CN220086910U - Wall bushing - Google Patents
Wall bushing Download PDFInfo
- Publication number
- CN220086910U CN220086910U CN202321553516.XU CN202321553516U CN220086910U CN 220086910 U CN220086910 U CN 220086910U CN 202321553516 U CN202321553516 U CN 202321553516U CN 220086910 U CN220086910 U CN 220086910U
- Authority
- CN
- China
- Prior art keywords
- skirt
- insulating sleeve
- wall bushing
- insulating
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 10
- 210000002421 cell wall Anatomy 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a wall bushing, which relates to the field of electric bushings and comprises: the insulation sleeve, the conducting rod, the conducting contact and the protection part are arranged inside the insulation sleeve, and the conducting rod comprises two electric receiving ends exposed out of the insulation sleeve; the conductive contact is arranged on the insulating sleeve shell and is exposed out of the insulating sleeve shell; the protective part is connected with the insulating sleeve shell, is provided with a protective groove and comprises an umbrella skirt structure positioned at the inner side of the protective groove; wherein, the conductive contact is located inside the protection recess, and the protection recess includes the cell wall that is located between conductive contact and the conducting rod. According to the wall bushing, the creepage distance of the conductive contacts can be increased through the protection part, meanwhile, the voltage-resistant capacity of the conductive contacts in working is enhanced, and the risks of short circuit and creepage between the conductive contacts are reduced.
Description
Technical Field
The utility model relates to the field of electric bushings, in particular to a wall bushing.
Background
Wall bushings are a type of protection device used to pass through walls or partitions, commonly used in high voltage devices and electrical distribution equipment. In the related art, a conductive rod and a conductive contact are arranged in a wall bushing, in order to increase the creepage distance, a skirt fold structure is arranged on the outer side of the end part of the conductive rod of the wall bushing, but the conductive contact is in an exposed state and does not have a corresponding insulating isolation structure, the voltage-withstand capability is weaker, and when a line is laid, the risk of creepage and short circuit is increased among the exposed conductive contacts in a three-phase line which is arranged side by side.
Disclosure of Invention
(one) solving the technical problems
The utility model provides a wall bushing, which solves the technical problems that: how to improve the pressure resistance of the wall bushing.
(II) technical scheme
In order to solve the technical problems, the utility model provides the following technical scheme:
a wall bushing comprising:
an insulating jacket;
the conducting rod is arranged inside the insulating sleeve shell and comprises two electric receiving ends exposed out of the insulating sleeve shell;
the conductive contact is arranged on the insulating sleeve and exposed out of the insulating sleeve;
the protective part is connected with the insulating sleeve shell, is provided with a protective groove and comprises an umbrella skirt structure positioned at the inner side of the protective groove;
the conductive contact is located inside the protection groove, and the protection groove comprises a groove wall located between the conductive contact and the conductive rod.
In some embodiments, the guard is detachably connected with the insulating sleeve.
In some embodiments, the protecting part is provided with a fitting groove which is matched with the peripheral shape of the insulating sleeve, and comprises a clamp, and the protecting part is in sealing contact with the insulating sleeve through the fitting groove and is fixed on the outer side of the insulating sleeve through the clamp.
In some embodiments, the electric power cabinet further comprises a skirt, wherein a sleeve hole is formed in the inner side of the skirt, skirt folds are formed in the outer side of the skirt, the skirt is sleeved on the periphery of the electric power receiving end through the sleeve hole, one end of the skirt is connected with the insulating sleeve, and the other end of the skirt is connected with the cabinet body or the wall body.
In some embodiments, one end of the skirt is sleeved outside the power receiving end through a sleeve hole, and comprises a protection ring arranged around the power receiving end, and the protection ring protrudes out of the power receiving end.
In some embodiments, the other end of the skirt is provided with a connecting hole for bolting the cabinet or the wall.
(III) beneficial effects
Compared with the prior art, the wall bushing provided by the utility model has the following beneficial effects:
this wall bushing adds guard portion, and guard portion is equipped with the protection recess, and conductive contact is located inside the protection recess, because the protection recess is including being located the cell wall between conductive contact and the conducting rod, simultaneously, the inboard umbrella skirt structure of protection recess, so, guard portion can increase conductive contact's creepage distance, strengthens conductive contact's pressure-resistant ability at the during operation simultaneously, reduces short circuit, creepage's risk between the conductive contact.
Drawings
FIG. 1 is a front view of a wall bushing in an embodiment;
FIG. 2 is a side view of an embodiment wall bushing;
FIG. 3 is a schematic view of an embodiment in which the guard is coupled to the insulating sleeve by a clip;
fig. 4 is a schematic diagram of a wall bushing added with a skirt in an embodiment.
Reference numerals: the insulating sleeve 1, the conductive rod 2, the conductive contact 3, the protection part 4, the sleeve 5, the power receiving end 20, the protection groove 40, the umbrella skirt structure 41, the fitting groove 42, the clamp 43, the sleeve hole 50, the skirt fold 51, the protection ring 52 and the connecting hole 53.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
In the related art, a conductive rod and a conductive contact are arranged in a wall bushing, in order to increase the creepage distance, a skirt fold structure is arranged on the outer side of the end part of the conductive rod of the wall bushing, but the conductive contact is in an exposed state and does not have a corresponding insulating isolation structure, the voltage-withstand capability is weaker, and when a line is laid, the risk of creepage and short circuit is increased among the exposed conductive contacts in a three-phase line which is arranged side by side.
Referring to fig. 1 and 2, fig. 1 is a front view of a wall bushing according to an embodiment, and fig. 2 is a side view of a wall bushing according to an embodiment.
To solve the above-mentioned problem, this embodiment provides a wall bushing, including: an insulating sheath 1, a conductive rod 2, a conductive contact 3 and a shield 4.
The insulating cover 1 is not conductive and an epoxy layer may be provided to enhance the insulating ability.
The conductive rod 2 is disposed inside the insulating housing 1 and includes two electrical terminals 20 exposed to the insulating housing 1.
The conductive rod 2 is connected to the electric or ground through two electric terminals 20, and the conductive rod 2 can be fixed in the insulating sleeve 1 during the casting process of the insulating sleeve 1.
The conductive contact 3 is disposed on the insulating housing 1 and exposed to the insulating housing 1.
The above-mentioned conductive contact 3 is used for conductive connection with an external component, and the conductive contact 3 may be fixed to the insulating housing 1 with its exposed portion used for wiring.
The protecting part 4 is connected with the insulating jacket 1, and the protecting part 4 is provided with a protecting groove 40 and comprises an umbrella skirt structure 41 positioned inside the protecting groove 40.
The protection part 4 may be integrally formed on the insulating sleeve 1, or may be separately connected with the insulating sleeve 1, where the protection groove 40 is used for placing the conductive contact 3 and increasing the creepage distance, and the umbrella skirt structure 41 can further increase the creepage distance; the shed structure 41 may be a pleated structure formed by sequentially connecting convex portions and concave portions.
Wherein the conductive contact 3 is located inside the shielding recess 40, the shielding recess 40 comprising a slot wall between the conductive contact 3 and the conductive rod 2. The slot walls can isolate adjacent conductive contacts 3, so that the risk of creepage and short circuit between the conductive contacts 3 is reduced.
The wall bushing of above technical scheme adds guard portion 4, and guard portion 4 is equipped with protection recess 40, and conductive contact 3 is located inside protection recess 40, because protection recess 40 is including being located the cell wall between conductive contact 3 and the conducting rod 2, simultaneously, the inboard umbrella skirt structure 41 of protection recess 40, so, guard portion 4 can increase conductive contact 3's creepage distance, strengthens conductive contact 3's pressure-resistant ability at the during operation simultaneously, reduces short circuit, the risk of creepage between the conductive contact 3.
In order to be able to mount the protective part 4 on the already produced wall bushing without insulating insulation, the protective part 4 is detachably connected to the insulating jacket 1.
Referring to fig. 3, fig. 3 is a schematic view of an insulation casing with a clamp connection for a protection part in an embodiment of the present utility model, in one implementation manner that the protection part 4 is detachably connected with the insulation casing 1, the protection part 4 is provided with a fitting groove 42 adapted to the peripheral shape of the insulation casing 1, the fitting groove 42 may be in a semicircular structure, the protection part 4 further includes a clamp 43, two parts of the clamp 43 may be connected with a main body of the protection part 4 in a manner of rotating and riveting, the clamp 43 and a wall of the fitting groove 42 form a circular structure sleeved with the insulation casing 1, and the protection part 4 is mounted in sealing contact with the insulation casing 1 through the fitting groove 42 and is fixed on the outer side of the insulation casing 1 through the clamp 43; wherein, both ends of the clip 43 can be fixed by bolts or buckles. In order to strengthen the stability of the installation of the protection part 4, the protection part 4 can also be fixed on the cabinet body, and the protection part 4 is fixed in an auxiliary manner through the cabinet body.
Referring to fig. 4, fig. 4 is a schematic diagram of a wall bushing with a skirt added in the embodiment, in order to enhance the creepage distance and the voltage-withstanding capability of the electric terminal 20 of the conductive rod 2, the wall bushing further includes a skirt 5, a sleeve hole 50 is provided on the inner side of the skirt 5, a skirt fold 51 is provided on the outer side of the skirt 5, the skirt fold 51 is similar to the umbrella skirt structure 41, the skirt 5 is sleeved on the periphery of the electric terminal 20 through the sleeve hole 50, one end of the skirt 5 is connected with the insulating sleeve 1, and the other end is connected with the cabinet or the wall. In this way, the skirt 5 can be sleeved on the insulating sleeve 1 without the skirt fold 51 structure, and also can be sleeved on the periphery of the insulating sleeve 1 with the skirt fold 51 structure, so as to further increase the creepage distance and improve the voltage endurance capability.
In one embodiment of the connection between one end of the skirt 5 and the insulating sleeve 1, one end of the skirt 5 is sleeved outside the power receiving end 20 through the sleeve hole 50, and includes a protection ring 52 disposed around the power receiving end 20, where the protection ring 52 protrudes from the power receiving end 20; wherein, one end of the skirt 5 is abutted against the end part of the insulating sleeve shell 1, and the other end is fixed on the cabinet body or the wall body. In this embodiment, when the skirt 5 is installed, the operation of sleeving the insulating sleeve 1 and the connection cabinet body is mainly included, the installation is convenient, and the protecting ring 52 can be isolated at the periphery of the power-receiving end 20, so that the voltage-resisting capability of the power-receiving end 20 is improved.
In one embodiment in which the other end of the skirt 5 is connected to the cabinet or the wall, the other end of the skirt 5 is provided with a connecting hole 53, and the skirt 5 is connected to the cabinet or the wall by passing a bolt through the connecting hole 53. Of course, the skirt 5 may also be fixed to the cabinet or wall by means of adhesive.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A wall bushing, comprising:
an insulating jacket;
the conducting rod is arranged inside the insulating sleeve shell and comprises two electric receiving ends exposed out of the insulating sleeve shell;
the conductive contact is arranged on the insulating sleeve and exposed out of the insulating sleeve;
the protective part is connected with the insulating sleeve shell, is provided with a protective groove and comprises an umbrella skirt structure positioned at the inner side of the protective groove;
the conductive contact is located inside the protection groove, and the protection groove comprises a groove wall located between the conductive contact and the conductive rod.
2. The wall bushing of claim 1, wherein the shield portion is removably connected to the insulating sleeve.
3. The wall bushing of claim 2, wherein the protective portion has a fitting groove adapted to the outer peripheral shape of the insulating jacket, and includes a clip, and wherein the protective portion is in sealing contact with the insulating jacket through the fitting groove and is fixed to the outside of the insulating jacket through the clip.
4. The wall bushing of claim 1, further comprising a skirt, wherein the inside of the skirt is provided with a sleeve hole, the outside of the skirt is provided with skirt folds, the skirt is sleeved on the periphery of the power receiving end through the sleeve hole, one end of the skirt is connected with the insulating sleeve, and the other end of the skirt is connected with the cabinet body or the wall body.
5. The wall bushing of claim 4, wherein one end of the skirt is sleeved outside the power receiving end through a sleeve hole, and comprises a protection ring arranged around the power receiving end, and the protection ring protrudes out of the power receiving end.
6. The wall bushing of claim 5, wherein the other end of the skirt is provided with a connecting hole for bolting to a cabinet or wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321553516.XU CN220086910U (en) | 2023-06-19 | 2023-06-19 | Wall bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321553516.XU CN220086910U (en) | 2023-06-19 | 2023-06-19 | Wall bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220086910U true CN220086910U (en) | 2023-11-24 |
Family
ID=88830135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321553516.XU Active CN220086910U (en) | 2023-06-19 | 2023-06-19 | Wall bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220086910U (en) |
-
2023
- 2023-06-19 CN CN202321553516.XU patent/CN220086910U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |