JP5944309B2 - Syringe type ejection container - Google Patents

Description

  The present invention relates to a syringe-type ejection container capable of ejecting a content liquid in which a piston is pushed into a syringe and mixed with air to the outside.

  As a conventional syringe-type ejection container, there is known one that can spray a content liquid by attaching a spray nozzle with a built-in valve to a syringe (barrel) filled with the content liquid and pushing out the content liquid with a piston ( For example, see Patent Document 1).

JP 2001-137344 A

  However, since the conventional syringe-type ejection container is obtained by filling the operation liquid operated by the user with the content liquid, if the syringe is downsized for the purpose of spraying a small amount, the usability is deteriorated. For this reason, the conventional syringe-type ejection container is unsuitable for spraying a small amount of content liquid. In addition, the conventional syringe-type ejection container merely pressurizes the inner solution and ejects it, and does not mix the content liquid with air.

  An object of the present invention is to provide a novel syringe-type ejection container that can spray even a small amount of content liquid in a mixed state of air.

The syringe-type ejection container of the present invention includes an operation unit operated by a user, and an ejection unit from which a mixed liquid of air and content liquid is ejected,
The operation portion forms an annular gap between the syringe having the tip tube portion, the piston for pushing the air in the syringe to the tip tube portion, and the tip tube portion, and from the tip tube portion by the pressing force received from the piston. A protruding rod,
The jet part includes an outer cylinder part that has a jet port and is attached to the tip cylinder part, a middle cylinder part that has a through-hole leading to the jet port and is arranged inside the outer cylinder part, An inner cylinder part arranged inside, a plunger for pushing out the content liquid filled inside the inner cylinder part, and the inner cylinder part and the inner cylinder part are arranged on the through hole side inside the middle cylinder part, and the content liquid is circulated through the through hole. Comprising a spin element formed with a turning groove
Between the middle cylinder part and the outer cylinder part, a liquid path for circulating the content liquid pushed out from the through hole to the jet outlet, an air path for circulating the air pushed out from the annular gap, and the air path A merging portion for merging with the liquid passage is formed.

  In the present invention, the inner cylinder part can have a large diameter part incorporating the plunger and a small diameter part fitting and holding the spin element, and the small diameter part can be arranged inside the middle cylinder part. Further, an elastic valve that allows the content liquid from the inner cylinder part to pass through the spin element can be arranged inside the middle cylinder part.

  In this invention, at least 1 mesh can be arrange | positioned between the confluence | merging part of a liquid path and an air path, and a jet nozzle. The ejection part can be detachably attached to the operation part.

  In the syringe-type ejection container of the present invention, when the user pushes the piston of the operation unit, the rod that receives the pressing force from the piston protrudes from the distal end cylindrical portion of the syringe. Next, the rod protruding from the tip cylinder part pushes the content liquid toward the spin element together with the plunger built in the inner cylinder part of the ejection part. For this reason, after the content liquid gains rotational force through the swivel groove formed in the spin element, it is pushed out from the through hole of the middle cylinder part to the liquid path formed between the middle cylinder part and the outer cylinder part. It is.

  On the other hand, when the user pushes the piston of the operation portion, the filling air is pushed out from the syringe through the gap formed between the tip tube portion and the rod member to the ejection portion. The air joins the liquid passage through an air passage formed between the middle cylinder portion and the outer cylinder portion of the ejection portion.

  As described above, in the present invention, the content liquid containing air is ejected in a mist form by mixing the air pushed out from the operation unit in a state where a rotational force is applied to the content liquid filled in the ejection part. Can do.

  Moreover, in this invention, the operation part for mixing air with a content liquid and making it eject can be made into another structure by filling a content liquid in an ejection part. For this reason, it is possible to reduce the size of only the ejection portion filled with the content liquid without reducing the size of the operation portion. Therefore, the present invention is effective when it is desired to spray only a small amount of the mixed liquid containing air without impairing operability.

It is principal part sectional drawing which shows the syringe type ejection container which is 1st Embodiment of this invention. (A) is an expanded sectional view which shows the same syringe type ejection container, (b) is an enlarged view of (a). It is an expanded sectional view which shows the state which sprayed the content liquid containing air from the syringe type ejection container. (A) is an expanded sectional view which shows the syringe type ejection container which is 2nd Embodiment of this invention, (b) is an enlarged view of (a). It is an expanded sectional view which shows the state which sprayed the content liquid containing air from the syringe type ejection container. (A) is an expanded sectional view which shows the syringe type ejection container which is 3rd Embodiment of this invention, (b) is an enlarged view of (a). It is an expanded sectional view which shows the state which sprayed the content liquid containing air from the syringe type ejection container. (A) is a perspective view which shows typically the spin element which concerns on 1st Embodiment, (b) is a perspective view which shows typically the spin element which concerns on 2nd Embodiment. It is a perspective view which shows typically the elastic valve which concerns on 3rd Embodiment of this invention with a spin element.

  Hereinafter, various embodiments of a syringe-type ejection container according to the present invention will be described in detail with reference to the drawings.

  In FIG. 1, reference numeral 1 denotes a syringe-type ejection container (hereinafter referred to as “ejection container”), which is the first embodiment of the present invention. The ejection container 1 includes an operation unit 50 that is operated by a user and a ejection unit 10.

  The operation unit 50 includes a syringe 51 that is filled with air. The syringe 51 has an annular shoulder 51b formed at one end of a hollow body 51a. The syringe 51 is integrally provided with a distal end tube portion 51c having a smaller diameter than the body portion 51a via a shoulder portion 51b. An internal passage leading to a space formed inside the trunk portion 51a is formed inside the distal end cylinder portion 51c. Further, the syringe 51 is provided with a mounting cylinder part 51d surrounding the tip cylinder part 51c. Furthermore, the syringe 51 is provided with a finger hook syringe 51e.

The operation unit 50 has a piston 52. The piston 52 forms an air filling space S ₁ with the syringe 51. The piston 52 is slidably held inside the body portion 51a. Reference numeral 53 denotes an operation shaft to which the piston 52 is fixed. The operation shaft 53 includes a main body 53a to which the piston 52 is fixed and a pressing portion 53b that receives a pressing force from a user. Thus, the user is pushing the operating shaft 53 over a finger on the finger hook portion 51e of the syringe 51, can be pushed out the air in the filling space S ₁ to the distal tube portion 51c.

Further, a rod member 54 is disposed inside the syringe 51. The rod member 54 has a plunger rod 54a that is disposed inside the distal end cylinder portion 51c. Plunger rod 54a is provided between the distal cylindrical portion 51c, to form the first air path r _1. The plunger rod 54a is integrally provided with a plate 54b that receives the piston 52. Thereby, the plunger rod 54a can be protruded from the front end cylinder portion 51c by the pressing force received from the piston 52. The plate 54b is a plate-like member such as a disk. Furthermore, a plurality of notches 54c are formed on the outer edge of the plate 54b at intervals in the circumferential direction (around the axis O). As a result, the rod member 54 can be easily pushed out toward the distal end cylinder part 51c, and the air between the piston 52 and the plate 54b can also be pushed out to the distal end cylinder part 51c. However, according to the present invention, the notch 54c can be omitted. Alternatively, the piston 52 and the plunger rod 54a can be provided integrally.

  The operation unit 50 is configured as an operation instrument as described above, while the ejection unit 10 functions as an ejection nozzle.

  The ejection part 10 has the outer cylinder part 11 with which the front-end | tip cylinder part 51c is mounted | worn, as shown to Fig.2 (a). The outer cylinder part 11 has the jet nozzle 1a in the front-end | tip part. In addition, a small-diameter portion 11a is formed on the inner side of the outer cylinder portion 11 adjacent to the jet port 1a (a position below the jet port 1a), and a plurality of protrusions 11b are formed at intervals in the circumferential direction. Has been. Each of the protrusions 11b extends from the end portion of the small diameter portion 11a toward the rear end portion 11e of the outer cylinder portion 11. On the other hand, the rear end portion 11 e of the outer cylinder portion 11 is attached to the syringe 51. The rear end portion 11e of the outer cylinder portion 11 forms a flange portion. The rear end portion 11e of the outer cylinder portion 11 functions as a screw portion, and is detachably screwed into a screw portion 51s formed inside the mounting cylinder portion 51d. Thereby, the ejection part 10 can be attached to the operation part 50 by being screwed into the syringe 51 as shown in the figure. In addition, according to this invention, the connection of the outer cylinder part 11 and the syringe 51 can select the existing means, such as undercut fitting by an unevenness | corrugation.

Further, the ejection part 10 has a middle cylinder part 13 arranged inside the outer cylinder part 11. The middle cylinder part 13 has a through-hole 13a that communicates with the spout 1a at the tip. The middle tube portion 13 is fitted and held by a plurality of protrusions 11 b formed inside the outer tube portion 11. As a result, an annular gap r ₃ is formed between the inner peripheral surface of the outer cylindrical portion 11 and the outer peripheral surface of the middle cylindrical portion 13.

Further, a lower end portion (intermediate cylinder lower end portion) 13b of the intermediate cylinder portion 13 is formed in a protruding portion that circulates around the axis O. In addition, a step (hereinafter referred to as “outer tube step”) 11 s that circulates around the axis O is formed inside the outer tube portion 11. The outer cylinder step 11s and the middle cylinder lower end part 13b are in contact with each other, thereby limiting the amount of insertion of the middle cylinder part 13 into the outer cylinder part 11. In the present embodiment, as shown, when the middle cylinder bottom end 13b is in contact with the outer tube stepped 11s, while forming a gap S ₁₀ between the middle cylinder portion 13 and outer tubular portion 11, a plurality of ridges a plurality of gap r ₄ formed along the 11b is set so as to be opened to the gap S _10.

Furthermore, a plurality of grooves 13c are formed in the middle cylinder lower end portion 13b at intervals in the circumferential direction. For this reason, when the middle cylinder part 13 is assembled inside the outer cylinder part 11, the grooves 13 c are respectively annular gaps formed between the inner circumferential surface of the outer cylinder part 11 and the outer circumferential surface of the middle cylinder part 13. An opening r ₂ leading to r ₃ is formed.

  In addition, as shown in FIG. 2A, a spin element 15 is disposed inside the middle cylinder portion 13 together with the inner cylinder portion 14. The spin element 15 is formed of a cylindrical large-diameter portion 15a and a small-diameter portion 15b having a smaller diameter than the large-diameter portion 15a. The outer peripheral surface of the large diameter portion 15a can slide on the inner peripheral surface of the middle tube portion 13 while being in a liquid-tight state. Further, the end surface of the large diameter portion 15 a can abut against the inner side of the front end of the middle tube portion 13. The small diameter portion 15 b protrudes from the large diameter portion 15 a toward the front end of the inner cylinder portion 14. The outer peripheral surface of the small diameter portion 15b can be slid while the inner peripheral surface of the inner cylinder portion 14 is in a liquid-tight state. An annular step surface formed between the large diameter portion 15 a and the small diameter portion 15 b contacts the front end of the inner cylinder portion 14. Thereby, the front end side of the inner cylinder part 14 is hold | maintained in a liquid-tight state with the outer peripheral surface of the small diameter part 15b.

Furthermore, a plunger 16 is disposed on the rear end side of the inner cylinder portion 14. The plunger 16 can slide the inner peripheral surface of the inner cylinder portion 14 while being in a liquid-tight state. The plunger 16, together with the spin element 15, forms a filling space S ₂ for the content liquid M inside the inner cylinder portion 14. That is, in this embodiment, the ejection part 10 is comprised by the outer cylinder part 11, the middle cylinder part 13, the inner cylinder part 14, the spin element 15, and the plunger 16. FIG.

In the present embodiment, as shown in FIG. 8A, three grooves are formed on the side surface of the spin element 15 at intervals around the axis O. Each groove includes a first strip groove 15c ₁ extending along the axis O is cut from the end face of the small diameter portion 15b side, connected to the first strip groove 15c _1, the large diameter portion 15a and a small diameter portion 15b and Article 2 grooves 15c ₂ extending the stepped surface in a radial direction between, leads to the Article 2 grooves 15c _2, Article 3 groove 15c ₃ notching an end surface of the small-diameter portion 15b side together extending along the axis O Is formed. Also on the end face of the large diameter portion 15a side, turning groove 15s is formed leading to each of the grooves 15c _3. Each of the three turning groove 15s extends toward the axis O while rotating around axis O from the Article 3 groove 15c _3. Thereby, the three turning grooves 15s are joined at the end face on the large diameter portion 15a side to form a cylindrical joining portion 15d. In addition, in the present embodiment, an annular notch 15c ₄ that circulates around the axis O is formed by notching the outer edge of the end surface on the large diameter portion 15a side.

That is, when the spin element 15 is incorporated inside the middle cylinder part 13 together with the inner cylinder part 14, the content liquid M is interposed between the middle cylinder part 13 and the inner cylinder part 14 as shown in FIG. The three introduction paths r ₁₁ (15c _{1 to} 15c ₄ ) leading to the filling space S ₂ , the three swirl flow paths r ₁₂ (15s) leading to the respective introduction paths r ₁₁ , and these swirl paths r ₁₂ A combined flow path r ₁₃ (15d) communicating with the through hole 13a is formed. In particular, in the present embodiment, the connecting portions of the introduction path r ₁₁ and the swirl flow path r ₁₂ are each connected in an annular shape by an annular flow path r ₁₄ (15c ₄ ).

The introduction path r ₁₁ and the swirl flow path r ₁₂ are arranged offset from each other around the axis O, thereby bypassing the annular flow path r ₁₄ between the introduction path r ₁₁ and the swirl flow path r _12. It can also be a road. Further, the number of introduction paths r ₁₁ can be at least one without corresponding to the swirl path r ₁₂ . The same applies to spin elements 15 according to other embodiments described later.

  Next, with reference to FIGS. 1-3, the usage method of the ejection container 1 is demonstrated.

When the user attaches the ejection unit 10 to the operation unit 50, as shown in FIG. 2A, the rear end of the plunger 16 functions as a pressing unit that receives a pressing force from the tip of the plunger rod 54a. Thereby, the plunger 16 can push the content liquid M in the filling space S ₂ toward the spin element 15 by being pushed into the plunger rod 54 a. Content liquid M extruded toward the spin element 15, as shown by the thin line arrows in FIG. 3, after obtaining the rotational force through the swirl channel r ₁₂ formed in the spin element 15, combined channel r ₁₃ in that the stirring, extruded from the through hole 13a of the middle cylinder portion 13 into the gap S ₁₀ formed between the middle cylinder portion 13 and the outer tube portion 11.

In addition, as shown in FIG. 2A, the ejection portion 10 has the intermediate cylinder portion 13 assembled inside the outer cylinder portion 11, so that the gap S ₁₀ is ejected through the through hole 13 a of the intermediate cylinder portion 13. A liquid path leading to the outlet 1a is formed. That is, by the user pushing the operating shaft 53 of the operation unit 50, from the filling space S ₂ of the jetting portion 10, as shown by the thin line arrows in FIG. 3, given a rotational force liquid content M is a gap extruded into spout 1a through S _10.

Further, as shown in FIG. 2A, the ejection portion 10 has second grooves that communicate with the first air passage r ₁ because the middle cylinder portion 13 is assembled inside the outer cylinder portion 11. The air path r ₂ is formed, and the gap r ₃ between the inner peripheral surface of the outer cylinder part 11 and the outer peripheral surface of the middle cylinder part 13 forms a third air path r ₃ that leads to the second air path r _2. . Further, the plurality of gaps r ₄ formed along the plurality of protrusions 11 b form a fourth air passage r ₄ that communicates with the third air passage r ₃ . Further, the fourth air passage r ₄ leads from the through hole 13 a of the middle cylinder part 13 to a gap S ₁₀ formed between the middle cylinder part 13 and the outer cylinder part 11.

That is, when the user pushes in the operation shaft 53, the first air passage r formed between the distal end cylindrical portion 51c and the plunger rod 54a from the syringe 51 as shown by the broken line arrow in FIG. Filling air is pushed through the jetting part 10 through ₁ . As indicated by the thin line arrows in the figure, the air passes through the air passages r _{2 to} r ₄ formed between the outer cylinder part 11 and the middle cylinder part 13 to the gap S ₁₀ . Thus, the first liquid passage S ₁₀ forms a merging portion (hereinafter, “merging portion S ₁₀ ”) where the content liquid M from the through hole 13 a and the air from the air passage r ₄ merge.

The content liquid M that has obtained a rotational force through the swirl flow path r ₁₂ and the air pushed out from the air path r ₄ are mixed in the merging portion S _{10 and} then pushed out to the jet outlet 1a. As a result, a mist-like content liquid M containing air (including a state of being scattered with relatively large particles) is ejected from the ejection port 1a.

  As described above, in the ejection container 1 according to the present invention, the content liquid containing air is mixed by mixing the air pushed out from the operation unit 50 with the rotational force applied to the content liquid M filled in the ejection section 10. M can be ejected in the form of a mist.

  Moreover, in the ejection container 1 according to this invention, the operation part 50 for mixing the content liquid M with air and making it eject can be made into another structure by filling the content liquid M in the ejection part 10. FIG. For this reason, only the ejection part 10 with which the content liquid M is filled can be reduced in size, without reducing the operation part 50 in size. Therefore, the ejection container 1 according to the present invention is effective when it is desired to spray a small amount of the content liquid M mixed with air without impairing operability.

  The ejection part 10 according to the present embodiment seals the lower end of the inner cylinder part 14 with a plunger 16. For this reason, the inner cylinder part 14 can be filled with the content liquid M from the upper side (spin element 15 side). After filling the content liquid M, the ejection part 10 can be formed by assembling the spin element 15 and the middle cylinder part 13. For this reason, according to the ejection part 10 which concerns on this embodiment, filling of the content liquid M can be performed easily.

  4 (a) and 4 (b) are enlarged sectional views showing the ejection container 2 which is the second embodiment of the present invention. FIG. 5 shows a state in which the content liquid M containing air is sprayed from the ejection container 2. The present embodiment is a modification of the first embodiment, and the ejection portion 20 has a structure in which the middle tube portion 13 and the inner tube portion 14 are different from those in the first embodiment.

In this embodiment, the inner cylinder part 14 has the large diameter part 14a and the small diameter part 14b connected with this large diameter part 14a. The large diameter portion 14a incorporates the plunger 16 so as to be slidable in a liquid-tight state. The small-diameter portion 14b fits and holds the small-diameter portion 15b of the spin element 15 in a liquid-tight state on its inner peripheral surface. In addition, the middle tube portion 13 is a cap-shaped member that houses only the small-diameter portion 14b inside. For this reason, in the present embodiment, the lower end portion (hereinafter referred to as “inner cylinder lower end portion”) 14 d of the inner cylinder portion 14 is formed as a protrusion that goes around the axis O. The inner cylinder lower end part 14d limits the amount of insertion of the inner cylinder part 14 into the outer cylinder part 11 by contacting the outer cylinder step 11s. In the present embodiment, as shown, when the inner cylinder lower portion 14d in contact with the outer tube stepped 11s, while forming a gap S ₁₀ between the middle cylinder portion 13 and outer tubular portion 11, a plurality of ridges a plurality of gap r ₄ formed along the 11b is set so as to be opened to the gap S _10.

Further, a plurality of grooves 14c are formed in the inner cylinder lower end portion 14d at intervals in the circumferential direction. For this reason, when the inner cylinder part 14 is assembled | attached inside the outer cylinder part 11, the groove | channel 14c is the cyclic | annular clearance gap formed between the inner peripheral surface of the outer cylinder part 11, and the outer peripheral surface of the inner cylinder part 14, respectively. An opening r ₂ leading to r ₃ is formed. This embodiment is the same as the first embodiment with respect to other parts. In the ejection container 2, as shown in FIG. 5, a small amount of the content liquid M mixed with air can be sprayed as in the first embodiment.

  In the present embodiment, as shown in FIG. 8B, the axial length (the length in the direction of the axis O) of the small diameter portion 14b of the spin element 15 can be extended. For this reason, in this embodiment, the length (distance) of a flow path can be earned more. Therefore, in this embodiment, even when the spin element 15 has a small diameter, a larger swirl flow can be provided.

  Moreover, the ejection part 20 which concerns on this embodiment seals the lower end of the inner cylinder part 14 with the plunger 16, as shown in FIG. For this reason, the inner cylinder part 14 can be filled with the content liquid M from the upper side (spin element 15 side) of the inner cylinder part 14 in the state which earth | grounded the inner cylinder lower end part 14d. After filling the content liquid M, the ejection part 20 can be formed by assembling the spin element 15 and the middle cylinder part 13. For this reason, according to the ejection part 20 which concerns on this embodiment, the filling of the content liquid M can be performed easily.

  In particular, in the present embodiment, the inner cylinder portion 14 has a large diameter portion 14a in which the plunger 16 is built, and a small diameter portion 14b in which the small diameter portion 15b of the spin element 15 is disposed, and the intermediate cylinder portion is provided in the small diameter portion 14b. 13 is covered and stored, so that it is easy to set the middle cylinder portion 13 even after the content liquid M is filled.

FIGS. 6A and 6B are enlarged cross-sectional views showing the ejection container 3, which is the third embodiment of the present invention. The present embodiment is a modification of the second embodiment, and the ejection part 30 has an elastic valve 17 disposed inside the middle cylinder part 13 as shown in FIG. In the present embodiment, the small diameter portion 15 b of the spin element 15 is formed to have a smaller diameter than the inner diameter of the small diameter portion 14 b of the inner cylinder portion 14. Thus, the small diameter portion 15b of the spin element 15, by being inserted into the small diameter portion 14b of the inner cylindrical portion 14, between the small diameter portion 14b of the inner cylindrical portion 14, the internal passage r ₀ which leads to the filling space S ₂ Form.

Further, an elastic valve 17 is provided on the small diameter portion 15 b of the spin element 15. In the small-diameter portion 15b of the spin element 15, as shown in FIG. 6B, an annular groove 15g that circulates around the axis O is formed instead of the _first groove 15c1. As shown in FIG. 9, an elastic valve 17 is fitted and held in the annular groove 15g. The elastic valve 17 is made of a resin that can be deformed and restored. The elastic valve 17 is fixed by fitting the inner edge of the opening formed in the base portion 17a into the annular groove 15g. Thereby, the elastic valve 17 is arrange | positioned in the position close | similar to the spin element 15, as shown to Fig.6 (a).

As shown in FIG. 6B, the elastic valve 17 has a conical valve body 17b whose diameter is integrally expanded from the base portion 17a. The valve body 17b increases in diameter toward the through hole 13a when the elastic valve 17 is fixed to the spin element 15. Accordingly, the elastic valve 17 allows the content liquid M to flow from the internal passage r ₀ , while preventing the back flow of the content liquid M from the large diameter portion 15 a of the spin element 15. In the present embodiment, an annular raised portion 13p that circulates around the axis O is provided on the inner side of the middle cylindrical portion 13, and holds the large-diameter portion 15a of the spin element 15 so as not to come off.

When the ejection container 3 pushes in the operation shaft 53, the elastic valve 17 incorporated in the middle cylinder portion 13 is opened until the content liquid M reaches a certain pressure, as shown in FIG. There is nothing. For this reason, the content liquid M is compressed between the elastic valve 17 and the plunger 16 until the valve body 17b is opened. While the valve body 17b seals the inner peripheral surface of the intermediate cylinder portion 14 by its own elastic force against the pressure of the content liquid M, when the pressure of the content liquid M exceeds the elastic force, the valve body 17b resists the elastic force. Opened. When the valve body 17b is opened by the pressure of the content liquid M, the content liquid M is pushed out to the spin element 15 at once as shown in FIG. The extruded liquid contents M further After obtaining the rotational force through the swirl channel r ₁₂ formed in the spin element 15, is pushed out to the merging section S ₁₀ from the through hole 13a.

A content liquid M to obtain a rotational force through the swirl channel r _12, and the air pushed out from the air passage r _4, then intermingled with merging section S _10, is pushed out all at once to the spout 1a. Thereby, the mist-like content liquid M containing air is ejected from the spout 1a in a stable state.

Thus, in the ejection container 3, after compressing the content liquid M with which the ejection part 30 was filled to a fixed pressure, it is made to open | release at a stretch, and the content liquid M which gave the larger rotational force through the spin element 15 was made. By mixing the air pushed out from the operation unit 50, the content liquid M containing air can be ejected in the form of a mist while maintaining a certain state. In particular, in this embodiment, since the filling space S ₂ is sealed with the elastic valve 17 and the plunger 16, can be used ejection portion 30 as the cartridge.

  The ejection part 30 which concerns on this embodiment also seals the lower end of the inner cylinder part 14 with the plunger 15. FIG. For this reason, the inner cylinder part 14 can be filled with the content liquid M from the upper side (spin element 15 side) of the inner cylinder part 14 in the state which earth | grounded the inner cylinder lower end part 14d. After filling the content liquid M, the ejection part 30 can be formed by assembling the outer cylinder part 11 together with the spin element 15 having the elastic valve 17. For this reason, filling of the content liquid M can be easily performed also by the ejection part 30 which concerns on this embodiment.

The above description only shows one embodiment of the present invention, and various modifications can be made within the scope of the claims. For example, according to this invention, it is also possible to comprise so that the ejection parts 10-30 cannot be removed with respect to the operation part 50, respectively. Further, in the present embodiment, the liquid contents M by directly connected to merging section S ₁₀ which is formed between the middle cylinder portion 13 and outer tubular portion 11 to the jetting port 1a is ejected as a mist, the outer cylinder By interposing a mesh ring between the part 11 and the middle cylinder part 13, the content liquid M can be ejected in a foam shape. Further, according to the present invention, the configurations of the embodiments can be combined with each other as appropriate.

  The metering syringe type ejection container of the present invention can be applied to various types as long as it is an ejection container for the purpose of ejecting the content liquid mixed with air. Also, the type of content liquid is not limited.

1 Syringe-type ejection container (first embodiment)
1a Spout 2 Syringe-type spout container (second embodiment)
3 Syringe-type ejection container (third embodiment)
10 Spouting part (first embodiment)
DESCRIPTION OF SYMBOLS 11 Outer cylinder part 13 Middle cylinder part 13a Through-hole 13b Lower end part of middle cylinder part 13c Groove part 14 Inner cylinder part 14a Large diameter part 14b Small diameter part 14c Groove part 14d Lower end part of inner cylinder part 15 Spin element 15a Large diameter part 15b Small diameter part 15c ₁ 1st groove 15c ₂ 2nd groove 15c ₃ 3rd groove 15c ₄ Notch 15d Merge part 15s Turning groove 16 Plunger 17 Elastic valve 20 Ejection part (2nd Embodiment)
30 ejection part (3rd Embodiment)
DESCRIPTION OF SYMBOLS 50 Operation part 51 Syringe 51a Body part 51b Shoulder part 51c Tip cylinder part 51d Attachment cylinder part 52 Piston 53 Operation shaft 54 Rod member 54a Plunger rod 54b Plate r ₁ 1st air path r ₂ 2nd air path r ₃ 3rd air R ₄ 4th air path r ₅ 5th air path r ₁₁ introduction path r ₁₂ swirl flow path r ₁₃ combined flow path r ₁₄ annular flow path S ₁₀ merge section (gap, liquid path)

Claims (5)

An operation unit operated by a user, and an ejection unit from which a mixed liquid of air and content liquid is ejected,
The operation portion forms an annular gap between the syringe having the tip tube portion, the piston for pushing the air in the syringe to the tip tube portion, and the tip tube portion, and from the tip tube portion by the pressing force received from the piston. A protruding rod,
The jet part includes an outer cylinder part that has a jet port and is attached to the tip cylinder part, a middle cylinder part that has a through-hole leading to the jet port and is arranged inside the outer cylinder part, An inner cylinder part arranged inside, a plunger for pushing out the content liquid filled inside the inner cylinder part, and the inner cylinder part and the inner cylinder part are arranged on the through hole side inside the middle cylinder part, and the content liquid is circulated through the through hole. Comprising a spin element formed with a turning groove
Between the middle cylinder part and the outer cylinder part, a liquid path for circulating the content liquid pushed out from the through hole to the jet outlet, an air path for circulating the air pushed out from the annular gap, and the air path A syringe-type ejection container in which a junction part for joining the liquid channel is formed.   In Claim 1, an inner cylinder part has a large diameter part which incorporates a plunger, and a small diameter part which arrange | positions the small diameter part of a spin element inside, The said small diameter part is arrange | positioned inside a middle cylinder part. , Syringe-type ejection container.   The syringe-type ejection container according to claim 1 or 2, wherein an elastic valve that allows the content liquid from the inner cylinder part to pass through the spin element is disposed inside the middle cylinder part.   The syringe-type ejection container according to any one of claims 1 to 3, wherein at least one mesh is disposed between the ejection port and the merging portion.   The syringe-type ejection container according to any one of claims 1 to 4, wherein the ejection section is detachably attached to the operation section.

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