CN110307232B - Screw capable of preventing loosening - Google Patents
Screw capable of preventing loosening Download PDFInfo
- Publication number
- CN110307232B CN110307232B CN201910595900.8A CN201910595900A CN110307232B CN 110307232 B CN110307232 B CN 110307232B CN 201910595900 A CN201910595900 A CN 201910595900A CN 110307232 B CN110307232 B CN 110307232B
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- China
- Prior art keywords
- screw rod
- locking
- expansion screw
- rod
- fixedly connected
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- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003252 repetitive effect Effects 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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
- F16B13/066—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting a separate expander-part, actuated by the screw, nail or the like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention relates to a screw capable of preventing loosening, which comprises a screw cap, a screw rod, an expansion screw rod, a nut, an expansion screw rod, a locking device, locking saw teeth, a swinging ball, a locking groove, a swinging ball clamping block, a clamping block driving rod, a reset spring, a screw cap side fixing connection screw rod, one end of the screw rod is fixedly connected with the screw cap and the other end of the screw rod is fixedly connected with the expansion screw rod, the connecting part of the screw rod and the expansion screw rod is provided with the locking groove, the inner ring of the groove is provided with the locking saw teeth, the middle of the expansion screw rod is hollow, the expansion screw rod is provided with a gap to separate the expansion screw rod from top to bottom, the expansion screw rod is provided with threads, and the diameter of the expansion screw rod is slightly larger than the inner diameter of the expansion screw rod.
Description
Technical Field
The invention relates to the technical field of screw caps, in particular to a loosening-preventing screw.
Background
The screw is a tool for fastening the parts of the device step by utilizing the physical and mathematical principles of the inclined circular rotation and friction force of the object. Screws are a common way of speaking fasteners, daily spoken words. Screws are an indispensable industrial necessity in daily life: very small screws for use in cameras, spectacles, watches, electronics, etc.; general screws for televisions, electrical products, musical instruments, furniture, and the like; as for engineering, construction and bridge, large-scale screws and nuts are used; traffic tools, airplanes, electric cars, automobiles and the like are used together by the large screws and the small screws. Screws are an important task in industry, and as long as industry exists on earth, the function of the screw is always important. Screws are a common invention in production and life of people for thousands of years, and are the first invention of human beings according to the application field. However, in daily use, especially when the screw is used on some instruments easy to shake, the screw often can loosen, if the instruments are not overhauled for a long time, the screw can loosen and fall off even, so that mechanical failure is caused, and the life safety of operators can be affected more seriously.
Disclosure of Invention
The invention aims to provide a screw capable of preventing loosening, so as to solve the problem that the fixed screw on some frequently-trembling instruments is easy to loosen.
The invention discloses a purpose and an effect of a screw capable of preventing loosening, which are achieved by the following specific technical means:
the utility model provides a prevent screw that loosens, includes nut, screw rod, expansion screw rod, nut, expansion screw rod, locking device, cross bayonet socket, locking sawtooth, pendulum ball, locking recess, pendulum ball fixture block, fixture block transfer line, reset spring, bolt, dowel bar, dead lever, dowel bar bolt, dowel bar, card wheel, dowel bar fixed point, dowel bar spring, the drive hole, nut one side fixed connection screw rod, screw rod one end fixed connection nut and other end fixed connection expansion screw rod, the junction of screw rod and expansion screw rod is equipped with the locking recess, the recess inlayer is equipped with the locking sawtooth, be cavity and expansion screw rod ring in the middle of the expansion screw rod and be equipped with the space and make expansion screw rod upper and lower partition, expansion screw rod internal diameter is equipped with the screw thread, expansion screw rod one end fixed connection locking device and the surface of other end are equipped with cross bayonet socket, expansion screw rod is equipped with the screw thread, expansion screw rod diameter slightly bigger than expansion screw rod's internal diameter.
Further, the right-hand member fixed connection expansion screw rod of screw rod, the right-hand member of screw rod is equipped with locking recess, the inner ring of locking recess is evenly fixed to be equipped with locking sawtooth.
Further, the expansion screw rod is hollow, a gap is formed in the annular wall of the expansion screw rod, the expansion screw rod is vertically spaced, threads are arranged on the inner ring of the expansion screw rod, and the inner diameter of the expansion screw rod is identical to that of the locking groove.
Further, the left end of the expansion screw is fixedly connected with a locking device, threads are arranged on the surface of the locking device, the diameter of the locking device is smaller than that of the expansion screw, and the diameter of the expansion screw is slightly larger than the inner diameter of the expansion screw.
Further, the locking device is internally and movably connected with a swing ball, the left side and the right side of the swing ball are movably connected with swing ball clamping blocks, and the left side and the right side of the swing ball clamping blocks are arc-shaped and clamp the swing ball therein.
Further, pendulum ball fixture block one end swing joint pendulum ball and the other end fixed connection fixture block transfer line, fixed connection reset spring between fixture block transfer line and the pendulum ball fixture block.
Further, the two ends of the diameter of the locking device are provided with transmission holes, the clamping block transmission rod penetrates through the transmission holes and is connected with the dowel bar through a left end bolt, the dowel bar is movably connected with the fixing rod through a fixing rod bolt, and the left end of the fixing rod is connected with the dowel bar through a left end bolt and is fixedly connected with the surface of the locking device.
Further, the catch bar is movably connected to the lower portion of the dowel bar through a catch bar bolt, one end of the catch bar is connected with the dowel bar through a bolt, the other end of the catch bar is connected with the catch wheel in a rotating mode, and the catch wheel is buckled and locked with the saw teeth.
Further, the middle of the locking rod is fixedly connected with a locking rod fixing point, one end of the locking rod spring is fixedly connected with the locking rod fixing point, and the other end of the locking rod spring is fixedly connected with a connecting bolt.
Compared with the prior structure, the invention has the following advantages:
1. according to the invention, due to the design of the expansion screw and the expansion screw, after the nut is screwed into the screw, the expansion screw is screwed into the inner diameter of the expansion screw, and the diameter of the expansion screw is slightly larger than the inner diameter of the expansion screw, so that the periphery of the expansion screw can slightly expand after the expansion screw is screwed into the screw, the nut is difficult to loosen, meanwhile, the nut has inward extrusion force on the expansion screw, and meanwhile, the expansion screw is difficult to loosen.
2. According to the invention, due to the design of the locking device, in the process of shaking a screw, the swing ball in the locking device shakes along with the swing ball, and because the swing ball is clamped by the left and right swing ball clamping blocks, in the process of shaking the swing ball, the force is transmitted to the swing ball clamping blocks to enable the swing ball clamping blocks to move left and right, when the swing ball clamping blocks extrude outwards, the dowel bar is driven to move through the clamping block transmission rod, and the dowel bar is driven to move below the dowel bar because the dowel bar is fixed above the dowel bar, and then the dowel bar drives the dowel bar connected below the dowel bar to extrude and lock the saw teeth, and then the dowel bar is matched with the dowel bar spring, so that the dowel bar can repeatedly stretch, and then the saw teeth are locked through the clamping wheels, so that the locking device keeps one direction to rotate in the process of shaking the screw, and drives the expansion screw to be screwed more tightly, thereby further preventing the nut from loosening.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic illustration of the construction of the various components of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is an internal view of the expansion screw of the present invention;
FIG. 5 is an internal view of the locking device of the present invention;
fig. 6 is an enlarged view of fig. 5 a in accordance with the present invention.
In the figure: 1-screw cap, 2-screw rod, 3-expansion screw rod, 4-nut, 5-expansion screw rod, 6-locking device, 7-cross bayonet, 8-locking sawtooth, 9-pendulum ball, 10-locking groove, 11-pendulum ball fixture block, 12-fixture block transmission rod, 13-return spring, 14-bolt, 15-dowel bar, 16-fixed rod bolt, 17-fixed rod, 18-locking rod bolt, 19-locking rod, 20-clamping wheel, 21-locking rod fixed point, 22-locking rod spring and 23-transmission hole.
Detailed Description
Embodiments of the present invention will be described in detail below, examples of which are illustrated in the accompanying drawings and described below. While the invention will be described in conjunction with the exemplary embodiments, it will be understood that the description is not intended to limit the invention to the exemplary embodiments. On the contrary, the invention is to cover not only the exemplary embodiment but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention as defined by the appended claims.
Referring to fig. 1 to 6, a loosening prevention screw comprises a nut 1, a screw rod 2, an expansion screw rod 3, a nut 4, an expansion screw rod 5, a locking device 6, a cross bayonet 7, locking saw teeth 8, a swing ball 9, a locking groove 10, a swing ball clamping block 11, a clamping block transmission rod 12, a return spring 13, a bolt 14, a force transmission rod 15, a fixing rod bolt 16, a fixing rod 17, a locking rod bolt 18, a locking rod 19, a clamping wheel 20, a locking rod fixing point 21, a locking rod spring 22 and a transmission hole 23, and is characterized in that: screw cap 1 one side fixed connection screw rod 2, screw rod 2 one end fixed connection screw cap 1 and other end fixed connection expansion screw rod 3, the junction of screw rod 2 and expansion screw rod 3 is equipped with locking recess 10, the recess 10 inlayer is equipped with locking sawtooth 8, be cavity and expansion screw rod 3 ring in the middle of the expansion screw rod 3 is equipped with the space and makes expansion screw rod 3 separate from top to bottom, expansion screw rod 3 internal diameter is equipped with the screw thread, expansion screw rod 5 one end fixed connection locking device 6 and the surface of the other end are equipped with cross bayonet 7, expansion screw rod 5 is equipped with the screw thread, expansion screw rod 5's diameter is slightly bigger than expansion screw rod 3's internal diameter.
Wherein, the right-hand member fixed connection expansion screw rod 3 of screw rod 2, the right-hand member of screw rod 2 is equipped with locking recess 10, and the inner ring of locking recess 10 is evenly fixed to be equipped with locking sawtooth 10, cooperates locking device 6 for expansion screw rod 5 is screwed up more tightly more.
Wherein, expansion screw 3 is cavity form and the rampart is equipped with the space and makes expansion screw 3 upper and lower interval, and expansion screw 3 inner ring is equipped with the screw thread and the internal diameter is the same with locking recess 10 internal diameter for expansion screw 3 can expand.
The left end of the expansion screw 5 is fixedly connected with the locking device 6, threads are arranged on the surface of the expansion screw, the diameter of the locking device 6 is smaller than that of the expansion screw 5, the diameter of the expansion screw 5 is slightly larger than that of the expansion screw 3, the expansion screw 3 can be expanded after the expansion screw 5 is screwed in, and the nut 4 is prevented from falling off.
The locking device 6 is movably connected with the swing ball 9, the left side and the right side of the swing ball 9 are movably connected with the swing ball clamping blocks 11, the left swing ball clamping block 11 and the right swing ball clamping block 11 are arc-shaped, and the swing ball 9 is clamped in the left swing ball clamping block and the right swing ball clamping block, so that the force of the swing ball 9 is fully conducted onto the swing ball clamping blocks 11.
Wherein, pendulum ball fixture block 11 one end swing joint pendulum ball 9 and the other end fixed connection fixture block transfer line 12, fixed connection reset spring 13 between fixture block transfer line 22 and the pendulum ball fixture block 11 for fixture block transfer line 12 can control repetitive motion.
Wherein, the both ends of locking device 6 diameter are equipped with drive hole 23, and fixture block transfer line 12 passes drive hole 23 and left end bolted connection dowel steel 15, and dowel steel 15 top passes through dead lever bolt 16 swing joint dead lever 17, and dead lever 17 left end bolted connection dowel steel 15 and right-hand member fixed connection are at locking device 6 surface for pendulum ball 9's power can more conduct to the stock pole, reduces the loss of power.
Wherein, the dowel steel 15 below is through the pin bolt 18 swing joint pin 19, pin 19 one end bolted connection dowel steel 15 and the other end rotation connection draw-in pulley 20, draw-in pulley 20 buckle locking sawtooth 8 for locking device 6 can only one direction rotate.
The middle of the locking rod 19 is fixedly connected with a locking rod fixing point 21, one end of a locking rod spring 22 is fixedly connected with the locking rod fixing point 21, and the other end of the locking rod spring is fixedly connected with the connecting bolt 14, so that the locking rod 19 is always locked on the locking saw teeth 8.
The working principle of the embodiment is as follows:
when the expansion screw is used, the screw rod 2 is firstly inserted into a hole of a device to be fixed, the nut 4 is screwed in from the expansion screw rod 3 at the other end of the hole, after the nut 4 is screwed in, the expansion screw rod 5 is screwed in the inner diameter of the expansion screw rod 3 until the expansion screw rod 5 is difficult to be screwed in again, the diameter of the expansion screw rod 5 is slightly larger than the inner diameter of the expansion screw rod 3, so that the periphery of the expansion screw rod 3 can be slightly expanded after the expansion screw rod 5 is screwed in, the nut 4 is difficult to loosen, meanwhile, the nut 4 has inward extrusion force on the expansion screw rod 3, the expansion screw rod 5 is difficult to loosen, in the process of shaking screws, the swing ball 9 in the locking device 6 is shaken together, the swing ball 9 is transferred to the swing ball clamping block 11 to be horizontally displaced due to the fact that the swing ball clamping block 11 is outwards extruded, and when the swing ball clamping block 11 is outwards extruded, the transmission rod 12 drives the force transmission rod 15 to move, and the clamping transmission rod 12 drives the lower part of the force transmission rod 15 to move, meanwhile, the clamping transmission rod 12 drives the clamping rod 15 to move downwards, meanwhile, the swing ball 19 is connected to the clamping rod 19 is driven to the clamping rod 19 to rotate, and the saw-tooth 19 is further, and the saw-tooth is further driven to rotate in the direction of the clamping rod 19 to enable the clamping rod 19 to be clamped in the direction of the locking device 19 to be clamped by the clamping device to be clamped in the direction of the clamping device 8 when the saw-tooth is further in the direction of the clamping device 19, and the saw-tooth is further in the direction of the clamping device is stretched in the direction of the clamping device, and the clamping device is further in the clamping device is in the compression, and the compression is in the compression, when the compression is in the compression, and is in the compression.
In summary, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and other elements within the spirit and principles of the present invention are intended to be included in the scope of the present invention.
Claims (1)
1. The utility model provides a prevent screw that loosens, including nut (1), screw rod (2), expansion screw rod (3), nut (4), expansion screw rod (5), locking device (6), cross bayonet socket (7), locking sawtooth (8), pendulum ball (9), locking recess (10), pendulum ball fixture block (11), fixture block transfer line (12), reset spring (13), bolt (14), dowel bar (15), dead lever bolt (16), dead lever (17), locking bar bolt (18), locking bar (19), clamping wheel (20), locking bar fixed point (21), locking bar spring (22), drive hole (23), its characterized in that: the screw cap (1) is fixedly connected with the screw rod (2) at one side, one end of the screw rod (2) is fixedly connected with the screw cap (1) and the other end of the screw rod is fixedly connected with the expansion screw rod (3), a locking groove (10) is formed in the joint of the screw rod (2) and the expansion screw rod (3), locking saw teeth (8) are formed in the inner ring of the locking groove (10), the expansion screw rod (3) is hollow in the middle, a gap is formed in the ring of the expansion screw rod (3) so that the expansion screw rod (3) is vertically separated, threads are formed in the inner diameter of the expansion screw rod (3), one end of the expansion screw rod (5) is fixedly connected with a locking device (6), a cross bayonet (7) is formed in the surface of the other end of the expansion screw rod (5), and the diameter of the expansion screw rod (5) is slightly larger than the inner diameter of the expansion screw rod (3);
the right end of the screw rod (2) is fixedly connected with the expansion screw rod (3), the right end of the screw rod (2) is provided with a locking groove (10), and the inner ring of the locking groove (10) is uniformly and fixedly provided with locking saw teeth (8);
the expansion screw rod (3) is hollow, a gap is formed in the annular wall of the expansion screw rod (3) so that the expansion screw rod (3) is vertically spaced, threads are arranged on the inner ring of the expansion screw rod (3), and the inner diameter of the expansion screw rod is the same as that of the locking groove (10);
the left end of the expansion screw (5) is fixedly connected with a locking device (6) and the surface of the expansion screw is provided with threads, the diameter of the locking device (6) is smaller than that of the expansion screw (5), and the diameter of the expansion screw (5) is slightly larger than the inner diameter of the expansion screw (3);
the locking device (6) is internally and movably connected with a swing ball (9), the left side and the right side of the swing ball (9) are movably connected with swing ball clamping blocks (11), and the left swing ball clamping block and the right swing ball clamping block (11) are arc-shaped and clamp the swing ball (9) in the swing ball clamping blocks;
one end of the swing ball clamping block (11) is movably connected with the swing ball (9) and the other end of the swing ball clamping block is fixedly connected with a clamping block transmission rod (12), and a reset spring (13) is fixedly connected between the clamping block transmission rod (12) and the swing ball clamping block (11);
the two ends of the diameter of the locking device (6) are provided with transmission holes (23), the clamping block transmission rod (12) penetrates through the transmission holes (23) and is connected with the dowel bar (15) through a left end bolt, the upper part of the dowel bar (15) is movably connected with the fixed bar (17) through a fixed bar bolt (16), the left end bolt of the fixed bar (17) is connected with the dowel bar (15) and the right end of the fixed bar is fixedly connected with the surface of the locking device (6);
the lower part of the dowel bar (15) is movably connected with a locking bar (19) through a locking bar bolt (18), one end of the locking bar (19) is connected with the dowel bar (15) through a bolt, the other end of the locking bar is rotatably connected with a clamping wheel (20), and the clamping wheel (20) is buckled with a locking saw tooth (8);
the middle of the locking rod (19) is fixedly connected with a locking rod fixing point (21), one end of a locking rod spring (22) is fixedly connected with the locking rod fixing point (21) and the other end of the locking rod spring is fixedly connected with a connecting bolt (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595900.8A CN110307232B (en) | 2019-07-03 | 2019-07-03 | Screw capable of preventing loosening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910595900.8A CN110307232B (en) | 2019-07-03 | 2019-07-03 | Screw capable of preventing loosening |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110307232A CN110307232A (en) | 2019-10-08 |
| CN110307232B true CN110307232B (en) | 2023-06-16 |
Family
ID=68079585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910595900.8A Active CN110307232B (en) | 2019-07-03 | 2019-07-03 | Screw capable of preventing loosening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110307232B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905897A (en) * | 2019-11-14 | 2020-03-24 | 深圳市大富科技股份有限公司 | Expansion screw |
| CN112303098B (en) * | 2020-11-17 | 2021-08-20 | 崔路晋 | Anti-loosening bolt fastener |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190913232A (en) * | 1909-06-05 | 1909-12-09 | William Francis Kenney | Improvement in Nut Locks. |
| CH569202A5 (en) * | 1973-12-17 | 1975-11-14 | Guggenheim Hans | Screw locking device for screw - has spreader component which expands screw and is self-locking in inserted position |
| GB9819939D0 (en) * | 1998-09-15 | 1998-11-04 | Littlewood Barry | Improvements relating to fastener securing |
| JP2001065533A (en) * | 1999-09-01 | 2001-03-16 | Nishioka Byora Kk | Loosening prevention bolt |
| CN1826475A (en) * | 2003-09-01 | 2006-08-30 | 哈得螺克工业株式会社 | Lock bolt device |
| WO2012102401A1 (en) * | 2011-01-28 | 2012-08-02 | Ｎｅｘｔ Ｉｎｎｏｖａｔｉｏｎ合同会社 | Female screw structure |
| CN103343767A (en) * | 2013-07-24 | 2013-10-09 | 太仓市协诚金属制品有限公司 | Expansion check bolt |
| CN104879361A (en) * | 2015-04-21 | 2015-09-02 | 合肥工业大学 | Expansion lock bolt |
| CN205078588U (en) * | 2015-09-12 | 2016-03-09 | 冯仓武 | Lock female screw rod |
| CN105960537A (en) * | 2014-02-06 | 2016-09-21 | 罗金波特株式会社 | Bolt with locking function |
| CN108374827A (en) * | 2018-05-08 | 2018-08-07 | 林平 | Anti-loose bolt |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10134604A1 (en) * | 2001-07-17 | 2003-02-06 | Hilti Ag | expansion anchor |
| CN202082251U (en) * | 2011-06-10 | 2011-12-21 | 宁夏中卫大河机床有限责任公司 | Anti-loosening device of bolt |
| CN202628740U (en) * | 2012-04-10 | 2012-12-26 | 深圳市大富科技股份有限公司 | Screw device |
| CN202811773U (en) * | 2012-06-11 | 2013-03-20 | 安徽华菱汽车有限公司 | Bolt and nut component, and bolt |
| CN207178429U (en) * | 2017-09-16 | 2018-04-03 | 天津泰鼎晟业传动技术发展有限公司 | A kind of anti-drop screw structure |
-
2019
- 2019-07-03 CN CN201910595900.8A patent/CN110307232B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190913232A (en) * | 1909-06-05 | 1909-12-09 | William Francis Kenney | Improvement in Nut Locks. |
| CH569202A5 (en) * | 1973-12-17 | 1975-11-14 | Guggenheim Hans | Screw locking device for screw - has spreader component which expands screw and is self-locking in inserted position |
| GB9819939D0 (en) * | 1998-09-15 | 1998-11-04 | Littlewood Barry | Improvements relating to fastener securing |
| JP2001065533A (en) * | 1999-09-01 | 2001-03-16 | Nishioka Byora Kk | Loosening prevention bolt |
| CN1826475A (en) * | 2003-09-01 | 2006-08-30 | 哈得螺克工业株式会社 | Lock bolt device |
| WO2012102401A1 (en) * | 2011-01-28 | 2012-08-02 | Ｎｅｘｔ Ｉｎｎｏｖａｔｉｏｎ合同会社 | Female screw structure |
| JPWO2012102401A1 (en) * | 2011-01-28 | 2014-07-03 | 裕 道脇 | Female thread structure |
| CN103343767A (en) * | 2013-07-24 | 2013-10-09 | 太仓市协诚金属制品有限公司 | Expansion check bolt |
| CN105960537A (en) * | 2014-02-06 | 2016-09-21 | 罗金波特株式会社 | Bolt with locking function |
| CN104879361A (en) * | 2015-04-21 | 2015-09-02 | 合肥工业大学 | Expansion lock bolt |
| CN205078588U (en) * | 2015-09-12 | 2016-03-09 | 冯仓武 | Lock female screw rod |
| CN108374827A (en) * | 2018-05-08 | 2018-08-07 | 林平 | Anti-loose bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110307232A (en) | 2019-10-08 |
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