CN209993555U - High miniature circuit breaker of security - Google Patents

Abstract

The utility model discloses a high miniature circuit breaker of security, which comprises a mounting bracket, the inner chamber swing joint of mounting bracket has miniature circuit breaker, the fixed orifices has all been seted up to the both sides of mounting bracket bottom, the inner chamber of fixed orifices is provided with expansion bolts, miniature circuit breaker's the equal fixedly connected with limiting plate in both sides, the spout with the limiting plate looks adaptation is all seted up to the both sides of mounting bracket inner chamber, the equal fixedly connected with locking piece in both sides of mounting bracket, the bottom fixedly connected with mount of locking piece inner chamber. The utility model discloses a cooperation of spout, mount, montant, first spring, first wedge, second wedge, first connecting block, fixture block and draw-in groove is used, has solved the low problem of current small-size short circuiter security, and this high miniature circuit breaker of security possesses the high advantage of security, has made things convenient for the user to use, has solved miniature circuit breaker's potential safety hazard, has improved miniature circuit breaker's practicality.

Description

High miniature circuit breaker of security

Technical Field

The utility model relates to a circuit breaker technical field specifically is a high miniature circuit breaker of security.

Background

The circuit breaker is a switching device capable of closing, bearing and opening a current under a normal circuit condition and closing, bearing and opening a current under an abnormal circuit condition within a specified time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the use range, the division of the high-voltage and low-voltage boundary lines is fuzzy, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power supply line, the motor and the like are protected, the circuit can be automatically cut off when the circuit breaker has serious overload or short-circuit, undervoltage and other faults, the function of the circuit breaker is equivalent to the combination of a fuse type switch and an over-under-heat relay and the like, and parts are generally not required to be changed after the fault current is divided, so that the circuit breaker is widely applied at.

One of the common devices in the field of miniature circuit breaker type circuit breakers, however, the bolt easily loses the fastening capacity after the installation under the condition of long-time use or insufficient wall surface tension, and the miniature circuit breaker easily drops in the use process, brings the potential safety hazard, and reduces the practicability of the miniature circuit breaker.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high miniature circuit breaker of security possesses the high advantage of security, has solved the low problem of current small-size short circuiter security.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high miniature circuit breaker of security, includes the mounting bracket, the inner chamber swing joint of mounting bracket has miniature circuit breaker, the fixed orifices has all been seted up to the both sides of mounting bracket bottom, the inner chamber of fixed orifices is provided with expansion bolts, the equal fixedly connected with limiting plate in both sides of miniature circuit breaker, the spout with limiting plate looks adaptation is all seted up to the both sides of mounting bracket inner chamber.

The spring pipe fixing device comprises a mounting frame, a vertical rod, a first spring, a spring pipe cavity, a second spring, a baffle plate, a fixing block, a spring pipe cavity, a spring pipe, a baffle plate, a fixing block, a spring pipe, a spring, the top fixedly connected with first connecting block of second wedge, one side fixedly connected with fixture block of first connecting block, the draw-in groove with fixture block looks adaptation is seted up to one side of limiting plate, one side that first connecting block was kept away from to the fixture block runs through to the inner chamber of draw-in groove.

Preferably, the top of the fixing frame is provided with a through hole matched with the vertical rod, and the inner wall of the through hole is smooth.

Preferably, the top and the bottom in the spring tube inner chamber have all been seted up the second spacing groove, the inner chamber swing joint in second spacing groove has the stopper, one side and baffle fixed connection that the second spacing groove was kept away from to the stopper.

Preferably, the bottom of the vertical rod penetrates through the outer side of the locking block and is fixedly connected with the push plate.

Preferably, the top fixedly connected with second connecting block of first connecting block, one side that first connecting block was kept away from to the second connecting block runs through to the outside of locking piece and fixedly connected with fixed plate, the first spacing groove with second connecting block looks adaptation is seted up at the top of locking piece.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation of spout, mount, montant, first spring, first wedge, second wedge, first connecting block, fixture block and draw-in groove is used, has solved the low problem of current small-size short circuiter security, and this high miniature circuit breaker of security possesses the high advantage of security, has made things convenient for the user to use, has solved miniature circuit breaker's potential safety hazard, has improved miniature circuit breaker's practicality.

2. The utility model discloses a cooperation of second spacing groove and stopper is used, can carry on spacingly to the baffle, has improved the stability when the baffle slides, through the setting of push pedal, has increased the area of contact of user's palm with the montant, has made things convenient for the user to promote the montant, uses through the cooperation of second connecting block, fixed plate and first spacing groove, can carry out spacing and support to first connecting block, has improved stability when first connecting block slides.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a perspective view of the structure of the limiting plate of the present invention.

In the figure: 1. a mounting frame; 2. a miniature circuit breaker; 3. a fixing hole; 4. an expansion bolt; 5. a limiting plate; 6. a chute; 7. a locking block; 8. a fixed mount; 9. a vertical rod; 10. a first spring; 11. a first wedge block; 12. a second wedge block; 13. a spring tube; 14. a second spring; 15. a baffle plate; 16. a fixed block; 17. a first connection block; 18. a second connecting block; 19. a fixing plate; 20. a first limit groove; 21. a clamping block; 22. a card slot; 23. a through hole; 24. a second limit groove; 25. a limiting block; 26. a push plate.

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. 1-4, the present invention provides a technical solution: the utility model provides a high miniature circuit breaker of security, includes mounting bracket 1, and the inner chamber swing joint of mounting bracket 1 has miniature circuit breaker 2, and fixed orifices 3 have all been seted up to the both sides of mounting bracket 1 bottom, and the inner chamber of fixed orifices 3 is provided with expansion bolts 4, the equal fixedly connected with limiting plate 5 in both sides of miniature circuit breaker 2, and spout 6 with the 5 looks adaptations of limiting plate is all seted up to the both sides of the inner chamber of mounting bracket 1.

The two sides of the mounting rack 1 are fixedly connected with locking blocks 7, the bottom of the inner cavity of each locking block 7 is fixedly connected with a fixing rack 8, the bottom of each fixing rack 8 is provided with a vertical rod 9 in a penetrating manner, the surface of each vertical rod 9 is sleeved with a first spring 10, the top of each first spring 10 is fixedly connected with the fixing rack 8, the bottom of each first spring 10 is fixedly connected with the corresponding vertical rod 9, the top of each vertical rod 9 penetrates through the top of the corresponding fixing rack 8 and is fixedly connected with a first wedge block 11, the top of each first wedge block 11 is movably connected with a second wedge block 12, one side of each second wedge block 12 is fixedly connected with a spring pipe 13, the right side of the inner cavity of each spring pipe 13 is fixedly connected with a second spring 14, the surface of each second spring 14 is movably connected with the spring pipe 13, the left side of each second spring 14 is fixedly connected with a baffle 15, the left side of each baffle 15 is fixedly connected with a, the top of second wedge 12 is fixedly connected with first connecting block 17, and one side fixedly connected with fixture block 21 of first connecting block 17, the draw-in groove 22 with fixture block 21 looks adaptation is seted up to one side of limiting plate 5, and one side that first connecting block 17 was kept away from to fixture block 21 runs through to the inner chamber of draw-in groove 22.

The utility model discloses in: the top of the fixing frame 8 is provided with a through hole 23 matched with the vertical rod 9, and the inner wall of the through hole 23 is smooth.

The utility model discloses in: second spacing groove 24 has all been seted up to the top and the bottom of the inner chamber of spring pipe 13, and the inner chamber swing joint of second spacing groove 24 has stopper 25, and stopper 25 keeps away from one side and baffle 15 fixed connection of second spacing groove 24, uses through the cooperation of second spacing groove 24 and stopper 25, can carry on spacingly to baffle 15, has improved the stability when baffle 15 slides.

The utility model discloses in: the bottom of montant 9 runs through to the outside of locking piece 7 and fixedly connected with push pedal 26, through the setting of push pedal 26, has increased the area of contact of user's palm with montant 9, has made things convenient for the user to promote montant 9.

The utility model discloses in: top fixedly connected with second connecting block 18 of first connecting block 17, one side that first connecting block 17 was kept away from to second connecting block 18 runs through to the outside of locking piece 7 and fixedly connected with fixed plate 19, first spacing groove 20 with 18 looks adaptations of second connecting block is seted up at the top of locking piece 7, through second connecting block 18, fixed plate 19 and first spacing groove 20's cooperation is used, can carry out spacing and support to first connecting block 17, stability when having improved first connecting block 17 and having slided.

The working principle is as follows: the utility model discloses during the use, the user is through promoting push pedal 26, push pedal 26 drives montant 9 and removes, montant 9 drives mount 8 and the removal of first wedge 11, first spring 10 atress is tensile, first wedge 11 drives the removal of second wedge 12 through the inclined plane, second wedge 12 drives spring pipe 13 and the removal of first connecting block 17, second spring 14 atress shrink under baffle 15 and the cooperation of fixed block 16 are used, first connecting block 17 drives the inner chamber of fixture block 21 slip-in locking piece 7, put into mounting bracket 1's inner chamber with miniature circuit breaker 2, loosen push pedal 26, fixture block 21 card goes into the inner chamber of draw-in groove 22, can fix miniature circuit breaker 2 promptly, the high mesh of security has been reached promptly.

In summary, the following steps: this high miniature circuit breaker of security uses through the cooperation of spout 6, mount 8, montant 9, first spring 10, first wedge 11, second wedge 12, first connecting block 17, fixture block 21 and draw-in groove 22, has solved the problem that current small-size short circuiter security is low.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 a high miniature circuit breaker of security, includes mounting bracket (1), its characterized in that: the inner cavity of the mounting frame (1) is movably connected with a miniature circuit breaker (2), two sides of the bottom of the mounting frame (1) are respectively provided with a fixed hole (3), an inner cavity of each fixed hole (3) is provided with an expansion bolt (4), two sides of the miniature circuit breaker (2) are respectively and fixedly connected with a limiting plate (5), and two sides of the inner cavity of the mounting frame (1) are respectively provided with a sliding groove (6) matched with the limiting plate (5);

the spring support is characterized in that both sides of the mounting rack (1) are fixedly connected with locking blocks (7), the bottom of the inner cavity of each locking block (7) is fixedly connected with a fixing frame (8), a vertical rod (9) penetrates through the bottom of the fixing frame (8), a first spring (10) is sleeved on the surface of the vertical rod (9), the top of the first spring (10) is fixedly connected with the fixing frame (8), the bottom of the first spring (10) is fixedly connected with the vertical rod (9), the top of the vertical rod (9) penetrates through the top of the fixing frame (8) and is fixedly connected with a first wedge block (11), the top of the first wedge block (11) is movably connected with a second wedge block (12), one side of the second wedge block (12) is fixedly connected with a spring pipe (13), the right side of the inner cavity of the spring pipe (13) is fixedly connected with a second spring (14), and the surface of the second spring (14) is movably connected with the spring pipe (13), left side fixedly connected with baffle (15) of second spring (14), left side fixedly connected with fixed block (16) of baffle (15), one side that baffle (15) were kept away from in fixed block (16) run through to the outside of spring pipe (13) and with locking piece (7) fixed connection, the first connecting block (17) of top fixedly connected with of second wedge (12), one side fixedly connected with fixture block (21) of first connecting block (17), draw-in groove (22) with fixture block (21) looks adaptation are seted up to one side of limiting plate (5), one side that first connecting block (17) were kept away from in fixture block (21) runs through to the inner chamber of draw-in groove (22).

2. A high-safety small-sized circuit breaker according to claim 1, wherein: the top of the fixing frame (8) is provided with a through hole (23) matched with the vertical rod (9), and the inner wall of the through hole (23) is smooth.

3. A high-safety small-sized circuit breaker according to claim 1, wherein: second spacing groove (24) have all been seted up to the top and the bottom of spring pipe (13) inner chamber, the inner chamber swing joint of second spacing groove (24) has stopper (25), one side and baffle (15) fixed connection that second spacing groove (24) were kept away from in stopper (25).

4. A high-safety small-sized circuit breaker according to claim 1, wherein: the bottom of the vertical rod (9) penetrates through the outer side of the locking block (7) and is fixedly connected with a push plate (26).

5. A high-safety small-sized circuit breaker according to claim 1, wherein: the top fixedly connected with second connecting block (18) of first connecting block (17), one side that first connecting block (17) was kept away from in second connecting block (18) runs through to the outside and fixedly connected with fixed plate (19) of locking piece (7), first spacing groove (20) with second connecting block (18) looks adaptation are seted up at the top of locking piece (7).

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