CN2584731Y

CN2584731Y - Lock barrel of lock set

Info

Publication number: CN2584731Y
Application number: CN 02257131
Authority: CN
Inventors: 林明光
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-09-25
Filing date: 2002-09-25
Publication date: 2003-11-05
Anticipated expiration: 2012-09-25

Abstract

The utility model discloses a lock core of a lock set. The inner wall surface of a fixed body is provided with a plurality of clamping concave grooves for clamping pieces to be inlaid correspondingly in rotation so as to form a lock core structure with a multi-stage locking effect, and thus thieves can not pry the utility model in a short time to steal properties.

Description

The core of lockset

Technical field

The utility model relates to a kind of core of lockset, refers in particular to a kind of tool and is provided with multisection type locking structure, the lock core structure innovative design that can make the burglar can't be easily, fast this lockset is opened.

Background technology

The lock core structure of general lockset, as shown in Figure 1, tool is established the end pin 301 that the perforation 101 that communicates and through hole 201 can ccontaining lock pin groups 30 on the fixed body 10 of this core and the rotary body 20, lock pin 302 and spring 303, and rotary body 20 can be mounted on and rotates in the tank 102 of fixed body 10, and tool is established keyhole 202 on rotary body 20, the key 40 that has pit 401 for the surface inserts, and when key 40 inserts, can push lock pin group 30 and unblank to locating, also cut open and be provided with a slot 203 that runs through rotary body 20, can plug for a drawing piece 50 in this slot 203 in a side of rotary body 20; And the outer peripheral edges of slot 203 formation caulking groove 204 is embedded for a cover plate 205, simultaneously, one side group of drawing piece 50 is established spring 60, to make the horizontal locomotive function of drawing piece 50 rubber-likes, and tool is established a clip groove 103 on fixed body 10 inwalls of corresponding drawing piece 50 other sides, think that drawing piece 50 embeds clip, in addition, the central tool of drawing piece 50 is established a square opening 501, this square opening 501 can be logical for the end pin 301 of lock pin group 30, cross and sell 301 stage casings and is arranged with circular groove 3011 at the end of lock pin group 30, this circular groove 3011 can be when unblanking corresponding to square opening 501 height of drawing piece 50; Thus, can make drawing piece 50 cooperation lock pin groups 30 and when lockset is locked, make lockset have dual clip locking effect.

Yet, this kind lock core structure also can't reach good anti-theft effect, promptly because of the burglar as long as with pin 301 at the bottom of the pushing in regular turn of instrument single, when making square opening 501 height of circular groove 3011 corresponding drawing pieces 50 of each pin 301 end, just this core can be pried open, reach the purpose that it steals he person property, and the property owner is caused loss on the property.

Summary of the invention

The utility model designer promptly is that the shortcoming part that has in view of above-mentioned known lockset is revised improvement, in the hope of a kind of lockset that more can prevent the multisection type core that the burglar just pries open at short notice smoothly really is provided.

The utility model adopts following technical scheme:

A kind of core of lockset, this core is by fixed body, rotary body, lock pin group and drawing piece constitute, this rotary body is built up in the tank of fixed body, and can in tank, rotate, be provided with through hole in rotary body, the lock pin and the spring of tool circular groove that can ccontaining lock pin group, and tool is established keyhole on rotary body, the key that has pit for the surface inserts, and when key inserts, can push lock pin to the location and unblank, also establish slot in a side of rotary body, plug for drawing piece, it is ccontaining for spring that each tool of two ends of this drawing piece is established a storage tank, and the diameter of spring is greater than the thickness of drawing piece, in addition, rotary body is on slot two ends, corresponding arc groove is respectively arranged on the lower wall surface, and this arc groove does not extend to the through hole, and form a vertical retaining wall in inside, ammunition feed spring one end supports and pastes, and continues to form number clip groove on the inwall of fixed body, can make the corresponding clip build-in of drawing piece; In view of the above, forming one has multisection type and locks the pin of the core of the effect structure of signing an undertaking admittedly.

In other words, the core of the lockset that the utility model provides, it utilizes sets up several clip groove on the fixed body internal face, corresponding phase embedding when being rotated for drawing piece, with the pull lock core structure of effect of the lock that forms a multisection type, with make the burglar can't at short notice it be pried open, steal property.

Below in conjunction with drawings and Examples, structure of the present utility model and advantage thereof are described further.

Description of drawings

Fig. 1: the three-dimensional exploded view of commonly using core.

Fig. 2: the three-dimensional exploded view of the utility model core.

Fig. 3: the combination front sectional elevation of the utility model core.

Fig. 4: the combination side cutaway view of the utility model core.

Fig. 5: the combination top plan view of the utility model core.

Fig. 6: the sectional drawing when key does not insert core.

The specific embodiment

At first, see also shown in Figure 2ly, core of the present utility model is made of fixed body 1, rotary body 2, lock pin group 3 and drawing piece 4; Wherein:

Tool does not have a tank 11 in this fixed body 1, can supply ccontaining rotary body 2, is provided with the clip groove (12) of several (more than at least 3) again in the perisporium of tank 11;

This rotary body 2 is provided with several through holes 21, and all ccontaining lock pin group 3 in each through hole 21, outer peripheral edges in each through hole 21 just form a caulking groove 22, establish for cover plate 23 corresponding lids, on rotary body 2, set up the slot 24 of a side direction again, for drawing piece 4 corresponding inserted, and slot 24 is connected with each through hole 21, simultaneously on slot 24 2 ends, corresponding arc groove 241 is respectively arranged on the lower wall surface, this arc groove 241 does not extend to through hole 21 places, and forms a vertical retaining wall 242 in inside, and also tool is established a keyhole 25 on rotary body 2, being connected, and can insert for key 5 with through hole 21;

This lock pin group 3 is to be made of lock pin 31 and spring 32, and the lock pin 31 and the spring 32 of each group all are contained in the through hole 21 in regular turn, and tool is established a circular groove 311 on lock pin 31;

Each tool is established a storage tank 41 on two ends of this drawing piece 4, two end limits of this storage tank 41 respectively become the shrinking section 411 of a pointed cone, after in spring 42 is placed in storage tank 41, two ends of shrinking section 411 inlay card springs 42 that can two end limits, with spring 42 location, simultaneously, the diameter of spring 42 is greater than the thickness of drawing piece 4, after making spring 42 be mounted in the storage tank 41, can protrude the upper and lower side of drawing piece 4, and corresponding the last lower arc groove 241 of rotary body 2, and the side of drawing piece 4 still forms number concave arc 43, each concave arc 43 all correspondence each lock pin 31.

In the enforcement group immediately, please join Fig. 3～shown in Figure 5, it inserts each lock pin group 3 in the through hole 21 of rotary body 2, and be covered on caulking groove 22 with cover plate 23, in case lock pin group 3 comes off, continue spring 42 is placed in the storage tank 41 of drawing piece 4, and make its two end all be shrinking section 411 sheathed location, more whole drawing piece 4 is inserted in the slot 24 of rotary body 2, at this moment, one end of spring 42 inboards just pastes and is against retaining wall 242 places, at last, rotary body 2 is inserted in the tank 11 of fixed body 1, and outwards push whole drawing piece 4 because of the elasticity pushing tow of spring 42 this moment, and make it to be embedded in wherein in the clip groove 12 (as shown in Figure 6), and become the clip state of locking.

If when desiring to unblank, then as Fig. 3～shown in Figure 5, it has the surface keyhole 25 places insertion of the key 5 of pit 51 by rotary body 2, at this moment, because of these pits 51 are fitted corresponding with each lock pin 31, so each lock pin 31 is made concave arc 43 height of its circular groove 311 corresponding drawing pieces 4 by last passing position, to utilize this circular groove 311 that the shift length of drawing piece 4 is provided, promptly when rotating rotary body 2 with key 5, the outside of drawing piece 4 is because of being extruded to slot 24 internal displacements, to break away from clip groove 12, rotary body 2 can be rotated smoothly, and when locating, drawing piece 4 is return original position under the elastic-restoring force of spring 42, with clip in the clip groove 12 corresponding with it.

Though, the utility model is provided with several clip groove 12 at fixed body 1 inwall, but because of unblanking or during locking, key 5 is inserted in the keyhole 25 all the time, and push away lock pin 31 all the time, make the height of corresponding all the time drawing piece 4 concave arcs 43 of its circular groove 311, therefore, even if drawing piece 4 may embed in rotary body 2 rotating process in arbitrary clip groove 12, still can finish smoothly and rotate rotary body 2 and unblanked or block action.

But, for the burglar, tool is provided with several clip groove 12 in the core of this lockset because of it is not understood, so, behind its for the first time smooth each lock pin 31 of pushing, just think and finished unlocking action, yet, in fact really not so, when corresponding once more another clip groove 12 of drawing piece 4, this rotary body 2 still can't rotate; In view of the above, increase the degree of difficulty of burglar to reach, and use the prolongation uncaging time, it can be beaten a retreat in the face of difficulties, and guaranteed property owner's property with improper gimmick unlatching lockset.

In sum, the utility model embodiment really can reach desired use effect, and its disclosed concrete structure not only be not seen in like product, be not disclosed in application yet before.

Claims

1, a kind of core of lockset, it is characterized in that: this core is by fixed body, rotary body, lock pin group and drawing piece constitute, this rotary body is built up in the tank of fixed body, and can in tank, rotate, be provided with through hole in rotary body, the lock pin and the spring of tool circular groove that can ccontaining lock pin group, and tool is established keyhole on rotary body, the key that has pit for the surface inserts, and when key inserts, can push lock pin to the location and unblank, also establish slot in a side of rotary body, plug for drawing piece, it is ccontaining for spring that each tool of two ends of this drawing piece is established a storage tank, and the diameter of spring is greater than the thickness of drawing piece, in addition, rotary body is on slot two ends, corresponding arc groove is respectively arranged on the lower wall surface, and this arc groove does not extend to the through hole, and form a vertical retaining wall in inside, ammunition feed spring one end supports and pastes, and continues to form number clip groove on the inwall of fixed body, can make the corresponding clip build-in of drawing piece; In view of the above, forming one has multisection type and locks the pin of the core of the effect structure of signing an undertaking admittedly.