CN220963022U - Current transformer shell with good stability - Google Patents

Abstract

The application belongs to the technical field of current transformers, and discloses a current transformer shell with good stability, which comprises a base, wherein the top end of the base is provided with the current transformer shell, the front end surface of the current transformer shell is provided with two threaded grooves, connecting bolts are arranged in the threaded grooves on the current transformer shell, the outer walls of the two connecting bolts are movably sleeved with protection mechanisms, the protection mechanisms comprise convex blocks, the convex blocks are fixedly connected to the outer wall of the current transformer shell, the front side and the rear side of the convex blocks are provided with through holes, and translation rods are arranged in the through holes on the convex blocks; according to the application, after the protection plate is moved to the periphery of the connecting bolt, the telescopic plate is controlled to extend out of the hidden groove on the protection plate and is attached to the line, the position of the telescopic plate is fixed through the locking screw, and then the rotating cover plate is controlled to rotate around the fixed rod to provide protection for the front end face of the connecting bolt, so that the line and the bolt are prevented from being exposed in the use process, and potential safety hazards exist.

Description

Current transformer shell with good stability

Technical Field

The application relates to the technical field of current transformers, in particular to a current transformer shell with good stability.

Background

The current transformer is a circuit for monitoring current by measuring voltage drop across a resistor on a current path, and consists of a closed iron core and windings, wherein the number of turns of a primary winding is small, the primary winding is connected in series in a circuit of the current to be measured, and therefore, the current transformer always has the whole current of the circuit flowing through, and the number of turns of a secondary winding is large, and the secondary winding is connected in series in a measuring instrument and a protection loop.

When the existing power transformer shells are connected with the lines, the lines are connected with the shells on the power transformers through bolts, and the lines and the bolts are exposed in the connecting mode, so that the bolts are in a conductive state, and certain potential safety hazards exist if workers touch the power transformer shells carelessly, so that the power transformer shells are to be improved.

In order to solve the problems, the application provides a current transformer shell with good stability.

Disclosure of utility model

The application provides a current transformer shell with good stability, which adopts the following technical scheme:

The utility model provides a current transformer casing that stability is good, includes the base, the top of base is equipped with the current transformer casing, the preceding terminal surface of current transformer casing is equipped with two screw thread grooves, just all be equipped with connecting bolt in the screw thread groove on the current transformer casing, two all movable sleeve is equipped with protection machanism on connecting bolt's the outer wall, protection machanism includes the lug, lug fixed connection is on the outer wall of current transformer casing, both sides are equipped with the through-hole around the lug, be equipped with the translation pole in the through-hole on the lug.

Through above-mentioned technical scheme, be convenient for connect into whole with circuit and current transformer casing and detect.

Further, the preceding terminal surface fixedly connected with fixed axle of translation pole, movable sleeve is equipped with the commentaries on classics board on the outer wall of fixed axle, fixedly connected with guard plate on the outer wall of commentaries on classics board, the bottom of guard plate is equipped with the opening, be equipped with two expansion plates in the opening.

Through the technical scheme, the periphery of the connecting bolt is protected conveniently, the connecting bolt and the circuit are prevented from being connected together, and the periphery of the connecting bolt cannot be protected by the protection plate.

Further, two additional blocks are fixedly connected to the outer wall of the protection plate, and locking screws are arranged on one sides, away from each other, of the two additional blocks.

Through above-mentioned technical scheme, be convenient for fix the expansion plate and use on required position.

Further, a fixed rod is fixedly connected to the side wall of the front end face of the protection plate, and a rotating cover plate is movably sleeved on the outer wall of the fixed rod.

Through above-mentioned technical scheme, be convenient for in the use, provide shielding and protection to connecting bolt's preceding terminal surface through rotating the cover plate.

Further, the back face of the rotating cover plate is provided with a hidden groove, and a rubber antiskid sheet is fixedly arranged on the inner wall of the hidden groove.

Through the technical scheme, the rotating cover plate is prevented from rotating randomly on the front end face of the protection plate.

Further, the diameter of the through hole on the protruding block is the same as that of the translation rod, and anti-skid folds are arranged on the inner wall of the through hole on the protruding block and the outer wall of the translation rod.

Through above-mentioned technical scheme, be convenient for in the use, ensure translation pole can translational motion and avoid its independently to take place the motion.

Further, two hidden grooves are formed in the protection plate, and the shape of the hidden grooves is identical to that of the telescopic plate.

Through above-mentioned technical scheme, be convenient for put into hidden recess with the expansion plate when not using and hide the placing.

In summary, the application has the following beneficial technical effects:

Through remove the guard plate to connecting bolt's periphery back, control expansion plate stretches out the hidden recess on the guard plate to laminating circuit, fix the position of expansion plate through locking screw this moment, the cover plate is rotated around the dead lever to the preceding terminal surface of connecting bolt in the reconversion provides the protection, avoids circuit and bolt to expose outside in the use, exists the potential safety hazard.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present application;

FIG. 2 is a schematic view of a protection mechanism according to the present application;

Fig. 3 is a schematic view of a partial structure of a protection mechanism according to the present application.

The reference numerals in the figures illustrate:

1. A base; 2. a current transformer housing; 3. a connecting bolt; 4. a protective mechanism; 5. a bump; 6. a translation rod; 7. a fixed shaft; 8. a rotating plate; 9. a protection plate; 10. a telescoping plate; 11. an additional block; 12. locking the screw rod; 13. a fixed rod; 14. the cover plate is rotated.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application; it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the protection scope of the present application.

In the description of the present application, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like 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 application will be understood in specific cases by those of ordinary skill in the art.

Examples:

The embodiment of the application discloses a current transformer shell with good stability, please refer to fig. 1, 2 and 3, which comprises a base 1, wherein the top end of the base 1 is provided with a current transformer shell 2, the front end surface of the current transformer shell 2 is provided with two threaded grooves, the threaded grooves on the current transformer shell 2 are internally provided with connecting bolts 3, the outer walls of the two connecting bolts 3 are movably sleeved with a protection mechanism 4, the protection mechanism 4 comprises a lug 5, the lug 5 is fixedly connected to the outer wall of the current transformer shell 2, the front side and the rear side of the lug 5 are provided with through holes, the through holes on the lug 5 are internally provided with translation rods 6, the front end surface of the translation rods 6 is fixedly connected with a fixed shaft 7, the outer wall of the fixed shaft 7 is movably sleeved with a rotating plate 8, the outer wall of the rotating plate 8 is fixedly connected with a protection plate 9, the bottom end of the protection plate 9 is provided with an opening, the opening is internally provided with two expansion plates 10, the inner walls of the expansion plates 10 and the inner walls of the protection plate 9 are respectively provided with insulating rubber plates, the situation that in the use process of electrifying is avoided, the protection plates 9 and the expansion plates 10 rotate around the fixed shaft 7, the fixed shaft 5 are fixedly connected to the outer peripheral bolts 3 through the control rotating plate 8, the rotating around the fixed shaft 7, the fixed plate 3, the outer peripheral bolts are movably connected to the outer peripheral bolts 3, and the protection bolts can not be effectively connected to the outer peripheral bolts 3, and the protection bolts can be effectively prevented from being connected.

Referring to fig. 2 and 3, two additional blocks 11 are fixedly connected to the outer wall of the protection plate 9, locking screws 12 are respectively arranged on one sides, away from each other, of the two additional blocks 11, and the positions of the expansion plates 10 can be fixed by penetrating the locking screws 12 through the outer walls of the additional blocks 11 and the protection plate 9 and then attaching the expansion plates 10 to avoid loosening in the protection process.

Referring to fig. 2 and 3, a fixing rod 13 is fixedly connected to a side wall of a front end face of the protection plate 9, a rotating cover plate 14 is movably sleeved on an outer wall of the fixing rod 13, and the rotating cover plate 14 is controlled to rotate around the fixing rod 13 and then is attached to an opening of the front end face of the protection plate 9, so that protection can be provided for the front end face of the connecting bolt 3.

Referring to fig. 2 and 3, a hidden groove is formed on the back surface of the rotating cover plate 14, and a rubber anti-slip sheet is fixedly mounted on the inner wall of the hidden groove, so that the rotating cover plate 14 is prevented from shaking at will after the rotating cover plate 14 is rotated to the front end surface of the connecting bolt 3.

Referring to fig. 1 and 2, the diameter of the through hole on the bump 5 is the same as that of the translational rod 6, and anti-slip folds are formed on the inner wall of the through hole on the bump 5 and the outer wall of the translational rod 6, so that the translational rod 6 can be guaranteed to move in a translational manner, and enough friction force between the translational rod 6 and the inner wall of the through hole on the bump 5 can be guaranteed to avoid loosening.

Referring to fig. 2 and 3, two hidden grooves are formed on the protection plate 9, and the shape of the hidden grooves is the same as that of the expansion plate 10, so that the expansion plate 10 can be conveniently ensured to be used in a position adjusting mode according to the thickness of a line connected with the connecting bolt 3, and the exposed area of the connecting bolt 3 is reduced.

The implementation principle of the embodiment is as follows: when the telescopic plate is used, a circuit is connected with the current transformer shell 2 through the connecting bolt 3, the translation rod 6 is controlled to translate in the through hole on the convex block 5, the protective plate 9 is moved to the periphery of the connecting bolt 3, the telescopic plate 10 is controlled to extend out of the hidden groove on the protective plate 9 and fit with the circuit, the position of the telescopic plate 10 is fixed through the locking screw 12, and the rotating cover plate 14 is controlled to rotate around the fixed rod 13 to provide protection for the front end face of the connecting bolt 3.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (7)

1. The utility model provides a current transformer casing that stability is good, includes base (1), its characterized in that: the top of base (1) is equipped with current transformer casing (2), the preceding terminal surface of current transformer casing (2) is equipped with two screw thread grooves, just all be equipped with connecting bolt (3) in the screw thread groove on current transformer casing (2), two all movable sleeve is equipped with protection machanism (4) on the outer wall of connecting bolt (3), protection machanism (4) include lug (5), lug (5) fixed connection is on the outer wall of current transformer casing (2), both sides are equipped with the through-hole around lug (5), be equipped with translation pole (6) in the through-hole on lug (5).

2. The current transformer housing of claim 1, wherein: the utility model discloses a translation pole, including translation pole (6), fixed axle (7) are connected with to preceding terminal surface fixedly, movable sleeve is equipped with on the outer wall of fixed axle (7) changes board (8), fixedly connected with guard plate (9) on the outer wall of changing board (8), the bottom of guard plate (9) is equipped with the opening, be equipped with two expansion plates (10) in the opening.

3. A stable current transformer housing according to claim 2, wherein: two additional blocks (11) are fixedly connected to the outer wall of the protection plate (9), and locking screws (12) are arranged on one sides, away from each other, of the two additional blocks (11).

4. A stable current transformer housing according to claim 2, wherein: a fixed rod (13) is fixedly connected to the side wall of the front end face of the protection plate (9), and a rotating cover plate (14) is movably sleeved on the outer wall of the fixed rod (13).

5. The stable current transformer housing of claim 4 wherein: the back face of the rotating cover plate (14) is provided with a hidden groove, and a rubber antiskid sheet is fixedly arranged on the inner wall of the hidden groove.

6. The current transformer housing of claim 1, wherein: the diameter of the through hole on the lug (5) is the same as that of the translational rod (6), and anti-skid folds are arranged on the inner wall of the through hole on the lug (5) and the outer wall of the translational rod (6).

7. A stable current transformer housing according to claim 2, wherein: two hidden grooves are formed in the protection plate (9), and the shape of each hidden groove is identical to that of the telescopic plate (10).