CN1104706A

CN1104706A - Cranked key

Info

Publication number: CN1104706A
Application number: CN 93121469
Authority: CN
Inventors: 许允桐
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-28
Filing date: 1993-12-28
Publication date: 1995-07-05

Abstract

The key having directional function and cooperating with lock with tortuous key way comprises a head and a toothed part with more serial tooth plates. The tooth plate has convex wing at its bottom and "&"-shaped piece inserted into its centre, so the tooth plate would not slant when key is inserted into lock. As a result, unlocking action is more correct and lock core is not damaged.

Description

Cranked key

The present invention relates to a kind of directed dioptric type key, mainly form by the latch tooth portion that a plurality of gear piece constituted of connecting with one by a tapered end, each the gear piece bottom that it is characterized in that this tooth portion is provided with the protruding wing, and be inserted with " ㄇ " matrix in each gear piece middle body, guarantee that the present invention's each gear piece when inserting core is unlikely up and down or the left and right sides is crooked, make unlocking action more accurate, and can avoid the crooked core that injures, to improve the application life of core and key because of key.

A kind of dioptric type key that the core slotted eye is designed to meander-like of commonly seeing at present, and cooperate a flexible key to wear and reach the purpose of unblanking with locking the pearl engagement, but after long-time the use, key slightly weares and teares, joint gap between gear piece and gear piece has enlargement phenomenon, make the gear piece can be with respect to the easy on and off displacement slightly of adjacent gear piece, but after this kind easy on and off displacement meeting makes tortuous key insert core, can't be with the corresponding lock of accurate theta alignment pearl, especially when the dioptric type key inserts core downwards with its tooth portion, the easier generation of the situation of " stuck ", as shown in Figure 1, because the A1 of tooth portion of this type of key A is by a plurality of gear piece A11 link bunchiness shapes, so when the A1 of tooth portion is inserted in core B, very easily because of in poor shape with lock pearl B1 engagement, it is not good for example to lock the pearl action, frictional force is big and make gear piece A11 crooked or produce the situation of potential difference up and down, not only hinders tooth portion to plant, and therefore influences unlocking action, and the A1 of tooth portion also very easily produces fault after pullling for a long time, reduces its application life.In addition, shown in Figure 1A and 1B, now promptly form circular-arc because of the wearing and tearing between the every joint of the soft key of dioptric type, and the spring of the top of the lock pearl that the core body interior is installed and the decorative pearl on top of an official cap, very tiny, be can't on the one hand will lock pearl to be pushed into its limit, one side has unnecessary power that the soft key of dioptric type is pushed into again should the position location, because of promptly arriving former desired location between the lock pearl and the decorative pearl on top of an official cap, promptly can't unblank.

How to improve traditional dioptric type key, especially tooth portion structure really is the task of top priority, the also where the shoe pinches that solves for invention desire row.

Main purpose of the present invention is to provide a kind of directed dioptric type key with orientating function, is provided with the protruding wing in each gear piece bottom, can guarantee that this key each gear piece when inserting core is unlikely up and down or the left and right sides is crooked, makes unlocking action more accurate.

Secondary objective of the present invention, be to provide a kind of directed dioptric type key of avoiding injuring core because of key is crooked its can improve the application life of core and key.

A further object of the present invention is to provide a kind of directed dioptric type key, is provided with " ㄇ " matrix in the gear piece central sections, can expand the scope of application of core, and its left and right sides side chain pearl plays engagement, therefore can strengthen the complexity of core, to reach antitheft purpose.

Dioptric type key of the present invention, mainly form by a tapered end and a tooth portion, its tooth portion is made of a plurality of gear pieces, and each gear piece chains the bunchiness shape mutually with latch, it is one cone-shaped that the front end that is positioned at gear piece foremost is, be positioned at the protruding wing that thereafter gear piece bottom is provided with an evagination, be provided with a protruding wing relative in the gear piece bottom that is positioned at thereafter with the aforementioned protruding wing, be inserted with " ㄇ " matrix in each gear piece middle body with latch, it protrudes from each the gear piece left and right sides one suitable protrusion degree, gear piece outside in link bunchiness shape is provided with a slip shell that coats, its anterior saturating sky can protrude for gear piece, its front portion is provided with a protrusion, its left and right sides is provided with a long shape hole, its width cooperates the circle footpath of set circular hole on aforementioned this tapered end shell, set circular hole place also is provided with a circular hole on the shell with respect to this tapered end of this slip shell rear end again, be provided with a plurality of recessed roads in the top of slip shell, this tooth portion structure is arranged in and becomes a loose fit in the slip shell, in the slip shell is arranged in the hollow part of this tapered end shell, become a loose fit, wear the end that a latch runs through this long shape hole and tooth portion in the circular hole on the tapered end shell wall.

Directed dioptric type key of the present invention has following effect:

Because each gear piece bottom of the tooth portion of key of the present invention is provided with the protruding wing, be inserted with " ㄇ " matrix in each gear piece middle part, each gear piece is unlikely crooked in the time of not only can guaranteeing key insertion core, make unlocking action more accurate, can avoid damaging core thus, can prolong the application life of key and core, and can expand the scope of application of core, increase the complexity of core.

Reaching embodiment in conjunction with the accompanying drawings is described in further detail as follows to technical characterictic of the present invention:

The accompanying drawing simple declaration:

Fig. 1 is the schematic perspective view of key and core of commonly seeing.

Figure 1A, 1B are the shortcoming schematic diagrams of key of commonly seeing.

Fig. 2 A is the exploded perspective view of a preferred embodiment of the present invention.

Fig. 2 B is that this key cooperates the sectional view of unblanking with core.

Fig. 3 A is the sectional view of the tapered end of a preferred embodiment of the present invention.

Fig. 3 B is the exploded view of the tapered end of a preferred embodiment of the present invention.

Fig. 4 is the exploded perspective view of another preferred embodiment of the present invention.

Fig. 5 is the present invention's exploded perspective view of a preferred embodiment again.

Fig. 6 is the exploded perspective view of the another preferred embodiment of the present invention.

Shown in the figure such as tapered end exploded view of the tapered end sectional view of the exploded perspective view of Fig. 2 A preferred embodiment of the present invention, Fig. 3 A preferred embodiment of the present invention and Fig. 3 B preferred embodiment of the present invention.

The present invention mainly is made up of a tapered end 1 and a tooth portion 2, the structure of tapered end 1 is shown in Fig. 3 A and B, its outside is a shell 11, its inside is provided with the hollow part 12 that this shell 11 is run through in front and back, shell 11 walls in hollow part 12 1 sides are provided with a circular hole 13, in the shell 11 at hollow part 12 tops, be provided with a groove 14 again, these groove 14 bottoms and hollow part 12 connect, be provided with a shell fragment 15 in it, these shell fragment 15 central authorities are provided with a downward arc section 16 that protrudes a suitable radian, when being inserted in shell fragment 15 in the aforementioned grooves 14, both constitute tight fit, and this arc section 16 protrudes from a suitable height in the aforementioned hollow part 12, shown in Fig. 2 A, the invention is characterized in that this tooth portion structure 2 is by a plurality of

gear pieces

21,22,23 ... constitute, and each gear piece is to chain the bunchiness shape mutually with pin 24, it is one cone-shaped that the front end that is positioned at gear piece 21 foremost is, with convenient action of inserting core, and be positioned at the protruding wing 221 that thereafter gear piece 22 bottoms are provided with an evagination, be positioned at thereafter gear piece 23 bottoms and be provided with a protruding wing 231 relative with the described protruding wing 221, be inserted with " ㄇ " matrix 25 in each gear piece middle body with latch 24, should " ㄇ " matrix 25 protrude from each the gear piece left and right sides one suitable protrusion degree, secondly, outside each gear piece of link bunchiness shape, be provided with a slip shell 26 that coats, it is anterior saturating empty for

gear piece

21,22,23 ... can protrude, its front portion is provided with a raised line 261, its left and right sides is provided with a long shape hole 262, its width cooperates the circle footpath of circular hole 13 set on the shell 11 of aforementioned tapered end 1, set circular hole 13 places also are provided with a circular hole 263 on the shell 11 with respect to this tapered end 1 of these slip shell 26 rear ends again, on the top of slip shell 26, be provided with a plurality of recessed roads 264, in sum, this tooth portion structure 2 is arranged in and becomes a loose fit in the slip shell 26, this slip shell 26 is arranged in hollow part 12 interior one-tenth one loose fit of the shell 11 of this tapered end 1, in the set circular hole 13 of shell 11 walls of tapered end 1, wear a latch 17 again and run through the end of this long shape hole 262 and tooth portion structure 2, and when in this slip shell 26 slides on this hollow part 12, making its recessed road 264 aim at arc sections 16, this arc section 16 can impose a suitable press power, make the slip of slip shell 26 have paragraph sense, and aforementioned raised line 261 has barrier effect in order to slide into shell 11 rear portions when slip shell 26, avoid whole group tooth portion's structure 2 and slip shell 26 to break away from outside the shells 11, in sum as can be known, its protruding wing 221,231 setting can guarantee that not only this key each gear piece when inserting core is unlikely up and down or the left and right sides is crooked, make unlocking action more accurate, and can avoid the crooked core that injures because of key, can improve the scope of application of core and key, make lock pearl play engagement to left and right sides, therefore can increase the complexity of core, to reach antitheft purpose.

Shown in the exploded perspective view of another preferred embodiment of Fig. 4 the present invention, the structure 2A of tooth portion of this preferred embodiment is also by a plurality of gear piece 21A, 22A, 23A, 24A, 25A ... chain the bunchiness shape mutually with latch 26A, but the gear piece of its single digit, that is gear piece 21A, 23A, 25A ... central sections be provided with a lug 211A who links to each other with gear piece, 231A, 251A ... effect in order to it " ㄇ " matrix 25 shown in the alternate figures 2A, and its bottom is respectively equipped with to the left and right the suitably flange 212A of protrusion, 232A, 252A ... in order to the protruding wing 221 shown in the alternate figures 2A, 231, and the gear piece of its dual number digits, that is gear piece 22A, 24A ... the then complete smooth no projective structure in the left and right sides, in like manner, the gear piece structure of single digit and the gear piece structure of dual number digits can be exchanged mutually, also have identical functions.

As Fig. 5 the present invention again shown in the exploded perspective view of a preferred embodiment, the structure 2B of tooth portion of this preferred embodiment is also by a plurality of gear piece 21B, 22B, 23B, 24B, 25B ... chain the bunchiness shape mutually with latch 26B, but the gear piece of its single digit, that is gear piece 21B, 23B, 25B ... the bottom is provided with an oval lug 211B with suitable thickness that links to each other with gear piece, 231B, 251B ... in order to substitute the protruding wing 221 shown in Figure 2,231, and the gear piece of its dual number digits, that is gear piece 22B, 24B ... the bottom is provided with two-layer width and aforementioned oval lug 211B up and down, 231B, the oval lug 221B that the 251B width is identical, 241B ... distance therebetween then with this ellipse lug 211B, 231B, 251B fits in loose fit and is advisable, in like manner, the gear piece structure of single digit and the gear piece structure of dual number digits can be exchanged mutually, also have identical effect.

Shown in the exploded perspective view of the another preferred embodiment of Fig. 6 the present invention, the 2C of tooth portion of this preferred embodiment is by the identical cylindric tooth piece 21C of a plurality of external diameters, 22C, 23C, 24C, 25C ... chain the bunchiness shape mutually with latch 26C, it is positioned at foremost tooth piece 21C front end, and to be a point coniform, its bottom is provided with the suitable flange 211C that protrudes in both sides to the left and right, be positioned at dual number digits tooth piece 22C thereafter, 24C ... the bottom also be provided with flange 221C with said flange 211C same widths, 241C ... and the tooth piece 23C of its single digit, 25C ... the bottom does not then have any flanged structure, be provided with the lug 27C of suitable protrusion again in each tooth piece central sections, its effect is identical with " ㄇ " matrix 25 shown in Figure 2, in like manner, single digit gear piece structure and dual number digits gear piece structure can be exchanged mutually, also have identical function.

The above only is preferred embodiment of the present invention, and has reached extensive practical effect, and promptly the equalization of being done according to the present patent application claim generally changes and modifies, and all should still belong in the claim of the present invention.

Claims

1, a kind of directed dioptric type key, mainly form by a tapered end and a tooth portion, a pin outside is a shell, its inside is provided with the hollow part that this shell is run through in front and back, this shell wall in hollow part one side is provided with a circular hole, in the shell at hollow part top, be provided with a groove, this bottom portion of groove and hollow part connect, be provided with a shell fragment in it, this shell fragment central portion is provided with a downward arc section that protrudes a suitable radian, when shell fragment was inserted in the aforementioned grooves, both became a tight fit, and this aforementioned arc section protrudes from a suitable height in the aforementioned hollow part;

It is characterized in that, this tooth portion is made of a plurality of gear pieces, and each gear piece chains the bunchiness shape mutually with latch, it is one cone-shaped that the front end that is positioned at gear piece foremost is, be positioned at the protruding wing that thereafter gear piece bottom is provided with an evagination, be provided with a protruding wing relative in the gear piece bottom that is positioned at thereafter with the aforementioned protruding wing, be inserted with " ㄇ " matrix in each gear piece middle body with latch, it protrudes from each the gear piece left and right sides one suitable protrusion degree, gear piece outside in link bunchiness shape is provided with a slip shell that coats, its anterior saturating sky can protrude for gear piece, its front portion is provided with a protrusion, its left and right sides is provided with a long shape hole, its width cooperates the circle footpath of set circular hole on aforementioned this tapered end shell, set circular hole place also is provided with a circular hole on the shell with respect to this tapered end of this slip shell rear end again, be provided with a plurality of recessed roads in the top of slip shell, this tooth portion structure is arranged in and becomes a loose fit in the slip shell, in the slip shell is arranged in the hollow part of this tapered end shell, become a loose fit, wear the end that a latch runs through this long shape hole and tooth portion in the circular hole on the tapered end shell wall.

2, directed dioptric type key according to claim 1, it is characterized in that, described tooth portion chains the bunchiness shape by a plurality of gear pieces mutually with latch, the gear piece of its single digit, that is the gear piece central sections is provided with the lug that links to each other with gear piece, in order to substitute " ㄇ " matrix, its bottom is respectively equipped with the flange that suitably protrudes to the left and right, in order to the alternative protruding wing, the complete smooth no any protrusion in the left and right sides of its dual number digits gear piece, its single digit gear piece and dual number digits gear piece can be exchanged mutually.

3, directed dioptric type key according to claim 1, it is characterized in that, described tooth portion chains the bunchiness shape by a plurality of gear pieces mutually with latch, the bottom of its single digit gear piece is provided with one and links to each other with gear piece and the oval lug of suitable thickness is arranged, in order to substitute the described protruding wing, the bottom of its dual number digits gear piece is provided with bilevel width and the identical oval lug of aforementioned oval lug width, distance therebetween makes with this ellipse lug and fits in loose fit, and its single digit gear piece and dual number digits gear piece can be exchanged mutually.

4, directed dioptric type key according to claim 1, it is characterized in that, described tooth portion chains the bunchiness shape by the identical cylindric tooth piece of a plurality of external diameters mutually with latch, being positioned at foremost tooth piece front end, to be a point coniform, its bottom is provided with the suitable flange that protrudes in two ends to the left and right, the bottom that is positioned at dual number digits tooth piece thereafter also is provided with the flange with the said flange same widths, the bottom of single digit tooth piece does not have any flange, be provided with the lug of suitable protrusion in each tooth piece central sections, its single digit gear piece and dual number digits gear piece can be exchanged mutually.