CN219513739U - Glass fiber reinforced plastic dry type wall bushing - Google Patents
Glass fiber reinforced plastic dry type wall bushing Download PDFInfo
- Publication number
- CN219513739U CN219513739U CN202320379189.4U CN202320379189U CN219513739U CN 219513739 U CN219513739 U CN 219513739U CN 202320379189 U CN202320379189 U CN 202320379189U CN 219513739 U CN219513739 U CN 219513739U
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- CN
- China
- Prior art keywords
- insulating sleeve
- reinforced plastic
- flange
- glass fiber
- fiber reinforced
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- 239000011152 fibreglass Substances 0.000 title claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 210000004907 gland Anatomy 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
Landscapes
- Insulators (AREA)
Abstract
The utility model discloses a glass fiber reinforced plastic dry type wall bushing, which belongs to the technical field of power equipment accessories, and comprises a core body, a first connecting rod and a second connecting rod, wherein the core body comprises a conducting rod and an insulating sleeve; both ends of the insulating sleeve are provided with threaded connecting parts; the outer peripheral surface of the insulating sleeve is provided with a thread-shaped groove and a first limit protrusion; the flange is provided with a connecting through hole, and the inner wall surface of the connecting through hole is provided with a connecting thread bulge and a second limiting bulge; the uniform gland can be sleeved on the conducting rod; the two conductive wire clamps can be fixedly connected with the first end and the second end respectively and are provided with a plurality of wiring holes; the utility model utilizes the groove on the insulating sleeve, the first limit bulge, the connecting thread bulge and the second limit bulge on the flange connecting through hole, can effectively fix the flange on the core body, has simple structure of the core body and the flange, simple production process, low production cost and convenient assembly and installation.
Description
Technical Field
The utility model relates to the technical field of power equipment accessories, in particular to a glass fiber reinforced plastic dry type wall bushing.
Background
Wall bushings, also known as wall embedments, are mainly installed on building walls or roofs such as converter valve halls; the wall bushing can be divided into a dry wall bushing and a porcelain insulation wall bushing from the use materials.
At present, the common dry type wall bushing in the market mostly adopts polytetrafluoroethylene tape to wrap the core body, the polytetrafluoroethylene tape contains silicone oil, the problem of oil leakage easily occurs, air bubbles can be generated in the insulating layer, partial discharge can be generated, fire disaster can be caused, the product maintenance cost is high, and the safety is poor. Meanwhile, the existing glass fiber reinforced plastic dry type wall bushing in the market has no oil leakage problem, but has the defects of complex structure, complex production process, high production cost and inconvenient installation.
Therefore, designing a glass fiber reinforced plastic dry type wall bushing with simple structure, low production cost and convenient installation is a problem to be solved in the current stage.
Disclosure of Invention
For the problems in the prior art, the glass fiber reinforced plastic dry type wall bushing provided by the utility model has the advantages that the flange can be effectively fixed on the core body by utilizing the groove and the first limit bulge on the insulating sleeve and the connecting thread bulge and the second limit bulge on the flange connecting through hole, the structures of the core body and the flange are simpler, the production process is simple, the production cost is low, and the assembly and the installation are more convenient.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a glass fiber reinforced plastic dry wall bushing comprising:
the core body comprises a conducting rod and an insulating sleeve, wherein the insulating sleeve is sleeved on the conducting rod, the conducting rod is provided with a first end and a second end, and the first end and the second end extend out of the insulating sleeve; both ends of the insulating sleeve are provided with threaded connecting parts; a thread-shaped groove is formed in the outer peripheral surface of the insulating sleeve at a position close to the first end, and an annular first limit protrusion is arranged in the outer peripheral surface of the insulating sleeve at a position close to the second end; the insulating sleeve is made of glass fiber reinforced plastic materials;
the flange is provided with a connecting through hole, the inner wall surface of one end of the connecting through hole is provided with a connecting threaded bulge matched with the groove, and the inner wall surface of the other end of the connecting through hole is provided with a ring-shaped second limiting bulge; the flange can be sleeved on the insulating sleeve, the connecting threaded protrusion is in threaded connection with the groove, and the second limiting protrusion is abutted with the first limiting protrusion;
the pressure equalizing cover can be sleeved on the conducting rod and is in threaded connection with the threaded connection part;
the two conductive wire clamps can be fixedly connected with the first end and the second end respectively, and a plurality of wiring holes are formed in the conductive wire clamps.
As a preferable technical scheme, a sealing step is arranged on the insulating sleeve at the threaded connection part, and the shape of the inner wall surface of the pressure equalizing cover is matched with the sealing step; when the pressure equalizing cover is in threaded connection with the threaded connection part, the sealing step is tightly attached to the inner wall surface of the pressure equalizing cover.
As a preferred solution, the sealing step comprises a two-step.
As a preferable technical scheme, a positioning hole is formed in the flange and located at the second limiting protrusion, and the positioning hole is formed along the radial direction of the flange; a positioning screw is arranged in the positioning hole; when the flange is sleeved on the insulating sleeve, the positioning screw can pass through the positioning hole and is free from abutting with the outer wall of the insulating sleeve.
As a preferable technical scheme, the positioning hole is a counter bore.
As a preferred embodiment, the length of the groove is longer than the length of the connecting thread protrusion.
As a preferable technical scheme, the conductive wire clamp is provided with a fixing part and an extending part, the fixing part comprises a fixing hole, the fixing hole is provided with a notch, both sides of the notch are provided with fixing fins, and the fixing fins are provided with locking holes; the wiring holes are arranged on the extension part.
As a preferable technical scheme, the extending direction of the extending part forms an included angle with the axis of the conducting rod.
As a preferable technical scheme, an included angle between the extending direction of the extending part and the axis of the conducting rod is set to be 120-150 degrees.
As a preferable technical scheme, the interval of the grooves is set to be 8-12mm, and the depth of the grooves is set to be 10-14mm; the shape of the connecting thread protrusion is matched with the groove.
The beneficial effects of the utility model are as follows:
the utility model utilizes the groove on the insulating sleeve, the first limit bulge, the connecting thread bulge and the second limit bulge on the flange connecting through hole, can effectively fix the flange on the core body, has simple structure of the core body and the flange, simple production process, low production cost and convenient assembly and installation.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment of a dry wall bushing of glass fiber reinforced plastic according to the present utility model;
FIG. 2 is a schematic view of the core of FIG. 1;
FIG. 3 is a schematic view of the flange of FIG. 1;
fig. 4 is a schematic structural diagram of the conductive clip in fig. 1.
In the figure: 1-conducting rod, 11-first end, 12-second end, 2-insulating sleeve, 21-threaded connection portion, 22-slot, 23-first spacing protruding, 24-sealing step, 3-flange, 31-connecting through hole, 32-connecting threaded protruding, 33-second spacing protruding, 34-locating hole, 35-locating screw, 4-gland, 5-conducting wire clamp, 51-wiring hole, 52-fixed orifices, 53-fixed fin.
Detailed Description
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
Referring to fig. 1-4, an embodiment of a glass fiber reinforced plastic dry wall bushing according to the present utility model includes a core, wherein the core includes a conductive rod 1 and an insulating sleeve 2, the insulating sleeve 2 is sleeved on the conductive rod 1, the conductive rod 1 has a first end 11 and a second end 12, and the first end 11 and the second end 12 extend from the insulating sleeve 2; both ends of the insulating sleeve 2 are provided with threaded connecting parts 21; the outer peripheral surface of the insulating sleeve 2 is provided with a thread-shaped groove 22 at a position close to the first end 11, and an annular first limit protrusion 23 is arranged at a position close to the second end 12 on the outer peripheral surface of the insulating sleeve 2; the insulating sleeve 2 is made of glass fiber reinforced plastic material; the flange 3, the flange 3 has connecting through hole 31, connect the threaded boss 32 that matches with ditch 22 on the inner wall of one end of the connecting through hole 31, connect the second limit boss 33 of annular on the inner wall of another end of the through hole 31; the flange 3 can be sleeved on the insulating sleeve 2, the connecting threaded protrusion 32 is in threaded connection with the groove 22, the second limiting protrusion 33 is abutted with the first limiting protrusion 23, and the flange 3 can be fixed on the core body; the equalizing cover 4 is sleeved on the conducting rod 1 and is in threaded connection with the threaded connection part 21, and the equalizing cover 4 is fixed at two ends of the insulating sleeve 2; the two conductive wire clamps 5 are arranged, the two conductive wire clamps 5 can be fixedly connected with the first end 11 and the second end 12 respectively, a plurality of wiring holes 51 are formed in the conductive wire clamps 5, and the wiring holes 51 can be connected with a cable.
Referring to fig. 1 and 2, the conductive rod 1 is preferably an aluminum rod or a copper rod, and the insulating sleeve 2 made of glass fiber reinforced plastic is fixed on the conductive rod 1 by curing in a thermal oven; the first end 11 of the conducting rod 1 is preferably arranged indoors, and the second end 12 is preferably arranged outdoors; the thread-shaped groove 22 leaked outside on the insulating sleeve 2 can be directly used as an insulating umbrella skirt, and the insulating umbrella skirt made of silica gel can be conveniently fixed on the insulating sleeve 2.
In this embodiment, referring to fig. 1 and 2, a sealing step 24 is provided on the insulating sleeve 2 at the threaded connection portion 21, and the shape of the inner wall surface of the pressure equalizing cover 4 matches with the sealing step 24; when the pressure equalizing cover 4 is in threaded connection with the threaded connection part 21, the sealing step 24 is tightly attached to the inner wall surface of the pressure equalizing cover 4, so that the pressure equalizing cover 4 can be in sealed connection with the end part of the insulating sleeve 2, the pressure equalizing cover 4 can optimize the electric field distribution, and the field intensity of individual areas is prevented from being overlarge; specifically, the sealing step 24 preferably includes two steps, which can further improve the sealing property.
In this embodiment, referring to fig. 1, a positioning hole 34 is disposed on the flange 3 at the second limiting protrusion 33, and the positioning hole 34 is disposed along the radial direction of the flange 3; a positioning screw 35 is arranged in the positioning hole 34; when the flange 3 is sleeved on the insulating sleeve 2, the positioning screw 35 can pass through the positioning hole 34 and is free from abutting with the outer wall of the insulating sleeve 2, the positioning screw 35 can prevent the flange 3 from rotating, and the fixing effect of the flange 3 on the core body is further improved; specifically, the positioning hole 34 is preferably a counter bore, and the positioning screw 35 is not located in the counter bore, so that interference is avoided.
It should be noted that, referring to fig. 1, the length of the groove 22 should preferably be longer than the length of the connecting thread protrusion 32, and a portion of the groove 22 may be exposed, which may serve as an insulating umbrella skirt or may facilitate fixing the insulating umbrella skirt by using the groove 22.
In this embodiment, referring to fig. 1 and 4, the conductive wire clip 5 has a fixing portion and an extending portion, the fixing portion includes a fixing hole 52, the fixing hole 52 has a notch, fixing fins 53 are disposed on two sides of the notch, locking holes are disposed on the fixing fins 53, the fixing hole 52 can be sleeved on the conductive rod 1, and the conductive wire clip 5 can be fixed on the conductive rod 1 by connecting the fixing fins 53 through the locking holes; specifically, the conductive wire clamp 5 is made of aluminum; further, the plurality of wiring holes 51 are arranged on the extension part, and the extension direction of the extension part forms an included angle with the axis of the conducting rod 1, so that the cable is conveniently connected with the wiring holes 51; specifically, the angle between the extending direction of the extending portion and the axis of the conductive rod 1 is preferably set to 120-150 °.
1-3, in a specific application of the present utility model, the spacing of the grooves 22 is preferably set to 8-12mm, and the depth of the grooves 22 is preferably set to 10-14mm; the shape of the connecting thread protrusion 32 should match the groove 22; is convenient to process and install.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a glass steel dry-type wall bushing which characterized in that includes:
the core body comprises a conducting rod and an insulating sleeve, wherein the insulating sleeve is sleeved on the conducting rod, the conducting rod is provided with a first end and a second end, and the first end and the second end extend out of the insulating sleeve; both ends of the insulating sleeve are provided with threaded connecting parts; a thread-shaped groove is formed in the outer peripheral surface of the insulating sleeve at a position close to the first end, and an annular first limit protrusion is arranged in the outer peripheral surface of the insulating sleeve at a position close to the second end; the insulating sleeve is made of glass fiber reinforced plastic materials;
the flange is provided with a connecting through hole, the inner wall surface of one end of the connecting through hole is provided with a connecting threaded bulge matched with the groove, and the inner wall surface of the other end of the connecting through hole is provided with a ring-shaped second limiting bulge; the flange can be sleeved on the insulating sleeve, the connecting threaded protrusion is in threaded connection with the groove, and the second limiting protrusion is abutted with the first limiting protrusion;
the pressure equalizing cover can be sleeved on the conducting rod and is in threaded connection with the threaded connection part;
the two conductive wire clamps can be fixedly connected with the first end and the second end respectively, and a plurality of wiring holes are formed in the conductive wire clamps.
2. The glass fiber reinforced plastic dry wall bushing as claimed in claim 1, wherein a sealing step is arranged on the insulating sleeve at the threaded connection part, and the shape of the inner wall surface of the pressure equalizing cover is matched with the sealing step; when the pressure equalizing cover is in threaded connection with the threaded connection part, the sealing step is tightly attached to the inner wall surface of the pressure equalizing cover.
3. A glass fiber reinforced plastic dry wall bushing as claimed in claim 2, wherein the sealing step comprises a two-step.
4. The glass fiber reinforced plastic dry wall bushing according to claim 1, wherein a positioning hole is formed in the flange at the second limiting protrusion, and the positioning hole is formed along the radial direction of the flange; a positioning screw is arranged in the positioning hole; when the flange is sleeved on the insulating sleeve, the positioning screw can pass through the positioning hole and is free from abutting with the outer wall of the insulating sleeve.
5. A glass fiber reinforced plastic dry wall bushing as claimed in claim 4, wherein the locating hole is a counter bore.
6. A glass reinforced plastic dry wall bushing according to claim 1, wherein the length of the groove is longer than the length of the connecting threaded boss.
7. The glass fiber reinforced plastic dry wall bushing according to claim 1, wherein the conductive wire clamp is provided with a fixing part and an extending part, the fixing part comprises a fixing hole, the fixing hole is provided with a notch, both sides of the notch are provided with fixing fins, and the fixing fins are provided with locking holes; the wiring holes are arranged on the extension part.
8. A glass fiber reinforced plastic dry wall bushing as claimed in claim 7, wherein the extension portion extends in an angle with the axis of the conductive rod.
9. A glass reinforced plastic dry wall bushing according to claim 8, wherein the angle between the extension direction of the extension and the axis of the conductive rod is set to 120-150 °.
10. A glass fiber reinforced plastic dry wall bushing according to claim 1, wherein the distance between the grooves is set to 8-12mm, and the depth of the grooves is set to 10-14mm; the shape of the connecting thread protrusion is matched with the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320379189.4U CN219513739U (en) | 2023-03-03 | 2023-03-03 | Glass fiber reinforced plastic dry type wall bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320379189.4U CN219513739U (en) | 2023-03-03 | 2023-03-03 | Glass fiber reinforced plastic dry type wall bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219513739U true CN219513739U (en) | 2023-08-11 |
Family
ID=87549082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320379189.4U Active CN219513739U (en) | 2023-03-03 | 2023-03-03 | Glass fiber reinforced plastic dry type wall bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219513739U (en) |
-
2023
- 2023-03-03 CN CN202320379189.4U patent/CN219513739U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |