CN220526677U - Combined butterfly type high-voltage porcelain insulator - Google Patents

Abstract

The utility model provides a combined butterfly high-voltage porcelain insulator, which comprises an insulator and a connecting frame, wherein a fixed seat is arranged at the upper end of the insulator, an external thread seat is arranged at the lower end of the insulator, the upper end of the fixed seat is rotatably provided with the connecting frame on a vertical surface, a first clamping piece is arranged in the lower end of the connecting frame and penetrates into the fixed seat in an up-down movable manner, an internal thread installation seat is fixedly arranged at the upper end of the connecting frame, shock absorption pads are arranged between the connecting frame and the internal thread installation seat, the number of the insulators is not less than two, and the internal thread installation seat at the upper end of the lower insulator is sleeved on the external thread seat at the lower end of the upper insulator in a threaded manner; the utility model can realize the effect that the insulators can be assembled and installed, can ensure the connection stability of the two insulators, can realize the effect that operators select flexible connection or rigid support connection of the insulators according to actual needs, is suitable for various connection modes, and has wider application range.

Description

Combined butterfly type high-voltage porcelain insulator

Technical Field

The utility model relates to the technical field of insulators, in particular to a combined butterfly type high-voltage porcelain insulator.

Background

The insulator is a device which is arranged between conductors with different electric potentials or between the conductors and a grounding member and can withstand the actions of voltage and mechanical stress, the insulator has various types and different shapes, and the structure and the appearance of different types of insulators have larger differences, but the insulator consists of two parts, namely an insulating part and a connecting fitting;

the butterfly insulator is one of insulators, is connected together through a connecting fitting during combined connection and is arranged between a conductor and a grounding component through the connecting fitting, when the butterfly insulator is hung, a plurality of insulators are required to be movably connected so as to ensure that the conductor can be supported softly, and when the butterfly insulator is connected in a supporting manner, a plurality of insulators are required to be kept fixed so as to ensure the stability of the conductor;

however, the existing butterfly insulators have some defects in use, such as:

when the insulator is manufactured, in order to meet one of two connection modes of flexible hanging connection and stable supporting connection, a hanging connection fitting or a fixed connection fitting is required to be selected during production, namely, the connection fitting can only select one of the two connection modes of flexible hanging connection and rigid supporting connection, the connection mode is determined during production, and the insulator assembly cannot be changed during use, so that the insulator assembly cannot be connected in a flexible mode or a rigid supporting mode according to real-time requirements of workers during use, and the application range is small.

Disclosure of Invention

The utility model provides a combined butterfly type high-voltage porcelain insulator, which aims to solve the problems in the background technology.

The technical scheme of the utility model is realized as follows:

the utility model provides a combination butterfly high voltage electric porcelain insulator, includes insulator and link, the upper end installation fixing base of insulator and lower extreme installation external screw thread seat, the upper end of fixing base rotates on vertical face and installs the link, install first fastener in the lower extreme of link and first fastener is movable up and down and penetrate in the fixing base, the upper end fixed mounting of link has the internal thread mount pad, install the cushioning pad between link and the internal thread mount pad, the quantity of insulator is not less than two, the internal thread mount pad screw thread cover of insulator upper end below is on the external screw thread seat of insulator lower extreme above, the upper end upper and lower movable mounting second fastener of link and second fastener are movable up and down and are penetrated in the external screw thread seat;

through adopting above-mentioned technical scheme, internal thread mount pad thread bush makes two insulators interconnect on the external screw thread seat, and the second fastener card is gone into between link and the external screw thread seat, avoids internal thread mount pad and external screw thread seat to break away from each other, and when first fastener card was gone into in the fixing base, link and fixing base rigid connection, and then make two insulators rigid support connect, when first fastener shifts out in from the fixing base, link and fixing base flexonics, but both relative rotation for two insulators can relative rotation, and then make two insulators flexonics.

Preferably, the first clamping piece comprises a screw rod and a third clamping column, the screw rod passes through the lower end of the connecting frame in a threaded manner, the third clamping column is rotatably arranged at the lower end of the screw rod, and the third clamping column vertically movably penetrates into the fixing seat;

by adopting the technical scheme, the screw rod is rotated to enable the third clamping column to be inserted into or penetrate out of the fixing seat, and then the connecting frame and the fixing seat are flexibly connected or rigidly connected according to requirements.

Preferably, the second clamping piece comprises a first clamping column and a second spring, the first clamping column vertically penetrates through the upper end of the connecting frame, the upper end of the first clamping column vertically penetrates into the external thread seat, and the second spring is arranged between the lower end of the first clamping column and the connecting frame;

through adopting above-mentioned technical scheme, the first card post of second spring upward pulling constantly makes first card post insert in the external screw thread seat for the external screw thread seat can not rotate, avoids the relative internal thread mount pad of external screw thread seat to rotate, and then avoids two insulators to disconnect each other, and when manual downward pulling first card post, just can make the external screw thread seat rotate.

Preferably, the inner thread of the inner thread mounting seat on the uppermost insulator is penetrated with an upper mounting seat, and the first clamping column vertically movably penetrates into the upper mounting seat;

through adopting above-mentioned technical scheme, go up the mount pad and can install on external ground connection component to in the first card post card goes into the mount pad, make this device fixed relatively ground connection component.

Preferably, the outer thread seat on the lowest insulator is externally sleeved with a lower mounting seat;

by adopting the technical scheme, the lower mounting seat is arranged on the conductor, so that the device is fixed between the conductor and the grounding member.

Preferably, the lower mounting seat is internally and vertically movably penetrated by a second clamping column, the middle end of the second clamping column is vertically movably penetrated in the lower mounting seat, the upper end of the second clamping column vertically movably penetrates into the external thread seat, and a first spring is arranged between the lower end of the second clamping column and the lower mounting seat;

through adopting above-mentioned technical scheme, the mount pad can not rotate under the restriction of second card post, just also has restricted down the mount pad and can not deviate from the external screw thread seat, and then restricts this device and conductor and can not separate each other.

Preferably, a handle is arranged at the lower end of the second clamping column;

through adopting above-mentioned technical scheme, the second card post is hidden in lower mount pad, and the handle can conveniently draw the second card post downwards.

By adopting the technical scheme, the utility model has the beneficial effects that:

according to the utility model, the internal thread mounting seat is sleeved on the external thread seat in a threaded manner to enable the two insulators to be connected with each other, so that the effect of combined mounting of the insulators is realized, the second clamping piece is clamped between the connecting frame and the external thread seat to avoid the mutual separation of the internal thread mounting seat and the external thread seat, the mutual separation of the two insulators is avoided, the effect of ensuring the connection stability of the two insulators is realized, the connecting frame is rigidly connected with the fixed seat when the first clamping piece is clamped in the fixed seat, the two insulators are rigidly supported and connected, the connecting frame is flexibly connected with the fixed seat when the first clamping piece is moved out of the fixed seat, the two insulators can rotate relatively, and the two insulators are flexibly connected, so that the effect of selecting the flexible connection or the rigid support connection of the insulators according to actual needs is realized, and the method is suitable for various connection modes, and the application range is wider.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure at A-A of FIG. 2;

FIG. 4 is a partially enlarged schematic view of the structure of the portion B of FIG. 3;

fig. 5 is a perspective view showing the structure of a single insulator in the present utility model.

Wherein: 1. an upper mounting seat; 2. an internal thread mounting seat; 3. a connecting frame; 4. an insulator; 5. a lower mounting seat; 6. a fixing seat; 7. a first clamping column; 8. a screw; 9. an external thread seat; 10. a second clamping column; 11. a first spring; 12. a handle; 13. a third clamping column; 14. a cushioning pad; 15. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 5, a combined butterfly high-voltage porcelain insulator comprises an insulator 4 and a connecting frame 3, wherein a fixing seat 6 is fixedly arranged at the upper end of the insulator 4, an external thread seat 9 is fixedly arranged at the lower end of the insulator, the connecting frame 3 is rotatably arranged at the upper end of the fixing seat 6 on a vertical surface, and the connecting frame 3 can swing;

the lower end of the connecting frame 3 is internally threaded and inserted with a screw rod 8, the lower end of the screw rod 8 is rotatably provided with a third clamping column 13, and the third clamping column 13 vertically movably penetrates into the fixed seat 6;

the upper end fixed mounting of link 3 has internal thread mount pad 2, install the cushioning pad 14 between link 3 and the internal thread mount pad 2, the cushioning pad 14 carries out the cushioning to link 3 and thread mount pad 2, improve connection stability, see specifically fig. 1, fig. 2 and fig. 3, the quantity of insulator 4 has two, the internal thread mount pad 2 screw thread cover of insulator 4 upper end below is on the external screw thread seat 9 of insulator 4 lower extreme above, movable mounting first draw-in column 7 about the upper end of link 3, the upper end of first draw-in column 7 moves about and penetrates in the external screw thread seat 9, install second spring 15 between the lower extreme of first draw-in column 7 and the link 3.

In this embodiment, the internal thread of the internal thread mount 2 on the uppermost insulator 4 is inserted with the upper mount 1, the first clamping post 7 is vertically movably inserted into the upper mount 1, the upper mount 1 is mounted on the grounding member, the external thread of the external thread mount 9 on the lowermost insulator 4 is sleeved with the lower mount 5, the lower mount 5 is mounted on the conductor, the second clamping post 10 is vertically movably inserted into the lower mount 5 in the lower mount 5, the upper end of the second clamping post 10 is vertically movably inserted into the external thread mount 9, the first spring 11 is mounted between the lower end of the second clamping post 10 and the lower mount 5, and the handle 12 is mounted at the lower end of the second clamping post 10.

Working principle:

during assembly, the upper insulator 4 is rotated, the first clamping column 7 is pulled downwards, the insulator 4 drives the fixing seat 6, the connecting frame 3 and the internal thread installation seat 2 to rotate, the internal thread installation seat 2 is sleeved on the upper installation seat 1 in a threaded manner, the first clamping column 7 is released, the second spring 15 pulls the first clamping column 7 upwards, the first clamping column 7 is inserted into the upper installation seat 1, and the upper insulator 4 is installed on the upper installation seat 1;

the lower insulator 4 is rotated according to the method, so that the internal thread mounting seat 2 on the lower insulator 4 is sleeved on the external thread seat 9 on the upper insulator 4, and the two insulators 4 are connected and mounted with each other;

the lower mounting seat 5 is rotated, the handle 12 is pulled downwards at the same time, the second clamping column 10 moves downwards, the lower mounting seat 5 is sleeved on the external thread seat 9 in a threaded manner, the handle 12 is released, the first spring 11 pulls the second clamping column 10 upwards, the second clamping column 10 is inserted into the external thread seat 9, and the lower insulator 4 is mounted on the lower mounting seat 5;

when flexible connection is needed, the second clamping post 13 is not inserted into the fixed seat 6, and the connecting frame 3 rotates relative to the fixed seat 6 so as to enable the two insulators 4 to rotate relatively, namely flexible connection;

when rigid connection is needed, the screw rod 8 is rotated to enable the third clamping post 13 to be inserted into the fixed seat 6, and the connecting frame 3 is fixed relative to the fixed seat 6, so that the two insulators 4 cannot rotate relatively, namely are rigidly connected.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. A combined butterfly type high-voltage porcelain insulator is characterized in that: including insulator (4) and link (3), fixing base (6) and lower extreme installation external screw thread seat (9) are installed to the upper end of insulator (4), rotate on vertical face installation link (3) in the upper end of fixing base (6), install first fastener and first fastener activity about in the lower extreme of link (3) penetrate fixing base (6), the upper end fixed mounting of link (3) has internal screw thread mount pad (2), install shock pad (14) between link (3) and internal screw thread mount pad (2), the quantity of insulator (4) below is not less than two, on external screw thread seat (9) of insulator (4) lower extreme on the screw thread cover of insulator (4) above, the upper end of link (3) movable mounting second fastener about and second fastener activity penetrate in external screw thread seat (9) from top to bottom.

2. The combination butterfly high-voltage porcelain insulator of claim 1, wherein: the first clamping piece comprises a screw rod (8) and a third clamping column (13), wherein threads of the screw rod (8) penetrate through the lower end of the connecting frame (3), the third clamping column (13) is rotatably arranged at the lower end of the screw rod (8), and the third clamping column (13) penetrates into the fixing seat (6) in an up-down moving mode.

3. The combination butterfly high-voltage porcelain insulator of claim 1, wherein: the second clamping piece comprises a first clamping column (7) and a second spring (15), the first clamping column (7) vertically movably penetrates through the upper end of the connecting frame (3), the upper end of the first clamping column (7) vertically movably penetrates into the external thread seat (9), and the second spring (15) is arranged between the lower end of the first clamping column (7) and the connecting frame (3).

4. A combination butterfly high voltage porcelain insulator as claimed in claim 3, wherein: the internal thread of the internal thread mounting seat (2) on the uppermost insulator (4) is inserted with the upper mounting seat (1), and the first clamping column (7) vertically movably penetrates into the upper mounting seat (1).

5. The combination butterfly high-voltage porcelain insulator of claim 1, wherein: the outer thread seat (9) on the lowest insulator (4) is externally sleeved with a lower mounting seat (5).

6. The combination butterfly high-voltage porcelain insulator of claim 5, wherein: the lower mounting seat (5) is internally and vertically movably penetrated with a second clamping column (10), the middle end of the second clamping column (10) is vertically and movably penetrated in the lower mounting seat (5), the upper end of the second clamping column (10) vertically movably penetrates into the external thread seat (9), and a first spring (11) is arranged between the lower end of the second clamping column (10) and the lower mounting seat (5).

7. The combination butterfly high-voltage porcelain insulator of claim 6, wherein: the lower end of the second clamping column (10) is provided with a handle (12).