CN218112412U - Insulator - Google Patents

Abstract

The utility model discloses an insulator, including the shell, open the centre of shell has the slot, and the internally mounted of slot has first conducting strip and second conducting strip, and the both ends of slot are connected with insulating spacer sleeve. The utility model discloses a first conducting strip and the second conducting strip of two different diameters about the inside setting of slot, the extrusion pole is driven to the knob post, pushes down first conducting strip, can be to two cable extrusion fastenings of different thicknesses, connect closely, difficult not hard up. Set up first conducting strip and second conducting strip inside the slot, prolong the electrically conductive contact surface of two cables for two cables receive to drag the circumstances such as drag, can not lead to the circuit to open circuit, improve the safe intercommunication of circuit, and in addition, first conducting strip and second conducting strip all are connected with shell demountable installation, and it is convenient to change the maintenance.

Description

Insulator

Technical Field

The utility model relates to an insulator technical field specifically is the insulator.

Background

The sectional insulator is an insulating device adopted when the contact net carries out electric sectioning. Normally, the pantograph slides through with electricity. When a certain contact net section breaks down or power failure occurs due to construction, the isolating switch at the section insulator is opened to cut off the contact net of the section insulator, and other parts can normally supply power. When the two parts of contact net systems supply power respectively, when the power supply of one part of the contact net fails to supply power, the isolating switch can be closed to enable the contact net to use one power supply, so that the reliability and the flexibility of the operation of the contact net are improved.

At present, wire clamps used on a rail transit sectional insulator are generally two plate-shaped bodies, cable ends at two ends are clamped in wire grooves of the two wire clamps, the two wire clamps are connected through screws, and the two wire clamps clamp a cable by utilizing the thread screwing force of the screws.

The diameter of slot is generally fixed unchangeable for current insulator, to being connected between the cable of different thicknesses, behind the cable insertion slot that the thickness is different, can't make two cable in close contact with, and is not hard up easily, moreover, two inside cables of jack receive to drag and drag the circumstances such as drag, can appear not contacting each other and lead to opening circuit, electrically conducts inadequately.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulator to the diameter of solving the slot is generally fixed unchangeable, to connecting between the cable of different thicknesses, behind the cable insertion slot of thickness difference, can't make two cable in close contact with, the problem of the easy not hard up use.

In order to achieve the above purpose, the utility model provides a following technical scheme: the insulator comprises a shell, wherein a slot is formed in the middle of the shell, a first conducting strip and a second conducting strip are arranged in the slot, and insulating spacers are connected to two ends of the slot.

Preferably, the cross sections of the first conducting strip and the second conducting strip are both arc-shaped structures, the radius of the first conducting strip is not larger than the diameter of the second conducting strip, and the first conducting strip is positioned above the second conducting strip.

Preferably, a positioning column is fixed at the bottom end of the second conducting strip, a positioning hole is formed at the bottom end of the slot, the positioning column is inserted into the positioning hole, and the second conducting strip is detachably connected with the shell.

Preferably, the top end of the first conducting strip is connected with a tension spring, the top end of the tension spring is connected with the top end of the slot, and the first conducting strip is elastically connected with the shell.

Preferably, the top end of the slot is provided with a guide hole, the first conducting strip is located below the guide hole, the top end of the guide hole is provided with a guide cylinder, and the guide cylinder is fixed to the top end of the shell.

Preferably, the inside of the guide hole passes through the extrusion rod, the bottom end of the extrusion rod is in contact with the top end of the first conductive sheet, and the top end of the extrusion rod is located inside the guide cylinder.

Preferably, a knob column is inserted into the guide cylinder, the outer surface of the knob column and the inner surface of the guide cylinder are both in a threaded surface structure, and the knob column is in threaded fit connection with the guide cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a first conducting strip and the second conducting strip of two different diameters about slot inside sets up, the knob post pushes down and moves the stripper bar, and the stripper bar pushes down and moves first conducting strip, and first conducting strip is close to the second conducting strip, can extrude the fastening to two cables of different thicknesses for two cables of different thicknesses all are in the intersection of first conducting strip and second conducting strip, connect closely, and are difficult not hard up.

2. The utility model discloses set up first conducting strip and second conducting strip inside the slot, prolong the electrically conductive contact surface of two cables for two cables receive to drag and drag the circumstances such as drag, can not lead to the circuit to open circuit, improve circuit's safety intercommunication, and in addition, first conducting strip and second conducting strip all are connected with shell demountable installation, and it is convenient to change the maintenance.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1 according to the present invention;

fig. 3 is a schematic view of a portion of the second conductive sheet of fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a second conductive sheet; 3. a positioning column; 4. positioning holes; 5. a tension spring; 6. a guide cylinder; 7. a guide hole; 8. a slot; 9. an extrusion stem; 10. a knob post; 11. a first conductive sheet; 12. And (4) insulating a spacer sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and 2, the illustrated insulator includes a housing 1, the housing 1 is made of a plastic insulating material, a slot 8 is formed in the middle of the housing 1, a first conducting strip 11 and a second conducting strip 2 are installed inside the slot 8, the first conducting strip 11 and the second conducting strip 2 both adopt copper sheets, two ends of the slot 8 are connected with an insulating spacer 12, and the insulating spacer 12 adopts an insulating rubber material.

The cross sections of the first conducting plate 11 and the second conducting plate 2 are both arc-shaped structures, the first conducting plate 11 protrudes upwards, and the second conducting plate 2 is sunken downwards; the radius of the first conducting strip 11 is not greater than the diameter of the second conducting strip 2, so that two cables with different thicknesses can be conveniently pressed into the second conducting strip 2 by the first conducting strip 11, and the first conducting strip 11 is located above the second conducting strip 2.

The top end of the first conducting plate 11 is connected with a tension spring 5, the top end of the tension spring 5 is connected with the top end of the slot 8, and the first conducting plate 11 is elastically connected with the shell 1; the top end of the slot 8 is provided with a guide hole 7, and the first conducting strip 11 is positioned below the guide hole 7.

The top end of the guide hole 7 is provided with a guide cylinder 6, and the guide cylinder 6 is fixed at the top end of the shell 1; the inside of the guide hole 7 passes through the extrusion rod 9, the bottom end of the extrusion rod 9 is contacted with the top end of the first conductive sheet 11, and the top end of the extrusion rod 9 is positioned inside the guide cylinder 6.

The knob post 10 is inserted into the guide cylinder 6, the knob post 10 is made of plastic materials and has insulating performance, the outer surface of the knob post 10 and the inner surface of the guide cylinder 6 are both in threaded surface structures, the knob post 10 is connected with the guide cylinder 6 in a threaded fit mode, the knob post 10 is detached, replaced and installed conveniently, and the knob post 10 is located at the top end of the extrusion rod 9 and used for pressing the extrusion rod 9 downwards.

This insulator, during the use: the first conducting strip 11 and the second conducting strip 2 of two different diameters about inside setting up of slot 8, the extrusion pole 9 is moved to the downward pressure of knob post 10, and the first conducting strip 11 is moved to the downward pressure of extrusion pole 9, and first conducting strip 11 is close to second conducting strip 2, can extrude the fastening to two cables of different thicknesses for two cables of different thicknesses all are in the intersection department of first conducting strip 11 and second conducting strip 2, connect closely, are difficult not hard up.

Example 2

Referring to fig. 1 and fig. 3, in this embodiment, a description is further given of embodiment 1, in which the illustrated insulator includes a housing 1, a slot 8 is formed in the middle of the housing 1, a first conductive sheet 11 and a second conductive sheet 2 are installed inside the slot 8, the first conductive sheet 11 and the second conductive sheet 2 both adopt copper sheets, and two ends of the slot 8 are connected to an insulating spacer 12.

The sections of the first conducting plate 11 and the second conducting plate 2 are both arc-shaped structures, the radius of the first conducting plate 11 is not more than the diameter of the second conducting plate 2, and the first conducting plate 11 is positioned above the second conducting plate 2; the bottom end of the second conducting plate 2 is fixed with a positioning column 3, the bottom end of the slot 8 is provided with a positioning hole 4, the positioning column 3 is inserted into the positioning hole 4, and the second conducting plate 2 is detachably mounted and connected with the shell 1.

The top of first conducting strip 11 is connected with extension spring 5, and the top of extension spring 5 is connected with the top of slot 8, and first conducting strip 11 and 1 elastic connection of shell make things convenient for the dismantlement to change the installation.

In the embodiment, the first conducting strip 11 and the second conducting strip 2 are arranged in the slot 8, so that the conducting contact surfaces of the two cables are prolonged, the two cables are pulled and pulled, and the like, the circuit is not broken, and the safety communication of the circuit is improved; moreover, the first conducting plate 11 and the second conducting plate 2 are detachably mounted and connected with the shell 1, and replacement and maintenance are convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. An insulator, comprising: the novel conductive wire comprises a shell (1), wherein a slot (8) is formed in the middle of the shell (1), a first conductive sheet (11) and a second conductive sheet (2) are installed inside the slot (8), and insulating spacer sleeves (12) are connected to two ends of the slot (8).

2. The insulator of claim 1, wherein: the cross sections of the first conducting strip (11) and the second conducting strip (2) are both arc-shaped structures, the radius of the first conducting strip (11) is not larger than the diameter of the second conducting strip (2), and the first conducting strip (11) is located above the second conducting strip (2).

3. The insulator of claim 1, wherein: the bottom end of the second conducting strip (2) is fixedly provided with a positioning column (3), the bottom end of the slot (8) is provided with a positioning hole (4), the positioning column (3) is inserted into the positioning hole (4), and the second conducting strip (2) is detachably mounted and connected with the shell (1).

4. The insulator of claim 1, wherein: the top of first conducting strip (11) is connected with extension spring (5), the top of extension spring (5) with the top of slot (8) is connected, first conducting strip (11) and shell (1) elastic connection.

5. The insulator of claim 1, wherein: the top end of the slot (8) is provided with a guide hole (7), the first conducting strip (11) is located below the guide hole (7), the top end of the guide hole (7) is provided with a guide cylinder (6), and the guide cylinder (6) is fixed to the top end of the shell (1).

6. The insulator of claim 5, wherein: the inside of guiding hole (7) passes through extrusion pole (9), the bottom of extrusion pole (9) with the top contact of first conducting strip (11), the top of extrusion pole (9) is located the inside of guide cylinder (6).

7. The insulator of claim 5, wherein: a knob column (10) is inserted into the guide cylinder (6), the outer surface of the knob column (10) and the inner surface of the guide cylinder (6) are both in a thread surface structure, and the knob column (10) is in thread fit connection with the guide cylinder (6).

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