CN211579068U - Anti-loosening moment locking connecting device - Google Patents
Anti-loosening moment locking connecting device Download PDFInfo
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- CN211579068U CN211579068U CN202020449150.1U CN202020449150U CN211579068U CN 211579068 U CN211579068 U CN 211579068U CN 202020449150 U CN202020449150 U CN 202020449150U CN 211579068 U CN211579068 U CN 211579068U
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Abstract
The utility model relates to the field of connection hardware fittings, in particular to a locking connection device for anti-loosening torque, which comprises a connection body, two compression bolts, compression pieces and a nut locking ring, wherein one side of the connection body is a transformer connection part, the other side is a distribution wire connection part, the transformer connection part is provided with a round through hole and a waist hole, one side of the distribution wire connection part is provided with two compression screw holes which are arranged side by side, the other side is provided with an inserting hole which is communicated with the bottoms of the two compression screw holes in sequence, the compression pieces are arranged on the inserting hole, when in use, the lower surfaces of the compression pieces are arranged into wavy rough surfaces, the bottom surfaces of the inserting holes are wavy rough surfaces, the friction force between the compression pieces and a cable can be increased, simultaneously, the upper surfaces of the compression pieces are smooth surfaces, the bottoms of threaded rods of the compression bolts are arranged into smooth surfaces, the, and after the compression bolt is screwed down, the compression bolt can be sleeved with the nut locking ring for further fixation to prevent looseness.
Description
Technical Field
The utility model belongs to the link fitting field, in particular to locking moment locking connecting device that moves.
Background
The electric connection fitting is applied to connection between a lead and electrical equipment (such as an isolating switch, a fuse, a lightning arrester, a load switch and the like) in a power distribution system of 10kV or below, can well bear large tensile force in the process of operation, and can ensure good contact in the aspect of electricity. However, after the power connection fitting is fixed, maintenance is not performed basically, and if the hold-down bolt of the power connection fitting is loosened due to external force or aging, poor contact or potential safety hazards may be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a locking moment of locking tightly locks connecting device to overcome the clamp bolt of electric power link fitting and produced not hard up defect because of external force or ageing.
In order to achieve the above object, the present invention provides a locking connection device for anti-loosening torque, comprising a connection body and two compression bolts, wherein one side of the connection body is a transformer connection part, the other side of the connection body is a distribution wire connection part, the transformer connection part is provided with a circular through hole and a waist hole, one side of the distribution wire connection part is provided with two compression screws arranged side by side, the other side is provided with an insertion hole sequentially communicating the bottoms of the two compression screws, each compression bolt comprises a first bolt head, a second bolt head connected with the first bolt head through a connecting rod, a threaded rod connected with the second bolt head, a compression piece and a nut locking ring, the insertion hole is a rectangular hole, the compression piece is arranged in the rectangular hole in a manner of being capable of sliding up and down, the upper surface of the compression piece is a smooth surface, the lower surface is a wavy rough surface, the pressing piece corresponds to the bottom surface of the plug wire hole and is a wavy rough surface, the bottom of the threaded rod is a smooth surface, the nut locking ring comprises a nut connecting port matched with the second bolt head and a plug rod, and the periphery of the pressing screw hole is provided with a plug wire hole which can be correspondingly formed in the second bolt head by the nut connecting port sleeved on the second bolt head.
Preferably, in the above technical solution, the wire insertion hole and the pressing screw hole are perpendicular to each other and intersect.
Preferably, in the above technical solution, the connector further includes an insulating sleeve, and the insulating sleeve is sleeved on the connecting body.
Preferably, in the above technical solution, the side wall of the wire insertion hole is a smooth surface.
Preferably, in the above technical scheme, the number of the plugging holes is multiple, the multiple plugging holes are distributed in a circumferential manner, and adjacent plugging holes are tightly connected.
Preferably, in the above technical solution, the connecting body is made of an aluminum material.
Preferably, in the above technical scheme, the wave-shaped wave crests and wave troughs of the rough surface are all arc transitions.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a locking moment locking connecting device that moves, establish the holding down piece lower surface into wavy mat surface, be wavy mat surface with the bottom surface in plug wire hole, this mode can increase the frictional force with the cable, be the smooth surface with the upper surface of holding down piece simultaneously, the bottom of threaded rod is the smooth surface, can make the threaded rod wrench movement more easily, save strength, and after clamp bolt screwed up, on clamp bolt was located to accessible nut locking ring cover, the inserted bar on it inserted in the spliced eye and further fixed clamp bolt, prevent to become flexible.
Drawings
Fig. 1 is a structural diagram of the anti-loosening torque lock connection device of the present invention.
Description of the main reference numerals:
1-transformer connection part, 2-distribution wire connection part, 3-distribution wire connection part, 4-waist hole, 5-compaction screw hole, 6-plug wire hole, 7-compaction sheet, 8-compaction bolt, 9-nut connection port, 10-plug rod and 11-plug hole.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, the anti-loosening torque lock connection device in this embodiment includes a connection body made of an aluminum material, two compression bolts 8, a compression piece 5, a nut locking ring, and an insulating sleeve. One side of connecting the body is transformer connecting portion 1, and the opposite side is distribution wire connecting portion 2, and transformer connecting portion 1 is equipped with round through-hole 4 and kidney hole 5, is equipped with two that set up side by side on the side of distribution wire connecting portion 3 and compresses tightly screw 5, is equipped with the plug wire hole 6 that communicates two bottoms that compress tightly screw 5 in proper order on the another side, plug wire hole 6 with compress tightly screw 5 mutually perpendicular and intersect. The hold-down bolt 8 comprises a first bolt head, a second bolt head connected with the first bolt head through a connecting rod and a threaded rod connected with the second bolt head, the maximum stress moment of the connecting rod is 20-25 N.m, and when the gold-holding bolt is screwed down, the connecting rod can be broken when the moment for continuously screwing the bolt exceeds 20-25 N.m. The wire inserting hole 6 is a rectangular hole, and the side wall of the wire inserting hole 6 is a smooth surface. The pressing sheet 7 is arranged in the rectangular hole in a vertically sliding mode, the lower surface of the pressing sheet 7 is a wavy rough surface, the bottom surface of the pressing sheet 7, corresponding to the wire inserting hole 3, is a wavy rough surface, wave crests and wave troughs of the rough surface are in arc transition, and damage to wires can be reduced. The upper surface of the pressing sheet 7 is a smooth surface, the bottom of the threaded rod of the pressing bolt 8 is a smooth surface, and the smooth surface is arranged on the upper surface and the smooth surface, so that the torsion can be reduced, the pressing bolt 8 can be screwed up more easily, and the strength is saved
The nut locking ring comprises a nut connecting port 9 matched with the second bolt head and an inserting rod 10, and an inserting hole 11 which can correspond to the inserting rod 10 when the nut connecting port 9 is sleeved on the second bolt head is formed in the periphery of the pressing screw hole 5. In this embodiment, the number of the inserting holes 11 is plural, the plural inserting holes 11 are distributed in a circumferential manner, adjacent inserting holes 11 are tightly connected, and the inserting hole 11 is provided on the periphery of each pressing bolt 8. After the compression bolt 8 is screwed down, the nut connecting port 9 of the nut locking ring is sleeved in the second bolt head, the plugging rod 10 is inserted into the corresponding plugging hole 11, and when the plugging rod 10 is slightly not corresponding to the plugging hole 11, the second bolt head can be slightly twisted, so that the installation of the plugging rod is completed. Further, after the installation is completed, the insulating sleeve is sleeved on the connecting body.
When the connecting fitting is used, the connecting fitting is installed on a joint of a transformer through a round through hole and a waist hole of a transformer connecting portion of the connecting body, a cable is inserted into a wire inserting hole, the pressing bolt is screwed, a nut connecting port of the nut locking ring is sleeved into the second bolt head, the inserting rod is inserted into the corresponding inserting hole, and finally the insulating sleeve is sleeved to complete installation of the connecting fitting.
The utility model provides a locking moment locking connecting device that moves, establish the holding down piece lower surface into wavy mat surface, be wavy mat surface with the bottom surface in plug wire hole, this mode can increase the frictional force with the cable, be the smooth surface with the upper surface of holding down piece simultaneously, the bottom of threaded rod is the smooth surface, can make the threaded rod wrench movement more easily, save strength, and after clamp bolt screwed up, on clamp bolt was located to accessible nut locking ring cover, the inserted bar on it inserted in the spliced eye and further fixed clamp bolt, prevent to become flexible.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (7)
1. A locking connection device of anti-loosening torque lock comprises a connection body and two compression bolts, wherein one side of the connection body is a transformer connection part, the other side of the connection body is a distribution lead connection part, the transformer connection part is provided with a round through hole and a waist hole, one side of the distribution lead connection part is provided with two compression screw holes arranged side by side, the other side of the distribution lead connection part is provided with a wire insertion hole communicated with the bottoms of the two compression screw holes in sequence, each compression bolt comprises a first bolt head, a second bolt head connected with the first bolt head through a connecting rod and a threaded rod connected with the second bolt head, the locking device is characterized by further comprising a compression piece and a nut locking ring, the wire insertion hole is a rectangular body hole, the compression piece is arranged in the rectangular body hole in a manner of sliding up and down, the upper surface of the compression piece is a smooth surface, and the lower surface of the, the bottom surface of the pressing piece corresponding to the plug wire hole is a wavy rough surface, the bottom of the threaded rod is a smooth surface, the nut locking ring comprises a nut connecting port matched with the second bolt head and a plug rod, and the periphery of the pressing screw hole is provided with a plug wire hole which can correspond to the plug rod and is sleeved on the second bolt head.
2. The anti-loosening torque-locking connection device according to claim 1, wherein the wire insertion hole and the compression screw hole are perpendicular to and intersect each other.
3. The anti-loosening torque-locking connection device according to claim 1, further comprising an insulating sleeve that is sleeved on the connection body.
4. The anti-loosening torque-locking coupling device according to claim 1, wherein the sidewall of the wire insertion hole is smooth.
5. The anti-loosening moment locking connection device according to claim 1, wherein the number of the insertion holes is plural, the plural insertion holes are distributed in a circumferential manner, and adjacent insertion holes are tightly connected.
6. The anti-loosening torque-locking connection as defined in claim 1, wherein the connection body is made of aluminum material.
7. The anti-loosening torque-locking coupling device according to claim 1, wherein the wave-shaped peaks and valleys of the roughened surface are rounded transitions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020449150.1U CN211579068U (en) | 2020-03-31 | 2020-03-31 | Anti-loosening moment locking connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020449150.1U CN211579068U (en) | 2020-03-31 | 2020-03-31 | Anti-loosening moment locking connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211579068U true CN211579068U (en) | 2020-09-25 |
Family
ID=72527593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020449150.1U Active CN211579068U (en) | 2020-03-31 | 2020-03-31 | Anti-loosening moment locking connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211579068U (en) |
-
2020
- 2020-03-31 CN CN202020449150.1U patent/CN211579068U/en active Active
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