CN210768211U

CN210768211U - Door lock

Info

Publication number: CN210768211U
Application number: CN201921311609.5U
Authority: CN
Inventors: 黄力
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-06-16
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a door lock has seted up a recess to one side on the cambered surface of spring bolt, rotationally is provided with one in the recess and prevents inserting the tongue, prevents inserting the rear end of tongue outer wall and forms a lug, prevents to insert and forms a draw-in groove on the outside that lies in the lug on the tongue outer wall, and the inner wall of lock shell catches on the lug when the spring bolt is released to one side and makes and prevent inserting the tongue rotation, makes the draw-in groove be located lock shell outer wall department, is provided with the rib on spring bolt and the corresponding plane of cambered surface to one side, relates to lock technical field. This lock sets up on oblique spring bolt and prevents inserting the tongue, prevent to form a lug and a draw-in groove on inserting the tongue, when oblique spring bolt locks, the draw-in groove is located the crack between door frame and the lock shell, when inserting article such as card from the crack, can directly block in the draw-in groove, make the card can't drive oblique spring bolt shrink along the oblique spring bolt of cambered surface extrusion of oblique spring bolt and realize unblanking, avoid lawless persons to open the lock from the outside and cause the potential safety hazard, the effect of locking is better, the security is higher, at the house, occasions such as hotel have very high use value.

Description

Door lock

Technical Field

The utility model relates to a tool to lock technical field, in particular to lock.

Background

The lock is a sealing device, which includes lock, key and its accessories, and is generally explained as "sealing device which can be opened by key", at present, besides the lock can be opened by key, it can also be opened by light, electricity, magnetism, sound and fingerprint, etc. The lockset not only is a protective article, but also has the functions of management and decoration.

The existing door lock generally comprises a main bolt and two inclined bolts, wherein an arc surface is arranged on the inclined bolts, when the door is closed, the arc surface of the inclined bolts is in contact extrusion with a door frame to enable the inclined bolts to contract to close the door, the inclined bolts are popped out under the action of a spring to realize locking after the door is closed, and a lot of people do not perform back locking after closing the door and only lock the door by the inclined bolts. Due to the cambered surface of the inclined lock tongue, a person can easily insert a steel sheet, a plastic card and the like into a gap between the door frame and the door plate, and the inclined lock tongue slides along the cambered surface of the inclined lock tongue to extrude the inclined lock tongue to retract so as to open the door, so that lawless persons can take the inclined lock tongue easily, and the safety is poor.

Therefore, how to realize setting up on oblique spring bolt and preventing inserting the structure, set up the draw-in groove on the cambered surface of oblique spring bolt for insert the card and also can't slide along oblique spring bolt cambered surface, can't promote oblique spring bolt withdrawal and realize the unblock, improve the locking effect of tool to lock, improve the security and be the technical problem who awaits the solution in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lock, aims at setting up on oblique spring bolt and prevents inserting the structure, sets up the draw-in groove in the cambered surface of oblique spring bolt for insert the card and also can't slide along oblique spring bolt cambered surface, can't promote oblique spring bolt withdrawal and realize the unblock, improve the effect of locking of tool to lock, improve the security.

The utility model provides a door lock, which comprises a lock shell, a main spring bolt pushing mechanism fixedly connected with the main spring bolt, a lock core matched with the main spring bolt pushing mechanism and an inclined spring bolt mechanism, wherein the inclined spring bolt mechanism comprises an inclined spring bolt, a movable rod fixedly connected with the inclined spring bolt and a baffle plate, the movable rod penetrates through the inside of the lock shell, the baffle plate can be inserted and slid in the baffle plate, a spring is sleeved between the inclined spring bolt and the baffle plate on the movable rod to ensure that the inclined spring bolt keeps a push-out state, a groove is arranged on the cambered surface of the inclined spring bolt, an anti-insertion bolt is rotatably arranged in the groove, a convex block is formed at the rear end of the outer wall surface of the anti-insertion bolt, a clamping groove is formed on the outer side of the convex block on the outer wall surface of the anti-insertion bolt, when the inclined spring bolt is pushed out, the convex block is hooked on the inner wall of the lock, the clamping groove is positioned on the outer wall of the lock shell, and ribs are arranged on the plane of the inclined lock tongue corresponding to the cambered surface.

Preferably, a poke rod capable of poking the main lock tongue pushing mechanism to move is fixed at the inner end of the lock cylinder.

Preferably, the main spring bolt pushing mechanism is hinged with a shifting piece, the movable rod is provided with a through groove, the outer end of the shifting piece is clamped into the through groove, and the movable rod can be shifted to move to realize unlocking of the inclined spring bolt.

Preferably, a traction sleeve is arranged on the movable rod and positioned at the rear part of the baffle, the traction sleeve can pull the movable rod to move towards the rear end, a handle is arranged on the lock shell, and the traction sleeve is fixedly connected with the handle and driven by the handle to move.

Preferably, a limiting plate capable of limiting the traction sleeve is slidably arranged on the bottom surface of the inner wall of the lock shell, a limiting groove is formed in the front end of the limiting plate, a torsion spring is arranged on the limiting plate, one end of the torsion spring is in contact with the traction sleeve, and the torsion spring can push the limiting plate to move towards the direction far away from the traction sleeve.

Preferably, the lock case is provided with a knob which can drive the limiting plate to move to tightly clamp the traction sleeve, the inner end of the knob penetrates through the limiting plate, and a rotating piece is fixed on the inner end of the knob.

The utility model discloses set up on oblique spring bolt and prevent inserting the tongue, prevent forming a lug and a draw-in groove on the tongue, when oblique spring bolt is locked, the draw-in groove is located the crack between door frame and the lock shell, when inserting article such as card from the crack, can directly block into the draw-in groove, make the card can't extrude oblique spring bolt to drive oblique spring bolt shrink along the cambered surface of oblique spring bolt and realize unblanking, avoid lawless persons from opening the lock from the outside and cause the potential safety hazard, it is better to lock the effect, the security is higher, has very high use value in occasions such as house, hotel; set up the rib on the plane of oblique spring bolt, the rib pastes tight lockhole inner wall when locking, reduces the space between oblique spring bolt and the lockhole, avoids producing in the windy condition lower door and rocks, leads to bumping between oblique spring bolt and the lockhole and produces the noise, and stability is higher, and the silence effect is better.

Drawings

Fig. 1 is a schematic view of an embodiment of the present invention;

fig. 2 is a schematic external structural view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a schematic view of an embodiment of the oblique bolt of the present invention;

fig. 5 is a sectional view of the inclined bolt of the present invention;

FIG. 6 is a side view of the reclining lock of the present invention;

FIG. 7 is a schematic view of an embodiment of the anti-insertion tongue of the present invention;

fig. 8 is a schematic view of an embodiment of the limiting plate of the present invention.

In the figure: 1. the lock comprises a lock shell, 2, a main bolt, 3, a main bolt pushing mechanism, 4, a lock core, 5, an inclined bolt, 51, a groove, 6, an anti-insertion bolt, 61, a bump, 62, a clamping groove, 7, a rib, 8, a movable rod, 9, a spring, 10, a baffle, 11, a poking rod, 12, a traction sleeve, 13, a handle, 14, a knob, 15, a limiting plate, 151, a limiting groove, 152, a torsion spring, 16, a rotating sheet, 17, a through groove, 18 and a poking sheet.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-8, an embodiment of the present invention provides a door lock, which includes a lock case 1, a main bolt 2, a main bolt pushing mechanism 3 fixedly connected to the main bolt 2, a lock core 4 adapted to the main bolt pushing mechanism 3, and an oblique bolt mechanism.

A poking rod 11 capable of poking the main spring bolt pushing mechanism 3 to move is fixed at the inner end of the lock core 4, a first groove and a second groove corresponding to the poking rod 11 are arranged on the main spring bolt pushing mechanism 3, and the poking rod 11 is rotated to fall into the first groove or the second groove to push the main spring bolt pushing mechanism 3 to extend forwards or move backwards to drive the main spring bolt 2 to lock or unlock step by step.

The main bolt pushing mechanism 3 is a mature technology in the prior art and is not described in detail herein.

The oblique spring bolt mechanism includes oblique spring bolt 5, with oblique spring bolt 5 fixed connection's movable rod 8 and a baffle 10, movable rod 8 runs through baffle 10 in the inside of lock shell 1 and can alternate in baffle 10 and slide, is located on the movable rod 8 that the cover is equipped with a spring 9 between oblique spring bolt 5 and the baffle 10 and makes oblique spring bolt 5 keep releasing the state. The baffle 10 is fixed inside the lock shell 1, the movable rod 8 passes through the center of the stop block 10, the elastic force of the spring 9 pushes the movable rod 8 to move towards the outer end, so that the inclined bolt 5 is pushed to keep a pushing-out state, when the door is closed, the inclined bolt 5 moves inwards to drive the movable rod 8 to move inwards, the spring 9 is driven to move towards the baffle 10 to be compressed, and the spring 9 pushes the inclined bolt 5 to be pushed out and locked after the door is closed.

The cambered surface of the inclined bolt 5 is provided with a groove 51, the groove 51 is internally and rotatably provided with an anti-insertion bolt 6, the rear end of the outer wall surface of the anti-insertion bolt 6 forms a convex block 61, the outer wall surface of the anti-insertion bolt 6 is positioned on the outer side of the convex block 61 to form a clamping groove 62, the clamping groove 62 slightly protrudes out of the cambered surface of the inclined bolt 5, and when the inclined bolt 5 is pushed out, the inner wall of the lock shell 1 hooks the convex block 61 to enable the anti-insertion bolt 6 to rotate, so that the clamping groove 62 is positioned at the outer wall of the.

When the inclined bolt 5 extends out of the lock case 1 and is locked, the protrusion 61 hooks the side wall of the lock hole on the lock case 1, and drives the anti-insertion bolt 6 to rotate in the groove 51 on the inclined bolt 5 while the inclined bolt 5 moves outwards, so that the clamping groove 62 rotates along with the inclined bolt, and the inclined bolt rotates from the position shown in fig. 4 to the position shown in fig. 5. After locking, draw-in groove 62 is located lock shell 1 lateral wall department, is in the crack that forms between lock shell 1 and the door frame, when inserting article such as card from the crack, the card can directly stretch into draw-in groove 62 for the card can't slide along the cambered surface of oblique spring bolt 5 and extrude oblique spring bolt 5 and drive oblique spring bolt 5 shrink and realize unblanking, avoid lawless persons to open the lock from the outside and cause the potential safety hazard, it is better to lock the effect, the security is higher

Be provided with rib 7 on the corresponding plane of oblique spring bolt 6 and cambered surface, the thickness of rib 7 is increased progressively by the outer end to the inner of oblique spring bolt 5, and rib 7 contacts until the chucking with the lockhole inner wall gradually when locking, reduces the space between oblique spring bolt 5 and the lockhole, avoids producing under windy condition and rocks, leads to colliding the noise production between oblique spring bolt 5 and the lockhole.

A shifting piece 18 is hinged to the main bolt pushing mechanism 3, a through groove 17 is formed in the movable rod 8, the outer end of the shifting piece 18 is clamped into the through groove 17, and the movable rod 8 can be shifted to move to unlock the inclined bolt 5. The inner end of the shifting piece 18 is provided with an oblique piece which is matched with an external lock cylinder of the lock, and the external lock cylinder rotates to drive the shifting piece 18 to rotate, so that the movable rod 8 and the oblique lock tongue 5 are driven to retract to realize unlocking.

A traction sleeve 12 is arranged on the movable rod 8 at the rear part of the baffle 10, the traction sleeve 12 can pull the movable rod 8 to move towards the rear end, a handle 13 is arranged on the lock shell 1, the handle 13 is fixedly connected with the traction sleeve 12 and driven by the handle 13 to move, and a movable groove for the handle 13 and the traction sleeve 12 to move is formed in the lock shell 1. The rear end of the movable rod is provided with a screw, and the screw head can be screwed by a screwdriver to drive the movable rod 8 to rotate, so that the direction conversion of the inclined lock tongue 5 is realized.

When the door needs to be unlocked, the pull handle 13 is pulled to drive the traction sleeve 12 to move, the movable rod 8 is driven to move inwards, the spring 9 is compressed, the inclined bolt 5 is driven to contract towards the inside of the lock shell 1, and the door is opened.

A limiting plate 15 capable of limiting the traction sleeve 12 is slidably arranged on the bottom surface of the inner wall of the lock shell 1, a limiting groove 151 is formed in the front end of the limiting plate 15, a torsion spring 151 with one end in contact with the traction sleeve 12 is arranged on the limiting plate 15, and the torsion spring 151 can push the limiting plate 15 to move towards the direction far away from the traction sleeve 12. The lock shell 1 is provided with a knob 14 which can drive a limiting plate 15 to move to clamp the traction sleeve 12, the inner end of the knob 14 penetrates through the limiting plate 15, and a rotating piece 16 is fixed on the inner end of the knob 14.

The limiting groove 151 can be clamped on one side of the traction sleeve 12 to realize back locking, and the traction sleeve 12 can also be clamped inside the limiting groove 151 to keep an unlocked state.

Be provided with a bar arch under rotor plate 16 on the terminal surface, limiting plate 15 has seted up one "7" font dead slot, the dead slot divide into transverse groove and vertical groove, when knob 14 is rotated to the forward, rotor plate 16 rotates, promote limiting plate 15 forward motion, spacing groove 151 chucking traction sleeve 15, make the bar arch be vertical distribution, be located the vertical inslot of dead slot inside, the protruding both ends of bar contact with the both ends of vertical groove this moment, torsional spring 151 is compressed simultaneously and is produced elasticity, extrude limiting plate 15, make the protruding vertical groove of chucking of bar, and then make rotor plate 16 chucking limiting plate 15, traction sleeve 12 is blocked and is leaded to the unable removal of movable rod 8, according to traction sleeve 12 in the outside of spacing groove 151 or in the inside of spacing groove 151, it pushes out to keep oblique spring bolt 5 to be the anti-lock state or keeps oblique spring 5 to withdraw to be the state of unblanking.

When needs oblique spring bolt 5 lock or unblank automatically, upset knob 14 drives rotor 16 and rotates for the bar is protruding for transverse distribution, rotor 16 no longer blocks limiting plate 15 this moment, limiting plate 15 backward motion under the elasticity of torsional spring 151, makes spacing groove 151 break away from and pulls cover 12, makes oblique spring bolt 5 can lock automatically.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. A door lock comprises a lock shell, a main spring bolt pushing mechanism fixedly connected with the main spring bolt, a lock cylinder matched with the main spring bolt pushing mechanism and an inclined spring bolt mechanism, and is characterized in that the inclined spring bolt mechanism comprises an inclined spring bolt, a movable rod fixedly connected with the inclined spring bolt and a baffle, the movable rod penetrates through the inside of the lock shell, the baffle can be inserted and slid in the baffle, a spring is sleeved between the inclined spring bolt and the baffle on the movable rod to enable the inclined spring bolt to keep a push-out state, a groove is formed in the arc surface of the inclined spring bolt, an anti-insertion bolt is rotatably arranged in the groove, a convex block is formed at the rear end of the outer wall surface of the anti-insertion bolt, a clamping groove is formed on the outer side of the convex block on the outer wall surface of the anti-insertion bolt, and the convex block enables the anti-insertion bolt to rotate when the inclined spring bolt is pushed out, the clamping groove is positioned on the outer wall of the lock shell, and ribs are arranged on the plane of the inclined lock tongue corresponding to the cambered surface.

2. The door lock of claim 1, wherein a poke rod for poking the main bolt pushing mechanism is fixed on the inner end of the lock cylinder.

3. The door lock of claim 1, wherein the main bolt pushing mechanism is hinged to a shifting piece, the movable rod is provided with a through groove, the outer end of the shifting piece is clamped into the through groove, and the movable rod can be shifted to move to unlock the inclined bolt.

4. The door lock of claim 1, wherein a pulling sleeve is provided on the movable rod at the rear of the blocking plate, the pulling sleeve can pull the movable rod to move towards the rear end, a pull handle is provided on the lock case, and the pulling sleeve is fixedly connected with the pull handle and driven by the pull handle to move.

5. The door lock according to claim 4, wherein a position-limiting plate is slidably disposed on the bottom surface of the inner wall of the lock case for limiting the position of the pulling sleeve, a position-limiting groove is formed on the front end of the position-limiting plate, and a torsion spring is disposed on the position-limiting plate, one end of the torsion spring contacting with the pulling sleeve, and the torsion spring can push the position-limiting plate to move away from the pulling sleeve.

6. The door lock of claim 5, wherein the lock housing is provided with a knob for driving the position-limiting plate to move to clamp the pulling sleeve, an inner end of the knob penetrates through the position-limiting plate, and a rotating piece is fixed on the inner end of the knob.