Door opening and closing module and pipetting equipment

Abstract

The utility model belongs to the technical field of test equipment, and provides a door opening and closing module and pipetting equipment, the door opening and closing module comprises a frame which is connected with a rack of equipment for installing the door opening and closing module; the sliding assembly is arranged on the frame, and the sliding assembly is arranged in the X direction or the vertical direction; and one end of the folding door is rotationally connected to one side of the frame, the other end of the folding door is connected to the sliding assembly, and the folding door can slide back and forth in the X direction or the vertical direction through the sliding assembly and be folded.

Description

Technical Field

[0001] The utility model belongs to the technical field of testing equipment, and in particular relates to a switch door module and a liquid transfer device. Background Art

[0002] In the nucleic acid sequencing equipment, a spotting machine is used in the spotting process to configure the test sample of appropriate concentration. The door of the equipment is generally an integrated structure with a handle on the door. By setting a matching snap switch on the door and the housing or rack, the test personnel manually pull the handle to open and close the door. Alternatively, a magnetic attraction structure is set on the door handle to open and close the door electrically.

[0003] In the above method, the door generally opens outwards, and the equipment occupies a large space. For laboratories with small space dimensions, after the door is opened, the experimental space is occupied, affecting the progress of other work. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a door opening and closing module and a liquid transfer device, which are used to reduce the space occupied in the laboratory without affecting the progress of other work.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A door opening and closing module, comprising:

[0007] a frame connected to a rack of equipment on which the switch door module is mounted;

[0008] A sliding assembly is arranged on the frame, and the sliding assembly is arranged along the X direction or the vertical direction;

[0009] The folding door has one end rotatably connected to one side of the frame and the other end connected to the sliding assembly. The folding door can slide back and forth and fold along the X direction or the vertical direction through the sliding assembly.

[0010] Preferably, the frame comprises an upper support assembly, a lower support assembly and a rotating shaft assembly, and the upper support assembly and the lower support assembly are both arranged on a frame of the equipment;

[0011] One side of the folding door is rotatably connected to the rotating shaft assembly;

[0012] One end of the rotating shaft assembly is connected to the upper supporting assembly, and the other end is connected to the lower supporting assembly.

[0013] Preferably, the upper support assembly comprises an upper support member and a first rotating shaft member, and the upper support member is horizontally arranged on the frame and located above the folding door;

[0014] The first rotating shaft is connected to the upper supporting member, and the upper end of the rotating shaft assembly is rotatably connected to the first rotating shaft.

[0015] Preferably, the lower support assembly includes a second rotating shaft member, which is fixed to the frame of the equipment;

[0016] The lower end of the rotating shaft assembly is rotatably connected to the second rotating shaft member.

[0017] Preferably, a second rotating shaft member is provided with a second rotating shaft groove, a lower bearing is arranged in the second rotating shaft groove, and the lower end of the rotating shaft assembly is connected to the lower bearing.

[0018] Preferably, the rotating shaft assembly comprises a rotating shaft and a door fixing member, the door fixing member is provided with a rotating shaft hole, and the rotating shaft is passed through the rotating shaft hole;

[0019] One end of the folding door is connected to the door fixing member, and the other end is provided with a door opening member;

[0020] The upper end of the rotating shaft is rotatably mounted in the first rotating shaft groove through an upper bearing, and the lower end of the rotating shaft is rotatably mounted in the second rotating shaft groove through the lower bearing.

[0021] Preferably, the sliding assembly comprises:

[0022] A sliding fixing member, which is arranged on the frame and located below the folding door;

[0023] A sliding rod, one end of which is connected to the sliding fixing member, and the other end of which is connected to the second rotating shaft member;

[0024] A sliding rotation component is slidably connected to the sliding rod, and the bottom end of the folding door is connected to the sliding rotation component. The sliding rotation component can drive the folding door to rotate around the Z axis and slide back and forth along the X direction.

[0025] Preferably, the sliding and rotating assembly comprises a cylindrical sliding member, a sliding connecting member and a door rotating connecting assembly, wherein the cylindrical sliding member is slidably arranged on the sliding rod, and the cylindrical sliding member can rotate around the sliding rod;

[0026] The sliding connection piece is sleeved on the cylindrical sliding piece and can slide synchronously with the cylindrical sliding piece relative to the sliding rod;

[0027] The door rotation connection assembly is rotationally connected to the sliding connection member.

[0028] Preferably, the door rotation connection assembly comprises a door connection piece, a door rotation shaft and a door rotation bearing, and the door rotation bearing is arranged on the door connection piece;

[0029] The door connecting member is connected to the lower part of the opened end of the folding door;

[0030] One end of the door rotation shaft is connected to the door rotation bearing, and the other end is connected to the sliding connection piece.

[0031] The utility model also provides a liquid transfer device, comprising the switch door module.

[0032] Compared with the prior art, the utility model has the following beneficial effects:

[0033] When the folding door of the utility model is opened, one end of the folding door is rotatably connected to the frame, and the other end of the folding door is pulled manually or automatically, and the folding door slides along the frame and folds through the sliding assembly during the opening process. The folding door folds after opening, and occupies a small space. At the same time, the opening at the folding door is fully opened, so that the product in the device where the folding door is located can be taken in and out.

[0034] Compared with the structure of the door opening up and down and the structure of the door opening left and right in the prior art, the folding door in this embodiment is opened and folded to reduce the occupied space. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a structural schematic diagram of the first angle of the switch door module and the frame in the utility model;

[0036] Figure 2 For the utility model Figure 1 A magnified view of the structure at A;

[0037] Figure 3a It is a structural schematic diagram of a first angle of the first rotating shaft member in the utility model;

[0038] Figure 3b It is a structural schematic diagram of the second angle of the first rotating shaft member in the utility model;

[0039] Figure 4 For the utility model Figure 1 A magnified view of the structure at B;

[0040] Figure 5a It is a structural schematic diagram of a first angle of the second rotating shaft member in the utility model;

[0041] Figure 5b It is a structural schematic diagram of a second angle of the second rotating shaft member in the utility model;

[0042] Figure 6 It is a structural schematic diagram of the second rotating shaft member, the sliding rod and the rotating shaft in the utility model;

[0043] Figure 7It is a structural schematic diagram of the second rotating shaft member and the sliding assembly in the utility model;

[0044] Figure 8 It is a structural schematic diagram of the sliding member and the sliding rod in the utility model;

[0045] Fig. 9 This is a schematic structural diagram of the switch door module and the frame in the utility model from a second angle.

[0046] Among them, 1. rack; 11. rack frame; 12. bottom plate;

[0047] 71, frame; 711, upper support assembly; 7111, upper support member; 7112, first rotating shaft member; 71121, first strip hole; 71122, first rotating shaft groove; 71123, upper fixed stepped hole; 712, lower support assembly; 7121, second rotating shaft member; 71211, second strip hole; 71212, second rotating shaft groove; 71213, third strip hole; 71214, lower fixed stepped hole; 71215, slide bar mounting hole; 713, rotating shaft assembly; 7131, rotating shaft; 7132, door fixing member; 714, upper bearing;

[0048] 73. Sliding assembly; 731. Sliding fixing member; 732. Sliding rod; 733. Sliding member; 7331. Cylindrical sliding member; 7332. Sliding connecting member; 7333. Door rotating connecting assembly; 73331. Door connecting member; 73332. Door rotating shaft; 73333. Door rotating bearing;

[0049] 74. Folding door; 741. First door body; 742. Second door body; 743. Folding door connector. DETAILED DESCRIPTION

[0050] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0051] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0052] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0053] In the description of the present utility model, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0054] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0056] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0057] like Figure 1 As shown, in this embodiment, a switch door module is provided, including:

[0058] The frame 71 is connected to the rack 1 of the equipment on which the door switch module is installed. Specifically, the rack 1 includes a rack frame 11 and a bottom plate 12 , and the bottom plate 12 is installed at the bottom of the rack frame 11 .

[0059] The sliding assembly 73 is disposed on the frame 71 , and the sliding assembly 73 is disposed along the X direction or the vertical direction.

[0060] The folding door 74 has one end rotatably connected to one side of the frame 71 and the other end connected to the sliding assembly 73 . The folding door 74 can slide back and forth and fold along the X direction or vertical direction through the sliding assembly 73 .

[0061] When the folding door 74 in this embodiment is opened, one end of the folding door 74 is rotatably connected to the frame 71, and the other end of the folding door 74 is pulled manually or automatically, and the folding door 74 slides and folds along the frame 71 through the sliding assembly 73 during the opening process. The folding door 74 folds after opening, and occupies a small space. At the same time, the opening at the folding door 74 is fully opened, so that the products in the device where the folding door 74 is located can be taken in and out.

[0062] Compared with the structure of the door opening up and down and the structure of the door opening left and right in the prior art, the folding door 74 in this embodiment is opened and folded to reduce the occupied space.

[0063] Preferably, if Figure 1 As shown, the frame 71 includes an upper support assembly 711, a lower support assembly 712 and a rotating shaft assembly 713. The upper support assembly 711 and the lower support assembly 712 are both arranged on the frame 1 of the device. Figure 1 As shown, the upper support assembly 711 and the lower support assembly 712 are both connected to the rack frame 11. One side of the folding door 74 is rotatably connected to the shaft assembly 713. One end of the shaft assembly 713 is connected to the upper support assembly 711, and the other end is connected to the lower support assembly 712. When the folding door 74 is opened, the shaft assembly 713 is driven to rotate relative to the upper support assembly 711 and the lower support assembly 712. The shaft assembly 713 is installed by the upper support assembly 711 and the lower support assembly 712 to ensure the stable rotation of the folding door 74. The structure uses the rack frame 11 of the rack 1 as a support, has a simple structure, and is easy to install.

[0064] Preferably, if Figure 2As shown, the upper support assembly 711 includes an upper support member 7111 and a first rotating shaft member 7112. The upper support member 7111 is horizontally arranged on the frame 1 and is located above the folding door 74, so as to facilitate the installation of the first rotating shaft member 7112. The first rotating shaft member 7112 is connected to the upper support member 7111, and the upper end of the rotating shaft assembly 713 is rotatably connected to the first rotating shaft member 7112. By setting the upper support member 7111 to fix the first rotating shaft member 7112, a rotating support is provided for the rotating shaft assembly 713. At the same time, the upper support member 7111 is installed on the frame 11, which can also increase the structural strength of the whole device. The folding door 74 is supported by the first rotating shaft member 7112. The first rotating shaft member 7112 has a simple structure, low cost and simple installation. The upper support member 7111 is connected to the frame 11, which is convenient for the disassembly and replacement of the upper support member 7111, thereby reducing the production cost.

[0065] More specifically, the upper support member 7111 is a strip-shaped thin plate member, which is fixedly connected to the frame 1. While ensuring the supporting strength of the folding door 74, the strip-shaped thin plate member is light in weight, small in size, and occupies little space, and will not increase the volume and weight of the entire equipment.

[0066] Preferably, if Figure 2 , Figure 3a and Figure 3b As shown, a first shaft groove 71122 is provided on the first shaft member 7112, and the upper end of the shaft assembly 713 is disposed in the first shaft groove 71122. Preferably, the first shaft groove 71122 is a first stepped circular hole. Preferably, an upper bearing 714 is disposed in the first shaft groove 71122, and the upper end of the shaft assembly 713 is connected to the upper bearing 714.

[0067] The first rotating shaft 7112 is also provided with an upper fixed stepped hole 71123, which is symmetrically arranged on both sides of the first rotating shaft groove 71122, and partially overlaps with the first rotating shaft groove 71122. The upper fixed stepped hole 71123 is provided with a first pressing member, which is pressed on the outer ring of the upper bearing 714 to prevent the upper bearing 714 from axial movement. In this embodiment, the second pressing member is a screw nut.

[0068] Preferably, if Figure 2 , Figure 3a and Figure 3bAs shown, a first strip hole 71121 is provided on the first rotating shaft member 7112, and the first rotating shaft member 7112 is connected to the upper supporting member 7111 through the first strip hole 71121. The long axis of the first strip hole 71121 is arranged along the X direction. More specifically, the first strip hole 71121 is a first countersunk hole for the convenience of installing bolts. Preferably, the first strip hole 71121 is symmetrically arranged on both sides of the first rotating shaft groove 71122, and the first strip hole 71121 and the first rotating shaft groove 71122 are respectively located on the adjacent two side surfaces of the first rotating shaft member 7112, and the first rotating shaft member 7112 is fixed through the first strip hole 71121.

[0069] Preferably, if Figure 2 and Figure 4 As shown, the lower support assembly 712 includes a second rotating shaft member 7121, which is fixed to the frame 1 of the device. Specifically, the second rotating shaft member 7121 is fixed to the front end of the frame frame 11. The lower end of the rotating shaft assembly 713 is rotatably connected to the second rotating shaft member 7121. The rotating shaft assembly 713 is supported to rotate by the first rotating shaft member 7112 and the second rotating shaft member 7121, and the folding door 74 is rotated and folded by the rotating shaft assembly 713 during the opening process. The structure of supporting the rotating shaft assembly 713 to rotate is simple and occupies little space.

[0070] Preferably, if Figure 4 and Figure 5a , Figure 5b As shown, the second rotating shaft member 7121 is provided with a second rotating shaft groove 71212, and the lower end of the rotating shaft assembly 713 is rotatably connected to the second rotating shaft groove 71212. Specifically, a lower bearing is provided in the second rotating shaft groove 71212, and the lower end of the rotating shaft assembly 713 is connected to the lower bearing. Specifically, the second rotating shaft groove 71212 is a second stepped circular hole, and the lower bearing is provided in the second stepped circular hole. Specifically, the size of the first stepped circular hole and the second stepped circular hole can be the same or different.

[0071] The second rotating shaft 7121 is also provided with a lower fixed stepped hole 71214, which is symmetrically arranged on both sides of the second rotating shaft groove 71212, and partially overlaps with the second rotating shaft groove 71212. The lower fixed stepped hole 71214 is provided with a second pressing member, which is pressed on the outer ring of the lower bearing to prevent the lower bearing from moving axially. In this embodiment, the second pressing member is a screw nut.

[0072] Preferably, the second rotating shaft member 7121 is provided with a second strip hole 71211, and the second rotating shaft member 7121 is connected to the bottom of the frame 1 through the second strip hole 71211. The long axis of the second strip hole 71211 is arranged along the X direction. Preferably, the second rotating shaft member 7121 is provided with two groups of second strip holes 71211 arranged in parallel along the Y direction, and the second strip holes 71211 are located on one side of the second rotating shaft 7131 groove.

[0073] Preferably, the second rotating shaft 7121 is provided with a third strip hole 71213 , and the long axis of the third strip hole 71213 is arranged along the X direction. The third strip hole 71213 is connected to the side of the frame 1 .

[0074] Further preferably, the second rotating shaft 7121 is connected to the bottom of the frame 1 to save installation space and reduce the overall structural volume of the device.

[0075] Specifically, the second rotating shaft 7121 is disposed below the bottom plate 12, and a portion of the second rotating shaft 7121 is located outside the bottom plate 12, so as to be connected to the lower end of the rotating shaft assembly 713. Specifically, the lower end of the rotating shaft assembly 713 is rotatably connected to the portion of the second rotating shaft 7121 extending out of the bottom plate 12. The second rotating shaft 7121 is connected to the bottom plate 12 through the second strip hole 71211, and is connected to the side of the bottom plate 12 through the third strip hole 71213.

[0076] The second strip hole 71211 is connected to the bottom surface of the bottom plate 12, and the third strip hole 71213 is connected to the side of the bottom plate 12, thereby increasing the connection strength between the second rotating shaft 7121 and the frame 1, preventing looseness, and not affecting the use of the folding door 74. Preferably, the second strip hole 71211 is a second countersunk hole, and the third strip hole 71213 is a third countersunk hole, so as to facilitate the installation of bolts. The sizes of the first strip hole 71121, the second strip hole 71211 and the third strip hole 71213 can be the same or different.

[0077] Specifically, the rack frame 11 includes a plurality of carbon steel square tubes or a plurality of profiles.

[0078] More preferably, if Figure 2 , Figure 3a , Figure 3b , Figure 4 , Figure 5a , Figure 5b and Figure 6As shown, the rotating shaft assembly 713 includes a rotating shaft 7131 and a door fixing member 7132. The door fixing member 7132 is provided with a rotating shaft hole, and the rotating shaft 7131 is passed through the rotating shaft hole. One end of the folding door 74 is connected to the door fixing member 7132, and the other end is provided with a door opening member. During the opening process of the folding door 74, the folding door 74 folds and rotates along the rotating shaft 7131 synchronously with the door fixing member 7132. The upper end of the rotating shaft 7131 is rotatably mounted in the first rotating shaft groove 71122 through the upper bearing 714, and the lower end of the rotating shaft 7131 is rotatably mounted in the second rotating shaft groove 71212 through the lower bearing. The above-mentioned door opening member includes a handle or a pull ring. Specifically, the upper bearing 714 and the lower bearing are both conventional rolling bearings.

[0079] Preferably, if Figure 6 , Figure 7 and Figure 8 As shown, the sliding assembly 73 includes:

[0080] A sliding fixing member 731 is disposed on the frame 1 and is located below the folding door 74;

[0081] The slide bar 732 has one end connected to the sliding fixing member 731, and the other end connected to the second rotating shaft member 7121. Specifically, in this embodiment, the second rotating shaft member 7121 is provided with a slide bar mounting hole 71215, the axial direction of the slide bar mounting hole 71215 is arranged along the X direction, the length direction of the slide bar 732 is arranged along the X direction, and the slide bar 732 is connected to the slide bar mounting hole 71215 by interference fit.

[0082] The sliding rotating assembly 733 is slidably connected to the slide bar 732. The bottom end of the folding door 74 is connected to the sliding rotating assembly 733. The sliding rotating assembly 733 can drive the folding door 74 to rotate around the Z axis and slide back and forth along the X direction. The folding door 74 is folded during the punching process. The bottom end of the folding door 74 rotates relative to the sliding rotating assembly 733, and slides horizontally with the sliding rotating assembly 733 along the slide bar 732, and rotates around the X axis at the same time. Preferably, the bottom of the open end of the folding door 74 is connected to the sliding rotating assembly 733, and the entire folding door 74 is supported to be opened by the sliding rotating assembly 733. Further preferably, in other embodiments, the sliding rotating assembly 733 includes at least two sliding fixing members 731 evenly distributed at the bottom of the folding door 74.

[0083] The slide bar 732 in this embodiment is a cylindrical bar, and the length direction of the cylindrical bar is arranged along the X direction. The sliding rotation assembly 733 includes a cylindrical sliding member 7331, a sliding connection member 7332 and a door rotation connection assembly 7333. The cylindrical sliding member 7331 is slidably arranged on the cylindrical bar, and the cylindrical sliding member 7331 can rotate around the cylindrical bar. The sliding connection member 7332 is sleeved on the cylindrical sliding member 7331 and can slide synchronously with the cylindrical sliding member 7331 relative to the slide bar 732. The door rotation connection assembly 7333 is rotationally connected to the sliding connection member 7332.

[0084] With regard to the specific structure of the door rotation connection assembly 7333 connected to the sliding connection member 7332, preferably, the door rotation connection assembly 7333 includes a door connection member 73331, a door rotation shaft 73332 and a door rotation bearing 73333, and the door rotation bearing 73333 is arranged on the door connection member 73331. Specifically, a first bearing mounting groove is arranged on the door connection member 73331, and the door rotation bearing 73333 is installed in the first bearing mounting groove. The door connection member 73331 is connected to the lower part of the open end of the folding door 74. Specifically, in this embodiment, the door connection member 73331 is fixedly connected to the folding door 74. One end of the door rotation shaft 73332 is connected to the door rotation bearing 73333, and the other end is connected to the sliding connection member 7332.

[0085] In other embodiments, the sliding connection member 7332 may be provided with a second bearing installation groove, and the door rotation bearing 73333 may be installed in the second bearing installation groove. The door rotation bearing 73333 may be a conventional rolling bearing.

[0086] In other embodiments, the sliding fixing member 731 can be disposed on the frame 1 and located above the folding door 74. In this embodiment, one end of the sliding rod 732 is connected to the sliding fixing member 731, and the other end is connected to the first rotating shaft member 7112, and the length direction of the sliding rod 732 is arranged along the X direction. In this embodiment, the sliding rod 732 is located above the folding door 74.

[0087] Preferably, Figure 1 As shown, the slide bar 732 is disposed below the folding door 74, and the sliding assembly 73 is disposed at the bottom of the folding door 74. In other embodiments, the slide bar 732 is disposed above the folding door 74, and the sliding assembly 73 is disposed at the top of the folding door 74.

[0088] Preferably, if Figure 1 and Fig. 9As shown, the folding door 74 includes a first door body 741 and a second door body 742. One end of the first door body 741 is connected to the door fixing member 7132, and the other end is connected to the second door body 742 through a folding door connecting member 743. The bottom of the second door body 742 is connected to the sliding rotation assembly 733. Specifically, the first door body 741 is connected to the second door body 742 through a hinge.

[0089] Preferably, two sets of leaves are provided between the first door body 741 and the second door body 742 , and the two sets of leaves are spaced apart by a first preset distance in the vertical direction.

[0090] In other embodiments, the folding door 74 further includes an intermediate door body, and the first door body 741 and the intermediate door body, the intermediate door bodies, and the intermediate door body and the second door body 742 are all connected via hinges.

[0091] Preferably, the door opening member is installed on the outer side wall of the second door body 742 to facilitate smooth opening. Specifically, the handle in this embodiment is installed on the second door body 742.

[0092] In other embodiments, the door opening and closing module further includes a driving component, and an output end of the driving component is connected to the folding door 74. The driving component drives the folding door 74 to reciprocate along the X direction.

[0093] When the folding door 74 slides in the vertical direction, the structural positions of the frame 71 and the sliding assembly 73 are adjusted accordingly.

[0094] This embodiment also provides a liquid transfer device, including the above-mentioned switch gate module, and the liquid transfer device is used to prepare probes and to match samples with a predetermined concentration ratio and probes with a predetermined concentration ratio.

[0095] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A door opening and closing module, characterized in that: include: A frame (71) connected to a rack (1) of equipment on which the switch door module is mounted; A sliding assembly (73) is arranged on the frame (71), and the sliding assembly (73) is arranged along the X direction or the vertical direction; A folding door (74) has one end rotatably connected to one side of the frame (71) and the other end connected to the sliding assembly (73). The folding door (74) can slide back and forth and fold along the X direction or the vertical direction through the sliding assembly (73).

2. The door opening and closing module according to claim 1, characterized in that: The frame (71) comprises an upper support assembly (711), a lower support assembly (712) and a rotating shaft assembly (713), and the upper support assembly (711) and the lower support assembly (712) are both arranged on a frame (1) of the equipment; One side of the folding door (74) is rotatably connected to the rotating shaft assembly (713); One end of the rotating shaft assembly (713) is connected to the upper supporting assembly (711), and the other end is connected to the lower supporting assembly (712).

3. The door opening and closing module according to claim 2, characterized in that: The upper support assembly (711) comprises an upper support member (7111) and a first rotating shaft member (7112); the upper support member (7111) is horizontally arranged on the frame (1) and is located above the folding door (74); The first rotating shaft member (7112) is connected to the upper supporting member (7111), and the upper end of the rotating shaft assembly (713) is rotatably connected to the first rotating shaft member (7112).

4. The door opening and closing module according to claim 3, characterized in that: The lower support assembly (712) comprises a second rotating shaft (7121) which is fixed on the frame (1) of the device; The lower end of the rotating shaft assembly (713) is rotatably connected to the second rotating shaft member (7121).

5. The door opening and closing module according to claim 4, characterized in that: The second rotating shaft member (7121) is provided with a second rotating shaft groove (71212), a lower bearing is arranged in the second rotating shaft groove (71212), and the lower end of the rotating shaft assembly (713) is connected to the lower bearing.

6. The door opening and closing module according to claim 5, characterized in that: The rotating shaft assembly (713) comprises a rotating shaft (7131) and a door fixing member (7132); the door fixing member (7132) is provided with a rotating shaft hole, and the rotating shaft (7131) is passed through the rotating shaft hole; One end of the folding door (74) is connected to the door fixing member (7132), and the other end is provided with a door opening member; The first rotating shaft member (7112) is provided with a first rotating shaft groove (71122), the upper end of the rotating shaft (7131) is rotatably mounted in the first rotating shaft groove (71122) via an upper bearing (714), and the lower end of the rotating shaft (7131) is rotatably mounted in the second rotating shaft groove (71212) via a lower bearing.

7. The door opening and closing module according to claim 4, characterized in that: The sliding assembly (73) comprises: A sliding fixing member (731) is arranged on the frame (1) and is located below the folding door (74); A sliding rod (732), one end of which is connected to the sliding fixing member (731), and the other end of which is connected to the second rotating shaft member (7121); The sliding rotation component (733) is slidably connected to the sliding rod (732), and the bottom end of the folding door (74) is connected to the sliding rotation component (733). The sliding rotation component (733) can drive the folding door (74) to rotate around the Z axis and slide back and forth along the X direction.

8. The door opening and closing module according to claim 7, characterized in that: The sliding rotation assembly (733) comprises a cylindrical sliding member (7331), a sliding connection member (7332) and a door rotation connection assembly (7333); the cylindrical sliding member (7331) is slidably disposed on the sliding rod (732), and the cylindrical sliding member (7331) can rotate around the sliding rod (732); The sliding connection member (7332) is sleeved on the cylindrical sliding member (7331) and can slide synchronously with the cylindrical sliding member (7331) relative to the sliding rod (732); The door rotation connection assembly (7333) is rotationally connected to the sliding connection member (7332).

9. The door opening and closing module according to claim 8, characterized in that: The door rotation connection assembly (7333) comprises a door connection member (73331), a door rotation shaft (73332) and a door rotation bearing (73333), wherein the door rotation bearing (73333) is arranged on the door connection member (73331); The door connecting member (73331) is connected to the lower part of the opened end of the folding door (74); One end of the door rotation shaft (73332) is connected to the door rotation bearing (73333), and the other end is connected to the sliding connection member (7332).

10. A liquid transfer device, characterized in that: A switch door module comprising any one of claims 1-9.

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