CN110980170A

CN110980170A - Incubation disc detection track switching mechanism

Info

Publication number: CN110980170A
Application number: CN202010137426.7A
Authority: CN
Inventors: 杨致亭; 刘向祎; 杨勤德; 姚凯伦; 李大伟
Original assignee: Weifang Kanghua Biotech Co ltd
Current assignee: Shandong Kanghua Biomedical Technology Co., Ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-04-10
Anticipated expiration: 2040-03-03
Also published as: CN110980170B

Abstract

The invention provides a track switching mechanism for detecting an incubation disc, which is characterized in that a first motor and a guide block are arranged when an outer ring track and a middle ring track are switched, and the continuity switching of reaction cups can be realized only by stopping an outlet of the guide block at the outer ring track or the middle ring track, so that the action is simplified, the stability and the detection efficiency of equipment are improved, the number of parts is reduced, and the production cost is saved; when switching from the inside circle track to the outside circle track, through setting up the cup switch and dialling the cup dog, when making the push pedal promote the reaction cup motion, dial the cup dog and can press from both sides the forward motion of reaction cup together, prevent that the reaction cup incline from empting, cause the chuck, dial the cup after finishing, dial the cup dog and can reset, can effectively reduce the chuck risk of reaction cup when switching.

Description

Incubation disc detection track switching mechanism

Technical Field

The invention relates to the field of detection, in particular to a track switching mechanism for detecting an incubation disc.

Background

When the full-automatic immunity analyzer is used for detecting serum, plasma and other human body fluids of a patient, a plurality of reactants are required to be added into an analyte, and finally, luminous base liquid is added to release energy in a photon form, and finally, the number of photons is read through a photon counter.

In the past incubation disc detection, an independent track switching mechanism is required for switching an inner ring and an outer ring, the track switching mechanism is used for shifting a reaction cup from the inner ring to the outer ring or from the outer ring to the inner ring by using a lead screw motor, and the cup is required to be moved once when one cup is shifted to the outer ring, so that the condition of clamping the cup is easily caused, the process is complicated, the structure is complex, and the manufacturing cost of parts is high.

Disclosure of Invention

The invention aims to overcome the defects of the traditional technology and provides the track switching mechanism for the detection of the incubation disc, which has the advantages of simple structure and low cost and can effectively reduce the risk of cup clamping.

The aim of the invention is achieved by the following technical measures: the utility model provides an incubate dish and detect and use track switching mechanism, is including incubating the dish, the top fixedly connected with lens hood of incubating the dish, it is equipped with outer lane track, inner circle track and well circle track, its characterized in that on incubating the dish: the orbital both ends of well circle all communicate with outer lane track, it still fixedly is equipped with the guide block to hatch on the dish, the one end of guide block is located the outer lane track, and is connected with its other end of drive swing and makes the other end be located outer lane track or well orbital first motor of circle.

Preferably, the guide block is provided with a guide groove, the guide groove is arranged downward, and two ends of the guide groove are open.

As a preferred scheme, the output end of the first motor is fixedly connected with one end of the guide block, which is positioned on the outer ring track, the first motor is fixed on the light shield through the mounting seat, the mounting seat is also fixedly connected with a first photoelectric switch, and the first motor is connected with an induction sheet which is matched with the first photoelectric switch for use.

As a preferred scheme, still be equipped with the switching track that communicates outer lane track and inner circle track on incubating the dish, be equipped with on the switching track and dial the cup dog, it can slide along vertical direction to dial the cup dog, the inner circle track is equipped with the push pedal with the opposite side that switches the track department that corresponds, push pedal fixedly connected with drives its second motor that is close to or keeps away from and dials the cup dog.

As a preferable scheme, the lower end of the cup poking stop block is obliquely arranged close to one side of the inner ring track.

As a preferred scheme, one end of the poking cup stop block is positioned below the light shield, the other end of the poking cup stop block is positioned above the light shield, protruding parts are arranged on two sides of the part, positioned above the light shield, of the poking cup stop block, and pressing shafts fixed on the light shield are connected to the protruding parts.

As a preferred scheme, one end of the pressing shaft is provided with a limiting table, the other end of the pressing shaft penetrates through the cup shifting stop block and is fixedly connected with the light shield, and a spring is sleeved on the part, located between the limiting table and the cup shifting stop block, of the pressing shaft.

As a preferred scheme, the push pedal fixedly connected with cup switch, the lens hood fixedly connected with shell, the second motor is fixed in the shell outside, the output of second motor is connected with the lead screw, the lead screw is located inside the shell, the lead screw cooperation is provided with the nut, the nut is fixed on the cup switch.

As a preferable scheme, the cup switcher is connected with a guide shaft through a linear bearing, and the guide shaft is arranged in parallel with the screw rod.

As a preferred scheme, a second photoelectric switch is fixedly connected to the outside of the housing, a photoelectric blocking piece is arranged on the second photoelectric switch in a matching manner, one end of the photoelectric blocking piece penetrates through the housing to be fixed on the cup switcher and slides along with the cup switcher, and a notch enabling the photoelectric blocking piece to slide is formed in the housing.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the advantages that: the invention provides a track switching mechanism for detecting an incubation disc, which is characterized in that a first motor and a guide block are arranged when an outer ring track and a middle ring track are switched, and the continuity switching of reaction cups can be realized only by stopping an outlet of the guide block at the outer ring track or the middle ring track, so that the action is simplified, the stability and the detection efficiency of equipment are improved, the number of parts is reduced, and the production cost is saved; when switching from the inside circle track to the outside circle track, through setting up the cup switch and dialling the cup dog, when making the push pedal promote the reaction cup motion, dial the cup dog and can press from both sides the forward motion of reaction cup together, prevent that the reaction cup incline from empting, cause the chuck, dial the cup after finishing, dial the cup dog and can reset, can effectively reduce the chuck risk of reaction cup when switching.

The invention is further described with reference to the following figures and detailed description.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a track switching mechanism for detecting an incubation plate according to the present invention.

FIG. 2 is a schematic view of the structure of an incubation plate of the track switching mechanism for detection of the incubation plate of the present invention.

FIG. 3 is a schematic view of a guide block structure of a track switching mechanism for detecting an incubation plate according to the present invention.

FIG. 4 is a schematic side view of a guide block of a track switching mechanism for detecting an incubation plate according to the present invention.

FIG. 5 is a schematic view of a guide groove structure of a track switching mechanism for detecting an incubation plate according to the present invention.

FIG. 6 is a schematic view of a connection structure of a cup-shifting block of the track switching mechanism for detecting the incubation plate according to the present invention.

FIG. 7 is a schematic structural diagram of a housing of a track switching mechanism for detecting an incubation plate according to the present invention.

FIG. 8 is a schematic diagram of a second motor connection structure of the track switching mechanism for detecting the incubation plate according to the present invention.

FIG. 9 is a schematic structural view of a cup-poking stop block and a pressing shaft of the track switching mechanism for detecting the incubation plate.

FIG. 10 is a schematic structural diagram of a cup-poking stop block of the track switching mechanism for detecting the incubation plate according to the present invention.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example (b): as shown in the attached figures 1-5, an incubation plate 1 detection track switching mechanism comprises an incubation plate 1, a light shield 2 is fixedly connected above the incubation disc 1, a rotatable cup placing frame 3 is also arranged between the light shield 2 and the incubation disc 1, a plurality of cup placing grooves are arranged on the cup placing frame 3 along the radial direction, a track is arranged on one side of the incubation disc 1 close to the light shield 2, one end of the reaction cup is positioned in the track, the other end is clamped on the cup placing groove, which is movable along a rail in accordance with the rotation of the cup holder 3, in the present embodiment, as shown in fig. 2, the rail includes an outer ring rail 4, an inner ring rail 5 and an inner ring rail 6, both ends of the middle ring track 6 are communicated with the outer ring track 4, the incubation disc 1 is also fixedly provided with a guide block 7, one end of the guide block 7 is positioned on the outer ring track 4, and a first motor 9 is connected to drive the other end thereof to swing and position the other end at the outer race track 4 or the inner race track 6.

As shown in fig. 5, the guide block 7 is provided with a guide groove 8, the guide groove 8 is disposed downward, and both ends of the guide groove 8 are open. When the reaction cup moves under the driving of the cup holding frame 3, the reaction cup enters the guide groove 8 from one end of the guide groove 8 and moves along the guide groove 8 until the reaction cup leaves from the other end of the guide groove 8, so that the switching from the outer ring track 4 to the middle ring track 6 or from the outer ring track 4 to the outer ring track 4 can be carried out according to the track of the guide groove 8.

As shown in fig. 3 and 4, an output end of the first motor 9 is fixedly connected with one end of the guide block 7, which is located on the outer ring track 4, the first motor 9 is fixed on the light shield 2 through a mounting seat 10, the mounting seat 10 is fixedly connected with the light shield through a bolt, a first photoelectric switch 11 is further fixedly connected to the mounting seat 10, and the first motor 9 is connected with an induction sheet 12 which is used in cooperation with the first photoelectric switch 11. In this embodiment, the first motor 9 is a dual output shaft stepping motor, the initial state of the first motor is in the outer ring track, when the reaction cup enters the inner guide groove 8 of the guide block 7, the dual output shaft stepping motor on the guide block 7 rotates, the swing angle and position of the guide block 7 are adjusted by the sensing piece 12 and the first photoelectric switch, the reaction cup is driven to swing to the middle ring track or the outer ring track as required, the reaction cup holder 3 rotates to enable the reaction cup to enter the required track along the guide block 7, and after the reaction cup enters the predetermined track, the stepping motor waits for the next instruction and repeats the action.

When the reaction cup needs to be switched back to the outer ring track 4, the reaction cup is driven by the cup holding frame 3 to be combined with the incubation disc 1 and the track of the cup holding frame 3, the design that the reaction cup is switched back to the outer ring track from the middle ring track is carried out, the structure that one grid is switched is saved, the risk of the chuck is reduced, the cost is saved, and meanwhile, the program of a lower computer is also reduced.

As shown in fig. 2, the incubation disc 1 is further provided with a switching track 13 communicating the outer ring track 4 and the inner ring track 5, in this embodiment, the switching track 13 is disposed at an end opposite to the middle ring track 6 for switching the reaction cup from the inner ring to the outer ring, as shown in fig. 6-8, the switching track 13 is provided with a cup shifting stopper 14, the cup shifting stopper 14 is disposed right above the switching track 13 and separates the outer ring track 4 from the inner ring track 5, the cup shifting stopper 14 can slide along the vertical direction, the other side of the inner ring track 5 corresponding to the switching track 13 is provided with a push plate 15, the push plate 15 is fixedly connected with a second motor 16 driving the push plate to be close to or far from the cup shifting stopper 14, when the reaction cup needs to be switched from the inner ring track to the outer ring track, the reaction cup moves to the switching track 13 and stops, the second motor 16 drives the push plate 15 to move, the push plate 15 pushes the reaction cup located in the inner ring track 5 to, the cup shifting stop block 14 moves upwards, the push plate 15 continues to push the reaction cup until the reaction cup enters the outer ring track 4, the second motor 16 drives the push plate 15 to return, and the cup shifting stop block 14 falls down.

As shown in fig. 9 and 10, the lower end of the cup-setting stopper 14 is disposed obliquely to a side close to the inner race track 5. The one side of setting is the inclined plane, can be when push pedal 15 pushes away the reaction cup, converts horizontal motion into vertical motion to provide certain pressure to the reaction cup, make the reaction cup can be steady through switching track 13. The other side of the cup poking stop block 14 is a cambered surface.

As shown in fig. 9 and 10, one end of the cup-pulling block 14 is located below the light shield 2, the other end of the cup-pulling block is located above the light shield 2, two sides of the portion of the cup-pulling block 14 located above the light shield 2 are both provided with a protrusion 17, and the protrusion 17 is connected with a pressing shaft 18 fixed on the light shield 2. One end of the pressure shaft 18 is provided with a limit platform 19, the other end of the pressure shaft passes through the cup shifting block and is fixedly connected with the light shield 2, and a spring 20 is sleeved on the part of the pressure shaft 18, which is positioned between the limit platform 19 and the cup shifting block. In this embodiment, there are two pressing shafts 18 and two springs 20.

As shown in fig. 6-8, the push plate 15 is fixedly connected with a cup switch 21, the light shield 2 is fixedly connected with a housing 22, the second motor 16 is fixed outside the housing 22, so that the volume of the housing 22 can be effectively reduced, the output end of the second motor 16 is connected with a screw 23, the screw 23 is located inside the housing 22, the screw 23 is provided with a nut 24 in a matching manner, and the nut 24 is fixed on the cup switch 21. The cup switcher 21 is connected with a guide shaft 25 through a linear bearing, and the guide shaft 25 is arranged in parallel with the screw rod 23. The outer part of the shell 22 is fixedly connected with a second photoelectric switch 26, the second photoelectric switch 26 is provided with a photoelectric blocking sheet 27 in a matching way, one end of the photoelectric blocking sheet 27 penetrates through the shell 22 to be fixed on the cup switcher 21 and slides along with the cup switcher 21, and the shell 22 is provided with a notch 28 enabling the photoelectric blocking sheet 27 to slide.

In this embodiment, the first motor 9 is a double-output-shaft stepping motor, the guide block 7 and the track switching sensor induction sheet 12 are respectively installed on two end shafts of the first motor 9, the first photoelectric switch 11 is installed on the bracket, the bracket is installed on the fixed seat, and the fixed seat is installed on the light shield 2. The second motor 16 is a 28-step motor, the 28-step motor is mounted on a motor mounting plate 29, the motor mounting plate 29 is mounted on the shell 22, the cup switcher 21 is respectively provided with a photoelectric blocking piece 27, a linear bearing 30, a pressing shaft 18, a screw rod 23 and a nut 24, then the cup switcher 21 penetrates through the guide shaft 25, two ends of the guide shaft 25 are mounted on the shell 22 and fixed, the front shaft end of the second motor 16 is fixed on a bearing, and a bearing pressing cover is pressed. Two press shafts 18 are mounted to the light shield 2 through springs 20, through the cup stop 14. Dial the cup in-process, dial cup dog 14 and cup switch 21 and press from both sides the reaction cup forward motion together, prevent that the reaction cup skew from empting, cause the chuck, dial after the cup, cup switch 21 is reverse to reset, dial cup dog 14 and can reset under gravity and spring 20's effect downstream.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an incubate dish and detect and use track switching mechanism, is including incubating the dish, the top fixedly connected with lens hood of incubating the dish, it is equipped with outer lane track, inner circle track and well circle track, its characterized in that on incubating the dish: the orbital both ends of well circle all communicate with outer lane track, it still fixedly is equipped with the guide block to hatch on the dish, the one end of guide block is located the outer lane track, and is connected with its other end of drive swing and makes the other end be located outer lane track or well orbital first motor of circle.

2. The incubation plate detection track switching mechanism of claim 1, wherein: the guide block is provided with a guide groove, the guide groove is arranged downwards, and two ends of the guide groove are opened.

3. The incubation plate detection track switching mechanism of claim 1, wherein: the output end of the first motor and one end of the guide block, which are positioned on the outer ring track, are fixedly connected, the first motor is fixed on the light shield through the mounting seat, the first photoelectric switch is fixedly connected to the mounting seat, and the first motor is connected with an induction sheet which is matched with the first photoelectric switch for use.

4. An incubation tray detection track switching mechanism according to any one of claims 1 to 3, wherein: the incubation disc is further provided with a switching track communicated with the outer ring track and the inner ring track, a cup shifting stop block is arranged on the switching track and can slide along the vertical direction, a push plate is arranged on the other side of the corresponding position of the inner ring track and the switching track, and the push plate is fixedly connected with a second motor for driving the push plate to be close to or far away from the cup shifting stop block.

5. The incubation plate detection track switching mechanism of claim 4, wherein: the lower end of the cup poking stop block is obliquely arranged close to one side of the inner ring track.

6. The incubation plate detection track switching mechanism of claim 5, wherein: one end of the poking cup stop block is located below the light shield, the other end of the poking cup stop block is located above the light shield, protruding portions are arranged on two sides of the portion, located above the light shield, of the poking cup stop block, and pressing shafts fixed on the light shield are connected to the protruding portions.

7. The incubation plate detection track switching mechanism of claim 6, wherein: one end of the pressing shaft is provided with a limiting table, the other end of the pressing shaft penetrates through the cup poking stop block and is fixedly connected with the light shield, and a spring is sleeved on the part, located between the limiting table and the cup poking stop block, of the pressing shaft.

8. The incubation plate detection track switching mechanism of claim 7, wherein: the improved cup switch is characterized in that the push plate is fixedly connected with the cup switch, the light shield is fixedly connected with the shell, the second motor is fixed on the outer side of the shell, the output end of the second motor is connected with a screw rod, the screw rod is located inside the shell, and a nut is arranged on the screw rod in a matched mode and fixed on the cup switch.

9. The incubation plate detection track switching mechanism of claim 8, wherein: the cup switcher is connected with a guide shaft through a linear bearing, and the guide shaft and the screw rod are arranged in parallel.

10. The incubation plate detection track switching mechanism of claim 9, wherein: the cup switch is characterized in that a second photoelectric switch is fixedly connected to the outer portion of the shell, a photoelectric blocking piece is arranged on the second photoelectric switch in a matched mode, one end of the photoelectric blocking piece penetrates through the shell to be fixed on the cup switch and slides along with the cup switch, and a notch enabling the photoelectric blocking piece to slide is formed in the shell.