CN212453962U

CN212453962U - 'zero clearance' taper marble for mortise door lock

Info

Publication number: CN212453962U
Application number: CN202022199399.4U
Authority: CN
Inventors: 姚自立
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-02-02
Anticipated expiration: 2030-09-29

Abstract

The utility model relates to a lock pin lock "zero clearance" tapering pellet shot from a slingshot, including the lock core, the lock core inlays and establishes in the lock core cover, the lock core cover includes lock core cover upper portion, lock core cover lower part and the middle part supplies the round hole that the lock core wore to establish, a plurality of bullet holes have all been offered along length direction is vertical in lock core cover upper portion, lower part, this bullet hole all extend to in the lock core and with the key hole butt joint on the lock core, be located and be equipped with a toper pellet shot from a slingshot hole that holds the tapering pellet shot from a slingshot in the bullet hole of lock core cover lower part respectively, the tapering pellet shot from a slingshot is including last tapering pellet shot and the lower tapering pellet shot from a slingshot of each other butt joint, lower tapering pellet shot from a slingshot respectively with the tartar one-to-one that lower extreme surface was seted up, through the "zero.

Description

'zero clearance' taper marble for mortise door lock

Technical Field

The utility model relates to a tool to lock technical field especially relates to a lock pin lock "zero clearance" tapering pellet shot from a slingshot.

Background

The upper and lower apertures of the ball hole of the traditional lock are consistent, and the upper ball can be placed in the ball hole of the lock cylinder sleeve by a technical opening tool in a supporting and squeezing way as long as the ball hole of the lock cylinder sleeve and the ball hole of the lock cylinder generate micro dislocation. Because the pin holes of the lock core sleeve and the lock core are staggered, the upper pins are extruded, and the part of the upper pins extending to the pin holes of the lock core can be returned to the pin holes of the lock core sleeve by the supporting force slightly larger than the extrusion force. And because the dislocation of the lock core sleeve and the lock core hole generates a step at the orifice of the upper marble hole and the lower marble hole, the lower marble is propped by the step, and the lower marble can not enter the hole passage of the lock core sleeve as long as force is not excessive. Therefore, the lock core can rotate freely only by respectively putting the upper marble and the lower marble above and below the critical line of the lock core sleeve and the lock core, and the lock is opened, which is the operation mechanism of technical opening;

the key hole of the traditional pin tumbler lock is in a common straight line shape, a common unlocking tool in the space below the pin tumbler can easily extend into and touch the bottom end of the lower pin tumbler, the bent pick-up hook at the front end can avoid the lower pin tumbler in front of the front, pick up the lower pin tumbler behind the front, lift the lower pin tumbler, support the upper pin tumbler to the critical point of the lock core and the lock core sleeve, and then enable the lower pin tumbler to fall to the original position, so that the upper pin tumbler and the lower pin tumbler at the critical point are all positioned on the critical point in sequence, that is, the keyless unlocking is realized, and the technical unlocking has potential danger relative to the violent lock destruction; although the key hole is reformed for several times, such as a cross-shaped hole, a crescent-shaped hole and the like, the lifting of the lower marble by a tool cannot be hindered, namely, the anti-theft capability of the core door lock cannot be improved all the time, and the safety is poor.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the technical problem to be solved by the utility model is to provide a lock pin door lock "zero clearance" tapering pellet shot from a slingshot, not only rational in infrastructure, the theftproof ability is showing moreover.

In order to solve the technical problem, the technical scheme of the utility model is that: the zero-clearance tapered marble of the mortise door lock comprises a lock core, wherein the lock core is embedded in a lock core sleeve, the lock core sleeve comprises a lock core sleeve upper part, a lock core sleeve lower part and a round hole, the middle part of the round hole is provided with the lock core in a penetrating way, the upper part and the lower part of the lock core sleeve are both vertically provided with a plurality of marble holes along the length direction, the marble holes all extend into the lock core and are butted with a key hole on the lock core, tapered marble holes for containing the tapered marble are respectively arranged in the marble holes at the lower part of the lock core sleeve, the tapered marble comprises an upper tapered marble and a lower tapered marble which are mutually butted, and the lower tapered marble is respectively in one-to-one correspondence with tooth patterns arranged on the surfaces of the upper.

Furthermore, springs are arranged at the upper ends of the upper tapered marble and the upper ends of the upper marbles in the rear marble hole and are fixed by compression joint through a compression joint device.

Furthermore, the upper and lower taper marbles have larger size than the upper and lower marbles at the rear part, and the clearance between the upper and lower taper marbles and the taper marble hole is smaller than the clearance between the upper and lower taper marbles and the marble hole.

Furthermore, the pin holes in the upper part and the lower part of the lock cylinder sleeve are arranged in a staggered manner.

Furthermore, the whole cross section of the key is in an inverted 'flying bird' shape, the convex parts of the middle abdomen of the key extend towards the upper bevel edge and the lower bevel edge horizontally to form bosses, a plurality of tooth patterns are arranged on the tops of the upper bevel edge and the lower bevel edge of the key along the length direction of the key, and the tooth patterns are respectively matched with the pins in the lock cylinder.

Furthermore, a key hole for inserting a key is formed in the end face of the lock cylinder in a penetrating mode, the shape of the key hole is the same as that of the end face of the key, and a key handle is fixedly connected to the outer end of the key.

Furthermore, the included angle between the boss and the upper and lower bevel edges is less than or equal to 90 degrees.

Furthermore, the bevel edge of the key insertion end is symmetrically and obliquely cut from front to back to form a tip part.

Further, the crimping device is including covering the lock core fixed strip of establishing on lock core cover upper portion to it is fixed to go into the lock core cover through the bolt spiro union, and the crimping device is still including inserting the strip of paper used for sealing of establishing with the crimping spring in lock core cover lower part lower extreme, and this strip of paper used for sealing is trapezoidal like to guarantee that the level is pegged graft and can not drop.

Compared with the prior art, the utility model discloses following beneficial effect has: because the clearance between the taper marble and the taper marble hole is very small, a technical opener is difficult to dislocate the lock core and the lock core sleeve in advance, and is difficult to judge whether the upper marble and the lower marble are in a critical point; the anti-theft capability of the lockset is greatly enhanced through the zero clearance of the taper marble and the matching design of the bird-shaped key hole.

The size of the key hole is reduced, so that the difficulty of abnormal unlocking can be increased, and meanwhile, the design of the boss is favorable for ensuring the rigidity and is not easy to bend and break; the whole anti-theft coefficient is high, and the safety and stability are realized.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a schematic structural view of a lock cylinder sleeve in an embodiment of the present invention;

fig. 4 is a schematic view of the connection between the lock cylinder and the lock cylinder sleeve in the embodiment of the present invention;

FIG. 5 is a schematic view of a key according to an embodiment of the present invention;

FIG. 6 is an end view of a key according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a lock cylinder in an embodiment of the present invention;

fig. 8 is an end view of the lock cylinder in the embodiment of the present invention.

In the figure: 1-lock core, 2-key, 3-bevel edge, 4-boss, 5-tooth, 6-key hole, 7-tip, 8-key handle, 9-outer wing hole and 10-inner wing hole; b1-lock cylinder sleeve, B2-upper part of lock cylinder sleeve, B3-lower part of lock cylinder sleeve, B4-round hole, B5-marble hole, B6-taper marble, B7-taper marble hole, B8-upper taper marble, B9-lower taper marble, B10-spring, B11-lock cylinder fixing strip and B12-seal.

Detailed Description

In order to make the aforementioned and other features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

As shown in fig. 1 to 8, the zero-clearance tapered pin tumbler for the mortise door lock comprises a lock cylinder 1, wherein the lock cylinder is embedded in a lock cylinder sleeve B1, the lock cylinder sleeve comprises a lock cylinder sleeve upper part B2, a lock cylinder sleeve lower part B3 and a round hole B4, the middle part of the round hole is provided with the lock cylinder to penetrate through, the lock cylinder sleeve upper part and the lower part are both vertically provided with a plurality of pin holes B5 along the length direction, the pin holes all extend into the lock cylinder and are butted with a key hole 6 on the lock cylinder, tapered pin holes B7 for accommodating tapered pin tumblers B6 are respectively arranged in the pin holes at the lower part of the lock cylinder sleeve, the tapered pin holes can be arranged between any pin holes and also can be arranged at the end part, the tapered pins comprise an upper tapered pin tumbler B8 and a lower tapered pin tumbler B9 which are butted with each other, and the lower tapered pins respectively correspond to teeth arranged on the surface of the.

In the embodiment of the present invention, the upper end of the upper tapered pin and the upper end of the upper pin in the rear pin hole are both provided with a spring B10 and are fixed by a crimping device.

In the embodiment of the present invention, the upper and lower taper marbles have larger size than the rear upper and lower ones, and the gap between the upper and lower taper marbles and the taper marble holes is smaller than the gap between the upper and lower taper marbles and the marble holes, so that the unlocking tool must be drawn out to release the self-locking after the self-locking is generated.

In the embodiment of the present invention, the pin holes on the upper portion and the lower portion of the lock cylinder sleeve are arranged in a staggered manner to prevent the tooth symmetry formed on the key from being broken easily due to the formation of the "bee waist".

In the embodiment of the present invention, the whole cross section of the key 2 is in the shape of inverted bird, the convex part of the middle part of the abdomen is extended horizontally by the upper and lower oblique edges 3 to form the boss 4, the top of the upper and lower oblique edges of the key is provided with a plurality of teeth 5 along the length direction of the key, and the teeth are respectively matched with the pins in the lock cylinder.

In order to ensure a more stable anti-theft effect, the bevel edge of the key is thinner, but the design of the boss can effectively ensure the thickness rigidity of the key, the key is not easy to bend and break, the corresponding key hole is smaller, a common tool is difficult to stretch into, the theft difficulty of a thief is increased, and the safety of a lock is ensured.

In the embodiment of the utility model, the lock core terminal surface runs through and sets up the key hole that supplies the key to peg graft, and this key hole shape is the same with the key terminal surface, the key outer end has linked firmly key handle 8.

In the embodiment of the present invention, the included angle between the boss and the upper and lower oblique edges is less than or equal to 90 °.

In the embodiment of the present invention, the bevel edge of the insertion end of the key is symmetrically obliquely cut from front to back to form the tip portion 7.

The embodiment of the utility model provides an in, crimping device establishes lock core fixed strip B11 on lock core cover upper portion including the lid to it is fixed to go into the lock core cover through the bolt spiro union, crimping device still inserts the strip of paper used for sealing B12 of establishing with the crimping spring including lock core cover lower part lower extreme, and this strip of paper used for sealing is a type of trapezoidally, corresponds to run through around lock core cover lower part lower extreme and sets up a type of trapezoidal slot, and this trapezoidally inverts, and the upper base is gone to the bottom under promptly on last, can not drop after pegging graft in order to guarantee the.

In the embodiment of the utility model, the key is turned over, the boss is arranged below, the key end surface is in a shape similar to a flying bird, the boss is corresponding to the key hole and is the belly of the flying bird, the inclined edges at two sides are corresponding to the key hole and are the outer wing holes 9, and the joint of the boss and the inclined edge is corresponding to the key hole and is the inner wing hole 10; when a thief steals, the tool can extend into the abdomen, but because the marbles are all arranged at the outer wing holes, even if the tool can rotate into the inner wing holes from the abdomen, the marble cannot be touched, the tool can be blocked by an included angle of 90 degrees or less than 90 degrees between the inner wing holes and the outer wing holes, and the tool cannot touch the marbles in the inner wing holes; the tool for lifting the marble must be directly inserted into the hole of the outer wing, but the operating tool loses the activity space necessary for lifting the marble, thus being safe to prevent theft.

In the embodiment of the utility model, when a special tool is used to insert into the keyhole, even if the unlocking tool is small, the lower taper marble lifting part can be extended into the marble hole of the lock cylinder sleeve to achieve self-locking, and because the taper marble is slightly large and the clearance between the taper marble hole is small, after the self-locking is achieved, the tool must be drawn out to relieve the self-locking, namely, the technical opening can not be carried out through the special tool, and under the condition of small clearance, the technical opener is difficult to dislocate the lock cylinder and the lock cylinder sleeve in advance, and is difficult to judge whether the upper marble and the lower marble are in a critical point; the anti-theft capability of the lockset is greatly enhanced through the zero clearance of the taper marble and the matching design of the bird-shaped key hole.

The present invention is not limited to the above preferred embodiments, and any person can obtain the inserted core door lock zero-clearance taper pin tumbler in other various forms. All the equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.

Claims

1. The 'zero clearance' taper marble for the mortise door lock is characterized in that: the lock core sleeve comprises a lock core, the lock core is embedded in the lock core sleeve, the lock core sleeve comprises a lock core sleeve upper portion, a lock core sleeve lower portion and a round hole, the round hole is used for the lock core to penetrate through, a plurality of marble holes are vertically formed in the lock core sleeve upper portion and the lock core sleeve lower portion along the length direction, the marble holes extend into the lock core and are in butt joint with a key hole in the lock core, conical marble holes for containing conical marbles are respectively formed in the marble holes in the lower portion of the lock core sleeve, the conical marbles comprise upper conical marbles and lower conical marbles which are in butt joint with each other, and the lower conical marbles are in one-to-one correspondence with tooth patterns formed in the surfaces of.

2. The "zero clearance" taper tumbler for a mortise door lock according to claim 1, wherein: and springs are arranged at the upper ends of the upper tapered marble and the upper ends of the upper marbles in the rear marble holes and are fixedly pressed and connected through a pressing device.

3. The "zero clearance" taper tumbler for a mortise door lock according to claim 1, wherein: the upper and lower taper marbles have larger size than the upper and lower marbles at the rear part, and the clearance between the upper and lower taper marbles and the taper marble hole is smaller than the clearance between the upper and lower taper marbles and the marble hole.

4. The "zero clearance" taper tumbler for a mortise door lock according to claim 1, wherein: the spring holes in the upper part and the lower part of the lock cylinder sleeve are arranged in a staggered mode.

5. The "zero clearance" taper tumbler for a mortise door lock according to claim 1, wherein: the key is integrally slender, the cross section of the key is in an inverted 'flying bird' shape, the convex parts of the abdomen of the key extend towards the upper bevel edge and the lower bevel edge horizontally to form bosses, a plurality of tooth patterns are arranged on the tops of the upper bevel edge and the lower bevel edge of the key along the length direction of the key, and the tooth patterns are respectively matched with the pins in the lock cylinder.

6. The mortise door lock "zero clearance" taper marble of claim 5, wherein: the end face of the lock cylinder is provided with a key hole for inserting a key, the shape of the key hole is the same as that of the end face of the key, and the outer end of the key is fixedly connected with a key handle.

7. The mortise door lock "zero clearance" taper marble of claim 5, wherein: the included angle between the lug boss and the upper and lower bevel edges is less than or equal to 90 degrees.

8. The mortise door lock "zero clearance" taper marble of claim 5, wherein: the bevel edge of the key insertion end is symmetrically and obliquely cut from front to back to form a tip part.

9. The "zero clearance" taper tumbler for a mortise door lock according to claim 2, wherein: the crimping device is including covering the lock core fixed strip of establishing on lock core cover upper portion to it is fixed to go into the lock core cover through the bolt spiro union, and the crimping device is still including inserting the strip of paper used for sealing of establishing with the crimping spring in lock core cover lower part lower extreme, and this strip of paper used for sealing is similar trapezoidal, can not drop in order to guarantee the level grafting.