WO2013123661A1 - Test strip dispensing device for fully-automatic dry chemical analyzer - Google Patents
Test strip dispensing device for fully-automatic dry chemical analyzer Download PDFInfo
- Publication number
- WO2013123661A1 WO2013123661A1 PCT/CN2012/071521 CN2012071521W WO2013123661A1 WO 2013123661 A1 WO2013123661 A1 WO 2013123661A1 CN 2012071521 W CN2012071521 W CN 2012071521W WO 2013123661 A1 WO2013123661 A1 WO 2013123661A1
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- WIPO (PCT)
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- test
- push
- test strip
- test box
- box
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00029—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor provided with flat sample substrates, e.g. slides
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00029—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor provided with flat sample substrates, e.g. slides
- G01N2035/00039—Transport arrangements specific to flat sample substrates, e.g. pusher blade
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00029—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor provided with flat sample substrates, e.g. slides
- G01N2035/00099—Characterised by type of test elements
- G01N2035/00108—Test strips, e.g. paper
Definitions
- the present invention relates to an automatic dry chemical analyzer, and more particularly to a fully automatic dry chemical analyzer test strip dispensing device.
- test paper is placed on the side of the single reaction paper, and sent to the sample loading position, and each sample test paper is sampled by the sample needle and then sent to the instrument detection position for detection.
- the shortcomings of this method are mainly: a. It is difficult for the paper separation mechanism to ensure that all the test strips that are sent out are test paper faces up, and all are sent to the sample or detection position without bias. Therefore, the sample misdetection and the test paper waste phenomenon sometimes occur; b. Even if the test paper is normally sent to the sample loading position, it is difficult to ensure that each test paper block can be sampled and cause a certain Detection of missing items;
- test paper is immersed in the sample by the robot, and then the test paper impregnated with the sample is sent to the instrument detection position for detection.
- This approach solves the defect b of the previous method, but the defect a still exists, and the sample is contaminated and the excess sample causes contamination of the working environment because the reagent component on the test paper enters the sample.
- test paper can be conveniently stored to ensure that the test surface of the test strip faces upward, and each test item can be sampled, and the sample can be effectively avoided.
- Automatic dry chemical analyzer test strip dispensing device for contaminated working environment.
- an automatic dry chemical analyzer test strip dispensing device which comprises a plurality of test boxes equipped with test strips, which are stored in the test
- the test box conveying mechanism pushes the test box stored in the test box placing device to the test strip separation position, and the test strip dispensing mechanism will be in the test box in which the test strip is separated.
- the test strips are separated one by one and pushed one by one to the sample loading position.
- a sample loading device consisting of the pump valve line and the sample loading arm draws the sample and the test strip pushed to the sampled position is sampled by the leaching method.
- the test strip with the sample added is then pushed to the test position for detection by the testing mechanism.
- the test box is provided with a test strip outlet near one side of the test box, and the bottom of the test box is provided with a groove perpendicular to the test strip, and the test strip is layered and placed in the test box in a test-facing manner.
- the test box mounting device includes a top plate and a bottom plate, and the top plate and the bottom plate are supported by a pin connection, so that a cavity for storing the test box is formed between the top plate and the bottom plate.
- the pin on the output end of the test box mounting device is pivotally provided with a swinging plate disposed behind the storage test box, and an auxiliary pin is further disposed on the front side of the pin.
- a column, a tension spring is arranged between the auxiliary pin and the swing plate, so that the swingable swing plate is pulled by the tension spring and pressed on the test box.
- the driving mechanism includes a main motor, the main motor has an output shaft connected to the main and slave synchronous wheels, and the main and slave synchronous wheels are arranged with a timing belt, and the main and slave synchronous wheels are provided with a guide rod.
- the guiding rod is sleeved on the guiding rod, and the upper part of the guiding block is fixed with the lower section of the timing belt.
- the test box conveying mechanism comprises a mounting plate, the inside of the mounting plate is laterally mounted with two sliding bars, and the sliding rails are disposed between the two sliding bars, and the two sides of the double sliding slider are respectively sleeved on the two sliding bars
- Two sides of a "T" type pushing block are respectively sleeved on two sliding rods located in the double sliding block, and a first compression spring is arranged between the double sliding block and the pushing block, and the middle part of the pushing block is sleeved on the sliding
- one end of the double-type slider is provided with an automatically resetting claw
- the push block is provided with an automatically resettable claw
- the bottom surface of the push block is fixedly connected with a connecting plate, the connecting plate and the driving
- the guiding block of the mechanism is fixedly connected, and one end of the mounting plate is further provided with a first stop which can be automatically reset.
- the test strip dispensing mechanism includes a base, two sides of the base are mounted, and a push rail is disposed on the base between the two supports, and the bottom side of the push slide is installed There is a motor, the output shaft of the push-out motor protrudes to the other side of the push-out rail, and the output shaft of the push-out rail is mounted with a push-out main synchronous wheel, and the bottom of the push-out rail is pivoted from the other end of the slide rail.
- the push-out main belt and the slave synchronous wheel are arranged to push out the timing belt, and the upper part of the push-out belt is fixedly arranged to push out the push rod frame, and the middle part of the push rod frame is also sleeved on the pushing slide rail, so that the push rod
- the rack can be smoothly moved along the push rail, and the push rod frame is provided with juxtaposed push rods, and the front end of the push rods defines a notch for accommodating the test strip, and the height of the notch is greater than one and less than The height of 2 test strips.
- test box conveying mechanism can also include a line rail, the sliding rail is sleeved on the line rail, and the pushing member is fixedly connected with the guiding block of the driving mechanism, so that the main motor can be Driving the pusher member to move along the line.
- the pusher member is pivotally provided with a push pin, the lower end of the push pin protrudes from the push pin member, and abuts against one side of the outermost test box located in the test box mounting device, and the upper end of the push pin is coupled to the second compression spring
- the push part is connected, and a second baffle is arranged on the side of the test strip separation position.
- the push test box is moved to the test strip separation position by the second baffle, and then moved with the push part It is placed against the top side of the test box and finally moved to the other side of the test box to prepare for returning the test box.
- the present invention has the following beneficial effects:
- the test strip used in the present invention is stored in the test box.
- the push rod moves back and forth through the groove at the bottom of the test box, and the test strip falling on the front end of the push rod is pushed one by one to the sample loading position, and is pushed.
- the push slide rail disposed under the push rod frame ensures that the push rod can smoothly move forward with the test strip, so that the test strip can be pushed to the sample loading position without being biased, and after being sent to the sample loading position,
- the sample loading device adopts the leaching method to load the test strips, so that each test block on the test strip can be spotted, and the item missed condition is not caused because the sample is not spotted. [0012] 2.
- the present invention is further provided with a chute in the lower part of the front end of the push rod, the front end of the chute is facing downward, and the front end of the chute is provided with a flip tip through a compression spring, and the inverted tip is located at the front end of the push rod.
- the inverted tip abuts against the front side of the test strip, and as the test strip advances forward, the inverted tip presses the compression spring to move under the chute, thereby further ensuring that the test strip pushed by the push rod can be unbiased. Improperly pushed to the sample position.
- the invention puts the test paper or reagent in the test slot, and puts the test strips into the test box in the order of the test surface, which is not only convenient for storage, but also can effectively ensure the detection during the sample loading.
- the test surface is facing up, and does not cause the sample to be misdetected and the test paper is wasted, and the total weight of the test strip is increased due to the addition of the test slot, so that the flipping, winding and offset are less likely to occur during the transfer process.
- the test tank can also carry excess specimen liquid so that it does not flow directly onto the workbench, polluting the working environment.
- the multi-item chemical reaction test paper is embedded in the test slot and rests on the protrusion on the bottom of the groove, so as to effectively block the side leakage of the sample liquid on the test paper, and the sample liquid used in each test item does not flow together. , effectively avoiding cross-contamination between adjacent projects.
- the multi-item chemical reaction test strip used in the present invention may also be a test tank having a plurality of reaction pores at the inner bottom, each of which contains different chemical reaction reagents, each of which is a reaction well.
- the independent space can effectively block the side leakage of the reaction liquid of each project to avoid cross-contamination between adjacent projects.
- FIG. 1 is a schematic view of the overall structure of the present invention.
- FIG. 2 is a schematic structural view of a test box mounting device of the present invention.
- FIG 3 is a schematic structural view of a driving mechanism of the present invention.
- FIG. 4 is a schematic structural view of a first embodiment of a test box conveying mechanism of the present invention.
- FIG. 5 is a schematic view showing the action state of the first embodiment of the test box conveying mechanism of the present invention.
- FIG. 6 is a schematic structural view of a test strip dispensing mechanism of the present invention.
- FIG. 7A is a schematic structural view of a first embodiment of a test strip of the present invention.
- FIG. 7B is a schematic structural view of a second embodiment of the test strip of the present invention.
- FIG. 8 is a perspective exploded view of an embodiment of a test box structure of the present invention.
- FIG. 9 is a perspective view of the stereo combination of FIG. 8.
- FIG. 10 is a schematic view showing a state in which a test strip of the present invention is pushed from a test cartridge mounting device to a sample loading position.
- FIG. 11 is a schematic view showing the structure and operation state of a second embodiment of the test box conveying mechanism of the present invention.
- FIG. 12 is a schematic structural view of a second embodiment of a test strip dispensing mechanism according to the present invention.
- the automatic dry chemical analyzer test strip dispensing device of the present invention comprises a test with a test strip installed thereon. a cassette 5, a test box mounting device 6 and a drive mechanism 7, a test box transport mechanism 8, a test strip dispensing mechanism 9, and a sample loading device consisting of a pump valve line and a sample loading arm (the sample loading device is a known structure)
- the applicant only changes the loading mode of the sample loading device from the original spotting mode to the splicing mode, so that each test block on the test strip can be spotted, not because The item missed condition does not appear in the sample, and the improvement is completely realized by the control software, so the structure of the sample loading device is not described too much here.
- the test box mounting device 6 includes a top plate 29 and a bottom plate 33.
- the top plate 29 and the bottom plate 33 are connected and supported by a pin 31, thereby forming a cavity between the top plate 29 and the bottom plate 33.
- An oscillating plate 30 disposed at the rear of the storage test box 5 is pivotally disposed on the pin 31 of the output of the test box mounting device 6.
- the front side of the pin 31 is further provided with an auxiliary pin 311, and the auxiliary pin 311 is
- a tension spring 32 is provided between the swinging plates 30 to cause the swingable swinging plate 30 to be pulled by the tension spring 32, thereby pressing the test box 5.
- the driving mechanism 7 includes a motor bracket 11, one end of the motor bracket 11 locks the main motor 10, and the main synchronous wheel 13 is mounted on the output shaft of the main motor 10, and the motor bracket 11 is mounted on the output shaft of the main motor 10.
- the other end is provided with a timing belt 14', and the timing belt 14 is wound around the main and slave timing wheels 13, 13'.
- a guide bar 15 is disposed below the main and slave synchronous wheels 13, 13', and a guide block 12 is disposed on the guide bar 15, and an upper portion of the guide block 12 is fixed to a lower portion of the timing belt 14.
- the main motor 10 is a stepping motor capable of realizing forward and reverse rotation, and can drive the synchronous wheel 13 to perform forward and reverse rotation, so that the guide block 12 can be slid along the guide rod 15 by the timing belt 14 disposed thereon.
- the test box transport mechanism 8 includes a mounting plate 16, and the inside of the mounting plate 16 is laterally mounted with two sliding bars 19, and a sliding rail 24 is disposed between the two sliding bars 19.
- the two sides of a double slider 18 are respectively sleeved on the two slide bars 19.
- Two sides of a "T" type push block 22 are respectively sleeved on the two sliding bars 19 located in the double block slider 18, and a first compression spring 20 is disposed between the double block slider 18 and the push block 22, so that the push block is When the 22 is in motion, the double slider 18 also acts accordingly, and the middle portion of the push block 22 is sleeved on the slide rail 24.
- One end of the double slider 18 is provided with two first torsion springs 25, and each of the first torsion springs 25 is provided with a claw 26.
- the push block 22 is mounted with a finger 23 via a second torsion spring 21 so that the finger 23 can be rotated by a specific angle.
- the bottom surface of the push block 22 is fixedly connected to a connecting plate 17, and the connecting plate 17 is fixedly connected to the guiding block 12 of the driving mechanism 7.
- One end of the mounting plate 16 is also provided with a first stopper 28 via a third torsion spring 27 such that the first stopper 28 can be rotated by a specific angle.
- the first torsion springs 28 are respectively rotated by the first torsion springs 25, and the second torsion springs 27 are rotated by a certain angle by the first torsion springs 28, and then the claws 26, After the limit condition of the finger 23 and the first stopper 28 is released, the automatic reset can be performed, but the present invention is not limited thereto, and any measure for automatically resetting the claw 26, the finger 23 and the first stopper 28 is It is covered by the scope of this patent.
- test cartridge transport mechanism 8 The action of the test cartridge transport mechanism 8 is as shown in FIG. 5.
- the push block 22 When the test cartridge 5 is at the test strip separation position a, the push block 22 is at the position A (ie, the position shown in FIG. 4), when in the separation position a.
- the connecting plate 17 connected to the guiding block 12 drives the push block 22 to move to the position B, thereby pushing the empty test box 5 to move forward, and the double slider 18 also moves forward accordingly.
- the claw 26 collides with the first stopper 28, the first stopper 28 does not move, the claw 26 falls, and the push block 22 continues to move to the position C, at which time the test box 5 is fully pushed out, the finger 23 and the first gear
- the blocks 28 collide, the first block 28 does not move, and the finger 23 swings past the first block 28.
- the push block 22 is retracted to the position B by the action of the main motor 10, and the double slide 18 is also retracted by the pulling force of the push block 22 and the first compression spring 20, where During the process, the finger 23 again collides with the first stopper 28, at this time, the finger 23 does not move, the first stopper 28 falls, the claw 26 is lifted up, and the test box 5 in the storage position b enters. In the neutral position between the claw 26 and the push block 22, the push block 22 continues to retreat to the position A, and the pull claw 26 drives the test cartridge 5 to the separation position a.
- the test strip dispensing mechanism 9 includes a base 40.
- the middle portion of the base 40 is provided with a push-out rail 36.
- One side of the push-out rail 36 is provided with a push-out motor 39.
- Two push-out timing wheels 38 are pivotally disposed on one side, and a push-out timing belt 37 is disposed between the two push-out synchronous wheels 38.
- the output shaft of the push-out motor 39 passes through the push-out slide rail 36 as a pivot of one of the push-out synchronization wheels 38.
- the upper portion of the timing belt 37 is fixedly mounted with a push rod holder 35.
- the middle portion of the push rod holder 35 is sleeved on the ejection rail 36 so that the push rod holder 35 can smoothly move along the ejection rail 36.
- the push rod holder 35 At least two parallel push rods 351 are disposed at the front end of the push rods 351, and a front end of the push rods 351 defines a notch 352 for accommodating the test strips 41.
- the height of the gap 352 is greater than one and less than the height of the two test strips 41.
- the upper and lower ends of the mounting plate 16 of the test box conveying mechanism 8 are respectively connected to the top plate 29 and the bottom plate 33 of the test box mounting device 6, and the driving mechanism 7 is mounted on the top plate. Above the 29, the guide block 12 of the drive mechanism 7 is fixedly connected to the connecting plate 17 of the test cartridge transport mechanism 8.
- the first embodiment of the test strip 41 used in the present invention includes a test slot 412 having a plurality of projections for the overhead multi-item chemical reaction test paper on the inner bottom surface of the test slot 412. 413;
- the multi-item chemical reaction test strip 411 is embedded in the test slot 412 and rests on the protrusion 413;
- the test slot 412 is provided with a first guiding groove or guiding rib 414 at one end or both ends.
- the second embodiment of the test strip 41 used in the present invention is substantially the same as the first embodiment except that the inside of the test slot 412 is uniformly distributed with a plurality of reaction holes 415, and each Different chemical reaction reagents are contained in the reaction wells 415, respectively.
- the test cartridge 5 used in the present invention is used to store the test strip 41.
- the test box 5 - the embodiment includes an outer box 51 and an inner drawer 52.
- the inner side of the side panel 52 is provided with a second guiding convex that cooperates with the first guiding groove or the guiding rib 414 on the test strip 41.
- a rib or a guiding groove 521 one end of the outer box 51 is provided with an opening 511, and the inner drawer 52 is embedded in the outer box 51 from the opening 511.
- a test strip outlet 53 is formed to enable the test strip 41 to be inside.
- the drawer 52 is laterally pushed out.
- the lower portion of the inner drawer 52 is further provided with a recess 54 that cooperates with the push rod 351.
- the test box 5 can store tens to hundreds of pieces per box as needed, and the test slots 412 of all the test strips 41 are stored in the inner drawer 52 of the test box 5 in a downward direction of the test-facing test strip.
- test box 5 is a structure in which the outer box 51 is combined with the inner drawer 52
- the test box of the present invention is not limited thereto, and the test strip outlet 53 may be opened on the bottom side.
- the integrated box body is provided with a second guiding rib or guiding groove 521 which is matched with the first guiding groove or the guiding rib 414 on the test strip 41 on the inner side of the opposite side plates of the box body.
- the pusher frame 35 of the test strip dispensing mechanism 9 is mounted on the rear side of the test box 5, and each push rod 351 is established corresponding to a recess 54 at the bottom of the test box 5.
- the push rod 351 pushes the timing belt 37 under the action of the push-out motor 39 to drive the push rod holder 35 forward until the notch 352 is located just below the test box 5, so that a test strip 41 is just right.
- Falling into the notch 352 of the two push rods 351, and under the action of the pushing motor 39 the push rod 351 moves forward through the groove 54 at the bottom of the test box, and the test strip 41 falling on the front end of the push rod 351 is sent to the loading sample.
- the sample loading position of the device (not shown) is applied to the test strip 41 by the sample loading device.
- the sample loading device is of known structure, and therefore will not be described too much herein.
- the sample loading device only changes the sample loading mode to the leaching sample, so that the sample can be fully contacted with the test paper or the reagent, and Some test items have been missed due to lack of spotting.
- test box mounting device 6 is first placed in a test box 5 equipped with test strips 41, which are on the rear side swinging plate 30 and the tension spring 32. Under the combined action, it is pressed between the swinging plate 30 and the test box conveying mechanism 8. At this time, the frontmost test box 5 is just clamped by the push block 22 and the pull claw 26, and the main motor 10 is activated to move the guide block 12, the connecting plate 17 and the push block 22, and the test box 5 is sent to the separation position. a.
- the motor 39 is restarted, so that the notch 352 of the push rod 351 is located just below the inner box 52 of the test box 5, and then the push rod holder 35 is driven by the push-out motor 39 to push out the test strip 41 to the loading position c.
- the test strip 41 is sent to the tester (not shown) for inspection; after the test strip 41 is sent to the tester, the pusher frame 35 is reset by the push-out motor 39 to start the next push-out action. Until the test strip 41 runs out, the above actions are started.
- the second embodiment of the test cartridge transport mechanism 8 includes a line rail 71 on which the push pin member 72 is slidably sleeved, and the push pin member 72 is steerable with the drive mechanism 7.
- the block 12 is fixedly coupled such that the push pin member 72 can actuate the push pin member 72 along the line rail 71 under the action of the main motor 10.
- the push pin member 72 is pivotally provided with a push pin 74 via a pivot 73.
- the lower end of the push pin 74 extends from the push pin member 72 and can be used for dialing the test box 5 on one side thereof to the test strip separation position.
- a second baffle 75 is provided on the side.
- the upper end of the push pin 74 is connected to the push pin member 72 via a compression spring 76.
- the timing belt 14 drives the push pin member 72 to move along the line rail 71, and the push pin 74 moves with the push pin member 72 from the position a to the right to move the test box 5 on the bottom plate 33 of the test box mounting device 6, when Measurement After the test box 5 is blocked by the second baffle 75, the push pin member 72 continues to move to the right, and the push pin 74 receives a large resistance from the test box 5, and pivots around the pivot 73 at b to climb to the top of the test box 5, continuing to go to c Press the test box 5 to stabilize the test box 5 at the separation position of the test strip.
- test strip dispensing mechanism 9 After the test strip dispensing mechanism 9 completes the test strip dispensing work, push the row 74 to the d to leave the test box 5, and the push pin 74 is reversed. Moving left, the test cartridge 5 is pushed out, and the entire pusher member 72 returns to a (starting point), completing the action of the entire push test box.
- FIG. 12 it is a schematic structural view of a second embodiment of the test strip dispensing mechanism of the present invention.
- the front end of the push rail 36 can also be respectively provided with a plate 42.
- Each of the plates 42 is fixed with a chute 43 at the lower end of the front end of the push rod 351.
- the front end of the chute 43 faces downward, and the chute
- the front end of the 43 is provided with a tip 44 which is located at the front end of the push rod 351 by a compression spring.
- the inverted tip 44 abuts against the front side of the test strip 41, and as the test strip 41 travels forward, the inverted tip 44 continuously presses the compression spring to move under the chute 43 to further ensure the push rod.
- the test strip 41 pushed by the 351 can be pushed to the loading position without bias.
- the push rod can also be provided with an arc-shaped convex structure 45 at the position of the notch, so that when the test strip 41 is pushed out from the test box 5, when the convex structure 45 passes through the test box 5, the convex structure 45
- the test strip 41 to be separated in the test box 5 can be gradually topped up, so as to effectively prevent the test strip to be separated from sticking to the test strip being pushed out, and ensure that the test strip 41 being pushed out can be pushed out smoothly.
- the test strip to be separated in the test box 5 is arranged to be evenly stored in the test box 5, so that the test strip 41 is not stuck in the test box 5.
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Abstract
A test strip dispensing device for a fully-automatic dry chemical analyzer, comprising a plurality of test boxes (5) provided with test strips; the test boxes (5) are stored in a test box accommodation device (6); under the effect of a drive mechanism (7), a test box conveying mechanism (8) pushes the test boxes (5) stored in the test box placing device (6) to a test strip separation position (a); a test strip dispensing mechanism (9) separates one by one the test strips (41) in the test boxes (5) at the test strip separation position, and pushes the test strips one by one to a sample loading position (c); a sample loading device consisting of a pump valve pipeline and a sample loading arm draws out samples and loads the samples in a dripping manner onto the test strips pushed to the sample loading position; and the test strips loaded with the samples are then pushed to a mechanism at a detection position. The present invention ensures that the test paper surface faces upwards during sample loading and detection processes and all samples can be tested properly, thus avoiding false and missed sample detection and wasting of test paper.
Description
全自动干化学分析仪测试条分送装置 技术领域 Automatic dry chemical analyzer test strip dispensing device
[0001] 本发明涉及全自动干化学分析仪, 特别是一种全自动干化学分析仪测试条分送装 置。 [0001] The present invention relates to an automatic dry chemical analyzer, and more particularly to a fully automatic dry chemical analyzer test strip dispensing device.
背景技术 Background technique
[0002] 目前全自动干化学分析仪的自动分纸及加样方式主要有以下两种: [0002] At present, there are two main types of automatic paper separation and sample loading methods for automatic dry chemical analyzers:
1 )、 自动分纸结构将试纸按单条反应纸面向上, 送到加样位通过加样针分别对每一个项目试 纸点样后再送到仪器检测位进行检测。 该种方式存在的不足主要是: a、 分纸机构很难保证 分送出来的试纸条全部都是试纸面朝上, 且全部都是不偏不倚地被送到加样位或检测位, 因 此导致样品误检漏检及试纸浪费现象时有发生; b、 即使试纸被正常地送到加样位, 此种点 样方式也很难保证每一个试纸块都能点到样而导致某一检测项目漏检; 1) Automatic paper separation structure The test paper is placed on the side of the single reaction paper, and sent to the sample loading position, and each sample test paper is sampled by the sample needle and then sent to the instrument detection position for detection. The shortcomings of this method are mainly: a. It is difficult for the paper separation mechanism to ensure that all the test strips that are sent out are test paper faces up, and all are sent to the sample or detection position without bias. Therefore, the sample misdetection and the test paper waste phenomenon sometimes occur; b. Even if the test paper is normally sent to the sample loading position, it is difficult to ensure that each test paper block can be sampled and cause a certain Detection of missing items;
2)、 自动分纸后由机械手夹住试纸浸于样品中, 然后将浸有样品的试纸送到仪器检测位检 测。 该种方式解决了上一种方式的缺陷 b, 但缺陷 a仍然存在, 并且还可因为试纸上试剂成 分进入样品导致样品被污染及多余的样品导致工作环境污染。 2) After the automatic paper separation, the test paper is immersed in the sample by the robot, and then the test paper impregnated with the sample is sent to the instrument detection position for detection. This approach solves the defect b of the previous method, but the defect a still exists, and the sample is contaminated and the excess sample causes contamination of the working environment because the reagent component on the test paper enters the sample.
发明内容 Summary of the invention
[0003] 本发明所要解决的技术问题是, 针对现有技术不足, 提供一种能方便储存试纸, 保 证测试条的测试面朝上, 每一测试项目都能点到样, 且能有效避免样品污染工作环境的全自 动干化学分析仪测试条分送装置。 [0003] The technical problem to be solved by the present invention is that, in view of the deficiencies of the prior art, a test paper can be conveniently stored to ensure that the test surface of the test strip faces upward, and each test item can be sampled, and the sample can be effectively avoided. Automatic dry chemical analyzer test strip dispensing device for contaminated working environment.
[0004] 为解决上述技术问题, 本发明所采用的技术方案为: 一种全自动干化学分析仪测试 条分送装置, 其包括装设有测试条的若干测试盒, 这些测试盒存放于测试盒安放装置中, 在 驱动机构的作用下, 测试盒输送机构将存放于测试盒安放装置中的测试盒推送到测试条分离 位, 测试条分送机构将处于测试条分离位的测试盒中的测试条一条一条地分离出来, 并逐条 推送至加样位, 一由泵阀管路及加样臂组成的加样装置吸取样品并对推送至加样位的测试条 采用淋样方式加样, 加有样品的测试条继而再被推送至检测位置, 供检测机构检测。 [0004] In order to solve the above technical problem, the technical solution adopted by the present invention is: an automatic dry chemical analyzer test strip dispensing device, which comprises a plurality of test boxes equipped with test strips, which are stored in the test In the box placing device, under the action of the driving mechanism, the test box conveying mechanism pushes the test box stored in the test box placing device to the test strip separation position, and the test strip dispensing mechanism will be in the test box in which the test strip is separated. The test strips are separated one by one and pushed one by one to the sample loading position. A sample loading device consisting of the pump valve line and the sample loading arm draws the sample and the test strip pushed to the sampled position is sampled by the leaching method. The test strip with the sample added is then pushed to the test position for detection by the testing mechanism.
[0005] 该测试盒一面的靠近底部处开设有测试条出口,且该测试盒的底部设有垂直于测试条 的凹槽, 该测试条按测试面向上的方式层层叠放在测试盒内。 [0005] The test box is provided with a test strip outlet near one side of the test box, and the bottom of the test box is provided with a groove perpendicular to the test strip, and the test strip is layered and placed in the test box in a test-facing manner.
[0006] 本发明的进一步改进为, 该测试盒安放装置包括顶板及底板,该顶板与底板之间通过 销柱连接支撑, 从而在顶板及底板之间形成一用于存储测试盒的腔体, 位于该测试盒安放装 置输出端的销柱上枢设有一设置于存储测试盒后面的摆动板,该销柱的前侧还设有一辅助销
柱,该辅助销柱与摆动板之间设有拉簧, 使可摆动的摆动板被拉簧拉住而压设在测试盒上。 According to a further improvement of the present invention, the test box mounting device includes a top plate and a bottom plate, and the top plate and the bottom plate are supported by a pin connection, so that a cavity for storing the test box is formed between the top plate and the bottom plate. The pin on the output end of the test box mounting device is pivotally provided with a swinging plate disposed behind the storage test box, and an auxiliary pin is further disposed on the front side of the pin. A column, a tension spring is arranged between the auxiliary pin and the swing plate, so that the swingable swing plate is pulled by the tension spring and pressed on the test box.
[0007] 该驱动机构包括一主电机, 该主电机的输出轴上连接主、 从同步轮, 该主、 从同步 轮上绕设同步带, 该主、 从同步轮的下方设置有导杆,该导杆上活动套设导向块, 且该导向 块的上部与同步带的下段固设在一起。 [0007] The driving mechanism includes a main motor, the main motor has an output shaft connected to the main and slave synchronous wheels, and the main and slave synchronous wheels are arranged with a timing belt, and the main and slave synchronous wheels are provided with a guide rod. The guiding rod is sleeved on the guiding rod, and the upper part of the guiding block is fixed with the lower section of the timing belt.
[0008] 该测试盒输送机构包括一安装板,该安装板的内部横向安装有两滑杆, 两滑杆之间设 置有滑轨, 一复式滑块的两侧分别套设于两滑杆上, 一 "T"型推块的两侧分别套设于位于 复式滑块内的两滑杆上, 且复式滑块与推块间设置有第一压簧, 该推块的中部套设于滑轨 上, 该复式滑块的一端设有可自动复位的拉爪, 该推块上安装有可自动复位的拨爪, 该推块 的底面与一连接板固定连接, 该连接板与所述驱动机构的导向块固定连接, 该安装板的一端 还设置有可自动复位的第一挡块。 [0008] The test box conveying mechanism comprises a mounting plate, the inside of the mounting plate is laterally mounted with two sliding bars, and the sliding rails are disposed between the two sliding bars, and the two sides of the double sliding slider are respectively sleeved on the two sliding bars Two sides of a "T" type pushing block are respectively sleeved on two sliding rods located in the double sliding block, and a first compression spring is arranged between the double sliding block and the pushing block, and the middle part of the pushing block is sleeved on the sliding On the rail, one end of the double-type slider is provided with an automatically resetting claw, and the push block is provided with an automatically resettable claw, and the bottom surface of the push block is fixedly connected with a connecting plate, the connecting plate and the driving The guiding block of the mechanism is fixedly connected, and one end of the mounting plate is further provided with a first stop which can be automatically reset.
[0009] 该测试条分送机构包括一底座,该底座的两侧装设有两支板,位于两支板之间的底座上 装设有推出滑轨,该推出滑轨的底部一侧装设有推出电机,该推出电机的输出轴伸出到推出滑 轨的另一侧, 且该推出滑轨的输出轴上安装推出主同步轮, 该推出滑轨的底部同侧另一端枢 设推出从同步轮, 该推出主、 从同步轮之间绕设推出同步带,该推出同步带的上部固定装设 推出推杆架, 该推杆架的中部还套设于推出滑轨上, 使得推杆架能平滑地沿着推出滑轨运 动, 该推杆架上设有并列的推杆, 该些推杆的前端开设一用于容置测试条的缺口, 且该缺口 的高度大于 1个且小于 2个测试条的高度。 [0009] The test strip dispensing mechanism includes a base, two sides of the base are mounted, and a push rail is disposed on the base between the two supports, and the bottom side of the push slide is installed There is a motor, the output shaft of the push-out motor protrudes to the other side of the push-out rail, and the output shaft of the push-out rail is mounted with a push-out main synchronous wheel, and the bottom of the push-out rail is pivoted from the other end of the slide rail. a synchronous wheel, the push-out main belt and the slave synchronous wheel are arranged to push out the timing belt, and the upper part of the push-out belt is fixedly arranged to push out the push rod frame, and the middle part of the push rod frame is also sleeved on the pushing slide rail, so that the push rod The rack can be smoothly moved along the push rail, and the push rod frame is provided with juxtaposed push rods, and the front end of the push rods defines a notch for accommodating the test strip, and the height of the notch is greater than one and less than The height of 2 test strips.
[0010] 上述方案的进一步改进为, 该测试盒输送机构也可包括一线轨,该线轨上滑动套设推 销部件,且该推销部件与所述驱动机构的导向块固定连接, 使主电机可带动推销部件沿线轨 运动。 该推销部件上经枢轴枢设有推销,该推销的下端伸出推销部件, 抵靠于位于测试盒安 放装置内的最外层测试盒的一侧, 该推销的上端经第二压簧与推销部件连接, 且在测试条分 离位一侧设有第二挡板, 在推销随推销部件移动时, 推销拨动测试盒至测试条分离位被第二 挡板挡住后, 再随推销部件移动而抵靠于测试盒顶侧, 并最终移动到测试盒的另一侧, 以便 回送测试盒作好准备。 [0010] A further improvement of the above solution is that the test box conveying mechanism can also include a line rail, the sliding rail is sleeved on the line rail, and the pushing member is fixedly connected with the guiding block of the driving mechanism, so that the main motor can be Driving the pusher member to move along the line. The pusher member is pivotally provided with a push pin, the lower end of the push pin protrudes from the push pin member, and abuts against one side of the outermost test box located in the test box mounting device, and the upper end of the push pin is coupled to the second compression spring The push part is connected, and a second baffle is arranged on the side of the test strip separation position. When the push pin moves with the push part, the push test box is moved to the test strip separation position by the second baffle, and then moved with the push part It is placed against the top side of the test box and finally moved to the other side of the test box to prepare for returning the test box.
[0011] 与现有技术相比, 本发明所具有的有益效果为: [0011] Compared with the prior art, the present invention has the following beneficial effects:
1、 本发明所用到的测试条存储于测试盒中, 使用时, 推杆途经测试盒底部凹槽前后移动将 落于推杆前端缺口的测试条一条一条地推送到加样位上, 在推送过程中, 设置于推杆架下的 推出滑轨保证了推杆能平滑地带着测试条向前移动, 使测试条能不偏不倚地被推送到加样 位, 在送到加样位后, 加样装置对测试条采取淋样方式加样, 这样就能确保测试条上的每一 测试块都能点到样, 不致因为未点到样而出现项目漏检状况。
[0012] 2、 本发明在推杆的前端下部还设置有斜槽, 该斜槽的前端朝下, 且该斜槽内的前端 通过压簧装设有倒梢, 该倒梢位于推杆前端, 在推送过程中, 该倒梢抵靠于测试条前侧, 并 随着测试条往前行进, 倒梢压迫压簧向斜槽下方移动, 这样更进一步保证了推杆推送的测试 条能不偏不倚地被推送到加样位。 1. The test strip used in the present invention is stored in the test box. When in use, the push rod moves back and forth through the groove at the bottom of the test box, and the test strip falling on the front end of the push rod is pushed one by one to the sample loading position, and is pushed. In the process, the push slide rail disposed under the push rod frame ensures that the push rod can smoothly move forward with the test strip, so that the test strip can be pushed to the sample loading position without being biased, and after being sent to the sample loading position, The sample loading device adopts the leaching method to load the test strips, so that each test block on the test strip can be spotted, and the item missed condition is not caused because the sample is not spotted. [0012] 2. The present invention is further provided with a chute in the lower part of the front end of the push rod, the front end of the chute is facing downward, and the front end of the chute is provided with a flip tip through a compression spring, and the inverted tip is located at the front end of the push rod. During the pushing process, the inverted tip abuts against the front side of the test strip, and as the test strip advances forward, the inverted tip presses the compression spring to move under the chute, thereby further ensuring that the test strip pushed by the push rod can be unbiased. Improperly pushed to the sample position.
[0013] 3、 本发明将试纸或试剂置于测试槽中, 且将测试条全部按照测试面在上的方式顺序 放入测试盒中, 不仅更方便储存, 而且能有效保证在加样检测时, 测试面朝上, 而不会导致 样品误检漏检及试纸浪费状况, 且由于测试槽的加入, 使得测试条整体重量增加, 因而传送 过程中不易出现翻转、 卷绕及偏移等状况, 加样时, 该测试槽还可承载多余的标本液, 使其 不致直接流到工作台上, 污染工作环境。 该多项目化学反应试纸嵌设于该测试槽内且搁置于 槽底的凸出物上, 从而能有效阻断标本液在试纸上侧漏, 各检测项目所用的标本液不会串流 到一起, 有效避免了相邻项目之间产生交叉污染。 [0013] 3. The invention puts the test paper or reagent in the test slot, and puts the test strips into the test box in the order of the test surface, which is not only convenient for storage, but also can effectively ensure the detection during the sample loading. The test surface is facing up, and does not cause the sample to be misdetected and the test paper is wasted, and the total weight of the test strip is increased due to the addition of the test slot, so that the flipping, winding and offset are less likely to occur during the transfer process. When loading, the test tank can also carry excess specimen liquid so that it does not flow directly onto the workbench, polluting the working environment. The multi-item chemical reaction test paper is embedded in the test slot and rests on the protrusion on the bottom of the groove, so as to effectively block the side leakage of the sample liquid on the test paper, and the sample liquid used in each test item does not flow together. , effectively avoiding cross-contamination between adjacent projects.
[0014] 4、 本发明所用到的多项目化学反应测试条也可为内底部有若干反应孔的测试槽, 每 一反应孔内分别盛放不同的化学反应试剂, 每一反应孔都为一独立的空间, 从而能有效阻隔 各项目反应液侧漏, 以避免相邻项目之间产生交叉污染。 [0014] 4. The multi-item chemical reaction test strip used in the present invention may also be a test tank having a plurality of reaction pores at the inner bottom, each of which contains different chemical reaction reagents, each of which is a reaction well. The independent space can effectively block the side leakage of the reaction liquid of each project to avoid cross-contamination between adjacent projects.
附图说明 DRAWINGS
[0015] 图 1为本发明的整体结构示意图。 1 is a schematic view of the overall structure of the present invention.
[0016] 图 2为本发明测试盒安放装置的结构示意图。 2 is a schematic structural view of a test box mounting device of the present invention.
[0017] 图 3为本发明驱动机构的结构示意图。 3 is a schematic structural view of a driving mechanism of the present invention.
[0018] 图 4为本发明测试盒输送机构第一实施例的结构示意图。 4 is a schematic structural view of a first embodiment of a test box conveying mechanism of the present invention.
[0019] 图 5为本发明测试盒输送机构第一实施例的动作状况示意图。 5 is a schematic view showing the action state of the first embodiment of the test box conveying mechanism of the present invention.
[0020] 图 6为本发明测试条分送机构的结构示意图。 6 is a schematic structural view of a test strip dispensing mechanism of the present invention.
[0021] 图 7A为本发明测试条第一实施例的结构示意图。 7A is a schematic structural view of a first embodiment of a test strip of the present invention.
[0022] 图 7B为本发明测试条第二实施例的结构示意图。 7B is a schematic structural view of a second embodiment of the test strip of the present invention.
[0023] 图 8为本发明测试盒结构一实施例的立体分解示意图。 8 is a perspective exploded view of an embodiment of a test box structure of the present invention.
[0024] 图 9为图 8的立体组合示意图。 9 is a perspective view of the stereo combination of FIG. 8.
[0025] 图 10为本发明测试条从测试盒安放装置推送至加样位的状态示意图。 10 is a schematic view showing a state in which a test strip of the present invention is pushed from a test cartridge mounting device to a sample loading position.
[0026] 图 11为本发明测试盒输送机构第二实施例的结构及其动作状态示意图。 11 is a schematic view showing the structure and operation state of a second embodiment of the test box conveying mechanism of the present invention.
[0027] 图 12为本发明测试条分送机构第二实施例的结构示意图。 12 is a schematic structural view of a second embodiment of a test strip dispensing mechanism according to the present invention.
具体实施方式 detailed description
[0028] 如图 1 所示, 本发明全自动干化学分析仪测试条分送装置包括装设有测试条的测试
盒 5、 测试盒安放装置 6及驱动机构 7、 测试盒输送机构 8、 测试条分送机构 9及一由泵阀 管路及加样臂组成的加样装置 (该加样装置为已知结构, 在本申请中, 申请人只是将该加样 装置的加样方式由原来的点样方式改为淋样方式, 这样就能确保测试条上的每一测试块都能 点到样, 不致因为未点到样而出现项目漏检状况, 此改进完全由控制软件实现, 因而在此对 加样装置的结构不作过多叙述。)。 [0028] As shown in FIG. 1, the automatic dry chemical analyzer test strip dispensing device of the present invention comprises a test with a test strip installed thereon. a cassette 5, a test box mounting device 6 and a drive mechanism 7, a test box transport mechanism 8, a test strip dispensing mechanism 9, and a sample loading device consisting of a pump valve line and a sample loading arm (the sample loading device is a known structure) In the present application, the applicant only changes the loading mode of the sample loading device from the original spotting mode to the splicing mode, so that each test block on the test strip can be spotted, not because The item missed condition does not appear in the sample, and the improvement is completely realized by the control software, so the structure of the sample loading device is not described too much here.
[0029] 如图 2所示, 该测试盒安放装置 6包括顶板 29及底板 33,该顶板 29与底板 33之间 通过销柱 31连接支撑, 从而在顶板 29及底板 33之间形成一腔体用于存储测试盒 5。 位于 该测试盒安放装置 6输出端的销柱 31上枢设有一设置于所有存储测试盒 5后面的摆动板 30, 该销柱 31 的前侧还设有一辅助销柱 311,该辅助销柱 311与摆动板 30之间设有拉簧 32, 使 可摆动的摆动板 30被拉簧 32拉住, 从而将测试盒 5压紧。 [0029] As shown in FIG. 2, the test box mounting device 6 includes a top plate 29 and a bottom plate 33. The top plate 29 and the bottom plate 33 are connected and supported by a pin 31, thereby forming a cavity between the top plate 29 and the bottom plate 33. Used to store the test box 5. An oscillating plate 30 disposed at the rear of the storage test box 5 is pivotally disposed on the pin 31 of the output of the test box mounting device 6. The front side of the pin 31 is further provided with an auxiliary pin 311, and the auxiliary pin 311 is A tension spring 32 is provided between the swinging plates 30 to cause the swingable swinging plate 30 to be pulled by the tension spring 32, thereby pressing the test box 5.
[0030] 如图 3所示, 该驱动机构 7包括一电机支架 11, 该电机支架 11 的一端锁固主电机 10, 该主电机 10的输出轴上安装主同步轮 13, 该电机支架 11的另一端装设从同步轮 13', 主、 从同步轮 13、 13' 上绕设同步带 14。 该主、 从同步轮 13、 13' 的下方设置有导杆 15, 该导杆 15上活动套设导向块 12, 该导向块 12的上部与同步带 14的下段固设在一起。 该主 电机 10为能实现正反转的步进电机, 其能驱动同步轮 13做正反转, 从而可通过绕设在其上 的同步带 14带动导向块 12沿导杆 15左右滑动。 [0030] As shown in FIG. 3, the driving mechanism 7 includes a motor bracket 11, one end of the motor bracket 11 locks the main motor 10, and the main synchronous wheel 13 is mounted on the output shaft of the main motor 10, and the motor bracket 11 is mounted on the output shaft of the main motor 10. The other end is provided with a timing belt 14', and the timing belt 14 is wound around the main and slave timing wheels 13, 13'. A guide bar 15 is disposed below the main and slave synchronous wheels 13, 13', and a guide block 12 is disposed on the guide bar 15, and an upper portion of the guide block 12 is fixed to a lower portion of the timing belt 14. The main motor 10 is a stepping motor capable of realizing forward and reverse rotation, and can drive the synchronous wheel 13 to perform forward and reverse rotation, so that the guide block 12 can be slid along the guide rod 15 by the timing belt 14 disposed thereon.
[0031] 如图 4所示, 该测试盒输送机构 8包括一安装板 16,该安装板 16的内部横向安装有 两滑杆 19, 两滑杆 19之间设置有滑轨 24。 一复式滑块 18的两侧分别套设于两滑杆 19上。 一 "T"型推块 22的两侧分别套设于位于复式滑块 18内的两滑杆 19上, 且复式滑块 18与 推块 22间设置有第一压簧 20, 使得在推块 22动作时, 该复式滑块 18也会相应动作, 该推 块 22的中部套设于滑轨 24上。 该复式滑块 18的一端设有两个第一扭簧 25, 每一第一扭簧 25上设有拉爪 26。 该推块 22上通过第二扭簧 21安装有拨爪 23, 使得该拨爪 23可以转动 一特定角度。 该推块 22的底面固定连接一连接板 17, 该连接板 17与上述驱动机构 7的导 向块 12固定连接。 该安装板 16的一端还通过第三扭簧 27设置有第一挡块 28, 使得该第一 挡块 28可以转动一特定角度。 在本实施例中, 分别通过第一扭簧 25使拉爪 26、 第二扭簧 21使拨爪 23、 第三扭簧 27使第一挡块 28转动一定角度后, 再在拉爪 26、 拨爪 23、 第一挡 块 28的限位条件解除后, 能自动复位, 但本发明并不局限于此, 任何能使拉爪 26、 拨爪 23 及第一挡块 28自动复位的措施皆涵盖在本专利保护范围内。 [0031] As shown in FIG. 4, the test box transport mechanism 8 includes a mounting plate 16, and the inside of the mounting plate 16 is laterally mounted with two sliding bars 19, and a sliding rail 24 is disposed between the two sliding bars 19. The two sides of a double slider 18 are respectively sleeved on the two slide bars 19. Two sides of a "T" type push block 22 are respectively sleeved on the two sliding bars 19 located in the double block slider 18, and a first compression spring 20 is disposed between the double block slider 18 and the push block 22, so that the push block is When the 22 is in motion, the double slider 18 also acts accordingly, and the middle portion of the push block 22 is sleeved on the slide rail 24. One end of the double slider 18 is provided with two first torsion springs 25, and each of the first torsion springs 25 is provided with a claw 26. The push block 22 is mounted with a finger 23 via a second torsion spring 21 so that the finger 23 can be rotated by a specific angle. The bottom surface of the push block 22 is fixedly connected to a connecting plate 17, and the connecting plate 17 is fixedly connected to the guiding block 12 of the driving mechanism 7. One end of the mounting plate 16 is also provided with a first stopper 28 via a third torsion spring 27 such that the first stopper 28 can be rotated by a specific angle. In this embodiment, the first torsion springs 28 are respectively rotated by the first torsion springs 25, and the second torsion springs 27 are rotated by a certain angle by the first torsion springs 28, and then the claws 26, After the limit condition of the finger 23 and the first stopper 28 is released, the automatic reset can be performed, but the present invention is not limited thereto, and any measure for automatically resetting the claw 26, the finger 23 and the first stopper 28 is It is covered by the scope of this patent.
[0032] 该测试盒输送机构 8的动作如图 5中所示, 当测试盒 5处于测试条分离位 a时, 推块 22处于位置 A (即图 4所示位置), 当处于分离位 a的测试盒 5中的测试条 41用完后, 在
主电机 10的作用下, 与导向块 12连接的连接板 17带动推块 22运动到位置 B, 从而推动该 空的测试盒 5 向前运动, 该复式滑块 18 也相应向前移动, 此时拉爪 26与第一挡块 28相 碰, 第一挡块 28不动, 拉爪 26倒下, 推块 22继续运动到位置 C, 此时测试盒 5完全推 出, 拨爪 23与第一挡块 28相碰, 第一挡块 28不动, 拨爪 23摆动后越过第一挡块 28。 完 全推出空的测试盒 5后, 推块 22在主电机 10的作用下后退到位置 B, 复式滑块 18在推块 22的拉力及第一压簧 20的共同作用下也向后退, 在此过程中拨爪 23再次与第一挡块 28相 碰, 此时拨爪 23不动, 第一挡块 28倒下, 拉爪 26随之抬起, 存储位 b中的测试盒 5随之 进入拉爪 26与推块 22间的空档, 推块 22继续后退到位置 A, 拉爪 26带动测试盒 5到分离 位 a。 [0032] The action of the test cartridge transport mechanism 8 is as shown in FIG. 5. When the test cartridge 5 is at the test strip separation position a, the push block 22 is at the position A (ie, the position shown in FIG. 4), when in the separation position a. After the test strip 41 in the test box 5 is used up, Under the action of the main motor 10, the connecting plate 17 connected to the guiding block 12 drives the push block 22 to move to the position B, thereby pushing the empty test box 5 to move forward, and the double slider 18 also moves forward accordingly. The claw 26 collides with the first stopper 28, the first stopper 28 does not move, the claw 26 falls, and the push block 22 continues to move to the position C, at which time the test box 5 is fully pushed out, the finger 23 and the first gear The blocks 28 collide, the first block 28 does not move, and the finger 23 swings past the first block 28. After the empty test box 5 is completely pushed out, the push block 22 is retracted to the position B by the action of the main motor 10, and the double slide 18 is also retracted by the pulling force of the push block 22 and the first compression spring 20, where During the process, the finger 23 again collides with the first stopper 28, at this time, the finger 23 does not move, the first stopper 28 falls, the claw 26 is lifted up, and the test box 5 in the storage position b enters. In the neutral position between the claw 26 and the push block 22, the push block 22 continues to retreat to the position A, and the pull claw 26 drives the test cartridge 5 to the separation position a.
[0033] 如图 6所示, 该测试条分送机构 9包括一底座 40,该底座 40的中部装设有推出滑轨 36,该推出滑轨 36 的一侧装设有推出电机 39, 另一侧枢设有两推出同步轮 38, 两推出同步 轮 38之间绕设推出同步带 37, 推出电机 39的输出轴穿过推出滑轨 36作为其中一推出同步 轮 38的枢轴, 该推出同步带 37的上部固定装设推杆架 35, 该推杆架 35的中部套设于推出 滑轨 36上, 使得推杆架 35能平滑地沿着推出滑轨 36运动, 该推杆架 35的前端设有至少两 根平行的推杆 351, 该些推杆 351的前端开设一用于容置测试条 41的缺口 352。 该缺口 352 的高度大于 1个且小于 2个测试条 41的高度。 [0033] As shown in FIG. 6, the test strip dispensing mechanism 9 includes a base 40. The middle portion of the base 40 is provided with a push-out rail 36. One side of the push-out rail 36 is provided with a push-out motor 39. Two push-out timing wheels 38 are pivotally disposed on one side, and a push-out timing belt 37 is disposed between the two push-out synchronous wheels 38. The output shaft of the push-out motor 39 passes through the push-out slide rail 36 as a pivot of one of the push-out synchronization wheels 38. The upper portion of the timing belt 37 is fixedly mounted with a push rod holder 35. The middle portion of the push rod holder 35 is sleeved on the ejection rail 36 so that the push rod holder 35 can smoothly move along the ejection rail 36. The push rod holder 35 At least two parallel push rods 351 are disposed at the front end of the push rods 351, and a front end of the push rods 351 defines a notch 352 for accommodating the test strips 41. The height of the gap 352 is greater than one and less than the height of the two test strips 41.
[0034] 如图 1-图 6所示, 该测试盒输送机构 8的安装板 16的上、 下两端分别与测试盒安放 装置 6的顶板 29及底板 33连接, 且驱动机构 7安装于顶板 29之上, 驱动机构 7的导向块 12与测试盒输送机构 8的连接板 17固定连接。 [0034] As shown in FIG. 1 to FIG. 6, the upper and lower ends of the mounting plate 16 of the test box conveying mechanism 8 are respectively connected to the top plate 29 and the bottom plate 33 of the test box mounting device 6, and the driving mechanism 7 is mounted on the top plate. Above the 29, the guide block 12 of the drive mechanism 7 is fixedly connected to the connecting plate 17 of the test cartridge transport mechanism 8.
[0035] 如图 7A所示, 本发明中用到的测试条 41 实施例一包括一测试槽 412,该测试槽 412 的内底面设有若干个用于架空多项目化学反应试纸的凸出物 413; —多项目化学反应试纸条 411嵌设于该测试槽 412内且搁置于凸出物 413上; 该测试槽 412的一端或两端设有第一导 向凹槽或导向凸筋 414。 [0035] As shown in FIG. 7A, the first embodiment of the test strip 41 used in the present invention includes a test slot 412 having a plurality of projections for the overhead multi-item chemical reaction test paper on the inner bottom surface of the test slot 412. 413; The multi-item chemical reaction test strip 411 is embedded in the test slot 412 and rests on the protrusion 413; the test slot 412 is provided with a first guiding groove or guiding rib 414 at one end or both ends.
[0036] 如图 7B所示, 本发明中用到的测试条 41 实施例二与实施例一大致相同, 其不同点 仅在于, 该测试槽 412的内部均匀分布若干反应孔 415, 且每一反应孔 415内分别盛放不同 的化学反应试剂。 [0036] As shown in FIG. 7B, the second embodiment of the test strip 41 used in the present invention is substantially the same as the first embodiment except that the inside of the test slot 412 is uniformly distributed with a plurality of reaction holes 415, and each Different chemical reaction reagents are contained in the reaction wells 415, respectively.
[0037] 如图 8-图 9所示, 本发明中用到的测试盒 5用于存放测试条 41。 该测试盒 5—实施 例包括一外盒 51及一内屉 52, 该内屉 52的侧板内侧设有与测试条 41上的第一导向凹槽或 导向凸筋 414配合的第二导向凸筋或导向凹槽 521, 该外盒 51的一端设有一开口 511, 内屉 52从该开口 511嵌入外盒 51中, 两者嵌合之后形成一测试条出口 53, 使测试条 41能从内
屉 52内横向推出。 该内屉 52的下部还设有与推杆 351相配合的凹槽 54。 该测试盒 5可根 据需要每盒存放几十条到几百条, 且所有测试条 41 的测试槽 412按照测试面向上测试条底 向下的方式存放在测试盒 5的内屉 52内。 [0037] As shown in FIGS. 8-9, the test cartridge 5 used in the present invention is used to store the test strip 41. The test box 5 - the embodiment includes an outer box 51 and an inner drawer 52. The inner side of the side panel 52 is provided with a second guiding convex that cooperates with the first guiding groove or the guiding rib 414 on the test strip 41. a rib or a guiding groove 521, one end of the outer box 51 is provided with an opening 511, and the inner drawer 52 is embedded in the outer box 51 from the opening 511. After the two are fitted, a test strip outlet 53 is formed to enable the test strip 41 to be inside. The drawer 52 is laterally pushed out. The lower portion of the inner drawer 52 is further provided with a recess 54 that cooperates with the push rod 351. The test box 5 can store tens to hundreds of pieces per box as needed, and the test slots 412 of all the test strips 41 are stored in the inner drawer 52 of the test box 5 in a downward direction of the test-facing test strip.
[0038] 尽管上面的测试盒 5 的实施例为外盒 51 与内屉 52相结合的结构, 但本发明的测试 盒并不局限于此, 其也可为底部一侧开设测试条出口 53 的一体式盒体, 该盒体的两相对侧 板内侧设有与测试条 41 上的第一导向凹槽或导向凸筋 414配合的第二导向凸筋或导向凹槽 521。 [0038] Although the above embodiment of the test box 5 is a structure in which the outer box 51 is combined with the inner drawer 52, the test box of the present invention is not limited thereto, and the test strip outlet 53 may be opened on the bottom side. The integrated box body is provided with a second guiding rib or guiding groove 521 which is matched with the first guiding groove or the guiding rib 414 on the test strip 41 on the inner side of the opposite side plates of the box body.
[0039] 上述测试条分送机构 9的推杆架 35装设于测试盒 5的后侧, 且每一推杆 351对应测 试盒 5底部的一凹槽 54设立。 当准备推出测试条 41 时, 推杆 351在推出电机 39 的作用 下, 推出同步带 37带动推杆架 35向前行进至使其缺口 352正好位于测试盒 5的下部, 使一 测试条 41正好落于两推杆 351的缺口 352内, 再在推出电机 39的作用下, 推杆 351途经测 试盒底部的凹槽 54向前移动, 将落于推杆 351前端的测试条 41送到加样装置 (图中未示) 的加样位, 加样装置对测试条 41 采取淋样方式加样。 该加样装置为已知结构, 因而在此不 作过多叙述, 在本发明中, 该加样装置只是将加样方式改为淋样, 这样就使得样品能与试纸 或试剂充分接触, 不会出现某些测试项目因未点样而出现漏检状况。 [0039] The pusher frame 35 of the test strip dispensing mechanism 9 is mounted on the rear side of the test box 5, and each push rod 351 is established corresponding to a recess 54 at the bottom of the test box 5. When the test strip 41 is ready to be pushed out, the push rod 351 pushes the timing belt 37 under the action of the push-out motor 39 to drive the push rod holder 35 forward until the notch 352 is located just below the test box 5, so that a test strip 41 is just right. Falling into the notch 352 of the two push rods 351, and under the action of the pushing motor 39, the push rod 351 moves forward through the groove 54 at the bottom of the test box, and the test strip 41 falling on the front end of the push rod 351 is sent to the loading sample. The sample loading position of the device (not shown) is applied to the test strip 41 by the sample loading device. The sample loading device is of known structure, and therefore will not be described too much herein. In the present invention, the sample loading device only changes the sample loading mode to the leaching sample, so that the sample can be fully contacted with the test paper or the reagent, and Some test items have been missed due to lack of spotting.
[0040] 如图 10所示, 当本发明使用时, 先将测试盒安放装置 6 内放入装有测试条 41 的测 试盒 5, 该些测试盒 5在后侧摆动板 30及拉簧 32的共同作用下, 压紧在摆动板 30及测试 盒输送机构 8之间。 此时, 最前端的测试盒 5正好被推块 22及拉爪 26卡设, 启动主电机 10, 使导向块 12、 连接板 17及推块 22随之运动, 将测试盒 5送至分离位 a。 再启动推出电 机 39,使推杆 351的缺口 352正好位于测试盒 5的内盒 52的下面, 接着利用推出电机 39带 动推杆架 35动作, 从而推出测试条 41至加样位 c, 当加样完毕后, 再将该测试条 41送到 检验仪 (图中未示) 进行检验; 一测试条 41送至检验仪后, 推杆架 35在推出电机 39的作 用下复位开始下一次推出动作, 直至测试条 41用完开始循环上述动作。 [0040] As shown in FIG. 10, when the present invention is used, the test box mounting device 6 is first placed in a test box 5 equipped with test strips 41, which are on the rear side swinging plate 30 and the tension spring 32. Under the combined action, it is pressed between the swinging plate 30 and the test box conveying mechanism 8. At this time, the frontmost test box 5 is just clamped by the push block 22 and the pull claw 26, and the main motor 10 is activated to move the guide block 12, the connecting plate 17 and the push block 22, and the test box 5 is sent to the separation position. a. The motor 39 is restarted, so that the notch 352 of the push rod 351 is located just below the inner box 52 of the test box 5, and then the push rod holder 35 is driven by the push-out motor 39 to push out the test strip 41 to the loading position c. After the sample is finished, the test strip 41 is sent to the tester (not shown) for inspection; after the test strip 41 is sent to the tester, the pusher frame 35 is reset by the push-out motor 39 to start the next push-out action. Until the test strip 41 runs out, the above actions are started.
[0041] 如图 11所示, 该测试盒输送机构 8第二实施例包括一线轨 71,该线轨 71上滑动套设 推销部件 72,且该推销部件 72可与所述驱动机构 7的导向块 12固定连接, 使得推销部件 72 可在主电机 10作用下, 带动推销部件 72沿线轨 71运动。 该推销部件 72上经枢轴 73枢设 有推销 74,该推销 74的下端伸出推销部件 72, 可用于拨动位于其一侧的测试盒 5至测试条 分离位, 该测试条分离位一侧设有第二挡板 75。 该推销 74的上端经压簧 76与推销部件 72 连接。 当主电机 10驱动同步带 14运转时, 同步带 14带动推销部件 72沿线轨 71运动, 推 销 74随推销部件 72由 a处向右推动测试盒 5在测试盒安放装置 6的底板 33上运动, 当测
试盒 5被第二挡板 75挡住后, 推销部件 72继续右移, 推销 74受到测试盒 5的较大阻力, 在 b处围绕枢轴 73转动爬至测试盒 5的顶部, 继续前往至 c处压紧测试盒 5, 使测试盒 5 稳定在测试条分离位处, 待测试条分送机构 9完成测试条分送工作后, 推销 74行至 d处脱 离测试盒 5, 推销 74反向向左移动, 将测试盒 5推出, 整个推销部件 72返回 a处 (起始 处), 既完成整个推送测试盒的动作。 [0041] As shown in FIG. 11, the second embodiment of the test cartridge transport mechanism 8 includes a line rail 71 on which the push pin member 72 is slidably sleeved, and the push pin member 72 is steerable with the drive mechanism 7. The block 12 is fixedly coupled such that the push pin member 72 can actuate the push pin member 72 along the line rail 71 under the action of the main motor 10. The push pin member 72 is pivotally provided with a push pin 74 via a pivot 73. The lower end of the push pin 74 extends from the push pin member 72 and can be used for dialing the test box 5 on one side thereof to the test strip separation position. A second baffle 75 is provided on the side. The upper end of the push pin 74 is connected to the push pin member 72 via a compression spring 76. When the main motor 10 drives the timing belt 14 to operate, the timing belt 14 drives the push pin member 72 to move along the line rail 71, and the push pin 74 moves with the push pin member 72 from the position a to the right to move the test box 5 on the bottom plate 33 of the test box mounting device 6, when Measurement After the test box 5 is blocked by the second baffle 75, the push pin member 72 continues to move to the right, and the push pin 74 receives a large resistance from the test box 5, and pivots around the pivot 73 at b to climb to the top of the test box 5, continuing to go to c Press the test box 5 to stabilize the test box 5 at the separation position of the test strip. After the test strip dispensing mechanism 9 completes the test strip dispensing work, push the row 74 to the d to leave the test box 5, and the push pin 74 is reversed. Moving left, the test cartridge 5 is pushed out, and the entire pusher member 72 returns to a (starting point), completing the action of the entire push test box.
[0042] 如图 12所示, 为本发明测试条分送机构第二实施例结构示意图。 该推出滑轨 36 的 前端两侧还可分别设有一支板 42, 每一支板 42上固定有位于推杆 351前端下部的斜槽 43, 该斜槽 43的前端朝下, 且该斜槽 43内的前端通过压簧装设有倒梢 44, 该倒梢 44位于推杆 351 的前端。 在推送过程中, 该倒梢 44抵靠于测试条 41 的前侧, 并随着测试条 41往前行 进, 倒梢 44不断压迫压簧向斜槽 43下方移动, 这样更进一步保证了推杆 351推送的测试条 41 能不偏不倚地被推送到加样位。 该推杆紧靠缺口位置处还可设有一圆弧状凸起结构 45, 这样在从测试盒 5中推送出测试条 41时, 该凸起结构 45经过该测试盒 5时,该凸起结构 45 可将测试盒 5 内的待分离的测试条 41逐渐向上顶, 从而能有效的避免待分离测试条与正在 推出的测试条粘连, 确保正被推出的测试条 41 能平整的推出。 同时使得测试盒 5 内的待分 离测试条得到整理, 使其更加平整地存放在测试盒 5 中, 不致出现测试条 41卡死在测试盒 5中的情况。
[0042] As shown in FIG. 12, it is a schematic structural view of a second embodiment of the test strip dispensing mechanism of the present invention. The front end of the push rail 36 can also be respectively provided with a plate 42. Each of the plates 42 is fixed with a chute 43 at the lower end of the front end of the push rod 351. The front end of the chute 43 faces downward, and the chute The front end of the 43 is provided with a tip 44 which is located at the front end of the push rod 351 by a compression spring. During the pushing process, the inverted tip 44 abuts against the front side of the test strip 41, and as the test strip 41 travels forward, the inverted tip 44 continuously presses the compression spring to move under the chute 43 to further ensure the push rod. The test strip 41 pushed by the 351 can be pushed to the loading position without bias. The push rod can also be provided with an arc-shaped convex structure 45 at the position of the notch, so that when the test strip 41 is pushed out from the test box 5, when the convex structure 45 passes through the test box 5, the convex structure 45 The test strip 41 to be separated in the test box 5 can be gradually topped up, so as to effectively prevent the test strip to be separated from sticking to the test strip being pushed out, and ensure that the test strip 41 being pushed out can be pushed out smoothly. At the same time, the test strip to be separated in the test box 5 is arranged to be evenly stored in the test box 5, so that the test strip 41 is not stuck in the test box 5.
Claims
1. 一种全自动干化学分析仪测试条分送装置, 其特征在于包括装设有测试条的若干测试 盒, 这些测试盒存放于测试盒安放装置中, 在驱动机构的作用下, 测试盒输送机构将存放于 测试盒安放装置中的测试盒推送到测试条分离位, 测试条分送机构将处于测试条分离位的测 试盒中的测试条一条一条地分离出来, 并逐条推送至加样位, 一由泵阀管路及加样臂组成的 加样装置吸取样品并对推送至加样位的测试条采用淋样方式加样, 加有样品的测试条继而再 被推送至检测位置, 供检测机构检测。 1. A fully automatic dry chemical analyzer test strip dispensing device, comprising: a plurality of test boxes equipped with test strips, the test boxes being stored in a test box mounting device, under the action of a driving mechanism, a test box The transport mechanism pushes the test box stored in the test box mounting device to the test strip separation position, and the test strip distribution mechanism separates the test strips in the test box at the separation position of the test strip one by one, and pushes them one by one to the sample loading a sample loading device consisting of a pump valve line and a loading arm sucks the sample and applies a sample by pushing the sample strip pushed to the sampled position, and the test strip to which the sample is added is then pushed to the detection position. For testing institutions to detect.
2. 根据权利要求 1 所述的全自动干化学分析仪测试条分送装置, 其特征在于, 该测试盒一 面的靠近底部处开设有测试条出口,且该测试盒的底部设有垂直于测试条的凹槽, 该测试条 按测试面向上的方式层层叠放在测试盒内。 2 . The automatic dry chemical analyzer test strip dispensing device according to claim 1 , wherein a test strip outlet is opened on one side of the test box near the bottom, and the bottom of the test box is perpendicular to the test. The groove of the strip, the test strip is layered and placed in the test box in a test-facing manner.
3. 根据权利要求 1 所述的全自动干化学分析仪测试条分送装置, 其特征在于, 该测试盒安 放装置包括顶板及底板,该顶板与底板之间通过销柱连接支撑, 从而在顶板及底板之间形成 一用于存放测试盒的腔体, 位于该测试盒安放装置输出端的销柱上枢设有一设置于存储测试 盒后面的摆动板,该销柱的前侧还设有一辅助销柱,该辅助销柱与摆动板之间设有拉簧, 使可 摆动的摆动板被拉簧拉住而压设在测试盒上。 3. The automatic dry chemical analyzer test strip dispensing device according to claim 1, wherein the test box mounting device comprises a top plate and a bottom plate, and the top plate and the bottom plate are supported by a pin connection, thereby being on the top plate. A cavity for storing the test box is formed between the bottom plate and the pin on the output end of the test box mounting device is pivotally provided with a swinging plate disposed behind the storage test box, and an auxiliary pin is further disposed on the front side of the pin. A column, a tension spring is arranged between the auxiliary pin and the swing plate, so that the swingable swing plate is pulled by the tension spring and pressed on the test box.
4. 根据权利要求 1 所述的全自动干化学分析仪测试条分送装置, 其特征在于, 该驱动机构 包括一主电机, 该主电机的输出轴连接一组主、 从同步轮, 该主、 从同步轮上绕设同步带, 该主、 从同步轮的下方设置有导杆,该导杆上活动套设导向块, 且该导向块的上部与同步带 的下段固设在一起。 4. The fully automatic dry chemical analyzer test strip dispensing device according to claim 1, wherein the driving mechanism comprises a main motor, and an output shaft of the main motor is connected to a set of master and slave synchronous wheels, the main A timing belt is disposed on the synchronous wheel. A guide rod is disposed below the main and slave synchronous wheels. The guiding rod is sleeved on the guiding rod, and an upper portion of the guiding block is fixed with a lower portion of the timing belt.
5. 根据权利要求 4所述的全自动干化学分析仪测试条分送装置, 其特征在于, 该测试盒输 送机构包括一安装板,该安装板的内部横向安装有两滑杆, 两滑杆之间设置有滑轨, 一复式 滑块的两侧分别套设于两滑杆上, 一 "T"型推块的两侧分别套设于位于复式滑块内的两滑 杆上, 且复式滑块与推块间设置有第一压簧, 该推块的中部套设于滑轨上, 该复式滑块的一 端设有可自动复位的拉爪, 该推块上安装有可自动复位的拨爪, 该推块的底面与一连接板固 定连接, 该连接板与所述驱动机构的导向块固定连接, 该安装板的一端还设置有可自动复位 的第一挡块。 The automatic dry chemical analyzer test strip dispensing device according to claim 4, wherein the test box conveying mechanism comprises a mounting plate, and the inside of the mounting plate is laterally mounted with two sliding bars, two sliding bars Slide rails are arranged between the two sides of a double-type slider, and two sides of a "T"-type push block are respectively sleeved on two slide bars located in the double-type slider, and the double-type A first compression spring is disposed between the slider and the push block, and a middle portion of the push block is sleeved on the slide rail, and one end of the double slide slider is provided with an automatically resettable claw, and the push block is mounted with an automatically resettable The bottom surface of the push block is fixedly connected to a connecting plate, and the connecting plate is fixedly connected with the guiding block of the driving mechanism, and one end of the mounting plate is further provided with a first stop which can be automatically reset.
6. 根据权利要求 1 所述的全自动干化学分析仪测试条分送装置, 其特征在于, 该测试条分 送机构包括一底座,该底座的两侧装设有两支板,位于两支板之间的底座上装设有推出滑轨,该 推出滑轨的底部一侧装设有推出电机,该推出电机的输出轴伸出到推出滑轨的另一侧, 且该 推出滑轨的输出轴上安装推出主同步轮, 该推出滑轨的底部同侧另一端枢设推出从同步轮, 该推出主、 从同步轮之间绕设推出同步带,该推出同步带的上部固定装设推出推杆架, 该推 杆架的中部还套设于推出滑轨上, 使得推杆架能平滑地沿着推出滑轨运动, 该推杆架上设有 并列的推杆, 该些推杆的前端开设一用于容置测试条的缺口, 且该缺口的高度大于 1个且小 于 2个测试条的高度。 The automatic dry chemical analyzer test strip dispensing device according to claim 1, wherein the test strip dispensing mechanism comprises a base, and two sides of the base are provided with two plates at two A push-out rail is mounted on the base between the plates, and a push-out motor is mounted on a bottom side of the push-out rail, and an output shaft of the push-out motor protrudes to the other side of the push-out rail, and the output of the push-out rail is output The main synchronous wheel is mounted on the shaft, and the bottom end of the protruding rail is pivoted and pushed out from the synchronous wheel, and the synchronous belt is rolled out between the main and the synchronous wheels, and the upper fixed installation of the protruding belt is pushed out. Pusher frame, the push The middle portion of the rod frame is also sleeved on the pushing rail, so that the push rod frame can smoothly move along the pushing slide rail, and the push rod frame is provided with juxtaposed push rods, and the front end of the push rods is provided for the capacity The gap of the test strip is set, and the height of the notch is greater than one and less than the height of two test strips.
7. 根据权利要求 4所述的全自动干化学分析仪测试条分送装置, 其特征在于, 该测试盒输 送机构包括一线轨,该线轨上滑动套设推销部件,且该推销部件与所述驱动机构的导向块固定 连接, 使主电机可带动推销部件沿线轨运动。 7. The fully automatic dry chemical analyzer test strip dispensing device according to claim 4, wherein the test cartridge transport mechanism comprises a line rail, the push rail member is slidably sleeved on the line rail, and the pusher member is The guiding block of the driving mechanism is fixedly connected, so that the main motor can drive the pushing member to move along the line.
8. 根据权利要求 7 所述的全自动干化学分析仪测试条分送装置, 其特征在于, 该推销部件 上经枢轴枢设有推销,该推销的下端伸出推销部件, 抵靠于位于测试盒安放装置内的最外层 测试盒的一侧, 该推销的上端经第二压簧与推销部件连接, 且在测试条分离位一侧设有第二 挡板, 在推销随推销部件移动时, 推销拨动测试盒至测试条分离位被第二挡板挡住后, 再随 推销部件移动而抵靠于测试盒顶侧, 并最终移动到测试盒的另一侧, 以便回送测试盒作好准 备。 8. The fully automatic dry chemical analyzer test strip dispensing device according to claim 7, wherein the push pin member is pivotally provided with a push pin, and the lower end of the push pin protrudes from the push pin member to abut One side of the outermost test box in the test box mounting device, the upper end of the push pin is connected to the push pin member via the second compression spring, and the second baffle is disposed on the side of the test strip separation position, and the push pin moves with the push pin member When the push test box is blocked by the second baffle, the pusher member moves against the top side of the test box and finally moves to the other side of the test box to return the test box. Ready.
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