Optical accessory and lighting system

Abstract

The utility model provides an optical accessory and a lighting system, and relates to the technical field of photographic equipment. The optical accessory comprises a lens group and a barrel main body. The lens group comprises a first lens and a second lens. The barrel body is a flexible part, and the two ends of the barrel body are a light outlet end and a light inlet end used for being connected with a light source part respectively. The flashlight body comprises a folding assembly, and a second lens is installed on the folding assembly. Light emitted by the light source piece can enter the interior of the barrel body from the light inlet end, sequentially penetrates through the second lens and the first lens and then is emitted out from the light outlet end. And by folding or unfolding the folding assembly, the first lens can be relatively close to or far away from the second lens, so that the distance between the first lens and the second lens is adjustable, and zoom adjustment is realized. Through the structural arrangement of the optical accessory, the overall size of the optical accessory can be effectively reduced, so that the occupied storage space is reduced, and the optical accessory is convenient to carry by a user.

Description

TECHNICAL FIELD

[0001] The utility model relates to photographic equipment technical field, especially optical accessory and light system of a kind of. BACKGROUND

[0002] Photographic lamp as photography, video production and other fields important equipment, its focusing function is important to realize different light effects and shooting needs. In order to realize focusing effect, photographic lamp is usually equipped with optical lens accessory, such as Fresnel mirror, convex lens etc. These lenses change the focusing state of light by adjusting the distance between the photographic lamp and the lamp head, so as to meet different shooting needs.

[0003] At present, the commonly used optical lens accessory in photographic lamp is usually bulky and complex structure, not only increases the overall weight of the lamp, but also occupies larger storage space, is inconvenient for user to carry, can not meet some temporary or mobile occasions, reduces the user's use experience. UTILITY MODEL CONTENT

[0004] One purpose of the utility model is to provide a kind of optical accessory, which is light and easy to carry, and occupies less space.

[0005] Another purpose of the utility model is to provide a light system with the above optical accessory.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] An optical accessory, comprising:

[0008] A lens group, comprising a first lens and a second lens;

[0009] A barrel body, which is a flexible member, the two ends of the barrel body are light emitting end and light inlet end for connecting light source member respectively, the first lens is arranged at the light emitting end; a folding assembly is arranged between the light emitting end and the light inlet end of the barrel body, the second lens is mounted on the folding assembly, the light emitted by the light source member can enter the inside of the barrel body from the light inlet end, and then pass through the second lens and the first lens and be emitted from the light emitting end; and by folding or unfolding the folding assembly, the first lens can be relatively close to or away from the second lens, so that the distance between the first lens and the second lens is adjustable to realize zoom adjustment.

[0010] In one exemplary embodiment, the folding assembly comprises two or more folding structures, and all the folding structures are sequentially connected.

[0011] In one exemplary embodiment, each folding structure is internally provided with a second lens.

[0012] In one example embodiment, the second lens is arranged in any of the folding structures.

[0013] In one example embodiment, the folding structure comprises a body and folding lines arranged on the body; the folding lines are arranged in two and spaced along the extension direction of the body; the folding segments are formed between the adjacent folding lines on the body, and the folding segments can be unfolded or folded to realize the extension and contraction of the body.

[0014] In one example embodiment, the mounting position is arranged on one side of the folding line connected with the two folding segments in the folding structure, and the mounting position is located on the side of the folding line close to the light inlet end.

[0015] In one example embodiment, the diameter of the body gradually increases from the light inlet end to the light outlet end, so that the folding structure close to the light inlet end can be folded in the interior of the adjacent folding structure.

[0016] The body comprises a base for mounting the first lens, and the base is connected with one of the folding structures, and the folding structure connected with the base can be folded in the interior of the base.

[0017] In one example embodiment, the first lens is a convex lens or a Fresnel lens; and the second lens is a concave lens, a convex lens or a Fresnel lens.

[0018] In one example embodiment, the optical accessory comprises a connecting assembly, the connecting assembly is detachably connected with the body, and the optical accessory is detachably connected with the light source through the connecting assembly.

[0019] The optical accessory comprises a lens assembly, the lens assembly comprises a lens seat and at least one lens, and the lens is arranged in the interior of the connecting assembly through the lens seat, so that the light can enter the interior of the body through the lens.

[0020] A light system comprises a light source and an optical accessory as described above, the optical accessory is detachably arranged on the light source, the light source is used for emitting light, and the emitted light enters the interior of the body from the light inlet end of the optical accessory and is emitted to the outside of the body through the second lens and the first lens.

[0021] According to the above technical solution, the utility model has at least the following advantages and positive effects:

[0022] The optical accessory includes a lens group and a barrel body. The barrel body is provided with a first lens at the light exit end. A folding assembly is arranged between the light exit end and the light entrance end of the barrel body. A second lens is arranged on the folding assembly. Light can enter the barrel body from the light entrance end and pass through the second lens and the first lens in sequence and then exit from the light exit end. Further, by folding or unfolding the folding assembly, the first lens can be relatively close to or away from the second lens, so that the distance between the first lens and the second lens is adjustable to realize zoom adjustment. It can be understood that the optical accessory in the application can effectively reduce the overall volume of the barrel body due to the foldable barrel body, thereby reducing the occupation of the storage space and facilitating the user to carry. In combination with the fact that the barrel body is a flexible member, it can be known that the barrel body of the application is relatively light, so that the overall weight of the optical accessory is relatively light, which is more convenient for the user to carry and is conducive to improving the user experience.

[0023] In addition, the focusing mode of the application is simple, and only the folding or unfolding of the folding assembly in the barrel body is required to adjust the relative position between the first lens and the second lens, so as to adjust the focal length and change the focusing effect of light, meet the use requirements of the user in some temporary or mobile occasions, and effectively improve the user experience. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a perspective structural schematic view of a light system of an embodiment of the application.

[0025] Figure 2 is Figure 1 a perspective structural schematic view of the light system in which each folding combination in the optical accessory is in an unfolded state.

[0026] Figure 3 is Figure 2 a perspective structural schematic view of the optical accessory from another viewing angle.

[0027] Figure 4 is Figure 3 a sectional view of the optical accessory.

[0028] Figure 5 is Figure 4 a local enlarged view of A in FIG.

[0029] Figure 6 is Figure 4 a local enlarged view of B in FIG.

[0030] Figure 7 is Figure 4 a side view of FIG.

[0031] Figure 8 is Figure 1The first folding structure in the optical accessory in the light system is in an unfolded state, and the second folding structure is in a folded state.

[0032] Figure 9 is Figure 1 The folding structure in the optical accessory is in a folded state.

[0033] Figure 10 is Figure 9 The perspective view of the optical accessory from another angle.

[0034] Figure 11 is Figure 10 The cross-sectional view of the optical accessory.

[0035] Figure 12 is Figure 11 The side view.

[0036] Figure 13 is Figure 1 The exploded view of the optical accessory.

[0037] Figure 14 is Figure 13 The structure diagram of the lens assembly and the connecting assembly.

[0038] The reference signs are explained as follows:

[0039] 100, light system; 10, light source; 20, optical accessory; 21, barrel body; 211, light inlet end; 212, light outlet end; 213, base; 213a, base segment; 213b, extension segment; 213c, extension segment; 213d, fixing segment; 214, gasket; 214a, first gasket; 214b, second gasket; 215, folding assembly; 2151, body; 2152, mounting position; 2153, limiting ring; 2154, folding line; 2154a, first folding line; 2154b, second folding line; 2154c, third folding line; 2154d, fourth folding line; 2154e, fifth folding line; 2155, folding segment; 2155a, first folding segment; 2155b, second folding segment; 2155c, third folding segment; 2155d, body layer; 2155e, transition layer; 2156, first folding structure; 2157, second folding structure; 216, folding part; 217, connecting part; 217a, connecting segment; 217b, assembly plate; 217c, light inlet; 217c, assembly hole; 22, lens group; 221, first lens; 222, second lens; 23, connecting assembly; 231, connecting plate; 231a, opening; 231b, connecting hole; 232, pressing plate; 232a, via hole; 232b, limiting groove; 233, bayonet structure; 233a, fixing part; 233b, clamping block; 233c, accommodating cavity; 233d, first fixing ring; 233e, fixing plate; 233f, second fixing ring; 233j, spacing space; 24, lens assembly; 241, lens; 241a, first lens; 241b, second lens; 242, lens seat; 242a, seat body; 242b, step part; 242c, support plate; 243, lens pressing plate; 243a, mounting hole; 25, fastener; 26, fixing member. DETAILED DESCRIPTION

[0040] The typical embodiments embodying the features and advantages of the present application will be described in detail in the following description. It should be understood that the present application can be varied in a wide range of embodiments and that the scope of the present application is not limited to the embodiments described herein, and that the descriptions and drawings are to be regarded as illustrative in nature and not restrictive.

[0041] In the description of the present application, it should be understood that the indications of direction or position relationship (such as up, down, left, right, front and back, etc.) in the embodiments shown in the drawings are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the positions of these elements change, the indications of these directions also change accordingly.

[0042] In addition, the terms "first", "second", etc. are used only for descriptive purposes and should not be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined as "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.

[0043] Referring to Figure 1 The utility model provides a light system 100, including light source piece 10 and optical accessory 20. Among them, light source piece 10 is used to send light. Light source piece 10 can be photographic lamp, light supplement lamp etc. Optical accessory 20 is detachably installed on light source piece 10. The present application passes through the design to optical accessory 20, under satisfying the demand that optical accessory 20 can focus on light, still can greatly reduce the storage space that optical accessory 20 occupies, to facilitate user carrying, use, and the specific scheme is explained through the following embodiment.

[0044] Referring to Figures 2 to 4 Optical accessory 20 includes cylinder main part 21 and lens group 22. Lens group 22 is arranged inside cylinder main part 21. The both ends of cylinder main part 21 are light inlet end 211 and light outlet end 212 respectively, and light inlet end 211 is connected with light source piece 10, so that the light emitted by light source piece 10 can enter the inside of cylinder main part 21 from light inlet end 211, after passing through the lens group 22 in the inside of cylinder main part 21, then is emitted to the outside of optical accessory 20 from light outlet end 212.

[0045] Specifically, lens group 22 includes first lens 221, and first lens 221 is arranged at light outlet end 212. Cylinder main part 21 includes base 213 for mounting first lens 221.

[0046] Referring to Figure 5 In some embodiments, base 213 includes base segment 213a, connecting piece and extension segment 213b connected to base segment 213a. Extension segment 213b is arranged at an angle with base segment 213a, and extension segment 213b extends towards the direction of the outside of base 213. The edge of first lens 221 is connected with extension segment 213b through connecting piece. Exemplarily, a plurality of first connecting holes are arranged on first lens 221 at intervals, and second connecting holes are arranged on extension segment 213b. Connecting piece passes through corresponding first connecting hole and second connecting hole, so as to assemble first lens 221 on base 213. Connecting piece can be bolt, pin, etc.

[0047] Exemplarily, the base 213 further comprises an extension segment 213c and a fixing segment 213d. The extension segment 213c is connected to one end of the outer extension segment 213b away from the base segment 213a, and the extension segment 213c is arranged at an angle with the outer extension segment 213b. The extension direction of the extension segment 213c can be the same as the extension direction of the base segment 213a. The fixing segment 213d is arranged on the inner wall of the extension segment 213c, and the fixing segment 213d is arranged at intervals with the outer extension segment 213b, so that the outer extension segment 213b, the extension segment 213c and the outer extension segment 213b enclose a receiving position, and the edge of the first lens 221 is clamped in the receiving position. The extension segment 213c and the fixing segment 213d cooperate to further enhance the connection stability of the first lens 221 and the base 213.

[0048] Continuing to see Figure 5 In some embodiments, the barrel body 21 can further comprise a gasket 214, which can be provided with two, namely a first gasket 214a and a second gasket 214b. The first gasket 214a is arranged between the first lens 221 and the fixing segment 213d. The second gasket 214b is arranged on the side of the outer extension segment 213b away from the first lens 221. The connecting piece penetrates the first gasket 214a, the first lens 221, the outer extension segment 213b and the second gasket 214b, so as to mount the first gasket 214a and the second gasket 214 on the base 213. Among them, the arrangement of the first gasket 214a and the second gasket 214b can strongly support the outer extension segment 213b, prevent the outer extension segment 213b and the extension segment 213c from deforming, and be beneficial to protect the first lens 221.

[0049] Referring to Figure 4 The lens group 22 comprises a second lens 222. The second lens 222 is arranged between the light inlet end 211 and the light outlet end 212, so that the light entering the barrel body 21 is emitted to the outside of the barrel body 21 after penetrating the second lens 222 and the first lens 221 in turn. Among them, the second lens 222 cooperates with the first lens 221 to enable the light system 100 to better focus the light beam and help the light system 100 to emit uniform light.

[0050] Through the structural arrangement of the barrel body 21, the first lens 221 can be relatively close to or away from the second lens 222, so that the distance between the first lens 221 and the second lens 222 is adjustable to realize zoom adjustment, thus helping the user to adaptively adjust the relative position between the first lens 221 and the second lens 222 according to the actual needs to obtain the desired light effect.

[0051] Specifically, the barrel body 21 is flexible as a whole, so that the barrel body 21 can be switched between the folded state and the unfolded state, to realize the function of the optical accessory 20 having zooming, and also to realize the purpose of reducing the volume of the optical accessory 20. The barrel body 21 can be made of silica gel material, or can be made of rubber material, etc., which can be set according to actual needs, as long as the barrel body 21 can form a folded state and can restore to an unfolded state.

[0052] Please refer to Figure 3 The barrel body 21 comprises a folding assembly 215. The folding assembly 215 is arranged between the light inlet end 211 and the light outlet end 212. The second lens 222 is mounted on the folding assembly 215, and the folding assembly 215 can be folded or unfolded, so that the first lens 221 can be relatively close to or away from the second lens 222, so that the distance between the first lens 221 and the second lens 222 is adjustable to realize zoom adjustment.

[0053] Specifically, refer to Figure 4 The folding assembly 215 comprises at least one folding structure in the form of a ring. When there are multiple folding structures, all the folding structures are connected in sequence, and the folding structure close to the base 213 is connected with the base segment 213a in the base 213.

[0054] In addition, when there are multiple folding structures, multiple second lenses 222 can be correspondingly provided, so that each folding structure has a second lens 222 inside. Alternatively, one second lens 222 is provided, which can be arranged in any folding structure. The present embodiment takes the case of multiple folding structures and one second lens 222 in each folding structure as an example for description.

[0055] Specifically, see Figure 6 Each folding structure comprises a body 2151 and a mounting position 2152. The second lens 222 is arranged inside the body 2151 through the mounting position 2152. Exemplarily, the folding structure comprises two limiting rings 2153. Each limiting ring 2153 is protrudingly arranged on the inner side wall of the body 2151 and extends towards the axis direction of the barrel body 21. The two limiting rings 2153 are oppositely spaced, so that the two limiting rings 2153 and the body 2151 enclose the mounting position 2152, and the edge of the second lens 222 can be clamped in the mounting position 2152, thereby realizing the mounting of the second lens 222.

[0056] Any folding structure can be folded, so that the first lens 221 can be relatively close to the second lens 222, realizing the adjustable distance between the first lens 221 and the second lens 222 to realize zooming.

[0057] See Figure 7 and Figure 8, from the light-in end 211 to the light-out end 212, the diameter of the barrel body 21 gradually increases, so that the folding structure close to the light-in end 211 can be folded inside the other folding structure adjacent thereto. This arrangement can further reduce the volume of the optical accessory 20, thereby reducing the storage space occupied by the optical accessory 20 and facilitating user carrying. Further, the folding structure connected with the base 213 can be folded inside the base 213, which is conducive to further reducing the storage space occupied by the optical accessory 20.

[0058] In addition, the gradually increasing diameter of the barrel body 21 also facilitates the disassembly of the lens set 22. Specifically, the barrel body 21 has a structure similar to a circular truncated cone, and the user can install the second lens 222 in the folding structure by reaching into the inside of the barrel body 21 from the light-out end 212.

[0059] Please refer to Figure 6 and in combination with Figure 4 The folding structure includes folding lines 2154 arranged in a ring on the body 2151. The folding lines 2154 are arranged in parallel and at intervals along the extension direction of the body 2151. The folding segments 2155 are formed between adjacent folding lines 2154, and the folding or unfolding of the folding segments 2155 can achieve the extension and contraction of the barrel body 21, so that the first lens 221 on the light-out end 212 moves towards or away from the light-out end 212, changes the relative distance between the first lens 221 and the second lens 222, and thus achieves zoom adjustment.

[0060] It should be noted that the number of folding lines 2154 in each folding structure can be two, four, six, etc. When the number of folding lines 2154 is two, the folding structure has two states, namely a folded state and an unfolded state. When the number of folding lines 2154 is greater than or equal to four, the folding state of the folding structure has multiple, including a completely folded state and at least one incomplete folded state, wherein the completely folded state means that all the folding segments 2155 in the folding structure are bent, and the incomplete folded state means that only part of the folding segments 2155 in the folding structure are bent. The arrangement that the number of folding lines 2154 is greater than or equal to four enables a folding structure to have multiple adjustment gears, and the first lens 221 can be kept stable at multiple relative positions from the second lens 222, which is conducive to the light system 100 producing more diverse light effects.

[0061] It can be understood that the number of folding lines 2154 in the multiple folding structures can be set differently, for example, when the folding structures are two, two folding lines 2154 are arranged in the folding structure close to the light-in end 211, and four folding lines 2154 are arranged in the folding structure close to the light-out end 212. The specific arrangement can be set according to actual needs, which is not limited herein.

[0062] The embodiment takes the case that the barrel body 21 comprises two folding structures, and each folding structure is provided with two folding lines 2154 as an example for description. For the convenience of description, the two folding structures are defined as a first folding structure 2156 and a second folding structure 2157 respectively.

[0063] The two folding structures, and the provision of two folding lines 2154 in each folding structure, make the optical accessory 20 have four switchable morphologies. Specifically, the first morphology of the optical accessory 20: the first folding structure 2156 and the second folding structure 2157 are both in an unfolded state (see Figure 7 ) The second morphology of the optical accessory 20: the first folding structure 2156 is in an unfolded state, and the second folding structure 2157 is folded to form a folded state (see Figure 8 ) The third morphology of the optical accessory 20: the first folding structure 2156 and the second folding structure 2157 are both in a folded state (see Figure 9 and Figure 10 ) The fourth morphology of the optical accessory 20: the first folding structure 2156 is folded to be in a folded state, and the second folding structure 2157 is in an unfolded state.

[0064] Please refer to Figure 4 The provision of the two folding lines 2154 divides the folding structure into two folding segments 2155, so that in each folding structure, the folding segments 2155, the folding lines 2154, the folding segments 2155 and the folding lines 2154 are sequentially arranged from the light inlet end 211 to the light outlet end 212. The mounting position 2152 in each folding structure is arranged on one side of the folding line 2154 connected to the two folding segments 2155, and the mounting position 2152 is located on the side of the folding line 2154 close to the light inlet end 211. For the convenience of description, the folding line 2154 connected to the two folding segments 2155 is defined as the first folding line 2154a.

[0065] Please refer to Figure 7 For the convenience of description, the first folding line 2154a in the first folding structure 2156 is defined as the first folding line 2154b, the other folding line 2154 is defined as the second folding line 2154c, and the second lens 222 in the first folding structure 2156 is defined as the second lens 222a. The first folding line 2154a in the second folding structure 2157 is defined as the third folding line 2154d, the other folding line 2154 is defined as the fourth folding line 2154e, and the second lens 222 in the second folding structure 2157 is defined as the second lens 222b. Among them, the second folding line 2154c in the first folding structure 2156 is connected to the second folding structure 2157.

[0066] Please refer to Figure 11, the second lens 222b can be as close as possible to the first folding line 2154b or directly abut on the side wall corresponding to the first folding line 2154b when both the first folding structure 2156 and the second folding structure 2157 are in the folded state, which is beneficial for the light passing through the second lens 222a to directly shoot at the area corresponding to the second lens 222a on the second lens 222b, thereby reducing light loss. Similarly, the arrangement of the two folding lines 2154 enables the first lens 221 to be as close as possible to the fourth folding line 2154e or directly abut on the side wall corresponding to the fourth folding line 2154e, which is beneficial for the light passing through the second lens 222b to directly shoot at the area corresponding to the second lens 222a on the first lens 221, thereby achieving focusing of the light beam and adjustment of the spot size.

[0067] See Figure 12 For ease of description, the folding section 2155 formed between the first folding line 2154b and the second folding line 2154c is defined as the first folding section 2155a; the folding section 2155 formed between the second folding line 2154c and the third folding line 2154d is defined as the second folding section 2155b; and the folding section 2155 formed between the third folding line 2154d and the fourth folding line 2154e is defined as the third folding section 2155c. The third folding section 2155c is connected with the base section 213a in the base 213 and forms the folding line 2154e.

[0068] The distance between adjacent folding lines 2154 on the barrel body 21 gradually increases in the direction from the light inlet end 211 to the light outlet end 212, which effectively prevents the second lens 222a in the first folding structure 2156 from interfering with the second lens 222b in the second folding structure 2157, causing the second folding structure 2157 to fail to fold smoothly. Specifically, the length of the first folding section 2155a is less than the length of the second folding section 2155b, and the length of the second folding section 2155b is less than the length of the third folding section 2155c. In addition, the length of the base section 213 is greater than the length of the third folding section 2155c, so as to avoid interference between the second lens 222b and the first lens 221 after the second folding structure 2157 is folded.

[0069] Exemplarily, see Figure 7 and Figure 8Each folding section 2155 comprises a body layer 2155d and at least one transition layer 2155e. One end of the transition layer 2155e is connected with the end of the body layer 2155d, and the other end of the transition layer 2155e is the crease line. The wall thickness of the transition layer 2155e gradually decreases from the body layer 2155d to the folding line 2154. The transition layer 2155e facilitates the folding of the folding section 2155 along the folding line 2154. Similarly, the wall thickness of the end of the base section 213a connected with the second folding structure 2157 in the base 213 can also gradually decrease from the light-out end 212 to the light-in end 211.

[0070] It should be noted that the first lens 221 arranged in the inner part of the barrel body 21 can be a convex lens or a Fresnel lens, and the second lens 222 can be a concave lens, a convex lens or a Fresnel lens, etc. It can be understood that the lens group 22 can be arranged in various forms, for example, the first lens 221 is a Fresnel lens, and the second lens 222a and the second lens 222b are both concave lenses; or the first lens 221 is a Fresnel lens, and the second lens 222a and the second lens 222b are both convex lenses; or the first lens 221 and the second lens 222a are both Fresnel lenses, and the second lens 222b is a concave lens, etc. The specific arrangement can be set according to actual needs, which is not limited herein.

[0071] Please refer to Figure 12 and Figure 13 The body 2151 in the first folding structure 2156 close to the light source 10 in the barrel body 21 comprises a folding part 216 and a connecting part 217. The folding part 216 comprises the first folding section 2155a, the second folding section 2155b and the third folding section 2155c described above. The connecting part 217 comprises a connecting section 217a, one end of the connecting section 217a is connected with the first folding section 2155a, and the connecting part is the folding line 2154, so that the connecting section 217a is folded in the inner part of the first folding section 2155a along the folding line 2154. The connecting section 217a can be in a cylindrical structure or a circular truncated cone structure.

[0072] Please refer to Figures 12 to 14 The connecting part 217 further comprises an assembly plate 217b. The assembly plate 217b is in a ring structure, and the outer edge of the assembly plate 217b is connected with the inner wall of the end of the connecting section 217a away from the first folding section 2155a. The middle part of the assembly plate 217b is provided with a light-in port 217c, which is communicated with the inner part of the barrel body 21, so that light can enter the inner part of the barrel body 21 through the light-in port 217c.

[0073] The optical accessory 20 comprises a connecting assembly 23. The connecting assembly 23 is detachably connected with the barrel body 21.

[0074] Exemplarily, the connecting assembly 23 comprises a connecting plate 231 for connecting with the assembling plate 217b. The connecting plate 231 is provided with an opening 231a corresponding to the light inlet 217c, so that light can enter the interior of the barrel body 21 from the opening 231a and the light inlet 217c. The assembling plate 217b is provided with a plurality of assembling holes 217c at intervals along the circumference thereof. The connecting plate 231 is provided with a plurality of connecting holes 231b. The fasteners 25 are correspondingly arranged in the assembling holes 217c and the connecting holes 231b, so as to fasten and connect the assembling plate 217b and the connecting plate 231. The fasteners 25 can be screws, bolts or the like.

[0075] In some embodiments, the connecting assembly 23 comprises a pressing plate 232. The pressing plate 232 has a ring structure. The pressing plate 232 can be installed in the interior of the barrel body 21 through the light outlet end 212 of the barrel body 21. The pressing plate 232 is provided with a plurality of through holes 232a. The connecting plate 231 and the pressing plate 232 are respectively arranged on two sides of the assembling plate 217b. The fasteners 25 can be sequentially arranged in the through holes 232a of the pressing plate 232, the assembling holes 217c of the assembling plate 217b and the connecting holes 231b of the connecting plate 231. The through holes 232a of the pressing plate 232 can be counterbores, and the end portions of the fasteners 25 can be accommodated in the counterbores and kept horizontal with the surface of the pressing plate 232. The pressing plate 232 cooperates with the connecting plate 231, so as to effectively support the assembling plate 217b and effectively prevent the assembling plate 217b from being deformed and affecting the stability of the barrel body 21.

[0076] In some embodiments of the present application, the pressing plate 232 is further provided with a plurality of limiting grooves 232b at intervals along the circumference thereof. The extending direction of each limiting groove 232b can be consistent with the radial direction of the pressing plate 232. The inner wall of the connecting section 217a is provided with a plurality of limiting plates protruding therefrom. Each limiting plate can be correspondingly accommodated in a limiting groove 232b, so that the pressing plate 232 can be pre-assembled in the interior of the barrel body 21 through the limiting plates and the limiting grooves 232b, the pressing plate 232 is prevented from rotating, and the through holes 232a of the pressing plate 232 are ensured to correspond to the assembling holes 217c of the assembling plate 217b, thereby facilitating the subsequent assembly of the fasteners 25.

[0077] It should be noted that in other embodiments, the detachable connection manner of the connecting assembly 23 and the barrel body 21 can also be clamping, insertion or the like.

[0078] In some embodiments, referring to Figure 13 and Figure 14 , the connecting assembly 23 comprises a bayonet structure 233 protruding from the connecting plate 231. The optical accessory 20 is detachably connected with the light source 10 through the bayonet structure 233.

[0079] Specifically, the bayonet structure 233 includes a fixed portion 233a and a plurality of clamping blocks 233b protruding on the outer sidewall of the fixed portion 233a. The plurality of clamping blocks 233b are arranged at intervals along the circumference of the fixed portion 233a. Correspondingly, the light source member 10 is provided with a clamping groove structure matched with the bayonet structure 233, and the clamping blocks 233b in the bayonet structure 233 can be tightly accommodated in the clamping groove structure, thereby realizing the assembly between the optical accessory 20 and the light source member 10.

[0080] In some embodiments, the optical accessory 20 includes a lens assembly 2424 arranged inside the bayonet structure 233, and the lens assembly 2424 includes at least one lens 241 arranged corresponding to the light inlet 217c of the assembly plate 217 in the barrel body 21, so that the light enters the inside of the barrel body 21 through the lens 241. Among them, the lens 241 can be provided with multiple, and the present application takes two lenses 241 as an example for description, and the two lenses 241 are respectively a first lens 241a and a second lens 241b.

[0081] Further, the lens assembly 2424 includes a lens seat 242, and the first lens 241a and the second lens 241b are installed in the inside of the bayonet structure 233 through the lens seat 242. Exemplarily, the fixed portion 233a in the bayonet structure 233 is provided with an accommodation cavity 233c opposite to the opening 231a on the connecting plate 231. The lens seat 242 is installed inside the accommodation cavity 233c. The lens seat 242 includes a seat body 242a and a stepped portion 242b arranged at one end of the seat body 242a, and the periphery of the first lens 241a is installed on the stepped portion 242b.

[0082] Exemplarily, the fixed portion 233 includes a first fixed ring 233d. The inner wall of the first fixed ring 233d and the connecting plate 231 form the accommodation cavity 233c. The lens seat 242 is arranged in the accommodation cavity 233c. The lens seat 242 further includes support plates 242c arranged at intervals along the outer periphery of the lens seat 242, and the side of the support plates 242c away from the seat body 242a abuts against the inner wall of the first fixed ring 233d. The arrangement of the support plates 242c can effectively enhance the overall structural strength of the lens seat 242, and is conducive to enhancing the safety of the first lens 241a arranged on the lens seat 242.

[0083] In some embodiments, the second lens 241b is arranged between the lens seat 242 and the connecting plate 231. Specifically, the inner wall of the first fixing ring 233d is arranged in a spaced manner with the inner wall corresponding to the opening 231a of the connecting plate 231, so that the first fixing ring 233d and the connecting plate 231 form an assembly position, and the edge of the second lens 241b is mounted on the assembly position. The bottom end surface of the lens seat 242 abuts against the surface of the second lens 241b away from the connecting plate 231, that is, the lens seat 242 is pressed on the second lens 241b, so as to stably mount the second lens 241b in the accommodating cavity 233c of the fixing portion 233a.

[0084] In addition, the lens assembly 2424 further comprises a lens pressing plate 243, which is detachably mounted on the fixing portion 233a and can be pressed on the surface of the first lens 241a, so as to stably mount the lens seat 242, the first lens 241a and the second lens 241b in the accommodating cavity 233c.

[0085] For example, the fixing portion 233a comprises a plurality of fixing plates 233e and a second fixing ring 233f. The diameter of the first fixing ring 233d is smaller than that of the second fixing ring 233f, and the first fixing ring 233d is embedded in the interior of the second fixing ring 233f, so that an annular spacing space 233j is formed between the first fixing ring 233d and the second fixing ring 233f. The fixing plates 233e are arranged in the spacing space 233j, and the two sides of each fixing plate 233e are connected to the inner side wall of the first fixing ring 233e and the outer side wall of the second fixing ring 233f, respectively. The plurality of fixing plates 233e are arranged in a spaced manner along the circumference of the fixing ring. The fixing plate 233e is provided with a fixing hole, and the lens pressing plate 243 is provided with a mounting hole 243a. The fixing member 26 is arranged through the corresponding fixing hole and mounting hole 243a, so as to stably mount the lens pressing plate 243 on the fixing portion 233a. The fixing member 26 can be a screw, a stud or the like.

[0086] The mounting hole 243a on the lens pressing plate 243 can be a countersunk hole, so that the end of the fixing member 26 can be accommodated in the countersunk hole, and the surface of the fixing member 26 is not higher than the surface of the lens pressing plate 243, so as to avoid the fixing member 26 from protruding and damaging the light source member 10 when the optical accessory 20 is mounted on the light source member 10.

[0087] For example, the first lens 241a and the second lens 241b can both be convex lenses, which can effectively converge the light emitted by the light source member 10, so that more light enters the interior of the barrel body 21, and the utilization rate of light is effectively improved. In other embodiments, the first lens 241a can be a convex lens, and the second lens 241b can be a concave lens, and the like, which can be set according to actual needs.

[0088] For the optical accessory 20 of the present application, by setting the folding assembly 215, the barrel body 21 can be folded, so that the distance between the first lens 221 and the second lens 222 is adjustable to realize zoom adjustment. It can be understood that the optical accessory 20 in the present application can effectively reduce the overall volume of the barrel body 21 due to the foldable barrel body 21, thereby reducing the occupation of the storage space and facilitating the user to carry. In combination with the flexible barrel body 21, it can be known that the barrel body 21 of the present application is relatively light, so that the overall weight of the optical accessory 20 is relatively light, which is more convenient for the user to carry, and is conducive to improving the user's use experience. In addition, the optical accessory 20 of the present application has a simple focusing mode, and the user only needs to fold or unfold the folding assembly 215 in the barrel body 21 to adjust the relative position between the first lens 221 and the second lens 222, thereby adjusting the focal length to change the focusing effect of the light, meeting the user's use demand in some temporary or mobile occasions, and effectively improving the user's use experience.

[0089] The above embodiments are only exemplary structures, and the structures in each embodiment are not fixedly combined. In the absence of structural conflicts, the structures in multiple embodiments can be arbitrarily combined.

[0090] Although the present application has been described with reference to several exemplary embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the present application can be embodied in various forms without departing from the spirit or essential characteristics thereof, it should be understood that the above-described embodiments are not limited to any of the aforementioned details, but are to be interpreted broadly within the spirit and scope of the appended claims, and all changes and modifications that fall within the scope of the claims or their equivalents are intended to be embraced by the claims.

Claims

1. An optical accessory characterized in that, The optical accessory comprises: a lens set comprising a first lens and a second lens; a barrel body which is a flexible member, two ends of the barrel body being an outlight end and an inglight end for connecting a light source member respectively, the outlight end being provided with the first lens; a folding assembly is arranged between the outlight end and the inglight end of the barrel body, the second lens being mounted on the folding assembly, light emitted by the light source member being capable of entering the inside of the barrel body from the inglight end, and then passing through the second lens and the first lens to be emitted from the outlight end; and by folding or unfolding the folding assembly, the first lens can be relatively close to or away from the second lens, so that the distance between the first lens and the second lens is adjustable to realize zoom adjustment.

2. The optical accessory of claim 1, wherein, The folding assembly comprises two or more folding structures, and all the folding structures are sequentially connected.

3. The optical accessory of claim 2, wherein, The inside of each folding structure is provided with a second lens.

4. The optical accessory of claim 2, wherein, The second lens is arranged in any folding structure.

5. The optical accessory of claim 2, wherein, The folding structure comprises a body and a folding line arranged on the body, the folding line is provided with two, and is arranged in a spaced manner along the extension direction of the body; the folding segments are formed between the adjacent folding lines on the barrel body, and the barrel body can be stretched or contracted by unfolding or folding the folding segments.

6. The optical accessory of claim 5, wherein, Each folding structure is provided with a mounting position, the second lens is arranged in the inside of the body through the mounting position, the mounting position is arranged on one side edge of the folding line connected with the two folding segments in the folding structure, and is located on the side of the folding line close to the inglight end.

7. The optical accessory of claim 2, wherein, In the direction from the inglight end to the outlight end, the diameter of the barrel body gradually increases, so that the folding structure close to the inglight end can be folded in the inside of another folding structure adjacent thereto; The barrel body comprises a base for mounting the first lens, and the base is connected with a folding structure, and the folding structure connected with the base can be folded in the inside of the base.

8. The optical accessory of claim 1, wherein, The first lens is a convex lens or a Fresnel lens, and the second lens is a concave lens, a convex lens or a Fresnel lens.

9. The optical accessory of claim 1, wherein, The optical accessory comprises a connecting assembly, the connecting assembly is detachably connected with the barrel body, and the optical accessory is detachably connected with the light source member through the connecting assembly. The optical accessory comprises a lens assembly, the lens assembly comprises a lens seat and at least one lens, and the lens is arranged in the inside of the connecting assembly through the lens seat, so that light is emitted into the inside of the barrel body through the lens.

10. A light system, characterized in that The optical accessory comprises a lens set comprising a first lens and a second lens; a barrel body which is a flexible member, two ends of the barrel body being an outlight end and an inglight end for connecting a light source member respectively, the outlight end being provided with the first lens; a folding assembly is arranged between the outlight end and the inglight end of the barrel body, the second lens being mounted on the folding assembly, light emitted by the light source member being capable of entering the inside of the barrel body from the inglight end, and then passing through the second lens and the first lens to be emitted from the outlight end; and by folding or unfolding the folding assembly, the first lens can be relatively close to or away from the second lens, so that the distance between the first lens and the second lens is adjustable to realize zoom adjustment.

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