CN220651761U - Protective cover for outgoing line terminal - Google Patents

Abstract

The embodiment of the application discloses wire outlet terminal protection casing, including insulating cover body and connecting portion, the insulating cover body is connected with connecting portion, and the insulating cover body passes through connecting portion to be fixed on the insulator. The insulating cover body of the wire outlet terminal protective cover is covered on the wire outlet terminal, so that the wire outlet terminal is not exposed outside, indoor dust is isolated, dust drop of the indoor dust on the wire outlet terminal is reduced, meanwhile, small animals entering a distribution room can be prevented from touching the wire outlet terminal, and the problem that potential safety hazards are caused to safe operation of the dry-type transformer due to the fact that the high-voltage wire outlet terminal of the dry-type transformer is exposed outside can be effectively solved.

Description

Protective cover for outgoing line terminal

Technical Field

The application relates to the technical field of power equipment, in particular to an outgoing line terminal protective cover.

Background

Dry-type transformers are often installed indoors, and typically have high-voltage outgoing terminals exposed to the outside because they are less affected by the outdoor environment.

In the long-term operation process of the dry type transformer, indoor dust can fall on the high-voltage wire outlet terminal, the creepage distance of the dry type transformer is shortened, and meanwhile the risk that animals entering the distribution room touch the high-voltage wire outlet terminal exists.

Therefore, how to solve the problem of potential safety hazard to the safe operation of the dry-type transformer due to the exposure of the high-voltage outlet terminal of the dry-type transformer is a technical problem to be solved by the skilled person.

Disclosure of Invention

The application provides an outgoing terminal protection casing to solve because the high-voltage outgoing terminal of dry-type transformer exposes outside, cause the problem of potential safety hazard to dry-type transformer's safe operation.

In order to achieve the above object, the present application provides an outgoing terminal protection cover, comprising an insulation cover body and a connecting portion, wherein the insulation cover body is used for covering an outgoing terminal, the insulation cover body is connected with the connecting portion, the insulation cover body is installed on an insulator through the connecting portion,

a first slit is provided below the insulating cover body, and the insulating cover body can be broken along the first slit so that the outgoing terminal and the external cable are installed in the insulating cover body.

Preferably, in the wire outlet terminal protection cover, the shape of the connecting portion is adapted to the shape of the insulator, the connecting portion can be sleeved on the insulator, a second cutting seam is formed in the connecting portion, the connecting portion can be broken along the second cutting seam so that the connecting portion is sleeved on the insulator, and a first fastening component for locking the connecting portion on the insulator is arranged on the connecting portion.

Preferably, in the above wire outlet terminal protection cover, the first fastening component includes a first connecting plate and a first locking screw, the number of the first connecting plates is two and is respectively located at two sides of the length direction of the second kerf, a first threaded hole is formed in the first connecting plate, the first locking screw is installed in the first threaded hole, and the first connecting plates corresponding to the positions are connected through the first locking screw.

Preferably, in the wire outlet terminal protective cover, the connection part is an annular connection part;

the diameter of the annular connecting part is larger than the thickness of the insulating cover body along the direction perpendicular to the axis of the insulator.

Preferably, in the above-mentioned wire outlet terminal protective cover, the insulating cover body is a prismatic table insulating cover body,

the insulating cover body is provided with a first side plate of the connecting part and is perpendicular to the axial direction of the insulator.

Preferably, in the wire outlet terminal protection cover, an included angle between a second side plate, opposite to the first side plate, of the insulation cover body and an axis of the insulator is not larger than an included angle between a bending section of the insulator and the axis of the insulator.

Preferably, in the above-mentioned wire outlet terminal protective cover, the first slit is provided on a third side plate of the insulating cover body, the third side plate is located between the first side plate and the second side plate and below the insulating cover body,

the third side plate comprises a first sub-plate coplanar with the first side plate, a second sub-plate coplanar with the second side plate, a third sub-plate positioned between the first sub-plate and the second sub-plate, a fourth sub-plate opposite to the third sub-plate, and a fifth sub-plate positioned below the insulating cover,

the third sub-plate and the fourth sub-plate are U-shaped plates, the fifth sub-plate is used for blocking the lower end face of a cavity surrounded by the first sub-plate, the second sub-plate, the third sub-plate and the fourth sub-plate, the fifth sub-plate is provided with a first slit, and the first slit extends from one end, close to the connecting part, of the fifth sub-plate to one end, far away from the connecting part, of the fifth sub-plate.

Preferably, in the above-mentioned wire outlet terminal protective cover, the fifth sub-plate is provided with a second fastening member for adjusting the width of the first slit,

the second fastening assembly comprises a second connecting plate and second locking screws, the second connecting plate is connected with the fifth sub-plate and corresponds to the groove of the third sub-plate, the second connecting plates are symmetrically distributed on two sides of the first cutting joint, second threaded holes are formed in the second connecting plate, the second locking screws are installed in the second threaded holes, and the second connecting plates corresponding to the positions are connected through the second locking screws.

Preferably, in the above wire outlet terminal protective cover, the third side plate is provided with a wire inlet opening through which the wire outlet terminal passes and a wire outlet opening through which the external cable passes, the wire inlet opening and the wire outlet opening are both elongated openings, and the elongated openings penetrate through the first slit.

Preferably, in the wire outlet terminal protective cover, the insulating cover body and the connecting part are integrally formed; and/or the number of the groups of groups,

the insulating cover body is a rubber insulating cover body.

The outgoing terminal protection casing that this embodiment provided, including insulating cover body and connecting portion, insulating cover body is connected with connecting portion, and insulating cover body is used for the cover to establish on outgoing terminal, and insulating cover body passes through connecting portion to be fixed on the insulator, has offered on the insulating cover body and has been used for making insulating cover body broken off with fingers and thumb first kerf. When the cable is installed, the connecting part is connected with the insulator, the fixation of the wire outlet terminal protective cover on the insulator is ensured, the first kerf is broken off to enable the insulating cover body to be covered on the wire outlet terminal, and the external cable is connected with the wire outlet terminal in the insulating cover body. The insulating cover body of the wire outlet terminal protective cover is covered on the wire outlet terminal, so that the wire outlet terminal is not exposed outside, indoor dust is isolated, dust drop of the indoor dust on the wire outlet terminal is reduced, meanwhile, small animals entering a distribution room can be prevented from touching the wire outlet terminal, and the problem that potential safety hazards are caused to safe operation of the dry-type transformer due to the fact that the high-voltage wire outlet terminal of the dry-type transformer is exposed outside can be effectively solved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is apparent that the drawings in the following description are only some examples or embodiments of the present application, and it is possible for those of ordinary skill in the art to obtain other drawings from the provided drawings without inventive effort, and to apply the present application to other similar situations from the provided drawings. Unless otherwise apparent from the context of the language or otherwise specified, like reference numerals in the figures refer to like structures or operations.

Fig. 1 is a schematic structural view of a connection between an outgoing line terminal and an outgoing line terminal protective cover in the present application;

FIG. 2 is an isometric view of the outlet terminal hood of the present application;

fig. 3 is a front view of the outlet terminal hood of the present application;

FIG. 4 is a side view of the outlet terminal hood of the present application;

fig. 5 is a bottom view of the outlet terminal hood of the present application.

Wherein:

1. the insulation cover body, 11, first slit, 12, inlet wire trompil, 13, outlet wire trompil, 2, connecting portion, 21, second slit, 3, insulator, 4, outlet terminal, 5, first fastening assembly, 51, first connecting plate, 52, first locking screw, 6, second fastening assembly, 61, second connecting plate, 62, second locking screw.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and not limiting of the application. The described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

It should be noted that, for convenience of description, only a portion related to the related application is shown in the drawings. Embodiments and features of embodiments in this application may be combined with each other without conflict.

As used in this application and in the claims, the terms "a," "an," "the," and/or "the" are not specific to the singular, but may include the plural, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and they do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus. The inclusion of an element defined by the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises an element.

The terms "first" and "second" are used below for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

Flowcharts are used in this application to describe the operations performed by systems according to embodiments of the present application. It should be appreciated that the preceding or following operations are not necessarily performed in order precisely. Rather, the steps may be processed in reverse order or simultaneously. Also, other operations may be added to or removed from these processes.

Please refer to fig. 1-5.

The outgoing terminal shield disclosed herein is suitable for use with, but not limited to, a dry transformer.

Some embodiments of the application disclose a wire outlet terminal protective cover for protecting the wire outlet terminal 4 exposed outside of the dry-type transformer so as to eliminate potential safety hazards existing in long-term operation of the dry-type transformer.

The outgoing terminal 4 is mounted on the insulator 3, the outgoing terminal shield is also mounted on the insulator 3, and the insulator provides a mounting base for the outgoing terminal shield. The wire outlet terminal protection casing includes insulating cover body 1 and connecting portion 2, and insulating cover body 1 is connected with connecting portion 2, and connecting portion 2 installs on insulator 3, realizes insulating cover body 1 fixed on insulator 3, and insulating cover body 1 covers and establishes on wire outlet terminal 4, protects wire outlet terminal 4.

As shown in fig. 5, a first slit 11 is provided below the insulating cover 1, and the insulating cover 1 can be broken along the first slit 11 so that the insulating cover 1 can be covered on the outgoing terminal 4, and an external cable is put into the insulating cover 1 through the broken first slit 11 and connected with the outgoing terminal 4. Here, the width of the insulating cover 1 along the first slit 11 may be sufficient to meet the installation requirements of the outlet terminal 4 and the external cable. The outgoing line terminal protective cover disclosed by the application can protect the outgoing line terminal 4, and the connection between the outgoing line terminal 4 and an external cable is not influenced.

Preferably, the first slit 11 is opened along the axial direction of the insulator 3, and extends from one end of the insulating cover 1 close to the insulator 3 to one end of the insulating cover 1 far away from the insulator 3, so that the insulating cover 1 can be broken by a sufficient width, and difficulty in breaking the insulating cover 1 is reduced.

The utility model discloses a wire outlet terminal protection casing, including insulating cover body 1 and connecting portion 2, insulating cover body 1 is connected with connecting portion 2, and insulating cover body 1 passes through connecting portion 2 to be fixed on insulator 3. The insulating cover body 1 is covered on the outgoing line terminal 4, so that the outgoing line terminal 4 is not exposed, indoor dust is isolated, dust drop of the indoor dust on the outgoing line terminal 4 is reduced, meanwhile, small animals entering a distribution room can be prevented from touching the outgoing line terminal 4, and the problem that potential safety hazards are caused to safe operation of the dry-type transformer due to the fact that the high-voltage outgoing line terminal 4 of the dry-type transformer is exposed can be solved.

In order to avoid the wire outlet terminal shield from affecting the operation of the wire outlet terminal 4, a safe distance is maintained between each position inside the insulating housing 1 and the wire outlet terminal 4. The connection part 2 may be sleeved on the whole insulator 3, or may be sleeved only on the end of the insulator 3, or may be sleeved only on a certain position of the insulator 3. The specific connection is not particularly limited, and those skilled in the art can choose according to actual needs.

In some embodiments of the present application, the connection portion 2 is connected with an end portion of the insulator 3. In order to ensure the stability of the connection part 2 with the insulator 3, the shape of the connection part 2 is adapted to the shape of the insulator 3.

In order to reduce the connection difficulty of the connecting part 2 and the insulator 3, the scheme is provided with a second cutting slit 21 on the connecting part 2, and when the insulator is installed, the connecting part 2 is sleeved on the insulator 3 by breaking the second cutting slit 21.

As shown in fig. 5, the second slit 21 communicates with the first slit 11, and the second slit 21 is opened in the axial direction of the insulator 3, and the second slit 21 and the first slit 11 are opened in the same straight line. Since the first slit 11 and the second slit 21 communicate, the first slit 11 is simultaneously broken when the second slit 21 is broken. During installation, the connecting part 2 is sleeved on the insulator 3, and then the insulating cover body 1 is covered on the outlet terminal 4.

After the connecting part 2 is sleeved on the insulator 3, the connecting part 2 needs to be fastened on the insulator 3 through the first fastening component 5, specifically, the first fastening component 5 is arranged on the connecting part 2, and the first fastening component 5 can reduce the width of the second kerf 21 so as to realize the fastening connection between the connecting part 2 and the insulator 3.

In some embodiments of the present application, the first fastening assembly 5 includes a first connecting plate 51 and a first locking screw 52, the first connecting plate 51 is connected with the connecting portion 2 and symmetrically distributed on two sides of the length direction of the first slit 11, the two first connecting plates 51 corresponding to the positions are respectively provided with a first threaded hole, the first threaded holes on the two first connecting plates 51 corresponding to the positions are mutually communicated, the first locking screw 52 is installed in the first threaded hole, and the first connecting plates 51 corresponding to the positions are connected through the first locking screw 52.

When the insulator is installed, the first locking screw 52 passes through the first threaded holes on the two first connecting plates 51 corresponding to the positions, the first locking screw 52 is rotated, the two first connecting plates 51 corresponding to the positions are close to each other, the width of the second kerf 21 is reduced, and the connecting part 2 is locked on the insulator 3; when the insulator 3 is detached, the rotation direction of the first locking screw 52 is opposite to the rotation direction of the first locking screw 52 when the insulator 3 is mounted, the two first connecting plates 51 corresponding to the positions are separated from each other, the width of the second slit 21 is increased, a gap is formed between the connecting part 2 and the outer periphery of the insulator 3, and the connecting part 2 is detached from the insulator 3 by breaking the second slit.

Preferably, the first connection plate 51 is integrally formed with the connection portion 2.

Here, the first connection plate 51 and the first locking screw 52 are made of an insulating material.

As shown in fig. 4, in some embodiments of the present application, the number of the first connecting plates 51 is two and symmetrically distributed on two sides of the length direction of the second slit 21, and each first connecting plate 51 is provided with a first threaded hole, that is, the first fastening component 5 includes two first connecting plates 51 and a locking screw, and the two first connecting plates 51 are provided with first threaded holes corresponding to positions.

The function of the connection part 2 is to realize the connection between the insulating cover 1 and the insulator 3, and the connection part 2 has various structural forms. In some embodiments of the present application, the connection portion 2 is a ring-shaped connection portion, the shape of which is the same as that of the insulator 3. As shown in fig. 1, the outer periphery of the insulator 3 is approximately cylindrical, and accordingly, the connection portion 2 is a circular ring-shaped connection portion.

In other embodiments of the present application, the connection part 2 is a clip structure (not shown in the drawings), the clip structure is connected to the insulator 3, and the insulating cover 1 is mounted on the insulator 3 through the connection part 2 of the clip structure.

In other embodiments of the present application, the connection part 2 is a clip structure (not shown in the drawings), the head shape of the connection part 2 of the clip structure is adapted to the shape of the insulator 3, the connection part 2 is clamped on the insulator 3, and the insulating cover 1 is mounted on the insulator 3 through the connection part 2 of the clip structure.

As shown in fig. 4, the dimension of the insulating cover 1 along the axis direction perpendicular to the insulator 3 is smaller than the dimension of the connecting portion 2 along the axis direction perpendicular to the insulator 3, and the diameter of the annular connecting portion in the present application is larger than the thickness of the insulating cover 1 along the axis direction perpendicular to the insulator 3 on the premise of ensuring the safe distance between the insulating cover 1 and the outgoing terminal 4, so as to reduce the dimension of the outgoing terminal protective cover and reduce the cost.

Here, the circumferential dimension of the connection portion 2 is determined by the insulator 3, the dimension of the insulating cover 1 in the direction perpendicular to the axis of the insulator 3 is determined by the outgoing terminal 4, and how to design is determined by those skilled in the art according to the actual structures of the insulator 3 and the outgoing terminal 4 is not limited to the above dimensional relationship.

After the outgoing terminal 4 is installed on the insulator 3, the outgoing terminal is provided with a straight line section and a bending section, and as shown in fig. 1, an included angle between the straight line section and the bending section is an obtuse angle. In some embodiments of the present application, the insulating housing 1 is adapted to the shape of the outlet terminal 4, and the insulating housing 1 is designed as a prismatic table-shaped insulating housing.

The insulating cover 1 is not limited to a prismatic table shape, but may be a cylindrical shape, a rectangular parallelepiped shape, a spherical shape, or other shapes capable of protecting the outlet terminal 4, and may be selected according to actual needs by those skilled in the art.

In the embodiment in which the insulating cover 1 is a prismatic table-shaped insulating cover, as shown in fig. 1, 2 and 3, the prismatic table-shaped insulating cover includes a first side plate connected to the insulator 3, a second side plate opposite to the first side plate, a third side plate located between the first side plate and the second side plate and toward the free end of the bent section (or below the insulating cover 1), a fourth side plate opposite to the third side plate (or above the insulating cover 1), and a fifth side plate and a sixth side plate opposite to the fifth side plate, which are located between the third side plate and the fourth side plate. The first side plate, the second side plate, the third side plate, the fourth side plate, the fifth side plate and the sixth side plate will be described with reference to the view angle shown in fig. 2, wherein the first side plate is a side plate on the right side of the insulating cover 1, the second side plate is a side plate on the left side of the insulating cover 1, the third side plate is a side plate below the insulating cover 1, the fourth side plate is a side plate above the insulating cover 1, and the fifth side plate and the sixth side plate are front and rear side plates of the insulating cover 1.

The prismatic table-shaped insulating cover body is a closed cover body, and is used for protecting the outgoing line terminal 4 at various angles, so that dust drop of dust on the outgoing line terminal 4 can be effectively reduced, small animals can be prevented from contacting the outgoing line terminal 4, and the outgoing line terminal 4 is effectively protected.

As shown in fig. 1, the first side plate of the prismatic table insulating cover body is perpendicular to the axial direction of the insulator 3, so that the setting difficulty of the connecting part 2 on the prismatic table insulating cover body can be reduced, and meanwhile, the volume of the prismatic table insulating cover body is reduced, so that the installation difficulty of the insulating cover body 1 on the dry-type transformer is reduced.

As shown in fig. 1, 2 and 3, a connecting portion 2 is disposed on the first side plate, and the connecting portion 2 protrudes from the first side plate and is located outside the insulating cover 1. The connecting part 2 is positioned outside the insulating cover body 1, so that the connecting part 2 is convenient to connect with the insulator 3.

As shown in fig. 1, the second side plate is opposite to the first side plate, the second side plate is closer to the bending section of the wire outlet terminal 4 relative to the first side plate, the second side plate is an inclined side plate relative to the vertical direction, and an included angle between the second side plate and the axis of the insulator 3 is not larger than an included angle between the bending section of the insulator 3 and the axis of the insulator 3, that is, under the premise of ensuring a safe distance between the upper end of the second side plate and the upper end of the bending section, the included angle between the second side plate and the bending section can be 0 ° or larger than 0 °, and when the included angle between the second side plate and the bending section is larger than 0 °, the second side plate needs to be inclined from top to bottom in a direction away from the bending section so as to ensure that the distance between the second side plate and the bending section is at least a safe distance.

Preferably, the angle between the second side plate and the bent section may be 0 °, i.e. the second side plate is parallel to the bent section.

In some embodiments of the present application, a second fastening assembly 6 is provided on the third side plate, the second fastening assembly 6 being used to close the first slit 11, or the second fastening assembly 6 being used to reduce the width of the first slit 11 to reduce dust from entering the insulating cover 1, while preventing small animals from entering the insulating cover 1.

With reference to fig. 3 and 5, the first slit 11 is disposed on the third side plate, and the third side plate is located below the insulating cover body 1, so that the amount of dust entering the insulating cover body 1 can be reduced to a certain extent, and potential safety hazards caused by the dust on safe operation of the dry-type transformer are further eliminated; meanwhile, small animals can be effectively prevented from entering the insulating cover body 1, and the risk that the animals touch the high-voltage outlet terminal 4 is further reduced.

The third side plate may have a planar structure or a non-planar structure.

In the embodiment where the third side plate is in a planar structure (not shown in the drawings), the second fastening component 6 is connected to the third side plate and protrudes from the plane on which the third side plate is disposed.

In the embodiment of the third side plate with a non-planar structure, as shown in fig. 2, the third side plate is in a U-shaped three-dimensional structure, and includes a first sub-plate coplanar with the first side plate, a second sub-plate coplanar with the second side plate, a third sub-plate coplanar with the fifth side plate, a fourth sub-plate coplanar with the sixth side plate, and a fifth sub-plate parallel to the fourth side plate, where the fifth sub-plate is used to seal a lower section of a cavity surrounded by the first sub-plate, the second sub-plate, the third sub-plate and the fourth sub-plate, and an upper end surface of the cavity surrounded by the first sub-plate, the second sub-plate, the third sub-plate and the fourth sub-plate is communicated with an inner cavity of the insulating cover 1, the third sub-plate and the fourth sub-plate are U-shaped plates, the fifth sub-plate is approximately U-shaped, and the fifth sub-plate is provided with a first slit 11. In this embodiment, the second fastening member 6 is located in a recess of the fifth sub-plate and is connected to the fifth sub-plate.

The first slit 11 extends from one end of the fifth split plate close to the connecting portion 2 to one end of the fifth split plate far away from the connecting portion 2, namely, the first slit 11 penetrates through the fifth split plate, so that the insulating cover body 1 can be broken by a larger angle along the first slit 11, difficulty in covering the wire outlet terminal 4 by the insulating cover body 1 is reduced, and the wire outlet terminal 4 is prevented from being damaged.

Preferably, the first slit 11 is opened in the axial direction of the insulator 3.

The fifth sub-plate is provided with a second fastening member 6 for adjusting the width of the first slit 11. The second fastening assembly 6 comprises a second connecting plate 61 and second locking screws 62, the second connecting plate 61 is connected with the fifth sub-plate and corresponds to the groove of the third sub-plate, the second connecting plate 61 is symmetrically distributed on two sides of the first slit 11, second threaded holes are formed in the second connecting plate 61, the second locking screws 62 are installed in the second threaded holes, and the second connecting plates 61 corresponding to the second connecting plates are connected through the second locking screws 62.

Specifically, the second locking screw 62 passes through the second threaded holes on the two second connecting plates 61 corresponding to the positions, the second locking screw 62 is rotated in the first direction, the two second connecting plates 61 corresponding to the positions are close to each other, and the width of the first slit 11 is reduced; the first locking screw 52 is rotated in a second direction opposite to the first direction, and the two second connection plates 61 corresponding to the positions are separated from each other, so that the tip of the second locking screw 62 is separated from one of the second connection plates 61, and at this time, the insulating cover 1 can be broken away from the first slit 11. As shown in fig. 3 and 5, the second fastening assembly 6 includes two second connection plates 61 and two second locking screws 62, the two second connection plates 61 being symmetrically disposed at both sides of the first slit 11, one of the second locking screws 62 being adjacent to the high voltage outlet terminal 4, and the other second locking screw 62 being adjacent to the external cable.

Preferably, the lower ends of the second connecting plates 61 and the lower ends of the first connecting plates 51 are at most flush with the lower ends of the first sub-plates, and the first connecting plates 51 and the second connecting plates 61 with sharp lower ends do not protrude from the lower ends of the insulating cover 1, so as to avoid injuring installation personnel.

As shown in fig. 5, the inlet opening 12 is provided at an end of the fifth segment remote from the insulator 3, and the outlet opening 13 is provided at an end of the fifth segment near the insulator 3.

The insulator 3 is wrapped by the wire outlet terminal protective cover through the connecting part 2 and the first fastening component 5, the first cutting joint 11 is broken off, the high-voltage wire outlet terminal 4 is wrapped by the wire inlet opening 12 of the wire outlet terminal protective cover, the second locking screw 62 close to the high-voltage wire outlet terminal 4 is locked at the moment, and after the external cable passes through the wire outlet opening 13 to be connected with the high-voltage wire outlet terminal 4, the second locking screw 62 close to the external cable is locked. The outlet terminal 4 is in this application connected with an external cable in an outlet terminal hood.

Here, the second locking screw 62 is an insulating screw.

Preferably, the second connecting plate 61 is integrally formed with the third side plate.

In some embodiments of the present application, the inlet opening 12 and the outlet opening 13 are elongated holes, which extend through the first slit 11.

Preferably, the angle between the inlet opening 12 and the outlet opening 13 and the first slit 11 is 85 ° -95 °.

The insulation cover body 1 and the connecting part 2 of the outgoing line terminal protective cover of the dry-type transformer are integrally formed.

Specifically, the die for the wire outlet terminal protective cover is integrally formed after thermal shrinkage of insulating rubber.

The wire-out terminal shield is not limited to a rubber shield, but may be made of other insulating and flexible materials, and is not particularly limited herein.

The foregoing description is only illustrative of the preferred embodiments of the present application and the principles of the technology applied, and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. The scope of the application is not limited to the specific combination of the technical features described above, but also covers other technical solutions formed by any combination of the technical features described above or their equivalents without departing from the concept of the application described above. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims (10)

1. The wire outlet terminal protective cover is characterized by comprising an insulating cover body (1) and a connecting part (2), wherein the insulating cover body is used for being covered on a wire outlet terminal (4), the insulating cover body (1) is connected with the connecting part (2), the insulating cover body (1) is arranged on an insulator (3) through the connecting part (2),

a first slit (11) is arranged below the insulating cover body (1), and the insulating cover body (1) can be broken along the first slit (11) so that the outgoing terminal (4) and an external cable are arranged in the insulating cover body (1).

2. The outgoing terminal protection cover according to claim 1, characterized in that the shape of the connecting part (2) is adapted to the shape of the insulator (3), the connecting part (2) can be sleeved on the insulator (3), a second cutting slit (21) is formed in the connecting part (2), the connecting part (2) can be broken along the second cutting slit (21) so that the connecting part (2) is sleeved on the insulator (3), and a first fastening component (5) for locking the connecting part (2) on the insulator (3) is arranged on the connecting part (2).

3. The outgoing terminal protection cover according to claim 2, wherein the first fastening component (5) comprises a first connecting plate (51) and first locking screws (52), the first connecting plate (51) is connected with the connecting portion (2) and symmetrically distributed on two sides of the second kerf (21) in the length direction, first threaded holes are formed in the first connecting plate (51), the first locking screws (52) are installed in the first threaded holes, and the first connecting plates (51) corresponding to the first threaded holes are connected through the first locking screws (52).

4. A wire outlet terminal boot according to any one of claims 2-3, characterized in that the connection (2) is an annular connection;

the diameter of the annular connecting part is larger than the thickness of the insulating cover body (1) along the direction perpendicular to the axis of the insulator (3).

5. A wire outlet terminal protective cover according to any one of claims 1-3, characterized in that the insulating cover (1) is a prismatic table-shaped insulating cover,

the insulating cover body (1) is provided with a first side plate of the connecting part (2) and is perpendicular to the axis direction of the insulator (3).

6. The outgoing terminal protection cover according to claim 5, characterized in that the angle between the axis of the insulator (3) and the second side plate of the insulating cover body (1) opposite to the first side plate is not larger than the angle between the bent section of the insulator (3) and the axis of the insulator (3).

7. The outgoing terminal protection cover according to claim 6, characterized in that the first slit (11) is provided on a third side plate of the insulating cover (1), which is located between the first side plate and the second side plate and below the insulating cover (1);

the third side plate comprises a first sub plate coplanar with the first side plate, a second sub plate coplanar with the second side plate, a third sub plate positioned between the first sub plate and the second sub plate, a fourth sub plate opposite to the third sub plate, and a fifth sub plate positioned below the insulating cover body (1),

the third sub-plate and the fourth sub-plate are U-shaped plates, the fifth sub-plate is used for blocking the lower end face of a cavity formed by the first sub-plate, the second sub-plate, the third sub-plate and the fourth sub-plate, the fifth sub-plate is provided with a first slit (11), and the first slit (11) extends from one end, close to the connecting part (2), of the fifth sub-plate to one end, far away from the connecting part (2), of the fifth sub-plate.

8. The outlet terminal hood according to claim 7, characterized in that the fifth sub-plate is provided with a second fastening assembly (6) for adjusting the width of the first slit (11),

the second fastening assembly (6) comprises a second connecting plate (61) and second locking screws (62), the second connecting plate (61) is connected with the fifth sub-plate and corresponds to the grooves of the third sub-plate, the second connecting plate (61) is symmetrically distributed on two sides of the first cutting joint (11), second threaded holes are formed in the second connecting plate (61), the second locking screws (62) are installed in the second threaded holes, and the second connecting plate (61) corresponding to the second threaded holes is connected through the second locking screws (62).

9. The outgoing line terminal protection cover according to any one of claims 7-8, characterized in that the third side plate is provided with an incoming line opening (12) for the outgoing line terminal (4) to pass through and an outgoing line opening (13) for an external cable to pass through, and the incoming line opening (12) and the outgoing line opening (13) are elongated openings, and the elongated openings penetrate through the first slit (11).

10. The outgoing terminal protection cover according to any one of claims 1-3, 6-8, characterized in that the insulating cover body (1) is integrally formed with the connection portion (2); and/or the number of the groups of groups,

the insulating cover body (1) is a rubber insulating cover body.