CN1908355B

CN1908355B - Straight inserting opening counter lock

Info

Publication number: CN1908355B
Application number: CN2006100199881A
Authority: CN
Inventors: 郑成恩
Original assignee: FUJIAN ZHONGFU CONSTRUCTION SUPERVISION Co Ltd
Current assignee: Fujian Zhongfu Engineering Construction Supervision Co., Ltd.
Priority date: 2006-08-11
Filing date: 2006-08-11
Publication date: 2011-03-23
Anticipated expiration: 2026-08-11
Also published as: CN1908355A

Abstract

The invention relates to a straight-insert opening type balance lock, which includes a lock body, a lock sleeve, a movable lock bolt, and a lock bolt return spring, and is characterized in that: a key channel, a balance lever, a first lock Plate and locking lever; when the key is not inserted, the balance lever is acted by the return spring, and its hook-shaped part buckles the flange of the first locking plate to prevent it from moving, and the upper hook head of the locking lever extends into the first locking plate under the action of the returning spring In the positioning hole of the second locking plate, the lower hook catches the positioning hole of the second locking plate to prevent it from moving, and the lock bolt linked with the second locking plate clamps the groove at the free end of the lock sleeve to prevent the lock sleeve from moving; when the key is inserted, each The balance lever is jacked up to the balance position, thereby releasing the first locking plate to open the lock. The present invention changes the mechanism of the existing tumbler lock. The lock must be opened by inserting the key paired with the lock into the key channel. Thieves cannot open the lock by forcibly twisting the lock cylinder through external force, which greatly improves the anti-theft performance of the lock.

Description

Straight inserting opening counter lock

Technical field

The present invention relates to lock, particularly a kind of straight inserting opening counter lock.

Background technology

Present existing mechanical lock is revolving cylinder lock basically, its mechanism all is earlier key to be inserted in the lockhole basically, the whole jack-up of pellet shot from a slingshot that are plugged on during with original locking between lock core and the lock body extremely break away from lock core fully, after making that lock core and lock body are in released state, then key drives the lock core rotation, thereby the rotation pulling locking bolt by lock core makes door-lock opening.This mechanical cylinder lock is easy to destroyed, even, destroy pellet shot from a slingshot because the robber adopts instrument also can reverse lock core by force by external force with whole pellet shot from a slingshot jack-up to breaking away from lock core fully, thereby the rotation pulling locking bolt by lock core makes door-lock opening.

Summary of the invention

The object of the present invention is to provide a kind of straight inserting opening counter lock, it has changed the mechanism of existing cylinder lock, key is not to open lock by rotating, lock could be opened in the key channel and must adopt the key that matches fully with lock to insert fully, the robber can't open lock by the mode that external force is reversed lock core by force, has therefore improved the theftproof performance of lock greatly.

Technical scheme of the present invention is to constitute like this, it comprises lock body and lock tube, one end and the lock body of lock tube are hinged, the lockhole of another free end and lock body flexibly connects, the lockhole inboard is provided with movable locking bolt and the slip positioner that is used to block lock tube free end inboard groove, be connected with back-moving spring between locking bolt and the lock body and be used to make locking bolt to keep leaving the trend of lock tube free end groove, it is characterized in that:

The key hole inboard of a, lock body is provided with key channel, balanced lever, first lockplate and locking lever; The multiple row balanced lever is layed in key channel top successively, and first lockplate is located at key channel below and can be at parallel slip between the hinged end of lock tube and the locking bolt promote-side, and locking lever is located at below first lockplate;

The middle part of b, balanced lever is articulated on the lock body, two ends, the left and right sides are respectively equipped with the downward shape portion of colluding, two ends, the first lockplate upside left and right sides are respectively equipped with defining flange and are used for when locking colluding shape portion and cooperating and stop that first lockplate moves with two, the shape portion of colluding of balanced lever one end is provided with first back-moving spring, be used for and will be pulled upwardly away from the shape portion of colluding of key channel one end, and near the shape portion of colluding of key channel one end to pressing down; Has the ups and downs surface that cooperates with each balanced lever with the key of this lock pairing, so that key is when inserting in the key channel, can be with each balanced lever jack-up to the equilbrium position, promptly the shape portion of colluding at each two ends, the balanced lever left and right sides is higher than the flange at two ends, the first lockplate left and right sides simultaneously;

C, first lockplate are provided with the inclined-plane or the cambered surface of hinged end pushing tow when rotating of being convenient to lock tube at its position adjacent with the lock tube hinged end, be connected with second back-moving spring between first lockplate and the lock body and be used to make first lockplate to keep to leaving the trend that the lockhole direction moves;

D, locking lever are articulated on the lock body, locking lever is bent upwards near an end of key channel, its upper hookhead slightly stretches in the locating hole of being located on first lockplate, the other end of locking lever is connected with reclinate eave tile down by Flexible Connector, this time eave tile buckles downwards in the locating hole of second lockplate, second lockplate and locking bolt interlock; Be provided with the trend that the 3rd back-moving spring is used to make down eave tile to keep down and press between the both ends or one end of described locking lever and the lock body, and the trend that upper hookhead keeps up jack-up.

Operating principle of the present invention is described as follows:

(1) during locking states, balanced lever colludes shape portion away from an end of key channel and is upturned under the first back-moving spring tension, the defining flange that the feasible shape portion of colluding near key channel one end tightly fastens first lockplate downwards can not be moved to the left first lockplate, at this moment, the upper hookhead of locking lever just in time is in the locating hole of first lockplate under the 3rd back-moving spring thrusting action, and eave tile buckles downwards in the locating hole of second lockplate under it, the locking bolt of and its interlock fixing by second lockplate, locking bolt is stuck in the groove of lock tube free end inboard, and can not outside lockhole, moves.

When (two) unblanking, in the time of will inserting in the key channel each balanced lever jack-up to the equilbrium position with the key of this lock pairing fully, the shape portion of colluding at all two ends, the balanced lever left and right sides and the flange at the first lockplate two ends are in released state (being the upper surface that bottom that shape portion is colluded at two ends all is higher than first drive plate, two end boss) simultaneously, this moment, first lockplate was released, first lockplate is moved to the left (promptly moving to the direction of leaving lockhole) under the second back-moving spring tension, force the upper hookhead of locking lever to move down the locating hole that breaks away from first lockplate, and upper hookhead moves up and breaks away from the locating hole of second lockplate, thereby remove constraint to second lockplate, second lockplate and locking bolt are moved to the left the groove that breaks away from lock tube free end inboard under action of reset spring, so the lock tube free end can outwards be opened.

When (three) shutting, earlier key is extracted in key channel, the lock tube free end is outwards overturn again and open, the lock tube hinged end promotes first lockplate when rotating inclined-plane or cambered surface move right first lockplate, and pushing tow locking bolt (and second lockplate) moves right to the lockhole position simultaneously; When first lockplate moves to right to its locating hole and the corresponding position of locking lever upper hookhead (locating hole of second lockplate just in time also be in locking lever under the corresponding position of eave tile), because key is extracted, and the flange that first lockplate just in time moves to its left end is in the below, right side that the balanced lever left end colludes shape portion, therefore balanced lever resets under the effect of first back-moving spring, the shape portion of colluding of its left end moves down the flange that fastens the first drive plate left end, first drive plate can not be moved to the left step down; Simultaneously, the upper hookhead of locking lever is moved upward in the locating hole that stretches into first lockplate under the 3rd action of reset spring, and the following eave tile of locking lever is buckled on downwards in the locating hole of second lockplate simultaneously; Only need afterwards the lock tube free end is moved in lockhole, be stuck in both sides before and after the locking bolt head to the free-ended groove of lock tube, promptly completely shut process.

Than prior art, the present invention is owing to adopt the parts of a column balancing lever as locking first lockplate, has only the key that adopts with this lock pairing, with all balanced lever jack-up to the equilbrium position, it is the flange that the shape portion of colluding at each two ends, the balanced lever left and right sides is higher than two ends, the first lockplate left and right sides simultaneously, just can discharge first lockplate and carry out next step release, therefore can not destroy lock by the mode of reversing lock core by force of routine during burglar's picking lock, thereby strengthen the theftproof performance of lock greatly.

Description of drawings

Fig. 1 is an organigram of the present invention.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is the upward view of Fig. 1.

Fig. 4 is the unlocking condition schematic diagram of Fig. 2.

Fig. 5 is a kind of embodiment that balanced lever cooperates with key.

Label declaration: 1, lock body, 11, lockhole, 12, key hole, 13, support the track that first lockplate moves, 14, the stainless steel outer sleeve body, 2, lock tube, 21, the hinged end of lock tube, 221, lock tube free end inboard groove, 22, the free end of lock tube, 3, movable locking bolt, 31, the slip positioner of locking bolt, 32, the locking bolt back-moving spring, 33, the locking bolt promote-side, 34, the locking bolt keyed end, 4, key channel, 5, balanced lever, 51, shape portion, 52 are colluded in the left side of balanced lever, shape portion is colluded on the right side of balanced lever, 53, first back-moving spring, 54, the jointed shaft of balanced lever, 6, first lockplate, 61, the left limit flange of first lockplate, 62, the right limit flange of first lockplate, 63, second back-moving spring, 64, the locating hole of first lockplate, 65, the inclined-plane of first lockplate or cambered surface, 7, locking lever, 71, the upper hookhead of locking lever, 72, the 3rd back-moving spring, 73, Flexible Connector, 74, the following eave tile of locking lever, 75, the jointed shaft of locking lever, 8, key, 9, second lockplate, 91, the locating hole of second lockplate.

The specific embodiment

It comprises the lock tube 2 of lock body 1 and U-shaped or U-shaped like the embodiment of the invention, one end 21 of lock tube is hinged with lock body, another free end 22 flexibly connects with the lockhole 11 of lock body, the lockhole inboard is provided with the movable locking bolt 3 that is used to block lock tube free end inboard groove 221 and slip positioner 31, and (described slip positioner can adopt sliding sleeve shown in Figure 1, or slide rail, or chute etc., its role is to qualification activity locking bolt moves in same rectilinear direction), be connected with back-moving spring 32 between locking bolt and the lock body and be used to make locking bolt to keep leaving the trend of lock tube free end groove, it is characterized in that:

Key hole 12 inboards of a, lock body are provided with key channel 4, balanced lever 5, first lockplate 6 and locking lever 7; The multiple row balanced lever is layed in key channel top successively, and first lockplate is located at key channel below and can be at parallel slip between the hinged end of lock tube and the locking bolt promote-side 33, and locking lever is located at below first lockplate;

The middle part of b, balanced lever 5 is articulated in (jointed shaft 54) on the lock body, two ends, the left and right sides are respectively equipped with the downward shape portion of colluding 51,52, two ends, the first lockplate upside left and right sides are respectively equipped with defining flange 61,62 and are used for when locking colluding shape portion and cooperating and stop that first lockplate moves with two, the shape portion of colluding of balanced lever one end is provided with first back-moving spring 53, be used for and will be pulled upwardly away from the shape portion 52 of colluding of key channel one end, and near the shape portion 51 of colluding of key channel one end to pressing down; Has the ups and downs surface that cooperates with each balanced lever with the key 8 of this lock pairing, so that key is when inserting in the key channel, can be with each balanced lever jack-up to the equilbrium position, promptly the shape portion of colluding at each two ends, the balanced lever left and right sides is higher than the flange at two ends, the first lockplate left and right sides simultaneously;

C, first lockplate are provided with at its position adjacent with the lock tube hinged end and are connected with second back-moving spring 63 between the inclined-plane of the hinged end of being convenient to lock tube pushing tow when rotating or cambered surface 65, the first lockplates and the lock body and are used to make first lockplate to keep to leaving the trend that the lockhole direction moves;

D, locking lever 7 are articulated in (jointed shaft 75 of locking lever) on the lock body, locking lever is bent upwards near an end of key channel, its upper hookhead 71 slightly stretches in the locating hole of being located on first lockplate 64, the other end of locking lever is connected with reclinate eave tile 74 down by Flexible Connector 73, this time eave tile buckles downwards in the locating hole 91 of second lockplate 9, second lockplate 9 and locking bolt interlock; Be provided with the trend that the 3rd back-moving spring 72 is used to make down eave tile to keep down and press between the both ends or one end of described locking lever and the lock body, the trend of jack-up (as shown in Figure 2 and upper hookhead keeps up, the 3rd back-moving spring 72 is located at the bottom side of upper hookhead, in the specific implementation, also can establish stage clip or downside is established extension spring, perhaps between upper hookhead and following eave tile and lock body, establish the 3rd back-moving spring simultaneously) to guarantee enough pressure or pulling force at the following upside of eave tile.Be connected by Flexible Connector between following eave tile and the locking lever, be for the free end that makes lock tube when crossing locking bolt keyed end head and enter lockhole, locking bolt has the activity space that retreats slightly left.

Be provided with in the lock body and be used to support the track 13 that first lockplate moves, this track can be positioning convex strip that is arranged on the first lockplate two bottom sides or gripper shoe or the support column that is arranged on below, first lockplate bottom.

The head design of the head of lock tube free end 22 and locking bolt keyed end 34 is that the inclined-plane that matches enters in the lockhole with the head that makes things convenient for the lock tube free end to cross the locking bolt keyed end.

The section of described key hole is designed to the arbitrary shape that cooperates with the key section according to the variation of key section, as in-line, S shape, cylindrical etc.

In the specific implementation, for key and the lockset that makes manufacturing has variation, to reduce repeatability, can take one of following dual mode or both combinations to design the structure of lock and corresponding key: (1) described balanced lever is by forming more than two or two, adjacent balanced lever has identical or different high and low position, the surface of described key has the male and fomale(M﹠F) with each balanced lever corresponding matching, so that key when inserting in the key channel, can make each balanced lever by jack-up to the equilbrium position;

(2) has ups and downs surface along its length on the bottom that each balanced lever is used for key contacts, the relevant position broad ways of described key has the concavo-convex relief that matches with this balanced lever, so that key is when inserting in the key channel, (this mode especially is fit to make key and the lock with broad section to the balanced lever that can make this correspondence position, as shown in Figure 5) to the equilbrium position by jack-up.

Each back-moving spring can be connected on the lock body by modes such as threaded connector or welding, and the outside of lock body can be nested with one deck stainless steel outer sleeve body 14 during making, thereby has both improved the aesthetic property of lock body outward appearance, prevents that again lock body is destroyed or by corrosion.

Claims

1. A kind of in-line opening balance lock, it comprises lock body (1) and lock casing (2), and one end (21) of lock casing is hinged with lock body, and the other free end (22) and the lock hole of lock body (11) Flexible connection, the inner side of the lock hole is provided with a movable lock bolt (3) and a sliding positioning device (31) for blocking the inner groove (221) of the free end of the lock sleeve, and a return spring is connected between the lock bolt and the lock body (32) Tendency for keeping the bolt away from the groove at the free end of the sleeve, characterized by:

a. The inside of the key socket (12) of the lock body is provided with a key channel (4), a balance lever (5), a first locking plate (6) and a lock lever (7); multiple rows of balance levers are laid on the top of the key channel in sequence , the first locking plate is arranged under the key channel and can slide in parallel between the hinged end of the lock sleeve and the locking bolt pushing end (33), and the locking lever is arranged under the first locking plate;

b. The middle part of the balance lever (5) is hinged on the lock body, and the left and right ends are respectively provided with downward hook-shaped parts (51, 52), and the left and right ends of the upper side of the first locking plate are respectively provided with limiting flanges (61 , 62) are used for cooperating with two hook-shaped parts to block the movement of the first locking plate when locking, and the hook-shaped part at one end of the balance lever is provided with a first return spring (53), which is used to move the hook-shaped part away from the key channel one end. (52) pull up, and the hook-shaped portion (51) close to one end of the keyway presses down; the key (8) paired with the lock has a concave-convex undulating surface that cooperates with each balance lever, so that the key is inserted into the keyway When it is inside, each balance lever can be jacked up to the balance position, that is, the hook-shaped parts at the left and right ends of each balance lever are higher than the flanges at the left and right ends of the first locking plate at the same time;

c. The first locking plate is provided with an inclined surface or an arc surface (65) at the position adjacent to the hinged end of the lock sleeve to facilitate the pushing of the hinged end of the lock sleeve when rotating, and the first locking plate is connected to the lock body. A second return spring (63) is used to keep the first locking plate moving towards the direction away from the locking hole;

d. The locking lever (7) is hinged on the lock body. The end of the locking lever close to the key channel is bent upwards. The upper hook (71) slightly extends into the positioning hole (64) on the first locking plate, and the locking lever The other end of the other end is connected with a downwardly bent lower hook (74) through an elastic connector (73), and the lower hook is buckled downward and placed in the positioning hole (91) of the second locking plate (9), and the second locking The plate (9) is linked with the lock bolt; a third return spring (72) is provided between the two ends or one end of the lock lever and the lock body to keep the lower hook head in a downward pressure trend, while the upper hook head keeps upward trend.

2. The in-line open balance lock according to claim 1, characterized in that: the bottom of each balance lever used to contact with the key has a concave-convex surface along the length direction, and the corresponding position of the key is along the width direction It has a concave-convex undulating surface matched with the balance lever, so that when the key is inserted into the keyway, the balance lever at the corresponding position can be pushed up to the balance position.