CN213366370U - Connecting insert for voltage transformer - Google Patents
Connecting insert for voltage transformer Download PDFInfo
- Publication number
- CN213366370U CN213366370U CN202022750382.3U CN202022750382U CN213366370U CN 213366370 U CN213366370 U CN 213366370U CN 202022750382 U CN202022750382 U CN 202022750382U CN 213366370 U CN213366370 U CN 213366370U
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- voltage transformer
- insert
- threaded holes
- insert body
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Abstract
The utility model discloses a connecting insert for a voltage transformer, which comprises an insert body with a rectangular structure, wherein the insert body is provided with a threaded hole for connecting a lead; the method is characterized in that: the number of the threaded holes is M; the M threaded holes are at least positioned on two surfaces of the insert body, and the two surfaces are vertical to each other; m is the natural number that is greater than 1, the screw hole is two, two screw hole mutually perpendicular and intercommunication, and two screw holes are linked together, and every screw hole's size is the same. The utility model discloses set up two screw holes on a connection inserts. Under the condition that the mutual inductor is upright, if one internal thread hole is in the horizontal direction with the ground, the other internal thread hole is in the vertical direction with the ground. When the voltage transformer is installed, a customer can select any one of the threaded holes according to installation requirements, so that the installation of the customer is greatly facilitated, the bending degree of the secondary lead is effectively reduced, and the phenomenon of breaking of a copper wire in the secondary lead is prevented.
Description
Technical Field
The utility model belongs to the technical field of voltage transformer, especially, relate to a voltage transformer is with connecting inserts.
Background
As is well known, a Voltage Transformer (PT for short) is an instrument for transforming Voltage, similar to a Transformer. However, the purpose of transforming voltage by the transformer is to conveniently transmit electric energy, so that the capacity is very large, and usually kilovolt-ampere or mega volt-ampere is taken as a calculation unit; the voltage transformer is mainly used for supplying power to a measuring instrument and a relay protection device, measuring the voltage, power and electric energy of a line, or protecting valuable equipment, a motor and a transformer in the line when the line fails, so that the capacity of the voltage transformer is small, generally only a few volt-amperes and dozens of volt-amperes, and the maximum voltage of the voltage transformer does not exceed one thousand volt-amperes. The terms introduce their basic structure, principle of operation, main type, wiring, notes, exceptions and manipulations, ferroresonance, etc.
At present, various connecting pieces are frequently required to be used in the production and assembly process of the voltage transformer, wherein the most commonly used secondary insert with a threaded hole is used, and when the voltage transformer is upright, the inner threaded hole of the secondary insert is vertical to the ground. Because of the difference of the installation position, the secondary lead of the connecting insert inevitably has a bending phenomenon, and under the condition of narrow installation space, the more serious the bending degree is, the more easily the copper wire in the secondary lead is broken, so that the secondary side instrument, the instrument or the relay protection device which are connected cannot work normally.
In addition, with the continuous aging of the secondary lead, the outer insulation surface skin at the bending part is most prone to fracture, and the copper wire inside is exposed outside. Greatly shortening the service life of the secondary lead. In order to avoid this phenomenon, it is important to design and develop a connection insert for a voltage transformer that can solve the above problems.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solve the above problems and to provide a connecting insert for a voltage transformer.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a connecting insert for a voltage transformer comprises an insert body (1) with a rectangular structure, wherein a threaded hole for connecting a lead is formed in the insert body (1);
the number of the threaded holes is M; the M threaded holes are at least positioned on two surfaces of the insert body (1), and the two surfaces are vertical to each other; m is a natural number greater than 1.
Preferably: the number of the threaded holes is two.
Preferably: the two threaded holes are mutually vertical and communicated.
Preferably: the two threaded holes are communicated.
Preferably: each threaded hole is the same size.
The utility model has the advantages that:
by adopting the technical scheme, the utility model discloses set up two screw holes on a connection inserts. Under the condition that the mutual inductor is upright, if one internal thread hole is in the horizontal direction with the ground, the other internal thread hole is in the vertical direction with the ground. When the voltage transformer is installed, a customer can select any one of the threaded holes according to installation requirements, so that the installation of the customer is greatly facilitated, the bending degree of the secondary lead is effectively reduced, and the phenomenon of breaking of a copper wire in the secondary lead is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is an axial cross-sectional view of a preferred embodiment of the invention;
fig. 2 is a left side view of the preferred embodiment of the present invention;
fig. 3 is a top view of the preferred embodiment of the present invention.
In the figure: 1. an insert body; 2. a first threaded hole; 3. and a second threaded hole.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. 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.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those 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 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 to 3, a connecting insert for a voltage transformer includes an insert body 1 having a rectangular structure, and is characterized in that: a threaded hole for connecting a lead is formed in the insert body 1; to achieve better operability: the preferred embodiment employs the following technical improvements:
the number of the threaded holes is two; respectively named as: a first threaded hole 2 and a second threaded hole 3; the first threaded hole 2 is formed in the upper surface of the insert body 1, and the second threaded hole 3 is formed in the left side surface of the insert body 1; the first threaded hole 2 and the second threaded hole 3 are in a mutually perpendicular relationship; in order to realize standardized production, the specification and the size of the first threaded hole 2 and the second threaded hole 3 are the same; the first threaded hole 2 and the second threaded hole 3 can be communicated or not communicated;
in the actual production assembling process, the number of the threaded holes can be increased, for example, each surface of the insert body 1 is respectively provided with one threaded hole, or one surface or a plurality of surfaces are provided with a plurality of threaded holes.
Fig. 1 shows an insert with a bidirectional threaded hole. The two threaded holes are in a cross shape. The leads can be mounted in both the horizontal and vertical directions. The customer can be according to the installation needs arbitrary selection, convenient and practical.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; 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 (5)
1. A connecting insert for a voltage transformer comprises an insert body (1) with a rectangular structure, wherein a threaded hole for connecting a lead is formed in the insert body (1); the method is characterized in that:
the number of the threaded holes is M; the M threaded holes are at least positioned on two surfaces of the insert body (1), and the two surfaces are vertical to each other; m is a natural number greater than 1.
2. The connection insert for the voltage transformer according to claim 1, wherein: the number of the threaded holes is two.
3. The connection insert for the voltage transformer according to claim 2, wherein: the two threaded holes are mutually vertical and communicated.
4. The connection insert for the voltage transformer according to claim 1, wherein: the two threaded holes are communicated.
5. The connection insert for the voltage transformer according to claim 4, wherein: each threaded hole is the same size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022750382.3U CN213366370U (en) | 2020-11-24 | 2020-11-24 | Connecting insert for voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022750382.3U CN213366370U (en) | 2020-11-24 | 2020-11-24 | Connecting insert for voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213366370U true CN213366370U (en) | 2021-06-04 |
Family
ID=76136351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022750382.3U Active CN213366370U (en) | 2020-11-24 | 2020-11-24 | Connecting insert for voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213366370U (en) |
-
2020
- 2020-11-24 CN CN202022750382.3U patent/CN213366370U/en active Active
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