CN210739090U - Embedded metal nut of leak protection material - Google Patents
Embedded metal nut of leak protection material Download PDFInfo
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- CN210739090U CN210739090U CN201921742136.4U CN201921742136U CN210739090U CN 210739090 U CN210739090 U CN 210739090U CN 201921742136 U CN201921742136 U CN 201921742136U CN 210739090 U CN210739090 U CN 210739090U
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- cylindrical body
- embedded metal
- embedded
- metal nut
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Abstract
The utility model relates to the field of machinary, concretely relates to embedded nut. An embedded metal nut capable of preventing material leakage comprises an embedded nut, wherein the embedded nut comprises a cylindrical body with a circular cross section, a threaded hole is formed in the middle of the cylindrical body, and a first internal thread is formed in the inner wall of the threaded hole; the front part of the columnar body is provided with an annular body with a circular cross section, the outer diameter of the annular body is the same as the diameter of the columnar body, and the inner diameter of the annular body is gradually reduced from front to back. The utility model discloses a this design provides an embedded metal nut of leak protection material, and simple structure, use are convenient, and the smooth unthreaded of inner wall of the ring bodies in this design can with the mould core tight fit that uses when making the nut, avoided the production material to get into the screw thread after being extruded, and then remove the production processes of secondary tap from, reduced manufacturing cost, reduced the rejection rate.
Description
Technical Field
The utility model relates to the field of machinary, specifically, relate to embedded nut.
Background
At present, the international or non-standard nut insert has the problem of thread feeding in the process of mould pressing or injection pressing, so that production materials such as resin, plastics, bakelite and the like need to be subjected to secondary tapping in the process of injecting the production materials into threads, production procedures are increased, production cost is improved, tapping sliding teeth are easy to generate, nuts are scrapped, and the rejection rate is increased.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an embedded metal nut of leak protection material to solve above-mentioned at least one technical problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the embedded metal nut capable of preventing material leakage comprises an embedded nut and is characterized in that the embedded nut comprises a cylindrical body with a circular cross section, a threaded hole is formed in the middle of the cylindrical body, and a first internal thread is formed in the inner wall of the threaded hole;
the front part of the columnar body is provided with an annular body with a circular ring-shaped cross section, the outer diameter of the annular body is the same as the diameter of the columnar body, and the inner diameter of the annular body is gradually reduced from front to back.
The length of the annular body is between 0.2mm and 5 mm.
The columnar body and the annular body are of an integrated structure.
The cylindrical body and the annular body are both made of brass.
The outer surface of the columnar body is provided with at least three strip-shaped bulges which are arranged at equal intervals, the length directions of the at least three strip-shaped bulges are the same as the length direction of the columnar body, the front parts of the at least three strip-shaped bulges are arranged on the outer surface of the annular body, and the rear parts of the at least three strip-shaped bulges are arranged on the columnar body.
The rear part of the columnar body is provided with a reinforcing cover, the cross section of the reinforcing cover is circular, and the diameter of the reinforcing cover is gradually reduced from front to back.
And the rear side surface of the columnar body is provided with a mounting hole for mounting the reinforcing cover, and the mounting hole is communicated with the threaded hole. The reinforcing cover is characterized in that a columnar bulge used for being inserted into the mounting hole is arranged on the front side face of the reinforcing cover, an annular bulge is arranged on the surface of the columnar bulge, the cross section of the annular bulge is semicircular, and an annular groove used for being clamped into the annular bulge is formed in the inner wall of the mounting hole. Or, a columnar bulge used for being inserted into the mounting hole is arranged on the front side face of the reinforcing cover, a second internal thread is arranged on the inner wall of the mounting hole, and a first external thread matched with the second internal thread is arranged on the surface of the columnar bulge.
The utility model discloses a this design provides an embedded metal nut of leak protection material, and simple structure, use are convenient, and the smooth unthreaded of inner wall of the ring bodies in this design can with the mould core tight fit that uses when making the nut, avoided the production material to get into the screw thread after being extruded, and then remove the production processes of secondary tap from, reduced manufacturing cost, reduced the rejection rate.
Drawings
FIG. 1 is a schematic view of a part of the structure of the present invention;
fig. 2 is a schematic cross-sectional view of a part of the structure of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1-2, an anti-leakage embedded metal nut comprises an embedded nut, wherein the embedded nut comprises a cylindrical body 1 with a circular cross section, a threaded hole is formed in the middle of the cylindrical body, and a first internal thread is formed on the inner wall of the threaded hole; the front part of the columnar body is provided with an annular body 2 with a circular ring-shaped cross section, the outer diameter of the annular body is the same as the diameter of the columnar body, and the inner diameter of the annular body is gradually reduced from front to back. The length of the annular body is between 0.2mm and 5 mm. The utility model discloses a this design provides an embedded metal nut of leak protection material, simple structure, it is convenient to use, the smooth unthreaded of inner wall of the ring bodies in this design, can with the 5 tight-fittings of mould core that use when making the nut, be equipped with the slope section on the mould core, the inner wall of ring bodies can laminating slope section, has avoided the production material to get into the screw thread after being extruded, and then has removed the production processes of secondary screw tap from, has reduced manufacturing cost, has reduced the rejection rate.
The columnar body and the annular body adopt a unified structure. The cylindrical body and the annular body are both made of brass. The integrated structure of the cylindrical body and the annular body ensures the structural strength of the equipment and prolongs the service life of the equipment.
At least three strip-shaped bulges 3 which are arranged at equal intervals are arranged on the outer surface of the columnar body, the length direction of the at least three strip-shaped bulges is the same as that of the columnar body, the front parts of the at least three strip-shaped bulges are arranged on the outer surface of the annular body, and the rear parts of the at least three strip-shaped bulges are arranged on the columnar body. The strip-shaped bulges on the outer surface of the cylindrical body play a role of reinforcing ribs, the structural strength of the cylindrical body is increased, meanwhile, the connection strength of the cylindrical body and the annular body is increased, and when the nut is used as an insert to be embedded and installed, the strip-shaped bulges increase the friction force of the outer surface of the cylindrical body, so that the nut is firmer after being embedded and installed; the length direction of the strip-shaped bulges is the same as that of the columnar body, and the embedded installation of the nut is facilitated.
The rear part of the columnar body is provided with a reinforcing cover 4, the cross section of the reinforcing cover is circular, and the diameter of the reinforcing cover is gradually reduced from front to back. The reinforcing cover is made of metal. The structural strength of the rear part of the cylindrical body is increased, the diameter of the reinforcing cover is gradually reduced from front to back, and the nut is conveniently embedded and installed.
The rear side surface of the columnar body is provided with a mounting hole for mounting the reinforcing cover, and the mounting hole is communicated with the threaded hole. The front side surface of the reinforcing cover is provided with a columnar bulge used for being inserted into the mounting hole, the surface of the columnar bulge is provided with an annular bulge, the cross section of the annular bulge is semicircular, and the inner wall of the mounting hole is provided with an annular groove used for being clamped into the annular bulge. Or a columnar bulge used for being inserted into the mounting hole is arranged on the front side face of the reinforcing cover, a second internal thread is arranged on the inner wall of the mounting hole, and a first external thread matched with the second internal thread is arranged on the surface of the columnar bulge. Furthermore, the reinforcing cover can be detachably connected with the mounting hole, so that impurity particles generated by film pressure in the threaded hole can be conveniently discharged through the mounting hole, and the production of equipment is facilitated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The embedded metal nut capable of preventing material leakage comprises an embedded nut and is characterized in that the embedded nut comprises a cylindrical body with a circular cross section, a threaded hole is formed in the middle of the cylindrical body, and a first internal thread is formed in the inner wall of the threaded hole;
the front part of the columnar body is provided with an annular body with a circular ring-shaped cross section, the outer diameter of the annular body is the same as the diameter of the columnar body, and the inner diameter of the annular body is gradually reduced from front to back.
2. A material leakage preventing embedded metal nut as claimed in claim 1, wherein the length of said ring body is between 0.2mm to 5 mm.
3. A material leakage preventing embedded metal nut as claimed in claim 1, wherein said cylindrical body and said annular body are integrally formed.
4. A material leakage preventing embedded metal nut as claimed in claim 1, wherein said cylindrical body and said annular body are made of brass.
5. The material leakage preventing embedded metal nut as claimed in claim 1, wherein at least three strip-shaped protrusions are arranged on the outer surface of the cylindrical body at equal intervals, the length direction of the at least three strip-shaped protrusions is the same as the length direction of the cylindrical body, the front parts of the at least three strip-shaped protrusions are arranged on the outer surface of the annular body, and the rear parts of the at least three strip-shaped protrusions are arranged on the cylindrical body.
6. The material leakage preventing embedded metal nut as claimed in claim 1, wherein a reinforcing cap is provided at a rear portion of the cylindrical body, the reinforcing cap has a circular cross-section, and a diameter of the reinforcing cap is gradually reduced from front to rear.
7. The material leakage preventing embedded metal nut as claimed in claim 6, wherein a mounting hole for mounting the reinforcing cap is formed on a rear side surface of the cylindrical body, and the mounting hole is communicated with the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921742136.4U CN210739090U (en) | 2019-10-17 | 2019-10-17 | Embedded metal nut of leak protection material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921742136.4U CN210739090U (en) | 2019-10-17 | 2019-10-17 | Embedded metal nut of leak protection material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210739090U true CN210739090U (en) | 2020-06-12 |
Family
ID=71007192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921742136.4U Active CN210739090U (en) | 2019-10-17 | 2019-10-17 | Embedded metal nut of leak protection material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210739090U (en) |
-
2019
- 2019-10-17 CN CN201921742136.4U patent/CN210739090U/en active Active
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