CN219655057U - Fastening bolt - Google Patents
Fastening bolt Download PDFInfo
- Publication number
- CN219655057U CN219655057U CN202321225883.7U CN202321225883U CN219655057U CN 219655057 U CN219655057 U CN 219655057U CN 202321225883 U CN202321225883 U CN 202321225883U CN 219655057 U CN219655057 U CN 219655057U
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- CN
- China
- Prior art keywords
- shaft section
- sheet metal
- metal part
- fastening bolt
- shaft
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- 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.)
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Links
- 239000002184 metal Substances 0.000 claims abstract description 59
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000009434 installation Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 4
- 239000003973 paint Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The utility model discloses a fastening bolt, which comprises a first shaft section, a transitional second shaft section, a third shaft section and a fourth shaft section, wherein the first shaft section, the transitional second shaft section, the third shaft section and the fourth shaft section are axially and sequentially arranged and connected in a spiral manner; the first shaft section is fixedly connected in a threaded connection mode, the third shaft section is connected and supported on the bottom surface of the sheet metal part, the fourth shaft section is deformed and pressed on the upper surface of the sheet metal part under axial pressure, and the deformed fourth shaft section and the third shaft section jointly clamp the sheet metal part. The fastening bolt can be conveniently connected with the sheet metal part, a gap is avoided from being generated after the upper part of the fastening bolt is connected with the upper surface of the sheet metal part, the centering of the fastening bolt after the fastening bolt is connected with the sheet metal part can be ensured, the production efficiency is improved, and the production cost is reduced.
Description
Technical Field
The utility model relates to the technical field of fastener connection, in particular to a fastening bolt.
Background
In order to realize pre-installation of the fastening bolts in the production of the sheet metal part of the air conditioner, corresponding mounting holes are punched on the surface of the sheet metal part, the lower parts of the fastening bolts penetrate through the mounting holes, and after the top disc of the fastening bolts is contacted with the upper surface of the sheet metal part, the top disc is required to be completely fastened and connected with the sheet metal part in a welding mode.
In order to facilitate positioning and prevent sliding, a hemispherical bump is arranged on the bottom surface of the top disc so as to tightly contact and connect the upper surface of the sheet metal part, so that in a finished product after actual installation, a certain gap still exists between the bottom surface of the top disc and the upper surface of the sheet metal part, and in order to prevent water and the like from entering the gap, the connection relationship between the top disc and the sheet metal part, which is full-welded, needs to be ensured, or effective filling is required in the gap, or paint spraying is required between the top disc and the sheet metal part, and the production processes can increase working hours and corresponding production cost, otherwise, the gap is easy to enter moisture, or the connection effectiveness of the top disc and the sheet metal part cannot be ensured. In addition, the top disc and the sheet metal part are directly placed and then connected by welding, so that manufacturing errors such as offset of the connection relation after welding and the like are easy to occur because the placement position of the fastening bolt is relatively inaccurate.
Disclosure of Invention
The utility model mainly aims to provide a fastening bolt which is simple in structure and convenient to connect, and aims to improve production efficiency and reduce production cost.
In order to achieve the above purpose, the fastening bolt provided by the utility model comprises a first shaft section, a transitional second shaft section, a third shaft section and a fourth shaft section, wherein the first shaft section, the transitional second shaft section, the third shaft section and the fourth shaft section are axially and sequentially arranged and can be connected in a spiral manner; the first shaft section is fixedly connected in a threaded connection mode, the third shaft section is connected and supported on the bottom surface of the sheet metal part, the fourth shaft section is deformed and pressed on the upper surface of the sheet metal part under axial pressure, and the deformed fourth shaft section and the third shaft section jointly clamp the sheet metal part.
Preferably, the first shaft section is an externally threaded shaft section.
Preferably, the second shaft section is a polished rod transition shaft section, and the outer diameter of the second shaft section is the same as the outer diameter of the first shaft section.
Preferably, the third shaft section is of a plate body structure, a plurality of positioning convex blocks are circumferentially arranged on the upper surface of the third shaft section relative to the central shaft of the fastening bolt, and the positioning convex blocks are supported on the bottom surface of the sheet metal part.
Preferably, the third shaft section is a circular plate, the positioning lug is a hemispherical lug, and the top of the positioning lug is at least partially embedded into the bottom surface of the sheet metal part.
Preferably, the fourth shaft section is of a circular ring structure, the bottom of the fourth shaft section is fixedly connected with the upper surface of the third shaft section, an opening is formed in the top of the fourth shaft section, and the upper structure of the fourth shaft section is pressed to radially deform and at least partially press the upper surface of the sheet metal part.
Preferably, the upper inner periphery of the fourth shaft section is provided with a chamfer.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the technical scheme, the first shaft section, the transitional second shaft section, the third shaft section and the fourth shaft section which are used for positioning and deforming connection are sequentially arranged in the axial direction, wherein the first shaft section is fixedly connected in a threaded connection mode, the third shaft section is connected and supported on the bottom surface of the sheet metal part, the fourth shaft section can deform and be pressed on the upper surface of the sheet metal part due to axial pressure, and the deformed fourth shaft section and the deformed third shaft section jointly clamp the sheet metal part. Therefore, the fastening bolt can be conveniently connected with the sheet metal part, a gap is avoided after the upper part of the fastening bolt is connected with the upper surface of the sheet metal part, the centering of the fastening bolt after the fastening bolt is connected with the sheet metal part can be ensured, the production efficiency is improved, and the production cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a fastening bolt according to the present utility model;
FIG. 2 is a cross-sectional view of a fastening bolt of the present utility model;
fig. 3 is a schematic cross-sectional structure of the fastening bolt and the sheet metal part after the fastening bolt and the sheet metal part are fixedly connected.
Reference numerals illustrate:
1. a first shaft section; 2. a second shaft section; 3. a third shaft section; 31. positioning the protruding blocks; 4. a fourth shaft section; 41. an opening; 42. chamfering; 5. a sheet metal part;
the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a fastening bolt.
Referring to fig. 1 to 3, a fastening bolt according to an embodiment of the present utility model includes a first shaft section 1, a transitional second shaft section 2, a third shaft section 3 for positioning, and a fourth shaft section 4 for deforming connection, which are disposed in order in an axial direction; the first shaft section 1 of this embodiment may be fixedly connected with other components (such as other fastening nuts, etc.) through a threaded connection manner, the third shaft section 3 is connected to and supported on the bottom surface of the sheet metal part 5, the fourth shaft section 4 may be partially deformed and pressed on the upper surface of the sheet metal part 5 after receiving an axial pressure, and the deformed fourth shaft section 4 and the third shaft section 3 jointly clamp the sheet metal part 5.
Preferably, in order to facilitate the connection of the first shaft section 1, the first shaft section 1 of the present embodiment is an externally threaded shaft section, so that the first shaft section 1 can be connected with other components by a threaded connection manner to achieve the connection of the fastening bolt.
In addition, the second shaft section 2 of the embodiment is a polished rod transition shaft section, so that the second shaft section 2 can be designed into different shaft section lengths according to different installation environments, thereby improving the practical installation convenience and facilitating the installation. The outer diameter of the second shaft section 2 of the embodiment is the same as that of the first shaft section 1, so that external threads can be formed on the outer peripheral surface of the first shaft section 1 greatly and conveniently, and the external threads on the outer peripheral surface of the first shaft section 1 can be positioned conveniently in the manufacturing process.
In order to conveniently realize the positioning of the third shaft section 3 and the sheet metal part 5, the third shaft section 3 of the embodiment is of a plate body structure, so that in the use process of the fastening bolt of the embodiment, firstly, a mounting hole needs to be formed in the surface of the sheet metal part 5, the upper part of the fastening bolt penetrates through the mounting hole from bottom to top, and the third shaft section 3 of the plate body structure is supported on the bottom surface of the sheet metal part 5 to realize preliminary positioning. Preferably, in order to avoid displacement after connection between the third shaft section 3 and the sheet metal part 5, the upper surface of the third shaft section 3 of the embodiment is circumferentially provided with a plurality of positioning protrusions 31 about the central axis of the fastening bolt, and the positioning protrusions 31 are supported on the bottom surface of the sheet metal part 5. More preferably, the third shaft section 3 of the present embodiment is a circular plate, and the positioning protruding block 31 is a hemispherical protruding block, and the top of the positioning protruding block 31 is at least partially and conveniently embedded into the bottom surface of the sheet metal part 5 to prevent the two from rotating.
In addition, the fourth shaft section 4 of the embodiment is of a ring structure, the bottom of the fourth shaft section 4 is fixedly connected with the upper surface of the third shaft section 3, and the top of the fourth shaft section 4 is provided with an opening 41, so that after the upper structure of the fourth shaft section 4 is pressed, radial deformation can occur, and the deformation structure can be at least partially pressed on the upper surface of the sheet metal part 5.
Preferably, in order to conveniently press the upper portion of the fourth shaft section 4, the inner peripheral edge of the upper portion of the fourth shaft section 4 of the present embodiment is provided with a chamfer 42 to conveniently achieve concentration of the applied force.
Referring to fig. 1 to 3, the installation and operation principle of the fastening bolt of the present embodiment will be further described below:
the fastening bolt of this embodiment is a fastening piece of a sheet metal part pre-installed in an air conditioner, so that a corresponding positioning hole needs to be pre-formed on the surface of the sheet metal part 5, and the inner diameter of the positioning hole is slightly larger than the outer diameter of the fourth shaft section 4, in the installation process, the fourth shaft section 4 needs to be inserted into the positioning hole from top to bottom, the top surface of the third shaft section 3 at this time is supported on the bottom surface of the sheet metal part 5, and the positioning protruding block 31 on the upper surface of the third shaft section 3 is supported on the bottom surface of the sheet metal part 5.
After the upper portion of the fourth shaft section 4 is exposed above the sheet metal part 5, the third shaft section 3 is axially supported, and the fourth shaft section 4 is axially pressed downwards, so that the upper portion of the fourth shaft section 4 is pressed and gradually deformed downwards, and a part of the deformed structure of the fourth shaft section 4 is pressed on the upper surface of the sheet metal part 5, and meanwhile, the deformed structures of the third shaft section 3 and the fourth shaft section 4 clamp the sheet metal part 5 together. In addition, the positioning protruding block 31 disposed on the upper surface of the third shaft section 3 may be partially embedded into the bottom surface of the sheet metal part 5, so as to achieve the effect of preventing rotation.
Because the fastening bolt of this embodiment only clamps sheet metal component 5 jointly through third axle section 3 and fourth axle section 4 after the deformation, consequently need not adopt prior art's welding to be connected fastening bolt and sheet metal component, only need make fourth axle section 4 can compress tightly and warp uniformly, can make in being difficult to produce the clearance between fourth axle section 4 and sheet metal component 5 and moisture also be difficult to get into the clearance between both, also need not carry out extra paint spraying treatment, can conveniently, swiftly realize being connected with sheet metal component 5 relative prior art, simultaneously, still can reduce manufacturing cost relative to prior art.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The fastening bolt is characterized by comprising a first shaft section, a transitional second shaft section, a third shaft section and a fourth shaft section, wherein the first shaft section, the transitional second shaft section, the third shaft section and the fourth shaft section are arranged in sequence in the axial direction; the first shaft section is fixedly connected in a threaded connection mode, the third shaft section is connected and supported on the bottom surface of the sheet metal part, the fourth shaft section is deformed and pressed on the upper surface of the sheet metal part under axial pressure, and the deformed fourth shaft section and the third shaft section jointly clamp the sheet metal part.
2. The fastening bolt according to claim 1, wherein the first shaft section is an externally threaded shaft section.
3. The fastening bolt according to claim 2, wherein the second shaft section is a polished rod transition shaft section, and the outer diameter of the second shaft section is the same as the outer diameter of the first shaft section.
4. The fastening bolt according to claim 1, wherein the third shaft section is of a plate body structure, and a plurality of positioning protruding blocks are circumferentially arranged on the upper surface of the third shaft section relative to the central shaft of the fastening bolt, and the positioning protruding blocks are supported on the bottom surface of the sheet metal part.
5. The fastening bolt according to claim 4, wherein the third shaft section is a circular plate, the positioning lug is a hemispherical lug, and the top of the positioning lug is at least partially embedded into the bottom surface of the sheet metal part.
6. The fastening bolt according to claim 1, wherein the fourth shaft section is of a circular ring structure, the bottom of the fourth shaft section is fixedly connected with the upper surface of the third shaft section, an opening is formed in the top of the fourth shaft section, and the upper structure of the fourth shaft section is pressed to be radially deformed and at least partially pressed on the upper surface of the sheet metal part.
7. The fastening bolt according to claim 6, wherein the fourth shaft section upper inner peripheral edge is provided with a chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321225883.7U CN219655057U (en) | 2023-05-20 | 2023-05-20 | Fastening bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321225883.7U CN219655057U (en) | 2023-05-20 | 2023-05-20 | Fastening bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655057U true CN219655057U (en) | 2023-09-08 |
Family
ID=87854541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321225883.7U Active CN219655057U (en) | 2023-05-20 | 2023-05-20 | Fastening bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655057U (en) |
-
2023
- 2023-05-20 CN CN202321225883.7U patent/CN219655057U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A type of fastening bolt Effective date of registration: 20231205 Granted publication date: 20230908 Pledgee: Guangdong Shunde Rural Commercial Bank Co.,Ltd. Chencun sub branch Pledgor: FOSHAN SHUNDE ZHICHUANG XIANGHONG INDUSTRIAL CO.,LTD. Registration number: Y2023980069279 |