CN110676090A - Anti-error lock - Google Patents

Abstract

The present invention provides an anti-mistake lock. Anti-error lock, including lock body, lock lever, limit pin, dual-value chip, sensing structure, latch and unlocking shaft. Provided inside the lock body, the lock rod has a locking position and an unlocking position, and the limit pin can limit the lock rod to keep the lock rod in the unlock position; wherein, at least a part of the bolt can pass through the device to be locked and extend Inside the lock body, and the part of the bolt extending into the lock body has a locking structure that cooperates with the lock rod; when the lock rod is in the locked position, the unlocking shaft can be driven to move the lock rod from the locked position to the unlocked position by rotating the key with the key. After the lock body is detached, the induction structure is separated from the sensing area of the dual-value chip, and the code value of the dual-value chip returns to the initial state. The invention solves the problems of poor safety performance and inconvenient operation of the padlock used for the knife gate in the prior art.

Description

Anti-error lock

technical field

The invention relates to the field of anti-error knife switch equipment, in particular, to an anti-mistake lock.

Background technique

At present, in the field of rail transit, a padlock is installed at the operating handle of the isolation knife gate in the train parking lot to lock the isolation knife gate. Only after the invoicing is authorized, the computer key can open the padlock of the isolation switch, and pull down the isolation switch to realize opening. Then the computer key can open the door padlock of the maintenance platform, and the maintenance personnel can enter the maintenance platform to carry out maintenance operations. This error prevention method can prevent misoperation to a certain extent. However, the existing knife gate padlocks are usually ordinary padlocks, which can only ensure that the computer key unlocks the padlock corresponding to the code value according to the operation instruction, but cannot feedback the position status of the bolt, and cannot realize the automatic locking by direct insertion of the bolt, so that it is easy for the operator to It is inconvenient to operate and difficult to be monitored by the background system after misoperation.

Therefore, in the prior art, there are problems of poor safety performance and inconvenient operation of padlocks for knife gates.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide an anti-mistake lock to solve the problems of poor safety performance and inconvenient operation of padlocks for knife gates in the prior art.

In order to achieve the above object, according to one aspect of the present invention, an anti-mistake lock is provided, comprising a lock body, a lock lever, a limit pin, a dual-value chip, an induction structure, a latch, an unlocking shaft, a lock lever, a limit pin , The unlocking shaft is movably arranged inside the lock body, the dual value chip is arranged inside the lock body and cooperates with the induction structure, the lock rod has a locking position and an unlocking position, and the limit pin can limit the lock rod to make The lock lever is kept in the unlocked position, wherein at least a part of the bolt can pass through the device to be locked and protrude into the interior of the lock body, and the part of the bolt that extends into the lock body has a locking structure that cooperates with the lock lever; when the bolt extends into the lock body When inside, the extending end of the pin squeezes the limit pin, the limit pin releases the limit on the lock lever, the lock lever switches from the unlocked position to the locked position and cooperates with the locking structure to lock the pin, and the pin triggers the sensing structure to move , the position of the sensing structure changes, and then the code value of the dual-value chip changes; when the lock lever is in the locked position, the unlocking shaft can be driven by the key to move the lock lever from the locked position to the unlocked position. The structure and the sensing position of the dual-value chip change, and the code value of the dual-value chip returns to the initial state.

Further, the outer peripheral wall of one end of the lock rod close to the limit pin has a limit flange. When the lock rod is in the unlocked position, the limit pin is engaged with the limit flange to stop, and the lock rod is kept in the unlocked position.

Further, the anti-mistake lock device further includes a first reset member, and the lock rod is provided with a first reset member to provide a reset force for the lock rod to switch from the unlocked position to the locked position.

Further, the side of the lock rod close to the unlocking shaft has a limit groove; the end of the unlock shaft close to the lock rod has a protrusion, the protrusion extends into the limit groove, and when the key is rotated to unlock the shaft, the protrusion squeezes. The slot wall of the limit slot, so that the lock lever can be switched from the locking position to the unlocking position.

Further, the protruding portion extends along the length direction of the unlocking shaft, and when the lock lever is in the locking position, the protruding portion abuts against the groove wall at one end of the limiting groove away from the limiting pin.

Further, the limit pin includes: a body section; a limit section, the limit section extends outward from the body section, and the extension end of the limit section abuts against the lock rod to keep the lock rod in the unlocked position; squeeze The extrusion segment extends outward from the body segment and is spaced from the limiting segment. The extension end of the extrusion segment is matched with the latch. When one end of the latch extends into the interior of the lock body, the latch squeezes the extension end of the extrusion segment. , the extrusion section drives the body section and the limit section to move in the direction away from the latch under the action of the extrusion force, the limit section releases the limit on the lock rod, and the lock rod is switched from the unlocked position to the locked position.

Further, the anti-mistake lock device further includes a second reset member, when the latch is pulled out of the lock body, the second reset member provides a reset force for the body segment to move toward one side of the lock rod.

Further, the outer side wall of the unlocking shaft has an annular groove arranged along its circumferential direction, and the anti-mistaken lock also has a limit pin, and the limit pin extends into the interior of the annular groove to limit the unlocking shaft and prevent the unlocking shaft from moving along its circumference. Lengthwise movement.

Further, the locking structure is a locking groove arranged along the circumferential direction of the outer side wall of the bolt, and the lock lever has a locking protrusion matched with the locking groove; or the locking structure is an annular protrusion arranged along the circumferential direction of the outer side wall of the bolt, the lock The lever has a locking groove that cooperates with the annular projection.

Further, the sensing structure is arranged on the part of the bolt that extends into the lock body.

Further, the anti-mistake lock also includes a mounting seat, the mounting seat is movably arranged in the lock body, the sensing structure is arranged on the mounting seat, and the latch extends into the lock body and squeezes the limit pin by pressing the mounting seat.

Further, the anti-mistake lock also includes: a third reset piece, the third reset piece is arranged on the side of the mounting seat close to the limit pin, when the plug is pulled out of the lock body, the third reset piece provides the mounting seat with a distance from the limit pin. The retaining ring is arranged on the side of the mounting seat away from the third reset piece, and prevents the mounting seat from popping out of the lock body under the action of the third reset piece.

Further, the anti-mistake lock device further includes: a dust cover, the dust cover is arranged at the key socket of the lock body; and a shrapnel, the dust cover is pivotally connected with the lock body through the shrapnel.

Applying the technical solution of the present invention, the anti-mistake lock in this application includes a lock body, a lock rod, a limit pin, a dual-value chip, an induction structure, a latch and an unlocking shaft, and the lock rod, limit pin, and unlocking shaft are all movable It is arranged inside the lock body, the dual value chip is arranged inside the lock body and cooperates with the induction structure, the lock lever has a locking position and an unlocking position, and the limit pin can limit the lock lever to keep the lock lever in the unlocked position. position, wherein at least a part of the bolt can pass through the device to be locked and protrude into the interior of the lock body, and the part of the bolt that extends into the lock body has a locking structure that cooperates with the lock rod; when the bolt extends into the interior of the lock body, the bolt The extending end squeezes the limit pin, the limit pin releases the limit on the lock lever, the lock lever switches from the unlocked position to the locked position and cooperates with the locking structure to lock the pin, and the pin touches the sensing structure to move, the position of the sensing structure When the lock lever is in the locked position, the lock lever can be moved from the locked position to the unlocked position by turning the unlocking shaft with the key. When the sensing position of the chip changes, the code value of the dual-value chip returns to the initial state.

When using the anti-mistake lock with the above structure, after the bolt passes through the device to be locked and extends into the interior of the lock body and squeezes the limit pin, the lock lever can be switched from the unlocked position to the locked position, and the bolt is locked by the lock lever, preventing At this time, the false lock is in a locked state, the latch is limited to the to-be-locked device, and at the same time, the sensing element can generate induction with the dual-value chip and change the code value of the dual-value chip. When the anti-mistake lock is unlocked by the key, the unlocking shaft can drive the lock rod to move from the locked position to the unlocked position, the bolt can pull out the lock body and release the limit of the device to be locked, and the code value of the dual-value chip can be recovered. initial state. Therefore, when using the anti-mistake lock of the present application, the state of the anti-mistake lock can be accurately judged through the code value information of the dual-value chip, thereby reducing the misoperation of the knife switch by the operator.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

FIG. 1 shows a schematic structural diagram of a lock body of an anti-mistake lock according to a specific embodiment of the present invention;

Fig. 2 shows the exploded view of the anti-mistake lock in the present application;

3 shows a schematic diagram of the positional relationship between the lock lever and the limit pin when the latch of the anti-mistake lock in the present application is not inserted into the lock body;

4 shows a schematic diagram of the positional relationship between the lock lever and the limit pin when the latch of the anti-mistake lock in the present application is inserted into the lock body;

FIG. 5 is a schematic diagram showing the cooperation relationship between the unlocking shaft and the lock lever when the latch of the anti-mistake lock in the present application is inserted into the lock body.

Wherein, the above-mentioned drawings include the following reference signs:

10, lock body; 20, lock rod; 21, limit flange; 22, limit groove; 30, limit pin; 31, body section; 32, limit section; 33, extrusion section; 40, double value Chip; 50, induction structure; 60, latch; 61, locking structure; 70, unlocking shaft; 71, convex part; 72, annular groove; 80, first reset piece; 81, second reset piece; 82, The third reset piece; 90, the limit nail; 100, the mounting seat; 200, the retaining ring; 300, the dust cover; 400, the shrapnel.

Detailed ways

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless otherwise stated, the directional words used such as "upper, lower, top, bottom" are usually for the directions shown in the drawings, or for the components themselves in vertical, In terms of vertical or gravitational direction; similarly, for the convenience of understanding and description, "inner and outer" refers to the inner and outer relative to the contour of each component itself, but the above-mentioned orientation words are not used to limit the present invention.

In order to solve the problem of poor safety performance of padlocks for knife gates in the prior art, the present application provides an anti-mistake lock.

In addition, the present application also includes an anti-missing knife switch, and the anti-missing knife switch has the following anti-missing lock.

It should be noted that, in a specific embodiment of the present application, the anti-missing knife switch has two anti-missing locks, and the two anti-missing locks are respectively set at the opening position and the closing position of the anti-missing knife switch. In addition, only when the position of the anti-mistake knife switch is switched, the two anti-mistake locks can both be in the unlocked state. When the anti-mistake switch is in the open position, the anti-mistake lock at the open position is in a locked state, and the anti-mislock at the closed position is in an unlocked state. When the anti-mistake knife switch is in the closing position, the anti-mistake lock at the closing position is in a locked state, and the anti-mistake lock at the opening position is in an unlocked state. By setting in this way, the operator can effectively prevent the misoperation of the anti-misoperation switch.

As shown in FIGS. 1 to 5 , the anti-mistake lock in this application includes a lock body 10 , a lock lever 20 , a limit pin 30 , a dual-value chip 40 , a sensing structure 50 , a latch 60 and an unlocking shaft 70 , and the lock lever 20. The limit pin 30 and the unlocking shaft 70 are all movably arranged inside the lock body 10, the dual value chip 40 is arranged inside the lock body 10 and cooperates with the sensing structure 50, the lock lever 20 has a locking position and an unlocking position, and The limiting pin 30 can limit the locking lever 20 to keep the locking lever 20 in the unlocking position; wherein, at least a part of the latch 60 can pass through the device to be locked and protrude into the interior of the lock body 10, and the latch 60 protrudes into the lock The inner part of the body 10 has a locking structure 61 that cooperates with the lock rod 20; when the plug pin 60 extends into the interior of the lock body 10, the extending end of the plug pin 60 squeezes the limit pin 30, and the limit pin 30 releases the lock rod 20. The locking lever 20 switches from the unlocking position to the locking position and cooperates with the locking structure 61 to lock the latch 60, and at the same time the latch 60 triggers the movement of the sensing structure 50, the position of the sensing structure 50 changes, and then the code value of the dual-value chip 40 changes. When the lock lever 20 is in the locked position, the unlocking shaft 70 can be driven to move the lock lever 20 from the locked position to the unlocked position by turning the key. After the change occurs, the code value of the binary chip 40 returns to the initial state.

When the anti-mistake lock with the above structure is used, after the bolt 60 passes through the device to be locked and protrudes into the interior of the lock body 10 and squeezes the limit pin 30, the lock lever 20 can be switched from the unlocking position to the locking position, and the bolt 60 is The lock lever 20 is locked, the anti-mistake lock is in the locked state at this time, the latch 60 limits the position of the to-be-locked device, and the sensing element can generate induction with the dual-value chip 40 and change the code value of the dual-value chip 40 . When the anti-mistake lock is unlocked by the key, the unlocking shaft 70 can drive the lock lever 20 to move from the locked position to the unlocked position, the latch 60 can pull out the lock body 10 and can release the limit of the device to be locked, and the dual value chip The code value of 40 returns to the initial state. Therefore, when using the anti-mistake lock in the present application, the state of the anti-mistake lock can be accurately judged through the code value information of the dual-value chip 40, thereby reducing the misoperation of the knife switch by the operator.

Specifically, the outer peripheral wall of one end of the lock lever 20 close to the limit pin 30 has a limit flange 21 . When the lock lever 20 is in the unlocked position, the limit pin 30 stops and cooperates with the limit flange 21 , and the lock lever 20 remains in the unlocked position. With this arrangement, when the latch 60 extends into the lock body 10 and squeezes the limit pin 30, the limit pin 30 can move to the side away from the lock lever 20, so that the limit pin 30 can be connected to the limit pin 30. The flange 21 is disengaged, so that the locking rod 20 can be locked to the latch 60 . From this, it can be seen that the anti-mistake lock in the present application is self-locking, that is, when locking the latch 60, a key is not required.

Specifically, the anti-mistake lock device further includes a first reset member 80 , the lock rod 20 is provided with a first reset member 80 , and one end of the first reset member 80 abuts on the end of the limit flange 21 away from the limit pin 30 , so that the The lock lever 20 provides a reset force for switching from the unlocked position to the locked position. With this arrangement, after the limit pin 30 releases the limit on the lock lever 20 , the lock lever 20 can be switched from the unlocked position to the locked position under the action of the first reset member 80 , thereby realizing the locking of the latched pin 60 .

Specifically, the side of the lock lever 20 close to the unlocking shaft 70 has a limit groove 22; the end of the unlock shaft 70 close to the lock rod 20 has a protrusion 71, the protrusion 71 extends into the limit groove 22, and the key is rotated to unlock When the shaft 70 is rotated, the protruding portion 71 presses the groove wall of the limiting groove 22, so that the locking lever 20 is switched from the locking position to the unlocking position. It should be noted that, in this setting, it is necessary to ensure that when the lock lever 20 switches between the locked position and the unlocked position, the distance the lock lever 20 moves is less than or equal to the length of the limiting groove 22 in the movement direction of the lock lever 20 . Moreover, when the lock lever 20 switches between the locking position and the unlocking position at this time, the distance that the lock lever 20 moves is equal to the linear distance that the protruding portion 71 moves. However, it should be noted that the raised portion 71 in the present application can only rotate with the rotation of the unlocking shaft 70 .

Specifically, the raised portion 71 extends along the length direction of the unlocking shaft 70 , and the raised portion 71 is eccentrically disposed relative to the axis of the unlocking shaft 70 . When the lock lever 20 is in the locked position, the raised portion 71 is away from the limiting groove 22 . The groove wall at one end of the limit pin 30 abuts against. With this arrangement, it can be ensured that the protrusion 71 can effectively squeeze the limiting groove 22 and move the locking rod 20 toward the unlocking position during the process of rotating with the unlocking shaft 70 .

Specifically, the limiting pin 30 includes a body segment 31 , a limiting segment 32 and an extrusion segment 33 . The limiting section 32 extends outward from the body section 31, and the extension end of the limiting section 32 abuts against the locking rod 20 to limit the position, so as to keep the locking rod 20 in the unlocked position; the pressing section 33 extends outward from the body section 31 and It is spaced from the limiting section 32, and the extension end of the extrusion section 33 is matched with the plug pin 60. When one end of the plug pin 60 extends into the interior of the lock body 10, the plug pin 60 squeezes the extension end of the extrusion section 33, and the extrusion section 33 Under the action of the pressing force, the body section 31 and the limiting section 32 are driven to move in a direction away from the latch 60 , the limiting section 32 releases the limit on the locking rod 20 , and the locking rod 20 is switched from the unlocking position to the locking position. With this arrangement, it can effectively ensure that the limiting segment 32 and the pressing segment 33 can move synchronously. Thereby, the self-locking of the anti-mistake lock is realized, that is, a key is not required when the latch 60 is locked.

Specifically, the anti-mistake lock device further includes a second reset member 81 , when the latch 60 is pulled out of the lock body 10 , the second reset member 81 provides a reset force for the body segment 31 to move toward the side of the lock lever 20 . With this arrangement, not only the pressing section 33 and the limiting section 32 can be respectively returned to the positions before the latch 60 is inserted into the lock body 10 , but also the limiting section 32 can limit the locking rod 20 to keep the locking rod 20 in place. in the unlocked position.

Optionally, the outer side wall of the unlocking shaft 70 has an annular groove 72 arranged along its circumferential direction, and the anti-mislocking device further has a limit nail 90 , which extends into the inside of the annular groove 72 to limit the unlocking shaft 70 . position to prevent the unlocking shaft 70 from moving along its length. With this arrangement, the displacement of the unlocking shaft 70 in the longitudinal direction thereof can be prevented, thereby ensuring that the protruding portion 71 of the unlocking shaft 70 can always keep in contact with the lock lever 20 .

Specifically, the locking structure 61 is a locking groove provided along the circumferential direction of the outer side wall of the latch 60 , and the lock lever 20 has a locking protrusion matched with the locking groove; or the locking structure 61 is provided along the circumferential direction of the outer side wall of the latch 60 . An annular protrusion, the locking lever 20 has a locking groove matched with the annular protrusion.

In a specific embodiment of the present application, the locking structure 61 is a locking groove provided along the axial direction of the outer side wall of the latch 60. When the locking lever 20 is switched from the unlocking position to the locking position, at least a part of the locking structure 61 extends into the locking position. into the slot and lock the latch 60.

Optionally, the sensing structure 50 is provided on the portion of the latch 60 that protrudes into the lock body 10 .

In a specific embodiment of the present application, the anti-mistake lock further includes a mounting seat 100 , the mounting seat 100 is movably arranged in the lock body 10 , the sensing structure 50 is arranged on the mounting seat 100 , and the latch 60 extends into the lock body 10 to pass through Squeeze the mounting seat 100 to squeeze the limit pin 30 .

Specifically, the anti-missing lock further includes a third reset member 82 and a retaining ring 200 . The third reset member 82 is arranged on the side of the mounting seat 100 close to the limit pin 30. When the latch 60 is pulled out of the lock body 10, the third reset member 82 provides the mounting seat 100 with a reset force away from the limit pin 30; the retaining ring 200 is disposed on the side of the mounting seat 100 away from the third reset member 82 , and prevents the mounting seat 100 from popping out of the lock body 10 under the action of the third reset member 82 .

With this arrangement, the mounting seat 100 can not only play the role of installing the sensing structure 50, but also play a certain role in sealing and dustproofing the lock body 10, so as to ensure that when the bolt 60 is not inserted into the lock body 10, the installation The seat 100 can play a dustproof effect on the position where the latch 60 is inserted into the inside of the lock body 10 . That is to say, after the latch 60 is pulled out of the lock body 10 , the mounting seat 100 can move toward the retaining ring 200 under the action of the third reset member 82 , so that the lock body 10 is protected from dust. The retaining ring 200 is provided to prevent the mounting seat 100 from popping out of the lock body 10 .

Optionally, the false lock prevention device further includes a dust cover 300 and an elastic piece 400 . The dust cover 300 is covered at the key socket of the lock body 10 ; the dust cover 300 is pivotally connected with the lock body 10 through the elastic piece 400 . By arranging the dust cover 300, the key socket of the anti-mislock can be protected from dust. It should be pointed out that although the mounting seat 100 and the dust cover 300 both play the role of dust in the present application, the dustproof positions are different. . By arranging the elastic pieces 400 , the connection state between the dust cover 300 and the lock body 10 can be ensured.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. Using the dual-value chip 40, the status of the anti-mistake lock can be more accurately judged;

2. Improve the safety performance of the anti-mistake knife switch using the anti-mistake lock;

3. Simple structure and stable performance.

Obviously, the above-described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, acts, devices, components, and/or combinations thereof.

It should be noted that the terms "first", "second", etc. in the description and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that data so used may be interchanged under appropriate circumstances so that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (13)

1. An anti-mistake lock, characterized in that it comprises a lock body (10), a lock lever (20), a limit pin (30), a dual-value code chip (40), an induction structure (50), and a latch (60) and an unlocking shaft (70), the lock lever (20), the limit pin (30), and the unlocking shaft (70) are all movably arranged inside the lock body (10), and the binary code The sheet (40) is arranged inside the lock body (10) and cooperates with the induction structure (50), the lock lever (20) has a locking position and an unlocking position, and the limiting pin (30) can The locking lever (20) is limited to keep the locking lever (20) in the unlocked position, wherein, At least a part of the latch (60) can pass through the device to be locked and protrude into the interior of the lock body (10), and the part of the latch (60) protruding into the lock body (10) has the same the locking structure (61) matched with the locking rod (20); When the latch (60) extends into the lock body (10), the extending end of the latch (60) presses the limiting pin (30), and the limiting pin (30) is released Limiting the locking lever (20), the locking lever (20) is switched from the unlocking position to the locking position and cooperates with the locking structure (61) to lock the latch (60), and at the same time The latch (60) triggers the sensing structure (50) to move, the position of the sensing structure (50) changes, and then the code value of the dual-value chip (40) changes; When the locking lever (20) is in the locking position, the locking lever (20) can be driven to move from the locking position to the unlocking position by rotating the unlocking shaft (70) with a key, and the latch ( 60) After being separated from the lock body (10), the sensing position of the sensing structure (50) and the dual-value chip (40) changes, and the code value of the dual-value chip (40) returns to the original state. 2 . The anti-mistake lock according to claim 1 , wherein the outer peripheral wall of one end of the locking rod ( 20 ) close to the limit pin ( 30 ) has a limit flange ( 21 ), and when the lock rod ( 20 ) When the locking lever (20) is in the unlocking position, the limiting pin (30) is in stop cooperation with the limiting flange (21), and the locking lever (20) is kept in the unlocking position. 3. The anti-mistake lock according to claim 2, characterized in that, the anti-mistake lock further comprises a first reset member (80), and the lock rod (20) is provided with the first reset member (80). ) to provide the lock lever (20) with a restoring force for switching from the unlocked position to the locked position. 4. The anti-mistake lock according to claim 1, characterized in that, A limiting groove (22) is provided on one side of the locking rod (20) close to the unlocking rotating shaft (70); One end of the unlocking shaft (70) close to the lock lever (20) is provided with a protruding portion (71), the protruding portion (71) extends into the interior of the limiting groove (22), and the key rotates When the rotating shaft (70) is unlocked, the protruding portion (71) presses the groove wall of the limiting groove (22), so that the locking lever (20) is switched from the locking position to the unlocking position Location. 5 . The anti-mislocking device according to claim 4 , wherein the protruding portion ( 71 ) extends along the length direction of the unlocking shaft ( 70 ), and when the locking lever ( 20 ) is in the locking position. 6 . When the protruding portion (71) is in contact with the groove wall at the end of the limiting groove (22) away from the limiting pin (30). 6. The anti-missing lock according to claim 1, wherein the limiting pin (30) comprises: body segment (31); A limiting segment (32), the limiting segment (32) extends outward from the body segment (31), and the extending end of the limiting segment (32) abuts against the locking rod (20) for limiting , to keep the lock lever (20) in the unlocked position; an extruding section (33), the extruding section (33) extends outward from the body section (31) and is spaced apart from the limiting section (32), and the extension end of the extruding section (33) In cooperation with the latch (60), when one end of the latch (60) extends into the interior of the lock body (10), the latch (60) squeezes the extension end of the extrusion segment (33) , the pressing section (33) drives the body section (31) and the limiting section (32) to move in a direction away from the latch (60) under the action of the pressing force, and the limiting section (32) Release the limit on the lock lever (20), and the lock lever (20) is switched from the unlocking position to the locking position. 7. The anti-mistake lock according to claim 6, characterized in that the anti-mistake lock further comprises a second reset member (81), when the latch (60) is pulled out of the lock body (10), The second restoring member (81) provides the body segment (31) with a restoring force that moves toward one side of the locking rod (20). 8. The anti-mislocking device according to any one of claims 1 to 7, characterized in that, the outer side wall of the unlocking shaft (70) has an annular groove (72) disposed along its circumferential direction, and the anti-locking device The mis-locking device further has a limit pin (90), and the limit pin (90) extends into the inside of the annular groove (72) to limit the unlocking shaft (70) and prevent the unlocking shaft (70). ) along its length. 9. The anti-mistake lock according to any one of claims 1 to 7, characterized in that, The locking structure (61) is a locking groove provided along the circumferential direction of the outer side wall of the latch (60), and the locking rod (20) has a locking protrusion matched with the locking groove; or The locking structure (61) is an annular protrusion arranged along the circumferential direction of the outer side wall of the latch (60), and the locking rod (20) has a locking groove matched with the annular protrusion. 10. The anti-mistake lock according to any one of claims 1 to 7, wherein the sensing structure (50) is provided on a portion of the latch (60) extending into the lock body (10) part. 11. The anti-missing lock device according to any one of claims 1 to 7, characterized in that, the anti-missing lock device further comprises a mounting seat (100), and the mounting seat (100) is movably arranged on the lock body In (10), the sensing structure (50) is arranged on the mounting seat (100), and the latch (60) extends into the lock body (10) by pressing the mounting seat (100) to squeeze the limit pin (30). 12. The anti-mistake lock according to claim 11, wherein the anti-mislock further comprises: A third reset member (82), the third reset member (82) is disposed on the side of the mounting seat (100) close to the limit pin (30), when the plug (60) is pulled out of the When locking the body (10), the third reset member (82) provides the mounting seat (100) with a reset force away from the limit pin (30); A retaining ring (200), the retaining ring (200) is arranged on the side of the mounting seat (100) away from the third reset member (82), and prevents the mounting seat (100) from being in the third The lock body (10) is ejected under the action of the reset element (82). 13. The anti-mistake lock according to any one of claims 1 to 7, wherein the anti-mislock further comprises: a dust cover (300), the dust cover (300) is covered at the key socket of the lock body (10); An elastic sheet (400), the dust cover (300) is pivotally connected with the lock body (10) through the elastic sheet (400).

Images