A kind of low-voltage circuit breaker
Technical field
The present invention relates to low voltage electrical apparatus technology field, specially a kind of low-voltage circuit breaker.
Background technique
Breaker is the electric current referred to close, carry and cut-off under normal loop condition and can close, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition, breaker are divided into high-voltage circuitbreaker by its use scope
With low-voltage circuit breaker, high-low pressure identification of boundaries is relatively fuzzyyer, and generally by three kilovolts or more of the High-Voltage Electrical Appliances that are known as, breaker is available
Distribute electric energy, infrequently start asynchronous motor, the implementations such as power circuit and motor are protected, when they occur it is serious
Overload or short circuit and when the failures such as under-voltage can automatic shutdown circuit, function be equivalent to Fuse switch and cross underheat after
The combination of electric appliance etc., during using low-voltage circuit breaker, common low-voltage circuit breaker not can be well protected electric wire, Chang Hui
Because various accidents cause electric wire and breaker to be detached from, the time that staff need to be spent more re-starts wiring, it is also possible to
It can be because the unexpected generation for leading to short circuit accident, generates unnecessary economic loss, brings great inconvenience to user.
Summary of the invention
The purpose of the present invention is to provide a kind of low-voltage circuit breaker, has the advantages of can be very good protection electric wire, solve
Not the problem of common low-voltage circuit breaker not can be well protected electric wire.
To achieve the above object, the invention provides the following technical scheme: a kind of low-voltage circuit breaker, including shell, the shell
The left and right sides at the top and bottom of body is fixedly connected to fixed plate, and the front of the fixed plate is provided with fixing bolt, described
The rear end of fixing bolt is through fixed plate and extends to outside it, and the midpoint at the inner walls back side is fixedly connected with open circuit
Device main body, the midpoint at the top and bottom of the breaker body are fixedly connected to link block, the case top and bottom
The position for being correspondingly connected with block offers connector, and the position that the inner walls front corresponds to breaker body offers maintenance
Mouthful, the position that the shell front corresponds to access hole is provided with access cover, and the rear side of the access cover runs through access hole and extension
Inside to it, the case top and bottom and it is located at left and right sides of connector and is fixedly connected to vertical telescopic rod, it is described
Vertical telescopic rod is fixedly connected with connecting plate far from the side of breaker body, and the surface of the vertical telescopic rod is socketed with vertically
Spring, the Vertical Spring are fixedly connected with the casing far from the side of connecting plate, and the Vertical Spring is far from breaker body
Side is fixedly connected with connecting plate, and the connecting plate is fixedly connected with fixed block, the fixation far from the side of vertical telescopic rod
Block is fixedly connected with transversal stretching bar far from the side of fixed plate, and the transversal stretching bar is fixedly connected far from the side of fixed block
Live wire fixing clip is fixedly connected with fixture nut at the top of the electric wire holding clip block, and the fixture nut is close to fixed
The side of plate is threaded with threaded rod, and the one end of the threaded rod far from fixed plate is through fixture nut and extends to outside it
Portion is fixedly connected between two threaded rods by adjusting block, and the threaded rod is fixedly connected with limit far from the side of adjusting block
Baffle, the left side at the top and bottom of the inner walls are fixedly connected to supporting block, and the front of the supporting block is fixedly connected
There is shaft, the surface activity of the shaft is connected with swingle, and elastic webbing, the bullet are fixedly connected on the left of the swingle
It is fixedly connected on the left of the left side of property band and inner walls, the swingle is fixedly connected with rotation far from the side of connecting plate
Block, the spill spin block are symmetrical arranged close to the side of elastic webbing there are two motion bar, and the left side of two motion bars is solid by spring
Fixed board is fixedly connected, and the right end of the motion bar through spill spin block and extends to outside it, passes through limit on the right side of two motion bars
Position item is fixedly connected, the motion bar surface and position between spill spin block and spring retaining plate is socketed with crossed strip,
It is fixedly connected on the left of the right side of the crossed strip and spill spin block, the left side of the crossed strip and the right side of spring retaining plate
It is fixedly connected.
Preferably, the four corners of the back side of shell are fixedly connected to damping spring, and the rear side of four damping springs is logical
Firm plate is crossed to be fixedly connected.
Preferably, the front of the access cover is fixedly connected with disassembly handle, and the left and right sides of the disassembly handle is solid
Surely it is connected with reinforcing bar, the reinforcing bar is fixedly connected far from the side of disassembly handle with access cover.
Preferably, it is fixedly connected to support plate at left and right sides of the inner walls, passes through between two support plates disconnected
Road device main body is fixedly connected.
Preferably, the position of corresponding spring retaining plate is fixedly connected with bumper block on the left of the shell, the bumper block
Right side is fixedly connected with fender.
Preferably, fixed batten is fixedly connected at left and right sides of the shell, the fixed batten is far from shell
Side is fixedly connected with tread plate.
Compared with prior art, beneficial effects of the present invention are as follows:
1, the present invention is fixed by the way that vertical telescopic rod, connecting plate, Vertical Spring, fixed block, transversal stretching bar, electric wire is arranged
Fixture block, fixture nut, threaded rod, adjusting block, postive stop baffle, supporting block, shaft, swingle, elastic webbing, spill spin block, motion bar,
Spring retaining plate, positive stop strip and crossed strip, make low-voltage circuit breaker can be very good protection electric wire, avoid electric wire because it is unexpected with it is disconnected
Road device is detached from, and is avoided the generation of safety accident, is reduced unnecessary economic loss, bring great convenience to user.
2, the present invention improves the shock resistance of entire breaker, prevents open circuit by setting damping spring and firm plate
Device main body is damaged because of vibration, by setting disassembly handle and reinforcing bar, facilitates staff to dismantle access cover, and to breaker
Main body is overhauled, by be arranged support plate, prevent breaker body from tilting because of the influence of gravity, by setting bumper block and
Fender prevents spring retaining plate and shell from sharp impacts occur, so as to cause spring retaining plate damage, by the way that fixed strip is arranged
Plate and tread plate, facilitate staff to firmly grasp low-voltage circuit breaker.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the structure of front view of the present invention;
Fig. 2 is the partial enlarged view of A-A in Fig. 1 of the present invention;
Fig. 3 is the partial enlarged view of B-B in Fig. 1 of the present invention;
Fig. 4 is the cross-sectional view of the structure of top view of the present invention;
Fig. 5 is the partial enlarged view of C-C in Fig. 4 of the present invention;
Fig. 6 is the structural schematic diagram of top view of the present invention.
In figure: 1 shell, 2 fixed plates, 3 fixing bolts, 4 breaker bodies, 5 link blocks, 6 connectors, 7 access holes, 8 inspections
It builds, 9 vertical telescopic rods, 10 connecting plates, 11 Vertical Springs, 12 fixed blocks, 13 transversal stretching bars, 14 electric wire holding clip blocks, 15
Fixture nut, 16 threaded rods, 17 adjusting blocks, 18 postive stop baffles, 19 supporting blocks, 20 shafts, 21 swingles, 22 elastic webbings, 23 rotations
Switch block, 24 motion bars, 25 spring retaining plates, 26 positive stop strips, 27 crossed strips, 28 damping springs, 29 firm plates, 30 disassembly handles
Hand, 31 reinforcing bars, 32 support plates, 33 bumper blocks, 34 fenders, 35 fixed battens, 36 tread plates.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6, a kind of low-voltage circuit breaker, including shell 1 are please referred to, the left and right sides of shell 1 is fixedly connected to fixation
Batten 35, fixed batten 35 are fixedly connected with tread plate 36 far from the side of shell 1, by the way that fixed batten 35 and tread plate is arranged
36, facilitate staff to firmly grasp low-voltage circuit breaker, the left and right sides of 1 top and bottom of shell is fixedly connected to fixed plate 2, Gu
The front of fixed board 2 is provided with fixing bolt 3, and the rear end of fixing bolt 3 through fixed plate 2 and extends to outside it, 1 inner wall of shell
The midpoint at the back side is fixedly connected with breaker body 4, and the four corners at 1 back side of shell are fixedly connected to damping spring 28, and four
The rear side of a damping spring 28 is fixedly connected by firm plate 29, by setting damping spring 28 and firm plate 29, is improved whole
The shock resistance of a breaker prevents breaker body 4 from damaging because of vibration, is fixedly connected at left and right sides of 1 inner wall of shell
There is support plate 32, is fixedly connected between two support plates 32 by breaker body 4, by the way that support plate 32 is arranged, prevents open circuit
Device main body 4 is tilted because of the influence of gravity, and the midpoint of 4 top and bottom of breaker body is fixedly connected to link block 5, shell
The position that block 5 is correspondingly connected at the top and bottom of body 1 offers connector 6, and 1 inner wall front of shell corresponds to breaker body 4
Position offers access hole 7, and the position of the corresponding access hole 7 in 1 front of shell is provided with access cover 8, and the front of access cover 8 is fixed to be connected
It is connected to disassembly handle 30, the left and right sides of disassembly handle 30 is fixedly connected to reinforcing bar 31, and reinforcing bar 31 is far from disassembly handle
30 side is fixedly connected with access cover 8, by setting disassembly handle 30 and reinforcing bar 31, staff is facilitated to dismantle access cover
8, and overhaul to breaker body 4, the rear side of access cover 8 through access hole 7 and extends to inside it, 1 top of shell and
Bottom and be located at connector 6 the left and right sides be fixedly connected to vertical telescopic rod 9, vertical telescopic rod 9 is far from breaker body 4
Side be fixedly connected with connecting plate 10, the surface of vertical telescopic rod 9 is socketed with Vertical Spring 11, and Vertical Spring 11 is far from connection
The side of plate 10 is fixedly connected with shell 1, and side of the Vertical Spring 11 far from breaker body 4 is fixedly connected with connecting plate 10,
Connecting plate 10 is fixedly connected with fixed block 12 far from the side of vertical telescopic rod 9, and fixed block 12 is fixed far from the side of fixed plate 2
It is connected with transversal stretching bar 13, transversal stretching bar 13 is fixedly connected with electric wire holding clip block 14 far from the side of fixed block 12, leads to
Setting transversal stretching bar 13 is crossed, electric wire holding clip block 14 is moved left and right, the top of electric wire holding clip block 14 is fixed
It is connected with fixture nut 15, fixture nut 15 is threaded with threaded rod 16 close to the side of fixed plate 2, by the way that fixed spiral shell is arranged
Mother 15 and threaded rod 16 plays the role of that electric wire holding clip block 14 is driven to move left and right, threaded rod 16 far from fixed plate 2 one
End is through fixture nut 15 and extends to outside it, is fixedly connected between two threaded rods 16 by adjusting block 17, threaded rod 16
Side far from adjusting block 17 is fixedly connected with postive stop baffle 18, by the way that postive stop baffle 18 is arranged, prevents fixture nut 15 mobile
More distance, to be detached from from threaded rod 16, the left side at the top and bottom of 1 inner wall of shell is fixedly connected to supporting block
19, the front of supporting block 19 is fixedly connected with shaft 20, and the surface activity of shaft 20 is connected with swingle 21, a left side for swingle 21
Side is fixedly connected with elastic webbing 22, is fixedly connected on the left of the left side of elastic webbing 22 and 1 inner wall of shell, and swingle 21 is far from connection
The side of plate 10 is fixedly connected with spill spin block 23, and spill spin block 23 is symmetrical arranged that there are two motion bars close to the side of elastic webbing 22
24, the left side of two motion bars 24 is fixedly connected by spring retaining plate 25, and the position of spring retaining plate 25 is corresponded on the left of shell 1
It is fixedly connected with bumper block 33, the right side of bumper block 33 is fixedly connected with fender 34, passes through setting bumper block 33 and fender
34, prevent spring retaining plate 25 and shell 1 from sharp impacts occur, so as to cause the damage of spring retaining plate 25, the right side of motion bar 24
End is through spill spin block 23 and extends to outside it, and the right side of two motion bars 24 is fixedly connected by positive stop strip 26, motion bar 24
Surface and the position between spill spin block 23 and spring retaining plate 25 are socketed with crossed strip 27, the right side of crossed strip 27 with
The left side of spill spin block 23 is fixedly connected, and the left side of crossed strip 27 is fixedly connected with the right side of spring retaining plate 25, passes through setting
Electric wire holding clip block 14, fixture nut 15, threaded rod 16, adjusting block 17, spill spin block 23, motion bar 24 and positive stop strip 26, are played
The effect of fixed electric wire, when electric wire when pulled, electric wire can pass through electric wire holding clip block 14 and pull transversal stretching bar 13, laterally
Telescopic rod 13 pulls connecting plate 10 by fixed block 12, and the movement of connecting plate 10 stretches vertical telescopic rod 9 and Vertical Spring 11, together
When, electric wire pulls swingle 21 by spill spin block 23, and swingle 21 moves tensile elasticity band 22, protects electric wire well, leads to
It crosses and vertical telescopic rod 9 is set, connecting plate 10, Vertical Spring 11, fixed block 12, transversal stretching bar 13, electric wire holding clip block 14, is consolidated
Determine nut 15, threaded rod 16, adjusting block 17, postive stop baffle 18, supporting block 19, shaft 20, swingle 21, elastic webbing 22, rotation
Block 23, motion bar 24, spring retaining plate 25, positive stop strip 26 and crossed strip 27 make low-voltage circuit breaker can be very good protection electricity
Line avoids electric wire because accident and breaker are detached from, avoids the generation of safety accident, reduce unnecessary economic loss, give
User brings great convenience.
In use, staff is disassembled access cover 8 by the mutual cooperation of disassembly handle 30 and reinforcing bar 31, make
Access cover 8 is detached from the state of sealing access hole 7, and electric wire is inserted into shell 1 by staff from connector 6 later, later, passes through
The pressing movable plate 24 of spring retaining plate 25, the gap that electric wire is formed across spill spin block 23, motion bar 24 and positive stop strip 26,
Motion bar 24 and positive stop strip 26 are retracted, electric wire are fixed by trip spring fixed plate 25, crossed strip 27, and later, electric wire is connected
It connects on link block 5, by 17 rotating threaded rod 16 of adjusting block, the rotation of threaded rod 16 drives two fixture nuts 15 to mutually leaning on
Close direction movement, fixture nut 15 drive electric wire holding clip block 14 to fix electric wire, finally, when electric wire when pulled, electricity
Line can pull transversal stretching bar 13 by electric wire holding clip block 14, and transversal stretching bar 13 pulls connecting plate 10 by fixed block 12,
The movement of connecting plate 10 stretches vertical telescopic rod 9 and Vertical Spring 11, meanwhile, electric wire pulls swingle 21, rotation by spill spin block 23
Bull stick 21 moves tensile elasticity band 22, protects electric wire well.
In summary: the low-voltage circuit breaker, by the way that vertical telescopic rod 9, connecting plate 10, Vertical Spring 11, fixed block is arranged
12, transversal stretching bar 13, electric wire holding clip block 14, fixture nut 15, threaded rod 16, adjusting block 17, postive stop baffle 18, supporting block
19, shaft 20, swingle 21, elastic webbing 22, spill spin block 23, motion bar 24, spring retaining plate 25, positive stop strip 26 and crossed strip
27, solve the problems, such as that common low-voltage circuit breaker not can be well protected electric wire.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.