CN211667023U - Retainer ring fastener for shaft - Google Patents

Abstract

The utility model discloses a retaining ring fastener for shafts, which belongs to the technical field of retaining rings for shafts. At the front end, a slot lug is welded and installed on the extension groove, a screw hole is provided on the groove lug, an extension groove slot is arranged in the middle of the extension groove, the retaining ring is installed on the front end of the fastener, and the The fasteners are installed in conjunction with the fixing nuts. The utility model has the advantages of novel design, easy operation and good use effect, which can prevent the shaft retaining ring from loosening and wearing due to vibration, improve the service life of the shaft retaining ring, and can also effectively reduce the loosening of fasteners caused by vibration and prevent tightening. The firmware came off.

Description

A shaft retaining ring fastener

technical field

The utility model relates to the technical field of retaining rings for shafts, in particular to a retaining ring fastener for shafts.

Background technique

The shaft retaining ring is a kind of hole-oriented movement installed on the grooved shaft and used as a fixed component. The inner diameter of this kind of retaining ring is slightly smaller than the assembly shaft diameter. The shaft retaining ring needs to be fixed with fasteners. Fasteners are a type of mechanical parts that are used for fastening and are widely used. Fasteners are used in a wide range of industries, including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, molds, hydraulics, etc., in various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, and instruments. , chemical industry, instruments and supplies, etc., all kinds of fasteners can be seen, which are the most widely used mechanical basic parts. It is characterized by a wide variety of specifications, different performance uses, and a very high degree of standardization, serialization and generalization. Therefore, some people also refer to a type of fasteners with existing national standards as standard fasteners, or simply as standard parts.

Patent No. CN207278719U discloses a shaft retaining ring fastener, which includes a fastener body, and a clamping edge, an extension slot, a slot, and an expansion slot are arranged on the fastener body. There is a notch. The notch is circular, and a card edge is installed on the outside of the notch. The card edge is hexagonal. There is an extension notch on one side of the notch, and the extension notch helps to strengthen the fixing of the fastener. It can effectively reduce the loosening of fasteners caused by vibration. The extension notch and the notch are integrally formed. There are threads on the inner side of the extension notch and the notch. The larger end of the notch is more convenient to screw on when connecting with the bearing, the body of the fastener is reasonably designed, the structure is simple, the use is convenient, the fixing effect of the fastener is good, and it is not easy to loosen.

The above patent has the following shortcomings: 1. The shaft retaining ring cannot be fixed, which will cause the shaft retaining ring to loosen and wear due to vibration, reducing the service life of the shaft retaining ring; 2. It cannot effectively reduce the vibration caused by the fasteners Loose, easy to make the fasteners fall off. To this end, we propose a retaining ring fastener for shafts.

Utility model content

The utility model provides a retaining ring fastener for a shaft, which has a novel design, is easy to operate and has a good use effect. , to improve the service life of the shaft retaining ring; by fixing the nut, the loosening of the fasteners caused by vibration can be effectively reduced and the fasteners can be prevented from falling off.

The concrete technical scheme that the utility model provides is as follows:

The utility model provides a shaft retaining ring fastener, comprising a fastener, the fastener is composed of a piece cap and an extension groove welded, the extension groove is welded to the front end of the piece cap, and the extension groove is welded A slot ear is installed, a screw hole is provided on the slot ear, an extension slot slot is arranged in the middle of the extension slot, the retaining ring is installed at the front end of the fastener, and the fastener cooperates with the fixing nut Install.

Optionally, the center of the part cap is set as a part cap opening, and the inner side wall of the part cap opening is provided with threads.

Optionally, the center of the part cap is set as a part cap opening, the part cap opening has a conical structure, the part cap opening has a larger outer opening and a smaller inner opening, and the part cap opening communicates with the extension slot notch.

Optionally, the inner side wall of the fixing nut is provided with threads, the front end of the fixing nut is provided with a thread edge, the thread edge has a conical structure, and the structure shape of the thread edge matches the structure shape of the cap opening.

Optionally, the retaining ring is configured as a ring, and the ring is provided with screw holes in conduction.

The beneficial effects of the present utility model are as follows:

1. The utility model has a novel design, is easy to operate and has a good use effect. By providing a groove lug, the retaining ring is installed on the groove lug of the extension groove by screws, and the screw hole on the retaining ring only needs to be aligned with the groove lug on the groove lug. The screw hole is enough, insert the screw for installation, the installed retaining ring will be fixed on the fastener, and then pass the fastener through the extension slot and the cap opening through the shaft, and then the installation can be carried out, together with the retaining ring. In this way, the shaft retaining ring can be fixed, preventing the shaft retaining ring from loosening and wearing due to vibration, and improving the service life of the shaft retaining ring.

2. The utility model is provided with a fixing nut. After the installed retaining ring and the fastener are passed through the shaft through the extension slot slot and the cap opening, the fixing nut is rotated and installed on the shaft through the thread, and tightened. The cap opening on the part has a tapered structure, and the outer opening of the cap opening is large and the inner opening is small, and the screw edge on the fixing nut also has a tapered structure, and the structural shape of the screw edge is consistent with that of the cap opening. , Rotate and tighten the fixing nut, so that the screw edge is inlaid with the cap opening, so that. The fixing nut will exert a fixing force on the fastener to prevent the fastener from loosening. In this way, it can effectively reduce the loosening of the fastener caused by vibration and prevent the fastener from falling off.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a schematic diagram of the overall structure of a retaining ring fastener for a shaft according to an embodiment of the present utility model;

Fig. 2 is the rear view structure schematic diagram of a kind of axial retaining ring fastener according to the embodiment of the utility model;

3 is a schematic cross-sectional structural diagram of a retaining ring fastener for a shaft according to an embodiment of the present utility model;

4 is a schematic structural diagram of a fixing nut of a shaft retaining ring fastener according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a retaining ring structure of a retaining ring fastener for a shaft according to an embodiment of the present invention.

In the figure: 1. Groove lug; 2. Extension slot; 3. Piece cap; 4. Fastener; 5. Extension slot notch; 6. Screw hole; 7. Piece cap opening; 8. Thread; 9. Fixing nut ; 10. Screw edge; 11. Retaining ring; 12. Ring.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

A shaft retaining ring fastener according to an embodiment of the present invention will be described in detail below with reference to FIGS. 1 to 5 .

Referring to Fig. 1 , a shaft retaining ring fastener provided by an embodiment of the present invention includes a fastener 4, and the fastener 4 is formed by welding a cap 3 and an extension groove 2, and the extension groove 2 is welded to the front end of the part cap 3, the slot lug 1 is welded and installed on the extension slot 2, the slot ear 1 is provided with a screw hole 6, and the extension slot 2 is provided with an extension slot slot 5 in the middle, so The retaining ring 11 is installed at the front end of the fastener 4 , and the fastener 4 is installed in cooperation with the fixing nut 9 .

Referring to FIG. 2 , the center of the part cap 3 is a part cap opening 7 , and the inner side wall of the part cap opening 7 is provided with a thread 8 .

Referring to FIG. 3 , the center of the part cap 3 is a part cap opening 7, the part cap opening 7 presents a conical structure, the part cap opening 7 has a larger outer opening and a smaller inner opening, and the part cap opening 7 is the same as the one shown in FIG. The slot 5 of the extension slot communicates with each other.

4, the inner side wall of the fixing nut 9 is provided with a thread 8, the front end of the fixing nut 9 is provided with a thread edge 10, the thread edge 10 presents a conical structure, and the structure shape of the thread edge 10 is the same as the one shown in FIG. 4 . The structure and shape of the cap opening 7 are matched.

Referring to FIG. 5 , the retaining ring 11 is configured as a ring 12 , and the ring 12 is provided with screw holes 6 in conduction.

The embodiment of the present invention provides a retaining ring fastener for a shaft. When in use, the retaining ring 11 is installed on the groove lug 1 of the extension groove 2 by screws by being provided with a groove lug 1. The screw holes 6 can be aligned with the screw holes 6 on the groove ear 1, and the screws are inserted for installation. The installed retaining ring 11 will be fixed on the fastener 4, and then the fastener 4 will be extended through the slot 5. And the cap opening 7 can be installed on the shaft, and it can be installed together with the retaining ring 11. In this way, the retaining ring for the shaft can be fixed to prevent the retaining ring for the shaft from loosening and wearing due to vibration, and improving the retaining ring for the shaft. With the fixing nut 9, the installed retaining ring 11 and the fastener 4 pass through the shaft through the extension slot 5 and the cap opening 7, and then the fixing nut 9 is screwed and installed on the shaft. On the shaft, the cap opening 7 on the fastener 4 presents a conical structure, and the outer opening of the cap opening 7 is large and the inner opening is small, and the screw edge 10 on the fixing nut 9 also presents a tapered structure, and the screw edge 10 The structure and shape of the socket 7 are consistent with the structure and shape of the cap opening 7, and the fixing nut 9 is rotated and tightened, so that the screw edge 10 is inlaid and matched with the cap opening 7, and so on. The fixing nut 9 exerts a fixing force on the fastener 4 to prevent the fastener 4 from loosening. In this way, the loosening of the fastener 4 caused by vibration can be effectively reduced and the fastener 4 is prevented from falling off.

It should be noted that the present utility model is a shaft retaining ring fastener, which includes a groove lug 1; an extension groove 2; a piece cap 3; a fastener 4; a screw hole 6; a thread 8; a fixing nut 9; 10; retaining ring 11; ring 12, the above components are all products of the prior art, and those skilled in the art will select, install and complete the debugging of the components according to the needs of use to ensure that each component can work normally, and the components are all common The structures and principles of standard parts or parts known to those skilled in the art can be known by those skilled in the art through technical manuals or through routine experimental methods, and the applicant does not make specific limitations here.

Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if these modifications and variations of the embodiments of the present utility model fall within the scope of the claims of the present utility model and their equivalents, the present utility model is also intended to include these modifications and variations.

Claims (5)

1. A shaft retaining ring fastener, characterized in that it comprises a fastener (4), the fastener (4) is composed of a cap (3) and an extension groove (2) welded, and the extension The groove (2) is welded to the front end of the part cap (3), a groove lug (1) is welded and installed on the extension groove (2), and a screw hole (6) is provided on the groove lug (1) for conduction. The extension groove (2) is provided with an extension groove slot (5) in the middle, the retaining ring (11) is installed at the front end of the fastener (4), and the fastener (4) is installed in cooperation with the fixing nut (9). . 2. A shaft retaining ring fastener according to claim 1, characterized in that: the center of the cap (3) is set as a cap opening (7), and the inner side of the cap opening (7) A thread (8) is provided on the wall. 3 . A shaft retaining ring fastener according to claim 1 , wherein the center of the cap ( 3 ) is a cap opening ( 7 ), and the cap opening ( 7 ) is tapered. 4 . The part cap opening (7) has a large outer opening and a small inner opening, and the part cap opening (7) communicates with the extension slot notch (5). 4. A shaft retaining ring fastener according to claim 1, characterized in that: the inner side wall of the fixing nut (9) is provided with a thread (8), and the front end of the fixing nut (9) is provided with a thread (8). There is a screw edge (10), the screw edge (10) presents a conical structure, and the structure shape of the screw edge (10) is consistent with the structure shape of the cap opening (7). 5. A shaft retaining ring fastener according to claim 1, characterized in that: the retaining ring (11) is configured as a ring (12), and the ring (12) is provided with a conducting ring. screw hole (6).

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