A kind of NA interface mouth ring device of quick opening and closing pressure vessel

Abstract

The utility model discloses a kind of NA interface's mouth hoop device of quick opening and closing pressure vessel, the utility model relates to the technical field of plugging and closing NA interface, it includes first clamp and second clamp, first clamp and second clamp are all including clamp body, arc slot is opened in clamp body, the side of arc slot is opened with the inclined plane butt joint, the other side of inclined plane is opened with the inside slot being set along the length direction of clamp body;Between the boss of first clamp and the boss of second clamp, connecting plate is hinged through first pin shaft;U-shaped groove of first clamp is hinged with slip bolt through second pin shaft, the other end of slip bolt penetrates the U-shaped groove of second clamp, and sleeve nut is threadedly connected on extension end. The utility model has the beneficial effects that: improve NA interface plugging efficiency, improve NA interface opening efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of sealing and closing NA interfaces, and in particular to a clamp device for quickly opening and closing the NA interface of a pressure vessel. Background Technology

[0002] The preparation of pharmaceuticals is inseparable from pressure vessels. Multiple NA ports 2, also known as sterile tubes, are distributed on the side wall of pressure vessel 1. Each NA port 2 is connected to the inner cavity of pressure vessel 1. An annular disc 3, connected to and fixed to the right end of each NA port 2, is provided. A groove 4 is formed on the right end face of the annular disc 3, and a ring-shaped sealing ring mounting groove 5 is formed at the bottom of the groove 4. Figure 1 The diagram shows the connection between one of the NA interfaces 2 and the pressure vessel 1.

[0003] When a worker needs to seal a specified number of NA ports 2 on pressure vessel 1, the worker's operating procedure is as follows: S1. The worker takes out a sealing ring 6 and inserts it into the sealing ring mounting groove 5 from right to left. Figure 2 As shown; S2, The worker takes out a... Figures 3-4 The blind plate 7 shown is circular in shape, and its outer edge is chamfered 8. The worker inserts the blind plate 7 into the slot 4 of the annular disk 3 from right to left, as shown. Figure 5 As shown; S3. The worker removes a pressure cap 9 and places it against the right end face of the annular disc 3. Then, eight locking screws 10 are threaded through the flange holes on the edge of the pressure cap 9 and connected to the annular disc 3, thereby fixing the pressure cap 9 to the annular disc 3. Figures 6-7 As shown, under the connecting force of the locking screw 10 and the annular disc 3, both the sealing ring 6 and the blind plate 7 are fixed in the slot 4, thereby achieving the sealing of the first NA interface 2 by using the blind plate 7; S4. The worker repeats steps S1 to S3 multiple times to seal all the specified number of NA ports 2 on the pressure vessel 1.

[0004] When a worker needs to open a specified number of NA ports 2 on pressure vessel 1, the worker's operating procedure is as follows: Sa, the worker unscrews the 8 locking screws 10 between the pressure cap 9 and the annular disc 3; Sb, the worker removes the pressure cap 9 from the annular disc 3, and then removes the blind plate 7 and the sealing ring 6 from the slot 4 in sequence. At this time, the NA interface 2 is connected to the outside, thus opening the first NA interface 2. By repeating steps Sa to Sb multiple times, workers can open all the specified number of NA ports 2 on the pressure vessel 1. Once opened, external pipes can be connected to the NA ports 2, thereby conveying the raw materials for preparing pharmaceuticals into the pressure vessel 1 through the external pipes.

[0005] However, although the worker was able to seal and open the NA interface 2 by using the combination of the pressure cap 9 and the locking screw 10, the following technical defects still exist in actual use: I. In step S3, the worker needs to tighten a total of 8 locking screws 10 to fix the gland 9 onto the annular disc 3, and then fix the sealing ring 6 and the blind plate 7, and then seal the NA interface 2. However, the large number of locking screws 10 to be tightened results in a long time required to seal all the specified number of NA interfaces 2 on the pressure vessel 1, thus resulting in a technical defect of low efficiency in sealing the NA interfaces 2.

[0006] II. In step Sa, the worker needs to unscrew a total of 8 locking screws 10 between the pressure cap 9 and the annular disc 3 in order to remove the pressure cap 9 from the annular disc 3, and then remove the blind plate 7, and then open the NA interface 2. The large number of locking screws 10 to be unscrewed results in a long time required to open all the specified number of NA interfaces 2 on the pressure vessel 1, thus resulting in a technical defect of low efficiency in opening the NA interfaces 2.

[0007] Therefore, there is an urgent need for a clamp device that can improve the sealing efficiency and opening efficiency of the NA interface. Utility Model Content

[0008] The purpose of this invention is to overcome the shortcomings of the prior art and provide a clamp device for quickly opening and closing the NA interface of a pressure vessel, which improves the sealing efficiency and opening efficiency of the NA interface.

[0009] The purpose of this utility model is achieved through the following technical solution: a clamp device for quickly opening and closing the NA interface of a pressure vessel, which includes a first clamp and a second clamp. Both the first clamp and the second clamp include a clamp body. An arc-shaped groove is opened in the clamp body. An inclined surface is opened on one side of the arc-shaped groove to connect with it. An inner groove is opened on the other side of the inclined surface along the length direction of the clamp body. The inner groove matches the outer contour of the annular disc. A boss is fixed at the bottom of the clamp body. A connecting platform is fixed at the top of the clamp body. A U-shaped groove is opened on the top surface of the connecting platform. The arc-shaped groove of the first clamp is opposite to the arc-shaped groove of the second clamp, and the inner groove of the first clamp is opposite to the inner groove of the second clamp. The boss of the first clamp and the boss of the second clamp are hinged together by a first pin. The first clamp has a swivel bolt hinged to the U-shaped groove of the second clamp via a second pin. The other end of the swivel bolt passes through the U-shaped groove of the second clamp, and a sleeve nut is threaded onto the extended end. Under the threaded connection force, the sleeve nut presses against the outer end face of the connecting platform of the second clamp to lock the first clamp and the second clamp together.

[0010] The bevels of both clamp bodies are matched with the chamfers of the blind flange.

[0011] Both clamp bodies have first rivet holes in their bosses, and the U-shaped first pins pass through the first rivet holes. The two ends of the connecting plate are respectively hinged to the two U-shaped first pins.

[0012] The first clamp has a second rivet hole on the side wall of the U-shaped groove, and the second pin passes through the second rivet hole.

[0013] The sleeve nut is hinged to a handle via a third pin.

[0014] This invention has the following advantages: it improves the NA interface blocking efficiency and the NA interface opening efficiency. Attached Figure Description

[0015] Figure 1 A schematic diagram showing the connection between an NA interface and a pressure vessel; Figure 2 This is a schematic diagram showing the sealing ring being inserted into the sealing ring mounting groove from right to left. Figure 3 This is a schematic diagram of the blind flange structure; Figure 4 for Figure 3 Main section diagram; Figure 5 This is a schematic diagram showing how a blind flange is inserted into a slot in a circular disc from right to left. Figure 6 This is a schematic diagram showing how the pressure cap is fixed to the annular disc. Figure 7 for Figure 6 A schematic diagram of direction C; Figure 8 This is a schematic diagram of the structure of this utility model; Figure 9 This is a schematic diagram of the first clamp structure; Figure 10 for Figure 9 DD sectional view; Figure 11 This is a schematic diagram of the second clamp. Figure 12 for Figure 11 EE sectional view; Figure 13 This is the front view of the connecting plate; Figure 14 for Figure 13 Top view; Figure 15 This is a schematic diagram of the sleeve nut structure; Figure 16 This is a schematic diagram showing the movement of the sleeve nut along the joint bolt in a direction away from the connecting platform; Figure 17 A schematic diagram showing how a worker can remove the slip bolt from the U-shaped groove of the second clamp; Figure 18 This is a schematic diagram showing how to manually separate the first clamp from the second clamp; Figure 19 This is a schematic diagram showing the annular disc being locked between the inner groove of the first clamp and the inner groove of the second clamp. Figure 20 for Figure 19 Main section diagram; In the picture: 1-Pressure vessel, 2-NA interface, 3-Annular disc, 4-Slot, 5-Sealing ring mounting groove, 6-Sealing ring, 7-Blind flange, 8-Chamfer, 9-Gland, 10-Locking screw; 11-First clamp, 12-Second clamp, 13-Clamp body, 14-Arc groove, 15-Bevel, 16-Inner groove, 17-Boss, 18-Connecting platform, 19-U-shaped groove, 20-First pin, 21-Connecting plate, 22-Second pin, 23-Swivel bolt, 24-Sleeve nut, 25-First rivet hole, 26-Second rivet hole, 27-Handle. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings. The scope of protection of the present invention is not limited to the following description: like Figures 8-15 As shown, a clamp device for quickly opening and closing the NA interface of a pressure vessel includes a first clamp 11 and a second clamp 12. Both the first clamp 11 and the second clamp 12 include a clamp body 13. An arc-shaped groove 14 is formed inside the clamp body 13. An inclined surface 15 is formed on one side of the arc-shaped groove 14 to engage with it. An inner groove 16 is formed on the other side of the inclined surface 15 along the length direction of the clamp body 13. The inner groove 16 matches the outer contour of the annular disk 3. A boss 17 is fixedly provided at the bottom of the clamp body 13. A connecting platform 18 is fixedly provided at the top of the clamp body 13. A U-shaped groove 19 is formed on the top surface of the connecting platform 18.

[0017] The arc-shaped groove 14 of the first clamp 11 is opposite to the arc-shaped groove 14 of the second clamp 12, and the inner groove 16 of the first clamp 11 is opposite to the inner groove 16 of the second clamp 12. The boss 17 of the first clamp 11 and the boss 17 of the second clamp 12 are hinged together by a first pin 20 with a connecting plate 21.

[0018] A swivel bolt 23 is hinged to the U-shaped groove 19 of the first clamp 11 via a second pin 22. The other end of the swivel bolt 23 passes through the U-shaped groove 19 of the second clamp 12, and a sleeve nut 24 is threaded onto its extended end. Under the threaded connection force, the sleeve nut 24 presses against the outer end face of the connecting platform 18 of the second clamp 12 to lock the first clamp 11 and the second clamp 12 together. A handle 27 is hinged to the sleeve nut 24 via a third pin.

[0019] The inclined surfaces 15 of both clamp bodies 13 mate with the chamfers 8 of the blind plate 7. Each clamp body 13 has a first rivet hole 25 within its boss 17, through which the U-shaped first pin 20 passes. The two ends of the connecting plate 21 are respectively hinged to the two U-shaped first pins 20. The side wall of the U-shaped groove 19 of the first clamp 11 has a second rivet hole 26, through which the second pin 22 passes.

[0020] When a worker needs to seal a specified number of NA ports 2 on pressure vessel 1, the worker's operating procedure is as follows: S1. The worker takes out a sealing ring 6 and inserts it into the sealing ring mounting groove 5 from right to left. Figure 2 As shown; S2, The worker takes out a... Figures 3-4 The blind plate 7 shown is inserted into the slot 4 of the annular disk 3 from right to left, as shown. Figure 5 As shown; S3. The worker grips handle 27 and then rotates handle 27 in the opposite direction. Handle 27 causes sleeve nut 24 to rotate, and sleeve nut 24 moves along the slip bolt 23 in a direction away from connecting platform 18. The direction of movement of sleeve nut 24 is as follows: Figure 16 As indicated by the middle arrow; then the worker moves the sleeve nut 24 around the second pin 22 on the vertical plane to disengage the slip bolt 23 from the U-shaped groove 19 of the second clamp 12, as shown. Figure 17 As shown; then the worker manually separates the first clamp 11 from the second clamp 12, as follows. Figure 18 As shown; S4. The worker places the area enclosed by the inner groove 16 of the first clamp 11 and the inner groove 16 of the second clamp 12 onto the outside of the annular disc 3; then the worker rotates the sleeve nut 24 in the opposite direction on the vertical plane around the second pin 22 so that the slip bolt 23 re-enters the U-shaped groove 19 of the second clamp 12. Then the worker rotates handle 27 forward, which drives the sleeve nut 24 to rotate. The sleeve nut 24 moves along the slip bolt 23 toward the connecting platform 18. When the sleeve nut 24 presses against the outer end face of the connecting platform 18, the first clamp 11 and the second clamp 12 are locked together again. At the same time, the annular disc 3 is locked between the inner groove 16 of the first clamp 11 and the inner groove 16 of the second clamp 12. Figures 19-20 As shown, at the same time, the chamfer 8 of the blind flange 7 is fixed between the inclined surface 15 of the first clamp 11 and the inclined surface 15 of the second clamp 12, thereby realizing the sealing of the first NA interface 2 by using the blind flange 7. S5. The worker repeats steps S1 to S4 multiple times to seal all the specified number of NA ports 2 on the pressure vessel 1.

[0021] As can be seen from step S4, the worker only needs to turn the handle 27 forward to fix the annular disc 3 and the blind plate 7 together through the first clamp 11 and the second clamp 12, thereby quickly sealing the NA interface 2 using the blind plate 7. Compared with the method of sealing the NA interface 2 by using the combination of the pressure cap 9 and the locking screw 10, the worker does not need to tighten the 8 locking screws 10, thus achieving the sealing of a specified number of NA interfaces 2 on the pressure vessel 1 in a short time, thereby greatly improving the efficiency of sealing the NA interface 2.

[0022] When a worker needs to open a specified number of NA ports 2 on pressure vessel 1, the worker's operating procedure is as follows: Sa, the worker performs step S3 to separate the first clamp 11 from the second clamp 12; then the worker removes the first clamp 11 and the second clamp 12 from the annular disc 3; Sb. After the first clamp 11 and the second clamp 12 are removed, the worker removes the blind flange 7 and the sealing ring 6 from the slot 4 in sequence. At this time, the NA interface 2 is connected to the outside, thus opening the first NA interface 2. By repeating steps Sa to Sb multiple times, the worker can open all the specified number of NA ports 2 on the pressure vessel 1.

[0023] In steps Sa to Sb, the worker only needs to separate the first clamp 11 and the second clamp 12, and then remove the blind flange 7 and the sealing ring 6 to quickly open the NA interface 2. Compared with the method of using the gland 9 and the locking screw 10 to open the NA interface 2, the worker does not need to unscrew the 8 locking screws 10, thus enabling the opening of all specified number of NA interfaces 2 on the pressure vessel 1 in a short time, thereby greatly improving the efficiency of opening the NA interface 2.

Claims

1. A clamp device for quickly opening and closing the NA interface of a pressure vessel, characterized in that: It includes a first clamp (11) and a second clamp (12). Both the first clamp (11) and the second clamp (12) include a clamp body (13). An arc-shaped groove (14) is provided inside the clamp body (13). An inclined surface (15) is provided on one side of the arc-shaped groove (14) to connect with it. An inner groove (16) is provided on the other side of the inclined surface (15) along the length direction of the clamp body (13). The inner groove (16) matches the outer contour of the annular disk (3). A boss (17) is fixedly provided at the bottom of the clamp body (13). A connecting platform (18) is fixedly provided at the top of the clamp body (13). A U-shaped groove (19) is provided on the top surface of the connecting platform (18). The arc groove (14) of the first clamp (11) is opposite to the arc groove (14) of the second clamp (12), and the inner groove (16) of the first clamp (11) is opposite to the inner groove (16) of the second clamp (12). The boss (17) of the first clamp (11) and the boss (17) of the second clamp (12) are hinged together by the first pin (20) with a connecting plate (21). The first clamp (11) has a swivel bolt (23) hinged in the U-shaped groove (19) of the first clamp (11) via the second pin (22). The other end of the swivel bolt (23) passes through the U-shaped groove (19) of the second clamp (12), and a sleeve nut (24) is threaded on the extended end. Under the threaded connection force, the sleeve nut (24) presses against the outer end face of the connecting platform (18) of the second clamp (12) to lock the first clamp (11) and the second clamp (12) together.

2. The clamp device for quickly opening and closing the NA interface of a pressure vessel according to claim 1, characterized in that: The inclined surfaces (15) of the two clamp bodies (13) are matched with the chamfer (8) of the blind plate (7).

3. The clamp device for quickly opening and closing the NA interface of a pressure vessel according to claim 1, characterized in that: The two clamp bodies (13) each have a first rivet hole (25) in the boss (17), and the first pin (20) passes through the first rivet hole (25). The two ends of the connecting plate (21) are respectively hinged to the two first pins (20).

4. The clamp device for quickly opening and closing the NA interface of a pressure vessel according to claim 1, characterized in that: The first clamp (11) has a second rivet hole (26) on the side wall of the U-shaped groove (19), and the second pin (22) passes through the second rivet hole (26).

5. The clamp device for quickly opening and closing the NA interface of a pressure vessel according to claim 1, characterized in that: The sleeve nut (24) is hinged to a handle (27) via a third pin.

Images