CN211295017U - Single-path power detection and overload protection device - Google Patents
Single-path power detection and overload protection device Download PDFInfo
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- CN211295017U CN211295017U CN201922336393.4U CN201922336393U CN211295017U CN 211295017 U CN211295017 U CN 211295017U CN 201922336393 U CN201922336393 U CN 201922336393U CN 211295017 U CN211295017 U CN 211295017U
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Abstract
The utility model relates to a circuit protection device technical field, and a single pass power detection and overload protection device is disclosed, including electro-magnet and casing, the electro-magnet is fixed to be set up with in the casing, the below of electro-magnet is equipped with the movable rod, and the equal movable sleeve in both ends of movable rod is equipped with the locating lever, the both ends of locating lever set up with the both sides inner wall fixed connection of casing respectively, the top symmetry fixedly connected with and the electro-magnet assorted armature piece of movable rod, the outer wall symmetry fixedly connected with conducting rod of casing, and the other end of conducting rod runs through the inner wall disease of casing and extends to the casing and set up, the lateral wall fixedly connected with and one of them conducting rod assorted conducting block of movable. The utility model discloses can be convenient for connect external connection line, and can detect at power to carry out automatic short-circuit protection when transshipping, circuit structure is simple, and with low costs, can the automatic recovery use simultaneously.
Description
Technical Field
The utility model relates to a circuit protection device technical field especially relates to a single track power detection and overload protection device.
Background
Along with the continuous development of science and technology, people pay more and more attention to the use safety of electric equipment such as electrical apparatus, and when the power of power exceeds the rated power for a long time and an overload protection device does not protect the circuit, phenomena such as short circuit, tripping operation, heating and even burning are easily generated, and the phenomena have great hidden danger to personal and property safety.
At present, the traditional circuit protection device mainly adopts a metal fuse or an electronic protection circuit to realize the safety protection of a circuit, but the circuit protection device in the prior art has more complex circuit design and high cost, and is more troublesome to the connection of an external connecting wire, thereby being inconvenient for people to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the circuit protection device circuit design among the prior art is more complicated, and is with high costs, and is more troublesome to the connection of external connection line to people's use is not convenient for, and the one-way power detection and the overload protection device that provide.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a single-path power detection and overload protection device comprises an electromagnet and a shell, wherein the electromagnet is fixedly arranged in the shell, a movable rod is arranged below the electromagnet, and both ends of the movable rod are movably sleeved with positioning rods, both ends of the positioning rods are respectively fixedly connected with the inner walls of both sides of the shell, the top of the movable rod is symmetrically and fixedly connected with armature blocks matched with the electromagnet, the outer wall of the shell is symmetrically and fixedly connected with conducting rods, the other end of the conducting rod penetrates through the inner wall of the shell and extends into the shell, the side wall of the movable rod is fixedly connected with a conducting block matched with one conducting rod, the conductive block is electrically connected with the output end of the electromagnet through a first wire, the other conductive rod is electrically connected with the input end of the electromagnet through a second wire, and two locking mechanisms matched with the conductive rods are symmetrically arranged on the outer wall of the shell.
Preferably, the locking mechanism comprises a rotating cover, two adjusting rods and two rotating blocks, the rotating cover is movably sleeved with a rotating shaft, the rotating shaft is arranged close to one side of the shell, both ends of the rotating shaft are fixedly connected with fixed blocks, the side wall of each fixed block is fixedly connected with the outer wall of the shell, the side wall of the rotating cover, far away from one side of the rotating shaft, is provided with a through hole, the bottom of the through hole is symmetrically provided with two limiting holes matched with the adjusting rods, both ends of the two adjusting rods respectively penetrate through the two adjusting holes and extend outwards, the side walls of the two adjusting rods are respectively provided with a strip-shaped hole, a positioning block is arranged in each strip-shaped hole, the side wall of each limiting hole is provided with a ring-shaped groove matched with the positioning block, two strip-shaped holes are respectively internally provided with a first spring, both ends of each first spring are respectively fixedly connected with the side wall, and two commentaries on classics pieces all are close to casing one side and set up, the outer wall symmetry of casing seted up two with change piece assorted standing groove, and the lateral wall of standing groove seted up with change piece assorted draw-in groove.
Preferably, two the pole wall of locating lever all activity cover is equipped with the second spring, and the both ends of second spring set up with the lateral wall of movable rod and the inner wall fixed connection of casing respectively.
Preferably, the tops of the two armature blocks are both arc-shaped, and the bottom of the electromagnet is provided with two arc-shaped grooves matched with the armature blocks.
Preferably, jacks are formed in the side walls of the two conducting rods, and the jacks are located on one side outside the shell.
Preferably, two annular mounting blocks are symmetrically and fixedly connected to two side walls of the shell.
Preferably, one end, far away from the shell, of each adjusting rod is fixedly connected with a pulling block.
Preferably, each bottom of the through hole is fixedly provided with a rubber gasket, and the surface of the rubber gasket is provided with anti-skid lines.
Preferably, the movable rod is made of a plastic material.
Compared with the prior art, the utility model provides a single track power detects and overload protection device possesses following beneficial effect:
1. this single-pass power detects and overload protection device, through the conducting rod that is equipped with, insert outside connecting wire respectively in the jack of two conducting rods, the commentaries on classics lid that the rethread was equipped with, rotate and change the lid, can make the opening that changes to cover and outside connecting wire counterbalance setting, when changeing the lid and rotating to certain angle, it is corresponding with the standing groove to change the piece, and then press the regulation pole, can make the piece that changes remove, make its and standing groove block each other, the rethread rotates the regulation pole, can make and change the piece and draw-in groove between the card together, and then prescribe a limit to the position of changeing the lid, guarantee the stability of counterbalance between outside connecting wire and the commentaries on classics lid, the first spring that the rethread was equipped with, the pulling force of first spring can drive the regulation pole and remove, guarantee the stability of counterbalance between piece and the draw-.
2. This single power detects and overload protection device, when the power increase in the circuit, can lead to the electric current increase in the circuit, the electric current surpasss instantaneous dropout current value of setting, makes the electro-magnet produce enough big suction, and then makes and adsorb between electro-magnet and the armature piece together, and drives the movable rod and remove to break away from each other between messenger's conducting block and the conducting rod, protect the circuit, and when the electric current resumes to the normal value, can make the conducting block contact with between the conducting rod again, people's use of being convenient for.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can be convenient for connect external connection line, and can detect at power to carry out automatic short-circuit protection when transshipping, circuit structure is simple, and with low costs, can the automatic recovery use simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a single-path power detection and overload protection device provided by the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
fig. 4 is a schematic structural diagram between the transfer slot and the clamping slot of the present invention.
In the figure: 1 electromagnet, 2 shells, 3 movable rods, 4 positioning rods, 5 armature blocks, 6 conducting rods, 7 rotating covers, 8 first conducting wires, 9 rotating blocks, 10 adjusting rods, 11 rotating shafts, 12 fixing blocks, 13 positioning blocks, 14 first springs, 15 clamping grooves, 16 second springs, 17 rubber gaskets, 18 pulling blocks and 19 annular mounting blocks.
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.
Referring to fig. 1-4, a single-path power detection and overload protection device comprises an electromagnet 1 and a housing 2, wherein the electromagnet 1 is fixedly arranged in the housing 2, a movable rod 3 is arranged below the electromagnet 1, positioning rods 4 are movably sleeved at both ends of the movable rod 3, both ends of each positioning rod 4 are respectively fixedly connected with inner walls of both sides of the housing 2, armature blocks 5 matched with the electromagnet 1 are symmetrically and fixedly connected with the top of the movable rod 3, conductive rods 6 are symmetrically and fixedly connected with the outer wall of the housing 2, the other end of each conductive rod 6 penetrates through the inner wall of the housing 2 and extends into the housing 2, conductive blocks matched with one conductive rod 6 are fixedly connected with the side wall of the movable rod 3, the conductive blocks are electrically connected with the output end of the electromagnet 1 through first wires 8, the other conductive rod 6 is electrically connected with the input end of the electromagnet 1 through second wires, two locking mechanisms matched with the conducting rods 6 are symmetrically arranged on the outer wall of the shell 2.
The locking mechanism comprises a rotating cover 7, two adjusting rods 10 and two rotating blocks 9, wherein the rotating cover 7 is movably sleeved with a rotating shaft 11, the rotating shaft 11 is arranged close to one side of the shell 2, both ends of the rotating shaft 11 are fixedly connected with fixed blocks 12, the side wall of each fixed block 12 is fixedly connected with the outer wall of the shell 2, the side wall of the rotating cover 7, far away from one side of the rotating shaft 11, is provided with a through hole, the bottom of the through hole is symmetrically provided with two limiting holes matched with the adjusting rods 10, both ends of the two adjusting rods 10 respectively penetrate through the two adjusting holes and extend outwards, the side walls of the two adjusting rods 10 are respectively provided with a strip-shaped hole, a positioning block 13 is arranged in each strip-shaped hole, the side wall of each limiting hole is provided with an annular groove matched with the positioning block 13, the positioning block 13 and the adjusting rods 10 can rotate through the arranged positioning blocks 13 and, and the both ends of first spring 14 respectively with the lateral wall fixed connection setting in lateral wall and the bar hole of locating piece 13, two commentaries on classics pieces 9 respectively with the one end fixed connection who adjusts pole 10, and two commentaries on classics pieces 9 all are close to 2 one sides of casing and set up, the outer wall symmetry of casing 2 seted up two with change 9 assorted standing grooves, and the lateral wall of standing groove seted up with change 9 assorted draw-in grooves 15.
The pole wall of two locating levers 4 is all movably sleeve to be equipped with second spring 16, and the both ends of second spring 16 set up with the lateral wall of movable rod 3 and the inner wall fixed connection of casing 2 respectively, and through the second spring 16 that is equipped with, the pulling force of second spring 16 can drive movable rod 3 return the normal position better.
The tops of the two armature blocks 5 are both arc-shaped, the bottom of the electromagnet 1 is provided with two arc-shaped grooves matched with the armature blocks 5, and the stability of adsorption between the armature blocks 5 and the rest electromagnets 1 can be improved.
The jack has all been seted up to the lateral wall of two conducting rods 6, and the jack is located the outer one side setting of casing 2, can improve external connection line and conducting rod 6 between electric connection's stability.
Two annular mounting blocks 19 are symmetrically and fixedly connected to two side walls of the shell 2, and the shell 2 can be mounted.
The end of each adjusting rod 10 far away from the shell 2 is fixedly connected with a pulling block 18, which can facilitate pulling and rotating the adjusting rod 10.
The bottom of every through-hole all is fixed and is equipped with rubber gasket 17, and the antiskid line has been seted up on rubber gasket 17's surface, and through the rubber gasket 17 that is equipped with, can make the through-hole more stable with the offseting of external connection line.
The movable rod 3 is made of plastic materials, so that the gravity of the movable rod 3 is reduced, and the movable rod is convenient to drive to move.
In the utility model, when in use, the external connecting wires are respectively inserted into the inserting holes of the two conducting rods 6 through the conducting rods 6, the rotating cover 7 is rotated through the rotating cover 7, the opening on the rotating cover 7 can be abutted against the external connecting wires, when the rotating cover 7 rotates to a certain angle, the rotating block 9 corresponds to the placing groove, the adjusting rod 10 is pressed, the rotating block 9 can be moved to be mutually clamped with the placing groove, the rotating block 9 and the clamping groove 15 can be clamped together through rotating the adjusting rod 10, the position of the rotating cover 7 is limited, the stability of the abutment between the external connecting wires and the rotating cover 7 is ensured, the first spring 14 is arranged, the tension of the first spring 14 can drive the adjusting rod 10 to move, the stability of the abutment between the rotating block 9 and the clamping groove 15 is ensured, and the use of people is convenient, when the power in the circuit is increased, the current exceeds the instantaneous tripping setting current value, the electromagnet 1 generates a large enough suction force, the electromagnet 1 and the armature block 5 are adsorbed together, and the movable rod 3 is driven to move, so that the conductive block and the conductive rod 6 are separated from each other, the circuit is protected, and when the current is restored to a normal value, the conductive block can be contacted with the conductive rod 6 again, and the use of people is facilitated.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a single pass power detects and overload protection device, includes electro-magnet (1) and casing (2), its characterized in that, in electro-magnet (1) fixed setting and casing (2), the below of electro-magnet (1) is equipped with movable rod (3), and the both ends of movable rod (3) are all moved movable sleeve and are equipped with locating lever (4), the both ends of locating lever (4) set up with the both sides inner wall fixed connection of casing (2) respectively, the top symmetry fixedly connected with of movable rod (3) and electro-magnet (1) assorted armature block (5), the outer wall symmetry fixedly connected with conducting rod (6) of casing (2), and the other end of conducting rod (6) runs through the inner wall trouble of casing (2) and extends to the setting in casing (2), the lateral wall fixedly connected with of movable rod (3) and one of them conducting rod (6) assorted conducting block, and the conducting block is electrically connected with the output end of the electromagnet (1) through a first conducting wire (8), the conducting rod (6) is electrically connected with the input end of the electromagnet (1) through a second conducting wire, and two locking mechanisms matched with the conducting rod (6) are symmetrically arranged on the outer wall of the shell (2).
2. The single-path power detection and overload protection device according to claim 1, wherein the locking mechanism comprises a rotating cover (7), two adjusting rods (10) and two rotating blocks (9), the rotating cover (7) is movably sleeved with a rotating shaft (11), the rotating shaft (11) is arranged near one side of the housing (2), two ends of the rotating shaft (11) are fixedly connected with fixing blocks (12), the side wall of each fixing block (12) is fixedly connected with the outer wall of the housing (2), the side wall of the rotating cover (7) far away from the rotating shaft (11) is provided with through holes, the bottom of each through hole is symmetrically provided with two limiting holes matched with the adjusting rods (10), two ends of the two adjusting rods (10) respectively penetrate through the two adjusting holes and extend outwards, the side walls of the two adjusting rods (10) are provided with strip-shaped holes, positioning blocks (13) are arranged in the strip-shaped holes, the lateral wall in spacing hole seted up with locating piece (13) assorted ring channel, two all be equipped with first spring (14) in the bar hole, and the both ends of first spring (14) set up with the lateral wall in locating piece (13) and the lateral wall fixed connection in bar hole respectively, two change piece (9) respectively with the one end fixed connection who adjusts pole (10), and two change piece (9) and all be close to casing (2) one side and set up, the outer wall symmetry of casing (2) seted up two with change piece (9) assorted standing groove, and the lateral wall of standing groove seted up with change piece (9) assorted draw-in groove (15).
3. The single-path power detection and overload protection device according to claim 1, wherein the rod walls of the two positioning rods (4) are movably sleeved with second springs (16), and two ends of each second spring (16) are respectively fixedly connected with the side wall of the movable rod (3) and the inner wall of the housing (2).
4. The single-path power detection and overload protection device according to claim 1, wherein the top of each of the two armature blocks (5) is arranged in an arc shape, and the bottom of the electromagnet (1) is provided with two arc-shaped grooves matched with the armature blocks (5).
5. The single-path power detection and overload protection device according to claim 1, wherein jacks are formed in side walls of the two conducting rods (6), and the jacks are located on one side of the outer side of the housing (2).
6. The single-circuit power detection and overload protection device according to claim 1, wherein two annular mounting blocks (19) are symmetrically and fixedly connected to both side walls of the housing (2).
7. The single-circuit power detection and overload protection device according to claim 2, wherein a pull block (18) is fixedly connected to an end of each adjusting rod (10) away from the housing (2).
8. The single-path power detection and overload protection device as claimed in claim 2, wherein a rubber gasket (17) is fixedly arranged at the bottom of each through hole, and anti-skid threads are arranged on the surface of the rubber gasket (17).
9. The single-pass power detection and overload protection device according to claim 1, wherein the movable rod (3) is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336393.4U CN211295017U (en) | 2019-12-23 | 2019-12-23 | Single-path power detection and overload protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336393.4U CN211295017U (en) | 2019-12-23 | 2019-12-23 | Single-path power detection and overload protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211295017U true CN211295017U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922336393.4U Expired - Fee Related CN211295017U (en) | 2019-12-23 | 2019-12-23 | Single-path power detection and overload protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211295017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630490A (en) * | 2021-03-12 | 2021-04-09 | 南京豪豪黑电子商务有限公司 | Ammeter and overload protection device for same |
-
2019
- 2019-12-23 CN CN201922336393.4U patent/CN211295017U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630490A (en) * | 2021-03-12 | 2021-04-09 | 南京豪豪黑电子商务有限公司 | Ammeter and overload protection device for same |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 |