CN220816202U - Fastener with anti-loosening function - Google Patents
Fastener with anti-loosening function Download PDFInfo
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- CN220816202U CN220816202U CN202322252931.8U CN202322252931U CN220816202U CN 220816202 U CN220816202 U CN 220816202U CN 202322252931 U CN202322252931 U CN 202322252931U CN 220816202 U CN220816202 U CN 220816202U
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- fastening nut
- screw
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- nut
- fastening
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- 238000009434 installation Methods 0.000 claims description 26
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 9
- 230000000670 limiting effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a fastener with an anti-loosening function, which comprises a fastening nut, wherein the fastening nut is arranged at one end of a screw rod, a cross groove is formed in the end face of the fastening nut, and threads are formed in the outer wall of the other end of the screw rod; a first fastening nut arranged outside the screw, wherein a second fastening nut is arranged on one side of the first fastening nut; the open slot, it sets up on the outer wall of first fastening nut and second fastening nut, be provided with the connecting strip between first fastening nut and the second fastening nut, the both ends of connecting strip respectively with first fastening nut and second fastening nut joint, this fastener adopts double nut connection structure, plays spacing effect to inboard nut, can prevent that the nut from appearing loosening, forms a whole with two nuts with the help of the connecting strip, and two nuts can not synchronous rotation, just so can not take off two nuts simultaneously, and locking take off the function better.
Description
Technical Field
The utility model relates to the technical field of fasteners, in particular to a fastener with an anti-loosening function.
Background
The fastener is also called a standard component in the market, and is a mechanical component capable of mechanically fixing or bonding two or more components together, and is characterized by various specifications, various performance purposes and extremely high standardization, serialization and universalization degrees. Fasteners are the most widely used mechanical basis and are also used to hold the container closed, possibly by closing the opening of the element, and attaching a cover to the container, also like a specially designed element of a bread clamp, which does not permanently close the container, and which can still be opened by the user without damaging the fastener. The fastener is a mechanical part which is used for fastening connection and has extremely wide application, and can be widely applied to various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, articles and the like.
Chinese patent publication No. CN116025628A, grant bulletin day 2023, month 04 and 28, a fastener with anti-loosening function, relates to the fastener field, and comprises: the limiting fixture block, limiting fixture block is transversely pegged graft in the inside of control cushion, it does not possess the locking structure of taking off when having solved current fastener when using, the phenomenon that the nut is loosened because of factors such as external vibration easily appears in the fastener after the installation is accomplished, thereby reduce the problem of fastener's fastening degree, the locking subassembly can restrict fastening nut and rotate towards the direction of pine after the installation is accomplished, make the fastener use as a whole all the time, guarantee stable fastening joint strength, the device is detachable design simultaneously, can normally rotate fastening nut can realize installing fastening use when the installation, can release the rotation limit function of locking subassembly to fastening nut through the control lever when dismantling, thereby fastening nut can freely reverse the dismantlement afterwards, can cyclic utilization.
The existing fastener does not have an anti-loosening structure, the fastener is stressed in the use process to easily cause corresponding rotation between the screw rod and the nut, so that the nut is loosened, the fastening degree is reduced, the stability of a fastened workpiece is reduced, and the use requirement cannot be met.
Disclosure of utility model
The utility model aims to provide a fastener with an anti-loosening function, so as to solve the problems that the prior fastener in the prior art does not have an anti-loosening structure, the corresponding rotation between a screw and a nut is easily caused by the stress of the fastener in the use process, the nut is loosened, the fastening degree is reduced, the stability of a fastened workpiece is reduced, and the use requirement cannot be met.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a fastener with locking function that takes off, includes the screw rod, still includes:
The fastening nut is arranged at one end of the screw rod, the fastening nut and the screw rod are integrated, the cross section of the fastening nut is trapezoidal, a cross groove is formed in the end face of the fastening nut, the cross groove is formed in the center of the fastening nut, threads are formed in the outer wall of the other end of the screw rod, and the threads and the screw rod are integrated;
The first fastening nut is arranged outside the screw rod, a second fastening nut is arranged on one side of the first fastening nut, the second fastening nut is arranged outside the screw rod, and the first fastening nut and the second fastening nut are in threaded connection with the screw rod;
The open slot, it sets up on the outer wall of first fastening nut and second fastening nut, the open slot is provided with at least three, be provided with the connecting strip between first fastening nut and the second fastening nut, and the connecting strip corresponds the setting with the open slot, the both ends of connecting strip respectively with first fastening nut and second fastening nut joint.
Preferably, an elastic washer is arranged on one side of the first fastening nut, the elastic washer is arranged outside the screw, and the elastic washer is connected with the screw in a sliding mode.
Preferably, the outside of screw rod is provided with the bow-shaped frame, and the bow-shaped frame is provided with at least two, and the bow-shaped frame is at the outside equidistance setting of screw rod, the both ends of bow-shaped frame all set up as an organic wholely with the screw rod.
Preferably, the outside of fastening nut is provided with the installation cover, be provided with the mounting groove on the installation cover, and the mounting groove corresponds the setting with fastening nut, screw rod and fastening nut all rotate with the installation cover and be connected.
Preferably, an anti-slip washer is arranged at the lower end of the mounting sleeve, the anti-slip washer and the mounting sleeve are integrated, and the anti-slip washer is arranged outside the screw rod.
Preferably, the one end of installation cover is provided with the jack, and the jack is provided with six, and the jack sets up in the one end equidistance of installation cover, one side of installation cover is provided with the closing cap, the inboard of closing cap is provided with the cross seat, and cross seat and closing cap fixed connection, the cross seat corresponds the setting with the cross groove, and cross seat and fastening nut joint, the outside of cross seat is provided with the inserted block, and the inserted block is provided with six, and six inserted blocks set up in one side equidistance of closing cap, the one end and the closing cap fixed connection of inserted block, and the inserted block corresponds the setting with the jack.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the device, through the arrangement of the first fastening nut, the second fastening nut, the opening groove and the connecting strip, the first fastening nut and the second fastening nut are sequentially connected with the screw rod, the first fastening nut is attached to the second fastening nut, a limiting effect is achieved on the first fastening nut, the first fastening nut is prevented from rotating to loosen connection, the connecting strip is inserted into the opening groove to be connected, the first fastening nut and the second fastening nut form a whole, the two fastening nuts cannot synchronously rotate, and the two fastening nuts cannot be simultaneously taken down from the screw rod;
2. According to the device, through the arrangement of the mounting sleeve, the bow-shaped frame and the elastic washer, the stress area between the fastening nut part and the workpiece is increased by the mounting sleeve, the fastening effect is improved, the bow-shaped frame is pressed into the mounting hole and is contacted with the inner wall of the mounting hole, the rotation of the screw rod can be limited, the elastic washer enables the fastening structure to have a buffering effect, the vibration force received by the fastening structure can be buffered, and the fastening structure is prevented from being loosened by external force;
3. The device is provided with the sealing cover, the cross seat and the insert block, the cross seat is in inserted connection with the cross groove, the insert block is in inserted connection with the insert hole, the sealing cover is connected with the mounting sleeve, the limiting effect is achieved on the mounting sleeve and the fastening nut connector, and the fastening piece is prevented from loosening due to rotation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a diagram showing the connection relationship between the mounting sleeve and the cover;
fig. 4 is an enlarged view of a portion of area a of fig. 2 in accordance with the present utility model.
In the figure: 1. a screw; 2. a mounting sleeve; 3. fastening a screw cap; 4. a cross groove; 5. a mounting groove; 6. a jack; 7. a cover; 8. a bow; 9. a thread; 10. an elastic washer; 11. a first fastening nut; 12. a second fastening nut; 13. an open slot; 14. a connecting strip; 15. an anti-slip washer; 16. a cross seat; 17. and (5) inserting blocks.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, an embodiment of the present utility model is provided: a fastener with anti-loosening function, comprising a screw 1, further comprising:
The fastening nut 3 is arranged at one end of the screw 1, the fastening nut 3 and the screw 1 are integrally arranged, the cross section of the fastening nut 3 is trapezoidal, a cross groove 4 is formed in the end face of the fastening nut 3, the cross groove 4 is formed in the center of the fastening nut 3, a thread 9 is formed in the outer wall of the other end of the screw 1, and the thread 9 and the screw 1 are integrally arranged;
A first fastening nut 11 disposed outside the screw 1, a second fastening nut 12 disposed on one side of the first fastening nut 11, and the second fastening nut 12 disposed outside the screw 1, the first fastening nut 11 and the second fastening nut 12 being both screw-coupled with the screw 1;
The open slot 13, it sets up on the outer wall of first fastening nut 11 and second fastening nut 12, and open slot 13 is provided with at least three, is provided with connecting strip 14 between first fastening nut 11 and the second fastening nut 12, and connecting strip 14 and open slot 13 correspond the setting, and the both ends of connecting strip 14 respectively with first fastening nut 11 and second fastening nut 12 joint.
When in use, the utility model is characterized in that: the screw thread 9 passes through the mounting hole on the workpiece, the first fastening nut 11 is connected with the screw thread 9, the workpiece to be fastened is fastened, the second fastening nut 12 is connected with the screw 1, the second fastening nut 12 is contacted with the first fastening nut 11, the first fastening nut 11 is limited, the first fastening nut 11 can be prevented from rotating reversely, the connecting strip 14 is inserted into the open slot 13 to be connected with the first fastening nut 11 and the second fastening nut 12, the first fastening nut 11 and the second fastening nut 12 form a whole, the first fastening nut 11 and the second fastening nut 12 cannot synchronously rotate, and the two fastening nuts cannot be simultaneously taken down from the screw, so that the anti-loosening function is realized.
Referring to fig. 1 and 2, an elastic washer 10 is disposed at one side of the first fastening nut 11, and the elastic washer 10 is disposed outside the screw 1, and the elastic washer 10 is slidably connected with the screw 1, so that the fastening structure is specifically buffered by the elastic washer 10, and the vibration force received is buffered, thereby improving the stability of the fastener.
Referring to fig. 1 and 2, the outer part of the screw 1 is provided with at least two bows 8, the bows 8 are equidistantly arranged outside the screw 1, two ends of the bows 8 are integrated with the screw 1, and the bows 8 are pressed into the mounting holes and are in close contact with the inner walls of the mounting holes, so that the screw 1 can be limited, and the screw 1 can be prevented from rotating.
Referring to fig. 1, 2 and 3, the outside of the fastening nut 3 is provided with a mounting sleeve 2, the mounting sleeve 2 is provided with a mounting groove 5, the mounting groove 5 is correspondingly arranged with the fastening nut 3, the screw 1 and the fastening nut 3 are rotationally connected with the mounting sleeve 2, the stress area of the fastening nut 3 part and the workpiece is increased through the mounting sleeve 2, and the firmness of the fastener is improved.
Referring to fig. 2 and 3, the lower end of the installation sleeve 2 is provided with an anti-slip washer 15, and the anti-slip washer 15 and the installation sleeve 2 are integrally arranged, the anti-slip washer 15 is arranged outside the screw 1, and friction between the installation sleeve 2 and a workpiece is increased through the anti-slip washer 15, so that the installation sleeve 2 can be prevented from rotating.
Referring to fig. 1, 2 and 4, one end of the installation sleeve 2 is provided with jacks 6, the jacks 6 are six, the jacks 6 are arranged at one end of the installation sleeve 2 at equal intervals, one side of the installation sleeve 2 is provided with a sealing cover 7, the inner side of the sealing cover 7 is provided with a cross seat 16, the cross seat 16 is fixedly connected with the sealing cover 7, the cross seat 16 is correspondingly arranged with the cross groove 4, the cross seat 16 is clamped with the fastening nut 3, the outside of the cross seat 16 is provided with inserting blocks 17, the inserting blocks 17 are six, the six inserting blocks 17 are arranged at one side of the sealing cover 7 at equal intervals, one end of each inserting block 17 is fixedly connected with the sealing cover 7, the inserting blocks 17 are correspondingly arranged with the jacks 6, the inserting blocks 17 are connected with the cross groove 4 through the inserting holes 6, the sealing cover 7 is connected with the installation sleeve 2, the limiting effect is achieved on the connection body of the installation sleeve 2 and the fastening nut 3, the fastening nut 3 can be prevented from being stressed to rotate, and the anti-loosening effect is improved.
Working principle: the screw thread 9 passes through a mounting hole on a workpiece, the first fastening nut 11 is connected with the screw thread 9, the workpiece to be fastened is fastened, the second fastening nut 12 is connected with the screw 1, the second fastening nut 12 is contacted with the first fastening nut 11, the first fastening nut 11 is limited, the first fastening nut 11 can be prevented from rotating reversely, the connecting strip 14 is inserted into the open slot 13 to be connected with the first fastening nut 11 and the second fastening nut 12, the first fastening nut 11 and the second fastening nut 12 form a whole, the first fastening nut 11 and the second fastening nut 12 cannot synchronously rotate, and the two fastening nuts cannot be simultaneously taken down from the screw, so that the anti-loosening function is realized; the cross seat 16 is inserted into the cross groove 4 for connection, the insertion block 17 is inserted into the insertion hole 6 for connection, the sealing cover 7 is connected with the mounting sleeve 2, the limiting effect is achieved on the connecting body of the mounting sleeve 2 and the fastening nut 3, the fastening nut 3 can be prevented from being stressed to rotate, and the anti-loosening effect is improved.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Fastener with locking function that takes off, including screw rod (1), its characterized in that still includes:
The screw bolt comprises a screw bolt (1), a fastening nut (3), a cross groove (4) and a thread (9), wherein the fastening nut (3) is arranged at one end of the screw bolt (1), the fastening nut (3) and the screw bolt (1) are integrated, the cross section of the fastening nut (3) is in a trapezoid shape, the cross groove (4) is arranged on the end face of the fastening nut (3), the cross groove (4) is arranged at the center of the fastening nut (3), the thread (9) is arranged on the outer wall of the other end of the screw bolt (1), and the thread (9) and the screw bolt (1) are integrated;
The first fastening nut (11) is arranged outside the screw (1), a second fastening nut (12) is arranged on one side of the first fastening nut (11), the second fastening nut (12) is arranged outside the screw (1), and the first fastening nut (11) and the second fastening nut (12) are in threaded connection with the screw (1);
The opening groove (13) is formed in the outer walls of the first fastening nut (11) and the second fastening nut (12), at least three opening grooves (13) are formed in the opening groove, a connecting strip (14) is arranged between the first fastening nut (11) and the second fastening nut (12), the connecting strip (14) is arranged corresponding to the opening groove (13), and two ends of the connecting strip (14) are respectively clamped with the first fastening nut (11) and the second fastening nut (12).
2. A fastener with anti-loosening function as claimed in claim 1, wherein: an elastic washer (10) is arranged on one side of the first fastening nut (11), the elastic washer (10) is arranged outside the screw (1), and the elastic washer (10) is in sliding connection with the screw (1).
3. A fastener with anti-loosening function as claimed in claim 1, wherein: the novel screw is characterized in that bow-shaped frames (8) are arranged outside the screw (1), at least two bow-shaped frames (8) are arranged, the bow-shaped frames (8) are arranged at equal intervals outside the screw (1), and two ends of each bow-shaped frame (8) are integrated with the screw (1).
4. A fastener with anti-loosening function as claimed in claim 1, wherein: the outside of fastening nut (3) is provided with installation cover (2), be provided with mounting groove (5) on installation cover (2), and mounting groove (5) correspond setting with fastening nut (3), screw rod (1) and fastening nut (3) all rotate with installation cover (2) and be connected.
5. A fastener with anti-loosening function as claimed in claim 4, wherein: the anti-slip washer (15) is arranged at the lower end of the installation sleeve (2), the anti-slip washer (15) and the installation sleeve (2) are integrated, and the anti-slip washer (15) is arranged outside the screw (1).
6. A fastener with anti-loosening function as claimed in claim 4, wherein: the utility model discloses a plug socket, including installation sleeve (2), jack (6) are provided with six, and jack (6) are provided with closing cap (7) in the one end equidistance of installation sleeve (2), one side of installation sleeve (2) is provided with closing cap (7), the inboard of closing cap (7) is provided with cross seat (16), and cross seat (16) and closing cap (7) fixed connection, cross seat (16) correspond setting with cross groove (4), and cross seat (16) and fastening nut (3) joint, the outside of cross seat (16) is provided with cartridge (17), and cartridge (17) are provided with six, and six cartridge (17) are provided with in one side equidistance of closing cap (7), the one end and the closing cap (7) fixed connection of cartridge (17), and cartridge (17) correspond setting with jack (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322252931.8U CN220816202U (en) | 2023-08-22 | 2023-08-22 | Fastener with anti-loosening function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322252931.8U CN220816202U (en) | 2023-08-22 | 2023-08-22 | Fastener with anti-loosening function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220816202U true CN220816202U (en) | 2024-04-19 |
Family
ID=90704394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322252931.8U Active CN220816202U (en) | 2023-08-22 | 2023-08-22 | Fastener with anti-loosening function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220816202U (en) |
-
2023
- 2023-08-22 CN CN202322252931.8U patent/CN220816202U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |