CN2154319Y - Improved luggage lock cylinder - Google Patents

Abstract

The utility model relates to an improved lock core of a leather suitcase lock, which belongs to the technical field of locks for boxes and traveling cases. The utility model discloses a lower part of cylindric lock core block has the position that reduces of less external diameter, has an annular body in the outside that reduces the position, and the annular body is connected at double-phase butt joint with the position that reduces, makes and is the cavity form between annular body and lock core block to the annular body can be in radial bullet shrink, respectively is equipped with a gliding block and gliding lug in the other two relative positions of annular body. The utility model discloses a lock core is integrated into one piece's overall structure, does not need the part assembly, has reduced the cost of material and assembly.

Description

Improved lock core for leather suitcase

The utility model is a kind of improved bag lock core, belongs to chest, the suitcase technical field of locking.

In modern society, the chance that people travel outdoors is more and more.No matter be the negotiation commercial affairs, tourism is investigated and participate in a conference, Training and Learning etc. all need be carried baggage items or documentation, people use various case and bag usually.The people's that novel in design, multiple functional suitcase or leather trunk are travelled outdoors especially welcome.

On the structure of suitcase or leather trunk, whether people usually pay close attention to its outward appearance elegant in appearance, and whether its inner space design is reasonable, perfect, and usually ignores its lock structure.And in fact, lockset design for suitcase or leather trunk in the travelling way carry and safety has important function.Good lockset should be to be convenient to folding, and when fastening portable, can not open because of the external force vibrations.Suitcase or the Lock for leather suitcase that uses generally all has the folding of being convenient at present, and the function that can not open under the external force vibrations.But in order to reach this effect, the part of existing suitcase or Lock for leather suitcase, particularly lock core structure is many, and assembling is complicated, and cost increases.

The purpose of this utility model is to improve the bag lock lock core structure, and core is one-body molded, simplifies the design of core, reduces the component of core, reduces the part and the assembly cost of core.

Bag lock core of the present utility model, comprise a columned core block, one discoid plates are arranged at core block top, there is a keyhole at the center of plates, and core block one side and plates joint have a location projection, laterally provide a T shape hole at the locating convex block lower edge, the bottom face of core block has one to be half-terete shelves stops, of the present utility model being characterised in that:

The external diameter at the following position, T shape hole of core block is less than the external diameter on block top, there is a ring bodies in the dwindle position outside little at external diameter, ring bodies and core block dwindle the position and interconnect at two relative abutments, two relative positions in addition at ring bodies, respectively be provided with a piece that slides that oblique cambered surface arranged, slide the upper end of piece and respectively slide projection.

Bag lock core of the present utility model is integrated overall structure.Needn't assemble with part, reduce the lockset cost.

Describe existing bag lock structure and lock core structure of the present utility model in detail below in conjunction with accompanying drawing.

Fig. 1 is the three-dimensional exploded view of existing bag lock lockset.

Fig. 2 is the sectional view of existing bag lock lock core structure.

Fig. 3 is the structure sectional view of a preferred embodiment of the utility model bag lock core.

Fig. 4 is the core block and the schematic diagram of ring bodies in two relative engagement position of Fig. 3 embodiment.

From the existing lock structure of Fig. 1 and Fig. 2 as seen, it has an elongated lockset framework 1, at framework one end one rectangular shallow slot 11 is arranged, two ends at shallow slot 11, be respectively equipped with shaft-jointed hole 111 and movable slotted eye 112, between shaft-jointed hole 111 and movable slotted eye 112, a spring socket 113 arranged; One end of one pressure holding piece 12 links to each other with lockset framework 1 by shaft-jointed hole 111, and its size just can be placed in the shallow slot 11, and the other end of pressure holding piece 12 has tooth sheet 121 downward vertically to reach chimeric block 122 down; Back-moving spring 114 is housed in spring socket 113; Like this, pressure holding piece 12 can be movable up and down around axle.

At the other end of framework 1, have one to carry out hole 13, carry out laterally establishing a support bar 131 in the hole 13; One places the implementation piece 14 of carrying out hole 13, and an end of carrying out piece 14 has an implementation portion 141, and this end is provided with a spring 142, and the other end has chimeric block 143 on, runs through in the inboard of last chimeric block 143 to be provided with a block hole 144;

At the middle position of framework 1, run through the lock core base hole 15 that is provided with a circle, the inside wall in lock core base hole 15 is provided with several projections 151; One core block 16 places lock core base hole 15, and core block 16 is cylindric, and a discoid discoid body 161 is arranged at core block top, and keyhole 162 is arranged in the middle of discoid body; Junction at the sidewall and the discoid body 161 of core block 16, be provided with the locating piece 163 of a projection, and be provided with a circular hole 164 at core block 16 sidewalls, in circular hole, insert spring 165 and steel ball 166 successively, lower end at the core block, be provided with a retaining ring groove 167,, a stop block 168 arranged at the bottom face of core block.One C shape clasp 169 is buckled in the retaining ring groove 167 of core block 16 and the core block is positioned in the lock core base hole 15.

When bag lock fastens use, the 12 downward and shallow slot pressings of pressure holding piece, at this moment, carry out piece 14 and be subjected to the elastic force effect of its spring that is connected with 142 and be moved to the left, it on chimeric block 143 just and following chimeric block 122 tablings of pressure holding piece 12, in the keyhole 162 of user with key insertion core block 16, with turn core block 16, when core block 16 is screwed into the appropriate location, just can in block hole 144, carry out piece by block, thereby make the Lock for leather suitcase snap lock.

In the lock core structure of above-mentioned conventional lock, core is assembled by a plurality of parts, at first must in core block 16 sidewall circular holes 164, fill out and establish spring 165 and steel ball 166, when the core block is rotated in lock core base hole 15, because steel ball 166 is relied on the elastic force of spring 165, steel ball 166 is rolled along the inwall in lock core base hole 15, make core block 16 can be close to the smooth and easy turn of a hole 15 inwalls.Then, C shape latch closure 169 is fastened in the retaining ring groove 167 of core block 16, make core block 16 be positioned at unlikely coming off in the lock core base hole 15.This lock core structure part is many, and assembling is complicated, and causes the lockset cost to raise.

The sectional view of the core of the preferred embodiment of the present utility model through improveing and the schematic diagram that the core block is connected with ring bodies thereof are as shown in Figure 3 and Figure 4, it is integrated overall structure, has a core block 2 that is the cylinder bulk, end face at block 2 is plates 21 in the form of annular discs, at the middle position of plates 21, establish a keyhole and pass through whole core block; A side and plates 21 junctions at core block 2, one location projection 23 is arranged, at the locating convex block lower edge, then laterally provide a T shape hole 24, core block at 24 following positions, T type hole adopts the design of hollow ring body, there is a ring bodies 25 at the contraction position that promptly has less external diameter outside this contraction position, ring bodies 25 and core shrink between the position and be hollow form.Another relative position place (roughly with abutment 26 radially mutually vertical) radially at ring bodies 25, respectively be provided with one oblique cambered surface arranged slide piece 27, in the upper end of sliding piece 27, respectively be provided with one and slide projection 28, at the bottom face of core block 2, have one to be half-terete stop block 29.

Owing to combine with 2 between core block 2 and the ring bodies 25, all the other positions are hollow form, therefore, when the core 2 that is made of one piece with the material that omits tool plasticity assembles with lock core base hole 15, the piece 27 that slides on the core block 2 is subjected to the compressing of lock core base hole 15 walls and slightly inwardly contracts, and behind the location, slides piece 17 and slide projection 28 to be tight against wall within the lock core base hole 15, thereby when making 2 turns of core block, unlikely outwards skidding off comes off.

The utility model needn't use the spring in traditional lock core structure with one-body molded technology, and parts such as steel ball, C shape clasp are saved material, and have exempted the assembly process of core, thereby has reduced the cost of lockset.

Claims (2)

1, a kind of bag lock core of improvement, comprise a columned core block (2), one discoid plates (21) are arranged at the top of core block (2), there is a keyhole (22) at the center of plates, and the joint of core block (2) and plates (21) has a location projection (23), laterally provide a T shape hole (24) at the locating convex block lower edge, the bottom face of core block (2) has one to be half-terete shelves stops (29), of the present utility model being characterised in that:

The external diameter at the following position, T shape hole (24) of core block is less than the external diameter on core block top, there is a ring bodies (25) in the outside, reduced diameter position at core block (2), the position that dwindles of ring bodies (25) and core block (2) interconnects at two relative abutments (26), two relative positions in addition at ring bodies (25), respectively be provided with one oblique cambered surface arranged slide piece (27), slide the upper end of piece (27) and respectively slide projection (28).

2, by the described bag lock core of claim 1, it is characterized in that described core is integrated overall structure.

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