Colorimetric device for rapid detection of kit

Abstract

The utility model provides a colorimetric device for rapidly detecting a kit, and belongs to the technical field of kits. Comprising a bottom plate, a shell is fixedly connected to the top of the bottom plate, a colorimetric mechanism and a rotating support used for placing a sample test tube to be detected are installed in the shell, and a rotating cavity capable of being communicated to the outside of the bottom plate is formed in the bottom plate; the bottom of the rotating support penetrates into the rotating cavity and is fixedly connected with a first gear, and a rotating mechanism capable of rotating the first gear is installed in the rotating cavity. The colorimetric mechanism and the pushing mechanism are arranged, so that the colorimetric plate can be operated for colorimetric operation only by pressing one stand column when a corresponding color is found without using too many push rods, a user does not need to worry that other push rods are touched by mistake, and the colorimetric plate can be automatically reset only by loosening the stand column again when the color is not correct; colorimetric can be carried out again by rotating the rotating handle, so that the operation step of manually resetting the colorimetric plate is reduced.

Description

Technical Field

[0001] This utility model relates to the field of reagent kit technology, and in particular to a colorimetric device for a rapid detection reagent kit. Background Technology

[0002] A test kit is a device used to detect specific substances. It typically consists of a set of chemicals and indicators. When the substance being tested reacts with these chemicals, the color or form of the indicator changes, thus indicating the detection result of the substance.

[0003] Existing technologies, such as CN220772908U, utilize a combination of several pushers and colorimetric plates of different chromaticities to eliminate the need for frequent removal and replacement of colorimetric plates during reagent colorimetric analysis. However, due to the similarity of some colors during colorimetric analysis, it is necessary to compare samples one by one using similar but different colorimetric plates. This requires operators to locate the pusher corresponding to the similar colorimetric plate, repeatedly push the pusher in different positions, and manually reset it, which is still labor-intensive. In actual operation, there is also a risk of accidentally touching other pushers. Furthermore, rotating the sample within the reagent kit requires manual rotation, which is difficult to control in terms of rotation force and angle. Using a motor would increase manufacturing costs, and disassembly and repair would be inconvenient when internal parts malfunction and require replacement. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a colorimetric device for rapid detection kits, which can reduce the operation steps of manually resetting the colorimetric plate and save the staff's energy.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A colorimetric device for a rapid detection kit includes a base plate, a housing fixedly connected to the top of the base plate, a colorimetric mechanism and a rotating bracket for placing test tubes of samples to be tested are installed inside the housing; a rotating cavity is opened inside the base plate and can communicate with the outside of the base plate; the bottom of the rotating bracket extends through the interior of the rotating cavity and is fixedly connected to a first gear; a rotating mechanism capable of rotating the first gear is installed inside the rotating cavity.

[0007] The colorimetric mechanism includes a rotating handle disposed above the housing, a connecting shaft that extends through the interior of the housing is fixedly connected to the bottom of the rotating handle, and a turntable that covers the connecting shaft is fixedly connected to the outer surface of the connecting shaft.

[0008] The outer surface of the turntable has several inverted trapezoidal first slots in a circumferential shape. The bottom of the turntable abuts against the top of the housing. The bottom of the connecting shaft is fixedly connected to a frustum inside the housing.

[0009] The outer surface of the truncated cone is provided with a circular groove that is aligned with the first slot and has the same number of grooves. A colorimeter plate is slidably connected inside each groove. A first spring is fixedly connected to the bottom of the groove, and the end of the first spring away from the bottom of the groove is fixedly connected to the colorimeter plate.

[0010] The rotating mechanism includes a protrusion, a connecting rod, a second spring, and a limiting mechanism. The limiting mechanism includes a sliding plate that can slide inside the rotating cavity. A second gear that can mesh with the first gear is rotatably connected to the top of the sliding plate near the first gear.

[0011] A round bar is fixedly connected to the top of the second gear at an off-center position. A limit plate is fixedly connected to the top of the pull plate. A limit groove is formed on the limit plate. The bottom of the protrusion abuts against the top of the pull plate. The protrusion extends out of the rotating cavity.

[0012] The protrusion is rotatably connected to the connecting rod on the side near the limiting plate. The connecting rod passes through the limiting groove and is sleeved with the round bar. The second spring is installed between the protrusion and the limiting plate. A dust cover adapted to the rotating cavity and used to protect the rotating cavity is fixedly connected to the top of the limiting plate. The side of the dust cover near the connecting shaft is in contact with the connecting shaft.

[0013] The top of the housing is equipped with a pushing mechanism for pushing the colorimeter. The pushing mechanism includes a limiting block fixedly connected to the top of the housing. A locking block is slidably connected inside the limiting block. A third spring is fixedly connected to the bottom of the locking block. The side of the third spring away from the locking block is fixedly connected to the top of the housing. A column is fixedly connected to the side of the locking block near the connecting shaft. The bottom of the column penetrates the top of the housing and abuts against the top of the colorimeter. A second slot is provided on the side of the column near the turntable. The second slot is adapted to the turntable.

[0014] A rotating door is rotatably connected to one side of the housing, and an observation window is provided on the rotating door to observe the interior of the housing.

[0015] A light is fixedly connected to the inner wall of the housing on the side away from the rotating door to facilitate observation of the test results.

[0016] A fixing frame is fixedly connected to the outer wall of the side of the base plate where the rotating cavity is opened. On the side of the fixing frame away from the base plate, there are rotatably connected blocks on both sides of the pull plate to limit the sliding of the pull plate.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] This invention, by setting up a colorimetric mechanism and a pushing mechanism, allows the test tube of the sample to be tested to be placed on a rotating support during colorimetric testing. This eliminates the need for numerous push rods. When the corresponding color is found, simply pressing one column is sufficient to operate the colorimetric plate for colorimetric comparison, without the risk of accidentally touching other push rods. Furthermore, if the color is incorrect, simply releasing the column will automatically reset the colorimetric plate, and rotating the handle will allow for re-colorimetric comparison. This reduces the need for manual resetting of the colorimetric plate, saving staff time and effort.

[0019] This invention, by setting up a rotating mechanism, allows for the switching of test tubes for the samples to be tested, saving manufacturing costs. When a test tube that has completed colorimetric analysis rotates out of the housing, it can be directly removed and a new test tube inserted, facilitating sample replacement and disassembly. When internal parts malfunction and require repair or replacement, simply rotating the latches on both sides of the sliding plate releases the limiting mechanism, allowing the sliding plate to be pulled out of the rotating cavity for repair or replacement. At this time, the rotating bracket can also be removed for cleaning and maintenance. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of a colorimetric device used in a rapid detection kit;

[0021] Figure 2 This is a partial cross-sectional view of the front of a colorimetric device used in a rapid detection kit.

[0022] Figure 3 This is a magnified three-dimensional schematic diagram of the colorimetric mechanism;

[0023] Figure 4 A three-dimensional enlarged structural diagram of the rotating mechanism and rotating support after assembly;

[0024] Figure 5 This is a three-dimensional enlarged structural diagram of the limiting mechanism;

[0025] Figure 6 This is a three-dimensional enlarged structural diagram of the locking mechanism;

[0026] Figure 7 for Figure 1 Enlarged structural diagram at point A in the middle.

[0027] [Figure Labels]

[0028] 1. Base plate; 2. Housing; 3. Color matching mechanism; 31. Rotating handle; 32. Connecting shaft; 33. Turntable; 34. First slot; 35. Frustum; 36. Slide groove; 37. Color matching plate; 38. First spring; 4. Rotating mechanism; 41. Protrusion; 42. Connecting rod; 43. Second spring; 5. Limiting mechanism; 51. Pull-out plate; 52. Second gear; 53. Limiting plate; 54. Limiting groove; 55. Round bar; 6. Pushing mechanism; 61. Limiting block; 62. Column; 63. Locking block; 64. Second slot; 65. Third spring; 7. Rotating bracket; 8. Revolving door; 9. Observation window; 10. Lighting lamp; 11. Dust cover; 12. First gear; 13. Fixing frame; 14. Clip; 15. Rotating cavity. Detailed Implementation

[0029] The colorimetric device for a rapid detection kit provided by this utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] like Figures 1-3 and Figure 6 As shown, a colorimetric device for a rapid test kit includes a base plate 1, a housing 2 fixedly connected to the top of the base plate 1, a colorimetric mechanism 3 and a rotating bracket 7 for placing test tubes of samples to be tested are installed inside the housing 2; a rotating cavity 15 that can communicate with the outside of the base plate 1 is opened inside the base plate 1, the bottom of the rotating bracket 7 extends through the interior of the rotating cavity 15 and is fixedly connected to a first gear 12, and a rotating mechanism 4 that can rotate the first gear 12 is installed inside the rotating cavity 15;

[0031] The colorimetric mechanism 3 includes a rotating handle 31 disposed above the housing 2. A connecting shaft 32 that penetrates into the interior of the housing 2 is fixedly connected to the bottom of the rotating handle 31. A turntable 33 that covers the connecting shaft 32 is fixedly connected to the outer surface of the connecting shaft 32.

[0032] The outer surface of the turntable 33 is provided with several inverted trapezoidal first slots 34 in a circumferential shape. The bottom of the turntable 33 abuts against the top of the housing 2. The bottom of the connecting shaft 32 is fixedly connected to a frustum 35 inside the housing 2.

[0033] The outer surface of the truncated cone 35 is provided with a circular groove 36 that is aligned with the first slot 34 and has the same number of grooves. A colorimeter plate 37 is slidably connected inside each groove 36. A first spring 38 is fixedly connected to the bottom of the groove 36. The end of the first spring 38 away from the bottom of the groove 36 is fixedly connected to the colorimeter plate 37.

[0034] The top of the housing 2 is equipped with a pushing mechanism 6 for pushing the colorimeter 37. The pushing mechanism 6 includes a limiting block 61 fixedly connected to the top of the housing 2. A locking block 63 is slidably connected inside the limiting block 61. A third spring 65 is fixedly connected to the bottom of the locking block 63. The side of the third spring 65 away from the locking block 63 is fixedly connected to the top of the housing 2. A column 62 is fixedly connected to the side of the locking block 63 near the connecting shaft 32.

[0035] The bottom of the column 62 penetrates the top of the housing 2 and abuts against the top of the colorimetric plate 37. A second slot 64 is provided on the side of the column 62 near the turntable 33, and the second slot 64 is adapted to the turntable 33. A rotating door 8 is rotatably connected to one side of the housing 2. An observation window 9 is provided on the rotating door 8 to observe the interior of the housing 2. An illumination lamp 10 is fixedly connected to the inner wall of the side of the housing 2 away from the rotating door 8 to facilitate observation of the test results.

[0036] By setting up the colorimetric mechanism 3 and the pushing mechanism 6, when performing colorimetric testing, the test tube of the sample to be tested is placed on the rotating support 7, the lighting lamp 10 is turned on, and after the test tube is rotated to the bottom of the frustum 35 by the rotating support 7, the rotating handle 31 is turned according to the reagent color, and the turntable 33 and the frustum 35 are driven to rotate through the connecting shaft 32.

[0037] Rotate the appropriate colorimeter 37 above the test tube. At this time, press the column 62 down so that the locking block 63 squeezes the third spring 65 inside the limiting block 61. At the same time, the column 62 slides inside the first slot 34 on the turntable 33, restricting the rotation of the turntable 33 and the connecting shaft 32. The bottom of the column 62 squeezes the colorimeter 37, so that the colorimeter 37 moves downward inside the slide groove 36, squeezing the first spring 38.

[0038] When the colorimetric plate 37 is pressed to the bottom, it overlaps with the test tube of the sample to be tested. At this time, the staff can observe and perform colorimetric comparison through the observation window 9. If the color is incorrect, the column 62 can be released, allowing the colorimetric plate 37 to be reset by the first spring 38. The column 62 is also reset by the rebounding colorimetric plate 37 and the third spring 65. The column 62 releases its restriction on the turntable 33 and the connecting shaft 32. Then, the rotating handle 31 is rotated to move the next colorimetric plate 37 above the test tube of the sample to be tested, and the column 62 is pressed again. This process is repeated. The advantage of this method is that it does not require the use of too many push rods. When the corresponding color is found, only one column 62 needs to be pressed to operate the colorimetric plate 37 for colorimetric comparison. There is no need to worry about accidentally touching other push rods. If the color is incorrect, simply releasing the column 62 will allow the colorimetric plate 37 to automatically reset. Then, rotating the rotating handle 31 will allow for colorimetric comparison again. This reduces the number of manual reset steps for the colorimetric plate 37 and saves the staff's energy.

[0039] like Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 7 As shown, the rotating mechanism 4 includes a protrusion 41, a connecting rod 42, a second spring 43, and a limiting mechanism 5. The limiting mechanism 5 includes a pull plate 51 that can slide inside the rotating cavity 15. The top of the pull plate 51 is rotatably connected to a second gear 52 that can mesh with the first gear 12 on the side near the first gear 12.

[0040] A round bar 55 is fixedly connected to the top of the second gear 52 at an off-center position. A limit plate 53 is fixedly connected to the top of the pull plate 51. A limit groove 54 is opened on the limit plate 53. The bottom of the protrusion 41 abuts against the top of the pull plate 51. The protrusion 41 extends out of the rotating cavity 15. The side of the protrusion 41 near the limit plate 53 is rotatably connected to the connecting rod 42. The connecting rod 42 passes through the limit groove 54 and is sleeved with the round bar 55. The second spring 43 is installed between the protrusion 41 and the limit plate 53. A dust cover 11 adapted to the rotating cavity 15 and used to protect the rotating cavity 15 is fixedly connected to the top of the limit plate 53. The side of the dust cover 11 near the connecting shaft 32 is in contact with the connecting shaft 32.

[0041] A fixing frame 13 is fixedly connected to the outer wall of the base plate 1 on one side where the rotating cavity 15 is opened. On the side of the fixing frame 13 away from the base plate 1, there are rotatably connected blocks 14 on both sides of the pull plate 51 to limit the sliding of the pull plate 51.

[0042] By setting up a rotating mechanism 4, when it is necessary to rotate the rotating bracket 7 to replace the test tube of the sample to be tested, it is only necessary to push the protrusion 41 into the interior of the rotating cavity 15, so that the connecting rod 42 pushes the round bar 55 to drive the second gear 52 to rotate, while the protrusion 41 squeezes the second spring 43; when the protrusion 41 is pushed to the bottom, the protrusion 41 is released, the second spring 43 rebounds and resets, so that the second gear 52 rotates a full circle and then resets. When the second gear 52 rotates, it will cause the first gear 12 meshing with the second gear 52 to rotate, which will drive the rotating bracket 7 to rotate at a certain angle, so that the test tube of the new sample to be tested on the rotating bracket 7 can be rotated to the bottom of the colorimetric plate 37, and then it can be tested and colorimetrically compared. The advantage of this is that the rotating bracket 7 can be rotated without the need for a motor, so that the test tube of the sample to be tested can be switched, saving manufacturing costs. When a test tube that has been colorimetrically compared is rotated out of the housing 2, the test tube can be directly taken out and a new test tube can be put in, which facilitates the replacement of samples and is also easy to disassemble.

[0043] When internal parts malfunction and require repair or replacement, simply rotate the latches 14 on both sides of the pull plate 51 to release the limit on the pull plate 51, and directly pull the pull plate 51 out of the rotating cavity 15 to repair or replace the parts. At this time, the rotating bracket 7 can also be pulled out for cleaning and maintenance.

[0044] The technical solution provided by this utility model, by setting a colorimetric mechanism 3 and a pushing mechanism 6, when performing colorimetric testing, the test tube of the sample to be tested is placed on a rotating support 7, the lighting lamp 10 is turned on, and after the test tube is rotated to below the frustum 35 by the rotating support 7, the rotating handle 31 is rotated according to the color of the reagent.

[0045] The rotating turntable 33 and frustum 35 are driven by the connecting shaft 32 to rotate the appropriate colorimetric plate 37 above the test tube. At this time, the column 62 is pressed down, so that the locking block 63 squeezes the third spring 65 inside the limiting block 61. At the same time, the column 62 slides inside the first locking groove 34 on the turntable 33, restricting the rotation of the turntable 33 and the connecting shaft 32. The bottom of the column 62 squeezes the colorimetric plate 37, so that the colorimetric plate 37 moves downward inside the sliding groove 36, squeezing the first spring 38. When the colorimetric plate 37 is about to be squeezed to the bottom, the colorimetric plate 37 overlaps with the test tube of the sample to be tested. At this time, the staff can observe and perform colorimetric comparison through the observation window 9.

[0046] If the color is incorrect, the column 62 can be released, allowing the colorimetric plate 37 to spring back to its original position by the first spring 38. The column 62 is then driven back to its original position by the springing colorimetric plate 37 and the third spring 65, releasing the column 62 from its limiting position on the turntable 33 and the connecting shaft 32. Then, continue to rotate the rotary handle 31 to move the next colorimetric plate 37 above the test tube of the sample to be tested, and continue to press the column 62. Repeat this operation. The advantage of this method is that it does not require the use of too many push rods. When the corresponding color is found, only one column 62 needs to be pressed to operate the colorimetric plate 37 for colorimetric comparison. There is no need to worry about accidentally touching other push rods. Moreover, if the color is incorrect, simply release the column 62 again to allow the colorimetric plate 37 to automatically reset, and then rotate the rotary handle 31 to re-match the color. This reduces the number of manual reset steps for the colorimetric plate 37 and saves the staff's energy.

[0047] By setting up the rotating mechanism 4, when it is necessary to rotate the rotating support 7 to replace the test tube of the sample to be tested, simply push the protrusion 41 into the rotating cavity 15, causing the connecting rod 42 to push the round bar 55 to drive the second gear 52 to rotate. At the same time, the protrusion 41 compresses the second spring 43. When the protrusion 41 is pushed all the way down, it is released, and the second spring 43 rebounds and resets, causing the second gear 52 to rotate a full revolution and then reset. When the second gear 52 rotates, it causes the first gear 12 meshing with the second gear 52 to rotate, driving the rotating support 7 to rotate at a certain angle, so that the test tube of the new sample to be tested on the rotating support 7 can be rotated to the colorimetric plate 37. Below, colorimetric analysis can be performed. The advantage of this is that the rotating bracket 7 can be rotated without the need for a motor, allowing the test tubes of the samples to be tested to be switched, saving manufacturing costs. When a test tube that has completed colorimetric analysis rotates out of the housing 2, the test tube can be directly removed and a new test tube can be inserted, which facilitates sample replacement and disassembly. When internal parts malfunction and need to be repaired or replaced, simply rotate the latches 14 on both sides of the pull plate 51 to release the limit on the pull plate 51, and directly pull the pull plate 51 out of the rotating cavity 15 for repair or replacement of the parts. At this time, the rotating bracket 7 can also be pulled out for cleaning and maintenance.

[0048] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A colorimetric device for use in a rapid detection test kit, characterized in that, include: A base plate (1) is provided, and a housing (2) is fixedly connected to the top of the base plate (1). A colorimetric mechanism (3) and a rotating bracket (7) for placing test tubes of samples to be tested are installed inside the housing (2). A rotating cavity (15) is provided inside the base plate (1) and can be connected to the outside of the base plate (1). The bottom of the rotating bracket (7) extends through the interior of the rotating cavity (15) and is fixedly connected to a first gear (12). A rotating mechanism (4) that can rotate the first gear (12) is installed inside the rotating cavity (15). The colorimetric mechanism (3) includes a rotating handle (31) disposed above the housing (2), and a connecting shaft (32) that penetrates into the interior of the housing (2) is fixedly connected to the bottom of the rotating handle (31). A turntable (33) that covers the connecting shaft (32) is fixedly connected to the outer surface of the connecting shaft (32). The outer surface of the turntable (33) is provided with several inverted trapezoidal first slots (34) in a circumferential shape. The bottom of the turntable (33) abuts against the top of the housing (2). The bottom of the connecting shaft (32) is fixedly connected to a frustum (35) inside the housing (2). The outer surface of the truncated cone (35) is provided with a circular groove (36) that is aligned with the first slot (34) and has the same number of grooves. A colorimeter plate (37) is slidably connected inside each groove (36). A first spring (38) is fixedly connected to the bottom of the groove (36). The end of the first spring (38) away from the bottom of the groove (36) is fixedly connected to the colorimeter plate (37).

2. The colorimetric device for a rapid test kit according to claim 1, characterized in that, The rotating mechanism (4) includes a protrusion (41), a connecting rod (42), a second spring (43), and a limiting mechanism (5). The limiting mechanism (5) includes a sliding plate (51) that can slide inside the rotating cavity (15). The top of the sliding plate (51) is rotatably connected to a second gear (52) that can mesh with the first gear (12) on the side near the first gear (12). A round bar (55) is fixedly connected to the top of the second gear (52) at a position off-center. A limiting plate (53) is fixedly connected to the top of the pull plate (51). A limiting groove (54) is opened on the limiting plate (53). The bottom of the protrusion (41) abuts against the top of the pull plate (51). The protrusion (41) extends out of the rotating cavity (15). The protrusion (41) is rotatably connected to the connecting rod (42) on the side near the limiting plate (53). The connecting rod (42) passes through the limiting groove (54) and is sleeved with the round bar (55). The second spring (43) is installed between the protrusion (41) and the limiting plate (53). A dust cover (11) adapted to the rotating cavity (15) and used to protect the rotating cavity (15) is fixedly connected to the top of the limiting plate (53). The dust cover (11) is close to the connecting shaft (32) on the side near the connecting shaft (32).

3. The colorimetric device for a rapid test kit according to claim 1, characterized in that, The top of the housing (2) is equipped with a pushing mechanism (6) for pushing the colorimetric plate (37). The pushing mechanism (6) includes a limiting block (61) fixedly connected to the top of the housing (2). A locking block (63) is slidably connected inside the limiting block (61). A third spring (65) is fixedly connected to the bottom of the locking block (63). The side of the third spring (65) away from the locking block (63) is fixedly connected to the top of the housing (2). The card block (63) is fixedly connected to a column (62) on the side near the connecting shaft (32). The bottom of the column (62) penetrates the top of the housing (2) and abuts against the top of the colorimeter plate (37). A second slot (64) is provided on the side of the column (62) near the turntable (33). The second slot (64) is adapted to the turntable (33).

4. The colorimetric device for a rapid detection test kit according to claim 1, characterized in that, A rotating door (8) is rotatably connected to one side of the housing (2), and an observation window (9) is provided on the rotating door (8) to observe the interior of the housing (2).

5. The colorimetric device for a rapid test kit according to claim 4, characterized in that, An illumination lamp (10) is fixedly connected to the inner wall of the housing (2) on the side away from the rotating door (8) to facilitate observation of the test results.

6. The colorimetric device for use in a rapid test kit according to claim 2, characterized in that, A fixing frame (13) is fixedly connected to the outer wall of the side of the base plate (1) where the rotating cavity (15) is opened. The side of the fixing frame (13) away from the base plate (1) is rotatably connected to the two sides of the pull plate (51) for limiting the sliding of the pull plate (51).

Images