A new type of rotary quick-install interface device

Abstract

The present invention relates to the technical field of photographic equipment, and in particular to a novel rotary quick-release interface device, comprising a mounting base and a connector for interlocking, wherein the mounting base is provided with a claw and a locking device, and the connector is provided with a buckle, and the buckle and the claw cooperate with each other to achieve axial interlocking. The locking device comprises a positioning pin and a compression spring, and the positioning pin extends out of the mounting base under the support of the compression spring. The connector is also provided with a limiting hole, an inclined surface and an avoidance position, and the depth of the avoidance position is greater than the height of the positioning pin extending out of the mounting base. After the connector is aligned with the mounting base and rotated, the positioning pin can enter the limiting hole along the avoidance position and the inclined surface in sequence. Since the avoidance position is provided with a certain length, before the positioning pin enters the inclined surface area, the buckle and the claw can be partially staggered, so that when the inclined surface presses down the positioning pin, the force exerted by the compression spring on the connector is completely offset by the mounting base itself, ensuring that the user can quickly and labor-savingly install the connector and the mounting base.

Description

Technical Field

[0001] The invention relates to the technical field of photographic equipment, and in particular to a novel rotary quick-install interface device for assisting conversion lenses in realizing quick installation and removal. Background Art

[0002] In underwater photography, the waterproof housing of the camera is mostly equipped with a waterproof lens barrel for protecting the camera lens, so that the underwater photographer can install a conversion lens with specific functions at the front end of the waterproof lens barrel to complete the shooting composition and framing, such as an ultra-wide-angle lens or a macro conversion lens. Among them, the waterproof lens barrel and the conversion lens are mostly connected by threads, that is, the inner side of the waterproof lens barrel is provided with an internal thread, and the outer side of the conversion lens is provided with an external thread. The conversion lens is tightened to the front end of the waterproof lens barrel after rotating it 2-3 times. This connection method requires a certain amount of time and patience for installing and removing the conversion lens, which can easily affect the photographer's creation. For example, if it is tightened too much, it may not be removed at a critical moment; or if it is not tightened enough, it may shake during use and worry about falling off... On the other hand, the housing of the waterproof lens barrel and the conversion lens is mostly made of aluminum alloy with hard anodized surface treatment. Repeated disassembly and assembly can easily cause wear and fall of the threads and oxide layer, thereby affecting the service life of the product. What's more serious is that when operating underwater, it will also be disturbed by mud, sand and stones, causing the threads to wear and fail faster.

[0003] To this end, patent document CN 206710779 U designs a quick-release interface device to solve the above-mentioned problems of complicated assembly and disassembly and thread wear, but the quick-release interface device also has defects. When installing the conversion lens on the waterproof lens barrel, the operator needs to exert a large axial thrust to force the positioning pin to avoid, or actively press the unlocking device, so that the conversion lens can be successfully installed on the waterproof lens barrel. Summary of the invention

[0004] The invention aims to enable users to quickly and labor-savingly assemble and disassemble the connecting piece and install the female seat.

[0005] To this end, a new type of rotary quick-release interface device is provided, including a mounting base and a connecting piece for interlocking, the mounting base is provided with a plurality of claws and an independent locking device, the connecting piece is provided with a limiting hole and a buckle for axially locking with the claw, the locking device includes a positioning pin, a compression spring and a switch button, the positioning pin extends out of the mounting base under the support of the compression spring, the switch button is fixedly connected to the positioning pin to drive the positioning pin to move up and down, and the end face of the connecting piece is also provided with an avoidance position and an inclined surface, the inclined surface is respectively connected to the avoidance position and the limiting hole, and in the process of interlocking, the positioning pin can slide along the avoidance position and the inclined surface in turn until it is clamped into the limiting hole; the depth of the avoidance position is greater than the height of the positioning pin extending out of the mounting base, and its length can allow the buckle and the claw to be partially staggered before the positioning pin enters the inclined surface.

[0006] Furthermore, the claw includes an introduction section, a plane section, and an elastic section which are connected in sequence, the introduction section is an inclined surface that can guide the buckle into the plane section, and the elastic section has a certain elasticity and toughness to eliminate the axial assembly gap between the mounting socket and the connecting piece in the installed state.

[0007] Furthermore, marks indicating the alignment status are respectively provided on the mounting socket and the connecting member.

[0008] Furthermore, the mounting base also includes a base, a mounting seat and a locking ring, the base is fixedly connected to the mounting seat, the locking ring is clamped between the mounting seat and the base, and the outer side wall of the locking ring is provided with an external thread.

[0009] Furthermore, the locking device also includes a retaining spring and a washer, wherein the retaining spring is arranged at one end of the compression spring close to the mounting seat, and the washer is arranged at the other end of the compression spring.

[0010] Furthermore, the mounting seat is provided with a plurality of limit blocks along its inner side wall, and the limit blocks limit the connection member when the positioning pin slides to be inserted into the limit hole.

[0011] Furthermore, the base is provided with fixing pin through holes for positioning in the circumferential direction, and the fixing pin through holes are an even number and are opened at both ends of one or more diameter lines of the base.

[0012] Furthermore, one or more water inlet channels are provided on the mounting base.

[0013] Furthermore, the mounting base is arranged on one side of the visible window of the waterproof lens barrel, and the connecting piece is arranged on the image side of the conversion lens.

[0014] Furthermore, the mounting base and the waterproof lens barrel are connected by a locking ring or are integrated with each other, and the connecting piece and the conversion lens are connected by screws, threads or are integrated with each other.

[0015] Beneficial effects:

[0016] Compared with the complicated operation of conventional threaded connection, the rotary quick-release interface device of the present invention has simple and quick locking operation, high assembly efficiency, good connection effect, and the user only needs to provide lateral rotation force during the entire locking process, thereby achieving the purpose of labor saving.

[0017] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented according to the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of the separation of the conversion lens, the mounting base, and the waterproof lens barrel of this embodiment;

[0020] Figure 2 This is a schematic diagram of the connection between the female base and the waterproof lens barrel in this embodiment;

[0021] Figure 3 This is an exploded schematic diagram of installing the female base in this embodiment;

[0022] Figure 4 Schematic diagram of the structure of the connecting piece of this embodiment. DETAILED DESCRIPTION

[0023] See Figure 1 The rotary quick-release interface device of this embodiment is composed of a mounting female seat 1 and a connecting member 2. The connecting member 2 is arranged on the image side of the conversion lens, and is integrally formed with the conversion lens or connected by screws or threads. The mounting female seat 1 is arranged on the object side of the visual window 31 of the waterproof lens barrel 3, and is integrally formed with the waterproof lens barrel 3 or connected by threads. The rotary quick-release interface device composed of the mounting female seat 1 and the connecting member 2 enables the conversion lens to be quickly and labor-savingly assembled and disassembled on the waterproof lens barrel 3.

[0024] Specifically, see Figure 3The mounting base 1 is composed of a mounting base 11, a locking ring 12 and a base 13, all of which are in an annular shape. The mounting base 11 is provided with a plurality of mounting holes 111, and screws 14 having the same number as the mounting holes 111 are passed through the mounting holes 111 to connect with the base 13, thereby fixing the mounting base 11 on the base 13. The locking ring 12 is arranged between the mounting base 11 and the base 13, and its outer peripheral side wall is provided with an external thread to engage with the mounting base 11. Figure 1 The waterproof lens barrel 3 in the lens is locked and fixed.

[0025] As a preferred option, see Figure 3 The mounting seat 11 is set as a three-claw mounting seat 11, and the mounting holes 111 thereon are set to six and evenly distributed along the circumference of the mounting seat 11, so that the mounting seat 11 is evenly stressed, the compressive strength thereof is improved, and the connection effect is more stable and reliable.

[0026] Furthermore, a screw cover 141 is provided at the upper end of the screw 14, thereby effectively preventing the sharp portion of the screw 14 from scratching the surface of the component, thereby improving the safe use performance of the component.

[0027] A locking device 15 is provided between the mounting seat 11 and the base 13. The locking device 15 is composed of a positioning pin 151, a switch button 152, a retaining spring 153, a compression spring 154 and a washer 155. Figure 3 The mounting seat 11 is provided with a locating pin accommodating hole, and the base 13 is provided with a groove. One end of the locating pin 151 stands on the groove, and the other end extends out of the top surface of the mounting seat 11 through the locating pin accommodating hole. The main body of the switch button 152 is a handle, which extends out of the mounting base 2 and is fixedly connected to the locating pin 151 in the middle part between the mounting seat 11 and the base 13. The retaining spring 153, the compression spring 154 and the washer 155 are sequentially sleeved on the locating pin 151 and are located below the connection between the handle and the locating pin 151, wherein the retaining spring 153 is arranged at the end where the compression spring 154 bounces up (that is, the end of the compression spring 154 close to the mounting seat 11), and the washer 155 is arranged at the other end.

[0028] Under normal conditions, the compression spring 154 props up the switch button 152, so that the positioning pin 151 extends out of the top surface of the mounting seat 11. Figure 4 The connector 2 has a limiting hole 22, the size of which is adapted to the positioning pin 151. When the connector 2 is interlocked with the mounting base 1, the positioning pin 151 extends out of the top surface of the mounting base 11 and is inserted into the limiting hole 22 to achieve locking. When unlocking is required, the switch button 152 is pressed to drive the positioning pin 151 to move downward, so that the positioning pin 151 exits the limiting hole 22 to achieve unlocking.

[0029] See Figure 3 The inner side wall of the mounting seat 11 is provided with a claw 112 and a limit block 113. Figure 4The connector 2 is provided with a buckle 21 which is axially interlocked with the claw 112. When the connector 2 needs to be interlocked with the mounting base 1, first Figure 1 The connector mark 25 shown is aligned with the mounting base mark 16, and then the connector 2 is inserted into the mounting base 1, and the connector 2 is rotated clockwise until the buckle 21 of the connector 2 hits the limit block 113 and stops rotating. At this time, the buckle 21 of the connector 2 and the claw 112 of the mounting base 11 are staggered and fitted, and the connector 2 and the mounting base 11 are axially interlocked.

[0030] See Figure 2 Preferably, the claw 112 is composed of an introduction section 1121, a plane section 1122, and an elastic section 1123 connected in sequence, wherein the introduction section 1121 is an inclined surface. During the interlocking connection between the connector 2 and the mounting base 1, the introduction section 1121 is used to quickly guide the buckle 21 into the plane section 1122, and the plane section 1122 is used to cooperate with the buckle 21 to achieve axial interlocking. The elastic section 1123 has a certain elasticity and toughness, and is used to eliminate the axial assembly gap between the mounting base 1 and the connector 2 in the installed state.

[0031] See Figure 4 As an improvement, an inclined surface 23 and an escape position 24 are additionally provided on the connector 2, wherein the escape position 24 is a groove of a certain length, the depth of the bottom surface of the groove is greater than the height of the positioning pin 151 extending out of the mounting base 1 under normal conditions, and the inclined surface 23 connects the limiting hole 22 and the escape position 24 respectively. In the process of inserting the connector 2 into the mounting base 1, the positioning pin 151 directly sinks into the escape position 24. Since the depth of the escape position 24 is greater than the height of the positioning pin 151 extending out of the mounting base 1 under normal conditions, there is a gap between the positioning pin 151 and the escape position 24, so the escape position 24 does not press on the positioning pin 151. In this way, the user does not need to apply axial force to press down the positioning pin 151 in the process of inserting the connector 2 into the mounting base 1. When the connector 2 is inserted until its buckle 21 exceeds the claw 112, the connector 2 is rotated to move the positioning pin 151 in the avoidance position 24 toward the inclined surface 23. During the movement, a portion of the claw 112 simultaneously enters the buckle 21 to achieve a preliminary fit between the two. Thereafter, the connector 2 is continued to be rotated, and the positioning pin 151 enters the inclined surface 23 and climbs along the inclined surface 23. During this process, the inclined surface 23 slowly presses the positioning pin 151 down until it is rotated to align with the limiting hole 22. At this time, the compressed positioning pin 151 rebounds under the action of the compression spring 154, thereby being locked into the limiting hole 22 to achieve circumferential locking.

[0032] When the positioning pin 151 enters the inclined surface 23, the claws 112 have been staggered and fitted with the buckle 21, so when the inclined surface 23 presses the positioning pin 151, the elastic force generated by the compression spring 154 can be automatically offset by the reaction force generated by the buckle 21. In this way, during the installation process, the user does not need to apply a thrust to counteract the elastic force generated by the compression spring 154, but only needs to provide a lateral rotation force, thereby achieving the purpose of labor saving.

[0033] When the connector 2 needs to be disassembled, the switch button 152 is pressed to make the positioning pin 151 withdraw from the limiting hole 22 to release the locking state, and then the connector 2 is rotated counterclockwise to separate the connector 2 and the mounting seat 11 from each other, so that the conversion lens can be quickly taken out.

[0034] Compared with the complicated operation of the previous threaded connection, the rotary quick-install interface device of this embodiment has a simple and quick operation process, high assembly efficiency, and is more labor-saving.

[0035] Further, see Figure 3 The outer side of the base 13 in the circumferential direction is connected with a fixing pin 132 and a matching through hole. The fixing pin 132 is arranged at both ends of a diameter line of the base 13. The base 13 is positioned on the waterproof lens barrel 3 through the fixing pin 132. By arranging the fixing pin 132, the base 13 can not only adapt to connections of different thicknesses, with a good tightening effect, but also adapt to the positioning installation of different hole positions, including various through holes, semi-through holes and blind hole parts, etc., and has a wide range of uses.

[0036] In actual underwater photography or videography, the shooting time is short. If the conversion lens needs to be replaced, it is impossible to go ashore to replace it and then go underwater, which will delay the opportunity. Therefore, it is often necessary to directly replace the conversion lens underwater. However, when replacing underwater, it is inevitable that water will enter the gap between the conversion lens and the waterproof lens barrel 3, resulting in a poor shooting effect. To solve this problem, see Figure 3 In this case, a groove is intentionally provided on the mounting seat 11 to form a water inlet channel 114. During and after the underwater replacement process, due to the existence of the water inlet channel 114, water will enter the gap between the waterproof lens barrel 3 and the conversion lens through the water inlet channel 114 to completely fill the gap. At this time, by setting the optical path system and lens parameters inside the conversion lens, the chromatic aberration of shooting caused by the presence of water between the waterproof lens barrel 3 and the conversion lens is corrected. In this way, the user can replace the conversion lens underwater without affecting the later shooting effect, thus achieving underwater replacement. It should be noted that how to set the optical path system and lens parameters inside the conversion lens to correct the chromatic aberration of shooting caused by the presence of water between the waterproof lens barrel 3 and the conversion lens is no longer within the scope of discussion of this case, so this case will not be expanded.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. A novel rotary quick-install interface device, comprising a mounting base (1) and a connecting member (2) for interlocking, wherein the mounting base (1) is provided with a plurality of claws (112) and an independent locking device (15), wherein the connecting member (2) is provided with a limiting hole (22) and a buckle (21) for axially interlocking with the claw (112), wherein the locking device (15) comprises a positioning pin (151), a compression spring (154) and a switch button (152), wherein the positioning pin (151) extends out of the mounting base (1) under the support of the compression spring (154), and the switch button (152) is fixedly connected to the positioning pin (151) so as to drive the positioning pin (151) to move up and down, and wherein: The end surface of the connecting member (2) is also provided with an avoidance position (24) and an inclined surface (23), and the inclined surface (23) is respectively connected to the avoidance position (24) and the limiting hole (22). In the process of interlocking, the positioning pin (151) can slide along the avoidance position and the inclined surface (23) in sequence until it is inserted into the limiting hole (22); the depth of the avoidance position (24) is greater than the height of the positioning pin (151) extending out of the mounting female seat (1), and its length can allow the buckle (21) and the claw (112) to be partially staggered before the positioning pin (151) enters the inclined surface (23); The mounting base (1) is provided with one or more water inlet channels (114); The mounting female seat (1) is arranged on one side of the visual window (31) of the waterproof lens barrel (3), and the connecting member (2) is arranged on the image side of the conversion lens; The mounting female seat (1) and the waterproof lens barrel (3) are connected or integrated with each other via a locking ring (12), and the connecting piece (2) and the conversion lens are connected by screws, threads or integrated with each other.

2. A novel rotary quick-install interface device according to claim 1, characterized in that: The claw (112) comprises an introduction section (1121), a plane section (1122), and an elastic section (1123) which are connected in sequence. The introduction section (1121) is an inclined surface capable of introducing the buckle (21) into the plane section (1122). The elastic section (1123) has a certain elasticity and toughness so as to eliminate an axial assembly gap between the mounting base (1) and the connecting member (2) in an installed state.

3. A novel rotary quick-install interface device as claimed in claim 1, characterized in that: Marks indicating the alignment status are respectively provided on the mounting female seat (1) and the connecting member (2).

4. According to claim 1, the novel rotary quick-install interface device is characterized in that: The mounting base (1) further comprises a base (13), a mounting base (11) and a locking ring (12); the base (13) and the mounting base (11) are fixedly connected; the locking ring (12) is clamped between the mounting base (11) and the base (13); and an outer wall of the locking ring (12) is provided with an external thread.

5. A novel rotary quick-install interface device according to claim 4, characterized in that: The locking device (15) further comprises a retaining spring (153) and a washer (155); the retaining spring (153) is arranged at one end of the compression spring (154) close to the mounting seat (11); and the washer (155) is arranged at the other end of the compression spring (154).

6. A novel rotary quick-install interface device according to claim 4, characterized in that: The mounting seat (11) is provided with a plurality of limit blocks (113) along its inner side wall, and the limit blocks (113) limit the connection member (2) when the positioning pin (151) slides to be engaged in the limit hole (22).

7. A novel rotary quick-install interface device according to claim 4, characterized in that: The base (13) is provided with fixing pin through holes for positioning in the circumferential direction. The fixing pin through holes are an even number and are opened at both ends of one or more diameter lines of the base (13).

Images