A kind of gun sight with novel focus adjusting mechanism
Technical field
The present invention relates to optical instrument technical field, especially relate to one rational in infrastructure, reduce volume, aim at the gun sight accurately with novel focus adjusting mechanism.
Background technology
White light gun sight aims at the target of different distance, and due to target far and near distance difference, imaging surface can depart from the second dividing plane place, and definition and pointing accuracy are observed in impact. Part gun sight can adopt focus adjusting mechanism, moves forward and backward the single or combined lens before image planes, and the image planes that the far and near difference of elimination target causes depart from. Existing gun sight focusing eyeglass is one of object lens, field lens, focusing lens, and these eyeglasses and focus adjusting mechanism are all positioned at gun sight middle front part, and the difference of focus adjusting mechanism position can affect the installation of gun sight on gun or the use of variety classes gun. And existing gun sight is all to adopt focusing knob structure, and focusing knob projection is on gun sight, and volume takes up room greatly greatly. Existing gun sight focusing lens in focusing process also can rotate in addition, and this has caused the problem of the aiming point skew of eccentricity of glasses lens substitution.
Summary of the invention
The present invention solves existing gun sight unreasonable structure, impact using and installing on different gun, and volume is large, the problem of aiming point skew, provides a kind of rational in infrastructure, reduces volume, aims at the gun sight accurately with novel focus adjusting mechanism.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of gun sight with novel focus adjusting mechanism, comprise mirror pipe, in mirror pipe, be provided with relay lens assembly, on described mirror pipe, coaxial sleeve has focusing ring, on focusing ring, be provided with the first guide pin, in mirror pipe, be provided with focusing drum, in focusing drum, be provided with mirror pipe fixes and lead lens barrel, relay lens assembly is arranged on leads in lens barrel, on the outer wall of focusing drum, be provided with lifting crank slot, described the first guide pin is embedded in lifting crank slot through front end after lens barrel, on focusing drum, be provided with the second guide pin, the second guide pin is connected with relay lens assembly through front end after leading lens barrel. the present invention adopts focusing ring to focus, and by focusing drum, the rotation of focusing ring is converted into moving horizontally of relay lens assembly, realizes the focusing object of different distance target. governor motion of the present invention is compared the focus adjusting mechanism structure advantages of simple more that adopts focusing knob, can meet different gun installations or different custom and use. focusing ring and mirror pipe are coaxially installed, and shape is close to lens barrel more, have reduced overall volume. in focusing process, focusing lens assembly does not rotate, and has eliminated the problem of the aiming point skew of eccentricity of glasses lens substitution.
As a kind of preferred version, on described mirror pipe, be provided with one section of swivelling chute corresponding with focusing ring along circumference, described the first guide pin is through swivelling chute. Focusing ring rotates along swivelling chute, and the length of swivelling chute defines the angle of focusing ring rotation.
As a kind of preferred version, described lifting crank slot is helical form. Focusing ring moves in a circle, and the motion of the first guide pin on lifting crank slot makes focusing drum carry out horizontal movement.
As a kind of preferred version, on described wall of leading lens barrel, be provided with vertically straight trough, described the second guide pin is through straight trough. The second guide pin moves horizontally by straight trough, and straight trough defines the move distance of leading lens barrel, has also limited the rotation of focusing relay lens assembly simultaneously.
As a kind of preferred version, described relay lens assembly comprises the first image rotation lenses cylinder and the second image rotation lenses cylinder, described the first image rotation lenses cylinder is fixed on leads lens barrel away from eyepiece one end, the second image rotation lenses cylinder is inserted in leads in lens barrel, and described the second guide pin front end is connected on the second image rotation lenses cylinder. The first image rotation lenses cylinder is fixed on leads lens barrel front end, and the second image rotation lenses cylinder can carry out horizontal movement along with the second guide pin, as focusing lens.
As a kind of preferred version, described the second image rotation lenses cylinder comprises the second cylindrical shell, in the second cylindrical shell, be fixed with the 3rd image rotation lenses, the 3rd image rotation lenses is negative power lens, described the second cylindrical shell is provided with circle first groove near one end outer wall of eyepiece, be provided with a circle first near eyepiece one end inwall and keep off edge at the described lens barrel of leading, at the second image rotation cylinder and lead lens barrel and be provided with the first spring between near eyepiece one end, first spring one end is enclosed within on the first groove, and the other end withstands on the first gear along upper. The first spring is for eliminating the end play of the second relay lens cylinder.
As a kind of preferred version, described the first image rotation lenses cylinder comprises the first cylindrical shell, in the first cylindrical shell, be fixed with the first image rotation lenses and the second image rotation lenses, described the first cylindrical shell has insert head near eyepiece one end, insert head outer wall is provided with a circle card edge, lead described that on one end inwall of lens barrel away from eyepiece, to be provided with a circle card recessed, insert head is inserted in leads in lens barrel, card along be entrapped in card recessed in. The first image rotation lenses cylinder is fixed on and is led lens barrel front end by interface arrangment.
As a kind of preferred version, described the first image rotation lenses and the second image rotation lenses are to be all affixed by convex lens and curved lenses the compound lens forming, and between the first image rotation lenses and the second image rotation lenses, become convex lens to be oppositely arranged.
As a kind of preferred version, described relay lens assembly comprises the first image rotation lenses cylinder, and the first image rotation lens barrel is inserted in leads in lens barrel, and described the second guide pin is connected with the first image rotation lenses cylinder. This programme adopts the first relay lens cylinder as focusing relay lens.
As a kind of preferred version, described the first image rotation lenses cylinder comprises the first cylindrical shell, in the first cylindrical shell, be fixed with the first image rotation lenses and and the second image rotation lenses, be inserted with stop sleeve at the first cylindrical shell away from eyepiece one end, be provided with a circle second at stop sleeve outer wall near end and keep off edge, be equipped with stopper in away from eyepiece one end leading lens barrel, stopper is provided with circle second groove on the outer wall of stop sleeve one end, between stop sleeve and stopper, be provided with the second spring, second spring one end withstands on the second gear along upper, the other end withstands in the second groove, described the first image rotation lenses and the second image rotation lenses are to be all affixed by convex lens and curved lenses the compound lens forming, between the first image rotation lenses and the second image rotation lenses, become convex lens to be oppositely arranged. this programme is for eliminating the end play of the second relay lens cylinder.
Therefore, advantage of the present invention is: governor motion is compared the focus adjusting mechanism structure advantages of simple more that adopts focusing knob, can meet different gun installations or different custom and use. Focusing ring and mirror pipe are coaxially installed, and shape is close to lens barrel more, have reduced overall volume. In focusing process, focusing lens assembly does not rotate, and has eliminated the problem of the aiming point skew of eccentricity of glasses lens substitution.
Brief description of the drawings
Accompanying drawing 1 is a kind of sectional structure schematic diagram of the present invention;
Accompanying drawing 2 is another kind of sectional structure schematic diagrames of the present invention;
Accompanying drawing 3 is a kind of structural representations of focusing drum in the present invention;
Accompanying drawing 4 is a kind of structural representations of leading lens barrel in the present invention;
Accompanying drawing 5 is the structure enlarged diagrams at A place in accompanying drawing 1;
Accompanying drawing 6 is the structure enlarged diagrams at B place in accompanying drawing 2.
1-mirror pipe 2-focusing drum 3-leads lens barrel 4-focusing ring 5-first guide pin 6-second guide pin 7-lifting crank slot 8-straight trough 9-first image rotation lenses cylinder 10-second image rotation lenses cylinder 11-first cylindrical shell 12-second cylindrical shell 13-the 3rd image rotation lenses 14-the first groove 15-first and keeps off along 16-first spring 17-first image rotation lenses 18-the second image rotation lenses 19-insert head 20-card and keep off second groove 26-the second spring along 24-stopper 25-along the recessed 22-stop sleeve of 21-card 23-second.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1:
A kind of gun sight with novel focus adjusting mechanism of the present embodiment, as shown in Figure 1 and Figure 5, comprise mirror pipe 1, in mirror pipe, be provided with relay lens assembly, on mirror pipe, coaxial sleeve has focusing ring 4, on focusing ring, be provided with the first guide pin 5, on lens barrel, be provided with one section of swivelling chute corresponding with focusing ring along circumference, described the first guide pin 5 is through swivelling chute.
In mirror pipe, be provided with focusing drum 2, be provided with mirror pipe fixes and lead lens barrel 3 in focusing drum, relay lens assembly is arranged on leads in lens barrel, as shown in Figure 3, is provided with lifting crank slot 7 on the outer wall of focusing drum, and lifting crank slot is helical form. After the first guide pin passes lens barrel by swivelling chute, front end is embedded in lifting crank slot, on focusing drum, be provided with the second guide pin 6, lead and on the wall of lens barrel, be provided with vertically straight trough 8, the second guide pins and be connected with relay lens assembly through the second guide pin front end after leading the straight trough of lens barrel.
Relay lens assembly comprises that the first image rotation lenses cylinder 9 and the second image rotation lenses cylinder 10, the first image rotation lenses cylinders are fixed on and leads lens barrel away from eyepiece one end, and the second image rotation lenses cylinder is inserted in leads in lens barrel, and the second guide pin 6 front ends are connected on the second image rotation lenses cylinder.
The second image rotation lenses cylinder 10 comprises the second cylindrical shell 12, in the second cylindrical shell, be fixed with the 3rd image rotation lenses 13, the 3rd image rotation lenses is negative power lens, the second cylindrical shell is provided with circle first groove 14 near one end outer wall of eyepiece, be provided with a circle first near eyepiece one end inwall and keep off along 15 leading lens barrel, at the second image rotation cylinder and lead lens barrel and be provided with first spring 16, the first spring one end between near eyepiece one end and be enclosed within on the first groove, the other end withstands on the first gear along upper.
The first image rotation lenses cylinder 9 comprises the first cylindrical shell 11, in the first cylindrical shell, be fixed with the first image rotation lenses 17 and the second image rotation lenses 18, the first cylindrical shell has insert head 19 near eyepiece one end, insert head outer wall is provided with a circle card along 20, on one end inwall of lens barrel away from eyepiece, be provided with a circle and block recessed 21 leading, insert head is inserted in leads in lens barrel, card along be entrapped in card recessed in. The first image rotation lenses and the second image rotation lenses are to be all affixed by convex lens and curved lenses the compound lens forming, and between the first image rotation lenses and the second image rotation lenses, become convex lens to be oppositely arranged.
When gun sight focusing, rotation focusing ring, the first guide pin on focusing ring rotates together, the first guide pin rotates, under the effect of lifting crank slot, be converted into seesawing of focusing drum, the second guide pin on focusing drum also seesaws, thereby drives the second second image rotation lenses cylinder of leading top connection to seesaw, and realizes focusing.
Embodiment 2:
The present embodiment has provided the second and has had the structure of the gun sight of novel focus adjusting mechanism, as shown in Figure 2 and Figure 6, comprise mirror pipe 1, in mirror pipe, be provided with relay lens assembly, on mirror pipe, coaxial sleeve has focusing ring 4, on focusing ring, be provided with the first guide pin 5, on lens barrel, be provided with one section of swivelling chute corresponding with focusing ring along circumference, described the first guide pin 5 is through swivelling chute.
In mirror pipe, be provided with focusing drum 2, be provided with mirror pipe fixes and lead lens barrel 3 in focusing drum, relay lens assembly is arranged on leads in lens barrel, as shown in Figure 3, is provided with lifting crank slot 7 on the outer wall of focusing drum, and lifting crank slot is helical form. After the first guide pin passes lens barrel by swivelling chute, front end is embedded in lifting crank slot, on focusing drum, be provided with the second guide pin 6, lead and on the wall of lens barrel, be provided with vertically straight trough 8, the second guide pins and be connected with relay lens assembly through the second guide pin front end after leading the straight trough of lens barrel.
In the present embodiment, relay lens assembly comprises that the first image rotation lenses cylinder 9, the first image rotation lens barrels are inserted in leads in lens barrel, and the second guide pin is connected with the first image rotation lenses cylinder. the first image rotation lenses cylinder comprises the first cylindrical shell 11, in the first cylindrical shell, be fixed with the first image rotation lenses 17 and and the second image rotation lenses 18, be inserted with stop sleeve 22 at the first cylindrical shell away from eyepiece one end, being provided with a circle second at stop sleeve outer wall near end keeps off along 23, be equipped with stopper 24 in away from eyepiece one end leading lens barrel 3, stopper is provided with circle second groove 25 on the outer wall of stop sleeve one end, between stop sleeve and stopper, be provided with the second spring 26, second spring one end withstands on the second gear along upper, the other end withstands in the second groove, described the first image rotation lenses 17 and the second image rotation lenses 18 are to be all affixed by convex lens and curved lenses the compound lens forming, between the first image rotation lenses and the second image rotation lenses, become convex lens to be oppositely arranged.
When gun sight focusing, rotation focusing ring, the first guide pin on focusing ring rotates together, the first guide pin rotates, under the effect of lifting crank slot, be converted into seesawing of focusing drum, the second guide pin on focusing drum also seesaws, thereby drives the second first image rotation lenses cylinder of leading top connection to seesaw, and realizes focusing.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit. Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although more used mirror pipe, focusing drum herein, lead lens barrel, the term such as focusing ring, the first guide pin, do not get rid of the possibility that uses other term. Use these terms to be only used to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.