EF port focusing lens switching structure and imaging hue instrument

Abstract

The utility model discloses an EF port focusing lens switching structure and an imaging hue instrument. The structure comprises a substrate, a locking shading module, a bayonet module and a communication module. The base plate comprises an annular supporting part and an operation part, the operation part is arranged on the outer side of the annular supporting part, the locking shading module comprises an alignment assembly and a shading plate which are connected with each other, the alignment assembly is arranged at the rear end of the operation part, and the shading plate is arranged at the rear end of the alignment assembly and extends to an inner hole of the annular supporting part from the rear end of the operation part. The bayonet module is arranged on the inner side of the annular supporting part, the upper side face of the bayonet module is flush with the upper side face of the annular supporting part, and the communication module is arranged on the rear side of the annular supporting part and extends to an inner hole of the annular supporting part. The use equipment can be compatible with more lenses in a switching mode, and signals sent or fed back by the use equipment to the lenses can be transmitted, so that the use convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to photography, projection, industrial photographing lens technology technical field, especially a kind of EF mouth focusing lens adapter structure and imaging tonal appearance are related. BACKGROUND

[0002] The focusing device of lens in prior art is often manually focused, which is not convenient enough, lacks compatibility and focusing accuracy for multiple lenses.In addition, its application in some compact spaces is limited due to its large size. INVENTION CONTENTS

[0003] The utility model aims at at least one of the technical problems existing in prior art is solved.For this purpose, the utility model provides an EF mouth focusing lens adapter structure, which can connect multiple focusing lenses and transmit signals sent or feedback by the external lens of the use equipment.

[0004] The utility model further provides an imaging tonal appearance with the above-mentioned EF mouth focusing lens adapter structure.

[0005] According to the EF mouth focusing lens of the first aspect of the utility model, the base plate includes a ring-shaped support part and an operation part, the operation part is arranged outside the ring-shaped support part, the locking and shading module includes a locking assembly and a shading plate connected with each other, the locking assembly is arranged at the rear end of the operation part, the shading plate is arranged at the rear end of the locking assembly, and the shading plate extends from the rear end of the operation part to the inner hole of the ring-shaped support part, the bayonet module is arranged on the inner side of the ring-shaped support part, and the upper side of the bayonet module is flush with the upper side of the ring-shaped support part, the communication module is arranged on the rear side of the ring-shaped support part, and the communication module extends to the inner hole of the ring-shaped support part and is used for communication connection with the focusing lens.

[0006] According to some embodiments of the utility model, the shading plate and the communication module protrude from the inner hole of the base plate to form an arc.

[0007] According to some embodiments of the utility model, the bayonet module includes an EF bayonet ring and a ring-shaped elastic sheet, the EF bayonet ring is arranged on the ring-shaped support part, the upper side of the EF bayonet ring is flush with the upper side of the ring-shaped support part, and the ring-shaped elastic sheet is clamped between the EF bayonet ring and the ring-shaped support part.

[0008] According to some embodiments of the utility model, the upper side of the bayonet module is provided with a docking groove.

[0009] According to some embodiments of the utility model, the communication module includes touch base, cover plate and electric control contact, the electric control contact is equipped on the touch base, the electric control contact is located in the annular support part inner hole, the electric control contact bottom is connected with the cover plate, the cover plate is arranged on the touch base, the cover plate with electric control contact is equipped with electric connection, the cover plate front side is equipped with electric connection hole and outer machine connection.

[0010] According to some embodiments of the utility model, the electric connection hole on the cover plate has seven.

[0011] According to some embodiments of the utility model, the electric control contact has eight.

[0012] According to some embodiments of the utility model, the operation part is equipped with first recess, the light shield plate outside is equipped with first spring hole and second spring hole, the first spring hole and the second spring hole are located in the first recess slot.

[0013] According to some embodiments of the utility model, the locking assembly is arranged in the first recess, the locking assembly includes button, connecting pin and connecting sheet, the button is equipped on the operation part, the connecting pin is equipped on the annular support part and the bayonet module, one end of the connecting sheet is arranged on the button, the other end of the connecting sheet is arranged with slot and is stuck with the connecting pin, the first spring is located below the button, one end of the first spring is pressed in the first spring hole, the other end of the first spring is pressed the connecting sheet, the second spring is located below the connecting pin, one end of the second spring is pressed in the second spring hole, the other end of the second spring is pressed the connecting sheet.

[0014] The detection device according to the second aspect of the utility model, including the device according to the first aspect of the utility model.

[0015] The utility model embodiment has at least the following beneficial effects: through the mode of switching, the use equipment can be compatible with more lenses, and the signal that the use equipment sends or feedbacks to the lens can be transmitted, and the use convenience is improved.

[0016] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0018] Figure 1Structure diagram of the EF port focusing lens adapter structure of the embodiment of the utility model;

[0019] Figure 2 Structure diagram of the EF port focusing lens adapter structure of the embodiment of the utility model from another angle;

[0020] Figure 3 Exploded view of the EF port focusing lens adapter structure of the embodiment of the utility model;

[0021] Figure 4 Exploded view of the EF port focusing lens adapter structure of the embodiment of the utility model from another angle;

[0022] Figure 5 For Figure 3 Structure diagram of the locking assembly of the EF port focusing lens adapter structure shown;

[0023] Reference signs:

[0024] The base plate 100, the annular support part 110, the operation part 120, the first recess 121,

[0025] The locking shading module 200, the button 211, the connecting pin 212, the connecting sheet 213, the first spring 214, the second spring 215, the shading plate 220, the first spring hole groove 221, the second spring hole groove 222,

[0026] The bayonet module 300, the EF bayonet ring 310, the annular elastic sheet 320, the butt joint groove 330,

[0027] The communication module 400, the touch base 410, the cover plate 420, the electric control contact 430. DETAILED DESCRIPTION

[0028] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0029] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship of up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as limiting the utility model.

[0030] In the description of this utility model, "several" means one or more, "multiple" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, and "above," "below," and "within" are understood to include the number itself. The use of terms such as "first" and "second" is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, or implicitly indicating the number or order of the technical features indicated.

[0031] In the description of the present invention, unless otherwise clearly defined, words such as “set,” “install,” “connect,” and “connected” should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above words in the present invention based on the specific content of the technical solution.

[0032] Reference below Figures 1 to 5 The following describes an EF-mount focusing lens adapter structure according to an embodiment of the present invention.

[0033] like Figures 1 to 4 As shown, an EF-mount focusing lens adapter structure according to an embodiment of the present invention includes a base plate 100 , a locking light shielding module 200 , a bayonet module 300 and a communication module 400 .

[0034] The base plate 100 includes an annular support portion 110 and an operating portion 120. The operating portion 120 is arranged on the outside of the annular support portion 110, and the bayonet module 300 is arranged on the inside of the annular support portion 110. The upper side of the bayonet module 300 is flush with the upper side of the annular support portion 110. The communication module 400 is arranged on the rear side of the annular support portion 110, and the communication module 400 extends to the inner hole of the annular support portion 110 for communication connection with the focusing lens, including a locking assembly 210 and a light shielding plate 220 that are interconnected. The locking assembly 210 is arranged at the rear end of the operating portion 120, and the light shielding plate 220 extends from the rear end of the operating portion 120 to the inner hole of the annular support portion 110.

[0035] When in use, this structure secures the base plate 100 to the device using the annular support portion 110 on the base plate 100. The external lens mount module 300 is rotatably connected, and the locking shading module 200 locks the lens in place. The communication module 400 transmits signals from the device to or from the external lens. The design of the mount module allows for connection to a variety of lenses. The shading plate 220 and communication module 400 protrude through the inner hole of the base plate, effectively reducing stray light from the external lens entering the device.

[0036] The design of the bayonet module 300 allows for the connection of a variety of bayonet lenses, thus achieving diverse lens usage. The communication module 400 is provided with an electrical connection that can transmit electrical signals from the device to the external lens, providing a signal transmission basis for the automatic focusing of the external lens.

[0037] In some embodiments of the utility model, the light shielding plate 220 and the communication module 400 form an arc with the inner hole of the substrate 100. Referring to Figure 1 The light shielding plate 220 and the communication module 400 form an arc with the inner hole of the substrate 100, and the arc-shaped design corresponds to the circular aperture of the external lens, which can effectively reduce the stray light passing through the device. The light shielding structure of the lens formed by the locking light shielding module 200 and the communication module 400 extending the body makes the overall modeling more compact, so as to be applied in some narrow environment.

[0038] In some embodiments of the utility model, the bayonet module 300 includes an EF bayonet ring 310 and an annular spring 320, the EF bayonet ring 310 is arranged on the substrate 100, the upper side of the EF bayonet ring 310 is flush with the upper side of the annular support part 110, and the annular spring 320 is arranged between the EF bayonet ring 310 and the annular support part 110. Referring to Figure 1 And Figure 4 The upper side of the EF bayonet ring 310 is flush with the upper side of the annular support part 110, which ensures the flatness of the external lens installation. The annular spring 320 is arranged between the EF bayonet ring 310 and the annular support part 110, and the annular spring 320 has an elastic force on the EF bayonet ring 310, which can better connect with the external lens. Of course, the EF bayonet ring can also be an RF bayonet, a Z interface and a C bayonet, etc. The bayonet type needs to be adapted to the lens group used.

[0039] In some embodiments of the utility model, a docking groove 330 is arranged on the upper side of the bayonet module 300. Referring to Figure 1 The docking groove 330 arranged on the bayonet module 300 can correspond to the installation mark on the external lens, so that the external lens can be quickly aligned with the bayonet module 300 and installed and connected.

[0040] In some embodiments of the utility model, the communication module 400 includes a touch base 410, a cover plate 420 and an electric control contact 430, the electric control contact 430 is arranged on the touch base 410, the electric control contact 430 is located in the inner hole of the annular support part 110, the bottom of the electric control contact 430 is connected with the cover plate 420, the cover plate 420 is arranged on the touch base 410, the cover plate 420 and the electric control contact 430 are arranged to be electrically connected, and the front side of the cover plate 420 is provided with an electrically connected hole connected with the external machine. Referring to Figures 1 to 4As shown, the position of the electric control contact 430 is set to facilitate the connection with the external lens to realize the transmission of signals. The cover plate 420 is electrically connected with the electric control contact 430 and is provided with an electrically connected hole on the front side to be connected with the external lens, so that the connection with the use equipment can be realized, and the signals can be received and fed back. The design of the communication module 400 plays a role in signal transmission relay for the use equipment to control the external lens.

[0041] In some specific embodiments of the utility model, the electrically connected hole on the cover plate 420 has seven, and the electric control contact 430 has eight. Referring to Figure 3 As shown, the multiple electrically connected holes and electric control contacts can better transmit and receive signals, of course, the number of the electric control contact 430 corresponds to the connection on the external lens, and the number of the electrically connected hole on the cover plate 420 is greater than or equal to the electrically connected hole on the use equipment.

[0042] In some specific embodiments of the utility model, the operation part 120 is provided with a first recess 121, the light shield plate 220 is provided with a first spring hole 221 and a second spring hole 222 on the outer side, the first spring hole 221 and the second spring hole 222 are located below the slot of the first recess 121, the locking assembly 210 comprises a button 211, a connecting pin 212 and a connecting sheet 213, the button 211 is arranged on the operation part 120, the connecting pin 212 is arranged on the annular support part 110 and the bayonet module 300, one end of the connecting sheet 213 is arranged on the button 211, the other end of the connecting sheet 213 is arranged with a slot to clamp the connecting pin 212, the first spring 214 is located below the button 211, one end of the first spring 214 is pressed in the first spring hole 221, the other end of the first spring 214 is pressed on the connecting sheet 213, the second spring 215 is located below the connecting pin 212, one end of the second spring 215 is pressed in the second spring hole 222, and the other end of the second spring 215 is pressed on the connecting sheet 213.

[0043] Referring to Figures 1 to 5As shown, the first groove 121 is matched with the first spring hole 221 and the second spring hole 222, and the locking assembly 210 is arranged between the first spring hole 221 and the second spring hole 222. The locking assembly 210 comprises a button 211, a connecting pin 212 and a connecting piece 213, the button 211 is arranged on the operation part 120, the connecting pin 212 is arranged on the annular supporting part 110 and the bayonet module 300, one end of the connecting piece 213 is arranged on the button 211, and the other end of the connecting piece 213 is arranged with a notch to clamp the connecting pin 212, and the button 211 can control the connecting pin 212 to displace synchronously through the connecting piece 213. The first spring 214 is arranged between the first spring hole 221 and the connecting piece 213 and the button 211, and the second spring 215 is arranged between the second spring hole 222 and the connecting piece 213 and the connecting pin 212, so that the first spring hole 221 and the second spring hole 222 can provide a supporting force to the connecting piece 213, and the connecting piece 213 can press the button 211 and the connecting pin 212 to protrude from the upper side of the substrate 100.

[0044] When the external lens is connected, the external lens compresses the connecting pin 212, the connecting pin 212 presses the connecting piece 213, the connecting piece 213 compresses the second spring 540 to displace, then the lens is rotated by 60 degrees to be clamped with the bayonet module 300, and the connecting pin 212 is reset to be inserted into the notch arranged in the external lens. When the lens is disassembled, the button 211 is pressed, the button 211 compresses the first spring 214, the connecting piece 213 is displaced, the connecting piece 213 drives the connecting pin 212 to compress the second spring 215 to displace, so that the connecting pin 212 is separated from the notch arranged in the external lens, the external lens can be rotated to be separated from the bayonet module 300, and after the button 211 is released, the locking light shielding module 200 is reset as a whole under the action of the first spring 530 and the second spring 540. The arrangement of the locking light shielding module 200 can ensure that the external lens is installed in place.

[0045] The utility model embodiment further discloses an imaging toner instrument, comprising the EF mouth focusing lens adapter structure of above.

[0046] When the device is used, the substrate 100 is fixed to the using equipment through the annular supporting part 110 on the substrate 100, the external lens is connected in position and rotated with the bayonet module 300, the locking light shielding module 200 is locked to the lens rotated in position, and the communication module 400 can transmit the signal sent or fed back by the using equipment to the external lens. The design of the bayonet module can connect various lenses. The light shielding plate 220 and the communication module 400 protruding from the hole in the substrate can effectively reduce the stray light entering the using equipment from the external lens.

[0047] The utility model embodiment has been described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. An EF mount focusing lens adapter structure, characterized in that: include: A substrate (100), the substrate (100) comprising an annular support portion (110) and an operating portion (120), the operating portion (120) being arranged outside the annular support portion (110); a bayonet module (300), the bayonet module (300) being arranged inside the annular support portion (110), the upper side surface of the bayonet module (300) being flush with the upper side surface of the annular support portion (110); a communication module (400), the communication module (400) being arranged on the rear side of the annular support portion (110), and the communication module (400) extending to the inner hole of the annular support portion (110), for communication connection with the focusing lens; The locking shading module (200) comprises a locking assembly (210) and a shading plate (220) connected to each other, wherein the locking assembly (210) is arranged at the rear end of the operating portion (120), and the shading plate (220) extends from the rear end of the operating portion (120) to the inner hole of the annular support portion (110).

2. The EF mount focusing lens adapter structure according to claim 1, wherein: The light shielding plate (220) and the communication module (400) protrude from the inner hole of the annular support portion (110) to form an arc.

3. The EF mount focusing lens adapter structure according to claim 1, wherein: The bayonet module (300) comprises an EF bayonet ring (310) and an annular spring piece (320); the EF bayonet ring (310) is arranged on the annular support portion (110); the upper side surface of the EF bayonet ring (310) is flush with the upper side surface of the annular support portion (110); and the annular spring piece (320) is clamped and arranged between the EF bayonet ring (310) and the annular support portion (110).

4. The EF mount focusing lens adapter structure according to claim 1, wherein: A docking groove (330) is provided on the upper side of the bayonet module (300).

5. The EF mount focusing lens adapter structure according to claim 1, wherein: The communication module (400) includes a touch base (410), a cover plate (420) and an electric control contact (430), wherein the electric control contact (430) is arranged on the touch base (410), the electric control contact (430) is located in the inner hole of the annular support portion (110), the bottom of the electric control contact (430) is connected to the cover plate (420), the cover plate (420) is arranged on the touch base (410), the cover plate (420) and the electric control contact (430) are electrically connected, and the front side of the cover plate (420) is provided with an electrical connection hole for connecting to an external unit.

6. The EF mount focusing lens adapter structure according to claim 5, characterized in that: There are seven electrical connection holes on the cover plate (420).

7. The EF mount focusing lens adapter structure according to claim 5, characterized in that: There are eight electrical control contacts (430).

8. The EF mount focusing lens adapter structure according to claim 1, wherein: The operating portion (120) is provided with a first groove (121), and the upper side of the light shielding plate (220) is provided with a first spring hole (221) and a second spring hole (222), wherein the first spring hole (221) and the second spring hole (222) are located below the notch of the first groove (121).

9. The EF mount focusing lens adapter structure according to claim 8, characterized in that: The locking assembly (210) is arranged in the first groove (121), and the locking assembly (210) comprises a button (211), a connecting pin (212) and a connecting piece (213). The button (211) is arranged on the operating portion (120), the connecting pin (212) is arranged on the annular support portion (110) and the bayonet module (300), one end of the connecting piece (213) is arranged on the button (211), and the other end of the connecting piece (213) is provided with a notch to clamp the The connecting pin (212) is provided with a first spring (214) located below the button (211), one end of the first spring (214) is pressed into the first spring hole (221), and the other end of the first spring (214) is pressed into the connecting piece (213). The second spring (215) is located below the connecting pin (212), one end of the second spring (215) is pressed into the second spring hole (222), and the other end of the second spring (215) is pressed into the connecting piece (213).

10. An imaging colorimeter, characterized in that: The invention comprises the EF-mount focusing lens adapter structure according to any one of claims 1 to 9.

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