CN207748316U - A kind of cigarette filter aromatic liquid substance charging point - Google Patents

Abstract

The utility model discloses a kind of cigarette filter aromatic liquid substance charging point, including cylinder, push type liquid pump and filler pipe, cylinder defines the chamber of at least one end open, and chamber is for accommodating aromatic liquid substance；Loaded on opening, there is push type liquid pump push type liquid pump inner cavity, inlet, liquid outlet and press section, press section can be moved reducing cavity volume between increased position；The rear end of filler pipe is connected with liquid outlet, and front end can be inserted into cigarette filter, during driving press section to be moved toward the direction of inner cavity smaller volume, can pump out the aromatic liquid substance for having been enter into inner cavity from liquid outlet, and flows into filter tip through filler pipe；During unclamping press section so that press section is moved toward the increased direction of cavity volume, the indoor aromatic liquid substance of chamber flows into inner cavity through inlet.The utility model can be as needed toward the aromatic liquid substance of odor type and dosage needed for cigarette filter filling.

Description

A kind of cigarette filter aromatic liquid substance charging point

Technical field

The utility model is related to cigarette filter aromatic liquid substance adding technique field, more particularly to a kind of cigarette filters Mouth aromatic liquid substance charging point.

Background technology

It can be wrapped up in the filter tip of some high-grade cigarettes on the market at present one or more small filled with liquid spice Glue bead（It is commonly called as quick-fried pearl）.Before smoking, apply external force in filter tip peripheral wall（As finger presses the peripheral wall of filter tip）It can destroy small Glue bead, and the fragrance being filled in small glue bead is made to flow out in filter tip, to strengthen fragrance or characteristic during sucking.

But since the fragrance glue bead in current filter tip is that manufacturer is embedded to by special technique in the fabrication process In filter tip, therefore user can not select the odor type or dosage of fragrance.

Utility model content

The main purpose of the utility model is to propose a kind of cigarette filter aromatic liquid substance charging point, it is intended to for user As needed toward the aromatic liquid substance of odor type and dosage needed for cigarette filter filling.

To achieve the above object, the utility model proposes a kind of cigarette filter aromatic liquid substance charging points, including：

Cylinder, the cylinder define the chamber of at least one end open, and chamber is for accommodating aromatic liquid substance；

Push type liquid pump, the push type liquid pump are loaded on the opening, and push type liquid pump has inner cavity, inlet, goes out liquid Mouth and press section, press section can moved reducing cavity volume between increased position；And

The rear end of filler pipe, the filler pipe is connected with liquid outlet, and front end can be inserted into cigarette filter, drives press section past During the direction movement that cavity volume reduces, the aromatic liquid substance for having been enter into inner cavity can be pumped out from liquid outlet, and pass through Filler pipe flows into filter tip；During unclamping press section so that press section is moved toward the increased direction of cavity volume, in chamber Aromatic liquid substance through inlet flow into inner cavity.

Technical solutions of the utility model are equipped with the push type liquid pump with press section in the aperture position of chamber, and in push type The rear end of filler pipe is connected at the liquid outlet of liquid pump.When needing toward cigarette filter filling liquid aromatic substance, it can first make filling In the front end inserted into cigarette filter tip of pipe；Then, press section is driven to be moved toward by the direction of the smaller volume of inner cavity, mobile In the process, the aromatic liquid substance of inner cavity is had been enter into the diminution of cavity volume and pressure becomes larger, liquid outlet is opened（And Inlet is closed）, make aromatic liquid substance that can enter filler pipe from liquid outlet, then flow into cigarette mistake through filler pipe Filter tip completes the primary filling operation of aromatic liquid substance until liquid outlet is closed；And then, drive press section toward will in The increased direction reset movement of volume of chamber, during reset movement, the pressure of inner cavity with the increase of cavity volume and It reduces, inlet is opened, so that the indoor aromatic liquid substance of chamber is entered inner cavity through inlet, and wait for next aromatic liquid The filling of substance operates.Obviously, after using technical solutions of the utility model, on the one hand user can fill in chamber according to demand Enter the aromatic liquid substance of required odor type, in filling process, institute's expense can be filled into cigarette filter according to use demand Aromatic liquid substance, final obtain more preferably suck experience.

Description of the drawings

Fig. 1 is the outside schematic diagram of the utility model；

Fig. 2 is sectional views of the Fig. 1 along the directions A-A；

Fig. 3 is the enlarged detail of the part B of Fig. 2；

Fig. 4 is the enlarged detail of the C portion of Fig. 2；

Fig. 5 is the decomposition diagram of one embodiment of the utility model；

Fig. 6 is the enlarged detail of the parts D of Fig. 5；

Fig. 7 is the enlarged detail of the parts E of Fig. 5；

Fig. 8 is the sectional view of another embodiment of the utility model；

Fig. 9 is the structural schematic diagram of one embodiment of filler pipe.

Specific implementation mode

Below in conjunction with attached drawing, the technical scheme in the utility model embodiment is clearly and completely described, shows So, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on this practicality Embodiment in novel, the every other reality that those of ordinary skill in the art are obtained without creative efforts Example is applied, shall fall within the protection scope of the present invention.

If it is to be appreciated that relating to directionality instruction in the utility model embodiment（Such as up, down, left, right, before and after, Top, bottom, inside and outside, vertical, transverse direction, longitudinal direction, counterclockwise, clockwise, circumferentially, radially, axially ...）, then directionality instruction only For explaining in a certain particular pose（As shown in the picture）Under relative position relation, motion conditions etc. between each component, if When the particular pose changes, then directionality instruction also correspondingly changes correspondingly.

If in addition, relate to the description of " first " or " second " etc. in the utility model embodiment, should " first " or The description of person " second " etc. is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated The quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can explicitly or implicitly include to Few this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be common with this field Technical staff can be implemented as basis, will be understood that this skill when the combination of technical solution appearance is conflicting or cannot achieve The combination of art scheme is not present, also not within the protection domain of the requires of the utility model.

The utility model proposes a kind of cigarette filter aromatic liquid substance charging points.

In the utility model embodiment, as shown in Fig. 1 to 7, the cigarette filter aromatic liquid substance charging point, including cylinder Body 1, push type liquid pump 2 and filler pipe 3.

Wherein, cylinder 1 defines the chamber 11 of at least one end open, and chamber 11 is for accommodating aromatic liquid substance（Do not scheme Show）.Specifically, the aromatic liquid substance can be essential oil, liquid spice or liquid flavor etc., and user can be according to specific need It asks, selects the aromatic liquid substance of required odor type.

Push type liquid pump 2 has inner cavity 20, inlet 202,201 and of liquid outlet loaded on the opening 12, push type liquid pump 2 Press section 211；Inlet 202 enters the inner cavity 20 of push type liquid pump 2, press section for the aromatic liquid substance in chamber 11 211 can will move between 20 smaller volume of inner cavity and increased position.It should be noted that push type liquid pump 2 and opening 12 Junction preferably seal, to prevent the aromatic liquid content leaks in chamber 11.Specifically, the quantity of the opening 12 can be with For one or more, the quantity of push type liquid pump 2 is corresponding with opening 12.Being illustrated in figure 2 only tool, there are one openings 12 Situation, the opening are located at the front end of cylinder 1.

The rear end of the filler pipe 3 is connected with liquid outlet 201, and front end can be inserted into cigarette filter（It is not shown）, drive by Splenium 211 toward 20 smaller volume of inner cavity direction movement during, can be by the aromatic liquid substance for having been enter into inner cavity 20 from going out Liquid mouth 201 pumps out, and flows into cigarette filter through filler pipe 3；Press section 211 is unclamped so that press section 211 is toward 20 volume of inner cavity During increased direction movement, the aromatic liquid substance in chamber 11 flows into inner cavity 20 through inlet 202.Specifically, add Note pipe 3 is needle tubing shape, and caliber is typically small, can more smooth inserted into cigarette filter tip.Its front end can be designed as smooth, also may be used It, can more smooth inserted into cigarette filter tip to be designed to sharp, sharp front end.The liquid outlet 31 of filler pipe 3 is preferably opened in it Side wall, and quantity can be that one or more is preferably uniformly distributed around its axis when being multiple, is opened in the mode of side wall, Aromatic liquid substance can be made more uniformly to flow to cigarette filter.Certainly, do not considering aromatic liquid substance flow uniformity In the case of, the liquid outlet 31 of filler pipe 3 can be opened in its front bulkhead.

When needing toward cigarette filter filling liquid aromatic substance, it can first make the front end inserted into cigarette filter tip of filler pipe 3 In；Then, it drives press section 211 to be moved toward by the direction of the smaller volume of inner cavity 20, in the process of moving, has been enter into inner cavity 20 aromatic liquid substance is with the diminution of 20 volume of inner cavity and pressure becomes larger, and liquid outlet 201 is opened（And this process feed liquor Mouth 202 is closed）, make aromatic liquid substance that can enter filler pipe 3 from liquid outlet 201, then flow into perfume (or spice) through filler pipe 3 Tobacco filters complete the primary filling operation of aromatic liquid substance until liquid outlet 201 is closed；And then, press section is driven 211 toward by the increased direction reset movement of volume of inner cavity 20, and during reset movement, the pressure of inner cavity 20 is with inner cavity The increase of 20 volumes and reduce, inlet 202 is opened, aromatic liquid substance in chamber 11 is made to enter through inlet 202 Inner cavity 20, and the filling of secondary liquid aromatic substance is waited for operate.Obviously, after using technical solutions of the utility model, user On the one hand the aromatic liquid substance of required odor type can according to demand, be filled in chamber 11, it, then can be according to making in filling process With demand, desired amount of aromatic liquid substance is filled into cigarette filter, final obtain more preferably sucks experience.

In the utility model embodiment, the shape of cylinder 1 can there are many embodiments, for example, cylindric, rectangular Column or triangle column etc..In a preferred embodiment, as shown in Fig. 2, cylinder 1 is cylindric, the opening 12 is located at The front end of cylindrical barrel 1.

In the utility model embodiment, the opening 12 is in channel shape, and push type liquid pump 2 includes being located in opening 12 Feed liquor check valve 22 goes out the reset of liquid check valve 21 and first top spring 23, and feed liquor check valve 22 is detachable fixed（Such as matched by screw thread Conjunction is screwed on）Or non-dismountable be fixedly arranged on is open in 12, goes out liquid check valve 21 and is movably installed in opening 12 positioned at feed liquor check valve The position in 22 fronts, and can be along 12 sliding of opening to change the spacing of itself and feed liquor check valve 22, feed liquor check valve 22 goes out liquid list To valve 21 and be open between 12 inner wall and surround the inner cavity 20, first reset the both ends of top spring 23 respectively with feed liquor check valve 22 and go out 21 elasticity of liquid check valve and offset, the press section 211 is located at the front end of liquid check valve 21, and the liquid outlet 201 is set In going out on liquid check valve and running through the press section 211, the rear end of filler pipe 3 is plugged in liquid outlet 201, the inlet 202 Cigarette is pushed backward after 3 inserted into cigarette filter tip of filler pipe set on feed liquor check valve 22（It is not shown）And drive press section 211 along that during opening 12 moves backward, can drive, entirely to go out liquid check valve 21 mobile to 22 direction of feed liquor check valve and will The smaller volume of the inner cavity 20, by it is described go out liquid check valve 21 open, for have been flowed into inner cavity 20 aromatic liquid substance pass through Liquid outlet 201 flows into filler pipe 3, and finally flows into cigarette filter from filler pipe 3, until going out the closing of liquid check valve 21, completes The primary filling of aromatic liquid substance operates.Then, the thrust backward to cigarette and press section 211 is removed, liquid check valve 21 is gone out In the case where first resets the elastic force effect of top spring 23, to making the increased direction reset movement of the volume of inner cavity 20（I.e. along opening 12 to Preceding movement）, so that inner cavity 20 forms negative pressure and feed liquor check valve 22 is promoted to open, to for the aromatic liquid substance in chamber 11 Enter inner cavity 20 through inlet 202, until feed liquor check valve 22 is closed, and the filling of next aromatic liquid substance is waited for operate.

Specifically, as shown in Figure 5, Figure 7, feed liquor check valve includes the first valve body 221, and the first valve body 221 is cylindrical, It is fastened in opening 12, and is preferably sealed with the junction of opening 12, to prevent from leaking.The inlet 202 runs through the first valve The back segment of the antetheca and rear wall of body 221, inlet 202 is in pre-large post-small taper, and the leading portion of inlet 202 is equipped with valve deck 222, Surround the first accommodating chamber between the valve deck 222 and inlet 202, valve deck 222, which offers, leads to inlet 202 and inner cavity 20 Through-hole 2221 is equipped with second in first accommodating chamber and resets and pushes up spring 223 and the first core ball 224, second reset the front end of top spring 223 with 222 elasticity of valve deck offsets, and rear end offsets with 224 elasticity of the first core ball.When the first core ball 224 is pushed by the second reset top spring 223 When offseting with the inner wall of the taper back segment of inlet 202, feed liquor check valve 22 is closed, and when go out liquid check valve 21 to Make the increased direction of the volume of inner cavity 20（I.e. forward）Reset movement, and make inner cavity 20 formed negative pressure after, inner cavity 20 and chamber 11 Between pressure difference, drive the elastic force that the first core ball 224 overcomes the second reset top spring 223 to move forward, and inlet 202 is opened It opens, so that the aromatic liquid substance in chamber 11 flows into inner cavity 20.Described first rear end for resetting top spring 23 directs or through Middleware offsets with 22 elasticity of feed liquor check valve.

Specifically, as shown in Figure 5, Figure 7, go out liquid check valve 21 and include the second valve body 212 and the press section 211, the The antetheca of two valve bodies 212 offers the valve opening 2121 through rear wall, and valve opening 2121 includes cylinder hole section and pre-large post-small circle Taper hole section, press section 211 are in hat shape, and press section 211 and valve opening surround the second accommodating chamber, and liquid outlet 201 is communicated with cylinder hole section Even, it is equipped with third in the second accommodating chamber and resets top spring 213 and the second core ball 214, the third resets the front end of top spring 213 and presses 211 elasticity of splenium offsets, and rear end offsets with 214 elasticity of the second core ball, and described first resets the front end of top spring 23 and press section 211 Or 212 elasticity of the second valve body offsets, and second core ball 214 is pushed into inside phase with circular cone hole section when third resets top spring 213 To when, go out liquid check valve 21 and be closed, driving press section 211 is to the direction for the smaller volume for making inner cavity 20（I.e. backward） After moving and 20 pressure of inner cavity being made to increase to the inner wall that the second core ball 214 is pushed away to circular cone hole section, go out the unlatching of liquid check valve 21, it is interior The aromatic liquid substance of chamber 20 flows into filler pipe 3 through liquid outlet 201.

Further, as shown in Figure 5, Figure 6, the second valve body 212 is equipped with the spacing ring 2122 to extend back, feed liquor check valve 22 and go out between liquid check valve 21 to be equipped with rear wall and the antetheca of the first valve body 221 or the inconsistent positioning of the antetheca of valve deck 222 Block 24（The as described middleware）, first reset top spring 23 rear end offset with 24 elasticity of locating piece, the antetheca of locating piece 24 is set There are the limited post 241 stretched into spacing ring 2122, the antetheca of limited post to offer the via 242 through 24 rear wall of limited block, institute The both ends for stating via 242 are led to spacing ring 2122 and through-hole 2221 respectively, so that aromatic liquid substance flows into inner cavity 20.

In another embodiment of the utility model, as shown in figure 8, the opening 12 is in channel shape, push type liquid pump 2 includes Be fixedly arranged on it is described opening 12 in feed liquor check valve 22, go out liquid check valve 21 and press section 211, the liquid outlet is set to out liquid list To valve 21, the inlet is set to feed liquor check valve 22, goes out liquid check valve 21 and is located in front of feed liquor check valve 22, be open 12 week The position that wall corresponds to feed liquor check valve 22 and goes out between liquid check valve 21 offers guide through hole 121, is equipped in guide through hole 121 Axially outward（Using the axis of guide through hole 121 as reference data）The elastic piece 25 to arch upward and the press section 211, elastic piece 25 The hole wall sealing of edge and guide through hole 121 be connected, to prevent the outflow of aromatic liquid substance, the feed liquor check valve 22 from going out The inner cavity 20, one end of the press section 211 and bullet are surrounded between liquid check valve 21, elastic piece 25 and 12 inner wall that is open Property piece 25 appearance surface elastic offset, the extending axially outward guide through hole 121 of the other end, driving（Or pressing pushes）Press section 211 axially inwards（I.e. along guide through hole 121 toward the direction of inner cavity 20）When mobile, press section 211 can push elastic piece 25 inside The center position flexible deformation of chamber 20, and make the smaller volume of inner cavity 20, by it is described go out liquid check valve 21 open, for having been flowed into The aromatic liquid substance of inner cavity 20 flows into filler pipe 3 through liquid outlet 201, and finally flows into cigarette filter from filler pipe 3, until Go out the closing of liquid check valve 21, completes the primary filling operation of aromatic liquid substance.And after unclamping press section 211,25 axis of elastic piece It is sprung back to outside elastic reset, and pushes the reset movement axially outward of press section 211, so that 20 volume of inner cavity increases to form negative pressure And feed liquor check valve 22 is promoted to open, to enter inner cavity 20 for the aromatic liquid substance in chamber 11, until feed liquor check valve 22 close, and the filling of next aromatic liquid substance is waited for operate.Specifically, the press section 211 and the elastic phase of elastic piece 25 The end face of the one end supported is the cambered surface protruded to elastic piece 25, to improve the alterable amount of the volume of inner cavity 20.

It should illustrate, other than the above embodiment, the structure of push type liquid pump 2 can also use the prior art, For example, by using 2 structure of push type liquid pump for being widely used in Shampoo bottle, hand cleanser bottle or shower cream bottle, here no longer to existing The concrete structure and operation principle for these push type liquid pumps 2 having are repeated.

Further, as shown in Figure 2 and Figure 3, filler pipe 3 equipped with extension forward and is enclosed in it by the front of cylinder 1 Stop collar 4, the internal diameter of stop collar 4 are mutually fitted with the outer diameter of cigarette filter, can be limited to the cigarette filter being inserted into it And be oriented to, during cigarette filter is inserted into stop collar 4 and moves after along stop collar 4, filler pipe 3 is first inserted into filter tip In, then, filter tip pushes press section 211 to move backward, and the aromatic liquid substance in inner cavity 20 is pumped out.

In the utility model embodiment, as shown in Figures 1 to 3, stop collar 4 is equipped with block 5, to prevent dust or dirt It pollutes and encloses in the needle tubing 3 in stop collar 4 into 4 inside of stop collar.

In the utility model embodiment, as shown in Fig. 2, Fig. 4, Fig. 5, Fig. 7, the rear wall of the cylinder 1 offers front end Lead to the receiving hole 13 of the opening 12, which can be cylindrical hole, tri-angle-holed or square hole etc..One compared with In good embodiment, which is cylindrical hole, and the rear part is fitted with piston 6, the hole wall of the peripheral wall and receiving hole 13 of piston 6 In sealing contact and can be moved axially along receiving hole 13, the hole wall of the receiving hole 13 and the front bulkhead of piston 6 surround the chamber 11, and the volume of the chamber 11 can moving and change with piston 6.When the aromatic liquid substance in chamber 11 is pumped out And after reducing, air in chamber 11 forms negative pressure, at this point, piston 6 is then under the action of outside atmospheric pressure, along receiving hole 13 It moves forward, until the pressure in chamber 11 is almost the same with atmospheric pressure.

Further, the piston 6 includes main body 61, and main body 61 offers axial charge hole 611 and can be by charge The rubber pad 62 of the sealing masking of hole 611, can be through charge hole 611 after piercing through rubber pad 62 using the syringe needle of the syringe of the prior art Into chamber 11, and liquid aromatic substance can be supplemented to chamber 11, after completing aromatic liquid substance supplement and extracting syringe needle, rubber 62 elastic recovery of rubber cushion continues to seal charge hole 611 and cover.Specifically, the aft bulkhead of main body 61 is offered charge hole 611 Groove in the inner is enclosed, the rubber pad 62 and pressure ring 63 are sequentially arranged with before and after groove, rubber pad 62 is closely against recessed by pressure ring 63 The antetheca of slot simultaneously closes charge hole 611.

Further, the main body 61 is in pre-small post-large taper, this shape is convenient for piston 6 being packed into receiving hole 13, main When the region that the rear wall of body 61 is located at groove radial outer periphery offers the rear portion for pressing 61 peripheral wall of main body for main body 61 after Shrink space 612 from portion to contract, main body 61 enter receiving hole 13 after, the hole wall elastic packing phase of the rear part and receiving hole 13 It supports.

Further, the rear end of the cylinder 1 is equipped with the plug 7 of all or part of embedded receiving hole 13, to prevent ash Dirt or foreign object etc. enter receiving hole 13.Inside chamber 11 when aromatic liquid substance, which reduces, forms negative pressure, by plug 7 from It is removed in cylinder 1, you can so that external pressure driving piston 6 is moved forward until the pressure of chamber 11 is flattened with outside atmosphere Weighing apparatus.It should illustrate, in the case where not influencing use, axial stomata can also be opened up in plug 7, enter for outside atmosphere Between main body 61 and plug 7.

The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention, Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of cigarette filter aromatic liquid substance charging point, which is characterized in that including：

Cylinder, the cylinder define the chamber of at least one end open, and chamber is for accommodating aromatic liquid substance；

Push type liquid pump, the push type liquid pump be loaded on the opening, push type liquid pump have inner cavity, inlet, liquid outlet and Press section, press section can be moved reducing cavity volume between increased position；And

The rear end of filler pipe, the filler pipe is connected with liquid outlet, and front end can be inserted into cigarette filter, drive press section toward inner cavity During the direction movement of smaller volume, the aromatic liquid substance for having been enter into inner cavity can be pumped out from liquid outlet, and through filling Pipe flows into filter tip；During unclamping press section so that press section is moved toward the increased direction of cavity volume, the indoor liquid of chamber State aromatic substance flows into inner cavity through inlet.

2. cigarette filter aromatic liquid substance charging point as described in claim 1, it is characterised in that：Opening is in channel shape, Push type liquid pump includes the feed liquor check valve being located in opening, go out liquid check valve and first resets top spring, and feed liquor check valve is fixed In opening, goes out liquid check valve and be movably installed in the position that opening is located in front of feed liquor check valve, and can be along opening sliding to change Becoming the spacing of itself and feed liquor check valve, feed liquor check valve goes out between liquid check valve and the inner wall of opening to surround the inner cavity, the One reset the both ends of top spring respectively with feed liquor check valve and go out liquid check valve elasticity and offset, the press section is located at liquid check valve Front end, the liquid outlet is set to out on liquid check valve and runs through the press section, and the rear end of filler pipe is plugged in liquid outlet, institute It states inlet and is set to feed liquor check valve.

3. cigarette filter aromatic liquid substance charging point as described in claim 1, it is characterised in that：Opening is in channel shape, Push type liquid pump includes the feed liquor check valve being fixedly arranged in the opening, goes out liquid check valve and press section, and the liquid outlet is set to Go out liquid check valve, the inlet is set to feed liquor check valve, goes out liquid check valve and is located in front of feed liquor check valve, the peripheral wall pair of opening It answers feed liquor check valve and the position that goes out between liquid check valve offers guide through hole, equipped with arching upward axially outward in guide through hole The edge of elastic piece and the press section, elastic piece is connected with the sealing of the hole wall of guide through hole, and the feed liquor check valve goes out liquid list To surrounding the inner cavity, one end of press section and the appearance surface elastic phase of elastic piece between the inner wall of valve, elastic piece and opening It supports, the extending axially outward guide through hole of the other end, when driving press section is moved along the direction of guide through hole toward inner cavity, press section can Elastic piece flexible deformation axially inwards is pushed, and makes the smaller volume of inner cavity；After unclamping press section, elastic piece is elastic axially outward Rebound is resetted, and pushes press section reset movement axially outward, so that cavity volume increases.

4. cigarette filter aromatic liquid substance charging point as claimed in claim 2, it is characterised in that：Feed liquor check valve includes First valve body, the first valve body is cylindrical, is fastened in opening, and inlet runs through the antetheca and rear wall of the first valve body, feed liquor The back segment of mouth is in pre-large post-small taper, and the leading portion of inlet is equipped with valve deck, the first appearance is surrounded between the valve deck and inlet Receive chamber, valve deck offers the through-hole for leading to inlet and inner cavity, is equipped with second in the first accommodating chamber and resets and pushes up spring and the first core ball, Second front end for resetting top spring offsets with valve deck elasticity, and rear end offsets with the first core ball elasticity.

5. cigarette filter aromatic liquid substance charging point as claimed in claim 4, it is characterised in that：Going out liquid check valve includes Second valve body and the press section, the antetheca of the second valve body offer the valve opening through rear wall, and valve opening includes cylinder hole section With pre-large post-small circular cone hole section, press section is in hat shape, and press section and valve opening surround the second accommodating chamber, liquid outlet and cylinder hole section It interlinks, third is equipped in the second accommodating chamber and resets top spring and the second core ball, the third resets the front end and press section of top spring Elasticity offsets, and rear end offsets with the second core ball elasticity, and described first resets the front end of top spring and press section or the second valve body bullet Property offsets.

6. cigarette filter aromatic liquid substance charging point as claimed in claim 5, it is characterised in that：Second valve body be equipped with to The spacing ring extended afterwards, feed liquor check valve and before going out between liquid check valve to be equipped with the antetheca or valve deck of rear wall and the first valve body The inconsistent locating piece of wall, the first rear end for resetting top spring offset with locating piece elasticity, and the antetheca of locating piece, which is equipped with, stretches into limit Limited post in ring, the antetheca of limited post offer the via through limited block rear wall, the both ends of the via respectively with limit Ring and through-hole lead to.

7. the cigarette filter aromatic liquid substance charging point as described in any one of claim 1 to 6, it is characterised in that： The front of cylinder equipped with extending forward and filler pipe be enclosed in the stop collar in it, the internal diameter of stop collar and cigarette filter Outer diameter is mutually fitted.

8. cigarette filter aromatic liquid substance charging point as claimed in claim 7, it is characterised in that：The rear wall of cylinder opens up There is front end to lead to the receiving hole of the opening, the rear part is fitted with piston, and the peripheral wall of piston and the hole wall of receiving hole are in sealing contact And can be moved axially along receiving hole, the hole wall of the receiving hole and the front bulkhead of piston surround the chamber, and the volume of chamber It can change with moving for piston.

9. cigarette filter aromatic liquid substance charging point as claimed in claim 8, it is characterised in that：Piston includes main body, Main body offers axial charge hole and charge hole can be sealed to the rubber pad of masking, and syringe needle can be through filling after piercing through rubber pad Material hole enters chamber.

10. cigarette filter aromatic liquid substance charging point as claimed in claim 9, it is characterised in that：Before the main body is in Big taper after small, the region that the rear wall of main body is located at groove radial outer periphery can when offering the rear portion for pressing main body peripheral wall For back body to the shrink space of contract, the hole wall elastic packing of back body and receiving hole offsets.