Clamping tool and sample adding clamping tool

By designing the fixing components and automatic opening and closing structure of the clamping fixture, the problem of gene chips falling off during flipping and insertion into the sequencer was solved, achieving stable clamping and reliable operation of gene chips in automated detection.

CN224199356UActive Publication Date: 2026-05-05SUZHOU GEENGA BIOMEDICAL ENG CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU GEENGA BIOMEDICAL ENG CO LTD
Filing Date
2025-04-02
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

During gene sequencing, gene chips are prone to falling off when flipped and inserted into the sequencer, and existing clamping fixtures cannot meet the needs of automated detection.

Method used

A clamping fixture was designed, including a fixing component, a top cover, a reset component, and a locking component. The top cover and the fixing component are connected by a rotating shaft. The top cover is automatically opened and locked using a torsion spring and a hook structure, ensuring that the gene chip does not fall off during the flipping process and can automatically adapt to the insertion of the detection equipment.

Benefits of technology

It achieves stable clamping of gene chips during flipping and insertion into sequencers, preventing them from falling out. It is suitable for automated gene sequencing equipment, improving the reliability and efficiency of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a clamping tool and sample loading clamping tool, the clamping tool comprises a fixing assembly, an upper cover, a reset assembly and a locking assembly, the fixing assembly comprises a fixing piece and a positioning piece, the fixing piece is provided with a mounting groove, the positioning piece is arranged in the mounting groove, and the positioning piece is provided with a positioning part used for positioning a clamped piece; one end of the upper cover is rotationally connected with the fixing piece and is used for switching between opening and closing of the mounting groove; the reset assembly is arranged between the upper cover and the fixing assembly and used for automatically opening the upper cover. The locking assembly is arranged between the upper cover and the fixing assembly, and the locking assembly is used for locking the closed upper cover; and when the upper cover is closed, the clamped piece is clamped between the positioning piece and the upper cover.
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Description

Technical Field

[0001] This utility model belongs to the field of gene sequencing technology, and in particular relates to a clamping fixture and a sample loading clamping fixture. Background Technology

[0002] Gene sequencing involves placing a gene chip into a gene sequencer for testing. In automated gene sequencing, the gene chip is first spotted onto a clamping fixture using an automated spotting device. Due to the requirements of the sequencer's inlet, the gene chip needs to be rotated 180° during the spotting step before being inserted into the sequencer for analysis. The gene chip must not fall off the clamping fixture during this rotation, and it must be able to detach from the fixture when inserted into the sequencer.

[0003] To achieve the above objectives, a clamping fixture needs to be designed. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a clamping fixture and a sample loading clamping fixture, which can clamp the gene chip and ensure that the gene chip will not fall off during the flipping process.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A clamping fixture, comprising:

[0007] A fixing component includes a fixing member and a positioning member. The fixing member has a mounting groove, and the positioning member is disposed in the mounting groove. The positioning member has a positioning part for positioning the clamped part.

[0008] The top cover, one end of which is rotatably connected to the fixing member, is used to switch between opening or closing the mounting slot;

[0009] A reset component is disposed between the upper cover and the fixing component, the reset component being used to automatically open the upper cover;

[0010] A locking assembly is disposed between the upper cover and the fixing assembly, the locking assembly being used to lock the closed upper cover;

[0011] When the top cover is closed, the clamped component is clamped between the positioning component and the top cover.

[0012] Preferably, the top cover and the fixing member are rotatably connected by a rotating shaft.

[0013] Preferably, the reset component includes:

[0014] A torsion spring mounting component is rotatably mounted on the rotating shaft, and the torsion spring mounting component is connected to the upper cover;

[0015] A torsion spring, which is sleeved on the rotating shaft and installed on the torsion spring mounting component.

[0016] Preferably, the locking component includes:

[0017] A first connector is disposed on the upper cover;

[0018] A second connector is disposed on the fixing component, and the first connector and the second connector can be engaged or disengaged.

[0019] Preferably, the first connector includes a hook, one end of which is connected to the upper cover and located on both sides of the clamped member;

[0020] The second connector includes a hook connector, and a sliding groove is provided on the fixing member below the positioning member, with one end of the hook connector extending into the sliding groove;

[0021] The hook connector has a slot, and the other end of the hook can be engaged in the slot.

[0022] Preferably, the positioning member is further provided with a first positioning groove, and the clamped member is provided with an end positioning protrusion that cooperates with the first positioning groove.

[0023] Preferably, the fastener has a clamping connection portion, through which an external device clamps the fastener.

[0024] A sample feeding clamping fixture includes a base, a sample feeding seat, and the clamping fixture. The base is provided with a second positioning groove, and the clamping fixture is placed in the second positioning groove.

[0025] The clamped part is provided with a sample feeding port, the sample feeding seat is located on one side of the sample feeding port, and the clamping fixture is located on the opposite side of the clamped part;

[0026] A side positioning protrusion is provided on the side wall of the end of the clamped part that extends out of the clamping fixture;

[0027] The sample dispensing holder is placed on the base, and the sample dispensing holder is provided with an opening positioning slot, and the side positioning protrusion is engaged in the opening positioning slot.

[0028] Preferably, the sample dispensing holder has a sample dispensing channel communicating with the sample dispensing port, and the diameter of the sample dispensing channel gradually decreases from the upper opening downwards.

[0029] Compared with the prior art, this utility model has the following advantages: In this utility model, the upper cover can rotate relative to the fixed component, and can be opened or closed. The reset component is used to automatically open the upper cover, and when the upper cover is closed, the locking component locks the upper cover. Furthermore, when the upper cover is locked, the clamped part is clamped between the positioning component and the upper cover. When the clamping fixture moves or flips the clamped part, it ensures that the clamped part will not fall off.

[0030] This clamping fixture can be used in automated equipment. After the clamped part is inserted into the testing equipment, the top cover can open automatically. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the clamping fixture in the closed state of this utility model;

[0032] Figure 2 This is a schematic diagram of the clamping fixture in the open state at the first angle.

[0033] Figure 3 This is a schematic diagram of the clamping fixture in the open state at the second angle.

[0034] Figure 4 This is a schematic diagram of the positioning component in this utility model;

[0035] Figure 5 This is a structural schematic diagram of the clamped component at the first angle in this utility model;

[0036] Figure 6 This is a structural schematic diagram of the second angle of the clamped component in this utility model;

[0037] Figure 7 This is a schematic diagram of the sample clamping fixture in this utility model;

[0038] Figure 8 This is a schematic diagram of the base structure in this utility model;

[0039] Figure 9 This is a schematic diagram of the sample clamping fixture in this utility model (excluding the sample holder);

[0040] Figure 10 This is a top view of the sample clamping fixture in this utility model;

[0041] Figure 11 In this utility model Figure 10 A schematic diagram of the AA-direction structure;

[0042] Figure 12 This is a structural schematic diagram of the sample loading seat at the first angle in this utility model;

[0043] Figure 13 This is a schematic diagram of the second angle of the sample loading seat in this utility model;

[0044] Figure 14 This is a cross-sectional view of the sample feeding holder in this utility model.

[0045] Among them, 1 is a fixing component; 11 is a fixing element; 10 is a mounting groove; 112 is a sliding groove; 113 is a limiting mounting hole; 12 is a positioning element; 121 is a positioning part; 122 is an arc surface; 123 is a first positioning groove; and 13 is a clamping hole.

[0046] 2. Top cover;

[0047] 3. Reset assembly; 31. Torsion spring mounting component; 32. Torsion spring;

[0048] 4. Locking assembly; 41. First connector; 411. Hook; 42. Second connector; 421. Hook connector; 4211. Slot; 4212. Limiting hole; 423. Spring;

[0049] 5. Clamped component; 51. End positioning protrusion; 52. Sample dispensing port; 53. Side positioning protrusion;

[0050] 6. Base; 61. Second positioning groove; 62. First observation window; 63. Second observation window; 64. Positioning wall; 65. Weight reduction hole;

[0051] 7. Sample holder; 71. Opening slot; 72. Sample dispensing channel; 73. Positioning slot;

[0052] 8. Shaft. Detailed Implementation

[0053] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0054] 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 claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0055] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0056] In the description of this utility model, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0057] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0058] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0059] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0060] like Figures 1-14As shown, this embodiment provides a sample clamping fixture, including a base 6, a sample feeding seat 7 and a clamping fixture. The base 6 is provided with a second positioning groove 61, and the clamping fixture is placed in the second positioning groove 61.

[0061] The clamped part 5 is provided with a sample feeding port 52, the sample feeding seat 7 is located on one side of the sample feeding port 52, and the clamping fixture is located on the opposite side of the clamped part 5.

[0062] A side positioning protrusion 53 is provided on the side wall of the end of the clamped part 5 that extends out of the clamping fixture.

[0063] The sample holder 7 is placed on the base 6. The sample holder 7 is provided with an opening positioning slot 71, and the side positioning protrusion 53 is engaged in the opening positioning slot 71.

[0064] In this embodiment, the clamping fixture is used to clamp the clamped part 5. The clamping fixture is placed in the second positioning groove 61 of the base 6. The base 6 positions the clamping fixture to ensure the positional accuracy of the clamped part 5.

[0065] The sample holder 7 is placed on the base 6. A side positioning protrusion 53 is provided on the side wall of the end of the clamped part 5 that extends out of the clamping fixture. An open positioning groove 71 is provided on the sample holder 7 to engage with the side positioning protrusion 53. The positional accuracy between the sample holder 7 and the clamped part 5 is ensured by the cooperation between the open positioning groove 71 and the side positioning protrusion 53.

[0066] After the position of the sample holder 7 is determined, the sample is added to the clamped part 5 through the sample holder 7. After the sample is added, the sample holder 7 is removed, and the clamping fixture clamps the clamped part 5 for inspection.

[0067] Preferably, the side positioning protrusion 53 is a cylinder provided on the side of the clamped part 5.

[0068] The aforementioned opening positioning slot 71 is a square slot with an opening facing downwards, located on the lower surface of the sample feeding base 7.

[0069] Preferably, the sample feeding seat 7 has a sample feeding channel 72 that communicates with the sample feeding port 52, and the diameter of the sample feeding channel 72 gradually decreases from the upper opening downwards.

[0070] Adding samples to the sample inlet 52 of the clamped component 5 via the sample addition channel 72 on the sample addition seat 7 makes sample addition more convenient.

[0071] Preferably, the base 6 has a weight-reducing hole 65 to reduce the weight of the base 6.

[0072] Preferably, a first observation window 62 is provided on the base 6. The position of the first observation window 62 is directly opposite to the side positioning protrusion 53. The first observation window 62 is used to observe whether the fit between the opening positioning slot 71 of the sample dispensing seat 7 and the side positioning protrusion 53 is in place.

[0073] In this embodiment, the clamped component 5 is provided with two sample feeding ports 52, and both sample feeding ports 52 can be used for sample feeding.

[0074] Preferably, a second observation window 63 is provided on the base 6, and the second observation window 63 is directly opposite the sample loading and detection area of ​​the clamped component 5. The second observation window 63 is used to observe whether the sample in the sample loading and detection area of ​​the clamped component 5 flows from one of the sample loading ports 52 to the other sample loading port 52.

[0075] Preferably, positioning walls 64 are provided on both sides of the base 6, the positioning walls 64 are located in front of the second positioning groove 61, and the sample feeding seat 7 is provided with a positioning slot 73, which is engaged with the positioning wall 64.

[0076] Preferably, the clamping fixture includes a fixing component 1, a top cover 2, a reset component 3, and a locking component 4. The fixing component 1 includes a fixing member 11 and a positioning member 12. The fixing member 11 has an installation groove 10, and the positioning member 12 is disposed in the installation groove 10. The positioning member 12 has a positioning part 121 for positioning the clamped part 5.

[0077] One end of the upper cover 2 is rotatably connected to the fixing member 11, which is used to switch between opening or closing the mounting slot 10.

[0078] The reset component 3 is located between the upper cover 2 and the fixing component 1. The reset component 3 is used to automatically open the upper cover 2 after the locking component 4 unlocks the upper cover 2.

[0079] The locking component 4 is disposed between the upper cover 2 and the fixing component 1, and the locking component 4 is used to lock the closed upper cover 2.

[0080] When the top cover 2 is closed, the clamped part 5 is clamped between the fixing component 1 and the top cover 2.

[0081] In this embodiment, the upper cover 2 is rotatable relative to the fixing component 1, and can be opened or closed. The reset component 3 is used to automatically open the upper cover 2, and when the upper cover 2 is closed, the locking component 4 locks the upper cover 2. When the upper cover 2 is locked, the clamped part 5 is clamped between the positioning component 12 and the upper cover 2. When the clamping fixture clamps the clamped part 5 for transfer or flipping, it ensures that the clamped part 5 will not fall off.

[0082] When the clamped part 5 is inserted into the testing device, the top cover 2 can open automatically.

[0083] In this embodiment, the clamping fixture and the clamped part 5 can only be inserted into the detection device for detection after they are simultaneously rotated 180°, ensuring that the position of the clamped part 5 does not change during the rotation process.

[0084] Preferably, the upper cover 2 and the fixing member 11 are rotatably connected by a rotating shaft 8. Connecting the upper cover 2 and the fixing member 11 by the rotating shaft 8 has a simple structure and is easy to process.

[0085] Preferably, the reset assembly 3 includes a torsion spring mounting member 31 and a torsion spring 32, wherein the torsion spring mounting member 31 is rotatably mounted on the rotating shaft 8 and connected to the upper cover 2. The torsion spring 32 is sleeved on the rotating shaft 8 and mounted on the torsion spring mounting member 31.

[0086] The torsion spring 32 drives the torsion spring mounting part 31 and the upper cover 2 to rotate synchronously along the rotating shaft 8, so that the upper cover 2 opens automatically. This structure is simple, easy to install, and low in cost.

[0087] In other embodiments, the reset assembly 3 may also include a gas spring, one end of which is connected to the top cover 2 and the other end is connected to the fixing member 11 or the positioning member 12.

[0088] Preferably, the locking assembly 4 includes a first connector 41 and a second connector 42, wherein the first connector 41 is disposed on the upper cover 2, and the second connector 42 is disposed on the fixing assembly 1, and the first connector 41 and the second connector 42 can be engaged or disengaged. The engagement of the first connector 41 and the second connector 42 is used to lock the upper cover 2.

[0089] Preferably, the first connector 41 includes a hook 411, one end of which is connected to the upper cover 2 and located on both sides of the clamped member 5.

[0090] The second connector 42 includes a hook connector 421. A sliding groove 112 is provided on the fixing member 11 below the positioning member 12, and one end of the hook connector 421 extends into the sliding groove 112.

[0091] The hook connector 421 has a slot 4211, and the other end of the hook 411 can be locked in the slot 4211.

[0092] The hook 411 and the hook connector 421 are connected by a snap-fit ​​to ensure that the top cover 2 is locked after it is closed.

[0093] The hook connector 421 has a limiting hole 4212, which is located in front of the slot 4211. The fixing member 11 has a limiting mounting hole 113, in which a limiting member is installed. The limiting member passes through the limiting hole 4212 to ensure that the stroke of the hook connector 421 is the length of the limiting hole 4212.

[0094] Preferably, a spring 423 is provided in the sliding groove 112. The spring 423 is located between the bottom of the sliding groove 112 and the end of the hook connector 421. The spring 423 pushes the hook connector 421 to move outward to the limit position of the limiting hole 4212. At this time, the hook 411 is engaged with the hook connector 421.

[0095] Preferably, the positioning member 12 is provided with two sets of positioning parts 121, which are spaced at a predetermined distance along the axial direction of the rotating shaft 8. The clamped member 5 is placed between the two sets of positioning parts 121, and the side of the clamped member 5 abuts against the side of the two sets of positioning parts 121 respectively. The side of the clamped member 5 is positioned by the positioning parts 121 on both sides.

[0096] Preferably, the edge of the top surface of the positioning part 121 near the clamped part 5 is an arc surface 122. When the clamped part 5 is placed between the two positioning parts 121, the arc surface 122 is provided to prevent scratching the clamped part 5. In addition, it also facilitates the clamped part 5 to enter between the two positioning parts 121.

[0097] Preferably, the positioning member 12 is further provided with a first positioning groove 123, and the clamped member 5 is provided with an end positioning protrusion 51 that cooperates with the first positioning groove 123.

[0098] In this embodiment, the first positioning groove 123 is provided to cooperate with the end positioning protrusion 51 provided on the clamped part 5, so as to further ensure the positional accuracy of the clamped part 5 on the positioning part 12.

[0099] In this embodiment, the first positioning groove 123 is located at one end of the positioning part 121 near the rotating shaft 8, and the length of the first positioning groove 123 is set along the axial direction of the rotating shaft 8.

[0100] The end positioning protrusion 51 is inserted into the first positioning groove 123 for positioning. When the upper cover 2 is closed, the clamped part 5 is clamped between the upper cover 2 and the positioning part 12. Through the cooperation between the end positioning protrusion 51 and the first positioning groove 123, it is ensured that the position of the clamped part 5 will not change during the movement.

[0101] Preferably, the fixing member 11 is provided with a clamping connection part 13, and the external device clamps the fixing member 11 through the clamping connection part 13.

[0102] When it is necessary to transfer the clamped part 5, the external device is connected to the clamping connection part 13 on the fixing part 11, and the clamping fixture and the clamped part 5 are moved or flipped by the external device.

[0103] In this embodiment, the clamping connection part is a clamping hole 13 provided on the side wall of the positioning part 121, and clamping holes 13 are provided on both symmetrical sides of the clamped part 5.

[0104] In this embodiment, the clamped component 5 is a gene chip.

[0105] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A clamping fixture, characterized in that, include: The fixing component (1) includes a fixing member (11) and a positioning member (12). The fixing member (11) has an installation groove (10) and the positioning member (12) is disposed in the installation groove (10). The positioning member (12) has a positioning part (121) for positioning the clamped part (5). The positioning part (121) is in two sets, and the clamped part (5) is disposed between the two sets of positioning parts (121); The top cover (2) is rotatably connected to the fixing member (11) at one end, and is used to switch between opening or closing the mounting slot (10); A reset component (3) is disposed between the upper cover (2) and the fixing component (1), the reset component (3) being used to automatically open the upper cover (2); A locking component (4) is disposed between the upper cover (2) and the fixing component (1), the locking component (4) being used to lock the closed upper cover (2); When the top cover (2) is closed, the clamped member (5) is clamped between the positioning member (12) and the top cover (2).

2. The clamping fixture according to claim 1, characterized in that, The upper cover (2) and the fixing member (11) are rotatably connected by a rotating shaft (8).

3. The clamping fixture according to claim 2, characterized in that, The reset component (3) includes: A torsion spring mounting component (31) is rotatably mounted on the rotating shaft (8), and the torsion spring mounting component (31) is connected to the upper cover (2); A torsion spring (32) is sleeved on the rotating shaft (8) and mounted on the torsion spring mounting member (31).

4. The clamping fixture according to any one of claims 1-3, characterized in that, The locking component (4) includes: A first connector (41) is disposed on the upper cover (2); A second connector (42) is disposed on the fixing component (1), wherein the first connector (41) and the second connector (42) can be engaged or disengaged.

5. The clamping fixture according to claim 4, characterized in that, The first connector (41) includes a hook (411), one end of which is connected to the upper cover (2) and located on both sides of the clamped member (5); The second connector (42) includes a hook connector (421), and a sliding groove (112) is provided on the fixing member (11) below the positioning member (12), and one end of the hook connector (421) extends into the sliding groove (112); The hook connector (421) has a slot (4211) and the other end of the hook (411) can be engaged in the slot (4211).

6. The clamping fixture according to any one of claims 1-3, characterized in that, The positioning member (12) is also provided with a first positioning groove (123), and the clamped member (5) is provided with an end positioning protrusion (51) that cooperates with the first positioning groove (123).

7. The clamping fixture according to any one of claims 1-3, characterized in that, The fixing member (11) is provided with a clamping connection part (13), and the external device clamps the fixing member (11) through the clamping connection part (13).

8. A sample-adding clamping fixture, characterized in that, Includes a base (6), a sample holder (7) and a clamping fixture as described in any one of claims 1-7, wherein the base (6) is provided with a second positioning groove (61) and the clamping fixture is placed in the second positioning groove (61); The clamped part (5) is provided with a sample feeding port (52), the sample feeding seat (7) is located on one side of the sample feeding port (52), and the clamping fixture is located on the opposite side of the clamped part (5). The clamped part (5) has a side positioning protrusion (53) on the side wall of the end of the clamping tool that extends out of the clamping tool; The sample feeding seat (7) is placed on the base (6), and the sample feeding seat (7) is provided with an opening positioning slot (71), and the side positioning protrusion (53) is engaged in the opening positioning slot (71).

9. The sample clamping fixture according to claim 8, characterized in that, The sample feeding seat (7) has a sample feeding channel (72) that communicates with the sample feeding port (52), and the diameter of the sample feeding channel (72) gradually decreases from the upper opening downwards.