CN210110467U - Open-close type current transformer fixing device - Google Patents
Open-close type current transformer fixing device Download PDFInfo
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- CN210110467U CN210110467U CN201921329025.0U CN201921329025U CN210110467U CN 210110467 U CN210110467 U CN 210110467U CN 201921329025 U CN201921329025 U CN 201921329025U CN 210110467 U CN210110467 U CN 210110467U
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- current transformer
- push block
- cable
- lower shell
- fixing device
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Abstract
The utility model discloses an open-close type current transformer fixing device in the technical field of transformers, which aims to solve the technical problems that the prior art is lack of an installation base due to limited installation conditions and current transformers and the like cannot be fixed, and comprises an upper shell and a lower shell, wherein a cable passes through a circular ring hole formed by the upper shell and the lower shell, a push block is connected with the lower shell in a sliding way, a jackscrew passes through an internal thread pipe arranged on the lower shell to push the push block, and the push block fixes the cable between a fixed block and the push block under the pushing of the jackscrew; the lower shell is provided with a connecting part, the tail end of the connecting part is provided with a guide rail, the guide rail surrounds around the connecting part, and the guide rail is connected with the collector through a clamping groove formed in the back face of the collector. The current transformer and the collector are fixed on the cable by arranging the push block, the jackscrew, the guide rail and other components, so that the aim of relatively fixing the current transformer and the cable is fulfilled, and the problem of installation of the current transformer and the collector in a space with limited installation conditions is solved.
Description
Technical Field
The utility model belongs to the technical field of the mutual-inductor, concretely relates to open-close type current transformer fixing device.
Background
Open-close type current transformer is applied to on the circuit of low pressure 400V side outlet wire, feeder pillar, overhead line, ammeter case, block terminal etc. department, realizes low voltage line current voltage monitoring, and data acquisition transmits for upper end control part, has the monitoring of cooperation circuit running state and the instruction function of circuit fault state.
In some places where the installation base is lacked in a narrow space or the installation conditions are limited and the current transformer cannot be effectively fixed, the current transformer is easy to deviate from the initial installation position, performance deviation is easy to occur, the core penetrating hole is small, the existing cable is bent and irregular, the cable can be installed after the core penetrating hole is processed, and the installation difficulty is increased; at present, the mounting efficiency of products on the market in the external form use is low, and the products have no fixing device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an open-close type current transformer to solve among the prior art because of installation condition is limited lacks the installation base, unable fixed technical problem such as current transformer.
In order to achieve the above purpose, the utility model adopts the technical proposal that: an open-close type current transformer fixing device comprises an upper shell and a lower shell, wherein a cable penetrates through a circular ring hole formed by the upper shell and the lower shell, the upper shell is provided with a fixing block, the lower shell is provided with a push block, the push block is in sliding connection with the lower shell, a jackscrew penetrates through an internal thread pipe arranged on the lower shell to push the push block, and the push block fixes the cable between the fixing block and the push block under the pushing of the jackscrew; the lower shell is provided with a connecting portion, the tail end of the connecting portion is provided with a guide rail, the guide rail surrounds the connecting portion, and the guide rail is matched with a clamping groove formed in the back face of the collector to connect the collector.
The push block is connected with an arc-shaped sliding groove, the sliding groove slides along a cylindrical sliding rail arranged on the lower shell, and the central angle of the sliding groove is larger than 180 degrees.
The axis of the sliding rail is parallel to the axis of the internal threaded pipe.
The contact part of the fixed block and the cable is of a V-shaped structure, and the inner surface of the V-shaped structure is provided with a saw-toothed groove.
The surface of the push block, which is contacted with the cable, is an arc surface.
The connecting part is of a rectangular hollow structure.
Compared with the prior art, the utility model discloses the beneficial effect who reaches: open-close type current transformer fixes current transformer and collector on the cable through setting up parts such as ejector pad, jackscrew, guide rail, has both solved the installation problem of current transformer and collector in the limited space of installation condition, has reached current transformer and cable relatively fixed's purpose again, can not appear the performance deviation because of the skew mounted position originally of current transformer.
Drawings
Fig. 1 is a schematic view of an installation structure of an open-close type current transformer fixing device provided by an embodiment of the present invention;
fig. 2 is a schematic view of a current transformer and cable mounting structure of an opening and closing type current transformer fixing device provided by an embodiment of the present invention;
fig. 3 is a schematic view of a current transformer and cable installation plane structure of an opening and closing type current transformer fixing device provided by an embodiment of the present invention;
fig. 4 is a schematic sectional view taken along a line a-a of an open-close type current transformer fixing device according to an embodiment of the present invention;
fig. 5 is a schematic sectional view of a B-B of an opening/closing type current transformer fixing device according to an embodiment of the present invention;
fig. 6 is a three-dimensional effect diagram of the installation of the current transformer and the cable of the fixing device for the open-close type current transformer provided by the embodiment of the present invention;
in the figure: 11. an upper housing; 12. a fixed block; 21. a lower housing; 22. a push block; 23. an internally threaded tube; 24. a chute; 25. carrying out top thread; 26. a slide rail; 27. a connecting portion; 28. a guide rail; 3. a cable; 4. a collector; 41. a card slot; 42. the fastener.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 6, the cable passes through a circular ring formed by the upper housing and the lower housing, the upper housing is provided with a fixed block, the lower housing is provided with a push block, the push block is slidably connected with the lower housing, the jackscrew passes through an internal thread pipe arranged on the lower housing to push the push block, the push block fixes the cable between the fixed block and the push block under the pushing of the jackscrew, the lower housing is provided with a connecting part, the tail end of the connecting part is provided with a guide rail, the guide rail surrounds the connecting part, the guide rail is connected with the collector through a clamping groove arranged on the back of the collector, the current transformer can be fixed at any position of the cable by arranging the fixed block and the push block on the current transformer, in a narrow place lacking an installation base or space, the collector can fix the current transformer and the collector at the proper position of the cable simultaneously through the matching of the clamping groove and, performance deviation due to deviation of the current transformer from the initial installation position does not occur.
The ejector pad is connected with the circular arc-shaped sliding groove, the sliding groove slides along the cylindrical sliding rail arranged on the lower shell, the central angle of the sliding groove is larger than 180 degrees, namely, the arc length of the arc on the inner surface of the sliding groove is larger than the semicircular arc length of the sliding rail matched with the arc length, so that the ejector pad and the sliding groove can be prevented from falling off from the current transformer. The axis of the sliding rail is parallel to the axis of the internal threaded pipe, namely the axis of the jackscrew is parallel to the axis of the sliding rail, and when the jackscrew pushes the sliding block to move, the friction force between the sliding groove and the sliding rail can be reduced. The contact part of the fixed block and the cable is of a V-shaped structure, the inner surface of the V-shaped structure is provided with a sawtooth-shaped groove, and the V-shaped structure is matched with the sawtooth-shaped groove to increase the friction force between the surface of the cable and the current transformer; the surface of ejector pad and cable contact is the arc surface, and the arc surface can increase the area of contact of ejector pad and cable, and then increases the frictional force of ejector pad and cable surface, prevents that current transformer and cable from taking place relative slip. The connecting part is of a rectangular hollow structure, and the hollow structure can enhance the structural strength of the connecting part; at the end of connecting portion around the guide rail along four limits of rectangle structure, the rectangular guide rail conveniently cooperates with the draw-in groove of collector, increases the area of contact of guide rail and draw-in groove simultaneously, makes being connected between collector and the current transformer more reliable, is equipped with the plastics fastener on the draw-in groove, and after the guide rail pushed the draw-in groove, through the fastener locking, prevent that the guide rail from withdrawing from the draw-in groove.
Open-close type current transformer fixing device fixes current transformer and collector on the cable through setting up parts such as ejector pad, jackscrew, guide rail, has both reached current transformer and cable relatively fixed's purpose, has solved the installation problem of current transformer and collector in the limited space of installation condition again, can not appear the performance deviation because of the skew mounted position originally of current transformer.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. An open-close type current transformer fixing device is characterized by comprising an upper shell (11) and a lower shell (21), wherein a cable (3) penetrates through a circular ring hole formed by the upper shell (11) and the lower shell (21), the upper shell (11) is provided with a fixing block (12), the lower shell (21) is provided with a push block (22), the push block (22) is in sliding connection with the lower shell (21), a jackscrew (25) penetrates through an internal thread pipe (23) arranged on the lower shell (21) to push the push block (22), and the push block (22) fixes the cable (3) between the fixing block (12) and the push block (22) under the pushing of the jackscrew (25);
lower casing (21) is equipped with connecting portion (27), connecting portion (27) end is equipped with guide rail (28), guide rail (28) encircle connecting portion (27) are around, guide rail (28) are through connecting collector (4) with setting up draw-in groove (41) cooperation at the collector (4) back.
2. The fixing device of the open-close type current transformer according to claim 1, wherein the push block (22) is connected with a circular arc chute (24), the chute (24) slides along a cylindrical slide rail (26) arranged on the lower shell (21), and the central angle of the chute (24) is larger than 180 °.
3. The open-close type current transformer fixing device as claimed in claim 2, wherein the axis of the sliding rail (26) is parallel to the axis of the internally threaded tube (23).
4. The fixing device for the open-close type current transformer according to claim 1, wherein the contact part of the fixing block (12) and the cable (3) is in a V-shaped structure, and the inner surface of the V-shaped structure is provided with a saw-toothed groove.
5. The fixing device of the open-close type current transformer according to claim 1, wherein the surface of the push block (22) contacting the cable (3) is a circular arc surface.
6. The open-close type current transformer fixing device as claimed in claim 1, wherein the connecting portion (27) is a rectangular hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921329025.0U CN210110467U (en) | 2019-08-16 | 2019-08-16 | Open-close type current transformer fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921329025.0U CN210110467U (en) | 2019-08-16 | 2019-08-16 | Open-close type current transformer fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210110467U true CN210110467U (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921329025.0U Active CN210110467U (en) | 2019-08-16 | 2019-08-16 | Open-close type current transformer fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210110467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289572A (en) * | 2020-10-19 | 2021-01-29 | 国网信通亿力科技有限责任公司 | Special open-close type low-voltage current transformer for intelligent distribution transformer terminal |
-
2019
- 2019-08-16 CN CN201921329025.0U patent/CN210110467U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289572A (en) * | 2020-10-19 | 2021-01-29 | 国网信通亿力科技有限责任公司 | Special open-close type low-voltage current transformer for intelligent distribution transformer terminal |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Floors 14-17, building 7, yunmi City, No. 19, ningshuang Road, Yuhuatai District, Nanjing City, Jiangsu Province Patentee after: Jiayuan Technology Co., Ltd Address before: Floors 14-17, building 7, yunmi City, No. 19, ningshuang Road, Yuhuatai District, Nanjing City, Jiangsu Province Patentee before: Jiayuan Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |