CN2797530Y - Protective means for door lock - Google Patents
Protective means for door lock Download PDFInfo
- Publication number
- CN2797530Y CN2797530Y CN 200520002325 CN200520002325U CN2797530Y CN 2797530 Y CN2797530 Y CN 2797530Y CN 200520002325 CN200520002325 CN 200520002325 CN 200520002325 U CN200520002325 U CN 200520002325U CN 2797530 Y CN2797530 Y CN 2797530Y
- Authority
- CN
- China
- Prior art keywords
- screw
- over cap
- door lock
- protector
- spanner
- 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 relates to a protective device for a door lock, which is used for protecting a lock core of the door lock and providing protection for a door lock. The protective device comprises a protective cover covering the lock core, and screws for fixing the protective cover, wherein the head of the screw is provided with an inner polygonal slot. The protective cover is fixed to a groove through at least one screw, and the groove positioned on the door lock is matched with the shape of the protective cover. The protective device also comprises a spring sheathed on the screw to provide elasticity for uplifting the protective cover, and a spanner for opening or tightening the screw, and the spanner is provided with an outer polygonal end matched with the inner polygonal slot of the screw.
Description
Technical field
The utility model relates to the protector of the plant equipment in the communications field, and a kind of protector of door lock is provided especially.
Background technology
The communication technology just at an unprecedented rate develops, and each operator is quick networking and saves the computer room construction cost, just more and more uses outdoor equipment.For adapting to this trend, telecommunications equipment provider is also all released various outdoor equipments rapidly, and Cabinet is also just more and more, and the thing followed guarantees that the problem of Cabinet safety is also more and more important.Cabinet generally adopts door lock protection locking cabinet door to guarantee the safety of rack equipment, should have safety preferably after the door lock locking, promptly to guarantee and to be pried open easily, guarantee again can normally open to make things convenient for plant maintenance with the key of this door lock, because equipment is installed in outdoor, door lock also needs certain protector to realize functions such as good anti-clogging, pick-proof, dustproof, waterproof, and existing outdoor door lock is general to adopt following technical guarantee above-mentioned requirements.
Prior art one:
Most of Cabinet door locks hole is to seal with a flexible stainless steel substrates, and when key inserted, stainless steel substrates is upset inwards under the thrust of key, key can insert the realization unlocking action smoothly, key is extracted the back shell fragment and is restored to the original state, and seals lockhole, shell fragment rises dustproof, waterproof action.But because stainless steel substrates is flexible, dustproof, waterproof effect is relatively poor, and can't prevent the obstruction and the destruction of deliberating, thereby protection effect is relatively poor.
Prior art two: slip lid protector
As shown in Figure 1, on the lock core 2 that is positioned at door lock 1, install the over cap 3 that can slide up and down additional, when unblanking that over cap is upwards sliding, expose keyhole and unblank then, when locking the door, over cap is slided, cover lockhole.This over cap 3 because slidably has certain effect to dustproof, waterproof, but can arbitrarily promote over cap per capita because of any, blocks lockhole then and pries open door lock, can not prevent that still the obstruction of deliberating from destroying.
Prior art three: the fastening over cap of standard screws
As shown in Figure 2, add over cap 3 and cover lockhole on lock core 2, over cap 3 usefulness screws 4 are fixed on the door lock, and screw 4 is common standard screws, when unblanking, turn on two screws with the normal screws cutter, take off over cap, open the lock with the key then.During locking, will lock with key earlier, with two screws over cap will be fixed on the door lock 1 then.The shortcoming of this technology is: need take off over cap when unblanking, over cap breaks away from door lock, operation inconvenience, and easily lose; Fastening with two standard screws, screwdriver commonly used just can be turned on screw easily, and safety is relatively poor; Need to unblank the band screwdriver, make troubles to operating personnel.
The utility model content
The utility model provides a kind of protector of door lock for solving the safety issue of door lock, and the lock core in order to the protection door lock comprises: cover the over cap of described lock core, and the screw of fixing described over cap, the head of described screw has interior polygonal groove.
In a groove, this groove is positioned on the described door lock described over cap by at least one screw, forms with the shape of described over cap to cooperate.
Described protector also comprises the spring that is enclosed within on the described screw, provides elastic force for lifting described over cap.
Described protector also comprises spanner, and in order to open or to tighten described screw, this spanner has the outer polygonal end of matching with the interior polygonal groove of described screw.
In the interior polygonal groove of described screw at least one reference column is arranged, there is at least one locating hole that cooperates with described location the outer polygonal end of described spanner.
Polygonal groove or outer polygonal end are five corner structures in described, and described reference column is a cylinder, and described locating hole is a circular hole.
Described over cap directly is fixed on the surface of described door lock by at least two screws.
Described over cap one end and described door lock form and are rotationally connected, and the other end relative with this end that is rotationally connected is by at least one screw.
The utility model possesses following beneficial effect:
1, owing to, is difficult for opening with conventional instrument with fastening over caps of special-shaped screw such as inner pentagon screws.The spanner of opening over cap is supporting special spanner, and this spanner structure is small and exquisite, and it is the hole of 3mm that afterbody has a diameter, can be through with key, is easy to carry;
2, add locking closure after, prevent that dust, rainwater from entering lockhole, cause the corrosion of door lock inner body, over cap is fastened in the groove, its external surface sinks to about external surface 0.2mm, not easy-to-use other tamper tool over caps;
3, spring plays the effect of lifting over cap, and the length of screw is enough, behind the over cap of outwarding winding, need not unload screw, and screw, spring and over cap need not break away from door lock in operating process, prevent loss.
Description of drawings
Fig. 1 is prior art one a described slip lid protector;
Fig. 2 is the prior art two described protectors that utilize the fastening over cap of standard screws;
Fig. 3 is Door lock protector embodiment described in the utility model;
Fig. 4 is the inner pentagon screw sectional view;
Fig. 5 is the head vertical view of inner pentagon screw.
The specific embodiment
Shown in Figure 3, the utility model provides a kind of new Door lock protector, and the lock core 2 in order to protection door lock 1 comprises: over cap 3, screw 4, spanner 5 and spring 6.
Over cap 3 covers lock core 2, is fixed in the groove 7 on the door lock 1 by at least one screw 4, and lock core 2 is positioned at this groove 7, and the shape of this groove 7 cooperates fully with shape, the size of over cap 3, and the thickness of over cap 3 is identical or slightly thin with the height of groove 7.Over cap 3 materials can be chosen as the 1mm corrosion resistant plate, and the intensity of stainless steel material is very big, and over cap 3 is installed in the groove 7, and are concordant or a little less than the door lock surface, further increased the difficulty of prying open.Over cap 3 also can directly be fixed on the door lock 1 by at least two screws 4, covers on the lock core, perhaps also can connect door lock 1 by rotating shaft, and is fixing by screw 4 again, can finely prevent that screw 4 from turning on back over cap 3 and coming off from door lock 1.
Screw 4 is special-shaped screw; in order to fixing over cap 3; the concrete model of special-shaped screw has multiple choices; commonly used have interior polygonal groove for head; for example Fig. 4, M3X12 inner pentagon screw shown in Figure 5; screw head has interior five chamfered grooves, also is provided with the small column of at least one location usefulness in the groove, has only the special tool of use just can turn on screw like this.Inner pentagon screw is longer, and screw 4 does not need all to back-out when unblanking, and that is to say, over cap 3 can hang on the screw 4 when unblanking, and has avoided screw 4, spring 6 and over cap 3 to separate when unblanking like this, thereby avoids causing the operation inconvenience of losing and bringing.
Spanner 5 is in order to open or to tighten described screw 4, supporting with the model of screw 4, has the outer polygonal end of matching with the interior polygonal groove of screw 4, when screw 4 is selected above-mentioned M3X12 inner pentagon screw for use, spanner 5 has outer five jiaos of ends of cooperation, and this end is provided with the circular hole that matches with the cylinder of screw 4.Spanner 5 curves the L type to strengthen moment of torsion, and these spanner 5 structures are small and exquisite, and afterbody has a diameter to be the hole of 3mm or to connect a ring, can be through with key, is easy to carry.
Spring 6 is enclosed within on the screw 4, and material is a stainless steel, and the effect of spring 6 is: unscrew in the process of inner pentagon screw 4 at unlatching spanner 5; over cap 3 is because the effect of spring; in time upwards lift, break away from the groove 7 of lock core, push over cap 3 aside and just can expose lockhole and unblanked.
The utility model possesses following beneficial effect:
1, owing to, is difficult for opening with conventional instrument with fastening over caps of special-shaped screw such as inner pentagon screws.The spanner of opening over cap is supporting special spanner, and this spanner structure is small and exquisite, and it is the hole of 3mm that afterbody has a diameter, can be through with key, is easy to carry.
2, add locking closure after, prevent that dust, rainwater from entering lockhole, cause the corrosion of door lock inner body, over cap is fastened in the groove, its external surface sinks to about external surface 0.2mm, not easy-to-use other tamper tool over caps.
3, spring plays the effect of lifting over cap, and the length of screw is enough, behind the over cap of outwarding winding, need not unload screw, and screw, spring and over cap need not break away from door lock in operating process, prevent loss.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1, a kind of protector of door lock, the lock core (2) in order to protection door lock (1) comprising: cover the over cap (3) of described lock core (2), the screw (4) of fixing described over cap (3) is characterized in that the head of described screw (4) has polygonal inside groove.
2, protector as claimed in claim 1 is characterized in that, described over cap (3) is fixed in the groove (7) by at least one screw (4), and this groove (7) is positioned on the described door lock (1), forms with the shape of described over cap (3) to cooperate.
3, protector as claimed in claim 1 is characterized in that: also comprise the spring (6) that is enclosed within on the described screw (4), this spring (6) provides elastic force for lifting described over cap (3).
4, as claim 1,2 or 3 described protectors, it is characterized in that: also comprise spanner (5), in order to open or to tighten described screw (4), this spanner (5) has the outer polygonal end of matching with the interior polygonal groove of described screw (4).
5, protector as claimed in claim 4 is characterized in that: in the interior polygonal groove of described screw (4) at least one reference column is arranged, there is at least one locating hole that cooperates with described location the outer polygonal end of described spanner (5).
6, protector as claimed in claim 5 is characterized in that: polygonal groove or outer polygonal end are five corner structures in described, and described reference column is a cylinder, and described locating hole is a circular hole.
7, protector as claimed in claim 4 is characterized in that: described spanner (5) is the L type, and is provided with suspension arrangement.
8, protector as claimed in claim 7 is characterized in that: described suspension arrangement is the through-hole structure or the fixedly connected with it circulus of described spanner (5) one ends.
9, protector as claimed in claim 1 is characterized in that: described over cap (3) directly is fixed on the surface of described door lock (1) by at least two screws (4).
10, protector as claimed in claim 1 is characterized in that: described over cap (3) one ends and described door lock (1) form and are rotationally connected, and the other end relative with this end that is rotationally connected is fixing by at least one screw (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520002325 CN2797530Y (en) | 2005-02-06 | 2005-02-06 | Protective means for door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520002325 CN2797530Y (en) | 2005-02-06 | 2005-02-06 | Protective means for door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2797530Y true CN2797530Y (en) | 2006-07-19 |
Family
ID=36868769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520002325 Expired - Fee Related CN2797530Y (en) | 2005-02-06 | 2005-02-06 | Protective means for door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2797530Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889023A (en) * | 2012-09-25 | 2013-01-23 | 泰州马赫机械制造有限公司 | Moving device in lock protective plate |
-
2005
- 2005-02-06 CN CN 200520002325 patent/CN2797530Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889023A (en) * | 2012-09-25 | 2013-01-23 | 泰州马赫机械制造有限公司 | Moving device in lock protective plate |
| CN102889023B (en) * | 2012-09-25 | 2015-03-11 | 泰州马赫机械制造有限公司 | Moving device in lock protective plate |
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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: 20060719 Termination date: 20100206 |