CN214428440U

CN214428440U - High-strength protective current transformer plastic shell

Info

Publication number: CN214428440U
Application number: CN202120929063.0U
Authority: CN
Inventors: 刘勇权
Original assignee: Tianjin Guangxin Photoelectric Technology Co ltd
Current assignee: Tianjin Guangxin Photoelectric Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-10-19
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to an electrical components technical field just discloses a high strength protection current transformer plastic casing, including base, plastic casing and two reinforcing plates, the return slot has been seted up to the upper surface of base, plastic casing's lower wall is placed in the return slot, two the reinforcing plate is fixed respectively and is located plastic casing's inside, two the reinforcing plate has all been seted up through-hole and lower surface and has been offseted the setting with the upper surface of base respectively, the equal activity of the left and right sides wall of plastic casing has cup jointed flexible lag, all fixed fastening sealing mechanism that is equipped with between the outer wall of two lateral walls and the flexible lag that corresponds about plastic casing. The utility model discloses have good sealing performance, can prevent moreover that current transformer's wire from being dragged and damaging.

Description

High-strength protective current transformer plastic shell

Technical Field

The utility model relates to an electrical components technical field especially relates to a high strength protection current transformer plastic casing.

Background

The current transformer is an instrument for converting a large current on a primary side into a small current on a secondary side according to an electromagnetic induction principle to measure, the current transformer is composed of a closed iron core and a winding, and the current transformer is easily influenced by dust and moisture to cause reduction of precision, so that the current transformer needs to be matched with a protective shell for use.

The inlet wire end and the outlet wire end of the existing high-strength protective current transformer plastic shell are not sealed tightly, dust and moisture easily enter the plastic shell, normal use of the current transformer is influenced, and the lead of the current transformer is not fixed firmly at the inlet wire end and the outlet wire end and is easily pulled to cause damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the inlet wire end and the leading-out terminal of prior art well intensity protection current transformer plastic casing and seal not tight, dust and moisture get into plastic casing's inside easily, influence current transformer's normal use, and current transformer's wire is insecure at the fixed of inlet wire end and leading-out terminal moreover, and the wire is dragged easily, leads to the problem of damage, and the high intensity protection current transformer plastic casing who provides.

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

the utility model provides a high strength protection current transformer plastic casing, includes base, plastic casing and two reinforcing plates, the return slot has been seted up to the upper surface of base, plastic casing's lower wall is placed in the return slot, two the reinforcing plate is fixed the inside of locating plastic casing respectively, two the reinforcing plate has all been seted up through-hole and lower surface and has been offseted the setting with the upper surface of base respectively, flexible lag has been cup jointed in the equal activity of the left and right sides wall of plastic casing, all fixed fastening sealing mechanism that is equipped with between the outer wall of two lateral walls and the flexible lag that corresponds about plastic casing.

Preferably, fastening sealing mechanism includes sleeve pipe, swivel sleeve and annular slab, the fixed left lateral wall of locating plastic casing of sleeve pipe, the right side inner wall and the sheathed tube outer wall threaded connection of swivel sleeve, the fixed left inside wall of locating the swivel sleeve of annular slab, flexible adapter sleeve and sealing washer have been cup jointed respectively to the outer wall of flexible lag, the left side inner wall of swivel sleeve cup joints with the outer wall activity of flexible adapter sleeve, the right side wall of annular slab sets up with the left side wall of sealing washer is supported.

Preferably, the left outer side wall and the right outer side wall of the plastic shell are both fixedly provided with two fixing plates, and each fixing plate is in threaded connection with the base through a bolt.

Preferably, the inner wall of the circular groove is fixedly provided with a sealing gasket, and the sealing gasket is abutted to the lower wall of the plastic shell.

Preferably, the outer wall of the left side of the flexible connecting sleeve is an inclined plane, and the inner wall of the left side of the rotary sleeve is arc-shaped.

Preferably, the outer wall of the left side of the sleeve is fixedly sleeved with a limiting ring.

Compared with the prior art, the utility model provides a high strength protection current transformer plastic casing possesses following beneficial effect:

1. this high strength protection current transformer plastic casing through the fastening sealing device who sets up two lateral walls about plastic casing, can fasten current transformer's wire, prevents that the wire from being dragged the damage, can seal inlet wire end and leading-out terminal moreover, prevents that dust and moisture from getting into plastic casing's inside and influencing current transformer's normal use.

2. This high strength protection current transformer plastic casing through setting up two reinforcing plates in plastic housing is inside, can provide sufficient holding power for plastic casing, improves plastic casing's bearing capacity, prevents that the heavy object from crushing plastic casing.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses have good sealing performance, can prevent moreover that current transformer's wire from being dragged and damaging.

Drawings

Fig. 1 is a schematic structural view of a plastic casing of a high-strength protective current transformer according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: the device comprises a base 1, a plastic shell 2, a reinforcing plate 3, a flexible protective sleeve 4, a sleeve 5, a rotary sleeve 6, a ring plate 7, a flexible connecting sleeve 8, a sealing ring 9, a fixing plate 10, a bolt 11, a sealing gasket 12, a limiting ring 13, a circular groove 14 and a through hole 15.

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 high strength protection current transformer plastic casing, including base 1, plastic casing 2 and two reinforcing plates 3, return groove 14 has been seted up to base 1's upper surface, plastic casing 2's lower wall is placed in return groove 14, two reinforcing plates 3 are fixed respectively and are located plastic casing 2's inside, through-hole 15 has all been seted up to two reinforcing plates 3 and the lower surface offsets with base 1's upper surface respectively sets up, flexible lag 4 has been cup jointed in the equal activity of the left and right sides wall of plastic casing 2, all fixed fastening sealing mechanism that is equipped with between the outer wall of two lateral walls and the flexible lag 4 that corresponds about plastic casing 2.

Fastening sealing mechanism includes sleeve pipe 5, swivel mount 6 and annular plate 7, the fixed left outside wall of locating plastic casing 2 of sleeve pipe 5, the right side inner wall of swivel mount 6 and sleeve pipe 5's outer wall threaded connection, the fixed left inside wall of locating swivel mount 6 of annular plate 7, flexible adapter sleeve 8 and sealing washer 9 have been fixed to the outer wall of flexible lag 4 respectively fixed the cover, the left side inner wall of swivel mount 6 cup joints with flexible adapter sleeve 8's outer wall activity, the right side wall of annular plate 7 sets up with the left side wall of sealing washer 9 is supported, fastening sealing mechanism can be fixed current transformer's wire, prevent that the wire from being dragged the damage, and can be sealed inlet wire end and leading-out terminal, prevent that dust and moisture from getting into plastic casing 2's inside and influencing current transformer's normal use.

The left and right outer side walls of the plastic shell 2 are fixedly provided with two fixing plates 10, each fixing plate 10 is connected with the base 1 through bolts 11 in a threaded mode, and the four fixing plates 10 and the four bolts 11 facilitate disassembly and assembly of the plastic shell 2.

The inner wall of the return groove 14 is fixedly provided with a sealing gasket 12, the sealing gasket 12 is abutted against the lower wall of the plastic shell 2, and the sealing gasket 12 can seal the connecting position of the return groove 14 and the plastic shell 2.

The left side outer wall of flexible connection sleeve 8 is the inclined plane, and the left side inner wall of rotary sleeve 6 is the arc, and when rotary sleeve 6 moved right, the left side inner wall can with the inclined plane sliding connection of the outer wall in flexible connection sleeve 8 left side, and then extrusion flexible connection sleeve 8 to can extrude flexible lag 4 and press from both sides the wire tightly, prevent that the wire from being dragged and damaging.

The outer wall of the left side of the sleeve 5 is fixedly sleeved with a limiting ring 13, and the limiting ring 13 can prevent the rotating sleeve 6 from being separated from the sleeve 5.

In the utility model, when in use, the current transformer is arranged inside the two through holes 15, then the lead of the current transformer respectively passes through the two flexible protective sleeves 4, the two rotary sleeves 6 are respectively rotated, when the rotary sleeves 6 move, the left inner wall can be in sliding connection with the inclined plane of the left outer wall of the flexible connecting sleeve 8, and then the flexible connecting sleeve 8 is extruded, thereby the flexible protective sleeves 4 can be extruded to clamp the lead tightly, the lead is prevented from being pulled and damaged, the two rotary sleeves 6 can drive the two annular plates 7 to move while moving, and further the two sealing rings 9 are tightly pressed, the sealing effect is improved, dust and moisture are prevented from entering the plastic shell 2 to influence the normal use of the current transformer, then the lower wall of the plastic shell 2 is placed in the circular groove 14, each bolt 11 is respectively screwed, the plastic shell 2 can be fixed on the upper surface of the base 1, the sealing gasket 12 in the circular groove 14 can seal the connecting position of the circular groove 14 and the plastic shell 2, the two reinforcing plates 3 can provide enough supporting force for the plastic shell 2, improve the bearing capacity of the plastic shell 2 and prevent the plastic shell 2 from being crushed by heavy objects.

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 high strength protection current transformer plastic casing, includes base (1), plastic casing (2) and two reinforcing plate (3), its characterized in that, return slot (14) have been seted up to the upper surface of base (1), place in return slot (14) the lower wall of plastic casing (2), two reinforcing plate (3) are fixed respectively in the inside of locating plastic casing (2), two through-hole (15) and lower surface offset the setting with the upper surface of base (1) respectively have all been seted up in reinforcing plate (3), flexible lag (4) have all been cup jointed in the equal activity of the left and right sides wall of plastic casing (2), all fixed fastening sealing mechanism that is equipped with between the outer wall of two lateral walls and the flexible lag (4) that correspond about plastic casing (2).

2. The high-strength protective current transformer plastic casing according to claim 1, wherein the fastening and sealing mechanism comprises a sleeve (5), a rotary sleeve (6) and a ring-shaped plate (7), the sleeve (5) is fixedly arranged on the left outer side wall of the plastic casing (2), the right inner wall of the rotary sleeve (6) is in threaded connection with the outer wall of the sleeve (5), the ring-shaped plate (7) is fixedly arranged on the left inner side wall of the rotary sleeve (6), the outer wall of the flexible protective sleeve (4) is respectively and fixedly sleeved with a flexible connecting sleeve (8) and a sealing ring (9), the left inner wall of the rotary sleeve (6) is movably sleeved with the outer wall of the flexible connecting sleeve (8), and the right side wall of the ring-shaped plate (7) is arranged in a manner of abutting against the left side wall of the sealing ring (9).

3. The plastic casing of the high-strength protective current transformer according to claim 1, wherein two fixing plates (10) are fixedly arranged on the left outer side wall and the right outer side wall of the plastic casing (2), and each fixing plate (10) is in threaded connection with the base (1) through a bolt (11).

4. The high-strength protective current transformer plastic shell as claimed in claim 1, wherein a sealing gasket (12) is fixedly arranged on the inner wall of the circular groove (14), and the sealing gasket (12) is abutted against the lower wall of the plastic shell (2).

5. The plastic casing of the high-strength protective current transformer according to claim 2, wherein the outer wall of the flexible connecting sleeve (8) on the left side is an inclined surface, and the inner wall of the rotating sleeve (6) on the left side is arc-shaped.

6. The plastic shell of a high-strength protection current transformer according to claim 2, characterized in that a limiting ring (13) is fixedly sleeved on the outer wall of the left side of the sleeve (5).