CN210798527U - Multi-rail blade lock cylinder - Google Patents

Abstract

The utility model provides a multi-rail blade lock core, belonging to the field of security product manufacturing, which comprises a lock liner, a lock pin and a plurality of blades; a key hole is formed in the lock core along the length direction; the plurality of blades are slidably arranged on the lock cylinder, and the sliding direction of the blades is vertical to the length direction of the lock cylinder; a spring for controlling the resilience of the blade is further arranged between each blade and the lock cylinder, and two ends of each spring are respectively fixed on the lock cylinder and the blade; the lock core is also provided with a lock pin groove, and a lock pin capable of being ejected out is arranged in the lock pin groove; the bottom of the lock pin is provided with a plurality of sliding grooves, and the upper ends of the blades are provided with grooves matched with the sliding grooves. The utility model discloses a be provided with many spouts on the lock pin to improve the alignment degree of key and lock core, can avoid duplicating the use of key, thereby increased substantially the security of tool to lock.

Description

Multi-rail blade lock cylinder

Technical Field

The utility model relates to a tool to lock manufacturing technology especially relates to a multitrack blade lock core, belongs to security and treats articles for use and makes technical field.

Background

The lock core is a main part for controlling the unlocking of the lock, is a heart of the lock, and is a core part which can rotate and drive the lock bolt to move along with a key.

The lock core in the prior art generally comprises a lock core body, an outer sleeve and a locking block, wherein the lock core body is arranged in the outer sleeve, the locking block is arranged between the lock core body and the outer sleeve, after a key is inserted into the lock core body, the locking block is separated from the outer sleeve, and the lock core body rotates along with the key and drives a lock bolt to rotate so as to achieve the purpose of unlocking; however, the lock pin in the existing lock core is generally butted with the blade by adopting an arc-shaped groove, and the butting precision is very low; if a duplicate key or a simple universal unlocking tool is adopted, the blade can be conveniently twisted, so that the lock pin is rebounded to open the lock.

Therefore, how to improve the butting precision of the lock cylinder to the copy key and prevent the lock from being unlocked by a technology or the copy key becomes a difficult problem in the lock manufacturing industry.

SUMMERY OF THE UTILITY MODEL

The utility model provides a new multitrack blade lock core through set up a plurality of spouts on the lockpin, has improved the alignment precision of key by a wide margin to duplicate the technical problem that the key easily unblanked among the solution prior art.

The utility model discloses multi-rail blade lock core, include: the lock comprises a lock cylinder, a lock pin and a plurality of blades; a key hole is formed in the lock core along the length direction;

the plurality of blades are slidably arranged on the lock cylinder, and the sliding direction of the blades is vertical to the length direction of the lock cylinder; a spring for controlling the resilience of the blade is further arranged between each blade and the lock cylinder, and two ends of each spring are respectively fixed on the lock cylinder and the blade;

the lock core is also provided with a lock pin groove, and a lock pin capable of being ejected out is arranged in the lock pin groove; the bottom of the lock pin is provided with a plurality of sliding grooves, and the upper end of the blade is provided with a groove matched with the sliding grooves; wherein the groove of at least one of the vanes does not correspond to the sliding groove of the locking pin to allow the locking pin to be ejected.

The lock cylinder with the multiple-track blades is characterized in that the lock pin is provided with two V-shaped sliding grooves, and the two V-shaped sliding grooves are connected with each other so that the bottom of the cross section of the lock pin is W-shaped;

the blade is provided with a groove with a W-shaped section.

The lock cylinder with the multiple-track blades is characterized in that an inner pressure plate and an inner pressure spring are further arranged in the lock pin groove; the inner pressing plate is fixed on the lock liner, and the lock pin is pressed in the lock pin groove by the inner pressing plate through the inner pressure spring.

The lock core with the multiple-track blades is characterized in that each blade is provided with a through hole for accommodating a key;

a plurality of said blades comprising: a plurality of serpentine blades; a plurality of said serpentine blades disposed at non-edges of a plurality of said blades, respectively; and rectangular teeth matched with the key are arranged in the through hole of each snake-shaped blade.

The multiple-rail blade lock cylinder as described above, wherein the plurality of blades includes: the edge tooth blades are arranged at the front ends of the blades, and the polygonal blades are arranged at the rear ends of the blades;

the blade is characterized in that triangular teeth are arranged in the through hole of the edge tooth blade, and at least two triangular teeth or rectangular teeth are arranged in the through hole of the polygonal blade.

The multiple-rail blade lock cylinder as described above, wherein the plurality of blades includes: a wide angle blade disposed between the plurality of blades;

a wide rectangular tooth is arranged in the through hole of the large-angle blade.

The utility model discloses a be provided with many spouts on the lockpin to improve the alignment degree of key and lock core, the recess of at least one blade does not correspond with the spout of lockpin, so that the lockpin pops out, locks the lock core; the use of copying keys is avoided to the maximum extent, so that the safety of the lockset is greatly improved.

Drawings

Fig. 1 is an assembly structure view of a multi-track blade lock cylinder according to an embodiment of the present invention;

FIG. 2 is a structural diagram of the locking pin and the blade of the multi-track blade lock cylinder according to the embodiment of the present invention;

fig. 3 is a side view of fig. 2.

Detailed Description

Fig. 1 is a structural diagram of a lock cylinder with multiple blades according to an embodiment of the present invention, and fig. 2 and 3 are combined; the utility model discloses multi-rail blade lock core, include: a lock cylinder 1, a lock pin 3 and a plurality of blades 2; the lock core 1 is provided with a key hole along the length direction for inserting a key 5.

The plurality of blades 2 are slidably mounted on the lock cylinder 1, and the sliding direction of the blades 1 is vertical to the length direction of the lock cylinder 1; a spring 3 for controlling the resilience of the blade 2 is further arranged between each blade 2 and the lock cylinder 1, and two ends of each spring 3 are respectively fixed on the lock cylinder 1 and the blade 2; the spring plays a role in resetting the blade after the key leaves the keyhole.

The lock core 1 is also provided with a lock pin groove, and a lock pin 4 capable of being ejected is arranged in the lock pin groove; the bottom of the lock pin 4 is provided with a plurality of sliding grooves, and the upper end of the blade 2 is provided with a groove matched with the plurality of sliding grooves; wherein the groove of at least one of the vanes 2 does not correspond to the sliding groove of the locking pin 4, so that the locking pin 4 is ejected.

The utility model discloses a be provided with many spouts on the lockpin to improve the alignment degree of key and lock core, the recess of at least one blade does not correspond with the spout of lockpin, so that the lockpin pops out, locks the lock core; the use of copying keys is avoided to the maximum extent, so that the safety of the lockset is greatly improved.

As shown in fig. 2 and 3; in the multi-rail blade lock cylinder of the embodiment, the lock pin 4 is provided with two V-shaped sliding grooves, and the two V-shaped sliding grooves are connected with each other so that the bottom of the cross section of the lock pin 4 is W-shaped; the alignment precision of the shape is higher, once a copying key with low quality is adopted, the W-shaped sliding grooves are difficult to correspond to the blades, and the lock cylinder can be locked and cannot be opened for use.

Similarly, the blade 2 is provided with a groove with a W-shaped section.

In the multi-rail blade lock cylinder, an inner pressure plate 41 and an inner pressure spring 40 are also arranged in the lock pin groove; the inner pressure plate 41 is fixed on the lock core 1, and the inner pressure plate 41 presses the lock pin 4 in the lock pin groove through the inner pressure spring 40.

That is, when all the vanes are opposite to the lock pin, the lock pin is compressed in the lock pin groove in a contraction state.

Furthermore, each blade 2 is provided with a through hole for accommodating a key 5; the blades are generally in 6 to 8 groups, two in each group, respectively distributed from the keyhole to both sides.

The plurality of blades 2 includes: a plurality of serpentine blades 22; a plurality of said serpentine blades 22 are respectively arranged at the non-edges of a plurality of said blades 2; the through hole of each serpentine blade 22 is provided with a rectangular tooth for matching with the key.

In addition, a plurality of the blades 2 may further include: a side tooth blade 21 provided at the front end of the plurality of blades 2, and a polygonal blade 24 provided at the rear end of the plurality of blades 2; the polygonal blades 24 generally correspond to the topmost ends of the key.

Triangular teeth are arranged in the through hole of the edge tooth blade 21, and at least two triangular teeth or rectangular teeth are arranged in the through hole of the polygonal blade 24.

The lock core with multiple blades of the present embodiment, wherein the plurality of blades 2 may further include: a large angle blade 23 disposed in the middle of the plurality of blades 2; a wide rectangular tooth is arranged in the through hole of the large-angle blade 23.

Through the design of a plurality of different blades, the difficulty and the replication required precision of the key can be furthest increased, so that after the key is inserted into the key ring, the plurality of blades are difficult to align with the lock pin, and the purposes of preventing technical unlocking and copying the key unlocking are achieved.

The embodiment of the utility model provides a multi-rail blade lock core's advantage lies in:

1. the lock core is effectively prevented from being unlocked by a copied key;

2. the sliding effect of the W-shaped sliding grooves is better, and the alignment precision is higher;

3. the difficulty of key copying is increased by the plurality of different blades, and the precision requirement of key copying is improved;

4. the technology of low technology content is effectively avoided being unlocked, and the anti-theft effect is better.

Additionally, the utility model discloses a multiple track blade lock core cost of manufacture is not high, small and exquisite exquisiteness, and structural design is compact, and finished product quality is stable, anti-fake theftproof, simple to operate uses in the lock core protection of various mechanical lock and intelligent tool to lock.

The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments. Through the above description of the embodiments, those skilled in the art will clearly understand that the above embodiment method can be implemented by some modifications plus the necessary general technical overlap; of course, the method can also be realized by simplifying some important technical features in the upper level. Based on such understanding, the technical solution of the present invention essentially or the part contributing to the prior art is: the function and the structure of the lock pin and the double-groove blade are matched with the structure of each embodiment of the utility model.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (6)

1. A multiple-track blade lock cylinder, comprising: the lock comprises a lock cylinder, a lock pin and a plurality of blades; a key hole is formed in the lock core along the length direction;

the plurality of blades are slidably arranged on the lock cylinder, and the sliding direction of the blades is vertical to the length direction of the lock cylinder; a spring for controlling the resilience of the blade is further arranged between each blade and the lock cylinder, and two ends of each spring are respectively fixed on the lock cylinder and the blade;

the lock core is also provided with a lock pin groove, and a lock pin capable of being ejected out is arranged in the lock pin groove; the bottom of the lock pin is provided with a plurality of sliding grooves, and the upper end of the blade is provided with a groove matched with the sliding grooves; wherein the groove of at least one of the vanes does not correspond to the sliding groove of the locking pin to allow the locking pin to be ejected.

2. The lock cylinder with multiple blades as claimed in claim 1, wherein two V-shaped sliding grooves are provided on the lock pin, and the two V-shaped sliding grooves are connected with each other to make the bottom of the cross section of the lock pin in a W shape;

the blade is provided with a groove with a W-shaped section.

3. The multiple track blade lock cylinder of claim 1, wherein an internal pressure plate and an internal pressure spring are further disposed within said lock pin slot; the inner pressing plate is fixed on the lock liner, and the lock pin is pressed in the lock pin groove by the inner pressing plate through the inner pressure spring.

4. The lock cylinder with multiple blades according to claim 1, wherein each blade is provided with a through hole for accommodating a key;

a plurality of said blades comprising: a plurality of serpentine blades; a plurality of said serpentine blades disposed at non-edges of a plurality of said blades, respectively; and rectangular teeth matched with the key are arranged in the through hole of each snake-shaped blade.

5. The multiple rail blade lock cylinder of claim 4, wherein a plurality of said blades comprise: the edge tooth blades are arranged at the front ends of the blades, and the polygonal blades are arranged at the rear ends of the blades;

the blade is characterized in that triangular teeth are arranged in the through hole of the edge tooth blade, and at least two triangular teeth or rectangular teeth are arranged in the through hole of the polygonal blade.

6. The multiple rail blade lock cylinder of claim 4, wherein a plurality of said blades comprise: a wide angle blade disposed between the plurality of blades;

a wide rectangular tooth is arranged in the through hole of the large-angle blade.

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