Suction pipe device for multiple sample pipes
By designing a multi-spin sample tube straw device, using the combination of clamping mechanism and straw assembly, the problem of heavy and fall off of sample tubes in the prior art is solved, and efficient multi-spin sample tube suction and storage is achieved.
Patent Information
- Application Number
- CN202422535172.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-21
AI Technical Summary
Existing sample tube straw equipment can only absorb and operate a single sample tube separately, and when taking out a specific sample tube, the front sample tube needs to be removed one by one. The operation is heavy, and multiple sample tubes are prone to fall off during the transfer process.
A multi-substrate sample tube straw device is designed, including a clamping mechanism and a straw assembly. The clamping mechanism can clamp and fix multiple sample tubes. By clamping the lifting and lowering the sample tube, the suction and detection functions of the straw assembly can be improved.
It realizes efficient suction and storage of multiple sample tubes, avoids falling off during the transfer process, improves operating efficiency and suction efficiency, and especially can absorb more than 10 sample tubes at the same time.
Smart Images
Figure CN223175232U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sample storage, in particular to a multi-tube sample pipette device. Background Art
[0002] The pipette tip can suck and temporarily store the sample tube. However, the existing sample tube pipetting equipment usually only transfers a single sample tube, and the sample tubes are stored in the aluminum tube in sequence. When it is necessary to take out a certain sample tube, it is necessary to take out each sample tube in front of it one by one, and the number of operations is too heavy. Therefore, the inventor designed a device that can suck multiple sample tubes. Summary of the Utility Model
[0003] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract and the title of the utility model of this application, to avoid obscuring the purpose of this part, the abstract, and the title of the utility model. However, such simplifications or omissions shall not be used to limit the scope of the utility model.
[0004] In view of the problems existing in the above or the prior art, the present utility model is proposed.
[0005] Therefore, the purpose of the present utility model is to provide a multi-tube sample pipette device, which can suck and store multiple sample tubes, and can fix the sample tube at the bottom, thus avoiding the problem of multiple sample tubes falling off.
[0006] To solve the above technical problems, the present utility model provides the following technical solution: A multi-tube sample pipette device, which includes a clamping mechanism and a pipette assembly; the pipette assembly is arranged on the clamping mechanism, the pipette assembly can suck multiple sample tubes, and the clamping mechanism can clamp and fix the sample tubes.
[0007] As a preferred scheme of the multi-tube sample pipette device of the present utility model, wherein: the clamping mechanism includes a clamping assembly and a clamping lifting assembly; the clamping lifting assembly is connected to the side of the clamping assembly, the clamping lifting assembly can drive the clamping assembly to lift, the clamping assembly can fix the sample tubes on the pipette assembly, and the clamping assembly is arranged at a position close to the lower end of the pipette assembly.
[0008] As a preferred scheme of the multi-tube sample pipette device of the present utility model, wherein: the clamping assembly includes a clamping piece, a clamping cavity, and an elastic member; the clamping piece is connected to the pipette assembly through the elastic member, the clamping piece is arranged in the clamping cavity, the clamping cavity can squeeze the clamping piece, and the clamping piece clamps and fixes the sample tubes.
[0009] As a preferred embodiment of the multi-sample tube suction device of the present utility model, the clamping cavity includes an upper cavity and a lower cavity; the upper cavity is arranged above the lower cavity, and the inner diameter of the upper cavity gradually decreases from bottom to top; the upper cavity can extrude the clamping member, and the inner diameter of the bottom of the lower cavity is the same as that of the upper cavity.
[0010] As a preferred embodiment of the multi-sample tube suction device of the present utility model, the clamping assembly further includes a support frame, and the support frame can support the clamping assembly and the clamping lifting assembly.
[0011] As a preferred embodiment of the multi-sample tube suction device of the present utility model, it further includes a fixing member, and the fixing member is arranged on the clamping mechanism, and the fixing member can fix the suction tube assembly.
[0012] As a preferred embodiment of the multi-sample tube suction device of the present utility model, the suction tube assembly includes a suction tube and a suction head; the suction head is arranged below the suction tube, the suction tube can vertically store multiple groups of sample tubes, and the suction head can suck the sample tubes.
[0013] As a preferred embodiment of the multi-sample tube suction device of the present utility model, a detection mechanism is arranged above the suction tube, and the detection mechanism can detect the number of sample tubes in the suction tube.
[0014] As a preferred embodiment of the multi-sample tube suction device of the present utility model, the cross-section of the suction tube is circular, and the suction tube is vertically arranged, and multiple groups of sample tubes can be vertically accommodated inside the suction tube.
[0015] As a preferred embodiment of the multi-sample tube suction device of the present utility model, the clamping lifting assembly includes a support frame and a first sliding member; the support frame is provided with a track, the first sliding member can lift along the track, and the first sliding member is connected to the clamping assembly.
[0016] As a preferred embodiment of the multi-sample tube suction device of the present utility model, it further includes a lifting mechanism, the lifting mechanism is connected to the clamping mechanism, and the lifting mechanism can drive the clamping mechanism and the suction tube assembly to lift.
[0017] As a preferred embodiment of the multi-sample tube suction device of the present utility model, the lifting mechanism includes a vertical guide rail, a second sliding member, and a connecting member; the second sliding member is arranged on the vertical guide rail, the second sliding member is connected to the connecting member, the connecting member is connected to the clamping mechanism and the suction tube assembly, and the second sliding member is slidably connected to the vertical guide rail.
[0018] Advantages of the present utility model: 1. A clamping mechanism is provided at the tip of the straw assembly. After sucking multiple sample tubes into the straw, the clamping mechanism descends, and the clamping member retracts and clamps, so that the sample tubes in the straw will not fall off from the tip. When placing, the clamping mechanism moves upward, the clamping member opens, and the sample tubes leave the straw under the action of gravity. 2. By providing multiple tool aluminum tubes with gradually increasing volumes and cooperating with multiple straws, the catheter extraction of specific sample tubes can be achieved. 3. The lifting mechanism can drive the clamping mechanism and the straw assembly to rise and fall, so as to pick tubes more conveniently and realize automatic operation. 4. The sucking efficiency of the straw assembly is increased from sucking 1 tube to more than 10 tubes, improving the sucking efficiency. 5. When the straw assembly performs catheter operation, the catheter efficiency can be greatly improved. Description of the Drawings
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other accompanying drawings can be obtained based on these drawings without creative efforts. Among them:
[0020] Figure 1 Schematic three-dimensional view of a multi-sample tube straw device.
[0021] Figure 2 Cross-sectional view of the clamping member of a multi-sample tube straw device.
[0022] Figure 3 For Figure 2 Enlarged view at F2 of the multi-sample tube straw device in
[0023] Figure 4 Left view of a multi-sample tube straw device.
[0024] Figure 5 For Figure 1 Enlarged schematic view at F1 of the multi-sample tube straw device in
[0025] Figure 6 Schematic diagram of the catheter logic of a multi-sample tube straw device.
[0026] Reference numerals: clamping mechanism, 1; straw assembly, 2; clamping assembly, 11; clamping lifting assembly, 12; clamping member, 111; clamping cavity, 112; upper cavity, 1121; lower cavity, 1122; support frame, 113; fixing member, 4; straw, 21; tip, 22; detection mechanism, 23; first sliding member, 121; lifting mechanism, 3; vertical guide rail, 31; second sliding member, 32; connecting member, 33; Detailed Embodiments
[0027] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the following will describe in detail the specific implementation manners of the present utility model with reference to the accompanying drawings of the specification.
[0028] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar generalizations without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.
[0029] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure or characteristic that can be included in at least one implementation manner of the present utility model. The appearances of "in one embodiment" in different places in this specification do not all refer to the same embodiment, nor are they separate or alternative embodiments that are mutually exclusive with other embodiments.
[0030] Embodiment 1
[0031] Referring to Figures 1 to 3 , which is the first embodiment of the present utility model. This embodiment provides a multi-sample tube pipetting device, which includes a clamping mechanism 1 and a pipette assembly 2. The pipette assembly 2 is provided on the clamping mechanism 1. The pipette assembly 2 can aspirate multiple sample tubes, and the clamping mechanism 1 can clamp and fix the sample tubes.
[0032] Preferably, the clamping mechanism 1 can limit and support the pipette assembly 2, and the clamping mechanism 1 can clamp and fix the sample tubes on the pipette assembly 2 to avoid falling off. The clamping mechanism 1 can fix the lowermost sample tube.
[0033] In summary, the present utility model can aspirate multiple sample tubes through the pipette assembly 2 and temporarily store them. By raising and lowering the clamping mechanism 1, the sample tubes on the pipette assembly 2 can be clamped and fixed, avoiding the situation of multiple sample tubes falling off during transportation.
[0034] Embodiment 2
[0035] Referring to Figures 1 to 5 , which is the second embodiment of the present utility model. In the previous embodiment, the multi-sample tube pipetting device includes a clamping mechanism 1 and a pipette assembly 2. The pipette assembly 2 is provided on the clamping mechanism 1. The pipette assembly 2 can aspirate multiple sample tubes, and the clamping mechanism 1 can clamp and fix the sample tubes.
[0036] Preferably, the clamping mechanism 1 can limit and support the pipette assembly 2, and the clamping mechanism 1 can clamp and fix the sample tubes on the pipette assembly 2 to avoid falling off. The clamping mechanism 1 can fix the lowermost sample tube.
[0037] Further, the clamping mechanism 1 includes a clamping assembly 11 and a clamping lifting assembly 12; the clamping lifting assembly 12 is connected to the side of the clamping assembly 11, the clamping lifting assembly 12 can drive the clamping assembly 11 to lift, the clamping assembly 11 can fix the sample tube on the straw assembly 2, and the clamping assembly 11 is arranged at a position close to the lower end of the straw assembly 2.
[0038] Preferably, the clamping lifting assembly 12 can drive the clamping assembly 11 to lift, and through the lifting, the sample tube on the straw assembly 2 can be limited and fixed;
[0039] Preferably, the clamping assembly 11 can fix the sample tube at the lowermost end of the straw assembly 2, so that all the sample tubes in the straw assembly 2 will not fall off.
[0040] Further, the clamping assembly 11 includes a clamping member 111, a clamping cavity 112, and an elastic member; the clamping member 111 is connected to the straw assembly 2 through the elastic member, the clamping member 111 is arranged in the clamping cavity 112, the clamping cavity 112 can squeeze the clamping member 111, the clamping member 111 clamps and fixes the sample tube, and the clamping cavity 112 can limit and clamp the clamping member 111 through lifting.
[0041] Preferably, the clamping cavity 112 can expand or contract the inner diameter of the clamping member 111 through lifting, so as to achieve whether the clamping member 111 fixes the sample tube.
[0042] Preferably, the inside of the clamping cavity 112 is concave-convexly arranged. Through the lifting of the clamping cavity 112, the clamping member 111 is driven to lift, so that the clamping member 111 clamps the sample tube.
[0043] Preferably, the elastic member is wound around the outside of the clamping member 111. Through the arrangement of the elastic member, the clamping member 111 can be reset.
[0044] Preferably, through the clamping cavity 112, the clamping member 111 is squeezed and tightened inward, so that the sample tube in the straw will not fall off from the suction head. When placing the sample tube, the clamping cavity 112 moves upward, the clamping member 111 opens under the action of the elastic member, and the sample tube leaves the straw under the action of gravity.
[0045] Preferably, because the inside of the clamping cavity 112 is concave-convexly arranged, the clamping member 111 can be contracted or expanded, so as to fix and limit the sample tube on the straw assembly 2 by using the clamping member 111.
[0046] Further, the clamping cavity 112 includes an upper cavity 1121 and a lower cavity 1122; the upper cavity 1121 is arranged above the lower cavity 1122, and the inner diameter of the upper cavity 1121 gradually decreases from bottom to top; the upper cavity 1121 can extrude the clamping member 111, and the inner diameter of the bottom of the lower cavity 1122 is the same as that of the upper cavity 1121.
[0047] Preferably, two sets of clamping members 111 are symmetrically arranged to fix the sample tube. Of course, the clamping member 111 can also be set as a telescopic sleeve or other forms, as long as it can fix the sample tube; and the surface of the clamping member 111 in contact with the sample tube has a certain flexibility to protect the sample tube.
[0048] Preferably, the lower cavity 1122 can accommodate the clamping member 111 in the outer expansion state to ensure that the suction pipe assembly 2 is not blocked when sucking the sample tube; the diameter of the lower cavity 1122 is the same, and a certain height is set vertically.
[0049] Preferably, the side section of the upper cavity 1121 is an inclined surface, which can ensure that during the descent of the clamping cavity 112, the clamping member 111 is slowly extruded until the clamping member 111 clamps the sample tube.
[0050] Further, the clamping assembly 11 further includes a support frame 113, and the support frame 113 can support the clamping assembly 11 and the clamping lifting assembly 12.
[0051] Further, a fixing member 4 is further included, and the fixing member 4 is arranged on the clamping mechanism 1, and the fixing member 4 can fix the suction pipe assembly 2.
[0052] Preferably, the fixing member 4 is arranged on the support frame 113, and the suction pipe 21 can be fixed by the fixing member 4 to prevent the suction pipe from shifting.
[0053] Further, the suction pipe assembly 2 includes a suction pipe 21 and a suction head 22; the suction head 22 is arranged below the suction pipe 21, the suction pipe 21 can vertically store multiple groups of sample tubes, and the suction head 22 can suck the sample tube.
[0054] Preferably, the suction pipe 21 is communicated with a suction pump through a pipeline to provide driving suction force; the suction head 22 is arranged below the suction pipe 21, and the sample tube can be sucked into the suction pipe 21 through the suction head 22.
[0055] Preferably, the suction head 22 can be arranged on the clamping assembly 11, and the clamping assembly 11 can seal the upper end of the suction head 22 to ensure that the suction pipe 21 sucks the sample tube through the suction head 22; the suction head 22 can also be connected to the suction pipe 21, leaving enough space for the clamping member 111 to fix the sample tube.
[0056] Further, a detection mechanism 23 is provided above the straw 21, and the detection mechanism 23 can detect the number of sample tubes in the straw 21.
[0057] Preferably, the detection mechanism 23 is a laser sensor, which can detect the number of sample tubes in the straw 21 and can also detect the state of the sample tubes.
[0058] Further, the cross-section of the straw 21 is circular, and the straw 21 is vertically arranged, and multiple groups of sample tubes can be vertically accommodated inside the straw 21.
[0059] Preferably, the inside of the straw 21 is a cavity, and multiple groups of sample tubes can be vertically stored; and the clamping mechanism 1 can fix the sample tube at the bottommost position.
[0060] Further, the clamping and lifting assembly 12 includes a support frame 113 and a first sliding member 121; the support frame 113 is provided with a track, and the first sliding member 121 can lift along the track, and the first sliding member 121 is connected to the clamping assembly 11.
[0061] Preferably, the first sliding member 121 can drive the clamping assembly 11 to lift, so as to fix the sample tube.
[0062] Further, a lifting mechanism 3 is further included, and the lifting mechanism 3 is connected to the clamping mechanism 1, and the lifting mechanism 3 can drive the clamping mechanism 1 and the straw assembly 2 to lift.
[0063] Further, the lifting mechanism 3 includes a vertical guide rail 31, a second sliding member 32, and a connecting member 33; the second sliding member 32 is arranged on the vertical guide rail 31, the second sliding member 32 is connected to the connecting member 33, the connecting member 33 is connected to the clamping mechanism 1 and the straw assembly 2, and the second sliding member 32 is slidably connected to the vertical guide rail 31.
[0064] Preferably, the lifting mechanism 3 can drive the clamping mechanism 1 and the straw assembly 2 to lift as a whole; so that the straw assembly 2 fits the cryogenic storage box, which is convenient for aspiration.
[0065] It should be noted that Figure 6 in which A represents the straw assembly, which can store multiple groups of sample tubes; B represents the aluminum tube; C represents the tool aluminum tube;
[0066] Preferably, the tool aluminum tube represented by C includes a tool aluminum tube that can store one sample tube; and a tool aluminum tube that can store any number of sample tubes;
[0067] Reference Figure 6, in the pipette assembly represented by A, 1, 2, 3... sample tubes can be temporarily stored. If it is necessary to take the No. 2 sample tube, the pipette tip sucks the No. 1-9 sample tubes from the aluminum tube represented by B, and then puts the No. 1 into the tool aluminum tube C that can accommodate one sample tube. The No. 2 is at the first position of the pipette tip. The No. 2 is released, and the pipette tip returns to the tool aluminum tube C again to suck the No. 1, thus completing the individual picking of the No. 2 sample tube. When the No. 3 or No. 4 sample tube is needed, the tool aluminum tubes that can accommodate 2 and 3 sample tubes are sequentially coordinated to complete the tube transfer; the other labeled sample tubes are also transferred according to the above method;
[0068] In summary, the present utility model can suck at least more than 10 sample tubes through the pipette assembly 2, and through the lifting of the clamping mechanism 1, the sample tubes at the pipette tip 22 are fixed, so that the sample tubes in the entire pipette 21 will not fall off. By setting multiple tool aluminum tubes with gradually increasing volumes and cooperating with multiple pipettes, the tube transfer and extraction of specific sample tubes can be realized. When the pipette assembly 2 performs the tube transfer operation, the efficiency of tube transfer can be greatly improved.
[0069] Importantly, it should be noted that the structures and arrangements of the present application shown in multiple different exemplary embodiments are only illustrative. Although only a few embodiments are described in detail in this disclosure, those who refer to this disclosure should easily understand that many modifications are possible on the premise of substantially not deviating from the novel teachings and advantages of the subject matter described in this application (for example, the sizes, scales, structures, shapes and proportions of various components, and parameter values (such as temperature, pressure, etc.), installation arrangements, use of materials, color, orientation changes, etc.). For example, an element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature, number or position of discrete elements can be changed or altered. Therefore, all such modifications are intended to be included within the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structure that performs the recited function in this disclosure, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions can be made in the design, operating conditions and arrangements of the exemplary embodiments without departing from the scope of the present utility model. Therefore, the present utility model is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.
[0070] In addition, in order to provide a concise description of the exemplary embodiments, not all features of the actual embodiments may be described (i.e., those features that are not relevant to the currently considered best mode of implementing the present utility model or those features that are not relevant to the implementation of the present utility model).
[0071] It should be understood that, in the development of any actual implementation, such as in any engineering or design project, a large number of specific implementation decisions can be made. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, without undue experimentation, such development efforts will be routine work of design, manufacture, and production.
[0072] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.
Claims
1. A multi-sample tube pipette device, characterized in that: It includes a clamping mechanism (1) and a straw assembly (2); the straw assembly (2) is arranged on the clamping mechanism (1), the straw assembly (2) can suck multiple sample tubes, and the clamping mechanism (1) can clamp and fix the sample tubes.
2. The multi-sample tube pipetting device according to claim 1, wherein: The clamping mechanism (1) includes a clamping assembly (11) and a clamping lifting assembly (12); the clamping lifting assembly (12) is connected to the side of the clamping assembly (11), the clamping lifting assembly (12) can drive the clamping assembly (11) to lift, and the clamping assembly (11) can fix the sample tubes on the straw assembly (2), and the clamping assembly (11) is arranged at a position close to the lower end of the straw assembly (2).
3. The multi-sample tube pipetting device according to claim 2, wherein: The clamping assembly (11) includes a clamping piece (111) and a clamping cavity (112), the clamping piece (111) is arranged in the clamping cavity (112), the inside of the clamping cavity (112) is concave-convex, and the inner diameter of the clamping piece (111) can be enlarged or contracted by lifting the clamping cavity (112).
4. The multi-sample tube pipetting device according to claim 3, wherein: The clamping cavity (112) includes an upper cavity (1121) and a lower cavity (1122); the upper cavity (1121) is arranged above the lower cavity (1122), and the inner diameter of the upper cavity (1121) gradually decreases from bottom to top; the upper cavity (1121) can extrude the clamping piece (111), and the inner diameter of the lower cavity (1122) is the same as that of the bottom of the upper cavity (1121).
5. The multi-sample tube pipetting device according to any one of claims 2 to 4, characterized in that: The clamping assembly (11) further includes a support frame (113), and the support frame (113) can support the clamping assembly (11) and the clamping lifting assembly (12).
6. The multi-sample tube pipetting device according to any one of claims 1 to 4, characterized in that: It further includes a fixing member (4), the fixing member (4) is arranged on the clamping mechanism (1), and the fixing member (4) can fix the straw assembly (2).
7. The multi-sample tube pipetting device according to any one of claims 1 to 4, characterized in that: The straw assembly (2) includes a straw (21) and a suction head (22); the suction head (22) is arranged below the straw (21), the straw (21) can store multiple groups of sample tubes vertically, and the suction head (22) can suck the sample tubes.
8. The multi-sample tube pipetting device according to claim 7, characterized in that: A detection mechanism (23) is arranged above the straw (21), and the detection mechanism (23) can detect the number and state of the sample tubes in the straw (21).
9. The multi-sample tube pipetting device according to claim 8, characterized in that: The cross-section of the straw (21) is circular, and the straw (21) is arranged vertically, and multiple groups of sample tubes can be vertically accommodated inside the straw (21).
10. The multi-sample tube pipetting device according to claim 2, wherein: The clamping lifting assembly (12) includes a support frame (113) and a first sliding member (121); the support frame (113) is provided with a track, the first sliding member (121) can lift along the track, and the first sliding member (121) is connected to the clamping assembly (11).
11. The multi-sample tube pipetting device according to any one of claims 1 to 4, characterized in that: It further includes a lifting mechanism (3), the lifting mechanism (3) is connected to the clamping mechanism (1), and the lifting mechanism (3) can drive the clamping mechanism (1) and the straw assembly (2) to lift.
12. The multi-sample tube pipetting device according to claim 11, wherein: The lifting mechanism (3) includes a vertical guide rail (31), a second slider (32), and a connecting member (33); the second slider (32) is arranged on the vertical guide rail (31), the second slider (32) is connected to the connecting member (33), the connecting member (33) is connected to the clamping mechanism (1) and the straw assembly (2), and the second slider (32) is slidably connected to the vertical guide rail (31).