CN111207146A - Anti-loosening nut - Google Patents
Anti-loosening nut Download PDFInfo
- Publication number
- CN111207146A CN111207146A CN202010212180.5A CN202010212180A CN111207146A CN 111207146 A CN111207146 A CN 111207146A CN 202010212180 A CN202010212180 A CN 202010212180A CN 111207146 A CN111207146 A CN 111207146A
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- CN
- China
- Prior art keywords
- nut
- nut piece
- piece
- screw
- positioning
- 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
- 239000007769 metal material Substances 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 48
- 230000002787 reinforcement Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
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
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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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- 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
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The present invention provides a loosening prevention nut, comprising: the first nut piece comprises a first nut piece body and a positioning pin, wherein the positioning pin is made of a metal material, is integrally formed with the first nut piece and is positioned on the end face of the first nut piece; the second nut piece comprises a second nut piece body and a positioning hole, the positioning needle is formed on the second nut piece body and can penetrate through the positioning hole, and one end, penetrating through the positioning hole, of the positioning needle can be bent and overlapped on the end face, deviating from the first nut piece, of the second nut piece; strengthen the gasket, including gasket body and rib, the gasket body sets up between first nut piece and second nut piece, and rib and gasket body integrated into one piece are located the screw department on first nut piece body and the second nut piece originally. The locking nut that moves fastening effect is better, can reduce the not hard up probability of nut, avoids the locking of nut drop not hard up.
Description
Technical Field
The invention belongs to the field of machinery, and particularly relates to an anti-loosening nut.
Background
Bolts, studs and nuts are well known as the most common fasteners used in the mechanical field and belong to the standard parts. In order to facilitate the disassembly and assembly, the bolt (stud) and the nut are usually in clearance fit; however, in practical use, the nut is easy to loose or even fall off due to vibration, which easily causes the mechanical equipment to be incapable of normal operation and even causes accidents.
Therefore, it is necessary to develop a nut with better fastening effect, which can reduce the loosening probability of the nut and prevent the nut from falling off.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a looseness-prevention nut which is better in fastening effect, capable of reducing the probability of nut looseness and capable of preventing the nut from falling off.
In order to achieve the above object, the present invention provides a loosening prevention nut, including: the first nut piece comprises a first nut piece body and a positioning pin, wherein the positioning pin is made of a metal material, is integrally formed with the first nut piece and is positioned on the end face of the first nut piece; the second nut piece comprises a second nut piece body and a positioning hole, the positioning needle is formed on the second nut piece body and can penetrate through the positioning hole, and one end, penetrating through the positioning hole, of the positioning needle can be bent and overlapped on the end face, deviating from the first nut piece, of the second nut piece; strengthen the gasket, including gasket body and rib, the gasket body sets up first nut piece with between the second nut piece, the rib with gasket body integrated into one piece is located first nut piece body with this last screw department of second nut piece.
Preferably, an accommodating groove is formed in the periphery of the second nut piece body, and the positioning needle can be accommodated in the accommodating groove after passing through one end of the positioning hole and being bent.
Preferably, the gasket body is annular, the reinforcing part is fan-shaped, and the arc-shaped end of the fan-shaped part is connected to the inner side of the annular part.
Preferably, the reinforcing part is plural.
Preferably, the anti-loosening nut further includes a bolt adapted to the screw port, and the reinforcement portion is located between the screw of the bolt and the first and second nut piece bodies in a state where the bolt is screwed through the screw ports of the first and second nut piece bodies.
Preferably, the bolt includes: the screw cap is connected with the screw rod; the screw comprises a straight rod part and a variable diameter part, the straight rod part is matched with the screw port, the diameter of the variable diameter part is smaller than that of the straight rod part, and threads opposite to the direction of the straight rod part are formed on the variable diameter part; a reinforcement nut screwed on the diameter-varied portion.
Preferably, the section of the diameter-variable portion along the length direction of the screw is trapezoidal.
Preferably, the anti-loosening nut further comprises: a reinforcing pad and a fastening needle; the reinforcing pad is welded on a workpiece to be fixed, and a first fastening hole is formed in the reinforcing pad; a second fastening hole is formed in one end, close to the screw cap, of the screw; the fastening needle penetrates through the first fastening hole and the second fastening hole.
Preferably, the locking needle is L-shaped.
Preferably, the reinforcing gasket is made of rubber or paper material.
The invention has the beneficial effects that:
1) according to the anti-loosening nut provided by the invention, the reinforcing gasket is arranged between the first nut piece and the second nut piece, when the bolt is screwed to pass through the anti-loosening nut provided by the invention, the reinforcing part of the reinforcing gasket can fill the gap between the bolt and the nut, the probability of loosening of the anti-loosening nut can be reduced, the anti-loosening nut is prevented from falling off, and the safe operation of mechanical equipment is ensured.
2) According to the anti-loosening nut, the first nut piece is connected to the second nut piece through the positioning pin and the positioning hole, so that on one hand, the anti-loosening nut is convenient to assemble and install; on the other hand, can dismantle locking nut that moves, further split first nut piece and second nut piece, then change and strengthen can realize the multiplexing of locking nut that moves behind the gasket, improve utilization ratio.
3) The bolt of the anti-loosening nut provided by the invention comprises the diameter-variable part, the reverse threads are arranged on the diameter-variable part, and the anti-loosening nut can be further prevented from falling off or loosening by screwing the reinforcing nut on the diameter-variable part.
4) The anti-loosening nut further comprises a locking needle and a reinforcing pad, and the locking needle can further prevent the screw from rotating relative to the first nut piece and the second nut piece by means of the screw and the reinforcing pad which are used for preventing the locking needle from running through the bolt, and further prevent the anti-loosening nut from falling off or loosening.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic block diagram of a locking nut according to an embodiment of the invention.
Fig. 2 shows a schematic block diagram of a first nut piece according to an embodiment of the invention.
FIG. 3 shows a schematic block diagram of a reinforcing gasket in accordance with one embodiment of the invention.
Fig. 4 shows an assembled state diagram of the reinforcing gasket and the first nut piece according to one embodiment of the present invention.
Fig. 5 shows a schematic block diagram of a locking nut according to another embodiment of the invention.
Description of reference numerals:
1. a first nut piece; 2. a positioning pin; 3. a second nut piece; 4. a reinforcing gasket; 5. a reinforcing portion; 6. a nut; 7. a straight rod part; 8. a diameter-variable part; 9. a reinforcing nut; 10. a reinforcing pad; 11. fastening the needle; 12. and (5) fixing the workpiece.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The present invention provides a loosening prevention nut, comprising: the first nut piece comprises a first nut piece body and a positioning pin, wherein the positioning pin is made of a metal material, is integrally formed with the first nut piece and is positioned on the end face of the first nut piece; the second nut piece comprises a second nut piece body and a positioning hole, the positioning needle is formed on the second nut piece body and can penetrate through the positioning hole, and one end, penetrating through the positioning hole, of the positioning needle can be bent and overlapped on the end face, deviating from the first nut piece, of the second nut piece; strengthen the gasket, including gasket body and rib, the gasket body sets up first nut piece with between the second nut piece, the rib with gasket body integrated into one piece is located first nut piece body with this last screw department of second nut piece.
According to the anti-loosening nut provided by the invention, the reinforcing gasket is arranged between the first nut piece and the second nut piece, when the bolt is screwed to pass through the anti-loosening nut provided by the invention, the reinforcing part of the reinforcing gasket can fill the gap between the bolt and the nut, the probability of loosening of the anti-loosening nut can be reduced, the anti-loosening nut is prevented from falling off, and the safe operation of mechanical equipment is ensured.
According to the anti-loosening nut, the first nut piece is connected to the second nut piece through the positioning pin and the positioning hole, so that on one hand, the anti-loosening nut is convenient to assemble and install; on the other hand, can dismantle locking nut that moves, further split first nut piece and second nut piece, then change and strengthen can realize the multiplexing of locking nut that moves behind the gasket, improve utilization ratio. Preferably, an accommodating groove is formed in the periphery of the second nut piece body, and the positioning needle can be accommodated in the accommodating groove after passing through one end of the positioning hole and being bent.
Preferably, the gasket body is annular, the reinforcing part is fan-shaped, and the arc-shaped end of the fan-shaped part is connected to the inner side of the annular part.
In this technical scheme, further provide the shape of gasket body and rib, annular gasket body is convenient for produce and process, and sectorial rib is convenient for the shaping.
Preferably, the number of the reinforcing portions is plural.
In this technical scheme, the rib is a plurality of, through the setting of a plurality of ribs, can fill up the gap between bolt and first nut piece and the second nut piece better, further reduces the not hard up probability of locking nut that moves.
Preferably, the anti-loosening nut further comprises a bolt adapted to the screw port, and the reinforcing portion is located between the screw of the bolt and the first and second nut piece bodies in a state where the bolt is screwed through the screw ports of the first and second nut piece bodies.
Preferably, the bolt includes: the screw cap is connected with the screw rod; the screw comprises a straight rod part and a variable diameter part, the straight rod part is matched with the screw port, the diameter of the variable diameter part is smaller than that of the straight rod part, and threads opposite to the direction of the straight rod part are formed on the variable diameter part; a reinforcement nut screwed on the diameter-varied portion.
In the technical scheme, the bolt of the anti-loosening nut comprises the diameter-variable part, the reverse threads are arranged on the diameter-variable part, and the anti-loosening nut can be further prevented from falling off or loosening by screwing the reinforcing nut on the diameter-variable part.
Preferably, the section of the diameter-variable portion along the longitudinal direction of the screw is trapezoidal.
In this technical scheme, further provide the shape of variable diameter portion, be trapezoidal selection through the cross-section, trapezoidal long side direction is close to straight rod portion and sets up for variable diameter portion can adapt to the reinforced nut of different models, the selection and the installation of the reinforced nut of being convenient for.
Preferably, the anti-loosening nut further comprises: a reinforcing pad and a fastening needle; the reinforcing pad is welded on a workpiece to be fixed, and a first fastening hole is formed in the reinforcing pad; a second fastening hole is formed in one end, close to the screw cap, of the screw; the fastening needle penetrates through the first fastening hole and the second fastening hole.
In the technical scheme, the anti-loosening nut further comprises a locking needle and a reinforcing pad, and the locking needle runs through a screw rod and the reinforcing pad of the bolt, so that the screw rod can be further prevented from rotating relative to the first nut piece and the second nut piece, and the anti-loosening nut is further prevented from falling off or loosening.
As a preferred scheme, the locking needle is L-shaped.
In the technical scheme, the shape of the fastening needle is further provided, and the fastening needle is convenient to mount and dismount through the selection of the L shape.
Preferably, the reinforcing pad is made of rubber or paper material.
Example 1
Fig. 1 shows a schematic block diagram of a locking nut according to an embodiment of the invention. Fig. 2 shows a schematic block diagram of a first nut piece according to an embodiment of the invention. FIG. 3 shows a schematic block diagram of a reinforcing gasket in accordance with one embodiment of the invention. Fig. 4 shows an assembled state diagram of the reinforcing gasket and the first nut piece according to one embodiment of the present invention.
As shown in fig. 1 to 4, the anti-loosening nut includes: the first nut piece 1 comprises a first nut piece 1 body and a positioning pin 2, wherein the positioning pin 2 is made of a metal material, is integrally formed with the first nut piece 1, and is positioned on the end face of the first nut piece 1; the second nut piece 3 comprises a second nut piece 3 body and a positioning hole, the positioning needle 2 is formed on the second nut piece 3 body, the positioning needle 2 can penetrate through the positioning hole, and one end, penetrating through the positioning hole, of the positioning needle 2 can be bent and lapped on the end face, deviating from the first nut piece 1, of the second nut piece 3; strengthen gasket 4, including gasket body and rib 5, the gasket body sets up first nut piece 1 with between the second nut piece 3, rib 5 with gasket body integrated into one piece is located first nut piece 1 body with this last screw department of second nut piece 3.
Wherein, the week side of second nut piece 3 body is provided with the holding tank, pilot pin 2 passes can be accomodate after the one end of locating hole is buckled in the holding tank.
The gasket body is annular, the reinforcing part 5 is fan-shaped, and the arc-shaped end of the fan-shaped is connected to the inner side of the ring-shaped.
Wherein the reinforcing part 5 is provided in plurality.
Example 2
Fig. 5 shows a schematic block diagram of a locking nut according to another embodiment of the invention.
As shown in fig. 5, the anti-loosening nut includes: the first nut piece 1 comprises a first nut piece 1 body and a positioning pin 2, wherein the positioning pin 2 is made of a metal material, is integrally formed with the first nut piece 1, and is positioned on the end face of the first nut piece 1; the second nut piece 3 comprises a second nut piece 3 body and a positioning hole, the positioning needle 2 is formed on the second nut piece 3 body, the positioning needle 2 can penetrate through the positioning hole, and one end, penetrating through the positioning hole, of the positioning needle 2 can be bent and lapped on the end face, deviating from the first nut piece 1, of the second nut piece 3; strengthen gasket 4, including gasket body and rib 5, the gasket body sets up first nut piece 1 with between the second nut piece 3, rib 5 with gasket body integrated into one piece is located first nut piece 1 body with this last screw department of second nut piece 3.
Wherein, the week side of second nut piece 3 body is provided with the holding tank, pilot pin 2 passes can be accomodate after the one end of locating hole is buckled in the holding tank.
The gasket body is annular, the reinforcing part 5 is fan-shaped, and the arc-shaped end of the fan-shaped is connected to the inner side of the ring-shaped.
Wherein the reinforcing part 5 is provided in plurality. Preferably, the anti-loosening nut further comprises a bolt adapted to the screw port, and the reinforcement portion 5 is located between the screw of the bolt and the first and second nut pieces 1 and 3 in a state where the bolt is screwed through the screw ports of the first and second nut pieces 1 and 3.
Wherein, the bolt includes: the screw cap 6 is connected with the screw cap 6; the screw comprises a straight rod part 7 and a variable diameter part 8, the straight rod part 7 is adapted to the screw, the diameter of the variable diameter part 8 is smaller than that of the straight rod part 7, and a thread opposite to the direction of the straight rod part 7 is formed on the variable diameter part 8; and a reinforcing nut 9, wherein the reinforcing nut 9 is screwed on the diameter-changing portion 8.
Wherein the section of the diameter-variable portion 8 along the length direction of the screw is trapezoidal.
Wherein, locking nut that moves still includes: a reinforcing pad 10 and a fastening needle 11; the reinforcing pad 4 is welded on a workpiece 12 to be fixed, and the reinforcing pad 10 is provided with a first fastening hole; a second fastening hole is formed in one end, close to the screw cap 6, of the screw; the fastening needle 11 passes through the first fastening hole and the second fastening hole.
Wherein, the locking needle 11 is L-shaped.
Wherein the reinforcing gasket 4 is made of rubber or paper material.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A locking nut, comprising:
the first nut piece comprises a first nut piece body and a positioning pin, wherein the positioning pin is made of a metal material, is integrally formed with the first nut piece and is positioned on the end face of the first nut piece;
the second nut piece comprises a second nut piece body and a positioning hole, the positioning needle is formed on the second nut piece body and can penetrate through the positioning hole, and one end, penetrating through the positioning hole, of the positioning needle can be bent and overlapped on the end face, deviating from the first nut piece, of the second nut piece;
strengthen the gasket, including gasket body and rib, the gasket body sets up first nut piece with between the second nut piece, the rib with gasket body integrated into one piece is located first nut piece body with this last screw department of second nut piece.
2. The lock nut as claimed in claim 1, wherein a receiving groove is provided on a peripheral side of the second nut piece body, and the positioning pin is received in the receiving groove after being bent through one end of the positioning hole.
3. The lock nut as claimed in claim 1, wherein the washer body has a ring shape, the reinforcement portion has a fan shape, and an arc end of the fan shape is connected to an inner side of the ring shape.
4. The lock nut as claimed in claim 1, wherein the reinforcement is plural.
5. The anti-loosening nut as claimed in claim 1, further comprising a bolt adapted to the screw ports, wherein the reinforcing portion is located between a screw of the bolt and the first and second nut plate bodies in a state where the bolt is screwed through the screw ports of the first and second nut plate bodies.
6. The anti-loosening nut as claimed in claim 5, wherein the bolt comprises:
the screw cap is connected with the screw rod;
the screw comprises a straight rod part and a variable diameter part, the straight rod part is matched with the screw port, the diameter of the variable diameter part is smaller than that of the straight rod part, and threads opposite to the direction of the straight rod part are formed on the variable diameter part;
a reinforcement nut screwed on the diameter-varied portion.
7. The lock nut as claimed in claim 6, wherein a cross section of the diameter-varied portion in a length direction of the screw is trapezoidal.
8. The anti-loosening nut as claimed in claim 7, further comprising: a reinforcing pad and a fastening needle;
the reinforcing pad is welded on a workpiece to be fixed, and a first fastening hole is formed in the reinforcing pad; a second fastening hole is formed in one end, close to the screw cap, of the screw; the fastening needle penetrates through the first fastening hole and the second fastening hole.
9. The anti-loosening nut as claimed in claim 8, wherein the fastening pin is L-shaped.
10. The anti-loosening nut as defined in claim 1, wherein the reinforcing washer is made of rubber or paper material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010212180.5A CN111207146A (en) | 2020-03-24 | 2020-03-24 | Anti-loosening nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010212180.5A CN111207146A (en) | 2020-03-24 | 2020-03-24 | Anti-loosening nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111207146A true CN111207146A (en) | 2020-05-29 |
Family
ID=70783710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010212180.5A Pending CN111207146A (en) | 2020-03-24 | 2020-03-24 | Anti-loosening nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111207146A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07229509A (en) * | 1994-02-16 | 1995-08-29 | Kichinosuke Nagashio | Vibration-proof screw |
| CN201610890U (en) * | 2010-02-05 | 2010-10-20 | 浙江杭特容器有限公司 | Screw fastening structure |
| CN102278355A (en) * | 2010-06-08 | 2011-12-14 | 肖长忠 | Novel bolt and nut locking structure |
| JP2014214761A (en) * | 2013-04-23 | 2014-11-17 | 裕 道脇 | Coupling holding member and coupling holding structure |
| CN107447600A (en) * | 2017-09-19 | 2017-12-08 | 芜湖铁路桥梁制造有限公司 | Rail system |
| JP2018048729A (en) * | 2016-09-23 | 2018-03-29 | 良三 太田 | Lock structure of nut fastened to bolt |
| CN207728712U (en) * | 2018-01-02 | 2018-08-14 | 福建泉州市金正机械有限公司 | A kind of lock washer |
| CN109114092A (en) * | 2018-10-22 | 2019-01-01 | 鲁东大学 | A kind of Anti-loosen stop nut |
| CN209494829U (en) * | 2019-01-30 | 2019-10-15 | 姚登元 | A kind of anti-loosening screw connection structure |
| CN211852465U (en) * | 2020-03-24 | 2020-11-03 | 绵阳众智鹏成科技有限公司 | Anti-loosening nut |
-
2020
- 2020-03-24 CN CN202010212180.5A patent/CN111207146A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07229509A (en) * | 1994-02-16 | 1995-08-29 | Kichinosuke Nagashio | Vibration-proof screw |
| CN201610890U (en) * | 2010-02-05 | 2010-10-20 | 浙江杭特容器有限公司 | Screw fastening structure |
| CN102278355A (en) * | 2010-06-08 | 2011-12-14 | 肖长忠 | Novel bolt and nut locking structure |
| JP2014214761A (en) * | 2013-04-23 | 2014-11-17 | 裕 道脇 | Coupling holding member and coupling holding structure |
| JP2018048729A (en) * | 2016-09-23 | 2018-03-29 | 良三 太田 | Lock structure of nut fastened to bolt |
| CN107447600A (en) * | 2017-09-19 | 2017-12-08 | 芜湖铁路桥梁制造有限公司 | Rail system |
| CN207728712U (en) * | 2018-01-02 | 2018-08-14 | 福建泉州市金正机械有限公司 | A kind of lock washer |
| CN109114092A (en) * | 2018-10-22 | 2019-01-01 | 鲁东大学 | A kind of Anti-loosen stop nut |
| CN209494829U (en) * | 2019-01-30 | 2019-10-15 | 姚登元 | A kind of anti-loosening screw connection structure |
| CN211852465U (en) * | 2020-03-24 | 2020-11-03 | 绵阳众智鹏成科技有限公司 | Anti-loosening nut |
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