CN113426504A - Anti-pollution inspection device for clinical laboratory - Google Patents

Abstract

The invention provides an anti-pollution inspection device for a clinical laboratory, which belongs to the technical field of medical instruments, the anti-pollution inspection device for the clinical laboratory comprises a shell, wherein the upper end of the shell is provided with a lifting groove, a lifting platform is connected in the lifting groove in a sliding manner, two groups of lifting mechanisms are arranged in the lifting groove, each group comprises a spring groove, a cylinder, two sliding blocks, two supporting rods and two first springs, the spring groove is arranged on the lower inner wall of the lifting groove, the two sliding blocks are connected in the spring groove in a sliding manner, the two first springs are respectively and fixedly connected to the left inner wall and the right inner wall of the lifting groove, and the end that is close to mutually of two first springs is fixed connection in the end of keeping away from mutually of two sliders respectively, fixedly connected with connecting rod between two branches, and this device makes the operation panel desktop isolated with the air, and the shower nozzle sprays gaseous of disinfecting for operating space is sterile more thoroughly.

Description

Anti-pollution inspection device for clinical laboratory

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to an anti-pollution inspection device for a clinical laboratory.

Background

Medical instruments refer to instruments, devices, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly on the human body, including the required computer software. The effects are obtained mainly by physical means, not by pharmacological, immunological or metabolic means, or they are involved but only as an aid. For the purpose of diagnosis, prevention, monitoring, treatment, or amelioration of a disease; diagnosis, monitoring, treatment, mitigation, or functional compensation of injury; examination, replacement, regulation or support of a physiological structure or physiological process; support or maintenance of life; controlling pregnancy; by examining a sample from a human body, information is provided for medical or diagnostic purposes.

In clinical medical examination, some toxic, harmful and volatile objects are often required to be examined, if the effects of protective measures and disinfection measures are poor, bacteria can be bred again when the objects are in contact with the outside, and an inspection bench capable of isolating air and automatically disinfecting the air is required.

Disclosure of Invention

The invention aims to provide an anti-pollution inspection device for a clinical laboratory, and aims to solve the problems that in the prior art, in clinical medical inspection, some toxic, harmful and volatile objects are often required to be inspected, if protective measures and disinfection measures are poor in effect, bacteria are likely to grow again when the objects are in contact with the outside, and an inspection table capable of isolating air and automatically disinfecting is required.

In order to achieve the purpose, the invention provides the following technical scheme:

an anti-pollution inspection device for a clinical laboratory comprises a shell, wherein a lifting groove is formed in the upper end of the shell, a lifting table is connected in the lifting groove in a sliding manner, two groups of lifting mechanisms are arranged in the lifting groove, each group of lifting mechanisms comprises a spring groove, an air cylinder, two sliders, two support rods and two first springs, the spring groove is formed in the lower inner wall of the lifting groove, the two sliders are connected in the spring groove in a sliding manner, the two first springs are respectively and fixedly connected to the left inner wall and the right inner wall of the lifting groove, the approaching ends of the two first springs are respectively and fixedly connected to the far ends of the two sliders, a connecting rod is fixedly connected between the two support rods, the air cylinder is fixedly connected to the lower inner wall of the lifting groove, and the right end of the connecting rod is fixed to a thin rod of the air cylinder; the upper ends of the four supporting rods are movably hinged to the lower end of the lifting platform through hinge shafts.

As a preferable scheme of the invention, two sets of sliding mechanisms are arranged on the upper side of the lifting platform, each set of sliding mechanism comprises a sliding plate, two chain grooves, two chains, two second gears, a first motor and four first gears, the two chain grooves are arranged at the upper end of the lifting platform, the four first gears are respectively and rotatably connected between the front inner wall and the rear inner wall of the two chain grooves, the two chains are respectively in meshing transmission connection with the circumferential surfaces of the four first gears, the sliding plate is connected with the upper end of the lifting platform in a sliding way, the two second gears are both rotationally connected with the lower end of the sliding plate, and the two second gears are respectively meshed with the surfaces of the two chains, a rotating groove is arranged between the two chain grooves, the first motor is fixedly connected to the center of the lower inner wall of the rotary groove, and the adjacent ends of the two first gears on the right side are fixed to the front output end and the rear output end of the first motor through rotary rods.

As a preferred scheme of the present invention, a set of moving device is disposed on the upper side of the sliding plate on the right side, the moving device includes a rectangular groove, a disinfectant bottle, a nozzle, a push rod, a cover plate, a second motor and a screw rod, the rectangular groove is disposed on the upper end of the sliding plate, a disinfectant storage tank is disposed on the lower inner wall of the rectangular groove, the disinfectant bottle is fixedly connected to the lower inner wall of the disinfectant storage tank, the nozzle is fixedly mounted on the upper end of the disinfectant bottle, a sliding groove is disposed on the left inner wall of the rectangular groove, the cover plate is slidably connected to the sliding groove, a circular groove is disposed on the left inner wall of the sliding groove, the second motor is fixedly connected to the left inner wall of the circular groove, the screw rod is fixedly connected to the output end of the second motor, a screw nut is threadedly connected to the circumferential surface of the screw rod, and the circular pipe is fixedly connected to the circumferential surface of the screw nut, and the right end of the round pipe is fixed with the left end of the cover plate, and the left end and the right end of the push rod are respectively and movably hinged to the lower end of the cover plate and the circumferential surface of the spray head knob switch through hinge shafts.

As a preferable scheme of the present invention, a set of damping mechanism is disposed at an upper end of the housing, the damping mechanism includes a pressure reducing plate groove, a pressure reducing plate, a pressure sensor and two second springs, the pressure reducing plate groove is disposed at the upper end of the housing, the pressure sensor is fixedly connected to a lower inner wall of the pressure reducing plate groove, the two second springs are fixedly connected to a lower inner wall of the pressure reducing plate groove, and the pressure reducing plate is fixedly connected to upper ends of the two second springs.

As a preferable scheme of the invention, the rear part of the upper end of the shell is movably hinged with a cover through a hinge, and four corners of the lower end of the shell are fixedly connected with universal wheels.

As a preferred scheme of the invention, first telescopic rods are arranged in the two first springs in each group of lifting mechanisms, the left and right ends of the two telescopic rods are respectively fixed with the right ends of the two sliding blocks and the right inner walls of the two spring grooves, second telescopic rods are arranged in the two second springs, and the upper and lower ends of the two second telescopic rods are respectively fixed with the lower inner walls of the pressure reducing plate grooves and the lower ends of the pressure reducing plates.

As a preferable scheme of the invention, a PLC controller is fixedly mounted at the front end of the housing, and the second motor, the first motor and the two cylinders are in signal connection with the PLC controller.

In a preferred embodiment of the present invention, the cover has a glass groove formed on a surface thereof, and glass is mounted between circumferential inner walls of the glass groove.

As a preferable scheme of the invention, two storage grooves are formed in the front end of the lifting platform, and the left inner wall and the right inner wall of each storage groove are connected with an object placing plate in a sliding manner through sliding rails.

As a preferred scheme of the invention, the front and rear ends of the two second gears in each group of sliding mechanisms are fixedly connected with limit blocks, the front and rear inner walls of the chain groove are respectively provided with limit grooves, and the four limit blocks are respectively connected in the two limit grooves in a sliding manner.

Compared with the prior art, the invention has the beneficial effects that:

1. open the lid in this scheme, use the PLC controller to start the cylinder, the cylinder promotes the connecting rod, and the connecting rod receives the effort and drives two sliders and slide left, and first spring is in the telescopic state this moment, and along with the removal of two sliders, two branches promote the elevating platform rebound, and this device makes the elevating platform can rise or descend the adjustment of person of facilitating the use to the shell height.

2. Starting first motor in this scheme, first motor drives two first gear on right side and rotates, and four first gear drive chain rotate, and along with the rotation of chain, the second gear drives the slide and removes left, and two slides slide to both sides this moment, and this device has increased the size of checkout stand desktop through the slip of two slides, has improved the usage space of checkout stand.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a first exploded view of the present invention;

FIG. 3 is a second perspective view of the present invention;

FIG. 4 is a second exploded view of the present invention;

FIG. 5 is a third exploded view of the present invention;

FIG. 6 is a cross-sectional view of the present invention;

FIG. 7 is a fourth exploded view of the present invention;

fig. 8 is a fifth exploded view of the present invention.

In the figure: 1. a housing; 2. a cover; 3. a sliding mechanism; 301. a slide plate; 302. a chain; 303. a chain groove; 304. a first gear; 305. a second gear; 4. a mobile device; 401. a rectangular groove; 402. a cover plate; 403. a spray head; 404. a disinfectant bottle; 405. a push rod; 406. a circular tube; 407. a second motor; 408. A screw rod; 5. a lifting mechanism; 501. a cylinder; 502. a strut; 503. a slider; 504. a chute; 505. A first spring; 6. a lifting groove; 7. a damping mechanism; 701. a decompression plate; 702. a pressure sensor; 703. A second spring; 704. a pressure reducing plate groove; 8. a PLC controller; 9. a lifting platform; 10. a storage tank; 11. An object placing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-8, the present invention provides the following technical solutions:

the utility model provides an anti-pollution verifying attachment for clinical laboratory, which comprises a housing 1, shell 1's upper end has been seted up lifting groove 6, sliding connection has elevating platform 9 in lifting groove 6, be provided with two sets of elevating system 5 in the lifting groove 6, each group all includes spring groove 504, cylinder 501, two sliders 503, two branches 502 and two first springs 505, spring groove 504 is seted up in the lower inner wall of lifting groove 6, two sliders 503 all sliding connection are in spring groove 504, two first springs 505 are fixed connection respectively in the left and right inner walls of lifting groove 6, and the end that is close to of two first springs 505 is fixed connection respectively in the end that keeps away from of two sliders 503, the fixed connection pole between two branches 502, cylinder 501 fixed connection is in the lower inner wall of lifting groove 6, the right-hand member of connecting pole is fixed with the thin pole of cylinder 501; the upper ends of the four supporting rods 502 are movably hinged to the lower end of the lifting platform 9 through hinge shafts.

In the embodiment of the invention, the upper end of the housing 1 is matched with the upper end of the cover 2, so that the device is closed more tightly, the cover 2 is opened, the PLC 8 is used for starting the air cylinder 501, the air cylinder 501 pushes the connecting rod, the connecting rod is forced to drive the two sliding blocks 503 to slide leftwards, at the moment, the first spring 505 is in a telescopic state, the two supporting rods 502 push the lifting platform 9 to move upwards along with the movement of the two sliding blocks 503, the lifting platform 9 can ascend or descend to facilitate the height adjustment of the housing 1 by a user, the first motor is started, the first motor drives the two first gears 304 on the right side to rotate, the four first gears 304 drive the chain 302 to rotate, along with the rotation of the chain 302, the second gear 305 drives the sliding plate 301 to move leftwards, at the moment, the two sliding plates 301 slide towards two sides, and the device slides through the two sliding plates 301, the size of the table top of the inspection table is increased, the use space of the inspection table is increased, and what needs to be explained is that: the specific type of the second motor 407, the first motor, the lead screw 408, the lead screw nut, the PLC controller 8, the air cylinder 501, and the pressure sensor 702 is selected by a person skilled in the art, and the second motor 407, the first motor, the lead screw 408, the lead screw nut, the PLC controller 8, the air cylinder 501, the pressure sensor 702, and the like all belong to the prior art, and no further description is given to this scheme.

Specifically, referring to fig. 1, two sets of sliding mechanisms 3 are disposed on the upper side of the lifting platform 9, each set of sliding mechanisms 3 includes a sliding plate 301, two chain grooves 303, two chains 302, two second gears 305, a first motor and four first gears 304, the two chain grooves 303 are both disposed at the upper end of the lifting platform 9, the four first gears 304 are respectively rotatably connected between the front and rear inner walls of the two chain grooves 303, the two chains 302 are respectively engaged and transmission-connected to the circumferential surfaces of the four first gears 304, the sliding plate 301 is slidably connected to the upper end of the lifting platform 9, the two second gears 305 are both rotatably connected to the lower end of the sliding plate 301, and two second gears 305 are respectively engaged with the surfaces of the two chains 302, a rotating groove is formed between the two chain grooves 303, the first motor is fixedly connected to the center of the lower inner wall of the rotating groove, and the adjacent ends of the two first gears 304 on the right side are fixed with the front and rear output ends of the first motor through rotating rods.

In this embodiment: start first motor, two first gears 304 on first motor drive right side rotate, and four first gears 304 drive chain 302 and rotate, and along with the rotation of chain 302, second gear 305 drives slide 301 and removes left, and two slides 301 slide to both sides this moment, and this device has increased the size of checkout stand desktop through the slip of two slides 301, has improved the usage space of checkout stand.

Referring to fig. 1, specifically, a set of moving device 4 is disposed on the upper side of the slide plate 301 on the right side, the moving device 4 includes a rectangular groove 401, a disinfectant bottle 404, a nozzle 403, a push rod 405, a cover plate 402, a second motor 407 and a screw rod 408, the rectangular groove 401 is disposed on the upper end of the slide plate 301, a disinfectant storage groove is disposed on the lower inner wall of the rectangular groove 401, the disinfectant bottle 404 is fixedly connected to the lower inner wall of the disinfectant storage groove, the nozzle 403 is fixedly mounted on the upper end of the disinfectant bottle 404, a sliding groove is disposed on the left inner wall of the rectangular groove 401, the cover plate 402 is slidably connected to the sliding groove, a circular groove is disposed on the left inner wall of the sliding groove, the second motor 407 is fixedly connected to the left inner wall of the circular groove, the screw rod 408 is fixedly connected to the output end of the second motor 407, a screw nut is threadedly connected to the circumferential surface of the screw rod 408, the circular tube 406 is fixedly connected to the circumferential surface of the screw nut, and the right end of the second motor 406 is fixed to the left circular tube of the cover plate 402, the left and right ends of the push rod 405 are respectively hinged on the lower end of the cover plate 402 and the circumferential surface of the knob switch of the spray head 403 through hinge shafts.

In this embodiment: this scheme is along with lid 2 closes lid 2 and produces pressure to pressure sensors 702, and PLC controller 8 control second motor 407 starts, and second motor 407 drives pipe 406 and moves left, and apron 402 is opened this moment, and shower nozzle 403 sprays the antiseptic solution disinfection to the operation panel, and this device makes the operation panel desktop isolated with the air for the sterile more thorough of operating space.

Specifically referring to fig. 1, a group of damping mechanisms 7 is disposed at the upper end of the casing 1, each damping mechanism 7 includes a pressure reducing plate groove 704, a pressure reducing plate 701, a pressure sensor 702 and two second springs 703, the pressure reducing plate groove 704 is disposed at the upper end of the casing 1, the pressure sensor 702 is fixedly connected to the lower inner wall of the pressure reducing plate groove 704, the two second springs 703 are fixedly connected to the lower inner wall of the pressure reducing plate groove 704, and the pressure reducing plate 701 is fixedly connected to the upper ends of the two second springs 703.

In this embodiment: the two second springs 703 can protect the pressure sensor 702 from damage, and can prolong the service life of the device.

Specifically referring to fig. 1, a cover 2 is movably hinged to the rear portion of the upper end of a housing 1 through hinges, and universal wheels are fixedly connected to four corners of the lower end of the housing 1.

In this embodiment: the universal wheels can facilitate a user to push the whole operating platform.

Specifically, referring to fig. 1, in each set of lifting mechanism 5, first telescopic rods are disposed in two first springs 505, the left and right ends of the two telescopic rods are fixed to the right ends of two sliding blocks 503 and the right inner walls of two spring slots 504, respectively, second telescopic rods are disposed in two second springs 703, and the upper and lower ends of the two second telescopic rods are fixed to the lower inner walls of pressure reducing plate slots 704 and the lower ends of pressure reducing plates 701, respectively.

In this embodiment: the second telescopic rod and the first telescopic rod can prevent the first spring 505 and the second spring 703 from deforming, so that the device is more stable.

Referring to fig. 1, a PLC controller 8 is fixedly installed at the front end of the housing 1, and the second motor 407, the first motor, the two cylinders 501 and the PLC controller 8 are connected by signals.

In this embodiment: PLC controller 8 makes the operation panel more intelligent, and the person of facilitating the use operates this device.

Specifically, referring to fig. 1, a glass groove is formed on the surface of the cover 2, and glass is installed between the circumferential inner walls of the glass groove.

In this embodiment: the glass can facilitate the situation that a user penetrates through the operating platform.

Specifically, referring to fig. 1, two storage grooves 10 are formed in the front end of the lifting platform 9, and the left and right inner walls of the two storage grooves 10 are connected with an object placing plate 11 through sliding rails.

In this embodiment: two storing grooves 10 have increased the usage space of this device, conveniently accomodate medical instrument.

Specifically, referring to fig. 1, in each group of sliding mechanisms 3, the front end and the rear end of each of the two second gears 305 are fixedly connected with a limiting block, the front inner wall and the rear inner wall of each chain groove 303 are provided with limiting grooves, and the four limiting blocks are respectively connected in the two limiting grooves in a sliding manner.

In this embodiment: four stopper difference sliding connection can prevent that second gear 305 can not rock in two spacing inslots for this device is more firm.

The working principle and the using process of the invention are as follows: the cover 2 is opened, the PLC 8 is used for starting the air cylinder 501, the air cylinder 501 pushes the connecting rod, the connecting rod is driven by acting force to drive the two sliding blocks 503 to slide leftwards, at the moment, the first spring 505 is in a telescopic state, along with the movement of the two sliding blocks 503, the two supporting rods 502 push the lifting platform 9 to move upwards, the device enables the lifting platform 9 to ascend or descend, so that a user can conveniently adjust the height of the shell 1, the first motor is started, the first motor drives the two first gears 304 on the right side to rotate, the four first gears 304 drive the chains 302 to rotate, along with the rotation of the chains 302, the second gear 305 drives the sliding plates 301 to move leftwards, at the moment, the two sliding plates 301 slide towards two sides, the size of the table top of the inspection table is increased through the sliding of the two sliding plates 301, the use space of the inspection table is improved, when the cover 2 is closed, the cover 2 generates pressure to the pressure sensor 702, PLC controller 8 control second motor 407 starts, and second motor 407 drives pipe 406 and moves left, and apron 402 was opened this moment, and shower nozzle 403 sprays the antiseptic solution disinfection to the operation panel, and this device makes the operation panel desktop isolated with the air, and the shower nozzle sprays gaseous of disinfecting for operation space is sterile more thoroughly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An anti-contamination testing device for clinical laboratory, characterized in that: the lifting device comprises a shell (1), the shell (1) is provided with a lifting groove (6) at the upper end of the shell (1), the lifting groove (6) is internally connected with a lifting platform (9) in a sliding manner, two groups of lifting mechanisms (5) are arranged in the lifting groove (6), each group of lifting mechanisms comprises a spring groove (504), a cylinder (501), two sliders (503), two supporting rods (502) and two first springs (505), the spring groove (504) is arranged on the lower inner wall of the lifting groove (6), the two sliders (503) are connected in the spring groove (504) in a sliding manner, the two first springs (505) are respectively and fixedly connected to the left inner wall and the right inner wall of the lifting groove (6), the close ends of the two first springs (505) are respectively and fixedly connected to the far ends of the two sliders (503), a connecting rod is fixedly connected between the two supporting rods (502), and the cylinder (501) is fixedly connected to the lower inner wall of the lifting groove (6), the right end of the connecting rod is fixed with a thin rod of the air cylinder (501); the upper ends of the four supporting rods (502) are movably hinged to the lower end of the lifting platform (9) through hinge shafts.

2. A contamination-preventive test device for clinical laboratories according to claim 1, characterized in that: the upper side of the lifting platform (9) is provided with two groups of sliding mechanisms (3), each group of sliding mechanisms (3) comprises a sliding plate (301), two chain grooves (303), two chains (302), two second gears (305), a first motor and four first gears (304), the two chain grooves (303) are formed in the upper end of the lifting platform (9), the four first gears (304) are respectively and rotatably connected between the front inner wall and the rear inner wall of the two chain grooves (303), the two chains (302) are respectively in meshing transmission connection with the circumferential surfaces of the four first gears (304), the sliding plate (301) is slidably connected with the upper end of the lifting platform (9), the two second gears (305) are respectively and rotatably connected with the lower end of the sliding plate (301), the two second gears (305) are respectively in meshing engagement with the surfaces of the two chains (302), and a rotating groove is formed between the two chain grooves (303), the first motor is fixedly connected to the center of the lower inner wall of the rotary groove, and the close ends of the two first gears (304) on the right side are fixed to the front output end and the rear output end of the first motor through rotary rods.

3. A contamination-preventive test device for clinical laboratories according to claim 2, characterized in that: the upper side of the sliding plate (301) positioned on the right side is provided with a group of moving devices (4), each moving device (4) comprises a rectangular groove (401), a disinfectant bottle (404), a spray head (403), a push rod (405), a cover plate (402), a second motor (407) and a screw rod (408), the rectangular groove (401) is arranged at the upper end of the sliding plate (301), the lower inner wall of the rectangular groove (401) is provided with a disinfectant storage groove, the lower inner wall of the disinfectant storage groove is fixedly connected with the disinfectant bottle (404), the spray head (403) is fixedly arranged at the upper end of the disinfectant bottle (404), the left inner wall of the rectangular groove (401) is provided with a sliding groove, the cover plate (402) is slidably connected in the sliding groove, the left inner wall of the sliding groove is provided with a circular groove, the second motor (407) is fixedly connected with the left inner wall of the circular groove, and the screw rod (408) is fixedly connected with the output end of the second motor (407), the screw rod (408) is in threaded connection with a screw nut on the circumferential surface, the round pipe (406) is fixedly connected to the circumferential surface of the screw nut, the right end of the round pipe (406) is fixed to the left end of the cover plate (402), and the left end and the right end of the push rod (405) are movably hinged to the lower end of the cover plate (402) and the circumferential surface of the spray head (403) knob switch through hinge shafts respectively.

4. A contamination-preventive test device for clinical laboratories according to claim 3, characterized in that: the upper end of shell (1) is provided with a set of damper (7), damper (7) are including pressure reduction board groove (704), pressure reduction board (701), pressure-sensitive inductor (702) and two second springs (703), the upper end of shell (1) is seted up in pressure reduction board groove (704), pressure-sensitive inductor (702) fixed connection is in the lower inner wall in pressure reduction board groove (704), two second spring (703) fixed connection is in the lower inner wall in pressure reduction board groove (704), pressure reduction board (701) fixed connection is in the upper end of two second springs (703).

5. A contamination-preventive test device for clinical laboratories according to claim 4, characterized in that: the upper end rear portion of shell (1) articulates through the hinge activity has lid (2), the equal fixedly connected with universal wheel in lower extreme four corners department of shell (1).

6. A contamination-preventive test device for clinical laboratories according to claim 5, characterized in that: every group all be provided with first telescopic link in two first springs (505) in elevating system (5), two both ends are fixed with the right-hand member of two slider (503) and the right inner wall of two spring groove (504) respectively about the telescopic link, two all be provided with the second telescopic link in second spring (703), two the upper and lower both ends of second telescopic link are fixed with the lower inner wall of decompression board groove (704) and the lower extreme of decompression board (701) respectively.

7. A contamination-preventive test device for clinical laboratories according to claim 6, characterized in that: the front end fixed mounting of shell (1) has PLC controller (8), signal connection between second motor (407), first motor and two cylinders (501) and PLC controller (8).

8. A contamination-preventive test device for clinical laboratories according to claim 7, characterized in that: the surface of the cover (2) is provided with a glass groove, and glass is arranged between the circumferential inner walls of the glass groove.

9. A contamination-preventive test device for clinical laboratories according to claim 8, characterized in that: two storage grooves (10) have been seted up to the front end of elevating platform (9), two inner wall all has through slide rail sliding connection thing board (11) about storage groove (10).

10. A contamination-preventive test device for clinical laboratories according to claim 9, characterized in that: every group the equal fixedly connected with stopper in both ends around two second gears (305) in slide mechanism (3), the spacing groove has all been seted up to the inner wall around chain groove (303), four the stopper is sliding connection respectively in two spacing inslots.

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