WO2020119137A1 - 一种用于真空压缩袋的气嘴结构 - Google Patents

一种用于真空压缩袋的气嘴结构 Download PDF

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Publication number
WO2020119137A1
WO2020119137A1 PCT/CN2019/098430 CN2019098430W WO2020119137A1 WO 2020119137 A1 WO2020119137 A1 WO 2020119137A1 CN 2019098430 W CN2019098430 W CN 2019098430W WO 2020119137 A1 WO2020119137 A1 WO 2020119137A1
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air
cavity
air plug
vacuum compression
air inlet
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PCT/CN2019/098430
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English (en)
French (fr)
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石正兵
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中山市太力家庭用品制造有限公司
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Publication of WO2020119137A1 publication Critical patent/WO2020119137A1/zh

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    • 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/01—Ventilation or drainage of bags

Definitions

  • the invention relates to an air nozzle structure for vacuum compression bags.
  • the conventional vacuum compression bag is generally provided with an air nozzle for pumping or exhausting.
  • the air nozzle structure generally includes an air nozzle body and an air plug which is arranged in the body of the air nozzle and can move up and down along it.
  • the air pressure difference is used to make the air plug block the air inlet of the air nozzle to maintain the vacuum degree of the bag, but because the air nozzle of this structure does not have a special cover structure, the air plug is easy to move when the bag moves Displacement occurs to cause air leakage, so it is difficult for this type of air nozzle to ensure the tightness of the vacuum compression bag.
  • the technical problem to be solved by the present invention is to provide an air nozzle structure for a vacuum compression bag which can ensure the tightness of the bag body.
  • An air nozzle structure for a vacuum compression bag includes a seat body, an air plug cavity is provided in the seat body, a cavity air inlet is provided at the bottom of the air plug cavity, and a bottom is provided at the bottom of the seat body
  • the air plug cavity is provided with a cavity wall along its circumferential direction
  • a top of the seat body is provided with a cover body which can move up and down along the cavity wall for pressing or releasing the air plug, and the top of the cover body is provided with
  • a connection structure is provided between the side of the cover and the cavity wall for fixing the upper limit and the lower limit of the cover, the cover is provided with
  • the pressing member of the plug is used to press the gas plug, and the diameter of the pressing member is smaller than the diameter of the air inlet of the cavity.
  • the present invention adopts the above structure.
  • the cover is raised upward to release the air plug.
  • the bag can be pressed to exhaust, and at this time, under the action of the connection structure, the cover It is fixed to the upper part of the air plug cavity.
  • the air plug moves upward along the air plug cavity under the action of the air flow to open the air inlet of the cavity, and the gas in the bag passes through the air intake channel and the cavity air inlet in turn
  • the air plug cavity and the exhaust port are discharged from the outside world.
  • the lid is pressed down so that the top pressure member moves down the air plug cavity and compresses the air plug, so that the air inlet of the cavity is shut off.
  • the cover is fixed to the lower part of the air plug cavity and the air plug is firmly pressed.
  • the air plug is tightly in contact with the air inlet of the cavity and hermetically seals it, thereby ensuring the bag No air leakage occurs in the body, thereby ensuring the sealing of the vacuum compression bag.
  • the diameter of the top pressure member is smaller than the diameter of the air inlet of the cavity, when the cover body is fixed to the lower portion of the air plug cavity under the action of the connecting structure, the top pressure member can press the air plug into the cavity while pressing the cover In the mouth, coupled with the elastic deformation of the air plug, the air plug can tightly seal the air inlet of the cavity to ensure the tightness of the bag.
  • connection structure includes bayonet portions and limit protrusions that are mutually clamped and matched to fix the upper limit position and the lower limit position of the cover body, and are mutually clamped and matched
  • the bayonet and the limiting protrusion are provided on the side wall of the cover, and the bayonet includes the side walls of the cavity wall, respectively.
  • connection structure can be a screw connection structure or a clamshell connection in addition to the above-mentioned bayonet and limit protrusions that are snap-fitted with each other
  • the structure or the guide rail chute connection structure regardless of the connection structure used, can achieve upper and lower limit fixing of the cover to release or compress the air plug.
  • an air nozzle structure for a vacuum compression bag the air plug includes an air plug body and a guide post provided on the back of the air plug body, and the seat body is provided with the guide post up and down
  • the moving guide hole when the bag body is exhausted, under the guidance of the guide hole and the guide column, the air plug can smoothly move in the air plug cavity, reducing the resistance of the exhaust.
  • the bottom of the air plug cavity is provided with a sealing convex ring matching the back of the air plug body to further increase the sealing performance.
  • the top pressing member has a ring structure and is provided with a gap thereon to prevent the lid body from being sucked after pressing the air plug.
  • an air nozzle structure for a vacuum compression bag the bottom of the seat body is provided with spaced-apart convex strips to prevent the inner wall of the bag body or items contained in the bag body from entering the air intake passage when the bag body is exhausted Blocked, an air grille communicating with the air intake passage is formed between the intervals of the convex strips.
  • FIG. 1 is one of the cross-sectional structural schematic diagrams of the present invention (refer to the state when the lid body presses the air plug);
  • FIG. 2 is a second schematic sectional view of the present invention (reference diagram of the state when the cover releases the air plug and exhausts);
  • Figure 3 is an enlarged schematic view of part I in Figure 1;
  • Figure 4 is an enlarged schematic view of the J part in Figure 2;
  • FIG. 6 is a schematic diagram of the diameter of the air inlet of the cavity and the pressing member of the present invention.
  • FIG. 7 is a schematic view of the structure of the present invention provided with a pressing member on the cover;
  • FIG. 8 is a schematic structural view of the present invention when a sliding groove is provided on the cavity wall.
  • An air nozzle structure for a vacuum compression bag includes a seat body 1, an air plug cavity 11 is provided in the seat body 1, a cavity air inlet 12 is provided at the bottom of the air plug cavity 11, and the seat body
  • the bottom of 1 is provided with an air inlet channel 16 communicating with the air inlet 12 of the cavity
  • the air plug cavity 11 is provided with a movable up and down along it and cooperates with the air inlet 12 of the cavity for opening and closing
  • the air plug 2 of the air inlet 12 of the cavity, the air plug cavity 11 is provided with a cavity wall 10 along the circumferential direction thereof, and the top of the seat body 1 is provided with a movable up and down along the cavity wall 10 for compression or
  • the cover 3 that releases the air plug 2 is provided with an exhaust port 31 on the top of the cover 3, and a connection structure 4 is provided between the side of the cover 3 and the cavity wall 10 for The cover body 3 is fixed at an upper limit position and a lower limit position.
  • the bottom of the seat body 1 is provided with spaced convex strips 15, and the space between the convex strips 15 is formed
  • the air intake 16 communicates with the air passage 16.
  • the air plug 2 includes an air plug body 21 and a circular column-shaped or conical guide post 22 provided on the back of the air plug body 21.
  • the seat body 1 is provided with a guide hole 13 for the vertical movement of the guide post 22, when the air plug 2 is sealed
  • the air plug body 21 and the cavity air inlet 12 tightly contact and cooperate to hermetically seal it, thereby ensuring that no air leakage occurs in the bag body.
  • the bottom of the air plug cavity 11 is provided with a sealing convex ring 14 matching the back of the air plug body 21.
  • the pressing member 32 may have a ring structure, as shown in FIG. 7 as a solid cylindrical structure.
  • a notch 321 is provided on the pressing member 32 to prevent the cover The body 3 is sucked after pressing the air plug 2.
  • the connection structure 4 includes a bayonet 41 and a limit protrusion 42 that are clamped and matched with each other to fix the upper limit and the lower limit of the cover 3.
  • the bayonet 41 and the limit protrusion 42 are mutually clamped and matched
  • the bayonet 41 is provided on the side wall of the cover 3
  • the bayonet 41 includes upper and lower upper clips respectively on the side wall of the cavity wall 10
  • the mouth 411 and the lower bayonet 412 and in the second type (not shown in the figure), the bayonet 41 is provided on the side wall of the cover 3, and the limiting protrusion 42 includes Upper and lower limit protrusions and lower limit protrusions.
  • the top pressure piece 32 is pressing the air plug 2 at the same time, its edge should be flush with the edge of the cavity air inlet 12 to ensure that the top pressure piece 32 just presses the air plug 2 against the cavity air inlet 12
  • the airtightness is ensured on the edge, but because there is a certain gap when the bayonet 41 and the limiting protrusion 42 are fitted, it is difficult to ensure that the pressing member 32 presses the air plug 2 against the cavity in actual use.
  • the phenomenon of pressure deviation is easy to occur, and it is found through testing that this phenomenon of pressure deviation can easily lead to the occurrence of air leakage. If c>1 (that is, b>a), when the cover 3 is fixed to the lower part of the air plug cavity 11 under the action of the connecting structure 4, the pressing member 32 directly presses the air plug 2 to the air plug cavity 11 The bottom of the air plug 2 has a certain elasticity (the air plug 2 is generally made of rubber material). At this time, the air plug 2 generates a reaction force against the pressing member 32.
  • the pressing member 32 is difficult to When the air plug 2 is compressed, the phenomenon of air leakage is also likely to occur, and when b>a, the overall size of the air nozzle structure is difficult to achieve, and it also affects the smoothness of the exhaust.
  • c ⁇ 1 that is, b ⁇ a
  • the pressing member 32 can press the air plug 2 while pressing it With the elastic deformation of the air plug 2 in the air inlet 12 of the cavity, the air plug 2 can tightly seal the air inlet 12 of the cavity to ensure the tightness of the bag body.
  • the value of c is between 0.1 and 0.9, a better sealing effect can be achieved.
  • connection structure 4 can also be a threaded connection structure (not shown in the figure) or a flip-buckle connection structure (not shown in the figure) or a guide rail chute connection structure.
  • the chute 43 can be provided at the position of the cavity wall 10 as shown in FIG. 8, and the corresponding guide rail is provided on the side wall of the cover 3 (not shown in the figure).
  • the present invention can be applied to vacuum compression bags of various structures.
  • the cover 3 is raised upward to release the air plug 2, and then it can be pressed
  • the bag body makes it exhaust, and at this time, under the action of the connection structure 4 (taking the first embodiment of the bayonet 41 and the limiting protrusion 42 that are snap-fitted to each other as an example), as shown in FIGS. 2 and 2
  • the connection structure 4 taking the first embodiment of the bayonet 41 and the limiting protrusion 42 that are snap-fitted to each other as an example
  • the connection structure 4 taking the first embodiment of the bayonet 41 and the limiting protrusion 42 that are snap-fitted to each other as an example
  • the limiting protrusion 42 on the side wall of the cover 3 is caught in the air

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vacuum Packaging (AREA)
  • Packages (AREA)

Abstract

一种用于真空压缩袋的气嘴结构，包括座体（1），座体（1）内设有气塞腔（11），气塞腔（11）的底部设有腔进气口（12），座体（1）的底部设有与腔进气口（12）相连通的进气通道（16），气塞腔（11）内设有可沿其上下运动且与腔进气口（12）配合以用于开闭腔进气口（12）的气塞（2），气塞腔（11）沿其周向设有腔壁（10），座体（1）的顶部设有可沿腔壁（10）上下运动以用于压紧或释放气塞（2）的盖体（3），盖体（3）的顶部设有排气口（31），盖体（3）的侧部与腔壁（10）之间设有连接结构（4）以用于对盖体（3）进行上限位固定和下限位固定，盖体（3）上设有朝向气塞（2）的顶压件（32）以用于顶压气塞（2），顶压件（32）的直径小于腔进气口（12）的直径，气塞可紧密地将腔进气口进行气密封，从而保证袋体的密封性。

Description

一种用于真空压缩袋的气嘴结构 【技术领域】
本发明涉及一种用于真空压缩袋的气嘴结构。
【背景技术】
传统的真空压缩袋一般设置有气嘴以用于抽气或排气，其气嘴结构一般包括气嘴本体和设置于气嘴本体内并可沿其上下运动的气塞，其在完成排气后完全利用气压差使得气塞将气嘴的腔进气口堵住以维持袋体的真空度，但是因为该种结构的气嘴没有专门的盖合结构，气塞很容易在袋体移动时发生移位从而导致漏气，因此该种气嘴难以保证真空压缩袋的密封性。
【发明内容】
本发明要解决的技术问题是提供可保证袋体密封性的一种用于真空压缩袋的气嘴结构。
本发明的目的是这样实现的：
一种用于真空压缩袋的气嘴结构，包括座体，所述座体内设有气塞腔，所述气塞腔的底部设有腔进气口，所述座体的底部设有与所述腔进气口相连通的进气通道，所述气塞腔内设有可沿其上下运动且与所述腔进气口配合以用于开闭所述腔进气口的气塞，所述气塞腔沿其周向设有腔壁，所述座体的顶部设有可沿所述腔壁上下运动以用于压紧或释放所述气塞的盖体，所述盖体的顶部设有排气口，所述盖体的侧部与所述腔壁之间设有连接结构以用于对所述盖体进行上限位固定和下限位固定，所述盖体上设有朝向所述气塞的顶压件以用于顶压所述气塞，所述顶压件的直径小于所述腔进气口的直径。
本发明采用上述结构，当需要排气的时候，将盖体往上提高使其释放气塞，此时即可按压袋体使其进行排气，而此时在连接结构的作用下，盖体固定于气塞腔的上部，在排气过程中，气塞在气流的作用下沿气塞腔往上运动从而打开腔进气口，而袋体内的气体依次通过进气通道、腔进气口、气塞腔和排气口排出外界，当完成排气后，将盖体往下压，使得顶压件沿气塞腔往下运动并压紧气塞从而使得腔进气口被关断，此时在连接结构的作用下，盖体固定于气塞腔的下部并牢靠地将气塞压紧，此时气塞紧密地与腔进气口相接触并将其进行气密封，从而保证袋体不发生漏气，进而保证了真空压缩袋的密封性。由于顶压 件的直径小于腔进气口的直径，则当盖体在连接结构的作用下固定于气塞腔的下部时，顶压件在顶压气塞的同时可将其顶入腔进气口内，再加上气塞的弹性形变作用，气塞可紧密地将腔进气口进行气密封，从而保证袋体的密封性。
如上所述的一种用于真空压缩袋的气嘴结构，所述腔进气口的直径为a，且满足10mm≤a≤40mm，所述顶压件的直径为b，满足b/a＝c且0.1≤c≤0.9，c的数值在0.1至0.9之间可以达到比较好的封气效果。
如上所述的一种用于真空压缩袋的气嘴结构，所述连接结构包括相互卡接匹配的卡口和限位凸起以对盖体进行上限位固定和下限位固定，相互卡接匹配的卡口和限位凸起有多种实施方式，在第一种中，所述限位凸起设于所述盖体的侧壁上，所述卡口包括分别所述腔壁侧壁的上部和下部的上卡口和下卡口，而在第二种中，所述卡口设于所述盖体的侧壁上，所述限位凸起包括分别设于所述腔壁侧壁的上部和下部的上限位凸起和下限位凸起。
如上所述的一种用于真空压缩袋的气嘴结构，所述连接结构除了可以为上述相互卡接匹配的卡口和限位凸起之外，还可以为螺纹连接结构或翻盖扣合连接结构或导轨滑槽连接结构，不论采用何种连接结构，其均能实现对盖体进行上限位固定和下限位固定从而释放或压紧气塞。
如上所述的一种用于真空压缩袋的气嘴结构，所述气塞包括气塞本体和设于所述气塞本体背部的导向柱，所述座体上设有供所述导向柱上下运动的导向孔，当袋体进行排气时，通过导向孔和导向柱的导向作用下，气塞能够在气塞腔内顺畅的运动，减少了排气的阻力。
如上所述的一种用于真空压缩袋的气嘴结构，所述气塞腔的底部设有与所述气塞本体背部相匹配的密封凸环以进一步增加密封性。
如上所述的一种用于真空压缩袋的气嘴结构，所述顶压件呈环状结构且其上设有缺口以防止当盖体压紧气塞后被吸住。
如上所述的一种用于真空压缩袋的气嘴结构，所述座体的底部设有间隔设置的凸条以避免袋体排气时袋体的内壁或袋体内盛装的物品将进气通道堵住，所述凸条的间隔之间形成有与所述进气通道相通的进气格栅。
【附图说明】
下面结合附图对本发明的具体实施方式作进一步详细说明，其中：
图1为本发明的剖视结构示意图之一(盖体将气塞压紧时的状态参考图)；
图2为本发明的剖视结构示意图之二(盖体将气塞释放并进行排气时的状态参考图)；
图3为图1中I部放大示意图；
图4为图2中J部放大示意图；
图5为本发明所述缺口的结构示意图；
图6为本发明所述腔进气口和所述顶压件的直径示意图；
图7为本发明所述盖体上设有顶压件的结构示意图；
图8为本发明当所述腔壁上设有滑槽时的结构示意图。
【具体实施方式】
一种用于真空压缩袋的气嘴结构，包括座体1，所述座体1内设有气塞腔11，所述气塞腔11的底部设有腔进气口12，所述座体1的底部设有与所述腔进气口12相连通的进气通道16，所述气塞腔11内设有可沿其上下运动且与所述腔进气口12配合以用于开闭所述腔进气口12的气塞2，所述气塞腔11沿其周向设有腔壁10，所述座体1的顶部设有可沿所述腔壁10上下运动以用于压紧或释放所述气塞2的盖体3，所述盖体3的顶部设有排气口31，所述盖体3的侧部与所述腔壁10之间设有连接结构4以用于对所述盖体3进行上限位固定和下限位固定，所述盖体3上设有朝向所述气塞2的顶压件32以用于顶压所述气塞2，所述顶压件32的直径小于所述腔进气口12的直径，优选的，腔进气口12的直径为a，且满足10mm≤a≤40mm，顶压件32的直径为b，满足b/a＝c且0.1≤c≤0.9。
为防止袋体排气时袋体的内壁或袋体内盛装的物品将进气通道16堵住，座体1的底部设有间隔设置的凸条15，凸条15的间隔之间形成有与进气通道16相通的进气格栅17。
气塞2包括气塞本体21和设于气塞本体21背部且呈圆台状或圆锥状的导向柱22，座体1上设有供导向柱22上下运动的导向孔13，当气塞2密封腔进气口12时，气塞本体21与腔进气口12紧密地接触配合从而对其进行气密封，进而保证袋体不发生漏气。
为进一步增加密封性，气塞腔11的底部设有与气塞本体21背部相匹配的密封凸环14。
为了用于顶压气塞2，顶压件32可以呈环状结构，也如图7所示呈实心柱状结构，当顶压件32呈环状结构时，其上设有缺口321以防止当盖体3压紧气塞2后被吸住。
连接结构4包括相互卡接匹配的卡口41和限位凸起42以对盖体3进行上限位固定和下限位固定，相互卡接匹配的卡口41和限位凸起42有多种实施例，例如在第一种中，如图3和图4所示，限位凸起42设于盖体3的侧壁上，卡口41包括分别腔壁10侧壁的上部和下部的上卡口411和下卡口412，而在第二种中(图中未示出)，卡口41设于盖体3的侧壁上，限位凸起42包括分别设于腔壁10侧壁的上部和下部的上限位凸起和下限位凸起。
当连接结构4采用相互卡接匹配的卡口41和限位凸起42时，若c＝1(即a＝b)，则当盖体3在连接结构4的作用下固定于气塞腔11的下部时，顶压件32在顶压气塞2的同时，其边缘理应与腔进气口12的边缘相平齐以保证顶压件32恰好将气塞2顶压在腔进气口12的边缘上而保证其气密性，但是由于卡口41和限位凸起42在配合时存在着一定的间隙，所以在实际使用时难以保证顶压件32恰好将气塞2顶压在腔进气口12的边缘上，而是容易出现压偏的现象，通过测试发现，产生这种压偏现象后很容易导致漏气现象的出现。而若c＞1(即b＞a)，则当盖体3在连接结构4的作用下固定于气塞腔11的下部时，顶压件32直接将气塞2顶压至气塞腔11的底部，而由于气塞2存在一定的弹性(气塞2一般采用橡胶材料制成)，此时气塞2对顶压件32产生反作用力，由于配合间隙的存在，顶压件32难以将气塞2压紧，也容易产生漏气的现象，而且当b＞a时，其气嘴结构的整体尺寸难以实现，同时其也会影响排气的顺畅性。而若c＜1(即b＜a)，则当盖体3在连接结构4的作用下固定于气塞腔11的下部时，顶压件32在顶压气塞2的同时可将其顶入腔进气口12内，在加上气塞2的弹性形变作用，气塞2可紧密地将腔进气口12进行气密封，从而保证袋体的密封性。当c的数值在0.1至0.9之间可以达到比较好的封气效果。
当然，连接结构4还可以为螺纹连接结构(图中未示出)或翻盖扣合连接结构(图中未示出)或导轨滑槽连接结构，当采用导轨滑槽连接结构时，其滑槽43 可设于腔壁10如图8所示的位置处，而相应的导轨设于盖体3的侧壁上(图中未示出)。
值得注意的是，本发明可应用于各种结构的真空压缩袋，而在本发明使用时，在需要排气时，将盖体3往上提高使其释放气塞2，此时即可按压袋体使其进行排气，而此时在连接结构4(以相互卡接匹配的卡口41和限位凸起42的第一种实施例为例说明)的作用下，如图2和图4所示，盖体3侧壁上的限位凸起42卡接于气塞腔11侧壁上部的上卡口411内，从而使得盖体3固定于气塞腔11的上部并完全脱离和释放气塞2，在按压袋体的排气过程中，在气流的作用下，导向柱22沿导向孔13往上运动，从而使得气塞2相对气塞腔11往上运动而打开腔进气口12，此时袋体内的气体依次通过进气格栅17、进气通道16、腔进气口12、气塞腔11和排气口31排出外界，当完成排气后，将盖体3往下压，使得气塞2在顶压件32的顶压作用下沿气塞腔11往下运动而导向柱22沿导向孔13往下运动，此时在密封凸环14与气塞本体21的气密封作用下而使得排气口31被关断，同时在连接结构4的作用下，如图1和如图3所示，盖体3侧壁上的限位凸起42卡接于气塞腔11侧壁下部的下卡口412内，从而使得盖体3固定于气塞腔11的下部并牢靠地将气塞3压紧，从而保证袋体不发生漏气，进而保证了真空压缩袋的密封性。

Claims (10)

  1. 一种用于真空压缩袋的气嘴结构，其特征在于包括座体(1)，所述座体(1)内设有气塞腔(11)，所述气塞腔(11)的底部设有腔进气口(12)，所述座体(1)的底部设有与所述腔进气口(12)相连通的进气通道(16)，所述气塞腔(11)内设有可沿其上下运动且与所述腔进气口(12)配合以用于开闭所述腔进气口(12)的气塞(2)，所述气塞腔(11)沿其周向设有腔壁(10)，所述座体(1)的顶部设有可沿所述腔壁(10)上下运动以用于压紧或释放所述气塞(2)的盖体(3)，所述盖体(3)的顶部设有排气口(31)，所述盖体(3)的侧部与所述腔壁(10)之间设有连接结构(4)以用于对所述盖体(3)进行上限位固定和下限位固定，所述盖体(3)上设有朝向所述气塞(2)的顶压件(32)以用于顶压所述气塞(2)，所述顶压件(32)的直径小于所述腔进气口(12)的直径。
  2. 根据权利要求1所述的一种用于真空压缩袋的气嘴结构，其特征在于所述腔进气口(12)的直径为a，且满足10mm≤a≤40mm，所述顶压件(32)的直径为b，满足b/a＝c且0.1≤c≤0.9。
  3. 根据权利要求1所述的一种用于真空压缩袋的气嘴结构，其特征在于所述连接结构(4)包括相互卡接匹配的卡口(41)和限位凸起(42)。
  4. 根据权利要求3所述的一种用于真空压缩袋的气嘴结构，其特征在于所述限位凸起(42)设于所述盖体(3)的侧壁上，所述卡口(41)包括分别所述腔壁(10)侧壁的上部和下部的上卡口(411)和下卡口(412)。
  5. 根据权利要求3所述的一种用于真空压缩袋的气嘴结构，其特征在于所述卡口(41)设于所述盖体(3)的侧壁上，所述限位凸起(42)包括分别设于所述腔壁(10)侧壁的上部和下部的上限位凸起和下限位凸起。
  6. 根据权利要求1或2所述的一种用于真空压缩袋的气嘴结构，其特征在于所述连接结构(4)为螺纹连接结构或翻盖扣合连接结构或导轨滑槽连接结构。
  7. 根据权利要求1至5任一项所述的一种用于真空压缩袋的气嘴结构，其特征在于所述气塞(2)包括气塞本体(21)和设于所述气塞本体(21)背部的导向柱(22)，所述座体(1)上设有供所述导向柱(22)上下运动的导向孔(13)。
  8. 根据权利要求1至5任一项所述的一种用于真空压缩袋的气嘴结构，其特征在于所述气塞腔(11)的底部设有与所述气塞本体(21)背部相匹配的密封凸环(14)。
  9. 根据权利要求1至5任一项所述的一种用于真空压缩袋的气嘴结构，其特征在于所述顶压件(32)呈环状结构且其上设有缺口(321)。
  10. 根据权利要求1至5任一项所述的一种用于真空压缩袋的气嘴结构，其特征在于所述座体(1)的底部设有间隔设置的凸条(15)，所述凸条(15)的间隔之间形成有与所述进气通道(16)相通的进气格栅(17)。
PCT/CN2019/098430 2018-12-11 2019-07-30 一种用于真空压缩袋的气嘴结构 WO2020119137A1 (zh)

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