CN203562372U

CN203562372U - Contactor opening mechanism

Info

Publication number: CN203562372U
Application number: CN201320674725.XU
Authority: CN
Inventors: 李明忠; 陈建强; 陈斌; 黄伟; 吴勇
Original assignee: Jiangsu Senyuan Electric Co Ltd
Current assignee: Jiangsu Senyuan Electric Co Ltd
Priority date: 2013-10-29
Filing date: 2013-10-29
Publication date: 2014-04-23
Anticipated expiration: 2023-10-29

Abstract

The utility model relates to a contactor opening mechanism, which comprises a bending plate, an electromagnetic mechanism, a reset mechanism, an opening bending plate and a connector, wherein the electromagnetic mechanism comprises a shell, a coil and a movable iron core, the shell is coated at the outer side of the coil, the movable iron core is inserted into a space enclosed by the shell, stretches out of the space and moves in a linear mode along the axial direction, the shell is fixed on the bending plate, a part, which stretches out of the shell, of the movable iron core is connected with the opening bending plate through the connector, and the reset mechanism is fixed between the bending plate and the opening bending plate. The contactor opening mechanism is energized or de-energized through the coil, and the movable iron core is controlled to stretch out and draw back along the axial direction, thereby pulling the opening bending plate to move, and realizing open and close of a contact of the contactor. Compared with the prior art, the required coil power of the contactor opening mechanism is low, and the operation is more reliable and more stable.

Description

Contactor brake separating mechanism

Technical field

The utility model relates to a kind of contactor brake separating mechanism closing a floodgate for realizing separating brake in contactor that is applied in.

Background technology

In contactor, the brake separating mechanism of controlling combined floodgate separating brake is one of of paramount importance parts, particularly, and as shown in Figure 1, brake separating mechanism comprises: bent plate 1, switching winding 2, separating brake iron core 3, separating brake bent plate 4, returning spring 5 and cushion pad 6, when after switching winding 2 energisings, coil current can produce magnetic field, and the magnetic field of generation makes separating brake iron core 3 produce electromagnetic attraction attraction separating brake bent plate 4, and then drive contactor point to move, normally-closed contact disconnects, normally opened contact closure, and both link; When switching winding 2 power-off, electromagnetic attraction disappears, and separating brake bent plate 4 discharges under the effect of returning spring 5, and contact is restored, and normally opened contact disconnects, normally-closed contact closure.But in the electromagnetic mechanism of this absorption type, required coil power is larger; Between switching winding 2 and separating brake bent plate 4, need to arrange cushion pad 6, while avoiding adhesive, the two is because collision damages, and reliability and stability are not high.

Utility model content

The utility model provides a kind of contactor brake separating mechanism, to solve coil power required in existing contactor brake separating mechanism greatly and operating reliability and the not high problem of stability.

For solving the problems of the technologies described above, the utility model provides a kind of contactor brake separating mechanism, comprise bent plate, electromagnetic mechanism, resetting device, separating brake bent plate and connector, described electromagnetic mechanism comprises shell, coil and moving iron core, described shell is coated on described coil outside, described moving iron core inserts the space that described shell surrounds and stretches out, and do vertically rectilinear motion, described shell is fixed on described bent plate, the part that described moving iron core stretches out described shell is connected with described separating brake bent plate by described connector, described resetting device is fixed between described bent plate and described separating brake bent plate.

Preferably, the part that described moving iron core passes from described shell is provided with a bearing with described housing contacts.

Preferably, described resetting device comprises the first reset assembly and the second reset assembly, described the first reset assembly comprises guide finger and back-moving spring, one end of described guide finger is fixed on described bent plate, the other end is through described separating brake bent plate, described back-moving spring is sheathed on described guide finger, and is limited between described bent plate and separating brake bent plate; Described the second reset assembly comprises roller, torsion spring and locating shaft, and described roller is fixed on described separating brake bent plate, and described locating shaft is fixed on described bent plate, and the two ends of described torsion spring are individually fixed on described roller and locating shaft.

Preferably, the both sides of described separating brake bent plate are respectively equipped with the first side plate, and described turning rolls is located between two first side plates, and described bent plate both sides are respectively equipped with the second side plate, and described locating shaft is set up between two second side plates.

Preferably, described back-moving spring is stage clip.

Preferably, described connector comprises fixed block and latch, described fixed block passes in the jack corresponding with described fixed block from described separating brake bent plate, and described latch is along fixed block described in the radial penetration of described moving iron core, and the length of described latch is greater than the diameter of described jack.

Compared with prior art, the contactor brake separating mechanism tool that the utility model provides has the following advantages:

1. need the coil of smaller power, can realize the stretching motion of moving iron core, energy-conserving and environment-protective;

2. without using cushion pad to cushion, can obtain by adjusting coil the speed of the moving iron core motion of electric weight control, guarantee reliability and the stability of motion.

Accompanying drawing explanation

Fig. 1 is the structural representation of the contactor brake separating mechanism of prior art;

Fig. 2 is the structural representation of the contactor brake separating mechanism of the utility model one embodiment;

Fig. 3 is the cutaway view (contraction state) of electromagnetic mechanism in the contactor brake separating mechanism of the utility model one embodiment;

Fig. 4 is the cutaway view (stretching out state) of electromagnetic mechanism in the contactor brake separating mechanism of the utility model one embodiment.

In Fig. 1: 1-bent plate, 2-switching winding, 3-separating brake iron core, 4-separating brake bent plate, 5-returning spring, 6-cushion pad;

In Fig. 2-4: 10-bent plate, 11-the second side plate, 20-electromagnetic mechanism, 21-shell, 22-coil, 23 moving iron cores, 24-bearing, 30-resetting device, 31-guide finger, 32-back-moving spring, 33-roller, 34-torsion spring, 35-locating shaft, 40-separating brake bent plate, 41-jack, 42-the first side plate, 50-connector, 51-fixed block, 52-latch.

Embodiment

For the technical scheme of the more detailed above-mentioned utility model of statement, below list specific embodiment and carry out Proof Technology effect; It is emphasized that these embodiment are not limited to limit scope of the present utility model for the utility model is described.

The contactor brake separating mechanism that the utility model provides, as shown in Figures 2 to 4, comprise bent plate 10, electromagnetic mechanism 20, resetting device 30, separating brake bent plate 40 and connector 50, particularly, described electromagnetic mechanism 20 comprises shell 21, coil 22 and moving iron core 23, described shell 21 is coated on described coil 22 outsides, described moving iron core 23 inserts the space that described shell 21 surrounds and stretches out, and do vertically rectilinear motion, described shell 21 is fixed on described bent plate 10, the part that described moving iron core 23 stretches out described shell 21 is connected with described separating brake bent plate 40 by described connector 50, described resetting device 30 is fixed between described bent plate 10 and described separating brake bent plate 40.The utility model adopts the electromagnetic mechanism of closed type magnetic loop, and coil 22 is fixing, and moving iron core 23 moves, and the power of coil 22 is little, and can make sub-switching operation more reliable, stable.

Preferably; please emphasis with reference to figure 3 and Fig. 4; the part that described moving iron core 23 passes from described shell 21 is provided with a bearing 24 with described shell 21 contact positions; guarantee on the one hand the sealing between moving iron core 23 and shell 21; on the other hand; when moving iron core 23 produces relative motion with shell 21, guarantee the fluency of motion, and protect the two not by friction damage.

Preferably, please emphasis with reference to figure 2, described resetting device 30 comprises the first reset assembly and the second reset assembly, described the first reset assembly comprises guide finger 31 and back-moving spring 32, one end of described guide finger 31 is fixed on described bent plate 10, the other end is through described separating brake bent plate 40, and described back-moving spring 32 is sheathed on described guide finger 31, and is limited between described bent plate 10 and separating brake bent plate 40, described the second reset assembly comprises roller 33, torsion spring 34 and locating shaft 35, described roller 33 is fixed on described separating brake bent plate 40, described locating shaft 24 is fixed on described bent plate 10, the two ends of described torsion spring 34 are individually fixed on described roller 33 and locating shaft 35, particularly, incorporated by reference to Fig. 3 and Fig. 4, when coil 22 obtains electric, moving iron core 23 inwardly shrinks, pull connector 50, thereby drive separating brake bent plate 40 to move, now, described returning spring 32 is compressed, preferably, described back-moving spring 32 is stage clip, simultaneously, due to the change of the relative position between separating brake bent plate 40 and bent plate 10, described torsion spring 34 produces certain deformation quantity, preferably, the both sides of described separating brake bent plate 40 are respectively equipped with the first side plate 42, described roller 33 is set up between two first side plates 42, described bent plate 10 both sides are respectively equipped with the second side plate 11, described locating shaft 35 is set up between two second side plates 11, when coil 22 dead electricity, the power that coil 22 produces at moving iron core 23 places disappears, described back-moving spring 32 promotes separating brake bent plate 40 and moves along the direction of guide finger 31, simultaneously, under the elastic force effect of torsion spring 34, roller 33 returns back to initial position with locating shaft 35, and namely separating brake bent plate 40 also returns back to initial position with the relative position of bent plate 10, thereby realize the reciprocating motion of separating brake bent plate 40, and then realize combined floodgate, the separating brake of contactor.

Preferably, please continue to refer to Fig. 2, described connector 50 comprises fixed block 51 and latch 52, described fixed block 51 passes in the jack 41 corresponding with described fixed block 51 from described separating brake bent plate 40, described latch 52 is along fixed block 51 described in the radial penetration of described moving iron core 23, and the length of described latch 52 is greater than the diameter of described jack 41, like this, both realize being connected of electromagnetic mechanism 20 and separating brake bent plate 40, be convenient to again dismounting.

In sum, the contactor brake separating mechanism that the utility model provides, comprise bent plate 10, electromagnetic mechanism 20, resetting device 30, separating brake bent plate 40 and connector 50, described electromagnetic mechanism 20 comprises shell 21, coil 22 and moving iron core 23, described shell 21 is coated on described coil 22 outsides, described moving iron core 23 inserts the space that described shell 21 surrounds and stretches out, and do vertically rectilinear motion, described shell 21 is fixed on described bent plate 10, the part that described moving iron core 23 stretches out described shell 21 is connected with described separating brake bent plate 40 by described connector 50, described resetting device 30 is fixed between described bent plate 10 and described separating brake bent plate 40.The utility model is by the dead electricity that obtains of coil 22, control moving iron core 23 and axially do stretching motion along it, thereby pull separating brake bent plate 40 to move, and then realize disconnection and the closure of contacts of contactor, compared with prior art the power of required coil 22 is little, and operation more reliably, more stable.

Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to including these changes and modification.

Claims

1. a contactor brake separating mechanism, it is characterized in that, comprise bent plate, electromagnetic mechanism, resetting device, separating brake bent plate and connector, described electromagnetic mechanism comprises shell, coil and moving iron core, described shell is coated on described coil outside, described moving iron core inserts the space that described shell surrounds and stretches out, and do vertically rectilinear motion, described shell is fixed on described bent plate, the part that described moving iron core stretches out described shell is connected with described separating brake bent plate by described connector, and described resetting device is fixed between described bent plate and described separating brake bent plate.

2. contactor brake separating mechanism as claimed in claim 1, is characterized in that, the part that described moving iron core passes from described shell is provided with a bearing with described housing contacts.

3. contactor brake separating mechanism as claimed in claim 1, it is characterized in that, described resetting device comprises the first reset assembly and the second reset assembly, described the first reset assembly comprises guide finger and back-moving spring, one end of described guide finger is fixed on described bent plate, the other end is through described separating brake bent plate, and described back-moving spring is sheathed on described guide finger, and is limited between described bent plate and separating brake bent plate; Described the second reset assembly comprises roller, torsion spring and locating shaft, and described roller is fixed on described separating brake bent plate, and described locating shaft is fixed on described bent plate, and the two ends of described torsion spring are individually fixed on described roller and locating shaft.

4. contactor brake separating mechanism as claimed in claim 3, it is characterized in that, the both sides of described separating brake bent plate are respectively equipped with the first side plate, and described turning rolls is located between two first side plates, described bent plate both sides are respectively equipped with the second side plate, and described locating shaft is set up between two second side plates.

5. contactor brake separating mechanism as claimed in claim 3, is characterized in that, described back-moving spring is stage clip.

6. contactor brake separating mechanism as claimed in claim 1, it is characterized in that, described connector comprises fixed block and latch, described fixed block passes in the jack corresponding with described fixed block from described separating brake bent plate, described latch is along fixed block described in the radial penetration of described moving iron core, and the length of described latch is greater than the diameter of described jack.