Plug-in miniature circuit breaker
Technical Field
The utility model belongs to the technical field of miniature circuit breakers, and particularly relates to a plug-in miniature circuit breaker.
Background
The miniature circuit breaker is a low-voltage circuit breaker used on a line with rated voltage of 230/400V and rated current of less than 63A at 50/60Hz, is commonly used in places such as industry, business, high-rise and civil houses, is usually clamped on a clamping rail and is fixed in a screw mode and the like, and other equipment is also arranged on the clamping rail, so that the miniature circuit breaker needs to be detached entirely with a connecting device when the miniature circuit breaker breaks down or needs to be replaced, and the miniature circuit breaker is inconvenient to detach, thereby reducing the continuous power supply efficiency of the miniature circuit breaker.
The traditional Chinese patent number is CN211294996U breaker, which comprises a breaker main body, wiring grooves, a protection component and a button, wherein the wiring grooves are formed in the upper side and the lower side of the inside of the breaker main body, the button is arranged on the front end face of the breaker main body, the protection component is arranged on the front side of the button, the protection component comprises a mounting seat, a protection cover, a storage groove, a brace rod, a magnet block, a rotating pin, a buckling block, a buckling groove and an elastic buckle, the mounting seat is arranged on the rear end face of the button, the storage groove is symmetrically formed in the left side and the right side of the front end face of the mounting seat, the brace rod is internally arranged in the storage groove, the rotating pin is arranged on the lower side of the inside of the brace rod, the brace rod is connected with the inner wall of the storage groove through the rotating pin, the magnet block is fixed on the upper side of the inside of the storage groove, the protection cover is arranged on the front end face of the mounting seat, the buckling groove is formed in the lower side of the front end face of the mounting seat, the buckling block is arranged on the lower side of the rear end face of the protection cover, and the elastic buckle is arranged on the lower end face. "
It is known that the cited patent document has a problem that the circuit breaker cannot be easily detached by fixing the circuit breaker with screws.
Disclosure of utility model
The utility model aims to provide a plug-in miniature circuit breaker so as to solve the problems in the background technology.
In order to achieve the purpose, the plug-in miniature circuit breaker comprises a fixed block, wherein moving blocks are arranged on two side surfaces of the fixed block in a penetrating mode, moving plates are symmetrically arranged at opposite ends of the two moving blocks, racks are arranged on opposite side surfaces of the two moving plates, gears are arranged between the two racks and are meshed with the two racks respectively, a telescopic rod and a fixed rod are arranged on one side surface of the two moving blocks, a rotating shaft is fixedly connected to the bottom surface of the gears, the free end of the rotating shaft is rotatably connected with the bottom surface of an inner cavity of the fixed block, auxiliary teeth are fixedly sleeved on the periphery of the rotating shaft, a rotating column is arranged on one side of the auxiliary teeth, conical teeth matched with the auxiliary teeth are fixedly sleeved on one end of the rotating column, and a rotating disc is fixedly connected to the other end of the rotating column.
Preferably, the turntable is arranged at one side of the fixed block, and a plurality of embedded holes are formed in a side annular array of the fixed block facing the turntable.
Preferably, a through hole is formed in one side surface of the rotary table in a penetrating mode, an adaptive sliding column is arranged in an inner cavity of the through hole, and limiting blocks matched with the embedded holes are fixedly arranged at two ends of the sliding column.
Preferably, rectangular grooves for the moving block to pass through are formed in two side faces of the fixed block, and the two fixed rods are welded on one side face of the moving block.
Preferably, the two telescopic rods are sleeved on the periphery of the fixed rod, and a plurality of clamping holes are symmetrically formed in one side face of the fixed rod and one side face of the telescopic rod.
Preferably, the inner cavity of the clamping hole is provided with bolts for fixing the fixing rod and the telescopic rods, and one side surface of the fixing block, facing the two telescopic rods, is provided with a soft cushion.
Preferably, two the telescopic link is kept away from the baffle that the dead lever was restricted is connected with, the bottom surface of fixed block is connected with the backing plate that supports miniature circuit breaker.
Compared with the prior art, the utility model has the technical effects and advantages that:
This plug-in miniature circuit breaker, miniature circuit breaker can be placed on the backing plate to through fixed block plug on the guide rail, and then let the fixed block can take miniature circuit breaker to remove on the guide rail, thereby conveniently remove miniature circuit breaker's position on the guide rail, avoid miniature circuit breaker can fix on the guide rail and hinder the installation of other equipment.
And can let two movable blocks carry telescopic link and dead lever and remove, carry out the centre gripping to miniature circuit breaker fixedly, and then conveniently dismantle miniature circuit breaker, maintain or change, through setting up of gear and tooth, can remove two movable blocks of synchronous drive, supplementary telescopic link is fixed miniature circuit breaker's centre gripping, and telescopic link and a plurality of draw-in holes of bolt and a plurality of card that dead lever side set up, can carry out the centre gripping to miniature circuit breaker of equidimension not fixedly, improve miniature circuit breaker and last the efficiency of supplying power.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the inside of the fixing block of the present utility model;
FIG. 3 is a schematic view of the structure of the rack and pinion of the present utility model;
Fig. 4 is a schematic structural view of the turntable and the fitting hole of the present utility model.
Reference numerals illustrate:
In the figure, 1, a fixed block; 2, a moving block, 3, a moving plate, 4, a rack, 5, a gear, 6, a rotating shaft, 7, auxiliary teeth, 8, conical teeth, 9, a rotating column, 10, a turntable, 11, a through hole, 12, a sliding column, 13, a limiting block, 14, a jogged hole, 15, a telescopic rod, 16, a fixed rod, 17, a clamping hole, 18, a bolt, 19 and a base plate.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.
Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present utility model, and are described herein together.
The connection mode can adopt the prior modes such as bonding, welding, bolting and the like, and is based on the actual requirement.
The pluggable miniature circuit breaker as shown in fig. 1 to 4 comprises a fixed block 1, wherein one side surface of the fixed block 1 can be plugged on a guide rail, the miniature circuit breaker is driven to move on the guide rail through the fixed block 1, the miniature circuit breaker fixedly installed on the guide rail can prevent the installation of other equipment from being blocked, the situation that the installation of other equipment is blocked and then the installation is required to be completely detached and reinstalled is avoided, the two side surfaces of the fixed block 1 are penetrated and provided with a moving block 2, one ends of the two moving blocks 2, which are opposite, are symmetrically provided with a moving plate 3, one side surface, which is opposite, of the two moving plates 3 is provided with a rack 4, a gear 5 is arranged between the two racks 4, the gear 5 is meshed with the two racks 4 respectively, the rack 4 and the moving plate 3 are driven to move left and right through the rotation of the gear 5, so that the moving block 2 is driven to move left and right on the two side surfaces of the fixed block 1, and one side of the two moving blocks 2 is provided with a telescopic rod 15 and a fixed rod 16, when the two moving blocks 2 move left and right, the fixed rod 16 and the telescopic rod 15 are driven to move left and right, the telescopic rod 15 clamps and fixes the miniature circuit breaker, the bottom surface of the gear 5 is fixedly connected with a rotating shaft 6, the free end of the rotating shaft 6 is rotationally connected with the bottom surface of the inner cavity of the fixed block 1, the peripheral side of the rotating shaft 6 is fixedly sleeved with an auxiliary tooth 7, one side of the auxiliary tooth 7 is provided with a rotating column 9, one end of the rotating column 9 is fixedly sleeved with a conical tooth 8 matched with the auxiliary tooth 7, the other end of the rotating column 9 is fixedly connected with a rotating disc 10, the rotating disc 10 drives the rotating column 9 and the conical tooth 8 to rotate through the auxiliary tooth 7 matched with the conical tooth 8, thereby driving the gear 5 to rotate, namely, the two moving blocks 2 can be adjusted left and right through the rotating disc 10, thereby let two telescopic links 15 carry out the centre gripping to miniature circuit breaker fixed, let miniature circuit breaker can very convenient follow one side of fixed block 1 dismantlement and repair or change, and then improve miniature circuit breaker's maintenance efficiency.
The carousel 10 sets up in the one side of fixed block 1, and fixed block 1 has offered a plurality of gomphosis holes 14 towards a side annular array of carousel 10, a side of carousel 10 runs through and is equipped with through-hole 11, the slide column 12 of adaptation has been placed to the inner chamber of through-hole 11, the stopper 13 that both ends of slide column 12 all fixed mounting had with gomphosis hole 14 adaptation, stopper 13 can restrict slide column 12 and be in the inner chamber of carousel 10, avoid slide column 12 can shift out from carousel 10, after carousel 10 drives movable block 2 and removes suitable position, and press slide column 12, let slide column 12 and stopper 13 of one end get into gomphosis hole 14, thereby fix carousel 10, and then let telescopic link 15 fix in the centre gripping to miniature circuit breaker, otherwise, when needs rotate carousel 10, take out slide column 12 from gomphosis hole 14 in can rotate carousel 10.
Rectangular grooves for the moving block 2 to pass through are formed in two side faces of the fixed block 1, two fixed rods 16 are welded on one side face of the moving block 2, two telescopic rods 15 are sleeved on the periphery of the fixed rods 16, the telescopic rods 15 can move on the periphery of the fixed rods 16, a plurality of clamping holes 17 are symmetrically formed in one side face of each of the fixed rods 16 and one side face of each of the telescopic rods 15, bolts 18 for fixing the fixed rods 16 and the telescopic rods 15 are arranged in inner cavities of the clamping holes 17, when the telescopic rods 15 move on the periphery of the fixed rods 16, the clamping holes 17 are overlapped, the bolts 18 are inserted into the two clamping holes 17, the telescopic rods 15 and the fixed rods 16 can be fixed, and then the lengths of the telescopic rods 15 and the fixed rods 16 can be adjusted through miniature circuit breakers of different sizes.
The fixed block 1 is provided with the cushion towards one side of two telescopic links 15, and the cushion can protect miniature circuit breaker, avoids producing the scratch, and the one end that dead lever 16 was kept away from to two telescopic links 15 is connected with the baffle that carries out the restriction to miniature circuit breaker, and when telescopic link 15 and dead lever 16 moved the size of suitable miniature circuit breaker, the baffle can support a side of miniature striker plate, fixes it, and the bottom surface of fixed block 1 is connected with the backing plate 19 that supports miniature circuit breaker, and miniature circuit breaker is placed on backing plate 19 to fix it through telescopic link 15, and then plug miniature circuit breaker on the guide rail through fixed block 1.
Working principle:
This plug-in miniature circuit breaker places miniature circuit breaker on backing plate 19 to peg graft miniature circuit breaker on the guide rail through fixed block 1, thereby let fixed block 1 can take miniature circuit breaker to remove on the guide rail, and rotate carousel 10, carousel 10 drives the rotation post 9 and the toper tooth 8 rotates, thereby drive pivot 6 through auxiliary tooth 7 and rotate, the rotation of pivot 6 can drive gear 5 and rotate, and then drive two racks 4 with gear 5 meshing and remove, thereby let two racks 4 drive movable block 2 respectively and move about, make movable block 2 drive dead lever 16 and telescopic link 15 and carry out the left and right movement, let the distance between two telescopic links 15 be fit for not unidimensional circuit breaker, and reverse rotation carousel 10, let telescopic link 15 extrude fixedly to miniature circuit breaker, make miniature circuit breaker can very convenient follow fixed block 1 and dismantle and maintain or change, improve miniature circuit breaker and last power supply's efficiency.
It should be noted that relational terms such as one and two are 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. Moreover, 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. Without more in the limited case. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.