CN220748770U

CN220748770U - Combined locknut

Info

Publication number: CN220748770U
Application number: CN202322542704.9U
Authority: CN
Inventors: 刘运昌
Original assignee: Handan Zhaoyun Power Fastener Manufacturing Co ltd
Current assignee: Handan Zhaoyun Power Fastener Manufacturing Co ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-04-09
Anticipated expiration: 2033-09-19

Abstract

The utility model discloses a compound locknut, and belongs to the technical field of nut manufacturing. Including first nut and second nut, first nut includes first nut body, first through-hole and interior chute, interior chute includes first inclined plane, the surface on first inclined plane is provided with the chute screw thread, the second nut includes the second through-hole and sets up the second nut body in the second through-hole outside, one side on the second nut body is provided with outer sloping platform, outer sloping platform includes the second inclined plane, be provided with the sloping platform screw thread on the second inclined plane, the second nut body includes the inner circle layer and sets up the outer lane layer in the inner circle layer outside, be provided with cross sawtooth recess on the outer lane layer. The composite locknut with the structure can increase the lockeffect of the nut, is convenient to install and saves time.

Description

Combined locknut

Technical Field

The utility model relates to the technical field of nut manufacturing, in particular to a compound locknut.

Background

The nut is a part which is screwed together with a bolt or a screw rod to play a role in fastening, and all components which are required by the production and manufacturing machinery are divided into a plurality of large types such as carbon steel, stainless steel, nonferrous metal (such as copper) and the like according to different materials; the nut tightly connects the mechanical equipment through the inner threads, and the nuts and bolts with the same specification can be connected together. However, in the normal running state, the nut locked by the machine can generate a self-loosening effect due to vibration of the machine, so that the service life of the machine can be influenced, the production and manufacturing risks can be increased, the safety problem is generated, and economic losses are caused.

Disclosure of Invention

The utility model aims to provide a compound locknut which can increase the lockeffect of the nut, is convenient to install and saves time.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a compound locknut, including first nut and second nut, first nut includes first nut body, first through-hole and interior chute, interior chute includes first inclined plane, the surface on first inclined plane is provided with the chute screw thread, the second nut includes the second through-hole and sets up the second nut body in the second through-hole outside, one side on the second nut body is provided with outer sloping platform, outer sloping platform includes the second inclined plane, be provided with the sloping platform screw thread on the second inclined plane, the second nut body includes the inner circle layer and sets up the outer lane layer in the inner circle layer outside, be provided with cross sawtooth recess on the outer lane layer.

Preferably, the inner chute is matched with the outer chute, and is in a truncated cone shape, and the thread of the chute is matched with the thread of the chute.

Preferably, four cross-shaped sawtooth grooves are symmetrically formed in the outer ring layer and the second inclined plane, and the cross-shaped sawtooth grooves penetrate through the outer ring layer and the second inclined plane.

Preferably, two sides of the first nut are provided with rubber ring layers for skid resistance.

Preferably, the first through hole and the second through hole have the same diameter and size, and the inner sides are provided with threads.

Therefore, the composite locknut adopting the structure has the beneficial effects that:

in the process that the outer inclined platform of the second nut is rotated and screwed into the inner inclined groove of the first nut, the cross-shaped sawtooth groove is extruded to deform, so that the anti-loosening effect of the nut can be enhanced, and the device is simple and convenient to operate and saves time.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

FIG. 1 is a schematic view of a composite locknut embodiment of the present utility model;

FIG. 2 is a schematic view of a composite locknut embodiment of the present utility model;

FIG. 3 is a schematic view of a first nut of an embodiment of a composite locknut of the present utility model;

FIG. 4 is a schematic view of a second nut of an embodiment of a composite locknut of the present utility model;

in the figure: 1. a first nut; 2. a first nut body; 3. a first through hole; 4. an inner chute; 41. a first inclined surface; 42. chute threads; 5. a second nut; 6. a second through hole; 7. a second nut body; 71. an outer ramp; 72. a second inclined surface; 73. a ramp thread; 8. an inner ring layer; 9. an outer ring layer; 91. cross-shaped sawtooth grooves.

Detailed Description

The technical scheme of the utility model is further described below through the attached drawings and the embodiments.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Examples

As shown in fig. 1-4, the utility model provides a composite locknut, which comprises a first nut 1 and a second nut 5, wherein the first nut 1 comprises a first nut body 2, a first through hole 3 and an inner chute 4, the first through hole 3 and the inner chute 4 are of an integrated structure and are arranged on the inner side of the first nut body 1, the inner chute 4 is in a circular truncated cone shape, the inner chute 4 comprises a first inclined surface 41, chute threads 42 are arranged on the surface of the first inclined surface 41, threads are also arranged in the first through hole 3, and the first through hole 3 is used for being matched and fixed with a screw rod and the like.

As shown in fig. 1-4, the utility model provides a compound locknut, the second nut 5 comprises a second through hole 6 and a second nut body 7 arranged outside the second through hole 6, one side of the second nut body 7 is provided with an outer inclined table 71, the outer inclined table 71 is also in a round table shape, and the outer inclined table 71 is matched with the inner inclined groove 4; the outer ramp 71 comprises a second ramp 72, the second ramp 72 being provided with ramp threads 73, the ramp threads 73 being adapted to the chute threads 42 on the inner chute 4; the outer chute 71 and the inner chute 4 can be directly rotated and screwed when the device is used. The diameter sizes of the second through hole 6 and the first through hole 3 are the same, and the inner side of the second through hole 6 is also provided with threads and is matched and fixed with a screw rod and the like.

As shown in fig. 1-4, the utility model provides a compound locknut, a second nut body 7 comprises an inner ring layer 8 and an outer ring layer 9 arranged outside the inner ring layer 8, and four cross-shaped sawtooth grooves 91 are arranged on the outer ring layer 9; a cross-shaped serration groove 91 is also provided on the second inclined surface 72 of the outer ramp 71, the cross-shaped serration groove 91 penetrating the second inclined surface 72 and the outer race layer 9; in the process of rotating and screwing the outer inclined table 71 and the inner inclined groove 4, the cross-shaped sawtooth groove 91 is deformed by extrusion, so that the inclined table thread 73 is tightly clamped with the inclined groove thread 42 and fixed on a screw rod, and a good anti-loosening effect is achieved.

As shown in fig. 1-4, the utility model provides a compound locknut, which comprises the following device principles: when in use, the outer inclined table 71 of the second nut 5 is directly screwed into the inner chute 4 of the first nut 1, the cross-shaped sawtooth groove 91 is extruded to deform, so that the inclined table thread 73 is tightly clamped with the chute thread 42 and is fixed on the screw rod, thereby enhancing the anti-loosening effect of the device; meanwhile, the two sides of the first nut 1 are provided with the anti-skid rubber ring layers, so that the effect of reinforcing and fixing is achieved.

Therefore, the composite locknut adopting the structure can increase the lockeffect of the nut, is convenient to install and saves time.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. A composite locknut, characterized in that: including first nut (1) and second nut (5), first nut (1) include first nut body (2), first through-hole (3) and interior chute (4), interior chute (4) include first inclined plane (41), the surface of first inclined plane (41) is provided with chute screw thread (42), second nut (5) include second through-hole (6) and set up second nut body (7) in the second through-hole (6) outside, one side on second nut body (7) is provided with outer sloping platform (71), outer sloping platform (71) include second inclined plane (72), be provided with sloping platform screw thread (73) on second inclined plane (72), second nut body (7) include inner circle layer (8) and set up outer lane layer (9) in the inner circle layer (8) outside, be provided with cross sawtooth recess (91) on outer lane layer (9).

2. A composite locknut as defined in claim 1, wherein: the inner chute (4) is matched with the outer chute (71) and is in a round table shape, and the chute thread (42) is matched with the chute thread (73).

3. A composite locknut as defined in claim 2, wherein: four cross-shaped sawtooth grooves (91) are symmetrically arranged on the outer ring layer (9) and the second inclined plane (72), and the cross-shaped sawtooth grooves (91) penetrate through the outer ring layer (9) and the second inclined plane (72).

4. A compound locknut as defined in claim 3, wherein: the two sides of the first nut (1) are provided with a rubber ring layer for skid resistance.

5. A composite locknut as defined in claim 4, wherein: the diameters of the first through hole (3) and the second through hole (6) are the same, and the inner sides of the first through hole and the second through hole are provided with threads.