CN210666147U

CN210666147U - Quarto optical slit

Info

Publication number: CN210666147U
Application number: CN201921693734.7U
Authority: CN
Inventors: 王云升; 焦桅; 叶圣
Original assignee: Shenzhen Kebaoyuan Technology Co Ltd
Current assignee: Shenzhen Kebaoyuan Technology Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-06-02
Anticipated expiration: 2029-10-11

Abstract

The utility model belongs to the technical field of optics experimental facilities, especially, be a quarto optics slit, it is reasonable inadequately to current quarto optics slit structure, the open-close plate operation is simple and clear inadequately, the problem of misoperation appears easily to the user, the following scheme is proposed to present, it includes two open-close plates, the below of two open-close plates is equipped with the base, the equal fixedly connected with curb plate in top both sides of base, and two open-close plates all are located between two curb plates, swing joint has first guide bar on the curb plate, and the one end that two first guide bars are close to each other rotates and is connected with same worm, the top side of first guide bar rotates and is connected with the worm wheel. The utility model has the advantages of reasonable design, can open two open-close boards simultaneously, also can open one of them open-close board alone, the big or small structural design of person of facilitating the use control slit is reasonable, can open two open-close boards simultaneously, also can open one of them open-close board alone, person of facilitating the use control slit size.

Description

Quarto optical slit

Technical Field

The utility model relates to an optics experimental facilities technical field especially relates to a four-way optics slit.

Background

Quarto optical slits on the market have been widely used, and for quarto optical slits, are more popular application optical instruments. Through retrieval, chinese patent with publication number CN205484985U discloses a quarto optical slit, which comprises a body consisting of a lower cover and an upper cover, wherein the lower cover is matched with the upper cover. The design provides a quarto optical slit which is convenient to use, flexible to operate, high in precision and quantifiable in slit width.

However, the above design still has the disadvantages that the structure of the quarto optical slit designed by the above design is not reasonable enough, the opening and closing operation of the opening and closing plate is not simple and clear enough, the operation error is easy to occur to a user, and the use is not facilitated, so that the quarto optical slit is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing four-opening optical slit structure is not reasonable enough, the opening and closing operation of the opening and closing plate is not simple and clear enough, and the operation error is easy to occur to the user, and providing a four-opening optical slit.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a quarto optical slit comprises two open-close plates, wherein a base is arranged below the two open-close plates, two side plates are fixedly connected to two sides of the top of the base, the two open-close plates are positioned between the two side plates, a first guide rod is movably connected to each side plate, one end, close to each other, of each first guide rod is rotatably connected with a worm, a worm wheel is rotatably connected to the top side of each first guide rod, the two worm wheels are positioned between the worms and meshed with each other, a helical gear is fixedly connected to the front side of each worm wheel, the bottom sides of the two open-close plates are respectively meshed with the two helical gears, the bottom of the base is respectively in threaded connection with two long screw rods and two short screw rods, the two short screw rods are positioned between the two long screw rods, the long screw rods are matched with the corresponding open-close plates, the short screw rods are matched with the first guide rods, and two second, the side plates are movably sleeved on the outer sides of the corresponding second guide rods, and the side plates are movably sleeved on the outer sides of the corresponding first guide rods.

Preferably, the fixed cover in outside of worm is equipped with the outer lane of bearing, and the one end that two first guide bars are close to each other all welds with the outer lane of bearing mutually for the worm rotates and sets up between two first guide bars.

Preferably, the base is provided with a first rectangular hole on the bottom side, and the outer side of the worm is movably connected with the first rectangular hole, so that the worm can horizontally move relative to the base.

Preferably, the top side of the first guide rod is provided with a second guide hole, and the long screw is movably connected with the corresponding second guide hole, so that the first guide rod can horizontally move relative to the long screw.

Preferably, the bottom of worm, the bottom of long screw rod and the bottom of short screw rod all extend to the below of base and fixedly connected with knob, the bottom fixedly connected with U type seat of base makes things convenient for rotating worm, long screw rod and short screw rod to carry out rotary motion.

Preferably, the bottom side of the opening plate is fixedly connected with a rack, and the helical gear is meshed with the corresponding rack, so that the opening plate can be driven to stably move horizontally.

The quarto optical slit in the utility model is tightly attached to the first guide rod by screwing the two short screw rods, so that the position of the worm is fixed, the worm is rotated to drive the two worm wheels to rotate slowly, the left worm wheel rotates anticlockwise, the right worm wheel rotates clockwise, and the worm wheel drives the helical gear to rotate;

the quarto optical slit in the utility model drives the open-close plates to move through the rack when the bevel gear rotates, so that the two open-close plates are slowly and simultaneously opened, the slit between the two open-close plates can display the phenomenon of gradually opening from zero to large, at the moment, the two sides of the slit can be simultaneously opened from the middle, thus, the center of the opened slit can never change, the worm is rotated in the opposite direction, the two open-close plates are close to each other and are closed, and the slit can be reset to zero;

the quarto optical slit in the utility model is formed by screwing one of the long screws, so that the top end of the long screw is tightly attached to the bottom side of the corresponding open-close plate, then unscrewing the short screw, separating the short screw from the first guide rod, and driving the two open-close plates to separate by the helical gear through the rotating worm;

the utility model has the advantages of reasonable design, can open two open-close boards simultaneously, also can open one of them open-close board alone, the person of facilitating the use controls the slit size.

Drawings

Fig. 1 is a schematic structural view of a quarto optical slit according to the present invention;

fig. 2 is a schematic structural diagram of a portion a of a quarto optical slit according to the present invention.

In the figure: 1. opening and closing the board; 2. a base; 3. a side plate; 4. a first guide bar; 5. a worm; 6. a worm gear; 7. a helical gear; 8. a long screw; 9. a short screw; 10. a second guide hole; 11. a first rectangular hole; 12. a bearing; 13. a knob; 14. a rack; 15. a second guide bar; 16. a U-shaped seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a quarto optical slit comprises two open-close boards 1, a base 2 is arranged below the two open-close boards 1, side plates 3 are fixedly connected to both sides of the top of the base 2, the two open-close boards 1 are positioned between the two side plates 3, first guide rods 4 are movably connected to the side plates 3, one ends of the two first guide rods 4, which are close to each other, are rotatably connected with a same worm 5, a worm wheel 6 is rotatably connected to the top side of the first guide rods 4, the two worm wheels 6 are both positioned between the worm wheels 5 and are engaged with each other, helical gears 7 are fixedly connected to the front sides of the worm wheels 6, the bottom sides of the two open-close boards 1 are respectively engaged with the two helical gears 7, two long screw rods 8 and two short screw rods 9 are respectively connected to the bottom of the base 2 through threads, the two short screw rods 9 are both positioned between, short screw 9 cooperatees with first guide bar 4, and two second guide bar 15 of equal fixedly connected with in one side that two open-close plates 1 kept away from each other, 3 movable sleeves of curb plate are established in the outside of corresponding

second guide bar

15, and 3 movable sleeves of curb plate are established in the outside of corresponding first guide bar 4.

The utility model discloses in, the fixed cover in outside of worm 5 is equipped with the outer lane of bearing 12, and the one end that two first guide bars 4 are close to each other all welds mutually with the outer lane of bearing 12 for worm 5 rotates and sets up between two first guide bars 4.

The utility model discloses in, first rectangular hole 11 has been seted up to the bottom side of base 2, the outside and the 11 swing joint of first rectangular hole of worm 5 for worm 5 can horizontal migration for base 2.

The utility model discloses in, second guiding hole 10 has been seted up to the top side of first guide bar 4, long screw 8 and corresponding second guiding hole 10 swing joint for first guide bar 4 can horizontal migration for long screw 8.

The utility model discloses in, the bottom of worm 5, the bottom of long screw 8 and the bottom of short screw 9 all extend to the below and the fixedly connected with knob 13 of base 2, and the bottom fixedly connected with U type seat 16 of base 2 makes things convenient for rotating worm 5, long screw 8 and short screw 9 to carry out rotary motion.

The utility model discloses in, the bottom side fixedly connected with rack 14 of open close plate 1, helical gear 7 meshes with corresponding rack 14 mutually, conveniently drives the stable horizontal migration of open close plate 1.

The utility model discloses in, when using, screw two short screw rods 9, make the top of short screw rod 9 closely laminate with first guide bar 4, just fixed the position of worm 5 this moment, then rotating worm 5 rotates, worm 5 drives two worm wheel 6 slow rotations when rotatory, make left worm wheel 6 anticlockwise rotation, right side worm wheel 6 clockwise rotation, worm wheel 6 drives helical gear 7 rotation this moment, helical gear 7 drives the opening plate 1 through rack 14 when rotatory and removes, make two opening plate 1 slow and open simultaneously, the slit between two opening plate 1 will show from 0 to the phenomenon of opening gradually, the key characteristics are that the slit both sides can be opened from the centre simultaneously, the slit center of opening just so can not change forever, reverse rotation worm 5, two opening plate 1 are close to each other closed this moment, the slit can reset to 0; one of them long screw 8 screws for the top of this long screw 8 closely laminates with the bottom side of corresponding open close plate 1, then the short screw 9 of unscrewing, make short screw 9 and the separation of first guide bar 4, the worm 5 is rotated this moment, two open close plates 1 of helical gear 7 drive separate, because one of them open close plate 1 has been fixed by long screw 8, another open close plate 1 just keeps away from gradually this moment, make the slit enlarge gradually, consequently, can open one of them open close plate 1 alone, also can open two open close plate 1 simultaneously, the person of facilitating the use controls the slit size.

Claims

1. A quarto optical slit comprises two open-close plates (1), and is characterized in that a base (2) is arranged below the two open-close plates (1), side plates (3) are fixedly connected to two sides of the top of the base (2), the two open-close plates (1) are positioned between the two side plates (3), a first guide rod (4) is movably connected to each side plate (3), one end, close to each other, of the two first guide rods (4) is rotatably connected with a same worm (5), a worm wheel (6) is rotatably connected to the top side of each first guide rod (4), the two worm wheels (6) are respectively positioned on the worm (5) to be meshed with each other, helical gears (7) are fixedly connected to the front sides of the worm wheels (6), the bottom sides of the two open-close plates (1) are respectively meshed with the two helical gears (7), two long screw rods (8) and two short screw rods (9) are respectively in threaded connection with the bottom of the, and two short screw rods (9) all are located between two long screw rods (8), long screw rod (8) cooperate with corresponding open-close plate (1), short screw rod (9) cooperate with first guide bar (4), two open-close plate (1) one side equal fixedly connected with two second guide bars (15) of keeping away from each other, curb plate (3) activity cover is established in the outside of corresponding second guide bar (15), and curb plate (3) activity cover is established in the outside of corresponding first guide bar (4).

2. A quarto optical slit according to claim 1, characterized in that the outer side of the worm (5) is fixedly sleeved with the outer ring of the bearing (12), and the ends of the two first guide rods (4) close to each other are welded with the outer ring of the bearing (12).

3. A quarto optical slit according to claim 1, characterized in that the base (2) has a first rectangular hole (11) formed in the bottom side thereof, and the outer side of the worm (5) is movably connected to the first rectangular hole (11).

4. A quarto optical slit according to claim 1, characterized in that the top side of the first guide rod (4) is provided with a second guide hole (10), and the long screw (8) is movably connected with the corresponding second guide hole (10).

5. A quarto optical slit according to claim 1, characterized in that the bottom end of the worm (5), the bottom end of the long screw (8) and the bottom end of the short screw (9) all extend below the base (2) and are fixedly connected with a knob (13), and the bottom of the base (2) is fixedly connected with a U-shaped seat (16).

6. A quarto optical slit according to claim 1, characterized in that a rack (14) is fixedly attached to the bottom side of the opening plate (1), and the helical gear (7) is engaged with the corresponding rack (14).