CN221144706U - Vacuum pump capable of adapting to multiple caliber interfaces - Google Patents

Vacuum pump capable of adapting to multiple caliber interfaces Download PDF

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Publication number
CN221144706U
CN221144706U CN202322865413.3U CN202322865413U CN221144706U CN 221144706 U CN221144706 U CN 221144706U CN 202322865413 U CN202322865413 U CN 202322865413U CN 221144706 U CN221144706 U CN 221144706U
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China
Prior art keywords
rubber ring
vacuum pump
air
sealing rubber
pump
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CN202322865413.3U
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Chinese (zh)
Inventor
黄飞娟
张晨灏
李映桦
黄爱淳
邓文滔
叶琼煣
李庭辉
邓智迅
王毅
刘洁人
蔡元哲
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Shenzhen Second Peoples Hospital
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Shenzhen Second Peoples Hospital
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Abstract

The utility model discloses a vacuum pump capable of adapting to a multi-caliber interface, and relates to the technical field of vacuum pumps. The utility model comprises a cylinder, wherein the upper part of the cylinder is provided with a pusher, the output end of the pusher is provided with a piston rod, the lower part of the piston rod is fixedly connected with a piston main body, the piston rod and the piston main body are both in sliding fit in the cylinder, the lower part of the cylinder is provided with an inflatable sealing rubber ring corresponding to the piston main body, the side surface of the cylinder is provided with an inflator pump, the output end of the inflator pump is fixedly connected with an air pipe corresponding to the inflatable sealing rubber ring, and the air pipe is provided with an electric three-way valve. According to the utility model, the inflation pump is matched with the inflation sealing rubber ring, so that the vacuum pump is connected with ultrafiltration pipes with different calibers, the tightness of the connection ports of the inflation sealing rubber ring and the ultrafiltration pipes is improved, the purchasing requirements on pumps with different specifications are reduced, the use cost and the complexity are reduced, and the vacuum pump is suitable for different fields and application requirements.

Description

Vacuum pump capable of adapting to multiple caliber interfaces
Technical Field
The utility model belongs to the field of vacuum pumps, and particularly relates to a vacuum pump capable of adapting to a multi-caliber interface.
Background
Vacuum pumps are devices or apparatuses that draw air from a container being evacuated by mechanical, physical, chemical or physicochemical means to obtain a vacuum, and are conventionally devices that improve, create and maintain a vacuum in a closed space by various means.
Conventional vacuum pumps typically require specialized designs and manufacturing to accommodate ultrafiltration tubing of a particular size and specification, which results in the problem of requiring the use of different vacuum pumps for different ultrafiltration tubing specifications, increasing cost and complexity, and, in laboratory and industrial applications, the need to use multiple ultrafiltration tubing at the same time, which can result in the need to store and maintain multiple vacuum pumps, increasing waste of resources and space, and the limited range of adaptation of the prior art, which is difficult to meet the demands of some ultrafiltration tubing of a particular caliber.
Disclosure of utility model
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the vacuum pump capable of adapting to the multi-caliber interface.
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
The utility model provides a vacuum pump of adaptable multi-caliber interface, includes the cylinder, and the impeller is installed on the cylinder upper portion, and the piston rod is installed to the impeller output, and piston rod lower part fixedly connected with piston main part, piston rod and piston main part all sliding fit in the cylinder, and the cylinder lower part has installed the inflatable seal rubber ring corresponding with the piston main part, and the cylinder side is provided with the pump, pump output fixedly connected with inflatable seal rubber ring corresponding trachea, be provided with electronic three-way valve on the trachea.
Optionally, the cylinder downside is equipped with the boss, and the lower extreme at the boss is installed to the inflatable seal rubber ring, and the vertical direction of boss is equipped with logical groove, leads to groove and cylinder intercommunication, and the inflatable seal rubber ring is located the week side that leads to the groove, and the boss lateral part is equipped with the L shape gas pocket that communicates with the inflatable seal rubber ring, and air pipe one end is installed in the boss lateral part, L shape gas pocket and air pipe intercommunication, makes the intraductal compressed air of trachea carry into the inflatable seal rubber ring through L shape gas pocket.
Optionally, the inflatable sealing rubber ring comprises an inflatable bag barrel arranged at the lower end of the boss, the inflatable bag barrel is located at the periphery of the through groove and communicated with the L-shaped air hole, a limiting rubber ring is arranged at the lower end of the inflatable bag barrel, a rubber nozzle is arranged at the lower end of the limiting rubber ring, a fixing ring is arranged at the periphery of the limiting rubber ring and located between the inflatable bag barrel and the rubber nozzle, an air pressure sensor corresponding to the inflatable bag barrel is arranged at the upper end of the fixing ring and located in the inflatable bag barrel, air pressure change in the inflatable bag barrel is monitored through the air pressure sensor, and the inflatable bag barrel is inflated and sealed through contact with the inner wall of an ultrafiltration tube connecting port.
Optionally, the cylinder side is equipped with the side platform, and the side platform upside is equipped with the standing groove, and the side platform downside is equipped with wears the piping groove, wears piping groove and standing groove intercommunication, and the pump is installed in the standing groove, and the trachea runs through the piping groove.
Optionally, the side of the cylinder is provided with an interactive screen, the interactive screen and the side table are positioned on the same side of the cylinder, the interactive screen is positioned above the side table, a user can control the start and stop of the pusher, the inflator pump and the electric three-way valve through operating a control interface on the interactive screen, and after the vacuum pump stops working, all parts return to an initial state.
Optionally, a main board is arranged in the cylinder, the piston main body is positioned between the main board and the inflator pump, and the main board is electrically connected with the pusher, the interactive screen, the inflator pump, the air pressure sensor and the electric three-way valve.
After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects, and of course, any product for implementing the utility model does not necessarily need to achieve all the following advantages at the same time:
Through the cooperation of pump and inflation sealing rubber ring, make the ultrafiltration union coupling of the different bore of vacuum pump adaptation, reduce the purchase demand to different specification pumps, and improve inflation sealing rubber ring and ultrafiltration union coupling's leakproofness, reduce use cost and complexity, and make the vacuum pump be applicable to different fields and application demand, through electronic three-way valve and trachea, be convenient for control pump and carry compressed gas in to inflation sealing rubber ring, perhaps make the compressed gas in the inflation sealing rubber ring leak.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
The drawings in the following description are only examples of embodiments from which other drawings may be derived by those skilled in the art without the exercise of inventive faculty. Attached at
In the figure:
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;
fig. 3 is a schematic diagram of the structure at a in fig. 2.
In the drawings, the list of components represented by the various numbers is as follows:
Cylinder 1, side table 101, standing groove 102, tube penetrating groove 103, boss 104, through groove 105, L-shaped air hole 106, pusher 2, piston rod 3, piston main body 4, interactive screen 5, inflator pump 6, air pipe 601, inflatable sealing rubber ring 7, inflatable bag cylinder 701, spacing rubber ring 702, rubber nozzle 703, fixed ring 8, air pressure sensor 801, mainboard 9.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-3, in this embodiment, a vacuum pump capable of adapting to a multi-caliber interface is provided, including a cylinder 1, a pusher 2 is installed on the upper portion of the cylinder 1, a piston rod 3 is installed at the output end of the pusher 2, a piston main body 4 is fixedly connected to the lower portion of the piston rod 3, the piston rod 3 and the piston main body 4 are both in sliding fit in the cylinder 1, an inflatable sealing rubber ring 7 corresponding to the piston main body 4 is installed at the lower portion of the cylinder 1, an inflator pump 6 is arranged on the side surface of the cylinder 1, an air pipe 601 corresponding to the inflatable sealing rubber ring 7 is fixedly connected to the output end of the inflator pump 6, an electric three-way valve is arranged on the air pipe 601, the air pipe 601 is controlled to be communicated or blocked by the electric three-way valve, the electric three-way valve divides the air pipe 601 into two sections, when the air pump is in a communicating state, the compressed air is sent into the inflatable sealing rubber ring 7 by the first pipe body and the second pipe body, and when the air pump 6 is in a blocking state, the second pipe communicating with the inflatable sealing rubber ring 7 with the outside, and air in the inflatable sealing rubber ring 7 is communicated with the outside, the air in the air sealing rubber ring 7 is discharged from the second pipe body through the electric three-way valve, thereby reducing the air pipe 1, the air pump has better performance and better performance, better vacuum performance and better vacuum performance, better vacuum pump and better maintenance performance, better vacuum pump and better maintenance performance.
The application of one aspect of the embodiment is: before use, the vacuum pump is in a closed state, all parts are in the original position, when the vacuum pump is in use, the pusher 2 generates thrust, the pushing piston rod 3 moves downwards together with the piston main body 4, then the inflatable sealing rubber ring 7 is inserted into the ultrafiltration tube connecting port, according to parameters set by a user and caliber requirements, the inflator pump 6 is controlled to work, compressed air is supplied into the inflatable sealing rubber ring 7 through the air tube 601, the inflatable sealing rubber ring 7 is expanded to be in contact with the inner wall of the ultrafiltration tube connecting port, a good sealing effect is ensured, then the pusher 2 contracts and pulls the pushing piston rod 3 to move upwards with the piston main body 4, the upward movement of the piston main body 4 creates a vacuum space, liquid in the ultrafiltration tube is accumulated in a small space below the piston main body 4 through the ultrafiltration tube filter screen part, then the pusher 2 pushes the piston main body 4 to move downwards, the liquid is pushed back into the ultrafiltration tube, the operation is repeated, and the ultrafiltered liquid can be further collected or processed through the ultrafiltration tube.
The cylinder 1 downside of this embodiment is equipped with boss 104, and inflatable seal rubber ring 7 is installed in the lower extreme of boss 104, and boss 104 vertical direction is equipped with logical groove 105, leads to groove 105 and cylinder 1 intercommunication, and inflatable seal rubber ring 7 is located the week side of leading to groove 105, and boss 104 lateral part is equipped with the L shape gas pocket 106 that communicates with inflatable seal rubber ring 7, and boss 104 lateral part is installed to trachea 601 one end, L shape gas pocket 106 and trachea 601 intercommunication, L shape gas pocket 106 runs through the lower extreme of boss 104, makes the compressed air in the trachea 601 carry into inflatable seal rubber ring 7 through L shape gas pocket 106.
The inflatable sealing rubber ring 7 of the embodiment comprises an inflatable bag barrel 701 arranged at the lower end of a boss 104, the inflatable bag barrel 701 is located at the periphery of a through groove 105, the inflatable bag barrel 701 is communicated with an L-shaped air hole 106, a limiting rubber ring 702 is arranged at the lower end of the inflatable bag barrel 701, a rubber nozzle 703 is arranged at the lower end of the limiting rubber ring 702, a fixing ring 8 is arranged at the periphery of the limiting rubber ring 702, the fixing ring 8 is located between the inflatable bag barrel 701 and the rubber nozzle 703, an air pressure sensor 801 corresponding to the inflatable bag barrel 701 is arranged at the upper end of the fixing ring 8, the air pressure sensor 801 is located in the inflatable bag barrel 701, air pressure change in the inflatable bag barrel 701 is monitored through the air pressure sensor 801, and the inflatable bag barrel 701 is inflated and sealed through contact with the inner wall of an ultrafiltration tube connecting port.
The side of the cylinder 1 of this embodiment is provided with a side stand 101, the upside of the side stand 101 is provided with a placing groove 102, the downside of the side stand 101 is provided with a pipe penetrating groove 103, the pipe penetrating groove 103 is communicated with the placing groove 102, the inflator 6 is arranged in the placing groove 102, and the air pipe 601 penetrates through the pipe penetrating groove 103.
The side surface of the air cylinder 1 of the embodiment is provided with the interactable screen 5, the interactable screen 5 and the side table 101 are positioned on the same side of the air cylinder 1, the interactable screen 5 is positioned above the side table 101, a user can control the start and stop of the pusher 2, the inflator pump 6 and the electric three-way valve through operating a control interface on the interactable screen 5, after the vacuum pump stops working, all parts return to an initial state, meanwhile, the air pressure sensor 801 monitors air pressure change data of the air inflation bag 701 and transmits the data to the interactable screen for display, and information such as air pressure, suction and discharge times, single maximum liquid absorption amount, liquid absorption rate and the like is displayed in real time through the interactable screen 5 for the user to monitor and record, the user requirement is finally recorded through the interactable screen 5, the suction and discharge frequency of liquid, the maximum liquid absorption amount is reflected into the pressure index and the power on time index of the pump, and the ultrafiltration work is completed by utilizing the negative pressure principle.
The main board 9 is installed in the cylinder 1 of this embodiment, the piston main body 4 is located between the main board 9 and the inflator pump 6, the main board 9 is electrically connected with the pusher 2, the interactive screen 5, the inflator pump 6, the air pressure sensor 801 and the electric three-way valve, the main board 9 is fixedly installed with a controller and a pressure chip, the pressure chip receives pressure signals, then compares the signals with preset target values, and adjusts input signals of the pusher 2, such as current or voltage, according to the difference, so that the output of the device is closer to the expected target, and the stability, accuracy and responsiveness of the device are improved, so that the device can adapt to different working conditions and load changes.
The present utility model is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions. The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.

Claims (6)

1. A vacuum pump adaptable to a multi-caliber interface, comprising: the novel pneumatic air cylinder comprises an air cylinder body (1), wherein a pusher (2) is arranged on the upper portion of the air cylinder body (1), a piston rod (3) is arranged at the output end of the pusher (2), a piston main body (4) is fixedly connected to the lower portion of the piston rod (3), the piston rod (3) and the piston main body (4) are in sliding fit in the air cylinder body (1), an inflatable sealing rubber ring (7) corresponding to the piston main body (4) is arranged on the lower portion of the air cylinder body (1), an inflator pump (6) is arranged on the side face of the air cylinder body (1), an air pipe (601) corresponding to the inflatable sealing rubber ring (7) is fixedly connected to the output end of the inflator pump (6), and an electric three-way valve is arranged on the air pipe (601).
2. The vacuum pump with the multi-caliber interface capable of being matched with the vacuum pump is characterized in that a boss (104) is arranged on the lower side of the air cylinder (1), the inflatable sealing rubber ring (7) is arranged at the lower end of the boss (104), and L-shaped air holes (106) communicated with the inflatable sealing rubber ring (7) are formed in the side portion of the boss (104).
3. The vacuum pump with the multi-caliber interface capable of being matched with the vacuum pump is characterized in that the inflatable sealing rubber ring (7) comprises an inflatable bag barrel (701) arranged at the lower end of the boss (104), the inflatable bag barrel (701) is communicated with the L-shaped air hole (106), a limiting rubber ring (702) is arranged at the lower end of the inflatable bag barrel (701), a rubber nozzle (703) is arranged at the lower end of the limiting rubber ring (702), a fixing ring (8) is arranged on the periphery of the limiting rubber ring (702), and an air pressure sensor (801) corresponding to the inflatable bag barrel (701) is arranged at the upper end of the fixing ring (8).
4. The vacuum pump capable of adapting to the multi-caliber interface according to claim 1, wherein a side surface of the air cylinder (1) is provided with a side table (101), a placing groove (102) is formed in the upper side of the side table (101), a pipe penetrating groove (103) is formed in the lower side of the side table (101), the air pump (6) is arranged in the placing groove (102), and the air pipe (601) penetrates through the pipe penetrating groove (103).
5. The vacuum pump with the multi-caliber interface capable of being matched with the vacuum pump according to claim 4, wherein an interactable screen (5) is arranged on the side surface of the air cylinder (1), and the interactable screen (5) is positioned above the side table (101).
6. A vacuum pump with an adaptable multi-caliber interface according to claim 1, wherein the cylinder (1) is provided with a main plate (9), and the piston body (4) is positioned between the main plate (9) and the inflator (6).
CN202322865413.3U 2023-10-25 2023-10-25 Vacuum pump capable of adapting to multiple caliber interfaces Active CN221144706U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322865413.3U CN221144706U (en) 2023-10-25 2023-10-25 Vacuum pump capable of adapting to multiple caliber interfaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322865413.3U CN221144706U (en) 2023-10-25 2023-10-25 Vacuum pump capable of adapting to multiple caliber interfaces

Publications (1)

Publication Number Publication Date
CN221144706U true CN221144706U (en) 2024-06-14

Family

ID=91419465

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322865413.3U Active CN221144706U (en) 2023-10-25 2023-10-25 Vacuum pump capable of adapting to multiple caliber interfaces

Country Status (1)

Country Link
CN (1) CN221144706U (en)

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