CN213929098U - Screw with washer - Google Patents
Screw with washer Download PDFInfo
- Publication number
- CN213929098U CN213929098U CN202022677903.7U CN202022677903U CN213929098U CN 213929098 U CN213929098 U CN 213929098U CN 202022677903 U CN202022677903 U CN 202022677903U CN 213929098 U CN213929098 U CN 213929098U
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- screw
- packing ring
- washer
- gasket
- head
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Abstract
The utility model relates to a take packing ring screw, including cylinder spiral shell head, locate the screw rod of cylinder spiral shell head downside, the screw rod includes smooth district on upper portion and the following screw thread district in smooth district, and smooth district endotheca is equipped with a packing ring, and the packing ring possesses deformability for strengthen the fastening force of screw, cylinder spiral shell head upper portion center is equipped with the screw hole. The gasket is circular, one side close to the cylindrical screw head is a plane, and the middle part of one side close to the threaded area is provided with a circular upward inward concave cylindrical groove. This scheme integrated design's take packing ring screw need not take once more and the operation of suit packing ring when the assembly is used, has improved work efficiency, and the downside shape of packing ring designs into circular indent moreover for the surface atress symmetry of part during the assembly, just have deformation effect, strengthened the fastening power.
Description
Technical Field
The utility model relates to a screw production field especially relates to a take packing ring screw.
Background
In order to make the screw assembly use, it is more firm, generally need to sheathe a packing ring on the screw, and current turnbuckle packing ring assembly methods have following defect:
(1) a part is added, the assembly time is prolonged, and the working efficiency is low;
(2) if an integrated screw with a washer is used, the wavy shape of the spring washer can cause uneven stress on the assembly surface, and the fastening effect is not good enough due to the lack of elasticity of the flat washer.
In view of these problems, we have invented a screw with washer that solves the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an invention aim at solving current turnbuckle packing ring assembly methods, the existence has increased a part, and the assemble duration is prolonged, and work efficiency is low than, if use the integration screw of taking the packing ring, can lead to assembly surface atress inhomogeneous to the wave of spring washer, lack the problem that its fastening effect is not good enough to flat packing ring elasticity. The concrete solution is as follows:
the utility model provides a take packing ring screw, includes the cylinder spiral shell head, locates the screw rod of cylinder spiral shell head downside, the screw rod includes smooth district on upper portion and the following screw thread district in smooth district, smooth district endotheca is equipped with a packing ring, the packing ring possesses deformability for strengthen the fastening force of screw, cylinder spiral shell head upper portion center is equipped with the screw hole.
Furthermore, the gasket is circular, one side close to the cylindrical screw head is a plane, and the middle part of one side close to the threaded area is provided with a circular upward inward concave cylindrical groove.
Furthermore, the outer diameter of the gasket is 19.5 +/-0.1 mm, the diameter of the inner concave column groove is 11.5 +/-0.1 mm, and the depth of the inner concave column groove is 1.15 +/-0.1 mm.
Further, the thickness of the gasket is 3.45 +/-0.1 mm.
Furthermore, the screwdriver hole is a hexagon socket, and the distance between the parallel planes of the hexagon socket is 4.020-4.084.
Further, the depth of the hexagon socket is at least 2.5 mm.
Furthermore, the outer diameter of the cylindrical screw head is 8.28-8.50 mm, and the height is 4.82-5.00 mm.
Furthermore, the external diameter of the thread area is 4.83-4.97, and the internal diameter of the thread is 3.8-4.0 mm.
Furthermore, round chamfers are arranged above and below the cylindrical screw head.
Furthermore, chamfers are arranged on the upper portion and the lower portion of the gasket, and round chamfers are arranged on the upper portion and the lower portion of the inner concave cylindrical groove.
To sum up, adopt the utility model discloses a technical scheme has following beneficial effect:
the scheme solves the problems that the existing screw sleeve gasket assembling mode has the defects that a part is added, the assembling time is prolonged, the working efficiency is low, if the integrated screw with the gasket is used, the assembly surface is stressed unevenly due to the wave shape of the spring gasket, and the fastening effect is not good enough due to the lack of elasticity of the flat gasket. This scheme integrated design's take packing ring screw need not take once more and the operation of suit packing ring when the assembly is used, has improved work efficiency, and the downside shape of packing ring designs into circular indent moreover for the surface atress symmetry of part during the assembly, just have deformation effect, strengthened the fastening power.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed to be used in the description of the embodiments of the present invention will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive faculty.
Fig. 1 is a top view of a screw with washer according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a structural view of the gasket of the present invention.
Description of reference numerals:
1-cylindrical screw head, 2-screw rod, 3-gasket, 11-hexagon socket, 21-smooth area, 22-thread area and 31-inner concave cylindrical groove.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 3, a screw with a washer comprises a cylindrical screw head 1 and a screw rod 2 arranged on the lower side of the cylindrical screw head 1, wherein the screw rod 2 comprises a smooth area 21 on the upper part and a thread area 22 below the smooth area 21, the smooth area 21 is internally sleeved with the washer 3, the washer 3 has deformation performance and is used for enhancing the fastening force of the screw, and a screw hole is arranged in the center of the upper part of the cylindrical screw head 1. (it is noted that the screw tail in this embodiment is a flat tail, and in practical application, the screw tail may be designed to be a pointed tail, a trapezoidal tail or a round tail, and the tail may be grooved or not grooved.)
Further, the washer 3 is circular, one side of the washer close to the cylindrical screw head 1 is a plane, and the middle of one side of the washer close to the threaded area 21 is provided with a circular upward inward concave cylindrical groove 31.
Preferably, the outer diameter of the gasket 3 is 19.5 ± 0.1mm, the diameter of the inner concave cylindrical groove 31 is 11.5 ± 0.1mm, and the depth of the inner concave cylindrical groove 31 is 1.15 ± 0.1 mm.
Preferably, the thickness of the gasket 3 is 3.45 ± 0.1 mm.
Preferably, the screwdriver hole is a hexagon socket 11, and the distance between the parallel surfaces of the hexagon socket is 4.020-4.084.
Preferably, the depth of the hexagon socket 11 is at least 2.5 mm.
Preferably, the outer diameter of the cylindrical screw head 1 is 8.28-8.50 mm, and the height is 4.82-5.00 mm.
Preferably, the thread area 22 has an outer diameter of 4.83 to 4.97 and an inner diameter of 3.8 to 4.0 mm.
Further, round chamfers are arranged above and below the cylindrical screw head 1 (the specific round chamfer parameters are determined according to requirements).
Further, chamfers are arranged on the upper portion and the lower portion of the gasket 3 (specific chamfer angle parameters are determined according to requirements), and round chamfers are arranged on the upper portion and the lower portion of the inner concave cylindrical groove 31 (specific round chamfer angle parameters are determined according to requirements).
The optimized parameters (such as the outer diameter of the gasket 3, the thickness of the gasket 3, the parameters of the inner concave cylindrical groove 31, the parameters of the inner hexagonal hole 11 and the inner hexagonal, the parameters of the cylindrical screw head 1, the parameters of the threads and the like) in the scheme are not limited by the patent, and different parameters can be configured according to the actual screw product requirements so as to increase the specification and variety of the screw product and expand the application range of the screw product.
To sum up, adopt the utility model discloses a technical scheme has following beneficial effect:
the scheme solves the problems that the existing screw sleeve gasket assembling mode has the defects that a part is added, the assembling time is prolonged, the working efficiency is low, if the integrated screw with the gasket is used, the assembly surface is stressed unevenly due to the wave shape of the spring gasket, and the fastening effect is not good enough due to the lack of elasticity of the flat gasket. This scheme integrated design's take packing ring screw need not take once more and the operation of suit packing ring when the assembly is used, has improved work efficiency, and the downside shape of packing ring designs into circular indent moreover for the surface atress symmetry of part during the assembly, just have deformation effect, strengthened the fastening power.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (10)
1. The utility model provides a take packing ring screw which characterized in that: include cylinder spiral shell head, locate the screw rod of cylinder spiral shell head downside, the screw rod includes smooth district on upper portion and the following screw thread district in smooth district, smooth district endotheca is equipped with a packing ring, the packing ring possesses deformability for strengthen the fastening force of screw, cylinder spiral shell head upper portion center is equipped with the screw hole.
2. The washer screw of claim 1, wherein: the gasket is circular, one side close to the cylindrical screw head is a plane, and the middle part of one side close to the threaded area is provided with a circular upward inward concave cylindrical groove.
3. The washer screw of claim 2, wherein: the external diameter of the gasket is 19.5 +/-0.1 mm, the diameter of the inner concave column groove is 11.5 +/-0.1 mm, and the depth of the inner concave column groove is 1.15 +/-0.1 mm.
4. The washer screw of claim 3, wherein: the thickness of the gasket is 3.45 +/-0.1 mm.
5. The washer screw of claim 4, wherein: the screwdriver hole is an inner hexagonal hole, and the distance between the parallel planes of the inner hexagonal hole is 4.020-4.084.
6. The washer screw of claim 5, wherein: the depth of the hexagon socket hole is at least 2.5 mm.
7. The washer screw of claim 6, wherein: the outer diameter of the cylindrical screw head is 8.28-8.50 mm, and the height of the cylindrical screw head is 4.82-5.00 mm.
8. The washer screw of claim 7, wherein: the outer diameter of the thread area is 4.83-4.97, and the inner diameter of the thread is 3.8-4.0 mm.
9. The washer screw of claim 8, wherein: round chamfers are arranged above and below the cylindrical screw head.
10. The washer screw of claim 9, wherein: chamfers are arranged on the upper portion and the lower portion of the gasket, and round chamfers are arranged on the upper portion and the lower portion of the inner concave cylindrical groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022677903.7U CN213929098U (en) | 2020-11-18 | 2020-11-18 | Screw with washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022677903.7U CN213929098U (en) | 2020-11-18 | 2020-11-18 | Screw with washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213929098U true CN213929098U (en) | 2021-08-10 |
Family
ID=77171943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022677903.7U Active CN213929098U (en) | 2020-11-18 | 2020-11-18 | Screw with washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213929098U (en) |
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2020
- 2020-11-18 CN CN202022677903.7U patent/CN213929098U/en active Active
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