CN115128884A

CN115128884A - Quick assembly disassembly structure, extend frame, filter assembly and photographic auxiliary system

Info

Publication number: CN115128884A
Application number: CN202210719201.1A
Authority: CN
Inventors: 晏科满; 周峰
Original assignee: Shenzhen Leqi Network Technology Co Ltd
Current assignee: Shenzhen Leqi Network Technology Co Ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-09-30
Anticipated expiration: 2042-06-23
Also published as: WO2023246456A1; CN115128884B

Abstract

The invention discloses a quick disassembly and assembly structure, an expansion frame, a filter assembly and a photography auxiliary system, wherein the quick disassembly and assembly structure is used for connecting a first part and a second part, and comprises: the lock tongue is arranged on the first component; the lock hole is arranged on the second part and is used for the insertion of the lock tongue; the locking part is movably arranged in the lock hole and used for locking or loosening the lock tongue. The quick assembly and disassembly structure is applied to auxiliary photographic equipment, and quick disassembly and quick assembly can be realized among components of the auxiliary photographic equipment by adopting the quick assembly and disassembly structure, so that the quick assembly and disassembly structure is convenient to disassemble and assemble, saves time and labor, and is beneficial to improving the use experience of users.

Description

Quick assembly disassembly structure, extend frame, filter assembly and photographic auxiliary system

Technical Field

The invention relates to the technical field of photographic equipment, in particular to a quick disassembly and assembly structure, an expansion frame, a filter assembly and a photographic auxiliary system.

Background

In some shooting scenes, people usually install the auxiliary photographing equipment in front of the lens of the photographing device so as to assist in photographing through the auxiliary photographing equipment, thereby achieving the effects of improving the photographing effect and the like.

Among them, the common photographic aids such as a light shielding bucket, a prompter, etc. are generally composed of a plurality of components, for example, the light shielding bucket includes a lens connecting frame, a filter frame, a bucket body, etc. However, in the current photography auxiliary equipment on the market, a plurality of screws are usually adopted for connecting the components, the screws need to be screwed in the assembling or disassembling process, or a plurality of operation steps are needed for disassembling and assembling, which is time-consuming and labor-consuming, inconvenient to disassemble and assemble, and poor in use experience of users; the photographic auxiliary equipment is also integrally arranged, but the space is occupied, and the storage and the transportation are inconvenient.

Disclosure of Invention

The invention mainly aims to provide a quick dismounting structure, aiming at solving the technical problem that parts of the existing photographic auxiliary equipment are inconvenient to dismount.

To achieve the above object, the present invention provides a quick-release structure for connecting a first member and a second member, the quick-release structure comprising:

the lock tongue is arranged on the first component;

the lock hole is arranged on the second part and used for the insertion of the lock tongue;

the locking piece is movably arranged in the lock hole and used for locking or loosening the lock tongue.

In some embodiments, the peripheral wall of the locking tongue is formed with a slot;

the locking piece is provided with a clamping part matched with the clamping groove;

the locking bolt is inserted into the locking hole, and when the clamping part is clamped in the clamping groove, the locking part locks the locking bolt; when the clamping part is separated from the clamping groove, the locking part loosens the lock tongue.

In some embodiments, a groove is formed in one surface of the locking member facing the entrance of the locking hole, the groove penetrates through two opposite sides of the locking member, the clamping portion is formed in a groove wall of the groove and extends towards the inside of the groove, and the groove is used for accommodating the free end of the lock tongue.

In some embodiments, the quick-disconnect structure further comprises:

the resetting piece is arranged in the lock hole;

the driving piece is positioned on one side of the second part, which is provided with the lock hole, and one end of the driving piece is positioned in the lock hole;

the movable piece can drive the locking piece to move under the action of external force, so that the clamping part is separated from the clamping groove; when the external force disappears, the reset piece applies acting force to the locking piece to enable the locking piece to move and reset.

In some embodiments, one end of the movable piece is positioned at one side of the locking piece and is abutted with the locking piece;

the piece that resets is located the opposite side of retaining member, the piece that resets includes reset spring, reset spring's one end with the pore wall butt of lockhole, the other end with the retaining member butt.

In some embodiments, the moving member comprises an unlocking handle, one end of the unlocking handle is a connecting end and is rotatably connected with the second component through a mounting shaft;

the unlocking handle rotates in a first direction, and the connecting end of the unlocking handle rotates to extrude the locking piece to move, so that the clamping part is separated from the clamping groove; the unlocking handle rotates in the second direction, the connecting end rotates to release the locking piece, and the reset piece is right the locking piece applies acting force to enable the locking piece to move and reset.

In some embodiments, the connecting end of the unlocking handle is arc-shaped.

In some embodiments, the unlocking handle is provided with a magnetic attraction piece for attracting the second component.

In some embodiments, the other end of the unlocking handle is a free end, the free end of the unlocking handle can relatively approach or separate from the second part along with the rotation of the connecting end, and a handle position for shifting is formed between the free end of the unlocking handle and the connecting end.

In some embodiments, the unlocking handle is in an elongated shape and exposed outside the second component, and the magnetic attraction piece is arranged at the free end of the unlocking handle.

In some embodiments, a free end of the locking tongue is formed with a guide slope, and when the locking tongue is inserted into the locking hole, the catch part is in contact with and pressed by the guide slope to move along the guide slope and be guided into the locking groove; and/or

The clamping groove is an annular groove.

In some embodiments, the first part and the second part have the locking tongue on one side and the locking hole on the other side, and the second part is in plug-in fit with the locking hole of the adjacent first part through the locking tongue or with the locking tongue of the adjacent first part through the locking hole.

In some embodiments, a hook and a hook groove for hooking the hook are further arranged between the first part and the second part.

In some embodiments, the first member and the second member each have the hook on one side and the hook groove on the other side, and the first member is hooked with the hook groove of the second member adjacent thereto through the hook and is hooked with the hook of the second member adjacent thereto through the hook groove.

In some embodiments, the hook and the hook groove and the lock tongue and the lock hole are provided with two or more pairs;

two or more pairs of hooks and hook grooves are positioned at the lower parts of the first part and the second part, two or more pairs of lock tongues and lock holes are positioned at the upper parts of the first part and the second part, and each pair of hook and hook groove and one pair of lock tongues and lock holes are arranged diagonally.

The invention also provides an expansion frame, which comprises side frames, wherein the side frames surround to form a mounting window for mounting the filter, and the adjacent side frames comprise the quick dismounting structures for mutual connection;

the front of frame has the spring bolt in as aforementioned quick assembly disassembly structure, the reverse side of frame has the lockhole in as aforementioned quick assembly disassembly structure, the side of frame is equipped with the retaining member in as aforementioned quick assembly disassembly structure.

In some embodiments, the side edge of the frame is provided with the unlocking handle in the aforementioned quick assembly disassembly structure, the outer side of the side edge is provided with a limiting groove with a flared opening, the limiting groove is used for accommodating the unlocking handle, and the free end of the unlocking handle is magnetically connected with the groove wall at the flared opening of the limiting groove; and/or

The rotation axis of the unlocking handle extends along the positive and negative directions of the frame.

In some embodiments, the front surface and the back surface of the frame are provided with magnetic parts, and the magnetic parts are used for adsorbing two adjacent expansion frames.

In some embodiments, the expansion frame is configured to detachably mount a plurality of filter frames, the plurality of filter frames are located in the mounting window, the filter frames are provided with filter sheets, the frame is open, and the expansion frame includes:

a first side edge;

the filter frame comprises two opposite second side edges, each second side edge is connected to one end of the first side edge, a plurality of slots are concavely arranged on the surface of the second side edge facing to the other second side edge, the slots on the second side edges correspond to one another to form a plurality of pairs of slots, and each filter frame is inserted into one pair of slots.

The invention also provides a filter assembly which is characterized by comprising a filter frame and at least one expansion frame, wherein the filter frame is detachably arranged on the expansion frame and positioned in the installation window, and the filter frame is provided with filter lenses.

In some embodiments, the expansion box is the aforementioned expansion box;

the filter frame is characterized in that a bulge is formed on the outer wall of each side edge of the two opposite side edges of the filter frame, the bulge is inserted into the slot, at least one of the two second frames is provided with a clamping hole corresponding to each slot, the clamping hole is formed at one end, far away from the first frame, of the slot, the outer wall of at least one side edge of the two opposite side edges of the filter frame is provided with a clamping column, and the clamping column is clamped in one clamping hole.

The invention also provides a photographic auxiliary system, which comprises a lens connecting frame and a functional module, wherein the lens connecting frame is connected with the functional module through the quick dismounting structure.

In some embodiments, the functional module comprises one of a filter assembly, a light-shielding bucket body, and a prompter as described above; or

The functional module comprises the filter mounting assembly and the shading hopper body, the lens connecting frame is connected with the adjacent expanding frame in the filter assembly through the quick assembling and disassembling structure, and the shading hopper body is connected with the adjacent expanding frame in the filter assembly through the quick assembling and disassembling structure; or

The functional module comprises the filter mounting assembly and the prompter, the lens connecting frame is connected with the adjacent expanding frame in the filter assembly through the quick dismounting structure, and the prompter is connected with the adjacent expanding frame in the filter assembly through the quick dismounting structure.

In some embodiments, the quick-release structure is the quick-release structure, and the unlocking handle of the light-shielding bucket body and the unlocking handle of the expansion frame are relatively dislocated, or the prompter and the unlocking handle of the expansion frame are relatively dislocated.

The quick assembly disassembly structure is used for connecting a first part and a second part, when the first part and the second part need to be assembled, the first part is butted with the second part, a lock tongue on the first part is correspondingly inserted into a lock hole of the second part, and the lock tongue is locked in the lock hole by moving a locking part, so that the quick assembly between the first part and the second part can be realized; when first part and second part need be dismantled for the retaining member activity is in order to loosen the spring bolt in the lockhole, and through separating first part and second part in order to withdraw from the lockhole with the spring bolt, alright realize dismantling fast between first part and the second part. Adopt this quick assembly disassembly structure can realize quick detach and fast-assembling between photographic auxiliary equipment's the part, easy dismounting, labour saving and time saving helps promoting the user and uses experience.

Drawings

FIG. 1 is a schematic structural view of a first component and a second component connected by a quick-release structure according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a first member in the embodiment of FIG. 1;

FIG. 3 is a schematic structural view of a second member in the embodiment of FIG. 1;

FIG. 4 is a schematic view of the internal structure of the embodiment of FIG. 1, wherein the first component and the second component are connected by a quick-release structure;

FIG. 5 is a schematic structural view of a first member in the embodiment of FIG. 1;

FIG. 6 is an enlarged view taken at A in FIG. 5;

FIG. 7 is a schematic structural view of an unlocking handle of the quick release structure of the embodiment of FIG. 1;

FIG. 8 is a schematic view of the second member of the embodiment of FIG. 1 with the release handle open;

FIG. 9 is a schematic view of an assembly of the expansion frame and the filter frame according to an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of the expansion frame in the embodiment of FIG. 9 at a viewing angle;

FIG. 11 is a schematic structural diagram of the expansion frame in the embodiment of FIG. 9 from another view angle;

FIG. 12 is a schematic view of a photography assisting system according to an embodiment of the present invention;

FIG. 13 is a schematic diagram of a photography assisting system in another embodiment of the present invention.

Detailed Description

The embodiments of the present invention will be described in detail in conjunction with the drawings in the following, and it is to be understood that the embodiments are only a part of the embodiments of the present invention, and not all of the embodiments are described. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, the descriptions relating to "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a quick-release structure for connecting a first member 10 and a second member 20, the quick-release structure comprising:

the bolt 1 is arranged on the first component 10;

the lock hole 2 is arranged on the second part 20 and is used for the bolt 1 to be inserted;

retaining member 3, movably locates the lockhole for locking or loosen the spring bolt.

The quick assembly disassembly structure that this embodiment relates to is used for photographic equipment, realizes the connection between two parts, for example shading fill bucket body and the camera lens connecting frame of shading fill module, the prompter and the camera lens connecting frame of prompter module etc. or other. Specifically, quick assembly disassembly structure is used for connecting first part 10 and second part 20, and quick assembly disassembly structure includes spring bolt 1, lockhole 2 and retaining member 3, and spring bolt 1 sets up on first part 10, and lockhole 2 then sets up on second part 20, and retaining member 3 corresponds the configuration of lockhole 2, movably locates lockhole 2. It is easy to understand that,

lockhole

2 and 1 looks adaptation of spring bolt for supply 1 of spring bolt to peg graft, retaining member 3's active position has locking position and unlocks the position, and when spring bolt 1 inserted lockhole 2, retaining member 3 activity to locking position then can correspond locking spring bolt 1, and retaining member 3 activity to unlocking the position then can correspond and loosen spring bolt 1. A locking matching structure of a clamping column and a clamping hole can be adopted between the locking member 3 and the lock tongue 1, for example, the lock tongue 1 is provided with the clamping hole, the locking member 3 is provided with the clamping column, and when the lock tongue 1 is inserted into the lock hole 2, the locking member 3 moves to clamp the clamping column into the clamping hole to lock the lock tongue 1; or withdraw the catch from the catch hole to release the latch bolt 1, including but not limited to this, and others. Optionally, a sliding key can be arranged outside the second part 20, the locking member 3 is connected with the sliding key, and a user can manually stir the sliding key to drive the locking member 3 to move so as to lock or unlock. Of course, this is merely exemplary and not limiting.

When the first part 10 and the second part 20 need to be assembled, the first part 10 is butted with the second part 20, the bolt 1 on the first part 10 is correspondingly inserted into the lock hole 2 of the second part 20, and the locking piece 3 is enabled to move to lock the bolt 1 in the lock hole 2, so that the rapid assembly between the first part 10 and the second part 20 can be realized; when the first part 10 and the second part 20 need to be disassembled, the locking piece 3 is enabled to move to release the bolt 1 in the lock hole 2, and the bolt 1 is withdrawn from the lock hole 2 by separating the first part 10 from the second part 20, so that the first part 10 and the second part 20 can be disassembled quickly. Adopt this quick assembly disassembly structure can realize quick detach and fast-assembling between photographic auxiliary equipment's the part, easy dismounting, labour saving and time saving helps promoting the user and uses experience.

In some embodiments, referring to fig. 4 to 6, the peripheral wall of the locking bolt 1 is formed with a catching groove 11;

the locking piece 3 is provided with a clamping part 31 matched with the clamping groove 11;

when the lock tongue 1 is inserted into the lock hole 2 and the clamping part 31 is clamped in the clamping groove 11, the locking part 3 locks the lock tongue 1; when the holding part 31 is separated from the slot 11, the locking part 3 releases the bolt 1.

In the embodiment, the locking member 3 and the bolt 1 adopt a locking matching structure of the clamping part 31 and the clamping groove 11, when the clamping part 31 of the locking member 3 is clamped in the clamping groove 11 of the bolt 1, the locking member 3 locks the bolt 1, and the bolt 1 is in a locking state; when the clamping part 31 of the locking part 3 is separated from the clamping groove 11 of the bolt 1, the locking part 3 releases the bolt 1, and the bolt 1 is in an unlocking state. Specifically, the slot 11 of the bolt 1 may be arc-shaped or annular on its peripheral wall, and is set according to actual conditions. The clamping part 31 is matched with the clamping groove 11, and when the bolt 1 is inserted into the lock hole 2, the clamping part 31 of the locking part 3 is positioned at one side of the bolt 1 so as to be correspondingly clamped into the clamping groove 11 along with the movement of the locking part 3 or separated from the clamping groove 11.

In some embodiments, referring to fig. 4 to 6, a groove 32 is formed on a surface of the locker 3 facing the entrance of the locking hole 2, the groove 32 penetrates through two opposite sides of the locker 3, a catching portion 31 is formed on a wall of the groove 32 and extends toward the inside of the groove 32, and the groove 32 is used for receiving a free end of the locking bolt 1. In this embodiment, when the locking tongue 1 is inserted into the locking hole 2, the free end of the locking tongue 1 is correspondingly accommodated in the groove 32 of the locking member 3 to avoid the free end of the locking tongue 1, and the clamping portion 31 formed on the groove wall of the groove 32 is correspondingly clamped into the clamping groove 11 of the locking tongue 1, so as to lock the locking tongue 1 by the locking member 3.

In some embodiments, referring to fig. 1-6, the quick-disconnect structure further comprises:

the reset piece 4 is arranged in the lock hole 2;

the movable piece 5 is positioned at one side of the second part 20, which is provided with the lock hole 2, and one end of the movable piece 5 is positioned in the lock hole 2;

the movable piece 5 can drive the locking piece 3 to move under the action of external force, so that the clamping part 31 is separated from the clamping groove 11; when the external force disappears, the reset piece 4 applies acting force to the locking piece 3 to enable the locking piece 3 to move and reset.

In this embodiment, the assembly process of the first component 10 and the second component 20 may be: for the second component 20, the movable element 5 controls the locking element 3 to move forward under the action of applying an external force, and the clamping part 31 of the locking element 3 moves along with the movement to avoid, so that the insertion position of the bolt 1 of the first component 10 is reserved; then the bolt 1 of the first part 10 is inserted into the lock hole 2 and reaches the inserting position; then, when the external force disappears, the moving part 5 releases the control of the locking part 3, the resetting part 4 applies acting force to the locking part 3, the locking part 3 moves reversely under the acting force of the resetting part 4 to reset, and the clamping part 31 of the locking part 3 follows up to be correspondingly clamped into the clamping groove 11 of the bolt 1 of the first part 10 so as to realize locking; in the locked state, the first member 10 and the second member 20 are not separable, and thus, the assembly of the first member 10 and the second member 20 is completed.

The process of disassembling the first component 10 from the second component 20 may be: for the second part 20, the moving part 5 controls the locking part 3 to move forward under the action of applying external force, and the clamping part 31 of the locking part 3 follows to withdraw from the clamping groove 11 of the bolt 1 so as to realize unlocking; in the unlocked state, the first component 10 is separable from the second component 20; then, the latch bolt 1 of the first unit 10 is withdrawn from the latch hole 2 of the second unit 20, thereby completing the detachment of the first unit 10 from the second unit 20.

Wherein the moving member 5 may adopt the sliding key of the previous embodiment or other structural forms, which are explained in detail in the following embodiments. The piece 4 that resets can adopt elasticity piece, magnetism piece etc. that resets to be used for providing the effort that removes the reset for retaining member 3, set up according to actual conditions.

In some embodiments, with reference to fig. 4 to 6, one end of the movable member 5 is located on one side of the locking member 3 and abuts against the locking member 3;

reset 4 and be located the opposite side of retaining member 3, reset 4 and include reset spring 4, reset spring 4's one end and the pore wall butt of lockhole 2, the other end and 3 butts of retaining member.

In this embodiment, one end of the moving member 5 and the restoring member 4 are respectively located on two opposite sides of the locking member 3 and abut against the locking member 3. The reset piece 4 adopts a reset spring 4, and when the movable piece 5 on one side of the locking piece 3 drives the locking piece 3 to move towards the other side, the reset spring 4 is pressed by the locking piece 3 to compress and store energy; when the external force disappears to make the moving member 5 release the control of the locking member 3, the return spring 4 automatically extends to release its elastic potential energy, and the acting force applied to the locking member 3 by the return spring 4 moves the locking member 3 to its one side direction to be reset. Further, as an alternative, mounting holes are oppositely formed in the hole walls of the locking member 3 and the locking hole 2, and two ends of the return spring 4 are respectively embedded in the mounting holes in the hole walls of the locking member 3 and the locking hole 2, so that mounting and setting are achieved.

In some embodiments, with reference to fig. 4 to 7, the movable member 5 includes an unlocking handle 5, one end of the unlocking handle 5 is a connecting end 5a and is rotatably connected to the second member 20 through a mounting shaft;

the unlocking handle 5 rotates in a first direction, and the connecting end 5a of the unlocking handle 5 rotates to press the locking member 3 to move, so that the clamping part 31 is separated from the clamping groove 11; the unlocking handle 5 rotates in the second direction, the connecting end 5a rotates to release the locking member 3, and the reset member 4 applies force to the locking member 3 to move and reset the locking member 3.

In this embodiment, the connecting end 5a of the lock release handle 5 is disposed adjacent to the lock member 3 on the second member 20 and is rotatable on the second member 20 about the mounting shaft. When unlocking is needed, the unlocking handle 5 can be manually operated to rotate in the first direction, the connecting end 5a of the unlocking handle 5 rotates to extrude the locking piece 3 to move forwards, and the clamping part 31 of the locking piece 3 follows to withdraw from the clamping groove 11 of the lock tongue 1; when locking is needed, the unlocking handle 5 can be loosened or manually operated, the unlocking handle 5 rotates in the second direction, the connecting end 5a rotates to release the locking piece 3, the reset piece 4 applies acting force to the locking piece 3 to enable the locking piece 3 to move reversely to reset, and the clamping part 31 of the locking piece 3 follows up to be clamped into the clamping groove 11 of the lock tongue 1. The first direction is opposite to the second direction, the first direction may be a counterclockwise direction or a clockwise direction, and the second direction may be a clockwise direction or a counterclockwise direction, and is determined according to a specific setting position of the unlocking handle 5.

In some embodiments, referring to fig. 6 and 7, the connecting end 5a of the unlocking handle 5 is arc-shaped.

In this embodiment, the connecting end 5a of the unlocking handle 5 is arc-shaped, and the arc-shaped surface of the connecting end is in contact with the locking member 3, so that when the unlocking handle 5 rotates in the first direction, the locking member 3 can be extruded to move forward along with the rotation of the connecting end; and when the unlocking handle 5 rotates in the second direction, the unlocking handle can rotate along with the unlocking handle to release the locking piece 3, and the resetting piece 4 applies force to the locking piece 3 to enable the locking piece 3 to move reversely and reset.

In some embodiments, referring to fig. 8, the unlocking handle 5 is provided with a magnetic attraction member 51 for magnetically attracting the second member 20.

In this embodiment, the unlocking handle 5 is magnetically attracted to the second component 20 through the magnetic attraction member 51 to be attached to the second component 20, so as to prevent the unlocking handle from being rotated due to misoperation, thereby improving the locking stability of the first component 10 and the second component 20. The magnetic element 51 is magnetically attracted to the second component 20, optionally, the magnetic element 51 is a magnet, and a magnetically attractable metal element is correspondingly disposed on the second component 20 for magnetically attracting the magnet, and the magnetically attractable metal element can be a steel sheet, for example, and is disposed according to the situation. Alternatively, the magnetic member 51 may be made of magnetically attractable metal, and the second member 20 may be provided with a corresponding magnet, which is selected according to actual conditions.

In some embodiments, referring to fig. 6 to 8, the other end of the unlocking handle 5 is a free end 5b, the free end 5b of the unlocking handle 5 can relatively approach or separate from the second component 20 along with the rotation of the connecting end 5a, and a handle position for dialing is formed between the free end 5b and the connecting end 5 a.

In this embodiment, the free end 5b of the unlocking handle 5 is opposite to the connecting end 5a thereof, and a locking position formed between the free end and the connecting end may be formed by recessing the unlocking handle 5 toward a side portion of the second member 20, and the locking position is an operation position provided for a user, so that the user can operate the unlocking handle 5 to rotate conveniently. Specifically, when the unlocking handle 5 is rotated in the first direction, the free end 5b of the unlocking handle 5 is relatively distant from the second member 20 with the rotation of the connecting end 5 a; when the unlocking handle 5 is rotated in the second direction, the free end 5b of the unlocking handle 5 is relatively close to the second member 20 with the rotation of the connecting end 5 a.

In some embodiments, referring to fig. 8, the unlocking handle 5 is elongated and exposed outside the second member 20, and the free end 5b of the unlocking handle 5 is provided with a magnetic member 51. In this embodiment, the unlocking handle 5 is shaped like a long strip and has a certain length, and the unlocking handle 5 is located outside the second member 20, so that the user can conveniently hold the unlocking handle. Further, the connecting end 5a of the unlocking handle 5 is rotatably connected with the second component 20, the magnetic attraction piece 51 on the unlocking handle 5 is arranged at the free end 5b of the unlocking handle, a good adsorption effect is achieved, and the unlocking handle 5 can be tightly attached to the second component 20.

In some embodiments, referring to fig. 6, a free end of the latch bolt 1 is formed with a guide slope 12, and when the latch bolt 1 is inserted into the lock hole 2, the catching part 31 is contacted with the guide slope 12 and pressed by the guide slope 12 to move along the guide slope 12 and is guided into the catching groove 11; and/or

The clamping groove 11 is an annular groove.

In this embodiment, when the locking bolt 1 is inserted into the locking hole 2, as the insertion depth increases, the clamping part 31 of the locking member 3 contacts with the guide inclined surface 12 of the locking bolt 1 and is pressed by the guide inclined surface 12 to move along the guide inclined surface 12, and in this process, the locking member 3 is in a moving state of continuous forward movement; after the bolt 1 is inserted in place, the clamping part 31 of the locking part 3 correspondingly moves to the clamping groove 11 of the bolt 1, and then the locking part 3 moves reversely to reset under the action of the resetting part 4, so that the clamping part 31 is automatically clamped into the clamping groove 11 of the bolt 1 to realize locking. That is, in the present embodiment, during assembly, the locking tongue 1 of the first component 10 is correspondingly inserted into the locking hole 2 of the second component 20, and an external force is applied to relatively press the first component 10 and the second component 20, so that the retaining portion 31 of the locking member 3 is automatically clamped into the clamping groove 11 of the locking tongue 1, and thus, the first component 10 and the second component 20 can be automatically locked, and the operation is simple and the use is convenient. Moreover, the slot 11 may be an annular groove to fit the retaining portion 31, so that the retaining portion 31 can be conveniently inserted.

In some embodiments, referring to fig. 2 to 4, one side of each of the first and

second members

10 and 20 has a locking tongue 1, and the other side has a locking hole 2, and the second member 20 is in plugging fit with the locking hole 2 of its adjacent first member 10 through the locking tongue 1, or with the locking tongue 1 of its adjacent first member 10 through the locking hole 2.

In this embodiment, the two side surfaces of the first component 10 are respectively provided with the lock tongue 1 and the lock hole 2, and the two side surfaces of the second component 20 are respectively provided with the lock tongue 1 and the lock hole 2. When the first part 10 is assembled with the second part 20, the first part 10 may be in front, the second part 20 is behind, and the second part 20 is inserted into the lock hole 2 of the first part 10 through the lock tongue 1 thereof to be connected with the first part 10; it is also possible that the second part 20 is in front and the first part 10 is in back, and the first part 10 is inserted into the locking hole 2 of the second part 20 through the locking tongue 1 thereof to be connected with the second part 20. That is, the assembling direction between the first part 10 and the second part 20 is not limited, which is convenient for the user to assemble quickly; and, after assembling, the first part 10 and the second part 20 can be connected with other parts provided with the locking tongue 1 or the locking hole 2 and the locking piece 3 in the quick-release structure, respectively.

In some embodiments, referring to fig. 2 and 3, a hook 6 and a hook groove 7 for hooking the hook 6 are further provided between the first member 10 and the second member 20.

In this embodiment, the first member 10 may be provided with the hook 6, and the second member 20 may be provided with the hook groove 7; the second member 20 may be provided with the hook 6, and the first member 10 may be provided with the hook groove 7, depending on the actual situation. When the first part 10 and the second part 20 are assembled, the hook 6 and the hook groove 7 are hooked firstly to realize the assembly alignment between the first part and the second part, and then the bolt 1 is inserted into the lock hole 2 to realize the quick connection locking. In the locked state, the hook 6 functions to lift and lock the parts hooked by the hook, and the two parts are stably connected.

In some embodiments, referring to fig. 2 and 3, the first member 10 and the second member 20 each have hooks 6 on one side and hook grooves 7 on the other side, and the first member 10 is hooked with the hook grooves 7 of its adjacent second member 20 by the hooks 6 and with the hooks 6 of its adjacent second member 20 by the hook grooves 7.

In this embodiment, the first member 10 is provided with hooks 6 and hook grooves 7 on both side surfaces thereof, respectively, and the second member 20 is provided with hooks 6 and hook grooves 7 on both side surfaces thereof, respectively. When the first component 10 is assembled with the second component 20, the first component 10 can be in front, the second component 20 can be in back, and the second component 20 is hooked in the hook groove 7 of the first component 10 through the hook 6 of the second component to be connected with the first component 10; it is also possible that the second member 20 is in front and the first member 10 is in back, and the first member 10 is hooked in the hooking groove 7 of the second member 20 by its hooking hook 6 to be connected with the second member 20. That is, the assembling direction between the first part 10 and the second part 20 is not limited, which is convenient for the user to assemble quickly; also, after assembly, the first member 10 and the second member 20 can be connected to other members provided with the hook 6 or the hook groove 7 in the present quick-release structure, respectively.

In some embodiments, referring to fig. 2 and 3, the hook 6 and the hook groove 7 and the bolt 1 and the lock hole 2 have two or more pairs;

two or more pairs of hooks 6 and hook grooves 7 are positioned at the lower parts of the first part 10 and the second part 20, two or more pairs of lock tongues 1 and lock holes 2 are positioned at the upper parts of the first part 10 and the second part 20, and each pair of hook 6 and hook groove 7 and one pair of lock tongues 1 and lock holes 2 are arranged diagonally.

In this embodiment, when the first component 10 and the second component 20 are assembled, the hook 6 and the hook groove 7 at the lower parts of the two are hooked first, and then the bolt 1 and the lock hole 2 at the upper parts of the two are inserted to realize the integral locking. Optionally, two pairs of hooks 6 and hook grooves 7 are arranged on the lower portions of the first part 10 and the second part 20, the two pairs of hooks 6 and hook grooves 7 are symmetrically arranged, two pairs of lock tongues 1 and lock holes 2 are arranged on the upper portions of the first part 10 and the second part 20, the two pairs of lock tongues 1 and lock holes 2 are symmetrically arranged, the two pairs of hooks 6 and hook grooves 7 are approximately distributed at four corner positions of the first part 10 and the second part 20, and when the first part 10 is connected with the second part 20, the connection is realized at the four corner positions through the two pairs of hooks 6 and hook grooves 7 and the two pairs of lock tongues 1 and lock holes 2, so that the connection is stable.

Referring to fig. 9 to 11, the present invention further provides an expansion frame 100, which includes frames 110, wherein the frames 110 enclose a mounting window for mounting a filter, and adjacent frames 110 include the aforementioned quick-release structure for mutual connection;

the front side of the frame 110 has the bolt 1 in the aforementioned quick assembly disassembly structure, the back side of the frame 110 has the locking hole 2 in the aforementioned quick assembly disassembly structure, and the side of the frame 110 is provided with the locking member 3 in the aforementioned quick assembly disassembly structure.

In this embodiment, the specific structure of the quick-assembly/disassembly structure refers to the above embodiments, and since the expansion frame 100 adopts all technical solutions of all the above embodiments, at least all technical effects brought by the technical solutions of the above embodiments are achieved, and details are not repeated here. The expansion frame 100 is provided with at least one filter in an installation window surrounded by the frame 110, and when the expansion frame 100 is provided with a plurality of filters, the plurality of filters are stacked on the expansion frame 100.

Further, when a plurality of expansion frames 100 are provided, adjacent frames 110 of the plurality of expansion frames 100 are connected to each other by a quick-release structure. Specifically, the front and back surfaces of the frame 110 are respectively provided with the lock tongue 1 and the lock hole 2, and the side edge of the frame 110 is provided with the locking member 3, so that it is easy to understand that the lock tongue 1 on the front surface of one frame 110 can be correspondingly inserted into the lock hole 2 on the back surface of another frame 110, and is locked by the locking member 3 of another frame 110. In this way, the frames 110 of the expansion frames 100 can be sequentially butted and connected one by one through the quick-assembly and disassembly structure.

In some embodiments, referring to fig. 9, the side edge of the frame 110 is provided with an unlocking handle 5, the outer side of the side edge is provided with a flared limiting groove 110a, the limiting groove 110a is used for accommodating the unlocking handle 5, and the free end 5b of the unlocking handle 5 is magnetically connected with the groove wall at the flared part of the limiting groove 110 a; and/or

The rotation axis of the unlocking handle 5 extends in the forward and backward directions of the frame 110.

In this embodiment, when the unlocking handle 5 is attached to the side of the frame 110, the unlocking handle 5 is accommodated through the limiting groove 110a so as to partially hide the unlocking handle 5, thereby reducing the possibility that the unlocking handle 5 is rotated by misoperation. And, the free end 5b of unblock handle 5 still is inhaled with the cell wall magnetism of the flaring department of spacing groove 110a and is connected to tightly adsorb unblock handle 5 in the side of frame 110, further avoid unblock handle 5 by the maloperation and rotate, promote the locking steadiness between frame 110. In addition, the rotation axis of the unlocking handle 5 extends in the front-back direction of the frame 110, and the unlocking handle 5 rotates in the outer direction of the frame 110 during unlocking, thereby avoiding interference of other photographing components in the front-back direction of the frame 110.

Furthermore, when the user detaches the expansion frame 100, the user holds the unlocking handles 5 on the two sides of the expansion frame 100, so that the detached expansion frame 100 is held by both hands of the user, the detachment safety of the expansion frame 100 is guaranteed, the whole detachment action is to rotate the unlocking handles 5, the expansion frame 100 is detached, and the detachment action is rapid and simple. Moreover, the connecting end 5a of the unlocking handle 5 is positioned at the upper part of the frame 110, the free end 5b of the unlocking handle 5 is positioned at the lower part of the frame 110, the whole unlocking handle 5 is long in length, good leverage is achieved, and the unlocking action is labor-saving.

In some embodiments, referring to fig. 9 to 11, the front and the back of the frame 110 are provided with magnetic parts 110b, and the magnetic parts 110b are used for adsorbing two adjacent expansion frames 100.

In this embodiment, when two adjacent expansion frames 100 are assembled, the magnetic attraction portion 110b on the front side of the frame 110 of one expansion frame 100 and the magnetic attraction portion 110b on the back side of the frame 110 of the other expansion frame 100 are magnetically attracted to each other, so as to achieve automatic positioning of the bolt 1 in the process of docking with the lock hole 2. The number and the positions of the magnetic parts 110b are set according to actual conditions, which is not limited herein. Specifically, the magnetic attraction part 110b disposed on the front surface of the frame 110 may be a magnet block embedded in the frame 110, and the magnetic attraction part 110b disposed on the back surface of the frame 110 may be a magnetically attractable metal sheet attached to the frame 110.

In some embodiments, the expansion frame 100 is used for detachably mounting a plurality of filter frames 200, the plurality of filter frames 200 are located in the mounting window, the filter frames 200 are provided with filter sheets, the frame 110 is open and includes:

a first side 111;

two second sides 112 arranged oppositely, each second side 112 is connected to one end of the first side 111, a plurality of slots 112a are concavely arranged on the surface of each second side 112 facing to the other second side 112, a plurality of pairs of slots 112a are correspondingly formed on the slots 112a of the two second sides 112 one by one, and each filter frame 200 is inserted into one pair of slots 112 a.

In this embodiment, the filter on the expansion frame 100 is provided in the form of a filter frame 200, the filter frame 200 is provided with filter elements, and a plurality of filter frames 200 are located in the installation windows when installed on the expansion frame 100. The frame 110 has a first side 111 and two second sides 112 respectively located at two opposite ends of the first side 111, and the frame 110 is substantially U-shaped and is open. In practice, the lengths of the first side 111 and the second side 112 of the frame 110 may be designed according to the length and the width of the filter frame 200. During installation, the filter frame 200 enters the frame 110 from the opening of the frame 110, the two opposite sides of the filter frame 200 are correspondingly inserted into the slots 112a of the two second sides 112, i.e., the pair of slots 112a, and the filter frame 200 abuts against the first side 111, so that the installation is convenient and the setting is stable. On the frame 110, the slot 112a is disposed along the length direction of the second side 112. The number of pairs of the insertion grooves 112a is set as required, for example, two pairs or three pairs are not equal, so that the corresponding number of filter frames 200 can be inserted.

Alternatively, the slot 112a of the first side 111 may be configured to seamlessly engage with the slot 112a of the second side 112. Furthermore, the filter frame 200 can be inserted into the insertion slot 112a of the first side 111, so as to further improve the installation stability of the filter frame 200.

The invention further provides a filter assembly, referring to fig. 9, which comprises a filter frame 200 and at least one expansion frame 100, wherein the filter frame 200 is detachably mounted on the expansion frame 100 and is located in a mounting window, and a filter lens is mounted on the filter frame 200. The specific structure of the expansion frame 100 refers to the above embodiments, and since the filter assembly adopts all technical solutions of all the above embodiments, at least all technical effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The number of the expansion frame 100 is at least one, and it is assumed that three filter frames 200 can be mounted on one expansion frame 100. When the required number of the filter configuration is three or less, one expansion frame 100 can be adopted to install the filter frame 200; when the required number of the filter configuration is more than three, six and less than six, the filter frame 200 can be installed by adopting two expansion frames 100; when the required number of the filter configuration is more than six, and nine filter configuration is less than nine filter configuration, the filter frame 200 can be installed by adopting three expansion frames 100; the rest of the cases are analogized in turn, and are not described in detail herein. Of course, this is merely exemplary and not limiting. When a plurality of expansion frames 100 are used, the adjacent expansion frames 100 are connected by using the aforementioned quick-release structure.

In other embodiments, the filter assembly may be provided with a plurality of types of expansion frames 100, and each type of expansion frame 100 may be provided with a different number of filter frames 200. For example, the expansion frame 100 includes a first type expansion frame 100 and a second type expansion frame 100, two filter frame frames 200 may be disposed on the first type expansion frame 100, and three filter frame frames 200 may be disposed on the second type expansion frame 100. Based on this, when the required number of filter configurations is three or four, optionally, two first-type expansion frames 100 can be used to mount the filter frame 200; when the required number of the filter configuration is five, the filter frame 200 is mounted on the shading hopper by adopting a first expansion frame 100 and a second expansion frame 100; when the required number of filter configurations is six, two second type expansion frames 100 may be optionally used to mount the filter frame 200. This is exemplary only and not limiting. Therefore, different types of expansion frames 100 can be selected for flexible matching when the filter is configured, the installation position of the used expansion frame 100 can be prevented from being vacant, the structure is compact, and the occupied space is reduced.

When the number of the filter configuration requirements is large, the filter frame 200 can be additionally arranged on the expansion frame 100, and/or the expansion frame 100 is additionally arranged so that the filter frame 200 is further additionally arranged on the additionally arranged expansion frame 100, the number of the filters configurable on the photographic auxiliary equipment is not limited, flexible superposition can be infinitely expanded according to the requirements, and therefore the auxiliary shooting effect of the photographic auxiliary equipment is improved. In addition, in the prior art, the design of the insertion slot is adopted in the auxiliary photographic equipment, and the filter frame 200 or the empty frame must be inserted into the insertion slot when the auxiliary photographic equipment is used, or the insertion slot is shielded by adopting other modes to prevent light leakage. Photographic auxiliary equipment adopts this filter assembly in order to install the filter, abandons the structural design of original cartridge trench, and then need not to use the empty picture frame 200 of straining that does not adorn the lens to fill or use other modes to shelter from cartridge trench, convenient to use when not using the filter.

In some embodiments, referring to fig. 9 to 11, a protrusion 210 is formed on an outer wall of each of two opposite sides of the filter frame 200, the protrusion 210 is inserted into the slot 112a, at least one of the two second sides 112 is provided with a fastening hole 112b corresponding to each slot 112a, the fastening hole 112b is formed at an end of the slot 112a far away from the first side 111, a fastening post 220 is provided on an outer wall of at least one of the two opposite sides of the filter frame 200, and the fastening post 220 is fastened to a fastening hole 112 b.

In this embodiment, the filter frame 200 is inserted into the insertion slots 112a on the two second sides 112 of the side frame 110 of the expansion frame 100 through the protrusions 210 on the two opposite sides. Further, after the filter frame 200 is inserted in place on the extension frame 100, the filter frame 200 is clamped and matched with the clamping hole 112b on the second side 112 through the clamping column 220 to realize locking, so that the filter frame 200 can be prevented from sliding out of the slot 112a of the second side 112, namely, being separated from the extension frame 100, and the installation stability of the filter frame 200 can be improved.

It is easy to understand that when one of the two second side edges 112 is provided with the locking hole 112b, the corresponding position of the corresponding side edge of the filter frame 200 is provided with the locking post 220; when the two second side edges 112 are provided with the locking holes 112b, the locking posts 220 are provided at the corresponding positions of the two corresponding side edges of the filter frame 200. The number of the card holes 112b and the number of the card posts 220 are not limited herein, and may be set according to practical situations. Preferably, the fastening column 220 on the filter frame 200 may be designed as a telescopic fastening column 220, and a control key and a corresponding connection structure for controlling the fastening column 220 to be telescopic are correspondingly arranged on the filter frame 200, and the control key is connected with the fastening column 220 through the connection structure. The sliding of the control key is operated manually, so that the clamping column 220 can be hidden on the outer wall of the side edge of the filter frame 200 or extend out of the outer wall of the side edge of the filter frame 200, and the operation is simple and the use is convenient.

Referring to fig. 12 and 13, the present invention further provides a photography assisting system, which includes a lens connection frame 300 and a functional module, wherein the lens connection frame 300 is connected to the functional module through a quick assembly and disassembly structure. The specific structure of the quick-assembly/disassembly structure refers to the above-mentioned embodiments, and since the photography assisting system adopts all technical solutions of all the above-mentioned embodiments, at least all technical effects brought by the technical solutions of the above-mentioned embodiments are achieved, and no further description is given here. In the auxiliary photographing system of this embodiment, the lens connection frame 300 is connected to the functional module through the quick-assembly-disassembly structure, optionally, the lens connection frame 300 is provided with a lock tongue 1 in the quick-assembly-disassembly structure, and the functional module is provided with a lock hole 2 and a locking member 3 in the quick-assembly-disassembly structure. Or, the functional module may be provided with a latch bolt 1 in the quick-release structure, and the lens connection frame 300 is provided with a lock hole 2 and a locking member 3 in the quick-release structure.

In some embodiments, the functional module comprises one of a filter assembly, a light block body 400, a prompter 500; or

The functional module comprises a filter assembly and a light-shielding bucket body 400, the lens connecting frame 300 is connected with the adjacent expanding frame 100 in the filter assembly through a quick assembly and disassembly structure, and the light-shielding bucket body 400 is connected with the adjacent expanding frame 100 in the filter assembly through a quick assembly and disassembly structure; or

The function module comprises a filter assembly and a prompter 500, the lens connecting frame 300 is connected with the adjacent expansion frame 100 in the filter assembly through a quick dismounting structure, and the prompter 500 is connected with the adjacent expansion frame 100 in the filter assembly through a quick dismounting structure.

In this embodiment, the functional module may be one of the filter assembly, the light-shielding bucket body 400 and the prompter 500, that is, the lens connection frame 300 and the adjacent expansion frame 100 in the filter assembly, or the light-shielding bucket body 400 or the prompter 500 are connected through a quick-assembly and disassembly structure, as shown in fig. 13, the lens connection frame 300 and the prompter 500 are connected through a quick-assembly and disassembly structure. The functional module may also be a combination of the filter assembly and the light-shielding bucket body 400, wherein, as shown in fig. 12, the filter assembly is connected between the lens connection frame 300 and the light-shielding bucket body 400, the lens connection frame 300 is connected with the adjacent expansion frame 100 in the filter assembly through a quick-assembly-disassembly structure, and the light-shielding bucket body 400 is connected with the adjacent expansion frame 100 in the filter assembly through a quick-assembly-disassembly structure. The functional module can also be a combination of a filter assembly and a prompter 500, wherein the filter assembly is connected between the lens connecting frame 300 and the prompter 500, the lens connecting frame 300 is connected with the adjacent expansion frame 100 in the filter assembly through a quick assembly and disassembly structure, and the prompter 500 is connected with the adjacent expansion frame 100 in the filter assembly through a quick assembly and disassembly structure. The specific structure of the filter assembly refers to the above embodiments, and since the functional module adopts all technical solutions of all the above embodiments, at least all technical effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

In some embodiments, referring to fig. 12, the quick-release structure is the aforementioned quick-release structure, and the unlocking handle 5 of the shade bucket body 400 is relatively misaligned with the unlocking handle 5 of the expansion frame 100, or the prompter 500 is relatively misaligned with the unlocking handle 5 of the expansion frame 100.

In this embodiment, when the functional module includes the filter assembly and the light shielding bucket body 400, as shown in fig. 12, the unlocking handle 5 of the light shielding bucket body 400 and the unlocking handle 5 of the expansion frame 100 have a certain size difference, and the unlocking handles 5 of the two are relatively misaligned in the attached state, for example, the unlocking handle 5 of the light shielding bucket body 400 protrudes out of the unlocking handle 5 of the expansion frame 100, so that a user can conveniently pull the unlocking handle 5 of the light shielding bucket body 400 to detach the light shielding bucket body 400. Correspondingly, when the functions comprise the filter assembly and the prompter 500, the unlocking handle 5 of the prompter 500 and the unlocking handle 5 of the expansion frame 100 have a certain size difference, and the unlocking handles 5 of the prompter 500 and the expansion frame 100 are relatively staggered in the fit state, so that a user can conveniently pull the unlocking handle 5 of the prompter 500 to detach the prompter 500 if the unlocking handle 5 of the prompter 500 relatively protrudes out of the unlocking handle 5 of the expansion frame 100.

The above description is only a part of or preferred embodiments of the present invention, and neither the text nor the drawings should be construed as limiting the scope of the present invention, and all equivalent structural changes, which are made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.

Claims

1. A quick-release structure for connecting a first member to a second member, the quick-release structure comprising:

the lock tongue is arranged on the first component;

the locking part is movably arranged in the lock hole and used for locking or loosening the lock tongue.

2. The quick-release structure according to claim 1,

a clamping groove is formed on the peripheral wall of the lock tongue;

3. The quick-release structure according to claim 2,

the retaining member towards the one side of the entry of lockhole is equipped with the recess, the recess link up the relative both sides of retaining member, the card portion of holding form in a cell wall of recess and orientation the inslot of recess extends, the recess is used for the holding the free end of spring bolt.

4. The quick release structure of claim 2, further comprising:

the resetting piece is arranged in the lock hole;

the movable piece is positioned on one side, provided with the lock hole, of the second part, and one end of the movable piece is positioned in the lock hole;

5. The quick-release structure according to claim 4,

one end of the movable piece is positioned on one side of the locking piece and is abutted against the locking piece;

6. The quick-release structure according to claim 4,

the moving part comprises an unlocking handle, one end of the unlocking handle is a connecting end and is rotationally connected with the second part through a mounting shaft;

7. The quick release structure according to claim 6, wherein the connecting end of the release handle is arc-shaped.

8. The quick-release structure according to claim 6,

and the unlocking handle is provided with a magnetic part for magnetically attracting the second part.

9. The quick assembly disassembly structure of claim 8, wherein the other end of the unlocking handle is a free end, the free end of the unlocking handle can relatively approach or separate from the second component along with the rotation of the connecting end, and a handle position for shifting is formed between the free end of the unlocking handle and the connecting end.

10. The quick release structure according to claim 9, wherein the release handle is elongated and exposed from the second member, and the magnetic member is disposed at a free end of the release handle.

11. The quick-release structure according to claim 2,

when the lock tongue is inserted into the lock hole, the clamping part is contacted with the guide inclined plane, is extruded by the guide inclined plane to move along the guide inclined plane and is guided into the clamping groove; and/or

The clamping groove is an annular groove.

12. The quick-release structure according to any one of claims 6 to 11,

one side of the first component and the second component is provided with the lock tongue, the other side of the first component and the second component is provided with the lock hole, and the second component is in plug-in fit with the lock hole of the adjacent first component through the lock tongue or in plug-in fit with the lock tongue of the adjacent first component through the lock hole.

13. The quick-release structure as claimed in any one of claims 1 to 11, wherein a hook and a hook groove for hooking the hook are further provided between the first member and the second member.

14. The quick-release structure according to claim 13,

the first part and a side face of the second part are provided with the hooks, the other side face is provided with the hook grooves, the first part is hooked through the hook grooves of the second part adjacent to the first part through the hooks, and the hook grooves of the second part adjacent to the first part through the hooks.

15. The quick release structure of claim 14,

the hook and the hook groove as well as the lock tongue and the lock hole are provided with two or more pairs;

two or more pairs of hooks and hook grooves are positioned at the lower parts of the first part and the second part, two or more pairs of lock tongues and lock holes are positioned at the upper parts of the first part and the second part, and each pair of hooks and hook grooves and one pair of lock tongues and lock holes are arranged diagonally.

16. An expansion frame, comprising side frames enclosing a mounting window for mounting a filter, wherein the quick-release structure as claimed in any one of claims 1 to 15 is included between adjacent side frames for mutual connection;

the front side of the frame is provided with a lock tongue in the quick-release structure as claimed in any one of claims 1 to 15, the back side of the frame is provided with a lock hole in the quick-release structure as claimed in any one of claims 1 to 15, and the side edge of the frame is provided with a locking member in the quick-release structure as claimed in any one of claims 1 to 15.

17. An expansion frame as claimed in claim 16, wherein the side of the frame is provided with an actuator in the quick assembly disassembly structure as claimed in claim 6, the outer side of the side is provided with a limiting groove with a flaring, the limiting groove is used for accommodating the unlocking handle, and the free end of the unlocking handle is magnetically connected with the groove wall at the flaring of the limiting groove; and/or

18. An expansion frame as claimed in claim 16, wherein the front and back sides of the frame are provided with magnetic parts for attracting two adjacent expansion frames.

19. An expansion frame as claimed in claim 16, wherein the expansion frame is configured to detachably mount a plurality of filter frame members, the plurality of filter frame members are disposed in the mounting window, the filter frame members are provided with filter sheets, the frame members are open, and include:

a first side edge;

20. A filter assembly, comprising a filter frame and at least one expansion frame as claimed in any one of claims 16 to 19, wherein the filter frame is detachably mounted on the expansion frame and located in the mounting window, and a filter sheet is mounted on the filter frame.

21. The filter assembly of claim 20, wherein the expansion frame is the expansion frame of claim 19;

the filter frame is characterized in that a bulge is formed on the outer wall of each side edge of the two opposite side edges of the filter frame, the bulge is inserted into the slots, at least one of the two second side edges is provided with a clamping hole corresponding to each slot, the clamping hole is formed at one end, far away from the first side edge, of each slot, the outer wall of at least one side edge of the two opposite side edges of the filter frame is provided with a clamping column, and the clamping column is clamped in one clamping hole.

22. A photographic assisting system comprising a lens attachment frame and a functional module, the lens attachment frame and the functional module being connected by a quick-release structure as claimed in any one of claims 1 to 15.

23. The auxiliary photography system of claim 22, wherein the functional module comprises one of the filter assembly of claim 20 or 21, a gobo body, a prompter; or

The functional module comprises the filter mounting assembly and the light shielding bucket body as claimed in claim 20 or 21, the lens connecting frame is connected with the adjacent expanding frame in the filter assembly through the quick assembling and disassembling structure, and the light shielding bucket body is connected with the adjacent expanding frame in the filter assembly through the quick assembling and disassembling structure; or

The functional module comprises the filter mounting assembly as claimed in claim 20 or 21 and a prompter, the lens connecting frame is connected with the adjacent expansion frame in the filter assembly through the quick-assembly and disassembly structure, and the prompter is connected with the adjacent expansion frame in the filter assembly through the quick-assembly and disassembly structure.

24. The auxiliary photographing system of claim 23, wherein the quick-release structure is the quick-release structure of claim 12, and the unlocking handle of the light shielding bucket body and the unlocking handle of the expansion frame are relatively misaligned, or the prompter and the unlocking handle of the expansion frame are relatively misaligned.