CN201671941U - Combined nut - Google Patents
Combined nut Download PDFInfo
- Publication number
- CN201671941U CN201671941U CN2010201934595U CN201020193459U CN201671941U CN 201671941 U CN201671941 U CN 201671941U CN 2010201934595 U CN2010201934595 U CN 2010201934595U CN 201020193459 U CN201020193459 U CN 201020193459U CN 201671941 U CN201671941 U CN 201671941U
- Authority
- CN
- China
- Prior art keywords
- nut
- bolt
- washer
- packing ring
- spring washer
- 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
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- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model relates to parts of a fastening component, in particular to a combined nut, which comprises a bolt, a washer, a spring washer and a nut, and is characterized in that an axial end of the washer is movably sleeved on the bolt, the spring washer is arranged between the nut and the washer, arranged in a groove of the washer and sleeved on the bolt, threads of the nut match with threads on the bolt and are arranged at the top end of the bolt, the concavity of the groove arranged in the washer is the same with the thickness of the spring washer, a projecting arc face is arranged on the bolt, and the inner side of the washer is adapted to the projecting arc face to be matched onto a concave arc face. By adopting the structure, the combined nut is not easy to loosen and drop, is simple in operation, and can prolong service life.
Description
Technical field
The utility model relates to a kind of component of fastening piece, particularly a kind of combined type nut.
Background technique
At present, in general fastening component, nut is the common and component widely of a kind of purposes.As not embodying its effect nowhere in each fields such as machinery, electric power, automobile, railway, aviations.Yet nut is when sharp pounding and irregular powerful the fluctuation; nut loosening and obscission appear through regular meeting; cause influencing the normal operation and the use of each side such as machinery, vehicle, and nut cooperates with bolt when tightening, nut also easily scratch fastening body surface.In order to address this problem, modular nut has appearred on the market, it comprises nut and outer ring, the outer ring be located in nut and between the fastening object and be arranged in jointly on the screw rod, an axial end socket of nut and outer ring rivets together, and the outer ring can rotate relatively with nut, this modular nut, its nut and outer ring can relatively rotate, when having solved the bolt assembly and having tightened, nut be difficult for scratch the phenomenon of fastening body surface; But this modular nut, do not solve nut problem loosening and that come off easily takes place, and loosening nut, make the modular nut discontinuity easily, thereby the bolt assembly is produced great shearing force, cause the outer ring impaired and shortened working life of modular nut.
Summary of the invention
The purpose of this utility model is a kind of combined type nut, and this combined type nut has automatic positioning, can increase the service life again.
A kind of combined type nut, constitute by bolt, packing ring, spring washer and nut, an axial end activity that it is characterized in that described packing ring is placed on the bolt, described spring washer is located between described nut and the described packing ring, and be located in the described gasket recess and be placed on the bolt, described nut is located on the bolt.
The thickness of described spring washer is identical with the concavity of described packing ring inner groovy, can play the effect in joint, the sphere of spring washer and the effect that packing ring concavity can play rectification when nut is loosening.
Described bolt is provided with the arc surface of projection, and suitable the closing on the recessed arc surface of arc surface of described packing ring inboard and described projection prevents the downward landing of packing ring.
Owing to be provided with said structure, this combined type nut is difficult for loosening and comes off, and is simple to operate, can increase the service life again.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of a kind of combined type nut of the present utility model.
Embodiment
As shown in Figure 1, a kind of combined type nut, constitute by bolt 1, packing ring 2, spring washer 3 and nut 4, an axial end activity that it is characterized in that described packing ring 2 is placed on the bolt 1, described spring washer 3 is located between described nut 4 and the described packing ring 2, and be located in described packing ring 2 grooves and be placed on the bolt 1, described nut 4 is located on the bolt 1.The thickness of described spring washer 3 is identical with the concavity of described packing ring 2 inner groovies, can play the effect in joint, the sphere of spring washer 3 and the effect that packing ring 2 concavity can play rectification when nut is loosening.Described bolt 1 is provided with the arc surface 5 of projection, and arc surface 5 suitable the closing on the recessed arc surface of described packing ring 2 inboards and described projection prevent packing ring 2 downward landings.
Claims (3)
1. combined type nut, it is characterized in that: be made of bolt, packing ring, spring washer and nut, an axial end activity of described packing ring is placed on the bolt, and described spring washer is located between nut and the packing ring, and be located in the described gasket recess and be placed on the bolt, described nut is located on the bolt.
2. according to the described a kind of combined type nut of claim 1, it is characterized in that: the thickness of described spring washer is identical with the concavity of described packing ring inner groovy.
3. according to the described a kind of combined type nut of claim 1, it is characterized in that: described bolt is provided with the arc surface of projection, suitable the closing on the recessed arc surface of arc surface of described packing ring inboard and described projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201934595U CN201671941U (en) | 2010-05-17 | 2010-05-17 | Combined nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201934595U CN201671941U (en) | 2010-05-17 | 2010-05-17 | Combined nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201671941U true CN201671941U (en) | 2010-12-15 |
Family
ID=43329353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201934595U Expired - Fee Related CN201671941U (en) | 2010-05-17 | 2010-05-17 | Combined nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201671941U (en) |
-
2010
- 2010-05-17 CN CN2010201934595U patent/CN201671941U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20110517 |