TW202214350A - Liquid transfer device - Google Patents

Liquid transfer device Download PDF

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TW202214350A
TW202214350A TW110119748A TW110119748A TW202214350A TW 202214350 A TW202214350 A TW 202214350A TW 110119748 A TW110119748 A TW 110119748A TW 110119748 A TW110119748 A TW 110119748A TW 202214350 A TW202214350 A TW 202214350A
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Taiwan
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liquid
liquid taking
top wall
taking
transfer device
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TW110119748A
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Chinese (zh)
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TWI800842B (en
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鄭順耀
江哲維
張伃昇
王裕民
蔡佳樺
黃川慈
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富佳生技股份有限公司
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Abstract

A liquid transfer device comprises press mechanism and a liquid taking unit. The press mechanism comprises an upper shell and an extrusion part. The first top wall and the lower shell are surrounded to form a housing cavity, and the upper shell is housed in the housing cavity. The liquid taking unit comprises an elastic liquid taking pipe, a liquid taking head and a first connecting part. The liquid taking unit extends into the housing cavity from the second top wall. The elastic liquid taking pipe is arranged with the extrusion part. The first connection part is detachable on the second top wall, and the liquid taking head is located outside the storage cavity. The upper shell moves along the center axis of the housing cavity, which drives the extrusion part to move relative to the elastic liquid taking pipe, so that the extrusion part supports or releases the elastic liquid taking pipe to realize liquid transfer. The liquid transfer device has simple operation and can quantitatively absorb liquid. The liquid taking unit can be replaced, and the press mechanism can be reused to save cost.

Description

液體轉移裝置Liquid transfer device

本發明涉及液體轉移技術領域，尤其涉及一種液體轉移裝置。The present invention relates to the technical field of liquid transfer, in particular to a liquid transfer device.

習知的涉及生物反應的許多診斷測試需要在專業實驗室內完成，且設備複雜、體積大，成本高，操作複雜，尤其是樣本轉移以及加樣過程對操作人員的專業水準要求較高，需要由熟練的技術人員來操作，不能實現家庭可攜式檢測。Many conventional diagnostic tests involving biological reactions need to be completed in professional laboratories, and the equipment is complex, large in size, high in cost, and complicated in operation. It is operated by skilled technicians and cannot achieve home portable testing.

有鑑於此，為了解決上述缺陷的至少之一，有必要提供一種液體轉移裝置。In view of this, in order to solve at least one of the above drawbacks, it is necessary to provide a liquid transfer device.

本發明提供了一種液體轉移裝置，該液體轉移裝置包括按壓機構以及取液組件。所述按壓機構包括上殼體和下殼體，所述上殼體包括第一側壁及與所述第一側壁連接的第一頂壁，所述第一頂壁上設有一擠壓部，所述下殼體包括第二側壁及第二頂壁，所述第二側壁連接所述第二頂壁且圍設形成一容納腔，所述上殼體收容於所述容納腔內。所述取液組件包括取液管、取液頭及連通該取液管與該取液頭的第一連接部，所述取液組件用於由所述第二頂壁伸入所述容納腔，以使所述取液管對應所述擠壓部設置，所述第一連接部可拆卸地設置於所述第二頂壁，所述取液頭位於所述容納腔的外側。其中，所述上殼體用於沿所述容納腔的中心軸往復移動，進而帶動所述擠壓部相對所述取液管往復移動，使所述擠壓部抵持或鬆開所述取液管，以使所述取液管發生形變，從而使所述取液管釋放或吸取液體。The invention provides a liquid transfer device, which includes a pressing mechanism and a liquid taking assembly. The pressing mechanism includes an upper casing and a lower casing, the upper casing includes a first side wall and a first top wall connected with the first side wall, and a pressing portion is arranged on the first top wall, so The lower casing includes a second side wall and a second top wall, the second side wall is connected to the second top wall and forms a accommodating cavity, and the upper casing is accommodated in the accommodating cavity. The liquid-taking assembly includes a liquid-taking tube, a liquid-taking head, and a first connecting portion that communicates the liquid-taking tube and the liquid-taking head, and the liquid-taking assembly is used to extend into the accommodating cavity from the second top wall , so that the liquid taking tube is disposed corresponding to the pressing portion, the first connecting portion is detachably disposed on the second top wall, and the liquid taking head is located outside the accommodating cavity. Wherein, the upper casing is used for reciprocating movement along the central axis of the accommodating cavity, thereby driving the pressing portion to move back and forth relative to the liquid taking tube, so that the pressing portion abuts or releases the taking-out tube. The liquid pipe is deformed, so that the liquid pipe can release or absorb the liquid.

本申請實施方式中，所述下殼體還包括設置於所述第二頂壁上的第一取液通孔以及第二連接部，所述第二連接部設置於所述第二頂壁上且位於所述第一取液通孔的周圍，當所述取液管經由所述第一取液通孔伸入所述容納腔時，所述第一連接部與所述第二連接部可拆卸連接。In the embodiment of the present application, the lower casing further includes a first liquid-taking through hole and a second connecting portion disposed on the second top wall, and the second connecting portion is disposed on the second top wall and is located around the first liquid taking through hole, when the liquid taking tube extends into the accommodating cavity through the first liquid taking through hole, the first connecting part and the second connecting part can be connected. Remove the connection.

本申請實施方式中，所述第一連接部與所述第二連接部卡合連接或螺紋連接。In the embodiment of the present application, the first connection portion and the second connection portion are connected in a snap connection or screw connection.

本申請實施方式中，所述第一連接部包括連接部本體、設置於所述連接部本體上的第一卡位、設置於連接部本體上的導桿以及設置於所述導桿上的卡勾。所述第二連接部包括貫穿所述第二頂壁的第一卡口、貫穿所述第二頂壁且與所述第一卡口連通的第二卡口以及第二卡位。其中，所述導桿由所述第二頂壁伸入所述第一卡口並卡入所述第二卡口內，所述卡勾卡在所述第二卡位靠近所述容納腔的一側，所述第一卡位卡在所述第二卡位遠離所述容納腔的一側，以使所述第一連接部與所述第二連接部可拆卸連接。In an embodiment of the present application, the first connecting portion includes a connecting portion body, a first latching position disposed on the connecting portion body, a guide rod disposed on the connecting portion body, and a clip disposed on the guide rod hook. The second connecting portion includes a first bayonet penetrating the second top wall, a second bayonet penetrating the second top wall and communicating with the first bayonet, and a second bayonet. Wherein, the guide rod extends into the first bayonet from the second top wall and is clamped into the second bayonet, and the latching hook is clamped in the second bayonet near the accommodating cavity. On one side, the first detent is clamped on the side of the second detent away from the accommodating cavity, so that the first connecting portion and the second connecting portion are detachably connected.

本申請實施方式中，所述擠壓部包括第三側壁，所述第三側壁一端與所述第一頂壁連接，所述第三側壁圍設形成第二取液通孔，所述第二取液通孔與所述第一取液通孔連通且均與所述容納腔同軸；所述第二取液通孔的孔徑沿遠離所述第二取液通孔的方向遞減，所述取液管用於伸入或退出所述第二取液通孔，所述第三側壁用於抵持或鬆開所述取液管。In the embodiment of the present application, the pressing portion includes a third side wall, one end of the third side wall is connected to the first top wall, the third side wall surrounds a second liquid taking through hole, the second The liquid taking through hole is communicated with the first liquid taking through hole and both are coaxial with the accommodating cavity; the diameter of the second liquid taking through hole decreases along the direction away from the second liquid taking through hole, and the The liquid pipe is used for extending into or out of the second liquid taking through hole, and the third side wall is used for abutting or releasing the liquid taking pipe.

本申請實施方式中，所述取液管沿垂直所述容納腔的中心軸方向的內徑由靠近所述取液頭的一端至遠離所述取液頭的一端遞減。In the embodiment of the present application, the inner diameter of the liquid taking tube along the direction perpendicular to the central axis of the accommodating cavity decreases from the end close to the liquid taking head to the end far from the liquid taking head.

本申請實施方式中，所述第三側壁的內表面設置有擠壓塊，所述擠壓塊用於抵持或鬆開所述取液管。In the embodiment of the present application, an inner surface of the third side wall is provided with a pressing block, and the pressing block is used to abut or loosen the liquid taking tube.

本申請實施方式中，所述按壓機構還包括套容置於所述容納腔內的彈性件，所述彈性件一端抵持所述第一頂壁，另一端抵持所述第二頂壁，所述彈性件的彈性恢復力用於使所述上殼體遠離所述下殼體移動。In the embodiment of the present application, the pressing mechanism further includes an elastic member that is accommodated in the accommodating cavity, one end of the elastic member is pressed against the first top wall, and the other end of the elastic member is pressed against the second top wall, The elastic restoring force of the elastic member is used to move the upper casing away from the lower casing.

本申請實施方式中，所述彈性件為多個，多個所述彈性件圍繞所述取液管設置，或所述彈性件套設於所述擠壓部的外側。In the embodiment of the present application, there are a plurality of the elastic members, and the plurality of the elastic members are arranged around the liquid taking tube, or the elastic members are sleeved on the outer side of the pressing portion.

本申請實施方式中，所述液體轉移裝置還包括按壓鍵，所述按壓鍵設置於所述上殼體遠離所述下殼體的一端。In an embodiment of the present application, the liquid transfer device further includes a pressing key, and the pressing key is disposed at an end of the upper casing away from the lower casing.

相較於習知技術，本發明提供的液體轉移裝置結構簡單，操作簡便，能夠實現定量吸取液體，可以實現微量液體的轉移；且取液組件與按壓機構可拆卸設置，按壓機構可以多次使用，取液組件為一次性耗材，能隨時更換，節約成本。Compared with the prior art, the liquid transfer device provided by the present invention has a simple structure and simple operation, can achieve quantitative liquid absorption, and can realize the transfer of a small amount of liquid; and the liquid sampling assembly and the pressing mechanism can be detachably arranged, and the pressing mechanism can be used multiple times. , The liquid collection component is a one-time consumable, which can be replaced at any time, saving costs.

下面將結合本發明實施例中的附圖，對本發明實施例中的技術方案進行清楚、完整地描述，顯然，所描述的實施例僅僅是本發明一部分實施例，而不是全部的實施例。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

需要說明的是，當組件被稱為“固定於”另一個組件，它可以直接在另一個組件上或者也可以存在居中的組件。當一個組件被認為是“連接”另一個組件，它可以是直接連接到另一個組件或者可能同時存在居中組件。當一個組件被認為是“設置於”另一個組件，它可以是直接設置在另一個組件上或者可能同時存在居中組件。本文所使用的術語“垂直的”、“水平的”、“左”、“右”以及類似的表述只是為了說明的目的。It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may also be a centered component. When a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a co-existence of an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

以下所描述的系統實施方式僅僅是示意性的，所述模組或電路的劃分，僅僅為一種邏輯功能劃分，實際實現時可以有另外的劃分方式。此外，顯然“包括”一詞不排除其他單元或步驟，單數不排除複數。系統請求項中陳述的多個單元或裝置也可以由同一個單元或裝置藉由軟體或者硬體來實現。第一，第二等詞語用來表示名稱，而並不表示任何特定的順序。The system implementations described below are only illustrative, and the division of the modules or circuits is only a logical function division, and other division methods may be used in actual implementation. Furthermore, it is clear that the word "comprising" does not exclude other units or steps and the singular does not exclude the plural. Multiple units or means stated in the system claim may also be implemented by the same unit or means through software or hardware. The terms first, second, etc. are used to denote names and do not denote any particular order.

除非另有定義，本文所使用的所有的技術和科學術語與屬於本發明的技術領域的技術人員通常理解的含義相同。本文中在本發明的說明書中所使用的術語只是為了描述具體的實施例的目的，不是旨在於限制本發明。本文所使用的術語“及／或”包括一個或多個相關的所列項目的任意的和所有的組合。Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

請參閱圖1至圖6所示，為本發明實施例提供的一種液體轉移裝置100，該液體轉移裝置100包括按壓機構10以及取液組件3。該按壓機構10包括上殼體1和下殼體2，該上殼體1包括第一側壁11及與第一側壁11連接的第一頂壁13，該第一頂壁13上設有一擠壓部12，該下殼體2包括第二側壁21及第二頂壁22，該第二側壁21連接該第二頂壁22且圍設形成一容納腔4，該上殼體1收容於該容納腔4內。該取液組件3包括取液管31、取液頭32及連通該取液管31與該取液頭32的第一連接部33，該取液組件3用於由第二頂壁22遠離容納腔4的一側伸入該容納腔4，以使該取液管31對應擠壓部12設置，該第一連接部33可拆卸地設置於第二頂壁22，該取液頭32位於該第二頂壁22遠離該容納腔4的一側。其中，上殼體1用於沿容納腔4的中心軸a往復移動，進而帶動擠壓部12相對取液管31往復移動，使擠壓部12抵持或鬆開取液管31，以使取液管31發生形變，從而使所述取液管31釋放或吸取液體。本發明按壓機構10預先組裝好，取液組件3從按壓機構10的外側由第一取液通孔23伸入容納腔4，實現可拆卸地安裝在按壓機構10上，方便隨時更換取液組件3。具體地，取液組件3可以是一次性消耗品，根據實際需要隨時更換取液組件3，按壓機構10可以重複使用，能夠降低成本。Please refer to FIG. 1 to FIG. 6 , which are a liquid transfer device 100 provided in an embodiment of the present invention. The liquid transfer device 100 includes a pressing mechanism 10 and a liquid taking assembly 3 . The pressing mechanism 10 includes an upper casing 1 and a lower casing 2. The upper casing 1 includes a first side wall 11 and a first top wall 13 connected to the first side wall 11. The first top wall 13 is provided with a pressing Part 12, the lower casing 2 includes a second side wall 21 and a second top wall 22, the second side wall 21 is connected to the second top wall 22 and surrounds a receiving cavity 4, the upper casing 1 is received in the receiving in cavity 4. The liquid taking assembly 3 includes a liquid taking pipe 31 , a liquid taking head 32 and a first connection part 33 connecting the liquid taking pipe 31 and the liquid taking head 32 , and the liquid taking assembly 3 is used to be stored away from the second top wall 22 One side of the cavity 4 extends into the accommodating cavity 4, so that the liquid taking tube 31 is disposed corresponding to the pressing portion 12, the first connecting portion 33 is detachably disposed on the second top wall 22, and the liquid taking head 32 is located in the The second top wall 22 is away from the side of the accommodating cavity 4 . The upper casing 1 is used to move back and forth along the central axis a of the accommodating cavity 4, thereby driving the extruding portion 12 to move back and forth relative to the liquid taking pipe 31, so that the extruding portion 12 abuts or releases the liquid taking pipe 31, so that the The liquid taking tube 31 is deformed, so that the liquid taking tube 31 releases or absorbs the liquid. The pressing mechanism 10 of the present invention is pre-assembled, and the liquid-taking assembly 3 extends from the outside of the pressing mechanism 10 through the first liquid-taking through hole 23 into the accommodating cavity 4, so as to be detachably installed on the pressing mechanism 10, and it is convenient to replace the liquid-taking assembly at any time. 3. Specifically, the liquid taking assembly 3 can be a disposable consumable, and the liquid taking assembly 3 can be replaced at any time according to actual needs, and the pressing mechanism 10 can be reused, which can reduce the cost.

請參閱圖10與圖11，該下殼體2還包括設置於該第二頂壁22上的第一取液通孔23以及第二連接部24，該第二連接部24設置於該第二頂壁22上且位於該第一取液通孔23的周圍。當取液管31經由第一取液通孔23伸入該容納腔4時，第一連接部33與第二連接部24可拆卸連接。Please refer to FIG. 10 and FIG. 11 , the lower casing 2 further includes a first liquid-taking through hole 23 and a second connecting portion 24 disposed on the second top wall 22 , and the second connecting portion 24 is disposed on the second top wall 22 . The top wall 22 is located around the first liquid taking through hole 23 . When the liquid taking tube 31 extends into the accommodating cavity 4 through the first liquid taking through hole 23 , the first connecting portion 33 and the second connecting portion 24 are detachably connected.

本實施方式中，所述第一連接部33包括連接部本體331、設置於連接部本體331上的第一卡位332、設置於連接部本體331上的導向桿333以及設置於導向桿333上的卡勾334。第二連接部24包括貫穿第二頂壁22的第一卡口241、貫穿第二頂壁22且與第一卡口241連通的第二卡口242以及第二卡位243。其中，導向桿333由第二頂壁22遠離容納腔4的一側伸入第一卡口241並卡入第二卡口242內，所述卡勾334卡在第二卡位243靠近容納腔4的一側，第一卡位332卡在第二卡位243遠離容納腔4的一側，此時，第一卡位332和卡勾334從第二卡位243相對的兩側將第二卡位243卡住，從而使第一連接部33與第二連接部24可拆卸連接。In this embodiment, the first connecting portion 33 includes a connecting portion body 331 , a first latching position 332 disposed on the connecting portion body 331 , a guide rod 333 disposed on the connecting portion body 331 , and a guide rod 333 disposed on the connecting portion body 331 . The card hook 334. The second connecting portion 24 includes a first bayonet 241 penetrating the second top wall 22 , a second bayonet 242 penetrating the second top wall 22 and communicating with the first bayonet 241 , and a second bayonet 243 . The guide rod 333 extends from the side of the second top wall 22 away from the accommodating cavity 4 into the first bayonet 241 and is clamped into the second bayonet 242 , and the latching hook 334 is stuck in the second bayonet 243 close to the accommodating cavity 4 side, the first card position 332 is locked on the side of the second card position 243 away from the accommodating cavity 4, at this time, the first card position 332 and the hook 334 from the opposite sides of the second card position 243 to the second card position 243. The clamping position 243 is stuck, so that the first connecting portion 33 and the second connecting portion 24 are detachably connected.

另一實施方式中，第一連接部33的外側壁設置有外螺紋，第二連接部24靠近第一取液通孔23的側壁設置有內螺紋，以使第一連接部33與第二連接部24螺紋連接。In another embodiment, the outer side wall of the first connection part 33 is provided with an external thread, and the side wall of the second connection part 24 close to the first liquid taking through hole 23 is provided with an inner thread, so that the first connection part 33 is connected with the second connection part 33. Section 24 is threaded.

請參閱圖8與圖9，結合參閱圖4與圖5，該擠壓部12包括第三側壁121。該第三側壁121一端與該第一頂壁13連接。該第三側壁121圍設形成第二取液通孔122，第二取液通孔122與第一取液通孔23同軸。該第二取液通孔122的孔徑沿遠離該第一取液通孔23的方向遞減。該取液管31用於經由該第一取液通孔23伸入或退出該第二取液通孔122，該第三側壁121用於抵持或鬆開該取液管31的側壁，以使該取液管31變形或恢復形變以釋放液體或吸取液體。Please refer to FIG. 8 and FIG. 9 , and in conjunction with FIG. 4 and FIG. 5 , the pressing portion 12 includes a third side wall 121 . One end of the third side wall 121 is connected to the first top wall 13 . The third side wall 121 surrounds and forms a second liquid taking through hole 122 , and the second liquid taking through hole 122 is coaxial with the first liquid taking through hole 23 . The diameter of the second liquid taking through hole 122 decreases in the direction away from the first liquid taking through hole 23 . The liquid taking tube 31 is used for extending into or out of the second liquid taking through hole 122 through the first liquid taking through hole 23 , and the third side wall 121 is used for abutting or loosening the side wall of the liquid taking tube 31 to The liquid taking tube 31 is deformed or deformed to release the liquid or absorb the liquid.

本實施方式中，該第三側壁121靠近該第二取液通孔122的表面設置有擠壓塊123。該取液管31依次穿過該第一取液通孔23和容納腔4，最後伸入該第二取液通孔122，該擠壓塊123抵持該取液管31的側壁，以使該取液管31變形，排出該取液管31內部的空氣或液體。當該取液管31反向退出該第二取液通孔122後，該取液管31恢復形變以吸取液體。In this embodiment, a pressing block 123 is provided on the surface of the third side wall 121 close to the second liquid-taking through hole 122 . The liquid taking tube 31 passes through the first liquid taking through hole 23 and the accommodating cavity 4 in sequence, and finally extends into the second liquid taking through hole 122. The pressing block 123 abuts the side wall of the liquid taking tube 31, so that The liquid taking tube 31 is deformed, and the air or liquid inside the liquid taking tube 31 is discharged. After the liquid taking tube 31 exits the second liquid taking through hole 122 in reverse, the liquid taking tube 31 restores its deformation to absorb the liquid.

本實施方式中，該擠壓塊123的數量為兩個，兩個該擠壓塊123分別設置於該第三側壁121相對的內表面，兩擠壓塊123用於從取液管31相對的兩側擠壓該取液管31，可以使該取液管31變形均勻，藉由取液管31的形變量可以實現定量取液，而取液管31的形變量可以藉由兩擠壓塊123之間的距離來設定。可以理解的是，該擠壓塊123還可以設置成一體式的擠壓塊123，即在第三側壁121設置一圈擠壓塊123。In this embodiment, the number of the pressing blocks 123 is two, and the two pressing blocks 123 are respectively disposed on the opposite inner surfaces of the third side wall 121 . Squeezing the liquid taking tube 31 on both sides can make the liquid taking tube 31 deform evenly, and quantitative liquid taking can be realized by the deformation amount of the liquid taking tube 31, and the deformation amount of the liquid taking tube 31 can be obtained by two extrusion blocks. The distance between 123 is set. It can be understood that the pressing block 123 can also be provided as an integral pressing block 123 , that is, a ring of pressing blocks 123 is provided on the third side wall 121 .

請參閱圖8與圖9，該上殼體1還包括設置於第一側壁11遠離第一頂壁13一端的第四側壁14以及連接該第四側壁14和該第一側壁11的平臺部15。下殼體2的第二側壁21套設在上殼體1的第一側壁11外側，第二側壁21的端面抵持該平臺部15，在上殼體1沿容納腔4的中心軸a相對下殼體2往復移動時起到限位的作用。Please refer to FIG. 8 and FIG. 9 , the upper casing 1 further includes a fourth side wall 14 disposed at one end of the first side wall 11 away from the first top wall 13 and a platform portion 15 connecting the fourth side wall 14 and the first side wall 11 . The second side wall 21 of the lower casing 2 is sleeved on the outside of the first side wall 11 of the upper casing 1 , the end face of the second side wall 21 abuts against the platform portion 15 , and is opposite to the upper casing 1 along the central axis a of the receiving cavity 4 When the lower casing 2 moves back and forth, it acts as a limiter.

請參閱圖8與圖9，該上殼體1還包括設置於該第一頂壁13上的定位通孔16以及設置於第一側壁11外表面的滑槽17。該下殼體2的第二側壁21對應該滑槽17設置有導向條25，該導向條25能夠卡入滑槽17內。該下殼體2的第二頂壁22對應定位通孔16設置有定位桿26，定位桿26能夠伸入定位通孔16內並卡在第二頂壁22的表面。在上殼體1相對下殼體2往復移動時，導向條25能夠沿滑槽17移動，定位桿26能夠沿定位通孔16移動，從而使上殼體1和下殼體2不會脫離。Please refer to FIGS. 8 and 9 , the upper casing 1 further includes a positioning through hole 16 disposed on the first top wall 13 and a sliding groove 17 disposed on the outer surface of the first side wall 11 . The second side wall 21 of the lower housing 2 is provided with a guide bar 25 corresponding to the chute 17 , and the guide bar 25 can be snapped into the chute 17 . The second top wall 22 of the lower casing 2 is provided with a positioning rod 26 corresponding to the positioning through hole 16 . The positioning rod 26 can extend into the positioning through hole 16 and be clamped on the surface of the second top wall 22 . When the upper casing 1 reciprocates relative to the lower casing 2 , the guide bar 25 can move along the chute 17 , and the positioning rod 26 can move along the positioning through hole 16 , so that the upper casing 1 and the lower casing 2 will not be separated.

請參閱圖3、圖6與圖7，該按壓機構10還包括彈性件5。該彈性件5一端抵持該第一頂壁13，另一端抵持該第二頂壁22。在上殼體1相對下殼體2向下移動的過程中，該彈性件5被壓縮，當鬆開上殼體1後，彈性件5恢復形變，彈性件5的形變恢復力帶動該上殼體1自動歸位。該彈性件5可以在組裝按壓機構10時安裝在容納腔4內，不會影響後期更換取液組件3。Please refer to FIG. 3 , FIG. 6 and FIG. 7 , the pressing mechanism 10 further includes an elastic member 5 . One end of the elastic member 5 abuts against the first top wall 13 , and the other end against the second top wall 22 . During the downward movement of the upper casing 1 relative to the lower casing 2, the elastic member 5 is compressed. When the upper casing 1 is released, the elastic member 5 recovers its deformation, and the deformation restoring force of the elastic member 5 drives the upper casing. Body 1 automatically returns. The elastic member 5 can be installed in the accommodating cavity 4 when the pressing mechanism 10 is assembled, and will not affect the later replacement of the liquid taking assembly 3 .

本實施方式中，該彈性件5可以是彈簧，為了固定該彈性件5，該第一頂壁13上設置有第一定位槽18，該第二頂壁22上設置有彈簧導桿27，該彈簧導桿27能夠伸入該第一定位槽18內。該彈性件5一端套設於該彈簧導桿27上，另一端伸入該第一定位槽18內。該第一定位槽18的深度與該彈簧導桿27的高度之和等於該彈性件5自然狀態下的長度，當上殼體1帶動第一定位槽18朝向彈簧導桿27移動，彈簧導桿27伸入第一定位槽18內，彈性件5被壓縮，這樣第一定位槽18能夠對彈性件5未套設在彈簧導桿27的部分起到限位元的作用，避免在彈性件5壓縮的過程中出現偏移。In this embodiment, the elastic member 5 may be a spring. In order to fix the elastic member 5 , the first top wall 13 is provided with a first positioning groove 18 , and the second top wall 22 is provided with a spring guide rod 27 . The spring guide rod 27 can extend into the first positioning groove 18 . One end of the elastic member 5 is sleeved on the spring guide rod 27 , and the other end extends into the first positioning groove 18 . The sum of the depth of the first positioning groove 18 and the height of the spring guide rod 27 is equal to the length of the elastic member 5 in its natural state. When the upper casing 1 drives the first positioning groove 18 to move toward the spring guide rod 27, the spring guide rod 27 extends into the first positioning groove 18, and the elastic member 5 is compressed, so that the first positioning groove 18 can act as a limiting element for the part of the elastic member 5 that is not sleeved on the spring guide rod 27, so as to avoid the elastic member 5 Offset occurs during compression.

本實施方式中，該彈性件5可以是多個，多個彈性件5圍繞取液管31設置，可以平衡按壓力，從而使取液管31所受到的擠壓力均勻，有助於定量取液。In this embodiment, the number of elastic members 5 can be multiple, and the multiple elastic members 5 are arranged around the liquid sampling tube 31, which can balance the pressing force, so that the squeezing force received by the liquid sampling tube 31 is uniform, which is helpful for quantitative extraction. liquid.

另一實施方式中，所述第一頂壁13朝向背離所述容納腔4的一側凸起形成第二定位槽19，擠壓部12貫穿第二定位槽19的底部，彈性件5套設於擠壓部12的外部並嵌入第二定位槽19內，一端抵持第二定位槽19的底表面，另一端抵持第二頂壁22。在安裝取液組件3時，取液管31經由第一取液通孔23穿過彈性件5伸入擠壓部12的第二取液通孔123。如此設計，在更換取液組件3時，彈性件5不受影響。可以理解的是，如圖7所示，也可以同時在第一定位槽18和第二定位槽19內設置彈性件5，可以使上殼體1在向下移動時，擠壓部12對取液管31的擠壓力更均衡，提高取液精度。In another embodiment, the first top wall 13 protrudes toward the side away from the accommodating cavity 4 to form a second positioning groove 19 , the pressing portion 12 penetrates the bottom of the second positioning groove 19 , and the elastic member 5 is sleeved It is located outside the pressing portion 12 and is embedded in the second positioning groove 19 , one end of which is pressed against the bottom surface of the second positioning groove 19 , and the other end is pressed against the second top wall 22 . When installing the liquid taking assembly 3 , the liquid taking tube 31 extends through the elastic member 5 through the first liquid taking through hole 23 and extends into the second liquid taking through hole 123 of the pressing part 12 . With this design, when the liquid taking assembly 3 is replaced, the elastic member 5 is not affected. It can be understood that, as shown in FIG. 7 , the elastic member 5 can also be arranged in the first positioning groove 18 and the second positioning groove 19 at the same time, so that when the upper casing 1 moves downward, the pressing part 12 is opposite to each other. The squeezing force of the liquid pipe 31 is more balanced, and the precision of liquid taking is improved.

請參閱圖12，結合參閱圖4與圖5，該取液管31為一端開口的中空管狀結構且橫截面大致為一圓形，該第一連接部33大致為一圓環，該取液頭32為兩端開口的中空管狀結構，第一連接部33一端與該取液頭32的一端連接，另一端與該取液管31的開口端連接，以使該取液管31藉由第一連接部33與該取液頭32連通。Please refer to FIG. 12 , in conjunction with FIG. 4 and FIG. 5 , the liquid taking tube 31 is a hollow tubular structure with one end open and the cross-section is approximately a circle, the first connecting portion 33 is approximately a ring, the liquid taking head 32 is a hollow tubular structure with openings at both ends, one end of the first connecting portion 33 is connected with one end of the liquid taking head 32, and the other end is connected with the open end of the liquid taking pipe 31, so that the liquid taking pipe 31 is connected by the first The connecting portion 33 communicates with the liquid sampling head 32 .

本實施方式中，該第一連接部33與取液頭32為一體結構，該取液管31可拆卸地安裝在第一連接部33上，從而使取液頭32與取液管31連通。具體地，可以藉由注塑成型工藝將取液組件3一起成型，注塑過程中，成型第一連接部33和取液頭32的型腔與成型取液管31的型腔連通，可以同時進行注塑成型，縮短成型週期，提供效率，同時降低取液組件3的製造成本。成型後，取液管31的開口端與第一連接部33的連接部本體331藉由一塑膠條連接，在使用時可以將塑膠條弄斷，將取液管31蓋在第一連接部33處，組裝得到取液組件3，待用。In this embodiment, the first connecting portion 33 and the liquid taking head 32 are integrally constructed, and the liquid taking pipe 31 is detachably mounted on the first connecting portion 33 , so that the liquid taking head 32 and the liquid taking pipe 31 are communicated. Specifically, the liquid sampling assembly 3 can be molded together by an injection molding process. During the injection molding process, the cavity for molding the first connecting portion 33 and the liquid sampling head 32 is communicated with the cavity for molding the liquid sampling tube 31, and the injection molding can be performed at the same time. molding, shorten the molding cycle, improve efficiency, and reduce the manufacturing cost of the liquid sampling assembly 3 at the same time. After molding, the open end of the liquid taking tube 31 is connected with the connecting part body 331 of the first connecting part 33 by a plastic strip, the plastic strip can be broken during use, and the liquid taking tube 31 is covered on the first connecting part 33 , assemble to obtain the liquid taking assembly 3, which is ready for use.

本實施方式中，該取液管31為橡膠材質，可以將取液管31的開口端外徑設計的比第一連接部33的內徑略大，使二者藉由過盈配合實現密封連接。In this embodiment, the liquid sampling tube 31 is made of rubber, and the outer diameter of the open end of the liquid sampling tube 31 can be designed to be slightly larger than the inner diameter of the first connecting portion 33, so that the two can be sealed by interference fit. .

本實施方式中，該取液管31沿垂直該容納腔4的中心軸a的橫截面由靠近該取液頭32一端至遠離該取液頭32的一端逐漸減小，即該取液管31大致呈一倒置的圓錐體結構。In this embodiment, the cross section of the liquid taking tube 31 along the center axis a perpendicular to the receiving cavity 4 gradually decreases from the end close to the liquid taking head 32 to the end far from the liquid taking head 32 , that is, the liquid taking tube 31 Roughly in the shape of an inverted cone.

請參閱圖1至圖3，該取液組件3還包括取液頭蓋34，取液頭蓋34用於蓋在取液頭32遠離取液管31的一端，防止取液頭32被污染。Referring to FIGS. 1 to 3 , the liquid taking assembly 3 further includes a liquid taking head cover 34 , which is used to cover the end of the liquid taking head 32 away from the liquid taking pipe 31 to prevent the liquid taking head 32 from being polluted.

可以理解的是，在另一實施方式中，該取液組件3的取液頭（圖未示）也可以為一端開口，另一端封閉的管狀結構，取液頭的開口端與第一連接部33連接，進而與取液管31連通，在使用時將取液頭的封閉端折斷***液體進行取液，取液頭的上述設計避免單獨設計取液頭蓋，取液頭一次開模成型便可，有利於降低成本。It can be understood that, in another embodiment, the liquid taking head (not shown) of the liquid taking assembly 3 can also be a tubular structure with one end open and the other end closed, and the open end of the liquid taking head is connected to the first connecting part. 33 is connected, and then communicated with the liquid taking pipe 31, when in use, the closed end of the liquid taking head is broken and inserted into the liquid to carry out liquid taking. , which helps to reduce costs.

請參閱圖4，該液體轉移裝置100還包括按壓鍵6，該按壓鍵6蓋在上殼體1的第四側壁14遠離第一側壁11的一端，用於與上殼體1卡合，藉由按壓該按壓鍵6從而實現上殼體1相對下殼體2運動的目的。Referring to FIG. 4 , the liquid transfer device 100 further includes a pressing key 6 , the pressing key 6 is covered on the end of the fourth side wall 14 of the upper casing 1 away from the first side wall 11 , and is used for engaging with the upper casing 1 , thereby The purpose of moving the upper casing 1 relative to the lower casing 2 is achieved by pressing the pressing key 6 .

請參閱圖13，結合參閱圖3至圖5，該液體轉移裝置100的具體組裝過程如下：Please refer to FIG. 13 , in conjunction with FIG. 3 to FIG. 5 , the specific assembly process of the liquid transfer device 100 is as follows:

第一步，組裝按壓機構10，先將彈性件5放入下殼體2內，再將上殼體1與下殼體2卡合好，使彈性件5固定住，之後將按壓鍵6安裝在上殼體1上。The first step is to assemble the pressing mechanism 10, first put the elastic member 5 into the lower casing 2, then snap the upper casing 1 and the lower casing 2 together to fix the elastic member 5, and then install the pressing key 6 on the upper casing 1.

第二步，組裝取液組件3，將取液管31與第一連接部33之間的塑膠條弄斷，將取液管31蓋在第一連接部33處。The second step is to assemble the liquid taking assembly 3 , break the plastic strip between the liquid taking tube 31 and the first connecting portion 33 , and cover the liquid taking tube 31 at the first connecting portion 33 .

第三步，將取液組件3經由第一取液通孔23伸入按壓機構10的容納腔4，並將第一連接部33與下殼體2的第二連接部24卡合，將取液組件3固定在按壓機構10上，完成組裝。In the third step, the liquid taking assembly 3 is inserted into the accommodating cavity 4 of the pressing mechanism 10 through the first liquid taking through hole 23, and the first connecting portion 33 is engaged with the second connecting portion 24 of the lower casing 2, and the taking The liquid assembly 3 is fixed on the pressing mechanism 10 to complete the assembly.

另外，當一次取液完成後，需要更換取液組件3，可以將取液組件3從按壓機構10上取下，更換新的取液組件3，安裝方法同上。In addition, when one liquid collection is completed, the liquid collection assembly 3 needs to be replaced. The liquid collection assembly 3 can be removed from the pressing mechanism 10 and replaced with a new liquid collection assembly 3. The installation method is the same as above.

請再次參閱圖4與圖5，使用時，按壓按壓鍵6，可以將上殼體1向下按，使第一側壁11沿第二側壁21向下移動，擠壓部12相對取液管31向下移動，此時，彈性件5被壓縮，擠壓塊123按壓取液管31，將取液管31內部的空氣排出；將取液頭32的一端***液體中，放開按壓鍵6，上殼體1在彈性件5的回彈力帶動下恢復至原位，擠壓塊123相對取液管31向上移動鬆開取液管31，檢測液將被吸入取液管31內，實現定量取液的目的。再次按壓按壓鍵6可以將取液管31內的液體釋放。Please refer to FIG. 4 and FIG. 5 again. When in use, press the button 6 to push down the upper casing 1 , so that the first side wall 11 moves down along the second side wall 21 , and the pressing part 12 is opposite to the liquid taking tube 31 . Move downward, at this time, the elastic member 5 is compressed, the pressing block 123 presses the liquid taking tube 31, and the air inside the liquid taking tube 31 is discharged; insert one end of the liquid taking head 32 into the liquid, release the pressing button 6, The upper casing 1 is restored to its original position by the elastic force of the elastic member 5, and the pressing block 123 moves upward relative to the liquid taking pipe 31 to loosen the liquid taking pipe 31, and the detection liquid will be sucked into the liquid taking pipe 31 to realize quantitative taking. purpose of the liquid. Pressing the button 6 again can release the liquid in the liquid taking tube 31 .

請參閱圖4與圖5，具體地液體轉移裝置100定量取液的原理是：取液管31的錐型部分遠離取液頭32的一端的內徑d1小，稱為小內徑端b，靠近取液頭32的一端的內徑d2大，稱為大內徑端c。如圖4所示，當取液管31未被壓縮時，其小內徑端b處位於兩擠壓塊123的底部，兩擠壓塊123的表面接觸取液管31的頂端。如圖5所示，當上殼體1向下移動，取液管31的小內徑端b處伸入第二取液通孔122內，取液管31伸入兩擠壓塊123之間，兩擠壓快123擠壓取液管31的側壁，從而取液管31被壓縮，取液管31進一步伸入第二取液通孔122內，一直到兩擠壓快123擠壓到取液管31的大內徑端c，進而將取液管31內部的定量空氣排出。將取液頭32***液體內部後，鬆開上殼體1，彈性件5的回彈力將上殼體1彈回原位，從而取液管31由兩擠壓塊123之間退出，取液管31的形變恢復，實現吸取液體的目的。藉由設計取液管31錐型結構的d1和d2值、兩擠壓塊123之間的距離、兩擠壓塊123與取液管31的接觸面積以及上殼體1相對下殼體2的移動行程等參數，從而實現定量取液的目的。Please refer to FIG. 4 and FIG. 5 . Specifically, the principle of the liquid transfer device 100 for quantitatively taking liquid is: the inner diameter d1 of the end of the tapered part of the liquid taking pipe 31 away from the liquid taking head 32 is small, which is called the small inner diameter end b, The inner diameter d2 of the end close to the liquid sampling head 32 is larger, which is called the large inner diameter end c. As shown in FIG. 4 , when the liquid taking tube 31 is not compressed, its small inner diameter end b is located at the bottom of the two pressing blocks 123 , and the surfaces of the two pressing blocks 123 contact the top of the liquid taking tube 31 . As shown in FIG. 5 , when the upper casing 1 moves downward, the small inner diameter end b of the liquid taking tube 31 extends into the second liquid taking through hole 122 , and the liquid taking tube 31 extends between the two extrusion blocks 123 , the two squeezers 123 squeeze the side wall of the liquid taking tube 31, so that the liquid taking tube 31 is compressed, and the liquid taking tube 31 is further extended into the second liquid taking through hole 122, until the two squeezing fasts 123 are squeezed to take the liquid. The large inner diameter end c of the liquid pipe 31 further discharges the fixed amount of air inside the liquid pipe 31 . After inserting the liquid-taking head 32 into the liquid, loosen the upper casing 1, the upper casing 1 is bounced back to its original position by the resilience of the elastic member 5, so that the liquid-taking tube 31 is withdrawn from between the two extrusion blocks 123, and the liquid is taken out. The deformation of the tube 31 is recovered to achieve the purpose of sucking liquid. By designing the values of d1 and d2 of the tapered structure of the liquid taking pipe 31, the distance between the two pressing blocks 123, the contact area between the two pressing blocks 123 and the liquid taking pipe 31, and the relationship between the upper shell 1 and the lower shell 2 Move parameters such as stroke, so as to achieve the purpose of quantitative liquid extraction.

本發明提供的液體轉移裝置100可以被用來進行多種液體樣本的轉移，例如液體樣本可以包括生物樣本，患者樣本，獸醫樣本，或環境樣本。The liquid transfer device 100 provided by the present invention can be used to transfer various liquid samples. For example, the liquid samples can include biological samples, patient samples, veterinary samples, or environmental samples.

在一些實施例中，本發明提供的液體轉移裝置100可以用於收集和調配體積在1μl ~5ml之間的量（例如1微升1μl，2μl，4μl，5μl ，10μl，20μl，50μl，100微升，200μl，500μl，1ml，2 ml和5 ml中的任何兩個數字之間的數）的液體。In some embodiments, the liquid transfer device 100 provided by the present invention can be used to collect and dispense volumes between 1 μl and 5 ml (eg 1 μl, 2 μl, 4 μl, 5 μl, 10 μl, 20 μl, 50 μl, 100 μl liters, 200 μl, 500 μl, 1 ml, 2 ml and 5 ml of any number between any two numbers) of the liquid.

相較於習知技術，本發明提供的液體轉移裝置結構簡單，操作簡便，能夠實現定量吸取液體，可以實現微量液體的轉移；且取液組件與按壓機構可拆卸設置，按壓機構可以多次使用，取液組件為一次性耗材，能隨時更換，節約成本。Compared with the prior art, the liquid transfer device provided by the present invention has a simple structure and simple operation, can achieve quantitative liquid absorption, and can realize the transfer of a small amount of liquid; and the liquid sampling assembly and the pressing mechanism can be detachably arranged, and the pressing mechanism can be used multiple times. , The liquid collection component is a one-time consumable, which can be replaced at any time, saving costs.

100:液體轉移裝置 10:按壓機構 1:上殼體 11:第一側壁 12:擠壓部 121:第三側壁 122:第二取液通孔 123:擠壓塊 13:第一頂壁 14:第四側壁 15:平臺部 16:定位通孔 17:滑槽 18:第一定位槽 19:第二定位槽 2:下殼體 21:第二側壁 22:第二頂壁 23:第一取液通孔 24:第二連接部 241:第一卡口 242:第二卡口 243:第二卡位 25:導向條 26:定位桿 27:彈簧導桿 3:取液組件 31:取液管 32:取液頭 33:第一連接部 331:連接部本體 332:第一卡位 333:導向桿 334:卡勾 34:取液頭蓋 4:容納腔 5:彈性件 6:按壓鍵 a:中心軸 b:小內徑端 c:大內徑端 100: Liquid transfer device 10: Pressing mechanism 1: Upper shell 11: The first side wall 12: Extrusion Department 121: Third side wall 122: The second liquid sampling through hole 123: Squeeze Block 13: First top wall 14: Fourth side wall 15: Platform Department 16: Positioning through holes 17: Chute 18: The first positioning slot 19: Second positioning slot 2: Lower shell 21: Second side wall 22: Second top wall 23: The first liquid sampling through hole 24: Second connecting part 241: The first bayonet 242: Second bayonet 243: The second card position 25: Guide bar 26: Positioning rod 27: Spring guide rod 3: Liquid collection components 31: Pipette 32: Liquid extraction head 33: The first connecting part 331: connector body 332: The first card position 333: Guide rod 334: hook 34: Caps for taking liquid head 4: accommodating cavity 5: elastic parts 6: Press the key a: central axis b: Small inner diameter end c: Large inner diameter end

圖1是本發明一實施方式提供的液體轉移裝置未按壓的結構示意圖。FIG. 1 is a schematic structural diagram of an unpressed liquid transfer device provided by an embodiment of the present invention.

圖2是本發明一實施方式提供的液體轉移裝置按壓後的結構示意圖。2 is a schematic structural diagram of a liquid transfer device provided by an embodiment of the present invention after being pressed.

圖3是本發明一實施方式提供的液體轉移裝置的***圖。3 is an exploded view of a liquid transfer device provided by an embodiment of the present invention.

圖4是圖1提供的液體轉移裝置沿IV-IV的剖面圖。FIG. 4 is a cross-sectional view along IV-IV of the liquid transfer device provided in FIG. 1 .

圖5是圖2提供的液體轉移裝置沿V-V的剖面圖。FIG. 5 is a cross-sectional view along V-V of the liquid transfer device provided in FIG. 2 .

圖6是圖1提供的液體轉移裝置沿VI-VI的剖面圖。FIG. 6 is a cross-sectional view along VI-VI of the liquid transfer device provided in FIG. 1 .

圖7是本發明另一實施方式提供的液體轉移裝置的剖面圖。7 is a cross-sectional view of a liquid transfer device provided by another embodiment of the present invention.

圖8是本發明一實施方式提供的上殼體的結構示意圖。FIG. 8 is a schematic structural diagram of an upper casing provided by an embodiment of the present invention.

圖9是本發明一實施方式提供的上殼體另一角度的結構示意圖。FIG. 9 is a schematic structural diagram of another angle of the upper casing provided by an embodiment of the present invention.

圖10是本發明一實施方式提供的下殼體的結構示意圖。FIG. 10 is a schematic structural diagram of a lower casing provided by an embodiment of the present invention.

圖11是本發明一實施方式提供的下殼體另一角度的結構示意圖。FIG. 11 is a schematic structural diagram of another angle of the lower casing provided by an embodiment of the present invention.

圖12是本發明另一實施方式提供的液體轉移裝置的結構示意圖。FIG. 12 is a schematic structural diagram of a liquid transfer device provided by another embodiment of the present invention.

圖13是本發明另一實施方式提供的液體轉移裝置的剖面圖。13 is a cross-sectional view of a liquid transfer device provided by another embodiment of the present invention.

100:液體轉移裝置 100: Liquid transfer device

10:按壓機構 10: Pressing mechanism

1:上殼體 1: Upper shell

2:下殼體 2: Lower shell

3:取液組件 3: Liquid collection components

34:取液頭蓋 34: Caps for taking liquid head

6:按壓鍵 6: Press the key

Claims (10)

一種液體轉移裝置，其中，包括： 按壓機構，包括上殼體和下殼體，所述上殼體包括第一側壁及與所述第一側壁連接的第一頂壁，所述第一頂壁上設有一擠壓部，所述下殼體包括第二側壁及第二頂壁，所述第二側壁連接所述第二頂壁且圍設形成一容納腔，所述上殼體收容於所述容納腔內；以及 取液組件，包括取液管、取液頭及連通所述取液管與所述取液頭的第一連接部，所述取液組件用於由所述第二頂壁伸入所述容納腔，以使所述取液管對應所述擠壓部設置，所述第一連接部可拆卸地設置於所述第二頂壁，所述取液頭位於所述容納腔的外側， 其中，所述上殼體用於沿所述容納腔的中心軸往復移動，進而帶動所述擠壓部相對所述取液管往復移動，使所述擠壓部抵持或鬆開所述取液管，以使所述取液管發生形變，從而使所述取液管釋放或吸取液體。 A liquid transfer device, comprising: The pressing mechanism includes an upper casing and a lower casing, the upper casing includes a first side wall and a first top wall connected with the first side wall, the first top wall is provided with a pressing part, the The lower casing includes a second side wall and a second top wall, the second side wall is connected to the second top wall and surrounds a accommodating cavity, and the upper casing is accommodated in the accommodating cavity; and The liquid taking assembly includes a liquid taking tube, a liquid taking head and a first connection part that communicates the liquid taking tube and the liquid taking head, and the liquid taking assembly is used to extend into the container from the second top wall so that the liquid taking tube is arranged corresponding to the pressing portion, the first connecting portion is detachably arranged on the second top wall, and the liquid taking head is located outside the accommodating cavity, Wherein, the upper casing is used for reciprocating movement along the central axis of the accommodating cavity, thereby driving the pressing portion to move back and forth relative to the liquid taking tube, so that the pressing portion abuts or releases the taking-out tube. The liquid pipe is deformed, so that the liquid pipe can release or absorb the liquid. 如請求項1所述的液體轉移裝置，其中，所述下殼體還包括設置於所述第二頂壁上的第一取液通孔以及第二連接部，所述第二連接部設置於所述第二頂壁上且位於所述第一取液通孔的周圍，當所述取液管經由所述第一取液通孔伸入所述容納腔時，所述第一連接部與所述第二連接部可拆卸連接。The liquid transfer device according to claim 1, wherein the lower casing further comprises a first liquid-taking through hole and a second connecting portion disposed on the second top wall, and the second connecting portion is disposed on the second top wall. On the second top wall and around the first liquid taking through hole, when the liquid taking tube extends into the accommodating cavity through the first liquid taking through hole, the first connecting part is connected to the first connecting part. The second connecting portion is detachably connected. 如請求項2所述的液體轉移裝置，其中，所述第一連接部與所述第二連接部卡合連接或螺紋連接。The liquid transfer device according to claim 2, wherein the first connection part is snap-connected or screwed to the second connection part. 如請求項3所述的液體轉移裝置，其中，所述第一連接部包括連接部本體、設置於所述連接部本體上的第一卡位、設置於連接部本體上的導桿以及設置於所述導桿上的卡勾； 所述第二連接部包括貫穿所述第二頂壁的第一卡口、貫穿所述第二頂壁且與所述第一卡口連通的第二卡口以及第二卡位， 其中，所述導桿由所述第二頂壁伸入所述第一卡口並卡入所述第二卡口內，所述卡勾卡在所述第二卡位靠近所述容納腔的一側，所述第一卡位卡在所述第二卡位遠離所述容納腔的一側，以使所述第一連接部與所述第二連接部可拆卸連接。 The liquid transfer device according to claim 3, wherein the first connection part comprises a connection part body, a first latching position provided on the connection part body, a guide rod provided on the connection part body, and a guide rod provided on the connection part body. the hook on the guide rod; The second connecting portion includes a first bayonet penetrating the second top wall, a second bayonet penetrating the second top wall and communicating with the first bayonet, and a second bayonet, Wherein, the guide rod extends into the first bayonet from the second top wall and is clamped into the second bayonet, and the latching hook is clamped in the second bayonet near the accommodating cavity. On one side, the first detent is clamped on the side of the second detent away from the accommodating cavity, so that the first connecting portion and the second connecting portion are detachably connected. 如請求項2所述的液體轉移裝置，其中，所述擠壓部包括第三側壁，所述第三側壁一端與所述第一頂壁連接，所述第三側壁圍設形成第二取液通孔，所述第二取液通孔與所述第一取液通孔連通且均與所述容納腔同軸； 所述第二取液通孔的孔徑沿遠離所述第二取液通孔的方向遞減，所述取液管用於伸入或退出所述第二取液通孔，所述第三側壁用於抵持或鬆開所述取液管。 The liquid transfer device according to claim 2, wherein the pressing portion comprises a third side wall, one end of the third side wall is connected to the first top wall, and the third side wall is surrounded to form a second liquid extraction a through hole, the second liquid taking through hole is communicated with the first liquid taking through hole and both are coaxial with the accommodating cavity; The aperture of the second liquid taking through hole decreases in the direction away from the second liquid taking through hole, the liquid taking pipe is used for extending into or out of the second liquid taking through hole, and the third side wall is used for Resist or loosen the pipette. 如請求項5所述的液體轉移裝置，其中，所述取液管沿垂直所述容納腔的中心軸方向的內徑由靠近所述取液頭的一端至遠離所述取液頭的一端遞減。The liquid transfer device according to claim 5, wherein the inner diameter of the liquid taking pipe along a direction perpendicular to the central axis of the accommodating cavity decreases from an end close to the liquid taking head to an end far from the liquid taking head . 如請求項5所述的液體轉移裝置，其中，所述第三側壁的內表面設置有擠壓塊，所述擠壓塊用於抵持或鬆開所述取液管。The liquid transfer device according to claim 5, wherein an inner surface of the third side wall is provided with a pressing block, and the pressing block is used to abut or release the liquid taking tube. 如請求項2所述的液體轉移裝置，其中，所述按壓機構還包括套容置於所述容納腔內的彈性件，所述彈性件一端抵持所述第一頂壁，另一端抵持所述第二頂壁，所述彈性件的彈性恢復力用於使所述上殼體遠離所述下殼體移動。The liquid transfer device according to claim 2, wherein the pressing mechanism further comprises an elastic member sleeved and accommodated in the accommodating cavity, one end of the elastic member abuts against the first top wall, and the other end abuts against the first top wall In the second top wall, the elastic restoring force of the elastic member is used to move the upper casing away from the lower casing. 如請求項8所述的液體轉移裝置，其中，所述彈性件為多個，多個所述彈性件圍繞所述取液管設置；或 所述彈性件套設於所述擠壓部的外側。 The liquid transfer device according to claim 8, wherein there are a plurality of the elastic members, and the plurality of the elastic members are arranged around the liquid taking tube; or The elastic piece is sleeved on the outer side of the pressing portion. 如請求項1所述的液體轉移裝置，其中，所述液體轉移裝置還包括按壓鍵，所述按壓鍵設置於所述上殼體遠離所述下殼體的一端。The liquid transfer device according to claim 1, wherein the liquid transfer device further comprises a pressing key, and the pressing key is disposed at an end of the upper casing away from the lower casing.
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