CN208943128U - A kind of quantitative sprayer - Google Patents

Abstract

The utility model relates to sprayer art more particularly to a kind of quantitative sprayers, the difference is that: it includes cavity, connecting tube, elastic sack body, pump-up device and sprays switch；Partition is equipped in the cavity body body, partition separation chamber forms upper chamber and lower chambers, and epicoele building volume is greater than lower chambers, and the lower chambers are the quantitative chamber below upper chamber, and upper chamber is equipped with liquid injection port；The partition is equipped with feed liquor through-hole, and feed liquor through-hole is connected to upper chamber and lower chambers, and feed liquor through-hole is equipped with the control valve for controlling the on-off of upper chamber and lower chambers；Lower chambers bottom end is equipped with bottom plate, and elastic sack body is located at below bottom plate, and connecting tube input end fits in plate upper surface, and connecting tube outlet end is equipped with the nozzle sprayed for liquid；Connecting tube is equipped with the ejection for controlling connecting tube on-off and switchs；Pump-up device is connected to lower chambers.The utility model quantifies medical fluid, and structure is simple, and single bottle liquid volume is big, and the medical fluid that can carry out fixed quantity sprays, and it is less that drug adds number.

Description

A kind of quantitative sprayer

Technical field

The utility model relates to sprayer art more particularly to a kind of quantitative sprayers.

Background technique

Xerostomia is a kind of oral cavity subjective symptoms as caused by many factors, when the rate of salivary secretion is less than mucous membrane of mouth When the sum of the rate that the rate and saliva for absorbing saliva are evaporated, it will feel dry, as long as patient is chief complaint with dry, can examine It is disconnected.The illness rate of xerostomia is about 5.5%~46%, and illness rate increases with the age and increased, to the speaking of patient, nozzle It chews, swallow and artificial tooth wearing all has a certain impact, and true property dry will lead to the sense of taste and change, be rampant dental caries in oral cavity, true Bacterium infection, the generation of halitosis and bright mouth syndrome.Effective treatment and nursing and interfering, to reduce complication caused by xerostomia, Increase patient's subjective comfort, raising patient satisfaction plays a crucial role.Domestic and international research has shown that spray is ruled by law Treatment xerostomia effect dips in water-wet profit patient's lip better than cotton swab, and the wet lip effect of 2ml is best by spraying every time.

But current spray can only be controlled by pressing the time, since its internal pressure can be gradually when in use for spray It is lower, dose control is unsatisfactory.

In consideration of it, how to accomplish can be to the liquid medicine quantitative and raising sprayer single bottle medicine of injection to overcome drawbacks described above Liquid measure becomes this field urgent problem to be solved.

Summary of the invention

The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of metered injection device, carries out to medical fluid Quantitative, structure is simple, and single bottle liquid volume is big, and the medical fluid that can carry out fixed quantity sprays, and it is less that drug adds number.

In order to solve the above technical problems, the technical solution of the utility model are as follows: a kind of metered injection device, difference exist In: it includes cavity, connecting tube, elastic sack body, pump-up device and sprays switch；

Partition is equipped in the cavity, partition separation chamber forms upper chamber and lower chambers, and epicoele building volume is greater than cavity of resorption Room, the lower chambers are the quantitative chamber below upper chamber, and upper chamber is equipped with liquid injection port；

The partition is equipped with feed liquor through-hole, and feed liquor through-hole is connected to upper chamber and lower chambers, and feed liquor through-hole is equipped with for controlling The control valve of the on-off of upper chamber and lower chambers；

Lower chambers bottom end is equipped with bottom plate, and elastic sack body is located at below bottom plate, and rebound chamber is formed between elastic sack body and bottom plate, The bottom plate is equipped with connection through-hole, the rebound chamber of connection through-hole connection lower chamber and elastic sack body；

Connecting tube input end fits in plate upper surface, and connecting tube outlet end is located on the outside of cavity, the connecting tube outlet End is equipped with the nozzle sprayed for liquid；

The connecting tube is equipped with the ejection for controlling connecting tube on-off and switchs；

The elastic sack body open end is connected to bottom base plate and corresponds to the connection through-hole；

The pump-up device is connected to lower chambers, and pump-up device is used to inject air to lower chambers and forms high pressure.

By above scheme, the sprayer further includes bottom case, and the bottom case is connected in lower chambers bottom and bottom plate forms and holds Receive and protect the cavity of elastic sack body；Preferably, the bottom case is the bowl structure of opening upwards, and upper edge is connected in cavity of resorption The edge of room bottom end bottom plate；The inner wall and bottom of elastic sack body outer surface and bottom case have certain interval, and the setting of bottom case makes bullet Property balloon inflation when will not it is exposed outside, have aesthetics, protect elastic sack body；Meanwhile also facilitating the installation of reset spring.

By above scheme, it is equipped on the inside of the bottom case towards elastic sack body bottom and is squeezed into for intracavity liquid will to be sprung back The reset spring of lower chambers, reset spring can be replaced the rebound part of other forms；Medical fluid quilt in lower chambers and elastic sack body When ejection, reset spring pushes back elastic sack body completely to fitting lower surface of base plate, the medical fluid in elastic sack body is discharged, bullet Property utricule can accurately reset, if reset is incorrect, quantitative volume is also inaccuracy, therefore the setting of reset spring Improve the precision of liquid medicine quantitative.

By above scheme, the elastic sack body is the rubber membrane for being connected to bottom base plate；When lower chambers pressurization, rubber membrane Expansion is in the bowl structure of opening upwards outward；When lower chambers pressure release, the rubber membrane spring that is reset pushes back completely, rubber membrane patch Close lower surface of base plate；Elastic sack body structure is simple, is easy to implement enhancing of the above-mentioned pump-up device to bottom chamber pressure.

By above scheme, horizontal push plate is additionally provided with above the reset spring, horizontal push plate edge is equipped with annular sleeve, the annular It is socketed on bottom case inner sidewall；When lower chambers pressure release, horizontal push plate and annular sleeve make elastic sack body conform to bottom plate by complete extruding, Further improve liquid medicine quantitative precision.

By above scheme, the connection number of openings is multiple and is uniformly distributed；The connection through-hole is located at bullet on bottom plate Corresponding position within the scope of property bladder aperture；It connects through-hole and connects lower chambers and elastic sack body, quantity is multiple and be uniformly distributed can To improve exchange velocity of the medical fluid between lower chambers and elastic sack body, the influence of bottom plate speed caused by it is greatly reduced.

By above scheme, the control valve includes spool, valve rod, pull ring；The valve rod axially penetrates through upper chamber, the valve Bar upper end is pierced by upper chamber and connect with pull ring, and the valve rod lower end is arranged in feed liquor through-hole, and the spool is located at bottom chamber And valve rod lower end is connected to for controlling the opening and closing of feed liquor through-hole；Under natural conditions, spool is that feed liquor through-hole is closed, is needed When opening feed liquor through-hole is connected to upper chamber with lower chambers, pull ring need to be only pressed down on, valve rod band movable valve plug moves down, Spool does not contact feed liquor through-hole, and feed liquor through-hole is opened；Valve arrangement is controlled simply and convenient for operation.

By above scheme, the hose of the connecting tube sprayed at switch for rubber material；Upper chamber top center Protrusion forms upper chamber protrusion, and the connecting tube close to outlet end is axially located at upper chamber protrusion；The ejection switch includes pressing Portion and contact portion, the press section horizontal cross be set to upper chamber protrusion in and one end be pierced by upper chamber's protrusion side wall formation by Pressure side, the horizontal longitudinal direction of the contact portion is located in upper chamber protrusion and one end is connected to the press section other end, the contact portion Between upper chamber's protrusion inner wall and connecting tube；Spray switch nature when, contact portion is pressed on hose, hose with Nozzle disconnects；When pressing sprays switch, press section drives contact portion mobile to separate hose one end, and hose is connected to nozzle；It is soft Pipe can be rubber material or soft plastic material；Preferably, the hose is rubber material；Hose facilitates pressing to spray switch Its on-off is controlled, whether is connected to for realizing between lower chambers and nozzle；Spray switch only need to press ejection end can make it is soft Pipe is not compressed by contact portion, and hose realizes the connection between lower chambers and nozzle to realize medical liquid spraying, and structure is simple and grasps Facilitate.

By above scheme, the nozzle end, which is equipped with, makes to spray medical fluid atomizer fog-like；Atomizer makes medical fluid in mist Shape, misty medicine liquid spray more evenly, therapeutic effect it is good.

The spy lamp for illuminating eject position is equipped with by above scheme, at the nozzle；It visits lamp and improves eject position Accuracy.

Compare the prior art, the beneficial features of the utility model are as follows:

One, the upper chamber of the utility model is used for quantitative liquid medicine, can be made by control valve for storing medical fluid, lower chambers Medical fluid in upper chamber enters lower chambers, and pump-up device has been implemented in combination under with the elastic sack body for being connected to lower chambers bottom The pressurization of chamber Chinese medicine liquid, when injection, need to only press ejection switch can be such that medical fluid sprays；The utility model structure is simple, square Just it realizes and easy to operate, top chamber volumes are larger to solve the problems, such as that single bottle liquid volume is lower for storing medical fluid, extends disease Suffer from and use the time, be not easy to be finished, reduces expense；Lower chambers realize liquid medicine quantitative, and patient is made to quantify medication, and it is accurate to improve administration Property, liquid waste is avoided while enhancing therapeutic effect；

Two, pump-up device and elastic sack body cooperation are pressurized lower chambers, when pressure release, spray the medical fluid in lower chambers rapidly It penetrates, improves the jet velocity of medical fluid；When cavity of resorption chamber pressure is larger, injection pressure is bigger, and the spray distance of medical fluid is farther, sprays Position is easier to control, practical.

The atomizer in the utility model is mainly still directed to the oral aerosolized medication of clinical patient, while the structure at present It can be used for spraying needed for the occasion that other drugs quantitatively spray, such as chemical industry processing.

Detailed description of the invention

Fig. 1 is the utility model embodiment structural schematic diagram；

Fig. 2 is that the structural schematic diagram of switch under natural conditions is sprayed in the utility model embodiment；

Fig. 3 is the structural schematic diagram sprayed when switch is pressed in the utility model embodiment.

Appended drawing reference: 1, cavity；101, upper chamber；1011, liquid injection port；102, lower chambers；103, partition；1031, feed liquor Through-hole；1032, go out fluid through-hole；104, bottom plate；1041, through-hole is connected；105, control valve；1051, spool；1052, valve rod； 1053, pull ring；106, connecting tube；107, nozzle；108, switch is sprayed；1081, press section；1082, contact portion；2, elastomeric bladder Body；3, pump-up device；4, reset spring；401, horizontal push plate；402, annular sleeve；5, bottom case.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to the accompanying drawing and specifically Embodiment is described in further detail the utility model.It should be appreciated that specific embodiment described herein is only used to solve The utility model is released, is not used to limit the utility model.

Hereinafter, many aspects of the utility model will be more fully understood with reference to attached drawing.Component in attached drawing may not It is drawn to scale.Alternatively, it is preferred that emphasis is clearly demonstrate the component of the utility model.In addition, several views in the accompanying drawings In figure, identical appended drawing reference indicates corresponding part.

Word " exemplary " as used herein or " illustrative " expression are used as example, example or explanation.It retouches herein Stating any embodiment for " exemplary " or " illustrative " to be not necessarily to be construed as is preferred relative to other embodiment or has Benefit.All embodiments described below are illustrative embodiments, and providing these illustrative embodiments is to make Those skilled in the art are obtained to make and use embodiment of the disclosure and be expected to be not intended to limit the scope of the present disclosure, the disclosure Range is defined by the claims.In other embodiments, well known feature and method is described in detail so as not to obscure this Utility model.For purpose described herein, term " on ", "lower", "left", "right", "front", "rear", "vertical", "horizontal" and Its derivative words is related by the utility model oriented with such as Fig. 1.Moreover, have no intent to by above technical field, background technique, Any theoretical limitation expressed or implied provided in summary of the invention or detailed description below.It should also be clear that being shown in the accompanying drawings It is that the utility model limited in the following claims is conceived with specific device described in following discussion book and process Simple examples embodiment.Therefore, specific size relevant to presently disclosed embodiment and other physical features should not be by It is construed as limiting, unless claims are separately clearly stated.

Fig. 1 to Fig. 3 is please referred to, the utility model is a kind of quantitative sprayer comprising cavity 1, connecting tube 106, elasticity Utricule 2, sprays switch 108 and bottom case 5 at pump-up device 3.

Partition 103 is equipped in the cavity 1 of the utility model, 103 separation chamber 1 of partition forms upper chamber 101 and lower chambers 102, upper chamber 101 quantifies for storing medical fluid, lower chambers 102 for medical fluid, and 101 volume of upper chamber is greater than lower chambers 102, The lower chambers 102 are the quantitative chamber positioned at 101 lower section of upper chamber；Upper chamber 101 is equipped with liquid injection port 1011, liquid injection port 1011 It is equipped with end cap, end cap can be to be threadedly coupled with liquid injection port 1011, and end cap is opened in fluid injection；Partition 103 is set to upper chamber Between 101 and lower chambers 102, partition 103 is equipped with feed liquor through-hole 1031, and feed liquor through-hole 1031 is connected to upper chamber 101 and lower chambers 102, feed liquor through-hole 1031 is equipped with the control valve for controlling the on-off of upper chamber 101 and lower chambers 102, and the utility model is implemented In example, control valve 105 includes spool 1051, valve rod 1052, pull ring 1053；Valve rod 1052 axially penetrates through upper chamber 101, valve rod 1052 upper ends are pierced by upper chamber 101 and connect with pull ring 1053, and 1052 lower end of valve rod is arranged in feed liquor through-hole 1031, spool 1051 In lower chambers 102 and 1052 lower end of valve rod is connected to for controlling the opening and closing of feed liquor through-hole 1031, nature bottom spool 1051 be closing upper and lower cavity, and when pushing pull ring 1053, spool 1051 is opened, and 101 medical fluid of upper chamber flows to lower chambers 102, that The medical fluid of the inside of lower chambers 102 be exactly it is quantitative, measure identical as the volume of lower chambers 102；Pump-up device 3 and lower chambers 102 connections, pump-up device 3 are used to inject air to lower chambers 102 and form high pressure.

102 bottom end of lower chambers is equipped with bottom plate 104, and elastic sack body 2 is located at 104 lower section of bottom plate, elastic sack body 2 and bottom plate 104 Between formed rebound chamber, 2 open end of elastic sack body be connected to 104 bottom of bottom plate and correspond to the connection through-hole, the bottom plate 104 are equipped with connection through-hole 1041, and connection through-hole 1041 is connected to the rebound chamber of lower chamber 1 and elastic sack body 2；Connect through-hole 1041 Quantity is multiple and is uniformly distributed that connecting tube 106 is axial to be arranged and pass through the outlet end mouth 1032 on partition 103, connecting tube 106 Input end fits in 104 upper surface of bottom plate, and 106 outlet end of connecting tube is located at 1 outside of cavity, and 106 outlet end of connecting tube is set There is the nozzle 107 sprayed for liquid；The connecting tube 106 is equipped with the ejection switch 108 for controlling 106 on-off of connecting tube； The hose of connecting tube 106 sprayed at switch 108 for rubber material；It protrudes to form upper chamber in the 101 top center of upper chamber Protrusion, the connecting tube 106 close to outlet end are axial positioned at upper chamber protrusion；Referring to figs. 2 and 3, in the utility model embodiment, Spraying switch 108 includes press section 1081 and contact portion 1082, and 1081 horizontal cross of press section is set in upper chamber protrusion And one end is pierced by upper chamber's protrusion side wall and forms press-side, the contact portion 1082 it is horizontal it is longitudinal be located in upper chamber protrusion and One end is connected to 1081 other end of press section, and the contact portion 1082 is located between upper chamber's protrusion inner wall and connecting tube 106； When spraying switch (108) nature, contact portion (1082) is pressed on hose, and hose and nozzle (107) disconnect；Pressing sprays When switching (108), press section (1081) drive contact portion (1082) to far from the movement of hose one end, and hose and nozzle (107) are even It is logical.In order to improve the uniformity of medical liquid spraying, 107 end of nozzle is equipped with the atomizer for keeping ejection medical fluid fog-like and (does not show in figure Out)；In order to improve the accuracy of medical liquid spraying, the spy lamp (not shown) for illuminating eject position is equipped at nozzle 107.

Bottom case 5 is connected in 102 bottom of lower chambers and bottom plate 104 forms the cavity for accommodating and protecting elastic sack body 2, bottom case 5 Inside is equipped with the reset spring 4 for being squeezed into lower chambers 102 for that will spring back intracavity liquid, this reality towards 2 bottom of elastic sack body With in new embodiment, elastic sack body 2 is the rubber membrane for being connected to 104 bottom of bottom plate；Bottom case 5 will not be naked when making rubber membrane swelling It exposes outside, increases aesthetics, meanwhile, the reset spring 4 of 5 bottom side of bottom case enables rubber membrane accurately to reset when resetting, and mentions The quantitative accuracy of high lower chambers 102.Pump-up device 3 is located at 102 outside of lower chambers and is connected to lower chambers 102 for cavity of resorption Medical fluid in room 102 inflates pressurization；When operational pump device 3 is inflated to lower chambers 102, rubber membrane expand outward in opening to On bowl structure, when medical fluid needs to spray, 102 pressure release of lower chambers, by spray switch 108, ejection switch 108 open, wink Between pressure release, the drive of reset spring 4 be bulldozed plate 401 and annular sleeve 402 (socket of 402 edge of annular sleeve be resisted against 5 inner wall of bottom case allow it is flat Push plate 401 being capable of activity straight up and down) push back rubber membrane completely, the medical fluid and gas in rubber membrane are fully drained, Rubber membrane fits to 104 lower surface of bottom plate, medical fluid drive air out of nozzle 107 splash and go out.

The usage mode of the utility model are as follows: medical fluid is injected upper chamber 101 by the liquid injection port 1011 for opening upper chamber 101 Rear enclosed liquid injection port 1011；It presses down on pull ring 1053 and feed liquor through-hole 1031 is closed by the drive of valve rod 1052 under natural conditions Spool 1051 moves down, and feed liquor through-hole 1031 is opened, and the medical fluid in upper chamber 101 flows into lower chambers 102, lower chambers at this time Medical fluid in 102 is quantified, the volume of volume, that is, lower chambers 102 of medical fluid；By pressing pump-up device 3, by extraneous gas Throw lower chambers 102 into, while lower chambers 102 are pressurizeed, rubber membrane just expands outward；Liquid medicine jet is carried out after the completion of pressurization It penetrates, pressing is needed to compress the ejection switch 108 of hose under natural conditions at this time, spray switch 108 and press, hose is released, cavity of resorption Room 102 and rubber membrane moment pressure release, all medical fluids drive air by hose from nozzle 107 in lower chambers 102 and rubber membrane It is interior fog-like spouting, complete the quantitative medication of patient.

The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, all should be considered as belonging to In the protection scope of the utility model.

Claims (10)

1. a kind of quantitative sprayer, it is characterised in that: it includes cavity (1), connecting tube (106), elastic sack body (2), dress of inflating It sets (3) and sprays switch (108)；

Partition (103) are equipped in the cavity (1), partition (103) separation chamber (1) forms upper chamber (101) and lower chambers (102), upper chamber's (101) volume is greater than lower chambers (102), and the lower chambers (102) are to determine below upper chamber (101) Chamber is measured, upper chamber (101) is equipped with liquid injection port (1011)；

The partition (103) is equipped with feed liquor through-hole (1031), and feed liquor through-hole (1031) is connected to upper chamber (101) and lower chambers (102), feed liquor through-hole (1031) is equipped with the control valve (105) for controlling the on-off of upper chamber (101) and lower chambers (102)；

Lower chambers (102) bottom end is equipped with bottom plate (104), and elastic sack body (2) is located at below bottom plate (104), elastic sack body (2) and bottom Rebound chamber is formed between plate (104), the bottom plate (104) is equipped with connection through-hole (1041), and connection through-hole (1041) is connected to cavity of resorption The rebound chamber of body (1) and elastic sack body (2)；

Connecting tube (106) input end fits in bottom plate (104) upper surface, and connecting tube (106) outlet end is located on the outside of cavity (1), Connecting tube (106) outlet end is equipped with the nozzle (107) sprayed for liquid；

The connecting tube (106) is equipped with the ejection for controlling connecting tube (106) on-off and switchs (108)；

Elastic sack body (2) open end is connected to bottom plate (104) bottom and corresponds to the connection through-hole (1041)；

The pump-up device (3) is connected to lower chambers (102), and pump-up device (3) is used for lower chambers (102) injection air and shape At high pressure.

2. quantitative sprayer according to claim 1, it is characterised in that: the sprayer further includes bottom case (5), the bottom Shell (5) is connected in lower chambers (102) bottom and bottom plate (104) form the cavity for accommodating and protecting elastic sack body (2).

3. quantitative sprayer according to claim 2, it is characterised in that: towards elastic sack body (2) on the inside of the bottom case (5) Bottom is equipped with for that will spring back the reset spring (4) that intracavity liquid is squeezed into lower chambers (102).

4. quantitative sprayer according to claim 3, it is characterised in that: the elastic sack body (2) is to be connected to bottom plate (104) rubber membrane of bottom；When lower chambers (102) pressurization, rubber membrane expands the bowl structure in opening upwards outward；Instantly When chamber (102) pressure release, the rubber membrane spring (4) that is reset pushes back completely, and rubber membrane fits to bottom plate (104) lower surface.

5. quantitative sprayer according to claim 4, it is characterised in that: be additionally provided with above the reset spring (4) flat-pushing Plate (401), horizontal push plate (401) edge are equipped with annular sleeve (402), and the annular sleeve (402) is socketed on bottom case (5) inner sidewall.

6. quantitative sprayer according to claim 1, it is characterised in that: connection through-hole (1041) quantity be it is multiple and It is uniformly distributed.

7. quantitative sprayer according to claim 1, it is characterised in that: the control valve (105) include spool (1051), Valve rod (1052), pull ring (1053)；The valve rod (1052) axially penetrates through upper chamber (101), and valve rod (1052) upper end is worn It upper chamber (101) and is connect out with pull ring (1053), valve rod (1052) lower end is arranged in feed liquor through-hole (1031), the valve Core (1051) is located in lower chambers (102) and is connected to valve rod (1052) lower end for controlling the opening and closing of feed liquor through-hole (1031).

8. quantitative sprayer according to claim 1, it is characterised in that: the ejection of the connecting tube (106) switchs (108) Place is the hose of rubber material；Upper chamber (101) the top center protrudes to form upper chamber protrusion, the connection close to outlet end It manages (106) and is axially located at upper chamber protrusion；The ejection switch (108) includes press section (1081) and contact portion (1082), institute Press section (1081) horizontal cross is stated in upper chamber protrusion and one end is pierced by upper chamber's protrusion side wall and forms press-side, institute The horizontal longitudinal direction of contact portion (1082) is stated in upper chamber protrusion and one end is connected to press section (1081) other end, it is described to connect Contact portion (1082) is located between upper chamber's protrusion inner wall and connecting tube (106)；

When spraying switch (108) nature, contact portion (1082) is pressed on hose, and hose and nozzle (107) disconnect；

When pressing sprays switch (108), press section (1081) drive contact portion (1082) to mobile, the hose far from hose one end It is connected to nozzle (107).

9. quantitative sprayer according to claim 1, it is characterised in that: nozzle (107) end, which is equipped with, to be made to spray medicine Liquid atomizer fog-like.

10. quantitative sprayer according to claim 1, it is characterised in that: be equipped at the nozzle (107) for illuminating spray Penetrate the spy lamp of position.