CN211086873U

CN211086873U - Filter support and lens hood

Info

Publication number: CN211086873U
Application number: CN202020931268.8U
Authority: CN
Inventors: 唐唯; 张健磊
Original assignee: Shenzhen Leqee Network Technology Co ltd
Current assignee: Shenzhen Leqee Network Technology Co ltd; Shenzhen Leqi Network Technology Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-07-24
Anticipated expiration: 2030-05-28
Also published as: WO2021239122A1

Abstract

The application provides a filter support and lens hood, filter support includes: diapire, lateral wall and elasticity locating part, diapire have dodge the hole of dodging of light, form the filter mounting groove between lateral wall and the diapire, and the elasticity locating part is installed in the lateral wall, and elasticity locating part at least partial structure is located the filter mounting groove with fixed filter, and the elasticity locating part can remove to the direction of keeping away from the filter mounting groove to release the filter. This application sets up elasticity locating part through setting up on the filter support, but elasticity locating part elasticity aversion perhaps resets to the not equidimension filter of joint, easy operation has improved the practicality greatly, and the stable in structure of filter support is reliable, and user experience is good.

Description

Filter support and lens hood

Technical Field

The application relates to the technical field of photographic equipment, in particular to a filter support and a lens hood.

Background

In order to change or improve the image effect, a photographer generally sets a filter in front of a lens of a camera or a camcorder, the filter is installed in front of the lens through a filter holder, and the filter is mainly used for intercepting ultraviolet rays, protecting the lens, and adjusting the photographing effect.

In the prior art, a filter support can only be used in cooperation with a filter of one model, and the filter of different models (different sizes) can not be installed on one filter support, so that the filter support is required to be replaced to adapt to the assembly of filters of different sizes every time the filter support is used, and the operation process is complicated.

In view of this, the present application is specifically made.

SUMMERY OF THE UTILITY MODEL

A first aim at of this application provides a filter support, and stable in structure is reliable, the filter of mountable equidimension not, and easy operation has improved the practicality greatly.

The basic concept of the technical scheme of the application is as follows:

a filter carrier, comprising:

a bottom wall having an avoidance hole for avoiding light;

the side wall and the bottom wall form a filter mounting groove; and

the elastic limiting part is arranged on the side wall, at least part of the structure of the elastic limiting part is positioned in the filter mounting groove to fix the filter, and the elastic limiting part can move in the direction away from the filter mounting groove to release the filter.

Preferably, the elastic limiting member comprises a fixed plate, at least one elastic member and a movable member, the fixed plate is installed on one side of the side wall away from the filter mounting groove, the bottom end of the movable member penetrates through the fixed plate and the side wall to the inside of the filter mounting groove, the movable member is movably connected to the fixed plate, and the elastic member is pressed and limited between the bottom end of the movable member and the fixed plate;

when the movable piece is pulled, the bottom end of the movable piece is close to the fixed plate to release the filter, when the movable piece is released, the movable piece elastically resets under the action of the elastic piece, and the bottom end of the movable piece is far away from the fixed plate to press and fix the filter.

Preferably, the moving part includes first stopper, second stopper and at least one connecting rod, first stopper is located the moving part bottom, first stopper and second stopper connect respectively in the both ends of connecting rod, the fixed plate has the perforating hole, the connecting rod activity is held the perforating hole, the elastic component spacing in first stopper with between the fixed plate, first stopper part or whole stretch into in the filter mounting groove.

Preferably, the first limiting block comprises a supporting surface and at least one convex rib arranged on the supporting surface, the supporting surface can be supported on the peripheral side end surface of the filter, and the convex rib can be clamped on the edge of the filter;

or, be equipped with at least one boss on the supporting surface, the bottom surface of boss is used for pressing the week side terminal surface of holding the filter, and is adjacent form the constant head tank between the boss, the constant head tank is used for holding and locates the protruding muscle of lateral wall, the protruding muscle of lateral wall can the joint in the border of filter.

Preferably, the lateral wall is provided with a limiting part mounting groove for mounting the elastic limiting part, the limiting part mounting groove is communicated with the filter mounting groove, the fixing plate is mounted on the groove wall of one side of the filter mounting groove deviated from the limiting part mounting groove, the connecting rod runs through the limiting part mounting groove, and the first limiting part can move up and down in the limiting part mounting groove.

Preferably, a lens locking portion is arranged on a side wall of the avoidance hole, which is far away from the filter mounting groove, and comprises a clamping ring and a locking rod, the clamping ring is used for clamping the lens, the clamping ring is provided with a first connecting end and a second connecting end, the first connecting end is provided with a thread groove, the second connecting end is provided with a through hole, the clamping ring is arranged around the side wall of the avoidance hole, one side of the clamping ring, which is provided with the first connecting end or the second connecting end, is connected with the side wall of the avoidance hole, and a gap is formed between the other side of the clamping ring and the side wall of the avoidance hole; and

the locking rod is provided with a limiting convex part, the locking rod can penetrate through the through hole to be connected to the thread groove in a threaded mode, and the limiting convex part abuts against the second connecting end.

Preferably, the filter support comprises a lens limiting part, the lens limiting part comprises at least one annular lantern ring and an inner ring, a large lantern ring is sleeved with a small lantern ring, the small lantern ring is sleeved with the inner ring in the snap ring, the lantern ring is provided with a split, the split is used for expanding or reducing the inner diameter of the lantern ring, and the inner ring is sleeved at the lens end of the camera;

or, the camera lens locating part includes that at least one is the annular lantern ring, the breach has been seted up to the lantern ring, the breach is used for enlarging or dwindles the lantern ring internal diameter, and the little lantern ring is cup jointed to the big lantern ring, the lantern ring is used for the suit in the camera lens end of camera.

Preferably, the side wall is provided with an insertion groove communicated with the filter mounting groove, and the filter is inserted into the filter mounting groove through the insertion groove;

the filter support further comprises a cover body, and the cover body is used for opening or covering the insertion groove.

Preferably, the fixing plate and the first limiting block are correspondingly provided with at least one groove or protrusion, the groove is used for being accommodated at one end of the elastic element, and the protrusion is used for being inserted into one end of the elastic element;

or the surface of the groove or the bulge has magnetism;

or the elastic piece is sleeved on the surface of the connecting rod;

and/or the bottom wall is provided with a friction pad which extends along the edge of the avoidance hole;

and/or the side wall is provided with a friction pad;

and/or the second limiting block is provided with a handle part for pulling the second limiting block.

A second objective of the present application is to provide a light shield, which comprises a housing and the above-mentioned filter support, wherein the side wall of the filter support is detachably or fixedly connected to the housing.

The technical scheme provided by the application can achieve the following beneficial effects:

the filter support of this application includes: diapire, lateral wall and elasticity locating part, the diapire has dodges the hole, the lateral wall with form the filter mounting groove between the diapire, the elasticity locating part install in the lateral wall, elasticity locating part at least partial structure is located in the filter mounting groove, elasticity locating part ability elastic displacement to dodge the filter, perhaps, elasticity locating part ability elasticity resets, in order to extrude the filter, thereby it is fixed the filter. This application is through setting up the elasticity locating part on the filter support, but the elasticity locating part shifts from top to bottom to the not equidimension filter of joint, easy operation has improved the practicality greatly, and the stable in structure of filter support is reliable, and user experience is good.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application without limiting the application in any way. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a schematic perspective view of a light shield provided in an embodiment of the present application;

fig. 2 is an exploded view of a light shield provided in an embodiment of the present application;

FIG. 3 is a schematic perspective view of a filter holder provided in an embodiment of the present application;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a schematic structural view of an elastic limiting member of a filter holder according to an embodiment of the present disclosure;

FIG. 6 is a schematic perspective view of another filter holder provided in an embodiment of the present application;

FIG. 7 is an enlarged view of portion B of FIG. 6;

FIG. 8 is a schematic structural diagram of the elastic limiting member in FIG. 6;

FIG. 9 is a perspective view of another perspective of a filter holder provided in an embodiment of the present application;

FIG. 10 is a schematic view of a filter holder with a lens stop according to an embodiment of the present disclosure;

fig. 11 is an exploded view of fig. 10.

Reference numerals:

1-a filter support;

11-a bottom wall;

111-avoiding holes;

12-a side wall;

121-a stopper mounting groove;

122-third ribs;

123-a fourth rib;

124-insertion slot;

125-a cover body;

126-bead of side wall

13-an elastic limit piece;

131-a fixed plate;

132-an elastic member;

133-a movable member;

1331-a first stopper;

13311-a first bead;

13312-second ribs;

13313-boss;

1332-a second stop block;

13321-a handle portion;

1333-a connecting rod;

14-a friction pad;

15-lens locking part;

151-a snap ring;

1511-first connection end;

1512-a second connection end;

152-a locking lever;

16-a collar;

161-breach.

2-a housing;

21-a first annular wall;

22-a second annular wall;

23-a main shell wall;

3-a filter.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

It should be noted that the drawings and written description are not intended to limit the scope of the inventive concepts of the present application in any way, but rather to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments.

Detailed Description

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

Example one

Referring to fig. 1 and 2, the present embodiment provides a light shield including a housing 2 and a filter support 1, a filter 3 mounted on the filter support 1, and the filter support 1 connected to the housing 2.

Specifically, the housing 2 includes a first annular wall 21, a second annular wall 22, and a main housing wall 23 connecting the first annular wall 21 and the second annular wall 22, and the filter holder 1 is fitted in the second annular wall 22.

The light shield may further comprise a flag, which is connected to the housing 2 and/or the filter support 1 and may be located at an upper side of the first annular wall 21, the flag further enhancing the light shielding effect.

Example two

Referring to fig. 1 to 11, the present embodiment will explain the filter holder 1 in the first embodiment in detail.

Specifically, the filter holder 1 includes: diapire 11, lateral wall 12 and elasticity locating part 13, diapire 11 have dodge hole 111, dodge hole 111 and be used for dodging the light, and lateral wall 12 connects in diapire 11, forms the filter mounting groove between lateral wall 12 and the diapire 11, and elasticity locating part 13 is installed in lateral wall 12, and elasticity locating part 13 at least partial structure is located the filter mounting groove, extrudes filter 3 to fixed filter 3. The elastic limiting piece 13 can move in the direction away from the filter mounting groove to release the filter 3. The second annular wall 22 of the filter support 1 may be connected to the side wall 12 through a fixing structure, for example, the fixing structure may be a rivet, the second annular wall 22 and the side wall 12 are riveted together by a plurality of rivets, and the fixing structure may also be other structures, such as a buckle, a screw, and the like.

In this embodiment, the elastic limiting element 13 may be installed at the top end of the sidewall 12, and the elastic limiting element 13 cooperates with the bottom end of the sidewall 12 to clamp the fixed filter, or the elastic limiting element 13 may be installed at a side surface of the sidewall 12 to cooperate with another side surface of the sidewall 12 to clamp the fixed filter. Through set up elasticity locating part 13 on filter support 1, but elasticity locating part 13 elasticity aversion to the not equidimension filter of joint, easy operation has improved the practicality greatly, and filter support 1's stable in structure is reliable, and user experience is good.

Referring to fig. 3 to 8, in a possible embodiment, the side wall 12 is provided with a limiting member mounting groove 121, the elastic limiting member 13 includes a fixed plate 131, at least one elastic member 132 and a movable member 133, the limiting member mounting groove 121 is communicated with the filter mounting groove, the fixed plate 131 is detachably connected or fixedly connected to a groove wall of the limiting member mounting groove 121, and can cover an outer notch of the limiting member mounting groove, the outer notch refers to a side notch departing from the filter mounting groove, the movable member 133 is movably connected to the fixed plate 131, and at least a part of the structure is located in the filter mounting groove, and the movable member 133 can partially penetrate through the fixed plate 131 and can move up and down relative to the.

The elastic element 132 is located between the movable element 133 and the fixing plate 131, so that the movable element 133 presses and fixes the fixed filter. The detachable connection mode is in threaded connection and buckling connection, and the fixed connection comprises welding.

Specifically, the through-going limiting member mounting groove 121 is formed in the side wall 12, and the elastic limiting member 13 can be directly assembled and fixed on the limiting member mounting groove 121, so that the assembly structure is simple, and the production efficiency is improved. Each part of the elastic limiting member 13 can be integrally assembled into an independent part and is quickly installed in the limiting member installation groove 121 through the fixing plate 131. In addition, an elastic element 132 is disposed between the bottom end of the movable element 133 and the fixing plate 131, and the elastic element 132 provides an acting force for the movable element 133 to move toward one side of the filter 3, so that the movable element 133 and the bottom of the sidewall 12 can stably clamp and fix the filter. Because the elastic element 132 is limited between the fixed plate 131 and the bottom end of the movable element 133, the movable element 133 is pulled upwards, that is, the movable element 133 is pulled towards the direction away from the side wall, so that the elastic element 132 is further compressed between the movable element 133 and the bottom of the side wall 12, the movable element 133 is away from the bottom of the side wall 12, at least one filter can be pushed into the filter mounting groove at this time, the movable element 133 is released, the elastic element 132 provides the acting force of the movable element 133 moving towards one side of the filter 3, so that the bottom end of the movable element 133 presses and holds the filter, and the filter 3 is stably mounted in the filter mounting.

The movable piece 133 can elastically move and can clamp and fix the filters 3 with different sizes, the filters 3 in the industry have various sizes, different heights and variable lengths, for example, common specifications include height ×, length 4' X4 ' CM, 4' X5.65 CM and the like, and the filter support 1 can clamp the filters 3 with different sizes.

Referring to fig. 5 or fig. 8, in a possible embodiment, the movable member 133 includes a first limiting block 1331, a second limiting block 1332 and at least one connecting rod 1333, the first limiting block 1331 is located at the bottom of the movable member 133, the first limiting block 1331 and the second limiting block 1332 are respectively connected to two ends of the connecting rod, the fixing plate 131 has a through hole, the connecting rod 1333 penetrates through the through hole, the at least one elastic member 132 is limited between the first limiting block 1331 and the fixing plate 131, and the first limiting block 1331 partially or completely extends into the filter mounting groove.

In this embodiment, in order to prevent the movable member 133 from being caught or smoother when being pulled up and down, the through hole of the fixed plate 131 is large enough, the connecting rod 1333 can slide up and down along the through hole, and the first stopper 1331 and the second stopper 1332 are stopped at both sides of the fixed plate 131. The elastic member 132 is disposed between the fixing plate 131 and the first limiting block 1331, and the elastic member 132 provides an acting force for pushing the first limiting block 1331 to move towards one side of the filter 3, so that the first limiting block 1331 can stably press and fix the filter 3.

In other embodiments, the fixing plate 131 may also be a bottom wall of the retaining member mounting groove 131, and is integrally formed with the side wall.

In one possible embodiment, the second stop block 1332 is connected to a handle portion 13321.

In the above-mentioned solution, the second stopper 1332 is provided outside the filter mounting groove, the second stopper 1332 is provided with the handle 13321, the user can lift the first stopper 1331 by the handle 13321 and insert the filter 3 into the filter mounting groove, and when the user releases the handle 13321, the first stopper 1331 is reset by the elastic member 132 to press and fix the filter 3.

In a possible embodiment, the movable element 133 includes two connecting rods 1333, the two connecting rods 1333 are disposed at intervals and connected to the first limiting block 1331, wherein the elastic element may include two springs, and the two springs are sleeved on the connecting rods 1333 respectively. The two ends of the spring respectively abut against the first stop block 1331 and the fixing plate 131.

In another possible embodiment, the first limiting block 1331 has an elastic member mounting portion located between the two connecting rods 1333, and one end of the elastic member 132 is mounted on the elastic member mounting portion and the other end abuts against the fixing plate 131.

In this embodiment, the two connecting rods 1333 are located at both sides of the first limiting block 1331, the elastic member 132 is located between the two connecting rods 1333, the elastic force applied to the first limiting block 1331 is located at the center line of the first limiting block 1331, and the first limiting block 1331 does not deflect obliquely, thereby ensuring that the filter holder 1 stably presses the filter 3.

Wherein, the elastic component mounting part can be a bulge, a groove or other structures, for example: the elastic member mounting portion is two grooves disposed on the first limiting block 1331, the elastic member 132 includes two springs, one end of each of the two springs is accommodated in one of the grooves, and the other end of each of the two springs abuts against the fixing plate 131. The arrangement of two springs has strengthened the elastic thrust to first stopper 1331, improves the extrusion force to filter 3, prevents that filter 3 from rocking the aversion, and the number of spring can be one certainly, also can be more than or equal to 3, does not restrict here.

In a possible embodiment, the elastic member mounting portion may be a protrusion or a groove, the protrusion or the groove has magnetism, and the elastic member 132 is made of a ferromagnetic material, so that when the elastic limiting member is assembled, the protrusion or the groove has an adsorption effect on the elastic member 132, thereby facilitating the assembly of the elastic member 132, improving the assembly efficiency, and having good stability of the assembly structure.

Referring to fig. 3 to 5, in a possible embodiment, the first limiting block 1331 includes a supporting surface and a protruding rib disposed on the supporting surface, the supporting surface can be supported on the peripheral end surface of the filter, and the protruding rib can be clamped on the edge of the mirror surface of the filter.

Specifically, the supporting surface interval of first stopper 1331 is provided with first protruding muscle 13311 and second protruding muscle 13312, forms first draw-in groove between first protruding muscle 13311 and the diapire 11, forms the second draw-in groove between first protruding muscle 13311 and the second protruding muscle 13312, and first draw-in groove and the fixed filter 3 of the equal joint of second draw-in groove.

Certainly, the first limiting block 1331 is not limited to being provided with only two ribs, and in other possible embodiments, three or more ribs may be provided on the first limiting block 1331, so that more filters can be clamped, and different requirements of users can be met.

Further, as shown in fig. 2, the wall surface of the side wall 12 opposite to the first limiting block 1331 is provided with a third rib 122 and a fourth rib 123 corresponding to the first rib 13311 and the second rib 13312, respectively.

Form the third draw-in groove that corresponds with first draw-in groove between third protruding muscle 122 and the diapire 11, formed the fourth draw-in groove that corresponds with the second draw-in groove between third protruding muscle 122 and the fourth protruding muscle 123, first draw-in groove and third draw-in groove can be the joint respectively in the both sides that the filter lens 3 is relative, second draw-in groove and fourth draw-in groove can improve the pressure respectively in the both sides that the filter lens 3 is relative and hold stability, filter lens installation direction can be followed to third protruding muscle 122 and fourth protruding muscle 123, the annular runs through four faces of lateral wall 12, also can occupy lateral wall 12 partly, do not specifically set up here.

Referring to fig. 3, in a possible embodiment, the bottom wall 11 is provided with a friction pad 14, the friction pad 14 is arranged to extend along the edge of the avoiding hole 111, and/or the side wall is provided with a friction pad.

Specifically, the bottom wall is provided with a plurality of friction pads 14, each friction pad 14 is disposed at intervals along the avoiding hole 111, and each friction pad 14 extends along the edge of the avoiding hole 111.

In this scheme, through setting up friction pad 14, when filter 3 installed in the filter mounting groove, filter 3 and friction pad 14 laminating, friction pad 14 compresses tightly and fixed filter 3.

Referring to fig. 6 to 8, in another possible embodiment, at least one boss 13313 is provided on the supporting surface, the bottom surface of the boss 13313 is used for pressing the peripheral end surface of the filter, a positioning groove is formed between adjacent bosses 13313 and is used for accommodating the rib 126 provided on the side wall, and the rib 126 of the side wall can be clamped on the edge of the filter 3.

In this embodiment, the side wall is provided with the protruding rib 126, the filter 3 can be positioned, a filter limiting groove is formed between two adjacent protruding ribs 126, the supporting surface is provided with two bosses 13313, and the two bosses 13313 are used for accommodating one protruding rib 126, so that after the moving member 133 is pulled, the filter 3 can be inserted into the corresponding filter limiting groove through the insertion groove 124, that is, the circumferential end surface of the filter 3 is accommodated in the filter limiting groove, the protruding rib 126 on the side wall is limited at the edge of the filter 3, when the moving member 133 is released, the boss 13313 can be accurately inserted into the filter installation groove, and the filter 3 is further clamped.

Referring to fig. 9 to 11, in one possible embodiment, a lens locking portion 15 is disposed on a side wall of the avoiding hole 111 facing away from the filter mounting groove, the lens locking portion 15 includes a snap ring 151 and a locking lever 152, the locking lever 152 has a limit protrusion, the snap ring 151 has a first connecting end 1511 and a second connecting end 1512, the first connecting end 1511 is provided with a threaded groove, the second connecting end 1512 is provided with a through hole, the snap ring 151 is disposed around the side wall of the avoiding hole 111, and one side of the snap ring 151 having the first connecting end 1511 or the second connecting end 1512 is connected to the side wall of the avoiding hole 111, and a gap is formed between the other side of the snap ring and the side wall of the avoiding hole 111. The locking rod 152 has a limit protrusion, the locking rod 152 can pass through the through hole and be connected to the threaded groove by threads, and the limit protrusion abuts against the second connecting end 1512.

In this embodiment, a gap is formed between the first connection end 1511 or the second connection end 1512 of the snap ring 151 and the sidewall of the avoiding hole 111, and the lens of the camera can be elastically mounted.

Referring to fig. 10 and 11, in a possible embodiment, the filter holder 1 includes a lens limiting member, the lens limiting member is in an annular structure and is installed in the avoiding hole 111, and at least one side of an inner ring of the lens limiting member is made of an elastic material. In this scheme, but the camera lens locating part elastic deformation to enlarge diameter size, do benefit to filter support 1 and different specifications, model, the camera lens end of size and stably connect, avoid changing the lens hood, also can prevent that filter support 1 from rocking.

Specifically, the lens position limiting element is embedded in the snap ring 151, the outer ring of the lens position limiting element contacts with the inner side surface of the snap ring 151, the lens position limiting element is provided with a split 161, and the split is used for expanding or reducing the inner diameter of the lens position limiting element, so that the lens position limiting element is favorably sleeved on the lens of the camera. When the lens position-limiting element is fitted to the lens of the camera, the outer ring of the elastic position-limiting element 4 is pressed by the lens locking portion 15, and one side of the inner ring is elastically deformed and pressed against the lens end of the camera, so that the gap of the split 161 is reduced, and the filter holder 1 is fastened and fixed to the lens end of the camera.

Referring to fig. 10 and 11, further, the snap ring 151 clamps the lens position limiting element in an area surrounded by the snap ring 151, the lens position limiting element includes at least one ring 16 and an inner ring (not shown in the figure) with different annular inner diameters, the large ring is sleeved with the small ring, the small ring is sleeved with the inner ring in the snap ring 151, the ring 16 is provided with a split 161, the split 161 is used for expanding or reducing the inner diameter of the ring 16, and the inner ring is used for being sleeved at a lens end of a camera.

In this embodiment, set up breach 161 at lantern ring 16, then increased the elastic deformation ability of lantern ring 16, convenient and inner circle cooperation butt, the realization is assembled at the camera lens end of different cameras, only need change different inner circles, the external diameter of inner circle can be unchangeable, the internal diameter of inner circle changes for the camera lens of different specifications size, reduce the die sinking, reduce cost, also can reduce the number of ring cover 16, ring cover 16 directly joint camera lens use, specific application method is according to camera lens specification size.

Referring to fig. 10 and 11, in one possible embodiment, the side wall 12 is provided with an insertion groove 124 communicating with the filter installation groove, the filter 3 is inserted into the filter installation groove through the insertion groove 124, and the filter holder includes a cover body 125, and the cover body 125 is detachably coupled to the side wall 12 and covers the insertion groove 124.

In this embodiment, the insertion groove 124 is formed on the side wall 12 to facilitate insertion and installation of the filter 3 into the filter installation groove. The filter 3 is prevented from being detached from the filter holder 1 from the filter mounting groove by covering the cover 125 on the insertion groove 124. The cover 125 may be an elastic body, and is elastically inserted into the insertion groove 124, so as to facilitate detachment and installation.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A filter support, comprising:

a bottom wall having an avoidance hole for avoiding light;

the side wall and the bottom wall form a filter mounting groove; and

2. The filter holder according to claim 1, wherein the elastic retainer comprises a fixed plate, at least one elastic member and a movable member, the fixed plate is disposed on a side of the sidewall facing away from the filter mounting groove, the bottom end of the movable member passes through the fixed plate and the sidewall to the filter mounting groove, the movable member is movably connected to the fixed plate, and the elastic member is pressed and retained between the bottom end of the movable member and the fixed plate;

3. The filter support according to claim 2, wherein the moving member comprises a first limiting block, a second limiting block and at least one connecting rod, the first limiting block is located at the bottom of the moving member, the first limiting block and the second limiting block are respectively connected to two ends of the connecting rod, the fixing plate is provided with a through hole, the connecting rod is movably accommodated in the through hole, the elastic member is limited between the first limiting block and the fixing plate, and the first limiting block partially or completely extends into the filter mounting groove.

4. The filter holder according to claim 3, wherein the first stopper comprises a support surface and at least one rib disposed on the support surface, the support surface can be supported on the peripheral end surface of the filter, and the rib can be engaged with the edge of the filter;

5. The filter holder according to claim 3 or 4, wherein the side wall has a retaining member mounting groove for mounting the elastic retaining member, the retaining member mounting groove is communicated with the filter mounting groove, the fixing plate is mounted on a groove wall of a side of the retaining member mounting groove facing away from the filter mounting groove, the connecting rod passes through the retaining member mounting groove, and the first retaining member can move up and down in the retaining member mounting groove.

6. The filter support according to any one of claims 1 to 4, wherein a side wall of the avoiding hole facing away from the filter mounting groove is provided with a lens locking portion, the lens locking portion comprises a snap ring and a locking rod, the snap ring is used for clamping the lens, the snap ring is provided with a first connecting end and a second connecting end, the first connecting end is provided with a threaded groove, the second connecting end is provided with a through hole, the snap ring is arranged around the side wall of the avoiding hole, one side of the snap ring provided with the first connecting end or the second connecting end is connected with the side wall of the avoiding hole, and a gap is formed between the other side of the snap ring and the side wall of the avoiding hole; and

7. The filter holder according to claim 6, further comprising a lens position-limiting element, wherein the lens position-limiting element comprises at least one annular collar and an inner ring, the large collar is sleeved with the small collar, the small collar is sleeved with the inner ring in the snap ring, the collar is provided with a split, the split is used for expanding or reducing the inner diameter of the collar, and the inner ring is used for being sleeved at the lens end of the camera;

8. The filter holder according to any one of claims 1 to 4, wherein the side wall is provided with an insertion groove communicating with the filter mounting groove, and the filter is inserted into the filter mounting groove from the insertion groove;

9. A filter holder according to claim 3, wherein the fixing plate is provided with at least one groove or protrusion corresponding to the first stopper, the groove is adapted to be received in one end of the elastic member, and the protrusion is adapted to be inserted into one end of the elastic member;

or the surface of the groove or the bulge has magnetism;

or the elastic piece is sleeved on the surface of the connecting rod;

and/or the side wall is provided with a friction pad;

10. A light shield comprising a housing and further comprising a filter support according to any one of claims 1 to 9, wherein the side walls of the filter support are removably or fixedly attached to the housing.