CN217386872U - Quick wiring device for mutual inductor - Google Patents
Quick wiring device for mutual inductor Download PDFInfo
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- CN217386872U CN217386872U CN202221252755.7U CN202221252755U CN217386872U CN 217386872 U CN217386872 U CN 217386872U CN 202221252755 U CN202221252755 U CN 202221252755U CN 217386872 U CN217386872 U CN 217386872U
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- head bolt
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Abstract
The utility model is suitable for a mutual-inductor technical field provides a quick termination for mutual-inductor, including the round stud bolt and inlay the piece, be provided with screw thread portion on the round stud bolt, set up the annular on the screw thread portion, the annular is with inlay the piece screw-thread fit, can prevent that the round stud bolt from taking place to drop; the round groove matched with the threaded part on the cylindrical head bolt is formed in the embedded part, the through hole penetrating through the embedded part is formed in the lower part of the embedded part, the peeled wires can penetrate through the through hole and are connected with the threaded hole through the bolt threads, and then the wires are tightly pressed at the bottom of the threaded hole of the embedded part, so that the transformer is more convenient to use, the wires can be prevented from loosening on the transformer, and the safety of the transformer is improved; the lead is directly inserted into the through hole, so that the lead can be prevented from being wound into a circular ring shape, the service life of the lead is prolonged, and the installation efficiency of the lead is improved; and the cylindrical head bolt is provided with the cross-shaped groove, so that the screwdriver is convenient to use to drive the cylindrical head bolt to rotate, and the operation is more labor-saving.
Description
Technical Field
The utility model belongs to the technical field of the mutual-inductor, especially, relate to a quick termination for mutual-inductor.
Background
In the technical field of the current mutual inductor, a resin casting type mutual inductor secondary wiring insert adopts a circular semi-closed structure, a coil secondary wire and the insert are subjected to tin soldering and are fixed during the production of the mutual inductor, the coil secondary wire and the insert are placed into a casting mold and integrally cast and formed through resin, and a cross-groove outer hexagonal combination bolt is preassembled at a threaded hole of the insert and is screwed when the mutual inductor leaves a factory. During wiring, the outer rubber of the cable needs to be peeled off firstly, then the hexagonal combination bolt outside the cross groove preassembly on the insert is unscrewed to a falling state, the cable penetrates to the position of the insert from the threading hole reserved in the mutual inductor body and then is bent into a circular ring shape by using sharp-nose pliers, and finally the combination bolt penetrates through the circular ring and then is screwed by using a tool so as to ensure that the coil is firm and not loosened.
Among the installation of copper conductor today, be combination formula bolt with outer hexagon bolt of inserts complex cross recess, perhaps use electric tool to operate for improving work efficiency installer, and the screw thread stroke is short excessively adopts the in-process that electric tool unscrewed the bolt, the condition that the bolt drops very easily takes place, it is troublesome to bring unnecessary for the installation, especially if need live working in some specific occasions, the bolt takes off and extremely easily takes place the short circuit phenomenon on other equipment or the copper bar in the cabinet, the potential safety hazard leaves, need take very big power gas just can bend the cable into the ring, if install then the degree of difficulty in the switch board will further promote, whole process is very loaded down with trivial details and hard.
SUMMERY OF THE UTILITY MODEL
The utility model provides a quick termination for mutual-inductor aims at solving the secondary terminal bolt that mentions in the above-mentioned background and unscrews and easily drops, installs comparatively complicated problem.
The utility model discloses a realize like this, a quick termination is used to mutual-inductor, including the cylinder head bolt, inlay dress and mutual-inductor.
The cylindrical head bolt is provided with a first threaded portion and a second threaded portion.
And the cylindrical head bolt is provided with a ring groove which is arranged between the first thread part and the second thread part in a surrounding way.
The rectangular embedded part is provided with a threaded hole, and the inner wall of the threaded hole is provided with an internal thread matched with the first threaded part and the second threaded part.
Preferably, a circular groove matched with the threaded part is formed in the threaded hole.
Preferably, the first threaded part and the internal thread are both M-sized threads.
Preferably, the outer wall of the embedded part is provided with a through hole penetrating through the threaded hole, and the diameter of the through hole is 4mm-5 mm.
Preferably, an installation groove is formed in the outer wall of the embedded part, and the installation groove is arranged around the outer wall of the embedded part.
Preferably, the threaded hole is provided with a 0.5 x 30 ° chamfer.
Preferably, the cylindrical head bolt is a copper outer cylindrical head bolt, and an eleventh-shaped groove is formed in the upper surface of the cylindrical head bolt.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a quick termination for mutual-inductor, with the threaded fit of embedded part, when the cylinder head bolt was twisted into the embedded part, the screw thread portion of bolt, with the internal thread fit of embedded part, made the cylinder head bolt twist into the embedded part, constantly twisted the cylinder head bolt and made the threaded connection of cylinder head bolt pass through the circular slot of embedded part in, the bolt realized idle running and can't drop with the embedded part this moment, on the contrary, when unscrewing the bolt, also can realize the idle running phenomenon of bolt and embedded part; the round groove matched with the threaded part on the cylindrical head bolt is formed in the embedded part, the through hole penetrating through the embedded part is formed in the embedded part, the peeled wires can penetrate through the through hole and are connected with the threaded hole through the bolt threads, and then the wires are locked in the ring groove and the round groove, so that the transformer is more convenient to use, the wires can be prevented from loosening on the transformer, and the safety of the transformer is improved; the lead is directly inserted into the through hole, so that the lead can be prevented from being wound into a circular ring shape, the service life of the lead is prolonged, and the installation efficiency of the lead is improved; the cylindrical head bolt is provided with the cross-shaped groove, so that a screwdriver can be conveniently used for driving the cylindrical head bolt to rotate, and the operation is more labor-saving; meanwhile, the device is simple in structure, convenient to operate, easy to maintain and more worthy of popularization and use.
Drawings
Fig. 1 is a schematic structural view of a cylindrical head bolt of the present invention;
fig. 2 is a schematic structural view of the insert of the present invention;
fig. 3 is a cross-sectional view of an insert of the present invention;
FIG. 4 is an overall assembly view of the present invention;
in the figure: 1. a cylindrical head bolt; 101. a first threaded part; 102. a second threaded part; 103. a cross-shaped groove; 104. a ring groove; 2. embedding an element; 201. a threaded hole; 202. a circular groove; 203. mounting grooves; 204. a through hole; 205. chamfering; 206. an internal thread; 3. a transformer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a quick termination is used to mutual-inductor, includes cylindrical head bolt 1, inlays dress 2 and mutual-inductor 3, is provided with on the cylindrical head bolt 1 and has screw thread portion 101 and screw thread portion two 102, rectangular inlay and set up screw hole 201 on the dress 2, be provided with on the inner wall of screw hole 201 with screw thread portion 101 matched with internal thread 206, cylindrical head bolt 1 is the outer cylindrical head bolt of copper, the upper surface of cylindrical head bolt 1 has seted up ten character grooves 103.
Wherein, 1 electric conductivity of copper cylinder head bolt is better, can improve the electric conductivity of mutual-inductor 3 and wire, reduce electric energy loss, cylinder head bolt 1 is through the external screw thread threaded connection screw hole 201 of screw portion 101, and then the cylinder head bolt 1 of being convenient for compresses tightly the wire, 1 threaded connection of cylinder head bolt inlays dress 2, conveniently carry out the dismouting, it is more convenient to compress tightly the wire, the eleven style of calligraphy groove 103 on the cylinder head bolt 1 facilitates the use screwdriver to lock, the dismouting wire is more laborsaving, cylinder head bolt 1 accessible screwdriver locks simultaneously, the locking force is bigger, it is difficult not hard up, the security of extension mutual-inductor 3.
The cylindrical head bolt 1 is provided with an annular groove 104 surrounding between the first thread part 101 and the second thread part 102, a threaded hole 201 is provided with a circular groove 202 matched with the annular groove 104, and the first thread part 101 and the internal thread 206 are both threads with the specification of M6.
Wherein, the wire is directly placed at the screw thread bottom of dress 2, compresses tightly through cylinder head bolt 1, makes cylinder head bolt 1 be difficult for droing, more does benefit to the locking wire, can prevent that the wire from taking place not hard up, and the internal thread of internal thread 206 is the screw thread that the specification is M6 in screw thread portion 101, screw thread portion two 102 and the screw hole 201 simultaneously, and M6's screw thread is national standard screw thread, and manufacturing cost is lower, and then reduces the cost of using this device.
The outer wall of the embedded part 2 is provided with a through hole 204 penetrating through the threaded hole 201, and the diameter of the through hole 204 is 4mm-5 mm.
In addition, the wire after the convenient peeling of through-hole 204 passes, and then make the wire can place between threaded portion 101 and threaded portion two 102 of inlay dress 2 screw thread bottom and roller bolt 1, need not very big vigour and just can bend the cable into the ring, further reduce the degree of difficulty of installation wire, reduce the installation procedure, and then use manpower sparingly, improve the installation effectiveness, the diameter is 4 mm's through-hole 204 can make things convenient for the wire within 4mm of diameter to pass, the diameter of restriction wire, and then can reduce the potential safety hazard.
The outer wall of the embedded part 2 is provided with a mounting groove 203, and the mounting groove 203 is arranged around the outer wall of the embedded part 2.
In addition, the mounting groove 203 is convenient for embedding the embedded part 2 on the mutual inductor 3, the device is convenient for the mutual inductor 3 to be a quick connecting wire, the embedded part 2 is more convenient to mount, and the mounting efficiency is improved.
Threaded bore 201 is provided with 0.5 x 30 ° chamfer 205.
Further, the chamfer 205 on the threaded hole 201 facilitates the first threaded portion 101 and the second threaded portion 102 of the stud 1 to be screwed into the matched threaded hole 201, so that the stud 1 is prevented from being clamped on the threaded hole 201, and the mounting efficiency is further improved.
The utility model discloses a theory of operation and use flow: the utility model discloses install the back well, inlay the mode that dress 2 passes through the resin pouring and fix on the position that mutual-inductor 3 corresponds, treat the part of connecting with the wire and take off the crust, pass through-hole 204 with the wire, just to screw hole 201 with screw thread portion 102 of cylinder head bolt 1, rotate cylinder head bolt 1, make screw thread portion 101 pass through internal thread 206 of external screw thread threaded connection screw hole 201, insert in the ten-pointed groove 103 through the screwdriver, it rotates to drive cylinder head bolt 1, screw thread portion 102 threaded connection internal thread 206, convert the turning force of cylinder head bolt 1 into transverse force, make cylinder head bolt 1 extrude the wire, screw thread portion 101 and screw thread portion two 102 compress tightly the wire in inlay dress 2 circular slot 202 bottoms, and then the locking wire, fix the wire on mutual-inductor 3, prevent that the wire is not hard up.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a quick termination for mutual-inductor which characterized in that: comprises a cylindrical head bolt (1), an embedded part (2) and a mutual inductor (3);
the cylindrical head bolt (1) is provided with a first threaded part (101) and a second threaded part (102);
the cylindrical head bolt (1) is provided with a ring groove (104) which is arranged between the first threaded part (101) and the second threaded part (102);
the rectangular embedded part (2) is provided with a threaded hole (201), and the inner wall of the threaded hole (201) is provided with an internal thread (206) matched with the first threaded part (101) and the second threaded part (102).
2. The quick wiring device for mutual inductor according to claim 1, characterized in that: and a circular groove (202) matched with the second threaded part (102) is formed in the threaded hole (201).
3. The quick wiring device for mutual inductor according to claim 1, characterized in that: the first thread part (101) and the internal thread (206) are both threads with the specification of M6.
4. The quick wiring device for mutual inductor according to claim 1, characterized in that: the outer wall of the embedded part (2) is provided with a through hole (204) penetrating through the threaded hole (201), and the diameter of the through hole (204) is 4-5 mm.
5. The quick wiring device for mutual inductor according to claim 1, characterized in that: the outer wall of the embedded part (2) is provided with a mounting groove (203), and the mounting groove (203) is arranged around the outer wall of the embedded part (2).
6. The quick wiring device for mutual inductor according to claim 1, characterized in that: and a chamfer (205) of 0.5-30 degrees is arranged on the threaded hole (201).
7. The quick wiring device for mutual inductor according to claim 1, characterized in that: the cylindrical head bolt (1) is a copper outer cylindrical head bolt, and the upper surface of the cylindrical head bolt (1) is provided with an eleventh-shaped groove (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221252755.7U CN217386872U (en) | 2022-05-19 | 2022-05-19 | Quick wiring device for mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221252755.7U CN217386872U (en) | 2022-05-19 | 2022-05-19 | Quick wiring device for mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217386872U true CN217386872U (en) | 2022-09-06 |
Family
ID=83087926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221252755.7U Active CN217386872U (en) | 2022-05-19 | 2022-05-19 | Quick wiring device for mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217386872U (en) |
-
2022
- 2022-05-19 CN CN202221252755.7U patent/CN217386872U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 8, Jingtian Road, Jiangshan Economic Development Zone, Jiangshan City, Quzhou City, Zhejiang Province 324102 Patentee after: Zhejiang Tianji Instrument Transformer Co.,Ltd. Address before: No.2 Shanhai Road, Shanhai cooperation zone, Jiangshan Economic Development Zone, Jiangshan City, Quzhou City, Zhejiang Province Patentee before: ZHEJIANG HORIZON INSTRUMENT TRANSFORMERS Co.,Ltd. |