CN112020251A - Circuit protection device easy to assemble - Google Patents
Circuit protection device easy to assemble Download PDFInfo
- Publication number
- CN112020251A CN112020251A CN202010812809.XA CN202010812809A CN112020251A CN 112020251 A CN112020251 A CN 112020251A CN 202010812809 A CN202010812809 A CN 202010812809A CN 112020251 A CN112020251 A CN 112020251A
- Authority
- CN
- China
- Prior art keywords
- protection box
- fixedly connected
- rod
- joint
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
Abstract
The invention discloses a circuit protection device convenient to install, which comprises a protection box and a protective cover, wherein the protective cover is arranged on the protection box; the power-on device is fixed at the bottom of the inner wall of the protection box and comprises two limiting plates, cables are respectively connected inside the two limiting plates in a sliding mode, and a first support frame is fixedly connected at the bottom of the inner wall of the protection box; this easy to assemble's circuit protection device, utilize outage device to control the cable conductor, the electric current volume when the cable conductor is too big messenger, the magnetism of iron core pole is big more, attract the magnetic path motion, when the magnetic path motion, the pulling connecting wire, the connecting wire removes and drives the removal pulley and remove, thereby make contact lever and power off switch contact back, make the circuit outage, reach protection circuit's effect, and utilize fixing device to install the protection box, not only the installation is quick, can also repetitious usage, the installation effectiveness of protection box can be improved.
Description
Technical Field
The invention particularly relates to a circuit protection device convenient to install.
Background
The simplest circuit is composed of a power load, a lead, a switch and other elements which are connected in a certain mode to provide a path for the circulation of electric charges.
The existing circuit protection is that after a coil is arranged at one end of a cable and the cable is electrified, an iron core is magnetized, a self-locking device is used for fixing a rotating strip, and a protection box is fixed on a wall surface through a nut.
The both ends of current cable conductor all communicate components and parts, so both ends all take place the short circuit phenomenon easily, and need artifical unblock after self-lock device locking, troublesome poeration to the nut is fixed, need not appear the smooth silk phenomenon easily, does not utilize the maintenance, consequently, it solves above-mentioned technical problem to need to provide a circuit protection device easy to assemble.
Disclosure of Invention
The invention aims to provide a circuit protection device convenient to install aiming at the defects of the prior art, and the aims of reducing the overhaul time and quickly installing the protection device are fulfilled.
In order to solve the technical problem, the circuit protection device convenient to install provided by the invention comprises a protection box and a protection cover, wherein the protection cover is arranged on the protection box;
the power-on device is fixed at the bottom of the inner wall of the protection box and comprises two limiting plates, cables are respectively connected inside the two limiting plates in a sliding mode, the bottom of the inner wall of the protection box is fixedly connected with a first supporting frame, an iron core rod is arranged on the supporting frame, and a coil is arranged on the outer surface of the iron core rod;
the moving device is fixed at the bottom of the inner wall of the protection box and comprises a fixed block, a magnetic block is connected inside the fixed block in a sliding mode, a second supporting frame is fixedly connected to one side of the inner wall of the protection box, a fixed pulley is rotatably connected inside the second supporting frame, and a connecting line is connected to the outer surface of the fixed pulley in a sliding mode;
the power-off device comprises a supporting block, two opposite sides in the supporting block are provided with sliding grooves, the inside of the supporting block is connected with a movable pulley in a sliding mode, the inside of the movable pulley is fixedly connected with a connecting rod, one side of the movable pulley is contacted with a contact plate, one side of the contact plate is fixedly connected with a contact rod, the outer surface of the contact rod is sleeved with a contact spring, and one side of the inner surface of the sliding groove is fixedly connected with a power-off switch;
two fixing device, fixing device is fixed in one side of protection box outer wall, fixing device includes the joint piece, the joint groove has been seted up to the inside of joint piece, the inside sliding connection in joint groove has the joint board, the inside fixedly connected with joint pole of joint board, the joint spring has been cup jointed to the surface of joint pole, the one end fixedly connected with baffle of joint pole.
Preferably, the two limiting plates are symmetrically fixed on the inner wall of the protection box, and the two cables are respectively communicated with the two ends of the coil.
Preferably, the connecting line is in contact with the outer surface of the movable pulley, and two ends of the contact spring are respectively and fixedly connected with one side of the contact plate and one side of the contact spring opposite to the sliding groove.
Preferably, the two power-off devices are symmetrically distributed, and two ends of the connecting rod are respectively connected with the inner surfaces of the two sliding grooves in a sliding manner.
Preferably, the cut-off switch is fixed inside the contact spring, and one side of the cut-off switch is in contact with one end of the contact rod.
Preferably, the two fixing devices are symmetrically distributed on one side of the outer wall of the protection box, and one end of the clamping rod penetrates through the inside of the protection box and is fixedly connected with one side of the baffle.
Preferably, two ends of the clamping spring are fixedly connected with one side of the inner surface of the clamping groove and the opposite side of the clamping plate respectively.
Compared with the related art, the circuit protection device convenient to install provided by the invention has the following beneficial effects:
the invention provides a circuit protection device convenient to install, which is characterized in that a power-off device is used for controlling a cable, when the current of the cable is overlarge, the magnetic of a core bar is larger, a magnetic block is attracted to move, when the magnetic block moves, a connecting wire is pulled, the connecting wire moves to drive a movable pulley to move, so that after a contact rod is contacted with a power-off switch, the circuit is powered off, the effect of protecting the circuit is achieved, and a fixing device is used for installing a protection box, so that the circuit protection device is quick to install and can be used for multiple times, and the installation efficiency of the protection box can be improved.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a circuit protection device easy to install according to the present invention;
FIG. 2 is a side view of the integrated device shown in FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 1;
fig. 4 is an enlarged schematic view of a portion B shown in fig. 2.
Reference numbers in the figures: 1. the protection device comprises a protection box, 11, a protection cover, 2, an electrifying device, 21, a limiting plate, 22, a cable, 23, a first support frame, 24, an iron core rod, 25, a coil, 3, a moving device, 31, a fixing block, 32, a magnetic block, 33, a second support frame, 34, a fixing pulley, 35, a connecting wire, 4, a power-off device, 41, a support block, 42, a sliding groove, 43, a moving pulley, 44, a connecting rod, 45, a contact plate, 46, a contact rod, 47, a contact spring, 48, a power-off switch, 5, a fixing device, 51, a clamping block, 52, a clamping groove, 53, a clamping plate, 54, a clamping rod, 55, a clamping spring, 56 and a baffle.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, and fig. 4, wherein fig. 1 is a schematic structural diagram of a circuit protection device easy to install according to a preferred embodiment of the present invention; FIG. 2 is a side view of the integrated device shown in FIG. 1; FIG. 3 is an enlarged view of portion A of FIG. 1; fig. 4 is an enlarged schematic view of a portion B shown in fig. 2. An easy-to-install circuit protection device comprising: the protection device comprises a protection box 1 and a protection cover 11, wherein the protection cover 11 is arranged on the protection box 1;
the power-on device 2 is fixed at the bottom of the inner wall of the protection box 1, the power-on device 2 comprises two limiting plates 21, cables 22 are respectively connected inside the two limiting plates 21 in a sliding mode, a first support frame 23 is fixedly connected to the bottom of the inner wall of the protection box 1, an iron core rod 24 is arranged on the support frame, and a coil 25 is arranged on the outer surface of the iron core rod 24;
the moving device 3 is fixed at the bottom of the inner wall of the protection box 1 and comprises a fixed block 31, a magnetic block 32 is connected inside the fixed block 31 in a sliding manner, a second support frame 33 is fixedly connected to one side of the inner wall of the protection box 1, a fixed pulley 34 is rotatably connected inside the second support frame 33, and a connecting wire 35 is connected to the outer surface of the fixed pulley 34 in a sliding manner;
the protection box comprises two power-off devices 4, the power-off devices 4 are fixed on one side of the inner wall of the protection box 1, each power-off device 4 comprises a supporting block 41, sliding grooves 42 are formed in two opposite sides of the inside of each supporting block 41, a movable pulley 43 is connected inside each supporting block 41 in a sliding mode, a connecting rod 44 is fixedly connected inside each movable pulley 43, a contact plate 45 is contacted with one side of each movable pulley 43, a contact rod 46 is fixedly connected to one side of each contact plate 45, a contact spring 47 is sleeved on the outer surface of each contact rod 46, and a power-off switch 48 is fixedly connected to one side of the inner surface of each sliding groove;
two fixing device 5, fixing device is fixed in one side of protection box 1 outer wall, fixing device 5 includes joint piece 51, joint groove 52 has been seted up to the inside of joint piece 51, the inside sliding connection in joint groove 52 has joint plate 53, the inside fixedly connected with joint rod 54 of joint plate 53, joint spring 55 has been cup jointed to joint rod 54's surface, joint rod 54's one end fixedly connected with baffle 56.
The two limiting plates 21 are symmetrically fixed on the inner wall of the protection box 1, and the two cables 22 are respectively communicated with two ends of the coil 25.
The two limiting plates 21 are symmetrically fixed inside the protection box 1 and used for controlling the wire inlet position of the cable 22, the cable 22 is communicated with the coil 25, the coil is wound outside the iron core rod 24, and after the current passing through the coil 25, the iron core rod 24 generates magnetism.
The connecting wire 35 contacts with the outer surface of the moving pulley 43, and both ends of the contact spring 47 are fixedly connected with one side of the contact plate 45 and one side opposite to the sliding groove 42, respectively.
The connection wire 35 moves the movable pulley 43 once, and the contact spring 47 moves the contact plate 45, thereby moving the contact rod 46.
The two power-off devices 4 are symmetrically distributed, and two ends of the connecting rod 44 are respectively connected with the inner surfaces of the two sliding grooves 42 in a sliding manner.
The power cut-off device 4 is connected with the mobile device 3 through a connecting line 35, and the connecting rod 44 is located at a corresponding position with the sliding groove 42.
The cut-off switch 48 is fixed inside the contact spring 47, and one side of the cut-off switch 48 is in contact with one end of the contact rod 46.
The cut-off switch 48 is provided inside the contact spring 47 so as to be in contact with the contact lever 46, and the cut-off switch 48 is brought into contact with the contact lever 46 to cut off the entire circuit.
The two fixing devices 5 are symmetrically distributed on one side of the outer wall of the protection box 1, and one end of the clamping rod 54 penetrates through the interior of the protection box 1 and is fixedly connected with one side of the baffle 56.
The fixing devices 5 are symmetrically distributed at the same position, so that the protection box 1 can be fixed conveniently, and the baffle plate 56 is used for pulling the clamping rod 54.
Two ends of the clamping spring 55 are respectively fixedly connected with one side of the inner surface of the clamping groove 52 and the opposite side of the clamping plate 53.
The clamping spring 55 is connected with the clamping plate 53 to drive the clamping plate 53 to move, so that the clamping rod 54 moves to facilitate clamping.
The working principle of the circuit protection device convenient to install provided by the invention is as follows:
after the cable 22 is connected with the coil 25, the cable 22 is powered on, when the current on the cable 22 on one side is too large, the current on the coil 25 is increased, so that the magnetism of the iron core bar 24 is increased, the iron core bar 24 attracts the magnetic block 32 on one end to move, when the magnetic block 32 moves, the connecting line 35 is pulled, the connecting line 35 moves to push one side of the sliding groove 42 of the movable pulley 43 box to move, the movable pulley 43 moves to drive the contact plate 45 to move, the contact plate 45 moves to drive the contact rod 46 to move, at the moment, the contact spring 47 compresses, when the contact rod 46 contacts with the power-off switch 48, the cable 22 is powered off, at the moment, the protective cover 11 is opened, after the cable 22 on one end of the contact rod 46 contacting with the power-off switch 48 is overhauled, after the magnetic block 32 is slightly moved, the contact spring 47 restoring, and then the power can be used again.
When protection box 1 is required to be installed, align joint block 51 to the groove block on the installation position, joint spring 55 in fixing device 5 compresses this moment, when joint block 51 moves to the installation position, joint rod 54 inside joint block 51 contacts with the spacing hole in the groove block, joint spring 55 restoring force, make joint rod 54 and spacing hole joint, fix protection box 1, when protection box 1 is required to be dismantled, pulling baffle 56, baffle 56 moves and drives joint rod 54 to move, joint rod 54 moves and breaks away from the spacing hole, upwards stimulate protection box 1, make joint block 51 and the groove block separation on the installation position, accomplish the dismantlement promptly.
Compared with the related art, the circuit protection device convenient to install provided by the invention has the following beneficial effects:
the invention provides a circuit protection device convenient to install, which utilizes a power-off device 4 to control a cable 22, when the current of the cable 22 is overlarge, the larger the magnetism of an iron core rod 24 is, a magnetic block 32 is attracted to move, when the magnetic block 32 moves, a connecting wire 35 is pulled, the connecting wire 35 moves to drive a movable pulley 43 to move, so that after a contact rod 46 is contacted with a power-off switch 48, the circuit is powered off, the effect of protecting the circuit is achieved, and a fixing device 5 is utilized to install a protection box 1, so that the circuit protection device is not only quick to install, but also can be used for multiple times, and the installation efficiency of the protection box 1 can be improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The circuit protection device convenient to install is characterized by comprising a protection box 1 and a protection cover 11, wherein the protection cover 11 is arranged on the protection box 1;
the power-on device 2 is fixed at the bottom of the inner wall of the protection box 1, the power-on device 2 comprises two limiting plates 21, cables 22 are respectively connected inside the two limiting plates 21 in a sliding mode, a first support frame 23 is fixedly connected to the bottom of the inner wall of the protection box 1, an iron core rod 24 is arranged on the support frame, and a coil 25 is arranged on the outer surface of the iron core rod 24;
the moving device 3 is fixed at the bottom of the inner wall of the protection box 1 and comprises a fixed block 31, a magnetic block 32 is connected inside the fixed block 31 in a sliding manner, a second support frame 33 is fixedly connected to one side of the inner wall of the protection box 1, a fixed pulley 34 is rotatably connected inside the second support frame 33, and a connecting wire 35 is connected to the outer surface of the fixed pulley 34 in a sliding manner;
the protection box comprises two power-off devices 4, the power-off devices 4 are fixed on one side of the inner wall of the protection box 1, each power-off device 4 comprises a supporting block 41, sliding grooves 42 are formed in two opposite sides of the inside of each supporting block 41, a movable pulley 43 is connected inside each supporting block 41 in a sliding mode, a connecting rod 44 is fixedly connected inside each movable pulley 43, a contact plate 45 is contacted with one side of each movable pulley 43, a contact rod 46 is fixedly connected to one side of each contact plate 45, a contact spring 47 is sleeved on the outer surface of each contact rod 46, and a power-off switch 48 is fixedly connected to one side of the inner surface of each sliding groove 42;
two fixing device 5, fixing device is fixed in one side of protection box 1 outer wall, fixing device 5 includes joint piece 51, joint groove 52 has been seted up to the inside of joint piece 51, the inside sliding connection in joint groove 52 has joint plate 53, the inside fixedly connected with joint rod 54 of joint plate 53, joint spring 55 has been cup jointed to joint rod 54's surface, joint rod 54's one end fixedly connected with baffle 56.
2. A circuit protection device for facilitating installation as claimed in claim 1, wherein: the two limiting plates 21 are symmetrically fixed on the inner wall of the protection box 1, and the two cables 22 are respectively communicated with two ends of the coil 25.
3. A circuit protection device for facilitating installation as claimed in claim 1, wherein: the connecting wire 35 contacts with the outer surface of the moving pulley 43, and both ends of the contact spring 47 are fixedly connected with one side of the contact plate 45 and one side opposite to the sliding groove 42, respectively.
4. A circuit protection device for facilitating installation as claimed in claim 1, wherein: the two power-off devices 4 are symmetrically distributed, and two ends of the connecting rod 44 are respectively connected with the inner surfaces of the two sliding grooves in a sliding manner.
5. A circuit protection device for facilitating installation as claimed in claim 1, wherein: the cut-off switch 48 is fixed inside the contact spring 47, and one side of the cut-off switch 48 is in contact with one end of the contact rod 46.
6. A circuit protection device for facilitating installation as claimed in claim 1, wherein: the two fixing devices are symmetrically distributed on one side of the outer wall of the protection box 1, and one end of the clamping rod 54 penetrates through the inside of the protection box 1 and is fixedly connected with one side of the baffle plate 56.
7. A circuit protection device for facilitating installation as claimed in claim 1, wherein: two ends of the clamping spring 55 are respectively fixedly connected with one side of the inner surface of the clamping groove 52 and the opposite side of the clamping plate 53.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010812809.XA CN112020251A (en) | 2020-08-13 | 2020-08-13 | Circuit protection device easy to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010812809.XA CN112020251A (en) | 2020-08-13 | 2020-08-13 | Circuit protection device easy to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112020251A true CN112020251A (en) | 2020-12-01 |
Family
ID=73504288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010812809.XA Withdrawn CN112020251A (en) | 2020-08-13 | 2020-08-13 | Circuit protection device easy to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112020251A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922431A (en) * | 2021-01-27 | 2021-06-08 | 王金亮 | Protection device capable of preventing wire pole wire from being broken when swinging in wind |
-
2020
- 2020-08-13 CN CN202010812809.XA patent/CN112020251A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922431A (en) * | 2021-01-27 | 2021-06-08 | 王金亮 | Protection device capable of preventing wire pole wire from being broken when swinging in wind |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201201 |