CN116517937A - Fastener and explosive fastener assembly - Google Patents
Fastener and explosive fastener assembly Download PDFInfo
- Publication number
- CN116517937A CN116517937A CN202310378475.3A CN202310378475A CN116517937A CN 116517937 A CN116517937 A CN 116517937A CN 202310378475 A CN202310378475 A CN 202310378475A CN 116517937 A CN116517937 A CN 116517937A
- Authority
- CN
- China
- Prior art keywords
- fastener
- explosive
- section
- end cap
- cylinder
- 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.)
- Pending
Links
- 239000002360 explosive Substances 0.000 title claims abstract description 51
- 230000008602 contraction Effects 0.000 claims description 9
- 238000004880 explosion Methods 0.000 claims description 6
- 239000003721 gunpowder Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/14—Bolts or the like for shooting into concrete constructions, metal walls or the like by means of detonation-operated nailing tools
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The present invention relates to fasteners and explosive fastener assemblies. The fastener comprises an end cap and a cylinder, wherein the end cap is in non-detachable connection with the cylinder; the cross-sectional dimension of the end cap is greater than the cross-sectional dimension of the cylinder; the cylinder is provided with a containing hole, the containing hole is provided with at least one shrinkage section, the cross section dimension of the shrinkage section is gradually reduced along the longitudinal direction, and the shrinkage section is used for containing an explosive piece. According to the fastener and the explosive fastener component, the explosive piece is accommodated in the accommodating hole, the explosive piece can be exploded through impact, the tail end of the fastener is exploded after the explosive piece is exploded, and the tail end of the fastener is stuck to a gasket or a connected object after being split, so that the riveting effect is realized.
Description
Technical Field
The present invention relates to fasteners and explosive fastener assemblies.
Background
Currently, a large number of fasteners are required in steel construction. The fastening piece used in the steel structure building is mainly composed of bolts and nuts. However, the conventional fastener needs special installation tools when in use, and is inconvenient to use in some special positions and can be used only by means of special tools.
Disclosure of Invention
It is an object of the present invention to overcome at least one of the deficiencies in the prior art by providing a fastener and an explosive fastener assembly.
In order to achieve the above purpose, the present invention is realized by the following technical scheme:
a fastener, comprising:
an end cap;
the end cap is connected with the cylinder in a non-detachable mode; the cross-sectional dimension of the end cap is greater than the cross-sectional dimension of the cylinder;
the cylinder is provided with a containing hole, the containing hole is provided with at least one shrinkage section, the cross section dimension of the shrinkage section is gradually reduced along the longitudinal direction, and the shrinkage section is used for containing an explosive piece.
According to one technical scheme of the invention, the accommodating hole is provided with a straight line section with the same cross section size; the straight line section is connected with the contraction section in sequence.
According to one technical scheme of the invention, the containing hole is a through hole arranged along the longitudinal direction.
According to one aspect of the present invention, the end cap is disposed at one end of the column; the accommodating hole is provided with a first opening at the end cap and a second opening at the other end of the column body; the first opening is larger than the second opening.
According to one aspect of the invention, the other end of the cylinder is provided with a slot extending from the other end in the direction of the end cap.
According to one aspect of the invention, the slot extends from the surface of the cylinder to a selected depth into the receiving aperture.
According to one aspect of the present invention, the number of the grooves is plural, and the plural grooves are distributed around the accommodation hole.
According to one aspect of the invention, the end cap is integrally formed with the cylinder, the cylinder being provided with threads.
According to one technical scheme of the invention, the column body is sleeved with a gasket.
An explosive fastener assembly comprising the fastener described above, and an explosive element; the explosive piece is accommodated in the contraction section of the accommodating hole.
According to one technical scheme of the invention, the explosive piece comprises a shell, and gunpowder is filled in the shell; the shell is provided with a primer; the explosion part ignites and ignites gunpowder in the shell when the primer is impacted and causes explosion, and the shrinkage section of the cylinder is exploded
The working principle of the fastener and the explosive fastener component in the invention is the same as that of the bullet shell of the bullet. The explosive piece is contained in the containing hole, the explosive piece can be exploded through striking, one end of the cylinder provided with the shrinkage section is exploded after the explosive piece is exploded, and the end is stuck to a gasket or a connected object after being exploded, so that the riveting effect is realized.
According to the fastener and the explosive fastener component, the accommodating hole is provided with the contraction section, so that the explosive piece can be conveniently accommodated in the contraction section without falling. The shrinkage section is arranged, and air flow generated by explosion of the explosive element is extruded in the shrinkage section, so that the end of the column body of the fastener is more easily cracked. The other end of the column body of the fastener is provided with a groove, so that the other end of the column body of the fastener can be cracked more easily, and the riveting effect can be realized more easily. The gasket is arranged, so that the other end of the column body can be connected more firmly after being fried.
Other features of the present invention and its advantages will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of an exploded fastener assembly of the present invention.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a schematic cross-sectional view A-A of FIG. 2.
FIG. 4 is a schematic view of the use of an explosive fastener of the present invention.
FIG. 5 is a schematic cross-sectional view of an explosive fastener of the present invention in use.
Detailed Description
The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The terminology used in the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
It should be noted that, the terms "upper", "lower", "left", "right", and the like in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.
According to one embodiment of the present invention, an explosive fastener assembly is provided. Referring to fig. 1-3, an explosive fastener assembly 1 includes a fastener 11 and an explosive element 12. Fastener 11 includes end cap 13 and post 14. An end cap 13 is provided at one end of the column 14. The end cap 13 is non-detachably connected to the column 14, and as a preferred embodiment of the present invention, the end cap 13 is integrally formed with the column 14. The cross-sectional dimension of end cap 13 is greater than the cross-sectional dimension of cylinder 14. The fastener 11 is provided with a receiving hole 15, the receiving hole 15 being a through hole, a first opening 16 being provided in the end cap 13, and a second opening 18 being provided in the other end 17 of the column 14. The cross-sectional dimension of the first opening 16 is greater than the cross-sectional dimension of the second opening 18. The receiving hole 15 has a straight section 151 having the same cross-sectional dimension and a constricted section 152 having a cross-sectional dimension gradually decreasing in the longitudinal direction. The straight section 151 is connected in sequence with the converging section 152.
The outer surface of the cylinder 14 is provided with threads. The other end 17 of the column 14 is provided with a groove 19, said groove 19 extending from said other end 17 in the direction of said end cap 13. The slots 19 extend from the surface of the post 14 to a selected depth into the receiving aperture 15. The number of the grooves 19 is plural, and the plurality of grooves 19 are distributed around the accommodating hole 15. The column 14 is sleeved with a gasket 21. The spacer 21 is adjacent the other end of the column 14.
The explosive element 12 includes a housing 121 and a primer 122. The housing 121 has a powder (not shown) disposed therein. The primer 122 is disposed on the housing 121. The explosive element 12 is accommodated in the contraction section 152 of the accommodating hole 15. The primer 122 of the explosive 12 ignites the powder upon impact, causing the explosive 12 to explode. The explosive 12 in the invention can control the amount of gunpowder according to the requirement of the actual use occasion on the explosive force so as to control the explosion within a safe range and ensure the use safety.
In use, as shown in fig. 4 and 5, the post 14 of the fastener 11 passes through two steel plates 20. The end cap 13 is used for limiting. The spacer 21 is attached to the surface of one of the steel plates 20. The explosive member 12 is impacted to explode, after the explosive member 12 explodes, the other end 17 of the column 14 is exploded to form petal shapes, and the riveting effect is achieved. In fig. 5, explosive element 12 changes its form after detonation, and this figure is merely for the purpose of illustrating the location of explosive element 12.
The working principle of the fastener and the explosive fastener component in the invention is the same as that of the bullet shell of the bullet. The explosive piece is contained in the containing hole, the explosive piece can be exploded through striking, one end of the cylinder provided with the shrinkage section is exploded after the explosive piece is exploded, and the end is stuck to a gasket or a connected object after being exploded, so that the riveting effect is realized.
According to the fastener and the explosive fastener component, the accommodating hole is provided with the contraction section, so that the explosive piece can be conveniently accommodated in the contraction section without falling. The shrinkage section is arranged, and air flow generated by explosion of the explosive element is extruded in the shrinkage section, so that the end of the column body of the fastener is more easily cracked. The other end of the column body of the fastener is provided with a groove, so that the other end of the column body of the fastener can be cracked more easily, and the riveting effect can be realized more easily. The gasket is arranged, so that the other end of the column body can be connected more firmly after being fried.
The above is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions or improvements within the spirit of the present invention are intended to be covered by the claims of the present invention.
Claims (10)
1. A fastener, comprising:
an end cap;
the end cap is connected with the cylinder in a non-detachable mode; the cross-sectional dimension of the end cap is greater than the cross-sectional dimension of the cylinder;
the cylinder is provided with a containing hole, the containing hole is provided with at least one shrinkage section, the cross section dimension of the shrinkage section is gradually reduced along the longitudinal direction, and the shrinkage section is used for containing an explosive piece.
2. The fastener of claim 1, wherein the receiving hole has a straight section of the same cross-sectional dimension; the straight line section is connected with the contraction section in sequence.
3. The fastener of claim 1, wherein the receiving holes are longitudinally disposed through holes.
4. The fastener of claim 1, wherein the end cap is disposed at one end of the post; the accommodating hole is provided with a first opening at the end cap and a second opening at the other end of the column body;
the first opening is larger than the second opening.
5. The fastener of claim 1, wherein the other end of the post is provided with a slot extending from the other end in the direction of the end cap.
6. The fastener of claim 1 wherein said plurality of slots is a plurality, said plurality of slots being distributed around said receiving hole.
7. The fastener of claim 1, wherein the end cap is integrally formed with the post, or the post is provided with threads.
8. The fastener of claim 1 wherein said post is provided with a spacer.
9. An explosive fastener assembly comprising the fastener of any one of claims 1 to 8, and an explosive; the explosive piece is accommodated in the contraction section of the accommodating hole.
10. The explosive fastener assembly of claim 9, wherein the explosive element comprises a housing, the housing being filled with a powder; the shell is provided with a primer; when the primer is struck, the explosive piece ignites and ignites gunpowder in the shell and causes explosion, and the shrinkage section of the cylinder is exploded.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211239969.5A CN115614359A (en) | 2022-10-11 | 2022-10-11 | Fastener and explosive fastener assembly |
| CN2022112399695 | 2022-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116517937A true CN116517937A (en) | 2023-08-01 |
Family
ID=84862740
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211239969.5A Pending CN115614359A (en) | 2022-10-11 | 2022-10-11 | Fastener and explosive fastener assembly |
| CN202310378475.3A Pending CN116517937A (en) | 2022-10-11 | 2023-04-07 | Fastener and explosive fastener assembly |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211239969.5A Pending CN115614359A (en) | 2022-10-11 | 2022-10-11 | Fastener and explosive fastener assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN115614359A (en) |
-
2022
- 2022-10-11 CN CN202211239969.5A patent/CN115614359A/en active Pending
-
2023
- 2023-04-07 CN CN202310378475.3A patent/CN116517937A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN115614359A (en) | 2023-01-17 |
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