CN209673821U - Bearing assembly and fluorescence immunoassay tester - Google Patents

Abstract

The utility model relates to a kind of bearing assemblies and fluorescence immunoassay tester, bearing assembly is for bearing test card and includes: plummer, with top surface interconnected and side, a part recess of the top surface forms the card slot for accommodating test card, accommodating hole is offered on the bottom wall of the card slot, offered on the side be connected with the accommodating hole keep away a hole；And handle, including rotating part, lug boss and handle portion, the lug boss and handle portion are connect with the rotating part, the rotation portion is rotatablely connected in the accommodating hole and with the plummer, the surface protrusion of the relatively described rotating part of the lug boss sets length, and a hole is kept away described in the handle portion drawing-in and is located at except the plummer.The setting is so that bearing assembly is easy to operate.

Description

Bearing assembly and fluorescence immunoassay tester

Technical field

The utility model relates to clinical detection technique fields, more particularly to a kind of bearing assembly and include the bearing assembly Fluorescence immunoassay tester.

Background technique

In the fluorescence immunoassay tester course of work, usually the test card for being contained with sample is loaded on bearing assembly, So that test card follows bearing assembly to move.But for conventional fluorescent immunoassay instrument, the structure of bearing assembly is more multiple It is miscellaneous, while being also unfavorable for test card and reprinting and unload on bearing assembly.

Utility model content

The technical problem that the utility model solves is how bearing assembly operation to be realized on the basis of structure is simple Convenience.

A kind of bearing assembly is used for bearing test card, comprising:

Plummer, has top surface interconnected and side, and a part recess of the top surface is formed for accommodating test The card slot of card offers accommodating hole on the bottom wall of the card slot, offers on the side and keep away with what the accommodating hole was connected Position hole；And

Handle, including rotating part, lug boss and handle portion, the lug boss and handle portion are connect with the rotating part, The rotation portion is rotatablely connected in the accommodating hole and with the plummer, the table of the relatively described rotating part of the lug boss Face protrusion sets length, and a hole is kept away described in the handle portion drawing-in and is located at except the plummer；

Wherein, when rotational handle portion and when lug boss being driven to protrude into card slot to cooperate with test card, test card, which is loaded in, is held On microscope carrier；When rotational handle portion and when lug boss being driven to hide into accommodating hole to be detached from test card, test card can be from plummer Unloading.

It in one of the embodiments, further include compressing elastic slice, the compression elastic slice is arranged on the top surface and is used for Compress test card.

The compression elastic slice includes mounting portion, compressed part and guide part in one of the embodiments, the mounting portion with The top surface connection, the compressed part is for compressing test card and having a first end and a second end, the first end of the compressed part It being connect with the mounting portion, the second end of the compressed part protrudes into the card slot, and the of the guide part and the compressed part The connection of two ends simultaneously extends towards the direction far from the card slot bottom wall.

It in one of the embodiments, further include elastic component, the elastic component is pressed on the plummer and the handle Between portion.

The elastic component includes compressed spring in one of the embodiments,.

In one of the embodiments, further include the pedestal being connect with the plummer, offer sliding slot on the pedestal, The sliding slot is used for and is incubated for mechanism slips cooperation.

It in one of the embodiments, further include abutting plate, the abutting plate is connect with the pedestal；When on abutting plate When applying active force, abutting plate can push pedestal is opposite to be incubated for mechanism slips.

One end of the plummer and pedestal connects in one of the embodiments, described to abut plate and the pedestal Other end connection, the plummer are lived apart the opposite sides of the pedestal with the plate that abuts.

In one of the embodiments, further include shaft, through-hole is provided on the rotating part, the shaft is threaded through institute It states in through-hole and is rotatablely connected with the plummer.

A kind of fluorescence immunoassay tester, including any of the above-described bearing assembly.

One of one embodiment of the utility model has the technical effect that bearing assembly includes plummer and handle, carrying Card slot for accommodating test card is set on platform, and the bearing assembly structure is simple.Meanwhile handle include rotating part, lug boss and Handle portion, when make handle portion far from plummer rotation when, handle portion by rotating part drive lug boss protrude into card slot and with test Card cooperation, test card are loaded on plummer；When making handle portion close to plummer rotation, handle portion is driven convex by rotating part The portion of rising hides in accommodating hole, matching relationship is released in lug boss and test card, at this point, test card can smoothly be unloaded from plummer It carries, therefore, only needs rotational handle portion so that lug boss and test card cooperation or disengaging, can be realized test card on plummer It loads and unloads, improve the operation ease of bearing assembly.

Detailed description of the invention

Fig. 1 is the schematic perspective view for the fluorescence immunoassay tester that an embodiment provides；

Fig. 2 is that the fluorescence immunoassay tester of Fig. 1 removes the elevational schematic view after part-structure；

Partial structural diagram of the fluorescence immunoassay tester that Fig. 3 is Fig. 1 including being incubated for mechanism；

Fig. 4 is enlarged structure schematic diagram at A in Fig. 3；

Fig. 5 is the elevational schematic view of Fig. 3；

Fig. 6 is the schematic perspective view that optical assembly is surveyed in Fig. 1；

Fig. 7 is the stereochemical structure signal when bearing assembly that an embodiment provides carries test card under the first visual angle Figure；

Fig. 8 is schematic perspective view of the bearing assembly of Fig. 7 under the second visual angle；

Fig. 9 is enlarged structure schematic diagram at B in Fig. 8；

Figure 10 is the decomposition texture schematic diagram of the bearing assembly of Fig. 7.

Specific embodiment

The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this The disclosure of type understands more thorough and comprehensive.

It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein "inner", "outside", "left", "right" and Similar statement for illustrative purposes only, is not meant to be the only embodiment.

Refering to fig. 1, the fluorescence immunoassay tester 10 that an embodiment of the present invention provides is used for being contained in test card 20 In sample tested, which includes being incubated for mechanism 100, light-measuring mechanism 200 and load carrier 300, Constant-temperature incubation can be carried out to test card 20 by being incubated for mechanism 100, be provided with the reaction for sample reagent in test card 20 constant Temperature environment.Light-measuring mechanism 200 includes surveying optical assembly 210, survey optical assembly 210 can fluorescent material in challenge test card 20 and Fluorescence signal is generated, meanwhile, it surveys optical assembly 210 and receives the fluorescence signal after excitation, and the fluorescence signal received by analysis To realize the qualitative or quantitative test to sample.Load carrier 300 includes bearing assembly 301, and bearing assembly 301 opposite can incubate Mechanism 100 is educated to move and for bearing test card 20.

It is incubated in mechanism 100 in some embodiments to Fig. 5 refering to fig. 1 simultaneously and is provided with multiple incubation positions 130.It is incubated for Mechanism 100 includes substrate 110 and is incubated for plate 120, and substrate 110, which is used to support, is incubated for plate 120.For example, being incubated for plate 120 can be stacked On substrate 110, the setting of position 130 is incubated on being incubated for plate 120,130 pairs of position test card 20 is incubated for and is incubated for and is positioned, be incubated for Position 130 can be to be incubated for cavity 140, and multiple incubation cavities 140 are arranged in left-right direction to be incubated on plate 120, is incubated for and holds Chamber 140 can be the hole shape structure being incubated on plate 120 or bathtub construction etc., and certainly, being incubated for position 130 can also can determine to be other The entity structure etc. of bit test card 20.Being incubated for mechanism 100 further includes temperature controller, and temperature controller is connect with plate 120 is incubated for And constant-temperature incubation can be carried out to the test card 20 being incubated at position 130 is located at.Constant temperature provides stationary temperature environment herein.Specifically Ground, temperature controller are made of the devices such as heater or semiconductor cooler and temperature sensor and heat dissipation (cold) device.Heating Device or semiconductor cooler and temperature sensor are installed on substrate 110 and are incubated between plate 120, and temperature controlled effect can be improved Rate.It, can be Celsius in 10-30 to 20 constant-temperature incubation of test card being located at incubation position 130 when particularly, using semiconductor cooler Spend any set temperature in range.For example incubation temperature is set in 18.5 degrees Celsius, when environment temperature is Celsius higher than 18.5 When spending, the work of semiconductor cooler forward direction is controlled temperature at 18.5 degrees Celsius, in refrigeration mode when environment temperature is lower than 18.5 Degree Celsius when, semiconductor cooler reverse operation controls temperature at 18.5 degrees Celsius in heating mode.

Being incubated for plate 120 substantially rectangular parallelepiped structure, incubation plate 120 can have the first surface 121 of mutually bending connection With second surface 122, i.e. first surface 121 and second surface 122 intersects vertically, and first surface 121 is the upper table for being incubated for plate 120 Face, second surface 122 are the side surface for being incubated for plate 120, and first surface 121 is oppositely arranged with optical assembly 210 is surveyed.It is incubated for cavity 140 include interconnected the first cavitys 141 and the second cavity 142, the first cavity 141 by first surface 121 a part of court The recess of substrate 110 (being recessed from top to bottom) is formed, and the second cavity 142 is by a part of second surface 122 along bearing assembly 301 Direction of motion recess (i.e. from outside to inside be recessed) formed.On first cavity 141 with the cross section ruler of 142 connectivity part of the second cavity Very little h forms a retention bead 123 at this point, being incubated on plate 120 less than the cross sectional dimensions H of the second cavity 142, is surveying light group Part 210 is in the test process of test card, when test card 20 is plugged in second cavity 142, the side wall of the second cavity 142 Swinging for test card 20 can be limited, meanwhile, retention bead 123 can limit swinging up and down for test card 20, it is ensured that test Card 20, which is accurately positioned in, to be incubated at position 130, when test, is surveyed optical assembly 210 by the first cavity 141 and is received the fluorescence being excited letter Number.

First cavity 141 can run through second surface 122, at this point, the first cavity 141 is to exist on second surface 122 The circumferential non-close cavity of notch.Certainly, the first cavity 141 can be not through second surface 122, at this point, the first cavity 141 is The circumferentially closed cavity of notch is not present on second surface 122.The direction of substrate 110 is directed toward (i.e. from upper along first surface 121 Down), the cross sectional dimensions of the first cavity 141 gradually decreases, and the first cavity 141 is substantially funnel-shaped；The cross of second cavity 142 Sectional dimension can remain unchanged.

It is incubated on the bottom wall of cavity 140 and is provided with limit raised line 142a, specifically, limit raised line 142a setting is the On the bottom wall of two cavitys 142, limit raised line 142a extends along the direction of motion of bearing assembly 301, when test card 20 and the second chamber When body 142 cooperates, test card 20 is slidably matched with limit raised line 142a.Therefore, it is moved in bearing assembly 301 and drives test 20 insertion of card plays the opposite sliding for being incubated for plate 120 of test card 20 far from raised line 142a during the second cavity 142, is limited To good guiding role.

Simultaneously refering to fig. 1 and Fig. 6, light-measuring mechanism 200 further includes laterally driven component 220 and zigzag tread patterns component 230, horizontal It include the first mounting rack 221, the first synchronous belt 222, the first sliding block 223, motor 224, driving wheel and driven to driving assembly 220 Wheel.First mounting rack 221 can be set on the substrate 110 for being incubated for mechanism 100, for example, the first mounting rack 221 and substrate 110 Upper surface connection.Motor 224, driving wheel and driven wheel are arranged on the first mounting rack 221, and motor 224 directly drives master Driving wheel rotation, the first synchronous belt 222 are set on driving wheel and driven wheel, and the first sliding block 223 is fixed on the first synchronous belt 222 On.It is also provided with guide rail 225 on first mounting rack 221, the guide rail 225 and the first sliding block 223 are slidably matched and along left and right Direction extends.Zigzag tread patterns component 230 is fixed on the first sliding block 223, when motor 224 passes through the first synchronous belt 222 driving the When one sliding block 223 is slided along guide rail 225, zigzag tread patterns component 230 follows the first sliding block 223 to move in left-right direction.

Zigzag tread patterns component 230 may include the first lead screw motor 231, and the first lead screw motor 231 is fixed on the first sliding block On 223, the output shaft of the first lead screw motor 231 is connect with optical assembly 210 is surveyed.Guide rail can also be set on first sliding block 223 223a, guide rail 223a extend along the longitudinal direction, survey optical assembly 210 and guide rail 223a and are slidably matched, the first lead screw motor 231 can To drive survey optical assembly 210 to slide back and forth with respect to the first sliding block 223.In surveying test process of the optical assembly 210 to test card 20, First synchronous belt 222 drives survey optical assembly 210 to move between different incubation positions 130 by the first sliding block 223, so that surveying light group Part 210 can be tested the different test cards 20 for being incubated for position 130 are located at；Meanwhile first lead screw motor 231 drive survey light group Part 210 is moved with respect to the first sliding block 223, is enabled and is surveyed in whole region corresponding to the same incubation position 130 of the reception of optical assembly 210 Fluorescence signal, to efficiently be tested multiple test cards 20.Certainly, zigzag tread patterns component 230 can also be the machines such as cylinder Structure.

Surveying optical assembly 210 includes support base 211, light source 212 and signal receiving element 213, and support base 211 is slidably arranged in On first sliding block 223 of laterally driven component 220, i.e., support base 211 is slidably matched with the guide rail on the first sliding block 223.Light source 212 and signal receiving element 213 be installed on support base 211, light source 212 be used for excite be located at incubation position 130 in test Fluorescent material in card 20 is to generate fluorescence signal, and light source 212 is laser, in other embodiments, light in the present embodiment Source 212 can also be the optical devices such as light emitting diode.Signal receiving element 213 is excited in the incubation position 130 for receiving The fluorescence signal of generation.Signal receiving element 213 is photodiode in the present embodiment, and in other embodiments, signal connects Receiving element 213 can also be the photoelectric devices such as photomultiplier tube.

In other embodiments, the quantity of the first sliding block 223 can be not less than two, due on each first sliding block 223 It is provided with and surveys optical assembly 210, therefore, entire fluorescence immunoassay tester 10 is at synchronization can be to multiple incubation positions 130 Sample tested simultaneously, realize logical to improve test in the concurrent testing for mutually completing more parts of samples and test card in the same time Amount.

Simultaneously refering to fig. 1 and Fig. 2, in some embodiments, load carrier 300 further includes the first driving assembly 303 and the Two driving assemblies 302, the quantity of bearing assembly 301 is equal with the quantity of position 130 is incubated for, i.e. bearing assembly 301 and incubation position 130 Form one-to-one relationship.

Simultaneously refering to Fig. 2 to Fig. 5, the first driving assembly 303 includes driving unit 380, and the second driving assembly 302 includes the Two mounting racks 340, the second synchronous belt 350, the second sliding block 360, motor 370, driving wheel and driven wheel.Second mounting rack 340 can The side for being incubated for mechanism 100 is arranged in.Motor 370, driving wheel and driven wheel are arranged on the second mounting rack 340, motor 370 directly drive driving wheel rotation, and the second synchronous belt 350 is set on driving wheel and driven wheel, and the second sliding block 360 is fixed on the On two synchronous belts 350.It is also provided with guide rail 341 on second mounting rack 340, which matches with the sliding of the second sliding block 360 Merging extends in left-right direction, and driving unit 380 is fixed on the second sliding block 360, when motor 370 passes through the second synchronous belt 350 When the second sliding block 360 being driven to slide along guide rail 341, driving unit 380 follows the second sliding block 360 to move in left-right direction.

The quantity of driving unit 380 can be one, and driving unit 380 may include the second lead screw motor 381, and second drives Dynamic component 302 drives the second lead screw motor 381 to move between each bearing assembly 301 by the second sliding block 360.Substrate 110 Lower surface guide rail 111 can be set, bearing assembly 301 is slidably matched with the guide rail 111, and the guide rail 111 is equally along front and back To extension, the output shaft of the second lead screw motor 381, which can apply bearing assembly 301, compresses power, then pushes bearing assembly 301 Opposite rail 111 slides, so that the test card 20 on bearing assembly 301, which is detached from, is incubated for position 130.Therefore, when positioned at a certain carrying After the test sample in test card 20 on component 301, the second synchronous belt 350 can be made to drive the second lead screw motor 381 It arrives at position corresponding with the bearing assembly 301, then surveys 381 pushing tow bearing assembly 301 of the second lead screw motor to drive Examination card 20, which is detached from, is incubated for position 130.In other embodiments, driving unit 380 may include the mechanisms such as cylinder, certainly, drive The quantity of moving cell 380 can be equal with the quantity of bearing assembly 301 and corresponds, while the second driving assembly 302 can be with It omits, when a certain test card 20, which needs to be detached from, is incubated for position 130, which can be carried by corresponding 380 pushing tow of driving unit The bearing assembly 301 of examination card 20 moves.

First driving assembly 303 further includes fixed column 391 and elastomer 392, and fixed column 391, which is mounted on, is incubated for mechanism 100 On, for example, multiple fixed columns 391 are linearly arranged at intervals on the lower surface of substrate 110, the corresponding bullet of each fixed column 391 Property body 392, corresponding two elastomers 392 of each bearing assembly 301.Elastomer 392 can be for spring etc., one end of spring and solid Determine part connection, the other end of spring is connect with bearing assembly 301.When 381 pushing tow bearing assembly 301 of the second lead screw motor is to drive After test card 20 is detached from incubation position 130, spring is stretched and stores energy, at this point it is possible to the test card that will be completed 20 take away, and the new test card 20 for being contained with sample to be tested is put on bearing assembly 301, in the second lead screw motor 381 Output shaft shrink and reset during, spring releases energy, spring to bearing assembly 301 generate pulling force, bearing assembly 301 Opposing substrate 110 slides and test card 20 thereon is driven to be incubated for into position 130 is incubated for be incubated for test card 20 Optical signal measurement is carried out to test card 20 at rear survey optical assembly 210.In other embodiments, the first driving assembly 303 can save The slightly setting of elastomer 392 and fixed column 391, can be arranged electromagnet on the output shaft of the second lead screw motor 381, pass through electricity Bearing assembly 301 is sucked in magnet, and the opposite mechanism 100 that is incubated for of load bearing unit is then driven to reciprocatingly slide, final to realize test card 20 It is detached from or enters the incubation position 130.When the second synchronous belt 350 drives the second lead screw motor 381 to leave a certain bearing assembly 301 When, electromagnet can be powered off, the connection of the second lead screw motor 381 and the bearing assembly 301 be released, so as to the second lead screw motor 381 move to position corresponding with other bearing assemblies 301.

For wherein a certain incubation position 130, after test sample, 381 pushing tow of the second lead screw motor can be made and be somebody's turn to do It is incubated for the corresponding bearing assembly 301 in position 130, bearing assembly 301 drives test card 20 from the second cavity 142 for being incubated for cavity 140 In exit, so as to test card 20 unloading.After 20 completion of discharge of test card, is loaded on bearing assembly 301 and be contained with sample to be tested Test card 20, the second lead screw motor 381 retract, under the pulling force of spring, bearing assembly 301 drive test card 20 insertion be incubated for In second cavity 142 of cavity 140.Test card 20 starts to be incubated for the specific time in being incubated for cavity 140.Incubation time is usual It is 1-30 minutes.After incubation, the first synchronous belt 222 drives the movement of the first sliding block 223, and the first sliding block 223, which drives, surveys light group The support base 211 of part 210 arrives at the incubation position 130, and light source 212 shines with the fluorescent material in the card of challenge test 20 and generates glimmering Optical signal, signal receiving element 213 receive the fluorescence signal of the generation that is excited and measure.Certainly, the first lead screw motor 231 can drive support base 211 to move back and forth, it is ensured that light source 212 and signal receiving element 213 can be excited and be received and be incubated for position Fluorescence signal in whole region corresponding to 130, to improve measuring accuracy.

With setting only one be incubated for position 130 traditional design scheme relatively, by be incubated for mechanism 100 on setting it is more A incubation position 130, while laterally driven component 220 drives survey optical assembly 210 to move between each incubation, to survey optical assembly 210 can test in each test card 20 for being incubated for position 130.When survey optical assembly 210 is in wherein a certain incubation position When sample in 130 test card 20 is tested, the testing time of the test card 20 can be made full use of, with other incubations Test card 20 is loaded on 130 corresponding bearing assemblies 301 of position, so that bearing assembly 301 drives test card 20 to incubation position 130 It is tested；The test card 20 that can also make bearing assembly 301 that sample be driven to be completed, which is detached from, is incubated for position 130, then will Test card 20 is unloaded from bearing assembly 301.It can make loading, unloading and the test of sample of test card 20 so simultaneously " simultaneously Row " carries out, and avoids successively " serial " progress, and therefore, within the same time, surveying optical assembly 210 can be to more test card Sample in 20 is detected, to improve the test flux of entire fluorescence immunoassay tester 10.In addition, test card 20 is being incubated for Constant-temperature incubation is completed in position 130, does not need to be then transferred to after being incubated for outside fluorescence immunoassay tester 10 and be tested thereon, is not only subtracted Manual operations is lacked, has improved efficiency, has also reduced influence of the environmental temperature fluctuation to test result to greatest extent, ensure that survey Try performance.

Refering to fig. 1 with Fig. 2, Fig. 7 to Figure 10, in some embodiments, bearing assembly 301 includes bearing seat 310, pedestal 320 are arranged in wherein one end of pedestal 320 with abutting plate 330, bearing seat 310, and bearing seat 310 is used for bearing test card 20, base Seat 320 is slidably matched with the substrate 110 for being incubated for mechanism 100, and abutting plate 330 is arranged in the other end of pedestal 320, on pedestal 320 Sliding slot 321 is offered, which cooperates with the guide rail 111 being incubated on 100 substrate 110 of mechanism is arranged in.First driving assembly 303 the second lead screw motor 381 can compress power to the application of plate 330 is abutted, so that 320 opposing substrate 110 of pedestal be pushed to slide.

Specifically, bearing seat 310 includes plummer 400 and handle 500, plummer 400 with abut described in plate 330 lives apart The opposite sides of pedestal 320, i.e. plummer 400 are located at the upside of pedestal 320, abut the downside that plate 330 is located at pedestal 320, lead to It crosses the two sides up and down of plummer 400, the abutting separation pedestal 320 of plate 330, it is whole that fluorescence immunoassay tester 10 can be better achieved The layout of machine.Plummer 400 can substantially in a rectangular parallelepiped shape, and plummer 400 has top surface 410 interconnected and side 420, A part recess of top surface 410 forms card slot 430, and test card 20 is housed in the card slot 430, opens up on the bottom wall of card slot 430 There is accommodating hole 440, offered on side 420 and keep away a hole 450, keeps away a hole 450 and accommodating hole 440 is interconnected.

Handle 500 includes rotating part 510, lug boss 520 and handle portion 530, lug boss 520 and handle portion 530 with rotation Transfer part 510 connects, and rotating part 510 is located in accommodating hole 440, through-hole 511 is provided on rotating part 510, bearing assembly 301 also wraps Shaft is included, is threaded through in the middle part of shaft in the through-hole 511, the both ends of shaft and plummer 400 are rotatablely connected, i.e. rotating part 510 It is realized and is rotatablely connected by shaft and plummer 400.The surface protrusion setting length in 520 relative rotation portion 510 of lug boss, handle Portion 530, which passes through, to be kept away a hole 450 and is located at except plummer 400.

When rotating handle portion 530 far from plummer 400, handle portion 530 drives lug boss 520 by rotating part 510 It protrudes into card slot 430 and cooperates with the card hole in test card 20, test card 20 is loaded on plummer 400, it is ensured that test card 20 is steady Surely it is securely fixed on plummer 400.When rotating handle portion 530 close to plummer 400, handle portion 530 passes through rotation Portion 510 drives lug boss 520 to hide in accommodating hole 440, and the card hole in lug boss 520 and test card 20 releases matching relationship, this When, test card 20 can smoothly be unloaded from plummer 400.Therefore, 301 structure of bearing assembly is simple, meanwhile, it only needs to rotate Test card 20 can be realized in plummer so that lug boss 520 and card hole cooperation or disengaging in test card 20 in handle portion 530 Loading and unloading on 400, improve the operation ease of bearing assembly 301.

In some embodiments, bearing assembly 301 further includes compressing elastic slice 600, compresses elastic slice 600 and is arranged in plummer On 400 top surface 410, elastic slice 600 is compressed for compressing power to the application of test card 20 from top to bottom, further increases test card 20 The stability of loading.It compresses elastic slice 600 and includes mounting portion 610, compressed part 620 and guide part 630, mounting portion 610 and top surface 410 Connection, compressed part 620 is for compressing test card 20 and having first end 621 and second end 622, the first end 621 of compressed part 620 It being connect with mounting portion 610, the second end 622 of compressed part 620 protrudes into card slot 430, and the second of guide part 630 and compressed part 620 622 connection of end simultaneously extends towards the direction far from 430 bottom wall of card slot, i.e., guide part 630 extends obliquely upward.In test card 20 from carrying During card slot 430 is inserted into the side 420 of platform 400, guide part 630 is contacted with test card 20 at first, 630 pairs of guide part tests Guiding role is played in the movement of card 20, it is ensured that test card 20 is smoothly inserted into card slot 430, when test card 20 enters in card slot 430 And when cooperating with the lug boss of handle 500 520, compressed part 620 applies elastic pressure to test card 20 simultaneously.

In some embodiments, bearing assembly 301 further includes elastic component 700, elastic component 700 be pressed on plummer 400 with Between the handle portion 530.For example, elastic component 700 can be compressed spring 710.When test card 20 is loaded in carrying, pressure Contracting spring 710 is in compressive state and applies elastic force to handle portion 530, has handle portion 530 far from the rotation of plummer 400 Trend, it is ensured that the stability of lug boss 520 and the cooperation of 20 card hole of test card.When needing to unload test card 20, make handle portion 530 It being moved close to plummer 400, compressed spring 710 is further compressed, and handle portion 530 overcomes the elastic force of compressed spring 710 to rotate, when When lug boss 520 is detached from the card hole of test card 20, unloading of the test card 20 on plummer 400 may be implemented.When continuation is being held When loading test card 20 on microscope carrier 400, under the reset response of compressed spring 710, handle is rotated far from plummer 400 automatically, So that the card hole of lug boss 520 and test card 20 cooperates, to realize loading of the test card 20 on plummer 400.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of bearing assembly is used for bearing test card characterized by comprising

Plummer, has top surface interconnected and side, and a part recess of the top surface is formed for accommodating test card Card slot offers accommodating hole on the bottom wall of the card slot, offered on the side be connected with the accommodating hole keep away a hole； And

Handle, including rotating part, lug boss and handle portion, the lug boss and handle portion are connect with the rotating part, described Rotation portion is rotatablely connected in the accommodating hole and with the plummer, and the surface of the relatively described rotating part of the lug boss is convex Length is set out, and a hole is kept away described in the handle portion drawing-in and is located at except the plummer；

Wherein, when rotational handle portion and when lug boss being driven to protrude into card slot to cooperate with test card, test card is loaded in plummer On；When rotational handle portion and when lug boss being driven to hide into accommodating hole to be detached from test card, test card can be unloaded from plummer.

2. bearing assembly according to claim 1, which is characterized in that it further include compressing elastic slice, the compression elastic slice setting On the top surface and for compressing test card.

3. bearing assembly according to claim 2, which is characterized in that the compression elastic slice include mounting portion, compressed part and Guide part, the mounting portion are connect with the top surface, and the compressed part is used to compress test card and have a first end and a second end, The first end of the compressed part is connect with the mounting portion, and the second end of the compressed part protrudes into the card slot, the guiding Portion connect with the second end of the compressed part and extends towards the direction far from the card slot bottom wall.

4. bearing assembly according to claim 1, which is characterized in that further include elastic component, the elastic component is pressed on institute It states between plummer and the handle portion.

5. bearing assembly according to claim 4, which is characterized in that the elastic component includes compressed spring.

6. bearing assembly according to claim 1, which is characterized in that further include the pedestal being connect with the plummer, institute It states and offers sliding slot on pedestal, the sliding slot is used for and is incubated for mechanism slips cooperation.

7. bearing assembly according to claim 6, which is characterized in that further include abutting plate, the abutting plate and the base Seat connection；When applying active force on abutting plate, abutting plate can push pedestal is opposite to be incubated for mechanism slips.

8. bearing assembly according to claim 7, which is characterized in that the connection of one end of the plummer and pedestal, it is described It abuts plate to connect with the other end of the pedestal, the plummer is lived apart the opposite sides of the pedestal with the plate that abuts.

9. bearing assembly according to claim 1, which is characterized in that further include shaft, be provided on the rotating part logical Hole, the shaft wear in the through hole and are rotatablely connected with the plummer.

10. a kind of fluorescence immunoassay tester, which is characterized in that including bearing assembly described in any one of claims 1 to 9.