CN220249455U - Torsional spring torsion adjusting mechanism of support - Google Patents
Torsional spring torsion adjusting mechanism of support Download PDFInfo
- Publication number
- CN220249455U CN220249455U CN202321847287.2U CN202321847287U CN220249455U CN 220249455 U CN220249455 U CN 220249455U CN 202321847287 U CN202321847287 U CN 202321847287U CN 220249455 U CN220249455 U CN 220249455U
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- torsion
- pushing
- adjusting screw
- torsion spring
- connecting seat
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- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 238000004891 communication Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses a torsion adjusting mechanism of a torsional spring of a bracket, which comprises a connecting seat and a mounting frame, wherein the mounting frame is rotationally connected with the connecting seat through a connecting shaft, a torsional spring is sleeved outside the connecting shaft, a first torsion arm of the torsional spring is connected with the mounting frame, a torsion spring adjusting component is arranged on the connecting seat and comprises a rotating piece and an adjusting screw, the rotating piece is rotationally connected with the connecting seat, the axis of the rotating piece is parallel to the axis of the connecting shaft, the adjusting screw is in threaded connection with the connecting seat, the axis of the adjusting screw is horizontally vertical to the axis of the rotating piece, a first pushing groove and a second pushing groove are arranged on the outer side wall of the rotating piece, which is close to one side of the torsional spring, one end of the adjusting screw is in butt joint with the first pushing groove, and a second torsion arm of the torsional spring is in butt joint with the second pushing groove.
Description
Technical Field
The utility model relates to the technical field of brackets, in particular to a torsion spring torsion adjusting mechanism of a bracket.
Background
The support is a part for fixing and supporting products, is commonly used on products such as a display, a mobile phone, a fan, a desk and a chair, is divided into a fixed support and a movable support, and the movable support mainly comprises a connecting seat, a mounting frame, a connecting shaft and a torsion spring.
Disclosure of Invention
The utility model aims at the defects in the prior art and provides a torsion spring torsion adjusting mechanism of a bracket, which can simplify the structure of a torsion spring adjusting device, is easy to adjust and is convenient to operate.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the torsion adjusting mechanism comprises a connecting seat and an installation frame, wherein the installation frame is rotationally connected with the connecting seat through a connecting shaft, a torsion spring is sleeved on the outer side of the connecting shaft, a first torsion arm of the torsion spring is connected with the installation frame, a torsion spring adjusting component is arranged on the connecting seat and comprises a rotating piece and an adjusting screw, the rotating piece is rotationally connected with the connecting seat, the axis of the rotating piece is parallel to the axis of the connecting shaft, the adjusting screw is in threaded connection with the connecting seat, the axis of the adjusting screw is horizontally vertical to the axis of the rotating piece, a first pushing groove and a second pushing groove are formed in the outer side wall of the rotating piece, one end of the adjusting screw is in butt joint with the first pushing groove, and a second torsion arm of the torsion spring is in butt joint with the second pushing groove, and the adjusting screw stretches and contracts to enable the rotating piece to tighten or loosen the second torsion arm. Through setting up the torsional spring adjusting part that comprises rotating part and adjusting screw, the rotating part rotates with the connecting seat to be connected, the axis of rotating part is parallel with the axis of connecting axle, adjusting screw and connecting seat threaded connection, and adjusting screw's axis is horizontal perpendicular with the axis of rotating part, the lateral wall of rotating part is equipped with first push away groove and second push away the groove, adjusting screw's one end and first push away groove butt, torsion spring's second torsion arm and second push away the groove butt, during the regulation, forward rotation adjusting screw makes adjusting screw stretch out towards the rotating part direction and push away the rotating part clockwise rotation, the second pushes away the groove and pushes away second torsion arm and rotate downwards and make the second torsion arm tighten up, reverse rotation adjusting screw makes adjusting screw withdraw, the second torsion arm upwards rotates and loosens, thereby reach the mesh of adjusting torsion spring, adopt the rotating part to add adjusting screw's mode, torsion spring adjusting part's structure is simplified, easy to adjust, convenient operation.
As a preferable scheme, a first pushing surface is arranged in the first pushing groove, a second pushing surface is arranged in the second pushing groove, one end of the adjusting screw rod is abutted against the first pushing surface, and the second torsion arm of the torsion spring is abutted against the second pushing surface.
As a preferable scheme, the first pushing surface is a plane, one end of the adjusting screw is provided with a first arc-shaped surface, and the first arc-shaped surface is in abutting connection with the first pushing surface.
As a preferable scheme, the second pushing surface is a plane, and one end of the second pushing surface, which is close to the second torsion arm, is provided with a second arc-shaped surface protruding towards the torsion spring direction.
As a preferable scheme, the included angle between the first pushing surface and the second pushing surface is an obtuse angle.
As a preferable scheme, the first pushing groove is communicated with the second pushing groove.
As a preferable scheme, the lower end of the connecting seat is provided with a threaded hole extending obliquely, the threaded hole extends from bottom to top towards the direction close to the rotating piece, and the adjusting screw is arranged in the threaded hole.
As a preferable scheme, the rotating member is a cam, the cam is provided with an arc part and a protruding part, the first pushing groove is arranged on the arc part, and the second pushing groove is arranged on the protruding part.
As a preferable scheme, the connecting seat is internally provided with a containing groove, the cam is rotationally arranged in the containing groove, and the maximum diameter of the cam is larger than the height of the containing groove.
As a preferable scheme, the left and right sides of the connecting seat are respectively provided with a connecting arm, two ends of the connecting shaft are respectively connected with the corresponding connecting arms in a rotating way, and the accommodating groove is arranged between the two connecting arms.
Compared with the prior art, the torsion spring adjusting mechanism has the obvious advantages and beneficial effects that the torsion spring adjusting assembly formed by the rotating piece and the adjusting screw rod is arranged, the rotating piece is rotationally connected with the connecting seat, the axis of the rotating piece is parallel to the axis of the connecting shaft, the adjusting screw rod is in threaded connection with the connecting seat, the axis of the adjusting screw rod is horizontally vertical to the axis of the rotating piece, the outer side wall of the rotating piece is provided with the first pushing groove and the second pushing groove, one end of the adjusting screw rod is abutted with the first pushing groove, the second torsion arm of the torsion spring is abutted with the second pushing groove, during adjustment, the adjusting screw rod extends towards the direction of the rotating piece and pushes the rotating piece to rotate clockwise, the second pushing groove pushes the second torsion arm to rotate downwards to tighten the second torsion arm, the adjusting screw rod is reversely rotated to retract, the second torsion arm is rotated upwards to be loosened, and therefore torsion force of the torsion spring is adjusted.
For a clearer description of the structural features, technical means, and specific objects and functions achieved by the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments:
drawings
FIG. 1 is a schematic diagram of an assembled structure of an embodiment of the present utility model;
FIG. 2 is an exploded view of an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 4 is a schematic diagram of an adjustment state according to an embodiment of the present utility model.
The attached drawings are used for identifying and describing:
10-connecting seat 101-connecting arm 102-accommodating groove
103-threaded hole 11-mounting frame 12-connecting shaft
13-torsion spring 131-first torsion arm 132-second torsion arm
20-torsion spring adjusting component 21-rotating piece 22-adjusting screw
221-first arcuate surface 23-first thrust slot 231-first thrust surface
24-second pushing groove 241-second pushing surface 242-second arc surface
25-arc 26-projection
Detailed Description
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be configured and operated in specific directions, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
For convenience of description and understanding, in fig. 3, F indicates a forward direction, H indicates a backward direction, S indicates an upward direction, and X indicates a downward direction.
As shown in fig. 1-4, the utility model discloses a torsion adjusting mechanism of a torsion spring 13 of a bracket, which comprises a connecting seat 10 and a mounting frame 11, wherein the mounting frame 11 can be used in various scenes needing to be turned over and supported, such as a display, a mobile phone, a fan, a desk and chair, and the like, the mounting frame 11 is rotationally connected with the connecting seat 10 through a connecting shaft 12, the torsion spring 13 is sleeved on the outer side of the connecting shaft 12, a first torsion arm 131 of the torsion spring 13 is connected with the mounting frame 11, and a torsion spring adjusting component 20 is arranged on the connecting seat 10.
The torsion spring adjusting assembly 20 comprises a rotating member 21 and an adjusting screw 22, the rotating member 21 is rotationally connected with the connecting seat 10, the axis of the rotating member 21 is parallel to the axis of the connecting shaft 12, the adjusting screw 22 is in threaded connection with the connecting seat 10, the axis of the adjusting screw 22 is horizontally perpendicular to the axis of the rotating member 21, a first pushing groove 23 and a second pushing groove 24 are formed in the outer side wall of the rotating member 21, one end of the adjusting screw 22 is abutted to the first pushing groove 23, the second torsion arm 132 of the torsion spring 13 is abutted to the second pushing groove 24, and the adjusting screw 22 stretches and contracts to enable the rotating member 21 to tighten or loosen the second torsion arm 132.
A first pushing surface 231 is disposed in the first pushing groove 23, a second pushing surface 241 is disposed in the second pushing groove 24, one end of the adjusting screw 22 is abutted against the first pushing surface 231, and the second torsion arm 132 of the torsion spring 13 is abutted against the second pushing surface 241; by providing the first pushing surface 231 and the second pushing surface 241, one end of the adjusting screw 22 is abutted against the first pushing surface 231, the second torsion arm 132 of the torsion spring 13 is abutted against the second pushing surface 241, and the contact stability of the rotating member 21 and the adjusting screw 22 and the second torsion arm 132 can be improved by adopting a surface contact mode.
The first pushing surface 231 is a plane, a first arc surface 221 is disposed at one end of the adjusting screw 22, and the first arc surface 221 is abutted against the first pushing surface 231; by setting the first pushing surface 231 as a plane, one end of the adjusting screw 22 is provided with the first arc surface 221, and the first pushing surface 231 rolls relative to the first arc surface 221 in the rotation process of the rotating member 21, so that the rotating member 21 and the adjusting screw 22 always keep stable contact, and the adjusting stability is improved.
The second pushing surface 241 is a plane, and a second arc surface 242 protruding toward the torsion spring 13 is provided at one end of the second pushing surface 241 near the second torsion arm 132; through setting up second arcwall face 242, at rotating member 21 downwardly turned in-process, second thrust face 241 and second torsion arm 132 butt transition to second arcwall face 242 and second torsion arm 132 butt for rotating member 21 and second torsion arm 132 can keep stable contact, improve and adjust stability.
The included angle θ between the first pushing surface 231 and the second pushing surface 241 is an obtuse angle, specifically, the included angle between the first pushing surface 231 and the second pushing surface 241 is 100-150 degrees, and the included angle is preferably 132 degrees; by setting the included angle θ between the first pushing surface 231 and the second pushing surface 241 to be an obtuse angle, when the adjusting screw 22 pushes the rotating member 21 to rotate the rotating member 21 downward, the second torsion arm 132 has enough space to rotate downward, so that the second torsion arm 132 is prevented from colliding with the adjusting screw 22.
The first pushing groove 23 is communicated with the second pushing groove 24; by arranging the first pushing groove 23 and the second pushing groove 24 which are communicated with each other, when the rotating piece 21 rotates, the adjusting screw 22 and the second torsion arm 132 have more movable spaces, so that the torsion adjusting range is larger; at the same time, the larger space also facilitates the knife to have more active space, thereby facilitating the processing of the first pushing groove 23 and the second pushing.
The lower end of the connecting seat 10 is provided with a threaded hole 103 extending obliquely, the threaded hole 103 extends from bottom to top towards the direction approaching the rotating piece 21, and the adjusting screw 22 is arranged in the threaded hole 103; by adopting the inclined threaded hole 103, when the adjusting screw 22 is mounted to the threaded hole 103, the height of the adjusting screw 22 protruding out of the lower end of the connecting seat 10 can be reduced, so that the overall height of the connecting seat 10 is lower, and the structure is more compact.
The rotating member 21 is a cam, the cam has an arc portion 25 and a protruding portion 26, the first pushing groove 23 is disposed on the arc portion 25, and the second pushing groove 24 is disposed on the protruding portion 26; by adopting a cam as the rotary member 21, the cam has an arc portion 25 and a convex portion 26, the first pushing groove 23 is provided on the arc portion 25, and the second pushing groove 24 is provided on the convex portion 26, and since the volume of the arc portion 25 is larger than that of the convex portion 26, the center of gravity of the rotary member 21 is biased toward the arc portion 25, so that the rotary member 21 is more stable during rotation.
The connecting seat 10 is internally provided with a containing groove 102, the cam is rotationally arranged in the containing groove 102, and the maximum diameter d of the cam is larger than the height h of the containing groove 102; by setting the maximum diameter d of the cam to be larger than the height h of the accommodating groove 102, the protrusion 26 is prevented from being rotated counterclockwise from the front side to the rear side, thereby preventing the second torsion arm 132 from being separated from the second pushing groove 24, and reliability is good.
The left and right sides of connecting seat 10 all are equipped with linking arm 101, the both ends of connecting axle 12 respectively with corresponding linking arm 101 rotate to be connected, accommodation groove 102 locates between two linking arms 101.
The torsion adjusting method comprises the following steps: the adjusting screw 22 is rotated forward, so that the adjusting screw 22 extends inwards, a first arc-shaped surface 221 on the adjusting screw 22 backwards pushes against a first pushing surface 231, the rotating piece 21 drives the second pushing groove 24 to rotate clockwise downwards, the second pushing surface 241 pushes against the second torsion arm 132 to rotate downwards against the elastic force of the second torsion arm 132, the second torsion arm 132 tightens, and the torsion force of the torsion spring 13 increases; the adjusting screw 22 is reversely rotated, the adjusting screw 22 is retracted outwards, the second torsion arm 132 is pressed upwards against the second pushing surface 241, the rotating member 21 is rotated anticlockwise upwards, the second torsion arm 132 is loosened, and the torsion force of the torsion spring 13 is reduced.
In summary, according to the torsion spring adjusting assembly 20 formed by the rotating member 21 and the adjusting screw 22, the rotating member 21 is rotationally connected with the connecting seat 10, the axis of the rotating member 21 is parallel to the axis of the connecting shaft 12, the adjusting screw 22 is in threaded connection with the connecting seat 10, the axis of the adjusting screw 22 is horizontally perpendicular to the axis of the rotating member 21, the outer side wall of the rotating member 21 is provided with the first pushing groove 23 and the second pushing groove 24, one end of the adjusting screw 22 is abutted with the first pushing groove 23, the second torsion arm 132 of the torsion spring 13 is abutted with the second pushing groove 24, during adjustment, the adjusting screw 22 is rotated forward to enable the adjusting screw 22 to extend towards the direction of the rotating member 21 and push the rotating member 21 to rotate clockwise, the second pushing groove 24 pushes the second torsion arm 132 to rotate downwards to enable the second torsion arm 132 to be tightened, the adjusting screw 22 is rotated reversely to retract, and the second torsion arm 132 is rotated upwards to be released, so that the torsion force of the torsion spring 13 is adjusted, the structure of the torsion spring adjusting assembly 20 is simplified, and the adjustment operation is convenient.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, so any modifications, equivalents, improvements, etc. of the above embodiments according to the present utility model are still within the scope of the present utility model.
Claims (10)
1. The utility model provides a torsional spring torsion adjustment mechanism of support, includes connecting seat and mounting bracket, the mounting bracket passes through the connecting axle and rotates with the connecting seat and be connected, the outside cover of connecting axle is equipped with the torsional spring, the first torsion arm and the mounting bracket of torsional spring are connected, be equipped with torsional spring adjustment assembly on the connecting seat, its characterized in that:
the torsion spring adjusting component comprises a rotating piece and an adjusting screw, the rotating piece is rotationally connected with the connecting seat, the axis of the rotating piece is parallel to the axis of the connecting shaft, the adjusting screw is in threaded connection with the connecting seat, the axis of the adjusting screw is horizontally perpendicular to the axis of the rotating piece, a first pushing groove and a second pushing groove are formed in the outer side wall of the rotating piece, one end of the adjusting screw is abutted to the first pushing groove, a second torsion arm of the torsion spring is abutted to the second pushing groove, and the adjusting screw stretches and contracts to enable the rotating piece to tighten or loosen the second torsion arm.
2. The torsion adjusting mechanism of the torsion spring of the bracket according to claim 1, wherein a first pushing surface is arranged in the first pushing groove, a second pushing surface is arranged in the second pushing groove, one end of the adjusting screw rod is abutted against the first pushing surface, and the second torsion arm of the torsion spring is abutted against the second pushing surface.
3. The torsion spring torsion adjusting mechanism of claim 2, wherein the first pushing surface is a plane, and a first arc surface is disposed at one end of the adjusting screw, and the first arc surface abuts against the first pushing surface.
4. The torsion adjusting mechanism of the torsion spring of the bracket according to claim 2, wherein the second pushing surface is a plane, and one end of the second pushing surface, which is close to the second torsion arm, is provided with a second arc surface protruding towards the torsion spring direction.
5. The torsion spring adjusting mechanism of claim 2, wherein an included angle between the first abutment surface and the second abutment surface is an obtuse angle.
6. The torsion spring adjusting mechanism of claim 1, wherein the first and second push grooves are in communication.
7. The torsion adjusting mechanism of the torsion spring of the bracket according to claim 1, wherein the lower end of the connecting seat is provided with a threaded hole extending obliquely, the threaded hole extends from bottom to top toward a direction approaching the rotating member, and the adjusting screw is arranged in the threaded hole.
8. The torsion spring adjusting mechanism of any one of claims 1 to 7, wherein the rotating member is a cam having an arc portion and a projection portion, the first pushing groove is provided on the arc portion, and the second pushing groove is provided on the projection portion.
9. The torsion adjusting mechanism of the torsion spring of the bracket according to claim 8, wherein the connecting seat is provided with a containing groove, the cam is rotatably arranged in the containing groove, and the maximum diameter of the cam is larger than the height of the containing groove.
10. The torsion adjusting mechanism of the torsion spring of the bracket according to claim 9, wherein the left and right sides of the connecting seat are respectively provided with a connecting arm, two ends of the connecting shaft are respectively connected with the corresponding connecting arms in a rotating way, and the accommodating groove is arranged between the two connecting arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847287.2U CN220249455U (en) | 2023-07-13 | 2023-07-13 | Torsional spring torsion adjusting mechanism of support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847287.2U CN220249455U (en) | 2023-07-13 | 2023-07-13 | Torsional spring torsion adjusting mechanism of support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220249455U true CN220249455U (en) | 2023-12-26 |
Family
ID=89265183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321847287.2U Active CN220249455U (en) | 2023-07-13 | 2023-07-13 | Torsional spring torsion adjusting mechanism of support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220249455U (en) |
-
2023
- 2023-07-13 CN CN202321847287.2U patent/CN220249455U/en active Active
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