CN201241514Y

CN201241514Y - Positioning quincuncial lock

Info

Publication number: CN201241514Y
Application number: CNU2008201327148U
Authority: CN
Inventors: 曾宝星
Original assignee: Guanxing Industrial Co Ltd
Current assignee: Guanxing Industrial Co Ltd
Priority date: 2008-08-07
Filing date: 2008-08-07
Publication date: 2009-05-20
Anticipated expiration: 2018-08-07

Abstract

The utility model is a locating tubular pin tumbler lock, a pair of locating grooves and a ring groove are arranged on an internal surface of a lock case, a plurality of locking pins, locating pins and springs are arranged in a lock plug and a lower pin seat respectively, wherein the positions of the locking pins and the locating pins between the lock plug and the lower pin seat are arranged randomly, besides, the position of each locating pin is required to correspond to that of each locating groove of the lock case, further, one end of the pin seat is equipped with an octangular lock plug shaft, when unlocking, a key with an octangular hole is arranged on the octangular lock plug shaft, and then the locking pins are pressed to achieve a set depth, and the locating pins are pressed to achieve the depth of the ring groove, thereby achieving the purpose of driving the lock plug to rotate to unlock.

Description

The location Plum blossom type lock

Technical field

The utility model relates to a kind of lockset, particularly a kind of Plum blossom type lock.

Background technology

Common Plum blossom type lock, because of simple installation and the good advantage such as effect of saving from damage are arranged, and applied to widely as: on the furniture such as official document cabinet or desk, because can arranging, the round keyhole of Plum blossom type lock and core form the plum blossom shape, the key of unblanking that is used for arranging in pairs or groups is cylindrical, can make the burglar be difficult at short notice crack and unblank, to have increased the effect of saving from damage of official document cabinet, desk.

See also shown in Figure 1ly, existing Plum blossom type lock 1 mainly comprises: one is lock housing 11 cylindraceous, and outside wall surface is provided with a threaded portion 111, can be for establishing with a nut 12 mutual spiral shells, and the installation group is located in the installing hole 2 of aforementioned furniture; One is actively installed on the core 13 in the lock housing 11, one end is provided with a upper bead seat 131, the other end then is provided with an axle 132, axle 132 ends are provided with a stator 133, so that stator 133 can rotate with core 13, described upper bead seat 131 is to be equipped with a plurality of locks hole of bead 1311 in addition, and each lock hole of bead 1311 is to be movably equipped with a lock pearl 134, and described upper bead seat 131 centers are provided with a lock mandrel 135 in addition; One is set in the lower bead seat 14 of core 13, the center is provided with a through hole 141, described lower bead seat 14 is to be equipped with a plurality of lock pearl grooves 142, is to be movably equipped with a lock pearl 143 and a spring 144 in each lock pearl groove 142, and described lower bead seat 14 is to be installed in the lock housing 11 in addition; One key, 3, one ends are provided with the locking bar 31 of corresponding lock mandrel 135 shapes, and the other end then is provided with a grip part 32, and described locking bar 31 ora terminalis are provided with the notch part 33 of a plurality of corresponding lock pearls 134 in addition.During assembling, be that lower bead seat 14 is set on the axle 132 of core 13, so that upper bead seat 131 and lower bead seat 14 closing mutually, the lock pearl 134 of core 13 can be involutory with the lock pearl 143 of lower bead seat 14, and described lock housing 11 also relies on nut 12 lockings in installing hole 2.

Yet, be a key 3 to be inserted in the lock housing 11 be set on the lock mandrel 135 of core 13, the lock pearl 134 of core 13 just falls to putting the notch part 33 at key 3, rotates and core 13 forms rotating state and drive stator 133, to reach the purpose of unblanking; But because lock mandrel 135 is to be located at core 13 one sides in one-body molded mode mostly, lock mandrel 135 is difficult to be processed into other geometries; And existing Plum blossom type lock 1 often by the burglar with the approaching key 3 of shape, adjust the degree of depth that key 3 inserts repeatedly, so that the lock pearl 134 of core 13 separates with the lock pearl 143 of part lower bead seat 14, applying strength again opens Plum blossom type lock 1 by force, reduced the effect of saving from damage when using, must have been improved so have Plum blossom type lock 1 immaturity now.

Summary of the invention

At the deficiencies in the prior art, the purpose of this utility model is: a kind of location Plum blossom type lock is provided, increases the safety effect of lockset.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of location Plum blossom type lock is characterized in that, comprises at least:

One is lock housing cylindraceous, one end face is provided with a lockhole and and leans portion, and described lock housing outside wall surface is provided with a threaded portion, and internal face then offers at least one pair of locating slot and an annular groove, described lock housing is to be installed in the installing hole by a nut, and can penetrate described lockhole for a key;

One is actively installed on the core in the described lock housing, one end is provided with a upper bead seat, described upper bead seat simultaneously is provided with a lock mandrel, another side and extension are provided with an axostylus axostyle, described upper bead seat is to be equipped with a plurality of hole of beads, and at least one pair of locating slot, and the position of locating slot is to locating slot position that should lock housing, be movably equipped with a lock pearl in each hole of bead, each locating slot is provided with a positioning bead;

One is installed in the lower bead seat in the described lock housing, and the center is provided with one for the axis hole that wears axostylus axostyle, and described lower bead seat is equipped with a plurality of pearl grooves, is provided with a lock pearl and a spring in each pearl groove.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: during assembling, the axostylus axostyle activity of core is plugged in the lower bead seat, again core is put into lock housing together with one of lower bead seat, the length of each lock pearl is to design at random, and it is different that the position is set, and the assembled arrangement mode of increase lockset reaches antitheft effect; When unblanking, the key cover that will have the octagon hole is located on the octagon lock mandrel, the notch part that ring is established around the key is extruding lock pearl and positioning bead, so that the lock pearl arrives set depth, the degree of depth that positioning bead then arrives annular groove can drive the core rotation, the utility model is the design of adopting positioning bead in addition, compare at existing Plum blossom type lock, the utility model not only can be convenient to core and lower bead seat location and be assembled in the lock housing, and when lock pearl and positioning bead can't arrive set depth synchronously, then the utility model can't be opened, further increased the utility model in use save effect from damage.

Description of drawings

Fig. 1 is the three-dimensional exploded view of existing Plum blossom type lock;

Fig. 2 is the three-dimensional exploded view of the utility model preferred embodiment;

Fig. 3 is the assembled sectional view () of the utility model preferred embodiment;

Fig. 4 is the assembled sectional view (two) of the utility model preferred embodiment;

Fig. 5 is the scheme of installation of the utility model preferred embodiment;

Fig. 6 is the action schematic diagram of the utility model preferred embodiment when unblanking.

Description of reference numerals: 1-Plum blossom type lock; The 11-lock housing; The 111-threaded portion; The 12-nut; The 13-core; The 131-upper bead seat; 1311-locks the hole of bead; The 132-axle; The 133-stator; 134-locks pearl; The 135-lock mandrel; The 14-lower bead seat; The 141-through hole; 142-pearl groove; 143-locks pearl; The 144-spring; The 2-installing hole; The 3-key; The 31-locking bar; The 32-grip part; The 33-notch part; The 4-lock housing; 41-leans portion; The 42-lockhole; The 43-threaded portion; The 44-locating slot; The 45-annular groove; The 46-nut; The 5-core; The 51-upper bead seat; The 511-hole of bead; The 512-locating slot; The 52-lock mandrel; The 53-axostylus axostyle; The 531-threaded portion; The 54-stator; 55-locks pearl; The 56-positioning bead; The 561-location division; The 562-spring; The 6-lower bead seat; The 61-axis hole; 62-pearl groove; 63-locks pearl; The 64-spring; The 7-key; The 71-grip part; The 72-locking bar; The 721-hole slot; The 73-notch part; The 8-installing hole.

The specific embodiment

Understand content of the present utility model for your juror can be known, it is graphic only to arrange in pairs or groups in the following instructions, please consult.

See also shown in the 2nd～5 figure, the utility model mainly comprises:

One is lock housing 4 cylindraceous, one end face is to be equipped with one to lean portion 41, and this end face center is provided with a lockhole 42, and the outside wall surface of lock housing 4 is provided with a threaded portion 43, internal face in lock housing 4 then offers a pair of locating slot 44 and a pair of annular groove 45 (as shown in Figure 3, Figure 4), and locating slot 44 is vertical mutually with 45 of annular grooves; Described lock housing 4 can rely on a nut 46 and be installed in an installing hole 8 two sides in addition, and described lockhole 42 also can penetrate for a key 7 and unblank.

One is actively installed on the core 5 in the lock housing 4, one end is provided with a upper bead seat 51, described upper bead seat 51 one sides are to convex with an octagon lock mandrel 52 (core 5 left sides as shown in Figure 2), another side and extension are provided with an axostylus axostyle 53 (core 5 right sides as shown in Figure 2), axostylus axostyle 53 ends are provided with a threaded portion 531, and threaded portion 531 is provided with a stator 54 that is provided with clip; Described upper bead seat 51 is to be equipped with a plurality of hole of beads of running through 511 in addition, and a pair of locating slot 512, and the position of locating slot 512 is locating slot 44 positions of corresponding aforementioned lock housing 4, in each hole of bead 511 and be movably equipped with a lock pearl 55, each locating slot 512 respectively is movably equipped with a positioning bead 56, so that lock pearl 55 can move back and forth in the hole of bead 511 and locating slot 512 with positioning bead 56; Moreover, because the side of locating slot 512 is provided with a breach (among the figure not label), and be to convex with a location division 561 on the outer wall of positioning bead 56, an and spring 562, after positioning bead 56 is plugged in locating slot 512, can make the breach of location division 561 clips of positioning bead 56 at locating slot 512, location division 561 is the surfaces that protrude in core 5.

One is installed in the lower bead seat 6 in the lock housing 4, the center is provided with an axis hole 61 for the axostylus axostyle 53 that wears aforementioned core 5, lower bead seat 6 one end faces are to be equipped with a plurality of pearl grooves 62, be provided with a lock pearl 63 and a spring 64 in each pearl groove 62, and the length difference of each lock pearl 63, the maintainability when using to promote.

One key 7, one end are provided with a grip part 71, and front end is provided with the locking bar 72 of the hole slot 721 of corresponding lock mandrel 52 shapes of a tool, length, and is provided with a plurality of notch parts 73 on locking bar 72 ora terminalis, and each notch part 73 is lock pearl 63 length of corresponding lower bead seat 6; Described locking bar 72 is can be set on the lock mandrel 52 in addition, and 73 corresponding closings of notch part are locked pearl 55 to set depth with extruding on the lock pearl 55 of core 5.

When above-mentioned member is assembled, axostylus axostyle 53 activities of core 5 are plugged in the lower bead seat 6, again core 5 is put into lock housing 4 together with 6 one of lower bead seats, when putting into, the location division 561 of positioning bead 56 is to slide to be located in the locating slot 44 of lock housing 4, can rely on the lock pearl 63 of lower bead seat 6 that the lock pearl in the core 5 55 is released upper bead seat 51, convex with several lock pearls 55 around making lock mandrel 52, and along with the position that is provided with of the lock pearl 55 of different length changes, assembled arrangement mode in the time of can changing locking promotes the antitheft effect of saving from damage; Moreover, when the utility model is installed, be on a furniture, to be provided with an installing hole 8 in advance, so that lock housing 4 is penetrated installing hole 8, and by a nut 46 in addition spiral shell establish, the portion that leans 41 of lock housing 4 establishes the two sides that is fixed on installing hole 8 with nut 46 folders, but and stator 54 when locking clip on the furniture of opposite side.

See also Fig. 3, Fig. 4, shown in Figure 6, when the utility model is unblanked, the key 7 that will have the octagon hole is set on the octagon lock mandrel 52, the notch part 73 that ring is established around the key 7 is that pearl 55 is locked in extruding synchronously, 63 and positioning bead 56, will lock

pearl

55,63 are pressed into the arrival set depth, positioning bead 56 then arrives the degree of depth of annular groove 45,561 of the location divisions on positioning bead 56 surfaces fall to putting in annular groove 45, at this moment, the user can key 7, so that the lock pearl 55 of core 5 separates with the lock pearl 63 of lower bead seat 6, and drive core 5 rotates synchronously, and stator 54 rotated a set angle, make it can't clip furniture, and form unlocked conditions; And the burglar will be to crack the utility model with key 7 more deep modes, and the location division 561 that then can drive positioning bead 56 reciprocatingly slides in locating slot 44, can't aim at annular groove 45 positions and rotate to the side, therefore quite is difficult to crack; Moreover, when locking again, the user is backward rotation key 7 only, key 7 is resetted again, the spring 64 of lower bead seat 6 then can outwards eject the lock pearl 55 of lock pearl 63 together with

core

5,56 elastic returning original positions that rely on spring 562 of positioning bead in the locating slot 512 come back to the state of locking, and it is also quite convenient to use.

As mentioned above, the utility model will have following advantage when implementing:

See also Fig. 2～shown in Figure 5, the utility model mainly is to be provided with locating slot 44 and annular groove 45 in lock housing 4, be to convex with positioning bead 56 on the core 5, and utilize positioning bead 56 only can to rotate, and then increased the antitheft effect of saving from damage in the degree of depth that is provided with of annular groove 45.

Moreover, the combination of core 5 positioning beads 56 of the present utility model and lock housing 4 locating slots 44, the convenience in the time of can promoting assembling.

Because core 5 of the present utility model is provided with an octagon lock mandrel 52, and can be relative with the octagon hole slot 721 of the locking bar 72 of key 7, be difficult to more crack, and then significantly promote the antitheft effect of saving from damage.

More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.

Claims

1. a location Plum blossom type lock is characterized in that, comprises at least:

2. location according to claim 1 Plum blossom type lock is characterized in that: the axostylus axostyle of described core is provided with a threaded portion, and described threaded portion also is provided with a stator.

3. location according to claim 1 Plum blossom type lock, it is characterized in that: the locating slot side of described core is provided with a breach, convex with certain position portion on the described positioning bead outer wall, when described positioning bead is plugged in locating slot, described location division clip is at the breach of described locating slot, and protrudes in described core surface.

4. location according to claim 1 Plum blossom type lock is characterized in that: during assembling, described positioning bead slides and is located in the locating slot of described lock housing.

5. location according to claim 1 Plum blossom type lock is characterized in that: described key is provided with a grip part, and described key front end is provided with a pair of locking bar that should lock mandrel, is provided with a plurality of notch parts on described locking bar ora terminalis.

6. location according to claim 5 Plum blossom type lock is characterized in that: the lock mandrel of described core is octagon, is provided with an octagon hole slot in the locking bar of described key.