CN216343321U - Internal locking nut - Google Patents
Internal locking nut Download PDFInfo
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- CN216343321U CN216343321U CN202121676624.7U CN202121676624U CN216343321U CN 216343321 U CN216343321 U CN 216343321U CN 202121676624 U CN202121676624 U CN 202121676624U CN 216343321 U CN216343321 U CN 216343321U
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- fastening
- nut
- butt joint
- locknut
- boss
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Abstract
The utility model discloses an internal locking nut, which belongs to the technical field of nuts and comprises a fastening nut and a locknut, wherein the locknut is arranged on the upper side of the fastening nut, a fastening groove is formed in the inner wall of the locknut, a butt joint boss is fixedly connected to the upper surface of the fastening nut, a notch is formed in one side of the butt joint boss, a fastening block is arranged in the notch, the fastening block is matched with the butt joint boss to form a ring shape, and the outer diameter of the butt joint boss is slightly smaller than the inner diameters of the fastening nut and the locknut. The internal locking nut provided by the utility model is convenient to use, can ensure that the nut cannot loosen and lose the fastening property under the vibration condition, has high fastening performance, is firm, has long service life, and brings more design feasibility for fastening parts.
Description
Technical Field
The utility model belongs to the technical field of nuts, and particularly relates to an internal locking nut.
Background
The nut is used for products required by fastening structures and connecting structures, and is an important accessory of the products.
The molding and the fixed old of fastening form of current nut, use the restriction, the function is single, the nut loosens with the screw easily under the vibration condition, thereby lose the fastening, lead to adapting unit disintegration, the approach of solving this problem at present only adds resistant glue at the nut inboard, nevertheless resistant glue falling wear resistance is poor, after several dismouting nuts, resistant glue falling has serious wearing and tearing and the obscission, thereby the locking performance of taking off reduces by a wide margin, and can bring environmental pollution scheduling problem because of its manufacturing and processing technology, be difficult to satisfy the requirement in environmental protection and trade market. Therefore, it is necessary to improve the existing nut, so that the nut is convenient to fasten, high in safety performance, convenient to disassemble, assemble and maintain, material-saving, and capable of reducing installation space and environmental protection requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the inner locking nut aims to solve the problems that glue falling resistance is added on the inner side of the nut, but the glue falling resistance and abrasion resistance are poor, after the nut is disassembled and assembled for several times, the glue falling resistance can cause serious abrasion and falling phenomena, the anti-loosening performance is greatly reduced, and environmental pollution can be caused due to the manufacturing and processing technology of the inner locking nut.
In order to achieve the purpose, the utility model adopts the following technical scheme:
interior lock nut, including fastening nut and locknut, the fastening nut upside is provided with locknut, and fastening recess has been seted up to locknut's inner wall, and fastening nut's last fixed surface is connected with the butt joint boss, and one side of butt joint boss is provided with the breach, is provided with the tight piece in the breach, and the tight piece cooperation butt joint boss forms a ring shape, and the external diameter of butt joint boss slightly is less than fastening nut and locknut's internal diameter.
As a further description of the above technical solution:
the butt joint boss is in a semicircular table shape, and first threads are arranged on the inner wall of the butt joint boss.
As a further description of the above technical solution:
the fastening block is in a semicircular arc shape and is matched with the butt joint boss, the inner wall of the fastening block is provided with a second thread, and the first thread and the second thread are matched with each other.
As a further description of the above technical solution:
the thickness of the outer wall of the fastening block is more than that of the outer wall of the butt joint boss.
As a further description of the above technical solution:
a first fit clearance and a second fit clearance are arranged between the butt joint boss and the fastening block.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
the internal locking nut provided by the utility model is convenient to use, can ensure that the nut cannot loosen and lose the fastening property under the vibration condition, has high fastening performance, is firm, has long service life, and brings more design feasibility for fastening parts.
Drawings
FIG. 1 is a schematic three-dimensional structure of an inner lock nut according to the present invention;
FIG. 2 is a schematic perspective partial cross-sectional view of an inner lock nut according to the present invention;
FIG. 3 is an exploded perspective partial cross-sectional view of the inner locking nut of the present invention;
FIG. 4 is a schematic perspective view of a fastening nut and a docking boss of the internal locking nut according to the present invention;
fig. 5 is a schematic structural diagram of a top view of the abutting boss and the fastening block in the internal locking nut according to the present invention.
Illustration of the drawings:
1. fastening a nut; 2. a locknut; 3. a fastening block; 4. fastening the groove; 5. butting bosses; 6. an outer wall; 7. a notch; 8. a first fit clearance; 9. a second mating clearance.
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. 1-5, the present invention provides a technical solution: the inner locking nut comprises a fastening nut 1 and a locking nut 2, the locking nut 2 is arranged on the upper side of the fastening nut 1, a fastening groove 4 is formed in the inner wall of the locking nut 2, a butt joint boss 5 is fixedly connected to the upper surface of the fastening nut 1, the butt joint boss 5 is in a semicircular table shape, a first thread is arranged on the inner wall of the butt joint boss 5, a notch 7 is formed in one side of the butt joint boss 5, a fastening block 3 is arranged in the notch 7, the fastening block 3 is in a semicircular arc shape and is mutually matched with the butt joint boss 5, and by arranging the butt joint boss 5 and the fastening block 3, a bolt can be effectively clamped when the butt joint boss 5 and the fastening block 3 are close to each other, so that the effect of fixing the bolt is achieved, and the fastening nut 1 and the locking nut 2 are fixedly fixed on the bolt;
the inner wall of the fastening block 3 is provided with a second thread, the first thread and the second thread are mutually matched, the fastening block 3 is matched with the butt joint boss 5 to form a ring shape, the first thread and the second thread are arranged, the first thread and the second thread are clamped in the threads on the screw, the fastening and locking effects are achieved, the thickness of the outer wall 6 of the fastening block 3 is larger than that of the outer wall 6 of the butt joint boss 5, when the locknut 2 is screwed in, the locknut is gradually screwed in by the fastening groove 4, the fastening block 3 is extruded by the fastening groove 4 to move towards the inner side of the fastening nut 1 along the gap 7 of the fastening nut 1, and the threads on the screw are propped against the threads on the screw by the threads on the inner side of the fastening block 3, so that the fastening and locking effects are achieved;
be provided with first fit clearance 8 and second fit clearance 9 between butt joint boss 5 and the tight piece 3, the external diameter of butt joint boss 5 slightly is less than fastening nut 1 and locknut 2's internal diameter, through setting up first fit clearance 8 and second fit clearance 9, avoids boss and tight piece 3 bump in the nut fastening process, leads to hindering tight piece 3 to remove the tight screw in top to the inboard.
The working principle is as follows: during fastening, the fastening nut 1 is screwed into the screw, the fastening block 3 is placed in the notch 7 of the fastening nut 1, then the locknut 2 is screwed into the screw, the butt joint boss 5 is arranged on the fastening nut 1, the fastening groove 4 corresponding to the butt joint boss 5 is arranged on the locknut 2, and the butt joint boss 5 and the fastening block 3 are completely wrapped by the fastening groove 4 on the locknut 2, so that fastening is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. Interior lock nut, including fastening nut (1) and locknut (2), its characterized in that, fastening nut (1) upside is provided with locknut (2), and fastening recess (4) have been seted up to the inner wall of locknut (2), and the last fixed surface of fastening nut (1) is connected with butt joint boss (5), and one side of butt joint boss (5) is provided with breach (7), is provided with compact heap (3) in breach (7), and compact heap (3) cooperation butt joint boss (5) form a ring shape, and the external diameter of butt joint boss (5) slightly is less than the internal diameter of fastening nut (1) and locknut (2).
2. The internal locking nut as claimed in claim 1, wherein the abutment boss (5) is in the shape of a half circular truncated cone, and the inner wall of the abutment boss (5) is provided with a first thread.
3. The internal locking nut as claimed in claim 1, wherein the locking piece (3) is semi-circular and is adapted to the abutment boss (5), the inner wall of the locking piece (3) is provided with a second thread, and the first thread and the second thread are engaged with each other.
4. The internal locking nut as claimed in claim 1, characterized in that the thickness of the outer wall (6) of the setting block (3) is greater than the thickness of the outer wall (6) of the abutment boss (5).
5. The internal locking nut as claimed in claim 1, characterized in that a first mating gap (8) and a second mating gap (9) are provided between the abutment boss (5) and the tightening block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121676624.7U CN216343321U (en) | 2021-07-22 | 2021-07-22 | Internal locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121676624.7U CN216343321U (en) | 2021-07-22 | 2021-07-22 | Internal locking nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216343321U true CN216343321U (en) | 2022-04-19 |
Family
ID=81160830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121676624.7U Active CN216343321U (en) | 2021-07-22 | 2021-07-22 | Internal locking nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216343321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126762A (en) * | 2022-05-18 | 2022-09-30 | 浙江科腾精工机械股份有限公司 | Bolt and nut cooperation subassembly that high compactness is prevented pine |
-
2021
- 2021-07-22 CN CN202121676624.7U patent/CN216343321U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126762A (en) * | 2022-05-18 | 2022-09-30 | 浙江科腾精工机械股份有限公司 | Bolt and nut cooperation subassembly that high compactness is prevented pine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |