CN212322926U - Low-voltage circuit breaker - Google Patents
Low-voltage circuit breaker Download PDFInfo
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- CN212322926U CN212322926U CN202021516381.6U CN202021516381U CN212322926U CN 212322926 U CN212322926 U CN 212322926U CN 202021516381 U CN202021516381 U CN 202021516381U CN 212322926 U CN212322926 U CN 212322926U
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Abstract
The utility model relates to a low-voltage circuit breaker, including heat dissipation shell, low-voltage circuit breaker main part, solidus frame, solidus board and fixed establishment, the both ends department of the positive both sides of heat dissipation shell is equipped with the recess, the inside embedding of recess has fixed establishment, the inside fixed mounting of heat dissipation shell has the low-voltage circuit breaker main part, the both ends department of low-voltage circuit breaker main part both sides is equipped with the jack, the positive bottom of heat dissipation shell and top fixed mounting have the solidus frame, first protection pad has been pasted to the interior bottom of solidus frame. The utility model discloses set up solidus frame, clamping screw and solidus board, when the wiring to the low-voltage circuit breaker main part, outside wiring passes the solidus frame, then twists and move clamping screw and drive the solidus integrated circuit board and live the wire, fixes the wire to can effectually avoid appearing the phenomenon that wire and low-voltage circuit breaker main part break away from, the condition that the external connection drops from low-voltage circuit breaker has been solved to this application technical scheme easily.
Description
Technical Field
The utility model relates to a low-voltage circuit breaker technical field, concretely relates to low-voltage circuit breaker.
Background
The low-voltage circuit breaker (once called automatic switch) is a switching device which not only can connect and disconnect normal load current and overload current, but also can connect and disconnect short-circuit current, besides its control function, it also has a certain protection function in the circuit, such as overload, short-circuit, under-voltage and leakage protection, etc., and its classification mode is many, and according to the application class, there are selective type (its protection device parameter is adjustable) and non-selective type (its protection device parameter is not adjustable), and according to the arc-extinguishing medium, there are air type and vacuum type (at present, most of domestic products are air type), and its capacity range is very large, minimum is 4A, and maximum can be 5000A, and the low-voltage circuit breaker can be extensively used in all-stage feed-out lines of low-voltage distribution system, power supply control of various mechanical equipment and control and protection of electric terminal.
The existing low-voltage circuit breaker is generally installed through bolts, and the installation and the disassembly are not convenient enough.
The existing low-voltage circuit breaker has poor heat dissipation performance, and the interior of the low-voltage circuit breaker is easy to overheat when in use, so that the service life of internal elements of the low-voltage circuit breaker is influenced.
The existing low-voltage circuit breaker is lack of a wire fixing mechanism, and the phenomenon that wiring falls off frequently occurs in the use process, so that the existing problem is solved by providing the low-voltage circuit breaker.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a low-voltage circuit breaker to solve the condition that prior art low-voltage circuit breaker dismantles the installation convenient enough, low-voltage circuit breaker heat dispersion is relatively poor and the external connection drops from low-voltage circuit breaker easily.
The utility model discloses a following technical scheme realizes:
the utility model provides a low-voltage circuit breaker, includes heat dissipation shell, low-voltage circuit breaker main part, solidus frame, solidus board and fixed establishment, the both ends department of the positive both sides of heat dissipation shell is equipped with the recess, the inside embedding of recess has fixed establishment, the inside fixed mounting of heat dissipation shell has the low-voltage circuit breaker main part, the both ends department of low-voltage circuit breaker main part both sides is equipped with the jack, the positive bottom of heat dissipation shell and top fixed mounting have the solidus frame, first protection pad has been pasted to the interior bottom of solidus frame, the both ends fixed mounting at solidus frame top has clamping screw, fixed mounting has the solidus board between the clamping screw, the solidus board is located the inside of solidus frame.
Further, there is a limiting plate inside the fixing mechanism through spring fixed mounting, there is an insert rod fixed mounting at the central position of one side of the limiting plate, the insert rod extends to the outside of the fixing mechanism, there is a pull rod fixed mounting at the central position of the other side of the limiting plate, and there is a pull ring fixed mounting at the outside end of the pull rod extending to the fixing mechanism.
Furthermore, the outer side of the heat dissipation shell is provided with heat dissipation fins, and the surfaces of the heat dissipation fins are provided with round holes.
Furthermore, the bottom of the wire fixing plate is provided with a limiting groove, and a second protective pad is adhered to the inner wall of the limiting groove.
Furthermore, the top end of the fixing screw rod is fixedly provided with a screwing block, and the bottom end of the fixing screw rod is provided with a bearing seat.
Further, the positive central point department of putting of low voltage circuit breaker main part is equipped with the plug-in strip, the low voltage circuit breaker main part openly is equipped with the work pilot lamp below being located the plug-in strip, the positive top of low voltage circuit breaker main part and bottom are equipped with the wiring groove of three equidistance of group, and the inside fixed mounting in wiring groove has the wiring bolt.
The beneficial effects of the utility model reside in that:
1. this low voltage circuit breaker has set up fixed establishment, when installation low voltage circuit breaker main part, pull ring drive inserted bar on the handheld fixed knot structure moves to the inboard, then go into low voltage circuit breaker main part card inside the heat dissipation shell, then loosen the pull ring, promote inside the jack of inserted bar insertion low voltage circuit breaker main part under the effect of spring, thereby accomplish the installation to the low voltage circuit breaker main part, when needs are dismantled, handheld pull ring pulling inserted bar breaks away from the jack, then can dismantle the low voltage circuit breaker main part from the heat dissipation shell, make things convenient for the dismantlement installation of low voltage circuit breaker main part, the not convenient enough problem of low voltage circuit breaker dismantlement installation has been solved to this application technical scheme.
2. This low voltage circuit breaker has set up the heat dissipation shell, and when low voltage circuit breaker main part work, the heat that the low voltage circuit breaker main part produced is quick is absorbed by the heat dissipation shell, then the heat gives off to the external world through heat radiation fins is quick, improves the heat dispersion of low voltage circuit breaker main part, avoids the inside overheated electrical components that leads to its inside to shorten of low voltage circuit breaker main part during operation, and the relatively poor problem of low voltage circuit breaker heat dispersion has been solved to this application technical scheme.
3. This low voltage circuit breaker has set up solidus frame, clamping screw and solidus board, and when the wiring to the low voltage circuit breaker main part, outside wiring passes the solidus frame, then twists clamping screw and drive the solidus integrated circuit board and live the wire, fixes the wire to can effectually avoid appearing the phenomenon that wire and low voltage circuit breaker main part break away from, the condition that the outside wiring drops from the low voltage circuit breaker easily has been solved to this application technical scheme.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the wire fixing frame shown in fig. 1 according to the present invention;
fig. 3 is a partial enlarged view of a in fig. 1 according to the present invention.
In the figure: 1. a heat dissipation housing; 101. heat dissipation fins; 102. a circular hole; 2. a low-voltage circuit breaker main body; 201. a knife switch; 202. a work indicator light; 203. a wiring slot; 204. a wiring bolt; 3. a wire fixing frame; 301. a first protective pad; 4. fixing the screw rod; 401. twisting the block; 402. a bearing seat; 5. a wire fixing plate; 501. a limiting groove; 502. a second protective pad; 6. a groove; 7. a fixing mechanism; 701. a spring; 702. a limiting plate; 703. inserting a rod; 704. a pull rod; 705. a pull ring; 8. and (4) inserting the jack.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the above description of the present invention, it should be noted that the terms "one side" and "the other side" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, or the position or the positional relationship which is usually placed when the product of the present invention is used, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Further, the term "identical" and the like do not mean that the components are absolutely required to be identical, but may have slight differences. The term "perpendicular" merely means that the positional relationship between the components is more perpendicular than "parallel", and does not mean that the structure must be perfectly perpendicular, but may be slightly inclined.
Referring to fig. 1-3, the present invention provides a technical solution: a low-voltage circuit breaker comprises a heat dissipation shell 1, a low-voltage circuit breaker main body 2, a wire fixing frame 3, a wire fixing plate 5 and a fixing mechanism 7, wherein grooves 6 are arranged at two ends of two front sides of the heat dissipation shell 1, when the low-voltage circuit breaker main body 2 works, the heat dissipation shell 1 can absorb heat, the heat dissipation performance of the low-voltage circuit breaker main body 2 is improved, the service life of electrical components inside the low-voltage circuit breaker main body 2 is prevented from being shortened due to internal overheating of the low-voltage circuit breaker main body 2 in the working process, the fixing mechanism 7 is embedded inside the grooves 6, the fixing mechanism 7 is used for fixing the low-voltage circuit breaker main body 2 inside the heat dissipation shell 1, the low-voltage circuit breaker main body 2 is fixedly installed inside the heat dissipation shell 1, jacks 8 are arranged at two ends of two sides of the low-voltage circuit breaker main body 2, the jacks 8 are convenient for inserting of plug, first protection pad 301 has been pasted to the interior bottom of solidus frame 3, first protection pad 301 plays the guard action to the surface of wire, the protective layer of avoiding the wire receives wearing and tearing, the both ends at 3 tops of solidus frame have fixing screw 4 through helicitic texture fixed mounting, fixed mounting has solidus board 5 between fixing screw 4, solidus board 5 is located the inside of solidus frame 3, outside wiring passes solidus frame 3 and is connected with low voltage circuit breaker main part 2, then twist fixing screw 4, fixing screw 4 drives solidus board 5 and moves downwards and block the wiring, thereby fix the wiring, avoid wiring and low voltage circuit breaker main part 2 to drop.
The utility model discloses in: a limiting plate 702 is welded in the fixing mechanism 7 through a spring 701, an inserting rod 703 is welded at the central position of one side of the limiting plate 702, the inserting rod 703 extends to the outer side of the fixing mechanism 7, a pull rod 704 is welded at the central position of the other side of the limiting plate 702, the pull rod 704 extends to the outer side end of the fixing mechanism 7 and is welded with a pull ring 705, when the low-voltage circuit breaker main body 2 is installed, the insertion rod 703 is moved inward by the pull ring 705 held by hand, the low-voltage circuit breaker body 2 is then snapped inside the heat-dissipating casing 1, and then the pull ring 705 is released, the insertion rod 703 is pushed by the spring 701 to be inserted inside the insertion hole 8 of the low-voltage circuit breaker body 2, thus completing the installation of the main body 2 of the low-voltage circuit breaker, when needing to be disassembled, the hand-held pull ring 705 pulls the plug rod 703 to be separated from the plug hole 8, then can dismantle low voltage circuit breaker main part 2 from heat dissipation shell 1, make things convenient for the dismantlement installation of low voltage circuit breaker main part 2.
The utility model discloses in: the heat dissipation shell 1 is provided with heat dissipation fins 101 on the outer side, the surface of the heat dissipation fins 101 is provided with round holes 102, the round holes 102 increase the surface area of the heat dissipation fins 101, the heat dissipation rate of the heat dissipation fins 101 is improved, the heat dissipation shell 1 absorbs heat generated when the low-voltage circuit breaker main body 2 works, then the heat is transferred to the heat dissipation fins 101, and the heat dissipation fins 101 quickly dissipate the heat to the outside, so that internal overheating of the low-voltage circuit breaker main body 2 during working can be avoided.
The utility model discloses in: the bottom of solidus board 5 is equipped with spacing groove 501, and second protection pad 502 has been pasted to the inner wall of spacing groove 501, and the spacing groove 501 card of solidus board 5 bottom is on outside wiring, and it is spacing to the wiring, avoids the wiring to slide, and second protection pad 502 and wiring contact avoid producing wearing and tearing to the inoxidizing coating of wiring when fixed wiring.
The utility model discloses in: the welding of the top of clamping screw 4 has wrong piece 401, twists piece 401 and is convenient for that personnel are handheld to twist and move clamping screw 4, and clamping screw 4's bottom is equipped with bearing frame 402, and clamping screw 4 passes through bearing frame 402 and 5 fixed connection of solidus board for can drive solidus board 5 downstream when personnel twist clamping screw 4.
The utility model discloses in: the positive central point department of low voltage circuit breaker main part 2 is equipped with plug-in strip 201, the operating condition of low voltage circuit breaker main part 2 is regulated and control to plug-in strip 201, the below that low voltage circuit breaker main part 2 openly is located plug-in strip 201 is equipped with work pilot lamp 202, work pilot lamp 202 lights and indicates that low voltage circuit breaker main part 2 normally works, the positive top of low voltage circuit breaker main part 2 and bottom are equipped with the wiring groove 203 of three equidistance of group, there is wiring bolt 204 inside wiring groove 203 through helicitic texture fixed mounting, inside external connection inserts wiring groove 203, then twist wiring bolt 204 and fix the terminal.
The working principle is as follows: when the low-voltage circuit breaker is mounted, a person holds the pull ring 705 to drive the plug rod 703 to move inwards, then the low-voltage circuit breaker main body 2 is clamped into the heat dissipation shell 1, then the pull ring 705 is loosened, the plug rod 703 is pushed to be inserted into the jack 8 of the low-voltage circuit breaker main body 2 under the action of the spring 701, so that the low-voltage circuit breaker main body 2 is mounted, when the low-voltage circuit breaker main body 2 needs to be dismounted, the plug rod 703 is pulled by holding the pull ring 705 to be separated from the jack 8, then the low-voltage circuit breaker main body 2 can be dismounted from the heat dissipation shell 1, the low-voltage circuit breaker main body 2 is convenient to dismount and mount, then external wiring passes through the wire fixing frame 3 to be inserted into the wiring groove 203 of the low-voltage circuit breaker main body 2, then the wiring bolt 204 is screwed to fix the wiring, then the fixing screw rod 4 is screwed through the, avoid the wiring to break away from with low voltage circuit breaker main part 2, in the work of low voltage circuit breaker main part 2, heat dissipation shell 1 absorbs the heat of low voltage circuit breaker main part 2 during operation, then transmits the heat to heat radiation fins 101 again, and heat radiation fins 101 are quick gives off the heat to the external world to can avoid the inside overheat of low voltage circuit breaker main part 2 during operation.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. The utility model provides a low-voltage circuit breaker, includes heat dissipation shell (1), low-voltage circuit breaker main part (2), solidus frame (3), solidus board (5) and fixed establishment (7), its characterized in that: the utility model discloses a heat dissipation shell (1) is fixed on the casing, the both ends department of the positive both sides of heat dissipation shell (1) is equipped with recess (6), the inside embedding of recess (6) has fixed establishment (7), the inside fixed mounting of heat dissipation shell (1) has low voltage circuit breaker main part (2), the both ends department of low voltage circuit breaker main part (2) both sides is equipped with jack (8), the positive bottom and the top fixed mounting of heat dissipation shell (1) have solidus frame (3), first protection pad (301) have been pasted to the interior bottom of solidus frame (3), the both ends fixed mounting at solidus frame (3) top has clamping screw (4), fixed mounting has solidus board (5) between clamping screw (4), solidus board (5) are located the inside of solidus frame (3).
2. A low-voltage circuit breaker as claimed in claim 1, characterized in that: the inside of fixed establishment (7) has limiting plate (702) through spring (701) fixed mounting, and central point department fixed mounting of limiting plate (702) one side has inserted bar (703), and inserted bar (703) extend to the outside of fixed establishment (7), and central point department fixed mounting of limiting plate (702) opposite side has pull rod (704), and pull rod (704) extend to the outside fixed mounting of fixed establishment (7) has pull ring (705).
3. A low-voltage circuit breaker as claimed in claim 1, characterized in that: the outer side of the radiating shell (1) is provided with radiating fins (101), and the surface of each radiating fin (101) is provided with a round hole (102).
4. A low-voltage circuit breaker as claimed in claim 1, characterized in that: the bottom of the wire fixing plate (5) is provided with a limiting groove (501), and a second protective pad (502) is adhered to the inner wall of the limiting groove (501).
5. A low-voltage circuit breaker as claimed in claim 1, characterized in that: the top end of the fixed screw rod (4) is fixedly provided with a screwing block (401), and the bottom end of the fixed screw rod (4) is provided with a bearing seat (402).
6. A low-voltage circuit breaker as claimed in claim 1, characterized in that: the positive central point department of putting of low voltage circuit breaker main part (2) is equipped with plug-in strip (201), the below that low voltage circuit breaker main part (2) openly is located plug-in strip (201) is equipped with work pilot lamp (202), the positive top of low voltage circuit breaker main part (2) and bottom are equipped with wiring groove (203) of three equidistance of group, and the inside fixed mounting of wiring groove (203) has wiring bolt (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021516381.6U CN212322926U (en) | 2020-07-28 | 2020-07-28 | Low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021516381.6U CN212322926U (en) | 2020-07-28 | 2020-07-28 | Low-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212322926U true CN212322926U (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021516381.6U Active CN212322926U (en) | 2020-07-28 | 2020-07-28 | Low-voltage circuit breaker |
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|---|---|
| CN (1) | CN212322926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539756A (en) * | 2021-06-21 | 2021-10-22 | 盐城爱扬电力器材有限公司 | Intelligent circuit breaker with fire alarm function |
-
2020
- 2020-07-28 CN CN202021516381.6U patent/CN212322926U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539756A (en) * | 2021-06-21 | 2021-10-22 | 盐城爱扬电力器材有限公司 | Intelligent circuit breaker with fire alarm function |
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