CN211173557U - Handcuffs - Google Patents

Abstract

The utility model discloses handcuffs, which comprise an arc-shaped fixed arc patch and an arc-shaped movable arc patch which are connected together by handcuff rotating shafts, and further comprise a rod lifting spring, wherein the rear end of the fixed arc patch is provided with a lock box with a box cavity; the box cavity is internally provided with a seesaw rod which is connected with the seesaw shaft, one end of the seesaw rod is provided with a buckling tooth part, the buckling tooth part extends into a space between two gear teeth on the gear, one end of a lifting rod spring is connected with the lock box, and the other end of the lifting rod spring is connected with the seesaw rod, so that the buckling tooth part of the seesaw rod extends into a space between a first tooth and a second tooth in a free state. The seesaw shaft has a positioning effect on the seesaw rod, the seesaw rod can rotate around the seesaw shaft to realize the connection of the gears, and the movable arc cam can rotate in the anticlockwise direction and cannot rotate more than one locking tooth in the clockwise direction under the condition that the seesaw rod is released through proper setting of a pressure angle and a friction angle. The utility model is used for handcuffs.

Description

Handcuffs

Technical Field

The utility model relates to a handcuff.

Background

Many locks with a common key, such as handcuffs, prison doors, vending machine doors, product display windows, use locks with a common key that can be unlocked with one key. This avoids the management of keys and also improves efficiency.

However, the conventional general-purpose key lock is easily opened by a simple tool, resulting in poor security.

The inventor previously developed a clutched lock cylinder structure and handcuffs, application No. 2018208948843, which utilize a lock lever that moves up and down to lock the gears. However, there are certain problems, for example, the locking rod needs to be positioned accurately, but the space in the locking box is small, and it is difficult to make the guide groove, so a guide structure needs to be arranged beside the locking rod, but such an arrangement may cause at least one of the following technical problems:

1. the overall size of the lock case is large.

2. The assembly and the processing are troublesome, and the precision requirement is high.

3. The locking bar may interfere with the guide structure to be caught.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: there is provided a handcuff which can solve at least one of the above-mentioned technical problems.

The utility model provides a solution of its technical problem is:

a kind of handcuff, including linking together the curved fixed arc that the rotating shaft of handcuff is copied, curved movable arc is copied, the movable arc is copied and set up in the left side that the fixed arc is copied, the front end that the fixed arc is copied is equipped with the said handcuff rotating shaft, also include lifting the lever spring, the rear end that the fixed arc is copied has lock boxes with box cavity, there are several lock teeth set up side by side outside that the movable arc is copied, the front side of lock box has for the lock tooth to stretch into the opening in the box cavity, the box cavity has gears set up behind lock tooth that engage with lock tooth, the gear is connected with cavity wall of the box cavity with the wheel axle set up vertically; a seesaw rod is arranged in the box cavity and connected with the seesaw rod through a seesaw shaft, a buckling tooth part is arranged at one end of the seesaw rod and extends into a space between two gear teeth on the gear, two gear teeth which are adjacent to the buckling tooth part in the clockwise direction are respectively called a first tooth and a second tooth, a pressure angle between the first tooth and the buckling tooth part is larger than a friction angle, a pressure angle between the second tooth and the buckling tooth part is smaller than or equal to the friction angle, one end of a lifting rod spring is connected with the lock box, and the other end of the lifting rod spring is connected with the seesaw rod, so that the buckling tooth part extends into a space between the first tooth and the second tooth in a free state; the side of the seesaw rod is provided with a separation space, and the separation space and the gear are respectively arranged at the two sides of the seesaw rod, so that the gear tooth part can be separated from the gear after the seesaw rod can wind around the seesaw shaft and enter the separation space.

As a further improvement of the above proposal, the utility model also comprises a clutch lock core, which comprises a base frame and a linkage shaft vertically arranged, wherein the linkage shaft comprises a driving section, an idle section, a rotation stopping section and a rotatable section which are sequentially connected from top to bottom and used for stopping rotation with a key, and the idle section, the rotation stopping section and the rotatable section are coaxial with the rotation shaft of the linkage shaft and have circular sections, the cross section of the driving section is in a shape of stopping rotation, the rotation stopping section is in a shape formed by arranging at least one bulge and/or at least one recess on the circumference of a basic circle, the circle center of the basic circle is arranged on the rotation shaft of the linkage shaft, a poking block is fixedly connected on the linkage shaft, a limiting piece is arranged on the base frame, a limiting hole for connecting the key and the driving section is arranged on the limiting piece, the shape of the cross section of the limiting hole is in a shape of stopping rotation, the driving section is arranged in the limiting hole or the driving, a clutch is arranged below the limiting plate, the clutch comprises an upper clutch ring and a lower clutch block which are sequentially arranged from top to bottom, the upper clutch ring and the lower clutch block are fixedly connected with each other, an embedding pit is arranged on the lower surface of the limiting plate, the upper clutch ring is in rotation stopping connection with the embedding pit, a clutch hole is arranged on the lower clutch block, a linkage shaft penetrates through the clutch hole, the clutch is sleeved on the linkage shaft and can move up and down along the linkage shaft, the distance between the top end of the upper clutch ring and the clutch hole is A, the distance between the bottom surface of the limiting hole and a rotation stopping section is B, the outer side wall of the rotation stopping section is in rotation stopping connection with the clutch hole, the A and the B are matched, the rotation stopping section is connected with the clutch hole, the upper clutch ring and the embedding pit in rotation stopping connection simultaneously, the rotatable section is arranged below the rotation stopping section, the cross section shape of the rotatable section is matched with the cross section shape of the clutch hole, after the upper clutch ring leaves the embedding pit and the rotation stopping, the clutch hole is rotatably connected with the rotatable section, the shifting block can rotate along with the universal driving shaft, a reset spring is arranged on the clutch, one end of the reset spring is connected with the clutch, and the other end of the reset spring is connected with the universal driving shaft or the base frame or the shifting block, so that the clutch keeps the upper clutch ring and the limiting hole in rotation-stopping connection and keeps the clutch hole and the rotation-stopping section in rotation-stopping connection in a free state; the clutch is provided with a lower pressing surface which is arranged on the upper surface of the lower clutch block; the universal driving device comprises a universal driving section, a universal clutch ring, a universal driving section and a limiting hole, wherein the universal driving section is arranged in the universal driving section, and the universal driving section is arranged in the universal driving section;

the base frame is fixedly connected with the box cavity, and the poking block is connected with the seesaw, so that the seesaw is linked with the poking block.

As a further improvement of the scheme, the clutch is an integrally formed component, so that the upper clutch ring and the lower clutch block are both parts of the clutch.

As a further improvement of the scheme, the shifting block is arranged below the clutch.

As a further improvement of the scheme, the universal driving device is characterized in that a bearing sheet is arranged on the linkage shaft, the bearing sheet is arranged between the clutch and the shifting block, and the return spring is arranged between the clutch and the bearing sheet.

As a further improvement of the scheme, an idle sleeve coaxial with a rotating shaft of the linkage shaft is sleeved on the linkage shaft and is rotatably connected with the linkage shaft, so that the idle sleeve can rotate on the linkage shaft, and the position of the idle sleeve is the idle section.

As a further improvement of the scheme, the base frame is a cylindrical component with an upward opening, the limiting piece is arranged on the opening, the linkage shaft, the poking block, the limiting piece, the clutch and the reset spring are all arranged in a cylindrical cavity of the base frame, the base frame is provided with an extending port, and the extending port is arranged beside the poking block.

As a further improvement of the scheme, the shape of the section of the driving section and/or the edge shape of the section of the rotation stopping section and/or the edge shape of the section of the limiting hole and/or the edge shape of the section of the clutch hole and/or the edge shape of the section of the embedding pit and/or the shape of the inner edge of the section of the upper end of the upper clutch ring and/or the shape of the outer edge of the section of the upper end of the upper clutch ring are/is in a rotation stopping shape.

As a further improvement of the proposal, the whole seesaw rod extends from left to right, and the tooth buckling part is arranged at the right side of the seesaw shaft.

As a further improvement of the scheme, the poking block is arranged on the left side of the seesaw shaft, the pressing surface is arranged on the right side surface of the poking block and is positioned on the front side of the seesaw rod, so that when the pressing surface rotates clockwise along with the poking block, the pressing surface is abutted against the seesaw rod, and two ends of the seesaw rod are respectively limited by the gear and the pressing surface and cannot enter the separation space.

The utility model has the advantages that: the seesaw shaft has a positioning effect on the seesaw rod, the seesaw rod can rotate around the seesaw shaft to realize the connection of the gears, and the movable arc cam can rotate in the anticlockwise direction and cannot rotate more than one locking tooth in the clockwise direction under the condition that the seesaw rod is released through proper setting of a pressure angle and a friction angle. The utility model is used for handcuffs.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic top view of handcuffs according to an embodiment of the present invention;

fig. 2 is a schematic front view structure diagram of a clutch lock cylinder structure according to an embodiment of the present invention;

fig. 3 is a schematic front view of the clutch lock cylinder structure according to the embodiment of the present invention when a key is inserted into the clutch lock cylinder structure;

fig. 4 is a schematic top view of a restricting sheet according to an embodiment of the present invention;

fig. 5 is a schematic top view of a clutch according to an embodiment of the present invention;

fig. 6 is a schematic bottom view of the base frame according to the embodiment of the present invention;

fig. 7 is a schematic top view of a dial block with a linkage shaft according to an embodiment of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.

With reference to fig. 1 to 7, this is some embodiments of the invention, in particular:

a handcuff comprises an arc-shaped fixed arc part 91 and an arc-shaped movable arc part 92 which are connected together by a handcuff rotating shaft 93, wherein the movable arc part 92 is arranged on the left side of the fixed arc part 91, the handcuff rotating shaft 93 is arranged at the front end of the fixed arc part 91, the handcuff further comprises a lifting rod spring 72, a lock box 94 with a box cavity is arranged at the rear end of the fixed arc part 91, a plurality of lock teeth 921 which are arranged side by side is arranged on the outer side of the movable arc part 92, a penetration hole for the lock teeth 921 to extend into the box cavity; a seesaw rod 7 is arranged in the box cavity, the seesaw rod 7 is connected through a seesaw shaft 71, a buckling tooth part is arranged at one end of the seesaw rod 7, the buckling tooth part extends between two teeth on a gear 95, the two teeth which are adjacent to the buckling tooth part in the clockwise direction are respectively called a first tooth and a second tooth, a pressure angle between the first tooth and the buckling tooth part is larger than a friction angle, a pressure angle between the second tooth and the buckling tooth part is smaller than or equal to the friction angle, one end of a lifting rod spring 72 is connected with a lock box 94, and the other end of the lifting rod spring 72 is connected with the seesaw rod 7, so that the buckling tooth part of the seesaw rod 7 extends between the first tooth and the second tooth in a free state; a disengaging space is arranged beside the seesaw rod 7, and the disengaging space and the gear 95 are respectively arranged at two sides of the seesaw rod 7, so that the gear teeth can be disengaged from the gear 95 after the seesaw rod 7 can wind around the seesaw shaft 71 and enter the disengaging space. The seesaw shaft has a positioning effect on the seesaw rod, the seesaw rod can rotate around the seesaw shaft to realize the connection of the gears, and the movable arc cam can rotate in the anticlockwise direction and cannot rotate more than one locking tooth in the clockwise direction under the condition that the seesaw rod is released through proper setting of a pressure angle and a friction angle. The seesaw shaft is convenient to install and manufacture, the seesaw shaft can position the seesaw rod more reliably than a lock rod through the guide groove and the guide structure, and the situation that the lock rod swings to cause interference and clamping with the guide structure or the guide groove is not easy to occur.

In some embodiments, the lock further comprises a clutch lock core, the clutch lock core comprises a base frame 5 and a linkage shaft arranged vertically, the linkage shaft comprises a driving section 11 connected with a key in turn from top to bottom and used for being in rotation stopping connection, an idle section with a circular section and coaxial with a rotating shaft of the linkage shaft, a rotation stopping section 12 and a rotatable section 13, the cross section of the driving section 11 is in a rotation stopping shape, the rotation stopping shape is formed by arranging at least one protrusion and/or at least one recess on the circumference of a basic circle, the center of the basic circle is arranged on the rotating shaft of the linkage shaft, a shifting block 2 is fixedly connected to the linkage shaft, a limiting piece 3 is arranged on the base frame 5, a limiting hole 31 for connecting the key and the driving section 11 is arranged on the limiting piece 3, the cross section of the limiting hole 31 is in a rotation stopping shape, the driving section 11 is arranged in the limiting hole 31 or the driving section 11 is arranged below the limiting hole 31 or the driving section 11 is arranged above the limiting hole 31, a clutch 4 is arranged below the limiting plate 3, the clutch 4 comprises an upper clutch ring 41 and a lower clutch block 42 which are sequentially arranged from top to bottom, the upper clutch ring 41 and the lower clutch block 42 are fixedly connected with each other, an embedding pit 32 is arranged on the lower surface of the limiting plate 3, the upper clutch ring 41 is in rotation stopping connection with the embedding pit 32, a clutch hole 421 is arranged on the lower clutch block 42, a linkage shaft penetrates through the clutch hole 421, the clutch 4 is sleeved on the linkage shaft and can move up and down along the linkage shaft, the distance between the top end of the upper clutch ring 41 and the clutch hole 421 is A, the distance between the bottom surface of the limiting hole 31 and the rotation stopping section 12 is B, the outer side wall of the rotation stopping section 12 is in rotation stopping connection with the clutch hole 421, the A and the B are matched, the rotation stopping section 12 and the clutch hole 421, the upper clutch ring 41 and the embedding pit 32 can be in rotation stopping connection at the same time, a rotatable section 13 is arranged below the rotation stopping section 12, and the section shape of the rotatable section 13 is matched with the, after the upper clutch ring 41 leaves the embedding pit 32 and the rotation stopping section 12 leaves the clutch hole 421, the clutch hole 421 is rotatably connected with the rotatable section 13, the shifting block 2 can rotate along with the linkage shaft, the clutch 4 is provided with a return spring 6, one end of the return spring 6 is connected with the clutch 4, the other end of the return spring 6 is connected with the linkage shaft or the pedestal 5 or the shifting block 2, so that the clutch 4 keeps the rotation stopping connection of the upper clutch ring 41 and the limiting hole 31 and the rotation stopping connection of the clutch hole 421 and the rotation stopping section 12 in a free state; the clutch 4 is provided with a lower pressing surface 422, and the lower pressing surface 422 is arranged on the upper surface of the lower clutch block 42; the universal driving device comprises a universal driving shaft, an upper clutch ring 41, a driving section 11, a linkage shaft, an idle section, a limiting hole 31, a limiting hole, a limiting ring, a driving section and a driving section, wherein a containing gap is arranged on the inner side surface of the universal driving shaft and the inner side surface of the upper clutch ring 41; the structure of the embodiment is arranged, the shape of the lower end face of the key 301 is caused to be a rotation stopping shape matched with the accommodating clearance, the lower end face of the key is abutted against the lower pressing face, the limiting hole is the rotation stopping shape, the shape of the cross section of the part of the key passing through the limiting hole must be also matched with the rotation stopping shape, due to the arrangement of the linkage shaft, key middle holes 302 are inevitably arranged on the axes of all the keys, the key middle holes 302 are circular holes, the openings of the key middle holes are downward and are sleeved on the linkage shaft, because the idle rotation section has a circular cross section and is coaxial with the rotating shaft of the linkage shaft, the idle rotation section is difficult to provide unlocking force, only the driving section can provide power for driving the rotation of the linkage shaft, so the bottom of the key middle holes needs to be provided with driving holes 303 connected with the driving section, and the shape of the cross section of the driving holes 303 is matched with the shape of, the driving hole 303 can be connected with the driving section in a rotation stopping way so as to drive the linkage shaft to rotate, but the rotation stopping section is connected with the clutch hole in a rotation stopping way, so that the linkage shaft cannot be driven to rotate without pressing down the clutch, the structure of the limiting hole is arranged, the outer wall of the middle section of the key is forced to be provided with a clearance ring groove 304, the distance between the position of the clearance ring groove and the lower end face of the key is C, C is matched with A, B, so that when the rotation stopping section is separated from the clutch hole, an upper separation ring is separated from an embedding pit, the clearance ring groove enters the limiting hole, the arrangement of the clearance ring groove can carry out clearance on the limiting hole, the key rotates around the rotating shaft of the linkage shaft, the cross section of the limiting hole is in a rotation stopping shape, the rotation stopping shape comprises an ellipse, a polygon, a cam shape, a heart shape, a polygon and the like, because the ellipse is equivalent to adding two bulges which are symmetrically, the rotation-stopping shape adopted by the embodiment is a regular hexagon, the regular hexagon can be regarded as a circle formed by removing a plurality of crescent moon shapes with straight edges, the regular hexagon can also be regarded as a circle formed by adding six angles, so that lawless persons can only use a sleeve with a circular section to sleeve a driving section and can not rotate the shifting block and can not realize unlocking, and the sleeve needs to be sleeved downwards to press the clutch downwards to enable the linkage shaft to rotate, but because the section of the limiting hole is in the rotation-stopping shape, the outer diameter of the sleeve needs to be smaller than the diameter of the maximum inscribed circle of the limiting hole, so that the outer diameter of the sleeve is reduced, the inner diameter and the wall thickness of the sleeve are limited, the strength of the sleeve is reduced, enough unlocking force can not be provided, unlocking can not be realized, when a key rotates the shaft, the shifting block can rotate along with the linkage shaft, and then the shifting block can shift a component used for locking or unlocking, the locking and unlocking of the lockset are realized. In the embodiment, the rotation stopping shape of the part of the key which can extend into the accommodating gap is a regular hexagon, and the section shape of the corresponding limiting hole is also a regular hexagon, so that the key can find out a correct angle to exit and enter the limiting hole, and the shifting block is rotated to a corresponding angle, so that unlocking and locking are correspondingly realized.

In particular: the poking block 2 is arranged on the left side of the seesaw shaft 71, a pressing surface 211 is arranged on the right side surface of the poking block 2, and the pressing surface 211 is located on the front side of the seesaw rod 7, so that when the pressing surface 211 rotates clockwise along with the poking block 2, the pressing surface 211 is abutted against the seesaw rod 7, and two ends of the seesaw rod 7 are limited by the gear 95 and the pressing surface 211 respectively and cannot enter a separation space.

When the pressing surface 211 presses the seesaw, the lower clutch block 42 is connected with the rotation stopping section 12 in a clamping way, and the shifting block 2 cannot rotate, so that the handcuffs are locked, and the movable arc catches cannot rotate clockwise or anticlockwise.

The base frame 5 is fixedly connected with the box cavity, and the shifting block 2 is connected with the seesaw rod 7, so that the seesaw rod 7 is linked with the shifting block 2.

The clutch of the present embodiment is integrally welded by a welding process, but the clutch 4 may be integrally formed by die casting, electric discharge machining, or the like, so that the upper clutch ring 41 and the lower clutch block 42 are both part of the clutch 4.

The dial 2 of the present embodiment is provided below the clutch 4.

The upper end of the reset spring 6 of this embodiment abuts against the clutch, the lower end of the reset spring abuts against the upper surface of the shifting block 2, and certainly, a receiving piece can be arranged on the linkage shaft, the receiving piece is arranged between the clutch 4 and the shifting block 2, and the reset spring 6 is arranged between the clutch 4 and the receiving piece.

An idling sleeve 8 coaxial with a rotating shaft of the linkage shaft is sleeved on the linkage shaft, the idling sleeve 8 is rotatably connected with the linkage shaft, so that the idling sleeve 8 can rotate on the linkage shaft, and the position of the idling sleeve 8 is the idling section. Because the setting of idle rotating sleeve, so can live with the universal driving shaft cover with the aperture of key mesopore making big, but after doing big with the aperture of key mesopore, the drive section can't be lived to the sleeve of single diameter, and after lawless persons lived idle rotating sleeve, the discovery can rotate, just in order to open, but actually can not open, can let lawless persons know the measures.

The base frame 5 of this embodiment is a cylindrical member with an upward opening, the limiting piece 3 is arranged on the opening, the linkage shaft, the toggle block 2, the limiting piece 3, the clutch 4 and the return spring 6 are all arranged in a cylindrical cavity of the base frame 5, the base frame 5 is provided with an extending port 51, and the extending port 51 is arranged at the side of the toggle block 2.

Of course, the edge shape of the cross section of the driving segment 11, the edge shape of the cross section of the rotation stopping segment 12, the edge shape of the cross section of the limiting hole 31, the edge shape of the cross section of the engaging hole 421, the edge shape of the cross section of the engaging recess 32, the edge shape of the upper end cross section inside of the upper engaging ring 41, and the edge shape of the upper end cross section outside of the upper engaging ring 41 may be made rotation stopping. In the present embodiment, all the rotation-stopping shapes are regular hexagons.

The left side that the box intracavity was equipped with dials piece 2 is equipped with marble 10, be equipped with spacing spring 101 on marble 10, the one end of spacing spring 101 and the chamber wall fixed connection in box chamber, spacing spring 101's the other end is connected with marble 10, make marble 10 remain throughout with the side butt of dialling piece 2, still be equipped with the locking group on the side of dialling piece 2, the locking group, it establishes respectively in the both sides of universal driving shaft to stir breach 21, the first locking hole 214 that the locking group set up including the interval, second locking hole 215, such setting, through the marble respectively with first locking hole 214, the touching that second locking hole 215 is connected, hand feeling or sound feedback that provide the handcuff unblock or lock.

The whole seesaw rod 7 extends from left to right, the buckling tooth part is arranged on the right side of the seesaw shaft 71, the size of the lock box in the front-back direction is reduced, the miniaturization of the whole handcuffs is facilitated, the seesaw rod sequentially extends to the right, extends downwards, extends integrally to the right and extends to the left front as shown in figure 1, and therefore the seesaw rod is in an arc-shaped trend substantially, and the miniaturization of the whole handcuffs is greatly facilitated.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims (10)

1. The utility model provides a handcuff, includes curved fixed arc that links together with handcuff pivot (93) and copies (91), curved movable arc copy (92), and the left side at fixed arc copy (91) is established in movable arc copy (92), and the front end of fixed arc copy (91) is equipped with handcuff pivot (93), its characterized in that: the lifting rod type arc copy machine is characterized by further comprising a lifting rod spring (72), a lock box (94) with a box cavity is arranged at the rear end of the fixed arc copy (91), a plurality of lock teeth (921) arranged side by side are arranged on the outer side of the movable arc copy (92), a penetrating port for the lock teeth (921) to extend into the box cavity is formed in the front side of the lock box (94), a gear (95) which is meshed with the lock teeth (921) and is arranged on the rear side of the lock teeth (921) is arranged in the box cavity, and the gear (95) is connected with the cavity wall of the box cavity through a vertically arranged wheel shaft (96); a teeterboard (7) is arranged in the box cavity, the teeterboard (7) is connected by a teeterboard (71), one end of the teeterboard (7) is provided with a buckling tooth part, the buckling tooth part extends between two teeth on the gear (95), two teeth adjacent to the buckling tooth part along the clockwise direction are respectively called as a first tooth and a second tooth, a pressure angle between the first tooth and the buckling tooth part is larger than a friction angle, a pressure angle between the second tooth and the buckling tooth part is smaller than or equal to the friction angle, one end of the lifting rod spring (72) is connected with the lock box (94), and the other end of the lifting rod spring (72) is connected with the teeterboard (7), so that the buckling tooth part of the teeterboard (7) extends between the first tooth and the second tooth in a free state; a disengaging space is arranged beside the seesaw rod (7), and the disengaging space and the gear (95) are respectively arranged at two sides of the seesaw rod (7), so that the gear (95) can be disengaged from the gear (7) after the seesaw rod (7) can wind around the seesaw shaft (71) and enter the disengaging space.

2. A handcuff as claimed in claim 1, wherein: the clutch lock cylinder comprises a base frame (5) and a vertically arranged linkage shaft, the linkage shaft comprises a driving section (11) which is connected with a key in a rotation stopping manner, an idling section which is provided with a circular section and coaxial with a rotating shaft of the linkage shaft, a rotation stopping section (12) and a rotatable section (13) which are sequentially connected from top to bottom, the shape of the cross section of the driving section (11) is in a rotation stopping manner, the rotation stopping shape is the shape formed by arranging at least one bulge and/or at least one recess on the circumference of a basic circle, the circle center of the basic circle is arranged on the rotating shaft of the linkage shaft, a poking block (2) is fixedly connected to the linkage shaft, a limiting piece (3) is arranged on the base frame (5), a limiting hole (31) for connecting the key and the driving section (11) is arranged on the limiting piece (3), the shape of the cross section of the limiting hole (31) is in a rotation stopping manner, and the driving section (11) is arranged in the limiting hole (31) or the driving section (11) is arranged below the limiting hole (11) The clutch is arranged above the limiting hole (31), a clutch (4) is arranged below the limiting plate (3), the clutch (4) comprises an upper clutch ring (41) and a lower clutch block (42) which are sequentially arranged from top to bottom, the upper clutch ring (41) and the lower clutch block (42) are fixedly connected with each other, an embedding pit (32) is arranged on the lower surface of the limiting plate (3), the upper clutch ring (41) is in rotation stopping connection with the embedding pit (32), a clutch hole (421) is arranged on the lower clutch block (42), a linkage shaft penetrates through the clutch hole (421), the clutch (4) is sleeved on the linkage shaft and can move up and down along the linkage shaft, the distance between the top end of the upper clutch ring (41) and the clutch hole (421) is A, the distance between the bottom surface of the limiting hole (31) and the rotation stopping section (12) is B, the outer side wall of the rotation stopping section (12) is in rotation stopping connection with the clutch hole (421), and the A are matched with the B, so that the rotation stopping section (12) can be connected with the clutch hole (421) and the upper clutch ring (41) can be connected with the embedding pit (32) in a rotation stopping way, the rotatable section (13) is arranged below the rotation stopping section (12), the section shape of the rotatable section (13) is matched with the section shape of the clutch hole (421), so that the upper clutch ring (41) leaves the embedding pit (32) and the rotation stopping section (12) leaves the clutch hole (421), the clutch hole (421) is rotatably connected with the rotatable section (13), the shifting block (2) can rotate along with the linkage shaft, the clutch (4) is provided with a return spring (6), one end of the return spring (6) is connected with the clutch (4), the other end of the return spring (6) is connected with the base frame shaft or the linkage shaft (5) or the shifting block (2), and the clutch (4) keeps the upper clutch ring (41) connected with the limiting hole (31) in a rotation stopping way in a free state, The clutch hole (421) is connected with the rotation stopping section (12) in a rotation stopping way; the clutch (4) is provided with a lower pressing surface (422), and the lower pressing surface (422) is arranged on the upper surface of the lower clutch block (42); the universal driving device comprises a universal driving shaft, an upper clutch ring (41), a driving section, an idle section, a limiting hole (31), a linkage shaft, a driving section and a driving section, wherein a containing gap is formed in the inner side surfaces of the universal driving shaft and the upper clutch ring (41), the outer side surface of the idle section is a cylindrical surface, the shaft of the cylindrical surface of the idle section is coaxial with the rotating shaft of the universal driving shaft, the idle section is arranged in the upper clutch ring (41), downward projections of the driving section (11) are arranged;

the base frame (5) is fixedly connected with the box cavity, and the shifting block (2) is connected with the seesaw rod (7), so that the seesaw rod (7) is linked with the shifting block (2).

3. A handcuff as claimed in claim 2, wherein: the clutch (4) is an integrally formed component, so that the upper clutch ring (41) and the lower clutch block (42) are both part of the clutch (4).

4. A handcuff as claimed in claim 2, wherein: the shifting block (2) is arranged below the clutch (4).

5. A handcuff as claimed in claim 2, wherein: the universal driving device is characterized in that a bearing sheet is arranged on the universal driving shaft, the bearing sheet is arranged between the clutch (4) and the shifting block (2), and a return spring (6) is arranged between the clutch (4) and the bearing sheet.

6. A handcuff as claimed in claim 2, wherein: an idle rotation sleeve (8) coaxial with a rotating shaft of the linkage shaft is sleeved on the linkage shaft, the idle rotation sleeve (8) is rotatably connected with the linkage shaft, so that the idle rotation sleeve (8) can rotate on the linkage shaft, and the position of the idle rotation sleeve (8) is the idle rotation section.

7. A handcuff as claimed in claim 2, wherein: the base frame (5) is for having the open-ended tube-shape component that makes progress, and establish limiting plate (3) on the opening, the universal driving shaft, stir and move piece (2), limiting plate (3), clutch (4), reset spring (6) all establish the section of thick bamboo intracavity in base frame (5), are equipped with on base frame (5) and stretch into mouth (51), stretch into the side of mouth (51) establishing at stirring piece (2).

8. A handcuff as claimed in claim 2, wherein: the shape of the cross section of the driving section (11) and/or the edge shape of the cross section of the rotation stopping section (12) and/or the edge shape of the cross section of the limiting hole (31) and/or the edge shape of the cross section of the clutch hole (421) and/or the edge shape of the cross section of the embedding pit (32) and/or the shape of the inner side edge of the upper end cross section of the upper clutch ring (41) and/or the shape of the outer side edge of the upper end cross section of the upper clutch ring (41) are/is in rotation stopping shape.

9. A handcuff as claimed in claim 2, wherein: the whole seesaw rod (7) extends from left to right, and the tooth buckling part is arranged at the right side of the seesaw shaft (71).

10. A handcuff as claimed in claim 9, wherein: the poking block (2) is arranged on the left side of the seesaw shaft (71), a pressing surface (211) is arranged on the right side face of the poking block (2), and the pressing surface (211) is located on the front side of the seesaw rod (7), so that when the pressing surface (211) rotates clockwise along with the poking block (2), the pressing surface (211) is abutted to the seesaw rod (7), and two ends of the seesaw rod (7) are limited by the gear (95) and the pressing surface (211) respectively and cannot enter a separation space.

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