CN220106305U - Front lower door interlocking device and switch cabinet - Google Patents
Front lower door interlocking device and switch cabinet Download PDFInfo
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- CN220106305U CN220106305U CN202321467874.9U CN202321467874U CN220106305U CN 220106305 U CN220106305 U CN 220106305U CN 202321467874 U CN202321467874 U CN 202321467874U CN 220106305 U CN220106305 U CN 220106305U
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- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of switch cabinets and discloses a front lower door interlocking device and a switch cabinet. The front lower door interlocking device comprises a clamping block, a linkage piece and a locking structure, wherein the clamping block is fixedly used for fixedly connecting an operation shaft of a grounding switch, the clamping block can rotate to enable the grounding switch to be switched between a closed position and a separated position, the linkage piece can slide along the operation shaft under the pushing of a front lower door, one end of the linkage piece is arranged on a clamping portion, the clamping portion is clamped with the clamping block when the grounding switch is in the closed position, the clamping portion is clamped with the clamping block when the grounding switch is in the separated position, the locking structure is arranged at the other end of the linkage piece, and the locking structure is used for locking the front lower door or unlocking the front lower door. The arrangement ensures that the grounding switch can be operated to be arranged in the split position after the front lower door is closed, and simultaneously ensures that the front lower door cannot be opened after the grounding switch is arranged in the split position, thereby ensuring the use safety of operators.
Description
Technical Field
The utility model relates to the technical field of switch cabinets, in particular to a front lower door interlocking device and a switch cabinet.
Background
At present, the conventional 12KV feeder line scheme in the industry often requires that an internal grounding switch interlocking mechanism in a switch cabinet not only mechanically lock a rear lower door of the cabinet, but also mechanically lock a front lower door at the same time so as to ensure the safety of operators due to diversified use requirements of users.
The front lower door interlocking device in the prior art is generally complex in structure, and as disclosed in the utility model with the application number of 202221893685.3, the front lower door and the grounding switch positive and negative interlocking device comprises equipment components consisting of a cabinet body, a first partition plate, a second partition plate, a chute, a front lower door and a switch door and control components consisting of a bearing seat, a screw rod, a driving mechanism and a control box, wherein the front lower door and the switch door are in threaded through connection with the screw rod, the screw rod is enabled to rotate under the action of the driving mechanism, and the front lower door and the switch door slide along the chute together, so that the front lower door and the switch door are opened. The interlocking device has the advantages of complex structure, difficult operation and higher cost.
Therefore, a front lower door interlocking device and a switch cabinet are needed to solve the above problems.
Disclosure of Invention
The utility model aims to provide a front lower door interlocking device and a switch cabinet, wherein the front lower door interlocking device is simple in structure and convenient to use, and can ensure that a grounding switch can be operated to be positioned in a split position after a front lower door is closed, and simultaneously ensure that the front lower door cannot be opened after the grounding switch is positioned in the split position, so that the use safety of operators is ensured.
To achieve the object, in one aspect, the present utility model provides a front lower door interlocking device, comprising:
the clamping block is used for fixedly connecting an operating shaft of the grounding switch and can rotate to enable the grounding switch to be switched between a closing position and a separating position;
the linkage piece can slide along the operation shaft under the pushing of the front lower door, the linkage piece is connected with an elastic piece, the elastic piece is used for enabling the linkage piece to always have a moving trend close to the front lower door, one end of the linkage piece is provided with a clamping part, and when the grounding switch is in a closing position, the clamping part is clamped with the clamping block; when the grounding switch is in a split position, the clamping part can be released from clamping with the side surface of the clamping block, which is far away from the front lower door;
the locking structure is arranged between the linkage piece and the front lower door, the locking structure is used for locking the front lower door or unlocking the front lower door, when the clamping part is clamped with the clamping block, the front lower door is in an unlocking state, the front lower door can be opened, when the clamping part is clamped with the clamping block, the front lower door is in a locking state, and the front lower door is kept to be closed.
As an optional technical scheme, a clamping groove is formed in one of the clamping block and the clamping portion, a clamping piece is arranged in the other of the clamping block and the clamping portion, and the clamping groove is clamped with or released from the clamping piece so as to lock or unlock the operation shaft.
As an optional technical scheme, the clamping block is provided with the clamping groove, the clamping groove is L-shaped, the tail end of one side of the linkage piece is bent to form the clamping piece, and the clamping piece is used for being clamped with the clamping groove.
As an optional technical scheme, the locking structure includes first locking component and second locking piece, first locking component set up in the linkage piece, the second locking piece set up in preceding lower door, the second locking piece is the jackshaft, the jackshaft is used for the drive the linkage piece is to keeping away from preceding lower door's direction removes, just the jackshaft can with first locking component is connected, in order to with preceding lower door locks.
As an optional technical scheme, first locking component includes kicking block, support subassembly and latch hook, support subassembly set up in the linkage is close to one side of preceding lower door, the kicking block slide set up in support subassembly, the latch hook rotate set up in the kicking block, the jackshaft can promote the kicking block is followed after the support subassembly slides a section distance with support subassembly butt, and then the kicking block promotes the support subassembly drives the linkage is along keeping away from preceding lower door's direction removes, so that the joint portion of linkage with the joint piece releases the joint, just the support subassembly makes the latch hook rotate with the jackshaft locks.
As an optional technical scheme, the bracket component includes first support and second support, first support is including being first connecting piece and the second connection piece that the angle set up, the second support includes the third connection piece, first connecting piece connect in the linkage, the third connection piece is located the second connection piece is kept away from one side of first connecting piece, just the third connection piece is followed the thickness direction of second connection piece with second connection piece fixed connection, the kicking block is connected with reset spring, reset spring is used for making the kicking block has the motion trend that is close to preceding lower door.
As an optional technical scheme, the second support further comprises a blocking piece, the blocking piece is connected to the third connecting piece and is arranged at an angle with the third connecting piece, the third connecting piece is located below the top block, the lock hook is rotationally connected to the lower portion of the top block, and when the top block slides along the third connecting piece, the blocking piece can be abutted with the lock hook to push the lock hook to rotate anticlockwise so as to lock the top shaft.
As an optional technical scheme, the top shaft is provided with a groove, the opening of the groove is downward, the lock hook is provided with a lock tongue, and the lock tongue can be in plug-in fit with the groove, so that the top shaft is locked with the lock hook.
As an alternative technical scheme, the linkage piece is L-shaped, and the linkage piece is made of flat steel.
In order to achieve the above purpose, on the other hand, the utility model also provides a switch cabinet, which comprises a side plate and the front lower door interlocking device as described above, wherein the interlocking piece is provided with a chute, the side plate is provided with a stand column, the stand column is in sliding connection with the chute, a spring is arranged between the stand column and the interlocking piece, and the spring enables the interlocking piece to always have a moving trend close to the front lower door.
The utility model has the beneficial effects that:
the utility model discloses a front lower door interlocking device which comprises a clamping block, a linkage piece and a locking structure, wherein the clamping block is fixedly arranged on an operation shaft, the earthing switch can be adjusted to be in a closed position or a separated position by rotating the operation shaft, the linkage piece can slide along the operation shaft under the pushing of a front lower door, one end of the linkage piece is arranged on the clamping piece, when the earthing switch is in the closed position, the clamping piece is clamped with the clamping block, when the earthing switch is in the separated position, the clamping piece is clamped with the clamping block, the locking structure is arranged at the other end of the linkage piece, and the locking structure is used for locking the front lower door or unlocking the front lower door. The arrangement ensures that the grounding switch can be operated to be arranged in the split position after the front lower door is closed, and simultaneously ensures that the front lower door cannot be opened after the grounding switch is arranged in the split position, thereby ensuring the use safety of operators.
The utility model also discloses a switch cabinet which comprises a side plate and the front lower door interlocking device, wherein the linkage piece is provided with a chute, the side plate is provided with a stand column, the stand column is in sliding connection with the chute, and a spring is arranged between the stand column and the linkage piece, so that the linkage piece always has a moving trend close to the front lower door. The switch cabinet can ensure the safety of operators.
Drawings
FIG. 1 is a schematic diagram of a switchgear cabinet according to an embodiment of the utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is a schematic view of a first embodiment of a linkage and locking mechanism;
FIG. 4 is a second schematic view of a linkage and locking structure according to an embodiment of the present utility model;
FIG. 5 is a schematic view of the structure of a front lower door according to an embodiment of the present utility model;
FIG. 6 is an enlarged view of a portion of B in FIG. 5;
FIG. 7 is a schematic view of an embodiment of the present utility model with both the locking mechanism and the operating shaft in a locked condition;
FIG. 8 is a side view of FIG. 7;
FIG. 9 is a schematic view of an embodiment of the present utility model with both the locking mechanism and the operating shaft in an unlocked state;
fig. 10 is a side view of fig. 9.
In the figure:
1. a front lower door interlocking device; 2. a side plate; 201. a column; 3. an operation shaft; 4. front lower door; 401. a top shaft; 4011. a groove;
10. a clamping block; 11. a clamping groove;
20. a linkage member; 211. a clamping block; 212. a patch; 213. reinforcing ribs; 22. a chute;
30. a first locking assembly; 31. a top block; 32. a bracket assembly; 321. a first bracket; 3211. a first connecting piece; 3212. a second connecting piece; 322. a second bracket; 3221. a third connecting piece; 3222. a baffle; 33. a latch hook; 331. a bolt; 332. and a return spring.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the 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", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are 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.
As shown in fig. 3 to 10, the present embodiment provides a front lower door interlocking device 1, the front lower door interlocking device 1 includes a clamping block 211, a linkage member 20 and a locking structure, the clamping block 211 is used for fixedly connecting an operation shaft 3 of a grounding switch, and the clamping block can rotate to switch the grounding switch between a closing position and a separating position; the linkage piece 20 can slide along the operation shaft 3 under the pushing of the front lower door 4, the linkage piece 20 is connected with an elastic piece, the elastic piece is used for enabling the linkage piece 20 to always have a moving trend close to the front lower door 4, one end of the linkage piece 20 is provided with a clamping part, and when the grounding switch is in a closing position, the clamping part is clamped with the clamping block 211; when the grounding switch is in a split position, the clamping part can be in clamping connection with the clamping block 211, the locking structure is arranged between the linkage piece 20 and the front lower door 4, the locking structure is used for locking the front lower door 4 or unlocking the front lower door 4, when the clamping part is in clamping connection with the clamping block 211, the locking structure is in an unlocking state, when the clamping part is in clamping connection with the clamping block 211, the front lower door 4 can be opened, and when the clamping part is in clamping connection with the clamping block 211, the locking structure is in a locking state, and the front lower door 4 is kept closed. Specifically, in this embodiment, when the grounding switch is in the engaged position, the clamping portion of the linkage member 20 is clamped with the clamping block 211, the locking structure is in the unlocked state, the front lower door 4 can be normally opened to allow an operator to enter the cabinet for maintenance, and in the maintenance process, the clamping portion of the linkage member 20 and the clamping block 211 always maintain the clamping state, so as to ensure that the grounding switch is always kept in the engaged position, ensure the safety of the operator, close the front lower door 4 by the operator after the maintenance is completed, the front lower door 4 can push the linkage member 20 to move along the operation shaft 3, so that the clamping portion is separated from the clamping block 211, at this moment, the staff rotates the operating shaft 3, and then places the earthing switch in the branch position, and because the operating shaft 3 rotates certain angle, the joint portion can't with the joint piece 211 joint this moment, specifically joint portion is close to the terminal surface of preceding lower door 4 and joint piece 211 is kept away from preceding lower door 4 terminal surface butt, namely joint portion and joint piece 211 release joint, under this kind of state, locking structure locks preceding lower door 4, preceding lower door 4 can not be opened, can avoid earthing switch when being in the branch position, the staff mistake opens preceding lower door 4 and leads to the emergence of electric shock danger.
Further, one of the clamping block 211 and the clamping portion is provided with a clamping groove 11, the other of the clamping block 211 and the clamping portion is provided with a clamping piece, and the clamping groove 11 is clamped with the clamping portion or is unlocked to lock or unlock the operation shaft 3. Specifically, in this embodiment, the locking and unlocking of the operation shaft 3 can be ensured more conveniently by adopting the manner of clamping the clamping groove 11 and the clamping part, so as to improve the flexibility of use.
Further, as shown in fig. 8, the clamping block 211 is provided with a clamping groove 11, the clamping groove 11 is L-shaped, the end of one side of the linkage member 20 is bent to form a clamping member, the clamping member is also L-shaped, and the clamping member is used for clamping with the clamping groove 11. Specifically, in this embodiment, the clamping block 211 is specifically a fan-shaped piece with a clamping groove 11, the fan-shaped piece is fixed on the operation shaft 3 through a bolt, the whole linkage piece 20 is made of flat steel, the tail end of the linkage piece 20 is bent to form a clamping piece, and in this embodiment, in order to increase the strength of the clamping portion, the clamping portion further comprises a patch 212 and a reinforcing rib 213, the patch 212 is arranged on the periphery of the bending part of the tail end of the linkage piece 20, the reinforcing rib 213 is arranged in the corner of the bending part of the tail end of the linkage piece 20, the reliability of the clamping piece and the clamping groove 11 is ensured, and the service life is prolonged. The fan-shaped piece in this embodiment is fixed and connected in the operating shaft 3 through the bolt, can be convenient for carry out the dismouting to the fan-shaped piece, in another embodiment, the fan-shaped piece is connected in the operating shaft 3 through the welding mode, promotes the life of the connection stability of fan-shaped piece, and the description is omitted here.
Further, as shown in fig. 5 to 6, the locking structure includes a first locking component 30 and a second locking member, the first locking component 30 is disposed on the linkage member 20, the second locking member is disposed on the front lower door 4, the second locking member is a top shaft 401, the top shaft 401 is used for driving the linkage member 20 to move in a direction away from the front lower door 4, and the top shaft 401 can be connected with the first locking component 30 to lock the front lower door 4. Specifically, in this embodiment, the top shaft 401 is protruding on the front lower door 4, and when the front lower door 4 is closed, the top shaft 401 can provide thrust for the linkage member 20, so that the linkage member 20 moves along the operation shaft 3 in a direction away from the front lower door 4, so that the clamping groove 11 is separated from the clamping member, and the operation shaft 3 is unlocked, so that the operation shaft 3 can be turned to switch between the closing position and the separating position of the grounding switch conveniently.
Further, as shown in fig. 3 to 4, the first locking assembly 30 includes a top block 31, a bracket assembly 32 and a latch hook 33, the bracket assembly 32 is disposed on one side of the linkage 20 near the front lower door 4, the top block 31 is disposed on the bracket, the latch hook 33 is rotatably disposed on the top block 31, the top shaft 401 can push the top block 31 to slide a distance along the bracket assembly 32 and then to abut against the bracket assembly 32, and the top block 31 pushes the bracket assembly 32 to drive the linkage 20 to move along a direction far away from the front lower door 4, so that the clamping portion of the linkage 20 is released from the clamping block 211, and the bracket assembly makes the latch hook 33 rotate to lock the top shaft 401. In particular, in this embodiment, as shown in fig. 7 to 10, the latch hook 33 is rotatably disposed on the top block 31, during the door closing process, the top shaft 401 of the front lower door 4 pushes the top block 31 to slide a distance along the bracket assembly 32 until the top block 31 abuts against the bracket assembly 32, because the bracket assembly 32 is fixedly disposed on the linkage member 20, the top block 31 drives the bracket assembly 32 to move, and then drives the linkage member 20 to move, when the top shaft 401 pushes the top block 31 to slide along the bracket assembly 32, the bracket assembly 32 can drive the latch hook 33 to rotate, and the operation shaft 3 is rotated, so that the grounding switch is in a separated position, the end face of the clamping piece, which is close to the front lower door 4, abuts against the end face of the clamping piece 211, which is far away from the front lower door 4, at this time, the latch hook 33 keeps the state of locking the top shaft 401, and further, the front lower door 4 is in a locked state, so that when the grounding switch is in a separated position, the front lower door 4 is ensured, and cannot be opened, and the safety in use is improved.
Further, as shown in fig. 3, the bracket assembly 32 includes a first bracket 321 and a second bracket 322, the first bracket 321 includes a first connecting piece 3211 and a second connecting piece 3212 which are disposed at an angle, the second bracket 322 includes a third connecting piece 3221, the first connecting piece 3211 is connected to the linkage 20, the third connecting piece 3221 is located at a side of the second connecting piece 3212 away from the first connecting piece 3211, the third connecting piece 3221 is fixedly connected with the second connecting piece 3212 along a thickness direction of the second connecting piece 3212, the top block 31 is slidably connected to the third connecting piece 3221, and the top block 31 is connected with a return spring 332, the return spring 332 is used for enabling the top block 31 to have a moving trend close to the front lower door 4. Specifically, in this embodiment, the first connection piece 3211 is perpendicular to the second connection piece 3212, the first connection piece 3211 is connected to the linkage member 20, the second connection piece 3212 is connected to the third connection piece 3221 of the second bracket 322, the top block 31 is slidably disposed on the third connection piece 3221, this kind of arrangement can make the bracket assembly 32 have better strength, the top shaft 401 pushes the top block 31 to slide and then drives the linkage member 20 to slide, stability is improved, the service life is prolonged, deformation of the bracket assembly 32 is avoided, the reset spring 332 can ensure that the top shaft 401 can normally reset when the top block 31 is not compressed, the top shaft 401 is unlocked, the front lower door 4 can normally open, and stability of the front lower door linkage device 1 is improved.
Further, the second bracket 322 further includes a blocking piece 3222, the blocking piece 3222 is connected to the third connecting piece 3221 and is disposed at an angle with the third connecting piece 3221, the third connecting piece 3221 is located below the top block 31, the latch hook 33 is rotationally connected below the top block 31, and when the top block 31 slides along the third connecting piece 3221, the blocking piece 3222 can be abutted with the latch hook 33 to push the latch hook 33 to rotate so as to lock the top shaft 401. Specifically, in the present embodiment, as shown in fig. 7 to 10, the latch hook 33 is rotatably connected below the top block 31, the blocking piece 3222 is connected to the third connecting piece 3221 and is perpendicular to the third connecting piece 3221, so that the blocking piece 3222 can point to the latch hook 33, and when the top block 31 is pushed by the top shaft 401 to slide along the third connecting piece 3221, the blocking piece 3222 can be disengaged from the latch hook 33 and rotate the latch hook 33 counterclockwise, so that the latch hook 33 locks the top shaft 401. This kind of setting simple structure for when joint spare and joint piece 211 release the joint, latch hook 33 and jackshaft 401 lock, and preceding lower door 4 keeps closing, when joint spare and joint piece 211 joint, leads to the distance of linkage 20 and preceding lower door 4 to diminish, and latch hook 33 can rotate owing to self gravity, unlocks jackshaft 401, and preceding lower door 4 can be opened.
Further, a groove 4011 is formed in the top shaft 401, the groove 4011 is opened downwards, the lock hook 33 is provided with a lock tongue 331, and the lock tongue 331 is used for being in plug-in fit with the groove 4011, so that the top shaft 401 can be locked with the lock hook 33. Specifically, in this embodiment, this kind of setting simple structure, it is comparatively nimble to lock and unblock to preceding lower door 4, promotes the convenience of use.
Further, the linkage 20 is L-shaped, and the linkage 20 is made of flat steel. Specifically, the linkage piece 20 adopts flat steel to make, can save space, and can avoid operating personnel to touch the linkage piece 20 by mistake when the cabinet body, promotes the convenience of using, and the linkage piece 20 is L type, can be connected operating shaft 3 and preceding lower door 4, promotes the reliability.
As shown in fig. 1 to 2, in this embodiment, a switch cabinet is further provided, and the switch cabinet includes a side plate 2, and further includes the front lower door interlocking device 1 described above, the linkage member 20 is provided with a chute 22, the side plate 2 is provided with a stand 201, the stand 201 is slidably connected with the chute 22, and a spring is provided between the stand 201 and the linkage member 20, and the spring makes the linkage member 20 always have a movement trend close to the front lower door 4. The switch cabinet can ensure the use safety of operators, avoid the situation that the front lower door 4 is opened when the grounding switch is in the split position, and simultaneously ensure that the rotation of the operation shaft 3 can be carried out only when the front lower door 4 is closed, thereby further improving the use safety.
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. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. 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 front lower door interlocking device is characterized in that the front lower door interlocking device (1) comprises:
the clamping block (211), the clamping block (211) is used for fixedly connecting an operation shaft (3) of the grounding switch, and the clamping block (211) can rotate to enable the grounding switch to switch between a closing position and a separating position;
the linkage piece (20) can slide along the operation shaft (3) under the pushing of the front lower door (4), the linkage piece (20) is connected with an elastic piece, the elastic piece is used for enabling the linkage piece (20) to always have a moving trend close to the front lower door (4), one end of the linkage piece (20) is a clamping part, and when the grounding switch is in a closing position, the clamping part is clamped with the clamping block (211); when the grounding switch is in the split position, the clamping part and the clamping block (211) are released from clamping;
the locking structure is arranged between the linkage piece (20) and the front lower door (4), the locking structure is used for locking the front lower door (4) or unlocking the front lower door (4), the front lower door (4) is in an unlocking state when the clamping part is clamped with the clamping block (211), the front lower door (4) can be opened, and the front lower door (4) is in a locking state when the clamping part is clamped with the clamping block (211) in a releasing mode, and the front lower door (4) is kept closed.
2. The front lower door interlocking device according to claim 1, wherein one of the clamping block (211) and the clamping portion is provided with a clamping groove (11), the other of the clamping block (211) and the clamping portion is provided with a clamping piece, and the clamping groove (11) is clamped with or released from the clamping piece to lock or unlock the operation shaft (3).
3. The front lower door interlocking device according to claim 2, wherein the clamping block (211) is provided with the clamping groove (11), the clamping groove (11) is L-shaped, the tail end of one side of the linkage piece (20) is bent to form the clamping piece, and the clamping piece is used for being clamped with the clamping groove (11).
4. The front lower door interlocking device according to claim 1, wherein the locking structure comprises a first locking assembly (30) and a second locking member, the first locking assembly (30) is arranged on the linkage member (20), the second locking member is arranged on the front lower door (4), the second locking member is a top shaft (401), the top shaft (401) is used for driving the linkage member (20) to move in a direction away from the front lower door (4), and the top shaft (401) can be connected with the first locking assembly (30) so as to lock the front lower door (4).
5. The front lower door interlocking device according to claim 4, wherein the first locking assembly (30) comprises a top block (31), a support assembly (32) and a latch hook (33), the support assembly (32) is arranged on one side, close to the front lower door (4), of the linkage (20), the top block (31) is slidably arranged on the support assembly (32), the latch hook (33) is rotatably arranged on the top block (31), the top shaft (401) can push the top block (31) to slide a certain distance along the support assembly (32) and then abut against the support assembly (32), and then the top block (31) pushes the support assembly (32) to drive the linkage (20) to move along a direction away from the front lower door (4), so that the clamping portion of the linkage (20) is in clamping-off with the clamping block (211), and the support assembly (32) enables the latch hook (33) to rotate so as to lock the top shaft (401).
6. The front lower door interlocking device according to claim 5, wherein the bracket assembly (32) comprises a first bracket (321) and a second bracket (322), the first bracket (321) comprises a first connecting piece (3211) and a second connecting piece (3212) which are arranged at an angle, the second bracket (322) comprises a third connecting piece (3221), the first connecting piece (3211) is connected to the linkage (20), the third connecting piece (3221) is located at one side, away from the first connecting piece (3211), of the second connecting piece (3212), the third connecting piece (3221) is fixedly connected with the second connecting piece (3212) along the thickness direction of the second connecting piece (3212), the top block (31) is connected to the third connecting piece (3221) in a sliding manner, and the top block (31) is connected with a reset spring (332), and the reset spring (332) is used for enabling the top block (31) to have a movement trend close to the front lower door (4).
7. The front lower door interlocking device according to claim 6, wherein the second bracket (322) further comprises a blocking piece (3222), the blocking piece (3222) is connected to the third connecting piece (3221) and is arranged at an angle with the third connecting piece (3221), the third connecting piece (3221) is located below the top block (31), the latch hook (33) is rotatably connected below the top block (31), and when the top block (31) slides along the third connecting piece (3221), the blocking piece (3222) can abut against the latch hook (33) to push the latch hook (33) to rotate so as to lock the top shaft (401).
8. The front lower door interlocking device according to claim 7, wherein the top shaft (401) is provided with a groove (4011), the groove (4011) is downward open, the lock hook (33) is provided with a lock tongue (331), and the lock tongue (331) can be in plug-in fit with the groove (4011), so that the top shaft (401) is locked with the lock hook (33).
9. The front lower door interlocking device according to claim 1, wherein the linkage member (20) is L-shaped, and the linkage member (20) is made of flat steel.
10. Switch cabinet, comprising a side plate (2), characterized in that the switch cabinet further comprises a front lower door interlocking device (1) according to any one of claims 1-9, a chute (22) is formed in the interlocking piece (20), the side plate (2) is provided with a stand column (201), the stand column (201) is in sliding connection with the chute (22), a spring is arranged between the stand column (201) and the interlocking piece (20), and the spring enables the interlocking piece (20) to always have a moving trend close to the front lower door (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321467874.9U CN220106305U (en) | 2023-06-09 | 2023-06-09 | Front lower door interlocking device and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321467874.9U CN220106305U (en) | 2023-06-09 | 2023-06-09 | Front lower door interlocking device and switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220106305U true CN220106305U (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321467874.9U Active CN220106305U (en) | 2023-06-09 | 2023-06-09 | Front lower door interlocking device and switch cabinet |
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| Country | Link |
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| CN (1) | CN220106305U (en) |
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