CN211473695U - Anti-theft lock core - Google Patents
Anti-theft lock core Download PDFInfo
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- CN211473695U CN211473695U CN201921658966.9U CN201921658966U CN211473695U CN 211473695 U CN211473695 U CN 211473695U CN 201921658966 U CN201921658966 U CN 201921658966U CN 211473695 U CN211473695 U CN 211473695U
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Abstract
The utility model relates to an anti-theft lock core, which comprises a lock shell and a lock liner, wherein a spring assembly is arranged between the lock liner and the lock shell, the spring assembly extends into a key hole, a cross bar assembly is also arranged between the lock liner and the lock shell, and the cross bar assembly comprises side beads, a locking column, a cross bar and the like; the surface of the lock core is provided with a side bead groove and a transverse grid groove, the side beads are longitudinally arranged in the side bead groove in a sliding manner, the surface of each side bead is provided with a side bead leg and a transverse steel bead groove, and the side bead leg extends into the key hole; the transverse grid is transversely arranged in the transverse grid groove in a sliding manner, the inner side of the transverse grid is provided with a longitudinal steel ball groove, and steel balls are arranged between the transverse steel ball groove and the longitudinal steel ball groove; the inner wall of the lock liner hole is provided with a transverse sliding groove and an annular groove which are mutually communicated, and the locking column is arranged on the outer side of the transverse grid and extends into the transverse sliding groove or the annular groove. The anti-theft lock cylinder adopts two forms of a spring assembly and a transverse grid assembly to be locked in a composite mode, the key amount is large, and keys corresponding to the lock cylinders cannot be exchanged to unlock.
Description
Technical Field
The utility model relates to a lock core, especially a theftproof lock core.
Background
Most lock cores in the market at present can not prevent technical opening, can not play the theftproof effect, especially in recent years the technique of unblanking constantly develops, and generally the lock core is opened for a few seconds, and lock core locking structure in the market at present is more single in addition, for example, the lock core of blade plus side column is locked with the side column, and upper and lower pearl lock core is locked with last pellet shot from a slingshot, is very easily made master key after batch production like this. In order to solve the technical problems, the company designs the following patents, the patent number ZL201820742234.7 discloses a lock core for preventing technical unlocking in 2018, 12 and 28.A lock shell, a lock liner and a shifting fork. However, the structure is complex, the assembly efficiency is low, and the improvement is needed.
Disclosure of Invention
An object of the utility model is to provide a rational in infrastructure, the key is big, the technique is picked and is dialled a theftproof lock core that does not feel.
The purpose of the utility model is realized like this:
an anti-theft lock core comprises a lock shell and a lock core, wherein the lock core is arranged in a lock core hole of the lock shell, the lock core is provided with a key hole, an elastic component is arranged between the lock core and the lock shell, and the elastic component extends into the key hole; the surface of the lock liner is provided with a side bead groove and a transverse grid groove, the side bead groove is communicated with the transverse grid groove and the key hole, the side beads are longitudinally arranged in the side bead groove in a sliding manner, a longitudinal thrust spring is arranged between one end of each side bead and one end of the corresponding side bead groove, the surface of each side bead is provided with a side bead leg and a transverse steel bead groove, the side bead leg extends into the key hole, and the transverse steel bead groove faces the transverse grid groove; the transverse grid is transversely arranged in the transverse grid groove in a sliding manner, the transverse thrust spring is arranged between one end of the transverse grid and one end of the transverse grid groove, the inner side of the transverse grid is provided with a longitudinal steel ball groove, and the steel balls are arranged between the transverse steel ball groove and the longitudinal steel ball groove; the inner wall of the lock liner hole is provided with a transverse sliding groove and an annular groove, the transverse sliding groove is communicated with the annular groove, and the locking column is arranged on the outer side of the transverse grid and extends into the transverse sliding groove or the annular groove.
The purpose of the utility model can also adopt the following technical measures to solve:
more specifically, the side balls are more than one, the lock cylinder is provided with the side ball grooves corresponding to the side balls in a one-to-one correspondence mode, the side ball grooves are formed beside the key hole, one side, facing the key hole, of each side ball groove is provided with a first through hole, the side ball legs extend into the key hole through the first through holes, and the transverse thrust spring is arranged between the inner end of each side ball groove and the inner end of each side ball. When the number of the side beads is more than two, the heights of the transverse steel bead grooves of at least two side beads are different.
As a further scheme, the number of the steel balls is equal to that of the side balls, a second through hole is formed in one side, facing the transverse grid groove, of the side ball groove, the steel balls penetrate through the second through hole, one part of the steel balls fall into the transverse steel ball groove of the side balls, and the other part of the steel balls fall into the longitudinal steel ball groove of the transverse grid.
As a further scheme, more than one locking column is arranged, and the number of the annular grooves is equal to that of the locking columns.
As a further scheme, the transverse grid is in a long strip shape, one end of the transverse grid is provided with a positioning hole, one end of the transverse grid groove, corresponding to the positioning hole, is provided with a positioning groove, and the transverse thrust spring is arranged between the positioning hole and the positioning groove. The positioning hole and the positioning groove are used for positioning two ends of the transverse thrust spring respectively.
As a further scheme, more than two locking columns are arranged, each locking column is linearly arranged on the outer side of the transverse grid, the outer side of the transverse grid is provided with an insertion hole corresponding to the locking column, one end of each locking column is inserted into the insertion hole, and the other end of each locking column extends into the transverse sliding groove or the annular groove; one transverse sliding groove is formed, and the number of the annular grooves corresponds to the number of the locking columns one by one.
As a further scheme, the marble component comprises a lower marble, an upper marble, a marble spring and a sealing bead, wherein the lock shell is provided with an upper opening, the outer end of the upper opening is communicated with the surface of the lock shell, the inner end of the upper opening is communicated with a lock liner hole, the lock liner is provided with a lower opening corresponding to the upper opening, the outer end of the lower opening is communicated with the outer wall of the lock liner, and the inner end of the lower opening is communicated with the key hole; the lower marble is arranged in the lower open hole in a sliding manner, the upper marble, the marble spring and the sealing bead are arranged in the upper open hole and are sequentially positioned between the inner end and the outer end of the upper open hole, the upper marble is in sliding fit with the upper open hole, and the sealing bead is in interference fit with the upper open hole.
As a further aspect, the cartridge assembly is provided with more than one set, each set of cartridge assemblies corresponding to one upper opening and one lower opening. Wherein, when the bullet subassembly is equipped with more than two sets of, the length of at least two lower marbles is different.
Another object of the present invention is to provide a key with a theft-proof lock core that is reasonable in structure and not easy to copy.
Another object of the present invention is achieved as follows:
a key of an anti-theft lock cylinder comprises a key body and a handle, wherein the handle is arranged at one end of the key body, and the key is characterized in that a snake-shaped groove used for triggering a lateral ball leg is arranged on the side surface of the key body, one end of the snake-shaped groove is opened and leads to the other end of the key body, and a ball tooth used for triggering a ball component is arranged on the side edge of the key body.
The purpose of the utility model can also adopt the following technical measures to solve:
more specifically, the side wall of the snake-shaped groove is provided with a raised and lowered surface, and the opening end of the snake-shaped groove is in a trumpet shape, so that the side ball legs can be inserted into the snake-shaped groove conveniently.
The utility model has the advantages as follows:
(1) the anti-theft lock cylinder adopts two forms of a spring assembly and a transverse grid assembly to be locked in a composite mode, the key amount is large, and keys corresponding to the lock cylinders cannot be exchanged to unlock.
(2) The transverse bar of the transverse bar component of the anti-theft lock cylinder is unlocked through the side balls, transversely moves and longitudinally moves, so that the steel wire is adopted to pick the side balls, the movement rule of the transverse bar cannot be sensed, and the anti-theft lock cylinder effectively prevents technical opening.
(3) This kind of horizontal bars subassembly of theftproof lock core passes through horizontal gliding horizontal bars, the steel ball, locking post and horizontal thrust spring constitution side locking structure, common utilize horizontal bars directly to lock on being different from the market, the technique is picked and is not felt (horizontal bars transverse motion, side pearl longitudinal motion, so adopt the steel wire to pick and dial the side pearl, also can not feel the motion law of horizontal bars, thereby effectively prevent the technique and open), can't use the tin paper in addition and shake the rifle and all the appurtenance of unblanking, better protection user's safety.
(4) The key of the anti-theft lock core respectively unlocks the marble component and the transverse grid component through the sawtooth tooth patterns (marble teeth) and the snake-shaped grooves, and the sawtooth tooth patterns and the snake-shaped tooth patterns are not interfered with each other and are respectively locked.
Drawings
Fig. 1 is an exploded schematic view of an embodiment of the present invention.
Fig. 2 is a schematic view of the structure of the middle lock case of the present invention.
Fig. 3 is a schematic view of the lock case according to the present invention.
Fig. 4 is a schematic view of an angle structure of the middle lock core of the present invention.
Fig. 5 is a schematic view of another angle structure of the middle lock core of the present invention.
Fig. 6 is a schematic view of the structure of the middle bead of the present invention.
Fig. 7 is an angle structure diagram of the middle cross bar of the present invention.
Fig. 8 is a schematic view of another angle structure of the middle cross bar of the present invention.
Fig. 9 is a schematic structural view of the unlocking state of the lock case and the center bar of the present invention.
Fig. 10 is a schematic view of the longitudinal section of the middle lock core after a key is inserted.
Fig. 11 is another schematic longitudinal sectional view of the lock cylinder according to the present invention after a key is inserted into the lock cylinder.
Fig. 12 is a schematic view of another longitudinal section structure of the lock cylinder of the present invention after a key is inserted into the lock cylinder.
Fig. 13 is a schematic structural view of the locking position relationship between the middle rail and the lock case according to the present invention.
Fig. 14 is a schematic diagram of a vertical cross-section of the locking state of the present invention.
Fig. 15 is a schematic view of another vertical cross-section structure of the present invention in a locked state.
Fig. 16 is a schematic view of another vertical cross-section of the locking state of the present invention.
Fig. 17 is a schematic view of the structure of the key of the present invention.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
referring to fig. 1 to 8, an anti-theft lock core comprises a lock shell 1 and a lock core 3, wherein the lock core 3 is arranged in a lock core hole 11 of the lock shell 1, the lock core 3 is provided with a key hole 35, a spring assembly 2 is arranged between the lock core 3 and the lock shell 1, the spring assembly 2 extends into the key hole 35, a cross bar assembly 5 is further arranged between the lock core 3 and the lock shell 1, and the cross bar assembly 5 comprises side beads 51, a cross bar 55, steel beads 53, a locking column 54, a longitudinal thrust spring 52 and a transverse thrust spring 56; the surface of the lock core 3 is provided with a side bead groove 34 and a transverse grid groove 32, the side bead groove 34 is communicated with the transverse grid groove 32 and a key hole 35, a side bead 51 is longitudinally and slidably arranged in the side bead groove 34, a longitudinal thrust spring 52 is arranged between one end of the side bead 51 and one end of the side bead groove 34, the surface of the side bead 51 is provided with a side bead leg 512 and a transverse steel bead groove 511, the side bead leg 512 extends into the key hole 35, and the transverse steel bead groove 511 faces the transverse grid groove 32; the transverse grid 55 is transversely arranged in the transverse grid groove 32 in a sliding manner, the transverse thrust spring 56 is arranged between one end of the transverse grid 55 and one end of the transverse grid groove 32, the inner side of the transverse grid 55 is provided with a longitudinal steel ball groove 551, and the steel ball 53 is arranged between the transverse steel ball groove 511 and the longitudinal steel ball groove 551; the inner wall of the liner locking hole 11 is provided with a transverse sliding groove 13 and an annular groove 14, the transverse sliding groove 13 is communicated with the annular groove 14, and the locking column 54 is arranged on the outer side of the transverse grid 55 and extends into the transverse sliding groove 13 or the annular groove 14.
The side pearl 51 is equipped with more than one (this embodiment is equipped with four), the lock courage 3 corresponds each side pearl 51 respectively one-to-one and is equipped with side pearl groove 34, and side pearl groove 34 sets up by key hole 35, and one side of side pearl groove 34 orientation key hole 35 is equipped with first through-hole, and in side pearl leg 512 stretched into key hole 35 through first through-hole, be equipped with between the inner of side pearl groove 34 and the inner of side pearl 51 horizontal thrust spring 56.
The quantity of the steel balls 53 is equal to that of the side balls 51, a second through hole is formed in one side, facing the transverse grid groove 32, of the side ball groove 34, the steel balls 53 penetrate through the second through hole, one part of the steel balls 53 fall into the transverse steel ball groove 511 of the side balls 51, and the other part of the steel balls 53 fall into the longitudinal steel ball groove 551 of the transverse grid 55.
More than one (two in the embodiment) locking columns 54 are arranged, and the number of the annular grooves 14 is equal to that of the locking columns 54.
The transverse bar 55 is strip-shaped, one end of the transverse bar 55 is provided with a positioning hole 553, one end of the transverse bar groove 32 corresponding to the positioning hole 553 is provided with a positioning groove 33, and a transverse thrust spring 56 is arranged between the positioning hole 553 and the positioning groove 33.
The two locking columns 54 are linearly arranged on the outer side of the transverse grid 55, the outer side of the transverse grid 55 is provided with a jack 552 corresponding to the locking column 54, one end of the locking column 54 is inserted into the jack, and the other end of the locking column 54 extends into the transverse sliding groove 13 or the annular groove 14; one transverse sliding groove 13 is formed, and the number of the annular grooves 14 corresponds to the number of the locking columns 54 one by one.
The spring assembly 2 comprises a lower spring 21, an upper spring 22, a spring 23 and a sealing bead 24, the lock shell 1 is provided with an upper opening 12, the outer end of the upper opening 12 leads to the surface of the lock shell 1, the inner end of the upper opening 12 leads to the lock liner hole 11, the lock liner 3 is provided with a lower opening 31 corresponding to the upper opening 12, the outer end of the lower opening 31 leads to the outer wall of the lock liner 3, and the inner end of the lower opening 31 leads to the key hole 35; the lower marble 21 is arranged in the lower opening 31 in a sliding manner, the upper marble 22, the marble spring 23 and the sealing bead 24 are arranged in the upper opening 12 and are sequentially positioned between the inner end and the outer end of the upper opening 12, the upper marble 22 is in sliding fit with the upper opening 12, and the sealing bead 24 is in interference fit with the upper opening 12.
The bullet assemblies 2 are provided with more than one group (five groups in the embodiment), and each group of bullet assemblies 2 corresponds to one upper opening 12 and one lower opening 31.
Referring to fig. 17, a key 4 of an anti-theft lock cylinder comprises a key body 41 and a handle 44, wherein the handle 44 is arranged at one end of the key body 41, and is characterized in that a side surface of the key body 41 is provided with a serpentine groove 43 for activating the side ball leg 512, one end of the serpentine groove 43 is open and leads to the other end of the key body 41, and a side edge of the key body 41 is provided with a ball tooth 42 for activating the ball assembly 2.
The side wall of the serpentine groove 43 is provided with an undulated surface, and the open end of the serpentine groove 43 is formed in a trumpet shape (see a in fig. 17).
The working principle is as follows: as shown in fig. 9 to 12, when the correct key 4 is inserted into the key hole 35, the pin teeth 42 jack up the lower pin 21, and the lower pin 21 drives the upper pin 22 to move upward to a correct position, so that the upper pin 22 moves back into the upper opening 12 of the lock case 1, and the lower pin 21 does not extend out of the cylinder 3, thereby releasing the locking of the pin assembly. In addition, the snake-shaped groove 43 is sleeved outside the side ball leg 512 of the side ball 51, the side ball leg 512 moves along the snake-shaped groove 43, so that the side ball 51 is driven to move to a proper position, the transverse steel ball grooves 511 of the side balls 51 are all aligned to form a straight line and are aligned to the transverse grid groove 32, then the transverse grid 55 enters a specific position under the action of the transverse thrust spring 56, the transverse grid 55 drives the locking column 54 to enter the annular groove 14 of the lock shell 1, and at the same time, the lock core 3 can rotate to open the lock core.
As shown in fig. 13 to 16, when the key 4 is pulled out, the lower end of the upper pin 22 enters the lower opening 31 of the cylinder 3 under the action of the pin spring 23 to prevent the cylinder 3 from rotating relative to the lock case 1, which is the first heavy lock; in addition, the transverse steel ball grooves 511 and the transverse grid grooves 32 of the side balls 51 are staggered, so that the steel balls 53 are prevented from moving, namely the transverse grid 55 is prevented from moving, the locking columns 54 are prevented from entering the annular groove 14, the locking columns 54 are always located in the transverse sliding grooves 13 of the lock shell 1, the lock cylinder 3 cannot rotate, and the second locking is realized; the lock core is in a closed state under the double locking state. Of course, if a foreign object is inserted into the key hole 35, the lock cannot be released unless the lower pin 21 and the side ball 51 are completely fitted.
Claims (8)
1. An anti-theft lock core comprises a lock shell (1) and a lock core (3), wherein the lock core (3) is arranged in a lock core hole (11) of the lock shell (1), the lock core (3) is provided with a key hole (35), a spring assembly (2) is arranged between the lock core (3) and the lock shell (1), and the spring assembly (2) extends into the key hole (35), and the anti-theft lock core is characterized in that a transverse grid assembly (5) is also arranged between the lock core (3) and the lock shell (1), and the transverse grid assembly (5) comprises side beads (51), a transverse grid (55), steel balls (53), a locking column (54), a longitudinal thrust spring (52) and a transverse thrust spring (56);
the lock core is characterized in that a side bead groove (34) and a transverse grid groove (32) are formed in the surface of the lock core (3), the side bead groove (34) is communicated with the transverse grid groove (32) and a key hole (35), a side bead (51) is longitudinally arranged in the side bead groove (34) in a sliding mode, a longitudinal thrust spring (52) is arranged between one end of the side bead (51) and one end of the side bead groove (34), side bead legs (512) and a transverse steel bead groove (511) are formed in the surface of the side bead (51), the side bead legs (512) extend into the key hole (35), and the transverse steel bead groove (511) faces the transverse grid groove (32);
the transverse grid (55) is transversely arranged in the transverse grid groove (32) in a sliding manner, the transverse thrust spring (56) is arranged between one end of the transverse grid (55) and one end of the transverse grid groove (32), the inner side of the transverse grid (55) is provided with a longitudinal steel ball groove (551), and the steel ball (53) is arranged between the transverse steel ball groove (511) and the longitudinal steel ball groove (551);
the inner wall of the liner locking hole (11) is provided with a transverse sliding groove (13) and an annular groove (14), the transverse sliding groove (13) is communicated with the annular groove (14), and the locking column (54) is arranged on the outer side of the transverse grid (55) and extends into the transverse sliding groove (13) or the annular groove (14).
2. The anti-theft lock core according to claim 1, characterized in that more than one side ball (51) is provided, the lock core (3) is provided with the side ball grooves (34) corresponding to the side balls (51), the side ball grooves (34) are arranged beside the key hole (35), one side of each side ball groove (34) facing the key hole (35) is provided with a first through hole, the side ball legs (512) extend into the key hole (35) through the first through holes, and the transverse thrust spring (56) is arranged between the inner end of each side ball groove (34) and the inner end of each side ball (51).
3. The anti-theft lock core according to claim 2, characterized in that the number of the steel balls (53) is equal to that of the side balls (51), a second through hole is arranged on the side of the side ball groove (34) facing the cross bar groove (32), the steel balls (53) pass through the second through hole, one part of the steel balls (53) falls into the transverse steel ball groove (511) of the side balls (51), and the other part of the steel balls (53) falls into the longitudinal steel ball groove (551) of the cross bar (55).
4. Anti-theft lock cylinder according to claim 1, characterized in that said locking studs (54) are provided in more than one number, said annular grooves (14) being equal in number to the number of locking studs (54).
5. The anti-theft lock core according to claim 4, characterized in that the bar (55) is long, one end of the bar (55) is provided with a positioning hole (553), one end of the bar groove (32) corresponding to the positioning hole (553) is provided with a positioning groove (33), and the transverse thrust spring (56) is arranged between the positioning hole (553) and the positioning groove (33).
6. The anti-theft lock core according to claim 5, characterized in that more than two locking columns (54) are provided, each locking column (54) is arranged on the outer side of the cross bar (55) in a straight line, the outer side of the cross bar (55) is provided with a jack (552) corresponding to the locking column (54), one end of the locking column (54) is inserted into the jack, and the other end of the locking column (54) extends into the transverse sliding groove (13) or the annular groove (14); one transverse sliding groove (13) is formed, and the number of the annular grooves (14) corresponds to the number of the locking columns (54) one by one.
7. The anti-theft lock core according to claim 1, characterized in that the ball assembly (2) comprises a lower ball (21), an upper ball (22), a ball spring (23) and a sealing ball (24), the lock shell (1) is provided with an upper opening (12), the outer end of the upper opening (12) is opened to the surface of the lock shell (1), the inner end of the upper opening (12) is opened to the lock core hole (11), the lock core (3) is provided with a lower opening (31) corresponding to the upper opening (12), the outer end of the lower opening (31) is opened to the outer wall of the lock core (3), and the inner end of the lower opening (31) is opened to the key hole (35); the lower marble (21) is arranged in the lower opening (31) in a sliding mode, the upper marble (22), the marble spring (23) and the sealing bead (24) are arranged in the upper opening (12) and are sequentially located between the inner end and the outer end of the upper opening (12), the upper marble (22) is in sliding fit with the upper opening (12), and the sealing bead (24) is in interference fit with the upper opening (12).
8. Anti-theft lock cylinder according to claim 7, characterized in that said pin assemblies (2) are provided in more than one group, each group of pin assemblies (2) corresponding to one upper opening (12) and one lower opening (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921658966.9U CN211473695U (en) | 2019-09-30 | 2019-09-30 | Anti-theft lock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921658966.9U CN211473695U (en) | 2019-09-30 | 2019-09-30 | Anti-theft lock core |
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| Publication Number | Publication Date |
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| CN211473695U true CN211473695U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921658966.9U Active CN211473695U (en) | 2019-09-30 | 2019-09-30 | Anti-theft lock core |
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| CN (1) | CN211473695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630102A (en) * | 2019-09-30 | 2019-12-31 | 中山市皇鼎五金制品有限公司 | Anti-theft lock core and key thereof |
-
2019
- 2019-09-30 CN CN201921658966.9U patent/CN211473695U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630102A (en) * | 2019-09-30 | 2019-12-31 | 中山市皇鼎五金制品有限公司 | Anti-theft lock core and key thereof |
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