CN115789060B - Sealing anti-loosening bolts - Google Patents
Sealing anti-loosening boltsInfo
- Publication number
- CN115789060B CN115789060B CN202211267299.8A CN202211267299A CN115789060B CN 115789060 B CN115789060 B CN 115789060B CN 202211267299 A CN202211267299 A CN 202211267299A CN 115789060 B CN115789060 B CN 115789060B
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- China
- Prior art keywords
- ring section
- threaded hole
- sealing
- ring
- section
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- 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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Abstract
The invention relates to a sealing check bolt which is used for connecting a first threaded hole connected piece and a second threaded hole connected piece, wherein the rotation direction of the first threaded hole is the same as that of the second threaded hole, the diameter of the first threaded hole is larger than that of the second threaded hole, the sealing check bolt comprises a bolt, a first ring section and a second ring section, the first ring section is arranged in the first threaded hole, two end faces of the first ring section are inclined planes, the included angle between the two inclined planes and the top face of the first ring section is an obtuse angle, the first ring section is provided with a first threaded section matched with the first threaded hole, the first threaded hole is also provided with a second ring section, the connected piece is provided with a limiting groove communicated with the first threaded hole, the limiting groove is internally provided with a limiting piece, the second ring section is circumferentially fixed with the limiting piece, and the first ring section and the second ring section are combined to form a closed ring. The sealing lockbolt has good locking effect and is not easy to loosen.
Description
Technical Field
The invention relates to the technical field of bolts, in particular to a sealing check bolt.
Background
The bolt assembly is a component for fastening two parts with through holes, which is widely used in production and life, and has become an indispensable part in industrial production. However, the bolt assembly is very easy to loosen after the parts are screwed up, especially the vehicles running at high speed, the continuously running machine equipment and the like can generate vibrations of different degrees in long-term machine running, the bolts are very easy to loosen and even fall off due to the vibrations, if the fastening bolts of the running machine equipment loosen and fall off, the safety of personnel and great property loss are likely to be affected, in addition, in order to prevent external impurities and external fluid from penetrating and leaking from the bolt connection parts, the bolt assembly is required to have a sealing effect, and the sealing effect and the anti-loosening effect of the existing bolt assembly are poor.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides the sealing check bolt which has good sealing and anti-loosening effects and is not easy to loosen.
The sealing lockbolt comprises a bolt, the bolt comprises a screw part and a screw head arranged at the upper end of the screw part, a first ring section with a central angle larger than one hundred eighty degrees is fixedly connected on the screw part below the screw head, the first ring section is arranged in the first screw hole, two end faces of the first ring section are inclined planes, the included angles between the inclined planes and the top face of the first ring section are obtuse angles, one side, away from the center of the first ring section, of the first ring section is provided with a first thread section matched with the first screw hole, the first screw hole is also internally provided with a second ring section, the connected part is provided with a limit groove communicated with the first screw hole, the limit groove is internally provided with a limit piece, the second ring section and the limit piece are fixedly connected with the screw part at a central angle larger than one hundred eighty degrees, the first ring section is arranged in the first screw hole, the seal ring section is circumferentially connected with the seal ring, the seal ring assembly is arranged at the lower end of the seal ring, and the seal ring assembly is arranged between the seal ring assembly and the seal ring, and the seal ring assembly is arranged at the lower end of the seal ring.
Preferably, two inclined planes of the first ring section are provided with upward blind holes, and the second ring section is provided with protrusions which are in plug-in fit with the blind holes.
Preferably, a groove extending vertically is formed in one side, far away from the axis of the bolt, of the second ring section, and a convex strip matched with the groove is arranged on the limiting piece.
Preferably, the screw head is a hexagonal screw head.
Preferably, a transition section is arranged between the screw head and the screw rod part, and a flexible sealing ring is arranged on the transition section.
Preferably, the flexible sealing ring is an inverted cone sleeved on the transition section.
Preferably, the sealing cover completely covers the top surface of the closed ring formed by combining the first ring section and the second ring section, and the outer edge of the bottom surface of the sealing cover is connected with the rubber sleeve matched with the connected piece in a sealing way.
The sealing check bolt has the beneficial effects that the sealing check bolt comprises the bolt body, the bolt body comprises the screw rod part and the screw head arranged at the upper end of the screw rod part, the screw rod part below the screw head is provided with the first ring section with the central angle larger than one hundred eighty degrees, the first ring section is matched with the first threaded hole through the screw thread pair, the first threaded hole is also internally provided with the second ring section, the connected piece is provided with the limit groove communicated with the first threaded hole, the second ring section extends into the limit groove from the first threaded hole, the screw rod is assembled with the second ring section after being combined in the first threaded hole through the first ring section, so that the first ring section and the second ring section form a complete closed loop, and when the bolt is in loose rotation due to vibration, the second ring section cannot rotate along with the bolt to lock the first ring section so as to realize locking of the bolt.
Drawings
FIG. 1 is a schematic view of a structural seal lockbolt of the present invention.
Fig. 2 is a top view of a first ring segment of the present invention.
FIG. 3 is a front view of a second ring segment of the present invention
Fig. 4 is a schematic view of the assembly of a first ring segment and a second ring segment according to the invention.
The reference numerals indicate that 1, a connected piece, 101, a first threaded hole, 102, a through hole, 103, a limit groove, 2, a connecting piece, 201, a second threaded hole, 3, a bolt, 301, a screw head, 302, a screw rod part, 303, a transition section, 4, a first ring section, 401, an inclined plane, 402, a blind hole, 5, a second ring section, 501, a bulge, 502, a groove, 6, a limit piece, 601, a raised strip, 8, a sealing cover, 801, a rubber sleeve and 9, and a flexible sealing ring.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
As shown in fig. 1 to 4, the present embodiment provides a sealing lockbolt for connecting a connected member 1 provided with a first threaded hole 101 and a connecting member 2 provided with a second threaded hole 201, the first threaded hole 101 and the second threaded hole 201 have the same rotation direction, the diameter of the first threaded hole 101 is larger than that of the second threaded hole 201, the sealing lockbolt comprises a bolt 3, the bolt 3 comprises a screw portion 302 and a screw head 301 arranged at the upper end of the screw portion 302, and a first ring section 4 with a central angle larger than one hundred eighty degrees is fixedly connected on the screw portion 302 below the screw head 301. Preferably, the first ring section 4 is in through the vice cooperation of screw thread first screw hole 101, the two terminal surfaces of first ring section 4 are inclined plane 401, two inclined plane 401 is obtuse angle with the top surface contained angle of first ring section 4, the first ring section 4 keep away from its centre of a circle one side be equipped with first screw hole 101 complex first screw thread section, still be equipped with second ring section 5 in the first screw hole 101, be equipped with the spacing groove 103 with first screw hole 101 intercommunication on by connecting piece 1, be equipped with locating part 6 in the spacing groove 103, second ring section 5 and locating part 6 circumference are fixed, first ring section 4 with the second ring section 5 combines the back to become the closure ring, seal check bolt still includes seal assembly, seal assembly is including setting up flexible sealing ring 9 between spiral shell head 301 and screw rod portion 302 and setting up 8 in spiral shell head 301 below, seal check bolt simple structure of this embodiment can effectively prevent 3 not hard up, and sealed good sealing effect.
The sealing lockbolt of this embodiment prevents the loosening of bolt 3 through the locking of first ring section 4 and second ring section 5, the screw rod portion 302 rigid coupling of first ring section 4 and bolt 3, first ring section 4 is through setting up first screw hole 101 on its first screw thread section and by connecting piece 1, when bolt 3 becomes flexible, bolt 3 can rotate and upwards move, first ring section 4 rotates thereupon, when first ring section 4 rotates, a inclined plane 401 on the first ring section 4 can butt on second ring section 5 and promote second ring section 5, because the existence of inclined plane 401, the first ring section 4 is to the slope of the applied power of second ring section 5 upwards, because the existence of locating part 6, second ring section 5 can not follow bolt 3 rotation and can lock first ring section 4 and make it can not rotate.
In this embodiment, two inclined planes 401 of the first ring section 4 are provided with an upward opening blind hole 402, the second ring section 5 is provided with a protrusion 501 in insertion fit with the blind hole 402, one side of the second ring section 5 away from the axis of the bolt 3 is provided with a groove 502 extending vertically, the limiting piece 6 is provided with a convex strip 601 in engagement with the groove 502, the screw portion 302 of the mounting bolt 3 is screwed into the second threaded hole 201, meanwhile, the first ring section 4 is screwed into the first threaded hole 101, the bolt 3 is continuously rotated to align the notch of the first ring section 4 with the limiting groove 103 on the connected piece 1, and then the second ring section 5 and the limiting piece 6 are installed to enable the convex strip 601 on the limiting piece 6 to be in insertion fit with the groove 502 on the second ring section 5.
In this embodiment, the sealing cover 8 completely covers the top surface of the closed ring formed by combining the first ring segment 4 and the second ring segment 5, and the outer edge of the bottom surface of the sealing cover 8 is connected with the rubber sleeve 801 in sealing fit with the connected piece 1, so that the gap between the first ring segment 4 and the second ring segment 5 is isolated from the outside by the sealing cover 8, and impurities and outside fluid are prevented from penetrating into each screw hole.
In this embodiment, a transition section 303 is disposed between the screw head 301 and the screw portion 302, the flexible sealing ring 9 is disposed on the transition section 303, when the screw portion 302 is screwed into the second threaded hole 201, the transition section 303 passes through the through hole 102 at the bottom of the connected component 1, the flexible sealing ring 9 is compressed and deformed, and the deformed flexible sealing ring 9 is filled and sealed between the connected component 1 and the connecting component 2.
When the sealing check bolt is used, the first threaded hole 101 on the connected piece 1 and the second threaded hole 201 on the connecting piece 2 are coaxial, the flexible sealing ring 9 is sleeved on the transition section 303, the screw portion 302 of the bolt 3 penetrates through the connected piece 1 to be matched with the second threaded hole 201, after the bolt continues to rotate, the first ring section 4 is matched with the first threaded hole 101, then the bolt 3 continues to rotate to enable the notch of the first ring section 4 to be aligned with the limit groove 103 on the connected piece 1, then the second ring section 5 and the limit piece 6 are installed, and the convex strip 601 on the limit piece 6 is in plug-in fit with the groove 502 on the second ring section 5, so that the screw head 301 of the embodiment adopts a hexagonal bolt head.
While the basic principles and main features of the invention and advantages of the invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (5)
1. The sealing check bolt is used for connecting a connected piece provided with a first threaded hole and a connecting piece provided with a second threaded hole, the rotation directions of the first threaded hole and the second threaded hole are the same, the diameter of the first threaded hole is larger than that of the second threaded hole, the sealing check bolt is characterized by comprising a bolt, the bolt comprises a screw rod part and a screw head arranged at the upper end of the screw rod part, a first ring section with a central angle larger than one hundred eighty degrees is fixedly connected on the screw rod part below the screw head, the first ring section is arranged in the first threaded hole, two end faces of the first ring section are inclined planes, the included angles between the inclined planes and the top surface of the first ring section are obtuse angles, one side of the first ring section away from the center of a circle of the first ring section is provided with a first threaded section matched with the first threaded hole, the first threaded hole is also provided with a second ring section, a limit groove communicated with the first threaded hole is arranged on the connected piece, a limit piece is arranged in the limit groove, the second ring section and the limit piece is circumferentially fixed with the limit piece, the first ring section and the second ring section and the limit piece are combined with the screw head to form a sealing assembly;
The two inclined planes of the first ring section are respectively provided with an upward blind hole with an opening, and the second ring section is provided with a bulge which is in plug-in fit with the blind hole;
One side of the second ring section far away from the axis of the bolt is provided with a groove which extends vertically, and the limiting piece is provided with a convex strip matched with the groove.
2. The sealing lockbolt of claim 1, wherein the screw head is a hex screw head.
3. The sealing lockbolt of claim 1, wherein a transition section is provided between the screw head and the screw portion, and a flexible sealing ring is provided on the transition section.
4. The sealing lockbolt of claim 3, wherein the flexible sealing ring is an inverted cone member that fits over the transition section.
5. The sealing lockbolt of claim 1, wherein the sealing cover completely covers the top surface of the closed ring formed by combining the first ring section and the second ring section, and the rubber sleeve in sealing fit with the connected piece is connected to the outer edge of the bottom surface of the sealing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211267299.8A CN115789060B (en) | 2022-10-17 | 2022-10-17 | Sealing anti-loosening bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211267299.8A CN115789060B (en) | 2022-10-17 | 2022-10-17 | Sealing anti-loosening bolts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115789060A CN115789060A (en) | 2023-03-14 |
| CN115789060B true CN115789060B (en) | 2026-02-17 |
Family
ID=85433065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211267299.8A Active CN115789060B (en) | 2022-10-17 | 2022-10-17 | Sealing anti-loosening bolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115789060B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN218718110U (en) * | 2022-10-17 | 2023-03-24 | 泉州市宏宇机械制造有限公司 | Anti-loosening bolt assembly |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB923034A (en) * | 1960-12-20 | 1963-04-10 | James Henry Devine | Bolt with self-contained multi-part nut |
| CN108561409A (en) * | 2018-07-16 | 2018-09-21 | 四川中伦精密机械有限公司 | Embedding spring formula double anti-loosing nut |
| KR102278631B1 (en) * | 2019-07-03 | 2021-07-16 | 윤준현 | Rotating coupling member having torque limiting function |
| CN212536401U (en) * | 2020-06-03 | 2021-02-12 | 海盐光大标准件股份有限公司 | An anti-loosening bolt assembly |
-
2022
- 2022-10-17 CN CN202211267299.8A patent/CN115789060B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN218718110U (en) * | 2022-10-17 | 2023-03-24 | 泉州市宏宇机械制造有限公司 | Anti-loosening bolt assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115789060A (en) | 2023-03-14 |
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