CN213575087U - Anti-reverse locking nut - Google Patents
Anti-reverse locking nut Download PDFInfo
- Publication number
- CN213575087U CN213575087U CN202022579966.9U CN202022579966U CN213575087U CN 213575087 U CN213575087 U CN 213575087U CN 202022579966 U CN202022579966 U CN 202022579966U CN 213575087 U CN213575087 U CN 213575087U
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- wall
- nut
- bolt
- nut body
- groove
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- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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Abstract
The embodiment of the utility model discloses anti-inversion lock nut, the nut comprises a nut body, the fixed slot has been seted up on the inner wall both sides top of nut body, one side fixedly connected with clamp plate of fixed slot, the front end welding of clamp plate has first spring, the front end welding of first spring has the limiting plate, spacing hole has been seted up to the top of limiting plate inside, the quantity in spacing hole sets up to five, five spacing hole equidistance distributes inside the top of limiting plate. The utility model discloses a connecting rod of this internal establishment of bolt is rotatory downwards to the inner wall of nut body, and when the limiting plate of limiting groove and the internal fixed slot of nut inlayed in the connecting rod, the limiting plate top was equipped with spacing hole, and spacing hole aligns the grafting through the flexible performance of first spring and spacing post in the limiting groove for it is fixed between the two, makes the fixed stability of nut body and bolt body, prevents that it from taking place to reverse the phenomenon and influence the two stability of being connected.
Description
Technical Field
The utility model relates to a mechanical production technical field, concretely relates to prevent locking nut that reverses.
Background
The locking nut is widely applied to the industries of machinery and the like, and the working principle of the locking nut is that the self-locking is carried out by adopting the friction force between the nut and a bolt. But the reliability of such self-locking is reduced in dynamic loads. In some important occasions, some anti-loosening measures are taken to ensure the reliability of nut locking, and the quality of the anti-loosening effect of the locking nut mainly depends on the interaction force between the nut and the meshing threads of the bolt. There are various ways to increase the interaction force between the engaging threads, for example, structural improvement of the nut threads, nylon roughening of the nylon nut, surface treatment of the threads, and the like, and the lock nut can be used to position and fix a fixed member such as a bearing mounted on a rotating shaft such as a spindle rotating at high speed such as a machine tool, and the like, and has a locking mechanism so that the lock nut does not become loose even if a gap is generated between the lock nut and a fastening surface due to vibration or impact.
The phenomenon that the screw rod is easily reversed in the working process of the existing locking nut is poor in reversing prevention performance of the locking nut, and if the phenomenon that the screw rod is reversed is generated, the bolt is separated from the nut, so that the connection stability between the bolt and the nut is influenced.
Therefore, it is desirable to provide an anti-backup lock nut to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a prevent locking nut that reverses to solve among the prior art because locking nut appears reversing the phenomenon easily in the course of the work the screw rod and the bolt that leads to breaks away from the nut, influence the problem of the connection stability between the two.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a reverse rotation prevention locking nut comprises a nut body and a bolt body, wherein fixing grooves are formed in the top ends of two sides of the inner wall of the nut body, a pressing plate is fixedly connected to one side of each fixing groove, a first spring is welded to the front end of the pressing plate, a limiting plate is welded to the front end of the first spring, limiting holes are formed in the top end of the limiting plate, the number of the limiting holes is five, the five limiting holes are distributed in the top end of the limiting plate in an equal distance mode, internal threads are fixedly connected to the bottom of the inner wall of the nut body, a bolt rod is connected to the axis of the nut body in a threaded mode, external threads are welded to the outer wall of the bolt rod and matched with the internal threads, a connecting rod is welded to the top of the bolt rod, two limiting grooves are formed in two sides of the, every one side welding of spacing groove has spacing post, the quantity of spacing post sets up to five, phase-match between spacing post and the spacing hole.
Further, the top of connecting rod has the bolt head welded, the bolt body comprises bolt head, connecting rod and threaded rod.
Further, mounting grooves are formed in two sides of the bottom of the nut body, the number of the mounting grooves is four, and each mounting groove is formed in two sides of the inner wall of each mounting groove.
Further, the welding of the inside top of mounting groove has the slide bar, the quantity of slide bar sets up to two sets of, every group the quantity of slide bar sets up to two, and every group is symmetrical about the axis of mounting groove between the slide bar.
Furthermore, the top ends of the outer walls of the sliding rods are movably connected with a second spring, a sliding plate is fixedly connected to the bottom of the outer wall between each two sliding rods, and the sliding plates are in sliding connection with the sliding rods.
Further, the bottom block of nut body is connected with the becket, the inner wall fixedly connected with inner wall screw thread of becket, the phase-match between inner wall screw thread and the external screw thread.
Furthermore, the outer wall welding of becket has the lug, the quantity of lug sets up to four, four the lug is the annular array and distributes in becket's outer wall.
Furthermore, every the top welding of lug has the card post, be the block connection between card post and the mounting groove.
The embodiment of the utility model provides a have following advantage:
1. through the arrangement of the connecting rod, the limiting groove, the limiting hole, the fixing groove and the limiting column, the nut body is screwed into the nut body through the external thread of the threaded rod, the connecting rod correspondingly rotates downwards to the inner wall of the nut body in the process that the rotary bolt body enters the nut body, when the limiting groove in the connecting rod is embedded with the limiting plate of the fixing groove in the nut body, the limiting hole is formed in the top end of the limiting plate, the limiting hole is aligned and spliced with the limiting column in the limiting groove through the telescopic performance of the first spring, the limiting column and the limiting groove are fixed, the nut body and the bolt body are fixed stably, and the phenomenon that the nut body and the bolt body are overturned;
2. through the setting of card post, mounting groove, slide bar and draw-in groove, the lug bottom is equipped with the card post, utilizes the card post to align the mounting groove and insert inside it, and the card post supports the inside slide of mounting groove and slides along the slide bar, and in sliding to the position that corresponds the draw-in groove and gomphosis advance the draw-in groove until the slide, the slide can't move on the slide bar because of being fixed to in the draw-in groove, connects reliable and stable, is convenient for to fixed mounting and dismantlement between becket and the nut body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is an enlarged view of a point a in fig. 1 according to the present invention;
fig. 5 is an enlarged view of the position B in fig. 1 according to the present invention.
In the figure: 1. a nut body; 2. fixing grooves; 3. pressing a plate; 4. a first spring; 5. a limiting plate; 6. a limiting hole; 7. an internal thread; 8. a bolt shank; 9. an external thread; 10. a connecting rod; 11. a limiting groove; 12. a limiting column; 13. a bolt head; 14. a bolt body; 15. mounting grooves; 16. a card slot; 17. a slide bar; 18. a second spring; 19. a slide plate; 20. a metal ring; 21. inner wall threads; 22. a bump; 23. and (5) clamping the column.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a locking nut against reverse rotation as shown in figures 1-5, which comprises a nut body 1 and a bolt body 14, wherein the top ends of the two sides of the inner wall of the nut body 1 are provided with fixed grooves 2, one side of the fixed groove 2 is fixedly connected with a pressing plate 3, the front end of the pressing plate 3 is welded with a first spring 4, the front end of the first spring 4 is welded with a limiting plate 5, the top end of the limiting plate 5 is provided with five limiting holes 6, five limiting holes 6 are equidistantly distributed inside the top end of the limiting plate 5, the bottom of the inner wall of the nut body 1 is fixedly connected with an internal thread 7, the axis of the nut body 1 is in threaded connection with a bolt rod 8, the outer wall of the bolt rod 8 is welded with an external thread 9, the external thread 9 is matched with the internal thread 7, the internal thread 7 in the nut body 1 is tightly attached and fixed with the external thread 9 of, the welding of 8's of shank of bolt top has connecting rod 10, spacing groove 11 has all been seted up to the outer wall both sides of connecting rod 10, the quantity of spacing groove 11 sets up to two, every spacing post 12 is welded to one side of spacing groove 11, the quantity of spacing post 12 sets up to five, phase-match between spacing post 12 and the spacing hole 6, in bolt and nut fixed mounting process, the corresponding downwardly rotating of connecting rod 10 to the inner wall of nut body 1, when limiting groove 11 inlays with the limiting plate 5 of 1 internal fixation groove 2 of nut body in connecting rod 10, spacing hole 6 in the limiting plate 5 aligns with spacing post 12 in the spacing groove 11 and pegs graft for it is fixed between the two, and the block of accomplishing between the nut bolt is fixed, prevents that it from taking place the phenomenon of reversing and influence the two stability of being connected.
Further, in the above technical scheme, a bolt head 13 is welded at the top of the connecting rod 10, the bolt body 14 is composed of the bolt head 13, the connecting rod 10 and a threaded rod, the bolt body 14 is connected into the nut body 1 by means of the external thread 9 on the outer wall of the threaded rod in a threaded manner, connection between the bolt body and the nut body is reinforced by threaded connection, and stability of the device is improved.
Further, in the above technical scheme, mounting grooves 15 are formed in both sides of the bottom of the nut body 1, the number of the mounting grooves 15 is four, clamping grooves 16 are formed in both sides of the inner wall of each mounting groove 15, and the mounting grooves 15 and the clamping grooves 16 are convenient to mount and dismount between the nut body 1 and the metal ring 20.
Further, in the above technical scheme, slide bars 17 are welded at the top end of the interior of the mounting groove 15, the number of the slide bars 17 is two, the number of the slide bars 17 in each group is two, the slide bars 17 in each group are symmetrical with respect to the central axis of the mounting groove 15, and the slide bars 17 are used for guiding the movement of the slide plate 19 to prevent the slide plate 19 from shifting when sliding up and down.
Further, in the above technical scheme, the top end of the outer wall of each of the slide bars 17 is movably connected with a second spring 18, the bottom of the outer wall between each of the slide bars 17 is fixedly connected with a sliding plate 19, the sliding plate 19 is slidably connected with the slide bars 17, the second spring 18 is arranged on the outer wall of each of the slide bars 17, and the sliding plate 19 on the outer wall of each of the slide bars 17 is protected by buffering, so that the use safety of the slide bars is improved.
Further, in the above technical scheme, the bottom of the nut body 1 is connected with a metal ring 20 in a clamping manner, the inner wall of the metal ring 20 is fixedly connected with inner wall threads 21, the inner wall threads 21 are matched with the external threads 9, and the inner wall threads 21 in the metal ring 20 are embedded with the external threads 9 of the threaded rod, so that the bolt body 14 and the nut body 1 are better fixed together to prevent loosening.
Further, in the above technical solution, the outer wall of the metal ring 20 is welded with the four bumps 22, and the four bumps 22 are distributed on the outer wall of the metal ring 20 in an annular array.
Further, in the above technical scheme, each of the top welding of lug 22 has a card post 23, be connected for the block between card post 23 and the mounting groove 15, the card post 23 block of lug 22 bottom is installed to the mounting groove 15 in, is convenient for install and dismantle between becket 20 and nut body 1.
This practical theory of operation:
referring to the attached drawings 1-5 of the specification, a worker screws a nut body 1 into the nut body 1 through a threaded rod, an internal thread 7 in the nut body 1 is tightly attached and fixed with an external thread 9 of the threaded rod, a connecting rod 10 correspondingly rotates downwards to the inner wall of the nut body 1 in the process of rotating a bolt body 14, when a limiting groove 11 in the connecting rod 10 is embedded with a limiting plate 5 of a fixing groove 2 in the nut body 1, a limiting hole 6 in the limiting plate 5 is aligned and inserted with a limiting column 12 in the limiting groove 11, the two are fixed, and the nut body 1 and the bolt body 14 are clamped and fixed;
referring to the attached drawings 1-5 in the specification, a worker aligns the clamping column 23 at the bottom of the bump 22 with the mounting groove 15 and inserts the clamping column 23 to a certain depth, so that the clamping column 23 abuts against the sliding plate 19 to slide along the sliding rod 17 until the sliding plate 19 slides to the position corresponding to the clamping groove 16 and is embedded into the clamping groove 16, the sliding plate 19 cannot move on the sliding rod 17 due to being fixed in the clamping groove 16, and at this time, the fixed mounting between the metal ring 20 and the nut body 1 is completed.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a prevent lock nut that reverses, includes nut body (1) and bolt body (14), its characterized in that: the nut is characterized in that the top ends of two sides of the inner wall of the nut body (1) are provided with fixing grooves (2), one side of each fixing groove (2) is fixedly connected with a pressing plate (3), the front end of each pressing plate (3) is welded with a first spring (4), the front end of each first spring (4) is welded with a limiting plate (5), limiting holes (6) are formed in the top ends of the limiting plates (5), the number of the limiting holes (6) is five, the five limiting holes (6) are equidistantly distributed in the top ends of the limiting plates (5), the bottom of the inner wall of the nut body (1) is fixedly connected with internal threads (7), the axis of the nut body (1) is in threaded connection with a bolt rod (8), the outer wall of the bolt rod (8) is welded with external threads (9), the external threads (9) are matched with the internal threads (7), and the top of the bolt rod (, spacing groove (11) have all been seted up to the outer wall both sides of connecting rod (10), the quantity of spacing groove (11) sets up to two, every spacing post (12) have been welded to one side of spacing groove (11), the quantity of spacing post (12) sets up to five, phase-match between spacing post (12) and spacing hole (6).
2. The anti-rollback locking nut of claim 1, wherein: the top welding of connecting rod (10) has bolt head (13), bolt body (14) comprise bolt head (13), connecting rod (10) and threaded rod.
3. The anti-rollback locking nut of claim 1, wherein: mounting grooves (15) are formed in two sides of the bottom of the nut body (1), the number of the mounting grooves (15) is four, and each mounting groove (16) is formed in two sides of the inner wall of each mounting groove (15).
4. An anti-rollback lock nut according to claim 3, wherein: the welding of the inside top of mounting groove (15) has slide bar (17), the quantity of slide bar (17) sets up to two sets of, every group the quantity of slide bar (17) sets up to two, every group it is symmetrical about the axis of mounting groove (15) between slide bar (17).
5. An anti-back-rotation lock nut as claimed in claim 4, wherein: the top ends of the outer walls of the sliding rods (17) are movably connected with a second spring (18), a sliding plate (19) is fixedly connected to the bottom of the outer wall between each two sliding rods (17), and the sliding plate (19) is in sliding connection with the sliding rods (17).
6. The anti-rollback locking nut of claim 1, wherein: the bottom block of nut body (1) is connected with becket (20), the inner wall fixedly connected with inner wall screw thread (21) of becket (20), phase-match between inner wall screw thread (21) and external screw thread (9).
7. The anti-rollback lock nut of claim 6, wherein: the outer wall welding of becket (20) has lug (22), the quantity of lug (22) sets up to four, four lug (22) are the outer wall that annular array distributes in becket (20).
8. An anti-rollback lock nut according to claim 7, wherein: the top welding of every lug (22) has card post (23), be the block connection between card post (23) and mounting groove (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022579966.9U CN213575087U (en) | 2020-11-10 | 2020-11-10 | Anti-reverse locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022579966.9U CN213575087U (en) | 2020-11-10 | 2020-11-10 | Anti-reverse locking nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213575087U true CN213575087U (en) | 2021-06-29 |
Family
ID=76535578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022579966.9U Expired - Fee Related CN213575087U (en) | 2020-11-10 | 2020-11-10 | Anti-reverse locking nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213575087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576256A (en) * | 2022-03-01 | 2022-06-03 | 苏州特耐五金有限公司 | Integral type self-locking nut |
-
2020
- 2020-11-10 CN CN202022579966.9U patent/CN213575087U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576256A (en) * | 2022-03-01 | 2022-06-03 | 苏州特耐五金有限公司 | Integral type self-locking nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210629 |