CN211206538U - Buffer gear and have its sample analysis appearance - Google Patents

Abstract

The utility model provides a buffer gear and have its sample analyzer. The buffer mechanism includes a discard channel having an inlet section and an outlet section; a baffle assembly, the outlet section being disposed adjacent to the baffle assembly, the baffle assembly having a blocking position that blocks the outlet section, and the baffle assembly having an avoidance position that avoids the outlet section; the disposal passage and the baffle assembly enclose a buffer space for accommodating the discard when the baffle assembly is in the blocking position. When the baffle plate assembly is controlled to be located at the blocking position, the discarded objects can be temporarily cached in the caching space, and therefore the operation personnel can carry out discarded object removing operation on the garbage can located below the discarding channel. Due to the arrangement of the buffer space, when the operator removes the discarded objects in the garbage can, the whole instrument does not need to be stopped, and the operation process at the upstream of the discarding channel can be normally carried out. The failure rate of the instrument is reduced, and the accuracy of the detection result of the instrument is improved.

Description

Buffer gear and have its sample analysis appearance

Technical Field

The utility model relates to a sample analyzer equipment technical field particularly, relates to a buffer gear and have its sample analyzer.

Background

At present, most sample analyzers in the market can process the wastes (such as disposable suckers, reaction cups and the like) only when being stopped or in a standby state, which means that if the wastes are found to exceed a warning value in the experimental process, the sample analyzers need to be stopped for processing, which undoubtedly reduces the test quantity of the sample analyzers in unit time, increases the risk of instrument faults, brings inconvenience to the operation of users, and introduces unknown variables for subsequent samples to be processed, thereby easily causing inaccurate test results.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a buffer gear and have its sample analysis appearance to solve the problem that the analysis appearance equipment fault rate is high among the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a buffer mechanism including: a discard channel having an inlet section and an outlet section; a baffle assembly, the outlet section being disposed adjacent to the baffle assembly, the baffle assembly having a blocking position that blocks the outlet section, and the baffle assembly having an avoidance position that avoids the outlet section; when the baffle assembly is located at the blocking position, the discarding passage and the baffle assembly are enclosed to form a buffer space for accommodating the discarded objects.

Further, the axis of the discarding channel is arranged at an included angle with the vertical direction, the inlet section comprises an upper side wall, a lower side wall and a side wall for connecting the upper side wall and the lower side wall, the upper side wall and the lower side wall are oppositely arranged, and the lower side wall is of a cambered surface structure protruding towards the outer side of the discarding channel.

Furthermore, a reaction cup discarding inlet is arranged on the side wall of the discarding channel.

Further, the reaction cup discarding inlet is provided in plurality, and the plurality of reaction cup discarding inlets are arranged at intervals along the length direction of the discarding channel.

Further, the discarded object is a disposable suction head, the inlet section is used for discarding the disposable suction head, the cross section of the outlet section is rectangular, the side length of the long side of the rectangle is larger than the length of the disposable suction head, or the cross section of the outlet section is circular or oval.

Further, the baffle assembly includes: the cover plate is connected with the mounting base and is provided with a through hole for the outlet section to pass through; the baffle is movably connected with the cover plate and is positioned below the outlet section; the driving part is installed on the cover plate, the output end of the driving part is connected with the baffle, and the driving part can drive the baffle to be located at a blocking position and an avoiding position.

Further, the baffle plate assembly further comprises: the guide post is connected with the surface of the cover plate, facing one side of the baffle, and the driving part can drive the baffle to slide to a blocking position and an avoiding position along the length direction of the guide post.

Furthermore, the number of the guide columns is two, and the two guide columns are arranged in parallel.

Further, the baffle includes: the baffle body, the baffle body be provided with two connecting pieces on the surface towards guide post one side, two connecting pieces set up with two guide posts one-to-one, the baffle body is connected with two guide posts through two connecting pieces.

Furthermore, one of the two connecting pieces is a guide post mounting hole, and the other connecting piece is a guide post clamping groove.

Further, the guide post mounting hole is a plurality of, and a plurality of guide post mounting holes set up along the long limit direction interval of baffle body, and/or, the guide post draw-in groove is a plurality of, and a plurality of guide post draw-in grooves set up along the long limit direction interval of baffle body.

Further, the driving part includes: the motor is connected with the cover plate; the hold-in range, the one end of hold-in range is connected with the output of motor, and the other end of hold-in range is connected with the apron, is provided with the hold-in range clamp splice with hold-in range looks joint on the baffle.

Further, the buffer mechanism further comprises: the optical coupler is connected with the cover plate; the baffle plate is connected with the baffle plate, and when the driving part drives the baffle plate to be positioned at the avoiding position, the optical coupler sends an electric signal which is used for sensing the existence of the baffle plate; and the controller is electrically connected with the driving part and controls the driving part to stop driving according to the electric signal.

Further, the baffle plate and the outlet section have a preset distance in the vertical direction, and the preset distance is smaller than the diameter of the large-diameter end of the disposable suction head.

Further, the buffer mechanism further comprises: the detector is electrically connected with the controller, when the baffle is located at the blocking position, the detector is used for detecting the amount of the abandoned object in the abandoned channel, when the detector detects that the amount of the abandoned object reaches a preset value, the detector sends an electric signal for opening the baffle, and the controller can start the driving part according to the electric signal for opening the baffle so that the driving part drives the baffle to move to the avoiding position.

According to another aspect of the utility model, a sample analyzer is provided, including buffer gear, buffer gear is foretell buffer gear.

Use the technical scheme of the utility model, when being located the position of blockking through the control baffle subassembly, can let the temporary buffer memory of abandonment in the buffer memory space for the operation personnel can be to being located the dustbin of abandoning the passageway below and abandoning the abandonment and clear away the operation. Due to the arrangement of the buffer space, when the operator removes the discarded objects in the garbage can, the whole instrument does not need to be stopped, and the operation process at the upstream of the discarding channel can be normally carried out. The failure rate of the instrument is reduced, and the accuracy of the detection result of the instrument is improved.

Drawings

The accompanying drawings, which form a part of the present application, 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 invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of a damping mechanism according to the present invention;

fig. 2 shows a schematic structural view of an embodiment of a disposal shaft according to the present invention;

figure 3 shows a schematic structural view of an embodiment of a baffle assembly according to the present invention;

fig. 4 shows a schematic structural view of an embodiment of a baffle according to the present invention.

Wherein the figures include the following reference numerals:

10. discarding the channel; 11. an inlet section; 111. an upper sidewall; 112. a lower sidewall; 113. a side wall;

12. an outlet section; 13. the inlet of the reaction cup is discarded; 14. a port fixing plate; 15. a sidewall connecting plate;

20. a baffle assembly; 21. a cover plate;

22. a baffle plate; 221. a baffle body; 222. a guide post mounting hole; 223. a guide post clamping groove;

23. a drive section; 231. a motor; 232. a synchronous belt; 233. a synchronous pulley;

24. a guide post;

30. an optical coupler;

40. a baffle plate;

50. a limiting member;

60. a sensor;

70. a guide post support;

80. the opto-coupler mounting panel.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1 to 4, according to an embodiment of the present invention, a buffer mechanism is provided.

Specifically, as shown in fig. 1 and 2, the buffer mechanism includes a discard passage 10 and a shutter assembly 20. The disposal channel 10 has an entrance section 11 and an exit section 12. The outlet section 12 is disposed adjacent to a baffle assembly 20, the baffle assembly 20 having a blocking position blocking the outlet section 12, and the baffle assembly 20 having an escape position avoiding the outlet section 12. Wherein the disposal shaft 10 encloses with the barrier assembly 20 a buffer space for accommodating the discard when the barrier assembly 20 is in the blocking position.

In this embodiment, when the baffle assembly is controlled to be located at the blocking position, the discarded object can be temporarily buffered in the buffer space, so that the operator can perform discarded object removing operation on the garbage can located below the discarding channel. Because the buffer space is arranged, when the operating personnel clear the discarded objects in the dustbin, the whole instrument does not need to be stopped, so that the whole instrument can normally work and continuously perform experiments without being influenced. The failure rate of the instrument is reduced, and the accuracy of the detection result of the instrument is improved.

Wherein the axis of the disposal shaft 10 is arranged at an angle to the vertical, the inducer 11 comprises an upper side wall 111, a lower side wall 112, and two side walls 113 connecting the upper side wall 111 and the lower side wall 112. The upper sidewall 111 is disposed opposite to the lower sidewall 112, and the lower sidewall 112 is a cambered surface structure (as shown at a in fig. 1) protruding towards the outside. Wherein the axis is the longitudinal axis of the disposal shaft 10. Because abandon passageway 10 and adopt the mode of setting up of slope, set lower lateral wall 112 to the arc structure and can reduce the speed loss of the discarded object of striking on lower lateral wall 112 effectively, abandon the pipeline design and become square structure for the point that the discarded object strikes on this lower lateral wall 112 is not unique, has guaranteed that the position that the discarded object goes out from export section 12 is random, avoided then that the discarded object collects the discarded object that to the dustbin in through this discarded object and can not take place to fold the phenomenon of inserting, the practicality and the reliability of should abandoning the passageway have been improved effectively.

As shown in FIG. 2, the side wall of the disposal shaft 10 is further provided with a disposal inlet 13 of the cuvette. The arrangement enables the collection of various discarded objects by adopting one discarding channel, thereby achieving the purpose of multiple purposes by one object and reducing the installation space for installing the discarding channel.

Preferably, the cuvette discard inlet 13 is plural, and the plural cuvette discard inlets 13 are provided at intervals along the length direction of the discard passage 10. The arrangement enables the reaction cup to be timely and conveniently discarded into the discarding channel for garbage collection in the detection process of the instrument, and effectively improves the efficiency of detection operation. Wherein an embodiment with 3 cuvette discard inlets 13 is shown in both figures 1 and 2.

In this embodiment, the waste is a disposable tip, the inlet section 11 is used for discarding the disposable tip, and the outlet section 12 has a rectangular cross-section, the long side of the rectangle being longer than the length of the disposable tip. This arrangement prevents the disposable tip from becoming stuck in the outlet of the outlet section 12, further improving the utility of the disposal path.

The baffle assembly 20 includes a cover plate 21, a baffle 22, and a driving part 23. The cover plate 21 is connected with the installation base. The cover plate 21 is provided with a through hole for the outlet section 12 to pass through. A flap 22 is movably connected to the cover plate 21 and is located below the outlet section 12. The driving part 23 is installed on the cover plate 21, the output end of the driving part 23 is connected with the baffle 22, and the driving part 23 can drive the baffle 22 to be located at the blocking position and the avoiding position. Wherein the mounting base may be a rack of the sample analyzer. This arrangement can improve the utility of the baffle assembly.

To provide good stability of the flapper during sliding movement, the flapper assembly 20 is also provided with guide posts 24. The guide posts 24 are connected to the surface of the cover plate 21 on the side facing the shutter 22. The driving portion 23 can drive the baffle 22 to slide along the length direction of the guide post 24 to the blocking position and the avoiding position.

Preferably, as shown in fig. 3, there are two guide posts 24, and the two guide posts 24 are arranged in parallel. This arrangement can further improve the stability of the shutter during sliding.

As shown in fig. 4, the baffle 22 includes a baffle body 221. Two connecting pieces are arranged on the surface of the baffle body 221 facing one side of the guide posts 24, the two connecting pieces are arranged in one-to-one correspondence with the two guide posts 24, and the baffle body 221 is connected with the two guide posts 24 through the two connecting pieces. This arrangement can improve the reliability of the connection between the shutter 22 and the guide post 24.

One of the two connecting pieces is a guide post mounting hole 222, the other connecting piece is a guide post clamping groove 223, and a plane where an opening of the guide post clamping groove 223 is located is parallel to a vertical plane. Set up like this and make in a guide post 24 wears to locate guide post mounting hole 222, another guide post 24 can be followed the horizontal direction card and established in guide post draw-in groove 223, because the plane that the opening of guide post draw-in groove 223 is located is parallel with vertical face, so can reduce the installation degree of difficulty of baffle 22 effectively for baffle 22 can not be by the dead phenomenon of card. Since the two guide post mounting holes 222 are formed in one side of the baffle 22, as long as the requirement of coaxiality of the two guide post mounting holes 222 is ensured, and since the guide post clamping groove 223 in the other side is open, the movement of the guide post clamping groove 223 on the guide post is allowed to have an adjustable space relative to one side of the guide post mounting hole 222, so that the guide post clamping groove 223 cannot be clamped. Wherein, the connecting piece can also be a slot structure with an opening surface parallel to the horizontal plane.

In order to improve the mounting stability of the baffle 22, the guide post mounting hole 222 may be plural. The plurality of guide post mounting holes 222 are provided at intervals in the longitudinal direction of the barrier main body 221, the plurality of guide post catching grooves 223 are provided at intervals in the longitudinal direction of the barrier main body 221, and the plurality of guide post catching grooves 223 are provided at intervals in the longitudinal direction of the barrier main body 221. As shown in fig. 4, two guide post mounting holes 222 are shown, two guide post mounting holes 222 are formed on two bosses (shown as D in fig. 4), and the two guide post mounting holes 222 are coaxially arranged. The number of the guide post clamping grooves 223 is two, the two guide post clamping grooves 223 are formed on one side parallel to the axis of the guide post mounting hole 222, and a concave cavity structure is formed between the two guide post clamping grooves 223, so that the weight of the baffle 22 can be reduced.

As shown in fig. 3, the driving section 23 includes a motor 231 and a timing belt 232. The motor 231 is connected to the cover plate 21. The one end of hold-in range 232 is connected with the output of motor 231, and the other end of hold-in range 232 is connected with apron 21, is provided with the hold-in range clamp splice with hold-in range 232 looks joint on the baffle 22. This arrangement makes the structure of the driving portion 23 simple and reliable. As shown at B in fig. 4, a timing belt clamping block mounting boss is provided on the baffle 22.

Further, as shown in fig. 3, the buffer mechanism further includes an optical coupler 30, a shutter 40, and a controller. The optical coupler 30 is connected to the cover plate 21. The blocking plate 40 is connected to the blocking plate 22, and when the driving portion 23 drives the blocking plate 22 to be located at the avoiding position, the optical coupler 30 sends out an electric signal which senses the existence of the blocking plate 22. The controller is electrically connected to the driving unit 23, and the controller controls the driving unit 23 to stop driving according to the electric signal. This arrangement can avoid the problem that the driving portion 23 always drives the shutter 40 when it is already in the retracted position, and the shutter 22 is damaged or fails.

In order to further improve the effective control of the moving position of the baffle 22, the buffering mechanism is further provided with a limiting member 50. The limiting member 50 is connected to the lower surface of the cover plate 21, and when the baffle 22 is located at the blocking position, the baffle 22 and the limiting member 50 are disposed at a distance, or the baffle 22 and the limiting member 50 are connected to each other. This arrangement can prevent the drive portion 23 from running away when the shutter 22 is already in the blocking position, resulting in damage to other structures.

Wherein the baffle 22 is located at a predetermined distance from the outlet section 12, the predetermined distance being less than the diameter of the large diameter end of the disposable tip. This arrangement avoids the problem of the disposable tip jamming the guard 22. This arrangement can further improve the reliability of the damper mechanism.

The buffer mechanism further comprises a detector. The detector is electrically connected with the controller, when the baffle 22 is located at the blocking position, the detector is used for detecting the amount of the discarded objects in the discarded channel 10, when the detector detects that the amount of the discarded objects reaches a preset value, the detector sends an electric signal for opening the baffle, the controller can start the driving part 23 according to the electric signal for opening the baffle, so that the driving part 23 drives the baffle 22 to move to the avoiding position, the discarded objects fall into the garbage bin corresponding to the discarded objects, and the collection work of the discarded objects is completed. The buffer mechanism can be automated by the aid of the arrangement, and user experience is improved.

The buffer gear in the above-mentioned embodiment can also be used to sample analysis appearance equipment technical field, promptly according to the utility model discloses a further aspect provides a sample analysis appearance. The sample analyzer includes a buffer mechanism, which is the buffer mechanism in the above embodiments.

Specifically, this application provides a special passageway of abandoning of structure, and the inducer 11 of abandoning the passageway has set up one section arc structure, guarantees that disposable suction head smoothly slides in the passageway, and the export section 12 of abandoning passageway 10 has adopted square design, and the length of side on long rectangular limit is greater than the length of disposable suction head, guarantees that disposable suction head can not block in abandoning passageway 10, and whole abandoning passageway 10 has formed a buffer memory space with the baffle subassembly. In addition, the motor-controlled shutter 22 closes and opens the outlet of the discard passage in due time according to the controller, enabling the user to flexibly dispose of the discarded disposable tips and also ensuring continuous experiments of the instrument.

Abandon the passageway and adopt special structural design, specifically do: the cross section of the discarding channel is square, and the bottom of the discarding inlet of the disposable suction head is designed into an arc structure, so that the speed loss of the disposable suction head hitting the discarding channel can be reduced, the disposable suction head can accurately reach a garbage can after leaving the discarding channel 10, and the capacity of a preset container is ensured to be utilized to the maximum extent. The outlet of the discarding channel 10 is designed to be square, and the length of the outlet section is larger than that of the disposable suction head, so that the disposable suction head is prevented from being clamped at the outlet of the discarding channel 10. Three round tube inlets are provided above the disposal channel 10 for disposing of disposable reaction cups. The design of whole pipeline has integrateed a plurality of abandonment entrances of abandoning the thing to set up a square export, can make things convenient for the user to continue the experiment at the in-process of handling the abandonment thing, saved the structure space who abandons each abandonment thing simultaneously.

In another embodiment of the present application, the baffle plate assembly mainly comprises a cover plate 21, a motor 231, a synchronous pulley 233, a pulley mounting plate, a synchronous belt 232, a synchronous belt clamping block, a guide post 24, a guide post support 70, a baffle plate 22, an optical coupler mounting plate 80, an optical coupler 30, a baffle plate 40 and a sensor 60. The motor 231 is mounted on the cover plate 21 by means of screws, and further, the timing pulley 233 is mounted on the cover plate 21 by means of a pulley mounting plate, and the timing pulley 233 is connected to the motor 231 by means of the timing belt 232. Four guide post supports 70 are provided on the cover plate 21, and two guide posts 24 are respectively mounted on the guide post supports 70. An optical coupler mounting plate 80 is arranged on the cover plate 21, and the optical coupler 30 is mounted on the optical coupler mounting plate 80. Two coaxial guide post mounting holes 222 are formed in one side of the baffle plate 22, and bearings are respectively mounted in the two coaxial guide post mounting holes 222 for improving the smoothness of the baffle plate 22 in the movement process. Set up square guide post draw-in groove 223 at baffle 22 opposite side, prevent that baffle 22 from blocking at the in-process of motion, baffle 22 passes through guide post mounting hole 222 and guide post draw-in groove 223 and installs on guide post 24, has designed a boss in the one end of baffle 22 for the installation hold-in range clamp splice, links to each other baffle 22 with hold-in range 232 through the hold-in range clamp splice, simultaneously at baffle 40 of one side installation of baffle 22 (as shown in C department in fig. 4). A sensor 60 for detecting whether the content of the trash in the trash exceeds a defined capacity is provided at one end of the cover plate 21.

From the relative installation position of the discarding channel 10 and the baffle plate assembly 20, the discarding channel 10 needs to pass through the through hole formed on the cover plate 21, the outlet position of the discarding channel 10 needs to be higher than the baffle plate 22 by a certain distance, which needs to be smaller than the diameter of the large-diameter end of the disposable tip, so as to prevent the disposable tip from falling out of the discarding channel 10 after the discarding channel 10 is closed, and the arrangement can also avoid the disposable tip from being stuck at the outlet of the outlet section 12. Meanwhile, the length and width of the baffle 22 need to be larger than the square outlet of the discarding channel 10, so that the buffer space formed by the discarding channel 10 and the baffle 22 can stably buffer the discarded objects, and the discarded objects are prevented from falling out.

The working principle of the baffle plate assembly is as follows: when a sample analyzer (hereinafter referred to as an instrument) is started up and initialized, the motor 231 drives the baffle 22 to move through the synchronous belt 232, at this time, the baffle 22 moves towards the direction of opening the outlet of the discarding channel, that is, the baffle 22 moves from the blocking position to the avoiding position, and when the optical coupler 30 senses the existence of the blocking piece 40, the initialization of the motor 231 is completed. When the sensor 60 detects that the discarded object exceeds the limited capacity during the operation of the apparatus, the motor 231 moves towards the direction for closing the outlet of the discarding passageway, that is, the baffle 22 moves from the position avoiding position to the blocking position, and after the preset position is reached, the motor 231 stops moving, at this moment, the baffle 22 closes the outlet of the discarding passageway, and meanwhile, in order to prevent the motor 231 from running away, a limiting member 50, such as a limiting screw, is arranged at the end of the moving direction of the baffle 22. After the channel outlet is closed, the instrument can work normally, and the discarded disposable tip enters from the inlet of the discarding channel and is buffered in the discarding channel until the detector detects that the number of discarded objects in the discarding channel exceeds a limit value or the discarded objects discarded before the user has finished processing, and the motor 231 opens the outlet of the discarding channel 10. In order to improve the mounting stability of the disposal path 10, a port fixing plate 14 may be provided at an end of the disposal path 10, and a side wall connecting plate 15 may be provided at a side wall of the disposal path 10.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (16)

1. A cushioning mechanism, comprising:

a discard channel (10), the discard channel (10) having an inlet section (11) and an outlet section (12);

a baffle assembly (20), said outlet section (12) being disposed adjacent said baffle assembly (20), said baffle assembly (20) having a blocking position blocking said outlet section (12), and said baffle assembly (20) having an escape position clear of said outlet section (12);

wherein the disposal channel (10) encloses with the baffle assembly (20) a buffer space for accommodating a discard when the baffle assembly (20) is in the blocking position.

2. Cushioning mechanism according to claim 1, characterized in that the axis of the discard channel (10) is arranged at an angle to the vertical, the inducer (11) comprising an upper side wall (111), a lower side wall (112), and a side wall (113) for connecting the upper side wall (111) and the lower side wall (112), the upper side wall (111) being arranged opposite the lower side wall (112), the lower side wall (112) being a cambered surface structure that protrudes towards the outside of the discard channel (10).

3. Buffer means according to claim 1, characterized in that a reaction cup disposal inlet (13) is also provided in the side wall of the disposal channel (10).

4. A buffer mechanism according to claim 3, wherein the cuvette discard inlet (13) is plural, and the plural cuvette discard inlets (13) are provided at intervals along the length direction of the discard passage (10).

5. The buffer mechanism according to claim 1, wherein the waste is a disposable tip, the inlet section (11) is for discarding disposable tips, the cross-section of the outlet section (12) is rectangular, the length of the long side of the rectangle is larger than the length of the disposable tip, or the cross-section of the outlet section (12) is circular or elliptical.

6. The cushioning mechanism of claim 1, wherein the baffle assembly (20) comprises:

the cover plate (21), the cover plate (21) is connected with the installation foundation, and the cover plate (21) is provided with a through hole for the outlet section (12) to pass through;

a baffle (22), wherein the baffle (22) is movably connected with the cover plate (21) and is positioned below the outlet section (12);

the driving part (23) is installed on the cover plate (21), the output end of the driving part (23) is connected with the baffle (22), and the driving part (23) can drive the baffle (22) to be located at the blocking position and the avoiding position.

7. The cushioning mechanism of claim 6, wherein the baffle assembly (20) further comprises:

the guide post (24) is connected with the surface of the cover plate (21) facing one side of the baffle plate (22), and the driving part (23) can drive the baffle plate (22) to slide to the blocking position and the avoiding position along the length direction of the guide post (24).

8. The damping mechanism according to claim 7, characterized in that the number of guide posts (24) is two, and the two guide posts (24) are arranged in parallel.

9. The cushioning mechanism of claim 8, wherein the baffle (22) comprises:

the baffle plate comprises a baffle plate body (221), wherein two connecting pieces are arranged on the surface of one side, facing the guide columns (24), of the baffle plate body (221), the two connecting pieces are arranged corresponding to the two guide columns (24) one to one, and the baffle plate body (221) is connected with the two guide columns (24) through the two connecting pieces.

10. The cushioning mechanism of claim 9, wherein one of said two connectors is a post receiving hole (222) and the other connector is a post engaging groove (223).

11. The damper mechanism according to claim 10, wherein the guide post mounting holes (222) are plural, and the plural guide post mounting holes (222) are provided at intervals in a longitudinal direction of the flapper main body (221), and/or wherein the guide post catching grooves (223) are plural, and the plural guide post catching grooves (223) are provided at intervals in a longitudinal direction of the flapper main body (221).

12. The damper mechanism according to claim 6, wherein the drive portion (23) includes:

the motor (231), the motor (231) is connected with the cover plate (21);

hold-in range (232), the one end of hold-in range (232) with the output of motor (231) is connected, the other end of hold-in range (232) with apron (21) are connected, be provided with on baffle (22) with the hold-in range clamp splice of hold-in range (232) looks joint.

13. The cushioning mechanism of claim 6, further comprising:

the optical coupler (30), the optical coupler (30) is connected with the cover plate (21);

the baffle plate (40), the baffle plate (40) is connected with the baffle plate (22), and when the driving part (23) drives the baffle plate (22) to be located at the avoiding position, the optical coupler (30) sends an electric signal for sensing the existence of the baffle plate (22);

and the controller is electrically connected with the driving part (23), and the controller controls the driving part (23) to stop driving according to the electric signal.

14. The damping mechanism according to claim 6, characterized in that the baffle (22) has a predetermined distance in the vertical direction from the outlet section (12), which is smaller than the diameter of the large-diameter end of the disposable tip.

15. The cushioning mechanism of claim 13, further comprising:

the detector is electrically connected with the controller, when the baffle (22) is located at the blocking position, the detector is used for detecting the amount of the discarded objects in the discarding channel (10), when the detector detects that the amount of the discarded objects reaches a preset value, the detector sends out a baffle opening electric signal, and the controller can start the driving part (23) according to the baffle opening electric signal, so that the driving part (23) drives the baffle (22) to move to the avoiding position.

16. A sample analyser comprising a buffer mechanism, wherein the buffer mechanism is as claimed in any one of claims 1 to 15.

Images