KR200488838Y1 - Yokes of universal joint - Google Patents

Yokes of universal joint Download PDF

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Publication number
KR200488838Y1
KR200488838Y1 KR2020150008661U KR20150008661U KR200488838Y1 KR 200488838 Y1 KR200488838 Y1 KR 200488838Y1 KR 2020150008661 U KR2020150008661 U KR 2020150008661U KR 20150008661 U KR20150008661 U KR 20150008661U KR 200488838 Y1 KR200488838 Y1 KR 200488838Y1
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KR
South Korea
Prior art keywords
bearing
coupling
universal joint
yoke
hole
Prior art date
Application number
KR2020150008661U
Other languages
Korean (ko)
Other versions
KR20170002520U (en
Inventor
홍성종
김영삼
김진우
Original Assignee
남양넥스모 (주)
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Publication date
Application filed by 남양넥스모 (주) filed Critical 남양넥스모 (주)
Priority to KR2020150008661U priority Critical patent/KR200488838Y1/en
Publication of KR20170002520U publication Critical patent/KR20170002520U/en
Application granted granted Critical
Publication of KR200488838Y1 publication Critical patent/KR200488838Y1/en

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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
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting Of Bearings Or Others (AREA)

Abstract

The present invention relates to a yoke for a universal joint, in which a shaft coupling groove is formed on one side and a coupling portion having a coupling hole for fixing a bearing end in the same line as a bearing insertion groove into which a cross bearing is inserted is integrally formed And two or more positioning guide grooves may be formed on the outer surface of the coupling portion where the coupling hole is formed, in order to guide the position of the caulking punch used when inserting the fixing hole mounted on the coupling hole after mounting the bearing.
According to the embodiment of the present invention, not only is it possible to accurately insert the fastener into the connection hole formed in the yoke of the universal joint by a specified position, but also to reduce the consumption amount of the caulking punch and the clearance in the rotation direction of the universal joint.

Description

Yokes for universal joints {Yokes of universal joint}

The present invention relates to a yoke for a universal joint, and more particularly, to a yoke for a universal joint in which a fastener can be easily caulked after a bearing is inserted into a connecting hole of a universal joint yoke.

In general, the universal joint is installed to be tilted at an arbitrary angle and is capable of transmitting a rotational force therebetween. The universal joint includes two yoke joints, And a slip joint which is connected to the yoke joint to connect the other end of the yoke joint to the other end of the yoke joint,

1 shows a conventional universal joint in which a pair of yokes 10 having U-shaped connecting portions 11 are connected to each other by a connecting link 20 having a U-shape.

A connecting hole 12 is formed in the connecting portion 11 of the yoke 10 so that the ends of the connecting link 20 are connected to each other. (13).

At this time, most of the bearings 13 are press-fitted with the needle bearings, and a fixing protrusion for preventing the bearing 13 from separating is formed by caulking around the yoke connecting hole 12 into which the bearing 13 is inserted. do.

The method of coupling the bearing 13 to the connection hole 12 formed in the yoke 10 of the universal joint is such that after the yoke 10 is mounted on the tricuspid, The bearing 13 is inserted through a tool such as a hammer and inserted into the connection hole 12 of the yoke 10 and then the connection of the yoke 10 into which the bearing 13 is inserted The bearing 13 is caulked to the coupling hole 12 of the yoke 10 by caulking the periphery of the ball 12 with a roll-revving machine.

However, in the conventional universal joint, after the bearing 13 is press-fitted into the connection hole 12 of the yoke 10, the fixing protrusion is damaged when caulking around the connection hole 12 in which the bearing 13 is inserted There is a problem in that it takes a long time to insert it correctly at the designated position.

Korea Patent Publication No. 2012-084949

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to make it possible to precisely insert and fix a fixture in a connection hole formed in a yoke of a universal joint by a specified position.

The yoke for a universal joint according to an embodiment of the present invention is integrally formed with a coupling portion having a shaft coupling groove on one side and a coupling hole for fixing a bearing end on the same line as a bearing insertion groove for inserting a cross- At least two position guiding grooves may be formed on the outer surface of the coupling portion formed with the coupling hole so as to guide the position of the caulking punch used when inserting the fixing member mounted on the coupling hole after mounting the bearing.

A cushioning member may be mounted on the inner surface of the position guide groove to prevent the caulking punch from being fixed and the outer surface of the cushion punch from being damaged. A finish cover may be detachably mounted on the position guide groove.

Further, the caulking punch includes a pressing surface on which a position fixing protrusion is formed at an edge portion corresponding to the position guiding groove, and a pressing portion for pressing the fixing hole to insert the fixing hole into the connecting hole is protruded and formed on the opposite side of the pressing surface The tool engagement surface coupled with the tool can be integrally formed.

According to the embodiment of the present invention, not only is it possible to accurately insert the fastener into the connection hole formed in the yoke of the universal joint by a specified position, but also to reduce the consumption amount of the caulking punch and the clearance in the rotation direction of the universal joint.

1 shows a conventional universal joint;
2 is a view showing an embodiment of a yoke for a universal joint according to the present invention;
3 is an enlarged view of a yoke for a universal joint according to the present invention;
4 and 5 are views showing another embodiment of a yoke for a universal joint according to the present invention;
6 (a) and 6 (b) are a plan view and a front view showing a caulking punch used in a yoke for a universal joint according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. Like parts are designated with like reference numerals throughout the specification.

FIG. 2 is a view showing an embodiment of a yoke for a universal joint according to the present invention, and FIG. 3 is an enlarged view showing a yoke for a universal joint according to the present invention And FIGS. 4 and 5 are views showing another embodiment of the yoke for a universal joint according to the present invention.

The yoke 100 for a universal joint according to the present invention has a shaft coupling groove 110 formed on one side and a bearing insertion groove 120 through which a cross bearing 200 is inserted, The positioning guide groove 150 is spaced apart from the outer surface 132 of the coupling part 130 where the connection hole 140 is formed, Respectively.

That is, the yoke 100 for a universal joint has a shaft coupling groove 110 formed on one side and a bearing insertion groove 120 having a U-shaped shape, a connection hole 140, and a position guide groove 150 And the formed coupling part 130 are integrally formed.

The positioning guide groove 150 is formed in the caulking punch (not shown) used for inserting the fixture 300 to be mounted on the connection hole 140 after the bearing 200 mounted on the same line is mounted on the bearing insertion groove 120 400).

That is, the position guide groove 150 guides and guides the position of the caulking punch 400 used when inserting the fixture 300 mounted on the connection hole 140, So that it can be mounted.

Here, the number of the position guide grooves 150 is not limited to three as shown in the drawing, and the shape of the position guide grooves 150 may be variously formed according to environments, purposes, and the like.

Next, the positioning guide groove 150 may be formed as shown in the drawing.

4 shows an example in which the buffer member 510 can be mounted on the inner surface of the guide groove 150 in order to prevent the fixing of the caulking punch 400 and damage to the outer surface.

That is, the positioning guide groove 150 is mounted on the inner surface of the cushion punch 400 with a cushioning member 510 formed of rubber or silicone to closely fix the positioning guide protrusion and prevent the positioning guide groove 150 from being damaged To be able to do.

5 shows an example in which the finishing cover 520 is detachably mounted.

That is, the position guide groove 150 can block foreign matter from flowing into the connection hole 140 of the engaging part 130 through the position detecting groove 150 after inserting the fixture 300 through the finish cover 520 .

The caulking punch 400 that presses and fixes the fixture 300 to the connection hole 140 of the coupling part 130 has a position fixing protrusion 420 protruding from a corresponding edge of the positioning guide groove 150 A pressing surface 410 protruding from the pressing portion 430 for pressing the fixture 300 to be inserted into the connection hole 130 is formed at the center and a tool 410 formed on the opposite side of the pressing surface 410, The engaging surface 440 is integrally formed.

It is noted that the shape and the size of the position fixing protrusion 420 of the caulking punch 400 and the shape and depth of the pressing portion 430 may vary according to the connection hole 140 of the coupling portion 130.

That is, the caulking punch 400 aligns the position fixing protrusion 420 with the positioning guide groove 150 of the engaging part 130 and then presses the pressing part 430 And the fixture 300 is fixedly attached to the connection hole 140 of the engagement portion 130 by pressing the fixture 300.

It is noted that the pressing portion 430 may be formed at the same height or more protruding than the position fixing protrusion 420.

Hereinafter, a yoke for a universal joint constructed as described above will be described with reference to the drawings.

A coupling hole 140 for fixing the end of the bearing 200 in line with the bearing insertion groove 120 in which the cross-shaped bearing 200 is inserted is formed on the opposite side of the shaft coupling groove 110, And a plurality of positioning guide grooves 150 are formed on the outer surface 132 of the coupling part 130 where the coupling holes 140 are formed, (100).

The bearing 200 is inserted into the bearing insertion groove 120 while the bearing 200 is inserted into the coupling hole 140 of the coupling part 130.

The fixing member 300 is disposed on the connecting hole 140 of the coupling part 130 and the position fixing protrusion 420 of the caulking punch 400 is inserted into the positioning guide groove 150 of the coupling part 130. [ When the pressing portion 430 presses the fixing member 300 by operating a tool coupled to the tool engaging surface 440, the fixing member 300 is inserted into the connecting hole 140 of the engaging portion 130 The pressing portion 430 is fixedly mounted by the height of the pressing portion 430.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims. It should be construed as being included in the scope of the right.

100: yoke for universal joint, 110: shaft coupling groove,
120: bearing insertion groove, 130: engaging portion,
140: connecting hole, 150: positioning guide groove,
200: bearing, 300: fixture,
400: Caulking punch.

Claims (4)

And a coupling part having a coupling hole for fixing a bearing end in the same line as a bearing insertion groove into which a cross bearing is inserted is integrally formed on the opposite side of the shaft coupling groove,
Wherein at least two positioning guide grooves are formed on the outer surface of the coupling portion formed with the coupling hole so as to be spaced apart from each other in order to guide the position of the caulking punch used when inserting the fixture mounted on the coupling hole after mounting the bearing. .
The method according to claim 1,
Wherein a cushioning member is mounted on the inner surface of the position guide groove to prevent the caulking punch from being fixed and the outer surface from being damaged.
The method according to claim 1,
And a finishing cover is detachably mounted on the position guiding groove.
The method according to claim 1,
Wherein the caulking punch comprises a pressing surface on which a position fixing protrusion is formed at an edge portion corresponding to the position guiding groove and a pressing portion protruding from the center to press the fixing hole to be inserted into the connecting hole, Is formed integrally with the tool-engaging surface of the yoke.
KR2020150008661U 2015-12-31 2015-12-31 Yokes of universal joint KR200488838Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020150008661U KR200488838Y1 (en) 2015-12-31 2015-12-31 Yokes of universal joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020150008661U KR200488838Y1 (en) 2015-12-31 2015-12-31 Yokes of universal joint

Publications (2)

Publication Number Publication Date
KR20170002520U KR20170002520U (en) 2017-07-11
KR200488838Y1 true KR200488838Y1 (en) 2019-03-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102491820B1 (en) 2022-08-17 2023-01-27 김승옥 Universal Joint

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101967815B1 (en) 2018-01-31 2019-08-19 동아대학교 산학협력단 Universal joint for propeller shaft with elastic damper

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007205376A (en) 2006-01-31 2007-08-16 Showa Corp Propeller shaft
JP2014202262A (en) 2013-04-03 2014-10-27 日本精工株式会社 Joint spider type universal joint and process of manufacturing joint spider type universal joint

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101254220B1 (en) 2011-01-21 2013-04-18 (주)태현 assembling device of universal joint and assembling method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007205376A (en) 2006-01-31 2007-08-16 Showa Corp Propeller shaft
JP2014202262A (en) 2013-04-03 2014-10-27 日本精工株式会社 Joint spider type universal joint and process of manufacturing joint spider type universal joint

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102491820B1 (en) 2022-08-17 2023-01-27 김승옥 Universal Joint

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