CN220790908U - Drilling-proof door lock - Google Patents

Abstract

The utility model discloses an anti-drilling door lock, which relates to the technical field of mechanical locks and comprises a base, a lock cylinder, a rotating assembly, a pushing assembly, a lock cover and a handle, wherein the lock cover covers a bottom plate; one side of lock core is equipped with the lockhole, and one side cover that is provided with the lockhole on the lock core is equipped with the spacer, and the spacer is equipped with first through-hole, and first through-hole upper cover has the lockhole to prevent boring the piece, and the lockhole is prevented boring the piece and is equipped with the key hole, and key hole and lockhole intercommunication, lockhole prevent boring the piece protection lockhole, prevent that the lockhole from being destroyed by instrument violence such as electric drill, the spacer is equipped with lock core lid groove, and lock core lid groove inlays and is equipped with lock core lid and prevents boring the piece, and lock core lid prevents boring the part of piece protection lockhole beyond the lockhole, prevents that the lock core from being destroyed by instrument violence such as electric drill, improves the security performance of mechanical lock.

Description

Drilling-proof door lock

Technical Field

The utility model relates to the technical field of mechanical locks, in particular to an anti-drilling door lock.

Background

The mechanical lock is common safety guarantee equipment, the mechanical lock is easy to install and operate, and the like, and is widely used in the scenes such as families, businesses, industries and the like.

Disclosure of utility model

The utility model aims to at least solve one of the technical problems in the prior art, and provides an anti-drilling door lock, which prevents a lock cylinder of a mechanical lock from being violently damaged and improves the safety performance of the mechanical lock.

According to an embodiment of the present utility model, there is provided an anti-drilling door lock including:

the lock comprises a bottom plate, a lock cylinder, a rotating assembly, a pushing assembly, a lock cover and a handle, wherein the lock cover is covered on the bottom plate, the rotating assembly is connected with the bottom plate and the handle, the pushing assembly is positioned on the bottom plate and connected with the lock cylinder, and the lock cylinder drives the pushing assembly to move so as to lock and unlock the rotating assembly, so that locking and unlocking of the handle are realized;

One side of the lock cylinder is provided with a lock hole, one side of the lock cylinder provided with the lock hole is sleeved with a spacer bush, the spacer bush is provided with a first through hole, the lock hole is provided with a lock hole anti-drilling piece, the lock hole anti-drilling piece is covered on the first through hole, the lock hole anti-drilling piece is provided with a key hole, the key hole is communicated with the lock hole, the spacer bush is provided with a lock cylinder cover groove, and the lock cylinder cover groove is embedded with a lock cylinder cover anti-drilling piece.

The anti-drilling door lock has the following advantages: the embodiment is provided with an anti-drilling door lock, which comprises a base, a lock cylinder, a rotating assembly, a pushing assembly, a lock cover and a handle, wherein the lock cover is covered on a base plate; one side of lock core is equipped with the lockhole, and one side cover that is provided with the lockhole on the lock core is equipped with the spacer, and the spacer is equipped with first through-hole, and first through-hole upper cover has the lockhole to prevent boring the piece, and the lockhole is prevented boring the piece and is equipped with the key hole, and key hole and lockhole intercommunication, lockhole prevent boring the piece protection lockhole, prevent that the lockhole from being destroyed by instrument violence such as electric drill, the spacer is equipped with lock core lid groove, and lock core lid groove inlays and is equipped with lock core lid and prevents boring the piece, and lock core lid prevents boring the part of piece protection lockhole beyond the lockhole, prevents that the lock core from being destroyed by instrument violence such as electric drill, improves the security performance of mechanical lock.

According to the anti-drilling door lock disclosed by the utility model, the inner side surface of the locking hole anti-drilling sheet is provided with the cambered surface, a gap exists between the cambered surface and the locking hole, the locking hole is provided with the boss, the locking cover is pressed against the boss, and the locking hole anti-drilling sheet rotates and moves on the locking hole.

According to the anti-drilling door lock, the lock cylinder cover groove and the lock cylinder cover anti-drilling sheet are half-moon-shaped.

According to the drilling-resistant door lock, the rotating assembly comprises the steel head, the rotating piece and the spring seat, and the steel head, the rotating piece and the spring seat are sequentially stacked from bottom to top along the height direction.

According to the anti-drilling door lock disclosed by the utility model, the rotating piece is provided with the bayonet lock, the bayonet lock penetrates through the upper side and the lower side of the rotating piece, the rotating piece is provided with the moving groove, and the rotating piece is in sliding connection with the steel head.

According to the anti-drilling door lock disclosed by the utility model, the steel head is provided with the square column, the moving groove slides along the square column, the steel head is provided with the first bayonet, and the spring seat is provided with the second bayonet.

According to the anti-drilling door lock, the bottom plate is provided with the connecting hole and the rotating groove, and the rotating groove is provided with the clamping groove; the rotating piece slides to drive the two ends of the bayonet lock to be clamped in the first bayonet and the second bayonet respectively, the bayonet lock can move in the rotating groove, and the handle is in an unlocking state; the rotating piece slides to drive the bayonet lock to move into the draw-in groove, and the handle is in the locking state.

According to the anti-drilling door lock disclosed by the utility model, the steel head is provided with the square hole, the handle is provided with the threaded hole, the screw rod is inserted into the threaded hole to realize the installation connection of the steel head, the spring seat and the handle, and the head of the screw rod is clamped in the square hole to realize the rotation of the handle to drive the rotation assembly.

According to the drilling-resistant door lock disclosed by the utility model, the pushing assembly is provided with at least two clamping pieces, the clamping pieces are provided with mounting holes, the clamping pieces are provided with spring columns, a first spring is arranged between the two clamping pieces, and the first spring penetrates through the spring columns.

According to the drilling-resistant door lock disclosed by the utility model, the pushing component is provided with the first positioning piece and the second positioning piece which are stacked in the height direction and are connected to the bottom plate in a sliding manner, the first positioning piece and the second positioning piece are both provided with the guide holes, one sides of the first positioning piece and the second positioning piece are provided with the clamping keys, one sides of the first positioning piece and the second positioning piece, which are far away from the clamping keys, are provided with the torsional spring notch and the expansion surface, the clamping keys of the first positioning piece and the expansion surface of the second positioning piece are positioned on the same side, the clamping keys of the first positioning piece are clamped to the clamping pieces, and the second positioning piece moves to drive the expansion surface of the second positioning piece to move so as to realize the resetting of the first positioning piece and the second positioning piece.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is an exploded view of an anti-drilling door lock according to an embodiment of the present utility model;

FIG. 2 is a front view of an anti-drilling door lock according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of A-A of FIG. 2;

FIG. 4 is a bottom view of an anti-drilling door lock according to an embodiment of the present utility model;

FIG. 5 is an isometric view of an anti-drill door lock without a locking cap according to an embodiment of the present utility model;

FIG. 6 is a front view of a spacer according to an embodiment of the present utility model;

fig. 7 is a cross-sectional view of a keyhole drilling-preventing sheet in an embodiment of the utility model.

Reference numerals:

a base plate 100; a connection hole 110; a rotating groove 120; a card slot 121; column 130; a top block 140; a second through hole 141;

lock cylinder 200; a lock hole 210; spacer 220; a first through hole 221; a key cylinder cover slot 222; a keyhole drilling preventing piece 230; a key hole 231; a cambered surface 232; a boss 233; lock cylinder cover anti-drilling 240; pushing the core 250; a connector 260;

a rotating assembly 300; a steel head 310; square columns 311; a first bayonet 312; square holes 313; a rotating piece 320; a bayonet 321; a moving groove 322; spring seat 330; a second bayonet 331; a spring slot 332; a first notch 333; a second notch 334; a first torsion spring 340; a screw 350; thimble 360; a second spring 370;

pushing assembly 400; a detent 410; a mounting hole 411; a spring post 412; a first positioning piece 420; a guide hole 421; a card key 422; a torsion spring notch 423; an extension face 424; a second positioning piece 430; a first spring 440; a second torsion spring 450;

a locking cap 500;

A handle 600; a threaded bore 610.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, an embodiment of the present utility model provides an anti-drilling door lock, including a base plate 100, a lock core 200, a rotating assembly 300, a pushing assembly 400, a lock cover 500, and a handle 600, wherein the lock cover 500 covers the base plate 100, the rotating assembly 300 is connected to the base plate 100 and the handle 600, so that the handle 600 rotates to drive the rotating assembly 300 to rotate, the pushing assembly 400 is located on the base plate 100 and connected to the lock core 200, the lock core 200 drives the pushing assembly 400 to move to lock and unlock the rotating assembly 300, locking and unlocking of the handle 600 are achieved, a lock hole 210 is provided at one side of the lock core 200, a spacer 220 is sleeved at one side of the lock core 200 provided with the lock hole 210, a first through hole 221 is provided at the spacer 220, a lock hole anti-drilling piece 230 is covered at the first through hole 221, the lock hole anti-drilling piece 230 is provided with a key hole 231, the key hole 231 is communicated with the lock hole 210, the lock hole anti-drilling piece 230 is protected from being damaged by tools such as an electric drill, the spacer 220 is provided with a lock core cover groove 222, a cover anti-drilling piece 240 is embedded in the lock core groove 222, a part other than the protection of the lock hole is protected from the lock hole from being damaged by the electric drill, such as the lock core 200 is prevented from being damaged by the tool such as a violent tool, and the lock performance is improved.

Referring to fig. 1 and 7, optionally, lock cylinder 200 is connected with lock cover 500 through connecting piece 260, lock hole anti-drilling sheet 230 is equipped with cambered surface 232 on one side, cambered surface 232 and lock hole 210 have a clearance, cambered surface 232 reserves the clearance for the salient portion of lock hole 210, guarantee the installation of lock hole anti-drilling sheet 230, the cross-sectional shape of cambered surface 232 can be trapezoidal cross-section, lock hole anti-drilling sheet 230 is equipped with boss 233, lock cover 500 is pressed in boss 233, prevent that lock hole anti-drilling sheet 230 breaks away from the surface of lock hole 210, lock hole anti-drilling sheet 230 can rotate on lock hole 210 and move, lock hole anti-drilling sheet 230 guarantees that the key unblanks, simultaneously prevent that lock hole 210 from being damaged by the violence of tools such as electric drill, lock cylinder cover groove 222 and lock cylinder cover anti-drilling sheet 240 are half-moon shape, enlarge the area of protection lock cylinder 200 as far as possible, prevent lock cylinder 200 from being destroyed.

Referring to fig. 1 to 5, the pushing assembly 400 is provided with at least two clamping members 410, the clamping members 410 are provided with mounting holes 411, the clamping members 410 are provided with spring columns 412, a first spring 440 is arranged between the two clamping members 410, the first spring 440 penetrates through the spring columns 412, the base is provided with upright posts 130, the number of the upright posts 130 is at least two, the two upright posts 130 respectively penetrate through the mounting holes 411 of the two clamping members 410, and the two clamping members 410 can elastically rotate along the length direction of the first spring 440.

Referring to fig. 1 to 6, the pushing assembly (400) is provided with a first positioning piece (420) and a second positioning piece (430), the first positioning piece (420) and the second positioning piece (430) are provided with guide holes (421), the guide holes (421) are sleeved on the upright post (130) of the base in a penetrating mode, the first positioning piece (420) and the second positioning piece (430) are connected to the bottom plate (100) in a sliding mode, the guide holes (421) move along the upright post (130) in a sliding mode, one side of the first positioning piece (420) and one side of the second positioning piece (430) are provided with a clamping key (422), one side, far away from the clamping key (422), of the first positioning piece (420) and one side of the second positioning piece (430) are provided with a torsion spring notch (423) and an expansion surface (424), the clamping key (422) of the first positioning piece (420) and the expansion surface (424) of the second positioning piece (430) are stacked in the height direction, the clamping key (422) of the first positioning piece (420) and the expansion surface (424) are located on the same side, the first positioning piece (420) and the second positioning piece (430) are clamped with two ends of the torsion spring (450) and the second positioning piece (450) of the torsion spring (430) respectively, and the two ends of the torsion spring (450) and the first positioning piece (450) and the second positioning piece (430) are connected to the two ends.

Referring to fig. 1 to 3, the lock cylinder (200) is provided with a pushing core (250), the pushing core (250) is provided with at least two pushing cores (250) respectively abutted against the first positioning piece (420) and the second positioning piece (430), the key is inserted into the key hole (231) to rotate, the pushing core (250) pushes the first positioning piece (420) to move, under the elastic action of the first spring (440), the clamping piece (410) is clamped with the clamping key (422) of the first positioning piece (420), at this time, the first positioning piece (420) cannot be reset, the pushing core (250) pushes the second positioning piece (430), and the expansion surface (424) of the second positioning piece (430) is abutted against the clamping piece (410), so that the first positioning piece (420) and the second positioning piece (430) can be reset.

The spring seat 330 is provided with a spring groove 332, the spring groove 332 is provided with a first notch 333 and a second notch 334, a first torsion spring 340 is installed in the spring groove 332, two ends of the first torsion spring 340 are respectively clamped at the first notch 333 and the second notch 334, and the first torsion spring 340 achieves resetting of the handle 600.

The steel head 310 is provided with a first bayonet 312, the spring seat 330 is provided with a second bayonet 331, the rotating plate 320 is provided with a moving groove 322, the rotating plate 320 is in sliding connection with the steel head 310, the moving groove 322 slides along the square column 311, the rotating plate 320 is provided with a bayonet 321, the bayonet 321 penetrates through the upper side and the lower side of the rotating plate 320, the bottom plate 100 is provided with a connecting hole 110, the steel head 310 can rotate in the connecting hole 110, the bottom plate 100 is provided with a rotating groove 120, and the rotating groove 120 is provided with a bayonet 121.

The pushing core 250 pushes the first positioning piece 420 to move, the first positioning piece 420 pushes the rotating piece 320 to slide, the upper end and the lower end of the clamping pin 321 are respectively clamped at the first bayonet 312 and the second bayonet 331, the clamping pin 321 can move in the rotating groove 120, at this time, the rotating assembly 300 is in an unlocking state, and the handle 600 is in an unlocking state.

The bottom plate 100 is equipped with kicking block 140, kicking block 140 is equipped with the second through-hole 141, the one side butt that bayonet lock 321 was kept away from to rotation piece 320 has thimble 360, thimble 360 wears in second through-hole 141, be equipped with second spring 370 between thimble 360 and the kicking block 140, when first spacer 420 and second spacer 430 reset, thimble 360 promotes rotation piece 320 slip under the effect of second spring 370, bayonet lock 321 upper and lower both ends break away from first bayonet lock 312 and second bayonet lock 331, bayonet lock 321 removes to in the draw-in groove 121, rotation subassembly 300 is in the locking state this moment, handle 600 is in the locking state.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An anti-drilling door lock, comprising:

The lock comprises a bottom plate, a lock cylinder, a rotating assembly, a pushing assembly, a lock cover and a handle, wherein the lock cover is covered on the bottom plate, the rotating assembly is connected with the bottom plate and the handle, the pushing assembly is positioned on the bottom plate and connected with the lock cylinder, and the lock cylinder drives the pushing assembly to move so as to lock and unlock the rotating assembly, so that the locking and unlocking of the handle are realized;

The lock is characterized in that a lock hole is formed in one side of the lock cylinder, a spacer bush is sleeved on one side of the lock cylinder, the spacer bush is provided with a first through hole, the spacer bush is provided with a lock hole anti-drilling sheet, the lock hole anti-drilling sheet covers the first through hole, the lock hole anti-drilling sheet is provided with a key hole, the key hole is communicated with the lock hole, the spacer bush is provided with a lock cylinder cover groove, and the lock cylinder cover groove is embedded with a lock cylinder cover anti-drilling sheet.

2. The anti-drilling door lock according to claim 1, wherein: the inner side of the lock hole anti-drilling piece is provided with an arc surface, a gap exists between the arc surface and the lock hole, the lock hole is provided with a boss, the lock cover is pressed against the boss, and the lock hole anti-drilling piece is rotationally movable on the lock hole.

3. The anti-drilling door lock according to claim 2, wherein: the lock cylinder cover groove and the lock cylinder cover anti-drilling sheet are in a half-moon shape.

4. The anti-drilling door lock according to claim 1, wherein: the rotating assembly comprises a steel head, a rotating sheet and a spring seat, and the steel head, the rotating sheet and the spring seat are sequentially stacked from bottom to top along the height direction.

5. The anti-drilling door lock according to claim 4, wherein: the rotating piece is provided with a bayonet lock, the bayonet lock penetrates through the upper side and the lower side of the rotating piece, the rotating piece is provided with a moving groove, and the rotating piece is in sliding connection with the steel head.

6. The anti-drilling door lock according to claim 5, wherein: the steel head is provided with a square column, the moving groove slides along the square column, the steel head is provided with a first bayonet, and the spring seat is provided with a second bayonet.

7. The anti-drilling door lock according to claim 6, wherein: the bottom plate is provided with a connecting hole and a rotating groove, and the rotating groove is provided with a clamping groove; the rotating piece slides to drive the two ends of the bayonet lock to be respectively clamped in the first bayonet and the second bayonet, the bayonet lock can move in the rotating groove, and the handle is in an unlocking state; the rotating piece slides to drive the bayonet lock to move into the draw-in groove, the handle is in the locking state.

8. The anti-drilling door lock according to claim 7, wherein: the steel head is provided with a square hole, the handle is provided with a threaded hole, the screw is inserted into the threaded hole, the steel head, the spring seat and the handle are connected in a mounting mode, the screw head is clamped in the square hole, and the handle is driven to rotate by the rotation assembly.

9. The anti-drilling door lock according to claim 1, wherein: the pushing assembly is provided with at least two clamping pieces, each clamping piece is provided with a mounting hole, each clamping piece is provided with a spring column, a first spring is arranged between the two clamping pieces, and the first springs penetrate through the spring columns.

10. The anti-drilling door lock according to claim 9, wherein: the pushing assembly is provided with a first locating piece and a second locating piece, the first locating piece and the second locating piece are stacked along the height direction and are connected to the bottom plate in a sliding mode, the first locating piece and the second locating piece are provided with guide holes, one sides of the first locating piece and the second locating piece are provided with clamping keys, one sides of the first locating piece and the second locating piece, which are far away from the clamping keys, are provided with torsional spring notches and expansion faces, the clamping keys of the first locating piece and the expansion faces of the second locating piece are located on the same side, the clamping keys of the first locating piece are connected to the clamping pieces in a clamping mode, and the second locating piece moves to drive the expansion faces of the second locating piece to move so as to reset the first locating piece and the second locating piece.