CN211038192U - Combined lock - Google Patents

Abstract

The utility model discloses a combination lock, including the base, establish peg on the base, establish the mount pad on the base, at least two telescopic structure, at least two are established on the mount pad and are used for locking or unblock telescopic structure's locking structure, telescopic structure and peg enclose to connect and lock through the locking structure, the locking structure is including establishing on the mount pad and be used for locking or unblock telescopic structure's fastener, the control that is used for driving the fastener motion, the control passes through the driving medium and drives the fastener motion. The utility model discloses a combination lock is used for hanging and pins the goods, can hang simultaneously according to same class to a plurality of goods and put, has promoted the availability factor of lock, and make full use of the usage space of lock. The utility model discloses still solved and put the weak point that the article lost easily in unmanned supermarket among the prior art or the public place, given people and provided high-efficient convenient service to and simplified the lock structure, practiced thrift the cost, the batch production of being convenient for.

Description

Combined lock

Technical Field

The utility model relates to a tool to lock technical field, in particular to combination lock.

Background

The lock is widely applied in real life, and different locks are applied to different places. However, in the prior art, the locks which have the functions of hanging goods and locking the hung goods are fewer, and the locks are suitable for places such as unmanned supermarkets or public places for placing articles, and the like, so that the defect that the articles placed in the unmanned supermarkets or the public places in the prior art are easy to lose is overcome, and efficient and convenient services are provided for people; and the lock simplifies the structure and saves the cost. The lock in the prior art has the defects that one lock can only lock one corresponding cargo, the function of classifying the cargo is not provided, the use efficiency of the lock is not high, and the use space cannot be fully utilized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve prior art not enough, provide a combination lock.

The utility model provides a technical scheme that above-mentioned technical problem adopted is:

the utility model provides a combination lock, the on-line screen storage device comprises a base, establish peg on the base, establish the mount pad on the base, at least two telescopic structure of establishing on the mount pad, at least two establish on the mount pad and be used for locking or unblock telescopic structure's locking structure, telescopic structure encloses with the peg and connects and lock through the locking structure, the locking structure is including establishing on the mount pad and be used for locking or unblock telescopic structure's fastener, a control for driving the fastener motion, the control passes through the driving medium and drives the fastener motion. Among the above technical scheme, goods that place in unmanned supermarket or public place generally accessible is equipped with open-ended shopping bag or goods itself and is equipped with open-ended wrapping bag or other and is equipped with open-ended connecting piece and hangs and put on the enclosed construction that telescopic structure and peg enclose and connect and form to block telescopic structure through locking structure's fastener, thereby lock the goods on the enclosed construction that telescopic structure and peg enclose and connect and form. When the goods in unmanned supermarket or the goods in public place need to be bought, the mobile phone or other communication tools are used for scanning the two-dimensional code arranged on the outer surface of the mounting seat for payment and driving the transmission part to move through the control part, so that the clamping part is driven to be separated from the telescopic structure and the locking of the telescopic structure is released, the telescopic structure retracts and the closed structure formed by the telescopic structure and the hanging rod in a surrounding mode is opened, and the goods can be taken away conveniently. The technology ensures the safety of the goods and prevents the goods from being stolen by lawbreakers on one hand, and on the other hand, the customers can fully know the information of the goods before deciding to buy the goods or decide to use the goods on the other hand; the utility model discloses the structure and the control principle of lock are simple and practical, and are with low costs, are convenient for batch production and give people and provide high-efficient convenient service. The control passes through the driving medium and drives the fastener motion, has avoided the direct effort of control in the fastener, has reduced the probability that the control received the damage, has increased the utility model discloses the practicality of lock. The code scanning payment technique and the electromagnet control principle are widely used in the prior art, and therefore, are not described in detail. Further, at least two extending structure cooperation peg of establishing on the mount pad form a plurality of and are used for hanging the enclosed construction of putting the goods to realized that a lock can hang the function of putting a plurality of goods of locking and make full use of the usage space of lock, increased the utility model discloses the availability factor of combination lock. The utility model discloses a combination lock generally is used for hanging and puts a plurality of goods of the same kind to the classification of the goods of being convenient for is placed, unblanks when taking out the goods as needs, will establish the utility model discloses the extending structure unblock in the combination lock outside takes out the goods in the outside, and takes out the goods in the combination lock by outer and interior in proper order.

Preferably, at least two first through holes are formed in the mounting seat, and the telescopic structure is installed in the first through holes, so that the telescopic structure is installed on the mounting seat. Among the above technical scheme, at least two first through-holes correspond with at least two extending structure one-to-one, and arbitrary extending structure is installed on the mount pad through rather than corresponding first through-hole. At least two first through-holes are evenly arranged on the mounting seat, which is convenient for the use of the combined lock.

Preferably, the telescopic structure comprises a hollow pipe arranged in the first through hole and a stepped shaft telescopically arranged in the hollow pipe, the stepped shaft comprises a first shaft and a second shaft connected with the first shaft into a whole, the diameter of the first shaft is larger than that of the second shaft, a first return spring is arranged on the second shaft, the diameter of the first return spring is smaller than that of the first shaft, a first opening is arranged at one end of the hollow pipe, the diameter of the first opening is larger than that of the second shaft, and the diameter of the first opening is smaller than that of the first return spring; the hollow pipe is also provided with a second through hole for the card to pass in and out; the other end of the hollow pipe is provided with a rear cover, the rear cover is provided with a second opening, and the diameter of the second opening is smaller than that of the first shaft; the first shaft is provided with a positioning groove corresponding to the clamping piece. Among the above technical scheme, the hollow tube passes first through-hole and welds on the mount pad. The control drives the fastener through rotating the piece and breaks away from the constant head tank, perhaps the control drives the fastener through rotating the piece and installs into the constant head tank, thereby realizes the utility model discloses an unblock or shutting. The first opening and the second opening make the second shaft not easy to fall out from the hollow pipe, thereby increasing the practicability of the lock. The back lid is connected with hollow tube other end detachably through the screw thread, and the back lid is equipped with the internal thread, and the hollow tube other end is equipped with the external screw thread corresponding with the internal thread of back lid, and the back lid has made things convenient for the installation of step shaft to dismantle and change, and first opening and second opening all communicate with the hollow tube. The clamping piece enters and exits the hollow pipe through the second through hole and is separated from the positioning groove or is installed in the positioning groove.

Preferably, the hollow pipe is also provided with a limit channel communicated with the second through hole. Among the above technical scheme, the locating pin is along spacing passageway business turn over motion and install into the constant head tank or break away from the constant head tank in spacing passageway, and spacing passageway has reduced the probability that the locating pin breaks away from the hollow tube completely and drops, has increased the utility model discloses the practicality of lock.

Preferably, the transmission part comprises a rotating block which is rotatably arranged on the mounting seat, a first connecting rod is arranged at one end of the rotating block, a second connecting rod is arranged at the other end of the rotating block, the control piece drives the rotating block to rotate through the first connecting rod, the rotating block drives the clamping piece to be separated from or approach the positioning groove through the second connecting rod, and the length of the first connecting rod is greater than that of the second connecting rod; the turning block is rotatably arranged on the mounting seat through a first mandrel, the turning block is sleeved on the first mandrel, and the first mandrel is arranged on the mounting seat. Among the above technical scheme, head rod length is greater than second head rod length, and according to lever principle, the control only needs a small amount of power can drive the locating pin and be the back and forth movement that breaks away from or tend to the constant head tank to reduce the probability that the control received the damage, increased the utility model discloses the practicality of lock. The rotating block is rotatably arranged on the mounting seat through the first mandrel, so that the resistance of the rotating block during rotation is reduced, and the rotating block can conveniently rotate. The mount pad is rectangular casing to make things convenient for the motion of turning block, head rod, second connecting rod, control, increased the utility model discloses the practicality of lock.

Preferably, the control piece comprises an electromagnet arranged in the mounting seat, the electromagnet is connected with a push-pull rod connected with the first connecting rod, and the push-pull rod is sleeved with a second return spring; the push-pull rod is also provided with a first lantern ring, and the first lantern ring is installed in the push-pull rod through a first connecting rod, so that the push-pull rod drives the rotating block to rotate, and the electromagnet drives the clamping piece to be separated from or approach the positioning groove. In the technical scheme, automatic unlocking is carried out through contraction of the electromagnet, when a customer finishes code scanning payment through the APP platform by using a mobile phone or other communication tools, unlocking information is sent to the cloud server, after the server confirms the unlocking instruction of the designated lock is sent, the APP platform receives the unlocking instruction of the server and transmits the unlocking instruction to the control chip arranged in the mounting seat through a 4G network or a wireless network or Bluetooth connection, the control chip controls current conduction of the electromagnet through a relay, the electromagnet retracts after the current conduction and drives the push-pull rod to retract so as to drive the first connecting rod and the connecting block to rotate, so that the clamping piece is separated from the positioning groove by driving the second connecting rod to rotate, the stepped shaft retracts into the hollow tube under the acting force of the second reset spring, and a second shaft of the stepped shaft and the hanging rod are connected in a surrounding mode to form a closed structure, the goods can be taken away conveniently. The code scanning payment and electromagnet control technology is a common technical means, and therefore, detailed description is not provided. The safety of goods is guaranteed through scanning the code payment and unblanking, and the goods are prevented from being stolen by lawless persons. The second return spring is used for returning the push-pull rod, so that the utility model can be locked for reuse. The electromagnet can be detachably mounted on the mounting seat by using screws, and also can be detachably mounted on the mounting seat by arranging a mounting groove corresponding to the electromagnet on the mounting seat. The electromagnet drives the fastener positioning groove or drives the fastener to move towards the positioning groove, thereby realizing the unlocking or locking of the utility model. The first sleeve ring enables the push-pull rod to be connected with the first connecting rod more firmly, and the practicability of the utility model is improved. The tail end of the first connecting rod is also provided with a limiting block with the diameter larger than that of the first lantern ring, so that the probability that the first connecting rod is separated from the first lantern ring is reduced after the first connecting rod is installed in the first lantern ring.

Preferably, the clamping piece comprises a positioning pin, one end of the positioning pin corresponds to the positioning groove, the other end of the positioning pin is connected with the second connecting rod, and the positioning groove is clamped into the positioning pin, so that the stepped shaft is locked on the hollow pipe and is connected with the hanging rod in a surrounding mode. Among the above technical scheme, the electro-magnet drives the locating pin through the turning block and breaks away from or the card goes into the constant head tank to realize the utility model discloses an unblank or shutting. When the lock of the utility model is locked, the push-pull rod extends out under the action of the second reset spring when the electromagnet is in an initial state, so that the positioning pin is driven by the rotating block to tend to the first shaft of the stepped shaft and abut against the first shaft, the stepped shaft is pushed to lead the stepped shaft to be connected with the hanging rod in a surrounding way, when the stepped shaft is connected with the hanging rod in a surrounding way, the positioning pin is clamped into the positioning groove arranged on the first shaft, thus leading the stepped shaft to be locked on the hollow pipe and connected with the hook in a surrounding way, and further realizing the locking function; when the lock is unlocked, the electromagnet retracts, so that the push-pull rod retracts under the driving of the electromagnet, the push-pull rod drives the positioning pin to be separated from the positioning groove through the rotating piece, the stepped shaft retracts under the acting force of the first reset spring, the surrounding connection structure between the stepped shaft and the hanging rod is removed, and the lock is unlocked. The use tool passes through the second opening and promotes the primary shaft, perhaps directly from the primary shaft department pulling secondary shaft to make ladder axial couple direction stretch out and enclose with the peg and connect and form enclosed construction, and make the locating pin card go into the constant head tank, thereby realize shutting, thereby make ladder axial couple direction stretch out and enclose with the peg and connect and form enclosed construction, and make the locating pin card go into the constant head tank, thereby realize shutting.

Preferably, the other end of the positioning pin is provided with a second lantern ring which is arranged in the second lantern ring through a second connecting rod, so that the positioning pin is connected with the second connecting rod through the second lantern ring; the hanging rod is provided with a fixing groove corresponding to the second shaft; the mounting seat comprises a first U-shaped pipe and a second U-shaped pipe matched with the first U-shaped pipe. Among the above technical scheme, the second lantern ring is even as an organic whole with the locating pin, and the locating pin passes through the second lantern ring and is connected with the second connecting rod firmly. The fixed slot is matched with the second shaft, so that the second shaft is installed into the hanging rod, and the probability that goods are stolen by lawbreakers is reduced. First U-shaped pipe, second U-shaped pipe have made things convenient for the installation of locking structure, extending structure in the mount pad to dismantle.

Preferably, the transmission part comprises a torsional spring-shaped rotating rod which is rotatably arranged on the mounting seat, the torsional spring-shaped rotating rod comprises a third connecting rod, a fourth connecting rod and a circular ring which is arranged between the third connecting rod and the fourth connecting rod and is rotatably arranged on the mounting seat, the third connecting rod, the circular ring and the fourth connecting rod are connected into a whole, the control part drives the circular ring to rotate through the third connecting rod, the circular ring drives the clamping part to be separated from or approach the telescopic structure through the fourth connecting rod, and the length of the third connecting rod is greater than that of the fourth connecting rod; the ring is rotationally arranged on the mounting seat through the second mandrel, the ring is sleeved on the second mandrel, and the second mandrel is arranged on the mounting seat. In the technical scheme, when the lock is unlocked, the control piece drives the third connecting rod to rotate around the circular ring, so that the fourth connecting rod is further driven to rotate, the clamping piece is driven to be separated from the telescopic structure, and the telescopic structure retracts and is released from surrounding connection with the hanging rod, so that the lock is unlocked; when shutting, promote or pull extending structure and make extending structure and peg enclose and connect, the fastener locks the ouning with extending structure simultaneously to shutting. Third connecting piece length is greater than fourth connecting piece length, and the control only needs a small amount of power can drive the fastener and be the back and forth movement that breaks away from or tend extending structure to reduced the probability that the control received the damage, increased the utility model discloses the practicality of lock. Torsional spring form dwang simple structure, the batch production of being convenient for has optimized the utility model discloses the inner structure of lock has saved the utility model discloses a cost.

Preferably, the transmission part comprises an eccentric wheel which is rotatably arranged on the mounting seat, one end of the eccentric wheel is connected with the clamping piece, the other end of the eccentric wheel is connected with the control piece, the distance from the rotating central point of the eccentric wheel to the control piece is larger than the distance from the rotating central point of the eccentric wheel to the clamping piece, the eccentric wheel is driven to rotate by the control piece, and therefore the eccentric wheel drives the clamping piece to be separated from or approach to the telescopic structure. In the technical scheme, the control piece is provided with a push-pull rod connected with the eccentric wheel, the eccentric wheel is also connected with the clamping piece, and when the lock is unlocked, the control piece drives the eccentric wheel to rotate through the push-pull rod, so that the clamping piece is further driven to be separated from the telescopic structure, the telescopic structure retracts, surrounding connection between the clamping piece and the hook is removed, and the lock is unlocked; the distance of the rotation central point of eccentric wheel to the control is greater than the distance of the rotation central point of eccentric wheel to the fastener, and the control only needs a small amount of power can drive the fastener and do the back and forth movement that breaks away from or tends extending structure to reduced the probability that the control received the damage, increased the utility model discloses the practicality of lock. Eccentric wheel simple structure, the batch production of being convenient for has optimized the utility model discloses the inner structure of lock has saved the utility model discloses a cost.

The utility model has the advantages that:

1. the utility model discloses a combination lock is used for hanging and pins the goods, can hang simultaneously according to same class to a plurality of goods and put, has promoted the availability factor of lock, and make full use of the usage space of lock.

2. The utility model discloses a combination lock is used for hanging and pins the goods, has solved the weak point that the article lost easily of putting in unmanned supermarket among the prior art or the public place on the one hand, gives people and provides high-efficient convenient service, and on the other hand has simplified the lock structure, has practiced thrift the cost, the batch production of being convenient for.

Drawings

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

FIG. 2 is a schematic view of the internal structure of a combination lock of the present invention;

fig. 3 is a schematic structural diagram of the mounting seat of the present invention;

fig. 4 is a schematic view of structural connection between a locking structure and a telescopic structure of a first embodiment of a combination lock according to the present invention;

fig. 5 is a schematic view of structural connection between a locking structure and a telescopic structure of a second embodiment of the combination lock of the present invention;

fig. 6 is a schematic view of structural connection between a locking structure and a telescopic structure of a third embodiment of the combination lock of the present invention.

In the figure: 1. a base, 2, a hanging rod, 21, a fixing groove, 3, a mounting seat, 31, a first U-shaped tube, 32, a second U-shaped tube, 4, a telescopic structure, 41, a hollow tube, 411, a first opening, 412, a limit channel, 413, a second through hole, 42, a stepped shaft, 421, a first shaft, 4211, a positioning groove, 422, a second shaft, 4221, a first return spring, 43, a rear cover, 431, a second opening, 5, a locking structure, 51, a fastener, 511, a positioning pin, 512, a second collar, 52, a control member, 521, an electromagnet, 522, a push-pull rod, 523, a second return spring, 524, a first collar, 53, a transmission member, 531, a rotating block, 532, a torsion spring-shaped rotating rod, 5321, a third connecting rod, 5322, a fourth connecting rod, 5323, a circular ring, a mandrel 533, an eccentric wheel, 54, a first connecting rod, 55, a second connecting rod, 56, a first connecting rod, 57, a second connecting rod, 58, and a fifth connecting rod, 59. sixth connecting rod, 510, third dabber, 6, first through-hole, 7, goods.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

The first embodiment is as follows:

as shown in fig. 1-4, the utility model discloses a combination lock, the on-line screen storage device comprises a base 1, establish peg 2 on base 1, establish mount pad 3 on base 1, at least two establish the extending structure 4 on mount pad 3, at least two establish on mount pad 3 and be used for locking or unblock extending structure 4's locking structure 5, extending structure 4 encloses with peg 2 and connects and lock through locking structure 5, locking structure 5 is including establishing on mount pad 3 and being used for locking or unblock extending structure 4's fastener 51, a control 52 for driving fastener 51 motion, 52 drives fastener 51 motion through driving medium 53. The goods 7 are suspended in the closed structure enclosed by the telescopic structure 4 and the hanging rod 2. Still be equipped with on mount pad 3 and supply customer to sweep the two-dimensional code of sign indicating number payment, the user sweeps and unblanks and conveniently takies the goods away through the locking structure after the sign indicating number payment. The code scanning payment is a conventional technical means, and the sales counter in the prior art also often uses the code scanning payment, so the detailed description is not provided in this embodiment. The base 1 is provided with a base mounting hole, and the base 1 is mounted on a goods shelf or a wall or other places needing to be provided with the combination lock by utilizing a mounting screw to penetrate through the base mounting hole. Further, the hanging rod 2 is vertically arranged on the base 1, the mounting seat 3 is also vertically arranged on the base 1, the mounting seat 3 and the hanging rod 2 are arranged on the base 1 in parallel, and the hanging rod 2 is installed on the base through threaded connection; the mounting seat 3 comprises a first U-shaped pipe 31 and a second U-shaped pipe 32 matched with the first U-shaped pipe 31, the first U-shaped pipe 31 and the second U-shaped pipe 32 are clamped to form a square hollow mounting seat 3, and the locking structure 5 and the telescopic structure 4 can be conveniently mounted and dismounted in the mounting seat 3. After the locking structure 5 and the telescopic structure 4 are installed in the square hollow installation seat 3, the first U-shaped pipe 31 and the second U-shaped pipe 32 are welded on the base 1.

In this embodiment, at least two first through holes 6 are provided on the mounting base 3, and the telescopic structure 4 is installed in the first through holes 6, so that the telescopic structure 4 is installed on the mounting base 3.

In this embodiment, the telescopic structure 4 includes a hollow tube 41 installed in the first through hole 6, and a stepped shaft 42 telescopically arranged in the hollow tube 41, the stepped shaft 42 includes a first shaft 421 and a second shaft 422 integrally connected to the first shaft 421, a diameter of the first shaft 421 is greater than a diameter of the second shaft 422, the second shaft 422 is provided with a first return spring 4221, a diameter of the first return spring 4221 is smaller than a diameter of the first shaft 421, one end of the hollow tube 41 is provided with a first opening 411, the diameter of the first opening 411 is greater than a diameter of the second shaft 422, and the diameter of the first opening 411 is smaller than a diameter of the first return spring 4221; the hollow tube 41 is also provided with a second through hole 413 for the clamping piece 51 to go in and out; the other end of the hollow tube 41 is provided with a rear cover 43, the rear cover 43 is provided with a second opening 431, and the diameter of the second opening 431 is smaller than that of the first shaft 421; the first shaft 421 is provided with a positioning groove 4211 corresponding to the clip 51.

In this embodiment, the hollow tube 41 is further provided with a limiting passage 412 communicated with the second through hole 413.

In this embodiment, the transmission member 53 includes a rotating block 531 rotatably disposed on the mounting base 3, one end of the rotating block 531 is provided with a first connecting rod 54, the other end of the rotating block 531 is provided with a second connecting rod 55, the control member 52 drives the rotating block 531 to rotate through the first connecting rod 54, the rotating block 531 drives the fastener 51 to disengage from or approach the positioning groove 4211 through the second connecting rod 55, and the length of the first connecting rod 54 is greater than that of the second connecting rod 55; the rotating block 531 is rotatably disposed on the mounting base 3 through the first spindle 56, the rotating block 531 is sleeved on the first spindle 56, and the first spindle 56 is disposed on the mounting base 3.

In this embodiment, the control member 52 includes an electromagnet 521 disposed in the mounting seat 3, the electromagnet 521 is connected to a push-pull rod 522 connected to the first connecting rod 54, and the push-pull rod 522 is sleeved with a second return spring 523; the push-pull rod 522 is further provided with a first collar 524, and the first collar 524 is installed into the first collar 524 through the first connecting rod 54, so that the push-pull rod 522 drives the rotating block 531 to rotate, and the electromagnet 521 drives the clamping piece 51 to separate from or approach the positioning groove 4211.

In this embodiment, the clip 51 includes a positioning pin 511, one end of the positioning pin 511 corresponds to the positioning slot 4211, and the other end of the positioning pin 511 is connected to the second connecting rod 55, and is clipped into the positioning slot 4211 through the positioning pin 511, so that the stepped shaft 42 is locked on the hollow tube 41 and is surrounded with the hanging rod 2.

In this embodiment, the other end of the positioning pin 511 is provided with a second collar 512, and the second collar 512 is installed in the second collar 55 through a second connecting rod 55, so that the positioning pin 511 is connected with the second connecting rod 55 through the second collar 512; the hanging rod 2 is provided with a fixing groove 21 corresponding to the second shaft 422; the mounting base 3 includes a first U-shaped tube 31, and a second U-shaped tube 32 fitted to the first U-shaped tube 31. The corresponding positions of the first U-shaped pipe 31 and the second U-shaped pipe 32 are respectively provided with a first through hole 6, the hollow pipe 41 penetrates through the first through holes 6 arranged on the first U-shaped pipe 31 and the second U-shaped pipe 32, and therefore the hollow pipe 41 is arranged on the mounting seat 3; the electromagnet 521 and the first mandrel 56 are both arranged in the square hollow mounting seat 3 enclosed by the first U-shaped tube 31 and the second U-shaped tube 32 in a clamping manner.

Example two:

as shown in fig. 1, fig. 2, fig. 3 and fig. 5, the difference between the combination lock of the present invention and the first embodiment is: the transmission member 53 comprises a torsional spring-shaped rotating 532 rod rotatably arranged on the mounting base 3, the torsional spring-shaped rotating 532 rod comprises a third connecting rod 5321, a fourth connecting rod 5322 and a circular ring 5323 arranged between the third connecting rod 5321 and the fourth connecting rod 5322 and rotatably arranged on the mounting base 3, the third connecting rod 5321, the circular ring 5323 and the fourth connecting rod 5322 are connected into a whole, the control member 52 drives the circular ring 5323 to rotate through the third connecting rod 5321, the circular ring 5323 drives the clamping member 51 to be separated from or approach the telescopic structure 4 through the fourth connecting rod 5322, and the length of the third connecting rod 5321 is greater than that of the fourth connecting rod 5322; the ring 5323 is rotatably disposed on the mounting base 3 through the second spindle 57, the ring 5323 is sleeved on the second spindle 57, and the second spindle 57 is disposed on the mounting base 3.

In this embodiment, the specific lower structures and the specific connection modes of the control member, the telescopic structure, the clamping member and the mounting seat are the same as those of the first embodiment.

Example three:

as shown in fig. 1, fig. 2, fig. 3 and fig. 6, the difference between the combination lock of the present invention and the first embodiment is: the transmission member 53 includes an eccentric wheel 533 rotatably disposed on the mounting base 3, one end of the eccentric wheel 533 is connected to the clamping member 51, the other end of the eccentric wheel 533 is connected to the control member 52, a distance from a rotation center point of the eccentric wheel 533 to the control member 52 is greater than a distance from the rotation center point of the eccentric wheel 533 to the clamping member 51, the eccentric wheel 533 is driven to rotate by the control member 52, and thus the eccentric wheel 533 drives the clamping member 51 to disengage from or approach the telescopic structure 4. One end of the eccentric wheel 53 is connected with the clamping piece 51 through a sixth connecting rod 59, the other end of the eccentric wheel 53 is connected with the control piece 52 through a fifth connecting rod 58, the length of the fifth connecting rod 58 is larger than that of the sixth connecting rod 59, the control piece 52 drives the eccentric wheel 533 to rotate through the fifth connecting rod 58, so that the eccentric wheel 533 drives the clamping piece 51 to be separated from or approach the telescopic structure 4 through the sixth connecting rod 59, and the unlocking or locking function is realized; the eccentric wheel 53 is rotatably arranged on the mounting base 3 through a third core shaft 510, the eccentric wheel 53 is sleeved on the third core shaft 510, and the third core shaft 510 is arranged on the mounting base 3. In this embodiment, the eccentric wheel 53 can also be directly connected with the clip member 51 and the control member 52.

In this embodiment, the specific lower structures and the specific connection modes of the control member, the telescopic structure, the clamping member and the mounting seat are the same as those of the first embodiment.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The same creation is considered to be simply replaced without changing the creation content of the present invention. The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A combination lock, characterized in that: including base (1), establish peg (2) on base (1), establish mount pad (3) on base (1), at least two telescopic structure (4) of establishing on mount pad (3), at least two establish on mount pad (3) and be used for locking or unblock locking structure (5) of telescopic structure (4), telescopic structure (4) enclose with peg (2) and connect and lock through locking structure (5), locking structure (5) are including establishing fastener (51) that are used for locking or unblock telescopic structure (4) on mount pad (3), control (52) for driving fastener (51) motion, control (52) drive fastener (51) motion through driving medium (53).

2. A combination lock according to claim 1, wherein: at least two first through holes (6) are formed in the mounting seat (3), and the telescopic structure (4) is installed in the first through holes (6), so that the telescopic structure (4) is installed on the mounting seat (3).

3. A combination lock according to claim 2, wherein: the telescopic structure (4) comprises a hollow tube (41) arranged in a first through hole (6), and a stepped shaft (42) telescopically arranged in the hollow tube (41), wherein the stepped shaft (42) comprises a first shaft (421) and a second shaft (422) connected with the first shaft (421) into a whole, the diameter of the first shaft (421) is larger than that of the second shaft (422), a first return spring (4221) is arranged on the second shaft (422), the diameter of the first return spring (4221) is smaller than that of the first shaft (421), a first opening (411) is arranged at one end of the hollow tube (41), the diameter of the first opening (411) is larger than that of the second shaft (422), and the diameter of the first opening (411) is smaller than that of the first return spring (4221); the hollow pipe (41) is also provided with a second through hole (413) for the clamping piece (51) to pass in and out; the other end of the hollow pipe (41) is provided with a rear cover (43), the rear cover (43) is provided with a second opening (431), and the diameter of the second opening (431) is smaller than that of the first shaft (421); the first shaft (421) is provided with a positioning groove (4211) corresponding to the clamping piece (51).

4. A combination lock according to claim 3, wherein: the hollow pipe (41) is also provided with a limit channel (412) communicated with the second through hole (413).

5. A combination lock according to claim 3 or 4, characterised in that: the transmission piece (53) comprises a rotating block (531) which is rotatably arranged on the mounting seat (3), one end of the rotating block (531) is provided with a first connecting rod (54), the other end of the rotating block (531) is provided with a second connecting rod (55), the control piece (52) drives the rotating block (531) to rotate through the first connecting rod (54), the rotating block (531) drives the clamping piece (51) to be separated from or approach the positioning groove (4211) through the second connecting rod (55), and the length of the first connecting rod (54) is greater than that of the second connecting rod (55); the rotating block (531) is rotatably arranged on the mounting base (3) through a first mandrel (56), the rotating block (531) is sleeved on the first mandrel (56), and the first mandrel (56) is arranged on the mounting base (3).

6. A combination lock according to claim 5, wherein: the control piece (52) comprises an electromagnet (521) arranged in the mounting seat (3), the electromagnet (521) is connected with a push-pull rod (522) connected with the first connecting rod (54), and the push-pull rod (522) is sleeved with a second return spring (523); the push-pull rod (522) is further provided with a first lantern ring (524), the first lantern ring (524) is installed through the first connecting rod (54), so that the push-pull rod (522) drives the rotating block (531) to rotate, and the electromagnet (521) drives the clamping piece (51) to be separated from or approach the positioning groove (4211).

7. A combination lock according to claim 6, wherein: fastener (51) include locating pin (511), and locating pin (511) one end corresponds with constant head tank (4211), and the locating pin (511) other end is connected with second connecting rod (55), blocks into constant head tank (4211) through locating pin (511) to step shaft (42) lock is on hollow tube (41) and encloses with peg (2).

8. A combination lock according to claim 7, wherein: a second lantern ring (512) is arranged at the other end of the positioning pin (511) and is installed into the second lantern ring (512) through a second connecting rod (55), so that the positioning pin (511) is connected with the second connecting rod (55) through the second lantern ring (512); the hanging rod (2) is provided with a fixed groove (21) corresponding to the second shaft (422); the mounting seat (3) comprises a first U-shaped pipe (31) and a second U-shaped pipe (32) matched with the first U-shaped pipe (31).

9. A combination lock according to claim 1, wherein: the transmission piece (53) comprises a torsional spring-shaped rotating (532) rod which is rotatably arranged on the mounting seat (3), the torsional spring-shaped rotating (532) rod comprises a third connecting rod (5321), a fourth connecting rod (5322), a circular ring (5323) which is arranged between the third connecting rod (5321) and the fourth connecting rod (5322) and is rotatably arranged on the mounting seat (3), the third connecting rod (5321), the circular ring (5323) and the fourth connecting rod (5322) are connected into a whole, the control piece (52) drives the circular ring (5323) to rotate through the third connecting rod (5321), the circular ring (5323) drives the clamping piece (51) to be separated from or tend to the telescopic structure (4) through the fourth connecting rod (5322), and the length of the third connecting rod (5321) is greater than that of the fourth connecting rod (5322); the circular ring (5323) is rotatably arranged on the mounting base (3) through a second mandrel (57), the circular ring (5323) is sleeved on the second mandrel (57), and the second mandrel (57) is arranged on the mounting base (3).

10. A combination lock according to claim 1, wherein: the transmission part (53) comprises an eccentric wheel (533) which is rotatably arranged on the mounting seat (3), one end of the eccentric wheel (533) is connected with the clamping piece (51), the other end of the eccentric wheel (533) is connected with the control piece (52), the distance from the rotating central point of the eccentric wheel (533) to the control piece (52) is greater than the distance from the rotating central point of the eccentric wheel (533) to the clamping piece (51), the eccentric wheel (533) is driven to rotate through the control piece (52), and therefore the eccentric wheel (533) drives the clamping piece (51) to be separated from or approach the telescopic structure (4).

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