CN211350558U - Automatic power-off device for power production operation fault - Google Patents
Automatic power-off device for power production operation fault Download PDFInfo
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- CN211350558U CN211350558U CN202020289790.0U CN202020289790U CN211350558U CN 211350558 U CN211350558 U CN 211350558U CN 202020289790 U CN202020289790 U CN 202020289790U CN 211350558 U CN211350558 U CN 211350558U
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- fixedly connected
- fuse
- wall
- production operation
- insulating casing
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Abstract
The utility model discloses an electric power production operation trouble automatic power-off device, including insulating casing, insulating casing's inner wall fixedly connected with mounting panel, the mounting groove has been opened to the front side of mounting panel, be equipped with the fuse in the mounting groove, the standing groove has all been seted up to the left and right sides of mounting groove inner wall, the inner wall fixedly connected with of standing groove is used for the support of fixed fuse to press the subassembly, two connection terminals are fixed to the rear side of insulating casing inner wall, two wiring ends of fuse are located two connection terminals respectively, the connection terminal is kept away from the one end fixedly connected with of fuse and is run through insulating casing's connecting wire. The utility model discloses an above-mentioned isotructure's cooperation has realized that can be simple quick dismantles and installs the fusible link of different specifications, provides convenience for changing the fusible link, has saved maintenance duration, provides convenience for normal power consumption.
Description
Technical Field
The utility model relates to an electrical equipment technical field specifically is an electric power production operation trouble auto-power-off device.
Background
The power distribution network operation faults mainly comprise short-circuit faults, open circuit faults, overvoltage faults and the like, the automatic power-off device can perform power-off processing on the power distribution network operation faults, the safety of the power distribution network operation is improved by the automatic power-off device, the common automatic power-off device adopts an air switch or a fuse to generate the automatic power-off effect, and when the circuit is in fault and short circuit, the automatic power-off device enables the circuit to be open circuit, so that the damage of electrical equipment is avoided. The existing fuse wire is complex in installation and replacement, and the replacement and installation of the fuse wire are difficult to complete simply and quickly, so that the maintenance time is prolonged, and inconvenience is brought to normal power utilization, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric power production operation trouble automatic power-off device possesses can be simply quick dismantles and installs the fuse of different specifications, provides convenience for changing the fuse, has saved maintenance duration, provides convenient advantage for normal power consumption, has solved the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric power production operation trouble automatic power-off device, includes insulating casing, insulating casing's inner wall fixedly connected with mounting panel, the mounting groove has been opened to the front side of mounting panel, be equipped with the fuse in the mounting groove, the standing groove has all been seted up to the left and right sides of mounting groove inner wall, the inner wall fixedly connected with of standing groove is used for the support of fixed fuse to press the subassembly.
Two wire holders are fixed to the rear side of insulating casing inner wall, two wiring ends of fusible link are located two wire holders respectively, the one end fixedly connected with that the fuse was kept away from to the wire holder runs through insulating casing's connecting wire, the side fixedly connected with of wire holder is used for the locating component of fixed fusible link wiring end.
Preferably, the pressing component comprises a spring, the spring is fixedly connected to the inner wall of the placing groove, and one end, close to the fuse, of the spring is fixedly connected with a pressing block used for fixing the fuse.
Preferably, an arc-shaped guide surface is arranged on one side, close to the fuse wire, of the pressing block.
Preferably, locating component includes L type bracing piece, L type bracing piece fixed connection is on the side of connection terminal, the internal thread hole has been seted up on the surface of L type bracing piece, the inner wall threaded connection screw rod in internal thread hole, the one end that the screw rod is close to the connection terminal is connected with insulating locating piece through the bearing rotation, the through-hole that supplies insulating locating piece to run through is seted up to the side of connection terminal.
Preferably, one end of the screw rod, which is far away from the wire holder, is fixedly connected with a rotating handle, and anti-skid grains are arranged on the surface of the rotating handle.
Compared with the prior art, the beneficial effects of the utility model are that: through the cooperation of mounting panel, mounting groove, spring, suppression piece and arc spigot surface for can carry out the centre gripping to the fusible link of different specifications and fix, and install comparatively simple and conveniently, and through connection terminal, L type backup pad, screw rod, do not have the cooperation of screw hole and insulation positioning piece, make can be simple quick to install the wiring end of fusible link, to sum up, use through the cooperation of above-mentioned relevant structure, simple quick dismantles and installs the fusible link of different specifications, provides convenience for changing the fusible link, provides convenience for normal power consumption.
Drawings
Fig. 1 is a front cross-sectional view of the present invention;
fig. 2 is a top view of the mounting plate of the present invention;
fig. 3 is an enlarged view of the structure of the present invention at a.
In the figure: 1-an insulating shell, 2-a mounting plate, 3-a mounting groove, 4-a fuse, 5-a wire holder, 6-a connecting wire, 7-a spring, 8-a pressing block, 9-an arc-shaped guide surface, 10-an L-shaped support rod, 11-an internal thread hole, 12-a screw rod, 13-an insulating positioning block and 14-a rotary handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides an electric power production operation trouble automatic power-off device, including insulating casing 1, insulating casing 1's inner wall fixedly connected with mounting panel 2, mounting groove 3 has been opened to mounting panel 2's front side, mounting groove 3 is convenient for install fuse 4, be equipped with fuse 4 in the mounting groove 3, during the circuit fault short circuit, thereby fuse 4 fuses uses whole circuit to break and plays the guard action, the standing groove has all been seted up to the left and right sides of 3 inner walls in mounting groove, the inner wall fixedly connected with of standing groove is used for fixed fuse 4 to press the subassembly.
Further, support and press the subassembly to include spring 7, spring 7 fixed connection is on the inner wall of standing groove, and spring 7 is close to the one end fixedly connected with that fuse 4 is used for fixed fuse 4's support briquetting 8.
Further, arc-shaped guide surfaces 9 are arranged on one side, close to the fuse 4, of the pressing block 8, the elastic force of the spring 7, which can be overcome by the fuse 4, is extruded between the two pressing blocks 8 through the arrangement of the arc-shaped guide surfaces 9 on the surface of the pressing block 8, so that the fuse 4 is fixed, and then the screw 12 is rotated through the rotating handle 14, so that the insulating positioning block 13 extrudes the wiring end of the fuse 4, and the installation of the fuse 4 can be completed.
Two wire holders 5 are fixed to the rear side of 1 inner wall of insulating casing, and two wiring ends of fusible link 4 are located two wire holders 5 respectively, and wire holder 5 keeps away from the one end fixedly connected with of fusible link 4 and runs through connecting wire 6 of insulating casing 1, and the side fixedly connected with of wire holder 5 is used for the locating component of fixed fusible link 4 wiring end.
Further, the locating component includes L type bracing piece 10, L type bracing piece 10 fixed connection is on the side of connection terminal 5, internal thread hole 11 has been seted up on the surface of L type bracing piece 10, the inner wall threaded connection screw rod 12 of internal thread hole 11, the one end that screw rod 12 is close to connection terminal 5 is connected with insulating locating piece 13 through the bearing rotation, the through-hole that supplies insulating locating piece 13 to run through is seted up to the side of connection terminal 5, when fuse 4 after the fuse is changed to needs, rotate screw rod 12 through swing handle 14 earlier, because screw rod 12 and internal thread 11 hole threaded connection, make screw rod 12 can rotate the limit and remove, and because insulating locating piece 13 rotates with screw rod 12 and is connected, make screw rod 12 can drive insulating locating piece 13 to the motion of one side that is close to L type bracing piece 10, thereby remove the fixed to fuse 4 wiring end.
Furthermore, one end of the screw 12, which is far away from the wire holder 5, is fixedly connected with a rotating handle 14, the surface of the rotating handle 14 is provided with anti-skid grains, and the rotating handle 14 enables the screw 12 to be rotated more simply and conveniently.
The working principle is as follows: when the automatic power-off device for the power production operation fault is used, when the fused fuse wire 4 needs to be replaced, the screw 12 is rotated through the rotary handle 14, the screw 12 is in threaded connection with the hole of the internal thread 11, so that the screw 12 can move while rotating, and the insulating positioning block 13 is in rotational connection with the screw 12, so that the screw 12 can drive the insulating positioning block 13 to move towards one side close to the L-shaped support rod 10, the fixation of the terminal of the fuse wire 4 is released, and the disassembly can be completed by pulling out the fuse wire 4 by overcoming the elasticity of the spring 7; when fuse 4 is installed to needs, put into mounting groove 3 new fuse 4, press fuse 4 afterwards, setting through the arc spigot surface 9 on suppression piece 8 surface, make the elasticity of the spring 7 that fuse 4 can overcome, extrude between two suppression pieces 8, thereby accomplish the fixed to fuse 4, rotate screw rod 12 through swing handle 14 afterwards for insulating locating piece 13 extrudes fuse 4's wiring end, can accomplish the installation to fuse 4, to sum up, use through the cooperation of above-mentioned relevant structure, simple quick dismantles and installs fuse 4 of different specifications, provides convenience for changing fuse 4, provides convenience for normal power consumption.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an electric power production operation trouble auto-power-off device, includes insulating casing (1), its characterized in that: the inner wall of the insulating shell (1) is fixedly connected with a mounting plate (2), a mounting groove (3) is formed in the front side of the mounting plate (2), a fuse wire (4) is arranged in the mounting groove (3), placing grooves are formed in the left side and the right side of the inner wall of the mounting groove (3), and the inner wall of each placing groove is fixedly connected with a pressing component for fixing the fuse wire (4);
two fixed connection terminal (5) of rear side of insulating casing (1) inner wall, two wiring ends of fusible link (4) are located two connection terminal (5) respectively, the one end fixedly connected with that fusible link (4) were kept away from in connection terminal (5) runs through connecting wire (6) of insulating casing (1), the side fixedly connected with of connection terminal (5) is used for the locating component of fixed fusible link (4) wiring end.
2. An electric power production operation failure automatic power-off device according to claim 1, characterized in that: the pressing component comprises a spring (7), the spring (7) is fixedly connected to the inner wall of the placing groove, and one end, close to the fuse wire (4), of the spring (7) is fixedly connected with a pressing block (8) used for fixing the fuse wire (4).
3. An electric power production operation failure automatic power-off device according to claim 2, characterized in that: an arc-shaped guide surface (9) is arranged on one side, close to the fuse wire (4), of the pressing block (8).
4. An electric power production operation failure automatic power-off device according to claim 1, characterized in that: the locating component comprises an L-shaped supporting rod (10), the L-shaped supporting rod (10) is fixedly connected to the side face of the wiring seat (5), an internal thread hole (11) is formed in the surface of the L-shaped supporting rod (10), a screw rod (12) is connected to the inner wall of the internal thread hole (11) in a threaded mode, one end, close to the wiring seat (5), of the screw rod (12) is connected with an insulating locating block (13) in a rotating mode through a bearing, and a through hole for the insulating locating block (13) to penetrate through is formed in the side face of the wiring seat (5).
5. An electric power production operation failure automatic power-off device according to claim 4, characterized in that: one end of the screw rod (12) far away from the wire holder (5) is fixedly connected with a rotating handle (14), and anti-skid grains are arranged on the surface of the rotating handle (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020289790.0U CN211350558U (en) | 2020-03-11 | 2020-03-11 | Automatic power-off device for power production operation fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020289790.0U CN211350558U (en) | 2020-03-11 | 2020-03-11 | Automatic power-off device for power production operation fault |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211350558U true CN211350558U (en) | 2020-08-25 |
Family
ID=72097421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020289790.0U Active CN211350558U (en) | 2020-03-11 | 2020-03-11 | Automatic power-off device for power production operation fault |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211350558U (en) |
-
2020
- 2020-03-11 CN CN202020289790.0U patent/CN211350558U/en active Active
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