CN101258295A - Anti-twisted anti-prizing type lock - Google Patents

Abstract

A wring and pick resistant cylindrical lock, comprises a plug (21), a sleeve (31) surrounding the plug and a housing (4) surrounding the sleeve. A first latch member (22) is mounted on the inner end of the plug, a second latch member (32) is mounted on the inner end of the sleeve, and the first and second latch members provide a dual protecting. When the idling protection of the lock is active, a dual locking effect can be carried into effect on the lock, so that the wring and pick resistant function can be accomplished.

Description

Anti-twisted anti-prizing type lock

Anti-twisted anti-prizing type lock technical field

The present invention relates to lockset, more particularly to a kind of anti-twisted anti-prizing type lock with idle running defencive function.Background technology

Due to illegal Jian lock skills ^：, lifting, the lock core for turning all kinds of locksets is such as twisted with reamer class instrument, so that it may lockset is illegally opened in the case of without lockset original key.Any locksets that keying is realized by rotating torque such as various top locks, cam lock and pendulum lock, in the case where being twisted the destruction of unlawful violence of torque by reamer class instrument, nearly all inevitably it is destroyed and opens, wherein have for cam lock, situation about illegally being opened is even more serious and universal.

In order to solve this technological deficiency, the lockset of a variety of idle running protection classes is occurred in that on the market, the problem of existing lockset is illegally opened and destroyed by reamer class instrument twist is overcome with this.

Such as China 99235433. 1;200420071147. 1 and 200510033242. No. 1 patent; all disclose the lockset for turning tongue or pendulum lock type with idle running defencive function; lockset in these three patent documents all adds central rotational set between outside lock housing and lock core, and is provided for realizing the locking bolt of lock function on central rotational set；Structure is determined by the pin for transforming pellet inside lock core, when there is key Jian to open, pellet and pin between lock core and central rotational set determine structure and the two is combined as a whole, in key rotation lock core, the two can rotate relative to lock housing together, you can the locking bolt for driving central rotational to put, which is realized, unlocks.And when by unlawful violence twist, lock core is then with respect to central rotational set idle running, illegally twisting power will be unable to drive central rotational to cover and locking bolt realization keying function thereon, be avoided that illegal twist is prized violence damage tapered end and unlocked.

In the prior art; also have and protect lock body structure for pushing up the idle running of lock; when normally-open with key; lock core, which can be rotated, to be made dead bolt overhanging or inside contracts to realize keying function; but when by powerful twist violence; lock core is that its relative outside lock housing dallies, and avoids illegally being opened with this.

Take a broad view of the above-mentioned all kinds of lock body structures that there is idle running to protect, although the technical problem opened by unlawful violence twist Jian can be solved to a certain extent, but found in actual use：Existing idle running protection Structure, which is only through dallying, carrys out passive resistance external force twist, and lock core does not play the lock function of many weights when relative central rotational covers and ceaselessly dallied, and anti-strand pick-proof effect is not very good.Particularly after illegal unlock person makes lock core or central rotational set deform using side radial load; what idle running just became is difficult to; so that idle running defencive function weakens; illegal unlock person can just be driven central rotational set to realize by lock core and be unlocked; when lock core internal clearance is excessive, tapered end is easier to be twisted to pry open, in this case; idle running protection will lose real anti-strand tamper-resistant function, and security is unsatisfactory.

In addition; existing idle running protection class lock structure; be substantially by transform pellet pin inside lock core determine structure make lock core and central rotational cover between with lost motion functionality; this is accomplished by increasing pellet in limited lock core marble space or pin determines structure, on the one hand considerably increases difficulty of processing, on the other hand also necessarily requires higher machining accuracy; otherwise the antitheft reliability of lockset will be influenceed; therefore, processing will also become extremely complex, and lockset cost is of a relatively high.Obvious, because the pellet pin inside lockset determines that structure is relative complex, parts are more, and the assembling matching relationship between each parts is also relative complex more, and lockset is easily damaged.The content of the invention

It is a primary object of the present invention to provide a kind of anti-twisted anti-prizing type lock; when lockset starts idle running protection act, no matter whether idle running defencive function is destroyed by radial load, dual supplement locking can be realized to lockset; the problem of anti-strand pick-proof can preferably be solved, security is splendid.

Another object of the present invention also resides in a kind of anti-twisted anti-prizing type lock of offer, the pellet and latch-up structure of existing lockset need not be changed, and only change tapered end external structure and can be achieved with extremely strong anti-strand tamper-resistant function, lockset will not be twisted by unlawful violence to be turned or prizes deformation and open, and security is splendid；And the easily fabricated installation of tapered end, it is hardly damaged.

The technical scheme is that：A kind of anti-twisted anti-prizing type lock, includes lock core, the lock core being placed on outside lock core set and the lock housing being placed on outside lock core set；Lock core the inner is provided with the first action piece, and lock core set is inner to be provided with the second action piece, and double protection functions are reached by first, second locking piece.

In the present invention, can occur the mode of idle running protection has two classes, and a class is lock core band movable lock core set It is another relative to the idle running of lock housing inner peripheral surface, be pass through in existing structure frequently with make lock core cover relative to lock core to dally.

In the present invention, the attachment structure of idle running protection is realized, structure can be determined using existing pellet pin.As a further improvement on the present invention, idle running protection connection can be used as by false be fixedly connected, makes the easily fabricated installation of tapered end, be hardly damaged.

Under the inventive concept that lock core dallies with movable lock core set relative to lock housing：

In one embodiment of the invention; the lock core is determined structure by pellet pin between being covered with lock core and is connected; and be idle running protection connection between lock core set and lock housing; when being operated with key; lock core covers relative to lock core to be rotated and drives the first action piece to lock first; and when non-key Jian is opened, lock core is integrally formed with lock core set group to dally relative to lock housing and drive the action of the second action piece, supplement protection locking is realized.

Preferably; lock core set and the idle running protection between lock housing be connected as it is false be fixedly connected, pellet pin is determined between the minimum torsional rotation force of structure between the maximum twist power and lock core and lock core set during normally-open between the key lock body of the false bonding strength being fixedly connected.

In the present invention, lock core can be combined as arbitrary arrangement between the two with the concrete structure that lock core covers in top locking-type structure, tongue revolving type structure.

In one embodiment of the invention, the lock core respectively constitutes cam lock structure with lock core set, and first, second locking piece can be rotating around lock core axial rotation.

In one embodiment of the invention, first, second action piece can directly constitute the locking piece of the locked thing of locking respectively, can be locked as common door, now, and first, second locking piece locks thing simultaneously.

It is preferred that first, second action piece is respectively set to along the axially extending arc-shaped pins of lock core, the arc-shaped pins of first, second action piece are located at away from the circumference that lock core axis radius is identical or differs, and latched position is complementary.

Preferably, also include a transverse tube and a u-shaped bar and constitute U-shape lock, the transverse tube is nested with outside lock housing, and radial direction of two free ends of U-shaped bar along transverse tube is inserted in the transverse tube, the U-shaped bar is provided with the first locked groove and the second locked groove being engaged with first, second action piece. In one embodiment of the invention, first, second action piece is indirectly to drive locking piece by drive mechanism, wherein：First action piece engages one first locking piece by the first drive mechanism, and the second action piece engages one second locking piece by the second drive mechanism, and when dallying protection, one is in the lock state in first, second locking piece.

Preferably, first, second locking piece is set to first, second locking bolt acted in the opposite direction along vertical lock core axis, first drive mechanism includes being located at the cylinder gear of the first action piece end and is located at the rack engaged on the first locking bolt with the cylinder gear, and the second drive mechanism includes being located at the wildhaber-novikov gear of the second action piece lateral surface and is located at the rack being meshed on the second locking bolt with the wildhaber-novikov gear.

It is preferred that the central angle that the wildhaber-novikov gear is occupied is identical with the central angle that the rack on the first locking bolt is occupied, and positioned at the both sides of lock core axis just to position, so that the first locking bolt is opposite with the direction of action of the second locking bolt.

In one embodiment of the invention, first, second locking piece can not simultaneously lock locked thing, but the action relationships that checked and balance both in idle running, to increase safety coefficient.Specifically：First action piece engages one first locking piece by the first drive mechanism, and when dallying protection, the second action piece directly locks the first locking piece, to prevent the first locking piece from being unlocked, and this embodiment is suitable for the tap or steering wheel of antitheft door or vehicle（Handle lock）Or rotation shaft of wheel（Brake lock）Locking.

Preferably, first locking piece is set to the first locking bolt acted along vertical lock core axis direction, first drive mechanism includes being located at the cylinder gear of the first action piece end and is located at the rack engaged on the first locking bolt with the cylinder gear, first locking bolt stops groove provided with one, and the second action piece is the arc-shaped pins of a rotary type, when the lock core set dallies relative to lock housing, arc-shaped pins are rotated and inserted in stop groove, are prevented the Jian of the first locking bolt from starting and are made.

Preferably, the power supply Jian that first locking bolt is directly disposed as extending along vertical lock core axis direction closes frizzen, the power switch system being matched therewith is provided with the side of the power switch frizzen, and the second action piece is arc-shaped pins, when the lock core set dallies relative to lock housing, arc-shaped pins are rotated and inserted in stop groove, prevent power switch frizzen from being in contact to form electrical connection with power switch system, the embodiment is applied to the locking of electric switch. In one embodiment of the invention; power switch frizzen is set on first action piece; and power switch system is set on the second action piece; when occurring idle running protection; power switch frizzen will cover synchronization action with power switch system in company with lock core and lock core, and the two can not contact realization electrical connection forever.

Preferably, the power switch frizzen is one, is located at the inner lateral surface of the first action piece, and radially protrude into lock core set, and the second action piece is one section of arc-shaped pins, and the power switch system being engaged with power switch frizzen is provided with one end of the arc-shaped pins.

Preferably, the power switch frizzen is two, be located at the inner outer peripheral face of the first action piece radially just to both sides, and radially protrude into lock core set, and the second action piece is arc-shaped pins, the both positive and negative polarity of the power switch system is placed in the phase heterodoxy of two sections of arc-shaped pins.

In one embodiment of the invention, the lock core constitutes top lock construction, and the first action piece is set to the dead bolt along the axial expanding-contracting action of lock core；And lock core set is configured to cam lock structure, the second action piece is around lock core axial rotation.

Preferably, also include a transverse tube and a U-shaped bar and constitute U-shape lock, the transverse tube is nested with outside lock housing, and radial direction of two free ends of u-shaped bar along transverse tube is inserted in the transverse tube, second action piece is set to along the axially extending arc-shaped pins of lock core, and the u-shaped bar is provided with the through hole and the first locked groove being engaged with first, second action piece.

In one embodiment of the invention, the lock core is configured to cam lock structure, and the first action piece is around lock core axial rotation, and lock core set is configured to push up lock construction, and the second action piece is set to axially stretch the dead bolt of Shrink actions along lock core.

In one embodiment of the invention; the lock core is respectively structured as pushing up lock construction with lock core set; first, second action piece is respectively set to lock dead bolt along the top of the axial expanding-contracting action of lock core, and when dallying protection, the simultaneously dual locking of first, second locking piece is locked thing.

On the other hand, it can be covered in lock core relative to lock core under the inventive concept of idle running：

In one embodiment of the invention; it is idle running protection connection between lock core and the lock core set; and lock core set is connected with determining structure by pellet pin between lock housing; when being operated with key; lock core covers common rotation with lock core and drives the second action piece to lock first; and when non-key is opened, lock core is relative to lock Core retainer plate dallies and drives the first locking piece to realize supplement protection locking.

Preferably; idle running protection between the lock core and lock core set be connected as it is false be fixedly connected, pellet pin is determined between the minimum torsional rotation force of structure between the maximum twist power and lock core set and lock housing during normally-open between the key lock body of the false bonding strength being fixedly connected.

In one embodiment of the invention, the lock core respectively constitutes cam lock structure with lock core set, and first, second locking piece is rotating around lock core axial rotation.

In one embodiment of the invention, first, second action piece directly constitutes the locking piece of the locked thing of locking respectively.

It is preferred that first, second action piece is respectively set to along the axially extending arc-shaped pins of lock core, the arc-shaped pins of first, second action piece are located at away from the circumference that lock core axis radius is identical or differs, and latched position is complementary.

Preferably, the structure formed lock also including a transverse tube and a U-shaped bar, the transverse tube is nested with outside lock housing, and radial direction of two free ends of u-shaped bar along transverse tube is inserted in the transverse tube, the U-shaped bar is provided with the first locked groove and the second locked groove being engaged with first, second action piece.

In one embodiment of the invention; first action piece engages one first locking piece by the first drive mechanism; second action piece engages one second locking piece by the second drive mechanism, and when dallying protection, one is in the lock state in first, second locking piece.

Preferably, first, second locking piece is set to first, second locking bolt acted in the opposite direction along vertical lock core axis, first drive mechanism includes being located at the cylinder gear of the first action piece end and is located at the rack engaged on the first locking bolt with the cylinder gear, and the second drive mechanism includes being located at the wildhaber-novikov gear of the second action piece lateral surface and is located at the rack being meshed on the second locking bolt with the wildhaber-novikov gear.

It is preferred that the central angle that the wildhaber-novikov gear is occupied is identical with the central angle that the rack on the first locking bolt is occupied, and positioned at the both sides of lock core axis just to position, so that the first locking bolt is opposite with the direction of action of the second locking bolt.

In one embodiment of the invention, second action piece engages one second locking piece by the second drive mechanism, and when dallying protection, the first action piece directly locks the second locking piece, to prevent the second lock Determine part to be opened by Jian.

Preferably, ' second locking piece be set to along vertical lock core axis direction act the second locking bolt, second drive mechanism includes being located at the arc gear wheel of the second action piece end and is located at the rack engaged on the second locking bolt with the arc gear wheel, second locking bolt stops groove provided with one, and the first action piece is arc-shaped pins, when the lock core covers relative to lock core and dallied, arc-shaped pins are rotated and inserted in stop groove, are prevented the Jian of the second locking bolt from starting and are made.

In one embodiment of the invention, the lock core constitutes top lock construction, and the first action piece is set to the dead bolt along the axial expanding-contracting action of lock core；And lock core set is configured to cam lock structure, the second action piece is around lock core axial rotation.

Preferably, also include a transverse tube and a U-shaped bar and constitute U-shape lock, the transverse tube is nested with outside lock housing, and radial direction of two free ends of u-shaped bar along transverse tube is inserted in the transverse tube, second action piece is set to along the axially extending arc-shaped pins of lock core, and the u-shaped bar is provided with the through hole and the first locked groove being engaged with first, second action piece.

In one embodiment of the invention, the lock core is configured to cam lock structure, and the first action piece is around lock core axial rotation, and lock core set is configured to push up lock construction, and the second action piece is set to axially stretch the dead bolt of Shrink actions along lock core.

In one embodiment of the invention; the lock core is respectively structured as pushing up lock construction with lock core set; first, second action piece is respectively set to lock dead bolt along the top of the axial expanding-contracting action of lock core, and when dallying protection, the simultaneously dual locking of first, second locking piece is locked thing.

The present invention is significant relative to the effect of prior art：The present invention by setting first respectively on lock core and lock core set, second action piece, first, second action piece can have lock function respectively, or the two teamwork limits illegal Jian locks, in the locked state, first, second action piece at least one has locking action, and when meeting with unlawful violence twist, first, just at least one has locking action or while having locking action to second action piece, the two locks locked thing simultaneously, one of which limitation another one is opened by illegal Jian, the present invention is equivalent to tapered end together with being constructed respectively when being opened by illegal Jian in lock-out state, safety coefficient is greatly improved, therefore, either lock core covers empty relative to lock core Turn; or lock core set dallies with lock core relative to lock housing; it is not futile idle running; be not configured to dally and dally; every kind of idle running can start the protection locking action of more weights and prevent illegally to be twisted Jian; therefore; the idle running protection of the present invention is extremely long-pending; the protection of many weights is served for lock body; even idle running defencive function is destroyed by radial load; the present invention can realize that secondary supplement is locked to lockset, can fundamentally prevent lock body by illegal twist, security is splendid.

Further; the lock body structure of the present invention; it is fixedly connected between the structure of idle running protection is needed using false; it therefore, there is no need to change the pellet and latch-up structure of existing lockset, and first, second action piece only be set on lock core and lock core set; can be achieved with more existing idle running protection lockset has stronger anti-strand tamper-resistant function; and tapered end is easily fabricated installs, cost is low, is hardly damaged.Brief description of the drawings

Fig. 1 cuts open schematic diagram for the side of the embodiment of the present invention 1.

Fig. 2 is the B-B direction schematic diagram in Fig. 1.

Fig. 3 cuts open schematic diagram for the side of the embodiment of the present invention 2. .

Fig. 4 is the B-B direction schematic diagram in Fig. 3.

Fig. 5 is the U-shaped bar schematic diagram in the embodiment of the present invention 2.

Fig. 6 is A-A in Fig. 5 to schematic diagram.

Fig. 7 is that schematic diagram is cutd open in side of the embodiment of the present invention 2 in released state.

Fig. 8 is the B-B direction schematic diagram in Fig. 7.

Fig. 9 is the U-shaped bar schematic diagram in the embodiment of the present invention 3.

Figure 10 is A- A in Fig. 9 to schematic diagram.

Figure 11 cuts open schematic diagram for the side of the embodiment of the present invention 3.

Figure 12 is the B-B direction schematic diagram in Figure 11.

Figure 13 cuts open schematic diagram for the side of the embodiment of the present invention 4.

Figure 14 is the B-B direction schematic diagram in Figure 13.

Figure 15 cuts open schematic diagram for the side of the embodiment of the present invention 5. Figure 16 is the B-B direction schematic diagram in Figure 15.

Figure 17 cuts open schematic diagram for the side of the embodiment of the present invention 6. ·

Figure 18 is the B-B direction schematic diagram in Figure 17.

Figure 19 cuts open schematic diagram for the side of the embodiment of the present invention 7.

Figure 20 is the B-B direction schematic diagram in Figure 19.

Figure 21 cuts open schematic diagram for the another structure side of the embodiment of the present invention 7.

Figure 22 is the B-B direction schematic diagram in Figure 21.Embodiment

Embodiment 1

Ginseng is see shown in Fig. 1,2, and the present invention provides a kind of anti-twisted anti-prizing type lock, includes lock core 21, the lock core being placed on outside lock core 21 set 31 and the lock housing 4 being placed on outside lock core set 31;Lock core 21 is inner to be provided with the first action piece 22, and lock core set 31 is inner to be provided with the second action piece 32, and dual lock function is realized by the action piece 32 of the first action piece 22 and second.In this embodiment, lock core 21 is cam lock structure with lock core set 32, and first, second action piece 22,32 is directly disposed as locking the cam lock dead bolt of locked thing, it is preferred that the latched position of first, second action piece 22,32 is complimentary positions.Wherein, determine structure by pellet pin between the lock core 21 and lock core set 31 to be connected, and also connected surely for pellet pin between lock core set 31 and lock housing 4; to realize that the pellet pin of idle running protection determines structure; for prior art, no longer it is described in detail, also omits and illustrate in accompanying drawing.When being opened with the key insertion Jian of keyhole 23, keying can be realized by rotating lock core 21, and when non-key is opened, lock core 21 is combined into one with lock core set 31 and dallied relative to the inner peripheral surface of lock housing 4.So, in the locked state, stretched into and locked in the locked groove on doorframe by the first action piece 22 of the inner face of lock core 21, and when illegally being opened, the band movable lock core 21 of lock core set 31 is common relative to the idle running of the inner peripheral surface of lock housing 4, second action piece 32, which just enters, carries out another heavy locking in another locked groove on doorframe, that is turned even in the first action piece 22 by strand after Jian opens, due to the complimentary positions relation of the second action piece 32, second action piece 32 just enters lock-out state again, the present embodiment is particularly suitable for use in door lock, anyway twist the present invention tapered end, first, Always there is one to be in the locked position in second action piece 22,32; add insurance system; it can not open; even idle running defencive function is destroyed by radial load; the present invention can realize dual locking; equivalent to tapered end together with being constructed respectively when by illegal opening in lock-out state, safety coefficient is greatly improved, and security is splendid.Embodiment 2

Referring to shown in Fig. 38, the principle, effect of the embodiment and embodiment 1 are essentially identical, no longer repeat, being a difference in that the embodiment is available should have in U-shape lock, prior difference is that lock core set 31 is false be fixedly connected with the inner peripheral surface of lock housing 4 in the embodiment, therefore, the pellet and pin that the present invention need not change existing lockset determine structure, and first, second action piece only is set on lock core and lock core set, it can be achieved with anti-strand tamper-resistant function, and tapered end is easily fabricated installs, cost is low, is hardly damaged.

False it is fixedly connected for therein, refer between maximum twist power and lock core during normally-open between the key lock body of its bonding strength and lock core set that pellet pin is determined between the minimum torsional rotation force of structure, this technology is the application of the applicant's earlier innovation, is recorded in detail in No. 2005/068755 patent document of W0.In the present invention, false be fixedly connected can realize false be fixedly connected using the elastic telescopic post lock or easily broken pin 33 being radially located between lock core set 31 and the inner peripheral surface of lock housing 4, it can also be connected using lock core set 31 with the tensioner of the inner peripheral surface of lock housing 4, specifically can by rubber sleave, plastic sheath, sheet metal or elastomer etc. realize that tensioner is connected, or use binder adhesive-bonded form etc., it is prior art, is no longer described in detail.

Embodiment 2 is on the architecture basics of embodiment 1, further comprise a transverse tube and a U-shaped bar 11 and constitute U-shape lock, the transverse tube is nested with outside lock housing 4, and radial direction of two free ends of U-shaped bar 11 along transverse tube is inserted in the transverse tube, in this embodiment, first, second action piece 22, 32 be the arc-shaped pins of cam lock formula, the U-shaped bar is provided with and described first, second action piece 22, 32 the first locked grooves 12 and the second locked groove 13 being engaged, pass through first, second action piece 22, 32 insertions first, second locked groove 12, the locking to U-shaped bar is realized in 13.As shown in Figure 3, when key inserts keyhole 23, due to the twisting resistance of key normal Jian locks be less than that lock core covers between 31 and lock housing 4 it is false be fixedly connected with intensity, therefore, lock core set 31 will not rotate, rotate lock core 21 can drive its inner the The action that one action piece 22 is locked or unlocked, in the state shown in Fig. 4, the first locked groove 12 of U-shaped bar 11 is locked by the first action piece 22, and when rotation lock core 21 reaches the position shown in Fig. 8, U types bar 11 is released unblock.And when the tapered end of the present invention is inserted 23 unlawful violence twist of keyhole by non-key-shaped tool, lock core 21 makes the two be combined as a whole with lock core set 31 due to the connection of internal pellet, simultaneously because strand turns force intensity and covered more than lock core false to be fixedly connected with intensity between 31 and lock housing 4, and the bonding strength of structure is determined less than the pellet pin between lock core 21 and lock core set 31, therefore, lock core 21 will with movable lock core set 31-serve under stronger rotating torque relative to the inner peripheral surface synchronous axial system of shell 4 realization idle running, when due to idle running rotate cause the first action piece 22 being fixed on lock core 21 to leave the first locked groove 12 of U type bars when, the secondary locking that supplement is realized in the first locked groove 12 of type bar 11 will be entered by being fixed on the second action piece 32 of 31 ends of lock core set, when be rotated further make the second action piece 32 from the first locked grooves 12 of Jian when, first action piece 22 will enter the second locked groove 13, and when be rotated further the second action piece 32 is left the second locked groove 13 when, first action piece 22 will be again introduced into the first locked groove 12, therefore no matter unlawful violence how twist, the first of the present invention, always there is one in second action piece in the locked thing of locking, it ensure that type bar 11 is in locked state all the time, add security, even if idle running protection is destroyed by radial load, nor affect on first in the present invention, the lock function of second action piece.

In this embodiment, first, second 12,13 and first, second action piece 22,32 of opening on U-shaped bar 11 is corresponding, the radius of first, second action piece 22,32 can be with identical or different, i.e. the rotary motion trace of first, second action piece can be located in same concentric circumferences, or on the circumference differed, most preferably, radian occupied by first, second action piece is complementary relationship, during tapered end can be made by strand, all there is lock function in any one angle.Embodiment 3

Referring to shown in Fig. 9 12, the embodiment is substantially the same manner as Example 2, is equally to be applied to U-shape lock, but be a difference in that：First, second action piece 22,32 in the embodiment is not all the action element of cam lock formula, but there is one to be applied to push type top and lock lockset, accordingly, the locked groove on U-shaped bar 11 is also varied from, and false be fixedly connected employs binder or elastic tensioning thing 34 is bonded.As schemed Shown in 11, in this embodiment, inner the first action piece 22 set of lock core 21 is pushes up the dead bolt of locking-type, and the second action piece 32 is rotary bolt, and the second action piece 32 includes two sections of symmetrical arc-shaped pins.Accordingly, the U-shaped upper end of bar 11 is still provided with arcuation first locked groove 12 corresponding with the second action piece 32, and bottom is provided with and the corresponding through hole 14 of the first action piece 22.In the presence of key, the turnover of through hole 14 on the U-shaped bar of first action piece 22 correspondence is realized locking or opened, when non-key violence acts on lock core 21, a pellet band movable lock core set 31-relative lock housing 4 in lock core 21 dallies, the second standby action piece 32 is set to be rotated into the first locked groove 12 on U-shaped bar, further supplement locking, adds the safety coefficient of lock.

Principle is replaced according to symmetrical, in this embodiment, first, second action piece for pushing up locking-type and rotational lock type can also be exchanged.That is the first action piece is tongue revolving type dead bolt, for example, including two sections of symmetrical arc-shaped pins, and the second action piece is top locking-type dead bolt, no longer provides accompanying drawing.In the presence of key, the arc locked groove that first action piece 22 of tongue revolving type can be corresponded on U-shaped bar, which is realized, to be opened and closed, and when non-key violence acts on lock core 21, pellet band movable lock core set 31 in lock core 21 dallies relative to lock housing 4, so that the standby action piece of top locking-type second can be made, which to stretch out the through hole being inserted on U-shaped bar, carries out supplement locking.

Certainly; lock core can also be made to be respectively structured as pushing up lock construction with lock core set; first, second action piece is respectively set to lock dead bolt along the top of the axial expanding-contracting action of lock core; when dallying protection; the simultaneously dual locking of first, second locking piece is locked thing, no longer provides accompanying drawing with describing in detail.Embodiment 4

Referring to shown in Figure 13,14, the principle and effect of the embodiment and embodiment 1 are essentially identical, are equally applicable to door lock, no longer repeat.Difference is：First, second action piece is no longer the dead bolt for being directly used in the locked thing of locking, but drives first, second locking piece with locking action respectively by first, second drive mechanism, for example, can be two locking bolts.In this embodiment, first action piece 22 of the inner face of lock core 21 is Figure 13, the cylinder gear shown in 14, cylinder gear engagement driving one has the first locking bolt 5 of rack, the rack engaged on the cylinder gear and the first locking bolt 5 constitutes the first drive mechanism, first locking bolt 5 is used to lock locked thing, and its direction of action is perpendicular to lock core 21 Axis；And the second action piece 32 is then provided with partial gear on the structure of former arc-shaped pins and constitutes wildhaber-novikov gear, wildhaber-novikov gear engagement driving one has the second locking bolt 6 of rack, the rack engaged on the wildhaber-novikov gear and the second locking bolt 6 constitutes the second drive mechanism, second locking bolt 6 is used to lock locked thing, axis of its direction of action perpendicular to lock core 21；In this embodiment, the central angle that the wildhaber-novikov gear of second action piece 32 is occupied is identical with the central angle that the upper rack of the first locking bolt 5 is occupied, and the gear on wildhaber-novikov gear and the first locking bolt 5 is located at the both sides of the axis of lock core 21 just to position, allow the direction of action of the first locking bolt 5 and the second locking bolt 6 on the contrary, to ensure that the two always has one to realize lock function.It is preferred that the wildhaber-novikov gear of second action piece 32 can take up bigger central angle, such as in the case where not hindering the action of the first locking bolt 5, the central angle of the second action piece 32 can be 360 degree.

During using key, only the first action piece 22 is made the lock hole 71 that the first locking bolt 5 enters or exited on doorframe 7 by driving;When non-key twist lock core 21, first action piece 22 and the synchronous axial system of the second action piece 32, the first locking bolt 5 is set to exit lock hole 71, but the second locking bolt 6 is entered in standby lock hole 72, in the embodiment, in the case where illegally twisting power effect, when clockwise idle running protection occurs for the present invention, first locking bolt 5 is rejected, but the second locking bolt 6 is locked again, and when turning to twist counterclockwise, second locking bolt 6 exits locking, but the first locking bolt 5 enters in lock hole again, anyway turn to twist, always there is a locking bolt to be in the lock state, illegal open is set not carry out.Embodiment 5

Referring to Figure 15,16, the embodiment is substantially the same manner as Example 4 in structure, first action piece 22 is travelling gear, the travelling gear is used to engage first locking bolt 5 of the driving one with rack, first locking bolt 5 is used to lock locked thing, axis of its direction of action perpendicular to lock core 21；But the second action piece 32 is then arc-shaped pins, and it is not used to lock locked thing, but is acted for supplementing the first locking bolt 5 that locking prevents the first action piece 22 from being driven, so as to further enhances safety coefficient.Concrete structure is, provided with stop groove 51 on the first locking bolt 5, when non-key kind tool insertion keyhole 23 rotates lock core 21, lock core 21 and lock core set 31 dally relative to lock housing 4, second action piece 32 is then inserted in stop groove 51, the first locking bolt 5 is prevented to be acted along perpendicular to the direction of lock core axis, the first locking bolt 5 The lock hole 71 that will can not be continued to drive by the drive gear of the first action piece 22 and exit on doorframe 7.Therefore, illegal lockset of opening can be prevented from.

The tapered end of the embodiment is particularly suitable for use in the locking of rotary shaft type objects, for example, above-mentioned lock hole 71 can be realized into vehicle handlebar or steering wheel as the leading lock hole of vehicle（Handle lock）Or rotation shaft of wheel (brake lock）Locking.

Illustratively, foregoing embodiments are when by illegal twist, it is the relative lock housing idle running of lock core set, obvious, lock core can also be made to cover relative to lock core to dally, i.e. when normal locking is with illegal twist, the priority sequence of movement of first, second action piece can change, and effect is identical.For example; it is idle running protection connection between lock core and the lock core set; preferably; or false be fixedly connected, naturally it is also possible to structure is determined using existing pellet pin and is connected, when being operated with key; lock core covers common rotation with lock core and drives the second action piece to lock first; and when non-key is opened, lock core covers idle running relative to lock core and drives the first locking piece to realize supplement protection locking, accompanying drawing and more detailed description are no longer provided.Embodiment 6

Referring to Figure 17,18, the structure, principle and effect of the embodiment and embodiment 5 are essentially identical, no longer repeat.Difference is, the first locking bolt 5 in the embodiment is not to realize locking in the lockhole of the locked thing of insertion, but it is used as the power switch frizzen of power switch system, in this embodiment, power switch frizzen is the shape of straight-bar locking bolt, along perpendicular to direction of the axis of lock core 21 or so action, frizzen is set to trigger or disconnect the power supply Jian relations system 8 being engaged under key effect, it is particularly suitable for use in switch system, such as automobile, motorcycle, electric vehicle power sources switching system.As shown in figure 18, power switch is off, such as with non-key kind tool twist lock core 21, then, (the arc-shaped pins of the second action piece 32）It will enter and stop to prevent frizzen movement to the left from removing triggering power supply and enter opening in groove 51, therefore, it is impossible to carry out illegal unlock.Embodiment 7

Referring to shown in Figure 19,20, the principle of the embodiment and embodiment 6 is essentially identical, difference It is：Power switch system 8 is installed on into lock core to cover on the second action piece 32 of 31 ends, second locking member 32 is still set to one section of arc-shaped pins, the both positive and negative polarity of the power switch system 8 is placed in one end of the arc-shaped pins, and set power supply Jian to close frizzen 52 on the first action piece 22, it is one that power supply Jian, which closes frizzen 52, the radial direction side along lock core inner face is located at, the both positive and negative polarity of power switch frizzen 52 and power switch system 8 keeps certain distance.Power switch frizzen 52 can rotate triggering under key effect（Disconnect or turning circuit）Power switch system 8.But when non-key starts, lock core 21 and lock core cover 31 synchronous axial systems, touched so power switch system 8 never closes frizzen 52 by power supply Jian, can prevent to form electrical connection, fundamentally solved electric switch and the problem of opening is pried open by illegal strand.

Referring back to Figure 21,22, the embodiment is substantially the same as in the previous example, and the simply both positive and negative polarity distribution of power switch frizzen 52 and power switch system 8 is varied from.In this embodiment, power switch frizzen 52 is two, be located on the first action piece 22 positioned at the inner face of lock core 21 radial direction just to both sides, second locking member 32 is two sections of arc-shaped pins, the both positive and negative polarity of the power switch system 8 is placed in the phase heterodoxy of two sections of arc-shaped pins, can equally solve electric switch and pry open the problem of opening by illegal strand.

The inventive point of the present invention is the provision of a kind of lock head structure for being covered in lock core and lock core and setting first, second action piece respectively, equivalent to tapered end together with being constructed respectively when illegally being opened in lock-out state, safety coefficient is greatly improved, the present invention is when by illegal rotate, it is that lock core covers idle running relative to lock core not limit, or lock core set dallies relative to lock housing（The priority sequence of movement of first, second action piece is not limited）, do not limit yet first, second action piece be respectively cam lock or push up locking-type any lock construction (do not limit the manner of execution of first, second action piece）As long as being respectively provided with first, second action piece on lock core and lock core set and should all belong to protection scope of the present invention.

Claims (35)

1. Claims

   1. a kind of anti-twisted anti-prizing type lock, includes lock core, the lock core being placed on outside lock core set and the lock housing being placed on outside lock core set；It is characterized in that：Lock core the inner is provided with the first action piece, and lock core set is inner to be provided with the second action piece, and double protection functions are reached by first, second locking piece.

   2. anti-twisted anti-prizing type lock as claimed in claim 1, it is characterized in that：The lock core is determined structure by pellet pin between being covered with lock core and is connected; and be idle running protection connection between lock core set and lock housing; when being operated with key; lock core covers relative to lock core to be rotated and drives the first action piece to lock first; and when non-key is opened; lock core is integrally formed with lock core set group to dally relative to lock housing and drives the action of the second action piece, realizes supplement protection locking.

   3. anti-twisted anti-prizing type lock as claimed in claim 2, it is characterized in that：Lock core set and the idle running protection between lock housing be connected as it is false be fixedly connected, the false bonding strength being fixedly connected between the normal Jian of key open lock body when maximum twist power and lock core and lock core set between pellet pin determine between the minimum torsional rotation force of structure.

   4. anti-twisted anti-prizing type lock as claimed in claim 3, it is characterized in that：The lock core respectively constitutes cam lock structure with lock core set, and first, second locking piece can be rotated rotating around lock core axis.

   5. anti-twisted anti-prizing type lock as claimed in claim 4, it is characterized in that：First, second action piece directly constitutes the locking piece of the locked thing of locking one respectively.

   6. anti-twisted anti-prizing type lock as claimed in claim 5, it is characterized in that：First, second action piece is respectively set to along the axially extending arc-shaped pins of lock core, and the arc-shaped pins of first, second action piece are located at away from the circumference that lock core axis radius is identical or differs, and latched position is complementary. .

   7. anti-twisted anti-prizing type lock as claimed in claim 6, it is characterized in that：Also include a transverse tube and a U-shaped bar and constitute U-shape lock, the transverse tube is nested with outside lock housing, and radial direction of two free ends of U-shaped bar along transverse tube is inserted in the transverse tube, the U-shaped bar is provided with the first locked groove and the second locked groove being engaged with first, second action piece.

   8. anti-twisted anti-prizing type lock as claimed in claim 4, it is characterized in that：First action piece engages one first locking piece by the first drive mechanism, and the second action piece passes through the second drive mechanism engagement one the Two locking pieces, and when dallying protection, one is in the lock state in first, second locking piece.

   9. anti-twisted anti-prizing type lock as claimed in claim 8, it is characterized in that：First, second locking piece is set to first, second locking bolt acted in the opposite direction along vertical lock core axis, first drive mechanism includes being located at the cylinder gear of the first action piece end and is located at the rack engaged on the first locking bolt with the cylinder gear, and the second drive mechanism includes being located at the wildhaber-novikov gear of the second action piece lateral surface and is located at the rack being meshed on the second locking bolt with the wildhaber-novikov gear.

   10. anti-twisted anti-prizing type lock as claimed in claim 9, it is characterized in that：The central angle that the wildhaber-novikov gear is occupied is identical with the central angle that the rack on the first locking bolt is occupied, and positioned at the both sides of lock core axis just to position, so that the first locking bolt is opposite with the direction of action of the second locking bolt.

   11. anti-twisted anti-prizing type lock as claimed in claim 4, it is characterized in that：First action piece engages one first locking piece by the first drive mechanism, and when dallying protection, the second action piece directly locks the first locking piece, to prevent the first locking piece from being opened by Jian.

   12. anti-twisted anti-prizing type lock as claimed in claim 11, it is characterized in that：First locking piece is set to the first locking bolt acted along vertical lock core axis direction, first drive mechanism includes being located at the cylinder gear of the first action piece end and is located at the rack engaged on the first locking bolt with the cylinder gear, first locking bolt stops groove provided with one, and the second action piece is arc-shaped pins, when the lock core set dallies relative to lock housing, arc-shaped pins are rotated and inserted in stop groove, prevent the breakdown action of the first locking bolt.

   13. anti-twisted anti-prizing type lock as claimed in claim 12, it is characterized in that：First locking bolt is directly disposed as the power switch frizzen extended along vertical lock core axis direction, the power switch system being matched therewith is provided with the side of the power switch frizzen, when the lock core set dallies relative to lock housing, arc-shaped pins are rotated and inserted in stop groove, prevent power switch frizzen from being in contact to form electrical connection with power switch system.

   14. anti-twisted anti-prizing type lock as claimed in claim 4, it is characterized in that：Power switch frizzen is set on first action piece; and power switch system is set on the second action piece; when occurring idle running protection, power switch frizzen will cover synchronization action with power switch system in company with lock core and lock core, and the two can not contact realization electrical connection forever.

   15. anti-twisted anti-prizing type lock as claimed in claim 14, it is characterized in that：The power switch frizzen is one, it is located at the inner lateral surface of the first action piece, and lock core set is radially protruded into, and the second action piece is one section of arc-shaped pins, and the power supply Jian relations system being engaged with power supply Jian passes frizzen is provided with one end of the arc-shaped pins.

   16. anti-twisted anti-prizing type lock as claimed in claim 14, it is characterized in that：The power switch frizzen is two, be located at the first action piece inner outer peripheral face radially just to both sides, and lock core set is radially protruded into, and the second action piece is arc-shaped pins, the both positive and negative polarity of the power switch system is placed in the phase heterodoxy of two sections of arc-shaped pins.

   17. anti-twisted anti-prizing type lock as claimed in claim 3, it is characterized in that：The lock core constitutes top lock construction, and the first action piece is set to axially stretch the dead bolt of Shrink actions along lock core；And lock core set is configured to cam lock structure, the second action piece can be around lock core axial rotation.

   18. anti-twisted anti-prizing type lock as claimed in claim 17, it is characterized in that：Also include a transverse tube and a U-shaped bar and constitute U-shape lock, the transverse tube is nested with outside lock housing, and radial direction of two free ends of U-shaped bar along transverse tube is inserted in the transverse tube, second action piece is set to along the axially extending arc-shaped pins of lock core, and the U-shaped bar is provided with the through hole and the first locked groove being engaged with first, second action piece.

   19. anti-twisted anti-prizing type lock as claimed in claim 3, it is characterized in that：The lock core is configured to cam lock structure, and the first action piece can be around lock core axial rotation, and lock core set is configured to push up lock construction, and the second action piece is set to the dead bolt along the axial expanding-contracting action of lock core.

   20. anti-twisted anti-prizing type lock as claimed in claim 3, it is characterized in that：The lock core is respectively structured as pushing up lock construction with lock core set, and first, second action piece is respectively set to axially stretch the top lock dead bolt of Shrink actions along lock core, and when dallying protection, the simultaneously dual locking of first, second locking piece is locked thing.

   21. anti-twisted anti-prizing type lock as claimed in claim 1, it is characterized in that：It is idle running protection connection between lock core and the lock core set; and lock core set is connected with determining structure by pellet pin between lock housing; when being operated with key; lock core covers common rotation with lock core and drives the second action piece to lock first; and when non-key is opened, lock core covers idle running relative to lock core and drives the first locking piece to realize supplement protection locking.

   22. anti-twisted anti-prizing type lock as claimed in claim 21, it is characterized in that：The lock core and lock core Idle running protection between set be connected as it is false be fixedly connected, pellet pin is determined between the minimum torsional rotation force of structure between the maximum twist power and lock core set and lock housing during normally-open between the key lock body of the false bonding strength being fixedly connected.

   23. anti-twisted anti-prizing type lock as claimed in claim 22, it is characterized in that：The lock core respectively constitutes cam lock structure with lock core set, and first, second locking piece can be rotating around lock core axial rotation.

   24. anti-twisted anti-prizing type lock as claimed in claim 23, it is characterized in that：First, second action piece directly constitutes the locking piece of the locked thing of locking respectively.

   25. anti-twisted anti-prizing type lock as claimed in claim 24, it is characterized in that：First, second action piece is respectively set to along the axially extending arc-shaped pins of lock core, and the arc-shaped pins of first, second action piece are located at away from the circumference that lock core axis radius is identical or differs, and latched position is complementary.

   26. anti-twisted anti-prizing type lock as claimed in claim 25, it is characterized in that：The structure formed lock also including a transverse tube and a U-shaped bar, the transverse tube is nested with outside lock housing, and radial direction of two free ends of type bar along transverse tube is inserted in the transverse tube, the U-shaped bar is provided with the first locked groove and the second locked groove being engaged with first, second action piece.

   27. anti-twisted anti-prizing type lock as claimed in claim 23, it is characterized in that：First action piece engages one first locking piece by the first drive mechanism, and the second action piece engages one second locking piece by the second drive mechanism, and when dallying protection, one is in the lock state in first, second locking piece.

   28. anti-twisted anti-prizing type lock as claimed in claim 27, it is characterized in that：First, second locking piece is set to first, second locking bolt acted in the opposite direction along vertical lock core axis, first drive mechanism includes being located at the cylinder gear of the first action piece end and is located at the rack engaged on the first locking bolt with the cylinder gear, and the second drive mechanism includes being located at the wildhaber-novikov gear of the second action piece lateral surface and is located at the rack being meshed on the second locking bolt with the wildhaber-novikov gear.

   29. anti-twisted anti-prizing type lock as claimed in claim 28, it is characterized in that：The central angle that the wildhaber-novikov gear is occupied is identical with the central angle that the rack on the first locking bolt is occupied, and positioned at the both sides of lock core axis just to position, so that the first locking bolt is opposite with the direction of action of the second locking bolt.

   30. anti-twisted anti-prizing type lock as claimed in claim 23, it is characterized in that：Second action piece One second locking piece is engaged by the second drive mechanism, and when dallying protection, the first action piece directly locks the second locking piece, to prevent the second locking piece from being unlocked.

   31, anti-twisted anti-prizing type locks as claimed in claim 30, it is characterized in that：Second locking piece is set to the second locking bolt acted along vertical lock core axis direction, second drive mechanism includes being located at the arc gear wheel of the second action piece end and is located at the rack engaged on the second locking bolt with the arc gear wheel, second locking bolt stops groove provided with one, and the first action piece is arc-shaped pins, when the lock core covers relative to lock core and dallied, arc-shaped pins are rotated and inserted in stop groove, prevent the breakdown action of the second locking bolt.

   32. anti-twisted anti-prizing type lock as claimed in claim 22, it is characterized in that：The lock core constitutes top lock construction, and the first action piece is set to the dead bolt along the axial expanding-contracting action of lock core；And lock core set is configured to cam lock structure, the second action piece is around lock core axial rotation.

   33. anti-twisted anti-prizing type lock as claimed in claim 32, it is characterized in that：Also include a transverse tube and a U-shaped bar and constitute U-shape lock, the transverse tube is nested with outside lock housing, and radial direction of two free ends of U-shaped bar along transverse tube is inserted in the transverse tube, second action piece is set to along the axially extending arc-shaped pins of lock core, and the u-shaped bar is provided with the through hole and the first locked groove being engaged with first, second action piece.

   34. anti-twisted anti-prizing type lock as claimed in claim 22, it is characterized in that：The lock core is configured to cam lock structure, and the first action piece is around lock core axial rotation, and lock core set is configured to push up lock construction, and the second action piece is set to axially stretch the dead bolt of Shrink actions along lock core.

   35. anti-twisted anti-prizing type lock as claimed in claim 22, it is characterized in that：The lock core is respectively structured as pushing up lock construction with lock core set, and first, second action piece is respectively set to lock dead bolt along the top of the axial expanding-contracting action of lock core, and when dallying protection, the simultaneously dual locking of first, second locking piece is locked thing.'