CN220621469U - Cabinet - Google Patents

Abstract

The utility model relates to the technical field of storage equipment, in particular to a cabinet. The cabinet comprises a cabinet body, a cabinet door and a locking assembly, wherein the cabinet door is used for opening or closing an opening of the cabinet body, the locking assembly comprises a locking piece, a lock, an operation part and a driving part, and the locking piece is provided with a locking position for locking the cabinet door at the position of closing the opening and an unlocking position for enabling the cabinet door to be opened; the lock tongue of the lock is used for preventing the locking piece from leaving the locking position; when the operation part rotates relative to the cabinet door, the operation part is provided with a first position for driving the locking part to move to the unlocking position, a second position for driving the locking part to move to the locking position and a critical position between the first position and the second position, when the operation part is positioned between the first position and the critical position, the driving part enables the operation part to have a trend of rotating towards the first position, and when the operation part is positioned between the critical position and the second position, the driving part enables the operation part to have a trend of rotating towards the second position, so that the problem of virtual locking of the cabinet door is avoided, and the safety of the cabinet is improved.

Description

Cabinet

Technical Field

The utility model relates to the technical field of storage equipment, in particular to a cabinet.

Background

In the prior art, a cabinet comprises a cabinet body, a cabinet door and a locking assembly, wherein the cabinet body is provided with an opening, and the cabinet door is pivoted with the cabinet body and is used for opening or closing the opening; the locking assembly comprises an operating part, a locking piece and a lock, wherein the operating part is pivoted with the cabinet door, the locking piece is movably connected with the cabinet door, the lock is arranged on the cabinet door and comprises a lock tongue, and the lock tongue is provided with a blocking position and a avoiding position; when the cabinet door is closed and the position of the cabinet door is to be locked, a worker rotates the operation part along the set direction, the operation part drives the locking piece to move to a locking position matched with the cabinet body, the locking piece prevents the cabinet door from being opened, then the lock tongue of the lockset moves to a preventing position, and the lock tongue positioned at the preventing position stretches into the movement path of the locking piece to prevent the locking piece from leaving the locking position; when the cabinet door is to be opened, firstly, the lock tongue of the lock moves from the blocking position to the avoiding position, the lock tongue withdraws from the moving path of the locking piece, then the operator rotates the operation part along the reverse direction of the set direction, the operation part drives the locking piece to move to the unlocking position separated from the cabinet body, and the cabinet door can be opened after the locking of the cabinet door position is released. However, when the cabinet door is locked, the operation part is not in place in the set direction, the lock tongue of the lock is blocked by the locking piece and cannot enter the motion path of the locking piece to be in the avoiding position, and a worker cannot easily perceive that the cabinet door is not locked, so that the cabinet door is virtually locked, and at the moment, if the operation part is rotated in the opposite direction of the set direction, the locking piece can still move to the unlocking position, so that the cabinet door is opened, and the safety of the cabinet is greatly reduced.

Disclosure of Invention

The utility model aims to provide a cabinet, which can avoid the problem of virtual locking of a cabinet door caused by the fact that an operator rotates an operation part in place, and improve the safety of the cabinet.

To achieve the purpose, the utility model adopts the following technical scheme:

the cabinet comprises a cabinet body and a cabinet door, wherein the cabinet body is provided with an opening, and the cabinet door is movably connected with the cabinet body and is used for opening or closing the opening; the cabinet further comprises a locking assembly, the locking assembly comprises a locking piece, a lock, an operation part and a driving part, the locking piece is movably arranged on the cabinet door and is provided with a locking position and an unlocking position, when the locking piece is positioned at the locking position, the locking piece locks the cabinet door at a position for closing the opening, and when the locking piece is positioned at the unlocking position, the cabinet door can be opened; the lock is arranged on the cabinet door and comprises a lock tongue, the lock tongue is provided with a blocking position and a avoiding position, when the lock tongue is positioned at the blocking position, the lock tongue stretches into a movement path of the lock tongue to prevent the lock tongue from leaving the locking position, and when the lock tongue is positioned at the avoiding position, the lock tongue withdraws from the movement path of the lock tongue; the operation part is rotatably connected with the cabinet door, and has a first position, a second position and a critical position when rotating relative to the cabinet door, the critical position is located between the first position and the second position, when the operation part is located at the first position, the operation part drives the locking piece to move to the unlocking position, and when the operation part is located at the second position, the operation part drives the locking piece to move to the locking position; the driving part is rotatably connected with the cabinet door, the driving part is also rotatably connected with the operating part, when the operating part is positioned between the first position and the critical position, the acting force applied by the driving part to the operating part enables the operating part to have a tendency to rotate towards the first position, and when the operating part is positioned between the critical position and the second position, the acting force applied by the driving part to the operating part enables the operating part to have a tendency to rotate towards the second position.

As a preferred scheme, the operation part comprises a first rotating shaft, a handle and a first connecting piece, wherein the first rotating shaft is rotatably connected with the cabinet door in an inserting way, the handle is arranged on the outer side of the cabinet door and is fixedly connected with the first rotating shaft, the first connecting piece is arranged on the inner side of the cabinet door and is fixedly connected with the first rotating shaft, the first connecting piece is rotatably connected with the driving part, and the first connecting piece is connected with the locking piece; the first link drives the locking member to move to the unlocking position when the handle is rotated to place the operating portion in the first position, and the first link drives the locking member to move to the locking position when the handle is rotated to place the operating portion in the second position.

Preferably, the first connecting piece is provided with one of a driving shaft and a slot, the locking piece is provided with the other one of the driving shaft and the slot, the driving shaft is inserted into the slot, and when the handle is rotated, the locking piece is driven to move between the locking position and the unlocking position through the inserted driving shaft and the inserted slot.

Preferably, the operation part is rotatably connected with the cabinet door through a first rotating shaft, the driving part is rotatably connected with the cabinet door through a second rotating shaft, and the driving part is rotatably connected with the operation part through a third rotating shaft; when the operation part is positioned between the first position and the critical position, the third rotating shaft is positioned at a first side of a central connecting line of the first rotating shaft and the second rotating shaft; when the operation part is positioned at the critical position, the third rotating shaft is positioned on the central connecting line of the first rotating shaft and the second rotating shaft; when the operation part is positioned between the critical position and the second position, the third rotating shaft is positioned at a second side of the central connecting line of the first rotating shaft and the second rotating shaft.

Preferably, the driving part comprises a supporting part, an elastic part and a second connecting part, the supporting part is rotatably connected with the cabinet door through the second rotating shaft, the second connecting part is rotatably connected with the operating part through the third rotating shaft, the elastic part is connected between the supporting part and the second connecting part, and the elastic force of the elastic part extends along the direction from the second rotating shaft to the third rotating shaft.

Preferably, the support member is provided with a mounting groove, the first end of the second connecting member is rotatably connected with the operating part through the third rotating shaft, and the second end of the second connecting member extends into the mounting groove; the elastic piece is a pressure spring, the pressure spring is located in the mounting groove, the size of the mounting groove is matched with the outer diameter of the pressure spring, and the pressure spring is abutted between the bottom wall of the mounting groove and the second end of the second connecting piece.

Preferably, the second connecting piece comprises a first plate and a second plate which are connected with each other, the first plate is rotatably connected with the operating part through the third rotating shaft, the end part of the first plate and the end part of the second plate jointly form a cross-shaped abutting surface, and the pressure spring is abutted with the abutting surface.

As a preferred scheme, the second rotating shaft is fixedly arranged in the cabinet door, the supporting piece is provided with a mounting hole, the mounting hole is rotatably sleeved with the second rotating shaft, the locking piece is provided with a guide groove, the guide groove extends along the direction of translation of the locking piece between the locking position and the unlocking position, and the guide groove is sleeved with the second rotating shaft in a relatively sliding manner.

As a preferable scheme, the cabinet door is fixedly provided with the second rotating shaft, the locking piece is arranged at intervals with the cabinet door and is movably sleeved with the second rotating shaft, the driving part is rotatably sleeved with the second rotating shaft and is positioned between the locking piece and the cabinet door, and the locking piece can prevent the driving part from being separated from the second rotating shaft.

Preferably, a third rotating shaft is fixedly arranged on one of the operating part and the driving part, an open slot is formed in the other one of the operating part and the driving part, and the open slot is rotatably clamped with the third rotating shaft, so that the driving part is rotatably connected with the operating part.

The utility model has the beneficial effects that:

the utility model provides a cabinet, which comprises a cabinet body, a cabinet door and a locking assembly, wherein the cabinet body is provided with an opening, the cabinet door is movably connected with the cabinet body and is used for opening or closing the opening, the locking assembly comprises a locking piece, a lock, an operating part and a driving part, the locking piece is movably arranged on the cabinet door and is provided with a locking position and an unlocking position, when the locking piece is positioned at the locking position, the locking piece locks the cabinet door at a position for closing the opening, when the locking piece is positioned at the unlocking position, the cabinet door can be opened, the lock is arranged on the cabinet door, the lock comprises a lock tongue, the lock tongue is provided with a blocking position and a avoiding position, when the locking piece is positioned at the locking position, the lock tongue stretches into a movement path of the locking piece to prevent the locking piece from leaving the locking position, when the lock tongue is positioned at the avoiding position, the operating part is rotatably connected with the cabinet door, the operating part is provided with a first position, a second position and a critical position positioned between the first position and the second position, when the operating part is positioned at the first position, the operating part is positioned at the unlocking position, the operating part is driven to the locking part is positioned at the unlocking position, when the operating part is positioned at the second position, the operating part is positioned at the critical position, the driving part is positioned between the driving part and the driving part is rotatably, and the driving part is positioned at the critical position, and the driving part is positioned between the driving part and the driving part is positioned at the critical position and the driving part is arranged at the critical position. When the cabinet door is locked after the cabinet door is closed, if an operator releases the operation part between the first position and the critical position, the operation part can automatically reset to the first position under the action of the driving part, if the operator releases the operation part between the critical position and the second position, the operation part can continuously rotate to the second position under the action of the driving part, when the operation part is reset to the first position, the operator easily perceives that the cabinet door is unlocked through the position of the operation part, and when the operation part rotates to the second position, the locking piece is positioned at the locking position, the locking piece is prevented from leaving the locking position by the locking piece positioned at the preventing position, and the position of the cabinet door is reliably locked at the moment, so that the problem of virtual locking of the cabinet door caused by the fact that the operator rotates the operation part in place is avoided, and the safety of the cabinet is improved.

Drawings

Fig. 1 is a schematic structural diagram of a cabinet according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a partial structure of a cabinet according to an embodiment of the utility model;

fig. 3 is a schematic diagram of a part of a cabinet according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a lock of a cabinet according to an embodiment of the present utility model;

FIG. 5 is a partial exploded view of a cabinet provided by an embodiment of the utility model;

fig. 6 is an enlarged view of the structure at a in fig. 5;

fig. 7 is a schematic partial structure of a cabinet according to an embodiment of the present utility model when an operation portion is located at a first position;

fig. 8 is a schematic partial structure of a cabinet according to an embodiment of the present utility model when an operation portion is located at a critical position;

fig. 9 is a schematic partial structure of a cabinet according to an embodiment of the utility model when the operation portion is located at the second position.

In the figure:

10-a cabinet body; 101-opening; 102-locking grooves;

20-a cabinet door; 201-a guide shaft;

30-a locking assembly; 1-a locking member; 11-slots; 12-a guide groove; 13-an elongated slot; 2-lockset; 21-a lock tongue; 22-a housing; 23-electromagnet; 231-locking pin; 24-locking piece; 241-plug holes; 3-an operation part; 31-handle; 32-a first connector; 321-a drive shaft; 40-a first rotation shaft; 4-a driving part; 41-a support; 411-cylinder; 410-mounting slots; 412-a ring; 420-mounting holes; 42-elastic member; 43-a second connector; 431-first plate; 430-open slot; 401-a first groove; 432-a second plate; 402-a second slot;

50-a second rotating shaft; 60-a third rotating shaft; 601-a first shaft section; 602-second axial segment.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

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

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The present embodiment provides a cabinet, in this embodiment, the cabinet is a safe, and in other embodiments, the cabinet may also be a cabinet with other functional forms, such as an energy storage cabinet, a safety cabinet, a power supply cabinet, and the like.

Fig. 1 is a schematic structural diagram of a cabinet provided by an embodiment of the present utility model, fig. 2 is a schematic structural diagram of a part of a cabinet provided by an embodiment of the present utility model, fig. 3 is a schematic structural diagram of a part of a cabinet provided by an embodiment of the present utility model, fig. 4 is a schematic structural diagram of a lock 2 of a cabinet provided by an embodiment of the present utility model, fig. 5 is a schematic exploded structural diagram of a part of a cabinet provided by an embodiment of the present utility model, fig. 6 is an enlarged structural diagram of a part of a cabinet provided by an embodiment of the present utility model in fig. 5, fig. 7 is a schematic structural diagram of a part of a cabinet provided by an embodiment of the present utility model when an operation portion 3 is located at a first position, fig. 8 is a schematic structural diagram of a part of a cabinet provided by an embodiment of the present utility model when an operation portion 3 is located at a critical position, and fig. 9 is a schematic structural diagram of a part of a cabinet provided by an embodiment of the present utility model when an operation portion 3 is located at a second position. As shown in fig. 1 to 9, the cabinet provided in this embodiment includes a cabinet body 10, a cabinet door 20 and a locking assembly 30, the cabinet body 10 is provided with an opening 101, the cabinet door 20 is movably connected with the cabinet body 10 for opening or closing the opening 101, the locking assembly 30 includes a locking member 1, a lock 2, an operation portion 3 and a driving portion 4, the locking member 1 is movably disposed at the cabinet door 20, having a locking position and an unlocking position, when the locking member 1 is disposed at the locking position, the locking member 1 locks the cabinet door 20 at a position closing the opening 101, when the locking member 1 is disposed at the unlocking position, the cabinet door 20 can open the opening 101, the lock 2 is mounted at the cabinet door 20, the lock 2 includes a lock tongue 21, the lock tongue 21 has a blocking position and a retracted position, when the locking member 1 is disposed at the blocking position, the lock tongue 21 is disposed at the retracted position, the movement path of the locking member 1, the operation portion 3 is rotatably connected with the cabinet door 20, when the operation portion 3 rotates relative to the cabinet door 20, the second position and the critical position is disposed at the first position, the critical position and the driving portion 3 is rotatably disposed at the driving portion 4, when the driving portion 4 is disposed at the driving portion 3 and the driving portion 3 is disposed at the first position, the critical position and the driving portion 3 is rotatably disposed at the driving portion 3, and the driving portion is disposed at the critical position, and the driving portion is disposed at the driving position, the operating portion 3 tends to rotate toward the second position by the urging force of the driving portion 4 to the operating portion 3.

In this embodiment, when the cabinet door 20 is locked after the cabinet door 20 is closed, if the operator releases the operation part 3 between the first position and the critical position when the operator releases the operation part 3, the operation part 3 can be automatically reset to the first position under the action of the driving part 4, if the operator releases the operation part 3 between the critical position and the second position when the operator releases the operation part 3, the operation part 3 can continue to rotate to the second position under the action of the driving part 4, when the operator resets to the first position, the operator easily perceives that the cabinet door 20 is unlocked through the position of the operation part 3, and when the operator rotates to the second position, the locking piece 1 is located at the locking position, the lock tongue 21 located at the blocking position prevents the locking piece 1 from leaving the locking position, and at this time, the position of the cabinet door 20 is reliably locked, thereby avoiding the problem of virtual locking of the cabinet door 20 caused by the operator rotating the operation part 3 out of place, and improving the safety of the cabinet.

In this embodiment, as shown in fig. 2, a locking groove 102 is provided in the cabinet body 10, when the locking member 1 moves to the locking position, the locking member 1 is inserted into the locking groove 102, so that the locking member 1 locks the cabinet door 20 in a position closing the opening 101, and when the locking member 1 moves to the unlocking position, the locking member 1 is separated from the locking groove 102, so that the cabinet door 20 can open the opening 101. In other embodiments of the present utility model, a blocking plate is disposed in the cabinet 10, and when the locking member 1 moves to the locking position, the locking member 1 extends into a side of the blocking plate facing away from the opening 101 and abuts against the blocking plate to lock the cabinet door 20 in a position closing the opening 101, and when the locking member 1 moves to the unlocking position, the locking member 1 is separated from the blocking plate, so that the cabinet door 20 can open the opening 101.

In the present embodiment, as shown in fig. 3 to 5, the operation portion 3 is rotatably connected to the cabinet door 20 through the first rotation shaft 40, the driving portion 4 is rotatably connected to the cabinet door 20 through the second rotation shaft 50, the driving portion 4 is rotatably connected to the operation portion 3 through the third rotation shaft 60, and the first rotation shaft 40, the second rotation shaft 50, and the third rotation shaft 60 are disposed at intervals.

Preferably, as shown in fig. 4, the lock 2 further includes a housing 22, an electromagnet 23 and a locking member 24 disposed in the housing 22, the housing 22 is fixedly disposed on the cabinet door 20, the lock tongue 21 is rotatably disposed on the housing 22, the lock tongue 21 has a tendency to rotate toward the blocking position all the time, the locking member 24 is slidably connected with the housing 22, the locking member 24 is provided with a plugging hole 241, the electromagnet 23 includes a lock pin 231, when the lock tongue 21 is located at the blocking position and the electromagnet 23 is powered off, the locking member 24 extends into a rotation path of the lock tongue 21, and the lock pin 231 is plugged into the plugging hole 241 to lock the position of the locking member 24; when the electromagnet 23 is electrified, the lock pin 231 is separated from the inserting hole 241 to unlock the position of the locking piece 24, and when the locking piece 1 moves to the unlocking position, the lock tongue 21 can be driven to exit the moving path of the locking piece 1, and meanwhile, the lock tongue 21 drives the locking piece 24 to exit the rotating path of the lock tongue 21. Preferably, the lock 2 further comprises a tension spring (not shown in the figures) connected between the bolt 21 and the housing 22, the tension spring being adapted to keep the bolt 21 in a rotation-preventing position. It should be noted that, in other embodiments, the latch 21 may be translationally disposed on the housing 22.

Alternatively, as shown in fig. 5 and 6, the operating portion 3 includes a handle 31, a first connecting member 32, and the first rotating shaft 40, where the first rotating shaft 40 is rotatably connected with the cabinet door 20 in a plugging manner, the handle 31 is disposed on the outer side of the cabinet door 20 and is fixedly connected with the first rotating shaft 40, the first connecting member 32 is disposed on the inner side of the cabinet door 20 and is fixedly connected with the first rotating shaft 40, the first connecting member 32 is rotatably connected with the driving portion 4 through a third rotating shaft 60, the first connecting member 32 is connected with the locking member 1, when the handle 31 is rotated to make the operating portion 3 be located at the first position, the first connecting member 32 drives the locking member 1 to move to the unlocking position, and when the handle 31 is rotated to make the operating portion 3 be located at the second position, the first connecting member 32 drives the locking member 1 to move to the locking position. The above arrangement makes it possible to drive the locking member 1 to switch between the unlocking position and the locking position by the first rotating shaft 40 and the first connecting member 32 when the handle 31 is rotated outside the cabinet door 20, so that the operation is more convenient, and the application of the rotating force to the handle 31 is facilitated. Preferably, the handle 31 and the first rotating shaft 40 are integrally formed, and the first connecting member 32 is sleeved with the first rotating shaft 40 and fixedly connected through a fastener, which may be a bolt. In other embodiments, the locking element 1 may be fixedly connected to the first shaft 40, such that the locking element 1 is moved by the first shaft 40 when the handle 31 is turned.

Alternatively, as shown in fig. 5 and 6, the first connector 32 is provided with one of a driving shaft 321 and a slot 11, the locking member 1 is provided with the other of the driving shaft 321 and the slot 11, the driving shaft 321 is inserted into the slot 11, and when the handle 31 is rotated, the locking member 1 is driven to switch between the locking position and the unlocking position by the inserted driving shaft 321 and the slot 11. The connection between the first connector 32 and the locking member 1 is achieved by providing the drive shaft 321 and the slot 11 of the plug-in connection, which improves the reliability of the movement of the first connector 32 driving the locking member 1. In the present embodiment, the driving shaft 321 is provided on the first connector 32, the slot 11 is provided on the locking member 1, and in other embodiments, the slot 11 may be provided on the first connector 32, and the driving shaft 321 may be provided on the locking member 1.

Preferably, in the present embodiment, the driving shaft 321 is capable of driving the locking member 1 to translate between the locking position and the unlocking position relative to the cabinet door 20, the locking member 1 is plate-shaped, the locking member 1 is provided with the long groove 13 extending along the set direction, the cabinet door 20 is provided with the guiding shaft 201, the guiding shaft 201 is inserted into the long groove 13, and the guiding shaft 201 slides along the long groove 13 when the locking member 1 moves between the locking position and the unlocking position. By providing the guide shaft 201 and the elongated slot 13, a guiding effect is provided for the translational movement of the locking member 1 relative to the cabinet door 20 between the locking position and the unlocking position, and the reliability of the movement of the locking member 1 between the locking position and the unlocking position is improved. The setting direction is a direction in which the locking member 1 translates between the locking position and the unlocking position. In other embodiments, the locking member 1 may also be rotatably connected to the cabinet door 20, the locking member 1 being rotatable relative to the cabinet door 20 to effect movement of the locking member 1 between the locked and unlocked positions. In this embodiment, the cabinet door 20 is provided with two guide shafts 201, and the locking member 1 is correspondingly provided with two elongated slots 13, and the two guide shafts 201 are inserted into the two elongated slots 13 in a one-to-one correspondence. This arrangement further improves the reliability of the translation of the locking member 1 in the set direction. Of course, the number of the guide shafts 201 and the long grooves 13 may be set to three, five, or the like as required. The present embodiment is not limited.

As shown in fig. 7 to 9, in the present embodiment, when the operation portion 3 is located between the first position and the critical position, the third rotation shaft 60 is located on the first side of the center line of the first rotation shaft 40 and the second rotation shaft 50, wherein, on the first side, the force applied to the operation portion 3 by the driving portion 4 causes the operation portion 3 to have a tendency to rotate toward the first position; when the operation part 3 is located at the critical position, the third rotating shaft 60 is located on the central line of the first rotating shaft 40 and the second rotating shaft 50; when the operating portion 3 is located between the critical position and the second position, the third rotating shaft 60 is located at the second side of the central line between the first rotating shaft 40 and the second rotating shaft 50, wherein, on the second side, the acting force applied to the operating portion 3 by the driving portion 4 causes the operating portion 3 to have a tendency to rotate toward the second position.

In this embodiment, as shown in fig. 5, the second rotating shaft 50 is fixedly disposed on the cabinet door 20, the locking member 1 is disposed at an interval with the cabinet door 20, and is movably sleeved with the second rotating shaft 50, the driving portion 4 is rotatably sleeved with the second rotating shaft 50, and is located between the locking member 1 and the cabinet door 20, and the locking member 1 can prevent the driving portion 4 from being separated from the second rotating shaft 50. By the arrangement, the position of the driving part 4 along the axial direction of the second rotating shaft 50 is limited by the locking piece 1, so that the movable sleeving reliability of the locking piece 1 and the second rotating shaft 50 is ensured, the position of the driving part 4 along the axial direction of the second rotating shaft 50 is limited without additionally arranging a limiting piece, the number of parts is reduced, and the structure is compact.

In this embodiment, the locking member 1 is provided with a guide groove 12, the guide groove 12 extends along the translational direction of the locking member 1 between the locking position and the unlocking position, that is, the extending direction of the guide groove 12 is the same as that of the long groove 13, and the guide groove 12 and the second rotating shaft 50 are sleeved in a relatively sliding manner. The above arrangement allows the second rotation shaft 50 not only to rotate the driving portion 4 about its axis, but also to guide the movement of the locking member 1 between the locking position and the unlocking position, saving the number of parts, and making the structure compact. In this embodiment, as shown in fig. 3, the sliding sleeve of the guide groove 12 and the second rotating shaft 50, and the sliding sleeve of the long groove 13 and the guide shaft 201 further improve the stability and reliability of the movement of the locking member 1 between the locking position and the unlocking position.

In this embodiment, as shown in fig. 6, one of the operating portion 3 and the driving portion 4 is fixedly provided with a third rotating shaft 60, and the other of the operating portion 3 and the driving portion 4 is provided with an open slot 430, and the open slot 430 is rotatably engaged with the third rotating shaft 60, so that the driving portion 4 is rotatably connected with the operating portion 3. By providing the open groove 430 rotatably engaged with the third rotating shaft 60, the mounting of the operating portion 3 and the driving portion 4 is facilitated. In the present embodiment, the third rotating shaft 60 is fixedly disposed on the first connector 32 of the operating portion 3, and the driving portion 4 is provided with an open slot 430. In other embodiments, the third rotating shaft 60 may be fixedly disposed on the driving portion 4, and the first connecting member 32 of the operating portion 3 may be provided with an open slot 430.

Preferably, as shown in fig. 6, the third rotating shaft 60 includes a first shaft section 601 and a second shaft section 602 that are connected to each other, the first shaft section 601 is fixedly connected to the first connecting member 32 of the operating portion 3, the open slot 430 is clamped to the first shaft section 601, the diameter of the second shaft section 602 is larger than the inner diameter of the open slot 430, the second shaft section 602 can abut against the end face of the open slot 430, and the second shaft section 602 is used for preventing the open slot 430 from separating from the first shaft section 601 along the axial direction of the third rotating shaft 60, so that the reliability of the rotation clamping of the open slot 430 and the third rotating shaft 60 is ensured.

Alternatively, as shown in fig. 5 and 6, the driving part 4 includes a support 41, an elastic member 42, and a second link 43, wherein the support 41 is rotatably connected to the cabinet door 20 through a second rotation shaft 50, the second link 43 is rotatably connected to the first link 32 of the operating part 3 through a third rotation shaft 60, the elastic member 42 is connected between the support 41 and the second link 43, and an elastic force of the elastic member 42 extends in a direction from the second rotation shaft 50 to the third rotation shaft 60. The elastic member 42 provides the operating portion 3 with a moment of rotation to the first position when the operating portion 3 is located between the first position and the critical position, the elastic member 42 passes through the center of the first rotation shaft 40 when the operating portion 3 is located at the critical position, and the elastic member 42 provides the operating portion 3 with a moment of rotation to the second position when the operating portion 3 is located between the critical position and the second position. After the cabinet door 20 is closed, the operation part 3 can be automatically reset to the first position under the action of the elastic force of the elastic piece 42 when the operation part 3 is rotated between the first position and the critical position and is released, the operation part 3 can be continuously rotated to the second position under the action of the elastic force of the elastic piece 42 when the operation part 3 is rotated between the critical position and the second position and is released, and the reliability of the operation part 3 driven by the driving part 4 to rotate to the first position or the second position is improved due to the arrangement of the elastic piece 42. In the present embodiment, the second connecting member 43 is provided with an open slot 430.

In other embodiments, the driving part 4 comprises a supporting member 41 and a weight member, the supporting member 41 is rotatably connected with the cabinet door 20, the weight member is movably connected with the supporting member 41, the weight member is rotatably connected with the first connecting member 32, when the operating part 3 is located between the first position and the critical position, the weight force of the weight member causes the operating part 3 to have a tendency to rotate toward the first position, and when the operating part 3 is located between the critical position and the second position, the weight force of the weight member causes the operating part 3 to have a tendency to rotate toward the second position.

In this embodiment, as shown in fig. 5 and 6, the first end of the first connecting member 32 is fixedly connected with the first rotating shaft 40, the supporting member 41 is provided with a mounting groove 410, the first end of the second connecting member 43 is rotatably connected with the second end of the first connecting member 32 through the third rotating shaft 60, the second end of the second connecting member 43 stretches into the mounting groove 410, the elastic member 42 is a compression spring, the compression spring is located in the mounting groove 410, the size of the mounting groove 410 is adapted to the outer diameter of the compression spring, and the compression spring is abutted between the bottom wall of the mounting groove 410 and the second end of the second connecting member 43. By providing the mounting groove 410 on the support 41, it is ensured that the second connection member 43 can rotate together with the support 41 around the axis of the second rotating shaft 50, and the compression spring deforms in the mounting groove 410, so that the direction of the elastic force is stable. Preferably, the extending direction of the mounting groove 410 is perpendicular to the axis of the second rotating shaft 50. In other embodiments, the resilient member 42 is a leaf spring. Preferably, in the present embodiment, the mounting groove 410 has a cylindrical shape, and the inner diameter of the mounting groove 410 is adapted to the outer diameter of the compression spring.

As shown in fig. 7 to 9, the force generated by the pressure spring is F1, the force F1 extends along the direction from the second rotation axis 50 to the third rotation axis 60, the component force of the force F1 generated by the pressure spring is F2, as shown in fig. 7, when the operation portion 3 is located between the first position and the critical position, the direction of the force F1 generated by the pressure spring forms an angle with the center line of the first rotation axis 40 and the second rotation axis 50, and the component force F2 of the force generated by the pressure spring provides a moment to the operation portion 3 that rotates to the first position, as shown in fig. 8, when the operation portion 3 is located at the critical position, the direction of the force F1 generated by the pressure spring is the same as the extending direction of the center line of the first rotation axis 40 and the second rotation axis 50, that is, the force F1 generated by the pressure spring cannot provide a rotation moment to the operation portion 3, as shown in fig. 9, when the operation portion 3 is located between the critical position and the center line of the first rotation axis 40 and the second rotation axis 50, and the component force F2 of the force generated by the pressure spring provides a moment to the operation portion 3 that rotates to the second position.

Alternatively, as shown in fig. 6, the second connection member 43 includes a first plate 431 and a second plate 432 that are connected to each other, the first plate 431 is rotatably connected to the first connection member 32 through a third rotation shaft 60, and an end portion of the first plate 431 and an end portion of the second plate 432 together form an abutment surface in a cross shape, and the compression spring abuts against the abutment surface. The arrangement increases the contact area between the compression spring and the second connecting piece 43, and improves the reliability of the action of the compression spring on the second connecting piece 43. Preferably, the first plate 431 is provided with a first groove 401, the second plate 432 is provided with a second groove 402, and the first plate 431 and the second plate 432 are engaged with each other through the first groove 401 and the second groove 402 to form a cross-shaped abutting surface. In the present embodiment, the first plate 431 is provided with an open groove 430.

In this embodiment, as shown in fig. 6, the supporting member 41 is provided with a mounting hole 420, and the mounting hole 420 is rotatably sleeved with the second rotating shaft 50. Preferably, as shown in fig. 6, the support 41 includes a cylindrical body 411 and an annular body 412, wherein the mounting groove 410 is provided in the cylindrical body 411, the mounting hole 420 is provided in the annular body 412, one end of the cylindrical body 411 in the axial direction thereof is fixedly connected with the annular body 412, and the annular body 412 forms a bottom wall of the mounting groove 410. The above arrangement makes the structure of the support 41 simple and enables reliable accommodation of the compression spring. Preferably, the cylindrical body 411 and the annular body 412 are fixedly connected by welding. In other embodiments, the barrel 411 and the ring 412 are integrally formed or fixedly connected by fasteners.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The cabinet comprises a cabinet body (10) and a cabinet door (20), wherein the cabinet body (10) is provided with an opening (101), and the cabinet door (20) is movably connected with the cabinet body (10) and is used for opening or closing the opening (101);

the cabinet is characterized by further comprising a locking assembly (30), wherein the locking assembly (30) comprises a locking piece (1), a lock (2), an operation part (3) and a driving part (4), the locking piece (1) is movably arranged on the cabinet door (20) and has a locking position and an unlocking position, when the locking piece (1) is positioned at the locking position, the locking piece (1) locks the cabinet door (20) at a position for closing the opening (101), and when the locking piece (1) is positioned at the unlocking position, the cabinet door (20) can open the opening (101);

the lock (2) is mounted on the cabinet door (20), the lock (2) comprises a lock tongue (21), the lock tongue (21) is provided with a blocking position and a avoiding position, when the locking piece (1) is positioned at the locking position and the lock tongue (21) is positioned at the blocking position, the lock tongue (21) stretches into a movement path of the locking piece (1) to prevent the locking piece (1) from leaving the locking position, and when the lock tongue (21) is positioned at the avoiding position, the lock tongue (21) withdraws from the movement path of the locking piece (1);

the operation part (3) is rotatably connected with the cabinet door (20), the operation part (3) has a first position, a second position and a critical position when rotating relative to the cabinet door (20), the critical position is located between the first position and the second position, when the operation part (3) is located at the first position, the operation part (3) drives the locking piece (1) to move to the unlocking position, and when the operation part (3) is located at the second position, the operation part (3) drives the locking piece (1) to move to the locking position;

the driving part (4) is rotatably connected with the cabinet door (20), the driving part (4) is also rotatably connected with the operation part (3), when the operation part (3) is located between the first position and the critical position, the acting force exerted by the driving part (4) on the operation part (3) enables the operation part (3) to have a trend of rotating towards the first position, and when the operation part (3) is located between the critical position and the second position, the acting force exerted by the driving part (4) on the operation part (3) enables the operation part (3) to have a trend of rotating towards the second position.

2. The cabinet according to claim 1, wherein the operation portion (3) comprises a first rotation shaft (40), a handle (31) and a first connecting piece (32), the first rotation shaft (40) is rotatably inserted into the cabinet door (20), the handle (31) is disposed on the outer side of the cabinet door (20) and fixedly connected with the first rotation shaft (40), the first connecting piece (32) is disposed on the inner side of the cabinet door (20) and fixedly connected with the first rotation shaft (40), the first connecting piece (32) is rotatably connected with the driving portion (4), and the first connecting piece (32) is connected with the locking piece (1);

the first link (32) drives the locking member (1) to move to the unlocking position when the handle (31) is rotated to position the operating portion (3) at the first position, and the first link (32) drives the locking member (1) to move to the locking position when the handle (31) is rotated to position the operating portion (3) at the second position.

3. The cabinet according to claim 2, wherein the first connector (32) is provided with one of a driving shaft (321) and a slot (11), the locking member (1) is provided with the other of the driving shaft (321) and the slot (11), the driving shaft (321) is inserted into the slot (11), and when the handle (31) is rotated, the locking member (1) is driven to move between the locking position and the unlocking position by the inserted driving shaft (321) and the slot (11).

4. The cabinet according to claim 1, wherein the operating part (3) is rotatably connected to the cabinet door (20) by a first rotation shaft (40), the driving part (4) is rotatably connected to the cabinet door (20) by a second rotation shaft (50), and the driving part (4) is rotatably connected to the operating part (3) by a third rotation shaft (60);

when the operating part (3) is positioned between the first position and the critical position, the third rotating shaft (60) is positioned at a first side of a central connecting line of the first rotating shaft (40) and the second rotating shaft (50);

when the operation part (3) is positioned at the critical position, the third rotating shaft (60) is positioned on the central connecting line of the first rotating shaft (40) and the second rotating shaft (50);

when the operation part (3) is positioned between the critical position and the second position, the third rotating shaft (60) is positioned at a second side of a central connecting line of the first rotating shaft (40) and the second rotating shaft (50).

5. The cabinet according to claim 4, wherein the driving part (4) includes a support member (41), an elastic member (42), and a second connection member (43), the support member (41) is rotatably connected with the cabinet door (20) through the second rotation shaft (50), the second connection member (43) is rotatably connected with the operation part (3) through the third rotation shaft (60), the elastic member (42) is connected between the support member (41) and the second connection member (43), and an elastic force of the elastic member (42) extends in a direction from the second rotation shaft (50) to the third rotation shaft (60).

6. The cabinet according to claim 5, wherein the support member (41) is provided with a mounting groove (410), the first end of the second connecting member (43) is rotatably connected with the operation portion (3) through the third rotation shaft (60), and the second end of the second connecting member (43) protrudes into the mounting groove (410);

the elastic piece (42) is a pressure spring, the pressure spring is located in the mounting groove (410), the size of the mounting groove (410) is matched with the outer diameter of the pressure spring, and the pressure spring is abutted between the bottom wall of the mounting groove (410) and the second end of the second connecting piece (43).

7. The cabinet according to claim 6, wherein the second connection member (43) includes a first plate (431) and a second plate (432) connected to each other, the first plate (431) is rotatably connected to the operation portion (3) through the third rotation shaft (60), an end portion of the first plate (431) and an end portion of the second plate (432) form together an abutment surface in a cross shape, and the compression spring abuts against the abutment surface.

8. The cabinet according to claim 5, wherein the second rotating shaft (50) is fixedly arranged on the cabinet door (20), the supporting member (41) is provided with a mounting hole (420), the mounting hole (420) is rotatably sleeved with the second rotating shaft (50), the locking member (1) is provided with a guide groove (12), the guide groove (12) extends along the direction of translation of the locking member (1) between the locking position and the unlocking position, and the guide groove (12) is sleeved with the second rotating shaft (50) in a relatively sliding manner.

9. A cabinet according to any one of claims 1-3, characterized in that the cabinet door (20) is fixedly provided with a second rotating shaft (50), the locking member (1) is arranged at intervals with the cabinet door (20) and is movably sleeved with the second rotating shaft (50), the driving part (4) is rotatably sleeved with the second rotating shaft (50) and is positioned between the locking member (1) and the cabinet door (20), and the locking member (1) can prevent the driving part (4) from being separated from the second rotating shaft (50).

10. A cabinet according to any one of claims 1-3, wherein one of the operating part (3) and the driving part (4) is fixedly provided with a third rotating shaft (60), the other of the operating part (3) and the driving part (4) is provided with an open slot (430), and the open slot (430) is rotatably clamped with the third rotating shaft (60) so that the driving part (4) is rotatably connected with the operating part (3).