CN220540084U - Locking fastener that takes off - Google Patents
Locking fastener that takes off Download PDFInfo
- Publication number
- CN220540084U CN220540084U CN202322309082.5U CN202322309082U CN220540084U CN 220540084 U CN220540084 U CN 220540084U CN 202322309082 U CN202322309082 U CN 202322309082U CN 220540084 U CN220540084 U CN 220540084U
- Authority
- CN
- China
- Prior art keywords
- clamping
- plate
- positioning plate
- bottom plate
- nut
- 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.)
- Active
Links
- 238000003032 molecular docking Methods 0.000 description 10
- 210000001503 joint Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model relates to an anti-loosening fastening device which comprises a base and a nut butted with the base, wherein the base comprises a bottom plate, a butting column which is positioned on the upper surface of the base and provided with threads, and a plurality of clamping grooves which encircle the butting column, the clamping grooves are formed by inwards sinking from the upper surface of the bottom plate, the centers of the clamping groove ring bases are distributed, the inner walls of one sides of the clamping grooves form inclined planes, the nut comprises a positioning plate corresponding to the bottom plate, a containing part which is positioned at the center of the positioning plate and provided with butting threads, and a clamping part which is connected with the positioning plate, the containing part can be in threaded connection with the butting column, the clamping part comprises a movable space which is formed by inwards sinking from the outer side of the positioning plate, an expansion space which is positioned at one side of the movable space, the positioning plate which is provided with elasticity, the tail ends are provided with clamping plates, the clamping plates vertically downwards extend, and the clamping plates on the lower surface of the nut continuously pass through the cambered surfaces of one side of the clamping grooves to enter the next clamping groove through the structure of clamping grooves by continuously rotating the nut clockwise, and the clamping problem of loosening the nut is effectively avoided.
Description
Technical Field
Relates to the technical field of nut fixation, in particular to an anti-loosening fastening device.
Background
The nut is widely applied to a plurality of fields such as machining, manufacturing and the like for locking structural members, and in many cases, the nut is easy to loosen under the conditions of thermal expansion and contraction or vibration, so that the nut falls off; in the actual operation process, people use various methods to fasten the locked nut, such as strong glue, perforation secondary reinforcement and the like, but these methods cannot fundamentally solve the phenomenon of loosening and shifting the nut, increase the construction cost and reduce the installation efficiency.
Therefore, there is a need to develop a loosening prevention fastening device to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide an anti-loosening fastening device which is simple in structure and capable of effectively preventing nuts from loosening.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a locking fastener that takes off, its includes the base, with the nut of base butt joint, the base include the bottom plate, be located the base upper surface and have the butt joint post of screw thread, encircle a plurality of draw-in grooves of butt joint post, the draw-in groove is from the bottom plate upper surface is inwards sunken to form, the draw-in groove ring the base center distributes just the inner wall of draw-in groove one side forms the inclined plane, the nut include with the locating plate that the bottom plate corresponds, be located locating plate center and inner wall have the acceping portion of butt joint screw thread, with the clamping portion that the locating plate is connected, acceping portion can with butt joint post spiro union, the clamping portion include from the inside sunken active space that forms in locating plate outside, be located the extension space one side the extension space outside the locating plate has elasticity and terminal cardboard that has, cardboard vertical downwardly extending just one side is the cambered surface and with the cambered surface on one side of draw-in same direction.
Further, the edge of the bottom plate is provided with a protruding portion, the clamping grooves are radially arranged in the center of the bottom plate, the inner ends of the clamping grooves are aligned to the center of the bottom plate, and the outer ends of the clamping grooves are in contact with the inner wall of the protruding portion.
Further, one side of the inclined plane is connected with the upper surface of the bottom plate, the other side of the inclined plane is connected with the bottom of the clamping groove, and the inner wall of the other side of the clamping groove is perpendicular to the bottom plate.
Further, one end of the expansion space is communicated with the movable space, and the other end of the expansion space extends a distance along the outer wall of the accommodating part.
Further, the top of the clamping plate extends vertically upwards from the upper surface of the positioning plate, and the bottom of the clamping plate extends vertically downwards from the surface of the positioning plate.
Further, from the cambered surface of cardboard bottom one side inwards sunken formation empty slot, empty slot will the cambered surface of cardboard one side separates.
Further, the height of the bottom of the clamping plate is equal to the height of the clamping groove.
Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to an anti-loosening fastening device which has the characteristics of simple structure and effectively avoiding loosening of a nut, and by continuously rotating the nut clockwise, a clamping plate on the lower surface of the nut continuously enters the next clamping groove through the cambered surface on one side of the clamping groove until a positioning plate is contacted with a bottom plate, and the clamping plate is clamped with the clamping groove, so that the problem of loosening of the nut is effectively avoided.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is an exploded view of a three-dimensional structure of a loosening prevention fastening device according to the present utility model;
FIG. 2 is a schematic view of a base structure of the anti-loosening fastening device shown in FIG. 1;
FIG. 3 is a schematic view of the nut of the anti-loosening fastening device of FIG. 1;
fig. 4 is a schematic view of another angular configuration of the nut of the anti-loosening fastening device shown in fig. 3.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, the present utility model is an anti-loosening fastening device, which includes a base 1 and a nut 2 abutting against the base 1.
Referring to fig. 1 to 2, the base 1 is a circular plate body, and includes a bottom plate 11, a plurality of butt posts 12 mounted on the surface of the bottom plate 11, the bottom plate 11 is a circular plate body, a protruding portion 13 is disposed at the edge of the bottom plate 11, the bottom of the protruding portion 13 is fixedly connected with the bottom plate 11, the top of the protruding portion extends vertically upwards and surrounds the bottom plate 11, a plurality of clamping grooves 14 with the same shape are formed by recessing inwards from the surface of the bottom plate 11 on the inner side of the protruding portion 13, the plurality of clamping grooves 14 are distributed around the center of the bottom plate 11, and a plurality of clamping grooves 14 are radially disposed at the center of the bottom plate 11, the inner ends of the clamping grooves are aligned with the center of the bottom plate 11, and the outer ends of the clamping grooves contact the inner wall of the protruding portion 13.
The spacing between a plurality of clamping grooves 14 is the same, the inner wall of one side of the clamping groove 14 forms an inclined plane 141, one side of the inclined plane 141 is connected with the upper surface of the bottom plate 11, the other side is connected with the bottom of the clamping groove 14, and the inner wall of the other side of the clamping groove 14 is perpendicular to the upper surface of the bottom plate 11.
Referring to fig. 2, a plurality of docking posts 12 are distributed around the center of the bottom plate 11 and have the same shape, the bottom of the docking posts 12 is fixedly connected with the upper surface of the bottom plate 11, the top of the docking posts extends upwards in an arc shape, the diameter of the bottom of the docking posts 12 is larger than the diameter of the top of the docking posts, spherical surfaces are formed in the docking posts, the plurality of docking posts 12 are spaced at the same distance, threads 121 are formed on the surface of the outer arm of the docking post 12, and the threads 121 extend upwards spirally along the surface of the docking post 12 from the bottom of the docking post 12.
Referring to fig. 3 to 4, the nut 2 includes a positioning plate 21, a receiving portion 22 located at a central position of the positioning plate 21, and a holding portion 23 mounted on one side of the receiving portion 22, wherein the positioning plate 21 is a hollow circular plate body having a diameter smaller than that of the bottom plate 11, the positioning plate 21 surrounds the receiving portion 22, the receiving portion 22 includes a body 221, a receiving post 222 located in the body 221, and a receiving cavity 223 located in the receiving post, the inner and outer sides of the body 221 are fixedly connected with the positioning plate 21 and the receiving post 222, respectively, the outer side of the body 221 is a slant surface, the positioning plate 21 is connected with the inner side of the body 22 obliquely downward, a plurality of grooves 224 are formed by recessing inwards from the slant surface, the plurality of grooves 224 surround the body 221 and have a space, the space distance is the same, the inner side of the body 221 is connected with the receiving post 222, the receiving post 222 is a hollow cylinder, the top of the body 221 is fixedly connected with the bottom of the body 221, the receiving cavity 223 is located at a central position of the receiving post 222, the receiving cavity 223 is a circular through hole and is matched with the butt post 12, the inner wall 225 has a butt thread 225, the butt thread 226 can be matched with the butt thread 226, the butt thread 226 can be further matched with the body 221, and the inner wall 221 is further recessed from the inner side surface of the other end is formed by the concave cavity 222.
Referring to fig. 4, the holding portion 23 includes a movable space 231 formed by recessing from the outer side of the positioning plate 21 inwards, a clamping plate 232 disposed in the movable space, wherein the inner end of the movable space 231 extends to the outer wall of the body 221, an expansion space 233 is disposed at one side of the movable space 231, one end of the expansion space 233 is communicated with the movable space, the other end of the expansion space extends along the outer wall of the body 221 by a certain distance, the positioning plate 21 located at the outer side of the expansion space 233 has a flexible property, the tail end of the expansion space forms the clamping plate 232, the top of the clamping plate 232 extends upwards vertically from the upper surface of the positioning plate 21, the bottom of the clamping plate 232 extends downwards vertically from the surface of the positioning plate 21, an arc surface is disposed at one side of the bottom of the clamping plate 232, an empty slot 234 is formed by recessing inwards from the surface of the arc surface, and the empty slot 234 separates the arc surface at one side of the clamping plate 232, and the height of the bottom of the clamping plate 232 is equal to the height of the clamping slot 14.
The cambered surface on one side of the bottom of the clamping plate 232 and the cambered surface on one side of the clamping groove 14 are positioned in the same direction.
Referring to fig. 1, the surface of the positioning plate 21 is further provided with a pulling plate 20, the pulling plate 20 is perpendicular to the positioning plate 21, and extends inwards along the surface of the positioning plate 21 to be fixedly connected with the outer wall of the body 211, and the pulling plate 20 and the clamping plate 232 are on the same horizontal line.
When the anti-loosening fastening device is used, the nut 2 is positioned above the base 1, the butting column 12 stretches into the accommodating cavity 223, the butting thread 225 is in threaded connection with the thread 221, the nut 2 is rotated clockwise, the clamping plate 232 enters one clamping groove 14 of the clamping grooves 14, as the nut 2 continuously rotates, the positioning plate 21 positioned outside the expansion space 233 can elastically move, one side of the cambered surface at the bottom of the clamping plate 232 enters the next clamping groove 14 through the cambered surface at one side of the clamping groove 14 until the lower surface of the positioning plate 21 abuts against the upper surface clamping plate surface of the bottom plate 11, and the fixation is completed.
The utility model relates to an anti-loosening fastening device which has the characteristics of simple structure and effectively avoiding loosening of a nut, and by continuously rotating the nut clockwise, a clamping plate on the lower surface of the nut continuously enters the next clamping groove through the cambered surface on one side of the clamping groove until a positioning plate is contacted with a bottom plate, and the clamping plate is clamped with the clamping groove, so that the problem of loosening of the nut is effectively avoided.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. An anti-loosening fastening device is characterized in that: the nut comprises a base and a nut butted with the base, wherein the base comprises a bottom plate, a butting column which is arranged on the upper surface of the base and provided with threads, and a plurality of clamping grooves which encircle the butting column, the clamping grooves are formed by inwards sinking from the upper surface of the bottom plate, clamping groove rings are distributed at the center of the base, inclined planes are formed on the inner wall of one side of the clamping grooves, the nut comprises a positioning plate corresponding to the bottom plate, a containing part which is arranged at the center of the positioning plate and provided with butting threads on the inner wall, and a clamping part which is connected with the positioning plate, the containing part can be in threaded connection with the butting column, the clamping part comprises an active space which is formed by inwards sinking from the outer side of the positioning plate, an expanding space which is arranged on one side of the active space, the positioning plate is provided with elasticity, clamping plates are arranged at the tail ends, and vertically downwards extended, one side of the clamping plates is an arc surface, and the arc surface on one side of the clamping groove is in the same direction.
2. The anti-loosening fastening device according to claim 1, wherein: the edge of the bottom plate is provided with a protruding part, the clamping grooves are radially arranged in the center of the bottom plate, the inner ends of the clamping grooves are aligned to the center of the bottom plate, and the outer ends of the clamping grooves are in contact with the inner wall of the protruding part.
3. The anti-loosening fastening device of claim 2, wherein: one side of the inclined plane is connected with the upper surface of the bottom plate, the other side of the inclined plane is connected with the bottom of the clamping groove, and the inner wall of the other side of the clamping groove is perpendicular to the bottom plate.
4. The anti-loosening fastening device according to claim 1, wherein: one end of the expansion space is communicated with the movable space, and the other end of the expansion space extends a distance along the outer wall of the accommodating part.
5. The anti-loosening fastening device according to claim 1, wherein: the top of the clamping plate extends vertically upwards from the upper surface of the positioning plate, and the bottom of the clamping plate extends vertically downwards from the surface of the positioning plate.
6. The anti-loosening fastening device of claim 5, wherein: the cambered surface on one side of the bottom of the clamping plate is inwards recessed to form a hollow groove, and the hollow groove separates the cambered surface on one side of the clamping plate.
7. The anti-loosening fastening device of claim 6, wherein: the height of the bottom of the clamping plate is equal to the height of the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322309082.5U CN220540084U (en) | 2023-08-28 | 2023-08-28 | Locking fastener that takes off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322309082.5U CN220540084U (en) | 2023-08-28 | 2023-08-28 | Locking fastener that takes off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220540084U true CN220540084U (en) | 2024-02-27 |
Family
ID=89964855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322309082.5U Active CN220540084U (en) | 2023-08-28 | 2023-08-28 | Locking fastener that takes off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220540084U (en) |
-
2023
- 2023-08-28 CN CN202322309082.5U patent/CN220540084U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5468105A (en) | Ceiling insert | |
| US4299520A (en) | Drive nut | |
| US5658108A (en) | Electrical connection terminal assembly and tilt washer | |
| JPS62200288A (en) | Nuclear reactor | |
| CN220540084U (en) | Locking fastener that takes off | |
| KR20170097357A (en) | Pole connection for concrete poles | |
| US20050040650A1 (en) | Easy assembled tube connector | |
| US5255173A (en) | Chandelier assemblies made of interlocking components | |
| US4016694A (en) | Snap-connectable lattice assembly for electrical-circuit tiles | |
| CN209724900U (en) | A kind of furniture connection lock fastener | |
| CN210599798U (en) | Positioning sleeve bolt assembly | |
| CN215370549U (en) | Bolt with positive and negative spiral locking structure | |
| CN213776024U (en) | Fastening and anti-loosening component for paperboard processing equipment | |
| JPH04136515A (en) | Screw member and connecting structure | |
| CN212170171U (en) | Quick processing positioning assembly for insulating rod | |
| CN212900429U (en) | Ground anchor bolt | |
| CN220035696U (en) | Steel construction beam column node connecting device | |
| CN220540071U (en) | Gap adjusting nut | |
| CN213332018U (en) | Bent pipe convenient to process and used for throttle line | |
| CN221020743U (en) | Nail type clamp | |
| CN111906562A (en) | Car coupler clamping device | |
| CN216882437U (en) | Positioning tool | |
| CN215890743U (en) | Square welded nut | |
| CN217518090U (en) | Square tube support's quadrangular structure unit and special square tube connects thereof | |
| CN212717508U (en) | Cross joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |