CN103726725A - Equipment cabinet door lock - Google Patents
Equipment cabinet door lock Download PDFInfo
- Publication number
- CN103726725A CN103726725A CN201310754791.2A CN201310754791A CN103726725A CN 103726725 A CN103726725 A CN 103726725A CN 201310754791 A CN201310754791 A CN 201310754791A CN 103726725 A CN103726725 A CN 103726725A
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- Prior art keywords
- lock
- handle
- connecting rod
- cabinet door
- bearing pin
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Abstract
The invention relates to an equipment cabinet door lock. The equipment cabinet door lock comprises a lock base and a handle arranged on the lock base. The equipment cabinet door lock is characterized in that the lock base is provided with mounting holes allowing the head of the handle to penetrate through, the handle is hinged to the lock base through a hinge pin, the head of the handle is located on the inner side of the lock base, the tail of the handle is located on the outer side of the lock base, a connecting rod mechanism is hinged to the head of the handle through shafts parallel to the hinge pin, and the tail end of the connecting rod mechanism is provided with connecting portions used for being connected with a lock rod or a lock tongue. The equipment cabinet door lock has the advantages that the handle can not abrade the outer surface of the lock base and the equipment cabinet door lock is convenient and comfortable to operate; the equipment cabinet door lock is applicable to file cabinets, power distribution cabinets, equipment cabinets used in the communication field and other industrial equipment cabinets.
Description
Technical field
The present invention relates to communication cabinet technical field, be specifically related to a kind of cabinet door lock that is suitable for power distribution cabinet, the communication field various industry enclosures such as rack.
Background technology
File cabinet and power distribution cabinet, various industry enclosures such as rack for communication field in order to guarantee its safety, generally all need to be installed door lock on cabinet door.Like this, by door lock, cabinet door and cabinet are pinned, to improve the safety of rack.The form of lock is varied, has mechanical lock, electronic lock and mechanical and electronic compound lock etc., and wherein mechanical lock is the most conventional.
At rack in the past, use in mechanical door lock, most of door lock only can be realized some locking, and these cabinet general size are larger, some locking is difficult to guarantee the safety of rack, simultaneously, the rack of electromagnetic shielding being had relatively high expectations for some, some locking is also difficult to meet the requirement of electromagnetic shielding.Therefore, 2 even mechanical locks of multi-point fastening have been there are much can realizing.
The structure of more common a kind of door lock is: comprise lock core and locking plate, locking plate middle part is fixedly connected with lock core, each direct or indirect connection one locking bar in two ends or the dead bolt of locking plate.During use, insert key rotation lock core, lock core drives locking plate rotation, and locking plate drives two locking bars respectively to the rectilinear motion of two ends up and down of cabinet door, and inserts respectively in lockhole corresponding on cabinet, thereby cabinet door and cabinet are locked.This door lock is by rotating key actuated, and required strength is larger, and operating handle is bad, if key is shaky, and the risk fractureing in addition.As one of this lock, changing structure is: on lock core, be fixedly connected with a gear, the each engagement in gear both sides one tooth bar, drives tooth bar to move up and down by rotational lock core, and band is automatically connected in locking bar on tooth bar and moves up and down and realize and locking and release.The door lock of this structure still relies on rotation key actuated, still has aforesaid problem.
In order to address the above problem, occurred that some rely on handle to rotate the door lock that drives locking bar to move up and down, be that handle connects locking plate or gear by rotating shaft, handle lifts rear turning handle and can drive locking bar to move up and down, lock is not established in handle and locking plate or gear junction, but separately establish one, can pin and the secondary lock of release lever.During use, first open secondary lock, release lever, drives locking bar thereby make handle lift and to rotate.Such as Chinese patent (application) 99236758.1 disclosed " Portable cabinet cabinet door lock ", 200910107612.X disclosed " a kind of rack of locking and having this lock ", 201220575377.6 disclosed " bikini electromagnetic door locks ", 201220661833.9 disclosed " a kind of crank handle locks " and 03225456.3 disclosed " thin type cabinet cabinet door lock " etc. belong to the door lock of this class formation.This class lock has solved the deficiency of effort of unblanking, but has brought new problem.When first handle rotates, easily with the friction of lock Surface Contact, thereby cause the wearing and tearing of lock external surface, affect attractive in appearancely, cause needing SC when unblanking, to avoid lock surface wear as far as possible, therefore use is very not convenient, and comfort is inadequate.Wherein patent application 200910107612.X has done and has improved design for this problem, but it has brought again new problem, while being operating grip, must first handle be raised up to certain height ability turning handle, and such structure pays particular attention to while making to unblank, otherwise easily there is clamping stagnation and the phenomenon that has some setbacks, affect operating handle and comfort level.It two is to reserve the space that handle rotates, and for rack, its cabinet in front of the door space of side is normally enough, but the space of left and right is sometimes not necessarily enough, when pasting wall and lay such as rack.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of cabinet door lock that synchronously completes release action when handle is opened for above-mentioned prior art.
Another technical problem to be solved by this invention is to provide a kind ofly forgets the cabinet door lock of pulling up key after effectively preventing from unblanking.
The present invention addresses the above problem adopted technical scheme: a kind of cabinet door lock, comprise lock and be arranged on the handle on lock, it is characterized in that: on described lock, have an installing hole passing for handle head, handle is hinged on lock by bearing pin, and handle head portion is positioned at lock inner side and handle tail portion is positioned at lock outside, on handle head, by the axle parallel with described bearing pin, be hinged with linkage, the end of linkage is provided with the connecting portion for connecting locking bar or dead bolt.
Described linkage can only have a set of linkage, also can have the even many cover linkages of two covers, specifically need to be depending on the buckle structure between needed keyed end number and the cabinet door adopting and cabinet.But in view of rack is normally inserted respectively in the upper lockhole of cabinet and lower lockhole and is realized 2 lockings by upper locking bar and lower locking bar, therefore, preferred linkage is: comprise that first connecting rod mechanism and second connecting rod mechanism two overlap linkage, first connecting rod mechanism and second connecting rod mechanism are connected in respectively the end of described handle head by each self-corresponding bearing pin, and the end of the first bindiny mechanism is provided with the first connecting portion for connecting upper locking bar or upper lock tongue, and the end of second connecting rod mechanism is provided with the second connecting portion for connecting lower locking bar or lower dead bolt.As for aforementioned each self-corresponding axle, can be that same axis can be also two axles that are parallel to each other.
The concrete structures of above-mentioned two cover linkages are preferably: described first connecting rod mechanism comprises first connecting rod and second connecting rod, the lower end of first connecting rod is hinged on the top of described handle head end by the first bearing pin, its upper end is hinged on the middle part of second connecting rod by the second bearing pin, the first end of second connecting rod is hinged on described lock by the 3rd bearing pin, and the second end is provided with the first described connecting portion; Described second connecting rod mechanism comprises third connecting rod and the 4th connecting rod, the upper end of third connecting rod is hinged on the bottom of described handle head end by the 4th bearing pin, its lower end is hinged on the first end of the 4th connecting rod by the 5th bearing pin, the middle part of the 4th connecting rod is hinged on described lock by the 6th bearing pin, and second of the 4th connecting rod is provided with the second described connecting portion; Thereby realize: described in when described handle afterbody lifts the first connecting portion and the second connecting portion all near described handle head, and described in when handle afterbody puts down the first connecting portion and described the second connecting portion all away from described handle head.This preferred structure has advantages of simple in structure, and two cover linkage office upper-lower positions, and non-interference, independence is strong.
In the occasion higher to security requirement, on described lock, can also be provided with the secondary lock that can pin described handle.Secondary lock can be mechanical lock, can be also the arbitrary forms such as electronic lock, as long as can pin handle.Specifically by factors such as the requirement to safety and costs, determined.
For cost and conventional factor, consider, described secondary lock preferably adopts simple mechanical lock, and it comprises that one is arranged on the lock core of described lock bottom, and lock core connects a dead bolt, and described handle is provided with the latch hook matching with this dead bolt on corresponding inside wall.
Described handle afterbody has the through hole that a keyhole that can hold described lock core exposes.This structure is convenient to handle moulding, and holds key operated subregion because handle covers lock core only to expose, thereby has reduced the possibility that lock core is prized, and has increased safety.
Between described lock and described handle, being provided with at described handle during in open mode, makes described handle maintain the elastic component of open mode.The setting of this elastic component, when being convenient to cabinet door and opening, door lock remains unlocking condition, corresponding locking bar etc. be unlikely to stretch out and by the neglectful action of closing the door wait touch askew.From cost and property angle easy for installation, consider, described elastic component is preferably a Compress Spring, and one end of Compress Spring connects described lock, and the other end connects described handle.
The easy mode of one that described Compress Spring is installed is: the lower wall place of described installing hole is provided with the first projection, described handle and described lock hinged place are provided with the second projection, thereby the two ends of described Compress Spring are enclosed within respectively the location of realizing this Compress Spring on the first projection and the second projection.Further decision design is: when described handle afterbody is fitted described lock, described the second projection is positioned at the inner side of described bearing pin and described the first projection place plane, and work as, described handle afterbody lifts and away from described lock process, described the second projection will be crossed described bearing pin and described the first projection place plane and the outside of this plane that arrives.Such decision design makes can cross a dead point in handle afterbody rotation process, in locking process, cross behind this dead point, Compress Spring will make handle afterbody draw close to lock, thereby be conducive to handle and lock laminating, and in the process of unblanking, cross behind this dead point, Compress Spring can make handle afterbody away from lock, thereby makes door lock remain unlocking condition, and therefore the operating handle that makes people comfortable is provided.
Compared with prior art, the invention has the advantages that: structure of the present invention makes to lift handle afterbody can realize unblanking between cabinet door and cabinet, and press handle afterbody, can realize the locking between cabinet door and cabinet, do not need handle as door lock of the prior art to rotate around the axle perpendicular to cabinet door, therefore the handle lock external surface that can not wear and tear, and because not needing to worry the handle lock external surface that can wear and tear, and there is no catching phenomenon of the prior art during operating grip, therefore easy to operate comfortable.In addition, in door lock opening process, after unblanking, must pull up key just mentions handle, with after effectively preventing from unblanking, forget the cabinet door lock of pulling up key, and handle is only to cabinet just motion in front of the door, the space of therefore rotating without reserved handle when laying rack, is convenient to use in the nervous narrow and small environment in space.
Accompanying drawing explanation
Fig. 1 be under the embodiment of the present invention gate lock for cabinet blocking proceeds posterolateral to stereogram;
Fig. 2 be under the embodiment of the present invention gate lock for cabinet blocking front side to stereogram;
Fig. 3 is the three-dimensional exploded view of embodiment of the present invention gate lock for cabinet;
Fig. 4 be under the embodiment of the present invention gate lock for cabinet unlocking condition proceeds posterolateral to stereogram;
Fig. 5 be under the embodiment of the present invention gate lock for cabinet unlocking condition front side to stereogram; ;
Fig. 6 is the stereogram of gate lock for cabinet other direction in Fig. 5;
Fig. 7 is the lateral view of embodiment of the present invention gate lock for cabinet;
Fig. 8 is the sectional view under embodiment of the present invention gate lock for cabinet blocking;
Fig. 9 is the sectional view under embodiment of the present invention gate lock for cabinet unlocking condition;
Figure 10 is that embodiment of the present invention gate lock for cabinet is arranged on the structural representation on rack.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in Fig. 1～9, cabinet door lock in the present embodiment, comprise lock 1 and be arranged on the handle 2 on lock, on lock 1, have an installing hole 101 passing for handle head 201, handle 2 is hinged on lock 1 by bearing pin 3, the two ends of bearing pin 3 are positioned on the two side of installing hole 101, and handle head 201 is positioned at lock inner side and handle afterbody 202 is positioned at lock outside, thereby make handle head 201 and handle afterbody 202 outside lock inner side and lock, with respect to lock 1, synchronously lift or to put down respectively.The end of handle head 201 is connected with first connecting rod mechanism and linkage overlaps in second connecting rod mechanism two.
Described first connecting rod mechanism comprises first connecting rod 4 and second connecting rod 5, the lower end of first connecting rod 4 is hinged on the top of handle head 201 ends by the first bearing pin 6, its upper end is hinged on the middle part of second connecting rod 5 by the second bearing pin 7, the first end of second connecting rod 5 is hinged on lock 1 by the 3rd bearing pin 8, and the second end is provided with for connecting upper locking bar 9(referring to Fig. 9) the first connecting portion 501; Described second connecting rod mechanism comprises third connecting rod 10 and the 4th connecting rod 11, the upper end of third connecting rod 10 is hinged on the bottom of handle head 201 ends by the 4th bearing pin 12, its lower end is hinged on the first end of the 4th connecting rod 11 by the 5th bearing pin 13, the middle part of the 4th connecting rod 11 is hinged on lock 1 by the 6th bearing pin 14, and the second end is provided with for connecting lower locking bar 15(referring to Fig. 9) the second connecting portion 111; Thereby realize: when handle afterbody 202 lifts the first connecting portion 501 and the second connecting portion 111 all near handle head 201, and when handle afterbody 202 puts down the first connecting portion 501 and the second connecting portion 111 all away from handle head 201.Aforesaid the first connecting portion 501 and the second connecting portion 111 are the hole for bearing pin is installed in the present embodiment.Bearing pins all in the present embodiment is parallel mutually.
In the present embodiment, on described lock 1, be also provided with the secondary lock that can pin handle 2, this secondary lock comprises that one is arranged on the lock core 16 of lock 1 bottom, and lock core 16 connects a dead bolt 161, and handle is provided with the latch hook 203 matching with this dead bolt 161 on corresponding inside wall.Handle afterbody 202 also has the through hole 204 that a keyhole that can hold described lock core 16 exposes.
Between described lock 1 and handle 2, being also provided with at handle 2 during in open mode, makes handle 2 maintain the Compress Spring 17 of open mode.The lower wall place of described installing hole 101 is provided with the first projection 102, described handle 2 is provided with the second projection 205 with lock 1 hinged place, thereby the two ends of Compress Spring 17 are enclosed within respectively the location of realizing this Compress Spring 17 on the first projection 102 and the second projection 205, and, when described handle afterbody 202 is fitted lock 1, described the second projection 205 is positioned at the inner side of bearing pin 3 and the first projection 102 place planes, and lift and away from lock 1 process when described handle afterbody 202, described the second projection 205 will be crossed bearing pin 3 and the first projection 102 place planes and the outside of this plane that arrives.
The operating principle of the present embodiment is as follows:
Under blocking, with key insertion lock core 16, rotation key, make dead bolt 161 depart from the latch hook 203 on handle 2, then lift handle afterbody 202, handle head 201 rotates downwards around bearing pin 3, thereby drive first connecting rod mechanism and second connecting rod mechanism action, and the first connecting portion 501 is moved down and the second connecting portion 111 moves up, thereby drive the upper locking bar 9 that connects separately and lower locking bar 15 respectively downwards and move up, and in the lockhole from cabinet, deviate from respectively, thereby release now can be opened cabinet door.While wanting locking, reverse operating.
Claims (10)
1. a cabinet door lock, comprise lock (1) and be arranged on the handle (2) on lock (1), it is characterized in that: on described lock (1), have an installing hole (101) passing for handle head (201), handle (2) is hinged on lock (1) by bearing pin (3), and handle head (201) is positioned at lock (1) inner side and handle afterbody (202) is positioned at lock outside, handle head (201) is upper is hinged with linkage by the axle parallel with described bearing pin (3), the end of linkage is provided with the connecting portion for connecting locking bar or dead bolt.
2. cabinet door lock according to claim 1, it is characterized in that: described linkage comprises first connecting rod mechanism and second connecting rod mechanism, first connecting rod mechanism and second connecting rod mechanism are connected in respectively the end of described handle head by each self-corresponding bearing pin, and the end of the first bindiny mechanism is provided with the first connecting portion for connecting upper locking bar or upper lock tongue, and the end of second connecting rod mechanism is provided with the second connecting portion for connecting lower locking bar or lower dead bolt.
3. cabinet door lock according to claim 2, it is characterized in that: described first connecting rod mechanism comprises first connecting rod (4) and second connecting rod (5), the lower end of first connecting rod (4) is hinged on the top of described handle head (201) end by the first bearing pin (6), its upper end is hinged on the middle part of second connecting rod (5) by the second bearing pin (7), it is upper that the first end of second connecting rod (5) is hinged on described lock (1) by the 3rd bearing pin (8), and the second end is provided with the first described connecting portion; Described second connecting rod mechanism comprises third connecting rod (10) and the 4th connecting rod (11), the upper end of third connecting rod (10) is hinged on the bottom of described handle head (201) end by the 4th bearing pin (12), its lower end is hinged on the first end of the 4th connecting rod (11) by the 5th bearing pin (13), it is upper that the middle part of the 4th connecting rod (11) is hinged on described lock (1) by the 6th bearing pin (14), and the second end of the 4th connecting rod (11) is provided with the second described connecting portion; Thereby realize: described in when described handle afterbody lifts the first connecting portion and the second connecting portion all near described handle head, and described in when handle afterbody puts down the first connecting portion and described the second connecting portion all away from described handle head.
4. according to the cabinet door lock described in claim 1 or 2 or 3, it is characterized in that: described lock (1) is provided with the secondary lock that can pin described handle (2).
5. cabinet door lock according to claim 4, it is characterized in that: described secondary lock comprises that one is arranged on the lock core (16) of described lock (1) bottom, lock core (16) connects a dead bolt (161), and described handle is provided with the latch hook matching with this dead bolt (161) on corresponding inside wall.
6. cabinet door lock according to claim 5, is characterized in that: described handle afterbody (202) has the through hole (204) that a keyhole that can hold described lock core (16) exposes.
7. according to the cabinet door lock described in arbitrary claim in claim 1 to 6, it is characterized in that: between described lock (1) and described handle (2), be provided with at described handle (2) and during in open mode, make described handle maintain the elastic component of open mode.
8. cabinet door lock according to claim 7, is characterized in that: described elastic component is a Compress Spring, and one end of Compress Spring connects described lock (1), and the other end connects described handle (2).
9. cabinet door lock according to claim 8, it is characterized in that: the lower wall place of described installing hole (101) is provided with the first projection (102), described handle (2) and described lock (1) hinged place are provided with the second projection (205), and the two ends of described Compress Spring (17) are enclosed within respectively the first projection (102) and the second projection (205) thereby go up the location of realizing this Compress Spring (17).
10. cabinet door lock according to claim 9, it is characterized in that: when described handle afterbody (202) is fitted described lock (1), described the second projection (205) is positioned at the inner side of described bearing pin and described the first projection (102) place plane, and work as, described handle afterbody (202) lifts and away from described lock (1) process, described the second projection (205) will be crossed described bearing pin (3) with described the first projection (102) place plane and the outside of this plane that arrives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754791.2A CN103726725A (en) | 2013-12-31 | 2013-12-31 | Equipment cabinet door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754791.2A CN103726725A (en) | 2013-12-31 | 2013-12-31 | Equipment cabinet door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103726725A true CN103726725A (en) | 2014-04-16 |
Family
ID=50450995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310754791.2A Pending CN103726725A (en) | 2013-12-31 | 2013-12-31 | Equipment cabinet door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103726725A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795202A (en) * | 2017-11-28 | 2018-03-13 | 浙江锦源实业有限公司 | Fillet bag lock |
| WO2018219159A1 (en) * | 2017-05-27 | 2018-12-06 | 山东新北洋信息技术股份有限公司 | Storage box |
| CN110284777A (en) * | 2019-06-12 | 2019-09-27 | 和信精密科技（吴江）有限公司 | A kind of simple quick release lock for cabinet door |
| CN113653409A (en) * | 2021-09-02 | 2021-11-16 | 苏州德仕耐五金技术有限公司 | Multi-point linkage locking crank latch body system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002004685A (en) * | 2000-06-23 | 2002-01-09 | Nitto Electric Works Ltd | Latch lock |
| JP2009191569A (en) * | 2008-02-18 | 2009-08-27 | Nitto Electric Works Ltd | Handle device |
| CN201620659U (en) * | 2010-03-08 | 2010-11-03 | 浙江宏泰电子设备有限公司 | Connecting-rod type electronic lock |
| CN202483281U (en) * | 2012-02-02 | 2012-10-10 | 无锡新奇生电器有限公司 | Three-point lock device for general cabinet |
| CN203769471U (en) * | 2013-12-31 | 2014-08-13 | 宁波隆兴电信设备制造有限公司 | Cabinet door lock of equipment cabinet |
-
2013
- 2013-12-31 CN CN201310754791.2A patent/CN103726725A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002004685A (en) * | 2000-06-23 | 2002-01-09 | Nitto Electric Works Ltd | Latch lock |
| JP2009191569A (en) * | 2008-02-18 | 2009-08-27 | Nitto Electric Works Ltd | Handle device |
| CN201620659U (en) * | 2010-03-08 | 2010-11-03 | 浙江宏泰电子设备有限公司 | Connecting-rod type electronic lock |
| CN202483281U (en) * | 2012-02-02 | 2012-10-10 | 无锡新奇生电器有限公司 | Three-point lock device for general cabinet |
| CN203769471U (en) * | 2013-12-31 | 2014-08-13 | 宁波隆兴电信设备制造有限公司 | Cabinet door lock of equipment cabinet |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018219159A1 (en) * | 2017-05-27 | 2018-12-06 | 山东新北洋信息技术股份有限公司 | Storage box |
| CN107795202A (en) * | 2017-11-28 | 2018-03-13 | 浙江锦源实业有限公司 | Fillet bag lock |
| CN110284777A (en) * | 2019-06-12 | 2019-09-27 | 和信精密科技（吴江）有限公司 | A kind of simple quick release lock for cabinet door |
| CN113653409A (en) * | 2021-09-02 | 2021-11-16 | 苏州德仕耐五金技术有限公司 | Multi-point linkage locking crank latch body system |
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Application publication date: 20140416 |