CN107654475A - Stop nut and locking fastening assembly - Google Patents
Stop nut and locking fastening assembly Download PDFInfo
- Publication number
- CN107654475A CN107654475A CN201711004049.4A CN201711004049A CN107654475A CN 107654475 A CN107654475 A CN 107654475A CN 201711004049 A CN201711004049 A CN 201711004049A CN 107654475 A CN107654475 A CN 107654475A
- Authority
- CN
- China
- Prior art keywords
- coil portion
- stop nut
- chamber
- coil
- jut
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims abstract description 14
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
Abstract
The present invention relates to a kind of stop nut, including：Spiral spring piece, with first coil portion adjacent to each other and the second coil portion, first coil portion is less than the second coil portion on radial dimension, the free end of first coil portion has the jut to extend radially outwardly, the wire rod of first coil portion is by circularly screw winding, and the wire rod of the second coil portion by screw winding in polygon；And cylinder, its both ends is unlimited, between its ends between formed with the accommodating chamber for accommodating screw thread spring part, 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 portion and is configured to the second coil portion match in shape, limiting section is provided with the side wall of accommodating chamber, jut is extend into the limiting section, jut is circumferentially movable along cylinder, and the circumferential movement of jut is limited in the spatial dimension limited by limiting section.The stop nut improves the anti-loose problem in nut fastening, easily disassembled and higher without using specific purpose tool, removal efficiency.
Description
Technical field
The present invention relates to a kind of anti-loose fastener, in particular to stop nut.
Background technology
It is a large amount of in a device to realize connection using threaded fastener in fields such as automobile, Aero-Space and track traffics,
But for high intensity shock loading and alternate load 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, wastes time and energy, causes work to be imitated
Rate is low.
The content of the invention
For the drawbacks described above of prior art, the present invention provides a kind of stop nut, including：Spiral spring piece, there are that
This adjacent first coil portion and the second coil portion, first coil portion are less than the second coil portion, first coil on radial dimension
The free end in portion has the jut to extend radially outwardly, and the wire rod of first coil portion is by circularly screw winding, the second line
The wire rod in circle portion by screw winding in polygon；And cylinder, its both ends is unlimited, between its ends between formed with receiving
The accommodating chamber of screw thread spring part, accommodating chamber include the first chamber and the second chamber, and the second chamber is more than the first chamber on radial dimension, and first
Coil portion is contained in the first chamber, the second chamber accommodate the second coil portion and be configured in shape with the second coil portion phase
To match somebody with somebody, limiting section is provided with the side wall of accommodating chamber, jut is extend into limiting section, and jut is circumferentially movable along cylinder, and
The circumferential movement of jut is limited in the spatial dimension limited by limiting section.
Further, limiting section is formed in the side wall of the first chamber.
Further, limiting section is configured to the recess formed in side wall, and jut stretches into recess, and spatial dimension is by recessed
Portion limits.
Further, limiting section is configured to the open slot formed in side wall, and jut stretches into open slot, spatial dimension
Limited by open slot.
Further, limiting section is configured to two projections formed in side wall, two projections phase in cylinder circumference
Pair and be spaced apart, jut is blocked between two projections, and spatial dimension is limited between two projections.
Further, the coil of first coil portion and/or the second coil is wound isometrically.
Further, the end coil that the free end of the second coil portion is located at relative to the second coil portion a part of line
Circle is oppositely wound.
Further, the end coil where the free end of the second coil portion is winding to the direction first of its adjacent windings
The side of coil portion.
Further, diametrically there is gap between the second coil portion and first coil portion.
Further, the second coil portion and first coil portion are tangent.
Further, the second coil portion and first coil portion are coaxial lines.
Further, polygon is regular polygon.
Further, regular polygon is regular hexagon.
Further, stop nut includes being located at the spring maintaining part of the openend for being adjacent to the second chamber of cylinder, spring
Maintaining part is used to spiral spring piece being 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 portion.
Further, flange extends radially inwardly from the inward flange of openend.
Further, stop nut includes the multiple flanges circumferentially set at interval.
The present invention also provides a kind of locking fastening assembly, including bolt and above-mentioned stop nut, and bolt is passed through and is arranged in
Spiral spring piece in accommodating chamber is threadedly engaged with stop nut.
It is an object of the present invention to improve anti-loose under the shock loading and alternate load of high intensity of nut to ask
Topic；
It is another object of the present invention to cause stop nut to be easier to disassemble from bolt, and without using special
It is higher with instrument, removal efficiency.
A further object of the present invention is during stop nut is dismantled, to reduce to spiral spring piece therein
Damage risk.
Another object of the present invention is to enable stop nut to be applied to large batch of machine installing/dismounting, improved
Ensure the uniformity of product installation while efficiency.
By referring to the drawings to the present invention exemplary embodiment be described in detail, further feature of the invention and
Its advantage will be made apparent from.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 shows the schematic diagram of the spiral spring piece 1 of the stop nut according to the present invention；
Fig. 2 shows the upward view of the spiral spring piece 1 shown in Fig. 1；
Fig. 3 shows the sectional view of the cylinder 2 of the stop nut according to the present invention；
Fig. 4 shows to be installed to cylinder in the stop nut assembled under state, wherein spiral spring piece 1 according to the present invention
In body 2；
Fig. 5 shows the sectional view of the stop nut assembled shown in Fig. 4；
Fig. 6 shows that stop nut and bolt install the locking fastening assembly formed afterwards.
Reference：1st, spiral spring piece；2nd, cylinder；3rd, bolt；11st, first coil portion；12nd, the second coil portion；13rd, dash forward
The portion of rising；21st, the first chamber；22nd, the second chamber；23rd, limiting section；24th, side wall；25th, flange.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are in no development creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation or position shown in the drawings and closed
System, it is for only for ease of the description present invention and simplifies description, in the case where not making opposite explanation, these nouns of locality do not indicate that
There must be specific orientation with the device or element for implying meaning or with specific azimuth configuration and operation, therefore can not manage
Solve as limiting the scope of the invention；The noun of locality " inside and outside " refer to relative to each part in itself inside and outside.As without separately
Statement, above-mentioned word do not have particular meaning, therefore it is not intended that limiting the scope of the invention.
In order to improve in the prior art, the present invention provides a kind of stop nut, below in conjunction with accompanying drawing 1-6 to the present invention's
Stop nut is described in detail.
As shown in figure 1, according to one embodiment of present invention, stop nut includes spring part 1, the wire rod quilt of spring part 1
It is helically wrapped, spring part 1 has the coil portion 12 of first coil portion 11 and second.The coil portion 12 of first coil portion 11 and second that
This is adjacent and connected and includes multiple spiral windings.First coil portion 11 is less than the second coil portion on radial dimension
12 so that, first coil portion 11 is located at the inner side of the second coil portion 12 in spiral spring piece 1 radially.
In one embodiment of the invention, the radial dimension of first coil portion 11 is slightly less than the spiral shell to be screwed into stop nut
The screw thread radial dimension of bolt 3, the radial dimension of the second coil portion 12 are more than the screw thread radial ruler of the bolt 3 to be screwed into stop nut
It is very little.
The free end of first coil portion 11 has the jut 13 to extend radially outwardly, and jut 13 protrudes from first coil
The coil in 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 portion 12 by
Polygon ground screw winding.
The polygon includes triangle, quadrangle etc..Preferably, the polygon is regular polygon, such as square, five
Side shape, hexagon etc..
In one embodiment of the invention, the polygonal coil of the second coil portion 12 can be with the circle of first coil portion
Coil is tangent, can also be with the circular coil interval certain interval of first coil portion 11.
In one embodiment of the invention, the coil of first coil portion 11 is isometrical the coil of second coil portion 12
Can also be isometrical.
In one embodiment of the invention, as shown in Fig. 2 the end coil that the free end of the second coil portion 12 is located at
Oppositely wound relative to a part of coil of the second coil portion 12 so that the coil of the second coil portion 12 is overlapping on part
, so can be in the case where ensuring that the number of coils is enough, the height of reduction spiral spring piece 1 so that its compact dimensions.
In one embodiment of the invention, the end coil where the free end of the second coil portion 12 be winding to against
The side towards first coil portion 11 of adjacent windings.
As shown in figure 3, according to one embodiment of present invention, stop nut includes cylinder 2, and the both ends of cylinder 2 are open
, hollow accommodating chamber is formed between its ends between, and for accommodating the accommodating chamber of screw thread spring part 1, cylinder 2 is in accommodating chamber
Lower section is additionally provided with screwed hole, is engaged for the screw flight with 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 portion 12, the shape of the second chamber 22 are disposed with second chamber 22
Shape is configured to match with the shape of second coil portion 12, so when the second coil portion 12 is arranged in the second chamber 22
When, because the second coil portion 12 matches with the second chamber 22 in shape, so the second coil portion 12 will not be with insertion nut
Screw rod rotation and rotate.
In addition, formed with limiting section 23 in the side wall 24 of accommodating chamber, the jut 13 of first coil portion 11 extend into spacing
In portion 23.When screw rod 3 screws in stop nut, screw rod 3 can sequentially pass through the coil portion 12 of first coil portion 11 and second.First Line
Circle portion 11 can be wrapped on screw flight, have gap between the second coil portion 12 and screw rod 3.When screw rod 3 is threaded in or out
During one coil portion 11, the free end of first coil portion 11 can move in the circumferential direction with the rotation of screw rod 3, then jut 13 can edge
The circumference for cylinder 2 is mobile.
Because jut 13 is stretched into limited section 23, therefore the circumference movement of jut 13 is limited in by limiting section 23
In spatial dimension, limiting section 23 has a preset length in cylinder circumference, and the jut 13 of first coil portion 11 can be
Moved in the range of this preset length along the circumference of cylinder 2.
In an embodiment of the invention, limiting section 23 is located in the side wall 24 of the first chamber 21, can also be located at the second chamber
In 22 side wall 24.
In one embodiment of the invention, limiting section 23 is configured to the recess formed in side wall 24, and recess is from side
Wall 24 is radially outward recessed, and jut 23 extend into recess and can moved in recess inner circumferential.
In one embodiment of the invention, limiting section 23 is configured to the open slot formed in side wall, jut 23
Open slot is stretched into, open slot can be that elongated, circular or ellipse, jut 23 can move in open slot inner circumferential
It is dynamic.
In one embodiment of the invention, limiting section 23 is configured to two projections formed in side wall 24, two
Projection is relative and arranged spaced apart in cylinder circumference, and jut 23 extend between two projections and stopped by projection, so as to
Can circumferentially it be moved between two projections.
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
Openend, spring maintaining part be used for keep the second coil portion 12, prevent spiral spring piece 1 from accommodating chamber deviate from.
In one embodiment of the invention, spring maintaining part 25 includes flange, and the flange is extended in the second chamber 22, position
In the upside of the second coil portion 12.Alternatively, flange 25 extends radially inwardly from the inward flange of openend, can also be from the second chamber
22 side wall 24 extends radially inwardly.
In one embodiment of the invention, the quantity of flange 25 is multiple that multiple flanges 25 circumferentially turn up the soil by spacing
Arrangement, preferably equally spacedly.
As 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 is installed on bolt 3, stop nut 6 turns clockwise in the presence of external force, bolt 3 from
Lower section screws in stop nut, can initially pass through first coil portion 11 and be subsequently passed through the second coil portion 12.As bolt 3 gradually screws in the
In one coil portion 11, the coil positioned at the free end of first coil portion 11 can also rotate clockwise necessarily with the rotation of screw rod
Angle, jut 13 are circumferentially moved a certain distance in limiting section 23 along cylinder, and the circumferential lengths of limiting section 23 are configured to
Jut 13 is allowed circumferentially to be moved along cylinder without stopping it when bolt 3 screws in.This assures First Line
Circle portion 11 is not damaged when nut is tightened.
When stop nut is pulled down from bolt 3, stop nut rotate counterclockwise in the presence of external force, helical spring
The first coil portion 11 of part 1 can be held tightly on the screw thread of bolt 3, because the second coil portion 12 can remain fixed at 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 jut 13 of first coil portion 11 is abutted together with it.
Limiting section 23 can apply active force in first coil portion 11 so that and first coil portion 11 can rotate together with stop nut,
So as to not hold bolt 3 tightly yet further.Which ensures that the first coil portion 11 in spiral spring piece 1 keeps predetermined resistance
In the case of stop nut is disassembled from bolt 3.In unloading process, common instrument need to be only used to complete locking
The dismounting of nut, without specific purpose tool.
Fig. 6 shows a kind of locking fastening assembly, and the locking fastening assembly includes bolt 3 (its nut is not shown) and above-mentioned
Stop nut, bolt 3 screws in the barrier part 2 of stop nut, is first combined, then passes through with the threaded portion of barrier part 2 from below
First coil portion 11, first coil portion 11 are wrapped on screw flight, are subsequently passed through the second coil portion 12.
The exemplary embodiment of the present invention is these are only, is not intended to limit the invention, it is all in the spiritual and former of the present invention
Within then, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (18)
1. a kind of stop nut, including：Spiral spring piece (1), there is first coil portion (11) and the second coil adjacent to each other
Portion (12), the first coil portion (11) are less than second coil portion (12), the first coil portion on radial dimension
(11) free end has the jut (13) to extend radially outwardly, and the wire rod of the first coil portion (11) is by circularly spiral shell
Circumvolution is around the wire rod of second coil portion (12) by screw winding in polygon；And cylinder (2), its both ends are unlimited
, between its ends between formed with the accommodating chamber for accommodating the screw thread spring part (1), the accommodating chamber include the first chamber (21) and
Second chamber (22), second chamber (22) are more than first chamber (21) on radial dimension, and first coil portion (11) is contained in
In first chamber (21), second chamber (22) accommodate second coil portion (12) and be configured in shape with institute
State the second coil portion (12) to match, limiting section (23), the jut (13) are provided with the side wall (24) of the accommodating chamber
It extend into the limiting section (23), the jut (13) is circumferentially movable along the cylinder, and the jut (13)
Circumferential movement is limited in the spatial dimension limited by the limiting section (23).
2. stop nut according to claim 1, it is characterised in that the limiting section (23) is formed in first chamber
(21) in side wall (24).
3. stop nut according to claim 1, it is characterised in that the limiting section (23) is configured in the side wall
(24) recess formed on, the jut (23) stretch into the recess, and the spatial dimension is limited by the recess.
4. stop nut according to claim 1, it is characterised in that the limiting section (23) is configured in the side wall
The open slot of upper formation, the jut (13) stretch into the open slot, and the spatial dimension is limited by the open slot.
5. stop nut according to claim 1, it is characterised in that the limiting section (23) is configured in the side wall
Two projections of upper formation, described two projections are relative and spaced apart in the cylinder circumference, and the jut (13) is kept off
Between described two projections, the spatial dimension is limited between described two projections.
6. stop nut according to claim 1, it is characterised in that the first coil portion (11) and/or described second
The coil of coil (12) is wound isometrically.
7. stop nut according to claim 1, it is characterised in that the free end of second coil portion (12) is located at
End coil oppositely wound relative to a part of coil of second coil portion (12).
8. stop nut according to claim 7, it is characterised in that where the free end of second coil portion (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, it is characterised in that second coil portion (12) and the first coil
Diametrically there is gap in portion between (11).
10. stop nut according to claim 1, it is characterised in that second coil portion (12) and the First Line
Circle portion (11) is tangent.
11. stop nut according to claim 1, it is characterised in that second coil portion (12) and the First Line
Circle portion (11) is coaxial line.
12. stop nut according to claim 1, it is characterised in that the polygon is regular polygon.
13. stop nut according to claim 12, it is characterised in that the regular polygon is regular hexagon.
14. stop nut according to claim 1, it is characterised in that be adjacent to described including be located at the cylinder
The spring maintaining part of the openend 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, it is characterised 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 portion (12).
16. stop nut according to claim 15, it is characterised in that inner edge of the flange (25) from the openend
The side wall (24) of edge or second chamber (22) extends radially inwardly.
17. stop nut according to claim 15, it is characterised in that multiple including what is circumferentially set at interval
The flange (25).
18. a kind of locking fastening assembly, including bolt (3) and the locking spiral shell according to any one in 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 stop nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004049.4A CN107654475A (en) | 2017-10-24 | 2017-10-24 | Stop nut and locking fastening assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004049.4A CN107654475A (en) | 2017-10-24 | 2017-10-24 | Stop nut and locking fastening assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107654475A true CN107654475A (en) | 2018-02-02 |
Family
ID=61119608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711004049.4A Pending CN107654475A (en) | 2017-10-24 | 2017-10-24 | Stop nut and locking fastening assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107654475A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561409A (en) * | 2018-07-16 | 2018-09-21 | 四川中伦精密机械有限公司 | Embedding spring formula double anti-loosing nut |
| JP2019203538A (en) * | 2018-05-22 | 2019-11-28 | 大成建設株式会社 | insert |
| CN110566564A (en) * | 2018-06-06 | 2019-12-13 | 株式会社任镇St | Nut assembly and locking device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10122222A (en) * | 1996-10-15 | 1998-05-12 | Shigezo Tatsumi | Self-locking nut with spring |
| CN202182139U (en) * | 2011-07-27 | 2012-04-04 | 东莞市楷模家居用品制造有限公司 | Multilateral glass fiber spring, mattress and pillow |
| CN102826023A (en) * | 2012-08-17 | 2012-12-19 | 宁波双林汽车部件股份有限公司 | Manual automobile-seat back angle adjuster capable of adjusting angle continuously and folding seat back quickly |
| CN204477142U (en) * | 2015-01-22 | 2015-07-15 | 宁波名力弹簧有限公司 | A kind of deformed spring |
| CN105307710A (en) * | 2013-06-14 | 2016-02-03 | 诺和诺德股份有限公司 | Drug delivery device with dual layer spring |
| CN105896141A (en) * | 2016-05-25 | 2016-08-24 | 余剑峰 | Polygonal wire-spring jack and preparation process therefor |
| CN205806189U (en) * | 2016-07-16 | 2016-12-14 | 温州市康华液压有限公司 | Portable stop nut |
| CN206468668U (en) * | 2017-01-13 | 2017-09-05 | 深圳市艺精工五金弹簧有限公司 | A kind of lasting stop nut structure |
| CN207777381U (en) * | 2017-10-24 | 2018-08-28 | 西藏深元投资有限公司 | Stop nut and locking fastening assembly |
-
2017
- 2017-10-24 CN CN201711004049.4A patent/CN107654475A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10122222A (en) * | 1996-10-15 | 1998-05-12 | Shigezo Tatsumi | Self-locking nut with spring |
| CN202182139U (en) * | 2011-07-27 | 2012-04-04 | 东莞市楷模家居用品制造有限公司 | Multilateral glass fiber spring, mattress and pillow |
| CN102826023A (en) * | 2012-08-17 | 2012-12-19 | 宁波双林汽车部件股份有限公司 | Manual automobile-seat back angle adjuster capable of adjusting angle continuously and folding seat back quickly |
| CN105307710A (en) * | 2013-06-14 | 2016-02-03 | 诺和诺德股份有限公司 | Drug delivery device with dual layer spring |
| CN204477142U (en) * | 2015-01-22 | 2015-07-15 | 宁波名力弹簧有限公司 | A kind of deformed spring |
| CN105896141A (en) * | 2016-05-25 | 2016-08-24 | 余剑峰 | Polygonal wire-spring jack and preparation process therefor |
| CN205806189U (en) * | 2016-07-16 | 2016-12-14 | 温州市康华液压有限公司 | Portable stop nut |
| CN206468668U (en) * | 2017-01-13 | 2017-09-05 | 深圳市艺精工五金弹簧有限公司 | A kind of lasting stop nut structure |
| CN207777381U (en) * | 2017-10-24 | 2018-08-28 | 西藏深元投资有限公司 | Stop nut and locking fastening assembly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019203538A (en) * | 2018-05-22 | 2019-11-28 | 大成建設株式会社 | insert |
| JP7107744B2 (en) | 2018-05-22 | 2022-07-27 | 大成建設株式会社 | insert |
| CN110566564A (en) * | 2018-06-06 | 2019-12-13 | 株式会社任镇St | Nut assembly and locking device |
| CN108561409A (en) * | 2018-07-16 | 2018-09-21 | 四川中伦精密机械有限公司 | Embedding spring formula double anti-loosing nut |
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Application publication date: 20180202 |
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