CN219912474U - Rotary support arm and electronic equipment - Google Patents
Rotary support arm and electronic equipment Download PDFInfo
- Publication number
- CN219912474U CN219912474U CN202320596691.0U CN202320596691U CN219912474U CN 219912474 U CN219912474 U CN 219912474U CN 202320596691 U CN202320596691 U CN 202320596691U CN 219912474 U CN219912474 U CN 219912474U
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- support arm
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- hole
- connecting part
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- 230000006978 adaptation Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model provides a rotary support arm and electronic equipment, wherein the electronic equipment comprises a rotary support arm, the rotary support arm comprises a first support arm, a second support arm and a fixed component, and the first support arm comprises a connecting part; the second support arm is provided with a connecting groove, an adjusting groove and a through hole, and the connecting groove is communicated with the adjusting groove through the through hole; the connecting part is rotatably connected with the connecting groove, and at least part of the connecting part penetrates through the through hole to extend into the adjusting groove. The fixing component is used for limiting the connecting part extending into the adjusting groove in the adjusting groove, so that the first support arm is prevented from moving in the direction from the connecting groove to the adjusting groove, and the problem that the relative positions of the first support arm and the second support arm in the axial direction change after the first support arm and the second support arm rotate is solved.
Description
Technical Field
The utility model belongs to the technical field of rotary connection structures, and particularly relates to a rotary support arm and electronic equipment.
Background
With technological progress, electronic devices are more and more in variety in market, and functional requirements of the electronic devices are more and more, however, some electronic devices need a rotary connection structure, so that when the electronic devices are used, an angle can be conveniently adjusted.
Disclosure of Invention
The utility model aims to provide a rotary support arm and electronic equipment, and aims to solve the problem that after the first support arm and the second support arm rotate, the relative positions of the first support arm and the second support arm in the axial direction change.
In order to solve the above technical problems, the present utility model is implemented by a rotary support arm, including:
a first support arm including a connecting portion;
the second support arm is provided with a connecting groove, an adjusting groove and a through hole, and the connecting groove is communicated with the adjusting groove through the through hole; the connecting part is rotatably connected with the connecting groove, and at least part of the connecting part penetrates through the through hole to extend into the adjusting groove;
and the fixing assembly is used for limiting the connecting part extending into the adjusting groove in the adjusting groove so as to prevent the first support arm from moving in the direction from the connecting groove to the adjusting groove.
Further, the cross section of the connecting groove and the cross section of the adjusting groove are larger than the cross section of the through hole;
the connecting part comprises a first sub-connecting part and a second sub-connecting part, the first sub-connecting part is matched with the connecting groove, and the second sub-connecting part is matched with the through hole;
one end of the second sub-connecting part is connected with the first sub-connecting part, and the other end of the second sub-connecting part stretches into the adjusting groove to be connected with the fixing assembly.
Further, the fixed subassembly includes stopper and connecting piece, the stopper is equipped with the mounting hole, connecting piece one end passes the mounting hole with second sub-connecting portion links to each other, the connecting piece other end is equipped with screens portion, just screens portion butt is in the stopper deviates from the terminal surface of second sub-connecting portion.
Further, the fixing component comprises a gasket and an elastic sheet, and the gasket, the elastic sheet and the limiting block are sequentially arranged in the direction from the connecting groove to the adjusting groove.
Further, the gasket and the elastic sheet are made of metal.
Further, a first shaft sleeve is arranged between the first sub-connecting part and the groove wall of the connecting groove, the first shaft sleeve is sleeved on the first sub-connecting part, the first shaft sleeve is provided with a first extending part, and the first extending part is arranged between the edge of the connecting groove and the first support arm.
Further, a ring groove is formed in the peripheral side of the first sub-connecting portion, an O-shaped ring is arranged in the ring groove, and the O-shaped ring is in interference fit with the first shaft sleeve.
Further, a second sleeve is arranged between the second sub-connecting portion and the hole wall of the through hole, at least part of the second sub-connecting portion is sleeved by the second sleeve, the second sleeve is provided with a second extending portion, and the second extending portion is arranged between the first sub-connecting portion and the bottom wall of the connecting groove.
Further, a rotating groove and an angle clamping block are formed in one end, close to the second sub-connecting part, of the first sub-connecting part;
the diapire of spread groove is equipped with the screens piece, the screens piece with rotatory groove looks adaptation, and when first support arm with the second support arm rotates to predetermineeing the angle relatively, the angle screens piece be used for with screens piece butt prevents first support arm with the second support arm continues relative rotation.
The utility model also provides electronic equipment comprising the rotary support arm and a display screen, wherein the display screen is connected with the rotary support arm.
The utility model relates to a rotary support arm, which comprises a first support arm, a second support arm and a fixing component, wherein the first support arm comprises a connecting part; the second support arm is provided with a connecting groove, an adjusting groove and a through hole, and the connecting groove is communicated with the adjusting groove through the through hole; the connecting part is rotatably connected with the connecting groove, and at least part of the connecting part penetrates through the through hole to extend into the adjusting groove. The fixing component is used for limiting the connecting part extending into the adjusting groove in the adjusting groove, so that the first support arm is prevented from moving in the direction from the connecting groove to the adjusting groove, and the problem that the relative positions of the first support arm and the second support arm in the axial direction change after the first support arm and the second support arm rotate 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 first arm according to an embodiment of the utility model;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the utility model.
In the drawings, each reference numeral denotes: 1. a first arm; 11. a connection part; 111. a first sub-connection part; 1111. a ring groove; 1112. an O-ring; 1113. a rotary groove; 1114. an angle clamping block; 112. a second sub-connection part; 2. a second arm; 21. a connecting groove; 211. a clamping piece; 22. an adjustment tank; 23. a through hole; 3. a fixing assembly; 31. a limiting block; 32. a connecting piece; 321. a clamping part; 34. a gasket; 35. a spring plate; 4. a first sleeve; 41. a first extension; 5. a second sleeve; 51. a second extension. 100. Rotating the support arm; 200. and a display screen.
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.
Referring to FIG. 1, a schematic diagram of an overall structure of a rotary arm 100 according to an embodiment of the present utility model is shown; referring to FIG. 2, a schematic diagram of an assembly structure of a rotary arm 100 according to an embodiment of the present utility model is shown; as shown in fig. 3, which is a cross-sectional view taken along line A-A of fig. 1. As can be seen from fig. 1-3, the rotary arm 100 comprises a first arm 1, a second arm 2 and a fixed assembly 3, and the rotary arm 100 can be applied to electronic devices, such as mobile phones, computers, televisions, medical devices, and the like.
As shown in fig. 2, 3 and 4, the first arm 1 includes a connection portion 11, and the connection portion 11 is used for rotationally connecting with the second arm 2. The second support arm 2 is provided with a connecting groove 21, an adjusting groove 22 and a through hole 23, and the connecting groove 21 is communicated with the adjusting groove 22 through the through hole 23. The connecting portion 11 is rotatably connected with the connecting slot 21, and at least part of the connecting portion 11 passes through the through hole 23 to extend into the adjusting slot 22, so that part of the connecting portion 11 is limited in the adjusting slot 22, and when the first support arm 1 and the second support arm 2 rotate relatively, the positions of the first support arm 1 and the second support arm 2 are only the change of the rotation angle. No change in the relative position of the first arm 1 and the second arm 2 is found in the direction of the connecting slot 21 to the adjustment slot 22, i.e. in the axial direction. The fixing component 3 is used for limiting the connecting part 11 extending into the adjusting groove 22 in the adjusting groove 22 so as to prevent the first support arm 1 from moving in the direction from the connecting groove 21 to the adjusting groove 22, so as to solve the problem that after the first support arm 1 and the second support arm 2 rotate, the relative positions of the first support arm 1 and the second support arm 2 in the axial direction change.
In an embodiment, the cross section of the connecting slot 21 and the cross section of the adjustment slot 22 are both larger than the cross section of the through hole 23; the connection portion 11 includes a first sub-connection portion 111 and a second sub-connection portion 112, the first sub-connection portion 111 being adapted to the connection groove 21, and the second sub-connection portion 112 being adapted to the through hole 23. Wherein, one end of the second sub-connecting part 112 is connected with the first sub-connecting part 111, and the other end extends into the adjusting groove 22 to be connected with the fixing assembly 3. When the cross section of the connecting groove 21 is larger than the cross section of the through hole 23, the cross section of the first sub-connecting portion 111 is larger than the cross section of the through hole 23, and the first sub-connecting portion 111 abuts against the outer side of one end of the through hole 23, and the first sub-connecting portion 111 cannot move toward the adjusting groove 22. Similarly, when the cross section of the adjustment groove 22 is larger than the cross section of the through hole 23, the cross section of the fixing member 3 is designed to be larger than the cross section of the through hole 23, and the fixing member 3 abuts on the outer side of the other end of the through hole 23, thereby preventing the relative position in the axial direction from being changed when the first arm 1 and the second arm 2 are relatively rotated.
In an embodiment, the fixing assembly 3 includes a limiting block 31 and a connecting piece 32, the limiting block 31 is provided with a mounting hole (not shown in the figure), one end of the connecting piece 32 is connected with the second sub-connecting portion 112 through the mounting hole, the other end of the connecting piece 32 is provided with a clamping portion 321, and the clamping portion 321 is abutted against an end surface of the limiting block 31, which is away from the second sub-connecting portion 112. When the first support arm 1 rotates relative to the second support arm 2, the second sub-connecting portion 112 rotates in the through hole 23, meanwhile, the connecting piece 32 rotates in the mounting hole, the clamping portion 321 of the connecting piece 32 abuts against the end face of the limiting block 31, so that the limiting block 31 can be limited, and the second sub-connecting portion 112 can be prevented from moving towards the connecting groove 21, so that the first support arm 1 is limited in the axial direction.
Illustratively, the connector 32 is a fastener that is threadably coupled to the second sub-coupling portion 112. When the friction force of the rotation of the first support arm 1 and the second support arm 2 is required to be increased, the first support arm 1 is fixed, the fastener is screwed, the fastener enters the screw hole of the second sub-connecting portion 112 to be deeper, the limiting block 31 is tightly attached to the clamping portion 321, the first connecting portion 11 is tightly attached to the bottom wall of the connecting groove 21, and therefore the friction force of the rotation of the first support arm 1 and the second support arm 2 is increased, and the rotation of the first support arm 1 relative to the second support arm 2 requires more force of a user.
In an embodiment, the fixing component 3 includes a spacer 34 and a spring 35, and the spacer 34, the spring 35 and the stopper 31 are sequentially disposed in the direction from the connecting slot 21 to the adjusting slot 22. The number of the elastic pieces 35 is two, and the elastic pieces 35 are butterfly-shaped elastic pieces 35, so that the elastic pieces 35 are high in rigidity and high in buffering and vibration absorbing capacity.
In order to release static electricity generated by the rotating arm 100 when the rotating arm 100 is in use, the spacer 34 and the elastic piece 35 are made of metal. The first support arm 1 and the second support arm 2 are in contact with the butterfly spring plate 35 through the metal gasket 34, and the whole rotary support arm 100 is in a metal conduction state, so that the rotary support arm 100 can meet the use scene of a product with an ESD requirement. For example, when rotating arm 100 is coupled to display screen 200, ESD requirements are placed on rotating arm 100.
In an embodiment, a first shaft sleeve 4 is disposed between the first sub-connecting portion 111 and the wall of the connecting slot 21, the first shaft sleeve 4 is sleeved on the first sub-connecting portion 111, and the first shaft sleeve 4 is provided with a first extension portion 41, and the first extension portion 41 is disposed between the edge of the connecting slot 21 and the first arm 1. The first shaft sleeve 4 is at least one of a plastic part, a rubber part and a silica gel part, and can avoid the direct contact between the first sub-connecting part 111 and the groove wall of the connecting groove 21, so that the noise is low when the first sub-connecting part 111 rotates in the connecting groove 21, the first shaft sleeve 4 is wear-resistant, and the service life of the rotary support arm 100 can be prolonged.
In order to prevent the first support arm 1 and the second support arm 2 from swinging when rotating relatively, the circumferential side of the first sub-connecting part 111 is provided with a ring groove 1111, an O-ring 1112 is arranged in the ring groove 1111, and the O-ring 1112 is in interference fit with the first shaft sleeve 4.
Similarly, a second sleeve 5 is disposed between the second sub-connecting portion 112 and the wall of the through hole 23, the second sleeve 5 is sleeved on at least part of the second sub-connecting portion 112, the second sleeve 5 is provided with a second extending portion 51, and the second extending portion 51 is disposed between the first sub-connecting portion 111 and the bottom wall of the connecting slot 21. The second sleeve 5 is at least one of plastic, rubber or silica gel, so that the second sub-connecting part 112 can be prevented from being in direct contact with the wall of the through hole 23, and thus, when the second sub-connecting part 112 rotates in the through hole 23, the noise is low, the second sleeve 5 is wear-resistant, and the service life of the rotary support arm 100 can be prolonged.
In an embodiment, referring again to fig. 4, a rotating groove 1113 and an angle clamping block 1114 are formed at an end of the first sub-connecting portion 111 near the second sub-connecting portion 112. The bottom wall of the connecting groove 21 is provided with a clamping piece 211, the clamping piece 211 is matched with the rotating groove 1113, and when the first support arm 1 and the second support arm 2 relatively rotate to a preset angle, the angle clamping block 1114 is used for being abutted with the clamping piece 211, so that the first support arm 1 and the second support arm 2 are prevented from continuously relatively rotating. The rotatable angle of the first arm 1 and the second arm 2 is limited by the angle block 1114, the cross section of the first sub-link 111 is circular, and if the outside of the angle block 1114 occupies a larger duty ratio outside the first sub-link 111, the rotatable angle of the first arm 1 and the second arm 2 is smaller. Illustratively, the first arm 1 and the second arm 2 are rotatable by 270 °, and the outer side of the angle block 1114 occupies one quarter of the outer side of the first sub-link 111.
The present utility model also provides an electronic device, as shown in fig. 5, which includes the rotating arm 100 according to any one of the above, and a display 200, where the display 200 is connected to the rotating arm 100. The construction of the swivel arm 100 and its advantages are described in detail above and will not be described here.
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 (10)
1. A rotary support arm, comprising:
a first support arm including a connecting portion;
the second support arm is provided with a connecting groove, an adjusting groove and a through hole, and the connecting groove is communicated with the adjusting groove through the through hole; the connecting part is rotatably connected with the connecting groove, and at least part of the connecting part penetrates through the through hole to extend into the adjusting groove;
and the fixing assembly is used for limiting the connecting part extending into the adjusting groove in the adjusting groove so as to prevent the first support arm from moving in the direction from the connecting groove to the adjusting groove.
2. The rotary support arm according to claim 1, wherein the cross section of the connecting slot and the cross section of the adjustment slot are both larger than the cross section of the through hole;
the connecting part comprises a first sub-connecting part and a second sub-connecting part, the first sub-connecting part is matched with the connecting groove, and the second sub-connecting part is matched with the through hole;
one end of the second sub-connecting part is connected with the first sub-connecting part, and the other end of the second sub-connecting part stretches into the adjusting groove to be connected with the fixing assembly.
3. The rotary support arm according to claim 2, wherein the fixing component comprises a limiting block and a connecting piece, the limiting block is provided with a mounting hole, one end of the connecting piece penetrates through the mounting hole to be connected with the second sub-connecting portion, the other end of the connecting piece is provided with a clamping portion, and the clamping portion abuts against the end face, away from the second sub-connecting portion, of the limiting block.
4. The rotary support arm according to claim 3, wherein the fixing component comprises a gasket and a spring, and the gasket, the spring and the limiting block are sequentially arranged in the direction from the connecting groove to the adjusting groove.
5. The rotating arm of claim 4, wherein the shim and the spring plate are metallic.
6. The rotary support arm according to claim 2, wherein a first bushing is provided between the first sub-connecting portion and the wall of the connecting slot, the first bushing is sleeved on the first sub-connecting portion, and the first bushing is provided with a first extension portion, and the first extension portion is provided between the edge of the connecting slot and the first support arm.
7. The rotary support arm according to claim 6, wherein a ring groove is formed in the peripheral side of the first sub-connecting portion, an O-ring is arranged in the ring groove, and the O-ring is in interference fit with the first shaft sleeve.
8. The rotary support arm according to claim 2, wherein a second sleeve is provided between the second sub-connecting portion and the wall of the through hole, the second sleeve is sleeved on at least part of the second sub-connecting portion, and the second sleeve is provided with a second extension portion, and the second extension portion is disposed between the first sub-connecting portion and the bottom wall of the connecting slot.
9. The rotary support arm according to claim 2, wherein a rotary groove and an angle clamping block are formed at one end of the first sub-connecting portion, which is close to the second sub-connecting portion;
the diapire of spread groove is equipped with the screens piece, the screens piece with rotatory groove looks adaptation, and when first support arm with the second support arm rotates to predetermineeing the angle relatively, the angle screens piece be used for with screens piece butt prevents first support arm with the second support arm continues relative rotation.
10. An electronic device comprising a swivel arm according to any one of claims 1-9, and a display screen, said display screen being connected to said swivel arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320596691.0U CN219912474U (en) | 2023-03-22 | 2023-03-22 | Rotary support arm and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320596691.0U CN219912474U (en) | 2023-03-22 | 2023-03-22 | Rotary support arm and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219912474U true CN219912474U (en) | 2023-10-27 |
Family
ID=88424657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320596691.0U Active CN219912474U (en) | 2023-03-22 | 2023-03-22 | Rotary support arm and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219912474U (en) |
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2023
- 2023-03-22 CN CN202320596691.0U patent/CN219912474U/en active Active
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