CN217002612U - Integral type welded nut with plane flange structure - Google Patents
Integral type welded nut with plane flange structure Download PDFInfo
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- CN217002612U CN217002612U CN202220044036.XU CN202220044036U CN217002612U CN 217002612 U CN217002612 U CN 217002612U CN 202220044036 U CN202220044036 U CN 202220044036U CN 217002612 U CN217002612 U CN 217002612U
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Abstract
The utility model relates to the technical field of bolts, in particular to an integrated welding nut with a plane flange structure. An integral type weld nut with plane flange structure, includes the nut, its characterized in that: the nut comprises a nut column, a nut flange and a nut head, wherein an internal thread is arranged on the inner side of the nut column and is connected with one end of the nut flange, the other end of the nut flange is connected with one end of the nut head, and the other end of the nut head is connected with the plane flange structure; the plane flange structure is a disc-shaped structure with a trapezoidal section, the top and the bottom of the plane flange structure are respectively circular planes, and the bottom of the plane flange structure is connected with the top of the nut head. Compare with prior art, provide an integral type weld nut with plane flange structure, improved weld nut's structure, this integral type nut of this kind can increase the stability that contact surface and assurance earth conductor connect when satisfying the ground connection function.
Description
Technical Field
The utility model relates to the technical field of bolts, in particular to an integrated welding nut with a plane flange structure.
Background
At present, along with electric automobile's the rise, electric motor car battery package design is bigger under in order to guarantee the continuation of the journey circumstances as far as possible, accounts for whole car weight big, so battery package shell can adopt aluminium alloy material, and the relevant annex of battery package then wraps the shell body coupling through middleware welding mode and battery, and aluminium welded nut plays the key role as intermediate junction spare. In addition, because the automobile is in a vibration state for a long time during running, the welding is weak or the bolt is loosened and fails easily.
Consequently, design an integral type aluminum alloy welded nut, this integral type nut of this kind can guarantee internal thread hole and bolted connection stability when satisfying welding strength.
Disclosure of Invention
The utility model provides the integrated welded nut with the plane flange structure, aiming at overcoming the defects of the prior art, and the structure of the welded nut is improved.
In order to achieve the above object, an integral type weld nut with plane flange structure is designed, including the nut, its characterized in that: the nut comprises a nut column, a nut flange and a nut head, wherein internal threads are arranged on the inner side of the nut column, the head of the nut column is connected with one end of the nut flange, the other end of the nut flange is connected with one end of the nut head, and the other end of the nut head is connected with the plane flange structure; the plane flange structure is a disc-shaped structure with a trapezoidal section, the top and the bottom of the plane flange structure are respectively circular planes, and the bottom of the plane flange structure is connected with the top of the nut head.
The diameter of the top plane of the plane flange structure is 20% of the diameter of the bottom of the plane flange structure, and the inclination of the plane flange structure is 9 degrees.
The nut flange is of an octagonal structure, and the diameter of the nut flange is larger than that of the nut column.
The plane flange structure, the nut head, the nut flange and the nut column are of an integral structure.
The nut column is of a cylindrical structure.
Compared with the prior art, the utility model provides the integrated welding nut with the plane flange structure, the structure of the welding nut is improved, and the integrated welding nut can increase the contact surface and ensure the connection stability of the grounding lead while meeting the grounding function.
Drawings
Fig. 1 is a schematic view of the nut structure of the present invention.
Fig. 2 is a front view of the nut structure of the present invention.
Fig. 3 is a sectional view of the nut structure of the present invention.
Fig. 4 is a front view of the nut structure of the present invention.
Fig. 5 is a structural schematic diagram of a nut cold heading die.
Fig. 6 is a schematic view of an application scenario of the present invention.
FIG. 7 is a schematic view of the welding process of the present invention.
Referring to fig. 1 to 4, 1 is a nut, 1-1 is a nut post, 1-2 is an internal thread, 1-3 is a nut flange, 1-4 is a nut head, and 1-5 is a plane flange structure.
Referring to fig. 6, 2 is a bolt, 3 is a fastened fitting, and 4 is an aluminum plate.
Referring to fig. 7, 5 is a chuck sleeve, 6 is a welding gun, and 7 is a welding machine.
Detailed Description
The utility model is further illustrated below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the nut 1 comprises a nut post 1-1, a nut flange 1-3 and a nut head 1-4, wherein the inner side of the nut post 1-1 is provided with internal threads 1-2, the head of the nut post 1-1 is connected with one end of the nut flange 1-3, the other end of the nut flange 1-3 is connected with one end of the nut head 1-4, and the other end of the nut head 1-4 is connected with a plane flange structure 1-5; the plane flange structure 1-5 is a disc-shaped structure with a trapezoidal section, the top and the bottom of the plane flange structure 1-5 are circular planes respectively, and the bottom of the plane flange structure 1-5 is connected with the top of the nut head 1-4.
The diameter of the top plane of the planar flange structure 1-5 is 20% of the diameter of the bottom of the planar flange structure 1-5, and the inclination of the planar flange structure 1-5 is 9 °.
The nut flanges 1-3 are of octagonal structures, and the diameters of the nut flanges 1-3 are larger than the diameters of the nut columns 1-1.
The plane flange structure 1-5, the nut head 1-4, the nut flange 1-3 and the nut post 1-1 are of an integral structure.
The nut column 1-1 is of a cylindrical structure.
A preparation method of an integrated welded nut with a plane flange structure comprises the following specific steps:
s1: cold drawing: manufacturing a nut blank from a nut raw material by adopting a cold drawing process;
s2: cold heading: forming the nut blank by a group of cold heading dies in a cold heading manner;
s3: tapping: tapping an internal thread on the cold-heading formed nut semi-finished product;
s4: surface treatment: and carrying out surface treatment on the tapped semi-finished nut product to obtain a finished nut product.
The specific flow of the surface treatment in step S4 is as follows:
s41: degreasing, spraying and cleaning the semi-finished nut in a cleaning tank;
s42: putting the degreased and spray-cleaned nut semi-finished product into a cleaning tank for ultrasonic cleaning treatment, and then carrying out spray water cleaning twice;
s43: drying the nut semi-finished product after spray washing;
s44: placing the dried nut semi-finished product into a vibrating light machine for vibrating light treatment;
s45: putting the vibrated nut semi-finished product into a washing tank for pure water washing;
s46: placing the cleaned nut semi-finished product into a pickling tank for pickling treatment;
s47: putting the pickled nut semi-finished product into a washing tank for pure water washing;
s44: putting the cleaned nut semi-finished product into a titanium conversion tank for titanium conversion treatment;
s45: and (4) putting the nut semi-finished product after titanium conversion into a water washing tank for pure water washing twice, and then drying.
The cold heading die for processing the nut of the utility model is shown in fig. 5.
As shown in fig. 6, a schematic view of a usage scenario of the present invention is that the processed nut 1 is stood on the aluminum plate 4 with its head facing downward, and since the top of the planar flange structure 1-5 of the nut 1 is a plane, and is not a common nut, the head of the nut 1 is a sharp point structure, the nut 1 of the present invention can be stably inverted on the aluminum plate 4, and then the nut 1 is welded to the aluminum plate 4 by using the dc welding machine 7, and as shown in fig. 7, the nut 1 and the aluminum plate 4 are welded and connected. After the welding is finished, the fastened accessory 3 is screwed and connected with the nut 1 by adopting the bolt 2 matched with the internal thread of the nut 1.
Claims (5)
1. An integral type weld nut with plane flange structure which characterized in that: the nut (1) comprises a nut column (1-1), a nut flange (1-3) and a nut head (1-4), wherein the inner side of the nut column (1-1) is provided with internal threads (1-2) and is positioned at one end of the nut flange (1-3) connected with the head of the nut column (1-1), the other end of the nut flange (1-3) is connected with one end of the nut head (1-4), and the other end of the nut head (1-4) is connected with a plane flange structure (1-5); the plane flange structure (1-5) is a disc-shaped structure with a trapezoidal section, the top and the bottom of the plane flange structure (1-5) are respectively a circular plane, and the bottom of the plane flange structure (1-5) is connected with the top of the nut head (1-4).
2. An integral weld nut having a planar flange configuration as defined in claim 1, wherein: the diameter of the top plane of the plane flange structure (1-5) is 20% of the diameter of the bottom of the plane flange structure (1-5), and the inclination of the plane flange structure (1-5) is 9 degrees.
3. An integral weld nut having a planar flange configuration as defined in claim 1, wherein: the nut flanges (1-3) are of octagonal structures, and the diameters of the nut flanges (1-3) are larger than the diameters of the nut columns (1-1).
4. An integral weld nut having a planar flange configuration as defined in claim 1, wherein: the plane flange structure (1-5), the nut head (1-4), the nut flange (1-3) and the nut column (1-1) are of an integral structure.
5. An integral weld nut having a planar flange configuration as defined in claim 1, wherein: the nut column (1-1) is of a cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220044036.XU CN217002612U (en) | 2022-01-10 | 2022-01-10 | Integral type welded nut with plane flange structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220044036.XU CN217002612U (en) | 2022-01-10 | 2022-01-10 | Integral type welded nut with plane flange structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217002612U true CN217002612U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220044036.XU Active CN217002612U (en) | 2022-01-10 | 2022-01-10 | Integral type welded nut with plane flange structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN217002612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233737A (en) * | 2022-01-10 | 2022-03-25 | 日泰（上海）汽车标准件有限公司 | Integrated welded nut and preparation method thereof |
-
2022
- 2022-01-10 CN CN202220044036.XU patent/CN217002612U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233737A (en) * | 2022-01-10 | 2022-03-25 | 日泰（上海）汽车标准件有限公司 | Integrated welded nut and preparation method thereof |
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