CN219139602U - Lock nut convenient to use - Google Patents

Abstract

The utility model discloses a conveniently used locknut, which belongs to the technical field of locknuts and comprises a first connecting piece, a second connecting piece, a bolt and a nut body, wherein the bolt and the nut body are arranged at the upper end and the lower end of the first connecting piece and the second connecting piece, through holes are formed in the first connecting piece and the second connecting piece, a screw rod matched with the specifications of the through holes is fixedly connected to the upper end of the bolt, the nut body is in threaded connection with the outer end of the screw rod, the locknut is further in threaded connection with the outer end of the screw rod, a nut connecting ring is integrally formed at the upper end of the nut body, a nut positioning groove is formed at one end of the locknut, which is close to the nut body, and a limit groove is formed at the outer end of the nut connecting ring, so that the locknut can be effectively ensured, meanwhile, the operation difficulty of personnel in assembling and disassembling the locknut can be reduced, the recycling rate of the locknut can be improved, and the locknut has the advantages of environmental protection, energy conservation and economy.

Description

Lock nut convenient to use

Technical Field

The utility model relates to the technical field of locknuts, in particular to a locknut convenient to use.

Background

The prior anti-loosening method for the locknut mostly adopts friction anti-loosening or adhesion anti-loosening, and the friction anti-loosening generally adopts an elastic washer, a self-locking nut, an embedded locknut and the like, so that a positive pressure which does not change along with external force is generated between locknut pairs, and a friction force which can prevent the locknut pairs from rotating relatively is generated; the bonding anti-loosening agent is coated on the screwed surface of the thread usually by adopting an anaerobic adhesive, and the adhesive can be automatically solidified after the anti-loosening nut is screwed up, so that the anti-loosening effect is achieved.

The friction anti-loose type locknut has the defects that the friction anti-loose type locknut is inconvenient to disassemble after being installed, the recycling rate of the locknut is reduced, the bolt rod of the bolt of the friction anti-loose type locknut can only be used once, the disassembly is very difficult, the bolt pair is required to be destroyed for disassembly, the use cost is increased in the subsequent use process, the labor intensity of personnel is improved, and the friction anti-loose type locknut has certain limitation.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide the anti-loose nut which is convenient to use, can effectively ensure the anti-loose effect of the anti-loose nut, can reduce the operation difficulty of loading and unloading the anti-loose nut by personnel, improves the recycling rate of the anti-loose nut, and has the advantages of environmental protection, energy conservation, economy and practicability.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a locknut convenient to use, includes first connecting piece and second connecting piece and sets up bolt and the nut body at both ends about first connecting piece and second connecting piece, the through-hole has all been seted up on first connecting piece and the second connecting piece, the upper end fixedly connected with of bolt and through-hole specification assorted screw rod, nut body spiro union is at the outer end of screw rod, the outer end of screw rod still spiro union has locknut, nut body upper end integrated into one piece has the nut go-between, the nut constant head tank has been seted up to the one end that locknut is close to the nut body, the spacing groove has been seted up to the outer end of nut go-between, a plurality of the spout that communicates each other with the nut constant head tank has been seted up to the inner end of locknut, equal sliding connection has the stopper in a plurality of spout, equal fixedly connected with elastic rod between stopper and the inner bottom end of spout, and a plurality of elastic rods all with the inner bottom looks butt of spacing groove, can realize the efficiency that can guarantee locknut effectively, can reduce personnel's the degree of difficulty of operation, improves its reuse and has economical and practical advantages of energy-conserving.

Further, the nut go-between is the round platform type ring body, the internal thread with screw rod assorted is seted up to the inner of nut go-between, the cell body shape and the nut go-between assorted of nut constant head tank, when the upper surface of nut go-between and the upper surface looks butt of nut constant head tank, the spacing groove is in same horizontal line with the spout, cooperates the extrusion force of can better applying through the shape between nut go-between and nut constant head tank when twisting locknut to guarantee locknut and the inseparable laminating of nut body, preliminary prevention nut body takes place not hard up in the use.

Further, the inner bottom surface of the limit groove body is arranged to be a semicircular cambered surface, one end of the limit block, which is abutted to the limit groove, is matched with the limit groove in shape, when the locknut is screwed, a plurality of limit blocks move to the inner end of the chute at the moment of contacting the upper surface of the nut connecting ring until the limit groove and the chute are positioned on the same horizontal line, and at the moment, the limit blocks are reset through the elastic force of the elastic rod and are tightly abutted to the limit groove, so that the locknut can be tightly connected with the nut body, the friction between the limit block and the nut body is greatly increased, and the possibility that the nut body loosens in the use process is further reduced.

Further, the elastic rod comprises a compression spring and a telescopic rod, the compression spring is sleeved at the outer end of the telescopic rod, the service life of the compression spring can be effectively prolonged, deformation of the compression spring in the use process is prevented, the compression spring cannot be matched with the limiting groove, and accordingly a person can conveniently assemble and disassemble the locknut.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) The anti-loosening function of the locknut can be effectively guaranteed, meanwhile, the operation difficulty of loading and unloading the locknut by personnel can be reduced, the recycling rate of the locknut is improved, and the locknut has the advantages of environmental protection, energy saving and economy.

(2) The nut go-between is the round platform type ring body, the internal thread with screw rod assorted is seted up to the inner of nut go-between, the cell body shape of nut constant head tank and nut go-between assorted, when the upper surface of nut go-between and the upper surface looks butt of nut constant head tank, the spacing groove is in same horizontal line with the spout, cooperate the extrusion force of can be better appliedly through the shape of nut go-between and nut constant head tank when screwing up locknut to guarantee locknut and the inseparable laminating of nut body, preliminary prevention nut body takes place not hard up in the use.

(3) The inner bottom surface of the limiting groove body is arranged to be a semicircular cambered surface, one end shape of the limiting block, which is abutted with the limiting groove, is matched with the limiting groove, when the locknut is screwed, a plurality of limiting blocks move to the inner end of the sliding groove at the moment of contacting the upper surface of the nut connecting ring until the limiting groove and the sliding groove are positioned on the same horizontal line, and at the moment, the limiting block is reset through the elastic force of the elastic rod and is tightly abutted with the limiting groove, so that the locknut can be tightly connected with the nut body, friction between the limiting block and the nut body is greatly increased, and the possibility that the nut body loosens in the use process is further reduced.

(4) The elastic rod comprises a compression spring and a telescopic rod, and the compression spring is sleeved at the outer end of the telescopic rod, so that the service life of the compression spring can be effectively prolonged, deformation of the compression spring in the use process can be prevented, the compression spring cannot be matched with the limiting groove, and the anti-loose nut is convenient for personnel to assemble and disassemble.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is an enlarged view at A of FIG. 1;

fig. 3 is a schematic structural view of the nut body.

The reference numerals in the figures illustrate:

the novel anti-loosening device comprises a first connecting piece, a second connecting piece, a through hole 3, a bolt 4, a screw 5, a nut body 6, a nut connecting ring 61, a limiting groove 62, a locknut 7, a nut positioning groove 71, a sliding groove 72, a limiting block 8 and an elastic rod 9.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements 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 utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1:

referring to fig. 1-3, a convenient-to-use locknut comprises a first connecting piece 1, a second connecting piece 2, a bolt 4 and a nut body 6, wherein the bolt 4 and the nut body 6 are arranged at the upper end and the lower end of the first connecting piece 1 and the second connecting piece 2, through holes 3 are formed in the first connecting piece 1 and the second connecting piece 2, a screw 5 matched with the through holes 3 in specification is fixedly connected to the upper end of the bolt 4, the nut body 6 is in threaded connection with the outer end of the screw 5, a locknut 7 is further in threaded connection with the outer end of the screw 5, a nut connecting ring 61 is integrally formed at the upper end of the nut body 6, a nut positioning groove 71 is formed at one end, close to the nut body 6, of the locknut 7, a plurality of sliding grooves 72 mutually communicated with the nut positioning groove 71 are formed at the outer end of the locknut 7, a limiting block 8 is connected in the sliding manner in the sliding grooves 72, an elastic rod 9 is fixedly connected between the limiting block 8 and the inner bottom end of the sliding grooves 72, and the elastic rod 9 is in contact with the inner bottom end of the limiting groove 62.

Referring to fig. 1-3, the nut connecting ring 61 is a truncated cone ring body, an inner end of the nut connecting ring 61 is provided with an inner thread matched with the screw 5, a groove body shape of the nut positioning groove 71 is matched with the nut connecting ring 61, when the upper surface of the nut connecting ring 61 is abutted against the upper surface of the nut positioning groove 71, the limiting groove 62 is positioned on the same horizontal line with the sliding groove 72, and when the locknut 7 is screwed, extrusion force can be better applied by matching the shapes of the nut connecting ring 61 and the nut positioning groove 71, so as to ensure that the locknut 7 is tightly attached to the nut body 6, and the looseness of the nut body 6 in the use process is primarily prevented.

Referring to fig. 1-3, the inner bottom surface of the groove body of the limit groove 62 is provided with a semicircular arc surface, one end of the limit block 8 abutted against the limit groove 62 is matched with the semicircular arc surface, when the locknut 7 is screwed, the limit blocks 8 move to the inner end of the chute 72 at an instant of contacting the upper surface of the nut connecting ring 61 until the limit groove 62 and the chute 72 are positioned on the same horizontal line, and at the moment, the limit blocks 8 are reset through the elastic force of the elastic rod 9 and are tightly abutted against the limit groove 62, so that the locknut 7 can be connected with the nut body 6 more tightly, friction between the two is greatly increased, and the possibility of loosening the nut body 6 in the use process is further reduced.

Referring to fig. 2, the elastic rod 9 includes a compression spring and a telescopic rod, and the compression spring is sleeved at the outer end of the telescopic rod, so that the service life of the compression spring can be effectively prolonged, deformation of the compression spring in the use process can be prevented, and the compression spring cannot be matched with the limit groove 62, so that a person can conveniently assemble and disassemble the locknut 7.

When the anti-loosening nut is used, after the first connecting piece 1 and the second connecting piece 2 are fixed with the nut body 6 through the bolts 4, the anti-loosening nut 7 is screwed at the outer end of the screw 5, when the anti-loosening nut 7 is screwed downwards, the extrusion force can be better applied through the shape of the nut connecting ring 61 and the nut positioning groove 71 in a matched mode, so that the anti-loosening nut 7 and the nut body 6 are tightly attached to each other, the nut body 6 is preliminarily prevented from loosening in the use process, in the process, the limiting blocks 8 move to the inner end of the sliding groove 72 at the moment of contacting the upper surface of the nut connecting ring 61 until the limiting grooves 62 and the sliding groove 72 are positioned on the same horizontal line, at the moment, the limiting blocks 8 are reset through the elastic force of the elastic rods 9 and are tightly abutted with the limiting grooves 62, the anti-loosening nut 7 can be connected with the nut body 6 more tightly, the anti-loosening friction between the two is greatly increased, the possibility that the nut body 6 is loosened in the use process is further reduced, the anti-loosening nut can be effectively guaranteed, meanwhile, the operation difficulty of personnel on the anti-loosening nut can be reduced, the operation difficulty of the anti-loosening nut is improved, the environment protection and the anti-loosening nut has the advantages of saving energy and practical.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (5)

1. The utility model provides a locknut convenient to use, includes first connecting piece (1) and second connecting piece (2) and sets up bolt (4) and nut body (6) at both ends about first connecting piece (1) and second connecting piece (2), its characterized in that: the novel anti-loosening device is characterized in that through holes (3) are formed in the first connecting piece (1) and the second connecting piece (2), a plurality of sliding grooves (72) which are mutually communicated with the through holes (3) are formed in the upper end of the bolt (4), the nut body (6) is connected with the outer end of the screw (5) in a threaded mode, an anti-loosening nut (7) is further connected with the outer end of the screw (5) in a threaded mode, a nut connecting ring (61) is integrally formed in the upper end of the nut body (6), a nut positioning groove (71) is formed in one end, close to the nut body (6), of the anti-loosening nut (7), a limiting groove (62) is formed in the outer end of the nut connecting ring (61), a plurality of sliding grooves (72) which are mutually communicated with the nut positioning groove (71) are formed in the inner end of the anti-loosening nut (7), an elastic rod (9) is fixedly connected between the limiting block (8) and the inner bottom end of the sliding groove (72), and the elastic rod (9) are abutted against the inner bottom end of the limiting groove (62).

2. A ready-to-use locknut as defined in claim 1, wherein: the nut connecting ring (61) is a truncated cone-shaped ring body, and an internal thread matched with the screw rod (5) is arranged at the inner end of the nut connecting ring (61).

3. A ready-to-use locknut as defined in claim 1, wherein: the shape of the groove body of the nut positioning groove (71) is matched with that of the nut connecting ring (61), and when the upper surface of the nut connecting ring (61) is abutted against the upper surface of the nut positioning groove (71), the limiting groove (62) and the sliding groove (72) are positioned on the same horizontal line.

4. A ready-to-use locknut as defined in claim 1, wherein: the inner bottom surface of the groove body of the limiting groove (62) is arranged to be a semicircular cambered surface, and one end of the limiting block (8) abutted with the limiting groove (62) is matched with the limiting groove in shape.

5. A ready-to-use locknut as defined in claim 1, wherein: the elastic rod (9) comprises a compression spring and a telescopic rod, and the compression spring is sleeved at the outer end of the telescopic rod.

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