TWI770778B - Multiple power variable lock-core structure - Google Patents

Abstract

A multiple power variable lock-core structure has a lock-core shell, a plurality of sheets and a plurality of spacers is provided. The lock-core shell has an inner- cylinder. A positioning groove is arranged on an inner wall of the inner-cylinder, and the sheets penetrate the inner-cylinder. A peripheral edge of each sheet is extended with a bump and an arc-shaped groove, and each bump is movably accommodated in the positioning groove. Each sheet defines a radial line passing through a center of each bump, and an included angle is formed by each radial line and a center line of each arc-shaped groove. The sheets and the spacers are overlap by each other. Wherein a thickness of a part of the sheets is different from a thickness of another part of the sheets, or the included angle of a part of the sheets is a multiple of N, and the included angle of other part of the sheets is a multiple of M.

Description

A variety of power change lock core structure

The present invention relates to a lock structure, and in particular, to a lock core structure with multiple power changes.

The disd tumbler lodk currently used in locks mainly includes an outer sleeve, a lock cylinder body accommodated in the outer sleeve, and a pin rod that is engaged between the outer sleeve and the lock cylinder body, The lock cylinder system is composed of many flat and circular rows of sheets superimposed. When the correct key is inserted into the lock cylinder body, each row of sheets can be moved in linkage, and the pin rod is completely retracted into each row of sheets to achieve the unlocking function.

However, with the technologicalization of lock-picking tools and the explosive spread of criminal methods, thieves have simple and diverse ways to learn lock-picking, resulting in a gradual increase in theft cases of technical unlocking and burglary. Therefore, how to transform the arrangement of the pieces so that each arrangement can be matched with more arrangement combinations, thereby increasing the variation of the groove of the key, and improving the effect of anti-theft and anti-vandalism, is one of the key points of research in the lock industry.

In view of this, the inventor of the present invention has devoted himself to the research and application of the theory in view of the above-mentioned prior art, and tried his best to solve the above-mentioned problems, which has become the goal of the present inventor's development.

The present invention provides a variety of power-changing lock core structures, which utilizes the different thicknesses of some of the row sheets and different positions of some arc-shaped grooves, so that the multiple power-changing lock core structures can produce more arrangement combinations and changes, so as to achieve a variety of The power-changing lock core structure has excellent anti-theft and anti-destructive effects.

In the embodiment of the present invention, the present invention provides a variety of power-changing lock core structures, including: a lock core shell, including an inner cylinder and an outer casing, the inner wall of the inner cylinder is provided with a positioning groove, the The inner cylinder is pierced through the outer casing, one end of the outer casing is provided with a locking hole, and one end of the inner cylinder away from the locking hole is concavely provided with a locking end hole corresponding to the center point of the plurality of rows of sheets. The depth of the hole is between 2.5mm and 5mm; a plurality of rows of sheets are passed through the inner cylinder, and the outer periphery of each row of sheets extends with a protrusion and an arc-shaped groove, and each of the protrusions can be movably accommodated. is placed in the positioning groove, and each row of sheets defines a radial line passing through the center of each of the protruding blocks, and an included angle is formed between each of the radial lines and the center line of each of the arc-shaped grooves; and a plurality of The spacer and the plurality of rows of sheets are stacked alternately with each other; wherein, the thickness of a part of the plurality of rows of sheets is one of 1mm, 2mm and 3mm, and the thickness of the other part of the plurality of rows of sheets is the other of 1mm, 2mm and 3mm, to Let the thickness of the plurality of rows of sheets be different, and the degree of each of the included angles of a part of the plurality of rows of sheets is a multiple of one of 5, 10 and 15, and the degrees of each of the included angles of the other part of the plurality of rows of sheets are 5, 10 and 15 A multiple of the other, so that the included angles of the plurality of sheets are different, the two sides of the positioning groove and the center of the inner cylinder define a central angle, and the angle of each included angle is smaller than the angle of the central angle.

Based on the above, the thickness of a part of the plural arrays is different from the thickness of another part of the plural arrays, the degree of each included angle of a part of the plural arrays is a multiple of N, and the degree of each included angle of another part of the plural arrays is a multiple of M, and N and M The keys are different positive integers, so that the keys matched with multiple rows of chips can produce more arrangement combinations and changes through the grooves, so as to improve the anti-theft and anti-damage effects of the lock core structure with various power changes.

10: A variety of power change lock core structure

1: lock core shell

11: Outer body

111: snap groove

112: Keyhole

12: Inner cylinder

121: Through Hole

122: Positioning slot

123: Lock end hole

13: Pin rod

2: Arrangement

21: Bumps

22: Arc groove

23: Through hole

3: Spacer

31: Fixed block

32: Arc Notch

a, b: thickness

h: depth

D: center line

L: radial line

θ 1: included angle

θ 3: central angle

100: key

101: Grooves

102: Head end

103: Groove

s: length

FIG. 1 is a three-dimensional combined view of various power-changing lock core structures of the present invention.

FIG. 2 is a perspective exploded view of various power-changing lock core structures of the present invention.

FIG. 3 is another exploded perspective view of various power-changing lock core structures of the present invention.

FIG. 4 is a schematic cross-sectional view of various power-changing lock core structures of the present invention.

FIG. 5 is another cross-sectional schematic diagram of various power-changing lock core structures of the present invention.

FIG. 6 is a schematic diagram of the grooves of the key of the present invention corresponding to a plurality of rows of pieces.

FIG. 7 is a schematic cross-sectional view of another embodiment of the lock core structure with various power changes of the present invention.

FIG. 8 is a schematic diagram of another embodiment of the groove of the key corresponding to the plurality of rows of pieces of the present invention.

FIG. 9 is a perspective view of other various embodiments of the key of the present invention.

The detailed description and technical content of the present invention will be described below with the accompanying drawings, however, the accompanying drawings are only used for illustration purposes and are not intended to limit the present invention.

Referring to FIGS. 1 to 8 , the present invention provides a variety of power-change lock core structures. The multiple power-change lock core structures 10 mainly include a lock core shell 1 , a plurality of rows of sheets 2 and a plurality of spacers 3 .

As shown in FIGS. 1 to 5 and 7 , the lock core shell 1 includes an outer casing 11 , an inner cylinder 12 and a pin rod 13 . The inner wall of the outer casing 11 is provided with an engaging groove 111 and one end is provided with a lock hole 112.

In addition, the inner cylinder 12 passes through the outer casing 11 , the inner and outer walls of the inner cylinder 12 are jointly provided with a hollow groove 121 and the inner wall is provided with a positioning groove 122 , the two sides of the positioning groove 122 and the center of the inner cylinder 12 A central angle θ 3 is defined.

In addition, one end of the inner cylinder 12 away from the locking hole 112 is recessed with a locking end hole 123, and the depth h of the locking end hole 123 is between 2.5 mm and 5 mm. The depth h of the lock end hole 123 in the embodiment shown in FIG. 4 is 2.5 mm, and the depth h of the lock end hole 123 in the embodiment shown in FIG. 7 is 5 mm, and the one-dot chain line in FIG. 7 indicates the lock of the embodiment in FIG. 4 The depth h of the end hole 123 is 2.5 mm to represent the variation of the depth h of the locking end hole 123 in the embodiment of FIG. 7 .

Furthermore, the axial directions of the pin rod 13 , the outer casing 11 and the inner cylinder 12 are arranged parallel to each other, and the pin rod 13 is engaged between the engaging groove 111 and the permeable groove 121 , so that the inner cylinder 12 cannot face the outer casing 11 . Rotate to show the locked state.

As shown in FIG. 2 to FIG. 8 , the plurality of rows of sheets 2 pass through the inner cylinder 12 , and the center points of the plurality of rows of sheets 2 are arranged corresponding to the locking end holes 123 , and the outer periphery of each row of sheets 2 extends with a protrusion 21 and an arc. Each of the protrusions 21 is movably accommodated in the positioning groove 122, and each row of sheets 2 defines a radial line L passing through the center of each protrusion 21. Each radial line L is associated with each arc. An included angle θ1 is formed between the centerlines D of the grooves 22, the angle of each included angle θ1 is smaller than the angle of the central angle θ3, and a through hole 23 is provided in the middle of each row of sheets 2, and each through hole 23 can be circular , rectangle and other arbitrary geometric shapes, which are not limited by this embodiment.

As shown in FIGS. 2 to 5 and 7 , a plurality of spacers 3 and a plurality of rows of sheets 2 are stacked on top of each other, each spacer 3 is an annular sheet, and a fixed block 31 and an arc extend from the outer periphery of each spacer 3 Each fixing block 31 is embedded in the positioning groove 122 , and each arc-shaped notch 32 is arranged corresponding to the through-hole groove 121 .

Wherein, the thickness a of a part of the plural rows of sheets 2 is different from the thickness b of another part of the complex rows of sheets 2, or the degree of each included angle θ 1 of a part of the complex row sheets 2 is a multiple of N, and each of the included angles θ 1 of the other part of the complex row sheets 2 The degree of is a multiple of M, and N and M are distinct positive integers.

The best implementation of the present invention is as follows, the thickness a of a part of the plurality of rows of sheets 2 is one of 1mm, 2mm and 3mm, and the thickness b of another part of the plurality of rows of sheets 2 is the other of 1mm, 2mm and 3mm. for restrictions.

In addition, the optimal implementation of the above-mentioned N is one of 5, 10 and 15, and the optimal implementation of M is the other of 5, 10 and 15, so that the degree of each included angle θ 1 of a part of the plurality of rows of sheets 2 is 5, the multiple of one of 10 and 15, the degree of each included angle θ 1 of the other part of the complex array 2 is a multiple of the other of 5, 10 and 15, and the angle of the central angle θ 3 of this embodiment is 120 degrees, the angle of each included angle θ 1 is less than 120 degrees, but not limited thereto.

As shown in FIG. 4 to FIG. 8 , the use states of the various power-changing lock core structures 10 of the present invention are that the key 100 is inserted into the plurality of through holes 23 , the plurality of spacers 3 and the lock end holes 123 in sequence from the lock hole 112 . In the middle, turn the key 100 again to drive the plurality of row pieces 2 to rotate until each bump 21 moves from one side of the positioning groove 122 to the other side of the positioning groove 122, and the plurality of arc-shaped grooves 22 and the arc-shaped notches 32 are arranged in a row At this time, the pin rod 13 will disengage from the engaging groove 111 and fall into the plurality of arc-shaped grooves 22 and arc-shaped notches 32, so that the inner cylinder 12 can rotate relative to the outer casing 11 to present an unlocked state.

In addition, the thickness a of a part of the plural rows of sheets 2 is different from the thickness b of the other part of the complex rows of sheets 2, the degree of each included angle θ 1 of a part of the complex row sheets 2 is a multiple of N, and the angle θ 1 of the other part of the complex row sheets 2 is The degree is a multiple of M, and N and M are different positive integers, so the thicknesses a and b of some of the sheets 2 are different, and the positions of some of the arc-shaped grooves 22 are also different, so that the lock core structure 10 can produce more power changes. There are multiple arrangements and changes, and one side of the key 100 is provided with a plurality of grooves 101. The grooves 101 will cooperate with the plurality of rows of sheets 2 to change the number of grooves, the depth of the grooves or the width of the grooves, so that the key 100 can pass through the grooves 101. More arrangements and changes are generated to improve the anti-theft and anti-damage effects of the lock core structure 10 with various power changes.

Furthermore, the depth h of the lock end hole 123 is between 2.5 mm and 5 mm, so that the head end 102 of the key 100 can be matched with the lock end hole 123 to change the length, and the plurality of grooves 101 of the key 100 can also be changed according to the lock end hole 123 position, so that the head end 102 of the key 100 can produce various depth changes, and the plurality of grooves 101 of the key 100 can change the position, thereby further enhancing the anti-theft and anti-damage effects of the lock core structure 10 with various power changes.

Also, the embodiment in FIG. 6 shows that the groove 101 and the head end 102 of the key 100 cooperate with the plurality of rows of sheets 2 and the depth h of the lock end hole 123 is 2.5 mm. The embodiment in FIG. 8 shows the groove 101 and the head end of the key 100. The depth h of the end 102 matched with the plurality of row pieces 2 and the locking end holes 123 is a schematic diagram of 5mm, and the one-dot chain line in FIG. 8 indicates the position of the plurality of grooves 101 in the embodiment of FIG. The position of 101 changes due to the different depth h of the locking end hole 123 .

Please refer to FIG. 9 , which are other various embodiments of the key 100 of the present invention. The key 100 is further provided with a groove 103 opened along the axial direction. The groove 103 can also change the number of grooves (for example: 0, 1, 2 , 3, 4), the depth of the groove, the width of the groove or the position of the groove, and the key 100 can also have different lengths s, so that the key 100 can generate more arrangements and changes through the groove 103 and the length s, so as to improve the The anti-theft and anti-damage effects of the lock core structure 10 with various power changes.

In addition, for example, when the thickness of the plurality of sheets 2 is 20mm, the difference between the thicknesses a and b of the sheets 2 is a multiple of 0.8mm, then the thickness a and b of the sheets 2 can produce 25 kinds of changes, the angle of the central angle θ 3 When it is 120 degrees, the angle θ 1 of the arrangement 2 changes to a multiple of 15 degrees, then the included angle θ 1 can produce 8 kinds of changes. When the depth h of the locking hole 123 is between 2.5mm and 5mm, the depth h The change is a multiple of 0.5mm, then the depth h can produce 6 kinds of changes, and then with reference to the following table 1, it is known that the lock core structure 10 with various power changes of the present invention can produce 8 changes to the power of 600, 528, and 480, But don't limit it.

To sum up, the various power-changing lock core structures of the present invention have never been seen in similar products and are publicly used, and have industrial applicability, novelty and progress, and fully meet the requirements for patent application. Please check carefully and grant the patent in this case to protect the rights of the inventor.

10: A variety of power change lock core structure

1: lock core shell

11: Outer body

111: snap groove

112: Keyhole

12: Inner cylinder

121: Through Hole

122: Positioning slot

123: Lock end hole

13: Pin rod

2: Arrangement

23: Through hole

3: Spacer

31: Fixed block

32: Arc Notch

a, b: thickness

h: depth

Claims (4)

A variety of power-changing lock core structures, including: a lock core shell, including an inner cylinder and an outer casing, the inner wall of the inner cylinder is provided with a positioning groove, the inner cylinder is penetrated in the outer casing, the One end of the outer shell is provided with a lock hole, and the end of the inner cylinder away from the lock hole is recessed with a lock end hole corresponding to the center point of the plurality of rows of sheets, and the depth of the lock end hole is between 2.5mm and 5mm. ; A plurality of rows of sheets are arranged in the inner cylinder, the outer periphery of each row of sheets extends with a projection and an arc-shaped groove, each of the projections is movably accommodated in the positioning groove, and each row of sheets A radial line passing through the center of each of the protruding blocks is defined, and an included angle is formed between each of the radial lines and the center line of each of the arc-shaped grooves; and a plurality of spacers are stacked alternately with each other; Among them, the thickness of a part of the plurality of rows of sheets is one of 1mm, 2mm and 3mm, and the thickness of another part of the plurality of rows of sheets is the other of 1mm, 2mm and 3mm, so that the thickness of the plurality of rows of sheets is different, and a part of The degree of each of the included angles of the plurality of sheets is a multiple of one of 5, 10, and 15, and the degree of each of the included angles of the other part of the plurality of sheets is a multiple of the other of 5, 10, and 15, so that the complex number The number of the included angles of the row sheets is different, the two sides of the positioning groove and the center of the inner cylinder define a central angle, and the angle of each included angle is smaller than the angle of the central angle. The lock core structure with multiple power changes as claimed in claim 1, wherein the lock core shell further comprises a pin rod, the inner wall of the outer casing is provided with an engaging groove, and the inner and outer walls of the inner cylinder body are jointly provided with a transparent An empty slot, the pin rod is engaged between the engaging slot and the transparent slot. The multiple power-changing lock core structures as claimed in claim 2, wherein a fixing block and an arc-shaped notch extend from the outer periphery of each of the spacers, each of the fixing blocks is embedded in the positioning groove, and each of the arc-shaped notch Corresponds to the configuration of the through-hole slot. The multiple power-change lock core structures as claimed in claim 1, wherein a through hole is provided in the middle of each row of sheets.

Images