CN210135173U - Support assembly - Google Patents

Abstract

The utility model discloses a supporting component, include, support frame (10), axle sleeve (20) and pivot (40), be equipped with supported hole (101) on support frame (10), axle sleeve (20) are connected in supported hole (101), pivot (40) are rotationally located in axle sleeve (20), axle sleeve (20) are connected through inserts injection moulding's mode in supported hole (101). This supporting component (100) joint strength is high, is difficult to take place not hard up, and the atress is more even, reduces wearing and tearing, increase of service life.

Description

Support assembly

Technical Field

The utility model relates to the field of mechanical equipment, especially, relate to a supporting component.

Background

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft, the shaft sleeve plays a role in positioning or protecting the shaft on the rotating shaft, for example, the shaft sleeve is needed to be used between the rotating shaft and the filler, and the replacement cost of the abrasion of the shaft sleeve is low; among the prior art, the surface of axle sleeve is mostly glued through the fastening and is fixed the connection with the supported hole of the support frame that links to each other with it, and this kind of connected mode axle sleeve is not hard up to drop easily, rotates the in-process axle sleeve promptly and also takes place to rotate in the pivot, leads to the axle sleeve atress inhomogeneous like this, and the wearing and tearing of axle sleeve accelerate reduce the life of axle sleeve.

Disclosure of Invention

The utility model discloses aim at solving one of the problem that above-mentioned prior art exists, provide a supporting component, this supporting component joint strength is high, is difficult to take place not hard up, and the atress is more even, reduces wearing and tearing, increase of service life.

In order to achieve the above object, the utility model provides a supporting component, include, support frame, axle sleeve and pivot, be equipped with the supported hole on the support frame, the axle sleeve is connected in the supported hole, the pivot is rotationally located in the axle sleeve, the axle sleeve passes through inserts injection moulding's mode and connects in the supported hole.

In this technical scheme, through connecting the axle sleeve in the supporting hole with inserts injection moulding's mode, the axle sleeve is difficult to take place not hard up, and the reliability is high, and the internal surface atress of axle sleeve is more even moreover, and then has reduced the wearing and tearing between axle sleeve and the pivot, has prolonged this supporting component's life.

In addition, according to the utility model discloses a supporting component can also have following technical characterstic:

furthermore, a plurality of bulges are arranged on the outer surface of the shaft sleeve, and a plurality of connecting holes corresponding to the bulges are arranged on the inner surface of the supporting hole.

Further, when the density of the plurality of protrusions is set to be 2-6 per square centimeter, the height of the protrusions is 0.5-1.5 mm.

Preferably, the plurality of protrusions are arranged in a circumferential and axial array along the sleeve.

Preferably, the protrusions are spherical structures.

Preferably, a bearing is further sleeved between the shaft sleeve and the rotating shaft.

Further, the shaft sleeve is a rubber part or a plastic part.

Preferably, the shaft sleeve is connected with the support hole through centrifugal casting.

Further, the boss includes a plurality of boss portions separated from each other.

Preferably, the boss portions are two and symmetrical to each other.

According to the utility model discloses a supporting component, its additional technical characteristics still have following technological effect: the shaft sleeve is connected with the supporting hole in a one-to-one correspondence mode of the protrusions and the connecting holes, so that the reliability is higher; the bulges are uniformly arranged, so that the shaft sleeve is more uniform when stressed, and the service life of the shaft sleeve is prolonged.

Drawings

Fig. 1 is a schematic structural view of a support assembly according to an embodiment of the present invention;

FIG. 2 is a view taken along line A of FIG. 1;

fig. 3 is a schematic view of a connection structure between an outer surface of the sleeve and a support hole in fig. 1.

Support assembly 100; a support frame 10; a support hole 101; a connection hole 102; a shaft sleeve 20; a protrusion 201; a bearing 30; a rotating shaft 40.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

According to the utility model discloses a supporting component 100, as shown in fig. 1 ~ 3, include, support frame 10, axle sleeve 20 and pivot 40, be equipped with supported hole 101 on the support frame 10, axle sleeve 20 is connected in the supported hole 101, pivot 40 rotationally locates in the axle sleeve 20, axle sleeve 20 is connected through inserts injection moulding's mode in the supported hole 101.

That is to say, through connecting the axle sleeve 20 in the support hole 101 with insert injection moulding's mode, the axle sleeve 20 is difficult to take place to become flexible, and the reliability is high, and the internal surface atress of axle sleeve 20 is more even moreover, and then has reduced the wearing and tearing between axle sleeve 20 and the pivot 40, has prolonged the life of this supporting component 100.

Further, as shown in fig. 3, the outer surface of the sleeve 20 is provided with a plurality of protrusions 201, and the inner surface of the support hole 101 is provided with a plurality of coupling holes 102 corresponding to the plurality of protrusions 201, that is, the sleeve 20 and the support hole 101 are coupled in a one-to-one correspondence manner of the protrusions 201 and the coupling holes 102, which is more reliable.

Further, when the density of the plurality of protrusions 201 is set to 2 to 6 per square centimeter, the height of the protrusions 201 is 0.5 to 1.5mm, in other words, when 2 to 6 protrusions 201 are set per square centimeter on the outer surface of the sleeve 20 and the height of each protrusion 201 is 0.5 to 1.5mm through trial and error, the reliability of the connection between the sleeve 20 and the support hole 101 is the best. The service life is longer. Preferably, the protrusion 201 has a spherical structure.

Preferably, the plurality of protrusions 201 are arranged in an array along the circumferential direction and the axial direction of the shaft sleeve 20, and the uniform arrangement of the protrusions 201 can make the shaft sleeve 20 more uniform when stressed, thereby prolonging the service life of the shaft sleeve.

Preferably, as shown in fig. 1 and 2, a bearing 30 is further sleeved between the shaft sleeve 20 and the rotating shaft 40, and the wear of the rotating shaft 40 can be further reduced by providing the bearing 30 between the shaft sleeve 20 and the rotating shaft 40.

Further, the shaft sleeve 20 is a rubber part or a plastic part, that is, rubber or plastic is connected in the support hole 101 in an insert injection molding manner, and the manufacturing difficulty and the production cost of the shaft sleeve 20 can be reduced by selecting the rubber or the plastic. Preferably, the sleeve 20 is a polyetheretherketone member.

Preferably, the shaft sleeve 20 is connected with the supporting hole 101 by centrifugal casting.

Further, the shaft sleeve 20 includes a plurality of shaft sleeve portions separated from each other, that is, the shaft sleeve 20 is formed by the plurality of shaft sleeve portions separated from each other, so that the structural strength of the shaft sleeve 20 can be improved, and the service life can be prolonged; preferably, the boss portions are two and symmetrical to each other.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships for convenience of description and simplicity of description, but do not indicate or imply that the illustrated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present application, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the second feature or indirectly contacting the first and second features through intervening media.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral molding; may be a mechanical connection; they may be directly connected or indirectly connected through intervening media, or may be connected through the interconnection of two elements or through the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present disclosure, reference to the description of "one embodiment," "some embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. The utility model provides a supporting component, includes, support frame (10), axle sleeve (20) and pivot (40), be equipped with supporting hole (101) on support frame (10), axle sleeve (20) are connected in supporting hole (101), pivot (40) rotationally locate in axle sleeve (20), its characterized in that, axle sleeve (20) are connected through insert injection moulding's mode in supporting hole (101).

2. The support assembly according to claim 1, wherein the outer surface of the bushing (20) is provided with a plurality of protrusions (201), and the inner surface of the support hole (101) is provided with a plurality of coupling holes (102) corresponding to the plurality of protrusions (201).

3. The support assembly of claim 2, wherein when the plurality of protrusions (201) has a density of 2 to 6 per square centimeter, the protrusions (201) have a height of 0.5 to 1.5 mm.

4. The support assembly according to claim 2, wherein the plurality of protrusions (201) are arranged along a circumferential and axial array of the bushing (20).

5. The support assembly according to claim 2, wherein the protrusion (201) is of spherical configuration.

6. The support assembly according to claim 1, wherein a bearing (30) is further sleeved between the shaft sleeve (20) and the rotating shaft (40).

7. Support assembly according to claim 1, characterized in that said bushing (20) is a rubber or plastic piece.

8. The support assembly according to claim 1, characterized in that the connection between the bushing (20) and the support hole (101) is by means of centrifugal casting.

9. The support assembly of claim 1, wherein the bushing (20) comprises a plurality of bushing portions separated from one another.

10. The support assembly of claim 9, wherein the boss portions are two and symmetrical to each other.

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