WO2015000301A1 - 一种真空分配器 - Google Patents

一种真空分配器 Download PDF

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Publication number
WO2015000301A1
WO2015000301A1 PCT/CN2014/072127 CN2014072127W WO2015000301A1 WO 2015000301 A1 WO2015000301 A1 WO 2015000301A1 CN 2014072127 W CN2014072127 W CN 2014072127W WO 2015000301 A1 WO2015000301 A1 WO 2015000301A1
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WO
WIPO (PCT)
Prior art keywords
wall
outlet
vacuum
diaphragm
cooperating member
Prior art date
Application number
PCT/CN2014/072127
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English (en)
French (fr)
Inventor
成若飞
严德斌
李军良
Original Assignee
深圳市通产丽星股份有限公司
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Publication of WO2015000301A1 publication Critical patent/WO2015000301A1/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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
    • B65D83/0033—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container the piston being a follower-piston and the dispensing means comprising a hand-operated pressure-device at the opposite part of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1045—Sealing or attachment arrangements between pump and container the pump being preassembled as an independent unit before being mounted on the container

Definitions

  • the invention belongs to the field of packaging containers, and in particular to a vacuum distributor.
  • the prior art discloses a pump comprising an assembly of a diaphragm member and a cooperating member having a flexible wall of a predetermined shape and thickness.
  • the outlet valve of the diaphragm is composed of a thin wall on the flexible wall, so that a small pressure difference can break through the seal, so the contents of the bottle are prone to leakage problems, and the general solution to this problem is to add The plug adds the user's operating steps.
  • the outlet valve composed of a thin wall is often squeezed and easily damaged, thereby deteriorating the sealing performance of the packaging container, and the contents of the bottle are easily discharged, deteriorated or contaminated.
  • the technical problem to be solved by the present invention is to provide a vacuum dispenser, which aims to solve the problem that the packaging container of the prior art is easy to be vented, deteriorated or contaminated due to the fact that the outlet valve is easily broken through seal or damage.
  • a vacuum dispenser including a storage bottle, a diaphragm, a cooperating member inner plug, and a cooperating member sealing seat, the diaphragm including a flexible wall and an outlet seal connected above the flexible wall,
  • the flexible wall is a thin wall, and the outlet sealing portion is a thick wall
  • the cooperating member inner plug is provided with a supporting wall, and the supporting wall defines a through hole to form a liquid discharging hole
  • the cooperative member sealing seat is provided with a connection a ring wall having a through hole at the center of the connecting ring forming a content
  • the outlet sealing portion sealing the liquid outlet when the vacuum distributor is in a free state and a suction state; when the vacuum distribution When the device is in the pumping state, the outlet sealing portion is deformed and displaced by being pressed, and the liquid discharging hole is in an on state.
  • the cooperating member inner plug is formed with an annular groove, and the outlet sealing portion is sealingly engaged with the groove, and when the pressure in the diaphragm is greater than the external pressure, the outlet sealing portion is squeezed to extrude the content.
  • the outlet seal rebounds to enclose the inner diameter wall of the groove when the pressure in the diaphragm is less than the external pressure.
  • the outer edge of the cooperating member sealing seat radially extends away from the axial direction of the sealing ring wall, and the sealing ring wall is in sealing engagement with the upper port of the storage bottle.
  • the opening of the cooperating member sealing seat extends in the axial direction to extend the buckle position for preventing the cooperating member inner plug from slipping out.
  • the cooperating component inner plug further includes a stopping limiting portion that can cooperate with an inner wall of the cooperating component sealing seat to slide the cooperating component inner plug up and down according to a preset height.
  • the diaphragm includes an inlet valve including a valve body and a rib, the ribs are spaced apart along a circumference of the valve body, and a gap is formed between the ribs, when the inlet When the valve is in an open state, the rib is turned up to cause contents to flow from the gap into the diaphragm; when the inlet valve is in a closed state, the rib is moved downward, and the valve body seals the The entrance to the content.
  • the flexible wall of the diaphragm extends downward to form an annular inlet seal, and the inlet seal is sleeved on the circumference of the connecting ring wall.
  • the vacuum dispenser further includes a pressing head, the pressing portion is embedded in the inner plug of the cooperating component, and the pressing head is internally provided with an outlet passage and a liquid outlet communicating with each other, the liquid discharging The passage communicates with a liquid outlet of the inner plug of the cooperating member.
  • the vacuum dispenser further includes a sliding piston that is slidably disposed up and down at the bottom of the storage bottle, and forms a space from the bottom of the storage bottle that is isolated from the contents.
  • the bottom of the storage bottle is provided with an air inlet hole, and the air inlet hole communicates with a space formed by the sliding piston and the bottom of the storage bottle.
  • the present invention has the beneficial effects that the outlet sealing portion of the present invention is thick, and the outlet sealing portion can seal the liquid outlet when the vacuum distributor is in the free state and the suction state, and the outlet sealing portion structure Simple and not easy to damage, the sealing performance of the vacuum distributor can be more stable and reliable, and the contents can be effectively prevented from being discharged, deteriorated or contaminated.
  • FIG. 1 is a schematic cross-sectional view showing a free state of a vacuum dispenser according to a first embodiment of the present invention.
  • Figure 2 is a schematic cross-sectional view showing the vacuum dispenser of Figure 1 in an aspirated state.
  • Figure 3 is a cross-sectional view showing the vacuum dispenser of Figure 1 in a free state.
  • Figure 4 is a cross-sectional view showing the vacuum dispenser of Figure 1 in a pumped state.
  • Fig. 5 is a perspective, cross-sectional view showing the diaphragm of the vacuum dispenser shown in Fig. 1 in a free state.
  • Fig. 6 is a schematic perspective cross-sectional view showing the diaphragm of Fig. 5 in a depressed state.
  • Fig. 7 is a top plan view showing the diaphragm shown in Fig. 5 in a free state.
  • FIG. 8 is a schematic perspective structural view of an inlet valve according to Embodiment 2 of the present invention.
  • a vacuum dispenser includes a storage bottle 1, a diaphragm 2, a cooperating member inner plug 3, and a cooperating member sealing seat 4.
  • the diaphragm 2 includes a flexible wall 21 and an outlet seal 22 connected above the flexible wall 21, the flexible wall 21 being a thin wall and the outlet seal 22 being a thick wall.
  • the cooperating member inner plug 3 is provided with a support wall 31, and a through hole is formed in the support wall 31 to form a liquid discharge hole 32.
  • the cooperating member sealing seat 4 is provided with a connecting ring wall 41 having a through hole in the center to form an inlet 42 of the contents 5.
  • the outlet sealing portion 22 seals the liquid outlet hole 32; when the dispenser is in the pumping state, the outlet sealing portion 22 is deformed and displaced by being pressed, and the liquid outlet hole 32 is in an on state.
  • the outlet sealing portion 22 in the embodiment is thick. When the vacuum distributor is in the free state and the suction state, the outlet sealing portion 22 can seal the liquid outlet 32.
  • the outlet sealing portion 22 has a simple structure and is not easily damaged. The sealing performance of the vacuum distributor is more stable and reliable, and effectively prevents the contents 5 from being discharged, deteriorated or contaminated.
  • the cooperating member inner plug 3 is formed with an annular groove 33, and the outlet sealing portion 22 of the diaphragm 2 is sealingly engaged with the groove 33 of the cooperating member inner plug 3 to prevent the contents from leaking to the cooperation under the action of pressure.
  • the outlet sealing portion 22 cooperates with the cooperating member inner plug 3 to function as an opening and closing valve (described later).
  • the outer edge of the cooperating member sealing seat 4 radially extends away from the axial direction to seal the sealing ring wall 43 for sealing the storage bottle 1.
  • the sealing ring wall 43 is sealingly fitted with the upper port of the storage bottle 1 to seal the inside of the storage bottle 1.
  • An opening portion 44 for preventing the cooperating member inner plug 3 from slipping out is formed in the opening of the cooperating member sealing seat 4 in the axial direction.
  • the cooperating member inner plug 3 further includes a stop limiting portion 34 that can cooperate with the inner wall of the cooperating member sealing seat 4 to slide the cooperating member inner plug 3 up and down at a predetermined height.
  • the reverse buckle position 44 cooperates with the stop limit portion 34 to function as a limit, and the reverse buckle position 44 prevents the cooperative component inner plug 3 from slipping out due to the resilience of the diaphragm 2.
  • the diaphragm 2 includes an inlet valve 23, and the inlet valve 23 includes a valve body 231 and ribs 232.
  • the ribs 232 are spaced apart along the circumference of the valve body 231, and a gap 233 is formed between the ribs 232.
  • the inlet valve 23 is in the open state, the rib 232 is turned up, so that the contents 5 flow from the gap 233 into the diaphragm 2; when the inlet valve 23 is in the closed state, the rib 232 moves downward, and the valve body 231 seals the contents 5 Entrance 42.
  • the flexible wall 21 of the diaphragm 2 extends downwardly to form an annular inlet seal 24 that is sleeved over the circumference of the connecting ring wall 41.
  • the vacuum dispenser further includes a push head 6 and a sliding piston 7.
  • the head 6 is partially embedded in the cooperating member inner plug 3, and the head 6 is provided with a liquid outlet passage 61 and a liquid outlet 62 which communicate with each other, and the liquid outlet passage 61 communicates with the liquid outlet 32 of the cooperating member inner plug 3.
  • a plug hole (not shown) is formed on the support wall 31 of the cooperating member inner plug 3 above the liquid outlet hole 32, and the outer wall of the liquid discharge passage 61 is tightly fitted with the inner wall of the plug hole of the cooperating member inner plug 3 to prevent Content 5 leaked.
  • the sliding piston 7 is slidably disposed at the bottom of the storage bottle 1.
  • the sliding piston 7 and the bottom of the storage bottle 1 form a space 11 which is isolated from the contents, and can apply atmospheric pressure to the space 11, so that the sliding piston 7 pushes the contents 5 Move up.
  • the upper part of the sliding piston 7 is tightly fitted with the storage bottle 1, and the air is in contact with the content 5, and the lower part of the sliding piston 3 is tightly fitted with the storage bottle 1, which can serve as a secondary sealing and guiding action.
  • the bottom of the storage bottle 1 is provided with an air inlet hole 12, and the air inlet hole 12 communicates with the sliding piston 7 and the space 11 formed at the bottom of the storage bottle 1.
  • FIG. 1 is the free state before the vacuum dispenser is used for the first time.
  • the diaphragm 2 is squeezed and deformed internally, and the outlet sealing portion 22 is deformed.
  • the inside air is discharged from the liquid discharge hole 32 to form a vacuum state.
  • the diaphragm 2 begins to return to its original shape, its internal space gradually becomes larger, a suction force is generated, the inlet valve 23 is turned up by the suction force, and the contents 5 in the storage bottle 1 flow into the diaphragm 2 until the inside of the diaphragm 2 is filled.
  • the space (as shown in Fig.
  • the flow direction of the contents 5 is as shown by the arrow in Fig. 2), at this time, the suckback force disappears, the inlet valve 23 is affected by the gravity, and the inlet 42 is plugged, and the vacuum distribution is performed.
  • the device is in a free state when it is used normally (as shown in Figure 3). In the free state, the pressing head 6 is pressed, the diaphragm 2 is pressed and deformed in the inside, the outlet sealing portion 22 is deformed and the liquid discharging hole 32 is turned on; the contents 5 in the diaphragm 2 are discharged from the liquid discharging hole 32. (As shown in FIG. 4, the flow direction of the contents 5 is as indicated by an arrow in FIG.
  • the present invention also provides a second embodiment.
  • the present embodiment provides another inlet valve 23', which is provided with a rib 232', which is provided in comparison with the first embodiment. 'It is bent and can be extended to a higher position when it is turned up, so as to make a larger gap 233', so that the contents 5 can flow into the diaphragm 2 more quickly.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

一种真空分配器，包括储存瓶（1）、隔膜（2）、协作部件内塞（3）及协作部件密封座（4），隔膜包括柔性壁（21）及连接在柔性壁（21）上方的出口密封部（22），柔性壁（21）为薄壁，出口密封部（22）为厚壁；协作部件内塞（3）设置有支撑壁（31），支撑壁（31）上开设有一通孔形成出液孔（32）；协作部件密封座（4）上设置有连接环壁（41），连接环壁（41）中央具有通孔形成内容物的入口（42）；当真空分配器处于自由状态及吸上状态时，出口密封部（22）密封出液孔（32）；当真空分配器处于泵出状态时，出口密封部（22）因受到挤压而形变位移，出液孔（32）处于导通状态。所述出口密封部（22）为厚壁，其结构简单、不易损坏，可使真空分配器的密封性能更加稳定可靠，有效地防止内容物泄流、变质或被污染。

Description

一种真空分配器 技术领域
本发明属于包装容器领域，尤其涉及一种真空分配器。
 背景技术
现有技术公开了一种泵，该泵包括隔膜部件和协作部件的组件，该隔膜部件具有预定形状及厚度的柔性壁。该隔膜的出口阀由柔性壁上的薄壁构成，从而很小的压力差就可突破其密封，所以瓶中的内容物容易出现泄流的问题，解决这个问题的一般做法是在出口加以外塞，增加了使用者的操作步骤。此外，由薄壁构成的出口阀经常受挤压，容易损坏，从而破坏了包装容器的密封性能，令瓶中的内容物容易泄流、变质或被污染。
技术问题
本发明所要解决的技术问题在于提供一种真空分配器，旨在解决现有技术中的包装容器因其出口阀容易被突破密封或损坏而出现内容物易泄流、变质或被污染的问题。
 技术解决方案
本发明是这样实现的，一种真空分配器，包括储存瓶、隔膜、协作部件内塞及协作部件密封座，所述隔膜包括柔性壁及连接在所述柔性壁上方的出口密封部，所述柔性壁为薄壁，所述出口密封部为厚壁；所述协作部件内塞设置有支撑壁，所述支撑壁上开设有一通孔形成出液孔；所述协作部件密封座上设置有连接环壁，所述连接环壁中央具有通孔形成内容物的入口；当所述真空分配器处于自由状态及吸上状态时，所述出口密封部密封所述出液孔；当所述真空分配器处于泵出状态时，所述出口密封部因受到挤压而形变位移，所述出液孔处于导通状态。
进一步地，所述协作部件内塞上形成有环状沟槽，所述出口密封部与沟槽密封配合，当所述隔膜内压力大于外压力时挤开所述出口密封部，挤出内容物，当所述隔膜内压力小于外压力时，所述出口密封部回弹包住所述沟槽内径壁。
进一步地，所述协作部件密封座的外缘背向轴心方向径向延伸出密封环壁，所述密封环壁与储存瓶上端口密封配合。
进一步地，所述协作部件密封座的开口处往轴心方向延伸出用于防止协作部件内塞滑出的倒扣位。
进一步地，所述协作部件内塞还包括停止限位部，所述停止限位部可与协作部件密封座的内壁相配合，使协作部件内塞按照预设的高度上下滑动。
进一步地，所述隔膜包括入口阀，所述入口阀包括阀体及筋条，所述筋条沿所述阀体的周缘间隔设置，并于所述筋条之间形成空隙，当所述入口阀处于开启状态时，所述筋条上翻，使内容物从所述空隙流入所述隔膜内；当所述入口阀处于关闭状态时，所述筋条下移，所述阀体密封所述内容物的入口。
进一步地，所述隔膜的柔性壁向下延伸形成环状的入口密封部，所述入口密封部套设在所述连接环壁的周缘上。
进一步地，所述真空分配器还包括按头，所述按头部分嵌入于所述协作部件内塞内，所述按头内部设置有相互连通的出液通道及出液口，所述出液通道与所述协作部件内塞的出液孔相连通。
进一步地，所述真空分配器还包括滑动活塞，所述滑动活塞可上下滑动地设置在所述储存瓶的底部，其与所述储存瓶的底部形成一隔绝于内容物的空间。
进一步地，所述储存瓶的底部开设有一进气孔，所述进气孔连通所述滑动活塞与储存瓶底部形成的空间。
 有益效果
本发明与现有技术相比，有益效果在于：本发明的出口密封部为厚壁，当真空分配器处于自由状态及吸上状态时，出口密封部可密封出液孔，该出口密封部结构简单、不易损坏，可使真空分配器的密封性能更加稳定可靠，有效地防止内容物泄流、变质或被污染。
附图说明
图1是本发明实施例一提供的一种真空分配器第一次使用前的自由状态剖视示意图。
图2是图1所示的真空分配器处于吸上状态时的剖视示意图。
图3是图1所示的真空分配器处于自由状态时的剖视示意图。
图4是图1所示的真空分配器处于泵出状态时的剖视示意图。
图5是图1所示的真空分配器的隔膜处于自由状态时的立体剖视示意图。
图6是图5所示的隔膜处于下压状态时的立体剖视示意图。
图7是图5所示的隔膜处于自由状态时的俯视示意图。
图8是本发明实施例二提供的一种入口阀的立体结构示意图。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
如图1至图6所示，为本发明的一较佳实施例，一种真空分配器，包括储存瓶1、隔膜2、协作部件内塞3及协作部件密封座4。隔膜2包括柔性壁21及连接在柔性壁21上方的出口密封部22，柔性壁21为薄壁，出口密封部22为厚壁。协作部件内塞3设置有支撑壁31，支撑壁31上开设有一通孔以形成出液孔32。协作部件密封座4上设置有连接环壁41，连接环壁41中央具有通孔以形成内容物5的入口42。当分配器处于自由状态及吸上状态时，出口密封部22密封出液孔32；当分配器处于泵出状态时，出口密封部22因受到挤压而形变位移，出液孔32处于导通状态。
本实施例中的出口密封部22为厚壁，当真空分配器处于自由状态及吸上状态时，出口密封部22可密封出液孔32，该出口密封部22结构简单、不易损坏，可使真空分配器的密封性能更加稳定可靠，有效地防止内容物5泄流、变质或被污染。
具体地，协作部件内塞3上形成有环状沟槽33，隔膜2的出口密封部22与协作部件内塞3的沟槽33密封配合，以防止内容物在压力的作用下外泄到协作部件密封座4内。出口密封部22与协作部件内塞3配合可起到开关阀的作用（详见后述），当隔膜2内压力大于外压力时挤开出口密封部22，挤出内容物5，当隔膜2内压力小于外压力时，出口密封部22回弹包住沟槽33内径壁起到密封作用。
上述协作部件密封座4的外缘背向轴心方向径向延伸出用于密封储存瓶1的密封环壁43，密封环壁43与储存瓶1上端口密封配合，以密封储存瓶1内的内容物5。协作部件密封座4的开口处往轴心方向延伸出用于防止协作部件内塞3滑出的倒扣位44。上述协作部件内塞3还包括停止限位部34，停止限位部34可与协作部件密封座4的内壁相配合，使协作部件内塞3按照预设的高度上下滑动。同时，倒扣位44与停止限位部34配合，可起限位作用，倒扣位44可防止协作部件内塞3因隔膜2的回弹力而滑出。
请一同参阅图7，上述隔膜2包括入口阀23，入口阀23包括阀体231及筋条232，筋条232沿阀体231的周缘间隔设置，并于筋条232之间形成空隙233，。当入口阀23处于开启状态时，筋条232上翻，使内容物5从空隙233流入隔膜2内；当入口阀23处于关闭状态时，筋条232下移，阀体231密封内容物5的入口42。隔膜2的柔性壁21向下延伸形成环状的入口密封部24，入口密封部24套设在连接环壁41的周缘上。
上述真空分配器还包括按头6及滑动活塞7。按头6部分嵌入于协作部件内塞3内，按头6内部设置有相互连通的出液通道61及出液口62，出液通道61与协作部件内塞3的出液孔32相连通。此外，协作部件内塞3的支撑壁31上于出液孔32上方形成有塞孔（图中未标示），出液通道61的外壁与协作部件内塞3的塞孔内壁紧配合，以防止内容物5泄露。滑动活塞7可上下滑动地设置在储存瓶1的底部，滑动活塞7与储存瓶1的底部形成一隔绝于内容物的空间11，可向空间11施加大气压力，使滑动活塞7推动内容物5向上移动。滑动活塞7上部与储存瓶1滑动紧配合，可隔绝空气与内容物5接触，滑动活塞3下部与储存瓶1滑动紧配合，可起二次密封及导向作用。
上述储存瓶1的底部开设有一进气孔12，进气孔12连通滑动活塞7与储存瓶1底部形成的空间11。
上述真空分配器的工作过程如下：请参考图1，为真空分配器第一次使用前的自由状态，按下按头6后，隔膜2受到挤压而内折翻变形，出口密封部22形变让位，出液孔32导通；随着内部空间由大变小，里面的空气从出液孔32排出，形成真空状态。松开按头6后，隔膜2开始恢复原形，其内部空间逐渐变大，产生回吸力，入口阀23受到吸力影响而上翻，储存瓶1中的内容物5流入隔膜2直到充满隔膜2内部的空间（如图2所示，内容物5的流向途径如图2中的箭头所示），此时，回吸力消失，入口阀23受到重力的影响下降，塞住入口42，此时真空分配器为平时使用时的自由状态（如图3所示）。在自由状态下，按下按头6，隔膜2受到挤压而内折翻变形，出口密封部22形变让位，出液孔32导通；隔膜2内的内容物5从出液孔32排出（如图4所示，内容物5的流向途径如图4中的箭头所示），直至隔膜2内部形成真空状态，因每次充满隔膜2内部空间的内容物5的容积为一定量，所以真空分配器每次排出的内容物5也是定量的，使用者可以很容易掌握使用量，从而减少内容物5的浪费。松开按头6后，隔膜2开始恢复原形，接着真空分配器回到图2所示的吸上状态；待内容物5充满隔膜2内部空间后，重新回到自由状态（如图3）。
本发明还提供了第二实施例，请参阅图8，本实施例相比于实施例一提供了另一种入口阀23＇，该入口阀23＇设有筋条232＇，该筋条232＇呈折曲状，可以在上翻时延伸到更高的位置，从而腾出更大的空隙233＇，使内容物5可以更快地流入隔膜2内。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种真空分配器，包括储存瓶及隔膜，所述隔膜包括柔性壁及连接在所述柔性壁上方的出口密封部，所述柔性壁为薄壁，其特征在于，所述出口密封部为厚壁；所述真空分配器还包括协作部件内塞及协作部件密封座，所述协作部件内塞设置有支撑壁，所述支撑壁上开设有一通孔形成出液孔；所述协作部件密封座上设置有连接环壁，所述连接环壁中央具有通孔形成内容物的入口；当所述真空分配器处于自由状态及吸上状态时，所述出口密封部密封所述出液孔；当所述真空分配器处于泵出状态时，所述出口密封部因受到挤压而形变位移，所述出液孔处于导通状态。
  2. 如权利要求1所述的真空分配器，其特征在于，所述协作部件内塞上形成有环状沟槽，所述出口密封部与沟槽密封配合，当所述隔膜内压力大于外压力时挤开所述出口密封部，挤出内容物，当所述隔膜内压力小于外压力时，所述出口密封部回弹包住所述沟槽内径壁。
  3. 如权利要求1所述的真空分配器，其特征在于，所述协作部件密封座的外缘背向轴心方向径向延伸出密封环壁，所述密封环壁与储存瓶上端口密封配合。
  4. 如权利要求1所述的真空分配器，其特征在于，所述协作部件密封座的开口处往轴心方向延伸出用于防止协作部件内塞滑出的倒扣位。
  5. 如权利要求4所述的真空分配器，其特征在于，所述协作部件内塞还包括停止限位部，所述停止限位部可与协作部件密封座的内壁相配合，使协作部件内塞按照预设的高度上下滑动。
  6. 如权利要求1所述的真空分配器，其特征在于，所述隔膜包括入口阀，所述入口阀包括阀体及筋条，所述筋条沿所述阀体的周缘间隔设置，并于所述筋条之间形成空隙，当所述入口阀处于开启状态时，所述筋条上翻，使内容物从所述空隙流入所述隔膜内；当所述入口阀处于关闭状态时，所述筋条下移，所述阀体密封所述内容物的入口。
  7. 如权利要求1所述的真空分配器，其特征在于，所述隔膜的柔性壁向下延伸形成环状的入口密封部，所述入口密封部套设在所述连接环壁的周缘上。
  8. 如权利要求1所述的真空分配器，其特征在于，所述真空分配器还包括按头，所述按头部分嵌入于所述协作部件内塞内，所述按头内部设置有相互连通的出液通道及出液口，所述出液通道与所述协作部件内塞的出液孔相连通。
  9. 如权利要求1所述的真空分配器，其特征在于，所述真空分配器还包括滑动活塞，所述滑动活塞可上下滑动地设置在所述储存瓶的底部，其与所述储存瓶的底部形成一隔绝于内容物的空间。
  10. 如权利要求9所述的真空分配器，其特征在于，所述储存瓶的底部开设有一进气孔，所述进气孔连通所述滑动活塞与储存瓶底部形成的空间。
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