CN209641616U - Circuit breaker time delay adjustment structure - Google Patents

Abstract

The utility model discloses a circuit breaker time delay adjusting structure, which relates to the circuit breaker structure field and is arranged on a driving piece of a circuit breaker, the time delay adjusting structure comprises a trip bar, an adjusting bar and an adjusting button, the trip bar is connected and fixed with the driving piece and can rotate to actuate; the adjusting rod is combined with the tripping rod and can slide relatively; the adjusting knob is pivoted on the adjusting rod, and when the adjusting knob is rotated, the adjusting knob can drive the adjusting rod to axially displace. This creation circuit breaker time delay adjustment structure utilizes the adjusting lever to remove and removes the interval between this sheetmetal and the displacement portion of adjustment to select the electric current size, that is to say when carrying different electric currents, need not disassemble the circuit breaker, just can be under the power transmission current of difference, also possess protect function, it is fairly convenient in the use.

Description

A kind of breaker delay adjustment structure

Technical field

The utility model relates to breaker structure field, espespecially a kind of anti-delay holding function with adjustable breaker Breaker delay adjustment structure.

Background technique

Breaker is a kind of important mechanism for protecting electric appliance, is asked when breaker detects short circuit, electric leakage and serious overload etc. When topic, breaker understands automatic separating to protect circuit, to avoid the generation of more serious unexpected storms.

As shown in FIG. 1, FIG. 1 is the schematic diagrames of the prior art.One breaker, 60 inside mainly includes that leader 61, one connects Dynamic component 62 and an escape component 63.Escape component 63 in breaker 60 is when there is overcurrent to pass through, and meeting is within the time Escape is to reach the function of protective breaker 60, however breaker 60 only has a kind of rated current specification, when delivering current through Specification difference when, need replacing component up to specification, thus will cause using upper inconvenience.

For the above reasons, so that the prior art is there are still the space for having improvement, this creator is in view of this, be actively grinding Study carefully, is subject to be engaged in the experience of Related product research and development for many years, and constantly tested and improved, develops this creation finally.

Utility model content

It is delayed the main purpose of the utility model is to provide a kind of breaker and adjusts structure, there is adjustable breaker Anti-delay holding function, so that when the specification difference delivered current through, it is up to specification to replace without dismantling breaker Component, it is only necessary to gear is adjusted, using upper quite convenient.

To reach above-mentioned purpose, this creation provides a kind of breaker delay adjustment structure, is assembled in a circuit breaker internal, should Breaker includes a lower case and a upper housing, and the lower case and the upper housing are combined with each other；The circuit breaker internal includes There are leader, a linked component and several pedestals, which extends the circuit breaker external, which includes dress An actuator below the handle is installed with an interlocking lever axis below the actuator, the interlocking lever axis be equipped with it is several can Moved end, several pedestals are installed in the lower case, are linked with a sheet metal respectively on each pedestal；The delay adjusts structure, dress On the actuator, delay adjustment structure includes:

One escape bar links with the actuator and fixes, and rotatable actuation；

One adjustment bar, in conjunction with the escape bar, and can slide；And

One adjustment knob is hubbed on the adjustment bar, and when the adjustment knob is rotated, which can drive the adjustment bar to make Axial displacement.

Further, it is equipped with a fixed part among the escape bar, stopped by one between the fixed part and the actuator Piece, delay adjustment structure and the interconnected fixation of actuator, and keep the escape bar rotatable, the escape bar is equipped with two and pushes away Column and two combined blocks, two, which push away column, each extends over set on the escape bar two sides, and two combined blocks are respectively arranged on the escape bar two sides.

Further, the adjustment bar is installed on the escape bar, which is equipped with two engagement grooves, for the escape Two combined blocks of bar are inserted into, so that the adjustment bar is with the escape bar ining conjunction with, and can be made with respect to sliding, if the adjustment bar equipped with Dry displacement portion, and each displaced portion does not correspond to each sheet metal setting, and which is equipped with an aperture.

Further, the adjustment knob is hubbed on the adjustment bar, which has a positioning region, positioning region insertion The aperture of the adjustment bar, adjustment knob top have a rotating part, and a slot is set on the rotating part, and slot is inserted for hand-held tool Enter rotation；When the adjustment knob is rotated, which can drive the adjustment bar to make axial displacement.

Compared with prior art, the utility model has the advantage that

The breaker delay adjustment structure of the utility model, is moved left and right using adjustment bar to adjust the sheet metal and displacement Spacing between portion, to select size of current, that is to say, that when conveying different electric currents, without dismantling breaker, so that it may Under different conveying electric currents, also has defencive function, using upper quite convenient.

Detailed description of the invention

Fig. 1 is the schematic diagram of the breaker of the prior art；

Fig. 2 is the perspective view of breaker；

Fig. 3 is the partial enlarged view of Fig. 2；

Fig. 4 is the perspective view of this creation breaker delay adjustment structure and breaker portion component；

Fig. 5 is the stereogram exploded view of this creation breaker delay adjustment structure and breaker portion component；

Fig. 6 is the perspective view of this creation breaker delay adjustment structure；

Fig. 7 is the state stereogram of this creation breaker after adjustment knob rotation；

Fig. 8 is the partial enlarged view of Fig. 7；

Fig. 9 is the state stereogram of this creation breaker delay adjustment structure after adjustment knob rotation.

Label declaration:

1, the label of this creation is as follows:

Breaker 10, lower case 11, upper housing 12, handle 20, linked component 30, actuator 31, limited step 311, interlocking lever Axis 32, pedestal 40, sheet metal 41, delay adjustment structure 50, escape bar 51, fixed part 511, pushes away column 512, knot at movable terminal 33 It closes block 513, adjustment bar 52, engagement groove 521, displacement portion 522, aperture 523, adjustment knob 53, positioning region 531, rotating part 532, insert Slot 533

2, the label of the prior art is as follows:

Breaker 60, handle 61, linked component 62, escape component 63

Specific embodiment

Now in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

Shown in please see Fig. 2 to Fig. 4, Fig. 2 is the perspective view of breaker, and Fig. 3 is the partial enlarged view of Fig. 2, and Fig. 4 is this wound Make the perspective view of breaker delay adjustment structure and breaker portion component.This creation is the adjustment knot that is delayed about a kind of breaker Structure is assembled in inside a breaker 10, which includes a lower case 11 and a upper housing 12, and the lower case 11 It is combined with each other with the upper housing 12；It include leader 20, a linked component 30 and several pedestals inside the breaker 10, this 20 one end of hand is extended outside the breaker 10, which includes the actuator for being installed in 20 lower section of handle 31, an interlocking lever axis 32 is installed with below the actuator 31, which is equipped with several movable terminals 33, several pedestals 40 are installed in the lower case 11, are linked with a sheet metal 41 on each pedestal 40 respectively.

Please refer to shown in Fig. 5 and Fig. 6, Fig. 5 be this creation breaker delay adjustment structure and breaker portion component stand Body exploded view, Fig. 6 are the perspective view of this creation breaker delay adjustment structure.The delay adjusts structure 50, is installed in the driving On part 31, delay adjustment structure 50 includes an an escape bar 51, one adjustment bar 52 and adjustment knob 53, in the escape bar 51 Between be equipped with a fixed part 511, by the limited step 311 between the fixed part 511 and the actuator 31, delay adjustment 50 He of structure Actuator 31 is interconnected to be fixed, and keeps the escape bar 51 rotatable, which is equipped with two and pushes away column 512 and two combinations Block, two, which push away column 512, each extends over set on the escape bar two sides, and two combined blocks are respectively arranged on the escape bar two sides；Bar 52 is adjusted to fill On the escape bar 51, the adjustment bar 52 be equipped with two engagement grooves 521, two engagement grooves 521 for the escape bar 51 two knots It closes block 513 to be inserted into, so that the adjustment bar 52 is combined with the escape bar 51, and the two opposite can be slided, and set on the adjustment bar 52 There are several displacement portions 522, and each displacement portion 522 corresponds respectively to each sheet metal 41 to be arranged, which is equipped with One aperture 523；Adjustment knob 53 is hubbed on the adjustment bar 52, which has a positioning region 531, which inserts Enter the aperture 523 of the adjustment bar 52, there is a rotating part 532 at the top of the adjustment knob 53, a slot 533 is set to the rotating part 532 On, slot 533 is inserted into for hand-held tool and rotates；When the adjustment knob 53 is rotated, which can drive the adjustment bar 52 Make axial displacement.

When the breaker 10 is in ON state, which can be with the contact terminal in the breaker 10 (in figure not Show) be in contact conducting, allows current to normally circulate, and at this time because overcurrent does not pass through, which adjusts structure 50 still Escape movement is not carried out.Because electric current can generate thermal energy when passing through the breaker 10, the sheet metal 41 is made to be heated and be bent, and Different size of electric current can generate different calorific value after passing through, and keep the sheet metal 41 the degree of bending due to heated different, because This is moved left and right using the adjustment bar 52 to adjust the spacing between the sheet metal 41 and the displacement portion 522.

In this creation, which can be by the adjustment knob 53, at 1 times or 0.8 of 10 rated current of breaker Times between make switching adjustment, when electric current be more than set at that time size when, the breaker 10 will within the designated time escape, with Reach defencive function.Referring again to shown in Fig. 2 to Fig. 6, the adjustment knob 53 is directed toward 1 position at the beginning, i.e., when electric current is more than 800 Ampere-hour, which is bent because heated, and touches the displacement portion 522, and the adjustment bar 52 is made to push the escape bar 51 Rotation, while the escape bar 51 drives the linked component 30, allows the movable terminal 33 and contact terminal (not shown) to present and jumps De- discrete state, so that electric current can not pass through.

It please refers to shown in Fig. 7 to Fig. 9, Fig. 7 is the state stereogram of this creation breaker after adjustment knob rotation, and Fig. 8 is The partial enlarged view of Fig. 7, Fig. 9 are the state stereogram of this creation breaker delay adjustment structure after adjustment knob rotation.It should Adjustment knob 53 from 1 turn to 0.8 position, i.e., when electric current is more than 640 ampere-hours, which will jump within the designated time It is de-；The adjustment knob 53 drives the adjustment bar 52 to make axial displacement because of being rotated, and makes the sheet metal 41 and the displacement portion 522 Between spacing reduce, when electric current is more than 640 ampere-hours, which is bent because heated, though electric current it is smaller so that this 41 bending angle of sheet metal is smaller, which still can touch the displacement portion 522, and the adjustment bar 52 is made to push the jump De- bar 51 rotates, while the escape bar 51 drives the linked component 30, allows the movable terminal 33 and contact terminal (not shown) Escape discrete state is presented, so that electric current can not pass through.

This creation breaker delay adjustment structure, allows and may be only available for 800 amperes of rated current of breaker originally, can be with It rotates and switches by adjustment knob, to select electric current at 0.8 times of former rated current, that is to say, that when conveying different electric currents, nothing Breaker must be disassembled, so that it may under different conveying electric currents, also have defencive function, using upper quite convenient；In this creation The rated current of middle breaker is a kind of embodiment, this creation can also apply the breaker in different rated current, by peace This creation breaker delay adjustment structure is filled, to obtain the same function.

It is only for the sake of illustration for above-described embodiment, and the interest field that this creation is advocated should be wanted with right It asks subject to range documented by book, not just the above examples.

Although this creation has disclosed preferred embodiment as described above, so it is not intended to limit this creation, any ripe Practise this operator, in the spirit and scope for not departing from this creation, can make it is a little change and retouch, therefore the protection model of this creation Range documented by claims should be subject to by enclosing.

Claims (4)

1. a kind of breaker delay adjustment structure, is assembled in a circuit breaker internal, which has a lower case and a upper casing Body, and the lower case and the upper housing are combined with each other；The circuit breaker internal includes leader, a linked component and several seats The circuit breaker external is extended in body, the handle one end, which includes the actuator being installed in below the handle, should It is installed with an interlocking lever axis below actuator, which is equipped with several movable terminals, and several pedestals are installed in the lower casing Body is linked with a sheet metal on each pedestal respectively；It is characterized by: the delay adjusts structure, it is installed on the actuator, it should Delay adjustment structure includes:

One escape bar links with the actuator and fixes, and rotatable actuation；

One adjustment bar, in conjunction with the escape bar, and can slide；And

One adjustment knob is hubbed on the adjustment bar, and when the adjustment knob is rotated, it is axial which can drive the adjustment bar to make Displacement.

2. breaker delay adjustment structure as described in claim 1, it is characterised in that: it is fixed to be equipped with one among the escape bar Portion, by the limited step between the fixed part and the actuator, delay adjustment structure and the interconnected fixation of actuator, the jump De- bar is equipped with two and pushes away column and two combined blocks, and two, which push away column, each extends over set on the escape bar two sides, and two combined blocks are respectively arranged on this Escape bar two sides.

3. breaker delay adjustment structure as described in claim 1, it is characterised in that: the adjustment bar is equipped with two engagement grooves, Two combined blocks for the escape bar are inserted into and combine, which is equipped with several displacement portions, and each displaced portion is other It is arranged corresponding to each sheet metal, which is equipped with an aperture.

4. the breaker delay adjustment structure as described in claims 1 or 2 or 3, it is characterised in that: the adjustment knob has certain The aperture of the adjustment bar is inserted into position portion, the positioning region, has a rotating part at the top of the adjustment knob, and a slot is set to the rotating part On, which is inserted into for hand-held tool and rotates.