CN2447809Y - Camera - Google Patents

Abstract

The utility model discloses a camera, which is mainly composed of a shutter, a machine body, a back cover, a film chamber and a film spooling mechanism. Since the utility model adopts the procedure of rewinding films before taking pictures, all the films return to a cassette after pictures are taken, and the procedure is identical to that of a disposable camera. Due to the adoption of a film rewind which has no film rewinding release button, the structure of the camera become simpler, and users can conveniently rewind films anytime and anywhere. The camera can not waste resource, can not cause environmental problems, and is suitable for various filming conditions and operational requirements.

Description

A kind of camera

The utility model belongs to field of camera, particularly relate to a kind of repeatedly, the camera simple in structure of a dual-purpose.

Muptiple-use camera is in the process of taking pictures, film is by pulling out by the width of cloth in the magazine, shooting finishes, the user must press the reviewing button release, makes eight gear wheels and coil throw off braking, the reviewing of just can reversing of its counter-rotating part, rotate the photo that rewind crank will take and all regain magazine this moment, take out magazine, but the ability load is taken pictures.Go round and begin again and repeatedly to use.Disposable camera claims to be with film camera again, as its name suggests, promptly installs film by manufacturer in the camera, and all film is exposed is placed on the sheet chamber, and the user has purchased camera, can take immediately.In the process of taking pictures, film is drawn in magazine by the width of cloth, and shooting finishes, and film all is sealed in magazine.Disposable camera is because simple in structure, external form can be done for a short time, easy to carry, but every camera only can be taken the picture number that is loaded in the camera, because disposable camera is when getting film, camera components is destroyed, and the user unconditionally loads again more simultaneously, therefore causes the wasting of resources and environmental issue, in addition, disposable camera has strict demand to sealing, anti-light leak.

The purpose of this utility model just provides and a kind ofly need not adopt the reviewing button release, the camera simple in structure of taking pictures after can first reviewing.

In order to achieve the above object, the camera that the utility model is simple in structure comprises shutter, body, bonnet, film room, winding mechanism.The space of admitting film room is arranged on the body, and film can be positioned in the film room, and bonnet is movably connected on the body; Shutter, winding mechanism are installed in the body, and shutter and winding mechanism are linked; Described shutter comprises shutter slide block, shutter location hook, shutter pushing block, shutter release button, the extension spring of winding up, brake block, brake block location hook, brake block spacer; Described winding mechanism comprises coil, rewind crank, quilling wheel, gear train; Rewind crank is installed in an end of coil, and the film perforation of film hangs on the protrusion tip of coil.Described gear train comprises eight gear wheels, pinion wheel, gear wheel, the driving lever that winds up, ratchet, the axle head of eight gear wheels is established a projection, the stage casing socket pinion wheel of eight bearing pins, the interlock that is meshing with each other of this pinion wheel and gear wheel, the center of this gear wheel is provided with a groove that has a ratchet, the ratchet ratchet of being located in this gear wheel interior with placing the gear wheel groove cooperates, and makes it have the function of unidirectional drive; The shrinkage pool of ratchet by being positioned at its center cooperates with projection on being located at the driving lever lower surface that winds up, drives the driving lever that winds up and rotates; The projection that is convexly set in the driving lever upper surface that winds up can fall into shutter the shutter slide block groove and promote the translation of shutter slide block.

Because the utility model adopts the program of taking pictures after the first reviewing, has clapped photo, film is all got back in the magazine, and its process is with disposable identical.The rewinder of no reviewing button release makes camera architecture more simple, the user can make things convenient for reviewing whenever and wherever possible, and the turn-up bonnet that cooperates with body seal, clap cartridge and can open bonnet load again, has repeatedly functions of use, therefore can make muptiple-use camera and use, also available carton package is sold as disposable camera.This camera can not wasted resource, can not cause environmental issue yet, is fit to various shooting conditions and request for utilization.

Below in conjunction with the drawings and specific embodiments the utility model is further described.

Fig. 1 is the axonometric drawing of the utility model camera simple in structure;

Fig. 2 is the exploded view of the winding mechanism of the utility model camera simple in structure;

Fig. 3 is the shutter exploded view of the utility model camera simple in structure.

As Fig. 1, Fig. 2, shown in Figure 3, the camera that the utility model is simple in structure comprises shutter 1, body 2, bonnet 3, film room 4, winding mechanism 5.The space of admitting film room 4 is arranged on the body 2, and film 9 can be positioned in this film room 4, and bonnet 3 is movably connected on the body 2; Shutter 1, winding mechanism 5 are installed in the body 2, and shutter 1 and winding mechanism 5 are linked.Described shutter 1 comprises shutter slide block 11, shutter location hook 12, shutter pushing block 13, shutter release button 14, the extension spring 15 of winding up, brake block 16, brake block location hook 17, brake block spacer 18.Described winding mechanism 5 comprises coil 51, rewind crank 52, quilling wheel 53, gear train 54; Rewind crank 52 is installed in an end of coil 51, and the film perforation of film 9 hangs on the protrusion tip of coil 51; Described gear train 54 comprises eight gear wheels 541, pinion wheel 542, gear wheel 543, the driving lever 544 that winds up, ratchet 545, the axle head of eight gear wheels 541 is established a projection 5411, the stage casing socket pinion wheel 542 of eight bearing pins 541, the interlock that is meshing with each other of this pinion wheel 542 and gear wheel 543, the center of this gear wheel 543 is provided with a groove 5432 that has a ratchet 5431, ratchet 5431 ratchet of being located in this gear wheel 543 545 interior with placing gear wheel 543 grooves 5432 cooperates, and makes it have the function of unidirectional drive; The shrinkage pool 5451 of ratchet 545 by being positioned at its center cooperates with projection 5441 on being located at driving lever 544 lower surfaces that wind up, drives the driving lever 544 that winds up and rotates; The projection 5442 that is convexly set in driving lever 544 upper surfaces that wind up can fall into shutter 1 shutter slide block 11 groove and promote 11 translations of shutter slide block.

Operating principle of the present utility model: the film perforation of film 9 is hung on the protrusion tip of coil 51, cover bonnet 3, rotate counterclockwise rewind crank 52, get final product reviewing (shown in figure one).During reviewing, because moving of film 9 holes will inevitably drive eight gear wheels 541 and rotate, rotate counterclockwise thereby drive counting scale, and reach counting in reverse, counting scale is got back to the S place behind the good sheet; In shooting process, the user can know and know also and can take several photo according to the counting scale numeral.Eight gear wheels 541 are during by a pair of gearing mesh counter motion, pinion wheel 542 drives gear wheel 543 and rotates, the ratchet 5431 of gear wheel 543 inboards and the ratchet 5431 relative slips of being fixed in the driving lever 544 that winds up, like this during reviewing, gear wheel 543 rotates, the driving lever 544 that winds up remains static, can not promote shutter slide block 11, shutter 1 also remains static, and therefore needn't need a reviewing button release that eight gear wheels 541 and shutter 1 mechanism are taken off and collude as traditional camera, as long as rewind crank 52 and coil 51 are connected together, just can make things convenient for reviewing, as seen this compact conformation is simple, and very reliable (shown in figure two).

When taking, quilling wheel 53 drives film 9 translations, moving eight gear wheels 541 of film 9 pore areas rotate, driving gear wheel 543 by coaxial pinion wheel 542 rotates, because ratchet 5431 and be fixed in unidirectional drive effect between the ratchet 545 of the driving lever 544 that winds up, the driving lever 544 that winds up rotates thereupon, the translation (shown in figure three) that the protrusion piece 5442 of its upper end is dropped into the groove of shutter slide block 711 and promoted shutter slide block 11, when licking a picture, the brake block location hook 17 that shutter location hook 12 is braked piece 16 catches on, brake block spacer 18 on the brake block withstands quilling wheel 53 simultaneously, make it roll film again, in addition, because the pulling of shutter slide block 11, the extension spring 15 of winding up is in the state of tightening.

When taking pictures, press shutter release button 14, shutter pushing block 13 down, shutter location hook 12 and brake block location hook 17 are thrown off, brake block spacer 18 is thrown off quilling wheel 53, because shutter location hook 12 and brake block location hook 17 are thrown off, under the pulling of the extension spring 15 of winding up, shutter slide block 11 back moves, the tip 161 that shutter pushing block 13 promotes blade 16, thus open shutter 1, behind shutter 1 standard-sized sheet, throw off at the tip 161 of shutter pushing block 13 and 1 blade 16, and blade 16 turns round, closes by blade extension spring (not shown), once takes and so far finish.Mechanism's reinstatement attitude, this moment, counting scale changeed lattice, again roll film again.

Claims (1)

1, a kind of camera simple in structure comprises shutter, body, bonnet, film room, winding mechanism; The space of admitting film room is arranged on the body, and film can be positioned in this film room, and bonnet is movably connected on the body; Shutter, winding mechanism are installed in the body, and shutter and winding mechanism are linked; Described shutter comprises shutter slide block, shutter location hook, shutter pushing block, shutter release button, the extension spring of winding up, brake block, brake block location hook, brake block spacer; Described winding mechanism comprises coil, rewind crank, quilling wheel, gear train; Rewind crank is installed in an end of coil, and the film perforation of film hangs on the protrusion tip of coil; It is characterized in that: described gear train comprises eight gear wheels, pinion wheel, gear wheel, the driving lever that winds up, ratchet, the axle head of eight gear wheels is established a projection, the stage casing socket pinion wheel of eight bearing pins, the interlock that is meshing with each other of this pinion wheel and gear wheel, the center of this gear wheel is provided with a groove that has a ratchet, the ratchet ratchet of being located in this gear wheel interior with placing the gear wheel groove cooperates, and makes it have the function of unidirectional drive; The shrinkage pool of ratchet by being positioned at its center cooperates with projection on being located at the driving lever lower surface that winds up, drives the driving lever that winds up and rotates; The projection that is convexly set in the driving lever upper surface that winds up can fall into shutter the shutter slide block groove and promote the translation of shutter slide block.

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