CN209800523U - Spherical hinge structure - Google Patents

Abstract

the utility model provides a spherical hinge structure, which comprises a base, a cover body and a ball rod with a rotary ball at the bottom, wherein a containing cavity is arranged in the cover body, a hemispherical cavity for placing the rotary ball is arranged in the base, a through hole for the ball rod to pass is arranged in the middle of the containing cavity in the cover body, the base is arranged in the containing cavity, the inner wall surface of the through hole forms an arc surface matched with the rotary ball to support, a hole is arranged in the adjusting cover, the hole has an arc surface used for matching with the rotary ball to extend out of the through hole, the adjusting cover is arranged on the cover body, when the angle of the ball rod needs to be adjusted, the adjusting cover only needs to be loosened to separate the arc surface from the contact surface of the rotary ball, and the angle of the rotary ball can be flexibly adjusted; in addition, in the process, because the arc-shaped surface is separated from the contact surface of the rotating ball, the friction during angle adjustment is reduced, and the service life is prolonged.

Description

spherical hinge structure

Technical Field

The utility model belongs to the technical field of the support, especially, provide a ball pivot structure.

Background

At present, many electrical apparatuses need a fixing support to fix, and in the installation or use process of the electrical apparatuses, the angle of the fixing support often needs to be adjusted to meet the use requirements of users. The angle adjustable support on the market at present generally comprises club and base, wherein generally is through tight fit card with the rotatory ball of club bottom in the ball seat, fixes a position rotatory ball through the frictional force between ball seat and the rotatory ball. However, with this structure, after a period of use, the friction between the rotating ball and the ball seat is reduced, and the rotating ball cannot be positioned, thereby reducing the service life of the product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball pivot structure aims at solving among the prior art problem that wear and tear leads to frictional force to reduce and influence life between spin ball and the ball seat.

in order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a ball pivot structure, is equipped with the club of roating ball including base, lid and bottom, be equipped with the holding chamber in the lid, be equipped with the confession in the base hemispherical chamber that the roating ball put into, in the lid in the corresponding position in holding chamber middle part is seted up the confession the through-hole that the club passed, the pedestal mounting in the holding chamber, the internal face of through-hole forms the cooperation and supports and hold the arc surface of roating ball, ball pivot structure still including being used for supporting and pressing the adjustment lid of roating ball, it is equipped with the trompil to open in the adjustment lid, the trompil has and is used for the cooperation to support and hold stretch out on the roating ball the arcwall face of through-hole, the adjustment lid install.

Furthermore, the bottom of adjustment lid is equipped with the internal thread, the lid outside be equipped with internal thread matched with external screw thread.

Furthermore, a plurality of first mounting holes are formed in the base, first mounting grooves are formed in the cover body corresponding to the first mounting holes, and the spherical hinge structure further comprises first locking pieces which penetrate through the first mounting holes and are mounted in the corresponding first mounting grooves.

Furthermore, a connecting plate extends outwards from the peripheral side of the base, and each first mounting hole is formed in the connecting plate.

Furthermore, a plurality of notches are formed in the base corresponding to the positions of the opening parts of the hemispherical cavities.

Furthermore, a plurality of second through holes are formed in the cover body, the spherical hinge structure further comprises second locking pieces which are used for respectively penetrating the second through holes to be connected and fixed to external media, and avoidance grooves are formed in the positions, corresponding to the second through holes, of the base.

Furthermore, a fixing column is arranged on the cover body, and the second through hole is formed in the fixing column.

Further, the bottom surface of base is equipped with the buffer layer.

Furthermore, one side of the buffer layer, which is far away from the base, is provided with an adhesive layer.

Further, the minimum inner diameter of the through hole is larger than the minimum inner diameter of the open hole.

The utility model has the advantages that: compared with the prior art, the utility model adds the adjusting cover on the cover body, the middle part of the adjusting cover is provided with the through hole, the through hole is provided with the arc surface which is in close contact with the rotary ball, when the angle of the ball rod needs to be adjusted, a user only needs to loosen the adjusting cover to separate the arc surface from the contact surface of the rotary ball, and the angle of the rotary ball can be flexibly adjusted; in addition, in the process, as the arc-shaped surface is separated from the contact surface of the rotating ball, the friction of the structure in the angle adjustment process is reduced, and the service life is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is an exploded schematic view of a spherical hinge structure according to an embodiment of the present invention;

Fig. 2 is a schematic cross-sectional structure view of a spherical hinge structure provided in an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a base according to an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a cover body according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the spherical hinge structure provided by the embodiment of the present invention when adjusting the angle.

Wherein, in the drawings, the reference numerals are mainly as follows:

1-a base; 11-hemispherical cavity; 12-a first mounting hole; 13-a connecting plate; 14-a notch; 15-avoidance groove;

2-a cover body; 21-an accommodating cavity; 22-a through hole; 23-external thread; 24-a first mounting groove; 25-second perforations; 26-fixed columns; 221-arc surface

3-a ball arm; 31-a rolling ball;

4-adjusting the cover; 41-opening a hole; 42-internal thread; 411-arc shaped face;

5-a first locking member;

6-a second locking element;

7-a buffer layer;

8-adhesive layer.

Detailed Description

in order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 and fig. 2, the ball hinge structure provided by the present invention will now be described. The spherical hinge structure comprises a base 1, a cover body 2 and a ball rod 3, wherein a rotating ball 31 is arranged at the bottom end of the ball rod 3, a containing cavity 21 is arranged in the cover body 2, a hemispherical cavity 11 for the rotating ball 31 to be placed in is arranged in the base 1, the hemispherical cavity 11 and the containing cavity 21 surround into a whole body and are used for limiting the free movement of the rotating ball 31, a through hole 22 for the ball rod 3 to pass through is formed in the middle of the containing cavity 21 in the cover body 2, the base 1 is installed in the containing cavity 21, an arc surface 221 is formed on the inner wall surface of the through hole 22 and is used for matching and abutting against the outer surface of the rotating ball, and therefore the rotating angle of the rotating ball 31. The spherical hinge structure further comprises an adjusting cover 4 installed on the cover body 2 and used for abutting against the rotary ball 31, an opening 41 is formed in the adjusting cover 4, an arc-shaped surface 411 is formed on the inner wall surface of the opening 41 and used for being matched with and abutting against the arc-shaped wall surface of the rotary ball 31 extending out of the through hole 22, and therefore the rotary ball 31 is fixed on the base 1. Preferably, the adjusting cover 4 may be a housing with a hollow interior and adapted to the shape of the cover body 2, so as to facilitate the installation and cooperation between the adjusting cover 4 and the cover body 2. When the angle of the ball arm 3 needs to be adjusted, the user only needs to loosen the adjusting cover 4 to separate the arc surface 411 from the contact surface of the rotary ball 31, so that the angle of the rotary ball 31 can be flexibly adjusted; in addition, in the process, as the arc-shaped surface 411 is separated from the contact surface of the rotating ball 31, the friction of the structure in the angle adjustment process is reduced, and the service life is prolonged.

Further, please refer to fig. 2 and 5, as a specific embodiment of the spherical hinge structure provided by the present invention, the bottom end of the adjusting cover 4 is provided with an internal thread 42, the outer side of the cover body 2 is provided with an external thread matching with the internal thread 42, the internal thread 42 and the external thread are engaged with each other to disable the adjusting cover 4 to be fixed on the cover body 2, when the user needs to adjust the angle of the bracket, the adjusting cover 4 is unscrewed by rotation to separate the arc surface 411 from the contact surface of the rotary ball 31, so as to reduce the friction force between the two, and the angle of the rotary ball 31 can be adjusted flexibly; meanwhile, the arc surface 411 of the rotary cover is separated from the contact surface of the rotary ball 31 in the process, so that the friction of the structure in angle adjustment is reduced, and the service life is prolonged; of course, when the user adjusts the rotating ball 31 to a proper angle, the rotating cover can be screwed in the opposite direction, so that the rotating cover is fixed on the bottom cover, and in the process of adjusting the spherical hinge structure, the user only needs to loosen or screw the rotating cover, so that the operation is flexible and simple. Preferably, the rotatable cover and the cover body 2 may also be in a snap fit, which is not limited herein.

The utility model provides a ball pivot structure, when installing, put into the hemisphere cavity of base 1 with revolving ball 31 first, install lid 2 on base 1 again to make club 3 wear out from through-hole 22 of lid 2, at last screw in adjustment lid 4 on the bottom, because adopt screw-thread fit between lid 2 and adjustment lid 4, the user can reach the angle of freely adjusting this structure through adjusting the area of contact of cambered surface 411 and revolving ball 31 of adjustment lid 4; when the angle of the ball arm 3 is adjusted, the arc surface 411 of the adjusting cover 4 is separated from the rotating ball 31, so that the friction between the rotating ball 31 and the seat body is reduced, and the service life of the ball hinge structure is prolonged; in addition, compared with the traditional fastening installation mode, the assembly mode is convenient to operate and high in working efficiency.

Further, please refer to fig. 1 to 5, as the utility model provides a specific embodiment of a spherical hinge structure, a plurality of first mounting holes 12 have been seted up on the base 1, wherein the quantity of first mounting hole 12 is two, two first mounting holes 12 symmetric distribution are in the both sides of base 1, be equipped with first mounting groove 24 in the lid 2 on corresponding each first mounting hole 12, the spherical hinge structure still includes a plurality of first locking pieces 5, each first locking piece 5 passes each first mounting hole 12 respectively, first mounting groove 24, thereby make on lid 2 fastening and the base 1, this fixed mode is difficult for receiving ambient temperature's influence, firm in connection, and be convenient for operate. Preferably, the first locking member 5 is a screw, and the screw sequentially passes through the first mounting hole 12 and the first mounting groove 24, so that the cover 2 is stably mounted on the base 1, and the fixing manner is not easily affected by external temperature and is firmly connected; in addition, the base 1 and the cover body 2 adopt a detachable installation mode, so that the rotating ball 31 can be conveniently arranged in a cavity surrounded by the base 1 and the cover body 2.

preferably, please refer to fig. 3, as a specific embodiment of the spherical hinge structure provided by the present invention, the peripheral side of the base 1 extends outwards to form a connecting plate 13, and each first mounting hole 12 is disposed on the connecting plate 13, so as to avoid the interference to the base 1 when the first locking member 5 passes through the first mounting groove 24 and the first mounting hole 12, reduce the trouble of forming a deep hole on the base 1, and reduce the processing cost.

Further, please refer to fig. 3, as a specific embodiment of the spherical hinge structure provided by the present invention, a plurality of notches 14 are formed on the base 1 corresponding to the opening of the hemispherical cavity 11, so as to reduce the contact area between the base 1 and the rotating ball 31 and improve the service life of the spherical hinge structure; in addition, a plurality of notches 14 are formed in the base 1, and the notches 14 are arranged at equal intervals along the ring shape, so that the base 1 can be conveniently machined and manufactured.

Further, please refer to fig. 1 to 4, as a specific embodiment of the spherical hinge structure provided in the present invention, a plurality of second through holes 25 are provided on the cover 2, wherein the number of the second through holes 25 is two, the two second through holes 25 are symmetrically distributed on both sides of the base 1, the spherical hinge structure further includes a second locking member 6, the second locking member 6 respectively passes through the second through holes 25, and is fixed to the external medium with the connection, thereby fixing the spherical hinge structure in the external medium, the fixing manner is not easily affected by the external temperature, the connection is firm, and the operation is convenient. Specifically, the base 1 is provided with avoidance grooves 15 corresponding to the positions of the second through holes 25, so that the second locking pieces 6 can penetrate through the base 1 to be tightly matched with external media; in addition, the trouble of forming the long through hole 22 on the base 1 is reduced, and the manufacturing cost is reduced. Here, the second locking member 6 may be a screw, a bolt or other fixing member, preferably, the screw is a standard member, which is convenient for purchase and low in cost, and reduces the manufacturing cost of the ball hinge structure.

Further, please refer to fig. 4, as a specific embodiment of the spherical hinge structure provided by the present invention, a fixing post 26 is disposed on the cover body 2, wherein the fixing post 26 plays a guiding role, and the second through hole 25 is disposed in the fixing post 26, so as to facilitate the processing and manufacturing of the second through hole 25 on the cover body 2.

Further, referring to fig. 1 and fig. 2, as a specific embodiment of the spherical hinge structure provided by the present invention, a buffer layer 7 is disposed on the bottom surface of the base 1. Preferably, the material of the buffer layer 7 is EVE, and the buffer layer 7 is additionally arranged on the back surface of the base 1 to have good shock-proof and buffer performance, so that the ball joint structure can be fastened on the wall by reducing the shaking force of the club 3 during the angle adjustment, although the buffer layer 7 may also be made of other materials with good shock-proof and buffer performance, which is not limited herein.

Further, referring to fig. 1 to 4, as an embodiment of the spherical hinge structure provided by the present invention, the minimum inner diameter of the through hole 22 is larger than the minimum inner diameter of the opening 41, that is, most of the volume of the rotary ball 31 is accommodated in the cavity enclosed by the base 1 and the cover 2, so as to facilitate the positioning and fixing of the rotary ball 31.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a ball pivot structure, includes that base, lid and bottom are equipped with the club of roating ball, be equipped with the holding chamber in the lid, be equipped with the confession in the base hemispherical chamber that the roating ball put into, in the lid in the corresponding position in holding chamber middle part offers the confession the through-hole that the club passed, the pedestal mounting in the holding chamber, the internal face of through-hole forms the cooperation and supports and hold the arc surface of roating ball, a serial communication port, ball pivot structure still including being used for supporting the pressure the adjustment lid of roating ball, it is equipped with the trompil to open in the adjustment lid, the trompil has and is used for the cooperation to support and hold stretch out on the roating ball the arcwall of through-hole, the adjustment lid install.

2. the spherical hinge structure as claimed in claim 1, wherein the bottom end of the adjustment cap is provided with an internal thread, and the outer side of the cap body is provided with an external thread matching the internal thread.

3. The spherical hinge structure as claimed in claim 1, wherein the base has a plurality of first mounting holes, the cover has a first mounting groove corresponding to each of the first mounting holes, and the spherical hinge structure further comprises a first locking member passing through each of the first mounting holes and being mounted in the corresponding first mounting groove.

4. The spherical hinge structure according to claim 3, wherein a connecting plate extends outward from a peripheral side of said base, and each of said first mounting holes is provided in said connecting plate.

5. The spherical hinge structure as claimed in claim 3, wherein the base has a plurality of notches corresponding to the openings of the hemispherical cavities.

6. The spherical hinge structure as claimed in claim 1, wherein the cover has a plurality of second through holes, the spherical hinge structure further comprises second locking members for passing through the second through holes respectively and connecting and fixing to an external medium, and the base has an avoiding groove corresponding to the second through holes.

7. The spherical hinge structure as claimed in claim 6, wherein the cover has a fixing post thereon, and the second through hole is provided in the fixing post.

8. The spherical hinge structure according to any one of claims 1 to 7, wherein the bottom surface of the base is provided with a buffer layer.

9. The spherical hinge structure as claimed in claim 8, wherein a surface of said cushioning layer facing away from said base is provided with an adhesive layer.

10. The spherical hinge structure according to claim 1, wherein a minimum inner diameter of the through hole is larger than a minimum inner diameter of the opening hole.