C-shaped arm three-axis touch screen support mechanism

Abstract

The utility model relates to the technical field of touch screens, and discloses a C-shaped arm three-shaft touch screen support mechanism which comprises an installation sleeve, a main rotating shaft is fixedly connected in the installation sleeve, a supporting arm is arranged outside the main rotating shaft in a sleeved mode, a friction spacer bush is arranged between the supporting arm and the main rotating shaft, a plane needle bearing is arranged at the bottom of the friction spacer bush, and the plane needle bearing is connected with the main rotating shaft in a sleeved mode. The plane needle bearing is arranged in the mounting sleeve, a pressing flange is arranged at the top of the main rotating shaft, a limiting flange is arranged at the top of the pressing flange, a mounting groove is formed in the top of the upper portion of the supporting arm, a rotating sleeve is rotationally connected into the mounting groove, and a touch screen friction pad is fixedly connected to the bottom of the rotating sleeve. The bottom of the touch screen friction pad is fixedly connected with a nylon limiting flange. According to the utility model, the plane needle bearing, the friction spacer bush, the mounting groove, the touch screen friction spacer bush and the adjusting assembly are matched with one another to work, so that the damping can be adjusted, and the use requirements of various operating forces can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of touch screens, in particular to a C-arm three-axis touch screen bracket mechanism. Background Art

[0002] A touch screen is an inductive liquid crystal display device that can receive input signals such as contacts. When a graphic button on the screen is touched, the tactile feedback system on the screen can drive various connection devices according to a pre-programmed program. It can be used to replace mechanical button panels and create vivid audio and video effects through the LCD display.

[0003] The leakage of the touch cable is not only unsightly, but also not conducive to practical use, and the touch screen may have different angles and positions required in actual use.

[0004] In view of the above problems, a C-arm three-axis touch screen bracket mechanism is proposed. Utility Model Content

[0005] The utility model aims to provide a C-arm three-axis touch screen bracket mechanism, which solves the problem in the background art that the leakage of touch wire cables is not only unsightly but also not conducive to practical use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a C-arm three-axis touch screen bracket mechanism, comprising a mounting sleeve, a main rotating shaft is fixedly connected inside the mounting sleeve, a support arm is sleeved outside the main rotating shaft, a friction sleeve is arranged between the support arm and the main rotating shaft, a plane needle bearing is arranged at the bottom of the friction sleeve, the plane needle bearing is arranged in the mounting sleeve, a clamping flange is arranged at the top of the main rotating shaft, a limiting flange is arranged at the top of the clamping flange, a mounting groove is opened at the top above the support arm, a rotating sleeve is rotatably connected in the mounting groove, a touch screen friction pad is fixedly connected at the bottom of the rotating sleeve, a nylon limiting flange is fixedly connected at the bottom of the touch screen friction pad, a touch screen friction sleeve is arranged outside the rotating sleeve, a limiting pin is fixedly connected in the mounting groove, a touch screen support arm is fixedly connected at the top of the rotating sleeve, an adjustment component is arranged on the left side outer side of the touch screen support arm, a touch screen is connected to the outside of the adjustment component, and limiting columns are fixedly connected to the outside of both sides of the touch screen support arm.

[0007] By adopting the above technical solution, the main shaft, the support arm and the rotating sleeve are all hollow inside, ensuring that the internal space of the touch screen bracket mechanism is sufficient. While the cables are hidden, the touch screen cable will not be damaged when the angle of the mechanism is adjusted.

[0008] As a further description of the above technical solution: The adjusting assembly includes a touch screen bracket. Two of the touch screen brackets are arranged on the outer side of the touch screen arm. Anti-rotation threaded shafts are penetrated and arranged on both sides of the touch screen bracket. A nut is externally threaded on the outer end of the anti-rotation threaded shaft. A disc spring is sleeved on the anti-rotation threaded shaft, and the disc spring is arranged inside both sides of the touch screen bracket. Wear-resistant pads are arranged on the inner sides of the two touch screen brackets, and the anti-rotation threaded shafts penetrate through the wear-resistant pads. The outer sides of the two touch screen brackets are fixedly connected to the touch screen.

[0009] By adopting the above technical solution, the pitching angle of the touch screen can be adjusted by the adjusting assembly within the range of -10° to +30°. The pitching friction force is provided by the wear-resistant pads, the rotational damping is provided by the pre-tightening force of the disc spring and the nut, and the pitching angle limit is realized by the limit posts.

[0010] As a further description of the above technical solution: An end face friction pad is arranged at the bottom of the pressing flange, and the end face friction pad is arranged on the top of the main rotating shaft.

[0011] By adopting the above technical solution, the end face friction pad and the friction spacer cooperate to provide rotational damping.

[0012] As a further description of the above technical solution: A second damping adjusting screw is penetrated and threadedly connected to the upper left side of the arm.

[0013] By adopting the above technical solution, the second damping adjusting screw plays a role in limiting.

[0014] As a further description of the above technical solution: A plurality of connecting screws are penetrated and arranged in the limit flange, and the bottom of the connecting screw is threadedly connected to the pressing flange.

[0015] By adopting the above technical solution, the limit flange and the pressing flange can be connected by the connecting screws.

[0016] As a further description of the above technical solution: A first damping adjusting screw is penetrated and threadedly connected to the lower left side of the arm.

[0017] By adopting the above technical solution, the magnitude of the damping force when the arm rotates is adjusted by the first damping adjusting screw.

[0018] As a further description of the above technical solution: Gaskets are arranged on both sides of the disc spring, and the gaskets are sleeved on the outer part of the anti-rotation threaded shaft.

[0019] By adopting the above technical solution, the gaskets can play a stabilizing effect.

[0020] As a further description of the above technical solution: Limit grooves are opened on the inner sides of the two touch screen brackets, and the limit posts are arranged in the limit grooves.

[0021] By adopting the above technical solution, the limiting column can slide in the limiting groove to achieve elevation adjustment.

[0022] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0023] 1. The utility model provides a C-arm three-axis touch screen bracket mechanism, which firstly cooperates with the first damping adjustment screw, the second damping adjustment screw, the plane needle bearing, the friction spacer, the mounting groove, the touch screen friction spacer and the adjustment component to adjust the damping size to meet the use requirements of various operating force sizes.

[0024] 2. The utility model provides a C-arm three-axis touch screen bracket mechanism, in which the touch screen arm, rotating sleeve, mounting sleeve, limit flange, nylon limit flange, main rotating shaft and clamping flange cooperate with each other. The main rotating shaft, arm and rotating sleeve are all hollow inside, ensuring that the internal space of the touch screen bracket mechanism is sufficient. While the cables are hidden, the touch screen cable will not be damaged when the angle of the mechanism is adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is a cross-sectional view of the main shaft of the utility model;

[0027] Figure 3 It is a cross-sectional view of the rotating sleeve of the utility model;

[0028] Figure 4 It is a cross-sectional view of the touch screen support arm of the present utility model.

[0029] In the figure: 1. Installation sleeve; 2. Main rotating shaft; 3. Support arm; 4. Plane needle bearing; 5. Friction spacer; 6. End friction pad; 7. Connecting screw; 8. Limit flange; 9. First damping adjustment screw; 10. Clamping flange; 11. Installation slot; 12. Touch screen support arm; 13. Rotating sleeve; 14. Nylon limit flange; 15. Touch screen friction spacer; 16. Second damping adjustment screw; 17. Limit pin; 18. Touch screen friction pad; 19. Anti-rotation threaded shaft; 20. Nut; 21. Gasket; 22. Wear-resistant pad; 23. Touch screen bracket; 24. Touch screen; 25. Limit column; 26. Limit slot; 27. Disc spring. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0031] To further understand the content of the present invention, the present invention will be described in detail with reference to the accompanying drawings.

[0032] Refer to Figures 1-4 , a C-arm three-axis touch screen support mechanism of the present invention includes an installation sleeve 1. A main rotating shaft 2 is fixedly connected inside the installation sleeve 1 and is hollow. A support arm 3 is sleeved outside the main rotating shaft 2. A friction spacer 5 is arranged between the support arm 3 and the main rotating shaft 2 to provide rotational damping. A flat needle roller bearing 4 is arranged at the bottom of the friction spacer 5 to play a role of rotational support. The flat needle roller bearing 4 is arranged inside the installation sleeve 1. A compression flange 10 is arranged at the top of the main rotating shaft 2, and a limit flange 8 is arranged at the top of the compression flange 10 to facilitate the passing of cables. An installation groove 11 is opened at the top above the support arm 3. A rotating sleeve 13 is rotatably connected inside the installation groove 11 and is hollow. A touch screen friction pad 18 is fixedly connected to the bottom of the rotating sleeve 13. The touch screen friction pad 18 is connected to a second damping adjustment screw 16. A nylon limit flange 14 is fixedly connected to the bottom of the touch screen friction pad 18. A chute (not marked in the figure) is arranged at the bottom of the nylon limit flange 14. A touch screen friction spacer 15 is arranged outside the rotating sleeve 13 to facilitate the provision of frictional force. A limit pin 17 is fixedly connected inside the installation groove 11, and the limit pin 17 slides in the chute. A touch screen support arm 12 is fixedly connected to the top of the rotating sleeve 13. An adjustment assembly is arranged on the outer side of the left side of the touch screen support arm 12. A touch screen 24 is connected to the outside of the adjustment assembly. Limit columns 25 are fixedly connected to the outer sides of both sides of the touch screen support arm 12 to play a role of limiting.

[0033] Refer to Figure 4, The adjustment assembly includes a touch screen bracket 23. Two touch screen brackets 23 are arranged on the outer side of the touch screen arm 12. Anti-rotation threaded shafts 19 penetrate through both sides of the touch screen bracket 23 and are arranged therein. The inner ends of the anti-rotation threaded shafts 19 are arranged inside the touch screen arm 12 and are limited by limit blocks. The outer ends of the anti-rotation threaded shafts 19 are externally threaded and connected with nuts 20. Disc springs 27 are sleeved on the outer sides of the anti-rotation threaded shafts 19, and the disc springs 27 are arranged inside both sides of the touch screen bracket 23. The disc springs 27 are disc springs. Wear-resistant pads 22 are arranged on the inner sides of the two touch screen brackets 23, and the anti-rotation threaded shafts 19 penetrate through the wear-resistant pads 22. The outer sides of the two touch screen brackets 23 are fixedly connected to the touch screen 24. Gaskets 21 are arranged on both sides of the disc springs 27, and the gaskets 21 are sleeved on the outer sides of the anti-rotation threaded shafts 19. Limit grooves 26 are formed on the inner sides of the two touch screen brackets 23, and limit posts 25 are arranged in the limit grooves 26. The pitch angle of the touch screen 24 can be adjusted from -10° to +30° through the adjustment assembly. The pitch friction force is provided by the wear-resistant pads 22, the rotational damping is provided by the pre-tightening force of the disc springs 27 and the nuts 20, and the pitch angle limit is realized by the limit posts 25.

[0034] Refer to Figure 2 , Figure 3 and Figure 4 , A face friction pad 6 is arranged at the bottom of the compression flange 10. The face friction pad 6 is arranged on the top of the main rotating shaft 2 and can provide rotational damping. A second damping adjustment screw 16 penetrates through and is threadedly connected to the upper left side of the arm 3. The second damping adjustment screw 16 is used to adjust the damping force when the touch screen arm 12 rotates. A plurality of connecting screws 7 penetrate through and are arranged in the limit flange 8, and the bottoms of the connecting screws 7 are threadedly connected to the compression flange 10 to play a connecting role. A first damping adjustment screw 9 penetrates through and is threadedly connected to the lower left side of the arm 3.

[0035] Working principle: The rotation angle of the arm 3 is ±135°. The plane needle roller bearing 4 is used for rotational support. The face friction pad 6 and the friction spacer 5 provide rotational damping. The first damping adjustment screw 9 is used to adjust the damping force when the arm 3 rotates. The function of the limit flange 8 is to protect the cable and for rotational limit. The rotation angle of the touch screen arm 12 is ±135°. The friction force is provided by the touch screen friction spacer 15 and the touch screen friction pad 18. The nylon limit flange 14 and the limit pin 17 achieve angle limit. The rotational damping force of the touch screen arm 12 is adjusted by the second damping adjustment screw 16. The pitch angle of the touch screen bracket 23 is from -10° to +30°. The pitch friction force is provided by the wear-resistant pads 22. The rotational damping is provided by the pre-tightening force of the disc springs 27 and the nuts 20. The pitch angle limit is realized by the limit posts 25.

[0036] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0037] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A C-arm three-axis touch screen support mechanism, including a mounting sleeve (1), characterized in that: A main rotating shaft (2) is fixedly connected inside the mounting sleeve (1). A support arm (3) is sleeved outside the main rotating shaft (2). A friction spacer sleeve (5) is arranged between the support arm (3) and the main rotating shaft (2). A needle roller bearing (4) is arranged at the bottom of the friction spacer sleeve (5). The needle roller bearing (4) is arranged inside the mounting sleeve (1). A pressing flange (10) is arranged at the top of the main rotating shaft (2). A limiting flange (8) is arranged at the top of the pressing flange (10). An installation groove (11) is formed at the top above the support arm (3). A rotating sleeve (13) is rotatably connected inside the installation groove (11). A touch screen friction pad (18) is fixedly connected to the bottom of the rotating sleeve (13). A nylon limiting flange (14) is fixedly connected to the bottom of the touch screen friction pad (18). A touch screen friction spacer sleeve (15) is arranged outside the rotating sleeve (13). A limiting pin (17) is fixedly connected inside the installation groove (11). A touch screen support arm (12) is fixedly connected to the top of the rotating sleeve (13). An adjusting component is arranged on the outer side of the left side of the touch screen support arm (12). The adjusting component is externally connected to a touch screen (24). Limiting columns (25) are fixedly connected to both outer sides of the touch screen support arm (12).

2. The C-arm three-axis touch screen bracket mechanism according to claim 1, characterized in that: The adjusting component includes touch screen brackets (23). The two touch screen brackets (23) are arranged on the outer side of the touch screen support arm (12). Anti-rotation threaded shafts (19) penetrate through both sides of the touch screen brackets (23). A nut (20) is threadedly connected to the outer end of the anti-rotation threaded shaft (19). A disc spring (27) is sleeved outside the anti-rotation threaded shaft (19), and the disc spring (27) is arranged inside both sides of the touch screen brackets (23). Wear-resistant pads (22) are arranged on the inner sides of the two touch screen brackets (23) facing each other, and the anti-rotation threaded shaft 19 penetrates through the wear-resistant pads (22). The outer sides of the two touch screen brackets (23) are fixedly connected to the touch screen (24).

3. The C-arm three-axis touch screen support mechanism according to claim 1, characterized in that: An end face friction pad (6) is arranged at the bottom of the pressing flange (10). The end face friction pad (6) is arranged at the top of the main rotating shaft (2).

4. The C-arm three-axis touch screen bracket mechanism according to claim 1, characterized in that: A second damping adjustment screw (16) penetrates through and is threadedly connected to the upper left side of the support arm (3).

5. The C-arm three-axis touch screen support mechanism according to claim 1, characterized in that: A plurality of connecting screws (7) penetrate through and are arranged inside the limiting flange (8), and the bottom of the connecting screw (7) is threadedly connected to the pressing flange (10).

6. The C-arm three-axis touch screen support mechanism according to claim 1, characterized in that: A first damping adjustment screw (9) penetrates through and is threadedly connected to the lower left side of the support arm (3).

7. The C-arm three-axis touch screen support mechanism according to claim 2, characterized in that: Gaskets (21) are arranged on both sides of the disc spring (27), and the gaskets (21) are sleeved outside the anti-rotation threaded shaft (19).

8. A C-arm three-axis touch screen support mechanism according to claim 2, characterized in that: Limiting grooves (26) are formed on the inner sides of the two touch screen brackets (23) facing each other. The limiting columns (25) are arranged inside the limiting grooves (26).

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