CN216263349U - Heating and heat-insulating riser - Google Patents
Heating and heat-insulating riser Download PDFInfo
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- CN216263349U CN216263349U CN202122724588.3U CN202122724588U CN216263349U CN 216263349 U CN216263349 U CN 216263349U CN 202122724588 U CN202122724588 U CN 202122724588U CN 216263349 U CN216263349 U CN 216263349U
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- steel jacket
- steel sleeve
- insulating riser
- riser
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Abstract
The utility model provides a heating and heat-insulating riser which comprises a riser body and a steel sleeve assembled on the riser body, wherein the upper end and the lower end of the steel sleeve are provided with openings, and a flanging structure which is bent inwards is arranged at the lower end opening of the steel sleeve. According to the utility model, through the flanging structure, on one hand, the strength of the lower end opening of the steel sleeve can be increased, the lower end opening of the steel sleeve cannot deform, on the other hand, a small amount of material can be prevented from falling into the cavity, and the problems of rusting of the mold, impurities on the surface of a sand mold, defects on the surface of a cast product and the like caused by falling of the material from the inner cavity of the steel sleeve to the surfaces of the mold and the sand mold can be effectively solved.
Description
Technical Field
The utility model relates to a heating and heat-insulating riser.
Background
As shown in fig. 1-2, the steel sleeve in the prior art is thin, generally 0.3mm, and the lower opening of the steel sleeve is often deformed during high-pressure molding, so that the use effect is affected; exothermic materials can be scraped after the riser is molded, the materials can fall to the surface of the mold and the sand mold from the inner cavity of the steel sleeve, so that the problems that the mold is rusted, the surface of the sand mold has impurities, the surface of a product after casting has defects and the like are caused.
In addition, the steel bushing needs to be manually inserted into the inner cavity of the riser when in use, and the side surface of the steel bushing is smooth and free of marks, so that whether the steel bushing is installed in place or not cannot be determined during manual assembly, and the problems of excessive steel bushing installation, excessive riser neck residue, high cleaning cost and the like occur.
Therefore, improvements are needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the heating and heat-insulating riser which is high in strength, not easy to deform, capable of preventing slag holes and simple in structure and strong in practicability.
In order to achieve the purpose, the utility model provides a heating and heat-insulating riser which comprises a riser body and a steel sleeve assembled on the riser body, wherein the upper end and the lower end of the steel sleeve are provided with openings, and a flanging structure which is bent inwards is arranged at the opening at the lower end of the steel sleeve.
According to another embodiment of the utility model, the distance of the flanging structure along the length direction of the steel sleeve is more than 2 mm.
According to another embodiment of the utility model, the distance of the flanging structure in the height direction of the steel jacket is 3mm, and the bearing capacity of the flanging structure exceeds 12 KN.
According to another embodiment of the utility model, the flanging structure is formed into a circular ring shape, and the center of the flanging structure is coincided with the center of the steel sleeve.
According to another embodiment of the utility model, the steel jacket comprises a steel jacket upper part, a steel jacket middle part and a steel jacket lower part, wherein the steel jacket upper part and the steel jacket middle part are both columnar, the diameter of the steel jacket upper part is larger than that of the steel jacket middle part, and a limiting structure is formed.
According to another embodiment of the utility model the difference between the diameter of the upper part of the steel jacket and the diameter of the middle part of the steel jacket is above 1 mm.
According to another embodiment of the utility model the height of the upper part of the steel jacket is 10-16 mm.
According to another embodiment of the utility model, the lower part of the steel jacket is tapered to the lower and inner side.
According to another embodiment of the utility model, the steel jacket is made of cold-rolled sheet and/or galvanized cold-rolled sheet.
The steel sleeve is used as a part matched with the riser body, is used in the industry, and is not limited to be made of steel completely.
The utility model has the following beneficial effects:
according to the utility model, through the flanging structure, on one hand, the strength of the lower end opening of the steel sleeve can be increased, the steel sleeve cannot deform, on the other hand, a small amount of material can be prevented from falling into the cavity, and the problems of rusting of the mold, impurities on the surface of a sand mold, defects on the surface of a cast product and the like caused by the falling of the material into the mold and the surface of the sand mold can be effectively solved.
The limiting structure is formed at the boundary of the upper part of the steel sleeve and the middle part of the steel sleeve, so that an assembly mark can be provided for manual assembly, and the limiting structure can prevent the steel sleeve from being skewed and can be uniformly stressed with the periphery of a dead head during installation.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a prior art structure prior to use;
FIG. 2 is a schematic diagram of a prior art configuration after use;
FIG. 3 is a schematic diagram of the structure of a steel sleeve in the riser embodiment 1 of the utility model;
FIG. 4 is a schematic illustration of the riser body and steel sleeve of example 1 of the riser of the present invention prior to assembly;
fig. 5 is a schematic view of the riser body and steel jacket of example 1 of the riser of the present invention after assembly.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Example 1
The embodiment provides an exothermic insulating riser, as shown in fig. 3-5, which comprises a riser body 10 and a steel sleeve 20 assembled on the riser body 10, wherein the upper end and the lower end of the steel sleeve 20 are open, and an inward-bent flanging structure 30 is arranged at the lower end opening of the steel sleeve 20.
Further, the distance of the flange structure 30 along the length direction of the steel sleeve 20 is more than 2mm, specifically, for example, the distance of the flange structure 30 along the height direction of the steel sleeve 20 is 3mm, and the bearing capacity exceeds 12 KN.
The flanging structure 30 is formed into a circular ring shape, and the center of the flanging structure 30 is coincided with the center of the steel sleeve 20.
In this embodiment, the steel jacket 20 includes a steel jacket upper portion 21, a steel jacket middle portion 22, and a steel jacket lower portion 23, the steel jacket upper portion 21 and the steel jacket middle portion 22 are both columnar, wherein the diameter of the steel jacket upper portion 21 is larger than the diameter of the steel jacket middle portion 22 and forms a limit structure 40, and the steel jacket lower portion 23 is a tapered shape that contracts toward the lower inner side.
Still further, the difference between the diameter of the upper part 21 of the steel sleeve and the diameter of the middle part 22 of the steel sleeve is more than 1mm, wherein the height of the upper part 21 of the steel sleeve is 10-16mm, the sizes of different types of the steel sleeve are shown in the following table, and the steel sleeve can be adaptively adjusted in other corresponding examples.
| Serial number | Model number | Wall thickness dimension | Height of steel jacket | Size of upper end opening | Size of lower end opening | Height of the flanging structure | Total height of |
| 1 | M2010 | 0.3-1.0 | 10-16 | 22 | 10 | 2-5 | 50-55 |
| 2 | M4015 | 0.3-1.0 | 10-16 | 42 | 15 | 2-5 | 50-55 |
| 3 | M4020 | 0.3-1.0 | 10-16 | 42 | 20 | 2-5 | 50-55 |
| 4 | M4025 | 0.3-1.0 | 10-16 | 42 | 25 | 2-5 | 50-55 |
| 5 | M4030 | 0.3-1.0 | 10-16 | 42 | 30 | 2-5 | 50-55 |
| 6 | M6025 | 0.3-1.0 | 10-16 | 62 | 25 | 2-5 | 50-55 |
| 7 | M6030 | 0.3-1.0 | 10-16 | 62 | 30 | 2-5 | 50-55 |
| 8 | M6035 | 0.3-1.0 | 10-16 | 62 | 35 | 2-5 | 50-55 |
| 9 | M6040 | 0.3-1.0 | 10-16 | 62 | 40 | 2-5 | 50-55 |
| 10 | M6045 | 0.3-1.0 | 10-16 | 62 | 45 | 2-5 | 50-55 |
| 11 | M6050 | 0.3-1.0 | 10-16 | 62 | 50 | 2-5 | 50-55 |
| 12 | M8030 | 0.3-1.0 | 10-16 | 82 | 30 | 2-5 | 50-55 |
| 13 | M8035 | 0.3-1.0 | 10-16 | 82 | 35 | 2-5 | 50-55 |
| 14 | M8040 | 0.3-1.0 | 10-16 | 82 | 40 | 2-5 | 50-55 |
| 15 | M8045 | 0.3-1.0 | 10-16 | 82 | 45 | 2-5 | 50-55 |
| 16 | M8050 | 0.3-1.0 | 10-16 | 82 | 50 | 2-5 | 50-55 |
| 17 | M8055 | 0.3-1.0 | 10-16 | 82 | 55 | 2-5 | 50-55 |
| 18 | M8060 | 0.3-1.0 | 10-16 | 82 | 60 | 2-5 | 50-55 |
The steel jacket 20 in this embodiment is made of cold-rolled sheet and/or galvanized cold-rolled sheet.
In the embodiment, the strength of the lower end opening of the steel sleeve 20 can be increased through the flanging structure 30, the flanging structure does not deform, and the flanging structure 30 does not crack during production after testing, so that the practicability is high; on the other hand, the riser can be used for preventing a small amount of material from falling into the cavity, and the total volume of exothermic material falling from the riser is about 375mm by calculation3When the height of the edge-turning structure 30 is 3mm, the volume of the groove space formed by the edge-turning structure 30 with the height of 3mm is 903mm3Can completely meet the volume requirement, so can haveEffectively eliminating the problems of rusting of the mold, impurities on the surface of the sand mold, defects on the surface of a cast product and the like caused by the fact that materials fall to the surfaces of the mold and the sand mold from the inner cavity of the steel sleeve.
The limiting structure 40 is formed at the boundary of the upper portion 21 and the middle portion 22 of the steel sleeve, so that an assembly mark can be provided for manual assembly, and the limiting structure 40 can prevent the steel sleeve 40 from being inclined during installation and can be fully contacted with the riser body 10 to be stressed uniformly.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the utility model, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (9)
1. The heating and heat-insulating riser comprises a riser body and a steel sleeve assembled on the riser body, wherein the upper end and the lower end of the steel sleeve are open, and the heating and heat-insulating riser is characterized in that a flanging structure which is bent inwards is arranged at the lower end opening of the steel sleeve.
2. The exothermic insulating riser as claimed in claim 1, wherein the distance between the flange structure and the steel jacket in the lengthwise direction is 2mm or more.
3. The exothermic insulating riser according to claim 1, wherein the distance between the flange structure and the steel jacket in the height direction is 3mm, and the bearing capacity of the flange structure exceeds 12 KN.
4. The exothermic insulating riser according to claim 1, wherein the flange structure is formed in a circular ring shape, and the center of the flange structure coincides with the center of the steel sleeve.
5. An exothermic insulating riser according to any one of claims 1 to 4, wherein the steel jacket comprises an upper steel jacket portion, a middle steel jacket portion and a lower steel jacket portion, the upper steel jacket portion and the middle steel jacket portion each having a cylindrical shape, wherein the upper steel jacket portion has a diameter greater than that of the middle steel jacket portion and forms a retaining structure.
6. The exothermic insulating riser according to claim 5, wherein the difference between the diameter of the upper portion of said steel jacket and the diameter of the middle portion of said steel jacket is greater than 1 mm.
7. The exothermic insulating riser according to claim 5, wherein the height of the upper portion of said steel jacket is 10-16 mm.
8. An exothermic insulating riser according to claim 5 wherein said lower portion of said steel sleeve is tapered inwardly downwardly.
9. The exothermic insulating riser according to claim 1, wherein the steel jacket is made of cold rolled sheet and/or galvanized cold rolled sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122724588.3U CN216263349U (en) | 2021-11-09 | 2021-11-09 | Heating and heat-insulating riser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122724588.3U CN216263349U (en) | 2021-11-09 | 2021-11-09 | Heating and heat-insulating riser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216263349U true CN216263349U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122724588.3U Active CN216263349U (en) | 2021-11-09 | 2021-11-09 | Heating and heat-insulating riser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216263349U (en) |
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2021
- 2021-11-09 CN CN202122724588.3U patent/CN216263349U/en active Active
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