CN211126970U - Elbow joint for transformer box - Google Patents
Elbow joint for transformer box Download PDFInfo
- Publication number
- CN211126970U CN211126970U CN201922039363.7U CN201922039363U CN211126970U CN 211126970 U CN211126970 U CN 211126970U CN 201922039363 U CN201922039363 U CN 201922039363U CN 211126970 U CN211126970 U CN 211126970U
- Authority
- CN
- China
- Prior art keywords
- bent pipe
- ring
- elbow
- hole
- reducing sleeve
- 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.)
- Expired - Fee Related
Links
- 210000002310 elbow joint Anatomy 0.000 title claims description 4
- 239000000463 material Substances 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims 2
- 210000001503 joint Anatomy 0.000 abstract description 8
- 210000000629 knee joint Anatomy 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 1
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
An object of the utility model is to provide a knee joint for transformer case, including return bend, clamping ring, reducing sleeve, on the return bend mountable transformer case, the return bend flange was located the transformer case, pressed the return bend through the clamp ring on, the clamping ring mesopore diameter was less than evagination tooth diameter, and the clamping ring will be fixed in evagination tooth one, made the clamp ring keep having compressed tightly transformer case lateral surface, and the reducing sleeve can embolia the evagination tooth of above-mentioned return bend under the exogenic action on two, on the hole elasticity ring can connect the outside sleeve pipe in the middle of the deformable plate, the tight outside sleeve pipe of cover in the middle of the deformable plate hole under the elastic action. The utility model discloses be convenient for install, can not leak, repetitious usage is difficult to damage, can realize the butt joint of all angles.
Description
Technical Field
The utility model relates to a transformer case is with external elbow connector of using, the quick butt joint of transformer case to the wire casing of multiple different pipe diameters is applied to very much.
Background
In the concrete application, various pipe fittings are provided to meet different requirements of different industries, but the angle of the corner of the elbow in the current market is fixed and can not be changed, so the requirement of special design in the market can not be well met, and the instant requirement of field construction can not be ensured, especially in the field transformer box construction or old transformer box reconstruction, the common transformer box or the electric box is installed at a high position and is in butt joint with an outer cable bushing at a certain angle, when the interfaces of the cable bushing and the transformer box are different, the cable bushing is far away from the urban area, so that the corresponding and proper bushing elbow can not be purchased, the diameter and the angle of the butt joint elbow can not be in butt joint, gaps exist between the bushing and the cable bushing, a mode of adhesive tape wrapping is adopted in many times, but the adhesive tape wrapping is easy to be adopted, water leakage is caused to enter the electric box, and potential safety hazards exist, the adhesive tape bag has high construction requirements, is inconvenient to install, has unattractive appearance, and is easy to separate after long-term use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a knee joint for transformer case can solve the different unmatched problems of electrical box export and outside wire sleeve turn and diameter.
In order to solve the problems, the utility model provides a bent joint for a transformer box, which comprises a bent pipe, a reducing sleeve and a compression ring, wherein one side of the bent pipe is provided with a bent pipe flange, a first convex tooth is arranged on the outer surface of the bent pipe close to the bent pipe flange, a second convex tooth is arranged on the outer surface of the bent pipe on the other side of the bent pipe close to the end part, and the bent pipe is hollow;
the pressing ring is of a hollow perforated disc-shaped structure, the outer side of the pressing ring is an edge pressing part, the hollow part is a pressing ring through hole, a pressing plate is arranged between the pressing ring through hole and the edge pressing part, the pressing ring is made of elastic materials, the diameter of the pressing ring through hole is smaller than that of the first convex tooth, and the pressing ring can enter the first convex tooth from one side of the second convex tooth under the action of external force;
the reducing sleeve is of a cylindrical hollow structure with openings at two ends, the reducing sleeve is provided with a cylinder, inner convex teeth are arranged on the position, close to the edge, of an opening in the inner wall on one side of the cylinder, a deformation plate is arranged on the end part on the other side of the cylinder, a hole is formed in the middle of the deformation plate, the diameter of the opening in the inner wall of the reducing sleeve is not larger than the outer diameter of the bent pipe, the compression ring is made of rubber, and the reducing sleeve can be sleeved on the outer convex teeth II of the bent pipe through the opening in the inner.
The technical scheme has the advantages that the elbow, the pressure ring and the reducing sleeve are combined, the elbow can be installed on the transformer box, the elbow flange is positioned in the transformer box and is pressed on the elbow through the pressure ring, the diameter of the through hole of the pressure ring is smaller than that of the first outer convex tooth, and the pressure ring is fixed on the first outer convex tooth, so that the pressure ring keeps pressing the outer side surface of the transformer box, the installation is convenient, and water leakage is avoided; the reducing sleeve can be conveniently sleeved on the second outer convex tooth of the bent pipe under the action of external force and is easy to install, the deformation plate through hole can be connected onto an external sleeve, the deformation plate through hole tightly sleeves the external wire sleeve under the action of elastic force, and the connecting is convenient and water-tight.
The technical scheme is that a reducing sleeve flange is arranged on the outer side of the end part of one side of an opening of the inner wall of the reducing sleeve.
Compared with the prior art, the technical scheme has the advantages that the reducing sleeve flange is arranged, so that the outer sleeve can be clamped to apply force to the flange when the reducing sleeve flange is installed, the reducing sleeve is pressed on the bent pipe, and the reducing sleeve is not easy to damage.
The technical scheme is that an elastic ring is arranged at the edge of the through hole of the upper deformation plate.
Compared with the prior art, the technical scheme has the advantages that the elastic ring can increase the holding force between the reducing sleeve and the outer sleeve, so that the sealing performance is better.
In a further technical scheme, all the convex teeth are triangular in shape.
Compared with the prior art, the technical scheme has the advantages that the convex teeth are triangular in shape, and the force applied to the convex teeth during installation and disassembly is the same, so that the elbow connector can be used for multiple times.
The technical scheme is that the material of the bent pipe is polyvinyl chloride.
Compared with the prior art, the technical scheme has the advantages that the safety can be improved and the cost can be reduced because the elbow material is polyvinyl chloride.
Further, the angle of the elbow can be designed to be 180 degrees, 120 degrees or 90 degrees.
Compared with the prior art, the technical scheme has the advantages that the angle of the bent pipe can be designed to be 180 degrees or 120 degrees or 90 degrees, and the butt joint of all angles can be realized under the condition that the angle of the reducing sleeve is properly adjusted by using rubber.
The utility model has the advantages that the elbow pipe can be arranged on the transformer box, the elbow pipe flange is positioned in the transformer box and is pressed on the elbow pipe through the pressure ring, the diameter of the hole in the pressure ring is smaller than the diameter of the first convex tooth, the pressure ring is fixed on the first convex tooth, so that the pressure ring keeps pressing the outer side surface of the transformer box, the installation is convenient, and water leakage is avoided; the reducing sleeve can be conveniently sleeved on the second convex tooth of the bent pipe under the action of external force and is easy to install, the through hole of the deformation plate can be connected onto an external sleeve, the middle hole of the deformation plate is tightly sleeved on the external sleeve under the action of elasticity, and the connecting is convenient and water-tight. The reducing sleeve flange is arranged, so that the outer sleeve clamp can be used for applying force to the flange when the reducing sleeve flange is installed, the reducing sleeve is pressed on the bent pipe, and the reducing sleeve is not easy to damage. The elastic ring can increase the holding force between the reducing sleeve and the outer sleeve, so that the sealing performance is better. The convex teeth are triangular in shape, and the forces applied to the convex teeth during installation and disassembly are the same, so that the elbow connector can be used for multiple times. The cost can be reduced by adopting polyvinyl chloride as the material of the bent pipe. The angle of the elbow can be designed to be 180 degrees, 120 degrees or 90 degrees, and the butt joint of all angles can be realized under the condition that the angle of the reducing sleeve is made of rubber and can be properly adjusted.
Drawings
FIG. 1 is a cross-sectional view of an elbow connector for a substation enclosure;
FIG. 2 is a cross-sectional view of an elbow;
FIG. 3 is a cross-sectional view of a reducing sleeve;
FIG. 4 is a cross-sectional view of the pressure ring;
main element number description:
1. the transformer comprises a bent pipe, 2 parts of a reducing sleeve, 3 parts of a pressure ring, 4 parts of a transformer box, 5 parts of an external wire sleeve, 11 parts of a bent pipe flange, 12 parts of a first external convex tooth, 13 parts of a thin-wall pipe, 14 parts of a second external convex tooth, 21 parts of a reducing sleeve flange, 22 parts of an internal convex tooth, 23 parts of a cylinder, 24 deformation plates, 25 parts of an elastic ring, 26 parts of an inner wall opening, 31 parts of a pressure edge, 32 parts of a pressure plate, 33 parts of a pressure ring through hole, 4 parts of the transformer box and 5 parts of the external sleeve.
Detailed Description
The following description is provided to further explain the present invention by referring to the figures, but the present invention is not limited thereto.
The utility model relates to a knee joint for transformer case, including return bend 1, clamping ring 3, reducing sleeve 2, the 1 material of return bend is polyvinyl chloride, and the 13 angles of thin wall pipe of return bend 1 are 90, and 1 one side of return bend is provided with return bend flange 11, is close to return bend flange 11 department at 1 surface of return bend and is provided with evagination tooth one 12, and evagination tooth one 12 appearance is triangle-shaped, is close to tip department at 1 opposite side return bend surface of return bend and is provided with evagination tooth two 14, and two 14 appearances of evagination tooth are triangle-shaped, return bend 1 cavity. The pressing ring 3 is of a hollow perforated disc-shaped structure, the pressing edge 31 is arranged on the outer side, the pressing ring through hole 33 is arranged in the middle, the pressing plate 32 is arranged between the pressing ring through hole 33 and the pressing edge 31, the pressing ring 3 is made of elastic materials, the diameter of the pressing ring through hole 33 of the pressing ring 3 is smaller than that of the first convex tooth 12, and the pressing ring 3 can enter the first convex tooth 12 from one side of the second convex tooth 14 under the action of external force. The reducing sleeve 2 is a cylindrical hollow structure with openings at two ends, the reducing sleeve 2 is provided with a cylinder 23, inner convex teeth 22 are arranged on the inner side of the opening close to the edge of the inner wall at one side of the cylinder 23, the shape of the inner convex teeth 22 is triangular, and a reducing sleeve flange 21 is arranged on the outer side of the end part at one side of the opening of the inner wall of the reducing sleeve 2. A deformation plate 24 is arranged at the end part of the other side of the cylinder 23, a pressing ring through hole is formed in the middle of the deformation plate 24, and an elastic ring 25 is arranged at the edge position of the pressing ring 3 through hole. The diameter of the opening on the inner wall of the reducing sleeve 2 is not larger than the outer diameter of the elbow 1, the compression ring 3 is made of rubber, and the opening 26 on the inner wall of the reducing sleeve 2 can be sleeved on the second outer convex tooth 14 of the elbow 1 under the action of external force. Return bend 1, clamping ring 3, reducing sleeve 2 can make up the use, return bend 1 can be installed on transformer case 4, return bend flange 3 is located transformer case 4, press on 4 lateral walls of transformer case through clamping ring 2, 3 through-hole diameters of clamping ring are less than a 12 diameters of evagination tooth, clamping ring 3 will be fixed in on a 12 of evagination tooth, make blank holder 31 keep having compressed tightly 4 lateral surfaces of transformer case, reducing sleeve 3 can embolia on two 14 of the evagination tooth of above-mentioned return bend 1 under the exogenic action, elastic ring 25 on 3 through-holes of clamping ring can connect on external sleeve 5, 3 through-hole elastic ring 25 of clamping ring cover tight external sleeve 5 under the elastic action, quick seamless butt joint has been realized.
Claims (6)
1. A bent joint for a transformer box comprises a bent pipe, a pressure ring and a reducing sleeve, wherein a bent pipe flange is arranged on one side of the bent pipe, a first convex tooth is arranged on the outer surface of the bent pipe close to the bent pipe flange, a second convex tooth is arranged on the outer surface of the bent pipe on the other side of the bent pipe close to the end part, and the bent pipe is hollow;
the pressing ring is of a hollow perforated disc-shaped structure, the outer side of the pressing ring is an edge pressing part, the hollow part is a pressing ring through hole, a pressing plate is arranged between the pressing ring through hole and the edge pressing part, the pressing ring is made of an elastic material, the diameter of the hole in the pressing ring is smaller than that of the first convex tooth, and the pressing ring can enter the first convex tooth from one side of the second convex tooth under the action of external force;
the reducing sleeve is of a cylindrical hollow structure with openings at two ends, the reducing sleeve is provided with a cylinder, inner convex teeth are arranged on the position close to the edge of the inner side of the opening of the inner wall on one side of the cylinder, a deformation plate is arranged on the end part of the other side of the cylinder, a through hole is formed in the center of the deformation plate, the diameter of the opening of the inner wall is not larger than the outer diameter of the bent pipe, the compression ring is made of rubber, and the reducing sleeve can be sleeved on the outer convex teeth II of the bent pipe through the opening of the.
2. The elbow joint for transformer box of claim 1, wherein a reducer sleeve flange is provided on the outside of the end portion of the inner wall of the reducer sleeve on the opening side.
3. The elbow connector for a transformer box according to claim 1, wherein the edge of the through hole of the deformation plate is arranged in an elastic ring shape.
4. The elbow connector for a transformer box according to claim 1, wherein said teeth have a triangular shape.
5. The elbow fitting for a substation enclosure of claim 1, wherein said elbow material is polyvinyl chloride.
6. The elbow joint for substation box according to claim 1, wherein said elbow angle is designed to be 180 ° or 120 ° or 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922039363.7U CN211126970U (en) | 2019-11-23 | 2019-11-23 | Elbow joint for transformer box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922039363.7U CN211126970U (en) | 2019-11-23 | 2019-11-23 | Elbow joint for transformer box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211126970U true CN211126970U (en) | 2020-07-28 |
Family
ID=71691560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922039363.7U Expired - Fee Related CN211126970U (en) | 2019-11-23 | 2019-11-23 | Elbow joint for transformer box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211126970U (en) |
-
2019
- 2019-11-23 CN CN201922039363.7U patent/CN211126970U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 Termination date: 20211123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |