Multi-dimensional support

Abstract

The utility model discloses a multi-dimensional support which comprises a supporting arm, a first steering shaft, a second steering shaft, a male crankset, a female crankset and a guide mechanism. One end of the supporting arm is used for being connected with a fixed target object, a rotating base is arranged at the other end of the supporting arm, the second steering shaft is rotationally arranged in the rotating base, the male crankset is coaxially and fixedly connected with one end of the second steering shaft, and the female crankset is arranged on the rotating base and coaxially arranged on one side of the male crankset. The female chain wheel is connected with the second steering shaft through the locking mechanism, the guide mechanism is arranged on the supporting arm and used for circumferentially positioning the female chain wheel, the first steering shaft is rotationally arranged on the second steering shaft, the axes of the first steering shaft and the second steering shaft are perpendicular to each other, and the end of the first steering shaft is used for being connected with equipment; according to the bracket, the stability of the second steering shaft can be greatly improved by adopting a mechanical locking device, and meanwhile, the first steering shaft and the second steering shaft are vertically arranged and can rotate, so that multi-dimensional angle adjustment of equipment time can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of display supporting equipment, in particular to a multi-dimensional bracket. Background Art

[0002] When the monitor is used in a studio or outdoors, it needs to be installed on a special angle support frame, through which the angle or distance of the monitor can be adjusted. Existing support frames include universal ball support frames, hinge support frames and hinge support frames. The above support frames are generally used for small electronic devices and have poor weighing capacity.

[0003] For example, a universal ball support frame includes a base, a universal ball and a steering seat. The steering seat is connected to the electronic device. The angle of the steering seat is adjusted by the universal ball to achieve angle adjustment of the electronic device. The electronic device includes a small camera, a still camera, and an image acquisition device. However, if a larger display is installed, the locking mechanism of the universal ball will fail due to the heavy weight of the display, and the steering seat cannot be maintained in the predetermined position, seriously affecting the use of the display. In addition, the angle adjustment range of the hinge support frame and the hinge-type support frame is relatively single, which affects the display angle of the display. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a multi-dimensional bracket, wherein a rotating shaft and an angle adjustment assembly are arranged at both ends of a support arm to realize multi-angle adjustment of the bracket, and a toothed disc is used for locking to improve the stability of the bracket.

[0005] The utility model is realized by the following technical solutions:

[0006] A multi-dimensional bracket, comprising a support arm, a first steering shaft, a second steering shaft, a male sprocket, a female sprocket and a guide mechanism;

[0007] One end of the support arm is used to connect to a fixed target object, and the other end of the support arm is provided with a rotating seat, the second steering shaft is rotatably arranged in the rotating seat, the male sprocket is coaxially fixedly connected to one end of the second steering shaft, the female sprocket is arranged on the rotating seat, and one side of the male sprocket is coaxially arranged, the female sprocket is connected to the second steering shaft through a locking mechanism, the guide mechanism is arranged on the support arm for circumferential positioning of the female sprocket, the first steering shaft is rotatably arranged on the second steering shaft and the axes are perpendicular to each other, and the end of the first steering shaft is used to connect the equipment.

[0008] Preferably, the rotating seat comprises two cantilever plates which are arranged in parallel and at intervals at the ends of the support arms, and both ends of the second steering shaft are rotatably arranged on the cantilever plates.

[0009] Preferably, the guide mechanism includes a slide groove and a positioning block;

[0010] The slide groove is arranged on the annular side wall of the female tooth plate, one end of the positioning block is connected to the support arm, and the other end of the positioning block 7 is located in the slide groove.

[0011] Preferably, the locking mechanism is a knob bolt, the end of which passes through the male sprocket and the female sprocket and is connected to the second steering shaft, and the knob bolt is used to apply a coupling pressure to the male sprocket and the female sprocket.

[0012] Preferably, a resistance structure is provided on the side where the male and female toothed discs contact each other.

[0013] Preferably, an elastic device is provided between the male tooth plate and the female tooth plate.

[0014] Preferably, a positioning mechanism is provided on the second steering shaft for positioning the rotation angle of the first steering shaft;

[0015] The positioning mechanism comprises a positioning screw and a positioning hole. A plurality of positioning holes are evenly distributed on the circumference of the first steering shaft. The positioning screw is arranged on the second steering shaft. The end of the positioning screw extends into any positioning hole.

[0016] Preferably, the second steering shaft is provided with a stop structure for axially positioning the first steering shaft;

[0017] The anti-slip structure comprises an anti-slip groove and a positioning pin. The anti-slip groove is an annular groove arranged on the first steering shaft, and the positioning pin is arranged on the second steering shaft. The end of the positioning pin is located in the anti-slip groove.

[0018] Preferably, a fixed shaft is provided at one end of the support arm connected to the fixed target object, and an axis hole connected to the fixed target object is provided on the fixed shaft.

[0019] Preferably, a fixing plate is provided at the end of the first steering shaft.

[0020] Compared with the prior art, the utility model has the following beneficial technical effects:

[0021] The present application provides a multi-dimensional bracket, in which a second steering shaft is arranged at the end of a support arm, and two chainrings are arranged at the end of the second steering shaft, wherein one of the chainrings is connected to the support arm by a guide mechanism, so that the pressure plate can move circumferentially while maintaining circumferential positioning, and pressure is applied to the two pressure plates by a locking mechanism to achieve angular positioning of the second steering shaft. The bracket adopts a mechanical locking device to greatly improve the stability of the second steering shaft. At the same time, the first steering shaft and the second steering shaft are arranged vertically and can rotate, so that the device can be adjusted in multiple dimensions in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of the multi-angle bracket of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the support arm of the utility model;

[0024] Figure 3 This is a schematic structural diagram of the first steering shaft of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the angle adjustment component of the utility model;

[0026] Figure 5 It is a structural schematic diagram of the tooth plate of the utility model;

[0027] Figure 6 It is a cross-sectional view of the angle adjustment component of the utility model.

[0028] In the figure: 1. fixing plate; 2. first steering shaft; 3. first knob; 4. second steering shaft; 5. support arm; 6. fixing shaft; 7. positioning block; 8. second knob; 9. positioning screw; 10. steering groove; 11. first shaft hole; 12. second shaft hole; 13. positioning groove; 14. positioning hole; 15. anti-slip groove; 16. male tooth plate; 17. female tooth plate; 18. slide groove; 19. spring hole; 20. connecting column. DETAILED DESCRIPTION

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings, which are intended to explain the present invention rather than to limit it.

[0030] See also Figure 1-6 , a multi-dimensional bracket, comprising a support arm 5, a fixed shaft 6, a first steering shaft 2 and an angle adjustment assembly;

[0031] The lower end of the fixed shaft 6 is connected to the target object, the upper end of the fixed shaft 6 is rotatably connected to one end of the support arm 5, and the axis of the fixed shaft 6 and the support arm are perpendicular to each other. The angle adjustment component is rotatably arranged at the other end of the support arm 5, the axial direction of the angle adjustment component is perpendicular to the axial direction of the support arm 5, and the angle adjustment component can rotate circumferentially. One end of the first steering shaft 2 is connected to the angle adjustment component, and the other end of the first steering shaft 2 is used to connect an electronic device, the axial direction of the first steering shaft 2 is perpendicular to the axial direction of the angle adjustment component, and the first steering shaft 2 can rotate circumferentially.

[0032] The multi-dimensional bracket has two ends of a support arm connected to a fixed shaft and an angle adjustment component respectively, and the angle adjustment component is connected to a first steering shaft 2, and both the angle adjustment component and the first steering shaft 2 can rotate in a circle around their own axes, so that the multi-dimensional bracket can achieve three-dimensional steering, that is, horizontal angle adjustment, pitch angle adjustment and angle adjustment of the electronic device itself can be achieved. Through the three-dimensional angle adjustment, the electronic device can be adjusted at any angle, thereby improving the use range of the electronic device.

[0033] A steering groove 10 is provided at the connecting end of the support arm 5 and the angle adjustment component. Two cantilever plates are provided in parallel and spaced apart at the end of the support arm 5. The steering groove 10 is located between the two cantilever plates. The steering groove 10 is a U-shaped groove. Coaxial first axial holes 11 are respectively provided on the two cantilever plates. Both ends of the angle adjustment component are arranged in the first axial holes 11 and can rotate along the axis of the first axial hole 11.

[0034] The angle adjustment assembly includes a second steering shaft 4 and a chainring locking mechanism, a positioning plate is provided at one end of the second steering shaft, a damping washer is provided on the inner side of the positioning plate and is sleeved on the second steering shaft, the chainring locking mechanism is connected to the other end of the second steering shaft through a second knob 8, both ends of the second steering shaft 4 are arranged in the first axial hole 11, and the positioning plate and the chainring locking mechanism are respectively located in two cantilever plates, axially positioning the first axial hole 11, the second knob 8 is used to control the locking state of the chainring locking mechanism, when the chainring locking mechanism is in a locked state, the angle adjustment assembly is circumferentially positioned, and when the chainring locking mechanism is in a non-locked state, the angle adjustment assembly can rotate axially around the first axial hole 11.

[0035] The chainring locking mechanism comprises a male chainring 16, a female chainring 17 and a guide mechanism.

[0036] The male tooth plate 16 is coaxially fixed to the end of the second steering shaft 4, and the male tooth plate 16 is arranged in the first axial hole 11. One end of the female tooth plate 17 is in contact with the male tooth plate 16, and the other end is provided with a positioning plate. The positioning plate is arranged on the outside of the cantilever plate. The guide mechanism is used for axial positioning of the female tooth plate 17 and can make the female tooth plate 17 move axially along the first axial hole. One end of the second knob 8 passes through the female tooth plate 17 and is threadedly connected to the second steering shaft 4. Pressure is applied to the male tooth plate 16 and the female tooth plate 17 through the second knob 8, so that the male tooth plate 16 and the female tooth plate 17 are locked with each other by friction.

[0037] The end where the male toothed disc 16 and the female toothed disc 17 contact each other is provided with a resistance structure, and the resistance structure is end face teeth provided on the male toothed disc 16 and the female toothed disc 17 and capable of meshing with each other.

[0038] An elastic device is provided between the male chain plate 16 and the female chain plate 17. In this embodiment, a connecting column 20 is provided at the end of the second steering shaft 4, and a spring hole 19 is provided on the outside of the connecting column 20. The elastic device is a spring, and the spring is sleeved on the connecting column 20. When the angle needs to be adjusted, the second knob 8 is loosened to quickly separate the male chain plate 16 and the female chain plate 17 under the action of the elastic force.

[0039] The guiding mechanism comprises a sliding groove 18 , a positioning groove 13 and a positioning block 7 .

[0040] The positioning groove 13 is arranged on the outer side wall of the support arm, the slide groove 18 is arranged on the side wall of the female toothed disc 17, one end of the positioning block 7 is connected to the positioning groove 13, and the other end of the positioning block 7 is located in the slide groove to position the female toothed disc 17 circumferentially.

[0041] When the angle adjustment assembly is locked, the two toothed discs engage with each other and the damping washer is deformed under pressure, which can eliminate the size deviation of the positioning block 11 and the end face tooth error of the two toothed discs and improve the stability of the angle adjustment assembly.

[0042] An axial hole perpendicular to its axis is provided in the middle of the second steering shaft 4, and the first steering shaft 2 is arranged in the axial hole. A plurality of positioning holes 14 are provided at intervals in the circumferential direction of the first steering shaft 2, and the plurality of positioning holes 14 are evenly distributed around the circumference. A first knob 3 is provided at the end of the second steering shaft 4, and the end of the first knob 3 extends into the axial hole and can be inserted into the positioning hole 14. When the first steering shaft 2 needs to be rotated, the first knob 3 is rotated to separate its end from the positioning hole, the first steering shaft 2 is rotated to a set angle, and the first knob 3 is rotated in the opposite direction to insert its end into another positioning hole. It should be noted that the rotation angle of the first steering shaft 2 is an integer multiple of the angles of the two positioning holes.

[0043] In this embodiment, four positioning holes are provided on the first steering shaft 2, and the angle between two adjacent positioning holes is 90°, that is, the rotation angle of the first steering shaft 2 is 90°, 180° or 270°, so that the horizontal and vertical screen adjustments of the display can be realized.

[0044] The end of the first steering shaft 2 is connected to a fixing plate 1 through bolts, the electronic equipment is arranged on the fixing plate, and a plurality of fixing holes are arranged on the fixing plate for connecting different electronic equipment.

[0045] The first steering shaft 2 is also provided with an anti-slip structure for preventing the first steering shaft 2 from separating from the second steering shaft 4. The anti-slip structure includes an anti-slip groove 15 and a positioning pin. The anti-slip groove 15 is an annular groove arranged on the first steering shaft 2, and the positioning pin is arranged on the second steering shaft 4. The end of the positioning pin is located in the anti-slip groove 15 to perform axial positioning on the first steering shaft 2.

[0046] The connecting end of the support arm 5 and the fixed shaft is provided with a second shaft hole 12, the upper end of the fixed shaft 6 is provided with a second shaft hole 12 and is fixed by screws, and the lower end of the fixed shaft 6 is provided with a connecting structure for connecting with the fixed structure on the target object.

[0047] In this embodiment, the connecting structure is an axial hole, and the fixed structure is a mounting column set on the wall. The lower end of the fixed shaft 6 is sleeved on the mounting column. A positioning screw 9 is also provided on the fixed shaft 6. The end of the positioning screw 9 abuts against the mounting column. When the support arm needs to be rotated, the positioning screw 9 can be loosened to rotate the support arm. When positioning the support arm, the positioning screw 9 is loosened or tightened.

[0048] The electronic device is a display.

[0049] The multi-dimensional bracket has a horizontally arranged support arm and one end of which can rotate horizontally along a fixed axis. The angle adjustment component at the other end of the support arm realizes circumferential rotation by controlling the locking force of the toothed disc, and then drives the pitch angle adjustment of the display through the first steering shaft. In addition, the horizontal and vertical screen adjustments of the display can be realized by rotating the first steering shaft. The three-dimensional rotating mechanism coupling of the bracket realizes 720° angle adjustment of the display, and mechanical locking structures are adopted in the three dimensions respectively, which greatly improves the stability of the bracket.

[0050] The above content is only for explaining the technical idea of ​​the utility model and cannot be used to limit the protection scope of the utility model. Any changes made on the basis of the technical solution in accordance with the technical idea proposed by the utility model shall fall within the protection scope of the claims of the utility model.

Claims

1. A multi-dimensional stent, characterized in that: It includes a support arm, a first steering shaft, a second steering shaft, a male sprocket, a female sprocket and a guide mechanism; One end of the support arm is used to connect to a fixed target object, and the other end of the support arm is provided with a rotating seat, the second steering shaft is rotatably arranged in the rotating seat, the male sprocket is coaxially fixedly connected to one end of the second steering shaft, the female sprocket is arranged on the rotating seat, and one side of the male sprocket is coaxially arranged, the female sprocket is connected to the second steering shaft through a locking mechanism, the guide mechanism is arranged on the support arm for circumferential positioning of the female sprocket, the first steering shaft is rotatably arranged on the second steering shaft and the axes are perpendicular to each other, and the end of the first steering shaft is used to connect the equipment.

2. A multi-dimensional stent according to claim 1, characterized in that: The rotating seat comprises two cantilever plates which are arranged in parallel at the end of the supporting arm at an interval, and two ends of the second steering shaft are rotatably arranged on the cantilever plates.

3. A multi-dimensional stent according to claim 2, characterized in that: The guiding mechanism comprises a slide groove and a positioning block; The slide groove is arranged on the annular side wall of the female tooth plate, one end of the positioning block is connected to the support arm, and the other end of the positioning block is located in the slide groove.

4. A multi-dimensional stent according to claim 2, characterized in that: The locking mechanism is a knob bolt, the end of which passes through the male sprocket and the female sprocket and is connected to the second steering shaft, and the knob bolt is used to apply a combining pressure to the male sprocket and the female sprocket.

5. The multi-dimensional stent according to claim 1, characterized in that: A resistance structure is arranged on one side where the male tooth plate and the female tooth plate contact each other.

6. The multi-dimensional stent according to claim 1, characterized in that: An elastic device is arranged between the male tooth plate and the female tooth plate.

7. The multi-dimensional stent according to claim 1, characterized in that: The second steering shaft is provided with a positioning mechanism for positioning the rotation angle of the first steering shaft; The positioning mechanism comprises a positioning screw and a positioning hole. A plurality of positioning holes are evenly distributed on the circumference of the first steering shaft. The positioning screw is arranged on the second steering shaft. The end of the positioning screw extends into any positioning hole.

8. The multi-dimensional stent according to claim 1, characterized in that: The second steering shaft is provided with a stop structure for axially positioning the first steering shaft; The anti-slip structure comprises an anti-slip groove and a positioning pin. The anti-slip groove is an annular groove arranged on the first steering shaft, and the positioning pin is arranged on the second steering shaft. The end of the positioning pin is located in the anti-slip groove.

9. The multi-dimensional stent according to claim 1, characterized in that: One end of the support arm connected to the fixed target is provided with a fixed shaft, and the fixed shaft is provided with an axis hole connected to the fixed target.

10. A multi-dimensional stent according to any one of claims 1 to 9, characterized in that: A fixing plate is disposed at the end of the first steering shaft.

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