CN202578168U

CN202578168U - Blade type spring lock head

Info

Publication number: CN202578168U
Application number: CN 201220210383
Authority: CN
Inventors: 章景林
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-11
Filing date: 2012-05-11
Publication date: 2012-12-05
Anticipated expiration: 2022-05-11

Abstract

The utility model discloses a blade type spring lock head, which comprises a lock head body and a lock core which is rotatablely arranged in the lock head body, wherein a plurality of ball holes which are communicated with a key hole are arranged in the lock core; balls and springs are arranged in the ball holes; the balls are flaky; and the sectional surfaces of the ball holes are rectangular. The spring lock head is convenient to machine and assemble, so that the amount of the used material can be effectively saved.

Description

The vane type ball lock head

Technical field

The utility model relates to a kind of cylinder lock head that is applied on the safe-guard door lock.

Background technology

The structure of existing theftproof lock tapered end mainly comprises tapered end and lock core; Lock core is arranged in the lock core hole in the tapered end rotationally; Be provided with keyhole and some pellets shot from a slingshot hole in the lock core; The pellet shot from a slingshot hole communicates with keyhole, is provided with a pellet shot from a slingshot and spring in each pellet shot from a slingshot hole, has differential between these pellets shot from a slingshot.For increasing the anti-intensity of turning round of lock core; Lock core is axially arranged with draw-in groove in the inwall upper edge of lock core hole; Be provided with inserted sheet and spring in the lock core; Spring action is used to make the radial outside protrusion of inserted sheet towards lock core on inserted sheet, the inserted sheet that protrudes into the lock core outside is through being plugged in the described draw-in groove, and effectively increases the torsional strength between lock core and the tapered end.On the outer peripheral face of pellet shot from a slingshot, be provided with the slot of rectangle, the position of slot on pellet shot from a slingshot separately is differential corresponding with pellet shot from a slingshot, after lock core inserts key; Under the promotion of key; Slot on all pellets shot from a slingshot all is on the same position, radially inserts along lock core for inserted sheet, when key; The inserted sheet outside receive draw-in groove shearing force and fully in lock core with not ing, thereby remove inserted sheet to blocking in relative rotation between lock core and the tapered end.

This pellet shot from a slingshot is columniform, on pellet shot from a slingshot, process the slot inconvenience of annular.In addition, inserted sheet is a slice, and it utilizes instrument that the inserted sheet of monolithic is stirred and seem comparatively easy along the axial setting of lock core, and this can have influence on the anti-technical unlocking performance of tapered end.

The utility model content

For overcoming above-mentioned defective, the purpose of the utility model is: a kind of vane type ball lock head is provided, and the pellet shot from a slingshot in this tapered end is convenient to machine-shaping.

The technical measures of taking for achieving the above object: a kind of vane type ball lock head; Comprise tapered end and be located at the lock core in the tapered end rotationally; Be provided with some pellet shot from a slingshot holes that communicate with keyhole in the lock core; Be provided with pellet shot from a slingshot and spring in the pellet shot from a slingshot hole, it is characterized in that: said pellet shot from a slingshot is plates, and the truncation surface in pellet shot from a slingshot hole is rectangular.This pellet shot from a slingshot generally is through the disposable machine-shaping of the form of punch process, and pellet shot from a slingshot can be movable in pellet shot from a slingshot.

Be provided with the chute that communicates with the pellet shot from a slingshot hole corresponding to the pellet shot from a slingshot hole in the described lock core, be provided with inserted sheet in the chute, on pellet shot from a slingshot, be provided with bayonet socket, the inserted sheet inner end can be plugged in the bayonet socket; On the tapered end inner peripheral surface, be provided with along the axially extended draw-in groove of lock core, the outer end of inserted sheet can be plugged in the draw-in groove; The length sum of the degree of depth of draw-in groove and chute equals or is slightly larger than the length of inserted sheet; The length sum of the degree of depth of bayonet socket and chute equals or is slightly larger than the length of inserted sheet; Inserted sheet adapts to the axially-movable of pellet shot from a slingshot.Inserted sheet adapts to the axially-movable of pellet shot from a slingshot, is meant when needing pellet shot from a slingshot to endwisely slip that the inner end of inserted sheet can be separated with the bayonet socket on the pellet shot from a slingshot.This can push away spring through setting in lock core makes inserted sheet have the trend towards movement outside; Perhaps forming V-shape is set through bayonet socket described as follows; The inner of inserted sheet and the shape of bayonet socket match, and the bayonet socket of V-arrangement acts on the inner end of inserted sheet mutually when the pellet shot from a slingshot axially-movable, and impels the outer end of inserted sheet to be inserted in the draw-in groove; This is positioned at the runner position place with regard to the draw-in groove that requires this moment, and the outer end through inserted sheet is connected to the retardance that realizes in the draw-in groove the lock core rotation.Inserted sheet is a plurality of, and each inserted sheet is corresponding to a pellet shot from a slingshot, and not convenient all stirring each inserted sheet with instrument puts in place, and the anti-technical unlocking of this tapered end is effective.

Said bayonet socket is V-shaped, and the shape of the inner end of inserted sheet matches with bayonet socket.During the pellet shot from a slingshot axially-movable, can produce the power of impelling inserted sheet in chute, to slide, simple in structure, need in lock core, not be provided for promoting the spring that pushes away that inserted sheet slides in chute, made things convenient for the production and the assembling of tapered end.

The relative both sides of said pellet shot from a slingshot sustained height respectively are provided with described bayonet socket, and the relative both sides in pellet shot from a slingshot in lock core are respectively arranged with described inserted sheet and chute.This can effectively improve the torsional strength of lock core.

Be provided with between said chute and the inserted sheet and be used to limit the position limiting structure of inserted sheet towards pellet shot from a slingshot direction sliding distance.This can effectively be avoided the undue clamping of inserted sheet the inner and bayonet socket, is convenient to inserted sheet and in chute, normally slides as required.

Said position limiting structure comprises to be located at the convex body in the chute and to be located at the convex shoulder on the inserted sheet.Utilize convex body that stopping of convex shoulder realized the qualification to inserted sheet sliding distance in chute, simple in structure.

Said convex shoulder and convex body near the surface match.This can effectively reduce the wearing and tearing between convex shoulder and the convex body, guarantees the validity that position limiting structure stops inserted sheet.

Said convex body extends to the interior oral area of chute, and said inserted sheet is " protruding " font.This has improved the stability when inserted sheet slides in chute.

The beneficial effect of the utility model is: the pellet shot from a slingshot of sheet is disposal molding fast, has made things convenient for the processing to pellet shot from a slingshot, and can effectively save the materials amount of pellet shot from a slingshot.

Description of drawings

Fig. 1 is the transverse sectional view of this vane type ball lock head.

Fig. 2 is the transverse sectional view after this vane type ball lock head is inserted into key.

Fig. 3 is the front view of pellet shot from a slingshot.

Fig. 4 is the left view of pellet shot from a slingshot.

The specific embodiment

The structure of this vane type ball lock head comprises tapered end 1 and is located at the lock core 2 in the tapered end 1 rotationally, in lock core 2, is provided with some pellets shot from a slingshot hole, is provided with a pellet shot from a slingshot 7 and a spring 9 in each pellet shot from a slingshot hole.The cylindrical position of lock core 2 is provided with keyhole 6, and keyhole 6 extends axially along lock core 2.The pellet shot from a slingshot hole communicates with keyhole 6, and the effect of 9 pairs of pellets shot from a slingshot 7 of spring makes pellet shot from a slingshot 7 have towards the trend of keyhole 6 motions.

Pellet shot from a slingshot 7 is plates, and the truncation surface in pellet shot from a slingshot hole is rectangular.On the sustained height position of pellet shot from a slingshot 7 both sides, be respectively arranged with a bayonet socket 5, not different differential corresponding of bayonet socket 5 positions on the homology functor 7 and pellet shot from a slingshot 7.Corresponding to a pellet shot from a slingshot 7, be provided with the chute that communicates with the pellet shot from a slingshot hole in the relative both sides in pellet shot from a slingshot hole respectively, be provided with a slice inserted sheet 3 in each chute, inserted sheet 3 can slide in chute.On tapered end 1 inner peripheral surface, be provided with two draw-in grooves 10, these two draw-in grooves 10 are upwards arranged in the footpath of tapered end 1 inner peripheral surface.Draw-in groove 10 extends axially along lock core 2, and the truncation surface of draw-in groove 10 is V-shaped.The outer end of inserted sheet 3 can be connected in the draw-in groove 10, and the inner end of inserted sheet 3 can be plugged in the bayonet socket 5.The shape of bayonet socket 5 is V-shaped, and the shape of the inner end of inserted sheet 3 and bayonet socket 5 matches.

The length sum of the degree of depth of bayonet socket 5 and chute equals or is slightly larger than the length of inserted sheet 3; The length sum of draw-in groove 10 degree of depth and chute equals or is slightly larger than the length of inserted sheet 3.After key 11 was plugged in the keyhole 6, under the promotion of key 11, the bayonet socket 5 on the pellet shot from a slingshot 7 was positioned at the runner position place; During key 11; 10 pairs of inserted sheets 3 of draw-in groove apply shearing force, and the inner of inserted sheet 3 is plugged in the bayonet socket 5, and the outer end of inserted sheet 3 is not fully in lock core 2; Under the drive of key 11, lock core 2 can circumferentially rotate with respect to tapered end 1 swimmingly.When extracting key 11; The stop position of lock core 2 should make chute be positioned at the position of draw-in groove 10; Extract in the process of key 11, pellet shot from a slingshot 7 carries out certain axially-movable, and bayonet socket 5 makes inserted sheet 3 slide towards draw-in groove 10 directions; And the outer end that can make inserted sheet 3 is plugged in the draw-in groove 10, and lock core 2 can not circumferentially rotate with respect to tapered end 1.

Between chute and inserted sheet 3, be provided with position limiting structure, this position limiting structure is used to limit the distance that inserted sheet 3 slides to pellet shot from a slingshot hole direction.Position limiting structure comprises the convex body of being located in the chute 4 and is located at the convex shoulder 8 on the inserted sheet 3, through the qualification that realizes inserted sheet 3 sliding distances that stops of 4 pairs of convex shoulders 8 of convex body.Convex body 4 and convex shoulder 8 each other near the surface match, this two surface of matching fits when being inserted in the bayonet socket 5 in inserted sheet 3 the inners.Convex body 4 generally is the interior oral area place that extends to chute, plush copper of distolateral formation in the inserted sheet 3, thereby the integral body of inserted sheet 3 is " protruding " font.

Claims

1. vane type ball lock head; Comprise tapered end and be located at the lock core in the tapered end rotationally, be provided with some pellet shot from a slingshot holes that communicate with keyhole in the lock core, be provided with pellet shot from a slingshot and spring in the pellet shot from a slingshot hole; It is characterized in that: said pellet shot from a slingshot is plates, and the truncation surface in pellet shot from a slingshot hole is rectangular.

2. by the described vane type ball lock head of claim 1, it is characterized in that: be provided with the chute that communicates with the pellet shot from a slingshot hole corresponding to the pellet shot from a slingshot hole in the described lock core, be provided with inserted sheet in the chute, on pellet shot from a slingshot, be provided with bayonet socket, the inserted sheet inner end can be plugged in the bayonet socket; On the tapered end inner peripheral surface, be provided with along the axially extended draw-in groove of lock core, the outer end of inserted sheet can be plugged in the draw-in groove; The length sum of the degree of depth of draw-in groove and chute equals or is slightly larger than the length of inserted sheet; The length sum of the degree of depth of bayonet socket and chute equals or is slightly larger than the length of inserted sheet; Inserted sheet adapts to the axially-movable of pellet shot from a slingshot.

3. by the described vane type ball lock head of claim 2, it is characterized in that: said bayonet socket is V-shaped, and the shape of the inner end of inserted sheet matches with bayonet socket.

4. by the described vane type ball lock head of claim 2, it is characterized in that: the relative both sides of said pellet shot from a slingshot sustained height respectively are provided with described bayonet socket, and the relative both sides in pellet shot from a slingshot in lock core are respectively arranged with described inserted sheet and chute.

5. by claim 2,3 or 4 described vane type ball lock heads, it is characterized in that: be provided with between said chute and the inserted sheet and be used to limit the position limiting structure of inserted sheet towards pellet shot from a slingshot direction sliding distance.

6. by the described vane type ball lock head of claim 5, it is characterized in that: said position limiting structure comprises to be located at the convex body in the chute and to be located at the convex shoulder on the inserted sheet.

7. by the described vane type ball lock head of claim 6, it is characterized in that: said convex shoulder and convex body near the surface match.

8. by the described vane type ball lock head of claim 7, it is characterized in that: said convex body extends to the interior oral area of chute, and said inserted sheet is " protruding " font.