CN211016853U - Permanent magnet arc extinguishing type direct current contactor - Google Patents

Abstract

The utility model belongs to the technical field of electrical equipment, in particular to a permanent magnet arc extinguishing type direct current contactor, which comprises a contactor body and a mounting seat shell, wherein two symmetrically distributed insert rods are fixedly arranged at the bottom of the contactor body, and jacks matched with the insert rods are arranged at the top of the mounting seat shell; the inserted bar and the jack of looks adaptation are installed respectively through the inside at the bottom of contactor body and mount pad casing, when needs are installed the contactor, only need through insert the inserted bar on the contactor body in the jack on the mount pad casing, can install and fix contactor body and mount pad casing, when needs are dismantled, only need both hands to press the button, under the adjustment mechanism effect in the mount pad, can jack-up the contactor body, thereby dismantle the end, make the installation of contactor body and dismantle convenient more and swift, and need not use tools in addition.

Description

Permanent magnet arc extinguishing type direct current contactor

Technical Field

The utility model belongs to the technical field of, concretely relates to permanent magnetism arc extinguishing's direct current contactor.

Background

The direct current contactor is a device which can quickly cut off an alternating current and direct current main loop and can frequently connect and control a large current control circuit in the aspect of electrical engineering, the direct current contactor can be used for controlling power loads of factory equipment, an electric heater, a working mother machine, various power units and the like, the direct current contactor not only can connect and cut off the circuit, but also has the function of low-voltage release protection, the control capacity of the direct current contactor is large, and the direct current contactor is suitable for frequent operation and remote control and is one of important elements in an automatic control system.

In order to extinguish arc rapidly, direct current contactor generally adopts magnetism formula arc control device that blows, and be equipped with baffle and argil arc extinguishing cover, also adopt permanent magnet to produce magnetism to the direct current contactor of small capacity and blow the power, then longitudinal joint arc extinguishing commonly used adds magnetism and blows the arc extinguishing method to the contactor of medium-large capacity, the direct current contactor of current permanent magnetism arc extinguishing formula is at the installation, the universal bolt that adopts is installed on mount pad or frame, make installation and dismantlement in-process, need the use tool, not only the operation is inconvenient, and waste time and energy.

Accordingly, those skilled in the art have provided a permanent magnet arc extinguishing type dc contactor to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a permanent magnetism arc extinguishing formula's direct current contactor has easy to assemble and the characteristics of dismantling.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a direct current contactor of permanent magnetism arc-extinguishing formula, includes contactor body and mount pad casing, contactor body's bottom fixed mounting has two inserted bars that are the symmetric distribution, the top of mount pad casing seted up with the jack of inserted bar looks adaptation, the mount pad casing with the contactor body block is connected, the left and right sides of inserted bar is equipped with the slider, the recess has been seted up to the inside left and right sides of inserted bar, the slider is located the inside of recess, two equal fixed mounting in the relative one side of slider has first spring, the slider passes through first spring with recess elastic connection, the inner wall left and right sides of jack all seted up with the draw-in groove of slider looks adaptation, the slider block is fixed in the draw-in groove.

Preferably, be equipped with adjustment mechanism on the draw-in groove, adjustment mechanism includes two ejector pins, two connecting rods and two bracing pieces, two connecting rod cross distribution, and two be equipped with the pivot between the connecting rod, two the connecting rod passes through the pivot is rotated and is connected, two the equal fixed mounting in the relative one side of connecting rod has the ejector pin, the ejector pin runs through the draw-in groove extends to the inside of draw-in groove, just the other end fixed mounting of connecting rod has the bracing piece.

Preferably, a second spring is fixedly installed between the two support rods.

Preferably, the two support rods are sleeved with buttons.

Preferably, a return spring is fixedly installed inside the insertion hole.

Preferably, the sliding block is an arc-shaped mechanism.

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

the inserted bar and the jack of looks adaptation are installed respectively through the inside at the bottom of contactor body and mount pad casing, when needs are installed the contactor, only need through insert the inserted bar on the contactor body in the jack on the mount pad casing, can install and fix contactor body and mount pad casing, when needs are dismantled, only need both hands to press the button, under the adjustment mechanism effect in the mount pad, can jack-up the contactor body, thereby dismantle the end, make the installation of contactor body and dismantle convenient more and swift, and need not use tools in addition.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a half-sectional view of the middle insert rod of the present invention;

FIG. 3 is a schematic view of the installation of the middle insert rod and the mounting seat housing according to the present invention;

fig. 4 is a schematic structural diagram of the middle mounting seat housing of the present invention.

In the figure: 1. a contactor body; 11. inserting a rod; 111. a groove; 12. a slider; 121. a first spring; 2. a mount housing; 21. a jack; 22. a card slot; 23. a return spring; 3. an adjustment mechanism; 31. a top rod; 32. a connecting rod; 33. a support bar; 34. a button; 35. a rotating shaft; 36. a second spring.

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 the following technical solutions: the utility model provides a direct current contactor of permanent magnetism arc extinguishing formula, including contactor body 1 and mount pad casing 2, contactor body 1's bottom fixed mounting has two inserted bars 11 that are the symmetric distribution, jack 21 with 11 looks adaptations of inserted bar is seted up at mount pad casing 2's top, mount pad casing 2 is connected with contactor body 1 block, the left and right sides of inserted bar 11 is equipped with slider 12, recess 111 has been seted up to the inside left and right sides of inserted bar 11, slider 12 is located the inside of recess 111, the equal fixed mounting in one side of two relative sliders 12 has first spring 121, slider 12 is through first spring 121 and recess 111 elastic connection.

In this embodiment: through installing the inserted link 11 and the jack 21 which are matched with each other respectively at the bottom of the contactor body 1 and inside the mounting seat shell 2, when the contactor body 1 needs to be installed, the inserted link 11 on the contactor body 1 only needs to be inserted into the jack 21 on the mounting seat shell 2, the inserted link 11 moves in the jack 21, because the slider 12 is of an arc-shaped structure, under the action of the first spring 121, the slider 12 can be extruded into the groove 111 of the inserted link 11, then the inserted link 11 continues to slide in the groove 111 until the slider 12 reaches the clamping groove 22, under the action of the first spring 121, the slider 12 can be ejected into the clamping groove 22, so that the slider 12 is clamped and fixed in the groove 111, the contactor body 1 and the mounting seat shell 2 can be installed and fixed, when the contactor body needs to be disassembled, only two buttons 34 need to be pressed by two hands, under the action of the rotating shaft 35, rotate two connecting rods 32 for the ejector pin 31 with two connecting rods 32 relative one side moves along relative direction, thereby extrude the recess 111 in the inserted bar 11 with slider 12 in the draw-in groove 22, under reset spring 23's effect, can be with the ascending jack-up of inserted bar 11, make slider 12 and draw-in groove 22 dislocation, thereby dismantle the end, make contactor body 1's installation and dismantlement convenient and swift more, and need not use tools in addition.

In fig. 1: the bottom fixed mounting of contactor body 1 has two inserted bars 11 that are the symmetric distribution, and the jack 21 with 11 looks adaptations of inserted bar is seted up at the top of mount pad casing 2, and mount pad casing 2 is connected with contactor body 1 block, and through inserting the inserted bar 11 on contactor body 1 in the jack 21 of mount pad casing 2 to install and fix contactor body 1 and mount pad casing 2.

In fig. 2, sliders 12 are arranged on the left side and the right side of an insertion rod 11, grooves 111 are formed in the left side and the right side of the inside of the insertion rod 11, the sliders 12 are located inside the grooves 111, first springs 121 are fixedly mounted on the opposite sides of the two sliders 12, the sliders 12 are elastically connected with the grooves 111 through the first springs 121, the sliders 12 are arc-shaped mechanisms, the insertion rod 11 moves in an insertion hole 21, the sliders 12 are arc-shaped structures, the sliders 12 can be extruded into the grooves 111 of the insertion rod 11 under the action of the first springs 121, then the insertion rod 11 continues to slide in the grooves 111 until the sliders 12 reach the clamping grooves 22, the sliders 12 can be ejected into the clamping grooves 22 under the action of the first springs 121, and the sliders 12 are clamped and fixed in the grooves 111.

In fig. 3: the draw-in groove 22 with slider 12 looks adaptation is all seted up to the inner wall left and right sides of jack 21, and slider 12 block is fixed in draw-in groove 22, and the inside fixed mounting of jack 21 has reset spring 23, and draw-in groove 22 is used for carrying out the block fixed to slider 12 to fix the inserted bar 11 block in jack 21, install fixedly contactor body 1 and mount pad casing 2.

In fig. 4: the clamping groove 22 is provided with an adjusting mechanism 3, the adjusting mechanism 3 comprises two ejector rods 31, two connecting rods 32 and two supporting rods 33, the two connecting rods 32 are distributed in a cross manner, a rotating shaft 35 is arranged between the two connecting rods 32, the two connecting rods 32 are rotatably connected through the rotating shaft 35, the ejector rods 31 are fixedly arranged on opposite sides of the two connecting rods 32, the ejector rods 31 penetrate through the clamping groove 22 and extend into the clamping groove 22, the supporting rods 33 are fixedly arranged on the other ends of the connecting rods 32, a second spring 36 is fixedly arranged between the two supporting rods 33, the two supporting rods 33 are respectively sleeved with a button 34, when disassembly is needed, only two buttons 34 are pressed by two hands, the two connecting rods 32 are rotated under the action of the rotating shaft 35, so that the ejector rods 31 on opposite sides of the two connecting rods 32 are moved along opposite directions, and the sliding block 12 in the clamping groove 22 is extruded into the groove, under the effect of reset spring 23, can be with inserted bar 11 jack-up upwards for slider 12 and draw-in groove 22 dislocation, thereby dismantle the end, make contactor body 1's installation and dismantlement convenient and swift more, and need not use tools in addition.

The utility model discloses a theory of operation and use flow: through installing the inserted link 11 and the jack 21 which are matched with each other respectively at the bottom of the contactor body 1 and inside the mounting seat shell 2, when the contactor body 1 needs to be installed, the inserted link 11 on the contactor body 1 only needs to be inserted into the jack 21 on the mounting seat shell 2, the inserted link 11 moves in the jack 21, because the slider 12 is of an arc-shaped structure, under the action of the first spring 121, the slider 12 can be extruded into the groove 111 of the inserted link 11, then the inserted link 11 continues to slide in the groove 111 until the slider 12 reaches the clamping groove 22, under the action of the first spring 121, the slider 12 can be ejected into the clamping groove 22, so that the slider 12 is clamped and fixed in the groove 111, the contactor body 1 and the mounting seat shell 2 can be installed and fixed, when the contactor body needs to be disassembled, only two buttons 34 need to be pressed by two hands, under the action of the rotating shaft 35, rotate two connecting rods 32 for the ejector pin 31 with two connecting rods 32 relative one side moves along relative direction, thereby extrude the recess 111 in the inserted bar 11 with slider 12 in the draw-in groove 22, under reset spring 23's effect, can be with the ascending jack-up of inserted bar 11, make slider 12 and draw-in groove 22 dislocation, thereby dismantle the end, make contactor body 1's installation and dismantlement convenient and swift more, and need not use tools in addition.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a direct current contactor of permanent magnetism arc-extinguishing formula which characterized in that: the contactor comprises a contactor body (1) and a mounting seat shell (2), wherein two insertion rods (11) which are symmetrically distributed are fixedly mounted at the bottom of the contactor body (1), insertion holes (21) matched with the insertion rods (11) are formed in the top of the mounting seat shell (2), the mounting seat shell (2) is connected with the contactor body (1) in a clamping mode, sliders (12) are arranged on the left side and the right side of the insertion rods (11), grooves (111) are formed in the left side and the right side of the inner portion of the insertion rods (11), the sliders (12) are located in the grooves (111), first springs (121) are fixedly mounted on two opposite sides of the sliders (12), the sliders (12) are elastically connected with the grooves (111) through the first springs (121), clamping grooves (22) matched with the sliders (12) are formed in the left side and the right side of the inner wall of the insertion holes (21), the sliding block (12) is clamped and fixed in the clamping groove (22).

2. A permanent magnet arc extinguishing type direct current contactor according to claim 1, characterized in that: be equipped with adjustment mechanism (3) on draw-in groove (22), adjustment mechanism (3) include two ejector pins (31), two connecting rods (32) and two bracing pieces (33), two connecting rod (32) cross distribution, and two be equipped with pivot (35), two between connecting rod (32) pass through pivot (35) are rotated and are connected, two the equal fixed mounting in one side relatively of connecting rod (32) has ejector pin (31), ejector pin (31) run through draw-in groove (22) and extend to the inside of draw-in groove (22), just the other end fixed mounting of connecting rod (32) has bracing piece (33).

3. A permanent magnet arc extinguishing type direct current contactor according to claim 2, characterized in that: a second spring (36) is fixedly arranged between the two support rods (33).

4. A permanent magnet arc extinguishing type direct current contactor according to claim 2, characterized in that: two all the cover is equipped with button (34) on bracing piece (33).

5. A permanent magnet arc extinguishing type direct current contactor according to claim 1, characterized in that: and a return spring (23) is fixedly arranged in the insertion hole (21).

6. A permanent magnet arc extinguishing type direct current contactor according to claim 1, characterized in that: the sliding block (12) is an arc-shaped mechanism.

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