Optical lens and lighting device

Abstract

The present application is applicable to the technical field of lighting equipment, and provides an optical lens and a lighting device. The optical lens includes a mounting tube, an accessory assembly and a limiting assembly, wherein the mounting tube has a mounting end face and a mounting side face, and the accessory assembly includes a first optical accessory; the limiting assembly includes: a fixing member, which is mounted on the mounting end face, and the area between the fixing member and the mounting end face is used to form a limiting area, the first optical accessory is installed in the limiting area through the mounting opening, and is mounted on the mounting end face, and the fixing member is used to prevent the first optical accessory from leaving the limiting area along a first preset direction; a moving member, which is mounted on the fixing member and can adjust the width of the mounting opening, and is used to allow or prevent the first optical accessory from entering and exiting the limiting area through the mounting opening along a second preset direction. By adopting the limiting assembly in the present application, other optical accessories can be assembled to the mounting side position on the premise that the first optical accessory is assembled to the mounting end face position.

Description

Technical Field

[0001] The present application belongs to the technical field of lighting equipment, and more specifically, to an optical lens and a lighting device. Background Art

[0002] In order to meet the specific needs of lighting effects in different scenarios, lamps are usually equipped with necessary optical accessories when in use, such as sunshades, lenses, filters, gratings or diffusers.

[0003] In the related art, the optical accessory is usually assembled on the mounting tube by means of a clamping claw, and then the lamp is mounted on the mounting tube. However, the above-mentioned assembly method can only assemble one optical accessory on the mounting tube, and the assembly is limited. Summary of the invention

[0004] The purpose of the embodiments of the present application is to provide an optical lens and a lighting device, aiming to solve the technical problem in the related art that two or more optical accessories cannot be assembled on a mounting tube.

[0005] To achieve the above-mentioned purpose, according to one aspect of the present application, there is provided an optical lens for use in a lighting device, the optical lens comprising a mounting tube, an accessory assembly and a limiting assembly, wherein the mounting tube has a mounting end face and a mounting side face, the accessory assembly comprises a first optical accessory; the limiting assembly comprises: a fixing member mounted on the mounting end face, the area between the fixing member and the mounting end face is used to form a limiting area, the limiting area has a mounting opening, the first optical accessory is mounted in the limiting area through the mounting opening and is mounted on the mounting end face, the fixing member is used to prevent the first optical accessory from leaving the limiting area along a first preset direction; a moving member mounted on the fixing member and capable of adjusting the width of the mounting opening, for allowing or preventing the first optical accessory from entering and exiting the limiting area through the mounting opening along a second preset direction, the second preset direction being at an angle to the first preset direction.

[0006] Optionally, the fixing member includes a fixing body and a plurality of connecting columns, and the fixing body is mounted on the mounting end surface via the plurality of connecting columns; the surface of the fixing body close to the mounting end surface is used to form a blocking surface, and the blocking surface is used to block the first optical accessory from escaping from the limiting area along a first preset direction; the connecting columns are used to block the first optical accessory from escaping from the limiting area along a second preset direction.

[0007] Optionally, the moving part includes a moving body and a blocking body connected to each other, wherein the moving body is mounted on the fixed body and can slide on the fixed body, and the blocking body is mounted on the moving body and can slide on the mounting end surface; the moving part has an avoidance position and a blocking position, when the moving part is in the avoidance position, the moving part allows the first optical accessory to enter and exit the limiting area through the mounting opening; when the moving part is in the blocking position, the moving part blocks the first optical accessory from entering and exiting the limiting area through the mounting opening.

[0008] Optionally, the moving part further includes a limiting structure, which is connected to the moving body, and the limiting structure is used to abut and fix the moving body against the fixed body when the moving part is in the avoidance position and the blocking position.

[0009] Optionally, the limit structure includes a limit button, a limit shaft and a return spring, wherein the limit button abuts against the moving body, and a mounting step groove is provided on the limit button; the limit shaft passes through the mounting step groove and is connected to the moving body; the return spring is located in the mounting step groove, the limit shaft has a limit cap, the first end of the return spring contacts the limit cap, the second end of the return spring contacts the bottom of the mounting step groove, and the return spring is used to apply a pressing force set toward the moving body to the limit button; the fixed body is along a first preset direction A limiting groove and a sliding groove are provided, the sliding groove is connected with the limiting groove, and the moving body is slidably installed in the sliding groove; the limiting groove includes a first groove section, a connecting groove section and a second groove section which are connected in sequence, and the second groove section is located on the side of the first groove section away from the blocking body; when the moving part is in the avoidance position, the limiting button is located in the second groove section, and the groove wall of the connecting groove section blocks the limiting button from entering the connecting groove section; when the moving part is in the blocking position, the limiting button is located in the first groove section, and the groove wall of the connecting groove section blocks the limiting button from entering the connecting groove section.

[0010] Optionally, the first preset direction is parallel to the axial direction of the mounting tube, and the second preset direction is parallel to the radial direction of the mounting tube; the fixed body is a semicircular arc bar, the number of moving parts is two, one of the two moving parts is arranged corresponding to the first end of the fixed body, and the other moving part is arranged corresponding to the second end of the fixed body; the moving body is arranged along the circumference of the fixed body, and the central angle of the moving body is less than or equal to 90°.

[0011] Optionally, the accessory assembly further includes a second optical accessory mounted on the mounting side.

[0012] Optionally, the mounting tube has a mounting cover, and the mounting end face and the mounting side face are both arranged on the mounting cover, and the mounting end face is arranged adjacent to the mounting side face; the mounting cover also has a blocking face, which is arranged opposite to the mounting end face and adjacent to the mounting side face; the second optical accessory is arranged around the outer periphery of the first optical accessory, and part of the structure of the second optical accessory is erected on the mounting end face; the optical lens also includes a clamping portion, the clamping portion includes a movable claw, the movable claw is rotatably mounted on the second optical accessory, and the movable claw has a clamping position and an avoidance position; when the movable claw is in the clamping position, the movable claw is blocked by the mounting end face and the blocking face from moving along the first preset direction, and is blocked by the mounting side face from moving along the second preset direction; when the movable claw is in the avoidance position, the movable claw can move along the first preset direction and the second preset direction.

[0013] Optionally, the optical lens further includes a Fresnel lens, and the Fresnel lens is installed inside the mounting tube.

[0014] According to another aspect of the present application, a lighting device is provided. The lighting device includes a lamp and the above-mentioned optical lens. The mounting tube is mounted on the lamp, and the lamp is used to emit light toward the mounting end surface.

[0015] The beneficial effect of the optical lens provided by the present application is that when the optical lens of the present application is assembled, the first optical accessory is first installed in the limiting area through the installation opening. At this time, the fixing part will prevent the first optical accessory located in the limiting area from leaving the limiting area along the first preset direction. Then, the width of the installation opening is adjusted by the moving part so that the moving part can prevent the first optical accessory located in the limiting area from leaving the limiting area along the second preset direction. At this time, the first optical accessory is assembled at the installation end face position; then other optical accessories can be installed on the installation side using snaps or other installation structures, so that the first optical accessory and other optical accessories can be assembled on the installation tube at the same time without interfering with each other; by adopting the limiting assembly in the present application, other optical accessories can be assembled to the installation side position under the premise that the first optical accessory is assembled to the installation end face position, and the first optical accessory and other optical accessories do not interfere with each other, thereby avoiding assembly restrictions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 A schematic diagram of the structure of the optical lens provided in an embodiment of the present application at a first viewing angle;

[0018] Figure 2 A schematic diagram of the structure of the optical lens provided in an embodiment of the present application after hiding the second optical attachment;

[0019] Figure 3 for Figure 2 The enlarged schematic diagram of point A in the middle;

[0020] Figure 4 A schematic diagram of the structure of the optical lens provided in an embodiment of the present application after hiding a second optical accessory and a limiting structure;

[0021] Figure 5 for Figure 4 The enlarged schematic diagram of point B in the middle;

[0022] Figure 6 for Figure 4 The enlarged schematic diagram of the center C;

[0023] Figure 7 A cross-sectional schematic diagram of the optical lens provided in an embodiment of the present application after the second optical attachment is hidden;

[0024] Figure 8 for Figure 7 The enlarged schematic diagram of point D in the middle;

[0025] Fig. 9 A schematic diagram of the structure of the optical lens provided in an embodiment of the present application at a second viewing angle;

[0026] Fig.10 for Figure 7 The enlarged schematic diagram of point E in the middle;

[0027] Fig.11 for Fig. 9 The enlarged schematic diagram of F in the middle;

[0028] Fig.12 for Fig. 9 The enlarged schematic diagram of G in the middle;

[0029] The reference numerals in the above drawings are as follows:

[0030] 100, installation cylinder; 110, installation cover; 111, installation end surface; 1111, guide groove; 112, blocking surface; 113, installation side surface; 120, cylinder body;

[0031] 200, accessory assembly; 210, first optical accessory; 220, second optical accessory; 221, connecting ring plate; 222, shading body;

[0032] 300, limit assembly;

[0033] 310, fixing member; 311, fixing body; 3111, first fixing bar; 3112, second fixing bar; 3113, slide groove; 3114, limiting groove; 31141, first groove section; 31142, connecting groove section; 31143, second groove section; 312, connecting column;

[0034] 320, moving part; 321, blocking body; 322, moving body; 323, limiting structure; 3231, limiting button; 32311, mounting step groove; 3232, limiting shaft; 32321, limiting cap; 3233, return spring; 324, limiting head;

[0035] 410, movable claw; 420, fixed claw;

[0036] 500. Fresnel lens. DETAILED DESCRIPTION

[0037] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0038] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or indirectly connected to the other element. In the absence of conflict, the embodiments in this application and the features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0039] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0041] As described in the background art, currently, in order to meet the specific needs of lighting effects in different scenes, lamps are usually equipped with required optical accessories when in use, such as sunshades, lenses, filters, gratings or diffusers, etc. In the related art, the optical accessories are usually assembled on the mounting tube using claws, and then the lamp is mounted on the mounting tube, but the above assembly method can only assemble one optical accessory on the mounting tube, which limits the assembly.

[0042] Reference Figures 1 to 4 , Figure 7 as well as Figures 10 to 12In order to solve the above problems, according to one aspect of the present application, an embodiment of the present application provides an optical lens for a lighting device, wherein the optical lens comprises a mounting tube 100, an accessory assembly 200 and a stop assembly 300, wherein the mounting tube 100 has a mounting end surface 111 and a mounting side surface 113, the accessory assembly 200 comprises a first optical accessory 210; the stop assembly 300 comprises a fixing member 310 and a moving member 320, wherein the fixing member 310 is mounted on the mounting end surface 111, and the fixing member 310 and the mounting end surface 111 are connected to each other. The area between the two ends of the movable member 320 and the movable member 320 is used to form a limiting area, the limiting area has an installation opening, the first optical accessory 210 is installed in the limiting area through the installation opening, and is mounted on the installation end surface 111, the fixing member 310 is used to prevent the first optical accessory 210 from leaving the limiting area along a first preset direction; the moving member 320 is installed on the fixing member 310, and can adjust the width of the installation opening, and is used to allow or prevent the first optical accessory 210 from entering and exiting the limiting area through the installation opening along a second preset direction, and the second preset direction and the first preset direction form an angle with each other.

[0043] In the embodiment of the present application, the mounting tube 100 is a conventional cylindrical structure. The lighting device generally includes a lamp. The mounting tube 100 is generally installed on the lamp. The lamp is used to emit light toward the mounting end surface 111. The mounting tube 100 is provided to carry the light. The first optical accessory 210 is generally one or more of a dimming yarn, an optical lens or a diffuser. The provided mounting end surface 111 serves to block the first optical accessory 210 from moving along the first preset direction. The mounting side surface 113 is provided adjacent to the mounting end surface 111 so as to facilitate installation of other optical components on the mounting side surface 113. The optical accessories are used to increase the number of optical accessories on the mounting tube 100; the fixing member 310 is generally detachably mounted on the mounting tube 100 to facilitate the installation and replacement of the fixing member 310. In other embodiments, the fixing member 310 can also be fixedly mounted on the mounting tube 100 by a welding process or a bonding process; the moving member 320 is generally able to slide on the fixing member 310 to adjust the width of the mounting opening, and the width of the mounting opening refers to the lateral dimension of the mounting opening. In other embodiments, the moving member 320 can also slide on the mounting tube 100 to adjust the width of the mounting opening.

[0044] When assembling the optical lens of the present application, the first optical accessory 210 is first installed in the limiting area through the installation opening. At this time, the fixing member 310 will prevent the first optical accessory 210 located in the limiting area from leaving the limiting area along the first preset direction. Then, the width of the installation opening is adjusted by the moving member 320, so that the moving member 320 can prevent the first optical accessory 210 located in the limiting area from leaving the limiting area along the second preset direction. At this time, the first optical accessory 210 is assembled at the installation end surface 111; then other optical accessories can be installed on the installation side 113 using snaps or other installation structures, so that the first optical accessory 210 and other optical accessories can be assembled on the installation tube 100 at the same time without interfering with each other; by adopting the limiting assembly 300 in the present application, other optical accessories can be assembled to the installation side 113 on the premise that the first optical accessory 210 is assembled to the installation end surface 111, and the first optical accessory 210 and other optical accessories do not interfere with each other, thereby avoiding assembly restrictions.

[0045] Reference Figures 2 to 5 In one embodiment, the fixing member 310 includes a fixing body 311 and a plurality of connecting posts 312, and the fixing body 311 is installed on the mounting end surface 111 through the plurality of connecting posts 312; the surface of the fixing body 311 close to the mounting end surface 111 is used to form a blocking surface, and the blocking surface is used to block the first optical accessory 210 from leaving the limiting area along the first preset direction; the connecting posts 312 are used to block the first optical accessory 210 from leaving the limiting area along the second preset direction.

[0046] In this embodiment, the fixed body 311 is a fixed bar or a fixed plate. When the first optical accessory 210 is located in the limiting area, the positive projection of the blocking surface is located on the first optical accessory 210 to prevent the first optical accessory 210 from leaving the limiting area along the first preset direction; the fixed body 311 is generally detachably connected to the connecting column 312 by fasteners such as connecting screws to facilitate the assembly of the fixed body 311 and the connecting column 312.

[0047] The connecting column 312 is generally detachably mounted on the mounting tube 100 by means of fasteners such as connecting screws or connecting bolts, so as to facilitate the assembly of the connecting column 312 and the mounting tube 100; a plurality of connecting columns 312 are arranged at intervals along the length direction of the fixed body 311, and the plurality of connecting columns 312 are arranged to reduce the cost and weight of the optical lens of the present application while ensuring that the first optical accessory 210 located in the limiting area can be prevented from leaving the limiting area along the second preset direction and ensuring the connection strength between the fixed body 311 and the mounting tube 100. In addition, in order to ensure the strength of the fixed body 311 and the connecting column 312, the fixed body 311 and the connecting column 312 are both made of aluminum alloy.

[0048] Reference Figures 2 to 5 In one embodiment, the moving part 320 includes a moving body 322 and a blocking body 321 connected to each other, wherein the moving body 322 is installed on the fixed body 311 and can slide on the fixed body 311, and the blocking body 321 is installed on the moving body 322 and can slide on the mounting end surface 111; the moving part 320 has an avoidance position and a blocking position, when the moving part 320 is in the avoidance position, the moving part 320 allows the first optical accessory 210 to enter and exit the limiting area through the mounting opening; when the moving part 320 is in the blocking position, the moving part 320 blocks the first optical accessory 210 from entering and exiting the limiting area through the mounting opening.

[0049] In this embodiment, the moving body 322 is a moving bar or a moving rod, and the moving body 322 is generally detachably connected to the blocking body 321 through fasteners such as connecting screws or connecting bolts, so as to facilitate the assembly of the moving body 322 and the blocking body 321. When the first optical accessory 210 needs to be installed in the limit area, the moving part 320 is first placed in the avoidance position, and then the first optical accessory 210 is installed in the limit area through the installation opening, and then the moving part 320 is driven to switch from the avoidance position to the blocking position. At this time, the first optical accessory 210 will stay stably in the limit area under the dual limit of the fixing part 310 and the moving part 320.

[0050] In addition, in order to enhance the blocking effect of the moving part 320, the surface of the moving body 322 close to the mounting end face 111 is used to form a stop surface, and the orthographic projection of the stop surface is located on the first optical accessory 210 in the limiting area to prevent the first optical accessory 210 from leaving the limiting area along the first preset direction; in order to ensure the self-strength of the moving body 322 and the blocking body 321, the moving body 322 and the blocking body 321 are both made of aluminum alloy.

[0051] Reference Figure 2 , Figure 3 as well as Figure 5 In one embodiment, the moving part 320 further includes a limiting structure 323, which is connected to the moving body 322. The limiting structure 323 is used to fix the moving body 322 against the fixed body 311 when the moving part 320 is in the avoidance position and the blocking position.

[0052] In this embodiment, the limiting structure 323 can be a limiting screw; when the moving part 320 is in the avoidance position and the blocking position, the screw of the limiting screw is screwed into the moving body 322 and the fixed body 311 in turn to connect the moving body 322 and the fixed body 311, and at the same time, the screw head of the limiting screw abuts against the surface of the moving body 322 away from the fixed body 311 to fix the moving body 322 on the fixed body 311.

[0053] Reference Figure 2 , Figure 3 , Figure 5 as well as Figure 8 In one embodiment, the limiting structure 323 includes a limiting button 3231, a limiting shaft 3232 and a return spring 3233, wherein the limiting button 3231 abuts against the moving body 322, and a mounting step groove 32311 is provided on the limiting button 3231; the limiting shaft 3232 passes through the mounting step groove 32311 and is connected to the moving body 322; the return spring 3233 is located in the mounting step groove 32311, the limiting shaft 3232 has a limiting cap 32321, a first end of the return spring 3233 contacts the limiting cap 32321, a second end of the return spring 3233 contacts the bottom of the mounting step groove 32311, and the return spring 3233 is used to apply a pressing force set toward the moving body 322 to the limiting button 3231;

[0054] The fixed body 311 is provided with a limit groove 3114 and a slide groove 3113 along the first preset direction. The slide groove 3113 is connected to the limit groove 3114, and the movable body 322 is slidably installed in the slide groove 3113; the limit groove 3114 includes a first groove section 31141, a connecting groove section 31142 and a second groove section 31143 which are connected in sequence. The second groove section 31143 is located at the first groove section 31141 away from the blocking body 321. side; when the moving part 320 is in the avoidance position, the limit button 3231 is located in the second slot section 31143, and the slot wall of the connecting slot section 31142 blocks the limit button 3231 from entering the connecting slot section 31142; when the moving part 320 is in the blocking position, the limit button 3231 is located in the first slot section 31141, and the slot wall of the connecting slot section 31142 blocks the limit button 3231 from entering the connecting slot section 31142.

[0055] In this embodiment, the fixed body 311 includes a first fixing bar 3111 and a second fixing bar 3112 arranged along a first preset direction, the first fixing bar 3111 is located on a side of the second fixing bar 3112 away from the mounting end surface 111, a groove is provided on the surface of the first fixing bar 3111 close to the second fixing bar 3112, and a groove is provided on the surface of the second fixing bar 3112 close to the first fixing bar 3111, and the two grooves are connected and form a slide groove 3113; the slide groove 3113 has a sliding opening, and the movable body 322 is slidably installed in the slide groove 3113 through the sliding opening; to facilitate the assembly of the first fixing bar 3111 and the second fixing bar 3112, the first fixing bar 3111 and the second fixing bar 3112 are connected by fasteners such as connecting screws or connecting bolts. At the same time, to ensure that the movable body 322 can slide smoothly in the slide groove 3113, grease is applied on the surface of the movable body 322.

[0056] The limiting groove 3114 is provided on the surface of the first fixing strip 3111 away from the second fixing strip 3112, and the limiting shaft 3232 can slide in the limiting groove 3114; when the limiting button 3231 is located in the first groove section 31141, the outer diameter of the part of the limiting button 3231 located in the first groove section 31141 is slightly smaller than the groove diameter of the first groove section 31141 and larger than the groove width of the connecting groove section 31142, so that the connecting groove section 311 42 blocks the limit button 3231 from entering the connecting slot section 31142; when the limit button 3231 is located in the second slot section 31143, the outer diameter of the portion of the limit button 3231 located in the second slot section 31143 is slightly smaller than the slot diameter of the second slot section 31143, and larger than the slot width of the connecting slot section 31142, so that the slot wall of the connecting slot section 31142 blocks the limit button 3231 from entering the connecting slot section 31142.

[0057] The mounting step groove 32311 is a through groove, and the mounting step groove 32311 includes a mounting groove section and a transition groove section, wherein the transition groove section is arranged on the groove bottom of the mounting groove section and is connected to the slide groove 3113, and at the same time, the groove diameter of the mounting groove section is larger than the groove diameter of the transition groove section; the limiting shaft 3232 is connected to the moving body 322 by threaded matching, and the shaft diameter of the limiting shaft 3232 is smaller than the groove width of the limiting groove 3114, so that the limiting shaft 3232 can slide in the limiting groove 3114; the limiting cap 32321 is arranged at the end of the limiting shaft 3232 away from the slide groove 3113; the first end of the reset spring 3233 contacts the surface of the limiting cap 32321 close to the slide groove 3113, and the second end of the reset spring 3233 contacts the groove bottom of the mounting groove section; in addition, the reset spring 3233 is always in a compressed state to ensure that a pressing force set toward the moving body 322 is always applied to the limiting button 3231.

[0058] When the moving part 320 needs to switch between the avoidance position and the blocking position, it only needs to drive the limit button 3231 to move in the direction away from the moving body 322, so that the limit button 3231 can be pulled out from the first slot section 31141 or the second slot section 31143, and then the limit button 3231 can be driven to move in the direction of the second slot section 31143 or the first slot section 31141. In this process, since the limit shaft 3232 is connected to the moving body 322, and the return spring 3233 applies a pressing force set toward the moving part 320 to the limit button 3231, the limit button 3231 can not only drive the moving body 322 to slide along the extension direction of the sliding groove 3113 through the limit shaft 3232 The limit button 3231 can slide in the groove 3113, and at the same time, it can also move outside the groove 3113 along the extension direction of the groove 3113; after the limit button 3231 reaches the second groove section 31143 or the first groove section 31141, release the limit button 3231, and the limit button 3231 will move toward the second groove section 31143 or the first groove section 31141 under the action of the pressing force applied by the return spring 3233, and will stably stay in the second groove section 31143 or the first groove section 31141; the use of the limit structure 323 in the present application is not only conducive to driving the moving part 320 to switch between the avoidance position and the blocking position, but also conducive to making the moving body 322 stably stay in the avoidance position and the blocking position.

[0059] Reference Figure 6 In one embodiment, the blocking body 321 is mounted on the moving body 322 by fasteners. In this embodiment, the blocking body 321 is generally mounted on the moving body 322 by connecting screws or connecting studs, and such a design facilitates the assembly of the blocking body 321 and the moving body 322.

[0060] Reference Figure 6 In one embodiment, a limit head 324 is detachably installed at one end of the blocking body 321 away from the moving body 322, and a guide groove 1111 is provided on the mounting end surface 111. The extension direction of the guide groove 1111 is parallel to the extension direction of the slide groove 3113. The limit head 324 is slidably installed in the guide groove 1111. The groove wall of the guide groove 1111 is used to prevent the limit head 324 from moving in a direction close to the moving body 322, and to prevent the blocking body 321 from moving in a direction close to the guide groove 1111.

[0061] In this embodiment, the limit head 324 can generally be detachably installed on the blocking body 321 by means of threaded fitting, so as to facilitate the assembly of the limit head 324 and the blocking body 321; the provided guide groove 1111 not only plays a guiding role, so that the moving body 322 can slide more smoothly in the slide groove 3113, but also plays a blocking role, ensuring that the blocking body 321 can stably slide on the installation end surface 111.

[0062] Reference Figure 2 , Figure 4 as well as Figure 7 In one embodiment, the first preset direction is parallel to the axial direction of the mounting tube 100, and the second preset direction is parallel to the radial direction of the mounting tube 100; the above design is not only conducive to the limiting component 300 to limit the first optical accessory 210, so that the first optical accessory 210 can stay stably in the limiting area, but also facilitates the assembly of the optical lens.

[0063] Reference Figures 2 to 6 In one embodiment, the fixed body 311 is a semicircular arc bar, and the number of the moving parts 320 is two. One of the two moving parts 320 is arranged corresponding to the first end of the fixed body 311, and the other moving part 320 is arranged corresponding to the second end of the fixed body 311; the moving body 322 is arranged along the circumference of the fixed body 311, and the central angle of the moving body 322 is less than or equal to 90°.

[0064] In this embodiment, the mounting end surface 111 is coaxially arranged with the mounting barrel 100, the first optical accessory 210 is coaxially arranged with the mounting end surface 111, the fixed body 311 is arranged along the circumference of the mounting end surface 111, and the fixed body 311 is coaxially arranged with the mounting barrel 100; the fixed body 311 and the moving body 322 designed in this way reduce the manufacturing cost under the premise of ensuring that the first optical accessory 210 can be stably restricted in the limiting area; the two moving parts 320 are arranged to strengthen the limiting effect on the first optical accessory 210 in the limiting area. In addition, in order to enable the moving body 322 to slide smoothly in the slide groove 3113, the slide groove 3113 is generally arranged along the circumference of the fixed body 311.

[0065] Reference Figure 1 as well as Figures 9 to 12 In one embodiment, the accessory assembly 200 further includes a second optical accessory 220 , which is mounted on the mounting side 113 .

[0066] In this embodiment, the second optical accessory 220 is generally a sunshade or a sunshade tube. The second optical accessory 220 can generally be installed on the mounting side 113 by snapping or plugging, so that the first optical accessory 210 and the second optical accessory 220 can be assembled on the mounting tube 100 at the same time without interfering with each other.

[0067] Reference Figures 1 to 4 , Figure 7 , Fig.10 as well as Fig.11In one embodiment, the mounting tube 100 has a mounting cover 110, a mounting end surface 111 and a mounting side surface 113 are both arranged on the mounting cover 110, and the mounting end surface 111 is arranged adjacent to the mounting side surface 113; the mounting cover 110 also has a blocking surface 112, which is arranged opposite to the mounting end surface 111 and adjacent to the mounting side surface 113; the second optical accessory 220 is arranged around the outer periphery of the first optical accessory 210, and a part of the structure of the second optical accessory 220 is erected on the mounting end surface 111; the optical lens It also includes a clamping portion, which includes a movable claw 410, which is rotatably mounted on the second optical accessory 220, and the movable claw 410 has a clamping position and an avoidance position; when the movable claw 410 is in the clamping position, the movable claw 410 is blocked by the mounting end surface 111 and the blocking surface 112 from moving along the first preset direction, and is blocked by the mounting side surface 113 from moving along the second preset direction; when the movable claw 410 is in the avoidance position, the movable claw 410 can move along the first preset direction and the second preset direction.

[0068] In this embodiment, the second optical accessory 220 includes a connecting ring plate 221 and a plurality of shading bodies 222 arranged at intervals in the circumferential direction of the mounting tube 100, wherein the connecting ring plate 221 is mounted on the mounting end surface 111, and the plurality of shading bodies 222 are pivotally connected to the connecting ring plate 221 through hinges. The second optical accessory 220 can not only shield the light beam emitted by the first optical accessory 210, but also protect the first optical accessory 210.

[0069] The movable claw 410 is in the shape of ┻. The movable claw 410 is generally detachably mounted on the connecting ring plate 221 using fasteners such as connecting screws or connecting studs; when the movable claw 410 is in the clamping position, based on the obstruction of the mounting end face 111, the blocking face 112 and the mounting side face 113, the second optical accessory 220 will stably stay on the mounting side face 113; when the movable claw 410 is in the avoidance position, since the movable claw 410 can move both in the first preset direction and in the second preset direction, the movable claw 410 can drive the second optical accessory 220 to separate from the mounting tube 100; the use of the movable claw 410 in the present application can not only make the second optical accessory 220 stay stably on the mounting side face 113, but also make the second optical accessory 220 separate from the mounting tube 100.

[0070] In addition, in order to enable the movable claw 410 to stably stay in the clamping position and the evasive position, the movable claw 410 is rotated by a torsion spring, and a groove for installing a torsion arm of the torsion spring is provided on the movable claw 410, and a torsion arm in the torsion spring is always in the groove on the movable claw 410. The installation cylinder 100 also includes a cylinder body 120, and the installation cover 110 is fixedly installed on the cylinder body 120 and is coaxial with the cylinder body 120. In order to facilitate the processing and manufacturing of the installation cylinder 100, the installation cover 110 and the cylinder body 120 are integrally formed.

[0071] Reference Fig.12 In one embodiment, the clamping portion further includes a fixed claw 420, which is mounted on the second optical accessory 220. The fixed claw 420 is blocked by the blocking surface 112 from moving along the first preset direction, and is blocked by the mounting side surface 113 from moving along the second preset direction. There are multiple fixed claws 420, and the multiple fixed claws 420 are arranged at intervals in the circumferential direction of the blocking surface 112, and the movable claw 410 is located between two adjacent fixed claws 420.

[0072] In this embodiment, the fixing claw 420 is generally installed on the connecting ring plate 221 by connecting screws or connecting studs; in order to enable the fixing claw 420 to be blocked by the blocking surface 112 to move along the first preset direction, and to be blocked by the mounting side surface 113 to move along the second preset direction, the fixing claw 420 is in the shape of ┛; the multiple fixing claws 420 all play a blocking role, further enhancing the stability of the second optical accessory 220 on the mounting side surface 113. In addition, in a specific embodiment, the number of the fixing claws 420 is three, and the three fixing claws 420 are evenly distributed along the circumference of the mounting cover 110.

[0073] Reference Figure 7 In one implementation, the optical lens further includes a Fresnel lens 500 , and the Fresnel lens 500 is installed inside the mounting tube 100 .

[0074] In this embodiment, the Fresnel lens 500 is located between the lamp and the mounting end surface 111 and is coaxially arranged with the mounting end surface 111. The specific structure of the Fresnel lens 500 belongs to the common knowledge of those skilled in the art and will not be elaborated in detail here. The Fresnel lens 500 is arranged to improve the light utilization rate and increase the field of view angle.

[0075] Reference Figures 1 to 12 According to another aspect of the present application, an embodiment of the present application further provides a lighting device, which includes a lamp and the above-mentioned optical lens, wherein the mounting tube 100 is mounted on the lamp, and the lamp is used to emit light toward the mounting end surface 111.

[0076] In the embodiment of the present application, the lamp is located on the side of the Fresnel lens 500 away from the mounting end surface 111; by using the optical lens in the present application, the light beam emitted by the lamp can be adjusted accordingly so that the light beam emitted by the lamp meets the corresponding requirements.

[0077] In summary, the implementation of the optical lens and lighting device provided in this embodiment has at least the following beneficial technical effects: when the optical lens of the present application is assembled, the first optical accessory 210 is first installed in the limiting area through the installation opening. At this time, the fixing member 310 will prevent the first optical accessory 210 located in the limiting area from leaving the limiting area along the first preset direction. Then, the width of the installation opening is adjusted by the moving member 320, so that the moving member 320 can prevent the first optical accessory 210 located in the limiting area from leaving the limiting area along the second preset direction. At this time, the first optical accessory 210 is assembled at the installation end surface 111; then other optical accessories can be installed on the installation side surface 113 by means of snaps or other installation structures, so that the first optical accessory 210 and other optical accessories can be assembled on the installation tube 100 at the same time without interfering with each other; by adopting the limiting assembly 300 in the present application, other optical accessories can be assembled to the installation side surface 113 on the premise that the first optical accessory 210 is assembled to the installation end surface 111, and the first optical accessory 210 and other optical accessories do not interfere with each other, thereby avoiding assembly restrictions.

[0078] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. An optical lens, characterized in that: Used in a lighting device, the optical lens comprises a mounting tube (100), an accessory assembly (200) and a stop assembly (300), wherein the mounting tube (100) has a mounting end surface (111) and a mounting side surface (113), and the accessory assembly (200) comprises a first optical accessory (210); The limiting assembly (300) comprises: a fixing member (310) mounted on the mounting end surface (111); the area between the fixing member (310) and the mounting end surface (111) is used to form a limiting area; the limiting area has a mounting opening; the first optical accessory (210) is mounted in the limiting area through the mounting opening and is mounted on the mounting end surface (111); the fixing member (310) is used to prevent the first optical accessory (210) from leaving the limiting area along a first preset direction; a moving part (320) mounted on the fixing part (310) and capable of adjusting the width of the mounting opening, and used to allow or prevent the first optical accessory (210) from passing through the mounting opening and entering or exiting the limiting area along a second preset direction, wherein the second preset direction and the first preset direction form an angle with each other; The fixing member (310) comprises a fixing body (311) and a plurality of connecting columns (312); the fixing body (311) is mounted on the mounting end surface (111) via the plurality of connecting columns (312); The surface of the fixing body (311) close to the mounting end surface (111) is used to form a blocking surface, and the blocking surface is used to block the first optical accessory (210) from leaving the limiting area along the first preset direction; the connecting column (312) is used to block the first optical accessory (210) from leaving the limiting area along the second preset direction; The moving part (320) comprises a moving body (322) and a blocking body (321) connected to each other, wherein the moving body (322) is mounted on the fixed body (311) and can slide on the fixed body (311), and the blocking body (321) is mounted on the moving body (322) and can slide on the mounting end surface (111); The moving member (320) has an avoidance position and a blocking position. When the moving member (320) is in the avoidance position, the moving member (320) allows the first optical accessory (210) to enter and exit the limiting area through the installation opening; when the moving member (320) is in the blocking position, the moving member (320) blocks the first optical accessory (210) from entering and exiting the limiting area through the installation opening. The first preset direction is parallel to the axial direction of the installation tube (100), and the second preset direction is parallel to the radial direction of the installation tube (100).

2. The optical lens according to claim 1, characterized in that: The moving part (320) further comprises a limiting structure (323), wherein the limiting structure (323) is connected to the moving body (322), and the limiting structure (323) is used to fix the moving body (322) against the fixed body (311) when the moving part (320) is in the avoiding position and the blocking position.

3. The optical lens according to claim 2, characterized in that: The limiting structure (323) comprises a limiting button (3231), a limiting shaft (3232) and a return spring (3233), wherein the limiting button (3231) is in contact with the moving body (322), and a mounting step groove (32311) is provided on the limiting button (3231); the limiting shaft (3232) passes through the mounting step groove (32311) and is connected to the moving body (322); the return spring (3233) Located in the mounting step groove (32311), the limiting shaft (3232) has a limiting cap (32321), the first end of the return spring (3233) contacts the limiting cap (32321), the second end of the return spring (3233) contacts the bottom of the mounting step groove (32311), and the return spring (3233) is used to apply a pressing force set toward the moving body (322) to the limiting button (3231); A limiting groove (3114) and a sliding groove (3113) are provided on the fixed body (311) along the first preset direction, the sliding groove (3113) is connected to the limiting groove (3114), and the movable body (322) is slidably installed in the sliding groove (3113); the limiting groove (3114) comprises a first groove section (31141), a connecting groove section (31142) and a second groove section (31143) which are connected in sequence, and the second groove section (31143) is located on a side of the first groove section (31141) away from the blocking body (321); When the moving part (320) is in the avoidance position, the limit button (3231) is located in the second slot section (31143), and the slot wall of the connecting slot section (31142) blocks the limit button (3231) from entering the connecting slot section (31142); when the moving part (320) is in the blocking position, the limit button (3231) is located in the first slot section (31141), and the slot wall of the connecting slot section (31142) blocks the limit button (3231) from entering the connecting slot section (31142).

4. The optical lens according to claim 1, characterized in that: The fixed body (311) is a semicircular arc strip, and the number of the moving parts (320) is two, one of the two moving parts (320) is arranged corresponding to the first end of the fixed body (311), and the other moving part (320) is arranged corresponding to the second end of the fixed body (311); the moving body (322) is arranged along the circumference of the fixed body (311), and the central angle of the moving body (322) is less than or equal to 90°.

5. The optical lens according to any one of claims 1 to 4, characterized in that: The accessory assembly (200) further comprises a second optical accessory (220), wherein the second optical accessory (220) is mounted on the mounting side (113).

6. The optical lens according to claim 5, characterized in that: The mounting tube (100) comprises a mounting cover (110), the mounting end surface (111) and the mounting side surface (113) are both arranged on the mounting cover (110), and the mounting end surface (111) is arranged adjacent to the mounting side surface (113); the mounting cover (110) further comprises a blocking surface (112), the blocking surface (112) is arranged opposite to the mounting end surface (111) and adjacent to the mounting side surface (113); The second optical accessory (220) is arranged around the outer periphery of the first optical accessory (210), and a part of the structure of the second optical accessory (220) is mounted on the mounting end surface (111); the optical lens further comprises a clamping portion, the clamping portion comprises a movable clamping claw (410), the movable clamping claw (410) is rotatably mounted on the second optical accessory (220), and the movable clamping claw (410) has a clamping position and an avoidance position; When the movable claw (410) is in the engaging position, the movable claw (410) is blocked by the mounting end surface (111) and the blocking surface (112) from moving along the first preset direction, and is blocked by the mounting side surface (113) from moving along the second preset direction; when the movable claw (410) is in the avoidance position, the movable claw (410) can move along the first preset direction and the second preset direction.

7. The optical lens according to any one of claims 1 to 4, characterized in that: The optical lens further comprises a Fresnel lens (500), and the Fresnel lens (500) is installed inside the installation tube (100).

8. A lighting device, characterized in that: The lighting device comprises a lamp and an optical lens according to any one of claims 1 to 7, the mounting tube (100) being mounted on the lamp, and the lamp is used to emit light toward the mounting end surface (111).

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