CN201129063Y - Two-sided concave tooth key - Google Patents
Two-sided concave tooth key Download PDFInfo
- Publication number
- CN201129063Y CN201129063Y CNU2007203049091U CN200720304909U CN201129063Y CN 201129063 Y CN201129063 Y CN 201129063Y CN U2007203049091 U CNU2007203049091 U CN U2007203049091U CN 200720304909 U CN200720304909 U CN 200720304909U CN 201129063 Y CN201129063 Y CN 201129063Y
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- China
- Prior art keywords
- key
- billet
- tooth
- locking plate
- recessed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a double-sided concave tooth key, which comprises a key handle, a key billet and a key guide groove, wherein, the key guide groove is positioned at the two sides of the upper part of the key billet, the left end of the key handle is fixedly connected with the right end of the key billet. The double-sided concave teeth key of the utility model is characterized in that the front side and the back side of the middle part of the key billet are provided with a concave locking blade guide groove, the locking blade guide groove extends from the left end of the key billet to the right end of the key billet, the left end of the locking blade guide groove has an opening, the edge of the locking blade guide groove and the front side and the back side of the key billet form at least four concave teeth, and each concave tooth is matched with the position of corresponding locking blade and locking blade spring. The double-sided concave tooth key of the utility model has a plurality of tooth combinatorial numbers, thus effectively reducing the rate of mutual opening, improving the theftproof properties of motorcycle locks, increasing the strength of the key as well as having novel and beautiful shapes.
Description
Technical field
The utility model relates to a kind of key, particularly relates to a kind of two-sided recessed teeth key that high-grade motorcycle uses.
Background technology
At present, the key that the motorcycle of domestic production uses is the key of evagination profile of tooth, and this key is made up of the outer double wedge on key billet, the key billet, gathering sill and the shank of the key on the key billet.In use key is inserted lock core, the locking plate power effect lower compression locking plate spring that double wedge applies outside key billet, locking plate moves downward, and connects flatly with the lock core cylindrical, and this moment, just rotatable lock core was opened lock.There is following shortcoming in this evagination teeth key:
1. the tartar number of combinations is on the low side.Outer double wedge has only three kinds of teeth number (being 1#, 2#, 3# tooth), differentially be 0.75 (the highest tooth-minimum tooth=1.5mm), be example with 6 inserted slots, its maximum tartar number of combinations=3
6=729 kinds, this tartar number of combinations be lower than regulation among the GB17353-1998 " motorcycle and trail bike antitheft device for steering mechanism " 〉=1000 kinds of tartar number of combinations.On the low side because of the tartar number of combinations, the probability that causes the key of identical profile of tooth to repeat increases, and brings puzzlement for car load manufacturing enterprise and user.
2. mutual opening rate height.Outer double wedge process equipment mostly is conventional milling tooth equipment greatly, and machining accuracy is low, simultaneously because of its structural defective, causes mutual opening rate higher.
3. profile of tooth is easy to identification and imitated, and theftproof performance is low.The evagination teeth key of motorcycle use at present is a full-height tooth, profile milling cutter with fixed angle just can be processed, by called optical imaging, there is people's a glance of some professional knowledge just can identify shaped as key bit slightly, repair file or, be easy to imitated one with the normal key base identical key with common mill teeth equipment processing.
4. key intensity is low, frangibility.Because of the restriction of lock product structure, key thickness can only accomplish about 2mm that this has just caused low, the frangibility of key intensity.
5. profile is common, and aesthetic property is poor.
Summary of the invention
The utility model is finished in order to solve deficiency of the prior art, it is many that the purpose of this utility model provides a kind of tartar number of combinations, reduces mutual opening rate, improves motorcycle lockset theftproof performance, improve key intensity, and profile novelty, two-sided recessed teeth key attractive in appearance.
Two-sided recessed teeth key of the present utility model, comprise the shank of the key, key billet and key gathering sill, described key gathering sill is positioned at two sides, described key billet top, the right-hand member of described the shank of the key left end and described key billet is connected and fixed, it is characterized in that: described key billet middle part leading flank and trailing flank are provided with the locking plate gathering sill of indent, described locking plate gathering sill is extended to right-hand member by described key billet left end, described locking plate gathering sill left end opening, described locking plate gathering sill edge and described key billet leading flank and trailing flank form at least four recessed teeth, and described each recessed tooth is corresponding with corresponding locking plate and locking plate spring position.
Two-sided recessed teeth key of the present utility model can also be:
Described locking plate gathering sill edge and described key billet leading flank and trailing flank form four recessed teeth.
Described two key gathering sills of described key billet leading flank and trailing flank are identical with two locking plate gathering sills, and the recessed tooth of the corresponding position, position on described key billet leading flank and the trailing flank is identical.
Described recessed tooth is binary curve tooth.
Between described each recessed tooth is the circular arc transition.
Described key billet thickness is 2.4-2.8mm.
Described key billet thickness is 2.5mm.
The right-hand member of described key billet is provided with fixing hole, and described key billet right-hand member is positioned at the shank of the key, is provided with buckle in the described the shank of the key and is fastened in the fixing hole.
Two-sided recessed teeth key of the present utility model, advantage of the present utility model in terms of existing technologies is:
1. increase the tartar number of combinations.Guarantee under the constant prerequisite of the highest tooth and minimum tooth (the highest tooth-minimum tooth=1.5mm), reduce the differential of center tooth, thus increase tooth number.With the differential 0.5mm that is defined as, tooth number increases to 4 kinds (being 1#, 2#, 3#, 4# tooth) by original 3 kinds, is example with 6 inserted slots, its maximum tartar number of combinations=4
6=4096 kinds, undesirable profile of tooth is filtered out, can also guarantee that more than 1800 kind of profile of tooth exists.This tartar number of combinations can satisfy request of national standard fully.
2. reduction mutual opening rate.Two-sided recessed teeth key is to adopt the special-purpose mill teeth machine of high accuracy that shaped as key bit is processed, and tooth Profile Machining precision height has designed the structure that prevents the reverse rollback of inserted sheet simultaneously, and promptly the locking plate gathering sill is positioned at the middle part of key billet, and extends from left to right.Thereby reduced the generation of mutual opening rate, key mutual opening rate＜1 ‰ meet the regulation among the GB17353-1998 " motorcycle and trail bike antitheft device for steering mechanism " fully after tested.
3. profile of tooth novelty, general personnel are difficult for identification and imitated, theftproof performance height.What two-sided recessed teeth key adopted is binary curve tooth, and general personnel are difficult for identification; Profile of tooth milling moulding when the processing teeth groove simultaneously, cave inward when being the recessed tooth to key billet, repair file by hand or can't finish tooth Profile Machining with common mill teeth equipment at all, only reliable high accuracy special use mill teeth machine could be processed, so be difficult for copying, theftproof performance improves greatly.
4. key intensity height, not frangibility.Key thickness is about 2.5mm, has thickened 0.5mm than evagination teeth key, thereby key intensity is improved, and anti-fractureing property is also improved greatly.
Description of drawings
Fig. 1 partly cuts open figure for the two-sided recessed teeth key of the utility model combines with lock core and lock body.
Fig. 2 is the two-sided recessed teeth key specific embodiment key billet vertical view of the utility model.
Fig. 3 is a lateral view among the two-sided recessed teeth key Fig. 2 of the utility model.
Fig. 4 is an A-A sectional view among the two-sided recessed teeth key Fig. 2 of the utility model.
Fig. 5 is two-sided recessed teeth key embodiment key billet of the utility model and locking plate scheme of installation.
Fig. 6 is the two-sided recessed teeth key embodiment locking plate of the utility model.
The figure number explanation
1 ... the shank of the key 2 ... key billet 3 ... key gathering sill 4 ... locking plate
5 ... recessed tooth 6 ... locking plate gathering sill 7 ... lock core 8 ... fixing hole 9 ... lock body
41 ... a locking plate 42 ... No. two locking plates 43 ... No. three locking plates 44 ... No. four locking plates
51 ... a recessed tooth 52 ... No. two recessed teeth 53 ... No. three recessed teeth 54 ... No. four recessed teeth
The specific embodiment
Fig. 1 to Fig. 6 is described in further detail the utility model below in conjunction with accompanying drawing.
Specific embodiment one
Two-sided recessed teeth key of the present utility model please refer to relevant view among Fig. 1 to Fig. 6, comprises the shank of the key 1, key billet 2 and key gathering sill 3, and these three parts are parts that all keys include.Key gathering sill 3 is positioned at two sides, key billet 2 top, and the effect of key gathering sill 3 is to make easier location when key inserts in the lock, and key gathering sill 3 slides along lock core 7 guide ledges, guarantees directionality.The right-hand member of the shank of the key 1 left end and key billet 2 is connected and fixed, and the shank of the key 1 is generally plastics or other materials is made, and the size of the shank of the key 1 is greater than the size of key billet 2, in the time of need turning key like this, the origin of force area of hand is bigger, and the force rate that needs when turning key is less, uses more convenient.Key billet 2 middle part leading flanks and trailing flank are provided with the locking plate gathering sill 6 of indent, locking plate gathering sill 6 is extended to right-hand member by key billet 2 left ends, locking plate gathering sill 6 left end openings, when the left end of key inserted in the lock core 7, the locking plate 4 in the lock core 7 just can enter along the opening part of locking plate 4 groove left ends in the locking plate gathering sill 6 and in the process that key continues to advance and move to locking plate gathering sill 6 right-hand members like this.Locking plate gathering sill 6 edges and key billet 2 leading flanks and trailing flank form at least four recessed teeth 5, each recessed tooth 5 is corresponding with corresponding locking plate 4 and locking plate spring position, like this, when key is inserted to the bosom, each locking plate 4 with and the locking plate spring position that carries corresponding with each recessed tooth 5 position, each locking plate spring has distortion in the position of recessed tooth 5, or stretch or compression, and then drive locking plate 4 and move up and down, or each locking plate 4 lock core 7 inside of all withdrawing, can key open lock this moment, or each locking plate 4 stretches out lock core 7 outsides, be plugged on the lock body 9, this moment, lock core 7 can not rotate with lock body 9 and lock core 7 lockings.When not using key, key billet 2 is extracted, key gathering sill 3 slides along lock core 7 guide ledges, each locking plate 4 is moved by right side to left end opening part in described locking plate gathering sill 6, each locking plate spring restores to the original state under the effect of restoring force, each locking plate 4 stretches out in the lock core 7 back insertion lock bodies 9 lock core 7 is fixing with lock body 9, makes lock core 7 can not rotate with respect to lock body 9, and then with lock body 9 lockings.Please refer to Fig. 5, it is corresponding with recessed tooth 51 positions to be specially a locking plate 41, and No. two locking plate 42 is corresponding with No. two recessed tooth 52 positions, and No. three locking plate 43 is corresponding with No. three recessed tooth 53 positions, and No. four recessed tooth 54 is that the position is corresponding with No. four locking plates 44.The key of this spline structure, owing to adopted the recessed tooth 5 of indent, two-sided recessed tooth 5 is to adopt the special-purpose mill teeth machine of high accuracy that shaped as key bit is processed, tooth Profile Machining precision height, also have the function that prevents the reverse rollback of inserted sheet simultaneously, reduced mutual opening rate, after tested key mutual opening rate＜1 ‰.Because recessed tooth 5 is at least four, preferably four, certainly how recessed tooth 5, recessed tooth more than 5, cost are with regard to height simultaneously, but tartar group and number are just often, and mutual opening rate is lower.Owing to adopt four recessed teeth 5 (i.e. the recessed tooth of recessed tooth 51, No. two 52, No. three recessed teeth 53 and No. four recessed teeth 54), with six inserted slots is example, guaranteeing (the highest tooth-minimum tooth=1.5mm), reduce the differential of center tooth under the constant prerequisite of the highest tooth and minimum tooth.With the differential 0.5mm that is defined as, its maximum tartar number of combinations=4
6=4096 kinds, undesirable profile of tooth is filtered out, can also guarantee that more than 1800 kind of profile of tooth exists.
Specific embodiment two
Two-sided recessed teeth key of the present utility model, please refer to Fig. 1 to Fig. 6, on the basis of specific embodiment one, can also be all identical with key gathering sill 3 on the trailing flank at key billet 2 leading flanks, two locking plate gathering sill 6 shapes of indent are consistent on key billet 2 leading flanks and trailing flank, the position correspondence, the recessed tooth 5 of corresponding position is identical on key billet 2 leading flanks and trailing flank.Like this because to be positioned at two key gathering sills 3, locking plate gathering sill 6 on the side identical with recessed tooth 5, can guarantee that key inserts and extract not that the recipient is user-friendly to restriction.Further, recessed tooth 5 is binary curve tooth, and general personnel are difficult for identification; Profile of tooth milling moulding when the processing teeth groove simultaneously, to key billet 2 sunken insides, to repair file by hand or can't finish tooth Profile Machining at all with common mill teeth equipment, the special-purpose mill teeth machine of only reliable high accuracy could be processed, so be difficult for copying, theftproof performance improves greatly.Further, be the circular arc transition between each recessed tooth 5, make more convenient, and use be the transition of circular arc can guarantee opening and closing lock body 9 time insertion and extract more smooth and easyly, can not block, use more convenient.
Specific embodiment three
Two-sided recessed teeth key of the present utility model, please refer to Fig. 1 to Fig. 6, on the basis of specific embodiment one and specific embodiment two, the thickness that can also be key billet 2 is 2.4-2.8mm, since existing key billet 2 when making because profile of tooth is the tooth of evagination, key billet 2 thickness of processing back finished product key are generally 2mm, and such thickness fractures easily.And two-sided recessed teeth key of the present utility model because profile of tooth is the recessed tooth 5 of indent, guarantees that the thickness of finished product key billet 2 is between the 2.4-2.8mm, and is thicker than existing thickness, thereby the raising of the intensity of whole key, can not fracture easily in the use.Comparative optimization for the thickness of key billet 2 is 2.5mm, can guarantee to guarantee the intensity of key to greatest extent under the certain situation of cost like this.The right-hand member that can also be key billet 2 is provided with fixing hole 8, key billet 2 right-hand members are positioned at the shank of the key 1, being provided with buckle in the shank of the key 1 is fastened on the shank of the key 1 in the fixing hole 8, and then the shank of the key 1 and key billet 2 be fixed together, certainly directly be that the shank of the key 1 is injection-moulded on the key billet 2, can also be other fixed form, get final product so long as the shank of the key 1 can be fixed on the key billet 2.
Above-mentionedly only several specific embodiments in the utility model are illustrated; but can not be as protection domain of the present utility model; every equivalence of having done according to the design spirit in the utility model changes or modifies, and all should think to fall into protection domain of the present utility model.
Claims (8)
1, a kind of two-sided recessed teeth key, comprise the shank of the key (1), key billet (2) and key gathering sill (3), described key gathering sill (3) is positioned at described key billet (2) two sides, top, the right-hand member of described the shank of the key (1) left end and described key billet (2) is connected and fixed, it is characterized in that: described key billet (2) middle part leading flank and trailing flank are provided with the locking plate gathering sill (6) of indent, described locking plate gathering sill (6) is extended to right-hand member by described key billet (2) left end, described locking plate gathering sill (6) left end opening, described locking plate gathering sill (6) edge and described key billet (2) leading flank and trailing flank form at least four recessed teeth (5), and described each recessed tooth (5) is corresponding with corresponding locking plate (4) and locking plate spring (7) position.
2, two-sided recessed teeth key according to claim 1 is characterized in that: described locking plate gathering sill (6) edge and described key billet (2) leading flank and trailing flank form four recessed teeth.
3, two-sided recessed teeth key according to claim 1 and 2, it is characterized in that: described two key gathering sills (3) of described key billet (2) leading flank and trailing flank are identical with two locking plate gathering sills (6), and the recessed tooth (5) of the corresponding position, position on described key billet (2) leading flank and the trailing flank is identical.
4, two-sided recessed teeth key according to claim 3, it is characterized in that: described recessed tooth (5) is binary curve tooth.
5, two-sided recessed teeth key according to claim 4 is characterized in that: be the circular arc transition between described each recessed tooth (5).
6, two-sided recessed teeth key according to claim 3 is characterized in that: described key billet (2) thickness is 2.4-2.8mm.
7, two-sided recessed teeth key according to claim 6 is characterized in that: described key billet (2) thickness is 2.5mm.
8, two-sided recessed teeth key according to claim 3, it is characterized in that: the right-hand member of described key billet (2) is provided with fixing hole (8), described key billet (2) right-hand member is positioned at the shank of the key (1), is provided with buckle in the described the shank of the key (1) and is fastened in the fixing hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203049091U CN201129063Y (en) | 2007-11-30 | 2007-11-30 | Two-sided concave tooth key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203049091U CN201129063Y (en) | 2007-11-30 | 2007-11-30 | Two-sided concave tooth key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201129063Y true CN201129063Y (en) | 2008-10-08 |
Family
ID=40016902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203049091U Expired - Fee Related CN201129063Y (en) | 2007-11-30 | 2007-11-30 | Two-sided concave tooth key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201129063Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684273A (en) * | 2015-11-10 | 2017-05-17 | 富士康(昆山)电脑接插件有限公司 | Modular equipment and use method therefor |
-
2007
- 2007-11-30 CN CNU2007203049091U patent/CN201129063Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684273A (en) * | 2015-11-10 | 2017-05-17 | 富士康(昆山)电脑接插件有限公司 | Modular equipment and use method therefor |
| CN106684273B (en) * | 2015-11-10 | 2019-11-29 | 富士康(昆山)电脑接插件有限公司 | Modularity equipment and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20091230 |