CN220435224U - Combined locknut - Google Patents

Combined locknut Download PDF

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Publication number
CN220435224U
CN220435224U CN202322174307.0U CN202322174307U CN220435224U CN 220435224 U CN220435224 U CN 220435224U CN 202322174307 U CN202322174307 U CN 202322174307U CN 220435224 U CN220435224 U CN 220435224U
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China
Prior art keywords
locking
stop
hexagonal bolt
close
bolt
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Active
Application number
CN202322174307.0U
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Chinese (zh)
Inventor
李凤山
秦秀林
韩伟杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebi High Strength Fastener Co ltd
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Hebi High Strength Fastener Co ltd
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Priority to CN202322174307.0U priority Critical patent/CN220435224U/en
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Abstract

The utility model discloses a combined locknut, which relates to the technical field of locknuts and comprises a hexagon bolt, wherein a workpiece is sleeved on the right side of the hexagon bolt, which is close to a bolt head, a left-handed nut is connected to the right side of the hexagon bolt, which is close to the workpiece, a stop device is arranged on the right side of the hexagon bolt, which is close to the left-handed nut, a locking piece is connected to one end of the hexagon bolt, which is close to the tail of a screw, in a threaded manner, a locking device is arranged on the left side of the hexagon bolt, which is close to the locking piece, the locking piece is sleeved into the hexagon bolt, the locking piece is contacted with the right-handed nut in a threaded manner, a cylindrical sliding block fixedly connected with the locking piece is inserted into a clamping groove, and the locking piece is rotated to enable a cylindrical locking clamping block fixedly connected with the cylindrical sliding block to enter the clamping groove.

Description

Combined locknut
Technical Field
The utility model relates to the technical field of locknuts, in particular to a combined locknut.
Background
The nut is a part which is screwed together with a bolt or a screw rod to fasten a workpiece, the nut and the bolt are mechanical fixing parts which are widely applied, the nut and the bolt are elements which are required to be used by all production machines, the locknut is a common fastening locknut which comprises mechanical locknut, riveting locknut, friction locknut, structural locknut and the like, the locknut which is subjected to locknut treatment is called lockscrew, is most suitable for being applied to fastening of moving parts, is used on an aerospace aircraft at the earliest, is popularized to the U.S. automobile manufacturing industry at the later time, is widely applied to a plurality of industries such as 3C, bicycles, skating equipment, furniture, sports equipment, medical appliances and the like along with the maturity and the cost reduction of manufacturing technology, comprehensively replaces the traditional check washer, and fully shows the reliability of the locknut fastening locknut.
The existing locknut is used for a long time, the nut can be loosened due to vibration and other environments, equipment is disabled, safety accidents can be caused in severe cases, some workers can use thread glue or punching and the like to conduct anti-loosening treatment on the nut, appearance is affected, the disassembly is inconvenient to the user if the workers need to disassemble the nut in the later period, some workers can use traditional elastic gaskets to conduct anti-loosening treatment, and therefore, as time goes, when the elasticity of the elastic gaskets disappears, anti-loosening effect of the elastic gaskets disappears, and then a combined locknut is required to be put forward.
Disclosure of Invention
The utility model aims to provide a combined locknut which has a simple structure and a good anti-loosening effect, and solves the problems that after the existing locknut is used for a long time, the nut is loosened due to vibration and other environments, equipment is disabled, safety accidents are caused in serious cases, workers can use thread adhesives or punching and the like to carry out anti-loosening treatment on the nut, the appearance is affected, in addition, the disassembly is greatly inconvenient if the workers need to disassemble later, and the traditional elastic gasket is additionally arranged for anti-loosening treatment, so that as time goes on, the anti-loosening effect of the elastic gasket is lost when the elasticity of the elastic gasket is lost.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a combination formula locknut, including the hex bolts, its characterized in that: a workpiece is sleeved on the right side, close to the bolt head, of the hexagonal bolt;
the right side of the hexagonal bolt, which is close to the workpiece, is in threaded connection with a left-hand nut, and a stop device is arranged on the right side of the hexagonal bolt, which is close to the left-hand nut;
one end of the hexagon bolt, which is close to the tail of the screw rod, is connected with a locking piece in a threaded manner, and a locking device is arranged on the hexagon bolt, which is close to the left side of the locking piece.
Preferably, the stop device comprises a circular plate, the right surface of the left-handed nut is fixedly connected with the circular plate, a second circular through groove with the same diameter as the hexagonal bolt is formed in the center position of the circular plate, and a rectangular groove is formed in the outer surface of the circular plate;
the right side of being close to the plectane on the hexagonal bolt has cup jointed the limited slip, and the center of limited slip has offered the first circular logical groove that equals with hexagonal bolt diameter, and the left side surface top fixedly connected with stop plate of limited slip, the right side surface bottom fixedly connected with same stop plate of limited slip.
Preferably, a right-hand nut is connected to the hexagonal bolt close to the right side of the stop piece in a threaded manner, a stop toothed plate is fixedly connected to the left end of the right-hand nut, helical teeth are uniformly and fixedly installed on the outer surface of the stop toothed plate in the circumferential direction, and tooth grooves are formed between two adjacent helical teeth.
Wherein, two stop plates are matched with the rectangular groove and the tooth slot
Preferably, the locking device comprises two cylindrical sliding blocks, the left end of the locking piece is symmetrically and fixedly connected with the two cylindrical sliding blocks, and the opposite separation ends of the two cylindrical sliding blocks are fixedly connected with cylindrical locking clamping blocks.
Preferably, a round hole with the same diameter as the hexagonal bolt is formed in the center of the locking piece, a rubber ring is fixedly arranged on the inner surface of the round hole, and anti-loosening lugs are uniformly and fixedly arranged on the inner surface of the rubber ring.
Preferably, two clamping grooves are symmetrically formed on the right side of the right-handed nut, and two locking grooves are formed at the opposite ends of the inner surfaces of the two clamping grooves;
wherein, the two clamping grooves are matched with the two cylindrical sliding blocks, and the two locking grooves are matched with the two cylindrical locking clamping blocks;
wherein, two cylinder sliders all with the inside sliding connection of draw-in groove, two cylinder locking fixture blocks all with locking groove slip grafting.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the combined locknut, the locking device is arranged, after the hexagonal bolt penetrates into a fastened workpiece, the left-handed nut in threaded connection with the hexagonal bolt is rotated left, the workpiece is fixed by the left-handed nut, the locking piece is sleeved into the hexagonal bolt, one locking plate of the locking piece is embedded into the rectangular groove, the right-handed nut in threaded connection with the hexagonal bolt is rotated right, when the right-handed nut rotates to be attached to the locking piece, the locking plate is inserted into a tooth groove of the locking toothed plate fixedly connected with the right-handed nut, the rotation of the left-handed nut can be effectively prevented by increasing the axial friction force, the stability of the fastened workpiece is further guaranteed, the fact that the elasticity of the elastic gasket disappears to enable the locking to be unreliable is avoided, and the reliability of the device is improved.
(2) This modular locknut, through setting up locking device, at first embolia the hexagon bolt with the retaining member, retaining member contact and hexagon bolt threaded connection right-hand nut, and then will insert the draw-in groove with retaining member fixed connection's cylindrical slider, rotate the retaining member make with cylindrical slider fixed connection's cylindrical locking fixture block get into the draw-in groove in the draw-in groove, because rubber circle and locking lug's effect has increased the frictional force of retaining member and hexagon bolt, thereby make the retaining member firm embolia on the hexagon bolt, avoided leading the nut pine because of vibrations, and dismantle easily, be convenient for provide convenience to later stage dismantlement work, the result of use of device has been improved.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
fig. 3 is an enlarged schematic view of fig. 2 at a.
Reference numerals: 1. a locking member; 2. a rubber ring; 3. a locking lug; 4. a cylindrical slider; 5. a cylindrical locking clamping block; 6. a right-handed nut; 7. a clamping groove; 8. a stop toothed plate; 9. a stop plate; 10, a stop piece; 11. a first circular through groove; 12. a left-handed nut; 13. a circular plate; 14. rectangular grooves; 15. a second circular through groove; 16. a hexagonal bolt; 17. a locking groove; 18. a workpiece.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a new technical solution: a combination locknut comprising a hex bolt 16, characterized in that: a right side of the hexagonal bolt 16 near the bolt head is sleeved with a workpiece 18;
the hexagonal bolt 16 is in threaded connection with a left-hand nut 12 near the right side of the workpiece 18, and a stop device is arranged on the hexagonal bolt 16 near the right side of the left-hand nut 12;
one end of the hexagonal bolt 16, which is close to the tail of the screw rod, is in threaded connection with the locking piece 1, and a locking device is arranged on the hexagonal bolt 16, which is close to the left side of the locking piece 1.
Further, the stopping device comprises a circular plate 13, the circular plate 13 is fixedly connected to the right surface of the left-handed nut 12, a second circular through groove 15 with the same diameter as the hexagonal bolt 16 is formed in the center of the circular plate 13, and a rectangular groove 14 is formed in the position, away from the center of the circle, of the circular plate 13;
the right side of the hexagonal bolt 16, which is close to the circular plate 13, is sleeved with a stop plate 10, a first circular through groove 11 with the same diameter as the hexagonal bolt 16 is formed in the center of the stop plate 10, a stop plate 9 is fixedly connected to the top end of the left side surface of the stop plate 10, and the same stop plate 9 is fixedly connected to the bottom end of the right side surface of the stop plate 10.
Further, a right-hand nut 6 is in threaded connection with the right side of the hexagonal bolt 16, which is close to the stop piece 10, a stop toothed plate 8 is fixedly connected with the left end of the right-hand nut 6, helical teeth are uniformly and fixedly installed on the outer surface of the stop toothed plate 8 in a circumferential direction, and tooth grooves are formed between two adjacent helical teeth.
The two stop plates 9 are both matched with the rectangular groove 14 and the tooth slot, after the hexagonal bolt 16 penetrates into the fastened workpiece 18, the left-handed nut 12 in threaded connection with the hexagonal bolt 16 is rotated left, so that the left-handed nut 12 is fixed on the workpiece 18, the stop piece 10 is sleeved into the hexagonal bolt, one stop plate 9 of the stop piece 10 is embedded into the rectangular groove 14, the right-handed nut 6 in threaded connection with the hexagonal bolt 16 is rotated right, when the right-handed nut 6 is rotated to be in close contact with the stop piece 10, the stop plate 9 is inserted into the tooth slot of the stop tooth plate 8 fixedly connected with the right-handed nut 6, the rotation of the left-handed nut 12 can be effectively prevented by increasing the axial friction force, and the stability of the fastened workpiece 18 is further ensured.
Further, the locking device comprises two cylindrical sliding blocks 4, the left end of the locking piece 1 is symmetrically and fixedly connected with the two 4 cylindrical sliding blocks 4, and the opposite and separated ends of the two 4 cylindrical sliding blocks 4 are fixedly connected with cylindrical locking clamping blocks 5.
Further, two clamping grooves 7 are symmetrically formed on the right side of the right-handed nut 6, and two locking grooves 17 are formed at the opposite ends of the inner surfaces of the two clamping grooves 7;
wherein, two clamping grooves 7 are matched with two cylindrical sliding blocks 4, and locking grooves 17 are matched with two cylindrical locking clamping blocks;
wherein, two cylinder type sliders 4 all with the inside sliding connection of draw-in groove 7, two cylinder type locking fixture blocks 5 all with locking groove 17 slip grafting, at first embolia hexagon bolt 16 with retaining member 1, retaining member 1 contact and hexagon bolt 16 threaded connection right-handed nut 6, and then with retaining member 1 fixed connection's cylinder type slider 4 insert in draw-in groove 7, rotate retaining member 1 make with cylinder type slider 4 fixed connection's cylinder type locking fixture block 5 get into the locking groove 17 in the draw-in groove 7, owing to rubber circle 2 and locking lug 3's effect has increased retaining member 1 and hexagon bolt 16's frictional force, thereby make retaining member 1 firm embolia on the hexagon bolt 16, and dismantle easily, provide convenience to later stage dismantlement work.
Working principle: when the anti-loosening device is used, firstly, after the hexagonal bolt 16 penetrates into a fastened workpiece 18, the left-handed nut 12 which is in threaded connection with the hexagonal bolt 16 is rotated left, the workpiece 18 is fixed by the left-handed nut 12, then the stop piece 10 is sleeved into the hexagonal bolt, one stop plate 9 of the stop piece 10 is embedded into the rectangular groove 14, the right-handed nut 6 which is in threaded connection with the hexagonal bolt 16 is rotated right, when the right-handed nut 6 is rotated to be attached to the stop piece 10, the stop plate 9 is inserted into a tooth groove of the stop toothed plate 8 which is fixedly connected with the right-handed nut 6, the rotation of the left-handed nut 12 can be effectively prevented through increasing the axial friction force, the stability of the fastened workpiece 18 is further ensured, then the locking piece 1 is sleeved into the hexagonal bolt 16, the locking piece 1 is contacted with the hexagonal bolt 16 in a threaded connection with the right-handed nut 6, then the cylindrical sliding block 4 fixedly connected with the locking piece 1 is inserted into the clamping groove 7, and the cylindrical locking block 5 fixedly connected with the cylindrical sliding block 4 is rotated, when the right-handed nut 6 is rotated to be attached to the locking groove 17 in the hexagonal bolt 10, and the friction force between the rubber ring 2 and the hexagonal block 3 and the hexagonal bolt 16 is increased, the effect of the anti-loosening device is improved, and the anti-loosening device is convenient to detach after the anti-loosening device is used, and the friction device is convenient to detach.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (6)

1. The utility model provides a combination formula locknut, includes hexagon bolt (16), and hexagon bolt (16) have bolt head and screw rod to constitute, its characterized in that: a workpiece (18) is sleeved on the right side, close to the bolt head, of the hexagonal bolt (16);
the right side of the hexagonal bolt (16), which is close to the workpiece (18), is in threaded connection with a left-hand nut (12), and a stop device is arranged on the hexagonal bolt (16), which is close to the right side of the left-hand nut (12);
one end of the hexagonal bolt (16) close to the tail of the screw rod is in threaded connection with a locking piece (1), and a locking device is arranged on the hexagonal bolt (16) close to the left side of the locking piece (1).
2. A combination locknut as defined in claim 1, wherein: the stop device comprises a circular plate (13), the circular plate (13) is fixedly connected to the right surface of the left-handed nut (12), a second circular through groove (15) with the same diameter as that of the hexagonal bolt (16) is formed in the center of the circular plate (13), and a rectangular groove (14) is formed in the outer surface of the circular plate (13);
the right side, close to the circular plate (13), of the hexagonal bolt (16) is sleeved with a stop piece (10), a first circular through groove (11) with the same diameter as the hexagonal bolt (16) is formed in the center of the stop piece (10), a stop plate (9) is fixedly connected to the top end of the left side surface of the stop piece (10), and the same stop plate (9) is fixedly connected to the bottom end of the right side surface of the stop piece (10).
3. A combination locknut as defined in claim 2, wherein: the right side of the hexagonal bolt (16) close to the stop piece (10) is in threaded connection with a right-hand nut (6), the left end of the right-hand nut (6) is fixedly connected with a stop toothed plate (8), inclined teeth are uniformly and fixedly arranged on the outer surface of the stop toothed plate (8) in a circumferential direction, and tooth grooves are formed between two adjacent inclined teeth;
wherein, two stop plates (9) are matched with the rectangular grooves (14) and tooth grooves.
4. A combination locknut as defined in claim 1, wherein: the locking device comprises two cylindrical sliding blocks (4), the left end of the locking piece (1) is symmetrically and fixedly connected with the two cylindrical sliding blocks (4), and the opposite and separated ends of the two cylindrical sliding blocks (4) are fixedly connected with cylindrical locking clamping blocks (5).
5. A combination locknut as defined in claim 1, wherein: the center position of the locking piece (1) is provided with a round hole with the same diameter as the hexagonal bolt (16), the inner surface of the round hole is fixedly provided with a rubber ring (2), and the inner surface of the rubber ring (2) is uniformly and fixedly provided with a locking lug (3).
6. A combination locknut as defined in claim 3, wherein: two clamping grooves (7) are symmetrically formed in the right side of the right-handed nut (6), and two locking grooves (17) are formed in the deviating ends of the inner surfaces of the two clamping grooves (7);
wherein, the two clamping grooves (7) are matched with the two cylindrical sliding blocks (4), and the two locking grooves (17) are matched with the two cylindrical locking clamping blocks (5);
wherein, two cylinder type sliders (4) all with draw-in groove (7) inside sliding connection, two cylinder type locking fixture blocks (5) all with locking groove (17) slip grafting.
CN202322174307.0U 2023-08-12 2023-08-12 Combined locknut Active CN220435224U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322174307.0U CN220435224U (en) 2023-08-12 2023-08-12 Combined locknut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322174307.0U CN220435224U (en) 2023-08-12 2023-08-12 Combined locknut

Publications (1)

Publication Number Publication Date
CN220435224U true CN220435224U (en) 2024-02-02

Family

ID=89685854

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322174307.0U Active CN220435224U (en) 2023-08-12 2023-08-12 Combined locknut

Country Status (1)

Country Link
CN (1) CN220435224U (en)

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