CN204941064U - With the Anti-theft lock head of returning device - Google Patents
With the Anti-theft lock head of returning device Download PDFInfo
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- CN204941064U CN204941064U CN201520701894.7U CN201520701894U CN204941064U CN 204941064 U CN204941064 U CN 204941064U CN 201520701894 U CN201520701894 U CN 201520701894U CN 204941064 U CN204941064 U CN 204941064U
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Abstract
With an Anti-theft lock head for returning device, comprise lock core cover, lock core and returning device.Lock core is provided with key, a plurality of interior marble hole, a plurality of left inside installing hole and a plurality of right inside installing hole.Lock core puts and is provided with lock core hole, a plurality of outer marble hole, a plurality of left outside installing hole and a plurality of right outside installing hole, lock core is arranged in the lock core hole that lock core puts, in outer marble hole and interior marble hole, upper spring, upper tack pellet and first round end pellet are housed successively, and by plug, outer marble hole are closed.Returning device comprises the left spring be arranged on successively in left inside installing hole and left outside installing hole, left tack pellet and left semicircle head pellet, and symmetry is arranged on the right spring in right inside installing hole and right outside installing hole, right tack pellet and right semi-circle head pellet, and by plug, left outside installing hole and right outside installing hole are closed.
Description
Technical field
The utility model relates to the tapered end parts of cylinder lock, particularly a kind of Anti-theft lock head with returning device.
Background technology
Notification number is the tapered end parts that the patent of invention of CN2441925Y discloses a kind of cylinder lock.Its structure is as Figure 11, shown in 12, comprise lock core cover 12, be located at the lock core 13 that lock core cover 12 is locked in core bore, spring 16 is provided with in the marble hole of lock core cover 12 and the marble hole of lock core 13, tack pellet 17 and cup head pellet 18, by plug by spring 16, tack pellet 17 and cup head pellet 18 shutoff are in the marble hole that lock core overlaps 12 marble holes and lock core 13, the two sides of key 13-1 are designed to symmetric form, limit spring 15 and spacing hoodle 14 is separately installed with in the spacing hole of key 13-1 both sides, by plug by limit spring 15 and spacing hoodle 14 shutoff in spacing hole, limit spring 15 and spacing hoodle 14 are used for limiting cup head pellet 18 and move down, rely on cup head pellet 18 to limit lock core 13 to rotate.
The tapered end of this structure has the following disadvantages:
One, in the lockout condition, limit spring 15 some can be exposed in key 13-1, be that the steel wire of hook-type stretches in key 13-1 and is easy to limit spring 15 be ticked by end, there is no the support of limit spring 15, spacing hoodle 14 is retracted in spacing hole, cup head pellet 18 does not have the support of spacing hoodle 14 to fall thereupon yet, and when the upper surface of cup head pellet 18 falls to the intersection of the lock core cover marble hole of 12 and the marble hole of lock core 13, lock core 13 is namely rotatable;
Two, in the lockout condition, limit lock core 13 by means of only cup head pellet 18 to overlap 12 with lock core and relatively rotate, the intersection with foreign matter, lower surface jacking to the lock core of cup head pellet 18 being overlapped 12 marble holes and lock core 13 marble hole is only needed when stealing lock, or press down spacing hoodle 14 with foreign matter, the lower surface of cup head pellet 18 is fallen to intersection that lock core overlaps 12 marble holes and lock core 13 marble hole, can rotational lock core 13.
In sum, the tapered end anti-damage performance of this structure and theftproof performance poor.
Summary of the invention
The purpose of this utility model overcomes the deficiencies in the prior art, and a kind of Anti-theft lock head with returning device is provided, adopt secondary cup head pellet to replace hoodle in its returning device, spring all can not be exposed in key under any state, effectively prevent spring from being ticked.It solve existing tapered end anti-damage performance and the poor problem of theftproof performance.
The technical solution of the utility model is: a kind of Anti-theft lock head with returning device, comprises lock core cover, lock core and returning device;
Lock core is provided with key, a plurality of interior marble hole, a plurality of left inside installing hole and a plurality of right inside installing hole; Interior marble hole is through to key from lock core external surface, and left inside installing hole and right inside installing hole are symmetricly set on the both sides of interior marble hole, through to lock core external surface from the intersection of interior marble hole and key respectively;
Lock core puts and is provided with lock core hole, a plurality of outer marble hole, a plurality of left outside installing hole and a plurality of right outside installing hole, and a plurality of outer marble hole that lock core puts, a plurality of left outside installing hole and a plurality of right outside installing hole are mutually corresponding with a plurality of interior marble hole on lock core, a plurality of left inside installing hole and a plurality of right inside installing hole; Outer marble hole, left outside installing hole and right outside installing hole are all through to lock core hole from lock core cover external surface;
Lock core is arranged in the lock core hole that lock core puts, and lock core can rotate in lock core hole; In the lockout condition, interior marble hole is communicated with outer marble hole, and left inside installing hole is communicated with left outside installing hole, and right inside installing hole is communicated with right outside installing hole, in outer marble hole and interior marble hole, upper spring, upper tack pellet and first round end pellet are housed successively, and by plug, outer marble hole are closed;
Returning device comprises the left spring be arranged on successively in left inside installing hole and left outside installing hole, left tack pellet and left semicircle head pellet, and symmetry is arranged on the right spring in right inside installing hole and right outside installing hole, right tack pellet and right semi-circle head pellet, and by plug, left outside installing hole and right outside installing hole are closed;
In the lockout condition, left semicircle head pellet and right semi-circle head pellet respectively under the effect of left and right spring make a concerted effort first round end pellet of pushing tow, mutually stagger to make first round end pellet and the upper contact surface of tack pellet and the wall surface of the hole of lock core hole; In the lockout condition, the contact surface of left tack pellet and left semicircle head pellet and lock core hole wall surface of the hole stagger; Contact surface and the lock core hole wall surface of the hole of right tack pellet and right semi-circle head pellet stagger mutually;
Under unlocking condition, left semicircle head pellet and right semi-circle head pellet are extruded by key and retract in left and right interior installing hole respectively, and first round end pellet is along with the tartar of key is by jacking or whereabouts; Now, left tack pellet is concordant with lock core hole wall surface of the hole with the contact surface of left semicircle head pellet, and right tack pellet is concordant with lock core hole wall surface of the hole with the contact surface of right semi-circle head pellet; First round end pellet is concordant with lock core hole wall surface of the hole with the contact surface of upper tack pellet; Lock core can be driven by key and rotate in lock core hole.
The further technical scheme of the utility model is: first round end pellet is multidiameter shape, one end that first round end pellet contacts with upper tack pellet is miner diameter end, its end face is the cambered surface of evagination, and the other end of first round end pellet is the bigger diameter end of cup head, and the diameter of bigger diameter end is d5;
The pass of the bigger diameter end diameter d 5 of the aperture d1 of interior marble hole and the aperture d2 of outer marble hole and first round end pellet is: d1 > d5 > d2.
The utility model compared with prior art tool has the following advantages:
1, left semicircle head pellet and right semi-circle head pellet is adopted to substituted for hoodle in returning device, left spring in returning device and right spring all can not be exposed in key under any state, namely the mode having stopped to be ticked by foreign matter spring is destroyed lock core or is carried out robber's lock, and anti-damage performance and the theftproof performance of tapered end get a promotion.
2, the contact surface of left semicircle head pellet and left tack pellet and lock core hole wall surface of the hole stagger, and contact surface and the lock core hole wall surface of the hole of right semi-circle head pellet and right tack pellet stagger.That is, in the lockout condition, jointly limit lock core rotate relative to overlapping with lock core by upper tack pellet, left tack pellet and right tack pellet, steal lock difficulty and be multiplied, stability and the theftproof of tapered end significantly promote.
3, first round end pellet is multidiameter shape, and one end of its cup head is bigger diameter end, and the diameter of bigger diameter end is d5; The aperture of interior marble hole is d1, and the aperture of outer marble hole is d2, d1 > d5 > d2.On carry in the process of cup head pellet, its step surface can be stuck in the intersection of interior marble hole and outer marble hole, and wholely cannot enter outer marble hole, the theftproof performance of tapered end promotes further.
4, contact with first round end pellet end face of one end of upper tack pellet is the cambered surface of evagination, and contact with the upper tack pellet end face of one end of first round end pellet is plane.There is certain interval after tack pellet can be made to contact with first round end pellet in this structure, dislocation both when being convenient to unblank is separated.
Below in conjunction with figure and embodiment, the utility model is further described.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is the A-A sectional view of accompanying drawing 1;
Accompanying drawing 3 is the A portion enlarged drawing of accompanying drawing 1;
Accompanying drawing 4 is the structural representation of the utility model when unlocking condition;
Accompanying drawing 5 is the B-B sectional view of accompanying drawing 4;
Accompanying drawing 6 is the structural representation that the utility model overlaps at lock core;
Accompanying drawing 7 is the C-C sectional view of accompanying drawing 6;
Accompanying drawing 8 is the structural representation of lock core in the utility model;
Accompanying drawing 9 is the D-D sectional view of accompanying drawing 8;
Accompanying drawing 10 is the E-E sectional view of accompanying drawing 8;
Accompanying drawing 11 is existing cylinder lock head modular construction schematic diagram;
Accompanying drawing 12 is the F-F sectional view of accompanying drawing 11.
Detailed description of the invention
With an Anti-theft lock head for returning device, comprise lock core cover 1, lock core 2 and returning device.
Lock core 2 is provided with key 2-1, five interior marble hole 2-2, five left inside installing hole 2-3 and five right inside installing hole 2-4.Interior marble hole 2-2 is through to key 2-1 from lock core 2 external surface, and left inside installing hole 2-3 and right inside installing hole 2-4 is symmetricly set on the both sides of interior marble hole 2-2, through to lock core 2 external surface from the intersection of interior marble hole 2-2 and key 2-1 respectively.
Lock core cover 1 is provided with lock core hole 1-1, five outer marble hole 1-2, five left outside installing hole 1-3 and five right outside installing hole 1-4, and five outer marble hole 1-2, five left outside installing hole 1-3 and five right outside installing hole 1-4 on lock core cover 1 are mutually corresponding with the interior marble hole 2-2 of five on lock core 2, five left inside installing hole 2-3 and five right inside installing hole 2-4.It is through to lock core hole 1-1 that outer marble hole 1-2, left outside installing hole 1-3 and right outside installing hole 1-4 all overlap 1 external surface from lock core.
Lock core 2 is arranged in the lock core hole 1-1 on lock core cover 1, and lock core 2 can rotate in lock core hole 1-1.In the lockout condition, interior marble hole 2-2 is communicated with outer marble hole 1-2, left inside installing hole 2-3 is communicated with left outside installing hole 1-3, right inside installing hole 2-4 is communicated with right outside installing hole 1-4, upper spring 3, upper tack pellet 4 and first round end pellet 5 are housed in outer marble hole 1-2 and interior marble hole 2-2 successively, and by plug, outer marble hole 1-2 are closed.
Returning device comprises and is arranged on the left spring 6 in left inside installing hole 2-3 and left outside installing hole 1-3, left tack pellet 7 and left semicircle head pellet 8 successively, and symmetry is arranged on the right spring 9 in right inside installing hole 2-4 and right outside installing hole 1-4, right tack pellet 10 and right semi-circle head pellet 11, and by plug, left outside installing hole 1-3 and right outside installing hole 1-4 is closed.
In the lockout condition, left semicircle head pellet 8 and right semi-circle head pellet 11 respectively under the effect of left and right spring make a concerted effort first round end pellet 5 of pushing tow, mutually stagger with the wall surface of the hole of the contact surface and lock core hole 1-1 that make first round end pellet 5 and upper tack pellet 4.In the lockout condition, the contact surface of left tack pellet 7 and left semicircle head pellet 8 and lock core hole 1-1 wall surface of the hole stagger.Contact surface and the lock core hole 1-1 wall surface of the hole of right tack pellet 10 and right semi-circle head pellet 11 stagger mutually.
Under unlocking condition, left semicircle head pellet 8 and right semi-circle head pellet 11 are extruded by key and retract in left and right interior installing hole respectively, and first round end pellet 5 is along with the tartar of key is by jacking or whereabouts.Now, left tack pellet 7 is concordant with lock core hole 1-1 wall surface of the hole with the contact surface of left semicircle head pellet 8, and right tack pellet 10 is concordant with lock core hole 1-1 wall surface of the hole with the contact surface of right semi-circle head pellet 11.First round end pellet 5 is concordant with lock core hole 1-1 wall surface of the hole with the contact surface of upper tack pellet 4.Lock core 2 can be driven by key and rotate in lock core hole 1-1.
First round end pellet 5 is in multidiameter shape, and one end that first round end pellet 5 contacts with upper tack pellet 4 is miner diameter end, and its end face is the cambered surface of evagination, and the other end of first round end pellet 5 is the bigger diameter end of cup head, and the diameter of bigger diameter end is d5.
The aperture d1 of interior marble hole 2-2 and the pass of the aperture d2 of outer marble hole 1-2 and the bigger diameter end diameter d 5 of first round end pellet 5 are: d1 > d5 > d2.
Sketch process of unblanking of the present utility model: referring to Fig. 4,5, when unblanking, key inserts in key 2-1, and left semicircle head pellet 8 and right semi-circle head pellet 11 are extruded by key and retract in left and right installing hole respectively, and first round end pellet 5 falls on key tooth flower or by key tooth flower jacking.Now, left tack pellet 7 is concordant with lock core hole 1-1 wall surface of the hole with the contact surface of left semicircle head pellet 8, and right tack pellet 10 is concordant with lock core hole 1-1 wall surface of the hole with the contact surface of right semi-circle head pellet 11.First round end pellet 5 is concordant with lock core hole 1-1 wall surface of the hole with the contact surface of upper tack pellet 4.Now lock core 2 can be driven by key and rotate in lock core hole 1-1, and lock core 2 rotates and drives unlocking mechanism motion, thus realizes unblanking.
Claims (2)
1. with an Anti-theft lock head for returning device, it is characterized in that: comprise lock core cover, lock core and returning device;
Lock core is provided with key, a plurality of interior marble hole, a plurality of left inside installing hole and a plurality of right inside installing hole; Interior marble hole is through to key from lock core external surface, and left inside installing hole and right inside installing hole are symmetricly set on the both sides of interior marble hole, through to lock core external surface from the intersection of interior marble hole and key respectively;
Lock core puts and is provided with lock core hole, a plurality of outer marble hole, a plurality of left outside installing hole and a plurality of right outside installing hole, and a plurality of outer marble hole that lock core puts, a plurality of left outside installing hole and a plurality of right outside installing hole are mutually corresponding with a plurality of interior marble hole on lock core, a plurality of left inside installing hole and a plurality of right inside installing hole; Outer marble hole, left outside installing hole and right outside installing hole are all through to lock core hole from lock core cover external surface;
Lock core is arranged in the lock core hole that lock core puts, and lock core can rotate in lock core hole; In the lockout condition, interior marble hole is communicated with outer marble hole, and left inside installing hole is communicated with left outside installing hole, and right inside installing hole is communicated with right outside installing hole, in outer marble hole and interior marble hole, upper spring, upper tack pellet and first round end pellet are housed successively, and by plug, outer marble hole are closed;
Returning device comprises the left spring be arranged on successively in left inside installing hole and left outside installing hole, left tack pellet and left semicircle head pellet, and symmetry is arranged on the right spring in right inside installing hole and right outside installing hole, right tack pellet and right semi-circle head pellet, and by plug, left outside installing hole and right outside installing hole are closed;
In the lockout condition, left semicircle head pellet and right semi-circle head pellet respectively under the effect of left and right spring make a concerted effort first round end pellet of pushing tow, mutually stagger to make first round end pellet and the upper contact surface of tack pellet and the wall surface of the hole of lock core hole; In the lockout condition, the contact surface of left tack pellet and left semicircle head pellet and lock core hole wall surface of the hole stagger; Contact surface and the lock core hole wall surface of the hole of right tack pellet and right semi-circle head pellet stagger mutually;
Under unlocking condition, left semicircle head pellet and right semi-circle head pellet are extruded by key and retract in left and right interior installing hole respectively, and first round end pellet is along with the tartar of key is by jacking or whereabouts; Now, left tack pellet is concordant with lock core hole wall surface of the hole with the contact surface of left semicircle head pellet, and right tack pellet is concordant with lock core hole wall surface of the hole with the contact surface of right semi-circle head pellet; First round end pellet is concordant with lock core hole wall surface of the hole with the contact surface of upper tack pellet; Lock core can be driven by key and rotate in lock core hole.
2. as claimed in claim 1 with the Anti-theft lock head of returning device, it is characterized in that: first round end pellet is multidiameter shape, one end that first round end pellet contacts with upper tack pellet is miner diameter end, its end face is the cambered surface of evagination, the other end of first round end pellet is the bigger diameter end of cup head, and the diameter of bigger diameter end is d5;
The pass of the bigger diameter end diameter d 5 of the aperture d1 of interior marble hole and the aperture d2 of outer marble hole and first round end pellet is: d1 > d5 > d2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520701894.7U CN204941064U (en) | 2015-09-11 | 2015-09-11 | With the Anti-theft lock head of returning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520701894.7U CN204941064U (en) | 2015-09-11 | 2015-09-11 | With the Anti-theft lock head of returning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204941064U true CN204941064U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520701894.7U Active CN204941064U (en) | 2015-09-11 | 2015-09-11 | With the Anti-theft lock head of returning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204941064U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836976A (en) * | 2017-02-13 | 2017-06-13 | 中山国鳌智能科技有限公司 | Dual linkage anti-theft cylinder lock |
| CN106836977A (en) * | 2017-02-13 | 2017-06-13 | 中山国鳌智能科技有限公司 | Antitheft sylinder |
-
2015
- 2015-09-11 CN CN201520701894.7U patent/CN204941064U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836976A (en) * | 2017-02-13 | 2017-06-13 | 中山国鳌智能科技有限公司 | Dual linkage anti-theft cylinder lock |
| CN106836977A (en) * | 2017-02-13 | 2017-06-13 | 中山国鳌智能科技有限公司 | Antitheft sylinder |
| CN106836976B (en) * | 2017-02-13 | 2018-11-02 | 中山国鳌智能科技有限公司 | Dual linkage anti-theft cylinder lock |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |