CN217582868U - Torsional spring assembly and display screen support - Google Patents

Abstract

The utility model discloses a torsional spring subassembly and display screen support. This torsional spring subassembly includes first connecting piece, the second connecting piece, first torsional spring, the second torsional spring, axis of rotation and adjustment sheet, first connecting piece and second connecting piece realize rotating through the axis of rotation and connect, first torsional spring and second torsional spring are all established in the axis of rotation, the first torque arm and the first connecting piece of first torsional spring are spacing fixed, the second torque arm is spacing fixed with the second connecting piece, the third torque arm of second torsional spring is by spacing fixed, the adjustment sheet can move to the limit position with the spacing butt of the fourth torque arm of second torsional spring, so that this torsional spring subassembly can export a great torsion, and the adjustment sheet can move to the spacing position of removing with the fourth torque arm separation, so that this torsional spring subassembly can export a less torsion. This torsional spring subassembly only just can realize the adjustment to its torsional force of output through removing the regulating leaf, and not only easy operation, labour saving and time saving has just avoided thorough dismouting in-process mechanical damage's production.

Description

Torsional spring assembly and display screen support

Technical Field

The utility model relates to a screen supports technical field, especially relates to a torsional spring subassembly and display screen support.

Background

The screen is the necessary display device of daily life and study, and the support that is used for supporting the screen has also produced different structural design and function change along with the size and the usage of screen, and according to user's user demand, the screen needs to lean forward, the adjustment of backward TILT angle (TILT), and the gradient of screen needs to adjust in user's use promptly. The stability of the screen under a certain inclination is realized by achieving a stable balance between the force of the torsion spring in the bracket and the weight of the screen, and the improvement direction and trend of the bracket are realized by adopting a single bracket to match screens with different weights.

In order to realize that a rack can be matched with screens with various weights, in the prior art, a proper torsion spring is generally installed in a support aiming at the weight of the screen to be matched in an installation stage before leaving a factory, if the whole machine is assembled, screens with other weights need to be modified, an appearance piece needs to be detached, then the torsion spring in the support is replaced, and the support after the torsion spring is replaced can be used for bearing the screen with another weight. However, this adjustment method is not only cumbersome and time-consuming, but also involves a risk of damage to the external appearance during the process of removing the external appearance.

Therefore, it is an urgent need to solve the above-mentioned technical problem to provide a torsion spring assembly and a display bracket that can accomplish torque adjustment without disassembly and assembly.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a torsional spring subassembly, this torsional spring subassembly can realize the adjustment of torsion under the prerequisite of not dismouting, easy operation, and labour saving and time saving has avoided the production of dismouting in-process mechanical damage.

To achieve the purpose, the utility model adopts the following technical proposal:

a torsion spring assembly comprising: the fixed connection structure comprises a first connection piece, a second connection piece, a first torsion spring, a second torsion spring and a rotating shaft, wherein the first connection piece and the second connection piece are in rotating connection through the rotating shaft, the first torsion spring and the second torsion spring are sleeved on the rotating shaft, the first torsion spring comprises a first torsion arm and a second torsion arm, the first torsion arm is fixed to the first connection piece in a limiting mode, the second torsion arm is fixed to the second connection piece in a limiting mode, the second torsion spring comprises a third torsion arm and a fourth torsion arm, and the third torsion arm is in a limiting fixed state; the adjusting sheet is configured to be capable of moving towards a direction close to or far away from the fourth torque arm, and the adjusting sheet can move to a limiting position in limiting abutting connection with the fourth torque arm or move to a limiting releasing position separated from the fourth torque arm.

Preferably, the outer diameter of the first torsion spring is smaller than the outer diameter of the second torsion spring, and the second torsion spring is sleeved outside the first torsion spring.

Preferably, the third torque arm is fixed with the first connecting piece in a limiting manner; the adjusting sheet is movably arranged on the second connecting piece.

Preferably, the torsion spring assembly further comprises a locking screw, and the second connecting piece is provided with a connecting hole; the adjusting piece is provided with a movable strip hole along the moving direction, the screw rod of the locking screw penetrates through the movable strip hole to be connected in the connecting hole, the nut of the locking screw is limited to be far away from the adjusting piece on one side of the second connecting piece, and the locking screw is arranged in the movable strip hole and adjustable in position.

Preferably, one of the adjusting sheet and the second connecting piece is provided with a positioning column, the other one of the adjusting sheet and the second connecting piece is provided with a positioning strip hole, the positioning strip hole and the moving strip hole are arranged in parallel, and the positioning column is arranged in the positioning strip hole.

Preferably, the first connecting piece is provided with a first clamping groove, and the first torsion arm is clamped in the first clamping groove; and/or, be provided with the second joint groove on the second connecting piece, second torque arm card is gone into in the second joint groove.

Preferably, a third clamping groove is formed in the first connecting piece, and the third torsion arm is clamped into the third clamping groove.

Preferably, the rotating shaft is arranged horizontally, the adjusting sheet is arranged below the rotating shaft and comprises a horizontally arranged limiting portion and a vertically arranged shifting portion, and the limiting portion is abutted to the fourth torque arm in a limiting mode.

Preferably, a fourth clamping groove is formed in the end portion, close to the second torsion spring, of the adjusting piece, and the fourth torsion arm can be clamped into the fourth clamping groove.

A second object of the utility model is to provide a display screen support, this display screen support's torsional spring subassembly not only easy operation when adjusting torsion, quick, labour saving and time saving, and do not need to dismantle when the adjustment, can avoid dismantling the mechanical damage who causes.

To achieve the purpose, the utility model adopts the following technical proposal:

the display screen support is characterized by comprising a support and the torsional spring assembly, wherein the first connecting piece is used for connecting a screen, and the support is connected to the second connecting piece.

The utility model provides a torsional spring subassembly's beneficial effect: when the adjusting sheet of the torsion spring component is in the limiting position, the two torsion arms of the second torsion spring are in the limiting state, so that the first torsion spring and the second torsion spring can act simultaneously, and the torsion spring component can output a larger torsion force; when the regulating piece is located at the position for releasing the limit, one of the torque arms of the second torsion spring is not limited, so that the second torsion spring cannot play a role, only the first torsion spring plays a role, and the torsion spring assembly can output a smaller torsion force. This torsional spring subassembly only just can realize the adjustment to its torsional force of output through removing the regulating leaf, and not only easy operation, labour saving and time saving has just avoided the production of dismouting outward appearance piece in-process mechanical damage.

Drawings

Fig. 1 is a schematic structural diagram of a display screen bracket according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a torsion spring assembly provided in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of the torsion spring assembly provided by the embodiment of the present invention at a certain viewing angle after the protective cover is removed;

FIG. 4 is a top view of the torsion spring assembly with the protective cover removed according to the embodiment of the present invention;

fig. 5 is a schematic structural view of the torsion spring assembly provided by the embodiment of the present invention at another viewing angle after the protective cover is removed;

fig. 6 is a bottom view of the torsion spring assembly with the protective cover removed according to the embodiment of the present invention;

fig. 7 is an exploded view of the torsion spring assembly with the protective cover removed according to the embodiment of the present invention;

fig. 8 is an exploded view of a second connecting member, an adjustment tab and a locking screw of the torsion spring assembly provided by the embodiment of the present invention;

fig. 9 is a schematic structural diagram of a first connecting member of a torsion spring assembly according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a second connecting member of the torsion spring assembly according to the embodiment of the present invention.

In the figure:

100. a torsion spring assembly;

101. a first connecting member; 1011. a first vertical plate; 1012. a first transverse plate; 1013. a first clamping groove; 1014. a third clamping groove;

102. a second connecting member; 1021. a second vertical plate; 1022. a second transverse plate; 1023. a vertical plate; 1024. connecting holes; 1025. a second clamping groove;

103. a first torsion spring; 1031. a first torque arm; 1032. a second torque arm; 104. a second torsion spring; 1041. a third torque arm; 1042. a fourth torque arm; 105. a rotating shaft;

106. a regulating sheet; 1061. moving the elongated hole; 1062. positioning the strip holes; 1063. a fourth clamping groove; 1064. a limiting part; 1065. a toggle part;

107. a locking screw; 108. a positioning column; 109. a protective cover;

200. a screen; 300. and (4) a bracket.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present embodiment provides a torsion spring assembly 100, as shown in fig. 1, the torsion spring assembly 100 can be used in a display screen bracket, such as a display screen of a computer, to realize a rotational connection between a screen 200 of the display screen and a bracket 300 supporting the screen 200. Of course, the torsion spring assembly 100 can be used in other devices requiring a rotational connection, other than a display bracket, and is not illustrated.

As shown in fig. 2-8, the torsion spring assembly 100 includes a fixed attachment structure and an adjustment tab 106. The fixed connection structure specifically includes a first connection member 101, a second connection member 102, a first torsion spring 103, a second torsion spring 104, and a rotation shaft 105. The first connecting member 101 and the second connecting member 102 are respectively used for connecting with two appearance members which need to be rotatably connected, such as the screen 200 and the bracket 300, in the embodiment, the first connecting member 101 is used for connecting with the screen 200, the second connecting member 102 is used for connecting with the bracket 300, and the second connecting member 102 is a LIFT casting. The first connecting piece 101 and the second connecting piece 102 are rotatably connected through a rotating shaft 105, and both the first torsion spring 103 and the second torsion spring 104 are sleeved on the rotating shaft 105. The first torsion spring 103 includes two torsion arms 1031 and 1032, the first torsion arm 1031 is fixed to the first connecting member 101, and the second torsion arm 1032 is fixed to the second connecting member 102. The second torsion spring 104 includes a third torsion arm 1041 and a fourth torsion arm 1042, the third torsion arm 1041 is fixed in a limiting manner so as to be in a limiting fixed state, and the state of the fourth torsion arm 1042 can be adjusted according to requirements. The adjusting tab 106 is movably disposed, and can move in a direction approaching or separating from the fourth torsion arm 1042, and the adjusting tab 106 can move to a limit position in limit abutment with the fourth torsion arm 1042 or move to a limit release position separated from the fourth torsion arm 1042.

In the torsion spring assembly 100 provided by the present embodiment, since the two torsion arms of the first torsion spring 103 are always fixed in a limited manner, the first torsion spring 103 can always output a torsion force. One of the torsion arms of the second torsion spring 104 is fixed in a limiting manner, the state of the other torsion arm can be changed by the adjusting piece 106, when the adjusting piece 106 is located at the limiting position, the other torsion arm of the second torsion spring 104 is fixed in a limiting manner, the second torsion spring 104 can play a role, the first torsion spring 103 and the second torsion spring 104 play a role simultaneously, the torsion spring assembly 100 can output a larger torsion force, and when the adjusting piece 106 is located at the position where the limiting position is released, the second torsion spring 104 cannot play a role, only the first torsion spring 103 plays a role, and the torsion spring assembly 100 can output a smaller torsion force. The torsion spring assembly 100 can adjust the output torque force only by moving the adjusting piece 106, so that the operation is simple, time and labor are saved, and mechanical damage caused by disassembling and assembling all parts is avoided.

Optionally, as shown in fig. 2 to 7, the first torsion spring 103 and the second torsion spring 104 are nested, an outer diameter of the first torsion spring 103 is smaller than an outer diameter of the second torsion spring 104, and the second torsion spring 104 is sleeved outside the first torsion spring 103. The nested arrangement of the first torsion spring 103 and the second torsion spring 104 improves the structural compactness of the whole torsion spring assembly 100, reduces the volume of the whole torsion spring assembly 100, and enables the torsion spring assembly 100 to have higher installation flexibility. Of course, in addition to nesting the first torsion spring 103 and the second torsion spring 104, in other embodiments, the first torsion spring 103 and the second torsion spring 104 may also be nested on the rotating shaft 105 side by side along the axial direction of the rotating shaft 105, and in this case, the outer diameter of the first torsion spring 103 and the outer diameter of the second torsion spring 104 may be the same or different.

Further, in the present embodiment, the first torsion arm 1031 and the second torsion arm 1032 of the first torsion spring 103 are located at two sides of the first torsion spring 103, and in order to realize the position-limiting fixing of the first torsion arm 1031 and the first connection member 101, as shown in fig. 9, a first clamping groove 1013 is provided on the first connection member 101, and the first torsion arm 1031 is clamped into the first clamping groove 1013. The first torsion arm 1031 may be a straight rod or a bent rod, and the specific shape of the first torsion arm 1031 is determined according to the opening direction of the first catching groove 1013. Of course, in addition to the first catching groove 1013, a first limiting hole may be provided on the first connecting member 101, and the end of the first torsion arm 1031 is inserted into the first limiting hole, so as to limit and fix the first connecting member 101 and the first torsion arm 1031.

In order to realize the position-limiting fixing of the second torsion arm 1032 and the second connecting member 102, as shown in fig. 10, a second clamping groove 1025 is provided on the second connecting member 102, and the second torsion arm 1032 is clamped into the second clamping groove 1025. The second torsion arm 1032 may be a straight rod or a bent rod, and the specific shape of the second torsion arm 1032 is determined according to the opening direction of the second locking groove 1025. Of course, in addition to the second engaging groove 1025, a second limiting hole may be disposed on the second connecting member 102, and the end of the second torsion arm 1032 is inserted into the second limiting hole, so as to limit and fix the second connecting member 102 and the second torsion arm 1032.

In this embodiment, the third torque arm 1041 is fixed to the first connecting element 101 in a limiting manner, and in order to realize the limiting fixation of the third torque arm 1041 to the first connecting element 101, as shown in fig. 9, a third engaging groove 1014 is provided on the first connecting element 101, and the third torque arm 1041 is engaged in the third engaging groove 1014. The third torsion arm 1041 may be a straight rod or a bent rod, and the specific shape of the third torsion arm 1041 is determined according to the opening direction of the third clamping groove 1014. Of course, in addition to the third engaging groove 1014, a third limiting hole may also be provided on the first connecting member 101, and the end of the third torsion arm 1041 is inserted into the third limiting hole, so as to realize the limiting fixation of the first connecting member 101 and the third torsion arm 1041.

Further, in order to improve the limiting effect of the adjusting tab 106 on the fourth torsion arm 1042, as shown in fig. 7 and 8, a fourth catching groove 1063 is provided on an end portion of the adjusting tab 106 close to the second torsion spring 104, and the fourth torsion arm 1042 can be caught in the fourth catching groove 1063. Optionally, the fourth catching groove 1063 is a U-shaped through groove. By providing the fourth engaging groove 1063 on the adjusting tab 106, the fourth torsion arm 1042 can be prevented from moving in the direction perpendicular to the moving direction of the adjusting tab 106, and the stability of the output torque of the second torsion spring 104 is improved.

With reference to fig. 7, in the present embodiment, the first connecting member 101 includes a first vertical plate 1011 and two first horizontal plates 1012 connected in a U shape, the two first horizontal plates 1012 are respectively vertically connected to two sides of the first vertical plate 1011, and each first horizontal plate 1012 is provided with a first through hole for allowing the rotating shaft 105 to pass through.

The second connecting member 102 includes a second vertical plate 1021, a second horizontal plate 1022 and a vertical plate 1023, wherein the number of the second horizontal plates 1022 is two, the two second horizontal plates 1022 are respectively disposed at two ends of the second vertical plate 1021, the second vertical plate 1021 and the two second horizontal plates 1022 are connected in a U shape, and each second horizontal plate 1022 is provided with a second through hole allowing the rotating shaft 105 to pass through. When the first connecting member 101, the second connecting member 102 and the rotating shaft 105 are assembled, the two first transverse plates 1012 are placed between the two second transverse plates 1022, then the free end of the rotating shaft 105 sequentially penetrates through the two sets of second through holes and the first through hole, and finally the free end of the rotating shaft 105 is locked by using a nut, so that the first connecting member 101 and the second connecting member 102 can be rotatably connected by using the rotating shaft 105. It should be noted that, before the connection between the first connecting member 101 and the second connecting member 102 is performed, the first torsion spring 103 and the second torsion spring 104 are nested and placed between the two first transverse plates 1012, and the assembly of the rotating shaft 105 and the two torsion springs is completed simultaneously when the rotating shaft 105 passes through the two first transverse plates 1012.

Continuing to refer to fig. 7, the vertical plate 1023 is connected to the second vertical plate 1021 and is located on the side far away from the two second horizontal plates 1022, in this embodiment, the vertical plate 1023 is L-shaped, one end of the vertical plate 1023 is vertically connected to the middle of the second vertical plate 1021, and the other end can be inserted into the support 300, so as to connect the second connector 102 and the support 300.

Further, the adjustment flap 106 is movably disposed on the second connection member 102. Specifically, the adjusting tab 106 is provided with a moving elongated hole 1061 along the moving direction, and optionally, the elongated hole is a rectangular hole or a waist-shaped hole. The torsion spring assembly 100 further includes a locking screw 107, the second connecting member 102 is provided with a connecting hole 1024, in this embodiment, the connecting hole 1024 is a threaded hole, a screw of the locking screw 107 passes through the moving elongated hole 1061 to be connected into the connecting hole 1024, a nut of the locking screw 107 is limited on a side of the adjusting tab 106 away from the second connecting member 102, and a position of the locking screw 107 in the moving elongated hole 1061 is adjustable.

When the adjusting sheet 106 needs to be moved, the locking screw 107 is unscrewed, the limit of the nut on the adjusting sheet 106 is removed, and then manual force is applied to realize the movement of the adjusting sheet 106; when the adjusting sheet 106 is moved to the right position, the locking screw 107 is screwed, and the nut is pressed against the adjusting sheet 106, so that the position of the adjusting sheet 106 is fixed. Of course, in other embodiments, a plurality of locking holes may be provided at intervals along the moving direction of the adjustment blade 106, and then the locking screw 107 may be inserted into one of the locking holes 1024 to adjust the position of the adjustment blade 106.

Further, in order to improve the moving accuracy of the adjustment piece 106, a positioning elongated hole 1062 is provided in the adjustment piece 106, and the positioning elongated hole 1062 is provided in parallel with the moving elongated hole 1061. Alternatively, the positioning slot 1062 may be a rectangular or a kidney-shaped hole. And a positioning column 108 is arranged on the second connecting piece 102, and the positioning column 108 is arranged in the positioning strip hole 1062. Optionally, the positioning post 108 is a cylinder. During the moving process of the adjusting sheet 106, the cooperation between the positioning column 108 and the positioning strip hole 1062 can limit the moving direction of the adjusting sheet 106, so that the moving precision of the adjusting sheet 106 can be improved.

In order to improve the operability of the movement of the adjusting tab 106, in this embodiment, as shown in fig. 7 and 8, the rotating shaft 105 is horizontally disposed, and the adjusting tab 106 is disposed below the rotating shaft 105, in this embodiment, the adjusting tab 106 is specifically an L-shaped plate-shaped structure, which includes a horizontally disposed limiting portion 1064 and a vertically disposed toggle portion 1065, the fourth catching groove 1063 is disposed on the limiting portion 1064, and the fourth torsion arm 1042 is in limiting contact with the fourth catching groove 1063. The user can hold the toggle part 1065 to apply force to the adjusting piece 106, so as to flexibly adjust the position of the adjusting piece 106.

Further, referring to fig. 2, the torsion spring assembly 100 further includes a protective cover 109, and the protective cover 109 is covered outside the first torsion spring 103, the second torsion spring 104 and the rotating shaft 105, so that foreign matters such as dust can be prevented from entering, and the use effect of the torsion spring assembly 100 can be improved. Further, an escape groove allowing the first connector 101 to rotate is provided on the shield 109.

The present embodiment further provides a display screen bracket, as shown in fig. 1, which includes a bracket 300 and the torsion spring assembly 100, wherein the first connecting member 101 is used for connecting the screen 200, and the bracket 300 is connected to the second connecting member 102.

By using the torsion spring assembly 100, the display screen stand provided by the embodiment can adjust the torsion provided by the torsion spring assembly 100 without disassembling and assembling the components such as the stand 300, the first connecting member 101, the second connecting member 102, the first torsion spring 103, the rotating shaft 105, and the like. When the screen 200 with different weights needs to be replaced, the output torque of the torsion spring assembly 100 can be adjusted by only changing the position of the adjusting piece 106, so that the torsion spring assembly 100 provides a torque force balanced with the weight of a new screen 200, and finally the purpose that one bracket 300 is matched with screens 200 with various weights is achieved. The whole process of the display screen support is simple to operate and high in operation efficiency, and the loss of the display screen support caused by disassembling and assembling of a plurality of parts is reduced.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A torsion spring assembly, comprising:

the fixing and connecting structure comprises a first connecting piece (101), a second connecting piece (102), a first torsion spring (103), a second torsion spring (104) and a rotating shaft (105), wherein the first connecting piece (101) and the second connecting piece (102) are in rotating connection through the rotating shaft (105), the first torsion spring (103) and the second torsion spring (104) are sleeved on the rotating shaft (105), the first torsion spring (103) comprises a first torsion arm (1031) and a second torsion arm (1032), the first torsion arm (1031) is fixed with the first connecting piece (101) in a limiting manner, the second torsion arm (1032) is fixed with the second connecting piece (102) in a limiting manner, the second torsion spring (104) comprises a third torsion arm (1041) and a fourth torsion arm (1042), and the third torsion arm (1041) is in a limiting and fixing state;

a tab (106), the tab (106) being configured to be movable toward a direction approaching or away from the fourth torsion arm (1042), and the tab (106) being movable to a limit position in limit abutment with the fourth torsion arm (1042) or to a limit release position separated from the fourth torsion arm (1042).

2. The torsion spring assembly according to claim 1,

the outer diameter of the first torsion spring (103) is smaller than that of the second torsion spring (104), and the second torsion spring (104) is sleeved outside the first torsion spring (103).

3. The torsion spring assembly of claim 1,

the third torque arm (1041) is limited and fixed with the first connecting piece (101);

the adjusting sheet (106) is movably arranged on the second connecting piece (102).

4. The torsion spring assembly according to claim 3,

the torsion spring assembly further comprises a locking screw (107), and a connecting hole (1024) is formed in the second connecting piece (102);

a movable strip hole (1061) is formed in the adjusting piece (106) along the moving direction, a screw rod of the locking screw (107) penetrates through the movable strip hole (1061) to be connected into the connecting hole (1024), the nut of the locking screw (107) is limited on one side, away from the second connecting piece (102), of the adjusting piece (106), and the position of the locking screw (107) in the movable strip hole (1061) is adjustable.

5. The torsion spring assembly of claim 4,

one of the adjusting sheet (106) and the second connecting piece (102) is provided with a positioning column (108), the other one of the adjusting sheet and the second connecting piece is provided with a positioning strip hole (1062), the positioning strip hole (1062) is parallel to the moving strip hole (1061), and the positioning column (108) is arranged in the positioning strip hole (1062).

6. The torsion spring assembly of claim 1,

a first clamping groove (1013) is formed in the first connecting piece (101), and the first torsion arm (1031) is clamped in the first clamping groove (1013);

and/or a second clamping groove (1025) is formed in the second connecting piece (102), and the second torsion arm (1032) is clamped into the second clamping groove (1025).

7. The torsion spring assembly of claim 1,

and a third clamping groove (1014) is formed in the first connecting piece (101), and the third torsion arm (1041) is clamped in the third clamping groove (1014).

8. The torsion spring assembly of claim 1,

the rotating shaft (105) is horizontally arranged, the adjusting piece (106) is arranged below the rotating shaft (105), the adjusting piece (106) comprises a horizontally arranged limiting part (1064) and a vertically arranged shifting part (1065), and the limiting part (1064) is in limiting butt joint with the fourth torque arm (1042).

9. The torsion spring assembly according to any one of claims 1 to 8,

a fourth clamping groove (1063) is formed in the end portion, close to the second torsion spring (104), of the adjusting piece (106), and the fourth torsion arm (1042) can be clamped into the fourth clamping groove (1063).

10. A display screen bracket, characterized in that it comprises a bracket (300) and a torsion spring assembly according to any of claims 1-9, said first connection member (101) being adapted to be connected to a screen (200), said bracket (300) being connected to said second connection member (102).

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