Flow injection device facilitating channel switching

Abstract

The utility model provides a flow injection device convenient to switch channels, which belongs to the technical field of instrument analysis and comprises a bearing mechanism, a fixing plate, a material barrel fixedly mounted on the outer surface of the fixing plate, a conveying pipe communicated with the material barrel and a discharging pipe communicated with the conveying pipe. The adjusting mechanism comprises a butterfly valve movably connected into an inner cavity of the material conveying pipe, a fixing sleeve fixedly installed on the outer surface of the material conveying pipe, a rotary knob arranged on the outer surface of the fixing sleeve in a sleeving mode, a rotating assembly controlling the butterfly valve when the rotary knob rotates, and a limiting assembly used for fixing the rotating assembly after the rotating assembly rotates. According to the utility model, a plurality of material barrels and material conveying pipes are designed, and each material barrel can be communicated with the discharging pipe through the independent material conveying pipe to form a multi-channel communication structure, so that a user can realize quick switching among different channels only by rotating the knob, the flexibility is improved, and the accuracy of experimental data is ensured.

Description

Technical Field

[0001] This utility model belongs to the field of instrumental analysis technology, specifically relating to a flow injection device that facilitates channel switching. Background Technology

[0002] In analytical chemistry, flow injection analysis (FIA) is widely used for automated continuous sample determination. Traditional flow injection devices typically employ a fixed flow path design, making it complex and time-consuming to change or switch analytical channels, which is insufficient to meet the demands for rapid multi-component detection. Therefore, a flow injection device with a simple structure, easy switching, and rapid response is needed to improve analytical efficiency and system flexibility.

[0003] In existing technologies, traditional flow injection devices often require operators to manually change tubing or readjust experimental settings when processing multiple reagents or samples. This method is not only time-consuming but also prone to errors, affecting the accuracy of experimental results. Utility Model Content

[0004] The purpose of this invention is to provide a flow injection device that facilitates channel switching, thereby addressing the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A flow injection device that facilitates channel switching, comprising:

[0007] The supporting mechanism includes a fixed plate, a material bucket fixedly installed on the outer surface of the fixed plate, a conveying pipe communicating with the material bucket, and a discharge pipe communicating with the conveying pipe;

[0008] The adjusting mechanism includes a butterfly valve movably connected in the inner cavity of the conveying pipe, a fixed sleeve fixedly installed on the outer surface of the conveying pipe, a knob sleeved on the outer surface of the fixed sleeve, a rotating assembly that controls the butterfly valve by rotating the knob, and a limiting assembly for fixing the rotating assembly after rotation.

[0009] The rotating assembly includes a connecting rod fixedly connected to the butterfly valve, a guide groove formed on the inner surface of the fixed sleeve, a limiting groove formed on the inner surface of the fixed sleeve, and a limiting post fixedly installed on the outer surface of the connecting rod.

[0010] As a preferred embodiment of this utility model, the limiting component includes a spring fixedly connected to the inner surface of the guide groove, a limiting block fixedly connected to the other end of the spring, and a slot formed on the outer surface of the limiting post and cooperating with the limiting block.

[0011] In a preferred embodiment of this utility model, the outer surface of the butterfly valve is in contact with the inner wall of the conveying pipe, and the outer surface of the fixing sleeve is in sliding contact with the inner surface of the knob.

[0012] In a preferred embodiment of this utility model, the connecting rod passes through the outer surface of the fixed sleeve, and a bearing sleeve for rotational use is installed at the point where the connecting rod passes through the fixed sleeve.

[0013] In a preferred embodiment of this utility model, the connecting rod passes through the conveying pipe and is fixedly connected to the butterfly valve, and the inner surface of the limiting groove slides in contact with the outer surface of the limiting post.

[0014] As a preferred embodiment of this utility model, the end face of the limiting post is designed in an arc shape, and the outer surface of the limiting post slides in contact with the inner surface of the guide groove.

[0015] In a preferred embodiment of this utility model, the spring and the limiting block are symmetrically installed on the inner surface of the guide groove, and the outer surface of the limiting block is in contact with the inner surface of the slot.

[0016] Compared with the prior art, the beneficial effects of this utility model are: by designing multiple material buckets and conveying pipes, each material bucket can be connected to the discharge pipe through an independent conveying pipe to form a multi-channel interconnected structure, allowing users to quickly switch between different channels simply by rotating a knob, improving flexibility and ensuring the accuracy of experimental data. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the material conveying pipe of this utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the fixing sleeve of this utility model;

[0021] Figure 4 This is an exploded view of the adjusting component of this utility model.

[0022] In the diagram: 100, bearing mechanism; 101, fixing plate; 102, material bucket; 103, conveying pipe; 104, discharge pipe; 200, adjusting mechanism; 201, butterfly valve; 202, fixing sleeve; 203, knob; 204, rotating assembly; 204a, connecting rod; 204b, guide groove; 204c, limiting groove; 204d, limiting post; 205, limiting assembly; 205a, spring; 205b, limiting block; 205c, slot. Detailed Implementation

[0023] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0024] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0026] Example

[0027] Reference Figures 1-4 This is an embodiment of the present invention, which provides a flow injection device that facilitates channel switching, comprising:

[0028] The supporting mechanism 100 includes a fixed plate 101, a material bucket 102 fixedly installed on the outer surface of the fixed plate 101, a conveying pipe 103 communicating with the material bucket 102, and a discharge pipe 104 communicating with the conveying pipe 103.

[0029] The adjusting mechanism 200 includes a butterfly valve 201 movably connected in the inner cavity of the conveying pipe 103, a fixing sleeve 202 fixedly installed on the outer surface of the conveying pipe 103, a knob 203 sleeved on the outer surface of the fixing sleeve 202, a rotating assembly 204 that controls the butterfly valve 201 by rotating the knob 203, and a limiting assembly 205 for fixing the rotating assembly 204 after rotation.

[0030] The rotating assembly 204 includes a connecting rod 204a fixedly connected to the butterfly valve 201, a guide groove 204b formed on the inner surface of the fixed sleeve 202, a limiting groove 204c formed on the inner surface of the fixed sleeve 202, and a limiting post 204d fixedly installed on the outer surface of the connecting rod 204a.

[0031] The material bins 102 and conveying pipes 103 are both fixedly installed on the fixing plate 101, and there are multiple of them. Each material bin 102 is connected to the discharge pipe 104 through an independent conveying pipe 103, forming a multi-channel connected structure.

[0032] Specifically, the limiting component 205 includes a spring 205a fixedly connected to the inner surface of the guide groove 204b, a limiting block 205b fixedly connected to the other end of the spring 205a, and a slot 205c formed on the outer surface of the limiting post 204d and cooperating with the limiting block 205b.

[0033] When the knob 203 is rotated, the knob 203 drives the connecting rod 204a to rotate synchronously. The connecting rod 204a drives the butterfly valve 201 to switch from the closed state to the open state. During this process, the rotation of the connecting rod 204a also drives the limiting post 204d to move in the guide groove 204b. The limiting post 204d slides from one end of the guide groove 204b to the other end. At this time, the limiting block 205b in the limiting assembly 205 fits against the slot 205c opened on the outer surface of the limiting post 204d under the action of the spring 205a, realizing the positioning and locking of the limiting post 204d, thereby preventing it from being accidentally displaced and ensuring that the butterfly valve 201 is stably maintained in the current open position.

[0034] Furthermore, the outer surface of the butterfly valve 201 is in contact with the inner wall of the conveying pipe 103, and the outer surface of the fixing sleeve 202 is in sliding contact with the inner surface of the knob 203.

[0035] Furthermore, the connecting rod 204a penetrates the outer surface of the fixed sleeve 202, and a bearing sleeve for rotation is installed at the penetration point between the connecting rod 204a and the fixed sleeve 202.

[0036] Furthermore, the connecting rod 204a passes through the conveying pipe 103 and is fixedly connected to the butterfly valve 201, and the inner surface of the limiting groove 204c slides in contact with the outer surface of the limiting post 204d.

[0037] Preferably, the end face of the limiting post 204d is arc-shaped, and the outer surface of the limiting post 204d slides in contact with the inner surface of the guide groove 204b.

[0038] It should be noted that the spring 205a and the limiting block 205b are symmetrically installed on the inner surface of the guide groove 204b, and the outer surface of the limiting block 205b is in contact with the inner surface of the slot 205c.

[0039] In use, when the user rotates the knob 203, the knob 203 drives the connecting rod 204a to rotate synchronously. The connecting rod 204a further drives the butterfly valve 201 to switch from the closed state to the open state. At the same time, the limiting post 204d slides along the guide groove 204b under the action of the connecting rod 204a, moving from one end of the guide groove 204b to the other end to achieve angle adjustment. When the limiting post 204d moves to the preset position, the limiting block 205b is embedded in the corresponding slot 205c under the elastic force of the spring 205a, thereby limiting the limiting post 204d and preventing it from rotating or deviating without external force, thus ensuring that the butterfly valve 201 is stably maintained in the current open state.

[0040] In summary, by designing multiple material bins 102 and conveying pipes 103, each material bin can be connected to the discharge pipe 104 through an independent conveying pipe, forming a multi-channel interconnected structure. This allows users to quickly switch between different channels simply by rotating the knob 203, improving flexibility and ensuring the accuracy of experimental data.

[0041] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0042] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0043] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A flow injection device that facilitates channel switching, characterized in that: include, The supporting mechanism (100) includes a fixed plate (101), a material bucket (102) fixedly installed on the outer surface of the fixed plate (101), a conveying pipe (103) communicating with the material bucket (102), and a discharge pipe (104) communicating with the conveying pipe (103). The adjusting mechanism (200) includes a butterfly valve (201) movably connected in the inner cavity of the conveying pipe (103), a fixing sleeve (202) fixedly installed on the outer surface of the conveying pipe (103), a knob (203) sleeved on the outer surface of the fixing sleeve (202), a rotating assembly (204) that controls the butterfly valve (201) by rotating the knob (203), and a limiting assembly (205) for fixing the rotating assembly (204) after rotation; The rotating assembly (204) includes a connecting rod (204a) fixedly connected to the butterfly valve (201), a guide groove (204b) formed on the inner surface of the fixed sleeve (202), a limiting groove (204c) formed on the inner surface of the fixed sleeve (202), and a limiting post (204d) fixedly installed on the outer surface of the connecting rod (204a).

2. The flow injection device for easy channel switching according to claim 1, characterized in that: The limiting component (205) includes a spring (205a) fixedly connected to the inner surface of the guide groove (204b), a limiting block (205b) fixedly connected to the other end of the spring (205a), and a slot (205c) formed on the outer surface of the limiting post (204d) and cooperating with the limiting block (205b).

3. The flow injection device for easy channel switching according to claim 2, characterized in that: The outer surface of the butterfly valve (201) is in contact with the inner wall of the feed pipe (103), and the outer surface of the fixing sleeve (202) is in sliding contact with the inner surface of the knob (203).

4. The flow injection device for easy channel switching according to claim 3, characterized in that: The connecting rod (204a) penetrates the outer surface of the fixed sleeve (202), and a bearing sleeve for rotation is installed at the penetration point between the connecting rod (204a) and the fixed sleeve (202).

5. A flow injection device for easy channel switching according to claim 4, characterized in that: The connecting rod (204a) passes through the conveying pipe (103) and is fixedly connected to the butterfly valve (201). The inner surface of the limiting groove (204c) slides in contact with the outer surface of the limiting post (204d).

6. A flow injection device for easy channel switching according to claim 5, characterized in that: The end face of the limiting post (204d) is arc-shaped, and the outer surface of the limiting post (204d) slides in contact with the inner surface of the guide groove (204b).

7. A flow injection device for easy channel switching according to claim 6, characterized in that: The spring (205a) and the limiting block (205b) are symmetrically installed on the inner surface of the guide groove (204b), and the outer surface of the limiting block (205b) is in contact with the inner surface of the slot (205c).

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