Stop assembly and electronic equipment

The double-threaded rod design and the stop assembly detected by the sensor solve the balance and stability problems of the existing stop assembly in the optical system, realize the precise position adjustment and optical image stabilization function of the optical assembly, and improve the imaging quality and user experience.

CN223318185UActive Publication Date: 2025-09-09GUANGZHOU LUXVISIONS INNOVATION TECH LTD
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Patent Information

Application Number
CN202422784064.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-09-09
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

Existing stopper assemblies in optical systems have problems with poor balance and stability, which affects transmission accuracy and reliability.

Method used

It adopts a double-threaded rod design, with a drive shaft connecting the symmetrically arranged first and second threaded rods, using the first and second connecting parts to achieve synchronous rotation, and equipped with a sensor to detect the position to ensure the precise movement of the optical component.

Benefits of technology

It improves the balance and stability of the transmission, ensures the precise position adjustment of the optical components and the optical image stabilization function, and improves the imaging quality and user experience.

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Abstract

The embodiment of the utility model discloses a backstop assembly and an electronic device, the electronic assembly comprises a driving member provided with a driving shaft, two sides of the driving member are symmetrically provided with a first fixing member and a second fixing member, the first fixing member is in screwed connection with a first threaded rod, and the second fixing member is in screwed connection with a second threaded rod. The first threaded rod is connected with the first end of the driving shaft through a first connecting piece, the second threaded rod is connected with the second end of the driving shaft through a second connecting piece, the driving shaft drives the first connecting piece and the second connecting piece to rotate synchronously when rotating, and the first connecting piece drives the first threaded rod to rotate and move relative to the first fixing piece. The second connecting piece drives the second threaded rod to rotate and move relative to the second fixing piece, in the stop assembly, movement of the first threaded rod and the second threaded rod can drive and adjust the position of the optical assembly connected with the first threaded rod and the second threaded rod, and then efficient automatic focusing and optical anti-vibration functions are achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical equipment, in particular to a stopper component and an electronic device. Background Art

[0002] In modern optical systems, autofocus and optical image stabilization are crucial for improving image quality and user experience. The implementation of these functions relies on precise mechanical transmission and control systems. The stopper assembly is one of the key components, and its performance directly affects the positioning accuracy and motion stability of the optical assembly. Common stopper assemblies usually use a single-shaft motor design, and use a fixed screw to make the nut reciprocate linearly along the screw. However, this design performs poorly in terms of balance and stability. In addition, the motor is fixed to the mounting plate with screws, and the overall structural stability is low, which cannot effectively guarantee the transmission accuracy and reliability during focusing. Utility Model Content

[0003] In view of this, an object of the present invention is to provide a stopper assembly and an electronic device, which can effectively improve the balance and stability of transmission and improve the transmission accuracy.

[0004] In a first aspect, an embodiment of the present invention provides a stopper assembly, the stopper assembly comprising:

[0005] a drive member, including a drive shaft;

[0006] The first fixing member and the second fixing member are symmetrically located on both sides of the driving member, the first fixing member is provided with a first threaded hole inside, and the second fixing member is provided with a second threaded hole inside;

[0007] a first threaded rod and a second threaded rod, the first threaded rod being screwed to the first fixing member through a first threaded hole, and the second threaded rod being screwed to the second fixing member through a second threaded hole;

[0008] a first connecting member connecting the first end of the drive shaft and the first threaded rod;

[0009] a second connecting member connecting the second end of the drive shaft and the second threaded rod;

[0010] When the driving shaft rotates, the first connecting member and the second connecting member are driven to rotate synchronously. The first connecting member drives the first threaded rod to rotate and move relative to the first fixed member, and the second connecting member drives the second threaded rod to rotate and move relative to the second fixed member.

[0011] Furthermore, one end of the first threaded rod is provided with a first slot, and one end of the first connecting member is movably provided in the first slot;

[0012] One end of the second threaded rod is provided with a second slot, and one end of the second connecting member is movably arranged in the second slot.

[0013] Furthermore, the first slot and the second slot are respectively configured as laterally penetrating U-shaped slots, the first connecting member extends from the top opening of the first slot into the first threaded rod, and the second connecting member extends from the top opening of the second slot into the second threaded rod.

[0014] Furthermore, the first connecting member includes a first plug-in portion and a first fixing portion, the first plug-in portion is configured as a rectangle with a cross-section adapted to the U-shaped groove and connected to the first slot, the first fixing portion is provided with a first connecting groove, the first end of the drive shaft extends into the first connecting groove and is welded to the first fixing portion;

[0015] The second connecting member includes a second plug-in portion and a second fixing portion. The second plug-in portion is configured to have a rectangular cross-section that is adapted to the U-shaped groove and is connected to the second slot. The second fixing portion is provided with a second connecting groove. The second end of the drive shaft extends into the second connecting groove and is welded to the second fixing portion.

[0016] Furthermore, the first fixing portion is provided with a first through hole vertically connected to the first connecting groove;

[0017] The second fixing portion is provided with a second through hole vertically connected to the second connecting groove.

[0018] Furthermore, a sensing element is provided on the first threaded rod and / or the second threaded rod, and the sensing element is configured to detect the positions of the first threaded rod and the second threaded rod.

[0019] Furthermore, a mounting groove is provided at one end of the first threaded rod and / or the second threaded rod away from the driving shaft, and the sensing component is embedded in the mounting groove.

[0020] Furthermore, the thread direction of the first threaded rod is opposite to the thread direction of the second threaded rod.

[0021] Furthermore, the stop assembly also includes a third fixing member, and the driving member is fixed on the third fixing member.

[0022] In the second aspect, an embodiment of the present invention also provides an electronic device, which includes a fixed bracket, an optical component and a stop assembly as described in the first aspect, the stop assembly includes a first fixing member, a second fixing member and a third fixing member, the first fixing member, the second fixing member and the third fixing member are respectively connected to the fixed bracket, and the optical component is connected to the first threaded rod and / or the second threaded rod.

[0023] An embodiment of the utility model provides a stop assembly and an electronic device, which electronic assembly includes a driving member provided with a driving shaft, and a first fixing member and a second fixing member are symmetrically provided on both sides of the driving member, the first fixing member is spirally connected to a first threaded rod, and the second fixing member is spirally connected to a second threaded rod, the first threaded rod is connected to the first end of the driving shaft through a first connecting member, and the second threaded rod is connected to the second end of the driving shaft through a second connecting member, and when the driving shaft rotates, the first connecting member and the second connecting member are driven to rotate synchronously, the first connecting member drives the first threaded rod to rotate and move relative to the first fixing member, and the second connecting member drives the second threaded rod to rotate and move relative to the second fixing member. In the stop assembly, the movement of the first threaded rod and the second threaded rod can drive the adjustment of the position of the optical assembly connected thereto, thereby realizing efficient autofocus and optical image stabilization functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The above and other objects, features and advantages of the present invention will become more apparent through the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

[0025] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0026] Figure 2 This is a schematic diagram of the connection between the second threaded rod and the second fixing member in an embodiment of the utility model;

[0027] Figure 3 This is a schematic diagram of the connection between the first threaded rod and the first fixing member in an embodiment of the present utility model;

[0028] Figure 4 It is a schematic diagram of the explosion structure of an embodiment of the utility model.

[0029] Description of reference numerals:

[0030] 10-driving member; 11-driving shaft; 12-main body; 20-first fixing member; 21-first threaded hole; 30-second fixing member; 31-second threaded hole; 40-first threaded rod; 41-first slot; 50-second threaded rod; 51-second slot; 60-first connecting member; 61-first plug-in portion; 62-first fixing portion; 63-first connecting groove; 64-first through hole; 70-second connecting member; 71-second plug-in portion; 72-second fixing portion; 73-second connecting groove; 74-second through hole; 80-sensing member; 81-installation slot; 90-third fixing member. DETAILED DESCRIPTION

[0031] The present application is described below based on the following embodiments, but the present application is not limited to these embodiments. In the detailed description of the present application below, certain specific details are described in detail. Those skilled in the art can fully understand the present application without the description of these details. To avoid obscuring the essence of the present application, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0032] Furthermore, persons of ordinary skill in the art will appreciate that the figures provided herein are for illustration purposes only and are not necessarily drawn to scale.

[0033] Unless otherwise specified or limited, the terms "mounted," "connected," "connect," "fixed," and the like should be interpreted broadly. For example, they may refer to fixed or detachable connections, or integration; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0034] Unless the context clearly requires otherwise, words like “include”, “comprising” and the like throughout this application should be interpreted as including rather than exclusive or exhaustive; that is, as meaning “including but not limited to”.

[0035] In the description of this application, it should be understood that the terms "first", "second", etc. are used for descriptive purposes only and should not be understood to indicate or imply relative importance. In addition, in the description of this application, unless otherwise specified, "plurality" means two or more.

[0036] Figure 1 This is a schematic diagram of the overall structure of the stopper assembly of this application, refer to Figure 1The stop assembly includes a driving member 10, a first fixing member 20, and a second fixing member 30, with the first fixing member 20 and the second fixing member 30 symmetrically arranged on either side of the driving member 10. A first threaded hole 21 is provided in the first fixing member 20, through which a first threaded rod 40 is threadedly connected to the first fixing member 20. A second threaded hole 31 is provided in the second fixing member 30, through which a second threaded rod 50 is threadedly connected to the second fixing member 30. The driving member 10 includes a driving shaft 11, with a first connecting member 60 and a second connecting member 70 connected to each end of the driving shaft 11, respectively. The first threaded rod 40 is connected to the first end of the driving shaft 11 via the first connecting member 60, and the second threaded rod 50 is connected to the second end of the driving shaft 11 via the second connecting member 70. When the driving shaft 11 rotates, the first threaded rod 40 and the second threaded rod 50 are driven to rotate via the first connecting member 60 and the second connecting member 70. When the first threaded rod 40 rotates, it moves relative to the first fixing member 20, and when the second threaded rod 50 rotates, it moves relative to the second fixing member 30. The stop assembly can accurately control the position of structures such as optical components connected to the driving member 10 by adjusting the positions of the first threaded rod 40 and the second threaded rod 50, thereby realizing functions such as autofocus and optical image stabilization.

[0037] Figure 1 : is a schematic diagram of the overall structure of the stopper assembly of this embodiment, Figure 4 Schematic diagram of the exploded structure of the stopper assembly of this embodiment. Figure 1 and Figure 4 The driving member 10 includes a driving shaft 11 and a body 12. Both ends of the driving shaft 11 extend outside the body 12 and are arranged opposite the first fixing member 20 and the second fixing member 30. The driving shaft 11 rotates relative to the body 12. The first fixing member 20 and the second fixing member 30 are symmetrically arranged on either side of the driving member 10. The first threaded hole 21 and the second threaded hole 31 are coaxially arranged with the driving shaft 11, so that the driving shaft 11 can drive the first threaded rod 40 and the second threaded rod 50 to rotate.

[0038] Reference Figure 1 The driving shaft 11 and the first threaded rod 40 are connected and driven via a first connecting member 60 , and the driving shaft 11 and the second threaded rod 50 are connected and driven via a second connecting member 70 . Figure 2 is a schematic diagram of the connection between the second connecting member 70 and the second threaded rod 50 of this embodiment, Figure 3 Schematic diagram of the connection between the first connecting member 60 and the first threaded rod 40 of this embodiment. Figure 3 , the first connecting member 60 includes a first plug-in portion 61 and a first fixing portion 62. Figure 4 The first plug-in portion 61 is connected to the first threaded rod 40, and the first fixing portion 62 is fixedly connected to the drive shaft 11. Figure 2The second connecting member 70 includes a second plug-in portion 71 and a second fixing portion 72. Figure 4 The second plug-in portion 71 is matingly connected to the second threaded rod 50, and the second fixing portion 72 is fixedly connected to the drive shaft 11. The symmetrical connection of the first threaded rod 40 and the second threaded rod 50 at both ends of the drive shaft 11 can evenly distribute the load, reduce the unbalanced force caused by unilateral load, and improve the balance and stability of the overall structure.

[0039] Reference Figure 3 The first fixing portion 62 is provided with a first connecting groove 63, which is located at the end of the first connecting member 60 and opens toward the driving shaft 11. Figure 2 The second fixing portion 72 is provided with a second connecting groove 73, which is located at the end of the second connecting member 70 and opens toward the driving shaft 11. Figure 4 The first end of the drive shaft 11 extends into the first connecting groove 63 and is welded to the first fixing portion 62. The second end of the drive shaft 11 extends into the second connecting groove 73 and is welded to the second fixing portion 72. The welded connection ensures the connection strength between the drive shaft 11 and the first and second connecting members 60 and 70, improving the durability and stability of the structure. Alternatively, the drive shaft 11 and the first and second connecting members 60 and 70 can be fixedly connected by bonding or cold press fitting.

[0040] Further, refer to Figure 3 The first fixing portion 62 is provided with a first through hole 64 which is vertically connected to the first connecting groove 63. Figure 2 The second fixing portion 72 is provided with a second through hole 74 vertically connected to the second connecting groove 73. Figure 4 The first through hole 64 is located at the end of the first connecting groove 63 away from the drive shaft 11, and the second through hole 74 is located at the end of the second connecting groove 73 away from the drive shaft 11, avoiding communication with the notch of the first connecting groove 63 and the notch of the second connecting groove 73. The provision of the first through hole 64 and the second through hole 74 can effectively increase the number of welds between the drive shaft 11 and the first connecting member 60 and the second connecting member 70, thereby improving the connection strength and ensuring that the drive shaft 11 will not fall off the first connecting groove 63 and the second connecting member 70 when rotating at high speed. It can be understood that a certain distance is maintained between the first connecting member 60 and the second connecting member 70 and the body 12 to prevent friction between the first connecting member 60 and the second connecting member 70 and the body 12 and affecting rotation.

[0041] Reference Figure 4 The first plug-in portion 61 is movably connected to the first threaded rod 40, and the second plug-in portion 71 is movably connected to the second threaded rod 50. Figure 2 and Figure 3One end of the first threaded rod 40 is provided with a first slot 41, one end of the first connecting member 60 is movably provided in the first slot 41, one end of the second threaded rod 50 is provided with a second slot 51, and one end of the second connecting member 70 is movably provided in the second slot 51. When the drive shaft 11 rotates, torque can be transmitted to the first threaded rod 40 and the second threaded rod 50 through the first connecting member 60 and the second connecting member 70, so that the first threaded rod 40 and the second threaded rod 50 begin to rotate. The first fixing member 20, the second fixing member 30 and the body 12 are relatively fixed. The movable connection between the first connecting member 60 and the first threaded rod 40, and the movable connection between the second connecting member 70 and the second threaded rod 50 ensure that the first threaded rod 40 and the second threaded rod 50 are not constrained when rotating, thereby achieving movement relative to the first fixing member 20 and the second fixing member 30.

[0042] Reference Figure 2 and Figure 3 , the first slot 41 and the second slot 51 are respectively set as U-shaped slots that penetrate laterally, the first connecting member 60 extends from the top opening of the first slot 41 into the first threaded rod 40, and the second connecting member 70 extends from the top opening of the second slot 51 into the second threaded rod 50. The first plug-in portion 61 and the second plug-in portion 71 are both set as rectangles with cross-sections that match the U-shaped slot. The U-shaped slot has a flat structure, and cooperates with the rectangular first plug-in portion 61 and the second plug-in portion 61 to increase the contact area between each other, provide better torque transmission capability, and reduce the risk of sliding. In addition, the matching structure of this shape has high torsional resistance, which can ensure that no damage such as twisting and breakage will occur during the driving process, ensure the stability and reliability of the overall structure, and extend the service life of the stop assembly.

[0043] Reference Figure 2 and Figure 3 The connection between the first plug-in portion 61 and the first fixing portion 62 is configured as a rectangular parallelepiped. The first connector 60 has an overall rectangular parallelepiped structure, and a ring-shaped structure is provided at one end near the drive shaft 11 to facilitate the sleeve connection between the first connector 60 and the drive shaft 11. The first through hole 64 is provided on the rectangular parallelepiped structure for ease of processing, and the depth of the first through hole 64 is relatively small, facilitating welding between the drive shaft 11 and the first connector 60, thereby improving the stability of the connection. The structure of the second connector 70 is identical to that of the first connector 60 and will not be further described here.

[0044] Reference Figure 2 and Figure 3The thread direction of the first threaded rod 40 is opposite to that of the second threaded rod 50, and the thread direction of the threaded hole of the first fixing member 20 is opposite to that of the threaded hole of the second fixing member 30. When the first threaded rod 40 and the second threaded rod 50 are driven to rotate in the same direction by the drive shaft 11, they can achieve synchronous and co-directional movement relative to the first fixing member 20 and the second fixing member 30, ensuring smooth movement.

[0045] Further, refer to Figure 4 The stop assembly is also provided with a sensing member 80, which is provided on the first threaded rod 40 and / or the second threaded rod 50. The sensing member 80 can detect the position of the first threaded rod 40 and the second threaded rod 50, so as to accurately grasp and control the position and movement distance of the first threaded rod 40 and the second threaded rod 50. The first threaded rod 40 and / or the second threaded rod 50 is provided with a mounting groove 81 at one end away from the drive shaft 11, and the sensing member 80 is embedded in the mounting groove 81 to avoid collision with other structures. With the position information provided by the sensing member 80, the control system can accurately control the movement of the first threaded rod 40 and the second threaded rod 50 to ensure that they move according to the predetermined position and speed, thereby achieving precise autofocus and optical image stabilization functions.

[0046] Alternatively, the sensing element 80 may employ various types of sensors, such as a photoelectric sensor, a magnetic sensor, or a Hall effect sensor, to accommodate different application requirements. Furthermore, the sensing element 80 may be flexibly installed at different locations on the first threaded rod 40 and / or the second threaded rod 50 according to specific application requirements to achieve optimal detection results.

[0047] Reference Figure 1 and Figure 4 The stopper assembly further includes a third fixing member 90, to which the driving member 10 is fixed. The driving member 10 can be welded to other structures via the third fixing member 90, thereby reducing vibration caused by the driving shaft 11 rotating at high speed or under high load conditions, thereby improving the smoothness and stability of the movement of the first threaded rod 40 and the second threaded rod 50.

[0048] The stopper assembly of this embodiment includes a first threaded rod and a second threaded rod symmetrically disposed on either side of the driver. These rods are connected and driven by a first connecting member and a second connecting member. This symmetrical design ensures even load distribution on both sides, significantly improving the balance and stability of the entire system, reducing vibration and imbalance caused by unilateral loads, and ensuring stability and reliability in high-precision applications.

[0049] This embodiment also provides an electronic device, which includes a fixed bracket, an optical component and the stop assembly in the above embodiment. The stop assembly includes a first fixing member 20, a second fixing member 30 and a third fixing member 90. The first fixing member 20, the second fixing member 30 and the third fixing member 90 are respectively connected to the fixed bracket to ensure the stability and reliability of the overall structure. The optical component is connected to the first threaded rod 40 and / or the second threaded rod 50, so that the position of the optical component can be flexibly adjusted according to specific needs. The stop assembly is also provided with a sensor 80 to detect the position of the first threaded rod 40 and / or the second threaded rod 50, effectively ensuring the accuracy and stability of the movement of the optical component, and realizing functions such as precise positioning or focusing.

[0050] The electronic assembly of this embodiment employs a stopper assembly that, when the driver rotates, transmits driving force to the first and second threaded rods via the first and second connecting members, respectively. This causes the first threaded rod to move relative to the first fixed member, and the second threaded rod to move relative to the second fixed member, achieving synchronized motion and ensuring overall system stability. Furthermore, the stopper assembly is equipped with a sensor for detecting the position of the first and / or second threaded rods, thereby effectively ensuring the accuracy and smoothness of the optical assembly's movement and enabling precise positioning or focusing.

[0051] The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application. Persons skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application are intended to be within the scope of protection of the present application.

Claims

1. A stopper assembly, characterized in that: The stop assembly comprises: A driving member (10) including a driving shaft (11); A first fixing member (20) and a second fixing member (30) are symmetrically located on both sides of the driving member (10), a first threaded hole (21) is provided inside the first fixing member (20), and a second threaded hole (31) is provided inside the second fixing member (30); a first threaded rod (40) and a second threaded rod (50), wherein the first threaded rod (40) is screw-connected to the first fixing member (20) through the first threaded hole (21), and the second threaded rod (50) is screw-connected to the second fixing member (30) through the second threaded hole (31); a first connecting member (60) connecting the first end of the drive shaft (11) and the first threaded rod (40); a second connecting member (70) connecting the second end of the drive shaft (11) and the second threaded rod (50); When the driving shaft (11) rotates, it drives the first connecting member (60) and the second connecting member (70) to rotate synchronously. The first connecting member (60) drives the first threaded rod (40) to rotate and move relative to the first fixing member (20), and the second connecting member (70) drives the second threaded rod (50) to rotate and move relative to the second fixing member (30).

2. The stopper assembly according to claim 1, characterized in that: One end of the first threaded rod (40) is provided with a first slot (41), and one end of the first connecting member (60) is movably provided in the first slot (41); One end of the second threaded rod (50) is provided with a second slot (51), and one end of the second connecting member (70) is movably provided in the second slot (51).

3. The stopper assembly according to claim 2, characterized in that: The first slot (41) and the second slot (51) are respectively configured as U-shaped slots that penetrate laterally; the first connecting member (60) extends from the top opening of the first slot (41) into the first threaded rod (40); and the second connecting member (70) extends from the top opening of the second slot (51) into the second threaded rod (50).

4. The stopper assembly according to claim 3, characterized in that: The first connecting member (60) includes a first plug-in portion (61) and a first fixing portion (62), wherein the first plug-in portion (61) is configured as a rectangle having a cross-section adapted to the U-shaped groove and connected to the first slot (41), and the first fixing portion (62) is provided with a first connecting groove (63), wherein the first end of the drive shaft (11) extends into the first connecting groove (63) and is welded to the first fixing portion (62); The second connecting member (70) includes a second plug-in portion (71) and a second fixing portion (72), wherein the second plug-in portion (71) is configured to have a rectangular cross-section adapted to the U-shaped groove and connected to the second slot (51), and the second fixing portion (72) is provided with a second connecting groove (73), and the second end of the drive shaft (11) extends into the second connecting groove (73) and is welded to the second fixing portion (72).

5. The stopper assembly according to claim 4, characterized in that: The first fixing portion (62) is provided with a first through hole (64) vertically connected to the first connecting groove (63); The second fixing portion (72) is provided with a second through hole (74) vertically connected to the second connecting groove (73).

6. The stopper assembly according to claim 1, wherein: A sensing element (80) is provided on the first threaded rod (40) and / or the second threaded rod (50), and the sensing element (80) is configured to detect the positions of the first threaded rod (40) and the second threaded rod (50).

7. The stopper assembly according to claim 6, characterized in that: An installation groove (81) is provided at one end of the first threaded rod (40) and / or the second threaded rod (50) away from the drive shaft (11), and the sensing element (80) is embedded in the installation groove (81).

8. The stopper assembly according to claim 1, wherein: The thread direction of the first threaded rod (40) is opposite to the thread direction of the second threaded rod (50).

9. The stopper assembly according to claim 1, wherein: The stop assembly further comprises a third fixing member (90), and the driving member (10) is fixed on the third fixing member (90).

10. An electronic device, characterized in that: The electronic device comprises a fixing bracket, an optical component and a stop assembly according to any one of claims 1 to 9, wherein the stop assembly comprises a first fixing member (20), a second fixing member (30) and a third fixing member (90), the first fixing member (20), the second fixing member (30) and the third fixing member (90) are respectively connected to the fixing bracket, and the optical component is connected to the first threaded rod (40) and / or the second threaded rod (50).