CN2935211Y - Camera - Google Patents

Abstract

A camera includes a base having four equal height columns. Inside the base a rotary focusing ring having a lens mount holding a lens is arranged; a photosensitive chip, a circuit board and a connector are arranged at the bottom of the base. The scapula plate of the focusing ring is designed to be a sphenoidal stepped surface in the utility, the bottom of the lens mount is a boss matching the sphenoidal stepped surface, the relative motion of the sphenoidal stepped surface to the boss is converted to be the vertical linear motion between the lens mount and the lens fixed on the lens mount to, so different focusing distance can be achieved to acquire different shoot mode. Reeds, which press the lens mount, are also arranged on the columns of the base. The modified structure is more precise, the focusing distance will not be affected by vibrations, so the focusing process is more accurate, and clear pictures can be more swiftly achieved.

Description

Camera

Technical field

The utility model relates to a kind of camera, a kind of specifically camera that is applicable to digital product.

Background technology

Develop rapidly along with science and technology, the raising day by day of living standards of the people, the family that has digital product is more and more, digital product comprises video camera, digital camera and mobile phone etc., especially mobile phone applies, because of its convenience of carrying and extremely people's the favor of immediate communication function, according to statistics, China has become and has had one of maximum country of cellphone subscriber in the world, these mobile phone patterns are various, function is various, except the most basic call function, also have and play games, record the note, various functions such as listen to the radio, and high-end mobile phone even also have the function of cell-phone camera, its mobile phone cam is mainly by optical lens, lens mount, sensitive chip and wiring board etc. are partly formed, optical lens links to each other with sensitive chip by lens mount, and keep certain image distance, sensitive chip is used to accept external optical signals, and light signal is transformed into electric signal picture signal is delivered in the cell phone mainboard controller by wiring board and the connector that is attached thereto, yet, though the mobile phone of this band camera has enriched the function of mobile phone, the needs of taking have been made things convenient for, when but the optical lens in its structure links to each other with sensitive chip by lens mount, adopting screw thread to add glue carries out fixedly connected, so the image distance in the back imaging system of dispatching from the factory has been fixed, only possesses a fixing depth of field in the use because of focusing, when having only within the scenery that is taken is in this field depth, just can obtain distinct image, and in a lot of commercial activitys, we need gather the image of distance element easily by mobile phone, as realize image acquisition of business card etc., at this moment have only the camera of a depth of field just can't adapt to the shooting needs of this occasion, the someone develops a kind of cell-phone camera head unit of adjustable focus for this reason, as China Patent No. is 200520070523.X " cell-phone camera focus control ", after stirring by the focusing ring that is exposed at mobile phone shell outside, the elastic zoom technology that realizes that drives varifocal mirror, though the mobile phone cam of this structure has had the function of manual focusing, but texture ratio is more coarse, focusing process trouble, obtaining clearly image must constantly adjust focusing ring and varifocal mirror, time-consuming effort again, and be subjected to vibration effect bigger when using, can't guarantee the distance between camera lens and the sensitive chip.

Summary of the invention

Goal of the invention of the present utility model all provides a kind of precise structure in the defective that overcomes prior art, capture is clear, the focusing position is accurate, use camera time saving and energy saving and that not influenced by external force vibration.

According to the foregoing invention purpose, embodiment of the present utility model is:

A kind of camera, it comprises base, be set with focusing ring in relative rotation in the base, lens mount is installed on the focusing ring, camera lens is installed on the lens mount and with it and is connected, the bottom surface of base is provided with sensitive chip, by base be connected with the wiring board that has connector sensitive chip is enclosed in, the omoplate face that it is characterized in that described focusing ring is the wedge step surface, the lens mount bottom is provided with the boss equipped mutually with the wedge step surface, the relative boss of wedge step surface slides and converts the rectilinear motion up and down of camera lens to, is provided with the spring leaf that is pressed on the lens mount simultaneously on the column of base.

Described base is square, and its end face is provided with the annular boss equipped mutually with focusing ring, and the contour extension that makes progress of the column on four angles of end face forms, and each column is provided with the fixing pin of ammunition feed reed, and the bottom surface of base also is provided with for the fixing pin of wiring board.

The periphery of described annular boss is evenly equipped with projection.

Compared with prior art, the utility model improves the structure of focusing ring and lens mount, the omoplate face of focusing ring is designed to the wedge step surface, to the boss that the lens mount bottom is provided with and it is equipped mutually that should the wedge step surface, the relative boss of wedge step surface slides and converts the rectilinear motion up and down of camera lens to, also be provided with the spring leaf that is pressed on the lens mount on the column of base, structure after the improvement is accurate more, the focusing position is more accurate, the distance of both having avoided being subjected to external force vibration and having influenced focusing can obtain picture rich in detail again easily and fast.

Description of drawings

Fig. 1 is the utility model decomposition texture synoptic diagram.

Embodiment

Embodiment is described in detail the utility model again below with reference to accompanying drawing.

As shown in Figure 1, camera, comprise that a periphery is square, the middle part is the base 2 of through hole, be arranged in the base, the focusing ring 4 that can rotate relative to base, the end face of described plinth is provided with annular boss 14, the middle part through-hole structure is beneficial to the reception of light signal, the periphery of annular boss is evenly equipped with six projections 13 that highly are lower than annular boss 14, its effect is when focusing ring 4 is fitted on the annular boss of base 2, by six projections 13 whole peripheral circumferential face is divided into six fritters, the faying face of so effective minimizing focusing ring 4 and annular boss 14 improves both assembly precisions, the precision-fit when guaranteeing operation.Extend upward four contour columns 3 on four angles of base 2 end faces respectively, column is provided with four pins 12, four columns are designed to arcwall face with the position that focusing ring 4 contacts, so that the rotation of focusing ring on base 2, the bottom surface of base is provided with by wiring board 16 and is enclosed in sensitive chip 1 in the bottom recesses, this sealing mode is, four angles of base end face are provided with four pins 15, four pin-and-holes on the wiring board are just equipped to be fixed on four pins, also be connected with connector 17 on the wiring board, by sensitive chip 1, wiring board 16 and connector 17 have just been finished the image receiving course of whole camera; Described focusing ring 4 is made up of at the handle 11 of dialling on ring texture next door a ring texture and disjunctor design, the bottom of ring texture is fitted on the annular boss 14 of base 2, and can rotate relative to base, the omoplate face at top is six uniform wedge step surfaces 5, the structure of this wedge step surface is the tongue and groove structure, there is difference in height in adjacent two grooves, dial 11 of handles and are exposed at outward between 2 liang of adjacent columns 3 of base, and the rotation that handle 11 just can be realized focusing ring is dialled in operation.

Lens mount 9 is installed on the focusing ring 4, camera lens 7 has been threaded on the lens mount, lens mount bottom is provided with six semicircle boss 6 that six wedge step surfaces 5 with focusing ring match, the wedge step surface is what to realize by rotating of focusing ring 4 relative to the slip rotation of semicircle boss, rotation by focusing ring just can drive lens mount 9 and camera lens 7 is realized rectilinear motion up and down, its mode of motion is, when stir focusing ring 4 dial handle 11 time, dialling the ring texture of handle drive focusing ring rotates, the angle of its rotation is generally ± and 20 °, be near base 2 leftmost columns 3 to dial handle, angle is+20 ° be example, this moment, the semicircle boss 6 of lens mount 9 bottoms was in the dark groove with regard to corresponding, camera is in normal apart from screening-mode, when stirring focusing ring to 0 °, this moment, the semicircle boss 6 of lens mount 9 bottoms was between dark groove and the shallow grooves, it is normal apart from screening-mode and microshot pattern that camera does not belong to, can't collect distinct image, stir focusing ring again to-20 °, this moment, the semicircle boss 6 of lens mount 9 bottoms was in the shallow grooves, lens mount and the distance that is fixed on camera lens 7 and sensitive chip 1 on the lens mount have been elongated, and camera just is in the microshot pattern.The rotating band index glass headstock 9 of focusing ring 4 and the rectilinear motion up and down of camera lens 7 all can be limited after motion puts in place, for example being in focusing ring between the two adjacent columns 3 dials handle 11 and is stirring when putting in place, column can stop group handle to be stirred forward again, can only reverse clawback, and shallow grooves in focusing ring wedge step surface 5 structures and dark groove the boss 6 of lens mount bottom enter put in place after, also can stop boss to continue again to move forward, this design makes when focusing ring 4 is focused more accurate, and operate time saving and energy saving.

The symmetria bilateralis of lens mount 9 is provided with square convex shoulder 10, its effect is to be fitted between the two adjacent columns 3 of base 2, when 9 motions of focusing ring 4 rotating band index glass headstocks, guarantee lens mount base rectilinear motion about in the of 2 relatively, avoid rotating, another effect of square convex shoulder 10 is for being located at spring leaf 8 on the base place of a spring force effect to be arranged, this spring leaf is square, there is a through hole that matches with camera lens 7 inside, the both sides design of symmetry have a pair of summary to recessed structure to form spring force, this spring force acts directly on the square convex shoulder 10 of lens mount 9, on four angles of spring leaf, also be provided with four pin-and-holes, on the just equipped pin 12 that is fixed on 2 four columns 3 of base, the spring leaf 8 of this design can not stop camera lens 7 to pass spring leaf, but can be when the relative bases 2 of lens mount 9 be made up and down rectilinear motion, give spring force of lens mount, effect by spring force makes lens mount 9 often can both be in stress under screening-mode and microshot pattern, the influence of external force factor to distance between camera lens 7 and the sensitive chip 1 such as effectively prevent to vibrate, simultaneously, cooperating between lens mount boss 6 and the focusing ring 4 wedge step surfaces 5 is more accurate, can not occur loosening phenomenon in the use.

The utility model not only can be applied to mobile phone, can also be applied to other digital products, as MP4 etc., its use is simple and convenient, only need stir focusing ring 4, realize rectilinear motion up and down by the rotating band index glass headstock 9 of focusing ring and the camera lens 7 that is fixed on the lens mount, just can obtain that focusing is accurate, clear picture normal apart from screening-mode and microshot pattern, normal field depth apart from screening-mode is 0.5 meter, the field depth of microshot pattern is 0.1 meter.

Claims (3)

1, a kind of camera, it comprises base (2), be set with focusing ring (4) in relative rotation in the base, lens mount (9) is installed on the focusing ring, camera lens (7) is installed on the lens mount and with it and is connected, the bottom surface of base (2) is provided with sensitive chip (1), by base be connected with the wiring board that has connector (17) (16) sensitive chip (1) is enclosed in, the omoplate face that it is characterized in that described focusing ring (4) is wedge step surface (5), lens mount (9) bottom is provided with the boss (6) equipped mutually with the wedge step surface, the relative boss (6) of wedge step surface (5) slides and converts the rectilinear motion up and down of camera lens (7) to, is provided with the spring leaf (8) that is pressed on the lens mount (9) simultaneously on the column (3) of base (2).

2, camera according to claim 1, it is characterized in that described base (2) is square, its end face is provided with the annular boss (14) equipped mutually with focusing ring (4), the contour extension that makes progress of column (3) on four angles of end face forms, each column is provided with the fixing pin (12) of ammunition feed reed (8), and the bottom surface of base also is provided with for the fixing pin (15) of wiring board (16).

3, camera according to claim 2 is characterized in that the periphery of described annular boss (14) is evenly equipped with projection (13).

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