CN208473462U - 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
- CN208473462U CN208473462U CN201820755624.8U CN201820755624U CN208473462U CN 208473462 U CN208473462 U CN 208473462U CN 201820755624 U CN201820755624 U CN 201820755624U CN 208473462 U CN208473462 U CN 208473462U
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- Prior art keywords
- tapered end
- lock
- inner sheath
- oversheath
- head structure
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- Withdrawn - After Issue
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Abstract
The utility model provides a kind of lock head structure and the door lock with it 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 axial length of the fastener and the difference of the tapered end inner sheath wall thickness.The lock head structure can prevent from fastener thereon from being shaken falling off.
Description
Technical field
The utility model relates to lock technology fields, and in particular to a kind of lock head structure, door lock and safety door.
Background technique
Tapered end outer end on security door is exposed to outside, is easy by different forms of violence damage or technical illegal unlatching.
Therefore tapered end can be played a certain protective role by setting oversheath in tapered end inner sheath, mitigate 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, along diameter on tubular inner sheath part and tapered end lock housing periphery wall
To fixed mounting hole is offered, the two is fixedly connected by being inserted radially into fixation member.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 fixation member can be quaked loose and be fallen off using vibration 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.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome tapered end oversheath fixation member in the prior art
It is easy the defect that is fallen off by vibration, so that providing a kind of can prevent fixation member from being shaken the lock head structure that falls off, door lock and safety
Door.
The utility model 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
State axial length and the tapered end inner sheath wall thickness that the gap radial clearance between tapered end inner sheath is less than the fastener
Difference.
The tapered end oversheath is bonded setting with the tapered end inner sheath.
The tapered end oversheath can be rotationally sheathed on outside the tapered end inner sheath relative to the tapered end inner sheath.
One end close to the lock body of the tapered end oversheath is installed 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 limit plate close to one end of the tapered end oversheath, and the limit 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 the periphery wall of the lock housing close to the lock body, institute
The periphery wall for stating the first body is equipped with the locking hole.
The tapered end inner sheath further includes covering the lock housing to be sheathed in the lock housing far from described lock body one end
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 utility model provides a kind of door lock comprising above-mentioned lock head structure and the lock body for installing the lock head structure.
The utility model provides a kind of safety door comprising the door-plate of mountable above-mentioned door lock.
Technical solutions of the utility model have the advantages that
1. lock head structure provided by the utility model, including being adapted to mount to the lock locked intracorporal tapered end and be sheathed on tapered end
Tapered end inner sheath outside shell, the cylindrical outer peripheral wall of tapered end inner sheath are equipped with locking hole, and locking hole is suitable for passing through simultaneously for fastener
Tapered end inner sheath and lock housing are connect with appended claims；And it is sheathed on covering locking hole the tapered end outside tapered end inner sheath Wai and protects
Set, the radial clearance between tapered end oversheath and tapered end inner sheath are less than shield in the axial length and the tapered end of the fastener
The difference of sleeve 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 axial length of the fastener and the difference of the tapered end inner sheath wall thickness, even if utilizing vibration using in outside
Tool shakes loose fastener from locking hole, so that fastener is slided to locking hole outside direction, but due to the limit of tapered end oversheath
System, fastener are still in the lock housing blind hole part of locking hole, cannot continue to slide out, so that fastener remains
Connection relationship between tapered end inner sheath and lock housing, thus tapered end inner sheath cannot be removed from tapered end, protect tapered end knot
The integrality of structure, prevent from for lock core being directly exposed to makes lockset lose protection outside.
2. lock head structure provided by the utility model, tapered end oversheath can be rotationally arranged relative to the tapered end inner sheath
In outside the 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,
The torsion that tool applies can only allow tapered end oversheath to dally with respect to tapered end inner sheath, avoid the prior art from being connected to using voussoir interior
Connection type on sheath has by the torsion torque failure of tonger, causes the fastener on tapered end inner sheath to lose and protects and then allow
The case where tapered end global failure, occurs.
3. one end of lock head structure provided by the utility model, the close lock body of tapered end oversheath is installed on lock body.Lock
Head oversheath has extended radially outward convex edge close to one end of lock body；It is formed on lock body and lock is inserted into and limited for convex edge
The limiting slot that head oversheath is axially moved relative to tapered end inner sheath.Convex edge on tapered end oversheath can cover tapered end and lock body
Between gap, prevent technology opener from entering progress technology unlatching inside tapered end from this gap, effectively raise lockset
Safety.Limiting slot on lock body defines that tapered end oversheath is axially moved with respect to tapered end inner sheath, can prevent from protecting outside tapered end
Set is extracted out from outside, is guaranteed that the fastener on tapered end inner sheath is under the covering of tapered end oversheath, is realized to fastening
The protection of part.
4. lock head structure provided by the utility model, lock body is outward extended with limit 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 the diameter plate of tapered end oversheath extended radially adjacent to tapered end oversheath, surrounded between the end face of axillare, diameter plate and lock body
Limiting slot.Diameter plate and being equipped with for axillare provide for the convex edge of tapered end oversheath for it relative to the rotation of tapered end inner sheath
Limiting slot also defines axial and circumferential motion range of the tapered end oversheath with respect to shield sheath in tapered end.Diameter plate can be pushed down
The convex edge of tapered end oversheath prevents tapered end housing from being pulled outward, effective protection tapered end.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the sectional view of lock head structure in the utility model embodiment 1；
Fig. 2 is the enlarged drawing of the part of 1 fastener mounting structure of the utility model embodiment；
Fig. 3 is the connection schematic diagram of tapered end oversheath and lock body in the utility model embodiment 1；
Fig. 4 is the assembling schematic diagram of door lock in the utility model embodiment 2.
Fig. 5 is scheme of installation of the door lock on door-plate in the utility model embodiment 2 and embodiment 3
Description of symbols:
1- tapered end；2- fastener；3- tapered end inner sheath；4- tapered end oversheath；5- lock body；6- door-plate
11- lock housing；21- locking hole；The first body of 31-；The second body of 32-；The anti-drilling portion 321-；
The convex edge 41-；51- limit plate；511- axillare；512- diameter plate；513- limiting slot；
61- tapered end hole；62- lock body slot.
Specific embodiment
The technical solution of the utility model 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 vibration tool from locking hole 21, so that fastener 2 is slided to the outside direction of locking hole 21,
But due to the limitation of tapered end oversheath 4, fastener 2, which still has, to be partially in the 11 blind hole part of lock housing on locking hole 21,
It cannot continue to slide out, so that fastener 2 remains the connection relationship between tapered end inner sheath 3 and lock housing 11, thus lock
Head inner sheath 3 cannot be removed from tapered end 1, protect the integrality of lock head structure, prevent from for lock core being directly exposed to outer make
Lockset loses protection.
The ideal embodiment of above-described embodiment is that tapered end oversheath 4 with the tapered end inner sheath 3 is bonded setting, into one
Step reduces the moveable space of fastener 2, 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 also can be set to 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 vibration 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 outside tapered end inner sheath 3 relative to tapered end inner sheath 3,
So that, due to not having circumferential constraint, the torsion that tool applies can only after the exposed parts of tapered end oversheath 4 are vised by powerful tools
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 formed 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 limit plate 51, in the present embodiment limit 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 limit 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 limit 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 limit 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 is able to enter the arc-shaped limit that position stopping arch plate and lock body 5 surround
In slot.The position stopping arch plate of such structure is formed by arc limit slot with 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 dally when, tapered end oversheath 4
It is shortened with 3 eccentricity of tapered end inner sheath, reduces the variation range of tapered end oversheath 4 Yu 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 against 5 surface of lock body and be translated into two limiting slots 513 from any side, 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 limit plates 51 of setting symmetrical above and below provide the channel that convex edge 41 enters, and is realized
During lock body 5 is packed into door-plate 6, the convex edge 41 of tapered end oversheath 4 enters two molding limiting slots 513 of limit plate 51 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 the periphery wall of lock housing 11 close to 5 ground of lock body, 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 in lock housing 11 far from 5 one end of lock body,
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, can be made for the requirement of shelter of 1 different parts of tapered end using different materials
Tapered end inner sheath 3, to reduce costs.
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.
The blind hole part in through-hole and lock housing 11 is offered on sleeve constitutes locking hole 21 for rivet insertion, by tapered end inner sheath 3 and lock
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, the present embodiment provides a kind of door lock, including lock head structure described in embodiment 1 and mountable
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 door lock as described in example 2 and mountable door lock
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 the outer one side of door-plate 6 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, is located at its convex edge 41 in lock body slot 62；Step
2, then lock body 5 is mounted in lock body slot 62, adjusts its position, so that limit plate 51 is stuck in outside convex edge 41, so that convex edge
41 are in upper and lower two limiting slots 513 simultaneously, and tapered end oversheath 4 is freely turned in upper and lower two limiting slots 513
It is dynamic；Step 3 again is fixed on the tapered end 1 for installing tapered end inner sheath 3 is passed through 5 mounting hole of lock body on lock body 5, makes tapered end
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 among the protection scope created still in the utility model.
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 by further comprising:
Tapered end oversheath (4) is sheathed on the tapered end inner sheath (3) outside with covering the locking hole (21), protects outside the tapered end
The radial clearance covered between (4) and the tapered end inner sheath (3) is less than in the 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 2, which is characterized in that the tapered end oversheath (4) can be relative to institute
It states tapered end inner sheath (3) and 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 the 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 limit plate (51), and the limit 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) are surrounded between the diameter plate (512) and the end face of the lock body (5).
8. a kind of lock head structure according to claim 4, which is characterized in that the tapered end inner sheath (3) includes close to lock
The first body (31) being sheathed on to body (5) on the periphery wall of the lock housing (11), on the periphery wall of first body (31)
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) on 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 the described in any item lock head structures of claim 1-10 and the installation tapered end
The lock body (5) of structure.
12. a kind of safety door, which is characterized in that the door-plate including door lock and the mountable door lock described in claim 11
(6)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820755624.8U CN208473462U (en) | 2018-05-21 | 2018-05-21 | A kind of lock head structure, door lock and safety door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820755624.8U CN208473462U (en) | 2018-05-21 | 2018-05-21 | A kind of lock head structure, door lock and safety door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208473462U true CN208473462U (en) | 2019-02-05 |
Family
ID=65218230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820755624.8U Withdrawn - After Issue CN208473462U (en) | 2018-05-21 | 2018-05-21 | A kind of lock head structure, door lock and safety door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208473462U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798248A (en) * | 2018-05-21 | 2018-11-13 | 王力安防科技股份有限公司 | A kind of lock head structure, door lock and safety door |
-
2018
- 2018-05-21 CN CN201820755624.8U patent/CN208473462U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798248A (en) * | 2018-05-21 | 2018-11-13 | 王力安防科技股份有限公司 | A kind of lock head structure, door lock and safety door |
| CN108798248B (en) * | 2018-05-21 | 2023-07-11 | 王力安防科技股份有限公司 | Lock head structure, door lock and safety door |
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Granted publication date: 20190205 Effective date of abandoning: 20230711 |