Anti-loosening double-end stud
By designing anti-loosening components on the double-ended studs, and utilizing the magnetic connection of the retaining ring and spring, as well as the pressure ring structure, the problem of loosening of traditional double-ended studs in high-vibration environments is solved, achieving a stable and secure fastening effect for the studs.
Patent Information
- Application Number
- CN202520685226.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-12
- Publication Date
- 2026-03-24
- Estimated Expiration
- 2035-04-12
AI Technical Summary
Traditional double-ended studs are prone to loosening or falling off in high-vibration environments, resulting in poor fastening performance.
It employs anti-loosening components, including a retaining ring and spring design, to prevent studs from loosening through magnetic connection and pressure ring structure, and uses spring pressure to keep the threads tight.
It effectively prevents studs from loosening in high-vibration environments, ensuring stable fastening and preventing loosening or detachment.
Smart Images
Figure CN224032924U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fastener technical field especially relates to a kind of anti-loose stud. BACKGROUND
[0002] Stud is a kind of fastener with thread at both ends, usually a smooth rod without thread in the middle. Its design features make it have unique advantages in mechanical connection, especially suitable for scenarios that need to be frequently disassembled or installed in blind hole. It is widely used in the fields of power, valve, automobile and motorcycle accessories, machinery, etc.
[0003] Stud is widely used, and is used in various working environments. The traditional stud has poor anti-vibration effect. When the stud is in a high-vibration working environment, the stud will be subjected to vibration for a long time, which can cause the stud to loosen or even fall off, resulting in poor fastening effect. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of anti-loose stud to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an anti-loose stud, comprising a smooth rod, a stud A and a stud B fixedly arranged on the left and right sides of the smooth rod respectively, a loosening prevention assembly is arranged on the smooth rod, the loosening prevention assembly comprises a clamping ring A and a clamping ring B sleeved on the smooth rod, a connecting assembly, a spring A, a pressing ring fixedly arranged at one end of the spring A, and a plurality of sharp cones fixedly arranged on the pressing ring, the clamping ring A and the clamping ring B are located on the upper and lower sides of the smooth rod, the clamping ring A and the clamping ring B are detachably connected by the connecting assembly and are hexagonally arranged after connection, the clamping ring A and the clamping ring B are detachably connected with the smooth rod by the connecting assembly, ring grooves are formed on the left and right sides of the clamping ring A and the clamping ring B, the other end of the spring A is fixedly connected with the clamping ring A and the clamping ring B inside the ring grooves, and the pressing ring is located outside the ring grooves.
[0006] Preferably, the connecting assembly comprises a stud C fixedly arranged below the clamping ring A and a sleeve, a insertion hole A is formed on the smooth rod, an insertion hole B is formed on the clamping ring B, and the stud C is inserted into the insertion hole A and the insertion hole B and fixedly connected with the smooth rod and the clamping ring B by the sleeve.
[0007] Preferably, a magnetic ring is fixedly arranged at the other end of the spring A, the materials of the clamping ring A and the clamping ring B are both Q235 steel, and the magnetic ring is magnetically connected with the clamping ring A and the clamping ring B inside the ring grooves.
[0008] Preferably, a countersunk groove is formed on the outer wall of the clamping ring B and communicates with the insertion hole B, and the end of the stud C and the sleeve are both located inside the countersunk groove.
[0009] Preferably, the ring A is fixedly provided with a positioning column below, the ring B is provided with a positioning slot on the top wall, and the positioning column is inserted into the positioning slot and connected with the ring B.
[0010] Preferably, the anti-loosening assembly further comprises a pressing column, a stud D, and a convex ring fixedly arranged on the outer side of the pressing column, the stud B is provided with a screw hole communicated with the insertion hole A on the right side wall, the outer side wall of the polished rod is provided with an insertion hole C matched with the pressing column and communicated with the screw hole, the side wall of the insertion hole C is provided with a sliding slot matched with the convex ring, the pressing column and the convex ring are located in the insertion hole C and the sliding slot respectively, and the stud D is screwed into the screw hole and threadedly connected with the stud B.
[0011] Preferably, the anti-loosening assembly further comprises a spring B sleeved on the pressing column, the upper and lower ends of the spring B are fixedly connected with the top wall of the sliding slot and the convex ring respectively, the upper and lower ends of the pressing column are respectively provided with a sharp head and a round head, and the left end of the stud D is provided with a sharp head.
[0012] The utility model discloses the beneficial effect lies in: the utility model uses, and the ring A and the ring B are placed respectively on the upper and lower sides of the polished rod, and the stud C is inserted into the insertion hole A and the insertion hole B, and the screw is screwed into the stud C and is fixedly connected with the ring B and the stud C, so that the ring A and the ring B are fixed on the polished rod, and the ring A and the ring B are conveniently disassembled, and the ring A and the ring B are conveniently disassembled. BRIEF DESCRIPTION OF DRAWINGS
[0013] ATTACHED Figure 1 It is the structural schematic drawing of the utility model;
[0014] ATTACHED Figure 2 It is the explosion schematic drawing of the utility model;
[0015] ATTACHEDFigure 3 is a right view of the utility model;
[0016] attached Figure 4 is attached Figure 3 is a middle A-A section view.
[0017] In the figure: 1, polished rod; 2, stud A; 3, stud B; 4, embrace ring A; 5, embrace ring B; 6, spring A; 7, press ring; 8, sharp cone; 9, ring groove; 10, stud C; 11, screw sleeve; 12, insertion hole A; 13, insertion hole B; 14, magnetic ring; 15, counterbore groove; 16, positioning column; 17, positioning groove; 18, press column; 19, stud D; 20, convex ring; 21, screw hole; 22, insertion hole C; 23, sliding groove; 24, spring B. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0019] For example Figures 1-4The utility model discloses a kind of anti-loosening double-end studs, including polished rod 1, respectively fixedly arranged in polished rod 1 left and right two sides'stud A2 and stud B3, the polished rod 1 is equipped with anti-loosening component, the anti-loosening component includes the embracing ring A4 and embracing ring B5 of setting in polished rod 1, connecting component, spring A6, fixedly arranged in the pressing ring 7 of spring A6 one end, fixedly arranged in the several sharp cone 8 of pressing ring 7, the embracing ring A4 and embracing ring B5 are located polished rod 1 upper and lower two sides respectively, the embracing ring A4 is detachably connected with embracing ring B5 by connecting component and is hexagonally arranged after connection, the embracing ring A4 and embracing ring B5 are detachably connected with polished rod 1 by connecting component, the embracing ring A4 and embracing ring B5 are both provided with ring groove 9 left and right two sides, the other end of spring A6 is located inside ring groove 9 and is fixedly connected with embracing ring A4 and embracing ring B5, the pressing ring 7 is located outside ring groove 9.The utility model uses, will embracing ring A4 and embracing ring B5 be placed polished rod 1 upper and lower two sides respectively, stud C10 is inserted into insertion hole A12 and insertion hole B13, and stud C10 is fixedly connected with embracing ring B5 and stud C10 by rotating screw sleeve 11 into stud C10, so that embracing ring A4 and embracing ring B5 are tightly fixed on polished rod 1, play the role of facilitating disassembly and assembly embracing ring A4 and embracing ring B5;Since the embracing ring A4 and embracing ring B5 are hexagonally arranged after connection, play the role of facilitating rotation polished rod 1 to drive stud A2 and stud B3 to rotate;The other end of spring A6 is inserted into inside ring groove 9, so that magnetic ring 14 is magnetically connected with embracing ring A4 and embracing ring B5, play the role of facilitating disassembly and assembly spring A6;When stud A2 and stud B3 are fixed with parts, the pressing ring 7 will be pressed on the surface of part, and the sharp cone 8 will be embedded in the part, to prevent stud A2 and stud B3 from loosening;Spring A6 will exert pressure on stud A2 and stud B3, so that the threads of stud A2 and stud B3 are tightly pressed against the threads of the part, to further prevent stud A2 and stud B3 from loosening;When the parts installed by stud A2 and stud B3 need to be attached to each other, disassemble spring A6, embracing ring A4 and embracing ring B5, screw stud A2 into the part first, then screw stud D19 into the screw hole 21, and after stud D19 contacts with the pressing column 18, the pressing column 18 will be squeezed, so that the top end of the pressing column 18 is ejected from the insertion hole C22 and embedded in the part, to prevent stud A2 and stud B3 from loosening;In summary, the utility model has the beneficial effect of preventing stud A2 and stud B3 from loosening, and solves the problem that when the double-end stud is in a high-vibration working environment, it will be subjected to vibration for a long time, which can cause the double-end stud to loosen or even fall off, resulting in poor fastening effect.
[0020] Preferably, the connecting assembly comprises a stud C10 fixedly arranged below the embracing ring A4, a threaded sleeve 11, the light rod 1 is provided with a insertion hole A12, the embracing ring B5 is provided with an insertion hole B13, the stud C10 is inserted into the insertion hole A12 and the insertion hole B13 and fixedly connected with the light rod 1 and the embracing ring B5 through the threaded sleeve 11. Since the light rod 1 is provided with the insertion hole A12, the embracing ring B5 is provided with the insertion hole B13, the stud C10 is inserted into the insertion hole A12 and the insertion hole B13, the threaded sleeve 11 is screwed into the stud C10 and fixedly connected with the embracing ring B5 and the stud C10, the embracing ring A4 is fixedly connected with the embracing ring B5, and the embracing ring A4 and the embracing ring B5 are fixedly connected with the light rod 1, thereby facilitating disassembly and assembly of the embracing ring A4 and the embracing ring B5.
[0021] Preferably, the other end of the spring A6 is fixedly provided with a magnetic ring 14, the materials of the embracing ring A4 and the embracing ring B5 are Q235 steel, and the magnetic ring 14 is located inside the ring groove 9 and is magnetically connected with the embracing ring A4 and the embracing ring B5. Since the magnetic ring 14 is located inside the ring groove 9 and is magnetically connected with the embracing ring A4 and the embracing ring B5, the spring A6 is facilitated to be disassembled and assembled.
[0022] Preferably, the embracing ring B5 is provided with a countersunk groove 15 on the outer wall, the countersunk groove 15 is in communication with the insertion hole B13, and the end of the stud C10 and the threaded sleeve 11 are located inside the countersunk groove 15. Since the end of the stud C10 and the threaded sleeve 11 are located inside the countersunk groove 15, the end of the stud C10 and the threaded sleeve 11 are hidden, and the embracing ring A4 and the embracing ring B5 are facilitated to be screwed by using a wrench.
[0023] Preferably, the embracing ring A4 is fixedly provided with a positioning column 16 below, the embracing ring B5 is provided with a positioning groove 17 on the top wall, and the positioning column 16 is inserted into the positioning groove 17 and abuttingly connected with the embracing ring B5. Since the positioning column 16 is inserted into the positioning groove 17 and abuttingly connected with the embracing ring B5, the installation position of the embracing ring A4 is fixed, and the embracing ring A4 is prevented from being deviated after being installed.
[0024] Preferably, the anti-loosening assembly further comprises a pressing column 18, a stud D 19, a protruding ring 20 fixedly arranged outside the pressing column 18, a screw hole 21 formed in the right side wall of the stud B 3 and communicating with the insertion hole A 12, an insertion hole C 22 formed in the outer side wall of the polished rod 1 and communicating with the screw hole 21 and the pressing column 18, a sliding groove 23 formed in the side wall of the insertion hole C 22 and matched with the protruding ring 20, the pressing column 18 and the protruding ring 20 being arranged inside the insertion hole C 22 and the sliding groove 23 respectively, and the stud D 19 being screwed into the screw hole 21 and threadedly connected with the stud B 3. Since the pressing column 18 and the protruding ring 20 are arranged inside the insertion hole C 22 and the sliding groove 23 respectively, the pressing column 18 is prevented from sliding out of the insertion hole C 22. Since the screw hole 21 communicates with the insertion hole A 12, the insertion hole C 22 communicates with the screw hole 21, and the insertion groove is formed in the side wall of the insertion hole C 22, the stud D 19 is continuously screwed into the screw hole 21, and the left end of the stud D 19 is inserted into the sliding groove 23 after passing through the insertion hole A 12, so that the pressing column 18 is conveniently pushed out.
[0025] Preferably, the anti-loosening assembly further comprises a spring B 24 sleeved on the pressing column 18, the upper and lower ends of the spring B 24 being fixedly connected with the top wall of the sliding groove 23 and the protruding ring 20 respectively, the upper and lower ends of the pressing column 18 being a pointed end and a round end respectively, and the left end of the stud D 19 being a pointed end. Since the upper and lower ends of the spring B 24 are fixedly connected with the top wall of the sliding groove 23 and the protruding ring 20 respectively, the pressing column 18 is separated from the sliding groove 23 when the stud D 19 is unscrewed, and the spring B 24 can push the pressing column 18 back to the original position, so that the spring B 24 has the function of automatic reset. Since the upper and lower ends of the pressing column 18 are a pointed end and a round end respectively, and the left end of the stud D 19 is a pointed end, the pressing column 18 is conveniently pushed out of the embedded part by the stud D 19.
[0026] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A kind of anti-loose stud, including light pole (1), stud A (2) and stud B (3) respectively fixedly arranged in the left and right sides of light pole (1), it is characterized in that: The light rod (1) is provided with an anti-loose assembly, the anti-loose assembly comprises a holding ring A (4) and a holding ring B (5) sleeved on the light rod (1), a connecting assembly, a spring A (6), a pressing ring (7) fixedly arranged at one end of the spring A (6), and a plurality of sharp cones (8) fixedly arranged on the pressing ring (7), the holding ring A (4) and the holding ring B (5) are respectively located on the upper and lower sides of the light rod (1), the holding ring A (4) and the holding ring B (5) are detachably connected through the connecting assembly and are hexagonally arranged after being connected, the holding ring A (4) and the holding ring B (5) are detachably connected with the light rod (1) through the connecting assembly, ring grooves (9) are formed in the left and right sides of the holding ring A (4) and the holding ring B (5), the other end of the spring A (6) is located in the ring groove (9) and is fixedly connected with the holding ring A (4) and the holding ring B (5), and the pressing ring (7) is located outside the ring groove (9).
2. A captive double stud as claimed in claim 1, wherein: The connecting assembly comprises a stud C (10) fixedly arranged below the holding ring A (4) and a screw sleeve (11), the light rod (1) is provided with an insertion hole A (12), the holding ring B (5) is provided with an insertion hole B (13), and the stud C (10) is inserted into the insertion hole A (12) and the insertion hole B (13) and is fixedly connected with the light rod (1) and the holding ring B (5) through the screw sleeve (11).
3. A captive double stud as defined in claim 1, wherein: The other end of the spring A (6) is fixedly provided with a magnetic ring (14), the materials of the holding ring A (4) and the holding ring B (5) are Q235 steel, and the magnetic ring (14) is magnetically connected with the holding ring A (4) and the holding ring B (5) and is located in the ring groove (9).
4. A captive double stud as defined in claim 2, wherein: A countersunk groove (15) in communication with the insertion hole B (13) is formed in the outer side wall of the holding ring B (5), and the tail end of the stud C (10) and the screw sleeve (11) are located in the countersunk groove (15).
5. A captive double stud as defined in claim 2, wherein: A positioning column (16) is fixedly arranged below the holding ring A (4), a positioning groove (17) is formed in the top wall of the holding ring B (5), and the positioning column (16) is inserted into the positioning groove (17) and is in abutting connection with the holding ring B (5).
6. A captive double stud as defined in claim 1, wherein: The anti-loose assembly further comprises a pressing column (18), a stud D (19), and a convex ring (20) fixedly arranged on the outer side of the pressing column (18), a screw hole (21) in communication with the insertion hole A (12) is formed in the right side wall of the stud B (3), an insertion hole C (22) matched with the pressing column (18) and in communication with the screw hole (21) is formed in the outer side wall of the light rod (1), a sliding groove (23) matched with the convex ring (20) is formed in the side wall of the insertion hole C (22), and the pressing column (18) and the convex ring (20) are respectively located in the insertion hole C (22) and the sliding groove (23), and the stud D (19) is screwed into the screw hole (21) and is in threaded connection with the stud B (3).
7. A captive double stud as defined in claim 6, wherein: The anti-loose assembly further comprises a spring B (24) sleeved on the pressing column (18), the upper and lower ends of the spring B (24) are fixedly connected with the top wall of the sliding groove (23) and the convex ring (20) respectively, the upper and lower ends of the pressing column (18) are pointed and round respectively, and the left end of the stud D (19) is pointed.