Bidirectional vacuum pump set

Abstract

The utility model discloses a bidirectional vacuum pump set which comprises a vacuum pump set body, a centralizing device is fixedly installed at the top end of the vacuum pump set body, a positioning device is fixedly installed at the top end of the centralizing device, direction dividing devices are fixedly installed at the two ends of the top of the centralizing device, and the direction dividing devices are located on the two sides of the positioning device. The centralizing device comprises a communicating pipe, a transfer cavity, a sealing cover and a six-edge rod, the sealing cover is fixedly installed at the top end of the transfer cavity, the six-edge rod is fixedly installed at the bottom end of the sealing cover, the communicating pipe is fixedly installed in the center of the bottom end of the transfer cavity, and the direction dividing device comprises a sealing rubber plug, a connecting rope and an L-shaped air pipe. The sealing rubber plug is inserted into the side end of the L-shaped air pipe in a sliding mode, and the connecting rope is fixedly installed between the sealing rubber plug and the L-shaped air pipe. Through the arrangement of the centralizing device, the diverting device and the positioning device, the purpose that the two air ports can work at the same time is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum pump technical field, concretely is bidirectional vacuum pump set. BACKGROUND

[0002] A vacuum pump is a kind of equipment for extracting gas, and the working principle of vacuum pump is to remove air from a closed space by mechanical means, reduce internal air pressure. The main working principle of this kind of pump is to use rotating or reciprocating mechanical components to change the volume in the pump cavity, thereby sucking and discharging gas.

[0003] Such as Chinese patent publication No. CN204003649U water ring vacuum pump, including vacuum pump pump body, the bottom of vacuum pump pump body is supported by support seat, the inside of vacuum pump pump body is equipped with impeller, the top of vacuum pump pump body is connected with inlet pipe and exhaust pipe respectively, the top of inlet pipe is equipped with air inlet, the top of exhaust pipe is equipped with exhaust port, the filter device is equipped on the inlet pipe, the muffler is equipped on the exhaust pipe, the hot return pipe is also connected on the exhaust pipe.

[0004] The vacuum pump in the above patent can only realize the function of convenient cleaning when in use, and the existing vacuum pump can only perform one air port evacuation work when in use due to the existence of only one air port, cannot realize the function of switching use of two air ports and one air port, therefore a device needs to be improved for the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing bidirectional vacuum pump set to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: bidirectional vacuum pump set, including vacuum pump set, the top of vacuum pump set is fixedly installed with concentration device, the top of concentration device is fixedly installed with positioning device, the top of concentration device is fixedly installed with diverging device, and diverging device is located at the both sides of positioning device, concentration device includes intercommunication pipe, transfer cavity, cover and six prism rods, the top of cover is fixedly installed in transfer cavity, the bottom of six prism rods is fixedly installed in cover, the bottom center of transfer cavity is fixedly installed with intercommunication pipe.

[0007] Preferably, the diverging device includes airtight rubber plug, connecting rope and L-shaped air pipe, the airtight rubber plug is slidably inserted into the side end of L-shaped air pipe, and the connecting rope is fixedly installed between the airtight rubber plug and L-shaped air pipe.

[0008] Preferably, the positioning device comprises an electric push rod, an extension plate, a hexagonal hole and a plug, the extension plate is fixedly installed at the bottom of the side end of the electric push rod, the hexagonal hole is arranged in the interior of the extension plate, and the plug is fixedly installed at the end of the extension plate away from the electric push rod.

[0009] Preferably, the electric push rod is fixedly installed at the center of the cover, and the L-shaped air pipe is fixedly installed at the top of the cover.

[0010] Preferably, the cover is provided with a circular hole at each end in the interior.

[0011] Preferably, the plug is vertically aligned with the bottom end of the L-shaped air pipe.

[0012] Compared with the prior art, the device has the following beneficial effects:

[0013] When the device is used, the L-shaped air pipe and the transfer cavity are communicated, so that the vacuum pump group can absorb the air in the L-shaped air pipe through the communication pipe and the transfer cavity when the vacuum pump group is running. Meanwhile, the extension plate can be driven to move up and down through the electric push rod when the electric push rod is opened, so that the plug can block one of the L-shaped air pipes in the cover, thereby the vacuum inside one device can be extracted, and when the plug is separated from the L-shaped air pipe, the two L-shaped air pipes can be communicated with the transfer cavity, so that the vacuum pump group can extract the vacuum of two devices at the same time when the vacuum pump group is running, thereby the work of switching the use of two air ports is completed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of the main structure of the device;

[0015] Figure 2 It is a schematic view of the concentrating device structure of the device;

[0016] Figure 3 It is a schematic view of the directional device structure of the device;

[0017] Figure 4 It is a schematic view of the positioning device structure of the device.

[0018] In the drawing: 1-concentrating device, 2-directional device, 3-positioning device, 4-vacuum pump group, 5-communication pipe, 6-transfer cavity, 7-cover, 8-hexagonal rod, 9-tight rubber plug, 10-connecting rope, 11-L-shaped air pipe, 12-electric push rod, 13-extension plate, 14-hexagonal hole, 15-plug. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only 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 skilled in the art without creative labor fall within the scope of the present utility model.

[0020] Please refer to Figures 1-4 The utility model provides an embodiment: two -way vacuum pump set, including vacuum pump set 4, the top fixed mounting of vacuum pump set 4 has the centralized device 1, the top fixed mounting of centralized device 1 has the positioning device 3, and the top both ends of centralized device 1 are fixedly installed with the diverging device 2, and diverging device 2 is located at the both sides of positioning device 3, and the centralized device 1 includes intercommunication pipe 5, transfer cavity 6, cover 7 and six prism rod 8, cover 7 is fixedly installed at the top of transfer cavity 6, six prism rod 8 is fixedly installed at the bottom of cover 7, and intercommunication pipe 5 is fixedly installed at the bottom center of transfer cavity 6.

[0021] Diverging device 2 includes airtight rubber plug 9, connecting rope 10 and L type air pipe 11, airtight rubber plug 9 is slidably inserted in the inside of the side end of L type air pipe 11, connecting rope 10 is fixedly installed between airtight rubber plug 9 and L type air pipe 11, through the setting of airtight rubber plug 9, L type air pipe 11 can be closed.

[0022] Positioning device 3 includes electric push rod 12, extension plate 13, six prism hole 14 and plug 15, extension plate 13 is fixedly installed at the side end bottom of electric push rod 12, six prism hole 14 is set up in the inside of extension plate 13, plug 15 is fixedly installed at the end away from electric push rod 12 of extension plate 13, and through the six prism hole 14 slidably sleeved on six prism rod 8, the extension plate 13 can be supported to move up and down along a straight line.

[0023] Electric push rod 12 is fixedly installed at the center of cover 7, and L type air pipe 11 is fixedly installed at the top of cover 7, which can support L type air pipe 11 to work.

[0024] The inside both ends of cover 7 are provided with round holes, which facilitates the communication of transfer cavity 6 and L type air pipe 11.

[0025] The bottom inside of plug 15 is vertically aligned with L type air pipe 11, which facilitates the bottom of L type air pipe 11 to be closed.

[0026] Working principle: when the device needs to be used, the sealing rubber plug 9 can be taken out from the inside of the L-shaped air pipe 11, and is connected between the sealing rubber plug 9 and the L-shaped air pipe 11 through the connecting rope 10, so that the phenomenon of falling of the sealing rubber plug 9 can be prevented, then the pipeline on the external equipment can be inserted on the L-shaped air pipe 11, and the vacuum pump set 4 is started, so that the vacuum pump set 4 can absorb the inside of the equipment from the L-shaped air pipe 11, thereby the work of vacuumizing can be carried out, when two equipments need to be vacuumized at the same time, the sealing rubber plugs 9 on the two L-shaped air pipes 11 are taken out respectively, and the pipeline on the equipment is connected on the L-shaped air pipe 11, when the vacuum pump set 4 is started, the communication between the communicating pipe 5, the transfer cavity 6 and the vacuum pump set 4 is realized, so that when the vacuum pump set 4 is started, the transfer cavity 6 and the communicating pipe 5 can simultaneously absorb the gas in the inside of the L-shaped air pipe 11, so that the work of vacuumizing two equipments can be carried out, when one equipment needs to be vacuumized, the electric push rod 12 can be started, the extension plate 13 is connected with the slide rod in the electric push rod 12, so that when the electric push rod 12 is started, the extension plate 13 can be driven to displace upward, until the extension plate 13 is displaced upward to the limit position, the plug 15 seals the bottom end of the L-shaped air pipe 11, avoiding that when the vacuum pump set 4 is running, the two L-shaped air pipes 11 simultaneously carry out the air suction, and the six-rib hole 14 is slidably sleeved on the outer circle of the six-rib rod 8, so that the extension plate 13 and the plug 15 can be supported to move along the straight line, thereby the accuracy of the butt joint of the plug 15 and the bottom end of the L-shaped air pipe 11 can be improved, when the vacuum pump set 4 stops running, the sealing rubber plug 9 can be inserted into the inside of the L-shaped air pipe 11, thereby the impurities from the outside can be prevented from entering the inside of the transfer cavity 6 through the L-shaped air pipe 11, when the device is used, when the work of vacuumizing one equipment needs to be carried out, the electric push rod 12 can be started, the extension plate 13 is driven to lift upward, so that the plug 15 seals the bottom end of the L-shaped air pipe 11, thereby the pipeline in the equipment can be connected with another L-shaped air pipe 11, so that when the vacuum pump set 4 is running, the work of vacuumizing can be carried out by one L-shaped air pipe 11, when two equipments need to carry out the work of vacuumizing at the same time, the electric push rod 12 can be started, the extension plate 13 is driven to move downward, so that the plug 15 can be separated from the L-shaped air pipe 11, the communication between the communicating pipe 5, the transfer cavity 6 and the vacuum pump set 4 is realized, so that when the vacuum pump set 4 is running, the air can be simultaneously absorbed by the communicating pipe 5, the transfer cavity 6 and the L-shaped air pipe 11, thereby the work of vacuumizing two equipments at the same time can be completed.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and transformed in various ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A bidirectional vacuum pump unit, comprising a vacuum pump unit (4), wherein a concentrating device (1) is fixedly installed at the top of the vacuum pump unit (4), a positioning device (3) is fixedly installed at the top of the concentrating device (1), and directional devices (2) are fixedly installed at both ends of the top of the concentrating device (1), wherein the directional devices (2) are located on both sides of the positioning device (3), characterized in that: The centralizing device (1) comprises a connecting pipe (5), a transfer cavity (6), a cover (7) and a hexagonal rod (8), the cover (7) is fixedly installed at the top end of the transfer cavity (6), the hexagonal rod (8) is fixedly installed at the bottom end of the cover (7), and the connecting pipe (5) is fixedly installed at the bottom center of the transfer cavity (6).

2. The bidirectional vacuum pump set according to claim 1, characterized in that: The distributing device (2) comprises a sealing rubber plug (9), a connecting rope (10) and an L-shaped air pipe (11), the sealing rubber plug (9) is slidingly inserted into the side end of the L-shaped air pipe (11), and the connecting rope (10) is fixedly installed between the sealing rubber plug (9) and the L-shaped air pipe (11).

3. The bidirectional vacuum pump set according to claim 2, characterized in that: The positioning device (3) comprises an electric push rod (12), an extension plate (13), a hexagonal hole (14) and a plug (15), the extension plate (13) is fixedly installed at the side end bottom of the electric push rod (12), the hexagonal hole (14) is arranged in the inside of the extension plate (13), and the plug (15) is fixedly installed at one end of the extension plate (13) away from the electric push rod (12).

4. The bidirectional vacuum pump set according to claim 3, characterized in that: The electric push rod (12) is fixedly installed at the center of the cover (7), and the L-shaped air pipe (11) is fixedly installed at the top two ends of the cover (7).

5. The bidirectional vacuum pump set according to claim 4, characterized in that: The inside of the cover (7) is provided with a round hole at both ends.

6. The bidirectional vacuum pump set according to claim 5, characterized in that: The plug (15) is vertically aligned with the inside of the bottom end of the L-shaped air pipe (11).

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