Switching type objective lens mounting rack

Abstract

The utility model discloses a switching type objective lens mounting rack, which comprises a connecting seat, a switching box, a sliding plate and a shifting assembly, and is characterized in that the connecting seat is provided with a first light through hole; the switching box is arranged at the bottom of the connecting base, a second light through hole corresponding to the first light through hole in position is formed in the switching box, and a sliding channel penetrating through the second light through hole in the radial direction is formed in the switching box; a strip-shaped guide hole is formed in the side face of the switching box and communicates with the sliding channel. The sliding plate is arranged in the sliding channel of the switching box in a sliding manner, and the sliding plate is provided with two objective lens mounting holes which are arranged at intervals along the sliding direction of the sliding plate; the shifting assembly comprises a shifting block located outside the switching box, the shifting block is connected with the sliding plate through a connecting rod, and the connecting rod is arranged in the guide hole in a sliding mode. The switching type objective lens mounting rack can be additionally arranged on a carrying table of a microscopic imaging device, can realize rapid switching of objective lenses, and can conveniently cope with experiment conditions with different requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of optical test devices, in particular to a sliding objective lens mounting frame. Background Art

[0002] Some optical experimental systems are equipped with a microscopic imaging device for magnifying and imaging microscopic structures and figures that cannot be distinguished by the naked eye for observation and research. An objective lens is provided on the microscopic imaging device, and objective lenses with different magnifications and functions need to be provided in different situations. However, some microscopic imaging devices do not have the function of switching objective lenses, and the original objective lens can only be removed and then other objective lenses can be installed, which is inconvenient to use. Utility Model Content

[0003] In view of this, the utility model provides a switchable objective lens mounting frame, aiming to solve the problem of inconvenience in replacing the objective lens in the current microscopic imaging device which does not have the objective lens switching function.

[0004] The technical solution of the utility model is achieved in this way:

[0005] A switchable objective lens mounting frame, comprising:

[0006] A connecting seat, wherein the connecting seat is provided with a first light-through hole which passes through the connecting seat from top to bottom;

[0007] A switch box, the switch box is arranged at the bottom of the connecting seat, the switch box is provided with a second light-through hole corresponding to the position of the first light-through hole, and the switch box is provided with a sliding channel radially passing through the second light-through hole; a strip-shaped guide hole is opened on the side of the switch box, and the guide hole is connected with the sliding channel;

[0008] A slide plate, wherein the slide plate is slidably disposed in the slide channel of the switch box, and the slide plate is provided with two objective lens mounting holes arranged at intervals along the sliding direction of the slide plate;

[0009] A toggle assembly, the toggle assembly includes a toggle block located outside the switch box, the toggle block is connected to the slide plate via a connecting rod, and the connecting rod is slidably arranged in the guide hole.

[0010] As a further optional scheme of the switchable objective lens mounting bracket, when the slide plate is located at the extreme position at one end of the sliding channel, one of the objective lens mounting holes corresponds to the position of the second light-transmitting hole; when the slide plate is located at the extreme position at the other end of the sliding channel, the other objective lens mounting hole corresponds to the position of the second light-transmitting hole.

[0011] As a further optional solution of the switchable objective lens mounting bracket, magnetic suction parts for magnetically connecting to the internal structure of the switch box are respectively provided at both ends of the slide plate along the sliding direction.

[0012] As a further optional solution of the switchable objective lens mounting bracket, the objective lens mounting hole is provided with an internal thread.

[0013] As a further optional scheme of the switchable objective lens mounting bracket, the switching box includes a box body and a box bottom plate, the box body and the box bottom plate are fixed by bolts, the box body is provided with an upper hole, the box bottom plate is provided with a lower hole, the upper hole and the lower hole form the second light-transmitting hole, and the vertical projection of the objective lens mounting hole falls within the range of the lower hole.

[0014] As a further optional solution of the switchable objective lens mounting bracket, a quick connector in the shape of an inverted frustum of a cone is provided on the top of the connecting seat, and the quick connector is coaxially arranged with the first light-transmitting hole.

[0015] As a further optional solution of the switchable objective lens mounting bracket, the connecting seat is bolted to the switching box.

[0016] The beneficial effects of the utility model are as follows: the switchable objective lens mounting frame can be added to the stage of the microscope imaging device, and can realize the rapid switching of the objective lens, so that it is convenient to switch the objective lens of corresponding magnification and function according to the demand, and it is convenient to deal with the experimental situations with different demands. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a structural schematic diagram of a switchable objective lens mounting frame of the utility model;

[0019] Figure 2 This is a schematic diagram of the bottom structure of a switchable objective lens mounting frame of the utility model;

[0020] Figure 3 It is an exploded schematic diagram of a switchable objective lens mounting frame of the utility model;

[0021] Figure 4 A schematic diagram of the internal structure of the sliding plate disposed in the switching box;

[0022] Figure 5 This is a schematic diagram of an application of a switchable objective lens mounting frame of the utility model;

[0023] Figure 6It is an exploded schematic diagram between the quick connector on the connection base and the corresponding connection piece.

[0024] In the figure: 100, lifting guide bracket; 200, carrier; 300, connecting piece; 310, perforation; 320, embedded hole; 330, block; 340, connecting hole;

[0025] 1. Connecting seat; 11. First light hole; 12. Quick connector;

[0026] 2. Switching box; 2a. Box body; 2b. Box bottom plate; 21. Second light-transmitting hole; 211. Upper hole; 212. Lower hole; 22. Sliding channel; 23. Guide hole;

[0027] 3. Slide plate; 31. Objective lens mounting hole; 32. Magnetic suction piece;

[0028] 4. a shift assembly; 41. a shift block; 42. a connecting rod. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0033] refer to Figure 1-4 , shows a switchable objective lens mounting frame, comprising a connecting seat 1, a switching box 2, a slide plate 3 and a toggle assembly 4; the connecting seat 1 is provided with a first light-through hole 11 that passes through from top to bottom; the switching box 2 is arranged at the bottom of the connecting seat 1, the switching box 2 is provided with a second light-through hole 21 corresponding to the position of the first light-through hole 11, and the switching box 2 is provided with a sliding channel 22 that radially passes through the second light-through hole 21; a strip-shaped guide hole 23 is opened on the side of the switching box 2, and the guide hole 23 is connected to the sliding channel 22; the slide plate 3 is slidably arranged in the sliding channel 22 of the switching box 2, and the slide plate 3 is provided with two objective lens mounting holes 31 that are arranged at intervals along the sliding direction of the slide plate 3; the toggle assembly 4 includes a toggle block 41 located outside the switching box 2, the toggle block 41 is connected to the slide plate 3 through a connecting rod 42, and the connecting rod 42 is slidably arranged in the guide hole 23.

[0034] Specifically, refer to Figure 5 In actual application, the microscopic imaging device is installed on the stage 200, and the stage 200 can be lifted and lowered on the lifting guide bracket 100; the switchable objective lens mounting frame of the utility model can be added to the stage 200, specifically, the connecting seat 1 is installed at the bottom of the stage 200, the first light-through hole 11 on the connecting seat 1 and the second light-through hole 21 on the switching box 2 correspond to the light transmission path of the microscopic imaging device, and the two objective lens mounting holes 31 on the slide plate 3 can be respectively installed with objective lenses corresponding to different needs, and by toggling the dial block 41, the slide plate 3 can be realized to slide in the switching box 2, so that the two objective lens mounting holes 31 can be switched to select one corresponding to the light transmission path of the microscopic imaging device.

[0035] In the above solution, the connection base 1 may be installed on the carrier 200 by bolt connection.

[0036] In some embodiments, in order to make the connection base 1 more convenient to install, refer to Figure 1A quick connector 12 in the shape of an inverted frustum of a cone is disposed on the top of the connection base 1 , and the quick connector 12 is coaxially arranged with the first light-transmitting hole 11 .

[0037] Specifically, when this embodiment is used, a connecting member 300 is pre-installed at the bottom of the carrier 200. Figure 5 and Figure 6 As shown, the connecting member 300 is installed at the bottom of the carrier 200 by bolt connection. The connecting member 300 is provided with a through hole 310 for light to pass through. The bottom of the connecting member 300 is provided with an embedded hole 320 coaxially opened with the through hole 310. The embedded hole 320 is in the shape of a circular hole. The inner wall of the embedded hole 320 is provided with two clamping blocks 330. The profile of the side of the clamping block 330 close to the center of the embedded hole 320 is adapted to the outer wall profile of the quick connector 12. The side wall of the embedded hole 320 is radially provided with a connecting hole 340. The connecting hole 340 is used for threaded connection with a locking screw (not shown). The two clamping blocks 330 and the connecting hole 340 are connected along the embedded hole 320. The quick connector 12 is arranged at equal intervals in the circumferential direction; when installing the switchable objective lens mounting frame of the utility model, the locking screw can be screwed out in the direction away from the center of the embedding hole 320, and the quick connector 12 can be inserted into the embedding hole 320 at this time, and then the locking screw is screwed back in the direction close to the center of the embedding hole 320, so that the end of the locking screw abuts against the side wall of the quick connector 12, and the side wall of the quick connector 12 is fixed by the two clamping blocks 330 and the locking screw, so as to realize the installation of the quick connector 12 on the carrier 200; in this embodiment, the circumferential angle of the quick connector 12 can be adjusted, and the installation position of the switchable objective lens mounting frame of the utility model can be adjusted according to the on-site space.

[0038] The connection seat 1 and the switch box 2 may be connected by bolts.

[0039] In some embodiments, reference Figure 4 When the slide plate 3 is located at the limit position at one end of the sliding channel 22, one of the objective lens mounting holes 31 corresponds to the second light-transmitting hole 21; when the slide plate 3 is located at the limit position at the other end of the sliding channel 22, the other objective lens mounting hole 31 corresponds to the second light-transmitting hole 21. In this way, when operating, the user only needs to move the shift block 41 from one limit position to another limit position, and does not need to spend time comparing whether the moving distance of the shift block 41 has completed the position switching of the objective lens mounting hole 31, making the operation more convenient.

[0040] In some embodiments, in order to further improve the position stability of the slide plate 3, refer to Figure 3 and Figure 4, the two ends of the slide plate 3 along the sliding direction are respectively provided with magnetic parts 32 for magnetic connection with the internal structure of the switch box 2. Among them, the internal structure of the switch box 2 and the magnetic part 32 are magnetically connected, and the switch box 2 can be made of metal, and when the slide plate 3 moves to the extreme positions at both ends, the magnetic part 32 can be adsorbed to the inner wall of the switch box 2 (the two ends of the sliding channel 22); or metal parts, such as metal blocks, metal sheets, and metal bolts, are fixedly provided at both ends of the sliding channel 22, and the metal parts are used to form a magnetic connection with the magnetic part 32.

[0041] Preferably, in this embodiment, metal bolts (not shown) are provided at both ends of the sliding channel 22. The metal bolts are threadedly connected to the switching box 2 and arranged along the length direction of the sliding channel 22. The length of the end of the metal bolt extending into the sliding channel 22 can be adjusted by rotating the metal bolts, thereby changing the extreme sliding position of the slide plate 3 in the sliding channel 22, which is convenient for fine-tuning the position of the objective lens mounting hole 31.

[0042] Specifically, in order to facilitate the installation and removal of the objective lens on the slide plate 3, the objective lens mounting hole 31 is provided with an internal thread.

[0043] For details of the above scheme, please refer to Figure 3 The switching box 2 includes a box body 2a and a box bottom plate 2b, the box body 2a and the box bottom plate 2b are connected and fixed by bolts, the box body 2a is provided with an upper hole 211, the box bottom plate 2b is provided with a lower hole 212, the upper hole 211 and the lower hole 212 form the second light-through hole 21, and the vertical projection of the objective lens mounting hole 31 falls within the range of the lower hole 212. In this embodiment, the lower hole 212 is larger than the objective lens mounting hole 31, and the objective lens can be directly screwed from the bottom of the switching box 2 to complete the installation, removal and replacement of the objective lens on the slide plate 3 without removing the slide plate 3 from the switching box 2.

[0044] It should be noted that the positions of the first light hole 11 and the second light hole 21 correspond to each other, and the positions of the objective lens mounting hole 31 and the second light hole 21 correspond to each other, which means that the light path of the microscopic imaging device can be allowed to pass through.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A switchable objective lens mounting frame, characterized in that: include: A connecting seat, wherein the connecting seat is provided with a first light-through hole which runs through the connecting seat from top to bottom; A switch box, the switch box is arranged at the bottom of the connecting seat, the switch box is provided with a second light-through hole corresponding to the position of the first light-through hole, and the switch box is provided with a sliding channel radially passing through the second light-through hole; a strip-shaped guide hole is opened on the side of the switch box, and the guide hole is connected with the sliding channel; A slide plate, wherein the slide plate is slidably disposed in the slide channel of the switch box, and the slide plate is provided with two objective lens mounting holes arranged at intervals along the sliding direction of the slide plate; A toggle assembly, the toggle assembly includes a toggle block located outside the switch box, the toggle block is connected to the slide plate via a connecting rod, and the connecting rod is slidably arranged in the guide hole.

2. The switchable objective lens mounting frame according to claim 1, characterized in that: When the slide plate is located at the extreme position at one end of the sliding channel, one of the objective lens mounting holes corresponds to the position of the second light-transmitting hole; when the slide plate is located at the extreme position at the other end of the sliding channel, the other objective lens mounting hole corresponds to the position of the second light-transmitting hole.

3. The switchable objective lens mounting frame according to claim 2, characterized in that: Both ends of the slide plate along the sliding direction are respectively provided with magnetic attraction parts for magnetically connecting with the internal structure of the switch box.

4. The switchable objective lens mounting frame according to claim 1, characterized in that: The objective lens mounting hole is provided with an internal thread.

5. The switchable objective lens mounting frame according to claim 1, characterized in that: The switching box includes a box body and a box bottom plate, the box body and the box bottom plate are fixed by bolts, the box body is provided with an upper hole, the box bottom plate is provided with a lower hole, the upper hole and the lower hole form the second light-transmitting hole, and the vertical projection of the objective lens mounting hole falls within the range of the lower hole.

6. The switchable objective lens mounting frame according to any one of claims 1 to 5, characterized in that: A quick connector in the shape of an inverted truncated cone is provided on the top of the connection seat, and the quick connector is coaxially arranged with the first light-through hole.

7. The switchable objective lens mounting frame according to claim 6, characterized in that: The connecting seat is bolted to the switching box.

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