CN221042139U - Low-voltage drawer type switch cabinet - Google Patents
Low-voltage drawer type switch cabinet Download PDFInfo
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- CN221042139U CN221042139U CN202322312844.7U CN202322312844U CN221042139U CN 221042139 U CN221042139 U CN 221042139U CN 202322312844 U CN202322312844 U CN 202322312844U CN 221042139 U CN221042139 U CN 221042139U
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- drawer
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- buffer
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- 238000013016 damping Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 abstract 4
- 238000000429 assembly Methods 0.000 abstract 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
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Abstract
The utility model discloses a low-voltage drawer type switch cabinet which comprises a cabinet body and a drawer, wherein the cabinet body is provided with a plurality of concave cavities, two sides of each concave cavity are provided with fixing grooves which are arranged in a staggered relation, buttons are arranged between the fixing grooves, two sides of each concave cavity are provided with guide rail assemblies, the tops and the bottoms of two sides of each concave cavity are provided with avoiding grooves, the bottoms of the inlets and the bottoms of the avoiding grooves are provided with first buffer assemblies, and the drawer is provided with at least two fixing assemblies. According to the utility model, through the mutual matching of the guide rail assembly, the first buffer assembly and the second buffer assembly, the influence of vibration and shaking generated in all directions on the drawer is absorbed, the running stability of electronic equipment in the drawer is ensured, and through the design of the dislocation relation of the fixed assemblies, the fixed base number is increased, the connection and fixation reliability of the drawer is ensured, so that the product has the advantages of good damping effect, stability improvement, fixation reliability of the drawer and the like.
Description
Technical Field
The utility model relates to the technical field of switch cabinets, in particular to a low-voltage drawer type switch cabinet.
Background
The low-voltage drawer type switch cabinet is a functional unit capable of completing a certain type of power supply task, and is generally made of a steel plate into a closed shell, wherein a main switch is arranged in the closed shell, and the main switch is provided with an inlet end electrically connected with an electrified bus and an outlet end electrically connected with an external electrical element; when the drawer type switch cabinet breaks down and needs to be overhauled, the drawer can be directly pulled out from the inside of the switch cabinet frame body to be overhauled, and after the overhauling is finished, the drawer is pushed into the inside of the switch cabinet frame body to be installed, so that the installation is very convenient.
The existing low-voltage drawer type switch cabinets are mostly arranged on the guide rail in a direct sliding mode, wherein the guide rail is fixedly connected with the side wall of a concave cavity of the low-voltage drawer type switch cabinet, vibration can be generated when the low-voltage drawer type switch cabinet operates, the low-voltage drawer type switch cabinet is transmitted to the drawer through the guide rail, the vibration reduction device is not arranged, the connection between the electrical equipment inside the drawer and the guide wire can be loose, the service life of the electronic equipment is reduced, the drawer is easy to collide with the second limiting block in the drawing process, the damage of the electronic equipment inside the drawer is further increased, and the occurrence probability of potential fault risks is increased. The inventors have thus devised an advantageous design to find a solution to the above-mentioned problems, and the technical solutions described below are created in this context.
Disclosure of Invention
The utility model aims to overcome the defects of the design of the traditional low-voltage drawer type switch cabinet, and provides a product with good damping effect, improved stability and reliable drawer fixation.
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a low pressure drawer type cubical switchboard, includes the cabinet body, drawer, the cabinet body is equipped with a plurality of cavitys, the both sides of cavity are equipped with fixed recess, and set up to dislocation relation, be equipped with the button between the fixed recess, the both sides of cavity are equipped with guide rail assembly, both sides top, the bottom of cavity are equipped with dodges the recess, dodge the entrance of recess, bottom are equipped with first buffer unit, the drawer is equipped with two at least fixed subassemblies, the both sides of drawer are equipped with the recess of stepping down, the bottom of stepping down the recess, top are equipped with the second buffer unit, the drawer slides and gets into the cavity, makes second buffer unit and guide rail assembly contact, until the drawer gets into the cavity completely to the first buffer unit of butt, and trigger button, make fixed subassembly operation and with fixed recess contact, make drawer and cavity connection fixed.
Preferably, the recess of stepping down is equipped with two at least spacing recesses, the entrance of spacing recess is equipped with the end cap, the bottom of spacing recess is equipped with a plurality of first counter bores, the outer wall of the recess of stepping down is equipped with first stopper to with first buffer assembly contact, the drawer is equipped with two at least first recesses, and sets up to dislocation relation.
Preferably, the guide rail assembly comprises a fixed frame, a first spring and rollers, the top and the bottom of the fixed frame are provided with second grooves, the second grooves are provided with supporting shafts, the rollers are arranged on the supporting shafts, and the first springs are fixedly arranged on two sides of the second grooves and are abutted to the rollers.
Preferably, the entrance of dodging the recess is equipped with the second stopper to through the screw fixation, first buffer assembly installs to be fixed at the second stopper, first buffer assembly comprises supporting shoe, second spring, buffer block, the supporting shoe is equipped with the blind hole, the both sides of blind hole are equipped with spacing through-hole, the center of blind hole is equipped with the cylinder, the buffer block is equipped with two barbs, and sets up in spacing through-hole, the second spring sets up in the cylinder, and the butt buffer block makes the buffer block stretch out the blind hole, makes barb and the top contact of spacing through-hole.
Preferably, the second buffer assembly comprises fly leaf, third spring, the fly leaf is equipped with two at least third stoppers to set up in spacing recess, the shape of third stopper, spacing recess sets up to T shape, the top of fly leaf is equipped with a plurality of second counter bores, the bottom of fly leaf is equipped with movable through-hole, and contacts with the gyro wheel, the third spring is installed and is fixed at first counter bore, and butt second counter bore makes the bottom contact of third stopper and spacing recess.
Preferably, the fixed subassembly comprises electro-magnet, fourth spring, telescopic link, fixed block, the electro-magnet is installed and is fixed at first recess, the telescopic link is fixed with the fixed block connection, the telescopic link passes the electro-magnet, the telescopic link is equipped with first fender ring, second fender ring, the fourth spring sets up in the telescopic link to the one end of butt electro-magnet, first fender ring make the second keep off the ring and contact with the other end of electro-magnet, and the fixed block is retracted to first recess, makes the telescopic link activity after the electro-magnet circular telegram, drives the fixed block and stretches out first recess to contact with fixed recess.
The beneficial effects are that:
compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, when the cabinet body shakes left and right during carrying or running and is transmitted to the drawer, the movable plate drives the roller to move left and right and extrudes the first spring, so that the first spring is in the reciprocating process of accumulating force or releasing counter force, and the influence of left and right vibration or shaking on electronic equipment in the drawer is counteracted; when the drawer is pulled out or completely enters the concave cavity, the first limiting block is contacted with the buffer block, so that the buffer block moves towards the blind hole direction and extrudes the second spring, the second spring stores force and releases counter force to push the buffer block to reset, and therefore the influence of collision on electronic equipment in the drawer is counteracted; when the cabinet body runs, up-and-down vibration is generated and transmitted to the drawer, so that the distance between the abdication groove and the movable plate is shortened, and the third spring is extruded, so that the third spring stores force and releases counterforce, and the influence of the up-and-down vibration on electronic equipment in the drawer is counteracted; through mutually supporting between the above-mentioned subassembly, improve the stability when drawer cabinet operation, activity, improve the life of the inside electronic equipment of drawer and ensure the connection reliability of wire and link, make the product have shock attenuation effectual, improve stability's advantage.
(2) According to the utility model, when the drawer completely enters the concave cavity and touches the button, at the moment, the cabinet body is in a power-on state, the electromagnet is electrified to drive the telescopic rod to move, so that the fixed block extends out of the first groove and contacts with the fixed groove, the drawer is fixedly connected with the concave cavity, the fixed base number is increased by designing the dislocation relation of the fixed component, the connection and fixation reliability of the drawer is ensured, and the product has the advantage of reliability in drawer fixation.
Drawings
FIG. 1 is a schematic diagram of a cabinet structure of a low-voltage drawer type switch cabinet according to the present utility model;
FIG. 2 is a front view of a cavity of a low voltage drawer type switch cabinet of the present utility model;
FIG. 3 is a schematic view of a cross-sectional mechanism of a front view of a low voltage drawer type switch cabinet of the present utility model;
FIG. 4 is an enlarged view of a detail A of a low-voltage drawer type switch cabinet of FIG. 3 according to the present utility model;
FIG. 5 is a schematic side sectional view of a low voltage drawer type switch cabinet of the present utility model;
FIG. 6 is an enlarged view of a detail B of a low-voltage drawer type switch cabinet of FIG. 5 according to the present utility model;
FIG. 7 is a schematic diagram of a drawer assembly of a low-voltage drawer type switch cabinet according to the present utility model;
FIG. 8 is a schematic drawing of a drawer structure of a low-voltage drawer type switch cabinet of the present utility model;
FIG. 9 is an exploded view of a second buffer assembly of a low voltage drawer type switch cabinet of the present utility model;
FIG. 10 is a schematic view of a stationary assembly of a low voltage drawer type switch cabinet according to the present utility model;
FIG. 11 is an exploded view of a first buffer assembly of a low voltage drawer type switch cabinet of the present utility model;
FIG. 12 is an exploded view of a rail assembly of a low voltage drawer type switch cabinet of the present utility model;
The correspondence between the reference numerals and the component names in the drawings is as follows:
Reference numerals: 1. a cabinet body; 2. a drawer; 3. a guide rail assembly; 4. a first cushioning assembly; 5. a fixing assembly; 6. a second cushioning assembly; 7. a screw;
11. A cavity; 12. a fixing groove; 13. a button; 14. avoiding the groove; 15. a second limiting block;
21. A relief groove; 22. a limit groove; 23. a plug; 24. a first counterbore; 25. a first limiting block; 26. a first groove;
31. a fixed frame; 32. a first spring; 33. a roller;
311. A second groove; 312. a support shaft;
41. a support block; 42. a second spring; 43. a buffer block;
411. A blind hole; 412. limiting through holes; 413. a cylinder;
431. A barb;
51. An electromagnet; 52. a fourth spring; 53. a telescopic rod; 54. a fixed block;
531. a first baffle ring; 532. A second baffle ring;
61. a movable plate; 62. A third spring;
611. A third limiting block; 612. a second counterbore; 613. a movable through hole.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices 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 present utility model.
Referring to fig. 1 to 12, a low voltage drawer type switch cabinet includes a cabinet body 1 and a drawer 2, the cabinet body 1 is provided with a plurality of concave cavities 11, two sides of the concave cavities 11 are provided with fixing grooves 12 and are arranged in a dislocation relation, buttons 13 are arranged between the fixing grooves 12, two sides of the concave cavities 11 are provided with guide rail components 3, tops and bottoms of two sides of the concave cavities 11 are provided with avoiding grooves 14, inlets of the avoiding grooves 14 and bottoms of the avoiding grooves are provided with first buffer components 4, the drawer 2 is provided with at least two fixing components 5, two sides of the drawer 2 are provided with avoiding grooves 21, bottoms and tops of the avoiding grooves 21 are provided with second buffer components 6, the drawer 2 slides into the concave cavities 11, the second buffer components 6 are in contact with the guide rail components 3 until the drawer 2 completely enters the concave cavities 11 and is abutted against the first buffer components 4, and the buttons 13 are triggered, the fixing components 5 are enabled to run and are in contact with the fixing grooves 12, and the drawer 2 is connected and fixed with the concave cavities 11;
It should be noted that, the relief groove 21 is provided with at least two limit grooves 22, the entrance of the limit groove 22 is provided with a plug 23, the bottom of the limit groove 22 is provided with a plurality of first counter bores 24, the outer wall of the relief groove 21 is provided with a first limiting block 25 and contacts with the first buffer component 4, the drawer 2 is provided with at least two first grooves 26, and is arranged in a dislocation relation, the limit groove 22 limits the extending distance of the movable plate 61, the plug 23 prevents the movable plate 61 from falling off the limit groove 22 and prevents dust from entering, the first counter bores 24 provide an accommodating space for the third springs 62, the force of collision or impact is transmitted to the first buffer component 4 through the first limiting block 25, the force of absorbing collision and impact is reduced, the first grooves 26 provide an accommodating space for the fixed component 5, the surface of the fixed component 5 and the drawer 2 are ensured, the dislocation relation is designed to increase the fixing base number of the fixed block 54 and the fixed groove 12, the reliability of the connection of the drawer 2 and the concave cavity 11 is increased, and the error pulling out of other staff is prevented;
It should be noted that, the guide rail assembly 3 is composed of a fixed frame 31, a first spring 32 and a roller 33, the top and the bottom of the fixed frame 31 are provided with a second groove 311, the second groove 311 is provided with a supporting shaft 312, the roller 33 is arranged on the supporting shaft 312, the first spring 32 is fixedly arranged at two sides of the second groove 311 and is abutted against the roller 33, the second groove 311 is used for accommodating the first spring 32 and the roller 33, the supporting shaft 312 enables the roller 33 to rotate along the axial line direction, and the first spring 32 counteracts shaking generated by left-right displacement of the roller 33;
It is worth mentioning that the second limiting block 15 is arranged at the entrance of the avoidance groove 14 and is fixed through the screw 7, the first buffer component 4 is installed and fixed on the second limiting block 15, the first buffer component 4 is composed of the supporting block 41, the second spring 42 and the buffer block 43, the supporting block 41 is provided with a blind hole 411, limiting through holes 412 are arranged on two sides of the blind hole 411, a cylinder 413 is arranged in the center of the blind hole 411, the buffer block 43 is provided with two barbs 431 and is arranged in the limiting through holes 412, the second spring 42 is arranged on the cylinder 413 and abuts against the buffer block 43, the buffer block 43 extends out of the blind hole 411, the barbs 431 are in contact with the top of the limiting through holes 412, the second limiting block 15 provides support for the first buffer component 4, the distance for limiting the drawer 2 to be pulled out and enter is achieved, and the effect of preventing the drawer 2 from being completely pulled out is achieved, when the drawer 2 needs to be completely removed, the blind hole 411 is the second spring 42 and the buffer block 43 provides an accommodating space, the limiting through holes 412 limits the retraction and the extending distance of the buffer block 43, the cylinder 413 is prevented from being concentrated with a more concentrated displacement due to the second spring 42;
It should be noted that the second buffer assembly 6 is composed of a movable plate 61 and a third spring 62, the movable plate 61 is provided with at least two third limiting blocks 611 and is arranged in the limiting groove 22, the shapes of the third limiting blocks 611 and the limiting groove 22 are T-shaped, the top of the movable plate 61 is provided with a plurality of second counter bores 612, the bottom of the movable plate 61 is provided with a movable through hole 613 and is contacted with the roller 33, the third spring 62 is fixedly arranged in the first counter bore 24 and is abutted against the second counter bores 612, the third limiting blocks 611 are contacted with the bottom of the limiting groove 22, the third limiting blocks 611 are matched with the limiting groove 22 for use, the second counter bores 612 provide accommodating spaces for the third spring 62, and the first counter bores 24 and the second counter bores 612 are designed to prevent the third spring 62 from having redundant movable spaces after the movable plate 61 is contacted with the yielding groove 21, and prevent the third spring 62 from being extruded and deformed due to insufficient space, so that the elastic potential energy of the third spring 62 is reduced;
it should be noted that, the fixing component 5 is composed of an electromagnet 51, a fourth spring 52, a telescopic rod 53 and a fixing block 54, the electromagnet 51 is fixedly installed in the first groove 26, the telescopic rod 53 is fixedly connected with the fixing block 54, the telescopic rod 53 penetrates through the electromagnet 51, the telescopic rod 53 is provided with a first baffle ring 531 and a second baffle ring 532, the fourth spring 52 is arranged on the telescopic rod 53 and abuts against one end of the electromagnet 51 and the first baffle ring 531, the second baffle ring 532 is in contact with the other end of the electromagnet 51, the fixing block 54 is retracted into the first groove 26, when the electromagnet 51 is electrified, the telescopic rod 53 is enabled to move, the fixing block 54 is driven to extend out of the first groove 26 and is contacted with the fixing groove 12, after the electromagnet 51 is electrified, the iron core is magnetized by a magnetic field, the telescopic rod 53 is attracted to move, the fixing block 54 is driven to extend out of the first groove 26, the first baffle plate plays a role of receiving the counter force of the first spring 32, and the second baffle ring 532 plays a role of limiting the retraction distance of the telescopic rod 53.
The principle of use of the utility model will now be described as follows:
When the cabinet body 1 shakes left and right during carrying or running and is transmitted to the drawer 2, the movable plate 61 drives the roller 33 to displace left and right and extrudes the first spring 32, so that the first spring 32 is in the reciprocating process of accumulating force or releasing counter force, and the influence of the left and right vibration or shaking on electronic equipment in the drawer 2 is counteracted;
When the drawer 2 is pulled out or completely enters the cavity 11, the first limiting block 25 is in contact with the buffer block 43, so that the buffer block 43 moves towards the blind hole 411, the barb 431 moves towards the other end of the limiting through hole 412 and presses the second spring 42, so that the second spring 42 stores force and releases counterforce to push the buffer block 43 to reset, and the impact of collision on electronic equipment in the drawer 2 is counteracted;
When the cabinet body 1 runs, the up-and-down vibration is generated and transmitted to the drawer 2, so that the distance between the abdication groove 21 and the movable plate 61 is shortened, the third spring 62 is extruded, the third spring 62 stores the force and releases the counter force, and the influence of the up-and-down vibration on electronic equipment in the drawer 2 is counteracted;
When the drawer 2 completely enters the concave cavity 11 and touches the button 13, and when the cabinet body 1 is in a power-on state, the electromagnet 51 is electrified to drive the telescopic rod 53 to move, the first baffle ring 531 presses the fourth spring 52 to enable the fourth spring 52 to store force, the fixed block 54 extends out of the first groove 26 and contacts with the fixed groove 12, and the drawer 2 is fixedly connected with the concave cavity 11; when the cabinet body 1 is in a power-off state, the electromagnet 51 is powered off, the fourth spring 52 releases the counter force to push the first baffle ring 531 and the telescopic rod 53 to reset until the second baffle ring 532 contacts with the side surface of the electromagnet 51, the fixed block 54 leaves the fixed groove 12 and retracts into the first groove 26, and the fixed base number is increased by designing the dislocation relation of the fixed assembly 5, so that the connection and fixation reliability of the drawer 2 is ensured.
Through the design scheme, the product has the advantages of good damping effect, stability improvement and drawer fixing reliability.
The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.
Claims (6)
1. The utility model provides a low-voltage drawer type switch cabinet, includes cabinet body (1), drawer (2), its characterized in that: the cabinet body (1) is equipped with a plurality of cavitys (11), the both sides of cavity (11) are equipped with fixed recess (12), and set up to dislocation relation, be equipped with button (13) between fixed recess (12), the both sides of cavity (11) are equipped with guide rail assembly (3), both sides top, the bottom of cavity (11) are equipped with dodges recess (14), the entrance of dodging recess (14), bottom are equipped with first buffer assembly (4), drawer (2) are equipped with two at least fixed subassemblies (5), the both sides of drawer (2) are equipped with groove (21) of stepping down, the bottom of groove (21) of stepping down, top are equipped with second buffer assembly (6), drawer (2) slide and get into cavity (11), make second buffer assembly (6) and guide rail assembly (3) contact, until drawer (2) get into cavity (11) completely to butt first buffer assembly (4), and trigger button (13), make fixed subassembly (5) move and with fixed recess (12) contact, make drawer (2) and cavity (11) be connected fixedly.
2. The low voltage drawer switch cabinet of claim 1, wherein: the utility model discloses a drawer, including recess (21) of stepping down, drawer (2) are equipped with two at least spacing recesses (22), the entrance of spacing recess (22) is equipped with end cap (23), the bottom of spacing recess (22) is equipped with a plurality of first counter bores (24), the outer wall of recess (21) of stepping down is equipped with first stopper (25) to contact with first buffer assembly (4), drawer (2) are equipped with two at least first recesses (26), and set up to dislocation relation.
3. The low voltage drawer switch cabinet of claim 2, wherein: the guide rail assembly (3) is composed of a fixed frame (31), a first spring (32) and rollers (33), second grooves (311) are formed in the top and the bottom of the fixed frame (31), supporting shafts (312) are arranged in the second grooves (311), the rollers (33) are arranged on the supporting shafts (312), and the first springs (32) are fixedly arranged on two sides of the second grooves (311) and are abutted to the rollers (33).
4. A low voltage drawer switch cabinet according to claim 3, wherein: the entrance of dodging recess (14) is equipped with second stopper (15) to it is fixed through screw (7), first buffer assembly (4) are installed and are fixed at second stopper (15), first buffer assembly (4) are constituteed by supporting shoe (41), second spring (42), buffer block (43), supporting shoe (41) are equipped with blind hole (411), the both sides of blind hole (411) are equipped with spacing through-hole (412), the center of blind hole (411) is equipped with cylinder (413), buffer block (43) are equipped with two barbs (431) to set up in spacing through-hole (412), second spring (42) set up in cylinder (413) to butt buffer block (43), make buffer block (43) stretch out blind hole (411), make the top contact of barbs (431) and spacing through-hole (412).
5. The low voltage drawer switch cabinet of claim 4, wherein: the second buffer assembly (6) is composed of a movable plate (61) and a third spring (62), the movable plate (61) is provided with at least two third limiting blocks (611) and is arranged in a limiting groove (22), the shapes of the third limiting blocks (611) and the limiting groove (22) are T-shaped, a plurality of second counter bores (612) are formed in the top of the movable plate (61), movable through holes (613) are formed in the bottom of the movable plate (61) and are in contact with the rollers (33), and the third spring (62) is fixedly arranged in the first counter bores (24) and is abutted to the second counter bores (612) to enable the third limiting blocks (611) to be in contact with the bottoms of the limiting grooves (22).
6. The low voltage drawer switch cabinet of claim 5, wherein: the fixed subassembly (5) comprises electro-magnet (51), fourth spring (52), telescopic link (53), fixed block (54), electro-magnet (51) are installed and are fixed at first recess (26), telescopic link (53) are connected fixedly with fixed block (54), electro-magnet (51) are passed in telescopic link (53), telescopic link (53) are equipped with first backing ring (531), second backing ring (532), fourth spring (52) set up in telescopic link (53) to one end, first backing ring (531) of butt electro-magnet (51), make second backing ring (532) and the other end contact of electro-magnet (51), fixed block (54) retract to first recess (26), after electro-magnet (51) circular telegram, make telescopic link (53) activity, drive fixed block (54) stretch out first recess (26) to contact with fixed recess (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322312844.7U CN221042139U (en) | 2023-08-28 | 2023-08-28 | Low-voltage drawer type switch cabinet |
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Application Number | Priority Date | Filing Date | Title |
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CN202322312844.7U CN221042139U (en) | 2023-08-28 | 2023-08-28 | Low-voltage drawer type switch cabinet |
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CN221042139U true CN221042139U (en) | 2024-05-28 |
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CN202322312844.7U Active CN221042139U (en) | 2023-08-28 | 2023-08-28 | Low-voltage drawer type switch cabinet |
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CN (1) | CN221042139U (en) |
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2023
- 2023-08-28 CN CN202322312844.7U patent/CN221042139U/en active Active
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