Centrifugal container for solution layering
By designing a centrifuge container with good sealing performance, the problems of poor sealing and separation effect in the solution stratification process of existing centrifuge bottles are solved, enabling rapid connection and preventing material contamination, and improving the convenience of operation and separation efficiency.
Patent Information
- Application Number
- CN202520334087.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing centrifuge bottles have problems such as being difficult to open after being tightened, poor sealing, easy leakage of solution, and poor separation effect during the solution stratification process. In particular, organic esters are easily contaminated in the separation of water, organic esters and solid three-phase materials.
A centrifuge container comprising a cavity, a cover, valves, clamps, and a plunger was designed. Through the sealing fit between the clamps and valves and the special design of the plunger, rapid connection and strict sealing are achieved to prevent material leakage. The operation of the plunger is controlled by a limiting component to prevent solid materials from entering the tee tube and contaminating the organic esters.
It achieves solution stratification with good sealing, rapid connection and good separation effect, prevents solid material from contaminating organic esters, and improves the convenience of operation and separation efficiency.
Smart Images
Figure CN223959818U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of chemical equipment technology, and in particular to a centrifuge container for solution stratification in the chemical industry. Background Technology
[0002] As is well known, centrifuges and centrifuge bottles are required for solution layering operations. Centrifuges are equipped with turntables, centrifuge bottles and supporting facilities.
[0003] In the process of solution separation, the solution is first put into a centrifuge bottle, and then the centrifuge bottle is rotated at high speed by a turntable. The centrifugal force generated by this centrifugal force separates the solution in the centrifuge bottle into layers, thus achieving the purpose of solution separation.
[0004] Furthermore, the material of centrifuge bottles varies depending on the requirements of the application. When the requirements for solution stratification are not high, stainless steel or other metal materials can be used to make centrifuge bottles, which can be recycled. However, in medical and other applications with high cleanliness requirements, plastic centrifuge bottles must be used for testing or experiments.
[0005] Whether plastic or metal, centrifuge bottles consist of an internally threaded cap and an externally threaded bottle body that interlock, resulting in the following defects:
[0006] (1) If it is tightened too much, it will be difficult to open. If it is loosened, the seal will be poor during centrifugation, making it inconvenient to use. Also, the solution may leak out during centrifugation.
[0007] (2) The centrifugal separation effect is poor for three-phase materials containing water, organic esters and solids, and solid materials are easily contaminated with organic esters.
[0008] Therefore, a centrifuge container for solution stratification is needed to overcome one or more of the above-mentioned defects. Utility Model Content
[0009] The purpose of this invention is to provide a centrifuge container for solution stratification that features tight sealing, rapid connection, and good separation effect.
[0010] To achieve the above objectives, the centrifuge container for solution stratification of this utility model includes a cavity, a cover, a first valve, a second valve, a blind cap, a first clamp, a second clamp, a third clamp, and a plunger. The cover is sealed to the cavity. A quick connector and a tee pipe, communicating with the internal space of the cavity, are fixed to the side wall of the cavity. The quick connector is located above the tee pipe and is sealed to the first valve via a first clamp. The tee pipe has a first end, a second end directly aligned with the first end, and a third end intersecting the first end. The first end of the tee pipe is fixedly connected to the side wall of the cavity. A plunger is fitted into the first and second ends of the tee pipe. The first end of the plunger protrudes 0.2 mm to 2 mm from the side wall of the cavity towards the internal space of the cavity. The opposite second end of the plunger is assembled to the blind cover. The blind cover is sealed to the second end of the tee pipe via a second clamp, and the second valve is sealed to the third end of the tee pipe via a third clamp.
[0011] Compared to existing technologies, the first, second, and third clamps enable rapid and tight connection and sealing between the first valve and the quick connector, between the blind cap and the second end of the tee tube, and between the second valve and the third end of the tee tube. They also facilitate pulling out or pushing the plunger through the blind cap. Furthermore, during the separation of water, organic esters, and solid three-phase materials, water is released by the first valve, and organic esters are released by the second valve. More importantly, the design, where the plunger is fitted into the first and second ends of the tee tube, with the first end of the plunger protruding 0.2 mm to 2 mm from the sidewall of the cavity towards its interior space, and the opposite second end of the plunger being assembled with the blind cap, prevents solids from entering the interior of the tee tube and the second valve, thus preventing contamination of the organic esters.
[0012] Preferably, the centrifuge container for solution stratification of this utility model further includes a limiting member. A limiting groove is formed on the side wall of the plunger. The limiting member is inserted into the second end of the three-way tube and placed in the limiting groove. The length of the plunger pulled out of the three-way tube is controlled by the cooperation of the limiting member and the limiting groove.
[0013] Preferably, the limiting groove is a keyway with the opening facing upwards, and the limiting member is a pin located directly above the limiting groove.
[0014] Preferably, the centrifuge container for solution stratification of this utility model further includes a fourth clamp, and a shoulder protruding outward on the side wall of the cavity to cover the cover. The shoulder is located above the quick connector. The fourth clamp holds the cover and the shoulder tightly from the outside, and a sealing ring is also sandwiched between the cover and the shoulder.
[0015] Preferably, the second end of the tee pipe is provided with a protruding stepped structure that mates with the blind cover, the second clamp holds the blind cover and the stepped structure tightly from the outside, and a sealing ring is clamped between the blind cover and the stepped structure.
[0016] Preferably, the quick connectors are arranged in a plurality of spaced-apart arrangements around the upper and lower center lines of the cavity, and the tee tubes are arranged in a plurality of spaced-apart arrangements around the upper and lower center lines of the cavity. Each quick connector corresponds to the first clamp and the first valve, and each tee tube corresponds to the blind cap, the plunger, and the second valve.
[0017] Preferably, the number of quick connectors is the same as the number of tee pipes, and each quick connector is arranged vertically aligned with a corresponding tee pipe.
[0018] Preferably, the first end of the tee is welded or threaded to the side wall of the cavity; the quick connector is welded or threaded to the side wall of the cavity.
[0019] Preferably, the first valve and the second valve are ball valves.
[0020] Preferably, the quick connector is perpendicular to the side wall of the cavity, and the first end of the three-way tube is perpendicular to the side wall of the cavity; the third end of the three-way tube is arranged downwards; both the cavity and the cover are rotating bodies. Attached Figure Description
[0021] Figure 1 This is a plan view of the centrifuge container for solution layering according to this utility model.
[0022] Figure 2 yes Figure 1 Enlarged view of section A.
[0023] Figure 3 yes Figure 1 The diagram shows a plan view of a centrifuge container with a blind cap used for solution stratification.
[0024] Figure 4 It is a plan view showing the fourth clamp viewed in the axial direction. Detailed Implementation
[0025] To explain the technical content and structural features of this utility model in detail, the following description is provided in conjunction with the embodiments and accompanying drawings.
[0026] Please see Figure 1 The solution stratification centrifuge container 100 of this utility model is applied in a centrifuge and is assembled on the turntable of the centrifuge during use. The turntable of the centrifuge drives the solution stratification centrifuge container 100 to rotate centrifugally, thereby achieving the purpose of stratifying the material contained in the solution stratification centrifuge container 100.
[0027] Combined Figure 2 The centrifuge container 100 for solution stratification of this invention includes a cavity 10, a cover 20, a first valve 30, a second valve 40, a blind cap 50, a first clamp 60, a second clamp 70, a third clamp 80, and a plunger 90a. The cover 20 is sealed to the cavity 10, which facilitates the addition of materials to the cavity 10 and prevents leakage of materials from the cavity 10 through the joint between the cover 20 and the cover. A quick connector 13 and a tee pipe 14 communicating with the internal space 12 of the cavity 10 are respectively fixed to the side wall 11 of the cavity 10. Optionally, as an example, the quick connector 13 can be welded to the side wall 11 of the cavity 10. Obviously, depending on actual needs, the quick connector 13 can also be threaded to the side wall 11 of the cavity 10.
[0028] Meanwhile, the quick connector 13 is located above the tee pipe 14. The quick connector 13 is also connected to the first valve 30 in a sealed fit with the first clamp 60. On the one hand, it facilitates quick assembly and disassembly between the first valve 30 and the quick connector 13. On the other hand, it can prevent material leakage from the fit between the first valve 30 and the quick connector 13. Optionally, as an example, the first valve 30 is a ball valve, so that the first valve 30 has the effect of small turning torque and good sealing performance. Obviously, according to actual needs, the first valve 30 can also be other types of valves.
[0029] Furthermore, the tee pipe 14 has a first end 141, a second end 142 that is directly connected to the first end 141, and a third end 143 that intersects with the first end 141. The first end 141 of the tee pipe 14 is fixedly connected to the side wall 11 of the cavity 10. Alternatively, as an example, the first end 141 of the tee pipe 14 can be welded to the side wall 11 of the cavity 10. Obviously, depending on actual needs, the first end 141 of the tee pipe 14 can also be threaded to the side wall 11 of the cavity 10. Additionally, regarding... Figure 1 and Figure 2In this example, the first end 141 of the three-way pipe 14 is perpendicular to the side wall 11 of the cavity 10 to facilitate the assembly operation between the first end 141 of the three-way pipe 14 and the side wall 11 of the cavity 10. The third end 143 of the three-way pipe 14 is perpendicular to the first end 141 and is also arranged downwards to better meet the need for the organic ester after stratification to flow out from the second valve 40 below. Obviously, depending on actual needs, the orientation of the third end 143 of the three-way pipe 14 can be other than that, as long as it ensures that the organic ester can flow out from the second valve 40. Therefore, it is not necessary to specify the orientation. Figure 1 and Figure 2 The above is the limit.
[0030] Furthermore, the plunger 90a is fitted into the first end 141 and the second end 142 of the three-way pipe 14, so that the plunger 90a acts as a valve core to control the opening and closing between the first end 141 and the third end 143 of the three-way pipe 14; the first end 91 of the plunger 90a also protrudes a distance D relative to the side wall 11 of the cavity 10 in the direction of extending into the internal space 12 of the cavity 10 (see...). Figure 2 The thickness is 0.2 mm to 2 mm to prevent solids in the material from entering the interior of the tee tube 14 and the interior of the second valve 40 and contaminating the organic ester; the second end 92 of the plunger 90a is assembled and connected to the blind cap 50. The blind cap 50 is also connected to the second end 142 of the tee tube 14 in a sealed fit by means of the second clamp 70. On the one hand, it facilitates the quick installation and removal of the blind cap 50 and the second end 142 of the tee tube 14. On the other hand, it can prevent leakage at the fit between the blind cap 50 and the second end 142 of the tee tube 14. The second valve 40 is connected to the third end 143 of the tee pipe 14 in a sealed fit via the third clamp 80. This facilitates quick assembly and disassembly of the second valve 40 and the third end 143 of the tee pipe 14, and prevents leakage at the connection point. Alternatively, as an example, the second valve 40 can be a ball valve to achieve low turning torque and good sealing performance. Obviously, depending on actual needs, the second valve 40 can also be other types of valves. More specifically, as follows:
[0031] like Figures 1 to 2 As shown, as an example, the centrifuge container 100 for solution stratification of this invention also includes a limiting member 90b. A limiting groove 93 is formed on the side wall of the plunger 90a. The limiting member 90b passes through the second end 142 of the three-way tube 14 and is placed in the limiting groove 93. (See figure). Figure 2 As shown; therefore, by using the cooperation of the limiting member 90b and the limiting groove 93 to control the length of the plunger 90a pulled out from the tee tube 14, the convenience for the operator to pull out or push in the plunger 90a through the blind cap 50 is improved. Specifically, in Figure 3In this example, the limiting groove 93 is a keyway with the opening 931 facing upwards, and the limiting member 90b is a pin located directly above the limiting groove 93, to simplify the structure of the limiting member 90b and facilitate the fabrication of the limiting groove 93 and the plunger 90a. In this context, combined with... Figure 2 The process of plunger 90a being limited by limiter 90b is explained: When... Figure 2 When the plunger 90a slides to the left until the limiting member 90b abuts against the groove end wall 931 on the right side of the limiting groove 93, the pulling length of the plunger 90a is blocked by the abutment of the groove end wall 931 and the limiting member 90b; when the limiting member 90b abuts against the groove end wall 932 on the left side of the limiting groove 93, the abutment of the groove end wall 932 and the limiting member 90b prevents the plunger 90a from protruding a distance D from the side wall 11 of the cavity 10; therefore, through the cooperation of the limiting member 90b and the limiting groove 93, the plunger 90a can quickly and accurately switch between the closed and open states.
[0032] like Figure 1 As shown, as an example, quick connector 13 is positioned around the upper and lower center lines of cavity 10 (see Figure 10). Figure 1 Multiple quick-connectors 13 are arranged spaced apart from each other along the center lines of the cavity 10. Multiple three-way connectors 14 are also arranged spaced apart from each other around the upper and lower center lines of the cavity 10. Each quick-connector 13 corresponds to a first clamp 60 and a first valve 30, and each three-way connector 14 corresponds to a blind cap 50, a plunger 90a, and a second valve 40. This design ensures the stability of the dynamic balance of the centrifuge container 100 for solution stratification during rotation, and facilitates the uniform outflow of water and organic esters. Specifically, in... Figure 1 In the example shown, the number of quick-connect fittings 13 and tee pipes 14 is the same, and each quick-connect fitting 13 is vertically aligned with a corresponding tee pipe 14, as shown in the diagram. Figure 1 As shown, this effectively improves the dynamic balance stability of the centrifuge container 100 for solution stratification during rotation; obviously, depending on actual needs, the relationship between each quick connector 13 and its corresponding tee tube 14 can also be other, therefore it is not considered... Figure 1 The above is for reference only. Additionally, regarding... Figure 1 and Figure 2 As an example, the second end 142 of the tee pipe 14 has a protruding stepped structure 144 that mates with the blind cap 50. The second clamp 70 holds the blind cap 50 and the stepped structure 144 tightly from the outside, and a sealing ring 145 is clamped between the blind cap 50 and the stepped structure 144. This improves the ease of installation and removal between the blind cap 50 and the second end 142 of the tee pipe 14, and also enhances the reliability of the seal between the blind cap 50 and the second end 142 of the tee pipe 14. Furthermore, in... Figure 1In this example, quick connector 13 is perpendicular to the side wall 11 of cavity 10 to facilitate assembly connection of quick connector 13 to the side wall 11 of cavity 10. Both cavity 10 and cover 20 are rotatable bodies to facilitate the manufacture of cavity 10 and cover 20.
[0033] like Figure 1 As shown, as an example, the centrifuge container 100 for solution stratification of this utility model also includes a fourth clamp 90c. A shoulder 15 protrudes outward from the side wall 11 of the cavity 10 to cover the cover 20. The shoulder 15 is located above the quick connector 13. The fourth clamp 90c holds the cover 20 and the shoulder 15 tightly from the outside, and a sealing ring 16 is also sandwiched between the cover 20 and the shoulder 15. This improves the ease of assembly and disassembly between the cover 20 and the cavity 10, and also improves the reliability of the seal between the cover 20 and the cavity 10. Specifically, in conjunction with Figure 4 As an example, the fourth clamp 90c includes a screwing operation member 96 and a first arc-shaped clamping block 94 and a second arc-shaped clamping block 95 that clamp each other. One end of the second arc-shaped clamping block 95 and the first arc-shaped clamping block 94 are hinged together, and the other opposite ends of the second arc-shaped clamping block 95 and the first arc-shaped clamping block 94 are each fixed with a straight segment 97 (98) that is arranged side by side. The screwing operation member 96 is used to lock or release the straight segments 97 and 98. For example, the tightening operating element 96 can be composed of a bolt and a nut. When the tightening operating element 96 is composed of a bolt and a nut, the bolt is passed through the straight segments 97 and 98 and then threadedly connected to the nut. This achieves the purpose of locking or unlocking through the relative movement between the bolt and the nut. Obviously, according to actual needs, the tightening operating element 96 is a screw threadedly inserted into the straight segment 97. Correspondingly, a threaded hole is opened on the straight segment 98. The screw is then threadedly connected to the threaded hole to achieve the purpose of locking. Therefore, it is not considered... Figure 4 The above is for reference only. It should be noted that the structures of the first clamp 60, the second clamp 70, and the third clamp 80 can be made to be the same as the structure of the fourth clamp 90c.
[0034] Compared with the prior art, the first clamp 60, the second clamp 70 and the third clamp 80 enable the connection between the first valve 30 and the quick connector 13 to be quick and tight, the connection between the blind cap 50 and the second end 142 of the three-way pipe 14 to be quick and tight, and the connection between the second valve 40 and the third end 143 of the three-way pipe 14 to be quick and tight. It also facilitates the pulling out or pushing in of the plunger 90a through the blind cap 50. At the same time, when separating water, organic ester and solid three-phase materials, water is released by the first valve 30 and organic ester is released by the second valve 40. More importantly, by using the design that "plunger 90a is fitted into the first end 141 and the second end 142 of the three-way tube 14, and the first end 91 of plunger 90a protrudes 0.2 mm to 2 mm from the side wall 11 of the cavity 10 in the direction of extending into the internal space 12 of the cavity 10, and the opposite second end 92 of plunger 90a is assembled and connected to the blind cap 50", it is possible to prevent solids in the material from entering the interior of the three-way tube 14 and the interior of the second valve 40, thereby contaminating the organic ester.
[0035] As an example, the materials of the cavity 10, cover 20, quick connector 13, tee 14, first valve 30, second valve plate 40, blind cover 50, first clamp 60, second clamp 70, third clamp 80, plunger 90a, limiting member 90b and fourth clamp 90c can be stainless steel. Obviously, other materials well known in the art can also be selected. In addition, as an example, the blind cover 50 is fixedly connected to the second end 92 of the plunger 90a by means of screw 51.
[0036] The above-disclosed examples are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the claims of the present utility model shall fall within the scope of the present utility model.
Claims
1. A centrifugal container for solution fractionation, comprising a cavity and a lid body assembled in sealing connection with the cavity, characterized in that, The solution layering centrifuge container further comprises a first valve, a second valve, a blind cover, a first clamp, a second clamp, a third clamp and a plunger, a quick connector and a tee pipe are fixed on the side wall of the cavity and communicate with the internal space of the cavity, the quick connector is above the tee pipe, the quick connector is connected with the first valve in sealing fit by the first clamp, the tee pipe has a first end, a second end linearly connected with the first end and a third end cross-connected with the first end, the first end of the tee pipe is fixedly connected with the side wall of the cavity, the plunger is fitted in the first end and the second end of the tee pipe, the first end of the plunger protrudes 0.2mm to 2mm from the side wall of the cavity in the direction of extending into the internal space of the cavity, the second end of the plunger is assembled with the blind cover, the blind cover is connected with the second end of the tee pipe in sealing fit by the second clamp, and the second valve is connected with the third end of the tee pipe in sealing fit by the third clamp.
2. The centrifugation container for solution layering according to claim 1, characterized in that, Further comprising a limiting piece, a limiting groove is formed on the side wall of the plunger, the limiting piece penetrates into the second end of the tee pipe and is arranged in the limiting groove, and the length of the plunger pulled out of the tee pipe is controlled by the cooperation of the limiting piece and the limiting groove.
3. The centrifugation container for solution layering according to claim 2, characterized in that, The limiting groove is a key groove with the notch facing upward, and the limiting piece is a pin located directly above the limiting groove.
4. The centrifugation container for solution layering according to claim 1, characterized in that, Further comprising a fourth clamp, a shoulder protruding outward is formed on the side wall of the cavity and covers the cover body, the shoulder is above the quick connector, the fourth clamp tightly holds the cover body and the shoulder from the outside, and a sealing ring is clamped between the cover body and the shoulder.
5. The centrifugation container for solution layering according to claim 1, wherein A stepped structure protruding outward is arranged on the second end of the tee pipe and matched with the blind cover, the second clamp tightly holds the blind cover and the stepped structure from the outside, and a sealing ring is clamped between the blind cover and the stepped structure.
6. The centrifugation container for solution layering according to claim 1, wherein The quick connectors are arranged in multiple around the upper and lower center lines of the cavity, and the tee pipes are arranged in multiple around the upper and lower center lines of the cavity, each quick connector corresponds to the first clamp and the first valve, and each tee pipe corresponds to the blind cover, the plunger and the second valve.
7. The centrifugation container for solution layering according to claim 6, characterized in that The number of the quick connectors is the same as that of the tee pipes, and each quick connector is arranged in alignment with a corresponding tee pipe upward and downward.
8. The centrifugation container for solution layering according to claim 1, characterized in that, The first end of the tee pipe is welded or threadedly connected with the side wall of the cavity, and the quick connector is welded or threadedly connected with the side wall of the cavity.
9. The centrifugation container for solution layering according to claim 1, characterized in that, The first valve and the second valve are ball valves.
10. The centrifugation container for solution layering according to claim 1, characterized in that, The quick connector is perpendicular to the side wall of the cavity, the first end of the tee pipe is perpendicular to the side wall of the cavity, the third end of the tee pipe is arranged downward, and the cavity and the cover body are both rotary bodies.