阅读说明：本技术 一种eps用一体式轴叉 (Integral type shaft yoke for EPS ) 是由 叶光友 沈柏松 朱东林 陈建伟 吴似农 陈彩娃 于 2019-09-06 设计创作，主要内容包括：本发明公开了一种EPS用一体式轴叉,包括第一柱体、第二柱体、固定耳、凸条,所述第一柱体的顶部固定有两个固定耳,两个固定耳对称分布,固定耳上设有耳孔,两个耳孔位于同一轴线上,所述第一柱体的底部固定有一个第二柱体,第二柱体的侧壁上设有若干凸条,凸条的走向和第二柱体的走向相同,所述第一柱体、第二柱体、固定耳、凸条为一体式结构。本发明通过将第一柱体、第二柱体、固定耳、凸条做成一体式结构,使得轴叉结构变得更加简单,且更加牢固,便于加工。(The invention discloses an integral shaft fork for EPS (expandable polystyrene), which comprises a first cylinder body, a second cylinder body, fixing lugs and convex strips, wherein the top of the first cylinder body is fixedly provided with two fixing lugs which are symmetrically distributed, the fixing lugs are provided with lug holes, the two lug holes are positioned on the same axis, the bottom of the first cylinder body is fixedly provided with the second cylinder body, the side wall of the second cylinder body is provided with a plurality of convex strips, the trend of the convex strips is the same as that of the second cylinder body, and the first cylinder body, the second cylinder body, the fixing lugs and the convex strips are of an integral structure. According to the invention, the first cylinder, the second cylinder, the fixing lug and the convex strip are made into an integrated structure, so that the shaft fork structure is simpler, firmer and convenient to process.)

1. The utility model provides an integral type shaft yoke for EPS which characterized in that: including first cylinder (1), second cylinder (2), fixed ear (3), sand grip (20), the top of first cylinder (1) is fixed with two fixed ears (3), and two fixed ears (3) symmetric distribution are equipped with ear hole (30) on fixed ear (3), and two ear holes (30) are located the same axis, the bottom of first cylinder (1) is fixed with a second cylinder (2), is equipped with a plurality of sand grips (20) on the lateral wall of second cylinder (2), and the trend of sand grip (20) is the same with the trend of second cylinder (2), first cylinder (1), second cylinder (2), fixed ear (3), sand grip (20) formula structure as an organic whole.

2. The integrated shaft fork for EPS according to claim 1, characterized in that: the diameter of the second cylinder (2) is smaller than that of the first cylinder (1), a transition table (10) is arranged between the first cylinder (1) and the second cylinder (2), and the transition table (10) is in an inverted cone frustum shape.

3. The integrated shaft fork for EPS according to claim 1, characterized in that: the cross section of the convex strip (20) is in an isosceles trapezoid shape, and the cross section of the second column body (2) is in a gear shape.

4. The integrated shaft fork for EPS according to claim 1, characterized in that: the upper end surface of the fixing lug (3) is an arc surface concentric with the lug hole (30).

5. The integrated shaft fork for EPS according to claim 1, characterized in that: the side edges of the fixing lugs (3) which are far away from each other are provided with chamfers.

6. The integrated shaft fork for EPS according to claim 1, characterized in that: a U-shaped structure is formed by the upper end of the first column body (1) and the two fixing lugs (3), and a fillet is arranged at the joint of the fixing lugs (3) and the first column body (1).

7. The integrated shaft fork for EPS according to claim 1, characterized in that: the bottom edge of the second column body (2) is provided with a fillet.

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of universal joints, in particular to the technical field of shaft forks.

[ background of the invention ]

A universal joint is a commonly used component, which has a wide range of applications in various fields. Which are also used in the automotive field. For the convenience of driving, EPS systems in which universal joints are used, of which a yoke is a part, are sometimes used in automobiles. The existing shaft fork is often split, the structure is not stable enough, and the processing requirement is higher.

[ summary of the invention ]

The invention aims to solve the problems in the prior art and provides an integral shaft fork for EPS (expandable polystyrene), which is simple in structure, stable in structure and convenient to process.

In order to achieve the purpose, the invention provides an integral shaft fork for EPS, which comprises a first cylinder body, a second cylinder body, fixing lugs and protruding strips, wherein the top of the first cylinder body is fixedly provided with two fixing lugs which are symmetrically distributed, the fixing lugs are provided with lug holes, the two lug holes are positioned on the same axis, the bottom of the first cylinder body is fixedly provided with the second cylinder body, the side wall of the second cylinder body is provided with a plurality of protruding strips, the direction of the protruding strips is the same as that of the second cylinder body, and the first cylinder body, the second cylinder body, the fixing lugs and the protruding strips are of an integral structure.

Preferably, the diameter of the second cylinder is smaller than that of the first cylinder, a transition table is arranged between the first cylinder and the second cylinder, and the transition table is in an inverted cone frustum shape.

Preferably, the cross section of the convex strip is in an isosceles trapezoid shape, and the cross section of the second column body is in a gear shape.

Preferably, the upper end surface of the fixing lug is an arc surface concentric with the lug hole.

Preferably, the side edges of the fixing lugs facing away from each other are chamfered.

Preferably, the upper end of the first column body and the two fixing lugs form a U-shaped structure, and a fillet is arranged at the joint of the fixing lugs and the first column body.

Preferably, the bottom edge of the second column body is provided with a rounded corner.

The invention has the beneficial effects that: according to the invention, the first cylinder, the second cylinder, the fixing lug and the convex strip are made into an integrated structure, so that the shaft fork structure is simpler, firmer and convenient to process; the arrangement of the convex strips enables the shaft fork to be conveniently fixed with other parts and to be firmly fixed; the transition table enables the connection between the first column body and the second column body to be firmer.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a front view of an integrated yoke for EPS of the present invention.

In the figure: 1-a first column body, 2-a second column body, 3-a fixing lug, 10-a transition table, 20-a convex strip and 30-an ear hole.

[ detailed description ] embodiments

Referring to fig. 1, the integral shaft yoke for EPS of the present invention comprises a first cylinder 1, a second cylinder 2, two fixing lugs 3 and a protruding strip 20, wherein two fixing lugs 3 are fixed on the top of the first cylinder 1, the two fixing lugs 3 are symmetrically distributed, the fixing lugs 3 are provided with lug holes 30, the two lug holes 30 are located on the same axis, the bottom of the first cylinder 1 is fixed with the second cylinder 2, the side wall of the second cylinder 2 is provided with a plurality of protruding strips 20, the direction of the protruding strips 20 is the same as the direction of the second cylinder 2, the first cylinder 1, the second cylinder 2, the fixing lugs 3 and the protruding strips 20 are of an integral structure, the diameter of the second cylinder 2 is smaller than that of the first cylinder 1, a transition table 10 is arranged between the first cylinder 1 and the second cylinder 2, the transition table 10 is of an inverted cone shape, the cross section of the protruding strips 20 is of an isosceles trapezoid, the cross section of the second cylinder 2 is of a gear, the up end of fixed ear 3 is one with the endocentric cambered surface of earhole 30, the side edge of keeping away from the side each other of fixed ear 3 is equipped with the chamfer, a U-shaped structure is constituteed with two fixed ears 3 to 1 upper end of first cylinder, and fixed ear 3 is equipped with the radius angle with the junction of first cylinder 1, the bottom edge of second cylinder 2 is equipped with the radius angle.

The working process of the invention is as follows:

in the working process of the integrated shaft fork for EPS, the first cylinder 1, the second cylinder 2, the fixing lug 3 and the convex strip 20 are made into an integrated structure, so that the shaft fork structure is simpler, firmer and convenient to process; the arrangement of the convex strips 20 ensures that the shaft fork can be conveniently fixed with other parts and is firmly fixed; the transition table 10 is arranged to make the connection between the first column body 1 and the second column body 2 more firm.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.