CN220774228U - Direct current contactor structure - Google Patents

Abstract

The utility model discloses a direct current contactor structure, which belongs to the technical field of direct current contactors and comprises a shell, wherein a bottom plate is clamped under the shell, a limiting device is clamped on the bottom plate, the limiting device comprises four guide posts, the four guide posts are clamped on the bottom plate, a fixing sleeve is sleeved outside the guide posts, and a sealing cover is clamped at one end of the fixing sleeve. This direct current contactor structure, through setting up casing and stationary contact, when inside movable contact mechanism appears damaging and need maintain, after pressing two removal cutting ferrule in opposite directions, remove the cutting ferrule and can extrude the fixture block, and then compress the elastic telescopic link that corresponds, and sealed lid and sealing washer can block external steam and dust, avoid the device to receive the influence of external steam and dust and appear damaging the condition, and can dismantle and change inner structure fast, when convenient maintenance has still ensured the result of use of device.

Description

Direct current contactor structure

Technical Field

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

Background

The direct current contactor generally adopts an electromagnetic system formed by a coil and an iron core as a control and execution component to drive a mechanism inside the contactor to connect or disconnect a moving contact and a static contact so as to realize a switching function, but most of the existing devices are integrated structures, so that the maintenance of the internal structure is inconvenient, the moving contact is easy to be damaged due to the influence of external water vapor and dust after being used for a long time, and the existing devices are difficult to detach and replace quickly, so that the use effect of the existing devices is affected.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a direct current contactor structure, which solves the problems that the direct current contactor is easily damaged due to the influence of external water vapor and dust and is difficult to detach and replace quickly.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a direct current contactor structure, includes the casing, the joint has the bottom plate under the casing, the joint has stop device on the bottom plate, stop device includes the guide post, the quantity of guide post is four, four equal joint of guide post on the bottom plate, the guide post overcoat has the fixed cover, the one end joint of fixed cover has sealed lid, two fixed orificess have all been seted up to both sides in the sealed lid, the fixed orificess endotheca has connected the removal cutting ferrule, the opposite face joint of removal cutting ferrule and sealed lid has same spring, the equal joint of both sides of casing has two elastic telescopic links, corresponds the one end joint of two elastic telescopic links and has same fixture block.

As a further aspect of the utility model: the clamping block is wedge-shaped, and limiting plates are clamped on two sides in the sealing cover.

As a further aspect of the utility model: the fixture block overlap joint is on the limiting plate, the side overlap joint of fixture block is outside the removal cutting ferrule.

As a further aspect of the utility model: the movable contact mechanism is arranged in the shell, the coil is arranged in the movable contact mechanism, and the clamping groove is formed in the shell.

As a further aspect of the utility model: two sealing rings are clamped in the sealing cover, and a stationary contact is connected in a sliding manner in the sealing rings.

As a further aspect of the utility model: the bottom plate joint has the spliced pole under, the bottom joint of spliced pole has the current-conducting plate.

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

1. this direct current contactor structure through setting up casing, the bottom plate, stop device, the limiting plate, sealing washer and stationary contact, when inside movable contact mechanism appears damaging and needs the maintenance, after pressing two removal cutting ferrule in opposite directions, remove the cutting ferrule and can extrude the fixture block, and then compress corresponding elastic expansion link, later upwards pick up sealed lid, and sealed lid can drive fixed cover synchronous movement, and then can separate with the guide post, and sealed lid and sealing washer can block external steam and dust, avoid the device to receive the influence of external steam and dust and appear damaging the condition, and can dismantle and change inner structure fast, when convenient maintenance has still ensured the result of use of device.

2. This direct current contactor structure through setting up guide post, fixed sleeve, sealed lid, fixed orifices, removal cutting ferrule and spring for after changing movable contact mechanism, guide post is aimed at to the fixed sleeve, and then presses sealed lid, and sealed lid drives the limiting plate and extrudees the fixture block downwards, makes the fixture block can overlap joint on the limiting plate and extrude the spring, makes to remove the cutting ferrule and can outwards slide in the fixed orifices, makes the device install that the device can be quick, when having reduced the installation degree of difficulty, further improved the maintenance efficiency of maintenance of the device.

3. This direct current contactor structure, through setting up sealing washer and fixed orifices, and sealing washer and sealed mutually supporting of lid can be further blockked external steam and dust, avoid influencing inside structure, ensured the device's life, and the fixed orifices mutually supporting of removal cutting ferrule can avoid removing the cutting ferrule and appear the dead condition of skew card when removing, has ensured the flexibility of removal cutting ferrule 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 structure of a seal ring according to the present utility model;

FIG. 3 is a schematic view of a stationary contact in a three-dimensional configuration according to the present utility model;

FIG. 4 is a schematic view showing a three-dimensional structure of a sealing cover according to the present utility model;

in the figure: 1. a housing; 2. a bottom plate; 3. a limiting device; 301. a guide post; 302. a fixed sleeve; 303. sealing cover; 304. a fixing hole; 305. moving the cutting sleeve; 306. a spring; 307. an elastic telescopic rod; 308. a clamping block; 4. a limiting plate; 5. a movable contact mechanism; 6. a seal ring; 7. a stationary contact; 8. a connecting column; 9. and a conductive plate.

Detailed Description

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

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a direct current contactor structure, including casing 1, be equipped with movable contact mechanism 5 in the casing 1, be equipped with the coil in the movable contact mechanism 5, the draw-in groove has been seted up outward to casing 1, the joint has bottom plate 2 under the casing 1, the joint has spliced pole 8 under the bottom plate 2, the bottom joint of spliced pole 8 has conducting plate 9, through setting up conducting plate 9, and conducting plate 9 can conveniently carry out electric conduction to the internal coil, and then can drive movable contact mechanism 5 and carry out corresponding motion, thereby reach the result of use of device;

the bottom plate 2 is clamped with the limiting device 3, the limiting device 3 comprises four guide posts 301, the four guide posts 301 are clamped on the bottom plate 2, and the guide posts 301 and the fixed sleeve 302 are matched with each other through the arrangement of the guide posts 301, so that the condition that the sealing cover 303 is blocked due to offset during installation can be avoided, and the stability of the sealing cover 303 during installation is ensured;

the guide post 301 is sleeved with the fixing sleeve 302, one end of the fixing sleeve 302 is clamped with the sealing cover 303, two sealing rings 6 are clamped in the sealing cover 303, and the sealing rings 6 and the sealing cover 303 are matched with each other through the sealing rings 6, so that external water vapor and dust can be further blocked, the influence on the internal structure is avoided, and the service life of the device is guaranteed;

the fixed contact 7 is connected in a sliding manner in the sealing ring 6, two fixing holes 304 are formed in two sides in the sealing cover 303, and through the mutual matching of the fixing holes 304 and the movable clamping sleeve 305, the situation that the movable clamping sleeve 305 is blocked due to offset in the moving process can be avoided, and the flexibility of the movable clamping sleeve 305 in the moving process is ensured;

the movable clamping sleeve 305 is sleeved in the fixed hole 304, the same spring 306 is clamped on the opposite surfaces of the movable clamping sleeve 305 and the sealing cover 303, two elastic telescopic rods 307 are clamped on two sides of the shell 1, and the elastic telescopic rods 307 and the clamping blocks 308 are mutually matched through the arrangement of the elastic telescopic rods 307, so that the movable clamping sleeve 305 can be extruded and clamped under the action of the limiting plate 4, and the situation that the sealing cover 303 deviates and falls off can be avoided;

one end of each corresponding two elastic telescopic rods 307 is clamped with the same clamping block 308, the clamping blocks 308 are wedge-shaped, limiting plates 4 are clamped on two sides in the sealing cover 303, the clamping blocks 308 are lapped on the limiting plates 4, and the side faces of the clamping blocks 308 are lapped outside the movable clamping sleeve 305.

The working principle of the utility model is as follows:

when the device is used, when the movable contact mechanism 5 is damaged and needs to be maintained, after two movable clamping sleeves 305 are pressed oppositely, the movable clamping sleeves 305 can squeeze clamping blocks 308 to compress corresponding elastic telescopic rods 307, then the sealing cover 303 is lifted upwards, the sealing cover 303 can drive the fixed sleeve 302 to synchronously move and further separate from the guide post 301, when the movable contact mechanism 5 is replaced, the fixed sleeve 302 is aligned with the guide post 301 to press the sealing cover 303, the sealing cover 303 drives the limiting plate 4 to downwards squeeze the clamping blocks 308, after the corresponding elastic telescopic rods 307 are compressed, the clamping blocks 308 can be lapped on the limiting plate 4 and squeeze springs 306, and the movable clamping sleeves 305 can slide outwards in the fixing holes 304, so that the installation can be completed.

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. The utility model provides a direct current contactor structure, includes casing (1), its characterized in that: the utility model discloses a clamping sleeve type movable clamping sleeve is characterized in that a bottom plate (2) is clamped under a shell (1), a limiting device (3) is clamped on the bottom plate (2), the limiting device (3) comprises four guide posts (301), the four guide posts (301) are clamped on the bottom plate (2), a fixed sleeve (302) is sleeved outside the guide posts (301), one end of the fixed sleeve (302) is clamped with a sealing cover (303), two fixing holes (304) are formed in two sides in the sealing cover (303), a movable clamping sleeve (305) is sleeved in the fixing holes (304), one spring (306) is clamped on the opposite surfaces of the movable clamping sleeve (305) and the sealing cover (303), two elastic telescopic rods (307) are clamped on two sides of the shell (1), and one clamping block (308) is clamped on one end of the corresponding two elastic telescopic rods (307).

2. A dc contactor structure according to claim 1, wherein: the clamping block (308) is wedge-shaped, and limiting plates (4) are clamped on two sides in the sealing cover (303).

3. A dc contactor structure as claimed in claim 2, wherein: the clamping block (308) is lapped on the limiting plate (4), and the side surface of the clamping block (308) is lapped outside the movable clamping sleeve (305).

4. A dc contactor structure according to claim 1, wherein: the movable contact mechanism (5) is arranged in the shell (1), a coil is arranged in the movable contact mechanism (5), and a clamping groove is formed in the outside of the shell (1).

5. A dc contactor structure according to claim 1, wherein: two sealing rings (6) are clamped in the sealing cover (303), and a stationary contact (7) is connected in a sliding manner in the sealing rings (6).

6. A dc contactor structure according to claim 1, wherein: the bottom plate (2) lower joint has spliced pole (8), the bottom joint of spliced pole (8) has conducting plate (9).