CN221042140U

CN221042140U - Anti-falling device for drawer of low-voltage cabinet

Info

Publication number: CN221042140U
Application number: CN202322596384.5U
Authority: CN
Inventors: 余勇
Original assignee: Jiangsu Guanzhong Electric Co ltd
Current assignee: Jiangsu Guanzhong Electric Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-05-28
Anticipated expiration: 2033-09-25

Abstract

The utility model discloses a low-voltage cabinet drawer anti-falling device, which particularly relates to the technical field of low-voltage cabinets, and comprises a cabinet body, wherein a partition plate is arranged at the inner side of the cabinet body, a drawer is arranged at the top of the partition plate, sliding rails are symmetrically arranged at the top of the partition plate at the outer side of the drawer, and guide rails are symmetrically arranged at the inner side of the sliding rails at the outer side of the drawer; through fixed subassembly, can conveniently fix the swift connection between support one, support two and the drawer and split.

Description

Anti-falling device for drawer of low-voltage cabinet

Technical Field

The utility model relates to the technical field of low-voltage cabinets, in particular to a low-voltage cabinet drawer anti-falling device.

Background

The low-voltage cabinet is a low-voltage power distribution cabinet and is used for converting and configuring electric energy products, rated current of the low-voltage power distribution cabinet is alternating current (50 Hz), and a power distribution system with rated voltage of 380v is used as power for power, illumination and electric energy conversion and control of power distribution. The product has the characteristics of strong breaking capacity, good dynamic and thermal stability, flexible electric scheme, convenient combination, strong seriality and practicability, novel structure and the like. The cabinet body of the low-voltage power distribution cabinet is generally processed by thin steel plates, the functions of the product are generally only power distribution, and the interior of the product is generally only a plurality of circuit breakers, so that the low-voltage power distribution cabinet is a switch with a protection function. The low-voltage cabinet has the main functions of opening and closing, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting electric energy of the electric power system. The components in the low-voltage cabinet mainly comprise a breaker, a disconnecting switch, a load switch, an operating mechanism, a transformer, various protection devices and the like. The low-voltage power distribution cabinet needs to be maintained at intervals, and the maintenance of the low-voltage power distribution cabinet mainly ensures the normal and safe operation of the low-voltage power distribution cabinet. And carrying out overall inspection and maintenance on the low-voltage power distribution cabinet every year. Maintenance is accomplished with minimal outage time, typically one day in advance to determine the owner outage time.

When the drawer of the low-voltage cabinet is pulled outwards, the panel handle is required to be grasped by two hands and pulled backwards, when the drawer is about to be separated from the cabinet body, the middle position of the bottom of the drawer is required to be pulled in time, the drawer is moved out of the cabinet, and the traditional drawer of the low-voltage cabinet is pulled out easily and completely due to inertia, so that when the weight of the drawer is not estimated by a maintainer, the drawer is easy to fall to cause damage to components and damage to limbs of operators due to smashing, and the safety is relatively low.

Disclosure of utility model

The utility model aims to provide a low-voltage cabinet drawer anti-falling device so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a low-voltage cabinet drawer anti-drop device, includes the cabinet body, cabinet body inboard is equipped with the baffle, the baffle top is equipped with the drawer, the drawer outside is equipped with the slide rail in baffle top symmetry, the drawer outside is equipped with the guide rail in slide rail inboard symmetry, the drawer outside corresponds the position and all rotates and installs the runner, and the runner is located the slide rail inboard, the mounting groove with runner looks adaptation has been seted up to the guide rail lateral wall, the drawer outside is equipped with anti-drop mechanism, anti-drop mechanism includes support one, support two, support one and support two equal symmetry set up in drawer both sides, and support one and support two set gradually around, support one and support two are close to drawer one side both ends all and are connected with the fixed block, the fixed block bottom outside is equipped with the fixing base, and the fixing base passes through the bolt and is connected with the drawer dismantlement, be equipped with fixed subassembly in the fixed block.

Further, the anti-falling mechanism also comprises a fixing rod which is J-shaped, one end of the fixing rod is connected with a limit frame, one side of the support is embedded with a rotary column, one end of the rotary column penetrates through the inner side of the limit frame, one end of the rotary column is in threaded connection with a screw rod II on one side of the limit frame far away from the drawer, a stop rod II is sleeved on one side of the limit frame on the outer wall of the screw rod II, a rotating shaft is rotatably arranged on one side of the support, a clamping block is symmetrically arranged on the outer wall of one end of the rotating shaft, one end of the rotating shaft far away from the drawer is in threaded connection with a screw rod I, a stop rod I is sleeved on one side of the fixing rod on the outer wall of the screw rod I, a transmission groove matched with the combined structure of the rotating shaft and the clamping block is symmetrically arranged on the inner wall of the transmission groove, and lead to groove and fixture block and be vertical position distribution, the pivot other end is connected with the fixed plate in support two inboards, the pivot outside is equipped with torsional spring one in the cover between fixed plate and support two, and torsional spring one both ends respectively with support two and fixed plate fixed connection, baffle bottom symmetry has been seted up and is kept away from the fixed rail groove of support one end looks adaptation with the dead lever, through anti-falling mechanism, makes it can be when drawing out the drawer, can make dead lever one end cooperation fixed rail groove, realizes the position definition to the drawer, avoids leading to the drawer to take out completely because inertia to lead to the drawer to fall easily when the maintenance personal does not estimate the drawer weight and cause components and parts damage and smash the emergence of operating personnel's limbs situation.

Further, the fixed subassembly includes the regulation pole, the cavity has been seted up in the fixed block, adjust the pole setting in the cavity, and adjust the pole upper end and be connected with the handle in the fixed block top, adjust the pole outer wall and be equipped with baffle, spring and torsional spring two in the cavity endotheca, spring and torsional spring two are located the below and the top of baffle respectively, the both ends of torsional spring two respectively with baffle and regulation pole fixed connection, adjust the pole lower extreme and be connected with the gag lever post, the through-hole with regulation pole and gag lever post integrated configuration looks adaptation has been seted up to the fixing base bottom, the draw-in groove with gag lever post looks adaptation has been seted up to through the symmetry of through-hole inner wall, can conveniently be to connect fixedly and split between support one and the support two and the drawer swiftly through the fixed subassembly, convenient to use.

Furthermore, the first bracket and the second bracket are U-shaped, and the rotating shaft is rotatably connected with the second bracket through a bearing so as to support and limit the rotating shaft, but the rotation of the rotating shaft is not influenced.

Further, the first stop lever and the second stop lever are respectively and fixedly connected with the first screw rod and the second screw rod, the rotating shaft and the rotating column are respectively and spirally connected with the first screw rod and the second screw rod through nuts, and one ends, far away from the drawer, of the first screw rod and the second screw rod are respectively connected with a handle so as to drive the first stop lever and the second stop lever to synchronously rotate and move along with the first screw rod and the second screw rod.

Furthermore, the adjusting rod is rotationally connected with the baffle through a bearing, and two ends of the spring are fixedly connected with the baffle and the inner wall of the cavity respectively, so that the adjusting rod is connected with the baffle and can rotate at the same time.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the fixed rod is in an inclined state under the action of the rotating shaft, the fixed plate and the torsion spring, so that one end of the fixed rod far away from the bracket is inserted into the fixed rail groove, when the drawer is pulled out, one end of the fixed rod synchronously moves in the fixed rail groove, and meanwhile, the fixed rod is matched with the fixed rail groove to limit the position of the drawer, so that the situation that components are damaged and the limbs of operators are injured due to falling of the drawer easily caused when a maintainer does not estimate the weight of the drawer is avoided, the safety is improved, the limit frame is pushed upwards to move, and meanwhile, the fixed rod is driven to drive the rotating shaft to rotate, so that one end of the fixed rod positioned in the fixed rail groove is moved out, and the drawer can be pulled out, and the drawer is convenient to use;

2. The utility model can conveniently and rapidly connect, fix and split the first bracket, the second bracket and the drawer through the fixing component, and is convenient to use.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure between the drawer and the fixing lever of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

FIG. 5 is a schematic view of the structure between the fixing base and the fixing block of the present utility model;

FIG. 6 is a schematic view of the structure between the clamping slot and the fixing base;

FIG. 7 is a schematic view of the structure between the fixed rod, the limit frame, the rotating shaft and the rotating post;

In the figure: 1. a cabinet body; 2. a partition plate; 3. a slide rail; 4. a drawer; 5. a guide rail; 6. a rotating wheel; 7. a fixing seat; 8. a fixed block; 9. a first bracket; 10. a second bracket; 11. a fixed rod; 12. a rotating shaft; 13. a fixing plate; 14. a torsion spring I; 15. a first screw; 16. a stop lever I; 17. a limit frame; 18. a clamping block; 19. a rotating column; 20. a second screw; 21. a second stop lever; 22. an adjusting rod; 23. a baffle; 24. a spring; 25. a torsion spring II; 26. a limit rod; 27. a clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.

The utility model provides a low-voltage cabinet drawer anti-drop device as shown in fig. 1-7, including the cabinet body 1, cabinet body 1 inboard is equipped with baffle 2, baffle 2 top is equipped with drawer 4, drawer 4 outside is equipped with slide rail 3 in baffle 2 top symmetry, drawer 4 outside is equipped with guide rail 5 in slide rail 3 inboard symmetry, the corresponding position in drawer 4 outside is all rotated and is installed runner 6, and runner 6 is located slide rail 3 inboard, the mounting groove with runner 6 looks adaptation has been seted up to guide rail 5 lateral wall, drawer 4 outside is equipped with anti-drop mechanism, anti-drop mechanism includes support one 9, support two 10, support one 9 and support two 10 all symmetry set up in drawer 4 both sides, and support one 9 and support two 10 set gradually around being close to drawer 4 one side both ends all are connected with fixed block 8, the fixed block 8 bottom outside is equipped with fixing base 7, and fixing base 7 is connected with drawer 4 through the bolt detachably, be equipped with fixed subassembly in the fixed block 8.

In the example, the anti-falling mechanism further comprises a fixing rod 11, the fixing rod 11 is J-shaped, one end of the fixing rod 11 is connected with a limit frame 17, one side of a first bracket 9 is embedded with a rotating column 19, one end of the rotating column 19 penetrates through the inner side of the limit frame 17, one end of the rotating column 19 is in threaded connection with a second screw rod 20 on one side of the limit frame 17 away from the drawer 4, the outer wall of the second screw rod 20 is sleeved with a second stop lever 21 on one side of the limit frame 17, one side of the second bracket 10 is rotatably provided with a rotating shaft 12, the outer wall of one end of the rotating shaft 12 is symmetrically provided with a clamping block 18, one end of the rotating shaft 12 away from the drawer 4 is in threaded connection with a first screw rod 15, one side of the outer wall of the first screw rod 15 is sleeved with a first stop lever 16 on one side of the fixing rod 11, the side wall of the fixed rod 11 is provided with a transmission groove matched with the combined structure of the rotating shaft 12 and the clamping block 18, the inner wall of the transmission groove is symmetrically provided with a through groove matched with the first stop lever 16, the through groove and the clamping block 18 are distributed in a vertical position, the other end of the rotating shaft 12 is connected with the fixed plate 13 at the inner side of the second bracket 10, a torsion spring 14 is sleeved outside the rotating shaft 12 between the fixed plate 13 and the second bracket 10, two ends of the torsion spring 14 are respectively fixedly connected with the second bracket 10 and the fixed plate 13, the bottom of the baffle plate 2 is symmetrically provided with a fixed rail groove matched with one end of the fixed rod 11 far away from the first bracket 9, and the fixed rail groove is used for enabling the drawer 4 to be pulled out through a falling-preventing mechanism, one end of the fixing rod 11 can be matched with the fixing rail groove, so that the position of the drawer 4 is limited, the drawer 4 is prevented from being completely pulled out due to inertia, and the situation that components are damaged and limbs of operators are injured due to the fact that the drawer 4 falls down easily when maintenance staff does not estimate the weight of the drawer 4 is avoided. In the example, the fixing component comprises an adjusting rod 22, a cavity is arranged in a fixed block 8, the adjusting rod 22 is arranged in the cavity, a handle is connected above the fixed block 8 at the upper end of the adjusting rod 22, a baffle plate 23, a spring 24 and a torsion spring II 25 are sleeved in the cavity at the outer wall of the adjusting rod 22, the spring 24 and the torsion spring II 25 are respectively positioned below and above the baffle plate 23, two ends of the torsion spring II 25 are respectively fixedly connected with the baffle plate 23 and the adjusting rod 22, a limit rod 26 is connected at the lower end of the adjusting rod 22, a through hole matched with the combined structure of the adjusting rod 22 and the limit rod 26 is arranged at the bottom of a fixed seat 7, clamping grooves 27 matched with the limit rod 26 are symmetrically arranged at the inner wall of the through hole, through fixed subassembly, can be convenient to connect fixedly and split between support one 9 and support two 10 and the drawer 4, convenient to use. In this example, the first bracket 9 and the second bracket 10 are both U-shaped, and the rotating shaft 12 is rotatably connected with the second bracket 10 through a bearing, so as to support and limit the rotating shaft 12, but not affect the rotation thereof. In this example, the first stop lever 16 and the second stop lever 21 are fixedly connected with the first screw rod 15 and the second screw rod 20 respectively, the rotating shaft 12 and the rotating column 19 are in threaded connection with the first screw rod 15 and the second screw rod 20 respectively through nuts, and handles are connected to one ends of the first screw rod 15 and the second screw rod 20, which are far away from the drawer 4, so that the first stop lever 16 and the second stop lever 21 can be driven to synchronously rotate and move along with the first screw rod 15 and the second screw rod 20. In this example, the adjusting rod 22 is rotatably connected with the baffle 23 through a bearing, and two ends of the spring 24 are fixedly connected with the baffle 23 and the inner wall of the chamber respectively, so that the adjusting rod 22 and the baffle 23 are connected and the adjusting rod 22 can rotate at the same time.

The working principle of the utility model is as follows: when the drawer 4 is pulled out, the fixing rod 11 can be driven to synchronously move until the upper end of the fixing rod 11 hooks the fixing rail groove to be close to the inner wall of one side of the front face of the cabinet body 1, the position of the drawer 4 can be limited, the situation that components are damaged and limbs of operators are injured due to falling of the drawer 4 when a serviceman does not estimate the weight of the drawer 4 is avoided, the safety is improved, when the drawer 4 is required to be completely pulled out, only the limiting frame 17 is required to be pushed up to move under the limit of the rotating column 19, the limiting frame 17 drives the fixing rod 11 to synchronously rotate under the action of the clamping block 18 and the transmission groove, the rotating shaft 12 drives the fixing plate 13 to twist the torsion spring 14, the fixing rod 11 is positioned at one end of the fixing rail groove to be removed, and the drawer 4 can be completely pulled out after that; when the drawer 4 is installed in the cabinet body 1, the steps are repeated, so that the upper end of the fixing rod 11 moves below the partition plate 2, then the drawer 4 can be installed above the partition plate 2, the guide rail 5 and the rotating wheel 6 move into the inner side of the sliding rail 3, then the force applied to the limiting frame 17 can be released, the fixing plate 13 is reset and rotated under the action of torsion force of the torsion spring I14, the rotating shaft 12 can be driven to reset, the clamping block 18 drives the fixing rod 11 to reset, and the upper end of the fixing rod 11 is inserted into the fixing rail groove, so that the installation of the drawer 4 can be completed; when the first bracket 9, the second bracket 10 and the drawer 4 need to be disassembled, the handle is pushed down to drive the adjusting rod 22 to move downwards, the adjusting rod 22 drives the baffle plate 23 to move downwards and squeeze the spring 24, meanwhile, the limiting rod 26 moves out of the clamping groove 27, then the handle is rotated to drive the adjusting rod 22 to rotate, the torsion spring 25 is rotated to drive the limiting rod 26 to synchronously rotate, when the limiting rod 26 rotates to be vertical to the clamping groove 27, the handle is pulled up to drive the limiting rod 26 to move to the inner side of the fixed seat 7, then the bracket one 9 or the bracket two 10 can be pulled up to drive the connected fixed block 8 to move upwards, the bracket one 9 or the bracket two can be disassembled, and when the torsion spring is installed, the handle is pushed down to drive the adjusting rod 22 to drive the limiting rod 26 to rotate to be opposite to the position of the hole on the fixed block 8, then the handle is pushed down to drive the adjusting rod 22 to be reset, the limiting rod 26 corresponds to the clamping groove 27, then the force applied to the hand is released, the baffle plate 23 is reset under the elasticity of the spring 24, the limiting rod 26 is clamped into the clamping groove 27, the bracket two and the bracket one 9 and the bracket two 4 can be connected with the bracket one, the torsion spring 25 can be more convenient to fix the limiting rod 26, and the practical effect is improved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a low-voltage cabinet drawer anti-drop device, includes cabinet body (1), its characterized in that:

The cabinet body (1) is internally provided with a baffle (2), the top of the baffle (2) is provided with a drawer (4), the outside of the drawer (4) is symmetrically provided with a slide rail (3) at the top of the baffle (2), the outside of the drawer (4) is symmetrically provided with a guide rail (5) at the inner side of the slide rail (3), the corresponding positions at the outside of the drawer (4) are respectively provided with a rotating wheel (6), the rotating wheels (6) are positioned at the inner side of the slide rail (3), the side wall of the guide rail (5) is provided with an installation groove matched with the rotating wheels (6), the outside of the drawer (4) is provided with a falling prevention mechanism, the falling prevention mechanism comprises a first bracket (9) and a second bracket (10), the first bracket (9) and the second bracket (10) are symmetrically arranged on two sides of the drawer (4), the first bracket (9) and the second bracket (10) are sequentially arranged front and back, two ends of one side of the first bracket (9) and the second bracket (10) close to the drawer (4) are respectively connected with a fixed block (8), the outer side of the bottom of the fixed block (8) is provided with a fixed seat (7), the fixed seat (7) is detachably connected with the drawer (4) through bolts, a fixed component is arranged in the fixed block (8), the anti-falling mechanism further comprises a fixed rod (11), the fixed rod (11) is J-shaped, the utility model discloses a torsion spring fixing device, including support, fixed bolster, support, fixed bolster, screw rod, fixed bolster, pivot (11) one end is connected with spacing frame (17), support one (9) one side inlays and establishes installs rotating post (19), and rotating post (19) one end passes spacing frame (17) inboard, rotating post (19) one end has screw rod two (20) in spacing frame (17) one side threaded connection, screw rod two (20) outer wall in spacing frame (17) one side cover is equipped with pin two (21), pivot (12) are installed in support two (10) one side rotation, pivot (12) one end outer wall symmetry is equipped with fixture block (18), pivot (12) one end threaded connection of keeping away from drawer (4) has screw rod one (15), screw rod one (16) are equipped with in fixed bolster one side cover to screw rod (15) outer wall, the drive slot with pivot (12) and fixture block (18) integrated configuration looks adaptation is seted up to the wall symmetry of drive slot, and the logical slot and fixture block (18) looks adaptation are vertical position, pivot two (12) are distributed with fixture block (18) one end, the other end is equipped with torsional spring (13) one side is connected with between support two (13) and fixed bolster (13), and two ends of the torsion spring I (14) are fixedly connected with the bracket II (10) and the fixed plate (13) respectively, and fixed rail grooves matched with one end, far away from the bracket I (9), of the fixed rod (11) are symmetrically formed in the bottom of the partition plate (2).

2. The low-voltage cabinet drawer anti-falling device according to claim 1, wherein: the fixing assembly comprises an adjusting rod (22), a cavity is formed in the fixing block (8), the adjusting rod (22) is arranged in the cavity, a handle is connected to the upper end of the adjusting rod (22) above the fixing block (8), a baffle (23), a spring (24) and a torsion spring II (25) are sleeved on the outer wall of the adjusting rod (22) in the cavity, the spring (24) and the torsion spring II (25) are respectively located below and above the baffle (23), two ends of the torsion spring II (25) are respectively fixedly connected with the baffle (23) and the adjusting rod (22), a limiting rod (26) is connected to the lower end of the adjusting rod (22), a through hole matched with the combined structure of the adjusting rod (22) and the limiting rod (26) is formed in the bottom of the fixing seat (7), and clamping grooves (27) matched with the limiting rod (26) are symmetrically formed in the inner wall of the through hole.

3. The low-voltage cabinet drawer anti-falling device according to claim 2, wherein: the first bracket (9) and the second bracket (10) are U-shaped, and the rotating shaft (12) is rotationally connected with the second bracket (10) through a bearing.

4. The low-voltage cabinet drawer anti-falling device according to claim 2, wherein: the first stop lever (16) and the second stop lever (21) are fixedly connected with the first screw rod (15) and the second screw rod (20) respectively, the rotating shaft (12) and the rotating column (19) are connected with the first screw rod (15) and the second screw rod (20) through nuts respectively in a threaded mode, and one ends, far away from the drawer (4), of the first screw rod (15) and the second screw rod (20) are connected with handles.

5. A low-voltage cabinet drawer anti-drop device according to claim 3, wherein: the adjusting rod (22) is rotationally connected with the baffle plate (23) through a bearing, and two ends of the spring (24) are fixedly connected with the baffle plate (23) and the inner wall of the cavity respectively.