CN104620005B - Universal joint Y-piece and its manufacture method - Google Patents
Universal joint Y-piece and its manufacture method Download PDFInfo
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- CN104620005B CN104620005B CN201480002326.6A CN201480002326A CN104620005B CN 104620005 B CN104620005 B CN 104620005B CN 201480002326 A CN201480002326 A CN 201480002326A CN 104620005 B CN104620005 B CN 104620005B
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- mentioned
- universal joint
- piece
- base portion
- hole
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate member
- F16D3/387—Fork construction; Mounting of fork on shaft; Adapting shaft for mounting of fork
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
- B21K1/762—Coupling members for conveying mechanical motion, e.g. universal joints
- B21K1/765—Outer elements of coupling members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K25/00—Uniting components to form integral members, e.g. turbine wheels and shafts, caulks with inserts, with or without shaping of the components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/064—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable
- F16D1/068—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable involving gluing, welding or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
- F16D1/0852—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft
- F16D1/0858—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft due to the elasticity of the hub (including shrink fits)
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Forging (AREA)
Abstract
In combined hole (14a), the press-in hole portion (21) of the end for being provided for being pressed into axle in axial pars intermedia to the other end, and axial one end arrange diameter than the press-in hole portion (21) diameter greatly and be not pressed into above-mentioned axle end non-depressed entrance bore portion (22).
Description
Technical field
The present invention relates to constitute changing for the Y-piece and its manufacture method of universal-joint-pin type universal joint (Hooks coupling universal coupling)
Enter, the universal-joint-pin type universal joint can transmit torque for the rotary shaft for constituting transfer is connected to each other to.
Background technology
The transfer of automobile is constituted as shown in Figure 11.The action of the steering wheel 1 of operator is via steering spindle
2nd, universal joint 3a, jackshaft 4, other universal joints 3b are transmitted to the input shaft 6 of tooth sector unit 5.And be configured to, profit
With the pinion and rack of tooth sector unit 5 being built in come push-and-pull pair of right and left drag link 7,7, and turn to behaviour a pair to the left and right
Vertical wheel gives appropriate steering angle corresponding with the operational ton of steering wheel 1.
As universal joint 3a, 3b for being arranged at such transfer, it is however generally that, widely use the illustrated tables of Figure 12
Universal-joint-pin type universal joint showing, being referred to as Hooks coupling universal coupling.Universal joint 3a, 3b possess a pair of Y-pieces 8a, 8b respectively
(8c, 8d), and by the cross axle 9 the to swing leading section of a pair of Y-piece 8a, 8b (8c, 8d) connected to each other.One fork
The base portion of shape part 8a (8c) it can transmit torque in the way of the male axle 10 as solid shafting for being constituted jackshaft 4 rearward end
(as the leading section of the female axle 11 of hollow shaft) combines and fixes.The base portion of another Y-piece 8b (8d) is can transmit torque
Mode is combined in the leading section (rearward end of input shaft 6) of steering spindle 2 and is fixed.Jackshaft 4 is by can transmit torque and energy
The mode of enough axially opposed displacements combines male axle 10 and female axle 11 is formed.
Figure 13 is denoted as constituting Y-piece 8a, 8c of universal joint 3a, 3b and can using, be referred to as indulging into formula
Y-piece conventional construction first case.As described in 1 grade of patent document in the past it is known that, by steel plate
Implement to include the punch process of punch press process and bending machining Deng metallic sheet material, or by metal materials such as steel poles
Material implements forging processing, punch press process, carrys out the Y-piece 8e shown in integrally manufactured Figure 13.Such Y-piece 8e possesses base portion
12nd, and a pair of arms 13,13.Base portion 12 is formed as approximate annular shape, in radial center portion with (Figure 13's is upper and lower vertically
Direction) combined hole 14 that formed.Combined hole 14 is the circular hole that inner peripheral surface is formed as simple barrel surface, or in such circle
The inner peripheral surface in hole forms the sawtooth hole of concavity sawtooth.Arm 13,13 is with two that become diametrically opposite side from base portion 12
The position state prominent to axial one side (upside of Figure 13) extension is arranged.In the leading section of arm 13,13, phase is respectively formed with
Mutual concentric circular hole 15,15.In the state of universal-joint-pin type universal joint is assembled with, in circular hole 15,15, embed respectively and fix
The bearing cup 16,16 (with reference to Figure 12) of bottomed cylindrical.Also, in bearing cup 16,16, respectively via a plurality of needles shape thing 17,
17 ends for being capable of free rotation ground supporting cross axle 9 (with reference to Figure 12).The medial surface and base portion of mutually opposing arm 13,13
12 axial single side face is smoothly continuous by concave curved surface respectively.
When the base portion 12 in Y-piece 8e as described above is with reference to the axle for making cylindric or circular tube shaped of jackshaft etc.
In the case of 18 end, first, the end of axle 18 is pressed into the combined hole 14 (embedding in an interference fit) of base portion 12.
Additionally, in the case where combined hole 14 is sawtooth hole, forming convex sawtooth in the end outer peripheral face of axle 18.And, with press-in,
So that convex sawtooth is engaged with sawtooth hole with having the magnitude of interference.Next, by the axial another side to base portion 12 (Figure 13's
Downside) and the corner enforcement welding between the outer peripheral face of axle 18, welding metal 19 is set up between two sides.As a result,
Become the state that the base portion 12 in Y-piece 8e is fixed with the end of axle 18 in the way of it can transmit torque.
Figure 14 represents the second case for indulging the conventional construction into formula Y-piece.The Y-piece 8f's of the second case of construction in the past
In the case of, in base portion 12a, in peripheral part of axial the other end of combined hole 14, it is provided with the axial direction with close combined hole 14
The prominent ring portion 20 that peripheral part of the other end is compared, the wall thickness of radial direction diminishes.And, with the outer peripheral face in prominent ring portion 20
And the state of welding metal 19 between the outer peripheral face of front end face and axle 18, is set up, prominent ring portion 20 and axle 18 are welded.
In the case of the second case of such conventional construction, when above-mentioned welding is carried out, heating can be concentrated to project
Ring portion 20 (heat for putting on prominent ring portion 20 can be made to be difficult to the axial pars intermedia side dispersion to base portion 12a).Therefore, it is possible to
Increase the penetration amount of the outer peripheral face and front end face of prominent ring portion 20, so as to correspondingly it is easy to ensure that the intensity of weld part.
In the case of above-mentioned each conventional construction, using the 14 overall press-in as the end for being used to be pressed into axle 18 of combined hole
Hole portion.In the skin section of such combined hole 14, with the end of press-in axle 18, larger circumferential stress (circumferencial direction is produced
Tensile stress).On the other hand, in the axial single side face as base portion 12 (12a) and the continuous portion of the inner peripheral surface of combined hole 14
Combined hole 14 one end open circumference (the P portions of Figure 13, Figure 14), when in the state of universal-joint-pin type universal joint is assembled with
Torque transmission is carried out, is produced due to the stress concentration reversed.That is, in the case of above-mentioned each conventional construction,
The one end open circumference (P portions) of combined hole 14, it is overlapped produce with the larger circumferential stress that causes of press-in and due to
The stress concentration of torsion, so as to the maximum of stress becomes big.Therefore, in order to ensure the design of the intensity of base portion 12 (12a) becomes difficult.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2013-24369 publications
The content of the invention
Invent problem to be solved
The present invention be in view of the above circumstances and be used to realizing the following configuration that and its manufacture method invention, i.e. will be with
The end of axle is pressed in combined hole and the skin section in the press-in hole portion of combined hole produces larger circumferential stress and in torque
The universal joint Y-piece conduct due to the stress concentration reversed is produced in the one end open circumference of combined hole during transmission
Object, easily can be carried out for guaranteeing the design of intensity.
For solving the scheme of problem
The above-mentioned purpose of the present invention is realized by following structures.
(1) a kind of universal joint Y-piece, possesses：
Base portion, which is formed as ring-type, and has the combined hole being axially formed in radial center portion；And
A pair of arms, which is using the state stretched out to axial one side as two positions of diametrically opposite side from above-mentioned base portion
Arrange,
In above-mentioned universal joint Y-piece,
Above-mentioned combined hole is configured to, and at least axial pars intermedia in axial pars intermedia to the other end is used as being pressed into axle
End press-in hole portion, also, using vertically with above-mentioned press-in hole portion adjoin axial one end as diameter than above-mentioned pressure
The diameter of entrance bore portion is big and is not pressed into the non-depressed entrance bore portion of the end of above-mentioned axle.
(2) the universal joint Y-piece according to described in (1), welds to above-mentioned base portion and above-mentioned axle.
(3) according to the universal joint Y-piece described in (1) or (2), above-mentioned non-depressed entrance bore portion inner peripheral surface with
The continuous portion of the axial single side face of above-mentioned base portion is provided with chamfered section.
(4) the universal joint Y-piece according to described in any one of (1)～(3), in above-mentioned base portion, in above-mentioned combination
Peripheral part of the axial the other end in hole, is provided with prominent ring portion, and the protrusion ring portion is another with the axial direction near above-mentioned combined hole
Peripheral part of end is compared the wall thickness of radial direction and is diminished.
(5) the universal joint Y-piece according to described in (4), the wall thickness of the radial direction of above-mentioned prominent ring portion is with towards axle
Forward side and diminish.
(6) according to the universal joint Y-piece described in any one of (1)～(5), above-mentioned non-depressed entrance bore portion with it is above-mentioned
Orthogonal two positions for becoming diametrically opposite side in the mutual opposed direction of medial surface of a pair of arms, possess radially recessed respectively
Fall into and axial single side face opening in above-mentioned base portion rigid reduction recess.
(7) manufacture method of the universal joint Y-piece described in a kind of (4),
Prepare possess the non-depressed entrance bore portion use as machined surface consistent with above-mentioned non-depressed entrance bore portion in leading section outer peripheral face
The punching press metal die of machined surface, also, obtaining with for forming the substantially discoideus of above-mentioned base portion or substantially justifying
After intermediate materials of the base portion of column with thickness portion, by from above-mentioned base portion with the central portion of the axial single side face in thickness portion upwards
The inside for stating base portion thickness portion is pressed into the leading section of above-mentioned punching press metal die, by the part of the press-in with it is above-mentioned
The part that non-depressed entrance bore portion machined surface is integrated is set to above-mentioned non-depressed entrance bore portion, and makes the axially another of above-mentioned base portion thickness portion
The central portion of one side is bloated vertically, and the part for bloating is set to use for the prominent ring portion for forming above-mentioned prominent ring portion
Thickness portion.
(8) manufacture method of the universal joint Y-piece according to described in (7),
Central portion in above-mentioned base portion thickness portion forms above-mentioned press-in hole portion,
By with the formation of above-mentioned press-in hole portion, and the above-mentioned prominent ring portion central portion in thickness portion is removed, formed
Above-mentioned prominent ring portion,
The end of above-mentioned axle is pressed in above-mentioned press-in hole portion,
And above-mentioned prominent ring portion and above-mentioned axle are welded in the way of covering above-mentioned prominent ring portion.
(9) manufacture method of the universal joint Y-piece according to described in (7),
Manufacturing object is the universal joint Y-piece described in (4), and the universal joint Y-piece is in above-mentioned non-press-in
The continuous portion of the inner peripheral surface of hole portion and the axial single side face of above-mentioned base portion is provided with chamfered section, and by punch process formed it is above-mentioned fall
Corner,
In the leading section outer peripheral face of above-mentioned punching press metal die, in addition to above-mentioned non-depressed entrance bore portion machined surface, also set
There is the chamfered section machined surface as machined surface consistent with above-mentioned chamfered section,
By being used to above-mentioned base portion from the base portion for constituting above-mentioned intermediate materials with the central portion of the axial single side face in thickness portion
The inside in thickness portion is pressed into the leading section of above-mentioned punching press metal die, by the part of the press-in with above-mentioned non-press-in hole
The part that portion's machined surface is integrated is set to above-mentioned non-depressed entrance bore portion, and the part integrated with above-mentioned chamfered section machined surface is set
For above-mentioned chamfered section.
The effect of invention is as follows.
(1) in the case of the universal joint Y-piece described in, the skin section of the press-in hole portion of combined hole be with
The combined hole is pressed into the end of axle and produces the part of larger circumferential stress, the inner peripheral surface and base of the non-depressed entrance bore portion of combined hole
Continuous portion (the one end open circumference of the combined hole) between the axial single side face in portion is to work as be assembled with universal-joint-pin type universal
The part due to the stress concentration reversed is produced when torque is transmitted in the state of joint, above-mentioned skin section and above-mentioned continuous portion exist
The position being separated from each other is present.Therefore, in the case of the present invention, produced with press-in with above-mentioned each conventional construction like that larger
The part of circumferential stress compare with the overlapped construction in part produced due to the stress concentration reversed, will produce on base portion
The maximum of raw stress is suppressed to relatively low.As a result, easily can carry out for guaranteeing the design of the intensity of the base portion.
Universal joint Y-piece according to described in (2), due to welding to base portion and axle, so the base of Y-piece
The end of portion and axle becomes and is more fixedly combined fixed state.
Universal joint Y-piece according to described in (3), due to the inner peripheral surface and base of the non-depressed entrance bore portion in combined hole
Continuous portion between the axial single side face in portion is provided with chamfered section, it is possible to relax it is producing in the continuous portion, due to torsion
Stress concentration.Therefore, the maximum of the stress produced on base portion is suppressed to lower.As a result, can be more prone to carry out
For the intensity for guaranteeing the base portion and rigid design.
(4) in the case of the universal joint Y-piece described in, when base portion is combined in the end of axle, if by the axle
End press-in combined hole and set up welding metal between the outer peripheral face and front end face of the outer peripheral face and prominent ring portion of the axle
In the state of, these axles and prominent ring portion are welded, then, when the welding is carried out, the heating protrusion ring portion can be concentrated (can to make
The heat for putting on the protrusion ring portion is difficult to the axial pars intermedia side dispersion to base portion).Therefore, it is possible to increase the outer of the protrusion ring portion
The penetration amount of side face and front end face, correspondingly, it is ensured that the intensity of weld part becomes easy.
Universal joint Y-piece according to described in (5), due to prominent ring portion radial direction wall thickness with towards axially
Front and diminish, so in the state of press-in hole portion press-in has the end of axle, being prevented from acting on press-in hole portion and axle
End between the face pressure of fitting portion uprise in segment set corresponding with the axial forward end portion of prominent ring portion.
Universal joint Y-piece according to described in (6), based on the presence of a pair rigid reduction recesses, can make non-
Press-in hole portion inner peripheral surface and the axial single side face of base portion between continuous portion in, the portion beyond the two rigid reduction recesses
Rigidity reduction on the circumferencial direction for dividing.Therefore, correspondingly, when the transmission turn in the state of universal-joint-pin type universal joint is assembled with
During square, by increasing capacitance it is possible to increase the elastic deformation amount of the circumferencial direction of the part.As a result, as the part can be relaxed respectively
Point, along the circumferential direction with the part of the width both ends homophase of the base end part of a pair of arms (due to the stress for reversing
Concentration especially become four big parts) stress concentration.
The manufacture method of the universal joint Y-piece according to described in (7), by the base portion thickness from intermediate materials
The central portion of the axial single side face in portion is pressed into the leading section of punching press metal die, Neng Goutong to the base portion with the inside in thickness portion
When form non-depressed entrance bore portion and the prominent ring portion thickness portion for forming prominent ring portion.Therefore, suppress universal joint fork-shaped
The manufacturing cost of part.
The manufacture method of the universal joint Y-piece according to described in (8), when welding, can concentrate heating prominent
Go out ring portion such that it is able to increase the penetration amount of the outer peripheral face and front end face of prominent ring portion, correspondingly, it is ensured that the intensity of weld part
Become easy.
The manufacture method of the universal joint Y-piece according to described in (9), by the base portion thickness from intermediate materials
The central portion of the axial single side face in portion is pressed into the leading section of punching press metal die, Neng Goutong to the base portion with the inside in thickness portion
When formed non-depressed entrance bore portion and chamfered section, the prominent ring portion thickness portion for forming prominent ring portion.Therefore, suppress Universal connector
The manufacturing cost of head Y-piece.
Description of the drawings
Fig. 1 is the stereogram of the Y-piece of the first case for representing embodiments of the present invention.
Fig. 2 (A) is the end view drawing of the Y-piece observed from the top of (B).(B) be Y-piece sectional view.(C) be from
(B) end view drawing of the Y-piece of lower section observation.
Fig. 3 is a portions enlarged drawing of Fig. 2 (B).
Fig. 4 (A)～(C) is the sectional view of of the manufacture method that Y-piece is represented according to process sequence.
Fig. 5 is that the operation that intermediate materials shown in Fig. 4 (B) are obtained from the intermediate materials shown in Fig. 4 (A) for explanation is cutd open
View.
Fig. 6 is the partial sectional view of the state representation that the end for being fixed with axle is combined with the base portion in Y-piece.
Fig. 7 (A) is the b portions enlarged drawing of the Fig. 6 for eliminating welding metal.(B) it is related to comparative example with (A) identical
Figure.
Fig. 8 (A) is end view drawing second case, observing from the front of Y-piece for representing embodiments of the present invention.
(B) it is the c-c sectional views that eliminate arm and represent (A).
Fig. 9 (A) is the end view drawing the 3rd, observing from the front of Y-piece for representing embodiments of the present invention.
(B) it is the d-d sectional views of (A).
Figure 10 be represent the shape of chamfered section that can adopt in the case where the present invention is implemented other, and Fig. 3
Identical figure.
Figure 11 is the side view in partial cross-section of that represents conventional well-known transfer.
Figure 12 is combined with the conventional universal-joint-pin type universal joint of the Y-piece for possessing the formula of indulging at its both ends
The side view in partial cross-section of countershaft.
Figure 13 is the state representation that the end for being fixed with axle is combined with the base portion in the Y-piece of the first case of conventional construction
Partial sectional view.
Figure 14 is, and Figure 13 identical figure related to the Y-piece of the second case for constructing in the past.
Figure 15 is the major part amplification view of the 4th that represents embodiments of the present invention.
Figure 16 is the major part amplification view of the 5th that represents embodiments of the present invention.
Specific embodiment
(first case of embodiment)
Fig. 1～Fig. 7 represents the first case of embodiments of the present invention.The feature of this example is mainly in the radial direction of base portion 12b
Central part arrange combined hole 14a construction and possess such combined hole 14a Y-piece 8g manufacture method.Including
Central portion in the axial another side of base portion 12b is provided with 20 this aspect of prominent ring portion that can improve weld strength, other
Partial construction and effect are identical with the situation of the second case of the conventional construction shown in above-mentioned Figure 14, so as to omit repetition
Illustrate or briefly illustrate, below, illustrated centered on the characteristic of this example.In the following description, in fork-shaped
In the axial direction of part 8g (and its intermediate materials), one side refers to the upside in each figure of Fig. 1, Fig. 2 B, Fig. 4～Fig. 6, and opposite side is
Refer to the downside in these each figures.
In the case of the Y-piece 8g of this example, using combined hole 14a as by axial pars intermedia to the other end press
Enter the press-in hole portion 21 of the end of axle 18.Also, using relative to press-in hole portion 21 axial one end adjacent vertically as straight
Footpath is bigger than the diameter for being pressed into hole portion 21 and cannot be pressed into the non-depressed entrance bore portion 22 of the end of axle 18.Press-in hole portion 21 and non-press-in
Hole portion 22 is mutually arranged concentrically, and between press-in hole portion 21 and the axial ora terminalis of non-depressed entrance bore portion 22 is provided with ring-type
The step surface 23 of (being Round Wheel in example illustrated).Press-in hole portion 21 is second with the conventional construction shown in above-mentioned Figure 14
The 14 identical circular hole of combined hole or sawtooth hole of the composition Y-piece 8f of example.On the other hand, non-depressed entrance bore portion 22 is that inner peripheral surface is
The circular hole of simple barrel surface.(include making axial one side with the axial single side face of base portion 12b in the inner peripheral surface of non-depressed entrance bore portion 22
The medial surface of face and a pair of arms 13,13 smoothly continuous concave curved surface.) continuous portion, be provided with cuing open shown in Fig. 3 throughout complete cycle
R chamfered section 24 of the face shape local in arc-shaped.In the case of this example, R chamfered sections 24 are formed by punch process.
Next, illustrating to the manufacture method of the Y-piece 8g of this example with above-mentioned structure.In manufacture fork-shaped
In the case of part 8g, first, by implementing to include that punch press process and the punching press of bending machining add to metallic sheet materials such as steel plates
Work, or by implementing forging processing to metal materials such as steel poles, obtain the first intermediate materials 25 shown in Fig. 4 (A).
First intermediate materials 25 possess：For forming the substantially discoideus or generally cylindrical base portion thickness portion 26 of base portion 12b；
Arranged with the state prominent to axially one side extension of two positions from the diametrically opposite side for becoming base portion thickness portion 26, use
In a pair of arms thickness portion 27,27 of the difference tabular in the form of a substantially rectangular for forming a pair of arms 13,13.
After obtaining such first intermediate materials 25, next, (not shown) recessed the first intermediate materials 25 are configured at
In the state of the cavity of mould, pressed to the inside in base portion thickness portion 26 from base portion with the central portion of the axial single side face in thickness portion 26
Enter the leading section of the metal die (pressing drift) 28 of the punching press shown in Fig. 5.The front end face of punching press metal die 28 become with
The plane of axially vertical circle.Outside diameter part in the front end face of punching press metal die 28 becomes consistent with step surface 23
The machined surface 29 of the step surface as machined surface.The leading section outer peripheral face of punching press metal die 28 becomes and non-depressed entrance bore portion
The consistent non-depressed entrance bore portion machined surface 30 as machined surface of 22 inner peripheral surface, and become the work consistent with R chamfered sections 24
For the R chamfered sections machined surface 31 of machined surface.Additionally, step surface machined surface 29 and non-depressed entrance bore portion machined surface 30 are by cuing open
Convex surface of the shape local in face in arc-shaped and it is smoothly continuous.And, as described above, by by punching press metal die 28
Leading section is pressed into the inside in base portion thickness portion 26 from base portion with the central portion of the axial single side face in thickness portion 26, makes base portion
Central portion with the axial single side face in thickness portion 26 is recessed.And, (press-in punching press is with before metal die 28 for the recessed part
The part of end) in, the part integrated with step surface machined surface 29 is set to into step surface 23, will be processed with non-depressed entrance bore portion
The part that face 30 is integrated is set to non-depressed entrance bore portion 22, and the part integrated with R chamfered sections machined surface 31 is set to R chamfered sections
24.Also, the central portion of the axial another side in base portion thickness portion 26 is bloated vertically, and the part for bloating is set to
For forming the prominent ring portion thickness portion 32 of prominent ring portion 20, and it is set to the second intermediate materials 33 shown in Fig. 4 (B).
Additionally, the prominent ring portion external surface shape in thickness portion 32 is in addition to the opening portion of press-in hole portion 21, with prominent ring
The external surface shape in portion 20 is consistent.In the case of this example, in order to obtain projecting the external surface shape in ring portion thickness portion 32, recessed
In the inner surface of the mould part opposed with cavity, with the base portion opposed portion of the central portion of the axial another side in thickness portion 26
Point, it is provided with and receives recess with the inner surface consistent with the outer surface in prominent ring portion thickness portion 32.And, as described above,
It is filled in based on the thickness for making the central portion from the axial another side in base portion thickness portion 26 bloat vertically and is received in recess,
To obtain the external surface shape in prominent ring portion thickness portion as described above 32.
After obtaining the second intermediate materials as described above 33, next, by the base portion to constituting the second intermediate materials 33
With the central portion in thickness portion 26 implement punch press process, machining (will be pressed in the case that hole portion 21 is set to sawtooth hole, it is also real
It is applied to the wire pulling method to form concavity sawtooth), form press-in hole portion 21.Removed by the formation with press-in hole portion 21
The prominent ring portion central portion in thickness portion 32, forms prominent ring portion 20.Also, by arm with before thickness portion 27,27
Punch press process, machining are implemented in end, form circular hole 15,15.In addition, by implementing other rear processing as needed,
So as to complete the Y-piece 8g as shown in Fig. 4 (C).
When in the case of the end of the base portion 12b combined axiss 18 of Y-piece 8g as described above, as shown in fig. 6, first,
The end of axle 18 is pressed into into the press-in hole portion 21 of combined hole 14a.In the case where press-in hole portion 21 is sawtooth hole, at the end of axle 18
Portion's outer peripheral face forms convex sawtooth, with press-in, the convex sawtooth is engaged with sawtooth hole with having the magnitude of interference.Additionally, in pressure
In the case that entrance bore portion 21 is the circular hole that inner peripheral surface is simple barrel surface, the end outer peripheral face of axle 18 is formed as barrel surface, makes
The barrel surface is engaged with the press-in hole portion 21 being made up of circular hole with having the magnitude of interference.It is set to alternatively, it is also possible to will be pressed into hole portion 21
The end outer peripheral face of axle 18 is set to convex sawtooth, and the convex sawtooth is pressed into press-in hole portion 21 by circular hole.In addition, also may be used
Sawtooth hole is set to will be pressed into hole portion 21, the end outer peripheral face of axle 18 is set to into barrel surface, and the barrel surface is pressed into into press-in
Hole portion 21.Next, to set up welding metal between the outer peripheral face and the outer peripheral face of front end face and axle 18 of prominent ring portion 20
19 state, i.e., the capped state to project the entirety of ring portion 20, the prominent ring portion 20 of welding and axle 18.Especially, in axle 18
In the case of being hollow shaft, prominent ring portion 20 is roughly the same with the wall thickness of axle 18, and in welding, axle 18 and Y-piece 8g both sides are same
Deng melting such that it is able to improve weld strength.
In the case of this example, in combined hole 14a, will include with the axial pars intermedia of prominent 20 corresponding part of ring portion extremely
The other end is set to be pressed into hole portion 21.Also, the outer peripheral face of prominent ring portion 20 is set to the axle towards prominent ring portion 20
Side and the inclined part-conical face in direction that diameter diminishes forward.Therefore, the wall thickness (rigidity) of the radial direction of prominent ring portion 20 with
Towards axial forward end side and diminish.Therefore, in the state of the press-in press-in of hole portion 21 has the end of axle 18, it is prevented from effect
Face pressure σ of the fitting portion between press-in hole portion 21 and the end of axle 18PCorresponding with the axial forward end portion of prominent ring portion 20
Uprise in segment set.
That is, as shown in Fig. 7 (B), as the outer peripheral face of prominent ring portion 20a is set to cylindrical shape, so in prominent ring portion 20a
Radial direction wall thickness (rigidity) it is constant vertically in the case of, act on face pressure σ of fitting portionPHave with prominent ring portion 20a
Concentrate the tendency for uprising in the corresponding part in axial forward end portion (bottoms of the inlet-side end portions that is, the figure of above-mentioned press-in).With
This is relative, in the case of this example, as shown in Fig. 7 (A), due to prominent ring portion 20a radial direction wall thickness (rigidity) with towards axle
Forward side and diminish, it is possible to preventing from acting on face pressure σ of fitting portionPCorresponding with the axial forward end portion of prominent ring portion 20
Part (bottom of the figure) concentrate uprise.Therefore, in the case of this example, in the end sections near axle 18, effectively
Suppress in face pressure σPThe region of effect and face pressure σPThe shear stress that boundary member between the region not acted on applies.As a result,
Easily can carry out for guaranteeing the design of the durability of the boundary member.Such effect is in the case where axle 18 is hollow shaft
Especially favourable effect.In order to fully obtain the effect for suppressing face pressure as described above, preferably by the periphery of prominent ring portion 20
Face (part-conical face) is set as 20～70 degree of scope relative to the angle of inclination of the central shaft of prominent ring portion 20.
In the case of the universal joint Y-piece of this example for constituting as described above, the press-in hole of combined hole 14a
The skin section in portion 21 is to produce the part of larger circumferential stress with the end that axle 18 is pressed in combined hole 14a, combined hole
Continuous portion between the axial single side face of the inner peripheral surface and base portion 12b of the non-depressed entrance bore portion 22 of 14a (is provided with the portion of R chamfered sections 24
Point) it is that the portion due to the stress concentration reversed is produced when torque is transmitted in the state of universal-joint-pin type universal joint is assembled with
Point, inner peripheral surface and the base portion 12b of the non-depressed entrance bore portion 22 of the skin section and combined hole 14a of the press-in hole portion 21 of combined hole 14a
Axial single side face between continuous portion (being provided with the part of R chamfered sections 24) exist in the position that is separated from each other.Therefore, in this example
In the case of, the part of the larger circumferential stress caused with press-in is produced like that with each conventional construction described above and is produced
Compare due to the overlapped construction in the part of the stress concentration reversed, the maximum of the stress produced on base portion 12b is pressed down
It is made as relatively low.As a result, easily can carry out for guaranteeing the design of the intensity of base portion 12b.
Also, in the case of this example, due to the inner peripheral surface in non-depressed entrance bore portion 22 and base portion 12b axial single side face it
Between continuous portion be provided with R chamfered sections 24, it is possible to relax continuous portion produce due to reverse stress concentration.Separately
Outward, in the case of this example, R chamfered sections 24 are formed by punch process.Compression is given therefore, it is possible to the skin section to continuous portion
Residual stress.The generation of the damage of the cracking of stress applied when there is suppression due to use due to compressive residual stress etc.
Effect, it is possible to improving the allowable stress in continuous portion.As a result, can be more prone to carry out for guaranteeing that base portion 12b's is strong
The design of degree.
Also, in the case of this example, by the axial single side face in thickness portion 26 of the base portion from the first intermediate materials 25
Central portion to the base portion leading section of the inside in thickness portion 26 press-in punching press metal die 28, step surface can be formed simultaneously
23rd, non-depressed entrance bore portion 22, R chamfered sections 24 and prominent ring portion thickness portion 32.Therefore, suppress the system of universal joint Y-piece
Cause this.
(second case of embodiment)
Fig. 8 represents the second case of embodiments of the present invention.In the case of the Y-piece 8h of this example, combined hole is constituted
In non-depressed entrance bore portion 22a of 14b, in opposed direction (above-below direction of Fig. 8 A) mutual with the medial surface of a pair of arms 13,13
Two of orthogonal (phase place related to direction of rotation staggers per 90 degree) radial direction (Fig. 8 A, the left and right directions of Fig. 8 B) opposition side
Position, is provided with respectively as a part for non-depressed entrance bore portion 22a
The rigidity of mouth is reduced with recess 35,35.Also, in the case of this example, Y-piece 8h is also with above-mentioned embodiment
The situation identical method manufacture of one.For this purpose, in advance in the non-depressed entrance bore portion machined surface for constituting punching press metal die 28
30 and R chamfered sections machined surface 31 (with reference to Fig. 5), adding is reduced with recess 35,35 and their opening edge with rigidity
Consistent shape.Additionally, in the case where the present invention is implemented, R chamfered sections 24 also only circumferentially can be being reduced with recessed from rigidity
The part that portion 35,35 staggers is formed.In this case, only arrange R chamfered sections in part corresponding with the part that this staggers in advance to use
Machined surface 31.
According to the universal joint Y-piece of this example with structure as described above, based on rigid reduction recess 35,
35 presence, the continuous portion between the axial single side face of the inner peripheral surface and base portion 12c of non-depressed entrance bore portion 22a (are provided with R chamfered sections
24 part) in, the rigidity reduction on the circumferencial direction of the part beyond rigid reduction recess 35,35 can be made.Therefore, phase
Ying Di, when torque is transmitted in the state for being assembled with universal-joint-pin type universal joint, by increasing capacitance it is possible to increase on the circumferencial direction of the part
Elastic deformation amount.As a result, a base part, along the circumferential direction with arm 13,13 as the part can be relaxed respectively
The part of the width both ends homophase of end, especially become in big Fig. 8 A with oblique grid due to the stress concentration reversed
The stress concentration of four parts (α parts) for representing.The of the structure of other parts and effect and above-mentioned embodiment
The situation of one is identical.
(the 3rd of embodiment)
Fig. 9 represents the 3rd of embodiments of the present invention.In the case of the Y-piece 8i of this example, in a pair of arms
The width pars intermedia of the leading section of the medial surface of 13a, 13a, is respectively equipped with guiding recess 36,36.Also, make located at arm
A part (end of the front of arm 13a, 13a) for the circular hole 15,15 of the leading section of portion 13a, 13a is to guiding recess
36th, 36 opening.Thus, cross axle 9 (with reference to Figure 12) each is inserted into circular hole 15,15 easily by guiding recess 36,36
Axle portion.
Also, in the case of this example, Y-piece 8i is also with the situation identical with the first case of above-mentioned embodiment
Method is manufactured.And, forming non-depressed entrance bore portion 22 and prominent ring portion thickness portion 32 and R chamfered sections 24 (reference picture 4B)
While formed guiding recess 36,36.For this purpose, outside the advance close base end part in punching press with metal die 28 (with reference to Fig. 5)
Side face, arranges (for form guiding recess 36,36) guiding recess processing consistent with guiding recess 36,36
Face.The structure of other parts and effect are identical with the situation of the first case of above-mentioned embodiment.
Additionally, in the case where the present invention is implemented, it is also possible to relative to the Y-piece of the second case of above-mentioned embodiment
Guiding recess 36,36 is set.In this case, it is also possible to drawn with being formed with the 3rd of above-mentioned embodiment the identical method
Lead with recess 36,36.
(the 4th of embodiment)
Figure 15 represents the 4th of embodiments of the present invention.In this example, non-depressed entrance bore portion 22 is not provided with Y-piece 8e,
But the axle path cylindrical portion 40 of non-press-in portion is provided as in the end of the Y-piece 8e sides of axle 18.Using the axle path cylinder
The maximum of the stress produced on the base portion 12 of Y-piece 8e is also suppressed to relatively low by portion 40 identically with non-depressed entrance bore portion 22.
Additionally, in this example, illustrating in the universal joint fork-shaped part using the Y-piece 8e for being not provided with projecting ring portion 20 using this
The example of invention, but can also answer in the universal joint fork-shaped part using Y-piece 8g, 8h, 8i for being provided with prominent ring portion 20
With the present invention.In addition, combined hole 14 may not be circular hole, but sawtooth hole.In this case, in the end outer peripheral face shape of axle 18
Into convex sawtooth.
(the 5th of embodiment)
Figure 16 represents the 5th of embodiments of the present invention.In this example, non-depressed entrance bore portion 22 is not provided with Y-piece 8e,
But larger chamfered section 41 is set in Y-piece 8e.Using the chamfered section 41, also identically with non-depressed entrance bore portion 22 by Y-piece
The maximum of the stress produced on the base portion 12 of 8e is suppressed to relatively low.Additionally, in this example, illustrate using being not provided with projecting
In the universal joint fork-shaped part of the Y-piece 8e of ring portion 20 using the present invention example, but using being provided with prominent ring portion 20
Also can be using the present invention in the universal joint fork-shaped part of Y-piece 8g, 8h, 8i.In addition, combined hole 14 may not be circular hole,
But sawtooth hole.In this case, the end outer peripheral face in axle 18 forms convex sawtooth.
Industrial utilizability
In the case where the present invention is implemented, it is not necessary to must be in the inner peripheral surface of the non-depressed entrance bore portion of combined hole and the axle of base portion
To the continuous portion between single side face, chamfering is set.Also, in the case where chamfered section is arranged, chamfered section can also be shown in Figure 10
The linearly C chamfered sections 34 of section shape.
Also, in the case where the manufacture method of universal joint Y-piece of the present invention is implemented, for example, can also constitute
It is the punching press metal pattern of the shape using the R chamfered sections machined surface 31 (with reference to Fig. 5) for eliminating punching press metal die 28
Tool, and with above-mentioned embodiment identical method, while form non-depressed entrance bore portion 22 and prominent ring portion thickness portion 32, it
Afterwards, by using other punching presses with the punch process or machining of metal die come in other operations in continuous portion
Form chamfered section 24 (with reference to Fig. 4).
Also, in the case of the Y-piece of the manufacture present invention, reduce when Y-piece possesses chamfered section 24 and a pair of rigidity
During with recess 35,35 (with reference to Fig. 8), it is also possible to be configured to, first by using the punch process of the first punching press metal die,
And with above-mentioned embodiment identical method, simultaneously to form the non-press-in hole for being not provided with rigid reduction recess 35,35
Portion 22 and prominent ring portion thickness portion 32 (with reference to Fig. 4), afterwards, by using the punch process of the second punching press metal die,
To be formed simultaneously chamfered section 24 and rigid reduction recess 35,35.
Also, in the case of the Y-piece of the manufacture present invention, when Y-piece possesses chamfered section 24 and a pair of guiding with recessed
During portion 36,36 (with reference to Fig. 9), it is also possible to be configured to, first by using the punch process of the first punching press metal die, and with
With above-mentioned embodiment identical method, to be formed simultaneously non-depressed entrance bore portion 22 (with reference to Fig. 4) or 22a (with reference to Fig. 8)
With prominent ring portion thickness portion 32 (with reference to Fig. 4), afterwards, by using the punch process of the second punching press metal die, come same
When form chamfered section 24 and guiding recess 36,36.
In addition, in the case of the Y-piece of the manufacture present invention, reducing using when Y-piece possesses chamfered section 24, a pair of rigidity
When recess 35,35 and a pair of guiding are with recess 36,36 (with reference to Fig. 8, Fig. 9), it is also possible to be configured to, first by using first
The punch process of punching press metal die, and with above-mentioned embodiment identical method, simultaneously to be formed and be not provided with rigidity
Non-depressed entrance bore portion 22 and prominent ring portion thickness portion 32 (with reference to Fig. 4) of the reduction with recess 35,35, afterwards, by using second
The punch process of punching press metal die, simultaneously to be formed chamfered section 24, rigid reduction recess 35,35, and guiding with recessed
Portion 36,36.
Also, in the case where the present invention is implemented, prominent ring portion not have to weld gold as setting up between axle
The position of category is using, it is also possible to use only as guaranteeing the position of the axial length of combined hole.
Also, in the case where the present invention is implemented, axial the other end of combined hole may not be press-in hole portion, but
Non-depressed entrance bore portion.
The application is based on Japanese patent application 2013-147233, the Shen of on November 1st, 2013 filed in 16 days July in 2013
Japanese patent application 2013-228672 please, Japanese patent application 2014-108684 filed in 27 days Mays in 2014,2014
Filed in June 5, Japanese patent application 2014-116393, is described herein by reference and quotes its content.
The explanation of symbol
1-steering wheel, 2-steering spindle, 3a, 3b-universal joint, 4-jackshaft, 5-tooth sector unit, 6-input
Axle, 7-drag link, 8a～8i-Y-piece, 9-cross axle, 10-male axle, 11-female axle, 12,12a～12c-base portion, 13,
13a-arm, 14,14a, 14b-combined hole, 15-circular hole, 16-bearing cup, 17-spicule, 18-axle, 19-welding gold
Category, 20,20a-protrusion ring portion, 21-be pressed into hole portion, 22,22a-non-depressed entrance bore portion, 23-step surface, 24-R chamfered sections,
25-the first intermediate materials, 26-base portion thickness portion, 27-arm thickness portion, 28-punching press metal die, 29-platform
Terrace machined surface, 30-non-depressed entrance bore portion machined surface, 31-R chamfered section machined surfaces, 32-prominent ring portion thickness portion,
33-the second intermediate materials, 34-C chamfered sections, 35-rigidity reduction recess, 36-guiding recess, 40-axle path cylinder
Portion's (non-press-in portion), 41-chamfered section (non-press-in portion).
Claims (9)
1. a kind of universal joint Y-piece, possesses：
Base portion, which is formed as ring-type, and has the combined hole being axially formed in radial center portion；And
A pair of arms, which is to set from two positions as diametrically opposite side of above-mentioned base portion to the state that axial one side is stretched out
Put,
Above-mentioned universal joint Y-piece is characterised by,
Above-mentioned combined hole is configured to, and at least axial pars intermedia in axial pars intermedia to the other end is used as being pressed into the end of axle
The press-in hole portion in portion, also, using vertically with above-mentioned press-in hole portion adjoin axial one end as diameter than above-mentioned press-in hole
The diameter in portion is big and is not pressed into the non-depressed entrance bore portion of the end of above-mentioned axle,
Above-mentioned non-depressed entrance bore portion opposed direction mutual with the medial surface of above-mentioned a pair of arms it is orthogonal become diametrically opposite side
Two positions, possess the rigid reduction recess of radially depression and axial single side face opening in above-mentioned base portion respectively.
2. universal joint Y-piece according to claim 1, it is characterised in that
Above-mentioned base portion and above-mentioned axle are welded.
3. universal joint Y-piece according to claim 1, it is characterised in that
Chamfered section is provided with the continuous portion of the axial single side face of above-mentioned base portion in the inner peripheral surface of above-mentioned non-depressed entrance bore portion.
4. universal joint Y-piece according to claim 2, it is characterised in that
Chamfered section is provided with the continuous portion of the axial single side face of above-mentioned base portion in the inner peripheral surface of above-mentioned non-depressed entrance bore portion.
5. according to the universal joint Y-piece described in any one of Claims 1 to 4, it is characterised in that
In above-mentioned base portion, in peripheral part of axial the other end of above-mentioned combined hole, prominent ring portion is provided with, the protrusion ring portion
Compared with the peripheral part near axial the other end of above-mentioned combined hole, the wall thickness of radial direction diminishes.
6. universal joint Y-piece according to claim 5, it is characterised in that
The wall thickness of the radial direction of above-mentioned prominent ring portion is with diminishing towards axial forward end side.
7. a kind of manufacture method of universal joint Y-piece, which is the system of the universal joint Y-piece described in claim 5
Make method, it is characterised in that
Prepare possess the non-depressed entrance bore portion processing as machined surface consistent with above-mentioned non-depressed entrance bore portion in leading section outer peripheral face
The punching press metal die in face, also, obtaining with for forming the substantially discoideus or generally a cylindrical shape of above-mentioned base portion
Intermediate materials of the base portion with thickness portion after, by from above-mentioned base portion with the central portion of the axial single side face in thickness portion to above-mentioned base
Portion is pressed into the leading section of above-mentioned punching press metal die with the inside in thickness portion, in the part that will be pressed into above-mentioned non-press-in
The part that hole portion machined surface is integrated is set to above-mentioned non-depressed entrance bore portion, and makes the axial another side in above-mentioned base portion thickness portion
Central portion bloat vertically, and the part for bloating is set to for forming the prominent ring portion thickness portion of above-mentioned prominent ring portion.
8. the manufacture method of universal joint Y-piece according to claim 7, it is characterised in that
Central portion in above-mentioned base portion thickness portion forms above-mentioned press-in hole portion,
By with the formation of above-mentioned press-in hole portion, and the above-mentioned prominent ring portion central portion in thickness portion is removed, form above-mentioned
Prominent ring portion,
The end of above-mentioned axle is pressed in above-mentioned press-in hole portion,
And above-mentioned prominent ring portion and above-mentioned axle are welded in the way of covering above-mentioned prominent ring portion.
9. the manufacture method of universal joint Y-piece according to claim 7, it is characterised in that
Manufacturing object is the universal joint Y-piece described in claim 5, and the universal joint Y-piece is in above-mentioned non-press-in
The continuous portion of the inner peripheral surface of hole portion and the axial single side face of above-mentioned base portion is provided with chamfered section, and by punch process formed it is above-mentioned fall
Corner,
In the leading section outer peripheral face of above-mentioned punching press metal die, in addition to above-mentioned non-depressed entrance bore portion machined surface, be additionally provided with
The consistent chamfered section machined surface as machined surface of above-mentioned chamfered section,
By the central portion of the axial single side face from the base portion thickness portion for constituting above-mentioned intermediate materials to above-mentioned base portion thickness
The inside in portion is pressed into the leading section of above-mentioned punching press metal die, and being used with above-mentioned non-depressed entrance bore portion in the part that will be pressed into is added
The part that work face is integrated is set to above-mentioned non-depressed entrance bore portion, and the part integrated with above-mentioned chamfered section machined surface is set to above-mentioned
Chamfered section.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013147233 | 2013-07-16 | ||
| JP2013-147233 | 2013-07-16 | ||
| JP2013228672 | 2013-11-01 | ||
| JP2013-228672 | 2013-11-01 | ||
| JP2014-108684 | 2014-05-27 | ||
| JP2014108684 | 2014-05-27 | ||
| JP2014-116393 | 2014-06-05 | ||
| JP2014116393 | 2014-06-05 | ||
| PCT/JP2014/068079 WO2015008647A1 (en) | 2013-07-16 | 2014-07-07 | Yoke for universal joint and production method therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104620005A CN104620005A (en) | 2015-05-13 |
| CN104620005B true CN104620005B (en) | 2017-04-05 |
Family
ID=52346115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480002326.6A Active CN104620005B (en) | 2013-07-16 | 2014-07-07 | Universal joint Y-piece and its manufacture method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5910758B2 (en) |
| CN (1) | CN104620005B (en) |
| WO (1) | WO2015008647A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141051B (en) * | 2015-04-20 | 2018-06-08 | 赖传荣 | The forming method and its device of female engaging member of universal joint |
| WO2016199807A1 (en) * | 2015-06-09 | 2016-12-15 | 日本精工株式会社 | Yoke for universal joints |
| CN111545696B (en) * | 2020-05-13 | 2022-01-11 | 上海长特锻造有限公司 | Flange tube fork forging forming process and flange tube fork formed by using same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62215128A (en) * | 1986-03-13 | 1987-09-21 | Kanae Kogyo Kk | Processing of yoke in universal joint and the like |
| JP2008196650A (en) * | 2007-02-15 | 2008-08-28 | Nsk Ltd | Universal joint, steering device using it, and electric power steering device |
| JP2011161457A (en) * | 2010-02-05 | 2011-08-25 | Nsk Ltd | Method for manufacturing yoke of universal joint |
| CN102292563A (en) * | 2010-02-17 | 2011-12-21 | 日本精工株式会社 | Joint cross type universal joint yoke and method of manufacturing same |
| JP2012112509A (en) * | 2010-11-29 | 2012-06-14 | Nsk Ltd | Method and structure for coupling between shaft and yoke |
| JP2013024369A (en) * | 2011-07-25 | 2013-02-04 | Nsk Ltd | Joint part between shaft and universal joint yoke, and method for manufacturing the same |
| JP2013043521A (en) * | 2011-08-23 | 2013-03-04 | Nsk Ltd | Torque transmission apparatus for steering device |
-
2014
- 2014-07-07 CN CN201480002326.6A patent/CN104620005B/en active Active
- 2014-07-07 JP JP2014551350A patent/JP5910758B2/en active Active
- 2014-07-07 WO PCT/JP2014/068079 patent/WO2015008647A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62215128A (en) * | 1986-03-13 | 1987-09-21 | Kanae Kogyo Kk | Processing of yoke in universal joint and the like |
| JP2008196650A (en) * | 2007-02-15 | 2008-08-28 | Nsk Ltd | Universal joint, steering device using it, and electric power steering device |
| JP2011161457A (en) * | 2010-02-05 | 2011-08-25 | Nsk Ltd | Method for manufacturing yoke of universal joint |
| CN102292563A (en) * | 2010-02-17 | 2011-12-21 | 日本精工株式会社 | Joint cross type universal joint yoke and method of manufacturing same |
| JP2012112509A (en) * | 2010-11-29 | 2012-06-14 | Nsk Ltd | Method and structure for coupling between shaft and yoke |
| JP2013024369A (en) * | 2011-07-25 | 2013-02-04 | Nsk Ltd | Joint part between shaft and universal joint yoke, and method for manufacturing the same |
| JP2013043521A (en) * | 2011-08-23 | 2013-03-04 | Nsk Ltd | Torque transmission apparatus for steering device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015008647A1 (en) | 2015-01-22 |
| CN104620005A (en) | 2015-05-13 |
| JP5910758B2 (en) | 2016-04-27 |
| JPWO2015008647A1 (en) | 2017-03-02 |
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