CN215408012U

CN215408012U - Anti-theft door top shaft structure capable of preventing opening from being too large

Info

Publication number: CN215408012U
Application number: CN202121835156.3U
Authority: CN
Inventors: 陈大亮
Original assignee: Zhejiang Jinjin Aluminum Co ltd
Current assignee: Zhejiang Jinjin Aluminum Co ltd
Priority date: 2021-08-07
Filing date: 2021-08-07
Publication date: 2022-01-04
Anticipated expiration: 2031-08-07

Abstract

The utility model discloses a security door top shaft structure for preventing overlarge opening degree, which relates to the technical field of security door top shafts and comprises a fixing component, wherein a connecting component is fixedly arranged at the top end of the fixing component, a rotating shaft is rotatably connected inside one end of the connecting component, a limiting component is fixedly arranged outside the rotating shaft, the limiting component comprises a frame, a fixing clamping block is fixedly connected on the inner surface of one group of side walls of the frame, a wire tube is fixedly connected inside the other group of side walls of the frame, the inner surface of the fixing clamping block is attached to the outer surface of the rotating shaft, the bottom of a limiting column penetrates through the inside of a limiting groove to form sliding connection, a knob is rotated to drive a screw rod to rotate, a movable clamping block is moved towards the direction of the fixing clamping block through the wire tube, the fixing clamping block and the movable clamping block are fixedly connected with the rotating shaft, the rotating shaft is rotated and simultaneously drives the limiting column to slide in the limiting groove, the maximum opening size of the anti-theft door can be obtained according to the size of the limiting groove.

Description

Anti-theft door top shaft structure capable of preventing opening from being too large

Technical Field

The utility model relates to the technical field of a top shaft of a security door, in particular to a top shaft structure of a security door, which can prevent an overlarge opening degree.

Background

At present, a top shaft of a security door is lack of a limiting device, the opening size of the security door cannot be controlled in daily use, and the security door is easily damaged.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a security door top shaft structure for preventing an overlarge opening degree, and solves the problems that the existing security door top shaft is lack of a limiting device, the opening size of a security door cannot be controlled in daily use, and the security door is easily damaged.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a security door top shaft structure for preventing an overlarge opening degree comprises a fixing assembly, wherein a connecting assembly is fixedly mounted at the top end of the fixing assembly, a rotating shaft is rotatably connected inside one end of the connecting assembly, and a limiting assembly is fixedly mounted outside the rotating shaft;

the limiting assembly comprises a frame, wherein a fixed clamping block is fixedly connected to the inner surface of one group of side walls of the frame, a wire cylinder is fixedly connected to the inner part of the other group of side walls of the frame, a lead screw is connected to the inner part of the wire cylinder in a rotating mode, a bearing is sleeved outside one end of the lead screw and inside the frame, a movable clamping block is sleeved outside the bearing, a knob is fixedly connected to the other end of the lead screw and outside the frame, a connecting block is fixedly connected to the outer side face of the frame, and a limiting column is fixedly connected to the bottom end of the connecting block.

As a further technical scheme of the utility model, the fixed clamping block and the movable clamping block have the same structure and the same size, and the inner surfaces of the fixed clamping block and the movable clamping block are respectively attached to the outer surface of the rotating shaft.

According to a further technical scheme of the utility model, the fixing assembly comprises a fixing piece, a plurality of groups of first bolt holes are symmetrically formed in the side surface of the bottom of the fixing piece, two groups of second bolt holes are formed in the top end of the fixing piece, and expansion screws penetrate through the inside of each group of first bolt holes.

According to a further technical scheme of the utility model, the connecting assembly comprises a connecting plate, a plurality of groups of third bolt holes are formed in the top end of the connecting plate, a hollow column is fixedly connected to the inside of the other end of the connecting plate in a penetrating mode, a limiting groove is formed in the top end of the connecting plate and located between the plurality of groups of third bolt holes and the hollow column, and a fastening bolt is connected to the inside of each group of third bolt holes in a penetrating mode.

As a further technical scheme of the utility model, the two groups of second bolt holes are respectively in a horizontal vertical state with the plurality of groups of third bolt holes, and the bottoms of the plurality of groups of fastening bolts respectively penetrate through the two groups of second bolt holes.

As a further technical scheme, the fixed clamping block and the movable clamping block are respectively positioned above the hollow column, the bottom of the limiting column penetrates through the limiting groove, and the limiting column is in sliding connection with the limiting groove.

Advantageous effects

The utility model provides a top shaft structure of an anti-theft door, which can prevent the opening from being too large. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a prevent too big burglary-resisting door day axle construction of aperture, the internal surface through with fixed clamp splice is laminated with the surface of axis of rotation mutually, the inside formation sliding connection that passes the spacing groove with the bottom of spacing post, it drives the lead screw and rotates to rotate the knob, then make through the silk section of thick bamboo and remove the clamp splice and remove towards the direction of fixed clamp splice, and then fixed clamp splice carries out fixed connection with removal clamp splice and axis of rotation, then the axis of rotation is rotatory in the time, it slides at spacing inslot portion to drive spacing post, by the size of spacing groove, can obtain the biggest yardstick of opening the door of burglary-resisting door.

2. The utility model provides a prevent that aperture is too big burglary-resisting door day axle construction, through adopting inside a plurality of groups fastening bolt passed the third bolt hole of a plurality of groups and two sets of second bolt hole respectively, make mounting and connecting plate form fixed connection, because two sets of second bolt holes are the horizontal vertical state with a plurality of groups third bolt hole respectively, then when mounting and connecting plate are connected, can carry out forward, backward, carry out slight removal regulation left and right to mounting and connecting plate.

Drawings

FIG. 1 is a schematic structural diagram of a hinge structure of a security door for preventing an excessive opening degree;

FIG. 2 is a schematic structural diagram of a limiting assembly in a hinge structure of a security door for preventing an excessive opening degree;

FIG. 3 is a schematic structural diagram of a fixing assembly in a hinge structure of a security door for preventing an excessive opening degree;

fig. 4 is a schematic structural diagram of a connecting assembly in a hinge structure of a security door for preventing an excessive opening degree.

In the figure: 1. a fixing assembly; 11. a fixing member; 12. a first bolt hole; 13. a second bolt hole; 14. an expansion screw; 2. a connecting assembly; 21. a connecting plate; 22. a third bolt hole; 23. a hollow column; 24. a limiting groove; 25. fastening a bolt; 3. a rotating shaft; 4. a limiting component; 41. a frame; 42. fixing the clamping block; 43. a wire barrel; 44. a screw rod; 45. a bearing; 46. moving the clamping block; 47. a knob; 48. connecting blocks; 49. a limiting column.

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, the present invention provides a technical solution for a hinge structure of a security door to prevent an excessive opening degree: the utility model provides a prevent too big burglary-resisting door day axle construction of aperture, includes fixed subassembly 1, the top fixed mounting of fixed subassembly 1 has coupling assembling 2, and the inside rotation in one end of coupling assembling 2 is connected with axis of rotation 3, and the outside fixed mounting of axis of rotation 3 has spacing subassembly 4.

Referring to fig. 4, the limiting assembly 4 includes a frame 41, a fixed clamping block 42 is fixedly connected to an inner surface of one set of side walls of the frame 41, a wire barrel 43 is fixedly connected to an inner portion of the other set of side walls of the frame 41, a screw rod 44 is rotatably connected to an inner portion of the wire barrel 43, a bearing 45 is sleeved outside one end of the screw rod 44 and inside the frame 41, a movable clamping block 46 is sleeved outside the bearing 45, a knob 47 is fixedly connected to the other end of the screw rod 44 and outside the frame 41, a connecting block 48 is fixedly connected to an outer side surface of the frame 41, a limiting post 49 is fixedly connected to a bottom end of the connecting block 48, the fixed clamping block 42 and the movable clamping block 46 have the same structure and the same size, and inner surfaces of the fixed clamping block 42 and the movable clamping block 46 are respectively attached to an outer surface of the rotating shaft 3.

Spacing subassembly 4 is in-service use, the surface through with fixed clamp splice 42 is laminated mutually with axis of rotation 3's surface, pass the inside formation sliding connection of spacing groove 24 with spacing post 49's bottom, it rotates to rotate knob 47 and drive lead screw 44, then make through silk section of thick bamboo 43 and remove clamp splice 46 towards the direction of fixed clamp splice 42 and remove, and then fixed clamp splice 42 carries out fixed connection with removal clamp splice 46 and axis of rotation 3, then when axis of rotation 3 is rotatory, drive spacing post 49 and slide in spacing groove 24 inside.

Referring to fig. 2, the fixing assembly 1 includes a fixing member 11, a plurality of groups of first bolt holes 12 are symmetrically formed in a side surface of a bottom of the fixing member 11, two groups of second bolt holes 13 are formed in a top end of the fixing member 11, and an expansion screw 14 is penetratingly connected to an inside of each group of the first bolt holes 12.

Referring to fig. 3, the connecting assembly 2 includes a connecting plate 21, a plurality of sets of third bolt holes 22 are formed in the top end of the connecting plate 21, a hollow column 23 fixedly connected to the inside of the other end of the connecting plate 21 and penetrating through the inside of the connecting plate 21, a limiting groove 24 is formed in the top end of the connecting plate 21 and located between the plurality of sets of third bolt holes 22 and the hollow column 23, fastening bolts 25 are penetrating through the inside of each set of third bolt holes 22, the two sets of second bolt holes 13 are respectively in a horizontal vertical state with the plurality of sets of third bolt holes 22, the bottoms of the plurality of sets of fastening bolts 25 respectively penetrate through the two sets of second bolt holes 13, the fixing clamp blocks 42 and the moving clamp blocks 46 are respectively located above the hollow column 23, the bottoms of the limiting columns 49 penetrate through the inside of the limiting grooves 24, and the limiting columns 49 and the limiting grooves 24 are in sliding connection.

The working principle of the utility model is as follows: when the fixing device is used, a plurality of groups of expansion screws 14 penetrate through the first bolt holes 12 of the plurality of groups respectively and are driven into the wall surface, so that the fixing component 1 is fixedly connected with the wall surface, the rotating shaft 3 is rotatably connected with the hollow column 23, the inner surface of the fixing clamping block 42 is attached to the outer surface of the rotating shaft 3, the bottom of the limiting column 49 penetrates through the limiting groove 24 to form sliding connection, the rotating knob 47 drives the screw rod 44 to rotate, the movable clamping block 46 moves towards the fixing clamping block 42 through the screw tube 43, the fixing clamping block 42 and the movable clamping block 46 are fixedly connected with the rotating shaft 3, and the rotating shaft 3 rotates and simultaneously drives the limiting column 49 to slide in the limiting groove 24;

the bottom end of the connecting plate 21 is attached to the top end of the fixing member 11, a plurality of groups of fastening bolts 25 are adopted to respectively penetrate through a plurality of groups of third bolt holes 22 and two groups of second bolt holes 13, and because the two groups of second bolt holes 13 are respectively in a horizontal and vertical state with the plurality of groups of third bolt holes 22, when the fixing member 11 is connected with the connecting plate 21, the fixing member 11 and the connecting plate 21 can be moved forward, backward, leftward and rightward slightly and adjusted.

Claims

1. The anti-theft door top shaft structure capable of preventing the opening degree from being too large comprises a fixing component (1) and is characterized in that a connecting component (2) is fixedly installed at the top end of the fixing component (1), a rotating shaft (3) is rotatably connected to the inside of one end of the connecting component (2), and a limiting component (4) is fixedly installed on the outside of the rotating shaft (3);

spacing subassembly (4) include frame (41), a set of lateral wall internal surface fixedly connected with fixed clamp splice (42) of frame (41), another group of inside fixedly connected with silk section of thick bamboo (43) of lateral wall of frame (41), the inside of silk section of thick bamboo (43) is rotated and is connected with lead screw (44), bearing (45) have been cup jointed to the outside and the inside that is located frame (41) of one end of lead screw (44), removal clamp splice (46) have been cup jointed to the outside of bearing (45), the other end of lead screw (44) just is located outside fixedly connected with knob (47) of frame (41), the outside side fixedly connected with connecting block (48) of frame (41), the bottom fixedly connected with spacing post (49) of connecting block (48).

2. The anti-theft door hinge structure for preventing the excessive opening degree according to claim 1, wherein the fixed clamping block (42) and the movable clamping block (46) have the same structure and the same size, and the inner surfaces of the fixed clamping block (42) and the movable clamping block (46) are respectively attached to the outer surface of the rotating shaft (3).

3. The anti-theft door top shaft structure capable of preventing the overopening according to claim 1, wherein the fixing assembly (1) comprises a fixing member (11), a plurality of groups of first bolt holes (12) are symmetrically formed in the side surface of the bottom of the fixing member (11), two groups of second bolt holes (13) are formed in the top end of the fixing member (11), and an expansion screw (14) is connected to the inside of each group of first bolt holes (12) in a penetrating manner.

4. The anti-theft door crown shaft structure capable of preventing the opening degree from being too large according to claim 3, wherein the connecting assembly (2) comprises a connecting plate (21), a plurality of groups of third bolt holes (22) are formed in the top end of the connecting plate (21), a hollow column (23) is fixedly connected to the inside of the other end of the connecting plate (21) in a penetrating manner, a limiting groove (24) is formed in the top end of the connecting plate (21) and located between the plurality of groups of third bolt holes (22) and the hollow column (23), and a fastening bolt (25) is connected to the inside of each group of third bolt holes (22) in a penetrating manner.

5. The structure of the upper shaft of the anti-theft door for preventing the overopening according to claim 4, wherein two sets of the second bolt holes (13) are horizontally and vertically arranged with a plurality of sets of the third bolt holes (22), and the bottom of a plurality of sets of the fastening bolts (25) respectively pass through two sets of the second bolt holes (13).

6. The anti-theft door crown shaft structure capable of preventing the excessive opening degree according to claim 4, wherein the fixed clamping block (42) and the movable clamping block (46) are respectively positioned above the hollow column (23), the bottom of the limiting column (49) penetrates through the inside of the limiting groove (24), and the limiting column (49) and the limiting groove (24) are in sliding connection.