Multifunctional eluent replacement device
By designing the support frame, hinges, and cover plate in combination, the system achieves a seal for the eluent bottle and sample bottle, solving the problem of inconvenient sealing in existing devices and improving experimental accuracy and transportation safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-03-24
AI Technical Summary
Existing multifunctional eluent replacement devices are not convenient for sealing the eluent bottle and sample bottle during use, which allows impurities to enter and affects the accuracy of the experiment.
A multifunctional eluent replacement device was designed, comprising a base, a sealing component, a protective component, and a support component. Through the cooperation of the support frame, hinge, and cover plate, the device effectively seals the eluent bottle and the sample bottle, preventing impurities from entering.
It effectively prevents impurities from entering the eluent and sample vials, improving experimental accuracy and enhancing safety and convenience during transportation.
Smart Images

Figure CN224024325U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of chemical experimental equipment technology, and in particular to a multifunctional eluent replacement device. Background Technology
[0002] For most instrumental analyses, such as gas chromatography and high-performance liquid chromatography, preparing eluents and injection solutions is an essential step. To maintain the cleanliness of the instrument room, eluent preparation and sample pretreatment are often carried out in a dedicated physicochemical laboratory. The prepared sample solutions and eluents need to be transported to the instrument room. The eluent bottles containing the eluent are relatively large and inconvenient to transport; while the injection bottles are smaller and are generally transported separately from the eluent bottles, which is inconvenient to handle, reduces work efficiency, and wastes manpower.
[0003] The existing publication number CN206199329U discloses a multifunctional eluent replacement device, which includes a base plate, a sample vial mounting hole, a support rod, a base plate fixing seat, a connecting column, a handle mounting base, a top plate, an eluent fixing hole, and a handle. Using this multifunctional eluent replacement device, multiple eluent bottles along with the sample vials to be tested can be transported from the physicochemical laboratory to the instrument room at the same time, improving work efficiency. At the same time, it avoids direct contact between the human body and the eluent bottles during transportation, reduces the slight changes in the liquid composition inside the eluent bottles caused by the influence of body temperature, and increases experimental accuracy.
[0004] However, the aforementioned multifunctional eluent replacement device is not convenient for sealing the eluent bottle and sample bottle during use, which can easily lead to impurities entering the eluent bottle and sample bottle, resulting in a decrease in experimental accuracy. Utility Model Content
[0005] The purpose of this invention is to provide a multifunctional eluent replacement device, which solves the problem that when using a multifunctional eluent replacement device, it is not convenient to seal the eluent bottle and the sample bottle, which can easily lead to impurities entering the eluent bottle and the sample bottle, resulting in a decrease in experimental accuracy.
[0006] To achieve the above objectives, this utility model provides a multifunctional eluent replacement device, comprising a base, a sealing assembly, a protective assembly, and a support assembly. The sealing assembly includes a support frame, a handle, hinges, and a cover plate. The support frame is fixedly connected to the base and located at the top of the base. The handle is fixedly connected to the support frame and located at the top of the support frame. Multiple hinges are provided, each fixedly connected to the support frame and located at the center of the support frame. Multiple cover plates are provided, each fixedly connected to the hinges and located at the center of the support frame. The protective assembly and the support assembly are respectively connected to the base.
[0007] The sealing assembly further includes fixing plates and magnetic plates. There are multiple fixing plates, which are fixedly connected to the support frame and located in the middle of the support frame. There are multiple magnetic plates, which are fixedly connected to the cover plate and located on the top of the cover plate.
[0008] The protective component includes a limiting plate, a fixing plate, and limiting strips. The limiting plate is detachably connected to the base and is located at the top of the base. The fixing plate is fixedly connected to the limiting plate and is located at the bottom of the limiting plate. There are multiple limiting strips, each of which is fixedly connected to the fixing plate and located between the fixing plate and the base.
[0009] The protective component further includes a fixing base and a protective frame. The fixing base is fixedly connected to the support frame and is located in the middle of the support frame. The protective frame is fixedly connected to the fixing base and is located at the bottom of the fixing base.
[0010] The support assembly includes telescopic rods and pads. There are multiple telescopic rods, each fixedly connected to the base and located at the bottom of the base. There are also multiple pads, each fixedly connected to the telescopic rod and located at the bottom of the telescopic rod.
[0011] This utility model discloses a multifunctional eluent replacement device. The base provides support for the device, the support frame provides support for the sealing assembly and the protective assembly, the handle facilitates the transfer of the device, and the hinge provides support and rotation for the cover plate. In use, the cover plate is opened along the hinge, and then fixed by the fixing plate and the magnetic suction plate. The eluent bottle and the injection bottle are then placed in the protective assembly. Finally, the cover plate is rotated along the hinge to cover the top of the protective assembly, thus protecting the eluent bottle and the injection bottle in the protective assembly and preventing impurities in the air from entering them. This solves the problem that multifunctional eluent replacement devices are not easy to seal during use, which can easily lead to impurities entering the eluent bottle and the injection bottle, resulting in a decrease in experimental accuracy. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.
[0013] Figure 1 This is a schematic diagram of the overall structure of the multifunctional eluent replacement device according to the first embodiment of this utility model.
[0014] Figure 2 This is a schematic diagram of the sealing assembly according to the first embodiment of the present invention.
[0015] Figure 3 This is a schematic diagram of the structure of the protective component according to the first embodiment of this utility model.
[0016] In the diagram: 101-base, 102-support frame, 103-handle, 104-hinge, 105-cover plate, 106-fixing plate, 107-magnetic plate, 108-limiting plate, 109-fixing plate, 110-limiting strip, 111-fixed seat, 112-protective frame, 113-telescopic rod, 114-shield. Detailed Implementation
[0017] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0018] The first embodiment of this application is as follows:
[0019] Please see Figures 1 to 3 ,in, Figure 1 This is a schematic diagram of the overall structure of the multifunctional eluent replacement device according to the first embodiment of this utility model. Figure 2 This is a schematic diagram of the sealing assembly according to the first embodiment of the present invention. Figure 3 This is a schematic diagram of the protective component of the first embodiment of the present invention. The present invention provides a multifunctional eluent replacement device, including a base 101, a sealing component, a protective component, and a support component. The sealing component includes a support frame 102, a handle 103, a hinge 104, a cover plate 105, a fixing plate 106, and a magnetic suction plate 107. The protective component includes a limiting plate 108, a fixing plate 109, a limiting strip 110, a fixing seat 111, and a protective frame 112. The support component includes a telescopic rod 113 and a gasket 114. The aforementioned solution solves the problem that the multifunctional eluent replacement device is inconvenient to seal the eluent bottle and the injection bottle during use, which easily leads to impurities entering the eluent bottle and the injection bottle, resulting in a decrease in experimental accuracy. It is understood that the aforementioned solution can be used in scenarios where the eluent bottle and the injection bottle are protected against dust, and can also be used to solve the problem of shock absorption and anti-slip of the device.
[0020] In this specific embodiment, the support frame 102 is fixedly connected to the base 101 and located at the top of the base 101; the handle 103 is fixedly connected to the support frame 102 and located at the top of the support frame 102; there are multiple hinges 104, each fixedly connected to the support frame 102 and located in the middle of the support frame 102; there are multiple cover plates 105, each fixedly connected to the hinges 104 and located in the middle of the support frame 102; the protective assembly and the support assembly are respectively connected to the base 101, and the base 101 provides support for the device. The support frame 102 provides support for the sealing assembly and the protective assembly. The handle 103 facilitates the transfer of the device. The hinge 104 provides support and rotation for the cover plate 105. In use, the cover plate 105 is opened along the hinge 104 and fixed by the fixing piece 106 and the magnetic suction piece 107. Then, the eluent bottle and the injection bottle are placed in the protective assembly. Finally, the cover plate 105 is rotated along the hinge 104 to cover the top of the protective assembly, which facilitates the protection of the eluent bottle and the injection bottle in the protective assembly and prevents impurities in the air from entering the eluent bottle and the injection bottle.
[0021] The fixing pieces 106 are multiple in number, and each fixing piece 106 is fixedly connected to the support frame 102 and located in the middle of the support frame 102. The magnetic suction pieces 107 are multiple in number, and each magnetic suction piece 107 is fixedly connected to the cover plate 105 and located on the top of the cover plate 105. The fixing pieces 106 and the magnetic suction pieces 107 cooperate with each other to facilitate the fixation of the cover plate 105 and prevent the cover plate 105 from suddenly closing when the eluent bottle and the sample bottle are loaded, which would cause damage to the eluent bottle and the sample bottle.
[0022] Secondly, the limiting plate 108 is detachably connected to the base 101 and is located at the top of the base 101. The fixing plate 109 is fixedly connected to the limiting plate 108 and is located at the bottom of the limiting plate 108. There are multiple limiting strips 110, each fixedly connected to the fixing plate 109 and located between the fixing plate 109 and the base 101. The limiting plate 108 provides a limiting function for the fixing plate 109. The fixing plate 109 is used to fix and protect the sample vials. The limiting strips 110 provide a guiding function for the fixing plate 109 and the limiting plate 108. When transferring different sample vials, the fixing plate 109 can be removed along the limiting strips 110 to facilitate the replacement of the fixing plate 109 for fixing and protecting different sample vials.
[0023] Furthermore, the fixing base 111 is fixedly connected to the support frame 102 and is located in the middle of the support frame 102. The protective frame 112 is fixedly connected to the fixing base 111 and is located at the bottom of the fixing base 111. The fixing base 111 is used to fix the eluent bottle, and the protective frame 112 is used to protect the eluent bottle inside the fixing base 111 to prevent damage to the eluent bottle.
[0024] Finally, there are multiple telescopic rods 113, each fixedly connected to the base 101 and located at the bottom of the base 101. There are also multiple gaskets 114, each fixedly connected to the telescopic rod 113 and located at the bottom of the telescopic rod 113. The telescopic rod 113 is equipped with a damping spring to provide shock absorption for the device. The gaskets 114 are used to protect the telescopic rod 113 and prevent the device from slipping.
[0025] Using the multifunctional eluent replacement device of this embodiment, the base 101 provides support for the device, the support frame 102 provides support for the sealing assembly and the protective assembly, the handle 103 facilitates the transfer of the device, and the hinge 104 provides support and rotation for the cover plate 105. In use, the cover plate 105 is opened along the hinge 104 and fixed by the fixing piece 106 and the magnetic suction piece 107. Then, the eluent bottle and the injection bottle are placed in the protective assembly. Finally, the cover plate 105 is rotated along the hinge 104 to cover the top of the protective assembly, which facilitates the protection of the eluent bottle and the injection bottle in the protective assembly and prevents impurities in the air from entering the eluent bottle and the injection bottle. This solves the problem that the multifunctional eluent replacement device is not easy to seal the eluent bottle and the injection bottle during use, which can easily lead to impurities entering the eluent bottle and the injection bottle and causing a decrease in experimental accuracy.
[0026] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.
Claims
1. A multifunctional eluent replacement device, comprising a base, characterized in that, It also includes sealing components, protective components, and support components; The sealing assembly includes a support frame, a handle, hinges, and a cover plate. The support frame is fixedly connected to the base and located on top of the base. The handle is fixedly connected to the support frame and located on top of the support frame. There are multiple hinges, each fixedly connected to the support frame and located in the middle of the support frame. There are multiple cover plates, each fixedly connected to the hinges and located in the middle of the support frame. The protective assembly and the support assembly are respectively connected to the base.
2. The multifunctional eluent replacement device as described in claim 1, characterized in that, The sealing assembly further includes fixing plates and magnetic plates. There are multiple fixing plates, which are respectively fixedly connected to the support frame and located in the middle of the support frame. There are multiple magnetic plates, which are respectively fixedly connected to the cover plate and located on the top of the cover plate.
3. The multifunctional eluent replacement device as described in claim 1, characterized in that, The protective component includes a limiting plate, a fixing plate, and limiting strips. The limiting plate is detachably connected to the base and is located at the top of the base. The fixing plate is fixedly connected to the limiting plate and is located at the bottom of the limiting plate. There are multiple limiting strips, each of which is fixedly connected to the fixing plate and located between the fixing plate and the base.
4. The multifunctional eluent replacement device as described in claim 3, characterized in that, The protective assembly further includes a fixing base and a protective frame. The fixing base is fixedly connected to the support frame and is located in the middle of the support frame. The protective frame is fixedly connected to the fixing base and is located at the bottom of the fixing base.
5. The multifunctional eluent replacement device as described in claim 1, characterized in that, The support assembly includes telescopic rods and pads. There are multiple telescopic rods, each fixedly connected to the base and located at the bottom of the base. There are also multiple pads, each fixedly connected to the telescopic rod and located at the bottom of the telescopic rod.
Citation Information
Patent Citations
Multi -functional eluate replacement device
CN206199329U