Adjustable gel imager optical filter switching mechanism

Abstract

The utility model provides an adjustable switching mechanism for an optical filter of a gel imager. Relates to the technical field of imager appliances. The adjustable gel imager optical filter switching mechanism comprises a mounting metal plate, an electric push rod is fixedly mounted at the bottom of the mounting metal plate, a carrying frame is fixedly mounted on an output shaft of the electric push rod, a steering shaft is rotatably mounted at the bottom of the carrying frame, a steering disc is fixedly mounted at the bottom end of the steering shaft, and a rotating shaft is fixedly mounted at the bottom end of the steering disc. The top of the steering disc is provided with a plurality of shelving grooves distributed in an annular array, the bottoms of the shelving grooves are all provided with shooting holes, the shelving grooves are all internally provided with optical filter round sleeves, optical filters are fixedly installed in the optical filter round sleeves, and the optical filters are fixedly installed in the optical filter round sleeves. The top end face of the optical filter is slightly lower than the top end face of the optical filter circular sleeve. The optical filter switching device has the advantages of convenience in optical filter switching, short time consumption, high speed and flexibility in operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of imaging instrument, specifically is a kind of adjustable gel imaging instrument filter switching mechanism. BACKGROUND

[0002] ‌Gel imaging instrument is a kind of device for detecting and recording the fluorescence signal of molecule separated by gel electrophoresis, excite fluorescent dye by ultraviolet, collect, enhance and image fluorescence signal using optical system, finally realize imaging and record by digital camera or other imaging equipment, this kind of imaging instrument is generally provided with camera module in its interior, can filter and enhance signal, when using, the gel to be detected is placed below camera module, and corresponding detection and analysis can be carried out by starting equipment.

[0003] However, the excitation / emission wavelength of different fluorescent markers is different, and the matching filter needs to be replaced to accurately capture the signal, and the commonly used replacement mode is generally to stop first, then remove the filter being used, and then screw the corresponding filter on the lens module. This dismounting and replacing mode is more troublesome, and the time consumed is longer, thereby delaying the use of the imaging instrument and not flexible enough.

[0004] Therefore, it is necessary to provide a new adjustable gel imaging instrument filter switching mechanism to solve the above technical problems. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of gel imaging instrument filter switching mechanism of adjustable filter switching convenient, time-consuming short, fast, flexible operation.

[0006] To solve the above technical problems, the adjustable gel imaging instrument filter switching mechanism provided by the utility model comprises: a mounting sheet metal, an electric push rod is fixedly installed at the bottom of the mounting sheet metal, a load frame is fixedly installed on the output shaft of the electric push rod, a steering shaft is rotatably installed at the bottom of the load frame, a steering disc is fixedly installed at the bottom end of the steering shaft, a plurality of annular array distributed resting grooves are formed in the top of the steering disc, a plurality of shooting holes are formed in the bottom of the plurality of resting grooves, a plurality of filter round sleeves are arranged in the plurality of resting grooves, a plurality of filters are fixedly installed in the plurality of filter round sleeves, the top end surface of the filter is slightly lower than the top end surface of the filter round sleeve, a plurality of clamping position grooves are formed in the top of the steering disc, the plurality of clamping position grooves are communicated with the plurality of resting grooves, and a plurality of clamping blocks are arranged in the plurality of clamping position grooves, and the plurality of clamping blocks are fixedly connected with the plurality of filter round sleeves.

[0007] Preferably, a plurality of rubber gaskets are fixedly installed at the top of the plurality of filter round sleeves.

[0008] Preferably, a plurality of half toothed threaded rods are threadedly mounted on the steering disc, a plurality of link blocks are rotatably mounted on the plurality of half toothed threaded rods, the plurality of link blocks are above the steering disc, a bottom of each of the plurality of link blocks is fixedly mounted with a contact head, and the bottom of each of the plurality of contact heads abuts against a top of each of the plurality of clamping blocks.

[0009] Preferably, a plurality of limiting folding rods are fixedly mounted on the plurality of link blocks, and the plurality of limiting folding rods penetrate the steering disc and are in sliding connection with the steering disc.

[0010] Preferably, a bottom of the mounting plate is fixedly mounted with a guide vertical rod, a guide block is slidably mounted on the guide vertical rod, one side of the guide block is fixedly connected with the object carrying frame, a servo motor is fixedly mounted in the object carrying frame, and an output shaft of the servo motor is fixedly connected with a top end of the steering shaft.

[0011] Preferably, a top of the steering disc is provided with a plurality of stability insertion grooves which are the same in number as the resting grooves, a bottom end of the guide vertical rod is fixedly mounted with a fixed bearing piece, a bottom of the fixed bearing piece is fixedly mounted with a plurality of stable curved rods, and bottom ends of the plurality of stable curved rods are respectively inserted into the plurality of stability insertion grooves.

[0012] Preferably, a through insertion groove is formed in the fixed bearing piece, and an inner diameter of the through insertion groove is greater than an outer dimension of the object carrying frame, so that the object carrying frame can smoothly shuttle up and down.

[0013] Compared with the related art, the adjustable gel imaging instrument filter switching mechanism has the following beneficial effects:

[0014] The plurality of resting grooves are arranged on the steering disc, different types of commonly used filters can be placed in the plurality of resting grooves, and when it is necessary to adjust and use different filters, the servo motor is started to rotate the output shaft by a corresponding angle, so that the operation is convenient, the use is flexible, the switching speed is fast, and the long time delay is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The structure diagram of a preferred embodiment of the adjustable gel imaging instrument filter switching mechanism is shown.

[0016] Figure 2 The bottom view structure diagram of the adjustable gel imaging instrument filter switching mechanism is shown.

[0017] Figure 3 The abutting state structure diagram of the clamping block and the contact head is shown.

[0018] Figure 4The utility model discloses a setting diagram of the setting groove, the clamping position sunken groove and the stability insertion groove.

[0019] Figure 5 The utility model discloses a connection structure schematic diagram of fixed bearing piece and stable curved rod.

[0020] Marked number in drawing: 1, install sheet metal; 2, electric push rod; 3, object frame; 4, steering shaft; 5, steering disc; 6, setting groove; 7, filter disc round cover; 8, filter disc; 9, rubber washer; 10, clamping position sunken groove; 11, clamping block; 12, half tooth screw rod; 13, link block; 14, abutting head; 15, servo motor; 16, stability insertion groove; 17, guide vertical pole; 18, fixed bearing piece; 19, stable curved rod. DETAILED DESCRIPTION

[0021] The utility model will be further explained below in connection with the drawings and embodiment.

[0022] Please combine with reference to Figures 1-5 Among them, Figure 1 The utility model provides a kind of preferred embodiment structure schematic diagram of adjustable gel imaging instrument filter switching mechanism provided by the utility model; Figure 2 It is the bottom structure schematic diagram of the utility model; Figure 3 It is the abutting state structure schematic diagram of clamping block and abutting head in the utility model; Figure 4 The utility model discloses a setting diagram of the setting groove, the clamping position sunken groove and the stability insertion groove. Figure 5The utility model discloses a fixed bearing piece and the connecting structure diagram of stable curved rod's connecting structure in fixed bearing piece and the connecting structure diagram of stable curved rod. The adjustable gel imaging instrument filter switching mechanism includes: the bottom fixed mounting of this mounting sheet metal 1 has electric push rod 2, and the output shaft of electric push rod 2 is fixedly installed with the object frame 3, and the bottom of object frame 3 is rotatably installed with the steering shaft 4, and in order to drive steering shaft 4 to carry out accurate angle rotation, fixedly installs servo motor 15 in object frame 3, and its output shaft is fixedly connected with the top of steering shaft 4, and servo motor 15 is the common motor kind on market, and here does not make too much superfluous words, and it can accurate control rotation angle, thereby can ensure that filter 8 and the camera module on imaging instrument correspond with each other, will not cause larger error, and the bottom of steering shaft 4 is fixedly installed with steering disc 5, and a plurality of ring array distribution's rest groove 6 are seted up on its top, and the bottom of every rest groove 6 is seted up with the shooting hole, guarantees the smooth shooting, and every rest groove 6 is equipped with filter round sleeve 7, and filter 8 is fixedly installed in a plurality of filter round sleeve 7, and the top end surface of filter 8 is slightly lower than the top end surface of filter round sleeve 7, and in a plurality of filter round sleeve 7's top, rubber washer 9 is fixedly installed, in use, the rubber washer 9 is attached with the bottom of camera module, can effectively prevent filter round sleeve 7 and camera module between the directness hard contact, forms protection to both.

[0023] And a plurality of clamping position recesses 10 are seted up on the top of steering disc 5, a plurality of clamping position recesses 10 are communicated with a plurality of rest grooves 6 respectively, and a plurality of clamping position recesses 10 are equipped with clamping block 11 respectively, a plurality of clamping block 11 are fixedly connected with a plurality of filter round sleeve 7 respectively, and a plurality of half tooth screw rods 12 are screwly installed on steering disc 5, a plurality of half tooth screw rods 12 are rotatably installed with link block 13, the half tooth screw rod 12 has a smooth section, and link block 13 is rotatably installed on the smooth section, and a plurality of link blocks 13 are all located above steering disc 5, the bottom of a plurality of link blocks 13 is fixedly installed with abutting head 14, and the bottom of a plurality of abutting heads 14 is respectively abutted with the top of a plurality of clamping blocks 11, so as to ensure that filter round sleeve 7 has certain stability when being used normally, will not shake and displace, in addition, a plurality of limit folding rods are fixedly installed on a plurality of link blocks 13, a plurality of limit folding rods all penetrate steering disc 5 and are slidably connected with steering disc 5, play the limiting effect, ensure that link block 13 can carry out straight line lifting under the rotation of half tooth screw rod 12.

[0024] In the mode, in order to prevent the output shaft of electric push rod 2 from suddenly rotating, a guide vertical rod 17 is fixedly installed on the bottom of mounting sheet metal 1, and a guide block is slidably installed on the guide vertical rod 17, and one side of the guide block is fixedly connected with object frame 3.

[0025] And in the above manner, in order to prevent the servo motor 15 in the stop state due to failure or other reasons occur rotation, resulting in filter 8 does not correspond to the camera module, in the top of the steering disc 5 is provided with a plurality of the same number of stable insertion slot 16 with the shelf groove 6, the bottom end of the guide vertical rod 17 is fixedly installed with a fixed bearing piece 18, the bottom of the fixed bearing piece 18 is fixedly installed with a plurality of stable curved rod 19, the bottom end of the plurality of stable curved rod 19 is respectively inserted into the plurality of stable insertion slot 16, play a secondary stabilizing effect, and, a through slot is provided on the fixed bearing piece 18, the inside diameter of the through slot is greater than the outer dimension of the object frame 3, so that it can smoothly shuttle up and down, so that the object frame 3 can smoothly shuttle up and down, and there is no activity interference between the object frame 3 and the fixed bearing piece 18.

[0026] The working principle of the adjustable gel imaging instrument filter switching mechanism provided by the utility model is as follows:

[0027] In use, the installation sheet metal 1 is installed on the inner wall of the gel imaging instrument shell commonly seen on the market, and in the initial state, the output shaft of the electric push rod 2 is in the retracted state, that is, one of the filter sleeves 7 is located directly below the camera module, and the rubber gasket 9 thereon is attached to the lower part of the camera module, thereby forming a use state. In addition, the plurality of filters 8 are all commonly used components.

[0028] When different filters 8 need to be replaced for use, first, the output shaft of the electric push rod 2 is extended, the entire steering disc 5 is driven downward, so that the rubber gasket 9 originally attached to the camera module is downward and finally separated from the camera module. At the same time, the plurality of stable curved rods 19 are also separated from the corresponding stable insertion slots 16. Then, the servo motor 15 is started, so that the output shaft thereof rotates by a corresponding angle, thereby completing the switching of the filter 8 below the camera module. Then, the output shaft of the electric push rod 2 is retracted, so that the corresponding rubber gasket 9 rises and automatically attaches to the bottom of the camera module. At the same time, the plurality of stable curved rods 19 are also respectively inserted into the corresponding stable insertion slots 16, thereby completing the switching of the filter 8.

[0029] In subsequent use, when a batch of commonly used filters 8 need to be replaced, the contact head 14 can be raised and separated from the clamping block 11 by rotating the half-dental threaded rod 12. Then, the filter 8 is lifted together with the clamping block 11 upward. After the filter 8 and the clamping block 11 are lifted to the upper part of the steering disc 5, they can be directly translated and extracted. Then, the required filter 8 is placed in the shelf groove 6, and the clamping block 11 thereon is also inserted into the corresponding clamping block sink 10. After that, the half-dental threaded rod 12 is reversely screwed, and the contact head 14 is used for compression positioning.

[0030] Compared with the related art, the adjustable gel imaging instrument filter switching mechanism has the following beneficial effects:

[0031] The utility model provides a kind of adjustable gel imaging instrument filter switching mechanism, by being set in steering disc 5 Multiple resting groove 6, different types and commonly used filter 8 can be placed in multiple resting groove 6, then, whenever it needs to adjust the use of different filter 8, just start servo motor 15, make its output shaft rotate corresponding angle, it can be realized, convenient operation, it is more flexible to use, switching speed is faster, it will not cause long time delay.

[0032] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. An adjustable gel imaging filter switching mechanism, comprising a mounting sheet metal, characterized in that, An electric actuator is fixedly mounted on the bottom of the mounting sheet metal. A carrying frame is fixedly mounted on the output shaft of the electric actuator. A steering shaft is rotatably mounted on the bottom of the carrying frame. A steering disc is fixedly mounted on the bottom end of the steering shaft. The top of the steering disc has multiple placement slots arranged in a circular array. Each of the placement slots has a shooting hole at its bottom. Each of the placement slots has a filter sleeve. Each of the filter sleeves has a filter fixedly mounted inside it. The top end face of the filter is slightly lower than the top end face of the filter sleeve. The top of the steering disc has multiple locking grooves. Each locking groove communicates with one of the placement slots. Each locking groove has a locking block. Each locking block is fixedly connected to one of the filter sleeves.

2. The adjustable gel imaging filter switching mechanism according to claim 1, characterized in that, Rubber gaskets are fixedly installed on the top of each of the multiple filter sleeves.

3. The adjustable gel imaging filter switching mechanism according to claim 1, characterized in that, The steering disc is threaded with multiple semi-threaded rods, each of which is rotatably mounted with a connecting block. The connecting blocks are located above the steering disc, and each of the connecting blocks has a fixed abutment head at its bottom. The bottom of each abutment head abuts against the top of each locking block.

4. The adjustable gel imaging filter switching mechanism according to claim 3, characterized in that, Each of the connecting blocks is fixedly installed with a limiting lever, and each of the limiting levers passes through the steering disc and is slidably connected to the steering disc.

5. The adjustable gel imaging filter switching mechanism according to claim 1, characterized in that, A guide post is fixedly installed at the bottom of the mounting sheet metal, and a guide block is slidably installed on the guide post. One side of the guide block is fixedly connected to the load frame. A servo motor is fixedly installed inside the load frame, and the output shaft of the servo motor is fixedly connected to the top of the steering shaft.

6. The adjustable gel imaging filter switching mechanism according to claim 5, characterized in that, The top of the steering disc has multiple stabilization slots, the same number as the number of support slots. A fixed bearing plate is fixedly installed at the bottom of the guide rod. Multiple stabilizing curved rods are fixedly installed at the bottom of the fixed bearing plate. The bottom ends of the multiple stabilization curved rods are respectively inserted into the multiple stabilization slots.

7. The adjustable gel imaging filter switching mechanism according to claim 6, characterized in that, The fixed support plate has a through slot, the inner diameter of which is larger than the outer dimensions of the load frame, so that it can move smoothly up and down.

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