Photographic beam barrel

Abstract

The utility model relates to the technical field of shooting accessories, in particular to a shooting beam barrel which comprises an installation barrel, an imaging negative film, a lens module, a condensing lens barrel, a lampshade and a light shield, and an installation channel is arranged in the installation barrel. The imaging negative film is arranged on the mounting cylinder and can enter the mounting channel; the lens module is arranged in the mounting channel; the condensing lens barrel comprises a condensing end and a connecting end, the connecting end is connected to one end of the mounting barrel, and the condensing end faces a lamp holder of the light supplementing lamp; the lampshade is arranged on the periphery of the condensing lens barrel in a sleeving mode and used for being connected with a bayonet of the light supplementing lamp, and heat dissipation holes are formed in the lampshade. And one end of the light shield is connected with the mounting cylinder, sleeves the periphery of the lampshade and is used for shielding the heat dissipation holes. After the light shield is installed, light is prevented from being emitted out, the light leakage phenomenon of the light supplementing lamp is reduced, and the light utilization rate of the light bundling barrel and the light mixing effect of different colored light can be improved. Meanwhile, gaps are reserved between the light shield and the heat dissipation holes, it can be guaranteed that heat is dissipated from the gaps, and normal use of the light supplementing lamp is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shooting accessories, and particularly relates to a photography beam cylinder. BACKGROUND

[0002] The beam cylinder is a light control tool commonly used in a photography studio, and its main function is to concentrate scattered light into a more intense beam of light, thereby reducing the illumination area of the light source, and it is commonly used for local lighting. The beam cylinder can make the shooting object more stereoscopic by concentrating light on a small part, and it is particularly suitable for shooting local parts or small objects.

[0003] The beam cylinder includes a lampshade, and a bayonet mount is arranged at the position of the lampshade and is installed at the bayonet mount position of the light supplement lamp. The beam cylinder is simple in structure and mainly achieves the effect of concentrating the light irradiation range by folding the edges. In use, the honeycomb structure and pattern sheet can be matched to further control the light, so as to produce a stronger light ratio and a sense of hierarchy. The beam cylinder further includes a condenser lens barrel and a lens module, and the condenser lens barrel is arranged in the lampshade and converges the light of the light supplement lamp and directs it to the lens module. The light supplement lamp generates heat during use, and in order not to affect the normal use of the light supplement lamp, a heat dissipation hole is arranged at the position of the lampshade, so that the heat generated by the light supplement lamp is dissipated in time.

[0004] However, due to the arrangement of the heat dissipation hole, the existing beam cylinder has the problem of light leakage, which may affect the light supplement effect at times. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a photography beam cylinder, which can reduce light leakage while solving the heat dissipation of the light supplement lamp, so as to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing a photography beam cylinder, which comprises a mounting cylinder, an imaging negative, a lens module, a condenser lens barrel, a lampshade and a light shield, and the mounting cylinder is internally provided with a mounting channel; the imaging negative is arranged on the mounting cylinder and is slidingly connected to the mounting cylinder, and the imaging negative can enter the mounting channel; the lens module is arranged in the mounting channel; the condenser lens barrel comprises a condensing end and a connecting end, the connecting end is connected to one end of the mounting cylinder, and the condensing end faces the lamp holder of the light supplement lamp; the lampshade is sleeved on the outer periphery of the condenser lens barrel and is connected to the bayonet mount of the light supplement lamp, and the lampshade is provided with a heat dissipation hole; the light shield is connected to the mounting cylinder at one end and is sleeved on the outer periphery of the lampshade, and is used for shielding the heat dissipation hole, and a gap is left between the light shield and the heat dissipation hole.

[0007] Further, the mounting cylinder comprises an entrance end and an exit end, the entrance end is connected to the connecting end, and the connecting end is gradually arranged in a closed structure from the entrance end to the condensing end.

[0008] Further, the outer side wall of the lampshade is provided with a connecting block near the end position, the connecting block is connected with the bayonet of the light supplement lamp, and the end of the lampshade is protruded on the light collecting end.

[0009] Further, the light shield cover is in a cylindrical shape, one end of the light shield cover is connected with the light collecting end, the projection surface of the light shield cover completely covers the heat dissipation hole, and the end of the lampshade is protruded on the other end of the light shield cover.

[0010] Further, one end of the light shield cover is connected with the inner side wall of the light collecting end of the mounting cylinder.

[0011] Further, the inner side wall of the light collecting end of the mounting cylinder is provided with a connecting thread, and the outer side wall of one end of the light shield cover is provided with an external thread, and the external thread is connected with the connecting thread.

[0012] Further, the connecting end is provided with a connecting surrounding edge, the lampshade comprises a plug-in end and a mounting end, the plug-in end is provided with an abutting surrounding edge, the mounting end is used for being connected with the bayonet of the light supplement lamp, the plug-in end can abut to the connecting surrounding edge, and after the external thread is connected with the connecting thread, one end of the light shield cover abuts to the abutting surrounding edge.

[0013] Further, one side of the abutting surrounding edge is provided with a limiting table, the limiting table limits the mounting position of the light shield cover, so that a gap is left between the light shield cover and the lampshade.

[0014] Further, the heat dissipation hole is a plurality of and is arranged around the lampshade.

[0015] Further, the imaging film is rotationally connected to the mounting cylinder, a plurality of positioning grooves are arranged around the side wall of the imaging film, and an elastic clamping structure is arranged on the side wall of the mounting cylinder and can be clamped into the positioning grooves.

[0016] The beneficial effects of the utility model lie in:

[0017] 1. One end of the light shield cover is connected with the mounting cylinder and is sleeved on the outer periphery of the lampshade, is used for shielding the heat dissipation hole, and a gap is left between the light shield cover and the heat dissipation hole. After the light shield cover is mounted, the heat dissipation hole can be shielded, light leakage of the light supplement lamp is prevented, the light utilization rate of the light beam cylinder and the mixed light effect of different color lights can be improved. Meanwhile, the gap left between the light shield cover and the heat dissipation hole can guarantee that heat is dissipated from the gap position, and normal use of the light supplement lamp is ensured.

[0018] 2. The inner side wall of the light collecting end of the mounting cylinder is provided with a connecting thread, the outer side wall of one end of the light shield cover is provided with an external thread, and the external thread is connected with the connecting thread. The mounting cylinder adopts the threaded connection mode, so that the light shield cover can be quickly mounted and dismounted.

[0019] 3. The connecting end is equipped with a connecting rim. The lampshade includes a plug-in end and a mounting end. The plug-in end has an abutting rim, and the mounting end is used to connect with the fill light's bayonet. The plug-in end can abut against the connecting rim. After the external thread is connected with the connecting thread, one end of the light shield abuts against the abutting rim. With the above structural design, the condenser lens and lampshade can be simultaneously fixed and installed by fixing the light shield, resulting in higher assembly efficiency.

[0020] 4. The imaging film is rotatably connected to the mounting cylinder. The side wall of the imaging film has multiple positioning grooves, and the side wall of the mounting cylinder has an elastic locking structure that can engage with the positioning grooves. This elastic locking structure limits the rotation angle of the imaging film, making it easier to adjust the rotation of the pattern film. Attached Figure Description

[0021] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0022] Figure 1 A three-dimensional structural diagram of a photographic snoot provided for an embodiment of this utility model;

[0023] Figure 2 A schematic diagram of a partially exploded structure of a photographic stylitron provided for an embodiment of this utility model;

[0024] Figure 3 A cross-sectional view of the overall structure of a photographic stylitron provided in an embodiment of this utility model;

[0025] Figure 4 A partial structural cross-sectional view of a photographic stylitron provided for an embodiment of this utility model;

[0026] Figure 5 A front view of a photographic snoot provided for an embodiment of this utility model;

[0027] Figure 6 for Figure 5 Enlarged view of section A.

[0028] Explanation of reference numerals in the attached figures:

[0029] 1, mounting cylinder; 11, mounting channel; 12, light inlet end; 13, light outlet end; 14, connecting thread; 15, elastic clamping structure; 2, imaging film; 21, positioning groove; 3, lens module; 4, condenser cylinder; 41, condensing end; 42, connecting end; 43, connecting surrounding edge; 5, lampshade; 51, heat dissipation hole; 52, connecting block; 53, plug-in end; 54, mounting end; 55, abutting surrounding edge; 56, limiting table; 6, light shield; 61, gap; 62, external thread. DETAILED DESCRIPTION

[0030] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0031] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0033] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0034] REFERENCE Figures 1 to 6The utility model provides a kind of photographic beam light cylinder, including installation cylinder 1, imaging negative 2, lens module 3, condenser lens cylinder 4, lamp shade 5 and light shield 6, installation cylinder 1 inside is equipped with installation passage 11;Imaging negative 2 is arranged on installation cylinder 1 and is slidably connected in installation cylinder 1, and imaging negative 2 can enter into installation passage 11;Lens module 3 is equipped in installation passage 11;Condenser lens cylinder 4 includes condensing end 41 and connecting end 42, and connecting end 42 is connected to one end of installation cylinder 1, and condensing end 41 is towards the lamp cap of light supplementing lamp;Lamp shade 5 is sleeved on the outer periphery of condenser lens cylinder 4, for being connected with the bayonet of light supplementing lamp, and lamp shade 5 is equipped with heat dissipation hole 51;Light shield 6 is connected with installation cylinder 1 and is sleeved on the outer periphery of lamp shade 5, and light shield 6 is used to shield heat dissipation hole 51, and gap 61 is left between light shield 6 and heat dissipation hole 51.Light shield 6 can shield heat dissipation hole 51 after installation, prevent light from emitting, reduce the light leakage phenomenon of light supplementing lamp, can improve the light utilization rate of beam light cylinder and the mixed light effect of different color light.At the same time, gap 61 is left between light shield 6 and heat dissipation hole 51, can guarantee that heat is dissipated from the position of gap 61, guarantee that light supplementing lamp is normally used.

[0035] Specifically, installation cylinder 1 includes light inlet end 12 and light outlet end 13, and light inlet end 12 is connected with connecting end 42.Lens module 3 is multiple, and is the combination form of convex lens and concave lens, is equipped with lens module 3 at the position close to light inlet end 12 and light outlet end 13, and the refraction angle and position of light are changed by lens module 3.Condenser lens cylinder 4 includes condensing end 41 and connecting end 42, and connecting end 42 to condensing end 41 is gradually set in the structure of mouth, can converge the light of light supplementing lamp, so that light is shot into installation cylinder 1.The inner surface of condenser lens cylinder 4 is smoothly processed, and light is conveniently reflected.The outer side wall of lamp shade 5 is equipped with connecting block 52 near the end position, connecting block 52 is connected with the bayonet of light supplementing lamp, and in the embodiment, connecting block 52 is three and is distributed at equal intervals around a week of lamp shade 5, forms standard's bayonet, can be adapted to the bayonet of various light supplementing lamps on the market.

[0036] Wherein, the end of lamp shade 5 is protruded to condensing end 41, so that lamp shade 5 is connected with the bayonet of light supplementing lamp first, and then the lamp body of light supplementing lamp is moved into condensing end 41 of condenser lens cylinder 4.

[0037] Further, light shield 6 is cylindrical, one end of light shield 6 is connected with light inlet end 12, and the projection surface of light shield 6 completely shields heat dissipation hole 51, and the end of lamp shade 5 is protruded to the other end of light shield 6.

[0038] Specifically, the light shield 6 is provided in a cylindrical shape to match the shape of the lampshade 5. The inner diameter of the light shield 6 is greater than the outer diameter of the lampshade 5, so that the light shield 6 can wrap the lampshade 5. One end of the light shield 6 is fixedly connected to the light inlet end 12 of the mounting cylinder 1, and the other end of the light shield 6 protrudes from the heat dissipation hole 51 so that the light shield 6 can completely shield the heat dissipation hole 51. The end of the lampshade 5 protrudes from the other end of the light shield 6 to prevent the light shield 6 from interfering with the installation of the lampshade 5. In this embodiment, one end of the light shield 6 is connected to the inner side wall of the light inlet end 12 of the mounting cylinder 1. For example, a connecting thread 14 is arranged on the inner side wall of the light inlet end 12 of the mounting cylinder 1, and an external thread 62 is arranged on the outer side wall of one end of the light shield 6, which is connected to the connecting thread 14. The mounting cylinder 1 is connected by threads, which can realize quick installation and disassembly of the light shield 6.

[0039] In other embodiments, a connecting thread 14 can be arranged on the outer side wall of the light inlet end 12 of the mounting cylinder 1, and an internal thread can be arranged on the inner side wall of the light shield 6, which is connected to the connecting thread 14, which can also realize quick installation and disassembly of the light shield 6.

[0040] In other embodiments, the threaded connection of the light shield 6 can be replaced by plug-in or clamping connection, as long as it can realize the fixed installation of the light shield 6.

[0041] Further, the connecting end 42 is provided with a connecting surrounding edge 43, the lampshade 5 includes a plug-in end 53 and a mounting end 54, the plug-in end 53 is provided with an abutting surrounding edge 55, and the mounting end 54 is used for connecting with the bayonet of the light supplement lamp. The plug-in end 53 can abut to the connecting surrounding edge 43, and after the external thread 62 is connected to the connecting thread 14, one end of the light shield 6 abuts on the abutting surrounding edge 55.

[0042] Specifically, the connecting end 42 is provided with a ring-shaped connecting surrounding edge 43, the lampshade 5 includes a plug-in end 53 and a mounting end 54, the plug-in end 53 is mounted to the light inlet end 12 of the mounting cylinder 1, and the mounting end 54 is used for connecting with the bayonet of the light supplement lamp. The end inner diameter of the plug-in end 53 is greater than the end outer diameter of the connecting end 42, so that the lampshade 5 can be sleeved on the condenser lens cylinder 4. The outer diameter of the connecting surrounding edge 43 is greater than the end inner diameter of the plug-in end 53, so that the plug-in end 53 can abut to the connecting surrounding edge 43. The plug-in end 53 is also provided with an abutting surrounding edge 55, which is also arranged in a ring shape. The inner diameter of the light shield 6 is greater than the outer diameter of the lampshade 5, so that the light shield 6 can be sleeved on the lampshade 5. The outer diameter of the abutting surrounding edge 55 is greater than the inner diameter of the light shield 6, so that one end of the light shield 6 abuts on the abutting surrounding edge 55. By using the above structure, through the fixed installation of the light shield 6, the synchronous fixed installation of the condenser lens cylinder 4 and the lampshade 5 can be realized, and the assembly efficiency is higher.

[0043] In this embodiment, the outer side wall of the lampshade 5 is provided with a connecting block 52 near the end position, which will interfere with the sleeve installation of the light shield 6. Therefore, the light shield 6 needs to be sleeved on the lampshade 5 from the other end of the lampshade 5 first, and then the condenser barrel 4 and the lampshade 5 are installed in sequence, and finally the light shield 6 is screwed and fixed at the specified position of the mounting barrel 1.

[0044] In other embodiments, the condenser barrel 4, the lampshade 5 and the light shield 6 can also be independently installed, and the installation mode can be detachable connection modes such as clamping, inserting or threaded connection, which facilitates the disassembly and replacement of each component.

[0045] In other embodiments, the condenser barrel 4 or the lampshade 5 can also be separately connected in a fixed manner to assist the remaining two components to complete the fixed installation. Compared with the above-mentioned embodiment, the assembly efficiency of the components in this embodiment is also very high.

[0046] Further, the abutting surrounding edge 55 is provided with a limiting table 56 on one side, which limits the installation position of the light shield 6, so that there is a gap 61 between the light shield 6 and the lampshade 5.

[0047] Specifically, the heat dissipation holes 51 are multiple and arranged around the lampshade 5. The light shield 6 is in a cylindrical shape and wraps around the lampshade 5 to shield the heat dissipation holes 51 on the lampshade 5. In order to prevent the light shield 6 from directly adhering to the heat dissipation holes 51, a limiting table 56 is provided on one side of the abutting surrounding edge 55. The inner diameter of the light shield 6 is matched with the outer diameter of the limiting table 56, and the light shield 6 can be sleeved on the limiting table 56 and abut with the limiting table 56. The outer diameter of the limiting table 56 is larger than the outer diameter of the lampshade 5. After the light shield 6 is installed on the limiting table 56, there is a gap 61 between the light shield 6 and the lampshade 5, and the heat dissipated from the heat dissipation holes 51 can continue to be dissipated from the gap 61. The size of the gap 61 can be controlled by setting the size of the limiting table 56. In order to prevent light leakage of the light condensing barrel, the gap 61 is not easy to set too large.

[0048] In other embodiments, the limiting table 56 can also be provided on the inner diameter of the light shield 6. At this time, the inner diameter of the limiting table 56 is matched with the outer diameter of the lampshade 5, and the limiting table 56 can be sleeved on the outer diameter of the lampshade 5 and abut with the outer diameter of the lampshade 5. In this embodiment, when the light shield 6 is in place, there is also a gap 61 between the light shield 6 and the lampshade 5,

[0049] Further, the imaging film 2 is rotationally connected to the mounting cylinder 1, the side wall of the imaging film 2 is provided with a plurality of positioning grooves 21, and the side wall of the mounting cylinder 1 is provided with elastic clamping structures 15 which can be clamped into the positioning grooves 21. Through the elastic clamping structures 15, the rotation of the imaging film 2 can be angle-limited, and the rotation adjustment of the imaging film 2 is more convenient. In the embodiment, in order to strengthen the stability of the connection of the imaging film 2, two groups of elastic clamping structures 15 are arranged on the side wall of the mounting cylinder 1, and the two groups of elastic clamping structures 15 are symmetrically arranged on the two sides of the mounting cylinder 1.

[0050] In the embodiment, one end of the light shield 6 is connected with the mounting cylinder 1 and is sleeved on the outer periphery of the lampshade 5, and is used for shielding the heat dissipation holes 51. A gap 61 is left between the light shield 6 and the heat dissipation holes 51. After the light shield 6 is installed, the heat dissipation holes 51 can be shielded, the light leakage of the light supplement lamp is prevented, the light utilization rate of the light beam cylinder and the mixed light effect of different color lights can be improved. Meanwhile, the gap 61 left between the light shield 6 and the heat dissipation holes 51 can ensure that the heat is dissipated from the position of the gap 61, and the normal use of the light supplement lamp is ensured.

[0051] The embodiments of the specific embodiment are the preferred embodiments of the utility model, and are not limited to the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A photographic beam light cylinder characterized by, The utility model provides a kind of camera lens, including: Mounting cylinder (1), inside is equipped with installation channel (11); Imaging negative (2) is arranged on the mounting cylinder (1) and is slidably connected to the mounting cylinder (1), and the imaging negative (2) can enter into the installation channel (11); Lens module (3) is arranged in the installation channel (11); Condenser cylinder (4) includes condensing end (41) and connecting end (42), the connecting end (42) is connected to one end of the mounting cylinder (1), and the condensing end (41) is towards the lamp cap of fill light; Lampshade (5) is sleeved on the outer periphery of the condenser cylinder (4), is used to be connected with the bayonet of fill light, and the lampshade (5) is equipped with heat dissipation hole (51); Shading cover (6) is connected with the mounting cylinder (1) at one end and is sleeved on the outer periphery of the lampshade (5), is used to shield the heat dissipation hole (51), and the shading cover (6) and the heat dissipation hole (51) are left with gap (61).

2. The photographic beam light cylinder of claim 1, wherein, The mounting cylinder (1) includes light inlet end (12) and light outlet end (13), the light inlet end (12) is connected with the connecting end (42), and the connecting end (42) is gradually arranged in the closing structure to the condensing end (41).

3. The photographic beam light cylinder of claim 2, wherein, The outer side wall of the lampshade (5) is equipped with connecting block (52) near end position, the connecting block (52) is connected with the bayonet of fill light, and the end of the lampshade (5) is protruded to the condensing end (41).

4. The photographic beam light cylinder of claim 3, wherein, The shading cover (6) is cylindrical, one end of the shading cover (6) is connected with the light inlet end (12), the projection surface of the shading cover (6) completely shields the heat dissipation hole (51), and the end of the lampshade (5) is protruded to the other end of the shading cover (6).

5. The photographic beam light cylinder of claim 2, wherein, One end of the shading cover (6) is connected with the inner side wall of the light inlet end (12) of the mounting cylinder (1).

6. The photographic beam light cylinder of claim 5, wherein, The inner side wall of the light inlet end (12) of the mounting cylinder (1) is equipped with connecting thread (14), one end of the outer side wall of the shading cover (6) is equipped with external thread (62), and the external thread (62) is connected with the connecting thread (14).

7. The photographic beam light cylinder of claim 6 wherein, The connecting end (42) is equipped with connecting surrounding edge (43), the lampshade (5) includes plug-in end (53) and mounting end (54), the plug-in end (53) is equipped with abutting surrounding edge (55), the mounting end (54) is used for being connected with the bayonet of fill light, the plug-in end (53) can be abutted to connecting surrounding edge (43), after the external thread (62) is connected with the connecting thread (14), one end of the shading cover (6) is abutted on the abutting surrounding edge (55).

8. The photographic beam light cylinder of claim 7, wherein, The abutting surrounding edge (55) side is equipped with limiting table (56), the limiting table (56) limits the mounting position of the shading cover (6) to leave the gap (61) between the shading cover (6) and the lampshade (5).

9. The photographic beam light cylinder of claim 1, wherein, The heat dissipation hole (51) is multiple and is arranged around the lampshade (5) for a week.

10. The photographic beam light cylinder of claim 1, wherein, The imaging film (2) is rotationally connected to the mounting cylinder (1), a plurality of positioning grooves (21) are arranged on the side wall of the imaging film (2), and an elastic clamping structure (15) is arranged on the side wall of the mounting cylinder (1) and can be clamped into the positioning grooves (21).

Images