TW202144697A - Fixing element and bracket including fixing element wherein the fixing element has a rotation angle adjusting function - Google Patents

Abstract

The present invention relates to a fixing element and a bracket including the fixing element. The fixing element comprises at least one positioning portion disposed on the base plate thereof, and a plurality of tine portions laterally protruded from the peripheral edge of the base plate. The bracket comprises a frame rod, a rotating member, a combination seat, two fixing elements and two locking components, wherein the fixing element and the locking component are disposed in the rotating structure of the frame rod and the rotating member, and another fixing element and another locking component are installed in the rotating structure of the rotating member and the combination seat. The two rotating members in the rotating structure are positioned by combining the positioning portion of the fixing element with one of the rotating members. When the locking component locks the two rotating members, the plurality of tine portions of the fixing element can pierce the other rotating member so that the two rotating members cannot rotate relative to each other. The frame rod is fixed on a fixture, has an assembling portion and defines a first axial direction passing through the center of the assembling portion. The assembling portion has an assembling hole passing through the assembling portion along the first axial direction. The assembling portion has an assembling surface on one axial side of the first axial direction. The assembling surface has a binding part on the peripheral position of the assembling hole. The rotating member can be rotated and positioned at the assembling portion of the frame rod. The rotating member includes a first connecting part and a second connecting part located on one side of the first connecting part. The first connecting part has a first connecting surface and a first connection hole extending along the first axial direction and passing through the first connecting surface.

Description

Fixing parts and brackets including fixing parts

The present invention relates to a fixing piece used in a rotation angle adjusting mechanism, and a bracket with the fixing piece having the function of adjusting the rotation angle.

At present, the rotation angle adjustment mechanism in the bracket such as the camera bracket or the rotation angle adjustment mechanism of other products mainly includes a first rotating part and a second rotating part that can rotate relative to each other, and are penetrated by a screw component Between the first rotating member and the second rotating member, when the screwing assembly is not locked, the first rotating member and the second rotating member can rotate relative to each other to adjust the rotation angle position, and then use the screwing assembly to rotate. The first rotating part and the second rotating part are locked.

Although the rotation angle adjustment mechanism in the aforementioned camera bracket or the rotation angle adjustment mechanism of other products, etc., can be clamped by the clamping force of the locking component after locking, the first rotating part and the second rotating part are clamped. Fixing. Generally speaking, in the conventional rotation angle adjustment mechanism, the end faces of the first rotating part and the second rotating part that are relatively combined are mostly in a plane joint manner, and the first rotation is improved by the locking force of the locking component. The frictional force between the component and the second rotating component.

However, the above-mentioned conventional rotation angle adjustment mechanism utilizes the structure that the first rotation member and the second rotation member are face-to-face facing each other, and the locking and clamping structure is matched with the locking component. Although the rotation angle adjustment mechanism can be provided, the rotation angle The adjustment mechanism is subjected to external forces, such as collision, strong wind force, etc., plus the weight of the object supported by the rotation angle adjustment mechanism applied to the rotation angle adjustment mechanism, so that there is still a relative relationship between the first rotating part and the second rotating part. Swipe to rotate and change the rotation angle. For the camera bracket, when the relative sliding between the first rotating member and the second rotating member changes the rotation angle, the position of the object supported by the rotation angle adjustment mechanism is affected, which is further improved.

The purpose of the present invention is to provide a fixing member and a bracket including the fixing member, so as to solve the problem of poor fixing effect of the existing rotation adjustment mechanism and the rotation adjustment mechanism of the existing bracket.

In order to achieve the aforementioned purpose, the fixing element proposed by the present invention is used to be locked and assembled between two rotating parts of a rotation adjusting mechanism, and the fixing element includes: a base plate portion, which has a middle hole; at least one positioning part, which is formed on the base plate part, and the positioning part can be set on one of the rotating parts; and A plurality of tine portions are distributed and formed on the periphery of the base plate portion and protrude laterally from the periphery of the base plate portion, and the plurality of tine portions can penetrate into the other rotating component.

In order to achieve the aforementioned purpose, the stent system additionally proposed by the present invention includes: A stand rod is used to be fixed on a fixed object, the stand rod has a set of connecting parts and a first axial direction defined through the center of the connecting part, the connecting part has a direction along the first axial direction A set of connecting holes penetrating the assembling part, the assembling part has a set of junction surfaces on the axial side of the first axial direction, and the assembling surface is provided with at least one joint part at the peripheral position of the first set of connecting holes ; A rotating member is rotatably and positionally assembled on the assembly portion of the frame rod. The rotating member includes a first connecting portion and a second connecting portion located on one side of the first connecting portion. The first connecting portion The part has a first connecting surface and a first connecting hole extending along the first axial direction and passing through the first connecting surface, the second connecting part defines a second axial direction perpendicular to the first axial direction, And the second connecting part has a second connecting surface and a second connecting hole extending along the second axial direction and passing through the second connecting surface, the first connecting part of the rotating member is assembled with the frame rod relative combination of parts; A combination seat is assembled on the second connecting portion of the rotating member in a rotatable and positionable manner. The combination seat includes a combination portion and a combination portion located on one side of the combination portion. The combination portion has a combination surface and an edge. A coupling hole extending along the second axial direction and passing through the coupling surface, the coupling surface is provided with at least one coupling portion at a peripheral position of the coupling hole. Two fixing pieces, one of the fixing pieces is clamped and arranged between the assembling surface of the assembling portion of the frame rod and the first connecting surface of the first connecting portion of the rotating member, and the other fixing piece is The fixing member is clamped and arranged between the second connecting surface of the second connecting portion of the rotating member and the connecting surface of the connecting portion of the connecting seat. The fixing member includes a base plate portion, at least one positioning portion and a plurality of tine portions, The base plate portion has a middle hole, the positioning portion is arranged on the base plate portion, a plurality of the tines are formed on the periphery of the base plate portion and protrude from the periphery of the base plate portion in the same direction, and the two fixing members The positioning parts are respectively aligned and arranged in the joint part corresponding to the joint surface of the frame rod and the joint part corresponding to the joint surface of the joint seat, and the plurality of the tines of the two fixing parts are respectively oriented towards the rotation. a first connection surface and a second connection surface of the member; and Two locking components, one of the locking components penetrates and locks the assembling portion of the frame rod, the first connecting portion of the rotating member, and the one located between the assembling portion and the first connecting portion In the fixing piece, a plurality of the tines of the fixing piece are inserted into the first connecting surface of the rotating member, and the other locking component is inserted through the second connecting portion of the rotating member, The joint part of the joint seat, and the other fixing piece located between the second connecting part and the joint part, the plurality of the tines of the other fixing piece pierce the second connecting surface of the rotating member middle.

With the aforementioned inventions such as the fixing piece and the bracket including the fixing piece, at least one positioning portion is formed on one side of the fixing piece to be combined with the end face of a rotating member, and the other is formed by the peripheral edge of the fixing piece. The plurality of tines protruding laterally are used to dispersely penetrate the end face of the other rotating member after the two rotating members are locked by the locking assembly, making it difficult for the two rotating members to rotate relative to each other, with excellent performance. Anti-rotation function. In this way, when the bracket including the fixing member is installed on the fixing object and assembled with the supported object, the bracket can be locked after adjusting the rotation angle, so that the bracket can not easily change its angular position due to external collision or wind.

According to the description of the foregoing disclosure, the present invention includes a fixing member and a bracket including the fixing member. The specific structures of the fixing member and the bracket are described below with reference to the preferred embodiments disclosed in the drawings.

As shown in FIG. 1 and FIG. 2 , two preferred embodiments of the fixing element of the present invention are disclosed. As can be seen from the drawings, the fixing elements 10A and 10B each include a base plate portion 11A, 11B, at least one The positioning portions 13A, 13B and the plurality of tine portions 14A, 14B.

As shown in FIG. 1 and FIG. 2 , the base plate portion 11 has a middle hole 12 therein, and opposite sides of the base plate portion 11 in the direction of the central axis thereof are respectively a first plate surface and a second plate surface. In the preferred embodiment disclosed in FIG. 1 , the base plate portion 11 is substantially a circular plate body. In the preferred embodiment disclosed in FIG. 2 , the base plate portion 11 is substantially a circular plate body with a circular arc edge around the periphery, and the periphery of the base plate portion 11 also has one or more concave edges, as shown in FIG. 2 , A concave edge is formed at both ends of the base plate portion 11 along the diameter direction thereof.

As shown in FIG. 1 and FIG. 2 , the positioning portion is formed on the substrate portion, and the number of the positioning portion 13 is set to one or more according to the requirements of the product. Wherein, in the preferred embodiment shown in FIG. 1 , the positioning portion may be a concave portion formed on the edge of the middle hole of the base plate portion, and when there are plural positioning portions, the plurality of positioning portions are equal to each other. The angles are distributed on the edge of the middle hole of the base plate portion. In the preferred embodiment shown in FIG. 2 , the positioning portion 13 can be formed on the periphery of the base plate portion 11 and is bent and extended parallel to the central axis of the base plate portion 11 . Each of the concave edges is formed with one of the positioning portions 13 .

As shown in FIG. 1 and FIG. 2 , a plurality of the tine portions are distributed and formed on the periphery of the base plate portion and protrude laterally from the periphery of the base plate portion toward one side, so that the plurality of the tine portions 14 are protruding out (higher) from the first board surface of the base plate portion. In the preferred embodiment shown in FIG. 2 , when the positioning portion 13B is bent and extended parallel to the central axis of the base plate portion 11B, the tines 14 and the positioning portion 13B are protruding in opposite directions. state.

The fixing member of the present invention is suitable for various rotation angle adjustment mechanisms, and is used to be installed between two rotating parts that can rotate relative to each other, and a locking assembly is used to penetrate the two rotating parts and the fixing member, so that The two rotating parts and the fixing part are locked together, and the two rotating parts cannot rotate relative to each other due to the engaging and fixing action of the fixing parts. Regarding the specific usage of the aforementioned fixing member in the rotation angle adjustment mechanism, reference may be made to the following related descriptions of the bracket with the rotation adjustment function of the present invention.

As shown in FIGS. 3 to 4 and FIGS. 9 to 10 , two preferred embodiments of the stent of the present invention are disclosed, and the stent has two axial rotation adjustment functions. As can be seen from the figures, the bracket includes a pole 20A, 20B, a rotating member 30 , a combination seat 40 , two fixing parts 10 and two locking components 50 .

The fixing members 10A and 10B include a base plate portion, at least one positioning portion and a plurality of tines, the base plate portion has a middle hole, the positioning portion is formed on the base plate portion, and a plurality of the The tine portions are distributed and formed on the periphery of the base plate portion and protrude laterally from the periphery of the base plate portion. The fixing members 10A and 10B may be the fixing member 10A shown in FIG. 1 or the fixing member 10B shown in FIG. 2 . The specific structures of the fixing members 10A and 10B have been described above, and will not be repeated here.

As shown in Figures 3 to 6 and Figures 9 to 12, the frame rods 20A, 20B can be fixed on a building or other fixed objects by means of fixing elements, and one end of the frame rod 20 has a set of joints. part 21, the assembling part 21 defines a first axial direction (ie the longitudinal direction in the drawing), the first axial direction passes through the center of the assembling part 21, and the assembling part 21 has a direction along the first axial direction A set of connecting holes 23 passing through the assembling portion 21, the assembling portion 21 has a set of connecting surfaces 22 on the axial side of the first axial direction. In the preferred embodiment disclosed in the drawings, the set of connecting surfaces 22 is located on the top surface of the assembling portion 21 . The assembly surface 22 is provided with at least one joint portion 25 , 26 at a peripheral position of the first assembly hole 23 . with location.

As shown in FIG. 3 to FIG. 6 and FIG. 9 to FIG. 12 , the rotating member 30 is combined with a fixing member 10 and a locking assembly 50 to be assembled to the assembly portion 21 of the frame rod 20 . The rotating member 30 It includes a first connecting portion 31 and a second connecting portion 32 located on one side of the first connecting portion 31. The first connecting portion 31 has a first connecting surface 311, and the first connecting portion 31 has a surface along the first connecting portion 31. A first connecting hole 312 extending axially through the first connecting surface 311, the second connecting portion 32 defines a second axial direction (ie, the lateral direction of the drawing) perpendicular to the first axial direction, and the first connecting portion 32 The two connecting portions 32 have a second connecting surface 321 , and the second connecting portion 32 has a second connecting hole 322 extending along the second axial direction and passing through the second connecting surface 321 .

As shown in FIG. 3 to FIG. 6 and FIG. 9 to FIG. 12 , in the foregoing, the rotating member 30 is relatively clamped by the first connecting surface 311 of the first connecting portion 31 and the assembly portion 21 of the frame rod 20 . The fixing member 10 is connected to the fixing member 50 and locked by the locking assembly 50 , wherein the positioning portion 13 of the fixing member 10 is aligned with the joint portions 25 and 26 of the assembling portion 21 for positioning and locking. The assembly 50 passes through the assembly part 21 of the frame rod 20 , the fixing part 10 and the first connecting part 31 of the rotating member 30 with its screws, and is locked in combination with the nut, so that the plurality of tine parts of the fixing part 10 are locked. 14 respectively penetrate into the first connecting surface 311 of the rotating member 30, so that the rotating member 30 and the frame rod 20 cannot rotate relative to each other, and an axial rotation angle adjustment mechanism is provided.

As shown in FIG. 3 to FIG. 6 and FIG. 9 to FIG. 12 , in this preferred embodiment, a slot 33 is formed in the second connection portion 32 of the rotating member 30 , and the slot 33 communicates with the first connection hole 312 , the second connecting surface 321 is located on one side of the slot wall of the slot 33 .

As shown in FIG. 3 to FIG. 6 and FIG. 9 to FIG. 12 , the combination seat 40 includes a combination part 41 and a combination part 42 on one side of the combination part 41 , the combination part 41 has a combination surface 411 , and the combination part 41 The portion 41 has a coupling hole 412 extending along the second axial direction and passing through the coupling surface 411 . The number and position of 415 correspond to the number and position of the positioning portion 13 of the fixing member 10, and the assembly portion 42 is used to combine a screw element to assemble a supported object, and the supported object can be camera or other.

As shown in FIG. 3 to FIG. 6 and FIG. 9 to FIG. 12 , in the foregoing, the coupling portion 41 of the coupling seat 40 is installed in the slot 33 of the rotating member 30 , and the coupling seat 40 is based on the coupling portion 41 . The connecting surface 411 and the second connecting surface 321 of the second connecting portion 32 of the rotating member 30 are relatively clamped and assembled to connect the other fixing member 10 , and are locked by the locking assembly 50 . Wherein, the positioning portion 13 of the fixing member 10 is positioned in alignment with the bonding portions 414 and 415 of the bonding seat 40, and the locking assembly 50 passes through the bonding portion 41 of the bonding seat 40, the fixing member 10 and the fixing member 50 with its screws. After the second connecting portion 32 of the rotating member 30 is locked with a nut, the plurality of tines 14 of the fixing member 10 are respectively inserted into the second connecting surface 321 of the rotating member 30, so that the rotating member 30 The combination seat 40 cannot rotate relative to it, and another axial rotation angle adjustment mechanism is provided.

In the preferred embodiment shown in FIGS. 1 and 3 to 6 , when the positioning portion 13A of the fixing member 10A is an embodiment of forming a concave portion of the hole edge of the middle hole 12A of the base plate portion 11A, the frame rod 20A is The joint portion 26 of the assembling surface 22 and the joint portion 415 of the joint surface 411 of the joint seat 40 are both the convex joint portions 25 and 414 corresponding to the concave positioning portion 13A. The joint portions 25 and 414 are connected to the positioning portion 13A. A corresponding concave-convex fit is formed therebetween, so that the two fixing members 10A can be set on the assembling surface 22 of the frame rod 20A and on the assembling surface 411 of the assembling base 40 , respectively. In the preferred embodiment shown in FIGS. 3 to 6 , the assembly surface 22 of the frame rod 20A is further formed with a convex portion 24 protruding upward, and the assembly hole 23 is formed on the assembly surface 22 . In the convex portion 24 , the coupling portion 25 is formed on the peripheral edge of the convex portion 24 . A convex portion 413 protruding upward is also formed on the coupling surface 411 of the coupling seat 40 , the coupling hole 412 is formed in the convex portion 413 on the coupling surface 411 , and the coupling portion 414 is formed on the convex portion 413 . perimeter.

As shown in FIG. 2 and FIG. 9 to FIG. 12 , the positioning portion 13B of the fixing member is formed on the peripheral edge of the base plate portion 11B and faces one side in the direction of the central axis of the base plate portion 11B. Bending and extending, the positioning portion 13B and the tine portion 14B protrude in opposite directions; Hole-shaped, the positioning portions 13B of the two fixing members 10B are respectively inserted into the joint portions 26 corresponding to the assembling surface 22 of the frame rod 20B and the joint portion 415 corresponding to the joint surface 411 of the joint seat 40 for positioning.

As shown in FIG. 7 to FIG. 8 and FIGS. 13 and 14 , when the stand of the present invention is in use, the stand can be applied to a fixed object to support an object. Take the camera stand used for assembling the camera 60 as an example, It is fixed on the fixed object with the frame rod 20, and the camera 60 is connected with the assembly part 42 of the combination base 40, and the camera 60 is fixed on the combination base 40 by the screw element, so that the camera 60 can use the camera bracket It is fixed on the fixed object, wherein the camera bracket is provided with a biaxial rotation angle adjustment mechanism, so that the lens of the camera 60 can be freely adjusted to a predetermined position, and the camera bracket also utilizes its biaxial rotation angle. Each of the rotation angle adjustment mechanisms is provided with a fixing member 10A, 10B, which provides a rotation stop function, so that the camera bracket can be adjusted and positioned on its photographic lens. The snap action between the components prevents relative rotation, so that it is difficult for the camera 60 to deviate from the original position under the action of external force.

10A: Fixing parts 10B: Fasteners 11A: Substrate part 11B: Substrate part 12A: Middle hole 12B: Middle hole 13A: Positioning part 13B: Positioning part 14A: tines 14B: tines 20A: rack rod 20B: Rack bar 21: Assembly Department 22: Assembly surface 23: Assembly hole 24: convex part 25: Joint 26: Joint 30: Rotating components 31: The first connection part 311: The first connection surface 312: The first connection hole 32: Second connecting part 321: Second connection surface 322: Second connection hole 33: Slotted 40: Combined seat 41: Joint 411: Combined surface 412: binding hole 413: convex part 414: Joint 415: Joint 42: Combination Department 50: Locking components 60: Camera

FIG. 1 is a three-dimensional schematic diagram of a preferred embodiment of the fixing element of the present invention. FIG. 2 is a perspective view of another preferred embodiment of the fixing element of the present invention. 3 is a schematic exploded perspective view of a preferred embodiment of the stent of the present invention. FIG. 4 is a perspective exploded schematic view of another viewing angle of the preferred embodiment of the bracket shown in FIG. 3 . FIG. 5 is an exploded perspective view of the preferred embodiments of the brackets shown in FIGS. 3 and 4 after they are combined. FIG. 6 is a perspective exploded schematic view of another viewing angle after the preferred embodiments of the brackets shown in FIGS. 3 and 4 are combined. 7 is a schematic side cross-sectional view of the preferred embodiment of the bracket shown in FIGS. 3 and 4 after being assembled with a camera. FIG. 8 is another side cross-sectional schematic diagram of the preferred embodiment of the bracket shown in FIG. 3 and FIG. 4 after being assembled with a camera. FIG. 9 is an exploded perspective view of another preferred embodiment of the stent of the present invention. FIG. 10 is an exploded perspective view of another preferred embodiment of the bracket shown in FIG. 9 from another viewing angle. FIG. 11 is an exploded perspective view of another preferred embodiment of the brackets shown in FIGS. 9 and 10 after being combined. FIG. 12 is an exploded perspective view of another preferred embodiment of the brackets shown in FIGS. 9 and 10 after being combined from another viewing angle. FIG. 13 is a schematic cross-sectional side view of another preferred embodiment of the bracket shown in FIGS. 9 and 10 after being assembled with a camera. FIG. 14 is another side cross-sectional schematic diagram of another preferred embodiment of the bracket shown in FIGS. 9 and 10 after being assembled with a camera.

10A: Fixing parts

11A: Substrate part

12A: Middle hole

13A: Positioning part

14A: tines

20A: rack rod

21: Assembly Department

22: Assembly surface

23: Assembly hole

24: convex part

25: Joint

30: Rotating components

31: The first connection part

311: The first connection surface

312: The first connection hole

32: Second connecting part

321: Second connection surface

322: Second connection hole

33: Slotted

40: Combined seat

41: Joint

411: Combined surface

412: binding hole

413: convex part

414: Joint

42: Combination Department

50: Locking components

Claims (9)

A fixing piece is used for being locked and assembled between two rotating parts of a rotation adjusting mechanism, the fixing piece comprises: a base plate portion, which has a middle hole; at least one positioning part, which is formed on the base plate part, and the positioning part can be set on one of the rotating parts; and A plurality of tine portions are distributed and formed on the periphery of the base plate portion and protrude in the same direction from the periphery of the base plate portion, and the plurality of tine portions can penetrate into the other rotating component. The fastener according to claim 1, wherein the positioning portion is a concave portion formed on the edge of the middle hole of the base plate portion. The fixing member according to claim 2, wherein the positioning portions are plural, and the plurality of positioning portions are equiangularly distributed on the edge of the middle hole of the base plate portion. The fastener according to claim 1, wherein the positioning portion is formed on a peripheral edge of the base plate portion and is bent and extended toward one side in the direction of the central axis of the base plate portion, and the positioning portion is connected to the tines. The part protrudes in the opposite direction. The fixing member according to claim 4, wherein there are two positioning portions, and the two positioning portions are respectively located at two ends in a diameter direction perpendicular to the central axis of the base plate portion. A bracket comprising: A stand rod is used to be fixed on a fixed object, the stand rod has a set of connecting parts and a first axial direction defined through the center of the connecting part, the connecting part has a direction along the first axial direction A set of connecting holes penetrating the assembling part, the assembling part has a set of junction surfaces on the axial side of the first axial direction, and the assembling surface is provided with at least one joint part at the peripheral position of the first set of connecting holes ; A rotating member is rotatably and positionally assembled on the assembly portion of the frame rod. The rotating member includes a first connecting portion and a second connecting portion located on one side of the first connecting portion. The first connecting portion The part has a first connecting surface and a first connecting hole extending along the first axial direction and passing through the first connecting surface, the second connecting part defines a second axial direction perpendicular to the first axial direction, And the second connecting part has a second connecting surface and a second connecting hole extending along the second axial direction and passing through the second connecting surface, the first connecting part of the rotating member is assembled with the frame rod relative combination of parts; A combination seat is assembled on the second connecting portion of the rotating member in a rotatable and positionable manner. The combination seat includes a combination portion and a combination portion located on one side of the combination portion. The combination portion has a combination surface and an edge. A coupling hole extending along the second axial direction and passing through the coupling surface, the coupling surface is provided with at least one coupling portion at a peripheral position of the coupling hole. Two fixing pieces, one of the fixing pieces is clamped and arranged between the assembling surface of the assembling portion of the frame rod and the first connecting surface of the first connecting portion of the rotating member, and the other fixing piece is The fixing member is clamped and arranged between the second connecting surface of the second connecting portion of the rotating member and the connecting surface of the connecting portion of the connecting seat. The fixing member includes a base plate portion, at least one positioning portion and a plurality of tine portions, The base plate portion has a middle hole, the positioning portion is arranged on the base plate portion, a plurality of the tines are formed on the periphery of the base plate portion and protrude from the periphery of the base plate portion in the same direction, and the two fixing members The positioning parts are respectively aligned and arranged in the joint part corresponding to the joint surface of the frame rod and the joint part corresponding to the joint surface of the joint seat, and the plurality of the tines of the two fixing parts are respectively oriented towards the rotation. a first connection surface and a second connection surface of the member; and Two locking components, one of the locking components penetrates and locks the assembling portion of the frame rod, the first connecting portion of the rotating member, and the one located between the assembling portion and the first connecting portion In the fixing piece, a plurality of the tines of the fixing piece are inserted into the first connecting surface of the rotating member, and the other locking component is inserted through the second connecting portion of the rotating member, The joint part of the joint seat, and the other fixing piece located between the second connecting part and the joint part, the plurality of the tines of the other fixing piece pierce the second connecting surface of the rotating member middle. The bracket as claimed in claim 6, wherein a slot is formed in the second connection portion of the rotating member, the slot communicates with the first connection hole, the second connection surface is located on a side wall of the slot, the The joint part of the joint seat is installed in the slot. The bracket according to claim 6 or 7, wherein the positioning portion is a concave portion formed on the edge of the center hole of the base plate portion; the joint portion of the assembly surface of the frame rod and the joint portion of the joint seat are Corresponding to the convex block shape of the concave positioning part, a corresponding concave-convex fit is formed between the joint part and the positioning part, so that the two fixing parts can be respectively set on the assembly surface of the frame rod and the joint seat. the joint surface. The bracket according to claim 6 or 7, wherein the positioning portion of the fixing member is formed on the periphery of the base plate portion and is bent and extended toward one side in the direction of the central axis of the base plate portion, and the positioning portion is connected to the base plate portion. The tines protrude in opposite directions; the joint part of the assembly surface of the frame rod and the joint part of the joint surface of the joint seat are both hole-shaped, and the positioning parts of the two fixing pieces are respectively inserted into the frame The joint portion corresponding to the assembly surface of the rod and the joint portion corresponding to the joint surface of the joint seat are positioned in the joint portion.

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