CN115285522A - Air valve - Google Patents
Air valve Download PDFInfo
- Publication number
- CN115285522A CN115285522A CN202210939381.4A CN202210939381A CN115285522A CN 115285522 A CN115285522 A CN 115285522A CN 202210939381 A CN202210939381 A CN 202210939381A CN 115285522 A CN115285522 A CN 115285522A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve core
- air
- sealing
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
- B65D81/2038—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum with means for establishing or improving vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The invention discloses an air valve which comprises a valve seat, wherein an exhaust passage and a valve core for opening and closing the exhaust passage are arranged on the valve seat, a sealing structure is arranged between the valve core and the exhaust passage, and the valve core is connected to the valve seat in a turnover and opening manner, so that the valve core can be pushed open by airflow in the exhaust passage when the air valve exhausts. The rotary opening-closing type valve core is adopted to replace an air plug moving up and down, a cover body used for pressing the air plug and a cylinder structure used for installing the cover body are omitted, the overall height of the air valve is greatly reduced, and the air valve is beneficial to transportation and storage.
Description
Technical Field
The invention relates to the technical field of vacuum bag air valves, in particular to an air valve.
Background
The vacuum compression bag is generally provided with an air valve for air suction or air exhaust, and the patent with the publication number of CN109850356A discloses an air valve named as an air nozzle structure for the vacuum compression bag, in the air valve, an air plug capable of moving up and down is adopted to open or close an air exhaust port, after the air exhaust is completed, a cover body capable of rotating up and down is adopted to press the air plug to realize sealing, in order to facilitate the installation of the cover body, an upward convex cylinder structure is required to be arranged on the upper part of a base body, and the cover body is installed on the cylinder structure, so the air valve has the problem of large overall height, the thickness of the folded and stored vacuum bag provided with the air valve is large, large space is required to be occupied, and transportation and storage are inconvenient. In addition, in the air valve, the air plug is provided with a guide post positioned in the air outlet, and air flow needs to be discharged from a gap between the guide post and the inner side wall of the air outlet when air is discharged, so that the air discharging speed is not ideal.
Disclosure of Invention
In view of the above, the present invention provides a gas valve with high exhaust speed and reduced overall height.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the utility model provides an air valve, includes the disk seat, be provided with the exhaust passage that link up about wearing and be used for opening and close on the disk seat the case of exhaust passage's last port, be provided with seal structure between case and the exhaust passage, the case can be connected on the disk seat with opening and shutting in the place of overturning, makes when the air valve exhausts the air current in the exhaust passage can open the case, the angle that the case upset was opened is less than 90 degrees, makes after the air valve exhausts the completion the case can automatic closure, the lower surface of disk seat is provided with supporting framework.
In a preferred aspect of the present invention, the support frame includes a plurality of ribs, each of which is radially distributed centering on an axis of the exhaust passage.
In a preferable scheme of the invention, the valve core covers the upper port of the exhaust passage when in a closed state, the valve core is a rigid part, and the valve core is hinged with the valve seat so as to drive the valve core to integrally rotate and open when the air pressure in the exhaust passage is greater than the air pressure on the upper surface of the valve core.
In a preferable aspect of the present invention, an accommodating groove is formed in an upper surface of the valve seat, and the valve element is accommodated in the accommodating groove when the valve element is in the closed state, so that the upper surface of the valve element is not higher than the upper surface of the valve seat.
In a preferred aspect of the present invention, the valve core includes a rotating arm adapted to the accommodating groove, and a covering portion located at a left portion of the rotating arm and capable of covering an upper port of the exhaust passage, and the pivot hole is disposed on the rotating arm.
In a preferable scheme of the invention, an inclined plane which is gradually reduced from one end far away from the hinge joint of the valve core to one end close to the hinge joint of the valve core is arranged at the bottom of the accommodating groove, and an upper port of the exhaust channel is arranged on the inclined plane.
In a preferable scheme of the invention, the valve core is connected with a return elastic piece which can drive the valve core to rotate to a closed state.
In a preferred embodiment of the present invention, a connection post located on the right side of the pivot hole is disposed on the lower surface of the valve core, a positioning hole located below the connection post is disposed on the bottom surface of the accommodation groove, the reset elastic member is a pressure spring, an upper end of the pressure spring is sleeved on the connection post, and a lower end of the pressure spring is inserted into the positioning hole.
In a preferred embodiment of the present invention, the valve seat is hinged to the right side portion of the valve element, the elastic return member is an elastic tension member connecting the left side portion of the valve element and the valve seat, and the sealing structure is disposed in the middle of the valve element.
In a preferable scheme of the invention, a first hook is arranged at the edge of the left side of the valve core, a second hook is arranged on the valve seat, and the elastic tension member is an elastic rope, a rubber band or a tension spring connected between the first hook and the second hook.
In a preferable scheme of the invention, a hand-digging part which can be opened by a person is arranged at the left side part of the valve core.
In a preferred embodiment of the present invention, a tapered surface that gradually expands from bottom to top is disposed at an upper port of the exhaust passage, and the sealing structure includes a sealing ring that is disposed on the valve element and can be pressed against the tapered surface.
In a preferred scheme of the invention, the lower surface of the valve core is provided with an installation platform, the outer side wall of the installation platform is provided with a sealing groove which surrounds the installation platform for a circle, the sealing ring is sleeved in the sealing groove, and the outer side part of the sealing ring protrudes out of the outer side wall of the installation platform.
In a preferred aspect of the present invention, a locking device capable of locking the valve element and the valve seat when the valve element is in the closed state is provided between the valve element and the valve seat.
In a preferred scheme of the invention, the valve core is hinged with the valve seat, the upper ports of the sealing structure and the exhaust channel are positioned on the left side of the rotation axis of the valve core, a limit table positioned on the right side of the rotation axis of the valve core is arranged on the valve seat, the locking device comprises a movable locking cover part movably arranged on the valve core, the movable locking cover part is driven by external force and moves to a position abutted against the limit table to lock the valve core, and the movable locking cover part is separated from the limit table to unlock the valve core.
In a preferable scheme of the invention, the movable locking cover piece is installed on the valve core in a manner of moving left and right, and a guide structure capable of guiding the movable locking cover piece is arranged on the valve core.
In a preferable scheme of the invention, a locking device capable of limiting the movable locking cover piece to move leftwards when the valve core is in a locking state is further arranged between the valve core and the movable locking cover piece.
In a preferred embodiment of the present invention, the movable locking cover is a plate, the locking device includes a first locking block disposed on an upper surface of the valve core, and a second locking block disposed on a lower surface of the movable locking cover, both left and right sides of the first locking block are slopes, both left and right sides of the second locking block are slopes, and in a process of moving the movable locking cover to the right to switch the valve core to the locked state, the second locking block passes over the first locking block and is fastened on the slope on the right side of the first locking block.
In a preferred aspect of the present invention, the guide structure includes a long hole disposed on the valve core, a buckle passing through the long hole is disposed on the movable locking cover, and a fastening position capable of limiting the buckle to be pulled out of the long hole upwards is disposed at a lower end of the buckle.
In a preferred aspect of the present invention, a seal groove disposed around an upper port of the exhaust passage is disposed on the valve seat, the seal structure includes a seal ring disposed in the seal groove, and a top of the seal ring protrudes above an upper edge of the seal groove so that the valve element can press the seal ring.
In a preferred aspect of the present invention, an upwardly protruding annular air tap is disposed at an upper port of the exhaust passage, the sealing structure includes a sealing piece disposed on a lower surface of the valve core, and the sealing piece is pressed against the upper end surface of the annular air tap when the valve core is in a closed state.
In a preferred embodiment of the present invention, an upwardly protruding annular air tap is disposed at an upper port of the exhaust passage, the sealing structure includes a sealing ring, an annular groove matched with the annular air tap is formed in a lower surface of the sealing ring, the annular air tap is clamped in the annular groove and is in interference fit with the sealing ring, and the valve core is pressed against an upper surface of the sealing ring when in a closed state.
In a preferred embodiment of the present invention, the valve seat is provided with a sealing groove disposed around an upper port of the exhaust passage, the sealing structure includes a sealing ring disposed in the sealing groove, the valve element is plate-shaped, and an annular pressing table capable of pressing an upper surface of the sealing ring is disposed on a lower surface of the valve element.
In a preferred embodiment of the present invention, the valve element is rotatably connected to the valve seat by a soft connecting edge.
The invention has the beneficial effects that:
firstly, the rotary opening-closing type valve core is adopted to replace an air plug which moves up and down in the existing air valve, a cover body used for pressing the air plug and a cylinder structure used for installing the cover body are omitted, the overall height of the air valve is greatly reduced, and the air valve is beneficial to transportation and storage.
Secondly, when the air valve is applied to a vacuum bag, the valve core can be integrally turned over and opened in an exhaust state, so that the upper port of the exhaust channel is opened.
Drawings
FIG. 1 is a perspective view of embodiment 1 of the present invention;
FIG. 2 is an exploded view of embodiment 1 of the present invention;
FIG. 3 is a cross-sectional view of embodiment 1 of the invention with the valve cartridge in the closed state;
fig. 4 is a sectional view of embodiment 1 of the present invention with the valve element in the open state;
FIG. 5 is a perspective view of embodiment 2 of the present invention;
FIG. 6 is an exploded view of embodiment 2 of the present invention;
FIG. 7 is a cross-sectional view of embodiment 2 of the invention with the valve spool in the closed condition;
FIG. 8 is a cross-sectional view of embodiment 2 of the invention with the valve spool in the open condition;
FIG. 9 is a perspective view of a movable locking cover member in embodiment 2 of the present invention;
FIG. 10 is a cross-sectional view of embodiment 3 of the invention with the valve cartridge in the closed condition;
FIG. 11 is a cross-sectional view of embodiment 3 of the invention with the valve spool in the open condition;
FIG. 12 is an exploded view of embodiment 3 of the present invention;
FIG. 13 is a cross-sectional view of embodiment 4 of the invention with the valve cartridge in the closed condition;
FIG. 14 is a cross-sectional view of embodiment 5 of the invention with the valve spool in the closed condition;
FIG. 15 is a cross-sectional view of embodiment 6 of the invention with the valve spool in the closed condition;
FIG. 16 is a cross-sectional view of embodiment 7 of the invention with the valve cartridge in the closed condition;
fig. 17 is a sectional view of embodiment 8 of the present invention with the spool in the closed state.
Detailed Description
The technical scheme of the invention is clearly and completely described in the following with reference to the attached drawings.
It should be noted that all directional indicators (such as upper, lower, left, right, front, and rear 8230; etc.) in the present invention are only used for explaining the relative positional relationship between the components in a specific posture (as shown in the attached drawings), the motion situation, etc., and if the specific posture is changed, the directional indicator is changed accordingly. In addition, the descriptions related to "preferred", "less preferred", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "preferred" or "less preferred" may explicitly or implicitly include at least one such feature.
Referring to fig. 1 to 17, the invention provides an air valve, which comprises a valve seat 1, wherein an exhaust passage 101 and a valve core 2 for opening and closing the exhaust passage 101 are arranged on the valve seat 1, a sealing structure is arranged between the valve core 2 and the exhaust passage 101, and the valve core 2 is connected to the valve seat 1 in a turnover opening and closing manner, so that the valve core 2 can be jacked open by air flow in the exhaust passage 101 when the air valve exhausts. The upper port department at exhaust passage 101 is closed to the lid when case 2 is in the closed condition, is provided with the spacing face that can open with case 2 butt when case 2 is provided with on the disk seat 1, and under the limiting displacement of spacing face, the angle that case 2 overturns and opens is less than 90 degrees for case 2 can be closed automatically under the effect of self gravity or negative pressure suction after the pneumatic valve is discharged.
The lower surface of the valve seat 1 is provided with a support frame 102, and the support frame 102 includes a plurality of ribs, and each rib is radially distributed around the axis of the exhaust passage 101. The design of the support frame 102 facilitates evacuation of the gas from the vacuum bag.
The rotary opening-closing type valve core 2 is adopted to replace an air plug which moves up and down in the existing air valve, a cover body used for pressing the air plug and a cylinder structure used for installing the cover body are omitted, the overall height of the air valve is greatly reduced, and the air valve is beneficial to transportation and storage. When the air valve is applied to a vacuum bag, the valve core 2 can be integrally turned and opened in an exhaust state, so that the upper port of the exhaust channel 101 is opened.
Further, the valve core 2 is connected with a return elastic piece which can drive the valve core to rotate to a closed state. After the exhaust is finished, the automatic valve core 2 can be driven to reset to a closed state under the elastic force action of the elastic resetting piece.
Example 1
Fig. 1 to 4 show an embodiment 1 of the present invention, in which a valve element 2 is a rigid member, and the valve element 2 is hinged to a valve seat 1 so as to drive the valve element 2 to rotate and open integrally when the air pressure in an exhaust passage 101 is greater than the air pressure on the upper surface of the valve element 2.
The upper port of the exhaust passage 101 is provided with a tapered surface 103 which gradually expands from bottom to top, and the sealing structure includes a sealing ring 4 which is arranged on the valve core 2 and can be pressed on the tapered surface 103. The sealing ring 4 may be an O-ring or other type of sealing structure.
When the sealing ring 4 adopts an O-shaped ring, the sealing ring adopts the following structure to be installed in a matching way: the lower surface of the valve element 2 is provided with a mounting table 21, the outer side wall of the mounting table 21 is provided with a sealing groove 22 surrounding the mounting table 21 for one circle, the sealing ring 4 is sleeved in the sealing groove 22, and the outer side part of the sealing ring 4 protrudes out of the outer side wall of the mounting table 21. When the valve element 2 is closed, the outer side portion of the seal ring 4 is pressed against the tapered surface 103, and the sealing effect is excellent.
In this embodiment, the accommodating groove 107 is formed in the upper surface of the valve seat 1, and the valve element 2 is accommodated in the accommodating groove 107 when in the closed state, so that the upper surface of the valve element 2 is not higher than the upper surface of the valve seat 1. With such a design, the space can be effectively utilized, so that the valve element 2 is not protruded when being in a closed state, and the thickness can be further reduced.
Referring to fig. 2, a pivot hole 25 is formed in the valve element 2, and a rotating shaft rotatably engaged with the pivot hole 25 is formed in an inner side wall of the accommodating groove 107 so that the valve element 2 is hinged to the valve seat 1. The valve core 2 comprises a rotating arm 201 matched with the accommodating groove 107 and a covering part 202 which is positioned at the left part of the rotating arm 201 and can cover the upper port of the exhaust channel 101, and the pivot hole 25 is arranged on the rotating arm 201. Preferably, the rotating arm 201 and the covering part 202 are of an integral rigid structure, and by adopting the design, the valve core 2 rotates integrally when being opened by rotation, and the rotation response is fast.
Further, the bottom of the receiving groove 107 is provided with an inclined surface 104 that gradually decreases from left to right, and the upper port of the exhaust passage 101 is provided on the inclined surface 104.
The reset elastic member is provided with the following two schemes, namely, the reset elastic member is a pressure spring 31, the lower surface of the valve core 2 is provided with a connecting column 26 located on the right side of the pivot hole 25, the bottom surface of the accommodating groove 107 is provided with a positioning hole 109 located below the connecting column 26, the upper end of the pressure spring 31 is sleeved on the connecting column 26, the lower end of the pressure spring 31 is inserted into the positioning hole 109, the pressure spring 31 is positioned through the connecting column 26 and the positioning hole 109, and the pressure spring 31 can be prevented from being separated from a working position in the using process. 2. The elastic reset part adopts a torsion spring which can drive the valve core 2 to rotate and close.
When the elastic restoring element adopts the first scheme, the valve core 2 is provided with a pressing part positioned at the right side of the pivot joint hole 25, so that the valve core 2 can be driven to rotate to an open state when the pressing part is pressed down. When the vacuum bag is in a negative pressure state, the valve core 2 is opened by pressing the pressing part, so that the outside air can quickly enter the bag body.
The valve core 2 of this embodiment can overturn when the pneumatic valve is at the exhaust state, and the pressure that exerts the vacuum bag at this moment or the draft force that exerts to the pneumatic valve is big more, and the open angle of valve core 2 is big more, and it is also corresponding faster to exhaust, and the valve core 2 resets under the action of self gravity, the negative pressure suction in the vacuum bag or the elasticity effect of the elastic component that resets when stopping exhausting and makes valve core 2 close, and the sealing washer 4 through on the valve core 2 contacts with conical surface 103 on the disk seat 1 and seals, and sealing performance is excellent. The upper port of the exhaust passage 101 is formed in the inclined surface 104, so that a certain avoidance space can be provided for the valve element 2, and the valve element 2 is prevented from contacting the valve seat 1 before being turned over to a closed state and being unable to accurately return to the closed position.
Example 2
Fig. 5 to 9 show an embodiment 2 of the present invention, and this embodiment has a similar structure to that of embodiment 1, but is different in that a lock device capable of locking the valve element 2 with the valve seat 1 when the valve element 2 is in the closed state is further added in this embodiment.
In this embodiment, the valve seat 1 is provided with a limit table 106 located on the right side of the rotation axis of the valve element 2, the locking device includes a movable locking cover member 5 movably disposed on the valve element 2, the movable locking cover member 5 is driven by an external force and locks the valve element 2 when moving to a position abutting against the limit table 106, and the movable locking cover member 5 unlocks the valve element 2 when being separated from the limit table 106.
The movable lid member 5 may be provided rotatably or movably left and right. Among which a mobile solution is preferred.
When the movable locking cover part 5 adopts a movable scheme, the movable locking cover part 5 can be installed on the valve core 2 in a left-right moving mode, and a guide structure capable of guiding the movable locking cover part 5 is arranged on the valve core 2. The movable locking cover member 5 is driven by an external force and moves rightward to lock the valve element 2 when abutting against the limit table 106, and the movable locking cover member 5 moves leftward to unlock the valve element 2 when being out of contact with the limit table 106.
Further, a locking device capable of limiting the movable locking cover part 5 to move leftwards when the valve core 2 is in the locking state is arranged between the valve core 2 and the movable locking cover part 5. Specifically, the movable locking cover 5 is a hard plastic plate having certain elasticity, the locking device includes a first locking block 27 disposed on the upper surface of the valve core 2 and a second locking block 51 disposed on the lower surface of the movable locking cover 5, both left and right side portions of the first locking block 27 are slopes, both left and right side portions of the second locking block 51 are slopes, and in the process that the movable locking cover 5 moves rightwards to switch the valve core 2 to the locking state, the second locking block 51 passes over the first locking block 27 and is buckled on the slope on the right side of the first locking block 27. The guiding structure comprises a long hole 28 arranged on the valve core 2, a buckle 52 penetrating through the long hole 28 is arranged on the movable locking cover part 5, and a buckle position 53 capable of limiting the buckle 52 to be separated from the long hole 28 upwards is arranged at the lower end of the buckle 52. The locking device has the functions of: under the condition that the movable locking cover part 5 is not subjected to external force, the movable locking cover part 5 can be kept in a state of locking the valve core 2 and the valve seat 1, and the movable locking cover part 5 in the air valve is prevented from moving under the action of gravity to unlock the valve core 2 and the valve seat 1 when the air valve is placed obliquely.
In this embodiment, the operating principle of the valve element 2 for opening and closing by rotation is the same as that of embodiment 1, that is: the valve core 2 of the air valve in the embodiment can be turned over when the air valve is in an exhaust state, the pressure applied to a vacuum bag or the drawing force applied to the air valve is larger, the opening angle of the valve core 2 is larger, the exhaust is faster correspondingly, and when the exhaust is stopped, the valve core 2 is reset under the elastic action of the reset elastic piece, so that the sealing ring 4 on the valve core 2 is in contact sealing with the conical surface 103 on the valve seat 1, and the sealing performance is excellent. The upper port of the exhaust passage 101 is formed in the inclined surface 104, so that a certain avoidance space can be provided for the valve element 2, and the valve element 2 is prevented from contacting the valve seat 1 before being turned over to a closed state and being unable to accurately return to the closed position.
Compared with the embodiment 1, the present embodiment has the following advantages that after the air exhaust is completed and the valve core 2 returns to the closed state, the valve core 2 can be locked by moving or rotating the movable locking cover part 5, so that the permanent sealing is realized, and the valve core 2 is prevented from losing the sealing effect due to the mistaken collision.
In some aspects of the invention, the locking device may also take other forms, such as: a pin is used to lock the valve element 2 and the valve seat 1, again for example: a hook is arranged on the valve seat 1, an annular rope is arranged on the valve core 2, and the valve core 2 and the valve seat 1 can be locked when the free end of the annular rope is tightly tied on the hook.
Example 3
Fig. 9 to 12 show an embodiment 3 of the present invention, in which the upper port of the exhaust passage 101 is provided with a tapered surface 103 that gradually expands from bottom to top, and the sealing structure includes a sealing ring 4 that is provided on the valve element 2 and can be pressed against the tapered surface 103. The sealing ring 4 may be an O-ring or other type of sealing structure.
When the sealing ring 4 adopts an O-shaped ring, the sealing ring adopts the following structure to be installed in a matching way: the lower surface of the valve core 2 is provided with a mounting table 21, the outer side wall of the mounting table 21 is provided with a sealing groove 22 which surrounds the mounting table 21 for one circle, the sealing ring 4 is sleeved in the sealing groove 22, and the outer side part of the sealing ring 4 protrudes out of the outer side wall of the mounting table 21. When the valve element 2 is closed, the outer side portion of the seal ring 4 is pressed against the tapered surface 103, and the sealing effect is excellent.
In this embodiment, the receiving groove 107 is formed on the upper surface of the valve seat 1, and the valve element 2 is received in the receiving groove 107 when in the closed state, so that the upper surface of the valve element 2 is not higher than the upper surface of the valve seat 1. With such a design, the space can be effectively utilized, so that the valve element 2 is not protruded when in a closed state, and the thickness can be further reduced.
The valve core 2 is provided with a pivot hole 25, and the inner side wall of the containing groove 107 is provided with a rotating shaft which is rotatably matched with the pivot hole 25 so as to enable the valve core 2 to be hinged with the valve seat 1. The reset elastic part is an elastic tension part 32 which connects the left side part of the valve core 2 with the valve seat 1, and the sealing structure is arranged in the middle part of the valve core 2.
The left edge of the valve core 2 is provided with a first hook 29, the valve seat 1 is provided with a second hook 108, and the elastic tension member 32 is an elastic rope, a rubber band or a tension spring connected between the first hook 29 and the second hook 108. Two hooks are used to connect the elastic tension member 32, which facilitates its removal and replacement when the elastic tension member 32 fails.
Further, the left side of the valve core 2 is provided with a hand-holding part 20 for the hand to open the valve core 2. Facilitating the opening of the cartridge 2 by the user.
The valve core 2 of this embodiment can overturn when the pneumatic valve is at the exhaust state, and the pressure that exerts to the vacuum bag or the draft that exerts to the pneumatic valve is big more this moment, and the open angle of valve core 2 is big more, and it is corresponding faster also to exhaust, and the valve core 2 resets under the elastic force effect of the elastic component that resets and makes the sealing washer 4 on the valve core 2 and the conical surface 103 on the valve seat 1 contact sealedly when stopping exhausting, and sealing performance is excellent.
Example 4
Fig. 13 shows embodiment 4 of the present invention, and this embodiment has a similar structure to embodiment 2, but differs in the specific form of the seal structure.
In this embodiment, the valve seat 1 is provided with a sealing groove 22 disposed around an upper port of the exhaust passage 101, the sealing structure includes a sealing ring 4 disposed in the sealing groove 22, and a top of the sealing ring 4 protrudes beyond an upper edge of the sealing groove 22 so that the valve element 2 can press the sealing ring 4.
Example 5
Fig. 14 shows embodiment 5 of the present invention, and this embodiment has a similar structure to embodiment 2, but differs in the specific form of the seal structure.
In this embodiment, an annular air nozzle 111 protruding upward is disposed at an upper port of the exhaust passage 101, the sealing structure includes a sealing sheet 7 disposed on a lower surface of the valve element 2, and the sealing sheet 7 is pressed against an upper end surface of the annular air nozzle 111 when the valve element 2 is in a closed state.
Example 6
Fig. 15 shows embodiment 6 of the present invention, and this embodiment has a similar structure to embodiment 2, but differs in the specific form of the seal structure.
In this embodiment, an annular air tap 111 protruding upward is disposed at an upper port of the exhaust passage 101, the sealing structure includes a sealing ring 4, an annular groove 41 matching with the annular air tap 111 is disposed on a lower surface of the sealing ring 4, the annular air tap 111 is clamped in the annular groove 41 and is in interference fit with the sealing ring 4, and the valve element 2 is pressed on an upper surface of the sealing ring 4 when being in a closed state.
Example 7
Fig. 16 shows embodiment 7 of the present invention, and this embodiment has a similar structure to embodiment 2, and is different in the concrete form of the seal structure.
In this embodiment, a seal groove 22 arranged around an upper port of the exhaust passage 101 is provided on the valve seat 1, the seal structure includes a seal ring 4 disposed in the seal groove 22, the valve element 2 is plate-shaped, and an annular pressing table 8 capable of pressing an upper surface of the seal ring 4 is provided on a lower surface of the valve element 2.
Example 8
Fig. 17 shows embodiment 8 of the present invention, and this embodiment has a similar structure to embodiment 8, and is different from embodiment 8 in the concrete form of the rotary joint structure of the valve seat 1 and the valve body 2.
In this embodiment, the valve element 2 is rotatably connected to the valve seat 1 via a soft connecting edge 9. The connecting edge 9 is generally made of deformable plastic materials, the connecting edge 9 is thinner so as to be convenient to bend, and the valve core 2 drives the connecting edge 9 to bend and deform when rotating.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which can be directly or indirectly applied to other related technical fields without departing from the spirit of the present invention, are intended to be included in the scope of the present invention.
Claims (25)
1. The air valve is characterized by comprising a valve seat (1), wherein an exhaust channel (101) penetrating through the valve seat (1) from top to bottom and a valve core (2) used for opening and closing an upper port of the exhaust channel (101) are arranged on the valve seat (1), a sealing structure is arranged between the valve core (2) and the exhaust channel (101), the valve core (2) is connected to the valve seat (1) in a turnover and opening mode, the valve core (2) can be pushed open by air flow in the exhaust channel (101) when the air valve exhausts, and the valve core (2) can be automatically closed after the air valve (1) exhausts.
2. An air valve according to claim 1, characterized in that the valve core (2) covers the upper port of the exhaust passage (101) when in the closed state, the valve core (2) is a rigid member, and the valve core (2) is hinged with the valve seat (1) so as to drive the valve core (2) to integrally rotate and open when the air pressure in the exhaust passage (101) is greater than the air pressure on the upper surface of the valve core (2).
3. An air valve according to claim 2, characterized in that the upper surface of the valve seat (1) is provided with a containing groove (107), and the valve core (2) is contained in the containing groove (107) when in a closed state.
4. An air valve according to claim 3, characterized in that the valve core (2) comprises a rotating arm (201) matched with the containing groove (107) and a covering part (202) which is positioned at the left part of the rotating arm (201) and can cover the upper port of the exhaust channel (101), and the upper surface of the valve core (2) is not higher than the upper surface of the valve seat (1) when the valve core (2) is in the closed state.
5. An air valve according to claim 4, characterized in that the bottom of the containing groove (107) is provided with a slope (104) which gradually decreases from one end far away from the hinge joint of the valve core (2) to one end close to the hinge joint of the valve core (2), and the upper port of the exhaust channel (101) is arranged on the slope (104).
6. A gas valve as claimed in any one of claims 1 to 5, characterized in that the valve member (2) is connected to a return spring which is capable of driving the valve member to rotate to the closed position.
7. An air valve according to claim 6, characterized in that the lower surface of the valve core (2) is provided with a connecting column (26) positioned at the right side of the rotation axis of the valve core (2), the bottom surface of the accommodating groove (107) is provided with a positioning hole (109) positioned below the connecting column (26), the reset elastic member is a pressure spring (31), the upper end of the pressure spring (31) is sleeved on the connecting column (26), and the lower end of the pressure spring (31) is inserted into the positioning hole (109).
8. An air valve according to claim 6, characterized in that the valve seat (1) is hinged at the right side of the valve core (2), the return elastic element is an elastic tension element (32) connecting the left side of the valve core (2) with the valve seat (1), and the sealing structure is arranged at the middle part of the valve core (2).
9. An air valve according to claim 8, characterized in that a first hook (29) is arranged at the left edge of the valve core (2), a second hook (108) is arranged on the valve seat (1), and the elastic tension member (32) is an elastic rope, a rubber band or a tension spring connected between the first hook (29) and the second hook (108).
10. An air valve according to claim 8, characterized in that the left side of the valve core (2) is provided with a hand-holding part (20) for opening the valve core (2) by a human hand.
11. An air valve according to claim 2, characterized in that the upper port of the exhaust passage (101) is provided with a conical surface (103) which gradually expands from bottom to top, and the sealing structure comprises a sealing ring (4) which is arranged on the valve core (2) and can be pressed on the conical surface (103).
12. An air valve according to claim 11, characterized in that a mounting table (21) is arranged on the lower surface of the valve core (2), a sealing groove (22) surrounding the mounting table (21) for one circle is arranged on the outer side wall of the mounting table (21), the sealing ring (4) is sleeved in the sealing groove (22), and the outer side part of the sealing ring (4) protrudes out of the outer side wall of the mounting table (21).
13. A gas valve as claimed in claim 1 or 2, characterized in that locking means are provided between the valve member (2) and the valve seat (1) for locking the valve member (2) to the valve seat (1) when the valve member (2) is in the closed position.
14. An air valve according to claim 13, characterized in that the valve core (2) is hinged to the valve seat (1), the upper ports of the sealing structure and the exhaust channel (101) are located on the left side of the rotation axis of the valve core (2), a limit table (106) located on the right side of the rotation axis of the valve core (2) is arranged on the valve seat (1), the locking device comprises a movable locking cover part (5) movably arranged on the valve core (2), the movable locking cover part (5) is driven by external force and locks the valve core (2) when moving to a position abutting against the limit table (106), and the movable locking cover part (5) unlocks the valve core (2) when being separated from the limit table (106).
15. A gas valve according to claim 14, characterized in that the movable closing member (5) is mounted to the cartridge (2) so as to be movable to the left and right, and that the cartridge (2) is provided with a guide structure capable of guiding the movable closing member (5).
16. An air valve according to claim 15, characterized in that locking means are provided between the valve core (2) and the movable latch cover (5) to restrict the movable latch cover (5) from moving to the left when the valve core (2) is in the locked state.
17. An air valve according to claim 16, characterized in that the movable locking cover member (5) is a plate member, the locking device comprises a first locking block (27) arranged on the upper surface of the valve core (2) and a second locking block (51) arranged on the lower surface of the movable locking cover member (5), the left side and the right side of the first locking block (27) are both slopes, the left side and the right side of the second locking block (51) are both slopes, and in the process that the movable locking cover member (5) moves rightwards to switch the valve core (2) to the locking state, the second locking block (51) passes over the first locking block (27) and is buckled on the slope on the right side of the first locking block (27).
18. An air valve according to claim 15, characterized in that the guiding structure comprises a long hole (28) arranged on the valve core (2), a buckle (52) passing through the long hole (28) is arranged on the movable locking cover part (5), and the lower end of the buckle (52) is provided with a buckling position (53) capable of limiting the buckle (52) to be upwards out of the long hole (28).
19. An air valve according to claim 1 or 2, characterized in that a sealing groove (22) arranged around the upper port of the exhaust channel (101) is arranged on the valve seat (1), the sealing structure comprises a sealing ring (4) arranged in the sealing groove (22), and the top of the sealing ring (4) protrudes out of the upper edge of the sealing groove (22) so that the valve core (2) can press the sealing ring (4).
20. An air valve according to claim 1 or 2, characterized in that an annular air tap (111) protruding upwards is arranged at the upper port of the exhaust channel (101), the sealing structure comprises a sealing sheet (7) arranged on the lower surface of the valve core (2), and the sealing sheet (7) is pressed on the upper end surface of the annular air tap (111) when the valve core (2) is in a closed state.
21. An air valve according to claim 1 or 2, characterized in that an annular air tap (111) protruding upwards is arranged at the upper port of the exhaust passage (101), the sealing structure comprises a sealing ring (4), the lower surface of the sealing ring (4) is provided with an annular groove (41) matched with the annular air tap (111), the annular air tap (111) is clamped in the annular groove (41) and is in interference fit with the sealing ring (4), and the valve core (2) is pressed on the upper surface of the sealing ring (4) in the closed state.
22. An air valve according to claim 1 or 2, characterized in that a sealing groove (22) arranged around the upper port of the exhaust channel (101) is arranged on the valve seat (1), the sealing structure comprises a sealing ring (4) arranged in the sealing groove (22), the valve core (2) is plate-shaped, and an annular jacking platform (8) capable of pressing the upper surface of the sealing ring (4) is arranged on the lower surface of the valve core (2).
23. An air valve according to claim 1, characterized in that the valve core (2) is rotatably connected with the valve seat (1) through a soft connecting edge (9).
24. An air valve according to claim 1, characterized in that the lower surface of the valve seat (1) is provided with a supporting frame (102), the supporting frame (102) comprising a plurality of ribs, each rib being radially distributed about the axis of the exhaust passage (101).
25. An air valve according to claim 1, characterized in that the angle at which the valve core (2) is turned open is less than 90 degrees.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210939381.4A CN115285522A (en) | 2022-08-05 | 2022-08-05 | Air valve |
| PCT/CN2023/089818 WO2024027215A1 (en) | 2022-08-05 | 2023-04-21 | Air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210939381.4A CN115285522A (en) | 2022-08-05 | 2022-08-05 | Air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115285522A true CN115285522A (en) | 2022-11-04 |
Family
ID=83827831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210939381.4A Pending CN115285522A (en) | 2022-08-05 | 2022-08-05 | Air valve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115285522A (en) |
| WO (1) | WO2024027215A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024027215A1 (en) * | 2022-08-05 | 2024-02-08 | 广东太力科技集团股份有限公司 | Air valve |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4555041A (en) * | 1984-07-20 | 1985-11-26 | Muehl Herman D | Tank valve apparatus |
| CN2218862Y (en) * | 1995-04-18 | 1996-01-31 | 岑纪联 | Automatic pressure regulating valve |
| JP2002235536A (en) * | 2001-02-07 | 2002-08-23 | Calsonic Kansei Corp | Valve structure of engine exhaust system |
| US20060150620A1 (en) * | 2005-01-12 | 2006-07-13 | Calsonic Kansei Corporation | Exhaust gas control valve |
| TWM310868U (en) * | 2006-09-27 | 2007-05-01 | Shu-Ling Chen | Air exhaust valve of vacuum packing bag |
| CN103047453A (en) * | 2012-12-14 | 2013-04-17 | 慈溪市美德工贸有限公司 | Air valve |
| CN106239042A (en) * | 2016-07-29 | 2016-12-21 | 新昌县长城空调部件有限公司 | Gas-fired kitchen gas control valve manufacturing process |
| CN108953690A (en) * | 2018-06-13 | 2018-12-07 | 江苏圣泰阀门有限公司 | Nuclear power check-valves |
| JP2019078353A (en) * | 2017-10-26 | 2019-05-23 | 中国電力株式会社 | safety valve |
| CN210618948U (en) * | 2019-01-07 | 2020-05-26 | 温州德泰塑业有限公司 | One-way exhaust valve port bag |
| CN213064797U (en) * | 2020-07-22 | 2021-04-27 | 深圳市派乐仕实业有限公司 | Exhaust valve and airtight bag |
| CN214063905U (en) * | 2020-12-30 | 2021-08-27 | 劲源科技发展有限公司 | Prevent mistake and open pneumatic valve |
| CN216045655U (en) * | 2021-11-09 | 2022-03-15 | 杭州和辰能源科技有限公司 | Vertical spring weight formula water seal discharge valve |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4776501A (en) * | 1987-08-31 | 1988-10-11 | Seaquist Closures | Self-closing, press-to-open, dispensing closure |
| US8074685B2 (en) * | 2008-04-14 | 2011-12-13 | Illinois Tool Works, Inc. | One-way valve with flapper for vacuum bag |
| CN102180311B (en) * | 2011-05-18 | 2013-03-20 | 珠海宜心家居有限公司 | Air valve for vacuum container |
| WO2018070948A1 (en) * | 2016-10-10 | 2018-04-19 | Esat Angay | A valve and a vacuum storage bag equipped said valve |
| CN110626635A (en) * | 2019-09-12 | 2019-12-31 | 中山市太力家庭用品制造有限公司 | Valve device for compressed bag |
| CN115285522A (en) * | 2022-08-05 | 2022-11-04 | 广东太力科技集团股份有限公司 | Air valve |
| CN218559728U (en) * | 2022-08-05 | 2023-03-03 | 广东太力科技集团股份有限公司 | Air valve capable of being opened and closed rotatably |
| CN218559727U (en) * | 2022-08-05 | 2023-03-03 | 广东太力科技集团股份有限公司 | Air valve for vacuum bag |
| CN218559726U (en) * | 2022-08-05 | 2023-03-03 | 广东太力科技集团股份有限公司 | Vacuum bag air valve |
-
2022
- 2022-08-05 CN CN202210939381.4A patent/CN115285522A/en active Pending
-
2023
- 2023-04-21 WO PCT/CN2023/089818 patent/WO2024027215A1/en unknown
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4555041A (en) * | 1984-07-20 | 1985-11-26 | Muehl Herman D | Tank valve apparatus |
| CN2218862Y (en) * | 1995-04-18 | 1996-01-31 | 岑纪联 | Automatic pressure regulating valve |
| JP2002235536A (en) * | 2001-02-07 | 2002-08-23 | Calsonic Kansei Corp | Valve structure of engine exhaust system |
| US20060150620A1 (en) * | 2005-01-12 | 2006-07-13 | Calsonic Kansei Corporation | Exhaust gas control valve |
| TWM310868U (en) * | 2006-09-27 | 2007-05-01 | Shu-Ling Chen | Air exhaust valve of vacuum packing bag |
| CN103047453A (en) * | 2012-12-14 | 2013-04-17 | 慈溪市美德工贸有限公司 | Air valve |
| CN106239042A (en) * | 2016-07-29 | 2016-12-21 | 新昌县长城空调部件有限公司 | Gas-fired kitchen gas control valve manufacturing process |
| JP2019078353A (en) * | 2017-10-26 | 2019-05-23 | 中国電力株式会社 | safety valve |
| CN108953690A (en) * | 2018-06-13 | 2018-12-07 | 江苏圣泰阀门有限公司 | Nuclear power check-valves |
| CN210618948U (en) * | 2019-01-07 | 2020-05-26 | 温州德泰塑业有限公司 | One-way exhaust valve port bag |
| CN213064797U (en) * | 2020-07-22 | 2021-04-27 | 深圳市派乐仕实业有限公司 | Exhaust valve and airtight bag |
| CN214063905U (en) * | 2020-12-30 | 2021-08-27 | 劲源科技发展有限公司 | Prevent mistake and open pneumatic valve |
| CN216045655U (en) * | 2021-11-09 | 2022-03-15 | 杭州和辰能源科技有限公司 | Vertical spring weight formula water seal discharge valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024027215A1 (en) * | 2022-08-05 | 2024-02-08 | 广东太力科技集团股份有限公司 | Air valve |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024027215A1 (en) | 2024-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3933420B2 (en) | Storage bag exhaust valve | |
| JP4859838B2 (en) | Deaeration valve for compression bag and compression bag with deaeration valve | |
| US6508264B2 (en) | Valve for inflatable objects | |
| US7571748B2 (en) | Vacuum container | |
| CN115285522A (en) | Air valve | |
| CN218559728U (en) | Air valve capable of being opened and closed rotatably | |
| KR100662282B1 (en) | covers structure of a vacuum cleaner | |
| CN218559726U (en) | Vacuum bag air valve | |
| KR100740345B1 (en) | A check valve for compression pack | |
| JP5501778B2 (en) | Waterproof equipment | |
| JP4635859B2 (en) | Compression bag exhaust valve | |
| CN218559723U (en) | Vacuum bag air valve assembly | |
| CN218559727U (en) | Air valve for vacuum bag | |
| KR200392793Y1 (en) | A vacuum preservation vessel cover for food with open-and-shut device for a vacuum release lever | |
| JP2004244108A (en) | Degassing structure of compressing bag | |
| CN211944465U (en) | Container lid and container | |
| CN220365988U (en) | Compact flip air valve | |
| CN216495139U (en) | Water tank and cleaning device | |
| CN220843650U (en) | Flip type air valve | |
| CN220369949U (en) | Cleaning system | |
| CN115285521A (en) | Air valve assembly | |
| CN219699853U (en) | Sewage tank for base station of sweeper | |
| CN216888068U (en) | Container lid and container | |
| CN216602388U (en) | Cup cover and cup | |
| CN216916945U (en) | Container lid and container |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |