CN111649049B - Nested bolt fastener convenient to dismantle - Google Patents
Nested bolt fastener convenient to dismantle Download PDFInfo
- Publication number
- CN111649049B CN111649049B CN202010521282.5A CN202010521282A CN111649049B CN 111649049 B CN111649049 B CN 111649049B CN 202010521282 A CN202010521282 A CN 202010521282A CN 111649049 B CN111649049 B CN 111649049B
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- bolt
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- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 description 8
- 230000003631 expected effect Effects 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- F16B37/08—Quickly-detachable or mountable nuts, e.g. consisting of two or more parts; Nuts movable along the bolt after tilting the nut
- F16B37/0871—Quickly-detachable or mountable nuts, e.g. consisting of two or more parts; Nuts movable along the bolt after tilting the nut engaging the bolt laterally, i.e. without the need to engage the end of the bolt
- F16B37/0885—Quickly-detachable or mountable nuts, e.g. consisting of two or more parts; Nuts movable along the bolt after tilting the nut engaging the bolt laterally, i.e. without the need to engage the end of the bolt in two halves hingedly connected
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a conveniently-detachable nested bolt fastener which comprises a bolt, wherein a lower screw sleeve is connected to the bolt in a contact manner, an extending part is fixedly connected to one end of the lower screw sleeve, the extending part is hinged to one end of the upper screw sleeve, cavities are respectively formed in the upper screw sleeve and the lower screw sleeve, rotating shafts are respectively rotatably sleeved on the upper screw sleeve and the lower screw sleeve in a sleeved manner, the other end of each rotating shaft extends into the cavity, a rotating rod is fixedly connected to the extending end of each rotating shaft, a sliding block is rotatably connected to the other end of each rotating rod, the other end of each sliding block is slidably sleeved in the corresponding sliding sleeve, and a guide rod is fixedly connected to the side wall of each sliding sleeve. This nested bolt fastener convenient to dismantle can stabilize the fastener for fastener meshing fixing bolt need not to carry out two-way operation to the bolt, and easily installation has also avoided the thread engagement to skid, has improved the fastening effect, and the fastener easily demolishs, need not artifically rotate the bolt, has improved work efficiency, has avoided the part to damage.
Description
Technical Field
The invention relates to the field of fasteners, in particular to a nested bolt fastener convenient to disassemble.
Background
The fastener is a mechanical part which is used for fastening and connecting and has wide application, and is characterized by various types and specifications, different performance and application, and extremely high standardization, serialization and universalization degrees, so that the fastener of the existing national standard is called a standard fastener or a standard part for short;
general nut and bolt on the market pass through threaded engagement, and easy skidding when the installation, still need carry out two-way operation to the bolt, and difficult installation also makes fastening effect poor, and general fastener is difficult for dismantling to make to dismantle complicacy, waste time and energy, reduced work efficiency, brought the problem of damaged part, for this reason, we provide a nested bolt fastener convenient to dismantle.
Disclosure of Invention
The invention aims to provide a nested bolt fastener convenient to disassemble, and aims to solve the problems that a common nut and a bolt proposed in the background technology are easy to slip during installation due to threaded engagement, the bolt needs to be operated bidirectionally, the bolt is difficult to install and poor in fastening effect, and the common fastener is difficult to disassemble, so that the disassembly is complex, time and labor are wasted, the working efficiency is reduced, and parts are damaged.
In order to achieve the purpose, the invention provides the following technical scheme: a nested bolt fastener convenient to disassemble comprises a bolt, wherein a lower screw sleeve is connected to the bolt in a contact manner, an extending part is fixedly connected to one end of the lower screw sleeve, the extending part is hinged to one end of an upper screw sleeve, cavities are formed in the upper screw sleeve and the lower screw sleeve respectively, a rotating shaft is rotatably sleeved on the upper screw sleeve and the lower screw sleeve respectively, the other end of the rotating shaft extends into the cavity, a rotating rod is fixedly connected to the extending end of the rotating shaft, the other end of the rotating rod is rotatably connected with a sliding block, the other end of the sliding block is slidably sleeved in a sliding sleeve, a guide rod is fixedly connected to the side wall of the sliding sleeve, a clamping piece is mounted at the other end of the guide rod, and a first stop rod is fixedly connected to the side wall of the guide rod;
the bottom end of the upper screw sleeve is provided with a first groove, the bottom end of the lower screw sleeve is provided with a first connecting block, the first connecting block is connected with the first groove in an embedded mode, semicircular chutes are respectively opened and closed in the first connecting block and the first groove, the bottom surfaces of the semicircular chutes are respectively provided with a second spring, the other end of the second spring is respectively and fixedly connected with a first rotating block and a second rotating block, the bottom surface of the second rotating block is hinged with a pull rod, and the other end of the pull rod extends out of the first connecting block;
the first rotating block and the second rotating block are in sliding connection with the semicircular sliding groove, and the pull rod is in sliding sleeve connection with the upper threaded sleeve.
Preferably, the side walls of the lower threaded sleeve and the upper threaded sleeve are respectively provided with a limiting frame and a connecting block II, the other end of the limiting frame is sleeved in the positioning rod, the other end of the positioning rod is fixedly connected with a guide pillar, and the side wall of the guide pillar is provided with a stop lever II.
Preferably, a first slide way penetrating through the cavity is formed in the inner walls of the lower screw sleeve and the upper screw sleeve respectively, the first slide way is connected with the clamping piece in a sliding mode, a second groove is formed in the side wall of the cavity, a first spring is installed on the side wall of the second groove, a first clamping block is fixedly connected to the other end of the first spring, the other end of the first clamping block is in contact connection with a first stop lever, and the first clamping block is connected with the second groove in a sliding mode.
Preferably, the guide rod is sleeved with a limiting sleeve in a sliding mode, the limiting sleeve is fixedly connected with the side wall of the cavity, the two clamping pieces are arranged in parallel, and the two clamping pieces are matched with the bolt in an inclined mode.
Preferably, the positioning rod is hinged to the side wall of the upper threaded sleeve, and a spring IV is arranged between the limiting frame and the lower threaded sleeve.
Preferably, a second slide way is formed in the second joining block, a third groove is formed in the side wall of the second slide way, a third spring is mounted on the side wall of the third groove, a second clamping block is fixedly connected to the other end of the third spring, the second clamping block is in contact connection with the second stop lever, a push rod is fixedly connected to the second clamping block, and the other end of the push rod extends to the outside of the second joining block.
Compared with the prior art, the invention has the beneficial effects that:
the nested bolt fastener convenient to disassemble is characterized in that a bolt is placed in a through hole, a lower screw sleeve is placed on the side wall of the bolt, an extending part is arranged to enable an upper screw sleeve to rotate, so that the lower screw sleeve and the upper screw sleeve are closed, the purpose of sleeving the bolt by the lower screw sleeve and the upper screw sleeve is achieved, then a rotating shaft on the lower screw sleeve and the upper screw sleeve is rotated, the rotating shaft drives a rotating rod in a cavity to rotate, a sliding block on the rotating rod pushes a sliding sleeve to move, a guide rod on the sliding sleeve is limited and guided by a limiting sleeve, so that the sliding sleeve and the guide rod can only move along a straight line, a clamping piece on the guide rod is embedded with the bolt, a first blocking rod on the guide rod simultaneously extrudes a first clamping block in a second groove, the first clamping block is contracted, a first spring is extruded, when the first blocking rod passes through the first clamping block, the first spring is released from binding of the first spring, the first clamping block is pushed to limit the first blocking rod, and the purpose of stabilizing the clamping piece is achieved, the clamping piece is meshed with the fixing bolt, the bolt does not need to be operated in two directions, the installation is easy, the thread meshing slipping is avoided, and the fastening effect is improved;
when the nested bolt fastener convenient to disassemble needs to be disassembled, a push rod on a connecting block II is pressed, the push rod extrudes a clamping block II, a spring III is extruded by the clamping block II, the clamping block II is separated from a stop rod II, a guide pillar on the stop rod II can move, a positioning rod is rotated, the guide pillar is separated from a connecting block II, the push rod is loosened, the clamping block II is reset under the rebounding of the spring III, preparation is made for re-fixing, when the positioning rod rotates, the constraint of a limiting frame on a spring IV is relieved, the limiting frame is separated from the positioning rod, the purpose of relieving the external fixing of a lower screw sleeve and an upper screw sleeve is achieved, meanwhile, a pull rod outside the upper screw sleeve is pulled, the pull rod pulls the rotating block II to rotate, the rotating block II pushes the rotating block I to rotate, the rotating block II and the rotating block I are horizontal, the fixing of the connecting block I and the upper screw sleeve is relieved, and then the spring II on the bottom surface of the rotating block II and the rotating block I is extruded, thrust is provided for resetting of the rotating block II and the rotating block I, so that preparation is made for fixing the lower threaded sleeve and the upper threaded sleeve again after the lower threaded sleeve and the upper threaded sleeve are separated, the purpose of removing the internal fixation of the lower threaded sleeve and the upper threaded sleeve is achieved, the fastener is easy to remove, a bolt does not need to be rotated manually, the working efficiency is improved, and the damage of parts is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the upper and lower nut structures of the present invention;
FIG. 3 is a left side view of a portion of the structure of the present invention;
FIG. 4 is a top half sectional view of the upper and lower nut configuration of the present invention;
FIG. 5 is a front view of the upper and lower nut structures of the present invention;
FIG. 6 is an enlarged view of the structure of part A of the present invention.
In the figure: 1. a bolt; 2. a lower thread insert; 3. an extension portion; 4. an upper threaded sleeve; 5. a rotating shaft; 6. a rotating rod; 7. a slider; 8. a sliding sleeve; 9. a guide bar; 10. a fastener; 11. a first stop lever; 12. a limiting sleeve; 13. a first spring; 14. a first clamping block; 15. a first connecting block; 16. a second spring; 17. rotating a first block; 18. rotating a second block; 19. a pull rod; 20. a limiting frame; 21. positioning a rod; 22. a second connecting block; 23. a guide post; 24. a second stop lever; 25. a third spring; 26. a second clamping block; 27. a push rod; 28. and a fourth spring.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a nested bolt fastener convenient to disassemble comprises a bolt 1, wherein a lower screw sleeve 2 is connected to the bolt 1 in a contact manner, an extension part 3 is fixedly connected to one end of the lower screw sleeve 2, the extension part 3 is hinged to one end of an upper screw sleeve 4, cavities are respectively formed in the upper screw sleeve 4 and the lower screw sleeve 2, a rotating shaft 5 is respectively rotatably sleeved on the upper screw sleeve 4 and the lower screw sleeve 2, the other end of the rotating shaft 5 extends into the cavity, a rotating rod 6 is fixedly connected to the extending end of the rotating shaft 5, the other end of the rotating rod 6 is rotatably connected with a sliding block 7, the other end of the sliding block 7 is slidably sleeved in a sliding sleeve 8, a guide rod 9 is fixedly connected to the side wall of the sliding sleeve 8, a clamping part 10 is installed at the other end of the guide rod 9, a first blocking rod 11 is fixedly connected to the side wall of the guide rod 9, the purpose of stabilizing the clamping part 10 is achieved, the clamping part 10 is meshed with the bolt 1, the bolt 1 does not need to be operated bidirectionally, is easy to install and avoids thread meshing slipping, the fastening effect is improved;
the bottom end of the upper screw sleeve 4 is provided with a first groove, the bottom end of the lower screw sleeve 2 is provided with a first connecting block 15, the first connecting block 15 is connected with the first groove in an embedded mode, the first connecting block 15 and the first groove are respectively opened and closed with a semicircular sliding groove, the bottom surfaces of the semicircular sliding grooves are respectively provided with a second spring 16, the other ends of the second springs 16 are respectively fixedly connected with a first rotating block 17 and a second rotating block 18, the bottom surface of the second rotating block 18 is hinged with a pull rod 19, the other end of the pull rod 19 extends out of the first connecting block 15, the pull rod 19 outside the upper screw sleeve 4 is pulled, the second rotating block 18 is pulled by the pull rod 19 to rotate, the first rotating block 17 is pushed by the second rotating block 18, the second rotating block 17 is rotated, the second rotating block 18 and the first rotating block 17 are horizontal, the first connecting block 15 and the upper screw sleeve 4 are released from being fixed, the second rotating block 18 and the second spring 16 on the bottom surface of the first rotating block 17 are extruded, thrust is provided for resetting of the second rotating block 18 and the first rotating block 17, and accordingly, preparation is provided for resetting after the lower screw sleeve 2 and the upper screw sleeve 4 are separated from each other, the purpose of releasing the internal fixation of the lower threaded sleeve 2 and the upper threaded sleeve 4 is achieved, the fastener is easy to remove, the bolt 1 does not need to be manually rotated, the working efficiency is improved, and the damage of parts is avoided; the side walls of the lower threaded sleeve 2 and the upper threaded sleeve 4 are respectively provided with a limiting frame 20 and a second joining block 22, the other end of the limiting frame 20 is sleeved in a positioning rod 21, the other end of the positioning rod 21 is fixedly connected with a guide post 23, the side wall of the guide post 23 is provided with a second stop rod 24, a push rod 27 extrudes a second clamping block 26, the second clamping block 26 extrudes a third spring 25, the second clamping block 26 is separated from the second stop rod 24, the guide post 23 on the second stop rod 24 can move, the positioning rod 21 is rotated, the guide post 23 is separated from the second joining block 22, the push rod 27 is released, the second clamping block 26 is reset under the resilience of the third spring 25, preparation is made for fixing again, and when the positioning rod 21 rotates, the limiting frame 20 releases the constraint of the fourth spring 28, the limiting frame 20 is separated from the positioning rod 21, and the purpose of releasing the external fixation of the lower threaded sleeve 2 and the upper threaded sleeve 4 is achieved; the inner walls of the lower screw sleeve 2 and the upper screw sleeve 4 are respectively provided with a first slideway penetrating through the cavity, the first slideway is connected with the clamping piece 10 in a sliding manner, the side wall of the cavity is provided with a second groove, the side wall of the second groove is provided with a first spring 13, the other end of the first spring 13 is fixedly connected with a first clamping block 14, the other end of the first clamping block 14 is in contact connection with the first stop lever 11, and the first clamping block 14 is in sliding connection with the second groove, so that the structure is reasonable, and the first stop lever 11 is convenient to fix; the guide rod 9 is sleeved with a limiting sleeve 12 in a sliding mode, the limiting sleeve 12 is fixedly connected with the side wall of the cavity, the two clamping pieces 10 are arranged in parallel, and the two clamping pieces 10 are obliquely arranged in a manner of being matched with the bolt 1, so that the fixing effect of the bolt 1 is improved, and the expected effect is conveniently achieved; the first rotating block 17 and the second rotating block 18 are in sliding connection with the semicircular sliding groove, and the pull rod 19 is in sliding sleeve connection with the upper threaded sleeve 4, so that the structure is reasonable, and the expected effect is convenient to achieve; the positioning rod 21 is hinged with the side wall of the upper threaded sleeve 4, and a spring IV 28 is arranged between the limiting frame 20 and the lower threaded sleeve 2, so that the limiting frame 20 is conveniently separated from the positioning rod 21; the second connecting block 22 is provided with a second slide way, the side wall of the second slide way is provided with a third groove, the side wall of the third groove is provided with a third spring 25, the other end of the third spring 25 is fixedly connected with a second clamping block 26, the second clamping block 26 is in contact connection with a second stop rod 24, the second clamping block 26 is fixedly connected with a push rod 27, and the other end of the push rod 27 extends out of the second connecting block 22, so that the structure is reasonable, and the expected effect can be achieved conveniently.
The working principle is as follows: the bolt 1 is placed in the through hole, the lower screw sleeve 2 is placed on the side wall of the bolt 1, the upper screw sleeve 4 is rotated through the extension part 3, the lower screw sleeve 2 and the upper screw sleeve 4 are closed, the purpose that the lower screw sleeve 2 and the upper screw sleeve 4 are sleeved with the bolt 1 is achieved, then the rotating shaft 5 on the lower screw sleeve 2 and the rotating shaft 5 on the upper screw sleeve 4 are rotated, the rotating rod 6 in the cavity is driven to rotate by the rotating shaft 5, the sliding block 7 on the rotating rod 6 pushes the sliding sleeve 8 to move, the guide rod 9 on the sliding sleeve 8 is limited and guided by the limiting sleeve 12, the sliding sleeve 8 and the guide rod 9 can only move along a straight line, the clamping piece 10 on the guide rod 9 is embedded with the bolt 1, the first blocking rod 11 on the guide rod 9 pushes the first clamping block 14 in the second groove, the first clamping block 14 is contracted, the first spring 13 is squeezed, when the first blocking rod 11 passes through the first clamping block 14, the first spring 13 is released, and the first spring 13 pushes the first clamping block 14 to limit the first clamping block 11, the purpose of stabilizing the clamping piece 10 is achieved, the clamping piece 10 is meshed with the fixing bolt 1, the bolt 1 does not need to be operated in two directions, the installation is easy, thread meshing slipping is avoided, the fastening effect is improved, when the clamping piece 10 needs to be disassembled, the push rod 27 on the connecting block II 22 is pressed, the push rod 27 extrudes the clamping block II 26, the clamping block II 26 extrudes the spring III 25, the clamping block II 26 is separated from the blocking rod II 24, the guide pillar 23 on the blocking rod II 24 can move, the positioning rod 21 is rotated, the guide pillar 23 is separated from the connecting block II 22, the push rod 27 is loosened, the clamping block II 26 is reset under the resilience of the spring III 25, preparation is made for re-fixing, when the positioning rod 21 rotates, the constraint of the limiting frame 20 on the spring IV 28 is relieved, the limiting frame 20 is separated from the positioning rod 21, the purpose of relieving the external fixing of the lower thread insert 2 and the upper thread insert 4 is achieved, the pull rod 19 outside the upper thread insert 4 is pulled at the same time, the pull rod 19 pulls the second rotating block 18 to rotate, the second rotating block 18 pushes the first rotating block 17 to rotate, the second rotating block 18 and the first rotating block 17 are made to be horizontal, fixing of the first connecting block 15 and the upper threaded sleeve 4 is removed, the second rotating block 18 and the second spring 16 on the bottom surface of the first rotating block 17 are further extruded, thrust is provided for resetting of the second rotating block 18 and the first rotating block 17, preparation is made for fixing the lower threaded sleeve 2 and the upper threaded sleeve 4 after separation, the purpose of removing internal fixing of the lower threaded sleeve 2 and the upper threaded sleeve 4 is achieved, the fastener is easy to detach, the bolt 1 does not need to be rotated manually, working efficiency is improved, damage to parts is avoided, and operation is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A nested bolt fastener for easy disassembly, comprising a bolt (1), characterized in that: a lower threaded sleeve (2) is connected on the bolt (1) in a contact manner, an extension part (3) is fixedly connected at one end of the lower threaded sleeve (2), the extension part (3) is hinged at one end of the upper threaded sleeve (4), the upper threaded sleeve (4) and the lower threaded sleeve (2) are respectively provided with a cavity, the upper threaded sleeve (4) and the lower threaded sleeve (2) are respectively rotatably sleeved with a rotating shaft (5), the other end of the rotating shaft (5) extends into the cavity, a rotating rod (6) is fixedly connected on the extending end of the rotating shaft (5), the other end of the rotating rod (6) is rotatably connected with a sliding block (7), the other end of the sliding block (7) is sleeved in the sliding sleeve (8) in a sliding way, a guide rod (9) is fixedly connected on the side wall of the sliding sleeve (8), the other end of the guide rod (9) is provided with a clamping piece (10), and the side wall of the guide rod (9) is fixedly connected with a first stop lever (11);
the bottom end of the upper threaded sleeve (4) is provided with a first groove, the bottom end of the lower threaded sleeve (2) is provided with a first connecting block (15), the first connecting block (15) is connected with the first groove in an embedded mode, semicircular sliding grooves are formed in the first connecting block (15) and the first groove in an opening and closing mode respectively, the bottom surfaces of the semicircular sliding grooves are provided with a second spring (16) respectively, the other end of the second spring (16) is fixedly connected with a first rotating block (17) and a second rotating block (18) respectively, the bottom surface of the second rotating block (18) is hinged with a pull rod (19), and the other end of the pull rod (19) extends out of the first connecting block (15);
the first rotating block (17) and the second rotating block (18) are in sliding connection with the semicircular sliding groove, and the pull rod (19) is in sliding sleeve connection with the upper threaded sleeve (4).
2. A nested bolt fastener for ease of disassembly as set forth in claim 1 wherein: the side walls of the lower threaded sleeve (2) and the upper threaded sleeve (4) are respectively provided with a limiting frame (20) and a connecting block II (22), the other end of the limiting frame (20) is sleeved in the positioning rod (21), the other end of the positioning rod (21) is fixedly connected with a guide pillar (23), and the side wall of the guide pillar (23) is provided with a stop lever II (24).
3. A nested bolt fastener for ease of disassembly as set forth in claim 1 wherein: set up the slide one that link up the cavity on the inner wall of lower swivel nut (2) and last swivel nut (4) respectively, slide one and fastener (10) sliding connection, and seted up recess two on the lateral wall of cavity, install spring one (13) on the lateral wall of recess two, the other end rigid coupling of spring one (13) has fixture block one (14), the other end and the pin one (11) contact of fixture block one (14) are connected, and fixture block one (14) and recess two sliding connection.
4. A nested bolt fastener for ease of disassembly as set forth in claim 1 wherein: the guide rod (9) is sleeved with a limiting sleeve (12) in a sliding mode, the limiting sleeve (12) is fixedly connected with the side wall of the cavity, the two clamping pieces (10) are arranged in parallel, and the two clamping pieces (10) are matched with the bolt (1) to be arranged in an inclined mode.
5. A nested bolt fastener for ease of disassembly as set forth in claim 2 wherein: the positioning rod (21) is hinged to the side wall of the upper threaded sleeve (4), and a spring IV (28) is installed between the limiting frame (20) and the lower threaded sleeve (2).
6. A nested bolt fastener for ease of disassembly as set forth in claim 2 wherein: join in the piece two (22) and seted up slide two, seted up recess three on the lateral wall of slide two, install spring three (25) on the lateral wall of recess three, the other end rigid coupling of spring three (25) has fixture block two (26), fixture block two (26) and pin two (24) contact are connected, and the rigid coupling has push rod (27) on fixture block two (26), the other end of push rod (27) extends to and links in the piece two (22) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010521282.5A CN111649049B (en) | 2020-06-10 | 2020-06-10 | Nested bolt fastener convenient to dismantle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010521282.5A CN111649049B (en) | 2020-06-10 | 2020-06-10 | Nested bolt fastener convenient to dismantle |
Publications (2)
| Publication Number | Publication Date |
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| CN111649049A CN111649049A (en) | 2020-09-11 |
| CN111649049B true CN111649049B (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010521282.5A Active CN111649049B (en) | 2020-06-10 | 2020-06-10 | Nested bolt fastener convenient to dismantle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113134805B (en) * | 2021-04-30 | 2022-12-23 | 中冶建工集团有限公司 | Bolt mounting tool |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004058252B4 (en) * | 2004-08-14 | 2010-03-25 | Protechna S.A. | Union nut made of plastic |
| JP2009063070A (en) * | 2007-09-06 | 2009-03-26 | Koyo Kizai Kk | Split nut |
| CN105909656A (en) * | 2016-06-25 | 2016-08-31 | 安徽工程大学机电学院 | Half nut and application method thereof |
| CN108078225A (en) * | 2017-12-13 | 2018-05-29 | 合肥静美图文科技有限公司 | A kind of culture medium brochure apparatus for placing |
| CN208089733U (en) * | 2018-04-04 | 2018-11-13 | 苏州航太机械科技有限公司 | A kind of hexagonal self-locking nut |
| CN108784162A (en) * | 2018-06-13 | 2018-11-13 | 袁静 | A kind of teaching show stand easy to remove |
| CN209797355U (en) * | 2018-12-26 | 2019-12-17 | 苏州市金益达机械设备厂 | Safe brake disc device with shock-absorbing function for elevator |
| CN209510886U (en) * | 2019-02-26 | 2019-10-18 | 浙江鑫哲希科技有限公司 | A kind of Self-locking screw nut |
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| CN111649049A (en) | 2020-09-11 |
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