GB2220702A - Device for retaining a housing of a ball joint - Google Patents

Device for retaining a housing of a ball joint Download PDF

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Publication number
GB2220702A
GB2220702A GB8915067A GB8915067A GB2220702A GB 2220702 A GB2220702 A GB 2220702A GB 8915067 A GB8915067 A GB 8915067A GB 8915067 A GB8915067 A GB 8915067A GB 2220702 A GB2220702 A GB 2220702A
Authority
GB
United Kingdom
Prior art keywords
ball joint
hollow cylindrical
cylindrical portion
housing
flat surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB8915067A
Other versions
GB2220702B (en
GB8915067D0 (en
Inventor
Yasunori Hamaguchi
Hironori Koga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Musashi Seimitsu Industry Co Ltd
Original Assignee
Musashi Seimitsu Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Musashi Seimitsu Industry Co Ltd filed Critical Musashi Seimitsu Industry Co Ltd
Publication of GB8915067D0 publication Critical patent/GB8915067D0/en
Publication of GB2220702A publication Critical patent/GB2220702A/en
Priority to GB9203567A priority Critical patent/GB2252595B/en
Application granted granted Critical
Publication of GB2220702B publication Critical patent/GB2220702B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0695—Mounting of ball-joints, e.g. fixing them to a connecting rod
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
    • F16C11/0623—Construction or details of the socket member
    • F16C11/0628—Construction or details of the socket member with linings
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/30—Material joints
    • F16C2226/40—Material joints with adhesive
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/05—Vehicle suspensions, e.g. bearings, pivots or connecting rods used therein

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)

Description

1 r22,2-07 02 DEVICE FOR RETAINING A HOUSING OF A BALL JOINT The present
invention relates to a device for securely retaining a housing of a ball joint to an arm of a suspension system of an automotive vehicle or the like and more particularly a device for retaining a housing of a ball joint which can improve the sealing capability at the joint between a housing of a ball joint and an arm and prevent the housing of the ball joint from disconnecting from the suspension arm.
In order to create a joint between a housing of a ball joint and an arm, a housing in the form of a cylinder is fitted into a hollow cylindrical portion formed through the arm. The housing has a radially outwardly extending annular flange projected from the outer peripheral surface of the housing. A flat surface portion is integrally connected in the direction perpendicular to the axis of the hollow cylindrical portion to one end thereof. The housing is fitted into the hollow cylindrical portion of the arm and when the outwardly extended portion abuts against the flat surface portion of the arm, the position of the housing is determined.
When the housing is fitted into the hollow cylindrical portion of the arm, the degree of tightness of fit must be increased.
Generally, the arm is made of rather thin sheet metal and the hollow cylindrical portion is defined by' burring sheet metal so that it is difficult to increase a degree of tightness of fit between the housing and then hollow cylindrical portion.
When a degree of tightness of it is low; that is, in the case of a loose fit, fretting results on the outer peripheral surface of the housing and the inner peripheral surface of the hollow cylindrical portion which are made into contact with each other and furthermore, abnormal vibrations of a suspension system 2 occurs. Moreover, water or the like tends to intrude into the space between the inner spherical surface of the hollow cylindrical portion and the outer peripheral surface of the housing to cause rust.
Furthermore, the strength of contact between the outwardly extended flange of the housing and the flat surface portion of the arm is weak so that loose contact results. Therefore, water tends to intrude into an extremely small space therebetween, resulting in rusting of the surfaces in contact. When the flange is rusted and damaged, there is the fear that the ball joint will be disconnected from the suspension arm.
In order to overcome the above-described problems, there has been proposed a method for a sealing packing interposed between the opposing contact surfaces of the outwardly extended flange and the flat surface portion of the arm, but there arises the problem that it is difficult t.o fit packing and to replace an old packing by a new packing so that satisfactory reliability for use for a long period of time cannot be ensured.
The present invention was made in order to overcome the above and other problems and has for its object to provide a retaining device that ensures tight-fit between a housing of a ball joint and a hollow cylindrical portion of an arm, whereby the capability of sealing the interface between the housing and the hollow cylindrical portion.
According to the present invention, the edge of the. hollow cylindrical portion of the arm is mad e integral with the end portion of the flat surface portion through a curved portion whose length in the axial direction of the hollow cylindrical portion is selected to be smaller than the thickness of a portion of the arm at which the flat surface portion is defined.
It follows therefore that the thickness of the radial wall in the vicinity of the edge portion of the hollow cylindrical portion can be partially increased so 3 that an extremely high degree of resistance against deformation caused by stresses which tend to increase the diameter of the hollow cylindrical portion can be attained. Therefore the strength of fit between the housing of the ball joint and the hollow cylindrical portion of the arm can be increased and it is able to prevent the housing of the ball joint from disconnecting from the suspension arm.
Furthermore, according to the present invention, a sealing member having elastic and adhesive qualities is - sealed between the opposing surfaces of contact of the outwardly extended flange of the housing and the flat surface portion of the arm.
Such a sealing member can be easily sealed when the housing is fitted into the hollow cylindrical portion of the arm in the assembly. When the sealing member is sealed in the manner -described above, the capability of sealing the interface between the outwardly extended flange and the flat surface portion of the arm can be positively ensured.
Furthermore, when the sealing member is sealed in such a way that portion thereof is emerged out of the interface between the outwardly extended flange and the flat surface portion over the outer peripheral end surface of the outwardly extended flange, the positive sealing of the sealing member can be visually confirmed.
The present invention will become more apparent with the following description of some preferred embodimentsthereof taken in conjunction with the Accompanying drawings, in which:
FIG. 1 is a sectional view of a first preferred embodiment of a device for retaining a housing of a ball joint in accordance with the present invention; FIG. 2 is a sectional view illustrating the major portion thereof; FIG. 3 is a sectional view illustrating a second preferred embodiment of a device for retaining a housing 4 of a ball joint in accordance with the present invention; and FIG. 4 is a sectional view illustrating the assembly process thereof.
First Embodiment, FIGS. 1 and 2 FIG. 1 illustrates a first preferred embodiment of a device for retaining a housing of.a ball joint (to be referred merely as "a housing retaining device" hereinafter in this specification for the sake of brevity).
An arm of a suspension system made of a plate-like metal has a ball joint generally indicated by a reference numeral 20 securely attached to one end of the arm 11. The ball joint 20 is in the forrd of a hollow cylinder and is provided with a housing generally indicated by a reference numeral 21 and having an outwardly extended flange 21a projected from the outer peripheral surface thereof in the direction perpendicular to the axis of the housing 21. A bearing member 22 is fitted into the housing 21 and rotatably hold a spherical head 24 of a ball stud 23.
one opened end of the housing 21 is closed by a flat closing plate 25 and the ball stud 23 is pivotaly extended outwardly through the other opened end of the housing 21.
A hollow cylindrical portion 12 for the housing 21 of the ball joint 20 is defined at one end of the arm 11. The hollow cylindrical portion 12 is formed by punchingor drilling a hole through the arm 11 and the edge portion of the hole is subjected to the burring or flanging process so that the edge portion is extended in the form of a cylinder.
The base end portion (on the side of the arm 11) of the hollow cylindrical portion 12 has a flat surface portion 13 perpendicular to the axis of the cylindrical portion 12 which is made integral with the base end portion of the hollow cylindrical portion 12 through a curved portion 14. As best shown in FIG. 2, the length t, in the axial direction of the hollow cylindrical portion is selected to be smaller than the thickness to of the arm 11 of the portion at which the flat surface portion 13 is defined.
When the housing 21 with the above-described construction is press fitted into the hollow cylindrical portion 12 with the above-mentioned construction, stresses are exerted radially to the inner peripheral surface 12a so as to enlarge the diameter of the hollow cylindrical portion 12. In this case, one outer peripheral wall (that is, a portion which equals to to t, in FIG. 2) of the hollow cylindrical portion 12 has by far a greater thickness in the axial portion than the thickness to of the arm 11 because of the existence of the flat surface portion 13. As a result, the hollow cylindrical portion 12 exhibits a high degree of resistance against deformation due to the stresses which tend to enlarge the inner diameter of the hollow cylindrical portion 21 so that a high degree of press fitting can be attained between the hollow cylindrical portion 12 and the housing 21.
Second Embodiment, FIGS. 3 and 4 FIG. 3 illustrates a second preferred embodiment of a device for retaining a housing of a ball joint in accordance with the present invention.
As in the case of the first embodiment described above, the hollow cylindrical portion 12 is for, med at one' end of the arm 11 in a manner substantialli similar to that described above and the flat surface portion 13 is defined on the side of the base end of the hollow cylindrical portion 12. Since the construction of the ball joint 20 is substantially similar that of the first embodiment, the component parts which are similar to those described in the first embodiment are designated similar reference numerals used in the first embodiment 6 and no further explanation of the ball joint 20 shall be made.
The housing 21 is press fitted into the hollow cylindrical portion 12 so that the outwardly extended flange 21a abuts against the flat surface portion 13 of the arm 11. It must be pointed out here that in the second embodiment, a sealing member 31 is interposed between the outwardly extended flange 21a and the flat surface portion 13. The sealing member 31 is characterized in that it consists of a paste-like material having elastic and adhesive properties and that when the sealing member 31 is left in the surrounding atmosphere, a solvent is evaporated while the adhesive strength is lost so that the sealing member 31 has elastic rubber properties. For instance, a material of the sealing member 31 may be "Penguin cement 790C, the trademark of the product of Sun Star Giken K.K.
The sealing member 31 is sealed into a space defined by the housing 21, the outwardly extended flange 21a and the curved portion 14. It is preferable that the sealing member 31 is extended out of the space def ined by the outwardly extended flange 21 and the flat surface portion 13 so as to cover the outer peripheral end surface 21b of the outwardly extended flange 21a. Therefore whether or not the sealing member 31 is positively sealed in the space can be visually confirmed from the exterior.
Furthermore, according to the second embodiment, the outer peripheral surface of the housing 21 is formed with' an annular groove 21c into which is fitted a retaining ring 32.
Referring next to FIG. 4, the assembly of the second embodiment described above with reference to FIG. 3 will be described.
First, the sealing member 31 is applied over the whole circumference of the smallest diameter portion of the outwardly extended flange 21a of the housing 21. Since the sealing member 31 has elastic and adhesive 7 properties, it adheres to the outwardly extended flange 21a in a stable manner. In this case, the quantity of the sealing member 31 is so selected that after the assembly, the sealing member 31 emerged from the space so as to cover the outer peripheral end 21b.
Thereafter the housing 21 is press fitted into the hollow cylindrical portion 12 until the outwardly extended flange 21a abuts against the flat surface portion 13. Next the retaining ring 32 is fitted into the annular groove 21c. The assembly is therefore accomplished.
After the assembly, the sealing member 31 is emerged out of the space to cover the outer peripheral end surface 21b of the outwardly extended flange so that the fact that the sealing member 31 is positively sealed can be confirmed.
According to the second embodiment, the contact of surface between the outwardly extended flange 21 and the flat surface portion 13 can be sealed very securely that the intrusion of water or the like through interface between the outwardly extended flange 21 the flat surface portion 13 can be prevented consequently the corrosion of the component parts also be prevented.
It is to be understood that the present invention is not limited to the first and second embodiments described above and that various modifications can be effected within the scope defined in the appended claims of the. present invention.
so the and and can 8

Claims (6)

  1. CLAIMS: 1. In a device for securely attaching a housing of a ball joint
    having an outwardly extended flange to a platelike ball joint supporting means which is formed with a hollow cylindrical portion and a flat surface portion integrally connected in the direction perpendicular to the axis of a cylindrical portion to one end of said hollow cylindrical portion which is opened, a retaining device characterized in that said hollow cylindrical portion and said flat portion are interconnected with each other through a curved portion; and the length of said curved portion in the axial direction of said hollow cylindrical portion is smaller than the thickness of a portion of ball joint supporting means at which is defined said flat surface portion.
  2. 2. A retaining device as set forth in Claim 1 further characterized in that said hollow cylindrical portion is formed by the burring process. 3. In a device for securely attaching a housing of a ball joint having an outwardly extended flange to a platelike ball joint supporting means which is formed with a hollow cylindrical portion and a flat surface portion integrally connected in the direction perpendicular to the axis of a cylindrical portion to one end of said hollow cylindrical portion which is opened, a retaining device characterized in that said housing is press fitted into said hollow cylindrical portion until said outwardly
    9 extended flange abuts against said flat surface portion; and a sealing member having elastic and adhesive properties sealed in the intersurface portion between said outwardly extended flange of said housing and the flat surface portion of said ball joint supporting means. 4. A retaining device as set forth in Claim 3 further characterized in that a portion of said sealing member emerges out to cover the outer peripheral end face of said outwardly extended flange. 5. A retaining device as set forth in Claim 3 further characterized in that said hollow cylindrical portion and said flat portion are interconnected with each other through the curved portion and the length of said curved portion in the axial direction of said hollow portion is smaller than the thickness of the portion of said ball joint supporting means at which is defined said flat surface portion. 6. A device for retaining a housing of a ball joint substantially as herein described with reference to Figures 1 and 2 of the accompanying drawings. 7. A device for retaining a housing of a ball joint substantially as herein described with reference to Figures 3 and 4 of the accompanying drawings.
    Amendments to the claims have been filed as follows 1. In a device for securely attaching a housing of a ball joint having an outwardly extended flange to a platelike ball joint supporting means which is formed with a hollow cylindrical portion and a flat surface portion integrally connected in the direction perpendicular to the axis of a cylindrical portion to one end of said hollow cylindrical portion which is opened, a retaining device characterised in that said hollow cylindrical portion i formed by a burring process and is connected through a curved portion to said flat surface portion; an edge-line is formed at the joining position between the hollow cylindrical portio,i and the curved portion,- and the length of said curved portion in the axial direction of said hollow cylindrical portion is smaller than the thickness of a portion of said ball joint supporting Tneans at which is defined said flat surface portio-.,. 2. In a device for securely attaching a housing of a ball joint having an outwardly extended flange to a platelike ball joint supporting means which is formed with a hollow cylindrical portion and a flat surface portion integrally connected in the direction perpendicular to the axis of a cylindrical portion to one end of said hollow cylindrical portion which is opened, a retaining device characterised in that said housing is press fitted into said hollow cylindrical portion until said outwardly extended flange abuts against said flat surface portion; and a sealing member having elastic and adhesive properties sealed in the intersurface portion between said outwardly extended flange of said housing and the flat surface portion of said ball joint supporting means.
  3. 3. A retaining device as set forth in Claim 2 further characterised in that a portion of said sealing member emerges out to cover the outer peripheral end face of said outwardly extended flange.
  4. 4. A retaining device as set forth in Claim 2 further characterised in that said hollow cylindrical portion and said flat portion are interconnected with each other through the curved portion and the length of said curved portion in the axial direcricn of said hollow portion is smaller than the thickness of the portion of said ball joint supporting means at which is defined said flat surface portion.
  5. 5. A device for retaining a housing of a ball joint substantially as herein described with reference to Figures 1 and 2 of the accompanying drawings.
  6. 6. A device for retaining a housing of a ball joint substantially as herein described with reference to Figures 3 and 4 of the accompanying drawings.
    Published 1989 at The Patent Office. State House. 66 711-hrhHolborn. LondonWCIR4TP Further copies maybe obtained from The PaterItOffice. Sales Branch, St Mary Cray. Orpington, Kent BR5 3RD. Printed by Multiplex techniques ltd. St Mary Cray, Kent, Con. 1187
GB8915067A 1988-06-30 1989-06-30 A ball and socket assembly. Expired - Lifetime GB2220702B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9203567A GB2252595B (en) 1988-06-30 1992-02-20 Device for retaining a housing of a ball joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63163398A JPH0211911A (en) 1988-06-30 1988-06-30 Sealing structure for arm to ball joint housing

Publications (3)

Publication Number Publication Date
GB8915067D0 GB8915067D0 (en) 1989-08-23
GB2220702A true GB2220702A (en) 1990-01-17
GB2220702B GB2220702B (en) 1992-10-28

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ID=15773136

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8915067A Expired - Lifetime GB2220702B (en) 1988-06-30 1989-06-30 A ball and socket assembly.

Country Status (3)

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JP (1) JPH0211911A (en)
DE (1) DE3921408A1 (en)
GB (1) GB2220702B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247044A (en) * 1990-07-17 1992-02-19 Maremont Corp Ball and socket joint
US5492427A (en) * 1993-01-20 1996-02-20 Lemforder Metallwaren Ag Ball joint and work process for preparing same
CN107023559A (en) * 2016-01-29 2017-08-08 罗伯特·博世有限公司 Spherical nest for ball movable joint

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2081936C (en) * 1992-02-18 1999-06-01 John J. Vrana Process of manufacturing a stamped ball joint housing with perimeter flange
FR2722262B1 (en) * 1994-07-07 1996-08-23 Renault CLUTCH CONTROL DEVICE
DE19636420A1 (en) * 1996-09-07 1997-02-20 Schwerdt Hans Werner Ball joint
KR20040098496A (en) 2001-12-20 2004-11-20 젯에프 렘푀르더 메탈바렌 악티엔게젤샤프트 Ball-and-socket joint
DE10204319A1 (en) * 2001-12-20 2003-09-18 Zf Lemfoerder Metallwaren Ag ball joint
WO2003056193A1 (en) 2001-12-25 2003-07-10 Musashi Seimitsu Kogyo Kabushiki Kaisha Structure for coupling ball joint and arm
DE102013106707B4 (en) 2013-06-26 2015-03-05 Benteler Automobiltechnik Gmbh Method for producing a motor vehicle driver with ball joint
DE102014222576B4 (en) 2014-11-05 2022-05-19 Ford Global Technologies, Llc Wishbone with ball joint in press-in connection
DE102016208579B3 (en) * 2016-05-19 2017-08-31 Zf Friedrichshafen Ag Method for producing a vehicle component

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB847171A (en) * 1957-11-27 1960-09-07 Clevite Harris Products Inc Permanently lubricated rubber bearing
GB1304243A (en) * 1970-01-20 1973-01-24
GB1382305A (en) * 1971-04-02 1975-01-29 Bosch Gmbh Robert Ball and socket joint
US4220418A (en) * 1978-05-16 1980-09-02 Toyota Jidosha Kogyo Kabushiki Kaisha Suspension ball joint mounting mechanism
GB1601091A (en) * 1976-12-29 1981-10-21 Tokai Trw & Co Structure and method for mounting ball joint

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3028183A (en) * 1959-11-30 1962-04-03 Werner A Phillips Sealed ball joint for electrodes
US4266883A (en) * 1979-04-16 1981-05-12 Trico Products Corporation Windshield wiper linkage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB847171A (en) * 1957-11-27 1960-09-07 Clevite Harris Products Inc Permanently lubricated rubber bearing
GB1304243A (en) * 1970-01-20 1973-01-24
GB1382305A (en) * 1971-04-02 1975-01-29 Bosch Gmbh Robert Ball and socket joint
GB1601091A (en) * 1976-12-29 1981-10-21 Tokai Trw & Co Structure and method for mounting ball joint
US4220418A (en) * 1978-05-16 1980-09-02 Toyota Jidosha Kogyo Kabushiki Kaisha Suspension ball joint mounting mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247044A (en) * 1990-07-17 1992-02-19 Maremont Corp Ball and socket joint
US5492427A (en) * 1993-01-20 1996-02-20 Lemforder Metallwaren Ag Ball joint and work process for preparing same
CN107023559A (en) * 2016-01-29 2017-08-08 罗伯特·博世有限公司 Spherical nest for ball movable joint
CN107023559B (en) * 2016-01-29 2021-10-15 罗伯特·博世有限公司 Ball socket for ball and socket joint

Also Published As

Publication number Publication date
GB2220702B (en) 1992-10-28
JPH0211911A (en) 1990-01-17
GB8915067D0 (en) 1989-08-23
DE3921408A1 (en) 1990-01-04

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000630