CN210769778U - Anti-loose connecting block of insulating pull rod nut - Google Patents
Anti-loose connecting block of insulating pull rod nut Download PDFInfo
- Publication number
- CN210769778U CN210769778U CN201921665015.4U CN201921665015U CN210769778U CN 210769778 U CN210769778 U CN 210769778U CN 201921665015 U CN201921665015 U CN 201921665015U CN 210769778 U CN210769778 U CN 210769778U
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- pull rod
- nut
- main part
- insulating pull
- connecting block
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Abstract
The utility model relates to an electric power distribution switchgear technical field especially relates to an anti-loosening coupling block of insulating pull rod nut, has solved the nut vibrations and has aroused not hard up, arouses the problem of the unable synchronous motion of insulating pull rod and coupling block. The utility model provides an anti-loosening connecting block of insulating pull rod nut, includes the connecting block main part, and the insulating pull rod main part is worn to be equipped with by the connecting block main part, and the insulating pull rod main part includes insulating end and screw end, and ordinary nut has been cup jointed in the screw end top outside of insulating pull rod main part, and connecting block main part top is seted up with ordinary nut to complex spacing groove, and locknut has been cup jointed in the screw end bottom outside of insulating pull rod main part. The utility model discloses a both ends press from both sides tightly about ordinary nut and lock nut pair hookup piece main part, and the chucking cooperation of ordinary nut and spacing groove makes ordinary nut will not become flexible because of work vibrations, has just so guaranteed the uniformity of insulating pull rod main part and hookup piece main part motion to the stability of whole platform high tension switch parameter has been guaranteed.
Description
Technical Field
The utility model relates to an electric power distribution switchgear technical field especially relates to an anti-loosening coupling block of insulating pull rod nut.
Background
The insulating pull rod is used as an important transmission part in the high-voltage switch, a connecting block is fastened at the screw rod end of the insulating pull rod through a nut, the switch usually needs to perform mechanical action for tens of thousands of times, components assembled on the insulating pull rod need to be firm and reliable, and the anti-loosening of the nut is very important; when the insulating pull rod is assembled with the existing traditional connecting block, a common nut is screwed into the screw rod end of the insulating pull rod, the screw rod end penetrates through the hole of the traditional connecting block, then a check nut is screwed into the screw rod end, and the check nut is screwed tightly by using proper torque;
when the device works, the insulating pull rod moves up and down, the common nut and the locknut are respectively arranged on the upper side and the lower side of the traditional connecting block, and the connecting block is clamped by the upper nut and the lower nut, so that the synchronous movement of the connecting block and the insulating pull rod is ensured.
The existing insulating pull rod connecting block clamps the connecting block through an upper nut and a lower nut, so that the synchronous motion of the connecting block and the insulating pull rod is guaranteed, however, when a high-voltage switch performs mechanical action for tens of thousands of times, a common nut on the upper side of the traditional connecting block can slowly loosen along with vibration, so that the insulating pull rod cannot be synchronous with the connecting motion, and the characteristic parameters of the high-voltage switch can be changed to influence the performance.
Disclosure of Invention
The utility model aims at providing an anti-loosening connecting block of insulating pull rod nut has solved the nut vibrations that exist among the prior art and has aroused not hard up, arouses the problem of the unable synchronous motion of insulating pull rod and connecting block.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an anti-loosening connecting block of insulating pull rod nut, includes the connecting block main part, and the insulating pull rod main part is worn to be equipped with by the connecting block main part, and the insulating pull rod main part includes insulating end and screw end, and ordinary nut has been cup jointed in the screw end top outside of insulating pull rod main part, and connecting block main part top is seted up with ordinary nut to complex spacing groove, and locknut has been cup jointed in the screw end bottom outside of insulating pull rod main part.
Preferably, the cross section of the limiting groove is hexagonal, and the size of the inner wall of the limiting groove is the same as that of a common nut.
Preferably, the surface of the coupling piece body is at the same level as the surface of a conventional nut.
Compared with the prior art, the beneficial effects of the utility model are that: the upper end and the lower end of the connecting block main body are clamped through the common nut and the locknut, and the common nut is matched with the limiting groove in a clamping manner, so that the common nut cannot be loosened due to work vibration, the consistency of the motion of the insulating pull rod main body and the connecting block main body is ensured, and the stability of the parameters of the whole high-voltage switch is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a partial main sectional structure of the present invention;
FIG. 2 is a schematic view of the top view structure of the coupling block body of the present invention;
fig. 3 is a schematic view of the main body of the insulation pull rod of the present invention.
In the figure: 1. a coupling block body; 2. an insulating rod body; 3. a common nut; 4. a limiting groove; 5. a locknut; 201. an insulated end; 202. a screw end.
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, an anti-loose connecting block of an insulating pull rod nut comprises a connecting block main body 1, wherein the connecting block main body 1 is provided with an insulating pull rod main body 2 in a penetrating way, the insulating pull rod main body 2 comprises an insulating end 201 and a screw end 202, a common nut 3 is sleeved on the outer side of the top of the screw end 202 of the insulating pull rod main body 2, the common nut 3 and the screw end 202 are used for fixing the upper end of the connecting block main body 1, the top of the connecting block main body 1 is provided with a limit groove 4 which is matched with the common nut 3 in a direction, the limit groove 4 adopts a middle sinking design, an anti-loose nut 5 is sleeved on the outer side of the bottom of the screw end 202 of the insulating pull rod main body 2; when the high-voltage switch insulating pull rod main body 2 and the connecting block main body 1 need to be assembled, firstly, the common nut 3 is in threaded connection with the threaded end 202, then the connecting block main body 1 is arranged on the threaded end 202 of the insulating pull rod main body 2 in a penetrating mode, the common nut 3 is clamped into the limiting groove 4 to be clamped, then the locknut 5 is in threaded connection with the threaded end 202, the upper end and the lower end of the connecting block main body 1 are clamped through the common nut 3 and the locknut 5, and synchronous movement of the connecting block main body 1 and the insulating pull rod main body 2 is guaranteed.
Furthermore, the cross section of the limiting groove 4 is hexagonal, the size of the inner wall of the limiting groove 4 is the same as that of the common nut 3, and the common nut 3 is effectively prevented from rotating.
Furthermore, the surface of the coupling block main body 1 and the surface of the common nut 3 are positioned on the same horizontal plane, so that the common nut 3 does not influence the appearance of the coupling block main body 1, and the common nut 3 effectively enhances the strength of the coupling block main body 1.
The working principle is as follows: when the insulating pull rod main body 2 of the high-voltage switch and the connecting block main body 1 need to be assembled, firstly, the common nut 3 is in threaded connection with the threaded end 202, then the connecting block main body 1 is arranged on the threaded end 202 of the insulating pull rod main body 2 in a penetrating mode, the common nut 3 is clamped into the limiting groove 4 to be clamped, then the locknut 5 is in threaded connection with the threaded end 202, the upper end and the lower end of the connecting block main body 1 are clamped through the common nut 3 and the locknut 5, the common nut 3 is in clamping fit with the limiting groove 4, the common nut 3 cannot loosen due to work vibration, the consistency of the movement of the insulating pull rod main body 2 and the connecting block main body 1 is guaranteed, and the stability of the parameters of the whole high-voltage switch is guaranteed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides an anti-loosening connecting block of insulating pull rod nut, includes connecting block main part (1), its characterized in that, insulating pull rod main part (2) are worn to be equipped with in connecting block main part (1), insulating pull rod main part (2) are including insulating end (201) and screw rod end (202), ordinary nut (3) have been cup jointed in the screw rod end (202) top outside of insulating pull rod main part (2), connecting block main part (1) top seted up with ordinary nut (3) to complex spacing groove (4), anti-loosening nut (5) have been cup jointed in the screw rod end (202) bottom outside of insulating pull rod main part (2).
2. The anti-loose coupling block of the insulating pull rod nut as claimed in claim 1, wherein the cross section of the limiting groove (4) is hexagonal, and the size of the inner wall of the limiting groove (4) is the same as that of the common nut (3).
3. An insulating tie-nut anti-loose coupling block according to claim 2, characterized in that the surface of the coupling block body (1) is at the same level as the surface of the ordinary nut (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921665015.4U CN210769778U (en) | 2019-10-08 | 2019-10-08 | Anti-loose connecting block of insulating pull rod nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921665015.4U CN210769778U (en) | 2019-10-08 | 2019-10-08 | Anti-loose connecting block of insulating pull rod nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210769778U true CN210769778U (en) | 2020-06-16 |
Family
ID=71036058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921665015.4U Active CN210769778U (en) | 2019-10-08 | 2019-10-08 | Anti-loose connecting block of insulating pull rod nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210769778U (en) |
-
2019
- 2019-10-08 CN CN201921665015.4U patent/CN210769778U/en active Active
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| GR01 | Patent grant |