieces, one end of the push-pull support rod is hinged with the side part of the lower cover plate piece, and the other end of the push-pull support rod is hinged with the bottom of the cover plate piece located on the same side; the driving piece is connected with the two cover plates and can drive the two cover plates to move close to or away from each other on the cover plates.

On the basis of the technical scheme, the invention also provides the following optional technical scheme:

in one alternative: close the apron spare including keeping off the lid, go up the filter screen and guide and remove the rail, keep off the last logical mouth department that the lid is located the apron spare, the guide removes the rail and is one at least and establish on the lateral wall that keeps off the lid, it can slide the guide slide of card cover on the guide removal rail to have on the apron spare, go up the filter screen and establish at the fender lid middle part and be used for filtering the air current that will see through the fender lid.

In one alternative: the driving piece comprises two driving pieces and at least one groove formed in the bottom of the cover plate, the two driving pieces are respectively arranged at two ends inside the upper cover box body and controlled to move by one power piece, each driving piece comprises a driving rotating shaft, a transmission gear and at least one rack, the driving rotating shafts are rotatably arranged inside the upper cover box body and are connected with the power piece, the transmission gears are arranged on the driving rotating shafts, and the racks are correspondingly arranged inside the grooves and are meshed with the transmission gears.

In one alternative: the damping supporting piece comprises a damping supporting part and a plurality of damping clamping grooves, the damping supporting part is fixed at the end part of the cover closing plate, the damping clamping grooves are formed in the end face, far away from the cover closing plate, of the damping supporting part, and the damping clamping grooves can be clamped and sleeved on a sliding rail of the elevator; the damping clamping groove is of a V-shaped structure.

In one alternative: lower apron spare includes lower frame and lower filter screen, lower frame one end has articulated seat and articulated seat to be connected through pivot and lower opening edge rotation, and lower filter screen is established at the lower frame inboard and is used for filtering the air current through lower frame.

In one alternative: the winding device is characterized in that two winding stabilizing assemblies are further arranged inside the upper cover box body and comprise a winding rod shaft, a winding wheel and a winding rope, the winding rod shaft is rotatably arranged in the upper cover box body and is connected with a driving piece, the driving piece can drive the winding rod shaft to rotate when driving the cover closing plate to move, the winding wheel is arranged on the winding rod shaft, one end of the winding rope is wound on the winding wheel, the other end of the winding rope penetrates through the bottom wall of the upper cover box body and is connected with a hanging fastener, and the hanging fastener can be fastened with a hook arranged on the lower cover plate.

In one alternative: the hanging fastener comprises a hollow rod, two telescopic screw rods and two abutting heads; the hollow rod is arranged at one end part of the winding rope, the two telescopic screw rods are spirally inserted into the hollow rod from two end parts of the hollow rod, and the two abutting heads are respectively arranged at the end parts of the two telescopic screw rods.

In one alternative: the supporting head comprises a supporting disc, a connecting column and a rubber pad, the connecting column is fixed at the end of the telescopic screw rod, the supporting disc is arranged on the connecting column, and the rubber pad is arranged on the end face of the supporting disc.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the lower cover plate can be pushed to be in a vertical state when the upper and lower through holes are opened through the arrangement of the push-pull supporting rod, and the lower cover plate is provided with the cross beam piece, so that a maintainer can conveniently climb and support the cross beam piece;

2. the elevator car can support the sliding rail of the elevator during maintenance through the arrangement of the damping supporting piece, so that the stability of the whole elevator car during maintenance is kept, and the stability is enhanced by using the weight of maintenance personnel;

3. the elevator cage is simple in structure, convenient for maintainers to climb and maintain and capable of improving the stability of the elevator cage during maintenance, convenient to operate and high in practicability.

Drawings

Fig. 1 is a schematic view of the overall structure of the top cover mechanism in an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a cover closing member according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a lower deck member according to an embodiment of the present invention.

Fig. 4 is a schematic view of a hook fastener according to an embodiment of the invention.

Notations for reference numerals: the cover plate component 1, the upper cover box body 2, the lower through opening 21, the upper through opening 22, the cover closing component 3, the blocking cover 31, the upper filter screen 32, the groove 33, the guide moving rail 34, the abutting strip 35, the blower 4, the lower cover plate component 5, the lower frame 51, the lower filter screen 52, the cross beam component 53, the hook 54, the transmission component 6, the transmission rotating shaft 61, the transmission gear 62, the rack 63, the winding stabilizing component 7, the winding rod shaft 71, the driven gear 72, the winding wheel 73, the winding rope 74, the hook component 75, the hollow rod 751, the telescopic screw 752, the abutting disc 753, the connecting column 754, the rubber gasket 755, the guide sliding seat 8, the damping abutting component 9, the damping abutting part 91, the damping clamping groove 92 and the push-pull supporting rod 10.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments; in the drawings or the description, the same reference numerals are used for similar or identical parts, and the shape, thickness or height of each part may be enlarged or reduced in practical use. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

In one embodiment, as shown in fig. 1 to 3, a cage roof structure comprises a cover member 1 fixed to the top of a cage, an upper cover case 2 provided in the cover member 1 facing the inside of the cage, and a blower 4 for exchanging the flow of the cage with the outside air, the cover member 1 having an upper through opening 22 and the lower through opening 21 at the bottom of the upper cover case 2; the elevator door opening sealing device further comprises two cover closing plate pieces 3, two lower cover closing plate pieces 5 and a driving piece, wherein the two cover closing plate pieces 3 are symmetrically arranged on the upper end face of the cover closing plate piece 1 in a sliding mode, the two cover closing plate pieces 3 can be matched with and cover the lower opening 21, and the end parts, far away from the two cover closing plate pieces 3, of the two cover closing plate pieces are provided with damping abutting pieces 9 capable of abutting against the sliding rails of the elevator in a damping mode; one end of each of the two lower cover plates 5 is hinged with the edge of the lower through opening 21, the lower cover plates 5 are provided with a push-pull support rod 10 and a plurality of cross beam pieces 53, the cross beam pieces 53 are fixed on the end faces, facing the inside of the upper cover box body 2, of the lower cover plates 5, one end of each push-pull support rod 10 is hinged with the side part of each lower cover plate 5, and the other end of each push-pull support rod 10 is hinged with the bottom of the cover plate piece 3 located on the same side; the driving piece is connected with the two cover plates 3 and can drive the two cover plates 3 to move close to or away from each other on the cover plates 1;

in the implementation process of the embodiment, when the blower 4 in the top cover of the elevator car and other external devices of the elevator need to be overhauled, the driving part drives the two cover closing plates 3 to move towards two sides, the two cover closing plates 3 respectively push the lower cover plate 5 to rotate downwards through the push-pull supporting rod 10, so that the lower through opening 21 and the upper through opening 22 are opened, the damping abutting piece 9 on the cover closing plate 3 abuts against a sliding rail of the elevator, a certain limiting effect on the up-and-down movement of the elevator car body can be achieved, and the stability of the elevator car body during overhauling is improved; secondly, when the damping supporting piece 9 supports the sliding rail of the elevator, the two lower cover plate pieces 5 are in a vertical state, and a maintainer can climb to the top of the elevator compartment body by taking the plurality of cross beam pieces 53 on the lower cover plate pieces 5 as foot or hand supporting points, so that the elevator external equipment and the blower 4 can be maintained conveniently; when the maintainer uses the cross beam piece 53 as a standing supporting point, because the weight of the maintainer can apply a downward load with the lower cover plate piece 5, the load born by the lower cover plate piece 5 is acted on the cover plate piece 3 by the push-pull supporting rod 10, so that the acting force of the damping abutting piece 9 on the cover plate piece 3 abutting against the elevator sliding rail is increased, and the stability of the elevator compartment body is further increased;

in one embodiment, as shown in fig. 1 and fig. 2, the cover closing member 3 includes a blocking cover 31, an upper filter screen 32 and a guiding moving rail 34, the blocking cover 31 is located at the upper opening 22 on the cover member 1, the guiding moving rail 34 is at least one and is provided on the side wall of the blocking cover 31, the cover member 1 has a guiding sliding seat 8 capable of being slidably clamped on the guiding moving rail 34, and the upper filter screen 32 is provided in the middle of the blocking cover 31 and is used for filtering the air flow passing through the blocking cover 31; in the present embodiment, the linear sliding of the blocking cover 31 can be realized by the slide fastener of the guiding slide 8 and the guiding moving rail 34; the damping abutting piece 9 is arranged at the end parts of the two blocking covers 31 which are deviated from each other, wherein the opposite end parts of the two blocking covers 31 are respectively provided with an abutting lath 35, and the two abutting laths 35 can be in surface contact with and close the upper through hole 22;

in one embodiment, as shown in fig. 1 and fig. 2, the driving member includes two driving members 6 and at least one groove 33 formed at the bottom of the cover plate member 3, the two driving members 6 are respectively disposed at two ends of the interior of the upper cover case 2 and controlled by a power member to move, the driving member 6 includes a driving shaft 61, a transmission gear 62 and at least one rack 63, the driving shaft 61 is rotatably disposed in the interior of the upper cover case 2 and the driving shaft 61 is connected to the power member, the transmission gear 62 is disposed on the driving shaft 61, and the rack 63 is correspondingly disposed in the interior of the groove 33 and engaged with the transmission gear 62; in the embodiment, the power member drives the two transmission shafts 61 to rotate in opposite directions, and the two transmission shafts 61 can drive the two cover plates 3 to move away from or close to each other on the cover plate 1 through the meshing of the transmission gear 62 and the rack 63.

In one embodiment, as shown in fig. 2, the damping supporting member 9 includes a damping supporting portion 91 and a plurality of damping clamping grooves 92, the damping supporting portion 91 is fixed at an end portion of the cover closing plate member 3 (specifically, at an end portion of the blocking cover 31), the damping clamping grooves 92 are opened at an end surface of the damping supporting portion 91 far away from the cover closing plate member 3, and the damping clamping grooves 92 can be clamped on the sliding rails of the elevator; the damping clamping groove 92 is of a V-shaped structure; in this embodiment, the damping slot 92 can increase the contact surface with the slide rail of the elevator, and can laterally press and clamp, thereby improving the abutting strength and the friction force.

In one embodiment, as shown in fig. 1 and 3, the lower cover plate 5 includes a lower frame 51 and a lower filter 52, the lower frame 51 has a hinge seat at one end, and the hinge seat is rotatably connected to the edge of the lower through opening 21 through a hinge, the lower filter 52 is disposed inside the lower frame 51 and is used for filtering the air flow passing through the lower frame 51;

in one embodiment, as shown in fig. 1, two winding securing assemblies 7 are further disposed inside the upper case body 2, the winding securing assemblies 7 include a winding shaft 71, a winding wheel 73, and a winding rope 74, the winding shaft 71 is rotatably disposed inside the upper case body 2, the winding shaft 71 is connected to a driving member, the driving member is further capable of driving the winding shaft 71 to rotate when driving the closing plate member 3 to move, the winding wheel 73 is disposed on the winding shaft 71, one end of the winding rope 74 is wound on the winding wheel 73, the other end of the winding rope 74 penetrates through the bottom wall of the upper case body 2 and is connected to a hook 75, and the hook 75 is capable of being fastened to a hook 54 disposed on the lower cover plate member 5; in this embodiment, when the driving member drives the cover closing member 3 to move to the side of the cover member 1, the winding shaft 71 can be driven to rotate, the driven gear 72 rotates to loosen the winding rope 74, and the winding rope 74 moves downwards under the action of the gravity of the fastener 75; when the cover closing plate 3 moves to a specific position, the lower cover plate 5 is in a vertical state, and the maintainer hooks the hook fastener 75 on the hook 54 by bypassing the bottom of the lower cover plate 5; if the closing cover plate 3 needs to move back, the winding rod shaft 71 rotates to wind and wind the winding rope 74 due to the driving piece, the closing cover plate 3 moves back to enable the lower cover plate 5 to rotate, the lower cover plate 5 pulls the winding rope 74 due to the matching of the hook 54 and the fastener 75, so that the lower cover plate 5 and the hook realize conflict, and the stable state of the lower cover plate 5 and the stability of the whole elevator cage can be further ensured during maintenance; the connection mode of the winding shaft 71 and the driving member is specifically as follows: the take-up shaft 71 is provided with a driven gear 72, and the driven gears 72 are meshed with the driven gears 62;

in one embodiment, as shown in fig. 4, the hook 75 comprises a hollow rod 751, two telescopic screws 752 and two abutment heads; the hollow rod 751 is arranged at one end part of the winding rope 74, the two telescopic screws 752 are spirally inserted into the hollow rod 751 from two end parts of the hollow rod 751, and the two abutting heads are respectively arranged at the end parts of the two telescopic screws 752; in this embodiment, by screwing the expansion screw 752 and keeping the hollow rod 751 fixed, the expansion screw 752 can be screwed into or out of the hollow rod 751, so that the end of the whole hanging fastener 75 can be expanded and contracted, when the hanging fastener 75 is hung on the winding rope 74, the expansion screw 752 is screwed out of the hollow rod 751 and the abutting head abuts against the side wall inside the elevator car, and further stabilization of the lower cover plate 5 can be realized;

in one embodiment, as shown in fig. 4, the holding head comprises a holding disc 753, a connecting column 754 and a rubber pad 755, wherein the connecting column 754 is fixed at the end of the telescopic screw 752, the holding disc 753 is arranged on the connecting column 754, and the rubber pad 755 is arranged on the end face of the holding disc 753; in this embodiment, the telescopic screw 752 can be screwed to rotate through the connecting column 754, and the rubber pad 755 moves up against the inner wall of the elevator cage to increase friction.

The embodiment discloses an elevator car roof mechanism, wherein when an air blower 4 in an elevator car roof and other external elevator equipment need to be overhauled, two closing cover plates 3 are driven to move towards two sides through a driving piece, the two closing cover plates 3 respectively push a lower cover plate 5 to rotate downwards through a push-pull supporting rod 10, so that a lower through opening 21 and an upper through opening 22 are opened, a damping abutting piece 9 on each closing cover plate 3 abuts against a sliding rail of an elevator, a certain limiting effect on the up-and-down movement of an elevator car body can be achieved, and the stability of the elevator car body during overhauling is improved; secondly, when the damping supporting piece 9 supports the sliding rail of the elevator, the two lower cover plate pieces 5 are in a vertical state, and a maintainer can climb to the top of the elevator compartment body by taking the plurality of cross beam pieces 53 on the lower cover plate pieces 5 as foot or hand supporting points, so that the elevator external equipment and the blower 4 can be maintained conveniently; when the maintainer uses the crossbeam piece 53 as the support point of standing, because the weight of the maintainer can exert and close the downward load of plate 5, the load that lower plate 5 bore is acted on closing plate 3 by push-and-pull branch pole 10 to increase and close the damping on the plate 3 and support the effort that holds 9 and support the elevator slide rail, thereby further increase the stability of the elevator railway carriage or compartment body.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (8)

1. The elevator cage top cover mechanism comprises a cover plate fixed on the top of an elevator cage, an upper cover box body arranged on the cover plate and facing the interior of the elevator cage, and a blower for exchanging the airflow of the elevator cage with the external airflow, wherein the cover plate is provided with an upper through hole, and the bottom of the upper cover box body is provided with a lower through hole; the device is characterized by also comprising two cover plate parts, two lower cover plate parts and a driving part;

the two cover plates are symmetrically arranged on the upper end faces of the cover plates in a sliding manner, the two cover plates can be matched with each other to cover the lower through hole, and the end parts, far away from the two cover plates, of the two cover plates are provided with damping abutting pieces capable of abutting against the sliding rails of the elevator in a damping manner;

one end of each of the two lower cover plate pieces is hinged with the edge of the lower through opening, and the lower cover plate pieces are provided with push-pull supporting rods and a plurality of cross beam pieces;

the cross beam piece is fixed on the end face, facing the inside of the upper cover box body, of the lower cover plate piece, one end of the push-pull supporting rod is hinged with the side part of the lower cover plate piece, and the other end of the push-pull supporting rod is hinged with the bottom part of the cover closing plate piece located on the same side;

the driving piece is connected with the two cover plates and can drive the two cover plates to move close to or away from each other on the cover plates.

2. The car roof structure of claim 1, wherein the cover member includes a cover at an upper opening of the cover member, at least one guide moving rail provided on a side wall of the cover member, an upper screen provided at a center of the cover for filtering an air flow passing through the cover, and a guide moving rail having a guide slider slidably fitted on the guide moving rail.

3. An elevator car roof mechanism as defined in claim 1, wherein said driving member comprises two driving members and at least one recess formed in the bottom of the cover member, the two driving members being respectively provided at both ends of the inside of the upper cover case and being moved by a power member, said driving members comprising a driving shaft rotatably provided in the inside of the upper cover case and connected to the power member, a driving gear provided on the driving shaft, and at least one rack correspondingly provided in the recess and engaged with the driving gear.

4. The elevator car roof mechanism according to claim 1, wherein said damping support member comprises a damping support portion and a plurality of damping slots, said damping support portion is fixed at an end of the cover closing member, said damping slots are formed on an end surface of the damping support portion away from the cover closing member, said damping slots can be fitted on the sliding rails of the elevator; the damping clamping groove is of a V-shaped structure.

5. An elevator car roof structure according to claim 1, wherein said lower deck member includes a lower frame having a hinge base at one end thereof and rotatably connected to the lower port edge by a hinge shaft, and a lower filter screen provided inside the lower frame and adapted to filter the airflow passing through the lower frame.

6. The car roof mechanism according to claim 1, wherein two winding assemblies are further disposed inside the upper cover housing, each winding assembly comprises a winding shaft rotatably disposed inside the upper cover housing and connected to a driving member, the driving member is further capable of driving the winding shaft to rotate when driving the cover plates to move, the winding shaft is disposed on the winding shaft and one end of the winding rope is wound around the winding wheel, the other end of the winding rope penetrates through the bottom wall of the upper cover housing and is connected to a hook member, and the hook member is capable of being fastened to a hook disposed on the lower cover plate.

7. The lift car roof mechanism of claim 6, wherein the hook member comprises a hollow rod, two telescopic screws and two abutment heads; the hollow rod is arranged at one end part of the winding rope, the two telescopic screw rods are spirally inserted into the hollow rod from two end parts of the hollow rod, and the two abutting heads are respectively arranged at the end parts of the two telescopic screw rods.

8. An elevator car roof arrangement according to claim 7, wherein the retaining head comprises a retaining disc, a connecting column fixed to the end of the telescopic screw and provided on the connecting column, and a rubber pad provided on an end face of the retaining disc.

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