CN217081048U - Detachable variable cross-section fixing bolt - Google Patents
Detachable variable cross-section fixing bolt Download PDFInfo
- Publication number
- CN217081048U CN217081048U CN202123036747.7U CN202123036747U CN217081048U CN 217081048 U CN217081048 U CN 217081048U CN 202123036747 U CN202123036747 U CN 202123036747U CN 217081048 U CN217081048 U CN 217081048U
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- section
- stud
- variable cross
- cross
- bolt
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
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Abstract
The utility model discloses a detachable assembled variable cross-section fixing bolt, which consists of a stud with a uniform cross-section and a stud base with a variable cross-section; the stud with the uniform cross section comprises a torsion upper mounting table; the variable cross-section stud base comprises a lower torsion mounting table, a bottom anti-torsion reinforcing ring, an external fixed thread table and a self-connecting internal thread; the constant-section stud forms a fixed bolt with the variable-section stud base through the self-connecting internal thread; the external fixing thread table is fixed on the external connecting plate. The utility model discloses a detachable assembled variable cross section fixing bolt, on one hand, in the isolation space, two sections of assembled connection of the bolt are realized; on the other hand, due to the design of the variable cross-section stud, the material cost is saved, and the strength requirements of different cross sections of the bolt are met. Especially in low temperature film containment system, this utility model can fix the insulating insulation construction between the different layers in a flexible way.
Description
Technical Field
The utility model relates to a removable assecmbly formula variable cross section fixing bolt can provide nimble structural connection spare for the engineering field. Particularly, in the field of low-temperature liquid film enclosure systems, the connection of different insulation structures is realized.
Background
The liquid frozen gas is a cryogenic gas storage technology, and is stored in a special container through gas liquefaction in an ultralow temperature environment. The density of liquefied natural gas, hydrogen, nitrogen, helium and the like is greatly improved compared with the density at normal temperature, and the pressure requirement on the container is reduced compared with the pressure storage of high-pressure gas, so that the storage quality of the container with the same volume is greatly improved.
The film type storage tank was first applied to large-scale storage and remote transportation of liquefied hydrocarbon liquefied gas. The method has the characteristics of low carbon content of construction materials, high reheating frequency, easiness in maintenance and the like, has the characteristics of high prefabrication degree, high field installation speed, short installation period and the like, better meets the emission reduction target of low carbon, and is a novel frozen liquefied gas storage scheme.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a removable assecmbly formula variable cross section fixing bolt, this variable cross section fixing bolt structure includes: the bolt comprises a stud with a uniform cross section and a stud base with a variable cross section. Wherein, the stud with the equal section is provided with a torsion table; the variable cross-section stud base is designed with an inner groove thread, a torsion mounting table and the like. The utility model discloses a detachable assembled variable cross section fixing bolt, on one hand, in the isolation space, two sections of assembled connection of the bolt are realized; on the other hand, due to the design of the variable cross-section stud, the material cost is saved, and the strength requirements of different cross sections of the bolt are met. Especially in low temperature film containment system, this utility model can fix the insulating insulation construction between the different layers in a flexible way.
In order to achieve the above object, the utility model provides a following technical scheme: a detachable assembled variable cross-section fixing bolt is composed of a uniform cross-section stud and a variable cross-section stud base; the stud with the uniform cross section comprises a torsion upper mounting table; the variable cross-section stud base comprises a lower torsion mounting table, a bottom anti-torsion reinforcing ring, an external fixed thread table and a self-connecting internal thread; the constant-section stud forms a fixed bolt with the variable-section stud base through the self-connecting internal thread; the external fixing thread table is fixed on the external connecting plate.
As the improvement of the technical scheme, the stud with the uniform cross section is made of stainless steel, aluminum alloy or carbon steel, threads are designed at two ends, and a torsion mounting table is designed in the middle, so that the stud is convenient to connect, disassemble and assemble.
As the improvement of the technical scheme, the variable cross-section stud base is made of stainless steel, aluminum alloy or carbon steel, an inner groove thread is designed at one end, a boss thread is designed at the other end, and a torsion mounting table is designed to facilitate connection, disassembly and assembly.
As an improvement of the technical scheme, a torsion upper mounting table is arranged in the middle of the stud with the uniform cross section.
As an improvement of the technical scheme, the torsion lower mounting platform is a platform with a plane groove formed in the cylindrical section at one end of the variable-section stud base, so that the base can be conveniently mounted and pretightening force can be applied.
As an improvement of the above solution, the bottom anti-twist reinforcement ring is aimed at increasing the bending resistance of the bolt root. When the stud bears the lateral force, the maximum bending moment position is positioned at the root part fixed by the bolt. The design of the cross-variable section not only meets the strength requirement of the bolt, but also saves materials and cost.
As an improvement of the technical scheme, the external fixing thread table is fixedly connected with an external structure. The smooth transition of the reaction force is better realized and the stress concentration is reduced due to the solid cylindrical section.
As an improvement of the technical scheme, the variable cross-section stud base is provided with self-connection internal threads.
As an improvement of the technical scheme, the self-connecting internal thread is matched with the stud with the equal section for installation. The mode of disassembling and assembling can solve the problem of smooth assembling and connecting of different partition spaces or narrow spaces on site.
As an improvement of the technical scheme, the torsion upper mounting table is convenient for mounting the equal-section stud on the variable-section stud base and applying appointed pretightening force.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model provides a bolt demountable assembly, the structure in different spaces or narrow and small space of being convenient for is connected.
2. The utility model provides a bolt design has the torsion mount table, and easy to assemble promptly can the accurate pretightning force of applying again.
3. The utility model provides a bolt design is variable cross-section structure, when having guaranteed bolt intensity, has also saved the cost.
Drawings
FIG. 1 is a general schematic view of the detachable assembled variable cross-section fixing bolt of the present invention;
FIG. 2 is a schematic view of a variable cross-section stud base of the detachable assembled bolt of the present invention;
FIG. 3 is a schematic view of a uniform cross-section stud portion of the removable assembly bolt of the present invention;
wherein, 1, the stud with the uniform cross section; 2. a variable cross-section stud base; 3. a torsion lower mounting table; 4. a bottom torsion resistant reinforcement ring; 5. a thread table is fixed outside; 6. self-connecting internal threads; 7. and (5) installing a table on the torsion.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the utility model discloses a detachable assembled variable cross-section fixing bolt, which consists of a stud 1 with a uniform cross-section and a stud base 2 with a variable cross-section; the stud 1 with the uniform cross section comprises a torsion upper mounting table 7; the variable cross-section stud base 2 comprises a torsion lower mounting table 3, a bottom anti-torsion reinforcing ring 4, an external fixed thread table 6 and a self-connection internal thread 6; the uniform-section stud 1 and the variable-section stud base 2 form a fixing bolt through a self-connecting internal thread 6; the external fixed thread stand 5 is fixed to an external connection plate. The utility model discloses a detachable assembled variable cross section fixing bolt, on one hand, in the isolation space, two sections of assembled connection of the bolt are realized; on the other hand, due to the design of the variable cross-section stud, the material cost is saved, and the strength requirements of different cross sections of the bolt are met. Especially in low temperature film containment system, this utility model can fix the insulating insulation construction between the different layers in a flexible way.
The equal-section stud 1 is made of stainless steel, aluminum alloy or carbon steel, threads are designed at two ends, and a torsion mounting table is designed in the middle, so that the connection, the disassembly and the assembly are convenient.
The variable cross-section stud base 2 is made of stainless steel, aluminum alloy or carbon steel, an inner groove thread is designed at one end, a boss thread is designed at one end, and a torsion mounting table is designed at one end, so that the variable cross-section stud base is convenient to connect, disassemble and assemble.
The torsion lower mounting platform 3 is a platform with a plane groove formed in the cylindrical section at one end of the variable-section stud base, and is convenient for mounting the base and applying pretightening force.
The purpose of said bottom anti-twist reinforcement ring 4 is to increase the bending resistance of the bolt root. When the stud bears the lateral force, the maximum bending moment position is positioned at the root part fixed by the bolt. The design of the cross-variable section not only meets the strength requirement of the bolt, but also saves materials and cost.
The external fixing thread table 5 is fixedly connected with an external structure. The smooth transition of the reaction force is better realized and the stress concentration is reduced due to the solid cylindrical section.
The self-connecting internal thread 6 is matched with the stud with the equal section for installation. The mode of disassembling and assembling can solve the problem of smooth assembling and connecting of different partition spaces or narrow spaces on site.
The torsion upper mounting table 7 facilitates mounting of the stud with the uniform cross section on the base of the stud with the variable cross section and applying of appointed pretightening force.
The basic principle and the main features of the invention and the advantages of the invention will be evident to those skilled in the art that the invention is not restricted to the details of the above-described exemplary embodiments, but can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a removable assecmbly formula variable cross section fixing bolt which characterized in that: the bolt consists of a stud (1) with a uniform cross section and a stud base (2) with a variable cross section; the stud (1) with the uniform cross section comprises a torsion upper mounting table (7); the variable cross-section stud base (2) comprises a torsion lower mounting table (3), a bottom anti-torsion reinforcing ring (4), an external fixed thread table (5) and a self-connection internal thread (6); the uniform-section stud (1) and the variable-section stud base (2) form a fixing bolt through a self-connecting internal thread (6); the external fixed thread table (5) is fixed on the external connecting plate.
2. The detachable variable cross-section fixing bolt of claim 1, wherein: and a torsion upper mounting table (7) is arranged in the middle of the equal-section stud (1).
3. The detachable variable cross-section fixing bolt of claim 1, wherein: the variable cross-section stud base (2) is provided with a self-connection internal thread (6).
4. The detachable variable cross-section fixing bolt of claim 1, wherein: the torsion lower mounting platform (3) is a platform with a plane groove formed in the cylindrical section at one end of the variable-section stud base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123036747.7U CN217081048U (en) | 2021-12-06 | 2021-12-06 | Detachable variable cross-section fixing bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123036747.7U CN217081048U (en) | 2021-12-06 | 2021-12-06 | Detachable variable cross-section fixing bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217081048U true CN217081048U (en) | 2022-07-29 |
Family
ID=82537995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123036747.7U Active CN217081048U (en) | 2021-12-06 | 2021-12-06 | Detachable variable cross-section fixing bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217081048U (en) |
-
2021
- 2021-12-06 CN CN202123036747.7U patent/CN217081048U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200137 1715, block B, South Building, No. 515, Qifan Road, Pudong New Area, Shanghai Patentee after: Zhongtai Energy Technology (Shanghai) Co.,Ltd. Address before: 200137 1715, block B, South Building, No. 515, Qifan Road, Pudong New Area, Shanghai Patentee before: China Pacific Maritime Technology (Shanghai) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 7th Floor, Pujiang International Financial Plaza, No. 1158 Dongdaming Road, Hongkou District, Shanghai, 200082 Patentee after: Zhongtai Energy Technology (Shanghai) Co.,Ltd. Country or region after: China Address before: 200137 1715, block B, South Building, No. 515, Qifan Road, Pudong New Area, Shanghai Patentee before: Zhongtai Energy Technology (Shanghai) Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A detachable and assembled variable cross-section fixing bolt Granted publication date: 20220729 Pledgee: Bank of Hangzhou Limited by Share Ltd. Shanghai branch Pledgor: Zhongtai Energy Technology (Shanghai) Co.,Ltd. Registration number: Y2024310000144 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |