CN211014799U - Novel internal focusing telescope objective lens - Google Patents

Abstract

The utility model discloses a novel interior focusing telescope objective, including positive objective, the utility model discloses a single lens is placed the frame lower extreme and has been set up extrusion wiper mechanism, when single lens surface forms fog, make to clean the foam-rubber cushion and carry out the cleaning that relapses at single lens surface through the extrusion with unclamping the stripper bar, the fog with single lens surface is got rid of, the definition of single lens has been improved, thereby the imaging efficiency of telescope objective has been improved, place the inside sucking disc stabilizing mean that has set up of frame through single lens, can carry out quick dismantlement and fixed to single lens through sucking disc stabilizing mean, the steadiness ability to single lens has been improved through fixed sucking disc, the work load of dismantlement and installation has not only been reduced, and avoided single lens to drop and cause the condition of damage.

Description

Novel internal focusing telescope objective lens

Technical Field

The utility model relates to an optical lens field of being correlated with specifically is a novel interior focusing telescope objective.

Background

Traditional internal focusing telescope objective has front group positive objective and back group negative objective to constitute, wherein back group negative objective mainly is a double-cemented lens, the during operation, front group objective is fixed motionless, back group negative objective moves along the optical axis, changes optical system focus, can be that the object of far and near not expert forms images on a fixed image plane, for example traditional internal focusing telescope need not change its tube length when focusing, only need adjust the inside focusing lens of lens cone and can realize the formation of image.

In the working process of the existing objective lens, the single lens is positioned at the forefront of the objective lens, and the front surface of the single lens is easy to be subjected to moisture from the outside to be reformed into fog which is covered on the front surface of the single lens, so that the definition of the single lens is reduced, and the working efficiency of the objective lens is reduced; and single lens direct fixed mounting has caused the process of dismantling comparatively loaded down with trivial details on the objective housing, is difficult for single lens to dismantle, changes, has increased the work load of changing.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned insufficiency, the utility model provides a novel internal focusing telescope objective herein.

The utility model is realized in such a way, a novel inner focusing telescope objective is constructed, the device comprises an objective lens, a connecting cylinder and an extruding wiping mechanism, the objective lens is fixedly arranged at the upper end inside the objective lens placing frame, the single lens placing frame is arranged at the lower end of the connecting cylinder, the single lens placing frame is embedded inside the extruding wiping mechanism, the extruding wiping mechanism comprises an installation shell, an installation groove, a guide groove, an extrusion rod, a fixed polish rod, a spring, a moving rod, a wiping sponge pad and a guide rod, the middle end inside the installation shell is provided with the installation groove, the lower end of the single lens placing frame is embedded and arranged inside the installation groove, the guide groove is embedded at the front end of the installation shell, the extrusion rod is arranged inside the guide groove, the fixed polish rod is fixedly arranged inside the guide groove, the fixed polish rod runs through the extrusion rod by adopting clearance fit, the outer side of the extrusion rod is fixed, the fixed polished rod runs through inside the spring, the extrusion ram end is equipped with the carriage release lever, the carriage release lever is installed inside the installation shell, the carriage release lever upper surface with clean the foam-rubber cushion lower surface and closely laminate, clean the foam-rubber cushion and install inside the installation shell, guide bar fixed mounting is in the inside rear end of installation shell to the guide bar adopts clearance fit to run through inside the carriage release lever rear end.

Preferably, positive objective places frame lower extreme and connecting pipe upper end and fixes mutually, the connecting pipe lower extreme adopts clearance fit to install inside the adjustable ring, the inside and adjusting screw threaded connection of adjustable ring right-hand member, the adjustable ring lower extreme is equipped with the connecting cylinder, connecting cylinder internally mounted has biconcave lens, biconcave lens lower extreme is equipped with biconvex lens, single lens is placed frame internally mounted and is had single lens piece to single lens piece is located biconvex lens under, single lens piece is placed frame internally mounted and is had sucking disc stabilizing mechanism to inside and the laminating of single lens piece outer wall of sucking disc stabilizing mechanism.

Preferably, sucking disc stabilizing mean includes the collar, rotates screw rod, piston rod, pneumatic chamber, rolling ball, piston plate and fixed suction cup, collar fixed mounting is inside single lens places the frame, it runs through in collar inside and threaded connection to rotate the screw rod, it is fixed mutually with the piston rod head end to rotate the screw rod end, the piston rod adopts clearance fit to install inside the pneumatic chamber right-hand member, the piston rod end is equipped with the rolling ball, the piston rod passes through the rolling ball and is connected with the piston plate transmission to the piston plate adopts movable nested inside the pneumatic chamber, the pneumatic chamber right-hand member is equipped with fixed suction cup and link up mutually.

Preferably, the two extrusion rods are arranged, are of cylindrical structures, and are symmetrically arranged inside the guide groove.

Preferably, the number of the moving rods is two, and the moving rods are respectively fixed with the two extrusion rods.

Preferably, the number of the wiping sponge pads is two, and the upper surface of each wiping sponge pad and the lower surface of each single lens are located on the same horizontal line.

Preferably, the number of the sucker stabilizing mechanisms is four, and the sucker stabilizing mechanisms are respectively arranged on four positions inside the single lens placing frame.

Preferably, a hemispherical groove is formed at the joint of the piston plate and the rotating ball, and the diameter of the groove is matched with that of the rotating ball.

Preferably, the fixed suction cup is positioned on the inner wall of the mounting ring, and the four mounting rings form a circular ring, and the inner diameter of the circular ring is matched with the diameter of the single lens.

Preferably, the extrusion rod is made of No. 45 steel.

Preferably, the fixed sucker is made of polyurethane.

The utility model has the advantages of as follows: the utility model discloses an improve and provide a novel interior focusing telescope objective here, compare with the equipment of the same type, have following improvement:

the method has the advantages that: according to the novel inner focusing telescope objective, the extrusion wiping mechanism is arranged at the lower end of the single lens placing frame, when fog is formed on the outer surface of the single lens, the extrusion rod is extruded and loosened to enable the wiping sponge pad to wipe the outer surface of the single lens repeatedly, the fog on the outer surface of the single lens is removed, the definition of the single lens is improved, and therefore the imaging efficiency of the telescope objective is improved.

The method has the advantages that: according to the novel inner focusing telescope objective, the sucker stabilizing mechanism is arranged in the single lens placing frame, the single lens can be rapidly disassembled and fixed through the sucker stabilizing mechanism, the stability of the single lens is improved through the fixed sucker, the disassembling and installing workload is reduced, and the condition that the single lens is damaged due to falling off is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the telescope objective lens according to the present invention;

FIG. 3 is a schematic perspective view of the squeezing and wiping mechanism of the present invention;

FIG. 4 is a schematic top view of the squeezing and wiping mechanism of the present invention;

FIG. 5 is a schematic view of the top view of the inner structure of the sucker securing mechanism of the present invention;

fig. 6 is a schematic diagram of a local enlarged structure at a position a of the sucker stabilizing mechanism of the present invention.

Wherein: the device comprises a positive objective lens-1, a positive objective lens placing frame-2, a connecting pipe-3, an adjusting ring-4, an adjusting screw-5, a connecting cylinder-6, a single lens placing frame-7, a biconcave lens-8, a biconvex lens-9, a single lens-10, an extrusion wiping mechanism-11, a sucker stabilizing mechanism-12, a mounting shell-111, a mounting groove-112, a guide groove-113, an extrusion rod-114, a fixed polish rod-115, a spring-116, a moving rod-117, a wiping sponge pad-118, a guide rod-119, a mounting ring-121, a rotating screw-122, a piston rod-123, an air pressure chamber-124, a rotating ball-125, a piston plate-126 and a fixed sucker-127.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a novel internal focusing telescope objective lens through the improvement, including positive objective lens 1, connecting cylinder 6 and extrusion wiping mechanism 11, positive objective lens 1 is fixedly installed at the inside upper end of positive objective lens placing frame 2, single lens placing frame 7 is installed at the lower end of connecting cylinder 6, single lens placing frame 7 is embedded inside extrusion wiping mechanism 11, extrusion wiping mechanism 11 includes installation shell 111, mounting groove 112, guide way 113, extrusion stem 114, fixed polish rod 115, spring 116, movable rod 117, wiping sponge pad 118 and guide rod 119, installation shell 111 is provided with mounting groove 112 at the inside middle end, single lens placing frame 7 is embedded and installed inside mounting groove 112 at the lower end, the effect of fixing single lens placing frame 7 inside installation shell 111 is convenient, guide way 113 is embedded at the front end of installation shell 111, extrusion stem 114 is installed inside guide way 113, extrusion stem 114 is convenient for extrusion stem 113 to extrude, fixed polish rod 115 is installed to the inside fixed mounting of guide way 113, and fixed polish rod 115 adopts clearance fit to run through inside extrusion stem 114, be convenient for extrusion stem 114 carry out the extruded effect of smooth movement on fixed polish rod 115, the extrusion stem 114 outside is fixed with the spring 116 left end, be convenient for extrusion stem 114 carry out automatic re-setting's effect, fixed polish rod 115 runs through inside spring 116, extrusion stem 114 end is equipped with carriage release lever 117, carriage release lever 117 installs inside installation shell 111, carriage release lever 117 upper surface closely laminates with clean foam-rubber cushion 118 lower surface, clean foam-rubber cushion 118 and install inside installation shell 111, guide bar 119 fixed mounting is in the inside rear end of installation shell 111, and guide bar 119 adopts clearance fit to run through inside the rear end of carriage release lever 117, do benefit to play the effect that carriage release lever 117 carries out smooth movement on guide bar 119.

Further, positive objective places frame 2 lower extreme and 3 upper ends of connecting pipe and fixes mutually, 3 lower extremes of connecting pipe adopt clearance fit to install inside adjustable ring 4, inside and 5 threaded connection of adjusting screw 5 of adjustable ring 4 right-hand member, adjustable ring 4 lower extreme is equipped with connecting cylinder 6, 6 internally mounted of connecting cylinder have biconcave lens 8, 8 lower extremes of biconcave lens are equipped with biconvex lens 9, 7 internally mounted of frame are placed to single lens have single lens piece 10 to single lens piece 10 is located biconvex lens 9 under, 7 internally mounted of frame are placed to single lens piece has sucking disc stabilizing mechanism 12 to sucking disc stabilizing mechanism 12 is inside to laminate mutually with single lens piece 10 outer wall.

Further, the suction cup fixing mechanism 12 includes a mounting ring 121, a rotating screw 122, a piston rod 123, an air pressure chamber 124, a rotating ball 125, a piston plate 126 and a fixing suction cup 127, the mounting ring 121 is fixedly mounted inside the single lens placing frame 7, the rotating screw 122 penetrates through the mounting ring 121 and is in threaded connection, so that the rotating screw 122 performs a rotating propelling action inside the mounting ring 121, the end of the rotating screw 122 is fixed to the head end of the piston rod 123, the piston rod 123 is mounted inside the right end of the air pressure chamber 124 in a clearance fit manner, the end of the piston rod 123 is provided with the rotating ball 125, the piston rod 123 is in transmission connection with the piston plate 126 through the rotating ball 125, the piston plate 126 is movably nested inside the air pressure chamber 124, so that the piston plate 126 performs a piston motion inside the air pressure chamber 124, the right end of the air pressure chamber 124 is provided with the fixing suction cup 127, the function of pumping out the gas inside the fixed suction cup 127 is facilitated.

Further, the two extrusion rods 114 are arranged, are of a cylindrical structure, and are symmetrically installed inside the guide groove 113, so that the reverse extrusion effect through the two extrusion rods 114 is facilitated.

Furthermore, the two moving rods 117 are respectively fixed to the two squeezing rods 114, so as to facilitate the reverse movement of the two moving rods 117 to drive the wiping sponge pad 118 to wipe.

Furthermore, the number of the wiping sponge pads 118 is two, and the upper surfaces of the wiping sponge pads 118 and the lower surface of the single lens 10 are located on the same horizontal line, so that the effect of better removing the fog on the outer surface of the single lens 10 by wiping the sponge pads 118 is facilitated.

Furthermore, the sucking disc stabilizing mechanisms 12 are four in number and are respectively installed in four positions inside the single-lens placing frame 7, so that the better effect of tightly fixing the single lens 10 in the four positions is achieved.

Furthermore, a hemispherical groove is formed at the joint of the piston plate 126 and the rotating ball 125, and the diameter of the groove is matched with the diameter of the rotating ball 125, so that the effect of enabling the piston plate 126 to move smoothly inside the air pressure chamber 124 to perform piston motion through the rotational movement of the piston rod 123 is facilitated.

Further, the fixed suction cup 127 is located on the inner wall of the mounting ring 121, the four mounting rings 121 form a circular ring, and the inner diameter of the circular ring is matched with the diameter of the single lens 10, so that the effect that the fixed suction cup 127 can better closely adsorb the outer wall of the single lens 10 is facilitated.

Further, the extrusion stem 114 is made of 45-gauge steel, which has the advantage of high strength.

Furthermore, the fixing suction cup 127 is made of polyurethane, and has the advantage of excellent wear resistance.

The utility model provides a novel inner focusing telescope objective lens through improvement, and the working principle is as follows;

firstly, before use, a telescopic objective lens is horizontally placed, and a positive objective lens 1 is aligned with eyes of an observer;

secondly, the positive objective lens 1, the central axes of the double-concave lens 8, the double-convex lens 9 and the single lens 10 are on the same optical axis, optical gaps exist among the double-concave lens 8, the double-convex lens 9 and the single lens 10, phase difference can be effectively corrected, a focusing blind area is reduced, and objects at different positions of distance and distance can be imaged on a fixed imaginary plane through the back and forth movement of the double-concave lens 8, the double-convex lens 9 and the single lens 10;

thirdly, in the imaging process, a layer of fog is formed on the outer surface of the single lens 10 due to the fact that external moisture is heavy, at this time, only the extrusion rods 114 need to be simultaneously found and extruded, so that the two extrusion rods 114 stably and reversely move on the fixed polished rod 115, at this time, the extrusion rods 114 drive the moving rod 117 to move, so that the wiping sponge pad 118 wipes the outer surface of the single lens 10, the spring 116 elastically contracts and elastically resets through repeatedly extruding and loosening the extrusion rods 114, so that the wiping sponge pad 118 wipes the single lens 10 repeatedly, the definition of the single lens 10 is improved, the position of the wiping sponge pad 118 after resetting cannot block the single lens 10, and the imaging efficiency of the telescopic objective lens is improved;

fourthly, when the single lens 10 needs to be replaced, only the rotating screw 122 needs to be rotated, so that the rotating screw 122 rotates and advances in the mounting ring 121, and simultaneously the piston rod 123 is driven to rotate and advance, at this time, the piston plate 126 performs piston motion in the air pressure chamber 124 under the action of the rotating ball 125, the air pressure in the fixed suction cup 127 is changed, the fixed suction cup 127 is separated from the outside of the single lens 10, and then the single lens 10 is detached; on the contrary, the piston plate 126 of the fixed sucker 127 extrudes the air pressure in the air pressure chamber 124, so that the inside of the fixed sucker 127 is in a vacuum state, and the fixed sucker 127 firmly adsorbs and fixes the single lens 10, thereby reducing the workload of disassembly and assembly and avoiding the damage caused by the falling of the single lens.

The utility model provides a novel internal focusing telescope objective lens through improvement, in the imaging process, because the moisture outside is heavy, the outer surface of the single lens 10 forms a layer of fog, at this time, only the extrusion rods 114 need to be found simultaneously, so that the two extrusion rods 114 can stably and reversely move on the fixed polished rod 115, at this time, the extrusion rods 114 drive the movable rod 117 to move, so that the wiping sponge pad 118 wipes the outer surface of the single lens 10, the spring 116 can elastically contract and elastically reset through repeatedly extruding and loosening the extrusion rods 114, so that the wiping sponge pad 118 repeatedly wipes the single lens 10, the definition of the single lens 10 is improved, and the position of the wiping sponge pad 118 after resetting can not block the single lens 10, thereby the imaging efficiency of the telescope objective lens is improved, when the single lens 10 needs to be replaced, only the rotating screw 122 needs to be rotated, so that the rotating screw 122 rotates and advances in the mounting ring 121, and simultaneously, the piston rod 123 is driven to rotate and advance, at this time, the piston plate 126 performs piston motion in the air pressure chamber 124 through the action of the rotating ball 125, the air pressure in the fixed suction cup 127 is changed, so that the fixed suction cup 127 is separated from the exterior of the single lens 10, and then the single lens 10 is detached; on the contrary, the piston plate 126 of the fixed sucker 127 extrudes the air pressure in the air pressure chamber 124, so that the inside of the fixed sucker 127 is in a vacuum state, and the fixed sucker 127 firmly adsorbs and fixes the single lens 10, thereby reducing the workload of disassembly and assembly and avoiding the damage caused by the falling of the single lens.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A novel inner focusing telescope objective comprises a positive objective (1) and a connecting cylinder (6), wherein the positive objective (1) is fixedly arranged at the upper end inside a positive objective placing frame (2), and a single lens placing frame (7) is arranged at the lower end of the connecting cylinder (6);

the method is characterized in that: still include extrusion wiping mechanism (11), the frame (7) is placed to the inside single lens that has inlayed of extrusion wiping mechanism (11), extrusion wiping mechanism (11) is including installation shell (111), mounting groove (112), guide way (113), extrusion stem (114), fixed polished rod (115), spring (116), carriage release lever (117), wipe foam-rubber cushion (118) and guide bar (119), installation shell (111) inside middle-end is equipped with mounting groove (112), single lens is placed frame (7) lower extreme embedding and is installed inside mounting groove (112), guide way (113) are inlayed at installation shell (111) front end, guide way (113) internally mounted has extrusion stem (114), guide way (113) internal fixed mounting has fixed polished rod (115) to fixed polished rod (115) adopt clearance fit to run through inside extrusion stem (114), the extrusion stem (114) outside is fixed with spring (116) left end, fixed polished rod (115) run through inside spring (116), extrusion stem (114) end is equipped with carriage release lever (117), inside installation shell (111) is installed in carriage release lever (117), carriage release lever (117) upper surface with clean foam-rubber cushion (118) lower surface and closely laminate, clean foam-rubber cushion (118) and install inside installation shell (111), guide bar (119) fixed mounting is in the inside rear end of installation shell (111) to guide bar (119) adopt clearance fit to run through inside carriage release lever (117) rear end.

2. The novel internally focusing telescopic objective lens of claim 1, wherein: positive objective places frame (2) lower extreme and connecting pipe (3) upper end and fixes mutually, connecting pipe (3) lower extreme adopts clearance fit to install inside adjustable ring (4), inside and adjusting screw (5) threaded connection of adjustable ring (4) right-hand member, adjustable ring (4) lower extreme is equipped with connecting cylinder (6), connecting cylinder (6) internally mounted has biconcave lens (8), biconcave lens (8) lower extreme is equipped with biconvex lens (9), frame (7) internally mounted is placed to the single lens piece has single lens piece (10) to single lens piece (10) are located biconvex lens (9) under, the single lens piece is placed frame (7) internally mounted and is had sucking disc stabilizing mean (12) to sucking disc stabilizing mean (12) is inside to laminate mutually with single lens piece (10) outer wall.

3. The novel internally focusing telescopic objective lens of claim 2, wherein: the sucker stabilizing mechanism (12) comprises a mounting ring (121), a rotating screw (122), a piston rod (123), an air pressure chamber (124), a rotating ball (125), a piston plate (126) and a fixed sucker (127), the mounting ring (121) is fixedly mounted inside the single lens placing frame (7), the rotating screw (122) penetrates through the mounting ring (121) and is in threaded connection, the tail end of the rotating screw rod (122) is fixed with the head end of a piston rod (123), the piston rod (123) is arranged in the right end of the air pressure chamber (124) in a clearance fit manner, the tail end of the piston rod (123) is provided with a rotating ball (125), the piston rod (123) is in transmission connection with the piston plate (126) through the rotating ball (125), and the piston plate (126) is movably nested in the air pressure chamber (124), and the right end of the air pressure chamber (124) is provided with a fixed sucker (127) and communicated with the fixed sucker.

4. The novel internally focusing telescopic objective lens of claim 1, wherein: the two extrusion rods (114) are arranged and are in cylindrical structures, and are symmetrically arranged in the guide groove (113) in the left-right direction.

5. The novel internally focusing telescopic objective lens of claim 1, wherein: two moving rods (117) are arranged and are respectively fixed with the two extrusion rods (114).

6. The novel internally focusing telescopic objective lens of claim 1, wherein: the two wiping sponge pads (118) are arranged, and the upper surfaces of the wiping sponge pads (118) and the lower surfaces of the single lenses (10) are located on the same horizontal line.

7. The novel internally focusing telescopic objective lens of claim 2, wherein: the sucking disc stabilizing mechanisms (12) are four in number and are respectively arranged on four directions inside the single lens placing frame (7).

8. A novel internally focusing telescopic objective lens according to claim 3, characterized in that: the joint of the piston plate (126) and the rotating ball (125) is provided with a hemispherical groove, and the diameter of the groove is matched with that of the rotating ball (125).

9. A novel internally focusing telescopic objective lens according to claim 3, characterized in that: the fixed suction cups (127) are positioned on the inner wall of the mounting ring (121), and the four mounting rings (121) form a circular ring, and the inner diameter of the circular ring is matched with the diameter of the single lens (10).

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