CN208778519U - Spline housing - Google Patents

Abstract

The utility model belongs to auto parts technical field, more particularly, to a kind of spline housing.Including the first body with internal tooth, first body lower end is equipped with the second body of concentric setting, the ratio between outer diameter of the outer diameter of first body and the second body is 59.4:53.5, the ratio between internal diameter of the internal diameter of first body and the second body is 48:38, reinforcement part in a ring is equipped between first body and the second body, first body, reinforcement part and the second body are connected and are integrally formed, the ratio between axial length of the axial length of first body and the second body is 23.23:13.39, reinforcement part includes that outside is from top to bottom arranged outer vertical wall in a ring and flare skew wall and inclined inner wall and interior vertical wall in a ring is from top to bottom arranged in inside.Advantage is compared with prior art: 1, design is reasonable, sound construction.2, reliability of operation in use, has been ensured.3, safety is improved, the generation of hidden danger is prevented.

Description

Spline housing

Technical field

The utility model belongs to auto parts technical field, more particularly, to a kind of spline housing.

Background technique

Spline connection is made of spline housing and external splines.Inside and outside spline is multiple tooth part, the flower on inner periphery Key is internal spline, and the spline on outer cylinder surface is external splines.But that there is structural strengths is poor for existing spline housing.

Summary of the invention

The purpose of this utility model be in view of the above-mentioned problems, provide it is a kind of design rationally, well-set spline housing.

In order to achieve the above objectives, the utility model uses following technical proposal: this spline housing, which is characterized in that including The first body with internal tooth, the first body lower end are equipped with the second body of concentric setting, first body Outer diameter and the ratio between the outer diameter of the second body be 59.4:53.5, the internal diameter of the internal diameter of first body and the second body it Than being equipped with reinforcement part in a ring for 48:38, between first body and the second body, first body is reinforced Portion is connected and is integrally formed with the second body, and the ratio between the axial length of first body and the axial length of the second body are 23.23:13.39, the reinforcement part include that outer vertical wall in a ring and flare skew wall and interior is from top to bottom arranged in outside Inclined inner wall and interior vertical wall in a ring is from top to bottom arranged in side, and the outer diameter of the flare skew wall is from top to bottom gradually reduced Until match in the second body outer diameter, the axial length of the outer vertical wall section and the ratio between the axial length of flare oblique wall segment For 5.96:6.72, angle α is formed in the first set body between wall and flare skew wall, and the angle of angle α is 30 °, it is described Inclined inner wall and first set body in formation angle β between wall, and the angle of angle β is 60 °.

In above-mentioned spline housing, the outer vertical wall upper end is equipped with the first mistake for connecting with outer vertical wall transition Exterior angle is crossed, is equipped with the First Transition interior angle for connecting with the second body transition, the inclined inner wall in outer vertical wall lower end Upper end is equipped with the second transition interior angle for connect with the second body transition, inclined inner wall lower end equipped with for interior vertical wall Second transition exterior angle of transition connection.

In above-mentioned spline housing, the angle ratio of the First Transition exterior angle and First Transition interior angle is 1:1, described Second transition interior angle and the angle ratio at the second transition exterior angle are 0.5:2.

In above-mentioned spline housing, the external wall of the first set is parallel with wall in first set body.

In above-mentioned spline housing, the second body outer wall and parallel, described the first body of the second body inner wall Outer wall and the second body outside wall parallel.

Compared with prior art, be the advantages of this spline housing: 1, design is reasonable, sound construction.2, in use process In, ensure reliability of operation.3, safety is improved, the generation of hidden danger is prevented.

Detailed description of the invention

Fig. 1 is schematic perspective view provided by the utility model.

Fig. 2 is schematic cross-sectional view provided by the utility model.

It is internal tooth 1a, the first body 1, the second body 2, reinforcement part 3, outer vertical wall 31 and flare skew wall 32, tilted in figure Wall 33, interior vertical wall 34, angle α, First Transition exterior angle 35, First Transition interior angle 36, the second transition interior angle 37, outside the second transition Angle 38.

Specific embodiment

As shown in Figure 1, 2, this spline housing, including the first body 1 with internal tooth 1a, 1 lower end of the first body is equipped with coaxial The ratio between the outer diameter of second body 2 of heart setting, the outer diameter of the first body 1 and the second body 2 is 59.4:53.5, the first body 1 The ratio between internal diameter of internal diameter and the second body 2 be 48:38, here the internal diameter of the first body 1 between 1 tooth socket slot bottom of internal tooth away from From equipped with reinforcement part 3 in a ring, 2 phase of the first body 1, reinforcement part 3 and the second body between the first body 1 and the second body 2 It even and is integrally formed, the ratio between axial length of the axial length of the first body 1 and the second body 2 is 23.23:13.39, reinforcement part 3 include that outer vertical wall 31 in a ring and flare skew wall 32 is from top to bottom arranged and inside is from top to bottom arranged in a ring in outside Inclined inner wall 33 and interior vertical wall 34, the outer diameter of flare skew wall 32 be from top to bottom gradually reduced until in 2 outer diameter of the second body Match, the ratio between the axial length of 31 sections of outer vertical wall and 32 sections of flare skew wall of axial length are 5.96:6.72, the first body Form angle α between 1 inner wall and flare skew wall 32, and the angle of angle α is 30 °, inclined inner wall 33 and 1 inner wall of the first body it Between formation angle β, and the angle of angle β be 60 °；The lower end of internal tooth 1a is linked together formula in inclined inner wall 33 with setting Structure.

More specifically, outer 31 upper end of vertical wall is equipped with the First Transition exterior angle for connecting with outer 31 transition of vertical wall 35, the First Transition interior angle 36 for connecting with 2 transition of the second body, 33 upper end of inclined inner wall are equipped in outer 31 lower end of vertical wall Equipped with the second transition interior angle 37 for being connect with 2 transition of the second body, 33 lower end of inclined inner wall be equipped with for it is interior vertical Second transition exterior angle 38 of 34 transition of wall connection；The angle ratio of First Transition exterior angle 35 and First Transition interior angle 36 is 1:1, second Transition interior angle 37 and the angle ratio at the second transition exterior angle 38 are 0.5:2；First body, 1 outer wall and 1 inner wall of the first body are parallel；The Two bodies, 2 outer wall and 2 inner wall of the second body are parallel, 2 outside wall parallel of 1 outer wall of the first body and the second body.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Although internal tooth 1a, the first body 1, the second body 2, reinforcement part 3, outer vertical wall 31 and outer is used more herein The terms such as inclined wall 32, inclined inner wall 33, interior vertical wall 34, angle α, the second transition interior angle 37, the second transition exterior angle 38, but simultaneously A possibility that being not excluded for using other terms.The use of these items is only for be more convenient to describe and explain the utility model Essence, it is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.

Claims (5)

1. a kind of spline housing, which is characterized in that including the first body (1) with internal tooth (1a), under first body (1) End is equipped with the second body (2) of concentric setting, the outer diameter of first body (1) and the ratio between the outer diameter of the second body (2) For 59.4:53.5, the ratio between internal diameter and the internal diameter of the second body (2) of first body (1) are 48:38, described first It is equipped with reinforcement part (3) in a ring between body (1) and the second body (2), first body (1), reinforcement part (3) and the Two bodies (2) are connected and are integrally formed, the axial length of the axial length of first body (1) and the second body (2) it Than for 23.23:13.39, the reinforcement part (3) includes that outer vertical wall (31) and flare in a ring is from top to bottom arranged in outside Inclined inner wall (33) and interior vertical wall (34) in a ring, the flare skew wall is from top to bottom arranged in skew wall (32) and inside (32) outer diameter is from top to bottom gradually reduced up to matching in the second body (2) outer diameter, described outer vertical wall (31) section The ratio between axial length and the axial length of flare skew wall (32) section are 5.96:6.72, the first body (1) inner wall and flare Angle α is formed between skew wall (32), and the angle of angle α is 30 °, the inclined inner wall (33) and the first body (1) inner wall Between formation angle β, and the angle of angle β be 60 °.

2. spline housing according to claim 1, which is characterized in that outer vertical wall (31) upper end be equipped with for it is outer Vertical wall (31) transition connection First Transition exterior angle (35), outer vertical wall (31) lower end be equipped with for the second body (2) The First Transition interior angle (36) of transition connection, the inclined inner wall (33) upper end are equipped with for connecting with (2) transition of the second body The the second transition interior angle (37) connect is equipped with the second mistake for connecting with interior vertical wall (34) transition in inclined inner wall (33) lower end Cross exterior angle (38).

3. spline housing according to claim 2, which is characterized in that in the First Transition exterior angle (35) and First Transition The angle ratio at angle (36) is 1:1, and the angle ratio at the second transition interior angle (37) and the second transition exterior angle (38) is 0.5:2.

4. spline housing according to claim 1, which is characterized in that the first body (1) outer wall and the first body (1) Inner wall is parallel.

5. spline housing according to claim 4, which is characterized in that the second body (2) outer wall and the second body (2) Inner wall is parallel, the first body (1) outer wall and the second body (2) outside wall parallel.