CN216199718U - Anti-loosening double-end internal thread nut - Google Patents
Anti-loosening double-end internal thread nut Download PDFInfo
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- CN216199718U CN216199718U CN202122705050.8U CN202122705050U CN216199718U CN 216199718 U CN216199718 U CN 216199718U CN 202122705050 U CN202122705050 U CN 202122705050U CN 216199718 U CN216199718 U CN 216199718U
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Abstract
The utility model discloses an anti-loosening double-end internal thread nut, and relates to the technical field of nuts. The structure of the utility model comprises a nut body and a positioning column, wherein a first screw hole and a second screw hole are respectively arranged at the left end and the right end of the nut body, and a cavity in the middle of the nut body is an inner cavity; the positioning column is fixed in the inner cavity, the left end and the right end of the positioning column are respectively inserted into the first screw hole and the second screw hole, the first positioning block and the second positioning block are respectively arranged in the left through hole and the right through hole of the positioning column, the outer side end of each through hole is provided with a first spring and a second spring, and the first positioning block and the second positioning block are rotatably connected with the positioning column. The double holes of the utility model have anti-loosening function.
Description
Technical Field
The utility model relates to the technical field of nuts, in particular to an anti-loosening double-end internal thread nut.
Background
The nut is a part screwed together with a bolt or a screw rod to play a role in fastening, and an element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal and the like according to different materials. The double-end internal thread nut is an embedded nut and is mainly used for being embedded into an injection molding finished product, so that the finished product is conveniently and fixedly connected with other accessories. However, the vibration of the finished product easily causes the bolt in the nut to loosen due to the vibration.
Accordingly, one skilled in the art has provided a lock nut with a double-ended internal thread to solve the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the double-end internal thread nut in the prior art is easy to loosen due to vibration.
In order to solve the technical problems, the utility model provides a looseness-preventing double-end internal thread nut which comprises a nut body and a positioning column, wherein the nut body is of a double-section I-shaped cylindrical structure, a first screw hole and a second screw hole are respectively formed in the left end and the right end of the nut body, and a middle cavity of the nut body is an inner cavity; the positioning column is of a cylindrical structure, the positioning column is fixed at the center of the inner cavity, the left end part and the right end part of the positioning column are respectively inserted into the first screw hole and the second screw hole, the upper part and the lower part of the vertical through hole at the left end part of the positioning column are respectively provided with a wedge-shaped first positioning block, the two first positioning blocks are rotatably connected with the positioning column, the left side wall of the vertical through hole at the left end part of the positioning column is provided with a first spring, the right end of the first spring is abutted against the two first positioning blocks, so that the first positioning block is rotated outwards and extends out of the positioning column, the upper part and the lower part of the vertical through hole at the right end part of the positioning column are respectively provided with a wedge-shaped second positioning block, the two second positioning blocks are rotatably connected with the positioning column, the right side wall of the vertical through hole at the right end part of the positioning column is provided with a second spring, and the left end of the second spring is abutted against the two second positioning blocks, so that the second positioning block is rotated outwards and extends out of the positioning column.
As a further scheme of the utility model: the left part and the right part of the through hole at the central axis part of the positioning column are respectively provided with a first abutting column and a second abutting column, and the left end of the first abutting column abuts against the right end of the gap between the two first positioning blocks; the right end of the second abutting column abuts against the left end of the gap between the two second positioning blocks.
As a further scheme of the utility model: the upper end and the lower end of the inner cavity of the positioning column are respectively provided with a second stud and a first stud, a first threaded sleeve is arranged on the first stud in a threaded sleeve manner, a first connecting rod is fixed on the first threaded sleeve, and the first connecting rod penetrates through a side wall through hole of the positioning column and then is fixedly connected with the right end of the first abutting column; the threaded sleeve is arranged on the second stud and provided with a second threaded sleeve, a second connecting rod is fixed on the second threaded sleeve, and the second connecting rod penetrates through the side wall through hole of the positioning column and then is fixedly connected with the left end of the second abutting column.
As a further scheme of the utility model: a second rotating shaft and a first rotating shaft are respectively arranged in the top and bottom walls of the left part of the nut body, and the right end of the first rotating shaft is fixed with the left end of the first stud; the right end of the second rotating shaft is fixed with the left end of the second stud.
As a further scheme of the utility model: a second rotary cap and a first rotary cap are respectively arranged in the grooves on the upper side and the lower side of the left side wall of the nut body, cross-shaped insertion holes are formed in the left ends of the first rotary cap and the second rotary cap, and the first rotary cap is fixed with the left end of the first rotary shaft; the second rotating cap is fixed with the left end of the second rotating shaft.
As a further scheme of the utility model: the outer side wall of the nut body is provided with straight grains.
As a further scheme of the utility model: the nut body is matched with a bolt, a circular through hole is formed in the screwing-in end of the bolt and is a positioning hole, and a groove is formed in the side wall of the positioning hole and is a positioning groove.
As a further scheme of the utility model: the diameter of the nut of the bolt matched with the first screw hole is smaller than the distance between the first rotating cap and the second rotating cap, and a through hole aligned with the first rotating cap and the second rotating cap is formed in the accessory.
The utility model has the beneficial effects that:
(1) the positioning column is arranged, the bolt is screwed into the first screw hole or the second screw hole, when the bolt is screwed into the inner side end of the screw hole, the positioning column is inserted into the positioning hole, the positioning block is pressed into the positioning column, when the bolt is in place, the positioning block is pushed outwards by the spring, so that the positioning block rotates outwards and extends out of the positioning column, and the positioning block is inserted into the positioning groove to prevent the bolt from rotating again, thereby achieving the anti-loosening effect.
(2) The positioning device is provided with the abutting columns, when a bolt is disassembled, the plum blossom screwdriver is inserted into the insertion hole, the rotating cap is controlled to rotate, the rotating cap drives the rotating shaft to rotate, the rotating shaft drives the stud to rotate, so that the first screw sleeve drives the first abutting column to move leftwards through the first connecting rod, and after the first abutting column moves leftwards, the first positioning block is abutted leftwards, so that the first positioning block rotates inwards and retracts into the positioning column; or the second threaded sleeve drives the second abutting column to move rightwards through the second connecting rod, and after the second abutting column moves rightwards, the second positioning block is abutted rightwards, so that the second positioning block rotates inwards and retracts into the positioning column.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is a cross-sectional view of the locating post.
Wherein: the nut comprises a nut body 10, a first screw hole 11, a second screw hole 12, straight threads 13, a positioning column 14, a first positioning block 15, a first spring 16, a second positioning block 17, a second spring 18, a first abutting column 19, a first connecting rod 20, a second abutting column 21, a second connecting rod 22, a first stud 23, a first threaded sleeve 24, a second stud 25, a second threaded sleeve 26, a first rotating shaft 27, a first rotating cap 28, a second rotating shaft 29 and a second rotating cap 30.
Detailed Description
The anti-loosening double-end internal thread nut provided by the embodiment has the structure shown in fig. 1-3, and comprises a nut body 10 and a positioning column 14, wherein the nut body 10 is of a double-section i-shaped cylindrical structure, a first screw hole 11 and a second screw hole 12 are respectively arranged at the left end and the right end of the nut body 10, and a middle cavity of the nut body 10 is an inner cavity; the positioning column 14 is of a cylindrical structure, the positioning column 14 is fixed at the center of the inner cavity, the left end part and the right end part of the positioning column 14 are respectively inserted into the first screw hole 11 and the second screw hole 12, the upper part and the lower part of a vertical through hole at the left end part of the positioning column 14 are respectively provided with a wedge-shaped first positioning block 15, the two first positioning blocks 15 are both rotatably connected with the positioning column 14, the left side wall of the vertical through hole at the left end part of the positioning column 14 is provided with a first spring 16, the right end of the first spring 16 is abutted against the two first positioning blocks 15, so that the first positioning block 15 rotates outwards and extends out of the positioning column 14, the upper part and the lower part of the vertical through hole at the right end part of the positioning column 14 are respectively provided with a wedge-shaped second positioning block 17, the two second positioning blocks 17 are both rotatably connected with the positioning column 14, the right side wall of the vertical through hole at the right end part of the positioning column 14 is provided with a second spring 18, the left end of the second spring 18 abuts against the two second positioning blocks 17, so that the second positioning blocks 17 rotate outwards and protrude out of the positioning column 14.
A first abutting column 19 and a second abutting column 21 are respectively arranged at the left part and the right part of the through hole at the central axis part of the positioning column 14, the left end of the first abutting column 19 abuts against the right end of the gap between the two first positioning blocks 15, and after the first abutting column 19 moves leftwards, the first positioning block 15 is abutted leftwards, so that the first positioning block 15 rotates inwards and retracts into the positioning column 14; the right end of the second abutting column 21 abuts against the left end of the gap between the two second positioning blocks 17, and after the second abutting column 21 moves rightwards, the second positioning block 17 is abutted rightwards, so that the second positioning block 17 rotates inwards and retracts into the positioning column 14.
The upper end and the lower end of the inner cavity of the positioning column 14 are respectively provided with a second stud 25 and a first stud 23, the first stud 23 is screwed with a first threaded sleeve 24, the first threaded sleeve 24 is fixedly provided with a first connecting rod 20, the first connecting rod 20 penetrates through a through hole in the side wall of the positioning column 14 and then is fixedly connected with the right end of the first abutting column 19, and the first stud 23 rotates to enable the first threaded sleeve 24 to drive the first abutting column 19 to move leftwards through the first connecting rod 20; the second screw sleeve 26 is sleeved on the second screw bolt 25 in a threaded manner, the second connecting rod 22 is fixed on the second screw sleeve 26, the second connecting rod 22 penetrates through a through hole in the side wall of the positioning column 14 and then is fixedly connected with the left end of the second abutting column 21, and the second screw bolt 25 rotates to enable the second screw sleeve 26 to drive the second abutting column 21 to move rightwards through the second connecting rod 22.
A second rotating shaft 29 and a first rotating shaft 27 are respectively arranged in the top and bottom walls of the left part of the nut body 10, the right end of the first rotating shaft 27 is fixed with the left end of the first stud 23, and the first rotating shaft 27 drives the first stud 23 to rotate; the right end of the second rotating shaft 29 is fixed with the left end of the second stud 25, and the second rotating shaft 29 drives the second stud 25 to rotate.
A second rotary cap 30 and a first rotary cap 28 are respectively arranged in the grooves on the upper side and the lower side of the left side wall of the nut body 10, cross-shaped insertion holes are formed in the left ends of the first rotary cap 28 and the second rotary cap 30, and the first rotary cap 28 is fixed with the left end of the first rotating shaft 27 so as to drive the first rotating shaft 27 to rotate; the second rotating cap 30 is fixed to the left end of the second rotating shaft 29, so that the second rotating shaft 29 is driven to rotate conveniently.
The outer side wall of the nut body 10 is provided with straight grains 13, so that the anti-skidding effect is achieved.
The nut body 10 is provided with a circular through hole at the screw-in end of the bolt, which is a positioning hole, a groove is arranged on the side wall of the positioning hole, which is a positioning groove, the positioning column 14 is inserted into the positioning hole, and when the bolt is in place, the positioning block is inserted into the positioning groove to prevent the bolt from rotating again.
The diameter of the nut of the bolt matched with the first screw hole 11 is smaller than the distance between the first rotating cap 28 and the second rotating cap 30, and a through hole aligned with the first rotating cap 28 and the second rotating cap 30 is formed in the accessory.
The working principle of the utility model is as follows: when the bolt is in place, the spring pushes the positioning block outwards, so that the positioning block rotates outwards and extends out of the positioning column 14, and the positioning block is inserted into the positioning groove to prevent the bolt from rotating again, thereby achieving the anti-loosening effect; when the bolt is disassembled, the plum blossom screwdriver is inserted into the jack, the rotating cap is controlled to rotate, the rotating cap drives the rotating shaft to rotate, the rotating shaft drives the stud to rotate, the first screw sleeve 24 drives the first abutting column 19 to move leftwards through the first connecting rod 20, and after the first abutting column 19 moves leftwards, the first positioning block 15 is abutted leftwards, so that the first positioning block 15 rotates inwards and retracts into the positioning column 14; or the second screw sleeve 26 drives the second abutting column 21 to move rightwards through the second connecting rod 22, and after the second abutting column 21 moves rightwards, the second positioning block 17 is abutted rightwards, so that the second positioning block 17 rotates inwards and retracts into the positioning column 14. The double holes of the utility model have anti-loosening function.
It will be evident to those skilled in the art that the utility model 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 utility model 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 (5)
1. The anti-loosening double-end internal thread nut is characterized by comprising a nut body (10) and a positioning column (14), wherein the nut body (10) is of a double-section I-shaped cylindrical structure, a first screw hole (11) and a second screw hole (12) are respectively formed in the left end and the right end of the nut body (10), and a middle cavity of the nut body (10) is an inner cavity; the positioning column (14) is of a cylindrical structure, the positioning column (14) is fixed at the center of the inner cavity, the left end part and the right end part of the positioning column (14) are respectively inserted into the first screw hole (11) and the second screw hole (12), the upper part and the lower part of a vertical through hole at the left end part of the positioning column (14) are respectively provided with a wedge-shaped first positioning block (15), the two first positioning blocks (15) are rotatably connected with the positioning column (14), the left side wall of the vertical through hole at the left end part of the positioning column (14) is provided with a first spring (16), the right end of the first spring (16) is abutted against the two first positioning blocks (15), so that the first positioning block (15) rotates outwards and extends out of the positioning column (14), the upper part and the lower part of the vertical through hole at the right end part of the positioning column (14) are respectively provided with a wedge-shaped second positioning block (17), and the two second positioning blocks (17) are rotatably connected with the positioning column (14), a second spring (18) is arranged on the right side wall of the vertical through hole at the right end part of the positioning column (14), and the left end of the second spring (18) is abutted against the two second positioning blocks (17), so that the second positioning blocks (17) rotate outwards and extend out of the positioning column (14).
2. The anti-loosening double-ended internally threaded nut as claimed in claim 1, wherein: the left part and the right part of the through hole at the central axis part of the positioning column (14) are respectively provided with a first abutting column (19) and a second abutting column (21), and the left end of the first abutting column (19) abuts against the right end of the gap between the two first positioning blocks (15); the right end of the second abutting column (21) abuts against the left end of the gap between the two second positioning blocks (17).
3. A locking double end internally threaded nut as claimed in claim 2, wherein: the upper end and the lower end of the inner cavity of the positioning column (14) are respectively provided with a second stud (25) and a first stud (23), a first threaded sleeve (24) is sleeved on the first stud (23), a first connecting rod (20) is fixed on the first threaded sleeve (24), and the first connecting rod (20) penetrates through a through hole in the side wall of the positioning column (14) and then is fixedly connected with the right end of the first abutting column (19); no. two turnbuckles (26) are sleeved on the second stud (25) in a threaded manner, a second connecting rod (22) is fixed on the second turnbuckle (26), and the second connecting rod (22) penetrates through a through hole in the side wall of the positioning column (14) and then is fixedly connected with the left end of the second abutting column (21).
4. The anti-loosening double-ended internally threaded nut as claimed in claim 1, wherein: a second rotating shaft (29) and a first rotating shaft (27) are respectively arranged in the top and bottom walls of the left part of the nut body (10), and the right end of the first rotating shaft (27) is fixed with the left end of the first stud (23); the right end of the second rotating shaft (29) is fixed with the left end of the second stud (25).
5. The anti-loosening double-ended internally threaded nut as claimed in claim 4, wherein: a second rotary cap (30) and a first rotary cap (28) are respectively arranged in grooves on the upper side and the lower side of the left side wall of the nut body (10), cross-shaped insertion holes are formed in the left ends of the first rotary cap (28) and the second rotary cap (30), and the first rotary cap (28) is fixed to the left end of the first rotating shaft (27); the second rotating cap (30) is fixed with the left end of the second rotating shaft (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122705050.8U CN216199718U (en) | 2021-11-05 | 2021-11-05 | Anti-loosening double-end internal thread nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122705050.8U CN216199718U (en) | 2021-11-05 | 2021-11-05 | Anti-loosening double-end internal thread nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216199718U true CN216199718U (en) | 2022-04-05 |
Family
ID=80904044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122705050.8U Active CN216199718U (en) | 2021-11-05 | 2021-11-05 | Anti-loosening double-end internal thread nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216199718U (en) |
-
2021
- 2021-11-05 CN CN202122705050.8U patent/CN216199718U/en active Active
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