CN219773995U - Temporary protective door for elevator shaft opening - Google Patents
Temporary protective door for elevator shaft opening Download PDFInfo
- Publication number
- CN219773995U CN219773995U CN202320358662.0U CN202320358662U CN219773995U CN 219773995 U CN219773995 U CN 219773995U CN 202320358662 U CN202320358662 U CN 202320358662U CN 219773995 U CN219773995 U CN 219773995U
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- Prior art keywords
- pull
- rod
- movable seat
- pull rod
- adjusting nut
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- 230000001681 protective effect Effects 0.000 title claims abstract description 19
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Abstract
The utility model relates to a temporary protection door for an elevator shaft opening in the field of building construction safety protection, which comprises a door frame and a protection net arranged on the frame surface of the door frame, wherein an installation area in the width direction is separated from the door frame near the top and near the bottom through a cross beam, and a back-pull mechanism is arranged in the installation area; the back-pull mechanism comprises a bearing seat, a bidirectional screw rod, a movable seat, a pull rod and an adjusting nut; the bidirectional screw rod is transversely installed in the installation area through a plurality of bearing seats, two symmetrical threads of the movable seats are installed at two ends of the bidirectional screw rod, the movable seats are in sliding connection with the cross beam, the pull rod is circumferentially limited and slidably installed on the movable seats, one end of the pull rod, which is provided with a pull plate, faces the wall side of the hole, the adjusting nut is movably riveted to the movable seats, and the adjusting nut is in threaded connection with the rod part of the pull rod. The protective door adopts a back-pull type installation mode, is convenient and quick to install, and cannot damage a wall body.
Description
Technical Field
The utility model relates to the field of building construction safety protection, in particular to a temporary protection door for an elevator shaft opening.
Background
The elevator shaft protective door is installed at the opening of the elevator shaft door after the main structure concrete pouring is completed and the template is removed, so that an elevator shaft channel forms a closed space to serve as a temporary protective device, and the elevator shaft protective door is removed after the indoor elevator is installed.
At present, the traditional elevator shaft protective door is usually manufactured according to the 'construction site safety management standardization atlas (2009) edition', and adoptsThe steel bars are welded, the height is not less than 1500mm, the distance is not more than 150mm, and the steel bars are welded by adopting +.>The expansion bolts are fixed with the elevator shaft wall body. The mounting mode of the elevator shaft protective door has the problems of inconvenient mounting and dismounting, expansion bolts are adopted in the fixing process of the protective door, certain potential safety hazards exist in the dismounting process when electricity is used and a small-sized operation tool is used, meanwhile, the expansion bolts are embedded into the wall body, the main structure is destructive, and the dismounted holes bring difficulty to the decoration engineering.
Therefore, it is necessary to develop a temporary protection door for an elevator shaft opening, which is convenient to adjust and does not damage a wall body for installation, so as to solve the defects of the existing installation mode.
Disclosure of Invention
The utility model aims to solve the technical problems existing in the prior art. To this end, the utility model provides a temporary protective door for an elevator hoistway entrance.
The technical scheme adopted for solving the technical problems is as follows:
the temporary protective door for the elevator shaft opening comprises a door frame and a protective net arranged on the frame surface of the door frame, wherein an installation area in the width direction is separated from the door frame near the top and near the bottom through a cross beam, and a back pulling mechanism is arranged in the installation area; the back-pull mechanism comprises a bearing seat, a bidirectional screw rod, a movable seat, a pull rod and an adjusting nut; the bidirectional screw rod is transversely installed in the installation area through a plurality of bearing seats, two symmetrical threads of the movable seat are installed at two ends of the bidirectional screw rod, the movable seat is in sliding connection with the cross beam, the pull rod is circumferentially limited and slidably installed on the movable seat, one end of the pull rod, which is provided with a pull plate, faces the wall side of the hole, the adjusting nut is movably riveted to the movable seat, and the adjusting nut is in threaded connection with the rod part of the pull rod.
In a preferred embodiment of the present utility model, a plurality of stress application rods for rotating the screw rod are arranged in the middle of the bidirectional screw rod, and the stress application rods are uniformly distributed along the circumferential direction of the bidirectional screw rod.
In a preferred embodiment of the present utility model, a groove matched with the cross beam is formed at the top of the movable seat.
In a preferred embodiment of the present utility model, a limiting groove is disposed at a rod portion of the pull rod, a through hole is disposed on the movable seat, and a limiting block is disposed on the through hole opposite to the limiting groove.
In a preferred embodiment of the utility model, the adjustment nut is a star handle nut.
In a preferred embodiment of the utility model, the width of the protective door is greater than the width of the hoistway entrance.
In a preferred embodiment of the present utility model, a baffle is disposed on a bottom protection net surface of the protection door, and a reflective strip with a warning effect is disposed on a surface of the baffle.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the back-pull mechanisms are arranged at the top and bottom of the protective door, the pull rod on the movable seat is close to or far away from the wall body of the hole by the bidirectional screw rod, and the pull rod can be used for tensioning the wall body by the adjusting nut.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
fig. 1 is a schematic structural view of a temporary protective door for an elevator hoistway entrance provided by the utility model;
FIG. 2 is a side view of the mount of the movable seat provided in FIG. 1;
fig. 3 is a top view of the tie rod provided in fig. 2.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
This embodiment provides a temporary protection door for elevator shaft opening, including door frame 1 and locate the protection network 2 of door frame face, usually the width of protection door is greater than the width of elevator shaft opening, makes the protection door can shelter from the elevator shaft opening completely. As shown in fig. 1, in this embodiment, the door frame 1 is separated by a beam 3 near the top and near the bottom by a mounting area 100 along the width direction, and in this embodiment, the door frame 1 and the beam 3 are preferably welded together by square steel, and a back-pull mechanism is mounted in the mounting area 100.
As shown in fig. 1 to 3, the back-pull mechanism in the present embodiment includes a bearing seat 4, a bidirectional screw rod 5, a movable seat 6, a pull rod 7 and an adjusting nut 8; the concrete structure is as follows: as shown in fig. 1, the bidirectional screw rod 5 is transversely mounted in the mounting area 100 through a plurality of bearing seats 4, so that the bidirectional screw rod can rotate in the mounting area, two movable seats 6 are symmetrically and spirally mounted at two ends of the bidirectional screw rod 5, the movable seats 6 are slidably connected with the cross beam 3, and the movable seats can synchronously move left and right under the limit of the cross beam through the bidirectional screw rod; preferably, as shown in fig. 2, a groove 6.0 matched with the cross beam 3 is formed at the top of the movable seat 6 in the embodiment, and the cross beam is positioned in the groove to limit the circumferential direction of the movable seat, so that the movable seat can only move along the length direction under the action of the bidirectional screw rod; as shown in fig. 2, the pull rod 7 is slidably mounted on the movable seat 6 in a circumferential limiting manner, and one end of the pull rod 7 having the pull plate 7.1 faces the wall side of the hole, and the connection mode between the pull rod and the movable seat in this embodiment is preferably as follows: a limiting groove 7.0 is formed in the rod part of the pull rod 7, a through hole is formed in the movable seat 6, a limiting block 6.1 is arranged in the through hole relative to the limiting groove 7.0, and the pull rod can only move along the axial direction under the action of the limiting groove and the limiting block; the adjusting nut 8 is movably riveted to the movable seat 6, and the adjusting nut 8 is in threaded connection with the rod portion of the pull rod 7, and the length of the pull rod can be adjusted through the adjusting nut.
Preferably, in this embodiment, a plurality of stress application rods 5.2 for rotating the screw rod are disposed in the middle of the bidirectional screw rod 5, and the stress application rods 5.2 are uniformly distributed along the circumferential direction of the bidirectional screw rod 5, and the arrangement of the stress application rods 5.2 is convenient for manually rotating the bidirectional screw rod 5.
Preferably, the adjusting nut 8 in this embodiment is a star-shaped handle nut, so that the pull rod can be adjusted manually, and the operation of turning a wrench is not needed.
When the device is in specific implementation, under a normal state, the movable seats are close to the middle part of the two-way screw rod, the distance between the pull plate of the pull rod and the protective door is larger than the width of the wall body of the opening of the elevator shaft, the protective door is moved to the opening of the elevator shaft and the opening is covered, the two-way screw rods are sequentially controlled to move in the direction of the wall body, and after the two movable seats move to the position where the pull rod is in quick contact with the wall body, the adjusting nuts are sequentially adjusted, so that the pull rod moves in the direction of the wall body until the protective door is tensioned. And when the device is disassembled, the device is reversely disassembled.
Further, as shown in fig. 1, a baffle plate 9 is disposed on the bottom protection net surface of the protection door in this embodiment, and a reflective strip 9.0 with a warning effect is disposed on the surface of the baffle plate 9.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.
Claims (7)
1. The utility model provides a temporary protection door for an elevator shaft entrance to a cave, includes the door frame and locates the protection network of door frame face, its characterized in that: the door frame is separated into a mounting area along the width direction by a cross beam near the top and a mounting area near the bottom, and a back-pulling mechanism is arranged in the mounting area;
the back-pull mechanism comprises a bearing seat, a bidirectional screw rod, a movable seat, a pull rod and an adjusting nut; the bidirectional screw rod is transversely installed in the installation area through a plurality of bearing seats, two symmetrical threads of the movable seat are installed at two ends of the bidirectional screw rod, the movable seat is in sliding connection with the cross beam, the pull rod is circumferentially limited and slidably installed on the movable seat, one end of the pull rod, which is provided with a pull plate, faces the wall side of the hole, the adjusting nut is movably riveted to the movable seat, and the adjusting nut is in threaded connection with the rod part of the pull rod.
2. The temporary hoistway entrance guard door according to claim 1, wherein: the middle part of two-way lead screw is equipped with the many afterburning poles that are used for rotating the lead screw, many afterburning poles are along the circumference equipartition of two-way lead screw.
3. The temporary hoistway entrance guard door according to claim 1, wherein: the top of the movable seat is provided with a groove matched with the cross beam.
4. The temporary hoistway entrance guard door according to claim 1, wherein: the rod part of the pull rod is provided with a limit groove, the movable seat is provided with a through hole, and the through hole is provided with a limit block relative to the limit groove.
5. The temporary hoistway entrance guard door according to claim 1, wherein: the adjusting nut adopts a star-shaped handle nut.
6. The hoistway entrance temporary guard door according to any of claims 1 to 5, wherein: the width of the protective door is larger than the width of the elevator shaft opening.
7. The temporary hoistway entrance guard door of claim 6, wherein: the bottom protection network face of guard gate is equipped with the baffle, the surface of baffle is equipped with the reflection of light strip that has the warning effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320358662.0U CN219773995U (en) | 2023-02-27 | 2023-02-27 | Temporary protective door for elevator shaft opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320358662.0U CN219773995U (en) | 2023-02-27 | 2023-02-27 | Temporary protective door for elevator shaft opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219773995U true CN219773995U (en) | 2023-09-29 |
Family
ID=88108793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320358662.0U Active CN219773995U (en) | 2023-02-27 | 2023-02-27 | Temporary protective door for elevator shaft opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219773995U (en) |
-
2023
- 2023-02-27 CN CN202320358662.0U patent/CN219773995U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |