Quick-release angle adjusting structure

Abstract

The invention relates to a quick-release angle adjusting structure, and the structure comprises a rotating shaft part which is installed on a first device and is inserted in a second device, and enables the first device and the second device to be assembled and connected in a relatively rotating manner; the angle positioning disc is installed on the second device, the surface of the side, facing the first device, of the angle positioning disc is provided with two or more locking positions distributed in a circular ring shape or an arc shape, the rotating shaft part penetrates through the angle positioning disc, and the axis of the rotating shaft part passes through the circle center of a circle where the locking positions distributed in the circular ring shape or the arc shape are located; and the locking part is mounted on the first device, and the locking part can move towards the direction of the second device to be clamped on one locking position so as to realize angle locking of the first device, and can move towards the direction far away from the second device to be separated from the locking position so as to realize angle unlocking of the first device. By means of the angle adjusting structure, the two devices connected in a rotating mode can be rapidly installed and detached, tools are not needed, and angle adjusting operation is simple, convenient and rapid.

Description

Technical Field

[0001] The invention belongs to the technical field of angle adjustment of devices, and in particular relates to a quick-release angle adjustment structure. Background Art

[0002] At present, there are many structures commonly used to achieve angle adjustment of two devices; however, the existing angle adjustment structure is cumbersome and time-consuming to assemble, resulting in inconvenience in disassembling and assembling the two devices during use, and the angle adjustment is usually performed by screw locking, which is also very time-consuming and has low adjustment efficiency. Summary of the invention

[0003] In order to solve the above problems existing in the prior art, the present invention provides a quick-release angle adjustment structure.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] A quick-release angle adjustment structure according to the present invention comprises:

[0006] The rotating shaft is installed on the first device and inserted on the second device so that the first device and the second device can be assembled and connected relatively rotatably;

[0007] An angle positioning disk is mounted on the second device, and a surface on one side facing the first device is provided with two or more locking positions distributed in an annular shape or in an arc shape, the rotating shaft portion passes through the angle positioning disk, and its axis passes through the center of the circle where the locking positions distributed in an annular shape or in an arc shape are located;

[0008] And a locking part is installed on the first device, and the locking part can move toward the direction of the second device to be stuck in one of the locking positions to achieve angle locking of the first device, and can move in the direction away from the second device to separate from the locking position to achieve angle unlocking of the first device.

[0009] Furthermore, the quick-release angle adjustment structure also includes a rotation axis limiting portion, which is installed on the second component and extends into the second component to be connected to the rotation axis portion to limit the rotation axis portion from being separated from the second component.

[0010] Furthermore, the surface of the rotating shaft portion is provided with a limited locking position, the second component is provided with a first mounting hole, the first mounting hole is located in the middle position of the angle positioning disk, and its center line passes through the center of the circle where the locking position with a circular ring distribution or an arc distribution is located; the rotating shaft portion is assembled in the first mounting hole after passing through the first component, and one end of the rotating shaft limiting portion extends into the first mounting hole and is clamped in the limited locking position.

[0011] Further, the rotating shaft portion has a rotating shaft area, and the first component is rotatably assembled on the rotating shaft area;

[0012] The locking part is a locking rod, which is axially movable and rotatably assembled on the first component, and an operating part is provided at its outer end, and the inner end can be detachably clamped on one of the locking positions of the angle positioning disk after passing through the first component.

[0013] Furthermore, the operating portion is provided with a locking bayonet, and the locking bayonet can detachably clamp the first component to lock the locking portion whose inner end is clamped in the locking position, thereby realizing the locking of the angle adjustment structure;

[0014] The outer end of the locking part is provided with a spring, and the two ends of the spring respectively abut against the first component and the locking part, so that the inner end of the locking part is automatically separated from the locking position when the locking bayonet is separated from the first component, thereby realizing the unlocking of the angle adjustment structure.

[0015] Furthermore, the operating part is provided with a locking bayonet, and the outer end of the locking part is provided with a tension spring, and the two ends of the tension spring are respectively connected to the first device and the locking part, so that the locking part automatically moves axially inward after the outward pulling force is eliminated, and the inner end is automatically stuck in one of the locking positions, and then the locking bayonet is detachably clamped on the first device, and the locking part with the inner end stuck in the locking position is locked, so as to achieve the locking of the angle adjustment structure; the locking bayonet is separated from the first device, and the locking part is pulled outward until the inner end is separated from the locking position, so as to achieve the unlocking of the angle adjustment structure.

[0016] Furthermore, the quick-release angle adjustment structure also includes a bearing seat, which is installed in the first component and is provided with a first axial hole and a second axial hole. The shaft area of ​​the shaft part can be rotatably assembled in the first axial hole, and the locking part can be axially moved and rotatably assembled in the second axial hole.

[0017] Furthermore, the limiting position is an annular groove arranged on the circumferential surface of the shaft portion, and one end of the shaft limiting portion can be movably clamped in the annular groove, so that the shaft portion can be rotatably assembled in the first mounting hole, and the shaft portion is fixedly connected to the first component.

[0018] Furthermore, the locking portion is a locking rod, which is axially movable and rotatably assembled on the first component, and an operating portion is provided at its outer end, and the inner end can be detachably clamped on one of the locking positions of the angle positioning disk after passing through the first component.

[0019] Furthermore, the operating portion is provided with a locking bayonet, and the locking bayonet can detachably clamp the first component to lock the locking portion whose inner end is clamped in the locking position, thereby realizing the locking of the angle adjustment structure;

[0020] The outer end of the locking part is provided with a spring, and the two ends of the spring abut against the first component and the locking part respectively, so that the inner end of the locking part is automatically separated from the locking position when the bayonet and the first component are locked, thereby realizing the unlocking of the angle adjustment structure; or,

[0021] The outer end of the locking part is provided with a tension spring, and the two ends of the tension spring are respectively connected to the first component and the locking part, so that the locking part automatically moves axially inward after the outward pulling force is eliminated, and the inner end is automatically stuck in one of the locking positions, and then the locking bayonet is detachably clamped on the first component; the locking bayonet is separated from the first component, and the locking part is pulled outward until the inner end is separated from the locking position, thereby realizing the unlocking of the angle adjustment structure.

[0022] Beneficial effects of the present invention:

[0023] The present invention can quickly install and disassemble two rotating connected devices through the above technical solution without using tools, and the angle adjustment operation is simple, convenient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a structural schematic diagram of the quick-release angle adjustment structure according to an embodiment of the present invention;

[0025] Figure 2 is a schematic diagram of an exploded structure of the quick-release angle adjustment structure according to an embodiment of the present invention;

[0026] Figure 3 is a structural schematic diagram of the application of the quick-release angle adjustment structure according to an embodiment of the present invention;

[0027] Figure 4 It is a schematic diagram of the assembly structure of the quick-release angle adjustment structure according to the embodiment of the present invention;

[0028] Figure 5 is a schematic cross-sectional view of the application of the quick-release angle adjustment structure according to an embodiment of the present invention;

[0029] Figure 6 It is another cross-sectional structural schematic diagram of the application of the quick-release angle adjustment structure described in the embodiment of the present invention.

[0030] Figure numerals: 100, shaft portion, 101, limited position, 102, shaft area, 200, angle positioning plate, 201, locking position, 202, through hole, 300, locking portion, 301, operating portion, 302, locking bayonet, 303, spring, 400, shaft limiting portion, 500, bearing seat, 501, first shaft hole, 502, second shaft hole, 600, first component, 700, second component, 701, first mounting hole. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0032] like Figure 1-6 As shown, a quick-release angle adjustment structure according to an embodiment of the present invention includes a shaft portion 100, an angle positioning plate 200 and a locking portion 300. The shaft portion 100 is installed on a first device 600 and inserted on a second device 700, so that the first device 600 and the second device 700 can be assembled and connected to each other in a relatively rotatable manner. The specific structure may be: the quick-release angle adjustment structure also includes a shaft limiting portion 400, the shaft limiting portion 400 is mounted on the second device 700, extends into the second device 700, is connected to the shaft portion 100, and limits the separation of the shaft portion 100 from the second device 700; wherein, the surface of the shaft portion 100 is provided with a limiting clamping position 101, the second device 700 is provided with a first mounting hole 701, the first mounting hole 701 is located in the middle position of the angle positioning disk 200, and its center line passes through the center of the circle where the locking position 201 with a circular or arc distribution is located; the shaft portion 100 passes through the first device 600 and is assembled in the first mounting hole 701, one end of the shaft limiting portion 400 extends into the first mounting hole 701 and is clamped on the limiting clamping position 101, thereby realizing the rapid installation of the first device 600 and the second device 700, and no tools are needed, the operation is simple and convenient, and the disassembly is also quick.

[0033] The angle positioning disk 200 may be a circular disk mounted on the second device 700, and a surface of the angle positioning disk 200 on one side facing the first device 600 is provided with a plurality of locking positions 201 distributed in a circular shape, and the shaft portion 100 passes through a through hole 202 provided in the middle of the angle positioning disk 200, and its axis passes through the center of the circle where the locking positions 201 distributed in a circular shape are located; of course, the angle positioning disk 200 may also be provided with more than two locking positions 201 distributed in an arc shape, and the axis of the shaft portion 100 passes through the center of the circle where the locking positions 201 distributed in an arc shape are located).

[0034] The locking part 300 is installed on the first device 600, and the locking part 300 can move toward the direction of the second device 700 to be stuck in one of the locking positions 201 to achieve the angle locking of the first device 600, and can move in the direction away from the second device 700 to be separated from the locking position 201 to achieve the angle unlocking of the first device 600. The specific structure can be: the locking part 300 is a locking rod, which can be axially moved and rotatably assembled on the first device 600, and the outer end thereof is provided with an operating part 301, and the inner end passes through the first device 600 and can be detachably stuck in one of the locking positions 201 of the angle positioning disk 200. When adjusting the first device 600, it is only necessary to operate the locking part 300 and separate the locking part 300 from the locking position 201 of the angle positioning disk 200, which is simple, convenient and quick to operate.

[0035] Preferably, the operating portion 301 is provided with a locking bayonet 302, and the outer end of the locking portion 300 is provided with a spring 303, and the two ends of the spring 303 respectively abut against the first device 600 and the locking portion 300 (operating portion 301); after the angle adjustment of the first device 600 is completed, the locking portion 300 is operated (pressed inwardly) so that its inner end is stuck on the locking position 201, and then the locking bayonet 302 is detachably stuck to the first device 600, and the locking portion 300 is locked, thereby realizing the locking of the angle adjustment structure; when the first device 600 is required, When adjusting the angle of the device 600, it is only necessary to separate the locking bayonet 302 from the first device 600, and the spring 303 will drive the inner end of the locking part 300 to automatically separate from the locking position 201, thereby unlocking the angle adjustment structure, further improving the convenience and efficiency of the angle adjustment, and also enhancing the force of the locking bayonet 302 to clamp the first device 600, so that the stability and reliability of the connection between the locking bayonet 302 and the first device 600 are improved, thereby avoiding the risk of accidental loosening or separation of the inner end of the locking part 300 and the locking position 201, and having high safety in use.

[0036] Of course, a tension spring may also be provided at the outer end of the locking portion 300, and the two ends of the tension spring are respectively connected to the first device 600 and the locking portion 300. The tension spring enables the locking portion 300 to automatically move axially inward after the outward pulling force is eliminated, until the inner end is automatically stuck in one of the locking positions 201, and then the locking bayonet 302 is detachably stuck to the first device 600, thereby locking the angle adjustment structure, which also improves the convenience and efficiency of the angle adjustment; on the contrary, after the locking bayonet 302 is separated from the first device 600, the locking portion 300 is pulled outward until the inner end is separated from the locking position 201, thereby unlocking the angle adjustment structure.

[0037] like Figure 1, 2, 4, 5, 6, the quick-release angle adjustment structure of the present invention further includes a bearing seat 500, the bearing seat 500 is installed in the first device 600, and is provided with a first shaft hole 501 and a second shaft hole 502, the shaft portion 100 has a shaft area 102, the shaft area 102 is rotatably assembled in the first shaft hole 501, and the locking portion 300 is axially movable and rotatably assembled in the second shaft hole 502. By adopting the above structure, on the one hand, the operability of the rotation control of the first device 600 is improved, and the difficulty of the angle control of the first device 600 is reduced; on the other hand, the rotation stability and reliability of the first device 600 are enhanced; on the third hand, the load-bearing capacity of the locking portion 300 is enhanced, and the locking performance is improved.

[0038] Of course, the limiting position 101 can also be an annular groove arranged on the circumferential surface of the shaft portion 100, and one end of the shaft limiting portion 400 can be movably clamped in the annular groove, so that the shaft portion 100 can be rotatably assembled in the first mounting hole 701, and the shaft portion 100 is fixedly connected to the first device 600.

[0039] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A quick-release angle adjustment structure, characterized in that: include: The rotating shaft part (100) is installed on the first device (600) and inserted into the second device (700), so that the first device (600) and the second device (700) are assembled and connected in a relatively rotatable manner; An angle positioning disk (200) is mounted on the second device (700), and a surface on one side facing the first device (600) is provided with two or more locking positions (201) distributed in an annular shape or in an arc shape, the rotating shaft portion (100) passes through the angle positioning disk (200), and its axis passes through the center of the circle where the locking positions (201) distributed in an annular shape or in an arc shape are located; And a locking portion (300) is installed on the first device (600), and the locking portion (300) can move in the direction of the second device (700) to be stuck in one of the locking positions (201), thereby achieving angular locking of the first device (600), and can move in the direction away from the second device (700) to be separated from the locking position (201), thereby achieving angular unlocking of the first device (600).

2. The quick-release angle adjustment structure according to claim 1, characterized in that: The invention also comprises a rotation axis limiting part (400), wherein the rotation axis limiting part (400) is installed on the second device (700), extends into the second device (700), is connected with the rotation axis part (100), and limits the rotation axis part (100) from being separated from the second device (700).

3. The quick-release angle adjustment structure according to claim 2, characterized in that: The surface of the rotating shaft portion (100) is provided with a limiting clamping position (101), and the second component (700) is provided with a first mounting hole (701), the first mounting hole (701) is located in the middle position of the angle positioning disk (200), and the center line of the first mounting hole passes through the center of the circle where the locking position (201) distributed in an annular or arc shape is located; the rotating shaft portion (100) passes through the first component (600) and is assembled in the first mounting hole (701), and one end of the rotating shaft limiting portion (400) extends into the first mounting hole (701) and is clamped on the limiting clamping position (101).

4. The quick-release angle adjustment structure according to claim 3, characterized in that: The rotating shaft portion (100) has a rotating shaft area (102), and the first component (600) is rotatably mounted on the rotating shaft area (102); The locking portion (300) is a locking rod, which is axially movable and rotatably assembled on the first device (600), and an operating portion (301) is provided at its outer end, and the inner end is detachably clamped on one of the locking positions (201) of the angle positioning disk (200) after passing through the first device (600).

5. The quick-release angle adjustment structure according to claim 4, characterized in that: The operating portion (301) is provided with a locking bayonet (302), and the locking bayonet (302) can detachably clamp the first component (600) to lock the locking portion (300) whose inner end is clamped in the locking position (201), thereby achieving locking of the angle adjustment structure; The outer end of the locking portion (300) is provided with a spring (303), and the two ends of the spring (303) respectively abut against the first device (600) and the locking portion (300), so that the inner end of the locking portion (300) is automatically separated from the locking position (201) when the locking bayonet (302) is separated from the first device (600), thereby realizing the unlocking of the angle adjustment structure.

6. The quick-release angle adjustment structure according to claim 4, characterized in that: The operating portion (301) is provided with a locking bayonet (302), and the outer end of the locking portion (300) is provided with a tension spring, and the two ends of the tension spring are respectively connected to the first device (600) and the locking portion (300), so that the locking portion (300) automatically moves axially inward after the outward pulling force is eliminated, and the inner end is automatically stuck in one of the locking positions (201), and then the locking bayonet (302) is detachably stuck to the first device (600), and the locking portion (300) whose inner end is stuck in the locking position (201) is locked, so as to achieve the locking of the angle adjustment structure; the locking bayonet (302) is separated from the first device (600), and the locking portion (300) is pulled outward until the inner end is separated from the locking position (201), so as to achieve the unlocking of the angle adjustment structure.

7. The quick-release angle adjustment structure according to any one of claims 4, 5 and 6, characterized in that: It also includes a bearing seat (500), which is installed in the first device (600) and is provided with a first axial hole (501) and a second axial hole (502). The rotating shaft area (102) of the rotating shaft part (100) can be rotatably assembled in the first axial hole (501), and the locking part (300) can be axially moved and rotatably assembled in the second axial hole (502).

8. The quick-release angle adjustment structure according to claim 3, characterized in that: The limiting clamping position (101) is an annular groove arranged on the peripheral surface of the rotating shaft portion (100), and one end of the rotating shaft limiting portion (400) is movably clamped in the annular groove, so that the rotating shaft portion (100) can be rotatably assembled in the first mounting hole (701), and the rotating shaft portion (100) is fixedly connected to the first component (600).

9. The quick-release angle adjustment structure according to claim 8, characterized in that: The locking portion (300) is a locking rod, which is axially movable and rotatably assembled on the first device (600), and an operating portion (301) is provided at its outer end, and the inner end is detachably clamped on one of the locking positions (201) of the angle positioning disk (200) after passing through the first device (600).

10. The quick-release angle adjustment structure according to claim 9, characterized in that: The operating portion (301) is provided with a locking bayonet (302), and the locking bayonet (302) can detachably clamp the first component (600) to lock the locking portion (300) whose inner end is clamped in the locking position (201), thereby achieving locking of the angle adjustment structure; The outer end of the locking portion (300) is provided with a spring (303), and the two ends of the spring (303) respectively abut against the first device (600) and the locking portion (300), so that the inner end of the locking portion (300) is automatically separated from the locking position (201) when the bayonet (302) and the first device (600) are locked, thereby realizing unlocking of the angle adjustment structure; or, The outer end of the locking portion (300) is provided with a tension spring, and the two ends of the tension spring are respectively connected to the first device (600) and the locking portion (300), so that the locking portion (300) automatically moves axially inward after the outward pulling force is eliminated, and the inner end is automatically clamped on one of the locking positions (201), and then the locking bayonet (302) is detachably clamped on the first device (600); the locking bayonet (302) is separated from the first device (600), and the locking portion (300) is pulled outward until the inner end is separated from the locking position (201), thereby realizing the unlocking of the angle adjustment structure.

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