CN216197325U - Anti-arcing door lock device and switch cabinet - Google Patents
Anti-arcing door lock device and switch cabinet Download PDFInfo
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- CN216197325U CN216197325U CN202121772855.8U CN202121772855U CN216197325U CN 216197325 U CN216197325 U CN 216197325U CN 202121772855 U CN202121772855 U CN 202121772855U CN 216197325 U CN216197325 U CN 216197325U
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Abstract
The utility model discloses a fire-arc-proof door lock device and a switch cabinet, which comprise a lock plate, a first lock piece, a second lock piece and a driving mechanism, wherein the lock plate is provided with a plurality of lock hook parts along the length direction, the first lock piece and the second lock piece are respectively provided with a lock catch part which can be correspondingly matched with the lock hook parts one by one, the first locking piece and the second locking piece are driven to move away from or towards each other by a driving mechanism arranged between the first locking piece and the second locking piece, so that the locking part on the first locking piece and the locking part on the second locking piece are respectively locked or unlocked with the corresponding locking hook parts, because the directions of the first locking piece and the second locking piece which are matched and locked with the locking hook part are opposite, the door plate can be locked bidirectionally, when an arcing accident occurs, the door plate can be more firmly locked on the cabinet body of the switch cabinet by bidirectional locking, so that the high pressure generated by arcing is prevented from pushing the door plate open to harm the personal safety of operation and maintenance personnel.
Description
Technical Field
The utility model relates to the technical field of switch cabinets, in particular to an arc-burning-prevention door lock device and a switch cabinet.
Background
The cubical switchboard more and more tends to at present to miniaturized development, and the structure of cubical switchboard is after designing more compactly, and when the internal arcing accident that takes place of cabinet, trouble electric arc can release energy fast and form high pressure and high temperature and arouse the conflagration to the high pressure is exploded the cabinet door that destroys the cubical switchboard easily, thereby causes the threat to fortune dimension personnel's life, consequently need firmly lock the cabinet door plant on the cabinet body of cubical switchboard.
For firmly locking the door plant usually can vertically arrange a plurality of locking points on the door plant, but in order to lock and unlock the cubical switchboard door plant fast, current cubical switchboard door lock drives a plurality of bolts on the connecting plate and a plurality of latch hook lock or separation through connecting plate reciprocating motion generally, thereby realize the quick linkage locking and the opening of a plurality of locking points, however, because a plurality of locking points on the door plant can only rely on the connecting plate to realize the locking in the ascending removal of one side, unidirectional locking is not firm enough under the high pressure condition, the door plant still probably is pushed open by the high pressure that the arcing produced when taking place the arcing accident and injures the fortune dimension personnel, need improve urgently.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the arcing-proof door lock device, the first locking piece and the second locking piece are driven to move away from or towards each other by the driving mechanism, so that the locking parts on the first locking piece and the second locking piece are locked with the plurality of locking hook parts on the locking plate to realize bidirectional locking, and the door plate is more firmly locked on the switch cabinet to prevent the door plate from being pushed open by high pressure generated by arcing.
The utility model further provides the switch cabinet, and the door plate of the switch cabinet is more firmly and safely locked by adopting the anti-arcing door lock device.
An arc-strike-proof door lock device according to an embodiment of a first aspect of the utility model includes: the lock plate is provided with a plurality of lock hook parts along the length direction of the lock plate; the locking mechanism comprises a first locking piece and a second locking piece, wherein the first locking piece and the second locking piece are respectively provided with a locking part which can be correspondingly matched with the locking hook part one by one; the driving mechanism is arranged between the first locking piece and the second locking piece, the driving mechanism is respectively connected with the first locking piece and the second locking piece, and the driving mechanism can drive the first locking piece and the second locking piece to deviate from or move towards each other, so that the locking part on the first locking piece and the locking part on the second locking piece are respectively locked or unlocked with the corresponding locking hook part.
The anti-arcing door lock device provided by the embodiment of the utility model at least has the following beneficial effects:
the utility model relates to an arc-proof door lock device, which comprises a lock plate, a first locking piece, a second locking piece and a driving mechanism, wherein the lock plate is provided with a plurality of lock hook parts, the first locking piece and the second locking piece are respectively provided with lock catch parts which are correspondingly matched with the lock hook parts one by one, the first locking piece and the second locking piece are driven to move away from or towards each other by a driving mechanism arranged between the first locking piece and the second locking piece, so that the locking part on the first locking piece and the locking part on the second locking piece are respectively locked with or unlocked from the corresponding locking hook part on the locking plate, because the directions of the first locking piece and the second locking piece which are matched and locked with the locking hook part are opposite, the door plate can be locked bidirectionally, when an arcing accident occurs, the door plate can be more firmly locked on the cabinet body of the switch cabinet by bidirectional locking, so that the high pressure generated by arcing is prevented from pushing the door plate open to harm the personal safety of operation and maintenance personnel.
According to some embodiments of the utility model, the driving mechanism is a rotating mechanism, and the rotating mechanism is respectively connected with the first locking element and the second locking element in a rotating manner so as to drive the first locking element and the second locking element to move away from or towards each other.
According to some embodiments of the present invention, the first locking element includes a first transmission plate, the second locking element includes a second transmission plate, the locking portions are respectively disposed on the first transmission plate and the second transmission plate, the driving mechanism is respectively connected to the first transmission plate and the second transmission plate to drive the first transmission plate and the second transmission plate to move away from or towards each other, and the first transmission plate and the second transmission plate are both provided with a bending portion.
According to some embodiments of the present invention, the locking plate includes a first locking plate and a second locking plate spaced apart in a longitudinal direction, the driving mechanism is disposed between the first locking plate and the second locking plate, the locking hook portion is a hook groove disposed on the first locking plate or the second locking plate, and the grooving directions of the hook grooves on the first locking plate and the second locking plate are the same or opposite, so that the hook groove on the first locking plate can be locked with or unlocked from the locking part on the first locking element, and the hook groove on the second locking plate can be locked with or unlocked from the locking part on the second locking element.
According to some embodiments of the utility model, the first locking plate and the second locking plate are each die-cast integral structures.
According to some embodiments of the utility model, the hook grooves provided on the first locking plate and the second locking plate, respectively, are equal in number.
According to some embodiments of the present invention, the locking part is a locking bar disposed on the first locking element or the second locking element, and the hook groove is capable of being fastened with the locking bar.
According to some embodiments of the utility model, the door lock further comprises a guide groove mechanism, wherein the guide groove mechanism is provided with a mounting part used for being connected with a door panel, and the guide groove mechanism is respectively connected with the first locking piece and the second locking piece so that the first locking piece and the second locking piece move away from or towards each other along the guide groove mechanism.
According to some embodiments of the utility model, the guide groove mechanism is provided with a groove, the first locking piece and the second locking piece are both positioned in the groove, the side wall of the groove is provided with an elongated guide hole, and the first locking piece and the second locking piece are both connected with the guide hole to move away from or towards each other along the length direction of the guide hole.
According to a second aspect of the utility model, a switch cabinet comprises a fire-proof door lock device disclosed in any one of the above embodiments.
The switch cabinet provided by the embodiment of the utility model at least has the following beneficial effects:
according to the switch cabinet, the door plate of the switch cabinet is bidirectionally locked by the arc-proof door lock device, the door plate of the switch cabinet can be firmly locked on the cabinet body when high voltage is applied, and the door plate is prevented from being damaged by high voltage generated by arc burning to hurt operation and maintenance personnel, so that the safety and the reliability of the switch cabinet are effectively improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view showing the overall structure of one embodiment of an arc ignition preventing door lock apparatus according to the present invention;
FIG. 2 is a schematic view showing the structure of one embodiment of an arc ignition preventing door lock apparatus according to the present invention;
FIG. 3 is a schematic view showing a coupling structure of a rotating mechanism as a driving mechanism according to an embodiment of the arc ignition preventing door lock apparatus of the present invention;
FIG. 4 is a structural diagram illustrating an unlocked state of one embodiment of the arcing prevention door lock device according to the present invention;
FIG. 5 is a schematic view of a locking state structure of one embodiment of an arc ignition preventing door lock apparatus according to the present invention;
fig. 6 is a side view of one embodiment of an arc-strike resistant door latch mechanism of the present invention.
Reference numerals:
the door comprises a door panel 100, a lock plate 200, a first lock plate 210, a second lock plate 220, a lock hook part 201, a driving mechanism 300, a first lock element 410, a first transmission plate 411, a second lock element 420, a second transmission plate 421, a lock part 401, a bending part 402, a guide groove mechanism 500 and a guide hole 510.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the positional or orientational descriptions referred to, for example, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the positional or orientational relationships shown in the drawings and are for convenience of description and simplicity of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 6, an arc-proof door lock device according to an embodiment of the present invention includes a lock plate 200, a first lock member 410, a second lock member 420, and a driving mechanism 300, wherein a plurality of lock hook portions 201 are disposed along a length direction of the lock plate 200, lock latch portions 401 capable of being engaged with the lock latch portions 201 are disposed on the first lock member 410 and the second lock member 420 in a one-to-one correspondence manner, the driving mechanism 300 is disposed between the first lock member 410 and the second lock member 420, and the driving mechanism 300 is connected to the first lock member 410 and the second lock member 420, respectively, and the driving mechanism 300 can drive the first lock member 410 and the second lock member 420 to move away from or towards each other, so that the lock latch portions 401 on the first lock member 410 and the lock latch portions 401 on the second lock member 420 are respectively locked with or unlocked from the corresponding lock latch portions 201.
In some embodiments of the present invention, as shown in fig. 3, the driving mechanism 300 is a rotating mechanism, and the rotating mechanism is respectively connected to the first locking element 410 and the second locking element 420 to drive the first locking element 410 and the second locking element 420 to move away from or towards each other.
The locking plate 200 may be a steel plate or an alloy plate, the locking hook portion 201 may be a hook slot or a hook, the first locking element 410 and the second locking element 420 may be steel plates or cast iron strips, the locking portion 401 may be a bolt or a slide fastener, and the driving mechanism 300 may be a bidirectional cylinder or a cam or a gear. Specifically, the driving mechanism 300 is a rotating mechanism of a gear, referring to fig. 1 and 3, the driving mechanism 300 is a gear, the first locking element 410 and the second locking element 420 are both connected to two sides of the gear through a rack, when the gear rotates clockwise, the first locking element 410 and the second locking element 420 can be driven to move away from each other, so that the locking portion 401 on the first locking element 410 and the locking portion 401 of the second locking element 420 are respectively connected to the corresponding locking hook 201 to realize locking, and when the gear rotates counterclockwise, the first locking element 410 and the second locking element 420 can be driven to move toward each other, so that the locking portion 401 on the first locking element 410 and the locking portion 401 of the second locking element 420 are respectively separated from the corresponding locking hook 201 to realize unlocking. It can be understood that, through the rotational drive of gear, make first locking piece 410 and second locking piece 420 opposite with the direction of locking of latch hook portion 201 cooperation, thereby realized two-way locking to door plant 100, two-way locking can lock door plant 100 on the cabinet body of cubical switchboard more reliably, and then can prevent that the high pressure that the arcing produced from pushing open door plant 100 and endangering fortune dimension personnel's personal safety when taking place the arcing accident, and door lock device overall structure is compact, also can realize effective and reliable locking cooperation in less space, accord with the miniaturized development trend of current cubical switchboard, good market prospect has in the application.
In some embodiments of the present invention, as shown in fig. 1-2 and 6, the first locking element 410 includes a first transmission plate 411, the second locking element 420 includes a second transmission plate 421, the locking portions 401 are respectively disposed on the first transmission plate 411 and the second transmission plate 421, the driving mechanism 300 is respectively connected to the first transmission plate 411 and the second transmission plate 421 to drive the first transmission plate 411 and the second transmission plate 421 to move away from or towards each other, and the first transmission plate 411 and the second transmission plate 421 are both provided with a bending portion 402.
Specifically, referring to fig. 1-2 and 6, the first transmission plate 411 and the second transmission plate 421 are used to transmit the driving action of the driving mechanism 300 so that the locking portions 401 disposed on the transmission plates can cooperate with the locking hook portions 201 on the locking plate 200 to realize locking or unlocking, and since a plurality of locking portions 401 are generally required to be disposed on the first transmission plate 411 and the second transmission plate 421, in order to ensure that the door lock device can bear the high-pressure destructive force generated by arcing, by disposing the bending portions 402 on the first transmission plate 411 and the second transmission plate 421, it can be understood that, referring to fig. 2, the structure of bending the transmission plates into a U shape is beneficial to improving the deformation resistance of the transmission plates compared with a straight plate, so as to increase the sheet metal strength of the first transmission plate 411 and the second transmission plate 421, and further resist high-pressure impact when an arcing accident occurs.
In some embodiments of the present invention, as shown in fig. 1 and 4 to 5, the locking plate 200 includes a first locking plate 210 and a second locking plate 220 spaced apart in a longitudinal direction, the driving mechanism 300 is disposed between the first locking plate 210 and the second locking plate 220, the locking hook 201 is a hook slot disposed on the first locking plate 210 or the second locking plate 220, and the hooking slots on the first locking plate 210 and the second locking plate 220 are slotted in the same or opposite directions so that the hook slot on the first locking plate 210 can be locked with or unlocked from the locking portion 401 on the first locking member 410, and the hook slot on the second locking plate 220 can be locked with or unlocked from the locking portion 401 on the second locking member 420.
Specifically, referring to fig. 1, the slotting directions of the hook grooves on the first locking plate 210 and the second locking plate 220 are the same or opposite, the driving mechanism 300 is matched to drive the first locking element 410 and the second locking element 420 to move away from or towards each other, the locking portion 401 is exemplified by a bolt, the bolt can be locked or unlocked by sliding to be fastened or separated with the hook grooves, the structure is simple and compact, the driving mechanism 300 can realize locking and unlocking of a plurality of locking points on the door lock device together by only one driving action, and the operation is convenient and fast.
In some embodiments of the present invention, as shown in fig. 1 and 4-5, first locking plate 210 and second locking plate 220 are each die cast unitary structures.
Specifically, the first locking plate 210 and the second locking plate 220 are formed by die-casting, which is beneficial to improving the sheet metal strength of the locking plates and the hook grooves, so that the locking of the locking hook portion 201 and the locking portion 401 can bear larger arcing high-pressure impact, and the damage caused by high pressure is avoided.
In some embodiments of the present invention, as shown in fig. 1 and 4-5, the number of hook slots provided on the first locking plate 210 and the second locking plate 220, respectively, is equal.
It can be understood that the hook grooves formed in the first locking plate 210 and the second locking plate 220 are equal in number, and the number of locking points for the door lock device to lock the door panel 100 in two directions is consistent, so that the locking strength of the door lock device in two directions is relatively balanced, the stress of the locked door panel 100 is more balanced, and the situation that a weak part is easily damaged by high-pressure impact due to uneven stress is avoided.
In some embodiments of the present invention, as shown in fig. 1 to 3 and 6, the locking part 401 is a locking bar provided on the first locking element 410 or the second locking element 420, and the hook groove can be engaged with the locking bar.
Referring to fig. 1, the locking portion 401 may be a locking rod, specifically, the locking rod may be a screw rod or a metal rod, the first locking element 410 and the second locking element 420 are vertically disposed on the door panel 100, and similarly, the first locking plate 210 and the second locking plate 220 are also vertically disposed on a side panel of the switch cabinet, and the first locking element 410 and the second locking element 420 move away from or towards each other along a length direction on the first locking plate 210 and the second locking plate 220, so that the locking rod can be engaged with or separated from the hook slot by sliding up and down along the length direction on the first locking plate 210 and the second locking plate 220 to achieve mutual locking or unlocking. It can be understood that, referring to fig. 1, the force direction of the hook groove relative to the lock rod is perpendicular to the sliding locking direction of the lock rod, and the hook groove and the sliding locking direction of the lock rod are not interfered with each other, so that the deformation of the structure of the door lock device is not easily caused by long-term force application, and the structural stability of the door lock device in long-term use is favorably improved.
In some embodiments of the present invention, as shown in fig. 1 and 4-6, the door lock further includes a guide slot mechanism 500, a mounting portion is disposed on the guide slot mechanism 500 for connecting with the door panel 100, and the guide slot mechanism 500 is connected with the first locking element 410 and the second locking element 420 respectively so that the first locking element 410 and the second locking element 420 move away from or towards each other along the guide slot mechanism 500.
In some embodiments of the present invention, as shown in fig. 1 and fig. 4 to 6, a groove is provided on the guide groove mechanism 500, the first locking element 410 and the second locking element 420 are both located in the groove, an elongated guide hole 510 is provided on a side wall of the groove, and the first locking element 410 and the second locking element 420 are both connected with the guide hole 510 to move away from or toward each other along a length direction of the guide hole 510.
Specifically, referring to fig. 1 and fig. 4 to 6, the guide slot mechanism 500 is fixedly mounted on the door panel 100 through the mounting portion, the first locking element 410 and the second locking element 420 are arranged in the groove of the guide slot mechanism 500, and the side walls on both sides of the groove are correspondingly provided with the guide holes 510, the guide holes 510 are strip-shaped, the bolts arranged on the first locking element 410 and the second locking element 420 are inserted into the guide holes 510, when the door panel 100 is required to be locked with the cabinet body of the switch cabinet, under the driving action of the driving mechanism 300, the first locking element 410 and the second locking element 420 can move away from each other in the groove along the length direction of the guide holes 510, so as to drive the bolts to move and be reliably positioned in the hook slots, and the locking in place is realized through the mutual snap-fit of the bolts and the hook slots. It can be understood that, by the guide slot mechanism 500 and the guide hole 510 structures on both sides of the groove thereof, the direction and the stroke for driving the first locking element 410 and the second locking element 420 to move away from or towards each other can be precisely controlled, so that the locking portions 401 on the first locking element 410 and the second locking element 420 can be matched with the locking hook portions 201 on the locking plate 200 in a one-to-one correspondence manner along a preset expected path for accurate locking or unlocking.
According to a second aspect embodiment of the utility model, a switch cabinet comprises a fire-proof door lock device disclosed in any one of the embodiments. The switch cabinet realizes bidirectional locking of the door panel 100 by adopting the arc-burning-proof door lock device, the door panel 100 can be firmly locked on the cabinet body when high pressure is met, and the door panel 100 is prevented from being damaged by high pressure generated by arc burning to hurt operation and maintenance personnel, so that the safety and the reliability of the switch cabinet are effectively improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An arcing-proof door lock device, comprising:
a lock plate (200) provided with a plurality of lock hook portions (201) along a longitudinal direction of the lock plate (200);
the locking mechanism comprises a first locking piece (410) and a second locking piece (420), wherein the first locking piece (410) and the second locking piece (420) are respectively provided with a locking part (401) which can be correspondingly matched with the locking hook part (201) one by one;
the driving mechanism (300) is arranged between the first locking piece (410) and the second locking piece (420), the driving mechanism (300) is respectively connected with the first locking piece (410) and the second locking piece (420), and the driving mechanism (300) can drive the first locking piece (410) and the second locking piece (420) to move away from or towards each other, so that the locking part (401) on the first locking piece (410) and the locking part (401) on the second locking piece (420) are respectively locked with or unlocked from the corresponding locking hook part (201).
2. An arc ignition proof door lock device according to claim 1, wherein: the driving mechanism (300) is a rotating mechanism, and the rotating mechanism is respectively connected with the first locking piece (410) and the second locking piece (420) in a rotating manner so as to drive the first locking piece (410) and the second locking piece (420) to move away from or towards each other.
3. An arc ignition proof door lock device according to claim 1, wherein: first locking piece (410) includes first transmission board (411), second locking piece (420) includes second transmission board (421), hasp portion (401) set up respectively first transmission board (411) with on second transmission board (421), actuating mechanism (300) respectively with first transmission board (411) with second transmission board (421) are connected in order to order about first transmission board (411) with second transmission board (421) deviate from each other or move towards, first transmission board (411) with all be provided with kink (402) on second transmission board (421).
4. An arc ignition proof door lock device according to claim 1, wherein: the locking plate (200) comprises a first locking plate (210) and a second locking plate (220) which are arranged at intervals along the length direction, the driving mechanism (300) is arranged between the first locking plate (210) and the second locking plate (220), the locking hook part (201) is a hook groove arranged on the first locking plate (210) or the second locking plate (220), the slotting direction of the hook groove on the first locking plate (210) and the second locking plate (220) is the same or opposite, so that the hook groove on the first locking plate (210) can be locked with or unlocked from the locking part (401) on the first locking piece (410), and the hook groove on the second locking plate (220) can be locked with or unlocked from the locking part (401) on the second locking piece (420).
5. An arcing-proof door lock apparatus according to claim 4, wherein: the first locking plate (210) and the second locking plate (220) are both of a die-cast integral structure.
6. An arcing-proof door lock apparatus according to claim 4, wherein: the number of hook grooves respectively provided on the first locking plate (210) and the second locking plate (220) is equal.
7. An arcing-proof door lock apparatus according to claim 4, wherein: the lock catch part (401) is a lock rod arranged on the first lock piece (410) or the second lock piece (420), and the hook groove can be buckled with the lock rod.
8. An arc ignition proof door lock device according to claim 1, wherein: still include guide slot mechanism (500), be provided with the installation department that is used for being connected with door plant (100) on guide slot mechanism (500), guide slot mechanism (500) respectively with first locking piece (410) with second locking piece (420) are connected so that first locking piece (410) with second locking piece (420) are followed guide slot mechanism (500) deviates from each other or moves towards.
9. The arc ignition preventing door lock device according to claim 8, wherein: be provided with the recess on guide slot mechanism (500), first locking piece (410) with second locking piece (420) all are located in the recess, be provided with rectangular form guide hole (510) on the lateral wall of recess, first locking piece (410) with second locking piece (420) all with guide hole (510) are connected with the edge the length direction of guide hole (510) deviates from each other or moves towards.
10. A kind of switch cabinet, its characterized in that: door lock device comprising a fire protection arc according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121772855.8U CN216197325U (en) | 2021-07-30 | 2021-07-30 | Anti-arcing door lock device and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121772855.8U CN216197325U (en) | 2021-07-30 | 2021-07-30 | Anti-arcing door lock device and switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN216197325U true CN216197325U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121772855.8U Active CN216197325U (en) | 2021-07-30 | 2021-07-30 | Anti-arcing door lock device and switch cabinet |
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| CN (1) | CN216197325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4332334A1 (en) | 2022-08-31 | 2024-03-06 | Gretsch Unitas Limited | A reciprocating, sliding engagement mechanism for a window or door |
-
2021
- 2021-07-30 CN CN202121772855.8U patent/CN216197325U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4332334A1 (en) | 2022-08-31 | 2024-03-06 | Gretsch Unitas Limited | A reciprocating, sliding engagement mechanism for a window or door |
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