CN200952270Y

CN200952270Y - Direct-inserting unlocking balance lock

Info

Publication number: CN200952270Y
Application number: CN 200620098823
Authority: CN
Inventors: 郑成恩
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-01
Filing date: 2006-09-01
Publication date: 2007-09-26
Anticipated expiration: 2016-09-01

Abstract

The utility model relates to a balance lock with direct insert open-type, which comprises a lock body, a lock sheath, a movable lock bolt, and a reset spring for the lock bolt, which is characterized in that: the inner side of key insert hole of the lock body is provided with a key channel, a balance lever, a first locking plate, and a locking lever; when the key doesn't insert into the lock, being acted upon by the reset spring, the balance lever fastens the first locking plate preventing from moving, the upper hook of the locking lever extends into the positioning hole of the first locking plate under the action of the reset spring, the lower hook fastens the positioning hole preventing from moving, and the lock bolt interacted with the second locking plate sticks the groove of free end of the lock sheath preventing the lock sheath from moving; when the key inserts into the lock, each balance lever can be levered to the balance position, thereby releasing the first locking plate to open the lock. The utility model changes the prior mechanism of the pin tumbler lock, which shall adopt the key matched with the lock to insert into the key channel to open the lock, thus the thieves can not open the locks by using the outside force to twist the plugs, greatly improving the lock thief resistant performance.

Description

Straight inserting opening counter lock

Technical field

The utility model 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 purpose of this utility model 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.

The technical solution of the utility model 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 thereof 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 be provided with key channel, successively be layed in key channel top a column balancing lever, be located at the key channel below and can and be located at locking lever below first lockplate at first lockplate of parallel slip between the hinged end of lock tube and the locking bolt promote-side;

The middle part of b, balanced lever is articulated on the lock body, and an end is positioned at key channel top, and both ends or one end are provided with back-moving spring, be used for the end away from key channel is pulled upwardly, and near an end of key channel to pressing down; Have with the key of this lock pairing and to be used for when inserting key channel, the ups and downs surface of each balanced lever jack-up to equilibrium state; Described equilibrium state refers to, in the time of in key does not insert key channel, each balanced lever is in non-equilibrium position, be each balanced lever near an end of key channel under its action of reset spring, press down and fasten first lockplate and move to the direction of leaving lockhole to hinder it, and when key inserts in the key channel, each balanced lever near an end of key channel by jack-up to the equilbrium position, thereby releasing is to the obstruction of first lockplate;

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 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 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.

The utility model operating principle is described as follows:

(1) during locking states, balanced lever is upturned under the back-moving spring tension away from an end of key channel, make and live first lockplate near the downward clinching of an end of key channel, first lockplate can not be moved to the direction away from lockhole, at this moment, the upper hookhead of locking lever just in time is in the locating hole of first lockplate under its 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, first lockplate is released, first lockplate is moved to the left (promptly moving to the direction of leaving lockhole) under its 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, again the lock tube free end is outwards overturn and open, the lock tube hinged end promotes first lockplate when rotating inclined-plane or cambered surface move right (near the direction of lockhole) 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, therefore balanced lever resets under the effect of its back-moving spring, one end of its close key channel is to pressing down, fasten first lockplate, first lockplate 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 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 utility model 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, 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 the utility model embodiment 1 organigram.

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.

Fig. 6 is the utility model embodiment 2 organigrams.

Fig. 7 is the B-B sectional view of Fig. 6.

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, 15, the interval block between the balanced lever; 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, balanced lever is near an end of key channel, 52, balanced lever is away from an end of key channel, 53, the back-moving spring of balanced lever, 54, the jointed shaft of balanced lever, 55, be placed on the sliding sleeve on the balanced lever end; 6, first lockplate, the left limit flange, 62 of 61, first lockplate, the right limit flange of first lockplate, the back-moving spring of 63, first lockplate, 64, the locating hole of first lockplate, 65, the inclined-plane of first lockplate or cambered surface, 66, positive stop, 67, the groove of stepping down; 7, locking lever, 71, the upper hookhead of locking lever, 72, the back-moving spring of locking lever, 73, Flexible Connector, 74, the following eave tile of locking lever, 75, the jointed shaft of locking lever; 8, key; 9, second lockplate, the locating hole of 91, second lockplate.

The specific embodiment

It comprises the lock tube 2 of lock body 1 and U-shaped or U-shaped like the utility model embodiment, 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 thereof, 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 be provided with key channel 4, successively be layed in key channel top a column balancing lever 5, be located at the key channel below and can and be located at locking lever 7 below first lockplate at first lockplate 6 of parallel slip between the hinged end of lock tube and the locking bolt promote-side 33;

The middle part of b, balanced lever 5 is articulated in (jointed shaft 54) on the lock body, and an end is positioned at key channel top, and both ends or one end are provided with back-moving spring 53, be used for the end 52 away from key channel is pulled upwardly, and near an end 51 of key channel to pressing down; Have with the key 8 of this lock pairing and to be used for when inserting key channel, the ups and downs surface of each balanced lever jack-up to equilibrium state; Described equilibrium state refers to, when key 8 does not insert in the key channel, each balanced lever is in non-equilibrium position, be each balanced lever near an end 51 of key channel under its back-moving spring 53 effects, press down and fasten first lockplate and move to the direction of leaving lockhole to hinder it, and when key inserts in the key channel, each balanced lever near an end of key channel by jack-up to the equilbrium position, thereby releasing is to the obstruction of first lockplate;

C, first lockplate are provided with at its position adjacent with the lock tube hinged end and are connected with 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 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, 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 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.

Described balanced lever inserts key channel by forming more than two or two smoothly for the ease of key, is with sliding sleeve 55 on the end above balanced lever is in key channel; And when preventing that key from inserting key channel, balanced lever is promoted to move by key, is provided with block 15 at interval between the adjacent balanced lever.

For key and the lockset that makes manufacturing has variation,, can take one of following dual mode or both combinations to design the structure of lock and corresponding key to reduce repeatability:

(1) adjacent balanced lever has identical or different high and low position, and 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.

In the specific implementation, the concrete structure of the balanced lever and first lockplate can adopt following two kinds of embodiment settings, but is not limited to both of these case:

Embodiment 1

As Fig. 1-shown in Figure 5, the two ends of balanced lever 5 are respectively equipped with the downward shape portion of colluding 51,52, the first lockplate upside two ends correspondences and collude the position of

shape portion

51,52 and be respectively equipped with defining

flange

61,62; In the time of in key does not insert key channel, each balanced lever near an end 51 of key channel under its back-moving spring 53 effects to pressing down, fasten the defining flange of the first lockplate respective side, move to the direction of leaving lockhole to hinder it; When key inserts in the key channel, each balanced lever by jack-up to the equilbrium position, promptly each balanced lever two ends collude the flange that shape portion is higher than the first lockplate two ends simultaneously, thereby can remove obstruction to first lockplate.

Embodiment 2

As shown in Figure 6 and Figure 7, described first lockplate is provided with positive stop 66 upwards, and this positive stop is in balanced lever near an end 51 of key channel and towards a side of lockhole, the middle part of positive stop is provided with the groove 67 of stepping down; In the time of in key does not insert key channel, each balanced lever near an end 51 of key channel under its back-moving spring 53 effects to pressing down, contact with the protuberance of positive stop, hinder first lockplate and move to the direction of leaving lockhole; In the time of in key inserts key channel, each balanced lever by jack-up to the equilbrium position, it is each balanced lever rises to the groove of stepping down on the positive stop simultaneously near an end 51 of key channel position, thereby can remove obstruction (each balanced lever can relatively move near an end 51 of key channel, and promptly first lockplate can be moved to the left) in the groove of stepping down to first lockplate.

Claims

1, a kind of straight inserting opening counter lock, it comprises lock body (1) and lock tube (2), 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 movable locking bolt (3) and the slip positioner (31) thereof that is used to block lock tube free end inboard groove (221), 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:

The key hole of a, lock body (12) inboard be provided with key channel (4), successively be layed in key channel top a column balancing lever (5), be located at the key channel below and can and be located at locking lever (7) below first lockplate at first lockplate (6) of parallel slip between the hinged end of lock tube and locking bolt promote-side (33);

The middle part of b, balanced lever (5) is articulated on the lock body, and an end is positioned at key channel top, and both ends or one end are provided with back-moving spring (53), be used for the end (52) away from key channel is pulled upwardly, and near the end (51) of key channel to pressing down; Have with the key (8) of this lock pairing and to be used for when inserting key channel, the ups and downs surface of each balanced lever jack-up to equilibrium state; Described equilibrium state refers to, when key (8) does not insert in the key channel, each balanced lever is in non-equilibrium position, be each balanced lever near the end (51) of key channel under its back-moving spring (53) effect, press down and fasten first lockplate and move to the direction of leaving lockhole to hinder it, and when key inserts in the key channel, each balanced lever near the end (51) of key channel by jack-up to the equilbrium position, thereby releasing is to the obstruction of first lockplate;

C, first lockplate are provided with the inclined-plane or the cambered surface (65) 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 back-moving spring (63) 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 (7) are articulated 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 of second lockplate (9) (91), second lockplate (9) and locking bolt interlock; Be provided with the trend that 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, and the trend that upper hookhead keeps up jack-up.

2. straight inserting opening counter lock according to claim 1, it is characterized in that: the two ends of balanced lever (5) are respectively equipped with the downward shape portion of colluding (51,52), and the position that the first lockplate upside two ends correspondence is colluded shape portion (51,52) is respectively equipped with defining flange (61,62); In the time of in key does not insert key channel, each balanced lever near the end (51) of key channel under its back-moving spring (53) effect to pressing down, fasten the defining flange of the first lockplate respective side, move to the direction of leaving lockhole to hinder it; When key inserts in the key channel, each balanced lever by jack-up to the equilbrium position, promptly each balanced lever two ends collude the flange that shape portion is higher than the first lockplate two ends simultaneously, thereby can remove obstruction to first lockplate.

3. straight inserting opening counter lock according to claim 1, it is characterized in that: described first lockplate is provided with positive stop (66) upwards, this positive stop is in balanced lever near the end (51) of key channel and towards a side of lockhole, the middle part of positive stop is provided with the groove of stepping down (67); In the time of in key does not insert key channel, each balanced lever near the end (51) of key channel under its back-moving spring (53) effect to pressing down, contact with the protuberance of positive stop, hinder first lockplate and move to the direction of leaving lockhole; In the time of in key inserts key channel, to the equilbrium position, promptly each balanced lever rises to the position of the groove of stepping down on the positive stop near an end (51) of key channel to each balanced lever simultaneously by jack-up, thereby can remove the obstruction to first lockplate.

4. according to claim 1 or 2 or 3 described straight inserting opening counter locks, it is characterized in that: be provided with in the lock body and be used to support the track (13) that first lockplate moves.

5. straight inserting opening counter lock according to claim 4 is characterized in that: 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.

6. straight inserting opening counter lock according to claim 5 is characterized in that: the arbitrary shape of the section of described key hole for cooperating with the key section.

7. straight inserting opening counter lock according to claim 6, it is characterized in that: described balanced lever is by forming more than two or two, be with sliding sleeve (55) on the end above balanced lever is in key channel, be provided with block (15) at interval between the adjacent balanced lever.

8. straight inserting opening counter lock according to claim 7, it is characterized in that: 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.

9. straight inserting opening counter lock according to claim 8, it is characterized in that: have ups and downs surface on the bottom that each balanced lever is used for key contacts along its length, the relevant position broad ways of described key has the concavo-convex relief that matches with this balanced lever, so that the balanced lever that key when inserting in the key channel, can make this correspondence position by jack-up to the equilbrium position.