CN213112141U - Elevator layer door anticreep device - Google Patents

Abstract

The utility model discloses an elevator landing door anti-disengaging device, which belongs to the elevator safety field, and comprises an elevator door frame, wherein the bottom of the elevator door frame is fixedly provided with a supporting sill, the inside of the elevator door frame is provided with two landing doors, the bottoms of the two landing doors are connected with the supporting sill in a sliding way, the top of the elevator door frame is fixedly provided with a movable supporting frame, the landing doors are supported by the limiting of an anti-disengaging rod in an anti-disengaging groove, the landing doors are prevented from falling out of the supporting sill by external force, and further major accidents occur, when the landing doors are closed, a transmission gear is driven by a driving box to move, and further a transmission supporting box is driven to drive a thread lifting rod to rotate and lift, the thread lifting rod drives a bearing and an anti-disengaging limiting block to move up and down, and the anti-disengaging limiting block can extend into an anti-disengaging limiting groove at the top of the, and providing a limit support for the top of the landing door.

Description

Elevator layer door anticreep device

Technical Field

The utility model relates to an elevator safety field, more specifically say, relate to an elevator layer door anticreep device.

Background

Elevator layer door gear all generally includes bank, guide rail and layer door link plate, and wherein the guide rail level is arranged, and layer door link plate installs on the guide rail through last peg wheel and the lower roller slidable that set up on it, sets up the sharp slot hole that the slant extends on the layer door link plate, installs a roller seat slidable on the sharp slot hole, lower roller rotatably installs on the roller seat. Because the lower part of the guide rail on the traditional elevator landing door device is a plane, the rolling surface of the lower roller is also a plane, and the downward position of the roller seat of the lower roller on the landing door hanging plate is very low, when the landing door hanging plate is impacted, the hanging wheel on the landing door hanging plate can be separated from the guide rail, thereby causing major accidents.

The anti-disengaging device of the existing elevator landing door is simple in structure and poor in limiting effect, and the elevator landing door is still easy to break away from the sill.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims at providing an elevator layer door anticreep device possesses spacing anticreep effectually, improves the advantage of elevator protection effect, has solved the anticreep device simple structure of current elevator layer door, and limiting displacement is not good, still easily takes place the problem of the accident that breaks away from of elevator layer door and sill.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An elevator landing door anti-disengaging device comprises an elevator door frame, wherein a supporting sill is fixedly arranged at the bottom of the elevator door frame, two landing doors are arranged inside the elevator door frame, the bottoms of the two landing doors are slidably connected with the supporting sill, a movable supporting frame is fixedly arranged at the top of the elevator door frame, a sliding rail is fixedly arranged on the inner bottom wall of the supporting sill, a sliding wheel is fixedly arranged at the bottom of the landing door and is slidably connected with the sliding rail, anti-disengaging rods are fixedly arranged at the front side and the rear side of the bottom of the landing door, an anti-disengaging groove is formed in the supporting sill, the anti-disengaging rods extend into the anti-disengaging groove, an anti-disengaging roller is rotatably connected to one end of each anti-disengaging rod, which is far away from the landing door, and is slidably connected with the anti-disengaging groove, a T-shaped rod is fixedly arranged at the top of the landing door, an upper, the top end of the T-shaped rod is positioned inside the upper chute, a plurality of roller groups are fixedly installed on the inner top wall of the upper chute, the roller groups are in rolling connection with the top of the T-shaped rod, a transmission supporting box is fixedly installed inside the movable supporting frame, a driving box is fixedly installed inside the movable supporting frame, one side of the front face of the driving box is in transmission connection with a transmission gear, the transmission gear is in transmission connection with the transmission supporting box, the transmission supporting box is rotatably connected with a threaded lifting rod, the bottom end of the threaded lifting rod is rotatably connected with a bearing, an anti-falling limiting block is fixedly installed at the bottom of the bearing, an anti-falling limiting groove matched with the anti-falling limiting block is formed in the top of the landing door, the bottom of the anti-falling limiting block extends to the inside of the anti-falling limiting groove, and when the landing door is used, the sliding, the upper part of the elevator door is supported by rolling wheels and T-shaped rods, so that the landing door can move in the elevator door frame under the support of the support sill to realize the opening and closing of the landing door and ensure the normal use of the elevator, when the landing door is impacted by external force, the landing door is supported by the spacing of the anti-falling rods in the anti-falling grooves to prevent the landing door from falling out of the support sill by the external force and further causing major accidents, the anti-falling rods can move smoothly in the anti-falling grooves by the anti-falling rollers without interfering with the normal movement of the landing door, when the landing door is closed, the transmission gears are driven by the driving box to move, and then the transmission support box is driven to drive the threaded lifting rods to rotate and lift, the threaded lifting rods drive the bearings and the anti-falling limiting blocks to move up and down, the anti-falling limiting blocks can extend into the anti-falling limiting grooves at the top of the landing door when closed, and the, the phenomenon that the stress drops appears in the layer door is avoided, and multiple anti-drop mode combined action improves the anti-drop protect function of layer door, improves the security of device.

Preferably, the bottom fixed mounting of layer door has shock attenuation buffer block, shock attenuation buffer block's bottom and movable pulley sliding connection can cushion the vibrations that layer door below produced when the motion through shock attenuation buffer block, reduce the atress collision that vibrations made layer door to take place, prolong the life of layer door.

Preferably, the inside fixed mounting of T type pole has a plurality of strengthening ribs, improves the structural strength of T type pole through the strengthening rib, reduces the atress deformation of T type pole, improves the stability of device.

Preferably, the surface spraying of anticreep gyro wheel has the lubricant coating, can reduce the frictional force when the anticreep gyro wheel slides through the lubricant coating for the more smooth of motion of anticreep gyro wheel ensures the steady operation of device.

Preferably, the left and right sides one side fixed mounting that the layer door contacted has the striking blotter, can cushion the impact when both sides layer door is closed through the striking blotter, reduces the deformation that the long-time use of layer door produced, the normal life of extension fixture.

Preferably, the inner top wall fixed mounting of activity carriage has photoelectric detection sensor, can detect the inside equipment of activity carriage and detect the position condition of layer door through photoelectric detection sensor, and the staff of being convenient for in time knows the equipment trouble condition, is convenient for overhaul.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) when the scheme is used, the lower parts of the landing doors on the left side and the right side are supported by the sliding wheels and the sliding rails in a rolling manner, the upper parts of the landing doors are supported by the roller groups and the T-shaped rods in a rolling manner, so that the landing doors can move in the elevator door frame under the support of the support sill, the landing doors can be opened and closed, the normal use of the elevator is ensured, when the landing doors are impacted by external force, the landing doors are supported by the anti-falling rods in the anti-falling grooves, the landing doors are prevented from falling out of the support sill by the external force and further from major accidents, the anti-falling rods can move smoothly in the anti-falling grooves by the anti-falling rollers without hindering the normal movement of the landing doors, when the landing doors are closed, the transmission gears are driven by the driving boxes to move, the transmission supporting boxes are further driven to drive the threaded lifting rods to rotate and lift, the threaded lifting rods drive the bearings and the anti-falling stoppers to move up and down, and the, the top of layer door provides spacing support, avoids the phenomenon that the atress drops to appear in the layer door, and multiple anti-drop mode combined action improves the anti-drop protect function of layer door, improves the security of device.

(2) This scheme passes through the shock attenuation buffer block can cushion the vibrations that layer door below produced when the motion, reduces the atress collision that vibrations made layer door to take place, prolongs the life of layer door.

(3) This scheme improves the structural strength of T type pole through the strengthening rib strip, reduces the atress deformation of T type pole, improves the stability of device.

(4) This scheme can reduce the frictional force when the anticreep gyro wheel slides through lubricating coating for the more smooth in same direction as smooth of motion of anticreep gyro wheel, the steady operation of guarantee device.

(5) This scheme can cushion the impact when both sides layer door is closed through the striking blotter, reduces the deformation that the long-time use of layer door produced, the normal life of extension fixture.

(6) This scheme can detect movable carriage internal plant and detect the position condition to the layer door through the photoelectric detection sensor, and the staff of being convenient for in time knows the equipment trouble condition, is convenient for overhaul.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the anti-falling rod of the present invention;

fig. 3 is a schematic structural view of the upper chute of the present invention;

fig. 4 is a schematic structural view of the movable support frame of the present invention.

The reference numbers in the figures illustrate:

1. an elevator door frame; 2. supporting the sill; 3. a landing door; 4. a movable support frame; 5. a slide rail; 6. a sliding wheel; 7. an anti-drop rod; 8. a drop-proof groove; 9. an anti-drop roller; 10. a T-shaped rod; 11. an upper chute; 12. a roller set; 13. a transmission support box; 14. a drive box; 15. a transmission gear; 16. a threaded lifting rod; 17. a bearing; 18. an anti-drop limiting block; 19. an anti-drop limiting groove; 301. a shock-absorbing buffer block; 302. a crash cushion; 101. reinforcing ribs; 901. a lubricating coating; 401. and a photoelectric detection sensor.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, an elevator landing door anti-disengaging device comprises an elevator door frame 1, a support sill 2 is fixedly installed at the bottom of the elevator door frame 1, two landing doors 3 are arranged inside the elevator door frame 1, the bottoms of the two landing doors 3 are slidably connected with the support sill 2, a movable support frame 4 is fixedly installed at the top of the elevator door frame 1, a slide rail 5 is fixedly installed on the inner bottom wall of the support sill 2, a slide wheel 6 is fixedly installed at the bottom of the landing door 3, the slide wheel 6 is slidably connected with the slide rail 5, anti-disengaging rods 7 are fixedly installed at the front side and the rear side of the bottom of the landing door 3, an anti-disengaging groove 8 is formed in the support sill 2, the anti-disengaging rods 7 extend into the anti-disengaging groove 8, an anti-disengaging roller 9 is rotatably connected to one end of the anti-disengaging rod 7 far away from the landing door 3, the anti-disengaging roller 9 is slidably connected with the anti-disengaging groove 8, a T-shaped, the top end of a T-shaped rod 10 is positioned inside an upper chute 11, a plurality of roller groups 12 are fixedly arranged on the inner top wall of the upper chute 11, the roller groups 12 are in rolling connection with the top of the T-shaped rod 10, a transmission supporting box 13 is fixedly arranged inside a movable supporting frame 4, a driving box 14 is fixedly arranged inside the movable supporting frame 4, one side of the front surface of the driving box 14 is in transmission connection with a transmission gear 15, the transmission gear 15 is in transmission connection with the transmission supporting box 13, a threaded lifting rod 16 is rotatably connected inside the transmission supporting box 13, the bottom end of the threaded lifting rod 16 is rotatably connected with a bearing 17, an anti-falling limiting block 18 is fixedly arranged at the bottom of the bearing 17, an anti-falling limiting groove 19 matched with the anti-falling limiting block 18 is formed in the top of a landing door 3, the bottom of the anti-falling limiting block 18 extends to the inside of the anti-falling limiting groove 19, the upper part of the elevator door is supported by rolling through the roller group 12 and the T-shaped rod 10, so that the landing door 3 can move in the elevator door frame 1 under the support of the support sill 2, the opening and closing of the landing door 3 are realized, the normal use of the elevator is ensured, when the landing door 3 is impacted by external force, the landing door 3 is supported by the limit of the anti-falling rod 7 in the anti-falling groove 8, the landing door 3 is prevented from falling out of the support sill 2 by the external force, further major accidents occur, the anti-falling rod 7 can move smoothly in the anti-falling groove 8 through the anti-falling roller 9, the normal movement of the landing door 3 is not hindered, when the landing door 3 is closed, the driving box 14 drives the transmission gear 15 to move, further the transmission support box 13 drives the threaded lifting rod 16 to rotate and lift, the threaded lifting rod 16 drives the bearing 17 and the anti-falling limiting block 18 to move up and down, the limiting block 18 can extend into the anti-falling limiting groove 19 at the top of the, provide spacing support to the top of layer door 3, avoid layer door 3 the phenomenon that the atress drops to appear, multiple anti-drop mode combined action improves layer door 3's anti-drop protect function, improves the security of device.

The electric appliances and electronic elements related in the case can be directly purchased and selected according to the overall operation condition of the equipment, and are not described in detail.

Further, the bottom fixed mounting of layer door 3 has shock attenuation buffer block 301, and shock attenuation buffer block 301's bottom and 6 sliding connection of movable pulley can cushion the vibrations that layer door 3 below produced when the motion through shock attenuation buffer block 301, reduce the atress collision that vibrations made layer door 3 take place, prolong layer door 3's life.

Furthermore, a plurality of reinforcing ribs 101 are fixedly mounted inside the T-shaped rod 10, the structural strength of the T-shaped rod 10 is improved through the reinforcing ribs 101, stress deformation of the T-shaped rod 10 is reduced, and the stability of the device is improved.

Further, the outer surface of anti-disengaging roller 9 is coated with a lubricating coating 901, and friction force generated when anti-disengaging roller 9 slides can be reduced through lubricating coating 901, so that anti-disengaging roller 9 moves more smoothly, and the stable operation of the device is guaranteed.

Further, one side fixed mounting that left and right sides layer door 3 contacted has striking blotter 302, through striking blotter 302 can cushion the impact when both sides layer door 3 closed, reduces the deformation that layer door 3 used the production for a long time, the normal life of extension fixture.

Further, the inner top wall of the movable supporting frame 4 is fixedly provided with a photoelectric detection sensor 401, the photoelectric detection sensor 401 can detect the internal equipment of the movable supporting frame 4 and the position condition of the layer door 3, so that the working personnel can know the equipment fault condition in time and the maintenance is facilitated.

The working principle is as follows: when the elevator is used, the sliding wheels 6 and the sliding rails 5 roll and support the lower parts of the left and right landing doors 3, the upper parts of the landing doors are rolled and supported by the roller groups 12 and the T-shaped rods 10, so that the landing doors 3 can move in the elevator door frame 1 under the support of the support sill 2, the landing doors 3 can be opened and closed, the normal use of the elevator is ensured, when the landing doors 3 are impacted by external force, the landing doors 3 are supported by the spacing of the anti-disengaging rods 7 in the anti-disengaging grooves 8, the landing doors 3 are prevented from falling out of the support sill 2 by the external force, and further major accidents occur, the anti-disengaging rods 7 can move smoothly in the anti-disengaging grooves 8 by the anti-disengaging rollers 9, the normal movement of the landing doors 3 is not hindered, when the landing doors 3 are closed, the driving transmission gears 15 are driven by the driving boxes 14, and further the driving supporting boxes 13 drive the threaded lifting rods 16 to rotate and lift, and the threaded lifting rods 16 drive the bearings 17 and the anti-disengaging, the anticreep stopper 18 can stretch into the anticreep spacing groove 19 at 3 tops of layer door when closing, provides spacing support to the top of layer door 3, avoids layer door 3 the phenomenon that the atress drops to appear, and multiple anti-drop mode combined action improves the anti-drop protect function of layer door 3, and the security of improving device has solved the anticreep device simple structure of current elevator layer door, and limiting displacement is not good, still easily takes place the problem of the accident that breaks away from of elevator layer door and sill.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (6)

1. The utility model provides an elevator layer door anticreep device, includes elevator door frame (1), its characterized in that: the elevator door frame is characterized in that a supporting sill (2) is fixedly mounted at the bottom of the elevator door frame (1), two landing doors (3) are arranged inside the elevator door frame (1), the bottoms of the two landing doors (3) are connected with the supporting sill (2) in a sliding manner, a movable supporting frame (4) is fixedly mounted at the top of the elevator door frame (1), a sliding rail (5) is fixedly mounted on the inner bottom wall of the supporting sill (2), a sliding wheel (6) is fixedly mounted at the bottom of the landing door (3), the sliding wheel (6) is connected with the sliding rail (5) in a sliding manner, anti-falling rods (7) are fixedly mounted on the front side and the rear side of the bottom of the landing door (3), anti-falling grooves (8) are formed inside the supporting sill (2), the anti-falling rods (7) extend to the inside of the anti-falling grooves (8), and anti-falling rollers (9) are rotatably connected to one ends, far away from the, the anti-falling door is characterized in that the anti-falling roller (9) is in sliding connection with the anti-falling groove (8), a T-shaped rod (10) is fixedly mounted at the top of the landing door (3), an upper sliding groove (11) is formed in the elevator door frame (1), the top end of the T-shaped rod (10) is located in the upper sliding groove (11), a plurality of roller sets (12) are fixedly mounted on the inner top wall of the upper sliding groove (11), the roller sets (12) are in rolling connection with the top of the T-shaped rod (10), a transmission supporting box (13) is fixedly mounted in the movable supporting frame (4), a driving box (14) is fixedly mounted in the movable supporting frame (4), a transmission gear (15) is in transmission connection with one side of the front of the driving box (14), the transmission gear (15) is in transmission connection with the transmission supporting box (13), and a threaded lifting rod (16) is connected with the transmission supporting box (13) in, the bottom of screw thread lifter (16) rotates and is connected with bearing (17), the bottom fixed mounting of bearing (17) has anticreep stopper (18), the top of layer door (3) is seted up with anticreep stopper (18) matched with anticreep spacing groove (19), the bottom of anticreep stopper (18) extends to the inside of anticreep spacing groove (19).

2. The elevator landing door anti-drop device according to claim 1, wherein: the bottom fixed mounting of layer door (3) has shock attenuation buffer block (301), the bottom and the movable pulley (6) sliding connection of shock attenuation buffer block (301).

3. The elevator landing door anti-drop device according to claim 1, wherein: and a plurality of reinforcing ribs (101) are fixedly arranged in the T-shaped rod (10).

4. The elevator landing door anti-drop device according to claim 1, wherein: the outer surface of the anti-falling roller (9) is sprayed with a lubricating coating (901).

5. The elevator landing door anti-drop device according to claim 1, wherein: and impact cushions (302) are fixedly arranged on the left side and the right side of the layer door (3) which are contacted with each other.

6. The elevator landing door anti-drop device according to claim 1, wherein: and a photoelectric detection sensor (401) is fixedly mounted on the inner top wall of the movable supporting frame (4).

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