CN207814186U - A kind of fastening nut - Google Patents
A kind of fastening nut Download PDFInfo
- Publication number
- CN207814186U CN207814186U CN201820006108.5U CN201820006108U CN207814186U CN 207814186 U CN207814186 U CN 207814186U CN 201820006108 U CN201820006108 U CN 201820006108U CN 207814186 U CN207814186 U CN 207814186U
- Authority
- CN
- China
- Prior art keywords
- voussoir
- nut
- annular sidewall
- fastening nut
- fastening
- 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
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Landscapes
- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model discloses a kind of fastening nut, the voussoir being movably arranged on nut body can be surround including nut body and relatively, the outside one side of the voussoir is taper surface, voussoir loose slot has been arranged concentrically on the nut body, the voussoir loose slot is made of annular sidewall and annular ring, a side edge of the annular sidewall is connected on nut body, the other side edge of the outer edge connection annular sidewall of annular ring, the voussoir is L-type structure, one arm of its L-type structure constitutes the taper surface of the voussoir, in its another arm inserted wedge loose slot, when fastening uses, it holds out against to achieve the effect that by voussoir locking, it is with obvious effects, overall structure is simple, intensity is good, it manufactures simple and convenient.
Description
Technical field
The utility model is related to fastener areas, are specifically related to nut.
Background technology
Existing bolt pair has generally included bolt, nuts and washers, concrete structure and occupation mode be it is conventional known,
It is also common in life, is just not described in detail here, can finds relevant letter by searching for bolt pair on network
Cease picture, structure is substantially without the improvement in what structure from being used as fastener so far for the structure of plain bolt pair, to general
Lead to the production requirement of bolt pair with regard to the requirement in basic material, structural strength, precision, and to fastening the requirement base of anti-loosing effect
Originally it is that the locking problem of fastening, inventor's needle are either realized using double nut by using elastic washer, lock washer
Also there is further investigation to fastening locking problem, there is this case generation then.
Utility model content
The purpose of this utility model is to provide a kind of fastening nuts, and the locking effect of fastening is promoted by voussoir mode
Fruit, it is simple in structure, it is easy to operate.
To achieve the above object, the technical solution of the utility model is：A kind of fastening bolt pair, including screw bolt and nut,
The bolt includes the bolt head of integral structure and extends to the shank of bolt of end equipped with external screw thread, and the nut is screwed on bolt
On bar, it includes the first nut and the second nut that the nut screws togather erection sequence successively by fastening, is axially opened on the shank of bolt
Equipped with the wedge groove for extending to end, second nut is equipped with can be relatively around movable voussoir, and the voussoir is embedded
In wedge groove, the outside one side of the voussoir is taper surface, and when fastening, the taper surface of the voussoir can lock the first spiral shell
It is female.
Second nut includes the nut body being arranged concentrically and voussoir loose slot, and the voussoir loose slot is by annular side
Wall and annular ring are constituted, and along being connected on nut body, the outer edge of annular ring connects a side of the annular sidewall
The other side edge of annular sidewall, the voussoir are L-type structure, and an arm of L-type structure constitutes the taper surface of the voussoir,
In another arm inserted wedge loose slot.
The restriction edge of voussoir Anti-extrusion can be blocked by being convexly equipped on the nut body.
The voussoir is equipped with for limiting along embedded notch.
The annular sidewall and annular ring are structure as a whole with nut body.
Riveted connects between the annular sidewall and nut body.
Riveted connects between the annular sidewall and annular ring.
The fastening bolt pair further includes having washer, and the washer is set on shank of bolt respectively in bolt head and the first spiral shell
Female inner end side setting.
Taper surface on the voussoir is coated with locking layer.
By using above-mentioned technical proposal, the utility model has the beneficial effects that：When fastening, first screws togather and tighten the first spiral shell
Then mother screws togather the second nut again, first will start to screw togather the second nut in voussoir inserted wedge slot when screwing togather, by screwing togather rotation
Turn the second nut to carry out band dynamic voussoir and slide in wedge groove to be inserted into the corresponding wedge groove of the first nut, due on voussoir with first
Nut contact is taper surface, therefore continuing to screw togather voussoir and can hold out against the first nut with the second nut, to anti-to realize
The only loosening of the first nut, the anti-loosing effect that the nut of the locking structure reaches is preferable and with obvious effects, and overall structure is also simple
Single, the manufacturing is simple and convenient, and production cost is low, identical as the mode that comes loose of plain bolt pair when needing to come loose fastener,
First come loose the second nut, then first nut that comes loose, it is seen that elastic mode of operation is also simple and convenient, to realize this practicality
The overall construction intensity of novel purpose effect, the bolt pair of the utility model is not also damaged.
Description of the drawings
Fig. 1 be the utility model is related to a kind of fastening bolt pair schematic cross-sectional view.
In figure：
Wedge object 10；Bolt hole 101；
Bolt 1；Bolt head 11；Shank of bolt 12；Wedge groove 121；
Nut 2；First nut 21；Second nut 22；Voussoir 221；
Taper surface 2211；Locking layer 2212；Notch 2213；Nut body 222；It limits along 2221；
Voussoir loose slot 223；Annular sidewall 2231；Annular ring 2232；
Washer 3.
Specific implementation mode
In order to which the technical solution of the utility model is explained further, below by specific embodiment come to the utility model into
Row elaborates.
Originally it is a kind of fastening bolt pair disclosed in utility model, as shown in Figure 1, including bolt 1, nut 2 and washer 3, institute
It states the bolt head 11 of bolt 1 including integral structure and extends to the shank of bolt 12 of end equipped with external screw thread, on the shank of bolt 12
The wedge groove 121 for extending to end is axially offered, 12 sets of upper gaskets 3 of the shank of bolt pass through the spiral shell on object 10 to be tightened
Keyhole 101, then upper gasket 3 is covered, then the nut 2 is screwed on shank of bolt 12 on the end of bolt hole 101, the nut
2 screw togather erection sequence successively including the first nut 21 and the second nut 22 by fastening, and second nut 22 is equipped with voussoir
221, voussoir 221 protrudes outside the second nut 22 as can be seen from Figure, and opposite second nut 22 is can to surround to live relatively
Dynamic, with dynamic voussoir 221 while advance and retreat could be slided when the second nut 22 is screwed into or eases out in this way, the voussoir 221 is embedded
In wedge groove 121, the outside one side (one side i.e. with respect to shank of bolt 12 and nut axially outward) of the voussoir 221 is
Taper surface 2211 is to tilt arcwall face as illustrated in the drawing, width is from being too narrow to width, when fastening, the taper surface of the voussoir 221
It is realized between 2211 the first nuts 21 of insertion and wedge groove 121 so as to lock the first nut 21 more tightening the second nut 22
Locking, the present embodiment, which is the taper surface 2211 promoted on voussoir 221 described in anti-loosing effect, can also be further coated with locking layer
2212, locking layer 2212 can be very thin one layer of rubber layer or other can be locking coating.
Between above-mentioned second nut 22 and voussoir 221 can realize it is above-mentioned and around activity, can be slided with dynamic voussoir
The specific connection structure of effect, structure is disclosed directly below in the present embodiment, and second nut 22 includes the nut sheet being arranged concentrically
Body 222 and voussoir loose slot 223, the voussoir loose slot 223 are made of annular sidewall 2231 and annular ring 2232, the annular
For a side of side wall 2231 along being connected on nut body 222, the outer edge of annular ring 2232 connects annular sidewall 2231
Other side edge, annular sidewall 2231 described in this implementation and annular ring 2232 can be structure as a whole logical with nut body 222
Cross mechanical rivet molding either riveted connection or the annular sidewall between the annular sidewall 2231 and nut body 222
Riveted connects between 2231 and annular ring 2232, preferably uses the structure setting for facilitating the manufacturing.
And the voussoir 221 is L-type structure, an arm of L-type structure constitutes the taper surface 2211 of the voussoir 221,
In another arm inserted wedge loose slot 223, in this way when the second nut 22 is screwed on shank of bolt 12, inserted wedge loose slot
Another arm in 223 can be caught on and smooth around activity in voussoir loose slot 2233 by annular ring 2232, not interfere with the
The rotation of two nuts 22 is slided when also can be achieved with following the second nut 22 elastic in this way, is not screwed to also in the second nut 22
When on shank of bolt 12, such voussoir 221 may be easy the abjection out of voussoir loose slot 223, therefore the two can be separated first,
It will be caught in 221 inserted wedge loose slot 223 of voussoir again when the second nut 22 will be screwed on shank of bolt 12 while being embedded in wedge
In block slot 121 and the second nut 22 is screwed togather, may somewhat be bothered in this way, therefore also voussoir 221 can directly be passed through anticreep
The structure setting gone out is in voussoir loose slot 223, and as illustrated in the drawing, voussoir can be blocked by being convexly equipped on the nut body 222
The restriction of 221 Anti-extrusions can be equipped with along 2221, the voussoir 221 for limiting the notch 2213 along 2221 insertions.
Above-mentioned washer 3 is further setting, can locking and dispersion pressure, the fastening bolt pair of above structure use
Mode can be seen that by advantageous effect part and the above, just not repeat here.
Above-described embodiment and schema are only to disclose the product form and formula of example structure and non-limiting the utility model
Sample, the appropriate changes or modifications that any person of an ordinary skill in the technical field does it all should be regarded as not departing from this reality
With novel patent category.
Claims (8)
1. a kind of fastening nut, it is characterised in that：Including nut body and relatively circular can be movably arranged on nut body
The outside one side of voussoir, the voussoir is taper surface.
2. a kind of fastening nut as described in claim 1, it is characterised in that：Voussoir work has been arranged concentrically on the nut body
Dynamic slot, the voussoir loose slot are made of annular sidewall and annular ring, and a side edge of the annular sidewall is connected to nut sheet
On body, the other side edge of the outer edge connection annular sidewall of annular ring, the voussoir is L-type structure, L-type structure
One arm constitutes the taper surface of the voussoir, in another arm inserted wedge loose slot.
3. a kind of fastening nut as claimed in claim 2, it is characterised in that：Voussoir can be blocked by being convexly equipped on the nut body
The restriction edge of Anti-extrusion.
4. a kind of fastening nut as claimed in claim 3, it is characterised in that：The voussoir, which is equipped with, to be lacked for limiting along embedded
Mouthful.
5. a kind of fastening nut as described in claim 2-4 any one, it is characterised in that：The annular sidewall and annular ring
It is structure as a whole with nut body.
6. a kind of fastening nut as described in claim 2-4 any one, it is characterised in that：The annular sidewall and nut sheet
Riveted connects between body.
7. a kind of fastening nut as described in claim 2-4 any one, it is characterised in that：The annular sidewall and annular ring
Between riveted connect.
8. a kind of fastening nut as described in claim 1-4 any one, it is characterised in that：Taper surface on the voussoir applies
It is covered with locking layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820006108.5U CN207814186U (en) | 2018-01-02 | 2018-01-02 | A kind of fastening nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820006108.5U CN207814186U (en) | 2018-01-02 | 2018-01-02 | A kind of fastening nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207814186U true CN207814186U (en) | 2018-09-04 |
Family
ID=63329012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820006108.5U Expired - Fee Related CN207814186U (en) | 2018-01-02 | 2018-01-02 | A kind of fastening nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207814186U (en) |
-
2018
- 2018-01-02 CN CN201820006108.5U patent/CN207814186U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |