CN220154669U

CN220154669U - Diaphragm adjusting device

Info

Publication number: CN220154669U
Application number: CN202321509173.7U
Authority: CN
Inventors: 刘扬扬
Original assignee: Wuxi Quantum Sensing Technology Co ltd
Current assignee: Wuxi Quantum Sensing Technology Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-12-08
Anticipated expiration: 2033-06-13

Abstract

The utility model discloses a diaphragm adjusting device, which comprises: a housing having a receiving groove; the movable block is provided with a light beam hole and is movably arranged in the accommodating groove; and the adjusting mechanism is respectively connected with the shell and the moving block and is suitable for adjusting the position of the light beam hole. The aperture position of the diaphragm can be adjusted at will by the diaphragm adjusting device disclosed by the utility model so as to meet the actual use requirements of users.

Description

Diaphragm adjusting device

Technical Field

The utility model relates to the technical field of optical equipment, in particular to a diaphragm adjusting device.

Background

In the related art. An iris diaphragm is a basic component used in an optical system. In particular, the iris includes an aperture of adjustable size to allow the luminous flux, field of view, and depth of field to be controlled and to enable light scattering to be prevented, resulting in improvement of image quality.

However, in the prior art, the aperture position of the diaphragm cannot be adjusted, so that the use requirement of a user cannot be met.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a diaphragm adjusting device that can arbitrarily adjust the aperture position of a diaphragm to meet the actual use demands of users.

According to the utility model, the diaphragm adjusting device comprises:

a housing having a receiving groove;

the movable block is provided with a light beam hole and is movably arranged in the accommodating groove;

and the adjusting mechanism is respectively connected with the shell and the moving block and is suitable for adjusting the position of the light beam hole.

According to the diaphragm adjusting device provided by the utility model, the adjusting mechanism is arranged and is respectively connected with the shell and the moving block, so that the moving block can be driven by the adjusting mechanism to move along the length direction or the width direction of the shell by driving the adjusting mechanism, the position of the beam hole in the accommodating groove can be adjusted at will, and the actual use requirement of a user can be met. In addition, the diaphragm adjusting device provided by the utility model has the advantages of simple structure, convenience in operation, lower production and manufacturing cost and better stability and reliability.

In some examples of the utility model, the adjustment mechanism includes:

a first adjustment assembly arranged along a first direction, the first adjustment assembly adapted to adjust a position of the beam aperture along the first direction;

a second adjustment assembly arranged along a second direction, the second adjustment assembly adapted to adjust the position of the beam aperture along the second direction;

the first direction is perpendicular to the second direction.

In some examples of the utility model, the first adjustment assembly includes:

a first knob rotatably connected with a first sidewall of the accommodating groove in the first direction, and adapted to abut against the moving block to drive the moving block to move in the first direction;

the first elastic piece is arranged between the moving block and the second side wall of the accommodating groove in the first direction;

the movement direction of the first knob and the first elastic member is parallel to the first direction.

In some examples of the utility model, the first adjustment assembly further comprises:

the first limiting plate is arranged between the first knob and the moving block, and the first knob drives the moving block to move through the first limiting plate.

In some examples of the utility model, the second adjustment assembly includes:

a second knob rotatably connected with a third side wall of the accommodating groove in the second direction, and adapted to abut against the moving block to drive the moving block to move in the second direction;

the second elastic piece is arranged between the moving block and the fourth side wall of the accommodating groove in the second direction;

the movement direction of the second knob and the second elastic piece is parallel to the second direction.

In some examples of the utility model, the second adjustment assembly further comprises:

the second limiting plate is arranged between the second knob and the moving block, and the second knob drives the moving block to move through the second limiting plate.

In some examples of the utility model, the housing has a first mounting hole extending through opposite sides of the first sidewall, the first mounting hole adapted to mount the first knob.

In some examples of the utility model, the housing has a second mounting hole extending through opposite sides of the third sidewall, the second mounting hole adapted to mount the second knob.

In some examples of the utility model, the central axis of the beam aperture coincides with the center of the moving mass.

In some examples of the utility model, the diaphragm adjusting apparatus further includes:

the cover plate is arranged at the opening of the accommodating groove and is provided with a through hole, the through hole and the light beam hole are correspondingly arranged, and the projection of the light beam hole on the cover plate is positioned in the through hole.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a diaphragm adjusting device according to an embodiment of the present utility model;

fig. 2 is a schematic view of a part of a structure of a diaphragm adjusting device according to an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional view of a diaphragm adjusting apparatus according to an embodiment of the present utility model.

Reference numerals illustrate:

10-diaphragm adjusting device;

110-a housing;

111-a receiving groove;

112-a first sidewall;

113-a second sidewall;

114-a third sidewall;

115-fourth side wall;

120-moving blocks;

121-a beam aperture;

130-an adjustment mechanism;

130 a-a first adjustment assembly;

130 b-second adjusting assembly

131-a first knob;

132-a first elastic member;

133-a first limiting plate;

134-a second knob;

135-a second elastic member;

136-a second limiting plate;

140-cover plate;

141-through holes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Fig. 1 is a schematic structural view of a diaphragm adjusting device 10 according to an embodiment of the present utility model, fig. 2 is a schematic structural view of a portion of the diaphragm adjusting device 10 according to an embodiment of the present utility model, and fig. 3 is a schematic sectional view of the diaphragm adjusting device 10 according to an embodiment of the present utility model. A diaphragm adjusting apparatus 10 according to an embodiment of the present utility model is described below with reference to fig. 1 to 3, including: a housing 110, the housing 110 having an accommodating groove 111; the movable block 120, the movable block 120 has a beam hole 121, the movable block 120 is movably arranged in the accommodating groove 111; and an adjusting mechanism 130, wherein the adjusting mechanism 130 is respectively connected with the housing 110 and the moving block 120, and the adjusting mechanism 130 is suitable for adjusting the position of the beam hole 121.

Specifically, the case 110 may be constructed in a rectangular-shaped structure, the receiving groove 111 may be provided inside the case 110 in an integrally formed manner, and the receiving groove 111 may penetrate opposite sides of the case 110 in a thickness direction of the case 110. The receiving groove 111 may be constructed in a rectangular structure, and the center of the receiving groove 111 and the center of the case 110 may coincide. The moving block 120 may be movably disposed in the receiving groove 111, and the moving block 120 may be constructed in a rectangular structure. The beam hole 121 may be provided at a central position of the moving block 120 by an integral molding manner, and the beam hole 121 may penetrate through opposite sides of the moving block 120 in a thickness direction thereof. The beam aperture 121 may be configured as a circular aperture, and the beam aperture 121 may be used for light source passing. The adjustment mechanism 130 may be connected to the housing 110 and the moving block 120, respectively, such as: part of the structure of the adjusting mechanism 130 can be sleeved in the shell 110 and can rotate freely relative to the shell 110; another part of the structure in the adjusting mechanism 130 may be connected to the moving block 120 by means of abutment or fixed connection, etc. The adjustment mechanism 130 can drive the moving block 120 to move along the length direction of the casing 110, and the adjustment mechanism 130 can also drive the moving block 120 to move along the width direction of the casing 110, so that the displacement of the moving block 120 can be adjusted in real time through the adjustment mechanism 130, so that the position of the beam hole 121 can be adjusted at will, and the actual use requirement of a user can be met.

The longitudinal direction of the housing 110 may be the direction indicated by X in fig. 1, and the width direction of the housing 110 may be the direction indicated by Y in fig. 1.

According to the diaphragm adjusting device 10 provided by the embodiment of the utility model, the adjusting mechanism 130 is arranged, and the adjusting mechanism 130 is respectively connected with the shell 110 and the moving block 120, so that the moving block 120 can be driven by the adjusting mechanism 130 to move along the length direction or the width direction of the shell 110 by driving the adjusting mechanism 130, thereby realizing the random adjustment of the position of the beam hole 121 in the accommodating groove 111, and further meeting the actual use requirement of a user. In addition, the diaphragm adjusting device 10 provided by the embodiment of the utility model has the advantages of simple structure, convenient operation, lower production and manufacturing cost and better stability and reliability.

With continued reference to fig. 1-3, according to one embodiment of the utility model, the adjustment mechanism 130 includes: a first adjustment assembly 130a, the first adjustment assembly 130a being arranged along a first direction, the first adjustment assembly 130a being adapted to adjust the position of the beam aperture 121 along the first direction; a second adjustment assembly 130b, the second adjustment assembly 130b being arranged along a second direction, the second adjustment assembly 130b being adapted to adjust the position of the beam aperture 121 along the second direction; the first direction is perpendicular to the second direction.

Specifically, the first direction may be parallel to the length direction of the housing 110, that is, the first direction may be the direction indicated by X in fig. 1; the second direction may be parallel to the width direction of the case 110, that is, the second direction may be the direction indicated by Y in fig. 2. The axial direction of the first adjustment assembly 130a may be parallel to the first direction, and the first adjustment assembly 130a may be moved along the first direction, so that the position of the beam hole 121 in the first direction may be dynamically adjusted by controlling the first adjustment assembly 130a to drive the moving block 120 to move along the first direction.

The axial direction of the second adjusting assembly 130b may be parallel to the second direction, and the second adjusting assembly 130b may be moved along the second direction, so that the position of the beam hole 121 in the second direction may be dynamically adjusted by controlling the second adjusting assembly 130b to drive the moving block 120 to move along the second direction.

With continued reference to fig. 1-3, according to yet another embodiment of the present utility model, the first adjustment assembly 130a includes: a first knob 131 rotatably connected with the first sidewall 112 of the receiving groove 111 in the first direction, and the first knob 131 is adapted to abut against the moving block 120 to drive the moving block 120 to move in the first direction; a first elastic member 132, the first elastic member 132 being disposed between the moving block 120 and the second sidewall 113 of the receiving groove 111 in the first direction; the movement direction of the first knob 131 and the first elastic member 132 is parallel to the first direction.

Specifically, the first knob 131 may be configured in a rod-shaped structure, the first knob 131 may be movably sleeved in the first sidewall 112, and the first knob 131 may be screwed in or out with respect to the first sidewall 112. One end of the first knob 131 may be abutted with the moving block 120 through the first sidewall 112, and the other end of the first knob 131 facing away from the moving block 120 is disposed outside the housing 110 for rotation by a user. The first elastic member 132 may be configured as a spring, and the number of the first elastic members 132 may be one, two or more, and thus, embodiments of the present utility model are not particularly limited. The following examples are explained by taking two examples. The two first elastic members 132 may be arranged in parallel, and the two first elastic members 132 may abut between the moving block 120 and the second sidewall 113. One end of the two first elastic members 132 may be fixedly connected to a side wall of the moving block 120 facing away from the first knob 131, and the other end of the two first elastic members 132 may movably abut against the second side wall 113. Along the first direction, the two first elastic members 132 may apply an elastic force to the moving block 120. So configured, the position of the moving block 120 in the first direction may be adjusted in real time by the co-operation of the first knob 131 and the first elastic member 132, so that the position of the beam hole 121 in the first direction may be adjusted.

With continued reference to fig. 1-3, according to yet another embodiment of the present utility model, the first adjustment assembly 130a further includes: the first limiting plate 133 is disposed between the first knob 131 and the moving block 120, and the first knob 131 drives the moving block 120 to move through the first limiting plate 133.

Specifically, the first limiting plate 133 may be configured in a plate-like structure, and an extending direction of the first limiting plate 133 may be parallel to the second direction. The first limiting plate 133 may be fixedly connected to the first knob 131 by screwing or riveting. One side of the first limiting plate 133, which deviates from the first knob 131, can be abutted against the other side of the moving block 120, which deviates from the first elastic piece 132, so that the first knob 131 can drive the moving block 120 to move through the first limiting plate 133 while rotating, and therefore the gesture of the moving block 120 in the moving process can be ensured not to change through the first limiting plate 133.

With continued reference to fig. 1-3, in accordance with an alternative embodiment of the present utility model, the second adjustment assembly 130b includes: a second knob 134, the second knob 134 being rotatably connected with the third sidewall 114 of the receiving groove 111 in the second direction, and the second knob 134 being adapted to abut against the moving block 120 to drive the moving block 120 to move in the second direction; a second elastic member 135, the second elastic member 135 being disposed between the moving block 120 and the fourth sidewall 115 of the receiving groove 111 in the second direction; the movement direction of the second knob 134 and the second elastic member 135 is parallel to the second direction.

Specifically, the second knob 134 may also be configured in a rod-like structure, and the second knob 134 and the first knob 131 may be identical in shape, size, and structure. The second knob 134 may be movably sleeved in the third sidewall 114, and the second knob 134 may be screwed in or out with respect to the third sidewall 114. One end of the second knob 134 may be abutted with the moving block 120 through the third sidewall 114, and the other end of the second knob 134 facing away from the moving block 120 is disposed outside the housing 110 for rotation by a user. The second elastic member 135 and the first elastic member 132 are identical in shape, size, and structure. That is, the second elastic member 135 may be configured as a spring, and the number of the second elastic members 135 may be one, two or more, which is not particularly limited. The following examples are explained by taking two examples. The two second elastic members 135 may be arranged in parallel, and the two second elastic members 135 may abut between the moving block 120 and the fourth sidewall 115. One end of the two second elastic members 135 may be fixedly connected to a side wall of the moving block 120 facing away from the second knob 134, and the other end of the two second elastic members 135 may movably abut against the fourth side wall 115. Along the second direction, the two second elastic members 135 may apply elastic force to the moving block 120. So configured, the position of the moving block 120 in the second direction may be adjusted in real time by the co-operation of the second knob 134 and the second elastic member 135, so that the position of the beam hole 121 in the second direction may be adjusted.

With continued reference to fig. 1-3, according to a further embodiment of the present utility model, the second adjustment assembly 130b further includes: the second limiting plate 136, the second limiting plate 136 is disposed between the second knob 134 and the moving block 120, and the second knob 134 drives the moving block 120 to move through the second limiting plate 136.

Specifically, the second limiting plate 136 and the first limiting plate 133 may have the same shape, size, and structure. That is, the second limiting plate 136 may be configured in a plate-like structure, and the extending direction of the second limiting plate 136 may be parallel to the first direction. The second limiting plate 136 can be fixedly connected with the second knob 134 in a threaded connection or riveting mode, one side of the second limiting plate 136, deviating from the second knob 134, can be abutted against the other side of the moving block 120, deviating from the second elastic piece 135, and the second limiting plate 136 can drive the moving block 120 to move while rotating, so that the gesture of the moving block 120 in the moving process can be ensured not to change through the second limiting plate 136.

With continued reference to fig. 1-3, in an alternative form of the utility model, the housing 110 has first mounting holes (not shown) extending through opposite sides of the first sidewall 112, the first mounting holes being adapted to mount the first knob 131.

Specifically, the first mounting hole may be fixedly disposed on the first sidewall 112 in an integrally formed manner, and the shape and size of the first mounting hole may be matched with the first knob 131, and the axial direction of the first mounting hole may be parallel to the first direction. Internal threads (not shown) can be arranged in the first mounting hole, external threads (not shown) matched with the internal threads can be arranged on part of the outer side wall of the first knob 131, and the first knob 131 can be movably arranged in the first mounting hole in a threaded connection mode, so that the first knob 131 can be screwed in or out of the first mounting hole, and the position of the light beam hole 121 can be dynamically adjusted.

With continued reference to fig. 1-3, in some examples of the utility model, the housing 110 has second mounting holes (not shown) extending through opposite sides of the third sidewall 114, the second mounting holes being adapted to mount the second knob 134.

Specifically, the second mounting hole may be fixedly disposed on the third sidewall 114 in an integrally formed manner, and the shape and size of the second mounting hole may be matched with the second knob 134, and the axial direction of the second mounting hole may be parallel to the second direction. Internal threads (not shown) may be disposed in the second mounting hole, external threads (not shown) matching the internal threads may be disposed on a portion of an outer sidewall of the second knob 134, so that the second knob 134 may be movably disposed in the second mounting hole in a threaded connection manner, so that the second knob 134 may be screwed in or out of the second mounting hole, thereby dynamically adjusting the position of the beam hole 121.

With continued reference to fig. 1-3, in some possible implementations of the utility model, the central axis of the beam aperture 121 coincides with the center of the moving mass 120. By the arrangement, the vertical distance between the beam hole 121 and the peripheral edge of the moving block 120 can be ensured to be the same, so that the position adjusting range of the beam hole 121 can be fixed.

With continued reference to fig. 1, in some embodiments of the present utility model, the diaphragm adjusting apparatus 10 further includes: the cover plate 140 is disposed at the opening of the accommodating groove 111, the cover plate 140 has a through hole 141, the through hole 141 is disposed corresponding to the beam hole 121, and the projection of the beam hole 121 on the cover plate 140 is located in the through hole 141.

Specifically, the cover plate 140 may be constructed in a plate-shaped structure, and the cover plate 140 may be provided at an opening position of the receiving groove 111 by screwing or riveting or the like. The through hole 141 may be fixedly provided at the center of the cap plate 140 by an integral molding. The through-hole 141 and the cap plate 140 may each be constructed in a rectangular structure. The position adjustment range of the light beam hole 121 may be located in the through hole 141, so that the light source may pass through the light beam hole 121 and pass out of the through hole 141 after the cover plate 140 closes the opening of the receiving groove 111, thereby preventing the cover plate 140 from interfering with the light beam hole 121.

Other configurations of the diaphragm adjusting apparatus 10 according to the embodiment of the present utility model are, for example: internal threads, external threads, light sources, etc. and the operation thereof are known to those skilled in the art and will not be described in detail herein.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A diaphragm adjusting apparatus, characterized by comprising:

a housing having a receiving groove;

2. The diaphragm adjustment device of claim 1, wherein said adjustment mechanism comprises:

the first direction is perpendicular to the second direction.

3. The diaphragm adjustment device of claim 2, wherein said first adjustment assembly comprises:

4. A diaphragm adjustment device according to claim 3, wherein the first adjustment assembly further comprises:

5. The diaphragm adjustment device of claim 2, wherein said second adjustment assembly comprises:

6. The diaphragm adjustment device of claim 5, wherein said second adjustment assembly further comprises:

7. A diaphragm adjustment device according to claim 3, wherein the housing has first mounting holes extending through opposite sides of the first side wall, the first mounting holes being adapted to mount the first knob.

8. The diaphragm adjustment device of claim 6, wherein said housing has a second mounting hole extending through opposite sides of said third sidewall, said second mounting hole being adapted to mount said second knob.

9. The diaphragm adjusting apparatus according to any one of claims 1 to 8, wherein a central axis of the beam aperture coincides with a center of the moving block.

10. The diaphragm adjusting apparatus according to any one of claims 1 to 8, further comprising: