CN214007736U - Clamping type anti-loosening fastening assembly - Google Patents
Clamping type anti-loosening fastening assembly Download PDFInfo
- Publication number
- CN214007736U CN214007736U CN202023074464.7U CN202023074464U CN214007736U CN 214007736 U CN214007736 U CN 214007736U CN 202023074464 U CN202023074464 U CN 202023074464U CN 214007736 U CN214007736 U CN 214007736U
- Authority
- CN
- China
- Prior art keywords
- ring
- nut
- clamping
- double
- stud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
A clamping type anti-loosening fastening component belongs to the technical field of mechanical fastening and comprises a stud, a nut and a retaining collar; the double-screw bolt and the external thread thereof are provided with a double-screw bolt inner clamping mechanism, the nut is divided into a screwing part and a clamping part, the inner ring wall of the clamping part is provided with a nut outer clamping mechanism, and the retention clamping ring is a cylindrical structure body and comprises a double-sided locking ring and an anti-falling clamping ring; the anti-falling clamp ring is fixedly connected with the double-sided locking ring, and the outer side wall of the anti-falling clamp ring is directly provided with a clamping hook; the inner ring wall of the double-sided locking ring is a micro-oval cylinder and forms a stud outer clamping mechanism, and the outer ring wall of the double-sided locking ring is cylindrical and forms a nut inner clamping mechanism; a plurality of nut clamping pins are arranged on the outer surface of the circular cylinder; the double-screw bolt and the nut are clamped and fixed with the clamping part of the nut and the double-screw bolt through the retention retainer ring, and the snap ring is hooked by the clamping hook to prevent the snap ring from falling off, so that the effect of never loosening is realized.
Description
Technical Field
The utility model belongs to the technical field of mechanical fastening, especially a locking fastening components that takes off of card solid formula.
Background
Fastening assemblies are parts used to join two or more components together tightly. Common fastening components include bolts, studs, screws, etc., and nuts and bolts are generally fastened stably. However, if the fastened member is vibrated for a long time, the vibration frequency difference exists between the connecting members, so that each connecting member in the connecting structure can generate a certain displacement, the connection between the nut and the bolt becomes loose, and even falls off, and the stability and the safety of the operation of the connecting structure and even the whole device are affected. Taking the fastening screw and the nut on the train track as an example, when a train passes through the track at a certain speed, the fastening screw and the nut on the track can generate vibration with a certain frequency, so that fine displacement can occur between the stud and the nut, and connection looseness can be caused over time, therefore, on the train track, regular maintenance by a maintenance worker is often needed.
The current common mode for preventing the bolt from loosening is as follows: the double-nut pressing, the bolt and nut inserting key, the bolt and nut opening inserting metal rod, the iron wire winding looseness prevention, the bolt and nut clamping tooth meshing or direct gluing or welding and the like.
The applicant has long studied the anti-loosening technology, developed the clamp spring type clamping technology, and has applied for a series of patents in the previous period. However, the series of patents applied in the prior art all have a plurality of parts, which are not only inconvenient to manage in practical application, but also reduce the working efficiency, for example, the applicant applies a fastening type anti-loosening fastening assembly with application number 2020224005027 on 10/26/2020, and the scheme is that a retention collar and an anti-loosening collar are additionally arranged on the basis of a bolt and a nut; the bolt is provided with a first stud fastening surface, the nut is divided into an inner end cylinder and an outer end cylinder, a first nut fastening surface is arranged in the outer layer, a second nut fastening surface is arranged on the outer surface of the retention retainer ring, a second stud fastening surface is arranged on the inner surface of the retention retainer ring, and clamp spring ring grooves are formed in the first nut fastening surface and the second nut fastening surface; therefore, the bolt and the nut are clamped and fixed in a space formed by the outer end cylinder of the nut and the stud through the retention retainer ring, and the anti-falling clamp spring is used for resisting the retention retainer ring to prevent falling off, so that the purpose of never loosening is realized. Through probation, the assembly can prevent loosening, but the anti-disengaging clamp spring and the retention retainer ring are disjointed, the anti-disengaging clamp spring can be installed or detached only by a tool, the assembly or the disassembly is inconvenient, the construction efficiency is seriously affected, and the assembly is an improvement on the technical basis of the patent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to above-mentioned technical problem, provide an automatic chucking mounting structure with snap ring and rand direct link together to lock the installation fast, and reach from the card effect, thereby accomplish the purpose of locking pine takes off, so that improve work efficiency.
In order to solve the technical problem, the utility model provides a technical scheme is a locking fastening components that takes off of card solid formula, including double-screw bolt and nut, the double-screw bolt can be the double-screw bolt on the bolt, also can be the double-screw bolt on stud or the stud, including any fastening components that contains double-screw bolt and nut and combine together, its characterized in that still includes the maintenance rand.
The stud is provided with an external thread, the stud and the external thread thereof are provided with a stud internal clamping mechanism, the stud internal clamping mechanism is a non-circular column, preferably the stud internal clamping mechanism is a micro-oval threaded column, and can be a common oval column, a square column, a diamond column or a column with other section shapes; the micro-elliptic thread column is characterized in that original circular external threads on the stud are directly made into elliptic external threads, so that the elliptic major axis of the elliptic external threads is equal to the crest diameter of the circular external threads, the elliptic minor axis of the elliptic external threads is larger than the root diameter of the circular external threads, and the root diameter of the elliptic external threads is the same as the root diameter of the circular external threads; i.e. the threads of the two symmetrical flanks of the original external thread are slightly flattened.
The cylinder body of the nut is divided into two parts, namely a screwing part positioned on the cylinder body at the inner end and a clamping part positioned on the cylinder body at the outer end, wherein the inner surface of the screwing part is provided with internal threads, and the internal threads are matched with the external threads on the stud, so that the nut and the stud can be mutually screwed and fastened; the nut outer clamping mechanism comprises a clamp spring ring groove, a clamp spring buckle and a buckle ring barrel which are sequentially and directly formed on the outer side of the screwing part; the clamp spring ring groove is formed by sequentially connecting a lower groove ring wall, a groove bottom ring wall and an upper groove ring wall, the lower groove ring wall is directly generated on an inner layer cylinder body serving as a screwing part, and the inner diameter of the lower groove ring wall is equal to the crest diameter of an internal thread of the screwing part; the inner diameter of the ring wall of the groove bottom is larger than the crest diameter of the internal thread of the screwing part, and the inner diameter of the ring wall of the upper groove is larger than the inner diameter of the ring wall of the lower groove and smaller than the inner diameter of the ring wall of the groove bottom; the clamp spring ring fastener is directly formed on the upper groove annular wall, and the inner diameter of the clamp spring ring fastener is equal to that of the upper groove annular wall; the snap ring barrel is directly formed on the clamp spring buckle, and the inner diameter of the snap ring barrel is larger than that of the clamp spring buckle.
The retention retainer ring is a cylindrical structure body and comprises a double-sided locking ring and an anti-falling retainer ring; the anticreep snap ring is the ring form structure, the linking arm and the double-sided locking ring fixed connection of anticreep snap ring through two symmetries draw a perpendicular sharp through the centre of a circle on the line of two linking arms through the centre of a circle on the anticreep snap ring, directly generate on the lateral wall of the anticreep snap ring of two nodical positions of this perpendicular sharp and anticreep snap ring has the pothook, keep away from one side of double-sided locking ring on the pothook and be equipped with first oblique inserting wall.
The double-sided locking ring is a cylindrical structure, the inner ring wall of the cylindrical structure is non-cylindrical and forms a stud outer clamping mechanism, and the outer ring wall of the cylindrical structure is cylindrical and forms a nut inner clamping mechanism; the binding surfaces of the stud outer clamping mechanism and the stud inner clamping mechanism are matched with each other so as to be clamped mutually; the non-circular cylindrical inner surface of the stud external clamping mechanism can be a common oval cylinder, a square cylinder, a diamond cylinder or a cylinder tube with other section shapes, preferably, the stud external clamping mechanism is a micro oval cylinder, and the micro oval cylinder and the micro oval threaded column are matched with each other and can be sleeved and clamped with each other.
The binding surfaces of the nut outer clamping mechanism and the nut inner clamping mechanism are matched with each other so as to be clamped mutually, a plurality of nut clamping pins are arranged on the circular cylindrical outer surface of the nut inner clamping mechanism, and second inclined insertion walls are arranged on the positions, close to the anti-falling clamping rings, of the nut clamping pins; the nut clamping pins are uniformly distributed on the outer surface of the double-sided locking ring.
In addition, the anti-release clamping ring and the connecting arm can be directly changed into anti-release hooks, namely the fixing clamping ring comprises a double-sided locking ring and a plurality of anti-release hooks, the anti-release hooks comprise connecting rods and hooks which are directly connected, and one side of each hook, which is far away from the double-sided locking ring, is provided with a first inclined insertion wall; the anti-dropping hooks are uniformly distributed in an annular shape and are directly generated on the annular end surface at one side of the double-sided locking ring.
Furthermore, a nut sealing assembling and disassembling ring is directly generated at the outer end of the double-sided locking ring, and the outer diameter of the nut sealing assembling and disassembling ring is larger than that of the nut clamping part; for attaching the rear gland nut and also as a handle for mounting and dismounting.
Furthermore, a stud sealing cap is directly formed on the outer side of the nut sealing assembling and disassembling ring and used for sealing a stud, and the nut sealing assembling and disassembling ring can be waterproof and dustproof.
Furthermore, a rubber gasket is arranged between the nut clamping part and the nut seal assembling and disassembling ring, so that the nut seal assembling and disassembling ring is waterproof and dustproof.
Furthermore, the stud can be made into a micro-oval threaded column in the whole process.
During the use, pass the double-screw bolt by the fastener, screw up the nut on the double-screw bolt, and make the screw up portion support tightly by the fastener, align the anticreep snap ring on the maintenance rand or anticreep pothook to the gap between chucking portion and the little oval thread post and insert, until two-sided locking ring also inserts between chucking portion and the little oval thread post, then strike double-screw bolt sealing cap with external force, further insert the pothook on the anticreep snap ring in the jump ring annular, and make the jump ring buckle detain the pothook, imbed nut chucking round pin on the inner ring wall of chucking portion simultaneously, at this moment, the maintenance rand can be with nut and double-screw bolt chucking each other, make it unable rotation, generally unable pine takes off.
The utility model sets the stud and the external thread thereof as a stud inner clamping mechanism, the nut is divided into a screwing part and a clamping part, the inner ring wall of the clamping part is provided with a nut outer clamping mechanism, and the retention clamping ring is a tubular structure body and comprises a double-sided locking ring and an anti-dropping clamping ring; the anti-falling clamp ring is fixedly connected with the double-sided locking ring, and the outer side wall of the anti-falling clamp ring is directly provided with a clamping hook; the inner ring wall of the double-sided locking ring is a micro-oval cylinder and forms a stud outer clamping mechanism, and the outer ring wall of the double-sided locking ring is cylindrical and forms a nut inner clamping mechanism; a plurality of nut clamping pins are arranged on the outer surface of the circular cylinder; the double-screw bolt and the nut are clamped and fixed by the clamping part of the nut and the double-screw bolt through the retaining collar, and the snap ring buckle is hooked by the clamping hook to prevent the double-screw bolt and the nut from falling off, so that the purpose of never loosening is realized; the double-sided locking ring and the anti-falling clamping ring are directly connected together for installation, so that the nut and the stud can be fixed at one time; the structure that each part of this fastening assembly pin-down each other has realized never loosening connection characteristic, has fundamentally solved the not hard up problem of screwed connection, is fit for using under special conditions such as high-frequency vibration.
Drawings
Fig. 1 is a schematic view of the exploded structure of each component when the anti-dropping snap ring is used in the present invention.
Fig. 2 is an exploded schematic view of each component when the anti-drop hook is used in the utility model.
Fig. 3 is a schematic structural diagram of the stud of the present invention.
Fig. 4 is a schematic structural view of the nut of the present invention.
Fig. 5 is a schematic view of the retention clip of the present invention.
In the figure: 1. the bolt comprises a bolt, 2, a nut, 3, a retention retainer ring, 4, an external thread, 5, a bolt internal clamping mechanism, 6, a screwing part, 7, a clamping part, 8, an internal thread, 9, a nut external clamping mechanism, 10, a clamp spring ring groove, 11, a clamp spring ring buckle, 12, a buckle ring barrel, 13, a double-sided locking ring, 14, an anti-dropping clamp ring, 15, a connecting arm, 16, a clamp hook, 17, a first inclined insertion wall, 18, a bolt external clamping mechanism, 19, a nut internal clamping mechanism, 20, a nut clamping pin, 21, a second inclined insertion wall, 22, a micro-elliptic threaded column, 23, a micro elliptic barrel, 24, an anti-dropping clamp hook, 25, 26, a nut sealing and assembling and disassembling ring, 27, a bolt sealing cap and 28, a rubber gasket.
Detailed Description
The present invention is further described with reference to the following examples, which are intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example 1.
As shown in the figure, a clamping type anti-loosening fastening assembly is manufactured and comprises a stud 1, a nut 2 and a retention collar 3.
The stud 1 is provided with an external thread 4, the stud 1 and the external thread 4 are provided with a stud internal clamping mechanism 5, the stud internal clamping mechanism 5 is a non-circular column, and the stud internal clamping mechanism 5 is made into a micro-elliptic threaded column 22 in the embodiment; the micro-elliptic threaded column 22 is characterized in that the original circular external thread 4 on the stud 1 is directly made into an elliptic external thread, so that the elliptic major axis of the elliptic external thread is equal to the crest diameter of the circular external thread, the elliptic minor axis of the elliptic external thread is larger than the root diameter of the circular external thread, and the root diameter of the elliptic external thread is the same as the root diameter of the circular external thread; i.e. the thread of the two symmetrical flanks of the original external thread 4 is slightly flattened.
The cylinder body of the nut 2 is divided into two parts, namely a screwing part 6 positioned at the inner end cylinder body and a clamping part 7 positioned at the outer end cylinder body, wherein the inner surface of the screwing part 6 is provided with an internal thread 8, and the internal thread 8 is matched with the external thread 4 on the stud 1, so that the nut 2 and the stud 1 can be mutually screwed and fastened; the inner ring wall of the clamping part 7 is provided with a nut outer clamping mechanism 9, and the nut outer clamping mechanism 9 comprises a clamp spring ring groove 10, a clamp spring buckle 11 and a buckle cylinder 12 which are sequentially and directly generated on the outer side of the screwing part 6; the clamp spring ring groove 10 is formed by sequentially connecting a lower groove ring wall, a groove bottom ring wall and an upper groove ring wall, the lower groove ring wall is directly generated on an inner layer cylinder body serving as a screwing part 6, and the inner diameter of the lower groove ring wall is equal to the crest diameter of an internal thread of the screwing part 6; the inner diameter of the ring wall of the groove bottom is larger than the crest diameter of the internal thread of the screwing part 6, and the inner diameter of the ring wall of the upper groove is larger than the inner diameter of the ring wall of the lower groove and smaller than the inner diameter of the ring wall of the groove bottom; the clamp spring ring buckle 11 is directly formed on the upper groove annular wall, and the inner diameter of the clamp spring ring buckle is equal to that of the upper groove annular wall; the snap ring cylinder 12 is directly formed on the snap ring 11 and has an inner diameter larger than that of the snap ring 11.
The retention retainer ring 3 is a cylindrical structure and comprises a double-sided locking ring 13 and an anti-falling retainer ring 14; the anti-disengaging snap ring 14 is a circular ring-shaped structure body, the anti-disengaging snap ring 14 is fixedly connected with the double-sided locking ring 13 through two symmetrical connecting arms 15, a vertical straight line passing through the circle center is drawn on the connecting line of the two connecting arms 15 passing through the circle center on the anti-disengaging snap ring 14, a clamping hook 16 is directly generated on the outer side wall of the anti-disengaging snap ring 14 at two intersection points of the vertical straight line and the anti-disengaging snap ring 14, and a first inclined insertion wall 17 is arranged on one side, away from the double-sided locking ring 13, of the clamping hook 16.
The double-sided locking ring 13 is a cylindrical structure, the inner annular wall of the cylindrical structure is non-cylindrical and forms a stud outer clamping mechanism 18, and the outer annular wall of the cylindrical structure is cylindrical and forms a nut inner clamping mechanism 19; the binding surfaces of the stud outer clamping mechanism 18 and the stud inner clamping mechanism 5 are matched with each other so as to be clamped mutually; in the embodiment, the non-circular cylindrical inner surface of the stud outer clamping mechanism 18 is made into a micro-oval cylinder 23, and the micro-oval cylinder 23 and the micro-oval threaded column 22 are matched with each other and can be sleeved and clamped with each other.
The joint surfaces of the nut outer clamping mechanism 9 and the nut inner clamping mechanism 19 are matched with each other so as to be clamped mutually, a plurality of nut clamping pins 20 are arranged on the circular cylindrical outer surface of the nut inner clamping mechanism 19, and a second inclined insertion wall 21 is arranged on the nut clamping pins 20 at a position close to the anti-falling clamping ring 14; the nut gripping pins 20 are evenly distributed on the outer surface of the double-sided locking ring 13.
Example 2.
As shown in fig. 2, on the basis of embodiment 1, the anti-release snap ring 14 and the connecting arm 15 are directly changed into an anti-release hook 24, that is, the retention clip 3 includes a double-sided locking ring 13 and a plurality of anti-release hooks 24, the anti-release hook 24 includes a connecting rod 25 and a hook 16 which are directly connected, and a first inclined insertion wall 17 is arranged on one side of the hook 16 away from the double-sided locking ring 13; the anti-dropping hooks 24 are uniformly distributed in a ring shape and directly formed on the ring-shaped end surface on one side of the double-sided locking ring 13.
Furthermore, a nut seal assembling and disassembling ring 26 is directly formed at the outer end of the double-sided locking ring 13, and the outer diameter of the nut seal assembling and disassembling ring 26 is larger than that of the nut clamping part 7; a stud sealing cap 27 is also directly formed on the outer side of the nut sealing and assembling ring 26; a rubber gasket 28 is arranged between the nut clamping part 7 and the nut seal assembling and disassembling ring 26.
When the double-screw bolt sealing cap is used, the double-screw bolt 1 penetrates through a fastened piece, the nut 2 is screwed on the double-screw bolt 1, the screwing part 6 abuts against the fastened piece, the anti-falling clamping ring 14 or the anti-falling clamping hook 24 on the retention clamping ring 3 is aligned with a gap between the clamping part 7 and the micro-oval threaded column 22 and is inserted until the double-sided locking ring 13 is also inserted between the clamping part 7 and the micro-oval threaded column 22, then the double-screw bolt sealing cap 27 is struck by external force, the clamping hook 16 on the anti-falling clamping ring 14 is further inserted into the clamping ring groove 10, the clamping ring 11 is used for clamping the clamping hook, and the nut clamping pin 20 is embedded into the inner ring wall of the clamping ring barrel 12 of the clamping part 7, at the moment, the retention clamping ring 3 can clamp the nut 2 and the double-screw bolt 1 mutually, so that the double-screw bolt cannot rotate and cannot be loosened generally.
Claims (9)
1. A clamping type anti-loosening fastening assembly comprises a stud and a nut and is characterized by further comprising a retention retainer ring;
the stud is provided with an external thread, and the stud and the external thread thereof are provided with a stud internal clamping mechanism which is a non-circular column;
the cylinder body of the nut is divided into two parts, namely a screwing part positioned at the inner end of the cylinder body and a clamping part positioned at the outer end of the cylinder body, wherein the inner surface of the screwing part is provided with internal threads which are matched with the external threads on the stud; the nut outer clamping mechanism comprises a clamp spring ring groove, a clamp spring buckle and a buckle ring barrel which are sequentially and directly formed on the outer side of the screwing part; the clamp spring ring groove is formed by sequentially connecting a lower groove ring wall, a groove bottom ring wall and an upper groove ring wall, the lower groove ring wall is directly generated on an inner layer cylinder body serving as a screwing part, and the inner diameter of the lower groove ring wall is equal to the crest diameter of an internal thread of the screwing part; the inner diameter of the ring wall of the groove bottom is larger than the crest diameter of the internal thread of the screwing part, and the inner diameter of the ring wall of the upper groove is larger than the inner diameter of the ring wall of the lower groove and smaller than the inner diameter of the ring wall of the groove bottom; the clamp spring ring fastener is directly formed on the upper groove annular wall, and the inner diameter of the clamp spring ring fastener is equal to that of the upper groove annular wall; the snap ring barrel is directly formed on the clamp spring buckle, and the inner diameter of the snap ring barrel is larger than that of the clamp spring buckle;
the retention retainer ring is a cylindrical structure body and comprises a double-sided locking ring and an anti-falling retainer ring; the anti-drop clamp ring is a circular structural body and is fixedly connected with the double-sided locking ring through two symmetrical connecting arms, a vertical straight line passing through the circle center is drawn on a connecting line of the two connecting arms passing through the circle center on the anti-drop clamp ring, a clamping hook is directly generated on the outer side wall of the anti-drop clamp ring at the position of two intersection points of the vertical straight line and the anti-drop clamp ring, and a first inclined insertion wall is arranged on one side, far away from the double-sided locking ring, of the clamping hook;
the double-sided locking ring is a cylindrical structure, the inner ring wall of the cylindrical structure is non-cylindrical and forms a stud outer clamping mechanism, and the outer ring wall of the cylindrical structure is cylindrical and forms a nut inner clamping mechanism; the binding surfaces of the stud outer clamping mechanism and the stud inner clamping mechanism are matched with each other;
the binding surfaces of the nut outer clamping mechanism and the nut inner clamping mechanism are matched with each other; and a plurality of nut clamping pins are arranged on the outer surface of the circular cylinder of the nut inner clamping mechanism, and a second inclined insertion wall is arranged on the positions, close to the anti-falling clamping rings, on the nut clamping pins.
2. The clamping type anti-loosening fastening assembly according to claim 1, wherein the stud inner clamping mechanism is a micro-elliptical threaded column, the micro-elliptical threaded column directly makes an original circular external thread on the stud into an elliptical external thread, so that an elliptical major axis of the elliptical external thread is equal to a crest diameter of the circular external thread, an elliptical minor axis of the elliptical external thread is larger than a root diameter of the circular external thread, and the root diameter of the elliptical external thread is the same as the root diameter of the circular external thread;
the stud external clamping mechanism is a micro-oval cylinder, and the micro-oval cylinder is matched with the micro-oval threaded column.
3. The clamp-on anti-release fastener assembly according to claim 2, wherein the retaining collar comprises a double-sided locking ring and a plurality of anti-release hooks, the anti-release hooks comprising a connecting rod and a hook directly connected to each other, the hook having a first slanted insertion wall on a side thereof away from the double-sided locking ring.
4. The clip-on anti-loose fastening assembly according to claim 3, wherein the plurality of anti-loose hooks are uniformly distributed in a ring shape and directly formed on the annular end surface of one side of the double-sided locking ring.
5. The clamp-on anti-release fastener assembly according to claim 2 or 4, wherein the nut gripping pins are evenly distributed on the outer surface of the double-sided locking ring.
6. The clamp-on anti-release fastening assembly according to claim 5, wherein a nut seal mounting ring is directly formed at the outer end of the double-sided locking ring, and the outer diameter of the nut seal mounting ring is larger than that of the nut clamping portion.
7. The clamp-on anti-release fastener assembly according to claim 6, wherein a stud sealing cap is directly formed on the outer side of the nut seal mounting ring.
8. The clamp-on release-resistant fastener assembly according to claim 7, wherein a rubber gasket is further disposed between the nut-fastening portion and the nut seal-mounting ring.
9. The clamp-on anti-loosening fastening assembly according to claim 8, wherein the studs are all micro-oval threaded posts throughout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023074464.7U CN214007736U (en) | 2020-12-19 | 2020-12-19 | Clamping type anti-loosening fastening assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023074464.7U CN214007736U (en) | 2020-12-19 | 2020-12-19 | Clamping type anti-loosening fastening assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214007736U true CN214007736U (en) | 2021-08-20 |
Family
ID=77312437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023074464.7U Active CN214007736U (en) | 2020-12-19 | 2020-12-19 | Clamping type anti-loosening fastening assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214007736U (en) |
-
2020
- 2020-12-19 CN CN202023074464.7U patent/CN214007736U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110566565A (en) | anti-loosening mechanism for robot installation | |
| CN212177633U (en) | Anti-loosening combined bolt | |
| CN210178729U (en) | Bolt and nut assembly capable of preventing loosening | |
| CN214007736U (en) | Clamping type anti-loosening fastening assembly | |
| AU648891B2 (en) | Fastener with differentially inclined axes | |
| CN213628431U (en) | Clamping spring type anti-loosening fastening assembly | |
| CN100376811C (en) | Method of locking fastening device with screw thread and equipment | |
| CN210484360U (en) | Never-loosening screw assembly | |
| CN110219869A (en) | A kind of end bracing type unilateral bolt fastener | |
| CN217814470U (en) | Ratchet bolt and ratchet nut | |
| CN110848231A (en) | Anti-loosening connecting pair | |
| CN112943781A (en) | Flower card formula check bolt subassembly | |
| CN210265453U (en) | Locking device for bolt and nut | |
| CN114165510A (en) | Anti-theft self-locking integrated combined bolt fastener | |
| CN210218371U (en) | Combined lock nut | |
| CN214465492U (en) | Clamping ring holding type anti-loose fastening assembly | |
| CN220060213U (en) | Anti-loose fastening bolt set | |
| CN214661436U (en) | Flower card formula check bolt subassembly | |
| CN216399458U (en) | Novel sleeve for assembling fastener | |
| CN219282220U (en) | Fastener with high anti-loosening effect | |
| CN219605791U (en) | Bolt assembly with anti-loosening function | |
| CN205578476U (en) | Two fluting self -locking nuts | |
| CN212536399U (en) | Locking bolt nut subassembly that takes off | |
| CN111089109A (en) | Anti-loosening device | |
| CN213381286U (en) | Special tool for single-side connecting bolt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230831 Address after: No. 3001, Tianyu East Road, Weixian Economic Development Zone, Handan City, Hebei Province 056800 Patentee after: Hebei CRRC Luxing Anti-locking Technology Co.,Ltd. Address before: 409900 Chongqing Xiushan Tujia and Miao Autonomous County Industrial Park small and medium sized Enterprise Incubation Park with a warehouse next to Du Chuang Technology Co.,Ltd. Patentee before: Liu Qichao |
|
| TR01 | Transfer of patent right |