A liquid chromatograph waste liquid auxiliary collection device

Abstract

The utility model relates to the technical field of auxiliary collection of waste liquid of liquid chromatograph, and specifically to an auxiliary collection device for waste liquid of liquid chromatograph, comprising a hose, a connecting assembly and a collecting barrel, wherein the collecting barrel is fixedly connected to the hose, the connecting assembly comprises an active part, a receiving part and an extruding part, the extruding part is fixedly connected to the active part, the active part is movably connected to the receiving part, the receiving part is fixedly connected to the hose, a first extruding ring is firstly extruded by the hose and the extruding part, so as to lock the hose, and the radius of the subsequent second extruding ring and the third extruding ring gradually decreases, and when the staff twists the extruding part, the pressure on the hose is gradually increased, so as to ensure the sealing between the hose and the extruding part, and at the same time, the extruding part and the receiving part cooperate with each other, so as to further ensure the stability of the hose connection, and after use, the same steps are performed in reverse, so that the hose can be quickly removed from the barrel, which is convenient and quick.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary collection of waste liquid of liquid chromatograph, in particular to an auxiliary collection device of waste liquid of liquid chromatograph. Background Art

[0002] The auxiliary collection device for liquid chromatography waste liquid is a device for assisting in collecting liquid chromatography waste liquid, and mainly plays a role of diversion, making it easier to transfer from one position to another. During use, the existing solution directly connects the hose to the bottle, which can easily cause inconvenience in draining due to squeezing, and the collection tube and the hose may also be detached when the accessories are in use.

[0003] In the prior art, patent (CN215415246U) discloses a novel liquid chromatograph waste liquid auxiliary collection device, including a hose, one end of which is equipped with a collection tube, the hose is made of rubber material, and there is an interference connection structure between the hose and the collection tube, the collection tube is used for draining liquid, a connecting ear is fixedly connected to the top surface of the collection tube, and a hose is fittedly connected to the surface of the connecting ear, and the connecting ear and the collection tube are an integrated structure. The novel liquid chromatograph waste liquid auxiliary collection device docks the hose with the collection tube during the use of the accessory, and through the interference fit between the hose and the collection tube, one end of the hose is put on the collection tube, so that the collection tube can prevent the connection with the liquid chromatograph waste liquid from being easily flattened during the use of the accessory, resulting in poor drainage.

[0004] However, in the above-mentioned prior art, it is inconvenient to install and remove the hose, and the staff cannot conveniently take out the hose after use. Utility Model Content

[0005] The utility model aims to provide a liquid chromatograph waste liquid auxiliary collection device, which solves the problem in the prior art that the hose is inconvenient to install and disassemble and the staff cannot conveniently take out the hose after use.

[0006] To achieve the above-mentioned purpose, the utility model provides an auxiliary collection device for waste liquid of a liquid chromatograph, comprising a hose, a connecting assembly and a collecting cylinder, wherein the collecting cylinder is fixedly connected to the hose and is located at one end of the hose, the connecting assembly comprises an active part, a receiving part and an extruding part, the extruding part is fixedly connected to the active part and is located above the active part, the active part is movably connected to the receiving part and is located below the receiving part, the receiving part is fixedly connected to the hose and is located at one end of the hose, the active part has a first thread, the receiving part has a second thread, and the first thread and the second thread are adapted to each other.

[0007] Wherein, the extrusion member includes a first extrusion ring, a second extrusion ring and a third extrusion ring, the third extrusion ring is fixedly connected to the second extrusion ring and is located above the second extrusion ring, and the first extrusion ring is fixedly connected to the second extrusion ring and is located below the second extrusion ring.

[0008] Wherein, the collecting cylinder comprises a cylinder body and a connecting ear, wherein the connecting ear is fixedly connected to the cylinder body and is located above the cylinder body.

[0009] Among them, the liquid chromatograph waste liquid auxiliary collection device also includes a flow control tube and a disassembly tube, the disassembly tube is movably connected to the flow control tube and is located on the inner wall of the flow control tube, and the flow control tube is fixedly connected to the cylinder and is located at the lower end of the cylinder.

[0010] Wherein, the disassembly tube includes a tube body and a manual valve, the manual valve is movably connected to the tube body and is located on one side of the tube body, the tube body has a third thread, the flow control tube has a fourth thread, and the third thread and the fourth thread are adapted to each other.

[0011] The utility model discloses an auxiliary collection device for waste liquid of a liquid chromatograph. The first extrusion ring is firstly extruded by the hose and the extrusion piece, so as to lock the hose. The radius of the subsequent second extrusion ring and the third extrusion ring gradually decreases. When the staff twists the extrusion piece, the pressure on the hose is gradually increased, so as to ensure the sealing between the hose and the extrusion piece. At the same time, the extrusion piece and the receiving piece cooperate with each other, further ensuring the stability of the hose connection. After use, the same steps are performed in reverse, so that the hose can be quickly removed from the cylinder body. It is convenient and quick. This design solves the problems in the prior art. The installation and disassembly of the hose is relatively inconvenient, and the staff cannot conveniently take out the hose after use. The active part and the hose are squeezed against each other, and the tightness of the hose clamping is controlled by the staff's twisting, which facilitates the disassembly of the hose. The disassembly tube can be freely disassembled. After the installation of the disassembly tube, the liquid can flow better, the path for the liquid flow is increased, and more traces of liquid circulation can be collected. After collection, the staff disassembles the disassembly tube, which is also convenient for data analysis, thereby controlling the concentration of the liquid. The setting of the manual valve is convenient for the staff to control the circulation of the liquid, thereby controlling the rate and size of the liquid flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1It is a front view of the first embodiment of the utility model.

[0014] Figure 2 The utility model Figure 1 AA line section view.

[0015] Figure 3 The utility model Figure 2 Enlarged view of the local structure at point B.

[0016] Figure 4 It is a front view of the second embodiment of the utility model.

[0017] Figure 5 The utility model Figure 4 CC line section view.

[0018] Figure 6 The utility model Figure 5 Enlarged view of the local structure at D.

[0019] 101-hose, 102-connecting assembly, 103-collecting tube, 104-active part, 105-receiving part, 106-extrusion part, 107-first thread, 108-second thread, 109-first extrusion ring, 110-second extrusion ring, 111-third extrusion ring, 112-cylinder body, 113-connecting ear, 201-flow control tube, 202-disassembly tube, 203-tube body, 204-manual valve, 205-third thread, 206-fourth thread. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0021] The first embodiment of the present application is:

[0022] See also Figure 1-Figure 3 ,in Figure 1 This is a front view of the first embodiment of the utility model. Figure 2 The utility model Figure 1 AA line section view, Figure 3 The utility model Figure 2 Enlarged view of the local structure at point B.

[0023] The utility model provides a liquid chromatograph waste liquid auxiliary collection device, comprising a hose 101, a connecting assembly 102 and a collecting barrel 103, wherein the connecting assembly 102 comprises an active member 104, a receiving member 105 and an extruding member 106, wherein the active member 104 has a first thread 107, the receiving member 105 has a second thread 108, the extruding member 106 comprises a first extruding ring 109, a second extruding ring 110 and a third extruding ring 111, and the collecting barrel 103 comprises a barrel body 112 and a connecting ear 113.

[0024] According to this specific embodiment, the collecting tube 103 is fixedly connected to the hose 101, the extruding member 106 is fixedly connected to the active member 104, the active member 104 is movably connected to the receiving member 105, the receiving member 105 is fixedly connected to the hose 101, the first thread 107 and the second thread 108 are adapted to each other, the third extruding ring 111 is fixedly connected to the second extruding ring 110, the first extruding ring 109 is fixedly connected to the second extruding ring 110, the connecting ear 113 is fixedly connected to the barrel 112, and the first extruding ring 109 is firstly connected to the hose 101 is squeezed with the extrusion piece 106, thereby locking the hose 101. The radius of the subsequent second extrusion ring 110 and the third extrusion ring 111 gradually decreases. When the staff twists the extrusion piece 106, the pressure on the hose 101 will gradually increase, thereby ensuring the sealing between the hose 101 and the extrusion piece 106. At the same time, the extrusion piece 106 and the receiving piece 105 cooperate with each other, further ensuring the stability of the connection of the hose 101. After use, the same steps are performed in reverse to quickly remove the hose 101 from the cylinder 112, which is convenient and quick.

[0025] Among them, the collecting tube 103 is located at one end of the hose 101, the extruding member 106 is located above the active member 104, the active member 104 is located below the receiving member 105, and the receiving member 105 is located at one end of the hose 101. The active member 104 and the hose 101 squeeze each other, and the tightness of the clamping of the hose 101 is controlled by the twisting of the staff, which facilitates the disassembly of the hose 101.

[0026] Secondly, the third extrusion ring 111 is located above the second extrusion ring 110, the first extrusion ring 109 is located below the second extrusion ring 110, and the connecting ear 113 is located above the barrel 112. The first extrusion ring 109 is first squeezed by the hose 101 and the extrusion piece 106, so as to lock the hose 101. The radius of the subsequent second extrusion ring 110 and the third extrusion ring 111 gradually decreases. When the staff twists the extrusion piece 106, the pressure on the hose 101 will gradually increase, so as to ensure the sealing between the hose 101 and the extrusion piece 106. At the same time, the extrusion piece 106 and the receiving piece 105 cooperate with each other to further ensure the stability of the connection of the hose 101. After use, the same steps are performed in reverse to quickly remove the hose 101 from the barrel 112, which is convenient and quick.

[0027] In this embodiment, the first extrusion ring 109 is firstly squeezed by the hose 101 and the extrusion piece 106, so as to lock the hose 101. The radius of the subsequent second extrusion ring 110 and the third extrusion ring 111 gradually decreases. When the staff twists the extrusion piece 106, the pressure on the hose 101 is gradually increased, so as to ensure the sealing between the hose 101 and the extrusion piece 106. At the same time, the extrusion piece 106 and the receiving piece 105 cooperate with each other to further ensure the stability of the connection of the hose 101. After use, the same steps are performed in reverse, so that the hose 101 can be quickly removed from the cylinder 112, which is convenient and quick. This design solves the problem that the installation and disassembly of the hose 101 in the prior art are inconvenient, and the staff cannot conveniently take out the hose 101 after use. The active member 104 and the hose 101 squeeze each other, and the tightness of the clamping of the hose 101 is controlled by the twisting of the staff, which facilitates the disassembly of the hose 101.

[0028] The second embodiment of the present application is:

[0029] Based on the first embodiment, please refer to Figure 4-Figure 6 ,in Figure 4 It is a front view of the second embodiment of the utility model. Figure 5 The utility model Figure 4 The CC line section view, Figure 6 The utility model Figure 5 Enlarged view of the local structure at D.

[0030] The utility model provides a liquid chromatograph waste liquid auxiliary collection device, which also includes a flow control tube 201 and a disassembly tube 202. The disassembly tube 202 includes a tube body 203 and a manual valve 204. The tube body 203 has a third thread 205, and the flow control tube 201 has a fourth thread 206.

[0031] With respect to this specific embodiment, the disassembly tube 202 is movably connected to the flow control tube 201, the flow control tube 201 is fixedly connected to the cylinder 112, the manual valve 204 is movably connected to the tube body 203, the third thread 205 and the fourth thread 206 are adapted to each other, and the disassembly tube 202 can be freely disassembled. After the disassembly tube 202 is installed, the liquid can flow better and the liquid flow path can be increased, thereby collecting more traces of liquid circulation. After the collection, the staff disassembles the disassembly tube 202, which is also convenient for data analysis, thereby controlling the concentration of the liquid.

[0032] Among them, the disassembly tube 202 is located on the inner wall of the flow control tube 201, the flow control tube 201 is located at the lower end of the cylinder 112, and the manual valve 204 is located on one side of the tube body 203. The setting of the manual valve 204 is convenient for the staff to control the circulation of the liquid, thereby controlling the rate and size of the liquid flow.

[0033] In this embodiment, the disassembly tube 202 can be freely disassembled. After the disassembly tube 202 is installed, the liquid can flow better and the path for the liquid flow can be increased, thereby collecting more traces of liquid flow. After the collection, the staff disassembles the disassembly tube 202, which is also convenient for data analysis, thereby controlling the concentration of the liquid. The setting of the manual valve 204 is convenient for the staff to control the circulation of the liquid, thereby controlling the rate and size of the liquid flow.

[0034] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A liquid chromatograph waste liquid auxiliary collection device, comprising a hose and a collection tube, wherein the collection tube is fixedly connected to the hose and is located at one end of the hose, characterized in that: It also includes a connecting assembly, the connecting assembly includes an active member, a receiving member and an extruding member, the extruding member is fixedly connected to the active member and is located above the active member, the active member is movably connected to the receiving member and is located below the receiving member, the receiving member is fixedly connected to the hose and is located at one end of the hose, the active member has a first thread, the receiving member has a second thread, and the first thread and the second thread are adapted to each other; The extrusion member includes a first extrusion ring, a second extrusion ring and a third extrusion ring. The third extrusion ring is fixedly connected to the second extrusion ring and is located above the second extrusion ring. The first extrusion ring is fixedly connected to the second extrusion ring and is located below the second extrusion ring.

2. The liquid chromatograph waste liquid auxiliary collection device according to claim 1, characterized in that: The collecting cylinder comprises a cylinder body and a connecting ear, wherein the connecting ear is fixedly connected to the cylinder body and is located above the cylinder body.

3. The liquid chromatograph waste liquid auxiliary collection device as claimed in claim 2, characterized in that: The liquid chromatograph waste liquid auxiliary collection device also includes a flow control tube and a disassembly tube, the disassembly tube is movably connected to the flow control tube and is located on the inner wall of the flow control tube, and the flow control tube is fixedly connected to the cylinder and is located at the lower end of the cylinder.

4. The liquid chromatograph waste liquid auxiliary collection device as claimed in claim 3, characterized in that: The disassembly tube includes a tube body and a manual valve, the manual valve is movably connected to the tube body and is located on one side of the tube body, the tube body has a third thread, the flow control tube has a fourth thread, and the third thread and the fourth thread are adapted to each other.

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