CN111649052A - Fastener convenient to change spare part - Google Patents
Fastener convenient to change spare part Download PDFInfo
- Publication number
- CN111649052A CN111649052A CN202010527765.6A CN202010527765A CN111649052A CN 111649052 A CN111649052 A CN 111649052A CN 202010527765 A CN202010527765 A CN 202010527765A CN 111649052 A CN111649052 A CN 111649052A
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- rod
- bolt
- movable sleeve
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- threaded
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- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005272 metallurgy Methods 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
- F16B39/16—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts in which the screw-thread of the locknut differs from that of the nut
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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
- F16B33/004—Sealing; Insulation
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a fastener convenient for replacing parts, which comprises a bolt rod, wherein the upper end of the bolt rod is provided with a connecting block, and the connecting block is in threaded connection with the bolt rod; the upper end of the connecting block is in threaded connection with a threaded rod, the top end of the threaded rod is in threaded connection with a limiting plate, a movable sleeve is arranged on the threaded rod and is in sliding connection with the threaded rod, and the movable sleeve and the threaded rod are coaxially arranged; and fixing devices are arranged on two sides of the movable sleeve. According to the fastener convenient for replacing parts, the sealing rings are respectively arranged at the upper end and the lower end of the bolt rod, so that the interior of the fastener can be effectively prevented from being rusted, the service life of the fastener is prolonged, the bolt rod and the connecting block, the threaded rod and the connecting block and the limiting plate are fixed in a threaded connection mode, the parts are easy to replace, and in addition, the device is not easy to loosen during use.
Description
Technical Field
The invention relates to the field of fasteners, in particular to a fastener convenient for replacing parts.
Background
The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and are the most widely applied mechanical basic parts. It features various varieties and specifications, different functions and usages, and very high standardization, serialization and universalization degrees. Thus, one type of fastener that has a national standard is also referred to as a standard fastener, or simply a standard.
The existing fastener has more defects, vibration is easy to loose after the fastener is installed in equipment, in addition, after the fastener is installed, the inside is easy to corrode, the service life is shortened, in addition, parts on the existing fastener are inconvenient to replace, and therefore the fastener convenient for replacing the parts is provided.
Disclosure of Invention
The invention aims to provide a fastener convenient for replacing parts, which can effectively solve the problems that the existing fastener is easy to rust, inconvenient to slide the parts and easy to loosen.
In order to achieve the purpose, the invention provides the following technical scheme: a fastener convenient for replacing parts comprises a bolt rod, wherein the upper end of the bolt rod is provided with a connecting block, and the connecting block is in threaded connection with the bolt rod; the upper end of the connecting block is in threaded connection with a threaded rod, the top end of the threaded rod is in threaded connection with a limiting plate, a movable sleeve is arranged on the threaded rod and is in sliding connection with the threaded rod, and the movable sleeve and the threaded rod are coaxially arranged; and fixing devices are arranged on two sides of the movable sleeve.
Furthermore, the connecting block comprises a connecting circular truncated cone and a connecting cylinder, a first groove is formed in the outer side wall of the connecting circular truncated cone, and a second groove and a slot are formed in the connecting cylinder.
Furthermore, the lower extreme and the slot of second recess communicate each other, and the upper end of second recess communicates each other with the lower extreme of first recess, and the degree of depth of first recess and second recess equals, and the degree of depth of slot is greater than the degree of depth of first recess and second recess.
Furthermore, the lower bottom surface of the movable sleeve is connected with the upper surface of the connecting block through a first spring, the first spring sleeve is arranged on the threaded rod, and the bottom of the movable sleeve is fixedly connected with a first sealing ring.
Further, fixing device includes the fixed plate, fixed plate and movable sleeve's lateral wall fixed connection, and the middle part slip cap of fixed plate is equipped with the inserted bar, has seted up the through-hole on the movable sleeve's the lateral wall, and the inserted bar setting is in the through-hole, fixedly connected with slide on the inserted bar, slide and through-hole sliding connection.
Further, the perpendicular distance between inserted bar central point and the slot central point is 2mm bigger than the perpendicular distance between first sealing washer bottom surface and the connecting block bottom surface, and the one end fixedly connected with arm-tie that passes the fixed plate of inserted bar, the one end that passes the slide of inserted bar are the arc structure, and the cover is equipped with the second spring on the inserted bar, the one end and the fixed plate fixed connection of second spring, the other end and the slide fixed connection of second spring.
Furthermore, an external thread section is arranged on the bolt rod, a hexagonal nut is connected to the external thread section of the bolt rod in a threaded mode, and a second sealing ring is fixedly connected to the upper surface of the hexagonal nut.
Furthermore, the lower extreme of shank of bolt is provided with the second shank of bolt, the top and the shank of bolt threaded connection of second shank of bolt have seted up the second external thread section on the second shank of bolt, threaded connection has the second hexagon nut on the second external thread section, the second external thread section of seting up on the second shank of bolt is opposite with the external thread section spiral direction that sets up on the shank of bolt, be provided with the second threaded rod on the second hexagon nut, the upper end and the hexagon nut threaded connection of second threaded rod, the rotatory handle of bottom fixedly connected with of second threaded rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the device is tightly connected with a through hole on the lower surface of a workpiece through a second sealing ring on the upper surface of a hexagon nut to finish the sealing work of the lower end, the movable sleeve is pressed downwards to drive a first sealing ring to move downwards, an inserted rod can move downwards in the process of moving the second sealing ring downwards and moves along a first groove and a second groove to be finally inserted into a slot, a fixing device finishes the fixing of the movable sleeve, the depth of the slot is greater than that of the first groove and the second groove to ensure that the inserted rod cannot be separated from the slot, in addition, the vertical distance between the central part of the inserted rod and the central part of the slot is 2mm greater than that between the bottom surface of the first sealing ring and the bottom surface of a connecting block, and before the inserted rod enters the slot, the first sealing ring is in contact with the upper surface of the workpiece and begins to deform, the device can seal the connecting hole of the fastener, which is contacted with the workpiece, effectively prevent the inside of the fastener from rusting and prolong the service life of the fastener;
2. when the device is used for disassembling a fastener, firstly, the hexagon nut at the lower end of the bolt rod is unscrewed, then the inserted rod is pulled out of the slot through the pull plate, the movable sleeve is ejected out by first paralysis under the reset acting force of the first spring, the disassembly and the assembly are convenient, meanwhile, the bolt rod and the connecting block, the threaded rod and the connecting block and the limiting plate are fixed in a threaded connection mode, and meanwhile, the movable sleeve is in sliding connection with the threaded rod, so that parts are easy to replace;
3. this device is connected with the second shank of bolt through the lower extreme at the shank of bolt, and the second external thread section that sets up on the second shank of bolt is opposite with the external screw thread section screw direction that sets up on the shank of bolt to lock through the second threaded rod between the two, make to form a structure not only whole but also contradiction each other between hexagon nut and the second hexagon nut, thereby make the connection between shank of bolt and the hexagon nut more firm, play the appearance that effectively prevents the not hard up condition.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of an active cannula according to one embodiment of the present invention;
FIG. 3 is a cross-sectional view of a movable sleeve being depressed in accordance with an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a connection block according to a first embodiment of the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 2 according to one embodiment of the present invention;
fig. 6 is a schematic overall structure diagram of a second embodiment of the present invention.
In the figure: 1. a limiting plate; 2. a threaded rod; 3. an active cannula; 4. a bolt shank; 5. a hexagonal nut; 6. a first spring; 7. connecting blocks; 8. a circular truncated cone is connected; 9. a connecting cylinder; 10. a first groove; 11. a second groove; 12. a slot; 13. a slide plate; 14. a through hole; 15. a first seal ring; 16. a second seal ring; 17. a second spring; 18. a fixing plate; 19. inserting a rod; 20. pulling a plate; 21. a second bolt shank; 22. a second threaded rod; 23. a second hexagonal nut; 24. rotating the handle; 25. an external threaded section; 26. a second outer thread segment.
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.
Example one
Referring to fig. 1-5, a fastener facilitating replacement of parts comprises a bolt rod 4, wherein a connecting block 7 is arranged at the upper end of the bolt rod 4, the connecting block 7 is in threaded connection with the bolt rod 4, the connecting block 7 is composed of a connecting circular truncated cone 8 and a connecting cylinder 9, a first groove 10 is formed in the outer side wall of the connecting circular truncated cone 8, a second groove 11 and a slot 12 are formed in the connecting cylinder 9, the lower end of the second groove 11 is communicated with the slot 12, the upper end of the second groove 11 is communicated with the lower end of the first groove 10, the depths of the first groove 10 and the second groove 11 are equal, and the depth of the slot 12 is greater than the depths of the first groove 10 and the second groove 11;
the upper end of the connecting block 7 is in threaded connection with a threaded rod 2, the top end of the threaded rod 2 is in threaded connection with a limiting plate 1, a movable sleeve 3 is arranged on the threaded rod 2, the movable sleeve 3 is in sliding connection with the threaded rod 2, the movable sleeve 3 and the threaded rod 2 are coaxially arranged, the lower bottom surface of the movable sleeve 3 is connected with the upper surface of the connecting block 7 through a first spring 6, the first spring 6 is sleeved on the threaded rod 2, a first sealing ring 15 is fixedly connected to the bottom of the movable sleeve 3, the first sealing ring 15 is made of rubber, and the first sealing ring 15 made of rubber can deform;
fixing devices are arranged on two sides of the movable sleeve 3, each fixing device comprises a fixing plate 18, the fixing plate 18 is fixedly connected with the outer side wall of the movable sleeve 3, an inserting rod 19 is slidably sleeved in the middle of the fixing plate 18, a through hole 14 is formed in the side wall of the movable sleeve 3, the inserting rod 19 is arranged in the through hole 14, a sliding plate 13 is fixedly connected onto the inserting rod 19, the sliding plate 13 is slidably connected with the through hole 14, one end, penetrating through the fixing plate 18, of the inserting rod 19 is fixedly connected with a pulling plate 20, the pulling plate 20 conveniently pulls the inserting rod 19, one end, penetrating through the sliding plate 13, of the inserting rod 19 is of an arc-shaped structure, the arc-shaped structure can enable the inserting rod 19 to better slide in the first groove 10 and the second groove 11, a second spring 17 is sleeved on the inserting rod 19, one end of the second spring 17 is fixedly connected with the fixing plate 18;
the vertical distance between the central part of the inserted rod 19 and the central part of the slot 12 is 2mm larger than the vertical distance between the bottom surface of the first sealing ring 15 and the bottom surface of the connecting block 7, an external thread section 25 is arranged on the bolt rod 4, a hexagonal nut 5 is in threaded connection with the external thread section 25 of the bolt rod 4, a second sealing ring 16 is fixedly connected to the upper surface of the hexagonal nut 5, and the second sealing ring 16 is a rubber sealing ring.
In the embodiment, the bolt rod 4 and the connecting block 7, and the threaded rod 2 and the connecting block 7 and the limiting plate 1 are fixed in a threaded connection manner, and the movable sleeve 3 and the threaded rod 2 are slidably connected, so that the whole device is very convenient to disassemble and easy to replace parts, when in use, the bolt rod 4 is firstly placed into a connecting hole of a workpiece, the hexagon nut 5 is connected from the lower end of the bolt rod 4 in a threaded manner, the hexagon nut 5 is screwed, the second sealing ring 16 on the upper surface of the hexagon nut 5 is tightly connected with the lower surface of the workpiece, the sealing work of the lower end is completed, then the movable sleeve 3 is pressed downwards along the direction of the bolt rod 4, the movable sleeve 3 drives the first sealing ring 15 to move downwards, the inserted rod 19 also moves downwards during the downward movement of the first sealing ring 15, and the inserted rod 19 moves along the first groove 10 and the second groove 11, finally, the movable sleeve 3 is inserted into the slot 12, the fixing device finishes the fixing of the movable sleeve 3, the depth of the slot 12 is greater than the depths of the first groove 10 and the second groove 11, the insertion rod 19 can be ensured not to be separated from the slot 12, in addition, the vertical distance between the central part of the insertion rod 19 and the central part of the slot 12 is 2mm greater than the vertical distance between the bottom surface of the first sealing ring 15 and the bottom surface of the connecting block 7, before the insertion rod 19 enters the slot 12, the first sealing ring 15 is already contacted with the upper surface of the workpiece and begins to deform, so as to seal the upper surface of the workpiece, the first sealing ring 15 has better sealing effect in the deformation process, when a fastener is disassembled, the hexagon nut 5 at the lower end of the bolt rod 4 is firstly unscrewed, then the insertion rod 19 is pulled out of the slot 12 through the pull plate 20, under the reset acting force of the first spring 6, the movable sleeve 3 is ejected by the first spring 6, the disassembly and the assembly are convenient.
Example two
Referring to fig. 6, a fastener facilitating replacement of parts comprises a bolt rod 4, wherein a connecting block 7 is arranged at the upper end of the bolt rod 4, the connecting block 7 is in threaded connection with the bolt rod 4, the connecting block 7 is composed of a connecting circular truncated cone 8 and a connecting cylinder 9, a first groove 10 is formed in the outer side wall of the connecting circular truncated cone 8, a second groove 11 and a slot 12 are formed in the connecting cylinder 9, the lower end of the second groove 11 is communicated with the slot 12, the upper end of the second groove 11 is communicated with the lower end of the first groove 10, the depths of the first groove 10 and the second groove 11 are equal, and the depth of the slot 12 is greater than the depths of the first groove 10 and the second groove 11;
the upper end of the connecting block 7 is in threaded connection with a threaded rod 2, the top end of the threaded rod 2 is in threaded connection with a limiting plate 1, a movable sleeve 3 is arranged on the threaded rod 2, the movable sleeve 3 is in sliding connection with the threaded rod 2, the movable sleeve 3 and the threaded rod 2 are coaxially arranged, the lower bottom surface of the movable sleeve 3 is connected with the upper surface of the connecting block 7 through a first spring 6, the first spring 6 is sleeved on the threaded rod 2, the bottom of the movable sleeve 3 is fixedly connected with a first sealing ring 15, and the first sealing ring 15 is made of rubber;
fixing devices are arranged on two sides of the movable sleeve 3, each fixing device comprises a fixing plate 18, the fixing plate 18 is fixedly connected with the outer side wall of the movable sleeve 3, an inserting rod 19 is slidably sleeved in the middle of the fixing plate 18, a through hole 14 is formed in the side wall of the movable sleeve 3, the inserting rod 19 is arranged in the through hole 14, a sliding plate 13 is fixedly connected onto the inserting rod 19, the sliding plate 13 is slidably connected with the through hole 14, one end, penetrating through the fixing plate 18, of the inserting rod 19 is fixedly connected with a pulling plate 20, one end, penetrating through the sliding plate 13, of the inserting rod 19 is of an arc-shaped structure, the arc-shaped structure enables the inserting rod 19 to better slide in the first groove 10 and the second groove 11, a second spring 17 is sleeved on the inserting rod 19, one end of the second spring 17 is fixedly connected with the fixing plate 18, and;
the vertical distance between the central part of the inserted rod 19 and the central part of the slot 12 is 2mm larger than the vertical distance between the bottom surface of the first sealing ring 15 and the bottom surface of the connecting block 7, an external thread section 25 is arranged on the bolt rod 4, a hexagonal nut 5 is in threaded connection with the external thread section 25 of the bolt rod 4, a second sealing ring 16 is fixedly connected to the upper surface of the hexagonal nut 5, and the second sealing ring 16 is a rubber sealing ring;
further, the lower extreme of shank of bolt 4 is provided with second shank of bolt 21, the top and the shank of bolt 4 threaded connection of second shank of bolt 21, second external thread section 26 has been seted up on the second shank of bolt 21, threaded connection has second hexagon nut 23 on the second external thread section 26, second external thread section 26 that sets up on the second shank of bolt 21 is opposite with the external thread section 25 spiral direction that sets up on shank of bolt 4, be provided with second threaded rod 22 on the second hexagon nut 23, the upper end and the hexagon nut 5 threaded connection of second threaded rod 22, the bottom fixedly connected with of second threaded rod rotates handle 24.
Compared with the first embodiment, the lower end of the bolt rod 4 is connected with the second bolt rod 21, the second external thread section 26 formed on the second bolt rod 21 is opposite to the external thread section 25 formed on the bolt rod 4 in the spiral direction, and the bolt rod and the second external thread section are locked through the second threaded rod 22, so that the hexagonal nut 5 and the second hexagonal nut 23 form an integral structure which is contradictory to each other, the connection between the bolt rod 4 and the hexagonal nut 5 is firmer, and the loosening condition is effectively prevented.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A fastener convenient for replacing parts comprises a bolt rod (4), and is characterized in that a connecting block (7) is arranged at the upper end of the bolt rod (4), and the connecting block (7) is in threaded connection with the bolt rod (4); the upper end of the connecting block (7) is in threaded connection with a threaded rod (2), the top end of the threaded rod (2) is in threaded connection with a limiting plate (1), a movable sleeve (3) is arranged on the threaded rod (2), the movable sleeve (3) is in sliding connection with the threaded rod (2), and the movable sleeve (3) and the threaded rod (2) are coaxially arranged; fixing devices are arranged on two sides of the movable sleeve (3).
2. The fastener convenient for replacing parts and components of claim 1, wherein the connecting block (7) is composed of a connecting circular truncated cone (8) and a connecting cylinder (9), a first groove (10) is formed in the outer side wall of the connecting circular truncated cone (8), and a second groove (11) and a slot (12) are formed in the connecting cylinder (9).
3. A fastener for facilitating replacement of parts according to claim 2, wherein the lower end of the second groove (11) is communicated with the slot (12), the upper end of the second groove (11) is communicated with the lower end of the first groove (10), the depth of the first groove (10) is equal to that of the second groove (11), and the depth of the slot (12) is greater than that of the first groove (10) and the second groove (11).
4. The fastener convenient for replacing the parts as claimed in claim 1, wherein the lower bottom surface of the movable sleeve (3) is connected with the upper surface of the connecting block (7) through a first spring (6), the first spring (6) is sleeved on the threaded rod (2), and the bottom of the movable sleeve (3) is fixedly connected with a first sealing ring (15).
5. The fastener convenient to replace parts according to claim 1, wherein the fixing device comprises a fixing plate (18), the fixing plate (18) is fixedly connected with the outer side wall of the movable sleeve (3), an inserting rod (19) is slidably sleeved in the middle of the fixing plate (18), a through hole (14) is formed in the side wall of the movable sleeve (3), the inserting rod (19) is arranged in the through hole (14), a sliding plate (13) is fixedly connected to the inserting rod (19), and the sliding plate (13) is slidably connected with the through hole (14).
6. The fastener convenient for replacing the parts as claimed in claim 5, wherein the vertical distance between the central part of the insert rod (19) and the central part of the slot (12) is 2mm larger than the vertical distance between the bottom surface of the first sealing ring (15) and the bottom surface of the connecting block (7), one end of the insert rod (19) penetrating through the fixing plate (18) is fixedly connected with a pulling plate (20), one end of the insert rod (19) penetrating through the sliding plate (13) is of an arc-shaped structure, a second spring (17) is sleeved on the insert rod (19), one end of the second spring (17) is fixedly connected with the fixing plate (18), and the other end of the second spring (17) is fixedly connected with the sliding plate (13).
7. The fastener for facilitating the replacement of parts and components as claimed in claim 1, wherein the bolt shaft (4) is provided with an external thread section (25), the external thread section (25) of the bolt shaft (4) is in threaded connection with a hexagonal nut (5), and the upper surface of the hexagonal nut (5) is fixedly connected with a second sealing ring (16).
8. The fastener convenient for replacing the parts as claimed in claim 1, wherein a second bolt rod (21) is arranged at the lower end of the bolt rod (4), the top end of the second bolt rod (21) is in threaded connection with the bolt rod (4), a second external thread section (26) is formed on the second bolt rod (21), a second hexagon nut (23) is in threaded connection with the second external thread section (26), the second external thread section (26) formed on the second bolt rod (21) is opposite to the external thread section (25) formed on the bolt rod (4) in the spiral direction, a second threaded rod (22) is arranged on the second hexagon nut (23), the upper end of the second threaded rod (22) is in threaded connection with the hexagon nut (5), and a rotating handle (24) is fixedly connected to the bottom end of the second threaded rod (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010527765.6A CN111649052B (en) | 2020-06-10 | 2020-06-10 | Fastener convenient to change spare part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010527765.6A CN111649052B (en) | 2020-06-10 | 2020-06-10 | Fastener convenient to change spare part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111649052A true CN111649052A (en) | 2020-09-11 |
| CN111649052B CN111649052B (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010527765.6A Active CN111649052B (en) | 2020-06-10 | 2020-06-10 | Fastener convenient to change spare part |
Country Status (1)
| Country | Link |
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| CN (1) | CN111649052B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727887A (en) * | 2020-12-29 | 2021-04-30 | 刘涛 | Fastening bolt |
| CN112942641A (en) * | 2021-01-27 | 2021-06-11 | 石硌鑫 | Connecting component for solving positive and negative deviations of large civil engineering structure |
| CN113323957A (en) * | 2021-06-02 | 2021-08-31 | 湖北明道新能源风电有限公司 | Bolt assembly with multi-section combined structure and combination method thereof |
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| DE3309884A1 (en) * | 1983-03-17 | 1984-09-27 | Thanh-Son Dipl.-Ing. 1000 Berlin Le | Reusable positively-locking lock for a screw/nut of a detachable screw connection |
| DE3841577A1 (en) * | 1988-12-09 | 1990-06-13 | Fischer Artur Werke Gmbh | INJECTION ADAPTER WITH A FASTENING ELEMENT AND METHOD FOR ATTACHING CORROSION PROTECTION |
| US5508758A (en) * | 1993-04-21 | 1996-04-16 | Nitto Seiko Co., Ltd. | Self-locking nut with threaded and self-locking members, useful for eye glasses, and a nut tightener and a nut supplier for same |
| CN202690652U (en) * | 2012-05-31 | 2013-01-23 | 孙传旗 | Easily-disassembled split-type bolt |
| CN202756388U (en) * | 2012-06-25 | 2013-02-27 | 中国十七冶集团有限公司 | Left-and-right turning locking device with push screw on major diameter shaft end |
| CN204099387U (en) * | 2014-06-10 | 2015-01-14 | 北京九方天和新能源技术股份有限公司 | A kind of antirust screw nut with rubber o-ring |
| CN207569011U (en) * | 2017-12-12 | 2018-07-03 | 河北福恩特电气设备集团有限公司 | Anticorrosion bolt |
| CN209510864U (en) * | 2019-02-22 | 2019-10-18 | 江西成德紧固件有限公司 | A kind of foldable gasket for unilateral bolt |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727887A (en) * | 2020-12-29 | 2021-04-30 | 刘涛 | Fastening bolt |
| CN112942641A (en) * | 2021-01-27 | 2021-06-11 | 石硌鑫 | Connecting component for solving positive and negative deviations of large civil engineering structure |
| CN113323957A (en) * | 2021-06-02 | 2021-08-31 | 湖北明道新能源风电有限公司 | Bolt assembly with multi-section combined structure and combination method thereof |
| CN113323957B (en) * | 2021-06-02 | 2022-06-17 | 湖北明道新能源风电有限公司 | Bolt assembly with multi-section combined structure and combination method thereof |
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