Angle adjusting device

Abstract

The utility model provides an angle adjusting device which comprises a first installation assembly, a second installation assembly and a locking assembly, the first installation assembly comprises a first installation base and a first connecting piece, the first connecting piece is connected with the first installation base, and the first installation base is used for being installed on first external equipment; the second mounting assembly comprises a second mounting seat and a second connecting piece, the second mounting seat is used for mounting second external equipment, the second connecting piece is connected with the second mounting seat, and the first connecting piece is movably arranged on the second connecting piece, so that the first connecting piece and the second connecting piece can move relatively; the locking assembly is arranged on the first connecting piece or the second connecting piece, and the locking assembly can move relative to the first connecting piece to limit the second connecting piece and is used for limiting relative movement of the first connecting piece and the second connecting piece. When photographing personnel need different picture composition visual angles, the first connecting piece and the second connecting piece can be locked or loosened to be at different angles through the locking assembly, so that follow-up photographing is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of photographic accessories, in particular to an angle adjustment device. Background Art

[0002] As photography and videography are widely used in people's lives, more and more people will take photos in their daily lives. During the shooting process, people often have different composition requirements. Therefore, photographers often need to change between composition perspectives at different angles. Currently, when photographers need to change the composition perspective, for example, when they need to switch from horizontal shooting to vertical shooting, they usually remove the camera installed horizontally on the fixing device, and then install the camera vertically to achieve horizontal and vertical switching. This method can achieve the change of camera angle, but it is relatively inconvenient during use. Utility Model Content

[0003] The main purpose of the present application is to provide an angle adjustment device, aiming to solve the technical problem of inconvenient angle adjustment of various cameras in the prior art.

[0004] In order to solve the above technical problems, the technical solution provided by the present invention is:

[0005] An angle adjustment device, comprising:

[0006] A first mounting assembly includes a first mounting seat and a first connecting member, wherein the first connecting member is connected to the first mounting seat, and the first mounting seat is used to be mounted on a first external device;

[0007] A second mounting assembly includes a second mounting seat and a second connecting member, wherein the second mounting seat is used to mount a second external device, the second connecting member is connected to the second mounting seat, and the first connecting member is movably disposed on the second connecting member so that the first connecting member and the second connecting member can move relative to each other;

[0008] The locking assembly is arranged on the first connecting member or the second connecting member, and the locking assembly can limit the relative movement between the first connecting member and the second connecting member.

[0009] In some embodiments, one of the first connecting member and the second connecting member includes a guide rail, and the other includes a guide groove, and the guide rail is slidably disposed in the guide groove.

[0010] In some embodiments, the first connecting member includes a guide groove, and the second connecting member includes a guide rail.

[0011] In some embodiments, the first connecting member includes a protrusion, a side wall of the protrusion has a guide groove, and the second connecting member includes a movable groove, and an inner wall of the movable groove has a guide rail corresponding to the guide groove.

[0012] In some embodiments, the first connecting member includes a guide rail, and the second connecting member includes a guide groove.

[0013] In some embodiments, the second mounting seat includes a seat body, a mounting portion and a first locking member, the first connecting member is connected to the seat body, the mounting portion is used to install a second external device and is movably connected to the seat body, and the first locking member is arranged on the mounting portion for locking the mounting portion to the seat body.

[0014] In some embodiments, a slide groove is provided on one side of the mounting portion facing the seat body, the seat body is mounted in the slide groove and cooperates with the inclined surface of the slide groove, and the first locking member can lock the seat body.

[0015] In some embodiments, the mounting portion includes a quick release plate and a quick release seat, the quick release seat is provided with the slide groove, the quick release seat is provided with a mounting groove on a side away from the slide groove, the quick release plate is mounted in the mounting groove, and the angle adjustment device also includes a movable plate, the movable plate is movably connected to the quick release plate, and the end close to the second connecting member is bent in a direction away from the second mounting seat to form a bent portion.

[0016] In some embodiments, the quick-release plate is provided with a connecting portion for installing the second external device, the movable plate is provided with a strip groove, and the connecting portion is passed through the strip groove.

[0017] In some embodiments, the locking assembly is arranged on the first connecting member, and includes a third locking wrench, a third locking column and a third locking block. The first connecting member is provided with a third accommodating groove, and the third locking block is accommodated in the third accommodating groove. The third locking column is respectively connected to the third locking wrench and the third locking block. The third locking wrench is arranged on the first connecting member, and the third locking wrench can drive the third locking block to lock the guide rail in the guide groove.

[0018] In some embodiments, the locking assembly is arranged on the second connecting member, and includes a third locking wrench, a third locking column and a third locking block. The second connecting member is provided with a third accommodating groove, and the third locking block is accommodated in the third accommodating groove. The third locking column is respectively connected to the third locking wrench and the third locking block. The third locking wrench is arranged on the second connecting member, and the third locking wrench can drive the third locking block to lock the guide rail in the guide groove.

[0019] In some embodiments, the locking assembly is disposed on the first connecting member and includes a second locking member and a trigger member. The first connecting member is provided with an opening. The second locking member is disposed on the first connecting member and can be exposed in the opening. The trigger member is elastically connected to the first connecting member. The trigger member can move relative to the first connecting member to trigger the second locking member to protrude from the opening, so as to lock the guide rail of the second connecting member to the guide groove of the first connecting member.

[0020] In some embodiments, the trigger member is provided with a first inclined surface, and the second locking member is provided with a second inclined surface. The second inclined surface can abut against the first inclined surface to drive the trigger member to protrude from the opening, and the trigger member can abut against the second connecting member.

[0021] Beneficial effects:

[0022] In the present application, the first connecting member and the second connecting member can be locked or loosened through the locking assembly so that the second connecting member can rotate relative to the first connecting member, and the second mounting base can further rotate relative to the first mounting base, thereby adjusting the angle of the second external device on the second mounting base. Therefore, when the photographer needs a different composition perspective, the locking assembly can be used to lock or loosen the first connecting member and the second connecting member at different angles to facilitate subsequent shooting. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0024] Figure 1 It is a schematic diagram of an angle adjustment device installed with a shooting device in an embodiment of the present application.

[0025] Figure 2 This is an exploded schematic diagram of the angle adjustment device in an embodiment of the present application.

[0026] Figure 3 It is a right view of the angle adjustment device in the embodiment of the present application.

[0027] Figure 4 For this application Figure 3 Cross-sectional view along the AA direction.

[0028] Figure 5 It is a cross-sectional schematic diagram of an angle adjustment device in another embodiment of the present application.

[0029] Figure 6 Another exploded schematic diagram of the angle adjustment device in the embodiment of the present application.

[0030] Figure 7 This is a front view of the angle adjustment device in an embodiment of the present application.

[0031] Figure 8 For this application Figure 7 Cross-sectional view along the BB direction.

[0032] Fig. 9 For this application Figure 7 Cross-sectional view along CC direction.

[0033] Fig.10 This is a schematic diagram of the structure of the first installation component in an embodiment of the present application.

[0034] Fig.11 Schematic diagram of the structure of an angle adjustment device in another embodiment of the present application.

[0035] Fig.12 This is an exploded schematic diagram of an angle adjustment device in another embodiment of the present application.

[0036] Icon Description:

[0037] 10. Angle adjustment device; 20. Photographing equipment;

[0038] 1. first mounting assembly; 11. first mounting seat; 12. first connecting member; 121. protrusion; 122. opening; 123. third receiving groove;

[0039] 2. Second mounting assembly; 21. Second mounting seat; 211. Seat body; 2111. Limiting groove; 212. Mounting portion; 2121. Sliding groove; 2122. First receiving groove; 2123. Limiting column; 2124. Quick release plate; 2125. Quick release seat; 2126. Mounting groove; 2127. Connecting portion; 2128. Second receiving groove; 213. First locking member; 2131. First locking wrench; 2132. First locking block; 2133. First locking column; 214. Third locking member; 2141. Second locking wrench; 2142. Second locking block; 2143. Second locking column; 22. Second connecting member; 221. Movable groove;

[0040] 3. Locking assembly; 31. Second locking member; 311. Second inclined plane; 32. Trigger member; 321. First inclined plane; 322. Trigger knob; 323. Trigger block; 324. Spring; 33. Third locking wrench; 34. Third locking column; 35. Third locking block;

[0041] 4. Guide rails;

[0042] 5. Guide groove;

[0043] 6. movable plate; 61. bending portion; 62. strip groove.

[0044] The purpose, features and advantages of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0046] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0047] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, "and / or" in the full text includes three solutions. Taking A and / or B as an example, it includes technical solution A, technical solution B, and technical solution that satisfies both A and B; in addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0048] At present, during the shooting process, the photographers can hold the shooting device 20 vertically or horizontally, or hold the shooting device 20 at other angles to achieve multi-angle shooting composition. Alternatively, some photographers will also use some photography accessories to assist in horizontal and vertical shooting. For example, the current horizontal and vertical shooting adjustment structure includes a quick-release component with a groove body, and a fixing device with a bottom arm and a side wall. The quick-release component is used to connect the shooting device 20. When the quick-release component is installed on the bottom arm, it is in horizontal shooting. When the quick-release component is installed on the side arm, it is in vertical shooting. For details, please refer to the Chinese patent No. 2022233596504; it can be understood that the shooting device 20 herein includes but is not limited to a camera or a mobile phone, or a camera or mobile phone equipped with a full camera cage, a half cage or a mounting base, a full cage, a half cage or a base, etc.

[0049] Please refer to Figure 1-12 The present application provides an angle adjustment device 10, including a first mounting component 1, a second mounting component 2 and a locking component 3, the first mounting component 1 includes a first mounting seat 11 and a first connecting member 12, the first connecting member 12 is connected to the first mounting seat 11, and the first mounting seat 11 is used to be installed on a first external device; the second mounting component 2 includes a second mounting seat 21 and a second connecting member 22, the second mounting seat 21 is used to install a second external device, the second connecting member 22 is connected to the second mounting seat 21, and the first connecting member 12 is movably arranged on the first connecting member 12 so that the first connecting member 12 and the second connecting member 22 can move relative to each other, and the locking component 3 is arranged on the first connecting member 12 or the second connecting member 22, and is used to limit the relative movement of the first connecting member 12 and the second connecting member 22.

[0050] In the present application, the first connecting member 12 and the second connecting member 22 can be locked or loosened through the locking assembly 3 so that the second connecting member 22 can rotate relative to the first connecting member 12, and further the second mounting seat 21 can rotate relative to the first mounting seat 11, so that the angle of the second external device on the second mounting seat 21 can be adjusted. Therefore, when the photographer needs a different composition perspective, the locking assembly 3 can be used to lock or loosen the first connecting member 12 and the second connecting member 22 at different angles to facilitate subsequent shooting.

[0051] In this embodiment, the first external device includes a fixing device, such as a tripod, a stabilizer, etc., and the second external device includes a shooting device 20. The specific shooting device 20 includes but is not limited to a camera or a mobile phone, or a camera or mobile phone equipped with a full cage, half cage or mounting base, a full cage, half cage or base, etc.

[0052] On the other hand, in the present application, the locking assembly 3 is disposed on the side of the second connecting member 22 to facilitate user operation.

[0053] Understandably, see Figure 3-5 , Fig.11 The active cooperation between the first connecting member 12 and the second connecting member 22 can be the cooperation between the guide rail 4 and the guide groove 5. The positions of the guide rail 4 and the guide groove 5 can be flexibly set. One of the first connecting member 12 and the second connecting member 22 includes the guide rail 4, and the other includes the guide groove 5. For example, in one embodiment, the first connecting member 12 includes the guide groove 5, and the second connecting member 22 includes the guide rail 4. In this embodiment, the guide groove 5 of the first connecting member 12 can be wrapped around the guide rail 4 of the second connecting member 22, such as Fig.12 As shown, in this embodiment, the locking assembly 3 is connected to the first connecting member 12, and includes a third locking wrench 33, a third locking column 34 and a third locking block 35. The first connecting member 12 is provided with a third receiving groove 123, and the third locking block 35 is accommodated in the third receiving groove 123. The third locking column 35 is respectively connected to the third locking wrench 33 and the third locking block 35. The third locking wrench 33 is provided on the first connecting member 12, and the third locking wrench 33 can drive the third locking block 35 to lock the guide rail 4 to the guide groove 5. In this embodiment, it is configured so that when the third locking wrench 33 is rotated, the third locking block 35 moves closer to the guide groove 5, thereby pressing the guide rail 4.

[0054] Or Figure 3-4 , Fig.10 As shown, the first connecting member 12 may include a guide groove 5 in the form that the first connecting member 12 includes a protrusion 121, and the side wall of the protrusion 121 is provided with a guide groove 5. The second connecting member 22 may include a guide rail 4 in the form that the second connecting member 22 includes a movable groove 221, and the inner wall of the movable groove 221 has a guide rail 4 at a position corresponding to the guide groove 5, and the guide rail 4 is slidably arranged in the guide groove 5. In addition, there is an opening 122 at the top of the protrusion 121, and a part of the structure of the locking component 3 can be exposed in the opening 122, so that it can act on the groove wall of the movable groove 221. Specifically, the side walls on both sides of the protrusion 121 are provided with guide grooves 5, and the inner wall of the movable groove 221 is provided with guide rails 4 at the side walls on both sides of the protrusion 121, so that the first connecting member 12 and the second connecting member 22 can slide smoothly in the corresponding process. It can be understood that in this embodiment, the locking component 3 is schematically connected to the first connecting member 12.

[0055] In another embodiment, if Figure 3 , Figure 5As shown, the first connecting member 12 includes a guide rail 4, and the second connecting member 22 includes a guide groove 5. In this embodiment, the locking assembly 3 can be arranged on the first connecting member 12 or on the second connecting member 22. First, taking the setting on the first connecting member 12 as an example, the guide rail 4 is provided with an opening 122, and the locking assembly 3 is arranged on the first connecting member 11, and part of the structure can be exposed in the opening 122 to act on the groove wall of the guide groove 5. Specifically, in this embodiment, the first connecting member 12 can also include a protrusion 121, and the guide rails 4 are arranged on both sides of the protrusion 121. The second connecting member 22 can include a movable groove 221, and the movable groove 221 corresponds to the guide grooves 5 arranged on the guide rails 4 on both sides of the protrusion 121. Secondly, taking the example that the locking assembly 3 can be arranged on the second connecting member 22, the locking assembly 3 is arranged on the second connecting member 22, and includes a third locking wrench 33, a third locking column 34 and a third locking block 35. A third accommodating groove 123 is arranged on the second connecting member 22, and the third locking block 35 is accommodated in the third accommodating groove 123. The third locking column 34 is respectively connected to the third locking wrench 33 and the third locking block 35. The third locking wrench 33 is arranged on the second connecting member 22, and the third locking wrench 33 can drive the third locking block 35 to lock the guide rail in the guide groove.

[0056] In other embodiments, the angle adjustment device 10 of the present application can be applied to different models of shooting devices 20, see Figure 2 , Figure 6 The second mounting seat 21 includes a seat body 211, a mounting portion 212 and a first locking member 213. The first connecting member 12 is connected to the seat body 211. The mounting portion 212 is used to mount the second external device and is movably connected to the seat body 211. The first locking member 213 is arranged on the mounting portion 212 and is used to lock the mounting portion 212 to the seat body 211. With such an arrangement, the mounting portion 212 can be slid along the seat body 211 to different positions to adapt to different shooting devices 20. When adjusted to a suitable position, the seat body 211 can be locked by the first locking member 213.

[0057] Specifically, see Figure 6The mounting portion 212 is provided with a slide groove 2121 on one side facing the seat body 211, the seat body 211 is mounted on the slide groove 2121, and the first locking member 213 can lock the seat body 211. Specifically, the seat body 211 has inclined surfaces on both sides, and the inner wall of the slide groove 2121 also has inclined surfaces that match the inclined surfaces on both sides of the seat body 211. The first locking member 213 can be locked to the inclined surface of the seat body 211. Specifically, the first locking member 213 includes a first locking wrench 2131, a first locking block 2132, and a first locking column 2133. The mounting portion 212 is provided with a first receiving groove 2122. The first locking block 2132 is received in the first receiving groove 2122. The first locking column 2133 is threadedly connected to the first locking block 2132 and the first locking wrench 2131. When the first locking wrench 2131 is rotated, the first locking block 2132 moves closer to the mounting portion 212, thereby pressing the seat body 211. Further, a limiting groove 2111 is provided on the seat body 211, and a limiting column 2123 is provided on a side of the mounting portion 212 facing the seat body 211.

[0058] See also Figure 2 In some embodiments, the mounting portion 212 includes a quick release plate 2124 and a quick release seat 2125, the quick release seat 2125 is provided with a slide groove 2121, a mounting groove 2126 is provided on the side of the quick release seat 2125 away from the slide groove 2121, the quick release plate 2124 is mounted in the mounting groove 2126, and the angle adjustment device 10 further includes a movable plate 6, the movable plate 6 is movably connected to the quick release plate 2124, and one end of the movable plate 6 close to the second connecting member 22 is bent in a direction away from the second mounting seat 21 to form a bent portion 61. In this embodiment, the bent portion 61 can support the shooting device 20, and further enables the shooting device 20 to be stably mounted on the quick release plate 2124, so that deflection will not occur.

[0059] Furthermore, for the installation of the quick release plate 2124, the quick release plate 2124 can be locked by the third locking member 214, and specifically, the third locking member 214 can be locked to the inclined surface of the quick release plate 2124. Specifically, the third locking member 214 includes a second locking wrench 2141, a second locking block 2142, and a second locking column 2143. The mounting portion 212 is provided with a second receiving groove 2128, and the second locking block 2142 is received in the second receiving groove 2128. The second locking column 2143 is threadedly connected with the second locking block 2142 and the second locking wrench 2141. When the two locking wrenches are rotated, the second locking block 2142 moves closer to the mounting portion 212, thereby pressing the quick release plate 2124.

[0060] See also Figure 2The quick release plate 2124 is provided with a connection portion 2127 for mounting a second external device, the movable plate 6 is provided with a strip groove 62, and the connection portion 2127 is passed through the strip groove 62. With such a configuration, when used to mount photographing devices 20 of different models and sizes, the movable plate 6 can be pulled out a certain distance relative to the quick release plate 2124, thereby supporting different photographing devices 20.

[0061] See also Figure 7-10 The locking assembly 3 in this article includes a second locking member 31 and a trigger member 32. The first connecting member 12 is provided with an opening 122. The second locking member 31 is arranged on the first connecting member 12 and can be exposed in the opening 122. The trigger member 32 is elastically connected to the first connecting member 12. The trigger member 32 can move relative to the first connecting member 12 to trigger the second locking member 31 to protrude from the opening 122 to lock the second connecting member 22. In this embodiment, by rotating the trigger member 32, the second locking member 31 can be driven to move relative to the opening 122, thereby abutting against the second connecting member 22 or leaving the second connecting member 22, and further completing the locking and unlocking of the first connecting member 12 and the second connecting member 22.

[0062] Specifically, the trigger member 32 is provided with a first inclined surface 321, and the second locking member 31 is provided with a second inclined surface 311. The second inclined surface 311 can abut against the first inclined surface 321 to drive the trigger member 32 to protrude from the opening 122. In this embodiment, the trigger member 32 can be rotated so that the first inclined surface 321 of the trigger member 32 abuts against the second inclined surface 311 of the second locking member 31, thereby triggering the second locking member 31 to protrude from the opening 122 to abut against the second connecting member 22.

[0063] In more detail, the trigger member 32 includes a trigger knob 322 and a trigger block 323, the trigger block 323 is elastically connected to the first connecting member 12, and is provided with a first inclined surface 321, the trigger knob 322 is threadedly connected to the first connecting member 12, and the trigger knob 322 can be rotated relative to the first connecting member 12 to trigger the trigger block 323 to move, thereby driving the second locking member 31 to move. It is understandable that the trigger block 323 can be connected to the first connecting member 12 through a spring 324.

[0064] In other embodiments, the locking assembly 3 is connected to the first connecting member 12, and includes a third locking wrench 33, a third locking column 34 and a third locking block 35. The first connecting member 12 is provided with a third receiving groove 123, the third locking block 35 is accommodated in the third receiving groove 123, the third locking column 35 is respectively connected to the third locking wrench 33 and the third locking block 35, the third locking wrench 33 is provided on the first connecting member 12, and the third locking wrench 33 can drive the third locking block 35 to lock the guide rail 4 to the guide groove 5. In this embodiment, it is configured so that when the third locking wrench 33 is rotated, the third locking block 35 moves closer to the guide groove 5, thereby pressing the guide rail 4. It can be understood that when the positions of the guide rail 4 and the guide groove 5 are reversed, the third locking wrench 33, the third locking column 34, the third locking block 35 and the third receiving groove 123 can also be provided on the second connecting member 22, and the locking principle is the same as above, which will not be discussed here.

[0065] The above description is only a preferred embodiment of the present application, and does not limit the patent scope of the present application. All equivalent structural changes made by using the contents of the present application specification and drawings under the concept of the present application, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present application.

Claims

1. An angle adjustment device, characterized in that: include: A first mounting assembly includes a first mounting seat and a first connecting member, wherein the first connecting member is connected to the first mounting seat, and the first mounting seat is used to be mounted on a first external device; A second mounting assembly includes a second mounting seat and a second connecting member, wherein the second mounting seat is used to mount a second external device, the second connecting member is connected to the second mounting seat, and the first connecting member is movably disposed on the second connecting member so that the first connecting member and the second connecting member can move relative to each other; A locking assembly, disposed on the first connecting member or the second connecting member, and the locking assembly is capable of limiting the relative movement of the first connecting member and the second connecting member; Wherein, one of the first connecting member and the second connecting member comprises a guide rail, and the other comprises a guide groove, and the guide rail is slidably arranged in the guide groove.

2. The angle adjustment device according to claim 1, characterized in that: The first connecting member includes a guide groove, and the second connecting member includes a guide rail.

3. The angle adjustment device according to claim 2, characterized in that: The first connecting member includes a protrusion, a side wall of the protrusion has a guide groove, and the second connecting member includes a movable groove, and an inner wall of the movable groove has a guide rail corresponding to the guide groove.

4. The angle adjustment device according to claim 1, characterized in that: The first connecting member includes a guide rail, and the second connecting member includes a guide groove.

5. The angle adjustment device according to claim 1, characterized in that: The second mounting seat includes a seat body, a mounting portion and a first locking member, the first connecting member is connected to the seat body, the mounting portion is used to install a second external device and is movably connected to the seat body, and the first locking member is arranged on the mounting portion for locking the mounting portion to the seat body.

6. The angle adjustment device according to claim 5, characterized in that: A slide groove is provided on one side of the mounting portion facing the seat body, the seat body is mounted in the slide groove and cooperates with the inclined surface of the slide groove, and the first locking member can lock the seat body.

7. The angle adjustment device according to claim 6, characterized in that: The mounting portion includes a quick-release plate and a quick-release seat, the quick-release seat is provided with the slide groove, the quick-release seat is provided with a mounting groove on a side away from the slide groove, the quick-release plate is mounted in the mounting groove, and the angle adjustment device also includes a movable plate, the movable plate is movably connected to the quick-release plate, and one end of the movable plate close to the second connecting member is bent in a direction away from the second mounting seat to form a bent portion.

8. The angle adjustment device according to claim 7, characterized in that: The quick-release plate is provided with a connecting portion for installing the second external device, the movable plate is provided with a strip groove, and the connecting portion is passed through the strip groove.

9. The angle adjustment device according to claim 2, characterized in that: The locking assembly is arranged on the first connecting member, and includes a third locking wrench, a third locking column and a third locking block. The first connecting member is provided with a third accommodating groove, and the third locking block is accommodated in the third accommodating groove. The third locking column is respectively connected to the third locking wrench and the third locking block. The third locking wrench is arranged on the first connecting member, and the third locking wrench can drive the third locking block to lock the guide rail in the guide groove.

10. The angle adjustment device according to claim 4, characterized in that: The locking assembly is arranged on the second connecting member, and includes a third locking wrench, a third locking column and a third locking block. The second connecting member is provided with a third accommodating groove, and the third locking block is accommodated in the third accommodating groove. The third locking column is respectively connected to the third locking wrench and the third locking block. The third locking wrench is arranged on the second connecting member, and the third locking wrench can drive the third locking block to lock the guide rail in the guide groove.

11. The angle adjustment device according to claim 3 or 4, characterized in that: The locking assembly is arranged on the first connecting member, and includes a second locking member and a trigger member. The first connecting member is provided with an opening. The second locking member is arranged on the first connecting member and can be exposed in the opening. The trigger member is movably connected to the first connecting member. The trigger member can move relative to the first connecting member to trigger the second locking member to protrude from the opening, so as to lock the guide rail of the second connecting member to the guide groove of the first connecting member.

12. The angle adjustment device according to claim 11, characterized in that: The trigger member is provided with a first inclined surface, and the second locking member is provided with a second inclined surface. The second inclined surface can be pressed against the first inclined surface to drive the trigger member to protrude from the opening, and the trigger member can be pressed against the second connecting member.

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