CN111075940B - Connecting valve convenient for vacuumizing and breaking vacuum - Google Patents

Connecting valve convenient for vacuumizing and breaking vacuum Download PDF

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Publication number
CN111075940B
CN111075940B CN201911304194.3A CN201911304194A CN111075940B CN 111075940 B CN111075940 B CN 111075940B CN 201911304194 A CN201911304194 A CN 201911304194A CN 111075940 B CN111075940 B CN 111075940B
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CN
China
Prior art keywords
air
vacuumizing
sealing structure
movable piece
suction
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Active
Application number
CN201911304194.3A
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Chinese (zh)
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CN111075940A (en
Inventor
严长志
许仕建
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Guangdong Chuangzhi Intelligent Equipment Co ltd
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Guangdong Chuangzhi Intelligent Equipment Co ltd
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Application filed by Guangdong Chuangzhi Intelligent Equipment Co ltd filed Critical Guangdong Chuangzhi Intelligent Equipment Co ltd
Priority to CN201911304194.3A priority Critical patent/CN111075940B/en
Publication of CN111075940A publication Critical patent/CN111075940A/en
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Publication of CN111075940B publication Critical patent/CN111075940B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

The invention discloses a connecting valve convenient for vacuumizing and breaking vacuum, which is compact in structure, convenient to implement and convenient to use, and vacuumizing and breaking vacuum are carried out through the same air suction and air supply port; the arrangement of the sealing structure in the connecting valve and the arrangement of the resetting device are convenient for the vacuumizing device to close the sealing structure through the resetting device after vacuumizing, so that the vacuumizing device can stop without running all the time to maintain the negative pressure state of the end of the object connecting port, on one hand, the energy consumption is reduced, and on the other hand, the connecting valve and the vacuumizing device are convenient to separate, thereby facilitating the movement of the vacuumized object connected with the connecting valve, and facilitating the processing and production; the arrangement of the driving piece on the movable piece and the arrangement of the stress surface on the driving piece are convenient for the external air supply device to press the stress surface on the driving piece when supplying air into the air suction and air supply port, so that the driving piece can drive the movable piece to move by power to open the sealing structure, and the vacuum breaking is convenient.

Description

Connecting valve convenient for vacuumizing and breaking vacuum
Technical Field
The invention relates to a connecting valve convenient for vacuumizing and breaking vacuum.
Background
At present, in order to improve suction force, a sucking disc on the market is provided with an air suction one-way valve, after a user clings the sucking disc to a sucked piece, the air suction pump is connected with the air suction one-way valve on the sucking disc to suck air in a negative pressure cavity of the sucking disc, the air suction one-way valve is automatically closed after the air suction one-way valve is finished, the suction effect is good, but the air suction one-way valve limits the ventilation direction, air is fed to the existing air suction one-way valve from outside, the sucking disc cannot be broken, if the user needs to separate the sucking disc from the sucked piece, the user can only take other modes, such as picking the sucking disc by a knife to break the vacuum, or other vacuum breaking structures are additionally arranged on the sucking disc, the air suction one-way valve is troublesome to implement and is not suitable for application in certain occasions.
Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by the person skilled in the art.
Disclosure of Invention
The invention overcomes the defects of the technology and provides the connecting valve which is convenient for vacuumizing and breaking vacuum.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The connecting valve 1 is internally provided with an air flow channel 11, the air flow channel 11 is provided with an air suction air supply port 111 and an object connecting port 112, a movable piece 2 capable of moving back and forth in the air flow channel 11 is arranged in the air flow channel 11, a sealing structure which can enable the air flow channel 11 not to be communicated front and back is arranged between the air flow channel 11 and the movable piece 2 near the object connecting port 112, when an external vacuumizing device vacuumizes the air suction air supply port 111, the movable piece 2 can move under the action of negative pressure to enable the sealing structure to be opened, a reset device for driving the movable piece 2 to reset to enable the sealing structure to be closed is arranged in the connecting valve 1, a driving piece 3 capable of driving the movable piece 2 to move to enable the sealing structure to be opened when the external air supply device supplies air into the air suction air supply port 111 is connected to the movable piece 2, and a power driven surface 31 which is driven by the driving piece 3 to move to enable the sealing structure to be opened when the external air supply device supplies air to the air into the air suction air supply port 111.
The connecting valve for facilitating vacuumizing and breaking vacuum comprises a section of the trumpet-shaped side wall surface 113 arranged in the airflow channel 11 and the plug part 21 arranged on the movable piece 2, wherein when the movable piece 2 moves towards the direction of the trumpet-shaped side wall surface 113, the plug part 21 can be attached to the trumpet-shaped side wall surface 113, so that the airflow channel 11 is not communicated front and back.
The connecting valve is convenient for vacuumizing and breaking vacuum, and the reset device is a first reset spring 4 arranged in the airflow channel 11 and used for pressing the movable piece 2 towards the direction of the trumpet-shaped side wall surface 113.
The connecting valve is convenient for vacuumizing and breaking vacuum, the sucking disc 5 is connected to the object connecting port 112, and the sucking surface/sucking cavity 51 of the sucking disc 5 is provided with a communicating channel 511 communicated with the object connecting port 112.
The force bearing surface 31 is a horn surface, and the connecting valve is convenient for vacuumizing and breaking vacuum.
In the above-mentioned connecting valve for facilitating vacuum pumping and breaking, the air pumping and supplying port 111 is located on the wall of the connecting valve 1 between the sealing structure and the driving member 3. Or the air suction and air supply port 111, the driving piece 3, the sealing structure and the object connection port 112 are sequentially arranged, the driving piece 3 is arranged on the movable piece 2 close to the air suction and air supply port 111 in a non-falling manner, a cavity 32 which is not communicated with the air suction and air supply port 111 is formed between the outer wall of the driving piece 3 and the inner wall of the connecting valve 1, the stress surface 31 faces away from the direction of the air suction and air supply port 111, and a passing space 33 for passing air flow between the air suction and air supply port 111 and the sealing structure is arranged in the driving piece 3 or in the movable piece 2 or between the driving piece 3 and the movable piece 2; the cavity 32 is in communication with the atmosphere, and a second return spring 6 for pressing the driving member 3 in a direction away from the air suction/air feed port 111 is provided in the cavity 32.
Compared with the prior art, the invention has the beneficial effects that:
1. The connecting valve has good practicability, and the vacuumizing and the vacuum breaking are performed through the same air suction and air supply port, so that the connecting valve has a compact structure, is convenient to implement and is convenient to use; the sealing structure and the resetting device in the connecting valve are convenient for the vacuumizing device to close the sealing structure through the resetting device after vacuumizing, so that the vacuumizing device can stop without running all the time to maintain the negative pressure state of the end of the object connecting port, on one hand, the energy consumption is reduced, and on the other hand, the connecting valve and the vacuumizing device are convenient to separate, and therefore, the vacuumizing device is convenient for the movement of an object to be vacuumized, which is connected with the connecting valve, and the processing and the production are convenient; the driving piece is arranged on the movable piece and the stress surface is arranged on the driving piece, so that the external air supply device can supply air to the air suction and air supply port to press the stress surface on the driving piece, the driving piece is enabled to drive the movable piece to move so as to enable the sealing structure to be opened, the vacuum breaking is convenient, and the power for driving the movable piece to move can be improved by increasing the area of the stress surface during specific implementation, so that the vacuum breaking is easier.
2. The suction device is characterized in that a suction cup is connected to the object connecting port, the suction surface/suction cavity of the suction cup is provided with a communication channel communicated with the object connecting port, so that the suction object is sucked by the connecting valve through the suction cup, and when the air suction and air supply port is vacuumized by the external vacuumizing device, vacuum is formed between the suction surface/suction cavity and the suction object, and the suction surface/suction cavity is in good contact with the suction object.
3. The air suction and air supply port, the driving piece, the sealing structure and the object connecting port are sequentially arranged, so that the air suction and air supply port and the object connecting port are conveniently arranged at two ends of the connecting valve, the air suction and air supply port and the object connecting port are suitable for application in certain occasions, such as direct connection, and on the other hand, the air flow is conveniently and directly passed; in addition, the arrangement of the cavity between the outer wall of the driving piece and the inner wall of the connecting valve is convenient for preventing the air from being pressed to the outer wall of the driving piece when the air flow channel is subjected to air supply and vacuum breaking, and counteracts the pressing force of the air supply on the stress surface, so that the driving piece is easier to obtain power to drive the movable piece to move, and the sealing structure is opened.
4. The cavity is communicated with the atmosphere, so that when the driving piece drives the movable piece to move and the sealing structure is to be opened, the air pressure of the cavity cannot be gradually increased along with the reduction of the volume, and the movable piece is not easy to block the movement, so that the practicability is good; and the second reset spring is arranged to facilitate the reset of the driving piece.
Drawings
Fig. 1 is a schematic structural diagram of the present case.
Fig. 2 is an exploded view of the present case.
Fig. 3 is a schematic diagram of an application example of the present case.
Detailed Description
The following examples are provided to illustrate the features of the present invention and other related features in further detail to facilitate understanding by those skilled in the art:
As shown in fig. 1 to 2, an air flow channel 11 is arranged in the connecting valve 1, the air flow channel 11 is provided with an air suction air feed port 111 and an object connecting port 112, a movable piece 2 capable of moving back and forth in the air flow channel 11 is arranged in the air flow channel 11, a sealing structure which can prevent the air flow channel 11 from being communicated with the front and back is arranged between the air flow channel 11 and the movable piece 2 near the object connecting port 112, when an external vacuumizing device vacuumizes the air suction air feed port 111, the movable piece 2 can move under the action of negative pressure to open the sealing structure, a reset device for driving the movable piece 2 to reset to close the sealing structure is arranged in the connecting valve 1, the movable piece 2 is connected with a driving piece 3 which can drive the movable piece 2 to move to open the sealing structure when the external air feed device blows the air into the air suction air feed port 111, and the driving piece 3 is arranged on the driving piece 3 so that the sealing structure is pressed by the driving piece 31 to open when the external air feed device blows the air into the air suction air feed port 111.
As described above, the connecting valve 1 has good practicability, and the vacuumizing and the vacuum breaking are performed through the same air suction and air supply port 111, so that the structure is compact, the implementation is convenient, and the use is convenient; the arrangement of the sealing structure and the arrangement of the resetting device in the connecting valve 1 are convenient for the vacuumizing device to close the sealing structure through the resetting device after vacuumizing, so that the vacuumizing device can stop without running all the time to maintain the negative pressure state of the end of the object connecting port 112, on one hand, the energy consumption is reduced, and on the other hand, the connecting valve 1 is convenient to separate from the vacuumizing device, thereby facilitating the movement of the vacuumized object connected with the connecting valve 1, and facilitating the processing and production; the arrangement of the driving piece 3 on the movable piece 2 and the arrangement of the stress surface 31 on the driving piece 3 are convenient for the external air supply device to press the stress surface 31 on the driving piece 3 when air is supplied to the air suction and supply port 111, so that the driving piece 3 is powered to drive the movable piece 2 to move to open the sealing structure, the vacuum breaking is convenient, and the power of the driving piece 3 to drive the movable piece 2 to move can be improved by increasing the area of the stress surface 31 during specific implementation, so that the vacuum breaking is easier.
As described above, in the embodiment, the sealing structure includes a section of the flared sidewall surface 113 disposed in the airflow channel 11 and the plug portion 21 disposed on the movable member 2, and when the movable member 2 moves toward the flared sidewall surface 113, the plug portion 21 can be attached to the flared sidewall surface 113, so that the airflow channel 11 is not communicated with the front and rear directions.
As described above, in the embodiment, the sealing structure may take other forms, such as providing an annular step in the air flow channel 11 and providing the plug portion 21 on the movable member 2, where the plug portion 21 can be attached to the annular step when the movable member 2 moves in the direction of the annular step, so that the air flow channel 11 is not communicated with the front and rear.
As described above, in the embodiment, the return means is a first return spring 4 disposed in the air flow channel 11 for pressing the movable member 2 toward the trumpet-shaped side wall surface 113.
As described above, in the specific implementation, the suction cup 5 is connected to the object connection port 112, and the suction surface/suction cavity 51 of the suction cup 5 is provided with the communication channel 511 that is communicated with the object connection port 112, so that the connection valve 1 sucks the sucked object through the suction cup 5, and when the external vacuumizing device performs vacuumizing on the air suction and air supply port 111, vacuum is formed between the suction surface/suction cavity 51 and the sucked object, so that the sucked object is better sucked and contacted, and the practicability is good.
As described above, in the embodiment, the force receiving surface 31 is a horn surface.
In embodiment 1, the air suction and air supply port 111 is located on the wall of the connecting valve 1 between the sealing structure and the driving member 3, so that the driving member 3 does not form a barrier to the air flow passing between the air suction and air supply port 111 and the sealing structure, and the air flow passing is convenient.
In embodiment 2, the air-extracting air-feeding port 111, the driving member 3, the sealing structure and the material-connecting port 112 are sequentially arranged, the driving member 3 is in anti-disengaging sleeve on the movable member 2 near the air-extracting air-feeding port 111, a cavity 32 which is not communicated with the air-extracting air-feeding port 111 is formed between the outer wall of the driving member 3 and the inner wall of the connecting valve 1, the stress surface 31 faces away from the air-extracting air-feeding port 111, and a passing space 33 for passing air flow between the air-extracting air-feeding port 111 and the sealing structure is arranged in the driving member 3 or in the movable member 2 or between the driving member 3 and the movable member 2.
As described above, the air suction and air supply port 111, the driving member 3, the sealing structure and the object connection port 112 are sequentially arranged, so that on one hand, the air suction and air supply port 111 and the object connection port 112 are conveniently arranged at two ends of the connection valve 1, as shown in fig. 3, the air suction and air supply valve is suitable for some applications, such as direct connection, and on the other hand, the air flow is conveniently and directly passed; in addition, the cavity 32 is disposed between the outer wall of the driving member 3 and the inner wall of the connecting valve 1, so that the air supply gas does not press the outer wall of the driving member 3 to counteract the pressing force of the air supply gas on the bearing surface 31 when the air supply channel 11 is subjected to air supply and vacuum breaking, and thus, the driving member 3 is easier to obtain power to drive the movable member 2 to move, and the sealing structure is opened.
In embodiment 2 described above, when the cavity 32 is opened to the atmosphere, the second return spring 6 for pressing the driver 3 in a direction away from the suction/air feed port 111 is provided in the cavity 32.
In the embodiment 2, the cavity 32 is in communication with the atmosphere, so that when the driving member 3 drives the movable member 2 to move and the sealing structure is to be opened, the air pressure of the cavity 32 is not gradually increased along with the reduction of the volume, thereby being not easy to block the movement of the movable member 2, and the practicability is good; and the second return spring 6 is arranged to facilitate the return of the driving member 3.
As described above, the present case protects a connecting valve which is convenient for vacuumizing and breaking vacuum, and all technical schemes which are the same as or similar to the structure of the present case are shown as falling within the protection scope of the present case.

Claims (6)

1. A connecting valve convenient for vacuumizing and breaking vacuum is characterized in that an air flow channel (11) is arranged in the connecting valve (1), the air flow channel (11) is provided with an air suction air supply port (111) and an object connecting port (112), a movable piece (2) capable of reciprocating in the air flow channel (11) is arranged in the air flow channel (11), a sealing structure which can enable the air flow channel (11) not to be communicated front and back is arranged between the air flow channel (11) and the movable piece (2) close to the object connecting port (112), when an external vacuumizing device vacuumizes the air suction air supply port (111), the movable piece (2) can move under the action of negative pressure to enable the sealing structure to be opened, a reset device for driving the movable piece (2) to reset to enable the sealing structure to be closed is arranged in the connecting valve (1), the movable piece (2) is connected with a sealing structure capable of driving the movable piece (2) to move to enable the sealing structure to be opened when the external air supply device supplies air into the air suction port (111), and the air supply device is driven to move to the sealing structure (3) to be conveniently opened when the air supply port (3) is driven to be driven by the air supply port (3) to be opened;
The sealing structure comprises a section of trumpet-shaped side wall surface (113) arranged in the airflow channel (11) and a plug part (21) arranged on the movable piece (2), wherein when the movable piece (2) moves towards the trumpet-shaped side wall surface (113), the plug part (21) can be attached to the trumpet-shaped side wall surface (113) so that the front and the back of the airflow channel (11) are not communicated;
The stress surface (31) is a horn surface.
2. A connection valve for facilitating evacuation and breaking of vacuum according to claim 1, characterised in that the return means is a first return spring (4) arranged in the air flow channel (11) for urging the movable element (2) in the direction of the trumpet-shaped side wall surface (113).
3. The connecting valve convenient for vacuumizing and breaking vacuum according to claim 1 is characterized in that a sucker (5) is connected to the object connecting port (112), and a communicating channel (511) communicated with the object connecting port (112) is arranged on the suction surface/suction cavity (51) of the sucker (5).
4. A connection valve for facilitating evacuation and breaking of vacuum according to any of claims 1-3, characterised in that the suction air bleed (111) is located on the wall of the connection valve (1) between the sealing structure and the driving member (3).
5. The connecting valve for facilitating vacuumizing and breaking vacuum according to any one of claims 1-3, wherein the vacuumizing air inlet (111), the driving piece (3), the sealing structure and the material connecting port (112) are sequentially arranged, the driving piece (3) is arranged on the movable piece (2) close to the vacuumizing air inlet (111) in an anti-disengaging mode, a cavity (32) which is not communicated with the vacuumizing air inlet (111) is formed between the outer wall of the driving piece (3) and the inner wall of the connecting valve (1), the stress surface (31) faces away from the direction of the vacuumizing air inlet (111), and a passing space (33) for air flow passing between the vacuumizing air inlet (111) and the sealing structure is formed in the driving piece (3) or between the driving piece (3) and the movable piece (2).
6. A connection valve for facilitating evacuation and breaking of vacuum according to claim 5, characterised in that the cavity (32) is open to the atmosphere, and that a second return spring (6) for pressing the driving member (3) in a direction away from the suction air feed (111) is provided in the cavity (32).
CN201911304194.3A 2019-12-17 2019-12-17 Connecting valve convenient for vacuumizing and breaking vacuum Active CN111075940B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911304194.3A CN111075940B (en) 2019-12-17 2019-12-17 Connecting valve convenient for vacuumizing and breaking vacuum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911304194.3A CN111075940B (en) 2019-12-17 2019-12-17 Connecting valve convenient for vacuumizing and breaking vacuum

Publications (2)

Publication Number Publication Date
CN111075940A CN111075940A (en) 2020-04-28
CN111075940B true CN111075940B (en) 2024-06-04

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CN201911304194.3A Active CN111075940B (en) 2019-12-17 2019-12-17 Connecting valve convenient for vacuumizing and breaking vacuum

Country Status (1)

Country Link
CN (1) CN111075940B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB148034A (en) * 1919-06-17 1920-07-29 Richard Leumann Improvements in automatic weighing apparatus for powdery granulated, or liquid substances
CN1882484A (en) * 2003-11-13 2006-12-20 法克有限公司 Non-fragmenting pressure relief apparatus
CN101957127A (en) * 2010-09-03 2011-01-26 昆山康和电子科技有限公司 Vacuum drying equipment
CN103325651A (en) * 2012-03-21 2013-09-25 Fei公司 Multiple gas injection system
CN208790285U (en) * 2018-08-07 2019-04-26 张国来 A kind of push type heat preserving antistaling Vacuum lunch box
CN209444860U (en) * 2018-11-02 2019-09-27 富泰华工业(深圳)有限公司 Vacuum valve
CN211738059U (en) * 2019-12-17 2020-10-23 广东创智智能装备有限公司 Connecting valve structure convenient for vacuumizing and breaking vacuum

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB148034A (en) * 1919-06-17 1920-07-29 Richard Leumann Improvements in automatic weighing apparatus for powdery granulated, or liquid substances
CN1882484A (en) * 2003-11-13 2006-12-20 法克有限公司 Non-fragmenting pressure relief apparatus
CN101957127A (en) * 2010-09-03 2011-01-26 昆山康和电子科技有限公司 Vacuum drying equipment
CN103325651A (en) * 2012-03-21 2013-09-25 Fei公司 Multiple gas injection system
CN208790285U (en) * 2018-08-07 2019-04-26 张国来 A kind of push type heat preserving antistaling Vacuum lunch box
CN209444860U (en) * 2018-11-02 2019-09-27 富泰华工业(深圳)有限公司 Vacuum valve
CN211738059U (en) * 2019-12-17 2020-10-23 广东创智智能装备有限公司 Connecting valve structure convenient for vacuumizing and breaking vacuum

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