CN210837459U

CN210837459U - Current transformer

Info

Publication number: CN210837459U
Application number: CN201922334031.1U
Authority: CN
Inventors: 王怀松
Original assignee: Jiangsu Keyu Transformer Co ltd
Current assignee: Jiangsu Keyu Transformer Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-06-23
Anticipated expiration: 2029-12-23

Abstract

The utility model relates to a mutual inductive field of electric current, and a current transformer is disclosed, including coil stake, fixing base and mutual-inductor, the mutual-inductor comprises shell, coil stake and connector lug, the base is installed to the shell bottom, the fixing base is installed to the shell both sides, and is two sets of the fixing base welding is on the base surface, the through-hole has been seted up to base up end both sides, and through-hole internally mounted has the sucking disc, the pillar is installed to the sucking disc position in to the base up end, vertical air vent has been seted up in the pillar. This current transformer utilizes the fixing base to carry out preliminary installation to the mutual-inductor fixed, adsorbs the base at the mounted position through the negative pressure effect of sucking disc, stability when greatly having improved pedestal mounting to improve the safety in utilization of mutual-inductor, when needs lift up the mutual-inductor, only need upwards stimulate the pull ring, the pull ring upwards mentions the rubber ball through the connecting rod, thereby makes the air enter into the sucking disc through the air vent, and the sucking disc loses the adsorption affinity.

Description

Current transformer

Technical Field

The utility model relates to a mutual inductive field of electric current specifically is a current transformer.

Background

Current transformer converts the heavy current of once side into the instrument that the secondary side undercurrent comes the measurement according to the electromagnetic induction principle, sees from prior art, and usual power transformer is in the use, because long-time use gets into the dust in the position of wiring mouth easily to when the installation is dismantled, the installation is loaded down with trivial details, wastes time and energy, and inconvenient dismantlement, because mutual-inductor body weight is not low, causes very trouble when installing.

To this end, we have designed a current transformer.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a current transformer has solved the installation loaded down with trivial details, inconvenient dismantlement, the problem that gets into the dust easily.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a current transformer comprises a coil pile, fixing seats and a transformer body, wherein the transformer body comprises a shell, the coil pile and a connector lug, a base is installed at the bottom end of the shell, the fixing seats are installed on two sides of the shell, the two groups of fixing seats are welded on the surface of the base, through holes are formed in two sides of the upper end face of the base, suckers are installed inside the through holes, a support column is installed at the position, where the upper end face of the base is placed, of the sucker, a vertical air vent is formed in the support column and is communicated with the suckers, a boss is installed at the middle position of the air vent and is integrally formed with the support column, a support plate is welded at the top of the air vent, a plurality of through holes are evenly formed in the support plate, a vertical connecting rod is slidably installed on the support plate, a pull ring is welded, the bottom of connecting rod is located between backup pad and the boss and through glue fixed mounting have the rubber ball.

Further, a cavity is formed in the middle of the fixing seat, the fixing seat is located on one side of the opening of the shell and provided with a threaded hole, a bolt is connected with the threaded hole through threads, a clamping plate is installed at the middle position of the fixing seat, a groove is formed in the clamping plate, the groove is corresponding to the position of the bolt, and one side, close to the cavity, of the bolt is in arc-shaped structure and is connected with the groove in a clamped mode.

Furthermore, the coil pile is of a bending structure, and a coil is wound on the inner side of the coil pile.

Further, the connector lug is installed to coil pile one side near the shell opening, the frame is installed in the connector lug outside, fixedly connected with baffle in the middle of the frame, and the frame outside is connected with the lid through the pivot rotation.

Further, circular perforation has been seted up to the mutual-inductor intermediate position, coil pile outside parcel has the shell, and shell one side has seted up the opening.

The utility model has the advantages that:

1. the utility model discloses a, it is fixed to utilize the fixing base to carry out preliminary installation to the mutual-inductor, because the fixing base intermediate position has seted up the cavity, makes things convenient for splint to insert, utilizes the middle screw hole of seting up of fixing base, utilizes the bolt to pass screw hole and splint surface recess joint, and the recess joint on threaded rod and the splint reaches the purpose of preliminary fixing the mutual-inductor.

2. The utility model discloses a, the negative pressure through the sucking disc acts on the base and adsorbs the mounted position, stability when greatly having improved pedestal mounting to improve the safety in utilization of mutual-inductor, when needs lift up the mutual-inductor, only need upwards stimulate the pull ring, the pull ring upwards mentions the rubber ball through the connecting rod, thereby makes the air enter into the sucking disc through the air vent, and the sucking disc loses the adsorption affinity, convenient dismantlement, the installation of being convenient for.

Drawings

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

FIG. 2 is a top view of the fixing base structure of the present invention;

fig. 3 is an enlarged schematic view of a structure in fig. 1.

In the figure: 1. a housing; 2. a coil pile; 3. a fixed seat; 4. a rotating shaft; 5. a connector lug; 6. a base; 7. a pull ring; 8. a threaded hole; 9. a bolt; 10. a groove; 11. a cavity; 12. a splint; 13. a spring; 14. a support plate; 15. a vent hole; 16. a suction cup; 17. a rubber ball; 18. a pillar; 19. a boss; 20. a transformer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-3: a current transformer comprises a coil pile 2, fixing seats 3 and a transformer 20, wherein the transformer 20 comprises a shell 1, a coil pile 2 and a connector lug 5, a base 6 is installed at the bottom end of the shell 1, the fixing seats 3 are installed on two sides of the shell 1, the two groups of fixing seats 3 are welded on the surface of the base 6, through holes are formed in two sides of the upper end surface of the base 6, suckers 16 are installed inside the through holes, pillars 18 are installed on the upper end surface of the base 6, vertical vent holes 15 are formed in the pillars 18, the vent holes 15 are communicated with the suckers 16, bosses 19 are installed in the middle positions of the vent holes 15 and are integrally formed with the pillars 18, supporting plates 14 are welded at the tops of the vent holes 15, a plurality of through holes are evenly formed in the supporting plates 14, vertical connecting rods are slidably installed on the supporting plates 14, pull rings 7 are welded at, and the bottom of spring 13 and the last fixed surface of backup pad 14 are connected, the bottom of connecting rod is located between backup pad 14 and the boss 19 and has rubber ball 17 through glue fixed mounting, the negative pressure through sucking disc 16 acts on base 6 absorption at the mounted position, stability when greatly having improved base 6 installation, thereby the safety in utilization of mutual-inductor 20 has been improved, when needs lift mutual-inductor 20, only need upwards stimulate pull ring 7, pull ring 7 upwards mentions rubber ball 17 through the connecting rod, thereby make the air enter into sucking disc 16 through air vent 15, sucking disc 16 loses the adsorption affinity.

Wherein, cavity 11 is seted up in the middle of fixing base 3, and fixing base 3 is located 1 opening one side of shell and is seted up threaded hole 8, threaded hole 8 position threaded connection has bolt 9, splint 12 are installed to 3 intermediate positions of fixing base, and set up fluted 10 on splint 12, recess 10 position is corresponding with bolt 9 position, and one side that bolt 9 is close to cavity 11 is convex structure and recess 10 joint, because 3 intermediate positions of fixing base set up cavity 11, make things convenient for splint 12 to insert, utilize 3 middle threaded hole 8 of seting up of fixing base, utilize bolt 9 to pass threaded hole 8 and splint 12 surperficial recess 10 joints.

Wherein, the coil pile 2 is a bending structure, and the coil is wound on the inner side of the coil pile 2, so that the current can be converted.

Wherein, the connector lug 5 is installed to coil stake 2 near 1 opening one side of shell, and the frame is installed in the connector lug 5 outside, fixedly connected with baffle in the middle of the frame, and the frame outside is rotated through pivot 4 and is connected with the lid, protects connector lug 5, prevents that the dust from getting into.

Wherein, circular perforation has been seted up to mutual-inductor 20 intermediate position, and the parcel has shell 1 outside coil pile 2, and shell 1 one side has seted up the opening, improves the heat-sinking capability.

To sum up, the utility model works through the mutual inductor 20 when in use, utilizes the shell 1 to protect the wiring ring, utilizes the connector lug 5 to connect in and out, supports through the base 6, utilizes the fixing base 3 to carry out preliminary installation and fixation to the mutual inductor 20, because the middle position of the fixing base 3 is provided with the cavity 11, which is convenient for the insertion of the splint 12, utilizes the middle part of the fixing base 3 to be provided with the threaded hole 8, utilizes the bolt 9 to pass through the threaded hole 8 to be clamped with the surface groove 10 of the splint 12, the threaded rod is clamped with the groove 10 on the splint 12, thereby achieving the purpose of preliminary fixing the mutual inductor 20, utilizes the sucking discs 16 arranged at the two ends of the base 6 to fix the mutual inductor 20 again, adsorbs the base 6 at the installation position through the negative pressure effect of the sucking discs 16, greatly improves the stability when the base 6 is installed, thereby improving the use safety, only need upwards stimulate pull ring 7, pull ring 7 is upwards mentioned rubber ball 17 through the connecting rod to make the air enter into sucking disc 16 through air vent 15, sucking disc 16 loses the adsorption affinity, and convenient the dismantlement is convenient for install, has improved the practicality, has improved the use availability factor greatly.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a current transformer, includes coil pile (2), fixing base (3) and mutual-inductor (20), its characterized in that: the mutual inductor (20) comprises a shell (1), a coil pile (2) and a connector lug (5), a base (6) is installed at the bottom end of the shell (1), fixing seats (3) are installed on two sides of the shell (1), the two groups of fixing seats (3) are welded on the surface of the base (6), through holes are formed in two sides of the upper end face of the base (6), suckers (16) are installed inside the through holes, pillars (18) are installed on the upper end face of the base (6) in a position where the suckers (16) are arranged, vertical vent holes (15) are formed in the pillars (18), the vent holes (15) are communicated into the suckers (16), bosses (19) are installed at the middle positions of the vent holes (15), the bosses (19) and the pillars (18) are integrally formed, a support plate (14) is welded at the tops of the vent holes (15), and a, slidable mounting has vertical connecting rod on backup pad (14), and the top welding pull ring (7) of connecting rod, the bottom surface of pull ring (7) and the top fixed connection of spring (13), and the last fixed surface of the bottom of spring (13) and backup pad (14) is connected, the bottom of connecting rod is located between backup pad (14) and boss (19) and has rubber ball (17) through glue fixed mounting.

2. A current transformer according to claim 1, wherein: the improved bolt fastening device is characterized in that a cavity (11) is formed in the middle of the fixing seat (3), a threaded hole (8) is formed in one side, close to an opening, of the shell (1) of the fixing seat (3), a bolt (9) is connected to the position of the threaded hole (8) in a threaded mode, a clamping plate (12) is installed at the middle of the fixing seat (3), a groove (10) is formed in the clamping plate (12), the position of the groove (10) corresponds to the position of the bolt (9), and one side, close to the cavity (11), of the bolt (9) is connected with the groove.

3. A current transformer according to claim 1, wherein: the coil pile (2) is of a bending structure, and a coil is wound on the inner side of the coil pile (2).

4. A current transformer according to claim 3, wherein: coil stake (2) are close to shell (1) opening one side and install connector lug (5), the frame is installed in connector lug (5) outside, fixedly connected with baffle in the middle of the frame, and the frame outside is rotated through pivot (4) and is connected with the lid.

5. A current transformer according to claim 1, wherein: circular perforation has been seted up to mutual-inductor (20) intermediate position, coil pile (2) outside parcel has shell (1), and shell (1) one side has seted up the opening.