Movable elevator shaft protective door

Abstract

The utility model discloses a movable elevator shaft protective door which comprises a frame body, a skirting board and a mounting box, the frame body is detachably connected with walls on the two sides of an elevator shaft, and two rectangular through grooves are formed in the frame body in parallel; the skirting board is rotatably mounted at the bottom of the frame main body; the mounting box is mounted at the end of the frame body in a sleeving mode, two supporting arms are movably mounted in the mounting box in the width direction of the frame body, and the ends, away from each other, of the two supporting arms extend out of the mounting box and are fixedly connected with clamping pieces used for detachably connecting the frame body with walls on the two sides of an elevator shaft. According to the utility model, a fixed welding type hoistway protective door is improved into a movable type, so that workers can temporarily enter and exit conveniently, overall disassembly is not needed, potential risks that the protective door is completely opened after the workers temporarily enter and off-site workers enter by mistake are also avoided, overall installation is realized through the clamping pieces, and the safety is improved. And on the basis of not damaging the wall of the hoistway, the forward impact and mistaken entry prevention is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator protection technical field especially relates to a movable elevator shaft protection door. BACKGROUND

[0002] The elevator shaft protection door is an important safety facility in building construction, and its main role is to prevent personnel or goods from falling accidentally, to ensure construction safety, and to form an eye-catching reminder and protection without blocking the line of sight, to prevent mis-falling into the elevator shaft and causing serious construction accidents.

[0003] In construction, the elevator shaft protection door must be installed with the layer, and it cannot be removed or changed except in special circumstances, but when the elevator shaft is under construction or the floor is pouring, etc. Work personnel need to open the protection door to enter, which leads to the opening of the shaft, and there is a great safety hazard, and it is also troublesome to disassemble. In addition, the common fixed shaft protection door is usually fixed directly with the wall by expansion screws, and impact drilling is needed during installation. Not only is the efficiency low, but also the wall is damaged, and subsequent hole repair is also needed. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects of the prior art, providing a movable elevator shaft protection door, solving the technical problems of low installation efficiency and wall damage of the existing fixed protection door, facilitating temporary access of workers, and not needing to be disassembled as a whole.

[0005] To achieve the above technical effects, the utility model provides a movable elevator shaft protection door, which comprises:

[0006] The frame body is detachably connected with the walls on both sides of the elevator shaft, two rectangular through slots are formed in parallel on the frame body, and two mesh plates are arranged on the frame body corresponding to the positions of the two rectangular through slots for covering the rectangular through slots. The end portions of the two mesh plates away from each other are hingedly connected with the frame body, and the end portions of the two mesh plates close to each other are detachably connected with the frame body.

[0007] The kick plate is rotatably installed at the bottom of the frame body, the upper end of the kick plate is hingedly connected with the lower end of the frame body, and the lower part of the frame body is provided with a fixing member corresponding to the rotation of the kick plate, so that the lower part of the kick plate is fixed relative to the frame body. A limiting structure is arranged between the frame body and the kick plate for fixing the kick plate relative to the frame body when the kick plate is rotated to the same vertical plane as the frame body.

[0008] The mounting box is mounted on the end of the frame body, two supporting arms are movably mounted in the mounting box along the width direction of the frame body, the two supporting arms are staggered and oppositely arranged, and the end of the two supporting arms away from each other is extended out of the mounting box and fixedly connected with a clamping piece for detachably connecting the frame body with the wall on both sides of the elevator shaft.

[0009] Preferably, the fixing piece comprises a first magnetic plate arranged on the lower part of the front surface of the skirting board and a second magnetic plate arranged on the lower part of the front surface of the frame body and magnetically opposite to the first magnetic plate.

[0010] Preferably, the limiting structure comprises a plurality of first mounting pieces arranged on the two sides of the lower end of the frame body and the two sides of the upper end of the skirting board, a first through hole is arranged on each first mounting piece, and a first screw rod for cooperating with a first nut to fixedly connect the skirting board with the frame body is arranged in the opposite two first through holes.

[0011] Preferably, the end of the two mesh plates close to each other is respectively provided with a plurality of second mounting pieces, a second through hole is arranged on each second mounting piece, and a second screw rod for detachably connecting the two mesh plates with the frame body is arranged in the opposite two second through holes.

[0012] Preferably, the opposite sides of the two supporting arms are respectively provided with a tooth-shaped groove, a rotating rod is rotatably arranged on the middle part of the mounting box, the two supporting arms are symmetrically arranged about the rotating rod, and a gear coaxially connected with the two tooth-shaped grooves is arranged on the outer side of the rotating rod.

[0013] Preferably, the end of the rotating rod is extended out of the mounting box and fixedly connected with a rotating knob.

[0014] Preferably, the opposite outer sides of the two supporting arms are respectively provided with a limiting sliding block, and the two sides of the mounting box are correspondingly provided with a limiting sliding groove for slidingly connecting the corresponding limiting sliding block to limit the supporting arms.

[0015] Preferably, a threaded hole is arranged on each clamping piece and used for cooperating with a locking bolt to detachably connect the clamping piece with the wall on both sides of the elevator shaft.

[0016] Thanks to the above technical scheme, the utility model has the following technical effects:

[0017] 1) The fixedly welded shaft protection door is improved to be movable, the mesh plate can be lifted up, the staff can temporarily enter and exit, the remaining parts are not affected, the whole does not need to be disassembled, and the potential danger that the protection door is completely opened and non-site personnel mistakenly enter is avoided;

[0018] 2) Through several extendable and retractable metal clamps, the whole installation is realized, the positive anti-impact and anti-misentry are realized without damaging the shaft wall, and the operation is simple and fast;

[0019] 3) The skirting board can be opened, so that when the floor of the shaft door needs to be constructed, the protective door does not need to be disassembled or two construction joints are left. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical schemes in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0021] Figure 1 It is a perspective view of the movable elevator shaft protective door in the embodiment of the present application.

[0022] Figure 2 It is a perspective view of the movable elevator shaft protective door in the embodiment of the present application.

[0023] Figure 3 It is a structural schematic view of the arm and the clamp in the embodiment of the present application.

[0024] Figure 4 It is a sectional view of the mounting box in the embodiment of the present application.

[0025] The corresponding relationship of the reference numerals in the drawings is as follows:

[0026] 1, frame body, 2, skirting board, 3, first mounting piece, 4, rectangular through slot, 5, net plate, 6, first magnetic plate, 7, second magnetic plate, 8, second mounting piece, 9, mounting box, 10, arm, 11, clamp, 12, rotating rod, 13, rotating knob, 14, gear, 15, toothed groove, 16, limit sliding block, 17, limit sliding groove, 18, threaded hole. DETAILED DESCRIPTION

[0027] The technical schemes in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0028] Please refer to Figures 1 to 4As shown, the utility model embodiment provides a movable elevator shaft protective door, including frame main body 1, skirting board 2 and installation box 9, wherein frame main body 1 is detachably connected with the wall body of elevator shaft both sides, two rectangular through slots 4 are opened parallel on frame main body 1, and the position of two rectangular through slots 4 on frame main body 1 is equipped with two net boards 5 for covering rectangular through slot 4 respectively, the end of two net boards 5 on mutually far side is hinged connection with frame main body 1, and the end of mutually close side is detachably connected with frame main body 1.

[0029] Further, skirting board 2 is rotatably installed in the bottom of frame main body 1, the upper end of skirting board 2 is hinged connection with the lower end of frame main body 1, and the lower part of frame main body 1 is correspondingly equipped with fixing piece for being fixed with the lower part of skirting board 2 relative to frame main body 1 along with the rotation of skirting board 2, the limiting structure for being fixed with skirting board 2 relative to frame main body 1 is arranged between frame main body 1 and skirting board 2 when skirting board 2 is rotated to be in the same vertical plane with frame main body 1.

[0030] Further, installation box 9 is sleeved and installed in the end of frame main body 1, two supporting arms 10 are movably installed in installation box 9 along the width direction of frame main body 1 respectively, two supporting arms 10 are arranged alternately and the moving direction is opposite, the end of two supporting arms 10 on mutually far side is extended out of installation box 9 and is fixedly connected with the clamping piece 11 for detachably connecting frame main body 1 with the wall body of elevator shaft both sides.It needs to be explained that two installation boxes 9 are arranged in the embodiment, and are located on frame main body 1 and close to the upper and lower ends.

[0031] Please refer to Figure 1 、 Figure 3 And Figure 4As shown, the opposite sides of the two arms 10 are provided with tooth-shaped grooves 15, a rotating rod 12 is rotatably installed at the middle of the installation box 9, the two arms 10 are symmetrically arranged about the rotating rod 12, and the outer side of the rotating rod 12 is coaxially connected with a gear 14 engaged with the two tooth-shaped grooves 15. Preferably, the end of the rotating rod 12 extends out of the installation box 9 and is fixedly connected with a rotating knob 13, the opposite outer sides of the two arms 10 are provided with limiting sliding blocks 16, and the two sides in the installation box 9 are correspondingly provided with limiting sliding grooves 17 for slidingly connecting the corresponding limiting sliding blocks 46 to limit the arms 10. By arranging the limiting sliding grooves 17 and the limiting sliding blocks 16, the arms 10 can be limited to move more stably and not easily tilt and jam. It should be noted that in the embodiment, the longitudinal sections of the arms 10 are all L-shaped, the clamping pieces 11 are U-shaped and symmetrically clamped outside the walls on both sides of the hoistway, each clamping piece 11 is provided with a threaded hole 18 and is used to cooperate with a locking bolt for screw connection, so as to detachably connect the clamping piece 11 with the walls on both sides of the elevator hoistway. By rotating the rotating knob 13, the rotating rod 12 and the gear 14 are driven to rotate, so that the two arms 10 can be driven to move towards or away from each other through the engagement of the tooth-shaped grooves 15, so as to push the clamping pieces 11 outwards or retract them inwards, and when pushed out, the clamping pieces 11 are clamped on the walls on both sides of the hoistway, and by tightening the locking bolt inwards, the clamping pieces 11 are tightly abutted against the walls, forming a fixed state. At this time, the clamping pieces 11 form a block on the inner and outer sides of the walls, so that the frame body 1 is not easy to collapse under special circumstances.

[0032] As shown in Figure 1 and Figure 2 As shown, the upper end of the skirting board 2 is hingedly connected with the frame body 1 through a hinge, and the hinge is close to the front side, so that the skirting board 2 can be easily lifted upwards from the front side to facilitate the work below. The fixing member includes a first magnetic plate 6 arranged on the front lower part of the skirting board 2 and a second magnetic plate 7 arranged on the front lower part of the frame body 1 and magnetically opposite to the first magnetic plate 6. By arranging the first magnetic plate 6 and the second magnetic plate 7, the skirting board 2 can be quickly connected and fixed after being lifted upwards, the operation steps are reduced, and the use is convenient. During the construction of the floor, the construction joint will not be formed due to the blocking of the skirting board 2. Preferably, in the embodiment, the limiting structure includes a plurality of first mounting members 3 arranged on the two sides of the lower end of the frame body 1 and the two sides of the upper end of the skirting board 2, respectively. Each first mounting member 3 is provided with a first through hole, and opposite two first through holes are inserted with a first screw rod for cooperating with a first nut to fixedly connect the skirting board 2 with the frame body 1. When the ground below does not need to be constructed, the first screw rod and the first nut are used to pass through the first through hole of the first mounting member 3 and are fixed, so as to fix the skirting board 2 below the frame body 1 and prevent it from being easily shaken and loosened.

[0033] Further, the two net plates 5 are respectively provided with a plurality of second mounting members 8 on the side close to each other, each second mounting member 8 is provided with a second through hole, and a second screw rod for matching a second nut to detachably connect the two net plates 5 with the frame body 1 is inserted into the opposite two second through holes. When the construction in the shaft needs to be accessed, the second screw bolt and the second nut on the second mounting member 8 are opened, and the net plate 5 hinged with the frame body is lifted up, so that the personnel can enter from the rectangular through slot 4, and the personnel can enter and exit without disassembling the overall structure, avoiding that the shaft is unprotected after being completely disassembled, and causing a safety accident.

[0034] The parts not involved in the present application are the same as the prior art or can be realized by using the prior art. Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A movable elevator shaft safety door, characterized in that, include: The frame body is detachably connected to the walls on both sides of the elevator shaft. Two rectangular through slots are opened in parallel on the frame body, and two mesh plates are respectively provided on the frame body to cover the rectangular through slots at the positions corresponding to the two rectangular through slots. The ends of the two mesh plates that are far apart from each other are hinged to the frame body, and the ends that are close to each other are detachably connected to the frame body. A kickboard is rotatably mounted on the bottom of the frame body. The upper end of the kickboard is hinged to the lower end of the frame body. The lower part of the frame body is provided with a fixing member for fixing the lower part of the kickboard relative to the frame body as the kickboard rotates. A limiting structure is provided between the frame body and the kickboard for fixing the kickboard relative to the frame body when the kickboard rotates to be in the same vertical plane as the frame body. The mounting box is fitted and installed at the end of the frame body. Two support arms are movably installed in the mounting box along the width direction of the frame body. The two support arms are staggered vertically and move in opposite directions. The ends of the two support arms that are far apart from each other extend out of the mounting box and are fixedly connected with clips for detachably connecting the frame body to the walls on both sides of the elevator shaft.

2. The movable elevator shaft safety door as described in claim 1, characterized in that: The fastener includes a first magnetic plate located on the lower part of the front of the kickboard and a second magnetic plate located on the lower part of the front of the frame body and magnetically opposite to the first magnetic plate.

3. The movable elevator shaft safety door as described in claim 1, characterized in that: The limiting structure includes a plurality of first mounting parts respectively provided on two sides at the lower end of the frame body and on two sides at the upper end of the kick plate. Each first mounting part is provided with a first through hole, and a first screw for fixing the kick plate to the frame body by cooperating with a first nut is inserted into the two opposite first through holes.

4. The movable elevator shaft safety door as described in claim 1, characterized in that: Multiple second mounting components are provided at the ends of the two mesh panels that are close to each other. Each second mounting component has a second through hole, and a second screw is inserted into the two opposite second through holes for detachably connecting the two mesh panels to the frame body with a second nut.

5. The movable elevator shaft safety door as described in claim 1, characterized in that: Both of the two support arms have toothed grooves on their opposite sides. A rotating rod is rotatably mounted on the mounting box at the middle position. The two support arms are symmetrically arranged about the rotating rod, and a gear that meshes with the two toothed grooves is coaxially connected to the outer side of the rotating rod.

6. The movable elevator shaft safety door as described in claim 5, characterized in that: The end of the rotating rod extends out of the mounting box and is fixedly connected to a knob.

7. The movable elevator shaft safety door as described in claim 1, characterized in that: Limiting sliders are provided on the opposite outer sides of both support arms, and limiting grooves are provided on both sides of the mounting box for the corresponding limiting sliders to slide and thus limit the support arms.

8. The movable elevator shaft safety door as described in claim 1, characterized in that: Each of the aforementioned clips is provided with a threaded hole for engaging with a locking bolt, thereby detachably connecting the clip to the walls on both sides of the elevator shaft.

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