CN212934327U

CN212934327U - Cylindrical voltage current transformer shell

Info

Publication number: CN212934327U
Application number: CN202022349066.5U
Authority: CN
Inventors: 刘勇权
Original assignee: Tianjin Guangxin Photoelectric Technology Co ltd
Current assignee: Tianjin Guangxin Photoelectric Technology Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-04-09
Anticipated expiration: 2030-10-21

Abstract

The utility model relates to a current transformer shell technical field just discloses a cylindrical voltage current transformer shell, which comprises an outer shell, the even fixedly connected with in the outside of shell has a plurality of arcs to expand the board, the circular department that the bottom of shell corresponds the arc and expands the board has seted up the pin hole, the lower extreme fixedly connected with of shell and the connection barrel that pin hole position corresponds, connect barrel external screw thread and cup jointed a fixed barrel, the fixed intercommunication of lower extreme of a fixed barrel has a protection section of thick bamboo. The utility model discloses can realize the rapid Assembly to the mutual-inductor pin, and it is good to the protectiveness of pin, guaranteed life.

Description

Cylindrical voltage current transformer shell

Technical Field

The utility model relates to a current transformer shell technical field especially relates to a cylindrical voltage current transformer shell.

Background

The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The high voltage can be changed into low voltage, and the large current can be changed into small current for measuring or protecting the system.

At present, the cylindrical voltage current transformer shell is internally hollow, the pins of the transformer cannot be effectively assembled when the transformer is assembled, the transformer is easily worn and damaged, the pins penetrate through the lower end of the shell and are connected with leads, and the pins are exposed to be protected, so that the damage to the service life is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the cylindrical voltage current transformer shell among the prior art, inside all is empty, and the pin of mutual-inductor often can't effectively assemble when assembling the mutual-inductor, and easy wearing and tearing cause the damage, and the pin runs through the lower extreme and the pin connection of shell, and this makes the pin have one section to expose and can't obtain the protection, causes the problem that the damage influences life easily, and the cylindrical voltage current transformer shell that proposes.

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

the utility model provides a cylindrical voltage current transformer shell, includes the shell, the even fixedly connected with in the outside of shell has a plurality of arcs to expand the board, the bottom of shell corresponds the arc and expands the circular department of board and has seted up the pin hole, the lower extreme fixedly connected with of shell and the connection spiral shell section of thick bamboo that pin hole position corresponds, connection spiral shell section of thick bamboo external screw thread has cup jointed a fixed spiral shell section of thick bamboo, the fixed intercommunication of lower extreme of a fixed spiral shell section of thick bamboo has a protection section of thick bamboo.

Preferably, the outer wall of the upper end of the fixed screw cylinder extends integrally to form a gear ring plate, the gear ring plate is tightly attached to the lower end of the shell, and one side, close to the shell, of the gear ring plate is fixedly connected with a layer of anti-skidding wear-resistant rubber pad.

Preferably, a plurality of jacks which are annularly distributed are formed in the surface of the gear ring plate, and a limit insertion rod is inserted into the jacks in an movable mode, a plurality of limit insertion slots which are correspondingly inserted with the limit insertion rods are formed in the lower end of the shell, the limit insertion slots are formed in the lower end of the shell, the limit insertion rods are connected with the same reset pull plate, a plurality of reset springs are fixedly connected to the upper end of the reset pull plate and the lower end of the gear ring plate, and the reset springs are sleeved outside the limit insertion rods respectively.

Preferably, a plurality of the arc-shaped expansion plates and the shell are integrally extended.

Preferably, the inner diameter of the connecting screw cylinder is equal to the inner diameter of the protection cylinder.

Preferably, the heights of the shell and the arc-shaped expansion plate are equal.

Compared with the prior art, the utility model provides a cylindrical voltage current transformer shell possesses following beneficial effect:

1. this cylindrical voltage current transformer shell, expand the board through shell and the arc that is equipped with, the setting in pin hole is convenient for the installation of running through of mutual-inductor pin, make simple to operate, the protectiveness to the pin is good, the protection section of thick bamboo of suitable length is selected according to the length that the pin stretches out the shell again, the threaded connection effect that utilizes connection section of thick bamboo and fixed section of thick bamboo makes the protection section of thick bamboo can connect the lower extreme at the shell corresponding pin hole fast, keep off the fender at the lower extreme of shell this moment, make to connect comparatively firmly, can realize the rapid Assembly to the mutual-inductor pin, and the protectiveness to the pin is good, and service life is guaranteed.

2. This cylindrical voltage current transformer shell through spacing inserted bar and the spacing slot that is equipped with, is being connected the back at fixed spiral shell section of thick bamboo with connecting the spiral shell section of thick bamboo, and spacing inserted bar aligns spacing slot this moment, and reset spring draws back the arm-tie that resets, and the arm-tie that resets can realize keeping off the firm connection between ring plate and the shell with spacing inserted bar propulsion spacing slot in, can realize fixing the stability of a protection section of thick bamboo, has guaranteed the structure steadiness.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can realize the rapid Assembly to the mutual-inductor pin, and good to the protectiveness of pin, guarantee life.

Drawings

Fig. 1 is a schematic front view of a cylindrical voltage current transformer housing according to the present invention;

fig. 2 is a schematic top view of a cylindrical voltage-current transformer case according to the present invention;

fig. 3 is a schematic structural diagram of a portion a of a cylindrical voltage current transformer housing according to the present invention.

In the figure: the device comprises a shell 1, an arc-shaped expanding plate 2, pin holes 3, a connecting screw cylinder 4, a fixing screw cylinder 5, a protection cylinder 6, a gear ring plate 7, a limiting inserted rod 8, a limiting slot 9, a resetting pull plate 10 and a resetting spring 11.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a cylindrical voltage current transformer shell comprises a shell 1, wherein a plurality of arc-shaped expansion plates 2 are uniformly and fixedly connected to the outer side of the shell 1, pin holes 3 are formed in the bottom of the shell 1 corresponding to the circular positions of the arc-shaped expansion plates 2, a connecting screw cylinder 4 corresponding to the pin holes 3 is fixedly connected to the lower end of the shell 1, a fixed screw cylinder 5 is sleeved on the outer thread of the connecting screw cylinder 4, and a protection cylinder 6 is fixedly communicated with the lower end of the fixed screw cylinder 5.

The outer wall of the upper end of the fixed screw cylinder 5 extends integrally to form a gear ring plate 7, the gear ring plate 7 is tightly attached to the lower end of the shell 1, and one side, close to the shell 1, of the gear ring plate 7 is fixedly connected with a layer of anti-skid wear-resistant rubber pad.

A plurality of jacks which are annularly distributed are formed in the surface of the gear ring plate 7, and limiting insertion rods 8 are movably inserted into the jacks, a plurality of limiting insertion slots 9 which are correspondingly inserted with the limiting insertion rods 8 are formed in the lower end of the shell 1, the lower ends of the limiting insertion rods 8 are fixedly connected with the same reset pull plate 10, the upper end of the reset pull plate 10 and a plurality of reset springs 11 are fixedly connected with the lower end of the gear ring plate 7, and the reset springs 11 are respectively sleeved outside the limiting insertion rods 8.

The arc-shaped expansion plates 2 and the shell 1 are integrally extended.

The inner diameter of the connecting screw cylinder 4 is equal to the inner diameter of the protective cylinder 6.

The heights of the shell 1 and the arc-shaped expansion plate 2 are equal.

The utility model discloses in, during the use, expand board 2 through shell 1 and arc that is equipped with, the setting of pin hole 3 is convenient for the installation of running through of mutual-inductor pin, make simple to operate, the protectiveness to the pin is good, again stretch out the protection section of thick bamboo 6 of the suitable length of length selection of shell 1 according to the pin, utilize the threaded connection effect of connecting section of thick bamboo 4 and fixed section of thick bamboo 5 to make protection section of thick bamboo 6 can connect at the lower extreme that shell 1 corresponds pin hole 3 fast, keep off position ring plate 7 at the lower extreme of shell 1 this moment, make to connect comparatively firmly, can realize the rapid Assembly to the mutual-inductor pin, and the protectiveness to the pin is good, service life has been guaranteed, spacing inserted bar 8 and spacing slot 9 through being equipped with, after fixed section of thick bamboo 5 and connection section of thick bamboo 4 are connected, spacing inserted bar 8 aligns spacing slot 9 this moment, reset spring 11 pullback pull-back pull board 10 that resets, reset pull board 10 can realize keeping off between position ring plate 7 and the position ring plate 1 in advancing spacing slot The firm connection of can realize fixing the protection section of thick bamboo 6 firmly, guarantee the structural stability.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a cylindrical voltage current transformer shell, includes shell (1), its characterized in that, a plurality of arcs of the even fixedly connected with in outside of shell (1) expand board (2), the bottom of shell (1) corresponds the arc and expands the circular department of board (2) and seted up pin hole (3), the lower extreme fixedly connected with of shell (1) is connected spiral shell section of thick bamboo (4) that correspond with pin hole (3) position, connect spiral shell section of thick bamboo (4) external screw thread cup jointed fixed spiral shell section of thick bamboo (5), the fixed intercommunication of lower extreme of fixed spiral shell section of thick bamboo (5) has protection section of thick bamboo (6).

2. The cylindrical voltage current transformer shell as claimed in claim 1, wherein a retaining ring plate (7) is integrally extended from the outer wall of the upper end of the fixing screw cylinder (5), the retaining ring plate (7) is tightly attached to the lower end of the shell (1), and one side of the retaining ring plate (7) close to the shell (1) is fixedly connected with a layer of anti-skid wear-resistant rubber pad.

3. The cylindrical voltage current transformer shell according to claim 2, wherein a plurality of jacks distributed annularly are formed in the surface of the gear ring plate (7), a limiting insertion rod (8) is movably inserted in each jack, a plurality of limiting insertion slots (9) correspondingly inserted with the limiting insertion rods (8) are formed in the lower end of the shell (1), a plurality of reset pull plates (10) are fixedly connected to the lower ends of the limiting insertion rods (8), a plurality of reset springs (11) are fixedly connected to the upper ends of the reset pull plates (10) and the lower end of the gear ring plate (7), and the reset springs (11) are respectively sleeved outside the limiting insertion rods (8).

4. The cylindrical voltage current transformer shell according to claim 1, characterized in that a plurality of said arc-shaped expansion plates (2) are integrally extended with the shell (1).

5. A cylindrical voltage current transformer housing according to claim 1, characterized in that the inner diameter of the connecting screw cylinder (4) and the inner diameter of the protective cylinder (6) are equal.

6. A cylindrical voltage current transformer housing according to claim 1, characterized in that the housing (1) and the arc-shaped expansion plates (2) are equal in height.