CN1050201C - Binoculars - Google Patents

Abstract

To provide a diopter ring which is easily attached and detached and which is inexpensive in the diopter adjustment mechanism of binoculars.A notched groove 2a is made to pierce through the side surface of an eyepiece lens barrel 2 so as to form a frange part at one end part of the lens barrel 2 and an elastic projection 1a engaged with the groove 2a is integrally formed with the inner peripheral surface of the diopter adjustment ring 1. The projection 1a is elastically deformed by the frange part of the lens barrel 2 when the ring 1 is slid so as to cover the lens barrel 2. Then, when the projection 1a arrives at the groove 2a, it is elastically returned and engaged with the groove 2a.

Description

Binoculars

The present invention relates to have the binoculars of visibility aligning gear.

People's left and right sides eyeball, eyesight are different mostly.Binoculars have the visibility aligning gear in order to adjust the visibility difference that is caused because of left and right sides eyesight difference in the eyepiece part therein.Binoculars with visibility aligning gear in the past always are illustrated in Fig. 4.And the binoculars visibility aligning gear that utilizes this past is comprised its optical axis A * 2 sectional drawings of drawing at interior face be shown in Fig. 5.

The binoculars visibility aligning gear in this past has following ingredient:

Binoculars main body 103 has a circular open portion 106 on this main body, formed female helicoid 109 on its end as the eyepiece part; On the main body outer wall, be provided with a visibility benchmark 114 that parallels with optical axis A * 2;

Cylindrical shape eyepiece stalk 102.Formed with female helicoid 109 in the lower end of its side (with respect to paper) and to have carried out the public helicoid 110 that screw thread combines, formed by fitting portion 102b in the upper end of side simultaneously, one group of eyepiece 107 has been arranged in inside;

Annular visibility regulating ring 101.This ring has inner headed face and periphery, on inner headed face, formed can with by the fitting portion 101b of fitting portion 102b tabling; Be provided with visibility benchmark 115 on periphery, the installation portion that connects order rubber band 104 is formed at its top.

Form female helicoid 108 in the lens chamber bottom of eyepiece stalk 102 inside,, can combine, be used for fixing one group of eyepiece 107 with box thread 108 because of hold-down ring 112 has male thread 113.In addition, have many radially screw holes 111 on the visibility regulating ring 101 in inner headed face and periphery upper shed.

Narrate the binoculars visibility aligning gear assembly method in this past below.

From the inboard of binoculars main body 103 eyepiece stalk 102 is screwed in the circular open portion 106, its upper end is stretched from circular open portion 106.The female helicoid 109 that forms in the public helicoid 110 of eyepiece stalk 102 and the cylinder opening portion 106 of binoculars main body 103 combines, and eyepiece stalk 102 rotates and just moves along the direction parallel with optical axis A * 2.Utilize this function to regulate the poor of binoculars left and right sides eyepiece visibility partly, make it reach 0, after mixing up, visibility regulating ring 101 is fitted on the eyepiece stalk 102, and the visibility benchmark 115 that makes visibility regulating ring 101 and the visibility benchmark 114 of binoculars main body 103 are in line.

Visibility regulating ring 101 is different along with visibility adjusting result's difference with respect to the chimeric direction of eyepiece stalk 102.Because the shape of fitting portion 101b, 102b can guarantee to carry out on all directions chimeric, so the visibility benchmark 115 of the visibility benchmark 114 that can be fitted to binoculars main body 103 to visibility regulating ring 101 and visibility regulating ring 101 is on the position on the same straight line usually.Chimeric visibility regulating ring 101 and the eyepiece stalk 102 of making like this constitutes an integral body on the sense of rotation that with the optical axis is the center.

After the chimeric end, be screwed in the screw hole 111, the termination of fixed screw 105 is contacted with the side of eyepiece stalk 102, visibility regulating ring 101 is fixed on the eyepiece stalk 102 from the periphery steering handle fixed screw 105 of visibility regulating ring 101.

Install after the visibility regulating ring 101, refill and connect order rubber band 104, the assembly work of the binoculars visibility governor motion that so just is through with.

Moreover, the features of shape of the periphery of visibility regulating ring 101 is: consider that connecing the order part in use may be impacted, even when the amount of stretching out from circular open portion 106 at eyepiece stalk 102 reached maximum, regulating ring still can shelter from the side of eyepiece stalk 102.And eyepiece stalk 102 and visibility regulating ring 101 are designed to the part installed separately respectively, make can only change visibility regulating ring 101 when connecing order and partly sustain damage.

But the screw hole 111 on the visibility regulating ring 101 forms by back processing in manufacturing process.That is to say, after the operation that is processed to form visibility regulating ring 101 from starting material finishes, on visibility regulating ring 101, be processed to form screw hole 111 through a procedure again, could obtain the finished product of visibility regulating ring.But sometimes can not be fixed firmly to this visibility regulating ring 101 on the eyepiece stalk 102 with fixed screw 105.This be because, when the screw hole 111 that forms is failed periphery break-through from visibility regulating ring 101 during to inner headed face or when forming in the screw thread ditch that the foreign material that produce the operation of screw hole 111 enter into screw hole 111, do not arrive at as yet in the termination of gib screw 105 under the state of periphery of eyepiece stalk 102, gib screw 105 just twists not to have entered.In order with gib screw 105 visibility regulating ring 101 to be fixed firmly on the eyepiece stalk 102, the operation that forms screw hole 111 will be finished accurately thoroughly, and also needs operation that visibility regulating ring 101 is cleaned after processing.

So; visibility regulating ring 101; in order to be securely fixed in use on the eyepiece stalk 102; just must process by above-mentioned operation; and need independent part, promptly gib screw 105, although visibility regulating ring 101 has the protection part function of eyepiece stalk 102 concurrently; be the function of quick-wear part, but its cost is higher.

In addition, except that changing visibility regulating ring 101, when carrying out other maintenances, also dismantle visibility regulating ring 101 possibly, screw will be damaged mostly through the thread groove of the above-mentioned screw hole 111 in fastening repeatedly back twice or thrice, even visibility regulating ring 101 is injury-free, also must change visibility regulating ring 101.

The object of the present invention is to provide a kind of like this binoculars, its visibility regulating ring can save very bothersome back manufacturing procedure, and reduce number of spare parts, and can be fixed firmly on the periphery of eyepiece stalk, and installation and removal easily.

For achieving the above object, binoculars have following ingredient:

The eyepiece stalk of supporting eyepiece;

Support the binoculars main body of above-mentioned eyepiece stalk, it is protruding that its above-mentioned eyepiece stalk comprises an end of end face;

The visibility regulating ring on one side its installation method is to begin to slide along optical axis direction from above-mentioned end face, Yi Bian install on the outside of above-mentioned eyepiece stalk, hides the periphery of above-mentioned this end;

Above-mentioned visibility regulating ring is fixed to fixing means on the above-mentioned eyepiece stalk;

Aligning gear is rotated operation around optical axis to above-mentioned visibility regulating ring, and drive above-mentioned eyepiece stalk rotation with this, thereby this eyepiece stalk is moved along optical axis direction, be the recoverable visibility like this.

The said fixing device has the groove of the notch and projection, the groove of the notch, and its method to set up is to form jaw portion on the end sides of above-mentioned eyepiece stalk and between the above-mentioned end face; Projection forms an integral body with the inner headed face of above-mentioned visibility regulating ring, is subjected to the effect of above-mentioned jaw portion and is out of shape when carrying out above-mentioned slip, restores to the original state when finishing above-mentioned covering action, enters in the above-mentioned groove of the notch.By being fixed to above-mentioned visibility regulating ring on the above-mentioned eyepiece by optical axis direction of the above-mentioned groove of the notch and above-mentioned projection in conjunction with meeting.

The binoculars of Gou Chenging do not need as before the visibility regulating ring to be cleaned after forming screw hole as stated above, because production process shortens, add again, do not use gib screw, and number of spare parts is reduced, and just can reduce cost.And can more securely the visibility regulating ring be fixed on the eyepiece stalk when using gib screw.Moreover, do not use erecting tools such as screwdriver, and owing to be a part, so unload by installation and dismantling easily.More can not reduce the permanance of visibility regulating ring because of installation and demolition.

Brief description of drawings

Fig. 1 is the sectional drawing that utilizes the face that comprises optical axis A * 1 of visibility aligning gear embodiment of the present invention.

Fig. 2 be utilize visibility aligning gear embodiment A of the present invention-A face to looking sectional drawing.

Fig. 3 is the enlarged drawing of the major part of Fig. 1.

Fig. 4 is the overall drawing in side sectional elevation of binoculars in the past.

Fig. 5 is the sectional drawing of the face that comprises optical axis Λ * 2 of visibility aligning gear in the past.

Major part symbol description among the figure

1. visibility regulating ring, 2. eyepiece stalk, 3. the binoculars main body 4. connects the order elastic band, 6. circular open portion, 9. female helicoid, 10. public helicoid, 1a, projection, 1b, fitting portion, 1c, groove, 1d, leaf spring, 2a jaw portion, 2b is by fitting portion, A * 1, optical axis

The explanation of the concrete device that the best is selected for use

Followingly embodiments of the invention are described with reference to Fig. 1, Fig. 2, Fig. 3.Fig. 1 is the sectional drawing of the binoculars visibility governor motion of the embodiment of the invention along optical axis A * 1, Fig. 2 be Fig. 1 the A-A face to looking sectional drawing, Fig. 3 is the major part enlarged drawing of Fig. 1.

The visibility aligning gear of the binoculars of present embodiment has following ingredient:

Binoculars main body 3, its outer wall is provided with the visibility benchmark, and the one end has the circular open portion 6 that forms female helicoid 9,

Cylindrical shape eyepiece stalk 2, its lower end, side have formed with female helicoid 9 and have carried out the public helicoid 10 that spiral combines, and form by fitting portion 2b on the top of side simultaneously, and one group of eyepiece 7 of being fixed by hold-down ring 12 is arranged in inside.

Annular visibility regulating ring 1 is made of plastics, and has inner headed face and periphery, has formed fitting portion 1b on the inner headed face, can with eyepiece stalk 2 by fitting portion 2b tabling; The upper end of periphery has formed the installation portion that connects the order rubber band, and has the visibility reference mark, can hide the side of eyepiece stalk 2.

In addition, formed the leaf spring 1d that applies elastic force to the annular center direction on the top of the inner headed face of visibility regulating ring 1, this leaf spring 1d has the protruding 1a that direction is stretched out in annular, has formed groove 1c between leaf spring 1d and periphery.The top summary of projection 1a is perpendicular to optical axis A * 1; The downside of projection 1a forms the inclined-plane, downwards radially expansion gradually.Moreover, on the side of eyepiece stalk 2, the groove of the notch is set, form the jaw 2a of portion, constituted the carbine that combines with the protruding 1a of leaf spring 1d.Below the 2a of jaw portion, promptly open slot one side combines with the upside of protruding 1a slightly perpendicular to optical axis A * 1.

When the visibility governor motion to present embodiment assembled, eyepiece stalk 2 screwed in from the inboard of binoculars main body 3, and its upper end is stretched out from the circular open portion 6 of binoculars main body 3, can regulate visibility.

Then, determine chimeric direction, make the visibility benchmark of binoculars main body 3 and the visibility benchmark of visibility regulating ring 1 be positioned at one one straight line, when pushing visibility regulating ring 1, when making itself and eyepiece stalk 2 tablings, leaf spring 1d is just pushed and radially expands in the groove 1c by the 2a of jaw portion of eyepiece stalk 2.When protruding 1a surpassed the 2a of jaw portion, leaf spring 1d restored to the original state under elastic reaction, and the groove of the notch one side of protruding 1d and the 2a of jaw portion combines, and visibility regulating ring 1 is fixed in the direction parallel with optical axis A * 1 with eyepiece stalk 2.

Visibility regulating ring 1 is installed to connecing on the order rubber band installation portion of visibility regulating ring 1 with after combining of eyepiece stalk 2 finished connecing order rubber band 4, and the assembling of the binoculars visibility aligning gear of present embodiment promptly comes to an end.

In addition, as shown in Figure 1, leaf spring 1d, protruding 1a, groove 1c (totally 4 positions) are set on visibility corrector loop 1, and they all are positioned on the circumference and subtend mutually.(totally 4 positions) form the groove of the notch that has constituted the 2a of jaw portion on eyepiece stalk 2, and are corresponding with protruding 1a.

Present embodiment is provided with 4 protruding 1a on the circumference of visibility corrector loop 1; And on eyepiece stalk 2, be provided with 4 grooves of the notch, but also can be provided with 2 respectively.

In this case, protruding 1a is arranged on the circumference of visibility corrector loop 1 and subtend mutually, and the groove of the notch is also corresponding with protruding 1a, is provided with 2 and gets final product on eyepiece stalk 2.

According to present embodiment, when making visibility regulating ring 1 hide on the eyepiece stalk 2, aligned position, the outside of eyepiece stalk 2 is overlapped basically with the inner headed face of visibility regulating ring 1, push visibility regulating ring 1, it is slided on eyepiece stalk 2, so, the elastic bumps 1a that forms on the inner headed face of visibility regulating ring 1 produces elastic deformation under the effect of the 2a of jaw portion that forms on the end of eyepiece stalk 2.Then, when elastic bumps 1a is arranged on the groove of the notch on the eyepiece stalk 2 in arrival, recover elasticity again, enter in the groove of the notch, be combined with each other.By this combination, visibility regulating ring 1 is fixed on the eyepiece stalk 2 along optical axis direction.

Claims (2)

1. binoculars is characterized in that comprising:

The eyepiece stalk of supporting eyepiece;

The binoculars main body is used to support above-mentioned eyepiece stalk, and its end that comprises above-mentioned eyepiece stalk end face is protruding;

The visibility regulating ring, make its from above-mentioned end face when optical axis direction slides, can be installed to the outside of above-mentioned eyepiece stalk, and the periphery of an end of above-mentioned eyepiece stalk is hidden;

Stationary installation is used for above-mentioned visibility regulating ring is fixed to above-mentioned eyepiece stalk; And

The visibility aligning gear by above-mentioned visibility regulating ring being rotated operation around optical axis, driving above-mentioned eyepiece stalk rotation, thereby this eyepiece stalk is moved along optical axis direction, i.e. recoverable visibility,

The said fixing device comprises:

The groove of the notch, and form near the described groove of the notch by telescoping part, they are arranged on the above-mentioned end sides of above-mentioned eyepiece stalk, the described groove of the notch and above-mentioned end face between form jaw portion;

Projection and near the telescoping part that described bossing, forms, they form an integral body on the inner headed face of above-mentioned visibility regulating ring, when carrying out above-mentioned being slidingly installed, under the effect of above-mentioned jaw portion, produce distortion, when above-mentioned covering release, restore to the original state again, enter in the above-mentioned groove of the notch

Combination by the above-mentioned groove of the notch and above-mentioned projection simultaneously and described chimeric by telescoping part and described telescoping part, above-mentioned visibility regulating ring is fixed on the above-mentioned eyepiece stalk along optical axis direction.

2. in the binoculars of claim 1 narration, above-mentioned projection forms an integral body with the inner headed face top of above-mentioned visibility regulating ring under the elastic component effect, and above-mentioned elastic component produces elastic force, acts on the center position of above-mentioned visibility regulating ring.

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