CN208669807U - A kind of anti-return nut - Google Patents
A kind of anti-return nut Download PDFInfo
- Publication number
- CN208669807U CN208669807U CN201821006276.0U CN201821006276U CN208669807U CN 208669807 U CN208669807 U CN 208669807U CN 201821006276 U CN201821006276 U CN 201821006276U CN 208669807 U CN208669807 U CN 208669807U
- Authority
- CN
- China
- Prior art keywords
- nut
- extension
- cushion rubber
- threaded hole
- return
- Prior art date
- 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.)
- Expired - Fee Related
Links
Abstract
A kind of anti-return nut, including nut one and nut two, using being threadedly coupled between nut one and nut two, the upper end of nut one is equipped with extension, and the inside of extension is equipped with anti-retaining cushion rubber, and anti-retaining cushion rubber is equipped with the installation that locating piece is convenient for anti-retaining cushion rubber.Extension is diametrically gradually increased setting from top to bottom, and disconnection slot is additionally provided on extension, disconnects slot for preventing extension to be destroyed.Fixing bolt is additionally provided between nut two and extension, fixing bolt keeps nut two not easily to fall off.Not only fastening performance is good for the anti-return nut, also has the characteristics that structure is simple and convenient to operate.
Description
Technical field
The utility model relates to technical field of fastening, specially a kind of anti-return nut.
Background technique
Nut is one of common fastener in machinery field, is usually used cooperatively with bolt or screw rod, when nut is installed
In the working environment of vibration, it is easy to generate loosening because of vibration, or even nut can be made to fall off, causes security risk.
Utility model content
Aiming at the problem that pointing out in background technique, the utility model proposes a kind of anti-return nut, which can prevent
The only loosening that nut is generated by vibration.
The technical solution of the utility model is achieved in that
A kind of anti-return nut, including nut one and nut two use spiral shell between the nut one and the nut two
Line connection, it is characterised in that: the upper end of the nut one is equipped with extension, and the extension is equipped with external screw thread, described
External screw thread be threadedly coupled with the nut two, the inside of the extension is equipped with anti-retaining cushion rubber, the anti-retaining cushion rubber
The inner wall of outer wall and the extension contact, the diameter of the inner wall of the anti-retaining cushion rubber is equal to spiral shell in the nut one
The diameter of pit, the extension are diametrically gradually increased setting from top to bottom, and the diameter of the extension upper end is equal to institute
The diameter of two internal thread hole of nut is stated, the extension is equipped with several disconnection slots, and the disconnection slot is circumferential along the extension
Setting.
The utility model is further arranged to, the disconnection slot be four, the disconnection slot is by the extension
It is divided into four parts.
The utility model is further arranged to, and the anti-retaining cushion rubber is equipped with several metal positioning blocks, described
Locating piece one end is fixed on the anti-retaining cushion rubber, and the other end of the locating piece is located in the disconnection slot.
The utility model is further arranged to, and fixing bolt is equipped between the extension and the nut two,
The nut two be equipped with threaded hole one, the extension be equipped with threaded hole two, the position of the threaded hole one with
The position of the threaded hole two is corresponding, and the threaded hole one, threaded hole two are threadedly coupled with the fixing bolt.
The utility model is further arranged to, and the outside of the threaded hole one is equipped with counterbore, the spiral shell of the fixing bolt
Cap is located in the counterbore.
The utility model is further arranged to, and the anti-retaining cushion rubber is made of rubber.
Using above-mentioned technical proposal, the utility model has the following beneficial effects:
(1) diameter of a kind of anti-return nut provided by the utility model, the extension lower end is less than the extension
The diameter of upper end, when the nut two is gradually screwed on to the lower end of the extension, the extension can be received gradually
Contracting, fastens the anti-return nut more, prevents nut one from loosening, and the disconnection slot can make the extension when shrinking
It will not be destroyed, the fixing bolt prevents the nut two from falling off from the nut one, to increase this
Reliability when anti-return nut works；
(2) a kind of anti-return nut provided by the utility model, the metal positioning block told can be to the anti-retaining glue
Circle is positioned, the installation of the convenient sealing rubber ring；
(3) a kind of anti-return nut provided by the utility model has many advantages, such as that structure is simple, is convenient for operation, adopts simultaneously
With seperated design, component interchanging rate is improved.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model nut one；
Fig. 3 is the structural schematic diagram at another visual angle of the utility model nut one；
Fig. 4 is the structural schematic diagram of the utility model nut two；
Fig. 5 is the structural schematic diagram of the anti-retaining cushion rubber of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
It is illustrated as follows with reference to Fig. 1-5 pairs of the utility model:
A kind of anti-return nut, including nut 1 and nut 22, the upper end of the nut 1 is equipped with extension 101, described
Extension 101 is the tube body for being diametrically gradually reduced setting from top to bottom, and the extension 101 is equipped with external screw thread, described
External screw thread is threadedly coupled with the internal thread hole on the nut 22.Slot 102, institute are disconnected there are four setting on the extension 101
It states disconnection slot 102 to be uniformly arranged along the circumferential direction of the extension 101, the disconnection slot 102, which divides the extension 101, is
Four parts.
The inside of the extension 101 is equipped with anti-retaining cushion rubber 3, and the anti-retaining cushion rubber 3 is made of rubber material,
The inner wall of the outer wall and the extension 101 of the anti-retaining cushion rubber 3 contacts, anti-3 inner wall of retaining cushion rubber it is straight
Diameter is equal with the diameter of one 1 internal thread hole of nut.Four locating pieces 301 are additionally provided on the anti-retaining cushion rubber 3, it is described
Locating piece 301 be made of metal material, the locating piece 301 is circumferentially equal along the circumferential direction of the anti-retaining cushion rubber 3
Even distribution, one end of the locating piece 301 are fixed on the anti-retaining cushion rubber 3, and the other end of the locating piece 301 is located at institute
In the disconnection slot 102 stated.The locating piece 301 is convenient for the positioning and installation of the anti-retaining cushion rubber 3.
It is additionally provided with fixing bolt 4 between the nut 22 and the extension 101, the nut 22 is equipped with
Threaded hole 1, the extension 101 are equipped with threaded hole 2 103, when the nut 22 and the extension 101 revolve
When tight, the position of the threaded hole 1 is corresponding with 2 103 position of threaded hole, the fixing bolt 4 with it is described
Threaded hole 1, threaded hole 2 103 are threadedly coupled.The outside of the threaded hole 1 is equipped with counterbore 202, the fixing bolt
4 nut portion is located in the counterbore 202.
Using above-mentioned technical proposal, the utility model has the following beneficial effects:
1, the diameter of a kind of anti-return nut provided by the utility model, the extension lower end is less than on the extension
The diameter at end, when the nut two is gradually screwed on to the lower end of the extension, the extension can be gradually tapered up,
Fasten the anti-return nut more, prevent nut one from loosening, the disconnection slot can make the extension shrink when not
It can be destroyed, the fixing bolt prevents the nut two from falling off from the nut one, to increase this only
Reliability when withdrawing nut works；
2, a kind of anti-return nut provided by the utility model, the metal positioning block told can be to the anti-retaining cushion rubbers
It is positioned, the installation of the convenient sealing rubber ring；
3, a kind of anti-return nut provided by the utility model has many advantages, such as that structure is simple, is convenient for operation, uses simultaneously
Seperated design, improves component interchanging rate.
It is above-described be only the utility model preferred embodiment, be not intended to limit the utility model, it is all
Within the spirit and principles of the utility model, it is practical new to should be included in this for any modification, equivalent replacement, improvement and so on
Within the protection scope of type.
Claims (6)
1. a kind of anti-return nut, including nut one and nut two use screw thread between the nut one and the nut two
Connection, it is characterised in that: the upper end of the nut one is equipped with extension, and the extension is equipped with external screw thread, described
External screw thread is threadedly coupled with the nut two, and the inside of the extension is equipped with anti-retaining cushion rubber, the anti-retaining cushion rubber
The inner wall of outer wall and the extension contacts, and the diameter of the inner wall of the anti-retaining cushion rubber is equal to one internal screw thread of nut
The diameter in hole, the extension are diametrically gradually increased setting from top to bottom, and the diameter of the extension upper end is equal to described
The diameter of two internal thread hole of nut, the extension are equipped with several disconnection slots, and the disconnection slot is circumferentially set along the extension
It sets.
2. a kind of anti-return nut according to claim 1, it is characterised in that: the disconnection slot is four, the disconnection
The extension is four parts by slot.
3. a kind of anti-return nut according to claim 1, it is characterised in that: the anti-retaining cushion rubber is equipped with several gold
Belong to locating piece, described locating piece one end is fixed on the anti-retaining cushion rubber, and the other end of the locating piece is located at described disconnected
In fluting.
4. a kind of anti-return nut according to claim 1, it is characterised in that: the extension and the nut two it
Between be equipped with fixing bolt, the nut two be equipped with threaded hole one, the extension be equipped with threaded hole two, the spiral shell
The position of pit one is corresponding with the position of threaded hole two, the threaded hole one, threaded hole two and the fixation spiral shell
Bolt is threadedly coupled.
5. a kind of anti-return nut according to claim 4, it is characterised in that: the outside of the threaded hole one is equipped with counterbore,
The nut of the fixing bolt is located in the counterbore.
6. a kind of anti-return nut according to claim 1, it is characterised in that: the anti-retaining cushion rubber uses rubber system
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821006276.0U CN208669807U (en) | 2018-06-28 | 2018-06-28 | A kind of anti-return nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821006276.0U CN208669807U (en) | 2018-06-28 | 2018-06-28 | A kind of anti-return nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208669807U true CN208669807U (en) | 2019-03-29 |
Family
ID=65825405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821006276.0U Expired - Fee Related CN208669807U (en) | 2018-06-28 | 2018-06-28 | A kind of anti-return nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208669807U (en) |
-
2018
- 2018-06-28 CN CN201821006276.0U patent/CN208669807U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325024 No. 168 Hairong Road, Haicheng Street Water Heating Park, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Ruili Auto Parts Co.,Ltd. Address before: 325024 No. 168 Hairong Road, Haicheng Street Water Heating Park, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee before: WENZHOU RUILI FASTENER Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 |