CN212846098U

CN212846098U - Imaging zooming front barrel

Info

Publication number: CN212846098U
Application number: CN202021986082.9U
Authority: CN
Inventors: 王新晓
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-03-30
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses an imaging zooming front barrel, which comprises a first barrel, a second barrel arranged on the upper part of the first barrel, and a base arranged on the lower part of the first barrel; a light cutting sheet group is arranged in the base; a first optical lens is arranged in the first cylinder in a sliding manner; a second optical lens is arranged in the second cylinder in a sliding manner; the first optical lens and the second optical lens are matched with each other to realize zooming. Through rotating the outer barrel of first outer barrel and second, just can make first optical lens and the second optical lens that sets up in barrel and second in first move, accomplish the focus of formation of image lamps and lanterns and adjust, the size of convenient change facula. Through groove and bar track inject the stationary dog moving path through the arc, make optical lens's removal more stable, it is more accurate to the regulation of focus.

Description

Imaging zooming front barrel

Technical Field

The utility model relates to an optical lens technical field specifically is an imaging zooms a preceding section of thick bamboo.

Background

Along with the continuous progress of society, the entertainment activities of people are more and more, and more abundant, the theater lamp is one of the essential equipment of theater lighting system, and the wide application is in various casinos and large-scale performance, and it can produce various light effects under the control of control system, has strengthened the performance effect, and very big degree has improved ornamental property, and the theater lamps and lanterns can be divided into three kinds according to the effect that it realized basically: pattern lights, beam lights and soft lights. The pattern lamp generally requires that the projected light spots are uniform and have clearer boundaries, and the projected patterns are rich and colorful and have various effects.

However, most of the existing theater lamps in the market do not have a focusing structure, the focusing is performed manually by feeling, a great amount of time is spent for adjusting the stage lamps to achieve the best effect, the use is very inconvenient, and the consumed time is longer once a large stage is encountered. Therefore, the need of developing a theater lamp with a focusing structure is high, which not only can accelerate the focusing speed, but also has higher focusing precision, and meanwhile, the structure is simple, the cost is reduced, and the rapid market promotion is facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that above-mentioned prior art exists, provide a formation of image before zooming.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

an imaging zooming front barrel comprises a first barrel body, a second barrel body arranged at the upper part of the first barrel body, and a base arranged at the lower part of the first barrel body; a light cutting sheet group is arranged in the base; a first optical lens is arranged in the first cylinder in a sliding manner; a second optical lens is arranged in the second cylinder in a sliding manner; the first optical lens and the second optical lens are matched with each other to realize zooming.

Further, the first optical lens is clamped in a first clamping ring; a first fixed claw is arranged on the first clamping ring; the second optical lens is clamped in a second clamping ring; and a second fixed claw is arranged on the second clamping ring.

Further, the first cylinder comprises a first inner cylinder and a first outer cylinder sleeved outside the first inner cylinder; a plurality of first arc-shaped through grooves are formed in the side wall of the first inner cylinder body; the first arc-shaped through groove extends from the bottom of the first inner cylinder body to the upper part of the first inner cylinder body in an inclined mode; a first strip-shaped track parallel to the axial direction of the first outer cylinder is arranged on the inner wall of the first outer cylinder; the first fixing claw penetrates through the first arc-shaped through groove to be slidably arranged in the first strip-shaped track.

Further, the second cylinder comprises a second inner cylinder and a second outer cylinder sleeved outside the first inner cylinder; a plurality of second arc-shaped through grooves are formed in the side wall of the second inner cylinder body; the second arc-shaped through groove extends from the bottom of the second inner cylinder body to the upper part of the second inner cylinder body in an inclined mode; a second strip-shaped track parallel to the axial direction of the second outer cylinder body is arranged on the inner wall of the second outer cylinder body; and the second fixed claw passes through the second arc-shaped through groove and is arranged in the second strip-shaped track in a sliding manner.

Further, the light cutting sheet of the light cutting sheet group comprises a semicircular light cutting sheet; the arc-shaped edge of the semicircular light cutting plate is connected with a strip-shaped plate; the strip-shaped plate passes through a strip-shaped hole formed in the side wall of the connecting seat and is connected with the handle.

Furthermore, the upper part of the light cutting sheet group is provided with a second white circle, and the lower part of the light cutting sheet group is provided with a first white circle and a white circle pressing ring; the first white circle, the second white circle and the white circle pressing ring clamp and press the light cutting sheet group.

Furthermore, the base comprises a connecting seat, the connecting seat is an annular seat, and the lower part of the connecting seat is provided with a plurality of bulges; the connecting seat is buckled with the case through the bulge.

The utility model has the advantages that:

through rotating the outer barrel of first outer barrel and second, just can make first optical lens and the second optical lens that sets up in barrel and second in first move, accomplish the focus of formation of image lamps and lanterns and adjust, the size of convenient change facula. Through groove and bar track inject the stationary dog moving path through the arc, make optical lens's removal more stable, it is more accurate to the regulation of focus.

Drawings

Fig. 1 is a schematic structural diagram of the manual zoom system of the present invention;

fig. 2 is an exploded view of the manual zoom system of the present invention;

fig. 3 is a top view of the manual zoom system of the present invention.

In the figure: 1-color chip, 2-annular end cover, 3-third ring body, 4-second optical lens, 5-fourth ring body, 6-second inner cylinder body, 7-annular connecting piece, 8-first ring body, 9-first optical lens, 10-second ring body, 11-first inner cylinder body, 12-second outer cylinder body, 13-first outer cylinder body, 14-fixing ring, 15-second white circle, 16-light cutting sheet group, 17-first white circle, 18-white circle pressing ring and 19-connecting seat.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1-3, for the present invention provides an imaging zoom front barrel, which includes a first barrel, a second barrel disposed on the upper portion of the first barrel, and a base disposed on the lower portion of the first barrel.

Referring to fig. 2, the base includes a connecting seat 19, the connecting seat 19 is an annular seat, and a plurality of protrusions are disposed on a lower portion of the annular seat, and the connecting seat 19 is fastened to the chassis through the protrusions; a support ring is arranged on the inner wall of the support ring; the upper part of the connecting rod is provided with an external thread.

The support ring is provided with a white circle pressing ring 18, a first white circle 17, a light cutting sheet group 16 and a plurality of second white circles 15 from bottom to top in sequence. The white circle pressing ring 18, the first white circle 17 and the second white circle 15 tightly press and fix the light cutting sheet group 16.

The light cutting piece in the light cutting piece group 16 comprises a semicircular light cutting plate, a strip-shaped plate is connected to the arc-shaped edge of the semicircular light cutting plate, and the strip-shaped plate penetrates through a strip-shaped hole formed in the side wall of the connecting base 19 and is connected with the handle.

The first barrel comprises a first inner barrel 11 and a first outer barrel 13 sleeved outside the first inner barrel 11.

Barrel 11 sets up on white circle 15 in first, and solid fixed ring 14 cover is established on barrel 11 in first to through the external screw thread screw-on connection on internal thread and the upper portion of connecting seat 19, compress tightly white circle clamping ring 18, first white circle 17, cut the diaphragm group 16, a plurality of white circles 15 and barrel 11 in first and fix on connecting seat 19.

A plurality of first arc through grooves are formed in the side wall of the first inner barrel body 11, and the first arc through grooves extend to the upper portion of the first inner barrel body 11 from the bottom of the first inner barrel body 11 in an inclined mode.

The inner wall of the first outer cylinder body 13 is provided with a first strip-shaped track, and the first strip-shaped track is parallel to the axial direction of the first outer cylinder body 13.

A first optical lens assembly is arranged in the first inner cylinder 11, the first optical lens assembly comprising a first optical lens 9 and a first clamping ring for clamping the first optical lens 9.

The first clamping ring comprises a first ring body 8 and a second ring body 10, wherein the first ring body 8 and the second ring body 10 are buckled to clamp the first optical lens 9.

The edge of the first clamping ring is provided with a first fixing claw, and the first fixing claw penetrates through the first arc-shaped through groove to be arranged in the first strip-shaped track and can slide in the first strip-shaped track.

When the first outer cylinder 13 is rotated, the first outer cylinder 13 rotates relative to the first inner cylinder 11, and the first fixing claw slides in the first arc-shaped through groove and the first bar-shaped groove at the same time, so as to drive the first optical lens assembly to approach or be far away from the light cutting sheet group 16.

The second cylinder comprises a second inner cylinder 6 and a second outer cylinder 12 sleeved outside the second inner cylinder 6.

Barrel 6's lateral wall has seted up a plurality of second arcs on the second and has led to the groove, and barrel 6 bottom slope extends to the upper portion of barrel 6 in the second is led to the groove from the second to the second arc.

The inner wall of the second outer cylinder body 12 is provided with a second strip-shaped track, and the second strip-shaped track is parallel to the axial direction of the second outer cylinder body 12.

A second optical lens assembly is arranged in the second inner cylinder 6, the second optical lens assembly comprising a second optical lens 4 and a second clamping ring for clamping the second optical lens 4.

The second clamping ring comprises a third ring body 3 and a fourth ring body 5, the second ring body 3 and the fourth ring body 5 are buckled, and the second optical lens 4 is clamped in the second clamping ring.

The edge of the second clamping ring is provided with a second fixed claw, and the second fixed claw passes through the second arc-shaped through groove and is arranged in the second strip-shaped track and can slide in the second strip-shaped track.

When rotating the second outer barrel 12, the second outer barrel 12 rotates for the second inner barrel 6, and the second fixing claw slides in the second arc-shaped through groove and the second strip-shaped groove at the same time to drive the second optical lens 4 to be close to or far away from the first optical lens 9.

The first cylinder and the second cylinder are connected by an annular connecting piece 7.

Annular connecting piece 7 includes the body, and the outer wall middle part of body is equipped with first annular boss, and inner wall upper portion is equipped with the internal thread. The lower part of the body is fixedly connected with the upper part of the first inner cylinder body 11, and the upper part is connected with the second inner cylinder body 6 through internal threads.

The end part of the second cylinder body is provided with an annular end cover 2, and the annular end cover 2 is fixedly connected with the second inner cylinder body 6.

The side wall of the annular end cover 2 is provided with an annular bulge, and the annular bulge and a first annular boss on the annular connecting piece 7 limit the second outer cylinder body 12 on the second inner cylinder body 6. The annular end cover 2 is also fixed with a color chip 1 through a color cast clamp.

The working principle is as follows:

during the use, will form images through connecting seat 19 and zoom the front barrel and install on quick-witted case, rotate first outer barrel 13 and second outer barrel 12 respectively, make and set up and remove at the inside first optical lens 9 of first barrel, the inside second optical lens 4 that sets up at the second barrel, and then realize the adjustment to the facula size of the light that led lamp sent, make it accord with the user demand.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. An imaging zoom front barrel, characterized in that: comprises a first cylinder, a second cylinder arranged on the upper part of the first cylinder and a base arranged on the lower part of the first cylinder; a light cutting sheet group (16) is arranged in the base; a first optical lens (9) is arranged in the first cylinder in a sliding manner; a second optical lens (4) is arranged in the second cylinder in a sliding manner; the first optical lens (9) and the second optical lens (4) are matched with each other to realize zooming.

2. The imaging zoom front barrel of claim 1, wherein: the first optical lens (9) is clamped in a first clamping ring; a first fixed claw is arranged on the first clamping ring; the second optical lens (4) is clamped in a second clamping ring; and a second fixed claw is arranged on the second clamping ring.

3. The imaging zoom front barrel of claim 2, wherein: the first cylinder comprises a first inner cylinder (11) and a first outer cylinder (13) sleeved outside the first inner cylinder (11); a plurality of first arc-shaped through grooves are formed in the side wall of the first inner cylinder (11); the first arc-shaped through groove extends from the bottom of the first inner cylinder (11) to the upper part of the first inner cylinder in an inclined manner; a first strip-shaped track parallel to the axial direction of the first outer cylinder (13) is arranged on the inner wall of the first outer cylinder (13); the first fixing claw penetrates through the first arc-shaped through groove to be slidably arranged in the first strip-shaped track.

4. The imaging zoom front barrel of claim 2, wherein: the second cylinder comprises a second inner cylinder (6) and a second outer cylinder (12) sleeved outside the second inner cylinder (6); a plurality of second arc-shaped through grooves are formed in the side wall of the second inner cylinder (6); the second arc-shaped through groove extends from the bottom of the second inner cylinder (6) to the upper part of the second inner cylinder in an inclined manner; a second strip-shaped track parallel to the axial direction of the second outer cylinder (12) is arranged on the inner wall of the second outer cylinder (12); and the second fixed claw passes through the second arc-shaped through groove and is arranged in the second strip-shaped track in a sliding manner.

5. The imaging zoom front barrel of claim 3 or 4, wherein: the light cutting sheet of the light cutting sheet group (16) comprises a semicircular light cutting sheet; the arc-shaped edge of the semicircular light cutting plate is connected with a strip-shaped plate; the strip-shaped plate passes through a strip-shaped hole formed in the side wall of the connecting seat (19) and is connected with the handle.

6. The imaging zoom front barrel of claim 5, wherein: the upper part of the light cutting sheet group (16) is provided with a second white circle (15), and the lower part is provided with a first white circle (17) and a white circle pressing ring (18); the first white circle (17), the second white circle (15) and the white circle pressing ring (18) clamp and press the light cutting sheet group (16).

7. The imaging zoom front barrel of claim 6, wherein: the base comprises a connecting seat (19), the connecting seat (19) is an annular seat, and a plurality of bulges are arranged at the lower part of the connecting seat; the connecting seat (19) is buckled with the case through the bulge.