CN113958214A

CN113958214A - Protective door locking mechanism

Info

Publication number: CN113958214A
Application number: CN202111024985.8A
Authority: CN
Inventors: 毛文祥; 范全涛; 薛峰超; 闫希国
Original assignee: Henan Jinxin Civil Defense Group Co Ltd
Current assignee: Henan Jinxin Civil Defense Group Co Ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-01-21

Abstract

The invention discloses a protective door locking mechanism, which relates to the technical field of protective door locking and comprises a door body and a first fixed seat, wherein the first fixed seat is installed on one side of the back face of the door body, a rotary drum is installed inside the first fixed seat, a screw rod is connected to the inner side of the rotary drum in a threaded manner, a second fixed seat is connected to one side of the outer wall of the screw rod, a rotary shaft disc penetrates through one side of the top end of the first fixed seat, a bearing is connected to the middle part of the outer wall of the rotary shaft disc, and an outer ring area of the bearing is fixedly connected with the first fixed seat. According to the invention, the rotating shaft disc is manually rotated to synchronously rotate with the rotating drum which is in meshed connection with the rotating shaft disc, so that the screw rod in threaded connection with the interior of the rotating drum can be driven to advance along the transverse axis direction of the rotating drum and is inserted into the inner side of the fixed block, and the defect of poor locking effect of the traditional protective door due to the fact that the bolt is directly inserted when the protective door is locked is overcome.

Description

Protective door locking mechanism

Technical Field

The invention relates to the technical field of protective door locking, in particular to a protective door locking mechanism.

Background

The variety of guard gate is various, has type guard gate that gives sound insulation, the type guard gate of putting out a fire, clean type guard gate etc. and various guard gates all need lock the operation in the use, so the good and bad protective effect who directly influences this guard gate of locking function, and the guard gate is mainly applied to places such as hospital, mill, teaching building, and it has irreplaceable effect.

When the existing protective door locking mechanism works, the bolt part is easy to loosen, the locking effect is not good, people are positioned outside the protective door to easily open the door, and the protective door cannot be subjected to double locking operation.

Disclosure of Invention

The invention aims to solve the defects that when the existing protective door locking mechanism works, a bolt part is easy to loosen, the locking effect is poor, people can easily open the door outside the protective door, and double locking operation cannot be performed on the protective door.

In order to achieve the purpose, the invention adopts the following technical scheme:

a protective door locking mechanism comprising:

a door body;

the door comprises a door body, a first fixed seat, a rotary drum, a screw rod, a second fixed seat, a rotary shaft disc, a bearing, a door frame and a door frame, wherein the first fixed seat is installed on one side of the back face of the door body, the rotary drum is installed inside the first fixed seat, the screw rod is connected with the inner side of the rotary drum in a threaded mode, the second fixed seat is connected with one side of the outer wall of the screw rod, the rotary shaft disc penetrates through one side of the top end of the first fixed seat, the middle of the outer wall of the rotary shaft disc is connected with the bearing, the outer ring area of the bearing is fixedly connected with the first fixed seat, the second fixed seat is fixedly connected with the door body, and the door frame is installed on the outer side of the door body;

the door comprises a hook, wherein the hook is arranged on one side of the top of a door body and is connected with a door frame through a connecting shaft, a pull rope is connected above one side of the hook, a support component is wound and connected to the middle of the outer wall of the pull rope, the tail end of the pull rope is connected with a fixed block, a groove is formed in the inner side of the fixed block, and the fixed block is fixedly connected with the door frame.

Preferably, a cross bar is installed on one side of the top end surface of the door body, and the door frame is connected with the door body through a hinge.

Preferably, the rotating shaft disc is in meshed connection with one end of the rotating cylinder, and the rotating cylinder is in rotating connection with the first fixed seat.

Preferably, the second fixing seat is in threaded connection with the screw rod, and the second fixing seat is of a semicircular annular structure.

Preferably, the hook and the doorframe form a rotating structure through a connecting shaft, and the connecting shaft is positioned at one half of the outer wall of the hook.

Preferably, one end of the screw rod is of a concave-shaped structure, and the transverse axis of the screw rod is flush with the transverse axis of the fixed block.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the rotating shaft disc is manually rotated to synchronously rotate with the rotating drum which is in meshed connection with the rotating shaft disc, so that the screw rod in threaded connection with the interior of the rotating drum can be driven to advance along the transverse axis direction of the rotating drum and is inserted into the inner side of the fixed block, and the defect of poor locking effect of the traditional protective door due to the fact that the bolt is directly inserted when the protective door is locked is overcome.

2. According to the invention, after the screw rod is inserted into the groove of the fixing block, the pull rope connected with the inner wall of the groove can be pushed and wound, and the winding work of the pull rope is realized, so that the pull rope can be pulled, the hook at the other end of the pull rope rotates around the connecting shaft and is hooked on the outer wall of the cross rod, and the purpose of double locking work of the locking mechanism is realized.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a connecting structure of a hook and a cross bar according to the present invention;

FIG. 3 is an enlarged schematic view of the position A in the present invention.

Illustration of the drawings:

1. a door body; 2. a hinge; 3. a door frame; 4. a first fixed seat; 5. a second fixed seat; 6. a rotating drum; 7. a bearing; 8. a shaft rotating disk; 9. pulling a rope; 10. a bracket assembly; 11. hooking; 12. a cross bar; 13. a connecting shaft; 14. a fixed block; 15. a groove; 16. a screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a protective door locking mechanism comprises a door body 1, a hinge 2, a door frame 3, a first fixed seat 4, a second fixed seat 5, a rotary drum 6, a bearing 7, a rotary shaft disc 8, a pull rope 9, a bracket assembly 10, a hook 11, a cross rod 12, a connecting shaft 13, a fixed block 14, a groove 15 and a screw rod 16, wherein the first fixed seat 4 is installed on one side of the back surface of the door body 1, the rotary drum 6 is installed inside the first fixed seat 4, the cross rod 12 is installed on one side of the top surface of the door body 1, the door frame 3 is connected with the door body 1 through the hinge 2, a groove body (not shown in the figure) is arranged around the cross rod 12, so that the hook 11 can rotate and complete the operations of hook connection and disconnection with the cross rod 12, the screw rod 16 is connected with the inner side of the rotary drum 6 through threads, the second fixed seat 5 is connected with the screw rod 16 through threads on one side of the outer wall of the screw rod 16, the second fixing seat 5 is in a semicircular structure, and the second fixing seat 5 can guide the screw 16, so that the phenomenon that the screw 16 synchronously rotates along with the rotary drum 6 and does not move along the transverse axis direction of the rotary drum 6 due to the lack of the second fixing seat 5 is avoided, one end of the screw 16 is in a concave structure, the transverse axis of the screw 16 is level with the transverse axis of the fixing block 14, and the sliding phenomenon is not easy to occur due to the fact that one end of the screw 16 is in the concave structure, so that the pushing and rolling work of the screw 16 on the pull rope 9 is influenced;

a rotating shaft disk 8 penetrates through one side of the top end of the first fixed seat 4, a bearing 7 is connected to the middle of the outer wall of the rotating shaft disk 8, the rotating shaft disk 8 is connected with one end of a rotating drum 6 in a meshing manner, the rotating drum 6 is rotatably connected with the first fixed seat 4, the rotating shaft disk 8 is rotated, a meshing tooth disk structure is arranged below the rotating shaft disk 8, so that the rotating shaft disk can drive the rotating drum 6 with one end in a mesh structure to rotate after rotating, an outer ring area of the bearing 7 is fixedly connected with the first fixed seat 4, a second fixed seat 5 is fixedly connected with the door body 1, a door frame 3 is arranged on the outer side of the door body 1, a hook 11 is arranged on one side of the top of the door body 1, the hook 11 is connected with the door frame 3 through a connecting shaft 13, the hook 11 forms a rotating structure with the door frame 3 through the connecting shaft 13, the connecting shaft 13 is positioned at one half of the outer wall of the hook 11, and after the outer wall of the hook 11 is subjected to the pulling force of a pulling rope 9, it is rotatory around connecting axle 13, and the hook is in the outer wall department of horizontal pole 12, be convenient for consolidate the locking dynamics of this guard gate, 11 one side top of couple is connected with stay cord 9, and the outer wall middle part winding of stay cord 9 is connected with bracket component 10, bracket component 10 is by the pulley, the support constitutes, be convenient for support the operation to stay cord 9, avoid stay cord 9 and the inside edges and corners direct contact of door frame 3, cause the phenomenon of big degree wearing and tearing, influence its life cycle, the end-to-end connection of stay cord 9 has fixed block 14, and fixed block 14's inboard is seted up recess 15, be fixed connection between fixed block 14 and the door frame 3.

The working principle is as follows: when in use, firstly, the door body 1 rotates around the hinge 2 and is closed with the door frame 3 by a worker, then, the rotating shaft disc 8 is manually rotated, so that the mesh tooth disk at the bottom end thereof is engaged with the mesh tooth structure at one end of the rotary drum 6, thereby driving the rotary drum 6 to rotate, enabling the screw 16 inside the rotary drum 6 to synchronously rotate, which is in threaded connection with the second fixed seat 5, the screw 16 can move along the transverse axis direction of the rotary drum 6, and is inserted into the groove 15 of the fixing block 14, and can push the pull rope 9 with one end connected with the inner wall of the groove 15, and the winding realizes the winding work of the pull rope 9, so the pull rope 9 can be pulled to rotate the hook 11 at the other end of the pull rope 9 around the connecting shaft 13 and hook the outer wall of the cross rod 12, and the double locking work of the locking mechanism is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A protection door locking mechanism which characterized in that: the method comprises the following steps:

a door body (1);

the door comprises a first fixing seat (4), wherein the first fixing seat (4) is installed on one side of the back face of a door body (1), a rotary drum (6) is installed inside the first fixing seat (4), a screw rod (16) is connected to the inner side of the rotary drum (6) in a threaded manner, a second fixing seat (5) is connected to one side of the outer wall of the screw rod (16), a rotary shaft disc (8) penetrates through one side of the top end of the first fixing seat (4), a bearing (7) is connected to the middle of the outer wall of the rotary shaft disc (8), an outer ring area of the bearing (7) is fixedly connected with the first fixing seat (4), the second fixing seat (5) is fixedly connected with the door body (1), and a door frame (3) is installed on the outer side of the door body (1);

couple (11), couple (11) are settled in the top one side of a body (1), and couple (11) are connected with door frame (3) through connecting axle (13), one side top of couple (11) is connected with stay cord (9), and the outer wall middle part winding of stay cord (9) is connected with bracket component (10), the end-to-end connection of stay cord (9) has fixed block (14), and the inboard of fixed block (14) is seted up flutedly (15), be fixed connection between fixed block (14) and door frame (3).

2. A protective door locking mechanism according to claim 1, wherein: a cross rod (12) is installed on one side of the top end surface of the door body (1), and the door frame (3) is connected with the door body (1) through a hinge (2).

3. A protective door locking mechanism according to claim 1, wherein: the rotating shaft disc (8) is meshed with one end of the rotating drum (6), and the rotating drum (6) is rotatably connected with the first fixed seat (4).

4. A protective door locking mechanism according to claim 1, wherein: the second fixing seat (5) is in threaded connection with the screw rod (16), and the second fixing seat (5) is of a semicircular annular structure.

5. A protective door locking mechanism according to claim 1, wherein: the hook (11) and the door frame (3) form a rotating structure through the connecting shaft (13), and the connecting shaft (13) is positioned at one half of the outer wall of the hook (11).

6. A protective door locking mechanism according to claim 1, wherein: one end of the screw rod (16) is of a concave-shaped structure, and the transverse axis of the screw rod (16) is flush with the transverse axis of the fixed block (14).