CN218468037U

CN218468037U - Anti-rotation self-locking check thread fastener

Info

Publication number: CN218468037U
Application number: CN202222649898.8U
Authority: CN
Inventors: 余华军
Original assignee: Dongguan Sanjing Precision Hardware Co ltd
Current assignee: Dongguan Sanjing Precision Hardware Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-10
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a derotation auto-lock locking threaded fastener, the screw cap comprises a nut, the upper end swing joint of nut has connecting device, the lower extreme fixedly connected with fixing device of nut, fixing device's surface upper portion threaded connection has locking device, equal fixedly connected with a plurality of inserted bar all around locking device's upper end, open No. one the circular slot in the upper end of nut, the draw-in groove has all been opened with right cell wall middle part in the left cell wall middle part of a circular slot, open No. one the lower cell wall middle part of circular slot has the butt joint groove, open No. one the lower cell wall of circular slot has a plurality of butt joint hole, equal swing joint has a plurality of inserted bar all around locking device's upper end. A locking threaded fastener of derotation auto-lock, through setting up fixing device, locking device and connecting device, structural design is reasonable, and then can avoid this fastener to take place loose phenomenon, and install and remove the simple easy operation of process, the security when this fastener of effectual improvement uses.

Description

Anti-rotation self-locking check thread fastener

Technical Field

The utility model relates to a threaded fastener technical field, in particular to derotation auto-lock check threaded fastener.

Background

The threaded connection is a detachable fixed connection which is widely used, and has the advantages of simple structure, reliable connection, convenient assembly and disassembly and the like, and the threaded fastener is almost used on all mechanical equipment, so the threaded connection technology is one of the most important technologies for ensuring the reliability of a mechanical system, and 1, the existing threaded fastener can be loosened through vibration, rotation and the like when in use, so the safety of the threaded fastener is not high, and certain potential safety hazards exist; 2. the existing threaded fastener adopts a gluing mode in order to prevent loosening, so that gluing is inconvenient to apply to a part needing to be repeatedly disassembled, and a certain glue solution drying period is needed after gluing, so that the use of a product is influenced; therefore, a reverse-rotation self-locking anti-loose threaded fastener is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a counter-rotating auto-lock locking threaded fastener can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a counter-rotating auto-lock locking threaded fastener, includes the nut, the upper end swing joint of nut has connecting device, the lower extreme fixedly connected with fixing device of nut, fixing device's surface upper portion threaded connection has locking device, equal fixedly connected with a plurality of inserted bar all around locking device's upper end, open the upper end of nut has a circular slot, the left cell wall middle part and the right cell wall middle part of a circular slot all opened the draw-in groove, open at the lower cell wall middle part of a circular slot has the butt joint groove, open the lower cell wall of a circular slot has a plurality of butt joint hole, equal swing joint has a plurality of inserted bar all around locking device's upper end.

Preferably, the fixing device comprises a screw body, a plurality of reverse spiral threads are carved on the upper portion of the outer surface of the screw body, a plurality of positive spiral threads are carved on the lower portion of the outer surface of the screw body, and the screw body is fixedly connected to the lower end of the screw cap.

Preferably, the anti-loosening device comprises a fixed block, a plurality of protective lines are carved on the outer surface of the fixed block, a plurality of jacks are formed in the periphery of the upper end of the fixed block, a screw groove is formed in the middle of the upper end of the fixed block, and the fixed block is in threaded connection with the upper portion of the outer surface of the screw body.

Preferably, connecting device includes the cover block, the lower extreme middle part fixedly connected with butt joint post of cover block, the surface left part and the equal fixedly connected with card strip in surface right part of cover block, cover block swing joint is in a circular slot.

Preferably, the position sizes of the plurality of jacks are matched with the position sizes of the plurality of insertion rods, and the jacks are in an annular array by taking the fixed block as the center.

Preferably, the position size of the two clamping strips is matched with the position size of the two clamping grooves, and the position size of the butt-joint column is matched with the position size of the butt-joint groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through the surface screw thread installation fixed block at the screw rod body, a plurality of inserted bar passes butt joint hole to jack in proper order, that is to say the screw rod body only can clockwise rotation, realizes the effect of fastening, and then can avoid this fastener to take place loose phenomenon, security when this fastener of effectual improvement uses.

2. The utility model discloses in, through taking out a plurality of inserted bar, anticlockwise rotation fixed block possesses the ability of dismantling repeatedly, avoids adopting the rubber coated mode to fix, and installs and removes the simple easy operation of process, possesses the quick operation stealthily matter.

Drawings

FIG. 1 is a schematic view of the overall structure of a reverse-rotation self-locking anti-loosening threaded fastener of the present invention;

FIG. 2 is a schematic view of the overall explosion structure of a reverse-rotation self-locking anti-loosening threaded fastener of the present invention;

FIG. 3 is a schematic view of the overall structure of the fastening device of the reverse-rotation self-locking anti-loosening threaded fastener of the present invention;

FIG. 4 is a schematic view of the overall structure of a locking device of a reverse-rotation self-locking threaded fastener of the present invention;

fig. 5 is a schematic view of the overall structure of the connecting device of the reverse-rotation self-locking anti-loose threaded fastener of the present invention.

In the figure: 1. a nut; 2. a rod is inserted; 3. a locking device; 4. a fixing device; 5. a connecting device; 6. a card slot; 7. a first circular groove; 8. a butt joint hole; 9. a butt joint groove; 41. reverse spiral grain; 42. a screw body; 43. a positive spiral; 31. a fixed block; 32. a protective pattern; 33. a spiral groove; 34. a jack; 51. a cover block; 52. butting the columns; 53. and (6) clamping the strip.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a derotation auto-lock check screw thread fastener, including nut 1, the upper end swing joint of nut 1 has connecting device 5, the lower extreme fixedly connected with fixing device 4 of nut 1, fixing device 4's surface upper portion threaded connection has locking device 3, equal fixedly connected with a plurality of inserted bar 2 all around locking device 3's upper end, open No. one circular slot 7 in nut 1's upper end, draw-in groove 6 has all been opened with right cell wall middle part in the middle part of the left cell wall of a circular slot 7, open at the lower cell wall middle part of a circular slot 7 has butt joint groove 9, open at the lower cell wall of a circular slot 7 has a plurality of butt joint hole 8, equal swing joint has a plurality of inserted bar 2 all around locking device 3's upper end.

In this embodiment, the fixing device 4 includes a screw body 42, a plurality of reverse spiral threads 41 are carved on the upper portion of the outer surface of the screw body 42, a plurality of forward spiral threads 43 are carved on the lower portion of the outer surface of the screw body 42, and the screw body 42 is fixedly connected to the lower end of the nut 1.

In this embodiment, the anti-loosening device 3 comprises a fixed block 31, a plurality of protective lines 32 are carved on the outer surface of the fixed block 31, a plurality of insertion holes 34 are formed around the upper end of the fixed block 31, a screw groove 33 is formed in the middle of the upper end of the fixed block 31, and the fixed block 31 is in threaded connection with the upper portion of the outer surface of the screw body 42; the position sizes of the plurality of insertion holes 34 are matched with the position sizes of the plurality of insertion rods 2, and the plurality of insertion holes 34 are in an annular array by taking the fixed block 31 as the center; the plurality of insertion rods 2 sequentially penetrate through the butt joint holes 8 to the insertion holes 34 through the position sizes of the insertion holes 34 and the position sizes of the plurality of insertion rods 2, stability between the fixing block 31 and the screw body 42 is further enhanced, and the plurality of insertion holes 34 are in an annular array by taking the fixing block 31 as a center, so that the plurality of insertion rods 2 are in the annular array.

In this embodiment, the connecting device 5 includes a cover block 51, the middle of the lower end of the cover block 51 is fixedly connected with a butting column 52, the left part and the right part of the outer surface of the cover block 51 are both fixedly connected with a clamping strip 53, and the cover block 51 is movably connected in the first circular groove 7; the position sizes of the two clamping strips 53 are matched with the position sizes of the two clamping grooves 6, and the position size of the butt joint column 52 is matched with the position size of the butt joint groove 9; the two clamping strips 53 are arranged in the two clamping grooves 6 by matching the position sizes of the two clamping strips 53 with the position sizes of the two clamping grooves 6, and the butting columns 52 are arranged in the butting grooves 9 by matching the position sizes of the butting columns 52 with the position sizes of the butting grooves 9.

It should be noted that, the utility model relates to a contrary locking screw fastener of revolve auto-lock, in the use, the lower extreme fixed mounting screw rod body 42 of nut 1, the surface of contrary spiral line 41 sets up contrary spiral line 41 and positive spiral line 43 respectively, the surface screw thread installation fixed block 31 of screw rod body 42, because the position size of a plurality of jack 34 and the position size looks adaptation of a plurality of inserted bar 2, make its a plurality of inserted bar 2 pass in proper order and connect 8 to jack 34 in, that is to say, screw rod body 42 only can clockwise rotation, realize the effect of fastening, and then can avoid this fastener to take place loose phenomenon, the security when this fastener of effectual improvement uses, when screw rod body 42 is dismantled to needs, take out a plurality of inserted bar 2, anticlockwise rotation fixed block 31, possess the ability of dismantling repeatedly, and install and remove the simple easy operation of process, possess the quick operation potential quality, because the position size of two calorie strips 53 and the position size looks adaptation of two draw-in grooves 6, make its two calorie strips 53 install in two draw-in grooves 6, because the position size of butt joint post 52 and the butt joint groove 9, thereby make the self-lock screw fastener in the butt joint post looks adaptation simple use of one-lock face 52, thereby it is favorable to have a whole locking screw structure, it to have a smooth adaptation degree of a butt joint, it, make the self-lock face 52, it is favorable to have a smooth structure.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a locking threaded fastener of derotation auto-lock, includes nut (1), its characterized in that: the utility model discloses a nut (7) and its production method, including nut (1), the upper end swing joint of nut (1) has connecting device (5), the lower extreme fixedly connected with fixing device (4) of nut (1), the surface upper portion threaded connection of fixing device (4) has locking device (3), equal fixedly connected with a plurality of inserted bar (2) all around the upper end of locking device (3), open the upper end of nut (1) has circular slot (7) No. one, draw-in groove (6) have all been opened at the left cell wall middle part and the right cell wall middle part of circular slot (7), open the lower cell wall middle part of circular slot (7) has butt joint groove (9), open the lower cell wall of circular slot (7) has a plurality of butt joint hole (8), equal swing joint has a plurality of inserted bar (2) all around the upper end of locking device (3).

2. A reverse rotation self-locking anti-loosening threaded fastener according to claim 1, characterized in that: fixing device (4) include screw rod body (42), be carved with a plurality of reverse spiral line (41) on the surface upper portion of screw rod body (42), the surface lower part of screw rod body (42) is carved with a plurality of positive spiral line (43), screw rod body (42) fixed connection is at the lower extreme of nut (1).

3. A reverse rotation self-locking anti-loosening threaded fastener according to claim 1, characterized in that: locking device (3) are including fixed block (31), a plurality of protection line (32) are carved with to the surface of fixed block (31), a plurality of jack (34) have all been opened all around to the upper end of fixed block (31), open the upper end middle part of fixed block (31) has spiral shell groove (33), fixed block (31) threaded connection is on the surface upper portion of screw rod body (42).

4. A reverse rotation self-locking anti-loosening threaded fastener according to claim 1, wherein: connecting device (5) are including cover piece (51), lower extreme middle part fixedly connected with butt joint post (52) of cover piece (51), the surface left part and the equal fixedly connected with card strip (53) in surface right part of cover piece (51), cover piece (51) swing joint is in circular slot (7) No. one.

5. A reverse rotation self-locking anti-loosening threaded fastener according to claim 3, wherein: the position size of a plurality of the jacks (34) is matched with the position size of a plurality of the inserted rods (2), and the jacks (34) are in an annular array by taking the fixed block (31) as the center.

6. The reverse-rotation self-locking anti-loose threaded fastener according to claim 4, characterized in that: the position sizes of the two clamping strips (53) are matched with the position sizes of the two clamping grooves (6), and the position size of the butt joint column (52) is matched with the position size of the butt joint groove (9).