Convenient disassembly and assembly type optical lens fixing frame for vacuum sealing flange

Abstract

The invention discloses a convenient disassembly and assembly type optical lens fixing frame for a vacuum sealing flange, and relates to the field of optical equipment accessories. The device comprises a fixed seat and a movable seat, the fixed seat is provided with a connecting rod, the movable seat is provided with a through hole allowing the connecting rod to penetrate through, the movable seat slides along the connecting rod to adjust the distance between the fixed seat and the movable seat, the connecting rod is provided with a locking piece abutting against the movable seat, and the movable seat is matched with the fixed seat to clamp a flange through the abutting effect. The fixed seat is provided with a first groove for accommodating a bolt head or a bolt tail on the flange, the movable seat is provided with a second groove for accommodating the bolt head or the bolt tail on the flange, the movable seat is provided with a mounting piece, and the mounting piece is detachably connected with a base of the optical lens. According to the optical lens fixing frame convenient to disassemble and assemble for the vacuum sealing flange, the sealing effect of an original flange can be guaranteed, an optical lens can be conveniently disassembled and assembled when an experiment is carried out, the experiment is convenient to carry out, and good use flexibility is achieved.

Description

Technical Field

[0001] The invention relates to the field of optical equipment accessories, and in particular to a conveniently detachable optical lens fixing frame for a vacuum sealing flange. Background Art

[0002] When the magnetic confinement fusion device is in operation, the vacuum chamber is in a high vacuum state for a long time. Once the sealing flanges of each window are installed and evacuated, they cannot be removed. The gas delivery imaging system needs to use a high-speed camera to study the plasma behavior. Its optical lens needs to be fixed on the flange with the glass window and then led out by the optical fiber.

[0003] The current fixing method is to remove the two bolts of the fixed flange before the magnetic confinement fusion device is evacuated, replace them with long screws, and then fix the base of the optical lens to the long screws. If there is no long screw, the optical lens cannot be installed, replaced or disassembled during the entire experimental cycle. If a long screw is used to replace the flange bolts, this method destroys the original sealing structure, reduces the sealing uniformity of the flange, and may cause air leakage, loose sealing and other problems.

[0004] Therefore, the prior art needs to be improved. Summary of the invention

[0005] The technical problem to be solved by the present invention is that the optical lens fixing method of the prior art affects the sealing performance and cannot be temporarily installed or disassembled during experiments. The purpose of the present invention is to provide a convenient detachable optical lens fixing frame for a vacuum sealing flange. By adopting corresponding technical means, the sealing effect of the original flange can be ensured. The optical lens can also be conveniently disassembled and assembled during the experiment, which is convenient for the experiment and has good flexibility of use.

[0006] The present invention is achieved through the following technical solutions:

[0007] A convenient detachable optical lens fixing frame for a vacuum sealing flange, comprising a fixed seat and a movable seat, the fixed seat being provided with a connecting rod, the movable seat being provided with a through hole for the connecting rod to pass through, the movable seat sliding along the connecting rod to adjust the spacing between the fixed seat and the movable seat, the connecting rod being provided with a locking piece pressed against the movable seat, the movable seat being cooperated with the fixed seat to clamp the flange through the pressing action, the fixed seat being provided with a first groove for accommodating a bolt head or a bolt tail on the flange, the movable seat being provided with a second groove for accommodating a bolt head or a bolt tail on the flange, the movable seat being provided with a mounting piece, and the mounting piece being detachably connected to the base of the optical lens.

[0008] In the above technical solution, first, the movable seat slides to the right along the connecting rod to increase the distance between the fixed seat and the movable seat; then the convenient detachable optical lens fixing frame for the vacuum sealing flange is clamped on the side of the flange, and two sets of convenient detachable optical lens fixing frames for the vacuum sealing flange are used, which are respectively installed at two positions on the side of the flange. The fixed seat is located on the bottom surface of the flange, the movable seat is located on the top surface of the flange, the bolt head is inserted into the second groove, and the bolt tail is inserted into the first groove; finally, the locking piece is moved until it is pressed against the movable seat, and the movable seat is clamped with the fixed seat through the pressing action to clamp the flange, so that the convenient detachable optical lens fixing frame for the vacuum sealing flange is fixed on the flange. After fixing, the base of the optical lens is fixed on the convenient detachable optical lens fixing frame for the vacuum sealing flange through the mounting piece. The sealing effect of the original flange is not destroyed, and the optical lens can be conveniently disassembled and assembled, which is convenient to use.

[0009] Furthermore, in the present invention, the above-mentioned mounting member includes a threaded rod fixedly connected to the movable seat, and the threaded rod is provided with a limiting nut for clamping the base of the optical lens.

[0010] Furthermore, in the present invention, the threaded rod sleeve is provided with a gasket.

[0011] Furthermore, in the present invention, the two gaskets mentioned above contact the top surface and the bottom surface of the base of the optical lens respectively.

[0012] Furthermore, in the present invention, the fixing seat is provided with a fixing piece which is reinforcedly connected to the flange.

[0013] Furthermore, in the present invention, the fixing seat has a fixing portion aligned with the flange side wall, the fixing portion is provided with a fixing screw hole, and the fixing member is configured as a fastening screw inserted into the fixing screw hole and pressed against the flange side wall.

[0014] Further, in the present invention, the second groove is configured as a separate cylindrical groove for accommodating the bolt head.

[0015] Furthermore, in the present invention, the first groove is configured as two overlapping cylindrical grooves, wherein one cylindrical groove is used to accommodate a nut at the end of the bolt, and the other cylindrical groove is used to accommodate a screw at the end of the bolt.

[0016] Furthermore, in the present invention, the first groove passes through the two side walls of the fixing seat.

[0017] Furthermore, in the present invention, the centers of the first groove, the second groove, and the mounting member are located on the same straight line.

[0018] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0019] The movable seat slides on the connecting rod to adjust the distance between the fixed seat and the movable seat, so that the movable seat and the fixed seat can clamp the upper and lower sides of the flange, and then use the locking piece to tighten the movable seat to achieve clamping and fixing. Then install the base of the optical lens on the mounting piece of the movable seat. There is no need to fix it by removing the flange bolts, and the original flange seal will not be damaged, and there will be no problems such as air leakage and loose sealing. Even during the experiment, the optical lens can be easily disassembled and assembled, which is convenient for the experiment and has good flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and should not be regarded as limiting the scope. For those of ordinary skill in the art, other relevant drawings can be obtained based on these drawings without creative work. In the drawings:

[0021] Figure 1 It is a structural schematic diagram of a convenient and detachable optical lens fixing frame for a vacuum sealing flange of the present invention;

[0022] Figure 2 The present invention is a schematic diagram of the installation of a convenient and detachable optical lens fixing frame for a vacuum sealing flange.

[0023] The marks and corresponding names of the parts in the accompanying drawings are: 1-fixed seat, 101-first groove, 102-fixed screw hole, 103-fixed part, 2-movable seat, 201-through hole, 202-second groove, 3-connecting rod, 4-locking piece, 5-mounting piece, 501-threaded rod, 502-limiting nut, 503-gasket, 6-fixed piece, 7-flange, 8-base. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with the embodiments and drawings. The schematic implementation mode of the present invention and its description are only used to explain the present invention and are not intended to limit the present invention. The following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0025] It should be noted that similar numbers and letters represent similar items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. In the description of the embodiments of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense. For example, it 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 indirectly connected through an intermediate medium, and it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0026] Example

[0027] Combination Figure 1 and Figure 2 As shown, an embodiment of the present invention provides a convenient detachable optical lens fixing frame for a vacuum sealing flange, and the specific structure is described as follows.

[0028] Combination Figure 1 As shown (fixed seat 1 and movable seat 2 are shown in cross-section), the convenient detachable optical lens fixing frame for vacuum sealing flange of this embodiment mainly consists of five parts: fixed seat 1, movable seat 2, connecting rod 3, locking member 4 and mounting member 5.

[0029] Further, combined with Figure 1 As shown, the fixed seat 1 and the movable seat 2 are made of stainless steel, the fixed seat 1 is an L-shaped stainless steel metal block, and the movable seat 2 is a rectangular stainless steel metal block. A first groove 101 is provided on the right side wall of the left part of the fixed seat 1, and the first groove 101 faces the horizontal direction. The right part of the fixed seat 1 is a fixing part 103, and the fixing part 103 is provided with a through fixing screw hole 102, and the fixing screw hole 102 faces the vertical direction. A second groove 202 is provided on the left side wall of the movable seat 2, and the second groove 202 faces the horizontal direction, and the second groove 202 is horizontally aligned with the first groove 101, and is used to adapt to the same bolt.

[0030] It should be noted that, preferably, the combination Figure 2 As shown, in this embodiment, the first groove 101 is only used to accommodate the bolt tail, and the second groove 202 is only used to accommodate the bolt head. And the second groove 202 is designed as a cylindrical groove. The first groove 101 is designed as two overlapping cylindrical grooves, the cylindrical groove with a larger diameter is located on the upper side, used to accommodate the nut of the bolt tail, and the cylindrical groove with a smaller diameter is located on the lower side, used to accommodate the screw rod of the bolt tail. In order to avoid the bolts of some flanges 7 being too long, the first groove 101 runs through the two side walls of the fixing seat 1, which has a better use effect.

[0031] In some implementations of this embodiment, combined with Figure 1 As shown, the connecting rod 3 can adopt the screw rod in the prior art, the left end of the connecting rod 3 and the right side wall of the fixing part 103 of the fixed seat 1 are fixed by welding, the movable seat 2 is provided with a horizontal through hole 201 near the lower side, the connecting rod 3 passes through the through hole 201, and the movable seat 2 can slide along the connecting rod 3 to adjust the distance between the fixed seat 1 and the movable seat 2. The locking member 4 adopts a threaded sleeve or a nut, and the locking member 4 is threadedly connected to the connecting rod 3. After rotating the locking member 4, the locking member 4 can be moved closer to or away from the movable seat 2, so as to clamp the flange 7 or loosen the flange, which is convenient for installation and disassembly.

[0032] In some implementations of this embodiment, combined with Figure 1 and Figure 2 As shown, the mounting member 5 includes a threaded rod 501 and a limiting nut 502. The threaded rod 501 is fixed to the end surface of the movable seat 2 by welding, and three nuts 502 are installed on the threaded rod 501. Figure 2 As shown, there is a mounting hole on the base 8 of the optical lens. During installation, the base 8 is sleeved on the threaded rod 501. A limiting nut 502 is located at the bottom of the base 8. The limiting nut 502 at the bottom is used to adjust the distance between the lens base 8 and the flange glass plane to control the fit between the lens and the glass window. Two limiting nuts 502 are located at the top of the base 8. The three limiting nuts 502 cooperate to clamp the base 8 of the optical lens to achieve fixed installation.

[0033] Further, combined with Figure 2 As shown, the threaded rod 501 is also sleeved with two gaskets 503, one gasket 503 contacts the top surface of the base 8 of the optical lens, and the other gasket 503 contacts the bottom surface of the base 8 of the optical lens. The gasket 503 can increase the contact area and have a better fixing effect.

[0034] It should be noted that if Figure 2 As shown, the first groove 101, the second groove 202, and the central axis of the mounting member 5 are on the same straight line, and the bolt center of the flange 7 also coincides with the straight line, which can better position and install the optical lens.

[0035] In some implementations of this embodiment, in order to strengthen the fixation of the flange 7, a fixing member 6 is also installed. Figure 1 and Figure 2As shown, the fixing member 6 is a screw, and after installation, the fixing seat 1 contacts the bottom and side of the flange 7, and a fixing screw hole 102 is provided in the fixing portion 103, and the fixing member 6 is threadedly connected with the fixing screw hole 102. After the convenient detachable optical lens fixing frame for vacuum sealing flange is installed, the fixing member 6 is screwed in, the fixing member 6 is pressed against the side of the flange 7, the fixing member 6 is pressed against the bottom of the flange 7, and the movable seat 2 is pressed against the top of the flange 7, which work together to have a good fixing effect and prevent loosening.

[0036] The working principle of the convenient detachable optical lens fixing frame for vacuum sealing flange of the present invention is as follows:

[0037] First, the movable seat 2 slides to the right along the connecting rod 3 to increase the distance between the fixed seat 1 and the movable seat 2; then the convenient detachable optical lens holder for the vacuum sealing flange is clamped on the side of the flange 7, the fixed seat 1 is located on the bottom surface of the flange 7, the movable seat 2 is located on the top surface of the flange 7, the bolt head is inserted into the second groove 202, and the bolt tail is inserted into the first groove 101; finally, the locking member 4 is moved until it is pressed against the movable seat 2, and the movable seat 2 cooperates with the fixed seat 1 to clamp the flange 7 through the pressing action, so that the convenient detachable optical lens holder for the vacuum sealing flange is fixed on the flange 7. After fixing, the base 8 of the optical lens is fixed on the convenient detachable optical lens holder for the vacuum sealing flange through the mounting member 5. The sealing effect of the original flange 7 is not damaged, and the optical lens can be conveniently disassembled and assembled, which is convenient to use. After the vacuum chamber is evacuated, the optical lens can be installed and fixed and the angle can be adjusted without loosening the bolts of the flange 7; for optical lenses of different sizes, the number and position of the convenient detachable optical lens fixing frame for the vacuum sealing flange can be flexibly adjusted; similarly, for flanges of different sizes, the spacing between the fixed seat 1 and the movable seat 2 can be adjusted accordingly to meet the needs of fixing. The overall structure is simple, easy to disassemble and assemble, and firmly fixed, which can be widely implemented and promoted.

[0038] In summary, a convenient detachable optical lens fixing frame for vacuum sealing flange includes a fixed seat 1 and a movable seat 2, the fixed seat 1 is provided with a connecting rod 3, the movable seat 2 is provided with a through hole 201 for the connecting rod 3 to pass through, the movable seat 2 slides along the connecting rod 3 to adjust the spacing between the fixed seat 1 and the movable seat 2, the connecting rod 3 is provided with a locking member 4 that presses against the movable seat 2, and the movable seat 2 cooperates with the fixed seat 1 to clamp the flange 7 through the pressing action, the fixed seat 1 is provided with a first groove 101 for accommodating the bolt head or bolt tail on the flange 7, the movable seat 2 is provided with a second groove 202 for accommodating the bolt head or bolt tail on the flange 7, and the movable seat 2 is provided with a mounting member 5, and the mounting member 5 is detachably connected to the base 8 of the optical lens. The mounting member 5 includes a threaded rod 501 fixedly connected to the movable seat 2, and the threaded rod 501 is provided with a limiting nut 502 for clamping the base 8 of the optical lens. The threaded rod 501 is sleeved with a gasket 503. The two gaskets 503 contact the top surface and the bottom surface of the base 8 of the optical lens respectively. The fixing seat 1 is provided with a fixing member 6 which is reinforcedly connected with the flange 7. The fixing seat 1 has a fixing portion 103 aligned with the side wall of the flange 7, and the fixing portion 103 is provided with a fixing screw hole 102. The fixing member 6 is configured as a fastening screw inserted into the fixing screw hole 102 and pressed against the side wall of the flange 7. The second groove 202 is configured as a separate cylindrical groove for accommodating the bolt head. The first groove 101 is configured as two overlapping cylindrical grooves, one of which is used to accommodate the nut at the end of the bolt, and the other cylindrical groove is used to accommodate the screw at the end of the bolt. The first groove 101 runs through the two side walls of the fixing seat 1. The centers of the first groove 101, the second groove 202, and the mounting member 5 are in the same straight line. Therefore, the convenient disassembly and assembly type optical lens fixing frame for vacuum sealing flange of the present invention can ensure the sealing effect of the original flange, and the optical lens can also be conveniently disassembled and assembled during the experiment, which is convenient for the experiment to be carried out and has good flexibility of use.

[0039] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A convenient and detachable optical lens fixing frame for a vacuum sealing flange, characterized in that: The invention comprises a fixed seat (1) and a movable seat (2), wherein the fixed seat (1) is provided with a connecting rod (3), the movable seat (2) is provided with a through hole (201) for the connecting rod (3) to pass through, the movable seat (2) slides along the connecting rod (3) to adjust the distance between the fixed seat (1) and the movable seat (2), the connecting rod (3) is provided with a locking member (4) pressed against the movable seat (2), and the movable seat (2) cooperates with the clamping flange (7) of the fixed seat (1) through the pressing action, the fixed seat (1) is provided with a first groove (101) for accommodating a bolt head or a bolt tail on the flange (7), the movable seat (2) is provided with a second groove (202) for accommodating a bolt head or a bolt tail on the flange (7), and the movable seat (2) is provided with a mounting member (5), and the mounting member (5) is detachably connected to a base (8) of the optical lens.

2. The convenient and detachable optical lens fixing frame for vacuum sealing flange according to claim 1, characterized in that: The mounting member (5) comprises a threaded rod (501) fixedly connected to the movable seat (2), and the threaded rod (501) is provided with a limiting nut (502) for clamping a base (8) of the optical lens.

3. The convenient and detachable optical lens fixing frame for vacuum sealing flange according to claim 2, characterized in that: The threaded rod (501) is sleeved with a gasket (503).

4. The convenient and detachable optical lens fixing frame for vacuum sealing flange according to claim 3, characterized in that: The two gaskets (503) respectively contact the top surface and the bottom surface of the base (8) of the optical lens.

5. The convenient and detachable optical lens fixing frame for vacuum sealing flange according to claim 1, characterized in that: The fixing seat (1) is provided with a fixing piece (6) which is reinforcedly connected to the flange (7).

6. The convenient and detachable optical lens fixing frame for vacuum sealing flange according to claim 5, characterized in that: The fixing seat (1) has a fixing portion (103) aligned with the side wall of the flange (7), the fixing portion (103) is provided with a fixing screw hole (102), and the fixing member (6) is configured as a fastening screw that is inserted into the fixing screw hole (102) and pressed against the side wall of the flange (7).

7. The convenient and detachable optical lens fixing frame for vacuum sealing flange according to claim 1, characterized in that: The second recess (202) is configured as a single cylindrical groove for receiving a bolt head.

8. The conveniently detachable optical lens fixing frame for vacuum sealing flange according to claim 7, characterized in that: The first groove (101) is configured as two overlapping cylindrical grooves, wherein one cylindrical groove is used to accommodate a nut at the end of the bolt, and the other cylindrical groove is used to accommodate a screw rod at the end of the bolt.

9. The convenient and detachable optical lens fixing frame for vacuum sealing flange according to claim 8, characterized in that: The first groove (101) passes through the two side walls of the fixing seat (1).

10. The convenient and detachable optical lens fixing frame for vacuum sealing flange according to claim 1, characterized in that: The centers of the first groove (101), the second groove (202) and the mounting member (5) are located on the same straight line.

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