CN108952386B

CN108952386B - Anti-theft device

Info

Publication number: CN108952386B
Application number: CN201810681685.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Yu Nengren
Current assignee: Yu Nengren
Priority date: 2018-06-27
Filing date: 2018-06-27
Publication date: 2020-07-10
Anticipated expiration: 2038-06-27
Also published as: CN108952386A

Abstract

The invention discloses an anti-theft device, which comprises a connecting rod, the hinge seat comprises a bottom plate and a pin shaft arranged in the middle of the upper end face of the bottom plate, a rotating sleeve is arranged at one end, located on the hinge seat, of the connecting rod, the rotating sleeve is rotatably sleeved outside the pin shaft, an upper cover is in threaded connection with the upper end of the pin shaft, a limiting column is arranged at the edge of the upper end face of the bottom plate, the height of the limiting column is equal to the distance from the upper end face of the connecting rod to the upper end face of the bottom plate, an arc-shaped protruding block is arranged on the upper end face of the fixing seat, an arc-shaped groove is formed in the inner wall of the arc-shaped protruding block, the locking mechanism comprises a supporting seat with an opening at the upper end and a cavity arranged inside, and a cover plate in threaded connection with the upper end of the supporting; compared with the traditional anti-theft device, the anti-theft device improves the anti-theft effect.

Description

Anti-theft device

Technical Field

The present invention relates to an anti-theft device.

Background

At present, generally all install the anti-theft chain device on the door of hotel, install the anti-theft chain device on the door of hotel at present generally including first fixing base and second fixing base, first fixing base is fixed on the door frame, the second fixing base is fixed on the door body, fixedly connected with chain on the first fixing base, the one end that first fixing base was kept away from to the chain is provided with the hasp, then be provided with on the second fixing base and be used for the locked groove with hasp cooperation locking, but this kind of anti-theft chain is when using, in order to make the hasp enter into the locked groove, the length of chain is generally longer, after the lock is prized open by the lock, because the length of chain is longer, so, the door still can be opened certain angle, thereby lawless persons still can break away anti-theft device, there is great potential safety hazard.

Disclosure of Invention

In order to solve the problems, the invention designs the anti-theft device, when the anti-theft device is used, the hinged seat is fixed with the door frame, and after the fixed seat is fixed with the door body, the connecting rod and the locking mechanism between the hinged seat and the fixed seat have no redundant length for opening the door.

The purpose of the invention is realized as follows:

the invention relates to an anti-theft device, which comprises a connecting rod, a hinged seat and a fixed seat, wherein the hinged seat is used for being fixed with a door frame, the fixed seat is used for being fixed with a door body, one end of the connecting rod is rotatably connected with the hinged seat, the other end of the connecting rod is fixedly provided with a locking mechanism which is used for being matched and locked with the fixed seat, the hinged seat comprises a bottom plate and a pin shaft arranged in the middle of the upper end surface of the bottom plate, one end of the connecting rod, which is positioned on the hinged seat, is provided with a rotating sleeve, the rotating sleeve is rotatably sleeved outside the pin shaft, the upper end of the pin shaft is in threaded connection with an upper cover, the edge of the upper end surface of the bottom plate is provided with a limiting column, the height of the limiting column is the same as the distance from the upper end surface of the connecting rod to the upper end surface of the bottom plate, locking mechanism includes that the upper end opening and inside are provided with the supporting seat and the apron of threaded connection in the supporting seat upper end of cavity, all is provided with on two lateral walls of supporting seat to be used for with the arc wall cooperation locking bolt mechanism, the inside actuating mechanism who is used for driving bolt mechanism so that bolt mechanism and arc wall locking or unblock that is provided with of supporting seat.

The anti-theft device comprises an anti-theft device, wherein each bolt mechanism comprises an insertion rod, the outer side wall of each insertion rod is provided with an annular convex edge, the inner walls of two sides of a supporting seat are respectively provided with a sliding chute for the annular convex edge to slide, the inner end part of each sliding chute is in threaded connection with an end cover for blocking the annular convex edge to prevent the annular convex edge from falling off from the sliding chute, the outer end part of each insertion rod movably penetrates through the supporting seat and then is inserted into the arc-shaped groove, the inner end part of each insertion rod movably penetrates through the end cover and then extends out of the end cover, and a spring for driving the annular convex edge to move inwards to enable the insertion rod to fall off the arc; after adopting this kind of structure, after the inserted bar inserted the arc wall, can realize the locking to supporting seat and fixing base, when the inserted bar withdrawed from the arc wall, can realize the unblock to supporting seat and fixing base.

According to the anti-theft device, the pair of sliding blocks are arranged on the outer side wall of the annular convex edge, and the sliding way which can be matched with the sliding blocks to slide when the inserted rod slides is arranged on the inner side wall of the sliding groove; after adopting this kind of structure, can realize spacing to the circumference of annular chimb, so, when the inserted bar removed, circumferential direction's phenomenon can be avoided appearing in the inserted bar.

The anti-theft device of the invention, wherein, the driving mechanism comprises a limiting block which can be connected inside a supporting seat in a vertical sliding way, a limiting column which is coaxially arranged with the supporting seat is arranged on the lower end surface of the limiting block, a long groove which can be used for the limiting column to slide along the vertical direction is arranged on the inner bottom of the supporting seat, a handle which is coaxially arranged with the supporting seat is arranged on the upper end surface of the limiting block, a long hole which can be used for the handle to slide along the vertical direction is arranged in a cover plate, the upper end of the handle movably penetrates through the long hole and then extends out of the long hole, the limiting block comprises a big end part which is positioned above and a small end part which is positioned below, an inclined plane which gradually shrinks inwards from top to bottom is formed between the big end part and the small end part, a first slot which can be used for inserting the inner end part of an inserting rod is, the inner end part of the inserted rod is of a dome-shaped structure, and the shape of the inner side wall of the first slot and the shape of the inner side wall of the second slot are matched with the shape of the inner end part of the inserted rod; by adopting the structure, when the limiting block moves downwards, namely the inner end part of the inserting rod is inserted into the first slot, the inserting rod can be inserted into the arc-shaped slot, so that the supporting seat and the fixed seat can be locked; when the stopper upwards removed, namely after the inner end of inserted bar inserted the second slot, the inserted bar can withdraw from in the arc wall, so, can realize the unblock to supporting seat and fixing base.

According to the anti-theft device, the two end parts of the arc-shaped convex block are provided with the arc-shaped guide surfaces which can be matched with the locking mechanism for guiding so as to facilitate the locking mechanism to enter the fixed seat; through the setting of arc spigot surface, locking mechanism can with the cooperation of arc spigot surface direction, so, locking mechanism can enter into the fixing base more conveniently.

The anti-theft device comprises a base plate, a plurality of bolt holes and a plurality of bolt holes, wherein the bolt holes are circumferentially distributed in the base plate; through the setting of bolt hole, after the screw passed the bolt hole, can conveniently fix articulated seat on the door frame.

The anti-theft device of the invention, wherein, the inner bottom of the fixed seat is provided with a pair of counter bores; through the arrangement of the counter sink, the fixing seat can be conveniently fixed on the door body after the screw penetrates through the counter sink.

According to the anti-theft device, one end, far away from the hinge seat, of the connecting rod is fixed with the supporting seat through the bolt; after adopting this kind of structure, can improve the fixed intensity of connecting rod and supporting seat.

By adopting the structure, when the anti-theft device is used, the hinged seat is fixed with the door frame, and after the fixed seat is fixed with the door body, the connecting rod and the locking mechanism between the hinged seat and the fixed seat have no redundant length for opening the door.

Drawings

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

FIG. 2 is a schematic top view of the fixing base;

FIG. 3 is a schematic sectional view of the fixing base;

FIG. 4 is a schematic top view of the hinge base with the upper cover removed;

FIG. 5 is a schematic cross-sectional view of the locking mechanism;

FIG. 6 is a schematic cross-sectional view of the linkage coupled to the hinge base;

fig. 7 is a schematic sectional view of the locking mechanism and the fixing base after locking.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

An anti-theft device comprises a connecting rod 1, a hinged seat 2 for fixing with a door frame and a fixed seat 3 for fixing with a door body, wherein one end of the connecting rod 1 is rotatably connected with the hinged seat 2, the other end of the connecting rod 1 is fixedly provided with a locking mechanism for matching and locking with the fixed seat 3, the hinged seat 2 comprises a bottom plate 21 and a pin shaft 22 arranged in the middle of the upper end face of the bottom plate 21, one end of the connecting rod 1, which is positioned at the hinged seat 2, is provided with a rotating sleeve 11, the rotating sleeve 11 is rotatably sleeved outside the pin shaft 22, the upper end of the pin shaft 22 is in threaded connection with an upper cover 23, the edge of the upper end face of the bottom plate 21 is provided with a limiting column 24, the height of the limiting column 24 is the same as the distance from the upper end face of the connecting rod 1 to the upper end face of the bottom plate, the limiting column 24 is used for limiting the rotating angle of the connecting, an arc-shaped groove 32 which can be locked in a matched manner with the locking mechanism is arranged on the inner wall of the arc-shaped convex block 31, the locking mechanism comprises a supporting seat 41 with an opening at the upper end and a cavity arranged inside and a cover plate 42 which is connected to the upper end of the supporting seat 41 in a threaded manner, two side walls of the supporting seat 41 are respectively provided with a bolt mechanism which is used for being locked in a matched manner with the arc-shaped groove 32, and a driving mechanism which is used for driving the bolt mechanism to enable the bolt mechanism to be locked or unlocked with the; each bolt mechanism comprises an insertion rod 51, an annular convex edge 511 is arranged on the outer side wall of the insertion rod 51, sliding grooves 411 for the annular convex edge 511 to slide are arranged on the inner walls of the two sides of the supporting seat 41, an end cover 52 for blocking the annular convex edge 511 to prevent the annular convex edge 511 from falling off from the sliding grooves 411 is connected to the inner end of the sliding groove 411 in a threaded manner, the outer end of the insertion rod 51 movably penetrates through the supporting seat 41 and then is inserted into the arc-shaped groove 32, the inner end of the insertion rod 51 movably penetrates through the end cover 52 and then extends out of the end cover 52, and a spring 53 for driving the annular convex edge 511 to move inwards to enable the insertion rod 51 to be separated from the arc-shaped groove 32 is sleeved outside the insertion rod 51; by adopting the structure, the supporting seat and the fixed seat can be locked after the inserted rod is inserted into the arc-shaped groove, and the supporting seat and the fixed seat can be unlocked when the inserted rod is withdrawn from the arc-shaped groove; a pair of sliding blocks 512 are arranged on the outer side wall of the annular convex edge 511, and a slide 412 which can be matched with the sliding blocks 512 to slide when the inserted link 51 slides is arranged on the inner side wall of the sliding groove 411; by adopting the structure, the circumferential limit of the annular convex edge can be realized, so that the phenomenon of circumferential rotation of the inserted bar can be avoided when the inserted bar moves; the driving mechanism comprises a limiting block 43 which is connected inside the supporting seat 41 in a vertically sliding manner, a limiting column 431 which is coaxially arranged with the supporting seat 41 is arranged on the lower end face of the limiting block 43, a long groove 413 which can enable the limiting column 431 to slide along the vertical direction is arranged on the inner bottom of the supporting seat 41, a handle 432 which is coaxially arranged with the supporting seat 41 is arranged on the upper end face of the limiting block 43, an elongated hole 421 which can enable the handle 432 to slide along the vertical direction is arranged in the cover plate 42, the upper end of the handle 432 movably penetrates through the elongated hole 421 and then extends out of the elongated hole 421, the limiting block 43 comprises a large end part 433 positioned above and a small end part 434 positioned below, an inclined plane 435 which gradually shrinks inwards from top to bottom is formed between the large end part 433 and the small end part 434, a first slot 436 which can enable the inner end part of the inserting rod 51 to be inserted is arranged on the outer walls of two sides of the large end part 433, and, the inner end part of the inserted rod 51 is in a dome-shaped structure, and the shape of the inner side wall of the first slot 436 and the shape of the inner side wall of the second slot 437 are matched with the shape of the inner end part of the inserted rod 51; by adopting the structure, when the limiting block moves downwards, namely the inner end part of the inserting rod is inserted into the first slot, the inserting rod can be inserted into the arc-shaped slot, so that the supporting seat and the fixed seat can be locked; when the limiting block moves upwards, namely the inner end part of the inserting rod is inserted into the second slot, the inserting rod can withdraw from the arc-shaped slot, so that the supporting seat and the fixed seat can be unlocked; the two ends of the arc-shaped convex block 31 are provided with arc-shaped guide surfaces 33 which can be matched with the locking mechanism for guiding so as to facilitate the locking mechanism to enter the fixed seat 3; through the arrangement of the arc-shaped guide surface, the locking mechanism can be matched with the arc-shaped guide surface for guiding, so that the locking mechanism can enter the fixed seat more conveniently; a plurality of circumferentially distributed bolt holes 25 are formed in the bottom plate 21; through the arrangement of the bolt holes, the hinge seat can be conveniently fixed on the door frame after the bolt penetrates through the bolt holes; a pair of counter bores 34 are arranged at the inner bottom of the fixed seat 3; through the arrangement of the counter bores, the fixing seat can be conveniently fixed on the door body after the screw penetrates through the counter bores; one end of the connecting rod 1, which is far away from the hinge seat 2, is fixed with the supporting seat 41 through a bolt 12; by adopting the structure, the fixing strength of the connecting rod and the supporting seat can be improved; when the locking mechanism and the fixed seat are required to be locked, the connecting rod and the locking mechanism are firstly rotated to enable the locking mechanism to enter the fixed seat, then the handle is pulled downwards to drive the limiting block to move downwards, after the limiting block moves downwards, the inner end part of the inserting rod is inserted into the first slot, the limiting block can drive the inserting rod to move outwards, after the inserting rod is inserted into the arc-shaped slot, the locking of the locking mechanism and the fixed seat can be realized, and after the locking mechanism and the fixed seat are locked, the locking of a door body can be realized; when needs make locking mechanism and fixing base unblock, upwards promote the handle, the handle drives the stopper rebound, stopper rebound back, the inserted bar rebound under the effect of spring, the interior tip of inserted bar inserts in the second slot, so, the stopper can withdraw from in the arc wall, thereby realized the unblock to locking mechanism and fixing base, then to the left turn connecting rod and locking mechanism, make the connecting rod offset with spacing post can, so, realized the unblock to the door body promptly.

It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore, the invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the invention.

It should be noted that the above list is only one specific embodiment of the present invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible.

In general, all modifications that can be derived or suggested by those skilled in the art from the disclosure herein are intended to be included within the scope of the invention.

Claims

1. The utility model provides an anti-theft device, includes connecting rod (1), be used for with fixed articulated seat (2) of door frame and be used for with fixed fixing base (3) of the door body, connecting rod (1) one end is connected its characterized in that with articulated seat (2) rotation: the other end of the connecting rod (1) is fixed with a locking mechanism used for being locked with the fixing seat (3) in a matched mode, the hinged seat (2) comprises a bottom plate (21) and a pin shaft (22) arranged in the middle of the upper end face of the bottom plate (21), one end, located on the hinged seat (2), of the connecting rod (1) is provided with a rotating sleeve (11), the rotating sleeve (11) is rotatably sleeved outside the pin shaft (22), the upper end of the pin shaft (22) is connected with an upper cover (23) in a threaded mode, the edge of the upper end face of the bottom plate (21) is provided with a limiting column (24), the height of the limiting column (24) is the same as the distance from the upper end face of the connecting rod (1) to the upper end face of the bottom plate, the limiting column (24) is used for limiting the rotating angle of the connecting rod (1) and supporting the connecting rod (1), an arc-shaped convex block (31) is arranged on the upper end face, an arc-shaped groove (32) which can be locked in a matched mode with the locking mechanism is formed in the inner wall of the arc-shaped protruding block (31), the locking mechanism comprises a supporting seat (41) with an opening at the upper end and a cavity formed in the supporting seat, and a cover plate (42) connected to the upper end of the supporting seat (41) in a threaded mode, plug pin mechanisms which are used for being locked in the matched mode with the arc-shaped groove (32) are arranged on two side walls of the supporting seat (41), and a driving mechanism which is used for driving the plug pin mechanisms to enable the plug pin mechanisms to be locked or unlocked with the arc-shaped groove (; each bolt mechanism comprises an inserted bar (51), the outer side wall of the inserted bar (51) is provided with an annular convex edge (511), the inner walls of the two sides of the supporting seat (41) are respectively provided with a sliding chute (411) for the sliding of the annular convex edge (511), an end cover (52) used for blocking the annular convex edge (511) to prevent the annular convex edge (511) from falling out of the sliding chute (411) is connected to the inner end part of the sliding chute (411) in a threaded manner, the outer end part of the inserted bar (51) movably penetrates through the supporting seat (41) and then is inserted into the arc-shaped groove (32), the inner end part of the inserted bar (51) movably penetrates through the end cover (52) and then extends out of the end cover (52), a spring (53) for driving the annular convex edge (511) to move inwards to enable the inserted rod (51) to be separated from the arc-shaped groove (32) is sleeved outside the inserted rod (51) between the annular convex edge (511) and the inner side wall of the supporting seat (41); a pair of sliding blocks (512) is arranged on the outer side wall of the annular convex edge (511), and a slide way (412) which can be matched with the sliding blocks (512) to slide when the inserted rod (51) slides is arranged on the inner side wall of the sliding groove (411); the driving mechanism comprises a limiting block (43) which is connected to the inside of a supporting seat (41) in a vertically sliding manner, a limiting column (431) which is coaxially arranged with the supporting seat (41) is arranged on the lower end face of the limiting block (43), a long-shaped groove (413) which can be used for the limiting column (431) to slide along the vertical direction is arranged on the inner bottom of the supporting seat (41), a handle (432) which is coaxially arranged with the supporting seat (41) is arranged on the upper end face of the limiting block (43), a long-shaped hole (421) which can be used for the handle (432) to slide along the vertical direction is arranged in a cover plate (42), the upper end of the handle (432) movably penetrates through the long-shaped hole (421) and then stretches out of the long-shaped hole (421), the limiting block (43) comprises a large end part (433) which is positioned above and a small end part (434) which is positioned below, and an inclined plane (435) which gradually shrinks, the outer walls of two sides of the large end part (433) are provided with a first slot (436) for inserting the inner end part of the inserted rod (51), the outer walls of two sides of the small end part (434) are provided with a second slot (437) for inserting the inner end part of the inserted rod (51), the inner end part of the inserted rod (51) is of a dome-shaped structure, and the shape of the inner side wall of the first slot (436) and the shape of the inner side wall of the second slot (437) are matched with the shape of the inner end part of the inserted rod (51).

2. Anti-theft device according to claim 1, characterized in that the arc-shaped projection (31) is provided at both ends with arc-shaped guide surfaces (33) which can be guided in cooperation with the locking mechanism in order to facilitate the entry of the locking mechanism into the holder (3).

3. Anti-theft device according to claim 1, characterized in that a number of circumferentially distributed bolt holes (25) are provided in the bottom plate (21).

4. Anti-theft device according to claim 1, characterized in that the inner bottom of the holder (3) is provided with a pair of counter-sunk holes (34).

5. Anti-theft device according to claim 1, characterized in that the end of the connecting rod (1) remote from the hinge seat (2) is fixed to a support seat (41) by means of a bolt (12).