CN214081160U - Fastening sleeve for conical nut - Google Patents
Fastening sleeve for conical nut Download PDFInfo
- Publication number
- CN214081160U CN214081160U CN202120038610.6U CN202120038610U CN214081160U CN 214081160 U CN214081160 U CN 214081160U CN 202120038610 U CN202120038610 U CN 202120038610U CN 214081160 U CN214081160 U CN 214081160U
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- hole
- conical
- nut
- fastening
- circular cone
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Abstract
The utility model discloses a fastening sleeve for conical nut, including the cylinder body, the rectangular hole with pneumatic or electric tool adaptation is seted up at cylinder body top, the circular cone hole has been seted up to cylinder body bottom, the circular cone hole is linked together with the rectangular hole, the area of circular cone hole bottom cross section is greater than the area of top cross section. The utility model discloses a conical bore taper nut of closely laminating can carry out quick fastening and dismantlement to it, can not cause the damage to taper nut, and the fastening effect is stable to improve work efficiency, reduced construction cost.
Description
Technical Field
The utility model belongs to the technical field of the guardrail construction, in particular to a fastening sleeve for conical nut.
Background
China is a country with developed traffic, the total highway mileage in China reaches 501.25 kilometers by the end of 2019, the total highway mileage reaches 14.96 kilometers, and on the highway with huge mileage, as a safety protection facility, a corrugated beam guardrail has great necessity.
Disclosure of Invention
The utility model aims at overcoming not enough among the prior art, providing a fastening sleeve for conical nut, closely laminating conical nut through the taper hole can carry out quick fastening and dismantlement to it, can not cause the damage to conical nut, and the fastening effect is stable to improve work efficiency, reduced construction cost.
In order to realize the purpose, the utility model discloses a technical scheme is:
the utility model provides a fastening sleeve for conical nut, includes the cylinder body, the length of cylinder body is 68mm, and the diameter is 38mm, the rectangle hole that the length of side is 14mm with pneumatic or electric tool adaptation is seted up at cylinder body top, the degree of depth of rectangle hole is 14mm, the circular cone hole has been seted up to cylinder body bottom, the circular cone hole is linked together with the rectangle hole, the area of circular cone hole bottom cross section is greater than the area of top cross section, and the radius of circular cone hole bottom cross section is 26mm, and the circular cone hole is used for placing conical nut and closely laminates with it.
Preferably, a plurality of protruding strips are evenly installed inside the conical hole, and the friction force between the inner wall of the conical hole and the conical nut is increased through the protruding strips, so that the conical nut is convenient to install and detach, and the working efficiency is improved.
Preferably, the shrinkage pool has evenly been seted up to the circumferencial direction on the lateral wall of the cylinder body in the rectangular hole outside, when conical nut operating space is less or can't use pneumatics or electric tool, can install and dismantle conical nut through inserting the bracing piece in the shrinkage pool to this telescopic application range has been improved.
Preferably, the wear-resistant coatings are arranged in the conical holes and the rectangular holes, so that the sleeve is high in contact surface hardness and wear-resistant coefficient, and the service life of the sleeve is prolonged.
The utility model has the advantages that:
1) the conical nut tightly attached to the conical hole can be quickly fastened and detached, the conical nut cannot be damaged, the fastening effect is stable, the working efficiency is improved, and the construction cost is reduced.
2) A plurality of protruding strips are evenly arranged inside the conical hole, and friction force between the inner wall of the conical hole and the conical nut is increased through the protruding strips, so that the conical nut is convenient to install and detach, and the working efficiency is improved.
3) The shrinkage pool has evenly been seted up to circumferencial direction on the lateral wall of the cylinder body in the rectangular hole outside, when conical nut operation space is less or can't use pneumatics or electric tool, can install and dismantle conical nut through inserting the bracing piece in the shrinkage pool to this telescopic application range has been improved.
4) The conical hole and the rectangular hole are internally provided with wear-resistant coatings, so that the sleeve has higher contact surface hardness and higher wear resistance coefficient, and the service life of the sleeve is prolonged.
Drawings
Fig. 1 is a schematic structural view of a top portion of a fastening sleeve for a taper nut according to the present invention.
Fig. 2 is a schematic view of the bottom structure of a fastening sleeve for a cone nut of the present invention.
Fig. 3 is a cross-sectional view of a fastening sleeve for a taper nut according to the present invention.
In the figure: 1. a cylindrical body; 2. a rectangular hole; 3. a conical bore; 4. concave holes; 5. and (4) protruding strips.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-3, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The utility model provides a fastening sleeve for conical nut, includes the cylinder body, the length of cylinder body 1 is 68mm, and the diameter is 38mm, the rectangular hole 2 that the length of side is 14mm with pneumatic or electric tool adaptation is seted up at cylinder body 1 top, the degree of depth of rectangular hole 2 is 14mm, circular cone hole 3 has been seted up to cylinder body 1 bottom, circular cone hole 3 is linked together with rectangular hole 2, the area of 3 bottom cross sections of circular cone hole is greater than the area of top cross section, and the radius of 3 bottom cross sections of circular cone hole is 26mm, and circular cone hole 3 is used for placing conical nut and closely laminates with it.
A plurality of protruding strips 5 are evenly installed to 3 insides of circular cone hole, have increased the frictional force between 3 inner walls of circular cone hole and the cone nut through protruding strips 5 to the cone nut's of being convenient for installation and dismantlement have improved the efficiency of work, shrinkage pool 4 has evenly been seted up to circumferencial direction on the lateral wall of the cylinder body 1 in the 2 outsides of rectangular hole, when cone nut operating space is less or can't use pneumatics or electric tool, can install and dismantle cone nut in inserting shrinkage pool 4 through with the bracing piece, thereby improved this telescopic application range, circular cone hole 3 all is equipped with wear-resistant coating with 2 insides of rectangular hole, thereby makes this sleeve contact surface hardness higher, coefficient of wear is higher, has prolonged this telescopic life.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (7)
1. The fastening sleeve for the conical nut is characterized by comprising a cylindrical body, wherein a rectangular hole matched with a pneumatic or electric tool is formed in the top of the cylindrical body, a conical hole is formed in the bottom of the cylindrical body and communicated with the rectangular hole, and the area of the cross section of the bottom of the conical hole is larger than that of the cross section of the top of the conical hole.
2. A fastening socket for a taper nut according to claim 1, characterized in that the cylindrical body has a length of 68mm and a diameter of 38 mm.
3. A fastening socket for a taper nut as claimed in claim 1, wherein the rectangular hole has a side length of 14mm and a depth of 14 mm.
4. A fastening socket for a taper nut according to claim 1, wherein the radius of the cross section of the bottom of said conical bore is 26 mm.
5. A fastening socket for a taper nut as claimed in claim 1, wherein a plurality of the projection strips are uniformly installed inside the conical hole.
6. The fastening sleeve for the taper nut as claimed in claim 1, wherein concave holes are uniformly formed in the side wall of the cylindrical body outside the rectangular hole in the circumferential direction.
7. A fastening socket for a taper nut as claimed in claim 1, wherein the conical bore and the rectangular bore are provided with a wear resistant coating therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120038610.6U CN214081160U (en) | 2021-01-07 | 2021-01-07 | Fastening sleeve for conical nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120038610.6U CN214081160U (en) | 2021-01-07 | 2021-01-07 | Fastening sleeve for conical nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214081160U true CN214081160U (en) | 2021-08-31 |
Family
ID=77437927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120038610.6U Active CN214081160U (en) | 2021-01-07 | 2021-01-07 | Fastening sleeve for conical nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214081160U (en) |
-
2021
- 2021-01-07 CN CN202120038610.6U patent/CN214081160U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |