CN2471889Y

CN2471889Y - U Shape lock

Info

Publication number: CN2471889Y
Application number: CN 01218671
Authority: CN
Inventors: 郭富胜
Original assignee: MINGTAI HARDWARE INDUSTRY Co Ltd
Current assignee: MINGTAI HARDWARE INDUSTRY Co Ltd
Priority date: 2001-04-13
Filing date: 2001-04-13
Publication date: 2002-01-16
Anticipated expiration: 2011-04-13

Abstract

The utility model relates to an U-shaped lock, which comprises an U-shaped locking bar and a case of lock; wherein, the case of lock mainly comprises a lock core with a rotating block on one end; a plurality of lock pawls of a movable U-shaped locking bar are separately arranged on both sides of the rotating block of the lock barrel; an external casing is fixedly arranged on the outer side of the case of lock; a groove for keeping the spring is arranged on the opposite position under the two lock pawls separately in the case of lock; the extension rod on the bottom surface of the lock pawl part directly props on the side end of the spring and make the lock pawl locked in the U-shaped locking bar, using the larger action surface of the rotating block to prop the side end of the lock pawl part to reach the effectiveness of best locking and avoid the swaying phenomenon after locking.

Description

U-shape lock

The utility model is about a kind of U-shape lock.

The U-shape lock of commonly seeing has multiple structure kenel, as the dentation spin-block that utilizes the lock core end action that cooperates the dentation locking part to unblank, lock, or as utilize the spin-block of lock core end to cooperate action that spring control locking part unblanks, locks etc., and the U-shape lock structure of above-mentioned each kenel also respectively has its advantage.

In aforementioned, utilize of the U-shape lock design of lock core end spin-block in conjunction with spring control locking part, disclose as TaiWan, China patent announcement No. 309873 " U-shape lock structural improvement " or No. 426003 novel patent cases such as " the mid-lock safety structure improvement of padlock " of TaiWan, China patent announcement, the U-shape lock lock body of above-mentioned " U-shape lock structural improvement " mainly utilizes the spin-block butt locking part of lock core end bulk, and utilize torque spring to connect locking part, make this lockset when unblanking, reset but the elastic force of mat spring drives locking part; U-shape lock lock body as for " the mid-lock safety structure improvement of padlock " then is to utilize the compression spring to replace torque spring to connect locking part.

The aforementioned U-shape lock that utilizes the torque spring formula, because of torque spring two free ends must be compressed fixing, can bring into play its elastic reaction, so that operate comparatively effort, so the spring U-shape lock of commonly using at present mostly is the lock body structure that utilizes compressed spring type in the assembling and the use of lock body.

Aforementioned utilization compression spring drives the U-shape lock structure that locking part resets, though utilize the U-shape lock of torque spring easy in assembling, use, its structure design remains following shortcoming:

1, this U-shape lock promotes the spring of locking part, is the scarce portion place that is installed on the locking part side, so spring can produce the lateral deviation displacement when pushing against locking part, causes lockset more not smooth in the use operation.

2, the spring of this U-shape lock need be sheathed on the projection that extends in the locking part recess, because of the spring type body is little, and easy stressed spring, thus the comparatively inconvenience of when assembling, so that can influence the operating speed of whole production line.

3, this U-shape lock lacks portion and comes putting spring because of the locking part side need form one, thus make this locking part be pushed that the type body of the portion of pulling is little, intensity is low, so that it locks the poor effect of U-shape lock bar.

4, in this U-shape lock in order to being a some state of contact between the spin-block that promotes locking part locking U-shape lock bar and locking part, so after locking, the phenomenon that easily shakes between the two, the steadiness deficiency after it is locked.

The purpose of this utility model is to be to provide a kind of U-shape lock, and this U-shape lock is simple and efficient in assembling, and lock pulls respond wellly, can avoid locking part easily to rock, lock the problem of back steadiness deficiency.

In order to achieve the above object, the utility model provides a kind of U-shape lock, comprises a U-shape lock bar and a lock body, and it is characterized in that: this lock body comprises:

One body, its central authorities are provided with a lock core hole that radially runs through, and a locking bar jack that radially runs through is respectively established at its two ends, establishes an axial loose slot that is communicated with lock core hole, two locking bar jacks on this body, and relative lock core hole both sides are established a storage tank respectively at the bottom of this loose slot;

One lock core is to be installed in the lock core hole of body, and its keyhole and is a rotatable connection end away from the end of keyhole down;

One spin-block is a microscler block, and it is installed in the place, connection end of body interior lock core, and its two long opposite end portions form plane action plane;

Two springs are to be arranged at respectively in two storage tanks of body;

Two locking parts, be elongated block, it is arranged in the loose slot of body spin-block both sides relatively, one end butt spin-block side, in addition end stretches in the locking bar jack of body lock this U-shape lock bar of pulling, and this two locking parts bottom surface is respectively equipped with a butt bar that stretches into butt spring in the body storage tank;

One hollow shell body, form on its both ends two pairs should body locking bar jack perforation, a pair of mesopore that should the body lock core hole is formed on the bottom, and sheathed this body outside of being fixed in of this hollow shell body is in lock core, spin-block, spring and the locking part that is installed on body be coated on;

This U-shape lock bar, it has the two slotting ends of pulling that are inserted in this lock body inside lock lever jack, and this two is inserted the end of pulling and forms the relative lock groove of pulling, and two locking parts of this lock body plug lock respectively and pull in this two lock is pulled groove.

Described U-shape lock is characterized in that: this body can be established two corresponding spacing block sets in this lock core hole peritreme place relatively, and this lock core hole peritreme forms the spacing space of two fan-shaped joint shapes.

Described U-shape lock is characterized in that: this locking part forms in abutting connection with the end of spin-block side scarce portion that should the body spacing block set.

U-shape lock of the present utility model, comprise that a U-shape lock bar and is in order to the pull lock body of locking bar of lock, its lock body mainly is the lock core of installing one end tool spin-block in body, relatively lock core spin-block both sides are installed the pull locking part of U-shape lock bar of a movable lock respectively, set firmly a shell body in the body outside, wherein make and establish a storage tank in the body below relative two locking parts respectively, so that spring is arranged in wherein, make the locking part can be directly against the spring side with the butt bar of its bottom surface, to promote the convenience of lock body assembling, and make locking part lock the U-shape lock bar of pulling with bigger type body and intensity, and the bigger action plane pushing and pressing locking part side of spin-block, and can form pull effect and avoid effects such as lock rocks after pulling of preferable lock, and then provide a kind of have more handy, the U-shape lock of practical function.

Via above stated specification, when learning that advantage of the present utility model is:

1, in the utility model in order to promote the spring of locking part, be in the device body with respect to the locking part below, and spacing by the body storage tank, so the state that can not be shifted at spring can make lockset more smooth-going on use is operated.

2, the utility model medi-spring, locking part all take directly to be placed in the main body structure design, can make the assembling of lock body more easy easily, and can quicken the operating speed of production line.

3, the utility model medi-spring and locking part are the design of separate type, and spring is positioned at the locking part bottom surface, so locking part need not be arranged with an accommodation space and comes putting spring, and type body that locking part can be bigger and intensity lock the U-shape lock bar, make this lockset possess the preferable lock effect of pulling.

4, take the design of plane action plane in the utility model in order to the spin-block side that promotes locking part locking U-shape lock bar, make the active area that spin-block can be bigger push against the locking part side, avoid locking part to rock, and can promote the steadiness after its locking.

For enabling further to understand architectural feature of the present utility model and other purposes, cooperate graphic detailed description as back with preferred embodiment now:

Brief description of drawings:

Fig. 1: be perspective exploded view of the present utility model.

Fig. 2: be the forward sight generalized section of the utility model when locking.

Fig. 3: be the top cross-sectional view of the utility model when locking.

Fig. 4: be the forward sight generalized section after the utility model is unblanked.

Fig. 5: be the top cross-sectional view after the utility model is unblanked.

At first see also shown in Figure 1ly, U-shape lock of the present utility model is to comprise a U-shape lock bar (1) and in order to the pull lock body (2) of locking bar (1) of lock, and wherein lock body (2) is to comprise:

One body (20), be the microscler body of rod, its central authorities form a lock core hole that radially runs through (21), two ends respectively form a locking bar jack (22) that radially runs through, go up the loose slot (23) that forms an axial connection lock core hole (21), two locking bar jacks (22) in body (20), the relative lock core hole in loose slot (23) end (21) both sides form a storage tank (26) respectively, lock core hole (21) peritreme place is provided with two corresponding spacing block sets (24) relatively, makes this lock core hole (21) peritreme form the spacing space (25) of two fan-shaped joint shapes;

One lock core (30) is in the lock core hole (21) that is installed on body (20), and its key hole is a rotatable connection end (31) away from the end of keyhole down;

One spin-block (40), it is a microscler block, its connection end (31) that is installed in lock core (30) is located, and be installed on body (20) inside with lock core (30) and be arranged in spacing space (25), spacing because of spacing space (25), only can do the forward and reverse rotation of 90 degree, and two long opposite end portions of spin-block (40) can form plane action plane (41);

Two springs (50) are in the storage tank (26) that is installed on body (20) respectively;

Two locking parts (60), it is elongated block, it is installed in the loose slot (23) of body (20) spin-block (40) both sides relatively, one end and spin-block (40) side butt, hold in addition in the locking bar jack (22) that can under spin-block (40) promotes, enter body (20) and lock the U-shape lock bar (1) of pulling, two locking parts (60) bottom surface is respectively equipped with a butt bar (61) that stretches into the interior butt spring of body (20) storage tank (26) (50), forms the scarce portion (62) of corresponding body (20) spacing block set (24) in abutting connection with the end of spin-block (40) side; And

One shell body (70), it is a ducted body, form the perforation (71) of two corresponding body (20) locking bar jacks (22) on its both ends, the mesopore (72) of one corresponding body (20) lock core hole (21) is formed on the bottom, and can sheathedly be fixed in aforementioned body (20) outside, in lock core (30), spin-block (40), spring (50) and the locking part (60) that will be installed on body (20) is coated on, and constitute a lock body (2).

Aforesaid U-shape lock bar (1) has two and can plug into the slotting end of pulling (10) in the lock body (2), and this two is inserted and pull end (10) and form the relative lock groove (11) of pulling, and provides the locking part (60) of lock body (2) to plug the usefulness that lock is pulled.

The utility model is when locking, see also Fig. 2, shown in Figure 3, it is to pass by the lock thing of pulling with U-shape lock bar (1), in the multiple locking bar jack (22) with U-shape lock bar (1) two slotting end (10) the insertion lock body (2) of pulling, in addition to insert the key rotation spin-block (40) in lock core (30) keyhole, make spin-block (40) length the action plane of the two long opposite ends lock that promotes to stretch into U-shape lock bar (1) in both sides locking parts (60) end pull and be the lock state of pulling in the groove (11).

When unblanking, see also Fig. 4, shown in Figure 5, it is to insert the key rotation spin-block (40) in lock core (30) keyhole, make spin-block with the side of its shorter length towards both sides locking part (60), and locking part (60) is promptly under spring (50) back stretch drives, the lock of recessing U-shape lock bar (1) groove (11) of pulling is unlocking condition, and U-shape lock bar (1) gets final product in the self-locking body (2) and extracts out.

In sum, the utility model is taken off every advantage before really having possessed, and also possesses the obvious effect enhancement compared to the U-shape lock structure of commonly using spring driving answer.

Claims

1, a kind of U-shape lock comprises a U-shape lock bar and a lock body, and it is characterized in that: this lock body comprises:

Two springs are to be arranged at respectively in two storage tanks of body;

2, U-shape lock as claimed in claim 1 is characterized in that: this body is established two corresponding spacing block sets in this lock core hole peritreme place relatively, and this lock core hole peritreme forms the spacing space of two fan-shaped joint shapes.

3, U-shape lock as claimed in claim 2 is characterized in that: this locking part forms in abutting connection with the end of spin-block side scarce portion that should the body spacing block set.