CN207777381U - Stop nut and locking fastening assembly - Google Patents
Stop nut and locking fastening assembly Download PDFInfo
- Publication number
- CN207777381U CN207777381U CN201721377638.2U CN201721377638U CN207777381U CN 207777381 U CN207777381 U CN 207777381U CN 201721377638 U CN201721377638 U CN 201721377638U CN 207777381 U CN207777381 U CN 207777381U
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- coil
- stop nut
- chamber
- nut according
- coil part
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Abstract
The utility model is related to a kind of stop nuts, including：Spiral spring piece, with first coil portion adjacent to each other and the second coil part, first coil portion is less than the second coil part on radial dimension, the free end of first coil portion has the protrusion to extend radially outwardly, the wire rod of first coil portion is by circularly screw winding, and the wire rod of the second coil part is by polygon screw winding；And cylinder, its both ends is unlimited, it is formed with the accommodating chamber for accommodating spiral spring piece between its ends between, it is adjacent to accommodating chamber in cylinder and is equipped with one section of threaded hole, accommodating chamber includes the first chamber and the second chamber, second chamber is more than the first chamber on radial dimension, first coil portion is contained in the first chamber, second chamber accommodates the second coil part and is configured to match with the second coil part in shape, limiting section is equipped on the side wall of accommodating chamber, protrusion is extend into limiting section, and protrusion is circumferentially movable along cylinder.
Description
Technical field
The utility model is related to a kind of anti-loose fasteners, in particular to stop nut.
Background technology
In fields such as automobile, aerospace and rail traffics, largely connection is realized using threaded fastener in a device,
But for the shock loading and alternating load of high intensity in the case of, the anti-loose problem long-term existence of threaded fastener is existing
Some anti-loose structures are complicated, and dismounting is complicated and must use specific purpose tool, and dismounting is inconvenient, time-consuming and laborious, and work is caused to be imitated
Rate is low.
Utility model content
For the drawbacks described above of the prior art, the utility model provides a kind of stop nut, including：
Spiral spring piece has first coil portion adjacent to each other and the second coil part, and first coil portion is in radial dimension
Upper to be less than the second coil part, the free end of first coil portion has the protrusion to extend radially outwardly, the wire rod of first coil portion
By circularly screw winding, the wire rod of the second coil part is by polygon screw winding；And
Cylinder, both ends are unlimited, and the accommodating chamber for accommodating spiral spring piece are formed between its ends between, in cylinder
It is adjacent to the accommodating chamber and is equipped with one section of threaded hole, accommodating chamber includes the first chamber and the second chamber, and the second chamber is big on radial dimension
In the first chamber, first coil portion is contained in the first chamber, the second chamber accommodate the second coil part and be configured in shape with
Second coil part matches, and limiting section is equipped on the side wall of accommodating chamber, and protrusion is extend into limiting section, and protrusion is along cylinder
It is circumferential movable, and the circumferential movement of protrusion is limited in the spatial dimension limited by limiting section.
Further, limiting section is formed on the side wall of the first chamber.
Further, limiting section is configured to the recess portion formed on side wall, and protrusion stretches into recess portion, and spatial dimension is by recessed
Portion limits.
Further, limiting section is configured to the open slot formed on side wall, and protrusion stretches into open slot, spatial dimension
It is limited by open slot.
Further, limiting section is configured to formed on side wall two protrusions, and two protrusions are in the circumferentially upper phase of cylinder
Pair and be spaced apart, protrusion is blocked between two protrusions, and spatial dimension is limited between two protrusions.
Further, the coil of first coil portion and/or the second coil is wound isometrically.
Further, a part of line of the end coil that the free end of the second coil part is located at relative to the second coil part
Circle is oppositely wound.
Further, the end coil where the free end of the second coil part is winding to the direction first of its adjacent windings
The side of coil part.
Further, there is gap radially between the second coil part and first coil portion.
Further, the second coil part and first coil portion are tangent.
Further, the second coil part and first coil portion are coaxial lines.
Further, polygon is regular polygon.
Further, regular polygon is regular hexagon.
Further, stop nut includes the spring maintaining part for the open end for being adjacent to the second chamber for being located at cylinder, spring
Maintaining part is for spiral spring piece to be maintained in accommodating chamber.
Further, spring maintaining part includes the flange extended in the second chamber, and flange is located at the upside of the second coil part.
Further, flange is extended radially inwardly from the inward flange of open end.
Further, stop nut includes the multiple flanges being circumferentially arranged at interval.
The utility model also provides a kind of locking fastening assembly, including bolt and above-mentioned stop nut, and bolt passes through cloth
The spiral spring piece set in accommodating chamber is threadedly engaged with stop nut.
One purpose of the utility model is that improvement nut is locking under the shock loading and alternating load of high intensity
De- problem；
Another purpose of the utility model is so that stop nut is easier to dismantle, and without using specific purpose tool,
And removal efficiency higher.
Another purpose of the utility model is during dismantling stop nut, to reduce to spiral bullet therein
The damage risk of spring part.
The further object of the utility model is to enable stop nut to be suitable for large batch of machine installing and dismounting,
Ensure the consistency of product installation while improving efficiency.
By the way that the exemplary embodiment of the utility model is described in detail referring to the drawings, the utility model its
Its feature and its advantage will become apparent.
Description of the drawings
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, other drawings may also be obtained based on these drawings.
Fig. 1 shows the schematic diagram of the spiral spring piece 1 of stop nut according to the present utility model；
Fig. 2 shows the upward views of spiral spring piece 1 shown in FIG. 1；
Fig. 3 shows the sectional view of the cylinder 2 of stop nut according to the present utility model；
Fig. 4 shows according to the present utility model in the stop nut assembled under state, the wherein installation of spiral spring piece 1
Into cylinder 2；
Fig. 5 shows the sectional view of assembled stop nut shown in Fig. 4；
Fig. 6 shows that stop nut and bolt install the locking fastening assembly formed later.
Reference numeral：1, spiral spring piece；2, cylinder；3, bolt；11, first coil portion；12, the second coil part；13, it dashes forward
The portion of rising；21, the first chamber；22, the second chamber；23, limiting section；24, side wall；25, flange.
Specific implementation mode
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.It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to this practicality
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
There is the every other embodiment carried out and obtained under the premise of creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality
Do not indicate that and imply that signified device or element must have a particular orientation or with specific azimuth configuration and operation, because
This should not be understood as the limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to relative in each component itself
Outside.Such as without Stated otherwise, there is no particular meanings for above-mentioned word, therefore should not be understood as to scope of protection of the utility model
Limitation.
In order to improve in the prior art, the utility model provides a kind of stop nut, below in conjunction with attached drawing 1-6 to this reality
It is described in detail with novel stop nut.
As shown in Figure 1, one embodiment according to the present utility model, stop nut includes spring part 1, the line of spring part 1
Material is helically wrapped, and spring part 1 has first coil portion 11 and the second coil part 12.First coil portion 11 and the second coil
Portion 12 is adjacent to each other and connected and includes multiple spiral windings.First coil portion 11 is less than the second line on radial dimension
Circle portion 12 so that spiral spring piece 1 radially, first coil portion 11 is located at the inside of the second coil part 12.
In one embodiment of the utility model, the radial dimension of first coil portion 11 is slightly less than to be screwed into stop nut
Bolt 3 screw thread radial dimension, the radial dimension of the second coil part 12 is more than the threading path of the bolt 3 to be screwed into stop nut
To size.
There is the protrusion 13 to extend radially outwardly, protrusion 13 to protrude from First Line for the free end of first coil portion 11
The coil in circle portion 11.
As shown in Fig. 2, the wire rod of first coil portion 11 is by circularly screw winding, the wire rod of the second coil part 12 by
Polygon ground screw winding.
The polygon includes triangle, quadrangle etc..Preferably, which is regular polygon, such as square, five
Side shape, hexagon etc..
In one embodiment of the utility model, the polygonal coil of the second coil part 12 can be with first coil portion 11
Circular coil it is tangent, can also be with the circular coil interval certain interval of first coil portion 11.
In one embodiment of the utility model, the coil of first coil portion 11 be it is isometrical, the second coil part 12
Coil can also be isometrical.
In one embodiment of the utility model, as shown in Fig. 2, the end that the free end of the second coil part 12 is located at
Coil is oppositely wound relative to a part of coil of the second coil part 12 so that the coil of the second coil part 12 is on part
Overlapping, it can reduce the height of spiral spring piece 1 so that its size is tight in the case where ensuring that the number of coils is enough in this way
It gathers.
In one embodiment of the utility model, the end coil where the free end of the second coil part 12 is winding to
Abut against the side towards first coil portion 11 of adjacent windings.
As shown in figure 3, one embodiment according to the present utility model, stop nut includes cylinder 2, and the both ends of cylinder 2 are
Open, hollow accommodating chamber is formed between its ends between, and the accommodating chamber for accommodating spiral spring piece 1, cylinder 2 is accommodating
Threaded hole is additionally provided with below chamber, for being engaged with the screw flight for screwing in stop nut.
Accommodating chamber includes the first chamber 21 and the second chamber 22, and the second chamber 22 is more than the first chamber 21 on radial dimension.First Line
Circle portion 11 is mounted in first chamber 21, and second coil part 12, the shape of the second chamber 22 are disposed in second chamber 22
Shape is configured to match with the shape of second coil part 12, in this way when the second coil part 12 is arranged in the second chamber 22
When middle, since the second coil part 12 matches with the second chamber 22 in shape, so the second coil part 12 will not be anti-with being inserted into
The rotation of the screw rod 3 of loose nut and rotate.
In addition, being formed with limiting section 23 on the side wall 24 of accommodating chamber, the protrusion 13 of first coil portion 11 extend into limit
In portion 23.When screw rod 3 screws in stop nut, screw rod 3 can sequentially pass through first coil portion 11 and the second coil part 12.First
Coil part 11 can be wrapped on screw flight, have gap between the second coil part 12 and screw rod 3.When screw rod 3 is threaded in or out
When first coil portion 11, the free end of first coil portion 11 can be moved in the circumferential direction with the rotation of screw rod 3, then protrusion 13
It can be moved along the circumferential direction of cylinder 2.
Since protrusion 13 stretches into limited section 23, the circumferential direction movement of protrusion 13 is limited in by limiting section 23
In spatial dimension, limiting section 23 has a preset length in cylinder circumferential direction, and the protrusion 13 of first coil portion 11 can be
It is moved along the circumferential direction of cylinder 2 in the range of this preset length.
In the utility model one embodiment, limiting section 23 is located on the side wall 24 of the first chamber 21, can also be located at
On the side wall 24 of two chambers 22.
In one embodiment of the utility model, limiting section 23 is configured to the recess portion formed on side wall 24, recess portion
Radially outward it is recessed from side wall 24, protrusion 23 extend into recess portion and can be moved in recess portion internal circumferential.
In one embodiment of the utility model, limiting section 23 is configured to the open slot formed on side wall, protrusion
Portion 23 stretches into open slot, and open slot can be elongated, round or ellipse, and protrusion 23 can be in open slot inner circumferential
It is mobile.
In one embodiment of the utility model, limiting section 23 is configured to formed on side wall 24 two protrusions,
Two protrusions are circumferentially upper opposite and arranged spaced apart in cylinder, and protrusion 23 extend between two protrusions and stopped by protrusion,
So as to circumferentially be moved between two protrusions.
As shown in figure 4, cylinder 2 includes spring maintaining part 25, what spring maintaining part 25 was located at cylinder is adjacent to the second chamber 22
Open end, spring maintaining part for keep the second coil part 12, prevent spiral spring piece 1 from accommodating chamber deviate from.
In one embodiment of the utility model, spring maintaining part 25 includes flange, which extends to the second chamber 22
In, it is located at the upside of the second coil part 12.Optionally, flange 25 is extended radially inwardly from the inward flange of open end, can also be from
The side wall 24 of second chamber 22 extends radially inwardly.
In one embodiment of the utility model, the quantity of flange 25 is multiple, and multiple flanges 25 are circumferentially spaced
It arranges with opening, preferably equally spacedly.
If Fig. 5 shows the stop nut that spiral spring piece 1 is installed in cylinder 2, Fig. 5's is installed to bolt 3 below
The process of stop nut is described.
When stop nut to be installed on bolt 3, stop nut 6 rotates clockwise under the effect of external force, and bolt 3 is first
The second coil part 12 is then passed through across first coil portion 11.As bolt 3 gradually screws in first coil portion 11, it is located at first
The coil of the free end of coil part 11 also can rotate clockwise certain angle with the rotation of screw rod, and protrusion 13 is in limiting section
It is circumferentially moved a certain distance along cylinder in 23, the circumferential lengths of limiting section 23 are configured to allow protrusion when bolt 3 screws in
It is circumferentially moved along cylinder without stopping it in portion 13.This assures first coil portion 11 not to send out when nut is tightened
Raw damage.
When removing stop nut from bolt 3, stop nut rotates counterclockwise under the effect of external force, helical spring
The first coil portion 11 of part 1 can be held tightly on the screw thread of bolt 3, since the second coil part 12 can be fixed positioned on stop nut
As stop nut rotates together in second chamber 22.With the rotation of stop nut, first coil portion 11 is more and more tightly embraced
The screw thread of bolt 3, until the circumferential edge for being moved to limiting section 23 of the protrusion 13 of first coil portion 11 is resisted against one with it
It rises.Limiting section 23 can apply active force in first coil portion 11 so that first coil portion 11 can together be revolved with stop nut
Turn, to not hold bolt 3 tightly yet further.Which ensures that the first coil portion 11 in spiral spring piece 1 to keep predetermined resistance
Stop nut is disassembled from bolt 3 in the case of power.In disassembly process, it need to only be can be completed using common tool
The dismounting of stop nut is not necessarily to specific purpose tool.
Fig. 6 shows a kind of locking fastening assembly, which includes bolt 3 and above-mentioned stop nut, spiral shell
Bolt 3 screws in the cylinder part 2 of stop nut from below, is first combined with the threaded portion of cylinder part 2, then passes through first coil portion 11,
First coil portion 11 is wrapped on the screw thread of bolt 3, is subsequently passed through the second coil part 12.
The exemplary embodiment that these are only the utility model, is not intended to limit the utility model, all new in this practicality
Within the spirit and principle of type, any modification, equivalent replacement, improvement and so on should be included in the protection of the utility model
Within the scope of.
Claims (18)
1. a kind of stop nut, including：
Spiral spring piece (1) has first coil portion (11) and the second coil part (12) adjacent to each other, the first coil portion
(11) it is less than second coil part (12) on radial dimension, the free end of the first coil portion (11) has radially outward
The protrusion (13) of extension, the wire rod of the first coil portion (11) is by circularly screw winding, second coil part
(12) wire rod is by polygon screw winding；And
Cylinder (2), both ends are unlimited, and are formed with the accommodating chamber for accommodating the spiral spring piece (1) between its ends between,
It is adjacent to the accommodating chamber in the cylinder (2) and is equipped with one section of threaded hole, the accommodating chamber includes the first chamber (21) and the second chamber
(22), second chamber (22) is more than first chamber (21) on radial dimension, and first coil portion (11) is contained in described the
In one chamber (21), second chamber (22) accommodates second coil part (12) and is configured in shape with described second
Coil part (12) matches, and limiting section (23) is equipped on the side wall (24) of the accommodating chamber, and the protrusion (13) extend into
In the limiting section (23), the protrusion (13) is circumferentially movable along the cylinder, and the circumferential fortune of the protrusion (13)
It is dynamic to be limited in the spatial dimension limited by the limiting section (23).
2. stop nut according to claim 1, which is characterized in that the limiting section (23) is formed in first chamber
(21) on side wall (24).
3. stop nut according to claim 1, which is characterized in that the limiting section (23) is configured in the side wall
(24) recess portion formed on, the protrusion (13) stretch into the recess portion, and the spatial dimension is limited by the recess portion.
4. stop nut according to claim 1, which is characterized in that the limiting section (23) is configured in the side wall
The open slot of upper formation, the protrusion (13) stretch into the open slot, and the spatial dimension is limited by the open slot.
5. stop nut according to claim 1, which is characterized in that the limiting section (23) is configured in the side wall
Two protrusions of upper formation, described two protrusions are circumferentially upper opposite and spaced apart in the cylinder, and the protrusion (13) is kept off
Between described two protrusions, the spatial dimension is limited between described two protrusions.
6. stop nut according to claim 1, which is characterized in that the first coil portion (11) and/or described second
The coil of coil part (12) is wound isometrically.
7. stop nut according to claim 1, which is characterized in that the free end of second coil part (12) is located at
End coil oppositely wound relative to a part of coil of second coil part (12).
8. stop nut according to claim 7, which is characterized in where the free end of second coil part (12)
End coil is winding to the side of the direction first coil portion (11) of its adjacent windings.
9. stop nut according to claim 1, which is characterized in that second coil part (12) and the first coil
There is gap in portion radially between (11).
10. stop nut according to claim 1, which is characterized in that second coil part (12) and the First Line
Circle portion (11) is tangent.
11. stop nut according to claim 1, which is characterized in that second coil part (12) and the First Line
Circle portion (11) is coaxial line.
12. stop nut according to claim 1, which is characterized in that the polygon is regular polygon.
13. stop nut according to claim 12, which is characterized in that the regular polygon is regular hexagon.
14. stop nut according to claim 1, which is characterized in that be adjacent to described including be located at the cylinder
The spring maintaining part of the open end of two chambers (22), the spring maintaining part are used to the spiral spring piece (1) being maintained at described
In accommodating chamber.
15. stop nut according to claim 14, which is characterized in that the spring maintaining part includes extending to described the
Flange (25) in two chambers (22), the flange (25) are located at the upside of second coil part (12).
16. stop nut according to claim 15, which is characterized in that inner edge of the flange (25) from the open end
The side wall (24) of edge or second chamber (22) extends radially inwardly.
17. stop nut according to claim 15, which is characterized in that multiple including what is be circumferentially arranged at interval
The flange (25).
18. a kind of locking fastening assembly, including bolt (3) and the locking spiral shell according to any one of claim 1-17
Mother, the bolt (3) pass through the spiral spring piece (1) being arranged in the accommodating chamber to be threadedly engaged with the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377638.2U CN207777381U (en) | 2017-10-24 | 2017-10-24 | Stop nut and locking fastening assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377638.2U CN207777381U (en) | 2017-10-24 | 2017-10-24 | Stop nut and locking fastening assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207777381U true CN207777381U (en) | 2018-08-28 |
Family
ID=63218549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721377638.2U Active CN207777381U (en) | 2017-10-24 | 2017-10-24 | Stop nut and locking fastening assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207777381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654475A (en) * | 2017-10-24 | 2018-02-02 | 西藏深元投资有限公司 | Stop nut and locking fastening assembly |
-
2017
- 2017-10-24 CN CN201721377638.2U patent/CN207777381U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654475A (en) * | 2017-10-24 | 2018-02-02 | 西藏深元投资有限公司 | Stop nut and locking fastening assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200318 Address after: No. 25, North Wuqing Road, Wuhou District, Chengdu, Sichuan 610000 Patentee after: SICHUAN ZHONGLUN PRECISION MACHINERY Co.,Ltd. Address before: The 850000 Tibet autonomous region Lhasa County Industrial Park Administrative Committee Room 301 Patentee before: TIBET SHENYUAN INVESTMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200508 Address after: Room 301, management committee of Dazi Industrial Park, Lhasa City, Tibet Autonomous Region, 850000 Patentee after: TIBET SHENYUAN INVESTMENT Co.,Ltd. Address before: No. 25, North Wuqing Road, Wuhou District, Chengdu, Sichuan 610000 Patentee before: SICHUAN ZHONGLUN PRECISION MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right |