CN217847798U

CN217847798U - Dustproof high-voltage porcelain bushing based on circuit breaker

Info

Publication number: CN217847798U
Application number: CN202123150409.6U
Authority: CN
Inventors: 闫立伟
Original assignee: Xuzhou Dongyi New Material Co ltd
Current assignee: Xuzhou Dongyi New Material Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-11-18
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a dust type high pressure insulator based on circuit breaker, including the insulator body, the both ends threaded connection of insulator body has the adapter sleeve, the inner wall fixed mounting that the insulator body is close to both ends has solid fixed ring, gu fixed ring's last fixed surface installs the sealing washer, the inner wall slidable mounting that the insulator body is close to the sealing washer top has the traveller, the bottom fixed mounting of traveller has the toper boss, gu fixed ring's surface is equipped with supporting mechanism. The utility model discloses a adapter sleeve promotes the traveller to remove to solid fixed ring's direction for fixed mounting can offset with solid fixed ring go up fixed mounting's sealing washer in the toper boss of traveller bottom, because the toper structure of toper boss, make the toper boss can offset with the inner wall of sealing washer, thereby expand the sealing washer to all around, make the sealing washer support tightly with the inner wall of insulator body, can be fine isolate the vapour of external world, prolong the life of insulator body.

Description

Dustproof high-voltage porcelain bushing based on circuit breaker

Technical Field

The utility model relates to an electrical component technical field especially relates to a dust-protection type high-voltage porcelain bushing based on circuit breaker.

Background

The circuit breaker is common switchgear in an electrical system, mainly comprises an operating mechanism, an arc extinguish chamber unit with a built-in current transformer, a transmission mechanism and the like, has the advantages of high switching-on and switching-off speed and compact structure, can quickly and effectively control the on-off of the electrical system, and is widely applied to various high-voltage electrical systems.

The porcelain bushing of the existing high-voltage circuit breaker is not reasonable enough in structure and poor in sealing performance, and is easy to enter external pollutants such as water vapor after being used for a long time, so that the insulating performance of the porcelain bushing is reduced, and the service life of the porcelain bushing is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a dustproof high-voltage porcelain bushing based on a circuit breaker.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dust-protection type high-voltage porcelain bushing based on circuit breaker, includes the porcelain bushing body, the both ends threaded connection of porcelain bushing body has the adapter sleeve, the inner wall fixed mounting that the porcelain bushing body is close to both ends has solid fixed ring, gu fixed ring's last fixed surface installs the sealing washer, the inner wall slidable mounting that the porcelain bushing body is close to the sealing washer top has the traveller, the bottom fixed mounting of traveller has the toper boss, gu fixed ring's surface is equipped with supporting mechanism.

As a further scheme of the utility model, the supporting mechanism includes that solid fixed ring inner wall circumference even fixed mounting has many spinal branchs vaulting pole, many solid fixed ring's one end fixed mounting is kept away from to the bracing piece has the support ring, the inner wall slidable mounting of support ring has the guide arm, the threaded hole is seted up to the bottom of toper boss, the top of guide arm passes through screw hole threaded connection with the toper boss, the surface of guide arm is equipped with chucking mechanism, the surface of guide arm is equipped with stop gear.

As a further scheme of the utility model, stop gear includes fixed mounting in the spacing ring of guide arm surface, be equipped with between guide arm and the support ring and support tight subassembly.

As a further aspect of the utility model, chucking mechanism includes that circumference fixed mounting is in a plurality of bar-shaped pieces of guide arm surface, the upper surface of support ring runs through and has seted up a plurality ofly and bar-shaped piece assorted spout, the inner wall slidable mounting of bar-shaped piece and spout.

As a further proposal of the utility model, the bottom fixed mounting of guide arm has the retaining ring, the bar groove has been seted up on the top of traveller.

As a further aspect of the utility model, support tight subassembly and locate the compression spring on the guide arm including the cover, compression spring sets up between the lower surface of spacing ring and the upper surface of support ring.

As a further aspect of the utility model, support tight subassembly including two magnetic rings, two of difference fixed mounting between support ring and spacing ring surface one side that the magnetic ring is relative is the same setting of magnetic pole.

The beneficial effects of the utility model are that:

1. promote the traveller through the adapter sleeve and remove to solid fixed ring's direction for fixed mounting can offset with solid fixed ring last fixed mounting's sealing washer in the toper boss of traveller bottom, because the toper structure of toper boss, make the toper boss can offset with the inner wall of sealing washer, thereby expand the sealing washer around to, make the sealing washer support tightly with the inner wall of porcelain bushing body, can be fine completely cut off the vapour of external world, prolong the life of porcelain bushing body.

2. The screw driver is inserted into the strip-shaped groove formed in the end face of the sliding column, and the sliding column is rotated, so that the sliding column can be detached from the guide rod, and the sealing ring can be replaced.

3. Through set up a plurality of bar-shaped blocks at the surface of guide arm for the guide arm can not rotate when rotating the traveller, thereby is convenient for dismantle the traveller.

Drawings

Fig. 1 is a schematic structural diagram of a dustproof high-voltage porcelain bushing based on a circuit breaker according to the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of a dustproof high-voltage porcelain bushing based on a circuit breaker according to the present invention;

fig. 3 is a schematic cross-sectional structural view of a sliding column of a dustproof high-voltage porcelain bushing based on a circuit breaker according to the present invention;

fig. 4 is the utility model provides a fixed ring schematic structure of dust-protection type high-voltage porcelain bushing based on circuit breaker.

In the figure: 1. a porcelain bushing body; 2. connecting sleeves; 3. a fixing ring; 4. a seal ring; 5. a traveler; 6. a conical boss; 7. a support bar; 8. a support ring; 9. a guide bar; 10. a retainer ring; 11. a limiting ring; 12. a threaded hole; 13. a compression spring; 14. a bar-shaped block; 15. a chute; 16. a strip-shaped groove; 17. a magnetic ring.

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.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

Referring to fig. 1-3, a dustproof high-voltage porcelain bushing based on a circuit breaker comprises a porcelain bushing body 1, connecting sleeves 2 are connected to two ends of the porcelain bushing body 1 in a threaded mode, fixing rings 3 are fixedly mounted on the inner wall, close to the two ends, of the porcelain bushing body 1, sealing rings 4 are fixedly mounted on the upper surface of the fixing rings 3, a sliding column 5 is slidably mounted on the inner wall, close to the upper portion of the sealing rings 4, of the porcelain bushing body 1, a conical boss 6 is fixedly mounted at the bottom end of the sliding column 5, and a supporting mechanism is arranged on the outer surface of the fixing rings 3.

In this embodiment, the supporting mechanism includes that the inner wall circumference of solid fixed ring 3 evenly fixed mounting has many spinal branchs vaulting pole 7, the one end fixed mounting that solid fixed ring 3 was kept away from to many spinal branchs vaulting pole 7 has support ring 8, the inner wall slidable mounting of support ring 8 has guide arm 9, threaded hole 12 is seted up to the bottom of toper boss 6, the top of guide arm 9 passes through threaded hole 12 threaded connection with toper boss 6, the surface of guide arm 9 is equipped with chucking mechanism, the surface of guide arm 9 is equipped with stop gear.

In this embodiment, the limiting mechanism includes a limiting ring 11 fixedly mounted on the outer surface of the guide rod 9, and a fastening assembly is arranged between the guide rod 9 and the support ring 8.

In this embodiment, the clamping mechanism includes a plurality of bar-shaped blocks 14 circumferentially and fixedly mounted on the outer surface of the guide rod 9, the upper surface of the support ring 8 is provided with a plurality of sliding grooves 15 matched with the bar-shaped blocks 14 in a penetrating manner, and the bar-shaped blocks 14 are slidably mounted on the inner walls of the sliding grooves 15.

In this embodiment, a retainer ring 10 is fixedly mounted at the bottom end of the guide rod 9, and a strip-shaped groove 16 is formed at the top end of the sliding column 5.

In this embodiment, the abutting assembly includes a compression spring 13 sleeved on the guide rod 9, and the compression spring 13 is disposed between the lower surface of the limit ring 11 and the upper surface of the support ring 8; when the sealing ring 4 is not required to be sealed, the conical boss 6 is prevented from contacting with the sealing ring 4, so that the accelerated aging of the sealing ring 4 is caused.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: when the porcelain bushing body 1 is installed, the connecting sleeve 2 is in threaded connection with two ends of the porcelain bushing body 1, the sliding column 5 is enabled to be in an initial state protruding out of the end portion of the porcelain bushing body 1 under the elastic action of the compression spring 13 on the limiting ring 11, when the connecting sleeve 2 is installed, the connecting sleeve 2 pushes the sliding column 5 to move towards the fixing ring 3, the conical boss 6 fixedly installed at the bottom end of the sliding column 5 can abut against the sealing ring 4 fixedly installed on the fixing ring 3, and due to the conical structure of the conical boss 6, the conical boss 6 can abut against the inner wall of the sealing ring 4, so that the sealing ring 4 is expanded towards the periphery, the sealing ring 4 abuts against the inner wall of the porcelain bushing body 1, external water vapor can be well isolated, and the service life of the porcelain bushing body 1 is prolonged; the sliding column 5 is rotated by inserting a screwdriver into the strip-shaped groove 16 formed in the end face of the sliding column 5, so that the sliding column 5 can be detached from the guide rod 9 to replace the sealing ring 4; by providing a plurality of bar-shaped blocks 14 on the outer surface of the guide bar 9, the guide bar 9 is not rotated when the spool 5 is rotated, thereby facilitating the disassembly of the spool 5.

Example 2

Referring to fig. 4, a dust-protection type high-voltage porcelain bushing based on circuit breaker, including porcelain bushing body 1, the both ends threaded connection of porcelain bushing body 1 has adapter sleeve 2, and inner wall fixed mounting that porcelain bushing body 1 is close to both ends has solid fixed ring 3, and solid fixed ring 3's last fixed surface installs sealing washer 4, and inner wall slidable mounting that porcelain bushing body 1 is close to sealing washer 4 top has traveller 5, and the bottom fixed mounting of traveller 5 has toper boss 6, and solid fixed ring 3's surface is equipped with supporting mechanism.

In this embodiment, the supporting mechanism includes that 3 inner wall circumferences of solid fixed ring are even fixed mounting have many spinal branchs vaulting pole 7, the one end fixed mounting that solid fixed ring 3 was kept away from to many spinal branchs vaulting pole 7 has support ring 8, support ring 8's inner wall slidable mounting has guide arm 9, threaded hole 12 is seted up to the bottom of toper boss 6, the top of guide arm 9 passes through threaded hole 12 threaded connection with toper boss 6, guide arm 9's surface is equipped with chucking mechanism, guide arm 9's surface is equipped with stop gear.

In this embodiment, the clamping mechanism includes a plurality of bar-shaped blocks 14 circumferentially and fixedly mounted on the outer surface of the guide rod 9, a plurality of sliding grooves 15 matched with the bar-shaped blocks 14 are formed in the upper surface of the support ring 8 in a penetrating manner, and the bar-shaped blocks 14 are slidably mounted on the inner walls of the sliding grooves 15.

In this embodiment, the bottom end of the guide rod 9 is fixedly provided with a retainer ring 10, and the top end of the sliding column 5 is provided with a strip-shaped groove 16.

In this embodiment, the abutting assembly includes two magnetic rings 17 respectively fixedly installed between the outer surfaces of the support ring 8 and the limit ring 11, and the opposite sides of the two magnetic rings 17 are arranged with the same magnetic pole; when the sealing ring 4 is not required to be sealed, the conical boss 6 is prevented from contacting with the sealing ring 4, so that the accelerated aging of the sealing ring 4 is caused.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: when the porcelain sleeve body 1 is installed, the connecting sleeve 2 is in threaded connection with two ends of the porcelain sleeve body 1, the sliding column 5 is under the action of magnetic repulsion force of the magnetic rings 17 which are arranged between the support ring 8 and the limiting ring 11 and have the same magnetic poles, so that the initial state of the sliding column 5 is arranged to protrude out of the end part of the porcelain sleeve body 1, when the connecting sleeve 2 is installed, the connecting sleeve 2 pushes the sliding column 5 to move towards the fixing ring 3, the conical boss 6 fixedly installed at the bottom end of the sliding column 5 can abut against the sealing ring 4 fixedly installed on the fixing ring 3, and due to the conical structure of the conical boss 6, the conical boss 6 can abut against the inner wall of the sealing ring 4, so that the sealing ring 4 is expanded towards the periphery, the sealing ring 4 abuts against the inner wall of the porcelain sleeve body 1, external water vapor can be well isolated, and the service life of the porcelain sleeve body 1 is prolonged; the sliding column 5 is rotated by inserting a screwdriver into the strip-shaped groove 16 formed in the end face of the sliding column 5, so that the sliding column 5 can be detached from the guide rod 9 to replace the sealing ring 4; the guide bar 9 is not rotated when the spool 5 is rotated by providing a plurality of bar blocks 14 on the outer surface of the guide bar 9, thereby facilitating the disassembly of the spool 5.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances such that, for example, embodiments of the application described herein may be implemented in sequences other than those illustrated or described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a dust-protection type high-voltage porcelain bushing based on circuit breaker, includes porcelain bushing body (1), the both ends threaded connection of porcelain bushing body (1) has adapter sleeve (2), its characterized in that, the inner wall fixed mounting that porcelain bushing body (1) is close to both ends has solid fixed ring (3), the last fixed surface of solid fixed ring (3) installs sealing washer (4), inner wall slidable mounting that porcelain bushing body (1) is close to sealing washer (4) top has traveller (5), the bottom fixed mounting of traveller (5) has toper boss (6), the surface of solid fixed ring (3) is equipped with supporting mechanism.

2. The dust-proof high-voltage porcelain bushing based on the circuit breaker according to claim 1, wherein the supporting mechanism comprises a plurality of supporting rods (7) uniformly and fixedly mounted on the circumference of the inner wall of the fixing ring (3), the supporting rods (7) are fixedly mounted at one ends, far away from the fixing ring (3), of the supporting ring (8), guide rods (9) are slidably mounted on the inner wall of the supporting ring (8), threaded holes (12) are formed in the bottom ends of the conical bosses (6), the top ends of the guide rods (9) are in threaded connection with the conical bosses (6) through the threaded holes (12), a clamping mechanism is arranged on the outer surface of each guide rod (9), and a limiting mechanism is arranged on the outer surface of each guide rod (9).

3. The dustproof high-voltage porcelain bushing based on the circuit breaker according to claim 2, wherein the limiting mechanism comprises a limiting ring (11) fixedly mounted on the outer surface of the guide rod (9), and a butting component is arranged between the guide rod (9) and the supporting ring (8).

4. The dustproof high-voltage porcelain bushing based on the circuit breaker according to claim 2, wherein the clamping mechanism comprises a plurality of strip-shaped blocks (14) which are circumferentially and fixedly mounted on the outer surface of the guide rod (9), a plurality of sliding grooves (15) matched with the strip-shaped blocks (14) are formed in the upper surface of the support ring (8) in a penetrating mode, and the strip-shaped blocks (14) are mounted with the inner walls of the sliding grooves (15) in a sliding mode.

5. The dustproof high-voltage porcelain bushing based on the circuit breaker as claimed in claim 2, wherein a retainer ring (10) is fixedly mounted at the bottom end of the guide rod (9), and a strip-shaped groove (16) is formed in the top end of the sliding column (5).

6. The dust-proof high-voltage porcelain bushing based on the circuit breaker according to claim 3, wherein the tightening component comprises a compression spring (13) sleeved on the guide rod (9), and the compression spring (13) is arranged between the lower surface of the limiting ring (11) and the upper surface of the supporting ring (8).

7. The dustproof high-voltage porcelain bushing based on the circuit breaker as claimed in claim 3, wherein the tightening assembly comprises two magnetic rings (17) fixedly installed between the outer surfaces of the support ring (8) and the limiting ring (11), respectively, and the opposite sides of the two magnetic rings (17) are arranged with the same magnetic pole.