CN209929832U - Anti-falling device of drawer unit of low-voltage complete switch equipment - Google Patents
Anti-falling device of drawer unit of low-voltage complete switch equipment Download PDFInfo
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- CN209929832U CN209929832U CN201920280435.4U CN201920280435U CN209929832U CN 209929832 U CN209929832 U CN 209929832U CN 201920280435 U CN201920280435 U CN 201920280435U CN 209929832 U CN209929832 U CN 209929832U
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- drawer unit
- guide rail
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Abstract
An anti-falling device of a drawer unit of a low-voltage switchgear assembly is characterized in that the drawer unit is supported on a drawer supporting plate, inner guide rails are arranged on two sides of the drawer unit, and clamping plates are arranged at the rear ends of the inner guide rails; the two sides of the drawer supporting plate are provided with an outer guide rail and a limiting lock catch, a limiting mechanism is arranged between the outer guide rail and the drawer supporting plate, and the front part of the outer guide rail is provided with a stop block; the drawer supporting plate is arranged between the outer guide rails on the two sides of the drawer supporting plate through the inner guide rails on the two sides. The drawer unit can slide outwards through the matching of the inner guide rail and the outer guide rail. The device has changed the guide rail device of current drawer unit in service behavior, increases its anti-drop function on keeping the basis of drawer unit function, and the drawer unit leaves the cabinet body and need not the operation personnel to hold in the palm in the twinkling of an eye, and this device can support the drawer unit of taking out the state in addition, makes the drawer unit keep unsettled under the condition with cabinet body separation, makes things convenient for the operation personnel to carry out simple inspection and maintenance to the drawer unit.
Description
Technical Field
The utility model relates to a device that is used for low pressure complete sets drawer unit to have an anti-drop function.
Background
The low-voltage switchgear assembly usually adopts a drawer unit design, and the structure of the low-voltage switchgear assembly is shown in fig. 1, wherein a drawer unit 2 is arranged in a cabinet body 1, and the drawer unit 2 is supported by a drawer supporting plate 3 fixed on the cabinet body 1. The drawer type low-voltage complete switch equipment is characterized in that: the universal degree is high, the interchangeability is strong, and the drawer unit 2 can be pulled out of the cabinet body 1 for maintenance. But also have the shortcoming, because drawer unit 2 weight is great, when taking out drawer unit 2 from cabinet body 1 and overhauing, drawer unit 2 falls by the action of gravity in the twinkling of an eye from drawer layer board 3, and the operating personnel does not have sufficient reaction time and strength and upwards holds drawer unit 2, causes easily to colliding with of other drawer unit panels in the below.
Chinese patent document CN203722108U discloses a drawer unit for a low-voltage draw-out type switch cabinet, which comprises a frame body, wherein a module height corresponding to the frame body is composed of two half drawer units, a switch mounting plate is arranged in the frame body, a push interlocking device and a secondary movable plug-in component precession device are also arranged in the frame body, the push interlocking device is arranged in the middle of the frame body, the secondary movable plug-in component precession device is arranged on the right side of the frame body, and a primary movable plug-in component capable of forming a power distribution loop with the drawer unit of the frame body is also arranged at the rear part of the frame body.
The drawer unit only reduces the insertion force of the existing movable plug-in unit, so that the drawer unit is easier to move, the safety and the reliability are improved, and the maintenance is convenient. However, the problem that the drawer unit is easily detached when pulled out is not solved.
CN102035147A discloses a novel low-voltage cabinet drawer dropout prevention means, including preventing falling piece and guide rail, prevent falling the piece and pass through the intermediate position department of bolt fastening at the outer face of drawer left side board, prevent falling the piece and can rotate around the bolt, prevent falling the front end of piece and be equipped with inside spacing cylinder, its rear end is equipped with decurrent couple, the front end of guide rail is equipped with ascending spacing lug, the position department that is located the bolt the place ahead on the drawer left side board is opened has spacing round hole, when the drawer is located the drawer compartment, spacing cylinder upwarp butt in the downthehole top of spacing round hole, the couple flagging overlap joint is at the top of guide rail simultaneously, when the drawer outwards slides to its intermediate position and exposes the drawer compartment, spacing lug can be hooked in the couple, when pressing down the downthehole bottom of spacing cylinder to spacing round hole at this moment, the couple can break away from spacing lug.
Above-mentioned dropout prevention means when making the couple break away from spacing lug, need manual bottom in spacing cylinder to spacing round hole of pushing down, this just makes personnel not only to move the drawer unit, and the spacing cylinder of pushing down again, and the operation is inconvenient, has the danger that the drawer unit drops.
Disclosure of Invention
The utility model discloses to not enough of current low pressure switchgear drawer unit existence, provide a convenient to use, can be reliable anti-drop's anti-drop device of low pressure switchgear drawer unit.
The utility model discloses an anti-drop device of low pressure complete sets switchgear drawer unit adopts following technical scheme:
according to the anti-falling device, the drawer unit is supported on the drawer supporting plate, the inner guide rails are arranged on two sides of the drawer unit, and the clamping plate is arranged at the rear end of each inner guide rail; the two sides of the drawer supporting plate are provided with an outer guide rail and a limiting lock catch, a limiting mechanism is arranged between the outer guide rail and the drawer supporting plate, and the front part of the outer guide rail is provided with a stop block; the drawer unit is arranged between the outer guide rails on the two sides of the drawer supporting plate through the inner guide rails on the two sides. The drawer unit can slide outwards through the matching of the inner guide rail and the sliding outer guide rail.
The limiting mechanism is characterized in that a limiting groove is formed in the drawer supporting plate, a fixing column is arranged on the sliding outer guide rail, and the fixing column extends into the limiting groove. The sliding outer guide rail can only slide in the length of the limiting groove through the fixing column.
The limiting lock catch comprises a lifting plate and a limiting plate, the lifting plate is mounted on the drawer supporting plate through a rotating shaft, and the limiting plate is connected to the lifting plate and provided with an inclined plane. The lifting plate is provided with a limiting groove, a limiting post is arranged in the limiting groove, and the limiting post is fixedly arranged on the drawer supporting plate. Can rotate around the rotating shaft, and the limit of the rotation angle of the lifting plate is realized by the limit groove and the limit column.
When the drawer unit is pushed in, the limiting lock catch is lifted under the action of the outer guide rail, and the drawer unit can slide outwards through the matching of the inner guide rail and the outer guide rail. After the drawer unit is drawn out, the limiting lock catch falls down to prevent the outer guide rail from sliding inwards, and the limiting mechanism prevents the outer guide rail from sliding outwards. The clamping plate on the inner guide rail is contacted with the stop block on the outer guide rail to stop the inner guide rail from slipping outwards. When the drawer unit is to be separated from the cabinet body, the drawer unit is slightly lifted upwards, the drawer supporting plate does not block the clamping plate on the inner guide rail any more, and the drawer unit can be moved out. When the drawer unit is pushed in, the inner guide rail slides inwards along the outer guide rail, the clamping plate pushes up the limiting lock catch upwards, the limiting lock catch does not block the outer guide rail any more, the outer guide rail slides inwards along with the inner guide rail, and the drawer unit is pushed in.
The utility model discloses changed the guide rail device of current drawer unit behaviour in use, increased its anti-drop function on the basis of keeping drawer unit function, the drawer unit leaves the cabinet body and need not the operation personnel in the twinkling of an eye and goes up the support, and the drawer unit of taking out the state can be supported to this device in addition, makes drawer unit keep unsettled under the condition not with cabinet body separation, makes things convenient for the operation personnel to carry out simple inspection maintenance to drawer unit.
Drawings
Fig. 1 is a schematic structural diagram of a drawer unit of a low-voltage switchgear assembly.
Fig. 2 is a schematic structural view of the anti-falling device of the drawer unit of the low-voltage switchgear assembly of the present invention.
Fig. 3 is a side view of fig. 2.
Fig. 4 is a schematic view of the inner rail in the utility model.
Fig. 5 is a side view of fig. 4.
Fig. 6 is a schematic structural diagram of the middle limit lock catch 6 of the present invention.
Fig. 7 is a schematic view showing a state where the restraining latch falls down when the drawer unit is drawn out.
In the figure: 1. the novel drawer comprises a cabinet body, 2 drawer units, 3 drawer supporting plates, 4 inner guide rails, 5 outer guide rails, 6 limiting lock catches, 7 long waist holes, 8 fixing columns, 9 clamping plates, 10 stop blocks, 11 lifting plates, 12 limiting plates, 13 rotating shafts, 14 limiting columns, 15 limiting grooves and 16 inclined planes.
Detailed Description
As shown in fig. 2 and 3, the anti-dropping device of the drawer unit of the low-voltage switchgear assembly of the present invention is characterized in that the inner guide rail 4 is fixedly installed on both sides of the drawer unit 2 by bolts, the clamping plate 9 is arranged at the rear end of the inner guide rail 4, and the rear portion of the clamping plate 9 is provided with an inclined plane. The drawer unit 2 is supported on a drawer supporting plate 3, the drawer supporting plate 3 is fixed on the cabinet body 1, sliding outer guide rails 5 and limiting lock catches 6 are installed on two sides of the drawer supporting plate 3, and the outer guide rails 5 can slide and are limited through limiting mechanisms. The limiting mechanism is characterized in that long waist holes 7 (limiting grooves) are formed in two sides of the drawer supporting plate 3, fixing columns 8 are arranged on the outer guide rail 5, the fixing columns 8 stretch into the long waist holes 7, and the outer guide rail 5 can only slide in the length of the long waist holes 7 through the fixing columns 8. A stopper 10 is provided at the front of the outer rail 5. The inner guide rail 4 and the outer guide rail 5 are lifted up and separated through the clamping plate 9.
The outer guide rails 5 are slidably connected to the drawer supporting plate 3 through the matching of the fixing posts 8 and the long waist holes 7, and the inner guide rails 4 on both sides of the drawer unit 2 drive the outer guide rails 5 to slide outwards when moving outwards. The drawer unit 2 is slidable outwardly by engagement of its upper inner rail 4 with an outer rail 5 on the drawer tray 3.
As shown in fig. 4 and 5, the drawer unit 2 is drawn out to block the outer rail 5 from sliding inward, and the fixing post 8 and the long waist hole 7 block the outer rail 5 from sliding outward. The clamping plate 5 on the inner guide rail is contacted with the stop block 10 on the outer guide rail 5 to stop the inner guide rail 4 from slipping outwards. When the drawer unit 2 is to be separated from the cabinet body 1, the drawer unit 2 is slightly lifted upwards, the drawer supporting plate 3 does not block the clamping plate 9 on the inner guide rail any more, and the drawer unit 2 can be moved out.
The structure of the limit lock catch 6 is shown in fig. 6, and comprises a lifting plate 11 and a limit plate 12. The lifting plate 11 is arranged on the drawer supporting plate 3 through a rotating shaft 13, a limiting groove 15 is arranged on the lifting plate 11, a limiting column 14 is arranged in the limiting groove 15, and the limiting column 14 is fixedly arranged on the drawer supporting plate 3. The lifting plate 11 can rotate around the rotating shaft 13, and the limiting groove 15 and the limiting column 14 realize the limiting of the rotating angle, so as to realize the lifting and the falling. When the landing plate 11 falls down, the bottom surface is lower than the top surface of the outer guide rail 5, so that the limiting lock catch 6 can block the outer guide rail 5. The limit plate 12 is connected to the landing plate 11 and has a slope 16.
When the drawer unit 2 is pushed in, the inner guide rail 4 slides inwards along the outer guide rail 5, the inclined surface 16 of the limiting plate 12 is jacked up by the inclined surface on the clamping plate 9 at the rear end of the inner guide rail 4, so that the whole limiting lock catch 6 is lifted around the rotating shaft 13, the limiting lock catch 6 does not block the outer guide rail 5 any more, and the drawer unit 2 is pushed in smoothly, as shown in fig. 6. After the drawer unit 2 is pushed in, the lifting plate 11 of the limit lock catch 6 is on the upper surface of the outer guide rail 5 and is in a lifting state. When the drawer unit 2 is drawn out, the limit lock catch 6 falls down along with the outward movement of the outer guide rail 5, as shown in fig. 7.
When the drawer unit 2 is to be separated from the cabinet body, the drawer unit 2 is slightly lifted upwards, the drawer supporting plate 4 does not block the clamping plate 9 on the inner guide rail 4 any more, and the drawer unit 2 can be moved out.
Claims (4)
1. The utility model provides an anti-drop device of low pressure switchgear drawer unit, drawer unit bearing is on the drawer layer board, characterized by: inner guide rails are arranged on two sides of the drawer unit, and clamping plates are arranged at the rear ends of the inner guide rails; the two sides of the drawer supporting plate are provided with an outer guide rail and a limiting lock catch, a limiting mechanism is arranged between the outer guide rail and the drawer supporting plate, and the front part of the outer guide rail is provided with a stop block; the drawer unit is arranged between the outer guide rails on the two sides of the drawer supporting plate through the inner guide rails on the two sides, and the drawer unit can slide outwards through the matching of the inner guide rails and the sliding outer guide rails.
2. The anti-drop device of the drawer unit of the low-voltage switchgear assembly as claimed in claim 1, wherein the limiting mechanism is formed by a limiting groove formed on a drawer support plate, and a fixing post formed on the outer sliding guide rail and extending into the limiting groove.
3. The anti-drop device of the drawer unit of the low voltage switchgear assembly as claimed in claim 1, wherein the limit lock comprises a landing plate and a limit plate, the landing plate is mounted on the drawer support plate through a rotating shaft, and the limit plate is connected to the landing plate and has an inclined surface.
4. The anti-drop device for the drawer unit of the low-voltage switchgear assembly as claimed in claim 3, wherein the landing plate is provided with a limiting groove, a limiting post is arranged in the limiting groove, and the limiting post is fixedly mounted on the drawer support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920280435.4U CN209929832U (en) | 2019-03-06 | 2019-03-06 | Anti-falling device of drawer unit of low-voltage complete switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920280435.4U CN209929832U (en) | 2019-03-06 | 2019-03-06 | Anti-falling device of drawer unit of low-voltage complete switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209929832U true CN209929832U (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920280435.4U Active CN209929832U (en) | 2019-03-06 | 2019-03-06 | Anti-falling device of drawer unit of low-voltage complete switch equipment |
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| CN (1) | CN209929832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713603A (en) * | 2019-03-06 | 2019-05-03 | 山东爱普电气设备有限公司 | The anti-drop device of low-voltage complete switch equipment drawer unit |
-
2019
- 2019-03-06 CN CN201920280435.4U patent/CN209929832U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713603A (en) * | 2019-03-06 | 2019-05-03 | 山东爱普电气设备有限公司 | The anti-drop device of low-voltage complete switch equipment drawer unit |
| CN109713603B (en) * | 2019-03-06 | 2024-06-11 | 山东爱普电气设备有限公司 | Anti-falling device of drawer unit of low-voltage switchgear assembly |
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