Box camera

Abstract

The utility model relates to the technical field of cameras, and provides a box camera, which comprises a box body and a detachable top cover arranged on the box body, a lens mounting hole is formed in the front end of the box body; a lens is mounted in the lens mounting hole; a view finding screen is movably and rotatably arranged in the box body; the face, facing the lens, of the view finding screen is detachably provided with photographic paper. And the rear end of the box body is provided with an observation window. Two parallel guide rods are arranged on the box body; a focusing plate is arranged on the guide rod in a sliding manner; an opening is formed in the middle of the focusing plate; and a view-finding screen is mounted on the opening of the focusing plate through a rotating assembly. A push rod is arranged on the focusing plate; the push rod extends out of the rear end of the box body, and scales are arranged on the push rod; a locking device is arranged on the push rod and located outside the box body. According to the utility model, 360-degree rotation of the view-finding screen can be realized, composition shooting at any angle can be realized, and the focusing operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to camera technical field especially relates to a box camera. BACKGROUND

[0002] Box camera is a kind of optical imaging device, its form is usually a closed box. The front end of box body is provided with a lens, and a focusing screen is arranged in the box.

[0003] However, the current box camera, focusing screen can only move back and forth, cannot rotate, cannot arbitrary angle composition shooting;Horizontal and vertical switching needs to replace horizontal or vertical focusing screen, and focusing is inconvenient;There is no calibration scale on the focusing device, and focusing is completely based on the experience of operator, and it needs a long time to focus every time the lens is replaced. After taking a photo, it needs to set up a darkroom to develop the photo, which is high in cost and time-consuming. UTILITY MODEL CONTENT

[0004] The utility model mainly solves the current box camera, focusing screen can only move back and forth, cannot rotate, cannot arbitrary angle composition shooting, and the technical problem of inconvenient focusing, and proposes a kind of box camera to realize 360 ° rotation of viewfinder screen, arbitrary angle composition shooting can be realized, and focusing operation is convenient.

[0005] The utility model provides a kind of box camera, comprising: box body and the detachable top cover being set on box body;

[0006] The front end of the box body is provided with a lens mounting hole;The lens mounting hole is provided with a lens;

[0007] The viewfinder screen is movably and rotatably arranged in the box body;The surface of the viewfinder screen towards the lens is detachably provided with a photographic paper;

[0008] The rear end of the box body is provided with an observation window.

[0009] Preferably, two parallel guide rods are arranged on the box body;

[0010] The focusing plate is slidably arranged on the guide rod;The focusing plate has an opening in the middle;And the opening of the focusing plate is provided with a viewfinder screen through a rotating assembly.

[0011] Preferably, a push rod is arranged on the focusing plate;The push rod extends from the rear end of the box body, and a scale is arranged on the push rod;

[0012] The push rod is provided with a locking device, and the locking device is located outside the box body.

[0013] Preferably, a photographic paper clamp is arranged on the viewfinder screen, and the photographic paper is detachably arranged on the viewfinder screen through the photographic paper clamp.

[0014] Preferably, the box body is detachably provided with a reagent tray and / or a photo paper tray; the reagent tray is provided with a plurality of reagent grooves, each of which is arranged to place a reagent for washing a photo.

[0015] Preferably, the bottom of the box body is provided with two grooves.

[0016] The flip-up component mounting rack is slidably arranged in the groove.

[0017] Preferably, a main operation port is formed on one side of the box body, and a light-shielding sleeve is mounted on the main operation port through a light-shielding sleeve mounting seat.

[0018] Preferably, a universal card seat is arranged on the detachable top cover.

[0019] Preferably, a focusing viewfinder is mounted on the universal card seat.

[0020] Preferably, a secondary operation port is formed on the detachable top cover, and a light-shielding sleeve is also mounted on the secondary operation port.

[0021] The box camera provided by the utility model has the following advantages compared with the prior art:

[0022] 1. The box body is movably and rotatably provided with a viewfinder screen, and through 360° rotation of the viewfinder screen, a photo can be taken at any angle, which is more beneficial to photographic creation. The photo paper clamp is also rotatable by 360°, and through 360° rotation of the viewfinder screen and the photo paper, horizontal and vertical shooting can be freely switched, which is convenient to use.

[0023] 2. A scale is arranged on the push rod, the position of the scale on the push rod is observed, and a user can replace lenses of different focal lengths at will, which is more convenient, faster and more efficient. The push rod is convenient to adjust, and the guide rod and the push rod are made of white rigid elements and metal bearings, so that the machine is more durable and stable.

[0024] 3. The box body is detachably provided with a reagent tray and / or a photo paper tray; the reagent tray is provided with a plurality of reagent grooves. Before shooting, a photo paper is taken from the photo paper tray and sent to the photo paper clamp through the gap below the focusing plate; after shooting, the photo paper can be taken down and sent to the reagent tray through the gap below the focusing plate for development. The process of shooting and developing a photo can be completed in the box camera, and a darkroom is not needed, so that the cost is saved.

[0025] 4. The bottom of the box body is provided with two grooves; the flip-up component mounting rack is slidably arranged in the groove, and through the slideable flip-up component mounting rack, the flip-up component mounting rack can be hidden when the flip-up component is not used.

[0026] 5. The detachable top cover is provided with a universal card seat, which is used as a multifunctional expansion accessory, and is convenient for users to externally connect focus viewfinders, flashlights, cameras, mobile phones and other expansion devices. The focus viewfinder is installed on the universal card seat, which is convenient for users to temporarily adjust the viewing range.

[0027] 6. The box camera is low in price and easy to use, and is convenient to popularize. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is the internal structure diagram of the box camera provided by the utility model;

[0029] Figure 2 is the front view cross-sectional view of the box camera provided by the utility model;

[0030] Figure 3 is the side view cross-sectional view of the box camera provided by the utility model;

[0031] Figure 4 is the bottom view of the box camera provided by the utility model.

[0032] Mark: 1, box body; 2, detachable top cover; 3, lens mounting hole; 4, view screen; 5, focusing plate; 6, photo paper card clamp; 7, push rod; 8, guide rod; 9, main operation port; 10, light-shielding sleeve mounting seat; 11, universal card seat; 12, focusing viewfinder; 13, locking device; 14, observation window; 15, rotating assembly; 16, flip part mounting rack; 17, observation window baffle. DETAILED DESCRIPTION

[0033] In order to make the technical problems solved by the utility model, the technical scheme adopted and the technical effects reached more clear, the utility model will be further described in detail in combination with the drawings and examples. It can be understood that the specific examples described herein are only used to explain the utility model, not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the parts related to the utility model are shown in the drawings, not all the contents.

[0034] As shown in Figures 1-4 The utility model embodiment provides a box camera, which comprises a box body 1 and a detachable top cover 2 arranged on the box body 1.

[0035] The box body 1 can adopt a wooden cube. The front end of the box body 1 is provided with a lens mounting hole 3; the lens mounting hole 3 is provided with a lens. Specifically, the box body 1 is provided with a fixed card seat below the lens mounting hole 3 and a slidable card seat above the lens mounting hole 3, the lens seat is supported by the fixed card seat, and the lens seat is locked and opened by the slidable card seat, so that the lens can be installed.

[0036] The rear end of the box 1 is provided with an observation window 14. A door type observation window shutter 17 is arranged on the observation window 14, and the observation window 14 can be opened and closed.

[0037] A view screen 4 is movably and rotatably arranged in the box 1. A photographic paper is detachably arranged on the surface of the view screen 4 facing the lens.

[0038] The movement and rotation of the view screen 4 are realized by the following manner: two parallel guide rods 8 are arranged on the box 1; a focusing plate 5 is slidably arranged on the guide rods 8; the focusing plate 5 has an opening in the middle to allow light to pass through; a push rod 7 is arranged on the focusing plate 5; the push rod 7 extends from the rear end of the box 1, and the push rod 7 is provided with a scale; a locking device 13 is arranged on the push rod 7, and the locking device 13 is located outside the box 1. The focusing plate 5 is used to adjust the focal length of the view screen 4; by pushing the push rod 7, the view screen 4 on the focusing plate 5 can be moved, and the guide rods 8 guide the movement. After the focus of the view screen 4 is adjusted, the push rod 7 is fixed by the locking device 13, and the position can be observed by the scale on the push rod 7, which is more convenient for the user to replace the lens with different focal lengths, and is more efficient. The focusing is realized by operating the push rod 7, and the focusing operation is convenient; the guide rods 8 and the push rod 7 are made of white rigid elements and metal bearings, which increase the durability and stability of the machine.

[0039] The view screen 4 is installed on the opening of the focusing plate 5 through a rotating assembly 15. The view screen 4 can be rotated by 360° through the rotating assembly 15. The rotating assembly 15 is, for example, a rolling bearing, which realizes the 360° rotation. Through the 360° rotation of the view screen 4, the photographing can be performed at any angle, which is more conducive to the creation of photography.

[0040] A photographic paper clamping device is arranged on the view screen 4, the view screen 4 is detachably provided with a photographic paper through the photographic paper clamping device 6, and the photographic paper is installed in front of the view screen 4 through the photographic paper clamping device 6. The photographic paper clamping device 6 is installed on the view screen 4 and can also be rotated by 360°. Through the 360° rotation of the view screen 4 and the photographic paper, the photographing can be freely switched between horizontal and vertical directions, which is convenient for use.

[0041] The bottom of the focusing plate 5 is not in contact with the inner bottom surface of the box 1, and has a gap.

[0042] A reagent tray and / or a photographic paper tray are detachably arranged in the box 1; the reagent tray has a plurality of reagent grooves, and each reagent groove is used to place a reagent for developing a photo in sequence. The reagent tray and the photographic paper tray are specifically located in the rear part of the box 1. Before photographing, a photographic paper is taken from the photographic paper tray and is sent to the photographic paper clamping device 6 through the gap below the focusing plate 5; after photographing, the photographic paper can be taken down and is sent to the reagent tray through the gap below the focusing plate 5 for development.

[0043] The box body 1 can be fixed on a tripod. Two grooves are left on the bottom of the box body 1; a copy component mounting rack 16 is slidably arranged in the grooves, and the copy component mounting rack 16 can be hidden when the copy component is not used; when the copy component is used, the copy component mounting rack 16 is slid out and locked.

[0044] A main operation port 9 is formed on one side of the box body 1, and a light-shielding sleeve is mounted on the main operation port 9 through a light-shielding sleeve mounting seat 10, so that the user's arm can be inserted into the light-shielding sleeve for corresponding operation.

[0045] A sub-operation port is formed on the detachable top cover 2, and a light-shielding sleeve is also mounted on the sub-operation port. The sub-operation port can be arranged on the detachable top cover 2 or not; if the sub-operation port is arranged, double-hand operation can be realized.

[0046] A universal card seat 11 is arranged on the detachable top cover 2, which is a multifunctional expansion accessory, and is convenient for the user to externally connect expansion devices such as a focusing viewfinder 12, a flash, a video camera and a mobile phone. The focusing viewfinder 12 is mounted on the universal card seat 11, which is convenient for the user to temporarily adjust the range of view.

[0047] The operation process of the box camera is as follows: the observation window 14 is opened, the position of the focusing plate 5 is adjusted by pushing the push rod 7, the user observes the image on the focusing plate 5 through the observation window 14, when the image on the focusing plate 5 is clear, the movement is stopped, and the push rod 7 is locked by the locking device 13; the user's arm is inserted into the light-shielding sleeve through the main operation port 9, a piece of photographic paper is taken and fixed on the photographic paper clamping 6; the lens shutter is pressed to expose the photographic paper; then the photographic paper is taken down, and the photographic paper is washed by reagents in the reagent tray in sequence.

[0048] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some or all of the technical features can be replaced equivalently, without changing the essence of the corresponding technical solutions out of the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A box camera characterized by, The utility model relates to a photographic box, comprising: a box body (1) and a detachable top cover (2) arranged on the box body (1); a lens mounting hole (3) is formed at the front end of the box body (1); a lens is mounted in the lens mounting hole (3); a viewfinder screen (4) is movably and rotatably arranged in the box body (1); a photographic paper is detachably arranged on the surface of the viewfinder screen (4) facing the lens; an observation window (14) is formed at the rear end of the box body (1).

2. The box camera of claim 1, wherein, two parallel guide rods (8) are arranged on the box body (1); a focusing plate (5) is slidably arranged on the guide rods (8); the focusing plate (5) has an opening in the middle; and the viewfinder screen (4) is mounted on the opening of the focusing plate (5) through a rotating assembly (15).

3. The box camera of claim 2, wherein, a push rod (7) is arranged on the focusing plate (5); the push rod (7) extends from the rear end of the box body (1), and the push rod (7) is provided with a scale; a locking device (13) is arranged on the push rod (7), and the locking device (13) is located outside the box body (1).

4. The box camera of claim 2, wherein, a photographic paper clamping device (6) is arranged on the viewfinder screen (4); the photographic paper is detachably arranged on the viewfinder screen (4) through the photographic paper clamping device (6).

5. The box camera of claim 1, wherein, a reagent tray and / or a photographic paper tray are detachably arranged in the box body (1); the reagent tray has a plurality of reagent grooves, and each reagent groove is used for placing a reagent for developing a photo.

6. The box camera of claim 1, wherein, two grooves are left at the bottom of the box body (1); a copy component mounting rack (16) is slidably arranged in the grooves.

7. The box camera of claim 1, wherein, a main operation port (9) is formed at one side of the box body (1); an opaque sleeve is mounted on the main operation port (9) through an opaque sleeve mounting seat (10).

8. The box camera of claim 1, wherein, a universal clamping seat (11) is arranged on the detachable top cover (2).

9. The box camera of claim 8, wherein, a focusing viewfinder (12) is mounted on the universal clamping seat (11).

10. The box camera of claim 1, wherein, a secondary operation port is formed on the detachable top cover (2); an opaque sleeve is also mounted on the secondary operation port.

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