CN115095239A - Safety device for door body - Google Patents

Abstract

The invention relates to a safety device for a door body, which comprises a wire storage box arranged inside or on the outer surface of a door frame, a rope clamp arranged inside or on the outer surface of the door body and a rope body, wherein the wire storage box is cylindrical in shape, the rope body is spirally wound inside the wire storage box, the tail end of the rope body is fixed on the rope clamp, and the rope body can be stretched or automatically retracted into the wire storage box along with the opening or closing of the door body. The technical scheme provided by the invention has the characteristics of simple structure, lower cost, safety and reliability.

Description

Safety device for door body

Technical Field

The invention belongs to the technical field of door hardware, and particularly relates to a safety device for a door body.

Background

The door body is generally matched and connected by inserting shafts (generally, a sky shaft, a sky hinge, a door clamp, a floor spring, a floor shaft and the like) pre-installed on the top and the ground of a door frame into shaft holes pre-embedded in holes formed in two side edges of the top edge and the bottom edge of the door body during installation, so that the door body takes the door shaft formed by the upper shaft and the lower shaft as a rotating shaft and is opened and closed relative to the door frame.

However, when the installation of the vertical hinged door is not standard, the gap between the top edge of the door body and the door frame is too large, and the door body is induced to fall down when external adverse factors such as ground settlement and violent operation are encountered in the long-time use process, and the door shaft is in danger of being separated from the shaft hole, so that the door body is wholly toppled to cause injury accidents.

Disclosure of Invention

In order to solve all or part of the problems, the invention aims to provide a safety device for a door body, which is used for solving the problem of potential safety hazard caused by the fact that the door body can topple.

The safety device for the door body comprises a wire storage box arranged inside or on the outer surface of a door frame, a rope clamp arranged inside or on the outer surface of the door body and a rope body, wherein the wire storage box is cylindrical in shape, the rope body is wound inside the wire storage box in a spiral mode, the tail end of the rope body is fixed on the rope clamp, and the rope body can be stretched or automatically retracted into the wire storage box along with the opening or closing of the door body.

Further, the wire storage box comprises a box body and a box cover connected with the box body, a clockwork spring and a rotary disc are arranged inside the box body, the clockwork spring is respectively connected with the box body and the rotary disc, and the rope body is wound on the rotary disc.

Further, the central point of box body puts and is provided with the step shaft, along the axial of step shaft is provided with the open slot, the step shaft is kept away from be provided with axial first screw hole on the terminal surface of the one end of box body.

Furthermore, a threading hole is formed in the side wall of the box body, and the tail end of the rope body is led out from the threading hole.

Further, the clockwork spring is the plane heliciform, the tail end of clockwork spring is provided with interior colluding, interior colluding the joint and being in the inside of open slot, clockwork spring's initiating terminal is provided with a joint section of thick bamboo, a joint section of thick bamboo with the carousel is connected.

Furthermore, a circular truncated cone is arranged on the outer end face of the rotary disc, the rope body is wound on the circumferential face of the circular truncated cone, a cylindrical pin is arranged on the inner end face of the rotary disc and is clamped with the clamping cylinder, a center hole is formed in the center of the rotary disc, and the center hole is connected with the stepped shaft in a rotating mode.

Furthermore, a steel sleeve is arranged at the starting end of the rope body and fixed on the circular truncated cone.

Further, the rope body is a steel wire rope.

Furthermore, a through hole is formed in the center of the box cover, the box cover is connected with the box body through a screw, and the screw penetrates through the through hole to be connected with the first threaded hole, so that the box cover is connected with the box body.

Further, the rope clamp comprises a clamping seat, a radial clamping hole is formed in the side wall of the clamping seat, an axial second threaded hole is formed in the end face of the clamping seat, the tail end of the rope body penetrates through the clamping hole, and the rope body is fixed on the rope clamp through the second threaded hole by screwing a bolt into the second threaded hole;

the rope clamp further comprises a mounting seat arranged on the end face of the clamping seat, a plurality of mounting holes are formed in the mounting seat, and the rope clamp is mounted on the door body through the mounting holes.

The technical scheme provided by the invention has the following advantages:

(1) at the inside of door frame or the surface mounting line storage box of door frame, at the inside of the door body or the surface mounting rope clip of the door body, line body coupling line storage box and rope clip, when the door-hinge breaks down, the rope body can be with the pulling firmly of the door body for people around have the time of reaction, leave the accident scene, also can make the staff strive for the time for handling the incident simultaneously, thereby avoided hindering people's accident and loss of property.

(2) The rope body can be stretched along with the opening of the door body, also can be taken back to the line storage box along with the closing of the door body automatically, and unnecessary rope body can be hidden and accomodate in the line storage box, has saved the space in the use to have the aesthetic property.

(3) The device has the characteristics of simple structure, lower cost, safety, reliability and convenience in installation.

Drawings

FIG. 1 is a schematic structural diagram of a security device according to an embodiment of the present invention;

FIG. 2 is an exploded view of the safety device of the present invention;

FIG. 3 is an exploded view of the safety device according to the embodiment of the present invention;

fig. 4 is a schematic diagram of a safety device according to an embodiment of the present invention.

Description of reference numerals: 1. a wire storage box; 11. a case body; 111. a stepped shaft; 112. an open slot; 113. a threading hole; 114. a first threaded hole; 12. a clockwork spring; 121. an inner hook; 122; a clamping cylinder; 13. a turntable; 131. a cylindrical pin; 132. a central bore; 133. a circular truncated cone; 14. a box cover; 141. a through hole; 15. a screw; 2. rope clips; 21. a clamping hole; 22. a bolt; 23. a second threaded hole; 24. mounting holes; 25. a clamping seat; 26. a mounting seat; 3. a rope body; 31. steel jacket; 10. a door body; 20. a door frame.

Detailed Description

For better understanding of the objects, structure and function of the present invention, a safety device for a door body according to the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, which illustrates a safety device for a door body 10 according to an embodiment of the present invention, the safety device includes a line storage case 1 installed inside or outside a door frame 20, a rope clamp 2 installed inside or outside the door body 10, and a rope body 3, wherein the line storage case 1 is in the shape of a cylinder, the rope body 3 is coiled inside the line storage case 1, the tail end of the rope body 3 is fixed to the rope clamp 2, and the rope body 3 is stretched or automatically retracted into the line storage case 1 as the door body 10 is opened or closed.

Further, the wire storage box 1 is arranged inside or on the outer surface of the door frame 20, the rope clamp 2 is arranged inside or on the outer surface of the door body 10, the rope body 3 is connected with the wire storage box 1 and the rope clamp 2, when a door shaft breaks down, the rope body 3 can firmly pull the door body 10, so that surrounding people have reaction time and leave an accident site, meanwhile, workers can strive for time for handling safety accidents, and accordingly injury accidents and property loss are avoided.

The rope body 3 can be stretched along with the opening of the door body 10, and can also be automatically retracted into the wire storage box 1 along with the closing of the door body 10, and the redundant rope body 3 can be hidden and stored in the wire storage box 1, so that the space is saved in the using process, and the rope body has attractive appearance.

The device has the characteristics of simple structure, lower cost, safety, reliability and convenience in installation.

Further, when the wire storage box 1 and the rope clip 2 are installed, a hidden installation mode can be selected, the wire storage box 1 and the rope clip 2 are respectively embedded into the door frame 20 and the door body 10 through grooving or punching and are completely or partially hidden, the wire storage box 1 can also be installed on the outer surface of the door frame 20, the rope clip 2 is installed on the outer surface of the door body 10, and a user can select a proper installation mode according to actual conditions.

In this embodiment, the wire storage box 1 includes a box body 11 and a box cover 14 connected to the box body 11, a spiral spring 12 and a rotary disk 13 are disposed inside the box body 11, the spiral spring 12 is connected to the box body 11 and the rotary disk 13, and the rope body 3 is wound around the rotary disk 13.

To explain further, the wire storage box 1 is a cylinder, the rotary disk 13 is circular, wherein the rotary disk 13 is arranged in the box body 11, and the same circular shape is convenient for the rotary disk 13 to rotate in the box body 11.

Further, the spiral spring 12 is connected to the case 11 and the rotary plate 13, the rotary plate 13 is rotatably connected to the case 11, when the rotary plate 13 is acted by an external force to rotate around the central axis of the case 11, the spiral spring 12 rotates along with the rotary plate 13, the spiral spring 12 generates a reverse torsional force, and when the rotary plate 13 loses the external force, the spiral spring 12 rotates in a reverse direction under the action of the torsional force, so as to drive the rotary plate 13 to rotate.

In this embodiment, a stepped shaft 111 is disposed at a central position of the box body 11, an open slot 112 is disposed along an axial direction of the stepped shaft 111, and an axial first threaded hole 114 is disposed on an end surface of one end of the stepped shaft 111, which is far away from the box body 11.

Further, the stepped shaft 111 includes a first stepped shaft and a second stepped shaft, the second stepped shaft is close to the inner wall of the box body 11, and the diameter of the first stepped shaft is smaller than that of the second stepped shaft, so that the clockwork spring 12 and the rotary disc 13 can be conveniently installed.

In this embodiment, the sidewall of the box 11 is provided with a threading hole 113, and the tail end of the rope 3 is led out from the threading hole 113.

To explain further, the rope 3 is wound and fixed on the rotary disc 13, and the tail end of the rope 3 needs to be fixed on the rope clamp 2, so that the outer wall of the box body 11 is provided with the threading hole 113, which is convenient for the tail end of the rope 3 to pass through the box body 11 and be led to the rope clamp 2, and be fixed on the rope clamp 2.

As shown in fig. 2 and fig. 3, in the present embodiment, the spiral spring 12 is in a planar spiral shape, the tail end of the spiral spring 12 is provided with an inner hook 121, the inner hook 121 is clamped inside the open slot 112, the start end of the spiral spring 12 is provided with a clamping cylinder 122, and the clamping cylinder 122 is connected to the rotary disc 13.

Further, the tail end of the clockwork spring 12 is provided with an inner hook 121, the inner hook 121 is perpendicular to the axis, so that the inner hook 121 is conveniently clamped inside the opening groove 112, the first step shaft and the second step shaft are both provided with the opening grooves 112, and the inner hook 121 is clamped on the opening groove 112 of the second step shaft through the opening groove 112 on the first step shaft and is close to the inner wall of the box body 11.

Further, a clamping cylinder 122 is arranged at the starting end of the clockwork spring 12, the clamping cylinder 122 is clamped with a cylindrical pin 131 on the rotary disc 13, when the rotary disc 13 rotates, the clockwork spring 12 rotates along with the rotary disc 13, so that the clockwork spring 12 can generate reverse torsional force, and when the rotary disc 13 loses the external force, the clockwork spring 12 rotates reversely under the action of the torsional force, so as to drive the rotary disc 13 to rotate.

In this embodiment, a circular truncated cone 133 is disposed on an outer end surface of the rotary disc 13, the rope body 3 is wound around a circumferential surface of the circular truncated cone 133, a cylindrical pin 131 is disposed on an inner end surface of the rotary disc 13, the cylindrical pin 131 is clamped with the clamping cylinder 122, a central hole 132 is disposed at a central position of the rotary disc 13, and the central hole 132 is rotatably connected with the stepped shaft 111.

To explain further, the center of the rotary plate 13 is provided with a center hole 132, the center hole 132 is rotatably connected with the first step shaft, wherein the diameter of the center hole 132 is smaller than the diameter of the second step shaft, the clockwork spring 12 is clamped with the opening groove 112 of the second step shaft, the clockwork spring 12 and the rotary plate 13 are sequentially connected with the box body 11, and the clockwork spring 12 and the rotary plate 13 are rotatably connected through the clamping cylinder 122 and the cylindrical pin 131.

Further, a circular truncated cone 133 is arranged on the outer end surface of the rotary table 13, wherein the circular truncated cone 133 is arranged at the central position, and the central hole 132 penetrates through the circular truncated cone 133 and the rotary table 13; the round platform 133 and the rotary disk 13 can be installed through bolts, the rope body 3 is wound on the circumferential surface of the round platform 133, the tail end of the rope body 3 can be led out of the box body 11 through the threading holes 113, when the rope body 3 is pulled through the action of external force, the rotary disk 13 can rotate along with the rope body, the clockwork spring 12 can rotate along with the rotary disk 13, when the external force pulling the rope body 3 is loosened, the rotary disk 13 loses the action of the external force, the clockwork spring 12 rotates reversely under the action of torsional force, so that the rotary disk 13 is driven to rotate, and the stretched rope body 3 can be automatically retracted to the circumferential surface of the round platform 133.

In this embodiment, a steel sleeve 31 is provided at the starting end of the rope body 3, and the steel sleeve 31 is fixed to the circular truncated cone 133.

To explain further, the steel sleeve 31 is fixed on the circular truncated cone 133, wherein the steel sleeve 31 fixes the starting end of the rope body 3 on the circular truncated cone 133, so that the starting end of the rope body 3 can be fixed inside the wire storage box 1, thereby ensuring that the rope body 3 cannot be pulled out from the inside of the wire storage box 1.

In this embodiment, the rope body 3 is a steel wire rope.

Further, the steel wire rope has high tensile strength and can bear various loads and variable loads, and when the door body 10 is separated from the door shaft, the steel wire rope can pull the door body 10, so that the door body 10 cannot be broken to cause accidents.

In this embodiment, a through hole 141 is formed in the center of the cover 14, the cover 14 is connected to the case 11 by a screw 15, and the screw 15 passes through the through hole 141 and is connected to the first threaded hole 114, so as to connect the cover 14 to the case 11.

To explain further, a stepped groove is formed on the sidewall of the inner side of the box body 11, the box cover 14 is mounted on the stepped groove, and the box cover 14 and the box body 11 are fixed together by a countersunk screw passing through the through hole 141 and the first screw hole 114.

In this embodiment, the rope clamp 2 includes a clamping seat 25, a radial clamping hole 21 is formed in a side wall of the clamping seat 25, an axial second threaded hole 23 is formed in an end surface of the clamping seat 25, the tail end of the rope body 3 passes through the clamping hole 21, and the rope body 3 is fixed on the rope clamp 2 by screwing a bolt 22 into the second threaded hole 23;

the rope clamp 2 further comprises a mounting seat 26 arranged on the end face of the clamping seat 25, a plurality of mounting holes 24 are formed in the mounting seat 26, and the rope clamp 2 is mounted on the door body 10 through the mounting holes 24.

Further, the clamp holder 25 is disposed inside the door 10, the mounting holder 26 is disposed outside the door 10, and the mounting holder is fixed to the door 10 with screws to complete the mounting.

As shown in fig. 4, further explaining, in the safety device according to the embodiment of the present invention, the door body 10 is pulled on the door frame 20 by the rope body 3, when the installation is not standardized, a gap between the top edge of the door body 10 and the door frame 20 is too large, and the door body 10 may be caused to fall down by external adverse factors such as ground settlement, violent operation, and the like during long-time use, and when the door spindle is disengaged from the spindle hole, the door body 10 can still be firmly pulled by the rope body 3, and the whole body does not fall down all the time, so as to avoid the occurrence of accidents of injury; in the using process, no matter the door body 10 is closed or opened, the redundant rope bodies 3 can be hidden and stored in real time, namely, the exposed rope bodies 3 can be kept at the shortest length no matter the door body 10 is at any opening angle.

Preferably, the horizontal installation positions of the thread storage box 1 and the rope clamp 2 are close to the door shaft, so that the required length of the rope body 3 can be shortened to the maximum extent, the external dimension of the thread storage box 1 is reduced, and the thread storage box is smaller and easier to install; the vertical installation positions of the wire storage box 1 and the rope clamp 2 are respectively close to the lower edge of the door frame 20 and the upper edge of the door body 10 as much as possible, so that the rope body 3 is prevented from interfering with the upper edge of the door body 10 or the lower edge of the door frame 20 to cause abrasion when the door body 10 is opened, the rope body 3 can be further prevented from being damaged, and the door body 10 can be firmly pulled when an accident occurs.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The utility model provides a safety device for door body, its characterized in that, is including installing the line storage box at the inside of door frame or surface, installing rope clip and the rope body at the inside of the door body or surface, the shape of line storage box is the cylinder, the rope body spirals and is in the inside of line storage box, the tail end of the rope body is fixed on the rope clip, the rope can be along with the opening or closing of the door body is tensile or automatic withdraw extremely in the line storage box.

2. The safety device according to claim 1, wherein the wire storage box comprises a box body and a box cover connected with the box body, a clockwork spring and a rotary plate are arranged inside the box body, the clockwork spring is respectively connected with the box body and the rotary plate, and the rope body is wound on the rotary plate.

3. The safety device according to claim 2, characterized in that a stepped shaft is arranged at the central position of the box body, an open slot is arranged along the axial direction of the stepped shaft, and an axial first threaded hole is arranged on the end face of one end of the stepped shaft far away from the box body.

4. A safety arrangement according to claim 3, wherein threading holes are provided in the side walls of the box body, the tail ends of the lines leading out through the threading holes.

5. The safety device according to claim 4, wherein the spiral spring is in a planar spiral shape, an inner hook is arranged at the tail end of the spiral spring and clamped inside the open slot, and a clamping barrel is arranged at the starting end of the spiral spring and connected with the rotary disc.

6. The safety device according to claim 5, wherein a circular truncated cone is arranged on the outer end face of the rotary disc, the rope body is wound on the circumferential surface of the circular truncated cone, a cylindrical pin is arranged on the inner end face of the rotary disc, the cylindrical pin is clamped with the clamping cylinder, a central hole is arranged in the central position of the rotary disc, and the central hole is rotatably connected with the stepped shaft.

7. The safety device according to claim 6, characterized in that the starting end of the rope body is provided with a steel sleeve, and the steel sleeve is fixed on the circular truncated cone.

8. The safety device according to claim 6, wherein the rope body is a steel wire rope.

9. The safety device as claimed in claim 3, wherein a through hole is formed at a central position of the box cover, the box cover is connected with the box body through a screw, and the screw penetrates through the through hole to be connected with the first threaded hole, so that the box cover is connected with the box body.

10. The safety device according to claim 1, wherein the rope clamp comprises a clamping seat, a radial clamping hole is formed in a side wall of the clamping seat, an axial second threaded hole is formed in an end face of the clamping seat, the tail end of the rope body passes through the clamping hole, and the rope body is fixed on the rope clamp through a bolt screwed into the second threaded hole;

the rope clamp further comprises a mounting seat arranged on the end face of the clamping seat, a plurality of mounting holes are formed in the mounting seat, and the rope clamp is mounted on the door body through the mounting holes.

Images