Focusing ring assembly

Abstract

The utility model discloses a focusing ring assembly which comprises a focusing ring body, an outer circular ring is arranged at the position, close to the bottom, of the outer side of the focusing ring body, an annular clamping groove is formed in the bottom in the outer circular ring, and a plurality of limiting grooves are formed in the positions, corresponding to the positions close to the top in the annular clamping groove, of the interior of the outer circular ring. An annular plate is fixedly connected to the position, close to the bottom, of the outer side of the focusing ring body. According to the focusing ring assembly, through designing the clamping structure of the limiting groove and the limiting block and the threaded connection of the threaded rod and the inner threaded sleeve, the rapid and stable connection between the focusing ring main body and the outer circular ring is realized, and compared with the traditional thread direct fixing or complex buckling structure, the design greatly simplifies the disassembly and assembly process, improves the working efficiency, and reduces the cost. The rotary knob is rotated to drive the rotating rod and the rotating plate to rotate, and then the threaded rod is driven to rotate and lift in the inner threaded sleeve, so that the outer ring can be easily disassembled and assembled without using extra tools, and the operation is simple, convenient and quick.

Description

TECHNICAL FIELD

[0001] The utility model relates to focusing ring subassembly technical field, specifically is a focusing ring subassembly. BACKGROUND

[0002] In the field of photography and optical instruments, the focusing ring is a key component for adjusting the focal length of the lens, and the rationality of its design is directly related to the user's experience and the overall performance of the instrument.

[0003] In the traditional focusing ring subassembly, the connection between the focusing ring main body and the outer ring is often directly fixed by threads or connected through a complex buckle structure. Although this design method ensures the stability of the structure to some extent, it brings many inconveniences in actual application. When the outer ring needs to be replaced or maintained, the disassembly process is also tedious, and even the components may be damaged due to improper operation, affecting the reusability and overall life of the focusing ring. SUMMARY

[0004] The utility model aims at providing a focusing ring subassembly to solve the problem of the traditional focusing ring subassembly mentioned in the background technology, where the connection between the focusing ring main body and the outer ring is often directly fixed by threads or connected through a complex buckle structure. Although this design method ensures the stability of the structure to some extent, it brings many inconveniences in actual application. When the outer ring needs to be replaced or maintained, the disassembly process is also tedious, and even the components may be damaged due to improper operation, affecting the reusability and overall life of the focusing ring.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a focusing ring subassembly, comprising a focusing ring main body, an outer ring is arranged at the bottom position of the outer side of the focusing ring main body, a ring-shaped clamping groove is opened at the bottom of the inner side of the outer ring, a plurality of limiting grooves are opened at the top position corresponding to the ring-shaped clamping groove in the inner side of the outer ring, a ring-shaped plate is fixedly connected at the bottom position of the outer side of the focusing ring main body, a plurality of movable grooves are opened in the inner side of the ring-shaped plate, a movable block is slidably connected in the inner side of the movable groove, a limiting block is fixedly connected at the center of one side of the movable block, the limiting block penetrates into the inner side of the limiting groove and is clamped with the limiting groove at the side away from the movable block, four grooves are opened at the bottom position of the outer ring, a rotating groove is opened at the outer side of the groove corresponding to the inner side of the outer ring, a rotating plate is arranged in the inner side of the groove, the outer side of the rotating plate penetrates into the inner side of the rotating groove and is rotatably connected with the rotating groove at one side, a threaded rod is fixedly connected at one side of the rotating plate, and a rotating rod is fixedly connected at the other side of the rotating plate.

[0006] Compared with the prior art, the utility model has the advantages of:

[0007] The focusing ring assembly, through the clamping structure of the limiting groove and the limiting block, and the threaded connection of the threaded rod and the internal threaded sleeve, realizes the quick and stable connection between the focusing ring main body and the outer ring, compared with the traditional direct fixing or complex buckle structure, this design greatly simplifies the disassembly process, improves the work efficiency, rotates the rotating rod and the rotating plate by rotating the knob, and then drives the threaded rod to rotate and lift in the internal threaded sleeve, that is, the outer ring can be easily disassembled, without using additional tools, the operation is simple and fast, the movable block is slidably connected with the movable groove through the damping rod, and the elastic support is provided by the reset spring, this design not only ensures that the limiting block can be stably clamped into the limiting groove, but also effectively buffers the impact force during disassembly, avoids damage to the parts, enhances the stability and durability of the structure, the anti-skid pad arranged on the inner wall of the limiting groove further increases the friction between the limiting block and the limiting groove, prevents the connection from loosening due to vibration or external force, and ensures the long-term stability of the focusing accuracy, the sliding groove is arranged in the inner ring plate, and the sliding block fixed at the top and bottom of the movable block is slidably connected, this design not only ensures the stability and accuracy of the movable block during movement, but also makes the disassembly process smoother, reduces the disassembly difficulty caused by part jamming or misalignment, the rotating connection design of the rotating groove and the rotating plate, and the accommodating effect of the groove on the rotating plate further optimizes the disassembly experience, so that the user can easily find the operation point when disassembling the outer ring, avoiding the risk of damaging the parts due to improper operation, in addition, this design also facilitates cleaning, maintenance or replacement of the outer ring, improves the reusability and overall life of the focusing ring assembly. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is a structural schematic diagram of the utility model;

[0009] Figure 2 It is a structural schematic diagram of the utility model Figure 1 It is a partial enlarged schematic diagram of A in the utility model;

[0010] Figure 3 It is a partial enlarged schematic diagram of B in the utility model Figure 1 It is a partial enlarged schematic diagram of B in the utility model;

[0011] Figure 4 It is a structural perspective view of the rotating plate of the utility model.

[0012] In the drawing: 1, focusing ring main body; 2, outer ring; 3, annular clamping groove; 4, limiting groove; 5, annular plate; 6, movable groove; 7, sliding groove; 8, movable block; 9, sliding block; 10, damping rod; 11, reset spring; 12, limiting block; 13, anti-skid pad; 14, annular bottom plate; 15, annular positioning groove; 16, annular positioning strip; 17, groove; 18, rotating groove; 19, internal threaded sleeve; 20, rotating plate; 21, threaded rod; 22, rotating rod; 23, knob. DETAILED DESCRIPTION

[0013] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part 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 the present application.

[0014] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a focusing ring subassembly, including focusing ring main body 1, the bottom position of the outside of focusing ring main body 1 is provided with outer ring 2, the bottom of the inside of outer ring 2 is provided with annular clamping groove 3, the inside of outer ring 2 is provided with several limit slots 4 in the top position of the inside of annular clamping groove 3, the bottom position of the outside of focusing ring main body 1 is fixedly connected with annular plate 5, the inside of annular plate 5 is provided with several movable slots 6, the inside of movable slot 6 is slidably connected with movable block 8, the center of one side of movable block 8 is fixedly connected with limit block 12, the side of limit block 12 away from movable block 8 is penetrated to the inside of limit slot 4 and is clamped with limit slot 4, the bottom position of outer ring 2 is provided with four grooves 17, the outside of the inside of outer ring 2 is provided with rotary groove 18 corresponding to groove 17, groove 17 is provided with rotary plate 20, the outside of rotary plate 20 is penetrated to the side of rotary groove 18 and is rotatably connected with rotary groove 18, one side of rotary plate 20 is fixedly connected with threaded rod 21, the other side of rotary plate 20 is fixedly connected with rotary rod 22.

[0015] The other side of movable block 8 is fixedly connected with damping rod 10, the side of damping rod 10 is fixedly connected with the inner wall of movable slot 6, the outside of damping rod 10 is sleeved with reset spring 11, the both sides of reset spring 11 are fixedly connected with movable block 8 and the inner wall of movable slot 6 respectively.

[0016] The inside of annular plate 5 is provided with sliding slot 7 corresponding to the top and bottom of movable slot 6, the top and bottom of movable block 8 are fixedly connected with sliding block 9, the side of sliding block 9 away from annular plate 5 is penetrated to the inside of sliding slot 7 and is slidably connected with sliding slot 7.

[0017] The inner wall of limit slot 4 is fixedly connected with antiskid pad 13, the end of limit block 12 away from movable block 8 is in contact with the inner wall of antiskid pad 13.

[0018] The bottom of the outside of focusing ring main body 1 is fixedly connected with annular bottom plate 14, the top of annular bottom plate 14 is fixedly connected with annular positioning strip 16, the bottom of outer ring 2 is provided with annular positioning groove 15, the top of annular positioning strip 16 is penetrated to the inside of annular positioning groove 15 and is clamped with annular positioning groove 15.

[0019] The four sides of the outer side of the focusing ring body 1 correspond to the inner position of the annular clamping groove 3 and are fixedly connected with the internal thread sleeve 19. The screw rod 21 penetrates the internal thread sleeve 19 from the side away from the rotating plate 20 and is threadedly connected with the internal thread sleeve 19.

[0020] The rotating rod 22 penetrates the outside of the outer ring 2 from the side away from the rotating plate 20 and is fixedly connected with the knob 23.

[0021] Working principle: The bottom of the outer side of the focusing ring body 1 is fixed with the annular bottom plate 14. The annular bottom plate 14 is provided with the annular positioning strip 16. The bottom of the outer ring 2 is provided with the annular positioning groove 15 matched with the annular positioning strip 16. When the annular positioning strip 16 is inserted into the annular positioning groove 15, the preliminary positioning of the focusing ring body 1 and the outer ring 2 is realized. By rotating the knob 23, the rotating rod 22 and the rotating plate 20 are driven to rotate, and then the screw rod 21 is rotated and fastened in the internal thread sleeve 19, and finally the outer ring 2 is firmly fixed on the focusing ring body 1. The annular plate 5 is fixed on the outer side of the focusing ring body 1, and the inside of the annular plate 5 is provided with the movable groove 6. The movable block 8 is slidably connected in the movable groove 6. The movable block 8 can be kept in a stable and movable state in the movable groove 6 through the action of the damping rod 10 and the return spring 11. The movable block 8 is fixed with the limiting block 12. When the relative position of the focusing ring body 1 and the outer ring 2 is adjusted to the right position, the limiting block 12 will be clamped into the limiting groove 4 on the outer ring 2 to realize fixation. The setting of the non-slip pad 13 increases the friction between the limiting block 12 and the limiting groove 4 to prevent loosening. The top and bottom of the movable block 8 are slidably connected with the sliding block 9 and the sliding groove 7, which ensures the stable sliding of the movable block 8 in the movable groove 6 and limits the moving direction of the movable block 8. When it is necessary to adjust the relative position of the focusing ring body 1 and the outer ring 2, the elastic force of the return spring 11 can be overcome to move the movable block 8 and the limiting block 12 thereon, so that they are detached from the limiting groove 4, and then the adjustment is carried out. The rotating groove 18 and the rotating plate 20 provided on the outer ring 2 make the screw rod 21 conveniently rotate and fasten in the internal thread sleeve 19. The setting of the knob 23 provides an external operating point of the rotating rod 22, which is convenient for the user to rotate and operate, so as to fix or loosen the connection between the focusing ring body 1 and the outer ring 2.

[0022] To sum up: the focusing ring assembly, through the design of the clamping structure of the limiting groove 4 and the limiting block 12, and the threaded connection of the threaded rod 21 and the internal threaded sleeve 19, realizes the quick and stable connection between the focusing ring main body 1 and the outer ring 2, compared with the traditional direct fixing or complex buckle structure, this design greatly simplifies the disassembly process, improves the work efficiency, rotates the knob 23 to drive the rotating rod 22 and the rotating plate 20 to rotate, and then drives the threaded rod 21 to rotate and lift in the internal threaded sleeve 19, that is, the outer ring 2 can be easily disassembled, without using additional tools, the operation is simple and fast, the movable block 8 is slidably connected with the movable groove 6 through the damping rod 10, and the reset spring 11 provides elastic support, this design not only ensures that the limiting block 12 can be stably clamped into the limiting groove 4, but also can effectively buffer the impact force during disassembly, avoid damaging the parts, and enhance the stability and durability of the structure, the anti-slip pad 13 arranged on the inner wall of the limiting groove 4 further increases the friction between the limiting block 12 and the limiting groove 4, prevents the connection from loosening due to vibration or external force, and ensures the long-term stability of the focusing accuracy, the sliding groove 7 is formed in the annular plate 5, and the sliding block 9 is fixed to the top and bottom of the movable block 8, this design not only ensures the stability and accuracy of the movable block 8 during movement, but also makes the disassembly process smoother, reduces the difficulty of disassembly caused by part jamming or misalignment, the rotating groove 18 is rotatably connected with the rotating plate 20, and the recess 17 accommodates the rotating plate 20, which further optimizes the disassembly experience, so that the user can easily find the operation point when disassembling the outer ring 2, avoiding the risk of damaging the parts due to improper operation, in addition, this design also facilitates cleaning, maintenance or replacement of the outer ring 2, improves the reusability and overall life of the focusing ring assembly.

[0023] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0024] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A focus ring assembly comprising a focus ring body (1), characterized in that: The outer side of the focusing ring body (1) is provided with an outer ring (2) at the bottom position, the bottom of the outer ring (2) is provided with an annular clamping groove (3), the inner side of the outer ring (2) is provided with a plurality of limiting grooves (4) at the top position corresponding to the annular clamping groove (3), the outer side of the focusing ring body (1) is fixedly connected with an annular plate (5) at the bottom position, the inner side of the annular plate (5) is provided with a plurality of movable grooves (6), the inner side of the movable groove (6) is slidably connected with a movable block (8), the center of one side of the movable block (8) is fixedly connected with a limiting block (12), the side of the limiting block (12) away from the movable block (8) penetrates into the inner side of the limiting groove (4) and is clamped with the limiting groove (4), the bottom position of the outer ring (2) is provided with four grooves (17), the inner side of the outer ring (2) is provided with a rotating groove (18) corresponding to the outer side of the groove (17), the inner side of the groove (17) is provided with a rotating plate (20), the outer side of the rotating plate (20) penetrates into one side of the rotating groove (18) and is rotatably connected with the rotating groove (18), one side of the rotating plate (20) is fixedly connected with a threaded rod (21), the other side of the rotating plate (20) is fixedly connected with a rotating rod (22).

2. A focus ring assembly according to claim 1, wherein: The other side of the movable block (8) is fixedly connected with a damping rod (10), one side of the damping rod (10) is fixedly connected with the inner wall of the movable groove (6), the outer side of the damping rod (10) is sleeved with a return spring (11), the two sides of the return spring (11) are respectively fixedly connected with the movable block (8) and the inner wall of the movable groove (6).

3. The focus ring assembly of claim 1, wherein: The inner side of the annular plate (5) is provided with a sliding groove (7) corresponding to the top and bottom of the movable groove (6), the top and bottom of the movable block (8) are fixedly connected with a sliding block (9), the side of the sliding block (9) away from the annular plate (5) penetrates into the inner side of the sliding groove (7) and is slidably connected with the sliding groove (7).

4. The focus ring assembly of claim 1, wherein: The inner wall of the limiting groove (4) is fixedly connected with an anti-skid pad (13), the end of the limiting block (12) away from the movable block (8) is in contact with the inner wall of the anti-skid pad (13).

5. The focus ring assembly of claim 1, wherein: The bottom of the outer side of the focusing ring body (1) is fixedly connected with an annular bottom plate (14), the top of the annular bottom plate (14) is fixedly connected with an annular positioning strip (16), the bottom of the outer ring (2) is provided with an annular positioning groove (15), the top of the annular positioning strip (16) penetrates into the inner side of the annular positioning groove (15) and is clamped with the annular positioning groove (15).

6. The focus ring assembly of claim 1, wherein: The four sides of the outer side of the focusing ring body (1) corresponding to the bottom position in the annular clamping groove (3) are fixedly connected with an internal thread sleeve (19), the side of the threaded rod (21) away from the rotating plate (20) penetrates into the inner side of the internal thread sleeve (19) and is threadedly connected with the internal thread sleeve (19).

7. The focus ring assembly of claim 1, wherein: The side of the rotating rod (22) away from the rotating plate (20) penetrates into the outer side of the outer ring (2) and is fixedly connected with a knob (23).

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