CN219034397U - Anti-drop bolt device for safety protection door - Google Patents
Anti-drop bolt device for safety protection door Download PDFInfo
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- CN219034397U CN219034397U CN202223095084.0U CN202223095084U CN219034397U CN 219034397 U CN219034397 U CN 219034397U CN 202223095084 U CN202223095084 U CN 202223095084U CN 219034397 U CN219034397 U CN 219034397U
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- cross rod
- stop lever
- latch
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Abstract
The utility model provides an anti-drop bolt device for a safety protection door, which comprises: the bolt cross rod, the first fixing piece and the bolt locking piece are connected with a first bolt stop lever at the first end of the bolt cross rod; the latch locking piece is U-shaped; the first fixing piece is fixedly arranged on a first door body of the safety protection door; the bolt locking piece is fixedly arranged on the second door body of the safety protection door; the first end of the bolt cross rod and the first bolt stop lever are freely telescopic to the bolt locking piece; the second end of the bolt cross rod passes through the first fixing piece, a bolt handle and a second bolt stop lever are arranged at the middle position close to the bolt cross rod, and the bolt handle and the second bolt stop lever are arranged between the first fixing piece and the bolt locking piece. The bolt locking piece is U-shaped, so that the first end of the bolt cross rod and the first bolt stop lever can freely stretch out and draw back in the bolt locking piece. The problem of the dislocation appears about two door bodies of safety protection door, leads to the bolt horizontal pole to be difficult to insert in the bolt locking piece of another door body, causes the unable normal door of locking of protection door and receives vibrations door leaf to easily disconnect and produce the potential safety hazard is solved.
Description
Technical Field
The utility model relates to the technical field of floor protective doors, in particular to an anti-falling bolt device for a safety protective door.
Background
Currently, high-rise buildings are in mass appearance, and in the construction process of the high-rise buildings and some middle and low-rise buildings, a construction lifter is arranged for convenience in construction, and a door opening is arranged in the building. In the building construction process, the protection of various adjacent side door openings is the key point of site safety protection, and is a disaster area of potential safety hazard of falling at a high place. In order to ensure the life safety of operators and prevent falling safety accidents at high positions, safety protection doors are arranged at the positions of the adjacent sides of the floors and the adjacent sides of the door openings of the construction elevators according to the requirements of building related safety construction standards.
At present, the common safety protection door bolt pattern of a construction site is shown in fig. 1, and comprises round steel 101 welded into a T shape and matched with three hollow iron pipes 102 for use. When two door leaves are settled or are collided, the two door leaves are staggered up and down, so that the T-shaped round steel 101 is difficult to insert into a hollow iron pipe of the other door, the protective door cannot be locked, and potential safety hazards are brought. Above-mentioned safety protection door bolt pattern is after the grafting is accomplished, receives wind-force to lead to vibration because of the guard gate door leaf, or the vibration that causes in the construction elevator lift process, leads to T font round steel 101's one end to be separated from the hollow iron pipe on another door, and then leads to unable locking two doors for the safety protection door is opened, can' T play effectual guard action.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides an anti-falling bolt device for a safety protection door, which solves the problems that two doors cannot be normally locked due to vertical dislocation and potential safety hazards are generated due to easy detachment of a door leaf subjected to vibration.
The anti-drop bolt device for the safety protection door comprises: the bolt cross rod, the first fixing piece and the bolt locking piece are connected with a first bolt stop lever at the first end of the bolt cross rod; the latch locking piece is U-shaped;
the first fixing piece is fixedly arranged on a first door body of the safety protection door;
the bolt locking piece is fixedly arranged on the second door body of the safety protection door;
the first end of the bolt cross rod and the first bolt stop lever are freely telescopic to the bolt locking piece;
the second end of the bolt cross rod passes through the first fixing piece, a bolt handle and a second bolt stop lever are arranged at the middle position close to the bolt cross rod, and the bolt handle and the second bolt stop lever are arranged between the first fixing piece and the bolt locking piece.
Preferably, the latch handle and the second latch bar are each vertically connected to the latch cross bar.
Preferably, the first latch bar is connected to the latch cross bar in a non-parallel manner.
Preferably, the method further comprises: a second fixing member;
the second fixing piece is arranged on the first door body and is close to the second door body; the first end of the latch bar extends through the second securing member to the latch lock.
Preferably, the center of the first mount, the center of the second mount and the center of the latch lock are collinear.
Preferably, the first fixing piece and the second fixing piece are respectively made of steel pipes;
the first fixing piece and the second fixing piece are respectively fixed on the first door body in a welding mode.
Preferably, the latch lock is made of steel plate;
the latch lock is secured to the second door body by welding.
Preferably, the latch handle and the second latch bar are disposed on the same vertical plane, and the latch handle and the second latch bar are disposed vertically.
Preferably, the first bolt stop lever, the bolt handle, the second bolt stop lever and the bolt cross rod are respectively made of round steel.
Preferably, the first end of the bolt cross rod is fixedly connected with the first bolt stop lever in a welding mode, or the first end of the bolt cross rod is folded into 90 degrees to form the first bolt stop lever;
the bolt handle and the second bolt stop lever are respectively fixed on the bolt cross rod in a welding mode.
From the above technical scheme, the utility model has the following advantages:
in the anti-falling bolt device for the safety protection door, the bolt locking piece is U-shaped, so that the first end of the bolt cross rod and the first bolt stop lever can be conveniently and freely telescopic in the bolt locking piece.
The problem of the dislocation appears about two door bodies of safety protection door, leads to the bolt horizontal pole to be difficult to insert in the bolt locking piece of another door body, causes the unable normal door of locking of protection door and receives vibrations door leaf to easily disconnect and produce the potential safety hazard is solved.
The bolt handle, the second bolt stop lever and the bolt cross rod are welded into a mutually perpendicular mode according to the directions of an x axis, a y axis and a z axis in a three-dimensional coordinate system, and the first bolt stop lever is additionally arranged on the basis of the bolt cross rod, so that the bolt cross rod cannot be separated at will.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description 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.
FIG. 1 is a prior art schematic;
FIG. 2 is a schematic view of the safety door in a closed position;
FIG. 3 is a schematic view showing an opened state of the anti-falling latch device for the safety door;
fig. 4 is a schematic view of an embodiment of the anti-disengaging latch device for a security door.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
The utility model provides an anti-falling bolt device for a safety protection door, which can be used on a vertical hinged door or a sliding door as shown in figures 2 to 4. In particular, the anti-drop latch device can be used on a vertical hinged door of a construction lifter or a vertical hinged door or a sliding door of each floor in the construction process.
The anti-drop latch device includes: the bolt cross rod 1, the first fixing piece 2 and the bolt locking piece 3, wherein the first end of the bolt cross rod 1 is connected with a first bolt stop lever 4; the first fixing piece 2 is fixedly arranged on a first door body 5 of the safety protection door; the bolt lock piece 3 is fixedly arranged on a second door body 6 of the safety protection door; the safety protection door is provided with two door bodies, and the two door bodies can be flat-open or push-pull.
The first end of the bolt cross rod 1 and the first bolt stop lever 4 are freely telescopic to the bolt lock piece 3; the bolt locking piece 3 is made of steel plates, and the bolt locking piece 3 is U-shaped; the latch lock 3 is fixed to the second door body 6 by welding.
The bolt locking piece 3 and the second door body 6 are provided with a space, so that the first end of the bolt cross rod 1 and the first bolt stop rod 4 can freely stretch and retract. After the first bolt stop lever 4 passes through the bolt lock piece 3, the direction of adjusting the bolt lock piece 3 can play a role in fixing the bolt cross rod 1, so that the bolt cross rod 1 is prevented from exiting the distance between the bolt lock piece 3 and the second door body 6, and the closing and fixing effects on the safety protection door are played.
The second end of the bolt cross rod 1 passes through the first fixing piece 2, and the second end of the bolt cross rod 1 is a free telescopic end. The middle position close to the bolt cross rod 1 is provided with a bolt handle 7 and a second bolt stop lever 8, and the bolt handle 7 and the second bolt stop lever 8 are arranged between the first fixing piece 2 and the bolt locking piece 3.
In order to play a role in stabilizing the installation of the latch bar 1 and to ensure that the latch bar 1 cannot be disengaged at will, the device further comprises: a second fixing member 9; the second fixing piece 9 is mounted on the first door body 5 and is arranged close to the second door body 6; the first end of the bolt rail 1 extends through the second fixing 9 to the bolt lock 3.
Wherein the center of the first securing member 2, the center of the second securing member 9 and the center of the latch lock 3 are collinear. The first bolt stop lever 4, the bolt handle 7, the second bolt stop lever 8 and the bolt cross rod 1 are respectively made of round steel. The first fixing piece 2 and the second fixing piece 9 are respectively made of steel pipes; the first fixing member 2 and the second fixing member 9 are fixed to the first door body 5 by welding, respectively. The diameter of the bolt cross rod 1 is respectively smaller than the diameter of the first fixing piece 2 and the diameter of the second fixing piece 9, so that the bolt cross rod 1 can freely move.
For the latch handle 7 and the second latch bar 8 of the present utility model, the latch handle 7 and the second latch bar 8 are vertically connected to the latch rail 1, respectively. The latch handle 7 and the second latch bar 8 are arranged on the same vertical plane, and the latch handle 7 and the second latch bar 8 are vertically arranged. The latch handle 7 and the second latch bar 8 are fixed to the latch cross bar 1 by welding, respectively.
The first bolt stop lever 4 is connected with the bolt cross rod 1 in a non-parallel way. Illustratively, the first end of the latch cross rod 1 is fixedly connected with the first latch stop lever 4 in a welding manner, or the first end of the latch cross rod 1 is folded to 90 degrees to form the first latch stop lever 4;
in an exemplary embodiment, in the anti-falling bolt device for a safety protection door provided by the utility model, the bolt handle 7, the second bolt stop lever 8 and the bolt cross rod 1 are made of round steel with the diameter of 10mm, the first fixing piece 2 and the second fixing piece 9 are respectively made of hollow iron pipes with the diameter of 15mm, and the bolt lock piece 3 is made of U-shaped iron plates with the thickness of 2 mm.
The bolt handle 7, the second bolt stop lever 8 and the bolt cross rod 1 are welded into a mutually perpendicular mode according to the directions of an x axis, a y axis and a z axis in a three-dimensional coordinate system, and the first bolt stop lever 4 is additionally arranged on the basis of the bolt cross rod 1, so that the bolt cross rod 1 cannot be separated at will.
The specific operation mode is as follows:
1. as shown in fig. 2, when the safety shield latch is in the closed state: latch handle 73 is perpendicular to the ground and rests parallel against first door body 5. The bolt cross rod 1 and the first bolt stop lever 4 are perpendicular to the first door body 5, and the first bolt stop lever 4 is perpendicular to the bolt lock piece 3 and exceeds the bolt lock piece 3, so that the bolt can be prevented from being separated.
2. As shown in fig. 3, when the safety shield latch is in the open state: the latch handle 73 is perpendicular to the first door body 5, the latch cross bar 1 and the first latch stop lever 4 lean against the first door body 5 in parallel, and at this time, the first latch stop lever 4 can be smoothly separated from the latch cross bar 1, so as to open the door leaf.
The utility model provides an anti-drop bolt device for a safety protection door, which is characterized in that when one element or layer is called as being "on" another element or layer and is "connected" or "coupled" to the other element or layer, the anti-drop bolt device may be directly on the other element or layer, be directly connected or coupled to the other element or layer, and may also have intermediate elements or layers. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The anti-disengagement latch apparatus for a security door provided by the present utility model may use spatially relative terms such as "under" …, "below," "lower," "above," etc. to describe one element or feature as illustrated in the figures as relative to another element or feature. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" or "beneath" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "below" may include both an orientation above and below. Other orientations of the device (90 degrees or other orientations) are possible, and spatially relative descriptors used herein interpreted accordingly.
The terms first, second, third, fourth and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An anti-disengaging latch device for a security door, comprising: the bolt cross rod, the first fixing piece and the bolt locking piece are connected with a first bolt stop lever at the first end of the bolt cross rod; the latch locking piece is U-shaped;
the first fixing piece is fixedly arranged on a first door body of the safety protection door;
the bolt locking piece is fixedly arranged on the second door body of the safety protection door;
the first end of the bolt cross rod and the first bolt stop lever are freely telescopic to the bolt locking piece;
the second end of the bolt cross rod passes through the first fixing piece, a bolt handle and a second bolt stop lever are arranged at the middle position close to the bolt cross rod, and the bolt handle and the second bolt stop lever are arranged between the first fixing piece and the bolt locking piece.
2. The anti-drop latch device for a security door as claimed in claim 1, wherein,
the latch handle and the second latch bar are respectively and vertically connected to the latch cross bar.
3. The anti-drop latch device for a security door as claimed in claim 1, wherein,
the first bolt stop lever is connected with the bolt cross rod in a non-parallel way.
4. The anti-drop latch device for a security door as claimed in claim 1, wherein,
further comprises: a second fixing member;
the second fixing piece is arranged on the first door body and is close to the second door body; the first end of the latch bar extends through the second securing member to the latch lock.
5. The anti-drop latch device for a security door as claimed in claim 4, wherein,
the center of the first mount, the center of the second mount, and the center of the latch lock are collinear.
6. The anti-drop latch device for a security door as claimed in claim 4, wherein,
the first fixing piece and the second fixing piece are respectively made of steel pipes;
the first fixing piece and the second fixing piece are respectively fixed on the first door body in a welding mode.
7. The anti-drop latch device for a security door as claimed in claim 1, wherein,
the bolt locking piece is made of steel plates;
the latch lock is secured to the second door body by welding.
8. The anti-drop latch device for a security door as claimed in claim 1, wherein,
the bolt handle and the second bolt stop lever are arranged on the same vertical surface, and the bolt handle and the second bolt stop lever are vertically arranged.
9. The anti-drop latch device for a security door as claimed in claim 1, wherein,
the first bolt stop lever, the bolt handle, the second bolt stop lever and the bolt cross rod are respectively made of round steel.
10. The anti-drop latch device for a security door as claimed in claim 1, wherein,
the first end of the bolt cross rod is fixedly connected with the first bolt stop lever in a welding mode, or the first end of the bolt cross rod is folded into 90 degrees to form the first bolt stop lever;
the bolt handle and the second bolt stop lever are respectively fixed on the bolt cross rod in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223095084.0U CN219034397U (en) | 2022-11-21 | 2022-11-21 | Anti-drop bolt device for safety protection door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223095084.0U CN219034397U (en) | 2022-11-21 | 2022-11-21 | Anti-drop bolt device for safety protection door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219034397U true CN219034397U (en) | 2023-05-16 |
Family
ID=86284738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223095084.0U Active CN219034397U (en) | 2022-11-21 | 2022-11-21 | Anti-drop bolt device for safety protection door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219034397U (en) |
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2022
- 2022-11-21 CN CN202223095084.0U patent/CN219034397U/en active Active
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