CN111779386B - Structure of safety reinforced lock - Google Patents

Structure of safety reinforced lock Download PDF

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Publication number
CN111779386B
CN111779386B CN201910266993.XA CN201910266993A CN111779386B CN 111779386 B CN111779386 B CN 111779386B CN 201910266993 A CN201910266993 A CN 201910266993A CN 111779386 B CN111779386 B CN 111779386B
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China
Prior art keywords
lock
hole
piece
hook
screw
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Expired - Fee Related
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CN201910266993.XA
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Chinese (zh)
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CN111779386A (en
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萧玮
萧蓉
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Individual
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Individual
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05CBOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
    • E05C17/54Portable devices, e.g. wedges; wedges for holding wings open or closed

Abstract

The invention provides a structure of a safety reinforced lock, which is mainly formed by a lock catch body, a lock catch guide rod and a lock catch hook sheet oppositely; the invention is characterized in that the lock hook sheet is provided with a hook part which is clamped and hooked on the receiving sheet by the hook end of the lock hook sheet, and the lock hook sheet is provided with a hook part which is clamped and hooked on the receiving sheet by the hook end of the lock hook sheet.

Description

Structure of safety reinforced lock
Technical Field
The present invention relates to a structure of a safety reinforced lock, and more particularly, to an innovative structural design for enhancing the functionality of a second lock.
Background
Most of the existing public living space doors are locked in the bolt holes of the door walls by a door plate through bolts, but the door plate locking mode has the defect that when a bad person unlocks the door by copying the diameter of a key or prizes the door lock with a tool, the existing door lock is easy to pry open, so that the bad person enters the interior, and property loss or personnel injury is caused. Therefore, the existing door lock (door locking efficiency) still has room for improvement.
In view of this, U.S. patent No. US6976716 discloses an inner lock piece structure as shown in fig. 1, which comprises a buckle piece having a plurality of buckle holes disposed on the surface thereof, a buckle slot disposed at the bottom of the inner edge of each buckle hole, a lock tongue hole disposed at one end thereof, a limit portion protruding from the upper and lower ends of the lock tongue hole, a connecting hole disposed at the other end of the buckle piece for connecting a connecting ring, the connecting ring connecting a connecting cable and being assembled with a connecting guide hole of a lock fastener, a sliding slot disposed in the buckle piece for allowing the sliding end of a lock fastener to slide therethrough, a lock groove disposed at the other end of the lock fastener, wherein the lock tongue hole of the buckle piece is positioned at the receiving opening of the door frame when in use, the limit portion is limited and stopped at the corresponding position of the upper and lower inner slots of the receiving opening, the lock groove of the lock fastener of the door is locked at the door, and the lock groove is locked in the buckle hole, and the door is pressed against the side edge of the lock fastener, forming a second lock; however, the limit stop part of the prior buckle sheet is arranged by an upper sheet body and a lower sheet body, so that the limit of the size of the accepting sheet of different hotels is easy to limit and the buckle sheet cannot be used universally; furthermore, the existing lock catch element is only forced to bear against the door panel in a single way, and does not have a blocking structure design which is forced to bear against the door panel and the door frame in two ways at the same time, so that the existing lock catch element is easy to fall off due to clearance motion caused by impact of external force, and the existing inner lock catch element has no effect on the nominal lock catch element.
Therefore, in order to solve the above problems of the conventional structure, how to develop an innovative structure with more ideal practicability, which is the invalids of consumers (especially those who live out for a short time), is also the goal and direction of the related manufacturers to make research and development breakthroughs. Therefore, the inventor knows that many bad people in the society pry the door lock to enter the door to steal property or cause injury of internal personnel and other events frequently discovered by news media or network information.
Disclosure of Invention
That is, the main object of the present invention is to provide a structure of a security reinforced lock; the problem to be solved is that the limit stop part arranged on the buckle piece of the existing structure is arranged by an upper piece body and a lower piece body, so that the sizes of the accepting pieces of different hotels are easily limited and the buckle piece cannot be used universally; furthermore, the existing lock catch part is only in a design of a blocking structure which is forced to bear the force on the door panel in a single way and is not forced to bear the force on the door panel and the door frame in two ways at the same time, and the existing lock catch part is easy to fall off due to clearance motion caused by impact of external force, so that the existing inner lock catch part and a nominal part have no problem of action and are improved and broken through;
in order to achieve the purpose, the invention adopts the technical scheme that:
a structure of a safety strengthening lock is mainly applied to the reverse locking of a hooking part of a receiving piece of a door frame; it is characterized by comprising:
a lock buckle body, which is mutually and elastically pivoted by two elastic buckle plates, wherein the tail end of each elastic buckle plate is respectively provided with a butting end, a notch is arranged between the butting ends, the opposite pivoting positions of the two elastic buckle plates are provided with a pivot part, the pivot part penetrates through the two elastic buckle plates and is internally provided with a torsion spring, the other ends of the two elastic buckle plates are oppositely provided with a connecting end, the preset position of the connecting end forms a screw guiding assembly groove, and the inner edge of the screw guiding assembly groove forms a screw guiding edge part;
a lock guide rod comprising a guide stud and a driving handle connected to the rear end of the guide stud, wherein the guide stud is inserted into the guide screw assembly slot of the lock body corresponding to the guide screw, and comprises a screw thread portion and a screw thread gap formed between the screw thread portions, and the screw thread gap can be screwed into the guide screw edge portion of the guide screw assembly slot, and is continuously guided and rotated by the driving handle, so that the screw thread portion can be screwed to advance through the guide screw assembly slot; the tail end of the lock catch guide rod is provided with an embedding and buckling end, and an embedding and buckling space is arranged in the embedding and buckling end;
the lock catch hook piece is provided with two ends which are defined as a connecting end and a lock catch end respectively, wherein the connecting end is connected with the embedding end of the lock catch guide rod and is positioned in the embedding space, the lock catch end of the lock catch hook piece is used for being clamped and hooked on the hooking part of the receiving piece of the side wall door frame, and the lock catch end stretches into the hook part of the receiving piece of the side wall door frame to be locked reversely so as to achieve the function of forming a second lock on the door panel.
The structure of the safety strengthening lock is characterized in that: the embedded buckle end of the guide stud comprises a fixed column which is pivoted with a pivot column, the pivot column is combined with a connecting ring, an embedded opening is arranged at the preset position of the connecting ring, and the embedded opening can be used for the embedding connection of the connecting end of the lock buckle hook piece.
The structure of the safety strengthening lock is characterized in that: the connecting end of the embedded buckle hook piece is bent by 180 degrees to be in a circular arc hook shape, and the lock hook end is also bent by 180 degrees to be in a circular arc hook shape.
The structure of the safety strengthening lock is characterized in that: the connecting end of the embedded buckle hook sheet is bent by 180 degrees to be in an arc hook shape; in addition, the locking hook end is vertically bent to be flat and straight, and a locking hook lug is convexly arranged on the inner wall of the locking hook end at a corresponding position.
The structure of the safety strengthening lock is characterized in that: the relative position of the guide stud of the lock catch guide rod and the lock catch body is blocked and limited by a blocking device.
The structure of the safety strengthening lock is characterized in that: the limit device comprises a limit seat, the center of the limit seat is provided with a through hole, the periphery is provided with a plurality of screw group holes, one side of the limit seat is provided with a group of openings for one end of a control handle to be assembled, one end of the control handle is provided with an actuating end at a corresponding position, one end of the limit seat is combined by a fixing plate, the fixing plate is provided with a through hole corresponding to each screw group hole of the limit seat, each through hole is fixed in each screw group hole of the limit seat by a plurality of screw pieces through the screw group, the fixing plate is also provided with a corresponding through hole corresponding to the through hole of the limit seat, the through hole and the through hole can be penetrated in the guide stud of the lock catch guide rod, the inner wall surface of the fixing plate is annularly provided with three groups of pivot posts in a protruding way, the preset position of the fixing plate is provided with a fixing hole for one group of elastic elements, and the other end of the elastic elements is provided with an elastic end, the elastic end is fixedly assembled in a guide hole of a rotary piece, one end of the rotary piece is provided with a driven hole, the driven hole is used for being connected with an actuating end of a control handle, the control handle is pressed to rotate the rotary piece to rotate for a micro-rotation angle, the elastic end of the elastic element is driven to compress when the rotary piece rotates, the control handle is released to enable the rotary piece to elastically reset, the rotary piece is provided with a combined part in a long slotted hole shape corresponding to the three pivot posts of the fixing plate, the center of the rotary piece and the penetrating hole of the limiting seat are provided with a central hole, each combined part guide group is enabled to be capable of biasing with clearance in the pivot posts, when the three pivot posts extend out of the three combined parts of the rotary piece, the rotary piece is further pivoted in a pivot hole of a three claw piece contained in a clamping jaw group, one end of each claw piece is respectively provided with a group of end, the rotary piece is respectively provided with three groups of recesses corresponding to each group of each claw piece, and the group of recesses are assembled in the group of each group of claws, the tail end of the three-jaw piece is respectively provided with a jaw tooth, a clamping space is defined between the jaw teeth, the clamping space is just aligned to the penetrating hole positioned on the limit stop seat, and each group of ends of the three-jaw piece can control the rotating piece by virtue of the control handle, so that the rotating piece enables the three-jaw teeth to expand or contract relative to the clamping space by virtue of rotating deflection, and further clamps and limits the guide stud fixed on the lock catch guide rod.
The structure of the safety strengthening lock is characterized in that: the two elastic buckle plates of the lock catch body can be relatively compressed into a smaller volume shape, a fixed end is arranged at a preset position of one elastic buckle plate to be connected with one end of a containing belt, the other end of the containing belt is provided with a connecting end, a connecting part is arranged at the opposite position of the other elastic buckle plate, and the connecting end is connected and fixed at the connecting part when the two elastic buckle plates are relatively pressed.
The structure of the safety strengthening lock is characterized in that: the connecting end and the connecting part are in the shape of a Velcro felt.
The invention is characterized in that the front end of the door plate and the front end of the side wall door frame are buckled on the buckling part of the receiving piece by the buckling end of the buckling hook piece when the invention is used for further buckling the spring bolt between the door plate and the side wall door frame relative to the spring bolt hole, so that the invention can strengthen the stability of the limit by respectively pressing the double pressing ends of the two elastic buckling plates to the two-way pressing of the door plate and the side wall door frame in addition to the basic locking function of the spring bolt locked in the spring bolt hole of the side wall door frame.
Drawings
Fig. 1 is a perspective view of a conventional inner locking piece structure.
Fig. 2 is an exploded perspective view showing the structure of the security reinforcing lock of the present invention.
Fig. 3 is an assembled perspective view of the structure of the security reinforcing lock of the present invention.
Fig. 4 is a combined perspective view of another angle of the structure of the security reinforced lock of the present invention.
Fig. 5 is an assembled sectional view showing the structure of the security reinforcing lock of the present invention.
Fig. 6 is a first cross-sectional view of the security reinforcing lock according to the present invention.
FIG. 7 is a second cross-sectional view of the security enhancing lock of the present invention.
Fig. 8 is a sectional view showing the forward operation of the structure of the security reinforcing lock of the present invention.
Fig. 9 is a perspective view showing the forward operation of the structure of the security reinforcing lock of the present invention.
Fig. 10 is an exploded perspective view of another embodiment of the structure of the safety enhancement lock of the present invention with a stop device.
Fig. 11 is a perspective view of another embodiment of the safety-enhancing lock of the present invention with a stop device.
Fig. 12 is an exploded view of another embodiment of the stopper of the structure of the safety reinforcing lock of the present invention.
Fig. 13 is a first operation diagram of another embodiment of the safety-enhancing lock of the present invention with a first gear-limiting device.
Fig. 14 is a second operation diagram of the safety enhancement lock of the present invention with a stop device.
FIG. 15 is a first operation diagram of the safety enhancing lock of the present invention with a storage belt attached thereto.
Fig. 16 is a second operation diagram of the safety enhancement lock according to another embodiment of the present invention with a gear limiting device.
Description of reference numerals: (conventional part) 60-inner locking piece; 61-a buckle piece; 611-bolt holes; 612-a limit stop; 613-buttonhole; 614-catching groove; 615-a bond hole; 62-connecting rope; 621-link ring; 63-a locking fastener; 631-a chute; 632-locking piece; 633-locking groove; 634-a slider end; 635-connecting the guide holes; [ invention ] 1-door panel; 2-a bolt; 3-side wall door frame; 4-bolt hole; 5-hook part; 6-a mouth-receiving tablet; 7-receiving opening part; 8-a guide piece; 10-a latch body; 11-an elastic buckle plate; 12-a pivot portion; 121-torsion spring; 13-butting end; 14-a notch; 15-lead screw group groove; 16-a lead screw edge portion; 17-a link end; 20-a locking guide rod; 21-a drive handle; 22-a lead screw; 23-thread clearance; 24-a thread portion; 25-a snap-fit end; 26-fixed columns; 27-a pivot post; 28-link ring; 29-a snap space; 291-rabbet; 30-locking hook piece; 31-a link end; 32-a locking hook end; 33-locking hook end; 34-a locking hook tab; 40-a gear limiting device; 41-limit stop seat; 411-bolt group hole; 412-a through hole; 413-group port; 414-control handle; 415-an actuation end; 42-a jaw set; 421-claw member; 422-group end; 423-pivot hole; 424-pawl teeth; 425-a clamping space; 43-rotating member; 431-driven hole; 432-pilot hole; 433-a combining section; 434-a central hole; 435-group of concave; 44-a resilient element; 441-an elastic end; 442-fixed end; 45-fixing plate; 451-fixation holes; 452-a pivot post; 453-through hole; 454-a through hole; 455-thread member; 50-fixed end; 51-a storage belt; 52-a link end; 53-connecting part.
Detailed Description
Referring to fig. 2-9, there are shown preferred embodiments of the structure of the security reinforced lock of the present invention, but these embodiments are only for illustrative purposes and the patent application is not limited by the structure, which includes:
a structure of a safety strengthening lock is mainly applied to the reverse locking of a hooking part 5 of a receiving sheet 6 of a door frame; the method comprises the following steps:
a lock catch body 10, by means of two elastic buckle plates 11 mutually elastic pivot set to construct, the end position of each elastic buckle plate 11 has a resisting end 13 separately, set up a notch 14 between each resisting end 13, the notch 14 provides the guide sheet 8 which evades the protrusion of the sidewall doorframe 3 and the door plank 1, the relative pivot position of the two elastic buckle plates 11 sets up a pivot portion 12, the pivot portion 12 runs through the inside of the two elastic buckle plates 11 and disposes a torsion spring 121, another end of the two elastic buckle plates 11 sets up a connecting end 17 relatively, the preset position of the connecting end 17 forms a lead screw group trough 15, the inner edge of the lead screw group trough 15 forms a lead screw part 16;
a lock guide rod 20, including a guide screw bolt 22 and a driving handle 21 connected to the rear end of the guide screw bolt 22, wherein the guide screw bolt 22 is inserted into the guide screw bolt slot 15 of the lock body 10 corresponding to the guide screw bolt, wherein the guide screw bolt 22 includes a screw thread portion 24 and a screw thread gap 23 formed between the screw thread portions 24, the screw thread gap 23 can be matched with the screw thread portion 16 of the guide screw bolt slot 15, and continuously guided and rotated by the driving handle 21, so that the screw thread portion 24 can advance through the guide screw bolt slot 15; the end of the locking guide rod 20 is provided with an embedding end 25, and the embedding end 25 is provided with an embedding space 29; wherein the inserting and buckling end 25 of the guiding stud 22 comprises a fixing post 26 pivoted with a pivoting post 27, the pivoting post 27 is combined with a connecting ring 28, a predetermined position of the connecting ring 28 is provided with an inserting opening 291, and the inserting opening 291 can be used for inserting and connecting the connecting end 31 of the locking hook piece 30;
a locking hook piece 30, which has two ends respectively defined as a connecting end 31 and a locking end 32, wherein the connecting end 31 is connected to the embedding end 25 of the locking guide rod 20 and is positioned in the embedding space 29, the locking end 32 of the locking hook piece 30 is used for being clamped and hooked on the hooking part 5 of the receiving opening piece 6 of the side wall door frame 3, and the locking end 32 extends into the hooking part 5 of the receiving opening piece 6 of the side wall door frame 3 for reverse locking, so as to achieve the function of forming a second lock on the door panel 1. Wherein the connecting end 31 of the buckle hook piece is bent by 180 degrees and is in a circular arc hook shape, and the lock hook end 32 is also bent by 180 degrees and is in a circular arc hook shape; or the lock hook end 33 is vertically bent to be flat, a lock hook lug 34 is convexly arranged at a relative position of the inner wall of the lock hook end 33, and the lock hook lug 34 can be buckled and positioned at a relative position of the lock tongue hole 4 and the receiving sheet 6 between the door panel 1 and the side wall door frame 3;
as shown in fig. 6-9, when the present invention is to be used for further locking the bolt 2 between the door panel 1 and the door frame 3, the locking hook 30 is advanced to align the position of the bolt hole 4, wherein the door frame 3 inside the bolt hole 4 has a receiving opening 6, the receiving opening 6 has a receiving opening 7 corresponding to the bolt hole 4, the receiving opening 7 has a hook portion 5 facing the indoor end of the door panel 1, the front edge of one end of the receiving opening 6 has a curved guiding plate 8, after the door is closed, the locking hook end 32 is hooked on the hook portion 5 of the receiving opening 6, the thread portion 24 of the guiding stud 22 is screwed into the guiding screw groove 15 of the locking body 10, the inserting opening 291 of the inserting end 25 is longitudinally inserted into the connecting end 31 of the locking hook 30, the locking guide rod 20 is displaced toward the guiding screw, and simultaneously the door frame 13 of the locking body 10 is pressed against the position of the door frame 3, thus, the front end of the door panel 1 and the front end of the side wall door frame 3 are hooked on the hooking part 5 of the receiving opening 6 by the locking hook end 32 of the locking hook piece 30, so that the door panel 1 is locked on the side wall door frame 3 by the locking hook piece 30 and the hooking part 5 of the receiving opening 6 of the side wall door frame 3 is reversely locked by the locking hook piece 30 except the basic locking function that the lock tongue 2 is locked in the lock tongue hole 4 of the side wall door frame 3, and the functionality of the second lock that the door panel 1 is locked on the side wall door frame 3 is achieved.
As shown in fig. 10 to 14, it is another embodiment of the present invention, wherein the relative position between the screw guiding column 22 of the locking guiding rod 20 and the locking body 10 can be limited by a limiting device 40; the limit stop device 40 includes a limit stop seat 41, the center of the limit stop seat 41 is provided with a through hole 43, the periphery is provided with a plurality of screw holes 42, one side of the limit stop seat 41 is provided with a group of openings 413, the group of openings 413 is provided for one end of a control handle 414 to be assembled, one end of the control handle 414 is provided with an actuating end 415 at a relative position, one end of the limit stop seat 41 is combined by a fixing plate 45, the fixing plate 45 is provided with a through hole 454 corresponding to each screw hole 42 of the limit stop seat 41, each through hole 454 is fixed in each screw hole 42 of the limit stop seat 41 by a plurality of screws 455 through screw groups, the fixing plate 45 is also provided with a corresponding through hole 453 corresponding to the through hole 43 of the limit stop seat 41, the through hole 43 and the through hole 453 can be provided for the guide screw column 22 of the guide rod 20 to pass through, the inner wall surface of the fixing plate 45 is annularly provided with three groups of pivot columns 452, and a predetermined position of the fixing plate 45 is provided with a fixing hole 451, the fixing hole 451 is used for assembling a fixing end 442 of a ring-shaped elastic element 44, the other end of the elastic element 44 is provided with an elastic end 441, the elastic end 441 is fixedly assembled in a guiding hole 432 of a rotating element 43, one end of the rotating element 43 is provided with a driven hole 431, the driven hole 431 is used for connecting with a driving end 415 of a control handle 414, the control handle 414 is pressed to rotate the rotating element 43 for a micro-rotation angle, the elastic end 441 of the elastic element 44 is driven to compress during the rotation, the control handle 414 is released to make the rotating element 43 elastically reset, the rotating element 43 is provided with a combination portion 433 in a long slot hole shape corresponding to the three pivot posts 452 of the fixing plate 45, a central hole 434 is arranged at the center of the rotating element 43 and the penetrating hole 43 of the limiting seat 41, each combination portion 433 is guided and assembled in the pivot post 452 for clearance movement, and the three pivot posts 452 extend out of the three combination portions 433 of the rotating element 43, the clamping device is further pivotally assembled in a pivot hole 423 of a three-jaw member 421 included in a clamping jaw set 42, one end of each jaw member 421 is respectively provided with a set of ends 422, the rotating member 43 is respectively provided with three sets of recesses 435 corresponding to the sets of ends 422 of each jaw member 421, the sets of recesses 435 are assembled in the sets of ends 422, the ends of the three-jaw members 421 are respectively provided with a jaw tooth 424, a clamping space 425 is defined between the jaw teeth 424, the clamping space 425 is just opposite to the through hole 43 of the limiting seat 41, each set of ends 422 of the three-jaw members 421 can control the rotating member 43 by means of the control handle 414, so that the rotating member 43 is rotationally biased to enable the three-jaw teeth 424 to be rotationally expanded or inwardly contracted relative to the clamping space 425, and further clamp the guide screw column 22 fixed or loosely placed on the lock rod 20.
As shown in fig. 15-16, it is another embodiment of the present invention, wherein the two elastic buckle plates 11 of the lock buckle body 10 can be compressed into a smaller volume shape by relative inward compression, a fixed end 50 is provided at a predetermined position of one of the elastic buckle plates 11 for connecting one end of a storage belt 51, a connecting end 52 is provided at the other end of the storage belt 51, a connecting portion 53 is provided at a relative position of the other elastic buckle plate 11, the connecting end 52 is connected and fixed to the connecting portion 53 when the two elastic buckle plates 11 are pressed against each other, and the connecting end 52 and the connecting portion 53 can be in a velcro shape.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (8)

1. A structure of a safety strengthening lock is mainly applied to the reverse locking of a hooking part of a receiving piece of a side wall door frame; it is characterized by comprising:
a lock buckle body, which is mutually and elastically pivoted by two elastic buckle plates, wherein the tail end of each elastic buckle plate is respectively provided with a butting end, a notch is arranged between the butting ends, the opposite pivoting positions of the two elastic buckle plates are provided with a pivot part, the pivot part penetrates through the two elastic buckle plates and is internally provided with a torsion spring, the other ends of the two elastic buckle plates are oppositely provided with a connecting end, the preset position of the connecting end forms a screw guiding assembly groove, and the inner edge of the screw guiding assembly groove forms a screw guiding edge part;
a lock guide rod comprising a guide stud and a driving handle connected to the rear end of the guide stud, wherein the guide stud is inserted into the guide screw assembly slot of the lock body corresponding to the guide screw, and comprises a screw thread portion and a screw thread gap formed between the screw thread portions, and the screw thread gap can be screwed into the guide screw edge portion of the guide screw assembly slot, and is continuously guided and rotated by the driving handle, so that the screw thread portion can be screwed to advance through the guide screw assembly slot; the tail end of the lock catch guide rod is provided with an embedding and buckling end, and an embedding and buckling space is arranged in the embedding and buckling end;
the lock catch hook piece is provided with two ends which are defined as a connecting end and a lock catch end respectively, wherein the connecting end is connected with the embedding end of the lock catch guide rod and is positioned in the embedding space, the lock catch end of the lock catch hook piece is used for being clamped and hooked on the hooking part of the receiving piece of the side wall door frame, and the lock catch end stretches into the hook part of the receiving piece of the side wall door frame to be locked reversely so as to achieve the function of forming a second lock on the door panel.
2. The structure of a security-enhancing lock as claimed in claim 1, wherein: the embedded buckle end of the guide stud comprises a fixed column which is pivoted with a pivot column, the pivot column is combined with a connecting ring, an embedded opening is arranged at the preset position of the connecting ring, and the embedded opening can be used for the embedding connection of the connecting end of the lock buckle hook piece.
3. The structure of a security-enhancing lock as claimed in claim 1, wherein: the connecting end of the embedded buckle hook piece is bent by 180 degrees to be in a circular arc hook shape, and the lock hook end is also bent by 180 degrees to be in a circular arc hook shape.
4. The structure of a security-enhancing lock as claimed in claim 1, wherein: the connecting end of the embedded buckle hook sheet is bent by 180 degrees to be in an arc hook shape; in addition, the lock hook end is vertically bent to be flat and straight, and a lock hook lug is convexly arranged on the inner wall of the lock hook end at a corresponding position.
5. The structure of a security-enhancing lock as claimed in claim 1, wherein: the relative position of the guide stud of the lock catch guide rod and the lock catch body is blocked and limited by a blocking device.
6. The structure of a security-enhancing lock of claim 5, wherein: the limit device comprises a limit seat, a through hole is arranged in the center of the limit seat, a plurality of screw group holes are arranged on the periphery of the limit seat, a group of openings are arranged on one side of the limit seat, one end of a control handle is assembled in the group of openings, an actuating end is arranged at the opposite position of one end of the control handle, one end of the limit seat is combined by a fixing plate, a through hole is arranged at the position of the fixing plate corresponding to each screw group hole of the limit seat, each through hole is fixed in each screw group hole of the limit seat by a plurality of screw pieces through the screw group, the fixing plate is also provided with an opposite through hole corresponding to the limit seat, the through hole and the through hole can be arranged in the guide stud of the lock catch guide rod, three groups of pivot posts are annularly distributed on the inner wall surface of the fixing plate, a fixing hole is arranged at the preset position of the fixing plate, the fixing hole is used for assembling a fixed end of a shape elastic element, and the other end of the elastic element is provided with an elastic end, the elastic end is fixedly assembled in a guide hole of a rotary piece, one end of the rotary piece is provided with a driven hole which is used for being connected with an actuating end of a control handle, the control handle is pressed to rotate the rotary piece to rotate for a micro-rotation angle, the elastic end of the elastic element is driven to compress when the rotary piece rotates, the control handle is released to enable the rotary piece to elastically reset, the rotary piece is provided with combined parts in a long slotted hole shape corresponding to the three groups of pivot columns of the fixing plate, the center of the rotary piece and the penetrating hole position of the limiting seat are provided with a central hole, each combined part guide group is enabled to be arranged in the pivot column for clearance bias, when the three groups of pivot columns penetrate out of the three combined parts of the rotary piece, the rotary piece is further pivoted in a pivot hole of a three-jaw piece contained in a clamping jaw group, one end of each rotary piece is respectively provided with a group of ends, the rotary piece is respectively provided with three groups of recesses corresponding to each group of jaw piece, and the group of the recesses are respectively arranged in the group of the rotary piece, the tail end of the three-jaw piece is respectively provided with a jaw tooth, a clamping space is defined between the jaw teeth, the clamping space is just aligned to the penetrating hole positioned on the limit stop seat, and each group of ends of the three-jaw piece can control the rotating piece by virtue of the control handle, so that the rotating piece enables the three-jaw teeth to expand or contract relative to the clamping space by virtue of rotating deflection, and further clamps and limits the guide stud fixed on the lock catch guide rod.
7. The structure of a security-enhancing lock as claimed in claim 1, wherein: the two elastic buckle plates of the lock catch body can be relatively compressed into a smaller volume shape, a fixed end is arranged at a preset position of one elastic buckle plate to be connected with one end of a containing belt, the other end of the containing belt is provided with a connecting end, a connecting part is arranged at the opposite position of the other elastic buckle plate, and the connecting end is connected and fixed at the connecting part when the two elastic buckle plates are relatively pressed.
8. The structure of a security-enhancing lock of claim 7, wherein: the connecting end and the connecting part are in the shape of a Velcro felt.
CN201910266993.XA 2019-04-03 2019-04-03 Structure of safety reinforced lock Expired - Fee Related CN111779386B (en)

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CN201910266993.XA CN111779386B (en) 2019-04-03 2019-04-03 Structure of safety reinforced lock

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CN111779386A CN111779386A (en) 2020-10-16
CN111779386B true CN111779386B (en) 2021-10-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US576467A (en) * 1897-02-02 Door or window fastener
US874688A (en) * 1907-10-17 1907-12-24 Gaston Lacomme Door-fastener.
US4429913A (en) * 1981-02-17 1984-02-07 Lena Bey Sleeve type door securing device
US6409236B1 (en) * 2000-05-18 2002-06-25 Derek D. Steele Portable door lock
CN2923938Y (en) * 2006-06-27 2007-07-18 王恩 Indoor safety lock

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US576467A (en) * 1897-02-02 Door or window fastener
US874688A (en) * 1907-10-17 1907-12-24 Gaston Lacomme Door-fastener.
US4429913A (en) * 1981-02-17 1984-02-07 Lena Bey Sleeve type door securing device
US6409236B1 (en) * 2000-05-18 2002-06-25 Derek D. Steele Portable door lock
CN2923938Y (en) * 2006-06-27 2007-07-18 王恩 Indoor safety lock

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