CN212614206U - Anti-prying folding lock - Google Patents

Abstract

The utility model relates to a pick-proof folding lock, including tapered end and folding chain, the tapered end contains the lock shell of integrative setting, be equipped with the lock core in the lock shell, lock seat and lock floodgate, lock core and lock floodgate rotate the setting in the lock seat in step, the one end of folding chain is articulated with the lock shell, the other end is the mortise lock end, the mortise lock is served and is equipped with the locking piece, be equipped with on the lock shell and supply the lock seat to insert the first socket in the lock shell, be equipped with on the lock shell and supply the locking piece to insert the first lockhole of establishing, it is equipped with the second lockhole to correspond first lockhole department on the lock seat, be equipped with the lock chamber that switches on the setting with the second lockhole in the lock seat, the lock floodgate is located in the lock chamber, the one end that the locking piece inserted the lock chamber is equipped with the annular extension that restriction lock seat breaks away from the lock shell, be equipped. Adopt above-mentioned technical scheme, solved the lock shell of current folding lock and formed closed lock shell through welding or riveting for the problem that the usable instrument of thief prizes the lock from the junction.

Description

Anti-prying folding lock

Technical Field

The utility model relates to a lock field especially indicates a pick-proof folding lock.

Background

The folding lock is popular because of the advantages of being movable, foldable and convenient to carry.

A utility model with the patent number "CN 201510175155.3" discloses a folding lock, the structure of the lock comprises a lock body and a plurality of sections of strip-shaped folding pieces made of rigid materials, wherein the lock body comprises a lock core, a lock gate and a lock shell, the lock core is rotatably arranged in the lock shell, the folding pieces are sequentially hinged end to form a folding chain, one end of the folding chain is connected with the lock body, the other end of the folding chain is a latch end, a lock brake accommodating cavity is arranged in the lock body, the lock brake is axially and slidably arranged in the lock brake accommodating cavity, a linkage structure for converting the rotary motion of the lock core into the axial motion of the lock gate is arranged between the lock core and the lock gate, a radial jack in clearance fit with the mortise lock end of the folding chain is arranged on the cylindrical surface of the lock head body, the jack is positioned in front of the axial motion of the lock gate and is communicated with the lock gate accommodating cavity, and the mortise lock end of the folding chain is provided with a lock gate mortise cavity matched with the end part of the lock gate; the lock comprises a lock shell, a lock cylinder, a lock gate, a lock core, a lock shell, an outer shell and a lock brake, wherein the lock shell is sleeved with the cylindrical lock head shell, an inner cavity of the lock head shell simultaneously forms a lock shell accommodating cavity and a lock brake accommodating cavity, the lock core and the lock shell are arranged in the inner cavity of the lock head shell, the lock brake is integrally in a stepped shaft shape, one end with a larger diameter is arranged in the inner cavity of the lock head shell towards the lock core, the outer shell; the surface of the lock brake is provided with an axial groove, the corresponding position on the inner cavity wall of the lock head shell is provided with an axial convex rib, and the axial convex rib is in clearance fit with the axial groove to ensure that the lock brake is circumferentially limited and axially arranged in a sliding manner; the end face of the lock gate opposite to the lock cylinder is provided with a round hole matched with the gap of the end part of the lock cylinder, the wall of the round hole is provided with a spiral groove, the cylindrical surface of the end part of the lock cylinder is provided with a protruding linkage pin, the end part of the lock cylinder is inserted into the round hole of the lock gate, and the linkage pin is matched in the spiral groove to form the linkage structure.

By adopting the technical scheme, the following problems exist: in order to facilitate the lock head shell to be arranged in the shell, one end of the shell is always provided with a socket for the lock head shell to be inserted, in order to realize the sealing of the two ends of the shell, the sealing of the lock shell is generally realized through a welding or riveting mode, once the welding or riveting end is pried by a thief, the joint of the lock gate and the mortise lock end can be damaged, so that the folding lock is damaged, and the loss of articles using the folding lock is caused.

Disclosure of Invention

The utility model aims at: in order to overcome the lock shell of current folding lock and form closed lock shell through welding or riveting for the available instrument of thief carries out the defect of picking the lock from the junction, the utility model provides a pick-proof folding lock.

The technical scheme of the utility model: a pick-proof folding lock comprises a lock head and a plurality of sections of strip-shaped folding pieces, wherein the lock head comprises a lock shell, a lock core and a lock seat are arranged in the lock shell, the lock core is rotatably arranged in the lock seat, the sections of folding pieces are sequentially hinged end to form a folding chain, one end of the folding chain is hinged with the lock shell, the other end of the folding chain is a locking end, the anti-picking folding lock is characterized in that a lock block is arranged on the locking end, the lock shell is integrally arranged, a first inserting hole for the lock seat to be inserted into the lock shell is arranged on the lock shell, a first lock hole for the lock block to be inserted into the lock shell is arranged on the lock shell, a second lock hole is arranged on the lock seat corresponding to the first lock hole, the first lock hole and the second lock hole are communicated, a lock cavity for the lock block to be inserted into the lock seat is arranged in the lock seat, the lock cavity is communicated with the second lock hole, and, when the locking piece is inserted into the locking cavity, the annular extending part is hooked on the inner wall of the locking cavity, a locking gate is arranged in the locking cavity in a rotating mode, the locking gate and the lock cylinder rotate synchronously, a locking piece is arranged on the locking gate, and when the locking piece is locked, the locking piece limits the locking piece to be separated from the locking cavity.

By adopting the technical scheme, when the folding lock is in a locking state, the lock block is positioned in the lock cavity, the lock gate is driven by the lock cylinder to rotate, the lock gate drives the locking piece to lock the lock block in the lock cavity, a thief is prevented from picking the lock, and then the annular extending part at one end of the lock block inserted in the lock cavity is hooked on the inner wall of the lock cavity, so that the lock seat is fixed in the lock shell, and the thief is further prevented from picking the lock.

The utility model discloses a further setting again: the lock shell is provided with a screw or a pin for limiting the lock base to be separated from the lock shell, the lock shell is provided with a first through hole for inserting the screw or the pin, and the lock base is provided with a second through hole for inserting the screw or the pin corresponding to the first through hole.

Adopt above-mentioned further setting again, be in the state of unblanking at the folding lock, the locking piece breaks away from the lock chamber, is fixed in the lock shell through screw or pin with the lock seat in, avoids lock seat roll-off lock shell.

The utility model discloses a further setting again: the lock base is provided with a second socket for inserting the lock cylinder into the lock base, the second socket is fixedly connected with a lock cover for limiting the lock cylinder to be separated from the lock base, and the fixed connection position is located in the lock shell.

By adopting the above further arrangement, the lock cover and the lock base are fixedly connected into a whole and inserted into the lock shell, and the fixed connection position of the lock cover and the lock base is arranged in the lock shell, so that a thief is prevented from picking the lock from the lock cover.

The utility model discloses a still further set up: the lock core is provided with a convex block or a slot, the lock brake is provided with a slot or a convex block for the convex block or the slot to be inserted, and the convex block or the slot is inserted into the slot or the convex block to form the synchronous rotating device.

By adopting the above further arrangement, the lock cylinder can drive the lock brake to rotate conveniently.

The utility model discloses a still further set up: the locking piece is used for controlling the opening or closing of the second lock hole.

Adopt above-mentioned still further setting, when the second lockhole is closed to the locking piece, the locking piece is restricted in the lock intracavity, also avoids simultaneously that the thief picks the lock from the second lockhole.

The utility model discloses a still further set up: and a dustproof cover is arranged between the lock cover and the lock cylinder in a pressing mode.

By adopting the above further arrangement, external dust is prevented from entering the lock cylinder to influence the rotation of the lock cylinder.

The utility model discloses a still further set up: the locking piece is crescent extension piece, annular extension portion is for extending the circular-arc of piece looks adaptation.

By adopting the above further arrangement, the lock brake can rotate to drive the locking piece to close the second lock hole, so that the projection is limited to be separated from the lock cavity, the folding lock is locked, and a thief is prevented from prying the lock.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention;

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

FIG. 3 is an expanded view of an embodiment of the present invention;

FIG. 4 is a cross-sectional view of an embodiment of the present invention;

FIG. 5 is a cross-sectional view of an embodiment of the present invention;

FIG. 6 is a view of the connection structure of the lock cover and the lock base according to the embodiment of the present invention;

fig. 7 is a connection structure diagram of the lock cylinder, the lock base and the lock block according to the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 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.

It should be noted that the description in the present invention as referring to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1-7, the utility model discloses a pick-proof folding lock, including tapered end 1 and a plurality of sections strip folded piece 21, tapered end 1 contains lock shell 11, be equipped with lock core 12 and lock seat 13 in the lock shell 11, lock core 12 rotationally sets up in lock seat 13, a plurality of sections folded piece 21 end to end articulated connection in proper order form folding chain 2, folding chain 2's one end and lock shell 11 are articulated, and the other end is mortise lock end 22, be equipped with locking piece 221 on the mortise lock end 22.

The lock base 13 is provided with a second inserting opening 131 for inserting the lock cylinder 12 into the lock base, the second inserting opening 131 is fixedly connected with a lock cover 14 for limiting the lock cylinder 12 to be separated from the lock base, the fixed connection position is located in the lock shell 11, and the fixed connection between the lock cover and the lock cylinder in this embodiment may be: the lock comprises a lock cover 14, a lock core 12, a lock cover 15, a lock bolt or a bolt, and a bonding and fixing connection.

The lock shell 11 is integrally arranged, a first inserting hole 111 for inserting the lock base 13 into the lock shell 11 is formed in the lock shell 11, a screw or a pin for limiting the lock base 13 to be separated from the lock shell 11 is arranged on the lock shell 11, a first through hole 112 for inserting the screw or the pin is formed in the lock shell 11, the lock base 13 corresponds to the first through hole 112, a second through hole 132 for inserting the screw or the pin is formed in the position of the first through hole, and the screw 17 is adopted in the embodiment.

The lock case 11 is provided with a first lock hole 113 for inserting the lock block 221 into the lock case 11, the lock base 13 is provided with a second lock hole 132 corresponding to the first lock hole 113, the first lock hole 113 and the second lock hole 132 are arranged in a communicating manner, the lock base 13 is provided with a lock cavity 133 for inserting the lock block 221, the lock cavity 133 and the second lock hole 132 are arranged in a communicating manner,

when the locking piece is inserted into the lock cavity 133, an annular extension 2211 is disposed at one end of the locking piece 221 inserted into the lock cavity 133, in this embodiment, a section between the annular extension and the lock insertion end is inserted into the first lock hole and the second lock hole, and the annular extension is hooked on the inner wall of the lock cavity to limit the lock holder from being separated from the lock case.

The internal rotation of lock chamber 133 is equipped with lock 16, lock 16 with lock core 12 synchronous rotation sets up, be equipped with lug or slot on the lock core 12, be equipped with on the lock 16 and supply lug or slot to insert slot or lug of establishing, lug or slot insert slot or lug form synchronous rotation sets up, in this embodiment, be equipped with lug 121 on the lock core 12, be equipped with on the lock 16 and supply picture lug 121 to insert the slot 161 of establishing, be equipped with the locking piece 162 that control second lockhole 132 was opened or was closed on the lock 16, when the locking, locking piece 162 restriction the lock piece 221 breaks away from lock chamber 133, in this embodiment, locking piece 162 is the extension piece of crescent, annular extension 2211 is for the circular-arc with extension piece looks adaptation, is convenient for the lock to rotate.

Claims (7)

1. A pick-proof folding lock comprises a lock head and a plurality of sections of strip-shaped folding pieces, wherein the lock head comprises a lock shell, a lock core and a lock seat are arranged in the lock shell, the lock core is rotatably arranged in the lock seat, the sections of folding pieces are sequentially hinged end to form a folding chain, one end of the folding chain is hinged with the lock shell, the other end of the folding chain is a locking end, the anti-picking folding lock is characterized in that a lock block is arranged on the locking end, the lock shell is integrally arranged, a first inserting hole for the lock seat to be inserted into the lock shell is arranged on the lock shell, a first lock hole for the lock block to be inserted into the lock shell is arranged on the lock shell, a second lock hole is arranged on the lock seat corresponding to the first lock hole, the first lock hole and the second lock hole are communicated, a lock cavity for the lock block to be inserted into the lock seat is arranged in the lock seat, the lock cavity is communicated with the second lock hole, and, when the locking piece is inserted into the locking cavity, the annular extending part is hooked on the inner wall of the locking cavity, a locking gate is arranged in the locking cavity in a rotating mode, the locking gate and the lock cylinder rotate synchronously, a locking piece is arranged on the locking gate, and when the locking piece is locked, the locking piece limits the locking piece to be separated from the locking cavity.

2. The anti-prying folding lock according to claim 1, wherein the lock case is provided with a screw or a pin for limiting the lock seat from being separated from the lock case, the lock case is provided with a first through hole for inserting the screw or the pin, and the lock seat is provided with a second through hole for inserting the screw or the pin corresponding to the first through hole.

3. The anti-prying folding lock according to claim 1 or 2, wherein a second inserting opening for inserting the lock cylinder into the lock base is formed in the lock base, a lock cover for limiting the lock cylinder from being separated from the lock base is fixedly connected to the second inserting opening, and the fixed connection position is located in the lock shell.

4. A tamper-resistant folding lock according to claim 1 or 2, wherein said lock core is provided with a projection or a slot, said lock gate is provided with a slot or a projection into which said projection or slot is inserted, and said projection or slot is inserted into said slot or projection to form said synchronous rotation arrangement.

5. An anti-picking folding lock as claimed in claim 1 or 2, wherein said locking member is adapted to control the opening or closing of the second locking hole.

6. An anti-picking folding lock according to claim 3, characterized in that a dust cover is pressed between said lock cover and said lock core.

7. An anti-picking folding lock according to claim 1 or 2, characterized in that said locking member is a crescent-shaped extension block, and said annular extension is arc-shaped adapted to the extension block.

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