CN210889667U - Nut for fastening and connecting electronic product - Google Patents
Nut for fastening and connecting electronic product Download PDFInfo
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- CN210889667U CN210889667U CN201922086160.3U CN201922086160U CN210889667U CN 210889667 U CN210889667 U CN 210889667U CN 201922086160 U CN201922086160 U CN 201922086160U CN 210889667 U CN210889667 U CN 210889667U
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- nut
- helical tooth
- electronic product
- outer peripheral
- boss
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Abstract
The utility model discloses a nut for electronic product fastening connection, including the nut main part, its inside screw hole that has a perfect understanding, the periphery of the one end of nut main part outwards extends and forms the first skewed tooth portion of round and round second skewed tooth portion, form the first recess of round between first skewed tooth portion and the second skewed tooth portion, skewed tooth of first skewed tooth portion and the skewed tooth of second skewed tooth portion constitute "people" font tooth, one side at first skewed tooth portion place of definition is last, the lower part of the outer peripheral face of second skewed tooth portion forms a gradual change section, the one end of gradual change section is the lower part of second skewed tooth, and the other end is the outer peripheral face of nut main part, the inclination of gradual change section, the lower extreme of nut main part forms a boss. The utility model discloses an at two oblique tooth portions of outer peripheral face design of nut body, recess and boss etc. can improve the nut and bury the drawing force and the torsion behind the plastic casing of electronic product, the cohesion of reinforcing nut and plastic casing for the nut is difficult for droing.
Description
Technical Field
The utility model relates to the field of electronic technology, especially, relate to a nut for fastening connection.
Background
One of the fasteners commonly used in component upgrading of electronic products such as mobile phones or notebooks is a nut, wherein a common fastener is a hot-melt nut, and as the name suggests, the nut is embedded in plastic of the electronic product, such as the notebook, in a hot-melt manner; that is, the hot-melt nut is used by embedding or pressing the hot-melt nut into a heated mounting hole to realize interference fit, and generally, special glue (of course, the outer edge surface of the nut has texture and other structures which increase friction) is used, and then other parts are connected to the nut or the screw rod to realize the requirement of special connection.
When the existing nut for assembling the notebook computer is used, the nut is usually fixed on a notebook computer plastic shell and a notebook computer internal stamping part by adopting methods such as hot melting, hot pressing, rivet pressing, ultrasonic melting and the like, and then other elements are fixed on the stamping part and the notebook computer shell is fixed on the notebook computer through screwing of a bolt and the nut, so that after the notebook computer is used for a long time, the nut can fall off from the notebook computer plastic shell and the notebook computer internal stamping part due to long-time vibration.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a nut for electronic product fastening connection, through two skewed tooth portion of outer peripheral face design at the nut body, recess and boss etc. can improve the drawing force and the torsion behind the plastic casing that the nut burys electronic product, the cohesion of reinforcing nut and plastic casing for the nut is difficult for droing.
In order to solve the technical problem, the utility model discloses a technical scheme be: the nut for fastening and connecting the electronic product comprises a nut body, wherein a through threaded hole is formed in the nut body, a circle of first inclined tooth part and a circle of second inclined tooth part extend outwards from the outer periphery of one end of the nut body, the height of the first inclined tooth part is 0.5 +/-0.05 mm, the height of the second inclined tooth part is also 0.5 +/-0.05 mm, a circle of first groove is formed between the first inclined tooth part and the second inclined tooth part, inclined teeth of the first inclined tooth part and inclined teeth of the second inclined tooth part form herringbone teeth, the height of the first groove is 0.300-0.305mm, and the depth of the first groove is 0.475 +/-0.02 mm;
defining one side of the first helical tooth part as an upper part, forming a gradual change section at the lower part of the peripheral surface of the second helical tooth part, wherein one end of the gradual change section is the lower part of the second helical tooth, the other end of the gradual change section is the peripheral surface of the nut main body, the inclination angle of the gradual change section is 45 +/-0.1 degrees, and the lower end of the nut main body forms a boss; the height of the boss is 0.3 +/-0.02 mm, and the width of the boss protruding out of the peripheral surface of the nut body is 0.24-0.26 mm;
a second groove is formed between the gradual change section and the boss;
the outer peripheral surface of the nut can be connected with the electronic product in a hot melting mode.
In order to solve the technical problem, the utility model discloses a further technical scheme is: the base material of the nut is a brass nut of a C2680R model, the surface of the brass nut is sequentially plated with a copper layer and a gold layer, the thickness of the copper layer is 0.1-1.0 mu m, and the thickness of the gold layer is 2-4 mu m.
Further, the width of the first groove is 0.300mm, and the depth of the first groove is 0.475 mm.
Further, the first helical tooth portion has 10 helical teeth, and the second helical tooth portion is also provided with 10 helical teeth.
Further, the height of the boss is 0.3mm, and the width of the boss protruding out of the outer peripheral surface of the nut body is 0.25 mm.
Further, the height of the nut is 2.5 +/-0.05 mm.
Further, the outer peripheral surfaces of the first concave groove and the second concave groove are uneven concave-convex surfaces formed by concave parts and convex parts.
The utility model has the advantages that:
the utility model discloses a nut main part, its inside screw hole that has a perfect understanding, the periphery of the one end of nut main part outwards extends and forms round first skewed tooth portion and round second skewed tooth portion, form first recess between the two, skewed tooth of first skewed tooth portion and skewed tooth of second skewed tooth portion constitute "people" font tooth, one side that definition first skewed tooth portion place is last, the lower part of the outer peripheral face of second skewed tooth portion forms a gradual change section, the one end of gradual change section is the lower part of second skewed tooth, and the other end is the outer peripheral face of nut main part, the inclination of gradual change section, the lower extreme of nut main part forms a boss, form the second recess between gradual change section and the boss; when the nut is assembled, the nut main body is injected into the plastic shell, and the threaded hole of the nut main body is connected with other parts through a screw rod and the like;
furthermore, the base material of the nut of the utility model is a brass nut of model C2680R, and the surface of the brass nut is plated with a copper layer and a gold layer in sequence, the thickness of the copper layer is 0.1-1.0 μm, the thickness of the gold layer is 2-4 μm, namely the plating layer comprises two layers, the bonding force between the outer plating layer and the matrix can be improved through the plating layer of the inner layer, and the product is ensured to meet the requirements of connection function and electrical performance;
furthermore, the utility model discloses an outer peripheral face of first recess and second recess can be for the unsmooth corrugated surface that is formed by concave part and convex part, and when this structure made the hot melt, glue can get into concave part etc. further increases drawing force and torsion behind the nut imbedded the plastic shell, improves the cohesion of nut and plastic shell, avoids the nut to drop.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
FIG. 1 is one of the structural schematics of the present invention;
FIG. 2 is a second schematic configuration of the present invention;
fig. 3 is a top view of the present invention;
the nut comprises a second groove 1, a first helical tooth part 2, helical teeth 21 of the first helical tooth part, a second helical tooth part 3, helical teeth 31 of the second helical tooth part, a first groove 4, a gradual change section 5, a boss 6, a height H1 of the first helical tooth part, a height H2 of the second helical tooth part, a height H3 of the first groove, a depth D1 of the first groove, an inclination angle α of the gradual change section, a height H4 of the boss, a width D2 of the outer peripheral surface of a boss protruding nut body and a height H of the nut.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and the advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure of the present invention. The present invention can also be implemented in other different ways, i.e. different modifications and changes can be made without departing from the scope of the present invention.
Example (b): a nut for fastening and connecting electronic products, as shown in fig. 1 and 2, the nut includes a nut body, a through threaded hole is provided in the nut body (in this embodiment, the specification of the threaded hole is M2.0 × 0.4-6H, but not limited thereto), an outer circumference of one end of the nut body extends outward to form a circle of first helical teeth 2 and a circle of second helical teeth 3, a height H1 of the first helical teeth is 0.5 ± 0.05mm, a height H2 of the second helical teeth is also 0.5 ± 0.05mm, a circle of first grooves 4 is formed between the first helical teeth and the second helical teeth, helical teeth of the first helical teeth and helical teeth of the second helical teeth form a herringbone tooth, a height H3 of the first grooves is 0.300-0.305mm, and a depth D1 of the first grooves is 0.475 ± 0.02 mm;
defining one side of the first helical tooth part as an upper part, forming a gradual change section 5 at the lower part of the outer peripheral surface of the second helical tooth part, wherein one end of the gradual change section is the lower part of the second helical tooth, the other end of the gradual change section is the outer peripheral surface of the nut main body, the inclination angle α of the gradual change section is 45 +/-0.1 degrees, and the lower end of the nut main body forms a boss 6, the height H4 of the boss is 0.3 +/-0.02 mm, and the width D2 of the boss protruding out of the outer peripheral surface of the nut main body is 0.24-0.26 mm;
a second groove 1 is formed between the gradual change section and the boss;
the outer peripheral surface of the nut can be connected with the electronic product in a hot melting mode.
The base material of the nut is a brass nut of a C2680R model, the surface of the brass nut is sequentially plated with a copper layer and a gold layer, the thickness of the copper layer is 0.1-1.0 mu m, and the thickness of the gold layer is 2-4 mu m.
In this embodiment, the width of the first groove is 0.300mm, and the depth of the first groove is 0.475mm, but not limited thereto.
The first helical tooth portion has 10 helical teeth, and the second helical tooth portion is also provided with 10 helical teeth, but is not limited thereto.
In this embodiment, the height of the boss is 0.3mm, and the width of the boss protruding from the outer circumferential surface of the nut body is 0.25mm, but the invention is not limited thereto.
The height H of the nut is 2.5 +/-0.05 mm.
The outer peripheral surfaces of the first concave groove and the second concave groove are uneven concave-convex surfaces (not shown) formed by concave parts and convex parts. When this structure makes the hot melt, glue can get into the concave part etc. further increases the drawing force and the torsion behind the nut buries the plastic shell, improves the cohesion of nut and plastic shell, avoids the nut to drop.
The utility model discloses a theory of operation and working process as follows:
when the nut is assembled, the nut main body is injected into the plastic shell, and the threaded hole of the nut main body is connected with other parts through a screw rod and the like;
the base material of the nut is a brass nut of C2680R model, the surface of the brass nut is sequentially plated with a copper layer and a gold layer, the thickness of the copper layer is 0.1-1.0 mu m, the thickness of the gold layer is 2-4 mu m, namely the plating layer comprises two layers, the bonding force between the outer plating layer and the matrix can be improved through the inner plating layer, and the product can meet the requirements of connection function and electrical performance;
the outer peripheral face of first recess and second recess can be for the unevenness's concavo-convex face that is formed by concave part and convex part, and this structure makes during the hot melt, glues and can get into concave part etc. further increases drawing power and torsion behind the nut buries the plastic shell, improves the cohesion of nut and plastic shell, avoids the nut to drop.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same principle as the protection scope of the present invention.
Claims (7)
1. The utility model provides a nut for electronic product fastening connection which characterized in that: the nut comprises a nut body, a through threaded hole is formed in the nut body, a circle of first helical tooth parts (2) and a circle of second helical tooth parts (3) extend outwards from the outer periphery of one end of the nut body, the height (H1) of the first helical tooth parts is 0.5 +/-0.05 mm, the height (H2) of the second helical tooth parts is also 0.5 +/-0.05 mm, a circle of first grooves (4) are formed between the first helical tooth parts and the second helical tooth parts, helical teeth (21) of the first helical tooth parts and helical teeth (31) of the second helical tooth parts form herringbone teeth, the height (H3) of the first grooves is 0.300-0.305mm, and the depth (D1) of the first grooves is 0.475 +/-0.02 mm;
defining one side of the first helical tooth part as an upper part, forming a gradual change section (5) at the lower part of the outer peripheral surface of the second helical tooth part, wherein one end of the gradual change section is the lower part of the second helical tooth, the other end of the gradual change section is the outer peripheral surface of the nut main body, the inclination angle (α) of the gradual change section is 45 +/-0.1 degrees, the lower end of the nut main body is provided with a boss (6), the height (H4) of the boss is 0.3 +/-0.02 mm, and the width (D2) of the boss protruding out of the outer peripheral surface of the nut main body is 0.24-0.26 mm;
a second groove (1) is formed between the gradual change section and the boss;
the outer peripheral surface of the nut can be connected with the electronic product in a hot melting mode.
2. The nut for fastening and connecting an electronic product according to claim 1, wherein: the base material of the nut is a brass nut of a C2680R model, the surface of the brass nut is sequentially plated with a copper layer and a gold layer, the thickness of the copper layer is 0.1-1.0 mu m, and the thickness of the gold layer is 2-4 mu m.
3. The nut for fastening and connecting an electronic product according to claim 1, wherein: the width of the first groove is 0.300mm, and the depth of the first groove is 0.475 mm.
4. The nut for fastening and connecting an electronic product according to claim 1, wherein: the first helical tooth portion is provided with 10 helical teeth, and the second helical tooth portion is also provided with 10 helical teeth.
5. The nut for fastening and connecting an electronic product according to claim 1, wherein: the height of boss is 0.3mm, the width that the boss projects the outer peripheral face of nut body is 0.25 mm.
6. The nut for fastening and connecting an electronic product according to claim 1, wherein: the height (H) of the nut is 2.5 +/-0.05 mm.
7. The nut for fastening and connecting an electronic product according to claim 1, wherein: the outer peripheral surfaces of the first groove and the second groove are uneven concave-convex surfaces formed by concave parts and convex parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922086160.3U CN210889667U (en) | 2019-11-28 | 2019-11-28 | Nut for fastening and connecting electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922086160.3U CN210889667U (en) | 2019-11-28 | 2019-11-28 | Nut for fastening and connecting electronic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210889667U true CN210889667U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922086160.3U Active CN210889667U (en) | 2019-11-28 | 2019-11-28 | Nut for fastening and connecting electronic product |
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| CN (1) | CN210889667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519962A (en) * | 2020-12-16 | 2021-03-19 | 安庆船用电器有限责任公司 | Marine cargo transportation device with high stability |
| CN114483731A (en) * | 2022-01-10 | 2022-05-13 | 宾科精密部件(中国)有限公司 | Forming method of spin-riveting fastening assembly |
-
2019
- 2019-11-28 CN CN201922086160.3U patent/CN210889667U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519962A (en) * | 2020-12-16 | 2021-03-19 | 安庆船用电器有限责任公司 | Marine cargo transportation device with high stability |
| CN114483731A (en) * | 2022-01-10 | 2022-05-13 | 宾科精密部件(中国)有限公司 | Forming method of spin-riveting fastening assembly |
| CN114483731B (en) * | 2022-01-10 | 2024-03-22 | 宾科精密部件(中国)有限公司 | Forming method of spin riveting fastening assembly |
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