CN220753324U - Direct current contactor contact cavity - Google Patents

Abstract

The utility model discloses a direct current contactor contact cavity, which belongs to the technical field of direct current contactors and comprises a direct current contactor body, wherein a contactor is connected in the direct current contactor body, a sealing plate is lapped on the direct current contactor body, a fixed plate is connected under the direct current contactor body, a guide rod is rotationally connected with the fixed plate, a protection plate is connected with the outside of the guide rod, an auxiliary plate is connected with the side surface of the fixed plate, and a coil spring is sleeved outside the guide rod. This direct current contactor contact chamber through setting up guard plate, accessory plate, wind spring, set square, swash plate and spring, this direct current contactor passes through the cooperation between wind spring, set square and the swash plate for the guard plate can play the effect of protection to the contactor under the condition that does not use, can be in quiescent condition after the guard plate turns over to suitable position when using, avoids this direct current contactor's contact intracavity portion to take place the phenomenon of short circuit because of gluing the dust, thereby has ensured this direct current contactor's life.

Description

Direct current contactor contact cavity

Technical Field

The utility model belongs to the technical field of direct current contactors, and particularly relates to a contact cavity of a direct current contactor.

Background

The DC contactor is characterized in that the iron core is a contactor controlled by a DC coil, the load of the DC contactor can be DC or AC, and the iron core of the DC contactor is different from the AC contactor, and has no vortex, so that the DC contactor is generally made of mild steel or industrial pure iron, and the current DC contactor is difficult to play a certain protection role on a contact cavity when not used, so that the phenomenon of short circuit of the inside of the contact cavity of the DC contactor due to dust is caused, and the DC contactor needs to be maintained for a plurality of times, thereby reducing the service life of the DC contactor.

Disclosure of Invention

In order to overcome the defects, the utility model provides the contact cavity of the direct current contactor, which solves the problems that the contact cavity of the direct current contactor is difficult to play a certain protection role when the direct current contactor is not used, the phenomenon of short circuit caused by dust adhesion in the contact cavity of the direct current contactor is caused, the direct current contactor needs to be maintained for many times, and the service life of the direct current contactor is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a direct current contactor contact chamber, includes the direct current ware body, be connected with the contactor in the direct current ware body, overlap joint has the closing plate on the direct current ware body, be connected with the fixed plate under the direct current ware body, fixed plate internal rotation is connected with the guide arm, the guide arm external connection has the guard plate, the side of fixed plate is connected with the accessory plate, the guide arm cup joints the wind spring outward, set up flutedly in the accessory plate, be connected with the set-square on the guard plate, sliding connection has the swash plate in the recess, one side of swash plate is connected with the movable rod, the movable rod external connection has the fixed disk, the movable rod overcoat has connect the spring.

As a further aspect of the utility model: the triangular plate is in lap joint with the inclined plate, and the fixed disc is in sliding connection with the auxiliary plate.

As a further aspect of the utility model: the movable rod is connected in the auxiliary plate in a sliding way, and the fixed disc is connected in the auxiliary plate through a spring.

As a further aspect of the utility model: the fixed plate is connected with the protection plate through the coil spring, and the triangular plate is lapped in the groove.

As a further aspect of the utility model: the side of the DC device body is provided with a chute, the sealing plate is in sliding connection with the chute, and the DC device body is internally connected with a threaded rod in a rotating way.

As a further aspect of the utility model: one end of the threaded rod is connected with a rotating rod, and the sealing plate is in threaded connection with the outside of the threaded rod.

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

1. this direct current contactor contact chamber through setting up guard plate, the accessory plate, the wind spring, the set square, swash plate and spring, this direct current contactor pulls through the carriage release lever when not using, the swash plate then can break away from with the set square when removing, the guard plate can reset through the effect of wind spring when losing the resistance, the guard plate can overlap joint in the side of contactor after reset, the set square of top can contact with the swash plate when can pushing the guard plate when using, the spring after reset then can overlap joint in the below of set square, this direct current contactor passes through the cooperation between wind spring, set square and the swash plate, the guard plate can play the effect of protection to the contactor under the condition that does not use, can be in quiescent condition after the guard plate turns over to suitable position when using, avoid this direct current contactor's contact intracavity portion to take place the phenomenon of short circuit because of gluing dust, follow-up need not to carry out maintenance treatment many times to this direct current contactor, thereby this direct current contactor's life has been ensured.

2. This direct current contactor contact cavity through setting up threaded rod and bull stick, when driving the threaded rod through the bull stick and rotate, the closing plate then can remove at the surface of threaded rod for the threaded rod can adjust the position of closing plate and handle, has avoided the closing plate to take place the phenomenon of clamping the shell in the position when removing.

3. This direct current contactor contact chamber through setting up the spout, when the closing plate when receiving thrust or pulling force, the closing plate then can slide in the spout for the spout plays certain guide effect to the closing plate, has avoided the phenomenon that the closing plate takes place the dislocation when removing.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of an auxiliary plate according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

in the figure: 1. a DC body; 2. a contactor; 3. a sealing plate; 4. a fixing plate; 5. a guide rod; 6. a protection plate; 7. an auxiliary plate; 8. a coil spring; 9. a triangle; 10. a groove; 11. a sloping plate; 12. a moving rod; 13. a fixed plate; 14. a spring; 15. a chute; 16. a threaded rod; 17. and (5) rotating the rod.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a direct current contactor contact cavity, including direct current ware body 1, be connected with contactor 2 in the direct current ware body 1, overlap joint has closing plate 3 on the direct current ware body 1, be connected with fixed plate 4 under the direct current ware body 1, the internal rotation of fixed plate 4 is connected with guide arm 5, the guide arm 5 is connected with guard plate 6 outward, the side of fixed plate 4 is connected with auxiliary plate 7, guide arm 5 overcoat has connect coil spring 8, fixed plate 4 is connected with guard plate 6 through coil spring 8, set square 9 overlap joint is in recess 10, spout 15 has been seted up to the side of direct current ware body 1, closing plate 3 sliding connection is in spout 15, through setting up spout 15, when closing plate 3 is receiving thrust or pulling force, closing plate 3 then can slide in spout 15, make spout 15 play certain guide action to closing plate 3, the phenomenon that dislocation takes place for closing plate 3 when moving has been avoided;

the direct current device body 1 is rotationally connected with the threaded rod 16, one end of the threaded rod 16 is connected with the rotating rod 17, the sealing plate 3 is in threaded connection with the outside of the threaded rod 16, and through the arrangement of the threaded rod 16 and the rotating rod 17, when the threaded rod 16 is driven to rotate by the rotating rod 17, the sealing plate 3 moves on the surface of the threaded rod 16, so that the threaded rod 16 can adjust the position of the sealing plate 3, and the phenomenon that the sealing plate 3 is blocked in the moving position is avoided;

the auxiliary plate 7 is internally provided with a groove 10, the protection plate 6 is connected with a triangular plate 9, the groove 10 is internally connected with a sloping plate 11 in a sliding way, one side of the sloping plate 11 is connected with a movable rod 12, the movable rod 12 is externally connected with a fixed disc 13, the movable rod 12 is externally sleeved with a spring 14, when the protection plate 6 loses resistance, the protection plate 6 can reset under the action of a coil spring 8 through the arrangement of a guide rod 5, and the protection plate 6 can rotate by taking the guide rod 5 as a center, so that the guide rod 5 plays a certain positioning role on the protection plate 6, and the phenomenon that the protection plate 6 collides during rotation is avoided;

the triangle 9 and the swash plate 11 overlap joint mutually, fixed disk 13 sliding connection is in auxiliary plate 7, movable rod 12 sliding connection is in auxiliary plate 7, fixed disk 13 passes through spring 14 to be connected in auxiliary plate 7, through setting up spring 14, can slide in auxiliary plate 7 when swash plate 11 receives thrust, and swash plate 11 can drive spring 14 and take place deformation when sliding, reset through spring 14 when swash plate 11 loses thrust for spring 14 plays certain supporting role to swash plate 11, has avoided swash plate 11 to take place the phenomenon that drops when removing.

The working principle of the utility model is as follows:

when the direct current contactor is not used, the movable rod 12 is pulled, the movable rod 12 drives the inclined plate 11 to slide in the auxiliary plate 7, the inclined plate 11 is separated from the triangular plate 9 when moving, the protection plate 6 is reset under the action of the coil spring 8 when the triangular plate 9 loses resistance, the protection plate 6 rotates around the guide rod 5, the protection plate 6 is lapped on the side face of the contactor 2 after reset, the side face of the contactor 2 is provided with a wiring hole and mainly connected with an external wire, the protection plate 6 is lapped on the side face and can protect the wiring hole, when the contactor is used, the protection plate 6 can push the inclined plate 6, the triangular plate 9 above the protection plate 6 is contacted with the inclined plate 11 when rotating, the inclined plate 11 can drive the movable rod 12 to move after being pushed, the fixed disc 13 can drive the spring 14 to deform when moving, the inclined plate 11 can reset under the action of the spring 14 after the triangular plate 9 moves to a proper position, and the spring 14 after reset can be lapped under the triangular plate 9;

the fixed contact of the contactor 2 corresponds to the sealing plate 3, when the upper part of the direct current device body 1 needs to be detected, the threaded rod 16 can be driven to rotate through the rotating rod 17, the sealing plate 3 can move on the surface of the threaded rod 16, the sealing plate 3 can slide in the sliding groove 15 when moving, the sealing plate 3 can be separated from a part above the direct current device body 1, otherwise, sealing treatment can be carried out, and the sealing plate 3 can be unfolded when the fixed contact of the contactor 2 is connected.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims (6)

1. A direct current contactor contact cavity comprising a direct current body (1), characterized in that: the novel high-voltage direct current contactor is characterized in that a contactor (2) is connected in the direct current contactor body (1), a sealing plate (3) is lapped on the direct current contactor body (1), a fixing plate (4) is connected under the direct current contactor body (1), a guide rod (5) is connected in a rotating mode, a protection plate (6) is connected outside the guide rod (5), an auxiliary plate (7) is connected to the side face of the fixing plate (4), a coil spring (8) is sleeved outside the guide rod (5), a groove (10) is formed in the auxiliary plate (7), a triangular plate (9) is connected to the protection plate (6), a sloping plate (11) is connected in the groove (10), a movable rod (12) is connected to one side of the sloping plate (11), a fixing plate (13) is connected outside the movable rod (12), and a spring (14) is sleeved outside the movable rod (12).

2. A dc contactor contact cavity according to claim 1, wherein: the triangular plate (9) is in lap joint with the inclined plate (11), and the fixed disc (13) is in sliding connection in the auxiliary plate (7).

3. A dc contactor contact cavity as claimed in claim 2, wherein: the movable rod (12) is slidably connected in the auxiliary plate (7), and the fixed disc (13) is connected in the auxiliary plate (7) through a spring (14).

4. A dc contactor contact cavity according to claim 1, wherein: the fixing plate (4) is connected with the protection plate (6) through a coil spring (8), and the triangular plate (9) is lapped in the groove (10).

5. A dc contactor contact cavity according to claim 4, wherein: the side of the direct current device body (1) is provided with a sliding groove (15), the sealing plate (3) is slidably connected in the sliding groove (15), and the direct current device body (1) is rotationally connected with a threaded rod (16).

6. A dc contactor contact cavity according to claim 5, wherein: one end of the threaded rod (16) is connected with a rotating rod (17), and the sealing plate (3) is in threaded connection with the outside of the threaded rod (16).