CN212509148U - Stud convenient for mounting and dismounting parts - Google Patents
Stud convenient for mounting and dismounting parts Download PDFInfo
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- CN212509148U CN212509148U CN201922375877.XU CN201922375877U CN212509148U CN 212509148 U CN212509148 U CN 212509148U CN 201922375877 U CN201922375877 U CN 201922375877U CN 212509148 U CN212509148 U CN 212509148U
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Abstract
The application provides a double-screw bolt convenient to part is dismantled in installation, the double-screw bolt includes first screw thread section 1, part installation section 2, support installation section 3 and second screw thread section 4, wherein: the first thread section 1 and the second thread section 4 are both cylinder structures with threads arranged on the outer sides; the part mounting section 2 is a non-cylindrical body; the first thread section 1 and the part mounting section 2 are in transitional connection through a groove; the bracket mounting section 3 is of a cylinder structure, and the second thread section 4 is in transitional connection with the bracket mounting section 3 through a groove; the maximum outer diameter of the support mounting section 3 is larger than the second thread section 4, the diameter of the inscribed circle of the part mounting section 2 is larger than the diameter of the first thread section 1, and the diameter of the inscribed circle of the part mounting section 2 is larger than the diameter of the support mounting section 3.
Description
Technical Field
The utility model belongs to aircraft structural design field, in particular to double-screw bolt convenient to part is dismantled in installation.
Background
The spanner is fixed and operation space is reserved on the two sides of the bolt or the stud to detach and install the common bolt or the stud used at present, and when the space on one side is narrow or not easy to reach, the difficulty is increased for detaching and installing the bolt or the stud.
Disclosure of Invention
The application provides a double-screw bolt convenient to part is dismantled in installation can effectively shorten the quick-witted part installation dismantlement, installation time.
The application provides a double-screw bolt convenient to part is dismantled in installation, the double-screw bolt includes first screw thread section 1, part installation section 2, support installation section 3 and second screw thread section 4, wherein:
the first thread section 1 and the second thread section 4 are both cylinder structures with threads arranged on the outer sides; the part mounting section 2 is a non-cylindrical body; the first thread section 1 and the part mounting section 2 are in transitional connection through a groove; the bracket mounting section 3 is of a cylinder structure, and the second thread section 4 is in transitional connection with the bracket mounting section 3 through a groove; the maximum outer diameter of the support mounting section 3 is larger than the second thread section 4, the diameter of the inscribed circle of the part mounting section 2 is larger than the diameter of the first thread section 1, and the diameter of the inscribed circle of the part mounting section 2 is larger than the diameter of the support mounting section 3.
Preferably, the component mounting section 2 is a prism.
Preferably, if the bracket mounting section 3 is a cylinder, the diameter of the bracket mounting section 3 is larger than the second thread section 4, and if the bracket mounting section 3 is a prism, the diameter of the inscribed circle of the bracket mounting section 3 is larger than the second thread section 4.
Preferably, the first thread segment 1 and the second thread segment 4 are provided with split pin mounting holes.
Preferably, the lengths of the first thread section 1, the part mounting section 2, the bracket mounting section 3 and the second thread section 4 are respectively set according to the size of matched mounting.
Preferably, the part mounting section 2 is non-cylindrical; the first thread section 1 and the part installation section 2 are in transition connection through a tool withdrawal groove.
Preferably, the second thread section 4 and the bracket mounting section 3 are in transition connection through a tool withdrawal groove.
Preferably, the part mounting section 2 and the bracket mounting section 3 are connected by a fillet transition.
Compared with the prior art, the invention has the following advantages:
1. the double-screw bolt connecting component can be disassembled or assembled without disassembling or assembling the double-screw bolt, and is particularly suitable for the condition that the space on one side of a bracket component is narrow or is not easy to reach and the component is assembled on the other side of the bracket component.
2. When the bracket mounting section 3 is a prism, the rotation of parts can be prevented;
3. when the same part is installed by using a plurality of studs, the support installation section 3 is a cylinder and can prevent the part from rotating.
Drawings
FIG. 1 is a schematic view of a prior art bolt;
FIG. 2 is a schematic view of a stud of the prior art;
FIG. 3 is a schematic view of a stud provided herein;
FIG. 4 is a schematic view of a stud application provided herein;
wherein: 1-a first thread section, 2-a part mounting section, 3-a bracket mounting section, 4-a second thread section, 5-a stud, 6-a first washer, 7-a first nut, 8-a part, 9-a bracket part, 10-a second washer, and 11-a second nut.
Detailed Description
The stud of the invention is composed of a first thread section 1, a second thread section 4, a part mounting section 2 and a bracket mounting section 3, as shown in fig. 3. Part installation section 2 is the non-cylinder, support installation section 3 can be the cylinder, also can be prism (or non-cylinder), first screw thread section 1 passes through the tool withdrawal groove and passes through part installation section 2, second screw thread section 4 passes through the tool withdrawal groove and passes through support installation section 3, 3 diameters of support installation section (support installation section 3 is the cylinder) or inscribe circle diameter (support installation section 3 is the prism) are greater than second screw thread section 4, 2 inscribe circle diameters of part installation section are greater than first screw thread section 1 and support installation section 3, first screw thread section 1, second screw thread section 4 can be beaten split pin mounting hole. The structure of the stud has no special requirement, and the lengths of the stud part mounting section 2, the bracket mounting section 3, the first thread section 1 and the second thread section 4 can be adjusted along with the size of the matched mounting.
The technical scheme of the invention is further illustrated by specific examples.
Example installation the process is shown in figure 2.
The first step is as follows: and (3) penetrating the stud 5 into the support part 9 from the second thread section 4, wherein the penetrating direction of the stud 5 is that the space of the support part 9 is larger or the stud 5 easily reaches one side, the end surface of the stud 5 part installation section 2 is contacted with the support part 9, and then installing the first washer 6 and the first nut 7 on the second thread section 4 of the stud 5, so that the installation of the stud 5 and the support part 9 is finished.
The second step is that: and (3) penetrating the part 8 into the part mounting section 2 from the first thread section 1 of the stud 5, enabling the part 8 to be in contact with the support part 9, and mounting a second washer 10 and a second nut 11 on the thread section 1 of the stud 5, so that the part 8 is mounted.
Claims (7)
1. The utility model provides a double-screw bolt convenient to installation dismantles part, characterized in that, the double-screw bolt includes first screw thread section (1), part installation section (2), support installation section (3) and second screw thread section (4), wherein:
the first thread section (1) and the second thread section (4) are both cylinder structures with threads arranged on the outer sides; the part mounting section (2) is a non-cylinder; the first thread section (1) and the part mounting section (2) are in transitional connection through a groove; the bracket mounting section (3) is of a cylinder structure, and the second thread section (4) is in transitional connection with the bracket mounting section (3) through a groove; the maximum outer diameter of the support mounting section (3) is larger than the second thread section (4), the diameter of the inscribed circle of the part mounting section (2) is larger than the diameter of the first thread section (1), and the diameter of the inscribed circle of the part mounting section (2) is larger than the diameter of the support mounting section (3).
2. The stud as claimed in claim 1, characterized in that the part mounting section (2) is prismatic.
3. The stud as claimed in claim 1, characterized in that the diameter of the carrier mounting section (3) is greater than the second threaded section (4) if the carrier mounting section (3) is cylindrical, and the inscribed circle diameter of the carrier mounting section (3) is greater than the second threaded section (4) if the carrier mounting section (3) is prismatic.
4. The stud as claimed in claim 1, characterized in that the first thread section (1) and the second thread section (4) are each provided with a cotter pin mounting hole.
5. The stud as claimed in claim 1, characterized in that the first thread section (1) and the part-mounting section (2) are connected to one another by a relief.
6. The stud as claimed in claim 1, characterized in that the second thread section (4) and the bracket mounting section (3) are connected by a relief transition.
7. The stud as claimed in claim 1, characterized in that the part-mounting section (2) and the carrier-mounting section (3) are connected by a rounded transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922375877.XU CN212509148U (en) | 2019-12-25 | 2019-12-25 | Stud convenient for mounting and dismounting parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922375877.XU CN212509148U (en) | 2019-12-25 | 2019-12-25 | Stud convenient for mounting and dismounting parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212509148U true CN212509148U (en) | 2021-02-09 |
Family
ID=74386607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922375877.XU Active CN212509148U (en) | 2019-12-25 | 2019-12-25 | Stud convenient for mounting and dismounting parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212509148U (en) |
-
2019
- 2019-12-25 CN CN201922375877.XU patent/CN212509148U/en active Active
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