CN210622499U

CN210622499U - Door lock

Info

Publication number: CN210622499U
Application number: CN201921277947.1U
Authority: CN
Inventors: 黄力
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-26
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a door lock, including the lock shell, main spring bolt pushing mechanism with main spring bolt fixed connection, drive the lock core and the oblique spring bolt mechanism of main spring bolt pushing mechanism motion, the spring bolt mechanism includes oblique spring bolt to one side, with spring bolt fixed connection's movable rod and dog to one side, the movable rod runs through the dog and can alternate in the dog and slide in the inside of lock shell, it makes oblique spring bolt keep releasing the state to lie in the cover between oblique spring bolt and the dog on the movable rod, movably is provided with one in the spring bolt to one side and provides the buffering tongue of buffering for oblique spring bolt, relate to tool to lock technical field. This lock sets up the buffering tongue on oblique spring bolt, and buffering tongue and door frame contact rotation receive the extrusion to promote oblique spring bolt and pack up when closing the door, and the spring bolt stretches out again to one side after closing the door, and the spring bolt directly strikes the door frame to one side when avoiding closing the door, provides the buffering between oblique spring bolt and door frame, has alleviateed the striking of lock with the door frame, has reduced the noise of production, avoids causing the influence to people's work, rest.

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 externally-mounted door lock generally comprises an inclined bolt capable of keeping a push-out state, the inclined bolt is generally made of a metal material, when a door is closed, the inclined bolt impacts a door frame to generate large noise, work and rest of people are greatly influenced, particularly in a narrow corridor, huge reverberation can be generated, and the noise is hoped to be reduced as much as possible in office places or home occasions.

Therefore, how to realize alleviateing the striking when closing the door, reduce the noise that produces, avoid causing the influence to work, rest, the life of extension lock simultaneously is the technological problem that awaits solution in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lock aims at alleviateing the striking when closing the door, reduces the noise production, avoids causing the influence to work, rest, prolongs the life of lock simultaneously.

The utility model provides a door lock, including lock shell, main spring bolt, with main spring bolt fixed connection's main spring bolt pushing mechanism, drive the lock core and the oblique spring bolt mechanism of main spring bolt pushing mechanism motion, oblique spring bolt mechanism include oblique spring bolt, with spring bolt fixed connection's movable rod and dog to one side, the movable rod is in the inside of lock shell is run through the dog can alternate in the dog and slide, lie in on the movable rod oblique spring bolt with the cover is equipped with a first spring and makes between the dog the spring bolt keeps the release state to one side, movably be provided with one in the spring bolt to one side does the spring bolt provides the buffering tongue of buffering to one side.

Preferably, a groove parallel to the two side walls of the oblique spring bolt is formed in the arc-shaped surface of the oblique spring bolt, the buffer bolt is rotatably arranged in the groove and is a roller, the outer edge of the roller protrudes out of the arc-shaped surface of the oblique spring bolt, and the straight line where the axis of the roller is located is perpendicular to the straight line where the movable rod is located.

Preferably, be located on the movable rod the rear portion of dog is provided with one and pulls the cover, the movable rod surface is located pull the cover with be provided with a second spring between the rear end of movable rod, it can pull to pull the cover the movable rod to the direction motion in the lock shell, the rear end of movable rod is the screw setting, and accessible screwdriver is twisted and is moved the screwhead and drive the movable rod rotates, realizes the direction conversion of oblique spring bolt.

Preferably, 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, still include a safety mechanism, safety mechanism includes a insurance post, locking plate, stand and rotor plate, the both ends on the surface of insurance post set up first bulge loop and second bulge loop respectively, lie in on the insurance post first bulge loop with the cover is equipped with the third spring between the inner wall of lock shell, an annular has been seted up on the insurance post.

Preferably, a pot head of locking plate is established on the stand, the other end of locking plate is provided with one and can blocks into dop in the annular, be provided with one on the stand and promote the locking plate to the gliding torsional spring of insurance post direction makes the dop card is gone into the annular is interior to lock the insurance post.

Preferably, the lock shell is provided with a knob, the knob extends to one end in the lock shell with rotor plate fixed connection, the rotor plate with the locking plate joint, the rotor plate rotates and can drive the locking plate orientation is kept away from one side slip of insurance post removes the locking.

Preferably, a clamping groove is formed in the movable rod, a shifting piece is hinged to the main spring bolt pushing mechanism, the other end of the shifting piece penetrates through the clamping groove, and the lock cylinder can drive the shifting piece to rotate to drive the movable rod and the inclined spring bolt to contract.

The utility model discloses a set up the buffering tongue on oblique spring bolt, buffering tongue and door frame contact rotation when closing the door, receive the extrusion and promote oblique spring bolt to pack up, the oblique spring bolt stretches out again after closing the door, the oblique spring bolt directly strikes the door frame when avoiding closing the door, provide the buffering between oblique spring bolt and door frame, has alleviateed the striking of lock and door frame, has reduced the noise that produces, avoids causing the influence to people's work, rest; meanwhile, the impact is reduced, the force applied to the door lock is reduced, the damage to the internal structure of the door lock can be avoided, and the service life of the door lock is prolonged.

Drawings

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

fig. 2 is a bottom view of the present invention;

fig. 3 is a schematic view of an embodiment of the oblique bolt of the present invention;

fig. 4 is a sectional view of the inclined bolt of the present invention;

fig. 5 is a rear view of the present invention;

fig. 6 is a schematic structural view of the locking plate of the present invention.

In the figure: 1. the lock comprises a lock shell, 2, a main lock tongue, 3, a main lock tongue pushing mechanism, 4, a lock core, 5, a poking rod, 6, an inclined lock tongue, 61, a groove, 62, a buffer tongue, 7, a movable rod, 8, a stop dog, 9, a first spring, 10, a traction sleeve, 11, a second spring, 12, a rotating sheet, 13, a handle, 14, a knob, 15, a safety post, 151, a first convex ring, 152, a third spring, 153, a second convex ring, 154, a ring groove, 16, a locking sheet, 161, a stand column, 162, a torsion spring, 163, a clamping head, 17 poking sheets, 18 and a clamping groove.

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. 1-6, 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 driving the main bolt pushing mechanism 3 to move, and an oblique bolt mechanism. A poking rod 5 is fixed at the inner end of the lock cylinder 4, the lock cylinder 4 rotates to drive the poking rod 5 to rotate, so that the main spring bolt pushing mechanism 3 is driven to move, and the main spring bolt 2 is pushed to extend forwards or move backwards to lock or unlock step by step. The main bolt pushing mechanism 3 is a commonly used technical means, and is not described herein.

Oblique spring bolt mechanism includes oblique spring bolt 6, with oblique spring bolt 6 fixed connection's movable rod 7 and dog 8, movable rod 7 runs through dog 8 and can alternate in dog 8 and slide in the inside of lock shell 1, and dog 8 is fixed inside lock shell 1, and movable rod 7 passes dog 8. The side of the lock shell 1 is provided with a through hole for extending the main bolt 2 and the inclined bolt 6. A first spring 9 is sleeved on the movable rod 7 between the inclined bolt 6 and the stop 8 to keep the inclined bolt 6 in a push-out state, and a buffer bolt 62 for buffering the inclined bolt 6 is movably arranged in the inclined bolt 6.

The arc-shaped surface of the inclined bolt 6 is provided with a groove 61 parallel to two side walls of the inclined bolt 6, the buffer bolt 62 is rotatably arranged in the groove 61, the buffer bolt 62 is a roller, the outer edge of the roller protrudes out of the arc-shaped surface of the inclined bolt 6, and the straight line of the axis of the roller is perpendicular to the straight line of the movable rod 7. A rotating shaft is arranged between two sides of the inner wall of the groove 61, the roller can rotate in the groove 61 through the rotating shaft, and two end faces of the roller are parallel to two side faces of the groove 61.

When closing the door, buffering tongue 62 is when and the door frame contact, rotate with door frame surface contact department, receive thrust simultaneously and promote oblique spring bolt 6 and remove, compress first spring 9 and make oblique spring bolt 6 shrink, until falling into the hasp board on the door frame in, oblique spring bolt 6 pushes out oblique spring bolt 6 down at the spring action of first spring 9 and locks, through the cushioning effect of buffering tongue 6223, avoid oblique spring bolt 6 and the direct striking of door frame to send huge collision sound, play the effect of noise reduction, the life-span of having prolonged the lock simultaneously.

A traction sleeve 10 is arranged on the movable rod 7 at the rear part of the stop block 8, a second spring 11 is arranged between the traction sleeve 10 and the rear end of the movable rod 7 on the surface of the movable rod 7, the traction sleeve 10 can pull the movable rod 7 to move towards the inner direction of the lock shell 1, a handle 13 is arranged on the lock shell 1, and the traction sleeve 10 is fixedly connected with the handle 10 and driven by the handle 13 to move. The second spring 11 is used for limiting the movable rod 7, so that the inclined bolt 6 is prevented from being driven to extend out too much from the lock shell 1.

The movable rod 7 is provided with an inclined bolt 6, one end of the inclined bolt is a front end, the other end of the inclined bolt is a rear end, and the movable rod 7 can move from the inside of the traction sleeve 10 to the front end and cannot move from the inside of the traction sleeve 10 to the rear end. The rear end of the movable rod 7 is provided with a screw, and the screw head can be screwed by a screwdriver to drive the movable rod 7 to rotate, so that the direction conversion of the inclined lock tongue 6 is realized.

During adjustment, a screwdriver is inserted into the screw to push the movable rod 7 to move towards the front end in the traction sleeve 10, the second spring 11 is compressed, the inclined bolt 6 is completely pushed out of the lock shell 1, the screwdriver is screwed at the moment to drive the movable rod 8 and the inclined bolt 6 to simultaneously rotate 180 degrees, the direction of the inclined bolt 6 is changed, the screwdriver is loosened, the movable rod 7 and the inclined bolt 6 reset under the elastic force of the second spring 11, and the inclined bolt can be installed on doors in different opening directions.

When the door needs to be unlocked, the pull handle 13 is pulled to drive the traction sleeve 10 to move, the movable rod 7 is driven to move inwards, the first spring 9 is compressed, the inclined bolt 6 is driven to contract towards the inside of the lock shell 1, and the door is opened.

The safety lock further comprises a safety mechanism, the safety mechanism comprises a safety post 15, a locking piece 16, a stand column 161 and a rotating piece 12, a first convex ring 151 and a second convex ring 153 are respectively arranged at two ends of the surface of the safety post 15, a third spring 152 is sleeved between the first convex ring 151 and the inner wall of the lock shell 1 on the safety post 15, and an annular groove 154 is formed in the safety post 15.

The first convex ring 151 is used for limiting the third spring 152, and can compress the third spring 152 to keep generating elastic force. The second protruding ring 153 is limited at the rear end to prevent the rear end of the safety post 15 from extending out of the lock case 1 too much to cause the front end to be locked in the door frame or the lock catch plate.

One end of the locking piece 16 is sleeved on the upright post 161, the other end of the locking piece 16 is provided with a chuck 163 capable of being clamped into the annular groove 154, and the upright post 161 is provided with a torsion spring 162 capable of pushing the locking piece 16 to slide towards the direction of the safety post 15, so that the chuck 163 is clamped into the annular groove 154 to lock the safety post 15.

When the safety post 15 is in an extended state, the torsion spring 162 pushes the locking piece 16 to move towards the safety post 15, the clamping head 163 is clamped in the annular groove 154 to limit the safety post 15 and lock the safety post from the inside, and a key is used to unlock the safety post from the outside or a lock is picked from the outside to provide a safety, so that the door lock cannot be unlocked from the outside.

The lock shell 1 is provided with a knob 14, one end of the knob 14 extending into the lock shell 1 is fixedly connected with a rotating sheet 12, the rotating sheet 12 is clamped with a locking sheet 16, and the rotating sheet 12 rotates to drive the locking sheet 16 to slide towards one side far away from the safety post 7 to unlock.

When the safety post 15 is in a state of extending and locking, the rotary knob 14 is rotated to drive the rotary piece 12 to rotate, so that the movable locking piece 16 slides towards one side far away from the safety post 7, the clamping head 163 withdraws from the annular groove 154, under the action of the elastic force of the third spring 152, the safety post 15 withdraws into the lock case 1 to realize unlocking, the clamping head 163 is clamped on the surface of the safety post 15, when locking is needed, the safety post 15 is pushed to extend and lock, the annular groove 154 reaches a position corresponding to the clamping head 163, at the moment, under the action of the elastic force of the torsion spring 162, the locking piece 16 slides towards one side of the safety post 15, and the clamping head 163 is clamped into the annular groove.

The movable rod 7 is provided with a clamping groove 18, the main bolt pushing mechanism 3 is hinged with a shifting piece 17, the other end of the shifting piece 17 penetrates through the clamping groove 18, and the lock cylinder 4 can drive the shifting piece 17 to rotate to drive the movable rod 7 and the inclined bolt 6 to contract. When unblanking, drive the initiative of lock core 4 through the key, the poker rod 5 drives 3 motions of 2 pushing mechanism of main spring bolt and makes spring bolt 4 shrink to lock shell 1 inside to make plectrum 17 be close to lock core 4, lock core 4 drives plectrum 17 and rotates, thereby drive movable rod 7 and oblique spring bolt 6 and realize unblanking to the inside shrink of lock shell 1.

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. The utility model provides a door lock, including lock shell, main spring bolt, with main spring bolt fixed connection's main spring bolt pushing mechanism, drive the lock core and the oblique spring bolt mechanism of main spring bolt pushing mechanism motion, a serial communication port, oblique spring bolt mechanism include oblique spring bolt, with oblique spring bolt fixed connection's movable rod and dog, the movable rod is in the inside of lock shell is run through the dog can alternate in the dog and slide, lie in on the movable rod oblique spring bolt with the cover is equipped with a first spring and makes between the dog oblique spring bolt keeps the release state, movably be provided with one in the oblique spring bolt do oblique spring bolt provides the buffering tongue of buffering.

2. The door lock of claim 1, wherein the arc-shaped surface of the oblique bolt is provided with a groove parallel to two side walls of the oblique bolt, the buffer bolt is rotatably disposed in the groove, the buffer bolt is a roller, the outer edge of the roller protrudes out of the arc-shaped surface of the oblique bolt, and the straight line of the axis of the roller is perpendicular to the straight line of the movable rod.

3. The door lock according to claim 1, wherein a traction sleeve is disposed on the movable rod at the rear of the stop, a second spring is disposed on the surface of the movable rod between the traction sleeve and the rear end of the movable rod, the traction sleeve can pull the movable rod to move towards the inside of the lock case, 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 to rotate, so that the direction conversion of the oblique bolt is realized.

4. A door lock according to claim 3, wherein the housing is provided with a pull handle, the pull sleeve being fixedly connected to the pull handle for movement by the pull handle.

5. The door lock according to claim 1, further comprising a safety mechanism, wherein the safety mechanism comprises a safety post, a locking piece, a column and a rotating piece, a first protruding ring and a second protruding ring are respectively disposed at two ends of the surface of the safety post, a third spring is sleeved on the safety post between the first protruding ring and the inner wall of the lock case, and a ring groove is formed in the safety post.

6. The door lock of claim 5, wherein a sleeve of the locking plate is disposed on the upright, and a clip capable of being snapped into the annular groove is disposed at the other end of the locking plate, and a torsion spring capable of pushing the locking plate to slide toward the safety post is disposed on the upright, so that the clip is snapped into the annular groove to lock the safety post.

7. The door lock of claim 5, wherein the housing is provided with a knob, one end of the knob extending into the housing is fixedly connected to the rotary piece, the rotary piece is engaged with the locking piece, and the rotary piece rotates to drive the locking piece to slide towards a side away from the safety post to unlock.

8. The door lock of claim 1, wherein the movable rod is provided with a slot, the main bolt pushing mechanism is hinged with a pick, the other end of the pick passes through the slot, and the rotation of the lock cylinder drives the pick to rotate to drive the movable rod and the inclined bolt to retract.