CN101514598B - Key with an improved key shank - Google Patents
Key with an improved key shank Download PDFInfo
- Publication number
- CN101514598B CN101514598B CN200910008964XA CN200910008964A CN101514598B CN 101514598 B CN101514598 B CN 101514598B CN 200910008964X A CN200910008964X A CN 200910008964XA CN 200910008964 A CN200910008964 A CN 200910008964A CN 101514598 B CN101514598 B CN 101514598B
- Authority
- CN
- China
- Prior art keywords
- key
- shank
- coating
- main body
- bit
- 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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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
- E05B19/26—Use of special materials for keys
Landscapes
- Lock And Its Accessories (AREA)
- Supports Or Holders For Household Use (AREA)
Abstract
The invention relates to a key for close of a lock especially a push-latch. The key is implemented as a master key, comprising a key body with a key shank. The key shank extends along a shank axle, having an arch shaped end at a first end of the key shank, and key teeth at or near a second end of the key shank. According to the invention, the key shank is surrounded in a coating, which extends around a shank axle (3) along the entire length from an end to another end of the key shank.
Description
Technical field
The present invention relates to a kind of particularly key of the closure of spring lock (warded lock) that is used to lock.Said key is embodied as master key (skeleton key), and it comprises the key main body with the shank of the key, and this shank of the key extends along arbor, and the first end place of the shank of the key have arcuate ends and the second end place of the shank of the key or near have key bit.
Background technology
Master key relates to very simple key design, and it has cylindrical shaft usually, and this axle can be called the shank of the key or key axle.The corresponding so-called spring lock of the key of these types, this spring lock is not used in any cylinder of lock, and said key can rotate in the lock housing.Spring lock has the hole, and key must be inserted into wherein, occurs between the guiding structural in key axle and the spring lock and rotatablely move.
The key main body has the shank of the key, and it extends along arbor, and in first end, the end of the shank of the key is an arcuate ends, and at the place, opposite end of arcuate ends, the shank of the key has at least one key bit.Key bit can be arranged in the end of the shank of the key, perhaps at least along the end of arbor near the shank of the key.Usually, the shank of the key has circular section shape, so that when key is inserted in the spring lock, can rotate motion.Key bit has blade shapes, and it can comprise specific closing structure, and being used for specific lock particularly, and arcuate ends also has planar design.Key bit and arcuate ends and the shank of the key structure are as a whole, comprise that key main body, arcuate ends and the key bit of the shank of the key processed by steel usually.
The shank of the key has circular section shape on the other hand because one side key bit and arcuate ends have planar design, and the manufacturing of such master key is very complicated.Usually, the key main body is perhaps made through Forging Technology through casting.At least one extra manufacturing step must be carried out with above-mentioned two kinds of process combination.This extra manufacturing step can be to be similar to the cutting technique of grinding or be the moulding process by extra calibration punch steps at least.Another shortcoming is the weight of such master key, and this key comprises the key main body of the shank of the key of the circular section shape with complete steel.Like this, master key may be embodied as the shank of the key with hollow shape, and at least one extra manufacturing step of such handle designing requirement.Except this manufacturing issue, unfortunately, the user's of these master keys quality mind is not very high.Usually, the lock housing of spring lock is to be processed by steel, and it makes master key that cooperating of metal and metal take place when inserting in the lock housing.This causes the noise that makes us unhappy, and can further cause the consequence of deadlock.
Summary of the invention
Like this, the objective of the invention is to eliminate above mentioned shortcoming.Especially, the purpose of this invention is to provide a kind of key of the closure that is used to lock, this key is embodied as the master key that is used for spring lock, and it allows to make with improvement and cause higher texture.
This purpose realizes through the key of the closure that is used to lock of claim 1 instruction of the present invention.Preferred implementation of the present invention limits through dependent claims.
The invention discloses following content: the shank of the key is coated by coating, and said coating extends with arbor to its second end from its first end along the whole length of the shank of the key with one heart.
Solved the above-mentioned manufacturing issue of master key around the coating of the shank of the key extension.According to the present invention, coating coats the shank of the key, coats along the whole length of the shank of the key.Like this, master key can comprise cultrate arcuate ends and cultrate key bit, and the shank of the key has circular section shape.Even master key has different cross sectional shapes, the manufacturing of key also can be carried out with unusual simple steps.The key main body can be provided by the metalwork of simple plane shape, and it has homogeneous thickness to the shank of the key, key bit and arcuate ends.Have only when coating is set for the coating the shank of the key, the shank of the key obtains circular section shape.It is an advantage that coating extends to its second end along the whole length of the shank of the key from its first end, because can avoid the metal-metal when master key inserts in the lock to cooperate.Like this, coating is characterised in that and comprises nonmetals.
As preferred embodiment, coating is through the injection molding technique manufacturing, and said moulding process is embodied as casting technique (cast on process).Injection molding technique is also referred to as injection die casting (injection diecasting), and it refers to be molded into the technology in the injecting molding die.But coating can comprise moulding material, and it can be casted on the shank of the key.In order to implement casting technique, the first step, the shank of the key must be inserted in the molding die, to carry out the injection of clad material subsequently.Especially, when the moulding of casting clad material was coupled to the key main body, this technology caused producing the material interface branch.For example forge with metal forming technology and to compare, injection moulding is manufacturing technology cheaply.Like this, can in the minimum step of cost, make according to master key of the present invention, and the user can obtain high texture.
Its preferred embodiment in, key bit stretches out from coating.Coating coats whole the shank of the key, this cause key bit the shank of the key second terminal or near stretch out from coating, the shank of the key can be inserted in the lock.Like this, key bit does not have any coating, because key bit must interact with the close mechanism in the spring lock.Be used for the moulding form that coating is molded on the shank of the key is sealed in the transition position between the shank of the key and the key bit, to avoid on the surface of key bit, building up clad material.In an identical manner, when the key main body is inserted in the moulding form and clad material when being expelled in the hollow space, the arcuate ends of master key abuts against the clad material sealing.
Advantageously, the key main body has the transition region between the shank of the key and arcuate ends, and coating extends up to transition region.When the shank of the key carried out the transition to the arcuate ends of key, transition region was positioned at the end of the shank of the key.In transition region, mould sealing arcuate ends is to avoid on the surface of arcuate ends, forming clad material.But, should be noted that the key bit of key main body and/or arcuate ends can be coated by the shell of coating and the shank of the key.Especially, arcuate ends can be coated by coating, and said coating can be the coating identical with the coating of the shank of the key, perhaps arcuate ends by another clad material for example the material of another type or color coat.
According to another preferred implementation, the key main body comprises metal sheet, for example brass material, nickeline material or steel, and the key main body is made through Metal Cutting technology for example die-cut (die cutting).Form the key main body through the applied metal sheet material, can make the key main body through metal stamping technology.Metal stamping technology is the low-cost mass production processes of knowing, and comprises that key main body, arcuate ends and the key bit of the shank of the key can cut in one stroke.Like this, the key main body can provide with mode very cheaply, and coating can provide and makes master key become exquisite through injection moulding.The burr that cutting technique causes disappear owing to coating through coating.Metal Cutting technology and the combination of injection molding technique cheaply like this, cheaply causes advantageously producing the master key with high texture.
According to another embodiment, coating is embodied as synthetic coating or rubber coatings, and synthetic coating comprises plastic material, for example polyamide (PA), polyformaldehyde (POM) or polypropylene (PP).The present invention is not limited to these clad materials, because other material also is applicable to injection molding technique.
Advantageously, the shank of the key has the rotation guiding structural, and when key rotated in spring lock, said structure produced the rotation guide function.When key was inserted in the spring lock, the maintenance of key must be supported by corresponding a kind of key.Key must be rotatable in the enclosure interior of lock, must reach high accuracy to guarantee the correct interaction between key piece and the latch mechanism.Precision is in ten/several millimeters scopes.Like this, the rotation guiding structural is necessary, because in order to reach the precision that needs, the simple guiding between coating and the lock housing is not enough.
The rotation guiding structural may be embodied as circulus, and itself and arbor extend coaxially, and ring is arranged near key bit.Ring arranges that the closer to key bit the precision that then can obtain is high more.The ring rotation guiding structural is similar to complete annulus and extends around the shank of the key, and comprises clad material.Like this, the ring rotation guiding structural is realized through the shape of moulding form.According to another embodiment, can in the shank of the key, form more than one rotation guiding structural, to improve the precision that rotatablely moves that master key carries out in the enclosure interior of spring lock.
According to another embodiment, the rotation guiding structural comprises two protruded objects, and they are formed in the metal sheet of the shank of the key with the mode of positioned opposite.Protruded object is equivalent to nose or projection, and it is formed by corresponding cutting die when the key main body is stamped the stroke cutting.In order to realize guiding metal and cooperating to make up rotation of metal, protruded object stretches out from synthetic coating.Form in the annular hollow part of protruded object in the lock housing and support.
According to another preferred implementation, the sheet thickness of key main body is the 1-5 millimeter, preferred 2-4 millimeter, most preferably 3 millimeters.The thickness of key main body is to being applied to go out the sheet of key main body or the thickness of strip material.And preferably, the sheet material that forms the shank of the key has transverse holes (cross hole), and it extends perpendicular to arbor.Through these transverse holes, the moulding cooperation of coating on the shank of the key is achieved, and the material of coating is diffused in the transverse holes when being injected into type.Transverse holes avoids coating to increase, because the material of coating stretches out from transverse holes, coating can not be released.
According to another embodiment of the cooperation that improves coating, the key main body has rough surface to improve the adhesive power between key main body and the coating.Rough surface can be through embossing, through sandblast or for example through the rolling mill practice manufacturing.
The cross sectional shape of coating can be round-shaped, can have the diameter of 3-7 millimeter, preferred 4-6 millimeter, most preferably 5 millimeters.The diameter of coating is greater than the width of the shank of the key, so that the round diameter of coating to be provided.
Description of drawings
Other details of the object of the invention, feature and advantage claim and below the description of each accompanying drawing in open, accompanying drawing only is to illustrate in an exemplary fashion.In conjunction with accompanying drawing the preferred embodiments of the present invention are described, wherein:
Fig. 1 illustrates the lateral view of master key, has shown the section according to coating of the present invention;
Fig. 2 illustrates the phantom drawing according to master key of the present invention, and said master key has first embodiment of rotation guiding structural; And
Fig. 3 illustrates another embodiment of the master key with rotation guiding structural, and it comprises two protruded objects.
The specific embodiment
Fig. 1 illustrates the preferred implementation according to key 1 of the present invention.Key 1 has the shank of the key 2, and it extends along arbor 3.The shank of the key 2 is processed through metal stamping technology is for example die-cut by metal sheet.First end at the shank of the key 2 has arcuate ends 4, can be by hand-held through its key 1.End relatively in arcuate ends 4 has key bit 5, be used for the spring lock housing in latch mechanism interact.Key bit 5 illustrates in an exemplary fashion, and can be arranged to given shape.
According to the present invention, the shank of the key 2 is coated by coating 6, and coating 6 extends with arbor 3 to its second end from its first end along the whole length of the shank of the key 2 with one heart.Coating 6 extends to the transition region 7 between the shank of the key 2 and the arcuate ends 4.For key bit 5, coating 6 does not extend through whole key bit 5, so that key bit 5 stretches out from coating 6.Coating is embodied as rubber coatings or synthetic coating, and synthetic materials can comprise plastic material, for example polyamide (PA), polyformaldehyde (POM) or polypropylene (PP).The material of key main body can be brass material, nickeline material or steel.
In order to increase the adhesive power between coating 6 and the key main body 2, the many transverse holes 9 of punching press in the shank of the key 2.Transverse holes 9 is extended along the axially bored line of arranging perpendicular to arbor 3.According to this embodiment, punching press transverse holes 9 in the key main body, wherein punching press has five holes.
Fig. 2 illustrates the phantom drawing according to the embodiment of the key 1 of Fig. 1.This embodiment illustrates the key main body that comprises the shank of the key 2, arcuate ends 4 and key bit 5, and the key main body forms by having certain thickness single metal sheet material.To have on the hole key main body be uniformly to the thickness of material whole, so that the key main body has the square-section in the zone of the shank of the key 2.After the casting technique of the coating 6 of implementing to be used to coat the shank of the key 2, the key main body has circular cross-section in the zone of the shank of the key, and it is made up of the shank of the key 2 and coating 6.Near key bit 5, rotation guiding structural 8 is positioned at coating 6 and arranges with one heart with arbor 3.Rotation guiding structural 8 is embodied as ring, and it improves the precision that rotatablely move of key 1 in the housing of lock.Can know through the phantom drawing of key 1 and to find out that transverse holes 9 extends through the whole thickness of the metal sheet that forms the shank of the key 2.When the material of injection moulding coating 6, this material enters into transverse holes 9, thereby provides the moulding between coating 6 and the shank of the key 2 to cooperate.
Fig. 3 illustrates another embodiment of the key 1 with improved rotation guiding structural 8.Rotation guiding structural 8 is by protruded object 10 work, and protruded object 10 is formed in the metal sheet of the shank of the key 2 with the mode of positioned opposite.Like this, the key main body of key 1 comprises the shank of the key 2, and it extends along key axle 3, except arcuate ends 4 and key bit 5, makes up protruded object 10 as the extra characteristic in the key main body, and it is made through Metal Cutting technology for example die-cut (die cutting).Except these characteristics, also in flaky material, cut transverse holes 9 through die-cut manufacturing.Can perhaps repeatedly cut these characteristics in the stroke at one stroke, it is stamped in later step.
The present invention is not limited to above-mentioned embodiment, and it only illustrates through example, and can revise in every way in comprising in the scope of claim qualification.Like this, the present invention also is applicable to key 1, and it can comprise coating 6, and coating 6 extends on whole key main body, and key 1 comprises that arcuate ends 4 and key bit 5 or its have the interruption thing along key axle 3.
Reference numeral
1 key
2 the shank of the keys
3 arbors
4 arcuate ends
5 key bits
6 coating
7 transition regions
8 rotation guiding structurals
9 transverse holes
10 protruded objects
Claims (17)
1. key (1) that is used for the closure of spring lock; Said key is embodied as master key; Comprise the have the shank of the key key main body of (2); Said the shank of the key (2) extends along arbor (3), and first end of said the shank of the key (2) have arcuate ends (4) and second end of said the shank of the key (2) or near have key bit (5)
Wherein said key shank (2) by a cladding layer (6) coated with the coating layer (6) along said key Bing (2) the entire length from its first end to its second end and the said handle shaft (3) extends concentrically,
Said the shank of the key (2) has rotation guiding structural (8), and when said key (1) rotated in said spring lock, this structure produced the rotation guide function.
2. key as claimed in claim 1 (1) is characterized in that, said coating (6) is through the injection molding technique manufacturing, and said moulding process is embodied as casting technique.
3. like claim 1 or 2 described keys (1), it is characterized in that said key bit (5) stretches out from said coating (6).
4. according to claim 1 or claim 2 key (1) is characterized in that said key main body has the transition region (7) between said the shank of the key (2) and said arcuate ends (4), and said coating (6) extends up to said transition region (7).
5. according to claim 1 or claim 2 key (1); It is characterized in that; Said key main body is processed by metal sheet, and said key main body is made through Metal Cutting technology, and said metal sheet is a kind of in the following material: brass material, nickeline material or steel.
6. key as claimed in claim 5 (1); It is characterized in that; Said coating (6) is embodied as synthetic coating or rubber coatings, and said synthetic coating is processed by plastic material, and said plastic material is a kind of in the following material: polyamide (PA), polyformaldehyde (POM) or polypropylene (PP).
7. according to claim 1 or claim 2 key (1) is characterized in that said rotation guiding structural (8) is embodied as ring, and said ring and said arbor (3) extend coaxially, and said ring is arranged near said key bit (5).
8. key as claimed in claim 5 (1) is characterized in that, said rotation guiding structural (8) comprises two protruded objects (10), and they are formed in the said metal sheet of said the shank of the key (2) with the mode of positioned opposite.
9. according to claim 1 or claim 2 key (1) is characterized in that the sheet thickness of said key main body is the 1-5 millimeter.
10. according to claim 1 or claim 2 key (1); It is characterized in that; The sheet material that forms said the shank of the key (2) has the transverse holes (9) of extending perpendicular to said arbor (3); Moulding to realize said coating (6) cooperates, and the material of said coating (6) is diffused into when injection moulding in the said transverse holes (9).
11. key according to claim 1 or claim 2 (1) is characterized in that said coating has circular section shape, its diameter is the 2-6 millimeter.
12. key according to claim 1 or claim 2 (1) is characterized in that, said the shank of the key (2) has rough surface, to improve the adhesive power between said key main body and the said coating (6).
13. key as claimed in claim 5 (1) is characterized in that, said Metal Cutting technology is die-cut.
14. key as claimed in claim 9 (1) is characterized in that, the sheet thickness of said key main body is the 2-4 millimeter.
15. key as claimed in claim 9 (1) is characterized in that, the sheet thickness of said key main body is 3 millimeters.
16. key as claimed in claim 11 (1) is characterized in that, said coating diameter is the 3-5 millimeter.
17. key as claimed in claim 11 (1) is characterized in that, said coating diameter is 4 millimeters.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200810010164 DE102008010164A1 (en) | 2008-02-20 | 2008-02-20 | Key with an improved key shank |
| DE102008010164.8 | 2008-02-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101514598A CN101514598A (en) | 2009-08-26 |
| CN101514598B true CN101514598B (en) | 2012-07-11 |
Family
ID=40659789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910008964XA Expired - Fee Related CN101514598B (en) | 2008-02-20 | 2009-02-16 | Key with an improved key shank |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2093355B1 (en) |
| CN (1) | CN101514598B (en) |
| DE (1) | DE102008010164A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202015100441U1 (en) * | 2015-01-30 | 2016-05-03 | Schulte-Schlagbaum Aktiengesellschaft | Buntbartschlüssel with cross-sectionally cross-shaped shaft |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB854868A (en) * | 1958-09-30 | 1960-11-23 | Yale & Towne Mfg Co | Keys for locks |
| DE2037071A1 (en) * | 1970-07-27 | 1972-02-03 | Strohschnitter & Co, 2000 Hamburg | key |
| EP0990755B1 (en) * | 1997-06-20 | 2002-09-04 | ALPHA Corporation | Key plate and method of production thereof |
| CN2635832Y (en) * | 2003-08-11 | 2004-08-25 | 曾军 | Easy identified key |
| CN2709588Y (en) * | 2003-02-28 | 2005-07-13 | 程耀永 | Anti-theft lock with hidden keyhole |
| CN2856296Y (en) * | 2006-01-11 | 2007-01-10 | 刘振胜 | Keys |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1031677B (en) * | 1953-04-22 | 1958-06-04 | Heinz Roesinger | Key for door locks or the like. |
| AT371532B (en) * | 1978-12-15 | 1983-07-11 | Grundmann Gmbh Geb | FLAT KEY |
-
2008
- 2008-02-20 DE DE200810010164 patent/DE102008010164A1/en not_active Withdrawn
-
2009
- 2009-02-11 EP EP09152509.7A patent/EP2093355B1/en not_active Not-in-force
- 2009-02-16 CN CN200910008964XA patent/CN101514598B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB854868A (en) * | 1958-09-30 | 1960-11-23 | Yale & Towne Mfg Co | Keys for locks |
| DE2037071A1 (en) * | 1970-07-27 | 1972-02-03 | Strohschnitter & Co, 2000 Hamburg | key |
| EP0990755B1 (en) * | 1997-06-20 | 2002-09-04 | ALPHA Corporation | Key plate and method of production thereof |
| CN2709588Y (en) * | 2003-02-28 | 2005-07-13 | 程耀永 | Anti-theft lock with hidden keyhole |
| CN2635832Y (en) * | 2003-08-11 | 2004-08-25 | 曾军 | Easy identified key |
| CN2856296Y (en) * | 2006-01-11 | 2007-01-10 | 刘振胜 | Keys |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102008010164A1 (en) | 2009-08-27 |
| EP2093355B1 (en) | 2016-02-10 |
| CN101514598A (en) | 2009-08-26 |
| EP2093355A1 (en) | 2009-08-26 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151103 Address after: German ENNEPETAL Patentee after: DORMA DEUTSCHLAND GMBH Address before: The city of Germany Patentee before: Dorma GmbH & Co. KG |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20170216 |