CN2583288Y

CN2583288Y - Trailer lock with reinforcing clamping effect

Info

Publication number: CN2583288Y
Application number: CN 02282846
Authority: CN
Inventors: 杨耀坤
Original assignee: Shopin Lock Co Ltd
Current assignee: Shopin Lock Co Ltd
Priority date: 2002-10-15
Filing date: 2002-10-15
Publication date: 2003-10-29
Anticipated expiration: 2012-10-15

Abstract

The utility model relates to a trailer lock with reinforcing clamping effect. The utility model comprises a lock body seat, a lock core, a dial plate, a clamping assembly, a lock casing, and a lock bolt, wherein, the axle center of the lock body seat is provided with a sheathing hole; the lock core is contained in the sheathing hole of the lock body seat, and a lock core bolt with a smaller diameter is formed at the end of the lock core; the center of the dial plate is fixedly provided with end rims which can be combined with the lock core bolt, and a long shaft of the dial plate extends towards both sides thereof and respectively forms a butting part in the shape of an annular arc; the clamping assembly comprises at least two clamping blocks and two elastic sheets; both bottom ends of each of the two clamping blocks extend outward and are respectively provided with a pivoting part; both top ends of each of the two clamping blocks extend toward one direction and are provided with a hooking and clamping part; both bottom ends of the two elastic sheets are fixed to both sides of the lock body seat, and both top ends of each of the two elastic sheets are respectively butted on the outer lateral surfaces of each of the two clamping blocks; the axle center of the lock casing is provided with a sheathing hole for sheathing and containing the lock body seat; one end of the lock bolt is provided with a head part, and the other end forms an inserting part and an annular clamping groove; the inserting part is used for being inserted between the two clamping blocks, and the annular clamping groove is used for embedding and clamping the hooking and clamping parts of the two clamping blocks.

Description

Has the trailer lock that strengthens the blocking effect

Technical field

The utility model is relevant with lockset, particularly about a kind of trailer lock structure with enhancing blocking effect.

Background technology

Known to the skill of just going ahead of the rest, general so-called trailer lock (as shown in Figure 1) promptly is in order to wear on the connect mechanism that is locked between trailer and counter, and its primary structure includes a core 81, one dead bolt colludes 82, one grading plate 83, one core shell 84, elements such as one outer lock shell 85 and a dead bolt bolt 86 are formed, wherein to collude 82 be to radially slide in the groove 841 on these core shell 84 end faces to this dead bolt, and collude a shape of falling L that extends on 82 tops by dead bolt and collude body 821, collude on the ring-type button knot ditch 861 that is stuck in these dead bolt bolt 86 ends (making up shown in the generalized section), and then make this dead bolt bolt 86 set firmly combination mutually with this core shell 84 and outer lock shell 85 as Fig. 2.

Only, above-mentioned existing trailer lock only colludes the set shape of falling L in 82 tops by this dead bolt and colludes body 821, collude the button knot ditch 861 that is stuck in these dead bolt bolt 86 ends, this dead bolt collude 82 and 86 on dead bolt bolt only have monolateral blocking strength, it is not strong in conjunction with fixing effect, especially for the connect mechanism between trailer and counter, the influence of collision and own wt constantly, all very likely make this dead bolt collude 82 and 86 on dead bolt bolt get loose, and then influence binding effect between trailer and counter, even the danger generation that more likely gets loose and run helter-skelter because of counter, and still remain to be improved.

The utility model content

Be to be to provide a kind of trailer lock that strengthens the blocking effect that has with, main purpose of the present utility model, it can make the dead bolt bolt of trailer lock and the blocking effect between body strengthen, to improve the binding effectiveness between trailer and counter.

For reaching above-mentioned purpose, provided by the utility model have a trailer lock that strengthens the blocking effect, and it includes: a lock body seat, and its axle center is provided with a trepanning, and the top then is concaved with an annular groove; One core is the trepanning that is located in this lock body seat, its terminal core bolt than minor diameter that forms; One swinging plate, its center are the core bolt ora terminalis that is fixedly arranged on this core, and its major axis then respectively forms circular-arc compeling to portion to two sides; One blocking assembly, it includes two clamping blocks and two shell fragments at least, and each is provided with an articulated section outward bottom two sides of each clamping block, is stuck in relative two sides of annular groove of this lock body seat in order to pivot, and the top is then extended toward a side direction and is provided with one and colludes the card division; The bottom of this two shell fragment is two sides that are fixedly arranged on this lock body seat, and the top then is pressed against the lateral surface of each clamping block respectively; One lock housing, its axle center have a stepped trepanning, and wherein bigger diameter end is to use to close for this lock body cover for seat to be installed with, and miner diameter end then penetrates for this locking bolt and is installed with; One locking bolt, the one end has a head, and end then forms a circular-arc portion that plugs in addition, and plugs portion is concaved with a ring-type toward cephalad direction side face pre-position draw-in groove in this;

Insert the stepped trepanning miner diameter end of this lock housing by the portion of plugging of this locking bolt, it is axle center and beat outward with its articulated section that this end that plugs portion will be forced this two clamping block by the strength that presses down, and when the portion that the plugs inlay card of this locking bolt is gone between this two clamping block, the colluding the card division and will be subjected to the buffer brake of this two shell fragment and fasten ring-type draw-in groove of this two clamping block in this locking bolt, and then form the state of lockmaking.

Wherein the place respectively offers a screw toward place, pedestal axle center in the middle of each draw-in groove of this lock body seat, in order to cooperate screw this two shell fragment that locks.

Wherein the core stud shaft heart of this core is concaved with a screw, in order to cooperate a screw this swinging plate and core bolt is set firmly to be integral.

Wherein the upper end of this two shell fragment is the pressure section that forms a bending, and is pressed against the lateral surface of each clamping block respectively.

Description of drawings

Below lift a preferred embodiment now and cooperate and graphic the utility model is further described, wherein:

Fig. 1 is the element exploded perspective view schematic diagram of existing trailer lock.

Fig. 2 is the combination dissected figure of Fig. 1.

Fig. 3 is the three-dimensional appearance schematic diagram of the utility model preferred embodiment trailer lock.

Fig. 4 is the exploded perspective view of Fig. 3.

Fig. 5 is the combination dissected figure of the utility model preferred embodiment trailer lock, and shows the state that this locking bolt does not fasten.

Fig. 6 is the identical cut-away view of Fig. 5, and shows that this locking bolt is the state of fastening.

Fig. 7 is the identical cut-away view of Fig. 5, and shows that this core is the state of unlatching.

The specific embodiment

At first see also Fig. 3 and shown in Figure 4, the utlity model has the trailer lock 2 that strengthens the blocking effect is to include a lock body seat 10, a core 20, a swinging plate 30, a blocking assembly 40, a lock housing 50 and a locking bolt 60, wherein:

It is one cylindric that this lock body seat 10 generally is, its axle center is provided with a trepanning 11 from lower to upper, its bottom periphery convexes with a ring edge 12, and axle center, top place offers a perforation 13 that connects with this trepanning 11, then each down is concaved with a draw-in groove 14,15 to relative two sides of this perforation 13, the place then offers a screw 16,17 toward sweet axon heart place in the middle of each draw-in groove 14,15, and these lock body seat 10 outer peripheral edges appropriate positions then offer a radial perforation 18 again.

This core 20 is the cylinders for a hollow, and just can be inserted in the trepanning 11 of this lock body seat 10, its bottom periphery convexes with a ring edge 21, the lockhole (not showing on the figure) that the axle center is provided with desired depth penetrates unlatching for key, it is terminal to form a perforation 13 that is passed this lock body seat 10 than the core bolt 22 of minor diameter, these core bolt 22 axle center are concaved with a screw 23, and respectively form a block holding part 24 in terminal two sides.

This swinging plate 30 generally is rectangular shape, its major axis respectively forms circular-arc compeling to two sides and supports portion 31, its center then offers a perforation 32, the block holding part 24 that these 32 2 sides of boring a hole then respectively offer a blocking hole 33 these cores 20 of confession again wears and fastens, and be locked on the screw 23 of this core bolt 22 again by a screw 35, impel this swinging plate 30 can be subjected to the drive of this core 20 and the rotation that produces equidirectional.

40 of this blocking assemblies include two clamping blocks 41, two shell fragments 42 and two Locking screws 43, wherein each extension outward of bottom two sides of this two clamping block 41 is provided with an articulated section 411,412, the top then is provided with one toward side direction extension and colludes card division 413, two articulated sections the 411, the 412nd of each clamping block 41 are stuck in the draw-in groove 14,15 of this lock body seat 10 in order to pivot, and it colludes card division 413 and then is the relative direction setting; This two shell fragment 42 is each lateral surface that are pressed against each clamping block 41 respectively, and its upper end forms the pressure section 421 of a bending, and the place then respectively has a perforation 422 in the middle of its bottom; After 43 of this two Locking screws respectively pass the perforation 422 of this two shell fragment 42, be locked on the screw 16,17 of this lock body seat 10 again, be incorporated into two sides of this lock body seat 10 and impel this blocking assembly 40 to be pivoted.

The axle center of this lock housing 50 has a stepped trepanning 51, wherein bigger diameter end is to use for these lock body seat 10 fits to be installed with, miner diameter end then penetrates for this locking bolt 60 and is installed with, its outer peripheral face also offers a perforation 52 with respect to radial perforation 18 places of this lock body seat 10, and must embed engaging by a pivot pin 55, and lock body seat 10 elements such as grade after the combination are installed with in trepanning 51 bigger diameter ends that are incorporated into this lock housing 50.

These locking bolt 60 1 ends form a head 61 than the great circle footpath, end then forms a circular-arc portion that plugs 62 in addition, and plugging portion 62 is concaved with a ring-type toward head 61 direction side face pre-positions draw-in groove 63 in this, this locking bolt 60 is to be able to it plug portion 62 and insert in trepanning 51 miner diameter ends of these lock housings 50.

See also shown in Figure 5, the core 20 of the utility model trailer lock 2 is not when inserting key, all be the locking state under its core 20 normalities, that is these swinging plate 30 major axis are the states that are away from this two clamping block 41 to the urgent of two sides to portion 31, this two clamping block 41 was subjected to this urging relatively of two shell fragment 42 and presented the state of drawing close relatively this moment, when the portion that plugs 62 of locking bolt 60 inserts, its end that plugs portion 62 will be forced this two clamping block 41 with its articulated section 411 by the strength that presses down, 412 are axle center beat outward, and when the portion that plugs 62 inlay cards of this locking bolt 60 are gone into 41 of this two clamping blocks, the colluding card division 413 and will be subjected to the buffer brake of this two shell fragment 42 and fasten ring-type draw-in groove 63 of this two clamping block 41 in this locking bolt 60, and then make this locking bolt 60 to deviate from respect to this two clamping block 41, and make the utility model trailer lock 2 form the state (as shown in Figure 6) of lockmaking.

And when the utility model trailer lock 2 desires are opened, be to insert core 20 rotations with key earlier, this core 20 will drive this swinging plate 30 synchronously and produce relative rotation simultaneously, these swinging plate 30 major axis this moment compeling to portion 31 to two sides with while this two clamping block 41 of roof pressure, impel this two clamping block 41 to move outward, and make the card division 413 of colluding of this two clamping block 41 break away from blocking (as shown in Figure 6) to these locking bolt 60 ring-type draw-in grooves 63, so this locking bolt 60 can outwards be extracted, and finishes the action of unblanking.

Characteristics of the present utility model are to utilize simply the clamping block 41 of this blocking assembly 40 to be subjected to the roof pressure of shell fragment 42, and can collude the ring-type draw-in groove 63 that blocks this locking bolt 60 two-wayly, its structure is very simple, and it is very good for the blocking effect of locking bolt 60, compared to existing trailer lock, the utility model but has tangible progressive.

Claims

1. one kind has the trailer lock that strengthens the blocking effect, it is characterized in that it includes:

One lock body seat, its axle center is provided with a trepanning, and the top outer peripheral edges are concaved with two symmetrical draw-in grooves;

One core is the trepanning that is located in this lock body seat, and it is terminal to form a trepanning that is passed this lock body seat than the core bolt of minor diameter;

One swinging plate, its center are to set firmly the terminal edge that is incorporated into this core bolt, and its major axis then respectively forms circular-arc compeling to portion to two sides;

One blocking assembly, it includes two clamping blocks and two shell fragments at least, and wherein this two clamping block is to be components identical, and each extension outward of bottom two sides of each clamping block is provided with an articulated section, be stuck in the draw-in groove of this lock body seat in order to pivot, the top is then extended toward a side direction and is provided with one and colludes the card division; The bottom of this two shell fragment is two sides that are fixedly arranged on this lock body seat, and the top then is pressed against the lateral surface of each clamping block respectively;

One lock housing, its axle center have a stepped trepanning, and wherein bigger diameter end is to use to close for this lock body cover for seat to be installed with, and miner diameter end then penetrates for this locking bolt and is installed with;

One locking bolt, the one end has a head, and end then forms a circular-arc portion that plugs in addition, and plugs portion is concaved with a ring-type toward cephalad direction side face pre-position draw-in groove in this.

2. have a trailer lock that strengthens the blocking effect according to claim 1 is described, it is characterized in that wherein the place respectively offers a screw toward place, pedestal axle center in the middle of each draw-in groove of this lock body seat, in order to cooperate screw this two shell fragment that locks.

3. have a trailer lock that strengthens the blocking effect according to claim 1 is described, it is characterized in that wherein the core stud shaft heart of this core is concaved with a screw, in order to cooperate a screw this swinging plate and core bolt set firmly and be integral.

4. according to the described trailer lock of claim 1, it is characterized in that wherein the upper end of this two shell fragment is the pressure section that forms a bending, and be pressed against the lateral surface of each clamping block respectively with enhancing blocking effect.