CN201268981Y

CN201268981Y - Lock head

Info

Publication number: CN201268981Y
Application number: CNU2008200518754U
Authority: CN
Inventors: 周树成
Original assignee: 周健铭
Priority date: 2008-08-01
Filing date: 2008-08-01
Publication date: 2009-07-08
Anticipated expiration: 2018-08-01

Abstract

The utility model relates to a lock comprising a key, an idling lock core part, a lock outer sleeve, a driving rod and an engaging and disengaging shaft, wherein the idling lock core part is sleeved inside the lock outer sleeve and can freely rotate; the engaging and disengaging shaft is installed at the tail part of the lock outer sleeve and positioned behind the idling lock core part; the driving rod is installed on the engaging and disengaging shaft; after a lock core in the idling lock core part is inserted, the lock core moves forwards under the push of the key to be coupled with the engaging and disengaging shaft, and rotating the key can drive the engaging and disengaging shaft and the driving rod to rotate to open the lock; and after the key is drawn out from the lock core in the idling lock core part, the lock core can automatically restore under the pull of the key. The utility model has simple and reasonable structure, easy manufacture and assembly, low cost and compact structure.

Description

A kind of tapered end

Technical field:

The utility model relates to a kind of tapered end.

Background technology:

At present, the ball lock head of the band clutch of idle running is some patent documentation record, but the ball lock head of the band clutch of these idle running generally has two lock cores, the structural principle complexity, volume is big and length is longer, the assembling trouble, mutual opening rate is too high, and size of key is low, and produces difficult cost height.

Summary of the invention:

The purpose of this utility model is to provide a kind of tapered end, and is simple and reasonable, makes assembling easily, and cost is low, compact conformation.

The utility model is achieved through the following technical solutions:

A kind of tapered end, comprise key, idle-run lock pin parts, tapered end overcoat, drive link and clutch shaft, wherein the idle-run lock pin parts the inside that is sleeved on the tapered end overcoat can freely be rotated, clutch shaft is installed in the afterbody of tapered end overcoat and is in the rear of idle-run lock pin parts, drive link is installed on the clutch shaft, lock core in the idle-run lock pin parts is after inserting key, lock core moves with clutch shaft vertically and is of coupled connections under key promotes, and key can drive clutch shaft and drive link rotates the unlatching tapered end; Lock core in the idle-run lock pin parts is after extracting key out, and lock core automatically resets under the pulling of key.

The utility model compared with prior art has the following advantages: have only a lock core, simple in structure, it is also simple to implement principle, utilizes lock core to move forward and backward vertically with clutch shaft and cooperates, and makes assembling easily, and cost is lower, compact conformation.

At technique scheme, can do following improvement:

Above-mentioned described idle-run lock pin parts comprise lock core, lock core cover, envelope pearl cover, lower pellet, go up hoodle and spring, lock core is enclosed within lock core cover the inside, be provided with several pellet shot from a slingshot holes at lock core and the corresponding position of lock core cover, lower pellet, last hoodle and spring are put into the inside, pellet shot from a slingshot hole successively, be with envelope pearl cover in lock core cover outside, insert the key of coupling, the lower pellet that key makes pellet shot from a slingshot hole the inside and the interface of last hoodle just in time with lock core with the interface of lock core cover when consistent, it is preceding vertically mobile that key can promote lock core; When not inserting key or inserting unmatched key, when the interface that the lower pellet of pellet shot from a slingshot hole the inside and the interface of last hoodle just in time overlap with lock core and lock core was inconsistent, lock core can not move vertically and can only dally.Simple in structure, it is convenient to implement.

On the above-mentioned described lock core external surface stopper slot is set, lock core cover inner surface is extruded with banking pin, and banking pin embeds the stopper slot the inside.Rational in infrastructure, implementing process is simple.

The shape of above-mentioned described lock core is a drum type, can directly drive whole idle-run lock pin parts and rotate.

Above-mentioned described lock core afterbody is provided with boss, and the groove that can be of coupled connections with boss is set on the clutch shaft.

Above-mentioned described clutch shaft outside is with spring, and spring one end withstands on the bottom of tapered end overcoat, and the other end withstands on the top of clutch shaft, in the lock core the inside position-limitting pin is set.

Above-mentioned described pellet shot from a slingshot hole in lock core and lock core cover can be provided with a plurality of in same cross section, and many rows can be set vertically.Can improve size of key greatly.

Description of drawings:

Below in conjunction with accompanying drawing the utility model is done detailed explanation.

Fig. 1 is a structure cut-away view of the present utility model;

Fig. 2 is the B-B cut-away view of Fig. 1;

Fig. 3 is the A-A cut-away view of Fig. 1;

Fig. 4 is the structural representation that lock core of the present utility model cooperates with clutch shaft.

The specific embodiment:

As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, the utility model comprises key 1, the idle-run lock pin parts, the tapered end overcoat, drive link 13 and clutch shaft 15, wherein the idle-run lock pin parts the inside that is sleeved on the tapered end overcoat can freely be rotated, clutch shaft 15 is installed in the afterbody of tapered end overcoat and is in the rear of idle-run lock pin parts, drive link 13 is installed on the clutch shaft 15, lock core 2 in the idle-run lock pin parts is after inserting key 1, lock core 2 moves with clutch shaft 15 vertically and is of coupled connections under key 1 promotes, and key 1 can drive clutch shaft 15 and drive link 13 rotates the unlatching tapered end; Lock core 2 in the idle-run lock pin parts is after extracting key 1 out, and lock core 2 automatically resets under the pulling of key 1.The idle-run lock pin parts comprise lock core 2, lock core cover 3, envelope pearl cover 4, lower pellet 6, go up hoodle 7 and spring 8, lock core 2 is enclosed within lock core and overlaps 3 the insides, the position of overlapping 3 correspondences at lock core 2 and lock core is provided with several pellet shot from a slingshot holes 19, lower pellet 6, last hoodle 7 and spring 8 are put into 19 the insides, pellet shot from a slingshot hole successively, overlap 3 outsides at lock core and be with envelope pearl cover 4, insert the key 1 of coupling, the lower pellet 6 that key 1 makes 19 the insides, pellet shot from a slingshot hole and the interface of last hoodle 7 just in time with lock core 2 with the interface of lock core cover 3 when consistent, it is mobile vertically that key 1 can promote lock core 2; When not inserting key or inserting unmatched key, the interface of the lower pellet of 19 the insides, pellet shot from a slingshot hole 6 and last hoodle 7 is just in time with the lock core 2 and the interface of lock core cover 3 when inconsistent, and lock core 2 can not move vertically and can only dally.On lock core 2 external surfaces stopper slot 20 is set, lock core overlaps 3 inner surfaces and is extruded with banking pin 18, and banking pin 18 embeds stopper slot 20 the insides, and lock core 2 can only advance or retreat certain distance under banking pin 18 effects.The shape of lock core 2 is drum types.Lock core 2 afterbodys are provided with boss 22, and the groove 23 that can be of coupled connections with boss 22 is set on the clutch shaft 15.Clutch shaft 15 outsides are with spring 12, and spring 12 1 ends withstand on the bottom of tapered end overcoat, and the other end withstands on the top of clutch shaft 15, in lock core 2 the insides position-limitting pin 17 are set.Can be provided with a plurality ofly in the pellet shot from a slingshot hole 19 of 3 li in lock core 2 and lock core cover in same cross section, and many rows can be set vertically.The tapered end overcoat overlaps 11 after comprising tapered end protheca 5 and tapered end, cover 11 nested being installed together behind tapered end protheca 5 and the tapered end.

During installation: prevent that pulling out sheet 16 prevents to stir clutch shaft 15 with special instrument, position-limitting pin 17 is used for limiting key 1 insertion depth, at first will prevent pulling out sheet 16 packs in the lock core 2 afterbody grooves and is pressed into banking pin 17 and be fitted into lower pellet 6 according to key 1 tartar again, put into lock core cover 3 then, reinstall hoodle 7, spring 8, steel ball 10, spring 9 is also loaded onto envelope pearl cover 4 and is put into tapered end protheca 5 then, then spring 12 is inserted on the clutch shaft 15, and clutch shaft 15 packed into reinstalls driver blade 13 in the cover 11 behind the tapered end, stator 14 usefulness screws are fastening to be screwed into cover 11 behind the tapered end tapered end protheca 5 and just to finish a complete tapered end with dowel fixes at last until suitable position then.Simple in structure, easy for installation, volume is little, and is shorter, compact conformation.Can locate for after lock core 2 being moved forward and backward put in place, on lock core cover 3, have the hole, in the hole, place spring 9 and place kick 10, two locating slots are set on lock core 2 external surfaces vertically, be embedded into inside the locating slot when lock core 2 moves forward and backward the back place kick 10 that puts in place.

During use, do not inserting key 1 or inserting when not matching key, the lower pellet 6 of 19 the insides, pellet shot from a slingshot hole with the interface of last hoodle 7 just in time with the lock core 2 and the interface of lock core cover 3 when inconsistent, lock core 2 can not move vertically and can only dally, rotational lock core 2 drives lock core cover 3 and rotates in tapered end overcoat the inside together, but at this moment,, rotate and open locksets so can not drive clutch shaft 15 and drive link 13 because the boss 22 of lock core 2 afterbodys separates with clutch shaft 15.The lower pellet 6 that makes 19 the insides, pellet shot from a slingshot hole when the key 1 that inserts coupling and the interface of last hoodle 7 just in time with lock core 2 with the interface of lock core cover 3 when consistent, it is preceding vertically mobile that key 1 can promote lock core 2; The boss 22 and the clutch shaft 15 of lock core 2 afterbodys couple together, and rotational lock core 2 can drive clutch shaft 15 and drive link 13 rotates the unlatching lockset.

Claims

1, a kind of tapered end, comprise key (1), the idle-run lock pin parts, the tapered end overcoat, drive link (13) and clutch shaft (15), wherein the idle-run lock pin parts the inside that is sleeved on the tapered end overcoat can freely be rotated, clutch shaft (15) is installed in the afterbody of tapered end overcoat and is in the rear of idle-run lock pin parts, drive link (13) is installed on the clutch shaft (15), it is characterized in that: the lock core in the idle-run lock pin parts (2) is after inserting key (1), lock core (2) moves with clutch shaft (15) vertically and is of coupled connections under key (1) promotes, and key (1) can drive clutch shaft (15) and drive link (13) rotates the unlatching tapered end; Lock core in the idle-run lock pin parts (2) is after extracting key (1) out, and lock core (2) automatically resets under the pulling of key (1).

2, a kind of tapered end according to claim 1, it is characterized in that: the idle-run lock pin parts comprise lock core (2), lock core cover (3), envelope pearl cover (4), lower pellet (6), last hoodle (7) and spring (8), lock core (2) is enclosed within lock core cover (3) the inside, be provided with several pellet shot from a slingshot holes (19) at lock core (2) and the corresponding position of lock core cover (3), lower pellet (6), last hoodle (7) and spring (8) are put into the inside, pellet shot from a slingshot hole (19) successively, be with envelope pearl cover (4) in lock core cover (3) outside, insert the key (1) of coupling, the lower pellet (6) that key (1) makes pellet shot from a slingshot hole (19) the inside and the interface of last hoodle (7) just in time and lock core (2) with the interface of lock core cover (3) when consistent, it is preceding vertically mobile that key (1) can promote lock core (2); When not inserting key or inserting unmatched key, the interface of lower pellet (6) and the last hoodle (7) of pellet shot from a slingshot hole (19) the inside just in time and lock core (2) with the interface of lock core cover (3) when inconsistent, lock core (2) can not move vertically and can only dally.

3, a kind of tapered end according to claim 1 is characterized in that: on lock core (2) external surface stopper slot (20) is set, lock core cover (3) inner surface is extruded with banking pin (18), and banking pin (18) embeds stopper slot (20) the inside.

4, according to claim 1,2 or 3 described a kind of tapered ends, it is characterized in that: the shape of lock core (2) is a drum type.

5, according to claim 1,2 or 3 described a kind of tapered ends, it is characterized in that: lock core (2) afterbody is provided with boss (22), and the groove (23) that can be of coupled connections with boss (22) is set on the clutch shaft (15).

6, a kind of tapered end according to claim 5, it is characterized in that: clutch shaft (15) outside is with spring (12), spring (12) one ends withstand on the bottom of tapered end overcoat, and the other end withstands on the top of clutch shaft (15), in lock core (2) the inside position-limitting pin (17) are set.

7, a kind of tapered end according to claim 5 is characterized in that: can be provided with a plurality ofly in the pellet shot from a slingshot hole (19) of lock core (2) and lock core cover (3) lining in same cross section, and many rows can be set vertically.

8, according to claim 1,2 or 3 described a kind of tapered ends, it is characterized in that: the tapered end overcoat comprises cover (11) behind tapered end protheca (5) and the tapered end, overlaps behind tapered end protheca (5) and the tapered end that (11) are nested to be installed together.