CN213205265U - Anti-drilling lock core - Google Patents

Abstract

The utility model relates to a lock core especially relates to a prevent boring lock core, including the lock shell, be equipped with the lock sleeve in the lock shell, the lock sleeve rotates to be connected in the lock shell, the both ends of lock shell are equipped with respectively through the anti-drill subassembly of quenching treatment, prevent that drill subassembly is including preventing the drill block and preventing the drilling rod, it has the mounting groove that is used for holding to prevent the drill block to open on the terminal surface of lock shell, vertical division is equipped with the jack that is used for holding to prevent the drilling rod on the lock shell, the mounting groove communicates with each other with the jack, prevent wearing to locate to prevent the drill block behind the drilling rod through the jack. Be equipped with on the lock core through the anti-drilling piece of quenching processing and prevent the drilling rod, prevent that the drilling piece will have higher hardness with preventing the drilling rod than the work piece that does not quench, both cooperate, can bear great impact force when the lock core receives the violence broken lock, this application has the effect that improves the anti-drilling performance and the security performance of lock core.

Description

Anti-drilling lock core

Technical Field

The application relates to a lock core, in particular to an anti-drilling lock core.

Background

The lock core is a main part for controlling the lock to be unlocked, is the heart of the lock, can be matched with the key to rotate and drive the lock bolt to move, thereby driving other parts of the lock to achieve unlocking and locking.

At present, a Chinese patent with publication number CN206397280U discloses a breakage-proof lock core, which comprises a lock shell, a poking peach arranged in an open slot at the middle part of the lock shell, an inner lock liner and an outer lock liner respectively arranged in the lock shell at two sides of the poking peach, a first marble component arranged in the inner lock liner and the lock shell, and a second marble component arranged in the outer lock liner and the lock shell, wherein the inner lock liner and the outer lock liner are respectively linked with the poking peach through an inner rotating key and an outer rotating key, side wings at two sides of the inner rotating key and the outer rotating key are respectively arranged in a gap slot of the inner lock liner and a gap slot of the outer lock liner in a sliding manner, and a groove used as an external force damage breakage position is arranged at one side of the lock shell corresponding to the outer lock liner; a pressure spring which can push the inner rotating key towards the direction of the peach-poking is arranged in the inner lock liner; a platform is cut at the upper part of the inner rotary key, and a lower magnetic attraction piece is fixedly arranged in the platform; an upper magnetic attraction piece is arranged in an upper magnetic attraction piece sliding groove of the inner lock liner above the lower magnetic attraction piece and is attracted with the lower magnetic attraction piece; in a normal state, the bottom of the upper magnetic attraction piece is tangent to the excircle of the inner rotating key; the height of the upper magnetic attraction piece is higher than the depth of the platform; when the lock core is broken off at the groove, the pressure spring pushes the inward rotating key outwards, and the upper magnetic part is attracted by the lower magnetic part and falls onto the platform under the action of magnetic force.

In the above technical scheme, during normal state, the bottom of the upper magnetic attraction piece is tangent to the excircle of the inner rotating key, so that the inner lock cylinder can not be prevented from being rotated to open and lock the door after a correct key is inserted. When the lock core is broken off at the groove, the pressure spring pushes the inner rotary key outwards for a certain distance, and the lower magnetic part sucks the upper magnetic part into the platform under the action of magnetic force to clamp the inner rotary key in the lock core. At this time, the card, together with the first ball assembly, prevents the unauthorized person from violently opening the door.

However, in the above-mentioned technology, when a criminal uses a drill to violently break the lock, the lock cylinder is not quenched, and the hardness of the lock cylinder is low and is easily damaged by the drill.

SUMMERY OF THE UTILITY MODEL

In order to improve the anti-drilling performance and the safety performance of lock core, this application provides an anti-drilling lock core.

The application provides an anti-drill lock core adopts following technical scheme:

the utility model provides a prevent boring lock core, includes the lock shell, be equipped with the lock sleeve in the lock shell, the lock sleeve rotates to be connected in the lock shell, the both ends of lock shell are equipped with respectively through the quenching processing prevent boring assembly, prevent boring assembly including preventing the piece and preventing the drilling rod, it has the mounting groove that is used for holding to prevent the piece to open on the terminal surface of lock shell, vertical division is equipped with the jack that is used for holding to prevent the drilling rod on the lock shell, the mounting groove communicates with each other with the jack, prevent wearing to locate to prevent the piece after the drilling rod passes through the jack.

By adopting the technical scheme, the anti-drilling assembly is arranged on the lock cylinder, and the anti-drilling assembly is subjected to quenching treatment and has higher hardness compared with a metal piece which is not subjected to quenching treatment. Meanwhile, the anti-drilling assembly is detachably connected with the lock cylinder, and the installation is convenient. Above-mentioned technical scheme, through preventing that the piece of boring matches with preventing the drilling rod, has improved the anti-drilling performance and the security performance of lock core.

Preferably, the anti-drilling block comprises a stop block and two mounting bars, the mounting bars are fixedly connected to the stop block, and the two mounting bars are respectively and fixedly connected to the two ends of the stop block in the length direction.

Through adopting above-mentioned technical scheme, when the lock core received the broken lock of violence, the mounting bar provided the holding power for the dog, has improved the stability of dog, has further strengthened the anti-drilling performance of dog, has improved the security of lock core.

Preferably, the end faces of the two ends of the lock shell are respectively provided with a locking hole, the locking holes are formed along the length direction of the lock shell, a locking rod is inserted into each locking hole, and the anti-drilling rod is provided with a connecting hole through which the locking rod penetrates.

Through adopting above-mentioned technical scheme, operating personnel inserts the lock casing with the check lock lever, and the check lock lever passes locking hole and connecting hole in proper order, realizes locking to preventing being connected of drilling rod and lock casing, has improved the connection stability of preventing the drilling rod in the lock casing.

Preferably, an ejection pressure spring is arranged in the jack and extruded between the bottom of the jack and the anti-drilling rod.

Through adopting above-mentioned technical scheme, when the check lock bar was inserted and is established in the connecting hole, ejecting pressure spring was in the extrusion state, when needs were changed and is prevented the drilling rod, operating personnel took out the check lock bar, and at this moment, the elastic potential energy release of ejecting pressure spring will prevent that the drilling rod is ejecting to this makes the taking out of preventing the drilling rod more convenient.

Preferably, the opposite two side surfaces of the stop block are respectively provided with a locking groove, a locking block slides in the locking groove, a limiting pressure spring is arranged between the locking block and the groove bottom of the locking groove, the lock shell is provided with a butt joint groove for the locking block to insert, and the butt joint groove is communicated with the locking groove.

Through adopting above-mentioned technical scheme, during the installation, operating personnel presses two latch segments earlier, and at this moment, spacing pressure spring elastic deformation, latch segment to the tank bottom sliding motion in locking groove, then, operating personnel will prevent the drill block along the length direction of lock shell and insert the mounting groove in, loosen the latch segment, spacing pressure spring elastic potential energy release, this elasticity promotes the latch segment and makes the latch segment get into the butt joint groove, realizes preventing the quick installation of drill block and lock shell.

Preferably, the upper surface and the lower surface of the stop block in the horizontal direction are respectively and fixedly connected with a limiting strip, and the top wall and the bottom wall of the mounting groove are respectively provided with a limiting groove for inserting the limiting strip.

Through adopting above-mentioned technical scheme, the cooperation of spacing groove and spacing strip provides the location for the installation of preventing the piece of boring, simultaneously, after the installation is accomplished, spacing groove and spacing strip cooperate and carry on spacingly to preventing the piece of boring, have improved the stability of preventing the piece of boring in the lock shell.

Preferably, the anti-drill rod is provided with at least two along the length direction of the lock case.

Through adopting above-mentioned technical scheme, the setting of a plurality of drilling rods of preventing has further improved the anti-drilling performance of lock core.

Preferably, the locking rod is provided with an ink injection hole along the length direction thereof, the lock shell is vertically provided with an ink guide hole, and the ink injection hole is communicated with the ink guide hole.

Through adopting above-mentioned technical scheme, operating personnel injects graphite into the lock shell through annotating the china ink hole in, then, graphite flows through leading the china ink hole, pours into between lock sleeve and the lock shell into, and then produces the lubrication to the lock sleeve, has reduced the frictional force between lock sleeve and the lock shell.

To sum up, the application comprises the following beneficial technical effects: the anti-drilling block and the anti-drilling rod which are subjected to quenching treatment have higher hardness than metal pieces which are not quenched, and the anti-drilling block and the anti-drilling rod are matched with each other, so that the lock cylinder can bear larger impact force when being broken by violence, and the anti-drilling performance and the safety performance of the lock cylinder are improved.

Drawings

Fig. 1 is a schematic structural diagram for embodying the present application.

Fig. 2 is an exploded schematic view for embodying the present application.

Fig. 3 is a sectional view for embodying a locking block and a docking slot.

Fig. 4 is a sectional view for embodying the ink supply hole and the ink guide hole.

Description of reference numerals: 1. a lock case; 101. mounting grooves; 1011. a limiting groove; 102. a jack; 103. a butt joint groove; 104. a locking hole; 105. a locking lever; 106. disassembling the hole; 2. a drill-stop assembly; 3. an anti-drilling block; 301. a stopper; 3011. a limiting strip; 302. mounting a bar; 3021. passing through the aperture; 303. a locking groove; 4. preventing a drill rod; 401. connecting holes; 402. ejecting a pressure spring; 5. a locking block; 501. a limiting pressure spring; 6. a lock sleeve; 601. an ink injection hole; 602. and ink guide holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses an anti-drilling lock cylinder. Referring to fig. 1 and 2, the anti-drilling lock cylinder comprises a lock shell 1, and a lock sleeve 6 is rotatably connected in the lock shell 1. The two ends of the lock shell 1 in the length direction are respectively provided with an anti-drilling assembly 2, and the anti-drilling assembly 2 is quenched and has high hardness.

Referring to fig. 2, the anti-drilling assembly 2 comprises an anti-drilling block 3 and an anti-drilling rod 4, wherein the end faces of two ends of the lock shell 1 are respectively provided with a mounting groove 101 for accommodating the anti-drilling block 3, the lock shell 1 is vertically provided with a jack 102 for accommodating the anti-drilling rod 4, and the anti-drilling rod 4 penetrates through the anti-drilling block 3 after passing through the jack 102. When the lock core is violently broken, the anti-drilling assembly 2 can bear larger impact force to protect the lock core, so that the possibility of successful violence breaking of illegal molecules is reduced, and the safety performance of the lock core is improved.

Referring to fig. 2, the anti-drilling block 3 comprises a stop 301 and a mounting bar 302, the cross section of the anti-drilling block 3 is U-shaped, the stop 301 is arranged parallel to the end surface of the lock case 1, and the mounting bar 302 is arranged perpendicular to the stop 301. The mounting bar 302 is fixedly connected to one side of the stopper 301 facing the bottom of the mounting groove 101. The number of the mounting bars 302 is two, and the two mounting bars 302 are respectively and fixedly connected to two ends of the stopper 301 in the length direction.

Referring to fig. 2, the mounting bars 302 are vertically provided with through holes 3021, the insertion holes 102 and the through holes 3021 are coaxial and communicated, the drilling-resistant rods 4 are inserted through the insertion holes 102 and the through holes 3021, and each mounting bar 302 is provided with two drilling-resistant rods 4 along the length direction thereof. The arrangement of the plurality of anti-drilling rods 4 improves the anti-drilling performance and the safety performance of the lock cylinder.

Referring to fig. 2, the lock case 1 is formed with a locking hole 104 along a length direction thereof, a locking rod 105 is inserted into the locking hole 104, and a coupling hole 401 into which the locking rod 105 is inserted is formed in the anti-drill rod 4. During installation, an operator inserts the anti-drilling rod 4 into the jack 102 and then inserts the locking rod 105 into the locking hole 104, so that the anti-drilling rod 4 is further locked while the anti-drilling rod 4 is rapidly installed, and the stability of the anti-drilling rod 4 in the lock shell 1 is improved.

Referring to fig. 2, an ejection compression spring 402 is provided between the bottom hole of the insertion hole 102 and the anti-drill rod 4, and the ejection compression spring 402 is pressed between the bottom hole of the insertion hole 102 and the anti-drill rod 4. With the increase of the service time or after the lock core suffers violent damage, the anti-drilling rod 4 needs to be replaced. At this time, the operator pulls out the locking rod 105, and at the same time, the elastic potential energy of the ejection compression spring 402 is released, and the elastic force pushes the anti-drilling rod 4 to eject it out of the jack 102, thereby improving the convenience of replacing the anti-drilling rod 4.

Referring to fig. 2 and 3, two side surfaces of the stopper 301 perpendicular to the width direction of the lock case 1 are respectively provided with a locking groove 303, and a locking block 5 slides in each locking groove 303. A limiting pressure spring 501 is arranged between the locking block 5 and the bottom of the locking groove 303, and the lock shell 1 is provided with a butt joint groove 103 for inserting the locking block 5.

Referring to fig. 3, during installation, an operator firstly presses the two locking blocks 5, at the moment, the limiting compression spring 501 elastically deforms, the locking blocks 5 slide towards the bottoms of the locking grooves 303, and then the operator inserts the anti-drilling block 3 into the installation groove 101 along the length direction of the lock shell 1. Then, the operator loosens the locking block 5, the elastic potential energy of the limiting pressure spring 501 is released, the elastic force pushes the locking block 5, the locking block 5 enters the butt joint groove 103, and the rapid installation of the anti-drilling block 3 and the lock shell 1 is realized. In addition, in order to facilitate the release of the connection between the locking pieces 5 and the locking grooves 303, a removal hole 106 is formed in the outer surface of the lock case 1, and the removal hole 106 communicates with the locking grooves 303.

Referring to fig. 2, the stopper 301 is fixedly connected to the upper surface and the lower surface of the stopper 301 respectively with a position-limiting strip 3011, and the top wall and the bottom wall of the mounting groove 101 are respectively provided with a position-limiting groove 1011 for inserting the position-limiting strip 3011. The cooperation of spacing groove 1011 and spacing strip 3011 provides the location for preventing the installation of piece 3 that drills, simultaneously, after the installation is accomplished, spacing groove 1011 and spacing strip 3011 cooperate and carry on spacingly to preventing the piece 3 that drills, have improved the stability of preventing the piece 3 in lock shell 1.

Referring to fig. 2 and 4, the locking rod 105 is provided with an ink injection hole 601 along the length direction thereof, the lock case 1 is vertically provided with an ink guide hole 602, the ink injection hole 601 is communicated with the ink guide hole 602, and the bottom end of the ink guide hole 602 penetrates through the lock sleeve 6. As the service life of the lock cylinder increases and the number of rotations of the lock sleeve 6 increases, the friction between the lock sleeve 6 and the lock case 1 gradually increases, requiring increased lubrication. At this moment, operating personnel injects graphite into the lock sleeve 6 through annotating the china ink hole 601, and then, graphite flows out through leading china ink hole 602, and then injects into between lock sleeve 6 and the lock shell 1, and graphite produces the lubrication to lock sleeve 6, has reduced the frictional force between lock sleeve 6 and the lock shell 1.

The implementation principle of this application embodiment anti-drill lock core does: when installing the anti-drill assembly, first, the operator pinches the two locking blocks 5, and at this time, the limiting compression spring 501 elastically deforms. Then, the operator inserts the stopper 301 into the lock case 1 along the length direction of the lock case 1, and then inserts the anti-drill rod 4 into the insertion hole 102. Finally, the operator presses the anti-slip rod 4 until the connection hole 401 and the locking hole 104 communicate with each other, at which time, the locking rod 105 is pushed to be inserted into the locking hole 104.

When the lock core receives the broken lock of violence, dog 301 can bear great impact force, the protection lock core, and simultaneously, mounting bar 302 provides the holding power for dog 301, if dog 301 is destroyed, prevents that drilling rod 4 continues to bear the impact force, the protection lock core.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an anti-drill lock core, includes lock shell (1), be equipped with lock sleeve (6) in lock shell (1), lock sleeve (6) rotate to be connected in lock shell (1), its characterized in that: the both ends of lock shell (1) are equipped with respectively and prevent boring subassembly (2) through quenching treatment, prevent boring subassembly (2) including preventing drill block (3) and preventing drilling rod (4), it has mounting groove (101) that are used for holding to prevent drill block (3) to open on the terminal surface of lock shell (1), vertical division is equipped with jack (102) that are used for holding to prevent drilling rod (4) on lock shell (1), mounting groove (101) communicate with each other with jack (102), prevent that drilling rod (4) wear to locate behind jack (102) and prevent drill block (3).

2. The anti-drill lock cylinder according to claim 1, characterized in that: prevent that diamond segment (3) includes dog (301) and mounting bar (302), mounting bar (302) fixed connection is in dog (301), mounting bar (302) are equipped with two, and two mounting bar (302) are fixed connection respectively at dog (301) length direction's both ends.

3. The anti-drill lock cylinder according to claim 1, characterized in that: the lock is characterized in that locking holes (104) are formed in the end faces of two ends of the lock shell (1) respectively, the locking holes (104) are formed along the length direction of the lock shell (1), locking rods (105) are inserted into the locking holes (104), and connecting holes (401) for the locking rods (105) to penetrate through are formed in the anti-drilling rod (4).

4. The anti-drill lock cylinder according to claim 1, characterized in that: an ejection pressure spring (402) is arranged in the jack (102), and the ejection pressure spring (402) is squeezed between the bottom of the jack (102) and the anti-drilling rod (4).

5. The anti-drill lock cylinder according to claim 2, characterized in that: open respectively on the relative both sides face of dog (301) and have locking groove (303), locking groove (303) internal slipping has latch segment (5), be equipped with spacing pressure spring (501) between the tank bottom of latch segment (5) and locking groove (303), it has confession latch segment (5) male butt joint groove (103) to open on lock shell (1), butt joint groove (103) communicate with each other with locking groove (303).

6. The anti-drill lock cylinder according to claim 2, characterized in that: the upper surface and the lower surface of dog (301) are fixedly connected with spacing strip (3011) respectively, the roof and the diapire of mounting groove (101) are opened respectively and are supplied spacing strip (3011) male spacing groove (1011).

7. The anti-drill lock cylinder according to claim 1, characterized in that: the anti-drilling rods (4) are arranged at least two along the length direction of the lock shell (1).

8. The anti-drill lock cylinder according to claim 3, characterized in that: the locking rod (105) is provided with an ink injection hole (601) along the length direction, the lock shell (1) is vertically provided with an ink guide hole (602), and the ink injection hole (601) is communicated with the ink guide hole (602).

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