Rotary joint for stem cell separator
By designing a rotary joint for a stem cell separator with a split structure, the problem of the lack of quick disassembly structure of the rotary joint in the prior art is solved, and the rapid replacement of damaged parts is achieved, which improves the disassembly efficiency and reduces the cost of use.
Patent Information
- Application Number
- CN202421746439.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-07-23
AI Technical Summary
The existing rotary joints lack an effective quick disassembly structure, which leads to the need to replace the overall rotary joint when the pipeline is damaged, resulting in economic losses and waste.
A rotary joint for stem cell separator was designed, adopting a split structure, including outer tube, connector, hose, catheter, limit rod and nut. Through the combination and disassembly of these components, the rapid replacement of damaged parts can be achieved.
This design significantly improves the removal efficiency and cost of rotary joints, avoids the need for overall replacement, and reduces waste and economic losses.
Smart Images

Figure CN223027537U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of rotary joints, and particularly relates to a rotary joint for a stem cell separator. Background Art
[0002] The centrifuge of stem cells has high centrifugal force accuracy, and the accuracy can be effectively controlled within ≤ 10×g. The density difference of the substances separated by stem cells is small. There is also a certain control over the deceleration time after separation, and the braking time is long, which can be controlled within 4 minutes and 30 seconds to prevent the separated substances from being confused and prevent the difference in solution quality. When a rotary joint is in use, it is a component for transporting liquid. However, when the existing rotary joint is in use, due to the lack of an effective quick-disassembly structure, when the external pipeline is damaged, the entire rotary joint needs to be replaced, resulting in significant economic losses and waste.
[0003] Therefore, in view of the deficiencies in the actual production and implementation of the above solutions, they are corrected and improved. At the same time, in the spirit of seeking excellence and with the assistance of professional knowledge and experience, and after various ingenious ideas and tests, the present utility model is created. A rotary joint for a stem cell separator is provided to solve the problem that when the external pipeline is damaged due to the lack of an effective quick-disassembly structure in the existing technology, the entire rotary joint needs to be replaced, resulting in significant economic losses and waste. Summary of the Utility Model
[0004] The utility model provides a rotary joint for a stem cell separator, which solves the problem that when the external pipeline is damaged due to the lack of an effective quick-disassembly structure in the existing technology, the entire rotary joint needs to be replaced, resulting in significant economic losses and waste.
[0005] The technical solution of the utility model is realized as follows: A rotary joint for a stem cell separator includes an outer tube. The main body of the outer tube has a one-way opening structure at the top end. An annular groove is formed on the inner wall of the outer tube. The annular groove is a guiding groove, and the diameter of the guiding groove is smaller than the diameter of the outer tube. The bottom end of the outer tube is fixedly connected with a connecting pipe. The main body of the connecting pipe has a two-way through structure on both the upper and lower sides, and the diameter of the connecting pipe is smaller than the diameter of the outer tube. The connecting pipe is communicated with the outer tube, and a flexible hose is fixedly connected to the bottom end surface of the connecting pipe.
[0006] According to the rotary joint for a stem cell separator of the utility model, the main body of the flexible hose is a flexible structure, and the diameter of the flexible hose is smaller than the diameter of the connecting pipe. A side plate is fixedly connected to the bottom end surface of the outer tube, and the side plate is perpendicular to the outer tube.
[0007] A rotary joint for a stem cell separator according to the present utility model, there are two side plates in total, and the two side plates are fixedly connected in a linear array at the front and rear positions of the bottom end surface of the outer tube, and a limiting rod is installed inside the two side plates, and the limiting rod is rotatably connected inside the two side plates.
[0008] A rotary joint for a stem cell separator according to the present utility model, a thread is provided on the outer peripheral surface of the limiting rod, and a conduit is fixedly connected to the inside of the limiting rod, and the main body of the conduit is a two-way through structure on the upper and lower sides, and the conduit is connected to a hose.
[0009] A rotary joint for a stem cell separator according to the present utility model, an extension tube is installed inside the outer tube, and the extension tube is a single-way closed structure at the top end, and a snap ring is fixedly connected to the outer peripheral surface of the extension tube, and the snap ring matches the guide groove, and a joint is fixedly connected to the outer peripheral surface of the extension tube, and a threaded tube is screwed inside the joint, and a diversion tube is fixedly connected to the side of the threaded tube away from the joint.
[0010] A rotary joint for a stem cell separator according to the present utility model, a nut is screwed on the outside of the limiting rod, and the limiting rod and the nut together form a limiting structure for the conduit.
[0011] After adopting the above technical solution, the beneficial effects of the present utility model are:
[0012] 1. In the present utility model, by providing a split-type joint, a diversion tube and a threaded tube, when the diversion tube and the threaded tube are damaged, the diversion tube and the threaded tube can be removed from the joint fixedly connected to the outside of the extension tube, so that they can be replaced separately when damaged. This design can significantly improve the disassembly efficiency and reduce the use cost compared with the traditional integral rotary joint when in use;
[0013] 2. In the present utility model, by providing a conduit and a limiting rod that can rotate around the side plate, when the conduit is rotatably connected inside the two side plates through the limiting rod fixedly connected to its outer peripheral surface, and the nut is screwed onto the outside of the limiting rod to realize the limiting and positioning operation of the conduit, the overall adaptability of the device can be significantly improved when in use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor.
[0015] Figure 1 The front side view structural schematic diagram of the split and sectioned rotary joint of the present utility model;
[0016] Figure 2 The combined structural schematic diagram of the rotary joint of the present utility model;
[0017] Figure 3 The front view structural schematic diagram of the rotary joint of the present utility model;
[0018] Figure 4 The combined structural schematic diagram of the side plate and the limiting rod of the rotary joint of the present utility model;
[0019] Figure 5 The combined structural schematic diagram of the extension pipe and the snap ring of the rotary joint of the present utility model;
[0020] Figure 6 The combined structural schematic diagram of the outer pipe and the guide groove of the rotary joint of the present utility model;
[0021] In the figure, 1 - outer pipe, 101 - guide groove, 102 - connecting pipe, 103 - hose; 2 - side plate, 201 - limiting rod, 202 - conduit, 203 - nut; 3 - extension pipe, 301 - snap ring, 302 - joint, 303 - diversion pipe, 304 - threaded pipe. Specific embodiments
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
[0023] Such as Figures 1-6As shown in the figure, a rotary joint for a stem cell separator includes: an outer tube 1. The main body of the outer tube 1 has a one-way opening structure at the top. An annular groove is provided on the inner wall of the outer tube 1. This annular groove is a guiding groove 101, and the diameter of the guiding groove 101 is smaller than the diameter of the outer tube 1. A connecting pipe 102 is fixedly connected to the bottom end of the outer tube 1. The main body of the connecting pipe 102 has a two-way through structure on both the upper and lower sides, and the diameter of the connecting pipe 102 is smaller than the diameter of the outer tube 1. The connecting pipe 102 is in communication with the outer tube 1. A flexible pipe 103 is fixedly connected to the bottom end surface of the connecting pipe 102. An extension pipe 3 is installed inside the outer tube 1. The extension pipe 3 has a one-way closed structure at the top. A clamping ring 301 is fixedly connected to the outer peripheral surface of the extension pipe 3. The clamping ring 301 is matched with the guiding groove 101. A joint 302 is fixedly connected to the outer peripheral surface of the extension pipe 3. A threaded pipe 304 is screwed inside the joint 302. A diversion pipe 303 is fixedly connected to the side of the threaded pipe 304 away from the joint 302.
[0024] Among them, the main body of the flexible pipe 103 is of a flexible structure, and the diameter of the flexible pipe 103 is smaller than the diameter of the connecting pipe 102. A side plate 2 is fixedly connected to the bottom end surface of the outer tube 1. The side plate 2 is perpendicular to the outer tube 1. There are two side plates 2 in total, and the two side plates 2 are fixedly connected in a linear array at the front and rear positions of the bottom end surface of the outer tube 1. A limiting rod 201 is installed inside the two side plates 2. The limiting rod 201 is rotatably connected inside the two side plates 2.
[0025] Among them, threads are provided on the outer peripheral surface of the limiting rod 201. A conduit 202 is fixedly connected to the inner side of the limiting rod 201. The main body of the conduit 202 has a two-way through structure on both the upper and lower sides. The conduit 202 is connected to the flexible pipe 103. A nut 203 is screwed on the outer side of the limiting rod 201. The limiting rod 201 and the nut 203 together form a limiting structure for the conduit 202.
[0026] During use, when assembling the rotary joint of the stem cell separator, the outer tube 1 can be connected close to the stem cell separator body through the conduit 202 fixedly connected to the bottom end surface of the flexible pipe 103. And after the connection is completed, according to the different connection orientations required currently, the orientation of the conduit 202 rotatably connected in the two side plates 2 can be manually adjusted, and the use can be realized through the bending operation of the flexible pipe 103 arranged between the conduit 202 and the connecting pipe 102. And after the bending is completed, the nut 203 is screwed to the outer side of the limiting rod 201 rotatably connected in the side plate 2 to limit the orientation of the current conduit 202.
[0027] And when in use, the extension pipe 3 can be quickly assembled by inserting the snap ring 301 fixedly connected to its outer peripheral surface into the guide groove 101 opened on the inner wall of the outer pipe 1, and the external diversion pipe 303 can be quickly assembled and used by screwing the threaded pipe 304 fixedly connected to its outer side into the inner position of the joint 302 fixedly connected to the outer peripheral surface of the extension pipe 3.
[0028] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A rotary joint for a stem cell separator, characterized in that: The invention comprises an outer tube (1), wherein the main body of the outer tube (1) is a top one-way open structure, and an annular groove is provided on the inner wall of the outer tube (1), the annular groove is a guide groove (101), and the diameter of the guide groove (101) is smaller than the diameter of the outer tube (1), and a connecting pipe (102) is fixedly connected to the bottom end of the outer tube (1), and the main body of the connecting pipe (102) is a top two-way through structure, and the diameter of the connecting pipe (102) is smaller than the diameter of the outer tube (1), the connecting pipe (102) is connected to the outer tube (1), and a hose (103) is fixedly connected to the bottom end surface of the connecting pipe (102).
2. A rotary joint for a stem cell separator according to claim 1, characterized in that: The main body of the hose (103) is a flexible structure, and the diameter of the hose (103) is smaller than the diameter of the connecting pipe (102). A side plate (2) is fixedly connected to the bottom end surface of the outer tube (1), and the side plate (2) and the outer tube (1) are arranged vertically.
3. A rotary joint for a stem cell separator according to claim 2, characterized in that: The side plates (2) are provided at two locations in total, and the two side plates (2) are fixedly connected to the front and rear sides of the bottom end surface of the outer tube (1) in a linear array, and limiting rods (201) are installed on the inner sides of the two side plates (2), and the limiting rods (201) are rotatably connected to the inner sides of the two side plates (2).
4. A rotary joint for a stem cell separator according to claim 3, characterized in that: The outer circumferential surface of the limiting rod (201) is provided with a thread, and the inner side of the limiting rod (201) is fixedly connected to a conduit (202), and the main body of the conduit (202) is a two-way through structure at the upper and lower sides, and the conduit (202) is connected to the hose (103).
5. A rotary joint for a stem cell separator according to claim 4, characterized in that: A nut (203) is screwed onto the outer side of the limiting rod (201), and the limiting rod (201) and the nut (203) together form a limiting structure for the catheter (202).
6. A rotary joint for a stem cell separator according to claim 1, characterized in that: An extension tube (3) is installed inside the outer tube (1), and the extension tube (3) is a top unidirectional closed structure, and a clamping ring (301) is fixedly connected to the outer circumference of the extension tube (3), and the clamping ring (301) matches the guide groove (101), and a joint (302) is fixedly connected to the outer circumference of the extension tube (3), and a threaded tube (304) is screwed inside the joint (302), and a flow guide tube (303) is fixedly connected to the side of the threaded tube (304) away from the joint (302).