CN215409719U - Nut with anti-falling device - Google Patents
Nut with anti-falling device Download PDFInfo
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- CN215409719U CN215409719U CN202121641501.XU CN202121641501U CN215409719U CN 215409719 U CN215409719 U CN 215409719U CN 202121641501 U CN202121641501 U CN 202121641501U CN 215409719 U CN215409719 U CN 215409719U
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Abstract
The utility model relates to the technical field of fasteners, in particular to a nut with an anti-falling device. The nut with the anti-falling device comprises a nut main body and the anti-falling device, wherein an annular groove is formed in the middle of the outer ring surface of the nut main body, the anti-falling device is connected with the nut main body through the annular groove in a clamping mode, a plurality of limiting holes are formed in the inner ring surface of the annular groove, an anti-falling structure of the anti-falling device is connected with an internal thread through hole through the limiting holes, and after the anti-falling device penetrates through the limiting holes, the anti-falling structure of the anti-falling device is clamped into threads of a bolt, so that the nut is prevented from falling off the bolt when the nut rotates reversely; the positioning device is arranged in the first limiting groove and the second limiting groove and comprises a positioning stud and a positioning block, the positioning stud is adjusted, the positioning block can be operated to move up and down, and therefore the height difference between the two positioning blocks in the first limiting groove and the second limiting groove is changed, the anti-falling device can be applied to nuts with different pitches at the same time, and the applicability is improved.
Description
Technical Field
The utility model relates to the technical field of fasteners, in particular to a nut with an anti-falling device.
Background
The nut is a nut, and is a part screwed together with a bolt or a screw rod to play a role in fastening, one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials, and the nut commonly used in the market generally comprises a nut body, a cavity formed in the nut body and internal threads formed on the inner wall of the cavity of the nut body.
The existing nuts on the market are only connected with the bolts through threads, and when the nuts are applied to objects or mechanical structures which move and vibrate frequently, the nuts are easy to reverse under external force and fall off from the bolts, unforeseen consequences are caused, and safety accidents are caused seriously.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: in order to solve the problems existing in the background technology, the nut with the anti-falling device is provided, and the problem that the nut on the market is connected with the bolt only through threads, when the nut is applied to an object or a mechanical structure which frequently moves and vibrates, the nut is easy to reverse under external force and fall off from the bolt, an unexpected result is caused, and a safety accident is caused in a serious case is solved.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a nut with anti-disengaging device, includes the nut body, the nut body include nut main part and anti-disengaging device, the center department of nut main part upper surface sets up there is the internal thread through-hole, the annular groove has been seted up at the middle part of the outer anchor ring of nut main part, the anti-disengaging device is ring structure, the anti-disengaging device pass through annular groove and nut main part clamp connection, set up a plurality of spacing holes that run through the internal thread through-hole on the interior anchor ring of annular groove, the anti-disengaging structure of anti-disengaging device is connected with the internal thread through-hole through spacing hole.
The anti-falling device comprises a first arc-shaped block and a second arc-shaped block, the left end of the first arc-shaped block is hinged with the left end of the second arc-shaped block, and the right end of the first arc-shaped block is connected with the right end of the second arc-shaped block through a bolt.
The right-hand member of first arc piece is provided with first lug, the right-hand member of second arc piece is provided with the second lug, first lug and the positive center department of second lug all set up threaded hole, first spacing groove has all been seted up outwards to the position that the upper portion of first arc piece and second arc piece inner anchor ring corresponds spacing first in hole, the second spacing groove has all been seted up outwards to the position that the lower part of first arc piece and second arc piece inner anchor ring corresponds spacing hole lower half.
The upper surface of first arc piece and second arc piece has seted up the counter sink on corresponding the perpendicular axis at first spacing groove middle part, the counter sink has been seted up on the perpendicular axis at the lower surface of first arc piece and second arc piece corresponding second spacing groove middle part, the inside of first spacing groove and second spacing groove all is provided with positioner, positioner through the counter sink and first arc piece and second arc piece plug-in connection who correspond the position.
The positioning device comprises a positioning stud and a positioning block, the positioning stud is a countersunk bolt with an external thread, the positioning stud is in plug-in connection with a countersunk hole of a corresponding position, the bottom end of the positioning stud is connected with an inner bottom surface bearing of a corresponding position limiting groove, the positioning block is of a square block structure, a threaded through hole is formed in the middle of the positioning block, and the positioning block is in threaded connection with the positioning stud through the threaded through hole.
The inner side surface of the positioning block is provided with a triangular lug, and the vertical distance of the triangular lug is the same as the height difference between the tooth bottom and the tooth top of the internal thread through hole.
The utility model has the beneficial effects that:
(1) the nut with the anti-falling device comprises a nut main body and the anti-falling device, wherein an internal thread through hole is formed in the center of the upper surface of the nut main body, an annular groove is formed in the middle of the outer annular surface of the nut main body, the anti-falling device is of an annular structure and is connected with the nut main body in a clamping mode through the annular groove, a plurality of limiting holes penetrating through the internal thread through hole are formed in the inner annular surface of the annular groove, the anti-falling structure of the anti-falling device is connected with the internal thread through hole through the limiting holes, and after the anti-falling device penetrates through the limiting holes, the anti-falling structure of the anti-falling device is clamped into threads of a bolt, so that the nut is prevented from falling off the bolt when the nut rotates reversely;
(2) the positioning device comprises a positioning stud and a positioning block, the positioning block is in threaded connection with the positioning stud through a threaded through hole, the positioning stud is adjusted, the positioning block can be operated to move up and down, and therefore the height difference between the two positioning blocks in the first limiting groove and the second limiting groove is changed, the anti-disengaging device can be applied to nuts with different pitches at the same time, and applicability is improved.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the anti-dropping device of the present invention.
Fig. 3 is a sectional view taken along the line a in fig. 2 according to the present invention.
In the drawing, the nut comprises a nut body 1, an anti-falling device 2, an internal thread through hole 3, an annular groove 4, a limiting hole 5, a first arc-shaped block 6, a second arc-shaped block 7, a first bump 8, a second bump 9, a first limiting groove 10, a second limiting groove 11, a positioning device 12, a positioning stud 13, a positioning block 14 and a triangular bump 15.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Fig. 1, a nut with anticreep device that fig. 2 and fig. 3 show, including the nut body, the nut body includes nut main part 1 and anticreep device 2, the center department of 1 upper surface of nut main part sets up female screw through-hole 3, annular groove 4 has been seted up at the middle part of 1 outer anchor ring of nut main part, anticreep device 2 is the loop configuration, anticreep device 2 is connected with 1 clamp of nut main part through annular groove 4, set up a plurality of spacing holes 5 that run through female screw through-hole 3 on the interior anchor ring of annular groove 4, the anticreep structure of anticreep device 2 is connected with female screw through-hole 3 through spacing hole 5, after anticreep device 2 passes spacing hole 5, its anticreep structure card is in the thread of bolt, thereby prevent that the nut from when the reversal, drop from the bolt.
Further, in order to facilitate the installation and the disassembly of the anti-disengaging device 2, the anti-disengaging device 2 comprises a first arc-shaped block 6 and a second arc-shaped block 7, the left end of the first arc-shaped block 6 is hinged with the left end of the second arc-shaped block 7, and the right end of the first arc-shaped block 6 is connected with the right end of the second arc-shaped block 7 through a bolt.
Further, for the convenience of installation and the dismantlement of anticreep device 2, the right-hand member of first arc piece 6 is provided with first lug 8, the right-hand member of second arc piece 7 is provided with second lug 9, first lug 8 and the positive center department of second lug 9 all set up threaded hole, first spacing groove 10 has outwards all been seted up to the position that the upper portion of first arc piece 6 and the 7 interior anchor rings of second arc piece corresponds spacing hole 5 first, second spacing groove 11 has outwards all been seted up to the position that the lower part of first arc piece 6 and the 7 interior anchor rings of second arc piece corresponds spacing hole 5 lower halves.
Further, in order to facilitate installation and operation of the positioning device 12, countersunk holes are formed in the upper surfaces of the first arc-shaped block 6 and the second arc-shaped block 7 corresponding to the vertical axis at the middle part of the first limiting groove 10, countersunk holes are formed in the lower surfaces of the first arc-shaped block 6 and the second arc-shaped block 7 corresponding to the vertical axis at the middle part of the second limiting groove 11, the positioning device 12 is arranged inside the first limiting groove 10 and the second limiting groove 11, and the positioning device 12 is in plug-in connection with the first arc-shaped block 6 and the second arc-shaped block 7 through the countersunk holes corresponding to the positions.
Further, in order to improve the applicability, the anti-disengaging device 2 can be applied to nuts with different screw pitches simultaneously, the positioning device 12 comprises a positioning stud 13 and a positioning block 14, the positioning stud 13 is a countersunk bolt with an external thread, the positioning stud 13 is in plug-in connection with a countersunk hole in a corresponding position, the bottom end of the positioning stud 13 is connected with a bearing on the inner bottom surface of a limiting groove in the corresponding position, the positioning block 14 is of a square block structure, a threaded through hole is formed in the middle of the positioning block 14, and the positioning block 14 is in threaded connection with the positioning stud 13 through the threaded through hole.
Example (b): after the nut body 1 is installed in place, the first arc-shaped block 6 and the second arc-shaped block 7 are opened, the positioning studs 13 above and below the first arc-shaped block 6 and the second arc-shaped block 7 are rotated, the distance between the positioning blocks 14 in the first limiting groove 10 and the second limiting groove 11 is adjusted according to the thread pitch of the internal thread through hole 3, the distance between the two positioning blocks 14 and the thread pitch of the internal thread through hole 3 form integer multiples, the first arc-shaped block 6 and the second arc-shaped block 7 are clamped into the annular groove 4 at the moment, the positioning blocks 14 are ensured to be clamped into the thread pitch of the internal thread through hole 3, and then the first lug 8 and the second lug 9 are fixed through bolts.
Further, in order to ensure that the positioning block 14 is clamped into the thread of the bolt, a triangular bump 15 is arranged on the inner side surface of the positioning block 14, and the vertical distance of the triangular bump 15 is the same as the height difference between the root and the crest of the internal thread through hole 3.
The nut with the anti-falling device comprises a nut main body 1 and the anti-falling device 2, wherein an internal thread through hole 3 is formed in the center of the upper surface of the nut main body 1, an annular groove 4 is formed in the middle of the outer annular surface of the nut main body 1, the anti-falling device 2 is of an annular structure, the anti-falling device 2 is connected with the nut main body 1 in a clamping mode through the annular groove 4, a plurality of limiting holes 5 penetrating through the internal thread through hole 3 are formed in the inner annular surface of the annular groove 4, the anti-falling structure of the anti-falling device 2 is connected with the internal thread through hole 3 through the limiting holes 5, and after the anti-falling device 2 penetrates through the limiting holes 5, the anti-falling structure is clamped into threads of a bolt, so that the nut is prevented from falling off the bolt when the nut rotates reversely; the positioning devices 12 are arranged inside the first limiting groove 10 and the second limiting groove 11, each positioning device 12 comprises a positioning stud 13 and a positioning block 14, each positioning block 14 is in threaded connection with the corresponding positioning stud 13 through a threaded through hole, the positioning studs 13 are adjusted, and the positioning blocks 14 can be operated to move up and down, so that the height difference between the two positioning blocks 14 in the first limiting groove 10 and the second limiting groove 11 is changed, the anti-falling device 2 can be simultaneously applied to nuts with different screw pitches, and the applicability is improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a nut with anticreep device, includes the nut body, characterized by: the nut body include nut main part (1) and anti-disengaging device (2), the center department of nut main part (1) upper surface sets up internal thread through-hole (3), annular groove (4) have been seted up at the middle part of nut main part (1) outer anchor ring, anti-disengaging device (2) are the loop configuration, anti-disengaging device (2) through annular groove (4) and nut main part (1) clamp connection, set up a plurality of spacing holes (5) that run through internal thread through-hole (3) on the inner anchor ring of annular groove (4), the anti-disengaging structure of anti-disengaging device (2) is connected with internal thread through-hole (3) through spacing hole (5).
2. The nut with the anti-drop device as claimed in claim 1, wherein: the anti-falling device (2) comprises a first arc-shaped block (6) and a second arc-shaped block (7), the left end of the first arc-shaped block (6) is hinged with the left end of the second arc-shaped block (7), and the right end of the first arc-shaped block (6) is connected with the right end of the second arc-shaped block (7) through a bolt.
3. The nut with the anti-drop device as claimed in claim 2, wherein: the right-hand member of first arc piece (6) is provided with first lug (8), the right-hand member of second arc piece (7) is provided with second lug (9), first lug (8) and the positive center department of second lug (9) all set up threaded hole, first spacing groove (10) have outwards all been seted up to the position that first one of spacing hole (5) was corresponded in the upper portion of first arc piece (6) and second arc piece (7) internal ring face, second spacing groove (11) have outwards all been seted up to the position that the lower part of first arc piece (6) and second arc piece (7) internal ring face corresponds spacing hole (5) lower half.
4. The nut with the anti-drop device as claimed in claim 2, wherein: the upper surface of first arc piece (6) and second arc piece (7) has seted up the counter sink on corresponding the perpendicular axis at first spacing groove (10) middle part, the counter sink has been seted up on corresponding the perpendicular axis at second spacing groove (11) middle part to the lower surface of first arc piece (6) and second arc piece (7), the inside of first spacing groove (10) and second spacing groove (11) all is provided with positioner (12), positioner (12) through the counter sink that corresponds the position and first arc piece (6) and second arc piece (7) plug-in connection.
5. The nut with the anti-drop device as claimed in claim 4, wherein: positioner (12) including positioning stud (13) and locating piece (14), positioning stud (13) for having the countersunk head type bolt of external screw thread, positioning stud (13) and the countersunk hole plug-in connection who corresponds the position, the bottom of positioning stud (13) is connected with the interior bottom surface bearing that corresponds the position spacing groove, locating piece (14) be square block structure, threaded through hole has been seted up at the middle part of locating piece (14), locating piece (14) pass through threaded through hole and positioning stud (13) threaded connection.
6. The nut with the anti-drop device as claimed in claim 5, wherein: the inner side surface of the positioning block (14) is provided with a triangular lug (15), and the vertical distance of the triangular lug (15) is the same as the height difference between the tooth bottom and the tooth top of the internal thread through hole (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121641501.XU CN215409719U (en) | 2021-07-19 | 2021-07-19 | Nut with anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121641501.XU CN215409719U (en) | 2021-07-19 | 2021-07-19 | Nut with anti-falling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215409719U true CN215409719U (en) | 2022-01-04 |
Family
ID=79651228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121641501.XU Active CN215409719U (en) | 2021-07-19 | 2021-07-19 | Nut with anti-falling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215409719U (en) |
-
2021
- 2021-07-19 CN CN202121641501.XU patent/CN215409719U/en active Active
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