JP3311711B2 - Ball joint and monitor television stand using the same - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ball joint and a monitor television stand suitable for use in an apparatus for disposing a monitor television or the like on a dashboard of an automobile, for example.

[0002]

2. Description of the Related Art As a monitor television stand for holding a monitor television arranged on a dashboard of an automobile in a position-adjustable manner, for example, a configuration shown in FIG. 7 is known. The monitor television stand 51 shown in FIG. 7 uses a ball joint 52. The ball joint 5
2 is incorporated in a monitor television stand 51. The ball joint 52 has a substantially cylindrical body 53 having an insertion opening 53a at one end.
a housing 55 having a bottomed and substantially cylindrical shape, to which a base member 54 for closing a is attached and forming a housing chamber 62 therein; and a screw ring member 56 for fixing between the body 53 of the housing 55 and the base member 54 And ball studs 57.

In more detail, the ball stud 57
Has a shaft portion 58 and a spherical portion 59 having an outer diameter larger than the outer diameter of the shaft portion 58 and provided at one end of the shaft portion 58. In this example, a support plate 61 is attached to the other end of the shaft portion 58 as a monitor television mounting portion to which the monitor television 60 is attached. The support plate 61 is made separately from the ball stud 57 and is attached to the ball stud 57 later.

[0004] In the upper part of the body 53, an opening 53b is formed.
Are formed. The inner diameter of the opening 53b is smaller than the outer diameter of the ball stud 57.
8 is formed larger than the maximum outer diameter. Therefore, the shaft portion 58 of the ball stud 57 is inserted from the insertion port 53a.
Is inserted until the spherical body portion 59 comes into contact with the peripheral edge (the bottomed portion) of the opening 53b and can be turned at that position.
Further, at the position where the slit 63 is provided, the shaft portion 58 enters the slit 63 and has a structure in which the shaft portion 58 can be largely inclined in the vertical direction. Further, a flange portion 53c is formed on a lower outer peripheral portion of the body portion 53.

The base member 54 has a low-profile cylindrical shaft shape, and has an outer diameter slightly larger than the outer diameter of the flange 53c of the body 53, and has an external thread formed on its outer periphery. I have. On the upper surface side, the body 53
A protrusion 54a is formed integrally with the ball stud 57 to be in contact with the ball portion 59 of the ball stud 57 and to hold the ball portion 59 slidably in the containing chamber 62. In addition,
In this example, since the ball joint 52 is used as the monitor television stand 51, a base fixing plate 66 is fixed to the lower surface of the base member 54 by a screw (not shown) to fix the base member 54 on the dashboard 65 of the automobile. Installed with.

The screw ring member 56 has a base member 5 on its inner surface.
A female screw to be screwed with the male screw of No. 4 is formed, and an upper portion is provided with an opening 64 and a part of the shape is narrowed. The inner diameter of the opening 64 is determined by the body 5
3 and smaller than the outer diameter of the flange 53c. Also, the screw ring member 5
On the outer periphery of 6, a protrusion 56a for hanging a finger when rotating the screw ring member 56 is integrally formed. The screw ring member 56 is connected to the body 53
After the ball stud 57 and the base member 54 are combined, the ball stud 57 and the body 53
Through the flanges 5 on the inner surface of the upper end of the screw ring member 56.
When the female screw is screwed into the male screw of the base member 54 while the female member 3c is inserted until it abuts, the ball portion 59 of the ball stud 57 can be fixed between the body portion 53 and the base member 54 in a tightened state. it can. Further, when the tightening amount of the screw ring member 56 is increased, the spherical portion 59
The tightening force between the base material 54 and the body 53 that encloses the pressure increases, and conversely, the strength decreases when the pressure decreases. Therefore, the tightening force can be adjusted by adjusting the amount of tightening.

[0007] The ball joint 5 thus configured
In the monitor television stand 51 using the base 2, the base fixing plate 66 is mounted on the dashboard 65 of the automobile using a double-sided adhesive or the like. The monitor TV 60 is mounted on the support plate 61 of the monitor TV stand 51 mounted on the dashboard 65 in this manner. When changing the position of the monitor television 60 arranged on the support plate 61, first, the tightening of the screw ring 56 is loosened. Then, the body 53 can be horizontally turned around the axis 67 together with the ball stud 57, and the ball stud 57 can be rotated in the vertical direction (the direction indicated by the arrow 69 in FIG. 7) in the slit 63. The horizontal turning and the vertical movement can adjust the position and orientation of the monitor television 60 according to the convenience of the driver or the like. After the adjustment, when the screw ring 56 is tightened, the body 53 and the ball stud 57 are fixed, and the adjusted position can be fixed.

[0008]

However, the monitor television stand 51 using the above-mentioned conventional ball joint 52 has a structure in which the vertical position is regulated only by tightening the screw ring 56. For this reason, if the screw ring 56 is not sufficiently tightened, the load on the monitor television 60 and the ball stud 57 may cause the ball stud 57 to rotate downward and shift. In particular, when used as a stand for a monitor television for in-vehicle use, the vibration applied to the monitor television 60 acts as a large force on the sphere portion 59, and the displacement of the ball stud 57 causes the load, particularly, to be applied. Easy to happen in the direction. Further, there is a problem that the vibration is amplified and the monitor television 60 becomes difficult to see.

The present invention has been made to solve such a problem, and an object of the present invention is to provide a ball joint having a structure capable of suppressing the displacement and vibration of a ball stud.

Another object of the present invention is to provide a monitor television stand having a structure capable of holding the monitor television at an adjusted desired position while suppressing the displacement and vibration of the ball stud.

[0011]

According to a first aspect of the present invention, there is provided a ball joint having a housing provided with a receiving chamber having an opening, and a sphere slidably held in the receiving chamber of the housing. and parts provided on the spherical portion has a shaft portion protruding from the opening, is held in the embracing chamber
A ball stud is tilted as a fulcrum the spherical portion, the regulating portion for restricting the tilting of the ball stud plurality chromatic being movably tilting was set vignetting in the direction crossing the tilting direction of the ball stud Amount limiting means, and the tilt amount limiting means is provided around the housing.
The enclosure is formed as a rotatable ring body, and the ring body
Of the ball stud can be limited by the restricting portion formed by a groove formed by cutting the upper surface of the ball stud. With this configuration, the tilt amount of the ball stud is forcibly limited and suppressed by the restricting portion of the ring body, which is the tilt amount restricting means. The ball stud is not easily displaced due to, for example, the above. Moreover,
The tilting amount can be easily switched to an amount depending on the regulating portion by rotating the ring body and switching the position of the regulating portion with respect to the ball stud.

[0012] The invention described in claim 2 of the present invention is defined by the claims.
2. The ball joint according to 1 , wherein the ring body is provided so as to be detachable and replaceable from the housing. According to this configuration, if only the ring body having the different regulation unit is replaced, a ball joint in a different mode can be easily obtained without changing the other configuration, and the components can be shared.

[0013] The invention described in claim 3 of the present invention is defined by the claims.
3. The ball joint according to 1 or 2 , wherein the restricting portions are provided on the end surface of the ring body at a plurality of points along the circumference thereof, and the depth of the groove in each restricting portion is formed to have a different size. It has the following configuration. With this configuration, different restricting portions can be collectively formed on one ring body, so that replacement assembly, switching, and the like can be easily performed.

According to a fourth aspect of the present invention, in the ball joint according to the first aspect, the tilt amount restricting means is supported by supporting the shaft portion on a side where the ball stud is tilted by gravity. It has a configuration provided to restrict the tilt of the ball stud. With this configuration,
Since the tilting amount control means is arranged with the lower side of the ball stud supported, it is possible to reliably prevent the ball stud from shifting downward due to vibration, and it is also possible to easily suppress the vibration itself. Become.

According to a fifth aspect of the present invention, there is provided a monitor television stand according to the first aspect of the present invention .
The front end side of the shaft portion provided monitor television mounting portion monitor television is mounted, to restrict the tilt of the ball stud by the regulating unit, and to be able to adjust the position of the monitor television together with the monitor TV mount portion It has a configuration. With this configuration, the tilt amount of the ball stud is forcibly limited and suppressed by the restricting portion of the ring body, which is the tilt amount restricting means , so that the ball stud easily shifts with the monitor TV mounting portion due to the weight of the ball stud and the like. No more. Moreover, the amount of inclination
Rotate the ring body, by switching the position of the regulating portion relative to the ball stud, it is possible to switch to tilt by an amount that depends on the regulation portion, it becomes possible to perform easily positioning of the monitor television .

[0016] invention of the ball joint according to claim 6 of the present invention includes a housing having a embracing chamber having an opening, a <br/> spherical portion which is slidably held in embracing chamber of the housing , provided in the spherical portion to protrude from the opening
Has a shaft portion that includes a ball stud being tilted as a fulcrum the spherical portion held by the embracing chamber, and a base member that is the housing and face each other across the front Symbol spherical portion,
Screwed to the base material with the housing interposed therebetween ,
To retain the spherical portion at the front Symbol housing and the base member
That chromatic force and holding force adjusting means capable of adjusting and the regulating portion before Kijiku portion and abut Te <br/> limits the tilting amount of the ball stud
And a tilt amount restricting means movably provided in a direction intersecting with the tilt direction of the ball stud , wherein the tilt amount restricting means moves around the housing around the housing.
Formed as a rotatable ring body, above the ring body
The present invention has a configuration in which the amount of tilt of the ball stud can be limited by the restricting portion formed by a groove having a cutout surface . With this configuration, the tilt amount of the ball stud is forcibly restricted and suppressed by the restricting portion of the ring body, which is the tilt amount restricting means , so that the ball stud can easily shift due to its own weight or the like. Nothing to do. Moreover, the amount of tilting also rotates the ring body ,
By switching the position of the regulating portion with respect to the ball stud
Thus , the amount can be switched to an amount depending on the regulating unit. In addition, adjust the inclination of the ball stud to phosphorus.
After adjusting the positioning with the locking body,
By tightening the sphere with the housing and the base material
Thus, the adjusted state can be fixed.

According to a seventh aspect of the present invention, there is provided a monitor television stand , further comprising a monitor television mounting portion on which a monitor television is mounted at a tip end side of a shaft portion of the ball joint according to the sixth aspect. The tilting amount of the ball stud is restricted by a restricting portion, and the position of the monitor television can be adjusted together with the monitor television mounting portion.
With this configuration, the tilt amount of the ball stud is forcibly limited and suppressed by the restricting portion of the ring body, which is the tilt amount restricting means , so that the ball stud easily shifts with the monitor TV mounting portion due to the weight of the ball stud and the like. No more. In addition, the tilt amount, ring
By rotating the body and switching the position of the restricting portion with respect to the ball stud, the position can be switched so as to incline by an amount depending on the restricting portion, so that the position adjustment of the monitor television can be easily performed. Sa
In addition, adjust the position of the ball stud tilt with a ring.
After that, the housing and base material are
And tighten the sphere to remove the monitor TV.
Can be fixed to the adjusted state.

[0018]

[0019]

Embodiments of the present invention will be described below with reference to the drawings. In the present embodiment,
A monitor television stand will be described as an example. 1 to 3 show a stand for a monitor television which holds a monitor television arranged on a dashboard of an automobile in a position-adjustable manner. FIG. 1 is a schematic external perspective view of the stand, and FIG. 2 is a perspective view of the stand. FIG. 3 is a schematic longitudinal sectional view, and FIG.

1 to 3, the monitor television stand 1 according to the present embodiment has a structure in which the position and the orientation of the mounted monitor television 10 can be easily adjusted using the ball joint 2. Ball joint 2 incorporated in the monitor television stand 1
Is a substantially cylindrical body 3 having an insertion opening 3a at one end.
A base member 4 for closing the insertion opening 3a is attached thereto, and a substantially cylindrical housing 5 with a bottom that forms a storage chamber 12 therein, and a screw for fixing between the body 3 of the housing 5 and the base member 4 It comprises a ring member 6, a ball stud 7, and a ring body 20.

More specifically, the ball stud 7 includes:
It has a shaft portion 8 and a spherical portion 9 having an outer diameter larger than the outer diameter of the shaft portion 8 and provided at one end of the shaft portion 8. Further, in the structural example of the present embodiment, a support plate 11 as a monitor TV mounting portion for mounting the monitor TV 10 is mounted on the other end side of the shaft portion 8. The support plate 11 is made separately from the ball stud 7 and is attached to the ball stud 7 later.

In the upper part of the body 3, an opening 3b and a slit 13 are formed continuously from the opening 3b toward the lower part. The inner diameter of the opening 3 b is smaller than the outer diameter of the ball stud 7 and larger than the maximum outer diameter of the shaft 8. Therefore, the insertion opening 3a
When the shaft portion 8 of the ball stud 7 is inserted from above, the sphere portion 5 is inserted until it comes into contact with the peripheral edge (the bottomed portion) of the opening 3b and can be turned at that position, and at the position where the slit 13 is provided, The structure is such that the portion 8 enters the slit 13 and can be tilted more vertically. A flange 3c is formed on the outer periphery of the lower part of the body 3.

The base member 4 has a low-profile cylindrical shaft shape, and has an outer diameter slightly larger than the outer diameter of the flange portion 3c of the body portion 3, and is formed with an external thread on its outer periphery. I have. Also, on the upper surface side, a protrusion 4 is inserted into the body 3 from the insertion opening 3 a and abuts against the sphere 9 of the ball stud 7 to hold the sphere 9 slidably in the storage chamber 12.
a is formed integrally. In this embodiment, since the ball joint 2 is used as the monitor television stand 1, a base fixing plate 16 is provided on the lower surface of the base material 4 to fix the base material 4 to the dashboard 15 of the automobile. It is attached with screws (not shown).

The screw ring member 6 constitutes a holding force adjusting means. The screw ring member 6 has a female screw formed on the inner surface thereof to be screwed with the male screw of the base member 4, and an opening 14 is provided at the upper part to narrow a part. It is made in a substantially cylindrical shape with a bottom. The inner diameter of the opening 14 is larger than the outer diameter of the body 3 and smaller than the outer diameter of the flange 3c. A protrusion 6 is provided on the outer periphery of the screw ring member 6 for hanging a finger when the screw ring member 6 is rotated.
a is formed integrally. Then, after the body 3, the ball stud 7, and the base member 4 are combined, the screw ring member 6 passes the ball stud 7 and the body 3 sequentially through the opening 14 from above the ball stud 7,
When the female screw is screwed into the male screw of the base member 4 while the flange portion 3c is inserted until the flange portion 3c comes into contact with the inner surface of the upper end of the screw ring member 6, the ball portion 9 of the ball stud 7 moves between the body portion 3 and the base member 4. Can be fixed in a tightened state. In addition, when the tightening amount of the screw ring member 6 is increased, the tightening force between the base member 4 containing the sphere portion 9 and the body portion 3 is increased, and when the screw ring member 6 is reduced, the tightening force is weakened. Therefore, by adjusting the tightening force, the tightening force can be adjusted.

The ring body 20 is also shown as a single unit in FIGS. 4 to 6. FIG. 4 is a perspective view of the appearance of the ring body 20, FIG. 5 is a plan view of the ring body 20 as viewed from above, and FIG. FIG. 6 is an enlarged sectional view taken along line AA of FIG. 5. The structure of the ring body 20 will be further described with reference to FIGS. 4 and 5. The ring body 20 constitutes a tilting amount restricting means for limiting the tilting amount of the ball stud 7. It is formed in a substantially cylindrical shape substantially equal to the outer diameter dimension. The ring body 20 is attached so as to cover the outer periphery of the body 3 before the support plate 11 is attached to the ball stud 7, and is rotatably attached to the body 3. A flange 2 is provided on the outer periphery of the lower part of the ring body 20.
0a is provided over the entire circumference, and knurling is applied to the peripheral surface of the flange portion 20a. On the upper surface of the ring body 20, a plurality of (seven in the present embodiment) cut-out grooves 21 as restriction portions are provided scattered in the circumferential direction. Each notch groove 21 has a width capable of receiving the shaft portion 8 of the ball stud 7, and each notch groove 21
Have different depths. In addition, each notch groove 2
The depth of 1 is formed shallower than the depth of the slit 13. Then, by rotating the ring body 20 to change the notch groove 21 corresponding to the slit 13, the amount of inclination of the ball stud 7 can be regulated by the depth of the notch groove 21. That is, when the ball stud 7 is tilted into the slit 13, when the ball stud 7 is tilted by a predetermined amount, the shaft 8 of the ball stud 7 abuts against the bottom surface of the notch groove 21 corresponding to the slit 13, and further. The inclination is regulated. Therefore, the ring body 20 is rotated so that the notches 21 having different depths are formed in the slits 13.
And the correspondingly arranged notch groove 2
The inclination amount of the ball stud 7 is determined by the depth of 1. Further, when the slit 13 is cut in the body 3 below the ball stud 7 as in the structure of the present embodiment, the shaft 8 of the ball stud 7 is received and supported by the cutout groove 21. Will be. In the state where the shaft portion 8 is supported from below by the ring body 20, the shaft portion 8 does not move in the downward direction even if there is no tightening force of the screw ring member 6. Thus, even if the tightening force of the screw ring member 6 is loosened, the ball stud 7 does not shift downward.

The ball joint 2 thus configured
In the stand 1 for a monitor television using the base, the base fixing plate 16 is mounted on the dashboard 15 of the automobile using a double-sided adhesive or the like. Also, the monitor TV stand 1 thus mounted on the dashboard 15
The monitor television 10 is mounted on one support plate 11. Then, the monitor television 1 placed on the support plate 11
When changing the position of 0, first, the tightening of the screw ring 6 is loosened. Then, the torso portion 3 can be horizontally turned around the axis 18 together with the ball stud 7, and the ball stud 7 is rotated in the vertical direction (the direction indicated by the arrow 19 in FIG. 7) in the slit 13 to be tilted. The position and orientation of the monitor television 10 can be adjusted according to the convenience of the driver or the like by the horizontal turning and the vertical tilt. At the time of this adjustment, the ring body 20
Was rotated so that a notch groove 21 having a depth to obtain a desired inclination was arranged at a position corresponding to the slit 13, and the ball stud 7 was brought into contact with the bottom surface of the notch groove 21 after the switching. In this state, the inclination can be regulated by the ring body 20 and positioned. further,
After the adjustment and positioning, when the screw ring 6 is tightened, the adjusted state can be fixed.

Therefore, in the structure according to the present embodiment, the ring body 20 as the tilting amount restricting means is rotated to a predetermined position, that is, a position corresponding to the slit 13.
When a desired notch groove 21 as a restricting portion is arranged, and the shaft portion 8 of the ball stud 7 is tilted and brought into contact with the bottom surface of the notch groove 21, the lower side of the ball stud 7 is supported by the ring body 20, The notch groove 21 can forcibly restrict the amount of tilt of the ball stud 7 in the vertical direction. Moreover, the lower side of the ball stud 7 is
Since the ball stud 7 is forcibly restricted in inclination when it is supported at 0, even if a large load is applied to the ball stud 7, the ball stud 7 does not rotate any further and causes a displacement, and is stable. Positioning can be performed.
In addition, since the lower side of the ball stud 7 is supported by the ring body 20, even when the automobile vibrates, the ball stud 7 can be suppressed from bending and vibrating, and thus can be reduced. Can be maintained. Thereby, the vibration generated in the monitor television 10 is reduced, so that the monitor television 10 can be easily viewed, and the adverse influence of the vibration can be reduced to protect the monitor television. Further, the structure can be changed by simply mounting the ring body 20 without changing the conventional structure. In addition, if a plurality of types of ring bodies 20 differing only in the shape of the notch grooves 21 are prepared, the ring bodies 20 can be applied to various devices, so that mass production can be performed, and the cost can be reduced and the cost can be reduced.

In this embodiment, the structure in which the ball joint 2 is used for the monitor TV stand 1 is disclosed. However, the present invention is not limited to the monitor TV stand 1 but may be used as a general ball joint 2. You can do it. In addition, the ring body 20 is used as the tilting amount regulating means, and by rotating the ring body 20, the notch groove 21 serving as a regulating portion is set at a predetermined position (slit 13).
Although the structure for moving with respect to is disclosed, any structure other than this may be used as long as it can switch the regulating portion to the predetermined portion without being a ring body.

[0029]

As described above, the ball joint according to the present invention, as apparent from the above embodiment,
The restricting portion is disposed at a predetermined position by rotating the tilting amount restricting means formed of a ring body or the like, and the ball stud is brought into contact with the restricting portion. Since it can be forcibly regulated and held at a predetermined position, positioning and holding can be easily performed.
In addition, when the lower side of the ball stud is supported by the tilting amount restricting means to forcibly restrict the inclination of the ball stud, even if a large load is applied to the ball stud, the ball stud is further lowered. It is possible to expect an effect that stable positioning can be performed without rotating to the side and causing a position shift. In addition, the ball stud tilt
After adjusting the positioning with the ring,
Tighten the sphere with more housing and base material
Thus, the adjusted state can be fixed.

Further, in the monitor television stand according to the present invention using the ball joint constructed as described above, the lower side of the ball stud is supported by the tilting amount regulating means, so that it can be mounted on a vehicle, for example. Even if the automobile vibrates and the ball studs are bent and try to vibrate together with the monitor television, it is expected that the vibration can be suppressed by the tilting amount regulating means that supports the vibration from below.

[Brief description of the drawings]

FIG. 1 is a perspective view of a monitor television stand according to an embodiment of the present invention.

FIG. 2 is a schematic vertical sectional side view of a monitor television stand according to the embodiment.

FIG. 3 is a partial side view of the monitor television stand according to the embodiment.

FIG. 4 is a perspective view of a ring body according to the embodiment.

FIG. 5 is a plan view of a ring body according to the present embodiment.

FIG. 6 is an enlarged sectional view taken along line AA of FIG. 5;

FIG. 7 is a structural explanatory view of a conventional monitor TV stand.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Monitor television stand 2 Ball joint 3 Body 3a Insertion opening 3b Opening 3c Flange 4 Base material 4a Projection 5 Housing 6 Screw ring member (holding force adjusting means) 7 Ball stud 8 Shaft 9 Sphere 10 Monitor TV 11 Support plate (monitor TV mounting part) 12 Enclosure room 13 Slit 14 Opening 15 Dashboard 16 Base fixing plate 18 Axis 19 Arrow 20 Ring body (Tilt amount restricting means) 20a Flange 21 Notch groove (Regulator)

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Hiroshi Hiramoto 4-1-1 Tsunashima Higashi, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture Inside Matsushita Communication Industrial Co., Ltd. (56) References JP-A-4-21714 (JP, A JP-A-11-132223 (JP, A) JP-A-8-312885 (JP, A) JP-A 5-32147 (JP, U) JP-A 52-50194 (JP, U) JP-A 63- 32726 (JP, U) Japanese Patent Publication No. 54-23073 (JP, B1) Japanese Utility Model No. 6-26737 (JP, Y2) Japanese Utility Model Application No. 58-55466 (JP, Y1) (58) Fields surveyed (Int. ⁷ , DB name) F16C 11/06-11/10 H04N 5/64 581

Claims (7)

(57) [Claims] 1. A housing provided with a receiving chamber having an opening, and slidably held in the receiving chamber of the housing.
A spherical portion that is provided on the spherical portion protruding from the opening
Has a shaft portion, wherein the ball stud is tilted as a fulcrum the spherical portion held in embracing chamber, a plurality have a regulating portion for restricting the tilting of the ball stud, the tilting direction of the ball stud movable in a direction intersecting the a tilting amount regulating means was set vignetting, the tilting amount controlling means
Is rotatable around the housing.
It is formed as a ring body, and the upper surface of the ring body is cut out.
A ball joint, wherein the tilting amount of the ball stud is limited by the restricting portion formed by the groove . 2. A ball joint according to claim 1, wherein the provided detachably replacing the ring body relative to the housing. 3. A plurality of restricting portions are provided on an end surface of the ring body along a circumference thereof, and grooves of each restricting portion have different depths. The ball joint according to claim 1 or 2, wherein: 4. The tilt amount restricting means is provided so as to restrict the tilting of the ball stud by supporting the shaft portion on a side where the ball stud tilts by receiving gravity. The ball joint according to 1. 5. A monitor television is mounted on a tip side of the shaft portion.
Provided with a monitor TV mounting part,
Limit the tilt amount of the ball stud, and monitor the TV
The position of the monitor television is adjusted together with the mounting part.
1. A monitor television monitor using the ball joint according to 1.
And 6. A housing provided with a receiving chamber having an opening, and slidably held in the receiving chamber of the housing.
A spherical portion that is provided on the spherical portion protruding from the opening
Has a shaft portion, a ball stud being tilted as a fulcrum the spherical portion held by the embracing chamber, and a base member that is the housing and face each other across the front Symbol spherical portion, said housing holding the spherical portion in sandwiching the base member and is screwed in, and the front Symbol housing the base member
An adjustable holding force adjusting means the force lifting, front Kijiku part and those <br/> contact to have a regulating portion for restricting the tilting of the ball stud, crossing the tilting direction of the ball stud Tilting amount control means provided so as to be movable in the direction, and the tilting amount control means is provided around the housing and around the housing.
Is formed as a rotatable ring body, and the ring body
A ball joint characterized in that the amount of tilt of the ball stud can be limited by the restricting portion formed by a groove formed by cutting out an upper surface . 7. A monitor television is mounted on a tip side of the shaft portion.
Provided with a monitor TV mounting part,
Limit the tilt amount of the ball stud, and monitor the TV
The position of the monitor television is adjusted together with the mounting part.
6. A monitor television monitor using the ball joint according to 6.
And