CN116937400A - Drawer cabinet safety structure for power distribution cabinet - Google Patents
Drawer cabinet safety structure for power distribution cabinet Download PDFInfo
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- CN116937400A CN116937400A CN202310865688.9A CN202310865688A CN116937400A CN 116937400 A CN116937400 A CN 116937400A CN 202310865688 A CN202310865688 A CN 202310865688A CN 116937400 A CN116937400 A CN 116937400A
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- drawer cabinet
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- 239000004020 conductor Substances 0.000 claims description 50
- 239000002184 metal Substances 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 11
- 239000011810 insulating material Substances 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drawers Of Furniture (AREA)
Abstract
The application relates to a drawer cabinet safety structure for a power distribution cabinet, which relates to the technical field of power distribution cabinets and comprises a cabinet body and a drawer cabinet, wherein a cavity for installing the drawer cabinet is arranged in the cabinet body, a limit guide rail is arranged on one vertical surface in the cavity, a limit block is arranged on one end of the limit guide rail, which is close to an opening of the cavity, the upper end of the limit block extends out of the top surface of the limit guide rail, a limit seat is arranged on one vertical side surface of the drawer cabinet, the limit seat comprises a poking piece and a clamping block which are integrally connected, the middle part of the poking piece is rotatably connected with the drawer cabinet, and the clamping block is arranged on the bottom surface of one end of the poking piece. The drawer cabinet has the effect that the drawer cabinet is not easy to be directly pulled out of the cabinet body.
Description
Technical Field
The application relates to the technical field of power distribution cabinets, in particular to a drawer cabinet safety structure for a power distribution cabinet.
Background
At present, a power distribution cabinet is a generic name of a motor control center. The power distribution cabinet is used in the occasions with dispersed load and less loops; the motor control center is used for occasions with concentrated load and more loops. They distribute the power of a circuit of the upper-level distribution equipment to nearby loads. This class of equipment should provide protection, monitoring and control of the load.
In the related art, the power distribution cabinet mainly comprises a cabinet body, drawer cabinets and electrical systems, wherein a plurality of chambers are arranged on the cabinet body, the drawer cabinets are provided with a plurality of pieces, each drawer cabinet is respectively arranged in each chamber, and the corresponding electrical systems are arranged in each drawer cabinet; wherein, because overhaul needs, the drawer cabinet need can be pulled out the cabinet body outward, and the drawer cabinet installs electrical system and can lead to whole weight heavier, for the drawer cabinet pull out and impel the cabinet body of being convenient for, can be provided with corresponding guide pulley structure in the cavity for the frictional force between drawer cabinet bottom surface and the cavity bottom surface reduces greatly, in order to reach the drawer cabinet of being convenient for and be taken out or impel the effect in the cabinet.
For the related art, the inventor finds that the drawer cabinet can reduce the friction force with the bottom surface of the cavity through the guide wheel, so that the drawer cabinet can be easily pushed, when the drawer cabinet is overhauled, the drawer cabinet is generally pulled out partially, so that the part of the drawer cabinet is still positioned in the cabinet body, in the process, if the pulling force is too large, the drawer cabinet can be completely separated from the cabinet body under the action of inertia, and if the maintainer cannot react in time, potential safety hazards and losses can be caused, so that improvement is needed.
Disclosure of Invention
The application aims to provide a drawer cabinet safety structure for a power distribution cabinet, which has the effect that the drawer cabinet is not easy to be directly pulled out of the cabinet body, so that the use safety of the drawer cabinet is effectively improved.
The application provides a drawer cabinet safety structure for a power distribution cabinet, which adopts the following technical scheme:
the drawer cabinet safety structure for the power distribution cabinet comprises a cabinet body and a drawer cabinet, wherein a cavity for installing the drawer cabinet is formed in the cabinet body, a limit guide rail is arranged on one vertical surface in the cavity, a limit block is arranged at one end, close to an opening of the cavity, of the limit guide rail, the upper end of the limit block extends out of the top surface of the limit guide rail, a limit seat is arranged on one vertical side surface of the drawer cabinet, the limit seat comprises a pulling piece and a clamping block which are connected into a whole, the middle part of the pulling piece is rotationally connected with the drawer cabinet, and the clamping block is arranged on the bottom surface of one end of the pulling piece;
when the drawer cabinet is installed in the cavity, the poking plate is located right above the limiting guide rail, the horizontal height of the bottom surface of the middle of the poking plate is higher than that of the upper end of the limiting block, the poking plate is located at one end, far away from the opening of the cavity, of the drawer cabinet, and the horizontal height of the lower end of the clamping block is lower than that of the upper end of the limiting block.
Through adopting above-mentioned technical scheme, when the drawer cabinet moved towards the cabinet body, can utilize spacing guide rail to hold the spacing seat, until the fixture block of spacing seat and stopper keep away from the lateral surface butt of cavity opening for the drawer cabinet can't continue to move towards the cabinet body directly, thereby avoid the drawer cabinet to break away from the cabinet body because of directly and lead to the condition emergence that the drawer cabinet dropped, effectively ensure the safe in utilization of drawer cabinet; when the limiting seat is in butt joint with the limiting block, the part of the shifting piece extending out of the limiting block is shifted downwards by a worker, so that the shifting piece can drive the clamping block to deflect upwards, the clamping relation between the limiting seat and the limiting block is relieved, the drawer cabinet can be pulled out of the cabinet body continuously, in addition, in the state, the shifting piece is required to be shifted all the time by the hand of the worker, namely the hand of the worker is close to the opening of the cavity, the bottom surface of the drawer cabinet can be directly dragged by the worker, and the use safety of the drawer cabinet is ensured.
Optionally, when the drawer cabinet is installed in the cavity, the upper surface of the limit rail is provided with a first conductor, the clamping block is abutted against the surface of the first conductor, a second conductor is installed in the cabinet, the length directions of the first conductor and the second conductor are the same as the length direction of the limit rail, an alarm is installed in the drawer cabinet, one electrode of the alarm is connected with the limit seat, and the other electrode of the alarm extends out of the drawer cabinet and can be in contact with the second conductor, and the first conductor and the second conductor are respectively connected with the positive electrode and the negative electrode of a power supply;
the surface of the limiting rail is arranged in an insulating mode, and when the drawer cabinet is installed in the cavity, the limiting seat is separated from the first conductor.
Through adopting above-mentioned technical scheme, when the drawer cabinet is towards the external in-process that removes of cabinet, utilize first electric conductor, the second electric conductor, alarm and power can constitute alarm system, and this alarm system can link with spacing seat for the drawer cabinet is pulled out the in-process of the cabinet body, and this alarm system can send out the warning, reminds the staff to pay attention to safety, and, when the drawer cabinet is pushed back in the cabinet body, if the drawer cabinet is not safely by the internal time of impelling the cabinet, this alarm system also can send out the warning, ensures the safety in utilization of switch board.
Optionally, a magnetic suction strip is installed in the upper side of the limit track, the magnetic suction strip extends along the length direction of the limit track, the first conductor is arranged as a metal round bar, the first conductor is installed in the upper side of the magnetic suction strip, a metal conductive wheel is arranged in the lower end of the clamping block, and a round of abdication groove which surrounds the axis circumference of the metal conductive wheel is arranged on the outer wall of the metal conductive wheel;
when the drawer cabinet is installed in the cavity, the upper part of the first conductor is attached to the abdication groove.
Through adopting above-mentioned technical scheme, utilize magnetism to inhale the strip and can adsorb the effect of fixed first electric conductor to, when spacing seat is located spacing guide rail top, utilize magnetism to inhale the strip and can apply decurrent magnetic attraction to the metal conductive wheel, make the metal conductive wheel can with the stable laminating of first electric conductor, ensure that spacing seat can be switched on with first electric conductor is stable.
Optionally, the upper side of the limiting block is provided with an inclined guide surface, the lower side of the inclined guide surface is connected with one side of the limiting block, which is close to the opening of the cavity, the upper side of the inclined guide surface is connected with the upper surface of the limiting block, and one side of the limiting block, which is far away from the opening of the cavity, is provided with an indent region;
the drawer cabinet is characterized in that the clamping block is arranged in an obtuse triangle shape, the top surface of the clamping block is fixedly connected with the top surface of the poking piece, and when the drawer cabinet is installed in the cavity, the sharp angle of the clamping block below is obliquely arranged towards the direction close to the opening of the cavity; when the drawer cabinet moves towards the outside of the cabinet body, the lower side of the clamping block can extend into the concave area.
Through adopting above-mentioned technical scheme, when the drawer cabinet is close to the cavity opening, utilize the slope guide surface on the stopper for the fixture block can remove along the slope guide surface of stopper, in order that the drawer cabinet passes through the cavity opening and installs into the cabinet body, and, utilize the cooperation between indent district and the stopper, when making the drawer cabinet be pulled out the cabinet body and spacing seat and stopper looks joint, the stopper is difficult for upwards jumping, ensures that spacing seat can be blocked by the stopper.
Optionally, rollers are arranged on two sides of the bottom surface of the cavity, the rollers are installed in the bottom of the cavity in a lifting manner, the upper side part of each roller extends to the upper part of the bottom surface of the cavity, a plurality of elastic reset mechanisms are arranged in the bottom of the cavity, and each elastic reset mechanism applies upward restoring force to each roller respectively;
the drawer cabinet is characterized in that an extension plate located under the limiting guide rail is arranged on the side face of the drawer cabinet, when the drawer cabinet is installed in the cavity, the upper surface of the extension plate is attached to the bottom face of the limiting guide rail, and at the moment, the idler wheels are extruded by the drawer cabinet and deflect downwards.
Through adopting above-mentioned technical scheme, when the drawer cabinet is installed in the cavity, the extension board is located spacing guide's under, and at this moment, the extension board can receive decurrent pressure to make the drawer cabinet can be stable lean on the gyro wheel, during that, utilize the cooperation between elasticity canceling release mechanical system and the gyro wheel, when making the gyro wheel receive great heavy pressure, the gyro wheel can the skew downwards, make the gyro wheel can produce reaction force to the drawer cabinet, thereby make spacing guide can with the gyro wheel cooperation in order to press from both sides tight drawer cabinet, make the difficult emergence vibration of drawer cabinet.
Optionally, the elastic reset mechanism comprises a mounting seat, a limit roller and a powerful spring, wherein the mounting seat is arranged in the bottom of the cavity, the limit roller is provided with two pieces, two limit rollers can be horizontally arranged in the mounting seat, two ends of two opposite side surfaces of the mounting seat are horizontally provided with movable grooves, the end parts of the limit roller penetrate through the movable grooves and are arranged outside the mounting seat, the powerful spring is provided with two pieces, the two powerful springs are respectively arranged outside two opposite side surfaces of the limit seat, and two ends of the two powerful springs are respectively connected with the parts of the two limit rollers extending out of the mounting seat;
the two opposite sides of the mounting seat are vertically provided with guide grooves, two ends of the rotating shaft of the roller penetrate through the two guide grooves respectively, the axes of the roller and the limiting rollers are parallel to each other, the roller is located right above the two limiting rollers, and the outer wall of the roller is in butt joint with the outer wall of the two limiting rollers.
Through adopting above-mentioned technical scheme, when the gyro wheel receives the heavy pressure and moves downwards, the gyro wheel can promote two spacing rollers towards opposite direction horizontal migration, and when two spacing rollers were towards opposite direction horizontal migration, powerful can receive stretching and warp, and at this moment, powerful spring can produce corresponding elastic restoring force to order about two spacing rollers towards opposite direction translation, thereby make two spacing rollers cooperation in order to produce the power of order about the gyro wheel upward movement.
Optionally, the roller is made of conductive metal, the roller is used as a second conductor, the mounting seat is made of insulating material, one side of the mounting seat is provided with a conductive sheet, the upper end of the conductive sheet is connected with an electrode of a power supply, and a rotating shaft of the roller is abutted against one side surface of the conductive sheet;
the bottom surface of the drawer cabinet is provided with a conductive plate which can be abutted with the surface of the roller, and the conductive plate is used as an electrode which extends to the outside of the drawer cabinet as a warning indicator.
By adopting the technical scheme, when the drawer cabinet is arranged in the cavity by utilizing the matching between the conductive sheet and the roller made of conductive metal, one electrode of the warning indicator can be connected with the second conductor.
Optionally, the roller comprises a conductive torch, a conductive post, a conductive wheel and a reset spring, wherein one end of the conductive torch is opened, the conductive wheel is arranged on the outer wall of one end of the conductive barrel, which is opened, the conductive wheel and the conductive barrel are integrally formed, one end of the conductive post is inserted into the conductive torch, the reset spring is arranged in the conductive barrel, and two ends of the reset spring are respectively abutted against the conductive barrel and the conductive post;
when the roller is arranged on the mounting seat, one end of the conductive column extending out of the conductive torch is attached to the conductive sheet.
Through adopting above-mentioned technical scheme, utilize the cooperation between conductive torch, conductive post and the reset spring, when the gyro wheel of being installs on the mount pad, the conductive post stretches out the outer one end of conductive torch and can keep laminating with the conducting strip, even the gyro wheel takes place to reciprocate, the conductive post also can keep stable contact with the conducting strip.
Optionally, the warning device is a light bar, and the light bar is installed on one side surface of the drawer cabinet;
when the drawer cabinet is installed in the cavity, the light bar is positioned on one side surface of the drawer cabinet, which is close to the opening of the cavity.
Through adopting above-mentioned technical scheme for when the attention device frock, can take place bright on the side of drawer cabinet, the warning effect is better.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the drawer cabinet cannot be directly translated and pulled out of the cabinet body, and when the drawer cabinet needs to be completely pulled out of the cabinet body, at least one hand of a worker needs to be close to the opening of the cavity, so that the worker can conveniently hold the bottom surface of the drawer cabinet, and the use safety of the drawer cabinet is effectively ensured;
2. the drawer cabinet can give out warning when being pulled out and installed, can provide light rays, and can also be used for a user to judge the effect of pushing the cabinet body;
3. the structure for limiting the drawer cabinet not to be directly pulled out of the cabinet body by translation is combined and linked with the structure for warning safety, so that the use safety is further ensured.
Drawings
FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present application;
FIG. 2 is a schematic diagram of the installation of the drawer cabinet of embodiment 1 of the present application;
FIG. 3 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 4 is a partially enlarged schematic illustration of portion B of FIG. 1;
FIG. 5 is a schematic diagram of the arrangement of the warning system according to embodiment 2 of the present application;
fig. 6 is a schematic structural diagram of a drawer cabinet in embodiment 2 of the present application;
FIG. 7 is a schematic diagram showing the cooperation between the first conductive body and the metal conductive wheel according to embodiment 2 of the present application;
FIG. 8 is a schematic view of the elastic restoring mechanism according to embodiment 2 of the present application;
FIG. 9 is a schematic view of a roller according to embodiment 2 of the present application
In the figure, 1, a cabinet body; 11. a chamber; 2. a drawer cabinet; 21. a conductive plate; 22. an extension plate; 3. a spacing guide rail; 31. a limiting block; 311. a sloped guide surface; 312. a concave region; 32. a magnetic strip; 4. a limit seat; 41. a pulling piece; 42. a clamping block; 421. a metal conductive wheel; 5. a roller; 51. a conductive torch; 52. a conductive post; 53. a conductive wheel; 54. a return spring; 6. a first conductor; 7. an alarm; 8. a power supply; 9. an elastic reset mechanism; 91. a mounting base; 911. a movable groove; 912. a guide groove; 92. a limit roller; 93. a strong spring; 94. and a conductive sheet.
Detailed Description
The present application will be described in further detail with reference to fig. 1 to 9.
Example 1:
a drawer cabinet safety structure for a power distribution cabinet, referring to fig. 1 and 2, comprises a cabinet body 1 and a drawer cabinet 2; wherein, a plurality of chambers 11 are arranged in the cabinet body 1 along the vertical direction, a plurality of drawer cabinets 2 are respectively arranged, and each drawer cabinet 2 is respectively arranged in each chamber 11; wherein, be provided with safety structure (not shown in fig. 1) between cavity 11 and drawer cabinet 2, this safety structure is used for preventing drawer cabinet 2 can be pulled out cavity 11 by direct translation, all is provided with gyro wheel 5 in four corners departments of cavity 11 bottom, when drawer cabinet 2 installs in cavity 11, drawer cabinet 2 takes on each gyro wheel 5.
Referring to fig. 2, the safety structure includes a limit rail 3 and a limit seat 4, wherein the limit rail 3 is horizontally installed on one side of the cavity 11, the limit seat 4 is installed on one side of the drawer cabinet 2, and when the drawer cabinet 2 is installed in the cavity 11, the limit seat 4 is located directly above the limit rail 3, and when the drawer cabinet 2 is drawn out or pushed into the cavity 11, the limit seat 4 moves along the length direction of the limit rail 3.
It should be noted that, referring to fig. 3, a limiting block 31 is disposed at an end of the limiting rail 3 near the opening of the cavity 11, and an upper end of the limiting block 31 extends out of the top surface of the limiting rail 3, when the drawer cabinet 2 moves towards the outside of the cabinet body 1 until the limiting seat 4 abuts against a side of the limiting block 31 away from the opening of the cavity 11, the limiting seat 4 can be blocked by the limiting block 31, so that the drawer cabinet 2 cannot be pulled out of the cabinet body 1 continuously.
Referring to fig. 4, the limiting seat 4 includes a pulling piece 41 and a clamping block 42 which are integrally connected, the middle part of the pulling piece 41 is rotatably connected with the drawer cabinet 2 through a rotating shaft, and the clamping block 42 is arranged on the bottom surface of one end of the pulling piece 41; when the drawer cabinet 2 is installed in the cavity 11, the pulling piece 41 is located at one end of the drawer cabinet 2 far away from the opening of the cavity 11, the pulling piece 41 is in a state of being close to the horizontal state, and the horizontal height of the bottom surface of the middle of the pulling piece 41 is higher than the horizontal height of the upper end of the limiting block 31, and at the moment, the horizontal height of the lower end of the clamping block 42 is lower than the horizontal height of the upper end of the limiting block 31.
Referring to fig. 4, the upper side of the stopper 31 extends out of the upper surface of the stopper rail 3, an inclined guide surface 311 is provided on the upper side of the stopper 31, the lower side of the inclined guide surface 311 is in contact with a side surface of the stopper 31 near the opening of the chamber 11, and the upper side of the inclined guide surface 311 is in contact with the upper surface of the stopper 31; wherein, fixture block 42 is obtuse triangle shape setting, and the top surface of fixture block 42 and the top surface fixed connection of plectrum 41, when drawer cabinet 2 installs in cavity 11, the closed angle that fixture block 42 is located the below sets up towards being close to cavity 11 open-ended direction slope, is provided with indent district 312 in the one side that cavity 11 open-ended was kept away from to stopper 31, when drawer cabinet 2 moved outward towards cabinet body 1, the downside of fixture block 42 can stretch into in indent district 312.
The implementation principle of the embodiment of the application is as follows:
when the drawer cabinet 2 moves towards the outside of the cabinet body 1, the clamping block 42 on the limiting seat 4 is abutted against one side surface of the limiting block 31 away from the opening of the cavity 11, so that the drawer cabinet 2 cannot continuously move towards the outside of the cabinet body 1, the condition that the drawer cabinet 2 falls down due to the fact that the drawer cabinet 2 is directly separated from the cabinet body 1 is avoided, and the use safety of the drawer cabinet 2 is effectively ensured; when the limiting seat 4 is abutted against the limiting block 31, the part of the pulling piece 41 extending out of the limiting block 31 is pulled downwards by a worker, so that the pulling piece 41 can drive the clamping block 42 to deflect upwards, the clamping relationship between the limiting seat 4 and the limiting block 31 is released, the drawer cabinet 2 can be pulled out of the cabinet body 1 continuously, in addition, in the state, the pulling piece 41 is required to be pulled all the time by the hand of the worker, namely, the hand of the worker is close to the opening of the cavity 11, the bottom surface of the drawer cabinet 2 can be directly pulled by the worker, and the use safety of the drawer cabinet 2 is ensured.
Example 2:
referring to fig. 5, the embodiment of the present application is different from embodiment 1 in that a warning system is provided between the chamber 11 and the drawer cabinet 2, and the warning system is used to warn the drawer cabinet 2 to move and return safely during the movement of the drawer cabinet 2.
The warning system consists of a first conductor 6, a second conductor, a warning device 7 and a power supply 8, wherein the power supply 8 is arranged in the cabinet body 1, the warning device 7 is arranged on the drawer cabinet 2, the surface of a limit rail is arranged in an insulating manner, the first conductor 6 is arranged on the limit guide rail 3, and the second conductor is arranged in the bottom of the cavity 11; the positive electrode and the negative electrode of the power supply 8 are respectively connected with the first conductor 6 and the second conductor, and the two electrodes of the alarm 7 are respectively connected with the surface extending to the drawer cabinet 2, when the drawer cabinet 2 is installed in the cavity 11 and the drawer cabinet 2 is not completely installed in place, the two electrodes of the alarm 7 can be respectively connected with the first conductor 6 and the second conductor, so that the alarm 7 can continuously give out an alarm; when the drawer cabinet 2 is completely removed from the chamber 11 or the drawer cabinet 2 is completely installed in the chamber 11, the alarm 7 has at least one electrode separated from the first electrical conductor 6.
Referring to fig. 5 and 6, the alarm 7 is configured as a light bar, which is mounted on one side of the drawer cabinet 2, and is located on one side of the drawer cabinet 2 near the opening of the chamber 11 when the drawer cabinet 2 is mounted in the chamber 11; in the application, the limit seat 4 is made of conductive metal, one electrode of the alarm 7 is fixedly connected with the rotating shaft of the limit seat 4, a conductive plate 21 made of conductive metal is arranged on the bottom surface of the drawer cabinet 2, the length direction of the conductive plate 21 is the same as the length direction of the limit guide rail 3, and the other electrode of the alarm 7 is fixedly connected with the conductive plate 21.
Wherein, when drawer cabinet 2 installs in cavity 11, the limiting plate can be with being located the first electric conductor 6 contact on the spacing track, and electric plate 21 can be connected with the second electric conductor that is located the cavity 11 bottom to make power 8 and alarm 7 realize the electricity and be connected, make alarm 7 can continuously send the warning.
Referring to fig. 7, a magnetic strip 32 is fixedly installed in the upper side of the limit rail, the magnetic strip 32 extends along the length direction of the limit rail, and a positioning groove (not shown) is provided on the upper surface of the magnetic strip 32; the first conductor 6 is arranged as a metal round bar, the first conductor 6 is installed in the positioning groove, and when the first conductor 6 is installed in the positioning groove, the upper side of the first conductor 6 can extend out of the upper surface of the limit guide rail 3; wherein, be provided with metal conductive wheel 421 in the lower extreme of fixture block 42, be provided with on the outer wall of metal conductive wheel 421 and encircle the axis circumference of metal conductive wheel 421 and set up the groove of stepping down of round, when drawer cabinet 2 installs in cavity 11, the upper portion of first electric conductor 6 can laminate with the groove of stepping down.
Referring to fig. 5 and 6, in an embodiment of the present application, one of the rollers 5 near the opening of the chamber 11 is made of conductive metal, and the roller 5 is used as a second electrical conductor; the roller 5 is arranged in the bottom of the chamber 11 in a lifting manner, and the upper side part of the roller 5 extends to the upper part of the bottom surface of the chamber 11; wherein, be provided with the extension board 22 that is located spacing guide rail 3 under on the side of drawer cabinet 2, when drawer cabinet 2 installs in cavity 11, the upper surface of extension board 22 laminating with the bottom surface of spacing guide rail 3, at this moment, gyro wheel 5 receives drawer cabinet 2 to guarantee that gyro wheel 5 can laminate with current conducting plate 21.
Referring to fig. 8, an elastic reset mechanism 9 is disposed in the bottom of the chamber 11, the elastic reset mechanism 9 is used for applying an upward restoring force to the roller 5, the elastic reset mechanism 9 includes a mounting seat 91, a limit roller 92, a strong spring 93 and a conductive sheet 94, the mounting seat 91 is made of an insulating material, the mounting seat 91 is mounted in the bottom of the chamber 11, the limit roller 92 is provided with two pieces, the two limit rollers 92 are both translatably mounted in the mounting seat 91, the strong spring 93 is provided with two pieces, the two strong springs 93 are respectively disposed outside two opposite sides of the limit seat 4, the strong spring 93 is used for driving the two limit rollers 92 to translate towards opposite directions, the conductive sheet 94 is disposed in an L shape, one end of the conductive sheet 94 is fixedly connected with one side of the mounting seat 91, and the other end of the conductive sheet 94 is fixedly connected with an electrode of the power supply 8; the roller 5 is installed on the upper end of the installation seat 91 in a lifting manner, the balls of the roller 5 are abutted against the side surfaces of the conductive sheets 94, the axes of the roller 5 and the limiting rollers 92 are parallel to each other, and the roller 5 is located right above the two limiting rollers 92, so that the outer wall of the roller 5 is attached to the outer walls of the two limiting rollers 92, and when the distance between the two strong springs 93 is minimum, the roller 5 is located at the highest point of the installation seat 91.
Wherein, two ends of two opposite sides of the mounting seat 91 are horizontally provided with movable grooves 911, the end parts of the limiting rollers 92 penetrate through the outside of the mounting seat 91 through the movable grooves 911, and two ends of the strong springs 93 are respectively connected with the parts of the two limiting rollers 92 extending out of the mounting seat 91; guide grooves 912 are vertically formed in two opposite side surfaces of the mounting seat 91, two ends of a rotating shaft of the roller 5 respectively penetrate through the two guide grooves 912, and the rotating shaft of the roller 5 abuts against the side surfaces of the conductive sheet 94.
Referring to fig. 9, the roller 5 includes a conductive torch 51, a conductive post 52, a conductive wheel 53, and a return spring 54; wherein, one end of the conductive cylinder 51 is opened, the conductive wheel 53 is arranged on the outer wall of one end of the conductive cylinder which is opened, the conductive wheel 53 and the conductive cylinder 51 are integrally formed, one end of the conductive column 52 is inserted into the conductive cylinder 51, the reset spring 54 is arranged in the conductive cylinder 51, and two ends of the reset spring 54 are respectively abutted against the conductive cylinder 51 and the conductive column 52; when the roller 5 is mounted on the mounting seat 91, one end of the conductive post 52 extending out of the conductive tube 51 is attached to the conductive sheet 94.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (9)
1. The utility model provides a drawer cabinet safety structure for switch board, includes cabinet body (1) and drawer cabinet (2), have cavity (11) that supply drawer cabinet (2) to install in cabinet body (1), a serial communication port, all be provided with spacing guide (3) on one of them vertical face in cavity (11), spacing guide (3) are close to cavity (11) open-ended one end on be provided with stopper (31), the top of stopper (31) stretches out outside the top surface of spacing guide (3), be provided with spacing seat (4) on one of them vertical side of drawer cabinet (2), spacing seat (4) are including connecting plectrum (41) and fixture block (42) as an organic whole, the middle part and the drawer cabinet (2) rotation of plectrum (41) are connected, fixture block (42) set up on the bottom surface of one of them one end of plectrum (41);
when drawer cabinet (2) is installed in cavity (11), plectrum (41) are located spacing guide rail (3) directly over, just the level of plectrum (41) middle part bottom surface is higher than the level of stopper (31) upper end, plectrum (41) are located drawer cabinet (2) and keep away from cavity (11) open-ended one end, just the level of fixture block (42) lower extreme is less than the level of stopper (31) upper end.
2. The drawer cabinet safety structure for the power distribution cabinet according to claim 1, wherein the limit seat (4) is made of conductive metal, when the drawer cabinet (2) is installed in the cavity (11), a first conductor (6) is arranged on the upper surface of the limit track, the clamping block (42) is abutted against the surface of the first conductor (6), a second conductor is installed in the cabinet body (1), the length directions of the first conductor (6) and the second conductor are the same as the length direction of the limit guide rail (3), a warning indicator (7) is installed in the drawer cabinet (2), one electrode of the warning indicator (7) is connected with the limit seat (4), the other electrode of the warning indicator (7) extends out of the drawer cabinet (2) and can be contacted with the second conductor, and the first conductor (6) and the second conductor are respectively connected with the positive electrode and the negative electrode of a power supply (8);
the surface of the limiting rail is arranged in an insulating mode, and when the drawer cabinet (2) is installed in the cavity (11), the limiting seat (4) is separated from the first conductor (6).
3. The drawer cabinet safety structure for the power distribution cabinet according to claim 2, wherein a magnetic attraction strip (32) is installed in the upper side of the limit track, the magnetic attraction strip (32) extends along the length direction of the limit track, the first electric conductor (6) is arranged as a metal round rod, the first electric conductor (6) is installed in the upper side of the magnetic attraction strip (32), a metal conductive wheel (421) is arranged in the lower end of the clamping block (42), and a circle of abdication groove which surrounds the axis of the metal conductive wheel (421) is circumferentially arranged on the outer wall of the metal conductive wheel (421);
when the drawer cabinet (2) is installed in the cavity (11), the upper part of the first conductor (6) is attached to the abdication groove.
4. A drawer cabinet safety structure for a power distribution cabinet according to claim 3, wherein the upper side of the limiting block (31) is provided with an inclined guide surface (311), the lower side of the inclined guide surface (311) is connected with one side of the limiting block (31) close to the opening of the chamber (11), the upper side of the inclined guide surface (311) is connected with the upper surface of the limiting block (31), and one side of the limiting block (31) far from the opening of the chamber (11) is provided with a concave area (312);
the clamping blocks (42) are arranged in an obtuse triangle shape, the top surfaces of the clamping blocks (42) are fixedly connected with the top surfaces of the poking sheets (41), and when the drawer cabinet (2) is installed in the cavity (11), sharp angles of the clamping blocks (42) below are obliquely arranged towards the direction close to the opening of the cavity (11); when the drawer cabinet (2) moves towards the outside of the cabinet body (1), the lower side of the clamping block (42) can extend into the concave area (312).
5. The drawer cabinet safety structure for the power distribution cabinet according to claim 2, wherein rollers (5) are arranged on two sides of the bottom surface of the chamber (11), the rollers (5) are installed in the bottom of the chamber (11) in a lifting mode, the upper side portions of the rollers (5) extend to the position above the bottom surface of the chamber (11), a plurality of elastic reset mechanisms (9) are arranged in the bottom of the chamber (11), and each elastic reset mechanism (9) applies upward restoring force to each roller (5);
wherein, be provided with extension board (22) under limit rail (3) on the side of drawer cabinet (2), when drawer cabinet (2) are installed in cavity (11), the upper surface of extension board (22) is laminated with the bottom surface of limit rail (3), and at this moment, gyro wheel (5) receive the extrusion of drawer cabinet (2) and skew downwards.
6. The drawer cabinet safety structure for the power distribution cabinet according to claim 5, wherein the elastic reset mechanism (9) comprises a mounting seat (91), a limit roller (92) and a powerful spring (93), the mounting seat (91) is mounted in the bottom of the cavity (11), the limit roller (92) is provided with two pieces, the two limit rollers (92) are mounted in the mounting seat (91) in a translatable manner, movable grooves (911) are horizontally formed in two ends of two opposite side surfaces of the mounting seat (91), the end parts of the limit roller (92) penetrate through the movable grooves (911) and are arranged outside the mounting seat (91), the powerful spring (93) is provided with two pieces, the two powerful springs (93) are respectively arranged outside two opposite sides of the limit seat (4), and two ends of the powerful spring (93) are respectively connected with the parts, extending out of the mounting seat (91), of the two limit rollers (92);
wherein, guide slots (912) are vertically arranged on two opposite sides of the mounting seat (91), two guide slots (912) are respectively penetrated at two ends of a rotating shaft of the roller (5), the axes of the roller (5) and the limiting rollers (92) are mutually parallel, the roller (5) is positioned right above the two limiting rollers (92), and the outer wall of the roller (5) is in butt joint with the outer walls of the two limiting rollers (92).
7. The drawer cabinet safety structure for the power distribution cabinet according to claim 6, wherein the roller (5) is made of conductive metal, the roller (5) is used as a second electric conductor, the mounting seat (91) is made of insulating material, one side of the mounting seat (91) is provided with a conductive sheet (94), the upper end of the conductive sheet (94) is connected with an electrode of the power supply (8), and the rotating shaft of the roller (5) is abutted against one side surface of the conductive sheet (94);
the bottom surface of the drawer cabinet (2) is provided with a conductive plate (21) which can be abutted against the surface of the roller (5), and the conductive plate (21) is used as an electrode which extends out of the drawer cabinet (2) as a warning indicator (7).
8. The drawer cabinet safety structure for the power distribution cabinet according to claim 7, wherein the roller (5) comprises a conductive barrel (51), a conductive post (52), a conductive wheel (53) and a return spring (54), one end of the conductive barrel (51) is arranged in an opening manner, the conductive wheel (53) is arranged on the outer wall of one end of the conductive barrel, which is arranged in the opening manner, the conductive wheel (53) and the conductive barrel (51) are integrally formed, one end of the conductive post (52) is inserted into the conductive barrel (51), the return spring (54) is installed in the conductive barrel (51), and two ends of the return spring (54) are respectively abutted against the conductive barrel (51) and the conductive post (52);
when the roller (5) is mounted on the mounting seat (91), one end of the conductive column (52) extending out of the conductive tube (51) is attached to the conductive sheet (94).
9. A drawer cabinet safety structure for a power distribution cabinet according to claim 2, characterized in that the warning indicator (7) is provided as a light bar, which is mounted on one of the sides of the drawer cabinet (2);
when the drawer cabinet (2) is installed in the cavity (11), the light bar is positioned on one side surface of the drawer cabinet (2) close to the opening of the cavity (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310865688.9A CN116937400A (en) | 2023-07-14 | 2023-07-14 | Drawer cabinet safety structure for power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310865688.9A CN116937400A (en) | 2023-07-14 | 2023-07-14 | Drawer cabinet safety structure for power distribution cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN116937400A true CN116937400A (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310865688.9A Pending CN116937400A (en) | 2023-07-14 | 2023-07-14 | Drawer cabinet safety structure for power distribution cabinet |
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| Country | Link |
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| CN (1) | CN116937400A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117748322A (en) * | 2023-11-29 | 2024-03-22 | 江苏国控电力设备有限公司 | Multi-layer drawing type electrical control cabinet |
-
2023
- 2023-07-14 CN CN202310865688.9A patent/CN116937400A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117748322A (en) * | 2023-11-29 | 2024-03-22 | 江苏国控电力设备有限公司 | Multi-layer drawing type electrical control cabinet |
| CN117748322B (en) * | 2023-11-29 | 2024-05-10 | 江苏国控电力设备有限公司 | Multi-layer drawing type electrical control cabinet |
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