CN213399015U

CN213399015U - Lens conversion device

Info

Publication number: CN213399015U
Application number: CN202022619273.8U
Authority: CN
Inventors: 史建军
Original assignee: JIANGSU ZONP TECHNOLOGY CO LTD
Current assignee: JIANGSU ZONP TECHNOLOGY CO LTD
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-06-08
Anticipated expiration: 2030-11-13

Abstract

The utility model relates to a lens conversion equipment is the device of installing the inside quick switch lens of optical equipment. Comprises a front lens, a front rotating piece, a poke rod, a front frame, a rear lens, a rear rotating piece and a rear frame; the rear frame is arranged at the rear side of the front frame, and the poke rod is arranged at the bottoms of the front frame and the rear frame; the front lens is arranged in a front lens sliding groove of the rear frame and is connected with the poke rod through the front rotating piece; the rear lens is arranged in a rear lens sliding groove of the rear frame and is connected with the poke rod through a rear rotating piece. The lens conversion device does not need to be disassembled and replaced, and the rapid conversion of the two lenses can be realized only by pushing the poke rod. The utility model provides a problem that optical equipment frequently changed different optical property lenses, will install inside optical equipment as the outside lens of changing the annex originally, avoid the lens annex to lose the damage risk, as long as promote the driving lever and can change the lens when needing to change optical property, promoted the simple operation nature effectively.

Description

Lens conversion device

Technical Field

The utility model relates to a lens conversion equipment is a but install the inside device of fast switch lens at optical equipment.

Background

In the optical field, some optical devices may need to convert the wavelength of the output light during use, and the conventional conversion method is to replace the optical filter with a different wavelength. In the prior art, lenses with different filtering performances are used as accessories of equipment, and when the wavelength of light needs to be converted, the original filtering lens (lens) is removed, and then another filtering lens (lens) with different wavelength parameters is mounted. The method for replacing the lens (lens) can solve the requirement of changing the light wavelength in use, and can meet the requirement of obtaining different wavelengths by being provided with a plurality of lenses (lenses). However, in the case of frequently switching two light wavelengths, the filter lens (lens) is repeatedly attached and detached, which causes the disadvantages of troublesome operation and easy damage and loss of the lens (lens).

Disclosure of Invention

The utility model aims at the weak point of above-mentioned prior art provides a lens conversion equipment, but is the device of installing the inside quick switch lens of optical equipment, can improve the convenience of using, need not to dismantle and changes the lens, as long as promote the poker rod and just can realize the quick switch of 2 kinds of lenses.

The utility model provides a problem that optical equipment frequently changed different optical property lenses, will install inside optical equipment as the outside lens of changing the annex originally, can avoid the lens annex to lose the risk of damage, as long as promote the driving lever and can change the lens when needing to change optical property, promoted the simple operation nature effectively.

The utility model discloses the technical scheme that lens conversion equipment adopted to solve above-mentioned technical problem does:

the lens conversion device comprises a front lens, a front rotating piece, a poke rod, a front frame, a rear lens, a rear rotating piece and a rear frame.

The rear frame is arranged at the rear side of the front frame, and the poke rod is arranged at the bottoms of the front frame and the rear frame (after the front frame and the rear frame are folded); the front lens is arranged in a front lens sliding groove of the rear frame, the front lens can only vertically move up and down in the front lens sliding groove after being stressed, and the front lens is connected with the poke rod through the front rotating piece; the rear lens is arranged in a rear lens sliding groove of the rear frame, the rear lens can only vertically move up and down in the rear lens sliding groove after being stressed, and the rear lens is connected with the poke rod through a rear rotating piece.

The rear frame is arranged at the rear side of the front frame, and the front frame is provided with a front frame through hole which is a working light-transmitting position of the front lens or the rear lens. The two sides of the rear frame are respectively provided with a front lens sliding groove and a rear lens sliding groove, the upper part of the front lens sliding groove is a front lens working position, and the upper part of the rear lens sliding groove is a rear lens working position.

The poke rod is arranged at the bottom of the front frame and the bottom of the rear frame (after the front frame and the rear frame are folded), a poke rod positioning pin is arranged at the bottom of the front frame, and a positioning sliding groove of the poke rod is sleeved on the poke rod positioning pin of the front frame, so that the poke rod is limited to move in a short distance in the horizontal direction. The poke rod is provided with a front poke groove, and a front poke piece stress pin of the front poke piece is arranged in the front poke groove of the poke rod and transmits the action of the poke rod to the front poke piece. The bottom of the front frame is provided with a front shaft hole, the front rotating member shaft is assembled in the front shaft hole, and the front rotating member is pushed by the poke rod and can only rotate by taking the rear front rotating member shaft as the center of a circle.

The front lens is arranged in a front lens sliding groove of the rear frame, and the front lens can only vertically move up and down in the front lens sliding groove after being stressed. The front lens stress pin is arranged at the lower part of the front lens, the front rotating piece sliding groove of the front rotating piece is matched with the front lens stress pin of the front lens, and the front lens stress pin is driven by the front rotating piece sliding groove to enable the front lens to generate vertical movement when the front rotating piece rotates.

The poke rod is provided with a rear poke groove, and the stress pin of the rear rotating piece is arranged in the rear poke groove of the poke rod to transmit the action of the poke rod to the rear rotating piece. The rear frame bottom has the rear axle hole, and the rear rotating piece axle dress of rear rotating piece is in the rear axle hole of rear frame for the rear rotating piece receives the promotion of poker rod and can only rotate as the centre of a circle with the rear rotating piece axle.

The rear lens is arranged in a rear lens sliding groove of the rear frame, and the rear lens can only vertically move up and down in the rear lens sliding groove after being stressed. The rear lens lower part has the rear lens atress round pin, and the rear rotates the piece spout and the rear lens atress round pin cooperation of rear lens of piece after, rotates the piece after and drives rear lens atress round pin through the rear and rotate the piece spout and make the rear lens produce vertical motion when rotating.

The poke rod is ensured not to fall off under the combined action of the front positioning sliding groove, the front poking groove and the rear poking groove. The front shifting groove and the rear shifting groove of the shifting rod are designed in an axial symmetry mode, so that when the shifting rod moves horizontally, the front lens rises and the rear lens falls, or the front lens falls and the rear lens rises, and the front lens and the rear lens alternately move up and down.

The upper portion of the front frame is provided with a light-emitting mirror cover, an upper air duct and a radiator fixing hole are arranged on the light-emitting mirror cover, and fixing hooks are arranged on two sides of the light-emitting mirror cover and are used for fixedly connecting the rear frame. And side ventilation channels are arranged on two sides of the front frame and used for ventilation and heat dissipation of the optical component. The lower part of the front frame is provided with a poke rod sliding guide rail, and a poke rod positioning pin is arranged on the poke rod sliding guide rail and used for positioning the poke rod in a sliding manner. The lower part of the front frame is provided with a front shaft hole and a front frame screw hole.

Rear frame upper portion both sides be provided with the light-emitting mirror side cap, the light-emitting mirror side cap is provided with the fixed slot and is used for colluding the cooperation with the front frame is fixed. The lower part of the rear frame is provided with a rear frame screw hole which is matched with the front frame screw hole, and the front frame and the rear frame are fixed together through bolts.

The poke rod is provided with a front poking groove, a rear poking groove, a front positioning sliding groove and a rear positioning sliding groove. The rear positioning sliding groove does not work at ordinary times, and because the poking rod is of an axisymmetric structure, when the poking rod is installed at 180 degrees in the reverse direction, the positioning sliding groove can replace the function of the front positioning sliding groove, and the positions and the functions of the front poking groove and the rear poking groove are interchanged.

The front lens is provided with a front lens outer frame, and the lower part of the front lens outer frame is provided with a front lens stressed pin.

The front rotating piece is provided with a front rotating piece sliding groove, a front rotating piece shaft and a front rotating piece stress pin.

The outer part of the rear lens is provided with a rear lens outer frame, and the lower part of the rear lens outer frame is provided with a rear lens stress pin.

The rear rotating piece is provided with a rear rotating piece sliding groove, a rear rotating piece shaft and a rear rotating piece stress pin.

When the front lens and the front lens outer frame are assembled, the front lens and the front lens outer frame are arranged in a front lens sliding groove arranged on the rear frame, the front lens is connected with a front rotating piece sliding groove of a front rotating piece through a front lens stress pin, a front rotating piece shaft of the front rotating piece is arranged in a front shaft hole of the front frame, and the stress pin of the front rotating piece is arranged in a front poking groove of the poking rod; the rear lens and the outer frame of the rear lens are arranged in a rear lens sliding groove of the rear frame, the rear lens is connected with a rear rotating piece sliding groove of the rear rotating piece through a rear lens stress pin, a rear rotating piece shaft of the rear rotating piece is arranged in a rear shaft hole of the rear frame, and a rear rotating piece stress pin of the rear rotating piece is arranged in a rear poking groove of the poking rod.

The front positioning sliding groove of the poke rod is arranged on a poke rod positioning pin at the lower part of the front frame, and the poke rod is limited in the sliding guide rail of the front frame under the action of the positioning pin. The front rotating piece shaft of the front rotating piece is arranged in a front shaft hole at the lower part of the front frame, the poke rod is matched with the poke rod positioning pin of the front frame through the front positioning sliding groove and can slide left and right along the poke rod sliding guide rail to drive the front rotating piece and the rear rotating piece to simultaneously transmit, so that the front lens and the rear lens are driven to synchronously and alternately lift along the front lens sliding groove and the rear lens sliding groove, and the front lens and the rear lens are arranged in the optical equipment and can be rapidly converted into lenses.

The front lens and the rear lens of the lens conversion device are embedded in the vertical sliding groove and can slide up and down alternately. The lower end of the lens is provided with a stressed pin matched with a chute of the rotating piece, and the other end of the rotating piece is provided with a stressed pin matched with a poke rod poke groove. When the poke rod moves horizontally, the rotating piece is pushed to rotate around the axis of the rotating piece, and the front lens and the rear lens are driven to slide up and down alternately.

The lens conversion device, the angle of the rotating part: the sliding groove-shaft-stressed pin is a right angle, the horizontal movement of the deflector rod pushes the rotating piece to rotate, and the rotating piece is converted into the vertical movement of the lens. Any other angular arrangement may be used to produce different directions of motion.

In the lens conversion device, the front rotating piece of the front lens and the rear rotating piece of the rear lens have the same size structure and are pushed by the same poke rod, and the front and rear groups of lenses and the rotating pieces are in crossed symmetrical arrangement. When the poke rod moves horizontally, the front and rear rotating pieces and the front and rear lenses are stressed simultaneously to rotate and slide in opposite directions, the rear lens descends while the front lens ascends, and the rear lens ascends while the front lens descends, so that the two groups of lenses are rapidly switched.

In the lens conversion device, the distance from the axis of the rotating part to the sliding groove is greater than the distance from the axis to the stressed pin, and the poke rod moves horizontally for a short distance, so that the lens can move vertically for a long time.

The lens conversion device and the stress pin fixed with the lens move in the chute of the rotating piece. If the positions of the fixed pin and the sliding groove are interchanged, namely the sliding groove is arranged on the lens and the fixed pin is arranged on the rotating piece, the same effect can be achieved. Similarly, the positions of the force-bearing pin and the chute which are matched between the poke rod and the rotating piece can be interchanged.

The working principle is as follows:

the lens conversion device comprises a front lens, a front rotating piece, a deflector rod, a front frame, a rear lens, a rear rotating piece and a rear frame; two ends of the front lens are embedded in a rear lens sliding groove of the rear frame and can slide up and down, two ends of the rear lens are embedded in a rear lens sliding groove of the rear frame and can slide up and down, and a front lens stress pin is arranged at the lower end of the front lens; the front rotating piece rotates by taking a front rotating piece shaft as a circle center, one end of the front rotating piece is provided with a front rotating piece sliding groove, and a front lens stress pin of the front lens can slide up and down along with the rotation of the front rotating piece under the stress in the front rotating piece sliding groove of the front rotating piece; the other end of the front rotating piece is provided with a front rotating piece stressed pin which is embedded in a front shifting groove of the shifting rod, when the shifting rod moves horizontally, the front shifting groove of the shifting rod drives the front rotating piece stressed pin of the front rotating piece, the front rotating piece stressed pin drives the front rotating piece to rotate by a certain angle by taking a front rotating piece shaft as a circle center, and then a sliding groove of the front rotating piece drives a front lens stressed pin of the front lens to enable the front lens to move vertically.

The lower end of the rear lens is fixed with a stress pin; the rear rotating part rotates by taking the shaft as a circle center, one end of the rear rotating part is provided with a rear rotating part sliding groove, and a rear lens stress pin of the rear lens can slide up and down along with the rotation of the rear rotating part under the stress in the rear rotating part sliding groove; the other end of the rear rotating piece is provided with a stress pin which is embedded in a rear shifting groove of the shifting rod, when the shifting rod moves horizontally, the rear shifting groove of the shifting rod drives the stress pin of the rear rotating piece, the stress pin drives the rear rotating piece to rotate by a certain angle with a rear rotating piece shaft as a circle center, and then the rear lens stress pin of the rear lens is driven by a rear rotating piece sliding groove of the rear rotating piece to enable the rear lens to move vertically.

The utility model discloses a preceding lens, preceding rotating member are the same with rear lens, back rotating member structure, are cross symmetrical structure in the assembly relation, and the poker rod is also cross symmetrical structure and drives two sets of rotation pieces and lenses around driving simultaneously for when two lens movements around the horizontal motion of poker rod drives, two lenses synchronous production opposite direction's vertical motion around the front and back. When the poke rod moves leftwards, the front rotating piece and the rear rotating piece are driven to rotate clockwise by an angle, due to the relationship of the crossed symmetrical structure, the front rotating piece sliding groove of the front rotating piece drives the front lens to move upwards, the rear rotating piece sliding groove of the rear rotating piece drives the rear lens to move downwards, so that the rear lens descends to a hidden position, and the front lens ascends to a working position. When the poke rod moves rightwards, the front rotating piece and the rear rotating piece are driven to rotate anticlockwise by an angle, due to the relation of the crossed symmetrical structures, the front rotating piece sliding groove of the front rotating piece drives the front lens to move downwards, the rear rotating piece sliding groove of the rear rotating piece drives the rear lens to move upwards, the front lens is lowered to a hidden position, and the rear lens is raised to a working position. The synchronous alternate up-and-down action of the front lens and the rear lens can be realized by the repeated action, and the quick alternate replacement of two different lenses is realized.

The utility model discloses utilize the horizontal motion of poker rod to make preceding rotating member and back rotating member rotate, drive preceding lens and back lens and produce the up-and-down motion. The distance between the front rotating piece shaft and the front rotating piece sliding groove is larger than the distance between the front rotating piece shaft and the front rotating piece stress pin, and when the rotating piece rotates, the ratio of the generated vertical movement distance to the horizontal movement distance is in direct proportion to the ratio of the distance between the front rotating piece shaft and the front rotating piece sliding groove to the distance between the front rotating piece shaft and the front rotating piece stress pin. The structure of the rear rotating piece is completely the same as that of the front rotating piece, and repeated description is omitted. When the design is carried out, a proper ratio is selected, so that the front lens and the rear lens can vertically move for a large distance when the poke rod horizontally moves for a small distance.

Compared with the prior art, the utility model has the advantages of it is following: 1. the quick switching of 2 kinds of lenses can be realized by only slightly pushing the poke rod, and the operation is very convenient. 2. The lens to be replaced is arranged in the optical equipment, so that the equipment is integrated. Eliminating the need for an external backup lens attachment reduces the complexity of the optical device system and also avoids loss or wear of the attachment lens. 3. The lens conversion device has small volume, and is not only suitable for general optical equipment, but also suitable for portable or handheld small-sized optical equipment. 4. The front and rear parts of the lens conversion device are identical in design structure, completely universal and interchangeable, simple in assembly and combination process and convenient to implement and produce. 5. The lens conversion device has the advantages of simple structure of the parts, convenient molding by using injection molding parts or sheet metal parts, low manufacturing cost and convenient popularization and use.

Drawings

Fig. 1 is a schematic diagram of the lens lifting of the present invention;

FIG. 2 is a schematic diagram of the lens falling of the present invention;

FIG. 3 is a schematic diagram of the dual lens linkage of the present invention;

fig. 4 is a front lens lifting structure view of the present invention;

fig. 5 is a rear lens lifting structure view of the present invention;

FIG. 6 is an oblique view of the upper part of the assembled structure of the present invention;

FIG. 7 is a bottom perspective view of the present invention after final assembly;

fig. 8 is an exploded view of the present invention after final assembly.

The reference numbers in the figures are:

1. front lens 1-1, front lens stress pin 1-5, front lens outer frame;

2. the front rotating piece, 2-1, the front rotating piece chute, 2-2, the front rotating piece shaft, 2-3, the front rotating piece force pin;

3. a poke rod 3-3, a front poking groove 3-4, a front positioning sliding groove 3-31 and a rear poking groove,

3-41, rear positioning sliding groove;

4. a front frame 4-1, a light hole 4-2, a front axle hole 4-4, a poke rod positioning pin,

4-5 parts of side ventilation channel, 4-6 parts of upper ventilation channel, 4-7 parts of screw hole, 4-8 parts of fixing hook,

4-9 parts of light-emitting mirror cover, 4-10 parts of radiator fixing hole, 4-11 parts of poke rod sliding guide rail;

5. 5-1 parts of rear lens, 5-6 parts of rear lens stress pin and 5-6 parts of rear lens outer frame;

6. the rear rotating part 6-1, the rear rotating part sliding groove 6-2, the rear rotating part shaft 6-3 and the rear rotating part stress pin;

7. 7-2 parts of a rear frame, 7-2 parts of a rear shaft hole, 7-5 parts of a front lens sliding groove, 7-6 parts of a rear lens sliding groove;

7-7 parts of screw holes, 7-8 parts of fixing grooves, 7-9 parts of light-emitting mirror side covers.

Detailed Description

Referring to fig. 1 to 8, the lens switching device includes a front lens 1, a front rotating member 2, a poke rod 3, a front frame 4, a rear lens 5, a rear rotating member 6, and a rear frame 7.

The rear frame 7 is arranged at the rear side of the front frame 4, and the poke rod 3 is arranged at the bottoms of the front frame 4 and the rear frame 7 (after the front frame 4 and the rear frame 7 are folded); the front lens 1 is arranged in a front lens sliding groove 7-5 of the rear frame 7, the front lens 1 can only vertically move up and down in the front lens sliding groove 7-5 after being stressed, and the front lens 1 is connected with the poke rod 3 through the front rotating piece 2; the rear lens 5 is arranged in a rear lens sliding groove 7-6 of the rear frame 7, the rear lens 5 can only vertically move up and down in the rear lens sliding groove 7-6 after being stressed, and the rear lens 5 is connected with the poke rod 3 through a rear rotating piece 6.

The rear frame 7 is arranged at the rear side of the front frame 4, and the front frame 4 is provided with a front frame through hole 4-1 which is a working light-transmitting position of the front lens or the rear lens. Two sides of the rear frame 7 are respectively provided with a front lens sliding groove 7-5 and a rear lens sliding groove 7-6, the front lens 1 slides to the upper part of the front lens sliding groove 7-5 to be the working position of the front lens 1, and the rear lens 5 slides to the upper part of the rear lens sliding groove 7-6 to be the working position of the rear lens 5.

The poke rod 3 is arranged at the bottom of the front frame 4 and the rear frame 7 (after the front frame 4 and the rear frame 7 are folded), a poke rod positioning pin 4-4 is arranged at the bottom of the front frame 4, and a front positioning sliding groove 3-4 of the poke rod 3 is sleeved on the poke rod positioning pin 4-4 of the front frame 4, so that the poke rod 3 is limited to move in a short distance in the horizontal direction. The poke rod 3 is provided with a front poke groove 3-3, and a front poke part stress pin 2-3 of the front poke rod 2 is arranged in the front poke groove 3-3 of the poke rod 3 to transmit the action of the poke rod 3 to the front poke part 2. The bottom of the front frame is provided with a front shaft hole 4-2, a front rotating member shaft 2-2 of the front rotating member 2 is assembled in the front shaft hole 4-2, and the front rotating member 2 can only rotate by taking the front rotating member shaft 2-2 as the center of a circle after being pushed by the poke rod 3. The front lens 1 is arranged in a front lens sliding groove 7-5 of the rear frame 7, and the front lens 1 can only vertically move up and down in the front lens sliding groove 7-5 after being stressed. The lower part of the front lens 1 is provided with a front lens stress pin 1-1, a front rotating piece sliding groove 2-1 of the front rotating piece 2 is matched with the front lens stress pin 1-1 of the front lens 1, and the front lens stress pin 1-1 is driven by the front rotating piece sliding groove 2-1 to enable the front lens 1 to generate vertical movement when the front rotating piece 2 rotates.

The poke rod 3 is provided with rear poke grooves 3-31, and rear rotating piece stressed pins 6-31 of the rear rotating piece 6 are arranged in the rear poke grooves 3-31 of the poke rod 3, so that the action of the poke rod 3 is transmitted to the rear rotating piece 6. The bottom of the rear frame 7 is provided with a rear axle hole 7-2, and the rear rotating piece axle 6-2 of the rear rotating piece 6 is assembled in the rear axle hole 7-2 of the rear frame 7, so that the rear rotating piece 6 can only rotate by taking the rear rotating piece axle 6-2 as the center of a circle after being pushed by the poke rod 3. The rear lens 5 is arranged in a rear lens sliding groove 7-6 of the rear frame 7, and the rear lens 5 can only vertically move up and down in the rear lens sliding groove 7-6 after being stressed. The lower part of the rear lens 5 is provided with a rear lens stress pin 5-1, a rear rotating piece sliding groove 6-1 of the rear rotating piece 6 is matched with the rear lens stress pin 5-1 of the rear lens 5, and the rear lens stress pin 5-1 is driven by the rear rotating piece sliding groove 6-1 to enable the rear lens 5 to generate vertical movement when the rear rotating piece 6 rotates.

The poke rod 3 is ensured not to fall off under the combined action of the front positioning sliding groove 3-4, the front poke groove 3-3 and the rear poke groove 3-31. The front shifting groove 3-3 and the rear shifting groove 3-31 of the shifting rod 3 are designed in an axial symmetry mode, so that when the shifting rod 3 moves horizontally, the front lens 1 rises and the rear lens 5 falls, or the front lens 1 falls and the rear lens 5 rises, and the front lens and the rear lens generate alternate up-and-down motion.

The upper part of the front frame 4 is provided with a light-emitting mirror cover 4-9, the light-emitting mirror cover 4-9 is provided with an upper ventilating duct 4-6 and a radiator fixing hole 4-10, and two sides of the light-emitting mirror cover 4-9 are provided with fixing hooks 4-8 for fixedly connecting a rear frame 7. And side ventilation channels 4-5 are arranged on two sides of the front frame 4 and used for ventilation and heat dissipation of the optical component. The lower part of the front frame 4 is provided with a poke rod sliding guide rail 4-11, and a poke rod positioning pin 4-4 is arranged on the poke rod sliding guide rail 4-11 and used for positioning the poke rod 3 in a sliding way. The lower part of the front frame 4 is provided with a front axle hole 4-2 and a front frame screw hole 4-7.

And light-emitting mirror side covers 7-9 are arranged on two sides of the upper part of the rear frame 7, and fixing grooves 7-8 are formed in the light-emitting mirror side covers 7-9 and are used for being matched with the front frame fixing hooks 4-8. The lower part of the rear frame 7 is provided with rear frame screw holes 7-7 for matching with the front frame screw holes 4-7, and the front frame 4 and the rear frame 7 are fixed together through bolts.

The poke rod 3 is provided with a front poke groove 3-3, a rear poke groove 3-31, a front positioning sliding groove 3-4 and a rear positioning sliding groove 3-41. The positioning sliding grooves 3-41 do not work at ordinary times, and because the poke rod 3 is of an axisymmetric structure, when the poke rod is installed at 180 degrees in the reverse direction, the rear positioning sliding grooves 3-41 can replace the functions of the front positioning sliding grooves 3-4, and the positions and the functions of the front poke grooves 3-3 and the rear poke grooves 3-31 are interchanged.

The front lens 1 is provided with a front lens outer frame 1-5, and the lower part of the front lens outer frame 1-5 is provided with a front lens stress pin 1-1.

The front rotating member 2 is provided with a front rotating member sliding groove 2-1, a front rotating member shaft 2-2 and a front rotating member stress pin 2-3.

The outer part of the rear lens 5 is provided with a rear lens outer frame 5-6, and the lower part of the rear lens outer frame 5-6 is provided with a rear lens stress pin 5-1.

The rear rotating piece 6 is provided with a rear rotating piece sliding groove 6-1, a rear rotating piece shaft 6-2 and a rear rotating piece stress pin 6-3.

When the glasses are assembled, the front lens 1 and the front lens outer frame 1-5 are arranged in a front lens sliding groove 7-5 arranged on the rear frame 7, the front lens 1 is connected with a sliding groove 2-1 of the front rotating piece 2 through a front lens stress pin 1-1, a front rotating piece shaft 2-2 of the front rotating piece 2 is arranged in a front shaft hole 4-2 of the front frame 4, and a front rotating piece stress pin 2-3 of the front rotating piece 2 is arranged in a front shifting groove 3-3 of the shifting rod 3; the rear lens 5 and the rear lens outer frame 5-6 are arranged in a rear lens sliding groove 7-6 of the rear frame 7, the rear lens 5 is connected with a rear rotating piece sliding groove 6-1 of the rear rotating piece 6 through a rear lens stress pin 5-1, a rear rotating piece shaft 6-2 of the rear rotating piece 6 is arranged in a rear shaft hole 7-2 of the rear frame 7, and a rear rotating piece stress pin 6-3 of the rear rotating piece 6 is arranged in a rear poking groove 3-31 of the poking rod 3.

The front positioning sliding groove 3-4 of the poke rod 3 is arranged on a poke rod positioning pin 4-4 at the lower part of the front frame 4, and the poke rod 3 is limited in a sliding guide rail 4-11 of the front frame 4 under the action of the positioning pin 4-4. A front rotating piece shaft 2-2 of a front rotating piece 2 is arranged in a front shaft hole 4-2 at the lower part of a front frame 4, a poke rod 3 is matched with a poke rod positioning pin 4-4 of the front frame 4 through a front positioning sliding groove 3-4 and can slide left and right along a poke rod sliding guide rail 4-11 to drive the front rotating piece 2 and a rear rotating piece 6 to simultaneously transmit, further drive a front lens 1 and a rear lens 5 to synchronously and alternately lift along a front lens sliding groove and a rear lens sliding groove, and the front lens and the rear lens are arranged in optical equipment to rapidly convert lenses.

The lens conversion device and the method thereof comprise a front lens 1, a front rotating piece 2, a deflector rod 3, a front frame 4, a rear lens 5, a rear rotating piece 6 and a rear frame 7; two ends of the front lens 1 are embedded in a rear lens sliding groove 7-5 of the rear frame 7 and can slide up and down, two ends of the rear lens 5 are embedded in a rear lens sliding groove 7-6 of the rear frame 7 and can slide up and down, and the lower end of the front lens 1 is provided with a front lens stress pin 1-1; the front rotating piece 2 rotates by taking a front rotating piece shaft 2-2 as a circle center, one end of the front rotating piece 2 is provided with a front rotating piece sliding groove 2-1, and a front lens stress pin 1-1 of a front lens can slide up and down along with the rotation of the front rotating piece 2 under the stress in the front rotating piece sliding groove 2-1 of the front rotating piece 2; the other end of the front rotating piece 2 is provided with a front rotating piece stressed pin 2-3 which is embedded in a front shifting groove 3-3 of the shifting rod 3, when the shifting rod 3 moves horizontally, the front shifting groove 3-3 of the shifting rod 3 drives the front rotating piece stressed pin 2-3 of the front rotating piece 2, the front rotating piece stressed pin 2-3 drives the front rotating piece 2 to rotate by a certain angle by taking a front rotating piece shaft 2-2 as a circle center, and then the front rotating piece sliding groove 2-1 of the front rotating piece 2 drives the stressed pin 1-1 of the front lens 1 to enable the front lens 1 to vertically move.

A rear lens stress pin 5-1 is fixed at the lower end of the rear lens 5; the rear rotating piece 6 rotates by taking the shaft 6-2 as a circle center, one end of the rear rotating piece 6 is provided with a rear rotating piece sliding groove 6-1, and a rear lens stress pin 5-1 of the rear lens is stressed in the rear rotating piece sliding groove 6-1 and can slide up and down along with the rotation of the rear rotating piece 6; the other end of the rear rotating piece 6 is provided with a rear rotating piece stress pin 6-3 which is embedded in a rear poking groove 3-31 of the poking rod 3, when the poking rod 3 moves horizontally, the rear poking groove 3-31 of the poking rod 3 drives the rear rotating piece stress pin 6-3 of the rear rotating piece 6, the rear rotating piece stress pin 6-3 drives the rear rotating piece 6 to rotate by a certain angle by taking a rear rotating piece shaft 6-2 as a circle center, and then the rear rotating piece sliding groove 6-1 of the rear rotating piece 9 drives the rear lens stress pin 5-1 of the rear lens 5 to enable the rear lens 5 to move vertically.

The utility model discloses a preceding lens 1, preceding movable part 2 and rear mirror piece 5, back rotate 6 structures the same, are cross symmetrical structure on the assembly relation, and poker rod 3 is also cross symmetrical structure and drives two sets of rotation pieces and lenses around driving simultaneously for when two lenses move around the horizontal motion of poker rod drives, two lenses synchronous production opposite direction's vertical motion around the front and back. When the poke rod 3 moves leftwards, the front rotating piece 2 and the rear rotating piece 6 are driven to rotate clockwise by an angle, due to the relationship of a crossed symmetrical structure, the sliding groove 2-1 of the front rotating piece 2 drives the front lens 1 to move upwards, the rear rotating piece sliding groove 6-1 of the rear rotating piece 6 drives the rear lens 5 to move downwards, so that the rear lens 5 descends to a hidden position, and the front lens 1 ascends to a working position. When the poke rod 3 moves rightwards, the front rotating piece 2 and the rear rotating piece 6 are driven to rotate anticlockwise by an angle, due to the relation of a crossed symmetrical structure, the sliding groove 2-1 of the front rotating piece 2 drives the front lens 1 to move downwards, the rear rotating piece sliding groove 6-1 of the rear rotating piece 6 drives the rear lens 5 to move upwards, the front lens 1 is made to descend to a hidden position, and the rear lens 5 is made to ascend to a working position. The synchronous alternate up-and-down action of the front lens 1 and the rear lens 5 can be realized by the repeated action, and the quick alternate replacement of 2 different lenses can be realized.

The utility model discloses utilize the horizontal motion of poker rod 3 to make preceding rotation piece 2 and back rotation piece 6 rotate, drive preceding lens 1 and back lens 5 and produce the up-and-down motion. Taking the front rotating piece 2 as an example, the distance from the front rotating piece shaft 2-2 to the front rotating piece sliding groove 2-1 is greater than the distance from the front rotating piece shaft 2-2 to the front rotating piece stressed pin 2-3, and when the rotating piece 2 rotates, the ratio between the generated vertical movement distance and the generated horizontal movement distance is in direct proportion to the ratio between the distance from the front rotating piece shaft 2-2 to the front rotating piece sliding groove 2-1 and the distance from the front rotating piece shaft 2-2 to the front rotating piece stressed pin 2-3. The structure of the rear rotating member 6 is identical to that of the front rotating member 2, and will not be described repeatedly. When the design is carried out, a proper ratio is selected, so that the front lens and the rear lens can vertically move for a large distance when the poke rod horizontally moves for a small distance.

Example (b):

as shown in fig. 1 to 8, the lens conversion device and the method thereof include a front lens 1, a front rotating member 2, a shift lever 3, a front frame 4, a rear lens 5, a rear rotating member 6, and a rear frame 7; the outer frame 1-5 of the front lens 1 is embedded in the vertical chute 7-5 and can slide up and down, and the lower end of the front lens 1 is provided with a front lens stress pin 1-1; the rotating piece 2 rotates by taking a front rotating piece shaft 2-2 as a circle center, a front rotating piece sliding groove 2-1 is arranged at one end of the rotating piece 2, and a front lens stress pin 1-1 of the front lens 1 is stressed in the front rotating piece sliding groove 2-1 and can slide up and down along with the rotation of the rotating piece 2; the other end of the rotating piece 2 is provided with a front rotating piece stressed pin 2-3 which is embedded in a shifting groove 3-3 of the shifting rod 3, and when the shifting rod 3 moves horizontally, the shifting groove 3-3 pushes the front rotating piece stressed pin 2-3 to enable the rotating piece 2 to rotate at a certain angle. The rear rotating piece 6 and the rear lens 5 have the same structure as the front rotating piece 2 and the front lens 1, and the front and the rear lens and the rotating pieces are arranged in a crossed and symmetrical way and are pushed by the same poke rod 3.

The working principle is described below with reference to the accompanying drawings:

as shown in figure 1, when the poke rod 3 moves horizontally to the left, the rotating part 2 rotates clockwise by an angle with the front rotating part shaft 2-2 point as the axis, the front lens stress pin 1-1 is sleeved in the front rotating part chute 2-1 of the front rotating part 2, the front lens stress pin 1-1 moves upwards under stress, the front lens stress pin 1-1 is rigidly connected with the front lens 1, so the front lens 1 moves vertically upwards along the track of the chute 7-5.

The action direction shown in fig. 2 is opposite to that shown in fig. 1, when the poke rod 3 moves horizontally to the right, the front rotating member 2 rotates counterclockwise by an angle with the point of the front rotating member shaft 2-2 as the axis, the front rotating member chute 2-1 of the front rotating member 2 generates acting force on the front lens stressed pin 1-1 of the front lens, and the front lens stressed pin 1-1 is stressed to move downwards to drive the front lens 1 to move vertically downwards along the track of the chute 7-5.

Fig. 3 shows a combination of two sets of lenses, a front lens 1 and a rear lens 5 (dotted line), the two sets being symmetrically crossed. The poke rod 3 is an integrated structure and can simultaneously push the front rotating piece 2 and the rear rotating piece 6. When the poke rod moves horizontally to the left, the front lens 1 moves upwards to reach the working position, and the rear lens 5 moves downwards to reach the hidden position. When the lenses need to be switched, the driving lever is pushed, the two lenses generate opposite upward and downward movements at the same time, the positions are switched, and the lenses are quickly switched.

Fig. 4 is a perspective view showing the front lens after it is lifted, fig. 5 is a perspective view showing the rear lens after it is lifted, and the front lens chute 7-5, the rear lens chute 7-6 and the tap lever 3 are omitted in the drawings, so that two operation states of the lens switching device can be more clearly shown.

Fig. 5 to 8 are general assembly diagrams of different viewing angles, wherein the poke rod 3 is provided with a positioning sliding groove 3-4, the lower part of the front frame 4 is provided with a poke rod positioning pin 4-4, and the poke rod positioning pin 4-4 is matched with the positioning sliding groove 3-4 to ensure that the poke rod 3 moves horizontally in a certain range.

The front rotating piece 2 and the rear rotating piece 6 are respectively provided with a front rotating piece shaft 2-2 and a rear rotating piece shaft 6-2, the front frame 4 and the rear frame 7 are respectively provided with a front shaft hole 4-2 and a rear shaft hole 7-2 which correspond to the front rotating piece shaft 2-2 and the rear rotating piece shaft 6-2 on the front rotating piece 2 and the rear rotating piece 6.

In the assembly diagram, the front frame 4 and the rear frame 7 have complicated structures due to the consideration of the installation of other optical components, and the relevant parts of the assembly diagram are the front lens sliding groove 7-5, the rear lens sliding groove 7-6, the front shaft hole 4-2, the rear shaft hole 7-2, and the poke rod positioning pin 4-4 for limiting the movement tracks of the front lens 1 and the rear lens 5, please refer to fig. 3 and 8.

The utility model discloses use the mechanical composition mode, realized the quick switch of two kinds of lenses. The small stroke horizontal action of the deflector rod is skillfully converted into the large stroke alternate vertical action of the lens by utilizing the distance difference and the angle difference of the two end points of the rotating piece. The problem of optical equipment fast conversion lens is solved, the operation is fast and convenient, and the loss when the accessory lens is converted is avoided. The utility model discloses simple structure, the action is nimble reliable, and the preparation processing is easy, convenient to popularize and use.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A lens conversion device is characterized by comprising a front lens, a front rotating piece, a poke rod, a front frame, a rear lens, a rear rotating piece and a rear frame;

the rear frame is arranged at the rear side of the front frame, and the poke rod is arranged at the bottoms of the front frame and the rear frame; the front lens is arranged in a front lens sliding groove of the rear frame and is connected with the poke rod through the front rotating piece; the rear lens is arranged in a rear lens sliding groove of the rear frame and is connected with the poke rod through a rear rotating piece.

2. The lens converting device according to claim 1, wherein the front frame is provided with a front frame through hole which is a working light transmission position of the front lens or the rear lens, the two sides of the rear frame are respectively provided with a front lens sliding groove and a rear lens sliding groove, the front lens sliding to the upper part of the front lens sliding groove is a front lens working position, and the rear lens sliding to the upper part of the rear lens sliding groove is a rear lens working position.

3. The lens conversion device according to claim 1, wherein a poke rod positioning pin is provided at the bottom of the front frame, a positioning sliding groove of the poke rod is sleeved on the poke rod positioning pin of the front frame to limit the poke rod from moving in a short distance in the horizontal direction, the poke rod is provided with a front poke groove, a front rotating member force-bearing pin of the front rotating member is installed in the front poke groove of the poke rod to transfer the motion of the poke rod to the front rotating member, a front shaft hole is provided at the bottom of the front frame, a front rotating member shaft of the front rotating member is assembled in the front shaft hole, and the front rotating member is pushed by the poke rod to rotate around the.

4. The lens converting apparatus according to claim 1, wherein the front lens is mounted in a front lens sliding groove of the rear frame, the front lens is forced to move vertically only up and down in the front lens sliding groove, a front lens force bearing pin is provided at a lower portion of the front lens, a front rotating member sliding groove of the front rotating member is engaged with the force bearing pin of the front lens, and the front lens force bearing pin is driven by the front rotating member sliding groove to move vertically the front lens when the front rotating member rotates.

5. The lens converting apparatus according to claim 1, wherein the poke rod is provided with a rear poke groove, a force receiving pin of the rear rotating member is installed in the rear poke groove of the poke rod to transmit the motion of the poke rod to the rear rotating member, a rear shaft hole is formed at the bottom of the rear frame, and the rear rotating member shaft of the rear rotating member is fitted in the rear shaft hole of the rear frame, so that the rear rotating member is pushed by the poke rod to rotate around the rear rotating member shaft.

6. The lens shifting apparatus of claim 1, wherein the rear lens is mounted in a rear lens slide groove of the rear frame, and the rear lens is forced to move vertically up and down in the rear lens slide groove; the rear lens lower part has the rear lens atress round pin, and the rear rotates the piece spout and the rear lens atress round pin cooperation of rear lens of piece after, rotates the piece after and drives rear lens atress round pin through the rear and rotate the piece spout and make the rear lens produce vertical motion when rotating.

7. The lens converting device of claim 1,

the poke rod is provided with a front poking groove, a rear poking groove, a front positioning sliding groove and a rear positioning sliding groove;

the front lens is provided with a front lens outer frame, and the lower part of the front lens outer frame is provided with a front lens stress pin;

the front rotating piece is provided with a front rotating piece sliding groove, a front rotating piece shaft and a front rotating piece stress pin;

a rear lens outer frame is arranged outside the rear lens, and a rear lens stress pin is arranged at the lower part of the rear lens outer frame;

8. The lens conversion device according to claim 1 or 7, wherein, when assembling, the front lens and the front lens outer frame are installed in the front lens sliding groove of the rear frame, the front lens is connected with the front rotating member sliding groove of the front rotating member through the front lens force bearing pin, the front rotating member shaft of the front rotating member is installed in the front shaft hole of the front frame, the force bearing pin of the front rotating member is installed in the front poking groove of the poking rod; the rear lens and the outer frame of the rear lens are arranged in a rear lens chute of the rear frame, the rear lens is connected with a rear rotating piece chute of the rear rotating piece through a rear lens stress pin, a rear rotating piece shaft of the rear rotating piece is arranged in a rear shaft hole of the rear frame, and a rear rotating piece stress pin of the rear rotating piece is arranged in a rear poking groove of the poking rod;

the front positioning sliding groove of the poke rod is arranged on a poke rod positioning pin at the lower part of the front frame, the poke rod is limited in a sliding guide rail of the front frame under the action of the positioning pin, and a front rotating member shaft of the front rotating member is arranged in a front shaft hole at the lower part of the front frame.

9. The device for converting a lens of claim 1, wherein the front rotating member of the front lens and the rear rotating member of the rear lens are identical in size and structure and are driven by the same lever, and the front and rear lens and rotating members are arranged in a cross-symmetrical manner.

10. The lens conversion device according to claim 1, wherein the upper portion of the front frame is provided with a light-emitting mirror cover, the light-emitting mirror cover is provided with an upper ventilation channel and a radiator fixing hole, two sides of the light-emitting mirror cover are provided with fixing hooks for fixedly connecting with the rear frame, two sides of the front frame are provided with side ventilation channels for ventilation and heat dissipation of the optical component, the lower portion of the front frame is provided with a poking rod sliding guide rail, a poking rod positioning pin is arranged on the poking rod sliding guide rail for sliding positioning of the poking rod, and the lower portion of the front frame is provided with a front shaft hole and a front frame;

rear frame upper portion both sides be provided with the light-emitting mirror side cap, the light-emitting mirror side cap is provided with the fixed slot and is used for colluding the cooperation with preceding frame is fixed, the rear frame lower part is provided with the rear frame screw hole and is used for cooperating with preceding frame screw hole, fix preceding frame and rear frame together through the bolt.