CN210803839U

CN210803839U - Electric linear adjusting diaphragm

Info

Publication number: CN210803839U
Application number: CN201922209102.5U
Authority: CN
Inventors: 孟亮; 许淑华
Original assignee: Shandong Yunke Instrument Co ltd
Current assignee: Shandong Yunke Instrument Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-06-19
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses an electronic linear regulation diaphragm, including adjusting the diaphragm body, adjust the diaphragm body and include the base, including a motor, an end cap, a controller, and a cover plate, the shaft coupling, the worm wheel, manual diaphragm, diaphragm fixture and dustcoat, the top and the dustcoat of base pass through fixing bolt threaded connection, the inside and the motor fixed connection of base, the output of motor is connected with the shaft coupling, the one end of shaft coupling is connected with the worm, the worm is connected with worm wheel drive meshing, one side of worm wheel is connected with the absorption pool support on the manual diaphragm, mount and diaphragm fixture fixed connection on the manual diaphragm, diaphragm fixture is connected with the dustcoat through the screw. The utility model discloses a motor and limit switch that are equipped with, circular telegram back, control procedure automatic execution can realize the enlargeing of radial distance and reduce, realizes the big or small change in clear aperture.

Description

Electric linear adjusting diaphragm

Technical Field

The utility model belongs to the light path field of adjusting among the optical system relates to an adjust the diaphragm, in particular to electronic linear regulation diaphragm.

Background

In an integrating sphere uniform light source testing system, the luminous flux of a light source is often required to be adjusted, and meanwhile, the color temperature of the light source cannot be changed, so that the function of the integrating sphere uniform light source testing system is required to be realized by a mechanical structure mode and a diaphragm. At present, diaphragms are roughly divided into two forms, namely fixed diaphragms and movable diaphragms, most of the movable diaphragms are adjusted in a manual mode, electric adjustment diaphragms are mainly adjusted aiming at single-path light, and light blocking parts of the diaphragms basically absorb light beams and block the light in a mode of an absorption pool.

Under different light source environments, such as the light path adjustment with larger laser power, the fixed diaphragm and the manual diaphragm are inconvenient to adjust, dangerous, low in positioning accuracy, incapable of realizing continuous adjustment, incapable of realizing linear change of the diaphragm aperture, and meanwhile, in the working state of the system, the manual adjustment is usually not allowed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic linear adjustment diaphragm to solve the fixed diaphragm that proposes in the above-mentioned background art and adjust the problem that inconvenient, adjust dangerous, positioning accuracy is not high can not linear change and continuous variation and system operating condition be adjusted under with manual adjustment diaphragm in the higher light path of power.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an electronic linear adjustment diaphragm, is including adjusting the diaphragm body, it includes base, motor, shaft coupling, worm wheel, manual diaphragm, diaphragm fixture and dustcoat to adjust the diaphragm body, the top of base passes through fixing bolt threaded connection with the dustcoat, the inside and the motor fixed connection of base, the output of motor is connected with the shaft coupling, the one end of shaft coupling is connected with the worm, the worm is connected with worm wheel transmission meshing, one side of worm wheel is connected with the absorption pool support on the manual diaphragm, mount and diaphragm fixture fixed connection on the manual diaphragm, diaphragm fixture is connected with the dustcoat through the screw.

As a preferred technical scheme of the utility model, adjust the diaphragm body and still include far and near stop device, far and near stop device includes first limit baffle and second limit baffle, first limit baffle and second limit baffle all with base fixed connection, first limit baffle and second limit baffle are located the both sides of manual diaphragm.

As an optimal technical scheme of the utility model, limit switch is installed to one side of base, just limit switch's probe ring position is located the output shaft of motor.

As a preferred technical scheme of the utility model, one side fixed mounting of base inside has two high accuracy bearing assembly, two interval between the high accuracy bearing assembly is greater than the diameter of worm.

As an optimal technical scheme of the utility model, motor, limit switch and two high accuracy bearing components are all through the nine core terminals and the external power supply electric connection that correspond.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to an electronic linear regulation diaphragm, through motor and the limit switch who is equipped with, the circular telegram back, control procedure automatic execution, the motor passes through bearing assembly and drives the shaft coupling, shaft coupling transmission torque to worm, the worm is rotatory to be driven the worm wheel and is rotated, the diaphragm circle of being connected with the worm wheel realizes rotating, diaphragm outer lane connection diaphragm group's one end stirs the change that diaphragm group's one side pin realized the displacement, and then realize radial distance's enlargeing and reducing, realize the big or small change in clear aperture.

Drawings

Fig. 1 is a schematic front structural view of an electric linear adjusting diaphragm according to the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of an electric linear adjusting diaphragm according to the present invention.

In the figure: 1. a base; 2. a motor; 3. a coupling; 4. a worm; 5. a worm gear; 6. a manual diaphragm; 7. a diaphragm clamping mechanism; 8. a housing; 9. a limit switch; 10. a high precision bearing assembly; 11. a first limit baffle; 12. and a second limit baffle.

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. 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.

Please refer to fig. 1-2, the utility model provides an electronic linear regulation diaphragm, including adjusting the diaphragm body, adjust the diaphragm body and include base 1, motor 2, shaft coupling 3, worm 4, worm wheel 5, manual diaphragm 6, diaphragm fixture 7 and dustcoat 8, the top and the dustcoat 8 of base 1 pass through fixing bolt threaded connection, the inside and the motor 2 fixed connection of base 1, motor 2's output is connected with shaft coupling 3, the one end of shaft coupling 3 is connected with worm 4, worm 4 is connected with worm wheel 5 transmission meshing, one side of worm wheel 5 is connected with the absorption pond support on the manual diaphragm 6, mount and diaphragm fixture 7 fixed connection on the manual diaphragm 6, diaphragm fixture 7 is connected with dustcoat 8 through the screw.

Preferably, adjust the diaphragm body and still include far and near stop device, far and near stop device includes first limit baffle 11 and second limit baffle 12, first limit baffle 11 and second limit baffle 12 all with base 1 fixed connection, first limit baffle 11 and second limit baffle 12 are located the both sides of manual diaphragm 6, can control the scope in 6 apertures of manual diaphragm, realize effectively stopping, prevent to damage the diaphragm.

Preferably, limit switch (9) is installed to one side of base 1, just limit switch's (9) probe ring position is located the output shaft of motor 2, is convenient for linear adjustment manual diaphragm 6's aperture.

Preferably, two high-precision bearing assemblies 10 are fixedly mounted on one side inside the base 1, the distance between the two high-precision bearing assemblies 10 is larger than the diameter of the worm 4, and the two high-precision bearing assemblies 10 are matched with the motor 2 to find a zero point.

Preferably, the motor 2, the limit switch 9 and the two high-precision bearing assemblies 10 are electrically connected with an external power supply through corresponding nine-core terminals, so that the operation and control of workers are facilitated.

When specifically using, the utility model relates to an electronic linear adjustment diaphragm, in the optical system debugging, adjust the break-make of light beam, at first make motor 2, limit switch 9 and two high accuracy bearing assembly 10 circular telegrams, control program automatic execution, motor 2 looks for zero point under high accuracy bearing assembly 10's cooperation, motor 2 drives worm 4 through shaft coupling 3 and rotates, worm 4 is connected with 5 transmission meshing of worm wheel, make worm wheel 5 drive manual diaphragm 6's absorption cell support move, realize the change in diaphragm aperture. When the absorption cell support on the manual diaphragm 6 is in the middle position, the two lights are both in the conduction state, when the light path on the left side is required to be conducted, the absorption cell support on the manual diaphragm 6 is in the right position, and when the light path on the right side is required to be conducted, the absorption cell support on the manual diaphragm 6 is in the left position, so that the adjustment is convenient, and the positioning accuracy is high. The range of the aperture of the manual diaphragm 6 is blocked by the first limiting baffle 11 and the second limiting baffle 12, so that effective stop can be realized, and diaphragm pieces are prevented from being damaged; meanwhile, the whole optical system has good absorption and heat dissipation conditions, and the optical system can realize the on-off regulation of single-path light and double-path light under the working state.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electronic linear adjustment diaphragm, includes the regulation diaphragm body, its characterized in that, the regulation diaphragm body includes base (1), motor (2), shaft coupling (3), worm (4), worm wheel (5), manual diaphragm (6), diaphragm fixture (7) and dustcoat (8), the top and dustcoat (8) of base (1) pass through fixing bolt threaded connection, the inside and motor (2) fixed connection of base (1), the output of motor (2) is connected with shaft coupling (3), the one end of shaft coupling (3) is connected with worm (4), worm (4) are connected with worm wheel (5) transmission meshing, one side of worm wheel (5) is connected with the absorption tank support on manual diaphragm (6), mount and diaphragm fixture (7) fixed connection on manual diaphragm (6), the diaphragm clamping mechanism (7) is connected with the outer cover (8) through screws.

2. An electrically linear adjustable diaphragm according to claim 1, characterized in that: adjust diaphragm body and still include far and near stop device, far and near stop device includes first limit baffle (11) and second limit baffle (12), first limit baffle (11) and second limit baffle (12) all with base (1) fixed connection, first limit baffle (11) and second limit baffle (12) are located the both sides of manual diaphragm (6).

3. An electrically linear adjustable diaphragm according to claim 1, characterized in that: a limit switch (9) is installed on one side of the base (1), and the probe ring part of the limit switch (9) is located on the output shaft of the motor (2).

4. An electrically linear adjustable diaphragm according to claim 3, characterized in that: two high-precision bearing assemblies (10) are fixedly mounted on one side of the interior of the base (1), and the distance between the two high-precision bearing assemblies (10) is larger than the diameter of the worm (4).

5. An electrically linear adjustable diaphragm according to claim 4, characterized in that: the motor (2), the limit switch (9) and the two high-precision bearing assemblies (10) are electrically connected with an external power supply through corresponding nine-core terminals.