Elevator locking switch structure of elevator without machine room

Abstract

The utility model discloses a machine-room-less elevator locking switch structure, and belongs to the field of elevator locking switches, the machine-room-less elevator locking switch structure comprises a hoistway, a control cabinet is fixedly mounted on the inner surface of the hoistway, a protection assembly is arranged on the front face of the control cabinet, the protection assembly comprises a supporting piece, and the supporting piece is fixedly connected with the left side of the inner surface of the control cabinet; a rotating rod is rotatably connected to the upper portion of the supporting piece in a penetrating mode, a connecting piece is fixedly connected to the outer surface of the rotating rod, a protective cover is fixedly connected to the right side of the connecting piece, a switch is arranged on the inner surface of the protective cover and fixedly installed on the inner surface of the control cabinet, and an inserting sleeve is fixedly connected to the lower portion of the protective cover; a cabinet door is hinged to the front face of the control cabinet. The elevator locking switch is protected by arranging the protection assembly, fixing of the protection assembly is relieved by opening the cabinet door, at the moment, the elevator locking switch can be used by opening the protection assembly, and the effect of conveniently protecting the elevator locking switch is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of elevator lock switch, in particular to a lock switch structure of a machine-room-less elevator. BACKGROUND

[0002] The machine-room-less elevator is relative to the machine-room elevator, that is, the machine room is saved, and the control cabinet, traction machine, speed governor and the like in the original machine room are moved to the hoistway or replaced by other technologies. The lock switch of the machine-room-less elevator usually refers to a switch used for controlling the running state of the elevator, and the main function thereof is to lock the elevator to prevent the running of the elevator. In the machine-room-less elevator, the lock switch is usually located on the control cabinet or operation panel of the elevator. When the lock switch is in the locked state, the elevator cannot be started or run, thereby ensuring that the elevator cannot be started accidentally during the maintenance or non-working time. This design helps to ensure the safety of the maintenance personnel and prevent accidents during the maintenance of the elevator.

[0003] The patent document with the publication number CN205151427U discloses a lock switch structure of a machine-room-less elevator. The lock switch structure of the machine-room-less elevator comprises upper beams, a switch assembly component and a rope return wheel assembly component. The upper beams are two in number. The rope return wheel assembly component is installed at the middle position of the two upper beams. The switch assembly component is installed between the rope return wheel assembly component and the upper beams. The rope return wheel assembly component is provided with an upper rope wheel cover. The upper rope wheel cover is fixed with a guide shoe plate outside. The guide shoe plate is provided with a rope hole. In the above application document, when the lock plate operates, the switch baffle immediately presses the switch to achieve the purpose of disconnecting the switch. However, the protection is poor, and the switch is easy to be damaged during use, thereby losing the function at the critical moment. The lock switch structure is not convenient for strengthening the protection of the switch and ensuring that the switch can be kept in a complete state when needed. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model provides a lock switch structure of a machine-room-less elevator, which solves the problems in the above background technology. In order to achieve the above purpose, the utility model is realized by the following technical scheme: a lock switch structure of a machine-room-less elevator, comprising a hoistway, a control cabinet is fixedly installed on the inner surface of the hoistway, a protection assembly is arranged on the front surface of the control cabinet, the protection assembly comprises a supporting piece, the supporting piece is fixedly connected with the left side of the inner surface of the control cabinet, a rotating rod is rotatably connected through the upper portion of the supporting piece, a connecting piece is fixedly connected with the outer surface of the rotating rod, a protection cover is fixedly connected with the right side of the connecting piece, a switch is arranged on the inner surface of the protection cover and is fixedly installed on the inner surface of the control cabinet, a sleeve is fixedly connected with the lower portion of the protection cover, and a cabinet door is hingedly connected with the front surface of the control cabinet.

[0005] Preferably, the protection assembly further comprises a sliding block, the sliding block is slidably connected with the inner surface of the control cabinet, a plug rod is fixedly connected above the sliding block, a connecting arm is hingedly connected to the front surface of the sliding block, and the connecting arm is hingedly connected to the front surface of the door.

[0006] Preferably, the elevator body is fixedly installed on the inner surface of the shaft.

[0007] Preferably, a counterweight assembly is arranged above the protection cover, the counterweight assembly comprises a winding drum, the winding drum is fixedly connected with the upper end of the rotating rod, a counterweight is connected to the right side of the winding drum through a steel cable, a guide wheel is arranged below the steel cable, the guide wheel is rotatably connected with the inner surface of the control cabinet, and a pushing assembly is arranged on the right side of the counterweight.

[0008] Preferably, the pushing assembly comprises a movable strip, the movable strip is movably penetrated into the right side of the control cabinet, a top sheet is fixedly connected to the right end of the movable strip, and a spring is elastically connected between the top sheet and the control cabinet.

[0009] Preferably, the pushing assembly further comprises a placing plate, and the placing plate is fixedly connected with the right side of the inner surface of the control cabinet.

[0010] The application has the advantages that:

[0011] (1) The protection assembly is arranged to protect the elevator locking switch, the fixing of the protection assembly is released by opening the door, and the elevator locking switch can be used by opening the protection assembly, so that the elevator locking switch is conveniently protected.

[0012] (2) The counterweight assembly can quickly open the protection assembly, the placing plate or the pushing assembly can place the counterweight assembly or push the counterweight assembly to play a role, so that the protection assembly is conveniently and quickly opened. DETAILED DESCRIPTION

[0013] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments illustrated in the drawings of the application in which:

[0014] Figure 1 is a schematic view of the overall structure of the utility model;

[0015] Figure 2 is a schematic view of the Figure 1 structure of the utility model in A;

[0016] Figure 3 is a schematic view of the Figure 2 structure of the utility model in B;

[0017] Figure 4 The utility model discloses Figure 2 The structure amplification schematic view of C place in middle.

[0018] In the above figure,

[0019] 1, shaft; 2, control cabinet; 3, protection assembly; 301, support sheet; 302, rotating rod; 303, connecting sheet; 304, protection cover; 305, insert sleeve; 306, sliding block; 307, insert rod; 308, connecting arm; 4, cabinet door; 5, elevator body; 6, counterweight assembly; 601, winding drum; 602, steel cable; 603, counterweight block; 604, guide wheel; 7, pushing assembly; 701, movable strip; 702, top sheet; 703, spring; 704, placing plate. DETAILED DESCRIPTION

[0020] In order to make the person skilled in the art better understand the present application scheme, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0021] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments. EMBODIMENTS

[0022] Reference Figures 1-4The embodiment provides a lock switch structure of a machine roomless elevator, which comprises a hoistway 1, a control cabinet 2 fixedly installed on the inner surface of the hoistway 1, the control cabinet 2 being arranged at the bottom of the hoistway 1, a protection assembly 3 arranged on the front surface of the control cabinet 2, the protection assembly 3 comprising support plates 301 fixedly connected with the left side of the inner surface of the control cabinet 2, a rotating rod 302 penetrating through the upper side of the support plate 301 and being rotatably connected with the support plate 301, bearings arranged between the rotating rod 302 and the support plate 301, connecting plates 303 fixedly connected with the outer surface of the rotating rod 302, the number of the support plates 301 and the connecting plates 303 being two, a protective cover 304 fixedly connected with the right side of the connecting plate 303, a switch arranged on the inner surface of the protective cover 304 and fixedly installed on the inner surface of the control cabinet 2, the switch being a lock switch of the elevator, a sleeve 305 fixedly connected with the lower side of the protective cover 304, a cabinet door 4 hingedly connected with the front surface of the control cabinet 2, the protection assembly 3 further comprising a sliding block 306 slidably connected with the inner surface of the control cabinet 2, sliding rails arranged on the inner surface of the control cabinet 2 and used for sliding of the sliding block 306, the sliding block 306 not falling off from the sliding rails, a plug rod 307 fixedly connected with the upper side of the sliding block 306 and shaped as an L-shaped, the plug rod 307 being capable of being inserted into the sleeve 305, a connecting arm 308 hingedly connected with the front surface of the sliding block 306, the connecting arm 308 being hingedly connected with the front surface of the cabinet door 4, and an elevator body 5 fixedly installed on the inner surface of the hoistway 1.

[0023] When the cabinet door 4 is opened, the opening will pull the connecting arm 308, the connecting arm 308 will pull the sliding block 306 to slide to the left, the sliding block 306 sliding to the left will drive the plug rod 307 to move to the left, at this moment, the plug rod 307 is pulled out of the sleeve 305, so that the fixing of the protective cover 304 is cancelled, at this moment, the protective cover 304 is turned to the left, the protective cover 304 drives the connecting plate 303 to rotate the rotating rod 302 clockwise in the support plate 301, and after the protective cover 304 is opened, the switch is exposed, so that the switch is operated to lock the elevator body 5. Embodiment

[0024] Reference Figures 1-4On the basis of embodiment one, the counterweight assembly 6 is arranged above the protective cover 304, the counterweight assembly 6 comprises a winding drum 601, the winding drum 601 is fixedly connected with the upper end of the rotating rod 302, a counterweight block 603 is connected with the right side of the winding drum 601 through a steel cable 602, the steel cable 602 is wound on the winding drum 601 in clockwise direction, a guide wheel 604 is arranged below the steel cable 602, the guide wheel 604 is used for supporting the steel cable 602, the guide wheel 604 is rotatably connected with the inner surface of the control cabinet 2, the push assembly 7 is arranged on the right side of the counterweight block 603, the push assembly 7 comprises a movable strip 701, the movable strip 701 is square-shaped, the movable strip 701 is movably penetrated through the right side of the control cabinet 2, a top sheet 702 is fixedly connected with the right end of the movable strip 701, the top sheet 702 is square-shaped, a spring 703 is elastically connected between the top sheet 702 and the control cabinet 2, the spring 703 is arranged on the outer surface of the movable strip 701, the push assembly 7 further comprises a placing plate 704, the counterweight block 603 is placed on the placing plate 704, the placing plate 704 is fixedly connected with the right side of the inner surface of the control cabinet 2.

[0025] When the protective cover 304 needs to be opened, the spring 703 is compressed by pressing the top sheet 702, the movable strip 701 is moved to the left by pressing the top sheet 702, the movable strip 701 pushes the counterweight block 603 to be pushed down from the placing plate 704, the counterweight block 603 falls under the action of gravity, the counterweight block 603 pulls the steel cable 602, and the winding drum 601 is rotated clockwise, the rotating rod 302 is rotated clockwise, the connecting sheet 303 is opened to facilitate the use of the switch.

[0026] The above merely describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A machine room less elevator lock switch structure comprising a shaft (1), characterized in that, The inner surface of the hoistway (1) is fixedly provided with a control cabinet (2), the front surface of the control cabinet (2) is provided with a protection assembly (3), the protection assembly (3) comprises a supporting sheet (301), the supporting sheet (301) is fixedly connected with the left side of the inner surface of the control cabinet (2), a rotating rod (302) is rotatably connected to the upper side of the supporting sheet (301), a connecting sheet (303) is fixedly connected to the outer surface of the rotating rod (302), a protection cover (304) is fixedly connected to the right side of the connecting sheet (303), a switch is arranged on the inner surface of the protection cover (304) and is fixedly arranged on the inner surface of the control cabinet (2), a plug sleeve (305) is fixedly connected to the lower side of the protection cover (304), and a cabinet door (4) is hingedly connected to the front surface of the control cabinet (2).

2. A machine room less elevator lock switch structure according to claim 1, characterized in that, The protection assembly (3) further comprises a sliding block (306), the sliding block (306) is slidably connected with the inner surface of the control cabinet (2), a plug rod (307) is fixedly connected to the upper side of the sliding block (306), a connecting arm (308) is hingedly connected to the front surface of the sliding block (306), and the connecting arm (308) is hingedly connected to the front surface of the cabinet door (4).

3. A machine room less elevator lock switch structure according to claim 2, characterized in that, The inner surface of the hoistway (1) is fixedly provided with an elevator body (5).

4. A machine room less elevator lock switch structure according to claim 3, characterized in that, The upper side of the protection cover (304) is provided with a counterweight assembly (6), the counterweight assembly (6) comprises a winding drum (601), the winding drum (601) is fixedly connected to the upper end of the rotating rod (302), a counterweight (603) is connected to the right side of the winding drum (601) through a steel cable (602), a guide wheel (604) is arranged on the lower side of the steel cable (602), the guide wheel (604) is rotatably connected with the inner surface of the control cabinet (2), and a pushing assembly (7) is arranged on the right side of the counterweight (603).

5. A machine room less elevator lock switch structure according to claim 4, characterized in that, The pushing assembly (7) comprises a movable strip (701), the movable strip (701) movably penetrates the right side of the control cabinet (2), a top sheet (702) is fixedly connected to the right end of the movable strip (701), and a spring (703) is elastically connected between the top sheet (702) and the control cabinet (2).

6. A machine room less elevator lock switch structure according to claim 5, characterized in that, The pushing assembly (7) further comprises a placing plate (704), and the placing plate (704) is fixedly connected with the right side of the inner surface of the control cabinet (2).

Images