CN220168339U - Anti-loosening nut fastener - Google Patents

Abstract

The utility model discloses a locking nut fastener which comprises a bolt and a nut in threaded connection with the bolt, wherein an operation box is fixed on the outer wall of the nut, a connecting rod is connected inside the operation box through a driving mechanism, a clamping block penetrating through the nut is fixed on the outer wall of the connecting rod, a plurality of groups of clamping grooves which are vertically distributed are formed in the outer wall of the bolt, and the clamping block is matched with the clamping grooves. This locking nut fastener uses through setting up bolt, nut, connecting rod, fixture block and draw-in groove combination, and through connecting rod and fixture block back-and-forth movement, can drive the fixture block and insert inside the draw-in groove, the nut can carry out further locking with the bolt this moment, realizes restricting the rotatory effect of nut, reaches fine spacing effect, and this kind of mode is connected more stably, has promoted the stability of equipment.

Description

Anti-loosening nut fastener

Technical Field

The utility model relates to the technical field of nut fasteners, in particular to a locking nut fastener.

Background

Nuts are parts which are screwed together with bolts or screws to play a role in fastening, and all components which are required by production and manufacturing machinery are classified into carbon steel, stainless steel, nonferrous metals (such as copper) and the like according to different materials, and the nuts are generally matched with the bolts to be used as fasteners.

For example, chinese issued patent, publication No.: the bolt-nut fastener of CN201110368136.4 comprises a bolt and a nut, wherein the bolt is formed by connecting a bolt head and a screw rod, and a groove I is formed at the tail end of the screw rod of the bolt; the nut is provided with a groove II; after the groove I is aligned with the groove II, a pin block for preventing the nut from rotating is arranged in the groove I; the widths of the groove I and the groove II are equal; at least two grooves II are formed in the nut.

The fastener is inserted into the bottom of the screw rod through the pin block and is inserted through the two notches, so that the purpose of limiting the rotation of the nut is achieved, however, a notch is necessarily formed in the bottom of the screw rod, the notch can accommodate the pin block to enter, and meanwhile, the pin block can be accommodated to be separated, so that the stability of the fastener is low, the pin block is easy to fall off during use, and the problem of sliding between the bolt and the nut is easy to cause.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the anti-loosening nut fastener, the bolt, the nut, the connecting rod, the clamping block and the clamping groove are combined for use, the clamping block can be driven to be inserted into the clamping groove by the front and back movement of the connecting rod and the clamping block, the nut can be further locked with the bolt at the moment, the effect of limiting the rotation of the nut is realized, the good limiting effect is achieved, the connection in the mode is more stable, the stability of equipment is improved, and the like, and the problems proposed by the background art are solved.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-loosening nut fastener comprises a bolt and a nut in threaded connection with the bolt, an operation box is fixed on the outer wall of the nut, a connecting rod is connected inside the operation box through a driving mechanism, a clamping block penetrating through the nut is fixed on the outer wall of the connecting rod, a plurality of groups of clamping grooves which are vertically distributed are formed in the outer wall of the bolt, and the clamping blocks are mutually matched with the clamping grooves.

Preferably, the driving mechanism comprises rack plates and holes, one end of the connecting rod, far away from the clamping block, is fixedly provided with the rack plates, the inner wall of the operation box is provided with the holes corresponding to the rack plates, and the rack plates are connected to the inner wall of the operation box in a sliding manner.

Preferably, a guide rod is fixed on the inner wall of the operation box, and the guide rod is inserted into the rack plate.

Preferably, a return spring is wound on the outer wall of the guide rod, and the rack plate is connected with the inner wall of the operation box through the return spring.

Preferably, the inner wall of the operation box is rotatably connected with a rotary rod, and the outer wall of the rotary rod is fixedly provided with a rotary gear meshed with the rack plate.

Preferably, the top end of the rotating rod extends out of the operation box, and a handle is fixed to the top of the rotating rod.

(III) beneficial effects

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

1. through setting up bolt, nut, connecting rod, fixture block and draw-in groove and use in combination, through connecting rod and fixture block back-and-forth movement, can drive the fixture block and insert inside the draw-in groove, the nut can carry out further locking with the bolt this moment, realizes restricting the rotatory effect of nut, reaches fine spacing effect, and this kind of mode is connected more stably, has promoted the stability of equipment.

2. Through setting up actuating mechanism, can make rack board slide on the guide arm under reset spring's elastic action to drive and rotate the gear rotation, drive connecting rod and fixture block and resume initial condition, guarantee that the fixture block can be stable insert inside the draw-in groove, this kind of mode can ensure that the fixture block is difficult for taking place to drop, and the fastness is stronger.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the internal structure of the operation box of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a latch and a slot according to the present utility model.

In the figure: 1. a bolt; 2. a nut; 311. a connecting rod; 312. a clamping block; 313. a clamping groove; 411. an operation box; 412. a guide rod; 413. rack plate; 414. a hole; 415. a return spring; 416. rotating the gear; 417. a rotating rod; 418. a handle.

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.

Examples

Referring to fig. 1-4, the anti-loose nut fastener comprises a bolt 1 and a nut 2 in threaded connection with the bolt 1, an operation box 411 is fixed on the outer wall of the nut 2, a connecting rod 311 is connected in the operation box 411 through a driving mechanism, a clamping block 312 penetrating through the nut 2 is fixed on the outer wall of the connecting rod 311, a plurality of groups of clamping grooves 313 are formed on the outer wall of the bolt 1 in a vertical distribution manner, the clamping block 312 is matched with the clamping grooves 313, the driving mechanism can drive the connecting rod 311 and the clamping block 312 to move forwards and backwards, the clamping block 312 is inserted into or separated from the clamping grooves 313, a good limiting purpose is achieved, when the clamping block 312 is inserted into the clamping grooves 313, the nut 2 can be limited to rotate relative to the bolt 1, and further the problem that the bolt 1 and the nut 2 are loose and fall off is avoided,

the actuating mechanism includes rack board 413 and hole 414, the one end that fixture block 312 was kept away from to connecting rod 311 is fixed with rack board 413, hole 414 corresponding with rack board 413 has been seted up to operation box 411 inner wall, rack board 413 sliding connection is in operation box 411 inner wall, operation box 411 inner wall is fixed with guide bar 412, guide bar 412 inserts inside rack board 413, rack board 413 can slide on guide bar 412 outer wall, thereby reach fine stability, and the inside guide hole of guide bar 412 and rack board 413 all is the rectangle, rectangular corner can contradict, thereby avoid rack board 413 to take place rotatory problem, reach better stability. The guide rod 412 outer wall winding has reset spring 415, and rack plate 413 passes through reset spring 415 and is connected with operation box 411 inner wall, sets up reset spring 415 and can play elasticity reset effect, and when rack plate 413 slides at guide rod 412 outer wall, can drive reset spring 415 and stretch out and draw back, can drive rack plate 413, connecting rod 311 and fixture block 312 resilience all the time, ensures that fixture block 312 can insert inside draw-in groove 313, reaches spacing purpose. The inner wall of the operation box 411 is rotationally connected with a rotary rod 417, the outer wall of the rotary rod 417 is fixed with a rotary gear 416 meshed with the rack plate 413, the rotary rod 417 can drive the rotary gear 416 to rotate, the outer wall of the rotary gear 416 is meshed with the rack plate 413, so that two groups of rack plates 413 are driven to move in opposite directions, and further, the front clamping block 312 and the rear clamping block 312 can synchronously move in opposite directions or are separated from each other, and the limiting purpose is achieved. The top of the rotating rod 417 extends out of the operating box 411, a handle 418 is fixed at the top of the rotating rod 417, and the handle 418 is arranged to facilitate the rotation of the rotating rod 417, so that the operation is simple.

Working principle: when the clamp block 312 is required to be used, the rotating rod 417 and the rotating gear 416 can be driven to rotate by rotating the handle 418, the rotating gear 416 can drive the rack plates 413 to move away from each other, the rack plates 413 are driven to slide on the outer wall of the guide rod 412, the reset spring 415 is stretched, the clamp block 312 and the connecting rod 311 are driven to move away from one side of the nut 2, then the clamp block 312 and the connecting rod 311 are connected with each other through threads of the bolt 1 and the nut 2, and objects can be fastened and fixed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Anti-loosening nut fastener, including bolt (1) and nut (2) of bolt (1) threaded connection, its characterized in that: the nut (2) outer wall is fixed with operation box (411), the inside connecting rod (311) that is connected with through actuating mechanism of operation box (411), connecting rod (311) outer wall is fixed with fixture block (312) that run through nut (2), a plurality of groups draw-in groove (313) of vertical distribution have been seted up to bolt (1) outer wall, fixture block (312) with draw-in groove (313) mutually support.

2. The locknut fastener as claimed in claim 1, wherein: the driving mechanism comprises a rack plate (413) and holes (414), the rack plate (413) is fixed at one end, far away from the clamping block (312), of the connecting rod (311), holes (414) corresponding to the rack plate (413) are formed in the inner wall of the operation box (411), and the rack plate (413) is connected to the inner wall of the operation box (411) in a sliding mode.

3. The locknut fastener as claimed in claim 2, wherein: the inner wall of the operation box (411) is fixed with a guide rod (412), and the guide rod (412) is inserted into the rack plate (413).

4. A locknut fastener as claimed in claim 3, wherein: the outer wall of the guide rod (412) is wound with a return spring (415), and the rack plate (413) is connected with the inner wall of the operation box (411) through the return spring (415).

5. The locknut fastener as claimed in claim 4, wherein: the inner wall of the operation box (411) is rotatably connected with a rotating rod (417), and the outer wall of the rotating rod (417) is fixed with a rotating gear (416) meshed with the rack plate (413).

6. The locknut fastener as claimed in claim 5, wherein: the top end of the rotating rod (417) extends out of the operation box (411), and a handle (418) is fixed at the top of the rotating rod (417).