CN2597810Y - Foot rest structure of support frame - Google Patents

Abstract

A foot rest structure of a support frame, in particular to a foot rest structure used for fixing article support frame bodies of musical instruments, music scores, microphones and the like. It has a main seat that the cross-section is ㄈ shapes, and the inside pivot of main seat opening is equipped with three foot rest poles that can freely fix a position, is provided with an upward open-ended U-shaped pivot seat on one side of main seat, and this U-shaped pivot seat department pivot is equipped with an extensible, the bracing piece that contracts, borrows this, the utility model discloses can be according to the needs of setting up the place, borrow by the different adjustment focus of foot rest pole and bracing piece opening angle in order to reach the best effect of setting up immediately.

Description

The tripod structure of the support frame

technical field

The utility model relates to a bracket, in particular to a tripod structure of a support frame which can adjust the position of the center of gravity of the support frame according to the flat state of the ground and the needs of users.

Background technique

Generally, when music performers such as cellos play musical instruments, they often use a musical instrument support frame to fix and support the musical instrument to facilitate playing, and when an orchestra conductor directs an orchestra, he also uses a support frame like a music stand to support the instrument. Sheet music is placed on it for easy viewing of sheet music. Therefore, the support frame is very wide in the scope and occasions of use. Existing tripods for placing some support frames such as musical instruments, musical scores, microphones, etc., as shown in Figure 10, have a support rod 80 that can extend up and down or shrink in length, and one end of the support rod 80 is provided with a fixed musical score, A shelf body 83 for placing items such as microphones, and the other end is provided with a pivotal base body 81. The pivotal base body 81 has three pivotal ends, and three tripod rods 82 are pivotally connected to the pivotal ends. When folded, the three tripod rods 82 can be concentrated and combined with the shrunk support rod 80 to be in a parallel state. When in use, the three tripod rods 82 can be unfolded and placed on the ground.

However, when the above-mentioned support frame is in use, the three tripod rods 82 are opened at an angle of 120 degrees apart, and the angles therebetween cannot be changed, and the support rod 80 is erected on the pivotal frame in a state almost perpendicular to the ground. On the base body 81, if the ground on which the support frame is placed is uneven, the support frame will be skewed and the center of gravity will be unstable. In addition, in order to meet the needs of users, when it is desired to arrange the support rod 80 at an oblique angle, the existing support frame cannot meet the requirement, so it is inconvenient to use.

Utility model content

In order to overcome the shortcomings of the existing support frame that the center of gravity cannot be adjusted according to the flat state of the ground, the utility model provides a tripod structure of the support frame, which can adjust the support according to the flat state of the ground and the user's needs The position of the center of gravity of the frame.

The technical scheme that the utility model solves its technical problem adopts is:

A tripod structure of a support frame, characterized in that it has a main seat with a ㄈ-shaped cross section, three tripod rods that can be pivoted horizontally and freely positioned in the opening of the main seat, one of the main seat A U-shaped pivot seat with an upward opening is arranged on the side, and an extendable and contractible support rod is pivotally provided on the U-shaped pivot seat.

The tripod structure of the aforementioned support frame, wherein the main seat is composed of upper and lower sheets with two L-shaped cross-sections and a middle tripod rod between the two sheets. The two sides of the frame rod are pivotally provided with two lateral and horizontal pivoting displacement and free positioning side leg rods by means of the coupling assembly.

In the above-mentioned tripod structure of the support frame, several positioning holes are formed on the main base at the circumferential position centered on the pivot point of the side tripod rod, and the pivotable side tripod rod is provided with a catch positioned in the positioning hole One end of the positioning block passes through the side tripod rod, and the other end is fixed with the elastic component arranged inside the side tripod rod.

In the above-mentioned tripod structure of the supporting frame, the supporting frame rod is arranged on the side tripod rod.

The above-mentioned tripod structure of the support frame, wherein the middle part of the side tripod rod is provided with a perforation, and a locking block is arranged near the free end of the side tripod rod in the perforation, and the side tripod rod is penetrated and pivoted by means of a fixing component at the perforation position. A rotatable U-shaped pivot seat is provided with one end thereof against the locking block, and a support rod is arranged at the center of the U-shaped pivot seat.

In the aforementioned tripod structure of the support frame, a ㄩ-shaped placing rod is arranged on the support frame rod.

The beneficial effect of the utility model is that the position of the center of gravity of the support frame can be adjusted according to the flat state of the ground and the needs of users.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a three-dimensional schematic diagram of Embodiment 1 of the utility model when it is folded.

Fig. 2 is an exploded perspective view of Embodiment 1 of the present utility model.

Fig. 3 is a schematic diagram of the opening action of the tripod rod according to the embodiment of the present invention.

Fig. 4 is a schematic view of the use state of Embodiment 1 of the present utility model.

Fig. 5 is a three-dimensional schematic diagram of Embodiment 2 of the present utility model.

Fig. 6 is a three-dimensional schematic view of Embodiment 3 of the utility model when it is folded.

Fig. 7 is an exploded perspective view of three side tripods and support rods of the embodiment of the present invention.

Fig. 8 is a schematic diagram of the use state of the third support rod of the utility model embodiment.

Fig. 9 is a schematic view of the usage state of Embodiment 3 of the present utility model.

Fig. 10 is a three-dimensional schematic diagram of a conventional tripod.

Explanation of symbols in the figure:

10 main seats

100 upper body

101 lower body

102 binding components

103 positioning hole

104 fixed components

110 positioning block

111 support rod

1110 placement rod

112 in the tripod rod

113 side tripod rod

1130 perforations

1131 locking block

12 U-shaped pivot seat

120 pivot components

121 positioning hole

13 support rod

130 positioning block

14 fixed components

15 U-shaped pivot seat

80 support rod

81 pivot seat

82 tripod rod

83 placement frame

Detailed ways

Now please refer to Fig. 1 and shown in Fig. 2, the utility model has the upper and lower sheet body 100,101 that two sections are L-shaped and between two sheet bodies 100,101 is provided with middle tripod rod 112 to form a section Be the main seat 10 of ㄈ shape. Inside the opening of the main base 10 , on both sides of the fixed middle tripod rod 112 , two side tripod rods 113 that can pivot horizontally and be positioned freely are pivoted through the coupling assembly 102 . The free ends of the middle stand rod 112 and the side stand rod 113 can be formed with a downward bending angle. An upwardly open U-shaped pivot seat 12 is assembled on the upper sheet body 100 on one side of the main base 10, and the two sheets 100101 and the middle tripod rod 112 are combined and fixed through the fixing assembly 104 through the U-shaped pivot seat 12. The U-shaped pivot base 12 is provided with a support rod 13 , and one end of the extendable and contractible support rod 13 is horizontally pivoted by means of a pivot assembly 120 such as a bolt.

Among them, the middle tripod rod 112 of the first embodiment of the utility model is fixed at the middle position of the opening of the main base 10 , and the other two side tripod rods 113 can be pivoted to open and fold.

Please refer to Fig. 3, the side tripod rod 113 of the present utility model can be combined with the assembly 102 as the center to perform a pivoting and opening action. state of the corner.

Please refer to Fig. 4, since the side stand rod 113 and the support rod 13 of the present utility model are respectively assembled in the main seat 10 and the U-shaped pivot seat 12 in a pivoted state, so the side stand rod 113 and the support rod 13 can be According to the user's needs, it can be folded and opened in the desired state. In this way, the utility model can adjust its center of gravity position according to the flat state of the place where it is placed, so as to achieve the best standing state.

Please refer to Fig. 5 again, in order to achieve a better positioning effect of the side tripod rod 113 and the support rod 13, on the main base 10, several positioning positions can be formed around the pivot point of the side tripod rod 113 as the center. hole 103, and the pivoting side tripod rod 113 is provided with a positioning block 110 that can be locked and positioned in the positioning hole 103. The free end of the positioning block 110 can pass through one side of the side tripod rod 113, and the other end is on the tripod. The inside of the rod 113 is fixed with an elastic component such as a shrapnel. Therefore, when the positioning block 110 is pressed, the positioning block 110 can be retracted into the side stand rod 113 and press the elastic component so that the positioning block 110 and the positioning hole 103 form a disengaged or engaged state. Similarly, the U-shaped pivot seat 12 can also be formed with several positioning holes 121 on one side of the body, and the same support rod 13 can also be provided with a positioning block 130 that can be locked and positioned in the positioning hole 121 relative to the positioning hole 121. .

When the user wants to fix the utility model at a certain opening angle, just snap the positioning blocks 110, 130 of the side stand rod 113 and the support rod 13 to the positioning holes 103121 of the main base 10 and the U-shaped pivot base 12 Just locate. When the user wants to change the opening angle, he only needs to press the positioning blocks 110 , 130 to retract and disengage from the positioning holes 103 , 121 to pivotally adjust the side stand rod 113 and the support rod 13 . Since the engagement and disengagement structures of the positioning blocks 110, 130 and the positioning holes 103, 121 belong to the prior art, no further description is given here, and this segmented positioning method can also be used, for example, on the side stand rod 113 and The pivoting end of the support rod 13 is provided with a device that can be positioned in sections, such as a gear, to complete it.

Referring again to Fig. 6, Fig. 7 and shown in Fig. 9, the utility model also can be provided with the support frame bar 111 that can be furnished with articles such as guitar, cello etc. on the side stand bar 113, to increase the scope of use of the present utility model .

The utility model is provided with a perforation 1130 in the middle section of the side tripod rod 113, and a locking block 1131 is arranged near the perforation 1130 near the free end of the side tripod rod 113, and passes through the fixing assembly at the position of the side tripod rod 113 perforation 1130. 14 runs through and pivots a U-shaped pivot seat 15. The U-shaped pivot base 15 is pivotable and one end side of it is in contact with the locking block 1131. The center of the U-shaped pivot base 15 is provided with one end of a supporting frame rod 111, and a rotator-shaped placement rod 1110 is formed on the supporting frame rod 111. To facilitate placement and positioning of items.

Please refer to Fig. 8, when the support frame rod 111 is in use, the support frame rod 111 can be pivoted around the U-shaped pivot seat 15, so that the relative corners of the support frame rod 111 abut against the U-shaped pivot seat 15 , at this time, an inclination angle is formed between the support frame rod 111 and the side stand rod 113 . In addition, the U-shaped pivot base 15 can pivot relative to the side stand rod 113, so that the U-shaped pivot base 15 can be positioned as shown in FIG. 9 until the U-shaped pivot base 15 touches the locking block 1131 again, and the article can be placed there.

In addition, even if the utility model is used on a stable ground, since the center of gravity of the items placed on the support rod is different, such as the center of gravity deviates from the center position of the main seat of the support rod, the opening and closing angle of the side tripod rod can be used to strengthen the stable placement. The effect of placing items.

Claims (6)

1, a kind of foot rest structure of supporting frame, it is characterized in that, it has the seat of honour that a section is the ㄈ font, seat of honour open interior is pivoted with three foot frame rods of can the transverse horizontal pivotal displacement and freely locating, one side of the seat of honour is provided with the U-shaped pivot seat of a upward opening, the strut that this U-shaped pivot seat is pivoted with is extensible, shrink.

2, the foot rest structure of supporting frame according to claim 1, it is characterized in that the described seat of honour by have the L-shaped upper and lower lamellar body of two sections and between two lamellar bodies, be provided with in foot frame rod composition, seat of honour open interior, be arranged in fixedly the both sides of foot frame rod be pivoted with two batter hack levers of can the transverse horizontal pivotal displacement and freely locating by coupling unit.

3, the foot rest structure of supporting frame according to claim 2, it is characterized in that on the described seat of honour, being pivoted with the batter hack lever a little is that the circumferential position at center is formed with several positioning holes, pivotable batter hack lever is provided with the positioning block that clip is positioned positioning hole, one end of this positioning block passes the batter hack lever, and the inner elastic component that is provided with of the other end and batter hack lever is fixed.

4,, it is characterized in that described batter hack lever is provided with the support hack lever according to the foot rest structure of claim 2 or 3 described supporting frames.

5, the foot rest structure of supporting frame according to claim 4, the position, stage casing that it is characterized in that described batter hack lever is provided with perforation, perforation is provided with stop block near near the batter hack lever free end direction, run through by fixing-assembly on the batter hack lever punch position and be pivoted one rotatablely and, be pivoted with the supporting frame bar in this U-shaped pivot seat with the U-shaped pivot seat of wherein a distolateral conflict stop block.

6, the foot rest structure of supporting frame according to claim 5 is characterized in that being provided with on the support frame as described above bar ㄩ shape putting rod.

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