CN219493677U

CN219493677U - Rotary support arm and display

Info

Publication number: CN219493677U
Application number: CN202320640430.4U
Authority: CN
Inventors: 吴景瑞; 李学旺; 雷文斌; 张飞宇; 邹栋
Original assignee: Shenzhen Comen Medical Instruments Co Ltd
Current assignee: Shenzhen Comen Medical Instruments Co Ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-08-08
Anticipated expiration: 2033-03-22

Abstract

The utility model provides a rotary support arm which comprises a support arm mounting frame, a support arm main body, a stop component and a driving component. The support arm main body is rotationally connected with the support arm mounting frame, and the support arm main body is provided with a first stop part; the stop assembly is provided with a second stop part; the driving assembly comprises a driving part, and the driving part is used for driving the second stopping part so as to enable the second stopping part to be clamped with the first stopping part to prevent the support arm main body from rotating relative to the support arm mounting frame. According to the utility model, the rotary support arm is provided with the first stop part and the second stop part, so that when the first stop part and the second stop part are clamped, the support arm main body is locked with the support arm mounting frame, and the support arm main body and the support arm mounting frame can not rotate relatively, so that the problem that the rotary support arm has failure risk after the service time of the rotary support arm is prolonged or the material of the rotary support arm is aged and the like, and the rotary structure can not well fix the electronic equipment at a preset angle is solved.

Description

Rotary support arm and display

Technical Field

The utility model belongs to the technical field of rotating structures, and particularly relates to a rotating support arm and a display.

Background

Along with technological progress, electronic equipment industry is vigorous and developed, the application field of electronic equipment is more and more extensive, and the rotating structure of electronic equipment on the market at present mostly does not have locking function, and during the use, because rotating structure has after the live time for a long time, or the condition such as rotating structure material ageing back, rotating structure has the inefficacy risk to rotating structure can't be with fine fixing at a preset angle of electronic equipment.

Based on the above problems, the present utility model provides a rotary arm.

Disclosure of Invention

The utility model aims to provide a rotary support arm and a display, which aim to ensure that the rotary support arm can be locked with an electronic device connected with the rotary support arm after the use time is long or the rotary support arm is aged, for example, the rotary support arm is connected with a display screen, and the rotary support arm can be locked after a preset angle is reserved between the rotary support arm and the display screen, so that the display screen can be well fixed at the preset angle.

In order to solve the above technical problems, the present utility model is implemented by a rotary support arm, including:

a support arm mounting rack;

the support arm body is rotationally connected with the support arm mounting frame and is provided with a first stop part;

the stop assembly is provided with a second stop part;

the driving assembly comprises a driving part, and the driving part is used for driving the second stopping part so as to enable the second stopping part to be clamped with the first stopping part, so that the support arm main body and the support arm mounting frame are prevented from rotating relatively.

Further, the support arm mounting frame is provided with a first connecting lug and a second connecting lug, and the first connecting lug and the second connecting lug are respectively provided with a first through hole;

the support arm main body is provided with a second through hole, and the positions of the first through hole and the second through hole are corresponding;

the rotary support arm comprises a rotary shaft, and the rotary shaft penetrates through the first through hole and the second through hole.

Further, the rotating shaft is fixedly connected with the first connecting lug; and/or

The rotating shaft is fixedly connected with the second connecting lug.

Further, the first connecting lug and/or the second connecting lug are/is provided with a third through hole, and the axis of the third through hole is perpendicular to the axis of the first through hole;

the rotary shaft is provided with a fourth through hole, and the fourth through hole corresponds to the third through hole in position;

wherein, the third through hole with the fourth through hole passes through the fastener and links to each other.

Further, the stop assembly comprises a first elastic piece, the first elastic piece is sleeved on the rotating shaft, one end of the first elastic piece abuts against the first stop portion, and the other end of the first elastic piece abuts against the second stop portion.

Further, the first stopping portion is provided with a first gear, the second stopping portion is provided with a second gear, and the first gear and the second gear can be meshed to prevent the first stopping portion and the second stopping portion from rotating relatively.

Further, the stop assembly includes a transmission member disposed between the drive assembly and the second stop.

Further, the transmission part is arranged on one side of the first connecting lug, the second stop part is arranged on the other side of the first connecting lug, the transmission part is provided with a penetrating part, the first connecting lug is provided with a movable hole matched with the penetrating part, and the penetrating part is movably arranged in the movable hole so as to drive the second stop part;

the second stop part and the transmission part are sleeved on the rotating shaft and can move back and forth in the direction from the driving part to the support arm main body.

Further, one end of the rotating shaft penetrates through the first connecting lug and is rotationally connected with the driving part;

the driving part comprises a handle and a first protruding part which are connected, the handle can rotate around the rotating shaft, so that the first protruding part is abutted with the transmission part, and the transmission part is driven to be close to the support arm main body, so that the second stopping part is close to the support arm main body and is clamped with the first stopping part.

Further, the driving part is provided with an unlocking component, the unlocking component comprises a key, a second protruding part and a second elastic piece, the key is rotatably arranged on the first protruding part, one end of the second elastic piece is connected with one end of the key, the other end of the second elastic piece is connected with the handle, the second elastic piece is in a reset state, the second protruding part abuts against the rotating shaft to lock the driving part, at the moment, the driving part is fixed relative to the rotating shaft, and the first protruding part drives the transmission part to be close to the support arm main body.

Further, the unlocking component comprises a third protruding portion, the first protruding portion is provided with a limiting rod, the second protruding portion and the third protruding portion are arranged on two sides of the limiting rod, when the second protruding portion abuts against the rotating shaft, the third protruding portion abuts against the limiting rod, at the moment, the driving portion cannot rotate relative to the rotating shaft, when the key is pressed, the second elastic piece is compressed, the key rotates, the second protruding portion does not abut against the rotating shaft, and the driving portion can rotate relative to the rotating shaft.

In another aspect, the utility model also provides a display comprising a rotary arm according to any one of the above.

The utility model relates to a rotary support arm, which comprises a support arm mounting frame, a support arm main body, a stop component and a driving component. The support arm main body is rotationally connected with the support arm mounting frame, and the support arm main body is provided with a first stop part; the stop assembly is provided with a second stop part; the driving assembly comprises a driving part, and the driving part is used for driving the second stopping part so as to enable the second stopping part to be clamped with the first stopping part to prevent the support arm main body from rotating relative to the support arm mounting frame. According to the utility model, the rotary support arm is provided with the first stop part and the second stop part, so that when the first stop part and the second stop part are clamped, the support arm main body is locked with the support arm mounting frame, and the support arm main body and the support arm mounting frame can not rotate relatively, so that the problem that the rotary support arm has failure risk after the service time of the rotary support arm is prolonged or the material of the rotary support arm is aged and the like, and the rotary structure can not well fix the electronic equipment at a preset angle is solved.

Drawings

FIG. 1 is a schematic diagram illustrating an overall structure of a rotary arm according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram illustrating an assembly structure of a rotary arm according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 4 is a schematic diagram illustrating a structure of a main body of a support arm according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a second stop portion according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a transmission component in accordance with an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a display according to an embodiment of the utility model.

In the drawings, each reference numeral denotes: 1. a support arm mounting rack; 11. a first connection lug; 111. a movable hole; 12. a second connecting ear; 101. a first through hole; 2. a support arm body; 21. a first stopper; 211. a first gear; 201. a second through hole; 22. an adjusting member; 3. a stop assembly; 31. a second stopper; 311. a second gear; 32. a first elastic member; 33. a transmission member; 331. a penetrating and extending part; 4. a drive assembly; 41. a driving section; 42. a handle; 43. a first convex portion; 431. a limit rod; 44. unlocking the assembly; 441. a key; 442. a second convex portion; 443. a second elastic member; 444. a third convex portion; 5. a rotation shaft; 501. a fastener; 100. rotating the support arm; 200. a display.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

FIG. 1 is a schematic diagram showing the overall structure of a rotary arm according to an embodiment of the present utility model; FIG. 2 is a schematic diagram showing an assembly structure of a rotary arm according to an embodiment of the present utility model; as shown in fig. 3, is a cross-sectional view taken along line A-A of fig. 1. As can be seen from fig. 1-3, the swivel arm 100 comprises an arm mount 1, an arm body 2, a stop assembly 3 and a drive assembly 4. The rotary arm 100 may be applied to an electronic device for adjusting an angular position of the electronic device. By way of example, the electronic device may be a television, a computer, a display of a medical device, etc.

One end of the support arm mounting frame 1 is used for being connected with the electronic equipment, the other end of the support arm mounting frame is used for being connected with the support arm main body 2 in a rotating mode, the support arm mounting frame 1 and the support arm main body 2 rotate relatively, and the angle position of the electronic equipment can be adjusted. As shown in fig. 4, the arm body 2 is rotatably connected to the arm mount 1, and the arm body 2 is provided with a first stopper 21. The stop assembly 3 is provided with a second stop part 31, the first stop part 21 and the second stop part 31 are matched, and the first stop part 21 and the second stop part 31 can be clamped, so that the first stop part 21 and the second stop part 31 can not rotate relatively, and the first stop part 21 and the second stop part 31 are cylindrical, and when the first stop part 21 and the second stop part 31 are clamped, the first stop part 21 and the second stop part 31 can not rotate around the axes of the first stop part and the second stop part 31, so that the aim of locking the support arm main body 2 is achieved. The driving assembly 4 includes a driving portion 41, and the driving portion 41 is used for driving the second stopping portion 31 to make the second stopping portion 31 and the first stopping portion 21 engage, so as to prevent the arm main body 2 from rotating relative to the arm mounting frame 1. Because the rotary support arm 100 is provided with the first stop part 21 and the second stop part 31, when the first stop part 21 and the second stop part 31 are clamped, the support arm main body 2 and the support arm mounting frame 1 are locked, and then the support arm main body 2 and the support arm mounting frame can not rotate relatively, so that the problem that the rotary support arm 100 is at failure risk after the use time of the rotary support arm 100 is long or after the material of the rotary support arm 100 is aged and the like is solved, and the electronic equipment cannot be well fixed at a preset angle by the rotary structure is solved.

In an embodiment, referring again to fig. 2, the arm mount 1 is provided with a first connection lug 11 and a second connection lug 12, and the first connection lug 11 and the second connection lug 12 are each provided with a first through hole 101. The arm body 2 is provided with a second through hole 201, and the positions of the first through hole 101 and the second through hole 201 correspond. The rotary arm 100 includes a rotary shaft 5, and the rotary shaft 5 is inserted into the first through hole 101 and the second through hole 201. The arm body 2 is rotatably connected with the arm mount 1 via a rotation shaft 5, i.e. the arm body 2 rotates around the rotation shaft 5.

Illustratively, an anti-slip member (not shown) is disposed in the second through hole 201 of the arm body 2, and the anti-slip member is at least one of silica gel, rubber and plastic. The anti-slip member is tightly attached to the hole wall of the second through hole 201 and is located between the hole wall of the second through hole 201 and the peripheral side of the rotating shaft 5, and the anti-slip member is in interference fit between the hole wall of the second through hole 201 and the peripheral side of the rotating shaft 5, so that when the support arm main body 2 rotates around the rotating shaft 5, friction force exists, and therefore when the first stop part 21 and the second stop part 31 are not clamped, the support arm main body 2 is fixed relative to the rotating shaft 5, and a user is required to drive the support arm main body 2 to rotate around the rotating shaft 5 by using a certain force.

To prevent the rotation shaft 5 from rotating relative to the arm mount 1, in one embodiment, the rotation shaft 5 is fixedly connected to the first connecting lug 11; and/or the rotation shaft 5 is fixedly connected with the second connecting lug 12. When the arm body 2 rotates around the rotation axis 5, the rotation axis 5 and the arm mounting frame 1 are relatively fixed, and the rotation angle of the arm body 2 around the rotation axis 5 is the rotation angle of the rotation arm 100 for adjusting the electronic device.

In an embodiment, the first connection lug 11 and/or the second connection lug 12 are provided with a third through hole (not identified in the figures), the axis of which is perpendicular to the axis of the first through hole 101. The rotary shaft 5 is provided with a fourth through hole (not shown in the figure), and the fourth through hole corresponds to the third through hole in position, wherein the third through hole is connected with the fourth through hole through a fastener 501, so that the rotary shaft 5 is fixedly connected with the first connecting lug 11; and/or for the purpose of fixedly connecting the rotation shaft 5 with the second connecting lug 12. The fastener 501 may be a screw, a stud, a bolt, or the like.

In an embodiment, the stop assembly 3 includes a first elastic member 32, where the first elastic member 32 is sleeved on the rotating shaft 5, and one end of the first elastic member abuts against the first stop portion 21, and the other end of the first elastic member abuts against the second stop portion 31. The driving portion 41 drives the second stopper portion 31, and the second stopper portion 31 gradually approaches the first stopper portion 21 until the second stopper portion 31 and the first stopper portion 21 are engaged, at which time the first elastic member 32 between the first stopper portion 21 and the second stopper portion 31 is compressed. When the driving part 41 releases the second stopper 31, the first elastic member 32 is reset to expand and contract to separate the first stopper 21 and the second stopper 31, and at this time, the arm body 2 is rotatable with respect to the arm mount 1. Illustratively, the first resilient member 32 is a spring.

In order to achieve a better engagement between the second stop portion 31 and the first stop portion 21 and a better engagement effect, as shown in fig. 4, the first stop portion 21 is provided with a first gear 211, and as shown in fig. 5, the second stop portion 31 is provided with a second gear 311, and the first gear 211 and the second gear 311 can be engaged to prevent the first stop portion 21 and the second stop portion 31 from rotating relative to each other. Illustratively, the first stopper 21 is provided with a circular groove, the inner wall of the circular groove is provided with a first gear 211, the outer circumference of the second stopper 31 is provided with a second gear 311, and the circular groove size of the first stopper 21 is adapted to the outer circumference size of the second stopper 31, so that the second stopper 31 can be disposed in the circular groove, and the first gear 211 and the second gear 311 are engaged. Alternatively, the second stopper 31 is provided with a circular groove, the inner wall of the circular groove is provided with the second gear 311, the outer circumference of the first stopper 21 is provided with the first gear 211, and the circular groove size of the second stopper 31 is adapted to the outer circumference size of the first stopper 21, so that the first stopper 21 can be disposed in the circular groove, and the first gear 211 and the second gear 311 are engaged.

In an embodiment, the stop assembly 3 includes a transmission member 33, the transmission member 33 is disposed between the driving assembly 4 and the second stop portion 31, the transmission member 33 is used for transmission, the driving portion 41 drives the transmission member 33, and the transmission member 33 drives the second stop portion 31 to approach the first stop portion 21 under the driving of the driving portion 41.

The transmission member 33 is disposed on one side of the first connecting lug 11, the second stopping portion 31 is disposed on the other side of the first connecting lug 11, and as shown in fig. 6, the transmission member 33 is provided with a penetrating portion 331, the first connecting lug 11 is provided with a movable hole 111 adapted to the penetrating portion 331, and the penetrating portion 331 is movably disposed in the movable hole 111 to drive the second stopping portion 31. The second stopping portion 31 and the transmission member 33 are both sleeved on the rotating shaft 5, and can both move back and forth in the direction from the driving portion 41 to the arm main body 2. That is, the second stop portion 31 and the transmission member 33 are both movable back and forth on the rotation shaft 5, and the rotation shaft 5 plays a role in limiting the second stop portion 31 and the transmission member 33.

In one embodiment, one end of the rotation shaft 5 passes through the first connection lug 11 and is rotatably connected with the driving part 41. The driving part 41 includes a handle 42 and a first protrusion 43 connected to each other. The handle 42 is rotatable about the rotation axis 5 so that the first protrusion 43 abuts the transmission member 33 and drives the transmission member 33 to approach the arm body 2 so that the second stopper 31 engages with the first stopper 21 to approach the arm body 2. When the handle 42 rotates, the first protrusion 43 is rotated, so that the first protrusion 43 has two positions, one position is where the first protrusion 43 is in contact with the transmission member 33 and one position is where the first protrusion 43 is not in contact with the transmission member 33. When the first protrusion 43 abuts against the transmission member 33, the first protrusion 43 pushes the transmission member 33 to approach the arm body 2, thereby driving the second stopper 31 to approach the first stopper 21, and engaging the second stopper 31 with the first stopper 21 to lock the arm body 2, preventing the arm body 2 from rotating about the rotation shaft 5.

The driving portion 41 is provided with an unlocking assembly 44, the unlocking assembly 44 includes a key 441 rotatably disposed on the first protruding portion 43, a second protruding portion 442, and a second elastic member 443, one end of the second elastic member 443 is connected to one end of the key 441, the other end of the second elastic member 443 is connected to the handle 42, the second protruding portion 442 abuts against the rotating shaft 5 in the reset state of the second elastic member 443 to lock the driving portion 41, at this time, the driving portion 41 is fixed relative to the rotating shaft 5, and the first protruding portion 43 drives the transmission member 33 to approach the arm body 2. That is, when the driving portion 41 is required to be locked and the first stopper portion 21 and the second stopper portion 31 are engaged, after the driving portion 41 is rotated to bring the first protrusion 43 into contact with the transmission member, the key 441 is released, the second elastic member 443 is reset, and the second protrusion 442 contacts the rotation shaft 5 to lock the driving portion 41, thereby preventing the driving portion 41 from rotating.

The unlocking assembly 44 includes a third protrusion 444, the first protrusion 43 is provided with a stop lever 431, the second protrusion 442 and the third protrusion 444 are disposed on two sides of the stop lever 431, when the second protrusion 442 abuts against the rotation shaft 5, the third protrusion 444 abuts against the stop lever 431, and at this time, the driving portion 41 is not rotatable relative to the rotation shaft 5, when the key 441 is pressed, the second elastic member 443 is compressed, the key 441 is rotated, the second protrusion 442 does not abut against the rotation shaft 5, and the driving portion 41 is rotatable relative to the rotation shaft 5.

Illustratively, the arm body 2 is provided with a connecting portion (not identified in the figures) provided with a mounting cavity (not identified in the figures), and the connecting portion is circular, and the connecting portion is provided with a notch, which is an unsealed circular shape, and the adjusting member 22. The first stopping portion 21 is disposed at one end of the mounting cavity, the rotation shaft 5 passes through the mounting cavity, through holes (not labeled in the figure) are disposed above and below the connecting portion, and the adjusting member 22 is one of a screw, a bolt or a stud. The adjusting piece 22 is arranged in the two through holes above and below the connecting part in a penetrating way and is connected with the two through hole thread structures, and the adjusting piece 22 is rotated to enable the relative distance above and below the connecting part to be arranged, so that the friction force between the support arm main body 2 and the rotating shaft 5 is changed. The relative distance between the upper part and the lower part of the connecting part is small, the friction force between the support arm main body 2 and the rotating shaft 5 is large, and the support arm main body 2 is not easy to rotate around the rotating shaft 5.

The present utility model further provides a display 200, as shown in fig. 7, where the display 200 includes the rotating arm 100 according to any one of the above descriptions, and the structure and the beneficial effects of the rotating arm 100 are described above, and are not described herein again. The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A rotary support arm, comprising:

a support arm mounting rack;

the stop assembly is provided with a second stop part;

2. The rotary support arm according to claim 1, wherein the support arm mounting frame is provided with a first connecting lug and a second connecting lug, and the first connecting lug and the second connecting lug are respectively provided with a first through hole;

3. The rotary arm according to claim 2, wherein the rotary shaft is fixedly connected to the first connecting lug; and/or

The rotating shaft is fixedly connected with the second connecting lug.

4. A swivel arm according to claim 3, wherein the first and/or the second attachment lug is provided with a third through hole, the axis of which is perpendicular to the axis of the first through hole;

5. The rotary arm of claim 2, wherein the stop assembly comprises a first elastic member sleeved on the rotary shaft, and having one end abutting the first stop portion and the other end abutting the second stop portion.

6. The rotary arm of claim 5, wherein the first stop is provided with a first gear and the second stop is provided with a second gear, the first gear and the second gear being engageable to prevent relative rotation of the first stop and the second stop.

7. The rotary arm of claim 5, wherein the stop assembly comprises a transmission member disposed between the drive assembly and the second stop.

8. The rotary support arm according to claim 7, wherein the transmission member is disposed on one side of the first connecting lug, the second stopping portion is disposed on the other side of the first connecting lug, the transmission member is provided with a penetrating portion, the first connecting lug is provided with a movable hole adapted to the penetrating portion, and the penetrating portion is movably disposed in the movable hole to drive the second stopping portion;

9. The rotary arm according to claim 7, wherein one end of the rotary shaft passes through the first connecting lug and is rotatably connected with the driving part;

10. The rotary support arm according to claim 9, wherein the driving portion is provided with an unlocking assembly, the unlocking assembly comprises a key, a second protrusion and a second elastic member rotatably arranged on the first protrusion, one end of the second elastic member is connected with one end of the key, the other end of the second elastic member is connected with the handle, the second protrusion abuts against the rotating shaft in a reset state to lock the driving portion, at this time, the driving portion is fixed relative to the rotating shaft, and the first protrusion drives the transmission member to be close to the support arm main body.

11. The rotary arm according to claim 10, wherein the unlocking assembly comprises a third protrusion, the first protrusion is provided with a limit lever, the second protrusion and the third protrusion are provided on both sides of the limit lever, and when the second protrusion abuts against the rotary shaft, the third protrusion abuts against the limit lever, and at this time, the driving part cannot rotate relative to the rotary shaft; when the key is pressed, the second elastic piece is compressed, the key rotates, the second convex part is not abutted against the rotating shaft, and the driving part can rotate relative to the rotating shaft.

12. A display comprising a swivel arm according to any one of claims 1-11.