CN219420078U - Extractable structure for heavy-current fixed loop - Google Patents
Extractable structure for heavy-current fixed loop Download PDFInfo
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- CN219420078U CN219420078U CN202320634872.8U CN202320634872U CN219420078U CN 219420078 U CN219420078 U CN 219420078U CN 202320634872 U CN202320634872 U CN 202320634872U CN 219420078 U CN219420078 U CN 219420078U
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- drawer body
- contactor
- current fixed
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- circuit breaker
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Abstract
The utility model belongs to the field of electric equipment, in particular to a withdrawable structure for a heavy-current fixed loop, which is provided with a drawer body, and is characterized in that a plastic shell circuit breaker and a contactor are fixedly arranged in the drawer body, the front side of the plastic shell circuit breaker is electrically connected with the front side of the contactor through three connecting rows, a three-phase separated primary wire inlet plug-in unit is inserted into the left side of the outer part of the rear wall of the drawer body, the plastic shell circuit breaker is electrically connected with the primary wire inlet plug-in unit through three connecting rows, three wire outlet rows are arranged at the rear side of the contactor, one ends of the three wire outlet rows are electrically connected with the contactor, the other ends of the three wire outlet rows extend out of the right upper end of the front side of the drawer body from the rear wall of the drawer body, and a pushing mechanism is fixedly arranged at the left end of the pushing mechanism to form an arc-shaped limiting groove for pushing the drawer body to the bottom and then fixing the drawer body; the utility model has the advantages of simple structure, convenient use, convenient maintenance, easy heat dissipation, light weight and the like.
Description
Technical Field
The utility model belongs to the field of power equipment, and particularly relates to a extractable structure for a high-current fixed loop.
Background
The low-voltage drawer switch cabinet is widely applied to industrial and mining enterprises and high-rise buildings with high requirements on power supply reliability.
Among the prior art, as CN113675775B discloses a drawer type switch cabinet, including the cabinet body, and locate the internal drawer of cabinet, its characterized in that, the drawer includes: a drawer body; the molded case circuit breaker is arranged in the drawer body and comprises a circuit breaker body and a plurality of second conductive pieces arranged on one side of an outlet end of the circuit breaker body, wherein the circuit breaker body is fixed on the drawer body in a side-by-side manner, and the length extension direction of the circuit breaker is the same as the drawing direction of the drawer; the third conductive pieces are distributed at intervals along the height direction of the drawer body and are suitable for being connected with the corresponding second conductive pieces and the plug-in assembly, and the third conductive pieces comprise: the fifth connecting plate extends along the length direction of the drawer body, the sixth connecting plate and the seventh connecting plate are respectively arranged at two ends of the fifth connecting plate, the sixth connecting plate is suitable for being connected with the second conductive piece, and the seventh connecting plate is suitable for being connected with the plug-in assembly; the plurality of plug-in components stretch out of the drawer body and are distributed in a staggered mode along the height direction of the drawer body, and the plug-in components are suitable for being matched with the outgoing busbar for plug-in.
The prior art has the following defects: when there are many components inside and close to the side wall, maintenance of the components close to the side wall is inconvenient.
Disclosure of Invention
In order to solve the above problems, the present utility model aims to disclose a withdrawable structure for a high-current fixed loop, which is realized by adopting the following technical scheme.
A withdrawable structure for a heavy-current fixed loop is provided with a drawer body and is characterized in that a plastic shell circuit breaker and a contactor are fixedly arranged in the drawer body, the front side of the plastic shell circuit breaker is electrically connected with the front side of the contactor through three connection rows, a three-phase separated primary wire inlet plug-in unit is plugged in the left side of the outer part of the rear wall of the drawer body, the plastic shell circuit breaker is electrically connected with the primary wire inlet plug-in unit through three connection rows, three wire outlet rows are arranged on the rear side of the contactor, one ends of the three wire outlet rows are electrically connected with the contactor, the other ends of the three wire outlet rows extend out of the right upper end of the front side of the drawer body from the rear wall of the drawer body, and a propelling mechanism is fixedly arranged at the left end of the propelling mechanism to form an arc-shaped limiting groove for propelling the drawer body to the bottom.
The extractable structure for the heavy current fixed loop is characterized in that the other end of the outlet line is turned back and is fixed outside the rear wall of the drawer body in an insulating manner.
The extractable structure for the heavy-current fixed loop is characterized in that three supporting pieces are fixedly arranged outside the rear wall of the drawer body, insulators are fixedly arranged on the supporting pieces, and the three outgoing lines are respectively fixed with the corresponding insulators.
The drawable structure for the heavy-current fixed loop is characterized in that the drawer body is also internally provided with a mounting plate, the plastic shell circuit breaker is positioned on the left side of the contactor, and the plastic shell circuit breaker and the contactor are respectively fixed with the mounting plate.
The extractable structure for the heavy-current fixed loop is characterized in that the left side wall of the drawer body is in sliding connection with the drawer body.
The draw-out structure for the heavy current fixed loop is characterized in that the left side of the drawer body is provided with two upright posts, a vertical groove with the bottom not communicated is formed in one surface opposite to the two upright posts along the vertical direction, a second limit groove is formed on the right side of the vertical groove, the upper end of the second limit groove is communicated with the upper end of the vertical groove, a long hole communicated up and down is correspondingly formed in the bottom wall of the drawer body below the vertical groove, a third limit groove parallel to the long hole is formed on the right side of the long hole, a transverse post capable of moving along the vertical groove and the second limit groove is connected between the two upright posts in a sliding manner, the left side wall is fixed below the transverse post, when two ends of the transverse post are positioned in the vertical groove, the left side wall penetrates through the long hole, and when two ends of the transverse post are positioned in the second limit groove, the bottom of the left side wall is positioned in the third limit groove.
The extractable structure for the heavy-current fixed loop is characterized in that a plurality of holes are formed in the side wall of the drawer body and used for rapidly radiating heat, so that the weight of the drawer body is reduced, and meanwhile, the cost of the drawer body is also reduced.
The extractable structure for the high-current fixed loop is characterized in that the drawer body is made of steel.
The extractable structure for the heavy-current fixed loop is characterized in that the connecting bars are copper bars.
The extractable structure for the heavy-current fixed loop is characterized in that the outgoing line is a copper bar.
Therefore, the utility model has the advantages of simple structure, convenient use, convenient maintenance, easy heat dissipation, light weight and the like.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present utility model.
Fig. 2 is a top view of embodiment 1 of the present utility model.
Fig. 3 is a front view of embodiment 1 of the present utility model.
Fig. 4 is a rear view of embodiment 1 of the present utility model.
Fig. 5 is a schematic perspective view of the drawer body according to embodiment 2 of the present utility model when the left side wall of the left side portion is closed.
Fig. 6 is a schematic perspective view showing a left side wall of a left side portion of a drawer body according to embodiment 2 of the present utility model when opened.
Fig. 7 is a schematic perspective view of the column of the left side portion of the drawer body of embodiment 2 of the present utility model.
In the figure: 1. connection row, 2, molded case circuit breaker, 3, drawer body, 31, upright post, 311, upright post body, 312, upright slot, 313, second limiting slot, 314, slot hole, 315, third limiting slot, 32, cross post, 33, left side wall, 4, propulsion mechanism, 41, first limiting slot, 5, contactor, 6, mounting plate, 7, outlet row, 8, primary inlet plug, 9, support, 10, insulator.
Detailed Description
Examples
Please see fig. 1 to 4, a drawable structure for a heavy current fixed loop, which has a drawer body 3, and is characterized in that a plastic shell breaker 2, a contactor 5 and a mounting plate 6 are fixedly arranged in the drawer body 3, the plastic shell breaker 2 is located at the left side of the contactor 5, the plastic shell breaker 2 and the contactor 5 are respectively fixed with the mounting plate 6, the front side of the plastic shell breaker 2 and the front side of the contactor 5 are electrically connected through three connection rows 1, a three-phase separated primary wire inlet plug-in unit 8 is inserted at the left side of the outer part of the rear wall of the drawer body 3, the plastic shell breaker 2 is electrically connected with the primary wire inlet plug-in unit 8 through three connection rows 1, three wire outlet rows 7 are arranged at the rear side of the contactor 5, one end of each wire outlet row 7 is electrically connected with the contactor 5, the other end of each wire outlet row 7 extends out from the rear wall of the drawer body 3 and is backwards turned over, three supporting pieces 9 are fixedly arranged on the outer parts of the rear wall of the drawer body 3, three wire outlet rows 7 are respectively connected with corresponding insulator 10, the three wire outlet rows 7 are respectively fixed with the corresponding insulator 10, and the front side of the drawer body 3 is fixedly provided with a first arc-shaped propelling mechanism 41 for forming a first arc-shaped propelling mechanism at the front end of the drawer body 3.
Examples
Referring to fig. 5 to 7, and referring to fig. 1 to 4, a withdrawable structure for a heavy current fixed loop has a drawer body 3, and is characterized in that the left side of the drawer body 3 has two upright posts 31, a vertical slot 312 with a bottom not penetrated is formed in the opposite sides of the two upright posts 31 along the vertical direction, a second limit slot 313 is formed on the right side of the vertical slot 312, the upper end of the second limit slot 313 is communicated with the upper end of the vertical slot 312, a long hole 314 penetrated up and down is correspondingly formed on the bottom wall of the drawer body 3 below the vertical slot 312, a third limit slot 315 parallel to the long hole 314 is formed on the right side of the long hole 314, a transverse post 32 capable of moving along the vertical slot 312 and the second limit slot 313 is slidingly connected between the two upright posts 31, a left side wall 33 is fixedly arranged below the transverse post 32, when two ends of the transverse post 32 are positioned in the vertical slot 312, the left side wall 33 penetrates through the long hole 314, when the two ends of the cross column 32 are positioned in the second limit groove 313, the bottom of the left side wall 33 is positioned in the third limit groove 315, the plastic shell breaker 2, the contactor 5 and the mounting plate 6 are fixedly arranged in the drawer body 3, the plastic shell breaker 2 is positioned at the left side of the contactor 5, the plastic shell breaker 2 and the contactor 5 are respectively fixed with the mounting plate 6, the front side of the plastic shell breaker 2 is electrically connected with the front side of the contactor 5 through three connecting rows 1, the left side of the outer part of the rear wall of the drawer body 3 is inserted with a three-phase separated primary wire inlet plug-in unit 8, the plastic shell breaker 2 is electrically connected with the primary wire inlet plug-in unit 8 through the three connecting rows 1, the rear side of the contactor 5 is provided with three wire outlet rows 7, one ends of the three wire outlet rows 7 are electrically connected with the contactor 5, the other ends of the three wire outlet rows 7 extend out from the rear wall of the drawer body 3 and are backwards turned over, the outer part of the rear wall of the drawer body 3 is fixedly provided with three supporting pieces 9, the insulator 10 is fixedly arranged on the supporting piece 9, the three outgoing lines 7 are respectively fixed with the corresponding insulator 10, a propulsion mechanism 4 is fixedly arranged at the right upper end of the front side of the drawer body 3, and an arc-shaped first limit groove 41 for being propelled to the bottom and fixing the drawer body 3 is formed at the left end of the propulsion mechanism.
Compared with the embodiment 1, the left side wall of the embodiment can move, so that the maintenance of an internal loop is more convenient; the left side wall 33 is not separated from the drawer body 3 when being opened; the left side wall 33 can be opened by separating the transverse column 32 from the second limiting groove 313, and the left side wall 33 can be managed by positioning the transverse column 32 in the second limiting groove 313, so that the use is convenient.
The extractable structure for a heavy current fixed loop according to any of the above embodiments is characterized in that the side wall of the drawer body 3 is formed with a plurality of holes for rapid heat dissipation, thereby reducing the weight of the drawer body 3 and reducing the cost of the drawer body 3.
The extractable structure for a heavy current fixed loop according to any of the above embodiments is characterized in that the drawer body 3 is made of steel.
The extractable structure for a heavy current fixed loop according to any of the above embodiments is characterized in that the connection bar 1 is a copper bar.
The extractable structure for a heavy current fixed loop according to any of the above embodiments is characterized in that the outgoing line 7 is a copper line.
The utility model meets the requirement of mutual phase separation of the incoming line side phase and the phase; the whole extraction structure is convenient for later maintenance or replacement and reconstruction of the loop; the whole installation can be completed outside, the installation is convenient, and the efficiency is improved.
The above-described embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model. The protection scope of the present utility model is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (10)
1. A extractable structure for a heavy current fixed loop is provided with a drawer body (3), and is characterized in that a plastic shell circuit breaker (2) and a contactor (5) are fixedly arranged in the drawer body (3), the front side of the plastic shell circuit breaker (2) is electrically connected with the front side of the contactor (5) through three connecting rows (1), a three-phase separated primary wire inlet plug-in unit (8) is plugged in the left side of the outer part of the rear wall of the drawer body (3), the plastic shell circuit breaker (2) is electrically connected with the primary wire inlet plug-in unit (8) through the three connecting rows (1), three wire outlet rows (7) are arranged on the rear side of the contactor (5), one ends of the three wire outlet rows (7) are electrically connected with the contactor (5), the other ends of the three wire outlet rows (7) extend out of the rear wall of the drawer body (3), a pushing mechanism (4) is fixedly arranged at the right upper end of the front side of the drawer body (3), and the left end of the pushing mechanism forms an arc-shaped limit groove (41) for pushing the drawer body (3) to the bottom.
2. A withdrawable structure for a heavy-current fixed circuit according to claim 1, characterized in that the other end of the outlet row (7) is turned back and fixed insulated outside the rear wall of the drawer body (3).
3. The extractable structure for a heavy current fixed loop according to claim 2, characterized in that three supporting members (9) are fixedly arranged outside the rear wall of the drawer body (3), insulators (10) are fixedly arranged on the supporting members (9), and the three outgoing line rows (7) are respectively fixed with the corresponding insulators (10).
4. The extractable structure for a heavy current fixed loop according to claim 1 or claim 2 or claim 3, characterized in that a mounting plate (6) is further provided in the drawer body (3), the molded case circuit breaker (2) is located at the left side of the contactor (5), and the molded case circuit breaker (2) and the contactor (5) are respectively fixed with the mounting plate (6).
5. A withdrawable structure for a high-current fixed circuit according to claim 4, characterized in that the left side wall (33) of the drawer body (3) is slidingly connected with the drawer body (3).
6. The extractable structure for a heavy current fixed loop according to claim 5, wherein the left side of the drawer body (3) is provided with two upright posts (31), a vertical slot (312) with a non-penetrating bottom is formed in the opposite surfaces of the two upright posts (31) along the vertical direction, a second limit slot (313) is formed on the right side of the vertical slot (312), the upper end of the second limit slot (313) is communicated with the upper end of the vertical slot (312), a long hole (314) penetrating up and down is correspondingly formed on the bottom wall of the drawer body (3) below the vertical slot (312), a third limit slot (315) parallel to the long hole (314) is formed on the right side of the long hole (314), a transverse column (32) capable of moving along the vertical slot (312) and the second limit slot (313) is slidably connected between the two upright posts (31), the left side wall (33) is fixed below the transverse column (32), when two ends of the transverse column (32) are located in the vertical slot (312), the left side wall (33) penetrates through the long hole (314), and is located in the third limit slot (315) when two ends of the transverse column (32) are located in the second limit slot (313).
7. The extractable structure for a high-current fixed loop according to claim 6, wherein the side wall of the drawer body (3) is formed with a plurality of holes for rapid heat dissipation, reducing the weight of the drawer body (3) and simultaneously reducing the cost of the drawer body (3).
8. A withdrawable structure for a high-current fixed circuit according to claim 7, characterized in that the drawer body (3) material is steel.
9. A withdrawable structure for high-current fixed circuits according to claim 8, characterized in that said connection bars (1) are copper bars.
10. A withdrawable structure for a high-current fixed circuit according to claim 9, characterized in that the outlet bars (7) are copper bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320634872.8U CN219420078U (en) | 2023-03-28 | 2023-03-28 | Extractable structure for heavy-current fixed loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320634872.8U CN219420078U (en) | 2023-03-28 | 2023-03-28 | Extractable structure for heavy-current fixed loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219420078U true CN219420078U (en) | 2023-07-25 |
Family
ID=87241724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320634872.8U Active CN219420078U (en) | 2023-03-28 | 2023-03-28 | Extractable structure for heavy-current fixed loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219420078U (en) |
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2023
- 2023-03-28 CN CN202320634872.8U patent/CN219420078U/en active Active
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