WO2023167344A1

WO2023167344A1 - Support

Info

Publication number: WO2023167344A1
Application number: PCT/KR2022/002951
Authority: WO
Inventors: 고무생
Original assignee: 고무생
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2023-09-07
Also published as: KR102544180B1

Abstract

Disclosed is a support comprising: a base; and an adapter arm having a first adapter coupled to one end portion thereof so as to move relative thereto and a second adapter coupled to the other end portion thereof so as to move relative thereto, the first adapter being rotatably coupled to the base, wherein the first adapter includes: a first ball tip coupled to a first joint; a first ball which is connected to the first ball tip, has a spherical shape and includes a flat part on at least a portion thereof; a first ball holder in contact with the flat part of the first ball; and a first holding line having one side connected to the first ball holder, and pressing the first ball holder toward the flat part of the first ball.

Description

holder

The present invention relates to a cradle that can be utilized by attaching an object to one end thereof.

In recent years, as the performance of hardware has improved, it has become possible to take high-quality images with equipment such as mobile phones of ordinary people, not professional imaging equipment. However, results such as photos or videos obtained by taking pictures while holding hands may not be satisfactory due to shaking. Of course, with the development of software technology as well as hardware, high-quality results can be obtained through correction, but when shooting using auxiliary equipment that can mount a mobile phone, synergistic effects with software functions can be used to produce higher-quality photos. and videos can be obtained. However, it is difficult to freely set the position and angle of the mobile phone for shooting and it is cumbersome to fix the changed position, so the more frequently the mobile phone position is changed, the less useful it is. Accordingly, research on a cradle that can easily fix and utilize an object such as a mobile phone is being actively conducted.

It is possible to provide a cradle that can easily move and fix the object to a desired position in the process of using the object to be mounted.

In the process of moving the object, it is possible to provide a cradle capable of correcting the load so that the load of the object is not transmitted to the user.

A cradle that can be carried or attached to other structures can be provided.

In the cradle according to an embodiment of the present invention, a first adapter is coupled to a base and one end for relative movement, and a second adapter is coupled to the other end for relative movement, and the first adapter is rotatably coupled to the base. and an adapter arm, wherein the first adapter includes a first ball tip coupled to the base, a first ball connected to the first ball tip and having a spherical shape but including a flat portion at least in part, the first ball A first ball holder and one side in contact with the flat portion of the first ball holder and connected, may include a first holding line for pressing the first ball holder in the direction of the flat portion of the first ball.

In addition, the first ball holder further includes a driving unit connected to the other side of the first holding line, and the first ball holder is transmitted through the first holding line by the force generated by the operation of the driving unit to drive the first ball holder to the first ball. It can be pressed in the direction of the flat part of.

In addition, the first ball includes a first through-hole formed in a direction perpendicular to the plane portion of the first ball, and the other side of the first holding line passes through the first through-hole and is connected to the driving unit. can be done with

In addition, the diameter of the first through hole may be formed to gradually narrow from the plane portion of the first ball.

In addition, the second adapter includes a second ball tip disposed to cross the direction of the first ball tip, a second ball connected to the second ball tip and formed in a spherical shape, and contacting the surface of the second ball. The second ball holder and one side may include a second holding line connected to the second ball holder and pressing the second ball holder to the surface of the second ball.

In addition, the other side of the second holding line is connected to the driving unit, and the second ball holder is transmitted through the second holding line to transfer the force generated by the operation of the driving unit to the second ball holder of the second ball. Can be pressed to the surface.

In addition, the second ball holder may include a curved portion corresponding to the shape of the surface of the second ball.

In addition, one side of the second holding line may be formed of a plurality of strands and may be connected to the second ball holder by bypassing the second ball.

In addition, one side of the second holding line may be coupled with the second ball holder at equal intervals to uniformly press the second ball holder in the direction of the second ball.

In addition, the second holding line may be characterized in that the other side passes through the first through hole and is connected to the driving unit.

In addition, the second ball may include a second through hole formed in a direction of the first through hole, and one side of the second holding line may pass through the second through hole and be connected to the second ball holder.

In addition, the diameter of the second through hole may be formed to be the largest at the surface of the second ball and narrower toward the center of the second ball.

In addition, the driving unit may be formed to apply an attractive force to the first holding line or the second holding line by fluid pressure, magnetic force, or electromagnetic force.

The cradle according to another embodiment of the present invention includes a base, a first joint having one side rotatably coupled to the base, one end coupled to the other side of the first joint, and a third adapter at the other end capable of relative movement. A second adapter arm that is tightly coupled and a third adapter arm having one end coupled to the third adapter and a fourth adapter coupled to the other end to enable relative movement, wherein the third adapter comprises: A third ball tip coupled to the arm, a third ball connected to the third ball tip and having a spherical shape, a third ball holder contacting the surface of the third ball, and moving the third ball holder toward the third ball A third elastic body for pressurization and a third holding line, one side of which is connected to the third ball holder and separates the third ball holder from the third ball, wherein the fourth adapter is of the third ball tip. A fourth ball tip disposed to cross the direction, a fourth ball connected to the fourth ball tip and formed in a spherical shape, a fourth ball holder contacting the surface of the fourth ball, the fourth ball holder A fourth elastic body that presses toward the ball and one side connected to the fourth ball holder may include a fourth holding line that separates the fourth ball holder from the fourth ball.

In addition, the third ball holder further includes a driving unit connected to the other side of the third holding line, and the third ball holder moves the third ball holder by transferring the force generated by the operation of the driving unit through the third holding line. can be separated from

In addition, the third ball includes a third through hole formed to pass through the third ball tip and the third ball, and the fourth holding line passes through the third through hole and is connected to the driving unit. can do.

In addition, the diameter of the third through hole may be constant within the third ball tip and gradually narrow within the third ball.

In addition, the driving unit may be formed to apply an attractive force to the third holding line or the fourth holding line by fluid pressure, magnetic force, or electromagnetic force.

In addition, one side of the third holding line is formed of a plurality of strands, and may be coupled with the third ball holder at equal intervals to uniformly press the third ball holder toward the third elastic body.

The cradle according to an embodiment of the present invention makes it easy to move the object to a desired location in the process of utilizing the object, and can quickly fix the location of the object.

The cradle according to an embodiment of the present invention can be used in a portable form, and can be used universally by attaching to a surrounding structure.

1 is a perspective view of a cradle according to an embodiment of the present invention, and is a view showing an adapter arm by way of example.

2 is a view showing a cradle according to an embodiment of the present invention from another angle.

Figure 3 (a) is an exploded view of the adapter arm according to an embodiment of the present invention, Figure 3 (b) is a perspective view showing the assembled state of the adapter arm.

Figure 4 (a) is an exploded view of an adapter arm according to another embodiment of the present invention, and Figure 4 (b) is a perspective view showing the assembled state of the adapter arm.

5 is a perspective view of a cradle according to another embodiment of the present invention, which exemplarily shows a second adapter arm and a third adapter arm.

Figure 6 (a) is an exploded view of the second adapter arm and the third adapter arm according to another embodiment of the present invention, and Figure 6 (b) shows an assembled state of the second adapter arm and the third adapter arm. It is a perspective drawing.

Figure 7 (a) is an exploded view of the second adapter arm and the third adapter arm according to another embodiment of the present invention, and Figure 7 (b) shows an assembled state of the second adapter arm and the third adapter arm. It is a perspective drawing.

8 to 9 are views illustrating a cradle having an increased number of joints according to various embodiments of the present disclosure.

Hereinafter, various embodiments of this document will be described with reference to the accompanying drawings. Examples and terms used therein are not intended to limit the technology described in this document to specific embodiments, and should be understood to include various modifications, equivalents, and/or substitutes of the embodiments. In relation to the description of the drawings, similar reference numerals may be used for similar components, and duplicate descriptions thereof will be omitted. The accompanying drawings are only for easy understanding of the embodiments disclosed in this specification, and the technical ideas disclosed in this specification are not limited by the accompanying drawings.

In this document, expressions such as "A or B" or "at least one of A and/or B" may include all possible combinations of the items listed together. Expressions such as "first," "second," "first," or "second," may modify the corresponding components regardless of order or importance, and are used to distinguish one component from another. It is used only and does not limit the corresponding components. Also, singular expressions may include plural expressions unless the context clearly dictates otherwise.

In this document, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

1 is a perspective view of a holder 100 according to an embodiment of the present invention, and is a view showing an adapter arm 120 by way of example, and FIG. 2 is an internal structure of the adapter arm 120 according to an embodiment of the present invention. It is a drawing showing by way of example.

The cradle according to various embodiments of the present invention is not particularly limited in the object to be mounted, but an example of using a mobile phone to help understanding of the present invention will be described.

The cradle 100 according to an embodiment of the present invention may include a base 110 and an adapter arm 120 .

The cradle 100 of FIGS. 1 and 2 illustrates the base 110 attached to and utilized on the dashboard of a vehicle as an example. However, it is not limited to this, and can be utilized in various ways, such as a form coupled to a sending port or a form inserted into a slot of a CD player. In addition, the base 110 is equipped with a means of movement such as wheels for easy movement, and provides a stable base so that it does not fall even when the cradle 100 according to an embodiment of the present invention is mounted and operated. can also be used as For example, a tripod or box support may be utilized. In describing the utilization example of the cradle 100 according to an embodiment, the form in which the base 110 itself moves and provides a support base has been described, but the base 110 is formed separately to provide a support base. It may be replaced with a form attached to the configuration. As the cradle 100 is free to move through the base 110, it is possible to increase the utilization of the cradle 100 by moving one cradle 100 and using it in various places.

In addition, the base 110 may be a handle carried by the user during the photographing process, or may be in the form of a connecting part that can be attached to various structures disposed at the photographing site. Corresponding to various shooting environments, there is an advantage that it can be used universally because it can be utilized by additionally mounting the cradle 100 to a structure in a portable form or a possible form or to various facilities existing around.

In the cradle 100 according to an embodiment, the base 110 and the adapter arm 120 are connected by the first adapter 130 so that they can be rotatably connected to each other. The adapter arm 120 according to an embodiment may have a rod shape having a predetermined length, but may have a shell shape including a space therein, and may have various cross-sectional shapes. In describing the cradle 100 according to various embodiments of the present invention, a case in which there is only one adapter arm 120 is mainly described to help understanding of the present invention, but is not limited thereto. For example, a plurality of adapter arms 120 may be attached to the base 110 in parallel.

The holder 100 according to an embodiment of the present invention can easily and quickly move and fix the mobile phone to a desired location by the user. At both ends of the adapter arm 120 according to an embodiment, a first adapter 130 and a second adapter 140, which can freely perform relative motion in the form of a ball joint and can be easily fixed through a wire, are provided. By placing the mobile phone, it is possible to easily move and fix the position of the mobile phone. More details will be described later along with the drawings below.

3 is a view showing the adapter arm 120 of the cradle 100 according to an embodiment of the present invention by way of example. Specifically, (a) of FIG. 3 is an exploded view of the adapter arm 120, and (b) of FIG. 3 is a perspective view showing an assembled state of the adapter arm 120.

The adapter arm 120 according to an embodiment of the present invention may include a first adapter 130 coupled to one end for relative movement and a second adapter 140 coupled to the other end for relative movement.

The first adapter 130 according to an embodiment may include a first ball tip 131, a first ball 133, a first ball holder 135, and a first holding line 137. The first ball tip 131 according to one embodiment is coupled to the base 110 to allow the adapter arm 120 to move freely with respect to the base 110 . The first ball tip 131 can be applied without limitation as long as it can be firmly coupled to the base 110, and can be screwed, for example.

The first ball 133 according to one embodiment is connected to the first ball tip 131 and may be formed in a spherical shape as a whole. Since the first ball 133 is formed in a spherical shape, free relative movement may be possible at one end of the adapter arm 120 . More specifically, within a range where the open portion of one end of the adapter arm 120 and the first ball tip 131 do not interfere with each other, various forms of relative motion can be performed. For example, pitching, yawing, and rolling about the longitudinal axis of the adapter arm 120 are possible. The first ball 133 may include a flat portion 133a formed on at least a portion thereof. For example, the flat portion 133a may be formed at a position such that the extending direction of the first ball tip 131 is perpendicular to the flat portion 133a. That is, it may be formed in the opposite direction to the first ball tip 131 with respect to the center of the first ball 133. Through this, it is possible to minimize the influence on the free movement of the first ball tip 131 relative to each other. The first ball 133 according to an embodiment may include a first through hole 134 . The first through hole 134 may be formed to be perpendicular to the plane portion 133a and may be formed to pass through the first ball 133 and the first ball tip 131 . The first through hole 134 may have the largest diameter in the planar portion 133a and decrease in diameter while extending toward the first ball tip 131 . That is, the first through hole 134 may be formed in a conical shape.

The first ball holder 135 according to one embodiment may be formed to contact the flat portion 133a of the first ball 133 . The first ball holder 135 may be formed larger than the area of the flat portion 133a, and may press the flat portion 133a according to the action of the first holding line 137 described later.

The first holding line 137 according to an embodiment may have one side connected to the first ball holder 135 and the other side connected to the driving unit 170 . The driving unit 170 may be applied in various ways as long as it has a configuration capable of applying manpower to the first holding line 137, and may be, for example, in the form of winding the first holding line 137 through a motor. One side of the first holding line 137 may pass through the first through hole 134 of the first ball 133 and be connected to the first ball holder 135 . In this state, when the driving unit 170 operates and winds the first holding line 137, the force is transmitted to the first ball holder 135 and presses the flat portion 133a of the first ball 133 to remove the The movement of 1 ball (133) can be fixed. Conversely, when the operation of the driving unit 170 is stopped or acts in the opposite way, the tension acting on the first holding line 137 is released so that the first ball holder 135 presses the flat part 133a of the first ball 133. lose the power to At this time, the first ball 133 can freely move relative to each other. At this time, the first through hole 134 of the first ball 133 has a large diameter on the plane portion 133a side, so that the first holding line 137 unintentionally restricts the movement of the first ball 133. It can be prevented.

The second adapter 140 according to an embodiment may include a second ball tip 141, a second ball 143, a second ball holder 145, and a second holding line 147. The second ball tip 141 according to one embodiment may be combined with a mobile phone, for example. The second ball tip 141 can be applied without limitation as long as it can be firmly coupled to the mobile phone. For example, it may be connected and combined with separate parts such as tongs or magnets. Compared to the forming direction of the first ball tip 131, the forming direction of the second ball tip 141 may be formed to cross each other instead of being parallel. For example, it may be arranged so as to be vertical as shown in FIG. 3 .

The second ball 143 according to one embodiment may be connected to the second ball tip 141 and formed in a spherical shape as a whole. Since the second ball 143 is formed in a spherical shape, free relative movement may be possible at the other end of the adapter arm 120 . More specifically, within a range where the open portion of the other end of the adapter arm 120 and the second ball tip 141 do not interfere with each other, various forms of relative motion can be performed.

The second ball holder 145 according to one embodiment may be formed to contact at least a portion of the surface of the second ball 143 . The second ball holder 145 may include a curved portion 145a corresponding to the surface shape of the second ball 143 . When at least a part of the surface of the second ball 143 is pressed by the action of the second holding line 147 described later, the surface of the second ball 143 can be evenly pressed through the curved portion 145a. .

The second holding line 147 according to an embodiment has one side connected to the second ball holder 145 and the other side passing through the first through hole 134 of the first ball 133 to drive unit 170 and can be connected Like the first holding line 137, the driving unit 170 may be applied in various ways as long as it has a configuration capable of applying an attractive force to the second holding line 147. For example, the second holding line 147 is wound through a motor. It may take the form The driving unit 170 may be respectively disposed on the first holding line 137 and the second holding line 147 or may be connected to one driving unit 170 . One side of the second holding line 147 may be formed of a plurality of strands and may be connected to the second ball holder 145 bypassing the second ball 143 . A plurality of strands formed on one side of the second holding line 147 transmits a uniform force to the second ball holder 145 so that the second ball 143 can be uniformly pressed. can be combined For example, the second ball 143 may be coupled at equal intervals around the contact surface of the second ball holder 145 .

In this state, when the driving unit 170 operates to wind the second holding line 147, the attractive force is transmitted to the second ball holder 145, and the curved portion 145a of the second ball holder 145 rotates the second holding line 147. The motion of the second ball 143 may be fixed by uniformly pressing the surface of the ball 143 . Conversely, when the operation of the driving unit 170 is stopped or acts in the opposite way, the tension acting on the second holding line 147 is released, so that the second ball holder 145 loses the force to press the second ball 143. At this time, the second ball 143 can freely move relative to each other. Tension may be simultaneously applied to the first holding line 137 and the second holding line 147 according to an embodiment, or tension may be applied at this time.

4 is a view showing the adapter arm 120 of the cradle 100 according to another embodiment of the present invention by way of example. Specifically, (a) of FIG. 4 is an exploded view of the adapter arm 120, and (b) of FIG. 4 is a perspective view showing the assembled state of the adapter arm 120.

As shown in FIG. 3, the adapter arm 120 of the cradle 100 according to another embodiment of the present invention includes a first adapter 130 coupled to one end for relative movement and a second adapter coupled to the other end for relative movement. 140, the first adapter 130 may include a first ball tip 131, a first ball 133, a first ball holder 135 and a first holding line 137 there is.

However, there may be a difference in the shape of the second adapter 140 according to another embodiment of the present invention. The second adapter 140 according to another embodiment may include a second ball tip 141, a second ball 143, a second ball holder 145, and a second holding line 147.

The second ball tip 141 according to another embodiment may be coupled to an object such as a mobile phone. The second ball tip 141 can be applied without limitation as long as it can be firmly coupled to the mobile phone. For example, it may be connected and combined with separate parts such as tongs or magnets. Compared to the forming direction of the first ball tip 131, the forming direction of the second ball tip 141 may be formed to cross each other instead of being parallel. For example, it may be arranged so as to be vertical as shown in FIG. 4 .

The second ball 143 according to another embodiment may be connected to the second ball tip 141 and formed in a spherical shape as a whole. Since the second ball 143 is formed in a spherical shape, free relative movement may be possible at the other end of the adapter arm 120 . More specifically, within a range where the open portion of the other end of the adapter arm 120 and the second ball tip 141 do not interfere with each other, various forms of relative motion can be performed. For example, pitching, yawing, and rolling about the longitudinal axis of the adapter arm 120 are possible. The second ball 143 according to another embodiment may include a second through hole 144 . The second through hole 144 may be formed to cross the direction of the second ball tip 141 . For example, as shown in FIG. 4 , it may be formed to be perpendicular to the direction of the second ball tip 141 . The second through hole 144 may have the largest diameter in the plane portion 143a and extend toward the center of the second ball 143 while decreasing in diameter and then increasing again. That is, the second through hole 144 may be formed in the shape of a mortar.

The second ball holder 145 according to another embodiment may be formed to contact the flat portion 143a of the second ball 143 . The second ball holder 145 may be formed to be larger than the size of the second through hole 144, and the flat portion 143a of the second ball 143 is formed according to the action of the second holding line 147 described later. can be pressurized.

The second holding line 147 according to another embodiment may have one side connected to the second ball holder 145 and the other side passed through the first through hole 134 and connected to the driving unit 170 . One side of the second holding line 147 may pass through the second through hole 144 of the second ball 143 and be connected to the second ball holder 145 . In this state, when the driving unit 170 operates and winds the second holding line 147, the force is transmitted to the second ball holder 145 and pressurizes the surface of the second ball 143 so that the second ball 143 ) can be fixed. Conversely, when the operation of the driving unit 170 is stopped or acts in the opposite way, the second ball 143 can again freely move relative to each other. At this time, the second through hole 144 has a large diameter on the surface of the second ball 143 to prevent the second holding line 147 from unintentionally restricting the movement of the second ball 143. can do. Tension may be simultaneously applied to the first holding line 137 and the second holding line 147 according to another embodiment, or tension may be applied at this time.

FIG. 5 is a perspective view of a holder 200 according to another embodiment of the present invention, and is a view showing motions of the second adapter arm 230 and the third adapter arm 250 by way of example.

The cradle 200 according to another embodiment of the present invention may include a base 210 , a first joint 220 , a second adapter arm 230 and a third adapter arm 250 .

In the cradle 200 according to another embodiment, the base 210 and the second adapter arm 230 are connected by the first joint 220, and the third adapter arm 250 is connected to the third adapter 240. It can be connected to the second adapter arm 230 so that relative movement is possible.

The first joint 220 according to another embodiment may rotate along any one axis defining a three-dimensional space. For example, it may be rotated along the X axis based on the illustrated state of FIG. 5 . The rotation of the first joint 220 can be driven using a power source such as a motor, and such movement can be controlled by a controller (not shown) through various sensors or by a user's switch operation.

The third adapter 240 according to another embodiment may connect the second adapter arm 230 and the third adapter arm 250 to allow relative movement. For example, pitching, yawing, and rolling movements of the third adapter arm 250 with respect to the longitudinal axis of the second adapter arm 230 may be possible.

The degree of freedom of motion of the first joint 220 according to another embodiment of the present invention may be increased or decreased along any one axis defining a 3D space.

The second adapter arm 230 and the third adapter arm 250 according to another embodiment may have a rod shape having a predetermined length and may be a shell shape including a space therein, and the cross section thereof The shape of can be formed in various ways. In describing the cradle 200 according to various embodiments of the present invention, a case in which the second adapter arm 230 and the third adapter arm 250 are each one is mainly described to help understanding of the present invention, but is not limited thereto. don't For example, a plurality of second adapter arms 230 and third adapter arms 250 may be attached to the base 210 in parallel.

6 is a view showing the second adapter arm 230 and the third adapter arm 250 of the cradle 200 according to another embodiment of the present invention by way of example. Specifically, (a) of FIG. 6 is an exploded view of the second adapter arm 230 and the third adapter arm 250, and (b) of FIG. 6 is an exploded view of the second adapter arm 230 and the third adapter arm 250. This is a perspective view of the assembled state.

The second adapter arm 230 according to an embodiment of the present invention has one end coupled to the first joint 220 (see FIG. 5) and the other end coupled to the third adapter 240 for relative movement. . The second adapter arm 230 may move along with the movement of the first joint 220 .

The third adapter 240 according to an embodiment includes a third ball tip 241, a third ball 243, a third ball holder 245, a third elastic body 249, and a third holding line 247. can include

The third ball tip 241 according to an embodiment may be coupled to one end of the third adapter arm 250 . The third ball tip 241 can be applied without limitation as long as it can be firmly coupled to the third adapter arm 250, and can be screwed, for example. A portion where the third ball tip 241 and one end of the third adapter arm 250 are coupled may be wrapped with a bellows tube 242 or the like so as not to be directly exposed.

The third ball 243 according to an embodiment may be connected to the third ball tip 241 and formed in a spherical shape as a whole. Since the third ball 243 is formed in a spherical shape, free relative movement may be possible at the other end of the second adapter arm 230 . More specifically, within a range where the open portion of the other end of the second adapter arm 230 and the third ball tip 241 do not interfere with each other, various forms of relative motion can be performed. For example, pitching, yawing, and rolling are possible with respect to the longitudinal axis of the second adapter arm 230 . Accordingly, the third adapter arm 250 is capable of pitching, yawing, and rolling with respect to the longitudinal axis of the second adapter arm 230 .

The third ball holder 245 according to one embodiment may be formed to contact the surface of the third ball 243 . More specifically, the third ball holder 245 may be located in the opposite direction of the third ball tip 241 with the third ball 243 as the center. The third ball holder 245 can press the surface of the third ball 243 according to the action of the third elastic body 249 to be described later, and according to the action of the third holding line 247, the third ball 243 ) can be spaced from the surface of

The third elastic body 249 according to an embodiment may press the third ball holder 245 toward the surface of the third ball 243 . The elastic force of the third elastic body 249 is sufficient to fix the movement of the third adapter 240 . For example, a spring may be used as the third elastic body 249, and in addition to this, any configuration formed to press the third ball holder 245 toward the surface of the third ball 243 may be freely applied.

The third holding line 247 according to an embodiment may have one side connected to the third ball holder 245 and the other side connected to the driving unit 270 . The driving unit 270 may be applied in various ways as long as it has a configuration capable of forming tension on the third holding line 247, and may be, for example, in the form of winding the third holding line 247 through a motor. When the driving unit 270 operates and winds the third holding line 247, tension is transmitted to the third ball holder 245, and the third ball holder 245 compresses the third elastic body 249 to form a third ball holder 245. The pressing force of the surface of the ball 243 can be reduced. Conversely, when the operation of the driving unit 270 is stopped or acts in the opposite way, the tension acting on the third holding line 247 is released and the force for compressing the third elastic body 249 is lost. Accordingly, the elastic force of the third elastic body 249 presses the third ball holder 245 toward the surface of the third ball 243, and the third ball 243 may be fixed.

The driving unit 270 according to an embodiment may adjust the force for compressing the third elastic body 249 by adjusting the tension applied to the third holding line 247 . For example, considering the load of the third adapter arm 250 connected to the third adapter 240 and the mobile phone, the third elastic body 249 allows only the minimum force capable of supporting it to be transmitted to the third ball 243. ) can be adjusted to compress the force. In this case, even if the fixing of the third adapter 240 and the fourth adapter 260 is released to adjust the position of the mobile phone, it is possible to prevent the third adapter arm 250 from drastically sagging due to the weight of the mobile phone, and to keep the mobile phone In the process of moving, the burden caused by the load can be reduced.

One side of the third holding line 247 according to an embodiment may be formed of a plurality of strands. A plurality of strands formed on one side of the third holding line 247 transmits a uniform force to the third ball holder 245 so as to uniformly press the third elastic body 249 and the third ball holder 245. can be combined For example, based on the center point of the third ball 243, it may be coupled at equal intervals within the same circle.

The third adapter arm 250 according to an embodiment of the present invention may have one end coupled to the third ball tip 241 and the other end coupled so that the fourth adapter 260 moves relatively.

The fourth adapter 260 according to an embodiment includes a fourth ball tip 261, a fourth ball 263, a fourth ball holder 265, a fourth elastic body 269, and a fourth holding line 267. can include

The fourth ball tip 261 according to an embodiment may be coupled to an object such as a mobile phone. The fourth ball tip 261 can be applied without limitation as long as it can be firmly coupled to the mobile phone. For example, it may be connected and combined with separate parts such as tongs or magnets. Compared to the forming direction of the fourth ball tip 261, the forming direction of the fourth ball tip 261 may be formed to cross each other instead of being parallel to each other. For example, it may be arranged so as to be vertical as shown in FIG. 6 .

The fourth ball 263 according to an embodiment may be connected to the fourth ball tip 261 and formed in a spherical shape as a whole. Since the fourth ball 263 is formed in a spherical shape, free relative movement may be possible at the other end of the third adapter arm 250 . More specifically, within a range where the open portion of the other end of the third adapter arm 250 and the fourth ball tip 261 do not interfere with each other, various forms of relative motion can be performed.

The fourth ball holder 265 according to an embodiment may be formed to contact the surface of the fourth ball 263 . The fourth ball holder 265 can press the surface of the fourth ball 263 according to the action of the fourth elastic body 269 described later, and according to the action of the fourth holding line 267, the fourth ball 263 ) can be spaced from the surface of

The fourth elastic body 269 according to an embodiment may press the fourth ball holder 265 toward the surface of the fourth ball 263 . The elastic force of the fourth elastic body 269 is sufficient to fix the movement of the fourth adapter 260 . For example, a spring may be used as the fourth elastic body 269, and in addition to this, any configuration formed to press the fourth ball holder 265 toward the surface of the fourth ball 263 may be freely applied.

The fourth holding line 267 according to an embodiment may have one side connected to the fourth ball holder 265 and the other side connected to the driving unit 270 . The driving unit 270 may be applied in various ways as long as it is configured to form tension on the fourth holding line 267, and may be, for example, in the form of winding the fourth holding line 267 through a motor. When the driving unit 270 operates and winds the fourth holding line 267, the tension is transmitted to the fourth ball holder 265, and the fourth ball holder 265 compresses the fourth elastic body 269 so that the fourth ball The pressing force of the surface of (263) can be reduced. Conversely, when the operation of the driving unit 270 is stopped or acts in the opposite way, the tension acting on the fourth holding line 267 is released and the force compressing the fourth elastic body 269 is lost. Accordingly, the elastic force of the fourth elastic body 269 presses the fourth ball holder 265 toward the surface of the fourth ball 263, and the fourth ball 263 may be fixed.

The driver 270 according to an embodiment may adjust the force for compressing the third elastic body 249 by adjusting the tension applied to the fourth holding line 267 . For example, considering the load of the mobile phone connected to the fourth adapter 260, the force for compressing the fourth elastic body 269 can be adjusted so that only the minimum force capable of supporting it is transmitted to the fourth ball 263. there is. In this case, even if the fixing of the fourth adapter 260 is released to adjust the position of the mobile phone, it is possible to prevent the mobile phone from drooping suddenly due to the load of the mobile phone, and to reduce the burden caused by the load in the process of moving the mobile phone.

One side of the fourth holding line 267 according to an embodiment may be formed of a plurality of strands. A plurality of strands formed on one side of the fourth holding line 267 transmits a uniform force to the fourth ball holder 265 so that the fourth elastic body 269 can be uniformly pressed. can be combined For example, based on the center point of the fourth ball 263, it may be coupled at equal intervals within the same circle.

Tension may be simultaneously applied to the third holding line 247 and the fourth holding line 267 according to an embodiment, or tension may be applied at this time.

7 is a view showing the second adapter arm 230 and the third adapter arm 250 of the cradle 100 according to another embodiment of the present invention by way of example. Specifically, (a) of FIG. 7 is an exploded view of the second adapter arm 230 and the third adapter arm 250, and (b) of FIG. 7 is an exploded view of the second adapter arm 230 and the third adapter arm 250. This is a perspective view of the assembled state.

Compared to the holder 200 shown in FIG. 6, the holder 200 shown in FIG. 7 has a form in which the third holding line 247 is combined with the third ball holder 245 and the fourth holding line 267 There is a difference in the form combined with the fourth ball holder 265.

The third ball 243 according to another embodiment may be connected to the third ball tip 241 and formed in a spherical shape as a whole. The third ball 243 according to another embodiment may include a third through hole 244 . The third through hole 244 may be formed to pass through the third ball 243 and the third ball tip 241 . The third through hole 244 may have the largest diameter on the surface of the third ball 243 and decrease in diameter while extending toward the third ball tip 241 . That is, the third through hole 244 may be formed in a conical shape. The third holding line 247 may be connected to the center of the third ball holder 245 as a single strand. However, like the third holding line 247 of FIG. 6, it may be formed of a plurality of strands.

The fourth holding line 267 according to another embodiment may have one side connected to the fourth ball holder 265 and the other side passed through the third through hole 244 and connected to the driving unit 270 . One side of the fourth holding line 267 may be connected to the fourth ball holder 265 . The fourth holding line 267 may be connected to the fourth ball holder 265 with a single strand, or may be formed with a plurality of strands similarly to the fourth holding line 267 of FIG. 6 .

In this state, when the driving unit 270 operates and winds the fourth holding line 267, tension is transmitted to the fourth ball holder 265, and the fourth ball holder 265 compresses the fourth elastic body 269. The pressing force of the surface of the fourth ball 263 can be reduced. Conversely, when the operation of the driving unit 270 is stopped or acts in the opposite way, the tension acting on the fourth holding line 267 is released and the force compressing the fourth elastic body 269 is lost. Accordingly, the elastic force of the fourth elastic body 269 presses the fourth ball holder 265 toward the surface of the fourth ball 263, and the fourth ball 263 may be fixed.

8 to 9 are views illustrating a cradle 200 having an increased number of joints according to various embodiments of the present invention.

The cradle 200 shown in FIG. 8 is different from the cradle 200 shown in FIG. 6 in that the number of joints is increased. For example, the number of joints may be increased by adding the same or

similar structures

230a and 230b to the second adapter arm 230 between the second adapter arm 230 and the third adapter arm 250 . In addition, the third adapter similar structures 240a and 240b may be included in the

structures

230a and 230b similar to the second adapter arm 230 . Similarly, the third adapter similar structures 240a and 240b include the third ball tip

similar structures

241a and 241b, the third ball

similar structures

243a and 243b, the third ball holder

similar structures

245a and 245b, and the third ball

similar structures

245a and 245b. It may include structures similar to

elastic bodies

249a and 249b and structures similar to third holding lines 247a and 247b.

Similarly, the cradle 200 shown in FIG. 9 is different from the cradle 200 shown in FIG. 7 in that the number of joints is increased. For example, the number of joints may be increased by adding the same or

similar structures

230a and 230b to the second adapter arm 230 between the second adapter arm 230 and the third adapter arm 250 . Similarly, the third adapter-like structures 240a and 240b include the third ball-tip

similar structures

241a and 241b, the third ball-

like structures

243a and 243b, the third through-hole-

like structures

244a and 244b, and the third ball-

like structures

241a and 241b. Ball holder-

like structures

245a and 245b, third elastic body-

like structures

249a and 249b, and third holding line-like structures 247a and 247b may be included.

As the number of joints increases, the movement of the mobile phone becomes more flexible and it becomes easier to move the mobile phone to a desired position.

It is apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit and essential characteristics of the present invention.

The above detailed description should not be construed as limiting in all respects and should be considered illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention.

Claims

Base; and

An adapter arm coupled to one end for relative movement, a second adapter coupled to the other end for relative movement, and the first adapter rotatably coupled to the base,

The first adapter,

A first ball tip coupled to the base;

A first ball that is connected to the first ball tip and has a spherical shape but includes a flat portion at least in part;

a first ball holder in contact with the flat portion of the first ball; and

A cradle comprising a; first holding line, one side of which is connected to the first ball holder, and presses the first ball holder toward the plane portion of the first ball.
According to claim 1,

Further comprising a driving unit connected to the other side of the first holding line,

The first ball holder is a cradle for pressing the first ball holder in the direction of the plane portion of the first ball by transmitting the attractive force generated by the operation of the driving unit through the first holding line.
According to claim 2,

The first ball includes a first through hole formed in a direction perpendicular to the plane portion of the first ball;

The cradle, characterized in that the other side of the first holding line passes through the first through hole and is connected to the driving unit.
According to claim 3,

The cradle formed so that the diameter of the first through hole gradually narrows from the plane portion of the first ball.
According to claim 3,

The second adapter,

a second ball tip disposed to cross a direction of the first ball tip;

A second ball connected to the second ball tip and formed in a spherical shape;

a second ball holder in contact with the surface of the second ball; and

A cradle including a second holding line, one side of which is connected to the second ball holder and presses the second ball holder to the surface of the second ball.
According to claim 5,

The other side of the second holding line is connected to the driving part, and the second ball holder moves the second ball holder to the surface of the second ball by transferring the attractive force generated by the operation of the driving part through the second holding line. pressurized cradle.
According to claim 6,

The second ball holder includes a curved portion corresponding to the shape of the surface of the second ball.
According to claim 6,

One side of the second holding line is formed of a plurality of strands, and is connected to the second ball holder by bypassing the second ball.
According to claim 7,

One side of the second holding line is coupled to the second ball holder at equal intervals so that the second ball holder can be uniformly pressed in the direction of the second ball.
According to claim 7,

The cradle, characterized in that the other side of the second holding line passes through the first through hole and is connected to the driving unit.
According to claim 10,

The second ball includes a second through hole formed in the direction of the first through hole,

One side of the second holding line passes through the second through hole and is connected to the second ball holder.
According to claim 11,

The cradle formed so that the diameter of the second through hole is the largest on the surface of the second ball and narrows toward the center of the second ball.
According to claim 6,

The driving unit is formed to apply an attractive force to the first holding line or the second holding line by fluid pressure, magnetic force, or electromagnetic force.
Base;

A first joint having one side rotatably coupled to the base;

a second adapter arm having one end coupled to the other end of the first joint and a third adapter coupled to the other end to enable relative movement; and

A third adapter arm having one end coupled to the third adapter and having a fourth adapter coupled to the other end to enable relative movement;

The third adapter,

a third ball tip coupled to the third adapter arm;

A third ball connected to the third ball tip and having a spherical shape;

a third ball holder contacting the surface of the third ball;

a third elastic body for pressing the third ball holder toward the third ball; and

A third holding line having one side connected to the third ball holder and separating the third ball holder from the third ball;

The fourth adapter,

a fourth ball tip disposed to cross a direction of the third ball tip;

A fourth ball connected to the fourth ball tip and formed in a spherical shape;

a fourth ball holder contacting the surface of the fourth ball;

a fourth elastic body for pressing the fourth ball holder toward the fourth ball; and

A cradle including a; fourth holding line, one side of which is connected to the fourth ball holder and separates the fourth ball holder from the fourth ball.
According to claim 14,

Further comprising a driving unit connected to the other side of the third holding line,

The third ball holder is a cradle that separates the third ball holder from the third ball by transmitting the attractive force generated by the operation of the driving unit through the third holding line.
According to claim 15,

The third ball includes a third through hole formed to pass through the third ball tip and the third ball,

The cradle, characterized in that the fourth holding line passes through the third through-hole and is connected to the driving unit.
According to claim 16,

The diameter of the third through hole is constant within the third ball tip and gradually narrows within the third ball.
According to claim 16,

The driving unit is formed to apply an attractive force to the third holding line or the fourth holding line by fluid pressure, magnetic force, or electromagnetic force.
According to claim 14,

One side of the third holding line is formed of a plurality of strands, and the third ball holder is coupled to the third ball holder at equal intervals so as to uniformly press the third ball holder toward the third elastic body.