CN213927881U - State display device and lock with same - Google Patents

Abstract

The utility model provides a state display device and have its tool to lock. Wherein, status display device includes: a first housing and a second housing pivotally connected; an elastic member disposed between the first housing and the second housing; the unlocking assembly comprises a lock cylinder, a transmission piece and a locking piece, wherein the lock cylinder is arranged on the first shell, the transmission piece and the locking piece are driven by the lock cylinder to move, the locking piece is provided with an extending position and a retracting position, when the locking piece is at the extending position, the locking piece is in butt joint with the second shell, and when the locking piece is at the retracting position, the first shell can rotate towards the second shell under the condition of external force; the state piece is in driving fit with the transmission piece and is provided with a first indication position corresponding to the extension position of the locking piece and a second indication position corresponding to the retraction position of the locking piece. Use the technical scheme of the utility model the problem of the inefficiency of the state of the inspection tool to lock among the prior art can be solved effectively.

Description

State display device and lock with same

Technical Field

The utility model relates to a tool to lock field particularly, relates to a state display device and have its tool to lock.

Background

The tool to lock has unlock state and shutting state, and the function that shows the tool to lock state is not had to the most tool to lock in the existing market, and the staff can't pass through the state of eyes direct identification tool to lock, can only confirm the state of tool to lock through pulling, rotation tool to lock handle or push down the button. The lock unlocking device brings great inconvenience to daily work and use, and particularly, when the lock unlocking device is used in industry, dozens or even hundreds of locks need to be checked at one time, so that the operation of workers is inconvenient, a large amount of time needs to be consumed, and the checking efficiency is low.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a status display device and a lock having the same to solve the problem of inefficiency in the state of the lock inspection in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a status display device including: a housing including a first housing and a second housing pivotably connected by a first rotating shaft; the elastic piece is arranged between the first shell and the second shell and provides supporting force for the first shell and enables the first shell to be matched with the unlocking piece of the lock in an abutting mode; the unlocking assembly comprises a lock cylinder, a transmission piece and a locking piece, wherein the lock cylinder is arranged on the first shell in a rotatable mode, the lock cylinder is in driving fit with the transmission piece, the transmission piece is in driving fit with the locking piece, the locking piece is provided with an extending position extending out of the first shell and a retracting position retracting into the first shell, when the locking piece is located at the extending position, the locking piece is in abutting fit with the second shell, so that the first shell can still be in abutting fit with the unlocking piece under the condition of external force, and when the locking piece is located at the retracting position, the first shell can rotate towards the second shell and is gradually separated from the unlocking piece under the condition of external force; the state piece is in driving fit with the transmission piece, the state piece is provided with a first indication position corresponding to the extension position of the locking piece and a second indication position corresponding to the retraction position of the locking piece, and the shell is provided with an observation port for observing the position of the state piece.

Further, the driving medium is the drive wheel, and the state spare is the state wheel, is provided with the first cooperation structure and the second cooperation structure of mutually supporting respectively on drive wheel and the state wheel so that the state wheel can rotate around the axis of state wheel self under the effect of drive wheel.

Further, the first matching structure is a first outer gear ring arranged on the side wall of the transmission part, and the second matching structure is a second outer gear ring arranged on the outer wall of the state part and meshed with the first outer gear ring.

Further, the upper surface of the status wheel includes a first area and a second area, the first area and the second area being different in color or identification.

Further, first casing includes casing and lower casing, be provided with the interval on the casing and set up the first accommodation space that is used for holding the lock core and the second accommodation space that is used for holding the state wheel, lower casing includes base plate portion and sets up on base plate portion and the barrel portion of undercut, the barrel portion corresponds the setting with first accommodation space, base plate portion corresponds the setting with second accommodation space, the state wheel is supported by base plate portion, partial drive wheel holds in the barrel portion, first cooperation structure stretches out outside the barrel portion in order to cooperate with second cooperation structure.

Further, one of the bottom of lock core and the top of driving medium is provided with the drive shaft, and the other one of the bottom of lock core and the top of driving medium is provided with the mating holes, and the drive shaft cooperates with the mating holes in order to drive the driving medium and rotate.

Furthermore, the second shell comprises a bottom plate, an avoiding space used for avoiding part of the first shell is arranged on the bottom plate, the locking piece is a locking piece, when the locking piece is in a retracted position, part of the first shell can enter the avoiding space, and when the locking piece is in an extended position, the lower surface of the locking piece is abutted to the second shell.

Furthermore, a first avoiding hole is formed in the bottom plate, an avoiding space is formed by the first avoiding hole, or a limiting rib extending upwards is arranged on the bottom plate, and an avoiding space is formed between one side of the limiting rib, close to the first rotating shaft, and the bottom plate.

Furthermore, the transmission part comprises a transmission part body in driving fit with the lock cylinder and the state part and a convex structure arranged at the bottom of the transmission part body, a concave structure matched with the convex structure is arranged on the locking piece, and a limiting structure matched with the locking piece is arranged on the first shell so that the locking piece can move in a preset direction under the driving of the convex structure.

Further, the convex structure is a convex column eccentrically arranged with the transmission piece body, the concave structure is a long hole arranged on the locking piece, the extending direction of the long hole is vertical to the preset direction, or the convex structure is a waist-shaped convex block, and the concave structure is a square hole arranged on the locking piece.

Further, first casing includes casing down, and the casing includes base plate portion down, sets up on base plate portion and the barrel portion that is recessed downwards and sets up the limit structure in the bottom of barrel portion, and limit structure and the bottom of barrel portion form the spout, and the locking piece is movably set up in the spout, and the driving medium body sets up in the barrel portion, and the bottom of barrel portion is provided with the second and dodges the hole, and protruding structure dodges the hole from the second and wears out and cooperate with the recessed structure of locking piece.

Further, first casing includes lower casing, and lower casing includes base plate portion and sets up on base plate portion and the recessed barrel portion downwards, is provided with the spout on the diapire of barrel portion, is provided with the mouth of dodging that is used for dodging the locking piece that corresponds with the spout on the lateral wall of barrel portion, and the spout forms limit structure.

Further, first casing includes casing and shield, is provided with the mounting hole on the casing, and the mounting hole is inside to form the first accommodation space that is used for holding the lock core, and the shield lid is established at the upper portion opening part of mounting hole.

Furthermore, the side wall of the first shell is provided with a butting protrusion, the butting protrusion and the elastic piece are located on two opposite sides of the first rotating shaft, and the lower surface of the butting protrusion forms a butting surface.

According to the utility model discloses an on the other hand provides a tool to lock, include: a lock body; the handle, but the first end pivot ground of handle sets up on the lock body, and the handle has the locking position that is fixed in on the lock body and can lock body pivoted unblock position relatively, and the tool to lock still includes: the state display device is the state display device, when the state piece of the state display device is located at the first indication position, the first shell of the state display device can be in abutting fit with the second end of the handle so that the handle is kept at the locking position, and when the state piece is located at the second indication position, the first shell can be far away from the second end of the handle under the action of external force so that the handle can move from the locking position to the unlocking position.

Further, the lock is a link lock.

Use the technical scheme of the utility model, during the shutting, lock core drive transmission spare action, the driving medium is driving power transmission to the latch so that the latch removes, still will drive power transmission to state spare. Such that the state member can be in a first indicating position when the latch member is moved to the extended position and in a second indicating position when the latch member is moved to the retracted position. The state of tool to lock can be judged through the position of observing state piece place to the inspection personnel, therefore can improve inspection efficiency greatly, solves the problem of the inefficiency of the state of the inspection tool to lock among the prior art. In addition, to the tool to lock of difference, its lock core that requires separately is different with the size of driving medium, uses the technical scheme of the utility model, with the lock core in the unblock subassembly and the setting of driving medium components of a whole that can function independently, when needs change the size to the tool to lock of difference, the structure of the lock core that makes the structure more complicated is unchangeable, only change the size of driving medium can. On one hand, the processing difficulty is reduced, and on the other hand, the universality is enhanced. Additionally, the technical scheme of the utility model carry out the modularization setting with state display device, the tool to lock of applicable various types and shape.

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 shows a schematic longitudinal section of a locking member according to a first embodiment of the state display device according to the invention in a retracted position;

FIG. 2 shows a schematic longitudinal section through the state display device of FIG. 1 with the blocking element in the extended position;

FIG. 3 is a perspective view of a state member of the state display device of FIG. 1;

FIG. 4 shows a perspective view of a transmission element of the state display device of FIG. 1;

FIG. 5 shows a schematic top view of the transmission of FIG. 4;

FIG. 6 is a schematic view of the engagement of the transmission member with the latch member of the condition display device of FIG. 1 in the retracted position;

FIG. 7 shows a schematic view of the state display device of FIG. 6 with the transmission member engaged with the locking member during unlocking;

FIG. 8 is a schematic view of the engagement of the transmission member with the latch member of the condition display device of FIG. 6 in the extended position;

fig. 9 is a perspective view illustrating a lower case of the state display apparatus of fig. 1;

fig. 10 is a perspective view illustrating a second housing of the state display apparatus of fig. 1;

fig. 11 shows a schematic longitudinal section of a latch according to a second embodiment of the state display device according to the invention in the retracted position;

FIG. 12 shows a perspective view of a transmission member of the condition display device of FIG. 11;

FIG. 13 is a schematic view of the engagement of the transmission member with the latch member of the condition display device of FIG. 11 in the extended position;

FIG. 14 shows a schematic view of the state display device of FIG. 13 with the transmission member engaged with the latch member during unlocking;

FIG. 15 is a schematic view of the engagement of the transmission member with the latch member of the condition display device of FIG. 13 in the retracted position;

fig. 16 is a perspective view of a second housing of the state display device of fig. 11;

figure 17 shows an exploded schematic view of an embodiment of a lock according to the present invention;

figure 18 shows a schematic longitudinal cross-sectional view of the lock body, handle and status display device of the lock of figure 17 in cooperation; and

figure 19 shows an exploded view of the lock body, handle and status display device of the lock of figure 17.

Wherein the figures include the following reference numerals:

1. a viewing port; 2. a first accommodating space; 3. a second accommodating space; 10. a housing; 11. a first housing; 111. an upper housing; 1111. an abutment projection; 112. a lower housing; 1121. a substrate section; 1122. a barrel portion; 1123. a limiting structure; 1124. a second avoidance hole; 1125. avoiding the mouth; 113. a dust cover; 12. a second housing; 121. a base plate; 122. a first avoidance hole; 123. a boss; 124. limiting ribs; 125. positioning blocks; 20. an elastic member; 30. an unlocking assembly; 31. a lock cylinder; 311. a drive shaft; 32. a transmission member; 321. a first mating structure; 322. a transmission member body; 323. a raised structure; 324. a mating hole; 325. a limiting column; 33. a latch; 331. a recessed structure; 40. a status piece; 41. a second mating structure; 42. a first region; 43. a second region; 50. a lock body; 60. a handle; 70. a status display device; 80. a first rotating shaft; 90. a second rotating shaft.

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 shown in fig. 1 to 4, 9, and 10, the state display device of the first embodiment includes: the device comprises a shell 10, an elastic member 20, an unlocking assembly 30 and a state member 40. Wherein the housing 10 includes a first housing 11 and a second housing 12 pivotably connected by a first rotating shaft 80. The elastic element 20 is disposed between the first housing 11 and the second housing 12, and the elastic element 20 provides a supporting force for the first housing 11 and enables the first housing 11 to be in abutting engagement with the unlocking element of the lock. The unlocking assembly 30 includes a lock cylinder 31, a transmission member 32 and a locking member 33, which are disposed on the first housing 11, the lock cylinder 31 is rotatably disposed, the lock cylinder 31 is in driving engagement with the transmission member 32, and the transmission member 32 is in driving engagement with the locking member 33. The locking member 33 has an extended position extending out of the first housing 11 and a retracted position retracted into the first housing 11, and when the locking member 33 is in the extended position, the locking member 33 is in abutting engagement with the second housing 12, so that the first housing 11 can still be in abutting engagement with the unlocking member under the condition of external force, thereby realizing the locking of the lock. When the locking member 33 is in the retracted position, the first housing 11 can rotate toward the second housing 12 and gradually separate from the unlocking member under the external force, thereby unlocking the lock. The state member 40 is in driving fit with the transmission member 32, the state member 40 has a first indication position corresponding to the extension position of the locking member 33 and a second indication position corresponding to the retraction position of the locking member 33, and the housing 10 is provided with a viewing port 1 for viewing the position of the state member 40.

By applying the technical solution of the first embodiment, when locking, the lock cylinder 31 drives the transmission member 32 to move, and the transmission member 32 transmits the driving force to the locking member 33 to move the locking member 33 and also transmits the driving force to the state member 40. Such that when the latch member 33 is moved to the extended position, the state member 40 can be in the first indicating position, and when the latch member 33 is moved to the retracted position, the state member 40 can be in the second indicating position. The state of tool to lock can be judged through the position of observing state piece 40 to the inspection personnel, therefore can improve inspection efficiency greatly, solves the problem of the inefficiency of the state of the inspection tool to lock among the prior art. In addition, for different locks, the sizes of the lock cylinder 31 and the transmission member 32 required by the locks are different, and the technical scheme of the first embodiment is applied, the lock cylinder 31 and the transmission member 32 in the unlocking assembly 30 are arranged separately, so that when the height of the lock is higher, the positions of the lock cylinder 31 and the locking member 33 are firstly determined, and then the height of the transmission member 32 is increased to achieve the connection of the lock cylinder 31 and the locking member 33. Similarly, when the tool to lock height is lower, can reduce the height of driving medium. In the above structure, when the size of the lock needs to be changed for different locks, the structure of the lock core 31 with a more complex structure is not changed, and only the size of the transmission member 32 needs to be changed. On one hand, the processing difficulty is reduced, and on the other hand, the universality is enhanced. In addition, the technical scheme of the first embodiment sets the state display device in a modularized mode, and is applicable to locks of various types and shapes.

As shown in fig. 1 to 5, in the first embodiment, the transmission member 32 is a transmission wheel, the status member 40 is a status wheel, and the transmission wheel and the status wheel are respectively provided with a first engaging structure 321 and a second engaging structure 41 which are engaged with each other so that the status wheel can rotate around the axis of the status wheel under the action of the transmission wheel. When the inspection personnel observe the state wheel from viewing aperture 1 and rotate to first instruction position, can know the tool to lock at this moment and be in the locking state, when the inspection personnel observe the state wheel and rotate to second instruction position, can know the tool to lock at this moment and be in the unblock state. The structure is simple, and the whole volume of the state display device is small. Of course, in other embodiments, the transmission wheel may be a cam, the status wheel engaged with the cam can move linearly along a predetermined direction, and an elastic member is disposed between the status wheel and the first housing 11 to achieve the reset. When the inspection personnel observe the state wheel from the observation port 1, the lock at the moment can be known to be in the locking state, and when the inspection personnel observe the state wheel from the observation port 1, the lock at the moment can be known to be in the unlocking state.

As shown in fig. 1 to 5, in the first embodiment, the first engaging structure 321 is a first external gear ring disposed on the side wall of the transmission member 32, and the second engaging structure 41 is a second external gear ring disposed on the outer wall of the state member 40 and engaged with the first external gear ring. The structure is simple, the transmission efficiency is high, the structure is compact, and the service life is long.

As shown in fig. 3, in the first embodiment, the upper surface of the status wheel includes a first area 42 and a second area 43, and the first area 42 and the second area 43 have different colors or marks. When the status wheel rotates to the position where the first area 42 corresponds to the viewing port 1, it indicates that the latch member is in the extended position and the lock is in the latched state. When the status wheel rotates to the second area 43 corresponding to the viewing port 1, it indicates that the locking member is in the retracted position and the lock is in the unlocked state. Preferably, in this embodiment, the color of the first region 42 is a contrasting color with the color of the second region 43, and the above structure enables the inspector to quickly determine the position of the status wheel and quickly know the status of the lock, thereby further improving the inspection efficiency. Of course, in other embodiments, the upper surface of the first region 42 may be marked with the word "locked" and the upper surface of the second region 43 may be marked with the word "unlocked" to allow the inspector to quickly know the status of the lock.

As shown in fig. 1 and 2, in the first embodiment, the first housing 11 includes an upper housing 111 and a lower housing 112, the upper housing 111 is provided with a first accommodating space 2 for accommodating the key cylinder 31 and a second accommodating space 3 for accommodating the state wheel, the lower housing 112 includes a base plate portion 1121 and a cylindrical portion 1122 provided on the base plate portion 1121 and recessed downward, the cylindrical portion 1122 is provided corresponding to the first accommodating space 2, the base plate portion 1121 is provided corresponding to the second accommodating space 3, the state wheel is supported by the base plate portion 1121, a part of the transmission wheel is accommodated in the cylindrical portion 1122, and the first engaging structure 321 extends out of the cylindrical portion 1122 to engage with the second engaging structure 41. When the height of the lock needs to be changed for different locks, the height of the cylinder portion 1122 and the height of the driving wheel accommodated in the cylinder portion 1122 are adjusted to keep the position of the first engaging structure 321 of the driving wheel relative to the base plate portion 1121 unchanged, so that the first engaging structure 321 can still be engaged with the second engaging structure 41 after the height of the driving wheel is changed, and the rotation of the status wheel is realized. The structure does not need to modify the structure of the lock cylinder and the state wheel, thereby greatly enhancing the universality. Preferably, in the first embodiment, the lock cylinder 31 is fixed on the upper housing 111 by a retainer ring to prevent the lock cylinder from moving in the axial direction. The upper case 111 and the lower case 112 are fixed together with screws.

It should be noted that, in the first embodiment, the lock cylinder 31 preferably includes an upper lock cylinder section and a lower lock cylinder section, the baffle is sleeved on the upper lock cylinder section, the upper lock cylinder section is located in the first accommodating space 2, and the lower lock cylinder section is located inside the transmission wheel.

In the first embodiment, one of the bottom of the lock cylinder 31 and the top of the transmission member 32 is provided with a driving shaft 311, the other of the bottom of the lock cylinder 31 and the top of the transmission member 32 is provided with a matching hole 324, and the driving shaft 311 is matched with the matching hole 324 to drive the transmission member 32 to rotate. The structure is simple and easy to realize. Preferably, in the present embodiment, the driving shaft 311 is disposed at the bottom of the key cylinder 31, and the fitting hole 324 is disposed at the top of the transmission member 32. The cross-section of the drive shaft is semi-circular and the cross-section of the mating hole 324 is semi-circular to fit the cross-section of the drive shaft.

As shown in fig. 1, 2, 9 and 10, in the first embodiment, the second housing 12 includes a bottom plate 121, an evacuation space for evacuating a portion of the first housing 11 is provided on the bottom plate 121, the locking member 33 is a locking piece, when the locking piece is in the retracted position, a portion of the first housing 11 can enter the evacuation space, and when the locking piece is in the extended position, a lower surface of the locking piece abuts against an upper surface of the bottom plate 121. The structure is simple and easy to realize. Preferably, in the first embodiment, the bottom plate 121 is provided with a boss 123 extending upward, the boss 123 is provided with a positioning column, the elastic member 20 is a spring, a first end of the spring is sleeved on the positioning column, and a second end of the spring is abutted to the first housing 11. The provision of the bosses 123 such that the length of the spring does not have to be too long increases the stability of the status display device. In addition, in the first embodiment, the side of the bottom plate 121 is further provided with a positioning block 125 for fixing the first rotating shaft 80, and the positioning block 125 and the boss 123 are located at two opposite sides of the bottom plate 121.

As shown in fig. 1, 2 and 10, in the first embodiment, a first avoidance hole 122 is formed in the bottom plate 121, and the first avoidance hole 122 forms an avoidance space. The structure is simple and easy to process.

As shown in fig. 1, 2, 4, 6 to 8, in the first embodiment, the transmission member 32 includes a transmission member body 322 drivingly engaged with the lock cylinder 31 and the state member 40, and a convex structure 323 disposed at the bottom of the transmission member body 322, a concave structure 331 engaged with the convex structure 323 is disposed on the locking piece, and a limit structure 1123 engaged with the locking piece is disposed on the first housing 11 so that the locking piece can move in a predetermined direction under the driving of the convex structure 323. The structure is simple and easy to realize.

As shown in fig. 6 to 8, in the first embodiment, the convex structure 323 is a convex pillar eccentrically disposed with respect to the transmission body 322, and the concave structure 331 is a long hole disposed on the locking piece, and an extending direction of the long hole is perpendicular to the predetermined direction. When unlocked, the raised formations 323 will rotate clockwise about the axis of the drive wheel when the drive wheel is rotated clockwise as viewed in fig. 6. As the convex structure 323 rotates, the convex structure 323 will apply an abutting force to the inner wall of the concave structure 331, and the locking piece will move under the abutting force. The structure is simple and easy to realize.

As shown in fig. 9, in the first embodiment, the first housing 11 includes a lower housing 112, the lower housing 112 includes a base plate 1121, a barrel 1122 disposed on the base plate 1121 and recessed downward, and a limiting structure 1123 disposed at the bottom of the barrel 1122, the limiting structure 1123 forms a sliding slot with the bottom of the barrel 1122, the locking piece is movably disposed in the sliding slot, the transmission body 322 is disposed in the barrel 1122, the bottom of the barrel 1122 is provided with a second avoiding hole 1124, and the protruding structure 323 protrudes from the second avoiding hole 1124 and is engaged with the recessed structure 331 of the locking piece. The structure is simple, the assembly is convenient, and the assembly efficiency of the state display device is improved. Preferably, in this embodiment, the position limiting structure 1123 is two L-shaped ribs arranged oppositely.

As shown in fig. 1 and 2, in the first embodiment, the first housing 11 includes an upper housing 111 and a dust cover 113, the upper housing 111 is provided with a mounting hole, a first accommodating space 2 for accommodating the key cylinder 31 is formed inside the mounting hole, and the dust cover 113 covers an upper opening of the mounting hole. The lock core is prevented from being exposed outside by the structure, and the lock core is prevented from being damaged by external dust and water vapor, so that the service life of the state display device is ensured. Preferably, in this embodiment, a screw hole is provided at an edge of the dust cover, a mounting hole corresponding to the screw hole is provided on the upper housing 111, the screw passes through the mounting hole and enters the screw hole, a spring is sleeved outside the screw, a first end of the spring abuts against the dust cover 113, and a second end of the spring abuts against a head of the screw. In the above configuration, the spring can apply a downward force to the dust cap to bring the dust cap 113 into abutment with the upper case 111. When the dust cover 113 needs to be opened, the dust cover 113 can be unscrewed only by taking a screw as a shaft.

As shown in fig. 1 and 2, in the first embodiment, an abutting protrusion 1111 is disposed on a side wall of the first housing 11, the abutting protrusion 1111 and the elastic member 20 are located at opposite sides of the first rotating shaft 80, and a lower surface of the abutting protrusion 1111 forms an abutting surface. Specifically, in the first embodiment, the first housing 11 forms a lever structure with the first rotating shaft 80 as a fulcrum, and the elastic member 20 can apply an upward abutting force to the first housing 11, so that one end of the first housing 11 close to the elastic member 20 has a tendency to move upward, and at the same time, the abutting protrusion 1111 of the first housing 11 has a tendency to move downward, so that the unlocking member located below the abutting protrusion 1111 is kept fixed. In addition, the structure is simple and easy to process.

As shown in fig. 1 and 2, in the first embodiment, the observation port 1 is provided in the upper case 111. And a transparent window is provided at the viewing port 1. The transparent window is fixed on the upper shell 111 by means of a buckle or an adhesive.

As shown in fig. 11 and 16, the state display device of the second embodiment is different from the state display device of the first embodiment in the specific structure of the second housing. Specifically, in the second embodiment, the bottom plate 121 is provided with a limiting rib 124 extending upward, and a space between one side of the limiting rib 124 close to the first rotating shaft 80 and the bottom plate 121 forms an avoiding space. When the locking piece is in the retracted position, part of the first housing 11 can enter the escape space, and when the locking piece is in the extended position, the lower surface of the locking piece will abut against the upper surface of the limiting rib 124, so that the relative position between the first housing 11 and the second housing 12 is not changed. The structure is simple and easy to process.

As shown in fig. 12 to 15, in the second embodiment, the convex structure 323 is a kidney-shaped protrusion, and the concave structure 331 is a square hole disposed on the locking piece. Specifically, when the drive wheel is rotated counterclockwise as viewed in fig. 13 when locked, the raised formations 323 will rotate counterclockwise about the axis of the drive wheel. As the convex structure 323 rotates, the convex structure 323 will apply an abutting force to the inner wall of the concave structure 331, and the locking piece will move under the abutting force. The structure is simple and easy to realize. Preferably, in the second embodiment, the fitting hole 324 penetrates through the transmission member body 322 and the protrusion 323. The engaging hole 324 is close to a first end of the protruding structure 323 in the length direction, a limiting post 325 extending downward is disposed at a second end of the protruding structure 323 in the length direction, and a limiting hole engaged with the limiting post 325 is disposed at the bottom of the barrel portion 1122 to enable the driving wheel to rotate within a predetermined range.

As shown in fig. 11, in the second embodiment, the first housing 11 includes a lower housing 112, the lower housing 112 includes a base plate portion 1121 and a cylindrical portion 1122 provided on the base plate portion 1121 and recessed downward, a sliding slot is provided on a bottom wall of the cylindrical portion 1122, an escape opening 1125 corresponding to the sliding slot is provided on a side wall of the cylindrical portion 1122 for escaping the locking piece, and the sliding slot forms a limiting structure 1123. The structure is simple, and the height of the state display device can be reduced to match with a lockset with the corresponding height. In addition, when the height of the unlocking component 30 needs to be adjusted slightly to adapt to the heights of different locks, the locking piece can be adjusted in thickness.

The state display device (not shown) of the third embodiment is different from the state display device of the first embodiment in the specific structure of the transmission member. Specifically, in the third embodiment, the transmission member 32 includes a rotating cylinder drivingly connected to the lock cylinder 31 and the locking member 33, and a transmission cylinder sleeved on the rotating cylinder, and the first fitting structure 321 is disposed on an outer wall of the transmission cylinder. The first engaging structure 321 and the transmission cylinder are an integral structure. When the height of different tool to lock of needs adaptation, when will to the height of unblock subassembly 30 fine setting, can realize through the height of the simple structure's of adjustment rotary drum. The structure reduces the processing difficulty on one hand and enhances the universality on the other hand.

Preferably, in the third embodiment, the bottom of the transmission cylinder is provided with a protrusion, the top of the rotating cylinder is provided with a groove, and the transmission cylinder is in plug fit with the rotating cylinder so that the transmission cylinder and the rotating cylinder can rotate synchronously. It should be noted that the state display device of the first embodiment is actually an improvement over the state display device of the third embodiment. The transmission cylinder and the rotary cylinder are arranged into an integral structure, so that the assembly steps are reduced, and the assembly efficiency is improved.

As shown in fig. 17 to 19, the present application also provides a lock including: lock body 50, handle 60, and status display device 70. Wherein, the first end of the handle 60 is pivotally disposed on the lock body 50, the handle 60 has a locking position fixed on the lock body 50 and an unlocking position capable of rotating relative to the lock body 50, the status display device 70 is the status display device described above, when the status element 40 of the status display device 70 is located at the first indication position, the first housing 11 of the status display device 70 can be in abutting fit with the second end of the handle 60 to keep the handle 60 at the locking position, and when the status element 40 is located at the second indication position, the first housing 11 can be away from the second end of the handle 60 under the action of external force to make the handle 60 move from the locking position to the unlocking position. The state display device has the advantage of improving the inspection efficiency, so the lock with the state display device also has the advantage.

As shown in fig. 18, in the present embodiment, the lower surface of the abutment projection 1111 can be brought into abutment engagement with the upper surface of the second end of the handle 60 to hold the handle 60 in the locking position. Preferably, in this embodiment, handle 60 includes the body of rod and hook portion, and the first end of the body of rod is pivotally connected on lock body 50, and the other end and the hook portion of the body of rod are connected, and the inclined plane of hook portion is less than 30 degrees with the contained angle of vertical direction, and the handle 60 of being convenient for pushes away state display device deflection when pushing down and lets the position, and handle 60 is greater than 2.0mm with the protruding 1111 complex locking volume of butt of state display device simultaneously, and the reliability that handle 60 blocked can be guaranteed to above-mentioned structure.

The applicant has found that the link locks of the prior art do not generally have a function of displaying the state, and the operator usually determines the state of the lock by pulling, turning the handle of the lock or pressing a button, which not only makes the checking inefficient, but also may bring safety concerns. As shown in fig. 17, in this embodiment, the tool to lock is the connecting rod lock that is used on the screen cabinet door, and this tool to lock can direct display tool to lock's state to raise the efficiency, avoid the potential safety hazard.

As shown in fig. 18, in the present embodiment, the lock body 50 is provided with a vertically extending mounting hole. The lockset further comprises a second rotating shaft 90 positioned in the mounting hole and a bolt arranged at the bottom end of the second rotating shaft 90 and is fixed by screws. The handle 60 is rotatably fixed to the top end of the second rotating shaft 90 by a pin and a spring.

The unlocking and locking principles are described below:

unlocking principle:

when the unlocking key is inserted into the lock cylinder 31 of the state display device 70, the lock cylinder 31 is rotated, the lock cylinder 31 drives the transmission wheel to rotate, the transmission wheel drives the locking piece to move, the locking piece retracts into the lower shell 112, and the rotary motion of the first shell 11 is unlocked; the driving wheel simultaneously drives the status wheel to rotate, so that the unlocking color is displayed at the position of the transparent window of the upper shell 111. When the rear end (the end near the spring) of the lower housing 112 is pressed, the lower housing 112 rotates at a small angle about the first rotation axis 80 (pin). When the lower housing 112 rotates, the upper housing 111 is driven to rotate, so that the matching part (the abutting protrusion 1111) of the upper housing 111 and the handle 60 tilts, the upper housing 111 is separated from the handle 60, and at this time, the handle 60 rotates and pops open under the action of the spring. Finally, the handle 60 is held by hand and rotated 90 degrees on the horizontal plane to unlock the lock.

The locking principle is as follows:

during locking, the handle 60 rotates towards the horizontal position, the handle 60 is pressed, the inclined surface of the front end (hook portion) of the handle 60 contacts with the abutting protrusion 1111 of the state display device 70, the lower shell 112 rotates around the first rotating shaft 80 by a small angle under the action of the handle 60 until the handle 60 completely enters the lock body 50, at the moment, the lower shell 112 rotates around under the action of the spring, and the abutting surface of the abutting protrusion 1111 is matched with the handle 60 to limit the rotation of the handle 60. When the unlocking key is inserted for reverse rotation, the lock core 31 rotates to drive the transmission wheel to rotate, the transmission wheel drives the locking piece to move, a small part of the locking piece extends out of the lower shell 112 and is matched with the second shell to limit the rotary motion of the first shell, and the locking effect is achieved.

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 (16)

1. A status display device, comprising:

the shell (10) comprises a first shell (11) and a second shell (12) which are connected through a first rotating shaft (80) in a pivoting mode, the second shell (12) comprises a bottom plate (121), and an avoidance space used for avoiding part of the first shell (11) is arranged on the bottom plate (121);

the elastic piece (20) is arranged between the first shell (11) and the second shell (12), and the elastic piece (20) provides supporting force for the first shell (11) and enables the first shell (11) to be in abutting fit with an unlocking piece of a lock;

an unlocking assembly (30) comprising a lock cylinder (31), a transmission member (32) and a locking member (33) which are arranged on the first shell (11), wherein the lock cylinder (31) is rotatably arranged, the lock cylinder (31) is in driving fit with the transmission member (32), the transmission member (32) is in driving fit with the locking member (33), the locking member (33) has an extending position extending out of the first shell (11) and a retracting position retracting into the first shell (11), when the locking member (33) is in the extending position, the lower surface of the locking member (33) is in abutting fit with the second shell (12), so that the first shell (11) can still be in abutting fit with the unlocking member under the condition of external force, and when the locking member (33) is in the retracting position, the lower surface of the locking member (33) is released from abutting fit with the second shell (12), the first shell (11) can rotate towards the second shell (12) under the condition of external force, and part of the first shell (11) can enter the avoidance space and is gradually separated from the unlocking piece;

the state piece (40) is in driving fit with the transmission piece (32), the state piece (40) is provided with a first indication position corresponding to the extending position of the locking piece (33) and a second indication position corresponding to the retracting position of the locking piece (33), and the shell (10) is provided with a viewing port (1) for viewing the position of the state piece (40).

2. A status display device according to claim 1, wherein the transmission member (32) is a transmission wheel and the status member (40) is a status wheel, and wherein the transmission wheel and the status wheel are provided with a first engagement structure (321) and a second engagement structure (41) respectively, which engage with each other, such that the status wheel is rotatable about its own axis by the transmission wheel.

3. The status display device according to claim 2, wherein the first mating structure (321) is a first external toothing arranged on a side wall of the transmission member (32), and the second mating structure (41) is a second external toothing arranged on an outer wall of the status member (40) and meshing with the first external toothing.

4. A status display device according to claim 2, wherein the upper surface of the status wheel comprises a first area (42) and a second area (43), the first area (42) being of a different colour or logo than the second area (43).

5. The status display device according to any one of claims 2 to 4, the first housing (11) includes an upper housing (111) and a lower housing (112), the upper shell (111) is provided with a first accommodating space (2) which is arranged at intervals and is used for accommodating the lock cylinder (31) and a second accommodating space (3) which is used for accommodating the status wheel, the lower case (112) includes a base plate portion (1121) and a cylindrical portion (1122) provided on the base plate portion (1121) and recessed downward, the barrel part (1122) is provided corresponding to the first accommodation space (2), the substrate portion (1121) is provided corresponding to the second accommodation space (3), the state wheel is supported by the base plate part (1121), part of the transmission wheel is accommodated in the barrel part (1122), the first mating structure (321) extends out of the barrel portion (1122) to mate with the second mating structure (41).

6. The status display device according to claim 1, wherein one of the bottom of the lock cylinder (31) and the top of the transmission member (32) is provided with a driving shaft (311), the other of the bottom of the lock cylinder (31) and the top of the transmission member (32) is provided with a fitting hole (324), and the driving shaft (311) is fitted with the fitting hole (324) to drive the transmission member (32) to rotate.

7. The status display device according to claim 1, wherein the latch member (33) is a latch tab.

8. The status display device according to claim 7, wherein a first avoiding hole (122) is formed in the bottom plate (121), the first avoiding hole (122) forms the avoiding space, or a limiting rib (124) extending upwards is formed in the bottom plate (121), and the avoiding space is formed in a space between one side of the limiting rib (124) close to the first rotating shaft (80) and the bottom plate (121).

9. The status display device according to claim 7, wherein the transmission member (32) comprises a transmission member body (322) drivingly engaged with the lock cylinder (31) and the status member (40), and a protruding structure (323) provided at a bottom of the transmission member body (322), wherein a recessed structure (331) engaged with the protruding structure (323) is provided on the locking piece, and wherein a stopper structure (1123) engaged with the locking piece is provided on the first housing (11) to enable the locking piece to move in a predetermined direction by the protruding structure (323).

10. The status display device according to claim 9, wherein the convex structure (323) is a convex column eccentrically disposed from the transmission body (322), the concave structure (331) is a long hole disposed on the locking piece, an extending direction of the long hole is perpendicular to the predetermined direction, or the convex structure (323) is a kidney-shaped projection, and the concave structure (331) is a square hole disposed on the locking piece.

11. The status display device according to claim 9 or 10, wherein the first housing (11) includes a lower housing (112), the lower housing (112) includes a base plate portion (1121), a barrel portion (1122) disposed on the base plate portion (1121) and recessed downward, and the limiting structure (1123) disposed at the bottom of the barrel portion (1122), the limiting structure (1123) forms a sliding slot with the bottom of the barrel portion (1122), the locking piece is movably disposed in the sliding slot, the transmission member body (322) is disposed in the barrel portion (1122), the bottom of the barrel portion (1122) is provided with a second avoiding hole (1124), and the protruding structure (323) penetrates out of the second avoiding hole (1124) and is matched with the recessed structure (331) of the locking piece.

12. The status display device according to claim 9 or 10, wherein the first casing (11) includes a lower casing (112), the lower casing (112) includes a base plate portion (1121) and a cylindrical portion (1122) provided on the base plate portion (1121) and recessed downward, a sliding groove is provided on a bottom wall of the cylindrical portion (1122), an escape opening (1125) corresponding to the sliding groove for escaping the locking piece is provided on a side wall of the cylindrical portion (1122), and the sliding groove forms the stopper structure (1123).

13. The status display device according to claim 1, wherein the first housing (11) includes an upper housing (111) and a dust cover (113), a mounting hole is provided in the upper housing (111), a first receiving space (2) for receiving the key cylinder (31) is formed in the mounting hole, and the dust cover (113) covers an upper opening of the mounting hole.

14. The status display device according to claim 1, wherein an abutting projection (1111) is provided on a side wall of the first housing (11), the abutting projection (1111) and the elastic member (20) are located at opposite sides of the first rotation shaft (80), and a lower surface of the abutting projection (1111) forms an abutting surface.

15. A lockset, comprising:

a lock body (50);

a handle (60), a first end of the handle (60) being pivotably arranged on the lock body (50), the handle (60) having a locked position fixed to the lock body (50) and an unlocked position rotatable relative to the lock body (50), characterized in that the lock further comprises:

a status display device (70) as claimed in any one of claims 1 to 14, wherein when the status member (40) of the status display device (70) is in the first indicating position, the first housing (11) of the status display device (70) is capable of abutting engagement with the upper surface of the second end of the handle (60) to retain the handle (60) in the locked position, and when the status member (40) is in the second indicating position, the first housing (11) is capable of moving away from the upper surface of the second end of the handle (60) under the influence of an external force to enable the handle (60) to move from the locked position to the unlocked position.

16. The lock of claim 15, wherein the lock is a link lock.

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