CN216648189U - Plug-in small safety circuit breaker - Google Patents
Plug-in small safety circuit breaker Download PDFInfo
- Publication number
- CN216648189U CN216648189U CN202220174269.1U CN202220174269U CN216648189U CN 216648189 U CN216648189 U CN 216648189U CN 202220174269 U CN202220174269 U CN 202220174269U CN 216648189 U CN216648189 U CN 216648189U
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- China
- Prior art keywords
- circuit breaker
- clamping
- bevel gear
- breaker body
- fixedly connected
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- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a plug-in type small-sized safety circuit breaker, which comprises a circuit breaker body, a circuit breaker clamping seat and a clamping rail, wherein the circuit breaker clamping seat is clamped on the clamping rail, the top of the circuit breaker clamping seat is fixedly clamped with the circuit breaker body through a clamping component, the clamping component comprises an elastic clamping column fixedly arranged on the top of the circuit breaker clamping seat, the plug-in type small-sized safety circuit breaker is provided with the elastic clamping column and is matched with a slot, a clamping groove, a moving disc, a wedge block, a screw rod, a first bevel gear, a second bevel gear and a rotating shaft, so that the rotating shaft can be meshed with the first bevel gear through the second bevel gear and drive the screw rod to rotate, the screw rod enables the moving disc in threaded connection with the outer side to move downwards, the moving disc drives the wedge block to move downwards at the time, and is inserted into an extrusion hole to enable two clamping blocks symmetrically arranged on the spring clamping column to be close to each other, thereby being capable of separating from the limitation of the clamping groove on the elastic clamping column, so that the circuit breaker body can be separated from the circuit breaker cassette.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a plug-in small-sized safety circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, the boundary line of the high voltage and the low voltage is divided more clearly, the circuit breaker is generally called as a high-voltage electrical appliance with the voltage of more than 3kV, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power supply circuit, the motor and the like are protected, when the circuit breaker has faults of serious overload, short circuit, undervoltage and the like, the circuit breaker can be automatically cut off, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, the method is widely applied, and power distribution is an extremely important link in the generation, transmission and use of electricity. The distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large use amount.
The current miniature circuit breaker generally adopts card rail mounting means, is exactly to the miniature circuit breaker joint on the card rail, when the circuit breaker produced the trouble and need dismantle the maintenance and change, need pull down the circuit breaker from the card rail, installs again, and it has other electrical components to go back the joint on the card rail, and the whole process of dismantling the installation is longer, so can not satisfy user's demand.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a small plug-in safety circuit breaker, which solves the above-mentioned problems of the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme:
the plug-in type small safe circuit breaker comprises a circuit breaker body, a circuit breaker clamping seat and a clamping rail, wherein the circuit breaker clamping seat is clamped on the clamping rail, the top of the breaker cassette is fixedly clamped with the breaker body through a clamping assembly, the clamping assembly comprises an elastic clamping column fixedly arranged at the top of the breaker cassette, the elastic clamping column comprises two elastic clamping blocks which are symmetrically arranged, the top of each elastic clamping block is provided with an extrusion hole, and the bottom of the breaker body is provided with a slot, the upper end of the slot is provided with a clamping groove, the inside of the clamping groove is rotatably provided with a screw rod, the outer side of the screw rod is in threaded connection with a movable disc, the bottom of the movable disc is fixedly connected with a wedge-shaped block, the wedge stretches into the inside in extrusion hole still including set up in be used for the drive on the circuit breaker body lateral wall lead screw pivoted drive assembly.
As a further scheme of the utility model: the driving assembly comprises a rotating shaft penetrating through the side wall of the circuit breaker body, a second bevel gear is fixedly connected to one end, stretching into the clamping groove, of the rotating shaft, a first bevel gear is fixedly connected to the outer side of the screw rod, and the first bevel gear is meshed with the second bevel gear.
As a further scheme of the utility model: one end fixedly connected with carousel of circuit breaker body is kept away from to the pivot.
As a further scheme of the utility model: the limiting groove has been seted up to the draw-in groove inner wall, the both sides fixedly connected with stopper of removal dish, the stopper is located the limiting groove inside slides.
As a further scheme of the utility model: and a control switch is arranged at the center of the upper surface of the breaker body.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the elastic clamping columns are arranged and the slot, the clamping groove, the moving disc, the wedge-shaped block, the screw rod, the first bevel gear, the second bevel gear and the rotating shaft are arranged in a matched manner, so that the rotating shaft can be rotated, the rotating shaft is meshed with the first bevel gear through the second bevel gear and drives the screw rod to rotate, the screw rod enables the moving disc in threaded connection with the outer side to move downwards, the moving disc drives the wedge-shaped block to move downwards, and the wedge-shaped block is inserted into the extrusion hole to enable the two clamping blocks symmetrically arranged on the spring clamping columns to be close to each other, so that the limitation of the clamping groove on the elastic clamping columns can be separated, and the breaker body can be separated from the breaker clamping seat.
Drawings
Fig. 1 is a schematic structural diagram of a plug-in type small safety circuit breaker.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a sectional view taken along line a-a in fig. 2.
Fig. 4 is an enlarged view of the portion B in fig. 2.
Fig. 5 is a schematic structural diagram of the clamping assembly in fig. 1.
In the figure, 1, a breaker body; 11. a slot; 12. a card slot; 121. a limiting groove; 13. a screw rod; 14. a first bevel gear; 15. a second bevel gear; 16. a rotating shaft; 17. a turntable; 18. a movable tray; 181. a limiting block; 182. a wedge block; 2. a control switch; 3. a breaker cassette; 31. an elastic clamping column; 311. extruding the hole; 4. and (5) clamping the rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in the embodiment of the utility model, the plug-in type small safety circuit breaker comprises a circuit breaker body 1, a circuit breaker clamping seat 3 and a clamping rail 4, a control switch 2 is arranged at the center of the upper surface of the circuit breaker body 1, the circuit breaker clamping seat 3 is clamped on the clamping rail 4, the top of the circuit breaker clamping seat 3 is fixedly clamped with the circuit breaker body 1 through a clamping assembly, the clamping assembly comprises an elastic clamping column 31 fixedly installed at the top of the circuit breaker clamping seat 3, the elastic clamping column 31 comprises two symmetrically arranged elastic clamping blocks, the top of the elastic clamping block is provided with an extrusion hole 311, the bottom of the circuit breaker body 1 is provided with a slot 11, the upper end of the slot 11 is provided with a clamping groove 12, the inner part of the clamping groove 12 is rotatably provided with a screw rod 13, the outer side of the screw rod 13 is in threaded connection with a movable disc 18, the inner wall of the clamping groove 12 is provided with a limiting groove 121, and two sides of the movable disc 18 are fixedly connected with limiting blocks 181, the limiting block 181 is positioned in the limiting groove 121 to slide, and the limiting groove 121 is formed in the clamping groove 12 and is matched with the limiting blocks 181 fixedly connected to two ends of the movable disc 18, so that the movable disc 18 can be limited, and the movable disc 18 is prevented from rotating along with the screw rod 13; the bottom of the movable disc 18 is fixedly connected with a wedge block 182, the wedge block 182 extends into the extrusion hole 311, and the circuit breaker further comprises a driving assembly which is arranged on the side wall of the circuit breaker body 1 and is used for driving the screw rod 13 to rotate, the driving assembly comprises a rotating shaft 16 which penetrates through the side wall of the circuit breaker body 1, one end, extending into the clamping groove 12, of the rotating shaft 16 is fixedly connected with a second bevel gear 15, the outer side of the screw rod 13 is fixedly connected with a first bevel gear 14, the first bevel gear 14 is meshed with the second bevel gear 15, and the rotating shaft 16 is meshed with the first bevel gear 14 through the second bevel gear 15 to enable the screw rod 13 to rotate by rotating the rotating shaft 16; one end fixedly connected with carousel 17 that circuit breaker body 1 was kept away from to pivot 16 is here through the terminal fixedly connected with carousel 17 at pivot 16 to can conveniently drive pivot 16 and rotate.
When the device is used, the slot 11 arranged on the breaker body 1 is aligned with the elastic clamping column 31, then, the circuit breaker body 1 is pressed, so that the elastic clamping column 31 penetrates through the slot 11 and extends into the clamping groove 12 to be clamped, so that the breaker body 1 is fixedly connected with the breaker cassette 3, when the breaker body 1 is required to be separated from the breaker cassette 3, the rotating disc 17 can be rotated, the rotating disc 17 drives the rotating shaft 16 to rotate, the rotating shaft 16 is meshed with the first bevel gear 14 through the second bevel gear 15 to drive the screw rod 13 to rotate, the screw rod 13 pushes the moving disc 18 in threaded connection to move downwards, so that the wedge 182 fixedly coupled to the lower side of the moving plate 18 is inserted into the inside of the pressing hole 311, and the elastic clamping blocks are extruded to enable the two elastic clamping blocks to be close to each other and fall off the limit of the clamping groove 12, so that the circuit breaker body 1 can be separated from the circuit breaker clamping seat 3.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. Plug-in type small-sized safety circuit breaker comprises a circuit breaker body (1), a circuit breaker clamping seat (3) and a clamping rail (4), and is characterized in that: the circuit breaker is characterized in that a circuit breaker clamping seat (3) is clamped on the clamping rail (4), the top of the circuit breaker clamping seat (3) is fixedly clamped with the circuit breaker body (1) through a clamping component, the clamping component comprises an elastic clamping column (31) fixedly installed at the top of the circuit breaker clamping seat (3), the elastic clamping column (31) comprises two elastic clamping blocks which are symmetrically arranged, an extrusion hole (311) is formed in the top of each elastic clamping block, an insertion groove (11) is formed in the bottom of the circuit breaker body (1), a clamping groove (12) is formed in the upper end of the insertion groove (11), a lead screw (13) is rotatably arranged in the clamping groove (12), a moving disc (18) is in threaded connection with the outer side of the lead screw (13), a wedge block (182) is fixedly connected to the bottom of the moving disc (18), and the wedge block (182) extends into the extrusion hole (311), the circuit breaker is characterized by further comprising a driving assembly arranged on the side wall of the circuit breaker body (1) and used for driving the screw rod (13) to rotate.
2. The pluggable miniature safety circuit breaker according to claim 1, characterized in that: the driving assembly comprises a rotating shaft (16) penetrating through the side wall of the circuit breaker body (1), a second bevel gear (15) is fixedly connected to one end, stretching into the clamping groove (12), of the rotating shaft (16), a first bevel gear (14) is fixedly connected to the outer side of the screw rod (13), and the first bevel gear (14) is meshed with the second bevel gear (15).
3. The pluggable miniature safety circuit breaker according to claim 2, characterized in that: the rotating shaft (16) is far away from one end of the circuit breaker body (1) and is fixedly connected with a turntable (17).
4. The pluggable miniature safety circuit breaker according to claim 1, characterized in that: limiting grooves (121) are formed in the inner walls of the clamping grooves (12), limiting blocks (181) are fixedly connected to the two sides of the movable disc (18), and the limiting blocks (181) are located in the limiting grooves (121) and slide.
5. The pluggable miniature safety circuit breaker according to claim 1, characterized in that: the circuit breaker is characterized in that a control switch (2) is arranged at the center of the upper surface of the circuit breaker body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220174269.1U CN216648189U (en) | 2022-01-23 | 2022-01-23 | Plug-in small safety circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220174269.1U CN216648189U (en) | 2022-01-23 | 2022-01-23 | Plug-in small safety circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216648189U true CN216648189U (en) | 2022-05-31 |
Family
ID=81728930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220174269.1U Expired - Fee Related CN216648189U (en) | 2022-01-23 | 2022-01-23 | Plug-in small safety circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216648189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117452210A (en) * | 2023-12-20 | 2024-01-26 | 中宝电气有限公司 | Circuit breaker testing device and testing method |
-
2022
- 2022-01-23 CN CN202220174269.1U patent/CN216648189U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117452210A (en) * | 2023-12-20 | 2024-01-26 | 中宝电气有限公司 | Circuit breaker testing device and testing method |
| CN117452210B (en) * | 2023-12-20 | 2024-03-26 | 中宝电气有限公司 | Circuit breaker testing device and testing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |