CN219366552U - Spring anti-loosening flange nut - Google Patents
Spring anti-loosening flange nut Download PDFInfo
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- CN219366552U CN219366552U CN202223183823.1U CN202223183823U CN219366552U CN 219366552 U CN219366552 U CN 219366552U CN 202223183823 U CN202223183823 U CN 202223183823U CN 219366552 U CN219366552 U CN 219366552U
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- cylinder
- spring
- nut
- side groove
- fixed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a spring anti-loosening flange nut which comprises a nut main body, a fixed cylinder, a first side groove, a second side groove, a spring, a guide bar, a movable plate, a movable cylinder and a compression ring, wherein the bottom of the nut main body is provided with a flange, the axis of the nut main body is provided with a threaded hole, the top of the nut main body is fixedly provided with the fixed cylinder, the fixed cylinder is coaxial with the nut main body, the inner diameter of the fixed cylinder is larger than that of the nut main body, the spring is arranged in the fixed cylinder and coaxial with the fixed cylinder, the top end of the spring is fixed with the fixed cylinder, the outer wall of the fixed cylinder is provided with a first side groove which is vertically arranged, the inner wall of the fixed cylinder is provided with a second side groove, and the first side groove is communicated with the second side groove. According to the nut, the spring, the movable plate, the movable cylinder and the compression ring are matched, so that the spring can clamp a screw rod matched with the nut body after the nut body is screwed, the whole nut is not easy to rotate after the nut is installed, and the nut has a good anti-loosening effect.
Description
Technical Field
The utility model relates to the technical field of fasteners, in particular to the technical field of flange nuts.
Background
Flange nuts are a common type of fastener that is used in a wide variety of applications. The flange nut has a certain anti-loosening effect. However, when the flange nut is mounted on a component such as an automobile chassis which can vibrate, the flange nut is easy to loosen due to vibration, and certain potential safety hazards are caused once the flange nut is loosened.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a spring anti-loosening flange nut which can prevent the flange nut from loosening easily.
In order to achieve the above purpose, the utility model provides a spring anti-loosening flange nut, which comprises a nut main body, a fixed cylinder, a first side groove, a second side groove, a spring, a guide bar, a movable plate, a movable cylinder and a compression ring, wherein the bottom of the nut main body is provided with a flange, a threaded hole is arranged on the axis of the nut main body, the top of the nut main body is fixedly provided with the fixed cylinder, the fixed cylinder is coaxial with the nut main body, the inner diameter of the fixed cylinder is larger than the inner diameter of the nut main body, the fixed cylinder is internally provided with the spring, the spring is coaxial with the fixed cylinder, the top end of the spring is fixed with the fixed cylinder, the outer wall of the fixed cylinder is provided with a first side groove which is vertically arranged, the inner wall of the fixed cylinder is provided with a second side groove, the first side groove is communicated with the second side groove, the movable plate is inserted into the second side groove from the outside of the fixed cylinder, the bottom end of the spring is fixed with the movable plate, the movable plate can move up and down in the second side groove, a guide strip is arranged in the first side groove and is fixed with the movable plate, the nut main body consists of a first cylinder and a second cylinder, the first cylinder is cylindrical, the outer diameter of the first cylinder is larger than that of the fixed cylinder, the second cylinder is fixed at the bottom of the first cylinder, the second cylinder is regular hexagonal prism, the lower projection of the first cylinder is totally positioned on the upper end face of the second cylinder, an external thread is arranged at the outer part of the first cylinder, the movable cylinder is screwed on the first cylinder, a compression ring is fixed at the top end of the inner wall of the movable cylinder, the lower end of the compression ring props against the upper end face of the movable plate exposed at the outer part of the fixed cylinder, the inner wall of the compression ring contacts with the outer side of the guide strip, a groove is arranged on the outer wall of the first cylinder, a nylon block is embedded in the groove, a plurality of through holes are arranged on the side wall of the movable cylinder, the through holes are uniformly distributed on a horizontal circumferential surface, the movable barrel is provided with a screw, the screw can penetrate through the through holes and be screwed on the nylon block, the inner diameter of the spring is larger than the large diameter of the threaded hole in a natural state, and the movable block can stretch the spring to a small diameter of which the inner diameter is smaller than the threaded hole.
Preferably, the top end of the spring is welded with the fixed cylinder, and the bottom end of the spring is welded with the movable plate.
Preferably, the width of the first side groove, the width of the second side groove, the width of the guide bar and the width of the movable plate are all the same, and the bottom of the first side groove is flush with the bottom of the second side groove.
Preferably, the outer side of the guide strip is flush with the outer wall of the fixed cylinder.
Preferably, the fixing cylinder, the nut main body and the flange are of an integrated structure, and anti-skid scales are arranged at the bottom of the flange.
Preferably, the screw comprises a head, a polish rod section and a thread section which are connected in sequence, wherein the diameter of the polish rod section is equal to the inner diameter of the through hole, the large diameter of the thread section is smaller than the diameter of the polish rod section, and the tail end of the thread section is conical.
The utility model has the beneficial effects that: according to the nut, the spring, the movable plate, the movable cylinder and the compression ring are matched, so that the spring can clamp a screw rod matched with the nut body after the nut body is screwed, the whole nut is not easy to rotate after the nut is installed, and the nut has a good anti-loosening effect.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
Drawings
Fig. 1 is a front view of a spring anti-loosening flange nut of the present utility model.
In the figure: 1-nut main body, 2-fixed cylinder, 3-spring, 4-movable cylinder, 5-screw, 10-screw hole, 11-first cylinder, 12-second cylinder, 13-recess, 14-nylon piece, 15-flange, 21-first side groove, 22-second side groove, 30-movable plate, 31-guide strip, 40-clamping ring, 41-through hole, 51-head, 52-polished rod section, 53-screw section.
Detailed Description
Referring to fig. 1, the spring anti-loosening flange nut comprises a nut main body 1, a fixed cylinder 2, a first side groove 21, a second side groove 22, a spring 3, a guide bar 31, a movable plate 30, a movable cylinder 4 and a compression ring 40, wherein the bottom of the nut main body 1 is provided with a flange 15, a threaded hole 10 is arranged on the axis of the nut main body 1, the top of the nut main body 1 is fixedly provided with a fixed cylinder 2, the fixed cylinder 2 is coaxial with the nut main body 1, the inner diameter of the fixed cylinder 2 is larger than the inner diameter of the nut main body 1, a spring 3 is arranged in the fixed cylinder 2, the spring 3 is coaxial with the fixed cylinder 2, the top end of the spring 3 is fixed with the fixed cylinder 2, a first side groove 21 which is vertically arranged is arranged on the outer wall of the fixed cylinder 2, a second side groove 22 is arranged on the inner wall of the fixed cylinder 2, the first side groove 21 is communicated with the second side groove 22, the movable plate 30 is inserted into the second side groove 22 from the outside of the fixed cylinder 2, the bottom end of the spring 3 is fixed with the movable plate 30, the movable plate 30 can move up and down in the second side groove 22, a guide strip 31 is arranged in the first side groove 21, the guide strip 31 is fixed with the movable plate 30, the nut main body 1 consists of a first cylinder 11 and a second cylinder 12, the first cylinder 11 is cylindrical, the outer diameter of the first cylinder 11 is larger than that of the fixed cylinder 2, the second cylinder 12 is fixed at the bottom of the first cylinder 11, the second cylinder 12 is in a regular hexagonal prism shape, the lower projection of the first cylinder 11 is totally positioned on the upper end surface of the second cylinder 12, the outside of the first cylinder 11 is provided with external threads, the movable cylinder 4 is screwed on the first cylinder 11, the top end of the inner wall of the movable cylinder 4 is fixed with a compression ring 40, the lower end of the compression ring 40 props against the upper end surface of the outer part of the movable plate 30, which is exposed at the outer part of the fixed cylinder 2, the inner wall of the compression ring 40 contacts with the outer side of the guide strip 31, the outer wall of the first column 11 is provided with a groove 13, a nylon block 14 is embedded in the groove 13, a plurality of through holes 41 are formed in the side wall of the movable barrel 4, the through holes 41 are uniformly distributed on a horizontal circumferential surface, the movable barrel 4 is provided with a screw 5, the screw 5 can penetrate through the through holes 41 and be screwed on the nylon block 14, the inner diameter of the spring 3 is larger than the large diameter of the threaded hole 10 in a natural state, and the movable block can stretch the spring 3 to a state that the inner diameter of the spring 3 is smaller than the small diameter of the threaded hole 10.
The area of the outer side of the nylon block 14 is larger than the area of the cross section of the through hole, and the spring 4 only clamps the screw rod matched with the nut main body 1 when the screw 5 is screwed on the nylon block 14 through any through hole 41.
The top of the spring 3 is welded with the fixed cylinder 2, the bottom of the spring 3 is welded with the movable plate 30, the fixation is convenient, and parts are fewer.
The width of the first side groove 21, the width of the second side groove 22, the width of the guide bar 31 and the width of the movable plate 30 are all the same, the bottom of the first side groove 21 is flush with the bottom of the second side groove 22, and the movable plate 30 and the guide bar 31 are not easy to shake.
The fixed cylinder 2, the nut main body 1 and the flange 15 are of an integrated structure, and anti-skid scales are arranged at the bottom of the flange 15.
The screw 5 is composed of a head 51, a polish rod section 52 and a thread section 53 which are connected in sequence, the diameter of the polish rod section 52 is equal to the inner diameter of the through hole 41, the large diameter of the thread section 53 is smaller than the diameter of the polish rod section 52, the tail end of the thread section 53 is conical, and the movable barrel 4 is not easy to slightly rotate after being fixed.
The working process of the utility model comprises the following steps:
in the working process of the spring anti-loosening flange nut, the screw 5, the movable cylinder 4 and the nut main body 1 are separated when the nut is in an initial state, the nut main body 1 is screwed on the screw rod, the movable cylinder 4 is screwed on the first column 11 of the nut main body 1 after the screwing, the compression ring 40 at the inner side of the movable cylinder 4 presses the movable plate 30 to move downwards in the screwing process, the movable plate 30 is close to the end of the spring 3 in the downward moving process and cannot be lifted upwards due to the existence of the guide strip 31, the movable plate 30 can drive the bottom end of the spring 3 to move downwards, the spring 3 can be lengthened, the inner diameter of the spring 3 can be reduced, the spring 3 can finally clamp the screw rod, and the movable cylinder 4 is screwed continuously, so that one through hole 41 is aligned with the nylon block 14, and then the screw 5 is screwed on, so that the whole fixing process is completed. The fixed nut is not easy to rotate due to the fact that the spring 3 is used for clamping the screw, the nut has a good mode effect, and the anti-loosening performance of the nut cannot be affected by vibration in a working environment.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (6)
1. The spring anti-loosening flange nut is characterized in that: the nut comprises a nut main body (1), a fixed cylinder (2), a first side groove (21), a second side groove (22), a spring (3), a guide strip (31), a movable plate (30), a movable cylinder (4) and a compression ring (40), wherein a flange (15) is arranged at the bottom of the nut main body (1), a threaded hole (10) is arranged on the axis of the nut main body (1), a fixed cylinder (2) is fixed at the top of the nut main body (1), the fixed cylinder (2) is coaxial with the nut main body (1), the inner diameter of the fixed cylinder (2) is larger than the inner diameter of the nut main body (1), a spring (3) is arranged inside the fixed cylinder (2), the spring (3) is coaxial with the fixed cylinder (2), the top end of the spring (3) is fixed with the fixed cylinder (2), a first side groove (21) which is vertically arranged is arranged on the outer wall of the fixed cylinder (2), the first side groove (21) is communicated with the second side groove (22), the movable plate (30) is inserted into the second side groove (22) from the outside of the fixed cylinder (2), the bottom end of the movable plate (30) is fixed in the second side groove (22) in the movable plate (30), the nut is characterized in that a guide strip (31) is arranged in the first side groove (21), the guide strip (31) is fixed with the movable plate (30), the nut main body (1) is composed of a first cylinder (11) and a second cylinder (12), the first cylinder (11) is cylindrical, the outer diameter of the first cylinder (11) is larger than that of the fixed cylinder (2), the second cylinder (12) is fixed at the bottom of the first cylinder (11), the second cylinder (12) is regular hexagonal prism-shaped, the lower projections of the first cylinder (11) are all arranged on the upper end face of the second cylinder (12), external threads are arranged outside the first cylinder (11), the movable cylinder (4) is screwed on the first cylinder (11), the top end of the inner wall of the movable cylinder (4) is fixed with a compression ring (40), the lower end of the movable plate (30) is exposed at the upper end face of the outer part of the fixed cylinder (2), the inner wall of the compression ring (40) is contacted with the outer side of the guide strip (31), a groove (13) is arranged on the outer wall of the first cylinder (11), a plurality of nylon blocks (13) are embedded in grooves (13), a plurality of through holes (41) are uniformly distributed on the side wall (4) of the movable cylinder (4), the screw (5) can penetrate through the through hole (41) and be screwed on the nylon block (14), the inner diameter of the spring (3) is larger than the large diameter of the threaded hole (10) in a natural state, and the movable block can stretch the spring (3) to a small diameter, wherein the inner diameter of the spring (3) is smaller than the small diameter of the threaded hole (10).
2. The spring anti-loosening flange nut of claim 1, further comprising: the top end of the spring (3) is welded with the fixed cylinder (2), and the bottom end of the spring (3) is welded with the movable plate (30).
3. The spring anti-loosening flange nut of claim 1, further comprising: the width of the first side groove (21), the width of the second side groove (22), the width of the guide strip (31) and the width of the movable plate (30) are all the same, and the bottom of the first side groove (21) is flush with the bottom of the second side groove (22).
4. The spring anti-loosening flange nut of claim 1, further comprising: the outer side of the guide strip (31) is flush with the outer wall of the fixed cylinder (2).
5. The spring anti-loosening flange nut of claim 1, further comprising: the fixing cylinder (2), the nut main body (1) and the flange (15) are of an integrated structure, and anti-skid scales are arranged at the bottom of the flange (15).
6. The spring anti-loosening flange nut of claim 1, further comprising: the screw (5) consists of a head (51), a polish rod section (52) and a thread section (53) which are connected in sequence, the diameter of the polish rod section (52) is equal to the inner diameter of the through hole (41), the large diameter of the thread section (53) is smaller than the diameter of the polish rod section (52), and the tail end of the thread section (53) is conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223183823.1U CN219366552U (en) | 2022-11-29 | 2022-11-29 | Spring anti-loosening flange nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223183823.1U CN219366552U (en) | 2022-11-29 | 2022-11-29 | Spring anti-loosening flange nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219366552U true CN219366552U (en) | 2023-07-18 |
Family
ID=87114301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223183823.1U Active CN219366552U (en) | 2022-11-29 | 2022-11-29 | Spring anti-loosening flange nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219366552U (en) |
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2022
- 2022-11-29 CN CN202223183823.1U patent/CN219366552U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |