CN110043136B

CN110043136B - Lock set

Info

Publication number: CN110043136B
Application number: CN201910324598.2A
Authority: CN
Inventors: 周子敬; 钱磊; 陈钦文
Original assignee: Zhuhai Unitech Power Technology Co Ltd
Current assignee: Zhuhai Unitech Power Technology Co Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2024-01-23
Anticipated expiration: 2039-04-22
Also published as: CN110043136A

Abstract

The invention provides a lock, comprising: the first lock body part is fixed on the base body and comprises a lock column; the second lock body portion, the second lock body portion includes the main part, and the main part is fixed on the door body of base member, is provided with locking part on the main part, and locking part is in the axial extension of lock post, and locking part has the locking lock post to lock the door body on the base member to and release the unblock position to the lock post locking, locking part still includes control assembly, and control assembly movably sets up in the main part, and control assembly is used for controlling the locking part and switches between locking position and unblock position. In the whole locking and unlocking process, the lock is not required to be detached, the problem that the lock is easy to lose and mix is avoided, and the usability of the lock is improved.

Description

Lock set

Technical Field

The invention relates to the technical field of lockset equipment, in particular to a lockset.

Background

In power production and use, power switch cabinets are a common type of equipment. The power switch cabinet relates to a high-voltage power supply, and the safety can be ensured only by operating according to a specified flow in use, as shown in fig. 1, for the safety control of a cabinet door 1 of the power switch cabinet, the prior error-preventing system is generally realized by adopting a lock locking control mode such as a nose locking mode. The mode is realized by adopting a mode of matching a padlock with a lockset accessory, the locking scheme is large in size and complex in locking operation, and a spanner type tool is required to be used for unlocking; meanwhile, the lock needs to be completely separated from the power switch cabinet when the lock is unlocked, the lock is easy to lose or the lock is put in an error position for use due to human negligence when the lock is unlocked in batches and is locked again, and therefore the problem of safety control and potential safety hazard are caused. Fig. 1 shows a nose locking lockset, when unlocking, firstly, a key is required to open the padlock 3, the padlock 3 is taken out from the lockset, then, the outer sleeve of the nose locking 2 is pulled upwards, then, a wrench tool is required to rotate a hexagonal table on a screw rod of the nose locking 2, the screw rod is screwed out, and the nose locking lock body is completely separated from a switch cabinet, so that unlocking is realized; when the lock is closed, a related set of operations is needed to be reversely carried out. Therefore, the locking operation of the lockset is complex, and a tool is also needed; the lock is separated from the original position after unlocking, and is easy to lose or mix.

Disclosure of Invention

The invention mainly aims to provide a lockset so as to solve the problem that the lockset in the prior art is easy to lose.

In order to achieve the above object, the present invention provides a lock, including: the first lock body part is fixed on the base body and comprises a lock column; the second lock body portion, the second lock body portion includes the main part, and the main part is fixed on the door body of base member, is provided with locking part on the main part, and locking part is in the axial extension of lock post, and locking part has the locking lock post to lock the door body on the base member to and release the unblock position to the lock post locking, locking part still includes control assembly, and control assembly movably sets up in the main part, and control assembly is used for controlling the locking part and switches between locking position and unblock position.

Further, the lock column comprises a column body and a boss, the boss is arranged on one side, far away from the base body, of the column body, the locking part comprises at least one clamping piece, and the boss is clamped by the at least one clamping piece under the condition that the locking part is at a locking position so as to lock the lock column; the boss can be withdrawn or re-snapped in with the locking portion in the unlocked position.

Further, the locking part further comprises a control column, and when the locking part is at the locking position, the control column limits the clamping piece so that the clamping piece clamps the boss; under the condition that the locking part is at the unlocking position, the control column releases the limit of the clamping piece so that the boss can be pulled out of the clamping piece.

Further, the clamping piece comprises two clamping claws which can rotate relatively, and each clamping claw comprises a mounting section and a limiting section; the mounting section is rotatably mounted in the main body through the mounting column, and a yielding gap is formed between the mounting sections of the two clamping jaws; under the condition that the locking part is at the locking position, the control column penetrates through the yielding gap to limit the clamping jaw, so that the two limiting sections are mutually close to each other to clamp the boss through the two limiting sections; under the condition that the locking part is at the unlocking position, the control column is separated from the yielding gap, and the limit of the clamping jaw is released, so that the boss can be pulled out from the two limit sections.

Further, the clamping piece comprises two clamping blocks which can be installed in the main body in a relatively sliding manner, and each clamping block comprises an inclined surface end and a limiting section; the control column comprises two inclined surface parts; the two inclined surfaces of the control column are respectively matched with the inclined surface ends of the two clamping blocks so as to limit the two clamping blocks or release the limit of the two clamping blocks; when the control column limits the two clamping blocks, the two limiting sections are mutually close to each other so as to clamp the boss; the control column releases the limit of the two clamping blocks, and the two limit sections slide away from each other so that the boss can be pulled out of the two limit sections;

or the clamping piece comprises a clamping block which can be slidably arranged in the main body, the clamping block comprises an inclined surface end and a limiting section, the control column comprises an inclined surface part, and a fixed limiting part is arranged in the main body; the inclined surface part on the control column is matched with the inclined surface end on the clamping block so as to limit the clamping block or release the limit on the clamping block; when the clamping block is limited, the limiting section of the clamping block is closed to the limiting part in the main body to clamp the boss; the control column releases the limit of the clamping block, and the limit section of the clamping block slides in the direction away from the limit part in the main body, so that the boss can be pulled out from between the limit section and the limit part.

Further, the control assembly comprises a lock cylinder fixing seat and a lock cylinder arranged in the lock cylinder fixing seat, the lock cylinder fixing seat is movably arranged in the main body, the control column is arranged at one end of the lock cylinder fixing seat, which is close to the clamping piece, and the lock cylinder fixing seat is locked in the main body under the condition that the locking part is at the locking position, so that the control column keeps the state of the limiting clamping piece; unlocking the lock cylinder can unlock the lock cylinder holder in the main body.

Further, be provided with the locking recess on the inner wall of main part, control assembly still includes the locking piece, and holding the chamber has been seted up to the lateral wall of lock core fixing base, and the locking piece is movably installed in holding the chamber, and the locking piece can wear to establish in the locking recess to make lock core locking in the main part.

Further, the locking block is provided with a control hole, the control assembly further comprises a cam, the cam is fixedly connected with the lock cylinder and penetrates through the control hole, and the cam can push the side wall of the control hole so that the locking block penetrates through the locking groove.

Further, the control assembly further comprises a first return spring, a first end of the first return spring is abutted on the bottom wall of the accommodating cavity, and a second end of the first return spring is abutted on the locking block, so that the locking block can be reset and penetrated in the locking groove.

Further, be provided with the inward flange on the lateral wall of the side that is close to the lock post in the main part, second lock body portion still includes second reset spring, and second reset spring's first end butt is on the lock core fixing base, and second reset spring's second end butt is on the inward flange, under the condition that the locking piece withdraws from the locking recess, second reset spring can promote the lock core fixing base to make the control post follow lock core fixing base to the direction motion of keeping away from the joint spare.

Further, the second lock body portion further includes a third return spring mounted between the clamping members or mounted between the clamping members and the inner wall of the main body, and when the control column releases the restriction of the clamping members, the third return spring provides a return force for the clamping members.

Further, the second lock body portion further includes a handle structure fixed to an exterior of the main body.

Further, the second lock body portion further comprises a dust cover rotatably arranged outside the main body, the dust cover is arranged on the main body to shield the lock cylinder, the plane of the main body matched with the dust cover is a matching surface, and the lock cylinder fixing seat protrudes out of the matching surface under the condition that the locking portion is at the unlocking position, so that the dust cover cannot be covered on the matching surface.

By applying the technical scheme of the invention, the lockset comprises the first lock body part and the second lock body part, wherein the first lock body part is fixed on the substrate, the second lock body part is fixed on the door body of the substrate, the second lock body part comprises a main body, the main body is provided with a locking part, the locking part is provided with a locking lock column for locking the door body at a locking position on the substrate and an unlocking position for unlocking the locking column, the locking part also comprises a control component, the control component is movably arranged in the main body, and the control component is used for controlling the locking part to switch between the locking position and the unlocking position. In the whole locking and unlocking process, the lock is not required to be detached as in the prior art, the problem that the lock is easy to lose is avoided, and the usability of the lock is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

fig. 1 schematically shows a block diagram of a prior art lock for a power switch cabinet;

FIG. 2 schematically illustrates a block diagram of a prior art power switch cabinet with a padlock removed;

fig. 3 schematically shows an exploded view of a prior art lock for a power switch cabinet;

FIG. 4 schematically illustrates an overall block diagram of an embodiment of the lock of the present invention;

FIG. 5 schematically illustrates a block diagram of a lock cylinder of an embodiment of the lock of the present invention;

FIG. 6 schematically illustrates a cross-sectional view of a second lock body of an embodiment of the lock of the present invention;

FIG. 7 schematically illustrates a cross-sectional view of an embodiment of the lock of the present invention;

FIG. 8 schematically illustrates a cross-sectional view of a lock of the present invention with a lock block withdrawn from a locking recess;

FIG. 9 schematically illustrates a cross-sectional view of an embodiment of the control post exit yield gap of the lock of the present invention;

FIG. 10 schematically illustrates another angular cross-sectional view of an embodiment of the lock of the present invention;

FIG. 11 schematically illustrates a cross-sectional view of an embodiment of a boss ejection process of the lock of the present invention;

FIG. 12 schematically illustrates a cross-sectional view of an embodiment of the lock of the present invention after the boss is withdrawn;

FIG. 13 schematically illustrates a block diagram of an embodiment of the lock of the present invention;

FIG. 14 schematically illustrates a block diagram of another embodiment of the lock of the present invention in an unlocked position;

FIG. 15 schematically illustrates a block in a locked position of another embodiment of the lock of the present invention;

FIG. 16 schematically illustrates a block in an unlocked position of another embodiment of the lock of the present invention;

fig. 17 schematically shows a block diagram of another embodiment of the lock of the present invention in a locked position.

Wherein the above figures include the following reference numerals:

1. a cabinet door; 2. a nasal lock; 3. a padlock; 10. a base; 20. a door body; 30. a first lock body portion; 31. a column; 32. a boss; 40. a second lock body; 41. a main body; 412. a locking groove; 42. a clamping piece; 421. a mounting section; 422. a limiting section; 423. a mounting column; 43. a control column; 431. a guide section; 432. a bevel portion; 433. a limit part; 44. a relief gap; 45. a lock cylinder fixing seat; 451. a lock core; 452. a receiving chamber; 46. a locking block; 461. a control hole; 47. a cam; 48. a first return spring; 481. a second return spring; 482. a third return spring; 49. a clamping block; 491. an inclined surface end; 50. a handle structure; 60. a dust cover.

Detailed Description

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

As described in the background art, referring to fig. 1 to 3, the locking mode of the current power switch cabinet is realized by adopting a padlock and a lockset accessory, the locking scheme is large in size and complex in locking operation, and a spanner type tool is required to be used for unlocking; meanwhile, the lock needs to be completely separated from the power switch cabinet when the lock is unlocked, the lock is easy to lose or the lock is put in an error position for use due to human negligence when the lock is unlocked in batches and is locked again, and therefore the problem of safety control and potential safety hazard are caused. Fig. 1 shows a nose locking lockset, when unlocking, firstly, a key is required to open the padlock 3, the padlock 3 is taken out from the lockset, then, the outer sleeve of the nose locking 2 is pulled upwards, then, a wrench tool is required to rotate a hexagonal table on a screw rod of the nose locking 2, the screw rod is screwed out, and the nose locking lock body is completely separated from a switch cabinet, so that unlocking is realized; when the lock is closed, a related set of operations is needed to be reversely carried out. Therefore, the locking operation of the lockset is complex, and a tool is also needed; the lock is separated from the original position after unlocking, and is easy to lose or mix.

In order to solve the above-described problems, referring to fig. 4 to 17, an embodiment of the present invention provides a lock including a first lock body 30 and a second lock body 40, wherein the first lock body 30 is fixed to a base 10, and the first lock body 30 includes a lock cylinder; the second lock body 40 includes a main body 41, the main body 41 is fixed on the door body 20 of the base body 10, a locking portion is provided on the main body 41, the locking portion is located on an axial extension line of the lock cylinder, the locking portion has a locking lock cylinder to lock the door body 20 at a locking position on the base body 10 and an unlocking position to unlock the lock cylinder, the locking portion further includes a control component movably provided in the main body 41, and the control component is used for controlling the locking portion to switch between the locking position and the unlocking position. The lock comprises the first lock body part and the second lock body part, wherein the first lock body part is fixed on the base body, the second lock body part is fixed on the door body of the base body, the second lock body part comprises the main body, the main body is provided with the locking part, the locking part is provided with the locking lock column so as to lock the door body at the locking position on the base body and release the unlocking position for locking the lock column, and the lock is not required to be detached in the whole locking and unlocking process as in the prior art, so that the problem that the lock is easy to lose is avoided. Wherein, the base member is the electrical switch cabinet body, and the door body is the cabinet door.

In order to match the locking process of the locking part, the lock cylinder in the embodiment comprises a cylinder 31 and a boss 32, the boss 32 is arranged on one side of the cylinder 31 far away from the base body 10, the locking part comprises at least one clamping piece 42, and the boss 32 is clamped by the at least one clamping piece 42 under the condition that the locking part is at a locking position so as to lock the lock cylinder; when the door body is locked, the boss 32 can be pulled out or re-clamped from the at least one clamping piece 42 under the condition that the locking part is at the unlocking position, and the boss is clamped by the at least one clamping piece, so that the boss cannot be pulled out from the clamping pieces, and the door body cannot be opened, and the locking of the door body is realized. The virtual lock function can also be realized in this embodiment, and under the condition of unlocking position, the boss still is located between a plurality of joint spare, and at this moment, the user opens the door, and the boss can deviate from, and this state is virtual lock state.

In order to prevent the boss of the lock post from falling out when being in the locking position, the clamping pieces are multiple, wherein the multiple represents two or more, in order to realize the control of the clamping pieces, the locking part further comprises a control post 43, the control post 43 limits the clamping piece 42 when the locking part is in the locking position, so that the clamping piece 42 clamps the boss 32, and the control post 43 releases the limit of the clamping piece 42 when the locking part is in the unlocking position, so that the boss 32 can be pulled out from the clamping piece 42.

Specifically, the clamping member 42 includes two jaws capable of rotating relatively, each of the two jaws includes a mounting section 421 and a limiting section 422, the mounting section 421 is rotatably mounted in the main body 41 through a mounting post 423, and a yielding gap 44 is formed between the mounting sections 421 of the two jaws, and under the condition that the locking portion is in the locking position, the control post 43 is inserted into the yielding gap 44 to limit the jaws, so that the two limiting sections 422 are close to each other to clamp the boss 32 through the two limiting sections 422, and under the condition that the locking portion is in the unlocking position, the control post 43 is disengaged from the yielding gap 44 to release the limitation of the jaws, so that the boss 32 can be extracted from the two limiting sections 422.

Specifically, the control assembly in the present embodiment includes a lock cylinder fixing seat 45 and a lock cylinder 451 installed in the lock cylinder fixing seat 45, the lock cylinder fixing seat 45 is movably disposed in the main body 41, the control column 43 is disposed at an end of the lock cylinder fixing seat 45 near the locking piece 42, and the lock cylinder fixing seat 45 is locked in the main body 41 with the locking portion in the locked position, so that the control column 43 maintains a state of defining the locking piece 42; unlocking lock core 451 can make lock core fixing base 45 unlock in main part 41, and wherein, lock core type can set up according to specific service environment, and during the unblock, the user inserts the key into the lock core, drives the lock core rotation to make lock core fixing base unlock in the main part, and then can drive the control post and deviate from the clearance of stepping down, make the joint spare can rotate, and then make the lock post can take out, realize the unblock.

Wherein, the inner wall of the main body 41 in this embodiment is provided with a locking groove 412, the control assembly further includes a locking block 46, the side wall of the lock cylinder fixing seat 45 is provided with a receiving cavity 452, the locking block 46 is movably installed in the receiving cavity 452, and the locking block 46 can be inserted into the locking groove 412, so that the lock cylinder 451 is locked in the main body 41. During unlocking, a user inserts a key into the lock cylinder to drive the lock cylinder to rotate, so that the locking block withdraws from the locking groove, the limitation of the main body 41 to the lock cylinder fixing seat 45 is released, the lock cylinder fixing seat 45 can drive the control column to deviate from the yielding gap, the clamping piece can rotate, and the lock column can be pulled out to unlock.

In order to control the movement of the lock block through the lock cylinder, the lock block 46 in this embodiment is provided with a control hole 461, the control assembly further includes a cam 47, the cam 47 is fixedly connected with the lock cylinder 451 and is disposed in the control hole 461, and the cam 47 can push the side wall of the control hole 461 so that the lock block 46 is disposed in the lock groove 412.

In order to automatically insert the locking block into the locking groove for locking during locking, the control assembly in this embodiment further includes a first return spring 48, a first end of the first return spring 48 abuts against a bottom wall of the accommodating cavity 452, and a second end of the first return spring 48 abuts against the locking block 46, so that the locking block 46 can be inserted into the locking groove 412 in a resetting manner. When locking, the user advances the lock core fixing seat in the main body through the key or not through the key, and after reaching the locking groove position, the locking block is worn to establish in the locking groove, restricts the removal of lock core fixing seat, and the control post can keep in the clearance of stepping down this moment.

In order to withdraw the lock block from the locking groove in the unlocking process, the lock cylinder fixing seat can withdraw from the main body automatically, so that the control column can withdraw from the yielding gap, an inner flange is arranged on the side wall of one side, close to the lock column, of the main body 41 in the embodiment, the second lock body part 40 further comprises a second reset spring 481, a first end of the second reset spring 481 is abutted on the lock cylinder fixing seat 45, a second end of the second reset spring 481 is abutted on the inner flange, under the condition that the lock block 46 withdraws from the locking groove 412, the second reset spring 481 can push the lock cylinder fixing seat 45, so that the control column 43 withdraws from the yielding gap 44 in a direction away from the lock cylinder fixing seat 45, a user inserts a key into the lock cylinder during unlocking, drives the lock cylinder to rotate, and drives the cam to withdraw from the locking groove, and then the lock cylinder fixing seat withdraws from the main body, so that the locking piece can rotate from the yielding gap, and the lock column can be unlocked.

Because the boss removes the in-process of moving out from between the joint, the joint is rotatory, leads to the clearance of stepping down to warp, in order to make the locking in-process, the control post can get into the clearance of stepping down inside smoothly, and second lock body portion 40 still includes third reset spring 482, and third reset spring 482 installs between joint 42 or installs between joint 42 and main part 41 inner wall, and when control post 43 releases the restriction to joint 42, third reset spring 482 provides the restoring force for the joint.

Specifically, two ends of the third reset spring 482 in this embodiment are respectively abutted between two opposite mounting sections 421, after the lock cylinder is taken out from the yielding gap 44, the third reset spring 482 can reset the two mounting sections 421 to restore the yielding gap 44, after the yielding gap is restored, when the yielding gap is locked, a user pushes the lock cylinder fixing seat in the main body through a key or not through the key, after the locking groove position is reached, the locking block is penetrated in the locking groove to limit the movement of the lock cylinder fixing seat, and at the same time, the control column is penetrated in the yielding gap to prevent the clamping piece from moving, thereby realizing locking. When the lock is unlocked, after the control column is separated from the abdication gap, the boss is still positioned among the clamping pieces, at the moment, a user opens the door, and the boss can be separated, and the state is a virtual lock state.

In order to facilitate the user to open the door, the second lock body 40 in this embodiment further includes a handle structure 50, and the handle structure 50 is fixed to the outside of the main body 41.

In order to prevent dust from entering the lock cylinder, the second lock body 40 in this embodiment further includes a dust cover 60, where the dust cover 60 is rotatably disposed outside the main body 41, and the dust cover is disposed on the main body 41 to shield the lock cylinder 451, and the mating plane of the main body and the dust cover is a mating surface, and under the condition that the locking portion is in the unlocking position, the lock cylinder fixing seat 32 protrudes from the mating surface, so that the dust cover cannot be disposed on the mating surface, and at this time, the dust cover cannot be closed, so that a user can be reminded of the virtual lock state at this time.

In order to facilitate the insertion of the control post into the yielding gap during the locking process, the top of the control post 43 in this embodiment is provided with a guiding section 431, the guiding section 431 gradually decreasing in a direction approaching the locking post.

Referring to fig. 14 and 15, in another embodiment of the present invention, unlike the above embodiment, the locking of the locking member does not adopt a manner of rotation of the locking member, but adopts a manner of linear movement of the locking member, the locking member 42 in this embodiment includes two locking blocks 49 slidably mounted in the main body 41, and both locking blocks 49 include a slant end 491 and a limiting section 422; the control post 43 includes two ramp sections 432; the two inclined surface parts 432 of the control column 43 are respectively matched with the inclined surface ends 491 of the two clamping blocks 49 so as to limit the two clamping blocks 49 or release the limit of the two clamping blocks 49; when the control column 43 limits the two clamping blocks 49, the two limiting sections 422 are mutually close to clamp the boss 32, the control column 43 releases the limit to the two clamping blocks 49, the two limiting sections 422 are reversely sliding to enable the boss 32 to be pulled out of the two limiting sections 422, specifically, when unlocking, a user inserts a key into the lock cylinder to drive the lock cylinder to rotate, the lock cylinder drives the cam to rotate, the locking block is enabled to withdraw from the locking groove, the second reset spring applies force to the lock cylinder fixing seat, the lock cylinder fixing seat is enabled to withdraw from the main body, the control column is driven to move in a direction away from the clamping piece, the distance between the clamping pieces can be increased, the lock column can be pulled out, and unlocking is achieved.

Referring to fig. 16 and 17, in still another embodiment of the present invention, the clamping member 42 includes a clamping block 49 slidably mounted in the main body 41, the clamping block 49 includes a slant end 491 and a limiting section 422, the control column 43 includes a slant portion 432, the third return spring 482 in this embodiment is mounted between the clamping member 42 and the inner wall of the main body 41, and a fixed limiting portion 433 is provided in the main body 41; the inclined surface part 432 on the control column 43 is matched with the inclined surface end 491 on the clamping block 49 so as to limit the clamping block 49 or release the limit on the clamping block 49; when the clamping block 49 is limited, the limiting section 422 of the clamping block 49 is closed towards the limiting part 433 in the main body 41 to clamp the lug boss 32; the control column 43 releases the limit of the clamping block 49, the limit section 422 of the clamping block 49 slides towards the direction away from the limit part 433 in the main body 41, so that the boss 32 can be pulled out from between the limit section 422 and the limit part 433, specifically, when unlocking, a user inserts a key into the lock cylinder to drive the lock cylinder to rotate, the lock cylinder drives the cam to rotate, the locking block is withdrawn from the locking groove, the second return spring applies force to the lock cylinder fixing seat, the lock cylinder fixing seat is withdrawn from the main body, the control column is driven to move towards the direction away from the clamping piece, the distance between the clamping piece and the limit part 433 can be increased, the lock cylinder can be pulled out, and unlocking is realized.

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

the lock comprises the first lock body part and the second lock body part, wherein the first lock body part is fixed on the base body, the second lock body part is fixed on the door body of the base body, the second lock body part comprises a main body, the main body is provided with the locking part, the locking part is provided with the locking column for locking the door body at the locking position on the base body and unlocking the locking column, and the lock is not required to be detached in the whole locking and unlocking process as in the prior art, so that the problem that the lock is easy to lose is avoided.

It should be noted that the foregoing detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures.

For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the above detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, like numerals typically identify like components unless context indicates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented herein. It will be readily understood that the aspects of the present disclosure, as generally described herein, and illustrated in the figures, can be arranged, substituted, combined, separated, and designed in a wide variety of different configurations, all of which are explicitly contemplated herein.

The present disclosure, in accordance with the specific embodiments described herein, is not to be limited in scope and is intended as an illustration of the various aspects. As will be apparent to those skilled in the art, many modifications and variations are possible without departing from the spirit and scope of the disclosure. Functionally equivalent methods and apparatus, other than those enumerated herein, will be apparent to those skilled in the art from the foregoing description, within the scope of the present disclosure. Such modifications and variations are intended to fall within the scope of the appended claims. The present disclosure is to be limited only by the terms of the appended claims, along with the full scope of equivalents to which such claims are entitled. It will be understood that the present disclosure is not limited to particular methods, reagents, compounds, compositions, or biological systems, which may, of course, vary. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lock, comprising:

a first lock body (30), the first lock body (30) being fixed to the base body (10), the first lock body (30) comprising a lock cylinder;

a second lock body portion (40), the second lock body portion (40) comprising a main body (41), the main body (41) being fixed to a door body (20) of the base body (10), the main body (41) being provided with a locking portion, the locking portion being located on an axial extension of the lock cylinder, the locking portion having a locking position for locking the lock cylinder to lock the door body (20) to the base body (10), and an unlocking position for unlocking the lock cylinder, the locking portion further comprising a control assembly movably provided in the main body (41), the control assembly being for controlling the locking portion to switch between the locking position and the unlocking position;

the lock cylinder comprises a cylinder body (31) and a boss (32), the boss (32) is arranged on one side, far away from the base body (10), of the cylinder body (31), the locking part comprises at least one clamping piece (42), and when the locking part is in the locking position, the boss (32) is clamped by the at least one clamping piece (42) so as to lock the lock cylinder; the boss (32) can be withdrawn or re-snapped in with the locking portion in the unlocked position;

the locking part further comprises a control column (43), and when the locking part is in the locking position, the control column (43) limits the clamping piece (42) so that the clamping piece (42) clamps the boss (32); when the locking part is at the unlocking position, the control column (43) releases the limit of the clamping piece (42) so that the boss (32) can be pulled out of the clamping piece (42);

the clamping piece (42) comprises two clamping claws capable of rotating relatively, and each clamping claw comprises a mounting section (421) and a limiting section (422); the mounting section (421) is rotatably mounted in the main body (41) through a mounting column (423), and a yielding gap (44) is formed between the mounting sections (421) of the two clamping jaws; when the locking part is at the locking position, the control column (43) penetrates through the yielding gap (44) to limit the clamping jaw, so that the two limiting sections (422) are mutually close to each other to clamp the boss (32) through the two limiting sections (422); when the locking part is at the unlocking position, the control column (43) is separated from the yielding gap (44) to release the limit of the claw, so that the boss (32) can be pulled out from the two limit sections (422).

2. The lock according to claim 1, wherein said blocking element (42) comprises two blocking blocks (49) mounted in said body (41) so as to be able to slide with respect to each other, both blocking blocks (49) comprising a beveled end (491) and a limiting section (422); the control column (43) comprises two ramp sections (432); two inclined surface parts (432) of the control column (43) are respectively matched with inclined surface ends (491) of two clamping blocks (49) so as to limit the two clamping blocks (49) or release the limit of the two clamping blocks (49); when the control column (43) limits the two clamping blocks (49), the two limiting sections (422) are mutually close to each other so as to clamp the boss (32); the control column (43) releases the limit of the two clamping blocks (49), and the two limiting sections (422) slide away from each other so that the boss (32) can be pulled out of the two limiting sections (422);

or the clamping piece (42) comprises a clamping block (49) which can be slidably arranged in the main body (41), the clamping block (49) comprises a bevel end (491) and a limiting section (422), the control column (43) comprises a bevel part (432), and a fixed limiting part (433) is arranged in the main body (41); the inclined surface part (432) on the control column (43) is matched with the inclined surface end (491) on the clamping block (49) so as to limit the clamping block (49) or release the limit on the clamping block (49); when the clamping block (49) is limited, a limiting section (422) of the clamping block (49) is closed towards a limiting part (433) in the main body (41) to clamp the boss (32); the control column (43) releases the limit of the clamping block (49), and the limit section (422) of the clamping block (49) slides in a direction away from the limit part (433) in the main body (41), so that the boss (32) can be pulled out from between the limit section (422) and the limit part (433).

3. The lock according to claim 1, characterized in that the control assembly comprises a lock cylinder holder (45) and a lock cylinder (451) mounted in the lock cylinder holder (45), the lock cylinder holder (45) being movably arranged in the main body (41), the control column (43) being arranged at an end of the lock cylinder holder (45) near the clamping piece (42), the lock cylinder holder (45) being locked in the main body (41) with the locking part in the locked position, so that the control column (43) maintains a state of limiting the clamping piece (42); unlocking the lock cylinder (451) enables the lock cylinder holder (45) to be unlocked in the main body (41).

4. A lock according to claim 3, wherein the inner wall of the main body (41) is provided with a locking groove (412), the control assembly further comprises a locking block (46), the side wall of the lock cylinder fixing seat (45) is provided with a containing cavity (452), the locking block (46) is movably arranged in the containing cavity (452), and the locking block (46) can be arranged in the locking groove (412) in a penetrating way so that the lock cylinder (451) is locked in the main body (41).

5. The lock according to claim 4, wherein the locking block (46) is provided with a control hole (461), the control assembly further comprises a cam (47), the cam (47) is fixedly connected with the lock cylinder (451) and is arranged in the control hole (461), and the cam (47) can push the side wall of the control hole (461) so that the locking block (46) is arranged in the locking groove (412) in a penetrating manner.

6. The lock according to claim 4, wherein the control assembly further comprises a first return spring (48), a first end of the first return spring (48) abutting against a bottom wall of the receiving cavity (452), a second end of the first return spring (48) abutting against the locking block (46) to enable the locking block (46) to be reset through the locking recess (412).

7. The lock according to claim 4, characterized in that an inner flange is provided on a side wall of the main body (41) close to one side of the lock cylinder, the second lock body (40) further comprises a second return spring (481), a first end of the second return spring (481) abuts against the lock cylinder fixing seat (45), a second end of the second return spring (481) abuts against the inner flange, and in case the locking piece (46) is withdrawn from the locking groove (412), the second return spring (481) can push the lock cylinder fixing seat (45) to move the control cylinder (43) from the lock cylinder fixing seat (45) in a direction away from the locking piece (42).

8. The lock according to claim 1, wherein the second lock body (40) further comprises a third return spring (482), the third return spring (482) being mounted between the clamping members (42) or between the clamping members (42) and the inner wall of the main body (41), the third return spring (482) providing a return force for the clamping members when the control post (43) releases the definition of the clamping members (42).

9. The lock according to claim 1, wherein the second lock body (40) further comprises a handle structure (50), the handle structure (50) being fixed to the outside of the main body (41).

10. A lock according to claim 3, wherein the second lock body (40) further comprises a dust cover (60), the dust cover (60) is rotatably disposed outside the main body (41), the dust cover (60) is disposed on the main body (41) to cover the lock cylinder (451), a plane where the main body (41) and the dust cover (60) cooperate is a mating surface, and the lock cylinder fixing seat protrudes from the mating surface when the locking portion is in the unlocking position, so that the dust cover (60) cannot be disposed on the mating surface.