WO2021217461A1

WO2021217461A1 - Quick-release structure, photographing device and movable platform

Info

Publication number: WO2021217461A1
Application number: PCT/CN2020/087621
Authority: WO
Inventors: 田赫
Original assignee: 深圳市大疆创新科技有限公司
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-11-04
Also published as: CN113853549A

Abstract

Disclosed is a quick-release structure (100). The quick-release structure comprises a first housing (10) and a second housing (20). The first housing (10) comprises a first body (12) and an extending wall (14); a hollow cavity (120) is formed by means of enclosure by a side wall of the first body (12); the extending wall (14) extends into the hollow cavity (120) from an inner surface of the side wall; the extending wall (14) comprises a clamping portion (142); the second housing (20) comprises a second body (22) and a clamping member (24) arranged on the second body (22); and the clamping member (24) extends into the hollow cavity (120) and is in detachable clamping fit with the clamping portion (142). Further disclosed are a photographing device (1000) and a movable platform (3000).

Description

Quick release structure, shooting equipment and movable platform

Technical field

This application relates to the technical field of photographing equipment, in particular to a quick-release structure, photographing equipment and a movable platform.

Background technique

Various commonly used shooting devices are becoming more and more diversified, with powerful and rich functions and usage modes to meet the ever-changing shooting needs. As a standing accessory of the photographing device, the hood or the first housing equipped with a light reduction mirror (ND mirror) is usually set at the light entrance of the second housing of the photographing device. But sometimes shooting does not require a light-reducing filter (ND lens), or it is necessary to replace a different light-reducing filter (ND lens) or hood. Therefore, the light-reducing filter (ND lens) or hood in many shooting devices on the market is not required. It is detachable.

However, the hood or the first housing equipped with the ND mirror is usually installed on the second housing by screw fastening. The disadvantage of this installation method is that the installation and removal are time-consuming and laborious. And tools are needed. However, screws are often lost or tools are not found, which is very inconvenient.

Summary of the invention

The embodiments of the present application provide a quick release structure, shooting equipment, and a movable platform.

The quick release structure of the embodiment of the present application includes a first housing and a second housing. The first housing includes a first body and an extension wall. A side wall of the first body encloses a hollow cavity. The extension wall extends from an inner surface of the side wall into the hollow cavity. The wall includes a snap part. The second housing includes a second body and an engaging member arranged on the second body. The engaging member extends into the hollow cavity and is detachably engaged with the engaging portion to attach The second housing is detachably mounted on the first housing.

The photographing equipment of the embodiment of the present application includes a quick-release structure and a photographing device. The quick release structure includes a first shell and a second shell. The first housing includes a first body and an extension wall. A side wall of the first body encloses a hollow cavity. The extension wall extends from an inner surface of the side wall into the hollow cavity. The wall includes a snap part. The second housing includes a second body and an engaging member arranged on the second body. The engaging member extends into the hollow cavity and is detachably engaged with the engaging portion to attach The second housing is detachably mounted on the first housing. The imaging device is housed in the hollow cavity, and the imaging device and the second housing are respectively located at two ends of the first housing.

The movable platform of the embodiment of the present application includes a movable platform body and a photographing device. The photographing equipment is installed on the movable platform body. The photographing equipment includes a quick-release structure and a photographing device. The quick release structure includes a first shell and a second shell. The first housing includes a first body and an extension wall. A side wall of the first body encloses a hollow cavity. The extension wall extends from an inner surface of the side wall into the hollow cavity. The wall includes a snap part. The second housing includes a second body and an engaging member arranged on the second body. The engaging member extends into the hollow cavity and is detachably engaged with the engaging portion to attach The second housing is detachably mounted on the first housing. The imaging device is housed in the hollow cavity, and the imaging device and the second housing are respectively located at two ends of the first housing.

In the quick release structure, the shooting device and the movable platform of the embodiment of the present application, the engaging member of the second housing extends into the hollow cavity to be detachably engaged with the engaging part of the first housing, so that the second housing can be realized. The body is detachably installed on the first shell, so as to meet the requirement of quick disassembly and assembly of the second shell from the first shell, which is quick and convenient, and does not require additional tools or accessories for disassembly and assembly.

The additional aspects and advantages of the embodiments of the present application will be partly given in the following description, and part of them will become obvious from the following description, or be understood through the practice of the present application.

Description of the drawings

The above-mentioned and/or additional aspects and advantages of the present application will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

FIG. 1 is a schematic diagram of the structure of a movable platform according to some embodiments of the present application;

FIG. 2 is a three-dimensional exploded schematic diagram of a photographing device according to some embodiments of the present application;

FIG. 3 is a three-dimensional exploded schematic diagram of the photographing device shown in FIG. 2 from another perspective;

4 is a schematic plan view of the first housing of the quick-release structure in the photographing device shown in FIG. 2;

5 is a schematic diagram of a three-dimensional structure of a second housing of the quick-release structure in the photographing device shown in FIG. 3;

Figure 6 is a front view of the second housing in Figure 5;

Figure 7 is a top view of the second housing in Figure 5;

Fig. 8 is a schematic front view assembly cross-sectional view of the photographing device shown in Fig. 2;

9 is a schematic diagram of a rear view assembly cross-sectional view of the photographing device shown in FIG. 2;

FIG. 10 is a schematic side view assembly cross-sectional view of the photographing device shown in FIG. 2;

11 is a schematic diagram of the assembly three-dimensional structure of the quick-release structure in the photographing equipment shown in FIG. 3;

FIG. 12 is a schematic plan view of the first housing of the quick-release structure in the photographing device of some embodiments of the present application;

FIG. 13 is a top view of the second housing of the quick-release structure in the photographing device according to some embodiments of the present application.

14 is a schematic diagram of a three-dimensional structure of a second housing of a quick-release structure in a photographing device according to some embodiments of the present application;

Figure 15 is a front view of the second housing in Figure 14;

Figure 16 is a top view of the second housing in Figure 14;

FIG. 17 is a schematic top view assembly cross-sectional view of the photographing device in FIG. 14.

Detailed ways

The implementation of the present application will be further described below in conjunction with the accompanying drawings. The same or similar reference numerals in the drawings indicate the same or similar elements or elements with the same or similar functions throughout.

In addition, the implementation manners of the present application described below in conjunction with the drawings are exemplary, and are only used to explain the implementation manners of the present application, and should not be construed as limiting the application.

In this application, unless expressly stipulated and defined otherwise, the first feature “on” or “under” the second feature may be in direct contact with the first and second features, or the first and second features may be indirectly through an intermediary. touch. Moreover, the "above", "above" and "above" of the first feature on the second feature may mean that the first feature is directly above or diagonally above the second feature, or it simply means that the level of the first feature is higher than the second feature. The “below”, “below” and “below” of the second feature of the first feature may be that the first feature is directly below or obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.

Referring to FIG. 1, FIG. 2 and FIG. 3, an embodiment of the present application provides a movable platform 3000. The movable platform 3000 includes a movable platform body 2000 and a photographing device 1000. The photographing device 1000 is installed on the movable platform body 2000. The photographing equipment 1000 includes a quick release structure 100 and a photographing device 110. The quick release structure 100 includes a first housing 10 and a second housing 20. The first housing 10 includes a first body 12 and an extension wall 14. The side wall of the first body 12 encloses a hollow cavity 120. The extension wall 14 extends from the inner surface of the side wall into the hollow cavity 120.部142. The second housing 20 includes a second body 22 and an engaging member 24 provided on the second body 22. The engaging member 24 extends into the hollow cavity 120 and is detachably engaged with the engaging portion 142 to detach the second housing The body 20 is detachably mounted on the first housing 10. The imaging device 110 is housed in the hollow cavity 120, and the imaging device 110 and the second housing 20 are respectively located at two ends of the first housing 10.

Among them, the movable platform 3000 may specifically be an unmanned aerial vehicle, a car, a ship, etc. The embodiment of the present application only uses the movable platform 3000 as an unmanned aerial vehicle for schematic illustration.

In the quick release structure 100, the photographing device 1000, and the movable platform 3000 of the embodiment of the present application, the engaging member 24 of the second housing 20 extends into the hollow cavity 120 and is detachably engaged with the engaging portion 142 of the first housing 10 Together, the second housing 20 can be detachably mounted on the first housing 10, so as to meet the requirement of quick disassembly and assembly of the second housing 20 from the first housing 10, which is fast and convenient, and does not require additional equipment. Tools or accessories for disassembly and assembly.

Specifically, referring to FIG. 2, the quick release structure 100 includes a first housing 10 and a second housing 20. When the quick release structure 100 is applied to the photographing device 110, the first housing 10 may be a front housing for accommodating the photographing device 110, and the second housing 20 may be a light shield or a light reduction mirror (ND mirror). When the quick release structure 100 is applied to other functional devices, such as a lighting device, the first housing 10 may be a front housing for accommodating the lighting device, and the second housing 20 is equipped with a lampshade. In other words, the quick release structure 100 can be applied to different functional devices, and the embodiments of the present application only take the quick release structure 100 applied to the photographing device 110 to form the photographing device 1000 as an example for description.

Please refer to FIGS. 2 and 3 together. The first housing 10 includes a first body 12, an extension wall 14, and a stop member 16.

The sidewall of the first body 12 encloses a hollow cavity 120. Wherein, in an example, the first body 12 may be a polygonal column structure. Correspondingly, there are multiple sidewalls of the first body 12, such as three, four, five, or more. In another example, the first body 12 may also have a cylindrical structure. Correspondingly, there is one side wall of the first body 12. In this embodiment, the first body 12 has four side walls, and the four side walls collectively enclose the hollow cavity 120.

The extension wall 14 extends from the inner surface of the side wall into the hollow cavity 120, and the extension wall 14 includes a locking portion 142 and an elastic arm 144.

Please refer to FIG. 4, the number of the engaging portions 142 is multiple, and the multiple engaging portions 142 are evenly distributed around the central axis OO1 of the hollow cavity 120. In the embodiment of the present application, the number of the engaging portions 142 is four, and the four engaging portions 142 are respectively located at the four corners of the extension wall 14 for description. In other embodiments, the number of the engaging portions 142 may also be one, two, three, five, six, or more.

2 to 4 together, the engaging portion 142 includes a first surface 1421 and a second surface 1422 opposite to each other, the first surface 1421 of the engaging portion 142 is closer to the second body 22, that is, the engaging portion 142 The first surface 1421 is opposite to the first surface 222 of the second body 22. Each engaging portion 142 is provided with a sliding groove 1420 passing through, and the engaging member 24 extends into the sliding groove 1420 and is engaged with the second surface 1422 of the engaging portion 142. On a plane perpendicular to the central axis OO1 of the hollow cavity 120 (that is, the optical axis of the imaging device 110), the sliding groove 1420 is spaced from the hollow cavity 120. It can be understood that the engaging portion 142 described in the present application may also be in other forms, such as a non-penetrating chute, a protrusion, etc. The embodiment of the present application only uses the penetrating chute 1420 as an example for description.

The sliding groove 1420 includes a first sub groove 1423 and a second sub groove 1424 that are connected, and the opening size of the first sub groove 1423 is larger than the opening size of the second sub groove 1424. The sliding groove 1420 includes a first inner side surface 1425 and a second inner side surface 1426 opposite to each other. The first inner side surface 1425 is closer to the hollow cavity 120 than the second inner side surface 1426. The sliding groove 1420 further includes an end surface 1427. In one embodiment, the first inner side surface 1425 is arcuate, and the second inner side surface 1426 is also arcuate. In one embodiment, the plurality of first inner surfaces 1425 of the plurality of engaging portions 142 are located on the circumference of the same circle, and the same circle is centered on a point on the central axis OO1 of the hollow cavity 120. In yet another embodiment, the plurality of second inner surfaces 1426 of the plurality of engaging portions 142 are located on the circumference of the same circle, and the same circle is centered on a point on the central axis OO1 of the hollow cavity 120. In another embodiment, the plurality of first inner surfaces 1425 of the plurality of engaging portions 142 are located on the circumference of the same first circle, the first circle is centered at a point on the central axis OO1 of the hollow cavity 120, and The plurality of second inner surfaces 1426 of the plurality of engaging portions 142 are also located on the circumference of the same second circle, the second circle is also centered on a point on the central axis OO1 of the hollow cavity 120, and the radius of the second circle is greater than The radius of the first circle.

Please continue to refer to FIGS. 2 to 4 together. The elastic arm 144 is disposed on the engaging portion 142, and the elastic arm 144 extends from the engaging portion 142 and is suspended in the air. The elastic arm 144 is used to apply a force to the second housing 20, and the force makes the engaging member 24 tightly engage with the second surface 1422 of the engaging portion 142. In one embodiment, the direction of the force is parallel to the central axis 001 of the hollow cavity 120 to restrict the movement of the second housing 20 in the direction of the central axis of the hollow cavity 120. Each elastic arm 144 includes a connecting end 1442 connected to the engaging portion 142 and a free end 1444 that is suspended. The free end 1444 is provided with a protrusion 1446, the elastic arm 144 is formed with a recess 1448 facing the second housing 20, and the recess 1448 is located between the free end 1444 and the connecting end 1442. The number of the elastic arms 144 may be one or more, for example, the number of the elastic arms 144 is two, the two elastic arms 144 are located on opposite sides of the extension wall 14, and each elastic arm 144 is located at two adjacent engaging portions 142 between. It can be understood that, in some embodiments, the elastic arm 144 may also have other ways, for example, arranged in another position, or designed to be integrated with the engaging member 24. In the embodiment of the present application, only the elastic arm 144 is arranged on the engaging part. Take 142 as an example.

The material of the elastic arm 144 may be plastic or metal or other types of materials to achieve the purpose of reducing structural rigidity, reducing stress, and extending life. It can be understood that the material of the elastic arm 144 can be selected according to different design requirements.

The stop member 16 is used to stop the engaging member 24. In the embodiment shown in FIG. 2 and FIG. 3, the stop member 16 is the end surface 1427 of the sliding groove 1420. It can be understood that, in some embodiments, the stop member 16 may also be a cantilever extending from the first body 12 or the extension wall 14. In some embodiments, the cantilever is provided with a convex point that cooperates with the engaging member 24. The embodiment of the present application only takes the stop member 16 as the end surface 1427 of the sliding groove 1420 as an example for description. In one embodiment, the number of the stoppers 16 and the engaging portions 142 are the same, and the number of the stoppers 16 and the engaging portions 142 are one-to-one. For example, the number of the engaging portions 142 is four, and the number of the stoppers 16 is four. The number is also four, and the four stoppers 16 correspond to the four engaging portions 142 one-to-one. In this way, the arrangement of the stopper 16 and the engaging portion 142 in a one-to-one correspondence makes it possible to effectively stop the engaging element 24 without being blocked.

In another embodiment, the number of the stop members 16 is less than the number of the engaging portions 142, and each stop member 16 is disposed on a different engaging portion 142. For example, the number of the engaging portions 142 is four. The number of the stop members 16 is only two, and the two stop members 16 are respectively disposed on the two engaging portions 142 therein. The arrangement in which the number of the stop members 16 is less than the number of the engaging portions 142 can realize the blocking of the engaging members 24 with a simpler structure, which simplifies the production process.

In still another embodiment, the number of the stopper 16 is multiple, and the number of the engaging portion 142 is also multiple, but the number of the stopper 16 is less than the number of the engaging portion 142. Wherein, each stopper 16 is arranged on a different engaging portion 142, and there is at least one engaging portion not provided with the stopper 16 between two adjacent engaging portions 142 provided with the stopper 16部142. For example, as shown in FIG. 4, the number of the engaging portions 142 is four, and the central axis OO1 surrounding the hollow cavity 120 is sequentially the first engaging portion 142a, the second engaging portion 142b, the third engaging portion 142c, and the second engaging portion 142c. There are four engaging portions 142d, the number of the stoppers 16 is two, which are the first stopper 161 and the second stopper 162 respectively. The first stopper 161 is disposed on the first engaging portion 142a, and the second stopper 161 The stopper 162 is provided on the third engaging portion 142c, and the stopper 16 is not provided on the second engaging portion 142b and the fourth engaging portion 142d. Similarly, the arrangement in which the number of the stop members 16 is less than the number of the engaging portions 142 can realize the blocking of the engaging members 24 with a simpler structure, which simplifies the production process. In addition, there is at least one engaging portion 142 not provided with the stop member 16 between two adjacent engaging portions 142 provided with the stop member 16, so that the stopping force can be evenly distributed to the surroundings and the stopper can be improved. Effect.

Please refer to FIG. 3, the second housing 20 includes a second body 22, an engaging member 24 and a boss 26.

5-7, the second body 22 includes a first surface 222 and a second surface 224 opposite to each other, the first surface 222 of the second body 22 is opposite to the first surface 1421 of the engaging portion 142, and the second body A through hole 220 is opened at 22, and the through hole 220 penetrates the first surface 222 and the second surface 224 of the second body 22. The first surface 222 of the second body 22 is provided with an escape groove 221, and the escape groove 221 does not communicate with the through hole 220 at intervals.

The engaging elements 24 are disposed on the first surface 222 of the second body 22, and the engaging elements 24 are evenly distributed around the central axis of the through hole 220. The engaging member 24 extends into the hollow cavity 120 and is detachably engaged with the engaging portion 142, so that the second housing 20 is detachably mounted on the first housing 10, and the second housing 20 is mounted on the first housing. When the housing 10 is on, the central axis of the through hole 220 coincides with the central axis OO1 of the hollow cavity 120. Specifically, the engaging member 24 can be screwed in or out around the central axis OO1 of the hollow cavity 120 after extending into the sliding groove 1420 to selectively engage with or disengage from the second surface 1422 of the engaging portion 142.

Please refer to FIGS. 3 and 5 together. More specifically, the engaging member 24 includes a rod 242 and a blocking block 246 extending from the rod 242. The rod body 242 includes a first outer side surface 2422 and a second outer side surface 2424. In one embodiment, the first outer side surface 2422 is arcuate, and the second outer side surface 2424 is also arcuate. The blocking block 246 extends from the second outer side surface 2424 in a direction away from the first outer side surface 2422. The locking block 246 corresponds to the first sub-slot 1423, and the rod body 242 corresponds to the second sub-slot 1424. The locking block 246 extends into the first sub-slot 1423, and the rod body 242 can move along the second sub-slot 1424 so that the locking block 246 is engaged with the second surface 1422 of the engaging portion 142.

In one embodiment, the first outer side surface 2422 is an arc surface, the first inner side surface 1425 is an arc surface, and the multiple first inner side surfaces 1425 of the multiple engaging portions 142 are located on the circumference of the same circle. Taking the point on the central axis OO1 of the hollow cavity 120 as the center of the circle, correspondingly, the multiple first outer surfaces 2422 of the multiple engaging members 24 are located on the circumference of the same circle, and the same circle is defined by the central axis of the through hole 220 The point above is the center of the circle. Therefore, when the rod body 242 moves along the second sub-slot 1424, since the first inner side surface 1425 and the first outer side surface 2422 are part of the circumference, the cooperation of the two can play a good guiding role.

In another embodiment, the second outer side surface 2424 is an arc surface, the second inner side surface 1426 is an arc surface, and the plurality of second inner side surfaces 1426 of the plurality of engaging portions 142 are located on the circumference of the same circle. The circle takes the point on the central axis OO1 of the hollow cavity 120 as the center. Correspondingly, the plurality of second outer sides 2424 of the plurality of engaging members 24 are located on the circumference of the same circle, and the same circle is centered on the through hole 220 The point on the axis is the center of the circle. Therefore, when the rod body 242 moves along the second sub-slot 1424, since the second inner side surface 1426 and the second outer side surface 2424 both belong to a part of the circumference, the cooperation of the two can play a good guiding role.

In another embodiment, when the plurality of first inner surfaces 1425 of the plurality of engaging portions 142 are located on the circumference of the same first circle, the first circle is centered on a point on the central axis OO1 of the hollow cavity 120, And the plurality of second inner surfaces 1426 of the plurality of engaging portions 142 are also located on the circumference of the same second circle, the second circle is also centered on the point on the central axis OO1 of the hollow cavity 120, and the radius of the second circle Greater than the radius of the first circle. Correspondingly, the plurality of first outer sides 2422 of the plurality of engaging members 24 are located on the circumference of the same third circle, the third circle is centered on a point on the central axis of the through hole 220, and the plurality of engaging members The multiple second outer surfaces 2424 of the 24 are located on the circumference of the same fourth circle, the fourth circle is centered on the point on the central axis of the through hole 220, and the radius of the fourth circle is greater than the radius of the third circle. Therefore, when the rod body 242 moves along the second sub-slot 1424, since the first inner side surface 1425 and the first outer side surface 2422 are part of the circumference, the first inner side surface 1425 and the first outer side surface 2422 can cooperate well. The second inner side surface 1426 and the second outer side surface 2424 are part of the circumference, and the second inner side surface 1426 and the second outer side surface 2424 cooperate to further play a good guiding role.

Please refer to FIGS. 2 and 8 to 11 together. When the second housing 20 needs to be installed on the first housing 10, the clamping block 246 can extend into the first sub-slot 1423, and the rod 242 is along the second sub-slot 1424 rotates clockwise around the central axis OO1 of the hollow cavity 120, and the clamping block 246 is gradually engaged with the second surface 1422 of the engaging portion 142 until the stop member 16 stops the rod 242 from moving along the second sub-slot 1424 (rod 242 If it conflicts with the end surface 1427), the engaging member 24 can be screwed in to fix the second housing 20 to the first housing 10. At this time, the first outer side surface 2422 conflicts with the first inner side surface 1425, and the second outer side surface 2424 conflicts with the second inner side surface 1426, and the movement of the engaging member 24 in the central axis OO1 of the vertical hollow cavity 120 is limited.

When the second housing 20 is installed on the first housing 10, if the rod body 242 rotates counterclockwise along the second sub-slot 1424 around the central axis OO1 of the hollow cavity 120, until the locking block 246 and the engaging portion 142 are formed The two sides 1422 are separated, and then the clamping block 246 is taken out from the first sub-slot 1423 to realize the screwing out of the clamping member 24 and the second housing 20 to be detached from the first housing 10.

The number of the engaging members 24 is multiple. In one embodiment, the multiple engaging members 24 can rotate along the circumference of the same circle. ) Is the center of the circle. In another embodiment, the plurality of engaging members 24 can rotate along the circumference of a plurality of concentric circles, and the plurality of concentric circles are centered on a point on the central axis OO1 of the hollow cavity 120 (the central axis of the through hole 220). . In this embodiment, the extension direction of the elastic arm 144 is consistent with the screw-out direction of the engaging member 24, and the end surface 1427 corresponds to the terminal end of the screw-in direction of the engaging member 24.

In the embodiment shown in FIG. 2, the number of the engaging members 24 is the same as the number of the engaging portions 142 and both are multiple, and the multiple engaging members 24 correspond to the multiple engaging portions 142 one-to-one. In one embodiment, the multiple engaging members 24 are all the same, and the multiple engaging portions 142 are also the same, which facilitates the production of the second housing 20 and the first housing 10. In another embodiment, at least one engaging portion 142 is different from other engaging portions 142, and at least one engaging member 24 is different from other engaging members 24. For example, the size of the sliding groove 1420 on the at least one engaging portion 142 is different from the size of the sliding groove 1420 on the other engaging portions 142, and the size of the at least one engaging component 24 is different from the size of the other engaging components 24, so, The at least one engaging part 142 is designed to be different from the other engaging parts 142, and the at least one engaging part 24 is designed to be different from the other engaging parts 24, so that the second housing 20 can be installed in the first according to a certain installation orientation. On the shell 10, reverse installation is avoided, and the effect is foolproof.

The embodiment shown in the drawings of the present application only takes the number of the engaging members 24 as four, and the four engaging members 24 are respectively located at the four corners of the second body 22 for description. Of course, the difference between at least one engaging portion 142 and the other engaging portions 142 is not limited to the above-mentioned difference in size, and may also mean that the structure, shape, etc. of the engaging portion 142 are different. Correspondingly, at least one engaging component 24 is different from other engaging components 24, and is not limited to the above-mentioned size difference, and it can also mean that the structure, shape, etc. of the engaging component 24 are different.

Referring to FIGS. 3 and 5 to 7, the bosses 26 are provided on the first surface 222 of the second body 22, and the number of bosses 26 can correspond to the number of the elastic arms 144, that is, there can be one or more. For example, the number of bosses 26 is two, and the two bosses 26 are evenly distributed around the central axis of the through hole 220. In this embodiment, the two bosses 26 are distributed on opposite sides of the second body 22, and the escape groove 221 is provided on at least one side of the second body 22 adjacent to the boss 26.

8 to 11, when the engaging member 24 extends into the sliding groove 1420, the boss 26 is located outside the free end 1444 of the corresponding elastic arm 144, when the engaging member 24 is rotated around the central axis OO1 of the hollow cavity 120 When entering, the boss 26 climbs over the free end 1444 of the corresponding elastic arm 144 and abuts against the surface of the elastic arm 144 facing the second housing 20, and the boss 26 can be engaged in the recess 1448, and the elastic arm 144 and The cooperation of the boss 26 makes it possible to produce step deformation during the screwing process of the engaging member 24 to create a sense of gear. Moreover, after the second housing 20 is installed in the first housing 10, the elastic arm 144 can provide a torque The rod body 242 is pushed toward the stop member 16 (end surface 1427). In one embodiment, the protrusion 1446 is an arc surface, and the protrusion 26 is also an arc surface, so that the protrusion 26 is easier to climb over the free end 1444 of the corresponding elastic arm 144 and can better engage with the recess 1448. When the engaging member 24 is screwed around the central axis OO1 of the hollow cavity 120, the avoiding groove 221 can avoid the imaging device 110 at the other end of the hollow cavity 120, so as to prevent the second housing 20 and the imaging device 110 from being generated. The interference and collision ensure that the imaging device 110 is not damaged due to the installation of the second housing 20.

In some embodiments, the sliding groove 1420 communicates with the hollow cavity 120 in a direction perpendicular to the central axis 001 of the hollow cavity 120. At this time, the engaging member 24 is easier to engage with the engaging portion 142, and the installation is more convenient.

It can be understood that referring to FIGS. 2 to 5, the plurality of engaging portions 142 are not limited to being evenly distributed on the same circle around the central axis OO1 of the hollow cavity 120, and the plurality of engaging portions 142 may also surround the center axis of the hollow cavity 120. The central axis OO1 is distributed on different circles, and the engaging portions 142 on each circle may be evenly distributed around the center of the hollow cavity 120, or may be unevenly distributed. In an example, the first outer side surface 2422 is an arc surface, the first inner side surface 1425 is an arc surface, the plurality of first inner side surfaces 1425 of the plurality of engaging portions 142 are located on the circumference of the plurality of concentric circles, and the plurality of concentric circles The same point on the central axis OO1 of the hollow cavity 120 is taken as the center; correspondingly, the first outer sides 2422 of the plurality of engaging members 24 are also located on the circumference of the plurality of concentric circles, and the plurality of concentric circles are all through The same point on the central axis of the hole 220 is the center of the circle. In another example, the second outer side surface 2424 is an arc surface, the second inner side surface 1426 is an arc surface, the plurality of second inner side surfaces 1426 of the plurality of engaging portions 142 are located on the circumference of the plurality of concentric circles, and the plurality of concentric circles The circles are centered at the same point on the central axis OO1 of the hollow cavity 120; correspondingly, the plurality of second outer surfaces 2424 of the plurality of engaging members 24 are located on the circumference of the plurality of concentric circles, and the plurality of concentric circles are all through The same point on the central axis of the hole 220 is the center of the circle. In another example, the plurality of first inner surfaces 1425 of the plurality of engaging portions 142 are located on the circumference of the plurality of concentric circles, and the plurality of concentric circles are centered at the same point on the central axis OO1 of the hollow cavity 120; and The plurality of second inner surfaces 1426 of the plurality of engaging portions 142 are located on the circumference of the plurality of concentric circles, and the plurality of concentric circles are centered on the same point on the central axis OO1 of the hollow cavity 120. Correspondingly, the plurality of first outer sides 2422 of the plurality of engaging members 24 are located on the circumference of the plurality of concentric circles, and the plurality of concentric circles are centered on the same point on the central axis of the through hole 220, and the plurality of clamps The plurality of second outer surfaces 2424 of the assembly 24 are located on the circumference of the plurality of concentric circles, and the plurality of concentric circles are centered on the same point on the central axis of the through hole 220.

It can be understood that, referring to FIGS. 12 and 13, the opening manner of the sliding groove 1420 is not limited to the above-mentioned manner. Correspondingly, the structure of the engaging member 24 is not limited to the above-mentioned form. Specifically, the sliding groove 1420 may include opposite The first inner side surface 1425 and the second inner side surface 1426. The first inner side surface 1425 is closer to the hollow cavity 120 than the second inner side surface 1426. The rod body 242 includes a first outer side surface 2422 and a second outer side surface 2424. The outer side surface 2424 extends in a direction away from the first outer side surface 2422 (that is, toward the central axis of the through hole). When the engaging member 24 is screwed in to fix the second housing 20 to the first housing 10, The second outer side surface 2424 conflicts with the first inner side surface 1425, and the first outer side surface 2422 conflicts with the second inner side surface 1426. at this time:

In one embodiment, the second outer side surface 2424 is an arc surface, the first inner side surface 1425 is an arc surface, and the plurality of first inner side surfaces 1425 of the plurality of engaging portions 142 are located on the circumference of the same circle. Take the point on the central axis of the hollow cavity 120 as the center of the circle. Correspondingly, the plurality of second outer surfaces 2424 of the plurality of engaging members 24 are located on the circumference of the same circle, and the same circle is centered on a point on the central axis of the through hole.

In another embodiment, the first outer side surface 2422 is an arc surface, the second inner side surface 1426 is an arc surface, and the plurality of second inner side surfaces 1426 of the plurality of engaging portions 142 are located on the circumference of the same circle. The circle takes the point on the central axis of the hollow cavity 120 as the center of the circle. Correspondingly, the plurality of first outer surfaces 2422 of the plurality of engaging members 24 are located on the circumference of the same circle, and the same circle is centered on a point on the central axis of the through hole.

In yet another embodiment, the first outer side surface 2422 is arcuate, the second outer side surface 2424 is arcuate, the first inner side surface 1425 is arcuate, and the second inner side surface 1426 is arcuate. The plurality of first inner surfaces 1425 are located on the circumference of the same first circle, the first circle is centered on a point on the central axis of the hollow cavity 120, and the plurality of second inner surfaces 1426 of the plurality of engaging portions 142 are located in the same On the circumference of a second circle, the second circle is centered on a point on the central axis of the hollow cavity 120, and the radius of the second circle is greater than the radius of the first circle. Correspondingly, the plurality of second outer side surfaces 2424 of the plurality of engaging members 24 are located on the circumference of the same third circle, and the third circle is centered on a point on the central axis of the through hole; moreover, the plurality of engaging members The multiple first outer surfaces 2422 of the 24 are located on the circumference of the same fourth circle, the fourth circle is centered on the point on the central axis of the through hole, and the radius of the fourth circle is greater than the radius of the third circle.

In one embodiment, the second outer side surface 2424 is an arc surface, the first inner side surface 1425 is an arc surface, the plurality of first inner side surfaces 1425 of the plurality of engaging portions 142 are located on the circumference of the plurality of concentric circles, and the plurality of concentric circles The circles are centered on a point on the central axis of the hollow cavity 120. Correspondingly, the plurality of second outer surfaces 2424 of the plurality of engaging members 24 are located on the circumference of the plurality of concentric circles, and the plurality of concentric circles are all centered on a point on the central axis of the through hole.

In yet another embodiment, the first outer side surface 2422 is an arc surface, the second inner side surface 1426 is an arc surface, the plurality of second inner sides 1426 of the plurality of engaging portions 142 are located on the circumference of the plurality of concentric circles, and the plurality of The concentric circles are centered on a point on the central axis of the hollow cavity 120. Correspondingly, the plurality of first outer surfaces 2422 of the plurality of engaging members 24 are located on the circumference of the plurality of concentric circles, and the plurality of concentric circles are centered on a point on the central axis of the through hole.

In yet another embodiment, the first outer side surface 2422 is arcuate, the second outer side surface 2424 is arcuate, the first inner side surface 1425 is arcuate, and the second inner side surface 1426 is arcuate. The plurality of first inner surfaces 1425 are located on the circumference of the plurality of concentric circles, the plurality of concentric circles are all centered on the point on the central axis of the hollow cavity 120, and the plurality of second inner surfaces 1426 of the plurality of engaging portions 142 are located on the plurality of On the circumference of each concentric circle, the multiple concentric circles are centered on a point on the central axis of the hollow cavity 120. Correspondingly, the plurality of second outer sides 2424 of the plurality of engaging members 24 are located on the circumference of the plurality of concentric circles, and the plurality of concentric circles are centered on a point on the central axis of the through hole; moreover, the plurality of engaging members The plurality of first outer surfaces 2422 of the 24 are located on the circumference of the plurality of concentric circles, and the plurality of concentric circles are centered on a point on the central axis of the through hole.

Please refer to FIGS. 14 to 17. In some embodiments, the second housing 20 may still include the second body 22, the engaging member 24 and the boss 26. Wherein, the through hole 220 on the second body 22 has a larger aperture than the through hole 220 shown in FIG. The structure and position of the engaging member 24 and the boss 26 in the body 20 are the same, and will not be repeated here. Since the through hole 220 on the second body 22 has a larger aperture than the through hole 220 shown in FIG. , The light weight of the imaging device 1000 and the movable platform 3000; on the other hand, the through hole 220 itself can avoid the imaging device 110 at the other end of the hollow cavity 120, avoiding interference between the second housing 20 and the imaging device 110 The collision, so as to ensure that the imaging device 110 is not damaged due to the installation of the second housing 20.

Furthermore, the second housing 20 may further include a light-passing portion 28, and the light-passing portion 28 is disposed in the through hole 220. Wherein, the light-transmitting part 28 may be a light-transmitting element such as ordinary glass or plastic, which is used for protecting against dust, water, and impurities. The light-transmitting part 28 may also be an optical element that assists in photographing, such as a dimming mirror or a light filter. The second housing 20 of this embodiment can be mounted on the first housing 10 in an interchangeable manner with the second housing 20 shown in FIG. 5 to adapt to different application scenarios, so as to meet the needs of different users.

In the embodiment of the present application, only the engaging portion 142 is a groove structure (that is, the sliding groove 1420), and the engaging member 24 is a convex structure (that is, the rod 242 and the blocking block 246) are taken as an example for description. It can be understood that the engaging portion can be a convex structure, and the engaging member can be a structure provided with a groove; without departing from the scope of the claims of the present application, the engaging portion and the engaging member can be anything that meets the design requirements Structure.

In the description of this specification, descriptions with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean specific features described in conjunction with the embodiment or example , The structure, materials, or characteristics are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples and the features of the different embodiments or examples described in this specification without contradicting each other.

In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present application, "a plurality of" means at least two, such as two, three, etc., unless specifically defined otherwise.

Claims

A quick release structure, characterized in that it includes:

A first housing, the first housing includes a first body and an extension wall, the side wall of the first body encloses a hollow cavity, and the extension wall extends from the inner surface of the side wall into the hollow cavity Extending, the extending wall includes a locking portion; and

The second housing, the second housing includes a second body and an engaging member disposed on the second body, the engaging member extends into the hollow cavity and is detachably connected to the engaging portion Snap to detachably mount the second housing on the first housing.
The quick release structure according to claim 1, wherein the number of the engaging portions is multiple, and the multiple engaging portions are evenly distributed around the central axis of the hollow cavity.
The quick release structure according to claim 1, wherein the engaging portion includes a first surface and a second surface opposite to each other, and the first surface of the engaging portion is opposite to the first surface of the second body. Opposite to each other, the engaging portion is provided with a penetrating sliding groove, and the engaging member extends into the sliding groove and is engaged with the second surface of the engaging portion.
The quick release structure according to claim 3, wherein the sliding groove is communicated with or spaced apart from the hollow cavity.
The quick release structure according to claim 3, wherein the engaging member can be screwed in or screwed out around the central axis of the hollow cavity after extending into the chute, so as to selectively interact with the The second surface of the engaging portion is engaged or disengaged.
The quick release structure according to claim 5, wherein the number of the engaging members is multiple, and the multiple engaging members can rotate along the circumference of the same circle, and the same circle is The point on the central axis of the hollow cavity is the center of the circle.
The quick release structure according to claim 5, wherein the number of the engaging members is multiple, and the multiple engaging members can rotate along the circumference of multiple concentric circles, and the multiple concentric circles All take the point on the central axis of the hollow cavity as the center of the circle.
The quick release structure according to claim 5, wherein the sliding groove comprises a first sub-slot and a second sub-slot that are connected, and the opening size of the first sub-slot is larger than the opening of the second sub-slot Size; the engaging member includes a rod body and a blocking block extending from the rod body, the blocking block corresponds to the first sub-slot, the rod body corresponds to the second sub-slot, and the blocking block extends into In the first sub-slot, the rod body can move along the second sub-slot so that the locking block is engaged with the second surface of the engaging portion.
The quick release structure according to claim 8, wherein the sliding groove includes a first inner side surface and a second inner side surface opposite to each other, and the first inner side surface is closer to the hollow than the second inner side surface. Cavity, the rod body includes a first outer side surface and a second outer side surface, the clamping block extends from the second outer side surface in a direction away from the first outer side surface, and the first outer side surface is The inner side is in conflict, and the second outer side is in conflict with the second inner side.
The quick release structure according to claim 9, wherein the number of the engaging parts is multiple,

The first outer side surface is an arc surface, the first inner side surface is an arc surface, the plurality of first inner side surfaces of the plurality of the engaging portions are located on the circumference of the same circle, and the same circle is The point on the central axis of the hollow cavity is the center of the circle; and/or

The second outer side surface is an arc surface, the second inner side surface is an arc surface, a plurality of second inner side surfaces of the plurality of the engaging portions are located on the circumference of the same circle, and the same circle is The point on the central axis of the hollow cavity is the center of the circle.
The quick release structure according to claim 9, wherein the number of the engaging parts is multiple,

The first outer side surface is an arc surface, the first inner side surface is an arc surface, the plurality of first inner surfaces of the plurality of the engaging portions are located on the circumference of a plurality of concentric circles, and the plurality of concentric circles are all Take the point on the central axis of the hollow cavity as the center of the circle; and/or

The second outer side surface is an arc surface, the second inner side surface is an arc surface, the plurality of second inner side surfaces of the plurality of the engaging portions are located on the circumference of a plurality of concentric circles, and the plurality of concentric circles are all Take the point on the central axis of the hollow cavity as the center of the circle.
The quick release structure according to claim 8, wherein the sliding groove includes a first inner side surface and a second inner side surface opposite to each other, and the first inner side surface is closer to the hollow than the second inner side surface. Cavity, the rod body includes a first outer side surface and a second outer side surface, the blocking block extends from the second outer side surface in a direction away from the first outer side surface, and the second outer side surface is The inner side is in conflict, and the first outer side is in conflict with the second inner side.
The quick release structure according to claim 12, wherein the number of the engaging parts is multiple,

The second outer side surface is an arc surface, the first inner side surface is an arc surface, the plurality of first inner side surfaces of the plurality of the engaging portions are located on the circumference of the same circle, and the same circle is The point on the central axis of the hollow cavity is the center of the circle; and/or

The first outer side surface is an arc surface, the second inner side surface is an arc surface, a plurality of second inner side surfaces of the plurality of the engaging portions are located on the circumference of the same circle, and the same circle is The point on the central axis of the hollow cavity is the center of the circle.
The quick release structure according to claim 12, wherein the number of the engaging parts is multiple,

The second outer side surface is an arc surface, the first inner side surface is an arc surface, the plurality of first inner side surfaces of the plurality of the engaging portions are located on the circumference of the plurality of concentric circles, and the plurality of concentric circles are all Take the point on the central axis of the hollow cavity as the center of the circle; and/or

The first outer side surface is an arc surface, the second inner side surface is an arc surface, the plurality of second inner side surfaces of the plurality of the engaging portions are located on the circumference of a plurality of concentric circles, and the plurality of concentric circles are all Take the point on the central axis of the hollow cavity as the center of the circle.
The quick release structure according to claim 8, wherein the quick release structure further comprises:

A stopper, the stopper is arranged on the first housing, and is used to stop the rod from moving along the second sub-slot.
The quick release structure according to claim 15, wherein the number of the stopper and the engaging portion is the same, and the stopper and the engaging portion are in one-to-one correspondence; or

The number of the stoppers is less than the number of the engaging parts, and each stopper is provided on a different engaging part; or

The number of the stopper is multiple, the number of the engaging portion is multiple, each of the stopper is arranged on a different engaging portion, and the two adjacent ones are provided with the stopper. There is at least one of the engaging parts not provided with the stopper between the engaging parts of the positioning member.
The quick release structure according to claim 15, wherein:

The stop member is an end surface of the sliding groove, and the end surface corresponds to the terminal end of the screw-in direction of the engaging member; or

The stopper is a cantilever extending from the first body or the extension wall.
The quick release structure according to claim 15, wherein the stop member is a cantilever extending from the first body or the extension wall, and the cantilever is provided with a cantilever that cooperates with the engaging member. Bump.
The quick release structure according to claim 3, wherein the extension wall further comprises:

An elastic arm, the elastic arm is arranged on the engaging portion, the elastic arm applies a force to the second housing, and the force makes the engaging member tightly with the second surface of the engaging portion Snap.
The quick release structure according to claim 19, wherein the direction of the force is parallel to the central axis of the hollow cavity.
18. The quick release structure according to claim 19, wherein the elastic arm extends from the engaging portion and is suspended in the air, and the extension direction of the elastic arm is consistent with the unscrewing direction of the engaging member.
The quick release structure according to claim 21, wherein the elastic arm includes a connecting end connected to the engaging portion and a suspended free end; the second housing further includes a second body The boss on the first surface; when the engaging member extends into the chute, the boss is located outside the free end, when the engaging member is screwed in around the central axis of the hollow cavity At this time, the boss climbs over the free end and conflicts with the surface of the elastic arm facing the second housing.
The quick release structure according to claim 22, wherein the free end is provided with a protrusion, the elastic arm is formed with a recess facing the second housing, and the recess is located between the free end and the second housing. Between the connecting ends; the boss can be clamped in the recess.
The quick release structure according to claim 23, wherein the protrusion is a curved surface, and the boss is a curved surface.
The quick release structure according to claim 22, wherein the second body is provided with a through hole, and the engaging member and the boss are evenly distributed around the central axis of the through hole.
The quick release structure according to claim 22, wherein the second body is provided with a through hole, the first surface of the second body is provided with an escape groove, and the escape groove is not spaced from the through hole. Connected.
The quick release structure according to claim 26, wherein the bosses are distributed on opposite sides of the second body, and the escape grooves are provided on the second body adjacent to the bosses. On at least one side.
18. The quick release structure according to claim 19, wherein the number of the engaging portions is four, and the four engaging portions are respectively located at four corners of the extension wall.
The quick release structure according to claim 28, wherein the number of the elastic arms is two, the two elastic arms are located on opposite sides of the extension wall, and each elastic arm is located adjacent to each other. Between the two engaging parts.
The quick release structure according to claim 1, wherein the second body is provided with a through hole, and when the second housing is mounted on the first housing, the central axis of the through hole is The central axes of the hollow cavities coincide.
The quick release structure according to claim 1, wherein the second body is provided with a through hole, and the second housing further includes a light passing portion, the light passing portion is disposed in the through hole .
The quick release structure according to claim 1, wherein the number of the engaging elements is four, and the four engaging elements are respectively located at four corners of the second body.
The quick-release structure according to claim 1, wherein the number of the engaging parts is multiple, the number of the engaging members is multiple, and the plurality of the engaging members and the plurality of the cards The engaging parts correspond to one another, at least one of the engaging parts is different from the other engaging parts, and at least one of the engaging parts is different from the other engaging parts.
The quick release structure according to claim 33, wherein the size of the sliding groove on at least one of the engaging parts is different from the size of the other engaging parts, and the size of at least one of the engaging parts is different from that of the other engaging parts. It is different in size from other said engaging parts.
A photographing equipment, characterized in that it comprises:

The quick release structure according to any one of claims 1-34; and

A photographing device, the photographing device is housed in the hollow cavity, and the photographing device and the second housing are respectively located at two ends of the first housing.
A movable platform, characterized in that it comprises:

The movable platform body; and

The photographing device according to claim 35, which is mounted on the movable platform body.