CN218158674U

CN218158674U - Pentaprism device for single lens reflex

Info

Publication number: CN218158674U
Application number: CN202221957310.9U
Authority: CN
Inventors: 万增民; 余孟
Original assignee: Xi'an Bojia Optoelectronics Co ltd
Current assignee: Xi'an Bojia Optoelectronics Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-12-27
Anticipated expiration: 2032-07-28

Abstract

The utility model relates to a camera component technical field just discloses a pentaprism device for single opposition machine, which comprises a bod, the terminal surface mid-mounting has the subassembly of making a video recording before the organism, the camera lens is installed to the terminal surface before the subassembly of making a video recording, camera lens surface mounting has protection subassembly, organism one side is equipped with the interface, the terminal surface is equipped with the flash light before the organism, the shutter is installed to organism up end one side, the formation of image subassembly is installed to the organism inner chamber, the organism is the upper end and is located the formation of image subassembly both sides and install stop device, the thermovent has been seted up to organism inner chamber bottom, the viewfinder is installed to organism rear end face, effectively protects the camera lens through protection subassembly, and buckle formula design is convenient for install and dismantle, and the elastic component through plate clamp both sides carries out the centre gripping to the pentaprism side fixed, then through rotating the bull stick, makes the stopper leave the plate clamp top, and the pulling lifting rod can take out or install pentaprism, and be quick, convenient.

Description

Pentaprism device for single lens reflex

Technical Field

The utility model relates to a camera component technical field, more specifically relate to a pentaprism device for single opposition machine.

Background

With the memory and record of people on beautiful scenery, cameras are gradually raised, wherein the single-lens reflex type view-finding camera is a single-lens reflex type view-finding camera, and the single-lens reflex type view-finding camera is characterized in that the view-finding is free of parallax due to the design of a view finder, and the design of a pentaprism is adopted.

The existing pentaprism device for the single inverter has the following defects:

firstly, the existing device generally puts the device into a protective sleeve for comprehensive protection in the daily maintenance process of the lens, and frequently installs and takes the device in the frequent use process, which is troublesome, and only needs to protect the most valuable lens at the moment, thereby avoiding the damage of the lens caused by the entering of dust and water stain.

Secondly, most of the conventional devices fixedly mount the pentaprism, so that the pentaprism cannot be conveniently replaced and mounted.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the utility model provides a pentaprism device for single opposition machine to solve the problem that exists among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a pentaprism device for single opposition machine, includes the organism, the terminal surface mid-mounting has the subassembly of making a video recording before the organism, the camera lens is installed to the terminal surface before the subassembly of making a video recording, the outer surface mounting of camera lens has protection component, organism one side is equipped with the interface, the terminal surface is equipped with the flash light before the organism, the shutter is installed to organism up end one side, the formation of image subassembly is installed to the organism inner chamber, the organism is the upper end and is located the formation of image subassembly both sides and install stop device, the thermovent has been seted up to organism inner chamber bottom, the viewfinder is installed to organism rear end face.

Further, the camera shooting assembly comprises a base, a pair of zooming rings, a fixed shell and a thread section, the base is fixedly connected to the middle of the front end face of the machine body, the thread section is arranged in the inner cavity of the base, the pair of zooming rings are connected to the thread section in the inner cavity of the base, the fixed shell is installed on the front end face of the zooming rings, and a lens is installed in the inner cavity of the fixed shell.

Further, protective assembly comprises buckle, connecting band, protective cover, set casing surface mounting has the buckle, the connecting band is installed to the buckle inner chamber, the protective cover is installed through the lug to the connecting band other end.

Furthermore, a dustproof cover is installed on the outer side of the connector, and the dustproof cover is made of rubber.

Further, the formation of image subassembly comprises dead lever, reflector, fixture block, draw-in groove, the screen of focusing, plate holder, arrangement chamber, elastic component, pentaprism, lifting rod, body cavity rear end face fixedly connected with dead lever, the reflector is installed to the dead lever other end, the reflector is forty-five degrees angles with the horizontal plane, the fixture block is installed to the terminal surface just lies in the reflector top around the body cavity, the draw-in groove has been seted up to the fixture block inboard, install the screen of focusing in the draw-in groove, body up end mid-mounting has the plate holder, the arrangement chamber has been seted up to plate holder both sides, it is equipped with the elastic component to settle the intracavity, the elastic component inboard just is located and focuses the screen top and is equipped with the pentaprism, plate holder up end mid portion fixedly connected with lifting rod.

Furthermore, stop device comprises bull stick, stop block, organism upper end is located plate holder both sides swing joint and has the bull stick, bull stick up end fixedly connected with stopper.

The utility model discloses a technological effect and advantage:

1. the utility model discloses an at the set casing surface mounting protective assembly of installation camera lens, when temporarily not using, the protective cover of connecting through the connecting band is covered the camera lens, and convenient and fast ground effectively protects, avoids dust and water stain entering to damage the camera lens, and dismantles when the convenient in design of buckle formula does not need.

2. The utility model discloses light gets into from the camera lens, on the screen of focusing is imaged to the reflection of light mirror through being forty-five degrees angles, the screen of focusing assembles light after the formation of image and gets into pentaprism and reflect through the pentaprism lower surface to the rear surface, on the viewfinder is reflected again to the rear surface, what make eyes see is upright image, the elastic component through the plate holder both sides carries out the centre gripping to the pentaprism side fixed, then through rotating the bull stick, make the stopper leave the plate holder top, the pulling is carried the pull rod and can be taken out or install the pentaprism, and is quick, convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is the structural schematic diagram of the camera module of the present invention.

Fig. 4 is a schematic structural view of the imaging assembly of the present invention.

The reference signs are: 1. a body; 2. a camera assembly; 201. a base; 202. for the zoom ring; 203. a stationary housing; 204. a threaded section; 3. a lens; 4. a guard assembly; 401. buckling; 402. a connecting belt; 403. a protective cover; 5. an interface; 501. a dust cover; 6. a flash lamp; 7. a shutter; 8. an imaging assembly; 801. fixing the rod; 802. a reflective mirror; 803. a clamping block; 804. a card slot; 805. a focusing screen; 806. a plate clamp; 807. a placement cavity; 808. an elastic member; 809. a pentaprism; 8010. lifting a pull rod; 9. a limiting device; 901. a rotating rod; 902. a limiting block; 10. a heat dissipation port; 11. and (6) finding a view window.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the drawings in the present invention, and the forms of the structures described in the following embodiments are merely examples, and the pentaprism device for single lens reflex camera according to the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without creative work belong to the scope of the present invention.

Referring to fig. 1-4, the utility model provides a pentaprism device for single lens reflex, including organism 1, the terminal surface mid-mounting has the subassembly 2 of making a video recording before the organism 1, the terminal surface is installed camera lens 3 before the subassembly 2 of making a video recording, 3 outer surface mounting of camera lens have

protection component

4, 1 one side of organism is equipped with interface 5, the terminal surface is equipped with flash light 6 before the organism 1, shutter 7 is installed to 1 up end one side of organism, imaging component 8 is installed to 1 inner chamber of organism, organism 1 is the upper end and is located imaging component 8 both sides and installs stop device 9, thermovent 10 has been seted up to 1 inner chamber bottom of organism, 1 rear end face of organism installs the viewfinder 11.

In a preferred embodiment, the camera assembly 2 is composed of a base 201, a pair of zoom rings 202, a fixed shell 203 and a threaded section 204, the base 201 is fixedly connected to the middle of the front end face of the body 1, the threaded section 204 is arranged in the inner cavity of the base 201, the pair of zoom rings 202 are in threaded connection with the inner cavity of the base 201, the fixed shell 203 is installed on the front end face of the pair of zoom rings 202, and the lens 3 is installed in the inner cavity of the fixed shell 203, so that the focal length can be adjusted.

In a preferred embodiment, the protection component 4 is composed of a buckle 401, a connecting band 402 and a protecting cover 403, the buckle 401 is mounted on the outer surface of the fixing shell 203, the connecting band 402 is mounted in the inner cavity of the buckle 401, the protecting cover 403 is mounted at the other end of the connecting band 402 through a lug, the protection component 4 is mounted on the outer surface of the fixing shell 203 where the lens 3 is mounted, when the protection component is not used temporarily, the lens 3 is covered by the protecting cover 403 connected through the connecting band 402, effective protection is conveniently and quickly performed, dust and water stain are prevented from entering and damaging the lens 3, and the buckle type design is convenient to disassemble.

In a preferred embodiment, the dust cap 501 is installed on the outer side of the interface 5, the dust cap 501 is made of rubber, the interface 5 is dustproof and waterproof, and dust and water stains are prevented from entering the interface 5, so that the internal precise structure is damaged.

In a preferred embodiment, the imaging assembly 8 is composed of a fixing rod 801, a reflective mirror 802, a fixture block 803, a clamping groove 804, a focusing screen 805, a plate clamp 806, a placing cavity 807, an elastic member 808, a pentaprism 809 and a lifting rod 8010, the fixing rod 801 is fixedly connected to the rear end face of the inner cavity of the machine body 1, the reflective mirror 802 is mounted at the other end of the fixing rod 801, the reflective mirror 802 forms a forty-five degree angle with the horizontal plane, the fixture block 803 is mounted on the front end face and the rear end face of the inner cavity of the machine body 1 above the reflective mirror 802, the clamping groove 804 is formed on the inner side of the fixture block 803, the focusing screen 805 is mounted in the clamping groove 804, the plate clamp 806 is mounted in the middle of the upper end face of the machine body 1, the placing cavities 807 are formed on both sides of the plate clamp 806, the elastic member 808 is disposed in the placing cavity 807, the pentaprism 809 is disposed above the focusing screen, the lifting rod 8010 is fixedly connected to the middle of the upper end face of the plate clamp 806, light enters from the lens 3, the lens, the light is reflected to the focusing screen 805, the image is reflected to the focusing screen 805 through the lower surface of the pentaprism 809, the rear surface of the viewing the image of the image on the pentaprism 809, and the eye holding plate 808, the image holding plate 808, and the image holding plate 808 is viewed through the eye holding clamp 806.

In a preferred embodiment, the limiting device 9 is composed of a rotating rod 901 and a limiting block 902, the rotating rod 901 is movably connected to the upper end of the machine body 1 and located on two sides of the plate clamp 806, the limiting block 902 is fixedly connected to the upper end face of the rotating rod 901, the limiting block 902 is separated from the upper side of the plate clamp 806 by rotating the rotating rod 901, and the clamped pentaprism 809 can be taken out or installed quickly and conveniently by pulling the lifting rod 8010.

The utility model discloses a theory of operation: through at the installation protective assembly 4 of the fixed shell 203 outer surface at installation camera lens 3, when not using temporarily, the protective cover 403 through connecting band 402 connection covers camera lens 3, convenient and fast ground effectively protects, avoid dust and water stain entering to damage camera lens 3, and the design of buckle formula is convenient to dismantle, light gets into from camera lens 3, reflect through the reflector 802 that is forty-five degrees angle and form images to focusing screen 805, focusing screen 805 assembles the light after the formation of images and gets into pentaprism 809, through the pentagon, 809 lower surface reflects to the rear surface, the rear surface reflects on viewfinder 11 again, what make eyes see is upright image, elastic component 808 through plate holder 806 both sides carries out centre gripping fixed to pentaprism 809 side, then through rotating the bull stick 901, make stopper 902 leave the top of plate holder 806, pulling pull rod 8010 can take out or install pentaprism 809 that is being held, it is quick, convenient.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention, and any modifications, equivalent alterations, improvements and the like made within the spirit and principle of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a pentaprism device for single opposition machine, includes organism (1), its characterized in that: the utility model discloses a camera shooting device, including organism (1), camera shooting subassembly (2) front end face installs camera lens (3), camera lens (3) surface mounting has protection component (4), organism (1) one side is equipped with interface (5), the terminal surface is equipped with flash light (6) before organism (1), shutter (7) are installed to organism (1) up end one side, imaging component (8) are installed to organism (1) inner chamber, organism (1) is the upper end and lies in imaging component (8) both sides and installs stop device (9), thermovent (10) have been seted up to organism (1) inner chamber bottom, viewfinder (11) are installed to organism (1) rear end face.

2. The pentaprism device for a single lens reflex camera according to claim 1, characterized in that: the camera shooting assembly (2) is composed of a base (201), a zooming ring (202), a fixed shell (203) and a thread section (204), the middle part of the front end face of the machine body (1) is fixedly connected with the base (201), the inner cavity of the base (201) is provided with the thread section (204), the inner cavity of the base (201) is in thread connection with the zooming ring (202), the fixed shell (203) is installed on the front end face of the zooming ring (202), and the inner cavity of the fixed shell (203) is provided with a lens (3).

3. The pentaprism device for a single lens reflex according to claim 2, characterized in that: protection component (4) comprise buckle (401), connecting band (402), protective cover (403), set casing (203) external surface mounting has buckle (401), connecting band (402) are installed to buckle (401) inner chamber, protective cover (403) are installed through the lug to connecting band (402) other end.

4. The pentaprism device for a single lens reflex camera according to claim 1, characterized in that: the dustproof cover (501) is installed on the outer side of the connector (5), and the dustproof cover (501) is made of rubber.

5. The pentaprism device for a single lens reflex camera according to claim 1, characterized in that: imaging element (8) comprises dead lever (801), reflector (802), fixture block (803), draw-in groove (804), focus screen (805), plate holder (806), settle chamber (807), elastic component (808), pentaprism (809), carry pull rod (8010), organism (1) inner chamber rear end face fixedly connected with dead lever (801), reflector (802) are installed to the dead lever (801) other end, reflector (802) and horizontal plane are forty-five degrees angle, organism (1) inner chamber front and back terminal surface just is located reflector (802) top and installs fixture block (803), fixture block (803) inboard has been seted up to fixture block (803), install in draw-in groove (804) and focus screen (805), organism (1) up end mid-mounting has plate holder (806), settle chamber (807) has been seted up to plate holder (806) both sides, settle chamber (807) and be equipped with elastic component (808) in, elastic component (808) inboard just is located and focuses screen (805) top and is equipped with pentaprism (809), plate holder (806) upper end face middle part fixedly connected with and carry pull rod (8010).

6. The pentaprism device for a single lens reflex camera according to claim 5, characterized in that: the limiting device (9) is composed of a rotating rod (901) and a limiting block (902), the rotating rod (901) is movably connected to the upper end of the machine body (1) and located on two sides of the plate clamp (806), and the limiting block (902) is fixedly connected to the upper end face of the rotating rod (901).