Locking device for optical examination system basic platform

Abstract

The utility model discloses a locking device for a basic platform of an optical examination system, which comprises a dial, a bearing part is mounted in the middle of the dial, a sleeve is rotatably mounted in the bearing part, a support shaft is arranged in the sleeve, and a locking ring is sleeved on the surface of the support shaft below the sleeve. The upper end of the locking ring is located on the surface of the supporting shaft and sleeved with a supporting pipe, the supporting pipe makes contact with the inner wall of the sleeve, a fixing block is installed at the lower end of the dial, a locking block is detachably installed in the fixing block, and a locking assembly is installed on the surface of the sleeve. The locking assembly is arranged, the locking rod in the locking assembly is rotated, the locking rod moves towards the interior of the locking block, the locking rod pushes the locking block through the moving rod, the locking block makes contact with the sleeve, the locking rod is fixed, the dial is locked at the same time, and accidental rotation of the dial after adjustment is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of optical rotating tables, in particular to a locking device for a basic platform of an optical examination system. Background Art

[0002] The optical rotating table is a commonly used adjustment device for adjusting the angle of optical components in optical experiments and optical instruments. The optical rotating table is often used in optical examinations and optical tests. The optical components are fixed on the table and guide rails of the optical rotating table. The angle is adjusted by rotating the optical rotating table, thereby realizing the optical test.

[0003] At present, the existing basic platform of the optical examination system is generally composed of a base, a dial, a support shaft and other components. The dial and the guide frame can rotate on the surface of the support shaft. When in use, after the direction adjustment of the dial is completed, it is necessary to prevent the dial from accidentally rotating and affecting the correct placement of the optical component. Therefore, a locking device for the basic platform of the optical examination system is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a locking device for a base platform of an optical examination system to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a locking device for a basic platform of an optical examination system, comprising a dial, a bearing member is installed in the middle of the dial, a sleeve is rotatably installed inside the bearing member, a support shaft is arranged inside the sleeve, a locking ring is sleeved on the surface of the support shaft below the sleeve, a support tube is sleeved on the upper end of the locking ring, the support tube is in contact with the inner wall of the sleeve, a fixed block is installed at the lower end of the dial, a locking block is detachably installed inside the fixed block, and a locking assembly is installed on the surface of the sleeve.

[0006] Preferably, a contact groove is provided at the bottom end of the sleeve, a clamping groove is provided at the top end of the contact groove, a contact ring is installed at the upper end of the support tube, a chamfer is provided on the surface of the contact ring, and the contact ring contacts the clamping groove through the chamfer.

[0007] Preferably, a locking rod is installed on one side of the locking ring, a threaded rod is installed on one end of the locking rod, and one end of the threaded rod passes through the locking ring through a screw hole and extends to the surface of the supporting shaft.

[0008] Preferably, a mounting groove is provided at the front end of the fixing block, the locking block is located inside the mounting groove, a screw hole is provided at one end of the fixing block, a fixing tube is threadedly connected inside the screw hole, a cavity is provided inside the fixing tube, an elastic spring is installed at one end of the cavity, a push rod is sleeved on the surface of one end of the elastic spring close to the locking block, and one end of the push rod is in contact with the surface of the locking block.

[0009] Preferably, the locking assembly includes a locking frame, a moving rod, a locking block and a locking rod, the locking frame is sleeved on the surface of the sleeve below the bearing member, one end of the locking frame is connected to the fixed block, a moving groove is arranged on the upper end of the locking frame, a moving rod is movably installed at one end inside the moving groove through a through hole, a locking rod is threadedly connected to the surface of one end of the locking block through a screw hole, one end of the moving rod extends to the inside of the locking block and contacts with the locking rod, a locking block is placed inside the moving groove, and the other end of the moving rod contacts with the locking block.

[0010] Preferably, the support shaft surface is cylindrical.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The optical examination system base platform uses a locking device. By setting a locking assembly, the locking rod in the locking assembly is rotated, and the locking rod moves toward the inside of the locking block. The locking rod pushes the locking block through the moving rod, so that the locking block and the sleeve are in contact, thereby fixing the locking rod and locking the dial at the same time to avoid accidental rotation of the dial after adjustment.

[0013] 2. The locking device for the basic platform of the optical examination system sets the surface of the support shaft to be smooth, and uses a support tube to support the sleeve in the middle of the dial. The sleeve uses a bearing to rotate, which effectively reduces the wear of the support shaft when the dial rotates, making the dial rotation lighter, and the smooth surface of the support shaft facilitates the assembly and disassembly of various components. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a front cross-sectional view of the utility model;

[0016] Figure 3 It is a cross-sectional view of the fixing block of the utility model;

[0017] Figure 4 This is a schematic diagram of the locking frame structure of the utility model.

[0018] In the figure: 1. dial; 2. bearing; 3. sleeve; 4. support shaft; 5. locking ring; 6. locking block; 8. contact groove; 9. slot; 10. contact ring; 11. locking rod; 12. threaded rod; 13. mounting groove; 14. fixed tube; 15. cavity; 16. elastic spring; 17. push rod; 18. movable groove; 19. fixed block; 20. support tube; 701. locking frame; 702. movable rod; 703. locking block; 704. locking rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] like Figures 1 to 4As shown, the locking device for the basic platform of the optical examination system of this embodiment includes a dial 1, a bearing 2 is installed in the middle of the dial 1, a sleeve 3 is rotatably installed inside the bearing 2, and the dial 1 can rotate on the surface of the sleeve 3 under the action of the bearing 2, a support shaft 4 is arranged inside the sleeve 3, and the support shaft 4 is used to install the sleeve 3, a locking ring 5 is sleeved on the surface of the support shaft 4 below the sleeve 3, and the upper end of the locking ring 5 is located on the surface of the support shaft 4 and sleeved on the support tube 20, and the support tube 20 is in contact with the inner wall of the sleeve 3, and the support tube 20 is used to support the sleeve 3, and the installation height of the dial 1 can be fine-tuned by adjusting the height of the support tube 20, a fixed block 19 is installed at the lower end of the dial 1, and a locking block 6 is detachably installed inside the fixed block 19, and a locking assembly is installed on the surface of the sleeve 3. The locking assembly is used to lock the dial 1 to prevent the adjusted dial 1 from rotating unexpectedly.

[0023] Specifically, a contact groove 8 is provided at the bottom end of the sleeve 3, a clamping groove 9 is provided at the top end of the contact groove 8, a contact ring 10 is installed at the upper end of the support tube 20, and a chamfer is provided on the surface of the contact ring 10. The contact ring 10 contacts the clamping groove 9 through the chamfer, and the contact groove 8 contacts the surface of the support tube 20. By contacting the clamping groove 9 on the sleeve 3 and the contact ring 10 on the support tube 20, the support tube 20 supports the sleeve 3.

[0024] Furthermore, a locking rod 11 is installed on one side of the locking ring 5, and a threaded rod 12 is installed on one end of the locking rod 11. One end of the threaded rod 12 passes through the locking ring 5 through the screw hole and extends to the surface of the support shaft 4. The locking rod 11 is rotated to drive the threaded rod 12 to rotate, so that the threaded rod 12 passes through the locking ring 5 and contacts the surface of the support shaft 4, thereby locking the locking ring 5. By adjusting the height of the locking ring 5, the height of the dial 1 can be fine-tuned.

[0025] Furthermore, a mounting groove 13 is provided at the front end of the fixing block 19, and the locking block 6 is located inside the mounting groove 13. A screw hole is provided at one end of the fixing block 19, and a fixing tube 14 is threadedly connected inside the screw hole. A cavity 15 is provided inside the fixing tube 14, and an elastic spring 16 is installed at one end of the cavity 15. A push rod 17 is sleeved on the surface of one end of the elastic spring 16 close to the locking block 6, and one end of the push rod 17 is in contact with the surface of the locking block 6. By rotating the fixing tube 14, the fixing tube 14 moves toward the inside of the fixing block 19. During this process, the fixing tube 14 pushes the push rod 17 through the elastic spring 16, and the push rod 17 pushes the locking block 6, thereby realizing the installation of the locking block 6 and facilitating the disassembly of the locking block 6 at a later time.

[0026] Furthermore, the locking assembly includes a locking frame 701, a moving rod 702, a locking block 703 and a locking rod 704. The surface of the sleeve 3 below the bearing member 2 is sleeved with the locking frame 701, one end of the locking frame 701 is connected to the fixed block 19, and a moving groove 18 is arranged on the upper end of the locking frame 701. The moving rod 702 is movably installed at one end of the moving groove 18 through a through hole. The surface of one end of the locking block 6 is threadedly connected to the locking rod 704 through a screw hole. The moving rod 702 is connected to the locking rod 704 through a screw hole. One end of the movable rod 702 extends to the inside of the locking block 6 and contacts the locking rod 704. The locking block 703 is placed inside the movable groove 18. The other end of the movable rod 702 contacts the locking block 6. By rotating the locking rod 704, the locking rod 704 moves toward the inside of the locking block 6. The locking rod 704 pushes the locking block 703 through the movable rod 702, so that the locking block 703 contacts the sleeve 3, thereby fixing the locking frame 701 and locking the dial 1 at the same time.

[0027] Furthermore, the surface of the support shaft 4 is cylindrical, which makes it easy to adjust the position of the sleeve 3 on the support shaft 4, and the support shaft 4 is easy to process, without the need to process steps to install the dial 1, and the bearing 2 is used to drive the dial 1 to rotate, making the rotation of the dial 1 easier and reducing the wear on the surface of the support shaft 4.

[0028] The method of using this embodiment is as follows: when in use, the locking rod 11 is rotated to drive the threaded rod 12 to rotate, so that the threaded rod 12 passes through the locking ring 5 and contacts the surface of the support shaft 4, thereby locking the locking ring 5. The sleeve 3 in the middle of the dial 1 is sleeved on the support tube 20 on the locking ring 5. When in use, under the action of the bearing member 2, the dial 1 can be rotated, and the locking rod 704 is rotated to move toward the inside of the locking block 6. The locking rod 704 pushes the locking block 703 through the moving rod 702, so that the locking block 703 contacts the sleeve 3, thereby fixing the locking frame 701 and locking the dial 1 at the same time to prevent the dial 1 from rotating accidentally.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A locking device for a base platform of an optical examination system, comprising a graduated plate (1), characterized in that: A bearing member (2) is installed in the middle of the scale plate (1), a sleeve (3) is rotatably installed inside the bearing member (2), a support shaft (4) is arranged inside the sleeve (3), a locking ring (5) is sleeved on the surface of the support shaft (4) below the sleeve (3), the upper end of the locking ring (5) is located on the surface of the support shaft (4) and is sleeved on a support tube (20), the support tube (20) is in contact with the inner wall of the sleeve (3), a fixing block (19) is installed at the lower end of the scale plate (1), a locking block (6) is detachably installed inside the fixing block (19), and a locking assembly is installed on the surface of the sleeve (3).

2. The locking device for the optical examination system base platform according to claim 1, characterized in that: The bottom end of the sleeve (3) is provided with a contact groove (8), the top end of the contact groove (8) is provided with a clamping groove (9), the upper end of the support tube (20) is provided with a contact ring (10), the surface of the contact ring (10) is provided with a chamfer, and the contact ring (10) is in contact with the clamping groove (9) through the chamfer.

3. The locking device for the optical examination system base platform according to claim 1, characterized in that: A locking rod (11) is installed on one side of the locking ring (5), a threaded rod (12) is installed on one end of the locking rod (11), and one end of the threaded rod (12) passes through the locking ring (5) through a screw hole and extends to the surface of the support shaft (4).

4. The locking device for the optical examination system base platform according to claim 1, characterized in that: The front end of the fixing block (19) is provided with a mounting groove (13), the locking block (6) is located inside the mounting groove (13), one end of the fixing block (19) is provided with a screw hole, a fixing tube (14) is threadedly connected inside the screw hole, a cavity (15) is provided inside the fixing tube (14), one end of the cavity (15) is installed with an elastic spring (16), the elastic spring (16) is sleeved with a push rod (17) on the surface of one end of the locking block (6), and one end of the push rod (17) is in contact with the surface of the locking block (6).

5. The locking device for the optical examination system base platform according to claim 1, characterized in that: The locking assembly comprises a locking frame (701), a moving rod (702), a locking block (703) and a locking rod (704); the locking frame (701) is sleeved on the surface of the sleeve (3) below the bearing member (2); one end of the locking frame (701) is connected to the fixed block (19); a moving groove (18) is arranged on the upper end of the locking frame (701); a moving rod (702) is movably mounted on one end of the moving groove (18) through a through hole; the locking rod (704) is threadedly connected to the surface of one end of the locking block (6) through a screw hole; one end of the moving rod (702) extends to the inside of the locking block (6) and contacts the locking rod (704); a locking block (703) is placed in the moving groove (18); and the other end of the moving rod (702) contacts the locking block (6).

6. The locking device for the optical examination system base platform according to claim 1, characterized in that: The surface of the support shaft (4) is cylindrical.

Images