CN218599392U - Rotary connecting device and direct seeding machine with same - Google Patents

Abstract

The application discloses swivelling joint device and have its live broadcast machine belongs to live broadcast equipment technical field. This swivelling joint device includes: one side is connected with the support frame, the other side is provided with a fixed plate of a rotating shaft in a penetrating way, one side is connected with the recording and broadcasting equipment, the other side is provided with a rotating disk rotating relative to the fixed plate through the rotating shaft, and the thread fastening component. The rotating disc is provided with an arc-shaped hole in a penetrating mode around the rotating shaft, the thread fastening assembly is arranged in the arc-shaped hole and connected between the fixed plate and the rotating disc, and the thread fastening assembly is used for limiting relative rotation of the rotating disc and the fixed plate. The application provides a swivelling joint device for connect and use between support frame and recorded broadcast equipment, the rotary disk of being connected with recorded broadcast equipment can rotate around the pivot on the fixed plate, the user adjustment recorded broadcast equipment's of being convenient for angle, recorded broadcast equipment is rotatory to required angle after, through screw fastening subassembly locking fixed plate and rotary disk, avoids rotary disk and fixed plate to rotate relatively, convenience of customers operation and use live broadcast machine.

Description

Rotary connecting device and direct seeding machine with same

Technical Field

The application relates to the technical field of live broadcast equipment, in particular to a rotary connecting device and a live broadcast machine with the same.

Background

The network live broadcast continues the advantages of the internet field, the on-site network live broadcast is carried out by utilizing a video mode, the contents of product information, meeting contents, scheme evaluation, on-line investigation, conversation interview, on-line training and the like can be released to the internet on site through a live broadcast machine, and the popularization effect of the activity site is enhanced by utilizing the characteristics of intuition, rapidness, strong interactivity, no limitation of regions and the like of the internet.

The existing live broadcast machine generally comprises recording and broadcasting equipment and a support frame, wherein the support frame is used for bearing the recording and broadcasting equipment and improving the height of the recording and broadcasting equipment so as to be convenient for users to use, and the recording and broadcasting equipment is used for recording or broadcasting live broadcast contents.

However, in the existing live broadcast machine, the recording and broadcasting equipment is directly and fixedly mounted on the support frame, so that the recording and broadcasting equipment cannot rotate according to different use scenes or the use requirements of users, and inconvenience in use is brought to the users.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application aims to overcome the defects in the prior art, and provides a rotary connection device and a live broadcast machine with the same, so as to solve the technical problem that recording and broadcasting equipment cannot rotate relative to a support frame in the prior art, which brings inconvenience to users in use.

In order to solve the above technical problem, in a first aspect, the present application provides:

a swivelling joint device, connects between support frame and recorded broadcast equipment, the swivelling joint device includes:

one side of the fixed plate is connected with the support frame, and the other side of the fixed plate is provided with a rotating shaft in a penetrating way;

one side of the rotating disc is connected with the recording and broadcasting equipment, the other side of the rotating disc rotates relative to the fixed plate through the rotating shaft, and the rotating disc is provided with an arc-shaped hole in a penetrating mode around the rotating shaft;

and the threaded fastening assembly is arranged in the arc-shaped hole and connected between the fixed plate and the rotating plate, and is used for limiting the relative rotation of the rotating plate and the fixed plate.

In addition, the rotary connection device according to the present application may also have the following additional technical features:

in some embodiments of the present application, the threaded fastening assembly includes a screw and a nut, a through hole is formed in a position of the fixing plate corresponding to one end of the arc-shaped hole, and a screw rod of the screw penetrates through the arc-shaped hole and the through hole;

one of the nut and the nut of the screw abuts against the rotating disc, the other one of the nut and the nut of the screw abuts against the fixed plate, the nut is in threaded connection with the screw rod of the screw, and when the rotating disc rotates around the rotating shaft, the screw rod of the screw can abut against the other end of the arc-shaped hole from one end of the arc-shaped hole so as to limit the rotating angle of the rotating disc relative to the fixed plate.

In some embodiments of the present application, the arcuate apertures correspond to a central angle of 90 °.

In some embodiments of the present application, the threaded fastening assembly further comprises a washer, the washer is threaded on the screw rod of the screw and abuts between the fixing plate and the rotating disk.

In some embodiments of the present application, an edge of the rotating disk has a first folded portion, the first folded portion is disposed along a circumferential direction of the rotating disk and defines a heat dissipation space with the rotating disk, two opposite sides of the first folded portion respectively have first connection portions extending therefrom, and the first connection portions are connected to the recording and playing device.

In some embodiments of the present application, the edge of the fixing plate has a second folded portion, the second folded portion is disposed along a circumferential direction of the fixing plate, two opposite sides of the second folded portion respectively have second connecting portions extending and disposed, and the second connecting portions are connected to the supporting frame.

In some embodiments of the present application, the arc-shaped hole is provided with a plurality of arc-shaped holes, the plurality of arc-shaped holes are arranged along the circumferential direction of the rotating shaft, and each of the arc-shaped holes is provided with the screw thread fastening assembly.

In some embodiments of the present application, the plurality of arc-shaped holes include a first arc-shaped hole, a second arc-shaped hole, a third arc-shaped hole, and a fourth arc-shaped hole, and the first arc-shaped hole and the second arc-shaped hole are disposed opposite to each other along a first direction, and the third arc-shaped hole and the fourth arc-shaped hole are disposed opposite to each other along a second direction, and the first direction is perpendicular to the second direction.

In some embodiments of the present application, a pivot hole is formed in the rotating disk, the rotating shaft includes a shaft body and a shaft cap, the shaft cap is fixedly disposed on a side of the fixing plate away from the rotating disk, one end of the shaft body penetrates through the fixing plate and is connected with the shaft cap, and the other end of the shaft body penetrates through the pivot hole.

In a second aspect, the present application further provides a direct broadcast machine, including the rotary connection device in any of the above embodiments.

Compared with the prior art, the beneficial effects of this application are:

the application provides a swivelling joint device, is applied to in the live broadcast machine, and this swivelling joint device includes: one side is connected with the support frame, the other side is provided with a fixed plate of a rotating shaft in a penetrating way, one side is connected with the recording and broadcasting equipment, the other side is provided with a rotating disk rotating relative to the fixed plate through the rotating shaft, and the thread fastening component. The rotating plate is provided with an arc-shaped hole in a penetrating mode around the rotating shaft, the thread fastening assembly is arranged in the arc-shaped hole and connected between the fixed plate and the rotating plate, and the thread fastening assembly is used for limiting relative rotation of the rotating plate and the fixed plate.

The application provides a swivelling joint device for connect and use between support frame and recorded broadcast equipment, the rotary disk of being connected with recorded broadcast equipment can rotate around the pivot on the fixed plate, thereby be convenient for the user adjustment recorded broadcast equipment's angle, the recorded broadcast equipment is rotatory to the required angle of user after, through screw thread fastening assembly locking fixed plate and rotary disk, thereby avoid the relative rotation of rotary disk and fixed plate, convenience of customers operation and use live broadcast machine, the product competitiveness has been improved.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 illustrates a first perspective structural view of a swivel joint assembly in some embodiments of the present application;

FIG. 2 illustrates a second perspective structural view of a swivel joint assembly in some embodiments of the present application;

FIG. 3 illustrates a third perspective structural view of a swivel joint assembly in some embodiments of the present application;

FIG. 4 illustrates a schematic view of the mating structure of the rotating disk and the threaded fastener assembly in some embodiments of the present application.

Description of the main element symbols:

100-a rotating connection; 110-a fixed plate; 111-a second fold; 112-a second connection; 120-rotating disc; 121-arc shaped holes; 121 a-a first arc-shaped hole; 121 b-a second arcuate aperture; 121 c-a third arc-shaped hole; 121 d-a fourth arc-shaped aperture; 122-a first fold; 123-a first connection; 124-heat dissipation space; 125-a pivot hole; 130-a rotating shaft; 131-shaft body; 132-a shaft cap; 140-a threaded fastening assembly; 141-screws; 1411-screw; 1412-nut; 142-a nut; 143-a spacer; the central angle corresponding to the alpha-arc hole; x-a first direction; y-a second direction.

Detailed Description

Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 3, for convenience of description, a cartesian coordinate system is established, and a first direction is defined as a direction shown by an x-axis, and a second direction is defined as a direction shown by a y-axis. It is to be understood that the above definitions are only for the convenience of understanding the relative position relationship of the structures of the parts in the rotating connecting device 100, and should not be construed as limiting the present application.

The embodiment of the application provides a swivelling joint device 100, belongs to live broadcast equipment technical field, mainly is applied to in the live broadcast machine for connect and use between support frame and recorded broadcast equipment, convenience of customers adjusts the angle of recorded broadcast equipment.

As shown in fig. 1, the swivel joint apparatus 100 includes: a fixed plate 110 with one side connected with the supporting frame and the other side provided with a rotating shaft 130, a rotating disc 120 with one side connected with the recording and broadcasting equipment and the other side rotating relative to the fixed plate 110 through the rotating shaft 130, and a screw fastening component 140.

Wherein, the rotating disc 120 is provided with an arc hole 121 around the rotating shaft 130, and the screw fastening assembly 140 is disposed in the arc hole 121 and connected between the fixed plate 110 and the rotating disc 120 for limiting the relative rotation of the rotating disc 120 and the fixed plate 110.

Specifically, the rotary joint apparatus 100 includes a fixed plate 110, a rotating plate 120, and a threaded fastening assembly 140. One side of the fixing plate 110 is connected to the supporting frame, and the other side is provided with a rotating shaft 130. One side of the rotating disc 120 is connected with the recording and broadcasting device, the other side of the rotating disc rotates relative to the fixed plate 110 through the rotating shaft 130, an arc-shaped hole 121 is formed in the rotating disc 120 in a penetrating mode around the rotating shaft 130, and a threaded fastener is arranged in the arc-shaped hole 121 and connected between the fixed plate 110 and the rotating disc 120 and used for limiting the relative rotation of the rotating disc 120 and the fixed plate 110.

The recording and broadcasting equipment is commonly a tablet personal computer, a liquid crystal display screen, a mobile phone and the like. The recording and playing device can record and play the live content, namely, can record and play the live content. The fixed plate 110 and the rotating plate 120 may be rectangular or circular, and in this embodiment, the fixed plate 110 and the rotating plate 120 are preferably rectangular to facilitate the manufacturing and reduce the manufacturing cost.

It can be understood that the rotary connection device 100 provided in this embodiment is used to connect between a support frame and a recording and playing device, the rotary disk 120 connected to the recording and playing device can rotate around the rotary shaft 130 on the fixed plate 110, so that a user can adjust an angle of the recording and playing device at will, after the recording and playing device rotates to a desired angle, the fixed plate 110 and the rotary disk 120 can be locked by the screw fastening component 140, thereby preventing the rotary disk 120 and the fixed plate 110 from rotating relatively, facilitating the user to operate and use a live broadcast machine, and improving product competitiveness.

As shown in fig. 2 and fig. 3, in some embodiments of the present application, optionally, the threaded fastening assembly 140 includes a screw 141 and a nut 142 (the structure of the nut 142 is not shown in the drawings), a through hole is formed in a position of the fixing plate 110 corresponding to one end of the arc-shaped hole 121, and a screw 1411 of the screw 141 is inserted through the arc-shaped hole 121 and the through hole.

One of the nut 142 and the nut 1412 of the screw 141 abuts against the rotating plate 120, the other abuts against the fixing plate 110, the nut 142 is in threaded connection with the threaded rod 1411 of the screw 141, and when the rotating plate 120 rotates around the rotating shaft 130, the threaded rod 1411 of the screw 141 can abut against the other end of the arc-shaped hole 121 from one end of the arc-shaped hole 121 to limit the rotating angle of the rotating plate 120 relative to the fixing plate 110.

In this embodiment, one of the nut 142 and the nut 1412 of the screw 141 abuts against the rotating plate 120, and the other abuts against the fixing plate 110, that is, the nut 1412 may abut against the rotating plate 120, and the nut 142 abuts against the fixing plate 110, so that when the screw 141 is tightened, the nut 1412 and the nut 142 press the fixing plate 110 and the rotating plate 120, thereby acting to limit the relative rotation between the rotating plate 120 and the fixing plate 110. The nut 1412 may abut against the fixing plate 110 and the nut 142 abuts against the rotary plate 120, so that the relative rotation between the rotary plate 120 and the fixing plate 110 may be similarly restricted when the screw 141 is tightened. The above two mounting manners of the screw fastening assembly 140 may be set according to design requirements, and are not particularly limited herein.

When the screw fastening assembly 140 is used, the user can loosen the screw 141 to release the restriction on the rotating disc 120 and the fixing plate 110, then rotate the rotating disc 120 or directly rotate the recording and broadcasting device to adjust the angle of the recording and broadcasting device, and after the angle adjustment is completed, the user can tighten the screw 141 to prevent the rotating disc 120 from rotating relative to the fixing plate 110.

It can be understood that, after the screw 141 is unscrewed, in the process of rotating the recording and playing device, the screw 1411 of the screw 141 can abut against the other end of the arc hole 121 from one end of the arc hole 121, that is, the recording and playing device is limited to rotate within a preset angle range, so that the user can quickly position the recording and playing device in the rotating process, and the use experience of the live broadcast machine is improved.

Of course, in the above embodiment, the screw tightening unit 140 may be a combination of a bolt and a nut 142, or a combination of a screw and a nut 142, and may function to restrict the relative rotation of the rotary disk 120 and the fixed plate 110 as long as the screw tightening unit has a screw tightening function.

As shown in fig. 3, further, the arc-shaped hole 121 may be an arc-shaped waist hole, the through hole is a circular hole, and one end and the other end of the arc-shaped waist hole are arc-shaped hole walls, which can be adapted to the shape of the circular hole, so that the user can install the screw 141 conveniently.

As shown in fig. 3 and 4, in the above embodiment of the present application, the threaded fastening assembly 140 further includes a washer 143, and the washer 143 is threaded on the threaded rod 1411 of the screw 141 and abuts between the fixed plate 110 and the rotating plate 120. The provision of the spacer 143 serves to prevent slipping and to improve the fastening strength of the screw fastening assembly 140, thereby further preventing the fixed plate 110 and the rotating plate 120 from rotating relative to each other and improving the structural strength of the rotary joint apparatus 100.

In addition, with continued reference to FIG. 3, in the above-described embodiment of the present application, the arc-shaped apertures correspond to a central angle α of 90. That is, the central angle α corresponding to the arc-shaped hole is a right angle, so that the rotation angle range of the recording and playing device is 0 ° to 90 °. Illustratively, the recording and playing device corresponding to 0 ° is in a vertical screen mode, and the recording and playing device corresponding to 90 ° is in a horizontal screen mode.

In the rotating process of the rotating disc 120, the screw 1411 of the screw 141 can be abutted to the other end of the arc-shaped hole 121 from one end of the arc-shaped hole 121 to rotate 90 degrees, so that the recording and playing equipment can be rapidly switched between a horizontal screen mode and a vertical screen mode, the use of a live broadcast machine is facilitated, and the experience feeling of a user in the process of using the live broadcast machine is improved.

As shown in fig. 1, 2 and 4, in some embodiments of the present application, an edge of the rotating disc 120 has a first folded portion 122, the first folded portion 122 is disposed along a circumferential direction of the rotating disc 120 and defines a heat dissipation space 124 with the rotating disc 120, two opposite sides of the first folded portion 122 respectively have a first connection portion 123 extending therefrom, and the first connection portion 123 is connected to a recording and playing device.

In this embodiment, by providing the first folding portion 122, a certain gap space, that is, the heat dissipation space 124, is provided between the rotating disk 120 and the recording and playing device, so that heat generated by the recording and playing device can be radiated to the air in the heat dissipation space 124, thereby avoiding the difficulty in heat dissipation caused by the direct contact between the rotating disk 120 and the recording and playing device, improving the heat dissipation performance of the recording and playing device, and prolonging the service life of the live broadcast machine.

In addition, the first connection portion 123 is provided to facilitate the punching installation, that is, the assembly of the recording and playing apparatus with the rotating disk 120.

As shown in fig. 1 and 2, in some embodiments of the present application, an edge of the fixing plate 110 has a second folded portion 111, the second folded portion 111 is disposed along a circumferential direction of the fixing plate 110, two opposite sides of the second folded portion 111 respectively have second connecting portions 112 extending therefrom, and the second connecting portions 112 are connected to the supporting frame.

In this embodiment, the second folding portion 111 is provided to increase the distance between the recording and broadcasting device and the supporting frame, so as to improve the air circulation performance between the recording and broadcasting device and the supporting frame, thereby improving the heat dissipation effect of the recording and broadcasting device. In addition, the second connecting portion 112 facilitates the assembly of the supporting frame with the fixing plate 110.

As shown in fig. 3, in some embodiments of the present application, the arc-shaped hole 121 is provided in plurality, the plurality of arc-shaped holes 121 are provided along the circumference of the rotating shaft 130, and a threaded fastening assembly 140 is provided in each arc-shaped hole 121.

In this embodiment, the arc holes 121 are provided in a plurality of numbers, and the arc holes 121 are arranged along the circumferential direction of the rotating shaft 130, that is, the arc holes 121 are arranged around the rotating shaft 130 in a circle, and through the arrangement of the arc holes 121 and the multiple sets of screw fastening assemblies 140, the multiple sets of screw fastening assemblies 140 can cooperate with the arc holes 121 to fasten the rotating connecting device 100 at the same time, thereby improving the structural stability of the rotating connecting device 100.

Continuing to refer to fig. 3, illustratively, the plurality of arcuate apertures 121 includes a first arcuate aperture 121a, a second arcuate aperture 121b, a third arcuate aperture 121c, and a fourth arcuate aperture 121d. Along first direction x, first arc hole 121a and second arc hole 121b set up relatively, along second direction y, third arc hole 121c and fourth arc hole 121d set up relatively, first direction x is perpendicular to second direction y mutually.

It can be understood that the screw fastening assemblies 140 disposed in the four arc-shaped holes 121 can fasten the rotary connection device 100 at four positions of the rotary connection device 100, so as to improve the structural stability of the rotary connection device 100 and further improve the service life of the direct seeding machine.

As shown in fig. 4, in some embodiments of the present application, a pivot hole 125 is formed in the rotating disc 120, the rotating shaft 130 includes a shaft body 131 and a shaft cap 132, the shaft cap 132 is fixedly disposed on a side of the fixing plate 110 away from the rotating disc 120, one end of the shaft body 131 penetrates through the fixing plate 110 and is connected with the shaft cap 132, and the other end of the shaft body penetrates through the pivot hole 125.

In this embodiment, the shaft cap 132 is disposed to facilitate the assembly of the rotating shaft 130 and the fixing plate 110, one end of the shaft body 131 penetrates through the fixing plate 110 to be connected to the shaft cap 132, and the other end of the shaft body is disposed in the pivot hole 125 in a penetrating manner, so that the rotating disc 120 can rotate relative to the fixing plate 110 through the shaft body 131, and a user can adjust an angle of the recording and playing device conveniently.

In addition, an embodiment of the present application further provides a live broadcast machine, which includes a recording and broadcasting device, a support frame, and the above-mentioned rotary connection device 100. The rotary connecting device 100 is connected between the recorded broadcast equipment and the support frame for use, the rotary disk 120 connected with the recorded broadcast equipment can rotate around the rotating shaft 130 on the fixed plate 110, thereby being convenient for a user to adjust the angle of the recorded broadcast equipment, the recorded broadcast equipment rotates to the angle required by the user, the fixed plate 110 and the rotary disk 120 are locked through the thread fastening component 140, thereby avoiding the relative rotation of the rotary disk 120 and the fixed plate 110, facilitating the operation of the user and using a live broadcast machine, and improving the market competitiveness of the live broadcast machine.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (10)

1. A rotary connecting device is connected between a support frame and recording and broadcasting equipment, and is characterized in that the rotary connecting device comprises:

one side of the fixed plate is connected with the support frame, and the other side of the fixed plate is provided with a rotating shaft in a penetrating way;

one side of the rotating disc is connected with the recording and broadcasting equipment, the other side of the rotating disc rotates relative to the fixed plate through the rotating shaft, and the rotating disc is provided with an arc-shaped hole in a penetrating mode around the rotating shaft;

and the threaded fastening assembly is arranged in the arc-shaped hole and connected between the fixed plate and the rotating plate, and is used for limiting the relative rotation of the rotating plate and the fixed plate.

2. The rotating connecting device according to claim 1, wherein the threaded fastening assembly comprises a screw and a nut, a through hole is formed in the position, corresponding to one end of the arc-shaped hole, of the fixing plate, and a screw rod of the screw penetrates through the arc-shaped hole and the through hole;

one of the nut and the nut of the screw abuts against the rotating disc, the other one of the nut and the nut of the screw abuts against the fixed plate, the nut is in threaded connection with the screw rod of the screw, and when the rotating disc rotates around the rotating shaft, the screw rod of the screw can abut against the other end of the arc-shaped hole from one end of the arc-shaped hole so as to limit the rotating angle of the rotating disc relative to the fixed plate.

3. The swivel connection apparatus according to claim 2, wherein the arc-shaped holes correspond to a central angle of 90 °.

4. The swivel connection apparatus according to claim 2, wherein the threaded fastening assembly further comprises a washer, the washer is threaded on the screw shaft of the screw and abuts between the stationary plate and the rotating disc.

5. The rotary connection device according to any one of claims 1 to 4, wherein the edge of the rotary disk has a first folded portion, the first folded portion is disposed along the circumference of the rotary disk and defines a heat dissipation space with the rotary disk, and two opposite sides of the first folded portion respectively have first connection portions extending therefrom, and the first connection portions are connected to the recording and playing apparatus.

6. The rotating connecting device according to any one of claims 1 to 4, wherein the edge of the fixing plate has a second folded portion, the second folded portion is disposed along a circumferential direction of the fixing plate, two opposite sides of the second folded portion respectively have extending second connecting portions, and the second connecting portions are connected to the supporting frame.

7. The swivel connection apparatus according to claim 1, wherein the arc-shaped holes are provided in plurality, the plurality of arc-shaped holes are provided along a circumferential direction of the rotating shaft, and the screw fastening assembly is provided in each of the arc-shaped holes.

8. The swivel connection apparatus of claim 7, wherein the plurality of arcuate apertures comprises a first arcuate aperture, a second arcuate aperture, a third arcuate aperture, and a fourth arcuate aperture, the first arcuate aperture and the second arcuate aperture being disposed opposite one another in a first direction, the third arcuate aperture and the fourth arcuate aperture being disposed opposite one another in a second direction, the first direction being perpendicular to the second direction.

9. The rotating connecting device according to claim 1, wherein a pivot hole is formed in the rotating disc, the rotating shaft includes a shaft body and a shaft cap, the shaft cap is fixedly disposed on a side of the fixing plate facing away from the rotating disc, one end of the shaft body passes through the fixing plate and is connected with the shaft cap, and the other end of the shaft body passes through the pivot hole.

10. A direct seeding machine, characterized in that it comprises a swivel connection as claimed in any one of claims 1 to 9.

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