CN219622486U - Padlock locked by using locking rope - Google Patents

Abstract

The utility model relates to the field of padlocks, in particular to a padlock locked by using a locking rope. A padlock locked by a locking rope comprises a lock body and the locking rope; the lock comprises a lock body, a lock tongue, a driving mechanism and a lock tongue spring, wherein the lock hole is formed in the lock body; the method is characterized in that: one end of the rope body of the locking rope is provided with a locking rope head, and the other end of the rope body of the locking rope is provided with a locking rope ring; after the rope body of the locking rope is deformed, the locking rope head penetrates through the locking rope ring and then is inserted into an outer lock hole of the lock body, and the lock tongue locks the locking rope head under the action of the lock tongue spring. The lock beam of the padlock adopts a single-head locking structure of the lock rope, has the advantages of small volume, light weight, convenient carrying and use and the like, and uses the lock ropes with different materials and different lengths such as steel wire ropes, thereby expanding the application range of the lockset.

Description

Padlock locked by using locking rope

Technical Field

The utility model relates to the field of padlocks, in particular to a padlock locked by using a locking rope.

Background

The padlock is a lock for storage door/cabinet, communication base station, railway base station, electric network base station, courtyard door, luggage, bicycle, accumulator car, motorcycle, etc. The existing intelligent padlock on the market has the problems of huge lock body, heavy lock body, jing Shouxian use field and the like caused by the locking of the lock Liang Shuangtou and thick lock beam; reference is specifically made to the U-shaped smart padlock described in the patent of the utility model with publication number "CN 204920504U".

Further, the conventional padlock has the defects that the key is inconvenient to carry, the key is easy to forget to unlock, the key is easy to lose and easy to copy, and the like.

Disclosure of Invention

In order to solve the above problems, the present utility model aims to provide a padlock locked by using a locking rope, wherein a locking beam of the padlock adopts a single-head locking structure of the locking rope, and the padlock has the advantages of simple structure, small volume, light weight, convenient carrying and use, and the like, and uses locking ropes such as steel wire ropes with different materials and different lengths, thereby expanding the application range of the lockset.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a padlock locked by a locking rope comprises a lock body and the locking rope; the lock body is provided with a lock hole, and the lock body is internally provided with a lock tongue, a driving mechanism for driving the lock tongue to move and a lock tongue spring; the method is characterized in that: one end of the rope body of the locking rope is provided with a locking rope head, and the other end of the rope body of the locking rope is provided with a locking rope ring; after the rope body of the locking rope is deformed, the locking rope head penetrates through the locking rope ring and then is inserted into an outer lock hole of the lock body, and the lock tongue locks the locking rope head under the action of the lock tongue spring.

The technical scheme is adopted, and the technical scheme relates to a padlock locked by using a locking rope, wherein the padlock comprises a lock body and a locking rope, and is different from a U-shaped lock beam in the prior art; when the lock is used, the rope body of the lock rope is required to be deformed, then the lock rope head penetrates through the lock rope ring, the rope body of the lock rope is knotted to bind an object to be locked, such as a door handle, a wheel and the like, and finally the lock rope head of the lock rope is inserted into an outer lock hole of the lock body, and a lock tongue in the lock body locks the lock rope head under the action of the lock tongue spring, so that locking is completed.

Based on the scheme, the lock beam of the padlock adopts a single-head locking structure of the lock rope, has the advantages of small volume, light weight, convenient carrying and use and the like, and uses the lock ropes with different materials and different lengths such as steel wire ropes, thereby expanding the application range of the lockset.

In a specific embodiment, a lock body in the outer lock hole is provided with a lock tongue cavity, the lock tongue is movably arranged in the lock tongue cavity, and the output end of the lock tongue spring props against the lock tongue; the output end of the driving mechanism can drive the lock tongue to move along the deformation direction of the lock tongue spring. In this scheme, the spring bolt activity sets up in the spring bolt intracavity portion, and the action direction of spring bolt and actuating mechanism to the spring bolt is opposite. When the driving mechanism does not work, the output end of the driving mechanism avoids the lock tongue, and the lock tongue locks the lock rope head under the action of the lock tongue spring; unlocking is achieved when the driving mechanism acts on the lock tongue to press the lock tongue to deform.

In a further refinement, the lock tongue comprises a locking piece which is attached to the inner side of the outer lock hole, and a through hole with the same orientation as the outer lock hole is formed in the locking piece; the lock tongue spring is radially arranged relative to the outer lock hole, and the locking piece moves radially relative to the outer lock hole in the lock tongue cavity, so that the through hole is driven to be aligned or misplaced with the outer lock hole; a locking groove is formed in the locking rope head; under the locking state, the locking rope head passes through the outer lock hole and enters the through hole, and under the action of the spring bolt, the locking piece at the edge of the through hole is clamped into the locking groove for locking. In the scheme, a through hole is arranged on a locking piece in the lock tongue; under the action of the spring bolt spring and the driving mechanism, the through hole can be driven to align or misplace with the outer lock hole under the condition that the spring bolt moves radially relative to the outer lock hole; in the unlocking state driven by the driving mechanism, the through hole is aligned with the outer lock hole, and the lock rope head can penetrate out of the through hole; and in the state that the bolt spring drives to lock, the locking piece at the edge of the through hole is blocked into the locking groove to lock.

In a specific scheme, a first chamfer is formed on the end part of the locking rope head, and a second chamfer matched with the first chamfer is formed on the edge of the through hole of the locking piece. Based on the matching of the first chamfer of the locking rope head and the second chamfer of the edge of the through hole of the locking piece; in the process of locking and inserting the locking rope head, the first chamfer angle of the locking rope head extrudes the second chamfer angle of the locking piece to force the driving lock tongue to move, so that the through hole of the locking piece is opposite to the outer lock hole, and the locking rope head is allowed to pass through the through hole, thereby realizing locking.

Preferably, the lock tongue further comprises a moving sheet fixedly connected with the locking sheet, counter bores are formed in the moving sheet and the inner wall of the lock body, and two end parts of the lock tongue are positioned in the counter bores. In the scheme, two ends of the spring bolt spring are abutted against the moving plate and the counter bore of the inner wall of the lock body, and the deformation process of the spring bolt spring acts on the moving plate, so that the whole spring bolt is driven to move.

In a further preferred scheme, a lock tongue pressing plate is fixedly connected in the lock body, the lock tongue pressing plate is arranged on one side of the lock tongue opposite to the lock tongue spring, and an inner lock hole axially corresponding to the outer lock hole and a spring needle embedded in the lock tongue pressing plate are arranged on the lock tongue pressing plate; the output end of the spring needle faces the inner lock hole. The scheme adopts a lock tongue pressing plate to be arranged on one side of a lock tongue cavity and used for restricting the movement position of a limit lock tongue, and an inner lock hole and a spring needle are arranged on the lock tongue pressing plate. According to the scheme, the locking rope head is inserted into the inner lock hole after passing through the through hole, and the locking piece at the edge of the through hole is clamped into the locking groove to be locked; at the moment, the lock rope head extrudes the spring needle, and the spring needle can pop out the lock rope head in an unlocking state, so that the unlocking operation is convenient.

In the concrete scheme, the spring bolt clamp plate rigid coupling is in spring bolt chamber top, is provided with the slot corresponding with interior lockhole on the spring bolt clamp plate, and the bullet needle inlays the dress in the slot.

In a first embodiment, a driving cavity is arranged in the lock body, the driving mechanism is a mechanical lock cylinder arranged in the driving cavity, and a lock head of the mechanical lock cylinder is pressed against a moving piece of the lock tongue. The proposal adopts a mechanical lock cylinder, and is unlocked by inserting a key when in use.

In a second embodiment, the driving mechanism comprises an electronic lock cylinder arranged in the driving cavity, and an instruction input unit and an energy storage battery which are connected with the electronic lock cylinder; the rotating leg of the electronic lock cylinder is an eccentric shaft, and the eccentric shaft is pressed against the moving piece of the lock tongue. The scheme adopts the electronic lock core, and the existing electronic lock system is adopted, such as the instruction input unit is a fingerprint identification unit, a password input unit or a face recognition unit arranged on the lock body. In a preferred embodiment, a fingerprint recognition unit is used, the fingerprint recognition unit comprising at least a drive control board and a fingerprint recognizer. When the unlocking device is used, the unlocking can be realized through fingerprints, so that the unlocking is convenient, a key is not needed, and the unlocking device is not afraid of losing the key.

Preferably, the lock body comprises an upper shell and a lower shell, the upper shell and the lower shell are clamped and fixed, and the lock tongue, the driving mechanism and the lock tongue spring are packaged in the lock body.

Drawings

Fig. 1 is an exploded view of a padlock according to the present utility model.

Fig. 2 is a cross-sectional view of the padlock according to the present utility model in a locked position.

Fig. 3 is a schematic diagram of the structure of the locking rope.

Fig. 4 is a schematic structural view of the latch bolt.

Fig. 5 is an end view schematic diagram of a latch bolt platen.

Description of the embodiments

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

As shown in fig. 1 to 5, the present embodiment relates to a padlock using a locking cord, comprising a lock body 1 and a locking cord 2.

As shown in fig. 3, the locking rope 2 includes a rope body 21, one end of the rope body 21 is provided with a locking rope head 22, and the other end is provided with a locking rope ring 23. The rope body 21 connected with the rope locking ring 23 is constructed as a cylinder 24 with a larger diameter, the rope locking head 22 is constructed with a locking groove 25, and the end part of the rope locking head 22 is constructed with a first chamfer 26.

As shown in fig. 1, the lock body 1 includes an upper housing 11 and a lower housing 12, the upper housing 11 and the lower housing 12 are clamped and fixed, and the lock tongue 3, the driving mechanism and the lock tongue spring 4 are enclosed inside the lock body 1. An outer lock hole 14 is formed in the lock body 1, and a driving mechanism and a lock tongue spring 4 inside the lock body 1 drive the lock tongue 3 to move. When in use, the rope body 21 of the lock rope 2 is deformed, the lock rope head 22 passes through the lock rope ring 23 and then is inserted into the outer lock hole 14 of the lock body 1, and the lock tongue 3 locks the lock rope head 22 under the action of the lock tongue spring 4. The padlock comprises a lock body 1 and a lock rope 2, and is different from a U-shaped lock beam in the prior art, one end of a rope body 21 of the lock rope 2 in the scheme is provided with a lock rope head 22, and the other end is provided with a lock rope ring 23. When the locking rope is used, after the rope body 21 of the locking rope 2 is deformed, the locking rope head 22 penetrates through the locking rope ring 23, the rope body 21 of the locking rope 2 is knotted to bind an object to be locked, such as a door handle, a wheel and the like, finally the locking rope head 22 of the locking rope 2 is inserted into the outer lock hole 14 of the lock body 1, and the locking tongue 3 in the lock body 1 locks the locking rope head 22 under the action of the locking tongue spring 4, so that the locking is completed. Based on the scheme, the lock beam of the padlock adopts a single-head locking structure of the lock rope 2, has the advantages of small volume, light weight, convenient carrying and use and the like, and uses the lock ropes 2 with different materials and different lengths as steel wire ropes, thereby expanding the application range of the lockset.

In the specific embodiment shown in fig. 1, a lock tongue cavity 13 is provided in the lock body 1 inside the outer lock hole 14, the lock tongue 3 is movably disposed inside the lock tongue cavity 13, and the output end of the lock tongue spring 4 props against the lock tongue 3. The output end of the driving mechanism can drive the lock tongue 3 to move along the deformation direction of the lock tongue spring 4. In this scheme, spring bolt 3 activity sets up in spring bolt chamber 13 inside, and spring bolt spring 4 and actuating mechanism are opposite to the action direction of spring bolt 3. When the driving mechanism does not work, the output end of the driving mechanism avoids the lock tongue 3, and the lock tongue 3 locks the lock rope head 22 under the action of the lock tongue spring 4. Unlocking is achieved when the driving mechanism acts on the lock tongue 3 to press the lock tongue 4 to deform.

In a further refinement, the lock tongue 3 includes a locking piece 31 attached to the inner side of the outer lock hole 14, and a moving piece 32 fixedly connected to the locking piece 31. In the embodiment shown in fig. 4, the locking piece 31 is perpendicular to the moving piece 32 and has an "L" shape. Counter bores 33 are formed in the moving piece 32 and the inner wall of the lock body 1, and two end portions of the lock tongue spring 4 are positioned in the counter bores 33. In this scheme, the two ends of the bolt spring 4 are abutted against the moving plate 32 and the counter bore 33 in the inner wall of the lock body 1, and the deformation process of the bolt spring 4 acts on the moving plate 32, so as to drive the whole bolt 3 to move. The locking piece 31 is provided with a through hole 34 which is oriented in the same direction as the outer locking hole 14. The bolt spring 4 is radially arranged relative to the outer lock hole 14, and the locking piece 31 moves radially relative to the outer lock hole 14 in the bolt cavity 13, so that the through hole 34 is driven to be aligned with or dislocated from the outer lock hole 14. Said method. In the locked state, the locking rope head 22 passes through the outer locking hole 14 and enters the through hole 34, and the locking piece 31 at the edge of the through hole 34 is blocked into the locking groove 25 to be locked under the action of the lock tongue 4. In this embodiment, the locking piece 31 of the locking bolt 3 is provided with a through hole 34. Under the action of the bolt spring 4 and the driving mechanism, the bolt 3 can drive the through hole 34 to align or misplace with the outer lock hole 14 under the condition of radial movement relative to the outer lock hole 14. In the unlocked state of the drive mechanism drive, the through hole 34 is aligned with the outer lock hole 14, and the lock rope head 22 can be passed out of the through hole 34. And in the state that the bolt spring 4 drives and locks, the locking piece 31 at the edge of the through hole 34 is blocked into the locking groove 25 for locking.

In a specific embodiment, the edge of the through hole 34 of the locking piece 31 is provided with a second chamfer 35 adapted to the first chamfer 26. Based on the cooperation of the first chamfer 26 of the locking head 22 with the second chamfer 35 of the edge of the through hole 34 of the locking piece 31. During the process of locking and inserting the locking rope head 22, the first chamfer 26 of the locking rope head 22 presses the second chamfer 35 of the locking piece 31 to force the lock tongue 3 to move, so that the through hole 34 of the locking piece 31 is opposite to the outer lock hole 14, and the locking rope head 22 is allowed to pass through the through hole 34, thereby realizing locking.

In a further preferred scheme, the lock body 1 is internally and fixedly connected with a lock tongue pressing plate 5, the lock tongue pressing plate 5 is fastened on the lower shell 12 through a screw, the lock tongue pressing plate 5 is arranged on one side of the lock tongue 3 opposite to the lock tongue spring 4, and the lock tongue pressing plate 5 is provided with an inner lock hole 51 axially corresponding to the outer lock hole 14 and a spring needle 6 embedded on the lock tongue pressing plate 5. The output end of the latch needle 6 faces the inner lock hole 51. The proposal adopts a lock tongue pressing plate 5 arranged at one side of a lock tongue cavity 13 and used for restricting the movement position of a limit lock tongue 3, and an inner lock hole 51 and a spring needle 6 are arranged on the lock tongue pressing plate 5. The above-mentioned proposal describes that the locking rope head 22 is inserted into the inner locking hole 51 after passing through the through hole 34, and the locking piece 31 at the edge of the through hole 34 is locked by being blocked into the locking groove 25. At this time, the lock rope head 22 presses the latch needle 6, and in the unlocking state, the latch needle 6 can eject the lock rope head 22, thereby facilitating the unlocking operation. In a specific scheme, the spring bolt pressing plate 5 is fixedly connected above the spring bolt cavity 13, a groove 52 corresponding to the inner lock hole 51 is arranged on the spring bolt pressing plate 5, and the spring needle 6 is embedded in the groove 52.

In the first embodiment, a driving cavity 15 is disposed inside the lock body 1, and the driving mechanism is a mechanical lock cylinder disposed inside the driving cavity 15, and a lock head of the mechanical lock cylinder is pressed against a moving piece 32 of the lock tongue 3. The proposal adopts a mechanical lock cylinder, and is unlocked by inserting a key when in use.

In the second embodiment, the driving mechanism includes an electronic key cylinder 71 provided inside the driving chamber 15, and a command input unit and an energy storage battery 74 connected to the electronic key cylinder 71. The rotating leg 72 of the electronic lock cylinder 71 is an eccentric shaft, and the eccentric shaft is pressed against the moving piece 32 of the lock tongue 3. The scheme adopts the electronic lock cylinder 71, and the instruction input unit is a fingerprint identification unit, a password input unit or a face recognition unit arranged on the lock body 1 through the existing electronic lock system. In the preferred embodiment shown in the figures, a fingerprint recognition unit is used, which comprises at least a drive control board and a fingerprint recognizer 73. When the unlocking device is used, the unlocking can be realized through fingerprints, so that the unlocking is convenient, a key is not needed, and the unlocking device is not afraid of losing the key.

The padlock is used in the following manner.

Locking: in a normal state, the locking piece 31 of the lock tongue 3 partially blocks the inner lock hole 51, and the lock is in a locked state. After the object to be locked is bound by the locking rope 2, the locking rope head 22 passes through the locking rope ring 23, then the locking rope head 22 is inserted into the outer locking hole 14, the first chamfer angle 26 at the head part of the locking rope head 22 presses the second chamfer angle 35 at the edge of the through hole 34 of the locking piece 31, the locking piece 31 of the locking bolt 3 retreats, the locking rope head 22 passes through the through hole 34 and then is inserted into the inner locking hole 51 downwards, the telescopic part of the elastic needle 6 is pressed back to the body, at the moment, the locking piece 31 of the locking bolt 3 is aligned with the locking groove 25 of the locking rope head 22, under the action of the locking bolt spring 4, the locking piece 31 of the locking bolt 3 is clamped into the locking groove 25 of the locking rope head 22, and the locking rope head 22 can not be pulled out of the locking rope head 22 hole, so that the locking is completed.

Unlocking: the recorded fingerprint is input on the fingerprint identifier 73, the work indicator lights up, the drive control board receives a signal to control the motor to start to rotate, the motor rotating foot 72 applies pressure to the moving piece 32 of the lock tongue 3, the moving piece 32 and the locking piece 31 synchronously back, the lock tongue spring 4 compresses, the locking piece 31 exits the locking groove 25 on the lock rope head 22, the latch needle 6 ejects the lock rope head 22 out of the inner lock hole 51 and the through hole 34 on the locking piece 31 of the lock tongue 3, the lock rope head 22 can be pulled out of the outer lock hole 14, and the lock rope 2 is released from the bound article. Then, the motor rotates reversely automatically, the motor rotating foot 72 is separated from the moving piece 32 of the lock tongue 3, the moving piece 32 of the lock tongue 3 and the locking piece 31 synchronously move towards the motor rotating foot 72 under the action of the lock tongue spring 4, and the locking piece 31 partially blocks the inner lock hole 51, so that the lockset is in a locking state.

When the energy storage battery 74 is not powered, the USB dust plug 75 is removed, and the charging head can be used for charging through the USB charging port.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model.

Claims (10)

1. A padlock locked by a locking rope comprises a lock body (1) and the locking rope (2); a lock hole is formed in the lock body (1), and a lock tongue (3), a driving mechanism for driving the lock tongue (3) to move and a lock tongue spring (4) are arranged in the lock body (1); the method is characterized in that: one end of a rope body (21) of the locking rope (2) is provided with a locking rope head (22), and the other end is provided with a locking rope ring (23); after the rope body (21) of the lock rope (2) is deformed, the lock rope head (22) passes through the lock rope ring (23) and is inserted into the outer lock hole (14) of the lock body (1), and the lock tongue (3) locks the lock rope head (22) under the action of the lock tongue spring (4).

2. A padlock with a locking cord according to claim 1, characterized in that: a lock tongue cavity (13) is arranged in the lock body (1) in the outer lock hole (14), the lock tongue (3) is movably arranged in the lock tongue cavity (13), and the output end of the lock tongue spring (4) is propped against the lock tongue (3); the output end of the driving mechanism can drive the lock tongue (3) to move along the deformation direction of the lock tongue (4).

3. A padlock with a locking cord according to claim 2, characterized in that: the lock tongue (3) comprises a locking piece (31) which is attached to the inner side of the outer lock hole (14), and a through hole (34) which is consistent with the outer lock hole (14) in orientation is formed in the locking piece (31); the lock tongue spring (4) is radially arranged relative to the outer lock hole (14), and the locking piece (31) radially moves relative to the outer lock hole (14) in the lock tongue cavity (13), so that the through hole (34) is driven to be aligned or misplaced with the outer lock hole (14); a locking groove (25) is formed in the locking rope head (22); in the locking state, the locking rope head (22) passes through the outer locking hole (14) and enters the through hole (34), and under the action of the lock tongue spring (4), the locking piece (31) at the edge of the through hole (34) is clamped into the locking groove (25) to be locked.

4. A padlock using a locking cord according to claim 3, wherein: a first chamfer (26) is formed at the end part of the locking rope head (22), and a second chamfer (35) matched with the first chamfer (26) is formed at the edge of the through hole (34) of the locking piece (31).

5. A padlock using a locking cord according to claim 3, wherein: the lock tongue (3) further comprises a moving sheet (32) fixedly connected with the locking sheet (31), counter bores (33) are formed in the inner walls of the moving sheet (32) and the lock body (1), and two ends of the lock tongue spring (4) are positioned inside the counter bores (33).

6. A padlock using a locking cord according to claim 3, wherein: a lock tongue pressing plate (5) is fixedly connected inside the lock body (1), the lock tongue pressing plate (5) is arranged on one side of the lock tongue (3) opposite to the lock tongue spring (4), an inner lock hole (51) axially corresponding to the outer lock hole (14) and a spring needle (6) embedded on the lock tongue pressing plate (5) are arranged on the lock tongue pressing plate (5); the output end of the spring needle (6) faces the inner lock hole (51).

7. A padlock with a locking cord according to claim 6, wherein: the spring bolt clamp plate (5) is fixedly connected above the spring bolt cavity (13), a groove (52) corresponding to the inner lock hole (51) is formed in the spring bolt clamp plate (5), and the spring needle (6) is embedded in the groove (52).

8. A padlock with a locking cord according to claim 5, wherein: a driving cavity (15) is arranged in the lock body (1), the driving mechanism is a mechanical lock cylinder arranged in the driving cavity (15), and a tapered end of the mechanical lock cylinder is pressed against a moving sheet (32) of the lock tongue (3); or the driving mechanism comprises an electronic lock cylinder (71) arranged in the driving cavity (15), and an instruction input unit and an energy storage battery (74) which are connected with the electronic lock cylinder (71); the rotating leg (72) of the electronic lock cylinder (71) is an eccentric shaft, and the eccentric shaft is pressed against the moving piece (32) of the lock tongue (3).

9. A padlock with a locking cord according to claim 8, wherein: the instruction input unit is a fingerprint identification unit, a password input unit or a face recognition unit which are arranged on the lock body (1); the fingerprint recognition unit includes at least a drive control board and a fingerprint recognizer (73).

10. A padlock with a locking cord according to claim 1, characterized in that: the lock body (1) comprises an upper shell (11) and a lower shell (12), wherein the upper shell (11) and the lower shell (12) are fixed in a die clamping mode, and the lock tongue (3), the driving mechanism and the lock tongue spring (4) are packaged in the lock body (1).