WO2017185242A1 - Liquid injection apparatus - Google Patents

Liquid injection apparatus Download PDF

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Publication number
WO2017185242A1
WO2017185242A1 PCT/CN2016/080285 CN2016080285W WO2017185242A1 WO 2017185242 A1 WO2017185242 A1 WO 2017185242A1 CN 2016080285 W CN2016080285 W CN 2016080285W WO 2017185242 A1 WO2017185242 A1 WO 2017185242A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
oil
piston
bottle body
piston cylinder
Prior art date
Application number
PCT/CN2016/080285
Other languages
French (fr)
Chinese (zh)
Inventor
姚浩峰
戴胜强
Original Assignee
深圳瀚星翔科技有限公司
宏图东方科技（深圳）有限公司
恒信宏图国际控股有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 深圳瀚星翔科技有限公司, 宏图东方科技（深圳）有限公司, 恒信宏图国际控股有限公司 filed Critical 深圳瀚星翔科技有限公司
Priority to CN201680071849.5A priority Critical patent/CN108601399A/en
Priority to PCT/CN2016/080285 priority patent/WO2017185242A1/en
Publication of WO2017185242A1 publication Critical patent/WO2017185242A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F15/00—Receptacles or boxes specially adapted for cigars, cigarettes, simulated smoking devices or cigarettes therefor
    • A24F15/01—Receptacles or boxes specially adapted for cigars, cigarettes, simulated smoking devices or cigarettes therefor specially adapted for simulated smoking devices or cigarettes therefor
    • A24F15/015—Receptacles or boxes specially adapted for cigars, cigarettes, simulated smoking devices or cigarettes therefor specially adapted for simulated smoking devices or cigarettes therefor with means for refilling of liquid inhalable precursors

Definitions

  • the present invention relates to a liquid injection device, and more particularly to a liquid injection device for filling a cigarette with an electronic cigarette.
  • Electronic cigarettes are also known as virtual cigarettes and electronic atomizers. Electronic cigarettes are used as a substitute for cigarettes. E-cigarettes have a similar appearance and taste to cigarettes, but generally do not contain other harmful components such as tar, aerosols, etc. in cigarettes.
  • the electronic cigarette contains smoke liquid with no toxic side effects.
  • the smoke liquid is atomized into smoke, and the atomized smoke allows the smoker to obtain a stimulating feeling of the action of the cigarette. After a period of use, the liquid smoke will be exhausted, and it is necessary to refill the electronic cigarette with the liquid injection device.
  • the liquid injection device currently on the market has poor sealing performance, and it is easy to use the liquid droplets on the hand, the electronic cigarette or other places during the liquid injection process of the electronic cigarette, which is inconvenient to use.
  • the conventional liquid injection device leaks when it is inverted after opening the cover, which adversely affects the surrounding environment.
  • a liquid filling device comprising: a bottle body comprising a bottle body for accommodating a liquid and a bottle mouth portion at the top of the bottle body; the liquid injector comprising: a casing fixedly disposed within the bottle mouth portion a piston cylinder fixedly disposed in the housing, an oil reservoir is formed in the piston cylinder, and liquid in the bottle body enters the oil storage chamber through a first one-way valve disposed in the piston cylinder a piston disposed in the piston cylinder, the piston internally forming an oil chamber, and the liquid in the oil reservoir enters the oil outlet chamber through a second one-way valve disposed in the piston; a liquid guiding tube, one end of the liquid guiding tube is fixedly connected to the piston, and the other end of the liquid guiding tube extends to the outside of the housing, and the liquid guiding tube is provided with a guiding line communicating with the oil discharging chamber Liquid channel.
  • the liquid injection device further includes a liquid injection needle disposed at a top of the liquid conduit, and the liquid injection needle is internally provided with a liquid injection hole communicating with the liquid communication channel.
  • the bottom of the piston cylinder is provided with an oil outlet
  • the first one-way valve includes an elastic sealing portion covering the oil outlet hole, wherein the piston faces away from the bottle body When the direction moves, the liquid in the bottle body passes through the oil outlet hole and enters the oil reservoir through the elastic sealing portion; the elastic seal when the piston moves in a direction close to the bottle body The portion blocks the oil outlet to prevent the liquid from returning from the oil reservoir to the bottle body.
  • the bottom of the piston cylinder is further provided with a positioning hole, the number of the oil outlet holes is plural, and the plurality of oil outlet holes surround the positioning hole, the elastic sealing The portion has a shape of a spherical cap, and the first one-way valve further includes a positioning rod connected to a middle portion of the elastic sealing portion, and the positioning rod is inserted and fixed in the positioning hole.
  • the liquid injecting device further includes an elastic member received inside the oil storage chamber, the elastic member is fixed at one end to the piston cylinder, and the other end of the elastic member is opposite to the piston cylinder. The bottom of the match.
  • the outer wall of the piston is provided with a plurality of outwardly projecting ribs, the ribs are in close contact with the inner wall of the piston cylinder, and one end of the elastic member is fixed on the rib .
  • the bottom of the piston is provided with an oil guiding hole
  • the second one-way valve is a sealing ball that is movably disposed on the oil guiding hole, wherein the piston is directed toward the bottle body.
  • the liquid in the oil reservoir passes through the oil guiding hole and passes through the sealing ball into the oil discharge chamber; when the piston moves in a direction close to the bottle body, the sealing ball blocks The oil hole is described to prevent the liquid from returning from the oil discharge chamber to the oil reservoir.
  • the liquid injection device further includes a biasing member received inside the oil discharge chamber, one end of the biasing member is pressed against the sealing ball, and the other end is connected to the liquid guiding body.
  • the bottom of the tube is offset.
  • the inner wall of the oil discharge chamber is provided with a plurality of arc-shaped liquid guiding grooves surrounding the oil guiding hole.
  • the top of the housing is provided with an air inlet hole, and an outer wall of the piston cylinder and an inner wall of the housing form a gap communicating with the air inlet hole, and the liquid injection device Further comprising an elastic airtight member disposed at a bottom end of the piston cylinder, wherein when the piston moves toward a direction of the bottle body, outside air sequentially enters through the air inlet hole, the gap, and the elastic airtight member The inside of the bottle body; the elastic airtight member prevents air from returning to the gap from the inside of the bottle body when the piston moves in a direction toward the bottle body.
  • the top of the piston cylinder is provided with a positioning ring for contacting the inner wall of the casing, the positioning ring is provided with an air inlet groove, and the outer wall of the piston cylinder near the bottom is provided for a positioning sleeve contacting the inner wall of the casing, and the positioning sleeve is provided with an intake passage corresponding to the air inlet groove.
  • the bottom end of the piston cylinder is provided with an annular engaging groove
  • the elastic airtight member is sleeved in the engaging groove
  • the elastic airtight member is in the shape of a dish
  • the elastic The outer edge of the airtight member is inclined toward the bottle body.
  • the liquid filling device further includes a bottle cap having an opening, the casing is fixedly disposed in the bottle mouth portion through the bottle cap, and the liquid guiding tube passes through the bottle The opening is exposed.
  • the liquid injection device further includes a seal ring disposed between the piston and the catheter.
  • the first one-way valve can prevent the liquid in the oil storage chamber from entering the bottle.
  • the liquid in the oil storage chamber can enter the oil discharge chamber through the second one-way valve, and further enters the liquid chamber of the electronic cigarette through the liquid guiding tube.
  • the second one-way valve can prevent the liquid in the oil discharge chamber from continuing to enter the oil storage chamber, and the liquid inside the bottle body can enter the oil storage chamber through the first one-way valve, thereby completing a liquid injection cycle.
  • the second check valve can prevent the liquid in the bottle from flowing out of the catheter to achieve a good sealing effect.
  • Figure 1 is a front elevational view of a liquid filling device of an embodiment
  • Figure 2 is a schematic cross-sectional view of the liquid injection device shown in Figure 1;
  • Figure 3 is an enlarged schematic view of a portion III of Figure 2;
  • Figure 4 is a cross-sectional view showing another angle of the liquid injection device shown in Figure 1;
  • FIG. 5 is an enlarged schematic view of the V portion of Figure 4:
  • Figure 6 is a perspective exploded view of the liquid injector of Figure 1;
  • Figure 7 is a perspective view of the housing of Figure 6;
  • Figure 8A is a perspective view of the piston cylinder of Figure 6;
  • Figure 8B is a perspective view of the elastic airtight member of Figure 6;
  • Figure 8C is a perspective view showing different angles of the piston cylinder of Figure 6;
  • Figure 9 is a perspective view of the first check valve of Figure 6;
  • Figure 10A is a schematic cross-sectional view of the piston of Figure 6;
  • Figure 10B is a perspective view of the piston of Figure 6;
  • Figure 11 is a perspective view of the catheter of Figure 6;
  • 12A and 12B are schematic cross-sectional views showing the liquid injection device in different states of use, respectively.
  • the liquid injection device of the present invention can be used to fill any liquid. However, in the embodiments described herein, it is primarily used to add smoke to electronic cigarettes.
  • the liquid filling device 100 of an embodiment includes a bottle body 10 , a bottle cap 12 , and an injector 200 .
  • the bottle body 10 includes a bottle body 102 and a bottle mouth portion 104 integrally formed with the bottle body 102.
  • the bottle body 102 is generally circular in shape for containing the liquid smoke.
  • the material of the bottle body 102 can be either a deformable elastic material or a plastic material or even a metal material.
  • the cap 12 is screwed to the mouth portion 104 to fix the dispenser 200 to the mouth portion 104.
  • the liquid injector 200 includes a housing 20, a piston cylinder 30, a first check valve 40, a piston 50, a liquid guiding tube 60, a liquid injection needle 70, and an elastic airtight member 80. .
  • the housing 20 includes a body 22 and an end cap 24 at the top of the body 22.
  • the body 22 has a substantially hollow cylindrical shape.
  • the diameter of the main body 22 is slightly smaller than the diameter of the mouth portion 104, and the diameter of the end cap 24 is larger than the diameter of the main body 22, so that the main body 22 can be accommodated inside the bottle mouth portion 104, and the end cap 24 can be stuck at the mouth portion 104.
  • a guide hole 242 for accommodating the liquid guiding tube 70 is opened in the middle of the end cover 24.
  • the end cover 24 is also symmetrically opened with a plurality of air inlet holes 244 around the guide holes 242.
  • the piston cylinder 30 is generally a hollow cylinder that is open at one end, and an oil reservoir 32 for containing liquid is formed inside.
  • the diameter of the piston cylinder 30 is smaller than the diameter of the main body 22 of the housing 20, so that the piston cylinder 30 can be housed in the main body 22, and a gap 31 between the outer wall of the piston cylinder 30 and the inner wall of the main body 22 to allow gas to flow is formed ( See Figure 3 and Figure 5).
  • the gap 31 communicates with the intake hole 244.
  • the top of the piston cylinder 30 extends radially outward to form a locating ring 34, and the bottom of the piston cylinder 30 is formed with a relatively large diameter locating sleeve 36.
  • the positioning ring 34 and the positioning sleeve 36 are in direct contact with the inner wall of the main body 22, thereby preventing the piston cylinder 30 from swaying in the main body 22 due to the difference in diameter.
  • the edge of the positioning ring 34 is symmetrical with a plurality of intake grooves 342; the periphery of the positioning sleeve 36 corresponds to a plurality of intake passages 362.
  • Each of the intake slots 342 is vertically aligned with an intake passage 362.
  • the bottom end of the piston cylinder 30 is provided with an annular engagement groove 39.
  • the elastic airtight member 80 is sleeved in the engaging groove 39.
  • the elastic airtight member 80 has a substantially disk shape, and the outer edge of the elastic airtight member 80 is inclined toward the bottle body 102. In the normal state, the elastic airtight member 80 can close the intake passage 362, thereby preventing outside air from entering the inside of the bottle body 102. However, once the internal air pressure of the bottle body 102 has a tendency to be less than atmospheric pressure, the elastic airtight member 80 can be elastically deformed downward, so that outside air can enter the gap 31 through the air inlet hole 244 and the air intake groove 342. And can enter the inside of the bottle body 102 through the intake passage 362.
  • a positioning hole 37 and a plurality of oil outlet holes 38 surrounding the positioning hole 37 are opened in the middle of the bottom of the piston cylinder 30.
  • the first one-way valve 40 has a generally "umbrella" configuration and may be made of an elastic material.
  • the first one-way valve 40 includes a positioning rod 42 and an elastic seal 44 at one end of the positioning rod 42.
  • the positioning rod 42 has a substantially thick and thin tapered shape. The position of the positioning rod 42 near the top begins with a locking slot 422 that cooperates with the positioning hole 37. Therefore, the positioning rod 42 can be inserted into the positioning hole 37, and the edge of the positioning hole 37 and the card slot 422 can cooperate with each other to position the positioning rod 42.
  • the rod 42 is fixed in the positioning hole 37.
  • the elastic sealing portion 44 has a shape of a spherical cap whose cross-sectional diameter gradually increases from the top to the bottom.
  • the elastic sealing portion 44 covers the oil outlet hole 38. In the normal state, the elastic seal portion 44 can prevent the liquid in the oil reservoir 32 from entering the inside of the bottle body 102 through the oil outlet hole 38. However, once the pressure inside the bottle body 102 is greater than the pressure of the oil reservoir 32, the elastic sealing portion 44 can be elastically deformed and turned upside down, so that the liquid inside the bottle body 102 can enter the oil reservoir 32 through the oil outlet hole 38. in.
  • the piston 50 is generally cylindrical.
  • the piston 50 can slide up and down in the axial direction within the piston cylinder 30 to increase or decrease the volume of the oil reservoir 32.
  • the diameter of the piston 50 is smaller than the inner diameter of the piston cylinder 30.
  • the outer wall of the piston 50 is provided with a plurality of outwardly projecting ribs 52 projecting upwardly and downwardly, and the ribs 52 are in close contact with the inner wall of the piston cylinder 30.
  • the injector 200 further includes an elastic member 322 (see FIGS. 2 and 6) housed inside the oil reservoir 32.
  • the elastic member 322 is a compression spring, one end of which is abutted against the bottom surface of the piston cylinder 30, and the other end is fixed to the rib 52.
  • the other end of the resilient member 322 may also abut the bottom surface of the piston 50.
  • the inside of the piston 50 is formed with an oil discharge chamber 54 in the axial direction.
  • An oil guiding hole 56 communicating with the oil discharge chamber 54 is also formed at the bottom of the piston 50.
  • the injector 200 further includes a second one-way valve 55 disposed within the oil discharge chamber 54.
  • the second one-way valve 55 is a sealing ball that is movably disposed on the oil guiding hole 56 (see FIG. 3).
  • the diameter of the cross section of the oil discharge chamber 54 is substantially the same as the diameter of the sealing ball such that the sealing ball is always located within or directly above the oil guiding hole 56.
  • the injector 200 further includes a biasing member 542 housed inside the oil discharge chamber 54.
  • the biasing member 542 is a compression spring having one end pressed against the sealing ball and the other end abutting against the bottom of the liquid guiding tube 60.
  • the sealing ball can block the oil guiding hole 56 under the elastic force of the biasing member 542, so that the liquid of the oil discharging chamber 54 can be prevented from entering the oil storage chamber 32 through the oil guiding hole 56.
  • the biasing member 542 can be compressed such that the sealing ball can move over the oil guiding hole 56 without blocking the oil guiding hole 56, and The liquid in the oil reservoir 32 passes through the oil guiding hole 56 and enters the oil discharge chamber 54.
  • the inner wall of the oil discharge chamber 54 is provided with a plurality of arc-shaped liquid guiding grooves 544 surrounding the oil guiding holes 56 in the axial direction.
  • the catheter 60 is generally a hollow tube comprising an elongated tubular body 62 and a piston cap 64 at one end of the tubular body 62.
  • the tubular body 62 extends through the guide hole 242 of the housing 20 to the outside of the housing 20.
  • the inside of the tubular body 62 is axially opened with a liquid guiding passage 622 (see FIG. 3) communicating with the oil discharge chamber 54.
  • the diameter of the piston cover 64 is larger than the diameter of the tubular body 62.
  • the piston cover 64 is sleeved and fixed to the piston 50 to collectively form an oil chamber 54 (see Fig. 3).
  • the injector 200 further includes a seal ring 66 (see FIGS. 3 and 6) disposed between the piston 50 and the piston cap 64.
  • the seal 66 can be an O-ring. It will be appreciated that in other embodiments, the seal ring 66 may also be omitted.
  • the liquid injection needle 70 is disposed at the top of the catheter 60 and partially inserted into the catheter channel 622 of the tube body 62.
  • a liquid injection hole 72 communicating with the liquid guiding passage 622 is opened inside the liquid injection needle 70. It will be appreciated that in other embodiments, the liquid injection needle 70 can also be omitted.
  • the elastic airtight member 80 is firstly sleeved in the engaging groove 39 at the bottom of the piston cylinder 30, and the first check valve 40 is inserted into and fixed to the positioning hole of the piston cylinder 30. 37.
  • the elastic member 322 is placed inside the oil reservoir 32 of the piston cylinder 30, and the piston 50 is inserted into the piston cylinder 30.
  • the biasing member 542 is loaded, the second check valve 55 is blocked by the oil guiding hole 56, and then the sealing ring 66 is sleeved.
  • the catheter 60 is sleeved and fixed to the piston 50.
  • the housing 20 is sleeved and fixed to the outside of the piston cylinder 30, and the tube body 62 and the liquid injection needle 70 of the catheter 60 are inserted into the catheter tube 60.
  • the exterior of the housing 20 is fixed to the bottle mouth portion 102 by the cap 12, thereby completing the assembly of the liquid filling device 100.
  • the liquid injection needle 70 is inserted into the liquid chamber of the electronic cigarette (not shown), and a certain pressure is applied to the top end of the liquid guiding tube 60 to drive the piston 50 toward the bottle body 102.
  • the direction is moved, the volume of the oil reservoir 32 inside the piston cylinder 30 is reduced, the pressure of the liquid inside is increased, and the elastic member 322 is in a compressed state.
  • the elastic sealing portion 44 can close the oil hole 38, thereby preventing the liquid in the oil reservoir 32 from entering the inside of the bottle body 102 through the oil outlet hole 38.
  • the biasing member 542 Since the pressure in the oil reservoir 32 is greater than the pressure of the oil outlet chamber 54 at this time, the biasing member 542 is compressed, so that the second one-way valve 55 no longer blocks the oil guiding hole 56, and the oil reservoir chamber 32 is closed.
  • the liquid enters the oil discharge chamber 54 through the oil guiding hole 56, and further enters the electronic cigarette through the liquid guiding passage 622 of the liquid guiding tube 60 and the liquid injection hole 72 of the liquid injection needle 70 communicating with the oil discharge chamber 54. internal.
  • the piston 50 when the application of pressure to the tip end of the catheter 60 is stopped, the piston 50 will move away from the bottle body 102 under the elastic restoring force of the elastic member 322. At this time, the volume of the oil reservoir 32 inside the piston cylinder 30 is increased, and the pressure is reduced. Under the elastic restoring force of the biasing member 542, the second one-way valve 55 blocks the oil guiding hole 56, thereby preventing the liquid of the oil discharging chamber 54 from continuing to pass through the oil guiding hole 56 and entering the oil storage chamber 32.
  • the elastic airtight member 80 will be elastically deformed downward, so that outside air can enter the gap 31 through the air inlet hole 244 and the air intake groove 342. And can enter the inside of the bottle body 102 through the intake passage 362. Since the pressure of the oil reservoir 32 is more than the pressure inside the bottle body 102, the elastic sealing portion 44 can be elastically deformed and turned upside down, so that the liquid inside the bottle body 102 can enter the oil reservoir 32 through the oil outlet hole 38. , thus completing a liquid injection cycle.
  • the second check valve 55 can block the oil guiding hole 56, thereby preventing the liquid in the bottle body 102 from flowing out of the liquid guiding tube 60 and the liquid injecting needle 70, achieving a good sealing effect.
  • both the liquid smoke in the bottle body and the smoke liquid in the electronic cigarette are completely isolated from the external environment, thereby ensuring the relative safety of the liquid injection process.
  • the elastic member 322 and the biasing member 542 may also be omitted.
  • the first check valve 40 and the second check valve 55 are not limited to the embodiment described in the above embodiment, and any device capable of achieving one-way entry and exit of the liquid is within the scope of the present disclosure.

Abstract

A liquid injection apparatus (100), comprising: a bottle body (10), comprising a bottle (102) for holding a liquid, and a bottle opening (104) located at a top portion of the bottle (102); a liquid injection device (200), comprising a casing (20) fixedly provided within the bottle opening (104); a plunger cylinder (30), fixedly provided within the casing (20), and an oil storage cavity (32) formed within the plunger cylinder (30), wherein the liquid within the bottle (102) flows through a first check valve (40) and enters the oil storage cavity (32); a plunger (50), movably provided within the plunger cylinder (30), and an oil outlet cavity (54) formed within the plunger (50), wherein the liquid in the oil storage cavity (32) flows through a second check valve (55) and enters the oil outlet cavity (54); and a liquid flow tube (60), wherein one end of the liquid flow tube (60) is fixedly connected to the plunger (50) and another end of the liquid flow tube (60) extends beyond the casing (20). The liquid flow tube (60) is internally provided with a liquid flow channel (622) communicating with the oil outlet cavity (54). The liquid injection apparatus provides the advantages of improved sealing.

Description

注液装置Injection device
【技术领域】[Technical Field]
本发明涉及注液装置，尤其是涉及一种用于向电子烟加注烟液的注液装置。The present invention relates to a liquid injection device, and more particularly to a liquid injection device for filling a cigarette with an electronic cigarette.
【背景技术】【Background technique】
电子烟又名虚拟香烟、电子雾化器。电子烟作为香烟替代品。电子烟具有与香烟相似的外观和味道，但一般不含香烟中的焦油、悬浮微粒等其它有害成分。Electronic cigarettes are also known as virtual cigarettes and electronic atomizers. Electronic cigarettes are used as a substitute for cigarettes. E-cigarettes have a similar appearance and taste to cigarettes, but generally do not contain other harmful components such as tar, aerosols, etc. in cigarettes.
在电子烟中容纳有无毒副作用的烟液。在使用时将烟液雾化成烟雾，通过雾化烟雾使烟民获得香烟作用的一种刺激感。在使用一段时间后，烟液就会耗尽，此时需要使用注液装置将烟液再次注入电子烟。然而，目前市场上销售的注液装置密封性较差，在对电子烟的注液过程中容易使烟液滴到手上、电子烟上或其它地方，使用较为不便。另外，传统的注液装置在开盖后倒置时会漏液，会对周围环境带来不利影响。The electronic cigarette contains smoke liquid with no toxic side effects. When used, the smoke liquid is atomized into smoke, and the atomized smoke allows the smoker to obtain a stimulating feeling of the action of the cigarette. After a period of use, the liquid smoke will be exhausted, and it is necessary to refill the electronic cigarette with the liquid injection device. However, the liquid injection device currently on the market has poor sealing performance, and it is easy to use the liquid droplets on the hand, the electronic cigarette or other places during the liquid injection process of the electronic cigarette, which is inconvenient to use. In addition, the conventional liquid injection device leaks when it is inverted after opening the cover, which adversely affects the surrounding environment.
【发明内容】 [Summary of the Invention]
基于此，有必要提供一种密封效果较好的注液装置。Based on this, it is necessary to provide a liquid injection device with a better sealing effect.
一种注液装置，包括：瓶体，包括用于容纳液体的瓶身和位于所述瓶身顶部的瓶口部；注液器，包括：壳体，固定设置在所述瓶口部之内；活塞缸，固定设置于所述壳体之内，所述活塞缸内形成储油腔，所述瓶身中的液体通过设置在该活塞缸内的第一单向阀进入所述储油腔；活塞，活动设置于所述活塞缸内，所述活塞内部形成出油腔，所述储油腔内的液体通过设置在所述活塞内的第二单向阀进入所述出油腔；及导液管，所述导液管的一端与所述活塞固定相连，所述导液管的另一端延伸至所述壳体外部，所述导液管内开设有与所述出油腔相通的导液通道。A liquid filling device comprising: a bottle body comprising a bottle body for accommodating a liquid and a bottle mouth portion at the top of the bottle body; the liquid injector comprising: a casing fixedly disposed within the bottle mouth portion a piston cylinder fixedly disposed in the housing, an oil reservoir is formed in the piston cylinder, and liquid in the bottle body enters the oil storage chamber through a first one-way valve disposed in the piston cylinder a piston disposed in the piston cylinder, the piston internally forming an oil chamber, and the liquid in the oil reservoir enters the oil outlet chamber through a second one-way valve disposed in the piston; a liquid guiding tube, one end of the liquid guiding tube is fixedly connected to the piston, and the other end of the liquid guiding tube extends to the outside of the housing, and the liquid guiding tube is provided with a guiding line communicating with the oil discharging chamber Liquid channel.
在其中一个实施例中，所述注液装置还包括设置于所述导液管的顶部的注液针，所述注液针内部开设有与所述导液通道相通的注液孔。In one embodiment, the liquid injection device further includes a liquid injection needle disposed at a top of the liquid conduit, and the liquid injection needle is internally provided with a liquid injection hole communicating with the liquid communication channel.
在其中一个实施例中，所述活塞缸的底部设有出油孔，所述第一单向阀包括覆盖于所述出油孔上的弹性密封部，其中所述活塞朝远离所述瓶身的方向运动时，所述瓶身中的液体通过所述出油孔并越过所述弹性密封部进入所述储油腔；所述活塞朝靠近所述瓶身的方向运动时，所述弹性密封部堵塞所述出油孔，以阻止所述液体从所述储油腔返回所述瓶身中。In one embodiment, the bottom of the piston cylinder is provided with an oil outlet, and the first one-way valve includes an elastic sealing portion covering the oil outlet hole, wherein the piston faces away from the bottle body When the direction moves, the liquid in the bottle body passes through the oil outlet hole and enters the oil reservoir through the elastic sealing portion; the elastic seal when the piston moves in a direction close to the bottle body The portion blocks the oil outlet to prevent the liquid from returning from the oil reservoir to the bottle body.
在其中一个实施例中，所述活塞缸的底部还设有定位孔，所述出油孔的数量为多个，所述多个出油孔环绕在所述定位孔的周围，所述弹性密封部具有球冠的形状，所述第一单向阀还包括与所述弹性密封部的中部相连的定位杆，所述定位杆***并固定于所述定位孔中。In one embodiment, the bottom of the piston cylinder is further provided with a positioning hole, the number of the oil outlet holes is plural, and the plurality of oil outlet holes surround the positioning hole, the elastic sealing The portion has a shape of a spherical cap, and the first one-way valve further includes a positioning rod connected to a middle portion of the elastic sealing portion, and the positioning rod is inserted and fixed in the positioning hole.
在其中一个实施例中，所述注液装置还包括收容于所述储油腔内部的弹性件，所述弹性件一端固定在所述活塞缸上，所述弹性件另一端与所述活塞缸的底部相抵。In one embodiment, the liquid injecting device further includes an elastic member received inside the oil storage chamber, the elastic member is fixed at one end to the piston cylinder, and the other end of the elastic member is opposite to the piston cylinder. The bottom of the match.
在其中一个实施例中，所述活塞的外壁设有多条向外突出的凸肋，所述凸肋与所述活塞缸的内壁紧密接触，所述弹性件的一端固定在所述凸肋上。In one embodiment, the outer wall of the piston is provided with a plurality of outwardly projecting ribs, the ribs are in close contact with the inner wall of the piston cylinder, and one end of the elastic member is fixed on the rib .
在其中一个实施例中，所述活塞的底部开设有导油孔，所述第二单向阀为活动设置于所述导油孔的密封球，其中所述活塞朝靠近所述瓶身的方向运动时，所述储油腔中的液体通过所述导油孔并越过所述密封球进入所述出油腔；所述活塞朝靠近所述瓶身的方向运动时，所述密封球堵塞所述导油孔，以阻止所述液体从所述出油腔返回所述储油腔。In one embodiment, the bottom of the piston is provided with an oil guiding hole, and the second one-way valve is a sealing ball that is movably disposed on the oil guiding hole, wherein the piston is directed toward the bottle body. During movement, the liquid in the oil reservoir passes through the oil guiding hole and passes through the sealing ball into the oil discharge chamber; when the piston moves in a direction close to the bottle body, the sealing ball blocks The oil hole is described to prevent the liquid from returning from the oil discharge chamber to the oil reservoir.
在其中一个实施例中，所述注液装置还包括收容于所述出油腔内部的偏压件，所述偏压件的一端抵压在所述密封球上，另一端与所述导液管的底部相抵。In one embodiment, the liquid injection device further includes a biasing member received inside the oil discharge chamber, one end of the biasing member is pressed against the sealing ball, and the other end is connected to the liquid guiding body. The bottom of the tube is offset.
在其中一个实施例中，所述出油腔的内壁开设有环绕所述导油孔的多个圆弧状导液槽。In one embodiment, the inner wall of the oil discharge chamber is provided with a plurality of arc-shaped liquid guiding grooves surrounding the oil guiding hole.
在其中一个实施例中，所述壳体的顶部开设有进气孔，所述活塞缸的外壁与所述壳体的内壁之间形成与所述进气孔相通的间隙，所述注液装置还包括设于所述活塞缸底端的弹性气密件，其中所述活塞朝靠近所述瓶身的方向运动时，外界空气依次通过所述进气孔、所述间隙及所述弹性气密件而进入所述瓶身内部；所述活塞朝靠近所述瓶身的方向运动时，所述弹性气密件阻止空气从所述瓶身内部返回所述间隙。In one embodiment, the top of the housing is provided with an air inlet hole, and an outer wall of the piston cylinder and an inner wall of the housing form a gap communicating with the air inlet hole, and the liquid injection device Further comprising an elastic airtight member disposed at a bottom end of the piston cylinder, wherein when the piston moves toward a direction of the bottle body, outside air sequentially enters through the air inlet hole, the gap, and the elastic airtight member The inside of the bottle body; the elastic airtight member prevents air from returning to the gap from the inside of the bottle body when the piston moves in a direction toward the bottle body.
在其中一个实施例中，所述活塞缸的顶部设有用于与壳体的内壁相接触的定位环，所述定位环上开设有进气槽，所述活塞缸靠近底部的外壁设有用于与壳体的内壁相接触的定位套，所述定位套上开设有与所述进气槽相对应的进气通道。In one embodiment, the top of the piston cylinder is provided with a positioning ring for contacting the inner wall of the casing, the positioning ring is provided with an air inlet groove, and the outer wall of the piston cylinder near the bottom is provided for a positioning sleeve contacting the inner wall of the casing, and the positioning sleeve is provided with an intake passage corresponding to the air inlet groove.
在其中一个实施例中，所述活塞缸的底端开设有环形的卡合槽，所述弹性气密件套设在所述卡合槽内，所述弹性气密件为碟形，且所述弹性气密件的外边缘朝靠近所述瓶身的方向倾斜。In one embodiment, the bottom end of the piston cylinder is provided with an annular engaging groove, the elastic airtight member is sleeved in the engaging groove, the elastic airtight member is in the shape of a dish, and the elastic The outer edge of the airtight member is inclined toward the bottle body.
在其中一个实施例中，所述注液装置还包括具有开孔的瓶盖，所述壳体通过所述瓶盖固定设置于所述瓶口部之内，所述导液管穿过所述开孔外露。In one embodiment, the liquid filling device further includes a bottle cap having an opening, the casing is fixedly disposed in the bottle mouth portion through the bottle cap, and the liquid guiding tube passes through the bottle The opening is exposed.
在其中一个实施例中，所述注液装置还包括设置于所述活塞与所述导液管之间的密封圈。In one embodiment, the liquid injection device further includes a seal ring disposed between the piston and the catheter.
上述注液装置在使用时，可对导液管的顶端施加一定压力，使其带动活塞朝靠近瓶身的方向运动时，此时，第一单向阀能够阻止储油腔中的液体进入瓶身内部，于此同时，储油腔内的液体能够通过第二单向阀而进入出油腔，并进一步通过导液管而进入电子烟的液体腔内。当停止对导液管的顶端施加压力时，活塞将朝远离瓶身的方向运动。此时，第二单向阀能够避免出油腔的液体继续进入储油腔中，而瓶身内部液体能够通过第一单向阀而进入到储油腔中，从而完成一次注液循环。在正常状态下，第二单向阀能够避免瓶身中的液体从导液管中流出，达到良好的密封效果。When the liquid injection device is in use, a certain pressure can be applied to the top end of the liquid guiding tube to move the piston toward the bottle body. At this time, the first one-way valve can prevent the liquid in the oil storage chamber from entering the bottle. Inside the body, at the same time, the liquid in the oil storage chamber can enter the oil discharge chamber through the second one-way valve, and further enters the liquid chamber of the electronic cigarette through the liquid guiding tube. When the pressure on the tip of the catheter is stopped, the piston will move away from the bottle. At this time, the second one-way valve can prevent the liquid in the oil discharge chamber from continuing to enter the oil storage chamber, and the liquid inside the bottle body can enter the oil storage chamber through the first one-way valve, thereby completing a liquid injection cycle. Under normal conditions, the second check valve can prevent the liquid in the bottle from flowing out of the catheter to achieve a good sealing effect.
本发明的一个或多个实施例的细节在下面的附图和描述中提出。本发明的其它特征、目的和优点将从说明书以及附图中变得明显。Details of one or more embodiments of the invention are set forth in the accompanying drawings and description below. Other features, objects, and advantages of the invention will be apparent from the description and drawings.
【附图说明】[Description of the Drawings]
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他实施例的附图。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and those skilled in the art can obtain drawings of other embodiments according to the drawings without any creative work.
图1为一实施例的注液装置的主视图；Figure 1 is a front elevational view of a liquid filling device of an embodiment;
图2为图1所示注液装置的剖面示意图；Figure 2 is a schematic cross-sectional view of the liquid injection device shown in Figure 1;
图3为图2中III部的放大示意图；Figure 3 is an enlarged schematic view of a portion III of Figure 2;
图4为图1所示注液装置的另一个角度的剖面示意图；Figure 4 is a cross-sectional view showing another angle of the liquid injection device shown in Figure 1;
图5为图4中V部的放大示意图：Figure 5 is an enlarged schematic view of the V portion of Figure 4:
图6为图1中注液器的立体分解示意图；Figure 6 is a perspective exploded view of the liquid injector of Figure 1;
图7为图6中的壳体的立体示意图；Figure 7 is a perspective view of the housing of Figure 6;
图8A为图6中活塞缸的立体示意图；Figure 8A is a perspective view of the piston cylinder of Figure 6;
图8B为图6中弹性气密件的立体示意图；Figure 8B is a perspective view of the elastic airtight member of Figure 6;
图8C分别为图6中活塞缸的不同角度的立体示意图；Figure 8C is a perspective view showing different angles of the piston cylinder of Figure 6;
图9为图6中第一单向阀的立体示意图；Figure 9 is a perspective view of the first check valve of Figure 6;
图10A为图6中活塞的剖面示意图；Figure 10A is a schematic cross-sectional view of the piston of Figure 6;
图10B为图6中活塞的立体示意图；Figure 10B is a perspective view of the piston of Figure 6;
图11为图6中导液管的立体示意图；Figure 11 is a perspective view of the catheter of Figure 6;
图12A和图12B分别为注液装置位于不同的使用状态的剖面示意图。12A and 12B are schematic cross-sectional views showing the liquid injection device in different states of use, respectively.
【具体实施方式】 【detailed description】
为了便于理解本发明，下面将参照相关附图对本发明进行更全面的描述。附图中给出了本发明的首选实施例。但是，本发明可以以许多不同的形式来实现，并不限于本文所描述的实施例。相反地，提供这些实施例的目的是使对本发明的公开内容更加透彻全面。In order to facilitate the understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the invention are given in the drawings. However, the invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and comprehensive.
本发明中的注液装置可以用于加注任何液体。但在本文所描述的实施例中，主要是用来为电子烟加注烟液。The liquid injection device of the present invention can be used to fill any liquid. However, in the embodiments described herein, it is primarily used to add smoke to electronic cigarettes.
请参阅图1，一实施例的注液装置100包括瓶体10、瓶盖12及注液器200。Referring to FIG. 1 , the liquid filling device 100 of an embodiment includes a bottle body 10 , a bottle cap 12 , and an injector 200 .
请参阅图2，瓶体10包括瓶身102以及与瓶身102一体成型的瓶口部104。瓶身102大致呈圆管状，用于盛装烟液。瓶身102的材料既可以采用可变形的弹性材料，也可以采用塑性材料，甚至是金属材料。瓶盖12通过螺纹固定在瓶口部104，以将注液器200固定设置在瓶口部104。Referring to FIG. 2, the bottle body 10 includes a bottle body 102 and a bottle mouth portion 104 integrally formed with the bottle body 102. The bottle body 102 is generally circular in shape for containing the liquid smoke. The material of the bottle body 102 can be either a deformable elastic material or a plastic material or even a metal material. The cap 12 is screwed to the mouth portion 104 to fix the dispenser 200 to the mouth portion 104.
请一并参阅图2、图4及图6，注液器200包括壳体20、活塞缸30、第一单向阀40、活塞50、导液管60、注液针70、弹性气密件80。Referring to FIG. 2, FIG. 4 and FIG. 6, the liquid injector 200 includes a housing 20, a piston cylinder 30, a first check valve 40, a piston 50, a liquid guiding tube 60, a liquid injection needle 70, and an elastic airtight member 80. .
请一并参阅图7，壳体20包括主体22和位于主体22顶部的端盖24。主体22大致呈空心圆筒状。主体22的直径略小于瓶口部104的直径，端盖24的直径大于主体22的直径，因此主体22可被收容于瓶口部104的内部，而端盖24可以卡设在瓶口部104的顶部。端盖24的中部开设有一个用于容纳导液管70的导孔242。端盖24在导孔242的周围还对称开设有多个进气孔244。Referring to FIG. 7 together, the housing 20 includes a body 22 and an end cap 24 at the top of the body 22. The body 22 has a substantially hollow cylindrical shape. The diameter of the main body 22 is slightly smaller than the diameter of the mouth portion 104, and the diameter of the end cap 24 is larger than the diameter of the main body 22, so that the main body 22 can be accommodated inside the bottle mouth portion 104, and the end cap 24 can be stuck at the mouth portion 104. the top of. A guide hole 242 for accommodating the liquid guiding tube 70 is opened in the middle of the end cover 24. The end cover 24 is also symmetrically opened with a plurality of air inlet holes 244 around the guide holes 242.
请参阅图8A，活塞缸30大致为一端开口的空心圆筒，其内部形成用于容纳液体的储油腔32。活塞缸30的直径小于壳体20的主体22的直径，因此活塞缸30可以被收容于主体22之内，且活塞缸30的外壁与主体22的内壁之间形成可允许气体流通的间隙31（见图3和图5）。间隙31与进气孔244相通。活塞缸30的顶部沿径向向外延伸形成定位环34，活塞缸30的底部形成有直径较粗的定位套36。定位环34和定位套36直接与主体22的内壁相接触，从而防止活塞缸30在主体22之中由于直径差而发生晃动。定位环34的边缘对称开始有多个进气槽342；定位套36的周边对应开始有多个进气通道362。每一进气槽342与一个进气通道362上下对齐。请参阅图5和图8B，活塞缸30的底端开设有环形的卡合槽39。弹性气密件80套设在卡合槽39内。弹性气密件80的形状大致为碟形，且弹性气密件80的外边缘朝靠近瓶身102的方向倾斜。正常状态下，弹性气密件80能够封闭进气通道362，从而避免外界空气进入瓶身102的内部。但是，一旦瓶身102的内部气压有小于大气压的趋势时，弹性气密件80能够向下发生弹性变形，从而使得外界空气可以通过进气孔244和进气槽342而进入到间隙31之内，并能通过进气通道362进入到瓶身102的内部。Referring to Fig. 8A, the piston cylinder 30 is generally a hollow cylinder that is open at one end, and an oil reservoir 32 for containing liquid is formed inside. The diameter of the piston cylinder 30 is smaller than the diameter of the main body 22 of the housing 20, so that the piston cylinder 30 can be housed in the main body 22, and a gap 31 between the outer wall of the piston cylinder 30 and the inner wall of the main body 22 to allow gas to flow is formed ( See Figure 3 and Figure 5). The gap 31 communicates with the intake hole 244. The top of the piston cylinder 30 extends radially outward to form a locating ring 34, and the bottom of the piston cylinder 30 is formed with a relatively large diameter locating sleeve 36. The positioning ring 34 and the positioning sleeve 36 are in direct contact with the inner wall of the main body 22, thereby preventing the piston cylinder 30 from swaying in the main body 22 due to the difference in diameter. The edge of the positioning ring 34 is symmetrical with a plurality of intake grooves 342; the periphery of the positioning sleeve 36 corresponds to a plurality of intake passages 362. Each of the intake slots 342 is vertically aligned with an intake passage 362. Referring to FIGS. 5 and 8B, the bottom end of the piston cylinder 30 is provided with an annular engagement groove 39. The elastic airtight member 80 is sleeved in the engaging groove 39. The elastic airtight member 80 has a substantially disk shape, and the outer edge of the elastic airtight member 80 is inclined toward the bottle body 102. In the normal state, the elastic airtight member 80 can close the intake passage 362, thereby preventing outside air from entering the inside of the bottle body 102. However, once the internal air pressure of the bottle body 102 has a tendency to be less than atmospheric pressure, the elastic airtight member 80 can be elastically deformed downward, so that outside air can enter the gap 31 through the air inlet hole 244 and the air intake groove 342. And can enter the inside of the bottle body 102 through the intake passage 362.
请参阅图8C，活塞缸30的底部中间开设有定位孔37和环绕在定位孔37周围的多个出油孔38。Referring to FIG. 8C, a positioning hole 37 and a plurality of oil outlet holes 38 surrounding the positioning hole 37 are opened in the middle of the bottom of the piston cylinder 30.
请参阅图9和图5，第一单向阀40外形构造大致呈“伞”状，其可由弹性材料制成。第一单向阀40包括定位杆42和位于定位杆42一端的弹性密封部44。定位杆42大致呈上粗下细的锥形。定位杆42靠近顶部的位置开始有与定位孔37相配合的卡槽422，因此可以将定位杆42***定位孔37中，并通过定位孔37的边缘与卡槽422的相互配合，从而将定位杆42固定于定位孔37中。弹性密封部44具有球冠的形状，其截面直径从顶部到底部逐渐增大。弹性密封部44覆盖在出油孔38的上方。在正常状态下，弹性密封部44能够阻止储油腔32中的液体通过出油孔38而进入瓶身102内部。但是，一旦瓶身102内部的压力大于储油腔32的压力，则弹性密封部44能够发生弹性变形，向上翻转，从而使得瓶身102内部液体能够通过出油孔38而进入到储油腔32中。Referring to Figures 9 and 5, the first one-way valve 40 has a generally "umbrella" configuration and may be made of an elastic material. The first one-way valve 40 includes a positioning rod 42 and an elastic seal 44 at one end of the positioning rod 42. The positioning rod 42 has a substantially thick and thin tapered shape. The position of the positioning rod 42 near the top begins with a locking slot 422 that cooperates with the positioning hole 37. Therefore, the positioning rod 42 can be inserted into the positioning hole 37, and the edge of the positioning hole 37 and the card slot 422 can cooperate with each other to position the positioning rod 42. The rod 42 is fixed in the positioning hole 37. The elastic sealing portion 44 has a shape of a spherical cap whose cross-sectional diameter gradually increases from the top to the bottom. The elastic sealing portion 44 covers the oil outlet hole 38. In the normal state, the elastic seal portion 44 can prevent the liquid in the oil reservoir 32 from entering the inside of the bottle body 102 through the oil outlet hole 38. However, once the pressure inside the bottle body 102 is greater than the pressure of the oil reservoir 32, the elastic sealing portion 44 can be elastically deformed and turned upside down, so that the liquid inside the bottle body 102 can enter the oil reservoir 32 through the oil outlet hole 38. in.
请参阅图10A，活塞50大致为圆柱形。活塞50可以在活塞缸30内沿轴向上下滑动，从而增大或缩小储油腔32的体积。活塞50的直径小于活塞缸30的内径。为了保证有效保证活塞50与活塞缸30之间的密封性，活塞50的外壁设有多条上下排布的向外突出的凸肋52，凸肋52与活塞缸30的内壁紧密接触。注液器200还包括收容于储油腔32内部的弹性件322（见图2、图6）。本实施例中，弹性件322为压缩弹簧，其一端与活塞缸30的底面相抵，另一端固定在凸肋52上。在其他的实施例中，弹性件322的另一端也可以与活塞50的底面相抵。Referring to Figure 10A, the piston 50 is generally cylindrical. The piston 50 can slide up and down in the axial direction within the piston cylinder 30 to increase or decrease the volume of the oil reservoir 32. The diameter of the piston 50 is smaller than the inner diameter of the piston cylinder 30. In order to ensure effective sealing between the piston 50 and the piston cylinder 30, the outer wall of the piston 50 is provided with a plurality of outwardly projecting ribs 52 projecting upwardly and downwardly, and the ribs 52 are in close contact with the inner wall of the piston cylinder 30. The injector 200 further includes an elastic member 322 (see FIGS. 2 and 6) housed inside the oil reservoir 32. In this embodiment, the elastic member 322 is a compression spring, one end of which is abutted against the bottom surface of the piston cylinder 30, and the other end is fixed to the rib 52. In other embodiments, the other end of the resilient member 322 may also abut the bottom surface of the piston 50.
请同时参阅图10B，活塞50的内部沿轴向形成有出油腔54。活塞50的底部还开设有与出油腔54相通的导油孔56。注液器200还包括设于出油腔54之内的第二单向阀55。本实施例中，第二单向阀55为活动设置于导油孔56上的密封球（见图3）。出油腔54的横截面的直径大致与密封球的直径相同，从而使得密封球始终位于导油孔56内或位于其正上方。如图3和图6所示，注液器200还包括收容于出油腔54内部的偏压件542。本实施例中，偏压件542为压缩弹簧，其一端抵压在密封球上，另一端与导液管60的底部相抵。在正常状态下，在偏压件542的弹力的作用下，密封球能够封堵导油孔56，因此能够阻止出油腔54的液体通过导油孔56而进入储油腔32中。但是，一旦储油腔32内的压力大于出油腔54的压力，偏压件542可被压缩，从而使得密封球可移动到导油孔56上方而不再封堵导油孔56，并使得储油腔32内的液体通过导油孔56而进入出油腔54中。为了更好地使得储油腔32内的液体进入出油腔54，出油腔54的内壁沿轴向开设有环绕导油孔56的多个圆弧状导液槽544。Referring to FIG. 10B at the same time, the inside of the piston 50 is formed with an oil discharge chamber 54 in the axial direction. An oil guiding hole 56 communicating with the oil discharge chamber 54 is also formed at the bottom of the piston 50. The injector 200 further includes a second one-way valve 55 disposed within the oil discharge chamber 54. In the present embodiment, the second one-way valve 55 is a sealing ball that is movably disposed on the oil guiding hole 56 (see FIG. 3). The diameter of the cross section of the oil discharge chamber 54 is substantially the same as the diameter of the sealing ball such that the sealing ball is always located within or directly above the oil guiding hole 56. As shown in FIGS. 3 and 6, the injector 200 further includes a biasing member 542 housed inside the oil discharge chamber 54. In this embodiment, the biasing member 542 is a compression spring having one end pressed against the sealing ball and the other end abutting against the bottom of the liquid guiding tube 60. Under normal conditions, the sealing ball can block the oil guiding hole 56 under the elastic force of the biasing member 542, so that the liquid of the oil discharging chamber 54 can be prevented from entering the oil storage chamber 32 through the oil guiding hole 56. However, once the pressure in the oil reservoir 32 is greater than the pressure of the oil outlet chamber 54, the biasing member 542 can be compressed such that the sealing ball can move over the oil guiding hole 56 without blocking the oil guiding hole 56, and The liquid in the oil reservoir 32 passes through the oil guiding hole 56 and enters the oil discharge chamber 54. In order to better allow the liquid in the oil storage chamber 32 to enter the oil discharge chamber 54, the inner wall of the oil discharge chamber 54 is provided with a plurality of arc-shaped liquid guiding grooves 544 surrounding the oil guiding holes 56 in the axial direction.
请参阅图11，导液管60大致为空心圆管，其包括长条形管体62和位于管体62一端的活塞盖64。管体62穿过壳体20的导孔242而延伸至壳体20的外部。管体62的内部沿轴向开设有与出油腔54相通的导液通道622（见图3）。活塞盖64的直径大于管体62的直径。活塞盖64套设并固定在活塞50上，从而共同形成出油腔54（见图3）。偏压件542的另一端与活塞盖64的台阶部642的内壁相抵（见图3）。为了进一步增强活塞盖64与活塞50之间的密封性，注液器200还包括设置于活塞50与活塞盖64之间的密封圈66（见图3和图6）。密封圈66可以为O型圈。可以理解，在其他实施例中，密封圈66也可省略。Referring to Figure 11, the catheter 60 is generally a hollow tube comprising an elongated tubular body 62 and a piston cap 64 at one end of the tubular body 62. The tubular body 62 extends through the guide hole 242 of the housing 20 to the outside of the housing 20. The inside of the tubular body 62 is axially opened with a liquid guiding passage 622 (see FIG. 3) communicating with the oil discharge chamber 54. The diameter of the piston cover 64 is larger than the diameter of the tubular body 62. The piston cover 64 is sleeved and fixed to the piston 50 to collectively form an oil chamber 54 (see Fig. 3). The other end of the biasing member 542 abuts against the inner wall of the stepped portion 642 of the piston cover 64 (see Fig. 3). To further enhance the seal between the piston cap 64 and the piston 50, the injector 200 further includes a seal ring 66 (see FIGS. 3 and 6) disposed between the piston 50 and the piston cap 64. The seal 66 can be an O-ring. It will be appreciated that in other embodiments, the seal ring 66 may also be omitted.
请参阅图2和图6，注液针70设置于导液管60的顶部，且部分***到管体62的导液通道622之内。注液针70内部开设有与导液通道622相通的注液孔72。可以理解，在其他实施例中，注液针70也可省略。Referring to FIGS. 2 and 6, the liquid injection needle 70 is disposed at the top of the catheter 60 and partially inserted into the catheter channel 622 of the tube body 62. A liquid injection hole 72 communicating with the liquid guiding passage 622 is opened inside the liquid injection needle 70. It will be appreciated that in other embodiments, the liquid injection needle 70 can also be omitted.
请再次参阅图2至图6，组装时，首先将弹性气密件80套设于活塞缸30底部的卡合槽39内，并将第一单向阀40***并固定于活塞缸30的定位孔37中。接下来将弹性件322放置于活塞缸30的储油腔32内部，并往活塞缸30中塞入活塞50。在往活塞50的内部的出油腔54中装填第二单向阀55后，装入偏压件542，使第二单向阀55封堵导油孔56，接下来将密封圈66套设在活塞50上，并将导液管60套设固定在活塞50上。往导液管60的导液通道622中***注液针70后，将壳体20套设固定在活塞缸30的外侧，并使得导液管60的管体62及注液针70伸入到壳体20的外部。最后通过瓶盖12将壳体20固定于瓶口部102，从而完成注液装置100的组装。Referring to FIG. 2 to FIG. 6 again, in the assembly, the elastic airtight member 80 is firstly sleeved in the engaging groove 39 at the bottom of the piston cylinder 30, and the first check valve 40 is inserted into and fixed to the positioning hole of the piston cylinder 30. 37. Next, the elastic member 322 is placed inside the oil reservoir 32 of the piston cylinder 30, and the piston 50 is inserted into the piston cylinder 30. After the second check valve 55 is loaded into the oil discharge chamber 54 inside the piston 50, the biasing member 542 is loaded, the second check valve 55 is blocked by the oil guiding hole 56, and then the sealing ring 66 is sleeved. On the piston 50, the catheter 60 is sleeved and fixed to the piston 50. After the injection needle 70 is inserted into the liquid guiding passage 622 of the catheter 60, the housing 20 is sleeved and fixed to the outside of the piston cylinder 30, and the tube body 62 and the liquid injection needle 70 of the catheter 60 are inserted into the catheter tube 60. The exterior of the housing 20. Finally, the housing 20 is fixed to the bottle mouth portion 102 by the cap 12, thereby completing the assembly of the liquid filling device 100.
请参阅图12A，在使用时，将注液针70***电子烟的液体腔（图未示），并对导液管60的顶端施加一定的压力，使其带动活塞50朝靠近瓶身102的方向运动时，活塞缸30内部的储油腔32的体积会缩小，里面的液体的压力会变大，弹性件322会处于被压缩的状态。此时，弹性密封部44能够封闭出油孔38，从而阻止储油腔32中的液体通过出油孔38而进入瓶身102内部。由于此时储油腔32内的压力大于出油腔54的压力，偏压件542会被压缩，从而使得第二单向阀55不再封堵导油孔56，并使得储油腔32内的液体通过导油孔56而进入出油腔54中，并进一步通过与出油腔54相连通的导液管60的导液通道622及注液针70的注液孔72而进入电子烟的内部。Referring to FIG. 12A, in use, the liquid injection needle 70 is inserted into the liquid chamber of the electronic cigarette (not shown), and a certain pressure is applied to the top end of the liquid guiding tube 60 to drive the piston 50 toward the bottle body 102. When the direction is moved, the volume of the oil reservoir 32 inside the piston cylinder 30 is reduced, the pressure of the liquid inside is increased, and the elastic member 322 is in a compressed state. At this time, the elastic sealing portion 44 can close the oil hole 38, thereby preventing the liquid in the oil reservoir 32 from entering the inside of the bottle body 102 through the oil outlet hole 38. Since the pressure in the oil reservoir 32 is greater than the pressure of the oil outlet chamber 54 at this time, the biasing member 542 is compressed, so that the second one-way valve 55 no longer blocks the oil guiding hole 56, and the oil reservoir chamber 32 is closed. The liquid enters the oil discharge chamber 54 through the oil guiding hole 56, and further enters the electronic cigarette through the liquid guiding passage 622 of the liquid guiding tube 60 and the liquid injection hole 72 of the liquid injection needle 70 communicating with the oil discharge chamber 54. internal.
请参阅图12B，当停止对导液管60的顶端施加压力时，在弹性件322的弹性回复力的作用下，活塞50将朝远离瓶身102的方向运动。此时，活塞缸30内部的储油腔32的体积会增大，压力将减小。在偏压件542的弹性回复力的作用下，第二单向阀55封堵导油孔56，从而避免出油腔54的液体继续通过导油孔56而进入储油腔32中。另外，由于此时的瓶身102的内部气压小于大气压，弹性气密件80将会向下发生弹性变形，从而使得外界空气可以通过进气孔244和进气槽342而进入到间隙31之内，并能通过进气通道362进入到瓶身102的内部。由于储油腔32的压力更加小于瓶身102内部的压力，弹性密封部44因此能够发生弹性变形，向上翻转，从而使得瓶身102内部液体能够通过出油孔38而进入到储油腔32中，从而完成一次注液循环。Referring to FIG. 12B, when the application of pressure to the tip end of the catheter 60 is stopped, the piston 50 will move away from the bottle body 102 under the elastic restoring force of the elastic member 322. At this time, the volume of the oil reservoir 32 inside the piston cylinder 30 is increased, and the pressure is reduced. Under the elastic restoring force of the biasing member 542, the second one-way valve 55 blocks the oil guiding hole 56, thereby preventing the liquid of the oil discharging chamber 54 from continuing to pass through the oil guiding hole 56 and entering the oil storage chamber 32. In addition, since the internal air pressure of the bottle body 102 at this time is less than atmospheric pressure, the elastic airtight member 80 will be elastically deformed downward, so that outside air can enter the gap 31 through the air inlet hole 244 and the air intake groove 342. And can enter the inside of the bottle body 102 through the intake passage 362. Since the pressure of the oil reservoir 32 is more than the pressure inside the bottle body 102, the elastic sealing portion 44 can be elastically deformed and turned upside down, so that the liquid inside the bottle body 102 can enter the oil reservoir 32 through the oil outlet hole 38. , thus completing a liquid injection cycle.
如上所述，在正常状态下，第二单向阀55能够封堵导油孔56，从而避免瓶身102中的液体从导液管60及注液针70中流出，达到良好的密封效果。另外，在上述注液的过程中，无论是瓶体中的烟液，还是电子烟中的烟液，都是全程与外界环境相隔绝，从而能够保证注液过程的相对安全性。As described above, in the normal state, the second check valve 55 can block the oil guiding hole 56, thereby preventing the liquid in the bottle body 102 from flowing out of the liquid guiding tube 60 and the liquid injecting needle 70, achieving a good sealing effect. In addition, during the above-mentioned liquid injection process, both the liquid smoke in the bottle body and the smoke liquid in the electronic cigarette are completely isolated from the external environment, thereby ensuring the relative safety of the liquid injection process.
可以理解，在其他的实施例中，如果手动对导液管60施加拉力或推力，则弹性件322、偏压件542也可省略。另外，第一单向阀40、第二单向阀55也不限于上述实施例所介绍的形态，只要是能够实现液体单向进出的装置，都属于本文公开的范围之内。It can be understood that in other embodiments, if a pulling force or a pushing force is manually applied to the liquid guiding tube 60, the elastic member 322 and the biasing member 542 may also be omitted. Further, the first check valve 40 and the second check valve 55 are not limited to the embodiment described in the above embodiment, and any device capable of achieving one-way entry and exit of the liquid is within the scope of the present disclosure.
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。The technical features of the above-described embodiments may be arbitrarily combined. For the sake of brevity of description, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be considered as the scope of this manual.
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。The above-described embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims (14)

  1. 一种注液装置，其特征在于，包括：A liquid injection device, comprising:
    瓶体，包括用于容纳液体的瓶身和位于所述瓶身顶部的瓶口部；a bottle body comprising a bottle body for containing a liquid and a mouth portion at the top of the bottle body;
    注液器，包括：Injector, including:
    壳体，固定设置在所述瓶口部之内；a housing fixedly disposed within the mouth of the bottle;
    活塞缸，固定设置于所述壳体之内，所述活塞缸内形成储油腔，所述瓶身中的液体通过设置在该活塞缸内的第一单向阀进入所述储油腔；a piston cylinder fixedly disposed in the housing, an oil reservoir is formed in the piston cylinder, and the liquid in the bottle body enters the oil storage chamber through a first one-way valve disposed in the piston cylinder;
    活塞，活动设置于所述活塞缸内，所述活塞内部形成出油腔，所述储油腔内的液体通过设置在所述活塞内的第二单向阀进入所述出油腔；及a piston disposed in the piston cylinder, the piston internally forming an oil chamber, and the liquid in the oil reservoir enters the oil outlet chamber through a second one-way valve disposed in the piston;
    导液管，所述导液管的一端与所述活塞固定相连，所述导液管的另一端延伸至所述壳体外部，所述导液管内开设有与所述出油腔相通的导液通道。a liquid guiding tube, one end of the liquid guiding tube is fixedly connected to the piston, the other end of the liquid guiding tube extends to the outside of the housing, and the liquid guiding tube is provided with a guiding line communicating with the oil discharging chamber Liquid channel.
  2. 根据权利要求1所述的注液装置，其特征在于，还包括设置于所述导液管的顶部的注液针，所述注液针内部开设有与所述导液通道相通的注液孔。The liquid injection device according to claim 1, further comprising a liquid injection needle disposed at a top of the liquid guiding tube, wherein the liquid injection needle is internally provided with a liquid injection hole communicating with the liquid guiding channel .
  3. 根据权利要求1所述的注液装置，其特征在于，所述活塞缸的底部设有出油孔，所述第一单向阀包括覆盖于所述出油孔上的弹性密封部，其中所述活塞朝远离所述瓶身的方向运动时，所述瓶身中的液体通过所述出油孔并越过所述弹性密封部进入所述储油腔；所述活塞朝靠近所述瓶身的方向运动时，所述弹性密封部堵塞所述出油孔，以阻止所述液体从所述储油腔返回所述瓶身中。The liquid filling device according to claim 1, wherein a bottom of the piston cylinder is provided with an oil outlet, and the first one-way valve comprises an elastic sealing portion covering the oil outlet hole, wherein When the piston moves away from the bottle body, the liquid in the bottle body passes through the oil outlet hole and passes through the elastic sealing portion into the oil reservoir; the piston faces the bottle body The elastic seal blocks the oil outlet when moving in direction to prevent the liquid from returning from the oil reservoir to the bottle body.
  4. 根据权利要求3所述的注液装置，其特征在于，所述活塞缸的底部还设有定位孔，所述出油孔的数量为多个，多个所述出油孔环绕在所述定位孔的周围，所述弹性密封部具有球冠的形状，所述第一单向阀还包括与所述弹性密封部的中部相连的定位杆，所述定位杆***并固定于所述定位孔中。The liquid filling device according to claim 3, wherein the bottom of the piston cylinder is further provided with a positioning hole, the number of the oil outlet holes is plural, and the plurality of oil outlet holes surround the positioning The elastic sealing portion has a shape of a spherical cap around the hole, and the first one-way valve further includes a positioning rod connected to a middle portion of the elastic sealing portion, the positioning rod is inserted and fixed in the positioning hole .
  5. 根据权利要求1所述的注液装置，其特征在于，还包括收容于所述储油腔内部的弹性件，所述弹性件一端固定在所述活塞缸上，所述弹性件另一端与所述活塞缸的底部相抵。The liquid filling device according to claim 1, further comprising an elastic member housed inside the oil storage chamber, wherein one end of the elastic member is fixed on the piston cylinder, and the other end of the elastic member is The bottom of the piston cylinder is offset.
  6. 根据权利要求5所述的注液装置，其特征在于，所述活塞的外壁设有多条向外突出的凸肋，所述凸肋与所述活塞缸的内壁紧密接触，所述弹性件的一端固定在所述凸肋上。The liquid filling device according to claim 5, wherein the outer wall of the piston is provided with a plurality of outwardly projecting ribs, the ribs are in close contact with the inner wall of the piston cylinder, and the elastic member One end is fixed to the rib.
  7. 根据权利要求1所述的注液装置，其特征在于，所述活塞的底部开设有导油孔，所述第二单向阀为活动设置于所述导油孔的密封球，其中所述活塞朝靠近所述瓶身的方向运动时，所述储油腔中的液体通过所述导油孔并越过所述密封球进入所述出油腔；所述活塞朝靠近所述瓶身的方向运动时，所述密封球堵塞所述导油孔，以阻止所述液体从所述出油腔返回所述储油腔。The liquid filling device according to claim 1, wherein the bottom of the piston is provided with an oil guiding hole, and the second one-way valve is a sealing ball that is movably disposed on the oil guiding hole, wherein the piston When moving toward the bottle body, liquid in the oil reservoir passes through the oil guiding hole and passes through the sealing ball into the oil discharge chamber; the piston moves toward the bottle body The sealing ball blocks the oil guiding hole to prevent the liquid from returning from the oil discharge chamber to the oil storage chamber.
  8. 根据权利要求7所述的注液装置，其特征在于，还包括收容于所述出油腔内部的偏压件，所述偏压件的一端抵压在所述密封球上，另一端与所述导液管的底部相抵。The liquid filling device according to claim 7, further comprising a biasing member received inside the oil discharge chamber, wherein one end of the biasing member is pressed against the sealing ball, and the other end is The bottom of the liquid guiding tube is offset.
  9. 根据权利要求7所述的注液装置，其特征在于，所述出油腔的内壁开设有环绕所述导油孔的多个圆弧状导液槽。The liquid filling device according to claim 7, wherein the inner wall of the oil discharge chamber is provided with a plurality of arc-shaped liquid guiding grooves surrounding the oil guiding hole.
  10. 根据权利要求1所述的注液装置，其特征在于，所述壳体的顶部开设有进气孔，所述活塞缸的外壁与所述壳体的内壁之间形成与所述进气孔相通的间隙，所述注液装置还包括设于所述活塞缸底端的弹性气密件，其中所述活塞朝靠近所述瓶身的方向运动时，外界空气依次通过所述进气孔、所述间隙及所述弹性气密件而进入所述瓶身内部；所述活塞朝靠近所述瓶身的方向运动时，所述弹性气密件阻止空气从所述瓶身内部返回所述间隙。The liquid filling device according to claim 1, wherein a top of the casing is provided with an air inlet hole, and an outer wall of the piston cylinder and an inner wall of the casing are formed to communicate with the air inlet hole. The gap filling device further includes an elastic airtight member disposed at a bottom end of the piston cylinder, wherein when the piston moves toward a direction of the bottle body, outside air sequentially passes through the air inlet hole and the gap And the elastic airtight member enters the inside of the bottle body; the elastic airtight member prevents air from returning to the gap from the inside of the bottle body when the piston moves in a direction close to the bottle body.
  11. 根据权利要求10所述的注液装置，其特征在于，所述活塞缸的顶部设有用于与壳体的内壁相接触的定位环，所述定位环上开设有进气槽，所述活塞缸靠近底部的外壁设有用于与壳体的内壁相接触的定位套，所述定位套上开设有与所述进气槽相对应的进气通道。The liquid filling device according to claim 10, wherein a top of the piston cylinder is provided with a positioning ring for contacting an inner wall of the casing, and the positioning ring is provided with an air inlet groove, the piston cylinder An outer wall adjacent to the bottom is provided with a positioning sleeve for contacting the inner wall of the housing, and the positioning sleeve is provided with an intake passage corresponding to the air inlet groove.
  12. 根据权利要求10所述的注液装置，其特征在于，所述活塞缸的底端开设有环形的卡合槽，所述弹性气密件套设在所述卡合槽内，所述弹性气密件为碟形，且所述弹性气密件的外边缘朝靠近所述瓶身的方向倾斜。The liquid filling device according to claim 10, wherein the bottom end of the piston cylinder is provided with an annular engaging groove, and the elastic airtight member is sleeved in the engaging groove, the elastic airtight member It is in the shape of a dish, and the outer edge of the elastic airtight member is inclined toward the bottle body.
  13. 根据权利要求1所述的注液装置，其特征在于，还包括具有开孔的瓶盖，所述壳体通过所述瓶盖固定设置于所述瓶口部之内，所述导液管穿过所述开孔外露。The liquid filling device according to claim 1, further comprising a bottle cap having an opening, the casing being fixedly disposed in the bottle mouth portion through the bottle cap, the liquid guiding tube being worn Exposed through the opening.
  14. 根据权利要求1所述的注液装置，其特征在于，还包括设置于所述活塞与所述导液管之间的密封圈。The liquid filling device according to claim 1, further comprising a seal ring disposed between the piston and the liquid guiding tube.
PCT/CN2016/080285 2016-04-26 2016-04-26 Liquid injection apparatus WO2017185242A1 (en)

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CN116025340A (en) * 2023-02-28 2023-04-28 江苏和信石油机械有限公司 Pressure sensor for monitoring air pressure under oil well

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