CN216749480U

CN216749480U - Column type porcelain insulator with composite structure

Info

Publication number: CN216749480U
Application number: CN202220216986.6U
Authority: CN
Inventors: 刘裕
Original assignee: Jiangxi Qixin Electric Power Technology Co ltd
Current assignee: Jiangxi Qixin Electric Power Technology Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-06-14
Anticipated expiration: 2032-01-26

Abstract

The utility model relates to the field of insulators and discloses a column type porcelain insulator with a composite structure, which comprises a core rod, wherein the other side in the core rod is connected with a second inner rod in a sliding manner, the outer diameter of a screw sleeve is connected with a long nut in a threaded manner, the outer diameter of the right side of the core rod is fixedly connected with a hoop, the inner wall of the top end of the hoop is provided with a sunk groove, the inner wall of a guide rail groove is connected with arc-shaped connecting plates in a sliding manner, and the inner side ends of the arc-shaped connecting plates are respectively and fixedly connected to the two ends of a clamping block. According to the telescopic core rod, the clamping block is separated from the clamping groove by rotating the second inner rod, the second inner rod can be stretched, the pressing block loses the pressure on the expansion head by rotating the long nut, the expansion head recovers to the original state and loses the pressing limiting effect on the first inner rod, the telescopic function of the first inner rod and the core rod can be completed, the operation is simple, convenience is brought to a user, and the using effect and the using benefit are also guaranteed.

Description

Column type porcelain insulator with composite structure

Technical Field

The utility model relates to the field of insulators, in particular to a column type porcelain insulator with a composite structure.

Background

The insulator is a special insulating control part and can play an important role in an overhead transmission line, the insulator is mostly used for a telegraph pole in the early years, one end of a high-voltage wire connecting tower which is slowly developed is hung with a plurality of disc-shaped insulators, the insulator is usually made of glass or ceramics for increasing creepage distance, the insulator is called an insulator, the insulator cannot be out of work due to various electromechanical stresses caused by changes of environment and electric load conditions, otherwise, the insulator cannot play a great role, the service life and the service life of the whole line can be damaged, and the porcelain insulator is made of ceramics.

Chinese patent document CN214253991U discloses a post-type composite insulator, in which a first annular groove is provided on a first connection sleeve near a core rod, a second annular groove is provided on a second connection sleeve near the core rod, a protruding ring is provided on a sheath inner side surface corresponding to the first annular groove and the second annular groove, the protruding ring is clamped into the corresponding first annular groove and the second annular groove, toothed protruding strips are provided at intervals at bottoms of the first annular groove and the second annular groove in the axial direction, when the sheath or the shed receives external impact, the sheath and the shed cannot be separated from the first connection sleeve and the second connection sleeve, thereby preventing rainwater from entering the core rod, and increasing connection strength and impact resistance. However, the insulator of the structure is relatively fixed in shape, cannot be stretched, is limited in use range and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a composite-structure column type porcelain insulator.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a composite construction's column type porcelain insulator, includes the plug, the inside one side sliding connection of plug has first interior pole, the inside opposite side sliding connection of plug has the pole in the second, plug left side external diameter fixedly connected with swivel nut, swivel nut external diameter threaded connection has the long nut, plug right side external diameter fixedly connected with hoop, hoop top inner wall is provided with heavy groove, heavy groove both sides wall all is provided with the guide rail groove, the equal sliding connection of guide rail inslot wall has the arc connecting plate, the medial extremity difference fixed connection of arc connecting plate is at the both ends of block, block top middle part is passed through chucking spring coupling and is being sunk the top inner wall in groove, pole top middle part evenly is provided with a plurality of block groove in the second, plug top right side and the corresponding position department of block are provided with the open slot.

As a further description of the above technical solution:

and the left end of the screw sleeve is fixedly connected with an expansion head.

As a further description of the above technical solution:

and a pressing block is fixedly connected to the left side of the inner diameter of the long nut.

As a further description of the above technical solution:

and sealing washers are fixedly connected to the inner diameters of the end faces of the two sides of the core rod.

As a further description of the above technical solution:

the left end of the first inner rod is fixedly connected with a base.

As a further description of the above technical solution:

the outer diameter of the middle part of the core rod is uniformly and fixedly connected with a plurality of umbrella skirts.

As a further description of the above technical solution:

and arc surface slopes are arranged on two sides of the bottom of the clamping block.

As a further description of the above technical solution:

and the right end of the second inner rod is fixedly connected with a wiring end.

The utility model has the following beneficial effects:

1. according to the utility model, when the top of the core rod needs to be extended, the second inner rod is rotated to separate the clamping block from the clamping groove, and the clamping spring is extruded to deform, so that the second inner rod can be extended, the second inner rod is reversed after the extension, the clamping block is aligned to the position of the clamping groove again, the clamping spring presses the clamping block into the clamping groove to complete the limiting, the arc-shaped connecting plate is matched with the guide rail groove to keep the stability in the operation process, the operation is simple, the use limitation is reduced, and convenience is brought to a user.

2. According to the telescopic mandrel, the long nut is rotated, so that the pressing block loses pressure on the expansion head, the expansion head recovers to the original state and loses the pressing limiting effect on the first inner rod, the telescopic function of the first inner rod and the mandrel can be completed, meanwhile, the first inner rod can be disassembled by the aid of the method, the second inner rod can be disassembled as well, the telescopic mandrel is greatly convenient for later overhauling and replacing actions of workers, the sealing gasket can guarantee the sealing performance inside the mandrel, water is prevented from entering, the structure is safe and stable, the application range is wide, and the using effect and the using benefit are guaranteed.

Drawings

Fig. 1 is a schematic perspective view of a composite-structure post-type porcelain insulator according to the present invention;

fig. 2 is a front sectional view of a composite-structured column-type porcelain insulator according to the present invention;

fig. 3 is a side view of a composite structure post type porcelain insulator according to the present invention.

Illustration of the drawings:

1. a core rod; 2. a first inner bar; 3. a second inner bar; 4. a long nut; 5. a threaded sleeve; 6. an expansion head; 7. a compression block; 8. a sealing gasket; 9. a base; 10. an umbrella skirt; 11. a hoop; 12. sinking a groove; 13. a guide rail groove; 14. an arc-shaped connecting plate; 15. a clamping block; 16. a cambered surface slope; 17. a chucking spring; 18. a clamping groove; 19. an open slot; 20. and a terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1-3, one embodiment provided by the present invention: a column porcelain insulator with a composite structure comprises a core rod 1, wherein one side inside the core rod 1 is connected with a first inner rod 2 in a sliding manner, the other side inside the core rod 1 is connected with a second inner rod 3 in a sliding manner and can be extended and retracted, the outer diameter of the left side of the core rod 1 is fixedly connected with a screw sleeve 5, the outer diameter of the screw sleeve 5 is connected with a long nut 4 in a threaded manner, a compression block 7 loses the pressure on an expansion head 6 by rotating the long nut 4, the expansion head 6 is restored to the original state and loses the compression limiting effect on the first inner rod 2, the extension and retraction functions of the first inner rod 2 and the core rod 1 can be completed, the inner wall of the top end of a hoop 11 is fixedly connected with the outer diameter of the right side of the core rod 1, a sunken groove 12 is formed in the inner wall of the top end of the hoop 11, guide rail grooves 13 are respectively formed in the two side walls of the sunken groove 12, arc-shaped connecting plates 14 are respectively connected with the two ends of a clamping block 15 in a sliding manner, the middle part of the top end of the clamping block 15 is connected to the inner wall of the top end of the sunk groove 12 through the clamping spring 17, the middle part of the top end of the second inner rod 3 is evenly provided with a plurality of clamping grooves 18, the right side of the top end of the core rod 1 is provided with an open groove 19 at the position corresponding to the clamping block 15, the clamping block 15 is separated from the clamping grooves 18 by rotating the second inner rod 2, the second inner rod 3 can be stretched, the second inner rod 3 is reversed after the stretching is completed, the clamping block 15 is aligned to the position of the clamping grooves 18 again, and the clamping spring 17 presses the clamping block 15 into the clamping grooves 18 to complete the limiting.

5 left end fixedly connected with inflation heads 6 of swivel nut, 4 internal diameter left sides fixedly connected with compact heap 7 of long nut, equal fixedly connected with seal ring 8 on the internal diameter of 1 both sides terminal surface of plug, increase sealing effect, 2 left end fixedly connected with bases 9 in the first interior pole, the even fixedly connected with a plurality of full skirt 10 of 1 middle part external diameter of plug, antifouling effect, 15 bottom both sides of block all are provided with cambered surface slope 16, make things convenient for the rotation of pole 3 in the second, 3 right-hand member fixedly connected with wiring end 20 in the second, one of basic structure.

The working principle is as follows: when the top of the mandrel 1 needs to be extended, the second inner lever 3 is rotated to separate the engaging block 15 from the engaging groove 18 and to deform the clamp spring 17 by pressing, the second inner rod 3 can be stretched, the second inner rod 3 is reversely rotated after the stretching is finished, the clamping block 15 is aligned with the position of the clamping groove 18 again, the clamping spring 17 presses the clamping block 15 into the clamping groove 18 to finish the limiting, the arc-shaped connecting plate 14 is matched with the guide rail groove 13 to keep the stability in the operation process, the operation is simple, by rotating the long nut 4, the pressing block 7 loses the pressure on the expansion head 6, the expansion head 6 recovers to the original state and loses the pressing and limiting effect on the first inner rod 2, can accomplish the flexible function of first interior pole 2 and plug 1, the same reason during the installation also can utilize this to demolish first interior pole 2 simultaneously, and interior pole 3 of second can be demolishd equally, makes things convenient for the maintenance and the change action in staff's later stage greatly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a composite construction's column type porcelain insulator, includes plug (1), its characterized in that: the inner side of the core rod (1) is connected with a first inner rod (2) in a sliding manner, the other side of the inner part of the core rod (1) is connected with a second inner rod (3) in a sliding manner, the left outer diameter of the core rod (1) is fixedly connected with a threaded sleeve (5), the outer diameter of the threaded sleeve (5) is connected with a long nut (4) in a threaded manner, the right outer diameter of the core rod (1) is fixedly connected with a hoop ring (11), the inner wall of the top end of the hoop ring (11) is provided with a sink groove (12), both side walls of the sink groove (12) are respectively provided with a guide rail groove (13), the inner wall of the guide rail groove (13) is respectively connected with an arc connecting plate (14) in a sliding manner, the inner side ends of the arc connecting plate (14) are respectively and fixedly connected with the two ends of a clamping block (15), the middle part of the top end of the clamping block (15) is connected with the inner wall of the top end of the sink groove (12) through a clamping spring (17), and the middle part of the top end of the second inner rod (3) is evenly provided with a plurality of clamping grooves (18), an open slot (19) is formed in the position, corresponding to the clamping block (15), on the right side of the top end of the core rod (1).

2. The column porcelain insulator of composite construction as claimed in claim 1, wherein: and an expansion head (6) is fixedly connected to the left end of the screw sleeve (5).

3. The column porcelain insulator of composite construction as claimed in claim 1, wherein: and a pressing block (7) is fixedly connected to the left side of the inner diameter of the long nut (4).

4. The column porcelain insulator of composite construction as claimed in claim 1, wherein: and sealing washers (8) are fixedly connected to the inner diameters of the end faces of the two sides of the core rod (1).

5. The composite structure post type porcelain insulator according to claim 1, wherein: the left end of the first inner rod (2) is fixedly connected with a base (9).

6. The column porcelain insulator of composite construction as claimed in claim 1, wherein: the outer diameter of the middle part of the core rod (1) is uniformly and fixedly connected with a plurality of umbrella skirts (10).

7. The column porcelain insulator of composite construction as claimed in claim 1, wherein: both sides of the bottom of the clamping block (15) are provided with cambered surface slopes (16).

8. The column porcelain insulator of composite construction as claimed in claim 1, wherein: the right end of the second inner rod (3) is fixedly connected with a wiring terminal (20).