A kind of mobile lens amplifierTechnical field
The present invention relates to a kind of hand mirror head amplifier.
Background technology
I have designed a kind of mobile lens amplifier, comprise view finder unit and light compensating apparatus, described view finder unit comprises dolly camera, is socketed in the lens barrel of described dolly camera outside, and what described light compensating apparatus comprised the lamp tube and was installed in led lamp, the circuit board of lamp tube inside, control led lamp pushes away rotary switch, electronics; The shape of circuit board and the shape of electronics adapt, be provided with the anodal conducting portion of columned electronics of outside protrusion in the center of circuit board, be provided with electronics negative pole conducting portion at the edge of circuit board, the anodal conducting portion of electronics and electronics negative pole conducting portion are positioned at the same one side of circuit board, adopt the quantity that can reduce the lead-in wire of light compensating apparatus inside in such a way; Light compensating apparatus also comprises the power turn-on that cooperates with a circuit board and electronics five metals lid, power turn-on equals the diameter of electronics with the internal diameter of five metals lid, arranges one at power turn-on with the center of five metals lid and is provided with screw hole at power turn-on with the center of five metals lid with the fixing spring of screw; The lamp tube comprises that an end is provided with the stack shell of opening and the lid of the described opening of sealing, be provided with external diameter less than described lid diameter and equal the annular projection of described barrel diameter at lid, inside outside at annular projection and opening is provided with rotation buckle and the rotation draw-in groove that cooperatively interacts, the lamp tube adopts the mode of rotation to open or seal, simple to operate, make things convenient for us to change the parts of electronics and inspection lamp tube inside; The shape of the annular projection on the lid and power turn-on adapt with the shape of five metals lid, are provided with a screw fixed orifice protruding upward in the centre of lid, spring and power turn-on are fixed on the inside of lid with screw with the five metals lid; The slightly larger in diameter of lid is provided with the antiskid groove that is interspersed in the diameter of stack shell at the edge of lid, makes things convenient for our tube that turns on the light, and is provided with the rotation arrow at the top of lid, conveniently operates according to arrow; Led lamp and pushing away on the another side that rotary switch is fixed on circuit board, and the stack shell of lamp tube is provided with the led lamp and pushes away rotary switch and dodges the hole.This scheme is for open.But we when needs use light compensating apparatus, need arrest light compensating apparatus with hand when using the mobile lens amplifier to assist mobile phone photograph, but take light compensating apparatus cumbersome with hand.
Summary of the invention
Technical matters to be solved by this invention provides a kind of mobile lens amplifier that can light compensating apparatus is effectively fixing.
The objective of the invention is to be achieved through the following technical solutions: a kind of mobile lens amplifier comprises view finder unit and light compensating apparatus; Described view finder unit comprises lens barrel, and described light compensating apparatus comprises the lamp tube; Described mobile lens amplifier also comprises a snap ring, the shape of described snap ring and described lens barrel adapts, described snap ring is provided with the snap ring fixed handle that has screw hole of two parallel downward extensions, described lamp tube is provided with the block structure of the downward extension that has screw hole that is used with described snap ring, and described light compensating apparatus is fixed on the described view finder unit with screw.
Preferably, the length of described snap ring fixed handle is less than the height of described snap ring, and described block structure is near the end of that end of described lamp tube assembling led lamp.Make things convenient for us so in use, regulate the break forth angle of light of light compensating apparatus.
Preferably, the thickness of described block structure equals the distance between described two snap ring fixed handles, and the length of described block structure equals described or less than the length of described snap ring fixed handle.Like this when we with screw fixedly the time, fixing is more fastening.
Preferably, the position of screw hole on described snap ring fixed handle on described two snap ring fixed handles is relative.After we were with the screw assembling, the force direction that is subjected to of screw was consistent, can not cause the distortion of screw hole like this.
Preferably, described snap ring is circular, and described snap ring is provided with a tree-shaped opening that runs through described snap ring, and described two snap ring fixed handles are separately positioned on the both sides of described tree-shaped opening; Interference fit between described snap ring and the described lens barrel, the internal diameter of described snap ring is less than or equal to the external diameter of described lens barrel.Because be interference fit between snap ring and the lens barrel, tree-shaped opening is set so, and we just have been fixed on snap ring on the lens barrel very easily.
Preferably, described snap ring is provided with the strip opening that extends to another snap ring fixed handle from a snap ring fixed handle, vertical mutually between described strip opening and the snap ring fixed handle, described strip A/F is less than the length of described snap ring fixed handle.We will break snap ring off with the fingers and thumb greatly when the socket snap ring is on lens barrel or lamp tube, at snap ring the strip opening are set, and can increase the deformation quantity of snap ring.
Preferably, the place arranges a reinforcement with described snap ring end parts parallel in the middle of described strip opening.Because the strip opening crosses whole snap ring, snap ring is just relatively more fragile like this, in the centre reinforcement is set, and can increase the intensity of snap ring.
Preferably,, described snap ring fixed handle one end is concordant with the end of described snap ring, and described screw hole is arranged on this end; The other end of described snap ring fixed handle does not extend to the end of described snap ring.We just are easy to differentiate the position of the screw hole of snap ring fixed handle like this.
Preferably, being provided with a location in the end that is not provided with screw hole of described snap ring fixed handle uses wave point, described block structure to be provided with corresponding spacing hole.The convenient like this screw of when assembling, installing.
Preferably, be provided with in the both sides of described block structure to recessed and extend to the hook-shaped stopper slot of other end end from described screw hole, described location is stuck in the turning of described hook-shaped stopper slot with wave point.So also can be at the fixing position of snap ring and block structure of when assembling, convenient installation screw.
The present invention, just can directly open and use when needs are used light compensating apparatus owing to light compensating apparatus is fixed on the lens barrel of the view finder unit on the mobile lens amplifier with screw, just need not hold light compensating apparatus with hand as before.
Description of drawings
Fig. 1 is the design sketch after the light compensating apparatus of the embodiment of the invention is fixed;
Fig. 2 is the snap ring structural representation of the embodiment of the invention;
Fig. 3 is the lamp barrel structure synoptic diagram of the embodiment of the invention.
Wherein: 1, mobile lens amplifier; 2, lens barrel; 3, snap ring; 31, snap ring fixed handle; 32, screw hole; 33, strip opening; 34 location wave points; 4, lamp tube; 41, block structure; 42, screw hole; 43, hook-shaped stopper slot.
Embodiment
A kind of mobile lens amplifier comprises view finder unit and light compensating apparatus; Described view finder unit comprises lens barrel, and described light compensating apparatus comprises the lamp tube; Described mobile lens amplifier also comprises a fixing snap ring, the shape of described snap ring and described lens barrel adapts, described snap ring is provided with the snap ring fixed handle that has screw hole of two parallel downward extensions, described lamp tube is provided with the block structure of the downward extension that has screw hole that is used with described snap ring, and described light compensating apparatus is fixed on the described view finder unit with screw.The present invention, just can directly open and use when needs are used light compensating apparatus owing to light compensating apparatus is fixed on the lens barrel of the view finder unit on the mobile lens amplifier with screw, just need not hold light compensating apparatus with hand as before.
The invention will be further described below in conjunction with accompanying drawing and preferred embodiment.
As shown in Figures 1 to 3, mobile lens amplifier 1, comprise view finder unit and the light compensating apparatus that is fixed on the described view finder unit, described view finder unit comprises dolly camera and is socketed in the outer camera lens 2 of described dolly camera and the light compensating apparatus that is fixed on the lens barrel 2 of described view finder unit, described light compensating apparatus comprises lamp tube 4, lamp tube 4 is provided with a block structure that hasscrew hole 42 41 of extending downwards, mobile lens amplifier 1 also comprises asnap ring 3,snap ring 3 is socketed on the lens barrel 2, andsnap ring 3 is provided with two extend and parallel snap ring fixedhandles 31 that havescrew hole 32 downwards, and light compensating apparatus is fixed on the view finder unit with screw.
Shown in Fig. 2 and 3,snap ring 3 totally be circular and snap ring and lens barrel between interference fit, the internal diameter ofsnap ring 3 equals the external diameter of lens barrel 2; Snapring 3 is provided with a tree-shaped opening 32 that runs through snap ring, snap ring fixedhandle 31 just is arranged on the both sides of vertical opening, and the thickness ofblock structure 41 equals two distance and the length ofblock structure 41 length of equaling snap ringfixed handle 31 between the snap ringfixed handle 31; The length of snap ringfixed handle 31 is less than the height ofsnap ring 3, one end of snap ringfixed handle 31 is concordant with the end ofsnap ring 3, the other end of snap ringfixed handle 31 does not extend to the end of the other end ofsnap ring 3, andscrew hole 32 is arranged on snap ringfixed handle 31 end concordant withsnap ring 3 ends; The length ofblock structure 41 equals the length of snap ringfixed handle 31, the position of thescrew hole 32 on two snap ringfixed handles 31 is relative, like this when we with screw fixedly the time, snap ring fixedhandle 31 is stressed to be balanced, the end that one end of screw hole is not set at snap ringfixed handle 31 is provided withlocation wave point 34, be provided with the hook-shaped stopper slot 43 that extends to other end end fromscrew hole 42 to recessed in the both sides ofblock structure 41, the location is stuck in the turning (spacing hole) of hook-shaped stopper slot 43 withwave point 34, the location being set withwave point 34, is that we regulate the break forth angle of light of light compensating apparatus for convenience.
Certainly the internal diameter ofsnap ring 3 also can be less than the external diameter of lens barrel 2, and the thickness ofblock structure 42 also can also can reach the effect of fastening fixedly light compensating apparatus less than the distance between two snap ring fixed handles 31.The length ofblock structure 41 also can be less than the length of snap ring fixedhandle 31.
Snapring 3 is provided with thestrip opening 33 that extends to another snap ringfixed handle 31 from a snap ringfixed handle 31, betweenstrip opening 33 and the snap ringfixed handle 31 mutually the width of vertical and strip opening 33 less than the length of snap ring fixed handle, we will be socketed insnap ring 3 outside of lens barrel 2 in the present embodiment, atsnap ring 3strip opening 33 is set, can increase the deformation quantity ofsnap ring 3, make things convenient for us to install.Because strip opening 33 crosseswhole snap ring 3,snap ring 3 is just relatively more fragile like this, and we arrange a reinforcement (not shown) that is parallel to each other with snap ring fixedhandle 31 in the centre of strip opening.
Snap ring 3 adopts the moulding of plastic cement integrated through injection molding in the present embodiment.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention does, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.