CN112727887B - Fastening bolt - Google Patents
Fastening bolt Download PDFInfo
- Publication number
- CN112727887B CN112727887B CN202011591067.9A CN202011591067A CN112727887B CN 112727887 B CN112727887 B CN 112727887B CN 202011591067 A CN202011591067 A CN 202011591067A CN 112727887 B CN112727887 B CN 112727887B
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- China
- Prior art keywords
- column
- groove
- bolt
- top side
- block
- 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.)
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Links
- 238000001125 extrusion Methods 0.000 claims abstract description 31
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 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
- F16B33/00—Features common to bolt and nut
- F16B33/008—Corrosion preventing means
-
- 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
- F16B35/042—Specially-shaped shafts for retention or rotation by a tool, e.g. of polygonal cross-section
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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
- F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
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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
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to the technical field of bolts, in particular to a fastening bolt which comprises a bolt column, wherein a bolt head is arranged on the top side of the bolt column, a through hole is formed in the top side of the bolt head, a guide groove is formed in one side, opposite to the bolt head, of the bolt column, a moving groove and a moving block are arranged on the inner side wall of the guide groove, an internal thread sleeve is arranged on the top side of the guide groove, an external thread column is arranged on the inner side of the internal thread sleeve, a connector is arranged on the top side of the external thread column, an extrusion column is arranged on the bottom side of the external thread column, a jacking connecting sleeve is arranged on the bottom side of the guide groove, a jacking connecting column is arranged on the inner side of the jacking connecting sleeve, a lower pressing block is arranged on the top side of the jacking connecting column, an extrusion groove is arranged on the top side of the jacking connecting column, an additional block is arranged on one side of the bolt head, the fastening bolt has improved connection stability, the bolt head has a detachable protection structure, and the bolt is convenient and quick to disassemble, the overall stability is high.
Description
Technical Field
The invention relates to the technical field of bolts, in particular to a fastening bolt.
Background
Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut to be used for fastening and connecting two parts with through holes, and the connection form is called bolt connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.
The existing bolt connection is poor in stability and free of secondary tightening, a bolt head is prone to weathering and corrosion, the bolt head is prone to corner abrasion due to repeated operation, and later-stage disassembly operation is inconvenient.
Disclosure of Invention
The invention aims to solve the defects that the existing bolt in the prior art is poor in connection stability, does not have secondary tightening, is easy to corrode and rust the bolt head, is easy to cause corner abrasion of the bolt head due to repeated operation, and is inconvenient for later-stage disassembly operation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fastening bolt is designed, and comprises a bolt column, wherein a bolt head is fixedly connected to the top side of the bolt column, a through hole is fixedly formed in the top side of the bolt head, a guide groove is fixedly formed in one side, opposite to the bolt head, of the bolt column, the guide groove and the through hole are of a communicated structure, a plurality of moving grooves are fixedly formed in the inner side wall of each guide groove, moving blocks are movably connected to the inner sides of the moving grooves, an internal thread sleeve is fixedly connected to the top side of each guide groove, an external thread column is rotatably connected to the inner side of each internal thread sleeve through threads, a connector is fixedly connected to the top side of each external thread column and located in each through hole, an extrusion column is fixedly connected to the bottom side of each external thread column, one side of each extrusion column is abutted to one side of each moving block, a jacking connecting sleeve is fixedly connected to the bottom side of each guide groove, and a jacking connecting column is slidably connected to the inner side of the jacking connecting sleeve, the top side of the jacking connecting column is fixedly connected with a lower pressing block, the top side of the lower pressing block is fixedly provided with an extrusion groove, the bottom side of the extrusion column is abutted against the inner side of the extrusion groove, the bottom side of the jacking connecting column is movably connected with a jacking spring, the bottom side of the moving block is fixedly provided with a reset mechanism, one side of the bolt head is movably connected with an additional block, one side of the bolt head opposite to the additional block is fixedly provided with a connecting groove, the inner side of the connecting groove is slidably connected with a connecting sleeve, one side of the connecting sleeve is fixedly connected with one side of the additional block, the top side of the connecting groove is fixedly provided with a locking groove, the inner side of the locking groove is slidably connected with a locking block, the locking block is slidably connected with the top side of the connecting sleeve, the locking block penetrates through the top side of the connecting sleeve and extends into the connecting sleeve, and the locking spring is movably connected between the bottom side of the locking block and one side of the connecting sleeve opposite to the connecting sleeve, and an unlocking device is fixedly arranged on the top side of the bolt head.
Preferably, the reset mechanism comprises: the movable block comprises a reset sliding groove, a guide post, a reset sliding block, a reset spring and a fixed column, wherein the reset sliding groove is fixedly arranged at the bottom side of the movable block, the guide post is fixedly connected and arranged at the inner side of the reset sliding groove, the reset sliding block is movably sleeved at the outer side of the guide post, the reset spring is movably connected and arranged at one side, close to the extrusion post, of the reset sliding block, the reset spring is movably sleeved and arranged at the outer side of the guide post, the fixed column is fixedly connected and arranged at the bottom side of the guide groove, and the fixed column is fixedly connected and arranged at the bottom side of the guide groove.
Preferably, the unlocking means includes: the novel bolt comprises a buckle groove, a buckle column and a cover plate, wherein the top side of a bolt head is fixedly provided with a plurality of buckle grooves, the inner side of each buckle groove is detachably connected with the buckle column through a buckle, the top side of the buckle column is fixedly connected with the cover plate, and the buckle column is matched with a locking groove.
Preferably, a hexagonal groove is fixedly formed in the top side of the connecting head.
Preferably, one side of the through hole opposite to the connector is fixedly connected with a lubricating and fastening rubber sleeve.
Preferably, the top side of the moving block is arranged in an arc edge structure, and the bottom side of the extrusion column is arranged in a wedge-shaped structure.
Preferably, the number of the moving grooves and the number of the moving blocks are four.
Preferably, the jacking connecting column is arranged in a T-shaped structure.
The fastening bolt provided by the invention has the beneficial effects that: through setting up the shifting chute, the movable block, the internal thread cover, the external screw thread post, the connector, the extrusion post, it pushes down the motion to do the screw thread rotation at internal thread cover inboard including the external screw thread post to rotate the connector drive, make the bottom side of extrusion post push the movable block in the shifting chute extrusion promotion, provide a stable step-up function to the bolt, after normal fixed connection, carry out the secondary step-up, improve the connection stability of bolt, through setting up the tight adapter sleeve in top, top tight spliced pole, lower briquetting, top tight spring, the briquetting receives pressure at present and will push up tight spliced pole at the tight adapter sleeve in top and do the step-down motion, top tight spring provides a resilience force, the screw thread rotation of cooperation external screw thread post is connected, provide an elasticity that pushes up tightly upwards to the extrusion post, can improve inside connection stability, double cooperation, stable top is tight, through setting up the spread groove, additional piece, the adapter sleeve, locking groove, The locking block, locking spring, can carry out the morals and manners protection outside the bolt head, after long-time, the weathering corrosion is received to the additional piece, extrude the inboard locking block of locking groove, make locking spring receive pressure, carry out the unblock with the adapter sleeve in the spread groove, can demolish the additional piece at last, the bolt head did not receive the weathering corrosion this moment, the convenience is dismantled the bolt, this fastening bolt, connection stability improves, the bolt head has detachable protection structure, bolt easy dismounting is swift, overall stability is high.
Drawings
Fig. 1 is an exploded view of a fastening bolt according to the present invention;
FIG. 2 is a schematic view of a front axial structure of a fastening bolt according to the present invention;
FIG. 3 is a schematic view of a front side cutaway shaft structure of a fastening bolt according to the present invention;
FIG. 4 is a schematic structural view of a cross-section of the front side of a fastening bolt A;
FIG. 5 is a schematic side view of a fastening bolt according to the present invention;
FIG. 6 is a schematic structural view of a fastening bolt B in a side cutaway axial view according to the present invention;
fig. 7 is a schematic structural diagram of a front cut-off axis of a fastening bolt according to the present invention.
In the figure: 1 bolt column, 2 bolt heads, 3 through holes, 4 guide grooves, 5 moving grooves, 6 moving blocks, 7 internal thread sleeves, 8 external thread columns, 9 connectors, 10 extrusion columns, 11 tightly-pushing connecting sleeves, 12 tightly-pushing connecting columns, 13 lower pressing blocks, 14 tightly-pushing springs, 15 connecting grooves, 16 additional blocks, 17 connecting sleeves, 18 locking grooves, 19 locking blocks, 20 locking springs, 21 resetting sliding grooves, 22 guide columns, 23 resetting sliding blocks, 24 resetting springs, 25 fixing columns, 26 buckling grooves, 27 buckling columns, 28 cover plates, 29 hexagonal grooves, 30 lubricating and tightly-fixing rubber sleeves and 31 extrusion grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a fastening bolt comprises a bolt column 1, a bolt head 2 is fixedly connected to the top side of the bolt column 1, a through hole 3 is fixedly arranged on the top side of the bolt head 2, a guide groove 4 is fixedly arranged on one side of the bolt column 1 opposite to the bolt head 2, the guide groove 4 and the through hole 3 are in a communicated structure, a plurality of moving grooves 5 are fixedly arranged on the inner side wall of the guide groove 4, a moving block 6 is movably connected to the inner side of each moving groove 5, an internal thread sleeve 7 is fixedly connected to the top side of the guide groove 4, an external thread column 8 is rotatably connected to the inner side of the internal thread sleeve 7 through threads, a connector 9 is fixedly connected to the top side of the external thread column 8, the connector 9 is located on the inner side of the through hole 3, an extrusion column 10 is fixedly connected to the bottom side of the external thread column 8, one side of the extrusion column 10 is abutted to one side of the moving block 6, and a jacking connecting sleeve 11 is fixedly connected to the bottom side of the guide groove 4, the inner side of the jacking connecting sleeve 11 is slidably connected with a jacking connecting column 12, the top side of the jacking connecting column 12 is fixedly connected with a lower pressing block 13, the top side of the lower pressing block 13 is fixedly provided with an extrusion groove 31, the bottom side of the extrusion column 10 is abutted against the inner side of the extrusion groove 31, the bottom side of the jacking connecting column 12 is movably connected with a jacking spring 14, the bottom side of the moving block 6 is fixedly provided with a resetting mechanism, one side of the bolt head 2 is movably connected with an additional block 16, one side of the bolt head 2 opposite to the additional block 16 is fixedly provided with a connecting groove 15, the inner side of the connecting groove 15 is slidably connected with a connecting sleeve 17, one side of the connecting sleeve 17 is fixedly connected with one side of the additional block 16, the top side of the connecting groove 15 is fixedly provided with a locking groove 18, the inner side of the locking groove 18 is slidably connected with a locking block 19, the locking block 19 is slidably connected with the top side of the connecting sleeve 17, and the locking block 19 penetrates through the top side of the connecting sleeve 17 and extends into the connecting groove, a locking spring 20 is movably connected between the bottom side of the locking block 19 and the side opposite to the connecting sleeve 17, and an unlocking device is fixedly arranged on the top side of the bolt head 2.
Specifically, the canceling release mechanical system includes: reset chute 21, guide post 22, the slider 23 that resets, reset spring 24, fixed column 25, the fixed spout 21 that resets that is equipped with in bottom side of movable block 6, the inboard fixed connection of spout 21 that resets is equipped with guide post 22, the outside activity of guide post 22 is cup jointed and is equipped with the slider 23 that resets, one side swing joint that the slider 23 that resets is close to extrusion post 10 is equipped with reset spring 24, reset spring 24 activity is cup jointed in the outside of guide post 22, the bottom side fixed connection of slider 23 that resets is equipped with fixed column 25, fixed column 25 fixed connection is at the bottom side of guide way 4.
Specifically, the unlocking device includes: the bolt comprises a buckle groove 26, a buckle column 27 and a cover plate 28, wherein the top side of the bolt head 2 is fixedly provided with the buckle grooves 26, the inner side of the buckle groove 26 is detachably connected with the buckle column 27 through a buckle, the top side of the buckle column 27 is fixedly connected with the cover plate 28, and the buckle column 27 is matched with the locking groove 18.
Specifically, a hexagonal groove 29 is fixedly formed on the top side of the connecting head 9.
Specifically, one side of the through hole 3 opposite to the connector 9 is fixedly connected with a lubricating and fastening rubber sleeve 30.
Specifically, the top side of the moving block 6 is arranged in an arc edge structure, and the bottom side of the extrusion column 10 is arranged in a wedge-shaped structure.
Specifically, the number of the moving grooves 5 and the number of the moving blocks 6 are four.
Specifically, the tightening connection column 12 is arranged in a T-shaped structure.
When the invention is used, the moving groove 5, the moving block 6, the internal thread sleeve 7, the external thread column 8, the connecting head 9 and the extrusion column 10 are arranged, when the connecting head 9 is rotated to drive the external thread column 8 to do thread rotation and downward pressing motion on the inner side of the internal thread sleeve 7, the moving block 6 is extruded and pushed on the moving groove 5 by the bottom side of the extrusion column 10, a stable fastening function is provided for a bolt, after normal fixed connection is performed, secondary fastening is performed, the connection stability of the bolt is improved, when the pressing block 13 is pressed to perform downward pressing motion on the pressing connecting column 12 on the pressing connecting sleeve 11, the pressing spring 14 provides resilience force, the threaded rotation connection of the external thread column 8 is matched, an upward pressing elasticity is provided for the extrusion column 10, the internal connection stability can be improved, and double matching is achieved, stabilize the top tightly, through setting up spread groove 15, additional block 16, adapter sleeve 17, lock groove 18, latch segment 19, locking spring 20, can carry out the weathering protection to the bolt head 2 outside, after long-time, additional block 16 receives the weathering corrosion, extrude the inboard latch segment 19 of lock groove 18, make locking spring 20 receive pressure, unblock adapter sleeve 17 in the spread groove 15, can demolish additional block 16 at last, bolt head 2 does not receive the weathering corrosion this moment, the convenience is dismantled the bolt, this fastening bolt, connection stability improves, the bolt head has detachable protection structure, bolt easy dismounting is swift, overall stability is high.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A fastening bolt comprises a bolt column (1), wherein a bolt head (2) is fixedly connected to the top side of the bolt column (1), and is characterized in that a through hole (3) is fixedly formed in the top side of the bolt head (2), a guide groove (4) is fixedly formed in one side, opposite to the bolt head (2), of the bolt column (1), the guide groove (4) and the through hole (3) are of a communicated structure, a plurality of moving grooves (5) are fixedly formed in the inner side wall of the guide groove (4), a moving block (6) is movably connected to the inner side of each moving groove (5), an internal thread sleeve (7) is fixedly connected to the top side of the guide groove (4), an external thread column (8) is rotatably connected to the inner side of the internal thread sleeve (7) through threads, a connector (9) is fixedly connected to the top side of the external thread column (8), and the connector (9) is located inside the through hole (3), the bottom side of the external threaded column (8) is fixedly connected with an extrusion column (10), one side of the extrusion column (10) is abutted against one side of the moving block (6), the bottom side of the guide groove (4) is fixedly connected with a jacking connecting sleeve (11), the inner side of the jacking connecting sleeve (11) is slidably connected with a jacking connecting column (12), the top side of the jacking connecting column (12) is fixedly connected with a lower pressing block (13), the top side of the lower pressing block (13) is fixedly provided with an extrusion groove (31), the bottom side of the extrusion column (10) is abutted against the inner side of the extrusion groove (31), the bottom side of the jacking connecting column (12) is movably connected with a jacking spring (14), the bottom side of the moving block (6) is fixedly provided with a resetting mechanism, the peripheral side of the bolt head (2) is movably connected with an additional block (16), and one side of the bolt head (2) opposite to the additional block (16) is fixedly provided with a connecting groove (15), the inboard sliding connection of spread groove (15) is equipped with adapter sleeve (17), one side fixed connection of adapter sleeve (17) is in one side of additional piece (16), the fixed locking groove (18) that is equipped with in top side of spread groove (15), the inboard sliding connection of locking groove (18) is equipped with latch segment (19), latch segment (19) sliding connection is in the top side of adapter sleeve (17), latch segment (19) run through in the top side of adapter sleeve (17) and extend to in, swing joint is equipped with locking spring (20) between the bottom side of latch segment (19) and one side that adapter sleeve (17) is relative, the fixed unlocking device that is equipped with in top side of bolt head (2).
2. A fastening bolt as defined in claim 1, wherein the return mechanism comprises: the movable block comprises a reset sliding groove (21), a guide post (22), a reset sliding block (23), a reset spring (24) and a fixed column (25), wherein the reset sliding groove (21) is fixedly arranged on the bottom side of the movable block (6), the guide post (22) is fixedly connected to the inner side of the reset sliding groove (21), the reset sliding block (23) is movably sleeved on the outer side of the guide post (22), the reset spring (24) is movably connected to one side, close to the extrusion post (10), of the reset sliding block (23), the reset spring (24) is movably sleeved on the outer side of the guide post (22), the fixed column (25) is fixedly connected to the bottom side of the reset sliding block (23), and the fixed column (25) is fixedly connected to the bottom side of the guide groove (4).
3. A fastening bolt as defined in claim 1, wherein said unlocking means comprises: buckle groove (26), buckle post (27), apron (28), the top side of bolt head (2) is fixed to be equipped with a plurality of buckle grooves (26), the inboard in buckle groove (26) is equipped with buckle post (27) through the detachable connection of buckle, the top side fixed connection of buckle post (27) is equipped with apron (28), buckle post (27) and locking groove (18) phase-match.
4. A fastening screw according to claim 1, characterised in that the top side of the connecting head (9) is fixedly provided with a hexagonal groove (29).
5. A fastening screw according to claim 1, characterised in that a lubricating rubber boot (30) is fixedly connected to the side of the through-hole (3) opposite to the connecting head (9).
6. A fastening screw according to claim 1, characterised in that the top side of the moving block (6) is arranged in an arc-edged configuration and the bottom side of the pressing stud (10) is arranged in a wedge-shaped configuration.
7. A fastening screw according to claim 1, characterised in that the number of said moving grooves (5) and moving blocks (6) is four.
8. A fastening screw according to claim 1, characterised in that the tightening connection post (12) is arranged in a T-shaped configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011591067.9A CN112727887B (en) | 2020-12-29 | 2020-12-29 | Fastening bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011591067.9A CN112727887B (en) | 2020-12-29 | 2020-12-29 | Fastening bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112727887A CN112727887A (en) | 2021-04-30 |
| CN112727887B true CN112727887B (en) | 2022-08-12 |
Family
ID=75607884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011591067.9A Active CN112727887B (en) | 2020-12-29 | 2020-12-29 | Fastening bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112727887B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483007A (en) * | 2021-08-11 | 2021-10-08 | 常州宜轩五金有限公司 | Automatic locking screw |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE866277C (en) * | 1951-04-14 | 1953-02-09 | Heinrich Nolting | Nut lock |
| CN2150380Y (en) * | 1992-07-06 | 1993-12-22 | 梁刚 | Anti-theft fastener |
| CN206929183U (en) * | 2017-07-10 | 2018-01-26 | 山东高强紧固件有限公司 | A kind of anti-drop bolt component |
| CN207921099U (en) * | 2018-02-12 | 2018-09-28 | 温州市一威汽车零部件有限公司 | A kind of anti-theft bolt |
| CN209164339U (en) * | 2018-12-10 | 2019-07-26 | 青岛厚德标准件有限公司 | A kind of anti-theft bolt for wind tower truss structure |
| CN109372872B (en) * | 2018-12-26 | 2020-09-08 | 温州市鸿图汽车零部件有限公司 | Fastening bolt |
| CN210371552U (en) * | 2019-04-24 | 2020-04-21 | 温州晟威车辆部件有限公司 | Novel bolt |
| CN209856185U (en) * | 2019-04-25 | 2019-12-27 | 苏州易固特精密五金有限公司 | Customized screw with self-locking function |
| CN110454480B (en) * | 2019-08-10 | 2020-12-25 | 浙江裕泰汽车配件有限公司 | Anti-theft bolt |
| CN210484353U (en) * | 2019-08-24 | 2020-05-08 | 山东华准机械有限公司 | Locking nut mechanical anti-loosening device |
| CN211144602U (en) * | 2019-11-29 | 2020-07-31 | 浙江强能胜动力股份有限公司 | Anti-drop's engine oil drain bolt |
| CN211174942U (en) * | 2019-12-23 | 2020-08-04 | 天津市精一紧固件有限公司 | Rust-proof bolt |
| CN211573988U (en) * | 2020-01-20 | 2020-09-25 | 上海众新五金有限公司 | Better bolt of locking effect |
| CN112032167A (en) * | 2020-04-26 | 2020-12-04 | 扬州华强不锈钢有限公司 | High-strength wear-resistant hexagonal head bolt |
| CN111649052B (en) * | 2020-06-10 | 2022-03-29 | 嘉善伟悦紧固件有限公司 | Fastener convenient to change spare part |
-
2020
- 2020-12-29 CN CN202011591067.9A patent/CN112727887B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112727887A (en) | 2021-04-30 |
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