CN101555738A

CN101555738A - Idling lock

Info

Publication number: CN101555738A
Application number: CNA2009100390054A
Authority: CN
Inventors: 钟坚波
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-21
Filing date: 2009-04-21
Publication date: 2009-10-14

Abstract

The invention relates to an idling lock with wide application range and simple structure, comprising a shell, a key, a lock core, a leaf blade, a pushing block and a slide block with internally arranged tooth openings. A clutch spring is arranged between the slide block and the lock core; the shell is internally provided with a baffle column which can axially slide and stops the slide block forward moving; an offsetting spring is arranged between the baffle column and the shell so that the baffle column is forced by elasticity pointing to the direction of the slide block, and the elasticity of the offsetting spring is larger than that of the clutch spring; at least part of the projection of the keyhole of the lock core from the outside to the inside along axial direction is projected in the end face of the baffle column, so that the front end of the key which is inserted into the front end of the key can inwards jack up the baffle column; a clutch groove opening which is matched with a clutch end at the front end of the slide block is arranged on the shifting block; and on-off between the shifting block and the lock core is realized by the combined action of the key, the baffle column, the slide block, the clutch spring and the offsetting spring.

Description

A kind of idle running lock

Technical field

The present invention relates to a kind of idle running lock, particularly relate to a kind of idle running lock with the idle rotation on-off structure.

Background technology

Disclose among the disclosed Chinese patent CN101135202A on March 5th, 2008 by a kind of " the idle running lock of blade construction ", lock core and rear lock core before it comprises, forward and backward lock core is provided with clutch; Be provided with the locking side column and the back-moving spring that can match in the locking side column groove of locking clutch on preceding lock core with the blade upper groove, locking side column is provided with the breach that can match with blade, the corresponding lock pin chute that is provided with on rear lock core with the locking side column groove, place lock pin and back-moving spring in the lock pin chute, the elasticity of lock pin back-moving spring big (little) is in the locking side column back-moving spring; Have at least one to adopt the inclined-plane contact in lock pin (locking side column) or the locking side column cell wall, be provided with step, have breach that matches with lock pin and the spacing breach that limits the rear lock core rotational angle on the step the rear lock core stop bit at the lock body afterbody with another.The shortcoming scope of application of this idle running lock is little---only be applicable to that oblique tongue, the side's of not being suitable for tongue etc. are unblanked and locking all needs lock core to impose the lockset that external force drives; Reason is that its locking side column or lock pin must reset by the inclined-plane, and this inclined-plane realizes for lock pin or axial power of locking side column when key drives the rightabout rotation of unblanking on the lock core edge, so for driving the lockset that dead bolt resets by key in some locking processes, then can not use this idle running lock, because its locking process is not also finished, its lock pin or locking side column just reset.

Summary of the invention

The objective of the invention is to have the little problem of the scope of application that exists in the idle running lock now, and a kind of idle running applied widely, simple in structure lock is provided in order to solve.

The object of the present invention is achieved like this: a kind of idle running lock comprises shell, key, lock core, blade, shifting block and the inboard slide block of being with the tooth mouth; Wherein lock core and shifting block vertically front and rear row be listed in the shell, slide block is arranged in the axially directed groove of plug face and matches with the blade of lock core, the tooth mouth that it is inboard is suitable with the thickness of blade, and the width of the breach in the thickness of slide block and the blade outside is suitable, more than is prior art; It is characterized in that described shifting block is provided with the clutch notch that the clutch head with slip front matches; The clutch spring is set between described slide block and the lock core makes slide block be subjected to forward elastic force, be provided with in the shell and can slide vertically and stop the bumping post that described slide block moves forward, back-moving spring is set between this bumping post and the shell makes bumping post be subjected to pointing to the elastic force of described slide block direction, and the elastic force of described back-moving spring is greater than the elastic force of described clutch spring, the keyhole of described lock core is being projected in the end face that a rare part is projected in described bumping post (also promptly can inwardly see the end face of bumping post from keyhole) of ecto-entad vertically, can promote described bumping post to motion so that insert the key front end of keyhole.Insert in the process of unblanking of key to the lock core keyhole, key is shifted each blade onto the lockset position of coupler place earlier, make the breach on each blade form axial passage over against the slide block inboard, key is continued to push ahead a bit of diastema stroke (this trip does not change the position of each blade---be that this process is the diastema stroke of key), in this diastema stroke the key front end with bumping post to sinciput (overcoming the elastic force of back-moving spring), slide block moves forward the clutch notch that clutch head on slide block falls into shifting block synchronously with bumping post under the clutch spring action, slide block and shifting block are coupled to each other and are coupled, keep current position and the key of key, lock core drives the slide block rotation, and slide block drives the shifting block rotation and realizes unblanking; During locking, the home position is arrived in the key reverse rotation, unclamp and make the hand of key to sinciput, under action of reset spring, bumping post ejects above-mentioned diastema stroke backward with key, and bumping post also outwards pushes up the home position with slide block simultaneously, clutch head on the slide block is separated with the clutch notch of shifting block, after extracting key out, blade resets and enters disordered state and block slide block slide block can not be moved vertically with respect to lock core, thereby keeps the clutch head on the slide block to separate with the clutch mouth of shifting block; At this moment, if insert in the keyhole with non-correct key, even bumping post is pushed up backward, but slide block can not be moved vertically because blade blocks the tooth mouth of slide block inboard, so the clutch head on the slide block can't link with the clutch notch of shifting block, even rotary locking cylinder, lock core can not drive the shifting block rotation, so the lock core of this moment just can not be unblanked with respect to shell idle running.

Described idle running lock, it is characterized in that also comprising that a longitudinal section is "T"-shaped lock pin, be provided with the lockpin hole that matches with this lock pin in plug face, this lockpin hole bottom communicates with the keyhole of lock core, be provided with the pressure hole of bead with the corresponding position of the lockpin hole of lock core in the shell, place in this pressure hole of bead and press pearl and pressure pearl spring and pressure pearl to push down described lock core or lock pin, have the lock hole that the longitudinal section is an arc in the corresponding position of described key; After key inserts the keyhole of lock core fully, lock hole, outer face and lock core outer cylinder that lock pin the inner falls into key maintain an equal level, the lock pin outer end is spacing by the shell inner cylinder behind the rotational lock core, thereby the key axial location can be ejected because of the effect of described back-moving spring.Benefit is that the process of unblanking does not need firmly to push down key again, only after rotating to the reset position of lock core, just can extract by key, the inclined-plane of lock hole front side is with a outside top and lock pin outer end part is stretched in the pressure hole of bead of shell so that key is extracted of lock pin when extracting key, after treating that key is extracted fully, lock pin is pressing the pearl spring to reset with pressing under the pearl effect.What lock hole worked is the curve slope of its front side.After extracting key, press pearl lock core to be played orientation with respect to the reset position of shell pressing between the hole of bead and the lockpin hole, lock core can not rotated with respect to shell because of slight shake.

Described idle running lock is characterized in that described lockpin hole outer end places ball, fall into the lock hole of key when described lock pin after, this ball is fair with interface and the lock core outer cylinder of described pressure pearl.Its effect is the frictional force that reduces in the lock core rotary course.

Described idle running lock is characterized in that the position between described shifting block and lock core is provided with the clutch post, and the notch that described bumping post outer cylinder is provided with in muscle and described shifting block and the clutch post matches, and the clutch notch on the described shifting block is arranged in this clutch post.Also promptly link and be in the same place, the three can be rotated synchronously by the notch in the muscle on the bumping post and shifting block and the clutch post and with the three.

Described idle running lock is characterized in that the position between described clutch post and lock core is provided with the collar, also is provided with the clutch notch on this collar.

Described idle running lock is characterized in that the position between described bumping post and lock core is provided with distribution, and the through hole in this distribution and the described clutch post matches and promotes that the inner props up bumping post, the outer end props up described slide block.

Described idle running lock is characterized in that the position of the clutch notch on the corresponding described shifting block of described shell is provided with locating hole, places directed pin and directed spring in this locating hole.Its effect is when blocking shifting block to be positioned, and is shifted in transportation to prevent shifting block.And the directed pin that falls into the clutch notch outwards pushes up shop bolt in the process of the clutch head insertion clutch notch of slide block, and shop bolt is separated with the clutch notch.

Described idle running lock is characterized in that being provided with pipe between described lock core and shell.Its effect is to be convenient to dally the installation of lock.

Described idle running lock is characterized in that the described slide block that is arranged on the lock core has two and be distributed in symmetrically in the lock core, and with arch bridge connection, described clutch head is arranged in this arch bridge between two slide blocks.Its benefit be on the lock core keyhole can with lock pin coaxial.

Described idle running lock is characterized in that described clutch spring is arranged between this arch bridge and the lock core.

Owing to adopted technical solutions according to the invention, slide block does not use the inclined-plane and directly uses back-moving spring to cooperate bumping post to reset with the coupling between the shifting block, so no matter lock core just changes, reverses all can directly transmit torque in the shifting block, both can be used for the also side's of can be used for tongue of oblique tongue, even not being with back-moving spring also can drive shifting block by lock core, oblique tongue or square tongue do not reset, it is applied widely, and simple in structure, practical.

Description of drawings

The invention will be further described below in conjunction with drawings and Examples.

Fig. 1 is the three-dimensional exploded view of one embodiment of the present of invention.

Fig. 2 is the stereo amplification figure of another angle of bumping post among Fig. 1.

Fig. 3 is the stereogram after each part fits together among Fig. 1.

Fig. 4 is the stereo amplification figure of another angle of slide block among Fig. 1.

Fig. 5 is the stereo amplification figure of another angle of shifting block among Fig. 1.

Fig. 6 is the stereo amplification figure of another angle of lock core among Fig. 1.

Fig. 7 is the cut partial perspective view after half of shell among Fig. 3, shifting block, clutch post and the collar.

Mark among the figure, 1, handle, 103, draw-in groove, 102, blind hole, 11, back-moving spring, 12, bumping post, 121,122, muscle, 101, notch, 203, notch, 202, through hole, 2, the clutch post, 201, the clutch notch, 21, the collar, 211, the clutch notch, 212, through hole, 23, promote, 311, the clutch head, 32, the clutch spring, 31, slide block, 312, arch bridge, 301, gathering sill, 42, blade, 303, keyhole, 302, lockpin hole, 3, lock core, 41, blade, 33, lock pin, 5, pipe, 501, through hole, 6, shell, 601, breach, 701, shifting block, 7, shifting block, 603, press the hole of bead, 34, ball, 35, press pearl, 36, press the pearl spring, 24, directed pin, 25, directed spring, 602, locating hole, 8, key, 702, notch, 801, lock hole.

The specific embodiment:

See Fig. 1, it is a specific embodiment of idle running lock of the present invention, can be used for mortise door lock, it comprises shell 6, key 8 (see figure 3)s, lock core 3, each by four

blades

41 and 42 form about two groups of vane group, two slide blocks 31 of shifting block 7 and inboard band tooth mouth constitute, wherein connect by arch bridge 312 between two slide blocks and stretch out clutch 311 at arch bridge 312 middle parts, lock core 3 both side surface are respectively equipped with gathering sill 301 and cooperate with two slide blocks 31 respectively, clutch spring 32 is arranged between arch bridge 311 and the lock core, inner handle 1 is positioned at the inboard of door, place the bumping post 12 of back-moving spring 11 and both

sides band muscle

121 and 122 in its blind hole 102, wherein

muscle

121 and 122 respectively with inner handle on notch 101 (the inner handle both sides are equipped with notch) match, and that the right-hand member of bumping post 12 is positioned at blind hole 102 is outer and stretch into shifting block 7 and clutch post 2, its muscle 122 respectively with shifting block in notch 702 (see figure 5)s and the notch 203 in the clutch post match (concrete installation site see Fig. 7); The longitudinal section is after to be "T"-shaped lock pin 33 with the lockpin hole 302 of lock core match, ball 34 is put in lock pin 33 outer ends, has the pressure hole of bead 603 (pressing the outermost end in the hole of bead 603 to be provided with the afterbody that the envelope bead seal is firmly pressed pearl spring 36) of built-in pressure pearl 35 and pressure pearl spring 36 in the corresponding position of shell 6.Promote and prop up arch bridge 312 left sides that bumping post 12 right sides, its right-hand member prop up slide block behind the through hole 202 that 23 left ends pass the through hole 212 of the collar 21 and clutch post 2 respectively.A clutch that the arch bridge left end of slide block stretches out 311 matches with the clutch notch 211 of the collar 21 and the clutch notch 201 of clutch post; The locating hole 602 of offering built-in directed pin 24 and directed spring 25 on shell is (same, also be fixed with the envelope pearl that props up directed spring 25 afterbodys in this locating hole outer end), directed pin 24 the inners can be stretched in the clutch notch 211 of the collar 21 collar is played orientation.Each blade and slide block etc. are installed into and are inserted in pipe 5 behind the lock core and will go in the shell.

See Fig. 7, when unblanking, insert key 8 gradually, key 8 front ends upwards push up lock pin 33, continue to insert key 8 and shift each blade 42 onto the lockset position of coupler place, breach on each blade forms axial passage over against slide block 31 inboards, continue to insert key (this process does not change the position of each blade---be that this process is the diastema stroke of key) then the key front end arch bridge that passes slide block will promote 23 and push up left, promoting 23 pushes up bumping post 12 left, slide block drives under clutch spring 32 effect in the clutch notch 211 that clutch 311 enters the collar directed pin 24 is ejected clutch notch 211, in the clutch notch 201 of clutch 311 an insertion clutch post 2, press the ball 34 in the hole of bead lock pin 33 to be pushed in the lock hole 801 of key in the shell, simultaneously the summit of ball 34 is fair with the lock core outer cylinder, key, then under the drive of lock core, slide block, the collar, the clutch post, the shifting block thing is rotated together and is unblanked, only need lock core to turn over a low-angle therebetween, then ball 34 misplaces with pressing the hole of bead, the outer dead centre of ball withstands the inwall of the pipe 5 among Fig. 1 and the head of lock pin 33 can not be separated with the key lock hole, thereby key can not be moved vertically; During locking, rotary locking cylinder is to reset position, key is outwards taken out, key upwards enters in the pressure hole of bead of shell ball 34 in the top lock pin 33, key can be drawn back, in the extraction, at first key retreats its diastema stroke, bumping post 12 promotes to promote 23 right laterals under back-moving spring 11 effects, promote 23 arch bridges by slide block and promote the slide block right laterals, clutch 311 and clutch post separate with clutch notch on the collar, after slide block resets fully, after continue extracting key out, each blade also resets to disordered state and slide block is blocked in the tooth mouth of slide block inboard entering respectively; At this moment, if with non-first wife's key unlocking, then because slide block can not move vertically, the clutch head on the slide block can not enter the clutch notch in the clutch post, and the clutch post can not link with slide block, so lock core can only dally and can not unblank.

If open and close lock in the door inner control, then only need hand to hold inner handle and rotation, then inner handle drive bumping post, shifting block and clutch cover rotation get final product, if make the clutch notch on the clutch head can not be during this time because of carelessness over against the clutch head on the slide block, then when opening the lock with the key outdoors, only need insert key fully after, make lock core drive the collar and rotate to clutch head on the slide block over against the clutch notch place of clutch post, then the clutch head can slip in the clutch notch of clutch post, and both are linked.

In fact, distribution among Fig. 7, clutch post and the collar also can omit, and directly be opened in the clutch notch on the shifting block, the bumping post right-hand member is lengthened to the distribution right-hand member, then can realize purpose of the present invention equally, this is that those skilled in the art are all attainable on the technology of the present invention basis, is not going to repeat.

Claims

1, a kind of idle running lock comprises the slide block of shell, key, lock core, blade, shifting block and inboard band tooth mouth, wherein lock core and shifting block vertically front and rear row be listed in the shell; It is characterized in that described shifting block is provided with the clutch notch that the clutch head with slip front matches; The clutch spring is set between described slide block and the lock core makes slide block be subjected to forward elastic force, be provided with in the shell and can slide vertically and stop the bumping post that described slide block moves forward, back-moving spring is set between this bumping post and the shell makes bumping post be subjected to pointing to the elastic force of described slide block direction, and the elastic force of described back-moving spring is greater than the elastic force of described clutch spring, the keyhole of described lock core is being projected in the end face that a rare part is projected in described bumping post of ecto-entad vertically, can promote described bumping post to motion so that insert the key front end of keyhole; Insert in the process of unblanking of key to the lock core keyhole, key is shifted each blade onto the lockset position of coupler place earlier, make the breach on each blade form axial passage over against the slide block inboard, key is continued to push ahead a bit of diastema stroke, in this diastema stroke the key front end with bumping post to sinciput, slide block moves forward the clutch notch that clutch head on slide block falls into shifting block synchronously with bumping post under the clutch spring action, slide block and shifting block are coupled to each other, keep current position and the key of key, lock core drives the slide block rotation, and slide block drives the shifting block rotation and realizes unblanking; During locking, the home position is arrived in the key reverse rotation, unclamp and make the hand of key to sinciput, under action of reset spring, bumping post ejects above-mentioned diastema stroke backward with key, and bumping post also outwards pushes up the home position with slide block simultaneously, clutch head on the slide block is separated with the clutch notch of shifting block, after extracting key out, blade resets and enters disordered state and block slide block slide block can not be moved vertically with respect to lock core, thereby keeps the clutch head on the slide block to separate with the clutch mouth of shifting block.

2, according to the described idle running lock of claim 1, it is characterized in that also comprising that a longitudinal section is "T"-shaped lock pin, be provided with the lockpin hole that matches with this lock pin in plug face, this lockpin hole bottom communicates with the keyhole of lock core, be provided with the pressure hole of bead with the corresponding position of the lockpin hole of lock core in the shell, place in this pressure hole of bead and press pearl and pressure pearl spring and pressure pearl to push down described lock core or lock pin, have the lock hole that the longitudinal section is an arc in the corresponding position of described key; After key inserted the keyhole of lock core fully, lock hole, outer face and lock core outer cylinder that lock pin the inner falls into key maintained an equal level, and the lock pin outer end is spacing by the shell inner cylinder behind the rotational lock core, thereby with the key axial location.

3, according to the described idle running of claim 2 lock, it is characterized in that described lockpin hole outer end places ball, fall into the lock hole of key when described lock pin after, this ball is fair with interface and the lock core outer cylinder of described pressure pearl.

4, according to the described idle running lock of claim 1, it is characterized in that the position between described shifting block and lock core is provided with the clutch post, the notch that described bumping post outer cylinder is provided with in muscle and described shifting block and the clutch post matches, and the clutch notch on the described shifting block is arranged in this clutch post.

5, according to the described idle running lock of claim 4, it is characterized in that the position between described clutch post and lock core is provided with the collar, also be provided with the clutch notch on this collar.

6, according to the described idle running of claim 4 lock, it is characterized in that the position between described bumping post and lock core is provided with distribution, the through hole in this distribution and the described clutch post matches and promotes that the inner props up bumping post, the outer end props up described slide block.

7, according to the described idle running lock of claim 1, the position that it is characterized in that the clutch notch on the corresponding described shifting block of described shell is provided with locating hole, place directed pin and directed spring in this locating hole, directed pin outwards pushes up shop bolt in the process of the clutch head insertion clutch notch of slide block, and shop bolt is separated with the clutch notch.

8, according to the described idle running lock of claim 1, it is characterized in that between described lock core and shell, being provided with pipe.

9, according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 described idle running lock, it is characterized in that the described slide block that is arranged on the lock core has two and be distributed in symmetrically in the lock core, with arch bridge connection, described clutch head is arranged in this arch bridge between two slide blocks.

10, according to the described idle running lock of claim 9, it is characterized in that described clutch spring is arranged between this arch bridge and the lock core.