阅读说明：本技术 一种适用于一字钥匙的空转叶片锁锁芯总成及其钥匙 (Idle running blade lock core assembly suitable for straight key and key thereof ) 是由 黄旭军 于 2021-03-04 设计创作，主要内容包括：本发明公开了一种适用于一字钥匙的空转叶片锁锁芯总成及其钥匙,锁芯总成包括号码片套、号码片和隔片；每个所述号码片的中部均设有异形通孔,异形通孔上设有多级环形呈阶梯状的牙花槽,所有牙花槽中有且只有一个用于开锁的牙花槽；每个所述号码片的外沿上均设有号码片凹槽,每个所述号码片上用于开锁的牙花槽同时转动并位于同一位置时,所有的号码片凹槽对齐。钥匙包括钥匙头和钥匙柄,钥匙头一侧边上设有多级竖直的牙花；牙花能在钥匙头转动时上述用于开锁的牙花槽适配。本发明不仅能够降低互开率,还具有不易被暴力强拧破坏、结构稳定性较强、钥匙插入较方便、加工较方便、能适应锁芯较短且牙花数量有要求的场合和钥匙转动较流畅的优点。(The invention discloses an idling blade lock cylinder assembly suitable for a straight key and a key thereof, wherein the lock cylinder assembly comprises a number plate sleeve, a number plate and a spacer; the middle part of each code sheet is provided with a special-shaped through hole, the special-shaped through hole is provided with a plurality of annular stepped tooth flower grooves, and only one tooth flower groove for unlocking is arranged in all the tooth flower grooves; the outer edge of each number plate is provided with a number plate groove, and when the tooth flower grooves used for unlocking on each number plate rotate simultaneously and are located at the same position, all the number plate grooves are aligned. The key comprises a key head and a key handle, wherein one side edge of the key head is provided with a plurality of stages of vertical tooth patterns; the tooth flower can be matched with the tooth flower groove for unlocking when the key head rotates. The invention can reduce the mutual opening rate, and has the advantages of difficult violent twisting damage, strong structural stability, convenient key insertion and processing, suitability for occasions with shorter lock cylinders and required tooth number and smooth key rotation.)

1. The utility model provides an idle running blade lock core assembly suitable for a word key which characterized in that: the number plate comprises a number plate sleeve (1), wherein a plurality of number plates (2) and spacers (3) which are arranged at intervals are arranged in the number plate sleeve (1); the number plate sleeve (1) is provided with a needle groove (4) and a rotation stopping groove (5) for fixing the spacer (3), and a needle roller (6) is arranged in the needle groove (4); a spacer groove (7) is formed in the outer side of each spacer (3) corresponding to the needle rolling groove (4); the middle part of each code sheet (2) is provided with a special-shaped through hole (8), the special-shaped through holes (8) are provided with a plurality of stages of tooth flower grooves (9) which are arranged in a ladder shape, all the tooth flower grooves (9) are distributed annularly around the circle center of the code sheet (2), and only one tooth flower groove (9) for unlocking is arranged in all the tooth flower grooves (9); the outer edge of each code sheet (2) is provided with a code sheet groove (10), and when the tooth flower grooves (9) used for unlocking on each code sheet (2) rotate simultaneously and are located at the same position, all the code sheet grooves (10) are aligned.

2. The lock cylinder assembly of claim 1, wherein the lock cylinder assembly comprises: the number plate groove (10) arranged on the outer edge of the number plate (2) is aligned with the tooth flower groove (9) of any stage.

3. The lock cylinder assembly of claim 1, wherein the lock cylinder assembly comprises: bosses (11) are arranged at the positions, corresponding to the rotation stopping grooves (5), of the outer side of the spacer (3).

4. The lock cylinder assembly of claim 1, wherein the lock cylinder assembly comprises: the two ends of the number sheet sleeve (1) are respectively provided with a key positioning hole (12) and a sealing sheet (13), and the sealing sheet (13) is provided with a key hole (14).

5. The lock cylinder assembly of claim 4, wherein the lock cylinder assembly comprises: the outer edge of the sealing piece (13) corresponding to the key hole (14) is provided with a guide notch (15).

6. The lock cylinder assembly of claim 4, wherein the lock cylinder assembly comprises: the position of the number sheet sleeve (1) corresponding to the outer side of the sealing sheet (13) is provided with a bevel edge groove (16), and an elastic clamping spring sheet (17) is arranged in the bevel edge groove (16).

7. An idle blade lock cylinder assembly adapted for use with a line key as defined in any one of claims 1 to 6, wherein: and friction teeth (18) are arranged on the outer edge of each spacer (3).

8. A key, characterized by: the multi-stage tooth-pattern combination is characterized by comprising a key head (19) and a key handle (20) which are mutually connected, wherein a plurality of stages of tooth patterns (21) are arranged on one side edge of the key head (19) side by side at positions corresponding to each number piece (2) in the number piece sleeve (1) in claim 1, and the side edges of the various stages of tooth patterns (21) are vertical; the teeth (21) can be matched with the tooth grooves (9) for unlocking in the claim 1 when the key head (19) rotates, and the number plate grooves (10) on the outer edges of all the number plate sleeves (1) can be simultaneously aligned with the needle rolling grooves (4) in the claim 1.

9. The key according to claim 8, wherein: the thickness of two sides of the key head (19) is different.

10. The key according to claim 8, wherein: the level difference of each stage of the tooth flower (21) on the key head (19) is L1, and the level difference of the tooth flower groove (9) corresponding to each stage of the tooth flower (21) in claim 1 is L2, L2> L1+0.1 mm.

Technical Field

The invention relates to a lockset suitable for a straight key, in particular to an idle blade lock core assembly suitable for the straight key and a key thereof.

Background

At present, the lock core suitable for the common linear key in the market is generally the lock core of a spring lock, and the linear key is deeply loved by users due to the simple shape and the convenient processing of the teeth. The straight key is matched with each marble through tooth pits with different heights distributed on one side or two sides of the straight key, so that each marble is positioned at a proper position, and the lock cylinder can be rotationally unlocked; in order to enable a key to be inserted into a lock core more conveniently, each tooth pit has a certain taper, so that a transition section exists between every two adjacent tooth pits, and a distance exists between every two adjacent tooth pits and a marble, so that the number of effective tooth pits and marbles in a certain length is small, the number of tooth pits in arrangement and combination is limited, and mutual opening is easy to occur; the conventional spring lock core cannot realize idling and is easy to be damaged by violent screwing; and the straight key cannot be directly transferred to the blade lock core capable of idling. Therefore, the existing lock suitable for the straight key has the problems of easy mutual unlocking and easy violent screwing damage.

Disclosure of Invention

The invention aims to provide an idle blade lock cylinder assembly suitable for a straight key and a key thereof. The invention not only can reduce the mutual opening rate, but also has the advantage of being difficult to be damaged by violent screwing.

The technical scheme of the invention is as follows: an idle rotation blade lock cylinder assembly suitable for a linear key comprises a number sheet sleeve, wherein a plurality of number sheets and spacers which are arranged at intervals are arranged in the number sheet sleeve; the number plate sleeve is provided with a needle groove and a rotation stopping groove for fixing the spacer, and a needle roller is arranged in the needle groove; a spacer groove is formed in the position, corresponding to the needle roller groove, of the outer side of each spacer; the middle part of each code sheet is provided with a special-shaped through hole, the special-shaped through hole is provided with a plurality of stages of tooth flower grooves which are arranged in a ladder shape, all the tooth flower grooves are distributed in an annular shape around the circle center of the code sheet, and only one tooth flower groove for unlocking is arranged in all the tooth flower grooves; the outer edge of each number plate is provided with a number plate groove, and when the tooth flower grooves used for unlocking on each number plate rotate simultaneously and are located at the same position, all the number plate grooves are aligned.

In the idle running blade lock core assembly suitable for the straight key, the number plate groove arranged on the outer edge of the number plate is aligned with the tooth groove at any stage.

In the idle running blade lock core assembly suitable for the straight key, the bosses are arranged at the positions, corresponding to the rotation stopping grooves, of the outer sides of the spacers.

In the idle running blade lock core assembly suitable for the straight key, the two end parts of the number plate sleeve are respectively provided with the key positioning hole and the sealing plate, and the sealing plate is provided with the key hole.

In the idle running blade lock core assembly suitable for the straight key, the outer edge of the cover plate corresponding to the key hole is provided with the guide notch.

In the idle rotation blade lock cylinder assembly suitable for the straight key, the position, corresponding to the outer side of the sealing piece, of the number piece sleeve is provided with the bevel edge groove, and the elastic clamping spring piece is arranged in the bevel edge groove.

In the idle blade lock cylinder assembly suitable for the straight key, the outer edges of the spacers are provided with friction teeth.

A key comprises a key head and a key handle which are mutually connected, wherein a plurality of stages of tooth patterns are arranged on one side edge of the key head side in parallel corresponding to the positions of each number piece in a number piece sleeve, and the side edges of the tooth patterns are vertical; the tooth can be matched with the tooth groove for unlocking when the key head rotates, and the number sheet grooves on the outer edges of all the number sheet sleeves can be simultaneously aligned with the needle roller grooves.

In the above-mentioned key, the thickness of the two side edges of the key head is different.

In the key, the step difference of each step of the teeth on the key head is L1, and the step difference of the tooth grooves corresponding to each step of the teeth in claim 1 is L2, L2> L1+0.1 mm.

Compared with the prior art, the number plate sleeve is internally provided with a plurality of number plates and spacers which are arranged at intervals, the spacers are limited by the rotation stopping grooves and can only synchronously rotate along with the number plate sleeve, and the number plates can rotate in the number plate sleeve; the middle part of the spacer is provided with a through hole for a key to pass through and rotate, the middle part of the number plate is provided with a special-shaped through hole, and the special-shaped through hole can only pass through when the key is aligned; after an incorrect key is inserted into the lock cylinder, the number plate can only be driven to idle, so that the lock cylinder is effectively prevented from being damaged by violent screwing; meanwhile, the multi-stage tooth flower grooves arranged in a ladder shape are formed in the special-shaped through holes, all the tooth flower grooves are distributed annularly around the circle center of the code piece, the number of stages of the tooth flower grooves is not affected by the axial length of the lock cylinder, an inclined transition section is not needed between adjacent tooth flowers on the adaptive key, more effective tooth flowers and code pieces can exist in a certain length of the lock cylinder, and the mutual opening rate is greatly reduced. In addition, the spacer is clamped with the rotation stopping groove through the boss on the outer side, so that the spacer is prevented from rotating in the number plate sleeve, and the structural stability is high; the sealing piece at one end of the number piece sleeve can stably press the number piece and the spacer piece in the number piece sleeve, so that the structural stability is ensured; the key positioning hole at the other end of the number sheet sleeve is used for matching the position without teeth on the top end of the key to position the key; the key hole of the sealing sheet is provided with a guide notch which can guide a key so as to facilitate the key to be aligned and inserted into the key hole; the inclined groove is arranged at the position on the number sheet sleeve corresponding to the outer side of the sealing sheet, the inclined groove can more stably limit the elastic clamping spring sheet, and the number sheet and the spacer can be stably pressed in the number sheet sleeve by the elastic clamping spring sheet, so that the structural stability is ensured; the outer edge of the spacer is provided with friction teeth, so that the number plate can be further prevented from striding over to rotate, and the structural stability is ensured; meanwhile, the key corresponding to the lock cylinder assembly is also arranged, and the key head is provided with a plurality of levels of tooth patterns with different heights side by side, and the tooth patterns are used for matching with tooth pattern grooves on the number plate, so that the processing is more convenient; the side edges of the multistage teeth on the key head are vertical, so that the space between the teeth can be reduced to 2mm, more teeth can be arranged in a certain length, the mutual opening rate is reduced, and the key is more suitable for occasions with shorter lock cylinders and required teeth; the range of each stage of the tooth flower on the key head is L1, the range of each stage of the tooth flower groove on the number plate is L2, L2 is more than L1+0.1mm, so that the tooth flower is not easy to block when matched with the tooth flower groove, and the rotation is smoother. Therefore, the invention not only can reduce the mutual opening rate, but also has the advantages of difficult violent screwing damage, strong structural stability, convenient key insertion and processing, suitability for occasions with shorter lock cylinders and required tooth number and smooth key rotation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the construction of the combination sheet sleeve;

FIG. 3 is a side view of the combination wafer sleeve;

FIG. 4 is a schematic view of the structure of a spacer;

figure 5 is a schematic view of the structure at the location of the needle groove in the lock body;

FIG. 6 is a schematic structural view of the elastic clip spring;

FIG. 7 is a schematic view of the structure of the cover sheet;

FIG. 8 is a cross-sectional view of the cover slip;

FIG. 9 is a schematic view of the structure of the number plate and the tooth flower;

fig. 10 is a schematic diagram of the structure of the number plate and the tooth flower in the optimized scheme of the invention.

The labels in the figures are: 1-number plate sleeve, 2-number plate, 3-spacer, 4-needle groove, 5-rotation stopping groove, 6-needle roller, 7-spacer groove, 8-special-shaped through hole, 9-tooth groove, 10-number plate groove, 11-boss, 12-key positioning hole, 13-sealing plate, 14-key hole, 15-guide notch, 16-bevel edge groove, 17-elastic clip spring, 18-friction tooth, 19-key head, 20-key handle and 21-tooth.

Detailed Description

The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.

Example 1. An idle running blade lock core assembly suitable for a word key and a key thereof are shown in figures 1 to 9 and comprise a number plate sleeve 1, wherein a plurality of number plates 2 and spacers 3 which are arranged at intervals are arranged in the number plate sleeve 1; the number plate sleeve 1 is provided with a needle groove 4 and a rotation stopping groove 5 for fixing the spacer 3, and a needle 6 is arranged in the needle groove 4; a spacer groove 7 is formed in the position, corresponding to the needle rolling groove 4, of the outer side of each spacer 3; the middle part of each code sheet 2 is provided with a special-shaped through hole 8, the special-shaped through holes 8 are provided with a plurality of stages of tooth flower grooves 9 which are arranged in a ladder shape, all the tooth flower grooves 9 are distributed in an annular shape around the circle center of the code sheet 2, and only one tooth flower groove 9 for unlocking is arranged in all the tooth flower grooves 9; the outer edge of each code piece 2 is provided with a code piece groove 10, and when the tooth flower grooves 9 used for unlocking on each code piece 2 rotate simultaneously and are located at the same position, all the code piece grooves 10 are aligned.

Bosses 11 are arranged at the positions, corresponding to the rotation stopping grooves 5, on the outer side of the spacer 3; the two end parts of the number plate sleeve 1 are respectively provided with a key positioning hole 12 and a sealing plate 13, and the sealing plate 13 is provided with a key hole 14; the outer edge of the sealing piece 13 corresponding to the key hole 14 is provided with a guide notch 15; a bevel edge groove 16 is formed in the position, corresponding to the outer side of the sealing piece 13, of the number piece sleeve 1, and an elastic clamping spring piece 17 is arranged in the bevel edge groove 16; the outer edge of the spacer 3 is provided with friction teeth 18.

A key comprises a key head 19 and a key handle 20 which are connected with each other, wherein a plurality of stages of tooth patterns 21 are arranged on one side edge of the key head 19 in parallel at positions corresponding to each number sheet 2 in a number sheet sleeve 1, and the side edges of the various stages of tooth patterns 21 are vertical; the teeth 21 can be matched with the tooth grooves 9 for unlocking when the key head 19 rotates, and the number sheet grooves 10 on the outer edges of all the number sheet sleeves 1 can be simultaneously aligned with the needle roller grooves 4.

The thickness of the two sides of the key head 19 is different; the level difference of each stage of the tooth flower 21 on the key head 19 is L1, and the level difference of the tooth flower groove 9 corresponding to each stage of the tooth flower 21 in claim 1 is L2, L2> L1+0.1 mm.

Example 2. An idle running blade lock core assembly suitable for a word key and a key thereof are shown in figures 1 to 8 and 10, and comprise a number plate sleeve 1, wherein a plurality of number plates 2 and spacers 3 which are arranged at intervals are arranged in the number plate sleeve 1; the number plate sleeve 1 is provided with a needle groove 4 and a rotation stopping groove 5 for fixing the spacer 3, and a needle 6 is arranged in the needle groove 4; a spacer groove 7 is formed in the position, corresponding to the needle rolling groove 4, of the outer side of each spacer 3; the middle part of each code sheet 2 is provided with a special-shaped through hole 8, the special-shaped through holes 8 are provided with a plurality of stages of tooth flower grooves 9 which are arranged in a ladder shape, all the tooth flower grooves 9 are distributed in an annular shape around the circle center of the code sheet 2, and only one tooth flower groove 9 for unlocking is arranged in all the tooth flower grooves 9; the outer edge of each code piece 2 is provided with a code piece groove 10, and when the tooth flower grooves 9 used for unlocking on each code piece 2 rotate simultaneously and are located at the same position, all the code piece grooves 10 are aligned.

A number plate groove 10 arranged on the outer edge of the number plate 2 is aligned with the tooth flower groove 9 at any stage; bosses 11 are arranged at the positions, corresponding to the rotation stopping grooves 5, on the outer side of the spacer 3; the two end parts of the number plate sleeve 1 are respectively provided with a key positioning hole 12 and a sealing plate 13, and the sealing plate 13 is provided with a key hole 14; the outer edge of the sealing piece 13 corresponding to the key hole 14 is provided with a guide notch 15; a bevel edge groove 16 is formed in the position, corresponding to the outer side of the sealing piece 13, of the number piece sleeve 1, and an elastic clamping spring piece 17 is arranged in the bevel edge groove 16; the outer edge of the spacer 3 is provided with friction teeth 18.

A key comprises a key head 19 and a key handle 20 which are connected with each other, wherein a plurality of stages of tooth patterns 21 are arranged on one side edge of the key head 19 in parallel at positions corresponding to each number sheet 2 in a number sheet sleeve 1, and the side edges of the various stages of tooth patterns 21 are vertical; the teeth 21 can be matched with the tooth grooves 9 for unlocking when the key head 19 rotates, and the number sheet grooves 10 on the outer edges of all the number sheet sleeves 1 can be simultaneously aligned with the needle roller grooves 4.

The thickness of the two sides of the key head 19 is different; the level difference of each stage of the tooth flower 21 on the key head 19 is L1, and the level difference of the tooth flower groove 9 corresponding to each stage of the tooth flower 21 in claim 1 is L2, L2> L1+0.1 mm.

The working principle is as follows: a user inserts a key into a key hole 14 on a sealing sheet 13 at one end of the number sheet sleeve 1, and a guide notch 15 on the outer side of the key hole 14 has a certain inclination, so that the key can be better guided to the key hole 14, and the key can be conveniently inserted; the top of the key passes through the through hole in the middle of the spacer 3 and the special-shaped through hole 8 in the middle of the number plate 2 (after the special-shaped through hole 8 is deviated, the key can be inserted inwards while being rotated, and due to the thickness difference of the two sides of the key, the teeth 21 on the key can only be inserted into the special-shaped through hole 8 at the position of the teeth groove 9 and inserted into the key positioning hole 12 at the end part of the number plate sleeve 1, so that the key is positioned.

The position of the number sheet sleeve 1 corresponding to the outer side of the sealing sheet 13 is provided with an elastic clamping spring sheet 17, so that the number sheet 2 and the spacer 3 in the sealing sheet 13 can be well limited; meanwhile, the position of the number sheet sleeve 1 corresponding to the outer side of the elastic clamping spring sheet 17 is also provided with a bevel edge groove 16, so that the stability of the elastic clamping spring sheet 17, the sealing sheet 13, the number sheet 2 and the separation sheet 3 is further ensured.

The tooth patterns 21 at each position on the key head 19 correspond to the number plates 2 at each position, the key head 19 can be driven to rotate by rotating the key handle 20, so that the tooth patterns 21 on the key head 19 can be clamped with the tooth pattern grooves 9 at one stage and the number plates 2 can be driven to rotate (if the tooth patterns 21 cannot be clamped with any tooth pattern groove 9 at one stage, the tooth patterns can only idle and cannot drive the number plates 2 to rotate), when only the tooth patterns 21 on the key head 19 can be clamped with the tooth pattern grooves 9 for unlocking, the key can be continuously rotated to align and level the number plate grooves 10 on all the number plates 2, so that the rolling needles 6 in the rolling needle grooves 4 can fall into the number plate grooves 10 and the partition plate grooves 7, and the key can be continuously rotated to drive the number plate sleeve 1 to rotate, so that unlocking operation can be carried out; when one tooth brush 21 is wrong, the number code sheet groove 10 on the number sheet 2 corresponding to the wrong tooth brush 21 is not aligned with other number code sheet grooves 10, and only can idle.

The outer edge of the spacer 3 is provided with a boss 11, and the boss 11 is matched with the rotation stopping groove 5, so that the spacer 3 cannot rotate relative to the number plate sleeve 1; the outer edge of spacer 3 is provided with friction tooth 18, can further prevent that spacer 3 from removing relative number piece cover 1, guarantees the structural stability of whole lock core assembly.