CN219084850U

CN219084850U - Ion chromatograph with automatic flow path maintenance function

Info

Publication number: CN219084850U
Application number: CN202221789438.9U
Authority: CN
Inventors: 卢兴斌; 刘雷; 聂正俊
Original assignee: Dehe Chuangrui Scientific Instruments Qingdao Co ltd
Current assignee: Dehe Chuangrui Scientific Instruments Qingdao Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2023-05-26
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses an ion chromatograph with an automatic flow path maintenance function, which comprises a case and a advection pump, wherein the case comprises a frame, two side plates, a back plate, a lower bottom plate and an upper cover plate, the side plates are arranged on corresponding side parts of the frame, the back plate is arranged on the back of the frame, the lower bottom plate is arranged at the bottom of the frame, the upper cover plate is arranged at the top of the frame, a plurality of storage grooves are arranged on the upper cover plate, a protruding structure is arranged on the upper cover plate, and a reversing valve is arranged on the protruding structure; the advection pump is arranged in the case and connected with the reversing valve. The convenient use that the user placed the leacheate container on quick-witted case is realized to reduce the length of connecting line, in order to reduce the consumptive material use amount.

Description

Ion chromatograph with automatic flow path maintenance function

Technical Field

The utility model relates to the technical field of chromatographic detection, in particular to an ion chromatograph with an automatic flow path maintenance function.

Background

Ion chromatography is an instrument for qualitative and quantitative analysis of substances by using chromatography, and conventional ion chromatography generally comprises a horizontal flow pump, a six-way valve, a chromatographic column, a conductivity detector, a suppressor and the like. Ion chromatographs typically require plumbing connections to both the eluent reservoir and the pure water reservoir during use. However, the eluting solution container and the pure water container are both matched with the ion chromatograph, and in the use process, on one hand, the container is placed at will and is easy to topple over due to collision, and on the other hand, the connecting pipeline between the eluting solution container and the ion chromatograph is longer, so that the consumption of pipeline consumables is more. In view of this, how to design a technology that is convenient for users to use and reduces the consumption of consumables is a technical problem to be solved by the present utility model.

Disclosure of Invention

The utility model provides an ion chromatograph with an automatic flow path maintenance function, which is convenient for a user to place an eluent container on a case, improves the use convenience, reduces the length of a connecting pipeline and reduces the consumption of consumables.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an ion chromatograph with an automatic flow path maintenance function, which comprises a case and a advection pump, and is characterized in that the case comprises a frame, two side plates, a back plate, a lower bottom plate and an upper cover plate, wherein the side plates are arranged on corresponding side parts of the frame, the back plate is arranged on the back of the frame, the lower bottom plate is arranged at the bottom of the frame, the upper cover plate is arranged at the top of the frame, a plurality of storage grooves are arranged on the upper cover plate, a protruding structure is arranged on the upper cover plate, and a reversing valve is arranged on the protruding structure; the advection pump is arranged in the case and connected with the reversing valve.

Further, the protruding structure is arranged at the front end of the upper cover plate, and the reversing valve is arranged at the back of the protruding structure.

Further, the reversing valve is provided with an outlet and two inlets, one inlet of the reversing valve is the external eluent interface and is configured to be externally connected with an eluent container, and the other inlet of the reversing valve is used for being externally connected with a pure water container.

Further, the upper cover plate is further provided with a wiring hole, and the wiring hole penetrates through the upper cover plate.

Further, a wiring pipe is further arranged at the top of the frame, and the wiring pipe is vertically arranged and inserted into the wiring hole.

Further, the routing hole is arranged at the back of the protruding structure.

Further, the upper cover plate is of an injection molding structure, and the frame is a sheet metal frame.

The utility model also provides an ion chromatograph, which comprises a advection pump and is characterized by further comprising the case, wherein the advection pump is arranged in the case and is connected with the reversing valve.

Compared with the prior art, the technical scheme of the utility model has the following technical effects: through setting up the storing recess on the upper cover plate of machine case, in the use of ion chromatograph, the leacheate container can be directly placed in the corresponding storing recess on the upper cover plate, can reliably hold the leacheate container through the storing recess, and need not to place the leacheate container at will, realize making things convenient for the user to place the leacheate container on machine case and improve the convenience of use; in addition, a reversing valve is arranged on a bulge structure formed on the upper cover plate, and the leacheate container in the storage groove is connected through the reversing valve, so that a connecting pipe configured for connecting the leacheate container each time can be effectively shortened, and the consumption of consumable materials is reduced; the reversing valve automatically reverses according to the working and cleaning requirements so as to realize automatic maintenance of the flow path and facilitate the use of operators.

Drawings

FIG. 1 is a schematic diagram of a chassis according to the present utility model;

FIG. 2 is a second schematic diagram of the structure of the chassis of the present utility model;

fig. 3 is an exploded view of the chassis of the present utility model.

Reference numerals:

the device comprises a frame 1, wiring pipes 11, side plates 2, a back plate 3, a lower bottom plate 4, an upper cover plate 5, a storage groove 51, a protruding structure 52, wiring holes 53, a reversing valve 6 and a box door 7.

Detailed Description

As shown in fig. 1-3, the present utility model provides an ion chromatograph including a advection pump and a cabinet. Specific flow path configurations for ion chromatographs may be referred to conventional techniques, and are not limited herein. The case comprises a frame 1, two side plates 2, a back plate 3, a lower bottom plate 4 and an upper cover plate 5, wherein the side plates 2 are arranged on corresponding side parts of the frame 1, the back plate 3 is arranged on the back of the frame 1, the lower bottom plate 4 is arranged at the bottom of the frame 1, the upper cover plate 5 is arranged at the top of the frame 1, a plurality of storage grooves 51 are formed in the upper cover plate 5, a protruding structure 52 is arranged on the upper cover plate 5, a reversing valve 6 is arranged on the protruding structure 52, and the advection pump is arranged in the case and connected with the reversing valve.

Specifically, the chassis of the embodiment adopts a frame structure, the frame 1 is used as a supporting main body, two sides of the frame are provided with side plates 2, the back of the frame is provided with a back plate 3, the bottom of the frame is provided with a lower bottom plate 4, the top of the frame is provided with an upper cover plate 5, and then the frame is assembled to form the chassis structural main body.

For the upper cover plate 5, a plurality of storage grooves 51 are formed on the upper surface, and different containers can be placed by utilizing the storage grooves 51, such as an eluent container and a pure water container which are often matched in the use process of the ion chromatograph. The leacheate container and the pure water container are placed in different storage grooves 51, the storage grooves 51 are utilized to effectively limit the container on the upper cover plate 5, then the leacheate container and the pure water container can be firmly placed by utilizing the top space of the ion chromatograph, and then the leacheate container and the pure water container are not required to be placed on a tabletop, so that the tabletop area occupied in the using process is saved, the leacheate container and the pure water container are limited in the corresponding storage grooves 51, and the falling caused by the influence of external collision can be avoided, so that the using reliability is improved.

The front part of the frame 1 can be provided with a door 7 which can be turned on and off, and after the door 7 is closed, the cabinet forms a relatively closed cavity for installing relevant components in the ion chromatograph.

In addition, the installation requirement of the reversing valve 6 can be met for the protruding structure 52, and the reversing valve 6 is also arranged on the upper cover plate 5 and is close to the leacheate container and the pure water container, so that the reversing valve 6 can be connected with the leacheate container and the pure water container by adopting a short connecting pipe, and the consumption of consumable materials such as the connecting pipe is saved.

Further, in order to make the overall appearance of the cabinet more attractive, the boss structure 52 is disposed at the front end portion of the upper cover plate 5, and the reversing valve 6 is disposed at the back of the boss structure 52.

Specifically, for the reversing valve 6, the reversing valve is mounted on the back of the protruding structure 52, so that the overall appearance effect of the case is better and more attractive, and the protruding structure 52 is arranged at the front end part of the upper cover plate 5, so that a connecting pipe between the reversing valve 6 and the rinse liquid container and the pure water container can be properly shielded, and the appearance effect is more beneficial to improvement.

Wherein, the reversing valve 6 can be a two-position three-way diaphragm valve which is provided with an outlet and two inlets, one inlet of the reversing valve 6 is the external interface of the leacheate and is configured to be externally connected with a leacheate container, and the other inlet of the reversing valve 6 is used for being externally connected with a pure water container.

Still further, in order to facilitate the connection between the reversing valve 6 and the components installed in the chassis of the ion chromatograph, a routing hole 53 may be further provided on the upper cover 5, and the routing hole 53 penetrates through the upper cover 5.

Specifically, after the chassis is assembled, the routing hole 53 communicates the inside and the outside of the chassis, and a connection pipe between the outlet of the reversing valve 6 and the advection pump of the ion chromatograph can be routed through the routing hole 53.

Wherein, in order to meet the requirements of beautiful appearance, the routing holes 53 are arranged at the back of the protruding structures 52.

Further, the top of the frame 1 is also provided with a wiring tube 11, and the wiring tube 11 is vertically arranged and inserted in the wiring hole 53.

Specifically, after the chassis is assembled, the wiring pipe 11 is inserted into the wiring hole 53 from the bottom, so that the connection pipe between the reversing valve and the advection pump can guide the wiring through the wiring pipe 11, and the use reliability is further effectively improved.

Further, for convenience in processing and manufacturing, the upper cover plate 5 has a complex shape, and the upper cover plate 5 may be processed into an injection structure by adopting an injection molding method. In addition, the frame 1 is required to meet the requirement of assembly strength, and for this purpose, the frame 1 may be a sheet metal frame. The side plates 2, the back plate 3, the lower bottom plate 4 and the box door 7 are manufactured by injection molding or sheet metal processing according to the requirement.

Compared with the prior art, the technical scheme of the utility model has the following technical effects: through setting up the storing recess on the upper cover plate of machine case, in the use of ion chromatograph, the leacheate container can be directly placed in the corresponding storing recess on the upper cover plate, can reliably hold the leacheate container through the storing recess, and need not to place the leacheate container at will, realize making things convenient for the user to place the leacheate container on machine case and improve the convenience of use; in addition, be provided with the switching-over valve on the protruding structure that forms on the upper cover plate, connect the leacheate container in the storing recess through the switching-over valve, so, can effectually shorten the connecting pipe for connecting the leacheate container and dispose at every turn to reduce the consumptive material use amount.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The ion chromatograph with the automatic flow path maintenance function comprises a case and a advection pump, and is characterized in that the case comprises a frame, two side plates, a back plate, a lower bottom plate and an upper cover plate, wherein the side plates are arranged on corresponding side parts of the frame, the back plate is arranged on the back of the frame, the lower bottom plate is arranged at the bottom of the frame, the upper cover plate is arranged at the top of the frame, a plurality of storage grooves are formed in the upper cover plate, a protruding structure is arranged on the upper cover plate, and a reversing valve is arranged on the protruding structure; the advection pump is arranged in the case and connected with the reversing valve.

2. The ion chromatograph with an automatic flow path maintenance function according to claim 1, wherein the projection structure is arranged at a front end portion of the upper cover plate, and the reversing valve is arranged at a back portion of the projection structure.

3. The ion chromatograph with automatic flow path maintenance function according to claim 1, wherein the reversing valve has an outlet and two inlets, one inlet of the reversing valve is an external eluent port and is configured to be externally connected to an eluent container, and the other inlet of the reversing valve is configured to be externally connected to a pure water container.

4. The ion chromatograph with automatic flow path maintenance function according to claim 1, wherein the upper cover plate is further provided with a wiring hole, and the wiring hole penetrates through the upper cover plate.

5. The ion chromatograph with automatic flow path maintenance function according to claim 4, wherein the top of the frame is further provided with a wire pipe vertically arranged and inserted in the wire hole.

6. The ion chromatograph with automatic flow path maintenance function according to claim 4, wherein the routing hole is arranged at a back of the protruding structure.

7. The ion chromatograph with automated flow path maintenance of any of claims 1-6, wherein the upper cover plate is an injection molded structure and the frame is a sheet metal frame.