Aseptic connector device

Abstract

The application relates to a sterile pipe connecting device, a base, a push-knife assembly, a left pipe clamping moving assembly, a right pipe clamping moving assembly and a knife box assembly arranged on the base; the push-knife assembly comprises a push-knife rod arranged on a push-knife rod base, and the push-knife rod base is slidably arranged on a push-knife rod track; the left pipe clamping moving assembly comprises a left pipe clamping base arranged on the push-knife rod track and opposite to the push-knife rod base; one side of the left pipe clamping base is connected with the push-knife rod base through a left pipe clamping base stretching rod, and the other side of the left pipe clamping base is provided with a left pipe clamping base limiting block; the right pipe clamping moving assembly comprises a right pipe clamping base arranged on one side of the left pipe clamping base, and the right pipe clamping base is slidably arranged on a right pipe clamping base track through a right pipe clamping base sliding block; and the knife box assembly is arranged on the inner side of the push-knife assembly and the right pipe clamping moving assembly. The application has high positioning accuracy, is simple to operate, improves the quality of pipe connecting products, and improves the pipe connecting efficiency.

Description

Technical Field

[0001] This invention relates to the field of PVC pipe connection technology, and more particularly to a sterile connection device. Background Technology

[0002] In the medical field, when connecting tubing, a fusion splice method is typically used to ensure a sterile connection within a closed system. During the fusion process, the tubing is squeezed, forming two closed ends, and the liquid inside the tubing is moved away from the fusion joint. After the fusion is complete, simply squeezing the joint connects the two tubing, allowing the liquid to flow into the other tubing. This method is suitable for blood bags, plasma separation bags, transfer bags, or connecting infusion tubing to blood bags. A sterile connector is a medical device that connects two PVC tubing in a non-sterile environment while maintaining sterility at the connection point. It is indispensable in blood collection and supply, clinical surgery, and biopharmaceutical fields. The sterile connector can sterilely connect tubing in contaminated environments (i.e., non-dust-free and sterile rooms). With the increasing demand for blood component preparation, sterile connectors are increasingly used in blood collection and supply institutions at all levels, replacing the traditional puncture method.

[0003] Connecting machines typically include tube supports for setting the first and second tubes, and clamping mechanisms located on both sides of the tube supports. Currently, the clamping mechanisms of most connecting machines on the market are single-sided moving, with one side clamping mechanism fixed and the other side moving horizontally. For example, a sterile connecting machine disclosed in Chinese Patent CN113172895A uses the above structure. The positions of the two tubes in the tube support are not stable, and the dragging action will cause the two tubes to shift in the length direction. In actual operation, this will cause the actual connecting position to deviate from the user's placement position, affecting the connecting effect. In addition, existing connecting machines generally use gear meshing drive or cam mechanism, which has a high failure rate. Moreover, connecting machines require extremely high positioning accuracy of the pipeline. Therefore, existing solutions require multiple installations and adjustments, are not easy to adjust, and are inefficient. Summary of the Invention

[0004] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a sterile connector device that provides precise connector positioning and improves connector efficiency.

[0005] The objective of this invention is achieved as follows:

[0006] A sterile tube insertion device includes a base and a pusher assembly, a left clamping tube moving assembly, a right clamping tube moving assembly, and a blade box assembly disposed on the base;

[0007] The pusher assembly includes a pusher rod and a pusher rod base. The pusher rod is mounted on the pusher rod base, and the pusher rod base is slidably mounted on the pusher rod track. The left clamping tube moving assembly includes a left clamping tube base and a left clamping tube cover plate mounted on the left clamping tube base. The left clamping tube base is mounted on the pusher rod track and is opposite to the pusher rod base. One side of the left clamping tube base is connected to the pusher rod base via a left clamping tube base tension rod, and the other side of the left clamping tube base is provided with a left clamping tube base limiting block. The right clamping tube moving assembly includes a right clamping tube base and a right clamping tube cover plate mounted on the right clamping tube base. The right clamping tube base is located on one side of the left clamping tube base, and the right clamping tube base is slidably mounted on the right clamping tube base track via a right clamping tube base slider. The blade box assembly is located inside the pusher assembly and the right clamping tube moving assembly. The blade box assembly includes a blade box containing blades. The blade box has a blade outlet on the side near the pusher assembly, and the end of the pusher rod is located on the side of the blade outlet for pushing the blades.

[0008] Furthermore, the pusher rod track is mounted on a fixed base, and the fixed base is mounted on a base; the pusher rod base is connected to the pusher rod rack of the pusher rod motor, and the pusher rod motor pushes the pusher rod base to slide on the pusher rod track, thereby driving the pusher rod to move.

[0009] Furthermore, the side wall of the left clamping tube base is provided with a left clamping tube base spring rod, and the left clamping tube cover plate is clamped onto the left clamping tube base by the left clamping tube base spring rod.

[0010] Furthermore, the left clamping tube base tension rod is provided with an elongated hole, one end of the left clamping tube base tension rod is fixed to the pusher rod base, and the left clamping tube base is provided with a locking pin, which is set in the elongated hole of the left clamping tube base tension rod.

[0011] Furthermore, the left clamping tube base limiting block is also provided with a left clamping tube base spring slot. When the pusher rod motor drives the left clamping tube base to slide along the pusher rod track, the elongated hole of the left clamping tube base tension rod moves forward along the locking post. When the locking post reaches the end of the elongated hole, the left clamping tube base drives the left clamping tube base tension rod to push the left clamping tube base 42 to slide onto the left clamping tube base limiting block, and is locked and fixed by the left clamping tube base spring slot.

[0012] Furthermore, the right clamp base is connected to a right clamp base motor, which drives the right clamp base to move along the right clamp base track.

[0013] Furthermore, the blade box assembly also includes a blade box base, the blade box is disposed on the blade box base, and a blade track is disposed between the blade box and the pusher rod track. The blade track is disposed parallel to the pusher rod track and is disposed on a blade track fixing seat.

[0014] Furthermore, the end of the pusher rod is provided with an arc-shaped portion protruding towards the blade outlet. This arc-shaped portion is located on one side of the blade outlet, and when the pusher rod moves, it pushes the blade to move towards the blade track.

[0015] Furthermore, the blade is connected to a blade lifting motor, and the blade is controlled by the blade lifting motor to move up and down within the gap of the blade box.

[0016] Furthermore, the end of the blade track away from the pusher bar is connected to one end of the waste blade track, and a waste blade box is provided below the other end of the waste blade track.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] This invention employs a pusher assembly, a left clamping tube moving assembly, a right clamping tube moving assembly, and a blade box assembly that work together in a compact structure. Three motors drive the three actions of pushing the blade, lifting and lowering the blade, and positioning the left and right clamping tubes. These three actions do not interfere with each other, the positions are easy to adjust, and the positioning accuracy is high, which greatly reduces the error rate. The operation is simple, improves the quality of the pipe fitting products, and also improves the pipe fitting efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention.

[0020] Figure 2 This is a structural schematic diagram of the present invention from another angle.

[0021] Figure 3 This is a structural schematic diagram of the present invention from another angle.

[0022] Figure 4 This is a schematic diagram of the pusher assembly of the present invention.

[0023] in:

[0024] 1. Base; 2. Support column; 3. Pusher assembly; 3. Pusher rod; 31. Pusher rod base; 32. Pusher rod motor; 33. Pusher rod rack; 34. Motor mounting bracket; 35. Pusher rod rail; 36. Mounting bracket; 37. Left clamping tube moving assembly; 4. Left clamping tube cover plate; 41. Left clamping tube base; 42. Left clamping tube base spring rod; 421. Left clamping tube base tension rod; 43. Left clamping tube base limiting block; 44. Left clamping tube base spring slot; 45. Right clamping tube moving assembly; 5. Right clamping tube cover plate; 51. Right clamping tube base. 52. Right clamp base rail; 53. Right clamp base motor; 54. Right clamp base slider; 55. Blade box assembly; 6. Blade box; 61. Blade; 62. Blade rail; 63. Blade rail fixing seat; 64. Blade box base; 65. Blade box lifting lever; 66. Blade lifting motor; 67. Blade contact; 68. Blade contact control lever; 69. Blade contact control lever rail; 610. Blade contact base; 611. Blade cooling fan; 612. Waste blade box; 7. Waste blade rail; 71. Implementation

[0025] To better understand the technical solution of the present invention, a detailed description will be provided below in conjunction with relevant illustrations. It should be understood that the specific embodiments described below are not intended to limit the specific implementation of the technical solution of the present invention, but are merely possible implementations of the technical solution of the present invention. It should be noted that the descriptions of the positional relationships of the components herein, such as component A being located above component B, are based on the relative positions of the components in the illustrations and are not intended to limit the actual positional relationships of the components. Example 1

[0026] See Figure 1-4 , Figure 1 A schematic diagram of the aseptic tube assembly of the present invention has been drawn. As shown in the figure, an aseptic tube assembly includes a base 1 and a pusher assembly 3, a left clamping tube moving assembly 4, a right clamping tube moving assembly 5, and a blade box assembly 6 disposed on the base 1. Four support columns 2 are provided below the base 1 for supporting the base 1.

[0027] The pusher assembly 3 includes a pusher rod 31 and a pusher rod base 32. The pusher rod 31 is mounted on the pusher rod base 32, and the pusher rod base 32 is slidably mounted on the pusher rod track 36. The pusher rod track 36 is mounted on a fixed seat 37, and the fixed seat 37 is mounted on a base 1. The pusher rod base 32 is connected to the pusher rod rack 34 of the pusher rod motor 33. The pusher rod motor 33 is fixed to the side wall of the fixed seat 37 through a motor fixing seat 35. The pusher rod motor 33 pushes the pusher rod base 32 to slide on the pusher rod track 36, thereby driving the pusher rod 31 to move.

[0028] The left clamping tube moving assembly 4 includes a left clamping tube cover plate 41 and a left clamping tube base 42. The side wall of the left clamping tube base 42 is provided with a left clamping tube base spring rod 421. The left clamping tube cover plate 41 is clamped on the left clamping tube base 42 by the left clamping tube base spring rod 421. The left clamping tube base 42 is set on the pusher rod track 36 and is opposite to the pusher rod base 32. One side of the left clamping tube base 42 is connected to the pusher rod base 32 by a left clamping tube base tension rod 43. The other side of the left clamping tube base 42 is provided with a left clamping tube base limiting block 44. The left clamping tube base limiting block 44 is fixed to the end of the pusher rod track 36.

[0029] The left clamping tube base tension rod 43 has an elongated hole. One end of the left clamping tube base tension rod 43 is fixed to the pusher rod base 32. The left clamping tube base 42 has a locking post, which is set in the elongated hole of the left clamping tube base tension rod 43. The left clamping tube base limiting block 44 also has a left clamping tube base spring slot 45. When the pusher rod motor 33 drives the left clamping tube base 42 to slide along the pusher rod track 36, the elongated hole of the left clamping tube base tension rod 43 moves forward along the locking post. When the locking post reaches the end of the elongated hole, the left clamping tube base 42 drives the left clamping tube base tension rod 43 to push the left clamping tube base 42 to slide onto the left clamping tube base limiting block 44, and is locked in place by the left clamping tube base spring slot 45.

[0030] The right clamping tube moving assembly 5 includes a right clamping tube cover plate 51 and a right clamping tube base 52. The right clamping tube cover plate 51 is disposed on the right clamping tube base 52. The right clamping tube base 52 is disposed on one side of the left clamping tube base 42. The right clamping tube base 52 is slidably disposed on the right clamping tube base track 53 by a right clamping tube base slider 55. The right clamping tube base track 53 is disposed on a fixed base 37. The right clamping tube base 52 is connected to a right clamping tube base motor 54, and the right clamping tube base 52 is driven by the right clamping tube base motor 54 to move along the right clamping tube base track 53.

[0031] The extension lines of the right clamping tube base track 53 and the pusher rod track 36 intersect perpendicularly, and the left clamping tube cover plate 41 and the right clamping tube cover plate 51 are located on the same horizontal plane.

[0032] The blade box assembly 6 is disposed inside the pusher assembly 3 and the right clamp tube moving assembly 5. The blade box assembly 6 includes a blade box 61 and a blade box base 65. The blade box 61 is disposed on the blade box base 65, and the blade box base 65 is disposed on the fixing seat 37. The blade box 61 contains a blade 62 (i.e., a welding piece). A blade track 63 is disposed between the blade box 61 and the pusher rod track 36. The blade track 63 is disposed parallel to the pusher rod track 36. The blade track 63 is disposed on the blade track fixing seat 64, and the blade track fixing seat 64 is disposed on the fixing seat 37.

[0033] The blade box base 65 is provided with a blade box removal lever 66. Pressing the blade box removal lever 66 will remove the blade box 61 for replacement.

[0034] The blade box 61 has a blade outlet on the side near the pusher assembly 3. The end of the pusher rod 31 has an arc-shaped portion protruding towards the blade outlet. This arc-shaped portion is located on one side of the blade outlet. When the pusher rod 31 moves, it pushes the blade 62 towards the blade track 63. The blade track 63 has a blade contact 68 at one end near the blade outlet. A blade contact base 611 is located below the blade contact 68. The blade contact 68 forms an electrical connection with the contact surface of the blade 62. The movement of the blade 62 achieves the closing and opening of the blade contact 68. The bottom surface of the blade 62 is connected to a blade contact control rod 69. Located below the blade contact base 611, the blade contact control rod 69 has a bent portion extending out of the blade contact base 611. The end of the bent portion is located on the blade contact control rod track 610, which is located below the arc-shaped portion of the push rod 31. Pushing the blade contact control rod 69 along the blade contact control rod track 610 moves the blade 62, thereby controlling the contact state of the blade contact 68. The blade 62 is connected to the blade lifting motor 67, which controls the blade 62 to move up and down within the gap of the blade box 61. The blade lifting motor 67 is equipped with an origin sensor.

[0035] The end of the blade track 63 away from the pusher rod 31 is connected to one end of the waste blade track 71, and a waste blade box 7 is provided below the other end of the waste blade track 71 for collecting waste blades.

[0036] Below the waste blade track 71 is a blade cooling fan 612, which is used to cool down the blade 62 which is in a high-temperature state after welding.

[0037] Working principle:

[0038] This invention provides a sterile tube insertion device, including a pusher assembly 3, a left clamping tube moving assembly 4, a right clamping tube moving assembly 5, and a blade box assembly 6. The pusher assembly 3 and the blade box assembly 6 are tightly assembled left and right. The pusher rod 31 is moved by the pusher rod motor 33. The end of the pusher rod 31 is correspondingly set with the blade outlet of the blade box 61. When the pusher rod 31 moves forward, it can drive the blade 62 out of position. The blade 62 is raised and lowered by the blade lifting motor 67. After a blade 62 is used, it is recycled to the waste blade box 7. A new blade 62 is raised by the blade lifting motor 67 and put into use.

[0039] The pusher assembly 3 and the left clamping tube moving assembly 4 are assembled in a coordinated manner. The pusher rod base 32 is connected to the left clamping tube base 42 through the left clamping tube base tension rod 43, realizing the linkage between the pusher rod 31 and the left clamping tube base 42. When the locking pin on the left clamping tube base 42 reaches the port of the elongated hole of the left clamping tube base tension rod 43, it further pushes the left clamping tube base 42, causing the left clamping tube base 42 to slide onto the left clamping tube base limiting block 44 and engage, thus realizing the misalignment of the left clamping tube. Then the right clamping tube moving assembly 5 moves to the left and closes to the left clamping tube base 42, so that the molten tube opening is pressed together.

[0040] The above are merely specific application examples of the present invention and do not constitute any limitation on the scope of protection of the present invention. All technical solutions formed by equivalent transformations or equivalent substitutions fall within the scope of protection of the present invention.

Claims

1. A sterile inlet / outlet device, characterized in that: It includes a base (1) and a pusher assembly (3), a left clamping tube moving assembly (4), a right clamping tube moving assembly (5) and a blade box assembly (6) disposed on the base (1). The pusher assembly (3) includes a pusher rod (31) and a pusher rod base (32). The pusher rod (31) is mounted on the pusher rod base (32), and the pusher rod base (32) is slidably mounted on the pusher rod track (36). The left clamping tube moving assembly (4) includes a left clamping tube base (42) and a left clamping tube cover plate (41) mounted on the left clamping tube base (42). The left clamping tube base (42) is mounted on the pusher rod track (36) and is opposite to the pusher rod base (32). One side of the left clamping tube base (42) is connected to the pusher rod base (32) via a left clamping tube base tension rod (43), and the other side of the left clamping tube base (42) is provided with a left clamping tube base limiting block (44). The right clamping tube moving assembly (5) Includes a right clamping tube base (52) and a right clamping tube cover plate (51) disposed on the right clamping tube base (52). The right clamping tube base (52) is disposed on one side of the left clamping tube base (42). The right clamping tube base (52) is slidably disposed on the right clamping tube base track (53) by a right clamping tube base slider (55). The blade box assembly (6) is disposed inside the pusher assembly (3) and the right clamping tube moving assembly (5). The blade box assembly (6) includes a blade box (61). The blade box (61) is provided with a blade (62). The blade box (61) is provided with a blade outlet on the side near the pusher assembly (3). The end of the pusher rod (31) is disposed on the side of the blade outlet for pushing the blade (62). The left clamping tube base tension rod (43) has an elongated hole. One end of the left clamping tube base tension rod (43) is fixed on the pusher rod base (32). The left clamping tube base (42) has a locking pin, which is set in the elongated hole of the left clamping tube base tension rod (43). The left clamping tube base limiting block (44) is also provided with a left clamping tube base spring slot (45). When the pusher rod motor (33) drives the left clamping tube base (42) to slide along the pusher rod track (36), the elongated hole of the left clamping tube base tension rod (43) moves forward along the locking post. When the locking post reaches the end of the elongated hole, the left clamping tube base (42) drives the left clamping tube base tension rod (43) to push the left clamping tube base (42) to slide onto the left clamping tube base limiting block (44) and is locked and fixed by the left clamping tube base spring slot (45).

2. The aseptic connector device according to claim 1, characterized in that: The push rod track (36) is set on the fixed seat (37), and the fixed seat (37) is set on the base (1); the push rod base (32) is connected to the push rod rack (34) of the push rod motor (33), and the push rod motor (33) is fixed to the side wall of the fixed seat (37) through the motor fixed seat (35). The push rod motor (33) pushes the push rod base (32) to slide on the push rod track (36), thereby driving the push rod (31) to move.

3. The aseptic connector device according to claim 1, characterized in that: The side wall of the left clamping tube base (42) is provided with a left clamping tube base spring rod (421), and the left clamping tube cover plate (41) is clamped on the left clamping tube base (42) by the left clamping tube base spring rod (421).

4. The aseptic connector device according to claim 1, characterized in that: The right clamp base (52) is connected to the right clamp base motor (54), and the right clamp base (52) is driven by the right clamp base motor (54) to move along the right clamp base track (53).

5. The aseptic connector device according to claim 1, characterized in that: The blade box assembly (6) also includes a blade box base (65), the blade box (61) is disposed on the blade box base (65), a blade track (63) is disposed between the blade box (61) and the pusher rod track (36), the blade track (63) is disposed parallel to the pusher rod track (36), and the blade track (63) is disposed on the blade track fixing seat (64).

6. The aseptic connector device according to claim 5, characterized in that: The end of the push rod (31) is provided with an arc-shaped part protruding towards the blade outlet. The arc-shaped part is located on one side of the blade outlet. When the push rod (31) moves, it pushes the blade (62) to move towards the blade track (63).

7. The aseptic connector device according to claim 1, characterized in that: The blade (62) is connected to the blade lifting motor (67), and the blade (62) is controlled by the blade lifting motor (67) to move up and down in the gap of the blade box (61).

8. The aseptic connector device according to claim 5, characterized in that: The blade track (63) is connected to one end of the waste blade track (71) away from the pusher rod (31), and a waste blade box (7) is provided below the other end of the waste blade track (71).

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