CN210633142U - Welding type flat-bottom end socket - Google Patents
Welding type flat-bottom end socket Download PDFInfo
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- CN210633142U CN210633142U CN201921477240.5U CN201921477240U CN210633142U CN 210633142 U CN210633142 U CN 210633142U CN 201921477240 U CN201921477240 U CN 201921477240U CN 210633142 U CN210633142 U CN 210633142U
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- barb
- flat
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- bulge
- end socket
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Abstract
The utility model belongs to the technical field of the head, concretely relates to flat head of welding type. The welding type flat-bottom end socket comprises a flat bottom plate and a folded edge, wherein a first bulge is arranged at the edge of the flat bottom plate, a second bulge is arranged on the inner surface of the folded edge, and a sealing structure with a cavity is formed between the first bulge and the second bulge; the first protrusion is provided with a first barb, and the folded edge is provided with a first L-shaped groove matched with the first barb; a second barb is arranged on the second protrusion, and a second L-shaped groove matched with the second barb is formed in the flat bottom plate; the cavity is internally provided with a solder in an interference fit mode, the joint of the second protrusion and the inner surface of the flat base plate is provided with a waistcoat, and the inner surface of the flat base plate is coated with a heat insulation layer. The welding type flat-bottom end socket is firm in connection, and the welding position is not easy to corrode; the heat insulation performance is good.
Description
Technical Field
The utility model belongs to the technical field of the head, concretely relates to flat head of welding type.
Background
The end closure, also called an end cover, is an element for sealing the end part of the container to isolate the internal medium and the external medium of the container; according to the shape of the end socket, the end socket is divided into a spherical end socket, a disc-shaped end socket, a conical end socket, an oval end socket, a flat-bottom end socket and the like. The flat-bottom end socket is widely applied to large-scale pressure vessels and pressure pipelines, and the flat-bottom end socket is required to have good heat preservation, heat insulation and sealing performances.
In the prior art, a flat-bottom end socket comprises a flat bottom plate and a folded edge, a die pressing or spinning method is usually adopted for a small flat-bottom end socket, a large flat-bottom end socket is mostly prepared by welding, and the welding part of the flat-bottom end socket prepared by welding is corroded; the flat-bottom end socket has poor heat insulation performance.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: aiming at the defects, the utility model provides a welding type flat-bottom end socket, which has firm connection to the end socket formed by welding and the welding position is not easy to corrode; the heat insulation performance is good.
The utility model provides a technical scheme that its technical problem adopted as follows: the welding type flat-bottom end socket comprises a flat bottom plate and a folded edge, wherein a first bulge is arranged at the edge of the flat bottom plate, a second bulge is arranged on the inner surface of the folded edge, and a sealing structure with a cavity is formed between the first bulge and the second bulge; the cavity is internally provided with solder in interference fit, and the inner surface of the flat base plate is coated with an insulating layer. The welding type flat-bottom end socket of the structure adopts the welding flux to connect except the welding edge during welding, the flat-bottom plate and the folded edge form the structure with the cavity, the welding flux in the cavity is subjected to heat transfer in the edge welding process from the internal hot melting welding, the connection strength of the flat-bottom plate and the folded edge is improved, and the end socket is firm.
Furthermore, the connecting part of the second bulge and the inner surface of the flat base plate is provided with a waistcoat, the connecting strength between the folded edge and the flat base plate is further increased through the arranged waistcoat, the corrosion of a storage medium to the welding part can be effectively avoided due to the arrangement of the waistcoat, and the service life of the seal head is prolonged.
Furthermore, the waistcoat is of an arc-shaped structure and is made of aluminum silicate or ceramic fibers. The arc structure can avoid the edge force caused by the sudden change of the curvature radius of the connection between the flat bottom plate and the folded edge in the flat bottom end socket; the aluminum silicate or ceramic fiber is adopted, so that the deformation of the shoulder can be avoided in the high-temperature welding process, and the strength of the seal head is improved; the material has good heat insulation effect and high temperature resistance, and improves the heat insulation performance of the welding type flat-bottom end socket.
Furthermore, the waistcoat and the heat-insulating layer are integrally formed. The waistcoat and the heat-insulating layer are integrally formed, so that the heating uniformity between the flat base plate and the folded edge can be ensured, and no overlapping gap exists.
Furthermore, a first barb is arranged on the first protrusion, and the hook part of the first barb is made of elastic sheets; the folded edge is provided with a first L-shaped groove matched with the first barb; a second barb is arranged on the second protrusion, and the hook part of the second barb is made of an elastic sheet; the flat bottom plate is provided with a second L-shaped groove matched with the second barb. Mutually support between barb and the L shape recess, be about to the mutual joint of protruding on flat bottom plate and the hem, connect the fastening, further improve the joint strength of head.
Further, the first barb or the second barb is of a V-shaped structure. The barb of V-arrangement structure is convenient for with extrusion and the bullet when L type recess cooperation open, can reduce the opening width of L type recess, connects closely.
The utility model has the advantages that: by adopting the scheme, the welding edge of the welding type flat-bottom end socket is connected by adopting the welding flux when welding, the flat bottom plate and the folded edge form a structure with a cavity, the welding flux in the cavity is subjected to hot melting welding from the inside in the edge welding process, the connecting strength of the flat bottom plate and the folded edge is improved, and the end socket is firm; the connecting strength between the folded edge and the flat base plate is further increased through the arranged waistcoat, the corrosion of a storage medium to a welding part can be effectively avoided due to the arrangement of the waistcoat, and the service life of the seal head is prolonged; the arc structure can avoid the edge force caused by the sudden change of the curvature radius of the connection between the flat bottom plate and the folded edge in the flat bottom end socket; the aluminum silicate or ceramic fiber is adopted, so that the deformation of the shoulder can be avoided in the high-temperature welding process, and the strength of the seal head is improved; the material has good heat preservation effect and high temperature resistance, and improves the heat preservation performance of the welding type flat-bottom end socket; the waistcoat and the heat-insulating layer are integrally formed, so that the heating uniformity between the flat base plate and the folded edge can be ensured; the barb and the L-shaped groove are matched with each other, namely the flat bottom plate and the bulge on the folded edge are clamped with each other and are connected and fastened, so that the connection strength of the seal head is further improved; the barb of the V-shaped structure is convenient for extrusion and springing open when being matched with the L-shaped groove, the opening width of the L-shaped groove can be reduced, and the connection is tight.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of part A of the present invention;
wherein: 1 is a flat base plate, 11 is a second L-shaped groove, 2 is a folded edge, 21 is a first L-shaped groove, 3 is a first protrusion, 31 is a first barb, 4 is a second protrusion, 41 is a second barb, 5 is a cavity, 6 is solder, 7 is a waistcoat, and 8 is a heat-insulating layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-2, the welding type flat bottom end socket comprises a flat bottom plate 1 and a folded edge 2, wherein a first bulge 3 is arranged at the edge of the flat bottom plate 1, a second bulge 4 is arranged on the inner surface of the folded edge 2, and a sealing structure with a cavity 5 is formed between the first bulge 3 and the second bulge 4; the cavity 5 is internally provided with solder 6 in an interference fit manner, and the inner surface of the flat base plate 1 is coated with an insulating layer 8; the junction of the second bulge 4 and the inner surface of the flat bottom plate 1 is provided with a waistcoat 7; the waistcoat 7 is of an arc-shaped structure, and the waistcoat 7 is made of aluminum silicate or ceramic fiber; the waistcoat 7 and the heat-insulating layer 8 are integrally formed;
a first barb 31 is arranged on the first protrusion 3, the hook part of the first barb 31 is made of elastic sheets, and the first barb 31 is of a V-shaped structure; the folded edge 2 is provided with a first L-shaped groove 21 matched with the first barb 31;
a second inverted hook 41 is arranged on the second protrusion 4, and the hook part of the second inverted hook 41 is made of an elastic sheet; the second barb 41 is of a V-shaped structure; the flat bottom plate 1 is provided with a second L-shaped groove 11 for the second barb 41 to engage.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. Flat head of welding type, including flat bed board (1) and hem (2), its characterized in that: the edge of the flat base plate (1) is provided with a first bulge (3), the inner surface of the folded edge (2) is provided with a second bulge (4), and a sealing structure with a cavity (5) is formed between the first bulge (3) and the second bulge (4); and the cavity (5) is internally provided with a solder (6) in an interference fit manner, and the inner surface of the flat base plate (1) is coated with an insulating layer (8).
2. A welding-type flat bottom head according to claim 1, wherein: the connection part of the second bulge (4) and the inner surface of the flat bottom plate (1) is provided with a waistcoat (7).
3. A welding-type flat bottom head according to claim 2, wherein: the waistcoat (7) is of an arc-shaped structure, and the waistcoat (7) is made of aluminum silicate or ceramic fiber.
4. A welding-type flat bottom head according to claim 3, wherein: the waistcoat (7) and the heat-insulating layer (8) are integrally formed.
5. A welding-type flat bottom head according to claim 1, wherein: a first barb (31) is arranged on the first protrusion (3), and the hook part of the first barb (31) is made of elastic sheets; the folded edge (2) is provided with a first L-shaped groove (21) matched with the first barb (31); a second barb (41) is arranged on the second protrusion (4), and the hook part of the second barb (41) is made of elastic sheets; the flat bottom plate (1) is provided with a second L-shaped groove (11) matched with the second barb (41).
6. A welding-type flat bottom head according to claim 5, wherein: the first barb (31) is of a V-shaped structure; the second barb (41) is of a V-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921477240.5U CN210633142U (en) | 2019-09-06 | 2019-09-06 | Welding type flat-bottom end socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921477240.5U CN210633142U (en) | 2019-09-06 | 2019-09-06 | Welding type flat-bottom end socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210633142U true CN210633142U (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921477240.5U Active CN210633142U (en) | 2019-09-06 | 2019-09-06 | Welding type flat-bottom end socket |
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| Country | Link |
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| CN (1) | CN210633142U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305390A (en) * | 2021-05-26 | 2021-08-27 | 成立航空股份有限公司 | Vacuum brazing method for interference fit clearance |
| CN114352812A (en) * | 2022-03-16 | 2022-04-15 | 河北华洋钢管有限公司 | High-strength wear-resistant compression-resistant high-frequency straight welded steel pipe |
-
2019
- 2019-09-06 CN CN201921477240.5U patent/CN210633142U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305390A (en) * | 2021-05-26 | 2021-08-27 | 成立航空股份有限公司 | Vacuum brazing method for interference fit clearance |
| CN114352812A (en) * | 2022-03-16 | 2022-04-15 | 河北华洋钢管有限公司 | High-strength wear-resistant compression-resistant high-frequency straight welded steel pipe |
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