CN210423415U - Oil-containing bearing for mobile phone vibration motor - Google Patents

Abstract

The utility model relates to the technical field of bearings, and discloses an oil-retaining bearing for a mobile phone vibration motor, which comprises a bearing body, wherein the bearing body is cylindrical, the diameter of the bearing body is 1.6mm, the height of the bearing body is 1mm, a shaft center hole is arranged in the center of the bearing body, the diameter of the shaft center hole is 0.6mm, and shaft center hole chamfers matched with the mobile phone vibration motor are arranged at two ends of the shaft center hole; the shaft of the bearing body is provided with at least one imprint matched with the mass block, the depth of the imprint is 0.08mm, and the cross section area of the imprint is in the shape of an isosceles trapezoid with a wide upper part and a narrow lower part; both ends of the bearing body are provided with column body chamfers matched with the mass blocks. When the mobile phone falls or receives impact force, the bearing is not easy to fall off.

Description

Oil-containing bearing for mobile phone vibration motor

Technical Field

The utility model relates to a bearing technical field, in particular to an oiliness bearing for cell-phone vibrating motor.

Background

A mobile phone, also known as a mobile phone, can be held in the hand. In the early days, the mobile phone terminal was also commonly known as Dage and can be used in a wide range. The mobile phone has a vibration function, and the mobile phone vibration motor is a power device of the mobile phone vibration module and is an important part in the mobile phone vibration device. The bearing of the vibration motor of the mobile phone is generally installed and fixed in the middle of the mass block, and the vibration motor is installed on the bearing and matched with the bearing. The bearing is easy to fall off from the mass block, firstly, the bearing can be influenced by the work of the motor, and secondly, the bearing can fall off when the mobile phone falls down or receives impact force, so that the function of the mobile phone is damaged, and the use of the mobile phone is influenced. Therefore, a bearing which is not easy to fall off and used for a vibration motor of the mobile phone is needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an oiliness bearing for cell-phone vibrating motor, when the cell-phone fell or received the impact force, this bearing was difficult for droing.

In order to solve the technical problem, the utility model discloses a technical scheme does:

an oil-retaining bearing for a mobile phone vibration motor comprises a bearing body, wherein the bearing body is cylindrical, the diameter of the bearing body is 1.6mm, the height of the bearing body is 1mm, a shaft center hole is formed in the center of the bearing body, the diameter of the shaft center hole is 0.6mm, and shaft center hole chamfers matched with the mobile phone vibration motor are arranged at two ends of the shaft center hole; an engraving mark matched with the mass block is arranged on the column body of the bearing body, the engraving mark is not less than one, the depth of the engraving mark is 0.08mm, and the cross section area of the engraving mark is in the shape of an isosceles trapezoid with a wide upper part and a narrow lower part; and column body chamfers matched with the mass blocks are arranged at two ends of the bearing body.

Further, the chamfer size of the shaft center hole chamfer is C0.1, and the chamfer size of the column shaft chamfer is C0.1.

Further, the stamp comprises an opening surface and a lower bottom surface, the area of the opening surface is larger than that of the lower bottom surface, the opening surface is rectangular, the long edge of the opening surface is 0.35mm, and the wide edge of the opening surface is 0.2 mm; four trapezoidal surfaces are formed between the opening surface and the lower bottom surface.

Further, the stamp mark is arranged in the middle of the shaft of the bearing body.

Further, there are 6 imprints.

Compared with the prior art, the utility model discloses an oil-containing bearing for cell-phone vibrating motor, back in the quality piece is installed to the bearing, because be provided with the stamp mark on the shaft of bearing, the cross-sectional area of stamp mark is wide isosceles trapezoid's shape narrow down, and the degree of depth of stamp mark is 0.08mm, and this stamp mark cooperates with the quality piece, can prevent that the bearing from coming off from the quality piece, increases to take off and exert oneself. Glue is coated on the periphery of the column body of the bearing, so that the stability between the bearing and the mass block can be enhanced, and the bearing is prevented from falling off from the mass block when the mobile phone falls.

Drawings

FIG. 1 is a top view of an oil bearing for a vibration motor of a mobile phone according to the present invention;

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

FIG. 3 is a left side view of an oil bearing for a vibration motor of a mobile phone according to the present invention;

fig. 4 is a partially enlarged view of fig. 3 at B.

In the figure: 1 bearing body, 2 axle center holes, 3 axle center hole chamfers, 4 imprints, 41 opening surfaces, 411 long edges, 412 wide edges, 42 lower bottom surfaces and 5 column shaft chamfers.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

As shown in fig. 1-4, the utility model discloses an oiliness bearing for cell-phone shock motor, including bearing body 1, bearing body 1 is cylindrical, and bearing body 1's diameter is 1.6mm, and bearing body 1's height is 1mm, is provided with axle center hole 2 in bearing body 1's the center, and axle center hole 2's diameter is 0.6 mm.

An imprint 4 matched with the mass block is arranged on the column body of the bearing body 1, and the imprint 4 is arranged in the middle of the column body of the bearing body 1; one, preferred is no less than to carve seal 4, the utility model discloses an carve seal 4 on the bearing is provided with 6, and this 6 carve seal evenly distributed is on bearing body 1's shaft.

The depth of the stamp 4 is 0.08mm, and the cross-sectional area of the stamp 4 is in the shape of an isosceles trapezoid with a wide upper part and a narrow lower part.

Specifically, the stamp 4 includes an opening surface 41 and a lower bottom surface 42, the area of the opening surface 41 is larger than that of the lower bottom surface 42, the opening surface 41 is rectangular, the long side 411 of the opening surface 41 is 0.35mm, and the wide side 412 of the opening surface 41 is 0.2 mm; four trapezoidal surfaces are formed between the opening surface 41 and the lower bottom surface 42.

Specifically, shaft center hole chamfers 3 matched with a mobile phone vibration motor are arranged at two ends of a shaft center hole 2, and column shaft chamfers 5 matched with a mass block are arranged at two ends of a bearing body 1; the chamfer size of the shaft center hole chamfer 3 is C0.1, and the chamfer size of the column shaft chamfer 5 is C0.1.

The utility model discloses a principle and advantage: the utility model discloses a bearing is the oiliness bearing, and after the bearing processing had been good, bearing itself contained the micropore, so, after the bearing evacuation, lubricating oil will ooze into the bearing body, made whole bearing all oiliness. The oil-retaining bearing has the characteristics of low cost, vibration absorption, low noise, no need of adding lubricating oil and the like in a longer working time, and is particularly suitable for a working environment which is not easy to lubricate or is not allowed to be polluted by oil.

The bearing of the mobile phone vibration motor is installed and fixed in the middle of the mass block, the vibration motor is installed on the bearing and matched with the bearing, the bearing is easy to fall off from the mass block, firstly, the bearing can be influenced by the work of the motor, and secondly, the bearing can also fall off when the mobile phone falls off or is impacted. Therefore, the seal 4 is arranged on the column body of the bearing, and the cross section area of the seal 4 is in an isosceles trapezoid shape with a wide upper part and a narrow lower part, so that the convex structure in the mass block is easy to be clamped on the seal 4; the depth of the imprint 4 is 0.08mm, which effectively secures the bearing in the mass without affecting the load performance of the bearing. The stamp 4 is matched with the mass block, so that the bearing can be prevented from falling off from the mass block, and the release force is increased. Before the bearing is installed, glue is coated on the periphery of the column body of the bearing, so that the stability between the bearing and the mass block can be enhanced, and when the mobile phone is prevented from falling, the bearing of the vibration motor falls off from the mass block, so that the bearing has better anti-falling performance.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. 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. Furthermore, 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 (5)

1. The utility model provides an oiliness bearing for cell-phone vibrations motor, includes bearing body (1), its characterized in that: the bearing body (1) is cylindrical, the diameter of the bearing body (1) is 1.6mm, the height of the bearing body (1) is 1mm, a shaft center hole (2) is formed in the center of the bearing body (1), the diameter of the shaft center hole (2) is 0.6mm, and shaft center hole chamfers (3) matched with a mobile phone vibration motor are arranged at two ends of the shaft center hole (2);

an imprint (4) matched with the mass block is arranged on a column body of the bearing body (1), the number of the imprints (4) is not less than one, the depth of each imprint (4) is 0.08mm, and the cross section area of each imprint (4) is in the shape of an isosceles trapezoid with a wide upper part and a narrow lower part;

both ends of the bearing body (1) are provided with column shaft chamfers (5) matched with the mass blocks.

2. The oil-impregnated bearing for a vibration motor of a cellular phone according to claim 1, wherein: the shaft center hole chamfer (3) is of a chamfer size of C0.1, and the column body chamfer (5) is of a chamfer size of C0.1.

3. The oil-impregnated bearing for a vibration motor of a cellular phone according to claim 1, wherein: the stamp (4) comprises an opening surface (41) and a lower bottom surface (42), the area of the opening surface (41) is larger than that of the lower bottom surface (42), the opening surface (41) is rectangular, the long side (411) of the opening surface (41) is 0.35mm, and the wide side (412) of the opening surface (41) is 0.2 mm; four trapezoidal surfaces are formed between the opening surface (41) and the lower bottom surface (42).

4. The oil-impregnated bearing for a vibration motor of a cellular phone according to claim 1, wherein: the engraving (4) is arranged in the middle of the column body of the bearing body (1).

5. An oil-impregnated bearing for a vibration motor of a cellular phone according to any one of claims 1 to 4, wherein: the number of the imprints (4) is 6.

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