CN210264251U

CN210264251U - Lock set

Info

Publication number: CN210264251U
Application number: CN201920551467.3U
Authority: CN
Inventors: 陈钦文; 钱磊; 刘家金
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: 2020-04-07
Anticipated expiration: 2029-04-22

Abstract

The utility model provides a lock, which comprises a lock core component, wherein the lock core component is arranged in a lock body, a screw is fixedly connected with the lock core component, and the lock core component is provided with a limiting position which is limited by the lock body to rotate and a rotating position for relieving the limiting position; the control assembly is arranged in the lock body, and under the condition that the lock is unlocked, the control assembly can enable the lock core assembly to be automatically switched to the rotating position from the limiting position. The staff of being convenient for rotates the lock core subassembly, and then drives the lock core subassembly and rotates, realizes the screw in and the back-out of screw rod, has avoided dismantling the lock, and the tool to lock easily loses, the problem of mixed use.

Description

Lock set

Technical Field

The utility model relates to a tool to lock equipment technical field particularly, relates to a tool to lock.

Background

In power production and use, a power switch cabinet is a common device. 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 passing anti-misoperation system is generally realized by adopting a lock locking control mode such as a nose type locking and the like. The mode is realized by matching a padlock with a lockset accessory, the locking scheme is large in size, the locking operation is complicated, and a wrench-type tool is required for unlocking; meanwhile, the lock needs to be completely separated from the power switch cabinet during unlocking, the lock is easily lost or is unlocked in batches and then locked, and the lock is placed at a wrong position for use due to human negligence, so that the safety control problem and the potential safety hazard are caused. Fig. 1 shows a nasal type locking lockset, when unlocking, firstly, a key is needed to open a padlock 3, the padlock 3 is taken out from the lockset, then, an outer sleeve of a nasal type lock 2 is pulled upwards, then, a wrench tool is needed to rotate a hexagonal square platform on a screw rod of the nasal type lock 2, the screw rod is screwed out, so that a nasal type lock body is completely separated from a switch cabinet, and unlocking is realized; when locking, the related set of operations needs to be performed reversely. Therefore, the locking operation of the lock is complex, and a tool is needed; after unlocking, the lock is separated from the original position and is easy to lose or use in a mixed way.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lock to solve the easy problem of losing, using in mixture of the tool to lock among the prior art.

In order to achieve the above object, the utility model provides a lock, include: the lock body is arranged on the door body of the base body, and a threaded hole is formed in the base body; the screw is matched with the threaded hole and provided with an unlocking position and a locking position, when the screw is positioned at the locking position, the screw is at least partially screwed into the threaded hole, and when the screw is positioned at the unlocking position, the screw avoids the threaded hole; the lock core assembly is arranged in the lock body, the screw is connected with the lock core assembly, and the lock core assembly is provided with a limiting position limited by the lock body to rotate and a rotating position for releasing the limiting position; the control assembly is arranged in the lock body, and under the condition that the lock is unlocked, the control assembly can enable the lock core assembly to be automatically switched to the rotating position from the limiting position.

Further, the plug assembly includes: the control part is arranged in the lock body, an installation cavity is arranged in the control part, a first limiting structure is arranged on the control part, and the screw rod is detachably connected to the control part or integrally designed with the control part; the lock cylinder fixing seat is installed in the installation cavity, and a lock cylinder installation hole is formed in the lock cylinder fixing seat; the lock body is provided with a third limiting structure, and the first limiting structure is matched with the second limiting structure under the condition that the lock core assembly is positioned at the limiting position so as to prevent the control part from rotating relative to the lock core fixing seat; and the second limit structure is matched with the third limit structure to prevent the lock core fixing seat from rotating relative to the lock body.

Further, be provided with spacing portion on the inner wall of control portion, control assembly includes the locking piece, and the lateral wall of lock core fixing base has been seted up and has been held the chamber, and the locking piece is movably installed in holding the chamber, and the locking piece can be by spacing portion backstop to make lock core fixing base locking in the installation cavity.

Furthermore, 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 lock cylinder rotates to drive the cam to push the side wall of the control hole, so that the locking block avoids the limiting part.

Furthermore, the control assembly comprises a first spring, a first end of the first spring abuts against the lock cylinder fixing seat, a second end of the first spring abuts against the control portion, and under the condition that the locking block avoids the limiting portion, the first spring resets to push the lock cylinder fixing seat, so that the second limiting structure is separated from the third limiting structure, and at least part of the lock cylinder fixing seat protrudes out of the lock body.

Further, the control assembly still includes the second spring, and the second spring setting is in holding the chamber, and the first end butt of second spring is on holding the diapire of chamber, and the second end butt of second spring is on the locking piece to make the locking piece can reset to the position by spacing portion backstop.

Furthermore, the side wall of the lock cylinder fixing seat is provided with a concave part and a convex structure which is positioned at one end of the concave part far away from the screw rod, the side wall of the control part is provided with an open slot, the lock cylinder assembly further comprises a limiting plate and a torsional spring, the limiting plate is pivoted in the open slot, the torsional spring is sleeved on a pivoting shaft of the limiting plate, and the limiting plate is abutted against the side wall of the lock cylinder fixing seat under the condition that the lock cylinder assembly is positioned at a limiting position; under the condition that the lock cylinder assembly is in a rotating position, the limiting plate is driven by the torsion spring to abut against the concave portion, and the protruding structure is matched with the limiting plate to limit the lock cylinder fixing seat to move towards the direction close to the screw.

Furthermore, the inner wall of the open slot, which is far away from the pivot shaft, is provided with a limiting step to prevent the limiting plate from protruding out of the side wall of the control part, and the limiting plate is provided with a step structure matched with the limiting step.

Furthermore, a positioning cavity is formed in one end, close to the screw, of the control portion, an inner boss is arranged on the inner wall of the positioning cavity, a positioning column is arranged at one end, close to the screw, of the lock cylinder fixing seat, the positioning column penetrates through the positioning cavity, the first spring sleeve is arranged on the positioning column, and the second end of the first spring abuts against the inner boss.

Furthermore, a limiting pin is arranged inside the positioning cavity, a waist-shaped through hole is formed in the positioning column, the waist-shaped through hole extends along the axis direction of the positioning column, the limiting pin penetrates through the waist-shaped through hole, and the waist-shaped through hole is matched with the limiting pin to prevent the lock cylinder fixing seat from being separated.

Further, first limit structure is the spacing groove, and the spacing groove sets up in the bottom of control part, and under the condition that the lock core subassembly is in spacing position, second limit structure is located the spacing groove.

Furthermore, the second limiting structure comprises a tooth block, the tooth block is arranged on the side wall of the lock cylinder fixing seat, the third limiting structure comprises an inner tooth ring, the inner tooth ring is arranged on the inner wall of the lock body, the tooth block is meshed with the inner tooth ring under the condition that the lock cylinder assembly is at the limiting position, and the tooth block is disengaged from the inner tooth ring under the condition that the lock cylinder assembly is at the rotating position; or the second limit structure comprises a first sawtooth part, the first sawtooth part is arranged on the end face of one end, close to the screw, of the lock cylinder fixing seat, the third limit structure comprises a second sawtooth part, the second sawtooth part is arranged on the end face of one end, close to the screw, of the lock body, the first sawtooth part is meshed with the second sawtooth part under the condition that the lock cylinder assembly is located at the limit position, and the first sawtooth part is disengaged from the second sawtooth part under the condition that the lock cylinder assembly is located at the rotating position.

Furthermore, the lockset also comprises a nut, a mounting through hole is formed in the door body of the base body, a boss section and a threaded section are arranged outside the lock body, the threaded section penetrates through the mounting through hole, the nut is screwed on the threaded section, and the boss section is matched with the nut so that the lock body is locked on the door body of the base body.

Furthermore, the control part is provided with a dustproof cover at one end far away from the screw, the dustproof cover is rotatably arranged outside the control part to shield the lock cylinder, and the lock cylinder fixing seat protrudes out of the surface of the control part under the condition that the lock cylinder assembly is at a rotating position.

Furthermore, a handle structure is arranged on the control part.

Use the technical scheme of the utility model, be provided with the screw hole on the base member, the lock body is installed on the door body of base member, the utility model discloses a tool to lock includes the screw rod, and the screw rod has the blocking position of screw in screw hole and dodges the unblock position of screw hole, and screw rod fixed connection is in the inside lock core subassembly of lock body, and the lock core subassembly has by lock body restriction pivoted stop position to and can drive screw rod pivoted rotational position under the condition of tool to lock by the unblock, control assembly can make the lock core subassembly is followed stop position automatic switch to rotational position, the staff of being convenient for rotates the lock core subassembly, and then drives the rotation of lock core subassembly, realizes the screw in and the screw-out of screw rod, has avoided dismantling the lock, and the tool to lock easily loses, the problem of mixing use.

Drawings

The accompanying drawings, which form a part of the present application, 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 and not to limit the invention. In the drawings:

fig. 1 schematically shows a block diagram of a lock of a prior art electrical switchgear;

FIG. 2 schematically illustrates a prior art power switchgear with a padlock removed from the lock;

figure 3 schematically shows an exploded view of a lock of a prior art power switchgear;

figure 4 schematically shows an exploded view of an embodiment of the lock of the present invention;

figure 5 schematically shows a cross-sectional view of an embodiment of the lock of the invention;

FIG. 6 schematically illustrates a cross-sectional view A-A of FIG. 5;

FIG. 7 schematically shows a cross-sectional view B-B of FIG. 5;

figure 8 schematically illustrates a cross-sectional view of an embodiment of the present invention when the plug assembly of the lock is ejected;

figure 9 schematically shows a cross-sectional view of an embodiment of the lock of the invention with the lock cylinder covered by a dust cap;

FIG. 10 schematically illustrates a cross-sectional view of an embodiment of the present invention with the dust cap open;

fig. 11 schematically shows a structure diagram of another embodiment of the second limit structure and the third limit structure of the present invention.

Wherein the figures include the following reference numerals:

1. a cabinet door; 2. nasal occlusion; 3. a padlock; 10. a lock body; 11. a pin hole; 12. a boss section; 13. a threaded segment; 20. a screw; 31. a control unit; 311. a mounting cavity; 312. a limiting part; 313. a locking block; 3131. a control hole; 314. an accommodating chamber; 32. a lock cylinder fixing seat; 321. a recess; 322. a raised structure; 323. a cam; 324. a positioning column; 325. a kidney-shaped through hole; 33. a lock cylinder; 34. a first spring; 35. a second spring; 36. a limiting plate; 361. a torsion spring; 362. a step structure; 363. an open slot; 364. a limiting step; 365. an inner boss; 37. a positioning cavity; 371. a spacing pin; 41. a fixing pin; 42. a hole of abdication; 43. a limiting groove; 44. a tooth block; 45. an inner gear ring; 46. a first serration; 47. a second serration; 50. a dust cover; 51. a handle structure.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As described in the background art, referring to fig. 1 to 3, the locking mode of the existing power switch cabinet is realized by using a padlock to cooperate with a lockset accessory, the locking scheme is large in volume, the locking operation is complicated, and a wrench-like tool is required for unlocking; meanwhile, the lock needs to be completely separated from the power switch cabinet during unlocking, the lock is easily lost or is unlocked in batches and then locked, and the lock is placed at a wrong position for use due to human negligence, so that the safety control problem and the potential safety hazard are caused. Fig. 1 shows a nasal type locking lockset, when unlocking, firstly, a key is needed to open a padlock 3, the padlock 3 is taken out from the lockset, then, an outer sleeve of a nasal type lock 2 is pulled upwards, then, a wrench tool is needed to rotate a hexagonal square platform on a screw rod of the nasal type lock 2, the screw rod is screwed out, so that a nasal type lock body is completely separated from a switch cabinet, and unlocking is realized; when locking, the related set of operations needs to be performed reversely. Therefore, the locking operation of the lock is complex, and a tool is needed; after unlocking, the lock is separated from the original position and is easy to lose or use in a mixed way.

In order to solve the above problems, referring to fig. 4 to 10, an embodiment of the present invention provides a lock, which includes a lock body 10, a screw rod 20, a lock cylinder assembly and a control assembly, wherein the lock body 10 is installed on a door body of a base body, and the base body is provided with a threaded hole; the screw 20 is matched with the threaded hole, the screw 20 has an unlocking position and a locking position, when the screw 20 is in the locking position, the screw 20 is at least partially screwed into the threaded hole, and when the screw 20 is in the unlocking position, the screw 20 avoids the threaded hole; the lock cylinder assembly is arranged in the lock body 10, the screw rod 20 is connected with the lock cylinder assembly, wherein the fixed connection comprises the integrated design of the screw rod 20 and the lock cylinder assembly and also comprises the detachable connection of the screw rod 20 and the lock cylinder assembly, and the lock cylinder assembly is provided with a limiting position which is limited by the lock body 10 to rotate and a rotating position for releasing the limiting; a control assembly is provided in the lock body 10 that enables the lock cylinder assembly to be automatically switched from the limit position to the rotational position when the lock is unlocked. Because the utility model discloses a tool to lock includes the screw rod, the screw rod has the blocking position of screw in screw hole and dodges the unblock position of screw hole, screw rod fixed connection is in the inside lock core subassembly of lock body, the lock core subassembly has by lock body restriction pivoted stop position, and can drive screw rod pivoted turned position, under the condition that the tool to lock was unblock, control assembly can make the lock core subassembly follow stop position automatic switch-over to turned position, the staff of being convenient for rotates the lock core subassembly, and then drive the screw rod and rotate, realize the screw in and the back-out of screw rod, avoided dismantling the lock, the tool to lock easily loses, the problem of mixed use.

Referring to fig. 4, in order to realize the mutual spacing between the cylinder assembly and the lock body, the cylinder assembly in this embodiment includes a control portion 31, a cylinder fixing seat 32 and a cylinder 33, wherein the control portion 31 is installed in the lock body 10, an installation cavity 311 is arranged inside the control portion 31, and a first spacing structure is arranged on the control portion 31; the screw 20 is detachably connected to the control part or integrally designed with the control part, the lock cylinder fixing seat 32 is installed in the installation cavity 311, a lock cylinder installation hole is formed in the lock cylinder fixing seat 32, the lock cylinder 33 is installed in the lock cylinder installation hole, a second limiting structure is arranged on the lock cylinder fixing seat 32, the lock body 10 is provided with a third limiting structure, and the first limiting structure is matched with the second limiting structure under the condition that the lock cylinder assembly is located at the limiting position so as to prevent the control part 31 from rotating relative to the lock cylinder fixing seat 32; and the second limit structure cooperates with the third limit structure to prevent the lock cylinder fixing seat 32 from rotating relative to the lock body 10. Under the circumstances that the lock core subassembly is spacing by the lock body, it is spacing each other through first limit structure and second limit structure between control part and the lock core fixing base, it is spacing each other through second limit structure and third limit structure between lock core fixing base and the lock body, and then realize the lock body spacing to control part and lock core fixing base, make the unable rotation of control part, be in under the circumstances of pivoted position at the lock core subassembly, second limit structure breaks away from third limit structure, make the control part can rotate, and then drive the screw rod and rotate, make the screw rod switch between blocking position and unblock position.

Referring to fig. 5, in order to lock the key cylinder fixing seat 32 in the mounting cavity, a limiting portion 312 is disposed on an inner wall of the control portion 31 in this embodiment, where the limiting portion 312 is a limiting flange, the control assembly includes a locking block 313, an accommodating cavity 314 is disposed on a side wall of the key cylinder fixing seat 32, the locking block 313 is movably mounted in the accommodating cavity 314, the locking block 313 can be stopped by the limiting portion 312, so that the key cylinder fixing seat 32 is locked in the mounting cavity 311, the locking block 313 is movable in the accommodating cavity, and when extending out, the locking block is stopped by the limiting portion, so as to achieve locking, and when retracting, the key cylinder fixing seat can move in the accommodating cavity, so as to achieve disengagement of the third limiting structure and the second limiting structure.

In order to facilitate the user to control the locking block, a control hole 3131 is disposed on the locking block 313 in this embodiment, the control assembly further includes a cam 323, the cam 323 is fixedly connected to the lock cylinder 33 and penetrates through the control hole 3131, the lock cylinder 33 rotates to drive the cam 323 to push the side wall of the control hole 3131, so that the locking block 313 avoids the limiting portion 312, when unlocking, the user inserts a key into the lock cylinder to drive the lock cylinder to rotate, the lock cylinder drives the cam to rotate, so that the locking block retracts, and when retracting, the lock cylinder fixing seat can move in the accommodating cavity, so that the third limiting structure and the second limiting structure are disengaged.

In order to realize that the lock cylinder assembly is automatically switched to the rotating position, the control assembly in this embodiment includes a first spring 34, a first end of the first spring 34 abuts against the lock cylinder fixing seat 32, a second end of the first spring 34 abuts against the control portion 31, when the locking block 313 avoids the limiting portion 312, the first spring 34 resets to push the lock cylinder fixing seat 32, so that the second limiting structure is separated from the third limiting structure, at least part of the lock cylinder fixing seat protrudes out of the lock body 10, 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, so that the locking block retracts, when retracting, the lock cylinder fixing seat can move in the accommodating cavity, the first spring applies a spring force to the lock cylinder fixing seat, so that the second limiting structure is separated from the third limiting structure, and the control portion can be rotated.

In order to realize the automatic reset of the locking block, the control assembly in this embodiment further includes a second spring 35, the second spring 35 is disposed in the accommodating cavity 314, a first end of the second spring 35 abuts on the bottom wall of the accommodating cavity 314, and a second end of the second spring 35 abuts on the locking block 313, so that the locking block 313 can be reset to the position stopped by the stopper 312.

Referring to fig. 5 and 8, after the plug assembly is switched to the rotation position, in order to prevent the plug assembly from returning to the limit position by mistake in the process of rotating the control part by a user, so that the process of rotating the screw rod is smoother, in the embodiment, the sidewall of the plug fixing seat 32 is provided with a concave part 321 and a convex structure 322 located at one end of the concave part 321 away from the screw rod 20, the sidewall of the control part 31 is provided with an open slot 363, the plug assembly further includes a limit plate 36 and a torsion spring 361, the limit plate 36 is pivoted in the open slot 363, the torsion spring 361 is sleeved on a pivoting shaft of the limit plate 36, and the limit plate 36 abuts against the sidewall of the plug fixing seat 32 when the plug assembly is at the limit position; under the condition that the lock core assembly is in the pivoted position, torsional spring 361 drives limiting plate 36 butt in concave part 321, protruding structure 322 cooperates with limiting plate 36, limit lock core fixing base 32 to the direction motion that is close to screw rod 20, the lock core assembly mistake has been prevented through the cooperation between limiting plate and the protruding structure and has been got back to the limit position, in the shutting process, the user can rotate lock core fixing base, make the limiting plate butt on the lateral wall of lock core fixing base again, promptly non-concave part position, make the limiting plate no longer cooperate with protruding structure, lock core fixing base can be promoted, get back to the limit position, second limit structure and third limit structure cooperate spacingly, after the unblock, lock core fixing base salient in control portion surface simultaneously, and the limiting plate can't push back to its spacing, can't close the shield, play the effect of suggestion unblock state.

In order to prevent the limiting plate from turning outwards, the inner wall of the open slot 363 away from the pivot axis in this embodiment is provided with a limiting step 364 to prevent the limiting plate 36 from protruding the side wall of the control part 31, and the limiting plate 36 is provided with a step structure 362 matched with the limiting step 364.

In order to make the movement of the lock cylinder fixing seat more accurate and improve the smoothness during the locking and unlocking processes, in this embodiment, a positioning cavity 37 is disposed at one end of the control portion 31 close to the screw 20, an inner boss 365 is disposed on an inner wall of the positioning cavity 37, a positioning column 324 is disposed at one end of the lock cylinder fixing seat 32 close to the screw 20, the positioning column 324 is inserted into the positioning cavity 37, the first spring 34 is sleeved on the positioning column 324, and a second end of the first spring 34 abuts against the inner boss 365.

Under the condition that the lock cylinder assembly is at the rotating position, or in the process of switching to the rotating position, in order to prevent the lock cylinder fixing seat from being separated from the inside of the control part, a limiting pin 371 is arranged inside the positioning cavity 37 in the embodiment, a waist-shaped through hole 325 is arranged on the positioning column 324, the waist-shaped through hole 325 extends along the axis direction of the positioning column 324, the limiting pin 371 is arranged in the waist-shaped through hole 325 in a penetrating manner, and the waist-shaped through hole 325 is matched with the limiting pin 371 to prevent the lock cylinder fixing seat 32 from being separated.

Screw rod 20 in this embodiment detachably installs in the bottom of control portion 31, or screw rod 20 and control portion 31 integrative setting, preferably, screw rod 20 detachably installs in the bottom of control portion 31, conveniently cooperates different cubical switchboard screw, chooses for use different screw rod specifications.

In order to facilitate the user to replace the screw rod, the bottom end of the control part 31 is provided with a pin hole 11, the fixing pin is inserted into the pin hole 11, so that the end of the screw rod 20 is connected to the bottom end of the control part, the side wall of the lock body 10 is provided with a step-down hole 42, and when the lock core assembly is at the limiting position, the step-down hole 42 corresponds to the position of the fixing pin 41. When needing to be changed, the user use the instrument to stretch into from the hole of stepping down and take out the fixed pin can, wherein the fixed pin also can be screw or other connecting pieces.

Specifically, the first limiting structure in this embodiment is a limiting groove 43, the limiting groove 43 is disposed at the bottom of the control portion 31, and the first limiting structure is located in the limiting groove 43 when the plug assembly is in the limiting position. The second limiting structure comprises a toothed block 44, the third limiting structure comprises an inner toothed ring 45, the toothed block 44 is meshed with the inner toothed ring 45 when the lock cylinder assembly is at the limiting position, the second limiting structure comprises a toothed block 44, the toothed block is arranged on the side wall of the lock cylinder fixing seat 32, the third limiting structure comprises an inner toothed ring 45, the inner toothed ring 45 is arranged on the inner wall of the lock body 10, the toothed block 44 is meshed with the inner toothed ring 45 when the lock cylinder assembly is at the limiting position, and the toothed block 44 is disengaged from the inner toothed ring 45 when the lock cylinder assembly is at the rotating position;

as another embodiment, the second limiting structure includes a first serration 46, the first serration 46 is disposed on the end surface of the key cylinder fixing base 32 near one end of the screw 20, the third limiting structure includes a second serration 47, the second serration 47 is disposed on the end surface of the lock body 10 near one end of the screw 20, the first serration 46 is engaged with the second serration 47 when the key cylinder assembly is in the limiting position, and the first serration 46 is disengaged from the second serration 47 when the key cylinder assembly is in the rotating position.

In order to firmly fix the lock of the present embodiment on the door body of the base body, the lock of the present embodiment further includes a nut, the door body of the base body is provided with an installation through hole, the exterior of the lock body 10 is provided with a boss section 12 and a threaded section 13, the threaded section 13 penetrates through the installation through hole, the nut is screwed on the threaded section 13, the boss section 12 is matched with the nut so as to lock the lock body 10 on the door body of the base body, and of course, the lock body may also be connected with the door body in other manners, such as welding and the like.

In order to prevent dust for the lock cylinder and remind an operator of the state of the lock, one end of the control part 31, which is far away from the screw rod 20, is provided with a dust cover 50, the dust cover 50 is rotatably arranged outside the control part 31 to shield the lock cylinder 33, and under the condition that the lock cylinder assembly is in a rotating position, the lock cylinder fixing seat 32 protrudes out of the surface of the control part 31, so that the dust cover cannot be tightly covered, the operator is reminded, and the lock is not locked at the moment.

In order to facilitate the user to screw the control part, a handle structure 51 is further provided on the control part 31.

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

the utility model discloses a tool to lock includes the screw rod, the screw rod has the blocking position of screw in screw hole and dodges the unblock position of screw hole, screw rod fixed connection is in the inside lock core subassembly of lock body, the lock core subassembly has by lock body restriction pivoted stop position, and can drive screw rod pivoted turned position, under the condition of tool to lock by the unblock, control assembly can make the lock core subassembly follow stop position automatic switch-over to turned position, the staff of being convenient for rotates the lock core subassembly, and then drive the rotation of lock core subassembly, realize the screw in and the back-out of screw rod, avoided dismantling the lock, the tool to lock easily loses, the problem of mixed use.

It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. 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 according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements 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 … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship 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 of the device in use or operation in addition to the orientation depicted in the figures.

For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the foregoing 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 dictates 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 here. 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 certain embodiments described herein is not to be limited in scope by the specific aspects illustrated. 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 apparatuses, in addition to 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 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 is to be understood that this disclosure is not limited to particular methods, reagents, compounds, compositions or biological systems, which can, 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 a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement 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:

the lock body (10) is mounted on a door body of a base body, and a threaded hole is formed in the base body;

a threaded rod (20), the threaded rod (20) being adapted to the threaded bore, the threaded rod (20) having an unlocked position and a locked position, the threaded rod (20) being at least partially threaded into the threaded bore when the threaded rod (20) is in the locked position, the threaded rod (20) being clear of the threaded bore when the threaded rod (20) is in the unlocked position;

the lock core assembly is installed in the lock body (10), the screw rod (20) is connected with the lock core assembly, and the lock core assembly is provided with a limiting position limited by the lock body (10) to rotate and a rotating position for releasing the limiting;

the control assembly is arranged in the lock body (10), and can enable the lock cylinder assembly to be automatically switched to the rotating position from the limiting position under the condition that the lock is unlocked.

2. The lock according to claim 1, wherein said plug assembly comprises:

the control part (31) is installed in the lock body (10), an installation cavity (311) is formed in the control part (31), a first limiting structure is arranged on the control part (31), and the screw rod (20) is detachably connected to the control part (31) or integrally designed with the control part (31);

the lock cylinder fixing seat (32) is installed in the installation cavity (311), and a lock cylinder installation hole is formed in the lock cylinder fixing seat (32);

the lock core (33) is installed in the lock core installation hole, a second limiting structure is arranged on the lock core fixing seat (32), a third limiting structure is arranged on the lock body (10), and the first limiting structure is matched with the second limiting structure under the condition that the lock core assembly is located at the limiting position so as to prevent the control part (31) from rotating relative to the lock core fixing seat (32); and the second limit structure is matched with the third limit structure to prevent the lock cylinder fixing seat (32) from rotating relative to the lock body (10).

3. The lock according to claim 2, characterized in that a limiting portion (312) is arranged on an inner wall of the control portion (31), the control assembly comprises a locking block (313), an accommodating cavity (314) is formed in a side wall of the key cylinder fixing seat (32), the locking block (313) is movably installed in the accommodating cavity (314), and the locking block (313) can be stopped by the limiting portion (312) to lock the key cylinder fixing seat (32) in the installation cavity (311).

4. The lock according to claim 3, characterized in that a control hole (3131) is formed in the locking block (313), the control assembly further comprises a cam (323), the cam (323) is fixedly connected with the lock cylinder (33) and is arranged in the control hole (3131) in a penetrating manner, and the lock cylinder (33) can drive the cam (323) to push the side wall of the control hole (3131) by rotation, so that the locking block (313) avoids the limiting portion (312).

5. The lock according to claim 3, characterized in that said control assembly comprises a first spring (34), a first end of said first spring (34) abuts against said cylinder holder (32) and a second end of said first spring (34) abuts against said control portion (31), said first spring (34) being adapted to push said cylinder holder (32) back in case said locking block (313) is out of said limit portion (312), so as to disengage a second limit structure from a third limit structure, said cylinder holder (32) at least partially protruding from said lock body (10).

6. The lock according to claim 5, characterized in that said control assembly further comprises a second spring (35), said second spring (35) being arranged in said housing cavity (314), a first end of said second spring (35) abutting on a bottom wall of said housing cavity (314), a second end of said second spring (35) abutting on said locking block (313) so as to enable said locking block (313) to be reset to a position stopped by said stop (312).

7. The lock according to claim 2, characterized in that the side wall of the lock cylinder fixing seat (32) is provided with a recess (321) and a protruding structure (322) located at one end of the recess (321) far away from the screw (20), the side wall of the control part (31) is provided with an open slot (363), the lock cylinder assembly further comprises a limit plate (36) and a torsion spring (361), the limit plate (36) is pivoted in the open slot (363), the torsion spring (361) is sleeved on the pivoting shaft of the limit plate (36), and when the lock cylinder assembly is located at the limit position, the limit plate (36) abuts against the side wall of the lock cylinder fixing seat (32); under the condition that the lock cylinder assembly is located at the rotating position, the torsion spring (361) drives the limiting plate (36) to abut against the concave part (321), the protruding structure (322) is matched with the limiting plate (36), and the lock cylinder fixing seat (32) is limited to move towards the direction close to the screw (20).

8. The lock according to claim 7, characterized in that the inner wall of the open slot (363) away from the pivot axis is provided with a limit step (364) to prevent the limit plate (36) from protruding the side wall of the control portion (31), and the limit plate (36) is provided with a step structure (362) adapted to the limit step (364).

9. The lock according to claim 5, characterized in that a positioning cavity (37) is provided at one end of the control portion (31) close to the screw (20), an inner boss (365) is provided on an inner wall of the positioning cavity (37), a positioning post (324) is provided at one end of the lock cylinder fixing seat (32) close to the screw (20), the positioning post (324) is inserted into the positioning cavity (37), the first spring (34) is sleeved on the positioning post (324), and a second end of the first spring (34) abuts against the inner boss (365).

10. The lock according to claim 9, wherein a limit pin (371) is disposed inside the positioning cavity (37), a waist-shaped through hole (325) is disposed on the positioning column (324), the waist-shaped through hole (325) extends along the axial direction of the positioning column (324), the limit pin (371) is inserted into the waist-shaped through hole (325), and the waist-shaped through hole (325) is matched with the limit pin (371) to prevent the lock cylinder fixing seat (32) from being removed.

11. The lock according to claim 2, wherein said first stop formation is a stop groove (43), said stop groove (43) being provided at the bottom of said control portion (31), and said second stop formation being located in said stop groove (43) with said plug assembly in said stop position.

12. The lock according to claim 2, characterized in that the second stop structure comprises a toothed block (44) arranged on a side wall of the cylinder holder (32), the third stop structure comprises an inner toothed ring (45), the inner toothed ring (45) being arranged on an inner wall of the lock body (10), the toothed block (44) engaging with the inner toothed ring (45) with the cylinder assembly in the stop position, the toothed block (44) disengaging from the inner toothed ring (45) with the cylinder assembly in the rotational position;

or the second limiting structure comprises a first sawtooth part (46), the first sawtooth part (46) is arranged on the end face of the lock cylinder fixing seat (32) close to one end of the screw rod (20), the third limiting structure comprises a second sawtooth part (47), the second sawtooth part (47) is arranged on the end face of the lock body (10) close to one end of the screw rod (20), the first sawtooth part (46) is meshed with the second sawtooth part (47) under the condition that the lock cylinder assembly is in the limiting position, and the first sawtooth part (46) is disengaged from the second sawtooth part (47) under the condition that the lock cylinder assembly is in the rotating position.

13. The lock according to claim 1, characterized in that the lock further comprises a nut, a mounting through hole is formed in the door body of the base body, a boss section (12) and a threaded section (13) are arranged outside the lock body (10), the threaded section (13) penetrates through the mounting through hole, the nut is screwed on the threaded section (13), and the boss section (12) and the nut are matched to enable the lock body (10) to be locked on the door body of the base body.

14. The lock according to claim 2, characterized in that the end of the control part (31) remote from the threaded rod (20) is provided with a dust cover (50), the dust cover (50) being rotatably arranged outside the control part (31) to shield the plug (33), the plug holder (32) protruding from the surface of the control part (31) with the plug assembly in the rotated position.

15. The lock according to claim 2, characterized in that a handle structure (51) is also provided on the control portion (31).