CN213870682U

CN213870682U - Special-shaped fastener with good fixing effect

Info

Publication number: CN213870682U
Application number: CN202022565931.XU
Authority: CN
Inventors: 王建勇
Original assignee: Sichuan Nanchong Xinyuan Machinery Manufacturing Co ltd
Current assignee: Sichuan Nanchong Xinyuan Machinery Manufacturing Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-08-03
Anticipated expiration: 2030-11-09

Abstract

The utility model relates to the technical field of special-shaped fasteners, and discloses a special-shaped fastener with good fixing effect, which comprises a bolt, a nut and a limit sleeve; a nut is screwed on the bolt, and a limiting sleeve is sleeved below the bolt; the middle part of the limiting sleeve is provided with a through hole, the bolt penetrates through the through hole, limiting blocks are integrally formed at two ends of the through hole, and limiting grooves are formed at two ends of the bolt; fixing bolts are inserted into the front side and the rear side of the limiting sleeve, and screw holes are formed in the front side and the rear side of the nut. The utility model discloses a stop collar rebound cover is arranged in on the nut, and rethread fixing bolt is located the screw internal rotation and accomplishes the fixed mounting that the stop collar is located the nut, is located the spacing inslot through the stopper this moment and can carry on spacingly, can prevent that the nut from appearing rotatory not hard up after long-time, ensures the fastening effect of nut and bolt, can effectively ensure fastening life-span.

Description

Special-shaped fastener with good fixing effect

Technical Field

The utility model relates to a heterotypic fastener technical field specifically is a fixed effectual heterotypic fastener.

Background

At present, the fastener is a mechanical part which is used for fastening and connecting and has wide application, the fastener has wide application industries, including the industries of energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, molds, hydraulic pressure and the like, various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, supplies and the like, and the fastener is a mechanical basic part which has the most wide application, but the existing special-shaped fastener with good fixing effect has some defects, for example;

a special-shaped fastener with the publication number (CN202451558U) realizes the universal tools used for standard components by changing the shapes of the bolt, the head of a screw and the outer edge of a nut into the shape of a non-standard component, such as: the purpose of screwing the special-shaped fastener cannot be achieved by using a spanner wrench, a solid wrench, an internal hexagonal wrench, a straight wrench, a cross wrench and the like, but the device still has the following defects:

the device fastening effect is not ideal, still has the risk of becoming flexible after long-time, therefore reliability greatly reduced makes its security greatly reduced when being located important position and using.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixed effectual heterotypic fastener has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a special-shaped fastener with good fixing effect comprises a bolt, a nut and a limiting sleeve;

a nut is screwed on the bolt, and a limiting sleeve is sleeved below the bolt;

the middle part of the limiting sleeve is provided with a through hole, the bolt penetrates through the through hole, limiting blocks are integrally formed at two ends of the through hole, and limiting grooves are formed at two ends of the bolt;

fixing bolts are inserted into the front side and the rear side of the limiting sleeve, and screw holes are formed in the front side and the rear side of the nut.

As a preferred embodiment of the present invention, the inner end of the fixing bolt is located in the screw hole and is fixed in rotation.

As an optimized embodiment of the present invention, the limiting block is movably mounted in the limiting groove.

As a preferred embodiment of the present invention, the inner side of the top end of the bolt is sleeved with a rubber ring.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a fixed effectual heterotypic fastener, through the stop collar rebound cover arrange the nut in on, rethread fixing bolt is located the screw internal rotation and accomplishes the fixed mounting that the stop collar is located the nut, is located the spacing inslot through the stopper this moment and can carry on spacingly, can prevent that the nut from appearing rotatory not hard up after long-time, ensures the fastening effect of nut and bolt, can effectively ensure fastening life-span.

2. The utility model relates to a fixed effectual heterotypic fastener can improve the frictional force between bolt and equipment when fastening greatly through the rubber circle, avoids because of the not hard up situation of the rotatory appearance of bolt.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic front view of a special-shaped fastener with good fixing effect;

fig. 2 is the utility model discloses a stop collar overlooking structure schematic diagram of fixed effectual abnormal shape fastener.

In the figure: 1. a bolt; 2. a nut; 3. a limiting sleeve; 4. a limiting groove; 5. a screw hole; 6. fixing the bolt; 7. perforating; 8. a limiting block; 9. a rubber ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and for simplicity of description, but do not indicate or imply that the device or element referred to must have a specific shape or simplified description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a special-shaped fastener with good fixing effect comprises a bolt 1, a nut 2 and a limiting sleeve 3;

a nut 2 is screwed on the bolt 1, and a limiting sleeve 3 is sleeved below the bolt 1;

a through hole 7 is formed in the middle of the limiting sleeve 3, the bolt 1 penetrates through the through hole 7, limiting blocks 8 are integrally formed at two ends of the through hole 7, and limiting grooves 4 are formed at two ends of the bolt 1;

fixing bolts 6 are inserted into the front side and the rear side of the limiting sleeve 3, and screw holes 5 are formed in the front side and the rear side of the nut 2.

In this embodiment (please refer to fig. 1 and 2), the stop collar 3 is moved upwards to be sleeved on the nut 2, the fixing bolt 6 is positioned in the screw hole 5 to rotate to complete the fixed installation of the stop collar 3 on the nut 2, and the stop collar 8 is positioned in the limit groove 4 to limit the position, so that the nut 2 is prevented from rotating and loosening after a long time, the fastening effect of the nut 2 and the bolt is ensured, and the fastening service life is effectively ensured.

Wherein, the inner end of the fixing bolt 6 is positioned in the screw hole 5 and is fixed in a rotating way.

In this embodiment (see fig. 1), the inner end of the fixing bolt 6 is located in the screw hole 5 and is rotationally fixed, so that the fixing operation after the limiting sleeve 3 is sleeved on the nut 2 can be completed.

Wherein, the limiting block 8 is movably arranged in the limiting groove 4.

In this embodiment (please refer to fig. 1 and fig. 2), the limiting block 8 is movably mounted in the limiting groove 4 to facilitate the up-and-down movement of the limiting sleeve 3.

Wherein, the inner side of the top end of the bolt 1 is sleeved with a rubber ring 9.

In this embodiment (see fig. 1), the rubber ring 9 can greatly increase the friction between the bolt 1 and the equipment during fastening, thereby avoiding the loosening condition caused by the rotation of the bolt 1.

It should be noted that the utility model relates to a special-shaped fastener with good fixing effect, which comprises a bolt 1; 2. a nut; 3. a limiting sleeve; 4. a limiting groove; 5. a screw hole; 6. Fixing the bolt; 7. perforating; 8. a limiting block; 9. the rubber ring and the components are all universal standard parts or components known by the technicians in the field, the structure and the principle of the rubber ring are known by the technicians in the technical manual or by the conventional experimental method, and when in use, firstly, the bolt 1 penetrates through the mounting hole, then the nut 2 is positioned below the bolt 1 to be rotated and fastened, after the fastening is finished, the limiting sleeve 3 is sleeved on the nut 2 in an upward moving way, and then the fixing bolt 6 is positioned in the screw hole 5 to rotate so as to finish the fixed installation of the limiting sleeve 3 on the nut 2, at the moment, the limiting can be carried out by positioning the limiting block 8 in the limiting groove 4, the nut 2 can be prevented from rotating and loosening after a long time, the fastening effect of the nut 2 and the bolt can be ensured, the fastening service life can be effectively ensured, and the friction between the bolt 1 and the equipment can be greatly improved through the rubber ring 9 during fastening, and the loosening condition caused by the rotation of the bolt 1 is avoided.

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 evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A special-shaped fastener with good fixing effect is characterized by comprising a bolt (1), a nut (2) and a limiting sleeve (3);

a nut (2) is screwed on the bolt (1), and a limiting sleeve (3) is sleeved below the bolt (1);

a through hole (7) is formed in the middle of the limiting sleeve (3), the bolt (1) penetrates through the through hole (7), limiting blocks (8) are integrally formed at two ends of the through hole (7), and limiting grooves (4) are formed at two ends of the bolt (1);

fixing bolts (6) are inserted into the front side and the rear side of the limiting sleeve (3), and screw holes (5) are formed in the front side and the rear side of the nut (2).

2. The special-shaped fastener with good fixing effect according to claim 1, wherein: the inner end of the fixing bolt (6) is positioned in the screw hole (5) and is rotationally fixed.

3. The special-shaped fastener with good fixing effect according to claim 1, wherein: the limiting block (8) is movably arranged in the limiting groove (4).

4. The special-shaped fastener with good fixing effect according to claim 1, wherein: the inner side of the top end of the bolt (1) is sleeved with a rubber ring (9).