One-to-many vacuumizing device

Abstract

The utility model belongs to the technical field of vacuumizing accessories, and particularly relates to a one-to-many vacuumizing device which comprises a main pipe and a distribution pipe, the main pipe comprises an output end and an input end, the input end is connected with a vacuum extracting device, the distribution pipe is connected to the output end of the main pipe, and a plurality of sub-pipes connected with connecting pipes are arranged on the side face of the distribution pipe; valves are arranged between the plurality of connecting pipes and the sub-pipes, and one-way conducting devices are arranged at the other ends of the connecting pipes; according to the vacuum pumping device, the main pipe and the multiple sub pipes are arranged, the multiple sub pipes are vacuumized through the single vacuum pumping device, meanwhile, after vacuumizing is completed, the valve is closed, other vacuumizing operation cannot be affected, the vacuum pumping device does not need to be started and stopped frequently, and the service life of the vacuum pumping device is prolonged; and the one-way conduction device is adopted, and after the connecting pipe is removed, air can be prevented from entering the vacuum container to affect the vacuum effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of vacuum pumping accessories, in particular to a one-turn-multiple vacuum pumping device. Background Art

[0002] In the field of pharmaceuticals and chemicals, the application of vacuum is of great significance in promoting the development of the field. For example, vacuum is used in jackets for heat exchange, tanks and barrels for storage, and kettles for reactions. The application of vacuum has many benefits and significances, which not only affects product quality and safety, but also involves production efficiency, environmental protection and many other aspects. With the continuous advancement and innovation of technology, vacuum technology will play a more important role in the field of pharmaceuticals and chemicals.

[0003] In a traditional vacuum pumping device, a vacuum pumping device (such as a vacuum pump) is usually used to evacuate a vacuum container that needs to be evacuated through a connecting pipe. After the vacuum container reaches the required vacuum environment, it is usually necessary to turn off the vacuum pump and then remove the connecting pipe before proceeding to the next vacuum container that needs to be evacuated. This will cause the vacuum pumping device to be frequently started and stopped, which affects the service life of the vacuum pumping device and needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a one-turn multi-vacuum pumping device in view of the above-mentioned technical problems, so that when replacing the vacuum container that needs to be evacuated, there is no need to stop the machine, thereby extending the service life of the vacuum pumping device.

[0005] In view of this, the utility model provides a one-turn multi-vacuum device, comprising:

[0006] A main pipe, comprising an output end and an input end, wherein the input end is connected to a vacuum extraction device;

[0007] A distribution pipe is connected to the output end of the main pipe, and a plurality of sub-pipes are arranged on the side of the distribution pipe;

[0008] A plurality of connecting pipes are provided and are respectively connected to the plurality of sub-pipes;

[0009] A plurality of valves are provided and are respectively connected between the plurality of connecting pipes and the sub-pipes;

[0010] Wherein, a one-way conducting device is also arranged at one end of the connecting pipe away from the valve.

[0011] In the above technical solution, further, it also includes:

[0012] The connecting head is installed at both ends of the connecting pipe and is used to connect the two ends of the connecting pipe.

[0013] In the above technical solution, further:

[0014] The connecting pipe is a hose.

[0015] In the above technical solution, further:

[0016] A common chamber is formed inside the distribution pipe, and the common chamber is provided with an air outlet communicated with the output end of the main pipe and air inlets respectively communicated with a plurality of sub-pipes.

[0017] In the above technical solution, further:

[0018] An extension pipe is arranged on the side of the distribution pipe at the air outlet, and both ends of the extension pipe and the main pipe are provided with flange connection ends.

[0019] In the above technical solution, further, the one-way conduction device includes:

[0020] The cylinder is threadedly connected to the connector, and a stepped groove is provided on a side away from the connector;

[0021] The support block is installed in the cylinder and has a plurality of ventilation grooves;

[0022] The air nozzle has one end abutting against the stepped groove and has a tapered hole axially opened;

[0023] The conical block is installed in the conical hole and has an annular groove on its surface, and a sealing ring is installed in the annular groove;

[0024] The diameter of the tapered hole near the connector is larger than the diameter of the side away from the connector and smaller than the diameter of the inner wall of the cylinder, and the other end of the air nozzle is used to connect to the vacuum container that needs to be evacuated.

[0025] In the above technical solution, further, the one-way conduction device further includes:

[0026] The sealing gasket is installed on the step groove and is located between the step groove and the air nozzle.

[0027] In the above technical solution, further, the one-way conduction device further includes:

[0028] A connecting plate connected to an end of the cylinder away from the connecting head;

[0029] Wherein, strip grooves are provided at both ends of the connection plate.

[0030] The beneficial effects of the utility model are:

[0031] 1. By setting up a main pipe and multiple sub-pipes, a single vacuum extraction device is used to perform vacuuming operations on multiple sub-pipes. At the same time, by closing the valve after the vacuuming is completed, it will not affect other vacuuming operations, so that the vacuum extraction device does not need to be started and stopped frequently, thereby extending the service life of the vacuum extraction device.

[0032] 2. Through the one-way conduction device, after the connecting pipe is removed, it can prevent air from entering the vacuum container and affecting the vacuum effect.

[0033] 3. By using a hose as the connecting pipe and a flange connection end to connect the distribution pipe and the main pipe, the convenience of installation is improved, it can adapt to different use environments and improve applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a structural schematic diagram of the utility model;

[0035] Figure 2 It is a side view of the utility model;

[0036] Figure 3 This utility model Figure 2 Sectional view at AA in the middle;

[0037] Figure 4 This utility model Figure 3 The enlarged view of point B in the middle;

[0038] The markings in the figure are as follows: 1. main pipe; 2. output end; 3. input end; 4. distribution pipe; 40. common chamber; 41. air outlet; 42. air inlet; 43. extension pipe; 5. sub-pipe; 6. connecting pipe; 7. valve; 8. one-way conduction device; 80. cylinder; 81. stepped groove; 82. support block; 83. ventilation groove; 84. air nozzle; 85. conical hole; 86. conical block; 860. annular groove; 861. sealing ring; 87. sealing gasket; 88. connecting plate; 89. strip groove; 9. connector; 10. flange connection end. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0040] Embodiment 1:

[0041] This embodiment provides a one-turn multi-vacuum device, comprising:

[0042] A main pipe 1, comprising an output end 2 and an input end 3, wherein the input end 3 is connected to a vacuum extraction device;

[0043] A distribution pipe 4 is connected to the output end 2 of the main pipe 1, and a plurality of sub-pipes 5 are arranged on the side of the distribution pipe 4;

[0044] A plurality of connecting pipes 6 are provided and are respectively connected to the plurality of sub-pipes 5;

[0045] A plurality of valves 7 are provided and are respectively connected between the plurality of connecting pipes 6 and the sub-pipes 5;

[0046] The end of the connecting pipe 6 away from the valve 7 is also provided with a one-way conducting device 8;

[0047] Meanwhile, the vacuum extraction device may be a vacuum pump, and the sub-pipe 5 and the distribution pipe 4 are welded; and the valve 7 may be a ball valve, and is threadedly connected to the sub-pipe 5;

[0048] Furthermore, the shape of the main pipe 1 can be adjusted according to the installation position, such as 7-shaped, L-shaped or Z-shaped.

[0049] It can be seen from this embodiment that by providing a main pipe 1 and a plurality of sub-pipes 5, a single vacuum extraction device is used to perform vacuuming operations on the plurality of sub-pipes 5. At the same time, by closing the valve 7 after the vacuuming is completed, other vacuuming operations will not be affected, so that the vacuum extraction device does not need to be frequently started and stopped, thereby extending the service life of the vacuum extraction device;

[0050] In addition, the one-way conducting device 8 is used to prevent air from entering the vacuum container and affecting the vacuum effect after the connecting pipe 6 is removed.

[0051] Embodiment 2:

[0052] This embodiment provides a one-turn-multiple vacuum pumping device, which, in addition to the technical solutions of the above embodiments, also has the following technical features, including:

[0053] Connectors 9 are installed at both ends of the connecting pipe 6 and are used to connect the two ends of the connecting pipe 6;

[0054] The connector 9 is connected to the connecting pipe 6 by a clamp, and is connected to the valve 7 by a thread.

[0055] It can be seen from this embodiment that by using the connecting head 9 for connection, the convenience of connection is improved, and it is also convenient to replace or maintain the connecting head 9, thereby avoiding leakage at both ends of the connecting tube 6, affecting the vacuum effect, and effectively improving convenience.

[0056] Embodiment 3:

[0057] This embodiment provides a one-turn-multiple vacuum pumping device, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0058] The connecting pipe 6 is a hose;

[0059] The hose may be a stainless steel hose, a metal hose, a rubber hose or a plastic hose.

[0060] It can be seen from this embodiment that by using a hose as the connecting pipe 6, the layout of the connecting pipe 6 is facilitated, thereby improving the space utilization of each device or apparatus.

[0061] Embodiment 4:

[0062] This embodiment provides a one-turn-multiple vacuum pumping device, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0063] The two ends of the distribution pipe 4 are sealed, and a common chamber 40 is formed inside, and the common chamber 40 is provided with an outlet 41 connected to the output end 2 of the main pipe 1 and an inlet 42 connected to the plurality of sub-pipes 5 respectively;

[0064] The number of the air inlets 42 is determined according to the number of containers to be vacuumed simultaneously, and is not limited here, mainly to meet the needs, and the diameter of the air outlet 41 is larger than the diameter of the air inlet 42 .

[0065] It can be seen from the present embodiment that by sealing both ends of the distribution pipe 4, a common chamber 40 is formed inside the distribution pipe 4, so that after the valve 7 on one sub-pipe 5 is closed, the exhaust air flow channel on other sub-pipes 5 will not be affected, thereby avoiding frequent start and stop of the vacuum exhaust device and improving the service life; at the same time, it is convenient for multiple sub-pipes 5 to be installed and connected on the side of the distribution pipe 4.

[0066] Embodiment 5:

[0067] This embodiment provides a one-turn-multiple vacuum pumping device, which, in addition to the technical solutions of the above embodiments, also has the following technical features:

[0068] An extension pipe 43 is provided on the side of the distribution pipe 4 at the gas outlet 41, and both ends of the extension pipe 43 and the main pipe 1 are provided with flange connection ends 10;

[0069] The extension pipe 43 and the distribution pipe 4 are welded.

[0070] It can be seen from this embodiment that the extension pipe 43 facilitates the connection of the main pipe 1 with the side of the distribution pipe 4 , thereby improving the convenience of connection, while the flange connection end 10 improves the convenience of installation of the main pipe 1 and the distribution pipe 4 .

[0071] Embodiment 6:

[0072] This embodiment provides a one-turn-multiple vacuum pumping device, which, in addition to the technical solutions of the above embodiments, also has the following technical features. The one-way conducting device 8 includes:

[0073] The cylinder 80 is threadedly connected to the connector 9, and a stepped groove 81 is formed on a side away from the connector 9;

[0074] The support block 82 is installed in the cylinder 80 and has a plurality of ventilation grooves 83;

[0075] The air nozzle 84 has one end abutting against the stepped groove 81 and has a tapered hole 85 axially opened therein;

[0076] The conical block 86 is installed in the conical hole 85 and has an annular groove 860 on its surface, and a sealing ring 861 is installed in the annular groove 860;

[0077] The diameter of the tapered hole 85 close to the connector 9 is larger than the diameter of the side away from the connector 9 and smaller than the diameter of the inner wall of the cylinder 80 , and the other end of the air nozzle 84 is used to connect to the vacuum container that needs to be evacuated.

[0078] At the same time, an interference fit can be adopted between the support block 82 and the inner wall of the cylinder 80, and the sealing ring 861 can be made of rubber material.

[0079] It can be seen from this embodiment that the one-way conduction device 8 adopts the structure of the cylinder 80, so as to facilitate connection with the connector 9. At the same time, a gas nozzle 84 is provided on the vacuum container to be evacuated, and a tapered hole 85 is provided on the inner wall of the gas nozzle 84. Then, after evacuation and removal of the connecting tube 6, the tapered block 86 can be pushed to abut against the tapered hole 85 under the action of the internal and external pressure difference, and sealed by the sealing ring 861, thereby ensuring the sealing effect and the one-way conduction effect.

[0080] When vacuuming, the conical block 86 separates from the conical hole 85 to form an airflow channel to achieve vacuuming, while the support block prevents the conical block 86 from clogging the connector 9 and ensures that the airflow channel is unobstructed through the ventilation groove 83.

[0081] Embodiment 7:

[0082] This embodiment provides a one-turn-multiple vacuum pumping device, which, in addition to the technical solutions of the above embodiments, also has the following technical features. The one-way conducting device 8 also includes:

[0083] A sealing gasket 87 is installed on the stepped groove 81 and is located between the stepped groove 81 and the air nozzle 84;

[0084] The sealing gasket 87 may be made of rubber.

[0085] It can be seen from this embodiment that the sealing effect between the air nozzle 84 and the stepped groove 81 is improved by disposing the sealing gasket 87, thereby ensuring the vacuuming effect.

[0086] Embodiment 8:

[0087] This embodiment provides a one-turn-multiple vacuum pumping device, which, in addition to the technical solutions of the above embodiments, also has the following technical features. The one-way conducting device 8 also includes:

[0088] A connecting plate 88 connected to an end of the cylinder 80 away from the connecting head 9;

[0089] Wherein, both ends of the connecting plate 88 are provided with strip grooves 89;

[0090] Meanwhile, the connecting plate 88 and the cylinder 80 are welded together; and the shape of the connecting plate 86 can be determined according to the vacuum container to be evacuated, and is not limited to the shape in the drawings, as long as the connection can be achieved.

[0091] It can be seen from the present embodiment that, by providing the connecting plate 86 and the strip groove 87 on the connecting plate 86 , it is convenient to connect the air nozzle 84 with the stepped groove 81 after they are matched, thereby ensuring the connection strength, and the strip groove 89 also has the function of improving the adaptability of the connection position, thereby ensuring the convenience and matching accuracy of the connection between the stepped groove 81 and the air nozzle 84 .

[0092] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A one-turn multi-vacuum device, characterized in that: include: A main pipe (1) comprises an output end (2) and an input end (3), wherein the input end (3) is connected to a vacuum extraction device; A distribution pipe (4) is connected to the output end (2) of the main pipe (1), and a plurality of sub-pipes (5) are arranged on the side of the distribution pipe (4); A plurality of connecting pipes (6) are provided and are respectively connected to the plurality of sub-pipes (5); A plurality of valves (7) are provided and are respectively connected between the plurality of connecting pipes (6) and the sub-pipes (5); Wherein, one end of the connecting pipe (6) away from the valve (7) is also provided with a one-way conducting device (8).

2. The one-turn-multiple vacuum pumping device according to claim 1, characterized in that: Also includes: The connector (9) is installed at both ends of the connecting pipe (6) and is used to connect the two ends of the connecting pipe (6).

3. The one-turn-multiple vacuum pumping device according to claim 2, characterized in that: The connecting pipe (6) is a hose.

4. The one-turn-multiple vacuum pumping device according to claim 2, characterized in that: The distribution pipe (4) is sealed at both ends and forms a common chamber (40) inside. The common chamber (40) is provided with an air outlet (41) connected to the output end (2) of the main pipe (1) and an air inlet (42) respectively connected to the plurality of sub-pipes (5).

5. The one-turn-multiple vacuum pumping device according to claim 4, characterized in that: An extension pipe (43) is provided on the side of the distribution pipe (4) at the air outlet (41), and flange connection ends (10) are provided at both ends of the extension pipe (43) and the main pipe (1).

6. The one-turn-multiple vacuum pumping device according to claim 1, characterized in that: The one-way conducting device (8) comprises: The cylinder (80) is threadedly connected to the connector (9), and a stepped groove (81) is formed on a side away from the connector (9); A support block (82) is installed in the cylinder (80) and is provided with a plurality of ventilation grooves (83); An air nozzle (84) has one end abutting against the stepped groove (81) and is axially provided with a tapered hole (85); A conical block (86) is installed in the conical hole (85) and has an annular groove (860) on its surface, and a sealing ring (861) is installed in the annular groove (860); The diameter of the tapered hole (85) on the side close to the connecting head (9) is larger than the diameter of the side away from the connecting head (9) and smaller than the diameter of the inner wall of the cylinder (80), and the other end of the air nozzle (84) is used to be connected to a vacuum container that needs to be evacuated.

7. The one-turn-multiple vacuum pumping device according to claim 6, characterized in that: The one-way conducting device (8) further comprises: The sealing gasket (87) is installed on the stepped groove (81) and is located between the stepped groove (81) and the air nozzle (84).

8. The one-turn-multiple vacuum pumping device according to claim 6, characterized in that: The one-way conducting device (8) further comprises: A connecting plate (88) connected to an end of the cylinder (80) away from the connecting head (9); Wherein, both ends of the connecting plate (88) are provided with strip grooves (89).

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