CN108798248A - A kind of lock head structure, door lock and safety door - Google Patents
A kind of lock head structure, door lock and safety door Download PDFInfo
- Publication number
- CN108798248A CN108798248A CN201810526507.9A CN201810526507A CN108798248A CN 108798248 A CN108798248 A CN 108798248A CN 201810526507 A CN201810526507 A CN 201810526507A CN 108798248 A CN108798248 A CN 108798248A
- Authority
- CN
- China
- Prior art keywords
- tapered end
- lock
- inner sheath
- oversheath
- head structure
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Connection Of Plates (AREA)
Abstract
The present invention provides a kind of lock head structure and with its door lock and the safety door for being equipped with the door lock, and wherein lock head structure includes tapered end；Tapered end inner sheath is sheathed in the lock housing of the tapered end, and the cylindrical outer peripheral wall of the tapered end inner sheath is equipped with locking hole, and the locking hole is suitable for passing through for fastener and connecting the tapered end inner sheath and the lock housing with the appended claims；Tapered end oversheath is sheathed on outside the tapered end inner sheath with covering the locking hole, and the maximum radial gap between the tapered end oversheath and the tapered end inner sheath is less than the difference of the axial length and the tapered end inner sheath wall thickness of the fastener.The lock head structure can prevent from fastener thereon from being shaken falling off.
Description
Technical field
The present invention relates to lock technology fields, and in particular to a kind of lock head structure, door lock and safety door.
Background technology
Tapered end outer end on antitheft door is exposed to outside, is easy by different forms of violence damage or technical illegal unlatching.
Therefore it sets oversheath in tapered end inner sheath to play a certain protective role tapered end, mitigates violence wound to a certain extent
Evil.
Existing tapered end outer jacket structure generally includes the tubular inner sheath part being set on tapered end lock housing periphery wall,
And the protheca part extended over from tubular inner sheath to tapered end lock housing front end, lock core front end face of the protheca part to tapered end
It bends and extends to keyhole and be formed about the panel for covering lock core, tubular inner sheath part and tapered end lock housing periphery wall upper edge diameter
To fixed mounting hole is offered, the two is fixedly connected by being inserted radially into fixed component.In the prior art existing protheca part with
Tubular inner sheath part is integrally formed, also has tapered end after rear of lock body loading, can be set with outside one and protect on protheca part
Set, is covered on outside tapered end inner sheath.Set on existing oversheath inner wall there are four wedge shaped projection, convex block be stuck in protheca part with
In gap between tapered end inner sheath.No matter which kind of form, when tapered end oversheath exposed parts are strongly reversed, due to outer
Sheath cannot dally on tapered end, and fixed component can be quaked loose and be fallen off using vibrations tool by outside, at this time outside tapered end
Sheath is easy for being removed, and causes lock core to be directly exposed to outer, lockset is made to lose protection.
Invention content
Therefore, the technical problem to be solved in the present invention is that tapered end oversheath fixed component in the prior art is overcome to be easy
The defect to be fallen off by vibrations a kind of can prevent fixed component from being shaken the lock head structure that falls off, door lock and safety door to provide.
The present invention provides a kind of lock head structure, including
Tapered end is adapted to be mounted in lock body；Tapered end inner sheath is sheathed in the lock housing of the tapered end, shield in the tapered end
The cylindrical outer peripheral wall of set is equipped with locking hole, and the locking hole is suitable for passing through for fastener and connecting institute with the appended claims
State tapered end inner sheath and the lock housing；
Tapered end oversheath is sheathed on outside the tapered end inner sheath with covering the locking hole, the tapered end oversheath and institute
It states the gap radial clearance between tapered end inner sheath and is less than the axial length of the fastener and the tapered end inner sheath wall thickness
Difference.
The tapered end oversheath is bonded setting with the tapered end inner sheath.
The tapered end oversheath can be rotationally sheathed on relative to the tapered end inner sheath outside the tapered end inner sheath.
The tapered end oversheath is installed on close to one end of the lock body on the lock body.
The tapered end oversheath has extended radially outward convex edge close to one end of the lock body；
It is formed on the lock body and the tapered end oversheath is inserted into and limited for the convex edge relative in the tapered end
The limiting slot that sheath is axially moved.
There are two the limiting slot tools, is relatively set to the diameter both ends of the convex edge.
The lock body is outward extended with limiting plate close to one end of the tapered end oversheath, and the limiting plate includes by described
The end face of lock body along the tapered end oversheath the axillare for being axially facing the tapered end oversheath and extending, and by the axillare
Along the diameter plate of the tapered end oversheath extended radially adjacent to the tapered end oversheath, the axillare, the diameter plate and institute
It states and surrounds the limiting slot between the end face of lock body.
The tapered end inner sheath includes the first body being sheathed on close to the lock body on the periphery wall of the lock housing, institute
The periphery wall for stating the first body is equipped with the locking hole.
The tapered end inner sheath further includes that the covering lock housing is sheathed on far from described lock body one end in the lock housing
The periphery wall of second body, second body is equipped with the locking hole.
The end face that second body covers the lock housing is equipped with anti-drilling portion.
The present invention provides a kind of door lock comprising above-mentioned lock head structure and the lock body for installing the lock head structure.
The present invention provides a kind of safety door comprising can install the door-plate of above-mentioned door lock.
Technical solution of the present invention has the following advantages that：
1. lock head structure provided by the invention, including the tapered end that is adapted to mount in lock body and it is sheathed on outside the lock housing of tapered end
Tapered end inner sheath, the cylindrical outer peripheral wall of tapered end inner sheath is equipped with locking hole, locking hole be suitable for passing through for fastener and with it is tight
Firmware mating connection tapered end inner sheath and lock housing；And it is sheathed on the tapered end oversheath outside tapered end inner sheath with covering locking hole,
Radial clearance between tapered end oversheath and tapered end inner sheath is less than the axial length of the fastener and the tapered end inner sheath
The difference of wall thickness.The tapered end oversheath being arranged outside tapered end inner sheath can cover all locking holes, and therebetween clearance diameter to
Gap is less than the difference of the axial length and the tapered end inner sheath wall thickness of the fastener, even if utilizing vibrations work using in outside
Tool shakes loose fastener from locking hole so that and fastener is slided to locking hole outside direction, but due to the limitation of tapered end oversheath,
Fastener in the lock housing blind hole part of locking hole, cannot still continue to slide out so that fastener remains lock
Connection relation between head inner sheath and lock housing, thus tapered end inner sheath cannot be removed from tapered end, protect lock head structure
Integrality, preventing from lock core being directly exposed to outer makes lockset lose protection.
2. lock head structure provided by the invention, tapered end oversheath can rotationally be sheathed on institute relative to the tapered end inner sheath
It states outside tapered end inner sheath so that after the exposed parts of the outer inner sleeve of tapered end are vised by powerful tools, due to there is no circumferential constraint, tool
The torsion of application can only allow tapered end oversheath to dally with respect to tapered end inner sheath, and the prior art is avoided to be connected to inner sheath using voussoir
On connection type have by the torsion torque failure of tonger, cause the fastener on tapered end inner sheath to lose and protect and then allow tapered end
The case where global failure, occurs.
3. one end of lock head structure provided by the invention, the close lock body of tapered end oversheath is installed on lock body.Outside tapered end
Sheath has extended radially outward convex edge close to one end of lock body；It is formed on lock body and is inserted into and is limited outside tapered end for convex edge
The limiting slot that sheath is axially moved relative to tapered end inner sheath.Convex edge on tapered end oversheath can cover between tapered end and lock body
Gap, prevent technology opener from entering progresss technology unlatching inside tapered end from this gap, it is safe to effectively raise lockset
Property.Limiting slot on lock body defines that tapered end oversheath is axially moved with respect to tapered end inner sheath, can prevent tapered end oversheath quilt
It is extracted out from outside, ensures that the fastener on tapered end inner sheath is under the covering of tapered end oversheath, realize to fastener
Protection.
4. lock head structure provided by the invention, lock body is outward extended with limiting plate close to one end of tapered end oversheath, limit
Plate include by lock body end face along tapered end oversheath the axillare for being axially facing tapered end oversheath and extending, and by axillare along lock
The diameter plate of head oversheath extended radially adjacent to tapered end oversheath, surrounds limit between the end face of axillare, diameter plate and lock body
Slot.Diameter plate and being equipped with for axillare provide the limit rotated relative to tapered end inner sheath for it for the convex edge of tapered end oversheath
Slot also defines axial and circumferential motion range of the tapered end oversheath with respect to shield sheath in tapered end.Diameter plate can push down tapered end
The convex edge of oversheath prevents tapered end housing from being pulled outward, effective protection tapered end.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the sectional view of lock head structure in the embodiment of the present invention 1；
Fig. 2 is the enlarged drawing of the part of 1 fastener mounting structure of the embodiment of the present invention；
Fig. 3 is the connection diagram of tapered end oversheath and lock body in the embodiment of the present invention 1；
Fig. 4 is the assembling schematic diagram of door lock in the embodiment of the present invention 2.
Fig. 5 is scheme of installation of the door lock on door-plate in the embodiment of the present invention 2 and embodiment 3
Reference sign：
1- tapered ends；2- fasteners；3- tapered end inner sheaths；4- tapered end oversheaths；5- lock bodies；6- door-plates
11- lock housings；21- locking holes；The first bodies of 31-；The second bodies of 32-；The anti-drilling portions 321-；
The convex edges 41-；51- limiting plates；511- axillares；512- diameter plates；513- limiting slots；
61- tapered ends hole；62- lock body slots.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of lock head structure, including tapered end 1, tapered end inner sheath 3 and tapered end oversheath
4。
Tapered end 1 is made of external lock housing 11, and its internal lock core.Tapered end inner sheath 3 is set in the lock housing 11 of tapered end 1
On, as shown in Fig. 2, molding blind hole portion in the throughhole portions and lock housing 11 that are equipped in the cylindrical outer peripheral wall of tapered end inner sheath 3
Be grouped as locking hole 21, the rivet that locking hole 21 is suitable for being provided as fastener 2 pass through and with protected in 2 mating connection tapered end of fastener
Set 3 and lock housing 11.Tapered end oversheath 4 is sheathed on tapered end inner sheath 3 outside and covers locking hole 21, in tapered end oversheath 4 and tapered end
Maximum radial gap b between sheath 3 is less than the difference of the axial length a and the tapered end inner sheath wall thickness c of rivet.Even if
Outside is shaken loose fastener 2 using vibrations tool from locking hole 21 so that and fastener 2 is slided to the outside direction of locking hole 21,
But due to the limitation of tapered end oversheath 4, fastener 2 still has in the 11 blind hole part of lock housing being partially on locking hole 21,
It cannot continue to slide out so that fastener 2 remains the connection relation between tapered end inner sheath 3 and lock housing 11, thus locks
Head inner sheath 3 cannot be removed from tapered end 1, protect the integrality of lock head structure, prevent from lock core being directly exposed to outer make
Lockset loses protection.
The ideal embodiment of above-described embodiment is that tapered end oversheath 4 is bonded setting with the tapered end inner sheath 3, into one
Step reduces 2 moveable space of fastener, ensure that being stably connected between tapered end inner sheath 3 and lock housing 11.
As interchangeable embodiment, the fastener 2 in the present embodiment can also be set as threaded connector such as countersunk head spiral shell
Bolt, the through-hole on corresponding tapered end inner sheath 3 are set as being equipped with screw thread the blind hole in counterbore and lock housing 11 Nei.Such structure
Fastener 2 further promotes connection reliability so that fastener 2 is shaken loose the required time by vibrations tool using being threadedly coupled
Extend, the difficulty that fastener 2 falls off increases, and then improves the safety of lock head structure.
Tapered end oversheath 4 in the present embodiment can be rotationally sheathed on relative to tapered end inner sheath 3 outside tapered end inner sheath 3,
So that after the exposed parts of tapered end oversheath 4 are vised by powerful tools, due to not having circumferential constraint, the torsion that tool applies can only
It allows tapered end oversheath 4 to dally with respect to tapered end inner sheath 3, the prior art is avoided to be connected to the connection type on inner sheath using voussoir
Have and is caused the fastener 2 on tapered end inner sheath 3 to lose protection by the torsion torque failure of tonger to allow the feelings of 1 global failure of tapered end
Condition occurs.
As shown in Figure 3,4, one end of the close lock body 5 of tapered end oversheath 4 is installed on lock body 5.In the present embodiment, tapered end
Oversheath 4 has extended radially outward symmetrically arranged two convex edges 41 of upper and lower side close to one end of lock body 5.It is molded on lock body 5
Have and two limiting slots 513 that tapered end oversheath 4 is axially moved relative to tapered end inner sheath 3 are inserted into and limited for convex edge 41.
As shown in Figure 3 and Figure 4, the lock body 5 in the present embodiment close to tapered end oversheath 4 there is the side of 41 one end of convex edge to set
It is outwardly convex go out limiting plate 51, in the present embodiment limiting plate 51 by respective side lock body 5 plate portion punch forming, thus at
The gap being inserted into for convex edge 41 between the 5 respective side original side plate of limiting plate 51 and lock body of type constitutes limiting slot 513, such as Fig. 1
It is shown, relatively it is set to the diameter both ends of convex edge 41.Limiting slot 513 defines axis of the tapered end oversheath 4 with respect to tapered end inner sheath 3
To with circumferential movement range.The specific constructive form of limiting plate 51 can there are many, in the present embodiment, as shown in figure 3, limit
Plate 51 include by lock body 5 end face along tapered end oversheath 4 the axillare 511 for being axially facing tapered end oversheath 4 and extending, and by
Axillare 511 along tapered end oversheath 4 the diameter plate 512 extended radially adjacent to tapered end oversheath 4, axillare 511 and diameter plate 512 with
And the side plate of lock body surrounds and forms limiting slot 513.
As interchangeable embodiment, two limiting plates 51 in the present embodiment can also be along the installation on lock body 5
Hole circumferential draw forms a semicircular position stopping arch plate, the peace when opening direction of position stopping arch plate is inserted into door-plate 6 towards lock body 5
Direction is filled, to realize when lock body is installed into door-plate 6, convex edge 41 can enter the arc-shaped limit that position stopping arch plate is surrounded with lock body 5
In slot.The position stopping arch plate of such structure, which is formed by arc limit slot, has certain guiding role, and convex edge 41 is in arc-shaped limit
Activity space in slot is further restrained so that tapered end oversheath 4 around tapered end inner sheath 3 when dallying, tapered end oversheath 4
It is shortened with 3 eccentricity of tapered end inner sheath, reduces the variation range of tapered end oversheath 4 and 3 radial clearance b of tapered end inner sheath,
Further limit the movable distance of rivet, it is ensured that the integrality of lock head structure.
Convex edge 41 can be translated into from arbitrary side in two limiting slots 513 close to 5 surface of lock body, convenient for door lock in door
Installation on plate 6.Since the opening of the lock body slot 62 on door-plate 6 is usually opened on the side of door-plate 6, when installation lock body 5 by
The side of door-plate 6 is inserted into, and therefore, two limiting plates 51 of setting symmetrical above and below provide the channel that convex edge 41 enters, and realize
During lock body 5 is packed into door-plate 6, the convex edge 41 of tapered end oversheath 4 enters two 51 molding limiting slots 513 of limiting plate simultaneously
In.
The specific constructive form of tapered end inner sheath 3 can there are many, in the present embodiment, as shown in Figure 1, tapered end inner sheath
3 include the first body 31 being sheathed on close to 5 ground of lock body on the periphery wall of lock housing 11, and the periphery wall of the first body 31 is equipped with lock
Tieholen 21.Tapered end inner sheath 3 further includes the second body 32 for covering lock housing 11 and being sheathed on far from 5 one end of lock body in lock housing 11,
The periphery wall of second body 32 is equipped with locking hole 21.The end face that second body 32 covers lock housing 11 is equipped with anti-drilling portion 321.By
It needs to make using the higher material of hardness such as manganese steel in the anti-drilling portion 321 on the second body 32, therefore by tapered end inner sheath 3
It is divided into the first body 31 and the second body 32, the requirement of shelter that can be directed to 1 different parts of tapered end is made using different materials
Tapered end inner sheath 3, to reduce cost.
As a kind of interchangeable specific constructive form of tapered end inner sheath 3, tapered end inner sheath 3 can also be made as having
The sleeve of end face, there are keyholes on end face.One piece of higher anti-drilling sheet of hardness is added between sleeve end face and tapered end 1.
Through-hole is offered on sleeve constitutes locking hole 21 for rivet insertion, by tapered end inner sheath 3 and lock with the blind hole part in lock housing 11
Shell 11 is fixed.3 globalities of such structure tapered end inner sheath are stronger, simple installation.
Embodiment 2
As shown in Figure 4 and Figure 5, it the present embodiment provides a kind of door lock, including lock head structure described in embodiment 1 and can install
The lock body 5 of lock head structure, lock body 5 are equipped with the mounting hole being packed into for lock head structure.Lock head structure can be packed into the tapered end on door-plate 6
In hole 61, and towards door outside by its end face, expose the keyhole being located on lock head structure end face.Lock body 5 can be packed into lock body slot 62
It is interior.
Embodiment 3
As shown in figure 5, the present embodiment provides a kind of safety door, including the door lock described in embodiment 2, and door lock can be installed
Door-plate 6 offers lock body slot 62 and columnar tapered end hole 61 inside door-plate 6, and lock body slot 62 is connected with tapered end hole 61, tapered end
Hole 61 connects in 6 outer one side of door-plate with the external world.
The process that lock head structure in this implementation is mounted on door-plate 6 is as follows：
First tapered end oversheath 4 is mounted in the tapered end hole 61 of door-plate 6, its convex edge 41 is made to be located in lock body slot 62；Step
2, then lock body 5 is mounted in lock body slot 62, adjusts its position so that limiting plate 51 is stuck in outside convex edge 41 so that convex edge
41 are in upper and lower two limiting slots 513 simultaneously so that tapered end oversheath 4 can freely turn in upper and lower two limiting slots 513
It is dynamic；The tapered end 1 for installing tapered end inner sheath 3 will be fixed on across 5 mounting hole of lock body on lock body 5, makes tapered end by step 3 again
3 part of inner sheath enters in tapered end oversheath 4, completes the installation to lock head structure on door-plate 6.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (12)
1. a kind of lock head structure, including
Tapered end (1),
Tapered end inner sheath (3) is sheathed in the lock housing (11) of the tapered end (1), the cylindrical outer peripheral wall of the tapered end inner sheath (3)
Be equipped with locking hole (21), the locking hole (21) be suitable for passed through for fastener (2) and with the fastener (2) mating connection institute
State tapered end inner sheath (3) and the lock housing (11)；
It is characterized in that, further including：
Tapered end oversheath (4) is sheathed on the tapered end inner sheath (3) outside with covering the locking hole (21), is protected outside the tapered end
The radial clearance covered between (4) and the tapered end inner sheath (3) is less than in axial length and the tapered end of the fastener (2)
The difference of sheath (3) wall thickness.
2. a kind of lock head structure according to claim 1, which is characterized in that the tapered end oversheath (4) and the tapered end
Inner sheath (3) fitting setting.
3. a kind of lock head structure according to claim 1 or 2, which is characterized in that the tapered end oversheath (4) can be relative to
The tapered end inner sheath (3) is rotationally sheathed on the tapered end inner sheath (3) outside.
4. a kind of lock head structure according to any one of claim 1-3, which is characterized in that the tapered end oversheath (4)
One end of close lock body (5) be installed on the lock body (5).
5. a kind of lock head structure according to claim 4, which is characterized in that
The tapered end oversheath (4) has extended radially outward convex edge (41) close to one end of the lock body (5)；
It is formed on the lock body (5) and is inserted into for the convex edge (41) and limits the tapered end oversheath (4) relative to described
The limiting slot (513) that tapered end inner sheath (3) is axially moved.
6. a kind of lock head structure according to claim 5, which is characterized in that there are two limiting slot (513) tools, relatively
Ground is set to the diameter both ends of the convex edge (41).
7. a kind of lock head structure according to claim 5 or 6, which is characterized in that the lock body (5) is outside the tapered end
One end of sheath (4) is outward extended with limiting plate (51), and the limiting plate (51) includes the end face by the lock body (5) along described
The axillare (511) for being axially facing the tapered end oversheath (4) and extending of tapered end oversheath (4), and by the axillare (511)
Along the diameter plate (512) of the tapered end oversheath (4) extended radially adjacent to the tapered end oversheath (4), the axillare
(511), the limiting slot (513) is surrounded between the diameter plate (512) and the end face of the lock body (5).
8. a kind of lock head structure according to any one of claim 1-7, which is characterized in that the tapered end inner sheath (3)
Include the first body (31) being sheathed on close to lock body (5) on the periphery wall of the lock housing (11), first body (31)
Periphery wall be equipped with the locking hole (21).
9. a kind of lock head structure according to claim 8, which is characterized in that the tapered end inner sheath (3) further includes covering
The second body (32) being sheathed on to the separate lock body (5) one end of the lock housing (11) in the lock housing (11), described second
The periphery wall of body (32) is equipped with the locking hole (21).
10. a kind of lock head structure according to claim 9, which is characterized in that second body (32) covers the lock
The end face of shell (11) is equipped with anti-drilling portion (321).
11. a kind of door lock, which is characterized in that including claim 1-10 any one of them lock head structure and the installation tapered end
The lock body (5) of structure.
12. a kind of safety door, which is characterized in that including the door lock described in claim 11, and the door-plate of the door lock can be installed
(6)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526507.9A CN108798248B (en) | 2018-05-21 | 2018-05-21 | Lock head structure, door lock and safety door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526507.9A CN108798248B (en) | 2018-05-21 | 2018-05-21 | Lock head structure, door lock and safety door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108798248A true CN108798248A (en) | 2018-11-13 |
| CN108798248B CN108798248B (en) | 2023-07-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810526507.9A Active CN108798248B (en) | 2018-05-21 | 2018-05-21 | Lock head structure, door lock and safety door |
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