An electronic device
By designing an electronic device with the first adjustment component, the display body that can rotate clockwise or counterclockwise, the problem that the camera in the prior art cannot adapt to the horizontal or vertical screen state, and the effect of meeting user needs in both states is achieved.
Patent Information
- Application Number
- CN202420832323.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-04-19
AI Technical Summary
The cameras of existing electronic devices cannot meet the needs of the display subject when they are in different usage states of horizontal or vertical screen.
An electronic device is designed, including a support assembly, a first adjustment assembly and a display body. The first adjustment component can drive the display body to rotate clockwise or counterclockwise, so that the first camera or the second camera is located on the top of the display body, thereby adapting to the horizontal or vertical screen state.
It can meet the needs of users for shooting or live broadcast in horizontal or vertical screen, and improve the user's user experience.
Smart Images

Figure CN222702972U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic products, in particular to an electronic device. Background Art
[0002] With the development of social economy, people's demand for the use of electronic devices is becoming more and more extensive, for example, using electronic devices for filming, live broadcasting and other activities.
[0003] In the current market, the camera of the electronic device used by users is fixed on one side of the display body. When in use, when the display body is in a horizontal screen state, the camera is located at the top of the display body to cooperate with the user to shoot, live broadcast, etc. When the user changes the display body to a vertical screen state according to actual needs, at this time, the camera is located on the side of the display body, resulting in failure to meet the needs of shooting, live broadcast, etc. Therefore, the camera of the existing electronic device cannot simultaneously meet the needs of the display body being in two different use states of horizontal or vertical screen. Utility Model Content
[0004] The technical problem to be solved by the embodiments of the utility model is to provide an electronic device to solve the problem in the prior art that the camera of the electronic device cannot meet the requirements when the display body is in two different usage states of horizontal screen or vertical screen.
[0005] The utility model discloses an electronic device, comprising: a supporting component, a first adjusting component and an electronic device; the first adjusting component is connected to the supporting component; a display body is arranged on the first adjusting component, and a first camera and a second camera are respectively arranged on two adjacent sides of the display body, and the first camera and the second camera are both electrically connected to the display body; the first adjusting component can drive the display body to rotate clockwise or counterclockwise so that the first camera or the second camera is located at the top of the display body.
[0006] Optionally, magnetic components are provided in the first camera and the second camera, so that the first camera and the second camera are magnetically connected to the display body.
[0007] Optionally, the first adjustment component includes a first mounting shaft and a first rotating seat arranged on the first mounting shaft, the first rotating seat is rotatably arranged on the first mounting shaft, the display body is arranged on the first rotating seat, the first mounting shaft is arranged on the supporting component, and the first rotating seat drives the display body to rotate clockwise or counterclockwise.
[0008] Optionally, a first baffle is provided at one end of the first mounting shaft, and a first preload is sleeved on the other end. The first rotating seat is located between the first baffle and the first preload. A first connecting member, a second connecting member and a stacked spring are also sleeved on the first mounting shaft. The first connecting member and the second connecting member are respectively located on both sides of the first rotating seat and are clamped with the first rotating seat. The stacked spring is located between the second connecting member and the first preload, so that the first preload squeezes the stacked spring to form a first preload force with the first baffle.
[0009] Optionally, a plurality of plug-in parts are arranged on the outer circumference of the first rotating seat, a plurality of plug-in holes are formed on the outer shell of the display body, and the plug-in parts are plugged into the plug-in holes one by one.
[0010] Optionally, the electronic device also includes: a second adjustment component and a third adjustment component, the first adjustment component is connected to the supporting component through the second adjustment component and the third adjustment component, wherein the second adjustment component is connected to the first mounting axis, and the second adjustment component can drive the display body to perform pitch movement to change the pitch angle of the display body; the third adjustment component is connected to the second adjustment component, and the third adjustment component can drive the display body to swing in the horizontal direction to change the left and right angles of the display body.
[0011] Optionally, the second adjustment component includes a second mounting shaft and a second rotating seat arranged on the second mounting shaft, the second rotating seat is a U-shaped structure, the second mounting shaft is inserted into the side plates on both sides of the second rotating seat, and the second rotating seat is rotatably arranged on the second mounting shaft, the bottom plate of the second rotating seat is connected to the first mounting shaft, and the second rotating seat drives the display body to perform pitch movement; the third adjustment component includes a third mounting shaft and a third rotating seat arranged on the third mounting shaft, the end of the third rotating seat away from the third mounting shaft is sleeved on the second mounting shaft and is located between the side plates on both sides of the second rotating seat, the third rotating seat is rotatably arranged on the third mounting shaft, the third mounting shaft is arranged on the supporting assembly, and the third rotating seat drives the display body to swing in the horizontal direction.
[0012] Optionally, limiting grooves are respectively formed on the side plates on both sides of the second rotating seat, and a limiting member is arranged on the third rotating seat. The limiting member is located in the limiting groove. The limiting member can contact the groove walls at both ends of the limiting groove respectively to form a limit for the rotation of the second rotating seat on the second mounting axis.
[0013] Optionally, a torsion spring is also sleeved on the second mounting shaft, one end of the torsion spring abuts against the bottom plate of the second rotating seat, and the other end abuts against the third rotating seat; a second baffle is provided at one end of the second mounting shaft, and a second preload is sleeved on the other end, the second rotating seat is located between the second baffle and the second preload, and the second baffle and the second preload form a limit for the second rotating seat.
[0014] Optionally, the support assembly includes a base and a support rod disposed on the base, and the third mounting shaft is connected to an end of the support rod away from the base.
[0015] Compared with the prior art, the beneficial effect of the electronic device provided by the embodiment of the utility model is that the setting of the first adjustment component can drive the electronic device to rotate clockwise or counterclockwise so that the display body can switch between the horizontal screen state and the vertical screen state, thereby allowing the user to adjust the state of the display body according to actual needs during shooting or live broadcasting, and the first camera and the second camera are respectively arranged on the two adjacent sides of the display body. Therefore, when the display body is in the horizontal screen state, the first camera is located at the top of the display screen for the user to use for shooting, live broadcasting, etc. When the display body is in the vertical screen state, the second camera is located at the top of the display body for the user to use for shooting, live broadcasting, etc. The electronic device of the embodiment of the utility model can simultaneously meet the user needs of the display body in two different working states of horizontal or vertical screen, thereby improving the user's usage experience. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The technical solution of the utility model will be further described in detail below with reference to the accompanying drawings and embodiments, in which:
[0017] Figure 1 It is an overall schematic diagram of an electronic device provided by an embodiment of the utility model;
[0018] Figure 2 It is a schematic diagram of the connection structure of the first adjustment component, the second adjustment component and the third adjustment component provided by the embodiment of the utility model;
[0019] Figure 3 It is one of the structural schematic diagrams of the first adjustment component provided in the embodiment of the utility model;
[0020] Figure 4 This is the second structural schematic diagram of the first adjustment component provided in the embodiment of the utility model;
[0021] Figure 5 It is a structural schematic diagram of a display body provided by an embodiment of the utility model;
[0022] Figure 6It is an overall side view of the electronic device provided by the embodiment of the utility model;
[0023] Figure 7 yes Figure 6 A magnified view of the local structure at point A.
[0024] The reference numerals in the figures are:
[0025] 10. Support assembly; 110. Base; 120. Support rod; 121. Connecting rod; 1201. Notch; 20. First adjustment assembly; 210. First rotating seat; 211. Plug-in portion; 220. First mounting axis; 221. First baffle; 222. First preload member; 223. First connecting member; 224. Second connecting member; 225. First gasket; 226. Stack spring; 30. Display body; 310. First camera; 320. Second camera; 301. Plug-in hole; 302. Avoidance groove; 410. Second rotating seat; 4101. Limiting groove; 420. Second mounting axis; 421. Torsion spring; 422. Second gasket; 423. Second preload member; 510. Third rotating seat; 511. Limiting member; 520. Third mounting axis. DETAILED DESCRIPTION
[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. Now, in conjunction with the accompanying drawings, a preferred embodiment of the present utility model is described in detail.
[0027] The utility model embodiment provides an electronic device, such as Figure 1 and Figure 3 As shown, it includes a supporting component 10, a first adjusting component 20 and a display body 30, the first adjusting component 20 is connected to the supporting component 10, the display body 30 is arranged on the first adjusting component 20, and the first camera 310 and the second camera 320 are respectively arranged on two adjacent sides of the display body 30, and the first camera 310 and the second camera 320 are both electrically connected to the display body 30; the first adjusting component 20 can drive the display body 30 to rotate clockwise or counterclockwise so that the first camera 310 or the second camera 320 is located at the top of the display body 30.
[0028] The first adjustment component 20 of the present embodiment is configured to drive the display body 30 to rotate clockwise or counterclockwise so that the display body 30 can switch between the horizontal screen state and the vertical screen state, thereby allowing the user to adjust the state of the display body 30 according to actual needs during shooting, live broadcasting, etc. A first camera 310 and a second camera 320 are respectively arranged on two adjacent sides of the display body 30. Therefore, when the display body 30 is in the horizontal screen state, the first camera 310 is located at the top of the display body 30 for the user to use for shooting, live broadcasting, etc. When the display body 30 is in the vertical screen state, the second camera 320 is located at the top of the display body 30 for the user to use for shooting, live broadcasting, etc. The electronic device of the present utility model embodiment can simultaneously meet the user's needs when the display body 30 is in two different working states of horizontal or vertical screen, thereby improving the user's usage experience.
[0029] The first camera 310 and the second camera 320 can respectively adapt to the display requirements of the display body 30 when it is in the horizontal screen and the vertical screen.
[0030] As a preferred solution of this embodiment, magnetic elements (not shown in the figure) are provided in the first camera 310 and the second camera 320 so that the first camera 310 and the second camera 320 are magnetically connected to the display body 30 .
[0031] Among them, the provision of the magnetic suction component can strengthen the connection strength of the first camera 310 and the second camera 320 on the display body 30, and prevent the display body 30 from being hit by external force and other unexpected situations during use, causing the first camera 310 and the second camera 320 to fall off from the display body 30, thereby affecting the user's experience when shooting, live broadcasting, etc.
[0032] As a preferred solution of this embodiment, refer to Figure 2 and Figure 3 The first adjustment component 20 includes a first mounting shaft 220 and a first rotating base 210 disposed on the first mounting shaft 220. The first rotating base 210 is rotatably disposed on the first mounting shaft 220. The display body 30 is disposed on the first rotating base 210. The first rotating base 210 is disposed on the supporting component 10. The first rotating base 210 drives the display body 30 to rotate clockwise or counterclockwise.
[0033] This embodiment provides the implementation principle of the first adjustment component 20 driving the display body 30 to rotate clockwise or counterclockwise. Specifically, the first adjustment component 20 includes a first mounting shaft 220 and a first rotating seat 210 arranged on the first mounting shaft 220. The first rotating seat 210 is rotatably arranged on the first mounting shaft 220, and the display body 30 is arranged on the first rotating seat 210. The support component 10 provides a stable installation environment for the first mounting shaft 220, so that the first rotating seat 210 can rotate stably on the first mounting shaft 220, and then driven by the first rotating seat 210, the display body 30 is rotated clockwise or counterclockwise. When in use, the user only needs to provide a clockwise or counterclockwise driving force on the display body 30, which can easily achieve the purpose of adjusting the use state of the display body 30 and enhance the user's use experience.
[0034] As a preferred solution of this embodiment, refer to Figures 2 to 4 A first baffle 221 is formed at one end of the first mounting shaft 220, and a first preload member 222 is sleeved on the other end. The first rotating seat 210 is located between the first baffle 221 and the first preload member 222. A first connecting member 223, a second connecting member 224 and a stacked spring 226 are also sleeved on the first mounting shaft 220. The first connecting member 223 and the second connecting member 224 are respectively located on both sides of the first rotating seat 210 and are clamped with the first rotating seat 210; the stacked spring 226 is located between the second connecting member 224 and the first preload member 222, so that the first preload member 222 squeezes the stacked spring 226 and forms a first preload force with the first baffle 221.
[0035] In this embodiment, the first installation shaft 220 also includes a first connecting member 223 and a second connecting member 224. The first connecting member 223 and the second connecting member 224 are respectively located on both sides of the first rotating base 210 and are clamped with the first rotating base 210. On the one hand, the connection strength of the first rotating base 210 on the first installation shaft 220 can be strengthened, and on the other hand, the first rotating base 210 can be prevented from wearing out during use, thereby improving the service life of the first rotating base 210. The first preload member 222, the stacked spring 226 and the first baffle plate 221 are arranged. After the first preload member 222 squeezes the stacked spring 226, it forms a first preload force with the first baffle plate 221. When the first rotating base 210 is rotated to adjust the state of the display screen of the display body 30, the stability of the display body 30 when it is in the horizontal screen state or the vertical screen state can be improved, and the display body 30 can be prevented from shaking during use by the user, thereby improving the user experience.
[0036] Reference Figure 3 A first gasket 225 is further provided between the stacked spring 226 and the first connecting member 223 to improve the connection stability between the stacked spring 226 and the first connecting member 223 .
[0037] The structure composed of the above-mentioned first installation shaft 220 and the first baffle 221 can be a bolt, and the first preload member 222 can be a nut, so that the user can adjust the axial position of the first preload member 222 on the first installation shaft 220 according to actual needs, thereby improving the user's adjustment convenience and further improving the user's usage experience.
[0038] As a preferred solution of this embodiment, refer to Figure 3 and Figure 5 A plurality of plug-in parts 211 are formed on the outer periphery of the first rotating base 210 , and a plurality of plug-in holes 301 are formed on the outer shell of the display body 30 . The plug-in parts 211 are inserted into the plug-in holes 301 one by one.
[0039] In this embodiment, a connection method between the display body 30 and the first adjustment component 20 is provided. Specifically, a plurality of plug-in parts 211 are arranged on the outer periphery of the first rotating seat 210. At the same time, a plurality of plug-in holes 301 are formed on the shell of the display body 30. The plug-in parts 211 are plugged into the plug-in holes 301 one by one to achieve the purpose of stably setting the display body 30 on the first rotating seat 210. The above plug-in structure can also realize a detachable connection between the display body 30 and the first rotating seat 210, so that the user can remove the display body 30 from the first adjustment component 20 for use according to actual needs, thereby further improving the user's convenience and experience.
[0040] Reference Figure 3 and Figure 5 , wherein two plug-in parts 211 are respectively arranged on the two opposite sides of the first rotating seat 210, and four plug-in holes 301 are formed on the outer shell of the display body 30, and the plug-in parts 211 are inserted into the plug-in holes 301 one by one, thereby improving the connection stability between the outer shell of the display body 30 and the first rotating seat 210. An avoidance groove 302 is also formed on the outer shell of the display body 30, and the avoidance groove 302 provides an avoidance space for the arrangement of the first installation shaft 220 when the display body 30 is connected to the first rotating seat 210.
[0041] As a preferred solution of this embodiment, refer to Figure 2 The electronic device also includes: a second adjustment component and a third adjustment component, the first adjustment component 20 is connected to the support component 10 through the second adjustment component and the third adjustment component, wherein the second adjustment component is connected to the first mounting axis 220, and the second adjustment component can drive the display body 30 to perform pitch movement to change the pitch angle of the display body 30; the third adjustment component is connected to the second adjustment component, and the third adjustment component can drive the display body 30 to swing in the horizontal direction to change the left and right angles of the display body 30.
[0042] Among them, the configuration of the above-mentioned second adjustment component and the third adjustment component is to adjust the position of the display body 30 in combination with different usage scenarios and actual needs, so as to enhance the user's usage experience. Specifically, the second adjustment component includes a second mounting shaft 420 and a second rotating base 410 arranged on the second mounting shaft 420, and the second rotating base 410 is in a U-shaped structure. The second mounting shaft 420 is inserted into the side panels on both sides of the second rotating base 410 to enhance the connection stability between the second mounting shaft 420 and the second rotating base 410, and the second rotating base 410 is arranged to rotate on the second mounting shaft 420. Through the rotation of the second rotating base 410 on the second mounting shaft 420, the display body 30 is driven to perform pitch movement, so that the user can adjust the display body 3 according to the actual usage needs. 0 pitch angle; the third adjustment component includes a third mounting axis 520 and a third rotating base 510 arranged on the third mounting axis 520, and the third rotating base 510 is sleeved on the second mounting axis 420 at one end away from the third mounting axis 520, and is located between the side plates of the second rotating base 410, so as to achieve the purpose of connecting the third adjustment component with the second adjustment component, and the third rotating base 510 is rotatably set on the third mounting axis 520, and the third mounting axis 520 is stably supported by the support assembly 10, so that the third rotating base 510 rotates on the third mounting axis 520 to drive the display body 30 to swing in the horizontal direction, and the user adjusts according to actual usage needs to achieve the purpose of adjusting the left and right angles of the display body 30, thereby improving the user's convenience and experience.
[0043] As a preferred solution of this embodiment, refer to Figure 2 Limiting grooves 4101 are respectively formed on the side plates on both sides of the second rotating seat 410, and a limiting member 511 is arranged on the third rotating seat 510. The limiting member 511 is located in the limiting groove 4101. The limiting member 511 can contact the groove walls at both ends of the limiting groove 4101 respectively, so as to limit the rotation of the second rotating seat 410 on the second mounting shaft 420.
[0044] Among them, the setting of the above-mentioned limit groove 4101 and the limit member 511 can control the size of the pitch angle of the display body 30. The size of the limit groove 4101 can be set according to actual needs and is not specifically limited here.
[0045] As a preferred solution of this embodiment, refer to Figure 2 A torsion spring 421 is also sleeved on the second mounting shaft 420, one end of the torsion spring 421 abuts against the bottom plate of the second rotating seat 410, and the other end abuts against the third rotating seat 510. A second baffle is provided at one end of the second mounting shaft 420, and a second preload member 423 is sleeved on the other end. The second rotating seat 410 is located between the second baffle and the second preload member 423, and the second baffle and the second preload member 423 form a limit for the second rotating seat 410.
[0046] The structure formed by the second installation shaft 420 and the second baffle can be a bolt, and the second pre-tightening member 423 can be a nut, so that the user can adjust the axial position of the second pre-tightening member 423 on the second installation shaft 420 according to actual needs, thereby improving the user's adjustment convenience and further improving the user's use experience. The setting of the torsion spring 421 can improve the stability of the second rotating seat 410 after rotation adjustment, thereby improving the setting stability of the display body 30 and improving the user's use experience.
[0047] Reference Figure 2 A second gasket 422 is further provided between the second pre-tightening member 423 and the second rotating seat 410 to improve the connection stability of the second pre-tightening member 423 and the second rotating seat 410 .
[0048] As a preferred solution of this embodiment, refer to Figure 6 The support assembly 10 includes a base 110 and a support rod 120 disposed on the base 110 , and the third installation shaft 520 is connected to an end of the support rod 120 away from the base 110 .
[0049] The support assembly 10 of this embodiment is composed of a base 110 and a support rod 120. The base 110 is used to be placed on a work platform such as the ground. The third installation axis 520 is connected to the end of the support rod 120 away from the base 110. The configuration of the support assembly 10 provides a stable support environment for the display body 30, thereby improving the user's convenience and experience.
[0050] Reference Figure 6 and Figure 7 The support rod 120 is provided with a connecting rod 121, which is a hollow structure and has a notch 1201 formed thereon. The third mounting shaft 520 is disposed in the connecting rod 121, and one end of the third rotating seat 510 is connected to the third mounting shaft 520 through the notch 1201, and the notch 1201 provides a rotation environment for the third rotating seat 510.
[0051] It should be understood that the above embodiments are only used to illustrate the technical solutions of the present utility model rather than to limit it. For those skilled in the art, the technical solutions described in the above embodiments can be modified, or some of the technical features therein can be replaced by equivalents; and all these modifications and replacements should fall within the scope of protection of the claims attached to the present utility model.
Claims
1. An electronic device, characterized in that: include: Support assembly (10); A first adjustment component (20) connected to the support component (10); The display body (30) is arranged on the first adjustment component (20), and a first camera (310) and a second camera (320) are respectively arranged on two adjacent sides of the display body (30), and the first camera (310) and the second camera (320) are both electrically connected to the display body (30); the first adjustment component (20) can drive the display body (30) to rotate clockwise or counterclockwise so that the first camera (310) or the second camera (320) is located at the top of the display body (30).
2. The electronic device according to claim 1, characterized in that: Magnetic elements are provided inside the first camera (310) and the second camera (320), so that the first camera (310) and the second camera (320) are both magnetically connected to the display body (30).
3. The electronic device according to claim 1, characterized in that: The first adjustment component (20) comprises a first mounting shaft (220) and a first rotating seat (210) arranged on the first mounting shaft (220); the first rotating seat (210) is rotatably arranged on the first mounting shaft (220); the display body (30) is arranged on the first rotating seat (210); the first mounting shaft (220) is connected to the supporting component (10); and the first rotating seat (210) drives the display body (30) to rotate clockwise or counterclockwise.
4. The electronic device according to claim 3, characterized in that: A first baffle (221) is provided at one end of the first installation shaft (220), and a first preload member (222) is sleeved on the other end; the first rotating seat (210) is located between the first baffle (221) and the first preload member (222); a first connecting member (223), a second connecting member (224) and a stacked spring (226) are also sleeved on the first installation shaft (220); the first connecting member (223) and the second connecting member (224) are respectively located on both sides of the first rotating seat (210) and are clamped with the first rotating seat (210); the stacked spring (226) is located between the second connecting member (224) and the first preload member (222), so that the first preload member (222) forms a first preload force with the first baffle (221) after squeezing the stacked spring (226).
5. The electronic device according to claim 3, characterized in that: A plurality of plug-in parts (211) are arranged on the outer periphery of the first rotating seat (210), a plurality of plug-in holes (301) are formed on the outer shell of the display body (30), and the plug-in parts (211) are plugged into the plug-in holes (301) in a one-to-one correspondence.
6. The electronic device according to claim 4, characterized in that: The electronic device further comprises: A second adjustment component and a third adjustment component, wherein the first adjustment component (20) is connected to the support component (10) through the second adjustment component and the third adjustment component, wherein the second adjustment component is connected to the first mounting shaft (220), and the second adjustment component can drive the display body (30) to perform pitch movement to change the pitch angle of the display body (30); the third adjustment component is connected to the second adjustment component, and the third adjustment component can drive the display body (30) to swing in the horizontal direction to change the left and right angles of the display body (30).
7. The electronic device according to claim 6, characterized in that: The second adjustment component comprises a second mounting shaft (420) and a second rotating seat (410) arranged on the second mounting shaft (420); the second rotating seat (410) is in a U-shaped structure; the second mounting shaft (420) is inserted into the side plates on both sides of the second rotating seat (410); and the second rotating seat (410) is rotatably arranged on the second mounting shaft (420); the bottom plate of the second rotating seat (410) is connected to the first mounting shaft (220); and the second rotating seat (410) drives the display body (30) to perform pitching movement; The third adjustment component comprises a third mounting shaft (520) and a third rotating seat (510) arranged on the third mounting shaft (520); one end of the third rotating seat (510) away from the third mounting shaft (520) is sleeved on the second mounting shaft (420) and is located between two side plates of the second rotating seat (410); the third rotating seat (510) is rotatably arranged on the third mounting shaft (520); the third mounting shaft (520) is arranged on the supporting component (10); and the third rotating seat (510) drives the display body (30) to swing in a horizontal direction.
8. The electronic device according to claim 7, characterized in that: Limiting grooves (4101) are respectively formed on the side plates on both sides of the second rotating seat (410), and a limiting member (511) is arranged on the third rotating seat (510). The limiting member (511) is located in the limiting groove (4101), and the limiting member (511) can contact with the groove walls at both ends of the limiting groove (4101) respectively, so as to limit the rotation of the second rotating seat (410) on the second mounting shaft (420).
9. The electronic device according to claim 7, characterized in that: A torsion spring (421) is also sleeved on the second mounting shaft (420), one end of the torsion spring (421) abuts against the bottom plate of the second rotating seat (410), and the other end abuts against the third rotating seat (510); a second baffle is provided at one end of the second mounting shaft (420), and a second pre-tightening member (423) is sleeved on the other end, the second rotating seat (410) is located between the second baffle and the second pre-tightening member (423), and the second baffle and the second pre-tightening member (423) form a limit for the second rotating seat (410).
10. The electronic device according to claim 7, characterized in that: The support assembly (10) comprises a base (110) and a support rod (120) arranged on the base (110), and the third installation shaft (520) is connected to an end of the support rod (120) away from the base (110).