CN219120213U - Rotary connecting structure - Google Patents

Abstract

The utility model provides a rotary connecting structure, and relates to the technical field of supporting devices. The connecting device comprises a first connecting part, a second connecting part and a first fastening part, wherein the first fastening part comprises a first fastening part and a second fastening part, the first connecting part is rotationally connected with the second connecting part, the first fastening part and the second fastening part interact to enable a rotation damping force to exist between the first connecting part and the second connecting part, the first fastening part is in fastening contact with the first connecting part, and the second fastening part is in fastening contact with the second connecting part; the rotary connecting structure is used for connecting a first main body and a second main body of the supporting device, the first connecting part is arranged on the first main body, and the second connecting part is arranged on the second main body. The rotary connecting structure provided by the embodiment of the utility model can easily and quickly damp the first connecting part on the second connecting part.

Description

Rotary connecting structure

Technical Field

The utility model relates to the technical field of supporting devices, in particular to a rotary connecting structure.

Background

The supporting device is a device for supporting an electric main body of a fan head, a lamp, a photographing terminal, etc., and generally includes a support rod, a connector, etc., for example, the supporting device may be a part of a photographing bracket, a fan, a desk lamp, etc.

In the prior art, the main body part comprises an electricity utilization main body, a rod main body, a supporting main body and the like, the adjacent two main bodies are rotationally connected to realize the angle adjustment between the two main bodies, the rotating connection parts of the two main bodies are provided with fastening pieces, the two main bodies can be mutually fixed by locking the fastening pieces, the two main bodies can be mutually rotated by loosening the fastening pieces, and the two main bodies can be locked by usually needing larger torsional moment in the prior supporting device, so that the supporting device is very inconvenient to use.

Disclosure of Invention

In view of the drawbacks and deficiencies of the prior art, a first object of the present utility model is to provide a rotational connection.

The embodiment of the utility model provides a rotary connecting structure, which is used for supporting a supporting device of an electricity utilization main body and comprises a first connecting part, a second connecting part and a first fastening piece, wherein the first fastening piece comprises a first fastening part and a second fastening part, the first connecting part is rotationally connected with the second connecting part, the first fastening part and the second fastening part interact to enable a rotary damping force to be arranged between the first connecting part and the second connecting part, the first fastening part is in fastening contact with the first connecting part, and the second fastening part is in fastening contact with the second connecting part; the rotary connecting structure is used for connecting a first main body and a second main body of the supporting device, the first connecting part is arranged on the first main body, and the second connecting part is arranged on the second main body.

Preferably, the fastening force of the first fastener is adjustable.

Preferably, the first fastening portion includes a first connecting rod and a first connector provided on the first connecting rod, the first connector is in fastening contact with the first connecting portion, the second fastening portion is a screw member screwed with the first connecting rod, and the first connecting rod passes through the first connecting portion and the second connecting portion so that the first connecting portion is rotatably connected with the second connecting portion.

Preferably, the first connecting portion rotates around a first rotation axis relative to the second connecting portion, the first connecting joint is provided with an adjusting portion for adjusting a fastening force of the first fastener, and the second fastening portion is fixed circumferentially around the first rotation axis relative to the first connecting portion.

Preferably, the first connecting portion has a first extension arm and a second extension arm, the second connecting portion is located between the first extension arm and the second extension arm, the first connecting rod sequentially passes through the first extension arm, the second connecting portion and the second extension arm, the first connecting head is in fastening contact with the first extension arm, and the second fastening portion is circumferentially fixed around the first rotation axis relative to the second extension arm.

Preferably, the second extension arm is provided with a second accommodation groove, and the second fastening portion is fixed circumferentially around the first rotation axis relative to the second accommodation groove.

Preferably, the first extension arm is provided with a first accommodating groove, the first connector is accommodated in the first accommodating groove, and/or the second fastening part is accommodated in the second accommodating groove.

Preferably, in the case that the first extension arm is provided with the first accommodating groove, the first extension arm is provided with a first cover, the first cover is detachably mounted in the first accommodating groove, and the first cover seals the first connector in the first accommodating groove; under the condition that the second extension arm is provided with the second accommodating groove, the second extension arm is provided with a second sealing cover, the second sealing cover is detachably arranged in the second accommodating groove, and the second sealing cover seals the second fastening part in the second accommodating groove.

Preferably, the second fastening portion is provided with an adjusting portion for adjusting a fastening force of the first fastening member, and the first connecting head is fixed circumferentially around the first rotational axis with respect to the first connecting portion.

Preferably, the first connecting part is provided with a first extending arm and a second extending arm, the second connecting part is positioned between the first extending arm and the second extending arm, the first connecting rod sequentially passes through the first extending arm, the second connecting part and the second extending arm, and the first connecting head is in fastening contact with the first extending arm;

the first connector is circumferentially fixed about the first rotational axis relative to the first extension arm.

Preferably, the first extension arm is provided with a first accommodation groove, and the first connector is fixed circumferentially around the first rotation axis relative to the first extension arm.

Preferably, the first connector is accommodated in the first accommodating groove, and/or the second extension arm is provided with a second accommodating groove, and the second fastening part is accommodated in the second accommodating groove.

Preferably, in the case that the first extension arm is provided with the first accommodating groove, the first extension arm is provided with a first cover, the first cover is detachably mounted in the first accommodating groove, and the first cover seals the first connector in the first accommodating groove; under the condition that the second extension arm is provided with the second accommodating groove, the second extension arm is provided with a second sealing cover, the second sealing cover is detachably arranged in the second accommodating groove, and the second sealing cover seals the second fastening part in the second accommodating groove.

Preferably, the first connecting part is provided with a first extending arm and a second extending arm, the second connecting part is positioned between the first extending arm and the second extending arm, the first connecting rod sequentially passes through the first extending arm, the second connecting part and the second extending arm, and the first connecting head is in fastening contact with the first extending arm; the first extension arm is provided with a first accommodating groove, the first connector is accommodated in the first accommodating groove, and/or the second extension arm is provided with a second accommodating groove, and the second fastening part is accommodated in the second accommodating groove.

Preferably, in the case that the first extension arm is provided with the first accommodating groove, the first extension arm is provided with a first cover, the first cover is detachably mounted in the first accommodating groove, and the first cover seals the first connector in the first accommodating groove; under the condition that the second extension arm is provided with the second accommodating groove, the second extension arm is provided with a second sealing cover, the second sealing cover is detachably arranged in the second accommodating groove, and the second sealing cover seals the second fastening part in the second accommodating groove.

Preferably, the first fastener acts on the first and second connection portions in a non-penetrating manner.

The embodiment of the utility model also provides a shooting bracket which comprises a first rod body, a clamp and the rotating connection structure, wherein the first rod body is used for supporting the clamp, and the clamp is used for loading an electronic terminal; the first rod body is a first main body of the shooting bracket, and the clamp is a second main body of the shooting bracket; or, the clamp is a first main body of the shooting support, and the first rod body is a second main body of the shooting support.

According to the rotary connecting structure provided by the embodiment of the utility model, after the first fastening piece is locked, the first fastening part is directly fastened and contacted with the first connecting part, and the second fastening part is directly fastened and contacted with the second connecting part, so that the first connecting part and the second connecting part directly form damping force, the first connecting part can be easily and quickly damped on the second connecting part, and the first main body can be easily and quickly locked on the second main body.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of an implementation of a photographing bracket according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the photographing bracket shown in FIG. 1 along the line A-A;

FIG. 3 is an enlarged view of the structure at B in FIG. 2;

FIG. 4 is a schematic diagram of another implementation of a rotational coupling structure according to an embodiment of the present utility model;

fig. 5 is a right side view of the photographing bracket shown in fig. 1;

fig. 6 is a left side view of the photographing bracket shown in fig. 1;

fig. 7 is a state diagram (rear view with respect to fig. 1) of the photographing bracket shown in fig. 1 when the electronic terminal is loaded;

fig. 8 is a perspective view of the photographing bracket shown in fig. 1 (hiding the first cover, the second cover);

FIG. 9 is an enlarged view of the structure at C in FIG. 8;

fig. 10 is another angular perspective view of the photographing bracket shown in fig. 8;

FIG. 11 is an enlarged view of the structure at D in FIG. 10;

FIG. 12 is a perspective view of the photographing bracket of FIG. 8 with the first fastener hidden;

FIG. 13 is an enlarged view of the structure at E in FIG. 12;

fig. 14 is another angular perspective view of the photographing bracket shown in fig. 12;

fig. 15 is an enlarged view of the structure at F in fig. 14;

fig. 16 is a perspective view of the first connection portion of fig. 15;

fig. 17 is another perspective view of the first connecting portion shown at 16;

fig. 18 is a perspective view of the clip and the second connecting portion of the photographing bracket shown in fig. 14;

FIG. 19 is another angular perspective view of the structure shown in FIG. 18;

FIG. 20 is a perspective view of the first fastener in the configuration illustrated in FIG. 11;

FIG. 21 is a schematic diagram of another implementation of a rotational coupling structure according to an embodiment of the present utility model;

FIG. 22 is a schematic diagram of another implementation of a rotational coupling structure according to an embodiment of the present utility model;

fig. 23 is a schematic structural view of another implementation of the photographing bracket shown in fig. 1.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and those skilled in the art can make modifications to the present embodiment which do not contribute to the utility model as required after reading the present specification, but are protected by the patent laws within the scope of the appended claims.

Referring to fig. 1 to 22, an embodiment of the present utility model provides a rotation connection structure for supporting a supporting device of an electric main body 3, including a first connection portion 110, a second connection portion 120, and a first fastening member 130, wherein the first fastening member 130 includes a first fastening portion 131 and a second fastening portion 132, the first connection portion 110 is rotatably connected to the second connection portion 120, the first fastening portion 131 and the second fastening portion 132 interact to provide a rotation damping force between the first connection portion 110 and the second connection portion 120, the first fastening portion 131 is in fastening contact with the first connection portion 110, and the second fastening portion 132 is in fastening contact with the second connection portion 120; the rotary connection structure is used for connecting a first body and a second body of the supporting device, the first connection portion 110 is arranged on the first body, and the second connection portion 120 is arranged on the second body.

In the rotary connection structure provided by the embodiment of the utility model, after the first fastener 130 is locked, the first fastening portion 131 is directly fastened and contacted with the first connection portion 110, and the second fastening portion 132 is directly fastened and contacted with the second connection portion 120, so that the first connection portion 110 and the second connection portion 120 directly form a damping force, the first connection portion 110 can be easily and quickly damped on the second connection portion 120, and the first main body can be easily and quickly locked on the second main body.

The power consumption main body 3 may be an electronic terminal 3 (fig. 23) such as a mobile phone, a tablet, a camera, or a fan, a lamp, or the like.

Illustratively, the first connection 110 may be integrally or detachably provided to the first body, and the second connection may be integrally or detachably provided to the second body.

Illustratively, the first fastener 130 may be a threaded fastener, a rivet, or the like, for example, the first fastener 130 may be a combination of a nut and a screw, the first fastening portion 131 may be a screw, the second fastening portion 132 may be a nut (fig. 3, 4, 21, 22, or the like), for example, the first fastener 130 may be a rivet, the first fastening portion 131 may be a rivet body, and the second fastening portion 132 may be a rivet body.

For example, referring to fig. 23, the first body and the second body may be body members of the supporting device, for example, the first body may be a rod body of the supporting device, a connector for mounting the power-using body 3, and a support portion 4 for supporting on a table or a ground, the support portion 4 may be a plurality of legs of the multi-leg supporting device, and the support portion 4 may be a base of any shape.

Illustratively, due to the action of the first fastener 130, there is a pressure between the first and second connection portions 110 and 120, and when the first and second connection portions 110 and 120 have a rotational tendency with respect to each other, there is a static friction between the first and second connection portions 110 and 120, thereby forming a rotational damping force between the first and second connection portions 110 and 120. When the rotational moment between the first and second connection parts 110 and 120 is less than the rotational damping force, the first and second bodies are held with each other, and when the rotational moment between the first and second connection parts 110 and 120 is greater than the rotational damping force, the first and second connection parts 110 and 120 are relatively rotated with respect to each other, thereby adjusting the angles of the first and second bodies.

In some implementations of embodiments of the present utility model, referring to fig. 3, 4, 21, 22, etc., the fastening force of the first fastening member 130 may be adjustable, wherein the adjusting portion 133 may be provided at the first fastening portion 131 and/or the second fastening portion 132. This has the advantage that when the damping force of the first and second connection parts 110 and 120 becomes smaller, the first fastener 130 can be adjusted to increase the damping force between the first and second connection parts 110 and 120.

In some implementations of the embodiment of the present utility model, referring to fig. 3, 4, 21, 22, etc., the first fastening portion 131 includes a first connection rod 131a and a first connection joint 131b provided to the first connection rod 131a, the first connection joint 131b is in fastening contact with the first connection portion 110, the second fastening portion 132 is a screw member screwed with the first connection rod 131a, and the first connection rod 131a passes through the first connection portion 110 and the second connection portion 120 to rotatably connect the first connection portion 110 to the second connection portion 120. Illustratively, the first connecting rod 131b is integrally provided with the first connecting rod 131a, the first fastening member 130 is a screw, and the second fastening portion 132 is a nut; the first connection head 131b is screwed to the first connection head 131a, the first connection head 131a is a threaded column, the first connection head 131b is a nut, and the second fastening portion 132 is a nut.

In some implementations of the present embodiment, referring to fig. 3, 4, 9, 11, etc., the first connection part 110 is rotated about the first rotation axis 101 with respect to the second connection part 120, the first connection head 131b is provided with an adjusting part 133 for adjusting the fastening force of the first fastener 130, and the second fastening part 132 is fixed circumferentially about the first rotation axis 101 with respect to the first connection part 110. The advantage of this arrangement is that, on the one hand, when the adjusting portion 133 is rotated, the second fastening portion 132 is prevented from rotating along with the first connector 131b, so that the first fastening member 130 is conveniently adjusted, and on the other hand, because the second fastening portion 132 is in fastening contact with the second connecting portion 120 and is circumferentially fixed relative to the first connecting portion 110, when the first connecting portion 110 rotates relative to the second connecting portion 120, the second fastening portion 132 is prevented from being driven by the second connecting portion 120 to rotate, and the first fastening member 130 is prevented from loosening due to the relative rotation of the first connecting portion 110 relative to the second connecting portion 120.

Illustratively, the adjustment portion 133 may be a groove, which may be a "straight" groove, a "cross" groove, a plum blossom groove, or a polygonal column groove; for example, the adjustment portion 133 may be a "straight" shaped protrusion, a "cross" shaped protrusion, a quincuncial protrusion, or a polygonal protrusion.

For example, referring to fig. 3, 9, 11, etc., the cross section of the second fastening part 132 may have a polygonal, semicircular, elliptical, etc. non-circular shape, and the first connection part 110 is provided with the second receiving groove 102, and the cross section of the second receiving groove 102 may have a polygonal, semicircular, elliptical, etc. non-circular shape that is adapted to the second fastening part 132, and the second fastening part 132 is received in the second receiving groove 102, such that the second fastening part 132 is circumferentially fixed with respect to the first connection part 110; alternatively, the second fastening portion 132 is provided with a groove having a non-circular cross section such as a polygonal shape, a semicircular shape, an oval shape, etc., and the first connecting portion 110 is provided with a protrusion adapted thereto, and the groove of the second fastening portion 132 is matched with the protrusion of the first connecting portion 110 so that the second fastening portion 132 is circumferentially fixed with respect to the first connecting portion 110.

Illustratively, the second fastening portion 132 has a first fixing surface, the first connecting portion 110 has a second fixing surface, the first fixing surface is a non-cylindrical surface such as a plane, a folded surface, an elliptical surface, and the second fixing surface is a non-cylindrical surface such as a corresponding plane, folded surface, elliptical surface, and the first fixing surface mates with the second fixing surface, so that the second fastening portion 132 is circumferentially fixed with respect to the first connecting portion 110.

In some implementations of the present embodiment, referring to fig. 3 and the like, the first connection portion 110 has a first extension arm 111 and a second extension arm 112, the second connection portion 120 is located between the first extension arm 111 and the second extension arm 112, the first connection rod 131a sequentially passes through the first extension arm 111, the second connection portion 120 and the second extension arm 112, the first connection head 131b is in fastening contact with the first extension arm 111, and the second fastening portion 132 is fixed circumferentially about the first rotation axis 101 with respect to the second extension arm 112. The provision of the first extension arm 111, the second extension arm 112 has the advantage that it is convenient to provide the second fastening portion 132, the first fastening portion 131 in the form of "the second fastening portion 132 is circumferentially fixed with respect to the first connecting portion 110, the first fastening portion 131 is in fastening contact with the first connecting portion 110, and the second fastening portion 132 is in fastening contact with the second connecting portion 120".

As another example, referring to fig. 4, the first connection portion 110 is extended with only the first extension arm 111, the second connection portion 120 is rotatably connected with the first extension arm 111, the first connection rod 131a sequentially passes through the first extension arm 111 and the second connection portion 120, the first connection head 131b is in fastening contact with the first extension arm 111, the second fastening portion 132 is in fastening contact with the second connection portion 120, and the second fastening portion 132 is circumferentially fixed with respect to the first connection portion 110 about the first rotation axis 101.

In some implementations of embodiments of the utility model, referring to fig. 3, 9, etc., the second extension arm 112 is provided with a second receiving groove 102, and the second fastening portion 132 is fixed circumferentially about the first rotational axis 101 relative to the second receiving groove 102. Specifically, the second accommodating groove 102 is a polygonal prism groove, and the second fastening portion 132 has a polygonal prism shape.

In some implementations of embodiments of the present utility model, referring to fig. 3, 4, 21, 22, etc., the first extension arm 111 is provided with a first receiving groove 103, the first connection head 131b is received in the first receiving groove 103, and/or the second fastening portion 132 is received in the second receiving groove 102. The first accommodation groove 103 and the second accommodation groove 102 have the advantage of being convenient for hiding the first connecting head 131b and the second fastening part 132, so that the rotary connecting structure is more attractive and compact.

For example, referring to fig. 3, 16, 21, etc., the second receiving groove 102 is provided penetrating the second extension arm 112 in order to bring the second fastening portion 132 into fastening contact with the second connection portion 120.

For example, referring to fig. 3, 4, 16, 21, 22, etc., in order to make the first connection point 131b in fastening contact with the first extension arm 111, the bottom of the first receiving groove 103 is provided with a retaining step 111a, and the first connection point 131b is in fastening contact with the retaining step 111a, so that the first connection point 131b is in fastening contact with the first extension arm 111.

In some implementations of the present embodiment, referring to fig. 3, 4, 21, 22, etc., in the case where the first extension arm 111 is provided with the first receiving groove 103, the first extension arm 111 is provided with the first cover 141, the first cover 141 is detachably mounted to the first receiving groove 103, and the first cover 141 encloses the first connection head 131b within the first receiving groove 103; in the case that the second extension arm 112 is provided with the second accommodating groove 102, the second extension arm 112 is provided with the second cover 142, the second cover 142 is detachably mounted in the second accommodating groove 102, and the second cover 142 seals the second fastening portion 132 in the second accommodating groove 102. The first cover 141 and the second cover 142 have the advantage of hiding the first connector 131b and the second fastening portion 132, so that the rotating connection structure is more attractive and compact. When the first fastener 130 needs to be adjusted, the second cover 142 or the first cover 141 may be detached.

Illustratively, the first cover 141 is mounted to the first receiving groove 103 with a tight fit, and the second cover 142 is mounted to the second receiving groove 102 with a tight fit.

In some implementations of the present embodiment, referring to fig. 21, 22, etc., the second fastening portion 132 is provided with an adjusting portion 133 for adjusting the fastening force of the first fastening member 130, and the first connection head 131b is fixed circumferentially about the first rotation axis 101 with respect to the first connection portion 110. Illustratively, the adjusting portion 133 may be a groove, which may be a "straight" groove, a "cross" groove, a plum blossom groove, a polygonal groove, or the like; for example, the adjustment portion 133 may be a "straight" shaped protrusion, a "cross" shaped groove, a plum blossom groove, a polygonal column shaped protrusion, or the like.

Illustratively, the adjustment portion 133 may be a groove, which may be a "straight" groove, a "cross" groove, a "plum groove, or a polygonal column groove; illustratively, the adjustment portion 133 may be in the form of a "straight" projection, a quincuncial projection, a "cross" projection, a polygonal column projection, or the like.

For example, referring to fig. 21 and 22, the cross section of the first connection head 131b may have a polygonal, semicircular, elliptical, etc. non-circular shape, and the first connection portion 110 is provided with the first receiving groove 103, and the cross section of the first receiving groove 103 may have a polygonal, semicircular, elliptical, etc. non-circular shape corresponding to the first connection head 131b, and the first connection head 131b is received in the first receiving groove 103, so that the second fastening portion 132 is circumferentially fixed with respect to the first connection portion 110; alternatively, the first connector 131b is provided with a groove having a non-circular cross section such as a polygonal shape, a semicircular shape, an elliptical shape, etc., and the first connector 110 is provided with a corresponding protrusion, and the groove of the first connector 131b is matched with the protrusion of the first connector 110 so that the first connector 131b is circumferentially fixed with respect to the first connector 110.

Illustratively, the first connecting head 131b has a third fixing surface, the first connecting portion 110 has a fourth fixing surface, the third fixing surface is a non-cylindrical surface such as a plane, a folded surface, an elliptical surface, and the fourth fixing surface is a non-cylindrical surface such as a corresponding plane, folded surface, elliptical surface, and the third fixing surface is matched with the fourth fixing surface, so that the first connecting head 131b is circumferentially fixed relative to the first connecting portion 110.

In some implementations of embodiments of the present utility model, referring to fig. 21, 22, etc., the first connection portion 110 has a first extension arm 111 and a second extension arm 112, the second connection portion 120 is located between the first extension arm 111 and the second extension arm 112, the first connection rod 131a passes through the first extension arm 111, the second connection portion 120, and the second extension arm 112 in sequence, and the first connection head 131b is in fastening contact with the first extension arm 111; the first connector 131b is circumferentially fixed about the first rotational axis 101 relative to the first extension arm 111.

As another example, referring to fig. 22, the first connection portion 110 is extended to form only the first extension arm 111, the second connection portion 120 is rotatably connected to the first extension arm 111, the first connection rod 131a sequentially passes through the first extension arm 111 and the second connection portion 120, the first connection head 131b is in fastening contact with the first extension arm 111, the first connection head 131b is fixed circumferentially with respect to the first extension arm 111, and the second fastening portion 132 is in fastening contact with the second connection portion 120.

In some implementations of embodiments of the utility model, referring to fig. 21, 22, etc., the first extension arm 111 is provided with a first receiving groove 103, and the first connector 131b is fixed circumferentially about the first rotational axis 101 relative to the first extension arm 111.

In some implementations of embodiments of the present utility model, referring to fig. 21, 22, etc., the first connector 131b is received in the first receiving groove 103, and/or the second extension arm 112 is provided with the second receiving groove 102, and the second fastening portion 132 is received in the second receiving groove 102. The first accommodation groove 103 and the second accommodation groove 102 have the advantage of being convenient for hiding the first connecting head 131b and the second fastening part 132, so that the rotary connecting structure is more attractive and compact.

In some implementations of the present embodiment, referring to fig. 21, 22, etc., in the case where the first extension arm 111 is provided with the first receiving groove 103, the first extension arm 111 is provided with the first cover 141, the first cover 141 is detachably mounted to the first receiving groove 103, and the first cover 141 encloses the first connection head 131b within the first receiving groove 103; in the case that the second extension arm 112 is provided with the second accommodating groove 102, the second extension arm 112 is provided with the second cover 142, the second cover 142 is detachably mounted in the second accommodating groove 102, and the second cover 142 seals the second fastening portion 132 in the second accommodating groove 102. The first cover 141 and the second cover 142 have the advantage of hiding the first connector 131b and the second fastening portion 132, so that the rotating connection structure is more attractive and compact. When the first fastener 130 needs to be adjusted, the second cover 142 or the first cover 141 may be detached.

Illustratively, the first cover 141 is mounted to the first receiving groove 103 with a tight fit, and the second cover 142 is mounted to the second receiving groove 102 with a tight fit.

In some implementations of embodiments of the present utility model, referring to fig. 21, 22, etc., the first connection portion 110 has a first extension arm 111 and a second extension arm 112, the second connection portion 120 is located between the first extension arm 111 and the second extension arm 112, the first connection rod 131a passes through the first extension arm 111, the second connection portion 120, and the second extension arm 112 in sequence, and the first connection head 131b is in fastening contact with the first extension arm 111; the first extension arm 111 is provided with a first receiving groove 103, the first connector 131b is received in the first receiving groove 103, and/or the second extension arm 112 is provided with a second receiving groove 102, and the second fastening portion 132 is received in the second receiving groove 102.

In some implementations of the present embodiment, referring to fig. 21, 22, etc., in the case where the first extension arm 111 is provided with the first receiving groove 103, the first extension arm 111 is provided with the first cover 141, the first cover 141 is detachably mounted to the first receiving groove 103, and the first cover 141 encloses the first connection head 131b within the first receiving groove 103; in the case that the second extension arm 112 is provided with the second accommodating groove 102, the second extension arm 112 is provided with the second cover 142, the second cover 142 is detachably mounted in the second accommodating groove 102, and the second cover 142 seals the second fastening portion 132 in the second accommodating groove 102.

In some implementations of the present embodiment, the first fastening member 130 acts on the first connection portion 110 and the second connection portion 120 in a non-penetrating manner, for example, the first fastening portion 131 is wound around the first connection portion 110 and the second connection portion 120, for example, the first fastening portion 131 may be in a "" type, "C" type, or the like, and the second fastening portion 132 is riveted or screwed with the first fastening portion 131. For another example, the second fastening portion 132 is wound around the first connection portion 110 and the second connection portion 120, and for example, the second fastening portion 132 may be in a "C" shape, a "" shape, or the like.

The utility model also provides a shooting bracket, referring to fig. 1, 7, 23 and the like, comprising a first rod body 2, a clamp 1 and the rotating connection structure, wherein the first rod body 2 is used for supporting the clamp 1, and the clamp 1 is used for loading the electronic terminal 3; the first rod body 2 is a first main body of the shooting bracket, and the clamp 1 is a second main body of the shooting bracket; alternatively, the clamp 1 is a first body of the photographing bracket, and the first rod body 2 is a second body of the photographing bracket.

The electronic terminal 3 may be a cell phone, a tablet, a camera, or the like, for example.

Illustratively, the clamp 1 has two clamping portions 1a (receivable or openable) clamping the electronic terminal 3, the two clamping portions 1a (receivable or openable) being adjustable in clamping width so as to adapt to different sizes of electronic terminals 3.

Illustratively, the clamp 1 has a magnetic attraction portion that magnetically attracts the electronic terminal 3, and the magnetic attraction portion magnetically attracts the electronic terminal 3 to thereby realize loading of the electronic terminal 3.

Illustratively, the clamp 1 has a fixing portion for fixing the electronic terminal 3, which may fix the electronic terminal 3 to realize a means for the electronic terminal 3, for example, the fixing portion may be a screw.

Illustratively, the fixture 1 has a suction cup for sucking the electronic terminal 3, the suction cup may be an air bag with an opening, and the suction cup exhaust gas may be sucked to the electronic terminal 3, so as to load the electronic terminal 3.

The photographing support may be a handheld self-photographing support, for example, which may be used by holding the first stick body 2 in the hand.

For example, referring to fig. 23, the first rod body 2 of the photographing bracket may be mounted to a supporting part 4, thereby becoming a desktop bracket, a ground bracket, a vehicle-mounted bracket, etc., and the supporting part 4 may be a supporting plate, a tripod, a magnetic attraction part, an air suction cup, etc.; the support 4 may also be a hand-held part for ease of handling.

Illustratively, the first rod 2 may be a fixed length rod, and the first rod 2 may be a variable length rod.

The above description is only for the purpose of illustrating the technical solution of the present utility model and not for the purpose of limiting the same, and other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (16)

1. The supporting device for supporting the power utilization main body is characterized by comprising a first connecting part, a second connecting part and a first fastening part, wherein the first fastening part comprises a first fastening part and a second fastening part, the first connecting part is rotationally connected with the second connecting part, the first fastening part and the second fastening part interact to enable a rotation damping force to exist between the first connecting part and the second connecting part, the first fastening part is in fastening contact with the first connecting part, and the second fastening part is in fastening contact with the second connecting part;

the rotary connecting structure is used for connecting a first main body and a second main body of the supporting device, the first connecting part is arranged on the first main body, and the second connecting part is arranged on the second main body.

2. The rotary joint structure according to claim 1, wherein a fastening force of the first fastener is adjustable.

3. The rotary connecting structure according to claim 1, wherein the first fastening portion includes a first connecting rod and a first connecting joint provided to the first connecting rod, the first connecting joint is in fastening contact with the first connecting portion, the second fastening portion is a screw member screwed with the first connecting rod, and the first connecting rod passes through the first connecting portion and the second connecting portion so that the first connecting portion is rotatably connected to the second connecting portion.

4. A rotary joint structure according to claim 3, wherein the first joint is rotatable about a first rotational axis with respect to the second joint, the first joint being provided with an adjusting portion for adjusting a fastening force of the first fastener, the second fastening portion being fixed circumferentially about the first rotational axis with respect to the first joint.

5. The rotary connecting structure according to claim 4, wherein the first connecting portion has a first extension arm and a second extension arm, the second connecting portion is located between the first extension arm and the second extension arm, the first connecting rod passes through the first extension arm, the second connecting portion and the second extension arm in order, the first connecting head is in fastening contact with the first extension arm,

the second fastening portion is circumferentially fixed about the first rotational axis relative to the second extension arm.

6. The rotary connection structure according to claim 5, wherein the second extension arm is provided with a second accommodation groove, and the second fastening portion is fixed circumferentially around the first rotation axis with respect to the second accommodation groove.

7. The rotary connecting structure according to claim 6, wherein the first extension arm is provided with a first accommodating groove, the first connector is accommodated in the first accommodating groove, and/or the second fastening portion is accommodated in the second accommodating groove.

8. The rotary joint structure according to claim 7, wherein,

when the first extension arm is provided with the first accommodating groove, the first extension arm is provided with a first sealing cover, the first sealing cover is detachably arranged in the first accommodating groove, and the first sealing cover seals the first connecting head in the first accommodating groove;

under the condition that the second extension arm is provided with the second accommodating groove, the second extension arm is provided with a second sealing cover, the second sealing cover is detachably arranged in the second accommodating groove, and the second sealing cover seals the second fastening part in the second accommodating groove.

9. A rotary joint structure according to claim 3, wherein the second fastening portion is provided with an adjusting portion for adjusting a fastening force of the first fastening member, and the first joint is fixed circumferentially about the first rotational axis with respect to the first joint portion.

10. The rotary connection structure according to claim 9, wherein the first connecting portion has a first extension arm and a second extension arm, the second connecting portion is located between the first extension arm and the second extension arm, the first connecting rod passes through the first extension arm, the second connecting portion, and the second extension arm in order, and the first connecting head is in fastening contact with the first extension arm;

the first connector is circumferentially fixed about the first rotational axis relative to the first extension arm.

11. The rotary connection structure according to claim 10, wherein the first extension arm is provided with a first receiving groove, and the first connector is fixed circumferentially about the first rotational axis relative to the first extension arm.

12. The rotary connection structure according to claim 11, wherein the first connector is accommodated in the first accommodation groove, and/or the second extension arm is provided with a second accommodation groove in which the second fastening portion is accommodated.

13. The rotary joint structure according to claim 12, wherein,

when the first extension arm is provided with the first accommodating groove, the first extension arm is provided with a first sealing cover, the first sealing cover is detachably arranged in the first accommodating groove, and the first sealing cover seals the first connecting head in the first accommodating groove;

under the condition that the second extension arm is provided with the second accommodating groove, the second extension arm is provided with a second sealing cover, the second sealing cover is detachably arranged in the second accommodating groove, and the second sealing cover seals the second fastening part in the second accommodating groove.

14. The rotary connecting structure according to claim 3, wherein the first connecting portion has a first extension arm and a second extension arm, the second connecting portion is located between the first extension arm and the second extension arm, the first connecting rod passes through the first extension arm, the second connecting portion and the second extension arm in order, and the first connecting head is in fastening contact with the first extension arm;

the first extension arm is provided with a first accommodating groove, the first connector is accommodated in the first accommodating groove, and/or the second extension arm is provided with a second accommodating groove, and the second fastening part is accommodated in the second accommodating groove.

15. The rotary joint structure according to claim 14, wherein,

when the first extension arm is provided with the first accommodating groove, the first extension arm is provided with a first sealing cover, the first sealing cover is detachably arranged in the first accommodating groove, and the first sealing cover seals the first connecting head in the first accommodating groove;

under the condition that the second extension arm is provided with the second accommodating groove, the second extension arm is provided with a second sealing cover, the second sealing cover is detachably arranged in the second accommodating groove, and the second sealing cover seals the second fastening part in the second accommodating groove.

16. The rotary joint structure according to claim 1, wherein the first fastener acts on the first joint part and the second joint part in a non-penetrating manner.

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