CN111425715A - A rotating mechanism with synchronous lifting function - Google Patents

Abstract

The invention discloses a rotating mechanism with a synchronous lifting function, which is used for solving the technical problem that the lifting function and the rotating function of the existing bracket cannot be simultaneously carried out. The bracket body in this embodiment is provided with a first connection hole, and the first rotary connection part is connected with the first end of the connection rod and the first connection hole; vertical spout and horizontal spout have been seted up on the support body, and second swivelling joint portion connects the second end of connecting rod and the first non-central point of display, and second swivelling joint portion sliding connection is in horizontal spout, and the side of vertical spout is provided with longitudinal rail, and sliding block sliding connection is on longitudinal rail, and first connecting portion connect in the central point of sliding block and display, and first connecting portion sliding connection is in vertical spout.

Description

A rotating mechanism with synchronous lifting function

technical field

The invention relates to the technical field of electronic equipment bracket design, in particular to a rotating mechanism with a synchronous lifting function.

Background technique

Existing brackets suitable for monitors generally have a rotation adjustment function and a lift adjustment function, the main purpose of which is to enable the display to rotate at a certain angle or lift to a certain height to meet the needs of users.

However, the rotation adjustment function and the lift adjustment function in the existing bracket need to be adjusted separately. For example, the user needs to adjust the rotation angle of the display before adjusting the height of the display, or the user needs to adjust the height of the display before adjusting the height of the display. The rotation angle, it can be seen that the existing bracket cannot realize the adjustment of rotation and lifting at the same time, which causes the problem of inconvenient operation for the user.

Therefore, in order to solve the above-mentioned technical problems, it has become an important subject for those skilled in the art to find a rotating mechanism with a synchronous lifting function.

SUMMARY OF THE INVENTION

The embodiment of the invention discloses a rotating mechanism with a synchronous lifting function, which is used to solve the technical problem that the existing bracket cannot realize the lifting function and the rotating function simultaneously.

The embodiment of the present invention provides a rotating mechanism with a synchronous lifting function, including a display, a base, a bracket body, a connecting rod, a first rotating connection part, a second rotating connection part, a first connecting part and a sliding block;

The bottom side of the bracket body is mounted on the base, the bracket body is provided with a first connection hole, and the first rotation connection part connects the first end of the connecting rod and the first connection hole, the connecting rod is rotatable around the connecting hole;

The bracket body is provided with a longitudinal chute and a transverse chute, the second rotating connection part connects the second end of the connecting rod and the first non-center point of the display, and the connecting rod can go around the display. The first non-center point rotates, the second rotating connection part is slidably connected in the transverse chute, the longitudinal guide rail is provided on the side of the longitudinal chute, and the sliding block is slidably connected to the longitudinal guide rail, And the first connecting part is connected to the center point of the sliding block and the display, and the first connecting part is slidably connected to the longitudinal sliding slot.

Optionally, it also includes a second connecting portion, the bracket body is further provided with an arc-shaped chute that is bent toward the longitudinal chute, the second connecting portion is slidably connected in the arc-shaped chute, and the The second connecting portion is fixedly connected to the second non-center point of the display.

Optionally, the first rotating connection portion includes a connecting rod shaft, a first wear-resistant sheet and a first screw;

The connecting rod shaft passes through the first end of the connecting rod, the end of the connecting rod shaft is fixed in the connecting hole, and the end of the first screw passes through the connecting hole and is connected to the connecting rod. The end of the rod shaft is threadedly connected, so that the connecting rod shaft is fixed in the connecting hole, the second end of the connecting rod is rotatably connected to the connecting rod shaft, and the first wear-resistant sheet is fixedly sleeved on the connecting rod shaft. on the connecting rod shaft, and the first wear-resistant sheet is in close contact with the second end of the connecting rod.

Optionally, the second rotating connection portion includes a second wear-resistant sheet and a second screw;

The second wear-resistant sheet is sleeved on the first non-center point of the display, the second end of the connecting rod is rotatably connected to the first non-center point of the display, and the end of the second screw passes through the second The wear-resistant sheet and the second end of the connecting rod are threadedly connected to the first non-center point of the display.

Optionally, the first connecting portion includes a third wear-resistant sheet and a third screw;

The third wear-resistant sheet is in close contact with the side of the sliding block facing the longitudinal guide rail, and the end of the third screw passes through the sliding block and the third wear-resistant sheet in sequence and is connected to the first side of the display. A non-center point threaded connection.

Optionally, the second connecting portion includes a fourth wear-resistant sheet and a fourth screw;

The end of the fourth screw is screwed to the second non-center point of the display after passing through the fourth wear-resistant sheet.

Optionally, a fixing seat is provided on the top side of the bracket body, a constant force spring is installed on the fixing seat, and the connecting end of the constant force spring is fixedly connected with the sliding block.

Optionally, it also includes a front cover trim for covering the front of the bracket body.

Optionally, it further includes a rear cover decorative piece for covering the rear of the bracket body, wherein the front cover decorative piece and the rear cover decorative piece are snap-connected.

Optionally, a hinge assembly for adjusting the pitch angle of the support body is fixedly connected to the base, at least one spring hinge is arranged in the hinge assembly, and a connecting block is installed on the bottom side of the support body, and the connecting block is installed. Hinged with the spring hinge.

Optionally, the connection line between the first non-center point of the display and the center point of the display is the first connection line; the continuity between the second non-center point of the display and the center point of the display is the second connection line;

The first connection line and the second connection line are not on the same straight line.

As can be seen from the above technical solutions, the embodiments of the present invention have the following advantages:

An embodiment of the present invention provides a rotating mechanism with a synchronous lifting function, including a display, a base, a bracket body, a connecting rod, a first rotating connection part, a second rotating connection part, a first connection part and a sliding block; the bracket The bottom side of the body is mounted on the base, the bracket body is provided with a first connection hole, the first rotation connection part connects the first end of the connecting rod and the first connection hole, the connection The rod is rotatable around the connection hole; the bracket body is provided with a longitudinal chute and a transverse chute, and the second rotating connection part connects the second end of the connecting rod and the first non-center point of the display, so The connecting rod can be rotated around the first non-center point of the display, the second rotating connection part is slidably connected in the transverse chute, the side of the longitudinal chute is provided with a longitudinal guide rail, and the sliding block The first connecting part is slidably connected to the longitudinal guide rail, the first connecting part is connected to the center point of the sliding block and the display, and the first connecting part is slidably connected to the longitudinal sliding groove. In this embodiment, when the user adjusts the clockwise rotation of the display, the connecting rod rotates counterclockwise relative to the bracket body, so that the second rotating connecting part moves to the left in the transverse chute. A connecting part moves upwards in the longitudinal chute. Similarly, if the user adjusts the monitor to rotate counterclockwise, the above components move in the opposite direction. When the user adjusts the monitor to rotate, the monitor will rise and fall synchronously. Through the above design , which greatly simplifies the user's adjustment steps, and the user can easily switch the display from the horizontal screen state to the vertical screen state, which greatly enhances the user's experience.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a structural exploded view of a rotating mechanism with a synchronous lifting function provided by the present invention;

2 is a schematic structural diagram of a rotating mechanism with a synchronous lifting function provided by the present invention;

3 is a schematic front view of the structure of a support body in a rotating mechanism with a synchronous lifting function provided by the present invention;

4 is a schematic view of the reverse structure of a support body in a rotating mechanism with a synchronous lifting function provided by the present invention;

5 is a schematic structural diagram of the connection between a constant force spring and a sliding block in a rotating mechanism with a synchronous lifting function provided by the present invention;

6 is a schematic structural diagram of a hinge assembly in a rotating mechanism with a synchronous lifting function provided by the present invention;

7 is an exploded view of the structure of a support body in a rotating mechanism with a synchronous lifting function provided by the present invention;

8 is a schematic diagram of a rear structure of a display in a rotating mechanism with a synchronous lifting function provided by the present invention;

9 is a schematic structural diagram of a display in a rotating mechanism with a synchronous lifting function provided by the present invention when the display is in a landscape state;

10 is a schematic structural diagram of a display in a rotating mechanism with a synchronous lifting function provided by the present invention when it is in a rotating state;

11 is a schematic structural diagram of a display in a rotating mechanism with a synchronous lifting function provided by the present invention when the display is in a vertical screen state;

12 is a schematic diagram of the structure of the bracket body when the display in a rotating mechanism with a synchronous lifting function provided by the present invention is in a horizontal screen state;

13 is a schematic diagram of the structure of the stand body when the display in a rotating mechanism with a synchronous lifting function provided by the present invention is in a rotating state;

14 is a schematic diagram of the structure of the bracket body when the display in the rotating mechanism with the synchronous lifting function provided by the present invention is in a vertical screen state;

Illustration description: display 1; center point 101 of display; first non-center point 102 of display; second non-center point 103 of display; base 2; front cover trim 3; rear cover trim 4; bracket body 5; transverse chute 501; longitudinal chute 502; arc chute 503; connecting hole 504; constant force spring 6; fixing seat 7; connecting rod 8; longitudinal guide rail 9; sliding block 10; connecting block 11; first rotation connecting part 12; connecting rod shaft 1201; first wear-resistant plate 1202; first screw 1203; second rotating connecting part 13; second wear-resistant plate 1301; second screw 1302; first connecting part 14; third wear-resistant Plate 1401; third screw 1402; second connecting part 15; fourth wear-resistant plate 1501; fourth screw 1502; hinge assembly 16; spring hinge 1601; friction assembly 1602.

Detailed ways

The embodiment of the invention discloses a rotating mechanism with a synchronous lifting function, which is used to solve the technical problem that the existing bracket cannot realize the lifting function and the rotating function simultaneously.

In order to make those skilled in the art better understand the solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example

Please refer to FIG. 1 to FIG. 14, a rotating mechanism with synchronous lifting function provided in the present invention includes:

The display 1, the base 2, the bracket body 5, the connecting rod 8, the first rotary connection part 12, the second rotary connection part 13, the first connection part 14 and the sliding block 10;

The bottom side of the bracket body 5 is mounted on the base 2 , the bracket body 5 is provided with a first connection hole 504 , and the first rotating connection portion 12 connects the first end of the connecting rod 8 to the other end. the first connecting hole 504, the connecting rod 8 can rotate around the connecting hole 504;

The bracket body 5 is provided with a longitudinal chute 502 and a transverse chute 501. The second rotating connecting portion 13 connects the second end of the connecting rod 8 and the first non-center point 102 of the display 1. The rod 8 is rotatable around the first non-center point 102 of the display 1 , and the second rotating connecting portion 13 is slidably connected to the transverse chute 501 , and a longitudinal guide rail 9 is provided on the side of the longitudinal chute 502 . , the sliding block 10 is slidably connected to the longitudinal guide rail 9, and the first connecting portion 14 is connected to the center point 101 of the sliding block 10 and the display 1, and the first connecting portion 14 is slidably connected in the longitudinal chute 502 .

It should be noted that the longitudinal chute 502 and the transverse chute 501 in the embodiment may adopt a connected structure, and the two form a structure similar to an "L" shape, and the arc-shaped chute 503 is bent toward the longitudinal chute 502, and the two do not intersect;

In addition, it should be noted that the first non-central point 102 of the display 1 in this embodiment is a circular shaft with a threaded hole, and the second non-central point 103 of the display 1 in this embodiment is a threaded hole. The center point 101 of the display 1 is a threaded hole.

In this embodiment, when the user adjusts the clockwise rotation of the display 1, the connecting rod 8 rotates counterclockwise relative to the bracket body 5, so that the second rotating connecting part 13 moves to the left in the lateral sliding groove 501. At the same time, the sliding block 10 moves along the As the longitudinal guide rail 9 rises, the first connecting portion 14 moves upward in the longitudinal chute 502. Similarly, if the user adjusts the display 1 to rotate counterclockwise, the above-mentioned components move in the opposite direction, and the user adjusts the display 1 to rotate. When , the display 1 will rise and fall synchronously. The above design greatly simplifies the user's adjustment steps, and the user can easily switch the display 1 from the horizontal screen state to the vertical screen state, which greatly enhances the user's experience.

Further, it also includes a second connecting portion, the bracket body 5 is also provided with an arc-shaped chute 503 bent toward the longitudinal chute 502 , and the second connecting portion 15 is slidably connected to the arc-shaped chute 503 , and the second connecting portion 15 is fixedly connected to the second non-center point 103 of the display 1 .

It should be noted that, through the above design, the display can be made to rotate more smoothly.

Further, the first rotating connection portion 12 includes a connecting rod shaft 1201, a first wear-resistant sheet 1202 and a first screw 1203;

The connecting rod shaft 1201 passes through the first end of the connecting rod 8, and the end of the connecting rod shaft 1201 is fixed in the connection hole 504, and the end of the first screw 1203 passes through the connection The hole 504 is threadedly connected with the end of the connecting rod shaft 1201 , so that the connecting rod shaft 1201 is fixed in the connecting hole 504 , and the second end of the connecting rod 8 is rotatably connected to the connecting rod shaft 1201 , the first wear-resistant sheet 1202 is fixedly sleeved on the connecting rod shaft 1201 , and the first wear-resistant sheet 1202 is closely attached to the second end of the connecting rod 8 .

It should be noted that the number of the first wear-resistant sheets 1202 can be two, the two first wear-resistant sheets 1202 are fixedly sleeved on the connecting rod shaft 1201, and the two first wear-resistant sheets 1202 are respectively close to the connecting rod The front and back of the second end of the 8.

Further, the second rotating connection portion 13 includes a second wear-resistant sheet 1301 and a second screw 1302;

The second wear-resistant sheet 1301 is sleeved on the first non-central point 102 of the display 1, the second end of the connecting rod 8 is rotatably connected to the first non-central point 102 of the display 1, and the second screw 1302 is connected to the first non-central point 102 of the display 1. The end passes through the second wear-resistant sheet 1301 and the second end of the connecting rod 8 and is threadedly connected to the first non-center point 102 of the display 1 .

It should be noted that the second wear-resistant sheet 1301 is in close contact with the second end of the connecting rod 8, and the number of the second wear-resistant sheet 1301 can be appropriately increased or deleted according to the torque provided.

Further, the first connecting portion 14 includes a third wear-resistant sheet 1401 and a third screw 1402;

The third wear-resistant sheet 1401 is in close contact with the side of the sliding block 10 facing the longitudinal guide rail 9, and the ends of the third screws 1402 pass through the sliding block 10 and the third wear-resistant sheet in turn. After 1401, it is screwed to the first non-center point 102 of the display 1.

It should be noted that the center of the sliding block 10 is designed with an opening, so the third screw 1402 can pass through the sliding block 10 and the third wear-resistant sheet 1401 and then be threadedly connected to the first non-center point 102 of the display 1 .

Further, the second connecting portion 15 includes a fourth wear-resistant sheet 1501 and a fourth screw 1502;

The end of the fourth screw 1502 is threadedly connected to the second non-center point 103 of the display 1 after passing through the fourth wear-resistant sheet 1501 .

Further, a fixing seat 7 is provided on the top side of the bracket body 5 , a constant force spring 6 is installed on the fixing seat 7 , and the connecting end of the constant force spring 6 is fixedly connected with the sliding block 10 .

It should be noted that the constant force spring 6 is also known as a constant force spring, and the type and size of the constant force spring 6 can be adjusted according to the weight of the display 1, so that the tension provided by the constant force spring 6 is the same as that of the display 1 to be supported. weight to match. For example, when the weight of the display 1 is 5kg, the constant force spring 6 that can provide a total pulling force of 50N is selected, and the specific settings can be matched according to the actual situation, which will not be repeated here.

When the sliding block 10 moves up and down along the longitudinal guide rail 9, the constant force spring 6 performs the rolling or unfolding action. Since the display 1 is affected by gravity to generate a downward force, the constant force spring 6 generates an upward force due to tensile deformation. , during the movement, the directions of the two acting forces are opposite, and since the two acting forces are equal, they can cancel each other; based on this, the display 1 can be kept at any desired position during the process of adjusting.

Further, a front cover trim 3 for covering the front of the bracket body 5 and a rear cover trim 4 for covering the rear of the bracket body 5 are also included, wherein the front cover The decorative piece 3 and the rear cover decorative piece 4 are snap-connected.

It should be noted that, according to the structure of the above-mentioned bracket body 5, the front cover decorative piece 3 needs to be pre-opened with a plurality of avoidance holes or grooves for the components to pass through. The front cover decorative piece 3 and the rear cover decorative piece 4 is mainly fixedly connected by means of snap connection, thereby forming an accommodating space for accommodating the bracket body 5 .

Further, a hinge assembly 16 for adjusting the pitch angle of the bracket body 5 is fixedly connected to the base 2 , at least one spring hinge 1601 is arranged in the hinge assembly 16 , and a connecting block is installed on the bottom side of the bracket body 5 11. The connecting block 11 is hinged with the spring hinge 1601 .

It should be noted that, in order to enable the support structure to have more adjustment functions, the base 2 is provided with a hinge assembly 16 that can be used to adjust the pitch angle of the support body 5 . The hinge 1601 is hinged with the connecting block 11 on the bracket body 5. The spring hinge 1601 generally includes a fixed shaft, a torsion spring, etc. The above-mentioned connecting block 11 is rotatably connected to the fixed shaft, and one end of the torsion spring is fixed on the connecting block 11. The other end is fixed on the fixed shaft. In addition, the hinge assembly 16 can also include a friction assembly 1602. By adding the friction assembly 1602, the damping feeling when the bracket body 5 is rotated can be improved. The friction assembly 1602 can include wear-resistant sheets and elastic gaskets. , the above-mentioned wear-resistant sheets and elastic gaskets can be fixedly sleeved on the fixed shaft, and then closely fit with the connecting block 11. For details, please refer to Figure 6; The force value required by different angles is compensated by the torsion spring in the spring hinge 1601, so that the rotating feel of each angle is consistent.

Further, the connection line between the first non-center point 102 of the display 1 and the center point 101 of the display 1 is the first connection line; the continuous line between the second non-center point 103 of the display 1 and the center point 101 of the display 1 for the second connection;

The first connection line and the second connection line are not on the same straight line.

It should be noted that, it can be known from FIG. 8 that the first non-central point 102 is located on the lower side of the central point 101 , and the second non-central point 103 is located on the right side of the central point 101 .

Application example

In this application example, the support structure in the above-mentioned embodiment is further described by using the living scene:

Please refer to Fig. 1 to Fig. 14. The display 1 in this application example can be selected as a 16:9 display. When the display 1 is in a landscape state, the user needs to adjust the display 1. For example, the user needs to adjust the display 1 to a portrait orientation. In the state of the screen (vertical screen), the user only needs to rotate the display 1 to the left by hand, that is, rotate the display 1 clockwise. When the display 1 starts to rotate, the connecting rod 8 rotates counterclockwise relative to the bracket body 5, and the second rotating connection The part 13 slowly slides to the left in the transverse chute 501, the sliding block 10 slowly rises along the longitudinal guide rail 9, the first connecting part 14 slowly slides upward in the longitudinal chute 502, the second connecting part 15 is in the arc Sliding upwards in the vertical sliding slot 503, when the display 1 is completely in the vertical screen (vertical screen) state, the second rotating connecting part 13 slides to the leftmost side of the horizontal sliding slot 501, and the first connecting part 14 slides to the vertical sliding slot. At the top of 502, the second connecting part 15 slides to the top of the arc-shaped chute 503. It should be noted that when the display 1 is in the horizontal screen state and the vertical screen state, the distance between the bottom of the display 1 and the base 2 is identical.

A rotating mechanism with synchronous lifting function provided by the present invention has been described above in detail. For those skilled in the art, according to the idea of the embodiment of the present invention, there will be changes in the specific implementation and application scope. , to sum up, the content of this specification should not be construed as a limitation to the present invention.

Claims (10)

1. A rotating mechanism with synchronous lifting function is characterized by comprising a display (1), a base (2), a bracket body (5), a connecting rod (8), a first rotating connecting part (12), a second rotating connecting part (13), a first connecting part (14) and a sliding block (10);

the bottom side of the bracket body (5) is mounted on the base (2), a first connecting hole (504) is formed in the bracket body (5), the first rotary connecting part (12) is connected with the first end of the connecting rod (8) and the first connecting hole (504), and the connecting rod (8) can rotate around the connecting hole (504);

vertical spout (502) and horizontal spout (501) have been seted up on support body (5), second swivelling joint portion (13) are connected the second end of connecting rod (8) and first non-central point (102) of display (1), connecting rod (8) can wind first non-central point (102) of display (1) rotate, second swivelling joint portion (13) sliding connection in horizontal spout (501), the side of vertical spout (502) is provided with longitudinal rail (9), sliding block (10) sliding connection in on longitudinal rail (9), just first connecting portion (14) connect in sliding block (10) with central point (101) of display (1), first connecting portion (14) sliding connection in vertical spout (502).

2. The rotating mechanism with the synchronous lifting function according to claim 1, further comprising a second connecting portion (15), wherein the bracket body (5) further has an arc-shaped sliding slot (503) bending to the longitudinal sliding slot (502), the second connecting portion (15) is slidably connected in the arc-shaped sliding slot (503), and the second connecting portion (15) is fixedly connected to the second non-central point (103) of the display (1).

3. A rotation mechanism with synchronous lifting function according to claim 1, characterized in that the first rotation connection (12) comprises a link shaft (1201), a first wear pad (1202) and a first screw (1203);

the connecting rod shaft (1201) penetrates through the first end of the connecting rod (8), the tail end of the connecting rod shaft (1201) is fixed in the connecting hole (504), the tail end of the first screw (1203) penetrates through the connecting hole (504) to be in threaded connection with the tail end of the connecting rod shaft (1201), so that the connecting rod shaft (1201) is fixed in the connecting hole (504), the second end of the connecting rod (8) is rotatably connected to the connecting rod shaft (1201), the first wear-resistant sheet (1202) is fixedly sleeved on the connecting rod shaft (1201), and the first wear-resistant sheet (1202) is tightly attached to the second end of the connecting rod (8).

4. A rotation mechanism with synchronous lifting function according to claim 1, characterized in that the second rotation connection (13) comprises a second wear plate (1301) and a second screw (1302);

the second wear-resistant plate (1301) is sleeved on the first non-central point (102) of the display (1), the second end of the connecting rod (8) is rotatably connected to the first non-central point (102) of the display (1), and the tail end of the second screw (1302) penetrates through the second wear-resistant plate (1301) and the second end of the connecting rod (8) and then is in threaded connection with the first non-central point (102) of the display (1).

5. A rotary mechanism with synchronous lifting function according to claim 1, characterized in that the first connection (14) comprises a third wear plate (1401) and a third screw (1402);

the third wear-resistant piece (1401) is closely attached to one side face, facing the longitudinal guide rail (9), of the sliding block (10), and the tail end of the third screw (1402) penetrates through the sliding block (10) and the third wear-resistant piece (1401) in sequence and then is in threaded connection with the first non-central point (102) of the display (1).

6. A rotation mechanism with synchronous lifting function according to claim 2, characterized in that the second connection (15) comprises a fourth wear plate (1501) and a fourth screw (1502);

the end of the fourth screw (1502) penetrates through the fourth wear-resistant sheet (1501) and then is in threaded connection with a second non-central point (103) of the display (1).

7. A rotating mechanism with synchronous lifting function according to claim 1, wherein a fixed seat (7) is arranged on the top side of the bracket body (5), a constant force spring (6) is installed on the fixed seat (7), and the connecting end of the constant force spring (6) is fixedly connected with the sliding block (10).

8. The rotating mechanism with synchronous lifting function according to claim 1, further comprising a front cover plate decoration (3) for covering the front part of the bracket body (5) and a rear cover plate decoration (4) for covering the rear part of the bracket body (5), wherein the front cover plate decoration (3) and the rear cover plate decoration (4) are snap-connected.

9. The rotating mechanism with synchronous lifting function according to claim 1, wherein a hinge assembly (16) for adjusting the pitch angle of the bracket body (5) is fixedly connected to the base (2), at least one spring hinge member (1601) is arranged in the hinge assembly (16), a connecting block (11) is installed at the bottom side of the bracket body (5), and the connecting block (11) is hinged to the spring hinge member (1601).

10. The rotating mechanism with synchronous lifting function according to claim 1, wherein a connection line between the first non-central point (102) of the display (1) and the central point (101) of the display (1) is a first connection line; the continuity of the second non-central point (103) of the display (1) and the central point (101) of the display (1) is a second connecting line;

the first wire and the second wire are in non-collinear alignment.

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