CN216699683U - New-type end cover structure - Google Patents

Abstract

The utility model provides a novel end cover structure, which belongs to the field of end covers and comprises: an end cap; the bearing is pressed in the end cover; the rotating shaft is pressed in the bearing inner hole, and one end of the rotating shaft penetrates through the bearing and the end cover and extends to the outer side of the rotating shaft; the hole elastic check ring groove can support a rotating shaft through the arrangement of a bearing, so that the friction coefficient of the rotating shaft in the moving process is reduced, the rotation precision of the rotating shaft is ensured, the sealing effect can be realized through the arrangement of an oil-proof sealing ring, lubricating grease is prevented from leaking, the hole elastic check ring is movably inserted into the hole elastic check ring groove, the hole elastic check ring is movably sleeved on the oil-proof sealing ring, the position of the oil-proof sealing ring can be limited, the sealing effect can be greatly improved through the matching of the hole elastic check ring and the oil-proof sealing ring, and the problem that the service life of the rotating shaft is influenced by long-time grease leakage when the rotating shaft rotates after an end cover in the prior art can be solved.

Description

New-type end cover structure

Technical Field

The utility model belongs to the field of end covers, and particularly relates to a novel end cover structure.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor is represented by a letter M (old standard is represented by a letter D) in a circuit, the motor mainly plays a role of generating driving torque and serving as a power source of electrical appliances or various machines, the generator is represented by a letter G in a circuit, and the generator mainly plays a role of converting mechanical energy into electric energy.

The end cover is a rear cover arranged behind the motor and other machine shells, the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the moving process of the rotating shaft and ensure the rotation precision of the rotating shaft, the end cover is used for enhancing the axial positioning of the outer ring of the bearing and the sealing performance of the bearing in the working process, and after the existing end cover is arranged, grease leakage occurs when the rotating shaft rotates, and the long-time grease leakage can influence the service life of the bearing, so a novel end cover structure is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel end cover structure, and aims to solve the problems that after an end cover in the prior art is installed, grease leakage occurs when a rotating shaft rotates, and the long-time grease leakage influences the service life of the rotating shaft.

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

a novel end cap structure comprising:

an end cap;

the bearing is pressed in the end cover;

the rotating shaft is pressed in the bearing inner hole, and one end of the rotating shaft penetrates through the bearing and the end cover and extends to the outer side of the rotating shaft;

the elastic retainer groove for the hole is formed on the inner wall of the end cover;

the oil-proof sealing ring is movably sleeved on the rotating shaft; and

the hole elastic check ring is movably inserted into the hole elastic check ring groove, and the hole elastic check ring is movably sleeved on the oil-proof sealing ring.

As a preferred scheme of the present invention, an end cap sealing ring positioning groove is formed in an inner wall of the end cap, an end cap sealing ring is movably inserted into the end cap sealing ring positioning groove, and the end cap sealing ring is movably sleeved on the rotating shaft.

As a preferable scheme of the present invention, the rotating shaft is movably sleeved with a bearing washer, and the bearing washer is located between the oil-proof sealing ring and the rotating shaft.

As a preferable scheme of the utility model, the end cover is provided with a hollow groove.

In a preferred aspect of the present invention, the circlip for hole and the oil seal ring are engaged with each other.

As a preferable scheme of the utility model, the hollowed-out groove is composed of four groups of grooves with special shapes.

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

1. in this scheme, can support the pivot through the setting of bearing, thereby reduce the coefficient of friction in the pivot motion process, and guarantee its gyration precision, can realize sealed effect through the setting of grease proofing sealing washer, prevent that the grease from taking place to leak, circlip activity is pegged graft in hole with circlip inslot for the clearing hole, and hole circlip movable sleeve locates on the grease proofing sealing washer, can restrict the position of grease proofing sealing washer, circlip and grease proofing sealing washer's cooperation can increase substantially sealed effect for the clearing hole.

2. In this scheme, locate in the pivot through bearing packing ring movable sleeve for the bearing packing ring can cushion the radial effort of pivot, thereby improves the stability of pivot, can reduce the quantity of material through the setting in fretwork groove, when practicing thrift the cost, can alleviate whole weight.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a side view of the present invention;

FIG. 2 is a cross-sectional view of the present invention at the location of the aperture ring groove and the end cap seal ring groove;

FIG. 3 is a partial cross-sectional view of the oil resistant seal and end cap seal of the present invention.

In the figure: 1. an end cap; 2. hollowing out the grooves; 3. an end cap seal ring; 4. a rotating shaft; 5. the hole is provided with an elastic retainer groove; 6. an end cover seal ring positioning groove; 7. a circlip for a hole; 8. an oil-proof sealing ring; 9. a bearing; 10. a bearing washer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Example 1

Referring to fig. 1-3, the technical solution provided in this embodiment is as follows:

a novel end cap structure comprising:

an end cap 1;

the bearing 9 is pressed in the end cover 1;

the rotating shaft 4 is pressed in the inner hole of the bearing 9, and one end of the rotating shaft 4 penetrates through the bearing 9 and the end cover 1 and extends to the outer side of the rotating shaft 4;

the elastic retainer ring groove 5 for the hole is arranged on the inner wall of the end cover 1;

the oil-proof sealing ring 8 is movably sleeved on the rotating shaft 4; and

the hole elastic check ring 7 is movably inserted into the hole elastic check ring groove 5, and the hole elastic check ring 7 is movably sleeved on the oil-proof seal ring 8.

In a particular embodiment of the present invention,

specifically, an end cover sealing ring positioning groove 6 is formed in the inner wall of the end cover 1, an end cover sealing ring 3 is movably inserted in the end cover sealing ring positioning groove 6, and the end cover sealing ring 3 is movably sleeved on the rotating shaft 4.

In the specific embodiment of the utility model, the bearing 9 is arranged to support the rotating shaft 4, so that the friction coefficient of the rotating shaft 4 in the movement process is reduced, the rotation precision of the rotating shaft is ensured, the sealing effect can be realized by the arrangement of the oil-proof sealing ring 8, the engine oil is prevented from leaking, the hole elastic check ring 7 is movably inserted into the hole elastic check ring groove 5, the hole elastic check ring 7 is movably sleeved on the oil-proof sealing ring 8, the position of the oil-proof sealing ring 8 can be limited, and the sealing effect can be greatly improved by the matching of the hole elastic check ring 7 and the oil-proof sealing ring 8.

Specifically, the rotating shaft 4 is movably sleeved with a bearing gasket 10, and the bearing gasket 10 is located between the oil-proof sealing ring 8 and the rotating shaft 4.

In the specific embodiment of the present invention, the bearing washer 10 is movably sleeved on the rotating shaft 4, so that the bearing washer 10 can buffer the radial acting force of the rotating shaft 4, thereby improving the stability of the rotating shaft 4.

Specifically, the end cover 1 is provided with a hollow groove 2.

In the embodiment of the utility model, the arrangement of the hollow-out grooves 2 can reduce the material consumption, thereby saving the cost and reducing the overall weight.

Specifically, the circlip for hole 7 and the oil-proof seal ring 8 are engaged with each other.

In the embodiment of the present invention, the circlip for hole 7 and the oil seal ring 8 are engaged with each other.

Specifically, the hollow groove 2 is composed of four groups of grooves with special shapes.

In the embodiment of the present invention, the hollow-out grooves 2 are composed of four groups of grooves with special shapes, and the four groups of grooves are uniformly distributed.

The working principle or the working process of the novel end cover structure provided by the utility model is as follows: the bearing 9 can support the rotating shaft 4, thereby reducing the friction coefficient of the rotating shaft 4 in the moving process and ensuring the revolution precision, the arrangement of the oil-proof sealing ring 8 can realize the sealing effect and prevent the leakage of grease, the elastic retainer ring 7 for holes is movably inserted in the elastic retainer ring groove 5 for holes, and the elastic retainer ring 7 for holes is movably sleeved on the oil-proof sealing ring 8, can limit the position of the oil-proof sealing ring 8, can greatly improve the sealing effect by matching the elastic retainer ring 7 for the hole with the oil-proof sealing ring 8, the bearing washer 10 is movably sleeved on the rotating shaft 4, so that the bearing washer 10 can buffer the radial acting force of the rotating shaft 4, thereby improve the stability of pivot 4, can reduce the quantity of material through the setting of fretwork groove 2, when practicing thrift the cost, can alleviate whole weight.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A novel end cap structure, comprising:

an end cap (1);

the bearing (9) is pressed in the end cover (1);

the rotating shaft (4) is pressed in the inner hole of the bearing (9), and one end of the rotating shaft (4) penetrates through the bearing (9) and the end cover (1) and extends to the outer side of the rotating shaft (4);

the hole elastic retainer ring groove (5) is formed on the inner wall of the end cover (1);

the oil-proof sealing ring (8) is movably sleeved on the rotating shaft (4); and

the hole elastic check ring (7) is movably inserted into the hole elastic check ring groove (5), and the hole elastic check ring (7) is movably sleeved on the oil-proof sealing ring (8).

2. The novel end closure structure of claim 1, wherein: an end cover sealing ring positioning groove (6) is formed in the inner wall of the end cover (1), an end cover sealing ring (3) is movably inserted in the end cover sealing ring positioning groove (6), and the end cover sealing ring (3) is movably sleeved on the rotating shaft (4).

3. The novel end closure structure of claim 2, wherein: bearing packing ring (10) are located to the movable sleeve on pivot (4), bearing packing ring (10) are located between grease proofing sealing washer (8) and pivot (4).

4. The novel end closure structure of claim 3, wherein: the end cover (1) is provided with a hollow groove (2).

5. The novel end closure structure of claim 4, wherein: the elastic check ring (7) for the hole is clamped with the oil-proof sealing ring (8).

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