Fan-shaped track mechanism for screen mechanical movement

Abstract

The utility model provides a fan-shaped track mechanism for screen mechanical movement, and belongs to the technical field of screen mechanical movement. The fan-shaped track mechanism for screen mechanical movement comprises a first guide beam, a second guide beam, a connecting beam, a bearing frame, a guide rod, a connecting frame, a guide wheel, a synchronous belt, a connecting plate, a mounting frame, a driving shaft and a synchronous wheel. One end of the guide rod is connected with the top of the bearing frame, and the guide rod penetrates through the connecting frame, so that when the bearing frame moves, the connecting frame can move along the guide rod, the distance between the connecting frame and the bearing frame is adjusted, and the turning radius of the guide wheel is adjusted; the moving track of the bearing frame can be matched with the radian of the first guide beam, so that the guide wheels are prevented from being blocked when rolling on the first guide wheels, and the moving stability of the bearing frame is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of screen mechanical movement, and in particular relates to a fan-shaped track mechanism for screen mechanical movement. Background Art

[0002] In the related art, when multimedia presentation is performed through a screen device, in order to improve the effect of the multimedia presentation, it is necessary to move the screen device to adjust the position of the screen device.

[0003] The prior art (publication number: CN220471266U) discloses an external transmission belt guide device for an arc track, comprising an arc track and a rail vehicle body, wherein the arc track is erected on the ground, and the rail vehicle body is arranged on the arc track, and further comprises a driving mechanism for driving the rail vehicle body to move, a transmission belt device for providing travel support for the driving mechanism, and a guiding device for guiding and supporting the belt, wherein the driving mechanism is installed at one end of the rail vehicle body, the transmission belt device is installed on the inner side of the arc track, and the guiding device is located on one side of the transmission belt device. The beneficial effect is that a driving mechanism is provided, and the stability of the operation of the rail vehicle body can be ensured by cooperating with the external driving structure and the outward winding wheel arrangement of the transmission synchronous belt, a transmission belt device is provided, and the tightness adjustment of the transmission synchronous belt is provided, which is convenient for installation and disassembly, and a guiding device is provided, and the transmission synchronous belt can be adjusted in the same arc in cooperation with the arc track.

[0004] In the prior art, the railcar body is arranged on a curved track so that the railcar body moves along the curved track. When the railcar body moves on the curved track, since the turning radius of the railcar body cannot be adjusted, the railcar body is prone to jamming when moving on the curved track, thereby reducing the stability of the movement of the railcar body. Utility Model Content

[0005] In order to solve the problem in the above-mentioned prior art that the turning radius of the track vehicle body cannot be adjusted, so the track vehicle body is prone to jamming when moving on the curved track, thereby reducing the movement stability of the track vehicle body, the utility model provides a fan-shaped track mechanism for screen mechanical movement, which enables the connecting frame to move along the guide rod to adjust the distance between the connecting frame and the load-bearing frame, thereby adjusting the turning radius of the guide wheel, so that the movement trajectory of the load-bearing frame can adapt to the curvature of the first guide beam, thereby avoiding jamming when the guide wheel rolls on the first guide wheel, so as to improve the effect of the movement stability of the load-bearing frame. Its specific technical solution is:

[0006] A fan-shaped track mechanism for mechanical movement of a screen, the fan-shaped track mechanism for mechanical movement of the screen comprising: a first guide beam, a second guide beam, a connecting beam, a load-bearing frame, a guide rod, a connecting frame, a guide wheel, a synchronous belt, a connecting plate, a mounting frame, a driving shaft and a synchronous wheel; the first guide beam is arc-shaped; the second guide beam is arc-shaped, and the second guide beam is located below the first guide beam; a plurality of connecting beams are simultaneously connected to the first guide beam and the second guide beam; the load-bearing frame is located between the first guide beam and the second guide beam; one end of the guide rod is connected to the top of the load-bearing frame, and the other end of the guide rod extends toward the first guide beam; the connecting frame is L-shaped, and the connecting frame is located at the first One side of the guide beam, and the guide rod passes through the connecting frame; the two guide wheels are rotatably connected to the connecting frame at the same time, and the two guide wheels are respectively fitted with the upper and lower sides of the first guide beam; the synchronous belt is installed under the second guide beam, and the synchronous belt is wound around the outside of the second guide beam; one end of the connecting plate is connected to the bottom of the load-bearing frame, and the other end of the connecting plate extends in the direction of the synchronous belt; the mounting frame is L-shaped, the mounting frame is connected to the connecting plate, and the mounting frame is wound around the outside of the synchronous belt; the driving shaft is embedded in the mounting frame, and the two ends of the driving shaft are respectively rotatably connected to the mounting frame and the connecting plate; the synchronous wheel is mounted on the outside of the driving shaft, and the synchronous wheel is meshed with the bottom of the synchronous belt.

[0007] In addition, the fan-shaped track mechanism of the screen mechanical movement in the above technical solution provided by the utility model may also have the following additional technical features:

[0008] In the above technical solution, the fan-shaped track mechanism of the screen mechanical movement also includes: auxiliary shafts and auxiliary wheels; two auxiliary shafts are embedded in the mounting frame, the two auxiliary shafts are respectively located on both sides of the driving shaft, and the two auxiliary shafts are respectively rotatably connected to the mounting frame and the connecting plate; two auxiliary wheels are embedded in the mounting frame, the two auxiliary wheels are respectively mounted on the outside of the two auxiliary shafts, and the two auxiliary wheels are in contact with the top of the synchronous belt.

[0009] In the above technical solution, the fan-shaped track mechanism of the screen mechanical movement also includes: a driving device, a first pulley, a second pulley and a belt; the driving device is provided with an output shaft, the driving device is installed at the bottom of the connecting plate, and the output shaft of the driving device passes through the connecting plate; the first pulley is sleeved on the outer side of the output shaft of the driving device, and the first pulley is located above the connecting plate; the second pulley is sleeved on the outer side of the driving shaft, and the second pulley is located above the connecting plate; the belt is simultaneously sleeved on the outer sides of the first pulley and the second pulley.

[0010] In the above technical solution, the fan-shaped track mechanism of the screen mechanical movement also includes: a track and a slide; the track is arc-shaped, the track is installed on the second guide beam, and the track is located below the load-bearing frame; a first guide groove is arranged in the slide, and the two slides are respectively rotatably connected to the bottom of the load-bearing frame, and the track passes through the first guide grooves of the two slides in sequence.

[0011] In the above technical solution, the fan-shaped track mechanism of the screen mechanical movement also includes: a limit groove and a limit part; the two limit grooves are arranged on the inner wall of the first guide groove; the two limit parts are respectively arranged on both sides of the track, and the limit parts are embedded in the limit grooves.

[0012] In the above technical solution, the fan-shaped track mechanism of the screen mechanical movement also includes: a second guide groove and a guide seat; the two second guide grooves are arranged on the upper and lower sides of the first guide beam, and the two guide wheels are respectively embedded in the two second guide grooves; the guide seat is installed at the bottom of the connecting frame, and the guide seat is wrapped around the outside of the guide rod.

[0013] In the above technical solution, the fan-shaped track mechanism of the screen mechanical movement also includes: a spring; the spring is sleeved on the outside of the guide rod, one end of the spring is connected to the load-bearing frame, and the other end of the spring is connected to the guide seat.

[0014] Compared with the prior art, the fan-shaped track mechanism of the screen mechanical movement of the utility model has the following beneficial effects:

[0015] 1. By connecting the two ends of the driving shaft to the mounting frame and the connecting frame respectively, the synchronous wheel is mounted on the outside of the driving shaft, and the synchronous wheel is meshed with the bottom of the synchronous belt, so that the driving shaft can rotate with the synchronous wheel, so that the synchronous wheel can mesh with the synchronous belt to move, so as to provide power for the mobile load-bearing frame, and thus the position of the screen body installed on the load-bearing frame can be adjusted. By making the two guide wheels simultaneously connected to the connecting frame for rotation, and the two guide wheels are respectively fitted with the upper and lower sides of the first guide beam, so that when the load-bearing frame moves between the first guide beam and the second guide beam, the two guide wheels roll along the upper and lower sides of the first guide beam, so as to guide the load-bearing frame, so as to ensure that the load-bearing frame can move along the arc of the first guide beam, and thus the screen body can move along the fan-shaped trajectory. By connecting one end of the guide rod to the top of the load-bearing frame and passing the guide rod through the connecting frame, it is achieved that when the load-bearing frame moves, the connecting frame can move along the guide rod to adjust the distance between the connecting frame and the load-bearing frame, thereby adjusting the turning radius of the guide wheel, so that the moving trajectory of the load-bearing frame can adapt to the curvature of the first guide beam, thereby avoiding jamming of the guide wheel when rolling on the first guide wheel, thereby improving the stability of the movement of the load-bearing frame.

[0016] 2. By respectively mounting the two auxiliary wheels on the outside of the two auxiliary shafts, and fitting the two auxiliary wheels with the top of the synchronous belt, the auxiliary shaft can support the auxiliary wheels, so that the two auxiliary wheels and the synchronous wheel can cooperate to clamp the synchronous belt, thereby ensuring that the synchronous wheel can engage with the synchronous belt to move, so as to drive the load-bearing frame to move.

[0017] 3. By putting the second pulley on the outside of the driving shaft, and putting the belt on the outside of the first pulley and the second pulley at the same time, when the driving device drives the first pulley to rotate, the first pulley drives the driving shaft to rotate through the second pulley and the belt, thereby driving the synchronous wheel to rotate, and then the synchronous wheel can engage with the synchronous belt to move.

[0018] 4. The two slides are rotatably connected to the bottom of the load-bearing frame respectively, and the track passes through the first guide grooves of the two slides in sequence, so that the two slides can rotate relative to the load-bearing frame, so that the load-bearing frame can move along the track through the two slides, so as to avoid the load-bearing frame from deflecting during movement, thereby improving the stability of the movement of the load-bearing frame. By enabling the slide to rotate relative to the load-bearing frame, the load-bearing frame can adapt to the arc of the second guide beam and the track, thereby improving the user experience of the product.

[0019] 5. By setting two limit grooves on the inner wall of the first guide groove, setting two limit parts on both sides of the track respectively, and embedding the limit parts into the limit grooves, so that the limit parts can move in the limit grooves, thereby realizing the connection between the track and the guide seat, so as to avoid the track and the guide seat from being separated, thereby improving the use experience of the product.

[0020] 6. By arranging two second guide grooves on the upper and lower sides of the first guide beam, and embedding the two guide wheels into the two second guide grooves respectively, so that the guide wheels can roll in the second guide grooves, thereby preventing the guide wheels from moving out of the first guide beam, and thereby improving the stability of the movement of the connecting frame and the guide wheels; by installing the guide seat at the bottom of the connecting frame, and making the guide seat surround the outside of the guide rod, so as to increase the contact area between the connecting plate and the guide rod, thereby ensuring that the guide seat guides the guide rod.

[0021] 7. By putting the spring on the outside of the guide rod, connecting one end of the spring to the load-bearing frame, and connecting the other end of the spring to the guide seat, the load-bearing frame supports the guide seat through the spring, so that when the guide seat moves on the guide rod, the guide seat compresses the spring to ensure that the guide wheel fits tightly with the first guide beam, thereby improving the rolling stability of the guide wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is one of the three-dimensional diagrams of a fan-shaped track mechanism for mechanical movement of a screen of the utility model;

[0023] Figure 2 for Figure 1 A local enlarged view of point A;

[0024] Figure 3 for Figure 1 A partial enlarged view of point B;

[0025] Figure 4 This is the second stereoscopic diagram of a fan-shaped track mechanism for mechanical movement of a screen according to the utility model;

[0026] Figure 5 for Figure 4 A partial enlarged view of point C;

[0027] in, Figures 1 to 5 The corresponding relationship between the reference numerals and component names in the figure is:

[0028] 10 first guide beam, 11 second guide beam, 12 connecting beam, 13 load-bearing frame, 14 guide rod, 15 connecting frame, 16 guide wheel, 17 synchronous belt, 18 connecting plate, 19 mounting frame, 20 driving shaft, 21 synchronous wheel, 22 auxiliary shaft, 23 auxiliary wheel, 24 driving device, 25 first pulley, 26 second pulley, 27 belt, 28 track, 29 slide seat, 31 limiting part, 32 second guide groove, 33 guide seat. DETAILED DESCRIPTION

[0029] The following is a combination of specific implementation cases and attached Figures 1 to 5 The present invention is further described below, but the present invention is not limited to these embodiments.

[0030] A fan-shaped track mechanism for mechanical movement of the screen, such as Figures 1 to 5As shown, the fan-shaped track mechanism of the screen mechanical movement includes: a first guide beam 10, a second guide beam 11, a connecting beam 12, a load-bearing frame 13, a guide rod 14, a connecting frame 15, a guide wheel 16, a synchronous belt 17, a connecting plate 18, a mounting frame 19, a driving shaft 20 and a synchronous wheel 21; the first guide beam 10 is arc-shaped; the second guide beam 11 is arc-shaped, and the second guide beam 11 is located below the first guide beam 10; a plurality of connecting beams 12 are simultaneously connected to the first guide beam 10 and the second guide beam 11; the load-bearing frame 13 is located between the first guide beam 10 and the second guide beam 11; one end of the guide rod 14 is connected to the top of the load-bearing frame 13, and the other end of the guide rod 14 extends toward the first guide beam 10; the connecting frame 15 is L-shaped, and the connecting frame 15 is located on one side of the first guide beam 10 , and the guide rod 14 passes through the connecting frame 15; the two guide wheels 16 are rotatably connected to the connecting frame 15 at the same time, and the two guide wheels 16 are respectively fitted with the upper and lower sides of the first guide beam 10; the synchronous belt 17 is installed under the second guide beam 11, and the synchronous belt 17 is wound around the outside of the second guide beam 11; one end of the connecting plate 18 is connected to the bottom of the load-bearing frame 13, and the other end of the connecting plate 18 extends in the direction of the synchronous belt 17; the mounting frame 19 is L-shaped, the mounting frame 19 is connected to the connecting plate 18, and the mounting frame 19 is wound around the outside of the synchronous belt 17; the driving shaft 20 is embedded in the mounting frame 19, and the two ends of the driving shaft 20 are respectively rotatably connected to the mounting frame 19 and the connecting plate 18; the synchronous wheel 21 is sleeved on the outside of the driving shaft 20, and the synchronous wheel 21 is meshed with the bottom of the synchronous belt 17.

[0031] By placing the second arc-shaped guide beam 11 below the first arc-shaped guide beam 10, and connecting the plurality of connecting beams 12 to the first guide beam 10 and the second guide beam 11 at the same time, the first guide beam 10 and the second guide beam 11 are connected together, so that the first guide beam 10, the second guide beam 11 and the plurality of connecting beams 12 can form a fan-shaped mechanism. By connecting one end of the guide rod 14 to the top of the load-bearing frame 13, and passing the guide rod 14 through the L-shaped connecting frame 15, the load-bearing frame 13, the connecting frame 15 and the guide rod 14 can move synchronously, and the connecting frame 15 can also move along the guide rod 14; by rotating the two guide wheels 16 to the connecting frame 15 at the same time, and the two guide wheels 16 are respectively fitted to the upper and lower sides of the first guide beam 10, the connecting frame 15 can move along the first guide beam 10 through the two guide wheels 16. The synchronous belt 17 is installed below the second guide beam 11 and is wound around the outside of the second guide beam 11, so that the second guide beam 11 supports the synchronous belt 17; one end of the connecting plate 18 is connected to the bottom of the load-bearing frame 13, and the mounting frame 19 is connected to the connecting plate 18, so that the load-bearing frame 13 can move synchronously with the connecting plate 18 and the mounting frame 19. The drive shaft 20 is embedded in the mounting frame 19, and the two ends of the drive shaft 20 are respectively connected to the mounting frame 19 and the connecting plate 18, so that the mounting frame 19 and the connecting plate 18 cooperate to support the drive shaft 20, so that the drive shaft 20 can rotate in the mounting frame 19; the synchronous wheel 21 is mounted on the outside of the drive shaft 20, and the synchronous wheel 21 is meshed with the bottom of the synchronous belt 17, so that the drive shaft 20 can drive the synchronous wheel 21 to rotate, so that the synchronous wheel 21 can mesh with the synchronous belt 17 and move.

[0032] Before using the product, first install the screen body on the load-bearing frame 13, and make the two guide wheels 16 fit with the upper and lower sides of the first guide beam 10; at the same time, make the synchronous wheel 21 mesh with the teeth on the outside of the synchronous belt 17; when preparing to adjust the position of the screen body, rotate the drive shaft 20 so that the drive shaft 20 drives the synchronous wheel 21, so that the synchronous wheel 21 meshes with the synchronous belt 17 to move, and then drives the load-bearing frame 13 to move between the first guide beam 10 and the second guide beam 11 to adjust the position of the screen body.

[0033] With the above structure, the two ends of the driving shaft 20 are respectively connected to the mounting frame 19 and the connection for rotation, the synchronous wheel 21 is sleeved on the outside of the driving shaft 20, and the synchronous wheel 21 is meshed with the bottom of the synchronous belt 17, so that the driving shaft 20 can rotate with the synchronous wheel 21, so that the synchronous wheel 21 can mesh with the synchronous belt 17 to move, so as to provide power for the moving load-bearing frame 13, and thus the position of the screen body installed on the load-bearing frame 13 can be adjusted. By making the two guide wheels 16 simultaneously connected to the connecting frame 15 for rotation, and the two guide wheels 16 are respectively fitted with the upper and lower sides of the first guide beam 10, so that when the load-bearing frame 13 moves between the first guide beam 10 and the second guide beam 11, the two guide wheels 16 roll along the upper and lower sides of the first guide beam 10, so as to guide the load-bearing frame 13, so as to ensure that the load-bearing frame 13 can move along the arc of the first guide beam 10, and thus the screen body can move along the fan-shaped track. By connecting one end of the guide rod 14 to the top of the load-bearing frame 13 and passing the guide rod 14 through the connecting frame 15, it is achieved that when the load-bearing frame 13 moves, the connecting frame 15 can move along the guide rod 14 to adjust the distance between the connecting frame 15 and the load-bearing frame 13, thereby adjusting the turning radius of the guide wheel 16, so that the moving trajectory of the load-bearing frame 13 can adapt to the curvature of the first guide beam 10, thereby avoiding the guide wheel 16 from getting stuck when rolling on the first guide wheel 16, so as to improve the stability of the movement of the load-bearing frame 13.

[0034] Specifically, the synchronous belt 17 is a synchronous toothed belt.

[0035] In the embodiment of the present utility model, Figures 1 to 5 As shown, the fan-shaped track mechanism of the screen mechanical movement also includes: an auxiliary shaft 22 and an auxiliary wheel 23; the two auxiliary shafts 22 are embedded in the mounting frame 19, the two auxiliary shafts 22 are respectively located on both sides of the driving shaft 20, and the two auxiliary shafts 22 are respectively rotatably connected to the mounting frame 19 and the connecting plate 18; the two auxiliary wheels 23 are embedded in the mounting frame 19, the two auxiliary wheels 23 are respectively mounted on the outside of the two auxiliary shafts 22, and the two auxiliary wheels 23 are in contact with the top of the synchronous belt 17.

[0036] By embedding the two auxiliary shafts 22 into the mounting frame 19, and making the two auxiliary shafts 22 rotatably connected to the mounting frame 19 and the connecting plate 18 respectively, so that the mounting frame 19 and the connecting plate 18 can cooperate to support the two auxiliary shafts 22, so that the two auxiliary shafts 22 can rotate in the mounting frame 19; by respectively sleeved the two auxiliary wheels 23 on the outside of the two auxiliary shafts 22, and the two auxiliary wheels 23 are fitted with the top of the synchronous belt 17, so that the auxiliary shaft 22 can support the auxiliary wheels 23, so that the two auxiliary wheels 23 and the synchronous wheel 21 cooperate to clamp the synchronous belt 17, thereby ensuring that the synchronous wheel 21 can engage with the synchronous belt 17 to move, so as to drive the load-bearing frame 13 to move.

[0037] In the embodiment of the present utility model, Figures 1 to 5 As shown, the fan-shaped track mechanism of the screen mechanical movement also includes: a driving device 24, a first pulley 25, a second pulley 26 and a belt 27; the driving device 24 is provided with an output shaft, the driving device 24 is installed at the bottom of the connecting plate 18, and the output shaft of the driving device 24 passes through the connecting plate 18; the first pulley 25 is sleeved on the outer side of the output shaft of the driving device 24, and the first pulley 25 is located above the connecting plate 18; the second pulley 26 is sleeved on the outer side of the driving shaft 20, and the second pulley 26 is located above the connecting plate 18; the belt 27 is sleeved on the outer sides of the first pulley 25 and the second pulley 26 at the same time.

[0038] By installing the driving device 24 at the bottom of the connecting plate 18 and sleeved the first pulley 25 on the outside of the output shaft of the driving device 24, the connecting plate 18 supports the driving device 24, so that the driving device 24 can drive the first pulley 25 to rotate; by sleeved the second pulley 26 on the outside of the driving shaft 20, and sleeved the belt 27 on the outside of the first pulley 25 and the second pulley 26 at the same time, when the driving device 24 drives the first pulley 25 to rotate, the first pulley 25 drives the driving shaft 20 to rotate through the second pulley 26 and the belt 27, thereby driving the synchronous wheel 21 to rotate, and then the synchronous wheel 21 can engage with the synchronous belt 17 to move.

[0039] In the embodiment of the present utility model, Figures 1 to 5 As shown, the fan-shaped track mechanism of the screen mechanical movement also includes: a track 28 and a slide 29; the track 28 is arc-shaped, the track 28 is installed on the second guide beam 11, and the track 28 is located below the load-bearing frame 13; a first guide groove is provided in the slide 29, the two slides 29 are respectively rotatably connected to the bottom of the load-bearing frame 13, and the track 28 passes through the first guide grooves of the two slides 29 in sequence.

[0040] By installing the arc-shaped track 28 on the second guide beam 11 and positioning the track 28 below the load-bearing frame 13, the second guide beam 11 supports the track 28, thereby improving the stability of the track 28; by rotating the two slides 29 to the bottom of the load-bearing frame 13, respectively, and allowing the track 28 to pass through the first guide grooves of the two slides 29 in sequence, the two slides 29 can be rotated relative to the load-bearing frame 13, thereby enabling the load-bearing frame 13 to move along the track 28 through the two slides 29, thereby preventing the load-bearing frame 13 from deflecting during movement, thereby improving the stability of the movement of the load-bearing frame 13. By enabling the slides 29 to rotate relative to the load-bearing frame 13, the load-bearing frame 13 can adapt to the arc of the second guide beam 11 and the track 28, thereby improving the user experience of the product.

[0041] In the embodiment of the present utility model, Figures 1 to 5 As shown, the fan-shaped track mechanism of the screen mechanical movement also includes: a limit groove and a limit part 31; the two limit grooves are arranged on the inner wall of the first guide groove; the two limit parts 31 are respectively arranged on both sides of the track 28, and the limit parts 31 are embedded in the limit grooves.

[0042] By setting two limit grooves on the inner wall of the first guide groove, setting two limit parts 31 on both sides of the track 28 respectively, and embedding the limit parts 31 into the limit grooves, so that the limit parts 31 can move in the limit grooves, the track 28 and the guide seat are connected to each other to avoid the track 28 from being separated from the guide seat, thereby improving the product usage experience.

[0043] In the embodiment of the present utility model, Figures 1 to 5 As shown, the fan-shaped track mechanism of the screen mechanical movement also includes: a second guide groove 32 and a guide seat; the two second guide grooves 32 are arranged on the upper and lower sides of the first guide beam 10, and the two guide wheels 16 are respectively embedded in the two second guide grooves 32; the guide seat is installed at the bottom of the connecting frame 15, and the guide seat is wrapped around the outside of the guide rod 14.

[0044] By arranging two second guide grooves 32 on the upper and lower sides of the first guide beam 10, and embedding the two guide wheels 16 into the two second guide grooves 32 respectively, the guide wheels 16 can roll in the second guide grooves 32, thereby preventing the guide wheels 16 from moving out of the first guide beam 10, thereby improving the stability of the movement of the connecting frame 15 and the guide wheels 16; by installing the guide seat at the bottom of the connecting frame 15, and making the guide seat surround the outer side of the guide rod 14, so as to increase the contact area between the connecting plate 18 and the guide rod 14, thereby ensuring that the guide seat guides the guide rod 14.

[0045] In the embodiment of the present utility model, Figures 1 to 5 As shown, the fan-shaped track mechanism of the screen mechanical movement also includes: a spring; the spring is sleeved on the outside of the guide rod 14, one end of the spring is connected to the load-bearing frame 13, and the other end of the spring is connected to the guide seat.

[0046] By sleeved the spring on the outside of the guide rod 14, connecting one end of the spring to the load-bearing frame 13, and connecting the other end of the spring to the guide seat, the load-bearing frame 13 supports the guide seat through the spring, so that when the guide seat moves on the guide rod 14, the guide seat compresses the spring to ensure that the guide wheel 16 fits tightly with the first guide beam 10, thereby improving the rolling stability of the guide wheel 16.

[0047] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] In the description of the present invention, the terms "one embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fan-shaped track mechanism for screen mechanical movement, characterized in that: The fan-shaped track mechanism of the screen mechanical movement includes: a first guide beam, wherein the first guide beam is arc-shaped; a second guide beam, the second guide beam being arc-shaped and located below the first guide beam; A connecting beam, wherein a plurality of the connecting beams are connected to the first guide beam and the second guide beam at the same time; A load-bearing frame, the load-bearing frame is located between the first guide beam and the second guide beam; A guide rod, one end of which is connected to the top of the load-bearing frame, and the other end of which extends toward the first guide beam; A connecting frame, the connecting frame is L-shaped, the connecting frame is located on one side of the first guide beam, and the guide rod passes through the connecting frame; Guide wheels, wherein the two guide wheels are rotatably connected to the connecting frame at the same time, and the two guide wheels are respectively in contact with the upper and lower sides of the first guide beam; A synchronous belt, the synchronous belt is installed below the second guide beam, and the synchronous belt is wound around the outside of the second guide beam; A connecting plate, one end of which is connected to the bottom of the load-bearing frame, and the other end of which extends toward the synchronous belt; A mounting frame, the mounting frame is L-shaped, the mounting frame is connected to the connecting plate, and the mounting frame is wound around the outside of the synchronous belt; A driving shaft, wherein the driving shaft is embedded in the mounting frame, and both ends of the driving shaft are rotatably connected to the mounting frame and the connecting plate respectively; A synchronous wheel is sleeved on the outer side of the driving shaft and meshes with the bottom of the synchronous belt.

2. A fan-shaped track mechanism for screen mechanical movement according to claim 1, characterized in that: The fan-shaped track mechanism of the screen mechanical movement also includes: Auxiliary shafts, two of the auxiliary shafts are embedded in the mounting frame, the two auxiliary shafts are respectively located on both sides of the driving shaft, and the two auxiliary shafts are respectively rotatably connected to the mounting frame and the connecting plate; Auxiliary wheels, two of the auxiliary wheels are embedded in the mounting frame, the two auxiliary wheels are respectively sleeved on the outsides of the two auxiliary shafts, and the two auxiliary wheels are in contact with the top of the synchronous belt.

3. The fan-shaped track mechanism for screen mechanical movement according to claim 2, characterized in that: The fan-shaped track mechanism of the screen mechanical movement also includes: A driving device, wherein the driving device is provided with an output shaft, the driving device is mounted at the bottom of the connecting plate, and the output shaft of the driving device passes through the connecting plate; A first pulley, wherein the first pulley is sleeved on the outside of the output shaft of the driving device and is located above the connecting plate; A second pulley, wherein the second pulley is sleeved on the outside of the driving shaft and is located above the connecting plate; A belt is simultaneously sleeved on the outer sides of the first pulley and the second pulley.

4. The fan-shaped track mechanism for screen mechanical movement according to claim 1, characterized in that: The fan-shaped track mechanism of the screen mechanical movement also includes: A track, the track is arc-shaped, the track is installed on the second guide beam, and the track is located below the load-bearing frame; A slide seat is provided with a first guide groove, the two slide seats are rotatably connected to the bottom of the load-bearing frame respectively, and the track passes through the first guide grooves of the two slide seats in sequence.

5. The fan-shaped track mechanism for screen mechanical movement according to claim 4, characterized in that: The fan-shaped track mechanism of the screen mechanical movement also includes: Limiting grooves, two of which are arranged on the inner wall of the first guide groove; The two limiting parts are respectively arranged on both sides of the track, and the limiting parts are embedded in the limiting groove.

6. The fan-shaped track mechanism for screen mechanical movement according to claim 1, characterized in that: The fan-shaped track mechanism of the screen mechanical movement also includes: A second guide groove, wherein two second guide grooves are arranged on upper and lower sides of the first guide beam, and the two guide wheels are respectively embedded in the two second guide grooves; A guide seat is installed at the bottom of the connecting frame and is arranged around the outside of the guide rod.

7. The fan-shaped track mechanism for screen mechanical movement according to claim 6, characterized in that: The fan-shaped track mechanism of the screen mechanical movement also includes: A spring is sleeved on the outside of the guide rod, one end of the spring is connected to the load-bearing frame, and the other end of the spring is connected to the guide seat.

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