Light shielding device and light shielding cover

Abstract

The utility model discloses a shading device which comprises a shading cover and a lens frame, the shading cover is provided with a mounting frame and a cover body arranged on the mounting frame, and the lens frame is detachably connected with the mounting frame; one of the mounting frame and the lens frame is provided with a locking groove and a clamping structure located in the locking groove, and the other one is provided with a locking and releasing assembly and a movable spring bolt; wherein the lock tongue is used for being inserted into the lock groove and buckled with the clamping structure, and the locking and releasing assembly is used for providing acting force for the lock tongue to be buckled with the clamping structure to lock the lock tongue when the lock tongue is inserted into the lock groove and is used for driving the lock tongue to move in the lock groove under the action of external force so that the lock tongue can be separated from the clamping structure to release the lock tongue. According to the shading device, the connecting structure adopted between the shading cover and the lens frame is simple in arrangement, convenient and fast to assemble and stable in connection, and good use experience can be provided for a user.

Description

Technical Field

[0001] The utility model relates to the technical field of photographic equipment, in particular to a shading device and a shading cover. Background Art

[0002] As a commonly used photographic equipment in the field of photography, a lens hood is usually installed in front of a camera lens to control the light entering the lens and reduce lens glare. Currently, when multiple filters need to be used, a lens frame is installed in front of the lens, and then the lens hood is installed on the lens frame.

[0003] However, currently the lens hood and the lens frame are generally connected by fasteners, and the adopted connection structure is relatively complex, the assembly is not convenient and the connection is not stable, which brings a poor user experience. Utility Model Content

[0004] The main purpose of the utility model is to provide a shading device, aiming to solve the technical problem that the connection structure currently used between the shading cover and the lens frame is relatively complex, resulting in inconvenient assembly and unstable connection.

[0005] To achieve the above object, the utility model provides a shading device, which includes a shading cover and a lens frame, wherein the shading cover has a mounting frame and a cover body arranged on the mounting frame, and the lens frame is detachably connected to the mounting frame;

[0006] One of the mounting frame and the lens frame is provided with a lock slot and a locking structure located in the lock slot, and the other is provided with a lock and release assembly and a movable lock tongue;

[0007] Among them, the lock tongue is used to be inserted into the lock slot and engage with the locking structure, the lock and release assembly is used to provide the lock tongue with a force to engage with the locking structure to lock the lock tongue when the lock tongue is inserted into the lock slot, and is used to drive the lock tongue to move in the lock slot under the action of external force so that the lock tongue disengages from the locking structure to release the lock tongue.

[0008] In some embodiments, a hook is formed on one end of the locking tongue for inserting into the locking slot, and the locking tongue is used to buckle with the locking structure through the hook; and / or,

[0009] The locking structure comprises a locking column, both ends of which are connected to the inner wall of the locking slot, and the central axis of the locking column is perpendicular or approximately perpendicular to the direction in which the locking tongue is inserted into the locking slot; and / or,

[0010] The lock tongue is driven by the lock and release assembly to move to engage or disengage from the locking structure in a moving direction that is perpendicular or approximately perpendicular to the insertion and extraction direction of the lock tongue in the lock slot.

[0011] In some embodiments, the lock and release assembly includes:

[0012] An unlocking control component, connected to the lock tongue, and used to apply a force to the lock tongue under the action of an external force to drive the lock tongue to move away from the locking structure;

[0013] The elastic return member is used to provide the lock tongue with a force to engage with the locking structure to lock the lock tongue when the lock tongue is inserted into the lock groove, and to apply an elastic force to the lock tongue to move and return it to its original position after the external force applied to the unlocking control component is removed.

[0014] In some embodiments, a guide surface is provided at one end of the lock tongue for inserting into the lock slot, and the guide surface is used for the locking structure to contact and squeeze when the lock tongue is inserted into the lock slot, so that the lock tongue moves along the unlocking direction and guides the lock tongue to engage with the locking structure.

[0015] In some embodiments, the locking and releasing assembly and the locking tongue are arranged on the mounting frame, a sliding cavity is arranged on the mounting frame, the locking tongue is slidably arranged in the sliding cavity, and one end of the locking tongue for buckling with the locking structure is exposed on the outer surface of the mounting frame;

[0016] One end of the unlocking control component is inserted into the sliding cavity and connected to the locking tongue, and the other end of the unlocking control component is exposed on the outer surface of the mounting frame. The elastic return member is accommodated in the sliding cavity, and one end of the elastic return member abuts against the locking tongue, and the other end of the elastic return member abuts against the cavity wall of the sliding cavity.

[0017] In some embodiments, a hook is provided on one of the lens frame and the installation frame, and a slot is provided on the other, and the lens frame and the installation frame are connected by the hook extending into the slot to form a hook.

[0018] In some embodiments, the card slot is provided with a hooking column for the hook to hook; and / or,

[0019] There are more than one hook and more than one slot, and the hooks and slots are arranged in sequence along the extension direction of one side of the lens frame and the mounting frame relative to each other.

[0020] In some embodiments, the mounting frame has a first docking surface, the lens frame has a second docking surface, and the second docking surface is connected to the first docking surface;

[0021] The locking groove is formed on one of the first mating surface of the mounting frame and the second mating surface of the lens frame, and the locking tongue is protruding and exposed on the other.

[0022] In some embodiments, one of the first docking surface of the mounting frame and the second docking surface of the lens frame is provided with a concave positioning hole, and the other is provided with a convex positioning column, and the lens frame and the mounting frame are positioned when connected by plugging the positioning column into the positioning hole; and / or,

[0023] A flexible pad is provided on at least one of the first docking surface of the mounting frame and the second docking surface of the lens frame, and the flexible pad is used to achieve flexible support between the lens frame and the mounting frame.

[0024] The utility model also provides a sunshade, which is used for detachably connecting to a lens frame, wherein the sunshade comprises a mounting frame and a cover body arranged on the mounting frame;

[0025] The installation frame is provided with a locking and releasing assembly and a movable locking tongue;

[0026] Among them, the lock tongue is used to be inserted into the lock slot on the lens frame and engage with the locking structure in the lock slot, and the lock and release assembly is used to provide the lock tongue with a force to engage with the locking structure to lock the lock tongue when the lock tongue is inserted into the lock slot, and to drive the lock tongue to move in the lock slot under the action of external force so that the lock tongue disengages from the locking structure to release the lock tongue.

[0027] In the utility model shading device, when assembling the shading hood and the lens frame, by inserting the lock tongue into the lock slot and buckling it with the snapping structure, the lock-release assembly provides a force for buckling with the snapping structure to lock the lock tongue, thereby realizing the connection and locking between the shading hood and the lens frame; when disassembling the shading hood and the lens frame, the lock-release assembly drives the lock tongue to move in the lock slot under the action of an external force so that the lock tongue is separated from the snapping structure to release the lock tongue, thereby realizing the unlocking and disassembly between the shading hood and the lens frame. In the utility model shading device, the connection structure used between the shading hood and the lens frame is simple to set, easy to assemble and stable to connect, and can provide users with a better use experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic structural diagram of a shading device in one embodiment of the utility model;

[0029] Figure 2 for Figure 1 A schematic structural diagram of the shading device in the embodiment at another viewing angle;

[0030] Figure 3 for Figure 1A cross-sectional view of a light shielding device in an embodiment;

[0031] Figure 4 for Figure 3 The enlarged view of point A in the middle;

[0032] Figure 5 for Figure 1 A schematic structural diagram of a light shield of a light shielding device in an embodiment;

[0033] Figure 6 for Figure 1 A schematic structural diagram of a portion of a shading device in an embodiment. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the scheme in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0036] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0037] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0038] The utility model embodiment provides a shading device, referring to Figures 1 to 4The shading device includes a shading cover 100 and a lens frame 200. The shading cover 100 has a mounting frame 110 and a cover body 120 disposed on the mounting frame 110. The lens frame 200 is detachably connected to the mounting frame 110.

[0039] One of the mounting frame 110 and the lens frame 200 is provided with a lock slot 10 and a locking structure 11 located in the lock slot 10, and the other is provided with a locking and releasing assembly 20 and a movable locking tongue 30;

[0040] Among them, the lock tongue 30 is used to be inserted into the lock slot 10 and engage with the locking structure 11, and the lock-release assembly 20 is used to provide the lock tongue 30 with a force to engage with the locking structure 11 to lock the lock tongue 30 when the lock tongue 30 is inserted into the lock slot 10, and to drive the lock tongue 30 to move in the lock slot 10 under the action of an external force so that the lock tongue 30 disengages from the locking structure 11 to release the lock tongue 30.

[0041] The shading device involved in this embodiment is used as a photographic accessory and is installed at the front end of a photographic lens to assist in shooting. The shading device mainly includes a structure of a sunshade 100 and a lens frame 200. The cover body 120 of the sunshade 100 is arranged on its mounting frame 110 and extends outward from one side of its mounting frame 110, and the lens frame 200 is detachably connected to the other side of the mounting frame 110. Among them, the sunshade 100 mainly plays a role in blocking stray light, etc., and the lens frame 200 can be installed with a lens to adjust the image quality of the image. The type of lens can be various, such as a filter lens, etc., including but not limited to this. Optionally, a mounting cavity and a take-and-drop port connected to the mounting cavity can be provided on the lens frame 200, and the user can insert a lens into the mounting cavity from the take-and-drop port, or take out the lens in the mounting cavity from the take-and-drop port.

[0042] Specifically, the mounting frame 110 and the lens frame 200 are detachably connected by the provided lock slot 10, the positioning structure 11 in the lock slot 10, the locking assembly 20 and the locking tongue 30. Optionally, the lens frame 200 is provided with a lock slot 10 and a positioning structure 11 in the lock slot 10, and the mounting frame 110 is provided with a locking assembly 20 and a movable locking tongue 30; or, the mounting frame 110 is provided with a lock slot 10 and a positioning structure 11 in the lock slot 10, and the lens frame 200 is provided with a locking assembly 20 and a movable locking tongue 30. That is, the setting objects of the lock slot 10 and the positioning structure 11 (lens frame 200 or mounting frame 110), and the setting objects of the locking assembly 20 and the locking tongue 30 (mounting frame 110 or lens frame 200) can be set according to actual conditions. Preferably, the lens frame 200 is provided with a lock slot 10 and a locking structure 11 located in the lock slot 10 , and the mounting frame 110 is provided with a lock and release assembly 20 and a movable lock tongue 30 .

[0043] The lock slot 10 may be a long strip of slot body with a certain length, and the locking structure 11 may be a locking piece detachably arranged in the lock slot 10, or may be a locking protrusion formed integrally on the slot wall of the lock slot 10, etc. The specific structure may be set according to actual conditions and is not limited thereto. The lock tongue 30 may move in the lock slot 10 when inserted in the lock slot 10. Specifically, the movement of the lock tongue 30 in the lock slot 10 may include moving toward the locking structure 11 to engage with it and achieve its own locking; and moving away from the locking structure 11 to disengage from it and achieve its own release. Optionally, the movement direction of the lock tongue 30 is the same as the length direction of the lock slot 10.

[0044] The function of the lock-release assembly 20 is to provide a force for the lock tongue 30 so that the lock tongue 30 is engaged with the locking structure 11 for locking, and to drive the lock tongue 30 to move in the lock slot 10 under the action of an external force so that the lock tongue 30 is separated from the locking structure 11 for unlocking. In actual application, the lock-release assembly 20 can be a manual control assembly or an electric control assembly, and the external force involved can be a manually applied force or an electric driving force, which is not limited in this embodiment. The component composition of the lock-release assembly 20 can include multiple components, and any component composition of the lock-release assembly 20 that can achieve the above-mentioned functions and locking and releasing forms can be selected, which is not limited in this embodiment.

[0045] When assembling the sun hood 100 and the lens frame 200, by connecting the mounting frame 110 of the sun hood 100 with the lens frame 200, the locking tongue 30 is correspondingly inserted into the locking groove 10 and engaged with the locking structure 11, and the locking and releasing assembly 20 provides a force to keep the locking tongue 30 engaged with the locking structure 11, thereby realizing the insertion and locking of the locking tongue 30 to limit the locking tongue 30 from being pulled out of the locking groove 10, thereby realizing the connection and locking between the sun hood 100 and the lens frame 200.

[0046] When the sun hood 100 and the lens frame 200 are separated, the locking and releasing assembly 20 drives the locking tongue 30 to move in the locking groove 10 under the action of external force so that the locking tongue 30 disengages from the locking structure 11 to release the locking tongue 30, thereby realizing the insertion and unlocking of the locking tongue 30, allowing the locking tongue 30 to be pulled out of the locking groove 10, thereby realizing the unlocking and separation between the sun hood 100 and the lens frame 200.

[0047] In the shading device of the present invention, the connection structure adopted between the shading cover 100 and the lens frame 200 is simple to set, easy to assemble and stable in connection, and can provide users with a better use experience.

[0048] In some embodiments, reference Figure 4 and Figure 5The lock tongue 30 is formed with a hook body 31 at one end thereof for inserting into the lock slot 10, and the lock tongue 30 is used to buckle with the locking structure 11 through the hook body 31. In practical applications, when the lock tongue 30 is inserted into the lock slot 10, the hook body 31 at one end thereof is buckled with the locking structure 11, and the buckling is stable and not easy to loosen. Specifically, a hook groove adapted to the locking structure 11 is formed at the hook body 31 of the lock tongue 30, and the locking structure 11 is buckled with the hook groove of the hook body 31. Optionally, the buckling direction of the hook body 31 of the lock tongue 30 and the locking structure 11 is parallel to the insertion and removal direction of the lock tongue 30.

[0049] And / or, in some embodiments, referring to Figure 4 and Figure 6 The locking structure 11 includes a locking column 11A, both ends of which are connected to the inner wall of the lock slot 10, and the central axis of the locking column 11A is perpendicular or approximately perpendicular to the direction in which the lock tongue 30 is inserted into the lock slot 10. In practical applications, when the lock tongue 30 is inserted into the lock slot 10, it is locked by buckling with the locking column 11A.

[0050] And / or, in some embodiments, referring to Figure 4 and Figure 6 , the moving direction of the lock tongue 30 driven by the lock-release assembly 20 to engage or disengage the locking structure 11 is perpendicular or approximately perpendicular to the insertion and extraction direction of the lock tongue 30 in the lock slot 10. Optionally, the moving direction of the lock tongue 30 driven by the lock-release assembly 20 to engage or disengage the locking structure 11 is a first horizontal direction, the insertion and extraction direction of the lock tongue 30 in the lock slot 10 is a second horizontal direction, and the first horizontal direction is perpendicular or approximately perpendicular to the second horizontal direction.

[0051] In some embodiments, reference Figure 4 and Figure 5 The locking and releasing assembly 20 comprises:

[0052] The unlocking control component 21 is connected to the lock tongue 30 and is used to apply a force to the lock tongue 30 under the action of an external force to drive the lock tongue 30 to move away from the locking structure 11;

[0053] The elastic return member 22 is used to provide the lock tongue 30 with a force to engage with the locking structure 11 to lock the lock tongue 30 when the lock tongue 30 is inserted into the lock slot 10, and to apply an elastic force to the lock tongue 30 to move and return it to its original position after the external force applied to the unlocking control component 21 is removed.

[0054] In this embodiment, the assembly process of the mounting frame 110 of the sun hood 100 and the lens frame 200 can be as follows: apply external force to the unlocking control component 21, so that the unlocking control component 21 applies force to the lock tongue 30 to drive the lock tongue 30 to move along the unlocking direction, avoid the locking structure 11 and reserve a snap-fit ​​position with the locking structure 11; then insert the lock tongue 30 into the lock slot 10 and make it reach the insertion position; then, cancel the external force applied to the unlocking control component 21, and the unlocking control component 21 releases the control of the lock tongue 30, and the elastic force applied to the lock tongue 30 by the elastic reset member 22 causes the lock tongue 30 to move along the locking direction under the action of the elastic reset member 22 for reset, and then engage with the locking structure 11 at the locking position, and the lock tongue 30 remains engaged with the locking structure 11 to achieve locking; in the locked state, the mounting frame 110 of the sun hood 100 and the lens frame 200 are inseparable, thereby completing the assembly of the mounting frame 110 of the sun hood 100 and the lens frame 200.

[0055] The disassembly process of the mounting frame 110 and the lens frame 200 of the sun hood 100 can be as follows: applying external force to the unlocking control component 21, so that the unlocking control component 21 applies force to the lock tongue 30 to drive the lock tongue 30 to move along the unlocking direction, and the lock tongue 30 is disengaged from the locking structure 11 and gradually moves away from the locking structure 11 to achieve unlocking; in the unlocked state, the mounting frame 110 and the lens frame 200 of the sun hood 100 can be separated, and then the lock tongue 30 is pulled out of the lock slot 10, thereby completing the disassembly of the mounting frame 110 and the lens frame 200 of the sun hood 100.

[0056] Among them, the unlocking control component 21 can be an unlocking button or other structural forms, and the elastic reset member 22 can be a spring, etc., which can be set according to actual conditions.

[0057] In some embodiments, reference Figure 4 and Figure 5 A guide surface D is provided at one end of the lock tongue 30 for inserting into the lock slot 10. The guide surface D is used for contacting and squeezing the locking structure 11 when the lock tongue 30 is inserted into the lock slot 10, so that the lock tongue 30 moves along the unlocking direction and guides the lock tongue 30 to engage with the locking structure 11.

[0058] In this embodiment, the guide surface D is a guide slope or a guide arc surface, which can be set according to actual conditions. When the lock tongue 30 is inserted into the lock slot 10, as the insertion depth increases, the locking structure 11 contacts the guide surface D of the lock tongue 30 to squeeze it and move along the guide surface D. During this process, the lock tongue 30 is in a moving state of continuously moving along the unlocking direction; and after the lock tongue 30 is inserted into place, the lock tongue 30 moves to a position where it is engaged with the locking structure 11 (such as the notch of the hook groove at the hook body 31 at one end of the lock tongue 30 is opposite to the locking structure 11), and then under the elastic force of the elastic reset member 22, the lock tongue 30 moves along the locking direction to reset, so that the lock tongue 30 automatically engages with the locking structure 11, and the elastic reset member 22 provides the lock tongue 30 with a force to engage with the locking structure 11, thereby achieving locking. That is, in this embodiment, during assembly, the mounting frame 110 of the sun hood 100 is connected to the lens frame 200, and the locking tongue 30 is correspondingly inserted into the locking groove 10, and then an external force is applied to press the mounting frame 110 and the lens frame 200 relative to each other, and the locking tongue 30 will automatically engage with the locking structure 11 in the locking groove 10, thereby realizing automatic locking of the mounting frame 110 and the lens frame 200, which is simple to operate and easy to use.

[0059] In some embodiments, reference Figure 4 and Figure 5 The locking assembly 20 and the locking tongue 30 are arranged on the installation frame 110. The installation frame 110 is provided with a sliding cavity H. The locking tongue 30 is slidably arranged in the sliding cavity H. One end of the locking tongue 30 for buckling with the locking structure 11 is exposed on the outer surface of the installation frame 110.

[0060] One end of the unlocking operating component 21 is inserted into the sliding cavity H and connected to the lock tongue 30, and the other end of the unlocking operating component 21 is exposed on the outer surface of the mounting frame 110. The elastic return member 22 is accommodated in the sliding cavity H, and one end of the elastic return member 22 abuts against the lock tongue 30, and the other end of the elastic return member 22 abuts against the cavity wall of the sliding cavity H.

[0061] In this embodiment, the sliding cavity H on the mounting frame 110 has two cavity openings, and optionally, the two cavity openings of the sliding cavity H are respectively arranged on two different outer surfaces of the mounting frame 110. The lock tongue 30 is located in the sliding cavity H and slides with the sliding cavity H. One end of the lock tongue 30 used for buckling with the positioning structure 11 passes through one of the cavity openings of the sliding cavity H to be exposed on the outer surface of the mounting frame 110; in the lock-release assembly 20, one end of the unlocking control component 21 is connected to the lock tongue 30 in the sliding cavity H, and the other end of the unlocking control component 21 passes through another cavity opening of the sliding cavity H to be exposed on the outer surface of the mounting frame 110 for manual operation by the user. The elastic reset member 22 is entirely accommodated in the sliding cavity H to act on the lock tongue 30, thereby realizing a compact structure.

[0062] In some embodiments, reference Figure 2 , Figure 5 and Figure 6 , a hook 40 is provided on one of the lens frame 200 and the mounting frame 110, and a slot 50 is provided on the other. The lens frame 200 and the mounting frame 110 are hooked together by the hook 40 extending into the slot 50 to achieve connection. In this embodiment, the hook 40 may be provided on the lens frame 200, and the slot 50 may be provided on the mounting frame 110; or the hook 40 may be provided on the mounting frame 110, and the slot 50 may be provided on the lens frame 200, which is provided according to actual conditions. Preferably, the hook 40 is provided on the mounting frame 110, and the slot 50 is provided on the lens frame 200. When the lens frame 200 is assembled with the mounting frame 110 of the sunshade 100, the hook 40 and the slot 50 are first hooked together to perform assembly alignment between the two, and then the lock tongue 30 is inserted into the lock slot 10 and buckled with the positioning structure 11, and then the quick connection and locking are achieved.

[0063] Optionally, the lens frame 200 and the mounting frame 110 have a first side edge (such as an upper side edge) and a second side edge (such as a lower side edge) that are relative to each other. The second side edge and the first side edge are two relative sides. The locking tongue 30 and the locking groove 10 are arranged on the first side edge of the lens frame 200 and the mounting frame 110 that are relative to each other, and the hook 40 and the slot 50 are arranged on the second side edge of the lens frame 200 and the mounting frame 110 that are relative to each other.

[0064] In some embodiments, reference Figure 2 , Figure 5 and Figure 6 , a hooking column 51 for hooking the hook 40 is provided in the slot 50. In practical application, the hook 40 is inserted into the slot 50 and hooked with the hooking column 51 in the slot 50 to achieve connection, and the hooking is stable and not easy to loosen.

[0065] And / or, in some embodiments, referring to Figure 2 , Figure 5 and Figure 6 , more than one hook 40 and slot 50 are provided, and more than one hook 40 and slot 50 are sequentially arranged along the extension direction of one side of the relative position of the lens frame 200 and the mounting frame 110. In the present embodiment, more than one hook 40 and slot 50 are provided, and the specific number can be set according to the actual situation, and there is no limitation on this. Taking the extension direction of one side of the relative position of the lens frame 200 and the mounting frame 110 as the reference direction, more than one hook 40 and slot 50 are sequentially arranged. As an example, two hooks 40 and slot 50 are provided, and two hooks 40 and slot 50 are sequentially arranged on the lower side of the relative position of the lens frame 200 and the mounting frame 110. By correspondingly hooking the more than one hook 40 and slot 50, the connection stability between the lens frame 200 and the mounting frame 110 can be improved.

[0066] In some embodiments, reference Figure 5 and Figure 6 , the mounting frame 110 has a first docking surface J1, and the lens frame 200 has a second docking surface J2, and the second docking surface J2 is connected to the first docking surface J1;

[0067] A locking groove 10 is formed on one of the first mating surface J1 of the mounting frame 110 and the second mating surface J2 of the lens frame 200 , and a locking tongue 30 is protruded and exposed on the other.

[0068] In this embodiment, when the mounting frame 110 is provided with a locking tongue 30 and the lens frame 200 is provided with a locking groove 10, the locking tongue 30 protrudes and is exposed on the first docking surface J1 of the mounting frame 110, and the locking groove 10 is formed on the second docking surface J2 of the lens frame 200; when the mounting frame 110 is provided with a locking groove 10 and the lens frame 200 is provided with a locking tongue 30, the locking groove 10 is formed on the first docking surface J1 of the mounting frame 110, and the locking tongue 30 protrudes and is exposed on the second docking surface J2 of the lens frame 200. It is easy to understand that when the mounting frame 110 and the lens frame 200 are assembled, the first docking surface J1 is connected to the second docking surface J2, and the locking tongue 30 can be correspondingly inserted into the locking groove 10 and buckled with the locking structure 11 in the locking groove 10.

[0069] In some embodiments, reference Figures 4 to 6 , one of the first docking surface J1 of the mounting frame 110 and the second docking surface J2 of the lens frame 200 is provided with a recessed positioning hole 60, and the other is provided with a convex positioning post 70, and the lens frame 200 and the mounting frame 110 are positioned when connected by the insertion of the positioning post 70 and the positioning hole 60. In this embodiment, the first docking surface J1 of the mounting frame 110 may be provided with a recessed positioning hole 60, and the second docking surface J2 of the lens frame 200 may be provided with a convex positioning post 70; or the second docking surface J2 of the lens frame 200 may be provided with a recessed positioning hole 60, and the first docking surface J1 of the mounting frame 110 may be provided with a convex positioning post 70. When the mounting frame 110 and the lens frame 200 are assembled, the first docking surface J1 and the second docking surface J2 are in contact with each other, and the positioning post 70 is inserted into the positioning hole 60 to achieve positioning when connected. In addition, after the mounting frame 110 and the lens frame 200 are assembled, the positioning posts 70 and the positioning holes 60 are plugged in and matched, so that the two are tightly connected and not easy to loosen. Among them, the positioning holes 60 and the positioning posts 70 can be set in one or more groups, according to the actual situation. Optionally, the positioning holes 60 and the positioning posts 70 are set in two groups, and the two groups of positioning holes 60 and positioning posts 70 are arranged on both sides of the lock tongue 30 and the lock slot 10 in the horizontal direction.

[0070] And / or, in some embodiments, referring to Figure 6, a flexible pad R is provided on at least one of the first docking surface J1 of the mounting frame 110 and the second docking surface J2 of the lens frame 200, and the flexible pad R is used to realize flexible support between the lens frame 200 and the mounting frame 110. In this embodiment, the flexible pad R can be provided on the first docking surface J1 of the mounting frame 110, or on the second docking surface J2 of the lens frame 200, or on both the first docking surface J1 of the mounting frame 110 and the second docking surface J2 of the lens frame 200, according to actual conditions. Optionally, the flexible pad R can be a long strip of flexible pad R, which is extended on the mounting frame 110 and / or the lens frame 200 along its length direction or width direction. Among them, the flexible pad R can be made of silicone material, including but not limited to this. It is easy to understand that when the mounting frame 110 is assembled with the lens frame 200, the first docking surface J1 is connected to the second docking surface J2, the flexible pad R on the first docking surface J1 is in contact with the second docking surface J2 and provides docking support thereto, and / or the flexible pad R on the second docking surface J2 is in contact with the first docking surface J1 and provides docking support thereto, which can eliminate the fitting clearance tolerance between the first docking surface J1 and the second docking surface J2 and improve the fitting stability.

[0071] The present utility model embodiment also provides a shade 100 for detachably connecting to a lens frame 200, wherein, referring to Figures 1 to 4 , the light shield 100 includes a mounting frame 110 and a shield body 120 disposed on the mounting frame 110;

[0072] The mounting frame 110 is provided with a locking and releasing assembly 20 and a movable locking tongue 30;

[0073] Among them, the locking tongue 30 is used to be inserted into the locking slot 10 on the lens frame 200 and engage with the locking structure 11 in the locking slot 10. The locking and releasing assembly 20 is used to provide the locking tongue 30 with a force to engage with the locking structure 11 to lock the locking tongue 30 when the locking tongue 30 is inserted into the locking slot 10, and is used to drive the locking tongue 30 to move in the lock slot 10 under the action of external force so that the locking tongue 30 disengages from the locking structure 11 to release the locking tongue 30.

[0074] In this embodiment, the sunshade 100 mainly plays the role of blocking stray light, and the lens frame 200 can be installed with lenses for adjusting the image quality. The types of lenses can be various, such as filter lenses, etc., including but not limited to these. Optionally, the lens frame 200 can be provided with an installation cavity and a take-in and put-out port connected to the installation cavity, and the user can insert the lens into the installation cavity from the take-in and put port, or take the lens out of the installation cavity from the take-in and put port.

[0075] Among them, the lock slot 10 on the lens frame 200 can be a long strip of slot body with a certain length, and the locking structure 11 can be a locking piece independently arranged in the lock slot 10, or it can be a locking protrusion integrally formed on the slot wall of the lock slot 10, etc., and there is no limitation on this.

[0076] When the locking tongue 30 on the mounting frame 110 is inserted into the locking slot 10, it can move in the locking slot 10. Specifically, the movement of the locking tongue 30 in the locking slot 10 can include moving toward the locking structure 11 to engage with it to achieve its own locking; and moving away from the locking structure 11 to disengage from it to achieve its own release. Optionally, the movement direction of the locking tongue 30 is the same as the length direction of the locking slot 10.

[0077] The function of the lock-release assembly 20 is to provide a force for the lock tongue 30 so that the lock tongue 30 is engaged with the locking structure 11 for locking, and to drive the lock tongue 30 to move in the lock slot 10 under the action of an external force so that the lock tongue 30 is separated from the locking structure 11 for unlocking. In actual application, the lock-release assembly 20 can be a manual control assembly or an electric control assembly, and the external force involved can be a manually applied force or an electric driving force, which is not limited in this embodiment. The component composition of the lock-release assembly 20 can include multiple components, and any component composition of the lock-release assembly 20 that can achieve the above-mentioned functions and locking and releasing forms can be selected, which is not limited in this embodiment.

[0078] When assembling the sun hood 100 and the lens frame 200, by connecting the mounting frame 110 of the sun hood 100 with the lens frame 200, the locking tongue 30 is correspondingly inserted into the locking groove 10 and engaged with the locking structure 11, and the locking and releasing assembly 20 provides a force to keep the locking tongue 30 engaged with the locking structure 11, thereby realizing the insertion and locking of the locking tongue 30 to limit the locking tongue 30 from being pulled out of the locking groove 10, thereby realizing the connection and locking between the sun hood 100 and the lens frame 200.

[0079] When the sun hood 100 and the lens frame 200 are separated, the locking and releasing assembly 20 drives the locking tongue 30 to move in the locking groove 10 under the action of external force so that the locking tongue 30 disengages from the locking structure 11 to release the locking tongue 30, thereby realizing the insertion and unlocking of the locking tongue 30, allowing the locking tongue 30 to be pulled out of the locking groove 10, thereby realizing the unlocking and separation between the sun hood 100 and the lens frame 200.

[0080] The connection structure adopted between the sunshade 100 and the lens frame 200 of the utility model is simple to set, easy to assemble and stable in connection, and can provide users with a better use experience.

[0081] The above description is only a partial or preferred embodiment of the present invention. Neither the text nor the drawings can limit the scope of protection of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the overall concept of the present invention, or direct / indirect application in other related technical fields are included in the scope of protection of the present invention.

Claims

1. A shading device, characterized in that: It comprises a sunshade and a lens frame, wherein the sunshade comprises a mounting frame and a cover body arranged on the mounting frame, and the lens frame is detachably connected to the mounting frame; One of the mounting frame and the lens frame is provided with a lock slot and a locking structure located in the lock slot, and the other is provided with a lock and release assembly and a movable lock tongue; Among them, the lock tongue is used to be inserted into the lock slot and engage with the locking structure, the lock and release assembly is used to provide the lock tongue with a force to engage with the locking structure to lock the lock tongue when the lock tongue is inserted into the lock slot, and is used to drive the lock tongue to move in the lock slot under the action of external force so that the lock tongue disengages from the locking structure to release the lock tongue.

2. The shading device according to claim 1, characterized in that: A hook is formed on one end of the lock tongue for inserting into the lock slot, and the lock tongue is used to be buckled with the locking structure through the hook; and / or, The locking structure comprises a locking column, both ends of which are connected to the inner wall of the locking slot, and the central axis of the locking column is perpendicular or approximately perpendicular to the direction in which the locking tongue is inserted into the locking slot; and / or, The lock tongue is driven by the lock and release assembly to move to engage or disengage from the locking structure in a moving direction that is perpendicular or approximately perpendicular to the insertion and extraction direction of the lock tongue in the lock slot.

3. The shading device according to claim 2, characterized in that: The locking and releasing assembly comprises: An unlocking control component, connected to the lock tongue, and used to apply a force to the lock tongue under the action of an external force to drive the lock tongue to move away from the locking structure; The elastic return member is used to provide the lock tongue with a force to engage with the locking structure to lock the lock tongue when the lock tongue is inserted into the lock groove, and to apply an elastic force to the lock tongue to move and return it to its original position after the external force applied to the unlocking control component is removed.

4. The shading device according to claim 3, characterized in that: A guide surface is provided at one end of the lock tongue for inserting into the lock slot, and the guide surface is used for the locking structure to contact and squeeze when the lock tongue is inserted into the lock slot, so that the lock tongue moves along the unlocking direction and guides the lock tongue to engage with the locking structure.

5. The shading device according to claim 3, characterized in that: The locking and releasing assembly and the locking tongue are arranged on the installation frame, the installation frame is provided with a sliding cavity, the locking tongue is slidably arranged in the sliding cavity, and one end of the locking tongue for buckling with the locking structure is exposed on the outer surface of the installation frame; One end of the unlocking control component is inserted into the sliding cavity and connected to the locking tongue, and the other end of the unlocking control component is exposed on the outer surface of the mounting frame. The elastic return member is accommodated in the sliding cavity, and one end of the elastic return member abuts against the locking tongue, and the other end of the elastic return member abuts against the cavity wall of the sliding cavity.

6. The shading device according to claim 1, characterized in that: One of the lens frame and the installation frame is provided with a hook, and the other is provided with a slot. The lens frame and the installation frame are connected by the hook extending into the slot to form a hook.

7. The shading device according to claim 6, characterized in that: The card slot is provided with a hooking column for the hook to hook; and / or, There are more than one hook and more than one slot, and the hooks and slots are arranged in sequence along the extension direction of one side of the lens frame and the mounting frame relative to each other.

8. The shading device according to any one of claims 1 to 7, characterized in that: The mounting frame has a first docking surface, and the lens frame has a second docking surface, and the second docking surface is connected to the first docking surface; The locking groove is formed on one of the first mating surface of the mounting frame and the second mating surface of the lens frame, and the locking tongue is protruding and exposed on the other.

9. The shading device according to claim 8, characterized in that: One of the first mating surface of the mounting frame and the second mating surface of the lens frame is provided with a concave positioning hole, and the other is provided with a convex positioning column, and the lens frame and the mounting frame are positioned when connected by plugging the positioning column into the positioning hole; and / or, A flexible pad is provided on at least one of the first docking surface of the mounting frame and the second docking surface of the lens frame, and the flexible pad is used to achieve flexible support between the lens frame and the mounting frame.

10. A lens hood for detachably connecting to a lens frame, characterized in that: The light shield comprises a mounting frame and a shield body arranged on the mounting frame; The installation frame is provided with a locking and releasing assembly and a movable locking tongue; Among them, the lock tongue is used to be inserted into the lock slot on the lens frame and engage with the locking structure in the lock slot, and the lock and release assembly is used to provide the lock tongue with a force to engage with the locking structure to lock the lock tongue when the lock tongue is inserted into the lock slot, and to drive the lock tongue to move in the lock slot under the action of external force so that the lock tongue disengages from the locking structure to release the lock tongue.

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