CN213839239U - Cap nut with sealing function - Google Patents
Cap nut with sealing function Download PDFInfo
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- CN213839239U CN213839239U CN202022563962.1U CN202022563962U CN213839239U CN 213839239 U CN213839239 U CN 213839239U CN 202022563962 U CN202022563962 U CN 202022563962U CN 213839239 U CN213839239 U CN 213839239U
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- sealing
- transition
- nut
- main body
- cap nut
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Abstract
The utility model relates to the technical field of fasteners, in particular to a cap nut with a sealing function, which comprises an end head part and a main body part, wherein the upper end of the end head part is fixedly connected with the main body part, a transition part is arranged on the upper side of the main body part, a sealing part is fixedly connected with the upper end of the transition part, and a sealing rubber ring is arranged outside the sealing part; the utility model discloses in, through the sealing rubber circle and the transition portion that set up, when the nut uses with the bolt cooperation, the sealed face and the contact surface of nut laminate mutually, rubber seal can carry out further sealing to the joint face simultaneously, improve the sealed effect of nut, the circular ring form setting of transversal personally submitting of transition portion, and transition portion cross section external diameter slightly is less than sealing portion cross section external diameter, the installation of the sealing rubber circle of being convenient for of this kind of setting, and sealing rubber circle block can prevent that it from droing in the outside of transition portion.
Description
Technical Field
The utility model relates to a fastener technical field specifically is a cap nut with sealing function.
Background
As the name suggests, the acorn nut is exactly the hexagon nut with the cover, the part that the outside of this lid exposes is just fastened and is covered in its effect, thereby prevent that moisture or some other corrosive substance from getting into the inside and playing rust-resistant effect, and then improve the live time of its itself and connecting piece, ordinary acorn nut only relies on the mechanical fit between nut and the contact surface to realize sealedly, wearing and tearing can appear in the contact surface after long-time the use, lead to sealed effect variation, shorten the life of nut, therefore, an acorn nut with sealing function is proposed to above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cap nut with sealing function to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a cap nut with sealing function, includes end portion and main part, end portion upper end and main part fixed connection, the main part upside is equipped with transition portion, transition portion upper end fixedly connected with sealing, the sealing outside is equipped with the sealing rubber circle.
Preferably, the inner side of the upper end of the sealing part is provided with a transition groove, the lower side of the bottom end of the transition groove is provided with a threaded hole, and the threaded hole penetrates through the main body part and extends to the middle part of the end head part.
Preferably, the upper end of the sealing part is provided with a sealing surface, and the sealing surface and the main body part of the sealing part are both provided with arc chamfers.
Preferably, the main body part is arranged in a regular hexagon shape in cross section.
Preferably, the cross section of the transition part is arranged in a circular ring shape, and the outer diameter of the cross section of the transition part is 0.9 times of that of the cross section of the sealing part.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, through the arranged sealing rubber ring, when the nut is matched with the bolt for use, the sealing surface of the nut is jointed with the contact surface, and meanwhile, the rubber sealing ring can further seal the joint surface, thereby improving the sealing effect of the nut;
2. the utility model discloses in, through the transition portion that sets up, the transversal ring form setting of personally submitting of transition portion, and transition portion cross section external diameter slightly is less than sealing portion cross section external diameter, and the installation of the sealing rubber circle of being convenient for of this kind of setting, and sealing rubber circle block can prevent that it from droing in the outside of transition portion, the processing of the nut of being convenient for simultaneously.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the mounting structure of the main body of the present invention;
fig. 4 is a schematic view of the installation structure of the sealing rubber ring of the present invention;
fig. 5 is the overall structure schematic diagram of the sealing rubber ring of the present invention.
In the figure: 1-end part, 2-main part, 3-transition part, 4-sealing part, 5-sealing rubber ring, 6-transition groove, 7-threaded hole and 8-sealing surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 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.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides a cap nut with sealing function, includes end portion 1 and main part 2, 1 upper ends of end portion and main part 2 fixed connection, and 2 upsides of main part are equipped with transition portion 3, and 3 upper ends of transition portion fixedly connected with sealing portion 4, the 4 outsides of sealing portion are equipped with sealing rubber circle 5.
The inner side of the upper end of the sealing part 4 is provided with a transition groove 6, the lower side of the bottom end of the transition groove 6 is provided with a threaded hole 7, the threaded hole 7 penetrates through the main body part 2 and extends to the middle part of the end head part 1, the transition groove 6 is arranged to facilitate the installation of a nut and a bolt, the nut is fixedly connected with the bolt through the arranged threaded hole 7, the threaded hole 7 penetrates through the main body part 2 and extends to the middle part of the end head part 1, the contact area between the bolt and the nut can be increased by the arrangement, the connection part is firmer, the upper end of the sealing part 4 is provided with a sealing surface 8, the sealing surface 8 and the main body part of the sealing part 4 are both provided with arc chamfers, the cross section of the main body part 2 is in regular hexagon arrangement, the cross section of the transition part 3 is in a circular ring arrangement, the outer diameter of the cross section of the transition part 3 is 0.9 times of the outer diameter of the cross section of the sealing part 4, the arrangement is convenient for the installation of the sealing rubber ring 5, and the sealing rubber ring 5 is clamped on the outer side of the transition part 3, can prevent it from dropping, under the combined action of sealing rubber circle 5 and sealed face 8, can realize the sealed of nut.
The working process is as follows: the upper end of the end part 1 is fixedly connected with the main body part 2, the upper side of the main body part 2 is provided with a transition part 3, the upper end of the transition part 3 is fixedly connected with a sealing part 4, the outer side of the sealing part 4 is provided with a sealing rubber ring 5, the inner side of the upper end of the sealing part 4 is provided with a transition groove 6, the lower side of the bottom end of the transition groove 6 is provided with a threaded hole 7, the threaded hole 7 penetrates through the main body part 2 and extends to the middle part of the end part 1, the transition groove 6 is arranged to facilitate the installation of a nut and a bolt, the nut is fixedly connected with the bolt through the threaded hole 7, the threaded hole 7 penetrates through the main body part 2 and extends to the middle part of the end part 1, the arrangement can increase the contact area between the bolt and the nut, so that the connection part is firmer, the upper end of the sealing part 4 is provided with a sealing surface 8, the sealing surface 8 and the main body part of the sealing part 4 are both provided with arc chamfers, the cross section of the main body part 2 is in a regular hexagon arrangement, the cross section of the transition part 3 is in a circular ring shape, and 3 cross section external diameters of transition portion are 0.9 times of the 4 cross section external diameters of sealing, and the installation of sealing rubber circle 5 is convenient for in this kind of setting, and sealing rubber circle 5 block can prevent it and drop in the outside of transition portion 3.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A cap nut with sealing function, comprising an end head portion (1) and a main body portion (2), characterized in that: the end part (1) upper end and main part (2) fixed connection, main part (2) upside is equipped with transition portion (3), transition portion (3) upper end fixedly connected with sealing portion (4), sealing portion (4) outside is equipped with sealing rubber circle (5).
2. A cap nut having a sealing function according to claim 1, wherein: the inner side of the upper end of the sealing part (4) is provided with a transition groove (6), the lower side of the bottom end of the transition groove (6) is provided with a threaded hole (7), and the threaded hole (7) penetrates through the main body part (2) and extends to the middle part of the end head part (1).
3. A cap nut having a sealing function according to claim 1, wherein: and a sealing surface (8) is arranged at the upper end of the sealing part (4), and the main parts of the sealing surface (8) and the sealing part (4) are provided with arc chamfers.
4. A cap nut having a sealing function according to claim 1, wherein: the cross section of the main body part (2) is in a regular hexagon shape.
5. A cap nut having a sealing function according to claim 1, wherein: the cross section of the transition part (3) is arranged in a circular ring shape, and the outer diameter of the cross section of the transition part (3) is 0.9 times of that of the cross section of the sealing part (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022563962.1U CN213839239U (en) | 2020-11-09 | 2020-11-09 | Cap nut with sealing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022563962.1U CN213839239U (en) | 2020-11-09 | 2020-11-09 | Cap nut with sealing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213839239U true CN213839239U (en) | 2021-07-30 |
Family
ID=77014686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022563962.1U Active CN213839239U (en) | 2020-11-09 | 2020-11-09 | Cap nut with sealing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213839239U (en) |
-
2020
- 2020-11-09 CN CN202022563962.1U patent/CN213839239U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |