CN209818490U - Air filter cartridge fastening nut - Google Patents
Air filter cartridge fastening nut Download PDFInfo
- Publication number
- CN209818490U CN209818490U CN201920133420.5U CN201920133420U CN209818490U CN 209818490 U CN209818490 U CN 209818490U CN 201920133420 U CN201920133420 U CN 201920133420U CN 209818490 U CN209818490 U CN 209818490U
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- CN
- China
- Prior art keywords
- sleeve nut
- nut
- inner sleeve
- thread
- air filter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model particularly relates to a fastening nut is strained to air belongs to fastener technical field, and the technical problem of solution provides one kind and effectively prevents to rust and fasten effectual fastening nut is strained to air, adopts technical scheme to be: the outer sleeve nut is sleeved on the inner sleeve nut, the inner sleeve nut is of a cylindrical structure with one closed end, the inner sleeve nut is provided with an internal thread matched with the screw thread of the free section of the screw for the air filter cylinder, the inner sleeve nut is provided with an external thread, the closed end of the inner sleeve nut is provided with a dismounting hole, the dismounting hole is a through hole, the outer sleeve nut is provided with an internal thread, the internal thread of the outer sleeve nut is matched with the external thread of the inner sleeve nut, and a handle is fixed on the outer wall of the outer sleeve nut; the utility model discloses a nut installation back because the endotheca nut is one end confined tubular structure, the bolt surpasss the part of work piece and completely covers under the nut, avoids exposing in the air for a long time and rusts.
Description
Technical Field
The utility model belongs to the technical field of the fastener, concretely relates to fastening nut is strained to air.
Background
The nut is a part for tightly connecting mechanical equipment, the nut and the bolt with the same specification can be connected together through the inner thread, and the bolt and the nut are used as conventional detachable fastening parts and are widely applied to mechanical equipment, power and mechanical components in various fields. The air filter cylinder is generally provided with a common M12 hexagonal nut, and when the air filter cylinder is used, an open-end wrench is needed for fastening, so that time and labor are wasted, and redundant lead screws are rusted due to long-time exposure in the environment.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art exists not enough, provides an effectively prevent to rust and fasten effectual air filter tube fastening nut.
In order to solve the technical problem, the utility model discloses a technical scheme be: an air filter cartridge retention nut comprising: the inner sleeve nut, the outer sleeve nut, the dismounting hole and the handle; the outer sleeve nut is sleeved on the inner sleeve nut, the inner sleeve nut is of a cylindrical structure with one closed end, the inner sleeve nut is provided with an internal thread matched with a screw free section thread for the air filter cylinder, an annular ring is coaxially fixed on the outer side of one open end of the inner sleeve nut, the inner diameter of the annular ring is the same as that of the inner sleeve nut, the outer diameter of the annular ring is larger than that of the inner sleeve nut, the inner sleeve nut is provided with an external thread, one closed end of the inner sleeve nut is provided with the dismounting hole, and the dismounting hole is a through hole;
the outer sleeve nut is characterized in that a fixing snap ring is coaxially fixed at one end of the outer sleeve nut, the fixing snap ring is matched with an annular ring, the annular ring can be sleeved in the fixing snap ring, the outer sleeve nut is provided with an internal thread, the internal thread of the outer sleeve nut is matched with the external thread of the inner sleeve nut, and a handle is fixed on the outer wall of the outer sleeve nut.
The internal thread of the inner sleeve nut and the external thread of the inner sleeve nut have the same thread rotating direction.
The handle is of a stick-shaped structure.
The internal thread of the inner sleeve nut, the external thread of the inner sleeve nut and the thread crest and the thread root of the internal thread of the outer sleeve nut are all arc-shaped.
The outer nut is provided with a handle, and the outer nut can be detached by directly twisting the handle; the inner sleeve nut is provided with a dismounting hole, and the inner sleeve nut can be conveniently dismounted by penetrating a common nail into the dismounting hole.
The utility model discloses a nut is extension nut, can cover the screw free section completely under the nut.
Compared with the prior art, the utility model following beneficial effect has.
Firstly, the utility model discloses a nut installation back because the endotheca nut is one end confined tubular structure, the part that the bolt surpassed the work piece is totally covered under the nut, avoids exposing in the air for a long time and rusts.
Secondly, the utility model discloses an endotheca nut and overcoat nut duplicate protection, it is effectual to fasten.
Thirdly, the utility model discloses be provided with the dismantlement hole in endotheca nut upper end, be provided with the handle on the overcoat nut, make to dismantle convenient more laborsaving.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the fastening nut of the air filter cartridge of the present invention.
Figure 2 is a top view of the air filter cartridge fastening nut of the present invention.
Fig. 3 is a schematic structural view of the inner sleeve nut of the present invention.
In the figure: 1 is an inner sleeve nut, 11 is an annular ring, 2 is an outer sleeve nut, 3 is a dismounting hole, and 4 is a handle.
Detailed Description
The following is a further description with reference to specific examples.
An air filter cartridge retention nut comprising: the device comprises an inner sleeve nut 1, an outer sleeve nut 2, a dismounting hole 3 and a handle 4; the outer sleeve nut 2 is sleeved on the inner sleeve nut 1, the inner sleeve nut 1 is of a cylindrical structure with one closed end, the inner sleeve nut 1 is provided with an internal thread matched with a screw free section thread for an air filter cylinder, an annular ring 11 is coaxially fixed on the outer side of one opened end of the inner sleeve nut 1, the inner diameter of the annular ring 11 is the same as that of the inner sleeve nut 1, the outer diameter of the annular ring 11 is larger than that of the inner sleeve nut 1, the inner sleeve nut 1 is provided with an external thread, one closed end of the inner sleeve nut 1 is provided with the dismounting hole 3, and the dismounting hole 3 is a through hole;
the outer sleeve nut is characterized in that a fixing snap ring is coaxially fixed at one end of the outer sleeve nut 2, the fixing snap ring is matched with the annular ring 11, the annular ring 11 can be sleeved in the fixing snap ring, the outer sleeve nut 2 is provided with internal threads, the internal threads of the outer sleeve nut 2 are matched with the external threads of the inner sleeve nut 1, and a handle 4 is fixed on the outer wall of the outer sleeve nut 2.
The internal thread of the inner sleeve nut 1 and the external thread of the inner sleeve nut 1 have the same thread rotating direction.
The handle 4 is of a stick-shaped structure.
The internal thread of the inner sleeve nut 1, the external thread of the inner sleeve nut 1 and the thread crest and the thread root of the internal thread of the outer sleeve nut 2 are all arc-shaped.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (4)
1. An air filter cartridge retention nut, comprising: the inner sleeve nut (1), the outer sleeve nut (2), the dismounting hole (3) and the handle (4); the outer sleeve nut (2) is sleeved on the inner sleeve nut (1), the inner sleeve nut (1) is of a cylindrical structure with one closed end, the inner sleeve nut (1) is provided with an internal thread matched with a screw free section thread for an air filter cylinder, an annular ring (11) is coaxially fixed on the outer side of one open end of the inner sleeve nut (1), the inner diameter of the annular ring (11) is the same as that of the inner sleeve nut (1), the outer diameter of the annular ring (11) is larger than that of the inner sleeve nut (1), the inner sleeve nut (1) is provided with an external thread, one closed end of the inner sleeve nut (1) is provided with the dismounting hole (3), and the dismounting hole (3) is a through hole;
the one end of outer sleeve nut (2) is fixed with fixed snap ring coaxially, fixed snap ring suits with annular ring (11), annular ring (11) can suit in fixed snap ring, outer sleeve nut (2) is provided with the internal thread, the internal thread of outer sleeve nut (2) suits with the external screw thread of endotheca nut (1), be fixed with handle (4) on the outer wall of outer sleeve nut (2).
2. An air filter cartridge fastening nut according to claim 1, characterized in that the internal thread of the inner sleeve nut (1) coincides with the thread rotation direction of the external thread of the inner sleeve nut (1).
3. An air filter cartridge fastening nut as claimed in claim 1, characterised in that the handle (4) is of stick-like construction.
4. The air filter cartridge fastening nut of claim 1, wherein the internal threads of the inner sleeve nut (1), the external threads of the inner sleeve nut (1), and the internal threads of the outer sleeve nut (2) have rounded thread crests and thread roots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920133420.5U CN209818490U (en) | 2019-01-25 | 2019-01-25 | Air filter cartridge fastening nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920133420.5U CN209818490U (en) | 2019-01-25 | 2019-01-25 | Air filter cartridge fastening nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818490U true CN209818490U (en) | 2019-12-20 |
Family
ID=68872097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920133420.5U Active CN209818490U (en) | 2019-01-25 | 2019-01-25 | Air filter cartridge fastening nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209818490U (en) |
-
2019
- 2019-01-25 CN CN201920133420.5U patent/CN209818490U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |