CN221461885U - Elevator shaft protection device - Google Patents

Abstract

The utility model discloses an elevator shaft protection device, which relates to the technical field of building construction protection and comprises a protection door and fixing devices, wherein the fixing devices are arranged on the side edges of the protection door and used for detachably mounting the protection door on a wall of an elevator shaft; the fixing device comprises a connecting rod and two locking blocks in threaded connection with the connecting rod, the connecting rod penetrates through the protective door in the thickness direction, and the two locking blocks are respectively located on different sides of the protective door to form a clamping space for clamping the protective door and the wall body. The fixing device of the device can adjust the size of the clamping space by controlling the relative rotation of the two locking blocks, so that the detachable installation of the protective door and the elevator shaft wall body is realized, the wall body is not damaged, and the device can be flexibly applied to the wall bodies with different thicknesses; through the cooperation of the protective door and the fixing device, the problem of high-risk potential safety hazards caused by the fact that the elevator shaft is not protected all the time is solved; the device simple structure, it is convenient to install and remove, can repeatedly turn round the use, is suitable for the popularization.

Description

Elevator shaft protection device

Technical Field

The utility model relates to the technical field of building construction protection, in particular to an elevator shaft protection device.

Background

Along with the rapid development of urban high-rise buildings, the building site elevator wellhead becomes one of the largest dangerous sources in building construction sites (namely reserved holes, elevator wellheads, passage ports and stair ports), is one of the parts of the building sites where safety accidents are most likely to occur, has larger potential safety hazards, and belongs to the object which must be prevented by building construction. Therefore, a constructor can add a temporary protection device at the elevator gate cast by integral molding, so that the danger is reduced.

In the prior art, for the safety protection of an elevator shaft, a grid type protective door and a net type protective door are usually arranged on the wall body of the elevator shaft, but expansion screws are required to be driven when installation and construction are carried out, so that the wall body is damaged, and the strength and the attractiveness are affected; and the spare part that is used for fixed guard gate at present installs and removes inconvenience, when needs temporarily open the guard gate in the work progress, easily causes spare part to lose or damage, leads to unable timely closing the guard gate, therefore has great potential safety hazard, and can cause the waste of material, can't turnover use.

For example, patent publication number CN207004079U discloses a temporary protective door for elevator shaft door opening, comprising a body, a fixing part comprising an expansion screw and a U-shaped pipe hoop a, and a clamping part comprising an expansion screw and a U-shaped clip or an expansion screw and a U-shaped pipe hoop B; the left and right ends of the body are vertical round tubes; the vertical round tubes at one end of the left end and the right end of the body penetrate through two or more U-shaped pipe hoops A, and the two ends of each U-shaped pipe hoop A are fixed on the wall of the elevator shaft door opening through expansion screws; the vertical round pipe joint of body left and right both ends other end is in one or more through the U type checkpost on the wall of inflation screw fixed in elevator shaft door entrance or U type ferrule B, if be U type ferrule B, still must be in the same place the both ends of U type ferrule B through bolt and nut fixation. But this technical scheme is through with vertical pipe cross-under in U type ferrule, and U type ferrule reaches fixed effect through the wall of inflation screw fixation at elevator shaft door entrance to a cave, and the inflation screw can cause the damage to the wall body in the fixed in-process, and the dismouting is inconvenient.

Disclosure of utility model

The utility model provides an elevator shaft protection device, which aims to solve the technical problems that a main body structure of a building is damaged and safety is poor when an elevator shaft protection door in the prior art is installed.

According to one aspect of the present utility model, there is provided a hoistway protecting device including a protecting door and a fixing device, a plurality of fixing devices arranged at sides of the protecting door for detachably mounting the protecting door on a wall of an hoistway mouth; the fixing device comprises a connecting rod and two locking blocks in threaded connection with the connecting rod, the connecting rod penetrates through the protective door in the thickness direction, and the two locking blocks are respectively located on different sides of the protective door to form a clamping space for clamping the protective door and the wall body.

Further, one end of the connecting rod, which is close to the inner side of the elevator shaft, is provided with a stop piece for abutting against the corresponding locking block, and the stop piece is in threaded fit with the connecting rod so as to adjust the stop piece to a first preset position or a second preset position, and the distance between the first preset position and the end, which is close to the inner side of the elevator shaft, of the connecting rod is larger than the distance between the second preset position and the end, which is close to the inner side of the elevator shaft, of the connecting rod.

Further, at least one end of the connecting rod is detachably connected with a limiting piece, and the limiting piece is used for preventing the locking block from being separated from the connecting rod.

Further, the outer surface of the limiting piece far away from the locking block is spherical or arc-shaped.

Further, the protection door comprises a door frame and a door body, a plurality of mounting holes are formed in the door body along the height direction, the connecting rod penetrates through the mounting holes, and the door frame is located in a clamping space formed by the two locking blocks.

Further, the door frame comprises upright posts which are vertically arranged at intervals and cross beams which are horizontally arranged at two ends of the upright posts at intervals, and the cross beams are fixedly connected with the upright posts; the fixing device clamps the upright post on the wall of the elevator shaft in a detachable manner through the running fit of the two locking blocks and the connecting rod.

Further, the protective door is also provided with a reflecting plate or a warning sign.

Further, the surfaces of the two locking blocks which are oppositely arranged are provided with anti-skid lines or are adhered with rubber layers.

Further, the locking block is provided with a through hole for reducing the weight of the locking block.

Further, the width of the end portion of the lock block gradually decreases in a direction away from the connecting rod.

The utility model has the following beneficial effects:

According to the elevator shaft protecting device, the plurality of fixing devices are arranged on the side edges of the protecting doors, so that the protecting doors are detachably arranged on the wall of the elevator shaft; the fixing device can realize the detachable installation of the protective door and the elevator shaft wall body by controlling the relative rotation of the two locking blocks so as to adjust the distance between the protective door and the elevator shaft wall body, and the size of a clamping space formed by the two locking blocks can be adjusted, so that the protective door and the elevator shaft wall body can be flexibly applied to wall bodies with different thicknesses; the device solves the problem that the elevator shaft mouth is not protected circumferentially through the cooperation of the protective door and the fixing device, and eliminates the high-risk potential safety hazard of the elevator shaft mouth; the device does not need to be provided with expansion screws in the installation process, and the wall of the elevator shaft mouth cannot be damaged; the protective door is detached from the wall of the elevator shaft without tools, the detachment can be completed by manually rotating the fixing device, the fixing device can be detached from the protective door completely, the folding and turnover transportation of the protective door cannot be influenced, the protective door is convenient to install and detach, the storage and the transportation are convenient, any part cannot be consumed in the detachment process, the recycling is truly realized, and the protective door is simple in structure, economical and applicable and suitable for popularization.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

Fig. 1 is an elevation view of the installation of a hoistway protective device according to a preferred embodiment of the present utility model;

fig. 2 is a top view of the installation of the hoistway protective device of the preferred embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of the fixing device according to the preferred embodiment of the present utility model;

fig. 4 is a schematic exploded view of a fixture according to a preferred embodiment of the present utility model.

Legend description:

1. A protective door; 11. a door frame; 12. a door body; 2. a fixing device; 21. a connecting rod; 22. a locking block; 23. a stopper; 24. and a limiting piece.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.

As shown in fig. 1 and 2, the hoistway protecting device of the present embodiment includes a protecting door 1 and a fixing device 2, and a plurality of fixing devices 2 are disposed at side edges of the protecting door 1 for detachably mounting the protecting door 1 on a wall of an hoistway mouth; the fixing device 2 comprises a connecting rod 21 and two locking blocks 22 which are in threaded connection with the connecting rod 21, wherein the connecting rod 21 penetrates through the protective door 1 along the thickness direction, and the two locking blocks 22 are respectively positioned on different sides of the protective door 1 to form a clamping space for clamping the protective door 1 and a wall body. The connecting rod 21 can guide the movement of the locking blocks 22 connected to the two ends of the connecting rod 21, so that the two locking blocks 22 can relatively rotate along the length direction of the connecting rod 21 to approach or separate; on the other hand, the length of the connecting rod 21 can flexibly adapt to walls with different thicknesses. When the device is used, a plurality of fixing devices 2 are assembled to the side edge of the protective door 1, specifically, one locking block 22 is connected to one end of a connecting rod 21 in a threaded manner, one end of the connecting rod 21, which is not provided with the locking block 22, penetrates through the protective door 1 along the thickness direction of the protective door 1, and then the other locking block 22 is connected to the other end of the connecting rod 21 in a threaded manner, so that the two locking blocks 22 are respectively connected to the two ends of the connecting rod 21 in a threaded manner and are distributed on different sides of the protective door 1 to complete the assembly of the fixing devices 2 and the protective door 1; then, the guard door 1 after the completion of the equipment is installed with the wall of fixing device 2 and elevator well, specifically, lean on the outer wall department of locating elevator well with guard door 1 for guard door 1 can shelter from elevator well completely, and then the direction of two locking pieces 22 of adjustment fixing device 2 makes it lay the wall direction of keeping away from elevator well to form the centre gripping space to guard door 1 and elevator well's wall, then control locking piece 22 makes it take place relative rotation along connecting rod 21 screw thread in order to adjust the size in centre gripping space, when needs fix guard door 1 on elevator import's wall, rotate locking piece 22 along connecting rod 21 screw thread and make it move towards elevator well's wall direction in order to make the centre gripping space reduce, thereby two locking pieces 22 and elevator well's wall cooperation butt form firm centre gripping, when needs dismantle guard door 1, it makes it keep away from elevator well's wall direction removal in order to make the centre gripping space increase, thereby two locking pieces 22 keep away from elevator well's wall to lose the holding power, simultaneously two locking pieces 22 take place under self gravity rotation take place to loosen the device 2, thereby hang guard door 1 on the elevator well after the second time, use of the guard door 1.

As shown in fig. 2 and 3, a stop piece 23 is arranged at one end of the connecting rod 21 close to the inner side of the elevator shaft, the stop piece 23 is in threaded fit with the connecting rod 21, on one hand, the stop piece 23 can lock the locking piece 22 at the inner side of the elevator shaft and prevent the locking piece 22 from rotating on the connecting rod 21, the locking piece 22 at the inner wall of the elevator shaft is used as a fixed end to limit the inner wall of the elevator shaft, specifically, one locking piece 22 is in threaded connection with one end of the connecting rod 21, then the stop piece 23 is in threaded connection with the connecting rod 21 and is abutted against the locking piece 22 to be locked and fixed, further, one end of the connecting rod 21 far from the stop piece 23 is penetrated on the protective door 1, then the other locking piece 22 is mounted on the connecting rod 21 at the other side of the protective door 1 and the outer wall of the elevator shaft, the two locking pieces 22 and the wall of the elevator shaft are arranged oppositely by rotating the direction of the fixing device 2, and then the distance between the two locking pieces 22 can be adjusted only by rotating the locking pieces 22 far from the direction of the stop piece 23, so that the purpose of clamping the wall of the elevator shaft is achieved; on the other hand, the stop piece 23 is in threaded fit with the connecting rod 21 to adjust the stop piece 23 to a first preset position or a second preset position, the distance between the first preset position and the end, close to the elevator shaft, of the connecting rod 21 is larger than the distance between the second preset position and the end, close to the elevator shaft, of the connecting rod 21, and the width of a clamping space formed between the stop piece 23 and the locking blocks 22 can be adjusted according to the thickness of the wall behind the elevator shaft by enabling the locking blocks 22 at the positions, close to or far away from the elevator shaft, of the wall inside the elevator shaft, so that the elevator shaft is flexible to install. If the wall is thin, the stopper 23 is adjusted to the first preset position, so that the outer locking block 22 only needs to rotate for a small distance when the protective door 1 is locked by rotating the outer locking block 22 of the elevator shaft; if the wall is thicker, the stopper 23 is adjusted to the second preset position, so that the clamping space formed between the two locking blocks 22 is larger, thereby facilitating the clamping of the wall. Optionally, one end of the connecting rod 21, which is close to the outer side of the elevator shaft, is also provided with a stop piece 23, the stop piece 23 is in threaded fit with the connecting rod 21 and is used for abutting against the locking block 22 on the outer side of the elevator shaft, specifically, when the locking block 22 on the outer side of the elevator shaft rotates along the connecting rod 21 to the position of the outer wall of the elevator shaft wall to be matched with the other locking block 22 to clamp the wall of the elevator shaft, the stop piece 23 is rotated to move towards the direction of the outer wall of the elevator shaft until abutting against the locking block 22, so that the locking block 22 on the outer wall of the elevator shaft is locked, and rotation between the locking block 22 and the connecting rod 21 is prevented when the locking block 22 is in a clamping state, so that the clamping stability is improved.

As shown in fig. 2 and 3, at least one end of the connecting rod 21 is provided with a limiting member 24, preferably, both ends of the connecting rod 21 are connected with the limiting members 24 to limit the two locking blocks 22 respectively, so as to prevent the locking blocks 22 from being separated from the connecting rod 21 to cause part loss and prevent the locking blocks 22 from falling into the elevator shaft to cause potential safety hazard. The limiting piece 24 is detachably connected with the connecting rod 21, so that the limiting piece 24 is convenient to mount and dismount, and when the fixing device 2 is required to be dismounted from the protective door 1, the fixing device 2 can be dismounted from the protective door 1 only by screwing the limiting piece 24 and one of the locking blocks 22 in sequence to separate the locking block from the connecting rod 21. Optionally, the limiting member 24 is screwed with the connecting rod 21, and optionally, the limiting member 24 is a nut adapted to the connecting rod 21. Alternatively, the limiting member 24 may be welded to one end of the connecting rod 21 or integrally formed with the connecting rod 21.

As shown in fig. 2 and 3, the limiting member 24 is covered at the end of the connecting rod 21 or sleeved on the connecting rod 21, and the outer surface of the limiting member 24 away from the locking block 22 is spherical or arc-shaped to prevent the protrusions from scratching the outside, so as to play a certain role in protection. Optionally, the two ends of the connecting rod 21 are also provided with a sphere or arc shape to play a certain protective role.

As shown in fig. 1, the protective door 1 includes a door frame 11 and a door body 12, and in order to enhance the firmness of the protective door 1, the door frame 11 and/or the door body 12 may be made of steel, alternatively, the door frame 11 and the door body 12 may be connected by welding or by screws. Optionally, the door body 12 is a mesh, a grid or a plate body provided with mounting holes. Alternatively, the height of the door frame 11 is greater than or equal to 1.5m. The door body 12 is provided with a plurality of mounting holes along the height direction, the fixing device 2 is assembled with the protective door 1 by sliding the connecting rod 21 through the mounting holes, the door frame 11 is positioned in a clamping space formed by the two locking blocks 22, and the door frame 11 is firmly clamped on the wall of the elevator wellhead by controlling the relative rotation of the two locking blocks 22 on the connecting rod 21.

As shown in fig. 1, the door frame 11 comprises upright posts arranged at vertical intervals and cross beams arranged at two ends of the upright posts at horizontal intervals, and optionally, the cross beams and the upright posts adopt steel pipes; the cross beam is fixedly connected with the upright post, and optionally, the cross beam is welded with the upright post. Optionally, a mounting hole is formed on the upright, the fixing device 2 is slidably connected with the door frame 11 by penetrating the connecting rod 21 in the mounting hole, the upright is located in a clamping space formed by the two locking blocks 22, and the upright is firmly clamped on the wall of the elevator shaft mouth by controlling the relative rotation of the two locking blocks 22 on the connecting rod 21.

As shown in fig. 1, a warning board is arranged on the protective door 1, and warning words are marked on the warning board to play a role in reminding and warning, so that the normal use of an elevator shaft at an entrance and an exit can be ensured under the condition that the device is not disassembled; the protective door 1 is also provided with a reflecting plate or a reflecting coating, and the arrangement of the reflecting plate or the reflecting coating can provide warning in the environment with darker light, so that the use safety and flexibility of the device are improved. Alternatively, a safety color of yellow-black phase can be sprayed on the protective door 1 to play a role of warning.

As shown in fig. 4, the surfaces of the two locking blocks 22 which are oppositely arranged are provided with anti-skid lines or are adhered with rubber layers, and the anti-skid lines or the rubber layers can increase the friction force between the locking blocks 22 and the elevator shaft wall, so that the possibility of relative displacement between the two locking blocks 22 and the elevator shaft wall is reduced, and the safety performance is improved.

As shown in fig. 4, preferably, the locking blocks 22 are hardened cast iron pressing plates, and the strength of the cast iron pressing plates is high, so that the two locking blocks 22 can be used for clamping the wall of the elevator shaft more firmly, the locking blocks 22 are prevented from being damaged due to overlarge clamping force, and the stability is good. Meanwhile, the weight of the cast iron pressing plate is also larger, so that the through hole is formed in the locking block 22, the width of the end part of the locking block 22 facing away from the connecting rod 21 is gradually reduced, on one hand, the locking block 22 is in threaded connection with the connecting rod 21 and is easy to rotate under the action of gravity, and therefore, the weight of the locking block 22 can be reduced by adopting the through hole formed in the middle of the locking block 22 and/or reducing the width of the end part of the locking block 22, the locking block 22 can not automatically rotate while ensuring the strength, and meanwhile, the use of materials can be reduced by adopting the mode, so that the aim of saving resources is achieved; on the other hand, the through hole is formed in the middle of the locking block 22, so that the locking block is convenient to handle, the locking block 22 is convenient to assemble and disassemble, the width of one end of the locking block 22 is reduced, the locking block can also be different from the other end of the locking block 22, which is mounted on the connecting rod 21, the locking block is convenient to distinguish, and the speed of assembling the fixing device 2 is improved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A protective device for an elevator shaft is characterized in that,

The elevator door comprises a protective door (1) and fixing devices (2), wherein a plurality of fixing devices (2) are arranged on the side edges of the protective door (1) and used for detachably mounting the protective door (1) on a wall of an elevator shaft;

The fixing device (2) comprises a connecting rod (21) and two locking blocks (22) which are in threaded connection with the connecting rod (21), the connecting rod (21) penetrates through the protective door (1) along the thickness direction, and the two locking blocks (22) are respectively located on different sides of the protective door (1) to form a clamping space for clamping the protective door (1) and a wall body.

2. The hoistway protection device of claim 1, wherein,

One end of the connecting rod (21) close to the inner side of the elevator shaft is provided with a stop piece (23) which is used for being abutted against the corresponding locking block (22), the stop piece (23) is in threaded fit with the connecting rod (21) so as to adjust the stop piece (23) to a first preset position or a second preset position, and the distance between the first preset position and the position, close to the inner side end of the elevator shaft, of the connecting rod (21) is larger than the distance between the second preset position and the position, close to the inner side end of the elevator shaft, of the connecting rod (21).

3. The hoistway protection device of claim 1, wherein,

At least one end of the connecting rod (21) is detachably connected with a limiting piece (24), and the limiting piece (24) is used for preventing the locking block (22) from being separated from the connecting rod (21).

4. A hoistway protection device according to claim 3,

The outer surface of the limiting piece (24) far away from the locking block (22) is spherical or arc-shaped.

5. The hoistway protection device of claim 1, wherein,

The protection door (1) comprises a door frame (11) and a door body (12), a plurality of mounting holes are formed in the door body (12) along the height direction, the connecting rods (21) penetrate through the mounting holes, and the door frame (11) is located in a clamping space formed by two locking blocks (22).

6. The hoistway protection device of claim 5, wherein,

The door frame (11) comprises upright posts which are vertically arranged at intervals and cross beams which are horizontally arranged at the two ends of the upright posts at intervals, and the cross beams are fixedly connected with the upright posts;

The fixing device (2) is used for detachably clamping the upright post on the wall of the elevator shaft through the running fit of the two locking blocks (22) and the connecting rod (21).

7. The hoistway protection device of claim 5, wherein,

The protective door (1) is also provided with a reflecting plate or a warning sign.

8. The hoistway protection device of claim 1, wherein,

The surfaces of the two locking blocks (22) which are oppositely arranged are provided with anti-skid lines or are adhered with rubber layers.

9. The hoistway protection device of claim 1, wherein,

The locking block (22) is provided with a through hole for reducing the weight of the locking block (22).

10. The hoistway protection device of claim 1, wherein,

The width of the end of the locking block (22) gradually decreases in a direction away from the connecting rod (21).