Supporting arm

Abstract

The utility model discloses a supporting arm which comprises a stand column, a first through hole used for containing a cable and a wire harness groove used for being communicated with the first through hole are formed in the central axis of the stand column, and the wire harness groove is formed in the edge of the upper end of the stand column and penetrates through the curved surface of the stand column. A support with a horizontal steering function is installed at the upper end of the stand column and used for fixing a displayer. Wherein the depth of the wire harness groove is larger than the diameter of the cable, so that the upper shell is prevented from contacting the cable when rotating horizontally. According to the support arm, the support with the steering function is arranged at the upper end of the stand column, so that the display can be adjusted at multiple angles, the support can rotate in the horizontal direction and the vertical direction, the cable hidden in the stand column cannot be damaged in the angle adjusting process of the support, and therefore the angle of the support arm can be adjusted at low cost; and the cable is hidden in the stand column.

Description

Technical Field

[0001] The utility model relates to the technical field of support arms, in particular to a support arm. Background Art

[0002] The support arms used for monitors in medical equipment include external counterpulsation therapy equipment, limb movement rehabilitation trainers, four-limb linkage rehabilitation trainers, gait training systems and other equipment. Since the support arms are used to install monitors, the support arms need to bind or hide the cables installed on the monitors to prevent the cables from being entangled or damaged by being dragged by foreign objects.

[0003] The existing support arm cannot adjust the angle in the horizontal and vertical directions when hiding the cables, and the arm is easily worn out due to contact with the cables when adjusting the angle, which affects the service life of the cables. At the same time, the production cost of the support arm that hides the cables is high. In order to solve the above technical problems, a support arm is proposed. Summary of the invention

[0004] The utility model aims to solve the technical problems in the prior art that the horizontal angle adjustment cost of the support arm is high and the cables are difficult to hide, thereby proposing a support arm.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a support arm, including a column, wherein a first through hole for placing a cable and a wiring harness groove for connecting the first through hole are provided at the central axis of the column, wherein the wiring harness groove is arranged at the edge of the upper end of the column and passes through the curved surface of the column; a support with a horizontal steering function is installed at the upper end of the column, and the support is used to fix the display; wherein the depth of the wiring harness groove is greater than the diameter of the cable to prevent the upper shell from contacting the cable when rotating horizontally.

[0006] Preferably, the wiring harness groove is arranged horizontally or inclined.

[0007] Preferably, the wiring harness groove is arranged at an angle, so that the cables inside the wiring harness groove are easy to lead out and the cables are prevented from being damaged due to bending.

[0008] Preferably, the support includes an upper shell with a horizontal rotation function, a hinge installed inside the upper shell and a horizontal rotating member abutting under the hinge, and the horizontal rotating member is fixed at the upper end of the column; wherein an opening is provided at the side end of the upper shell, wherein the initial position of the opening corresponds to the position of the wiring harness groove, so as to facilitate the installation of the cable in the wiring harness groove.

[0009] Preferably, the hinge comprises a first hinge column with a vertical arrangement of the central axis and a second hinge column with a horizontal arrangement of the central axis, wherein the first hinge column is installed in the upper shell; wherein the first hinge column and the second hinge column are integrally connected or detachably connected; wherein the second hinge column is installed at the opening of the upper shell, and a second fastener is installed in the second hinge column; wherein U-shaped bases are also installed at both ends of the second hinge column, and the second fastener fixes the U-shaped base to the second hinge column; wherein a first fastening bolt is installed on the U-shaped base, and the first fastening bolt fixes the display fixing frame to the U-shaped base.

[0010] Preferably, the display fixing bracket is used to install the display; a bowl body is connected to the middle part of the display fixing bracket, and the bottom end of the bowl body abuts against the U-shaped base, wherein the first fastening nut is installed inside the bowl body, and the depth of the bowl body is greater than the thickness of the first fastening nut.

[0011] Preferably, the display fixing frame is a plate-shaped structure, and a second through hole for assembling the display is provided at the top corner.

[0012] Preferably, the upper end of the first hinged column abuts against the upper shell, and the lower end of the first hinged column abuts against the horizontal rotating member; a first assembly groove is provided at the lower end of the upper shell, and the upper shell is sleeved on the column, wherein the inner diameter of the first assembly groove is not less than the outer diameter of the column, and the lower end surface of the upper shell is located above the cable; a trapezoidal through hole is provided at the upper end of the upper shell, and a third fastening bolt is installed in the trapezoidal through hole, wherein the third fastening bolt and the bottom end aperture of the trapezoidal through hole are adapted; the third fastening bolt passes through the horizontal rotating member, the first hinged column, the upper shell and the third gasket in sequence from bottom to top, wherein a third fastening nut is also installed at the upper end of the third fastening bolt, and the third fastening nut is installed in the trapezoidal through hole.

[0013] Preferably, the upper end of the column is inserted into the first assembly groove of the upper shell; a trapezoidal rubber plug is also installed in the trapezoidal through hole, wherein the trapezoidal rubber plug is located above the third fastening nut, and the trapezoidal rubber plug is used to seal the trapezoidal through hole.

[0014] Preferably, a second fastening bolt is installed on the edge of the horizontal rotating member, wherein an assembly hole is also provided at the upper end of the column, and the second fastening bolt is installed in the assembly hole to fix the horizontal rotating member on the column; a limit pin is also installed at the upper end of the horizontal rotating member, and the first hinged column can be rotated within a specified angle range by installing the limit pin.

[0015] Preferably, the horizontal rotating member is a damping plate.

[0016] Beneficial effects: In the technical solution, a first through hole for placing cables and a wiring harness groove for connecting the first through hole are provided at the central axis of the column, wherein the wiring harness groove is provided at the edge of the upper end of the column and passes through the curved surface of the column, wherein a support with a horizontal steering function is installed at the upper end of the column, and the support is used to fix the display; wherein the depth of the wiring harness groove is greater than the diameter of the cable, so the cable used to connect the display passes through the first through hole in the column, and passes through the curved surface of the column through the wiring harness groove, so the support will not damage the cable hidden in the column during the angle adjustment process, and the support arm makes its angle adjustable at a low cost and hides the cable in the column. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a support arm proposed by the utility model;

[0018] Figure 2 This is an exploded view of the support arm proposed by the utility model;

[0019] Figure 3 This is an exploded view of the support arm proposed by the utility model.

[0020] Legend:

[0021] 1. Column; 101. Assembly hole; 102. First through hole; 103. Wire harness groove; 2. Upper shell; 201. Trapezoidal through hole; 202. First assembly groove; 21. Opening; 3. Trapezoidal rubber plug; 4. Display fixing bracket; 41. Second through hole; 42. Bowl body; 51. First fastening bolt; 511. First fastening nut; 512. First gasket; 52. Second fastener; 53. Third fastening bolt; 531. Third fastening nut; 532. Third gasket; 55. Second fastening bolt; 6. U-shaped base; 601. Third through hole; 602. Fourth through hole; 70. Fifth through hole; 71. First hinge column; 72. Second hinge column; 8. Horizontal rotating member; 81. Limit pin. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] Reference Figure 1-3 The utility model provides an embodiment of a support arm, including a column 1, wherein a first through hole 102 for placing cables and a harness groove 103 for connecting the first through hole 102 are provided at the central axis of the column 1, wherein the harness groove 103 is arranged at the edge of the upper end of the column 1 and passes through the curved surface of the column 1; the harness groove 103 in this embodiment is arranged horizontally or inclined, wherein preferably, the harness groove 103 is arranged inclined, so that the cables inside the harness groove 103 are easy to lead out, and the cables are prevented from being damaged due to bending;

[0025] The upper end of the column 1 is provided with a support with a horizontal steering function, and the support is used to fix the display;

[0026] The depth of the harness groove 103 is greater than the diameter of the cable, so as to prevent the upper housing 2 from contacting the cable when rotating horizontally.

[0027] The support in this embodiment rotates horizontally above the column 1, wherein the local structure of the support can rotate in the vertical direction, so that the support can be adjusted at multiple angles above the column 1; wherein the depth of the harness groove 103 is greater than the diameter of the cable, wherein the first through hole 102 and the harness groove 103 are provided at the upper end of the column 1 so that the support does not contact the cable when rotating, and the cable is hidden in the column 1, thereby improving the neatness of the column 1, eliminating the need for manual adjustment of the position of the cable, and reducing the production costs of the column 1 and the support.

[0028] As a further improved embodiment, the support comprises an upper shell 2 with a horizontal rotation function, a hinge installed inside the upper shell 2 and a horizontal rotating member 8 abutting under the hinge, and the horizontal rotating member 8 is fixed to the upper end of the column 1;

[0029] An opening 21 is provided at a side end of the upper housing 2 , wherein an initial position of the opening 21 corresponds to a position of the harness groove 103 , so as to facilitate installation of the cable in the harness groove 103 .

[0030] As a further improved embodiment, the hinged member includes a first hinged column 71 with a central axis vertically arranged and a second hinged column 72 with a central axis horizontally arranged, wherein the first hinged column 71 is installed in the upper shell 2, so that the upper shell 2 is rotated in the horizontal direction by setting the first hinged column 71;

[0031] The first hinged column 71 and the second hinged column 72 are integrally connected or detachably connected;

[0032] The second hinge column 72 is installed at the opening 21 of the upper shell 2, and the second fastener 52 is installed in the second hinge column 72;

[0033] The second hinge column 72 is also provided with a U-shaped base 6 at both ends, wherein the U-shaped base 6 is provided with a third through hole 601 at both ends, and the second fastener 52 passes through the second hinge column 72 and the third through hole 601 at the other side through the third through hole 601 at one side; that is, the second fastener 52 fixes the U-shaped base 6 on the second hinge column 72;

[0034] A fourth through hole 602 is also provided at the top of the U-shaped base 6, and the top of the U-shaped base 6 abuts against the display fixing frame 4, wherein a first fastening bolt 51 is installed on the U-shaped base 6, and a first gasket 512 is installed on the first fastening bolt 51, and the first fastening bolt 51 passes through the bottom end of the display fixing frame 4 through the fourth through hole 602, and a first fastening nut 511 is also installed at the end of the first fastening bolt 51, wherein the first fastening nut 511 abuts against the display fixing frame 4, thereby making the U-shaped base 6 and the display fixing frame 4 fixed to each other; that is, the first fastening bolt 51 fixes the display fixing frame 4 to the U-shaped base 6.

[0035] In this embodiment, the display fixing frame 4 can be rotated horizontally and vertically by setting the first hinge column 71 and the second hinge column 72. At the same time, the cables are hidden in the column and pass through the harness groove 103 of the column 1 to prevent the cables from getting loose or crushed during the rotation of the upper shell 2.

[0036] As a further improved embodiment, the display fixing frame 4 is used to install the display;

[0037] The middle part of the display fixing frame 4 is connected with a bowl body 42, the bottom end of the bowl body 42 abuts against the U-shaped base 6, wherein the first fastening nut 511 is installed inside the bowl body 42; that is, the depth of the bowl body 42 is greater than the thickness of the first fastening nut 511;

[0038] The display fixing frame 4 is a plate-like structure, and a second through hole 41 for mounting the display is provided at the top corner. In this embodiment, the display fixing frame 4 and the bowl body 42 are an integrated structure, and the bowl body 42 is provided on the display fixing frame 4 to prevent the protruding first fastening bolt 51 from contacting the display.

[0039] As a further improved embodiment, the upper end of the first hinge column 71 abuts against the upper shell 2, and the lower end of the first hinge column 71 abuts against the horizontal rotating member 8;

[0040] The lower end of the upper shell 2 is provided with a first assembly groove 202, and the upper shell 2 is sleeved on the column 1, wherein the inner diameter of the first assembly groove 202 is not less than the outer diameter of the column 1, and the lower end surface of the upper shell 2 is located above the cable;

[0041] Preferably, the upper end of the column 1 is placed in the first assembly groove 202 of the upper shell 2;

[0042] The upper end of the upper shell 2 is provided with a trapezoidal through hole 201, and a third fastening bolt 53 is installed in the trapezoidal through hole 201, wherein the third fastening bolt 53 and the bottom end aperture of the trapezoidal through hole 201 are adapted;

[0043] The third fastening bolt 53 passes through the horizontal rotating member 8, the first hinge column 71, the upper shell 2 and the third gasket 532 from bottom to top in sequence, wherein the upper end of the third fastening bolt 53 is also installed with a third fastening nut 531, and the third fastening nut 531 is installed in the trapezoidal through hole 201; by rotating the third fastening nut 531, the upper end of the upper shell 2 abuts against the first hinge column 71, and the lower end of the first hinge column 71 abuts against the horizontal rotating member 8; by rotating the third fastening nut 531 to make it rotate downward, the damping between the first hinge column 71 and the horizontal rotating member 8 is increased under the action of the third gasket 532. The central axis of the first hinge column 71 is provided with a fifth through hole 70, and the third fastening bolt 53 passes through the first hinge column 71 through the fifth through hole 70.

[0044] In the trapezoidal through hole 201 described in this embodiment, a trapezoidal rubber plug 3 is further installed, wherein the trapezoidal rubber plug 3 is located above the third fastening nut 531 , and the trapezoidal rubber plug 3 is used to block the trapezoidal through hole 201 .

[0045] As a further improved embodiment, a second fastening bolt 55 is installed on the edge of the horizontal rotating member 8;

[0046] The upper end of the column 1 is also provided with an assembly hole 101, and the second fastening bolt 55 is installed in the assembly hole 101 to fix the horizontal rotating member 8 on the column 1;

[0047] A limit pin 81 is also installed at the upper end of the horizontal rotating member 8, and the limit pin 81 is installed to allow the first hinge column 71 to rotate within a specified angle range.

[0048] The horizontal rotating member 8 is an end bearing or a damping plate. In this embodiment, it is preferred that the horizontal rotating member 8 is a damping plate.

[0049] In this embodiment, a harness groove 103 is provided at the upper end of the column 1 to prevent the upper shell 2 from contacting the cables led out from the column 1 when rotating, and a limit pin 81 is provided on the horizontal rotating member 8 to prevent the cables fixed on the display from being entangled on the curved surface of the column 1.

[0050] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A support arm, characterized in that: The invention comprises a column (1), wherein a first through hole (102) for placing a cable and a harness groove (103) for connecting to the first through hole (102) are provided at the central axis of the column (1), wherein the harness groove (103) is provided at the edge of the upper end of the column (1) and passes through the curved surface of the column (1); a support with a horizontal steering function is installed at the upper end of the column (1), wherein the support is used to fix a display; wherein the depth of the harness groove (103) is greater than the diameter of the cable, so as to prevent the upper shell (2) from contacting the cable when rotating horizontally.

2. The support arm according to claim 1, characterized in that: The wiring harness groove (103) is arranged horizontally or inclined.

3. The support arm according to claim 2, characterized in that: The wiring harness groove (103) is arranged obliquely, so that the cables inside the wiring harness groove (103) are easily led out, and the cables are prevented from being damaged due to bending.

4. The support arm according to claim 1, characterized in that: The support comprises an upper shell (2) having a horizontal rotation function, a hinge installed inside the upper shell (2), and a horizontal rotating member (8) abutting against the lower part of the hinge, wherein the horizontal rotating member (8) is fixed to the upper end of the column (1); wherein an opening (21) is provided at a side end of the upper shell (2), wherein an initial position of the opening (21) corresponds to a position of a wiring harness groove (103), thereby facilitating installation of a cable in the wiring harness groove (103).

5. The support arm according to claim 4, characterized in that: The hinged component comprises a first hinged column (71) whose central axis is vertically arranged and a second hinged column (72) whose central axis is horizontally arranged, wherein the first hinged column (71) is installed in the upper shell (2); wherein the first hinged column (71) and the second hinged column (72) are integrally connected or detachably connected; wherein the second hinged column (72) is installed at the opening (21) of the upper shell (2), and a second fastener (52) is installed in the second hinged column (72); wherein both ends of the second hinged column (72) are also installed with a U-shaped base (6), and the second fastener (52) fixes the U-shaped base (6) to the second hinged column (72); wherein a first fastening bolt (51) is installed on the U-shaped base (6), and the first fastening bolt (51) fixes the display fixing frame (4) to the U-shaped base (6).

6. The support arm according to claim 5, characterized in that: The display fixing frame (4) is used to install a display; a bowl body (42) is connected to the middle of the display fixing frame (4); the bottom end of the bowl body (42) abuts against the U-shaped base (6); a first fastening nut (511) is installed inside the bowl body (42), and the depth of the bowl body (42) is greater than the thickness of the first fastening nut (511).

7. The support arm according to claim 5, characterized in that: The display fixing frame (4) is in a plate-like structure, and a second through hole (41) for assembling the display is provided at a top corner.

8. The support arm according to claim 5, characterized in that: The upper end of the first hinged column (71) abuts against the upper shell (2), and the lower end of the first hinged column (71) abuts against the horizontal rotating member (8); the lower end of the upper shell (2) is provided with a first assembly groove (202), and the upper shell (2) is sleeved on the column (1), wherein the inner diameter of the first assembly groove (202) is not less than the outer diameter of the column (1), and the lower end surface of the upper shell (2) is located above the cable; the upper end of the upper shell (2) is provided with a trapezoidal through hole (201), and the trapezoidal through hole (201) is provided on the upper end of the upper shell (2). A third fastening bolt (53) is installed in the trapezoidal through hole (201), wherein the third fastening bolt (53) and the bottom end hole diameter of the trapezoidal through hole (201) are matched; the third fastening bolt (53) passes through the horizontal rotating member (8), the first hinge column (71), the upper shell (2) and the third gasket (532) in sequence from bottom to top, wherein a third fastening nut (531) is also installed at the upper end of the third fastening bolt (53), and the third fastening nut (531) is installed in the trapezoidal through hole (201).

9. The support arm according to claim 8, characterized in that: The upper end of the upright column (1) is inserted into the first assembly groove (202) of the upper shell (2); a trapezoidal rubber plug (3) is also installed in the trapezoidal through hole (201), wherein the trapezoidal rubber plug (3) is located above the third fastening nut (531), and the trapezoidal rubber plug (3) is used to seal the trapezoidal through hole (201).

10. The support arm according to claim 4, characterized in that: A second fastening bolt (55) is installed on the edge of the horizontal rotating member (8), wherein the upper end of the column (1) is also provided with an assembly hole (101), the second fastening bolt (55) is installed in the assembly hole (101), and the horizontal rotating member (8) is fixed on the column (1); a limit pin (81) is also installed on the upper end of the horizontal rotating member (8), and the first hinge column (71) is rotated within a specified angle range by installing the limit pin (81).

11. The support arm according to claim 4, characterized in that: The horizontal rotating member (8) is a damping plate.

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