CN113417924A - Lightweight high-strength nut for automobile - Google Patents
Lightweight high-strength nut for automobile Download PDFInfo
- Publication number
- CN113417924A CN113417924A CN202110822885.3A CN202110822885A CN113417924A CN 113417924 A CN113417924 A CN 113417924A CN 202110822885 A CN202110822885 A CN 202110822885A CN 113417924 A CN113417924 A CN 113417924A
- Authority
- CN
- China
- Prior art keywords
- nut
- strength
- dogtooth
- lightweight high
- locating part
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 240000005002 Erythronium dens canis Species 0.000 claims description 14
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000641 cold extrusion Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 244000138939 Ricinodendron heudelotii Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
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- 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
- F16B37/00—Nuts or like thread-engaging members
-
- 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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
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- 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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
-
- 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
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a light-weight high-strength nut for an automobile, which comprises a first nut, a second nut and a limiting piece, wherein the first nut and the second nut are coaxially arranged one above the other and are respectively provided with a first convex tooth and a second convex tooth which limit the rotation of the opposite side along the unscrewing direction independently on the adjacent surfaces, and the limiting piece is respectively connected with the first nut, the second nut and a plate to be connected so as to limit the rotation of the first nut and the second nut along the unscrewing direction simultaneously. According to the anti-loosening device, the first nut and the second nut are respectively in threaded connection with the corresponding external thread sections of the first bolt, and the first convex teeth and the second convex teeth which are arranged on the adjacent surfaces of the first nut and the second nut are mutually limited, so that any nut is prevented from independently rotating along the loosening direction, and the anti-loosening effect is achieved; by adopting the ML08AL cold heading steel material to prepare the first nut and the second nut, the nuts are directly formed by cold extrusion, the strength is high, and the size does not need to be increased to improve the strength.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of nuts, in particular to the technical field of light-weight high-strength nuts for automobiles.
[ background of the invention ]
The nut, i.e. nut, is a part screwed together with a bolt or screw to play a role in fastening, and is divided into carbon steel, stainless steel, nonferrous metals and the like. At present, the automobile axle has a lot of positions to which nuts are applied, such as between the axle shaft and the hub, between the reducer case and the axle housing, between the driven bevel gear and the differential case, and the like. However, the conventional nut for an automotive connecting member is easily loosened and has low connection strength. In addition, if the size of the nut is increased, the weight of the nut is increased, which leads to an increase in the weight of the entire vehicle body, and thus the nut is not suitable for the current trend of weight reduction.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a light-weight high-strength nut for an automobile, which can avoid loosening and has high strength.
In order to achieve the purpose, the invention provides a light-weight high-strength nut for an automobile, which comprises a first nut, a second nut and a limiting piece, wherein the first nut and the second nut are coaxially arranged one above the other, adjacent surfaces of the first nut and the second nut are respectively provided with a first convex tooth and a second convex tooth which limit the rotation of the opposite side along the unscrewing direction independently, and the limiting piece is respectively connected with the first nut, the second nut and a plate to be connected so as to limit the rotation of the first nut and the second nut along the unscrewing direction simultaneously.
Preferably, the first nut is a hexagonal nut, a plurality of first convex teeth are arranged on the bottom surface of the first nut around the first screw hole, the second nut is cylindrical, a plurality of second convex teeth are arranged on the top surface of the second nut around the second screw hole, when the first nut or the second nut rotates along the screwing direction alone, the first convex teeth and the second convex teeth abut against each other for limitation, and when the first nut or the second nut rotates along the screwing direction alone, the first convex teeth and the second convex teeth do not restrict each other.
Preferably, the outer wall of the second nut is provided with an external thread, the limiting part is in a cylindrical shape, the upper section of the inner hole of the limiting part is provided with a hexagonal hole section adapted to the first nut, the lower section of the inner hole of the limiting part is provided with an internal thread section adapted to the external thread, and the limiting part is fixed to one surface of the connecting plate to be connected.
Preferably, the bottom surface of the second nut is provided with a ring body which extends downwards to form the internal thread section.
Preferably, the outer wall of the upper end of the limiting member is provided with a convex edge extending outwards.
Preferably, the convex edge is provided with a plurality of limiting holes.
Preferably, a plurality of elastic sheets are arranged on the inner wall of the limiting hole in a surrounding mode.
Preferably, the free end of the elastic sheet is inclined upwards.
Preferably, the first nut and the second nut are both made of ML08AL cold heading steel materials.
Preferably, the limiting piece is made of ML08AL cold heading steel materials or plastics.
The invention has the beneficial effects that: according to the anti-loosening device, the first nut and the second nut are respectively in threaded connection with the corresponding external thread sections of the first bolt, and the first convex teeth and the second convex teeth which are arranged on the adjacent surfaces of the first nut and the second nut are mutually limited, so that any nut is prevented from independently rotating along the loosening direction, and the anti-loosening effect is achieved; the limiting pieces are arranged to be respectively and simultaneously connected with the first nut, the second nut and the plate to be connected, and the two nuts can be prevented from rotating along the unscrewing direction at the same time, so that the anti-loosening effect is further improved; through arranging the hexagonal hole section and the internal thread section which are communicated with each other in the limiting hole, the limiting piece is respectively connected with the first nut and the second nut, and the distance change adjustment of the first nut and the second nut in the limiting piece is not hindered; the inclined elastic sheet is arranged in the limiting hole, so that a certain backstop effect can be achieved on the second bolt; by adopting the ML08AL cold heading steel material to prepare the first nut and the second nut, the nuts are directly formed by cold extrusion, the strength is high, and the size does not need to be increased to improve the strength.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic view of a lightweight high strength nut for an automobile according to the present invention;
FIG. 2 is an assembly view of a lightweight high strength nut for an automobile according to the present invention;
FIG. 3 is a front view of a first nut of the light weight, high strength nut for an automobile of the present invention;
fig. 4 is a bottom view of a first nut of the light weight high strength nut for an automobile according to the present invention;
FIG. 5 is a front view of a second nut of the light weight, high strength nut for an automobile of the present invention;
FIG. 6 is a plan view of a second nut of the light weight, high strength nut for an automobile of the present invention;
fig. 7 is a plan view of a stopper for a lightweight high-strength nut for an automobile according to the present invention;
fig. 8 is a sectional view of a stopper of a light-weight high-strength nut for an automobile according to the present invention, taken along the direction a-a after an elastic piece is removed.
In the figure: 1-a first nut, 11-a first screw hole, 12-a first convex tooth, 2-a second nut, 21-a second screw hole, 22-a second convex tooth, 23-an external thread, 24-a ring body, 3-a limiting piece, 31-a hexagonal hole section, 32-an internal thread section, 33-a convex edge, 34-a limiting hole, 35-an elastic piece, 4-a first bolt, 5-a to-be-connected plate and 6-a second bolt.
[ detailed description ] embodiments
Referring to fig. 1 to 8, the light-weight high-strength nut for the automobile comprises a first nut 1, a second nut 2 and a limiting piece 3, wherein the first nut 1 and the second nut 2 are coaxially arranged one above the other, adjacent surfaces of the first nut 1 and the second nut 2 are respectively provided with a first convex tooth 12 and a second convex tooth 22 which limit the rotation of the opposite side along the unscrewing direction, and the limiting piece 3 is respectively connected with the first nut 1, the second nut 2 and a plate to be connected 5 so as to limit the rotation of the first nut 1 and the second nut 2 along the unscrewing direction.
First nut 1 is hexagon nut, it is equipped with the first dogtooth 12 of a plurality of to encircle first screw 11 on the bottom surface of first nut 1, second nut 2 is cylindricly, it is equipped with a plurality of second dogtooth 22 to encircle second screw 21 on the top surface of second nut 2 first nut 1 or second nut 2 are alone when rotating along the direction of unscrewing, a plurality of first dogtooth 12 and the restriction of abutting each other of second dogtooth 22 first nut 1 or second nut 2 are alone when rotating along the direction of screwing up, a plurality of first dogtooth 12 and second dogtooth 22 do not restrict each other.
Be equipped with external screw thread 23 on the outer wall of second nut 2, locating part 3 is the tube-shape, the hole upper segment of locating part 3 is equipped with the hexagonal hole section 31 that suits with first nut 1, the hole hypomere of locating part 3 is equipped with the internal thread section 32 that suits with external screw thread 23, locating part 3 is fixed mutually with the one side of treating connecting plate 5.
The bottom surface of the second nut 2 is provided with a ring body 24 which extends downwards from the internal thread section 32.
The outer wall of the upper end of the limiting member 3 is provided with a convex edge 33 extending outwards.
The convex edge 33 is provided with a plurality of limiting holes 34.
A plurality of elastic sheets 35 are arranged on the inner wall of the limiting hole 34 in a surrounding manner.
The free end of the spring 35 is inclined upwards.
The first nut 1 and the second nut 2 are both made of ML08AL cold heading steel materials.
The limiting piece 3 is made of ML08AL cold heading steel materials or plastics.
The working process of the invention is as follows:
firstly, two to-be-connected plates 5 are placed one above the other, and the bottom ends of the screws of the first bolts 4 sequentially penetrate through the prefabricated holes of the two to-be-connected plates 5 from top to bottom. Next, the first nut 1 is inserted into the hexagonal hole section 31 of the limiting member 3, and then the limiting member 3 is held and rotated, so that the first nut 1 is screwed outside the screw of the first bolt 4 until the top surfaces of the limiting member 3 and the first nut 1 are both contacted with the bottom surface of the to-be-connected plate 5 located at the lower layer. Subsequently, the collar body 24 is gripped and turned so that the second nut 2 is screwed onto the shank of the first bolt 4 until it reaches the internal thread 32 and engages the first and second teeth 12, 22. And finally, the bottom end of the screw rod of the second bolt 6 passes through the limiting hole 34 of the limiting part 3 from bottom to top, so as to be in threaded connection with the side hole of the to-be-connected plate positioned at the lower layer.
According to the anti-loosening device, the first nut and the second nut are respectively in threaded connection with the corresponding external thread sections of the first bolt, and the first convex teeth and the second convex teeth which are arranged on the adjacent surfaces of the first nut and the second nut are mutually limited, so that any nut is prevented from independently rotating along the loosening direction, and the anti-loosening effect is achieved; the limiting pieces are arranged to be respectively and simultaneously connected with the first nut, the second nut and the plate to be connected, and the two nuts can be prevented from rotating along the unscrewing direction at the same time, so that the anti-loosening effect is further improved; through arranging the hexagonal hole section and the internal thread section which are communicated with each other in the limiting hole, the limiting piece is respectively connected with the first nut and the second nut, and the distance change adjustment of the first nut and the second nut in the limiting piece is not hindered; the inclined elastic sheet is arranged in the limiting hole, so that a certain backstop effect can be achieved on the second bolt; by adopting the ML08AL cold heading steel material to prepare the first nut and the second nut, the nuts are directly formed by cold extrusion, the strength is high, and the size does not need to be increased to improve the strength.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a lightweight high strength nut for car which characterized in that: including first nut (1), second nut (2) and locating part (3), first nut (1) and second nut (2) are coaxial setting one on the other and be equipped with respectively on the adjacent surface and restrict the other side alone along the direction pivoted first dogtooth (12) and second dogtooth (22) of unscrewing, thereby locating part (3) are connected with first nut (1), second nut (2) and treat connecting plate (5) respectively and restrict first nut (1) and second nut (2) and rotate along the direction of unscrewing simultaneously.
2. The lightweight high-strength nut for automobiles according to claim 1, characterized in that: first nut (1) is hexagon nut, it is equipped with first dogtooth (12) of a plurality of to encircle first screw (11) on the bottom surface of first nut (1), second nut (2) are cylindricly, it is equipped with a plurality of second dogtooth (22) to encircle second screw (21) on the top surface of second nut (2) first nut (1) or second nut (2) are alone when rotating along the direction of unscrewing, a plurality of first dogtooth (12) and second dogtooth (22) are tight restriction each other first nut (1) or second nut (2) are alone when screwing up the direction and rotating, a plurality of first dogtooth (12) and second dogtooth (22) do not restrict each other.
3. The lightweight high-strength nut for automobiles according to claim 2, characterized in that: be equipped with external screw thread (23) on the outer wall of second nut (2), locating part (3) are the tube-shape, the hole upper segment of locating part (3) is equipped with hexagonal hole section (31) that suits with first nut (1), the hole hypomere of locating part (3) is equipped with internal thread section (32) that suits with external screw thread (23), locating part (3) are fixed mutually with the one side of treating connecting plate (5).
4. A light-weight high-strength nut for an automobile according to claim 3, characterized in that: the bottom surface of the second nut (2) is provided with a ring body (24) which extends downwards to form an internal thread section (32).
5. A light-weight high-strength nut for an automobile according to claim 3, characterized in that: the outer wall of the upper end of the limiting piece (3) is provided with a convex edge (33) extending outwards.
6. A light-weight high-strength nut for an automobile according to claim 3, characterized in that: the convex edge (33) is provided with a plurality of limiting holes (34).
7. The lightweight high-strength nut for automobiles according to claim 6, characterized in that: a plurality of elastic sheets (35) are arranged on the inner wall of the limiting hole (34) in a surrounding way.
8. The lightweight high-strength nut for automobiles according to claim 6, characterized in that: the free end of the elastic sheet (35) inclines upwards.
9. The lightweight high-strength nut for automobile according to any one of claims 1 to 8, characterized in that: the first nut (1) and the second nut (2) are both made of ML08AL cold heading steel materials.
10. The lightweight high-strength nut for automobiles according to claim 9, characterized in that: the limiting piece (3) is made of ML08AL cold-heading steel materials or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110822885.3A CN113417924A (en) | 2021-07-21 | 2021-07-21 | Lightweight high-strength nut for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110822885.3A CN113417924A (en) | 2021-07-21 | 2021-07-21 | Lightweight high-strength nut for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113417924A true CN113417924A (en) | 2021-09-21 |
Family
ID=77721425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110822885.3A Pending CN113417924A (en) | 2021-07-21 | 2021-07-21 | Lightweight high-strength nut for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113417924A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB150239A (en) * | 1919-07-17 | 1920-09-02 | Frederick Lewis Hemmer | Improvements in nut locks |
| CN207161927U (en) * | 2017-09-26 | 2018-03-30 | 吉安锐迈管道配件有限公司 | A kind of ring flange |
| WO2019205957A1 (en) * | 2018-04-23 | 2019-10-31 | Xu Songlin | Double-nut threaded joint preventing self-rotation in loosening direction |
| CN110985516A (en) * | 2019-12-30 | 2020-04-10 | 大冶特殊钢有限公司 | Anti-loose bolt and nut |
| CN210440397U (en) * | 2019-08-29 | 2020-05-01 | 海盐盛信标准件有限公司 | Retaining flange nut |
| CN211082519U (en) * | 2019-12-11 | 2020-07-24 | 泉州市泉志轻工机械有限公司 | Locknut assembly |
| CN211737717U (en) * | 2020-03-16 | 2020-10-23 | 扬州君兴车业有限公司 | Lightweight high-strength nut for automobile |
| CN212028292U (en) * | 2020-04-26 | 2020-11-27 | 宁波市众太汽车零部件有限公司 | Anti-loosening fastener |
| CN213331968U (en) * | 2020-08-21 | 2021-06-01 | 三马紧固件(浙江)股份有限公司 | Automobile nut |
-
2021
- 2021-07-21 CN CN202110822885.3A patent/CN113417924A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB150239A (en) * | 1919-07-17 | 1920-09-02 | Frederick Lewis Hemmer | Improvements in nut locks |
| CN207161927U (en) * | 2017-09-26 | 2018-03-30 | 吉安锐迈管道配件有限公司 | A kind of ring flange |
| WO2019205957A1 (en) * | 2018-04-23 | 2019-10-31 | Xu Songlin | Double-nut threaded joint preventing self-rotation in loosening direction |
| CN210440397U (en) * | 2019-08-29 | 2020-05-01 | 海盐盛信标准件有限公司 | Retaining flange nut |
| CN211082519U (en) * | 2019-12-11 | 2020-07-24 | 泉州市泉志轻工机械有限公司 | Locknut assembly |
| CN110985516A (en) * | 2019-12-30 | 2020-04-10 | 大冶特殊钢有限公司 | Anti-loose bolt and nut |
| CN211737717U (en) * | 2020-03-16 | 2020-10-23 | 扬州君兴车业有限公司 | Lightweight high-strength nut for automobile |
| CN212028292U (en) * | 2020-04-26 | 2020-11-27 | 宁波市众太汽车零部件有限公司 | Anti-loosening fastener |
| CN213331968U (en) * | 2020-08-21 | 2021-06-01 | 三马紧固件(浙江)股份有限公司 | Automobile nut |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210921 |
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| RJ01 | Rejection of invention patent application after publication |