CN211397034U - Novel coded lock - Google Patents

Abstract

The utility model relates to the technical field of locks, in particular to a novel coded lock, which comprises a circular lock body arranged at the opening and closing side of a box body, a fixed seat connected with the first surface of the lock body, a lock hook and a clutch block capable of limiting the rotation of the lock body, wherein the middle part of the lock body is provided with a torsional spring capable of driving the lock body to rotate relative to the fixed seat, the central axis of the lock body is coincided with the central axis of the fixed seat, and the lock body comprises a locking position and an unlocking position; when the latch hook is buckled into the latch body from the unlocking position, the latch hook touches the clutch block to enable the fixing seat to remove the limitation on the rotation of the latch body, the latch body can rotate under the drive of the torsional spring to automatically rotate to lock the latch hook, the latch hook enters the locking position from the unlocking position, the latch hook is automatically rotated to lock the latch hook, articles in the box are prevented from falling out, when the box is filled with articles, people can close the box, the latch hook can be automatically locked, the box is prevented from being pressed by one hand, the complex operation of rotating the latch body by one hand can realize the one-hand locking of the box, and the locking of.

Description

Novel coded lock

Technical Field

The utility model relates to a tool to lock technical field, concretely relates to novel trick lock.

Background

Along with the development of economy, the frequency of people's trip is more and more high, and people's trip all can carry the suitcase so that carry article, when using the suitcase, at present comparatively common use trick lock to manage, however the thing that people's trip was carried is often more, and luggage in the box is more, leads to needing one hand of people to press and hold case and bag when locking or unblock, and another hand is locked or is unblock, and the operation is complicated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough among the prior art, and provide a novel trick lock, this novel trick lock's easy operation just can realize the one-hand lock case.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a novel coded lock, including install the circular shape lock body of the side that opens and shuts of box and with fixing base, latch hook and the separation and reunion piece that can restrict the lock body pivoted that is connected of the first surface of lock body, the first surface of fixing base is fixed on box down, the second surface of fixing base is articulated with the middle part of lock body, the mid-mounting of lock body has the torsional spring that can drive the lock body relatively the fixing base pivoted, the central axis of lock body and the central axis coincidence of fixing base, the lock body includes locking position and unblock position, the first surface of latch hook is fixed on last box, the second surface of latch hook is equipped with the protruding hook portion of hook and stretches into locking position and with the lock body block, the separation and reunion piece is installed on the lock body, when the lock body rotates towards unblock direction and makes the separation and reunion piece with the fixing, the lock hook can enter an unlocking position from a locking position, when the lock hook is buckled into the lock body from the unlocking position, the lock hook can trigger the clutch block to enable the fixed seat to remove the limitation on the lock body, and the lock body is driven by the torsion spring to rotate to enable the lock hook to enter the locking position from the unlocking position.

The fixing base comprises a first convex block, the first convex block faces the direction of the lock body to extend, the clutch block comprises a first clutch block and a second clutch block, the first clutch block and the second clutch block are hinged together through a torsion spring, the first clutch block is located on the side of the unlocking position and extends into the unlocking position in a protruding mode of a partial structure of the first clutch block, one end of the second clutch block can be abutted to the first clutch block, and the other end of the second clutch block can limit the rotation of the first convex block.

Wherein, still include with lock body articulated connecting block, can restrict lock body pivoted locking piece, locking piece with the connecting block all is located the second surface of lock body, the fixing base orientation the direction extension of lock body has the second lug, be equipped with the straight flute that runs through its first surface and second surface on the lock body, the straight flute corresponds the position setting of second lug, the connecting block be equipped with the fixture block of second lug joint, the fixture block can insert in the straight flute and orientation the direction of second lug is extended, works as the locking piece drives during the rotation of connecting block, the fixture block can with the second lug dislocation, makes the fixing base relieve right the rotation restriction of lock body.

Wherein the locking piece comprises a coded lock, the coded lock comprises a movable sheet, a code adjusting wheel spring, a code adjusting wheel and a coded wheel which are arranged on the movable sheet and are coaxially arranged, the movable sheet is provided with an accommodating groove for accommodating the code adjusting wheel and a convex part which protrudes inwards from the side edge of the accommodating groove, the code adjusting wheel is provided with a notch clamped with the convex part, the connecting block comprises a first shifting block, the movable sheet extends towards the connecting block to form a third convex block, when the password of the password wheel is correctly input, the convex part can be inserted into the notch to enable the movable sheet to move towards the unlocking direction, the movable sheet moves to drive the third bump to push the first shifting block, the connecting block rotates by taking the central axis of the connecting block as a hinge point, so that the clamping block and the second convex block are staggered, and the fixed seat is enabled to release the rotation limitation on the lock body.

The locking piece further comprises a key lock, the key lock is installed on the side of the connecting block, the connecting block comprises a second shifting block, the key lock comprises a lock cylinder and a third shifting block connected with the lock cylinder, when a key is inserted into the lock cylinder and rotates, the lock cylinder rotates to drive the third shifting block to rotate, so that the third shifting block pushes the second shifting block and enables the connecting block to rotate by taking the central axis of the connecting block as a hinge point, the clamping block and the second protruding block are staggered, and the fixing seat relieves the rotation limitation of the lock body.

The connecting block further comprises an elastic piece, one end of the elastic piece is elastically abutted to the first shifting block, the other end of the elastic piece is elastically abutted to the lock body, when the third convex block pushes the first shifting block or the third shifting block pushes the second shifting block to enable the connecting block to rotate, the elastic piece is in a compression state, and when the third convex block releases the abutting pressure of the first shifting block or the third shifting block releases the abutting pressure of the second shifting block, the elastic piece drives the connecting block to return and rotate by taking the central axis of the connecting block as a hinge point under the action of elastic force.

The unlocking position and the locking position are both located on the side edge of the lock body, the locking position comprises a slot which is convenient for inserting the hook part of the lock hook, the unlocking position comprises a notch which is located on the side edge of the slot and communicated with the slot, and the notch penetrates through the side wall of the lock body outwards.

Wherein, be equipped with an arc on the fixing base, the central axis of arc with the central axial coincidence of lock body, the lock body corresponds arc department is equipped with the fixed block, hold on the fixed block can with the ball elastic component of its elasticity butt and the ball of being connected ball elastic component tip, the ball is located ball elastic component with between the arc, just the ball with the arc is roll connection.

Wherein, both ends of arc all are equipped with one and can hold the spacing recess of ball.

The utility model has the advantages that: the utility model discloses a novel coded lock, the first surface of fixing base and the first surface of latch hook are positioned respectively on lower box and upper box, and the second surface of fixing base and lock body pass through the torsional spring and articulate together, the latch hook passes through hook portion block on locking position, the separation and reunion piece can restrict the rotation of lock body, when the lock body rotates towards the unblock direction and makes separation and reunion piece and fixing base joint, make the lock body be positioned in this position, the latch hook can enter into the unblock position from locking position, the latch hook can unblock; when the latch hook is buckled into the latch body from the unlocking position, the latch hook touches the clutch block to enable the fixing base to remove the limitation on the rotation of the latch body, the latch body can rotate under the drive of the torsional spring to automatically rotate to lock the latch hook, the latch hook enters the locking position from the unlocking position, the latch hook can be locked, namely, after the box is closed, the latch hook only needs to be inserted inwards, the latch hook is automatically rotated to lock the latch body, articles in the box are prevented from falling out, in addition, when the box is filled with articles, people can close the box, the latch hook can be automatically locked, the box is prevented from being pressed by one hand, the complex operation of rotating the latch body by one hand can be realized, the box.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is a schematic structural view of the novel combination lock of the present invention.

Fig. 2 is another view of the novel combination lock of the present invention.

Fig. 3 is a schematic structural view of the novel combination lock of the present invention after the face cover is removed.

Fig. 4 is a schematic view of fig. 3 from another perspective.

Fig. 5 is a schematic structural view of the fixing base of the novel combination lock of the present invention.

Fig. 1 to 5 include:

the lock comprises a lock body 1, an unlocking position 12, a notch 120, a locking position 13, a slot 130, a torsion spring 14, a straight groove 15, a fixed seat 2, a first lug 20, a second lug 21, an arc plate 22, a fixed block 220, a ball 221, a ball elastic piece 222, a limiting groove 23, a first clutch block 30, a hollow cylinder 300, a first extending block 301, a second clutch block 31, a second extending block 310, a connecting block 4, a cylinder 40, a fixture block 41, a first shifting block 42, a second shifting block 43, a protrusion 44, a locking piece 5, a coded lock 50, a movable piece 500, a code wheel spring 501, a code wheel 502, a coded wheel 503, an accommodating groove 504, a convex part 505, a notch 506, a third lug 507, a key lock 51, a lock core 510, a third shifting block 511, a lock hook 6, a hook part 62, a face shell 7 and a soft rubber ring 70.

Detailed Description

The invention will be further described with reference to the following examples.

The novel coded lock of the present invention, as shown in fig. 1-4, comprises a lock body 1, a face housing 7 covering the lock body 1, and a soft rubber ring 70 annularly surrounding the side wall of the face housing 7, wherein the soft rubber ring 70 is fixedly connected to the face housing 7, the lock body 1 is a circular lock body 1, the lock body 1 comprises a first surface and a second surface (the first surface and the second surface in this embodiment are two oppositely disposed surfaces), the first surface can be installed at the opening and closing side of the box body, the face housing 7 covers the second surface, the novel coded lock further comprises a fixing base 2 connected to the first surface of the lock body 1, a locking hook 6 and a clutch block, the lock body 1 comprises an unlocking position 12 and a locking position 13, the unlocking position 12 and the locking position 13 are both located at the side edge of the lock body 1, the locking position 13 comprises a slot 130, the slot 130 is inwardly communicated with the inside of the lock body 1, the unlocking position 12 includes a notch 120, and the notch 120 is located at a side of the slot 130 and communicates with the slot 130 and outwardly penetrates through a side wall of the lock body 1, so that the shackle 6 locked with the slot 130 can be outwardly disengaged from the lock body 1 through the notch 120.

As shown in fig. 3 and 5, the fixing base 2 is installed on the lock body 1, the first surface of the fixing base 2 is fixed on the lower box body, the second surface of the fixing base 2 is hinged to the middle of the lock body 1, the middle of the lock body 1 is provided with the torsion spring 14, the torsion spring 14 can drive the lock body 1 to rotate relative to the fixing base 2, the central axis of the lock body 1 coincides with the central axis of the fixing base 2, when the lock body 1 is twisted to rotate, the lock body 1 can rotate relative to the fixing base 2, and the torsion spring 14 can drive the lock body 1 to return to rotate. Be equipped with first lug 20 on the second surface 24 of fixing base 2, second lug 21 and arc 22, first lug 20, second lug 21 and arc 22 all extend towards the direction of lock body 1, this first lug 20 is located the side of fixing base 2, this second lug 21 is the right angle connecting plate of buckling, this arc 22 is the arc setting, and the central axis of arc 22 and the central axis of lock body 1 and the central axis of fixing base 2 all coincide, the lateral surface at these arc 22 both ends all is equipped with a spacing recess 23. The lock body 1 is equipped with the fixed block 220 corresponding to arc 22 department, hold on this fixed block 220 can with the ball elastic component 222 rather than elasticity butt and the ball 221 of being connected ball elastic component 222 tip, ball 221 is located between ball elastic component 222 and the arc 22, and ball 221 is rolling connection with arc 22, when lock body 1 rotates, ball 221 on the lock body 1 rolls relative to arc 22, and adopt ball 221 to make and be rolling connection between lock body 1 and the fixing base 2, realize feeling better function, make the rotation of lock body 1 more smooth and easy. The ball 221 can enter the limiting groove 23, when the ball 221 is located in the limiting grooves 23 of the two ends of the arc plate 22, the lock body 1 can be prevented from excessively rotating, and the ball 221 and the limiting groove 23 play a limiting role.

The first surface of latch hook 6 is fixed on last box, and latch hook 6 and fixing base 2 position correspond, the second surface of latch hook 6 is equipped with that hook 62 is protruding to stretch into this slot 130 and with lock body 1 block, lock body 1 can rotate with respect to latch hook 6 and fixing base 2, when the unblock, lock body 1 rotates towards the direction of unblock, latch hook 6 can enter into breach 120 from slot 130 in, and outwards break away from lock body 1 from breach 120, when locking, insert lock body 1 from breach 120 with latch hook 6 and realize locking.

As shown in fig. 2 and 3, the clutch block includes a first clutch block 30 and a second clutch block 31 mounted on the lock body 1, and the first clutch block 30 and the second clutch block 31 are hinged together with the lock body 1 through a torsion spring 14, the first clutch block 30 is located between the notch 120 of the unlocking position 12 and the second clutch block 31, the first clutch block 30 includes a hollow cylinder 300 hinged with the lock body 1 through the torsion spring 14, two V-shaped first extension blocks 301 connected to the side of the hollow cylinder 300, one first extension block 301 protrudes into the notch 120, the other first extension block 301 can abut against the second clutch block 31, the second clutch block 31 includes two V-shaped or linear second extension blocks 310 of the hollow cylinder 300 and the hollow cylinder 300, one second extension block 310 abuts against the first extension block 301 of the approaching side of the first clutch block 30, the other second extension block 310 can abut against the first projection 20 of the fixing seat 2, which acts to restrict rotation of the lock body 1. When unlocking, the lock body 1 is rotated to enable the lock hook 6 to enter the unlocking position from the locking position (namely, the lock body 1 rotates 90 degrees anticlockwise from the slot 130 into the notch 120), the second extending block 310 of the second clutch block 31 is clamped with the first lug 20 of the fixed seat 2, the lock body 1 is positioned at the 90-degree position, the lock hook 6 can be separated from the lock body 1 outwards from the unlocking position, the first clutch block 30 can be triggered but the second clutch block 31 cannot be triggered when the lock hook 6 is separated outwards, the position of the lock body 1 is fixed, and the lock hook 6 can be unlocked. When locking, when the latch hook 6 is inserted into the lock body 1 from the notch 120, the latch hook 6 touches one first extending block 301 of the first clutch block 30, so that the hollow cylinder 300 of the first clutch block 30 rotates and drives the other first extending block 301 to abut against a second extending block 310 on the corresponding side of the second clutch block 31, so that the second clutch block 31 rotates, the second extending block 310 on the other side of the second clutch block 31 is dislocated with the first protruding block 20 of the fixed seat 2, so that the fixed seat 2 releases the limitation on the rotation of the lock body 1, at this time, the lock body 1 automatically rotates a partial angle under the drive of the torsion spring 14, so that the latch hook 6 enters the locked position from the unlocked position, and the latch hook 6 can be locked. Above-mentioned structure sets up, in the unblock, only need let rotate lock body 1 to 90 make separation and reunion piece and fixing base 2 joint for lock body 1 location is in 90 positions, and latch hook 6 can unblock, and when latch hook 6 outwards breaks away from lock body 1, because latch hook 6 only touches first separation and reunion piece 30 and do not touch second separation and reunion piece 31, therefore lock body 1 still stops in original 90 positions, and such structure sets up the benefit and does: can directly close when locking the case, can not be because latch hook 6 outwards breaks away from lock body 1 then lock body 1 replies to rotate and to make lock body 1 of latch hook 6 striking when locking the case, the structure sets up ingeniously, and easy operation. When the box is locked, only the lock hook 6 needs to be inserted into the lock body 1, the first clutch block 30 is triggered when the lock hook 6 is inserted, the first clutch block 30 drives the second clutch block 31 to rotate, so that the second clutch block 31 is dislocated with the first bump 20, the rotation limitation of the fixed seat 2 on the lock body 1 is removed, the lock body 1 can automatically rotate to lock the lock hook 6, and after the box is closed, only the lock hook 6 needs to be inserted inwards, the lock body 1 automatically rotates to lock the lock hook 6, so that articles in the box are prevented from falling out; and, when the case was filled with the thing, people can close the case, plug in latch hook 6, and latch hook 6 just can be locked automatically, avoids pressing the case on one hand, and the complicated operation of rotatory lock body 1 on one hand can realize the one-hand lock case, and the case is locked conveniently.

As shown in fig. 4, the novel combination lock further comprises a connecting block 4 and a locking piece 5, the connecting block 4 can be hinged with the lock body 1, the locking piece 5 can limit the rotation of the lock body 1, the locking piece 5 and the connecting block 4 are both located on the second surface of the lock body 1, the lock body 1 is provided with a straight groove 15 penetrating through the first surface and the second surface of the lock body 1, the straight slot 15 is rectangular, the connecting block 4 comprises a column 40 which can be hinged and rotated relative to the lock body 1, the column 40 is provided with a fixture block 41, a first shifting block 42 and a second shifting block 43 which are arranged opposite to the fixture block 41, the fixture block 41 can be inserted into the straight slot 15 and extend towards the direction of the second convex block 21, and is clamped with the second convex block 21, the end part of the first shifting block 42 is provided with a bulge 44, the protrusion 44 is connected to an elastic member, one end of the elastic member is elastically abutted to the lock body 1, the other end of the elastic member covers the periphery of the protrusion 44, and the second shifting block 43 is located on the side edge of the first shifting block 42.

The locking piece 5 comprises a coded lock 50 and a key lock 51, the coded lock 50 comprises a movable plate 500, a code adjusting wheel spring 501, a code adjusting wheel 502 and a coded wheel 503 which are coaxially arranged on the movable plate 500, the movable plate 500 is provided with an accommodating groove 504 for accommodating the code adjusting wheel 502 and a convex part 505 which protrudes inwards from the side edge of the accommodating groove 504, the code adjusting wheel 502 is provided with a notch 506 which is clamped with the convex part 505, the movable plate 500 extends towards the connecting block 4 to form a third convex block 507, the third convex block 507 can be abutted against the first shifting block 42 and can push the first shifting block 42 to rotate, when the code of the coded wheel 503 is correctly input, the convex part 505 can be inserted into the notch 506 to enable the movable plate 500 to move towards the unlocking direction, the movable plate 500 moves to drive the third convex block 507 to push the first shifting block 42, the connecting block 4 rotates by taking the central axis of the cylinder 40 as a hinge point, at the elastic piece is in a compressed state, the clamping block 41 is dislocated with the second protruding block 21, so that the rotation limitation of the lock body 1 on the fixing seat 2 is removed, the lock body 1 can be rotated at the moment, and when the third protruding block 507 removes the abutting pressure on the first shifting block 42, the elastic member drives the cylinder 40 of the connecting block 4 to rotate in a recovery mode by taking the central axis of the cylinder as a hinge point under the action of the elastic force.

The key lock 51 is installed on the side of the connecting block 4, the key lock 51 includes a lock cylinder 510 and a third shifting block 511 connected with the lock cylinder 510, when a key is inserted into the lock cylinder 510 and the lock cylinder 510 is rotated, the lock cylinder 510 rotates to drive the third shifting block 511 to rotate, so that the third shifting block 511 pushes the second shifting block 43 to rotate, and the cylinder 40 of the connecting block 4 rotates with the central axis thereof as a hinge point, because the connecting block 4 rotates, the elastic member is in a compression state, the clamping block 41 is dislocated with the second protruding block 21, the fixing base 2 removes the rotation restriction on the lock body 1, at this time, the lock body 1 can be rotated, and when the third shifting block 511 removes the abutting pressure on the second shifting block 43, the elastic member drives the cylinder 40 of the connecting block 4 to rotate with the central axis thereof as the hinge point under the.

In the application, the first surface of the fixed seat 2 and the first surface of the lock hook 6 are respectively positioned on the lower box body and the upper box body, the second surface of the fixed seat 2 is hinged with the lock body 1 through the torsion spring 14, the lock hook 6 is clamped on the locking position 13 through the hook part 62, the clutch block can limit the rotation of the lock body 1, when the lock body 1 rotates towards the unlocking direction to enable the clutch block to be clamped with the fixed seat 2, the lock body 1 is positioned at the position, the lock hook 6 can enter the unlocking position 12 from the locking position 13, and the lock hook 6 can be unlocked; when the latch hook 6 is buckled into the lock body 1 from the unlocking position 12, the latch hook 6 touches the clutch block to enable the fixing seat 2 to remove the limitation on the rotation of the lock body 1, the lock body 1 can be driven by the torsion spring 14 to rotate to automatically rotate to lock the latch hook 6, the latch hook 6 enters the locking position 13 from the unlocking position 12, the latch hook 6 can be locked, namely, after the box is closed, the latch hook 6 only needs to be inserted inwards, the lock body 1 automatically rotates to lock the latch hook 6, the object in the box is prevented from falling out, in addition, when the box is filled with objects, people can close the box, the latch hook 6 can be automatically locked, the box is prevented from being pressed by one hand, the complex operation of rotating the lock body 1 by one hand can be realized, the box.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (9)

1. A novel coded lock is characterized in that: the lock comprises a circular lock body arranged on the opening and closing side of a box body, a fixing seat connected with a first surface of the lock body, a lock hook and a clutch block capable of limiting the lock body to rotate, wherein the first surface of the fixing seat is fixed on the lower box body, a second surface of the fixing seat is hinged with the middle part of the lock body, the middle part of the lock body is provided with a torsion spring capable of driving the lock body to rotate relative to the fixing seat, the central axis of the lock body is superposed with the central axis of the fixing seat, the lock body comprises a locking position and an unlocking position, the first surface of the lock hook is fixed on the upper box body, the second surface of the lock hook is provided with a hook part which protrudes into the locking position and is clamped with the lock body, the clutch block is arranged on the lock body, when the lock body rotates towards the unlocking direction, the clutch block is clamped with the fixing seat, the, when the lock hook is buckled into the lock body from the unlocking position, the lock hook can trigger the clutch block to enable the fixed seat to remove the limitation on the lock body, and the lock body is driven by the torsion spring to rotate to enable the lock hook to enter the locking position from the unlocking position.

2. The novel combination lock of claim 1, wherein: the fixing base includes first lug, first lug orientation the direction of lock body extends, the separation and reunion piece includes first separation and reunion piece and second separation and reunion piece, first separation and reunion piece with the second separation and reunion piece all through a torsional spring with the lock body is together articulated, first separation and reunion piece is located the side of unblock position just in the partial structure of first separation and reunion piece is protruding to stretch into the unblock position, the one end of second separation and reunion piece can with first separation and reunion piece butt, the other end of second separation and reunion piece can restrict the rotation of first lug.

3. The novel combination lock of claim 1, wherein: still include with lock body articulated connecting block, can restrict lock body pivoted locking piece, locking piece with the connecting block all is located the second surface of lock body, the fixing base orientation the direction extension of lock body has the second lug, be equipped with the straight flute that runs through its first surface and second surface on the lock body, the straight flute corresponds the position setting of second lug, the connecting block be equipped with the fixture block of second lug joint, the fixture block can insert in the straight flute and towards the direction of second lug extends, works as the locking piece drives during the rotation of connecting block, the fixture block can with the second lug dislocation, makes the fixing base relieve right the rotation restriction of lock body.

4. A novel combination lock as claimed in claim 3, wherein: the locking piece comprises a coded lock, the coded lock comprises a movable sheet, a code adjusting wheel spring, a code adjusting wheel and a coded wheel which are arranged on the movable sheet and are coaxially arranged, the movable sheet is provided with an accommodating groove for accommodating the code adjusting wheel and a convex part which protrudes inwards from the side edge of the accommodating groove, the code adjusting wheel is provided with a notch clamped with the convex part, the connecting block comprises a first shifting block, the movable sheet extends towards the connecting block to form a third convex block, when the password of the password wheel is correctly input, the convex part can be inserted into the notch to enable the movable sheet to move towards the unlocking direction, the movable sheet moves to drive the third bump to push the first shifting block, the connecting block rotates by taking the central axis of the connecting block as a hinge point, so that the clamping block and the second convex block are staggered, and the fixed seat is enabled to release the rotation limitation on the lock body.

5. The novel combination lock of claim 4, wherein: the locking piece still includes the key lock, the key lock is installed the side of connecting block, the connecting block includes the second shifting block, the key lock includes the lock core and connects the third shifting block of lock core, when insert the key extremely the lock core rotates when the lock core, the lock core rotates and drives the third shifting block rotates, so that the third shifting block promotes the second shifting block, and makes the connecting block uses its central axis to rotate as the pin joint, makes the fixture block with the second lug dislocation, the fixing base is removed right the rotation restriction of lock body.

6. The novel combination lock of claim 5, wherein: the connecting block further comprises an elastic piece, one end of the elastic piece is elastically abutted to the first shifting block, the other end of the elastic piece is elastically abutted to the lock body, when the third convex block pushes the first shifting block or the third shifting block pushes the second shifting block to enable the connecting block to rotate, the elastic piece is in a compression state, and when the third convex block releases the abutting pressure of the first shifting block or the third shifting block releases the abutting pressure of the second shifting block, the elastic piece drives the connecting block to return and rotate by taking the central axis of the connecting block as a hinge point under the action of the elastic force.

7. A novel combination lock according to any one of claims 1 to 6, wherein: the unlocking position with the locking position all is located the side of lock body, just the locking position is including being convenient for the inserted slot of hook portion of latch hook, the unlocking position includes a breach, and this breach is located the side and the intercommunication of slot the slot, the breach outwards runs through the lateral wall of lock body.

8. A novel combination lock according to any one of claims 1 to 6, wherein: be equipped with an arc on the fixing base, the central axis of arc with the central axial coincidence of lock body, the lock body corresponds arc department is equipped with the fixed block, hold on the fixed block can with the ball elastic component of its elasticity butt and the ball of being connected ball elastic component tip, the ball is located ball elastic component with between the arc, just the ball with the arc is roll connection.

9. The novel combination lock of claim 8, wherein: the two ends of the arc-shaped plate are respectively provided with a limiting groove capable of containing the ball.

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